CN114300314A - Universal circuit breaker - Google Patents
Universal circuit breaker Download PDFInfo
- Publication number
- CN114300314A CN114300314A CN202210069359.9A CN202210069359A CN114300314A CN 114300314 A CN114300314 A CN 114300314A CN 202210069359 A CN202210069359 A CN 202210069359A CN 114300314 A CN114300314 A CN 114300314A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- fixedly connected
- bottom plate
- plate
- universal circuit
- 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.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the field of low-voltage electric appliances, and discloses an universal circuit breaker which comprises a bottom plate, wherein the left side and the right side of the top end of the bottom plate are both connected with lug plates through bolt threads, the left end and the right end of an outer shell are both rotatably connected with short columns through bearings, supporting rods are fixedly connected with the peripheries of the short columns, the top ends of the supporting rods are both fixedly connected with protective covers, the upper part of the inner wall of the bottom plate is fixedly connected with a heat dissipation plate, the middle parts of the supporting rods are fixedly connected with micro motors, and rotating blades are uniformly distributed on the periphery of a rotating shaft. According to the circuit breaker, the supporting rod rotates to drive the protective cover to rotate, the protective cover rotates to be parallel to the outer shell, and the protective cover just wraps the part of the circuit breaker main body exposed in the air, so that the purpose of preventing dust and water vapor in the air from entering the circuit breaker main body is achieved, the normal operation of the circuit breaker is guaranteed, and the circuit breaker is very convenient to use.
Description
Technical Field
The invention relates to the field of low-voltage electric appliances, in particular to a universal circuit breaker.
Background
The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and also can connect, bear a certain time and break the current under the specified abnormal circuit condition.
Chinese patent document CN213212079U discloses a universal circuit breaker, and the disadvantages of this patent include: firstly, the conventional circuit breaker is directly exposed in the air, and dust and vapor in the air enter into the inside of circuit breaker easily, cause the circuit breaker to damage, and secondly the long-time operation of circuit breaker internal plant can produce the heat, causes inside high temperature easily under the hot weather, influences the normal operating of circuit breaker, and it is very inconvenient to use.
Therefore, it is necessary to develop a conventional circuit breaker for solving at least one of the above-mentioned technical problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a universal circuit breaker.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an universal circuit breaker, includes the bottom plate, there is the otic placode all through bolt threaded connection in the left and right sides on bottom plate top, the equal fixedly connected with shell body in inboard of otic placode, both ends all are rotated through the bearing and are connected with the short column about the shell body, the equal fixedly connected with branch in periphery of short column, the equal fixedly connected with protection casing in top of branch, the upper portion fixedly connected with heating panel of bottom plate inner wall, the right side fixedly connected with pillar of bottom plate bottom inner wall, the middle part fixedly connected with micro motor of pillar, micro motor's drive end fixedly connected with pivot, the periphery evenly distributed of pivot has the swivel leaf.
As a further description of the above technical solution:
the middle part of the top end of the bottom plate is fixedly connected with a grid plate, and the top end of the grid plate is fixedly connected with a breaker main body.
As a further description of the above technical solution:
the front portion of the top end of the outer shell is fixedly connected with a limiting plate, and the outer shell wraps the breaker main body inside.
As a further description of the above technical solution:
the left and right sides on bottom plate top all is provided with the screw hole, bolt threaded connection is inside the screw hole.
As a further description of the above technical solution:
the protection casing is circular-arc, the front end of protection casing cover shell body.
As a further description of the above technical solution:
the heat dissipation plate is located the lower part of grid plate, the top fixed connection of pillar is in the bottom of heat dissipation plate.
As a further description of the above technical solution:
the left end of the bottom plate is uniformly distributed with air outlet holes, and the height of the air outlet holes is lower than that of the heat dissipation plate.
As a further description of the above technical solution:
air inlets are uniformly distributed at the right end of the bottom plate, and the heights of the air inlets are lower than those of the heat dissipation plate.
As a further description of the above technical solution:
the inner wall of the left end of the bottom plate is fixedly connected with an intercepting net, and the intercepting net covers the air outlet.
As a further description of the above technical solution:
the inner wall of the right end of the bottom plate is fixedly connected with a filter screen, and the filter screen covers the air inlet.
The invention has the following beneficial effects:
1. according to the circuit breaker, the short column is rotated firstly, the short column rotates to drive the support rod to rotate, then the support rod rotates to drive the protective cover to rotate, finally the protective cover rotates to the parallel outer shell, the top end of the protective cover contacts the limiting plate, the rotation stops, and at the moment, the protective cover just wraps the part of the circuit breaker main body exposed in the air, so that the purpose of preventing dust and water vapor in the air from entering the circuit breaker main body is achieved, the normal operation of the circuit breaker is guaranteed, and the circuit breaker is convenient to use.
2. According to the circuit breaker, firstly, heat dissipated by the circuit breaker main body in operation enters the bottom plate through gaps of the grid plates in hot weather, then the heat absorption temperature of the heat is raised by the heat dissipation plate, finally, the micro motor rotates to drive the rotating blades to rotate, the rotating blades rotate to drive air to flow, heat dissipation of the heat dissipation plate is accelerated, air enters from the air inlet hole and is discharged from the air outlet hole, the heat dissipated by the heat dissipation plate is taken away in the flowing process, the temperature of the heat dissipation plate is reduced, the purpose of heat dissipation of the circuit breaker main body is achieved, the service life of the circuit breaker is prolonged, and the circuit breaker is convenient to use.
Drawings
Fig. 1 is a front view of a conventional circuit breaker according to the present invention, illustrating the opened state of a flip cover;
fig. 2 is a front view of a conventional circuit breaker with a closed flip cover according to the present invention;
fig. 3 is a front view of a bottom plate of a conventional circuit breaker according to the present invention;
fig. 4 is a sectional view of a bottom plate of a conventional circuit breaker according to the present invention.
Illustration of the drawings:
1. a base plate; 2. a circuit breaker main body; 3. an outer housing; 4. an ear plate; 5. a bolt; 6. a bearing; 7. a short column; 8. a strut; 9. a protective cover; 10. a limiting plate; 11. an air outlet; 12. a grid plate; 13. a threaded hole; 14. a heat dissipation plate; 15. an intercepting net; 16. a filter screen; 17. a micro motor; 18. a pillar; 19. rotating the leaf; 20. a rotating shaft; 21. and (4) air inlet holes.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1-4, the invention provides a universal circuit breaker, which comprises a bottom plate 1, wherein the left side and the right side of the top end of the bottom plate 1 are both in threaded connection with lug plates 4 through bolts 5, the inner sides of the lug plates 4 are both fixedly connected with an outer shell 3, the outer shell 3 is fixed at the top end of the bottom plate 1 through the lug plates 4, the left end and the right end of the outer shell 3 are both rotatably connected with short columns 7 through bearings 6, supporting rods 8 are both fixedly connected to the peripheries of the short columns 7, protective covers 9 are both fixedly connected to the top ends of the supporting rods 8, and the protective covers 9 are made of transparent plastics, so that the operation condition of a circuit breaker main body 2 can be observed conveniently.
When the circuit breaker is used, the short column 7 is rotated, the short column 7 rotates to drive the supporting rod 8 to rotate, the supporting rod 8 rotates to drive the protective cover 9 to rotate, the protective cover 9 rotates to the parallel outer shell 3, the top end of the protective cover 9 contacts the limiting plate 10, the rotation is stopped, at the moment, the protective cover 9 just wraps the part of the circuit breaker main body 2 exposed in the air, the purpose of preventing dust and water vapor in the air from entering the circuit breaker main body 2 is achieved, the normal operation of the circuit breaker is ensured, the upper part of the inner wall of the bottom plate 1 is fixedly connected with the heat dissipation plate 14, the right side of the inner wall of the bottom end of the bottom plate 1 is fixedly connected with the supporting column 18, the middle part of the supporting column 18 is fixedly connected with the micro motor 17, the driving end of the micro motor 17 is fixedly connected with the rotating shaft 20, the rotating blades 19 are uniformly distributed on the periphery of the rotating shaft 20, heat dissipated by the circuit breaker main body 2 in the operation in hot weather enters the bottom plate 1, the heat dissipation plate 14 raises the heat absorption temperature, the micro motor 17 rotates to drive the rotating blade 19 to rotate, the rotating blade 19 rotates to drive air to flow, heat dissipation of the heat dissipation plate 14 is accelerated, air enters from the air inlet hole 21 and is discharged from the air outlet hole 11, heat dissipated by the heat dissipation plate 14 is taken away in the flowing process, the temperature of the heat dissipation plate 14 is reduced, the purpose of heat dissipation of the circuit breaker main body 2 is achieved, and the service life of the circuit breaker is prolonged.
Example two:
referring to fig. 1-4, in the universal circuit breaker provided in this embodiment, a grid plate 12 is fixedly connected to the middle of the top end of a bottom plate 1, a breaker main body 2 is fixedly connected to the top end of the grid plate 12, heat dissipated by the operation of the breaker main body 2 in hot weather enters the bottom plate 1 through a gap of the grid plate 12, a limiting plate 10 is fixedly connected to the front portion of the top end of an outer housing 3, and has a limiting effect on a shield 9, the breaker main body 2 is wrapped inside the outer housing 3, threaded holes 13 are formed in the left and right sides of the top end of the bottom plate 1, bolts 5 are screwed inside the threaded holes 13, so that the connection strength is increased, the shield 9 is arc-shaped, the shield 9 covers the front end of the outer housing 3, and just partially wraps the breaker main body 2 exposed to the air, so as to prevent dust and water vapor in the air from entering the breaker main body 2, and the heat dissipation plate 14 is located at the lower portion of the grid plate 12, to absorb heat, the top end of the support column 18 is fixedly connected to the bottom end of the heat dissipation plate 14.
Example three:
referring to fig. 1-4, in the universal circuit breaker provided by the invention, air outlet holes 11 are uniformly distributed at the left end of a bottom plate 1, the height of the air outlet holes 11 is lower than that of a heat dissipation plate 14, air inlet holes 21 are uniformly distributed at the right end of the bottom plate 1, the height of the air inlet holes 21 is lower than that of the heat dissipation plate 14, air enters from the air inlet holes 21 and is discharged from the air outlet holes 11, heat dissipated by the heat dissipation plate 14 is taken away in the flowing process, the temperature of the heat dissipation plate 14 is reduced, and the purpose of dissipating heat of a breaker main body 2 is achieved, a blocking net 15 is fixedly connected to the inner wall of the left end of the bottom plate 1, the blocking net 15 covers the air outlet holes 11 to prevent dust and impurities from entering the inside of the bottom plate 1 from the air outlet holes 11, a filter net 16 is fixedly connected to the inner wall of the right end of the bottom plate 1, and the filter net 16 covers the air inlet holes 21 to filter the flowing air.
The working principle is as follows: the short column 7 is rotated, the short column 7 rotates to drive the supporting rod 8 to rotate, the supporting rod 8 rotates to drive the protective cover 9 to rotate, the protective cover 9 rotates to the parallel outer shell 3, the top end of the protective cover 9 contacts the limiting plate 10, the rotation is stopped, at the moment, the protective cover 9 just wraps the part of the breaker main body 2 exposed in the air, the purpose of preventing dust and water vapor in the air from entering the breaker main body 2 is achieved, the normal operation of the breaker is ensured, the heat dissipated by the operation of the breaker main body 2 in hot weather enters the bottom plate 1 through the gaps of the grid plates 12, the heat absorption temperature of the heat dissipation plate 14 is increased, the micro motor 17 rotates to drive the rotating blades 19 to rotate, the rotating blades 19 rotate to drive the air to flow, the heat dissipation of the heat dissipation plate 14 is accelerated, the air enters from the air inlet hole 21 and is discharged from the air outlet hole 11, and the heat dissipated by the heat dissipation plate 14 is removed in the flowing process, the temperature of the heat dissipation plate 14 is reduced, the purpose of dissipating heat of the breaker main body 2 is achieved, the service life of the breaker is prolonged, and the breaker is convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A universal circuit breaker comprises a bottom plate (1), and is characterized in that: the utility model discloses a novel solar photovoltaic power generation device, including bottom plate (1), shell body (3), bearing (6), short column (7), the equal fixedly connected with branch (8) of periphery of short column (7), the equal fixedly connected with protection casing (9) in top of branch (8), the upper portion fixedly connected with heating panel (14) of bottom plate (1) inner wall, the right side fixedly connected with pillar (18) of bottom plate (1) bottom inner wall, the middle part fixedly connected with micro motor (17) of pillar (18), the drive end fixedly connected with pivot (20) of micro motor (17), the periphery evenly distributed of pivot (20) has rotatory leaf (19), the equal fixedly connected with shell body (3) in inboard of ear plate (4), both ends all rotate through bearing (6) and are connected with short column (7) about shell body (3).
2. Universal circuit breaker according to claim 1, characterized in that: the top end middle part fixedly connected with grid board (12) of bottom plate (1), the top fixedly connected with circuit breaker main part (2) of grid board (12).
3. Universal circuit breaker according to claim 1, characterized in that: the front portion of the top end of the outer shell (3) is fixedly connected with a limiting plate (10), and the outer shell (3) wraps the breaker main body (2) inside.
4. Universal circuit breaker according to claim 1, characterized in that: threaded holes (13) are formed in the left side and the right side of the top end of the bottom plate (1), and the bolts (5) are connected inside the threaded holes (13) in a threaded mode.
