CN203774875U - Power supply monitoring device - Google Patents
Power supply monitoring device Download PDFInfo
- Publication number
- CN203774875U CN203774875U CN201420149381.5U CN201420149381U CN203774875U CN 203774875 U CN203774875 U CN 203774875U CN 201420149381 U CN201420149381 U CN 201420149381U CN 203774875 U CN203774875 U CN 203774875U
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- power supply
- circuit
- acquisition circuit
- monitoring
- mcu microcontroller
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Abstract
The utility model relates to a device for monitoring a power supply system, and specifically relates to a power supply monitoring device with intelligent monitoring and intelligent voltage regulating functions. The power supply monitoring device is mainly formed by a power circuit, an MCU microcontroller, a PWM voltage regulator circuit, an A/D convertor, a signal acquisition circuit and a display device. The signal acquisition circuit comprises a charging voltage acquisition circuit, a charging current acquisition circuit and a power supply temperature acquisition circuit, thereby realizing real-time monitoring on output voltage and output current of a power supply and the power supply temperature; the monitoring device is provided with the PWM voltage regulator circuit, and the output voltage of the power supply can be subjected to intelligent voltage regulating based on power supply temperature signals collected by the power supply temperature acquisition circuit, thereby not only protecting the power supply effectively, but also realizing high-speed accurate management of the power supply; and the monitoring circuit is further provided with a fault acquisition circuit, wherein the fault acquisition circuit outputs collected power supply fault information which is processed by the MCU microcontroller to the display device for displaying, thereby facilitating maintenance personnel to carry out maintenance.
Description
Technical field
The utility model relates to a kind of device that power-supply system is monitored, and specifically, relates to a kind of apparatus for monitoring power supply with intellectual monitoring and intelligent pressure regulating.
Background technology
Power supply industry has the developing history of more than 30 year, along with the fast development of power supply industry, power type, suitable maturation of the maturity of technology and the reliability of performance, and existing single channel 5V power supply cannot meet the power demands of complicated power-supply system, current power-supply system may need the different Power supply in Wei Ji road simultaneously, for improving the reliability of power-supply system, need to be to the output voltage of power supply, the basic parameter such as output current and ambient temperature information is monitored, and according to the power information detecting, power-supply system is carried out to automatic Regulation, to guarantee reliability and the accuracy of power-supply system work, realize the intellectuality control to power-supply system.
Utility model content
The purpose of this utility model is to provide a kind of apparatus for monitoring power supply, can realize intellectual monitoring and intelligent pressure regulating to power supply, has improved power-supply system reliability of operation and accuracy.
The technical solution of the utility model is: a kind of apparatus for monitoring power supply, mainly by power circuit, MCU microcontroller, PWM regulating circuit, A/D converter, signal acquisition circuit, display unit composition, it is characterized in that: described signal acquisition circuit comprises charging voltage Acquisition Circuit, charging current Acquisition Circuit and power supply temperature collection circuit, the power supply signal that described signal acquisition circuit collects exports MCU microcontroller to through A/D converter and processes and be sent to display unit and show, described power supply temperature collection circuit adopts the platinum resistance thermometer sensor, that model is PT100, described MCU microcontroller output and PWM regulating circuit are electrically connected, the power supply temperature signal collecting according to power supply temperature collection circuit carries out intelligent pressure regulation to the output voltage of power supply.
Preferably, this supervisory circuit is also provided with fault collection circuit, and fault collection circuit exports the power failure information collecting to display unit and shows after MCU microcontroller is processed.
Preferably, described MCU microcontroller communicates by RS485 bus and host computer, the data that gather according to supervising device, the operating state of Real-Time Monitoring management power supply.
Preferably, between described signal acquisition circuit and A/D converter, be provided with and ensure the accurately photoelectric isolating circuit of transmission of collection signal.
