CN211351335U - Control electric cabinet for high-voltage line - Google Patents
Control electric cabinet for high-voltage line Download PDFInfo
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- CN211351335U CN211351335U CN201921136517.8U CN201921136517U CN211351335U CN 211351335 U CN211351335 U CN 211351335U CN 201921136517 U CN201921136517 U CN 201921136517U CN 211351335 U CN211351335 U CN 211351335U
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Abstract
The utility model discloses a control electric cabinet for high-voltage lines, which comprises a control cabinet and a computer, wherein an alarm device is arranged at the top end of the control cabinet, and a touch screen is arranged on a controlled cabinet door; the control cabinet is internally provided with a high-voltage line, a voltage induction sensor, a current induction sensor and a monitoring box, the voltage induction sensor and the current induction sensor are arranged on the high-voltage line, and the monitoring box is fixed at the lower end of the control electric cabinet; a door lock is installed on a cabinet door of the control cabinet, and a limit switch is installed on a cabinet body of the control cabinet. The electric control cabinet can detect the voltage value and the current value in the control cabinet, and the door lock of the electromagnetic switch is used, so that people can be prevented from entering the switch cabinet by mistake, and the safety is improved.
Description
Technical Field
The utility model belongs to the technical field of electric power, a control electric cabinet for high tension line is related to.
Background
The high-voltage electricity testing device is an important facility for preventing electrical misoperation of high-voltage electrical equipment or lines, can detect whether the high-voltage electrical equipment is electrified or not, and is used for carrying out electrified warning on maintenance personnel during maintenance of the electrical equipment so as to ensure safe operation.
The switch cabinet is common power equipment in a power supply system, and is an important work for ensuring the maintenance work of the power supply system to realize the high-voltage electricity testing of the switch cabinet. And traditional high-voltage electricity testing device is generally only for setting up the signal indicator lamp device on the cubical switchboard, and the safety protection performance is relatively poor, leads to personnel's mistake to go into easily, causes the incident.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model relates to an electricity control cabinet for high tension line can detect the magnitude of voltage and the current value in the switch board to use electromagnetic switch's lock, can avoid personnel to miss and go into the cubical switchboard, improved the security.
The utility model provides a control electric cabinet for high-voltage line, which comprises a control cabinet and a computer, wherein the top end of the control cabinet is provided with an alarm device, and the door of the control cabinet is provided with a touch screen; the control cabinet is internally provided with a high-voltage line, a voltage induction sensor, a current induction sensor and a monitoring box, the voltage induction sensor and the current induction sensor are arranged on the high-voltage line, and the monitoring box is fixed at the lower end of the control electric cabinet; a door lock is installed on a cabinet door of the control cabinet, and a limit switch is installed on a cabinet body of the control cabinet.
An air switch, a switching power supply, a PLC200 and an intermediate relay are further arranged in the monitoring box; the air switch is connected with a 220V alternating current power supply and is electrically connected with a wire inlet port of the switching power supply through a connecting wire, and an output port of the switching power supply can output a 24V direct current power supply; the PLC200 comprises a CPU module, an analog input module and a communication module; the CPU module comprises a power supply inlet port, a digital input port and a digital output port, and the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the analog input module comprises an analog port and a power supply inlet port, and the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the communication module comprises a communication port and a power supply inlet port, and the power supply inlet port is connected to a direct-current power supply 24V through a connecting wire; the intermediate relay comprises a coil contact and a normally open contact, and the coil contact is electrically connected with a digital output port in the PLC200 through a connecting wire.
The computer further comprises a control platform and a host, and the host is connected with a communication port of a communication module in the PLC200 through a network cable.
The touch screen further comprises a power supply wiring port and a communication port, and the power supply wiring port is connected with a 24V direct-current power supply at the output end of the switching power supply through a connecting wire; the communication port is connected with a communication port of a communication module in the PLC200 through a communication line.
Further, a detection port of the voltage induction sensor is electrically connected with an analog quantity port of an analog quantity input module in the PLC200 through a connecting wire.
Further, a detection port of the current induction sensor is electrically connected with an analog quantity port of an analog quantity input module in the PLC200 through a connecting wire.
The door lock is further an electromagnetic door lock and comprises an electromagnetic coil, a mechanical device and a lock pin, wherein the mechanical device is fixed in the electromagnetic coil, the lock pin is installed on the mechanical device, and a contact of the electromagnetic coil is connected with a normally open contact of an intermediate relay in the monitoring box through a connecting wire to be connected with a 220V alternating current power supply.
Further limit switch includes spring telescopic link and normally open contact, the spring telescopic link is fixed on the cabinet body, and normally open contact fixes the end at the spring telescopic link, normally open contact passes through the digital input port electrical property of connecting wire and CPU module in the PLC200 and meets.
The alarm device further comprises a red lamp, a yellow lamp and a green lamp, and a power supply input port of each lamp is respectively connected with a normally open contact of each intermediate relay through a connecting wire to be connected with a 220V alternating current power supply.
Drawings
Fig. 1 is a schematic view of the overall structure of a control electric cabinet for a high-voltage line of the utility model;
fig. 2 is a schematic diagram of the structure inside the monitoring box of the control cabinet for high-voltage line.
In the figure: 1. a computer; 2. a high voltage line; 3. an alarm device; 4. a limit switch; 5. a touch screen; 6. a door lock; 7. a current sensing sensor; 8. a voltage sensitive sensor; 9. a monitoring box; 10. an air switch; 11. a switching power supply; 12. a CPU module; 13. an analog input module; 14. a communication module; 15. an intermediate relay.
Detailed Description
The following describes in detail a specific embodiment of a control electrical cabinet for a high-voltage line according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides an electric control cabinet for high-voltage line, which comprises a control cabinet and a computer 1, wherein an alarm device 3 is installed at the top end of the control cabinet, and a touch screen 5 is installed on the door of the control cabinet; the control cabinet is internally provided with a high-voltage line 2, a voltage induction sensor 8, a current induction sensor 7 and a monitoring box 9, the voltage induction sensor 8 and the current induction sensor 7 are arranged on the high-voltage line 2, and the monitoring box 9 is fixed at the lower end of the control electric cabinet; a door lock 6 is installed on a cabinet door of the control cabinet, and a limit switch 4 is installed on a cabinet body of the control cabinet.
The working principle of the control electric cabinet for the high-voltage line is as follows: the voltage value and the current value on the high-voltage line 2 are detected in the control electric cabinet through a voltage induction sensor 8 and a current induction sensor 7, and parameters are transmitted into a monitoring box 9. The touch screen 5 and the computer 1 are in communication connection with the monitoring box 9, and parameters in the monitoring box 9 are displayed on the computer 1 and the touch screen 5 through pictures. The safety factor of the control electric cabinet is judged according to the current and voltage value of the high-voltage circuit in the control electric cabinet, and the signal is transmitted to the alarm device 3. Meanwhile, the door lock 6 of the control electric cabinet is also controlled by the monitoring box 9, so that other people are prevented from opening the control electric cabinet by mistake.
As shown in fig. 2, an air switch 10, a switching power supply 11, a PLC200 and an intermediate relay 15 are installed in the monitoring box 9; the air switch 10 is connected with a 220V alternating current power supply and is electrically connected with a wire inlet port of the switch power supply 11 through a connecting wire, and an output port of the switch power supply 11 can output a 24V direct current power supply; the PLC200 comprises a CPU module 12, an analog input module 13 and a communication module 14; the CPU module 12 comprises a power supply inlet port, a digital input port and a digital output port, wherein the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the analog input module comprises an analog port and a power supply inlet port, and the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the communication module 14 comprises a communication port and a power supply inlet port, and the power supply inlet port is connected to a direct-current power supply 24V through a connecting wire; the intermediate relay 15 comprises a coil contact and a normally open contact, and the coil contact is electrically connected with a digital output port in the PLC200 through a connecting wire. Digital quantity input port on the CPU module 12 of monitoring box 9 can detect that the electric cabinet door is opened or closed, and digital output port can control the closure of lock 6 and alarm device 3's signal display, and voltage induction sensor 8 and current induction sensor 7 can be gathered to analog input module 13 to monitoring box 9 can pass through communication module 14 with the parameter and transmit to computer 1 and touch-sensitive screen 5 on.
According to the above, the computer 1 includes a control platform and a host, and the host is connected to the communication port of the communication module 14 in the PLC200 through a network cable. The control cabinet can be remotely operated through the computer 1, user login is set on a control picture of the computer 1, and authority is set according to login information of the user. If after ordinary operating personnel logins with the login account number of oneself, can not open electric cabinet door, maintenance personal can log in the abnormal conditions of electric cabinet appearance, and managers can log in at any time, can significantly reduce the phenomenon that irrelevant personnel opened electric cabinet door at will through this management mode.
According to the above, the touch screen 5 includes a power connection port and a communication port, and the power connection port is connected to a 24V dc power supply at the output end of the switching power supply 11 through a connection line; the communication port is connected with the communication port of the communication module 14 in the PLC200 through a communication line. The touch screen 5 is arranged on the control cabinet, and the number of irrelevant people for opening the electric cabinet door is reduced in the same way as the control mode of the computer 1.
According to the above description, the detection port of the voltage-sensitive sensor 8 is electrically connected to the analog port of the analog input module 13 of the PLC200 through a connection line. The voltage-sensitive sensor 8 transmits the voltage signal on the high-voltage line 2 into the monitoring box 9.
According to the above description, the detection port of the current sensing sensor 7 is electrically connected to the analog port of the analog input module 13 of the PLC200 through a connection line. The current sensor 7 transmits the current signal on the high-voltage line 2 into the monitoring box 9. Like the voltage induction sensor 8, the control electric cabinet is judged to be in the running state by detecting the voltage and the current in the electric cabinet.
According to the above, the door lock 6 is an electromagnetic door lock 6, and comprises an electromagnetic coil, a mechanical device and a lock pin, wherein the mechanical device is fixed in the electromagnetic coil, the lock pin is installed on the mechanical device, a contact of the electromagnetic coil is connected with a normally open contact of an intermediate relay 15 in the monitoring box 9 through a connecting wire to a 220V alternating current power supply, and the door lock 6 is controlled to be opened and closed through a digital quantity signal in the monitoring box 9.
According to the above, the limit switch 4 comprises a spring telescopic rod and a normally open contact, the spring telescopic rod is fixed on the cabinet body, the normally open contact is fixed at the tail end of the spring telescopic rod, and the normally open contact is electrically connected with the digital input port of the CPU module 12 in the PLC200 through a connecting wire. The limit switch 4 judges the opening and closing states of the electric cabinet through digital quantity input signals in the monitoring box 9.
According to the above, wherein the alarm device 3 comprises the red light, the yellow light and the green light, the power input port of each light is connected with the normally open contact of each intermediate relay 15 through the connecting wire to the 220V ac power supply. According to the operation condition of the electric cabinet, the monitoring box 9 outputs three signals, and according to the colors of the three-color lamps, the operation condition of the electric cabinet is visually judged, if green is the operation state of the electric cabinet, yellow is the fault state of the electric cabinet, and red is the stop state of the electric cabinet.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The control electric cabinet for the high-voltage line is characterized by comprising a control cabinet and a computer, wherein an alarm device is installed at the top end of the control cabinet, and a touch screen is installed on a cabinet door of the control cabinet; the control cabinet is internally provided with a high-voltage line, a voltage induction sensor, a current induction sensor and a monitoring box, the voltage induction sensor and the current induction sensor are arranged on the high-voltage line, and the monitoring box is fixed at the lower end of the control electric cabinet; a door lock is installed on a cabinet door of the control cabinet, and a limit switch is installed on a cabinet body of the control cabinet.
