CN207425719U - Bimetal reed structure of temperature control device - Google Patents
Bimetal reed structure of temperature control device Download PDFInfo
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- CN207425719U CN207425719U CN201721312261.2U CN201721312261U CN207425719U CN 207425719 U CN207425719 U CN 207425719U CN 201721312261 U CN201721312261 U CN 201721312261U CN 207425719 U CN207425719 U CN 207425719U
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- Prior art keywords
- bimetal spring
- conduct piece
- control device
- temperature control
- bimetal
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- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract 9
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000001012 protector Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a temperature control device bimetal reed structure, which comprises a first conductive piece, a second conductive piece, an insulating piece and a bimetal reed, wherein the first conductive piece is fixedly connected with the second conductive piece through the insulating piece; one end of the bimetal reed is fixedly connected to the first conductive piece, the other end of the bimetal reed is provided with a movable contact, and a fixed contact is arranged on the second conductive piece opposite to the movable contact; at normal temperature, the movable contact is electrically connected with the fixed contact; when the rated action temperature is reached, the movable contact and the fixed contact are electrically disconnected; the bimetal reed is provided with more than one opening. The resistance value of the bimetal reed is influenced by changing the area of the cross section in a mode of arranging one or more openings on the bimetal reed, so that the rated action temperature is changed, the wide application of the temperature switch on small-sized electronic equipment is realized, the effect of integrating over-current protection on the temperature switch is also realized, and the use safety performance of the electric appliance is enhanced.
Description
Technical field
The utility model is related to temperature control device technical field, more particularly to a kind of temperature control device bimetal spring structure.
Background technology
Temperature switch is a kind of temperature control device by the use of bimetal leaf as temperature-sensing element, when electric appliance works normally, bimetallic
Piece is in free state, and contact is in closure or off-state, and when temperature is increased to operating temperature value, bimetallic element is heated
It generates internal stress and acts rapidly, open or close contact, circuit is switched off or on, so as to play heat protective effect.Bimetallic
Resistance also had significant difference by resistivity height, the size of shape and thickness effect, fuel factor, the action to temperature detect switch (TDS)
The effect of time and action current is also quite apparent.
Existing temperature switch in the market, bimetal spring are to determine specified action temperature by modes such as thickness, areas
Degree, causes temperature switch entirety size to be restricted, temperature switch is dfficult to apply on miniaturized electronics.
In order to realize application of the temperature switch on miniaturized electronics, those skilled in the art has done a large amount of relevant
Research work obtains preferable achievement.Such as Chinese patent discloses " thin-type temperature-sensing action element " (notification number：
CN101770896A), good temperature switch effect has been accomplished, suitable on miniaturized electronics, but used due to it
Specific production equipment and material involve great expense compared with conventional temperature switch, are unfavorable for promoting the use of in industrial production.
Temperature switch should be worked long hours the heat of generation due to that can only sense machine simultaneously, so in the short time
Increased overcurrent danger can not propose overprotection to electric current rapidly, it is easy to cause disaster.It is typically necessary and additional mistake is separately installed
Flow protector and temperature switch collective effect, to monitor and protect circuit, once but overcurrent protector failure, weight will be triggered
Big disaster accident, while so also it is unfavorable for the design and manufacture of compact electric apparatus, while cost is added, it is unfavorable for promoting people
The people consume and pull social economy.
How temperature protector and overcurrent protector to be integrated, are a direction for being worth research of electrical apparatus industry.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of temperature control device bimetal spring structures, it can
To realize that application of the temperature switch on miniaturized electronics is unlikely to increase too many extra cost simultaneously, while can also be real
Now temperature protector and overcurrent protector are integrated.
Technical solution is used by the invention for solving the technical problem：
A kind of temperature control device bimetal spring structure includes the first conduct piece, the second conduct piece, insulating trip and bimetallic spring
Piece, the first conduct piece are mutually fixedly connected by the insulating trip with second conduct piece；One end of bimetal spring, which is fixed, to be connected
It is connected on the first conduct piece, the other end of bimetal spring is equipped with movable contact, and the position on the second conduct piece with respect to movable contact is set
It is equipped with stationary contact；During room temperature, movable contact is electrically connected with stationary contact；When reaching rated function temperature, movable contact and stationary contact point off
Open electric connection；
The bimetal spring is equipped with more than one bimetal spring perforate.By setting one on bimetal spring
The mode of above bimetal spring perforate, which changes area of section, influences its resistance value, so as to change rated function temperature.
