CN214536739U - Control system of antenna housing air conditioning system - Google Patents
Control system of antenna housing air conditioning system Download PDFInfo
- Publication number
- CN214536739U CN214536739U CN202120505978.9U CN202120505978U CN214536739U CN 214536739 U CN214536739 U CN 214536739U CN 202120505978 U CN202120505978 U CN 202120505978U CN 214536739 U CN214536739 U CN 214536739U
- Authority
- CN
- China
- Prior art keywords
- terminal
- air conditioning
- board
- conditioning system
- frequency conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a control system of antenna house air conditioning system, including control mainboard AP1, operating panel AP2, frequency conversion board AP3, module board AP4 to and power supply unit, signal detection part, electric drive part, control mainboard AP1 is connected with operating panel AP2, frequency conversion board AP3, and frequency conversion board AP3 is connected with module board AP 4; the power supply part introduces a three-phase live wire and a zero line and supplies power to other power utilization units, the signal detection part detects temperature data of the antenna housing air conditioning system, and the electric drive part is used for driving the air conditioning part to work. The utility model can automatically detect and control the temperature, humidity and flow velocity of the air in the antenna housing, and has the protection functions of power supply abnormity, system pressure, module overheating, overhigh exhaust temperature of the compressor, heating, freezing prevention and the like; the high-voltage direct-current frequency conversion technology is adopted, so that the antenna can work continuously and all-weather.
Description
Technical Field
The utility model relates to a radar antenna air conditioning control system field specifically is a control system of antenna house air conditioning system.
Background
The antenna housing is mainly used for protecting the radar antenna, the antenna can work continuously and uninterruptedly under various environmental conditions, the structural strength, the electric wave transmission performance and the air quality are main indexes of the antenna housing, and the ground radar antenna housing mainly uses microwave frequency bands, L, S, C, X and other wave bands.
In order to guarantee that an antenna in the radome works continuously for 24 hours all day long, a radome air conditioning system usually adopts a double-system structure form, one system is used for one system and is used for standby alternate work, when one system is abnormal, the other system is automatically switched to work, but the double systems are large in size and heavy in weight relative to the single system, and the using requirement of a small radome is not met.
The small antenna housing is usually provided with two sets of single-system air conditioning systems, the two sets of air conditioning systems work alternately one by one, the temperature, the humidity and the flow rate of air in the antenna housing are automatically adjusted, and all-weather continuous working requirements of the antenna are met.
Therefore, a control system is needed to be used, which can automatically detect and control the temperature, humidity and flow velocity of the air in the antenna housing; communicating with an upper computer, and automatically reporting the temperature, humidity and air flow rate of air in the antenna housing, and the working state and fault information of the air conditioning system; meanwhile, when one set of antenna housing air conditioning system arranged in parallel is abnormal, the upper computer can immediately start the other set of antenna housing air conditioning system to work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at remedying the defects of the prior art and providing an antenna housing air conditioning system
The control system ensures the temperature, humidity and flow rate of air in the antenna housing by an intelligent and reliable control system technology, and ensures that the antenna can work continuously and uninterruptedly under various environmental conditions.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a control system of a radome air conditioning system is characterized in that: including control mainboard AP1, operation panel AP2, frequency conversion board AP3, module board AP4 to and power supply part, signal detection part, electric drive part, wherein:
the control main board AP1 is composed of a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a relay and a connector, wherein the connector in the control main board AP1 comprises terminals with identifications 1X01 and 1X02 … 1X 23; the operation panel AP2 comprises a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a switch, a buzzer, an indicator light and a connector, wherein the connector in the operation panel AP2 comprises a terminal with a mark of 2X 01; the frequency conversion board AP3 is composed of a PCB, an SPMC75F2313A singlechip, a current detection integrated block ACS758, a resistor, a capacitor, an inductor, a crystal oscillator, a relay and a connector, wherein the connector in the frequency conversion board AP3 comprises terminals with identifications 3X01 and 3X02 … 3X 16; the module board AP4 is composed of a PCB board, a PM100CL1A060 power module, an optical coupler, a switching tube, a resistor, a capacitor and a connector, wherein the connector in the module board AP4 comprises terminals marked with 4X01 and 4X02 … 4 and 4X 06; a 1X01 terminal of the control main board AP1 is connected with a 2X01 terminal of the operation panel AP2, a 1X02 terminal of the control main board AP1 is connected with a 3X01 terminal of the frequency conversion board AP3, and 3X14, 3X15 and 3X16 terminals of the frequency conversion board AP3 are connected with 4X01, 4X02 and 4X03 terminals of the module board AP4 in a one-to-one correspondence manner;
the power supply part comprises a breaker QF01 and a filter Z, wherein the three-phase live wire input end of the breaker QF01 is connected with alternating-current three-phase live wires L1, L2 and L3, the zero line input end of the breaker QF01 is connected with an alternating-current zero line N, the three-phase live wire output end and the zero line output end of the breaker QF01 are respectively connected with the wire inlet end of the filter Z, and the wire outlet end of the filter Z is respectively connected with a three-phase live wire output line and a zero line output line; a 1X03 terminal of the control main board AP1 is connected with one phase live wire output line, and a 1X04 terminal of the control main board AP1 is connected with a zero line output line; the 3X11 terminal, the 3X12 terminal and the 3X13 terminal of the frequency conversion board AP3 are connected with a three-phase live wire output line in a one-to-one correspondence mode;
