CN216435796U - Pottery and dual canned type high voltage direct current contactor of epoxy - Google Patents
Pottery and dual canned type high voltage direct current contactor of epoxy Download PDFInfo
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- CN216435796U CN216435796U CN202122298024.8U CN202122298024U CN216435796U CN 216435796 U CN216435796 U CN 216435796U CN 202122298024 U CN202122298024 U CN 202122298024U CN 216435796 U CN216435796 U CN 216435796U
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Abstract
The utility model provides a pottery and dual canned type high voltage direct current contactor of epoxy, which comprises an outer shell, be equipped with coil carrier in the shell, the installation cavity has been seted up at the coil carrier middle part, be equipped with the movable contact in the installation cavity and drive the subassembly, the winding of coil carrier circumference has the coil, the coil carrier overcoat is equipped with plastic housing, and both pass through last mounting groove of plastic housing with lug on the coil carrier mutually supports realizes mutual joint location. The utility model discloses can solve current high voltage direct current contactor's coil and adopt the technology of coil winding sticky tape to play insulating withstand voltage's effect usually, however, when having increased high voltage direct current contactor's manufacturing cost because sticky tape winding technology is complicated, reduced production efficiency's technical problem.
Description
Technical Field
The utility model relates to a high voltage direct current contactor technical field, in particular to pottery and dual canned type high voltage direct current contactor of epoxy.
Background
High voltage direct current contactor universal use is in new energy automobile, fill fields such as electric pile, the current range is 50 ~ 300A or higher, the electric current then between 500 ~ 900V, along with the rapid development of trade, market is higher and higher to high voltage direct current contactor's rated voltage demand, current high voltage direct current contactor's coil adopts the technology of coil winding sticky tape to play insulating withstand voltage's effect usually, however, because the sticky tape winding technology is complicated when having increased high voltage direct current contactor's manufacturing cost, production efficiency has been reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pottery and dual canned type high voltage direct current contactor of epoxy for the technology that the coil that solves current high voltage direct current contactor adopted the coil winding sticky tape usually plays insulating withstand voltage's effect, however, when having increased high voltage direct current contactor's manufacturing cost because sticky tape winding technology is complicated, has reduced production efficiency's technical problem.
For solving the technical problem, the utility model discloses a pottery and dual canned type high voltage direct current contactor of epoxy, which comprises an outer shell, be equipped with the coil carrier in the shell, the installation cavity has been seted up at the coil carrier middle part, be equipped with the movable contact in the installation cavity and drive the subassembly, the winding of coil carrier circumference has the coil, the coil carrier overcoat is equipped with plastic casing, and both pass through mounting groove on the plastic casing with lug on the coil carrier mutually supports realizes mutual joint location.
Preferably, the movable contact driving assembly comprises an iron core, the iron core is located in the installation cavity, a transmission rod is sleeved in the iron core, a first insulating seat and a second insulating seat are further arranged in the shell, the first insulating seat and the second insulating seat are sleeved outside the transmission rod, and the movable contact is fixedly connected to the outside of the first insulating seat.
Preferably, a first pressure spring is sleeved on a part, located in the iron core, of the transmission rod, and a second pressure spring is sleeved on a part, located between the first insulation seat and the second insulation seat, of the transmission rod.
Preferably, one end of the first pressure spring abuts against the inner wall of the iron core, the other end of the first pressure spring abuts against an abutting table in the shell, the abutting table is connected with a bolt at the top of the coil support, one end of the second pressure spring abuts against the second insulating base, and the other end of the second pressure spring abuts against the bottom of the movable contact.
Preferably, a ceramic inner support cover is arranged in the shell, a contact valve ring and a large valve ring are welded on the ceramic inner support cover, a static contact is welded in the contact valve ring, and epoxy resin is poured on the ceramic inner support cover.
Preferably, an arc extinguishing cavity is arranged below the ceramic inner support cover in the shell, and arc extinguishing gas is filled in the arc extinguishing cavity.
Preferably, the welding mode between the contact valve ring and the large valve ring and the ceramic inner support cover is ceramic brazing technology welding, an arc extinguishing cavity is arranged below the ceramic inner support cover in the shell, and arc extinguishing gas is filled in the arc extinguishing cavity.