Its resistance value is influenced since area of section can be changed by way of the perforate on bimetal spring, so as to change volume
Determine operating temperature, it is possible to the rated function temperature of large range of design temperature switch, without changing bimetallic spring
The thickness or area of piece, thereby realize the application on miniaturized electronics.Simultaneously the utility model due to compared with
Traditional temperature switch need not carry out too many additional change, so can't be significantly increased in production technology and material
Production cost is played, can thus realize extensive use of the temperature switch on miniaturized electronics.
Simultaneously because perforate design is carried out to bimetal spring so that the resistance of bimetal spring rises, by Joule heat
Effect understands that, when electric current is when increased dramatically moment, the high bimetal spring of resistance value will generate rapidly substantial amounts of heat, from
Without the heat ability disconnecting circuit generated until external circuit is burned, but disconnecting circuit realizes overcurrent guarantor quickly
The effect of shield.
According to actual applicable cases, a hole or multiple holes can be opened on bimetal spring.One of hole
Situation is known as first kind perforate, and the situation in multiple holes is known as the second class perforate.The first kind perforate, sets suitable for miniature electric
Standby temperature control device；The second class perforate is applicable to the environment of the temperature switch of integrated overcurrent protection function.
Further, the shape of the bimetal spring perforate includes any shape or arbitrary in circular, square, strip
Two or more combinations.
Further, for the ease of bimetal spring is riveted on the first conduct piece, the bimetal spring is equipped with two
A bimetal spring riveted holes.
Further, in order to increase the scope of activities of bimetal spring, installation space, described two bimetal springs are saved
Riveted holes are cross direction profiles.
Further, thermistor is further included in temperature switch and be arranged on the second conduct piece for fixing temperature-sensitive
The mounting base of resistance, the thermistor and the first conduct piece are electrically connected.The effect for introducing thermistor is to realize temperature
Control the effect that ON-OFF control circuit keeps power-off for a long time.
Further, the mounting base is fixed on by 2 riveting methods on the second conduct piece.
Further, set on the insulating trip there are two access opening, the access opening is respectively contact channel hole and temperature-sensitive electricity
Hinder access opening；The contact channel hole is located at the position that movable contact and stationary contact are electrically connected；The thermistor access opening position
In the position that thermistor and the first conduct piece are electrically connected.
Further, the insulating trip includes plastic sheet, insulating paper.Can different materials be selected according to the service condition of product
Insulating trip, it is contemplated that factor can be cost, size or temperature in use etc..
The beneficial effects of the utility model are：A kind of temperature control device bimetal spring structure that the utility model uses is led to
It crosses and the mode of one or more perforates is set to change area of section on bimetal spring influence its resistance value, it is specified dynamic so as to change
Make temperature, realize extensive use of the temperature switch on miniaturized electronics, while still realize and collect on temperature switch
Into the effect of overcurrent protection, the security performance that electric appliance uses is enhanced.
Description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure front using a kind of temperature switch of temperature control device bimetal spring structure of the utility model
Schematic diagram；
Fig. 2 is using a kind of integrally-built side of the temperature switch of temperature control device bimetal spring structure of the utility model
Face sectional view；
Fig. 3 is using a kind of structure of the insulating trip of the temperature switch of temperature control device bimetal spring structure of the utility model
Schematic diagram；
Fig. 4 is a kind of first kind open-celled structure schematic diagram of temperature control device bimetal spring structure of the utility model；
Fig. 5 is a kind of the second class open-celled structure schematic diagram of temperature control device bimetal spring structure of the utility model；
In figure, the 1, first conduct piece, the 2, second conduct piece, 3, insulating trip, 4, bimetal spring riveting point, 5, point of adjustment,
6th, bimetal spring, 7, movable contact, 8, stationary contact, 9, mounting base, 10, thermistor, 11, contact channel hole, 12, thermistor
Access opening, 16, bimetal spring perforate, 17, bimetal spring riveted holes, 18, shrapnel, 19, welding point, the 20, first platform,
21st, the second platform.
Specific embodiment
With reference to Fig. 1-Fig. 5, a kind of temperature control device bimetal spring structure of the utility model, for the ease of this field skill
The understanding of art personnel is described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, for a kind of the whole of application temperature switch of temperature control device bimetal spring structure of the utility model
Body structure front and side schematic view.
The temperature switch includes the first conduct piece 1, the second conduct piece 2,3 bimetal spring 6 of insulating trip and thermistor
10。
Further, described 6 one end of bimetal spring is fixed on the bimetal spring riveting point 4 of 1 inside of the first conduct piece,
The other end is not fixed, and is provided with raised block conducting metal as movable contact 7, and 7 and first conduct piece 1 of movable contact is electrically
Connection.
Further, the position of stationary contact 8 is corresponded in the second conduct piece 2, is provided with the block conducting metal conduct of protrusion
Stationary contact 8, the stationary contact 8 are electrically connected with the second conduct piece 2.
Further, the setting on the second conduct piece 2 is for installing the mounting base 9 of thermistor 10.
Further, thermistor 10 is installed in the mounting base 9, thermistor 10 electrically connects with the second conduct piece 2
It connects.
Further, the thermistor 10 is electrically connected with the first conduct piece 1.
Referring to Fig. 3, to apply a kind of insulating trip of the temperature switch of temperature control device bimetal spring structure of the utility model
Structure diagram；
Further, the first conduct piece 1 and the second conduct piece 2 are closely linked by insulating trip 3 so that first is conductive
1 and second conduct piece 2 of part is electrically insulated from.
Further, first conduct piece 1 and the second conduct piece 2 are electrically insulated by insulating trip 3, while are closed to realize
Function, should also cause the first conduct piece 1 and the controllable part of the second conduct piece 2 that can be electrically connected.
Further, set on the insulating trip 3 there are two access opening, the access opening is respectively contact channel hole 11 and heat
Quick resistance via hole 12.
Further, the position that movable contact 7 and stationary contact 8 are corresponded on insulating trip 3 is provided with contact channel hole 11 so that dynamic
Contact 7 and stationary contact 8 can be electrically connected by contact channel hole 11, so as to fulfill the first conduct piece 1 and the second conduct piece 2
It is electrically connected.
Further, in order to enable 10 and first conduct piece 1 of thermistor keeps being electrically connected, the corresponding heat on insulating trip 3
The position of quick resistance 10 is provided with thermistor access opening 12 so that 10 and first conduct piece 1 of thermistor can pass through temperature-sensitive
Resistance via hole 12 is electrically connected, so as to fulfill the electric connection of 10 and first conduct piece 1 of thermistor.
Further, according to the operating temperature of the electric appliance used, the factors such as production cost of temperature switch, different materials are selected
Insulating trip 3, the material of insulating trip 3 includes plastics, insulating paper etc..
Referring to Fig. 4 and Fig. 5, Fig. 4 is a kind of first kind perforate knot of temperature control device bimetal spring structure of the utility model
Structure schematic diagram；
Fig. 5 is a kind of the second class open-celled structure schematic diagram of temperature control device bimetal spring structure of the utility model.
Further, for the ease of bimetal spring 6 is fixed on the first conduct piece 1, two are set on bimetal spring 6
A bimetal spring riveted holes 17.
Further, in order to save 6 fixed point the space occupied of bimetal spring, two bimetal spring riveted holes 17 are set
It is set to transversely arranged.
Further, 6 resistance value of bimetal spring is adjusted in order to realize, perforate, bimetal spring is set on bimetal spring 6
The shape of perforate 16 includes any shape or arbitrary two or more combinations in circular, square, strip.
The further requirement according to situation about using and to temperature switch function, by the situation of bimetal spring perforate 16
It is divided into two classes, is first kind perforate and the second class perforate respectively.
First kind perforate as shown in Figure 4, corresponding embodiment 1：6 set a round hole on bimetal spring, this
Class setting is suitable for adjusting the rated function temperature of temperature switch, so that temperature switch is suitable for the situation of miniaturized electronics.
Second class perforate as shown in Figure 5, corresponding embodiment 2：In a 6 centrally disposed round hole of bimetal spring, ring
4 strip perforates, therefore its resistance value bigger are set around the round hole, and according to Joule's law, bimetal spring 6 is right at this time
The fuel factor of electric current is more sensitive, and this kind of design is applicable to the temperature switch of integrated overcurrent protection function.
The preferred embodiment of the above, simply the utility model, the utility model are not limited to above-mentioned implementation
Mode as long as it reaches the technique effect of the utility model with identical means, should all belong to the scope of protection of the utility model.
Claims (8)
1. a kind of temperature control device bimetal spring structure, including the first conduct piece (1), the second conduct piece (2), insulating trip (3) and
Bimetal spring (6), the first conduct piece (1) are mutually fixedly connected by the insulating trip (3) with second conduct piece (2)；It is double
One end of metal spring leaf (6) is fixedly connected on the first conduct piece (1), and the other end of bimetal spring (6) is equipped with movable contact
(7), the position on the second conduct piece (2) with respect to movable contact (7) is provided with stationary contact (8)；During room temperature, movable contact (7) and stationary contact
Point (8) is electrically connected；When reaching rated function temperature, movable contact (7) and stationary contact (8) are disconnected and are electrically connected；It is characterized in that：
The bimetal spring (6) is equipped with the more than one bimetal spring perforate (16) for being used to adjust bimetal spring (6) resistance value.
2. a kind of temperature control device bimetal spring structure according to claim 1, it is characterised in that：The bimetallic spring
The shape of piece perforate (16) includes any shape or arbitrary two or more combinations in circular, square, strip.
3. a kind of temperature control device bimetal spring structure according to claim 2, it is characterised in that：The bimetal spring
(6) it is used to fix the bimetal spring riveted holes (17) of the bimetal spring (6) on there are two setting.
4. a kind of temperature control device bimetal spring structure according to claim 3, it is characterised in that：The double gold of described two
It is cross direction profiles to belong to reed riveted holes (17).
5. a kind of temperature control device bimetal spring structure according to claim 1, it is characterised in that：Further include thermistor
(10) and be arranged on the second conduct piece (2) for fixing the mounting bases (9) of thermistor (10), the thermistor
(10) it is electrically connected with the first conduct piece (1).
6. a kind of temperature control device bimetal spring structure according to claim 5, it is characterised in that：The mounting base (9)
It is fixed on by 2 riveting methods on the second conduct piece (2).
7. a kind of temperature control device bimetal spring structure according to claim 5 or 6, it is characterised in that：The insulating trip
(3) set on there are two access opening, the access opening is respectively contact channel hole (11) and thermistor access opening (12)；It is described to touch
Point access opening (11) is located at the position that movable contact (7) and stationary contact (8) are electrically connected；The thermistor access opening (12) is located at
The position that thermistor (10) and the first conduct piece (1) are electrically connected.
8. a kind of temperature control device bimetal spring structure according to claim 7, it is characterised in that：The insulating trip (3)
Including plastic sheet, insulating paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312261.2U CN207425719U (en) | 2017-10-11 | 2017-10-11 | Bimetal reed structure of temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312261.2U CN207425719U (en) | 2017-10-11 | 2017-10-11 | Bimetal reed structure of temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425719U true CN207425719U (en) | 2018-05-29 |
Family
ID=62311112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312261.2U Active CN207425719U (en) | 2017-10-11 | 2017-10-11 | Bimetal reed structure of temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425719U (en) |
-
2017
- 2017-10-11 CN CN201721312261.2U patent/CN207425719U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 No.3 shengfengxiang Shengbei Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN CHUANCHENG PRECISION ELECTRONICS Co.,Ltd. Address before: 528415 one of Building 2, No.21, South Lianfeng Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN CHUANCHENG PRECISION ELECTRONICS Co.,Ltd. |