5. Universal circuit breaker according to claims 1-4, characterized in that: the protective cover (9) is arc-shaped, and the protective cover (9) covers the front end of the outer shell (3).
6. Universal circuit breaker according to claim 1, characterized in that: the heat dissipation plate (14) is located at the lower part of the grid plate (12), and the top ends of the support columns (18) are fixedly connected to the bottom end of the heat dissipation plate (14).
7. Universal circuit breaker according to claims 1 to 6, characterized in that: the left end of the bottom plate (1) is uniformly distributed with air outlet holes (11), and the height of the air outlet holes (11) is lower than that of the heat dissipation plate (14).
8. Universal circuit breaker according to claim 1, characterized in that: air inlets (21) are uniformly distributed at the right end of the bottom plate (1), and the heights of the air inlets (21) are lower than that of the heat dissipation plate (14).
9. Universal circuit breaker according to claim 1, characterized in that: the inner wall of the left end of the bottom plate (1) is fixedly connected with an intercepting net (15), and the intercepting net (15) covers the air outlet (11).
10. Universal circuit breaker according to claim 1, characterized in that: the inner wall of the right end of the bottom plate (1) is fixedly connected with a filter screen (16), and the filter screen (16) covers the air inlet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210069359.9A CN114300314A (en) | 2022-01-21 | 2022-01-21 | Universal circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210069359.9A CN114300314A (en) | 2022-01-21 | 2022-01-21 | Universal circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114300314A true CN114300314A (en) | 2022-04-08 |
Family
ID=80976858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210069359.9A Pending CN114300314A (en) | 2022-01-21 | 2022-01-21 | Universal circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114300314A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646775A (en) * | 1983-11-03 | 1987-03-03 | Traylor Paul L | Vacuum breaker |
| CN200965851Y (en) * | 2006-10-30 | 2007-10-24 | 上海良信电器有限公司 | Dust-proof cover for intelligent universal type breaker |
| JP2012066854A (en) * | 2010-09-24 | 2012-04-05 | Toshiba Digital Media Engineering Corp | Equipment protection case |
| KR20130131166A (en) * | 2012-05-23 | 2013-12-03 | 엘에스산전 주식회사 | Radiation device for gas insulation circuit breaker |
| CN104470268A (en) * | 2013-09-17 | 2015-03-25 | 鸿富锦精密工业(武汉)有限公司 | Electronic apparatus housing |
| CN204706481U (en) * | 2015-07-02 | 2015-10-14 | 浙江百事宝电器有限公司 | A kind of novel breaker |
| CN106128867A (en) * | 2016-08-05 | 2016-11-16 | 梅兰日兰电气集团（苏州）有限公司 | One moulds shell RCCB |
| JP2017212171A (en) * | 2016-05-27 | 2017-11-30 | 富士電機機器制御株式会社 | Protective cover of circuit breaker |
| CN210628778U (en) * | 2019-11-13 | 2020-05-26 | 源洲电气有限公司 | High-voltage integrated switch cabinet with electric shock prevention device |
| CN211150447U (en) * | 2019-12-30 | 2020-07-31 | 广东电网有限责任公司 | Anti-misoperation device for air switch of relay protection screen |
| CN211209086U (en) * | 2020-02-01 | 2020-08-07 | 郑婷婷 | Dustproof high-voltage switch cabinet capable of controlling temperature of wiring end |
| CN212062289U (en) * | 2020-06-18 | 2020-12-01 | 江苏龙飞电力科技有限公司 | Intelligent permanent magnet type pole-mounted vacuum circuit breaker |
| CN112331531A (en) * | 2020-11-24 | 2021-02-05 | 广东电网有限责任公司佛山供电局 | Air switch protection device of relay protection screen |
| CN213781870U (en) * | 2020-08-16 | 2021-07-23 | 成都世新电气有限公司 | High-temperature-resistant circuit breaker |
| CN214956677U (en) * | 2021-06-30 | 2021-11-30 | 浙江达达电器有限公司 | Low-voltage circuit breaker with protection architecture |
| CN215069833U (en) * | 2021-05-24 | 2021-12-07 | 南京世乾电气设备有限公司 | Circuit breaker safety module for power distribution box |
| CN215451224U (en) * | 2021-07-09 | 2022-01-07 | 深圳市前海宏通伟业科技有限公司 | Be applicable to plateau place circuit breaker |
-
2022