Preferably, a heat dissipation metal grid is arranged in the shell.
Preferably, the arc extinguishing gas is an inert gas, and the inert gas may be any one of argon and helium.
Preferably, a heat dissipation metal grid is arranged in the shell.
Preferably, the movable contact drives the subassembly and includes the iron core, shell inner wall bottom is equipped with iron core dismouting seat, be equipped with the iron core mounting hole on the iron core dismouting seat, the iron core is installed in the iron core mounting hole, iron core dismouting seat sets up the tight spout of clamp that two symmetry were arranged, press from both sides tight spout sliding connection and regulating block, the last fixedly connected with compression spring of regulating block, compression spring keeps away from regulating block's one end with press from both sides tight spout inner wall fixed connection, regulating block keeps away from the one end of compression spring is equipped with the execution clamp bar, be equipped with drive assembly on the execution clamp bar, drive assembly is used for the drive the execution clamp bar is followed press from both sides tight spout horizontal slip.
Preferably, a first inclined plane is arranged on the adjusting slider, the driving assembly comprises a fixed block, the fixed block is arranged in the iron core dismounting seat, a U-shaped air pressure channel is arranged in the fixed block, two outlet ends of the U-shaped air pressure channel are hermetically and vertically connected with an adjusting wedge block in a sliding manner, a second inclined plane is arranged on the upper surface of the adjusting wedge block, the first inclined plane and the second inclined plane are matched with each other, a U-shaped frame is vertically and slidably connected in the fixed block and comprises two symmetrically arranged sliding rods and an adjusting base, the two sliding rods are fixedly connected on the adjusting base, a buffer spring is arranged on the part of the sliding rod between the fixed block and the adjusting base, two symmetrically arranged inclined planes are arranged at the bottom of the adjusting base, and two symmetrically arranged first matched inclined planes are arranged at the bottom of the inner wall of the iron core dismounting seat, iron core dismouting seat inner wall bottom horizontal sliding connection has the cooperation wedge, be equipped with second cooperation inclined plane on the cooperation wedge, first cooperation inclined plane with second cooperation inclined plane is mutually supported, be equipped with linear drive motor on the cooperation wedge, linear drive motor is used for the drive the cooperation wedge is followed iron core dismouting seat inner wall bottom horizontal sliding.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is the schematic diagram of the structure of the coil support and the plastic casing
FIG. 3 is the structure diagram of the coil support and the plastic shell of the present invention
Fig. 4 is a schematic view of the position of the iron core assembling and disassembling seat according to the present invention.
Fig. 5 is a schematic structural view of the iron core mounting/dismounting seat of the present invention.
In the figure: 1. a plastic housing; 100. 2, a coil support; 200. a bump; 201. mounting grooves; 3. a ceramic inner support cage; 4. an epoxy resin; 5. a stationary contact; 6. the contact can be a valve ring; 7. a large valve ring; 8. a first insulating base; 9. a second insulating base; 10. a housing; 11. a movable contact; 12. a linear drive motor; 13. a coil; 130. a mounting cavity; 131. an iron core; 132. a transmission rod; 133. a first pressure spring; 134. a second pressure spring; 135. a heat dissipating metal grid; 136. a butting table; 14. an iron core dismounting seat; 140. an iron core mounting hole; 141. clamping the chute; 142. adjusting the sliding block; 1420. a first inclined plane; 1421. a U-shaped air pressure channel; 1422. an outlet end; 1423. adjusting the wedge-shaped block; 1424. a second inclined plane; 1425. a U-shaped frame; 1426. a slide bar; 1427. adjusting the base; 1428. a buffer spring; 143. a compression spring; 144. an execution clamping rod; 145. a fixed block; 146. an inclined plane; 147. a first mating ramp; 148. matching the wedge-shaped block; 1480. a second mating ramp.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a following embodiment:
example 1
The embodiment of the utility model provides a pottery and dual canned type high voltage direct current contactor of epoxy, as shown in fig. 1-5, including shell 10, be equipped with coil support 2 in the shell 10, installation cavity 130 has been seted up at 2 middle parts of coil support, be equipped with the movable contact in installation cavity 130 and drive the subassembly, 2 circumference winding of coil support have coil 13, 2 overcoat of coil support are equipped with plastic casing 1, and both pass through mounting groove 201 on the plastic casing 1 with lug 200 on the coil support 2 mutually support and realize mutual joint location.
