CN205070589U - Multi -functional ACDC converting means - Google Patents
Multi -functional ACDC converting means Download PDFInfo
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- CN205070589U CN205070589U CN201520875846.XU CN201520875846U CN205070589U CN 205070589 U CN205070589 U CN 205070589U CN 201520875846 U CN201520875846 U CN 201520875846U CN 205070589 U CN205070589 U CN 205070589U
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Abstract
The utility model discloses a multi -functional ACDC converting means, EMC input circuit, rectification filter circuit, DCDC transform module and EMC output filter circuit connect in proper order, and the one end and the load of first relay are connected respectively to EMC output filter circuit's output, and the battery is connected to the other end of first relay, rectification filter circuit's output is connected to auxiliary electrical power source's input, and CPU is connected to the output, the second relay is connected between battery and load, and CPU, first, second relay closed or disconnection under CPU's control are still connected to the battery, CPU control DCDC transform module output voltage's size, power state information acquisition circuit and battery state information acquisition circuit gather the voltage and the electric current information of auxiliary electrical power source and battery respectively and send into CPU. This kind of ACDC converting means structural design is reasonable, and is safe in utilization, and stability is strong, and the practicality is strong.
Description
Technical field
The utility model belongs to power electronics and industrial automation, particularly the multi-functional AC/DC converting means of one.
Background technology
In recent years, along with the degree of industrial automation improves constantly, the application of DC UPS (DCUPS) is also more and more extensive.The scheme realizing uninterrupted power supply at present has a lot, but function singleness, there is various deficiency, have much room for improvement.
Utility model content
The purpose of this utility model, is to provide a kind of multi-functional AC/DC converting means, its reasonable in design, use safety, and stability is strong, practical.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of multi-functional AC/DC converting means, comprise CPU, EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module, EMC output filter circuit, accessory power supply, first relay, second relay, status display circuit, power state information Acquisition Circuit, battery status information Acquisition Circuit and dry contact lead-out terminal, wherein, EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module and EMC output filter circuit are linked in sequence, and the input of EMC input circuit connects 90V-265V interchange input, the output of EMC output filter circuit connects one end and the load of the first relay respectively, the other end of the first relay connects battery, the input of described accessory power supply connects the output of current rectifying and wave filtering circuit, and output connects CPU, described second relay is connected between battery and load, and battery also connects CPU, and the control end of first, second relay all connects CPU, under the control of cpu closed or disconnection, described DC/DC conversion module comprises DC/DC translation circuit and controller, the two ends of described DC/DC translation circuit connect current rectifying and wave filtering circuit and EMC output filter circuit respectively, and controller connects DC/DC conversion module and CPU respectively, regulate the size of DC/DC translation circuit output voltage under the control of cpu, described power state information Acquisition Circuit is for gathering the voltage and current information of accessory power supply, and send into CPU, described battery status information Acquisition Circuit is then for gathering the voltage and current information of battery, also CPU is sent into, judged the working condition of accessory power supply and battery by CPU, and state of a control display circuit carries out corresponding display, described dry contact lead-out terminal connects CPU.
The control chip of above-mentioned accessory power supply adopts FSQ100.
Controller in above-mentioned DC/DC conversion module adopts TL494.
Above-mentioned status display circuit is made up of the LED of 4 different colours, points out whether accessory power supply normally works, whether battery charges respectively, whether battery charging be full of and battery whether reversal connection according to its light on and off.
Above-mentioned dry contact lead-out terminal adopts 4 relays, and fault, cell voltage are too low, input AC fault and cell activation to point out accessory power supply to export respectively.
Above-mentioned load refers to Feeder Terminal Unit, switching station terminal equipment or distribution transformer terminals equipment.
After employing such scheme, input voltage, when there being interchange input, can be carried out treatment and supplied load by the utility model, and carries out segmented charging to battery, and battery-powered to load when the load, and restores electricity after overload fault elimination; Being that CPU powers when exchanging input fault by battery, realizing uninterrupted power supply, and providing dry contact lead-out terminal to report to the police.The utility model decoration structure features simple design is reasonable, and have that power work state shows, cell anti-reverse connects, can be with the functions such as multiple load, and it is little to have volume, safety, stable feature, user also conveniently can understand the operating state of converter, practical, can be widely used for electric power automation of distributive net system, electric intelligent case becomes, ring main unit and other need the occasion of uninterrupted direct current (DC) power supply.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is external block diagram of the present utility model;
Fig. 3 is the schematic diagram of DC/DC conversion module in the utility model;
Fig. 4 is the schematic diagram of dry contact lead-out terminal in the utility model;
Fig. 5 is the schematic diagram of status display circuit in the utility model;
Fig. 6 is the schematic diagram of cell anti-reverse connection circuit in the utility model.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
As shown in Figure 1, the utility model provides a kind of multi-functional AC/DC converting means, comprise CPU, EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module, EMC output filter circuit, accessory power supply, the first relay, the second relay, status display circuit, power state information Acquisition Circuit, battery status information Acquisition Circuit and dry contact lead-out terminal, introduce respectively below.
