CN211744144U - Intelligent monitoring device for low-voltage direct-current small bus - Google Patents
Intelligent monitoring device for low-voltage direct-current small bus Download PDFInfo
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- CN211744144U CN211744144U CN202020770070.6U CN202020770070U CN211744144U CN 211744144 U CN211744144 U CN 211744144U CN 202020770070 U CN202020770070 U CN 202020770070U CN 211744144 U CN211744144 U CN 211744144U
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Abstract
The utility model relates to an intelligent monitoring device for low-voltage direct-current small bus, which comprises a main body module and a Hall sensor module; the main body module comprises a metering unit, a switching value input and output unit, a leakage current detection unit, a temperature detection unit, an MCU (microprogrammed control unit), a state indicator lamp and a buzzer for alarming and communicating, and the metering unit of the main body module obtains a voltage signal and a power supply from the direct current bus duct; the switching value input and output unit is 4 paths of main contact point input and 2 paths of relay output; the Hall sensor module comprises three Hall sensors and connecting ports; the Hall sensor obtains a current signal from the bus duct, then the current signal is connected to a metering unit of the main body module through the RJ11, and after the voltage and current signal is processed by an RN7302 chip in the metering unit, data is transmitted to the MCU through the SPI. The utility model can be compatible with two application occasions of the starting box and the plug box, and can measure the electric parameters of one incoming line and three outgoing lines; flexible and expandable.
Description
Technical Field
The utility model relates to a power supply unit technical field especially relates to an intelligent monitoring device in being applied to low pressure direct current little generating line system starting end case and grafting case.
Background
The current society develops rapidly, and the power consumption of each industry increases sharply, and especially large-scale computer lab, data center etc. the mode of traditional multichannel cable power supply is replaced by the bus duct of more superiority. The weakest link influencing the safe operation of the bus duct at present is the reliability of the bus duct connection part. The prior art has the following defects:
(1) the incoming line joint of the bus duct is provided with an initial end box, the outgoing line joint of each branch is provided with a jack box, and a breaker is arranged in the jack box. The integration degree of a bus starting end box and a jack box in the market is not high, and if the bus starting end box and the jack box are used in a matching mode in Chinese patent CN210074874U, a common metering instrument and a temperature and humidity detection device are adopted to complete real-time detection of bus electric energy detection and bus duct temperature so as to guarantee reliable operation of buses. The working principle is as follows: the temperature and humidity detection device and the metering instrument wirelessly transmit detected data to the collector, the collector transmits the detected data to the main control device and the gateway, and the gateway transmits the detected data to the client server. The defect is that the electric parameters only have temperature, humidity, voltage and current and do not have the function of measuring electric leakage; secondly, the whole function realization needs temperature and humidity detection device, metering instrument, collector, master control device, gateway, customer end server, and the required equipment is many kinds, and the volume is huge and the cost is very high.
(2) From the perspective of system application, the whole industry lacks a detection device which is intelligent, high in integration level and flexible in configuration; for example, the invention patent CN108429350A discloses a bus duct remote intelligent monitoring system, which comprises a plurality of components, wherein the components are connected in a wired manner, and the whole system is difficult to build.
(3) From the product application, the low-voltage direct-current bus measuring device belongs to a blank state in the whole industry, and is a set of complete solution designed aiming at the intelligent monitoring requirement of the small bus of the data center recently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide an intelligent monitoring device for a low-voltage direct-current small bus, which integrates the functions of electric energy monitoring, temperature monitoring, direct-current leakage monitoring, switching value input, switching value output, RS485 wired communication and the like into a whole so as to reduce the volume of a starting box and a plug box, facilitate installation and use and reduce cost; the device can be compatible with two application occasions of an initial box and a plug box, and can measure the electrical parameters of one incoming line and three outgoing lines; the touch screen is flexible and extensible, and can be connected with a local touch screen through a network cable to achieve local display and local control.
The purpose of the utility model is realized like this:
an intelligent monitoring device for a low-voltage direct-current small bus comprises a main body module and a Hall sensor module; the main body module comprises a metering unit, a switching value input and output unit, a leakage current detection unit, a temperature detection unit, an MCU (microprogrammed control unit), a state indicator lamp and a buzzer for alarming and communicating, and the metering unit of the main body module obtains a voltage signal and a power supply from the direct current bus duct; the switching value input and output unit is 4 paths of main contact point input and 2 paths of relay output; the Hall sensor module comprises three Hall sensors and connecting ports; the Hall sensor obtains a current signal from the bus duct, then the current signal is accessed to a metering unit of the main body module through RJ11, and after the voltage and current signal is processed by an RN7302 chip in the metering unit, data is transmitted to the MCU through the SPI;
the MCU collects field leakage current and temperature data through the leakage current detection unit and the temperature detection unit and controls the indicator lamp to work; the main body module exchanges data with an external monitoring host through an RJ45 interface, and a buzzer is driven to give an alarm when the circuit temperature is too high or the monitored voltage and current data are abnormal.
Further, the main body module is connected with an external micro-power wireless module.
Furthermore, the main body module provides power for the external micro-power wireless module and performs data exchange with an external monitoring host in a wireless mode through the external micro-power wireless module.
Further, the main body module is connected with the display module through the RJ45, and parameters are configured for the main body module.
Furthermore, the main body module and the display module are respectively provided with an in-out two RJ45 interfaces.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the method fills up the blank of the industry, and in the field of bus monitoring, alternating current bus monitoring has relevant application, but direct current bus monitoring is proposed only by relevant enterprises recently, such as bidding documents of China Mobile and telecommunication; the utility model discloses an intelligent monitoring to recent data center little generating line requires and designs, can satisfy two kinds of application scenarios of starting end case and jack box simultaneously. When the method is applied to the starting box, the electric parameters of one incoming line can be measured; when the device is applied to the jack box, the electrical parameters of one incoming line and three outgoing lines can be measured;
(2) the utility model has various functions, not only has the traditional electric energy monitoring and temperature and humidity monitoring, but also increases the electric leakage monitoring and prevents the occurrence of electric fire; and the wireless communication function is added, and the wireless communication function can be directly connected with a public mobile communication base station or form an internal wireless local area network.
(3) The utility model has small appearance and high integration degree; the main part module only occupies the miniature circuit breaker position of 2P, has just integrateed functions such as electric energy monitoring, temperature monitoring, direct current electric leakage monitoring, switching value input, switching value output, RS485 wired communication, compares with using ordinary metering device and temperature and humidity monitoring devices, and the integrated level is high, simple to operate, the module is small, advantage such as with low costs.
(4) The utility model discloses the configuration is nimble, is equipped with a wireless extension module, can select wireless communication mode according to customer's demand, including 2G, 4G, NB-Iot, LORA, both can directly and public mobile communication base station communication, the base station to high in the clouds or local server direct communication, also can constitute the LAN with the LORA communication, need not reuse equipment such as gateway, customer end server, reduce cost.
(5) The utility model can form a control system with the touch screen; the device can be connected and communicated with the touch screen through a network port, and the device are connected in pairs in a hand-in-hand mode to form a small system in a wired connection mode with the touch screen; the touch screen can display various collected data and also can send various control commands in a following mode.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a functional block diagram of the present invention.
Fig. 3 is a schematic view of the overall application of the present invention.
Fig. 4 is the LORA networking schematic diagram of the present invention.
Fig. 5 is the RS485 networking schematic diagram of the present invention.
Wherein:
the device comprises a main body module 1, a Hall sensor module 2, an external micro-power wireless module 3 and a display module 4.
Detailed Description
For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1:
referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of the present invention. As shown in the figures, the utility model relates to an intelligent monitoring device for low-voltage direct-current small bus, which comprises a main body module 1 and a hall sensor module 2;
the main body module 1 comprises a metering unit, a switching value input and output unit, a leakage current detection unit, a temperature detection unit, an MCU (microprogrammed control unit), a state indicator lamp and a buzzer for alarming and communicating, and the metering unit of the main body module 1 obtains a voltage signal and a power supply from the direct current bus duct; the switching value input and output unit is 4 paths of main contact point input and 2 paths of relay output, and the relay output can be configured according to the requirements of customers.
The Hall sensor module 2 comprises three Hall sensors and connecting wires, and the Hall sensors can be in various shapes such as a through type and an open type; the Hall sensor collects current signals from the bus duct, then the current signals are connected into a metering unit of the main body module 1 through an RJ11 (telephone port), and after voltage and current signals are processed by an RN7302 chip in the metering unit, data are transmitted to the MCU through the SPI.
The MCU collects field leakage current and temperature data through the leakage current detection unit and the temperature detection unit and controls the indicator lamp to work; main part module 1 carries out data interchange through RJ45 interface and outside monitoring host computer, drives the buzzer and reports to the police when circuit temperature is too high or the voltage current data of monitoring are unusual.
Above, main part module 1 and hall sensor module 2 can accomplish the most function in alternating current bus starting end case and the grafting case, guarantee the reliable operation of bus duct.
In order to further simplify field wiring, the main body module 1 is connected with the external micro-power wireless module 3, the size of the external micro-power wireless module 3 is only 1P, functions such as lora and 4G can be selected, and the module is an optional module. The main body module 1 supplies power to the external micro-power wireless module 3 through a contact pin, and exchanges data with an external monitoring host through the external micro-power wireless module 3 in a wireless mode, so that wired connection at the RJ45 is omitted. If the customer is on-site modified, the main body module 1 is installed, the space of the external micro-power wireless module 3 is not reserved beside the main body module 1, the external micro-power wireless module 3 can be connected through the RJ45 of the main body module 1, and wireless data transmission can be achieved.
The main body module 1 is connected with the display module 4 through the RJ45 to configure parameters for the main body module 1, and the display module 4 is an optional module and is provided with a 4-bit nixie tube, a key and the like; the on-site debugging and inspection of a client are simplified, and the voltage and current data can be displayed in real time, so that the on-site monitoring and overhauling are facilitated.
The main body module 1 and the display module 4 are provided with two RJ45 interfaces which are connected in and out, so that manual wiring of networking is facilitated, and the wiring on site is more attractive and neat.
Only select main part module 1 and hall sensor module 2 and just can constitute one set of minimum, the lowest intelligent monitoring device of cost of volume, the main part module only occupies 2P circuit breaker position, and the mutual-inductor is selected according to customer's demand. If 4 modules are selected, a complete intelligent monitoring device can be formed, a more humanized use scheme is provided, and field wiring is further simplified. The utility model can be combined at will, complete set is realized, the use space is reduced, and more functional services can be obtained by customers at lower cost; meanwhile, the use of the extensible module can better meet the use requirements under different requirements and better meet the market demand.
A set of bus management system with the minimum volume and complete functions can be formed by selecting a plurality of main body modules 1, a plurality of Hall sensor modules 2 and a touch screen, the configuration is flexible, the wiring is convenient, and the operation and maintenance personnel management is convenient.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides an intelligent monitoring device for little generating line of low pressure direct current which characterized in that: the sensor comprises a main body module (1) and a Hall sensor module (2); the main body module (1) comprises a metering unit, a switching value input and output unit, a leakage current detection unit, a temperature detection unit, an MCU (microprogrammed control unit), a state indicator lamp and a buzzer for alarming and communicating, wherein the metering unit of the main body module (1) obtains a voltage signal and a power supply from the direct current bus duct; the switching value input and output unit is 4 paths of main contact point input and 2 paths of relay output; the Hall sensor module (2) comprises three Hall sensors and connecting ports; the Hall sensor obtains a current signal from the bus duct, then the current signal is accessed to a metering unit of the main body module (1) through RJ11, and the voltage and current signal is processed by an RN7302 chip in the metering unit and then data is transmitted to the MCU through the SPI;
the MCU collects field leakage current and temperature data through the leakage current detection unit and the temperature detection unit and controls the indicator lamp to work; the main body module (1) exchanges data with an external monitoring host through an RJ45 interface, and drives a buzzer to give an alarm when the circuit temperature is too high or the monitored voltage and current data are abnormal.
2. The intelligent monitoring device for the low-voltage direct-current small bus according to claim 1, characterized in that: the main body module (1) is connected with the external micro-power wireless module (3).
3. The intelligent monitoring device for the low-voltage direct-current small bus according to claim 2, characterized in that: the main body module (1) provides power for the external micro-power wireless module (3), and performs data exchange with an external monitoring host through the external micro-power wireless module (3) in a wireless mode.
4. The intelligent monitoring device for the low-voltage direct-current small bus according to claim 1, characterized in that: the main body module (1) is connected with the display module (4) through the RJ45, and parameters are configured for the main body module (1).
5. The intelligent monitoring device for the low-voltage direct-current small bus according to claim 4, wherein: the main body module (1) and the display module (4) are provided with two RJ45 interfaces which are arranged in and out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770070.6U CN211744144U (en) | 2020-05-12 | 2020-05-12 | Intelligent monitoring device for low-voltage direct-current small bus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020770070.6U CN211744144U (en) | 2020-05-12 | 2020-05-12 | Intelligent monitoring device for low-voltage direct-current small bus |
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| CN211744144U true CN211744144U (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659536A (en) * | 2021-08-25 | 2021-11-16 | 江苏华维电力科技有限公司 | Civil bus structure with real-time intelligent monitoring device |
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- 2020-05-12 CN CN202020770070.6U patent/CN211744144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659536A (en) * | 2021-08-25 | 2021-11-16 | 江苏华维电力科技有限公司 | Civil bus structure with real-time intelligent monitoring device |
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