Optionally, the protrusion 200 is of a trapezoid structure, the mounting groove 201 is of a trapezoid structure, and the contour of the protrusion 200 and the shape of the inner wall of the mounting groove 201 are matched in shape.
The working principle and the beneficial effects of the technical scheme are as follows: adopt plastic housing 1 with thereby coil adoption sticky tape winding plays insulating withstand voltage's effect under the mutual joint of coil support 2 replaced conventional condition, plastic housing 1 is compared in the use simple installation of sticky tape and has been reduced manufacturing cost, has improved production efficiency simultaneously, mounting groove 201 with the design of lug 200 makes plastic housing 1 with mutual installation between coil support 2 is inseparabler, the process that current high voltage direct current contactor's coil adopted the coil winding sticky tape usually can be solved in plastic housing 1's design, however, because the complicated manufacturing cost who increases high voltage direct current contactor of sticky tape winding process, has reduced production efficiency's technical problem.
Example 2
On the basis of the above embodiment 1, the moving contact driving assembly includes an iron core 131, the iron core 131 is located in the installation cavity 130, a transmission rod 132 is sleeved in the iron core 131, a first insulating base 8 and a second insulating base 9 are further arranged in the housing 10, the first insulating base 8 and the second insulating base 9 are sleeved outside the transmission rod 132, and a moving contact 11 is fixedly connected outside the first insulating base 8;
a first compression spring 133 is sleeved on the part, located in the iron core 131, of the transmission rod 132, and a second compression spring 134 is sleeved on the part, located between the first insulating seat 8 and the second insulating seat 9, of the transmission rod 132;
one end of the first compression spring 133 abuts against the inner wall of the iron core 131, the other end of the first compression spring 133 abuts against a butting table 136 in the housing 10, the butting table 136 is connected with a bolt at the top of the coil bracket 2, one end of the second compression spring 134 abuts against the second insulating seat 9, and the other end of the second compression spring 134 abuts against the bottom of the movable contact 11;
a ceramic inner support cover 3 is arranged in the shell 10, a contact valve ring 6 and a large valve ring 7 are welded on the ceramic inner support cover 3, a static contact 5 is welded in the contact valve ring 6, and epoxy resin 4 is poured on the ceramic inner support cover 3;
the welding mode between the contact valve ring 6 and the large valve ring 7 and the ceramic inner support cover 3 is ceramic brazing technology welding, an arc extinguishing cavity 100 is arranged below the ceramic inner support cover 3 in the shell 10, and arc extinguishing gas is filled in the arc extinguishing cavity 100;
the arc extinguishing gas is inert gas, and the inert gas can be any one of argon and helium;
a heat dissipation metal grid 135 is arranged in the housing 10.
The welding of the ceramic brazing technology is that the contact valve ring 6 and the large valve ring 7 are fused into molten metal solder by using the cutting edges of parts during welding, and the molten metal solder is filled into the joint gap between the contact valve ring and the large valve ring and mutually diffused with a base metal to firmly connect the kovar weldments together.
The working principle and the beneficial effects of the technical scheme are as follows: when the coil 13 is energized, the magnetic force generated by the coil 13 makes the transmission rod 132 move upwards, the transmission rod 132 moves upwards to drive the movable contact 11 to communicate with the fixed contact 5, the high-voltage direct-current contactor is in a closed working state, when the coil 13 is de-energized, the transmission rod 132 moves downwards under the action of the first compression spring 133 and the second compression spring 134 to reset, so that the movable contact 11 is disconnected from the fixed contact 5, and the high-voltage direct-current contactor is in an open working state (refer to the action process of the movable contact in the prior art CN 208655495U);
the ceramic soldering technology can solve the problems that the prior welding of the high-voltage direct-current contactor adopts a plane type welding process and can not ensure that the solder in a molten state completely flows into a gap between the high-voltage direct-current contactor and the high-voltage direct-current contactor, the air tightness of the welded parts is affected by the inevitable air bubbles and other problems, the contact is directly soldered on the ceramic during the production of the ceramic product, the brazing is carried out at high temperature, which easily causes the annealing softening of the copper contact material and influences the service life of the product, the static contact 5 of the utility model is welded on the back, belonging to low temperature welding, the low temperature welding has no annealing problem, the contact is directly brazed on the ceramic, the height of the contact can change along with the inconsistency of the ceramic size, the contact of the product is welded at the later stage, and a product with complete consistency can be obtained by using a special positioning block during welding;
compared with the conventional case that the static contact 5 is directly connected to the ceramic inner support cover 3, the design of the epoxy resin 4 solves the problem that the mechanical torsion is not strong and is easy to crack, the service life of the high-voltage direct-current contactor is prolonged, the installation strength of the static contact 5 is improved, and the service life of the product is prolonged by one grade compared with the temperature resistance and the short service life of an epoxy product only because the ceramic inner support cover 3 is a ceramic product;
the design of the first insulating seat 8 and the second insulating seat 9 can completely isolate the high-voltage part and the low-voltage part of the product electrically, so that the insulating safety performance of the product is improved;
the utility model discloses a product of simple epoxy, its inside is the arc extinguishing cavity that comprises plastics, and the upper strata uses the epoxy of special requirements to solidify and seal, also recharges the protective inert gas of certain pressure to the arc extinguishing cavity, and ceramic product is owing to be sintered out, and the size uniformity of spare part just is difficult to control, and epoxy encapsulated product is because the arc extinguishing cavity is plastics and constitutes, and the temperature resistant of plastics is far away too late ceramic, so the condition that electric arc burns plastics and punctures at high temperature takes place very easily, the utility model discloses combine the advantage of two kinds of route products of pottery and epoxy, avoided respective shortcoming, promoted a grade with the electric life and the product reliability of product;
the design of support cover 3 in the pottery has realized that high voltage direct current contactor's first layer is sealed, epoxy 4 has realized that high voltage direct current contactor's second floor is sealed, support cover 3 in the pottery and the design of epoxy 4 has realized that high voltage direct current contactor's double-deck is sealed.
Example 3
On the basis of the embodiment 1, the moving contact driving assembly includes an iron core 131, an iron core dismounting seat 14 is disposed at the bottom of the inner wall of the housing 10, an iron core mounting hole 140 is disposed on the iron core dismounting seat 14, the iron core 131 is mounted in the iron core mounting hole 140, two symmetrically arranged clamping sliding slots 141 are formed in the iron core dismounting seat 14, the clamping sliding slots 141 are slidably connected with an adjusting slider 142, a compression spring 143 is fixedly connected to the adjusting slider 142, one end of the compression spring 143, which is far away from the adjusting slider 142, is fixedly connected to the inner wall of the clamping sliding slot 141, one end of the adjusting slider 142, which is far away from the compression spring 143, is provided with an execution clamping rod 144, and a driving assembly is disposed on the execution clamping rod 144 and used for driving the execution clamping rod 144 to slide left and right along the clamping sliding slots 141;
the adjusting slider 142 is provided with a first inclined plane 1420, the driving assembly includes a fixed block 145, the fixed block 145 is disposed in the core dismounting seat 14, the fixed block 145 is internally provided with a U-shaped air pressure channel 1421, two outlet ends 1422 of the U-shaped air pressure channel 1421 are hermetically and vertically slidably connected with an adjusting wedge 1423, the upper surface of the adjusting wedge 1423 is provided with a second inclined plane 1424, the first inclined plane 1420 is matched with the second inclined plane 1424, the fixed block 145 is internally and vertically slidably connected with a U-shaped frame 1425, the U-shaped frame 1425 includes two symmetrically arranged slide bars 1426 and an adjusting base 1427, the two slide bars 1426 are fixedly connected to the adjusting base 1427, a buffer spring 1428 is disposed at a portion of the slide bar 1426 between the fixed block 145 and the adjusting base 1427, two symmetrically arranged inclined planes 146 are disposed at the bottom of the inner wall of the core dismounting seat 14, two symmetrically arranged first matching inclined planes 147 are disposed at the bottom of the inner wall of the core dismounting seat 14, 14 inner wall bottom horizontal sliding connection of iron core dismouting seat has cooperation wedge 148, be equipped with second cooperation inclined plane 1480 on the cooperation wedge 148, first cooperation inclined plane 147 with second cooperation inclined plane 1480 mutually supports, be equipped with linear drive motor 12 on the cooperation wedge 148, linear drive motor 12 is used for the drive cooperation wedge 148 is followed iron core dismouting seat 14 inner wall bottom horizontal slip.
The working principle and the beneficial effects of the technical scheme are as follows: when the iron core 131 needs to be installed, the linear driving motor 12 drives the two matching wedge blocks 148 to slide oppositely along the bottom of the inner wall of the iron core assembling and disassembling seat 14, the matching wedge blocks 148 slide so that the first matching inclined surface 147 and the second matching inclined surface 1480 are matched with each other to drive the U-shaped frame 1425 to move upwards, the U-shaped frame 1425 moves upwards to enter the U-shaped air pressure channel 1421 so that the air pressure in the U-shaped air pressure channel 1421 is increased, the air pressure pushes the adjusting wedge block 1423 to move upwards, the adjusting wedge block 1423 moves upwards to move oppositely under the matching action of the second inclined surface 1424 and the first inclined surface 1420, and the two adjusting slide blocks 142 move oppositely so that the execution clamping rod 144 clamps the iron core 131;
when iron core 131 needs the dismouting, linear drive motor 12 reverse motion makes execute clamping bar 144 will iron core 131 relaxs, the design of iron core dismouting seat 14 makes when the installation of iron core 131 is more stable, make the dismantlement of iron core 131 is more convenient, compare in iron core 131's fixed mounting iron core 131 uses the installation of iron core dismouting seat 14 makes iron core 131 can change the maintenance at any time when damaging, has practiced thrift high voltage direct current contactor's maintenance and use cost (promptly iron core 131 damages to cause high voltage direct current contactor can not normal operating, only need change or maintain iron core 131 can, needn't change again high voltage direct current contactor whole part).
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a pottery and dual canned type high voltage direct current contactor of epoxy, its characterized in that, includes shell (10), be equipped with coil support (2) in shell (10), installation cavity (130) have been seted up at coil support (2) middle part, be equipped with the movable contact in installation cavity (130) and drive the subassembly, coil support (2) circumference winding has coil (13), coil support (2) overcoat is equipped with plastic casing (1), and both pass through mounting groove (201) on plastic casing (1) with lug (200) on coil support (2) mutually support and realize mutual joint location.
2. The ceramic and epoxy double-sealed high-voltage direct current contactor according to claim 1, wherein the moving contact driving assembly comprises an iron core (131), the iron core (131) is located in the installation cavity (130), a transmission rod (132) is sleeved in the iron core (131), a first insulating seat (8) and a second insulating seat (9) are further arranged in the housing (10), the first insulating seat (8) and the second insulating seat (9) are sleeved outside the transmission rod (132), and a moving contact (11) is fixedly connected outside the first insulating seat (8).
3. Ceramic and epoxy double sealed type hvdc contactor according to claim 2, wherein the portion of said transmission rod (132) located inside said iron core (131) is sleeved with a first compression spring (133), and the portion of said transmission rod (132) located between said first insulating base (8) and said second insulating base (9) is sleeved with a second compression spring (134).
4. The ceramic and epoxy double sealing type high-voltage direct current contactor according to claim 3, wherein one end of the first pressure spring (133) abuts against the inner wall of the iron core (131), the other end of the first pressure spring (133) abuts against an abutting table (136) in the housing (10), the abutting table (136) is connected with a top bolt of the coil support (2), one end of the second pressure spring (134) abuts against the second insulating seat (9), and the other end of the second pressure spring (134) abuts against the bottom of the movable contact (11).
5. The ceramic and epoxy double-sealing type high-voltage direct current contactor according to claim 4, wherein a ceramic inner supporting cover (3) is arranged in the outer shell (10), a contact valve ring (6) and a large valve ring (7) are welded on the ceramic inner supporting cover (3), a static contact (5) is welded in the contact valve ring (6), and epoxy resin (4) is poured on the ceramic inner supporting cover (3).
