CN217214595U - High-efficient radiating high voltage direct current contactor - Google Patents
High-efficient radiating high voltage direct current contactor Download PDFInfo
- Publication number
- CN217214595U CN217214595U CN202123451514.3U CN202123451514U CN217214595U CN 217214595 U CN217214595 U CN 217214595U CN 202123451514 U CN202123451514 U CN 202123451514U CN 217214595 U CN217214595 U CN 217214595U
- Authority
- CN
- China
- Prior art keywords
- contactor
- radiator
- direct current
- voltage direct
- high voltage
- 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.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of the contactor technique and specifically relates to a high-efficient radiating high voltage direct current contactor is related to, including contactor body and first radiator, be provided with a plurality of insulating layers between contactor body top surface and the first radiator bottom surface, a plurality of insulating layers all are equipped with the semiconductor refrigeration piece along the length direction interval distribution of contactor body top surface between two adjacent insulating layers, the cold junction of semiconductor refrigeration piece and the top surface contact of contactor body, the hot junction of semiconductor refrigeration piece and the bottom surface contact of first radiator through the design of semiconductor refrigeration piece, effectively with the heat through the mode of conduction in exporting the outer environment of high voltage direct current contactor, effectively reduce the intensification of high voltage direct current contactor, improve the life and the range of application of contactor.
Description
Technical Field
The utility model belongs to the technical field of the contactor technique and specifically relates to a high-efficient radiating high voltage direct current contactor is related to.
Background
The dc contactor is a contactor whose iron core is controlled by dc, and its load may be dc or ac. The core of the dc contactor is not the same as the ac contactor in that it has no eddy current, and thus is generally formed in a circular shape using mild steel or industrial pure iron. Because the attraction coil of the DC contactor is electrified with DC, the DC contactor has no impact starting current and does not generate the phenomenon of violent impact of an iron core, thereby having long service life and being suitable for occasions of frequent starting and stopping.
The coil of the direct current contactor is a core component for realizing the function of the direct current contactor. However, as the dc contactor is miniaturized and has high performance, the load-to-volume ratio thereof is increased, and the voltage of the high voltage dc contactor is large, which causes a further near-exponential increase in the thermal load per unit volume thereof, which causes a sharp increase in the generation of heat, and the contradiction between the increase in heat and the relatively poor heat dissipation performance of the contactor itself causes overheating of the coil thereof, which reduces the service life of the coil.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems that in the prior art, a direct current contactor is developed towards miniaturization and high performance, the load volume ratio is increased, the voltage of high-voltage direct current contact is huge, the thermal load per unit volume is further increased in a near-exponential manner, the heat generation is rapidly increased, the coil is overheated due to the contradiction between the heat increase and the relatively poor heat dissipation performance of the contactor, and the service life of the coil is shortened, the high-voltage direct current contactor with high heat dissipation efficiency is provided.
The utility model provides a technical scheme that its technical problem adopted is: a high-efficiency heat-radiating high-voltage direct-current contactor comprises a contactor body and a first radiator, wherein a plurality of heat insulating layers are arranged between the top surface of the contactor body and the bottom surface of the first radiator, the heat insulating layers are distributed at intervals along the length direction of the top surface of the contactor body, a semiconductor refrigerating sheet is arranged between every two adjacent heat insulating layers, the cold end of the semiconductor refrigerating sheet is in contact with the top surface of the contactor body, the hot end of the semiconductor refrigerating sheet is in contact with the bottom surface of the first radiator, heat is effectively conducted out of the high-voltage direct-current contactor to the environment outside the high-voltage direct-current contactor in a conduction mode through the design of the semiconductor refrigerating sheet, the temperature rise of the high-voltage direct-current contactor is effectively reduced, and the service life and the application range of the contactor are prolonged; through arranging of first radiator, with the absorbed heat effluvium of semiconductor refrigeration piece to ensure the high-efficient work of semiconductor refrigeration piece, through the design of insulating layer, avoid linking to each other the heat between two semiconductor refrigeration pieces transmit each other and influence the work efficiency of semiconductor refrigeration piece.
In order to solve the problem of how to mount the first radiator and ensure that the first radiator efficiently radiates heat for the refrigeration sheet, the first radiator further comprises a first base plate and a plurality of first radiating fins distributed at intervals, the top surface of the first base plate is fixedly connected with the first radiating fins, the bottom surface of the first base plate is in contact with the hot end of the semiconductor refrigeration sheet, and the first radiating fins are located on the end face of the first base plate far away from one end of the contactor body.
In order to solve the problem that heat resistance and heat insulation can be realized only by using any material, the heat insulation layer is made of polyurethane foam.
In order to solve the heat that the direct current contactor coil produced and can be to the transmission of circumference, the thermal contactor top surface of dispelling the heat is main heat concentration district, but the heat of its both sides also can produce the problem of influence to the contactor, further includes the bottom of contactor body left side wall is provided with the second radiator, the bottom of contactor body right side wall is provided with the third radiator, through arranging of second radiator and third radiator, improves the radiating effect of contactor body both sides.
In order to solve the problem of how to realize the installation of the second radiator, the second radiator further comprises a second base plate and a plurality of second radiating fins which are distributed on the end face, far away from the contactor body, of the second base plate at intervals, and the bottom end of the left side wall of the contactor body is in contact with the second base plate.
In order to solve the problem of how to realize the installation of the third radiator, the third radiator further comprises a third substrate and a plurality of third radiating fins distributed on the end face, far away from the contactor body, of the third substrate, and the bottom end of the right side wall of the contactor body is in contact with the third substrate.
The utility model has the advantages that: the utility model provides a high voltage direct current contactor with high heat dissipation efficiency, through the design of the semiconductor refrigeration piece, the heat is effectively led out to the environment outside the high voltage direct current contactor through the conduction mode, the temperature rise of the high voltage direct current contactor is effectively reduced, and the service life and the application range of the contactor are improved; through arranging of first radiator, with the absorbed heat effluvium of semiconductor refrigeration piece to ensure the high-efficient work of semiconductor refrigeration piece, through the design of insulating layer, avoid linking to each other the heat between two semiconductor refrigeration pieces transmit each other and influence the work efficiency of semiconductor refrigeration piece.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the contactor comprises a contactor body, 2, a first radiator, 21, a first base plate, 22, first radiating fins, 3, a heat insulation layer, 4, semiconductor refrigeration sheets, 5, a second radiator, 51, a second base plate, 52, second radiating fins, 6, a third radiator, 61, a third base plate, 62 and third radiating fins.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in figure 1, the utility model is a schematic structural diagram of the high-efficiency heat-dissipation high-voltage direct-current contactor, which comprises a contactor body 1 and a first radiator 2, wherein a plurality of heat insulation layers 3 are arranged between the top surface of the contactor body 1 and the bottom surface of the first radiator 2, the heat insulation layers 3 are made of polyurethane foam, the heat insulation layers 3 are distributed at intervals along the length direction of the top surface of the contactor body 1, the contact rate between a semiconductor refrigeration sheet 4 and the contactor body 1 can be increased, the heat dissipation is ensured, a semiconductor refrigeration sheet 4 is arranged between two adjacent heat insulation layers 3, the cold end of the semiconductor refrigeration sheet 4 is in contact with the top surface of the contactor body 1, the hot end of the semiconductor refrigeration sheet 4 is in contact with the bottom surface of the first radiator 2, and the heat is effectively conducted out of the high-voltage direct-current contactor through the design of the semiconductor refrigeration sheet 4, the temperature rise of the high-voltage direct-current contactor is effectively reduced, and the service life and the application range of the contactor are prolonged; through arranging of first radiator 2, with the heat effluvium that semiconductor refrigeration piece 4 absorbed to ensure semiconductor refrigeration piece 4's high-efficient work, through the design of insulating layer 3, avoid linking to each other the heat between two semiconductor refrigeration pieces 4 to transmit each other and influence semiconductor refrigeration piece 4's work efficiency.
The first radiator 2 comprises a first base plate 21 and a plurality of first radiating fins 22 distributed at intervals, the top surface of the first base plate 21 is fixedly connected with the first radiating fins 22, the bottom surface of the first base plate 21 is in contact with the hot end of the semiconductor chilling plate 4, and the first radiating fins are located on the end face of the first base plate far away from one end of the contactor body.
The bottom of 1 left side wall of contactor body is provided with second radiator 5, the bottom of 1 right side wall of contactor body is provided with third radiator 6, through arranging of second radiator 5 and third radiator 6, improves the radiating effect of contactor body both sides, and installs the lateral wall bottom in its place side, can avoid its operation that influences the semiconductor refrigeration piece.
The second heat sink 5 includes a second substrate 51 and a plurality of second heat dissipation fins 52 distributed at intervals on the end face of the second substrate 51 far away from the contactor body 1, the bottom end of the left side wall of the contactor body 1 contacts with the second substrate 51, and can dissipate heat from the bottom end of the left side wall of the contactor body 1.
Third radiator 6 includes third base plate 61 and a plurality of interval distribution and keeps away from third radiating fin 62 on the terminal surface of contactor body 1 at third base plate 61, contactor body 1 right side wall bottom and the contact of third base plate 61 can be for the heat dissipation of contactor body 1's right side lateral wall bottom.
