CN221009493U - Indoor high-voltage switch cabinet - Google Patents
Indoor high-voltage switch cabinet Download PDFInfo
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- CN221009493U CN221009493U CN202322607605.4U CN202322607605U CN221009493U CN 221009493 U CN221009493 U CN 221009493U CN 202322607605 U CN202322607605 U CN 202322607605U CN 221009493 U CN221009493 U CN 221009493U
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- pipeline
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- box
- contact box
- indoor high
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- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 238000007791 dehumidification Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 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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Abstract
The utility model discloses an indoor high-voltage switch cabinet which comprises a cabinet body, a contact box and a circuit breaker, wherein the contact box and the circuit breaker are arranged in the cabinet body, vent holes are formed in the side wall of the contact box, the vent holes are oppositely arranged up and down, an air inlet is formed in the top of the cabinet body, an air outlet is formed in the back surface or the side surface of the cabinet body, the vent holes in the upper part of the contact box are communicated with the air inlet through a first pipeline, and the vent holes in the lower part of the contact box are communicated with the air outlet through a second pipeline. According to the utility model, the air in the contact box and the air outside are circulated through the first pipeline and the second pipeline, so that a good ventilation and heat dissipation effect is ensured.
Description
Technical Field
The utility model relates to the technical field of electrical equipment. More particularly, the present utility model relates to an indoor high voltage switchgear.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and the like of a power system, and is used as an electric product with the voltage class of 3.6 kV-550 kV, and the high-voltage switch cabinet is used as a grounding switch, a high-voltage load switch, a high-voltage automatic superposition and sectionalizer, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The switch cabinet has the functions of overhead incoming and outgoing lines, cable incoming and outgoing lines, bus connection and the like. The method is mainly suitable for various different places 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.
The related requirements of the alternating current metal closed switch equipment standard are met by the existing indoor high-voltage switch cabinet, the novel alternating current metal closed switch equipment standard is composed of a cabinet body and a breaker, a bus assembly connected with the breaker is installed in the cabinet body, the bus assembly is connected with the breaker through a contact box and a contact arm structure of the breaker, the contact part of the contact box and the contact arm structure can generate heat in the operation process of the high-voltage switch cabinet, the contact box is a relatively closed space, the air flowability is poor, heat cannot be dissipated timely, the temperature inside the contact box can be increased, contact burning and outage accidents are easily caused when the heat dissipation of the switch cabinet is poor, accordingly, potential safety hazards are caused, and the service life of the high-voltage switch cabinet is influenced. In order to solve the above-mentioned problem, a device for indoor high-voltage switch cabinet is disclosed in the patent with 202320387031.1 application number, and the heat dissipation and ventilation are realized by arranging opposite ventilation holes on the contact box. However, various components such as a bus, a mutual inductor, a detection instrument and meter and the like are integrated in the indoor high-voltage switch cabinet, so that the air temperature in the indoor high-voltage switch cabinet is high, and the ventilation holes on the contact box are communicated with the indoor space of the indoor high-voltage switch cabinet, so that the heat dissipation effect is not ideal in practice.
Disclosure of utility model
It is an object of the present utility model to solve at least the above problems and to provide at least the advantages to be described later.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided an indoor high voltage switchgear comprising a cabinet body, a contact box and a circuit breaker arranged in the cabinet body, wherein vent holes arranged vertically opposite to each other are formed in the side wall of the contact box, an air inlet is formed in the top of the cabinet body, an air outlet is formed in the back or side surface of the cabinet body, the vent hole in the upper part of the contact box is communicated with the air inlet through a first pipeline, and the vent hole in the lower part of the contact box is communicated with the air outlet through a second pipeline.
Preferably, a fan for blowing air from the outside of the cabinet body to the inside of the first pipeline is arranged at the air inlet.
Preferably, the air inlet is further provided with a cyclone separator, an outlet of the fan is communicated with an inlet of the cyclone separator, an air outlet of the cyclone separator is communicated with the first pipeline, an ash layer outlet of the cyclone separator is connected with a third pipeline, and the third pipeline penetrates through the side face or the back face of the cabinet body.
Preferably, the fan is a centrifugal fan.
Preferably, a temperature sensor for detecting the temperature of the conductive contact is arranged in the contact box, and a control unit is further arranged in the cabinet body and is respectively connected with the temperature sensor and the fan.
Preferably, the first pipe, the second pipe and the third pipe are all insulated hoses.
Preferably, the first pipeline is further connected with a dehumidifying box in series, and the dehumidifying box is fixed at the top of the cabinet body.
