CN220510578U - High-voltage fixing cabinet - Google Patents
High-voltage fixing cabinet Download PDFInfo
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- CN220510578U CN220510578U CN202321922635.8U CN202321922635U CN220510578U CN 220510578 U CN220510578 U CN 220510578U CN 202321922635 U CN202321922635 U CN 202321922635U CN 220510578 U CN220510578 U CN 220510578U
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- chamber
- air
- cabinet
- heat
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of power distribution equipment, in particular to a high-voltage fixed cabinet, which comprises a cabinet body, wherein a first cavity and a second cavity which are horizontally spaced are reserved in the cabinet body; the first chamber is internally and sequentially divided from top to bottom to form a cable chamber, a relay and instrument chamber and a secondary terminal chamber; the second chamber is internally provided with a main bus chamber and a breaker chamber from top to bottom in sequence, and the cabinet body is also provided with a main cabinet door and a side cabinet door which are respectively used for opening and closing the first chamber and the second chamber. The heat of the heating equipment is directly led out by adopting the contact type heat radiating device aiming at high-heat-production equipment such as an indoor circuit breaker or a switch of the circuit breaker, and the heat is taken away by airflow in the second air duct, so that the high-heat position is accurately radiated, and the temperature in the cabinet body is ensured to meet the normal working standard.
Description
Technical Field
The utility model relates to the technical field of power distribution equipment, in particular to a high-voltage fixed cabinet.
Background
The high-voltage fixed cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and the like of a power system, and is generally reserved with a main bus chamber, a breaker chamber, a cable chamber, a relay, an instrument chamber and the like.
In cabinets, circuit breakers and switches are critical components through which current flows, creating significant heat during operation.
At present, a cooling fan is generally arranged in a high-voltage fixed cabinet to promote air circulation and heat conduction, but the air circulation is possibly unsmooth due to the influence of the layout in the cabinet body, and air cannot be effectively introduced into and discharged out of the cabinet body only by the fan, particularly, if the heat is not timely discharged out, the situation of heating overload is easy to occur, and certain potential safety hazards exist and the service life of equipment is reduced.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a high-voltage fixed cabinet to solve the problem of poor heat dissipation effect of a breaker chamber in the high-voltage fixed cabinet.
The technical scheme for solving the technical problems is as follows: the high-voltage fixed cabinet comprises a cabinet body, wherein a first cavity and a second cavity which are horizontally spaced are reserved in the cabinet body; the first chamber is internally and sequentially divided from top to bottom to form a cable chamber, a relay and instrument chamber and a secondary terminal chamber; a main bus chamber and a breaker chamber are sequentially arranged in the second chamber from top to bottom, and a main cabinet door and a side cabinet door which are respectively used for opening and closing the first chamber and the second chamber are also arranged on the cabinet body; a heat dissipation cavity which is separated from the second cavity is reserved in the cabinet body;
a first air duct with the wind direction from bottom to top is formed in the second chamber;
a second air channel with the air direction from bottom to top is formed in the heat dissipation cavity, and a heat dissipation device which is in contact with the breaker indoor breaker is further arranged in the second air channel.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the heat dissipation chamber is provided with an air inlet and an air outlet screen plate along the air inlet section and the air outlet section of the first air channel respectively;
an air inlet screen plate is arranged between the breaker chamber and the heat dissipation chamber, and an air supply port is reserved between the air inlet screen plate and the main bus chamber;
and the main bus chamber is provided with an exhaust port along the exhaust section of the second air channel.
Further, an air inlet fan is arranged at the air inlet, a first exhaust fan is arranged at the air outlet, and a second exhaust fan positioned above the heat dissipation device is further arranged in the second air channel.
Further, the heat dissipation device comprises a heat conduction block; one side of the heat conducting block is provided with a heat conducting pad for contacting the circuit breaker, and the other side of the heat conducting block is provided with a plurality of radiating fins which are distributed at equal intervals.
Further, an upper guide plate and a lower guide plate which are distributed on the upper side and the lower side of the radiating fin are arranged in the second air duct; the upper guide plate gradually expands the air duct section of the second air duct along the radiating fin towards the exhaust direction; the lower guide plate gradually narrows the air channel section of the second air channel towards the radiating fin along the air inlet direction.
Further, the heat dissipation gap between the adjacent heat dissipation fins is consistent with the air supply direction of the second air duct.
Further, observation ports are reserved on the main cabinet door and the side cabinet doors.
Compared with the prior art, the high-voltage fixed cabinet provided by the utility model at least has the following components
The beneficial effects are that:
1) The heat of the heating equipment is directly led out by adopting the contact type heat radiating device aiming at high-heat-production equipment such as an indoor circuit breaker or a switch of the circuit breaker, and the heat is taken away by airflow in the second air duct, so that the high-heat position is accurately radiated, and the temperature in the cabinet body is ensured to meet the normal working standard.
2) The first air duct mainly adopts air circulation to promote the discharge of heat in the cabinet, and can simultaneously radiate heat of the main bus room and the breaker indoor equipment.
3) The whole high-voltage fixed cabinet is provided with the first chamber and the second chamber which are separated, and the main cabinet door and the side cabinet door are correspondingly additionally arranged, so that the normal assembly and side assembly requirements of the corresponding chambers are met, the independent assembly and maintenance conditions are provided for equipment in each chamber, and the front-stage assembly or the later-stage overhaul operation of workers is facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model from another perspective;
fig. 4 is a schematic partial structure of the heat dissipating device of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. 1.1 parts of cabinet body, 1.2 parts of cable chamber, 1.2 parts of relay and instrument chamber, 1.3 parts of secondary terminal chamber, 1.4 parts of main bus chamber, 1.5 parts of breaker chamber, 1.6 parts of air inlet, 1.7 parts of air supply outlet, 1.8 parts of air outlet, 2 parts of main cabinet door, 2.1 parts of side cabinet door, 3 parts of air outlet screen, 4 parts of air inlet screen, 5 parts of air inlet fan, 6 parts of first air outlet fan, 7 parts of second air outlet fan, 8 parts of heat conducting block, 9 parts of heat conducting pad, 10 parts of heat radiating fin, 11 parts of upper guide plate, 12 parts of lower guide plate.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1, fig. 2 and fig. 3, the high-voltage fixed cabinet of the present utility model includes a cabinet body 1, wherein a first chamber and a second chamber which are horizontally spaced are reserved in the cabinet body 1; the first chamber is sequentially divided from top to bottom to form a cable chamber 1.1, a relay chamber 1.2 and an instrument chamber 1.3; a main bus chamber 1.4 and a breaker chamber 1.5 are sequentially arranged in the second chamber from top to bottom, and the novel electric power cabinet is characterized in that a main cabinet door 2 and a side cabinet door 2.1 for opening and closing the first chamber and the second chamber are also arranged on the cabinet body 1; a heat dissipation chamber which is separated from the second chamber is reserved in the cabinet body 1. The whole high-voltage fixing cabinet is provided with the first chamber and the second chamber which are separated, and the main cabinet door 2 and the side cabinet door 2.1 are correspondingly additionally arranged, so that the normal assembly and side assembly requirements of the corresponding chambers are met, the conditions of independent assembly and maintenance are provided for equipment in each chamber, and the front-stage assembly or the later-stage overhaul operation of workers is facilitated.
The second chamber is internally provided with a first air channel with the air direction from bottom to top, the first air channel mainly adopts air circulation to promote the discharge of heat in the cabinet, and heat dissipation can be carried out on equipment in the main bus chamber 1.4 and the breaker chamber 1.5 at the same time.
A second air duct with the air direction from bottom to top is formed in the heat dissipation cavity, and a heat dissipation device which is in contact with the breaker in the breaker chamber 1.5 is further arranged in the second air duct. Aiming at high-heat-production equipment such as a breaker or a switch in the breaker chamber 1.5, a contact type heat radiating device is adopted to directly conduct out the heat of the heat-production equipment, and the heat is taken away by the air flow in the second air duct so as to accurately radiate the high-heat position, thereby ensuring that the temperature in the cabinet body meets the normal working standard.
It should be noted that, the cable room 1.1 is used for arranging cabinet control cables and external module devices; the relay and meter room 1.2 is used for installing relays and various measuring meters for monitoring and measuring parameters of the power system, such as current, voltage, power, etc. The secondary terminal chamber 1.3 is used for installing secondary power receiving equipment, a control device and the like. The main bus-bar chamber 1.4 is used for loading a conductive bus-bar system of a main power supply; the breaker chamber 1.5 is used for loading breakers and other switching devices, and is also a location in the cabinet where heat is mainly generated, and will not be described in detail here.
As an implementation mode, the heat dissipation chamber is provided with an air inlet 1.6 and an air outlet screen 3 along the air inlet section and the air outlet section of the first air channel respectively; the air flow in the first air channel enters from the air inlet 1.6 and flows out to the exhaust screen 3.
An air inlet screen plate 4 is arranged between the breaker chamber 1.5 and the heat dissipation chamber, and an air supply port 1.7 is reserved between the air inlet screen plate and the main bus chamber 1.4; the main bus room 1.4 is provided with an exhaust port 1.8 along the exhaust section of the second air duct. The air flow in the second air channel is led in by the air inlet screen plate 4, passes through the air outlet 1.8 and is discharged by the air outlet 1.8.
In order to promote the air circulation rate in the first air duct and the second air duct, in this embodiment, the air inlet 1.6 is provided with an air inlet fan 5, the air outlet 1.8 is provided with a first air outlet fan 6, and the second air duct is also provided with a second air outlet fan 7 above the heat dissipating device. The air inlet fan 5 sends ambient cold air into the first air channel and the second air channel, and the first air outlet fan 6 and the second air outlet fan 7 respectively discharge hot air flows in the first air channel and the second air channel.
As an embodiment, as shown in fig. 4, the heat dissipating device includes a heat conducting block 8; one side of the heat conducting block 8 is provided with a heat conducting pad 9 for contacting the circuit breaker, and the other side is provided with a plurality of heat radiating fins 10 which are distributed at equal intervals. The heat conducting block 8 and the heat radiating fin 10 are both made of copper, the heat conducting pad 9 can be a silica gel heat conducting pad or a metal heat conducting pad, the heat conducting pad 9 is directly contacted with a heat radiating part of a circuit breaker or a switch device, heat is conducted to the heat radiating fin 10 through the heat conducting block 8, and the air flow in the second air duct is fully contacted with the surface of the heat radiating fin 10 to take away the heat.
The heat dissipation gap between the adjacent heat dissipation fins 10 is consistent with the air supply direction of the second air duct, so that the normal passing of air flow is ensured.
In addition, an upper deflector 11 and a lower deflector 12 are arranged in the second air duct, and are distributed on the upper side and the lower side of the radiating fin 10; the upper guide plate 11 gradually expands the air duct section of the second air duct along the cooling fin 10 towards the exhaust direction; the lower guide plate 12 gradually narrows the air channel section of the second air channel towards the radiating fins 10 along the air inlet direction, and a flow shrinkage area is formed at the radiating fins 10 through the upper guide plate 11 and the lower guide plate 12, so that negative pressure difference can be formed when air flow in the second air channel passes through the radiating fins 10, and the air flow is accelerated, so that the heat exchange efficiency of the radiating fins 10 and the air flow is improved, and the heat dissipation effect of a circuit breaker in the circuit breaker chamber 1.5 is further improved.
As an implementation mode, the main cabinet door 2 and the side cabinet doors 2.1 are reserved with observation openings, toughened glass is arranged in the observation openings, and workers can visually check the working condition of the cabinet body equipment, so that active interference or debugging operation is facilitated.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The high-voltage fixed cabinet comprises a cabinet body (1), wherein a first cavity and a second cavity which are horizontally spaced are reserved in the cabinet body (1); the first chamber is sequentially divided into a cable chamber (1.1), a relay and instrument chamber (1.2) and a secondary terminal chamber (1.3) from top to bottom; a main bus chamber (1.4) and a breaker chamber (1.5) are sequentially arranged in the second chamber from top to bottom, and the novel electric power cabinet is characterized in that a main cabinet door (2) and a side cabinet door (2.1) for opening and closing the first chamber and the second chamber are further arranged on the cabinet body (1); a heat dissipation cavity which is separated from the second cavity is reserved in the cabinet body (1);
a first air duct with the wind direction from bottom to top is formed in the second chamber;
a second air duct with the air direction from bottom to top is formed in the heat dissipation cavity, and a heat dissipation device which is in contact with a breaker in the breaker chamber (1.5) is further arranged in the second air duct.
2. The high-voltage stationary cabinet according to claim 1, wherein,
the heat dissipation chamber is provided with an air inlet (1.6) and an air outlet screen (3) along the air inlet section and the air outlet section of the first air channel respectively;
an air inlet screen plate (4) is arranged between the breaker chamber (1.5) and the heat dissipation chamber, and an air supply opening (1.7) is reserved between the air inlet screen plate and the main bus chamber (1.4);
the main bus chamber (1.4) is provided with an exhaust port (1.8) along the exhaust section of the second air duct.
3. The high-voltage fixed cabinet according to claim 2, wherein an air inlet fan (5) is arranged at the air inlet (1.6), a first air exhaust fan (6) is arranged at the air outlet (1.8), and a second air exhaust fan (7) positioned above the heat dissipation device is further arranged in the second air duct.
4. The high-voltage stationary cabinet according to claim 1, characterized in that the heat dissipating means comprise a heat conducting block (8); one side of the heat conducting block (8) is provided with a heat conducting pad (9) for contacting the circuit breaker, and the other side is provided with a plurality of radiating fins (10) which are distributed at equal intervals.
5. The high-voltage fixed cabinet according to claim 4, wherein an upper deflector (11) and a lower deflector (12) which are distributed on the upper side and the lower side of the radiating fin (10) are also arranged in the second air duct; the upper guide plate (11) gradually expands the air duct section of the second air duct along the radiating fin (10) towards the exhaust direction; the lower guide plate (12) gradually narrows the air channel section of the second air channel towards the radiating fins (10) along the air inlet direction.
6. The high-voltage fixed cabinet according to claim 4, wherein the heat dissipation gap between the adjacent heat dissipation fins (10) is consistent with the air supply direction of the second air duct.
7. The high-voltage fixed cabinet according to claim 1, wherein observation ports are reserved on the main cabinet door (2) and the side cabinet doors (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922635.8U CN220510578U (en) | 2023-07-21 | 2023-07-21 | High-voltage fixing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922635.8U CN220510578U (en) | 2023-07-21 | 2023-07-21 | High-voltage fixing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510578U true CN220510578U (en) | 2024-02-20 |
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ID=89881862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321922635.8U Active CN220510578U (en) | 2023-07-21 | 2023-07-21 | High-voltage fixing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118487127A (en) * | 2024-07-11 | 2024-08-13 | 西电宝鸡电气有限公司 | Low-voltage switchgear for photovoltaic, power distribution room and transformer substation |
-
2023
- 2023-07-21 CN CN202321922635.8U patent/CN220510578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118487127A (en) * | 2024-07-11 | 2024-08-13 | 西电宝鸡电气有限公司 | Low-voltage switchgear for photovoltaic, power distribution room and transformer substation |
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