CN107293448A - A kind of high leakproofness air force relay - Google Patents

A kind of high leakproofness air force relay Download PDF

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Publication number
CN107293448A
CN107293448A CN201710603215.6A CN201710603215A CN107293448A CN 107293448 A CN107293448 A CN 107293448A CN 201710603215 A CN201710603215 A CN 201710603215A CN 107293448 A CN107293448 A CN 107293448A
Authority
CN
China
Prior art keywords
relay
leakproofness
piston rod
rubber
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710603215.6A
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Chinese (zh)
Inventor
怀燕
Original Assignee
怀燕
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 怀燕 filed Critical 怀燕
Priority to CN201710603215.6A priority Critical patent/CN107293448A/en
Publication of CN107293448A publication Critical patent/CN107293448A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/023Details concerning sealing, e.g. sealing casing with resin
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/64Driving arrangements between movable part of magnetic circuit and contact

Abstract

The invention discloses a kind of high leakproofness air force relay, including relay main body, the top of the relay main body is provided with iron core, the iron core is fixedly connected with relay main body, the bottom of the relay main body is provided with push pedal, the bottom of the push pedal is provided with piston rod, the side of the piston rod is provided with rubber point circle, the piston rod insertion is arranged in the rubber point circle, this kind of high leakproofness air force relay, it is mounted with rubber membrane and air chamber, after user of service is adjusted by adjusting nut to sealing container, partial air is entered in air chamber, make to form negative pressure between rubber membrane and air chamber, climbing power is provided for piston rod, promote lever, microswitch is set to open or close, this kind aerodynamic to use, advantageously reduce loss of the high leakproofness air force relay to electric power resource, save the use cost of high leakproofness air force relay.

Description

A kind of high leakproofness air force relay
Technical field
The present invention relates to relay technical field, specially a kind of high leakproofness air force relay.
Background technology
So-called relay, relay is a kind of change according to certain input signal to connect or disconnect control circuit, Realize the electrical equipment of control action, the input signal of relay can be the electricity such as electric current, voltage or temperature, speed, when Between, the non electrical quantity such as pressure, and export be typically contact the action that is switched on or switched off, relay be typically not used to directly to control to have compared with The main circuit of high current, but be controlled by contactor or other electrical equipment to main circuit, the species of relay it is many according to Its purposes can be divided into control relay, protective relay;It can be divided into instantaneous acting relay, time-delay relay by actuation time, press It is divided into electromagnetic type relay, induction type relay, air type relay, electrothermal relay box electronic relay according to operation principle, Its air type relay is widely used because of simple in construction.
But existing relay, in the course of the work, to based on consumption electric power resource, causing relay more than the control of circuit Loss of the device to electric power resource is big, and use cost is improved, and poor sealing performance cannot be ensured using safety, the conduction of relay Efficiency is low, inefficiency, when input current is excessive, and relay is handled without timely current stabilization, and security performance is low.
So, how to design a kind of high leakproofness air force relay, the problem of currently being solved as us.
The content of the invention
It is an object of the invention to provide a kind of high leakproofness air force relay, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, the present invention provides following technical scheme:A kind of high leakproofness air force relay, including Relay main body, the top of the relay main body is provided with iron core, and the iron core is fixedly connected with relay main body, it is described after The bottom of electrical equipment main body is provided with push pedal, and the bottom of the push pedal is provided with piston rod, and the side of the rubber point circle is provided with Lever, the bottom of the lever is provided with microswitch, and the rubber point circle is fixedly connected with lever, the microswitch Inside is provided with connecting leg, and the bottom of the connecting leg, which is installed, a contact, and the bottom of the piston rod is provided with air chamber, the sky The top of air chamber is provided with sealing ring, and the piston rod insertion is arranged in the air chamber, and the bottom of the air chamber is installed There is sealing container, and the sealing container is fixedly connected with air chamber, the side of the sealing container is provided with adjusting nut, institute The inside for stating air chamber is provided with rubber membrane, and the rubber membrane is fixedly connected with piston rod, and the bottom of the rubber membrane is provided with Piston, the piston is fixedly connected with rubber membrane, and the side of the piston is provided with air admission hole, and the inside of the relay main body is pacified Equipped with copper coil.
Further, the top of the push pedal is provided with bourdon tube, and the push pedal passes through bourdon tube with relay main body It is fixedly connected.
Further, the bottom of the copper coil is provided with resistance strain gage, and the resistance strain gage and copper coil electricity Property connection.
Further, the bottom of the copper coil is provided with armature, and the copper coil insertion is arranged in the armature, and It is electrically connected with the relay main body.
Further, the side of the piston rod is provided with rubber point circle, and the piston rod insertion is arranged on the rubber Divide in circle.
Further, the side of the adjusting nut is provided with live bearing, and live bearing insertion is arranged on institute State in sealing container, and be fixedly connected with the adjusting nut.
Compared with prior art, the beneficial effects of the invention are as follows:This kind of high leakproofness air force relay, is mounted with rubber Epithelium and air chamber, after user of service is adjusted by adjusting nut to sealing container, partial air is entered in air chamber, Make to form negative pressure between rubber membrane and air chamber, climbing power is provided for piston rod, promote lever, microswitch is beaten on or off Close, this kind aerodynamic to use, advantageously reduce loss of the high leakproofness air force relay to electric power resource, save high The use cost of sealing air force relay, is mounted with sealing ring and sealing container, and multiple sealing structure is conducive to protecting Hinder the safe handling of high leakproofness air force relay, be mounted with multiple copper coils, copper product as a kind of electric conductivity only The material of silver is second to, can be quickly conductive for relay main body in the work of high leakproofness air force relay, be conducive to carrying The operating efficiency of high high leakproofness air force relay, is mounted with resistance strain gage, when input current is excessive, copper coil with The suction-combining force between armature can increase, and stretching, extension deformation can occur after resistance strain gage stress, increase resistance, so that reduce electric current, Be conducive to improving the security performance of high leakproofness air force relay.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the relay main body partial structural diagram of the present invention;
Fig. 3 is the circuit diagram of the present invention;
The circuit diagram of Fig. 4 present invention;
In figure:1- is unshakable in one's determination;2- relay main bodies;3- bourdon tubes;4- push pedals;5- levers;6- microswitches;7- rubber point Circle;8- piston rods;9- sealing rings;10- air chambers;11- live bearings;12- adjusting nuts;13- sealing containers;14- copper coils; 15- armature;16- connecting legs;17- point contacts;18- rubber membranes;19- pistons;20- air admission holes;21- resistance strain gages.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-4 present invention and a kind of technical scheme is provided:A kind of high leakproofness air force relay, including relay Device main body 2, the top of the relay main body 2 is provided with iron core 1, described unshakable in one's determination 1 and is fixedly connected with relay main body 2, described The bottom of relay main body 2 is provided with push pedal 4, and the bottom of the push pedal 4 is provided with piston rod 8, the side of the rubber point circle 7 Lever 5 is installed, the bottom of the lever 5 is provided with microswitch 6, and the rubber point circle 7 is fixedly connected with lever 5, institute The inside for stating microswitch 6 is provided with connecting leg 16, and the bottom of the connecting leg 16, which is installed, a contact 17, the bottom of the piston rod 8 End is provided with air chamber 10, and the top of the air chamber 10 is provided with sealing ring 9, and the insertion of piston rod 8 is arranged on the sky In air chamber 10, the bottom of the air chamber 10 is provided with sealing container 13, and the sealing container 13 is fixed with air chamber 10 and connected Connect, the side of the sealing container 13 is provided with adjusting nut 12, and the inside of the air chamber 10 is provided with rubber membrane 18, described Rubber membrane 18 is fixedly connected with piston rod 8, and the bottom of the rubber membrane 18 is provided with piston 19, the piston 19 and rubber membrane 18 It is fixedly connected, the side of the piston 19 is provided with air admission hole 20, and the inside of the relay main body 2 is provided with copper coil 14, institute Negative pressure can be formed between air chamber 10 by stating rubber membrane 18, and climbing power is provided for piston rod.
Further, the top of the push pedal 4 is provided with bourdon tube 3, and the push pedal 4 passes through bullet with relay main body 2 Reed pipe 3 is fixedly connected, and strengthens push pedal 4, is conducive to extending the service life of push pedal 4.
Further, the bottom of the copper coil 14 is provided with resistance strain gage 21, and the resistance strain gage 21 and copper Coil 14 is electrically connected with, and the resistance strain gage 21 can effectively carry out breaking processing.
Further, the bottom of the copper coil 14 is provided with armature 15, and the insertion of copper coil 14 is arranged on the rank In iron 15, and it is electrically connected with the relay main body 2, accelerates the circuit transmission speed of copper coil 14.
Further, the side of the piston rod 8 is provided with rubber point circle 7, and the insertion of piston rod 8 is arranged on the rubber In glue point circle 7, the rubber point circle 7 effectively can serve spacing for piston rod 8.
Further, the side of the adjusting nut 12 is provided with live bearing 11, and the insertion of the live bearing 11 is set Put in the sealing container 13, and be fixedly connected with the adjusting nut 12, strengthen sealing container 13, be conducive to extension close Seal the service life of container 13.
Operation principle:First, staff is dynamic for high leakproofness air by the microswitch 6 of the bottom of relay main body 2 Power relay access input circuit, then by the copper coil 14 relay main body 2 inside be high leakproofness air force relay Output circuit is accessed, after the completion of, high leakproofness air force relay is used, in use, and staff can lead to The output loop control circuit system of high leakproofness air force relay is crossed, output loop control circuit system is normally closed by KA The normally closed point of point, KM2, the normally closed points of KM1 and four normally closed switch of the normally closed points of KT and SB2 opened points, KA opened points, KT opened points and two Individual five normal open switch of KM1 opened points have constituted guarantor and have stopped circuit loop, and the pull down resistor of bottom four prevents current impulse excessive, is High leakproofness air force relay inputs low current, and now staff rotates and adjusted further according to the converted magnitude of current circuit Nut is saved, changes the intake velocity of air admission hole, and after the access low current of copper coil 14, electromagnetism sense can be produced between armature 15 Should, by the adhesive of armature 15, the gravity of armature 15 is lost, the air between rubber membrane 18 and air chamber 10 continues to increase, until rubber Form negative pressure appearance between epithelium 18 and air chamber 10, rubber membrane 18 starts to provide climbing power for piston rod 8, rubber point circle 7 by After power, moved up by lever 5 with dynamic point contact 17, disconnect inside microswitch 6 from short loop, (point is tactile for moving together contact It is first 17) to be closed with circuit, it is initially powered up and is delayed, when 14 disconnecting circuit of copper coil, armature 15 is fallen, produces gravity and push Piston rod 8, makes to be formed between a contact 17 and microswitch 6 from short loop, the Rapid reset of microswitch 6, disconnecting circuit simultaneously takes Disappear delay, and the air inside air chamber 10 is discharged by air admission hole 20, when input current is excessive, between copper coil 14 and armature 15 The suction-combining force increase, because resistance strain gage 21 is the foil gauge point road and bridge that tetra- resistance of R1, R2, R3 and R4 are constituted, resistance should Stretching, extension deformation can be occurred by becoming after the stress of piece 21, resistance value increase, so that electric current tends towards stability.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented not by aforesaid way Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.This hair Bright protection domain should be determined by the scope of protection defined in the claims.

Claims (6)

1. a kind of high leakproofness air force relay, including relay main body (2), it is characterised in that:The relay main body (2) top is provided with (1) unshakable in one's determination, and the iron core (1) is fixedly connected with relay main body (2), the relay main body (2) Bottom is provided with push pedal (4), and the bottom of the push pedal (4) is provided with piston rod (8), and the side of the rubber point circle (7) is installed There is lever (5), the bottom of the lever (5) is provided with microswitch (6), and the rubber point circle (7) and the fixed company of lever (5) Connect, the inside of the microswitch (6) is provided with connecting leg (16), and the bottom of the connecting leg (16), which is installed, a contact (17), institute The bottom for stating piston rod (8) is provided with air chamber (10), and the top of the air chamber (10) is provided with sealing ring (9), the work Stopper rod (8) insertion is arranged in the air chamber (10), and the bottom of the air chamber (10) is provided with sealing container (13), and institute State sealing container (13) to be fixedly connected with air chamber (10), the side of the sealing container (13) is provided with adjusting nut (12), The inside of the air chamber (10) is provided with rubber membrane (18), and the rubber membrane (18) is fixedly connected with piston rod (8), the rubber The bottom of epithelium (18) is provided with piston (19), and the piston (19) is fixedly connected with rubber membrane (18), the piston (19) Side is provided with air admission hole (20), and the inside of the relay main body (2) is provided with copper coil (14).
2. a kind of high leakproofness air force relay according to claim 1, it is characterised in that:The push pedal (4) Top is provided with bourdon tube (3), and the bourdon tube (3) is closely welded with push pedal (4), and fixed with the relay main body (2) Connection.
3. a kind of high leakproofness air force relay according to claim 1, it is characterised in that:The copper coil (14) Bottom resistance strain gage (21) is installed, and the resistance strain gage (21) is electrically connected with copper coil (14).
4. a kind of high leakproofness air force relay according to claim 1, it is characterised in that:The copper coil (14) Bottom armature (15) is installed, copper coil (14) insertion is arranged in the armature (15), and with the relay master Body (2) is electrically connected with.
5. a kind of high leakproofness air force relay according to claim 1, it is characterised in that:The piston rod (8) Side rubber point circle (7) is installed, the piston rod (8) is embedded to be arranged in the rubber point circle (7).
6. a kind of high leakproofness air force relay according to claim 1, it is characterised in that:The adjusting nut (12) side is provided with live bearing (11), and the live bearing (11) insertion is arranged in the sealing container (13), And be fixedly connected with the adjusting nut (12).
CN201710603215.6A 2017-07-22 2017-07-22 A kind of high leakproofness air force relay Pending CN107293448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710603215.6A CN107293448A (en) 2017-07-22 2017-07-22 A kind of high leakproofness air force relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710603215.6A CN107293448A (en) 2017-07-22 2017-07-22 A kind of high leakproofness air force relay

Publications (1)

Publication Number Publication Date
CN107293448A true CN107293448A (en) 2017-10-24

Family

ID=60102090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710603215.6A Pending CN107293448A (en) 2017-07-22 2017-07-22 A kind of high leakproofness air force relay

Country Status (1)

Country Link
CN (1) CN107293448A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378541A (en) * 1979-11-30 1983-03-29 Matsushita Electric Works, Ltd. Time delay switch
CN102347166A (en) * 2011-09-20 2012-02-08 人民电器集团有限公司 Working method of silent power-saving type alternating current contactor
CN103489712A (en) * 2013-10-11 2014-01-01 昆山市润苏物资有限公司 Air type motor time relay
CN203754423U (en) * 2014-03-17 2014-08-06 昆明理工大学 Industrial continuous nitrogen dioxide preparation device
CN104282499A (en) * 2014-10-10 2015-01-14 成都锐奕信息技术有限公司 Improvement structure of air damping type time relay
CN104299849A (en) * 2014-10-10 2015-01-21 成都锐奕信息技术有限公司 Structure of outage delay type relay

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378541A (en) * 1979-11-30 1983-03-29 Matsushita Electric Works, Ltd. Time delay switch
CN102347166A (en) * 2011-09-20 2012-02-08 人民电器集团有限公司 Working method of silent power-saving type alternating current contactor
CN103489712A (en) * 2013-10-11 2014-01-01 昆山市润苏物资有限公司 Air type motor time relay
CN203754423U (en) * 2014-03-17 2014-08-06 昆明理工大学 Industrial continuous nitrogen dioxide preparation device
CN104282499A (en) * 2014-10-10 2015-01-14 成都锐奕信息技术有限公司 Improvement structure of air damping type time relay
CN104299849A (en) * 2014-10-10 2015-01-21 成都锐奕信息技术有限公司 Structure of outage delay type relay

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Application publication date: 20171024

RJ01 Rejection of invention patent application after publication