the module board AP4 has 4X04 terminals, 4X05 terminals and 4X06 terminals which are connected with U terminals, V terminals and W terminals of a compressor MC1 in an antenna housing air conditioning system in a one-to-one correspondence mode, a reactor L is connected between a 3X02 terminal and a 3X03 terminal of the frequency conversion board AP3, and a 3X06 terminal, a 3X07 terminal, a 3X08 terminal, a 3X09 terminal and a 3X10 terminal of the frequency conversion board AP3 are connected with a three-phase full-wave rectifier bridge U;
a 1X11 terminal, a 1X12 terminal and a 1X13 terminal of the control mainboard AP1 are respectively connected with a three-phase input end of a fan MF1 configured in a condenser of the antenna housing air conditioning system, a zero line end of the fan MF1 is connected with a zero line output line, and the outer wall of the fan MF1 is further connected with the zero line output line through a capacitor C;
the signal detection part comprises an air return temperature and humidity sensor MI1 arranged at an air return opening of a radome air conditioning system, an air outlet temperature and humidity sensor MI2 arranged at an air outlet of the radome air conditioning system, an environment temperature and humidity sensor MI3 arranged inside a radome, an air speed sensor FS arranged at an air outlet of the radome air conditioning system, a coil temperature sensor RT1 arranged at an evaporator coil in the radome air conditioning system, a temperature sensor RT2 arranged outside the radome and an exhaust temperature sensor RT3 arranged at an exhaust opening of a compressor in the radome air conditioning system, the air return temperature and humidity sensor MI1 is connected to a 1X21 terminal of a control main board AP1, the air outlet temperature and humidity sensor MI2 is connected to a 1X22 terminal of the control main board AP1, the environment temperature and humidity sensor MI3 is connected to a 1X23 terminal of the control main board AP1, and the air speed sensor FS is connected to a 1X10 terminal of the control main board AP1, a coil temperature sensor RT1 is connected to a 1X20 terminal of a control main board AP1, a temperature sensor RT2 is connected to a 3X04 terminal of a frequency conversion board AP3, and an exhaust temperature sensor RT3 is connected to a 3X05 terminal of a frequency conversion board AP 3;
the electric driving part comprises an alternating current contactor KM01 and an alternating current contactor KM02, one end of a coil of the alternating current contactor KM01 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM01 is connected with a 1X05 terminal of the control main board AP1, a resistance-capacitance element ZR1 is connected in parallel with the coil of the alternating current contactor KM01, one end of the coil of the alternating current contactor KM02 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM02 is connected with a 1X06 terminal of the control main board AP1, and a resistance-capacitance element ZR2 is connected in parallel with the coil of the alternating current contactor KM 02; the input end of a main contact KM01.1 of an alternating current contactor KM01 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM01.1 of the alternating current contactor KM01 is connected with a heater EH1 arranged in the antenna housing; the input end of a main contact KM02.1 of an alternating current contactor KM02 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM02.1 of the alternating current contactor KM02 is connected with the three-phase input end of a fan MF2 configured in an evaporator in the antenna housing air conditioning system through a thermal overload relay FR 01; the 1X08 terminal of the control mainboard AP1 is also connected with one end of a crank heating belt EH2 in the antenna cover, and the other end of the crank heating belt EH2 is connected with the zero line output line.
The control system of the antenna housing air conditioning system is characterized in that: the 1X15 terminal of control mainboard AP1 is connected with low pressure switch PSL through the return circuit, low pressure switch PSL intercommunication is installed in the pipeline between compressor, the evaporimeter in the antenna house air conditioning system.
The control system of the antenna housing air conditioning system is characterized in that: the 1X16 terminal of the control main board AP1 is connected with a fuse FU1 and a temperature relay ST1 through a loop.
The control system of the antenna housing air conditioning system is characterized in that: the 1X07 terminal of control mainboard AP1 still is connected with the new trend valve DF1 one end that sets up in the new trend entry of antenna house air conditioning system, and the new trend valve DF1 other end is connected zero line output line.
The control system of the antenna housing air conditioning system is characterized in that: the three-phase power line control system further comprises a phase sequence protector KV01, a coil of the phase sequence protector KV01 is connected with the three-phase power line output line, and a contact KV01.1 of the phase sequence protector KV01 is connected to a 1X14 terminal of the control main board AP 1.
The control system of the antenna housing air conditioning system is characterized in that: and a 1X09 terminal of the control mainboard AP1 is connected with a CAN communication bus.
The utility model comprises a control mainboard AP1, an operation panel AP2, a frequency conversion board AP3, a module board AP4 and the like, which is the core of the control system and mainly completes the functions of temperature, humidity, wind speed, information acquisition such as system pressure, compressor current and the like, signal receiving, operation execution, I/O instruction sending, information reporting and the like; the operation panel mainly completes operations such as power on/off, working state, temperature and humidity setting and the like, and displays working and state information and the like.
The power supply part comprises a breaker QF01 and a filter Z, the three-phase alternating current 380V/50Hz power supply voltage passes through the breaker QF01 and the filter Z and then is connected to the controller and the electric drive part, and a phase sequence protector KV01 is further arranged and used for detecting the power supply.
The signal detection element comprises a return air temperature and humidity sensor MI1 for detecting the temperature and humidity of a return air inlet of the air conditioning system, an outlet air temperature and humidity sensor MI2 for detecting the temperature and humidity of an air outlet, a temperature and humidity sensor MI3 for detecting the temperature and humidity of the interior of the antenna housing, an air speed sensor FS for detecting the air speed of the air outlet, a coil temperature sensor RT1 for detecting the temperature of a coil of an evaporator, a temperature sensor RT2 for detecting the ambient temperature of the exterior of the antenna housing, an exhaust temperature sensor RT3 for detecting the temperature of a compressor, and a current transformer arranged in a frequency conversion board AP3, wherein the temperature, humidity and air speed signals are received by a control main board AP1, the ambient temperature signal of the exterior of the antenna housing and the exhaust temperature signal of the direct-current frequency conversion compressor are received by the frequency conversion board AP3, and the current transformer arranged in the frequency conversion board AP3 is used for collecting the current signal of the compressor.
The electric driving part comprises an alternating current contactor KM01 and an alternating current contactor KM02 and is used for driving a fan of the electric heating pipe and evaporator configuration to work. The coils of the alternating current contactor KM01 and the alternating current contactor KM02 are respectively connected with a resistance-capacitance element in an inverse parallel mode and used for releasing inductive electromotive force generated when the coils are powered off.
The utility model also comprises an evaporator temperature detection device, when the surface temperature of the evaporator reaches 55 ℃, the first-level protection element temperature relay ST1 is disconnected, and the electric heating power supply is cut off; when the surface temperature of the evaporator reaches 105 ℃, the second-stage protection element temperature fuse FU1 fuses, and the electric heating power supply voltage is cut off again; when the coil temperature sensor RT1 detects the temperature of the evaporator coil, the refrigeration operation is stopped when the temperature of the evaporator is lower than-5 ℃, the frosting of the evaporator is prevented, the air quantity of an air outlet is reduced, the refrigeration effect is poor, and the refrigeration is recovered when the temperature of the coil is higher than 5 ℃.
The utility model discloses still include refrigeration low pressure protection switch PSL, when reasons such as refrigerant leakage caused system pressure to cross lowly, stop the refrigeration operation, centrifugal fan continues the operation.
The utility model reports the temperature, humidity, air flow rate of the air of the radome, the working state of the air conditioning system and fault information through the CAN bus and the upper computer communication device; when one set of antenna housing air conditioning system arranged in parallel is abnormal, the upper computer automatically starts the other set of antenna housing air conditioning system to work.
The utility model has the advantages that:
1. the utility model discloses temperature, humidity and the velocity of flow of air in can the automatic control antenna house satisfy the all-weather uninterrupted work demand of antenna.
2. The utility model is communicated with an upper computer and reports the temperature, the humidity and the air flow rate of the air in the antenna housing, the working state of the air conditioning system and fault information; when one set of antenna housing air conditioning system arranged in parallel is abnormal, the upper computer automatically starts the other set of antenna housing air conditioning system to work.
3. The utility model has high automation degree, one-key starting, automatic analysis, judgment, ventilation, refrigeration, heating, dehumidification and other functions; the power supply condition of a power supply, the pressure of a refrigerating system, the exhaust temperature of a compressor, the working current and other parameters are monitored in real time, the rotating speed of the compressor is automatically adjusted, and the cold quantity adjustment under the full working condition is realized.
4. The utility model discloses a high voltage direct current frequency conversion technique, starting current is little, and is energy-conserving, efficient, and no eddy current loss is more energy-conserving when having ac frequency conversion advantage concurrently.
Drawings
Fig. 1 is a schematic diagram of a radome air conditioning system.
Fig. 2 is the whole schematic diagram of the structure of the middle power supply part, the electric driving part, the frequency conversion plate and the module plate of the utility model.
Fig. 3 is a schematic diagram of the structure of the control main board of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, antenna house air conditioning system include compressor MC1, compressor MC 1's exit end and condenser 1's entrance connection, this condenser 1 disposes fan MF1, fan MF1 is centrifugal fan, condenser 1's exit end passes through throttling arrangement 2, valve 3 and 4 entrance connections of evaporimeter, this evaporimeter 4 disposes fan MF2, fan MF2 is axial fan, 4 exit ends of evaporimeter and compressor MC 1's entrance connection, low pressure protection switch PSL intercommunication is installed in pipeline between compressor MC1 and the evaporimeter 4.
