CN220306170U - Direct current contactor with large arc extinguishing space - Google Patents
Direct current contactor with large arc extinguishing space Download PDFInfo
- Publication number
- CN220306170U CN220306170U CN202321804631.XU CN202321804631U CN220306170U CN 220306170 U CN220306170 U CN 220306170U CN 202321804631 U CN202321804631 U CN 202321804631U CN 220306170 U CN220306170 U CN 220306170U
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- China
- Prior art keywords
- direct current
- current contactor
- notch
- shell
- arc extinguishing
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008033 biological extinction Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a direct current contactor with large arc extinguishing space, and relates to the technical field of direct current contactors; the utility model comprises a connecting plate, wherein the top surface of the connecting plate is provided with a shell, a direct current contactor main body is arranged in the shell, heat dissipation fans are embedded in two side surfaces of the shell, a notch is arranged on the end surface of the shell, a movable rod is arranged in the notch, the top end of the movable rod is fixedly connected with a screw rod, the bottom end of the movable rod is provided with a hinge seat, the upper part of the side wall of the screw rod is sleeved with a transverse plate, the transverse plate is positioned above the shell, and the size of the transverse plate is larger than that of the notch; according to the utility model, gaps are reserved between the two sides of the inner wall of the shell and the DC contactor main body so as to facilitate arc extinction, the shell can protect the DC contactor main body, and meanwhile, the shell can be disassembled and assembled so as to facilitate maintenance or replacement of the DC contactor main body, and the DC contactor main body can be in a proper working environment.
Description
Technical Field
The utility model relates to the technical field of direct current contactors, in particular to a direct current contactor with a large arc extinguishing space.
Background
The direct current contactor is mainly used for direct current on-off of various new energy field occasions, solar photovoltaic systems and other direct current systems, such as fields of new energy automobiles, charging piles, direct current measuring current on-off of photovoltaic inverters, energy storage battery packs and the like. In a direct current contactor, arc-extinguishing magnetic steel is generally installed around an electric shock, and an arc is rapidly elongated by utilizing a magnetic blowing mode to achieve the aim of arc extinction.
In the prior art, when the direct current contactor is used, no protective component is arranged, most of the direct current contactor is in an exposed state, unnecessary troubles can be caused when the direct current contactor is in arc extinction, and when the direct current contactor is collided by an object, the direct current contactor is easy to interfere or damage, so that the inventor proposes a direct current contactor with large arc extinction space to solve the problems.
Disclosure of Invention
In order to solve the problems that the direct current contactor in the prior art is not provided with a protection component when in use, the direct current contactor is mostly in an exposed state, unnecessary trouble can be caused when arc extinction is carried out, and the direct current contactor is easy to interfere or damage when the direct current contactor is collided by an object; the utility model aims to provide a direct current contactor with a large arc extinguishing space.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a direct current contactor that arc extinguishing space is big, includes the connecting plate, the top surface of connecting plate is provided with the casing, the inside of casing is provided with the direct current contactor main part, the both sides face of casing is all embedded to be provided with the heat dissipation fan, the terminal surface of casing is provided with the notch, the inside of notch is provided with the movable rod, the top fixedly connected with screw rod of movable rod, the bottom of movable rod is provided with the hinge seat, the lateral wall upper portion cover of screw rod is equipped with the diaphragm, the diaphragm is located the top of casing, just the size of diaphragm is greater than the size of notch.
Preferably, the dc contactor main body includes a connection end, the top surface of the housing is provided with a slot through, the connection end corresponds to and matches with the slot, when the dc contactor main body is installed and used, the dc contactor main body is located in the housing to protect the dc contactor main body, and a gap is left between two sides of the inner wall of the housing and the dc contactor main body, and care needs to be taken that the connection end corresponds to the slot when the dc contactor main body is installed so as to be connected with an external component.
Preferably, the lateral wall of heat dissipation fan is provided with the framework, the lateral wall of framework and the lateral wall fixed connection of casing, the frame is provided with the link in a detachable way in the one side of casing dorsad, the inside wall fixedly connected with protection network of link can increase the circulation of the inside and outside air of casing through the heat dissipation fan to dispel the heat to the casing is inside, and then makes the direct current contactor main part be in suitable operational environment, and the protection network is used for avoiding external debris to enter into heat dissipation fan department, and then also avoids debris to enter into in the casing through the heat dissipation fan.
