Totally-enclosed vacuum contactor used in new energy motor dragging field
By designing a transversely arranged second mounting groove and heat dissipation plate in the vacuum contactor, the problem of poor heat dissipation effect in the prior art is solved, more efficient heat dissipation and equipment stability are achieved, and the structure is simplicity and economical. sex.
Patent Information
- Application Number
- CN202420840332.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing vacuum contactors have poor heat dissipation effects, resulting in heat accumulation and affecting equipment performance and reliability.
A fully enclosed vacuum contactor is designed, and multiple vacuum arc extinguishing chambers are connected to the second mounting groove arranged horizontally. A heat dissipation plate is provided on the second mounting groove, which increases the heat dissipation area and efficiency.
It improves heat dissipation performance, reduces the temperature of the vacuum arc extinguishing chamber, extends the service life and stability of the equipment, while maintaining the simplicity and economical structure.
Smart Images

Figure CN222168192U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of contactors, and more specifically to a fully enclosed vacuum contactor used in the field of new energy motor driving. Background Art
[0002] Specifically, the Chinese patent with application number "CN200510028754.9" and patent name "AC vacuum contactor" includes a main body and a shell; the main body includes a vacuum arc extinguishing chamber, an electromagnetic system, an auxiliary contact, a reaction spring, a rectifier, a lever transmission mechanism, a bottom plate, a base, an upper connecting plate, a lower connecting plate, and a soft connection; the lever transmission mechanism has a through hole for a stud of an adjusting screw to pass through, a movable conductive rod extends from the lower end of the stud of the adjusting screw, a movable contact extends from the lower end of the movable conductive rod, the movable contact and the static contact are arranged oppositely, and an arc-shaped positioning piece is provided on the lever transmission mechanism, and the arc-shaped surface of the positioning piece contacts the supporting surface of the head of the adjusting screw. After the improvement, when the power-off command is issued, the electromagnetic attraction disappears, and the armature drives the lever to rotate counterclockwise under the action of the reaction spring, and drives the adjusting screw connected to the contact in the form of line contact, and makes an upward pulling movement along the axis direction of the moving conductive rod, so that the moving and static contacts are horizontally disconnected, and the burning of the contacts is slight and uniform, thereby improving the product performance. However, the above existing scheme is to place multiple vacuum interrupters independently, as described in the patent. Figure 5 It can be known that when the vacuum interrupter generates heat, the heat of each vacuum interrupter can only be discharged from the corresponding heat dissipation slots on the cover, resulting in poor heat dissipation effect, so improvement is needed.
[0003] Therefore, there is a demand for providing a fully enclosed vacuum contactor for use in the field of new energy motor traction, which has good heat dissipation effect, simple structure and high practicality. Summary of the invention
[0004] The main purpose of the present application is to provide a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the fully enclosed vacuum contactor for use in the field of new energy motor traction can effectively utilize its own structural configuration to achieve the advantages of solid-liquid mixed garbage separation and environmental protection.
[0005] Another object of the present application is to provide a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the fully enclosed vacuum contactor for use in the field of new energy motor traction includes a shell, a plurality of vacuum arc extinguishing chambers and a drive assembly, the bottom of the shell has an opening and a cavity, the opening is connected to the cavity, and the opening is also connected to the outside, the other end of the shell also has a plurality of evenly distributed first mounting grooves, the shell is provided with two oppositely arranged second mounting grooves on both sides of the end of the mounting groove, the sides of the two second mounting grooves facing away from each other are both connected to the outside, and the sides of the two second mounting grooves close to each other are both connected to the plurality of first mounting grooves, the second mounting groove is perpendicular to the first mounting groove, and the top of the shell also has an insertion groove, the insertion groove is located between the plurality of first mounting grooves and one of them Between the second mounting grooves, and the two sides of the insertion groove are respectively connected with the corresponding second mounting grooves and multiple first mounting grooves, and the insertion groove is also connected with the cavity, multiple vacuum arc chambers are respectively placed in multiple first mounting grooves, the driving component is arranged in the cavity, and the top of the driving component passes through the insertion groove and cooperates with the moving conductive rods close to the multiple vacuum arc chambers, wherein the top structure of the above-mentioned shell is connected with the second mounting groove due to multiple first mounting grooves, so the heat at the ends of the multiple vacuum arc chambers will be guided to the laterally arranged second mounting groove, and a heat sink can be arranged on the second mounting groove, so different from the prior art, the size of the heat sink of the utility model is smaller than the size of the second mounting groove, so it has more contact areas with the second mounting groove, so compared with the prior art, the heat dissipation performance of the utility model is better.
[0006] Another object of the present application is to provide a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the fully enclosed vacuum contactor for use in the field of new energy motor traction has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.
[0007] In order to achieve at least one of the above invention purposes, the present application provides a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the fully enclosed vacuum contactor for use in the field of new energy motor traction comprises:
[0008] A shell, the bottom of the shell has an opening and a cavity, the opening is connected to the cavity, and the opening is also connected to the outside, the other end of the shell also has a plurality of evenly distributed first mounting grooves, the shell is provided with two oppositely arranged second mounting grooves on both sides of the end of the mounting groove, the two second mounting grooves are opposite to each other on both sides and are connected to the outside, and the two second mounting grooves are close to each other on both sides and are connected to the first mounting grooves, the second mounting groove is perpendicular to the first mounting groove, the top of the shell also has an insertion groove, the insertion groove is located between the first mounting grooves and one of the second mounting grooves, and the two sides of the insertion groove are respectively connected to the corresponding second mounting groove and the first mounting grooves, and the insertion groove is also connected to the cavity;
[0009] a cover assembly, the cover assembly being disposed on the top of the housing, and the cover assembly being disposed on the top capable of closing a plurality of the first mounting grooves and two of the second mounting grooves;
[0010] A plurality of vacuum interrupter chambers, wherein the plurality of vacuum interrupter chambers are respectively disposed in the plurality of first mounting grooves; and
[0011] A driving component is arranged in the cavity, and the top of the driving component passes through the insertion slot and is close to the moving conductive rods of the plurality of vacuum arc extinguishing chambers.
[0012] In one or more embodiments of the present application, a first connecting piece and a second connecting piece are respectively installed at both ends of each vacuum arc extinguishing chamber, and one end of each of the first connecting pieces is placed in the corresponding first mounting groove, and the other end passes through the second mounting groove and is located outside, and one end of each of the second connecting pieces is placed in the corresponding first mounting groove, and the other end passes through the second mounting groove and is located outside.
[0013] In one or more embodiments of the present application, the fully enclosed vacuum contactor used in the field of new energy motor traction also includes a closing cover, which cooperates with the opening to close the cavity, and the bottom of the drive assembly cooperates with the closing cover.
[0014] In one or more embodiments of the present application, the driving assembly includes two electromagnets disposed opposite to each other, both of the electromagnets are placed in the cavity, and the bottoms of the two electromagnets are fixed on the closing cover.
[0015] In one or more embodiments of the present application, the driving assembly further includes a first elastic member, which is located on one side of the two electromagnets and between the two electromagnets, and one end of the first elastic member cooperates with the closing cover.
[0016] In one or more embodiments of the present application, the driving assembly further includes a moving plate, the moving plate is located on the upper side of the two electromagnets, and the other end of the first elastic member cooperates with the moving plate.
[0017] In one or more embodiments of the present application, the driving assembly also includes a rotating plate, which is L-shaped and rotatably disposed in the cavity, and one end of the rotating plate has a third mounting groove, and the end of the movable plate away from the first elastic member is placed in the third mounting groove, and the top of the rotating plate passes through the insertion groove and cooperates with multiple moving conductive rods of the multiple vacuum arc extinguishing chambers.
[0018] In one or more embodiments of the present application, a heat sink is respectively provided in the two second mounting grooves, and the top of the heat sink contacts the bottom of the cover assembly, and the bottom of the heat sink contacts the plurality of first connecting plates or the plurality of second connecting plates.
[0019] In one or more embodiments of the present application, each of the heat dissipation plates further has a plurality of strip-shaped heat dissipation slots. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which:
[0021] Figure 1 The diagram shows the structure of a fully enclosed vacuum contactor used in the field of new energy motor driving. Figure 1 .
[0022] Figure 2 The diagram shows the structure of a fully enclosed vacuum contactor used in the field of new energy motor driving. Figure 2 .
[0023] Figure 3 The diagram shows a partial structural diagram of a fully enclosed vacuum contactor used in the field of new energy motor driving Figure 1 .
[0024] Figure 4 The diagram shows the structure of the shell Figure 1 .
[0025] Figure 5 The diagram shows the structure of the shell Figure 2 .
[0026] Figure 6 The diagram shows a partial structural diagram of a fully enclosed vacuum contactor used in the field of new energy motor driving Figure 2 .
[0027] Figure 7 The diagram shows a partial structural diagram of a fully enclosed vacuum contactor used in the field of new energy motor driving Figure 3 .
