CN204167215U - Based on increasing the relay construction controlling sensitivity - Google Patents
Based on increasing the relay construction controlling sensitivity Download PDFInfo
- Publication number
- CN204167215U CN204167215U CN201420581918.5U CN201420581918U CN204167215U CN 204167215 U CN204167215 U CN 204167215U CN 201420581918 U CN201420581918 U CN 201420581918U CN 204167215 U CN204167215 U CN 204167215U
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- Prior art keywords
- bimetal leaf
- push rod
- guide plate
- fixed mount
- spring
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Abstract
The utility model discloses a kind of based on increasing the relay construction controlling sensitivity, bimetal leaf is provided with fixed mount, bimetal leaf is provided with bracing frame, bracing frame is connected with bimetal leaf, guide plate is arranged in chute, guide plate indent forms groove, bimetal leaf is arranged in a groove, resistance wire is provided with between bimetal leaf, resistance wire is connected with bimetal leaf, guide plate is connected with push rod, push rod is connected with compensation bimetal leaf, compensate bimetal leaf and be connected with push rod, push rod is connected with connecting rod, push rod is connected with sheet spring, sheet spring is connected with moving contact, bow spring and manual reset button, compensate between bimetal leaf and moving contact and be provided with reset adjustment screw.This relay construction prevents the shock of sheet metal and fixed mount by arranging buffer spring, the structure of relay is prevented to be damaged, the termination of sheet metal is fixed simultaneously, it is more accurate when sheet deformation is moved, be convenient to the control to sensitivity, the work of relay can be stablized.
Description
Technical field
The utility model relates to a kind of relay construction, especially relates to a kind of based on increasing the relay construction controlling sensitivity.
Background technology
Relay, also claiming electric post, is a kind of electronic control device, and it has control system (also known as input circuit) and by control system (also known as output loop), usually be applied in automatic control circuit, it is actually the one " automatic switch " going to control larger current with less electric current.Therefore play the effects such as automatic adjustment, safeguard protection, change-over circuit in circuit.Relay coil represents with a long block symbol in circuit, if relay has two coils, and the rectangular frame that just two, picture is arranged side by side.In rectangular frame or by rectangular frame, put on the letter symbol " J " of relay simultaneously.There are two kinds of method for expressing the contact of relay: one is that they are directly drawn in rectangular frame side, and this representation is comparatively directly perceived.Relay in computer operation as a kind of very important control element, after computer long-term work, easy generation fever phenomenon, if can not process fever phenomenon in time, just easily cause the damage of computer components, the existing relay processing reaction time is slow, can not cut off the heat condition of computer-internal and process in time, and easily cause when element moves to clash into and loosen, the structure of relay is damaged.
Utility model content
It is slow that the purpose of this utility model is to overcome the above-mentioned existing relay processing reaction time, can not in time the heat condition of computer-internal be cut off and be processed, and easily cause when element moves to clash into and loosen, make the problem that the structure of relay is damaged, devise a kind of based on increasing the relay construction controlling sensitivity, this relay construction prevents the shock of sheet metal and fixed mount by arranging buffer spring, the structure of relay is prevented to be damaged, the termination of sheet metal is fixed simultaneously, it is more accurate when sheet deformation is moved, be convenient to the control to sensitivity, the work of relay can be stablized, solve the existing relay processing reaction time slow, can not in time the heat condition of computer-internal be cut off and be processed, and easily cause when element moves to clash into and loosen, make the problem that the structure of relay is damaged.
The purpose of this utility model is achieved through the following technical solutions: based on increasing the relay construction controlling sensitivity, comprise some pieces of bimetal leafs arranged in parallel, the bottom of described bimetal leaf is provided with fixed mount, the top outer wall of bimetal leaf is provided with bracing frame, bracing frame is L-type structure, bracing frame one end is connected with bimetal leaf, the other end is connected with limiting plate, limiting plate is arranged on above bimetal leaf, guide plate is provided with between fixed mount and bimetal leaf, fixed mount forms chute near the end face indent of guide plate, and chute is communicated with the two ends of fixed mount, the bottom of guide plate is arranged in chute, and guide plate can move horizontally along fixed mount, the top indent of guide plate forms several grooves, the bottom correspondence of bimetal leaf is arranged in a groove, resistance wire is provided with between adjacent bimetal leaf, resistance wire one end connects with the center lower end of corresponding bimetal leaf respectively, one end of guide plate is connected with push rod, push rod is connected with compensation bimetal leaf away from one end of guide plate, compensate between bimetal leaf and push rod and be provided with connecting plate, connecting plate is connected with compensation bimetal leaf and push rod simultaneously, buffer spring is provided with between connecting plate and fixed mount, buffer spring is connected with connecting plate and fixed mount simultaneously, buffer spring is arranged on below push rod, compensate bimetal leaf and be connected with push rod, push rod one end is connected with connecting rod, connecting rod is connected with adjustment cam and Compress Spring, and connecting rod is arranged between adjustment cam and Compress Spring, adjustment cam is provided with adjustment runner, and adjustment runner is concentric with adjustment cam, push rod is connected with sheet spring away from one end of connecting rod, sheet spring is connected with moving contact, bow spring and manual reset button, and bow spring is connected with moving contact, fixed contact is provided with between moving contact and bimetal leaf, and fixed contact is arranged on above guide plate, compensate between bimetal leaf and moving contact and be provided with reset adjustment screw, and the termination of reset adjustment screw is near compensating bimetal leaf, reset adjustment screw is arranged on the top of push rod.
Described push rod is L-type structure, compensates bimetal leaf and is connected with the bending point of L-type structure; Described push rod is provided with rotating shaft near one end of connecting rod, and rotating shaft is simultaneously through push rod and connecting rod, and push rod can around axis of rotation.
In sum, the beneficial effects of the utility model are: this relay construction prevents the shock of sheet metal and fixed mount by arranging buffer spring, the structure of relay is prevented to be damaged, the termination of sheet metal is fixed simultaneously, it is more accurate when sheet deformation is moved, be convenient to the control to sensitivity, the work of relay can be stablized, solve the existing relay processing reaction time slow, can not in time the heat condition of computer-internal be cut off and be processed, and easily cause when element moves to clash into and loosen, make the problem that the structure of relay is damaged.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1-Compress Spring; 2-adjustment cam; 3-push rod; 4-manual reset button; 5-bow spring; 6-bimetal leaf; 7-resistance wire; 8-guide plate; 9-fixed mount; 10-fixed contact; 11-moving contact; 12-push rod; 13-compensate bimetal leaf; 14-reset adjustment screw; 15-rotating shaft; 16-sheet spring; 17-connecting rod; 18-chute; 19-limiting plate; 20-bracing frame; 21-adjustment runner; 22-connecting plate; 23-buffer spring.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, based on increasing the relay construction controlling sensitivity, comprise some pieces of bimetal leafs 6 arranged in parallel, the bottom of described bimetal leaf 6 is provided with fixed mount 9, the top outer wall of bimetal leaf 6 is provided with bracing frame 20, bracing frame 20 is in L-type structure, bracing frame 20 one end is connected with bimetal leaf 6, the other end is connected with limiting plate 19, limiting plate 19 is arranged on above bimetal leaf 6, guide plate 8 is provided with between fixed mount 9 and bimetal leaf 6, fixed mount 9 forms chute 18 near the end face indent of guide plate 8, and chute 18 is communicated with the two ends of fixed mount 9, the bottom of guide plate 8 is arranged in chute 18, and guide plate 8 can move horizontally along fixed mount 9, the top indent of guide plate 8 forms several grooves, the bottom correspondence of bimetal leaf 6 is arranged in a groove, resistance wire 7 is provided with between adjacent bimetal leaf, resistance wire 7 one end connects with the center lower end of corresponding bimetal leaf 6 respectively, one end of guide plate 8 is connected with push rod 12, push rod 12 is connected with compensation bimetal leaf 13 away from one end of guide plate 8, compensate between bimetal leaf 13 and push rod 12 and be provided with connecting plate 22, connecting plate 22 is connected with compensation bimetal leaf 13 and push rod 12 simultaneously, buffer spring 23 is provided with between connecting plate 22 and fixed mount 9, buffer spring 23 is connected with connecting plate 22 and fixed mount 9 simultaneously, buffer spring 23 is arranged on below push rod 12, compensate bimetal leaf 13 and be connected with push rod 3, push rod 3 one end is connected with connecting rod 17, connecting rod 17 is connected with adjustment cam 2 and Compress Spring 1, and connecting rod 17 is arranged between adjustment cam 2 and Compress Spring 1, adjustment cam 2 is provided with adjustment runner 21, and adjustment runner 21 is concentric with adjustment cam 2, push rod 3 is connected with sheet spring 16 away from one end of connecting rod 17, sheet spring 16 is connected with moving contact 11, bow spring 5 and manual reset button 4, and bow spring 5 is connected with moving contact 11, fixed contact 10 is provided with between moving contact 11 and bimetal leaf 6, and fixed contact 10 is arranged on above guide plate 8, compensate between bimetal leaf 13 and moving contact 11 and be provided with reset adjustment screw 14, and the termination of reset adjustment screw 14 is near compensating bimetal leaf 13, reset adjustment screw 14 is arranged on the top of push rod 12, described push rod 3, in L-type structure, compensates bimetal leaf 13 and is connected with the bending point of L-type structure, described push rod 3 is provided with rotating shaft 15 near one end of connecting rod 17, and rotating shaft 15 is simultaneously through push rod 3 and connecting rod 17, and push rod 17 can rotate around rotating shaft 15.In the technical program, preferential employing three pieces of bimetal leafs 6, between adjacent bimetal leaf 6, resistance wire 7 is set, push rod 12 and fixed contact 10 are all near leftmost bimetal leaf 6, in order to ensure that bimetal leaf 6 entirety when temperature distortion can not move, specially be provided with limiting plate 19 and bimetal leaf 6 is fixed by bracing frame 20, its position is fixed, ensure that stability when relay works, during use, the three-phase thermal element of thermal relay is serially connected in the three-phase main circuit of computer respectively, break contact is serially connected in the contactor coil loop of control circuit.When computer transships, the electric current flowing through resistance wire 7 exceedes the setting current of thermal relay, resistance wire 7 generates heat, bimetal leaf 6 bends to the right, promote guide plate 8 to move right in chute 18, push rod 12 is made to pull compensation bimetal leaf 13 to move, in this process, when push rod 12 pulls too fast, easily cause the shock of connecting plate 22 and fixed mount 9, in order to prevent this situation, between connecting plate 22 and fixed mount 9, be provided with buffer spring 23 protect, push rod 3 15 rotations are around the shaft promoted by compensating bimetal leaf 13, thus promote contact system action, moving contact separates with dynamic circuit breaker fixed contact, make contactor coil power-off, contacts of contactor disconnects, power supply excision is shielded.After power supply excision, bimetal leaf 6 cools gradually and sets back, so moving contact is when ineffective power, automatically resets by the elasticity of bending spring 5.This thermal relay also can adopt hand-reset, again puts into operation with equipment belt fault before preventing failture evacuation.Reset adjustment screw 14 is outwards adjusted to certain position, and the rotation making moving contact bend spring exceedes certain angle and loses least, even if now main bimetal leaf cooling is restored, moving contact can not automatically reset, and must adopt hand-reset.Press reset button, moving contact bow spring returns to has flexible angle, and promotion moving contact and fixed contact recover closed.When variation of ambient temperature, can there is null offset in bimetal leaf 6, and namely thermal element does not produce distortion by bimetal leaf main during electric current, makes the performance of thermal relay influenced by ambient temperature, causes the action of thermal relay to produce error.For compensating this impact, be provided with temperature compensating bimetal sheet 13, its material is identical with bimetal leaf 6.When variation of ambient temperature, temperature compensating bimetal sheet and main bimetal leaf produce the additional deformation on same direction, thus make the operating characteristics of thermal relay in certain temperature range substantially not by the impact of ambient temperature.This relay construction prevents the shock of sheet metal and fixed mount by arranging buffer spring, the structure of relay is prevented to be damaged, the termination of sheet metal is fixed simultaneously, it is more accurate when sheet deformation is moved, be convenient to the control to sensitivity, the work of relay can be stablized, solve the existing relay processing reaction time slow, can not in time the heat condition of computer-internal be cut off and be processed, and easily cause when element moves to clash into and loosen, make the problem that the structure of relay is damaged.
Bimetal leaf is composited by the sheet metal that two kinds of thermal coefficient of expansions are different, and the material of sheet metal mostly is iron-nickel-chromium and iron-nickel alloy.Resistance wire is generally made with the material such as constantan or nichrome.Resetting device has manually and automatic two kinds of forms, according to requirements freely can adjust selection by reset adjustment screw.The general automatically reset time is not more than 5min, and the hand-reset time is not more than 2min.Temperature compensating element is also bimetal leaf, and the direction of its heated bending is consistent with bimetal leaf, and it can ensure the operating characteristics of thermal relay in the ambient temperature range of 20 DEG C ~ 10 DEG C substantially not by the impact of ambient temperature.The size of thermal relay electric current regulates by rotatory current knob of adjusting, and namely realizes the adjustment of size of current by rotating the adjustment runner 21 concentric with adjustment cam 2.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; every according to technology of the present utility model, method in fact to any simple modification, equivalent variations that above embodiment is done, all fall within protection range of the present utility model.