- 2022-01-21 CN CN202210069359.9A patent/CN114300314A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646775A (en) * | 1983-11-03 | 1987-03-03 | Traylor Paul L | Vacuum breaker |
| CN200965851Y (en) * | 2006-10-30 | 2007-10-24 | 上海良信电器有限公司 | Dust-proof cover for intelligent universal type breaker |
| JP2012066854A (en) * | 2010-09-24 | 2012-04-05 | Toshiba Digital Media Engineering Corp | Equipment protection case |
| KR20130131166A (en) * | 2012-05-23 | 2013-12-03 | 엘에스산전 주식회사 | Radiation device for gas insulation circuit breaker |
| CN104470268A (en) * | 2013-09-17 | 2015-03-25 | 鸿富锦精密工业(武汉)有限公司 | Electronic apparatus housing |
| CN204706481U (en) * | 2015-07-02 | 2015-10-14 | 浙江百事宝电器有限公司 | A kind of novel breaker |
| JP2017212171A (en) * | 2016-05-27 | 2017-11-30 | 富士電機機器制御株式会社 | Protective cover of circuit breaker |
| CN106128867A (en) * | 2016-08-05 | 2016-11-16 | 梅兰日兰电气集团（苏州）有限公司 | One moulds shell RCCB |
| CN210628778U (en) * | 2019-11-13 | 2020-05-26 | 源洲电气有限公司 | High-voltage integrated switch cabinet with electric shock prevention device |
| CN211150447U (en) * | 2019-12-30 | 2020-07-31 | 广东电网有限责任公司 | Anti-misoperation device for air switch of relay protection screen |
| CN211209086U (en) * | 2020-02-01 | 2020-08-07 | 郑婷婷 | Dustproof high-voltage switch cabinet capable of controlling temperature of wiring end |
| CN212062289U (en) * | 2020-06-18 | 2020-12-01 | 江苏龙飞电力科技有限公司 | Intelligent permanent magnet type pole-mounted vacuum circuit breaker |
| CN213781870U (en) * | 2020-08-16 | 2021-07-23 | 成都世新电气有限公司 | High-temperature-resistant circuit breaker |
| CN112331531A (en) * | 2020-11-24 | 2021-02-05 | 广东电网有限责任公司佛山供电局 | Air switch protection device of relay protection screen |
| CN215069833U (en) * | 2021-05-24 | 2021-12-07 | 南京世乾电气设备有限公司 | Circuit breaker safety module for power distribution box |
| CN214956677U (en) * | 2021-06-30 | 2021-11-30 | 浙江达达电器有限公司 | Low-voltage circuit breaker with protection architecture |
| CN215451224U (en) * | 2021-07-09 | 2022-01-07 | 深圳市前海宏通伟业科技有限公司 | Be applicable to plateau place circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220190161U (en) | Outdoor distribution box with waterproof function | |
| CN114300314A (en) | Universal circuit breaker | |
| CN111628425B (en) | Assembled multi-functional low voltage distribution box | |
| CN214800293U (en) | Integrated form automation control cabinet | |
| CN211046163U (en) | Heat radiation structure of electric distribution box | |
| CN220776334U (en) | Arc protection device is drawn to photovoltaic power plant | |
| CN216312817U (en) | Dustproof motor casing of explosion-proof type three-phase asynchronous motor | |
| CN212011733U (en) | High solid looped netowrk cabinet of security | |
| CN212626804U (en) | Museum intelligent management that radiating effect is good is with main switch board of control | |
| CN219892715U (en) | Outdoor low-voltage heat-insulating distribution box | |
| CN220652727U (en) | Reactive power compensation cabinet for power distribution network | |
| CN218919738U (en) | Fireproof structure for power distribution cabinet | |
| CN220492487U (en) | Block terminal with protective structure | |
| CN216162195U (en) | Idle call switch board | |
| CN216794339U (en) | Electric control cabinet that radiating effect is good | |
| CN213783242U (en) | Battery pack with heating prevention device | |
| CN216218443U (en) | 5G data interconnection switch board | |
| CN214204315U (en) | Novel dustproof control cabinet | |
| CN217769713U (en) | Based on electrical engineering generator electromechanical protection device | |
| CN217215528U (en) | Comprehensive energy station controlgear electric power cabinet | |
| CN215816970U (en) | Heat abstractor in high tension switchgear with dust removal function | |
| CN219658609U (en) | Outdoor vacuum circuit breaker | |
| CN210468555U (en) | Make test power supply stable protection device | |
| CN211128719U (en) | Power communication equipment box | |
| CN213960615U (en) | Full-function multi-well-site discharging and extracting cabinet |
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 |