CN114613630A - High-temperature-resistant travel switch - Google Patents
High-temperature-resistant travel switch Download PDFInfo
- Publication number
- CN114613630A CN114613630A CN202210057482.9A CN202210057482A CN114613630A CN 114613630 A CN114613630 A CN 114613630A CN 202210057482 A CN202210057482 A CN 202210057482A CN 114613630 A CN114613630 A CN 114613630A
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- China
- Prior art keywords
- side plate
- travel switch
- high temperature
- switch
- terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a high-temperature-resistant travel switch, which comprises a frame assembly, a switch body and a switch cover, wherein the frame assembly comprises a base, a side plate and a cover plate, and the side plate is arranged between the base and the cover plate; the pressing assembly is arranged in the center of the interior of the frame assembly and comprises a plug and a key, the plug is arranged in the center of the bottom of the side plate, and the key is arranged at the top of the plug; the rotating assembly is arranged on one side of the pressing assembly and comprises a mercury switch and a rotating rod, and the mercury switch is arranged at the top of the rotating rod; and the wiring component is arranged on the other side of the pressing component and comprises a wiring terminal and a wire. The invention can work in high temperature environment through the cooperation of the frame component, the pressing component, the rotating component and the wiring component, can not cause the switch contact to be oxidized and invalid due to high temperature, and has high applicability.
Description
Technical Field
The invention relates to the technical field of travel switches, in particular to a travel switch capable of resisting high temperature.
Background
In a power plant, a part of travel switches of actuating mechanisms are positioned at high-temperature parts, contacts of the travel switches are easily oxidized due to high temperature to cause poor contact of the contacts, the switches cannot normally act, and further equipment feedback failure is caused, and mercury in the sealing glass cannot be oxidized and lose efficacy due to high temperature.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the conventional trip switch.
The problem to be solved by the invention is therefore to design a travel switch which is not deactivated by high-temperature oxidation.
In order to solve the technical problems, the invention provides the following technical scheme: a travel switch capable of resisting high temperature is provided with a frame assembly, wherein the frame assembly comprises a base, a side plate and a cover plate, and the side plate is arranged between the base and the cover plate; the pressing assembly is arranged in the center of the interior of the frame assembly and comprises a plug and a key, the plug is arranged in the center of the bottom of the side plate, and the key is arranged at the top of the plug; the rotating assembly is arranged on one side of the pressing assembly and comprises a mercury switch and a rotating rod, and the mercury switch is arranged at the top of the rotating rod; and the wiring component is arranged on the other side of the pressing component and comprises a wiring terminal and a wire.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the pressing assembly is arranged on the left side and the right side of the side plate and can penetrate through the left through hole and the right through hole of the side plate, and a wire outlet is formed in one side of the bottom of the side plate.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the plug penetrates through and is fixedly connected with the through hole at the bottom of the side plate, and the key penetrates through and is connected with the through hole at the top of the side plate.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the pressing assembly further comprises four fixing rods, and the four fixing rods surround the circle center of the plug and are arranged at the top of the plug.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the pressing assembly further comprises a magnet and a spring, the magnet is cylindrical and is arranged at the bottom of the key, the spring is arranged at the bottom of the magnet, and the two ends of the spring are connected with the top of the plug and the bottom of the magnet respectively.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the pressing assembly further comprises a seal arranged at the top of the fixing rod, the bottom of the key, the magnet and the spring are arranged inside the fixing rod, and the top of the key can move up and down in the through hole in the top of the side plate.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the mercury switch comprises a glass shell, mercury clusters and three binding posts, wherein the glass shell is a glass container, half of the mercury clusters and half of nitrogen are arranged inside the glass shell, the binding posts penetrate through the bottom of the glass shell and contact with the mercury clusters, and the number of the binding posts is three, and the binding posts are uniformly distributed at the bottom of the glass shell.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the rotating assembly further comprises a fixing shaft, a second magnet and a second spring, the fixing shaft is arranged in the middle of the rotating rod and is in through connection with the rotating rod and the base, the second magnet is arranged at the bottom of the rotating rod, and the second spring is transversely connected with the bottom of the rotating rod and one side of the side plate.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: binding post includes left terminal and right terminal, left side terminal with right terminal is respectively three, right side terminal passes through the wire is connected the terminal, the wire is connected left side terminal passes through the outlet that curb plate bottom one side was equipped with is drawn forth.
As a preferable aspect of the high temperature resistant travel switch of the present invention, wherein: the mercury switch can be communicated with the two left binding posts when swinging on the left side, and can be communicated with the two right binding posts when swinging on the right side.
The invention has the beneficial effects that: the invention can work in high temperature environment through the cooperation of the frame component, the pressing component, the rotating component and the wiring component, can not cause the switch contact to be oxidized and invalid due to high temperature, and has high applicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a front view of a travel switch that can withstand high temperatures.
Fig. 2 is an isometric view of a travel switch that may be resistant to high temperatures.
Fig. 3 is a view showing the key press of the pressing component rotating component of the travel switch which can resist high temperature.
FIG. 4 is a diagram of a default state of a push assembly rotating assembly of a travel switch that can withstand high temperatures.
Fig. 5 is a left-hand view of a mercury switch of a travel switch capable of withstanding high temperatures.
Fig. 6 is a right-hand view of a mercury switch of a travel switch capable of withstanding high temperatures.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, there is provided a first embodiment of the present invention, which provides a high temperature resistant travel switch including a frame assembly 100, a pressing assembly 200, a rotating assembly 300, and a wiring assembly 400.
Specifically, the frame assembly 100 includes a base 101, a side plate 102 and a cover plate 103, the side plate 102 is disposed between the base 101 and the cover plate 103, and the frame assembly 100 is used for fixing and protecting other parts of the device.
Specifically, the pressing assembly 200 is disposed at the center inside the frame assembly 100, and includes a plug 201 and a button 202, the plug 201 is disposed at the center of the bottom of the side plate 102, the button 202 is disposed at the top of the plug 201, and when the button 202 of the pressing assembly 200 is pressed, the switch is switched to another state.
Specifically, the rotating assembly 300 is disposed on one side of the pressing assembly 200, and includes a mercury switch 301 and a rotating rod 302, the mercury switch 301 is disposed on the top of the rotating rod 302, and when the button 202 of the pressing assembly 200 is pressed, the mercury switch 301 of the rotating assembly 300 changes its angle, so as to switch to another state.
Specifically, the connection module 400 is disposed on the other side of the pressing module 200, and includes a connection terminal 401 and a wire 402, the connection module 400 uses the connection terminal 401 and the wire 402 to transmit the on-off state to the outside, the connection terminal 401 uses a ceramic material base, and the wire 402 uses a high temperature resistant wire.
In use, the frame assembly 100 is used to fix and protect other parts of the apparatus, and when the button 202 of the pressing assembly 200 is pressed, the mercury switch 301 of the rotating assembly 300 changes its angle to switch to another state, and the wiring assembly 400 transmits the switch state to the outside using the wiring terminal 401 and the wire 402.
Example 2
Referring to fig. 1 to 6, a second embodiment of the present invention is based on the above embodiment.
Specifically, through holes are formed in the upper portion and the lower portion of the side plate 102, the pressing assembly 200 penetrates through the through holes in the upper portion and the lower portion of the side plate 102, through holes are also formed in the left side and the right side of the side plate 102, the pressing assembly 200 can also penetrate through the through holes in the left side and the right side of the side plate 102, a wire outlet is formed in one side of the bottom of the side plate 102, the pressing assembly 200 is fixed on the base 101, the top of the upper connecting side plate 102 and the bottom of the lower connecting side plate 102 are stably placed in the middle.
Specifically, the plug 201 penetrates through a through hole at the bottom of the fixed connection side plate 102, the button 202 penetrates through a through hole at the top of the connection side plate 102, and the plug 201 can be screwed down and screwed up from the side surface of the side plate 102, so that the direction of the pressing assembly 200 is changed to be horizontal.
Specifically, the pressing assembly 200 further includes four fixing rods 203, the four fixing rods 203 are disposed at the top of the plug 201 around the center of the plug 201, and the fixing rods 203 are used for limiting the moving direction of the internal objects.
Specifically, the pressing assembly 200 further comprises a first magnet 204 and a first spring 205, the first magnet 204 is cylindrical and is arranged at the bottom of the button 202, the first spring 205 is arranged at the bottom of the first magnet 204, two ends of the first spring 205 are respectively connected with the top of the plug 201 and the bottom of the first magnet 204, when the button 202 is pressed down, the first spring 205 is compressed, and the first magnet 204 is driven to move down to change the switch state.
Specifically, the pressing assembly 200 further comprises a seal 206 disposed on the top of the fixing rod 203, the bottom of the button 202, the first magnet 204 and the first spring 205 are disposed inside the fixing rod 203, the top of the button 202 can move up and down in a through hole in the top of the side plate 102, when the button 202 is released, the first spring 205 releases elastic force, the first magnet 204 returns to the original position, and the switch state is restored as before.
When the switch is used, the frame assembly 100 is used for fixing and protecting other parts of the device, the pressing assembly 200 is fixed on the base 101, the top of the upper connecting side plate 102 and the bottom of the lower connecting side plate 102 are stably placed in the middle, meanwhile, the plug 201 can be screwed down and screwed up from the side surface of the side plate 102, the direction of the pressing assembly 200 is changed into a horizontal direction, the fixing rod 203 is used for limiting the moving direction of internal objects, when the button 202 of the pressing assembly 200 is pressed, the first spring 205 is compressed, the first magnet 204 is driven to move downwards to change the switch state, when the button 202 is loosened, the first spring 205 releases the elastic force, the first magnet 204 returns to the original position, the switch state is recovered as before, the mercury switch 301 of the rotating assembly 300 can change the angle of the mercury switch, so that the switch is switched to another state, and the switch state is transmitted to the outside by the wiring assembly 400 through the wiring terminal 401 and the lead 402.
Example 3
Referring to FIGS. 1-6, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the mercury switch 301 comprises a glass shell 301a, a mercury ball 301b and terminals 301c, wherein the glass shell 301a is a glass container, a half-water silver ball 301b and a half-nitrogen gas are arranged inside the glass shell 301a, the terminals 301c penetrate through the bottom of the glass shell 301a and are contacted with the mercury ball 301b, the number of the terminals 301c is three, the terminals 301c are uniformly distributed at the bottom of the glass shell 301a, and when the mercury ball 301b is contacted with the terminals 301c, the terminals 301c contacted with the mercury ball can be communicated.
Specifically, the rotating assembly 300 further includes a fixed shaft 303, a second magnet 304 and a second spring 305, the fixed shaft 303 is disposed in the middle of the rotating rod 302 and penetrates through and connects the rotating rod 302 and the base 101, the second magnet 304 is disposed at the bottom of the rotating rod 302, the second spring 305 is transversely connected to the bottom of the rotating rod 302 and one side of the side plate 102, the second spring 305 pulls the lower end of the rotating rod 302 to the side where the second spring 305 is located, at this time, the mercury switch 301 is in a left-swing state, the inner mercury ball 301b connects the two terminal posts 301c at the left end, when the button 202 of the pressing assembly 200 is pressed, the first spring 205 is compressed, the first magnet 204 is driven to move down, the first magnet 204 and the second magnet 304 are close, when the attractive force between the first magnet 204 and the second magnet 304 is greater than the tensile force of the second spring 305, the rotating assembly 300 rotates around the fixed shaft 303, and the mercury switch 301 is switched from the left-swing state to the right-swing state, at this time, the two terminals 301c at the right end are communicated.
Specifically, the wiring terminal 401 includes a left wiring terminal 401a and a right wiring terminal 401b, the left wiring terminal 401a and the right wiring terminal 401b are respectively three, the right wiring terminal 401b is connected with the wiring terminal 301c through a wire 402, the wire 402 is connected with the left wiring terminal 401a and is led out through an outlet arranged on one side of the bottom of the side plate 102, and the state of the switch is transmitted to the outside.
Specifically, the mercury switch 301 is connected to the two left terminals 301c when swinging to the left and the two right terminals 301c when swinging to the right, and such switching manner does not worry about the failure of the mercury ball 301b inside.
When in use, the frame assembly 100 is used for fixing and protecting other parts of the device, the pressing assembly 200 is fixed on the base 101, the top of the upper connecting side plate 102 and the bottom of the lower connecting side plate 102 are stably placed in the middle, meanwhile, the plug 201 can be screwed down and screwed up from the side surface of the side plate 102, the direction of the pressing assembly 200 is changed to be horizontal, the fixing rod 203 is used for limiting the moving direction of the internal objects, when the button 202 of the pressing assembly 200 is pressed, the first spring 205 is compressed, the first magnet 204 is driven to move downwards, the first magnet 204 and the second magnet 304 are close, when the attraction force between the first magnet 204 and the second magnet 304 is larger than the pulling force of the second spring 305, the rotating assembly 300 rotates around the fixing shaft 303, the mercury switch 301 is changed from a left-swinging state to a right-swinging state, at the moment, two terminals 301c at the right end are communicated, when the button 202 is released, the first spring 205 releases the elastic force, and the first magnet 204 returns to the original position, the attractive force between the two magnets is reduced, the second spring 305 switches the mercury switch 301 of the rotating assembly 300 from the right-swing state to the left-swing state, the switch state is restored as before, the mercury switch 301 of the rotating assembly 300 changes its angle, and thus the switch is switched to another state, and the wiring assembly 400 transmits the switch state to the outside by using the wiring terminal 401 and the lead 402.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A high-temperature-resistant travel switch is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a frame assembly (100) comprising a base (101), a side plate (102) and a cover plate (103), the side plate (102) being disposed between the base (101) and the cover plate (103);
the pressing assembly (200) is arranged in the center of the interior of the frame assembly (100) and comprises a plug (201) and a button (202), the plug (201) is arranged in the center of the bottom of the side plate (102), and the button (202) is arranged at the top of the plug (201);
the rotating assembly (300) is arranged on one side of the pressing assembly (200) and comprises a mercury switch (301) and a rotating rod (302), and the mercury switch (301) is arranged at the top of the rotating rod (302);
and the wiring assembly (400) is arranged on the other side of the pressing assembly (200) and comprises a wiring terminal (401) and a lead (402).
2. The high temperature resistant travel switch of claim 1, wherein: through holes are formed in the upper portion and the lower portion of the side plate (102), the pressing assembly (200) penetrates through the upper through hole and the lower through hole of the side plate (102), through holes are formed in the left side and the right side of the side plate (102) in the same mode, the pressing assembly (200) can also penetrate through the left through hole and the right through hole of the side plate (102), and a wire outlet is formed in one side of the bottom of the side plate (102).
3. The high temperature resistant travel switch of claim 2, wherein: the plug (201) is fixedly connected with a through hole at the bottom of the side plate (102) in a penetrating way, and the key (202) is connected with a through hole at the top of the side plate (102) in a penetrating way.
4. The high temperature resistant travel switch of claim 2 or 3, wherein: the pressing assembly (200) further comprises four fixing rods (203), and the four fixing rods (203) are arranged at the top of the plug (201) around the circle center of the plug (201).
5. The high temperature resistant travel switch of claim 4, wherein: the pressing assembly (200) further comprises a magnet (204) and a spring (205), the magnet (204) is cylindrical and is arranged at the bottom of the key (202), the spring (205) is arranged at the bottom of the magnet (204), and two ends of the spring are respectively connected with the top of the plug (201) and the bottom of the magnet (204).
6. The high temperature resistant travel switch of claim 5, wherein: the pressing assembly (200) further comprises a seal (206) arranged at the top of the fixing rod (203), the bottom of the key (202), the first magnet (204) and the first spring (205) are arranged inside the fixing rod (203), and the top of the key (202) can move up and down in a through hole in the top of the side plate (102).
7. The high temperature resistant travel switch of claim 6, wherein: mercury switch (301) include glass shell (301a), mercury ball (301b) and terminal (301c), glass shell (301a) are the glass container, and inside is equipped with half mercury ball (301b) and half nitrogen gas, terminal (301c) run through glass shell (301a) bottom with mercury ball (301b) contact, terminal (301c) have threely, evenly distributed be in glass shell (301a) bottom.
8. The high temperature resistant travel switch of claim 7, wherein: rotating assembly (300) still includes fixed axle (303), No. two magnet (304) and No. two spring (305), fixed axle (303) set up in bull stick (302) middle part, through connection bull stick (302) with base (101), No. two magnet (304) set up in bull stick (302) bottom, No. two spring (305) transverse connection bull stick (302) bottom with curb plate (102) one side.
9. The high temperature resistant travel switch of claim 8, wherein: binding post (401) includes left terminal (401a) and right terminal (401b), left terminal (401a) with right terminal (401b) is respectively three, right terminal (401b) passes through wire (402) are connected terminal (301c), wire (402) are connected left terminal (401a) pass through the outlet that curb plate (102) bottom one side was equipped with is drawn forth.
10. The high temperature resistant travel switch of claim 7 or 9, wherein: the mercury switch (301) can be communicated with the two left terminals (301c) when swinging on the left side, and can be communicated with the two right terminals (301c) when swinging on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210057482.9A CN114613630A (en) | 2022-01-19 | 2022-01-19 | High-temperature-resistant travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210057482.9A CN114613630A (en) | 2022-01-19 | 2022-01-19 | High-temperature-resistant travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114613630A true CN114613630A (en) | 2022-06-10 |
Family
ID=81858259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210057482.9A Pending CN114613630A (en) | 2022-01-19 | 2022-01-19 | High-temperature-resistant travel switch |
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| Country | Link |
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| CN (1) | CN114613630A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB449284A (en) * | 1935-03-08 | 1936-06-24 | Hg Relay Patent Ab | Improvements in or relating to mercury or other conducting liquid electric switches |
| CN2194543Y (en) * | 1994-04-01 | 1995-04-12 | 李敏 | Automatic position switch |
| CN1373333A (en) * | 2002-03-25 | 2002-10-09 | 许大雄 | Angular mercury switch triggered wind pressure valve for gas water heater |
| CN104355009A (en) * | 2014-10-27 | 2015-02-18 | 雷诺士(常州)电子有限公司 | Liquid surface control device |
| CN106298304A (en) * | 2016-10-19 | 2017-01-04 | 平高集团有限公司 | A kind of hydraulic pressure spring operating mechanism and travel switch assembly thereof |
| CN108899241A (en) * | 2018-07-10 | 2018-11-27 | 武汉船用机械有限责任公司 | A kind of switching switch |
| CN208848822U (en) * | 2018-10-27 | 2019-05-10 | 南京汇讯自控设备有限公司 | Level alarm formula liquid-level switch |
| CN213027149U (en) * | 2020-09-02 | 2021-04-20 | 霸州市三兴电气自动化有限公司 | Intelligent protection switch |
-
2022
- 2022-01-19 CN CN202210057482.9A patent/CN114613630A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB449284A (en) * | 1935-03-08 | 1936-06-24 | Hg Relay Patent Ab | Improvements in or relating to mercury or other conducting liquid electric switches |
| CN2194543Y (en) * | 1994-04-01 | 1995-04-12 | 李敏 | Automatic position switch |
| CN1373333A (en) * | 2002-03-25 | 2002-10-09 | 许大雄 | Angular mercury switch triggered wind pressure valve for gas water heater |
| CN104355009A (en) * | 2014-10-27 | 2015-02-18 | 雷诺士(常州)电子有限公司 | Liquid surface control device |
| CN106298304A (en) * | 2016-10-19 | 2017-01-04 | 平高集团有限公司 | A kind of hydraulic pressure spring operating mechanism and travel switch assembly thereof |
| CN108899241A (en) * | 2018-07-10 | 2018-11-27 | 武汉船用机械有限责任公司 | A kind of switching switch |
| CN208848822U (en) * | 2018-10-27 | 2019-05-10 | 南京汇讯自控设备有限公司 | Level alarm formula liquid-level switch |
| CN213027149U (en) * | 2020-09-02 | 2021-04-20 | 霸州市三兴电气自动化有限公司 | Intelligent protection switch |
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