Claims (2)
1. based on increasing the relay construction controlling sensitivity, it is characterized in that: comprise some pieces of bimetal leafs (6) arranged in parallel, the bottom of described bimetal leaf (6) is provided with fixed mount (9), the top outer wall of bimetal leaf (6) is provided with bracing frame (20), bracing frame (20) is in L-type structure, bracing frame (20) one end is connected with bimetal leaf (6), the other end is connected with limiting plate (19), limiting plate (19) is arranged on bimetal leaf (6) top, guide plate (8) is provided with between fixed mount (9) and bimetal leaf (6), fixed mount (9) forms chute (18) near the end face indent of guide plate (8), and chute (18) is communicated with the two ends of fixed mount (9), the bottom of guide plate (8) is arranged in chute (18), and guide plate (8) can move horizontally along fixed mount (9), the top indent of guide plate (8) forms several grooves, the bottom correspondence of bimetal leaf (6) is arranged in a groove, resistance wire (7) is provided with between adjacent bimetal leaf, resistance wire (7) one end connects with the center lower end of corresponding bimetal leaf (6) respectively, one end of guide plate (8) is connected with push rod (12), push rod (12) is connected with compensation bimetal leaf (13) away from one end of guide plate (8), compensate between bimetal leaf (13) and push rod (12) and be provided with connecting plate (22), connecting plate (22) is connected with compensation bimetal leaf (13) and push rod (12) simultaneously, buffer spring (23) is provided with between connecting plate (22) and fixed mount (9), buffer spring (23) is connected with connecting plate (22) and fixed mount (9) simultaneously, buffer spring (23) is arranged on push rod (12) below, compensate bimetal leaf (13) and be connected with push rod (3), push rod (3) one end is connected with connecting rod (17), connecting rod (17) is connected with adjustment cam (2) and Compress Spring (1), and connecting rod (17) is arranged between adjustment cam (2) and Compress Spring (1), adjustment cam (2) is provided with adjustment runner (21), and adjustment runner (21) is concentric with adjustment cam (2), push rod (3) is connected with sheet spring (16) away from one end of connecting rod (17), sheet spring (16) is connected with moving contact (11), bow spring (5) and manual reset button (4), and bow spring (5) is connected with moving contact (11), fixed contact (10) is provided with between moving contact (11) and bimetal leaf (6), and fixed contact (10) is arranged on guide plate (8) top, compensate between bimetal leaf (13) and moving contact (11) and be provided with reset adjustment screw (14), and the termination of reset adjustment screw (14) is near compensating bimetal leaf (13), reset adjustment screw (14) is arranged on the top of push rod (12).
2. according to claim 1 based on increasing the relay construction controlling sensitivity, it is characterized in that: described push rod (3), in L-type structure, compensates bimetal leaf (13) and is connected with the bending point of L-type structure; Described push rod (3) is provided with rotating shaft (15) near one end of connecting rod (17), and rotating shaft (15) is simultaneously through push rod (3) and connecting rod (17), and push rod (17) can rotate around rotating shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581918.5U CN204167215U (en) | 2014-10-10 | 2014-10-10 | Based on increasing the relay construction controlling sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581918.5U CN204167215U (en) | 2014-10-10 | 2014-10-10 | Based on increasing the relay construction controlling sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167215U true CN204167215U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420581918.5U Expired - Fee Related CN204167215U (en) | 2014-10-10 | 2014-10-10 | Based on increasing the relay construction controlling sensitivity |
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| Country | Link |
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| CN (1) | CN204167215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282504A (en) * | 2014-10-10 | 2015-01-14 | 成都锐奕信息技术有限公司 | Relay with control sensitivity improving function |
| CN104916507A (en) * | 2015-05-20 | 2015-09-16 | 浙江天正电气股份有限公司 | Bimetallic compensation strip fixing structure for thermal relay |
-
2014
- 2014-10-10 CN CN201420581918.5U patent/CN204167215U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282504A (en) * | 2014-10-10 | 2015-01-14 | 成都锐奕信息技术有限公司 | Relay with control sensitivity improving function |
| CN104916507A (en) * | 2015-05-20 | 2015-09-16 | 浙江天正电气股份有限公司 | Bimetallic compensation strip fixing structure for thermal relay |
| CN104916507B (en) * | 2015-05-20 | 2017-01-25 | 浙江天正电气股份有限公司 | Bimetallic compensation strip fixing structure for thermal relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |