CN112993789A - Low-voltage power cabinet for electric power engineering - Google Patents
Low-voltage power cabinet for electric power engineering Download PDFInfo
- Publication number
- CN112993789A CN112993789A CN202110247615.4A CN202110247615A CN112993789A CN 112993789 A CN112993789 A CN 112993789A CN 202110247615 A CN202110247615 A CN 202110247615A CN 112993789 A CN112993789 A CN 112993789A
- Authority
- CN
- China
- Prior art keywords
- low
- cabinet
- heat dissipation
- power cabinet
- cabinet body
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H02B1/306—Accessories, e.g. windows
-
- 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 relates to the technical field of low-voltage power cabinets, and provides a low-voltage power cabinet which is used in a dust environment in a power engineering and ensures the heat dissipation of internal components. Including the low-voltage electric power cabinet body, the low-voltage electric power cabinet body is including components and parts room and clean room, the equal fixedly connected with heat dissipation framework in the left and right sides of the cabinet body, the components and parts room top and the cabinet body fixedly connected with the control unit of low-voltage electric power cabinet, the control unit is through the monitoring the heat dissipation condition of the indoor first ware of components and parts under the condition that the low-voltage electric power cabinet is in long-term operation, the control is opened the heat dissipation framework and is dispelled the heat to electric power cabinet inside. The control unit controls the dust removal framework of the dust removal chamber to be opened for dust removal operation by monitoring the dust raising conditions of components and parts of the component chamber and circuits so as to ensure the service life of electrical components in a dust environment.
Description
Technical Field
The invention relates to the technical field of electric power cabinets, in particular to a low-voltage electric power cabinet for electric power engineering.
Background
The low-voltage power cabinet is equipment which takes a power distribution system with rated voltage and current as power and realizes the functions of illumination and power distribution of electric energy replacement, has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriousness and practicability, novel structure and the like, and is widely applied in the market.
In actual use, the power cabinet has the characteristic of long-time continuous operation, and the low-voltage power cabinet for power engineering is generally placed in the open, because the placing environment of the power cabinet for engineering relates to high-temperature and dusty environment more, so the external environment can influence the environment inside the power cabinet, because the internal electrical components of the power cabinet are in long-time continuous operation, the electrical devices in the cabinet can generate a large amount of heat during operation, in the heat dissipation process, the airflow can bring the dust in the external environment, so that the dust in the cabinet can be gathered, and the factors can cause serious damage to the electronic components used in the severe outdoor environment for a long time, therefore, the low-voltage power cabinet for power engineering is provided, so as to solve the problems and prolong the service life of the low-voltage power cabinet.
Disclosure of Invention
Aiming at certain defect or some defects in the prior art, the invention provides a low-voltage power cabinet for power engineering.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
A low-voltage power cabinet for power engineering comprises a cabinet body, wherein the cabinet body comprises a component chamber and a dust removal chamber, and instruments in various forms are arranged in the component chamber; the left side and the right side of the cabinet body are both fixedly connected with a heat dissipation framework, and the top of the component chamber of the low-voltage power cabinet is fixedly connected with a control unit; the heat dissipation framework is movably connected with a heat dissipation fan; temperature sensor and dust particle sensor are installed to the control unit, temperature sensor passes through the control unit is connected with the radiator fan electricity, the dust particle sensor passes through the control unit with dust removal framework electricity in the clean room is connected.
Preferably, the low-voltage power cabinet body comprises a component chamber located above and a dust removal chamber located below, the component chamber and the dust removal chamber are vertically separated through a partition plate, and the dust removal framework is fixedly connected to the center of the partition plate.
Preferably, the dust removing framework comprises an air injection pore channel and a water injection pore channel which are fixedly connected above the partition plate, the air injection pore channel above the partition plate is communicated with an air pump box below the partition plate, and when the dust particle sensor monitors that the flying dust concentration in the component chamber exceeds a set threshold value, airflow is conveyed to the component chamber through a high-pressure air pump, so that the flying dust is prevented from being adhered to the surfaces of the components and the circuit;
preferably, when high compression pump carried the air current toward the components and parts room, began work with the water spray pore of water purification case intercommunication, utilized the water spray pore to the indoor steam after carrying the atomizing of components and parts for steam and raise dust effectively combine, finally fall on the baffle, effectively reduce the indoor raise dust concentration of components and parts fast, the normal work of protection device.
Preferably, the heat dissipation framework is movably connected with a heat dissipation fan, and the heat dissipation framework is fixedly connected to the left side or the right side cabinet body of the component chamber. When the temperature sensor monitors that the indoor temperature of the component exceeds a threshold value, the heat dissipation fan is started to suck out indoor hot air flow, so that outdoor cold air flow enters the component chamber, and the working temperature of the component is reduced.
Preferably, the heat dissipation framework and the dust removal framework can work simultaneously, so that the purposes of quickly cooling and cleaning the component chamber are achieved.
Preferably, the dust removal chamber is provided with a water purification tank and an air pump tank, the water purification tank is connected with the water spraying hole channel through a flexible pipeline, and the air pump tank is connected with the air spraying hole channel through a rigid pipeline.
Preferably, the upper surface of the partition board is provided with a water chute, and water flow can be discharged out of the cabinet body through the water chute.
Preferably, the cabinet body still includes the cabinet door, the fixed transparent observation window of embedding in cabinet door central authorities, transparent observation window is glass or PVC material, and the operating personnel accessible transparent observation window looks over low pressure electric power cabinet inside instrument operational aspect and dust. The glass window can be also provided with a handle, so that a worker can conveniently hold the handle to push and pull the cabinet door; the cabinet door and the cabinet body can be mutually connected through a permanent magnet which is fixedly arranged, and can also be connected through a spring rod and a lock catch; the joint of the cabinet door and the cabinet body is provided with a sealing strip.
Preferably, the cabinet door further comprises a manual dust removal switch, and the switch is electrically connected with the control unit and controls the heat dissipation framework and the dust removal framework to work.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the heat dissipation structure and the dust removal structure arranged in the cabinet body of the electric power cabinet, the internal temperature and dust raising conditions are monitored in real time in the working process of the low-voltage electric power cabinet, and the heat dissipation and dust removal operations are automatically carried out through the temperature sensor and the dust particle sensor, so that the working environment of components and circuits is ensured, and the safe and stable operation of equipment is ensured.
According to the invention, through the manual switch arranged on the cabinet door, the adjustment and control of workers outside are facilitated, and the operation is simple and rapid.
Drawings
Fig. 1 is a schematic structural diagram of a low-voltage power cabinet for power engineering.
Fig. 2 is a schematic structural diagram of a dust removal structure in a low-voltage power cabinet for power engineering.
Fig. 3 is a schematic structural diagram of a cabinet door in a low-voltage power cabinet for power engineering.
In the figure: 1-cabinet body, 2-component chamber, 3-dust chamber, 4-control unit, 5-heat dissipation framework, 6-dust removal framework, 7-heat dissipation fan, 8-temperature sensor, 9-dust particle sensor, 10-partition board, 20-air injection channel, 21-water injection channel, 30-water purification tank, 31-air pump tank, 40-cabinet door and 41-switch.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings 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.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, a low-voltage power cabinet for power engineering includes a cabinet body 1, where the cabinet body 1 includes a component chamber 2 and a dust chamber 3, and the component chamber 2 has various forms of instruments therein; the left side and the right side of the cabinet body 1 are both fixedly connected with a heat dissipation framework 5, and the top of the component chamber 2 of the low-voltage power cabinet and the cabinet body 1 are fixedly connected with a control unit 4; the heat dissipation framework 5 is movably connected with a heat dissipation fan 7; control unit 4 installs temperature sensor 8 and dust particle sensor 9, temperature sensor 8 passes through control unit 4 is connected with radiator fan 7 electricity, dust particle sensor 9 passes through control unit 4 with dust removal framework 6 electricity in the clean room 3 is connected.
The cabinet body 1 further comprises a cabinet door 40, a transparent observation window is fixedly embedded in the center of the cabinet door 40, and the transparent observation window is made of glass or PVC materials.
Low-voltage power cabinet body 1 is including the components and parts room 2 that are located the top and the clean room 3 that is located the below, components and parts room 3 with the clean room passes through baffle 10 and cuts off from top to bottom, 6 fixed connection of dust removal framework are in connecting baffle 10 central point and are put.
The dust removal framework 6 comprises an air injection pore passage 20 and a water injection pore passage 21 which are fixedly connected above a partition plate 10, the air injection pore passage 20 above the partition plate 10 is communicated with an air pump box 31 below the partition plate 10, and when the dust particle sensor 9 monitors that the concentration of the raised dust in the component chamber 2 exceeds a set threshold value, airflow is conveyed to the component chamber 2 through a high-pressure air pump in the air pump box 31, so that the raised dust is prevented from being adhered to the surfaces of devices and lines; when high compression pump carried the air current toward components and parts room 2, the water spray pore 20 with the water purification case 30 intercommunication began work, utilized water spray pore 20 to carry the steam after the atomizing in the components and parts room 2 for steam and raise dust effectively combine, finally fall on baffle 10, effectively reduce the indoor raise dust concentration of components and parts fast, the normal work of protection device. The upper surface of the partition board 10 is provided with a water chute, and water flow formed by falling on the partition board 10 after water vapor and raised dust are effectively combined can be discharged out of the cabinet body 1 through the water chute.
The heat dissipation framework 5 is movably connected with a heat dissipation fan 6, and the heat dissipation framework 5 is fixedly connected to the left side or the right side cabinet body 1 of the component chamber 2. When the temperature sensor 8 monitors that the temperature in the component chamber 2 exceeds a threshold value, the heat dissipation fan 7 is started to suck out indoor hot air, so that outdoor cold air enters the component chamber 2, and the working temperature of the component is reduced.
Example 2
On the basis of embodiment 1, heat dissipation framework 5 and dust removal framework 6 can simultaneous working, and in actual operating environment, raise dust and high temperature often appear simultaneously, and heat dissipation framework 5 and dust removal framework 6 simultaneous working can reach rapid cooling and wash the purpose of components and parts room 2.
The upper surface of the clapboard is provided with a water chute, and water flow can be discharged out of the cabinet body through the water chute. The dust chamber 3 is provided with a water purification tank 30 and an air pump tank 31, the water purification tank 30 is connected with the water spraying hole channel 20 through a flexible pipeline, and the air pump tank 31 is connected with the air spraying hole channel 21 through a rigid pipeline. The number of the water spraying channels 20 is 1, and the number of the air spraying channels 21 is 1-3.
The cabinet body 1 still includes cabinet door 40, the transparent observation window of the fixed embedding in cabinet door 40 central authorities, transparent observation window is glass or PVC material, and the operating personnel accessible transparent observation window looks over low pressure electric power cabinet inside instrument operational aspect and dust. The glass window can be also provided with a handle, so that a worker can conveniently hold the handle to push and pull the cabinet door; the cabinet door 40 and the cabinet body 1 can be connected with each other through a permanent magnet which is fixedly arranged, and can also be connected with each other through a spring rod and a lock catch; the joint of the cabinet door 40 and the cabinet body 1 is provided with a sealing strip.
The cabinet door 40 further comprises a manual dust removal switch 41, wherein the switch 41 is electrically connected with the control unit 4 and controls the heat dissipation framework 5 and the dust removal framework 6 to work.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a low-voltage electric power cabinet for electric power engineering, includes cabinet body (1), its characterized in that: the low-voltage power cabinet body comprises a component chamber (2) and a dust removal chamber (3), the left side and the right side of the cabinet body are fixedly connected with a heat dissipation framework (5), and the top of the component chamber of the low-voltage power cabinet is fixedly connected with a control unit (4) with the cabinet body; the heat dissipation framework (5) is movably connected with a heat dissipation fan (7); temperature sensor (8) and dust particle sensor (9) are installed to the control unit, temperature sensor (8) pass through the control unit is connected with radiator fan (7) electricity, dust particle sensor (9) ware passes through control unit (4) with dust removal framework (6) electricity in clean room (3) are connected.
2. The low-voltage power cabinet for power engineering of claim 1, wherein: the low-voltage power cabinet body (1) is including components and parts room (2) that are located the top and clean room (3) that are located the below, components and parts room (2) with clean room (3) cut off from top to bottom through baffle (10), dust removal framework (6) are fixed even to be connecing baffle (10) central point to put.
3. The low-voltage power cabinet for power engineering of claim 1, wherein: the dust removing framework (6) comprises an air spraying duct (20) and a water spraying duct (21) which are fixedly connected above the partition plate (10).
4. The low-voltage power cabinet for power engineering according to claim 2, wherein: the heat dissipation structure (5) is movably connected with a heat dissipation fan (7), and the heat dissipation structure (5) is fixedly connected to the left side or the right side cabinet body of the component chamber (2).
5. The low-voltage power cabinet for power engineering according to any one of claims 1 to 3, characterized in that: dust removal chamber (3) are provided with water purification case (30) and air pump case (31), water purification case (30) link to each other through the flexible conduit with water spray pore (21), air pump case (31) link to each other through the rigidity pipeline with jet-propelled pore (20).
6. The low-voltage power cabinet for power engineering of claim 5, wherein: the upper surface of the partition board (10) is provided with a water chute, and water flow can be discharged out of the cabinet body (1) through the water chute; the number of the water spraying channels (21) is 1, and the number of the air spraying channels (20) is 1-3.
7. The low-voltage power cabinet for electrical engineering according to claim 5, the cabinet body (1) further comprising: the cabinet door (40), the fixed transparent observation window of embedding in cabinet door (40) center, transparent observation window is glass or PVC material.
8. The low-voltage power cabinet for electrical engineering according to claim 7, the cabinet door (40) further comprising a manual dust removal switch (41), the switch (41) being electrically connected to the control unit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247615.4A CN112993789B (en) | 2021-03-06 | 2021-03-06 | Power engineering is with low tension electricity cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247615.4A CN112993789B (en) | 2021-03-06 | 2021-03-06 | Power engineering is with low tension electricity cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112993789A true CN112993789A (en) | 2021-06-18 |
| CN112993789B CN112993789B (en) | 2023-08-25 |
Family
ID=76353186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110247615.4A Active CN112993789B (en) | 2021-03-06 | 2021-03-06 | Power engineering is with low tension electricity cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112993789B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953250A (en) * | 2017-04-13 | 2017-07-14 | 上海广盟电气有限公司 | A kind of regulator cubicle automatic control system |
| CN107257096A (en) * | 2017-08-16 | 2017-10-17 | 安吉智居装饰设计工程有限公司 | A kind of outdoor building engineering electric power cabinet |
| CN107910755A (en) * | 2017-11-30 | 2018-04-13 | 安徽明辉电气有限公司 | A kind of low-voltage distribution cabinet with dedusting radiator |
| CN207427299U (en) * | 2017-09-21 | 2018-05-29 | 北京城建亚泰建设集团有限公司 | A kind of intelligent building construction camera |
| CN207834853U (en) * | 2018-01-31 | 2018-09-07 | 广州雷诺尔电气有限公司 | A kind of low-voltage comprehensive distribution switchgear cabinet |
| CN208142650U (en) * | 2018-05-18 | 2018-11-23 | 东北石油大学 | A kind of distribution box of automatic low-temp drying, dedusting |
| CN109045911A (en) * | 2018-09-06 | 2018-12-21 | 湖南松雅建设工程有限公司 | A kind of construction fugitive dust processing unit and its fugitive dust processing method |
| CN109952006A (en) * | 2019-04-19 | 2019-06-28 | 南京化学工业园热电有限公司 | A kind of executing agency's position feedback device |
| CN209805126U (en) * | 2019-05-10 | 2019-12-17 | 国网湖北省电力有限公司黄石供电公司 | Dustproof cooling outdoor electric power cabinet |
| CN209896476U (en) * | 2019-07-09 | 2020-01-03 | 重庆深长蓝嘉电力工程有限公司 | High just has dustproof looped netowrk cabinet of effect of security |
| WO2020124530A1 (en) * | 2018-12-18 | 2020-06-25 | 烟台三水电器有限公司 | Novel lighting distribution box |
| CN211321710U (en) * | 2019-10-25 | 2020-08-21 | 南京圣能达信息科技有限公司 | Intelligent electrical control device |
| CN212063231U (en) * | 2020-06-22 | 2020-12-01 | 赵艳双 | Electric automatization controlling means |
-
2021
- 2021-03-06 CN CN202110247615.4A patent/CN112993789B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953250A (en) * | 2017-04-13 | 2017-07-14 | 上海广盟电气有限公司 | A kind of regulator cubicle automatic control system |
