CN110970273A - Electric primary circuit breaker heat abstractor - Google Patents
Electric primary circuit breaker heat abstractor Download PDFInfo
- Publication number
- CN110970273A CN110970273A CN201911259131.0A CN201911259131A CN110970273A CN 110970273 A CN110970273 A CN 110970273A CN 201911259131 A CN201911259131 A CN 201911259131A CN 110970273 A CN110970273 A CN 110970273A
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- China
- Prior art keywords
- circuit breaker
- sealing plate
- primary circuit
- water
- box
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a heat sink for an electrical primary circuit breaker, comprising: the upper surface of the base is provided with a groove; the protection box is arranged above the base, the bottom of the protection box is open, a first sealing plate, a second sealing plate, a third sealing plate, a fourth sealing plate and a top plate are sequentially arranged on the periphery and the top of the protection box, a first box opening is formed in the upper surface of the top plate, a side frame of the first box opening is hinged with a box cover through a first hinge, and a plurality of heat dissipation holes are formed in the box cover; the fan is arranged on the inner bottom wall of the groove; the metal wire mesh is fixedly connected with the base through a plurality of supporting blocks and is positioned above the fan; the water tank is arranged on the upper surface of the base and close to the side of the metal wire mesh and used for containing cooling water, and a water outlet hole and a water inlet hole are formed in the water tank; one end of the water pump is connected with the water outlet hole through a guide pipe, and the other end of the water pump is connected with the water inlet hole through a hose. By implementing the circuit breaker, the technical problem that the existing circuit breaker cannot independently dissipate heat can be solved.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a heat dissipation device of an electric primary circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breaker can be used for distributing electric energy, protecting a power supply circuit, a motor and the like, and automatically cutting off the circuit when the power supply circuit, the motor and the like have serious overload or short circuit, undervoltage and other faults; furthermore, no parts need to be changed after breaking the fault current.
But current circuit breaker can not independently dispel the heat, this makes the heat that the high current produced circulate in its inside, can reduce the life of part, can destroy the circuit oversheath under high temperature, use the ruptured circuit of oversheath for a long time, cause the short circuit easily, make the circuit breaker burnt out, but current radiator all is fan heat dissipation or water-cooling heat dissipation, fan heat dissipation's effect is not good, and water-cooling heat dissipation's pipe is fixed pipe, can not adjust, can not distribute the heat dissipation by oneself, be not suitable for the circuit breaker of different models.
Disclosure of Invention
The invention aims to provide a heat dissipation device for an electric primary circuit breaker, which solves the technical problem that the existing circuit breaker cannot independently dissipate heat to at least a certain extent.
The embodiment of the invention provides a heat dissipation device for an electric primary circuit breaker, which comprises:
the upper surface of the base is provided with a groove;
the protection box is arranged above the base, the bottom of the protection box is open, a first sealing plate, a second sealing plate, a third sealing plate, a fourth sealing plate and a top plate are sequentially arranged on the periphery and the top of the protection box, a first box opening is formed in the upper surface of the top plate, a side frame of the first box opening is hinged with a box cover through a first hinge, and a plurality of heat dissipation holes are formed in the box cover;
the fan is arranged on the inner bottom wall of the groove;
the metal wire mesh is fixedly connected with the base through a plurality of supporting blocks and is positioned above the fan;
the water tank is arranged on the upper surface of the base and close to the side of the metal wire mesh, and is provided with a water outlet hole and a water inlet hole for filling cooling water;
and one end of the water pump is communicated with the water outlet hole through a guide pipe, and the other end of the water pump is communicated with the water inlet hole through a hose.
In some embodiments, the first sealing plate is provided with a fixing hole, the side wall of the water tank is provided with a communicating vessel, the communicating vessel penetrates through the fixing hole and extends to the outside of the protection box, the top of the communicating vessel extends upwards to form first bulges, and the first bulges are respectively sleeved with a first limiting sleeve; the bottom extends downwards to form a second protrusion, and a second limiting sleeve is sleeved on the second protrusion.