The utility model beneficial effect is compared with prior art:
This apparatus for monitoring power supply comprises power circuit, MCU microcontroller, PWM regulating circuit, A/D converter, signal acquisition circuit, display unit, signal acquisition circuit comprises charging voltage Acquisition Circuit, charging current Acquisition Circuit and power supply temperature collection circuit, realize the real-time monitoring to electric power output voltage, output current and power supply temperature, wherein power supply temperature collection circuit adopts the platinum resistance thermometer sensor, that model is PT100, and power supply temperature is had to high sensitivity characteristic; The PWM regulating circuit that this supervising device is provided with, the power supply temperature signal collecting according to power supply temperature collection circuit carries out intelligent pressure regulation to the output voltage of power supply, not only effective protection power source, and power supply is realized at a high speed to accurately management; This supervisory circuit is also provided with fault collection circuit, and fault collection circuit exports the power failure information collecting to display unit and shows after MCU microcontroller is processed, and convenient for maintaining personnel overhaul.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with brief description of the drawings embodiment of the present utility model:
Referring to Fig. 1, a kind of apparatus for monitoring power supply, mainly formed by power circuit, MCU microcontroller, PWM regulating circuit, A/D converter, signal acquisition circuit, display unit, power circuit comprises MCU microcontroller power supply, A/D converter power supply and RS485 communication power supply, signal acquisition circuit comprises charging voltage Acquisition Circuit, charging current Acquisition Circuit and power supply temperature collection circuit, and the power supply signal that signal acquisition circuit collects exports MCU microcontroller to through A/D converter and processes and be sent to display unit and show; Power supply temperature collection circuit adopts the platinum resistance thermometer sensor, that model is PT100, and this resistance has high sensitivity characteristic to power supply temperature, effectively ensures the accuracy of power supply temperature acquisition; MCU microcontroller output and PWM regulating circuit are electrically connected, and the power supply temperature signal collecting according to power supply temperature collection circuit carries out intelligent pressure regulation to the output voltage of power supply, not only effective protection power source, and power supply is realized at a high speed to accurately management.
This supervisory circuit is also provided with fault collection circuit, fault collection circuit and MCU microcontroller input are electrically connected, fault collection circuit exports the power failure information collecting to display unit and shows after MCU microcontroller is processed, convenient for maintaining personnel find fault in time, and power circuit is overhauled.
MCU microcontroller communicates by RS485 bus and host computer, the data that gather according to supervising device, and the operating state of Real-Time Monitoring management power supply, realizes the Intellectualized monitoring to power work.
Between signal acquisition circuit and A/D converter, be provided with and ensure the accurately photoelectric isolating circuit of transmission of collection signal, after power circuit isolation simultaneously, accessory power supply carries out one-level isolation, power end interference is dropped to minimum, between MCU microcontroller power supply, A/D converter power supply and RS485 communication power supply, adopt the photoelectric isolation method of discrete, this mode of isolation step by step greatly reduces the EMI interference problem of circuit.
This supervisory circuit can realize carries out monitoring management to three parallel connection power supplies; be adapted to especially the intelligent management system of power source charges; by gathering charging voltage signal, charging current signal and power supply temperature signal; realize the Intellectualized monitoring to power circuit; and according to the power supply temperature signal collecting, the output voltage of power supply is carried out to intelligent pressure regulation; not only can the protection to charge power supply in the time of power source charges; and realize the intellectuality control to charge power supply, reach and improved power-supply system reliability of operation and accuracy.
Claims (4)
1. an apparatus for monitoring power supply, mainly by power circuit, MCU microcontroller, PWM regulating circuit, A/D converter, signal acquisition circuit, display unit composition, it is characterized in that: described signal acquisition circuit comprises charging voltage Acquisition Circuit, charging current Acquisition Circuit and power supply temperature collection circuit, the power supply signal that described signal acquisition circuit collects exports MCU microcontroller to through A/D converter and processes and be sent to display unit and show, described power supply temperature collection circuit adopts the platinum resistance thermometer sensor, that model is PT100, described MCU microcontroller output and PWM regulating circuit are electrically connected, the power supply temperature signal collecting according to power supply temperature collection circuit carries out intelligent pressure regulation to the output voltage of power supply.
2. apparatus for monitoring power supply according to claim 1, is characterized in that: this supervisory circuit is also provided with fault collection circuit, and fault collection circuit exports the power failure information collecting to display unit and shows after MCU microcontroller is processed.
3. apparatus for monitoring power supply according to claim 1, is characterized in that: described MCU microcontroller communicates by RS485 bus and host computer, the data that gather according to supervising device, the operating state of Real-Time Monitoring management power supply.
4. apparatus for monitoring power supply according to claim 1, is characterized in that: between described signal acquisition circuit and A/D converter, be provided with and ensure the accurately photoelectric isolating circuit of transmission of collection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149381.5U CN203774875U (en) | 2014-03-28 | 2014-03-28 | Power supply monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149381.5U CN203774875U (en) | 2014-03-28 | 2014-03-28 | Power supply monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774875U true CN203774875U (en) | 2014-08-13 |
Family
ID=51292025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149381.5U Expired - Fee Related CN203774875U (en) | 2014-03-28 | 2014-03-28 | Power supply monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107787A (en) * | 2017-12-26 | 2018-06-01 | 大连函量科技发展有限公司 | A kind of apparatus for monitoring power supply |
-
2014
- 2014-03-28 CN CN201420149381.5U patent/CN203774875U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107787A (en) * | 2017-12-26 | 2018-06-01 | 大连函量科技发展有限公司 | A kind of apparatus for monitoring power supply |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190328 |