CN204012940U - A kind of novel Intelligent display control device for switch cabinet - Google Patents
A kind of novel Intelligent display control device for switch cabinet Download PDFInfo
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- CN204012940U CN204012940U CN201420470462.5U CN201420470462U CN204012940U CN 204012940 U CN204012940 U CN 204012940U CN 201420470462 U CN201420470462 U CN 201420470462U CN 204012940 U CN204012940 U CN 204012940U
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Abstract
The utility model discloses a kind of novel Intelligent display control device for switch cabinet, it comprises key control unit, signal gathering unit, on off state indicating member, output alarm unit and power supply unit.Signal gathering unit is connected with key control unit by A/D convertor circuit, and output alarm unit is connected with the other end of key control unit, and on off state indicating member is independent circuits, and power supply unit is all connected with wire with above-mentioned each unit; During system operation, signal gathering unit monitoring system humiture, on off state indicating member carries out on off state and the charged indication of three-phase high-voltage; After system cut-off, on off state indicating member is out of service, and signal gathering unit stops monitoring system humiture then the voltage signal of monitoring voltage instrument transformer primary side point of incoming cables, and by key control unit, controls output alarm unit and carry out sound and light alarm.Due to high pressure residual voltage monitoring function is incorporated on off state display control device, can effectively save the volume of system, improve manual operation fail safe.
Description
Technical field
A novel Intelligent display control device for switch cabinet, relates to the technology that in high-voltage electric power system, after power-off, system residual voltage value is monitored, specifically a kind of switch cubicle display control device with the monitoring of high pressure residual voltage and warning function.
background technology
In the electric power system of China, common Intelligent display control device for switch cabinet major part only has on off state deixis and Temperature and Humidity Control function, or incorporates the measurement of some electrical energy parameters.But residual voltage casualty accident happens occasionally after high-pressure system power-off, electroscopy equipment only has some contacts or contactless electroscope.But two kinds of methods are affected by environment larger, complex operation, and the remaining voltage in can not real-time measurement system.And common electriferous state indicator is only when electric power system normally moves, and three-phase high-voltage is carried out to charged indication.Once system cut-off, device quits work, and the residual voltage after high-pressure system power-off can not be detected.
This device is monitored detection technique by residual voltage and is incorporated in Intelligent display control device for switch cabinet, solved high voltage electroscope and state indicator can not the power-off of Real-Time Monitoring high-pressure system after the problem of system residual voltage.
Utility model content
The utility model is for above-mentioned weak point, and a kind of Novel switch cabinet Intelligent display control device with system residual voltage monitoring function after high-voltage electric power system power-off is provided, and has reasonability, completeness and fail safe.Its structural scheme is as follows:
1, a kind of novel Intelligent display control device for switch cabinet, it comprises key control unit, signal gathering unit, on off state indicating member, output alarm unit and power supply unit, it is characterized in that, described key control unit is connected with signal gathering unit by A/D convertor circuit, the relay access electric power system that signal gathering unit is controlled by key control unit; Described on off state indicating member is as a part of independent circuits, and one end is connected with power supply unit by wire, each on off state node in another termination switch cubicle; One end, described output alarm unit is connected with key control unit by drive circuit, and the other end is controlled end member by core and connect power supply unit; Described power supply unit is connected one by one by each unit of wire and other.
2, the core that described key control unit is whole device, is comprised of single-chip microcomputer and Digital Logical Circuits; When electric power system normal power supply, described key control unit is from ambient temperature and humidity signal in signal gathering unit Real-time Obtaining switch cubicle; After electric power system power-off, power supply unit switches to rechargeable battery pack power supply, key control unit drives residual pressure signal to adopt module the residual voltage in electric power system is monitored, key control unit reads the residual pressure signal of changing through AD in real time, when residual voltage value surpasses preset alarm value, drive alarm unit to report to the police.
3, described signal gathering unit, by residual pressure signal acquisition module and temperature-humidity monitoring module, formed, the collection terminal of residual pressure signal acquisition module is connected with voltage transformer primary side in electric power system by relay, and the other end is connected with key control unit by A/D convertor circuit; Temperature-humidity monitoring module is arranged in hyperbaric chamber, by shielding conductor, is connected with key control unit; Residual pressure signal acquisition module is not long-term connecting system, but by the relay access electric power system being controlled by core cell, only have after electric power system power-off, core cell is controlled and is driven relay closes, residual pressure signal acquisition module just comes into operation, the residual voltage in monitoring electric power system.
4, described on off state indicating member is comprised of on off state analog module and the charged indicating module of three-phase high-voltage, and they are separate non-interference, and described on off state analog module is connected with the high-voltage switch gear state node in cabinet by wire; The charged indicating module of described three-phase high-voltage is connected with the high pressure sensor in hyperbaric chamber by wire; On off state simulation indication and the charged indication of three-phase high-voltage while normally moving for system.
5, described output alarm unit, is comprised of warning indicating module and drive circuit, and warning indicating module is connected by buffer circuit with drive circuit, and warning indicating module is comprised of alarm lamp and buzzer; When system residual voltage is worth when too high, by key control unit, drive it to carry out sound and light alarm.
6, described power supply unit, is comprised of rechargeable battery pack and modular power source, and rechargeable battery pack is connected with modular power source by power control circuit; Modular power source is powered to device when system is normally moved, and rechargeable battery pack is charged when system is normal, after system cut-off, device is powered.
The beneficial effects of the utility model:
Due to high pressure residual voltage monitoring function is incorporated on off state display control device, effectively saved the volume of system, optimized system wiring, make system compacter, make on off state display control device more perfect function, effectively solve the accident that system residual voltage causes after high-pressure system power-off simultaneously, improved manual operation fail safe.
Accompanying drawing explanation
Fig. 1 is a kind of novel Intelligent display control device for switch cabinet structural representation.
In figure: 1, key control unit; 2, signal gathering unit; 3, output alarm unit; 4, on off state indication control unit; 5, power supply unit; 6, residual pressure signal acquisition module; 7, temperature-humidity monitoring module, 8, rechargeable battery pack; 9, modular power source; 10, on off state analog module; 11, the charged indicating module of three-phase high-voltage.
Embodiment
Referring to Fig. 1, a kind of novel Intelligent display control device for switch cabinet, it is comprised of key control unit 1, signal gathering unit 2, output alarm unit 3, state indication control unit 4 and power supply unit 5;
Described key control unit 1 is the core of whole device, and the signal of on the one hand described signal gathering unit 2 being sent here is processed, and also will drive in addition 3 actions of described output alarm unit and described on off state indicating member 4 to carry out state indication.
Described signal gathering unit 2, by residual pressure signal acquisition module 6 and temperature-humidity monitoring module 7, formed, the collection terminal of residual pressure signal acquisition module 6 is connected with voltage transformer primary side in electric power system by relay, and the other end is connected with key control unit 1 by A/D convertor circuit, temperature-humidity monitoring module 7 is arranged in hyperbaric chamber, by shielding conductor, is connected with key control unit 1, when electric power system normally moves, the normal monitoring system humiture of temperature-humidity monitoring module 7 in described signal gathering unit 2, residual pressure signal acquisition module 6 is not worked, described power supply unit 5 is comprised of rechargeable battery pack 8 and modular power source 9, rechargeable battery pack is connected with modular power source by power control circuit, now 9 pairs of rechargeable battery pack of modular power source, 8 chargings, described on off state indicating member 4 is as a part of independent circuits, it is comprised of on off state analog module 10 and the charged indicating module 11 of three-phase high-voltage, they are separate non-interference, end is connected with power supply unit by wire, each on off state node in another termination switch cubicle, now carry out on off state indication and the charged indication of three-phase high-voltage, after system cut-off, the rechargeable battery pack 8 in described power supply unit 5 and the residual pressure signal acquisition module 6 in signal gathering unit 2 put into operation, and on off state indicating member 4 and temperature-humidity monitoring module 7 are out of service.The voltage signal of the residual pressure signal acquisition module 6 Real-Time Monitoring voltage transformer primary side points of incoming cables in described signal gathering unit 2, and carry out AD conversion, send into described key control unit 1, according to system residual voltage value size, control output alarm unit 3 and carry out sound and light alarm.
Claims (1)
1. a novel Intelligent display control device for switch cabinet, it comprises key control unit, signal gathering unit, on off state indicating member, output alarm unit and power supply unit, it is characterized in that, described key control unit is connected with signal gathering unit by A/D convertor circuit, the relay access electric power system that signal gathering unit is controlled by key control unit; Described on off state indicating member is as a part of independent circuits, and one end is connected with power supply unit by wire, each on off state node in another termination switch cubicle; One end, described output alarm unit is connected with key control unit by drive circuit, and the other end is controlled end member by core and connect power supply unit; Described power supply unit is connected one by one by each unit of wire and other; Above-mentioned each unit also has following characteristics:
(1) core that described key control unit is whole device, is comprised of single-chip microcomputer and Digital Logical Circuits;
(2) described signal gathering unit, by residual pressure signal acquisition module and temperature-humidity monitoring module, formed, the collection terminal of residual pressure signal acquisition module is connected with voltage transformer primary side in electric power system by relay, and the other end is connected with key control unit by A/D convertor circuit; Temperature-humidity monitoring module is arranged in hyperbaric chamber, by shielding conductor, is connected with key control unit;
(3) described on off state indicating member is comprised of on off state analog module and the charged indicating module of three-phase high-voltage, and they are separate non-interference, and described on off state analog module is connected with the high-voltage switch gear state node in cabinet by wire; The charged indicating module of described three-phase high-voltage is connected with the high pressure sensor in hyperbaric chamber by wire;
(4) described output alarm unit, is comprised of warning indicating module and drive circuit, and warning indicating module is connected by buffer circuit with drive circuit, and warning indicating module is comprised of alarm lamp and buzzer;
(5) described power supply unit, is comprised of rechargeable battery pack and modular power source, and rechargeable battery pack is connected with modular power source by power control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470462.5U CN204012940U (en) | 2014-08-20 | 2014-08-20 | A kind of novel Intelligent display control device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470462.5U CN204012940U (en) | 2014-08-20 | 2014-08-20 | A kind of novel Intelligent display control device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012940U true CN204012940U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420470462.5U Expired - Fee Related CN204012940U (en) | 2014-08-20 | 2014-08-20 | A kind of novel Intelligent display control device for switch cabinet |
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| CN (1) | CN204012940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143859A (en) * | 2014-08-20 | 2014-11-12 | 安徽巨森电器有限公司 | Novel intelligent switch cabinet display control device |
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2014
- 2014-08-20 CN CN201420470462.5U patent/CN204012940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143859A (en) * | 2014-08-20 | 2014-11-12 | 安徽巨森电器有限公司 | Novel intelligent switch cabinet display control device |
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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: 20141210 Termination date: 20180820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |