CN101740266A - Two-way sealed thermostat relay - Google Patents
Two-way sealed thermostat relay Download PDFInfo
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- CN101740266A CN101740266A CN200810068997A CN200810068997A CN101740266A CN 101740266 A CN101740266 A CN 101740266A CN 200810068997 A CN200810068997 A CN 200810068997A CN 200810068997 A CN200810068997 A CN 200810068997A CN 101740266 A CN101740266 A CN 101740266A
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Abstract
The invention relates to a two-way sealed thermostat relay which comprises a metal bottom plate, a leading-out end, a supporting spring, a movable contact piece, a movable contact, a static contact, a static contact piece, a guide sleeve, a push post, a push rod and a thermal bimetal piece which are installed in a metal casing. The relay is also provided with two independent current loops formed after the leading-out end, the movable contact piece, the movable contact, the static contact and the static contact piece are connected, and the metal casing and the metal bottom plate of the relay are fused, welded and sealed by laser. The invention can realize the control on the two independent passages under the same temperature control point and the same protection point and enhances the use reliability of the thermostat relay greatly. The requirements of high reliability and severe environment resistance of the modern industry control equipment to the thermostat relay can be better met.
Description
Technical field
The present invention relates to a kind of relay, belong to technical field of electronic components.
Background technology
Along with the develop rapidly of modern industrial technology, require to apply to the ability that industrial electrical equipment equipment carries out various adverse circumstances such as temperature is controlled and the thermostat relay of protection must be able to season oneself to cold, humidity, high temperature, greasy dirt on the one hand; The reliability of thermostat relay itself is had higher requirement again simultaneously.Existing closed type thermostat relay can't satisfy its reliability requirement owing to have only a path.
Summary of the invention
The purpose of this invention is to provide a kind of two-way sealed thermostat relay, its metal shell and metal base plate seal by laser fusion welding; It has two independently current circuit passages, can realize the control to two separate current return passages under identical temperature control point and protection point, has improved the reliability that thermostat relay uses greatly.
Technical scheme of the present invention is achieved in that
Described two-way sealed thermostat relay, comprise metal base plate, exit, supporting spring, moving contacting plate, moving contact, fixed contact, quiet contact chip, fairlead, promote post, catch bar, thrermostatic bimetal-plate, metal shell, exit passes metal base plate and fixedly connected, moving contact and moving contacting plate, fixed contact is connected with quiet contact chip, again with fairlead, promote post, thrermostatic bimetal-plate is installed in the metal shell, this relay is provided with two simultaneously by described exit, moving contacting plate, moving contact, fixed contact, quiet contact chip connects the separate current loop that the back forms, and promotes moving contacting plate 4 in the described two separate current loops respectively by being installed in the fairlead two catch bars corresponding with two current circuits.
Described fairlead comprises cylinder and bottom disc, has a U-lag from the bottom to cylinder, and the cylinder two ends are processed with pilot hole respectively, and this pilot hole is used to install described two catch bars.
By 3 bendings of 90 °, the L-shaped crank handle shape of front end structure with conserve space, realizes the miniaturization of this relay to the quiet contact chip of described thermostat relay in orthogonal two planes.
Described thermostat relay can be open type contact or closed type contact relay, and corresponding with it thrermostatic bimetal-plate 16 can be installed forward or backwards.
The invention has the beneficial effects as follows:
Two-way sealed thermostat relay provided by the invention has two separate current circuit paths, can realize disconnection or connection to two control circuits or signal synchronously, and the reliability height can adapt to the requirement of various adverse circumstances.Can be widely used in industrial control field and make temperature control and overtemperature protection usefulness, market prospects are wide, have bigger economic and social benefit.
Description of drawings
Fig. 1 is a kind of execution mode overall structure of two-way sealed thermostat relay of the present invention cutaway view;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the moving contacting plate structure chart of two-way sealed thermostat relay shown in Figure 1;
Fig. 5 is the quiet contact chip structure chart of two-way sealed thermostat relay shown in Figure 1;
Fig. 6 is the structure cutaway view of fairlead among the present invention shown in Figure 1;
Fig. 7 is Fig. 6 cutaway view of bowing.
1-metal base plate, 2-exit, 3-supporting spring, 4-moving contacting plate, 5-moving contact, 6-fixed contact among the figure, the quiet contact chip of 7-, 8-support, 9-positioning disk, 10-shelf, 11-rivet, 12-fairlead, 13-promote post, 14-power transmission shaft, 15-catch bar, 16-thrermostatic bimetal-plate, 17-metal shell, 18-glass insulator, the spherical convex closure of 19-, 20-semi-circular groove, 21-U shape groove, 22-pilot hole.
Embodiment
The present invention is further detailed explanation below in conjunction with embodiment shown in the accompanying drawing:
As Fig. 1, shown in Figure 2, relay of the present invention comprises metal base plate 1, exit 2, supporting spring 3, moving contacting plate 4, moving contact 5, fixed contact 6, quiet contact chip 7, fairlead 12, promote post 13, catch bar 15, thrermostatic bimetal-plate 16, wherein exit is 2 four, 5 two of moving contacting plate 4 and moving contacts, 7 two of fixed contact 6 and quiet contact chips, 15 two of catch bars, be installed in the metal shell 17, thereby can form two separate current return path, concrete mounting structure is: 2 fens two rows of four exits, pass the glass insulator 18 on the metal base plate 1, and the method that adopts glass sintering and metal base plate 1 link together and constitute base plate and make up, moving contact 5 and fixed contact 6 riveting load respectively are connected on moving contacting plate 4 and the quiet contact chip 7, moving contacting plate 4 is spot-welded together by supporting spring 3 and last row's exit 2, former and later two current paths independently of quiet contact chip 7 and row's exit 2 formation thermostat relays spot-welded together down, the fulcrum location of moving contacting plate stiff end has semi-circular groove 20, quiet contact chip in orthogonal two planes by 3 bendings of 90 °, constituted the structure of the L-shaped crank handle shape of front end, can solve the problem of inner space deficiency, fairlead 12 is made up of cylinder and bottom disc, the chassis disk is riveted together by two rivets 11 and positioning disk 9, fairlead 12 has a U-lag 21 from the bottom to cylinder, the two ends of cylinder are processed with two pilot holes 22 respectively, two catch bars 15 vertically are contained in respectively in the described pilot hole 22, and the one end contacts with spherical convex closure 19 on the moving contacting plate 4, the other end contacts with the power transmission shaft 14 of horizontal positioned, positioning disk 9 is welded on the support 8 by point by shelf 10, and support 8 links together with the method for metal base plate 1 by spot welding.Promote post 13 and vertically be contained in the positioning disk 9, an end withstands power transmission shaft 14, and the other end contacts with thrermostatic bimetal-plate 16.After the adjustment of finishing thermostat relay operating temperature point, metal shell 17 is tightly connected together by the method and the metal base plate 1 of laser fusion welding, forms the hermetically-sealed construction of thermostat relay.
After sensitive temperature changed when thermostat relay of the present invention was worked, thrermostatic bimetal-plate 16 protruding jumping upsets produce actuating force, act on two current circuits moving contacting plate 4 separately respectively by two catch bars 15 that promote post 13, power transmission shaft 14 and symmetric arrangement, moving contact 5 in the independent loop is separately disconnected with fixed contact 6 or connect.Thermostat relay of the present invention can be placed as thrermostatic bimetal-plate 16 two kinds of different directions, to make the two kinds of relays in open type contact and closed type contact.
The two-way contact system structure of the present invention because of adopting above-mentioned two rows, front and back to be symmetrically distributed, make thermostat relay have two separate current circuit paths, can realize disconnection or connection synchronously to two control circuits or signal, improved the reliability index requirement of thermostat relay, reduced the use cost of whole set equipment, the present invention simultaneously also has following characteristics:
Adopt protruding, the spill combining structure fairlead of band U-lag, be processed with a pilot hole respectively, solved the axially directed problem of the radially-directed and the catch bar of power transmission shaft at the two ends of cylinder;
Fulcrum location open semicircle shape groove at the moving contacting plate stiff end makes moving contacting plate form a soft joint at this place, can effectively improve the temperature-controlled precision of thermostat relay, guarantees the consistency of temperature control point, prolongs the thermostat relay working life greatly;
Quiet contact chip by 3 bendings of 90 °, has constituted the structure of the L-shaped crank handle shape of front end in orthogonal two planes, solved the problem of inner space deficiency, has realized the miniaturization of two-way sealed thermostat relay;
Metal base plate has solved sealing problem between Insulation Problems between thermostat relay metal base plate-exit and metal shell-exit, the metal shell by methods such as glass sintering, laser fusion weldings respectively, makes thermostat relay can adapt to the requirement of various adverse circumstances.
Claims (6)
1. two-way sealed thermostat relay, comprise metal base plate (1), exit (2), supporting spring (3), moving contacting plate (4), moving contact (5), fixed contact (6), quiet contact chip (7), fairlead (12), promote post (13), catch bar (15), thrermostatic bimetal-plate (16), exit (2) passes metal base plate (1) and fixedly connected, moving contact and moving contacting plate, fixed contact is connected with quiet contact chip, again with fairlead, promote post (13), thrermostatic bimetal-plate (16) is installed in the metal shell (17), it is characterized in that: this relay is provided with two simultaneously by described exit (2), moving contacting plate (4), moving contact (5), fixed contact (6), quiet contact chip (7) connects the separate current loop that the back forms, and promotes moving contacting plate (4) in the described two separate current loops respectively by being installed in the fairlead (12) two catch bars (15) corresponding with two current circuits.
2. according to the described thermostat relay of claim 1, it is characterized in that: described fairlead (12) comprises cylinder and bottom disc, have a U-lag (21) from the bottom to cylinder, the cylinder two ends are processed with pilot hole (22) respectively, and this pilot hole is used to install described two catch bars (15).
3. according to the described thermostat relay of claim 1, it is characterized in that: described quiet contact chip (7) in orthogonal two planes by 3 bendings of 90 °, the L-shaped crank handle shape of front end structure.
4. according to the described thermostat relay of claim 1, it is characterized in that: the fulcrum location of moving contacting plate (4) stiff end has semi-circular groove (20).
5. according to the described thermostat relay of claim 1, it is characterized in that: described thermostat relay can be open type contact or closed type contact relay, and corresponding with it thrermostatic bimetal-plate (16) can be installed forward or backwards.
6. according to the arbitrary described thermostat relay of claim 1 to 5, it is characterized in that: its metal shell (17) seals by laser fusion welding with metal base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810068997A CN101740266A (en) | 2008-11-14 | 2008-11-14 | Two-way sealed thermostat relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810068997A CN101740266A (en) | 2008-11-14 | 2008-11-14 | Two-way sealed thermostat relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101740266A true CN101740266A (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810068997A Pending CN101740266A (en) | 2008-11-14 | 2008-11-14 | Two-way sealed thermostat relay |
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| Country | Link |
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| CN (1) | CN101740266A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134579A (en) * | 2014-07-28 | 2014-11-05 | 常州常胜精密电子有限公司 | Multi-switch temperature protector |
| CN104733225A (en) * | 2015-04-01 | 2015-06-24 | 苏州华旃航天电器有限公司 | Heat protector for automobile air condition compressor |
| CN108231478A (en) * | 2017-12-29 | 2018-06-29 | 中国电子科技集团公司第四十研究所 | A kind of resistance to environment sealing microminiature thermostat relay |
| CN112927984A (en) * | 2019-12-05 | 2021-06-08 | 泰科电子(深圳)有限公司 | Electrical product and method of manufacturing an electrical product |
-
2008
- 2008-11-14 CN CN200810068997A patent/CN101740266A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134579A (en) * | 2014-07-28 | 2014-11-05 | 常州常胜精密电子有限公司 | Multi-switch temperature protector |
| CN104733225A (en) * | 2015-04-01 | 2015-06-24 | 苏州华旃航天电器有限公司 | Heat protector for automobile air condition compressor |
| CN108231478A (en) * | 2017-12-29 | 2018-06-29 | 中国电子科技集团公司第四十研究所 | A kind of resistance to environment sealing microminiature thermostat relay |
| CN112927984A (en) * | 2019-12-05 | 2021-06-08 | 泰科电子(深圳)有限公司 | Electrical product and method of manufacturing an electrical product |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100616 |