In some embodiments, the second sealing plate defines a plurality of circular holes.
In some embodiments, the third sealing plate has a plurality of heat dissipation grids formed thereon and a plurality of through holes formed thereunder.
In some embodiments, the fourth sealing plate is provided with a second box opening, an upper frame of the second box opening is hinged to one side edge of a folding cover through a second hinge, and at least one part of the middle part of the folding cover is made of transparent glass.
In some embodiments, a magnetic strip is arranged on the other side edge of the folding cover away from the second hinge, and a magnet is arranged on the lower frame of the second box opening.
In some embodiments, a threaded hole is formed in the upper surface of the water tank, and a threaded cover is connected to the inner wall of the threaded hole in a threaded manner; the top plate is provided with a through hole, the threaded cover penetrates through the through hole, and the upper portion of the threaded cover protrudes out of the upper surface of the top plate.
In some embodiments, a connector is further included; one end of the hose is connected with the water pump, and the other end of the hose is provided with an external thread; one end of the connector is inserted into the water inlet hole, and the other end of the connector is provided with an internal thread matched with the external thread; the hose with the connector passes through external screw thread and internal thread carry out threaded connection.
In some embodiments, the heat dissipation holes are all strip-shaped, and the plurality of strip-shaped heat dissipation holes are sequentially arranged in parallel on the case cover.
In some embodiments, a rubber pad is disposed at each of four corners of the lower surface of the base.
According to the heat dissipation device for the electric primary circuit breaker, the fan, the supporting block and the metal wire mesh are arranged, the groove is formed in the surface of the base, the fan is arranged in the groove, the operation of the fan cannot be influenced when the circuit breaker is used, the metal wire mesh is jacked up by the supporting block, the circuit breaker is placed on the metal wire mesh and is in contact with the metal wire mesh, and therefore heat dissipation of the circuit breaker can be maximized; blow upwards through the fan, the heat that the circuit breaker gived off blows upwards and can give off sooner, and steam rises, can dispel the heat through the louvre on the case lid, and setting up of louvre has adapted to the steam flow direction, can make louvre radiating effect maximize. In addition, the water tank is used for storing cooling water for cooling the gas in the protection box, and a circulating water path is formed by connecting the water tank, a water pump, a conduit and a hose, so that the cooling water can be recycled; the hose is movable structure, can twine at will, can twine and dispel the heat on the circuit breaker, avoids different circuit breakers to use, can increase the length of hose, makes heat radiating area bigger, and the radiating effect is better.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heat dissipation device of an electrical primary circuit breaker according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a heat dissipation device of an electrical primary circuit breaker according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a heat dissipation device of an electrical primary circuit breaker according to an embodiment of the present invention.
Fig. 4 is a partial cross-sectional view of a heat sink for an electrical primary circuit breaker in an embodiment of the present invention.
The labels in the figure are:
1-base, 2-protective case, 201-first sealing plate, 202-second sealing plate, 203-third sealing plate, 204-fourth sealing plate, 205-top plate, 3-groove, 4-fan, 5-supporting block, 6-wire mesh, 7-water tank, 8-pipe, 9-water pump, 10-hose, 11-connector, 12-threaded hole, 13-threaded cover, 14-communicator, 141-first bulge, 142-first limit kit, 143-second bulge, 144-second limit kit, 15-round hole, 16-first hinge, 17-box cover, 18-heat dissipation hole, 19-handle, 20-second hinge, 21-folding cover, 22-glass, 23-magnet, 24-external thread, 25-internal thread, 26-heat dissipation grid, 27-through hole, 28-rubber pad and 29-fixing hole.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, well known means have not been described in detail so as not to obscure the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a heat dissipation device for an electrical primary circuit breaker, including:
the upper surface of the base 1 is provided with a groove 3;
specifically, the base 1 has a certain thickness to allow the groove 3 to be formed, and to reliably support the structures such as the circuit breaker and the protection box 2 arranged above the base 1; for example, the groove 3 is circular or square to adapt to the shape of the fan 4.
The protection box 2 is arranged above the base 1, the bottom of the protection box is open, a first sealing plate 201, a second sealing plate 202, a third sealing plate 203, a fourth sealing plate 204 and a top plate 205 are sequentially arranged on the periphery and the top of the protection box, a first box opening is formed in the upper surface of the top plate 205, a side frame of the first box opening is hinged with a box cover 17 through a first hinge 16, and a plurality of heat dissipation holes 18 are formed in the box cover 17;
particularly, the box cover 17 is matched with the first box opening in size, the box cover 17 can be conveniently opened through the arrangement of the first hinges 16, and when the box cover 17 is closed, the box cover 17 covers the first box opening. First shrouding 201, second shrouding 202, third shrouding 203, fourth shrouding 204 are fixed connection in proper order, the top around at least partly can dismantle with first shrouding 201, second shrouding 202, third shrouding 203, fourth shrouding 204 respectively and be connected to when the device trouble, dismantle the top to keep in repair the heat abstractor inner parts device.
Preferably, to facilitate opening the cover 17, a handle 19 is provided on the upper surface of the cover 17 near the edge.
Preferably, the first cover plate 201, the second cover plate 202, the third cover plate 203 and the fourth cover plate 204 are integrally formed.
The fan 4 is arranged on the inner bottom wall of the groove 3;
for example, the fan 4 is a small fan, so that a fan with low noise can be selected for common appliances in daily life.
A wire mesh 6 fixedly connected to the base 1 through a plurality of support blocks 5 and positioned above the fan 4;
specifically, the wire-net 6 is formed in a rectangular shape as a whole, and the wire-net 6 covers a position above the recess 3. Wherein, the wire mesh 6 is preferably, but not limited to, made of steel material. The support block 5 is preferably, but not limited to, a cylindrical or rectangular body structure.
The water tank 7 is arranged at a position, close to the side of the metal wire mesh 6, on the upper surface of the base 1 and used for filling cooling water, and a water outlet hole and a water inlet hole are formed in the water tank 7.
And one end of the water pump 9 is communicated with the water outlet hole through a guide pipe 8, and the other end of the water pump is communicated with the water inlet hole through a hose 10.
Specifically, the water pump 9 preferably uses a small water pump, and different models can be selected according to the size of the circuit breaker. The water tank 7 is used for filling cooling water, water outlet holes of the water tank 7, the guide pipe 8, the water pump 9, the hose 10 and water inlet holes of the water tank 7 are sequentially connected to form a water circulation passage, and the cooling water can circulate in the water circulation passage under the action of the water pump 9.
Based on the above embodiments, when the heat dissipation device of the embodiments of the present invention is used, it is first checked whether the components and parts of the heat dissipation device are damaged, and the circuit breaker can be fixed on the wire mesh 6 by opening the case cover 17 with the handle 19 without any problem. Wherein, fan 4 holds in the inside of recess 3, and the operation of fan 4 can not influenced in the use of circuit breaker, a plurality of supporting shoes 5 jack-up wire mesh 6, the circuit breaker is put on wire mesh 6, contacts with wire mesh 6, can make the circuit breaker maximize heat dissipation. Moreover, the heat dissipation device of the present embodiment blows upward through the fan 4, the heat dissipated by the circuit breaker blows upward to dissipate faster, the hot air rises, and the hot air flows out of the plurality of heat dissipation holes 18 on the case cover 17 to dissipate heat, so that the setting of the heat dissipation holes 18 of the present embodiment adapts to the flow direction of the hot air, and the heat dissipation effect of the heat dissipation holes 18 can be maximized.
In addition, the water tank 7 stores cooling water for cooling the gas in the protection box 2, and a circulating water path is formed by connecting the water tank 7, the water pump 9, the conduit 8 and the hose 10, so that the cooling water can be recycled; hose 10 is movable structure, can twine at will, can twine and dispel the heat on the circuit breaker, avoids different circuit breakers to use, can increase hose 10's length, makes heat radiating area bigger, and the radiating effect is better.
In some embodiments, the heat dissipation device further includes a temperature sensor and a controller, the temperature sensor is disposed on a surface of the circuit breaker and configured to detect temperature data of the circuit breaker in real time and send the temperature data to the controller, the controller analyzes the temperature data and controls the fan 4 and the water pump 9 according to an analysis result, for example, when the temperature of the circuit breaker is greater than a first temperature threshold, a first control instruction is generated to control the fan 4 to perform primary cooling on the circuit breaker; when the temperature of the circuit breaker is greater than a second temperature threshold value, a second control instruction is generated, the water pump 9 is controlled to be started, cooling water is circulated, and the fan 4 and the water pump 9 work simultaneously to perform secondary cooling; when the breaker temperature is less than the first temperature threshold, both the fan 4 and the water pump 9 stop working. It can be understood that the first temperature threshold, the second temperature threshold, and the third temperature threshold are specifically set according to a cooling protection requirement for the circuit breaker, and this embodiment is not particularly limited.
It should be noted that the power supply mode and the operation mode of the electric components such as the fan 4, the water pump 9, the circuit breaker, etc. which are not described in this embodiment are common technical knowledge well known to those skilled in the art, and therefore, details of related contents are not described herein.
Further, the first closing plate 201 is opened with a fixing hole 29, the sidewall of the water tank 7 is provided with a communicating vessel 14, and the communicating vessel 14 penetrates through the fixing hole 29 and extends to the outside of the protection box 2, that is, as shown in fig. 1.
Referring to fig. 1 and 4, a first protrusion 141 extends upward from the top of the communicating vessel 14, and the first protrusions 141 are respectively sleeved with a first limiting sleeve 142; the bottom extends downwards to form a second protrusion 143, and a second limiting sleeve 144 is sleeved on the second protrusion 143.
Specifically, the communicating vessel 14 has a long bar-shaped structure, the first protrusion 141 and the second protrusion 143 have the same structure, the first position-limiting sleeve 142 and the second position-limiting sleeve 144 have the same structure, when the water tank 7 is installed, the communicating vessel 14 of the water tank 7 is made to penetrate the fixing hole 29 and extend to the outside of the protection case 2, meanwhile, one side wall of the water tank 7 is tightly attached to the first sealing plate 201, at this time, the first protrusion 141 and the second protrusion 143 of the communicating vessel 14 both extend to the outside of the protection box 2, at this time, the first limiting sleeve 142 and the second limiting sleeve 144 are respectively sleeved on the first protrusion 141 and the second protrusion 143, the lateral width of the first protrusion 141 and the second protrusion 143 is greater than the lateral width of the fixing hole 29, therefore, the communicating vessel 14 can be limited, and the water tank 7 can be limited, so that the water tank 7 can be conveniently installed.
Further, referring to fig. 1, the second sealing plate 202 is provided with a plurality of circular holes 15.
Specifically, the large-area circular hole 15 may be used for wiring or heat dissipation.
In some embodiments, a plurality of heat dissipation grids 26 are formed above the third sealing plate 203, a plurality of through holes 27 are formed below the third sealing plate, the plurality of heat dissipation grids 26 are used for dissipating heat, and the through holes 27 are used for the entry and exit of wires of electric appliances such as the necessary fan 4, the water pump 9, and the circuit breaker.
Further, referring to fig. 3, the fourth sealing plate 204 is provided with a second box opening, an upper frame of the second box opening is hinged to one side edge of a folding cover 21 through a second hinge 20, and at least one part of the middle of the folding cover 21 is made of transparent glass 22.
Specifically, the size of the folding lid 21 is matched with that of the second box opening, the folding lid 21 can be conveniently opened through the arrangement of the second hinge 20, and when the folding lid 21 is closed, the folding lid 21 covers the second box opening. The transparent glass 22 is rectangular, and the inside of the protection box 2 can be directly seen through the transparent glass 22, so that the condition in the box can be checked at any time.
Further, referring to fig. 3, a magnetic stripe is disposed on the other side edge of the folding cover 21 away from the second hinge 20, and a magnet 23 is disposed on the lower frame of the second box opening.
Particularly, when the second case mouth is closed, magnet 23 can adsorb the magnetic stripe makes folding lid 21 and guard box 2 closely laminate, and is convenient and fast more when opening. In order to facilitate the opening of the folder cover 21, a handle may be provided on the outer surface of the folder cover 21.
Further, referring to fig. 2-3, a threaded hole 12 is formed in the upper surface of the water tank 7, and a threaded cover 13 is connected to the inner wall of the threaded hole 12 in a threaded manner; the top plate 205 is provided with a through hole, the screw cap 13 penetrates through the through hole, and the upper portion of the screw cap 13 protrudes out of the upper surface of the top plate 205.
Specifically, the screw cap 13 is rotated to open the screw hole 12 of the upper surface of the water tank 7, so that the cooling water is introduced into the water tank 7.
Preferably, in order to facilitate the rotation of the screw cap 13, the screw cap 13 has a cylindrical structure, and the circumferential surface of the screw cap 13 is formed with an anti-slip stripe structure.
Further, referring to fig. 2, the connector 11 is further included; one end of the hose 10 is connected with the water pump 9, and the other end of the hose is provided with an external thread 24; one end of the connector 11 is inserted into the water inlet hole, and the other end of the connector is provided with an internal thread 25 matched with the external thread 24; the hose 10 and the connector 11 are in threaded connection through the external thread 24 and the internal thread 25.
Specifically, fig. 2 shows a state in which the hose 10 is detached from the connector 11, and the hose 10 can be conveniently connected to the inlet hole by the external thread 24 and the internal thread 25.
In some embodiments, the heat dissipation holes 18 are all elongated, and the plurality of elongated heat dissipation holes 18 are sequentially arranged in parallel on the box cover 17.
Specifically, the plurality of elongated heat dissipation holes 18 are sequentially arranged in parallel with the case cover 17 and are arranged opposite to the fan 4, so that the heat dissipation device can better adapt to the flow direction of hot air in the protection case 2 and better dissipate heat.
Preferably, in order to prevent particulate objects such as dust from entering the heat dissipation holes 18, dust screens are provided in the heat dissipation holes 18 and the heat dissipation lattices 26.
In some embodiments, a rubber pad 28 is disposed at each corner of the lower surface of the base 1.
Specifically, the rubber pad 28 is provided to prevent the breaker from being damaged by vibration when the breaker is placed on the wire netting 6 or the heat sink is moved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. An electrical primary circuit breaker heat sink, comprising:
the upper surface of the base is provided with a groove;
the protection box is arranged above the base, the bottom of the protection box is open, a first sealing plate, a second sealing plate, a third sealing plate, a fourth sealing plate and a top plate are sequentially arranged on the periphery and the top of the protection box, a first box opening is formed in the upper surface of the top plate, a side frame of the first box opening is hinged with a box cover through a first hinge, and a plurality of heat dissipation holes are formed in the box cover;
the fan is arranged on the inner bottom wall of the groove;
the metal wire mesh is fixedly connected with the base through a plurality of supporting blocks and is positioned above the fan;
the water tank is arranged on the upper surface of the base and close to the side of the metal wire mesh and used for containing cooling water, and a water outlet hole and a water inlet hole are formed in the water tank;
and one end of the water pump is communicated with the water outlet hole through a guide pipe, and the other end of the water pump is communicated with the water inlet hole through a hose.
2. The heat dissipating device for an electrical primary circuit breaker as claimed in claim 1, wherein the first sealing plate has a fixing hole, the sidewall of the water tank has a communicating vessel, the communicating vessel passes through the fixing hole and extends to the outside of the protection box, the top of the communicating vessel extends upward to form a first protrusion, and the first protrusions are respectively sleeved with a first limiting sleeve; the bottom extends downwards to form a second protrusion, and a second limiting sleeve is sleeved on the second protrusion.
3. The electrical primary circuit breaker heat sink of claim 1, wherein the second sealing plate defines a plurality of circular apertures.
4. The heat dissipating device of an electrical primary circuit breaker as recited in claim 1, wherein the third sealing plate has a plurality of heat dissipating grids formed thereon and a plurality of through-wire holes formed thereunder.
5. The heat dissipating device of an electrical primary circuit breaker as claimed in claim 1, wherein the fourth sealing plate defines a second opening, an upper frame of the second opening is hinged to a side of a foldable cover via a second hinge, and at least a portion of a middle portion of the foldable cover is made of transparent glass.
6. The electrical primary circuit breaker heat sink as recited in claim 5, wherein a magnetic strip is disposed on the other side of the foldable lid away from the second hinge, and a magnet is disposed on the lower frame of the second box opening.
7. The heat dissipating device for an electrical primary circuit breaker according to claim 1, wherein a threaded hole is formed in an upper surface of the water tank, and a threaded cover is threadedly connected to an inner wall of the threaded hole; the top plate is provided with a through hole, the threaded cover penetrates through the through hole, and the upper portion of the threaded cover protrudes out of the upper surface of the top plate.
8. The electrical primary circuit breaker heat sink of claim 1 further comprising a connector; one end of the hose is connected with the water pump, and the other end of the hose is provided with an external thread; one end of the connector is inserted into the water inlet hole, and the other end of the connector is provided with an internal thread matched with the external thread; the hose with the connector passes through external screw thread and internal thread carry out threaded connection.
9. The heat dissipating device of an electrical primary circuit breaker according to any one of claims 1 to 8, wherein the heat dissipating holes are all elongated, and the heat dissipating holes are sequentially arranged in parallel with the case cover.
10. An electrical primary circuit breaker heat sink as claimed in any one of claims 1 to 8 wherein a rubber pad is provided at each of four corners of the lower surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259131.0A CN110970273A (en) | 2019-12-10 | 2019-12-10 | Electric primary circuit breaker heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259131.0A CN110970273A (en) | 2019-12-10 | 2019-12-10 | Electric primary circuit breaker heat abstractor |
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| CN110970273A true CN110970273A (en) | 2020-04-07 |
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| CN201911259131.0A Pending CN110970273A (en) | 2019-12-10 | 2019-12-10 | Electric primary circuit breaker heat abstractor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342496A (en) * | 2020-04-16 | 2020-06-26 | 阳光电源股份有限公司 | Micro-grid switching device and switching control method |
| CN111584270A (en) * | 2020-05-28 | 2020-08-25 | 章钦 | Outdoor high-voltage circuit breaker |
| CN114068253A (en) * | 2021-11-15 | 2022-02-18 | 重庆渝都晶达科技有限公司 | Prevent electric leakage circuit breaker that mistake touched |
-
2019
- 2019-12-10 CN CN201911259131.0A patent/CN110970273A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342496A (en) * | 2020-04-16 | 2020-06-26 | 阳光电源股份有限公司 | Micro-grid switching device and switching control method |
| CN111584270A (en) * | 2020-05-28 | 2020-08-25 | 章钦 | Outdoor high-voltage circuit breaker |
| CN114068253A (en) * | 2021-11-15 | 2022-02-18 | 重庆渝都晶达科技有限公司 | Prevent electric leakage circuit breaker that mistake touched |
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