During the use, semiconductor refrigeration piece 4 lasts for the cooling of contactor body 1 transmission heat, and first radiator 2 is the cooling of semiconductor refrigeration piece transmission heat, and second radiator 5 and third radiator 6 last are the both sides wall cooling of contactor body 1, and radiating fin is big and tight rather than the contact surface that contacts, and heat transfer performance is good, stable, and the air passes through the resistance for a short time, reaches air-cooling's effect.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a high-efficient radiating high voltage direct current contactor, characterized by, includes contactor body (1) and first radiator (2), be provided with a plurality of insulating layers (3) between contactor body (1) top surface and first radiator (2) bottom surface, the length direction interval distribution of contactor body (1) top surface is followed in a plurality of insulating layers (3), all is equipped with semiconductor refrigeration piece (4) between two adjacent insulating layers (3), the cold junction of semiconductor refrigeration piece (4) and the top surface contact of contactor body (1), the hot junction of semiconductor refrigeration piece (4) and the bottom surface contact of first radiator (2).
2. An efficient heat dissipating high voltage direct current contactor as claimed in claim 1, wherein: the first radiator (2) comprises a first base plate (21) and a plurality of first radiating fins (22) distributed at intervals, the top surface of the first base plate (21) is fixedly connected with the first radiating fins (22), and the bottom surface of the first base plate (21) is in contact with the hot end of the semiconductor refrigerating sheet (4).
3. An efficient heat dissipating high voltage direct current contactor as claimed in claim 1, wherein: the heat insulation layer (3) is made of polyurethane foam.
4. An efficient heat dissipating high voltage direct current contactor as claimed in claim 1, wherein: the bottom of contactor body (1) left side wall is provided with second radiator (5), the bottom of contactor body (1) right side wall is provided with third radiator (6).
5. An efficient heat dissipating high voltage direct current contactor as claimed in claim 4, wherein: the second radiator (5) comprises a second base plate (51) and a plurality of second radiating fins (52) distributed on the end face, far away from the contactor body (1), of the second base plate (51) at intervals, and the bottom end of the left side wall of the contactor body (1) is in contact with the second base plate (51).
6. An efficient heat dissipating high voltage direct current contactor as claimed in claim 4, wherein: the third radiator (6) comprises a third substrate (61) and a plurality of third radiating fins (62) distributed on the end face, far away from the contactor body (1), of the third substrate (61) at intervals, and the bottom end of the right side wall of the contactor body (1) is in contact with the third substrate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451514.3U CN217214595U (en) | 2021-12-31 | 2021-12-31 | High-efficient radiating high voltage direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451514.3U CN217214595U (en) | 2021-12-31 | 2021-12-31 | High-efficient radiating high voltage direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214595U true CN217214595U (en) | 2022-08-16 |
Family
ID=82788645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123451514.3U Active CN217214595U (en) | 2021-12-31 | 2021-12-31 | High-efficient radiating high voltage direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214595U (en) |
-
2021
- 2021-12-31 CN CN202123451514.3U patent/CN217214595U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202085437U (en) | Variable-frequency air conditioner heat radiator | |
| CN201788963U (en) | Copper water cooled radiator | |
| CN103066037A (en) | Thermoelectricity refrigeration heat pipe radiator for electric car insulated gate bipolar translator (IGBT) | |
| US20100218512A1 (en) | Heat exchanger for thermoelectric applications | |
| CN111336727A (en) | Air conditioner | |
| CN201475747U (en) | High-power LED lighting lamp with radiating structure | |
| CN217214595U (en) | High-efficient radiating high voltage direct current contactor | |
| CN106549522B (en) | motor winding frame structure | |
| CN112713128A (en) | Intelligent controller heat dissipation method and device | |
| CN111780456A (en) | Semiconductor refrigeration heat abstractor based on thermoelectric generation | |
| KR20100060756A (en) | A thermoelectric cooling device for liqiid type | |
| CN212570642U (en) | Transformer with good heat dissipation performance in high-temperature environment | |
| CN212969468U (en) | Water-cooling heat abstractor of rectifier | |
| CN209882431U (en) | Heat dissipation component, air condensing units and air conditioner | |
| CN110955314A (en) | Computer GPU integral type water-cooling radiator | |
| CN201075816Y (en) | New type high power driver | |
| CN117542803A (en) | Packaging structure for electric automobile, motor controller and electric automobile | |
| CN220254971U (en) | High-frequency switching power supply heat dissipation device | |
| CN216290634U (en) | High heat dissipation capacity electric energy conversion device | |
| CN206291130U (en) | A kind of LED automobile lamp of good heat dissipation effect | |
| CN209882430U (en) | Air condensing units and air conditioner | |
| CN214545298U (en) | Radiator and servo driver | |
| CN209882429U (en) | Air condensing units and air conditioner | |
| CN209882428U (en) | Air condensing units and air conditioner | |
| CN220526688U (en) | Magnetic coil with heat radiation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |