CN114242532B - Electromagnetic switch module - Google Patents
Electromagnetic switch module Download PDFInfo
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- CN114242532B CN114242532B CN202111494115.7A CN202111494115A CN114242532B CN 114242532 B CN114242532 B CN 114242532B CN 202111494115 A CN202111494115 A CN 202111494115A CN 114242532 B CN114242532 B CN 114242532B
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- electromagnetic switch
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- 238000005192 partition Methods 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 abstract description 2
- 230000000274 adsorptive effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 17
- 238000009434 installation Methods 0.000 description 12
- 238000005452 bending Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The application provides an electromagnetic switch module, and relates to the technical field of electrical switch elements. The electromagnetic switch module comprises a shell, an electromagnetic coil, a connecting bridge, a moving contact, a fixed contact and an arc extinguishing grid plate, wherein the electromagnetic coil, the connecting bridge, the moving contact, the fixed contact and the arc extinguishing grid plate are all arranged in the shell, the middle part of the connecting bridge is in rotary connection with the shell, one end of the connecting bridge is in adsorptive connection with the electromagnetic coil, the other end of the connecting bridge is in butt joint with the moving contact, the moving contact is aligned with the fixed contact, the fixed contact is electrically connected with the arc extinguishing grid plate, the moving contact is connected with a first cable, the fixed contact is connected with a second cable, and the shell is provided with a first through hole and a second through hole for the first cable and the second cable.
Description
Technical Field
The application relates to the technical field of electric switching elements, in particular to an electromagnetic switch module.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, and the division of a high-voltage boundary line and a low-voltage boundary line is fuzzy, and is generally called as a high-voltage electrical appliance with the voltage of more than 3 kV.
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, has the functions equivalent to the combination of a fuse type switch, an over-under-heating relay and the like, does not generally need to change parts after breaking fault current, and has been widely applied.
However, the existing standard circuit breaker switch products are large in size, multiple wiring assembly is needed for integrated installation of a power distribution system, and the requirements of small-sized modularized intelligent circuit breakers in the current circuit breaker integrated market cannot be met. Accordingly, the prior art is in need of improvement.
Disclosure of Invention
The application aims to provide an electromagnetic switch module which can provide a corresponding solution for the problems existing in the prior art and has the beneficial effects of small modularization and convenience in wiring installation.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides an electromagnetic switch module, which comprises a shell, and an electromagnetic coil, a connecting bridge, a moving contact, a fixed contact and an arc extinguishing grid plate which are all arranged in the shell, wherein the middle part of the connecting bridge is rotationally connected with the shell, one end of the connecting bridge is in adsorption connection with the electromagnetic coil, the other end of the connecting bridge is in butt joint with the moving contact, the moving contact is aligned with the fixed contact, the fixed contact is electrically connected with the arc extinguishing grid plate, the moving contact is connected with a first cable, the fixed contact is connected with a second cable, and the shell is provided with a first through hole and a second through hole for the first cable and the second cable.
Through the technical scheme of the embodiment, various electrical elements are integrated in the shell, so that the electromagnetic switch module has the advantage of small modularization. The electromagnetic switch module can be directly used as a switch of a power distribution system, only the first cable, the second cable and the power distribution system are connected, the shell is fixed on the power distribution base or the system board, and wiring and installation are very convenient. The electromagnetic coil generates magnetic force to attract the left end of the connecting bridge after being electrified, the left end of the connecting bridge descends to be contacted with the electromagnetic coil, the left end of the connecting bridge is tilted upwards and is not abutted against the moving contact, and the moving contact is separated from the fixed contact under the action of self elasticity, so that the effect of breaking a circuit is realized. After the electromagnetic coil is not electrified, the magnetic force disappears, and the right end of the connecting bridge is pressed down to enable the moving contact to be abutted against the fixed contact, so that the effect of a communication circuit is realized. The electromagnetic coil is electrified to push the moving contact to move up and down, and when the moving contact is attracted with the fixed contact, a load circuit is connected; when the movable contact is separated from the contact, the line is disconnected with the disconnection load, so that intelligent control is realized, and the control effect is better.
In some embodiments of the present application, an end of the moving contact connected to the first cable is fixedly connected to the housing, and a U-shaped bending portion is disposed in the middle of the moving contact.
Through the technical scheme of this embodiment, at the in-process that the moving contact was crooked downwards, U-shaped bending part is main bending deformation department owing to its shape is special, and it is easier to crooked, and rebound effect is also better.
In some embodiments of the application, the U-shaped bend includes a plurality of sheets with a cavity between adjacent sheets.
Through the technical scheme of the embodiment, the thin sheet is not contacted with the thin sheet by the cavity, and the deformation of the thin sheet is not influenced. The thickness of the thin sheet is smaller, the deformation is easier, and the use effect is better.
In some embodiments of the present application, a thrust piece is disposed on an inner wall of the housing, the thrust piece abuts against one side of the other end of the connecting bridge, and a push post corresponding to the moving contact is disposed on the other side of the other end of the connecting bridge.
Through the technical scheme of this embodiment, the right-hand member of thrust piece automatic push bridge descends, and then control pushing post promotes the moving contact downwards, makes moving contact and stationary contact realize closing, cooperates solenoid to realize automatic control to the switch, and control effect is better.
In some embodiments of the application, the thrust member includes a spring or a set of opposing magnets.
Through the technical scheme of this embodiment, spring or magnetite group all have the trend of pushing down the bridge right-hand member, and then control contact and stationary contact realize the closure, and the result of use is better.
In some embodiments of the application, the housing and the bridge are provided with a first groove and a second groove, respectively, for receiving the thrust limiting member.
Through the technical scheme of this embodiment, first recess and second recess play better restriction fixed action to the thrust piece, avoid thrust piece skew or landing, simple structure, reasonable in design.
In some embodiments of the present application, a shielding partition is disposed in the housing, and the shielding partition divides the interior of the housing into a first cavity for accommodating the electromagnetic coil, a second cavity for accommodating the moving contact and the fixed contact, and a third cavity for accommodating the arc extinguishing grid.
Through the technical scheme of this embodiment, first cavity, second cavity and third cavity avoid interfering with each other under shielding baffle's effect, and the operation is more stable safe, and the security is better.
In some embodiments of the application, a third through hole is provided in the middle of the connecting bridge, and a mounting post matched with the third through hole is provided on the inner wall of the shell and aligned with the shielding separator.
Through the technical scheme of the embodiment, the connecting bridge rotates around the mounting column, one end of the connecting bridge can be tilted upwards, the other end of the connecting bridge is pressed downwards, and the electromagnetic coil and the moving contact are matched better to play a role in switching. The erection column is located the flat shielding baffle directly over, avoids the bridging rotation scope bigger, reduces shielding baffle's influence.
In some embodiments of the present application, the moving contact is provided with a lower contact, and the fixed contact is provided with an upper contact adapted to the moving contact.
Through the technical scheme of the embodiment, the lower contact and the upper contact are close to each other, so that the contact is easier to avoid, and the use effect is better.
In some embodiments of the application, the first through hole and the second through hole are disposed on the same side or opposite sides of the housing.
Through the technical scheme of the embodiment, different outgoing line modes can be correspondingly selected according to different power distribution systems, so that the conditions of line winding and flying wire are reduced, and the installation is more convenient.
Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:
the embodiment of the application provides an electromagnetic switch module which mainly comprises a shell, an electromagnetic coil, a connecting bridge, a moving contact, a fixed contact, an arc extinguishing grid plate and other parts which are all arranged in the shell. Plays a role of high integration, and is convenient for being integrally applied to a power distribution system. The electromagnetic coil is used for generating magnetic force after being electrified, attracting the connecting bridge, the left end of the connecting bridge is positioned above the electromagnetic coil, and the right end of the connecting bridge is positioned above the moving contact, so that the function of indirectly controlling the circuit switch is achieved. The moving contact is arranged above the fixed contact, the moving contact is connected with a first cable, the first cable is used for being connected with an external power distribution system, the fixed contact is connected with an arc extinguishing grid plate, and the arc extinguishing grid plate is used for extinguishing an arc generated in the moment of contact of the contact, so that the circuit safety is ensured. The arc extinguishing grid plate is connected with the second cable, so that a passage is formed between the second cable and the fixed contact, and the second cable is used for being connected with an external power distribution system to realize circuit connection. The first through hole and the second through hole penetrate through the surface of the shell, so that the first cable and the second cable can be conveniently stretched out, and the installation is convenient. The electromagnetic switch module has the advantage of small modularization because various electrical elements are integrated inside the shell. The electromagnetic switch module can be directly used as a switch of a power distribution system, only the first cable, the second cable and the power distribution system are connected, the shell is fixed on the power distribution base or the system board, and wiring and installation are very convenient. When the movable contact is used, magnetic force is generated after the electromagnetic coil is electrified to attract the left end of the connecting bridge, the left end of the connecting bridge descends to be in contact with the electromagnetic coil, the left end of the connecting bridge is tilted upwards and is not abutted against the movable contact, and the movable contact is separated from the fixed contact under the action of self elastic force, so that the effect of breaking a circuit is realized. After the electromagnetic coil is not electrified, the magnetic force disappears, and the right end of the connecting bridge is pressed down to enable the moving contact to be abutted against the fixed contact, so that the effect of a communication circuit is realized. The electromagnetic coil is electrified to push the moving contact to move up and down, and when the moving contact is attracted with the fixed contact, a load circuit is connected; when the movable contact is separated from the contact, the line is disconnected with the disconnection load, so that intelligent control is realized, and the control effect is better. Therefore, the embodiment of the application provides the electromagnetic switch module which has the beneficial effects of small size, modularization, convenience in wiring installation and high safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an electromagnetic switch module according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a moving contact according to an embodiment of the present application;
fig. 3 is a schematic diagram of a front structure of an electromagnetic switch module (same-direction outgoing line type) according to an embodiment of the present application;
fig. 4 is a schematic front view of an electromagnetic switch module (opposite connection type) according to an embodiment of the present application;
fig. 5 is a schematic diagram of a front structure of an electromagnetic switch module (with the same direction and side out of the wiring) according to an embodiment of the application.
Icon: 1-shell, 101-first through hole, 102-second through hole, 103-first groove, 104-shielding baffle, 105-first cavity, 106-second cavity, 107-third cavity, 108-mounting post, 2-electromagnetic coil, 3-connecting bridge, 301-pushing post, 302-second groove, 303-third through hole, 4-movable contact, 401-first cable, 402-U-shaped bending part, 403-lower contact, 5-stationary contact, 501-second cable, 502-upper contact, 6-arc extinguishing grid plate and 7-pushing piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present application is conventionally put when used, it is merely for convenience of describing the present application and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its orientation is more horizontal than "vertical" and does not mean that the structure or component must be entirely horizontal, but may be slightly inclined.
In the description of the embodiments of the present application, "plurality" means at least 2.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1 to 5, an electromagnetic switch module provided in an embodiment of the application is shown in the following specific structure.
The embodiment of the application provides an electromagnetic switch module, which comprises a shell 1, an electromagnetic coil 2, a connecting bridge 3, a moving contact 4, a fixed contact 5 and an arc extinguishing grid plate 6 which are all arranged in the shell 1, wherein the middle part of the connecting bridge 3 is rotationally connected with the shell 1, one end of the connecting bridge 3 is in adsorption connection with the electromagnetic coil 2, the other end of the connecting bridge 3 is abutted against the moving contact 4, the moving contact 4 is aligned with the fixed contact 5, the fixed contact 5 is electrically connected with the arc extinguishing grid plate 6, the moving contact 4 is connected with a first cable 401, the fixed contact 5 is connected with a second cable 501, and the shell 1 is provided with a first through hole 101 and a second through hole 102 for the first cable 401 and the second cable 501. As shown in fig. 1 and 3, the casing 1 has a rectangular parallelepiped shape, and the electromagnetic coil 2, the bridge 3, the moving contact 4, the fixed contact 5, the arc extinguishing plate 6, and other components are all mounted inside the casing 1. Plays a role of high integration, and is convenient for being integrally applied to a power distribution system. The electromagnetic coil 2 is used for generating magnetic force after being electrified, and attracting the connecting bridge 3, the left end of the connecting bridge 3 is positioned above the electromagnetic coil 2, and the right end of the connecting bridge 3 is positioned above the moving contact 4, so that the function of indirectly controlling a circuit switch is achieved.
As shown in fig. 3, the moving contact 4 is mounted above the fixed contact 5, the moving contact 4 is connected with the first cable 401, the first cable 401 is connected with an external power distribution system, the fixed contact 5 is connected with the arc extinguishing grid plate 6, and the arc extinguishing grid plate 6 is used for extinguishing an arc generated in the moment of contact, so that the circuit safety is ensured. The arc extinguishing grid plate 6 is connected with the second cable 501, so that a passage is formed between the second cable 501 and the fixed contact 5, and the second cable 501 is used for being connected with an external power distribution system to realize circuit connection. The first through hole 101 and the second through hole 102 penetrate through the surface of the shell 1, so that the first cable 401 and the second cable 501 can extend out conveniently, and the installation is convenient.
Through the technical scheme of the embodiment, various electrical elements are integrated in the shell 1, so that the electromagnetic switch module has the advantage of small-size modularization. The electromagnetic switch module can be directly used as a switch of a power distribution system, and only needs to be connected with the power distribution system through the first cable 401 and the second cable 501, and then the shell 1 is fixed on a power distribution base or a system board, so that the wiring and the installation are very convenient. When the movable contact is used, after the electromagnetic coil 2 is electrified, magnetic force is generated to attract the left end of the connecting bridge 3, the left end of the connecting bridge 3 descends to be in contact with the electromagnetic coil 2, the left end of the connecting bridge 3 is tilted upwards and is not abutted to the movable contact 4, and the movable contact 4 is separated from contact with the fixed contact 5 under the action of self elastic force, so that the effect of breaking a circuit is realized. After the electromagnetic coil 2 is not electrified, the magnetic force disappears, and the right end of the connecting bridge 3 is pressed down to enable the moving contact 4 to be abutted against the fixed contact 5, so that the effect of communicating a circuit is realized. The electromagnetic coil 2 is electrified to push the moving contact 4 to move up and down, and when the moving contact 4 is attracted with the fixed contact 5, a load circuit is connected; when the movable contact 4 is separated from the contact, the line is disconnected with the disconnection load, so that intelligent control is realized, and the control effect is better.
In some embodiments of the present application, an end of the moving contact 4 connected to the first cable 401 is fixedly connected to the housing 1, and a U-shaped bending portion 402 is disposed in the middle of the moving contact 4. As shown in fig. 1 and 2, the moving contact 4 is a piece of elastic metal sheet which is horizontally installed, a through groove is formed in the middle of the moving contact, the right end of the moving contact 4 is fixedly connected with the shell 1, the left end of the moving contact 4 is used for shifting up and down, and the moving contact 4 is separated from and attracted with the fixed contact 5, so that a circuit is controlled. The middle of the movable contact 4 is bent downward into a U shape, forming a U-shaped bent portion 402. Through the technical scheme of this embodiment, in the downward bending process of the moving contact 4, the U-shaped bending portion 402 is a main bending deformation portion due to its special shape, so that bending is easier, and the rebound effect is also better.
In some embodiments of the present application, the U-shaped bend 402 comprises a plurality of sheets with a cavity between adjacent sheets. As shown in fig. 1 and 2, the U-shaped bending portion 402 is formed by three layers of thin plates, both ends of each thin plate are connected with the movable contact 4 into a whole, and a cavity is formed between adjacent thin plates to separate the thin plates. Through the technical scheme of the embodiment, the thin sheet is not contacted with the thin sheet by the cavity, and the deformation of the thin sheet is not influenced. The thickness of the thin sheet is smaller, the deformation is easier, and the use effect is better.
In some embodiments of the present application, the inner wall of the housing 1 is provided with a thrust piece 7, the thrust piece 7 abuts against one side of the other end of the bridge 3, and the other side of the other end of the bridge 3 is provided with a push post 301 corresponding to the moving contact 4. As shown in connection with fig. 1 and 3, the thrust piece 7 may act as a push. The upper end of the thrust piece 7 is fixed on the shell 1, the lower end of the thrust piece 7 is abutted against the upper side face of the right end of the connecting bridge 3, a vertically downward pushing column 301 is fixed on the lower side face of the right end of the connecting bridge 3, and the lower end of the pushing column 301 is abutted against the upper surface of the left end of the movable contact 4. Through the technical scheme of the embodiment, the thrust piece 7 can automatically push the right end of the connecting bridge 3 to descend, and then the push column 301 is controlled to push the moving contact 4 downwards, so that the moving contact 4 and the fixed contact 5 are contacted to be closed, and the electromagnetic coil 2 is matched to realize automatic control of a switch, so that the control effect is good.
In some embodiments of the application, the thrust piece 7 comprises a spring or a repulsive set of magnets. As shown in fig. 1 and 3, the thrust piece 7 may be a spring or a magnet set, where the magnet set is composed of two magnets, and the homopolar of the two magnets are opposite to each other to generate repulsive force. Through the technical scheme of this embodiment, spring or magnetite group all have the trend of pushing down the right-hand member of connecting bridge 3, and then control contact and stationary contact 5 contact realize the closure, and the result of use is better.
In some embodiments of the application, the housing 1 and the bridge 3 are provided with a first groove 103 and a second groove 302, respectively, for housing the thrust limiter 7. As shown in connection with fig. 1 and 3, the sleeve surrounds a first recess 103 formed to receive the upper end of the thrust piece 7, and is fixedly connected to the inner wall of the housing 1. The upper side of the right end of the bridge 3 is also fixedly fitted with a sleeve surrounding a second recess 302 formed to receive the lower end of the thrust piece 7. Through the technical scheme of the embodiment, the first groove 103 and the second groove 302 have better limiting and fixing effects on the thrust piece 7, so that the thrust piece 7 is prevented from deviating or sliding off, the structure is simple, and the design is reasonable.
In some embodiments of the present application, a shielding partition 104 is disposed in the housing 1, and the shielding partition 104 divides the interior of the housing 1 into a first cavity 105 that accommodates the electromagnetic coil 2, a second cavity 106 that accommodates the moving contact 4 and the fixed contact 5, and a third cavity 107 that accommodates the arc extinguishing plate 6. As shown in fig. 1 and 3, two shielding partition boards 104 are provided in this embodiment, one is in a flat plate shape, and is vertically fixed at a position slightly left in the housing 1, the bottom is fixedly connected with the bottom surface of the housing 1, and a gap mounting connecting bridge 3 is left between the top and the top of the housing 1; the other piece is in an inverted L shape, two sides of the shielding partition board 104 are aligned and parallel to the right side wall and the bottom surface of the shell 1, and a gap for extending the fixed contact 5 is reserved on the left side of the shielding partition board 104. The left side of the flat shielding partition plate 104 is a first cavity 105 for accommodating the electromagnetic coil 2, the upper right side of the flat shielding partition plate 104 is a second cavity 106 for accommodating the moving contact 4 and the fixed contact 5, and the lower right side of the flat shielding partition plate 104 is a third cavity 107 for accommodating the arc extinguishing grid plate 6. Through the technical scheme of the embodiment, the first cavity 105, the second cavity 106 and the third cavity 107 avoid mutual interference under the action of the shielding partition 104, so that the operation is more stable and safe, and the safety is better.
In some embodiments of the present application, a third through hole 303 is provided in the middle of the bridge 3, and a mounting post 108 matching the third through hole 303 is provided on the inner wall of the housing 1, and the mounting post 108 is aligned with the shielding partition 104. As shown in fig. 1 and 3, the third through hole 303 is formed in the middle of the bridge 3, the mounting post 108 is fixed to the inner wall of the housing 1, the mounting post 108 is located directly above the flat shielding partition 104, the mounting post 108 is inserted into the third through hole 303, and the bridge 3 can rotate around the mounting post 108. Through the technical scheme of the embodiment, the connecting bridge 3 rotates around the mounting column 108 to realize one-end upwarp and the other-end downpress, and the electromagnetic coil 2 and the moving contact 4 are matched better to play a role of switching. The mounting post 108 is located directly above the flat shielding partition 104, so that the larger rotation range of the connecting bridge 3 is avoided, and the influence of the shielding partition 104 is reduced.
In some embodiments of the present application, the moving contact 4 is provided with a lower contact 403, and the fixed contact 5 is provided with an upper contact 502 that is adapted to the moving contact 4. As shown in fig. 1 and 3, the lower contact 403 and the upper contact 502 are cylindrical metal pieces, the lower contact 403 is fixed on the lower surface of the moving contact 4, and the upper contact 502 is fixed on the upper surface of the fixed contact 5. Through the technical scheme of the embodiment, the lower contact 403 and the upper contact 502 are close to each other, so that contact is easier to avoid, and the use effect is better.
In some embodiments of the present application, the first through hole 101 and the second through hole 102 are formed on the same side or opposite sides of the housing 1. In order to facilitate the installation of the outgoing lines, the first through hole 101 and the second through hole 102 may be formed on the same side of the housing 1, for example, both the first through hole 101 and the second through hole 102 may be formed on the upper side (fig. 3), the lower side and the right side (fig. 5) of the housing 1, for example, the first through hole 101 is formed on the upper side of the housing 1, and the second through hole 102 is formed on the lower side (fig. 4) of the housing 1. Through the technical scheme of the embodiment, different outgoing line modes can be correspondingly selected according to different power distribution systems, so that the conditions of line winding and flying wire are reduced, and the installation is more convenient.
In summary, the embodiment of the application provides an electromagnetic switch module, which comprises a housing 1, an electromagnetic coil 2, a connecting bridge 3, a moving contact 4, a fixed contact 5 and an arc extinguishing grid plate 6 all installed in the housing 1, wherein the middle part of the connecting bridge 3 is rotationally connected with the housing 1, one end of the connecting bridge 3 is in adsorption connection with the electromagnetic coil 2, the other end of the connecting bridge 3 is abutted to the moving contact 4, the moving contact 4 is aligned with the fixed contact 5, the fixed contact 5 is electrically connected with the arc extinguishing grid plate 6, the moving contact 4 is connected with a first cable 401, the fixed contact 5 is connected with a second cable 501, and the housing 1 is provided with a first through hole 101 and a second through hole 102 for the first cable 401 and the second cable 501, so that the electromagnetic switch module has the advantages of small modularization, convenience in wiring installation and high safety.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides an electromagnetic switch module, its characterized in that, including casing (1) and all install in solenoid (2), bridge (3), moving contact (4), stationary contact (5), arc extinguishing grid board (6) in casing (1), the middle part of bridge (3) with casing (1) rotate and connect, the one end of bridge (3) with solenoid (2) adsorbs and is connected, the other end of bridge (3) with moving contact (4) butt, moving contact (4) with stationary contact (5) align, stationary contact (5) with arc extinguishing grid board (6) electric connection, moving contact (4) are connected with first cable (401), stationary contact (5) are connected with second cable (501), casing (1) are equipped with the confession first cable (401), first through-hole (101) of second cable (501), second through-hole (102), moving contact (4) with first cable (401) are connected with first cable (1) with first side (102), the side of opening (4) is connected with first through-hole (101).
2. The electromagnetic switch module as claimed in claim 1, wherein the U-shaped bent portion (401) comprises a plurality of layers of lamellae, a cavity being provided between adjacent lamellae.
3. The electromagnetic switch module according to claim 1, characterized in that a thrust piece (7) is arranged on the inner wall of the housing (1), the thrust piece (7) is abutted against one side of the other end of the connecting bridge (3), and a push column (301) corresponding to the movable contact (4) is arranged on the other side of the other end of the connecting bridge (3).
4. An electromagnetic switch module according to claim 3, characterized in that the thrust piece (7) comprises a spring or a set of opposing magnets.
5. Electromagnetic switch module according to claim 4, characterized in that the housing (1) and the bridge (3) are provided with a first groove (103) and a second groove (302), respectively, which accommodate the thrust piece (7).
6. Electromagnetic switch module according to claim 1, characterized in that a shielding baffle (104) is arranged in the housing (1), the shielding baffle (104) dividing the interior of the housing (1) into a first cavity (105) accommodating the electromagnetic coil (2), a second cavity (106) accommodating the moving contact (4) and the stationary contact (5) and a third cavity (107) accommodating the arc extinguishing grid (6).
7. The electromagnetic switch module according to claim 6, characterized in that a third through hole (303) is provided in the middle of the bridge (3), and that a mounting post (108) matching the third through hole (303) is provided on the inner wall of the housing (1), the mounting post (108) being aligned with the shielding partition (104).
8. Electromagnetic switch module according to claim 1, characterized in that the moving contact (4) is provided with a lower contact (403) and the stationary contact (5) is provided with an upper contact (502) adapted to the moving contact (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494115.7A CN114242532B (en) | 2021-12-08 | 2021-12-08 | Electromagnetic switch module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494115.7A CN114242532B (en) | 2021-12-08 | 2021-12-08 | Electromagnetic switch module |
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| CN114242532A CN114242532A (en) | 2022-03-25 |
| CN114242532B true CN114242532B (en) | 2023-08-29 |
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| CN202111494115.7A Active CN114242532B (en) | 2021-12-08 | 2021-12-08 | Electromagnetic switch module |
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| Publication number | Publication date |
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| CN114242532A (en) | 2022-03-25 |
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