CN221465672U - Monitoring devices is put in cubical switchboard office - Google Patents
Monitoring devices is put in cubical switchboard office Download PDFInfo
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- CN221465672U CN221465672U CN202323252126.1U CN202323252126U CN221465672U CN 221465672 U CN221465672 U CN 221465672U CN 202323252126 U CN202323252126 U CN 202323252126U CN 221465672 U CN221465672 U CN 221465672U
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- switch cabinet
- cabinet body
- partial discharge
- driving
- side wall
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a monitoring device for partial discharge of a switch cabinet, which belongs to the technical field of monitoring devices for partial discharge, and comprises a switch cabinet body and electrical equipment arranged in the switch cabinet body, wherein the inner sides of the front side wall and the rear side wall of the switch cabinet body are respectively provided with a moving mechanism and a monitoring mechanism, the left side wall and the right side wall of the switch cabinet body are respectively provided with a through hole, an exhaust fan is arranged in each through hole, one side of each exhaust fan, which is far away from the electrical equipment, is provided with a filter screen, the filter screen is connected to the side wall of the switch cabinet body, a PLC (programmable logic controller) is arranged above one side of each through hole, and the top of the switch cabinet body is provided with an alarm. The switch cabinet partial discharge monitoring device with the structure can monitor partial discharge at different positions of electrical equipment, ensure that the occurrence of partial discharge is monitored in the first time, and prompt staff to overhaul through the alarm.
Description
Technical Field
The utility model relates to the technical field of partial discharge monitoring devices, in particular to a switch cabinet partial discharge monitoring device.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The switch cabinets are classified into a movable switch cabinet and a fixed switch cabinet according to the installation mode of the circuit breaker; or according to the different cabinet structures, the switch cabinet can be divided into an open switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; according to different voltage levels, the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be further divided. The method is mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industry textile, factories and mining enterprises, residential communities, high-rise buildings and the like.
Partial discharge is an important cause of insulation breakdown of high-voltage electrical equipment finally, and is also an important representation of insulation degradation, so that the partial discharge of the switch cabinet easily causes damage to the electrical equipment in the switch cabinet, the partial discharge monitoring is required to be carried out on the electrical equipment in the switch cabinet by using a partial discharge monitoring temperature sensor, a certain temperature can be generated when the partial discharge of the electrical equipment occurs, and then the temperature sensor can monitor the electrical equipment so as to prompt a worker to carry out overhaul and maintenance in time when the partial discharge of the electrical equipment in the switch cabinet occurs.
The existing temperature sensor for partial discharge monitoring in the switch cabinet is usually fixedly installed, and is fixed in position, so that when the temperature sensor is used for carrying out partial discharge monitoring on electrical equipment in the switch cabinet, after the electrical equipment far away from the position of the temperature sensor is subjected to partial discharge, certain temperature is generated, and because the temperature sensor is far away from the electrical equipment, the temperature sensor is easy to cause larger deviation of monitoring data, the monitoring data is easy to be not up to a preset value, and workers cannot be timely reminded of overhauling and maintaining.
Disclosure of utility model
The utility model aims to provide a partial discharge monitoring device for a switch cabinet, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides a switch cabinet partial discharge monitoring device, which comprises a switch cabinet body and electrical equipment arranged in the switch cabinet body, wherein the inner sides of the front side wall and the rear side wall of the switch cabinet body are respectively provided with a moving mechanism and a monitoring mechanism, the left side wall and the right side wall of the switch cabinet body are respectively provided with a through hole, an exhaust fan is arranged in each through hole, one side of each exhaust fan, which is far away from the electrical equipment, is provided with a filter screen, the filter screen is connected to the side wall of the switch cabinet body, a PLC (programmable logic controller) is arranged above each through hole, and the top of the switch cabinet body is provided with an alarm.
Preferably, the moving mechanism comprises driving motors, driving wheels and driving belts, the driving wheels are four, the driving motors are arranged on the side wall of the switch cabinet body, an output shaft of each driving motor is connected with any driving wheel, and the driving belts are sleeved on the peripheries of the four driving wheels.
Preferably, a guide rail is arranged on the periphery of the driving belt, a moving block is connected above the guide rail in a sliding manner, one end of the moving block is connected with the driving belt, and two moving blocks are arranged.
Preferably, the monitoring mechanism includes a temperature sensor disposed on the moving block.
Preferably, the four driving wheels are symmetrically arranged in pairs, and the vertical distances between the driving belt and the guide rail are equal.
Preferably, the temperature sensor and the alarm are electrically connected with the PLC.
Therefore, the switch cabinet partial discharge monitoring device adopting the structure can enable the temperature sensor to monitor different positions of the electrical equipment through the arranged moving mechanism, improve the accuracy of monitoring data and monitor the occurrence of the partial discharge phenomenon in the first time; the electric equipment can be subjected to heat dissipation treatment through the arranged exhaust fan, so that the monitoring of the temperature sensor is prevented from being interfered.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a monitoring device for partial discharge of a switchgear according to the present utility model;
FIG. 2 is a front cross-sectional view of an embodiment of a switchgear partial discharge monitoring device of the present utility model;
FIG. 3 is a side cross-sectional view of an embodiment of a switchgear partial discharge monitoring device of the present utility model;
Reference numerals: 1. a switch cabinet body; 2. an electrical device; 3. a temperature sensor; 4. a through hole; 5. an exhaust fan; 6. a filter screen; 7. a PLC controller; 8. an alarm; 9. a driving motor; 10. a driving wheel; 11. a transmission belt; 12. a guide rail; 13. and (5) moving the block.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-3, a monitoring device is put in switch cabinet office, including switch cabinet body 1 and the electrical equipment 2 of setting inside switch cabinet body 1, the inboard of the lateral wall all is provided with moving mechanism and monitoring mechanism around switch cabinet body 1, monitoring mechanism includes temperature sensor 3, through-hole 4 has all been seted up on the lateral wall about switch cabinet body 1, be provided with exhaust fan 5 in the through-hole 4, electrical equipment 2 can produce a large amount of heat in long-time during operation, the inside can carry out the heat dissipation to electrical equipment 2 through the exhaust fan 5 that sets up, avoid the heat that the work produced to influence the monitoring of office and put, one side that exhaust fan 5 kept away from electrical equipment 2 is provided with filter screen 6, prevent in the heat dissipation process that outside impurity gets into inside switch cabinet body 1, thereby influence electrical equipment 2's normal operating, and filter screen 6 is connected on switch cabinet body 1's lateral wall, one side through-hole 4 top is provided with PLC controller 7, switch cabinet body 1's top is provided with alarm 8.
The moving mechanism comprises driving motors 9, driving wheels 10 and driving belts 11, the driving wheels 10 are arranged in four, the four driving wheels 10 are symmetrically arranged in pairs, the driving motors 9 are arranged on the side wall of the switch cabinet body 1, an output shaft of each driving motor 9 is connected with any driving wheel 10, and the driving belts 11 are sleeved on the peripheries of the four driving wheels 10.
The periphery of drive belt 11 is provided with guide rail 12, and the top sliding connection of guide rail 12 has movable block 13, and the one end of movable block 13 is connected with drive belt 11, and movable block 13 is provided with two, and temperature sensor 3 sets up on movable block 13, and the perpendicular distance of drive belt 11 and guide rail 12 all equals, and the movable block 13 of being convenient for drives temperature sensor 3 and rotates.
The temperature sensor 3 and the alarm 8 are electrically connected with the PLC 7, the temperature sensor 3 transmits the monitored temperature data to the PLC 7, if the temperature data is higher than a preset value, the PLC 7 starts the alarm 8 to prompt staff, and if the temperature data is lower than the preset value, the monitoring is continued.
The specific working principle is as follows: when the electric equipment 2 works, the electric equipment 2 needs to be subjected to partial discharge monitoring, the exhaust fan 5 dissipates heat in the switch cabinet body 1, meanwhile, the driving motor 9 is started, the driving motor 9 drives the driving wheel 10 to rotate, the driving belt 11 is further driven to rotate, the moving block 13 and the temperature sensor 3 connected to the driving belt 11 also slide on the guide rail 12 along with the driving belt, monitoring of different positions of the electric equipment 2 is achieved, accuracy of monitoring data is improved, when the electric equipment 2 is subjected to partial discharge and local temperature rise, the temperature sensor 3 transmits the monitored data to the PLC controller 7, and when the data is higher than a preset value, the PLC controller 7 controls the alarm 8 to start alarm so as to prompt workers to overhaul the electric equipment 2.
Therefore, the switch cabinet partial discharge monitoring device adopting the structure can perform partial discharge monitoring on different positions of electrical equipment, ensure that the occurrence of partial discharge is monitored in the first time, and prompt staff to overhaul through the alarm.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (6)
1. The utility model provides a monitoring devices is put in switch cabinet office, includes the switch cabinet body and sets up the inside electrical equipment of switch cabinet body, its characterized in that: the switch cabinet is characterized in that moving mechanisms and monitoring mechanisms are arranged on the inner sides of the front side wall and the rear side wall of the switch cabinet body, through holes are formed in the left side wall and the right side wall of the switch cabinet body, an exhaust fan is arranged in the through holes, a filter screen is arranged on one side, far away from electrical equipment, of the exhaust fan, the filter screen is connected to the side wall of the switch cabinet body, a PLC (programmable logic controller) is arranged above the through holes, and an alarm is arranged at the top of the switch cabinet body.
2. The switchgear partial discharge monitoring device of claim 1, wherein: the moving mechanism comprises driving motors, driving wheels and driving belts, wherein the driving wheels are arranged in four, the driving motors are arranged on the side wall of the switch cabinet body, an output shaft of each driving motor is connected with any driving wheel, and the driving belts are sleeved on the peripheries of the four driving wheels.
3. The switchgear partial discharge monitoring device of claim 2, wherein: the periphery of the driving belt is provided with a guide rail, a moving block is connected above the guide rail in a sliding manner, one end of the moving block is connected with the driving belt, and two moving blocks are arranged.
4. A switchgear partial discharge monitoring device according to claim 3, characterized in that: the monitoring mechanism comprises a temperature sensor which is arranged on the moving block.
5. The switchgear partial discharge monitoring device of claim 4, wherein: the four driving wheels are symmetrically arranged in pairs, and the vertical distances between the driving belt and the guide rail are equal.
6. The switchgear partial discharge monitoring device of claim 5, wherein: and the temperature sensor and the alarm are electrically connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323252126.1U CN221465672U (en) | 2023-11-30 | 2023-11-30 | Monitoring devices is put in cubical switchboard office |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323252126.1U CN221465672U (en) | 2023-11-30 | 2023-11-30 | Monitoring devices is put in cubical switchboard office |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221465672U true CN221465672U (en) | 2024-08-02 |
Family
ID=92360504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323252126.1U Active CN221465672U (en) | 2023-11-30 | 2023-11-30 | Monitoring devices is put in cubical switchboard office |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221465672U (en) |
-
2023
- 2023-11-30 CN CN202323252126.1U patent/CN221465672U/en active Active
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