CN203553040U - Current temperature dual-protector - Google Patents
Current temperature dual-protector Download PDFInfo
- Publication number
- CN203553040U CN203553040U CN201320643895.1U CN201320643895U CN203553040U CN 203553040 U CN203553040 U CN 203553040U CN 201320643895 U CN201320643895 U CN 201320643895U CN 203553040 U CN203553040 U CN 203553040U
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- CN
- China
- Prior art keywords
- bimetallic element
- base plate
- static contact
- conductive solder
- solder piece
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- 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.)
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Abstract
The utility model relates to a current temperature dual-protector comprising a housing. A bottom plate, a bimetallic element, and an insulation pedestal are disposed in the housing. The insulation pedestal provided with a static contact is disposed on the bottom plate. One end of the bottom plate is provided with a bimetallic element conductive welding block, and a tail part is a temperature calibration segment. The other end of the bimetallic element is provided with a dynamic contact, which is contacted with one end of the static contact. The other end of the static contact is connected with a static contact lead. The static contact lead and the bottom plate are connected with a bottom lead by bottom plate connecting electrodes, and the bottom plate lead is extended out of the housing. The bimetallic element conductive welding block is integratedly provided with a welding segment. One end of the bimetallic element is disposed between the bottom plate and the welding segment, and the welding segment of the bimetallic element conductive welding block is in the shape of a trapezoid. The width of the connecting end of the welding segment and the bottom plate is greater than the width of the connecting end of the welding segment and the temperature calibration segment. The bimetallic element is provided with a circular constant temperature zone protruding upwardly. The current temperature dual-protector has advantages of high reliability and ability of enhancing temperature stability.
Description
Technical field
The utility model relates to a kind of protector, is specifically related to a kind of current temperature dual protector.
Background technology
Existing thermal protector is commonly called as temperature detect switch (TDS), is generally in the overcurrent of various motors, power consumption equipment with when overheated, and cutoff circuit plays a protective role.Due to advancing by leaps and bounds of technology in recent years; particularly in microelectronics correlative technology field, make rapid progress especially; so that electronic product has goed deep into each family and all trades and professions; become the indispensable part of the modern life; therefore; the safety of electronic product is also more and more taken seriously, and we must be detected and implement effective protection to the environment of operation temperature of used product and current loading, to guarantee normally, the safely and more effective operation of electronic product.
In existing protector industry, generally all only there is temperature control effect, and can not detect voluntarily control to electric current in circuit, only have when the ambient temperature of equipment reach protector be definite value time, just can open circuit; As occurred when abnormal in running when equipment; thermal protector ambient temperature does not reach the predetermined temperature range value of product own; and cannot, voluntarily by play accurately and rapidly effective protection with current system, there is the potential safety hazard of larger use in current rush in circuit.
In existing protector; because one end of bimetallic element is located between base plate and hardware conductive solder piece; and hardware conductive solder piece is T-shaped (as shown in Figure 4); make the contact area of bimetallic element and base plate and hardware conductive solder piece less; be that stitching surface is also less; once cause one end and base plate and the hardware conductive solder piece generation rosin joint of bimetallic element; product was easily lost efficacy; reliability is low; in addition; if when product detection load is overheated, the poor stability of temperature.
Summary of the invention
The purpose of this utility model is: one is provided, and not only reliability is high, and can strengthen the current temperature dual protector of temperature stability, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model: a kind of current temperature dual protector, comprise shell, in described shell, base plate is housed, bimetallic element and insulator foot, described insulator foot is contained on base plate, and static contact is also housed on insulator foot, one end of base plate has and its one or the bimetallic element conductive solder piece that is fixedly connected with each other, and the afterbody of bimetallic element conductive solder piece is temperature correction section, the other end of base plate has base plate connecting electrode, base plate connecting electrode is connected with base plate wire, one end of bimetallic element is located between base plate and bimetallic element conductive solder piece, the other end of bimetallic element is provided with moving contact, and moving contact contacts with one end of described static contact, the other end of static contact is connected with static contact wire, described static contact wire and base plate wire stretch out outside shell, its innovative point is:
A, described bimetallic element conductive solder piece have and its welding section of one each other, one end of described bimetallic element is located between base plate and the welding section of bimetallic element conductive solder piece, the welding section of described bimetallic element conductive solder piece is trapezoidal, and welding section and width base plate link, be greater than welding section and width temperature correction section link;
On b, described bimetallic element, there is the circular constant temperature district raising up.
In technique scheme, on described base plate, towards welding section one side, there is bimetallic element welding boss, one end of described bimetallic element is located on bimetallic element welding boss, and with the block welding of hardware conductive solder.
In technique scheme, there is epoxy sealing glue in the opening part of described shell and the outside near insulator foot.
In technique scheme, the medium position of described base plate has the reinforcement raising up.
The good effect that the utility model has is: because described bimetallic element conductive solder piece has and its welding section of one each other, one end of described bimetallic element is located between base plate and the welding section of bimetallic element conductive solder piece, the welding section of described bimetallic element conductive solder piece is trapezoidal, and welding section and width base plate link, be greater than welding section and width temperature correction section link; Therefore, increased the contact area of bimetallic element and base plate and bimetallic element conductive solder piece, namely increased the area of three's stitching surface, the welding section of bimetallic element and base plate and bimetallic element conductive solder piece are difficult for occurring the phenomenon of rosin joint like this, make the utility model reliability high, are difficult for losing efficacy, be applicable to batch production, owing to thering is the circular constant temperature district raising up on described bimetallic element, therefore, can strengthen the stability of temperature again.
Accompanying drawing explanation
Fig. 1 is a kind of concrete structural representation of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of bimetallic element of the present utility model;
Fig. 4 is the structural representation of base plate and bimetallic element conductive solder piece in prior art, wherein, the 15th, hardware conductive solder piece, the 16th, base plate.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited to this.
As Fig. 1, 2, shown in 3, a kind of current temperature dual protector, comprise shell 1, in described shell 1, base plate 2 is housed, bimetallic element 3 and insulator foot 6, described insulator foot 6 is contained on base plate 2, and static contact 5 is also housed on insulator foot 6, one end of base plate 2 has and its one or the bimetallic element conductive solder piece 10 that is fixedly connected with each other, and the afterbody of bimetallic element conductive solder piece 10 is temperature correction section 10-2, the other end of base plate 2 has base plate connecting electrode 2-1, base plate connecting electrode 2-1 is connected with base plate wire 9, one end of bimetallic element 3 is located between base plate 2 and bimetallic element conductive solder piece 10, the other end of bimetallic element 3 is provided with moving contact 4, and moving contact 4 contacts with one end of described static contact 5, the other end of static contact 5 is connected with static contact wire 8, described static contact wire 8 and base plate wire 9 stretch out outside shell 1, its innovative point is:
Described bimetallic element conductive solder piece 10 has and its welding section 10-1 of one each other, one end of described bimetallic element 3 is located between base plate 2 and the welding section 10-1 of bimetallic element conductive solder piece 10, the welding section 10-1 of described bimetallic element conductive solder piece 10 is trapezoidal, and welding section 10-1 and width base plate 2 links, be greater than welding section 10-1 and width temperature correction section 10-2 link; On described bimetallic element 3, there is the circular constant temperature district 13 raising up.
Circular constant temperature of the present utility model district 13 strengthens temperature stability, and temperature correction section 10-2 plays the effect that regulates temperature; And circular constant temperature district 13 is in stable temperature, need temperature correction section 10-2 as the strong point.
As shown in Figure 1, 2, in order to guarantee the fastness of bimetallic element good welds, and the electric current of increase weld, guarantee the good stability of product, on described base plate 2, towards welding section 10-1 mono-side, there is bimetallic element welding boss 11, one end of described bimetallic element 3 is located on bimetallic element welding boss 11, and welds with hardware conductive solder piece 10.
As shown in Figure 1, 2, in order to improve insulation effect of the present utility model, there is epoxy sealing glue 7 in the opening part of described shell 1 and the outside near insulator foot 6.
As shown in Figure 1, 2, 3, after for fear of electrical equipment, in long-term use procedure, perseveration resets, make metal material flexural deformation, and change the wild effect that the utility model initial temperature occurs, the medium position of described base plate 2 has the reinforcement 12 raising up.
When the utility model is used, static contact wire 8 and base plate wire 9 are connected in the loop of various motors and electrical equipment, when equipment operation irregularity or current surge, bimetallic element 3 of the present utility model is under the heating effect of current effect of large electric current, can sudden change upset be out of shape, thereby make moving contact 4 and static contact 5 contact separations, and cutoff circuit; When equipment in the course of the work, if when surrounding ambient temperature has reached the temperature value of the utility model setting, again because bimetallic element 3 is heat-sensitive elements, bimetallic element 3 upset springs, make moving contact 4 and static contact 5 contact separations, thereby open circuit, plays the effect of overcurrent and overtemperature protection thus to power consumption equipment; When the electric current of power consumption equipment recovers normal or surrounding ambient temperature and drops to uniform temperature; bimetallic element 3 of the present utility model is restored to free state; moving contact 4 contacts again with static contact 5, and circuit recovers to connect, thereby power consumption equipment can recover normal work.
Claims (4)
1. a current temperature dual protector, comprise shell (1), base plate (2) is housed in described shell (1), bimetallic element (3) and insulator foot (6), described insulator foot (6) is contained on base plate (2), and static contact (5) is also housed on insulator foot (6), one end of base plate (2) has and its one or the bimetallic element conductive solder piece (10) that is fixedly connected with each other, and the afterbody of bimetallic element conductive solder piece (10) is temperature correction section (10-2), the other end of base plate (2) has base plate connecting electrode (2-1), base plate connecting electrode (2-1) is connected with base plate wire (9), one end of bimetallic element (3) is located between base plate (2) and bimetallic element conductive solder piece (10), the other end of bimetallic element (3) is provided with moving contact (4), and moving contact (4) contacts with one end of described static contact (5), the other end of static contact (5) is connected with static contact wire (8), described static contact wire (8) and base plate wire (9) stretch out outside shell (1), it is characterized in that:
A, described bimetallic element conductive solder piece (10) have and its welding section of one (10-1) each other, one end of described bimetallic element (3) is located between base plate (2) and the welding section (10-1) of bimetallic element conductive solder piece (10), the welding section (10-1) of described bimetallic element conductive solder piece (10) is trapezoidal, and welding section (10-1) and width base plate (2) link, be greater than welding section (10-1) and width temperature correction section (10-2) link;
On b, described bimetallic element (3), there is the circular constant temperature district (13) raising up.
2. current temperature dual protector according to claim 1; it is characterized in that: on described base plate (2), towards welding section (10-1) side, there is bimetallic element welding boss (11); it is upper that one end of described bimetallic element (3) is located at bimetallic element welding boss (11), and weld with hardware conductive solder piece (10).
3. current temperature dual protector according to claim 1, is characterized in that: there is epoxy sealing glue (7) in the opening part of described shell (1) and the outside near insulator foot (6).
4. current temperature dual protector according to claim 1, is characterized in that: the medium position of described base plate (2) has the reinforcement (12) raising up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643895.1U CN203553040U (en) | 2013-10-18 | 2013-10-18 | Current temperature dual-protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643895.1U CN203553040U (en) | 2013-10-18 | 2013-10-18 | Current temperature dual-protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553040U true CN203553040U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320643895.1U Expired - Fee Related CN203553040U (en) | 2013-10-18 | 2013-10-18 | Current temperature dual-protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321009A (en) * | 2018-01-30 | 2018-07-24 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
| CN108321009B (en) * | 2018-01-30 | 2024-05-17 | 苏州聚生精密冲件有限公司 | Riveting contact base of temperature type thermal protector |
-
2013
- 2013-10-18 CN CN201320643895.1U patent/CN203553040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321009A (en) * | 2018-01-30 | 2018-07-24 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
| CN108321009B (en) * | 2018-01-30 | 2024-05-17 | 苏州聚生精密冲件有限公司 | Riveting contact base of temperature type thermal protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161018 Address after: Daitou town of Liyang City Ferry Street 213300 Jiangsu city of Changzhou province 8-2 No. 7 Patentee after: Jiangsu Changhong imperial electrical Limited by Share Ltd Address before: 213127, Changzhou, Jiangsu Province, north of the town of new North Wei Village Garden (North) 5 Patentee before: Changzhou Changhong Tongli Electrical Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20181018 |