Preferably, the top in the cabinet body is provided with a cover hole, the top cover of the dehumidification box is embedded in the cover hole, and the top cover of the dehumidification box is detachably connected so as to be convenient for replacing the dehumidifying agent in the dehumidification box.
The utility model at least comprises the following beneficial effects: according to the utility model, the air inlet is communicated with the vent hole at the upper part of the contact box through the first pipeline, and the air outlet is communicated with the vent hole at the lower part of the contact box through the second pipeline, so that the air inside the contact box and the air outside the contact box can circulate through the first pipeline and the second pipeline, thereby ensuring good ventilation and heat dissipation effects, and even if the temperature in the cabinet body is higher, the influence on the ventilation and heat dissipation effects in the contact box is smaller.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic side view of an indoor high-voltage switchgear according to an embodiment of the present utility model;
fig. 2 is a schematic side view of a high-voltage indoor switch cabinet according to another embodiment of the utility model;
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
As shown in fig. 1, the utility model provides an indoor high-voltage switch cabinet, which comprises a cabinet body 1, a contact box 2 and a circuit breaker 3, wherein the contact box 2 and the circuit breaker 3 are arranged in the cabinet body 1, vent holes which are arranged vertically opposite are formed in the side wall of the contact box 2, an air inlet is formed in the top of the cabinet body 1, an air outlet is formed in the back or side surface of the cabinet body 1, the vent holes in the upper part of the contact box 2 are communicated with the air inlet through a first pipeline 4, and the vent holes in the lower part of the contact box 2 are communicated with the air outlet through a second pipeline 5.
In the above embodiment, the air inlet is communicated with the vent hole on the upper portion of the contact box 2 through the first pipeline 4, the air outlet is communicated with the vent hole on the lower portion of the contact box 2 through the second pipeline 5, and thus, the air inside the contact box 2 and the air outside the contact box realize circulation through the first pipeline 4 and the second pipeline 5, thereby ensuring good ventilation and heat dissipation effects, and even if the temperature in the cabinet body 1 is higher, the influence on the ventilation and heat dissipation effects in the contact box 2 is smaller.
In another embodiment, as shown in fig. 2, a fan 6 is disposed at the air inlet to blow air from outside the cabinet body 1 into the first pipeline 4, when the temperature in the contact box 2 is high, external air can be sucked into the contact box 2 from the air inlet along the first pipeline 4 by starting the fan 6, and hot air in the contact box 2 is discharged out of the contact box 2 along the second pipeline 5, so that flow exchange between the air in the contact box 2 and the external air is realized, and the air cooling and the hot air discharging can be realized.
In the above embodiment, since the air entering from the air inlet has no filtering measure, the air entering the contact box 2 from the air inlet may have an ash layer, and further be deposited in the contact box 2 to affect the contact between the contact box 2 and the circuit breaker 3, if a fine filter screen is disposed at the air inlet, the air flow is blocked, and the ventilation and heat dissipation effects are affected, so the following embodiment is further improved.
In another embodiment, the air inlet is further provided with a cyclone separator 7, the cyclone separator 7 can be fixed at the inner top of the cabinet body 1 through a bracket, the outlet of the fan 6 is communicated with the inlet of the cyclone separator 7, the air outlet of the cyclone separator 7 is communicated with the first pipeline 4, the ash layer outlet of the cyclone separator 7 is connected with a third pipeline 8, and the third pipeline 8 passes through the side surface or the back surface of the cabinet body 1 (the third pipeline shown in fig. 2 passes through the side surface of the cabinet body), and here the third pipeline 8 is obliquely downwards arranged, so that an automatic ash layer discharging is realized.
In the above embodiment, the cyclone separator 7 separates the ash layer from the air sucked into the air inlet by the fan 6, and the cyclone separator 7 does not intercept the air channel as a filter screen to obstruct the air flow, so that the ash layer is separated, and the air is not blocked, and the ventilation and heat dissipation effects are not affected. The ash layer separated by the cyclone separator 7 can be discharged out of the cabinet body 1 through the third pipeline 8, and compared with the ash layer accumulation after the filter screen is used for a long time, the wind resistance is larger and larger, and the cyclone separator 7 has better effect.
In another embodiment, the fan 6 is a centrifugal fan 6, and when the centrifugal fan is installed, an inlet of the centrifugal fan 6 is communicated with the air inlet, and an outlet of the centrifugal fan 6 is communicated with an inlet of the cyclone separator 7. The centrifugal fan 6 is used here because the centrifugal fan 6 has a good ventilation effect and low noise.
In another embodiment, a temperature sensor 10 for detecting the temperature of the conductive contact is disposed in the contact box 2, a control unit is further disposed in the cabinet body 1, the control unit is respectively connected with the temperature sensor 10 and the fan 6, a temperature threshold is disposed in the control unit, when a temperature signal sent to the control unit by the temperature sensor 10 exceeds the temperature threshold, the control unit starts the fan 6 to ventilate and dissipate heat inside the contact box 2, and when a temperature signal sent to the control unit by the temperature sensor 10 is lower than the temperature threshold, the control unit shuts down the fan 6. In the embodiment, the control unit is arranged to automatically control the start and stop of the fan 6 according to the temperature in the contact box 2, so that the manual workload is reduced.
In another embodiment, the first pipe 4, the second pipe 5 and the third pipe 8 are all insulated hoses, so that the cabinet body 1 can be prevented from being electrified, the use safety is ensured, and meanwhile, the insulated hoses can be bent during installation, so that the space in the cabinet body 1 can be better adapted.
In another embodiment, the first pipe 4 is further connected with a dehumidifying box 9 in series, the dehumidifying box 9 is fixed on the top inside the cabinet body 1, and a dehumidifying agent is disposed inside the dehumidifying box 9, so as to adsorb moisture in air entering the dehumidifying box 9, and avoid the moisture from causing a short circuit.
Specifically, the top is provided with the lid hole in the cabinet body 1, the top cap of dehumidification box 9 is inlayed and is located in the lid hole, the connection can be dismantled to dehumidification box 9 top cap, so that change the dehumidification agent in the dehumidification box 9, here through opening the top cap of dehumidification box 9, just can take out the dehumidification agent that adsorbs the moisture saturation in the dehumidification box 9, need not to dismantle cabinet body 1 roof, put into the dehumidification box 9 with new dehumidification agent again, install the top cap of dehumidification box 9 can, use swiftly convenient.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. The utility model provides an indoor high tension switchgear, includes the cabinet body, sets up in the internal contact box of cabinet and circuit breaker, set up the ventilation hole that sets up relatively from top to bottom on the contact box lateral wall, its characterized in that, cabinet body top is provided with the air intake, cabinet body back or side are provided with the air outlet, the ventilation hole on contact box upper portion through first pipeline with the air intake intercommunication, the ventilation hole on contact box lower part through the second pipeline with the air outlet intercommunication.
2. The indoor high-voltage switch cabinet of claim 1, wherein a fan blowing air from outside the cabinet body into the first pipeline is arranged at the air inlet.
3. The indoor high-voltage switch cabinet of claim 2, wherein a cyclone separator is further arranged at the air inlet, an outlet of the fan is communicated with an inlet of the cyclone separator, an air outlet of the cyclone separator is communicated with the first pipeline, an ash layer outlet of the cyclone separator is connected with a third pipeline, and the third pipeline penetrates through the side face or the back face of the cabinet body.
4. The indoor high-voltage switchgear cabinet of claim 3, wherein the fan is a centrifugal fan.
5. The indoor high-voltage switch cabinet according to claim 3, wherein a temperature sensor for detecting the temperature of the conductive contact is arranged in the contact box, and a control unit is further arranged in the cabinet body and is respectively connected with the temperature sensor and the fan.
6. The indoor high-voltage switchgear according to claim 3, wherein the first, second and third pipes are all insulated hoses.
7. The indoor high-voltage switch cabinet of claim 1, wherein the first pipeline is further connected in series with a dehumidifying box, and the dehumidifying box is fixed at the top of the cabinet body.
8. The indoor high-voltage switch cabinet of claim 7, wherein a cover hole is formed in the top of the cabinet body, a top cover of the dehumidification box is embedded in the cover hole, and the top cover of the dehumidification box is detachably connected so as to facilitate replacement of a dehumidifying agent in the dehumidification box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607605.4U CN221009493U (en) | 2023-09-26 | 2023-09-26 | Indoor high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607605.4U CN221009493U (en) | 2023-09-26 | 2023-09-26 | Indoor high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009493U true CN221009493U (en) | 2024-05-24 |
Family
ID=91113081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322607605.4U Active CN221009493U (en) | 2023-09-26 | 2023-09-26 | Indoor high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009493U (en) |
-
2023
- 2023-09-26 CN CN202322607605.4U patent/CN221009493U/en active Active
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