CN114664517A - Current transformer - Google Patents
Current transformer Download PDFInfo
- Publication number
- CN114664517A CN114664517A CN202210373591.1A CN202210373591A CN114664517A CN 114664517 A CN114664517 A CN 114664517A CN 202210373591 A CN202210373591 A CN 202210373591A CN 114664517 A CN114664517 A CN 114664517A
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- fixedly connected
- current transformer
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- supporting
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- 230000000694 effects Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
Abstract
The invention relates to a current transformer, which comprises a transformer body, wherein the transformer body is arranged in a moving assembly, the moving assembly comprises a moving box, a connecting assembly and a moving cover, a placing opening is formed in the moving box, and the moving cover is movably connected to one end, provided with the placing opening, of the moving box through the connecting assembly; the special moving device is arranged for the current transformer, the current transformer can be prevented from being damaged due to external impact, and the current transformer can be prevented from being damaged due to the impact when the current transformer moves relative to the moving device.
Description
Technical Field
The invention relates to the technical field of current transformers, in particular to a current transformer.
Background
The current transformer principle is based on the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary winding has more turns and is connected in series in a measuring instrument and a protection circuit, and the secondary circuit of the current transformer is always closed when the current transformer works, so that the impedance of a series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer is a precise instrument and needs to be prevented from colliding in the using process. However, in the moving process of the existing current transformer, only one layer of foam and a paper box is coated on the periphery of the current transformer, so that the current transformer is easily damaged when collision occurs. In order to solve the above problems, the present invention provides a current transformer.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the practical needs and provide a current transformer to solve the technical problems.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a current transformer comprises a transformer body, wherein the transformer body is arranged in a moving assembly, the moving assembly comprises a moving box, a connecting assembly and a moving cover, a placing opening is formed in the moving box, and the moving cover is movably connected to one end, provided with the placing opening, of the moving box through the connecting assembly.
Furthermore, the connecting assembly comprises a connecting rod, a first supporting spring and a rotating rod, the connecting rod is movably inserted into the moving box and abuts against the lower end of the moving cover, the rotating rod is fixedly inserted into the connecting rod and rotatably arranged on a supporting block, the supporting block is fixedly connected to the lower end face of the moving cover, one end of the first supporting spring is fixedly connected to the lower end face of the moving cover, and the other end of the first supporting spring is fixedly connected to the lower end face of the moving cover.
Further, the number of the connecting rods is two, and the two connecting rods are symmetrically arranged relative to the moving cover.
Furthermore, a locking mechanism is arranged in the moving assembly.
Furthermore, the locking mechanism comprises a locking rod and a second supporting spring, the locking rod is movably inserted into a top plate of the moving box, the second supporting spring is wound outside the connecting rod, two ends of the second supporting spring are fixedly connected to the side wall of the locking rod and the outer top wall of the moving box respectively, a pull plate is fixedly connected to the upper end of the locking rod, a bearing plate is fixedly connected to one end, facing the moving box, of the moving cover, and a locking hole is formed in the bearing plate.
Furthermore, a pushing mechanism is arranged on one side, facing the moving box, of the moving cover, and comprises a pushing plate and a guiding and resetting mechanism, the pushing plate is fixedly connected to the guiding and resetting mechanism, and the free end of the guiding and resetting mechanism is fixedly connected to the side wall of the moving cover.
Further, direction canceling release mechanical system includes direction release link, a direction section of thick bamboo and direction reset spring, the activity of direction release link is pegged graft in a direction section of thick bamboo that resets, direction reset spring winding is connected outside the direction release link, and direction reset spring's both ends respectively fixed connection on the lateral wall of direction release link and on the lateral wall of a direction section of thick bamboo that resets.
Furthermore, a pressing mechanism is arranged on one side of the moving cover facing the moving box.
