CN212588526U - Temperature measurement switcher and electric heating appliance - Google Patents
Temperature measurement switcher and electric heating appliance Download PDFInfo
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- CN212588526U CN212588526U CN202021408262.9U CN202021408262U CN212588526U CN 212588526 U CN212588526 U CN 212588526U CN 202021408262 U CN202021408262 U CN 202021408262U CN 212588526 U CN212588526 U CN 212588526U
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 40
- 238000005485 electric heating Methods 0.000 title claims description 14
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 7
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a temperature measurement switch and electrical heating electrical apparatus relates to electrical heating electrical apparatus technical field, including thermistor, travel switch, first connecting wire, second connecting wire and public connecting wire, thermistor is in put through public connecting wire and first connecting wire or put through public connecting wire and second connecting wire under travel switch's the control. Utility model simple structure is compact, realizes switching between the different signal circuit through micro-motion travel switch to the pot courage of the different materials is distinguished in the realization, matches corresponding signal circuit.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electrical heating appliance technical field, concretely relates to temperature measurement switch and electrical heating appliance.
[ background of the invention ]
When the electric heating appliance is used, the temperature of the inner container needs to be measured and displayed, so that the electric heating appliance is convenient for a user to use. However, when the electric heating appliance uses different inner containers, if only one way of temperature measurement is adopted, the accuracy of the temperature measurement is inevitably influenced due to different reasons of materials, density, specific heat capacity and the like of the different inner containers, and meanwhile, the phenomenon that a plurality of strands of electric wires are staggered mutually can occur due to the fact that the electric heating appliance is directly connected with different temperature measurement circuits through electric wires, and the fault rate is increased.
[ Utility model ] content
In order to solve the problem, the utility model provides a novel temperature measurement switch, simple structure is compact, realizes switching between the different signal line through micro-motion travel switch to the pot courage of the different materials is distinguished in the realization, matches corresponding signal line.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the temperature measurement switcher comprises a thermistor, a travel switch, a first connecting line, a second connecting line and a public connecting line, wherein the thermistor comprises a first pin and a second pin, the first pin is connected with the public connecting line, and the second pin is communicated with the first connecting line or the second connecting line under the control of the travel switch.
Optionally, the temperature measuring switch includes a PCB, the first pin, the second pin, the first connection line, the second connection line, the common connection line and the travel switch are connected to the PCB at the same time, the first pin and the common connection line are connected through the PCB, and the second pin is communicated with the first connection line or the second connection line through the PCB under the control of the travel switch.
Optionally, the temperature measuring switcher further comprises a support, the PCB is fixed in the support, and the travel switch, the first connecting line, the second connecting line and the common connecting line penetrate through the support and are connected with the PCB.
Optionally, the support includes a first base and a second base, and the support forms an inner cavity for accommodating the PCB board by splicing the first base and the second base.
Optionally, the temperature measuring switch further includes a support pad, the support pad is installed in the support, the thermistor is installed in the support pad, and the first pin and the second pin penetrate through the support pad and are connected to the PCB.
Optionally, the temperature measurement switcher further comprises a fuse link and a protection connecting line, the protection connecting line penetrates through the support and is connected with the PCB, the fuse link is installed in the supporting pad, the fuse link is provided with a third pin and a fourth pin, the third pin penetrates through the supporting pad and is communicated with the protection connecting line through the PCB, and the fourth pin penetrates through the supporting pad and is connected with the PCB.
Optionally, the temperature measuring switcher further comprises a shell, and the support, the PCB board in the support and the support pad are wrapped in the shell by the shell.
Optionally, the housing is a metal housing, and the metal housing is grounded through a ground wire.
Optionally, a gasket is disposed between the outer shell and the support pad.
The utility model discloses following beneficial effect has:
the temperature measurement switch that this embodiment provided realizes switching between the different signal circuit through the travel switch of fine motion to the inner bag of the different materials of realization resolution matches corresponding signal circuit, in order to guarantee the accuracy of temperature measurement, and temperature measurement switch compact structure, its inner structure has been simplified in the use of PCB board, has avoided the crisscross phenomenon of stranded electric wire each other, has reduced the fault rate of temperature measurement switch. And the temperature measurement switcher is internally provided with overheating protection, and the metal shell of the temperature measurement switcher is subjected to grounding protection, so that the power utilization safety is fully guaranteed.
Furthermore, the utility model also provides an electrical heating appliance, electrical heating appliance has the above-mentioned arbitrary item temperature measurement travel switch. The electric heating appliance of the utility model can be a household electrical appliance such as an electric cooker, and is not limited here. The beneficial effect is similar to the beneficial effect reasoning process of the temperature measurement switcher, and the description is omitted here.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.
[ description of the drawings ]
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is an internal schematic view of a first embodiment of the present invention;
fig. 2 is an overall schematic view of a support according to a first embodiment of the present invention;
fig. 3 is an overall external schematic view of a first embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
The first embodiment is as follows:
the embodiment provides a temperature measurement switcher for small household appliances, especially small household appliances of electric heating appliances, particularly, the temperature measurement is carried out on inner containers of different materials after the inner containers of different materials are switched by the small household appliances of the electric heating appliances.