6. The ceramic and epoxy double-sealing type high-voltage direct-current contactor according to claim 5, wherein the welding mode between the contact valve ring (6) and the large valve ring (7) and the ceramic inner support cover (3) is ceramic brazing technology welding, an arc extinguishing cavity (100) is arranged below the ceramic inner support cover (3) in the housing (10), and arc extinguishing gas is filled in the arc extinguishing cavity (100).
7. The ceramic and epoxy double sealed type HVDC contactor of claim 6, wherein the arc-extinguishing gas is an inert gas, and the inert gas may be any one of argon and helium.
8. Ceramic and epoxy double sealed type high voltage direct current contactor according to claim 1, characterized in that a heat dissipating metal grid (135) is provided inside the housing (10).
9. The ceramic and epoxy double-sealing type high-voltage direct current contactor according to claim 1, wherein the moving contact driving assembly comprises an iron core (131), an iron core assembling and disassembling seat (14) is arranged at the bottom of the inner wall of the housing (10), an iron core mounting hole (140) is formed in the iron core assembling and disassembling seat (14), the iron core (131) is mounted in the iron core mounting hole (140), two symmetrically arranged clamping sliding grooves (141) are formed in the iron core assembling and disassembling seat (14), the clamping sliding grooves (141) are slidably connected with an adjusting slide block (142), a compression spring (143) is fixedly connected to the adjusting slide block (142), one end of the compression spring (143) far away from the adjusting slide block (142) is fixedly connected with the inner wall of the clamping sliding groove (141), and an execution clamping rod (144) is arranged at one end of the adjusting slide block (142) far away from the compression spring (143), the execution clamping rod (144) is provided with a driving assembly, and the driving assembly is used for driving the execution clamping rod (144) to slide left and right along the clamping sliding groove (141).
10. The ceramic and epoxy double-sealing type high-voltage direct current contactor as claimed in claim 9, wherein a first inclined plane (1420) is disposed on the adjusting slider (142), the driving assembly comprises a fixing block (145), the fixing block (145) is disposed in the core dismounting seat (14), a U-shaped air pressure channel (1421) is disposed in the fixing block (145), adjusting wedge blocks (1423) are slidably connected to two outlet ends (1422) of the U-shaped air pressure channel (1421) in a sealing manner, a second inclined plane (1424) is disposed on an upper surface of the adjusting wedge blocks (1423), the first inclined plane (1420) and the second inclined plane (1424) are mutually matched, a U-shaped frame (1425) is slidably connected to the fixing block (145) in an up-down manner, the U-shaped frame (1425) comprises two symmetrically arranged sliding bars (1426) and an adjusting base (1427), the two sliding bars (1426) are fixedly connected to the adjusting base (1427), slide bar (1426) are located fixed block (145) with adjust the part between base (1427) and be equipped with buffer spring (1428), adjust base (1427) bottom and be equipped with two symmetrical arrangement's slope inclined plane (146), iron core dismouting seat (14) inner wall bottom is equipped with two symmetrical arrangement's first cooperation inclined plane (147), iron core dismouting seat (14) inner wall bottom side-to-side sliding connection has cooperation wedge (148), be equipped with second cooperation inclined plane (1480) on cooperation wedge (148), first cooperation inclined plane (147) with second cooperation inclined plane (1480) are mutually supported, be equipped with linear driving motor (12) on cooperation wedge (148), linear driving motor (12) are used for driving cooperation wedge (148) are followed iron core dismouting seat (14) inner wall bottom side-to-side slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298024.8U CN216435796U (en) | 2021-09-23 | 2021-09-23 | Pottery and dual canned type high voltage direct current contactor of epoxy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298024.8U CN216435796U (en) | 2021-09-23 | 2021-09-23 | Pottery and dual canned type high voltage direct current contactor of epoxy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216435796U true CN216435796U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122298024.8U Active CN216435796U (en) | 2021-09-23 | 2021-09-23 | Pottery and dual canned type high voltage direct current contactor of epoxy |
Country Status (1)
| Country | Link |
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| CN (1) | CN216435796U (en) |
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2021
- 2021-09-23 CN CN202122298024.8U patent/CN216435796U/en active Active
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