Wiring structure of isolating switch and isolating switch
By adding a Y-shaped wiring part to the static contact group, the problem that the single-layer base of the disconnector can only realize single-circuit wiring is solved, and the product's use cost is reduced.
Patent Information
- Application Number
- CN202422793593.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The single-layer base structure of existing disconnectors can only meet the wiring requirements of a single circuit, resulting in increased product usage costs.
At least one static contact is added to the static contact group, and at least two wiring parts are provided at the other side end thereof to form a Y-shaped structure, thereby increasing the wiring loop of the input end.
By increasing the wiring loop, the use cost of the product is reduced.
Smart Images
Figure CN223462143U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of switch, specifically relates to a wiring structure of disconnecting switch and disconnecting switch. BACKGROUND
[0002] A rotary switch is a common switch that prevents an unauthorized operation of a rotary operating device by locking a rotary operator at a specific position corresponding to a specific state of the rotary operating device. The rotary disconnecting switch is widely used in power systems, such as photovoltaic, wind power, etc. For example, in a photovoltaic system, small currents generated in each photovoltaic cell are combined in parallel to provide a required current or total power for the system. The rotary disconnecting switch includes a moving contact module and a stationary contact module. The moving contact rotates in an open space and includes two moving contact pieces made of conductive metal material riveted together. The stationary contact point of the stationary contact is stationary in the space and suspended between the movement tracks of the two moving contact pieces. There are usually two or more contact points for making and breaking the current. When making, the stationary contact point is between the two moving contact pieces of the moving contact, and the moving contact bends to clamp the stationary contact point. When breaking, the moving contact leaves the stationary contact by overcoming the resistance.
[0003] In the prior art, the single-layer base of the disconnecting switch has two stationary contacts. One side of the stationary contact is used to connect the stationary contacts on the upper and lower layer bases, and the other side of the stationary contact has a port for external wiring. This traditional structure can only realize the wiring requirement of a single loop of the use end, which increases the use cost of the product. UTILITY MODEL CONTENTS
[0004] The utility model aims at the current situation that the series connection of the wiring structure of each two layers of the existing disconnecting switch can only meet the wiring requirement of a single loop of the use end, and provides a wiring structure of disconnecting switch and disconnecting switch. By increasing the wiring port of one side of the stationary contact, the wiring loop of the input end is increased, so that the use cost of the product is reduced.
[0005] TECHNICAL SCHEME
[0006] In order to realize the above technical purpose, the utility model provides a wiring structure of disconnecting switch, which comprises a moving contact assembly and a stationary contact group. The moving contact assembly is installed in the moving contact installation slot on the contact shell and can rotate. The moving contact assembly can contact and separate from the stationary contact group during rotation, thereby controlling the on-off of the disconnecting switch. The utility model is characterized in that: one side of at least one stationary contact in the stationary contact group is opposite to the moving contact assembly and is used for contacting and separating from the moving contact assembly. The other side of at least one stationary contact in the stationary contact group is provided with at least two wiring parts for external wiring, thereby forming a parallel loop.
[0007] In one of the embodiments, the other side end of at least one static contact in the static contact group is provided with two wiring parts so that the at least one static contact forms a Y-shaped structure.
[0008] In one of the embodiments, the at least one static contact provided with two wiring parts at the other side end is installed in a static contact installation slot on the contact shell.
[0009] In one of the embodiments, the static contact installation slot is located outside the rotating track of the moving contact assembly.
[0010] In one of the embodiments, the two wiring parts of the at least one static contact in the Y-shaped structure include wiring holes on the side end of the static contact, and external wires are fastened and installed in the wiring holes through wiring screws.
[0011] In one of the embodiments, the at least one static contact in the Y-shaped structure is arranged in each layer or odd layers or even layers of the disconnector.
[0012] In one of the embodiments, an electrical gap and a creepage distance are provided between the two wiring parts 201a of the at least one static contact in the Y-shaped structure.
[0013] In one of the embodiments, another static contact without the Y-shaped structure in the static contact group is connected with a PCB board.
[0014] The utility model also provides a disconnector, including contact system, operating mechanism and handle assembly, the contact system includes the contact shell and setting in contact shell above-mentioned wiring structure of laminated arrangement.
[0015] Beneficial effects
[0016] The utility model provides a kind of wiring structure and disconnector of disconnector, wiring structure includes moving contact assembly and static contact group, the moving contact assembly is installed in the moving contact installation slot on contact shell can rotate, the moving contact assembly can be contacted and separated with the static contact group during rotating process to control the on-off of the disconnector, the side end of at least one static contact in the static contact group is opposite with the moving contact assembly for being used to contact and separate with the moving contact group, the other side end of at least one static contact in the static contact group is provided with at least two wiring parts for external wiring to form and return circuit.The whole structure increases the wiring loop of input end by increasing the wiring port of one side static contact, to reduce the use cost of product. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0018] Figure 1 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 1 Figure 2 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 1 ;
[0019] Figure 3 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 2 Figure 4 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 2 ;
[0020] Figure 5 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 3 Figure 6 is a schematic diagram of a wiring structure in an embodiment of the present application
[0021] Figure 7 is a schematic diagram of a wiring structure in an embodiment of the present application Figure 4 Figure 8 is a schematic diagram of a Y-shaped static contact in an embodiment of the present application DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.
[0023] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be a middle component. The terms "vertical", "horizontal", "up", "down", "left", "right", and similar expressions used in the specification of the present application are for the purpose of illustration only, and do not indicate the only implementation.
[0024] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0025] In this application, unless otherwise expressly specified or limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or that the first feature and the second feature are indirectly in contact through an intermediate medium. Furthermore, a first feature being “above,” “above,” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below,” “below,” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0026] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more of the relevant listed items.
[0027] Example
[0028] In the existing technology, the single-layer base of the isolating switch has two static contacts. The static contact on one side is used to connect the static contacts on the upper and lower bases, and the static contact on the other side has a port for external wiring. This traditional structure can only meet the wiring requirements of a single circuit at the user end, increasing the cost of the product.
[0029] In order to solve this problem, the attached Figure 1 As shown in Figures 2 and 3, this embodiment provides a wiring structure for an isolating switch, which includes a moving contact assembly 1 and a static contact group 2. The moving contact assembly 1 is mounted in a moving contact mounting groove 301 on a contact housing 3 and can rotate. During the rotation of the moving contact assembly 1, the moving contact assembly 1 can contact and separate from the static contact group 2 to control the on / off of the isolating switch. One side end of at least one static contact 201 in the static contact group 2 is opposite to the moving contact assembly 1 and is used for contacting and separating with the moving contact assembly 1. The other side end of at least one static contact 201 in the static contact group 2 is provided with at least two wiring portions 201a for external wiring to form a parallel circuit. The at least one static contact 201 with two wiring portions 201a on the other side end is mounted in a static contact mounting groove 302 on the contact housing 3. The static contact mounting groove 302 is located outside the rotation trajectory of the moving contact assembly 1.
[0030] To be more specific, as shown in the attached Figure 1 , 2, the other side end of at least one static contact 201 in the static contact group 2 is provided with two connection parts 201a so that the at least one static contact 201 forms a Y-shaped structure. Figure 4As shown, the two wiring portions 201a of the at least one static contact 201 of the Y-shaped structure include a wiring hole 201a01 on the side end of the static contact 201, and an external wiring is fastened in the wiring hole 201a01 by a wiring screw 4. The at least one static contact 201 of the Y-shaped structure is arranged in each layer or odd layers or even layers of the disconnector. An electrical gap and a creepage distance are provided between the two wiring portions 201a of the at least one static contact 201 of the Y-shaped structure. Another static contact 202 without Y-shaped structure in the static contact group 2 is preferably connected with the PCB board through wave soldering and is installed in the contact mounting groove 303 on the other side of the contact shell 3, and the contact mounting groove 303 is also located outside the rotating track of the moving contact assembly 1. It should be noted that the PCB board is not part of the disconnector, but a component for electrically connecting the external terminal device and the disconnector.
[0031] The embodiment also provides a disconnector, which comprises a contact system, an operating mechanism and a handle assembly, the contact system comprises a contact shell arranged in layers and the above-mentioned wiring structure arranged in the contact shell. It should be noted that the specific structure of the disconnector in the embodiment is not shown in the drawings, but those skilled in the art can understand that the overall product layout of the disconnector in the embodiment is not specifically limited, and any disconnector comprising the above-mentioned wiring structure should be considered to fall within the protection scope of the utility model.
[0032] The wiring structure and the disconnector provided by the utility model have the advantages that the wiring structure comprises a moving contact assembly 1 and a static contact group 2, the moving contact assembly 1 is installed in a moving contact mounting groove 301 on a contact shell 3 and can rotate, the moving contact assembly 1 can be in contact with and separated from the static contact group 2 in the rotating process, thereby controlling the on-off of the disconnector, one side end of at least one static contact 201 in the static contact group 2 is opposite to the moving contact assembly 1 and is used for contact and separation with the moving contact assembly 1, and the other side end of the at least one static contact 201 in the static contact group 2 is provided with at least two wiring portions 201a for external wiring, thereby forming a loop. The whole structure increases the wiring port of one side static contact, further increases the wiring loop of the input end, and thereby reduces the use cost of the product.
[0033] The technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the range disclosed in the specification.
[0034] The above-described embodiments are merely illustrative of several embodiments of the present application, which are described in more detail and in a specific manner, but should not be construed as limiting the scope of the patent of the present application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.
Claims
1. A connection structure of a disconnecting switch, comprising a movable contact assembly (1) and a stationary contact group (2), said movable contact assembly (1) being rotatably mounted in a movable contact mounting slot (301) of a contact housing (3), said movable contact assembly (1) being capable of contacting and separating from said stationary contact group (2) during rotation of said movable contact assembly (1) to thereby control the on-off of said disconnecting switch, characterized in that: One side end of at least one static contact (201) in the static contact group (2) is opposite to the moving contact assembly (1) for contact and separation with the moving contact assembly (1), and the other side end of the at least one static contact (201) is provided with at least two wiring parts (201a) for external wires to form a loop. 2. A wiring structure of a disconnector according to claim 1, characterized in that: The other side end of at least one static contact (201) in the static contact group (2) is provided with two wiring parts (201a) so that the at least one static contact (201) forms a Y-shaped structure.
3. A connection structure of a disconnector according to claim 2, characterized in that: The at least one static contact (201) provided with two wiring parts (201a) at the other side end is arranged in a static contact mounting groove (302) on the contact housing (3).
4. An isolating switch connection structure according to claim 3, wherein: The static contact mounting groove (302) is located outside the rotating track of the moving contact assembly (1).
5. A wiring structure for a disconnector according to claim 2, characterized in that: The two wiring parts (201a) of the at least one static contact (201) of the Y-shaped structure include wiring holes (201a01) on the side end of the static contact (201), and external wires are fastened and arranged in the wiring holes (201a01) by wiring screws (4).
6. An isolating switch connection structure according to claim 2, wherein: The at least one static contact (201) of the Y-shaped structure is arranged in each layer or odd layers or even layers of the disconnector.
7. A wiring structure for a disconnector according to claim 2, characterized in that: An electrical gap and a creepage distance are provided between the two wiring parts (201a) of the at least one static contact (201) of the Y-shaped structure.
8. A wiring structure for a disconnector according to claim 1, characterized in that: Another static contact without Y-shaped structure in the static contact group (2) is connected with a PCB board.
9. A disconnector, characterized by: The contact system includes a contact housing and a wiring structure as claimed in any one of claims 1-8 arranged in the contact housing. The contact system includes a contact housing and a wiring structure as claimed in any one of claims 1-8 arranged in the contact housing.