| CN107257096A (en) * | 2017-08-16 | 2017-10-17 | 安吉智居装饰设计工程有限公司 | A kind of outdoor building engineering electric power cabinet |
| CN207427299U (en) * | 2017-09-21 | 2018-05-29 | 北京城建亚泰建设集团有限公司 | A kind of intelligent building construction camera |
| CN107910755A (en) * | 2017-11-30 | 2018-04-13 | 安徽明辉电气有限公司 | A kind of low-voltage distribution cabinet with dedusting radiator |
| CN207834853U (en) * | 2018-01-31 | 2018-09-07 | 广州雷诺尔电气有限公司 | A kind of low-voltage comprehensive distribution switchgear cabinet |
| CN208142650U (en) * | 2018-05-18 | 2018-11-23 | 东北石油大学 | A kind of distribution box of automatic low-temp drying, dedusting |
| CN109045911A (en) * | 2018-09-06 | 2018-12-21 | 湖南松雅建设工程有限公司 | A kind of construction fugitive dust processing unit and its fugitive dust processing method |
| WO2020124530A1 (en) * | 2018-12-18 | 2020-06-25 | 烟台三水电器有限公司 | Novel lighting distribution box |
| CN109952006A (en) * | 2019-04-19 | 2019-06-28 | 南京化学工业园热电有限公司 | A kind of executing agency's position feedback device |
| CN209805126U (en) * | 2019-05-10 | 2019-12-17 | 国网湖北省电力有限公司黄石供电公司 | Dustproof cooling outdoor electric power cabinet |
| CN209896476U (en) * | 2019-07-09 | 2020-01-03 | 重庆深长蓝嘉电力工程有限公司 | High just has dustproof looped netowrk cabinet of effect of security |
| CN211321710U (en) * | 2019-10-25 | 2020-08-21 | 南京圣能达信息科技有限公司 | Intelligent electrical control device |
| CN212063231U (en) * | 2020-06-22 | 2020-12-01 | 赵艳双 | Electric automatization controlling means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112993789B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106300025A (en) | A kind of multifunctional ligand grid automation device | |
| CN110571684B (en) | Electrical switch cabinet cooling system and control method | |
| CN203983792U (en) | A kind of novel quick heat radiating low-voltage comprehensive distribution box | |
| CN111355156A (en) | Low-voltage switch cabinet with detection device | |
| CN108649444A (en) | A kind of multi-chamber metal armouring central switch equipment | |
| CN112909770A (en) | Alternating current low-voltage power distribution cabinet | |
| CN207490385U (en) | A kind of open air Intelligent lower voltage switch cabinet | |
| CN207149968U (en) | A kind of Wind-cooling type Electric Appliance Cabinet | |
| CN112993789A (en) | Low-voltage power cabinet for electric power engineering | |
| CN111355159A (en) | Remote operation switch cabinet | |
| CN110730582A (en) | Refrigerating unit electrical appliance control box with built-in protection structure | |
| CN110808196A (en) | Electrical engineering distribution circuit breaker | |
| CN105320192A (en) | Automatic control device of large-power exhaust fan and heater | |
| CN209056443U (en) | Intelligent universal dustproof heat dissipation cover for circuit breaker | |
| CN209823236U (en) | High-voltage distribution system cooling system | |
| CN208522278U (en) | A kind of multi-chamber metal armouring central switch equipment | |
| CN209823225U (en) | Intelligent switch cabinet suitable for high-altitude area | |
| CN215452414U (en) | Lightning protection communication distribution cabinet mounting structure | |
| CN214124574U (en) | Novel switch cabinet structure with pressure relief protection | |
| CN215870292U (en) | Charging power supply screen | |
| CN214755048U (en) | Low-voltage draw-out type complete switch equipment with high breaking capacity | |
| CN212258187U (en) | Energy-saving heat dissipation type high-low voltage complete set power distribution cabinet | |
| CN211879858U (en) | Intelligent capacitance reactive power compensation device | |
| CN208571318U (en) | A kind of duct type temperature adjustment distribution box | |
| CN203594616U (en) | High-voltage indoor intelligent fan control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230801 Address after: 065500 East of Huake Village, Dongwan Township, Gu'an County, Langfang City, Hebei Province Applicant after: Zhongdian (Gu'an) Power Equipment Co.,Ltd. Address before: No.49 dingdingli, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Applicant before: Cao Xinxiang |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |