CN114374154A - GCS type low-voltage distribution cabinet - Google Patents
GCS type low-voltage distribution cabinet Download PDFInfo
- Publication number
- CN114374154A CN114374154A CN202210041308.5A CN202210041308A CN114374154A CN 114374154 A CN114374154 A CN 114374154A CN 202210041308 A CN202210041308 A CN 202210041308A CN 114374154 A CN114374154 A CN 114374154A
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- China
- Prior art keywords
- distribution cabinet
- power distribution
- cabinet body
- temperature
- low temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a GCS type low-voltage power distribution cabinet, which is provided with a power distribution cabinet body, wherein one side wall of the power distribution cabinet body is provided with a closed door, the side wall of the power distribution cabinet body, which is adjacent to the closed door, is uniformly provided with a first group of ventilation holes, the closed door is uniformly provided with a second group of ventilation holes, a high-low temperature limiting component is arranged in the power distribution cabinet body and positioned at the first group of ventilation holes, the high-low temperature limiting component plays a role in heat dissipation in the power distribution cabinet body by increasing the air flow in the power distribution cabinet body, the high-low temperature limiting component is heated by a heating element to enter the air flow in the power distribution cabinet body so as to increase the heat in the power distribution cabinet body, a temperature sensor is arranged in the power distribution cabinet body, the high-low temperature limiting component and the temperature sensor are both electrically connected with an external controller, the temperature signal in the power distribution cabinet body is transmitted to the controller, and the controller controls the working state of the high-low temperature limiting component according to the temperature value, the power distribution cabinet can be suitable for high-temperature or low-temperature environments, and is wider in application range.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a GCS type low-voltage power distribution cabinet.
Background
The GCS type low-voltage power distribution cabinet is a low-voltage draw-out type switch cabinet which is designed and developed by two united design groups according to the requirements of industry governing departments, vast power consumers and design units, accords with the national conditions of China, has higher technical performance indexes, can meet the development requirements of the power market, and can compete with the existing introduced products. The device is suitable for power distribution systems in industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like. The system is also suitable for low-voltage complete power distribution devices which have high automation degree and are required to be used in places with computer interfaces, power distribution in power supply systems, centralized control of motors and reactive power compensation, such as large-scale power plants, petrochemical systems and the like. The inside components and parts of current GCS type low-voltage distribution cabinet are many, and main parts such as circuit breaker, condenser and strapping table are constituteed, and most all are relevant with electric power system, and the temperature is one of the key factor of making a sound the switch board operation, and whether the high temperature or the too low all be unsuitable for the switch board work of crossing, and some inside components of switch board all have service conditions, and the operating condition of most components is: the upper limit of the ambient air temperature is not more than 40 ℃ and the lower limit of the ambient air temperature is not less than-25 ℃. Many switch boards are all in outdoor operation, not only receive the direct irradiation of sunshine and produce high temperature, and self also can produce the heat in the operation simultaneously, so in midsummer high temperature season, need control the interior temperature upper limit of switch board box, and in cold season, also need control the interior temperature lower limit of switch board to prevent that the interior electrical components of switch board case from breaking down. The heat dissipation performance and the temperature control performance of the conventional GCS type low-voltage power distribution cabinet are general, and therefore the GCS type low-voltage power distribution cabinet is provided.
Disclosure of Invention
The invention aims to provide a GCS type low-voltage power distribution cabinet to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a GCS type low-voltage power distribution cabinet comprises a power distribution cabinet body, wherein drawer units are uniformly arranged on the power distribution cabinet body, the drawer units form a low-voltage draw-out type switch cabinet on the power distribution cabinet body, a closed door is arranged on one side wall of the power distribution cabinet body, a first group of ventilation holes are uniformly formed in the side wall, close to the closed door, of the power distribution cabinet body, a second group of ventilation holes are uniformly formed in the closed door, the first group of ventilation holes and the second group of ventilation holes are arranged in a matched mode and used for ventilation and heat dissipation in the power distribution cabinet body, high and low temperature limiting assemblies are arranged in the power distribution cabinet body and located at the first group of ventilation holes, the high and low temperature limiting assemblies play a role in dissipating heat in the power distribution cabinet body by increasing air flowing in the power distribution cabinet body, the high and low temperature limiting assemblies heat air flow in the power distribution cabinet body by arranging heating elements, thereby for the internal increase heat of switch board, the internal temperature sensor that is provided with of switch board, high low temperature restriction subassembly all is connected with the external control ware electricity with temperature sensor, the internal temperature signal of switch board is transmitted to the controller by temperature sensor, and the controller is according to temperature value control high low temperature restriction subassembly operating condition, temperature value are located under the state between high temperature limit value and the low temperature limit value, and the controller stops high low temperature restriction subassembly work, under the temperature value is higher than high temperature limit value state, the controller starts high low temperature restriction subassembly refrigeration, under the temperature value is less than low temperature limit value state, the controller starts high low temperature restriction subassembly heats, and this switch board can be applicable to under high temperature or the low temperature environment, and application range is wider.
Preferably, the high-low temperature limiting assembly comprises a fixed frame groove, the fixed frame groove is fixedly connected to the inner side wall of the power distribution cabinet body, the side wall of the fixed frame groove, which is opposite to the first group of ventilation holes, is of a net structure, the net structure can keep air circulation and can block large-particle dust entering the power distribution cabinet body, a ventilation fan blade is arranged inside the fixed frame groove, a motor for driving the fan blade is installed on the side wall of the fixed frame groove, a heating fin assembly is fixedly connected to the side wall of the fixed frame groove, the motor and the heating fin assembly are both electrically connected with external control, a temperature signal in the power distribution cabinet body is transmitted to the controller by a temperature sensor, the controller controls the working state of the high-low temperature limiting assembly according to a temperature value, and the temperature value is between a high-temperature limit value and a low-temperature limit value, the controller stops high low temperature restriction subassembly work, and under the temperature value was higher than high temperature limit value state, the controller started the internal air cycle of cabinet is accelerated in motor work to play the cooling effect, under the temperature value was less than low temperature limit value state, the controller started when the motor heating fin subassembly work heats, thereby blows hot air to the internal heating of cabinet.
Preferably, the heating fin assembly comprises a transverse electric heating plate, electric heating fins are uniformly and fixedly connected to the transverse electric heating plate, and the heating fin assembly is higher in heating efficiency due to the arrangement of the plurality of electric heating fins.
Preferably, the inside wall symmetry fixedly connected with draw runner of closed door, sliding connection has the deep bead on the draw runner, the deep bead is located under the upside position state, the second group ventilation hole is whole open mode, the deep bead is located under the downside position state, the second group ventilation hole is partial open mode, the deep bead with interference sliding connection between the draw runner, the deep bead is hovering under no exogenic action on the draw runner, works as when high low temperature restriction subassembly heats, can with the deep bead moves down, blocks the part the second group ventilation hole reduces the steam and flows, further guarantees the effect of heating.
Preferably, the lateral wall upper end fixedly connected with of the distribution cabinet body is waterproof eaves, the setting of waterproof eaves is used for placing the ventilation hole and advances the rainwater.
Preferably, the waterproof eaves are formed by connecting waterproof baffle and gusset plate integrated into one piece, waterproof baffle with the tip of gusset plate all with the lateral wall fixed connection of the distribution cabinet body, the gusset plate is right waterproof baffle plays the fixed action.
Preferably, the end fixedly connected with connecting plate of fixed frame groove, the connecting plate with the inside wall fixed connection of the distribution cabinet body, the setting of connecting plate is convenient for fixed frame groove with fixed connection between the inside wall of the distribution cabinet body.
Compared with the prior art, the invention has the beneficial effects that: the low-voltage draw-out type switch cabinet is provided with a power distribution cabinet body, drawer units are uniformly arranged on the power distribution cabinet body, the drawer units form a low-voltage draw-out type switch cabinet on the power distribution cabinet body, a closed door is arranged on one side wall of the power distribution cabinet body, a first group of ventilation holes are uniformly formed in the side wall of the power distribution cabinet body, which is close to the closed door, a second group of ventilation holes are uniformly formed in the closed door, the first group of ventilation holes and the second group of ventilation holes are arranged in a matched mode and used for ventilation and heat dissipation in the power distribution cabinet body, high and low temperature limiting assemblies are arranged in the power distribution cabinet body and are positioned at the first group of ventilation holes, the high and low temperature limiting assemblies play a role in heat dissipation in the power distribution cabinet body by increasing air flow in the power distribution cabinet body, the high and low temperature limiting assemblies are heated by arranging heating elements to enter air flow in the power distribution cabinet body, so as to increase heat in the power distribution cabinet body, a temperature sensor is arranged in the power distribution cabinet body, and the high and low temperature limiting assemblies are electrically connected with an external controller, the internal temperature signal of switch board is transmitted to the controller by temperature sensor, the controller is according to temperature value control high low temperature restriction subassembly operating condition, the temperature value is located under the state between high temperature limit value and the low temperature limit value, the controller stops high low temperature restriction subassembly work, the temperature value is higher than under the high temperature limit value state, the controller starts high low temperature restriction subassembly refrigeration, the temperature value is less than under the low temperature limit value state, the controller starts high low temperature restriction subassembly and heats, this switch board can be applicable to under high temperature or the low temperature environment, application range is wider.
Drawings
FIG. 1 is a schematic view of a first perspective of a main structure of the present invention;
FIG. 2 is a second perspective view of the main structure of the present invention;
FIG. 3 is a partial cross-sectional view of the interior of the power distribution cabinet body of the present invention;
FIG. 4 is a schematic diagram of the high and low temperature limiting assemblies of the present invention;
FIG. 5 is a schematic view of the structure of the transverse electric heating plate and the electric heating fins of the present invention;
FIG. 6 is a schematic view of the windshield of the present invention in position over the top side of the closure door;
figure 7 is a schematic view of the position of a wind deflector of the invention on the underside of a closure door.
In the figure: 1-a power distribution cabinet body, 2-a drawer unit, 3-a closed door, 4-a first group of vent holes, 5-a second group of vent holes, 6-a high-low temperature limiting component, 601-a fixed frame groove, 602-a fan blade, 603-a motor, 7-a transverse electric heating plate, 8-an electric heating fin, 9-a sliding strip, 10-a wind shield, 11-a waterproof eave, 111-a waterproof baffle, 112-a reinforcing plate and 12-a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: a GCS type low-voltage power distribution cabinet comprises a power distribution cabinet body 1, wherein drawer units 2 are uniformly arranged on the power distribution cabinet body 1, the drawer units 2 form a low-voltage draw-out type switch cabinet on the power distribution cabinet body 1, a closed door 3 is arranged on one side wall of the power distribution cabinet body 1, a first group of vent holes 4 are uniformly formed in the side wall of the power distribution cabinet body 1 adjacent to the closed door 3, a second group of vent holes 5 are uniformly formed in the closed door 3, the first group of vent holes 4 and the second group of vent holes 5 are arranged in a matched mode and used for ventilation and heat dissipation in the power distribution cabinet body 1, high and low temperature limiting assemblies 6 are arranged in the power distribution cabinet body 1 and are positioned at the first group of vent holes 4, and the high and low temperature limiting assemblies 6 play a role in dissipating heat of the power distribution cabinet body 1 by increasing air flow in the power distribution cabinet body 1, the high and low temperature limiting component 6 is heated by a heating element to enter the distribution cabinet body 1 to increase heat in the distribution cabinet body 1, a temperature sensor is arranged in the distribution cabinet body 1, the high and low temperature limiting component 6 and the temperature sensor are both electrically connected with an external controller, a temperature signal in the distribution cabinet body 1 is transmitted to a controller by the temperature sensor, the controller controls the working state of the high and low temperature limiting component 6 according to a temperature value, the temperature value is between a high temperature limit value and a low temperature limit value, the controller stops the high and low temperature limiting component 6 to work, the controller starts the high and low temperature limiting component 6 to refrigerate when the temperature value is higher than the high temperature limit value, the controller starts the high and low temperature limiting component 6 to heat when the temperature value is lower than the low temperature limit value, and the distribution cabinet can be suitable for high temperature or low temperature environment, the application range is wider.
Specifically, the high-low temperature limiting component 6 includes a fixed frame groove 601, the fixed frame groove 601 is fixedly connected to the inner side wall of the power distribution cabinet body 1, the side wall of the fixed frame groove 601 opposite to the first group of ventilation holes 4 is a mesh structure, the mesh structure can keep air circulation and can block large particle dust entering the power distribution cabinet body 1, a ventilation fan blade 602 is arranged inside the fixed frame groove 601, a motor 603 for driving the fan blade 602 is mounted on the side wall of the fixed frame groove 601, a heating fin component is fixedly connected to the side wall of the fixed frame groove 601, wherein the motor 603 and the heating fin component are electrically connected with external control, a temperature signal in the power distribution cabinet body 1 is transmitted to a controller by a temperature sensor, and the controller controls the working state of the high-low temperature limiting component 6 according to a temperature value, under the state that the temperature value is located between high temperature limit value and the low temperature limit value, the controller stops high low temperature limit subassembly 6 work, under the temperature value was higher than high temperature limit value state, the controller started the internal air cycle of cabinet is accelerated in the work of motor 603 to play the cooling effect, under the temperature value was less than low temperature limit value state, the controller started when motor 603 heat fin assembly work and heat, thereby blow hot-blast heating to the internal of cabinet.
Particularly, the heating fin assembly comprises a transverse electric heating plate 7, electric heating fins 8 are uniformly and fixedly connected to the transverse electric heating plate 7, and the heating fin assembly is higher in heating efficiency due to the arrangement of the electric heating fins 8.
Particularly, the inside wall symmetry fixedly connected with draw runner 9 of closing door 3, sliding connection has deep bead 10 on the draw runner 9, deep bead 10 is located under the upside position state, second group ventilation hole 5 is whole open mode, deep bead 10 is located under the downside position state, second group ventilation hole 5 is the partial open mode, deep bead 10 with interference sliding connection between the draw runner 9, deep bead 10 can hover under no exogenic action on the draw runner 9, work as when high low temperature restriction subassembly 6 heats, can with deep bead 10 shifts down, blocks the part the second group ventilation hole 5 reduces the steam outflow, further guarantees the effect of heating.
Particularly, the lateral wall upper end fixedly connected with of the distribution cabinet body 1 is waterproof eaves 11, the setting of waterproof eaves 11 is used for placing the ventilation hole into the rainwater.
Specifically, waterproof eaves 11 is formed by connecting waterproof baffle 111 and gusset plate 112 integrated into one piece, waterproof baffle 111 with gusset plate 112's tip all with the lateral wall fixed connection of distribution cabinet body 1, gusset plate 112 is right waterproof baffle 111 plays the fixed action.
Particularly, the tip fixedly connected with connecting plate 12 of fixed frame groove 601, connecting plate 12 with the inside wall fixed connection of the distribution cabinet body 1, the setting of connecting plate 12 is convenient for fixed frame groove 601 with fixed connection between the inside wall of the distribution cabinet body 1.
The working principle is as follows: the low-voltage draw-out type switch cabinet is provided with a power distribution cabinet body 1, drawer units 2 are uniformly arranged on the power distribution cabinet body 1, the drawer units 2 form a low-voltage draw-out type switch cabinet on the power distribution cabinet body 1, a closed door 3 is arranged on one side wall of the power distribution cabinet body 1, a first group of vent holes 4 are uniformly formed in the side wall of the power distribution cabinet body 1 adjacent to the closed door 3, a second group of vent holes 5 are uniformly formed in the closed door 3, the first group of vent holes 4 and the second group of vent holes 5 are arranged in a matched mode and used for ventilation and heat dissipation in the power distribution cabinet body 1, high-temperature and low-temperature limiting components 6 are arranged in the power distribution cabinet body 1 and located at the first group of vent holes 4, the high-temperature and low-temperature limiting components 6 play a role in dissipating heat in the power distribution cabinet body 1 by increasing air flow in the power distribution cabinet body 1, the high-temperature and low-temperature limiting components 6 enter the power distribution cabinet body 1 by heating through setting and heating elements so as to increase heat in the power distribution cabinet body 1, be provided with temperature sensor in the distribution cabinet body 1, high low temperature restriction subassembly 6 all is connected with the external control ware electricity with temperature sensor, temperature signal transmits to the controller by temperature sensor in the distribution cabinet body 1, the controller is according to the 6 operating condition of temperature value control high low temperature restriction subassembly, the temperature value is located under the state between high temperature limit value and the low temperature limit value, the controller stops high low temperature restriction subassembly 6 work, the temperature value is higher than under the high temperature limit value state, the controller starts the refrigeration of high low temperature restriction subassembly 6, the temperature value is less than under the low temperature limit value state, the controller starts the heating of high low temperature restriction subassembly 6, this switch board can be applicable to under high temperature or the low temperature environment, application range is wider.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a GCS type low-voltage distribution cabinet which characterized in that: the temperature control cabinet comprises a power distribution cabinet body (1), wherein drawer units (2) are uniformly arranged on the power distribution cabinet body (1), a closed door (3) is arranged on one side wall of the power distribution cabinet body (1), a first group of ventilation holes (4) are uniformly formed in the side wall, close to the closed door (3), of the power distribution cabinet body (1), a second group of ventilation holes (5) are uniformly formed in the closed door (3), a high-low temperature limiting component (6) is arranged in the power distribution cabinet body (1) and at the position close to the first group of ventilation holes (4), a temperature sensor is arranged in the power distribution cabinet body (1), the high-low temperature limiting component (6) and the temperature sensor are electrically connected with an external controller, temperature signals in the power distribution cabinet body (1) are transmitted to the controller by the temperature sensor, and the controller controls the working state of the high-low temperature limiting component (6) according to temperature values, under the state that the temperature value is located between high temperature limit value and the low temperature limit value, the controller stops high low temperature restriction subassembly (6) work, and under the temperature value was higher than high temperature limit value state, the controller started high low temperature restriction subassembly (6) refrigeration, under the temperature value was less than low temperature limit value state, the controller started high low temperature restriction subassembly (6) heat.
2. A GCS-type low-voltage distribution cabinet according to claim 1, characterized in that: high low temperature restriction subassembly (6) are including fixed frame groove (601), fixed frame groove (601) fixed connection in on the inside wall of the distribution cabinet body (1), fixed frame groove (601) go up and with the relative lateral wall in first group ventilation hole (4) is network structure, the inside in fixed frame groove (601) is provided with logical fan leaf (602), install on the lateral wall in fixed frame groove (601) and be used for the drive motor (603) of fan leaf (602), fixedly connected with heating fin subassembly on the lateral wall in fixed frame groove (601).
3. A GCS-type low-voltage distribution cabinet according to claim 2, characterized in that: the heating fin component comprises a transverse electric heating plate (7), and electric heating fins (8) are uniformly and fixedly connected to the transverse electric heating plate (7).
4. A GCS-type low-voltage distribution cabinet according to any one of claims 1 to 3, characterized in that: the inside wall symmetry fixedly connected with draw runner (9) of closed door (3), sliding connection has deep bead (10) on draw runner (9), deep bead (10) are located under the upside position state, second group ventilation hole (5) are all open states, deep bead (10) are located under the downside position state, second group ventilation hole (5) are the partial open state.
5. A GCS type low-voltage power distribution cabinet according to claim 4, characterized in that: the upper end of the outer side wall of the power distribution cabinet body (1) is fixedly connected with a waterproof eaves (11).
6. A GCS type low-voltage power distribution cabinet according to claim 5, characterized in that: waterproof eaves (11) are formed by connecting waterproof baffle (111) and gusset plate (112) integrated into one piece, waterproof baffle (111) with the tip of gusset plate (112) all with the lateral wall fixed connection of the distribution cabinet body (1).
7. A GCS-type low-voltage distribution cabinet according to claim 2, characterized in that: the end part of the fixed frame groove (601) is fixedly connected with a connecting plate (12), and the connecting plate (12) is fixedly connected with the inner side wall of the power distribution cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041308.5A CN114374154A (en) | 2022-01-14 | 2022-01-14 | GCS type low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041308.5A CN114374154A (en) | 2022-01-14 | 2022-01-14 | GCS type low-voltage distribution cabinet |
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| Publication Number | Publication Date |
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| CN114374154A true CN114374154A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210041308.5A Pending CN114374154A (en) | 2022-01-14 | 2022-01-14 | GCS type low-voltage distribution cabinet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080105016A (en) * | 2008-11-13 | 2008-12-03 | 한선화 | A switchgear with high efficiency using peltier module |
| CN204732759U (en) * | 2015-06-18 | 2015-10-28 | 沈阳铁路局沈阳供电段 | A kind of case becomes automatic temperature control system |
| CN105305261A (en) * | 2015-10-30 | 2016-02-03 | 国家电网公司 | Intelligent temperature-adjustable lighting distribution cabinet |
| CN206962317U (en) * | 2017-07-26 | 2018-02-02 | 陈铁 | The ventilating mechanisms of power distribution cabinet |
| CN212485863U (en) * | 2020-08-06 | 2021-02-05 | 民广电气科技有限公司 | APF active filter |
| CN214958018U (en) * | 2021-07-14 | 2021-11-30 | 大连华联电控设备有限公司 | Middle and low voltage power switch cabinet |
-
2022
- 2022-01-14 CN CN202210041308.5A patent/CN114374154A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080105016A (en) * | 2008-11-13 | 2008-12-03 | 한선화 | A switchgear with high efficiency using peltier module |
| CN204732759U (en) * | 2015-06-18 | 2015-10-28 | 沈阳铁路局沈阳供电段 | A kind of case becomes automatic temperature control system |
| CN105305261A (en) * | 2015-10-30 | 2016-02-03 | 国家电网公司 | Intelligent temperature-adjustable lighting distribution cabinet |
| CN206962317U (en) * | 2017-07-26 | 2018-02-02 | 陈铁 | The ventilating mechanisms of power distribution cabinet |
| CN212485863U (en) * | 2020-08-06 | 2021-02-05 | 民广电气科技有限公司 | APF active filter |
| CN214958018U (en) * | 2021-07-14 | 2021-11-30 | 大连华联电控设备有限公司 | Middle and low voltage power switch cabinet |
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