Described EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module and EMC output filter circuit are linked in sequence, and the input of EMC input circuit connects 90V-265V interchange input, the output of EMC output filter circuit connects one end of the first relay, and load can be connected simultaneously, in normal operation, AC-input voltage, successively through the process of EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module and EMC output filter circuit, produces direct voltage supply load.This is known technology, repeats no more.
The input of described accessory power supply connects the output of current rectifying and wave filtering circuit, and output connects CPU, when there being interchange input for CPU powers, can maintain the operation of whole device.In the present embodiment, accessory power supply adopts the topological structure of inverse-excitation type, and control chip adopts FSQ100.
The other end of described first relay connects the input of battery, and the output of battery connects one end and the CPU of the second relay respectively, the other end of the second relay is for connecting load, and the control end of first, second relay described all connects CPU, under the control of cpu closed or disconnection.
Described DC/DC conversion module comprises DC/DC translation circuit and controller, the two ends of described DC/DC translation circuit connect current rectifying and wave filtering circuit and EMC output filter circuit respectively, and controller connects DC/DC conversion module and CPU respectively, regulate the size of DC/DC translation circuit output voltage under the control of cpu.In the present embodiment, coordinate shown in Fig. 3, DC/DC translation circuit adopts the topological structure of half-bridge, and controller adopts TL494, can realize Width funtion and export, and then realizes the segmented charging of battery.
Described power state information Acquisition Circuit is for gathering the voltage and current information of accessory power supply, and send into CPU, described battery status information Acquisition Circuit is then for gathering the voltage and current information of battery, also CPU is sent into, judged the working condition of accessory power supply and battery by CPU, and state of a control display circuit carries out corresponding display.Coordinate shown in Fig. 5, status display circuit is made up of the LED of 4 different colours, points out whether accessory power supply normally works (green GREEN), whether battery charges (yellow YELLOW) respectively, whether battery charging be full of the whether reversal connection (red R ED) of (blue BLUE) and battery according to its light on and off.
Coordinate shown in Fig. 4, dry contact lead-out terminal connects CPU, its Main Function realizes information interchange with miscellaneous equipment, adopt 4 relays in the present embodiment, its effect is that prompting accessory power supply exports fault (FAULT_OUT), cell voltage too low (BAT_LOW), input AC fault (NO_AC), cell activation (ACT_OUT1) respectively.
As shown in Figure 6; the cell anti-reverse connection circuit figure in the present embodiment; when battery just connects; CONVERSE is low level, and when battery reversal connection, CPU can detect that CONVERSE becomes high level signal; in order to protect battery; can not make the first relay closes, battery does not charge, simultaneously alarm battery failures.
During specific works, coordinate shown in Fig. 2, the utility model has three groups of terminals, one group is for connecting the terminal exchanging input, one group is the terminal for connecting battery, one group is the terminal for connecting load in addition, and load herein can be Feeder Terminal Unit (FTU), switching station terminal equipment (DTU) and distribution transformer terminals equipment (TTU), also can be the load on ordinary meaning.
During work, when CPU judges there is interchange input according to the data of power state information Acquisition Circuit collection, be that CPU powers by accessory power supply, load is now also by Alternating Current Power Supply, and CPU controls the second relay and disconnects, and according to the state information of battery, if battery needs charging, then the first relay closes, if do not need charging or be full of, then controls the first relay and disconnects.Specifically when charging, if battery is in floating charge for a long time, in order to avoid pole plate passivation, then automatically enter the state of activation; When detecting that battery connects normal, the first relay closes, battery charges, and be first charged to even charging voltage all to fill i.e. constant current, charging voltage is constant in preset value, and electric current starts to decline, and battery is full of gradually; When charging current is less than set point, enter floating charge state, enter floating charge after one month, power supply will proceed to controlled all filling, automatically to carrying out cell activation.
When not exchanging input or overload; CPU controls the first relay and disconnects; second relay closes; battery is CPU and load supplying simultaneously; simultaneously by the state information of battery status information Acquisition Circuit Real-time Collection battery, when when battery discharge is to the protection value preset, disconnect the second relay; protection battery by expendable electric discharge, and provides dry contact to report to the police.
Above embodiment is only and technological thought of the present utility model is described; protection range of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection range.
Claims (6)
1. a multi-functional AC/DC converting means, it is characterized in that: comprise CPU, EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module, EMC output filter circuit, accessory power supply, first relay, second relay, status display circuit, power state information Acquisition Circuit, battery status information Acquisition Circuit and dry contact lead-out terminal, wherein, EMC input circuit, current rectifying and wave filtering circuit, DC/DC conversion module and EMC output filter circuit are linked in sequence, and the input of EMC input circuit connects 90V-265V interchange input, the output of EMC output filter circuit connects one end and the load of the first relay respectively, the other end of the first relay connects battery, the input of described accessory power supply connects the output of current rectifying and wave filtering circuit, and output connects CPU, described second relay is connected between battery and load, and battery also connects CPU, and the control end of first, second relay all connects CPU, under the control of cpu closed or disconnection, described DC/DC conversion module comprises DC/DC translation circuit and controller, the two ends of described DC/DC translation circuit connect current rectifying and wave filtering circuit and EMC output filter circuit respectively, and controller connects DC/DC conversion module and CPU respectively, regulate the size of DC/DC translation circuit output voltage under the control of cpu, described power state information Acquisition Circuit is for gathering the voltage and current information of accessory power supply, and send into CPU, described battery status information Acquisition Circuit is then for gathering the voltage and current information of battery, also CPU is sent into, judged the working condition of accessory power supply and battery by CPU, and state of a control display circuit carries out corresponding display, described dry contact lead-out terminal connects CPU.
2. a kind of multi-functional AC/DC converting means as claimed in claim 1, is characterized in that: the control chip of described accessory power supply adopts FSQ100.
3. a kind of multi-functional AC/DC converting means as claimed in claim 1, is characterized in that: the controller in described DC/DC conversion module adopts TL494.
4. a kind of multi-functional AC/DC converting means as claimed in claim 1, it is characterized in that: described status display circuit is made up of the LED of 4 different colours, point out whether accessory power supply normally works, whether battery charges respectively according to its light on and off, whether battery charging be full of and battery whether reversal connection.
5. a kind of multi-functional AC/DC converting means as claimed in claim 1, is characterized in that: described dry contact lead-out terminal adopts 4 relays, and fault, cell voltage are too low, input AC fault and cell activation to point out accessory power supply to export respectively.
6. a kind of multi-functional AC/DC converting means as claimed in claim 1, is characterized in that: described load refers to Feeder Terminal Unit, switching station terminal equipment or distribution transformer terminals equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875846.XU CN205070589U (en) | 2015-11-05 | 2015-11-05 | Multi -functional ACDC converting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875846.XU CN205070589U (en) | 2015-11-05 | 2015-11-05 | Multi -functional ACDC converting means |
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| Publication Number | Publication Date |
|---|---|
| CN205070589U true CN205070589U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520875846.XU Expired - Fee Related CN205070589U (en) | 2015-11-05 | 2015-11-05 | Multi -functional ACDC converting means |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253451A (en) * | 2016-08-11 | 2016-12-21 | 合肥阿格德信息科技有限公司 | A kind of power module |
| CN106505727A (en) * | 2016-12-23 | 2017-03-15 | 广州辉群智能科技有限公司 | The electric power controller of many net integrated multifunction numeral emergent broadcast machines |
| CN109035590A (en) * | 2018-06-21 | 2018-12-18 | 广东工业大学 | A kind of intelligent electric meter and electricity charge charging system |
| CN114513037A (en) * | 2022-01-21 | 2022-05-17 | 山东泰开直流技术有限公司 | Low-voltage intelligent direct-current power supply system and operation method |
-
2015
- 2015-11-05 CN CN201520875846.XU patent/CN205070589U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253451A (en) * | 2016-08-11 | 2016-12-21 | 合肥阿格德信息科技有限公司 | A kind of power module |
| CN106505727A (en) * | 2016-12-23 | 2017-03-15 | 广州辉群智能科技有限公司 | The electric power controller of many net integrated multifunction numeral emergent broadcast machines |
| CN109035590A (en) * | 2018-06-21 | 2018-12-18 | 广东工业大学 | A kind of intelligent electric meter and electricity charge charging system |
| CN114513037A (en) * | 2022-01-21 | 2022-05-17 | 山东泰开直流技术有限公司 | Low-voltage intelligent direct-current power supply system and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20181105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |