CN113178347B - Control and protection switch - Google Patents

Control and protection switch Download PDF

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Publication number
CN113178347B
CN113178347B CN202110467213.5A CN202110467213A CN113178347B CN 113178347 B CN113178347 B CN 113178347B CN 202110467213 A CN202110467213 A CN 202110467213A CN 113178347 B CN113178347 B CN 113178347B
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China
Prior art keywords
piece
shaft
contact
connecting shaft
shell
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Active
Application number
CN202110467213.5A
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Chinese (zh)
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CN113178347A (en
Inventor
孙杰
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Jiangsu Youpin Electric Co ltd
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Jiangsu Youpin Electric Co ltd
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Priority to CN202110467213.5A priority Critical patent/CN113178347B/en
Publication of CN113178347A publication Critical patent/CN113178347A/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • 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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  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

The application discloses a control and protection switch in the field of control switches, which comprises: a control part with a driving mechanism inside; the wire connecting part comprises a plurality of wire connecting pieces, wherein each wire connecting piece comprises a shell, a fixed contact, a moving contact and a deflector rod are arranged in the shell, one end of each moving contact is connected with the shell in a shaft mode, the other end of each moving contact can abut against the fixed contact, a jack is formed in each deflector rod, one end of each deflector rod is hinged with each moving contact, and each deflector rod is used for driving each moving contact to rotate; the connecting shaft is matched with the jack, one end of the connecting shaft is connected to the driving mechanism, the other end of the connecting shaft traverses the wiring part and is inserted into the jack, and the connecting shaft is used for driving the deflector rod to rotate; the driving mechanism is used for driving the connecting shaft to rotate or stay. The control and protection switch effectively solves the problem that the energy consumption is generated when the contact coil continuously gets electricity and heats when the contactor acts.

Description

Control and protection switch
Technical Field
The application relates to the technical field of control switches, in particular to a control and protection switch.
Background
The control and protection switch is an operating electrical appliance which is upgraded and improved on the basis of an alternating-current contactor, a circuit breaker and a thermal relay, has the functions of alarming, controlling, protecting and the like such as overload, electric leakage, short circuit, open phase, three unbalanced items and the like, and is widely applied to load circuits such as direct starting, double-speed starting, reversible starting, star-delta step-down starting, auto-coupling step-down starting and the like. The control and protection switch is a normally open, tripolar electromagnetic electric switch using air as arc extinguishing medium. The components of the composition include: coil, short circuit ring, static iron core, moving contact, static contact, auxiliary normally open contact, auxiliary normally closed contact, pressure spring, reaction spring, buffer spring, arc-extinguishing chamber etc..
The main contacts of the existing control and protection switch are in normally open and normally closed states. The normally open and normally closed states of the contacts before the electromagnetic system is not electrified, namely the normally open contacts are the moving contacts and the static contacts of the electromagnetic system are in an open state when the coil is not electrified, and the coil is closed after the coil is electrified, so the normally open contacts are also called as moving contacts; the normally closed contact is a normally closed contact, which is also called as a break contact, when the coil is not electrified, and the movable contact and the static contact are closed, and when the coil is electrified, the normally closed contact is opened. The normally open contact or the normally closed contact is electrified through a coil to generate attraction force during switching, and the elasticity of a spring is overcome to enable the moving contact and the fixed contact to be closed or opened; and the coil is always in the power-on state in the process of maintaining the state, so that the energy consumption and heat generated by the reaction force of the spring are overcome.
Disclosure of Invention
The present application solves or partially solves the problems of the prior art by providing a control and protection switch.
The embodiment of the application provides a control and protection switch, which comprises the following components:
a control part, wherein a driving mechanism is arranged in the control part;
the wiring part comprises a plurality of wiring lugs, the wiring lugs are arranged side by side and fixedly connected to the control part, the wiring lugs comprise a shell, a fixed contact, a moving contact and a deflector rod are arranged in the shell, one end of the moving contact is connected with the shell in a shaft mode, the other end of the moving contact can abut against the fixed contact, a jack is formed in the deflector rod, one end of the deflector rod is hinged to the moving contact, and the deflector rod is used for driving the moving contact to rotate;
the connecting shaft is matched with the jack, one end of the connecting shaft is connected to the driving mechanism, the other end of the connecting shaft traverses the wiring part and is inserted into the jack, and the connecting shaft is used for driving the deflector rod to rotate;
the wire inlet end is inserted into the shell and connected with the fixed contact;
the wire outlet end is inserted into the shell and is in flexible connection with the movable contact through a wire;
the driving mechanism is used for driving the connecting shaft to rotate or stay.
The working procedure of the above embodiment is as follows: the driving mechanism of the control part drives the connecting shaft to rotate, the connecting shaft synchronously drives the shift lever in the wiring lug to rotate, and the shift lever drives the moving contact to rotate, so that the contact or separation of the moving contact and the fixed contact is realized.
In one embodiment of the application, an arc extinguishing piece is arranged at the contact position of the moving contact and the fixed contact. The arc extinguishing member is used for guiding the discharge contact arc.
In one embodiment of the application, the middle part of the deflector rod is connected with the shell in a shaft way, the end parts of the other ends of the deflector rod are respectively provided with a bicolor color code, and the shell is provided with a through hole at the corresponding part of the bicolor color code. The color of the color code at the end part of the deflector rod can be directly observed through the through hole, and the rotating position of the deflector rod is judged through different colors, so that the working state of the switch is conveniently judged.
In one embodiment of the application, the driving mechanism comprises a supporting plate, a triggering component, a switching component, a first poking piece and a second poking piece, wherein the triggering component comprises an electromagnet, a push rod, a poking block, a pin shaft and a connecting rod, and the switching component comprises a turntable, a blocking piece, a fixed seat, a connecting piece and a spring piece; the support plate is provided with a V-shaped guide groove, the electromagnet is arranged in the guide sleeve, one end of the ejector rod is arranged in the guide sleeve and a pressure spring is arranged between the ejector rod and the electromagnet, the other end of the ejector rod is hinged with one end of the shifting block, the middle part of the shifting block is connected with the support plate in a shaft mode, the other end of the shifting block is connected with the pin shaft, one end of the connecting rod is hinged with the pin shaft, the other end of the connecting rod is provided with a guide column, and the guide column is positioned in the V-shaped guide groove; the rotary table is connected with the supporting plate in a coaxial shaft mode, a limiting groove is formed in the upper portion of the rotary table, a notch is formed in the lower portion of the rotary table, the guide post is located in the notch at the same time, a limiting post is arranged at the upper end of the blocking piece, the limiting post is located in the limiting groove, forward projection of the bottom of the lower end of the blocking piece partially shields the V-shaped guide groove, a gap exists between the V-shaped guide groove and the inner wall of the V-shaped guide groove, the fixing base is fixed to the supporting plate, one end of the elastic piece is fixed to the supporting plate, the other end of the elastic piece is connected with the fixing base through a spring, one end of the connecting piece is hinged to the rotary table, the other end of the elastic piece is hinged to the shaft hole corresponding to the connecting shaft, the connecting shaft is inserted into the shaft hole of the first end of the shifting piece or the shaft hole of the second end of the shifting piece, the first end of the shifting piece and the second end of the shifting piece are respectively provided with waist holes, and the guide post is located in the first end of the shifting piece and the second end of the shifting piece at the same time. The driving mechanism has two states of normal state and trigger driving state, and under the normal state: the electromagnet is not powered, and the ejector rod keeps the end of the shifting block provided with the pin shaft in an upward posture under the action of the pressure spring, so that the guide post is positioned at the top of one end of the V-shaped guide groove, the bottom of the lower end of the baffle piece is positioned at the end of the V-shaped guide groove where the guide post is positioned, and meanwhile, the shifting block I and the shifting block II are kept motionless, and the connecting shaft connected with the shifting block I and the shifting block II is kept motionless; triggering driving: the electromagnet is powered on briefly, the ejector rod is contracted by overcoming the elasticity of the pressure spring, the shifting block is caused to rotate, one end of the shifting block, provided with a pin shaft, moves downwards, the guide post moves downwards along the V-shaped guide groove, the bottom of the lower end of the blocking piece is abutted against the bottom of the lower end of the blocking piece in the moving process, the blocking piece and the rotary table are forced to rotate at a small angle, the guide post is separated from the bottom of the lower end of the blocking piece and then is positioned at the bottom of the V-shaped guide groove, under the action of the spring and the elastic sheet, the rotary table drives the blocking piece to return to the original position, the blocking piece continues to partially block the V-shaped guide groove at the end, one piece of the first shifting piece and the second shifting piece keeps motionless in the moving process, the other piece correspondingly rotates, then the electromagnet is powered off, the ejector rod stretches under the action of the pressure spring, the shifting block reversely rotates, one end of the shifting block is enabled to move upwards, the guide post moves upwards along the V-shaped guide groove, the lower end of the V-shaped guide groove is abutted against the guide groove, the lower end of the blocking piece is enabled to move to be positioned at the top of the other end of the V-shaped guide groove in the moving process, the blocking piece is enabled to move in the opposite direction, the corresponding piece is kept in the moving position of the V-shaped guide groove is stopped, and the opposite direction of the elastic sheet is enabled to move opposite to move the opposite to the elastic sheet, and the opposite direction is enabled to rotate, and the opposite direction of the elastic sheet is kept to rotate, and the opposite to rotate opposite to the blocking piece is driven to rotate, and the opposite to the opposite direction of the rotary table; therefore, the driving mechanism triggers the driving process once, the first poking piece and the second poking piece rotate in the same direction by a set angle, the driving requirement of the connecting shaft is met, the connecting shaft rotates by a specific angle and is kept, and the electromagnet only triggers the driving process to be powered on, and the electromagnet does not need to be powered on in a conventional state, so that the problem that energy consumption is generated when the contact coil continuously generates electricity when the original contactor acts is solved.
In one embodiment of the application, the support plate is simultaneously provided with a limiting hole, and the limiting column is simultaneously positioned in the limiting hole. Prevent that carousel and separation blade from excessively rotating to the accurate position of separation blade bottom in V type guide way.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. the structure of contact actuation is adopted, so that the working mode that the existing switch contact is powered on by an electromagnetic coil to continuously actuate is eliminated, and the problem that the energy consumption is generated when the contact coil continuously generates electricity and heat during the action of the original contactor is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of another view of the present application;
FIG. 3 is a schematic top view of the present application;
FIG. 4 is a schematic diagram of the internal structure of the connection piece;
FIG. 5 is a schematic diagram of an internal structure of a second connection piece;
FIG. 6 is a schematic perspective view of a driving mechanism;
FIG. 7 is a schematic diagram of a front view of a driving mechanism;
FIG. 8 is a schematic diagram of a driving mechanism in front view;
FIG. 9 is a schematic diagram of a rear view of the driving mechanism;
FIG. 10 is a schematic diagram of a rear view of a driving mechanism;
fig. 11 is an exploded view of the trigger assembly.
The cable comprises 100 parts of a wiring lug, 101 parts of a housing, 102 parts of a static contact, 103 parts of a moving contact, 104 parts of a deflector rod, 105 parts of a wire inlet end, 106 parts of a wire outlet end, 107 parts of an arc extinguishing piece, 108 parts of a through hole, 2 parts of a control part, 3 parts of a connecting shaft, 4 parts of a supporting plate, 41 parts of a V-shaped guide groove, 42 parts of a limiting hole, 5 parts of a triggering component, 51 parts of an electromagnet, 52 parts of a mandril, 53 parts of a deflector block, 54 parts of a pin shaft, 55 parts of a connecting rod, 551 parts of a guide post, 56 parts of a guide sleeve, 57 parts of a pressure spring, 6 parts of a switching component, 61 parts of a turntable, 611 parts of a limiting groove, 62 parts of a baffle plate, 621 parts of a limiting post, 63 parts of a fixing seat, 64 parts of a connecting piece, 65 parts of a spring plate, 66 parts of a spring, 7 parts of a deflector plate, 71 parts of a shaft hole, 72 parts of a waist part and 8 parts of a deflector plate.
Detailed Description
The present application is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the application only and not limiting the scope of the application, and that modifications of the application, which are equivalent to those skilled in the art to which the application pertains, will fall within the scope of the application as defined in the appended claims.
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 present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "peripheral surface", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements 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," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "vertical" and the like do not mean that the component is required to be absolutely horizontal or overhanging, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to 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 will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples of the application described and the features of the various embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Examples:
as shown in fig. 1 to 5, a control and protection switch comprises a wiring part 1, a control part 2 and a connecting shaft 3; the control part 2 is internally provided with a driving mechanism and a circuit chip, the driving mechanism is controlled by a signal sent by the circuit chip, and the driving mechanism is used for driving the connecting shaft 3 to rotate or stay;
the wiring part 1 is fixedly connected with the control part 2, the wiring part 1 comprises a plurality of wiring lugs 100 which are arranged side by side, each wiring lug 100 comprises a shell 101, a fixed contact 102, a movable contact 103, a deflector rod 104, a wire inlet end 105 and a wire outlet end 106, the fixed contact 102 is fixedly connected with the wire inlet end 105, the fixed contact 102 is provided with a contact, one end of the movable contact 103 is in soft connection with the wire outlet end 106 through a wire (not shown in the figure), the other end of the movable contact 103 is in contact connection with the fixed contact 102, a non-circular jack is formed in the deflector rod 104, one end of the deflector rod 104 is hinged with the movable contact 103, the deflector rod 104 is used for driving the movable contact 103 to rotate, the fixed contact 102, the wire inlet end 105 and the wire outlet end 106 are fixedly connected with the shell 101, one end of the movable contact 103, the movable contact 103 and the fixed contact 102 are fixedly connected with the shell 101, an arc extinguishing piece 108 is arranged between the movable contact 103 and the fixed contact 102, and the wire inlet end 105 and the wire outlet end 106 are mutually insulated; the connecting shaft 3 is matched with the jack of the deflector rod 104, one end of the connecting shaft 3 is connected to the driving mechanism, the other end of the connecting shaft 3 traverses the wiring part 1 and is inserted into the jack of the deflector rod 104, and the connecting shaft 3 is used for driving the deflector rod 104 to rotate;
in addition, the middle part of the deflector rod 104 is connected with the shell 101 in a shaft way, the end part of the other end of the deflector rod 104 is provided with a bicolor color code, the shell is provided with a through hole 109 at the corresponding part of the bicolor color code, the color code color of the end part of the deflector rod 104 can be directly observed through the through hole 109, and the rotating position of the deflector rod 104 is judged through different colors, so that the current working state of the wiring part is conveniently judged.
6-11, the driving mechanism comprises a supporting plate 4, a triggering component 5, a switching component 6, a first poking piece 7 and a second poking piece 8, wherein the triggering component 5 comprises an electromagnet 51, a push rod 52, a poking block 53, a pin shaft 54 and a connecting rod 55, and the switching component 6 comprises a rotary disc 61, a blocking piece 62, a fixed seat 63, a connecting piece 64 and a spring piece 65; the support plate 4 is provided with a V-shaped guide groove 41 and a limiting hole 42, an electromagnet 51 is arranged in a guide sleeve 56, one end of a push rod 52 is arranged in the guide sleeve 56 and a pressure spring 57 is arranged between the electromagnet 51, the other end of the push rod 52 is hinged with one end of a shifting block 53, the middle part of the shifting block 53 is connected with the support plate 4 in a shaft way, the other end of the shifting block 53 is connected with a pin shaft 54, one end of a connecting rod 55 is hinged with the pin shaft 54, the other end of the connecting rod 55 is provided with a guide column 551, and the guide column 551 is positioned in the V-shaped guide groove 41; the rotary table 61 and the baffle plate 62 are coaxially and axially connected to the supporting plate 4, a limit groove 611 is formed in the upper portion of the rotary table 61, a notch is formed in the lower portion of the rotary table 61, the guide post 551 is located in the notch at the same time, a limit post 621 is arranged at the upper end of the baffle plate 62, the limit post 621 is located in the limit hole 42 and the limit groove 611 at the same time, the forward projection part of the bottom of the lower end of the baffle plate 62 shields the forward projection of the V-shaped guide groove 41 and has a gap with the inner wall of the V-shaped guide groove 41, the fixing seat 63 is fixed to the supporting plate 4, one end of the elastic piece 65 is fixed to the supporting plate 4, the other end of the elastic piece 65 is connected with the fixing seat 63 through a spring 66, one end of the connecting piece 64 is hinged to the rotary table 61, the other end of the connecting piece is hinged to the elastic piece 65, one end of the first and second ends of the pulling pieces are respectively and coaxially provided with shaft holes 71 corresponding to the connecting shaft 3, the connecting shaft 3 is inserted into the shaft holes 71 of the first and second pulling pieces 7 and 8, the other ends of the pulling pieces 7 and the second 8 are respectively provided with waist holes 72, and the guide posts are located in the waist holes 72 of the first and second pieces 7 and 8.
The driving mechanism has two states of normal state and trigger driving state, and under the normal state: the electromagnet is not powered, and the ejector rod keeps the end of the shifting block provided with the pin shaft in an upward posture under the action of the pressure spring, so that the guide post is positioned at the top of one end of the V-shaped guide groove, the bottom of the lower end of the baffle piece is positioned at the end of the V-shaped guide groove where the guide post is positioned, and meanwhile, the shifting block I and the shifting block II are kept motionless, and a connecting shaft connected with one shaft hole is kept motionless; triggering driving: the electromagnet is powered on briefly, the ejector rod is contracted by overcoming the elasticity of the pressure spring, the shifting block is caused to rotate, one end of the shifting block, provided with a pin shaft, moves downwards, the guide post moves downwards along the V-shaped guide groove, the bottom of the lower end of the blocking piece is abutted against the bottom of the lower end of the blocking piece in the moving process, the blocking piece and the rotary table are forced to rotate at a small angle, the guide post is separated from the bottom of the lower end of the blocking piece and then is positioned at the bottom of the V-shaped guide groove, under the action of the spring and the elastic sheet, the rotary table drives the blocking piece to return to the original position, the blocking piece continues to partially block the V-shaped guide groove at the end, one piece of the first shifting piece and the second shifting piece keeps motionless in the moving process, the other piece correspondingly rotates, then the electromagnet is powered off, the ejector rod stretches under the action of the pressure spring, the shifting block reversely rotates, one end of the shifting block is enabled to move upwards, the guide post moves upwards along the V-shaped guide groove, the lower end of the V-shaped guide groove is abutted against the guide groove, the lower end of the blocking piece is enabled to move to be positioned at the top of the other end of the V-shaped guide groove in the moving process, the blocking piece is enabled to move in the opposite direction, the corresponding piece is kept in the moving position of the V-shaped guide groove is stopped, and the opposite direction of the elastic sheet is enabled to move opposite to move the opposite to the elastic sheet, and the opposite direction is enabled to rotate, and the opposite direction of the elastic sheet is kept to rotate, and the opposite to rotate opposite to the blocking piece is driven to rotate, and the opposite to the opposite direction of the rotary table; therefore, the driving mechanism triggers the driving process once, the first poking piece and the second poking piece rotate in the same direction by a specific angle, the driving requirement of the connecting shaft is met, the connecting shaft rotates by a specific angle and is kept, and the electromagnet only triggers the driving process to be powered on, and the electromagnet does not need to be powered on in a conventional state, so that the problem that energy consumption is generated when the contact coil continuously generates electricity and generates heat when the original contactor acts is solved.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
1. the structure of contact actuation is adopted, so that the working mode that the existing switch contact is powered on by an electromagnetic coil to continuously actuate is eliminated, and the problem that the energy consumption is generated when the contact coil continuously generates electricity and heat during the action of the original contactor is solved.

Claims (4)

1. A control and protection switch, comprising:
a control part, wherein a driving mechanism and a circuit chip are arranged in the control part;
the wiring part comprises a plurality of wiring lugs, the wiring lugs are arranged side by side and fixedly connected to the control part, the wiring lugs comprise a shell, a fixed contact, a moving contact and a deflector rod are arranged in the shell, one end of the moving contact is connected with the shell in a shaft mode, the other end of the moving contact can abut against the fixed contact, a jack is formed in the deflector rod, one end of the deflector rod is hinged to the moving contact, and the deflector rod is used for driving the moving contact to rotate;
the connecting shaft is matched with the jack, one end of the connecting shaft is connected to the driving mechanism, the other end of the connecting shaft traverses the wiring part and is inserted into the jack, and the connecting shaft is used for driving the deflector rod to rotate;
the wire inlet end is inserted into the shell and connected with the fixed contact;
the wire outlet end is inserted into the shell and is in flexible connection with the movable contact through a wire;
the circuit chip is used for sending out a signal to control the driving mechanism, and the driving mechanism is used for driving the connecting shaft to rotate or stay; the driving mechanism comprises a supporting plate, a triggering assembly, a switching assembly, a first poking piece and a second poking piece, wherein the triggering assembly comprises an electromagnet, a push rod, a poking block, a pin shaft and a connecting rod, and the switching assembly comprises a turntable, a blocking piece, a fixing seat, a connecting piece and a spring piece; the support plate is provided with a V-shaped guide groove, the electromagnet is arranged in the guide sleeve, one end of the ejector rod is arranged in the guide sleeve and a pressure spring is arranged between the ejector rod and the electromagnet, the other end of the ejector rod is hinged with one end of the shifting block, the middle part of the shifting block is connected with the support plate in a shaft mode, the other end of the shifting block is connected with the pin shaft, one end of the connecting rod is hinged with the pin shaft, the other end of the connecting rod is provided with a guide column, and the guide column is positioned in the V-shaped guide groove; the rotary table is connected with the supporting plate in a coaxial shaft mode, a limiting groove is formed in the upper portion of the rotary table, a notch is formed in the lower portion of the rotary table, the guide post is located in the notch at the same time, a limiting post is arranged at the upper end of the blocking piece, the limiting post is located in the limiting groove, forward projection of the bottom of the lower end of the blocking piece partially shields the V-shaped guide groove, a gap exists between the V-shaped guide groove and the inner wall of the V-shaped guide groove, the fixing base is fixed to the supporting plate, one end of the elastic piece is fixed to the supporting plate, the other end of the elastic piece is connected with the fixing base through a spring, one end of the connecting piece is hinged to the rotary table, the other end of the elastic piece is hinged to the shaft hole corresponding to the connecting shaft, the connecting shaft is inserted into the shaft hole of the first end of the shifting piece or the shaft hole of the second end of the shifting piece, the first end of the shifting piece and the second end of the shifting piece are respectively provided with waist holes, and the guide post is located in the first end of the shifting piece and the second end of the shifting piece at the same time.
2. The control and protection switch of claim 1, wherein: and an arc extinguishing piece is arranged at the contact position of the moving contact and the fixed contact.
3. The control and protection switch of claim 2, wherein: the middle part of the deflector rod is connected with the shell in a shaft way, the end parts of the other end of the deflector rod are respectively provided with a bicolor color code, and the shell is provided with a through hole at the corresponding part of the bicolor color code.
4. The control and protection switch of claim 1, wherein: the backup pad is provided with spacing hole simultaneously, spacing post is located simultaneously spacing downthehole.
CN202110467213.5A 2021-04-28 2021-04-28 Control and protection switch Active CN113178347B (en)

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Application Number Priority Date Filing Date Title
CN202110467213.5A CN113178347B (en) 2021-04-28 2021-04-28 Control and protection switch

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CN113178347A CN113178347A (en) 2021-07-27
CN113178347B true CN113178347B (en) 2023-08-25

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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN2484634Y (en) * 2001-04-30 2002-04-03 广东伟雄集团有限公司 Small circuit breaker
CN210113642U (en) * 2019-08-26 2020-02-25 西南交通大学 Electrical switch with arc extinguishing structure
CN214588505U (en) * 2021-04-28 2021-11-02 江苏优品电气有限公司 Novel control and protection switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2484634Y (en) * 2001-04-30 2002-04-03 广东伟雄集团有限公司 Small circuit breaker
CN210113642U (en) * 2019-08-26 2020-02-25 西南交通大学 Electrical switch with arc extinguishing structure
CN214588505U (en) * 2021-04-28 2021-11-02 江苏优品电气有限公司 Novel control and protection switch

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