CN202906423U - Mine circuit comprehensive protection device - Google Patents
Mine circuit comprehensive protection device Download PDFInfo
- Publication number
- CN202906423U CN202906423U CN 201220500607 CN201220500607U CN202906423U CN 202906423 U CN202906423 U CN 202906423U CN 201220500607 CN201220500607 CN 201220500607 CN 201220500607 U CN201220500607 U CN 201220500607U CN 202906423 U CN202906423 U CN 202906423U
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- circuit
- protective device
- programmable logic
- logic controller
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Abstract
The utility model provides a mine circuit comprehensive protection device. The mine circuit comprehensive protection device comprises a circuit comprehensive protection device body which is provided with a processing signal and sends out a control signal, an A/D module circuit (23) which is connected with an input port of the circuit comprehensive protection device body and is provided with a port which is connected with a temperature sensor, a humidity sensor and a communication line of a high and low voltage distribution switch, and a DSP processor (24) which is connected with the input port of the circuit comprehensive protection device body and is provided with a port which is connected with a voltage and current transformer of the high and low voltage distribution switch. According to the utility model, temperature, humidity, voltage and current of the high and low voltage distribution switch are detected; detection projects are increased; the fact that only voltage and current are simply detected is changed, which ensures the operation of the high and low voltage distribution switch and mine electrical safety; and the mine production safety is improved.
Description
Technical field
The utility model relates to a kind of mining circuit synthesis protective device, the intelligent type comprehensive protective device in especially a kind of flame-proof mine high and low pressure panel switches.
Background technology
In the mine produces, in the tunnel, be furnished with a large amount of electric power and electric equipment, for Electrical Safety, guarantee the mine production safety, therefore mining circuit synthesis protective device is an important mining equiment, comprehensive protection device in the high and low voltage electric distribution switch of China's flame-proof mine mainly is the electron type comprehensive protection device at present, because of its complex structure, electric elements mass discrepancy large, cause unstable properties, operational reliability is relatively poor, seriously influence the normal operation of panel switches, and installation and maintenance are inconvenient; Simultaneously interface quantity can not be monitored all sidedly electric power in the mine and the power consumption parameter of electric equipment, thereby can not guarantee the mine production security very little.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of mining circuit synthesis protective device, has therefore improved the mine production security.
For achieving the above object, the technical scheme that the utility model is taked is: include the A/D modular circuit that has processing signals and be connected and have the port that is connected with connection with the temperature sensor of high and low voltage electric distribution switch and humidity sensor with the circuit synthesis protective device body that is connected control signal, with circuit synthesis protective device body input port, be connected and have the dsp processor of the port that is connected with the voltage and current instrument transformer of high and low voltage electric distribution switch with circuit synthesis protective device body input port.
The industry Programmable Logic Controller is by A/D modular circuit and the dsp processor electric current to panel switches; voltage; temperature; humidity; insulation; communication signal and opening and closing state carry out Real Time Monitoring and demonstration; overload to the panel switches system; short circuit; disconnected phase; overvoltage; the fault that the fault such as under-voltage and transformer opposite side panel switches feedback are come; the industry Programmable Logic Controller concerns according to predefined various logic; the output control and protection signal is to performance element; the driving circuit breaker disconnects; owing to having designed A/D modular circuit and dsp processor; temperature to the high and low voltage electric distribution switch; humidity; voltage and current all detects; increased the project that detects; no longer only detect simply voltage and current; guarantee operation and the mine electric safety of high and low voltage electric distribution switch, therefore improved the mine production security.
The utility model has designed; circuit synthesis protective device body is set to include industrial Programmable Logic Controller and man-machine screen; man-machine screen is arranged on the door capable of being opened; man-machine screen is set to be connected with industrial Programmable Logic Controller; the output control terminal mouth setting of industry Programmable Logic Controller connects with the circuit breaker of high and low voltage electric distribution switch; the input port of industry Programmable Logic Controller arranges respectively with the A/D modular circuit and is connected with dsp processor; the A/D modular circuit is provided with and the port that adds direct current earth leakage protective and be connected; the port that is connected with insulation monitoring; with humidity the sampling port that is connected and the port that is connected with temperature sampling, dsp processor is provided with the port that is connected with zero-sequence current type earth leakage protective; the port that is connected with the A phase current sampling; the port that is connected with the B phase current sampling; the port that is connected with the C phase current sampling; the port that is connected with voltage sample and with the port of temperature detection control connection.
The utility model has designed, and industrial Programmable Logic Controller is set to the PLC controller and is provided with control PORT COM far away, display operation port, test input port, state feedback port, failure output terminal mouth, State-output port and reserve output port.
The utility model has designed, and the display parameters of man-machine screen 22 are the parameter that is provided with humidity, temperature, electric degree, power factor, communication station number, electric current A, electric current B, electric current C, voltage, communication speed, earth leakage protective state, state of insulation, loop monitored state and opening and closing state.
Description of drawings
Fig. 1 is schematic diagram of the present utility model:
Fig. 2 is that the port of industrial Programmable Logic Controller 21, A/D modular circuit 23 and dsp processor 24 arranges structural representation.
Embodiment
Accompanying drawing is an embodiment of the present utility model; specify by reference to the accompanying drawings the present embodiment; include industrial Programmable Logic Controller 21; man-machine screen 22; A/D modular circuit 23 and dsp processor 24; man-machine screen 22 is arranged on the door capable of being opened; man-machine screen 22 is set to be connected with industrial Programmable Logic Controller 21; the output control terminal mouth setting of industry Programmable Logic Controller 21 connects with the circuit breaker of high and low voltage electric distribution switch; the input port of industry Programmable Logic Controller 21 arranges respectively to be connected with dsp processor with A/D modular circuit 23 and is connected; A/D modular circuit 23 is provided with the port one 1 that is connected with additional direct current earth leakage protective; the port one 2 that is connected with insulation monitoring; with humidity the sampling port one 3 that is connected and the port one 4 that is connected with temperature sampling, dsp processor 24 is provided with the port one 5 that is connected with zero-sequence current type earth leakage protective; the port one 6 that is connected with the A phase current sampling; the port one 7 that is connected with the B phase current sampling; the port one 8 that is connected with the C phase current sampling; the port one 9 that is connected with voltage sample and with the port 20 of temperature detection control connection.
In the present embodiment, industrial Programmable Logic Controller 21 is set to the PLC controller and is provided with control PORT COM 4 far away, display operation port 5, test input port 6, state feedback port 7, failure output terminal mouth 8, State-output port 9 and reserve output port 10.
In the present embodiment, the display parameters of man-machine screen 22 are the parameter that is provided with humidity, temperature, electric degree, power factor, communication station number, electric current A, electric current B, electric current C, voltage, communication speed, earth leakage protective state, state of insulation, loop monitored state and opening and closing state.
Its operation principle is: the voltage of instrument transformer secondary output is made the working power of industrial Programmable Logic Controller 21 and circuit breaker.After panel switches closed a floodgate, industrial Programmable Logic Controller 21 at first carried out self check to whole panel switches system, and the self check situation shows by man-machine screen 22, can put into operation after system is normal.Industry Programmable Logic Controller 21 carries out Real Time Monitoring and demonstration by electric current, voltage, temperature, humidity, insulation, communication signal and the opening and closing state of A/D modular circuit 23 and 24 pairs of panel switches of dsp processor; the fault that the overload of panel switches system, short circuit, disconnected phase, overvoltage, the fault such as under-voltage and transformer opposite side panel switches feedback are come; industry Programmable Logic Controller 21 concerns according to predefined various logic; the output control and protection signal disconnects to performance element, driving circuit breaker, thereby realizes protection.
Overload protection; the overload protection sampled value is taken from the B phase current mutual inductor; this sampling value is sent into dsp processor 24; carry out sending into industrial Programmable Logic Controller 21 internal registers after data are processed through dsp processor 24; when this data in register during greater than 1.2 times of industrial Programmable Logic Controller 21 inner setting values, industrial Programmable Logic Controller 21 time-delay outputs one switching signal makes circuit breaker trip.
Short-circuit protection: the short-circuit protection sampled value is taken from A, C phase current mutual inductor; this sampling value is sent into dsp processor 2; carry out sending into industrial Programmable Logic Controller 21 internal registers after data are processed through dsp processor 2; when the arbitrary phase current industry of A, C Programmable Logic Controller 21 inner setting value, industrial Programmable Logic Controller 21 is protected by the anti-time limit characteristic of setting.
Under-voltage, overvoltage protection: under-voltage, overvoltage protection sampled value is taken from voltage transformer, the current transformer of panel switches; this sampling value is sent into dsp processor 2; carry out sending into industrial Programmable Logic Controller 21 internal registers after data are processed through dsp processor 2; industry Programmable Logic Controller 21 compared this data in register and set point within each scan period; when be lower than voltage 75% or be higher than voltage 125% the time, PLC just controls circuit breaker and realizes protection.