Preferably, the top of diaphragm is provided with the nut, the nut corresponds and cooperatees with the screw rod, twists the nut, can make diaphragm and casing chucking or separation through the mutually supporting of nut and screw rod, the hinge seat is located the notch, the bottom surface fixedly connected with slider of hinge seat, the bottom surface middle part of slider is provided with the spout, the top surface fixedly connected with slide rail of connecting plate, the slide rail with corresponding and sliding connection of spout, can adjust the position of slider through the mutually supporting of slide rail and spout, and then can adjust the position of hinge seat, the lateral wall fixedly connected with flange of slider, the top surface of flange alternates threaded connection and has fastening bolt, fastening bolt's rod end is corresponding with the slide rail, just fastening bolt's pole portion can extend to slide rail department, twists behind the position of adjusting the slider for fastening bolt's rod end closely laminates with the top surface of slide rail, thereby can carry out spacing fixedly to the slider after adjusting.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, gaps are reserved between the two sides of the inner wall of the shell and the DC contactor main body so as to carry out arc extinction, the shell can protect the DC contactor main body, and meanwhile, the shell can be disassembled and assembled so as to overhaul or replace the DC contactor main body;
2. according to the utility model, the circulation of air inside and outside the shell can be increased through the heat dissipation fan so as to dissipate heat inside the shell, so that the direct current contactor main body is in a proper working environment, and the arranged protective net is used for preventing external sundries from entering the heat dissipation fan and sundries from entering the shell through the heat dissipation fan.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the internal structure of the housing of the present utility model.
FIG. 3 is an enlarged view of the utility model at A.
Fig. 4 is an enlarged view of the utility model at B.
In the figure: 1. a housing; 2. a connecting plate; 3. a notch; 4. a DC contactor main body; 5. a connection end; 6. a frame; 7. a heat dissipation fan; 8. a connecting frame; 9. a protective net; 10. a notch; 11. a slide rail; 12. a slide block; 13. a convex plate; 14. a fastening bolt; 15. a hinge base; 16. a movable rod; 17. a screw; 18. a cross plate; 19. and (3) a nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-4, the utility model provides a direct current contactor with a large arc extinguishing space, which comprises a connecting plate 2, wherein a shell 1 is arranged on the top surface of the connecting plate 2, a direct current contactor main body 4 is arranged in the shell 1, radiating fans 7 are embedded in two side surfaces of the shell 1, a notch 10 is arranged on the end surface of the shell 1, a movable rod 16 is arranged in the notch 10, a screw rod 17 is fixedly connected to the top end of the movable rod 16, a hinge seat 15 is arranged at the bottom end of the movable rod 16, a transverse plate 18 is sleeved on the upper part of the side wall of the screw rod 17, the transverse plate 18 is positioned above the shell 1, and the size of the transverse plate 18 is larger than that of the notch 10.
The direct current contactor main body 4 comprises a connecting end 5, a notch 3 is formed in the top surface of the shell 1 in a penetrating mode, and the connecting end 5 corresponds to and is matched with the notch 3.
Through adopting above-mentioned technical scheme, when installing the use, be located casing 1 with direct current contactor main part 4 to protect direct current contactor main part 4, and leave the space between casing 1 inner wall both sides and the direct current contactor main part 4, and need make link 5 and notch 3 corresponding when installing direct current contactor main part 4 to be connected with external part.
The lateral wall of heat dissipation fan 7 is provided with framework 6, and the lateral wall of framework 6 and the lateral wall fixed connection of casing 1, and the one side of framework 6 back to casing 1 can be dismantled and be provided with link 8, and the inside wall fixedly connected with protection network 9 of link 8.
Through adopting above-mentioned technical scheme, can increase the circulation of the inside and outside air of casing 1 through cooling fan 7 to dispel the heat to casing 1 is inside, and then makes direct current contactor main part 4 be in suitable operational environment, and protection network 9 is used for avoiding external debris to enter into cooling fan 7 departments, and then also avoids debris to enter into in the casing 1 through cooling fan 7.
A nut 19 is arranged above the transverse plate 18, and the nut 19 corresponds to and is matched with the screw 17.
By adopting the technical scheme, the nut 19 is screwed, and the transverse plate 18 and the shell 1 can be clamped or separated through the mutual matching of the nut 19 and the screw 17.
The hinge seat 15 is located in the notch 10, the bottom surface fixedly connected with slider 12 of hinge seat 15, and the bottom surface middle part of slider 12 is provided with the spout, and the top surface fixedly connected with slide rail 11 of connecting plate 2, slide rail 11 and spout correspond and sliding connection.
Through adopting above-mentioned technical scheme, can adjust the position of slider 12 through the mutually supporting of slide rail 11 and spout, and then can adjust the position of hinge seat 15.
The side wall of the sliding block 12 is fixedly connected with a convex plate 13, the top surface of the convex plate 13 is connected with a fastening bolt 14 in a threaded manner, the rod end of the fastening bolt 14 corresponds to the sliding rail 11, and the rod part of the fastening bolt 14 can extend to the sliding rail 11.
Through adopting above-mentioned technical scheme, after adjusting the position of slider 12, twist fastening bolt 14 for fastening bolt 14's rod end and the top surface of slide rail 11 closely laminate, thereby can carry out spacing fixed to slider 12 after the adjustment.
Working principle: when the direct current contactor is used, the direct current contactor main body 4 is positioned in the shell 1, and the connecting end 5 corresponds to the notch 3 so as to be connected with an external part;
then, the position of the sliding block 12 is adjusted through the mutual matching of the sliding rail 11 and the sliding groove, after the position of the sliding block 12 is adjusted, the fastening bolt 14 is screwed, so that the rod end of the fastening bolt 14 is tightly attached to the top surface of the sliding rail 11, the adjusted sliding block 12 can be limited and fixed, the hinge seat 15 is positioned in the notch 10, then the movable rod 16 is rotated, the movable rod 16 is vertically positioned in the notch 10, the transverse plate 18 is sleeved on the screw 17, the bottom surface of the transverse plate 18 is contacted with the top surface of the shell 1, the nut 19 is screwed, the transverse plate 18 is clamped with the shell 1 through the mutual matching of the nut 19 and the screw 17, and the fixation of the shell 1 and the connecting plate 2 can be completed;
when need dispel the heat, can increase the circulation of the inside and outside air of casing 1 through heat dissipation fan 7 to dispel the heat to casing 1 is inside, and then makes direct current contactor main part 4 be in suitable operational environment, and protection network 9 is used for avoiding external debris to enter into heat dissipation fan 7 department, and then also avoids debris to enter into in the casing 1 through heat dissipation fan 7.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a direct current contactor that arc extinguishing space is big, includes connecting plate (2), its characterized in that: the top surface of connecting plate (2) is provided with casing (1), the inside of casing (1) is provided with direct current contactor main part (4), the both sides face of casing (1) is all embedded to be provided with radiator fan (7), the terminal surface of casing (1) is provided with notch (10), the inside of notch (10) is provided with movable rod (16), the top fixedly connected with screw rod (17) of movable rod (16), the bottom of movable rod (16) is provided with hinge seat (15), the lateral wall upper portion cover of screw rod (17) is equipped with diaphragm (18), diaphragm (18) are located the top of casing (1), just the size of diaphragm (18) is greater than the size of notch (10).
2. A large arc extinguishing space direct current contactor according to claim 1, characterized in that the direct current contactor body (4) comprises a connecting end (5), the top surface of the housing (1) is provided with a notch (3) in a penetrating way, and the connecting end (5) corresponds to and is matched with the notch (3).
3. The direct current contactor with large arc extinguishing space according to claim 1, wherein a frame body (6) is arranged on the side wall of the heat dissipation fan (7), and the side wall of the frame body (6) is fixedly connected with the side wall of the shell (1).
4. A direct current contactor with large arc extinguishing space according to claim 3, characterized in that a connecting frame (8) is detachably arranged on one surface of the frame body (6) back to the shell body (1), and a protective net (9) is fixedly connected to the inner side wall of the connecting frame (8).
5. A direct current contactor with a large arc extinguishing space according to claim 1, characterized in that a nut (19) is arranged above the cross plate (18), said nut (19) corresponding to and cooperating with the screw (17).
6. The direct current contactor with large arc extinguishing space according to claim 1, wherein the hinge base (15) is located in the notch (10), a sliding block (12) is fixedly connected to the bottom surface of the hinge base (15), a sliding groove is formed in the middle of the bottom surface of the sliding block (12), a sliding rail (11) is fixedly connected to the top surface of the connecting plate (2), and the sliding rail (11) corresponds to the sliding groove and is in sliding connection.
7. The direct current contactor with large arc extinguishing space according to claim 6, wherein the side wall of the sliding block (12) is fixedly connected with a convex plate (13), and the top surface of the convex plate (13) is threaded
Is connected with a fastening bolt (14), the rod end of the fastening bolt (14) corresponds to the sliding rail (11),
and the rod part of the fastening bolt (14) can extend to the sliding rail (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804631.XU CN220306170U (en) | 2023-07-11 | 2023-07-11 | Direct current contactor with large arc extinguishing space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804631.XU CN220306170U (en) | 2023-07-11 | 2023-07-11 | Direct current contactor with large arc extinguishing space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306170U true CN220306170U (en) | 2024-01-05 |
Family
ID=89372920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804631.XU Active CN220306170U (en) | 2023-07-11 | 2023-07-11 | Direct current contactor with large arc extinguishing space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306170U (en) |
-
2023
- 2023-07-11 CN CN202321804631.XU patent/CN220306170U/en active Active
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