2. The control electric cabinet for high-voltage lines according to claim 1, wherein an air switch, a switching power supply, a PLC200 and an intermediate relay are installed in the monitoring box; the air switch is connected with a 220V alternating current power supply and is electrically connected with a wire inlet port of the switching power supply through a connecting wire, and an output port of the switching power supply can output a 24V direct current power supply; the PLC200 comprises a CPU module, an analog input module and a communication module; the CPU module comprises a power supply inlet port, a digital input port and a digital output port, and the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the analog input module comprises an analog port and a power supply inlet port, and the power supply inlet port is connected with a direct-current power supply 24V through a connecting wire; the communication module comprises a communication port and a power supply inlet port, and the power supply inlet port is connected to a direct-current power supply 24V through a connecting wire; the intermediate relay comprises a coil contact and a normally open contact, and the coil contact is electrically connected with a digital output port in the PLC200 through a connecting wire.
3. The electrical control cabinet for high-voltage lines of claim 1, wherein the computer comprises a control platform and a host, and the host is connected to the communication port of the communication module in the PLC200 through a network cable.
4. The control cabinet for the high-voltage line according to claim 1, wherein the touch screen comprises a power supply wiring port and a communication port, and the power supply wiring port is connected to a 24V direct-current power supply of the switching power supply output end through a connecting wire; the communication port is connected with a communication port of a communication module in the PLC200 through a communication line.
5. The electrical control cabinet for high voltage lines of claim 1, wherein the detection port of the voltage induction sensor is electrically connected to the analog port of the analog input module of the PLC200 through a connection line.
6. The electrical control cabinet for high-voltage lines of claim 1, wherein the detection port of the current induction sensor is electrically connected to the analog port of the analog input module of the PLC200 through a connection wire.
7. The control electric cabinet for the high-voltage line according to claim 1, characterized in that the door lock is an electromagnetic door lock, and comprises an electromagnetic coil, a mechanical device and a lock pin, wherein the mechanical device is fixed in the electromagnetic coil, the lock pin is installed on the mechanical device, and a contact of the electromagnetic coil is connected with a normally open contact of an intermediate relay in the monitoring box through a connecting wire to a 220V alternating current power supply.
8. The electrical control cabinet for the high-voltage line according to claim 1, wherein the limit switch comprises a spring telescopic rod and a normally open contact, the spring telescopic rod is fixed on the cabinet body, the normally open contact is fixed at the tail end of the spring telescopic rod, and the normally open contact is electrically connected with the digital input port of the CPU module in the PLC200 through a connecting wire.
9. The control cabinet for high-voltage lines according to claim 1, wherein the alarm device comprises a red light, a yellow light and a green light, and the power input port of each light is connected with the normally open contact of each intermediate relay through a connecting wire to be connected with 220V alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136517.8U CN211351335U (en) | 2019-07-19 | 2019-07-19 | Control electric cabinet for high-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136517.8U CN211351335U (en) | 2019-07-19 | 2019-07-19 | Control electric cabinet for high-voltage line |
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| Publication Number | Publication Date |
|---|---|
| CN211351335U true CN211351335U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921136517.8U Active CN211351335U (en) | 2019-07-19 | 2019-07-19 | Control electric cabinet for high-voltage line |
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| Country | Link |
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| CN (1) | CN211351335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091916A (en) * | 2020-09-17 | 2020-12-18 | 广东电网有限责任公司佛山供电局 | Portable tool box for high-altitude electricity testing and insulation remote measurement of electric power |
-
2019
- 2019-07-19 CN CN201921136517.8U patent/CN211351335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091916A (en) * | 2020-09-17 | 2020-12-18 | 广东电网有限责任公司佛山供电局 | Portable tool box for high-altitude electricity testing and insulation remote measurement of electric power |
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