The utlity model has the characteristics such as stable performance, reliable, installation and maintenance are convenient, for flame-proof mine high and low voltage electric distribution switch provides a kind of intelligent comprehensive protection device.
The utlity model has lower characteristics:
1, owing to having designed A/D modular circuit 23 and dsp processor 24, temperature, humidity, voltage and current to the high and low voltage electric distribution switch all detect, increased the project that detects, no longer only detect simply voltage and current, guarantee operation and the mine electric safety of high and low voltage electric distribution switch, therefore improved the mine production security.
2, owing to having designed industrial Programmable Logic Controller 21 and man-machine screen 22, high and low voltage electric distribution switch operational factor intuitive display, output signal is accurate.
In mining circuit synthesis protective device technical field; Every circuit synthesis protective device body that has processing signals and send control signal that includes; be connected and have the A/D modular circuit 23 of the port that is connected with connection with the temperature sensor of high and low voltage electric distribution switch and humidity sensor with circuit synthesis protective device body input port; the technology contents of dsp processor 24 that is connected with circuit synthesis protective device body input port and has a port that is connected with the voltage and current instrument transformer of high and low voltage electric distribution switch is all in protection range of the present utility model.
Claims (4)
1. mining circuit synthesis protective device; It is characterized in that: include the A/D modular circuit (23) that has processing signals and be connected and have the port that is connected with connection with the temperature sensor of high and low voltage electric distribution switch and humidity sensor with the circuit synthesis protective device body that is connected control signal, with circuit synthesis protective device body input port, be connected and have the dsp processor (24) of the port that is connected with the voltage and current instrument transformer of high and low voltage electric distribution switch with circuit synthesis protective device body input port.
2. mining circuit synthesis protective device according to claim 1; It is characterized in that: circuit synthesis protective device body is set to include industrial Programmable Logic Controller (21) and man-machine screen (22); man-machine screen (22) is arranged on the door capable of being opened; man-machine screen (22) is set to be connected with industrial Programmable Logic Controller (21); the setting of the output control terminal mouth of industry Programmable Logic Controller (21) connects with the circuit breaker of high and low voltage electric distribution switch; the input port of industry Programmable Logic Controller (21) arranges respectively with A/D modular circuit (23) is connected 24 with dsp processor) be connected; A/D modular circuit (23) is provided with the port (11) that is connected with additional direct current earth leakage protective; the port that is connected with insulation monitoring (12); with the humidity sampling port (13) that is connected and the port that is connected with temperature sampling (14), dsp processor (24) is provided with the port (15) that is connected with zero-sequence current type earth leakage protective; the port (16) that is connected with the A phase current sampling; the port (17) that is connected with the B phase current sampling; the port (18) that is connected with the C phase current sampling; the port that is connected with voltage sample (19) and with the port (20) of temperature detection control connection.
3. mining circuit synthesis protective device according to claim 2; It is characterized in that: industrial Programmable Logic Controller (21) is set to the PLC controller and is provided with control PORT COM far away (4), display operation port (5), test input port (6), state feedback port (7), failure output terminal mouth (8), State-output port (9) and reserve output port (10).
4. mining circuit synthesis protective device according to claim 2; It is characterized in that: the display parameters of man-machine screen (22) are the parameter that is provided with humidity, temperature, electric degree, power factor, communication station number, electric current A, electric current B, electric current C, voltage, communication speed, earth leakage protective state, state of insulation, loop monitored state and opening and closing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500607 CN202906423U (en) | 2012-09-27 | 2012-09-27 | Mine circuit comprehensive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500607 CN202906423U (en) | 2012-09-27 | 2012-09-27 | Mine circuit comprehensive protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906423U true CN202906423U (en) | 2013-04-24 |
Family
ID=48127048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500607 Expired - Fee Related CN202906423U (en) | 2012-09-27 | 2012-09-27 | Mine circuit comprehensive protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082530A1 (en) * | 2018-10-26 | 2020-04-30 | 安徽理工大学 | Detection device for mining integrated protection system based on plc and industrial control computer |
-
2012
- 2012-09-27 CN CN 201220500607 patent/CN202906423U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082530A1 (en) * | 2018-10-26 | 2020-04-30 | 安徽理工大学 | Detection device for mining integrated protection system based on plc and industrial control computer |
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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: 20130424 Termination date: 20180927 |