As shown in fig. 2 and fig. 3, the utility model discloses antenna house air conditioning system's control system, including control mainboard AP1, operating panel AP2, converter board AP3, module board AP4 to and power supply unit, signal detection part, electric drive part, wherein:
the control main board AP1 is composed of a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a relay and a connector, wherein the connector in the control main board AP1 comprises terminals with identifications 1X01 and 1X02 … 1X 23; the operation panel AP2 comprises a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a switch, a buzzer, an indicator light and a connector, wherein the connector in the operation panel AP2 comprises a terminal with a mark of 2X 01; the frequency conversion board AP3 is composed of a PCB, an SPMC75F2313A singlechip, a current detection integrated block ACS758, a resistor, a capacitor, an inductor, a crystal oscillator, a relay and a connector, wherein the connector in the frequency conversion board AP3 comprises terminals with identifications 3X01 and 3X02 … 3X 16; the module board AP4 is composed of a PCB board, a PM100CL1A060 power module, an optical coupler, a switching tube, a resistor, a capacitor and a connector, wherein the connector in the module board AP4 comprises terminals marked with 4X01 and 4X02 … 4 and 4X 06; a 1X01 terminal of the control main board AP1 is connected with a 2X01 terminal of the operation panel AP2, a 1X02 terminal of the control main board AP1 is connected with a 3X01 terminal of the frequency conversion board AP3, and 3X14, 3X15 and 3X16 terminals of the frequency conversion board AP3 are connected with 4X01, 4X02 and 4X03 terminals of the module board AP4 in a one-to-one correspondence manner;
the power supply part comprises a breaker QF01 and a filter Z, wherein the three-phase live wire input end of the breaker QF01 is connected with alternating-current three-phase live wires L1, L2 and L3, the zero line input end of the breaker QF01 is connected with an alternating-current zero line N, the three-phase live wire output end and the zero line output end of the breaker QF01 are respectively connected with the wire inlet end of the filter Z, and the wire outlet end of the filter Z is respectively connected with a three-phase live wire output line and a zero line output line; a 1X03 terminal of the control main board AP1 is connected with one phase live wire output line, and a 1X04 terminal of the control main board AP1 is connected with a zero line output line; the 3X11 terminal, the 3X12 terminal and the 3X13 terminal of the frequency conversion board AP3 are connected with a three-phase live wire output line in a one-to-one correspondence mode;
the module board AP4 has 4X04 terminals, 4X05 terminals and 4X06 terminals which are connected with U terminals, V terminals and W terminals of a compressor MC1 in an antenna housing air conditioning system in a one-to-one correspondence mode, a reactor L is connected between a 3X02 terminal and a 3X03 terminal of the frequency conversion board AP3, and a 3X06 terminal, a 3X07 terminal, a 3X08 terminal, a 3X09 terminal and a 3X10 terminal of the frequency conversion board AP3 are connected with a three-phase full-wave rectifier bridge U;
a 1X11 terminal, a 1X12 terminal and a 1X13 terminal of the control mainboard AP1 are respectively connected with a three-phase input end of a fan MF1 configured in a condenser of the antenna housing air conditioning system, a zero line end of the fan MF1 is connected with a zero line output line, and the outer wall of the fan MF1 is further connected with the zero line output line through a capacitor C;
the signal detection part comprises a return air temperature and humidity sensor MI1 arranged at a return air inlet of the radome air conditioning system (on one side of the evaporator 4 in figure 1), an outlet air temperature and humidity sensor MI2 arranged at an outlet of the radome air conditioning system (on the other side of the evaporator 4 in figure 1), an ambient temperature and humidity sensor MI3 arranged inside the radome (in the area where the condenser is arranged in figure 1), an air speed sensor FS arranged at an outlet of the radome air conditioning system (on the other side of the evaporator 4 in figure 1), a coil temperature sensor RT1 arranged at a coil of the evaporator in the radome air conditioning system (in the position of the coil of the evaporator 4 in figure 1), a temperature sensor RT2 arranged outside the radome (in the area where a pipeline between the compressor MC1 and the condenser 1 in figure 1) and an exhaust temperature sensor RT3 arranged at an exhaust of a compressor in the radome air conditioning system, the air return temperature and humidity sensor MI1 is connected to a 1X21 terminal of the control main board AP1, the air outlet temperature and humidity sensor MI2 is connected to a 1X22 terminal of the control main board AP1, the environment temperature and humidity sensor MI3 is connected to a 1X23 terminal of the control main board AP1, the air speed sensor FS is connected to a 1X10 terminal of the control main board AP1, the coil pipe temperature sensor RT1 is connected to a 1X20 terminal of the control main board AP1, the temperature sensor RT2 is connected to a 3X04 terminal of the frequency conversion board AP3, and the exhaust temperature sensor RT3 is connected to a 3X05 terminal of the frequency conversion board AP 3;
the electric driving part comprises an alternating current contactor KM01 and an alternating current contactor KM02, one end of a coil of the alternating current contactor KM01 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM01 is connected with a 1X05 terminal of the control main board AP1, a resistance-capacitance element ZR1 is connected in parallel with the coil of the alternating current contactor KM01, one end of the coil of the alternating current contactor KM02 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM02 is connected with a 1X06 terminal of the control main board AP1, and a resistance-capacitance element ZR2 is connected in parallel with the coil of the alternating current contactor KM 02; the input end of a main contact KM01.1 of an alternating current contactor KM01 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM01.1 of the alternating current contactor KM01 is connected with a heater EH1 arranged in the antenna housing; the input end of a main contact KM02.1 of an alternating current contactor KM02 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM02.1 of the alternating current contactor KM02 is connected with the three-phase input end of a fan MF2 configured in an evaporator in the antenna housing air conditioning system through a thermal overload relay FR 01; the 1X08 terminal of the control mainboard AP1 is also connected with one end of a crank heating belt EH2 in the antenna cover, and the other end of the crank heating belt EH2 is connected with the zero line output line.
The 1X15 terminal of control mainboard AP1 is connected with low pressure switch PSL through the return circuit, low pressure switch PSL intercommunication is installed in the pipeline between compressor, the evaporimeter in the antenna house air conditioning system.
The 1X16 terminal of the control main board AP1 is connected to a fuse FU1 and a temperature relay ST1 through a circuit.
The 1X07 terminal of control mainboard AP1 still is connected with the new trend valve DF1 one end that sets up new trend entry in antenna house air conditioning system, and the new trend valve DF1 other end is connected zero line output line.
The utility model discloses still include phase sequence protector KV01, phase sequence protector KV 01's coil connection three-phase live wire output line, phase sequence protector KV 01's contact KV01.1 inserts control mainboard AP 1's 1X14 terminal.
The 1X09 terminal of the control board AP1 is connected to a CAN communication bus.
In the utility model, the control main board AP1 is composed of a PCB board, a PIC16C73B single chip microcomputer, a resistor, a capacitor, a crystal oscillator, a relay, a connector and the like, wherein the connector comprises terminals with identifications 1X01 and 1X02 … 1X 23; the output end of the filter is connected with a 1X03 terminal and a 1X04 terminal of the control main board AP1, and the control main board AP1 inputs alternating current to 220V voltage through a 1X03 terminal and a 1X04 terminal for power supply.
The operation panel AP2 comprises a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a switch, a buzzer, an indicator light, a connector and the like, wherein the connector comprises a terminal with a mark of 2X 01; the 2X01 terminal of the operation board AP2 is connected to the 1X01 terminal of the control main board AP 1.
The frequency conversion board AP3 is composed of a PCB, an SPMC75F2313A singlechip, a current detection integrated block ACS758, a resistor, a capacitor, an inductor, a crystal oscillator, a relay, a connector and the like, wherein the connector comprises terminals with identifications 3X01 and 3X02 … 3X 16; the module board AP4 is composed of a PCB board, a PM100CL1A060 power module, an optical coupler, a switch tube, a resistor, a capacitor, a connector and the like, wherein the connector comprises terminals with identifications 4X01, 4X02 … 4 and 4X 06; the 3X01 terminal of the frequency conversion board AP3 is connected with the 1X02 terminal of the control main board AP1, the 3X14 terminal, the 3X15 terminal and the 3X16 terminal of the frequency conversion board AP3 are respectively connected with the 4X01 terminal, the 4X02 terminal and the 4X03 terminal of the module board AP4, the 3X11 terminal, the 3X12 terminal and the 3X13 terminal of the frequency conversion board AP3 are connected with the outlet terminal of the filter Z, the 4X04 terminal, the 4X05 terminal and the 4X06 terminal of the module board AP4 are respectively connected with the U terminal, the V terminal and the W terminal of the DC frequency conversion compressor MC, and the frequency conversion board AP3 and the module board AP4, together with the three-phase full-wave rectifier bridge U and the reactor L, convert the three-phase AC 380V//50Hz power supply voltage into the high-voltage DC frequency conversion compressor MC1 for driving the DC frequency conversion compressor to work.
The power supply combination comprises a breaker QF01 and a filter Z, wherein the wire inlet end of the breaker QF01 is externally connected with a three-phase alternating current 380V/50Hz power supply, the wire outlet end of the breaker QF01 is connected with the input end of the filter Z, the wire outlet end of the filter Z is connected with the wire inlet ends of an alternating current contactor KM01 and an alternating current contactor KM02 in the electric drive part, and the wire outlet ends are connected with the three-phase input end of a phase sequence detection element KV01 in a same phase sequence, so that the power supply quality of the power supply is guaranteed.
The signal detection element comprises a return air temperature and humidity sensor MI1 for detecting the temperature and humidity of a return air inlet of the air conditioning system, an outlet air temperature and humidity sensor MI2 for detecting the temperature and humidity of an air outlet, a temperature and humidity sensor MI3 for detecting the temperature and humidity of the inside of the antenna housing, an air speed sensor FS for detecting the air speed of the air outlet, a coil temperature sensor RT1 for detecting the temperature of an evaporator coil, a temperature sensor RT2 for detecting the ambient temperature of the outside of the antenna housing, an exhaust temperature sensor RT3 for detecting the temperature of a compressor, and a current transformer arranged in a frequency conversion board AP 3. The air return temperature and humidity sensor MI1, the air outlet temperature and humidity sensor MI2, the environment temperature and humidity sensor MI3 in the antenna housing, the wind speed sensor FS and the coil pipe temperature sensor RT1 are respectively connected to a 1X21 terminal, a 1X22 terminal, a 1X23 terminal, a 1X10 terminal and a 1X20 terminal of the control main board AP1, the environment temperature sensor RT2 outside the antenna housing is connected to a 3X04 terminal of the frequency conversion board AP3, the compressor exhaust temperature sensor RT3 is connected to a 3X05 terminal of the frequency conversion board AP3, the temperature, humidity and wind speed signals are received by the control main board AP1, the environment temperature signals outside the antenna housing and the exhaust temperature signals of the direct current frequency conversion compressor are received by the frequency conversion board AP3, and the current signal of the compressor is collected by a current transformer arranged in the frequency conversion board AP 3.
The output end of a main contact KM01.1 of an alternating current contactor KM01 is respectively connected to the input end of an electric heating pipe EH1, the output end of a main contact KM02.1 of the alternating current contactor KM02 is respectively connected to an axial flow fan MF2 through a thermal overload relay FR01, a fresh air valve DF1 is connected to a 1X07 terminal of a control main board AP1, and a crank heating belt EH2 is connected to a 1X08 terminal of a control main board AP 1.
The coil of the alternating current contactor KM01 is connected with the resistance-capacitance element ZR1 in an inverse parallel mode, and the coil of the alternating current contactor KM02 is connected with the resistance-capacitance element ZR2 in an inverse parallel mode, and is used for releasing the inductive electromotive force generated when the coil is powered off.
The three-phase full-wave rectifier bridge U is provided with three parallel branches, each parallel branch is formed by connecting two diodes in series in the same direction, the negative ends of the three parallel branches are connected with the 3X09 terminal of the frequency conversion board AP3 after being connected in common, the positive ends of the three parallel branches are connected with the 3X10 terminal of the frequency conversion board AP3 after being connected in common, and the 3X06 terminal, the 3X07 terminal and the 3X08 terminal of the frequency conversion board AP3 are connected between the two diodes in the three parallel branches in a one-to-one correspondence mode.
The utility model discloses still include with host computer communication device, the transmission signal of CAN communication inserts each signal point of 1X09 terminal of control mainboard AP1 respectively.
The utility model also comprises a fault detection device, wherein the phase sequence protector KV01 of the power phase sequence detection device is connected to the 1X14 terminal of the control mainboard AP 1; the system pressure detection device low-pressure switch PSL is connected to a 1X15 terminal of the control mainboard AP 1; the evaporator temperature detection device, a temperature relay ST1 and a temperature fuse FU1 are connected in series to be connected to 1X16 of a control main board AP1, and an anti-freezing detection device coil temperature sensor RT1 is connected to 1X20 of the control main board AP 1.
In the utility model, each temperature sensor adopts NTC thermistor, and the NTC thermistor has coil pipe temperature sensor RT1 (water drop, 25 ℃, 10K, B value 3950), external environment temperature sensor RT2 (water drop, 25 ℃, 10K, B value 3950), compressor exhaust temperature sensor RT3 (copper shell, 25 ℃, 50K, B value 4050), and coil pipe temperature sensor RT1 is connected with sampling circuit on the control mainboard AP 1; and an external environment temperature sensor RT2 and a compressor exhaust temperature sensor RT3 are connected with an up-sampling circuit of the frequency conversion board AP 3. The temperature and humidity sensors MI1, MI2, MI3 and the wind speed sensor FS are connected with the sampling circuit on the control main board AP1,
the model of the low-pressure switch is XYK-0.05, the pressure in the refrigerating system is lower than 0.05MPa, the metal sheet in the low-pressure switch moves, the switch contact is pulled to be disconnected through the connecting guide rod, and the low-pressure switch is recovered to be connected when the pressure in the refrigerating system rises to 0.2 MPa.
In the utility model, the control mainboard AP1 monitors the power supply condition of the three-phase alternating current 380V//50Hz power supply in real time, when the power supply is out of phase or in reverse phase, the power supply abnormal indicator lamp on the operation board AP2 is on, and the antenna housing air conditioning system is in a standby state; when the power supply is normal, the upper computer is started up through CAN communication or through the operation panel AP2, and data communication is carried out between the control mainboard AP1 and the operation panel AP 2.
The utility model discloses in, control mainboard AP1 is through temperature, humidity and wind speed information in return air temperature and humidity sensor MI1, air-out temperature and humidity sensor MI2, the cover internal environment temperature and humidity sensor MI3 and the wind speed sensor FS sampling radome to the host computer is reported to the CAN communication.
The control main board AP1 automatically controls the air conditioner to perform ventilation, refrigeration, heating and dehumidification according to the difference between the sampling value T2 of the external environment temperature sensor RT2, the sampling value T of the return air temperature and humidity sensor MI1 and the target temperature T0 set on the operation board AP 2.
When the external environment T2 is more than or equal to 5 ℃, refrigerating:
when T is more than or equal to T0+6 ℃, high wind refrigeration is performed;
when T is more than or equal to T0+4 ℃, refrigerating for stroke;
when T is more than or equal to T0+2 ℃, low-wind refrigeration is performed;
when T is less than or equal to 15 ℃, refrigeration is not carried out.
Fresh air is blown when the external environment T2 is less than 5 ℃;
when T is more than or equal to T0+1 ℃, fresh air is exchanged, a fresh air valve works, and an inner fan works at a high speed;
when T is less than or equal to T0-1 ℃, stopping fresh air and switching to ventilation;
thirdly, when the temperature T is more than or equal to T0 and 1 ℃ at the temperature of T0-1 ℃, ventilation and low wind are carried out;
fourthly, heating when the external environment T2 is less than 0 ℃;
when T is less than or equal to T0-3 ℃, heating and stroke are performed;
stopping heating when T is more than or equal to T0 ℃;
when T is more than or equal to 5 ℃, heating is not performed.
The utility model discloses in, control mainboard AP1 adjusts direct current variable frequency compressor's rotational speed according to the difference in temperature change rate (d DeltaT/dt = difference in temperature change rate) together with inverter board AP3, module board AP 4.
When the delta T is more than or equal to 7 ℃, the press operates at the allowed highest frequency fn (the maximum limit power is reached),
when the delta T is less than 7 ℃, the running frequency of the compressor begins to decrease,
the descending rule of the above frequency is: when the frequency begins to decline, the frequency begins to decline at a speed of 133 rpm per minute, and meanwhile, fuzzy judgment and operation are carried out according to a change curve of the change rate d delta T/dt of the temperature difference to the time T, so that the currently required optimal working rotating speed and the current rotating speed decline rate are obtained.
In the utility model, the external environment temperature sensor RT2 samples the external environment temperature of the antenna housing, and when the sampled temperature is lower than 10 ℃, the heater EH2 works; after the compressor is started, the heater EH2 stops working, and low-temperature refrigeration liquid impact of the compressor is avoided.
The utility model discloses in, be equipped with solitary dehumidification function key on the operation panel AP2, CAN dehumidify the function and set for to CAN upload through the CAN communication, low wind refrigeration 10 minutes earlier during the dehumidification, then stop the refrigeration, low wind operation 6 minutes, with this circulation.
The utility model discloses in, protect function including power abnormal protection, system pressure protection, module overheat protection, the too high protection of compressor exhaust temperature, heat protection and function such as protection of preventing frostbite. When the power supply is in abnormal protection, the power supply is in phase failure or in reverse phase, the 1X14 terminal interface circuit on the control main board AP1 is disconnected, the power supply abnormal indicator lamp on the operation board AP2 is on, and the antenna housing air conditioning system is in a standby state; when the system pressure is abnormal, the interface circuit of the 1X15 terminal on the main board AP1 is controlled to be disconnected, the 1X02 terminal stops outputting a refrigeration signal, the 4X04 terminal, the 4X05 terminal and the 4X06 terminal on the module board AP4 do not have voltage output, the direct-current variable-frequency compressor MC stops working, the protection indicator lamp on the operation board AP2 is on, when the pressure of the refrigeration system returns to normal, the interface circuit of the 1X15 terminal is closed, and the air conditioner automatically returns to refrigeration; during refrigeration, when the exhaust temperature of the compressor exceeds 120 ℃, the compressor stops working, automatically recovers after 3 minutes, and the outer fan always supplies air normally. In order to more intuitively display the air conditioner protection alarm state, a fault code is digitally displayed on the operation panel AP 2. E0: communication failure, E1: reverse phase loss of ac power supply, E2: system pressure anomaly, E3: heating protection, E4: temperature and humidity sensor damage, E5: wind speed sensor damage, E6: compressor discharge temperature greater than 120 ℃, E7: compressor cooling current abnormality, E8: module overheat protection, E9: the sensor is damaged.
The utility model discloses in, single chip microcomputer model PIC16C73B of control mainboard AP1 and operation panel AP2, control software adopt assembly language, and software development instrument is MICROCHIP MPASM V02.30.11, and software development environment is the PC, and operating system is version more than Windows XP.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (6)
1. A control system of a radome air conditioning system is characterized in that: including control mainboard AP1, operation panel AP2, frequency conversion board AP3, module board AP4 to and power supply part, signal detection part, electric drive part, wherein:
the control main board AP1 is composed of a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a relay and a connector, wherein the connector in the control main board AP1 comprises terminals with identifications 1X01 and 1X02 … 1X 23; the operation panel AP2 comprises a PCB, a PIC16C73B singlechip, a resistor, a capacitor, a crystal oscillator, a switch, a buzzer, an indicator light and a connector, wherein the connector in the operation panel AP2 comprises a terminal with a mark of 2X 01; the frequency conversion board AP3 is composed of a PCB, an SPMC75F2313A singlechip, a current detection integrated block ACS758, a resistor, a capacitor, an inductor, a crystal oscillator, a relay and a connector, wherein the connector in the frequency conversion board AP3 comprises terminals with identifications 3X01 and 3X02 … 3X 16; the module board AP4 is composed of a PCB board, a PM100CL1A060 power module, an optical coupler, a switching tube, a resistor, a capacitor and a connector, wherein the connector in the module board AP4 comprises terminals marked with 4X01 and 4X02 … 4 and 4X 06; a 1X01 terminal of the control main board AP1 is connected with a 2X01 terminal of the operation panel AP2, a 1X02 terminal of the control main board AP1 is connected with a 3X01 terminal of the frequency conversion board AP3, and 3X14, 3X15 and 3X16 terminals of the frequency conversion board AP3 are connected with 4X01, 4X02 and 4X03 terminals of the module board AP4 in a one-to-one correspondence manner;
the power supply part comprises a breaker QF01 and a filter Z, wherein the three-phase live wire input end of the breaker QF01 is connected with alternating-current three-phase live wires L1, L2 and L3, the zero line input end of the breaker QF01 is connected with an alternating-current zero line N, the three-phase live wire output end and the zero line output end of the breaker QF01 are respectively connected with the wire inlet end of the filter Z, and the wire outlet end of the filter Z is respectively connected with a three-phase live wire output line and a zero line output line; a 1X03 terminal of the control main board AP1 is connected with one phase live wire output line, and a 1X04 terminal of the control main board AP1 is connected with a zero line output line; the 3X11 terminal, the 3X12 terminal and the 3X13 terminal of the frequency conversion board AP3 are connected with a three-phase live wire output line in a one-to-one correspondence mode;
the module board AP4 has 4X04 terminals, 4X05 terminals and 4X06 terminals which are connected with U terminals, V terminals and W terminals of a compressor MC1 in an antenna housing air conditioning system in a one-to-one correspondence mode, a reactor L is connected between a 3X02 terminal and a 3X03 terminal of the frequency conversion board AP3, and a 3X06 terminal, a 3X07 terminal, a 3X08 terminal, a 3X09 terminal and a 3X10 terminal of the frequency conversion board AP3 are connected with a three-phase full-wave rectifier bridge U;
a 1X11 terminal, a 1X12 terminal and a 1X13 terminal of the control mainboard AP1 are respectively connected with a three-phase input end of a fan MF1 configured in a condenser of the antenna housing air conditioning system, a zero line end of the fan MF1 is connected with a zero line output line, and the outer wall of the fan MF1 is further connected with the zero line output line through a capacitor C;
the signal detection part comprises an air return temperature and humidity sensor MI1 arranged at an air return opening of a radome air conditioning system, an air outlet temperature and humidity sensor MI2 arranged at an air outlet of the radome air conditioning system, an environment temperature and humidity sensor MI3 arranged inside a radome, an air speed sensor FS arranged at an air outlet of the radome air conditioning system, a coil temperature sensor RT1 arranged at an evaporator coil in the radome air conditioning system, a temperature sensor RT2 arranged outside the radome and an exhaust temperature sensor RT3 arranged at an exhaust opening of a compressor in the radome air conditioning system, the air return temperature and humidity sensor MI1 is connected to a 1X21 terminal of a control main board AP1, the air outlet temperature and humidity sensor MI2 is connected to a 1X22 terminal of the control main board AP1, the environment temperature and humidity sensor MI3 is connected to a 1X23 terminal of the control main board AP1, and the air speed sensor FS is connected to a 1X10 terminal of the control main board AP1, a coil temperature sensor RT1 is connected to a 1X20 terminal of a control main board AP1, a temperature sensor RT2 is connected to a 3X04 terminal of a frequency conversion board AP3, and an exhaust temperature sensor RT3 is connected to a 3X05 terminal of a frequency conversion board AP 3;
the electric driving part comprises an alternating current contactor KM01 and an alternating current contactor KM02, one end of a coil of the alternating current contactor KM01 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM01 is connected with a 1X05 terminal of the control main board AP1, a resistance-capacitance element ZR1 is connected in parallel with the coil of the alternating current contactor KM01, one end of the coil of the alternating current contactor KM02 is connected with the neutral line output line, the other end of the coil of the alternating current contactor KM02 is connected with a 1X06 terminal of the control main board AP1, and a resistance-capacitance element ZR2 is connected in parallel with the coil of the alternating current contactor KM 02; the input end of a main contact KM01.1 of an alternating current contactor KM01 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM01.1 of the alternating current contactor KM01 is connected with a heater EH1 arranged in the antenna housing; the input end of a main contact KM02.1 of an alternating current contactor KM02 is respectively connected with the three-phase live wire output line, and the output end of the main contact KM02.1 of the alternating current contactor KM02 is connected with the three-phase input end of a fan MF2 configured in an evaporator in the antenna housing air conditioning system through a thermal overload relay FR 01; the 1X08 terminal of the control mainboard AP1 is also connected with one end of a crank heating belt EH2 in the antenna cover, and the other end of the crank heating belt EH2 is connected with the zero line output line.
2. The control system of a radome air conditioning system of claim 1, wherein: the 1X15 terminal of control mainboard AP1 is connected with low pressure switch PSL through the return circuit, low pressure switch PSL intercommunication is installed in the pipeline between compressor, the evaporimeter in the antenna house air conditioning system.
3. The control system of a radome air conditioning system of claim 1, wherein: the 1X16 terminal of the control main board AP1 is connected with a fuse FU1 and a temperature relay ST1 through a loop.
4. The control system of a radome air conditioning system of claim 1, wherein: the 1X07 terminal of control mainboard AP1 still is connected with the new trend valve DF1 one end that sets up in the new trend entry of antenna house air conditioning system, and the new trend valve DF1 other end is connected zero line output line.
5. The control system of a radome air conditioning system of claim 1, wherein: the three-phase power line control system further comprises a phase sequence protector KV01, a coil of the phase sequence protector KV01 is connected with the three-phase power line output line, and a contact KV01.1 of the phase sequence protector KV01 is connected to a 1X14 terminal of the control main board AP 1.
6. The control system of a radome air conditioning system of claim 1, wherein: and a 1X09 terminal of the control mainboard AP1 is connected with a CAN communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505978.9U CN214536739U (en) | 2021-03-10 | 2021-03-10 | Control system of antenna housing air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505978.9U CN214536739U (en) | 2021-03-10 | 2021-03-10 | Control system of antenna housing air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214536739U true CN214536739U (en) | 2021-10-29 |
Family
ID=78262273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120505978.9U Active CN214536739U (en) | 2021-03-10 | 2021-03-10 | Control system of antenna housing air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214536739U (en) |
-
2021
- 2021-03-10 CN CN202120505978.9U patent/CN214536739U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207150405U (en) | A kind of frequency-conversion control cabinet | |
| CN101581933A (en) | Multi-heat dissipation device intelligent linkage machine room energy-saving control system | |
| CN109058080A (en) | Method and device for heating compressor by utilizing stator winding | |
| CN205823417U (en) | A kind of automobile fan control system and automobile | |
| CN108507115B (en) | Adaptive energy-saving control system and method for machine room or base station flood irrigation type air conditioner | |
| CN1455193A (en) | Digital direct-current variable frequency air conditioner controller | |
| CN206250017U (en) | A kind of transformer intelligent water cooler | |
| CN101660815B (en) | Air-conditioning system and control method thereof | |
| CN101571312A (en) | Full variable-frequency speed-adjusting cold and warm type air-conditioning system for transportation device | |
| CN107339783A (en) | Dual system air-conditioner control system | |
| CN110203040B (en) | Control system of double-system air conditioner | |
| CN207230850U (en) | Dual system air-conditioner control system | |
| CN201391972Y (en) | Whole frequency-conversion speed-regulation cool-warm air conditioner for transporting device | |
| CN107046791B (en) | A kind of ship liquid cooling multi-inverter control system | |
| CN214536739U (en) | Control system of antenna housing air conditioning system | |
| CN112856776A (en) | Control system of antenna housing air conditioning system | |
| CN208812929U (en) | The control device of low starting current air-conditioning | |
| CN211000849U (en) | Control system of double-system air conditioner | |
| CN109425072A (en) | A kind of energy-saving control system and control method | |
| CN206649335U (en) | Intelligent transformer air cooling equipment | |
| CN2636141Y (en) | Energy saving controller for monitoring and controlling operation of circulation water system of central air conditioner | |
| CN214665074U (en) | Air conditioner control system and air conditioner | |
| CN101666535B (en) | Low-temperature refrigeration control device of single-phase motor in air conditioning unit | |
| CN212274338U (en) | Magnetic suspension centrifugal water chilling unit control system | |
| CN1228589C (en) | System and method for defrosting stop feed-back |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |