CN108231484B - Relay based on pneumatic transmission - Google Patents
Relay based on pneumatic transmission Download PDFInfo
- Publication number
- CN108231484B CN108231484B CN201711476141.0A CN201711476141A CN108231484B CN 108231484 B CN108231484 B CN 108231484B CN 201711476141 A CN201711476141 A CN 201711476141A CN 108231484 B CN108231484 B CN 108231484B
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- China
- Prior art keywords
- spring
- shell
- fixed block
- moving
- moving block
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
Abstract
The invention discloses a relay based on pneumatic transmission, which comprises a shell, a movable spring, a static spring and a pneumatic transmission assembly, wherein the movable spring and the static spring are arranged on two sides in the shell; the shifting rod is arranged between the movable springs on the two sides of the shell, connecting grooves are formed in the two sides of the shifting rod respectively and connected with the movable springs, a moving hole is formed in the middle of the shifting rod, and the moving hole is connected with the output end of the transmission mechanism. The invention is energy-saving and environment-friendly and is convenient for prolonging the service life of the relay.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a pneumatic transmission relay.
Background
A relay, also called relay, is an electronic control device, which has a control system (also called input loop) and a controlled system (also called output loop), and is usually applied in an automatic control circuit, and it is actually an "automatic switch" that uses a small current to control a large current, so that it plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit. The existing relay utilizes mechanical transmission to realize the switch work of a moving electrode. Traditional mechanical transmission mode is single, and because mechanical part's error makes mechanical part take place wearing and tearing, vibration easily in the transmission process and reduces the life of each part, and then reduces the life of relay.
Disclosure of Invention
According to the defects of the prior art, the invention aims to provide the relay based on pneumatic transmission, which is energy-saving and environment-friendly and is convenient for prolonging the service life of the relay.
In order to solve the technical problems, the invention adopts the following technical scheme:
a relay based on pneumatic transmission comprises a shell, a movable spring, a static spring and a pneumatic transmission assembly, wherein the movable spring and the static spring are arranged on two sides in the shell;
the shifting rod is arranged between the movable springs on the two sides of the shell, connecting grooves are formed in the two sides of the shifting rod respectively and connected with the movable springs, a moving hole is formed in the middle of the shifting rod, and the moving hole is connected with the output end of the transmission mechanism.
Further, the transmission mechanism comprises a moving block and a connecting shaft, the moving block is connected with the output end of the air cylinder, a fixed block is arranged at the bottom of the shell, the bottom of the moving block is connected with the fixed block in a sliding mode, and the connecting shaft is connected with the moving hole.
Furthermore, a sliding groove is formed in the fixed block, a sliding rail is arranged at the bottom of the moving block, and the sliding rail is connected with the sliding groove.
Further, in order to reduce the impact between the connecting shaft and the moving hole, a buffer device is arranged on the fixed block and comprises a vertical plate arranged on the fixed block and a spring arranged on the moving block, and when the moving block moves, the spring and the vertical plate are impacted to buffer.
Further, in order to enhance the buffering effect, the spring includes a first spring and a second spring.
Further, the elastic modulus of the first spring is larger than that of the second spring.
Further, in order to facilitate connection of the motor, the motor lead is connected with a lead connector.
Further, in order to facilitate the placement of the wire connectors, a wire connector placement groove is formed in the shell, and the wire connectors are connected with the wire connector placement groove.
Under the action of external impact current, the motor drives the air compressor to work, the air compressor compresses gas in the gas storage tank, the gas drives the air cylinder to move, the air cylinder drives the moving block to move, the moving block drives the connecting shaft to move so as to realize the movement of the shifting lever, and therefore the moving spring is moved to realize the opening and closing.
The invention has the beneficial effects that: the air pressure transmission takes air as a working medium, is inexhaustible, is convenient to process, is directly discharged into the atmosphere after being used, does not pollute the environment, and can be provided with few or no air return pipelines; the pneumatic transmission control action is rapid, and the reaction is rapid; the maintenance is simple, the working medium is clean, and the problems of medium deterioration, medium replacement and the like do not exist; the impact of the connecting shaft and the moving hole is reduced through the buffer device, the service lives of the driving lever and the connecting shaft are prolonged, and the service life of the relay is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a deflector rod according to the present invention;
fig. 3 is a schematic view of a connection structure of a fixed block and a moving block according to the present invention.
In the figure: 1-a housing; 2-a movable spring; 3-static spring; 4-a pneumatic transmission assembly; 40-a motor; 41-an air compressor; 42-a gas storage tank; 43-cylinder; 5-a transmission mechanism; 50-a moving block; 51-a connecting shaft; 6-a deflector rod; 60-connecting grooves; 61-moving the hole; 7-fixing blocks; 70-a chute; 8-a slide rail; 9-a buffer device; 90-standing a plate; 91-a spring; 910-a first spring; 911-second spring; 10-a wire connector; 11-wire connector placement slots.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-3, the relay based on pneumatic transmission comprises a housing 1, a movable spring 2 and a static spring 3 which are arranged on two sides in the housing 1, and a pneumatic transmission assembly 4, wherein the pneumatic transmission assembly 4 comprises a motor 40 and an air compressor 41 connected with the motor 40, the air compressor 41 is connected with an air cylinder 43 through an air storage tank 41, and the air cylinder 43 is connected with a transmission mechanism 5;
a shifting lever 6 is arranged between the movable springs 2 on two sides of the shell 1, connecting grooves 60 are respectively formed in two sides of the shifting lever 6, the connecting grooves 60 are connected with the movable springs 2, a moving hole 61 is formed in the middle of the shifting lever 6, and the moving hole 61 is connected with the output end of the transmission mechanism 5.
The transmission mechanism 5 comprises a moving block 50 and a connecting shaft 51, the moving block 50 is connected with the output end of the air cylinder 43, the bottom of the shell 1 is provided with a fixed block 7, the bottom of the moving block 50 is connected with the fixed block 7 in a sliding mode, and the connecting shaft 51 is connected with a moving hole 61.
The fixed block 7 is provided with a sliding chute 70, the bottom of the moving block 50 is provided with a sliding rail 8, and the sliding rail 8 is connected with the sliding chute 70.
The fixed block 7 is provided with a buffer device 9, and the buffer device 9 comprises a vertical plate 90 arranged on the fixed block 7 and a spring 91 arranged on the moving block 50.
The spring 91 includes a first spring 910 and a second spring 911, and the elastic modulus of the first spring 910 is larger than that of the second spring 911.
To facilitate connection of the motor 40, the motor 40 is wire connected to the wire connector 10.
In order to facilitate the placement of the wire connectors 10, a wire connector placement groove 11 is provided inside the housing 1, and the wire connectors 10 are connected to the wire connector placement groove 11.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a relay based on air pressure transmission, it includes shell (1) and establishes movable spring (2) and quiet spring (3) of both sides in shell (1), its characterized in that: the pneumatic transmission device is characterized by further comprising a pneumatic transmission assembly (4), wherein the pneumatic transmission assembly (4) comprises a motor (40) and an air compressor (41) connected with the motor (40), the air compressor (41) is connected with an air cylinder (43) through an air storage tank (42), and the air cylinder (43) is connected with a transmission mechanism (5);
a shifting lever (6) is arranged between the movable springs (2) on the two sides of the shell (1), connecting grooves (60) are respectively formed in the two sides of the shifting lever (6), the connecting grooves (60) are connected with the movable springs (2), a moving hole (61) is formed in the middle of the shifting lever (6), and the moving hole (61) is connected with the output end of the transmission mechanism (5);
the transmission mechanism (5) comprises a moving block (50) and a connecting shaft (51), the moving block (50) is connected with the output end of the air cylinder (43), a fixed block (7) is arranged at the bottom of the shell (1), the bottom of the moving block (50) is connected with the fixed block (7) in a sliding mode, and the connecting shaft (51) is connected with the moving hole (61);
a buffer device (9) is arranged on the fixed block (7), and the buffer device (9) comprises a vertical plate (90) arranged on the fixed block (7) and a spring (91) arranged on the moving block (50); the spring (91) comprises a first spring (910) and a second spring (911);
the elastic modulus of the first spring (910) is larger than that of the second spring (911).
2. A pneumatic drive based relay according to claim 1, wherein: the fixed block (7) is provided with a sliding groove (70), the bottom of the moving block (50) is provided with a sliding rail (8), and the sliding rail (8) is connected with the sliding groove (70).
3. A pneumatic drive based relay according to claim 1, wherein: the lead of the motor (40) is connected with a lead connector (10).
4. A pneumatic drive based relay according to claim 3, wherein: the wire connector placing groove (11) is formed in the shell (1), and the wire connector (10) is connected with the wire connector placing groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476141.0A CN108231484B (en) | 2017-12-29 | 2017-12-29 | Relay based on pneumatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476141.0A CN108231484B (en) | 2017-12-29 | 2017-12-29 | Relay based on pneumatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108231484A CN108231484A (en) | 2018-06-29 |
| CN108231484B true CN108231484B (en) | 2020-04-24 |
Family
ID=62647022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711476141.0A Active CN108231484B (en) | 2017-12-29 | 2017-12-29 | Relay based on pneumatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108231484B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3238955A1 (en) * | 1982-10-21 | 1984-04-26 | E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen | TEMPERATURE SWITCHGEAR |
| CN2102563U (en) * | 1991-09-14 | 1992-04-22 | 郭太祥 | Pneumatic control switch |
| CN105931864B (en) * | 2016-06-07 | 2017-11-14 | 大唐阳城发电有限责任公司 | A kind of pneumatic high-voltage switch |
| CN206022251U (en) * | 2016-08-31 | 2017-03-15 | 武汉圣达电气股份有限公司 | A kind of plunger relay |
| CN206727016U (en) * | 2017-04-14 | 2017-12-08 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
-
2017
- 2017-12-29 CN CN201711476141.0A patent/CN108231484B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108231484A (en) | 2018-06-29 |
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Effective date of registration: 20230110 Address after: 315000 3rd floor, west side of plant 7, Binhai New Area Small and micro Industry Park, Fenghua District Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: NINGBO JINCHEN TECHNOLOGY Co.,Ltd. Address before: 4th Floor, Building 2 #, Yiliteng Industrial Park, No. 19, Qinghe Road, Luyang Industrial Zone, Hefei City, Anhui Province, 230000 Patentee before: HEFEI HEXU RELAY TECHNOLOGY Co.,Ltd. |