As shown in fig. 1, the temperature measuring switcher provided by the embodiment includes a thermistor 1, a travel switch 2, a first connection line 3, a second connection line 4, a common connection line 5, and a PCB 6.
The thermistor 1 comprises a first pin 11 and a second pin 12, the travel switch 2 comprises a first pin 21, a second pin 22 and a contact 23, the thermistor 1 is connected to the PCB 6 through the first pin 11 and the second pin 12, the travel switch 2 is connected to the PCB 6 through the first pin 21 and the second pin 22, the first connecting wire 3, the second connecting wire 4 and the common connecting wire 5 are simultaneously connected to the PCB 6, the first pin 11 is communicated with the common connecting wire 5 through the PCB 6, the travel switch 2 is in a normally open state, the second pin 12 is communicated with the first connecting wire 3 or the second connecting wire 4 through the PCB 6, and in the normally open state, if the second pin 12 is communicated with the first connecting wire 3, the second pin 12 is communicated with the second connecting wire 4 through the travel switch 2 in a closed state of the travel switch; in the normally open state, if the second pin 12 is communicated with the second connection line 4, the second pin 12 is communicated with the first connection line 3 through the travel switch 2 in the closed state of the travel switch.
In this embodiment, the temperature measurement switch still includes support 7 and supporting pad 8, support 7 is the engineering plastics material, adopt injection moulding to make, support 7's appearance is the step shaft shape, PCB board 6 is fixed in support 7, be located within the major diameter part that support 7 is the step shaft shape, travel switch 2, first connecting wire 3, second connecting wire 4 and public connecting wire 5 pass support 7 and are connected with PCB board 6, travel switch 2's contact 23 is at first connecting wire 3, the direction that second connecting wire 4 and public connecting wire 5 connect out from support 7. Supporting pad 8 is the silica gel material, and supporting pad 8 is installed in support 7, is located the top that support 7 is the minor diameter of step shaft shape, and thermistor 1 installs in supporting pad 8, and first pin 11 and second pin 12 pass supporting pad 8 and are connected with PCB board 6.
The temperature measurement switcher further comprises a fuse link 9 and a protection connecting line 91, wherein the fuse link 9 is installed in the supporting pad 8, the fuse link 9 is provided with a third pin 93 and a fourth pin 94, the third pin 93 penetrates through the supporting pad 8 to be communicated with the protection connecting line 91 through the PCB 6, the protection connecting line 91 penetrates through the support 7 to be communicated with the PCB 6, and the fourth pin 94 penetrates through the supporting pad 8 to be connected to the PCB 6. Fuse link 9 carries out overheat protection to the temperature measurement switch, and when the temperature was too high, fuse link 9 fusing led to 6 circuit breaks of PCB board, and then made the temperature measurement switch no matter public connecting wire 5 and first connecting wire 3 intercommunication or public connecting wire 5 and second connecting wire 4 intercommunication, all placed in the state of broken circuit.
The support 7 includes a first seat 71 and a second seat 72, and fig. 1 shows the interior of the second seat 72 after the first seat 71 is hidden. The support 7 forms an inner cavity for accommodating the PCB 6 and the wiring and components connected to the PCB 6 by the splicing of the first seat 71 and the second seat 72. After the first seat 71 and the second seat 72 are spliced, as shown in fig. 2, the overall shape is a stepped shaft shape, and a gasket 92 is further arranged on the top of the smaller diameter of the stepped shaft shape of the support 7, and the gasket 92 is a silica gel gasket. As shown in fig. 3, at the bottom of the larger diameter of the stepped shaft shape of the support 7, the first seat 71 is provided with a first baffle 73, the second seat 72 is provided with a second baffle 74, and after the first seat 71 and the second seat 72 are spliced, the first baffle 73 and the second baffle 74 form a half-enclosure to enclose the travel switch 2 and the contact 23 located outside the support 7 in the half-enclosure. Meanwhile, when the temperature measuring switcher is mounted to the small home appliance, a spring (not shown) between the temperature measuring switcher and the small home appliance is also mounted in the half enclosure formed by the first barrier 73 and the second barrier 74.
The temperature measuring switcher further comprises a shell 95, the shell 95 is a metal shell, the shell 95 covers the support 7, the PCB 6 in the support 7, a wiring and an element connected with the PCB 6, and the supporting pad 8 on the support 7 is covered in the shell 95, the gasket 92 is arranged between the shell 95 and the supporting pad 8, and the shell 95 is grounded through a grounding wire 96.
The temperature measurement switch that this embodiment provided is installed in the little household electrical appliances of electrical heating appliances, push away the bottom of the major diameter that supports 7 and be the step shaft shape through the spring, the top that makes the less diameter that supports 7 and be the step shaft shape is bought out, when using the inner bag of lower density material, because the inner bag courage body is lighter, consequently, lead to the unable abundant temperature measurement switch that pushes down of inner bag, the travel switch 2 of temperature measurement switch is in normally open state, consequently, public connecting wire 5 passes through thermistor 1 and first connecting wire 3 or second connecting wire 4 intercommunication, carry out the temperature measurement and show. And when changing the inner bag of great density material, because the inner bag courage body is heavier, consequently, lead to the inner bag to fully push down the temperature measurement switch, the travel switch 2 of temperature measurement switch is in the closure state this moment, consequently, if under the normally open state public connecting wire 5 passes through thermistor 1 and first connecting wire 3 intercommunication, then under the closure state public connecting wire 5 passes through thermistor 1 and second connecting wire 4 intercommunication, if under the normally open state public connecting wire 5 passes through thermistor 1 and second connecting wire 4 intercommunication, then under the closure state public connecting wire 5 passes through thermistor 1 and first connecting wire 3 intercommunication, carry out temperature measurement and demonstration.
The temperature measurement switch that this embodiment provided realizes switching between the different signal circuit through micro-motion travel switch 2 to the inner bag of the different materials is distinguished in the realization, matches corresponding signal circuit, in order to guarantee the accuracy of temperature measurement, and temperature measurement switch compact structure, its inner structure has been simplified in the use of PCB 6, has avoided the crisscross phenomenon of stranded electric wire each other, has reduced temperature measurement switch's fault rate. And the temperature measurement switcher is internally provided with overheat protection, and carries out ground protection on the shell 95, thereby fully ensuring the power utilization safety.
Example two:
the embodiment provides an electric heating appliance, which comprises the temperature measuring switcher of the first embodiment and is used for measuring the temperature of different inner containers when the electric heating appliance uses the different inner containers. The electric heating appliance in this embodiment may be an electric cooker, and is not limited herein.
While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. A temperature measurement switcher, its characterized in that: the temperature measurement switcher comprises a thermistor, a travel switch, a first connecting wire, a second connecting wire and a public connecting wire, wherein the thermistor comprises a first pin and a second pin, the first pin is connected with the public connecting wire, and the second pin is communicated with the first connecting wire or the second connecting wire under the control of the travel switch.
2. The temperature measurement switch of claim 1, wherein the temperature measurement switch comprises a PCB, the first pin, the second pin, the first connection line, the second connection line, a common connection line and the travel switch are connected to the PCB at the same time, the first pin and the common connection line are connected through the PCB, and the second pin is connected to the first connection line or the second connection line through the PCB under the control of the travel switch.
3. The temperature sensing switcher of claim 2, further comprising a support, wherein the PCB is fixed in the support, and the travel switch, the first connection line, the second connection line and the common connection line pass through the support and are connected to the PCB.
4. The temperature measuring switch according to claim 3, wherein the support comprises a first base and a second base, and the support forms an inner cavity for accommodating the PCB by splicing the first base and the second base.
5. The temperature sensing switcher of claim 3, further comprising a support pad mounted within the support base, wherein the thermistor is mounted within the support pad, and wherein the first pin and the second pin pass through the support pad and connect to the PCB.
6. The temperature sensing switch of claim 5, further comprising a fuse link and a protection link, wherein the protection link passes through the support and is connected to the PCB, the fuse link is mounted in the support pad, the fuse link has a third pin and a fourth pin, the third pin passes through the support pad and is communicated with the protection link through the PCB, and the fourth pin passes through the support pad and is connected to the PCB.
7. The thermometric switch of claim 5, further comprising a housing encasing said support base and said PCB and support pads within said support base.
8. The thermometric switch of claim 7, wherein the housing is a metal housing, the metal housing being grounded via a ground line.
9. The thermoswitch of claim 7, wherein a gasket is disposed between the housing and the support pad.
10. An electric heating appliance, characterized in that the electric heating appliance has a temperature measuring switcher of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408262.9U CN212588526U (en) | 2020-07-16 | 2020-07-16 | Temperature measurement switcher and electric heating appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408262.9U CN212588526U (en) | 2020-07-16 | 2020-07-16 | Temperature measurement switcher and electric heating appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212588526U true CN212588526U (en) | 2021-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021408262.9U Active CN212588526U (en) | 2020-07-16 | 2020-07-16 | Temperature measurement switcher and electric heating appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212588526U (en) |
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2020
- 2020-07-16 CN CN202021408262.9U patent/CN212588526U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: 274400 Yanzhuang village, pulianji Town, Cao County, Heze City, Shandong Province (plants 16 and 17 of Smart Home Industrial Park) Patentee after: Shandong Kemin sensor Co.,Ltd. Address before: 310016 workshop 3a01, 3rd floor, building 2, No.339, Baiyang street, Hangzhou Economic and Technological Development Zone, Jianggan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU KEMEITE SENSOR CO.,LTD. |