Furthermore, the pressing mechanism comprises a pressing plate and a rubber pad, the rubber pad is fixedly connected to the lower end face of the pressing plate, a sliding block is fixedly connected to the side wall of the pressing plate, the sliding block is arranged in a sliding rail in a sliding mode and fixedly connected to the side wall of the moving cover, a moving rod is fixedly connected to the lower end of the sliding block and movably inserted into the sliding rail, a third supporting spring is wound outside the moving rod, two ends of the third supporting spring are fixedly connected to the side wall of the sliding rail and the side wall of the moving rod respectively, one end of a push-pull rod is hinged to the side wall of the moving rod, and the other end of the push-pull rod is hinged to the side wall of the pressing plate.
Furthermore, a collision mechanism is arranged on the pressing plate and comprises a supporting chute and a supporting sliding block, the supporting chute is arranged on the pressing plate, the supporting sliding block is arranged in the supporting chute in a sliding manner, the upper end surface of the supporting sliding block is fixedly connected with a first collision plate, the first collision plate is provided with an anti-blocking moving groove, a second collision plate is movably inserted in the anti-blocking moving groove, the lower end of the second collision plate is fixedly connected with one end of a fourth supporting spring, and the other end of the fourth supporting spring is fixedly connected to the bottom wall of the anti-blocking moving groove; one end of a fifth support spring and one end of a traction steel rope are fixedly connected to the side wall of the support sliding block, the other end of the fifth support spring is fixedly connected to the side wall of the anti-blocking moving groove, and the other end of the traction steel rope is fixedly connected to the side wall of the moving cover.
(3) Has the advantages that:
the special moving device is arranged for the current transformer, and the moving device can prevent the current transformer from being damaged due to external impact and can also prevent the current transformer from being damaged due to impact when the current transformer moves relative to the moving device, so that the current transformer can be prevented from being damaged due to impact in the moving process of the current transformer.
According to the combined structure, the moving box and the moving cover are connected through the connecting component, the moving cover can move in the horizontal direction relative to the moving box and can rotate relative to the moving box, and the mutual inductor body can be conveniently taken from the moving component due to the arrangement of the combined structure.
The locking mechanism is arranged on the moving box and the moving cover and used for realizing the relative locking of the moving box and the moving cover, and the locking mechanism has reasonable structural design and does not need manual operation in the actual locking process, so the operation difficulty of equipment can be reduced.
The pushing mechanism is arranged on one side, facing the moving box, of the moving cover, and particularly, the pushing mechanism is driven to move in the process that the moving cover moves to the moving box, and the movement of the pushing mechanism can form interference from the side wall of the mutual inductor body, so that the mutual inductor body is stably placed in the moving box.
According to the invention, the pressing mechanism is arranged in the moving box, and the pressing effect can be realized from the upper part of the mutual inductor body by the arrangement of the pressing mechanism, so that the pressing mechanism is used for assisting the pushing mechanism, the mutual inductor body is better fastened in the moving box, the mutual inductor body is prevented from shaking in the moving box, and the mutual inductor body is prevented from being impacted.
The abutting mechanism is arranged in the moving box, the abutting effect on the locking rod can be realized, particularly, the abutting effect of the abutting mechanism on the locking rod can prevent the locking rod from moving, and therefore the locking rod can be prevented from moving out of the locking hole under the action of vibration.
The device provided by the invention is reasonable in structural design, and particularly, in the process of plugging the placing opening of the moving box by the moving cover, the locking mechanism, the pushing mechanism, the pressing mechanism and the abutting mechanism are linked, so that the operation difficulty of the device can be reduced, and meanwhile, the working performance of the device can be improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a current transformer according to the present invention;
FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 of the current transformer of the present invention;
FIG. 3 is a schematic diagram of a left-view cutting structure of the moving cover in FIG. 1 of the current transformer of the present invention;
FIG. 4 is an enlarged schematic view of structure B in FIG. 3 of the current transformer of the present invention;
fig. 5 is an enlarged schematic view of the structure C in fig. 3 of the current transformer of the present invention.
The reference numbers are as follows:
the mutual inductor comprises a mutual inductor body 1, a moving assembly 2, a moving box 21, a connecting assembly 22, a connecting rod 221, a first supporting spring 222, a rotating rod 223, a supporting block 224, a moving cover 23, a locking mechanism 3, a locking rod 31, a second supporting spring 32, a drawing plate 33, a locking hole 34, a supporting plate 35, a pushing mechanism 4, a pushing plate 41, a guiding reset mechanism 42, a guiding reset rod 421, a guiding reset cylinder 422, a guiding reset spring 423, a pressing mechanism 5, a pressing plate 51, a rubber pad 52, a sliding block 53, a sliding rail 54, a moving rod 55, a third supporting spring 56, a pushing rod 57, an abutting mechanism 6, a supporting sliding groove 61, a supporting sliding block 62, a first abutting plate 63, an anti-blocking moving groove 64, a second abutting plate 65, a fourth supporting spring 66, a fifth supporting spring 67 and a traction steel rope 68.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 5 and examples:
a current transformer comprises a transformer body, wherein the transformer body is arranged in a moving assembly, the moving assembly comprises a moving box, a connecting assembly and a moving cover, a placing opening is formed in the moving box, and the moving cover is movably connected to one end, provided with the placing opening, of the moving box through the connecting assembly.
In this embodiment, the connecting assembly includes a connecting rod, a first supporting spring and a rotating rod, the connecting rod is movably inserted on the moving box, the connecting rod abuts against the lower end of the moving cover, the rotating rod is fixedly inserted on the connecting rod, the rotating rod is rotatably disposed on a supporting block, the supporting block is fixedly connected to the lower end face of the moving cover, one end of the first supporting spring is fixedly connected to the lower end face of the moving cover, the other end of the first supporting spring is fixedly connected to the lower end face of the moving cover, the number of the connecting rods is two, and the two connecting rods are symmetrically disposed with respect to the moving cover, the moving box and the moving cover are connected by the connecting assembly, and the connecting assembly is disposed to enable the moving cover to move in the horizontal direction relative to the moving box and simultaneously enable the moving cover to rotate relative to the moving box, due to the arrangement of the combined structure, the mutual inductor body can be taken and placed from the moving assembly more conveniently.
In the embodiment, a locking mechanism is arranged in the moving assembly, the locking mechanism comprises a locking rod and a second supporting spring, the locking rod is movably inserted on a top plate of the moving box, the second supporting spring is wound outside a connecting rod, two ends of the second supporting spring are respectively and fixedly connected to the side wall of the locking rod and the outer top wall of the moving box, the upper end of the locking rod is fixedly connected with a pull plate, one end, facing the moving box, of the moving cover is fixedly connected with a bearing plate, and a locking hole is formed in the bearing plate.
In the embodiment, a pushing mechanism is arranged on one side of the moving cover facing the moving box, the pushing mechanism comprises a pushing plate and a guiding reset mechanism, the pushing plate is fixedly connected to the guiding reset mechanism, the free end of the guiding reset mechanism is fixedly connected to the side wall of the moving cover, the guiding reset mechanism comprises a guiding reset rod, a guiding reset cylinder and a guiding reset spring, the guiding reset rod is movably inserted in the guiding reset cylinder, the guiding reset spring is wound outside the guiding reset rod, and two ends of the guiding reset spring are respectively and fixedly connected to the side wall of the guiding reset rod and the outer side wall of the guiding reset cylinder. Therefore, the mutual inductor body is stably placed in the moving box.
In the embodiment, a pressing mechanism is arranged on one side of the moving cover facing the moving box, the pressing mechanism comprises a pressing plate and a rubber pad, the rubber pad is fixedly connected to the lower end face of the pressing plate, a sliding block is fixedly connected to the side wall of the pressing plate, the sliding block is slidably arranged in a sliding rail, the sliding rail is fixedly connected to the side wall of the moving cover, a moving rod is fixedly connected to the lower end of the sliding block and movably inserted into the sliding rail, a third supporting spring is wound outside the moving rod, two ends of the third supporting spring are respectively fixedly connected to the side wall of the sliding rail and the side wall of the moving rod, one end of a push-pull rod is hinged to the side wall of the moving rod, and the other end of the push-pull rod is hinged to the side wall of the pushing plate. Thereby be used for supplementary tight mechanism that pushes away, with the better fastening of mutual-inductor body moving the incasement, prevent that the mutual-inductor body from taking place to rock moving the incasement to avoid the mutual-inductor body to take place the striking.
In the embodiment, the pressing plate is provided with a collision mechanism, the collision mechanism comprises a supporting chute and a supporting sliding block, the supporting chute is arranged on the pressing plate, the supporting sliding block is arranged in the supporting chute in a sliding manner, the upper end surface of the supporting sliding block is fixedly connected with a first collision plate, the first collision plate is provided with an anti-jamming moving groove, a second collision plate is movably inserted into the anti-jamming moving groove, the lower end of the second collision plate is fixedly connected with one end of a fourth supporting spring, and the other end of the fourth supporting spring is fixedly connected to the bottom wall of the anti-jamming moving groove; the side wall of the supporting sliding block is fixedly connected with one end of a fifth supporting spring and one end of a traction steel rope, the other end of the fifth supporting spring is fixedly connected to the side wall of the anti-blocking moving groove, and the other end of the traction steel rope is fixedly connected to the side wall of the moving cover. The device provided by the invention is reasonable in structural design, and particularly, in the process of plugging the placing opening of the moving box by the moving cover, the locking mechanism, the pushing mechanism, the pressing mechanism and the abutting mechanism are linked, so that the operation difficulty of the device can be reduced, and meanwhile, the working performance of the device can be improved.
The working principle of the invention comprises the following processes:
putting the mutual inductor body into a moving box;
then the moving cover is pushed to move towards the moving box, and the moving cover can drive the pushing plate to realize the collision on the mutual inductor body; meanwhile, the movement of the moving cover drives the locking hole to move towards the locking rod through the supporting plate, and under the action of a second supporting spring, the locking rod enters the locking hole to play a locking role;
under the action of the collision force, the pushing plate can move towards the moving cover, the pushing plate can push the moving rod to move downwards through the pushing rod, the sliding block and the pressing plate can be pulled to move downwards by the downward movement of the moving rod, and the pressing plate can drive the rubber pad to complete the pressing effect from the top of the mutual inductor body by the downward movement of the pressing plate;
the in-process of pressure strip downstream can pull supporting slider left motion through drawing the steel cable, and supporting slider's left motion can take the integrated configuration of a touch panel, anti-sticking shift chute, No. two touch panels and No. four supporting spring to move left, and the motion left of one of them touch panel and No. two touch panels can realize the conflict to the locking lever to under the effect of contact department friction power, can effectively prevent that the locking lever from taking place to remove.
The invention has the beneficial effects that:
the special moving device is arranged for the current transformer, and the moving device can prevent the current transformer from being damaged due to external impact and can also prevent the current transformer from being damaged due to impact when the current transformer moves relative to the moving device, so that the current transformer can be prevented from being damaged due to impact in the moving process of the current transformer.
The moving box and the moving cover are connected through the connecting assembly, the moving cover can move in the horizontal direction relative to the moving box through the arrangement of the connecting assembly, meanwhile, the moving cover can rotate relative to the moving box, and due to the arrangement of the combined structure, the mutual inductor body can be taken and placed from the moving assembly more conveniently.
The locking mechanism is arranged on the moving box and the moving cover and used for realizing the relative locking of the moving box and the moving cover, and the locking mechanism has reasonable structural design and does not need manual operation in the actual locking process, so the operation difficulty of equipment can be reduced.
The pushing mechanism is arranged on one side, facing the moving box, of the moving cover, and particularly, the pushing mechanism is driven to move in the process that the moving cover moves to the moving box, and the movement of the pushing mechanism can form interference from the side wall of the mutual inductor body, so that the mutual inductor body is stably placed in the moving box.
According to the invention, the pressing mechanism is arranged in the moving box, and the pressing effect can be realized from the upper part of the mutual inductor body by the arrangement of the pressing mechanism, so that the pressing mechanism is used for assisting the pushing mechanism, the mutual inductor body is better fastened in the moving box, the mutual inductor body is prevented from shaking in the moving box, and the mutual inductor body is prevented from being impacted.
The abutting mechanism is arranged in the moving box, the abutting effect on the locking rod can be realized, particularly, the abutting effect of the abutting mechanism on the locking rod can prevent the locking rod from moving, and therefore the locking rod can be prevented from moving out of the locking hole under the action of vibration.
The device provided by the invention is reasonable in structural design, and particularly, in the process of plugging the placing opening of the moving box by the moving cover, the locking mechanism, the pushing mechanism, the pressing mechanism and the abutting mechanism are linked, so that the operation difficulty of the device can be reduced, and meanwhile, the working performance of the device can be improved.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. A current transformer comprises a transformer body (1) and is characterized in that the transformer body (1) is arranged in a moving assembly (2), the moving assembly (2) comprises a moving box (21), a connecting assembly (22) and a moving cover (23), a placing opening is formed in the moving box (21), and the moving cover (23) is movably connected to one end, provided with the placing opening, of the moving box (21) through the connecting assembly (22).
2. The current transformer of claim 1, wherein: the connecting assembly (22) comprises a connecting rod (221), a first supporting spring (222) and a rotating rod (223), the connecting rod (221) is movably inserted into the moving box (21), the connecting rod (221) abuts against the lower end of the moving cover (23), the rotating rod (223) is fixedly inserted into the connecting rod (221) in a inserting mode, the rotating rod (223) is rotatably arranged on the supporting block (224), the supporting block (224) is fixedly connected to the lower end face of the moving cover (23), one end of the first supporting spring (222) is fixedly connected to the lower end face of the moving cover (23), and the other end of the first supporting spring (222) is fixedly connected to the lower end face of the moving cover (23).
3. The current transformer of claim 2, wherein: the number of the connecting rods (221) is two, and the two connecting rods (221) are symmetrically arranged relative to the moving cover (23).
4. The current transformer of any one of claims 1-3, wherein: a locking mechanism (3) is arranged in the moving component (2).
5. The current transformer of claim 4, wherein: the locking mechanism (3) comprises a locking rod (31) and a second supporting spring (32), the locking rod (31) is movably inserted into a top plate of the moving box (21), the second supporting spring (32) is wound outside the connecting rod (221), two ends of the second supporting spring (32) are fixedly connected to the side wall of the locking rod (31) and the outer top wall of the moving box (21) respectively, the upper end of the locking rod (31) is fixedly connected with a drawing plate (33), one end, facing the moving box (21), of the moving cover (23) is fixedly connected with a bearing plate (35), and a locking hole (34) is formed in the bearing plate (35).
6. The current transformer of any one of claims 1-3, wherein: the side, facing the moving box (21), of the moving cover (23) is provided with a pushing mechanism (4), the pushing mechanism (4) comprises a pushing plate (41) and a guiding reset mechanism (42), the pushing plate (41) is fixedly connected to the guiding reset mechanism (42), and the free end of the guiding reset mechanism (42) is fixedly connected to the side wall of the moving cover (23).
7. The current transformer of claim 6, wherein: the direction canceling release mechanical system (42) is including direction release link (421), the section of thick bamboo that resets of direction (422) and direction reset spring (423), direction release link (421) activity is pegged graft in the section of thick bamboo that resets of direction (422), direction reset spring (423) winding is connected outside direction release link (421), and the both ends of direction reset spring (423) fixed connection respectively on the lateral wall of the section of thick bamboo that resets of direction (421) and the lateral wall of the section of thick bamboo that resets of direction (422).
8. The current transformer of claim 6, wherein: a pressing mechanism (5) is arranged on one side of the moving cover (23) facing the moving box (21).
9. The current transformer of claim 8, wherein: the pressing mechanism (5) comprises a pressing plate (51) and a rubber pad (52), the lower end surface of the pressing plate (51) is fixedly connected with the rubber pad (52), and the side wall of the pressure strip (51) is fixedly connected with a slide block (53), the slide block (53) is arranged in a slide rail (54) in a sliding way, the slide rail (54) is fixedly connected on the side wall of the moving cover (23), the lower end of the slide block (53) is fixedly connected with a moving rod (55), the movable rod (55) is movably inserted on the sliding rail (54), a third supporting spring (56) is wound and connected outside the movable rod (55), and two ends of the third supporting spring (56) are respectively fixedly connected on the side wall of the sliding rail (54) and the side wall of the movable rod (55), the side wall of the movable rod (55) is hinged with one end of a push-pull rod (57), and the other end of the push-pull rod (57) is hinged on the side wall of the push-pull plate (41).
10. The current transformer of claim 9, wherein: the pressing plate (51) is provided with a collision mechanism (6), the collision mechanism (6) comprises a supporting sliding groove (61) and a supporting sliding block (62), the supporting sliding groove (61) is formed in the pressing plate (51), the supporting sliding block (62) is arranged in the supporting sliding groove (61) in a sliding mode, a first collision plate (63) is fixedly connected to the upper end face of the supporting sliding block (62), an anti-blocking moving groove (64) is formed in the first collision plate (63), a second collision plate (65) is movably inserted in the anti-blocking moving groove (64), one end of a fourth supporting spring (66) is fixedly connected to the lower end of the second collision plate (65), and the other end of the fourth supporting spring (66) is fixedly connected to the bottom wall of the anti-blocking moving groove (64); one end of a fifth support spring (67) and one end of a traction steel rope (68) are fixedly connected to the side wall of the support sliding block (62), the other end of the fifth support spring (67) is fixedly connected to the side wall of the anti-blocking moving groove (64), and the other end of the traction steel rope (68) is fixedly connected to the side wall of the moving cover (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373591.1A CN114664517B (en) | 2022-04-11 | 2022-04-11 | Current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373591.1A CN114664517B (en) | 2022-04-11 | 2022-04-11 | Current transformer |
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| CN114664517A true CN114664517A (en) | 2022-06-24 |
| CN114664517B CN114664517B (en) | 2024-03-26 |
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| CN202210373591.1A Active CN114664517B (en) | 2022-04-11 | 2022-04-11 | Current transformer |
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| CN212907299U (en) * | 2020-09-17 | 2021-04-06 | 陕西西特电器有限公司 | Current transformer with shockproof structure |
| CN213583435U (en) * | 2020-12-10 | 2021-06-29 | 吴金站 | Small-size transformer for electric automatization |
| CN214624640U (en) * | 2020-12-30 | 2021-11-05 | 苏州市精益开关有限公司 | Special current transformer for motor car |
| CN214798543U (en) * | 2021-01-29 | 2021-11-19 | 上海华星电器有限公司 | Drawer propulsion interlocking mechanism of distribution box |
| CN113013770A (en) * | 2021-03-04 | 2021-06-22 | 杭州施江银电气成套有限公司 | Modular drawing type mutual inductor for switch cabinet |
| CN215009277U (en) * | 2021-06-02 | 2021-12-03 | 合肥志诚工程设计咨询有限公司 | Electric drawer cabinet |
| CN215185471U (en) * | 2021-06-15 | 2021-12-14 | 浙江湘鸿电气有限公司 | Closing interlocking mechanism special for drawer of power distribution cabinet |
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| CN114664517B (en) | 2024-03-26 |
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