[0028] Figure 8 The figure shows a schematic diagram of the structure of the drive assembly.
[0029] Fig. 9 The diagram shows the partial structure of the drive assembly. Figure 1 .
[0030] Fig.10 The diagram shows the partial structure of the drive assembly. Figure 2 .
[0031] Fig.11 The diagram shows the structure of the rotating plate. Figure 1 .
[0032] Fig.12 The diagram shows the structure of the rotating plate. Figure 2 . DETAILED DESCRIPTION
[0033] The terms and words used in the following specification and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.
[0034] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.
[0035] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the utility model concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.
[0036] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.
[0037] Schematic diagram of a fully enclosed vacuum contactor used in the field of new energy motor driving
[0038] refer to Figures 1 to 12 According to a preferred embodiment of the utility model, a fully enclosed vacuum contactor for use in the field of new energy motor driving is provided. It should be noted that the structure of the fully enclosed vacuum contactor for use in the field of new energy motor driving is as follows: Figure 4 and Figure 5 As shown, it includes a shell 10, the bottom of the shell 10 has an opening and a cavity 101, the opening is connected to the cavity 101, and the opening is also connected to the outside. It should also be noted that the other end of the shell 10 also has a plurality of evenly distributed first mounting grooves 102, and the shell 10 is provided with two oppositely arranged second mounting grooves 103 on both sides of the end of the mounting groove, the two second mounting grooves 103 are opposite to each other on the side both connected to the outside, and the two second mounting grooves 103 are close to each other on the side both connected to the plurality of first mounting grooves 102. It is worth mentioning that the second mounting groove 103 is perpendicular to the first mounting groove 102.
[0039] It should also be noted that the fully enclosed vacuum contactor for the field of new energy motor driving further includes a cover assembly 20, which is disposed on the top of the housing 10, and the cover assembly 20 is disposed on the top of the housing 10 to be able to close the first plurality of mounting grooves 102 and the second plurality of mounting grooves 103. Figure 2 and Figure 3 The structure of the cover assembly 20 is shown.
[0040] It should also be noted that each of the first mounting grooves 102 is provided with a vacuum arc extinguishing chamber 30, wherein those skilled in the art should understand that the vacuum arc extinguishing chamber 30 is a prior art and can be directly purchased by users on the market. It should also be noted that a first connecting piece 40 and a second connecting piece 50 are respectively installed at both ends of each of the vacuum arc extinguishing chambers, and one end of the plurality of first connecting pieces 40 is placed in the corresponding first mounting groove 102, and the other end passes through the second mounting groove 103 and is located outside, and one end of the plurality of second connecting pieces 50 is placed in the corresponding first mounting groove 102, and the other end passes through the second mounting groove 103 and is located outside. And those skilled in the art should understand that, the multiple first connecting pieces 40 and the multiple second connecting pieces 50 are placed at the external ends and connected to the external circuit. It should also be noted that the above-mentioned first connecting piece 40 is connected to the moving conductive rod of the vacuum arc chamber 30, and the above-mentioned second connecting piece 50 is connected to the static conductive rod of the vacuum arc chamber 30. In addition, the multiple first connecting pieces 40 and the multiple second connecting pieces 50 are all in contact with the bottom wall forming the second mounting groove 103.
[0041] Furthermore, the top of the shell 10 also has an insertion groove 104, and the insertion groove 104 is located between the plurality of first mounting grooves 102 and one of the second mounting grooves 103, and the two sides of the insertion groove 104 are respectively connected with the corresponding second mounting groove 103 and the plurality of first mounting grooves 102, and the insertion groove 104 is also connected with the cavity 101.
[0042] It should be noted that the fully enclosed vacuum contactor for the field of new energy motor traction also includes a drive assembly 60, which is arranged in the cavity 101, and the top of the drive assembly 60 passes through the insertion slot 104 and is close to the ends of the plurality of vacuum arc chambers 30. It is worth mentioning that the portion of the drive assembly 60 passing through the insertion slot 104 is configured to swing at a predetermined angle, and the moving conductive rods of the plurality of vacuum arc chambers 30 are all matched with the portion of the drive assembly 60 passing through the insertion slot 104, that is, when the portion of the drive assembly 60 passing through the insertion slot 104 swings toward the direction close to the vacuum arc chamber 30, the moving guide rod contacts the static guide rod, and conversely, when the portion of the drive assembly 60 passing through the insertion slot 104 swings away from the vacuum arc chamber 30, the moving guide rod separates from the static guide rod, thereby controlling the on and off of the plurality of vacuum arc chambers 30.
[0043] It is worth mentioning that the fully enclosed vacuum contactor for the new energy motor driving field also includes a closing cover 70, which cooperates with the opening to close the cavity 101, and the bottom of the driving component 60 cooperates with the closing cover 70. Specifically, Figure 8 As shown, the driving assembly 60 includes two electromagnets 61 arranged opposite to each other, both of which are placed in the cavity 101, and the bottoms of the two electromagnets 61 are fixed on the closing cover 70. In addition, the driving assembly 60 also includes a moving plate 62, a rotating plate 63 and a first elastic member 64, the first elastic member 64 is located on one side of the two electromagnets 61, and the first elastic member 64 is also located between the two electromagnets 61, and one end of the first elastic member 64 cooperates with the closing cover 70. The moving plate 62 is located on the upper side of the two electromagnets 61, and the other end of the first elastic member 64 cooperates with the moving plate 62. It should be understood by those skilled in the art that the movable plate 62 is a metal part, wherein when the two electromagnets 61 are powered on, the movable plate 62 is adsorbed on the top of the two electromagnets 61, and the first elastic member 64 is compressed, and conversely when the two electromagnets 61 are powered off, the movable plate 62 is reset by the elastic potential energy of the first elastic member 64, so that the movable plate 62 is spaced a predetermined distance from the electromagnet 61. In addition, the rotating plate 63 is L-shaped, and the rotating plate 63 is rotatably disposed in the cavity 101, and one end of the rotating plate 63 has a third mounting groove 6301, and the end of the movable plate 62 away from the first elastic member 64 is placed in the third mounting groove 6301, and the top of the rotating plate 63 passes through the insertion groove 104, and cooperates with a plurality of movable conductive rods of the plurality of vacuum interrupter chambers 30.
[0044] It should be noted that when the movable plate 62 is adsorbed on the two electromagnets 61, the end of the movable plate 62 that cooperates with the third mounting groove 6301 applies a force to the bottom of the rotating plate 63, thereby causing the rotating plate 63 to rotate. At this time, the rotating plate 63 swings toward the direction close to the vacuum arc extinguishing chamber 30. Conversely, when the movable plate 62 moves away from the two electromagnets 61, the rotating plate 63 is reset.
[0045] In addition, Fig. 9 and 11The matching structure of the rotating plate 63 and the vacuum arc chamber 30 shown in the figure, specifically, one side of the rotating plate 63 has a plurality of evenly distributed fourth mounting grooves, the other side of the rotating plate 63 has a plurality of evenly distributed fifth mounting grooves, and each bottom wall forming the fifth mounting groove has a connecting hole, and the two ends of the connecting hole are respectively connected to the corresponding fifth mounting groove and the sixth mounting groove. The moving conductive rod of the vacuum arc chamber 30 passes through the corresponding fifth mounting groove, the connecting hole and the sixth mounting groove in sequence. It should also be noted that a first assembly component 81 and a second assembly component 82 are also respectively provided on the moving conductive rod, the first assembly component 81 and the second assembly component 82 are both installed on the moving conductive rod, and the first assembly component 81 also matches with the sixth mounting groove, and the second assembly component 82 also matches with the fifth mounting groove. Specifically, when the rotating plate 63 swings in the direction close to the vacuum arc chamber 30, the first assembly component 81 and the second assembly component 82 also match with the fifth mounting groove. The second assembly component 82 is squeezed and drives the moving conductive rod to contact the static conductive rod. Conversely, when the rotating plate 63 swings toward the direction close to the vacuum arc chamber 30, the first assembly component 81 is squeezed and drives the moving conductive rod to separate from the static conductive rod. It is worth mentioning that the second assembly component 82 also includes a second elastic member, that is, when the rotating plate 63 swings toward the direction close to the vacuum arc chamber 30, the elastic member is compressed, and when the rotating plate 63 swings toward the direction away from the vacuum arc chamber 30, the elastic member recovers, thereby ensuring that the rotating plate 63 can be reset through the second elastic member.
[0046] In addition, Figure 3 As shown, the cover assembly 20 also has a built-in switch 21, and the top of the rotating plate 63 also cooperates with the switch 21, that is, when the rotating plate 63 swings toward the direction close to the vacuum arc chamber 30, the switch 21 is triggered, thereby sending a signal that the vacuum arc chamber 30 is disconnected.
[0047] It should be noted that a heat sink 90 is also provided in each of the two second mounting grooves 103, and the top of the heat sink 90 contacts the bottom of the cover assembly 20, and the bottom of the heat sink 90 contacts the first connecting pieces 40 or the second connecting pieces 50. It is worth mentioning that each of the heat sinks 90 also has a plurality of strip-shaped heat sinks 901. The strip-shaped heat sinks 901 are configured to accelerate the heat dissipation of the vacuum arc chamber 30, thereby reducing the temperature of the second mounting groove 103, and thus ensuring the stability of the product.
[0048] In summary, the fully enclosed vacuum contactor used in the field of new energy motor traction based on the embodiment of the present application is explained, which provides the fully enclosed vacuum contactor used in the field of new energy motor traction with advantages such as good heat dissipation effect, simple structure, and high practicality.
[0049] It is worth mentioning that in the embodiment of the present application, the fully enclosed vacuum contactor used in the field of new energy motor traction has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the fully enclosed vacuum contactor used in the field of new energy motor traction provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.
[0050] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.
Claims
1. A fully enclosed vacuum contactor used in the field of new energy motor driving, characterized in that: The fully enclosed vacuum contactor used in the field of new energy motor driving includes: A shell, the bottom of the shell has an opening and a cavity, the opening is connected to the cavity, and the opening is also connected to the outside, the other end of the shell also has a plurality of evenly distributed first mounting grooves, the shell is provided with two second mounting grooves on both sides of the end of the mounting groove, the two second mounting grooves are oppositely arranged, the sides of the two second mounting grooves facing away from each other are both connected to the outside, and the sides of the two second mounting grooves close to each other are both connected to the plurality of first mounting grooves, the second mounting groove is perpendicular to the first mounting groove, the top of the shell also has an insertion groove, the insertion groove is located between the plurality of first mounting grooves and one of the second mounting grooves, and the two sides of the insertion groove are respectively connected to the corresponding second mounting groove and the plurality of first mounting grooves, and the insertion groove is also connected to the cavity; A plurality of vacuum interrupter chambers, wherein the plurality of vacuum interrupter chambers are respectively disposed in the plurality of first mounting grooves; and A driving component is arranged in the cavity, and the top of the driving component passes through the insertion slot and is close to the moving conductive rods of the plurality of vacuum arc extinguishing chambers.
2. According to claim 1, a fully enclosed vacuum contactor for the field of new energy motor traction is described, wherein a first connecting piece and a second connecting piece are respectively installed at both ends of each of the vacuum arc extinguishing chambers, and one end of multiple first connecting pieces is placed in the corresponding first mounting groove, and the other end passes through the second mounting groove and is located outside, and one end of multiple second connecting pieces is placed in the corresponding first mounting groove, and the other end passes through the second mounting groove and is located outside.
3. According to claim 2, the fully enclosed vacuum contactor for use in the field of new energy motor traction further comprises a closing cover, the closing cover cooperates with the opening to close the cavity, and the bottom of the drive assembly cooperates with the closing cover.
4. According to claim 3, a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the drive assembly comprises two electromagnets arranged opposite to each other, both of the electromagnets are placed in the cavity, and the bottoms of the two electromagnets are fixed on the closing cover.
5. According to claim 4, the fully enclosed vacuum contactor for the new energy motor traction field, wherein the drive assembly also includes a first elastic member, the first elastic member is located on one side of the two electromagnets, and the first elastic member is also located between the two electromagnets, and one end of the first elastic member cooperates with the closing cover.
6. According to claim 5, the fully enclosed vacuum contactor for the new energy motor driving field, wherein the driving assembly also includes a moving plate, the moving plate is located on the upper side of the two electromagnets, and the other end of the first elastic member cooperates with the moving plate.
7. According to claim 6, a fully enclosed vacuum contactor for use in the field of new energy motor traction, wherein the driving assembly also includes a rotating plate, the rotating plate is L-shaped, and the rotating plate is rotatably disposed in the cavity, and one end of the rotating plate has a third mounting groove, the end of the movable plate away from the first elastic member is placed in the third mounting groove, and the top of the rotating plate passes through the insertion groove and cooperates with multiple moving conductive rods of multiple vacuum arc extinguishing chambers.
8. According to the fully enclosed vacuum contactor for the new energy motor driving field as described in claim 2, a heat sink is also provided in each of the two second mounting grooves, and the bottom of the heat sink is in contact with the plurality of first connecting pieces or the plurality of second connecting pieces.
9. The fully enclosed vacuum contactor for use in the field of new energy motor driving according to claim 8, wherein each of the heat sinks also has a plurality of strip-shaped heat sinks.
