CN204924473U - Double-layer heat-insulation suspension type temperature sensor - Google Patents
Double-layer heat-insulation suspension type temperature sensor Download PDFInfo
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- CN204924473U CN204924473U CN201520583946.5U CN201520583946U CN204924473U CN 204924473 U CN204924473 U CN 204924473U CN 201520583946 U CN201520583946 U CN 201520583946U CN 204924473 U CN204924473 U CN 204924473U
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- support bar
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- shell
- guide pillar
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- 238000009413 insulation Methods 0.000 title claims abstract description 35
- 239000000725 suspension Substances 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 17
- 230000011664 signaling Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a double-layer heat insulation suspension type temperature sensor, which comprises a temperature sensing cap, a thermocouple, a supporting structure, an elastic connecting structure and a heat insulation structure, wherein the upper end of the elastic connecting structure is arranged in the temperature sensing cap and is abutted against the inner surface of the upper end of the temperature sensing cap; the lower end is fixedly connected with the supporting structure; the heat insulation structure comprises a shell, the shell is sleeved on the temperature sensing cap and the elastic connection structure, the shell is of a double-layer structure, a heat insulation cavity is arranged between a first layer and a second layer of the shell, the lower end of the shell is fixed at the upper end of the supporting structure, and the front end of the thermocouple is tightly attached to the temperature sensing cap. The utility model discloses reducible outside heat is through the interference of horizontal heat transfer and vertical heat transfer, and the temperature measurement deviation is little, improves the temperature measurement accuracy, and intelligent control can be realized in signal switch's setting moreover.
Description
Technical field
The utility model relates to a kind of temperature sensor, specifically the floated temperature sensor of a kind of double thermal insulation.
Background technology
In order to improve the safety in utilization of gas-cooker, current gas-cooker starts to adopt safety precautions, wherein arranging the temperature sensor for detecting the temperature bottom cooking pot tool, avoiding the generation of security incident.
But infrared acquisition temperature techniques is applied on gas kitchen ranges, there is certain limitation: one is the limitation of point for measuring temperature; Two is limitation that pan is put; Three is limitation of environment for use; These 3 all can be caused temperature deviation to alter a great deal, and cause the automatic erroneous judgement of electric-control system.
In existing domestic gas kitchen range, also adopt the temperature sensor at the bottom of a kind of direct contact pot in addition, it can temperature at the bottom of direct detection to pot.But this sensor also has certain limitation: affect very greatly by burner flame is photothermal, the particularly burner of multi-turn flame, due to the impact of inner ring flame, the temperature deviation causing sensor to detect is large, can cause the automatic erroneous judgement of electric-control system.
Application number is the self-adapted temperature sensor of the gas-cooker of 200810143480.1, its structure adopting parts such as comprising sensing cap, thermopair, sliding sleeve, orienting sleeve, guide rod, fire collar, spring to form, self-adaptation cookware base shape and putting position and close contact, the temperature signal of sensing cap detection cookware base, and be supplied to controller and automatically control.Its sliding sleeve, orienting sleeve and guide rod form three layers of heat insulation structural protection thermocouple wire; and fire collar forms single layer structure protection sensing cap; but still existing defects: the individual layer fire proof construction of upper end and three layers of heat insulation structural of lower end still can not avoid amount of heat conduct and pass to sensing cap; it is still poor to the effect of heat insulation of the upper end of sensing cap and thermocouple wire, affects the accurate measurement of sensing cap.
Utility model content
For overcoming the existing technological deficiency that effect of heat insulation is poor, temperature measurement accuracy is low being applied to the temperature sensor of gas-cooker, the utility model provides a kind of double thermal insulation floated temperature sensor, and its good heat-insulation effect to temperature-sensitive cap, temperature measurement accuracy are high.For realizing above-mentioned technical purpose, the technical solution of the utility model is as follows:
The floated temperature sensor of a kind of double thermal insulation, comprise temperature-sensitive cap, thermopair, supporting construction, elastic connection structure, heat insulation structural, the upper end of described elastic connection structure is arranged in described temperature-sensitive cap, and abuts with the upper end inside surface of described temperature-sensitive cap; Lower end is fixedly connected with described supporting construction; Described heat insulation structural comprises shell, described shell valve jacket is located at described temperature-sensitive cap and elastic connection structure, described shell is set to double-decker, insulated cavity is provided with between the ground floor of described shell and the second layer, the upper end of described supporting construction is fixed in the lower end of described shell, and described temperature-sensitive cap is close in the leading section of described thermopair.
More preferably, described elastic connection structure comprises temperature-sensitive cap Compress Spring, spring guide pillar, spring guide pillar push rod; The lower end of described spring guide pillar push rod is fixedly connected with described supporting construction, the lower end of described spring guide pillar is fixedly connected with the upper end of described spring guide pillar push rod, described temperature-sensitive cap is slidably socketed the upper end in described spring guide pillar, described temperature-sensitive cap Compress Spring is located in the cavity that described spring guide pillar and described temperature-sensitive cap formed, and upper end abuts with described temperature-sensitive cap, lower end abuts with described spring guide pillar.
More preferably, described supporting construction comprises support bar overcoat, support bar overcoat Compress Spring, support bar and lower sealing cap, the bottom of shell is fixed by caulking to lower sealing cap, the lower end of described spring guide pillar push rod is stretched out described lower sealing cap and is abutted with described support bar Compress Spring, the bottom of described lower sealing cap is fixedly connected with described support bar overcoat, described support bar overcoat is sheathed on described support bar overcoat Compress Spring, and bottom and the described support bar of described support bar overcoat are slidably socketed.
More preferably, the lower end of described support bar overcoat is inwardly shunk and is provided with boss, and the top of described support bar is outwards provided with the flanging coordinating with boss and form retaining structure.
More preferably, described temperature sensor also comprises signaling switch, and described signaling switch comprises Hall switch, magnet and magnet groove; Described Hall switch is fixed on the wire of described thermopair, described magnet groove is fixed on described support bar, the mobile of wire of described thermopair drives described magnet moving axially along described support bar in described magnet groove, the mobile on off state changing described Hall switch of described magnet.
More preferably, said temperature sensor also comprises two quick couplings be electrically connected with wire and the Hall switch of described thermopair respectively.
More preferably, said temperature sensor also comprises thermocouple wire pressing plate, and the inwall of described temperature-sensitive cap is fixed in the leading section of described thermopair by described thermocouple wire pressing plate.
More preferably, said temperature sensor also comprises support bar fixation kit, and described support bar fixation kit comprises fixed code, fixed mount and pan head screw, and described support bar is fixed on described fixed mount by described pan head screw by described fixed code.
Compared with prior art, the beneficial effects of the utility model are: the bottom of a pan is close to by temperature-sensitive cap, double thermal insulation inside configuration is pressed into completely by the bottom of a pan, and disengage with double thermal insulation structure, reduce double thermal insulation structure well heat is longitudinally conducted to temperature-sensitive cap, and heat insulation structural is set to bilayer, and the middle insulated cavity formed further reduces heat lateral transport to temperature-sensitive cap, thus thermopair can accurately detect the temperature at the bottom of pot; The signaling switch that Hall switch etc. are formed, with thermopair mating reaction, can realize the Based Intelligent Control of gas-cooker; Temperature-sensitive cap, shell, lower sealing cap, support bar overcoat are by suitably regulating, and can have different pendulum angles, therefore temperature sensor can better be adjacent at the bottom of pot, accurate detection cooking bottom temperature.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is diagrammatic cross-section of the present utility model.
Reference numeral: 1-temperature-sensitive cap, 2-thermocouple wire pressing plate, 3-temperature-sensitive cap Compress Spring, 4-spring guide pillar, 5-spring guide pillar push rod, 6-shell, 7-insulated cavity, sealing cap under 8-, 9-support bar overcoat, 10-support bar overcoat Compress Spring, 11-support bar, 12-thermopair, 13-fixed code, 14-fixed mount, 15-magnet, 16-magnet groove, 17-Hall switch, 18-clip, 19-quick coupling, 20-pan head screw.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of double thermal insulation be applied on gas-cooker floated temperature sensor, comprises temperature sensing component, supporting construction, elastic connection structure, heat insulation structural, signaling switch.The tubulose of inside all in hollow of supporting construction, elastic connection structure and heat insulation structural.
Below all as shown in Figure 1, 2, temperature sensing component comprises temperature-sensitive cap 1, thermopair 12, thermocouple wire pressing plate 2, by thermocouple wire pressing plate 2 leading section of thermopair 12 fixed and the inwall being close to temperature-sensitive cap 1 to avoid coming off easily, the wire of thermopair 12 passes the inside of elastic connection structure and supporting construction successively, and extends away as the external terminal of temperature sensor.Wherein the wire of thermopair 12 moves the on off state that can trigger and change signaling switch.
When temperature-sensitive cap 1 is subject to the downward pressure in the bottom of a pan, it can move down along temperature-sensitive cap Compress Spring 3, and the thermopair 12 be now fixed on temperature-sensitive cap 1 also can move down, thus the wire of the thermopair 12 mobile on off state triggering change signaling switch thereupon.As when signaling switch is connected with the controller of gas-cooker, the fuel gas pipeline of gas-cooker is automatically opened and can be implemented ignition, realizes the Based Intelligent Control of gas-cooker.
The upper end of elastic connection structure is arranged in temperature-sensitive cap 1, and abuts with the upper end inside surface of temperature-sensitive cap 1, and lower end is fixedly connected with supporting construction.Wherein, elastic connection structure comprises temperature-sensitive cap Compress Spring 3, spring guide pillar 4, spring guide pillar push rod 5.The lower end of spring guide pillar push rod 5 is fixedly connected with lower sealing cap 8, and can compress support bar overcoat Compress Spring 10 downwards.The lower end of spring guide pillar 4 is fixedly connected with the upper end of spring guide pillar push rod 5, and its upper end open.Temperature-sensitive cap 1 is slidably socketed the upper end in spring guide pillar 4, and temperature-sensitive cap Compress Spring 3 is located in the cavity that spring guide pillar 4 and temperature-sensitive cap 1 formed, and upper end abuts with temperature-sensitive cap 1, and lower end abuts with spring guide pillar 4.
Heat insulation structural comprises shell 6, and shell 6 is sheathed on temperature-sensitive cap 1 and elastic connection structure, and shell 6 is set to double-decker, is provided with insulated cavity 7 between the ground floor of shell 6 and the second layer, and the upper end of supporting construction is fixed in the lower end of shell 6.When temperature-sensitive cap 1 is stressed press down time, it is separated with the upper end of shell 6 gradually and forms space, reduces heat insulation structural to temperature-sensitive cap 1 longitudinally heat transfer, improves the degree of accuracy that temperature-sensitive cap 1 detects cooking bottom temperature.Therefore the insulated cavity 7 of double-deck shell 6 and its inside, available protecting temperature-sensitive cap 1 and thermopair 12, reduce heat lateral transport to temperature-sensitive cap 1 and thermopair 12, avoids environmental impact thus the temperature detecting precision of raising temperature-sensitive cap 1.
Supporting construction comprises support bar overcoat 9, support bar overcoat Compress Spring 10, support bar 11 and lower sealing cap 8.The bottom of shell 6 is fixed by caulking to lower sealing cap 8, the lower end of spring guide pillar push rod 5 is stretched out lower sealing cap 8 and is abutted with support bar overcoat Compress Spring 10, the bottom of lower sealing cap 8 is fixedly connected with support bar overcoat 9, support bar overcoat 9 is sheathed on support bar overcoat Compress Spring 10, and bottom and the support bar 11 of support bar overcoat 9 are slidably socketed.Support bar 11 is circular tube structure, and the wire being convenient to thermopair 12 wears wiring, thus the wire improving thermopair 12 moves the sensitivity with signaling switch.
The lower end of support bar overcoat 9 is inwardly shunk and is provided with boss, and the top of support bar 11 is outwards provided with the flanging coordinating with boss and form retaining structure, and this retaining structure can be used for keeping out support bar overcoat 9 and upwards skids off support bar 11.Support bar overcoat Compress Spring 10 is located at the inside of support bar overcoat 9, and lower end is supported by the flanging of support bar 11.Being positioned on gas-cooker when cooker and applying downward pressure to temperature-sensitive cap 1, when the end face of temperature-sensitive cap 1 flushes with the end face of shell 6, shell 6 is simultaneously stressed with temperature-sensitive cap 1.Downward pressure suffered by shell 6 passes to lower sealing cap 8 and support bar overcoat 9 successively, makes support bar overcoat 9 along the upper end slide downward of support bar 11.When removing cooker, the force of compression suffered by support bar overcoat Compress Spring 10 drives support bar overcoat 9 along support bar 11 upward sliding and turns back to original position.
In addition; the elastic force of support bar overcoat Compress Spring 10 is greater than the elastic force of temperature-sensitive cap Compress Spring 3; temperature-sensitive cap 1 is stressed reach certain numerical value time; it is delivered to support bar overcoat Compress Spring 10 by stressed; thus support bar overcoat Compress Spring 10 can available protecting temperature-sensitive cap Compress Spring 3, avoid it because of stressed excessive and damage.And the height of support bar overcoat Compress Spring 10 also adjustable shell 6, to coordinate the various shape requirements at the bottom of cooker pan, makes temperature-sensitive cap 1 be adjacent at the bottom of pot, accurate detection cooking bottom temperature.
Temperature-sensitive cap 1 is stressed and separate with the upper end of shell 6 and form space, therefore its certain angle that can swing within the specific limits.And support bar overcoat 9 also can need to arrange certain interval according to design with the place of being slidably socketed of support bar 11, the shell 6 be convenient to support bar overcoat 9, being fixedly connected with support bar overcoat 9 and spring guide pillar push rod 5 and the temperature-sensitive cap 1 abutted by elastic connection structure all can swing certain angle within the specific limits.Therefore the swing of temperature-sensitive cap 1 and shell 6, can adapt to the bottom of a pan of various shape, makes temperature-sensitive cap 1 can be adjacent to the bottom of a pan of various shape, thus accurate detection cooking bottom temperature.
Floated temperature sensor in the utility model also comprises support bar fixation kit, and support bar fixation kit comprises fixed code 13, fixed mount 14 and pan head screw 20.Fixed mount 14 is fixed on gas-cooker, and then support bar 11 is fixed on fixed mount 14 by pan head screw 20 by fixed code 13, thus is fixed on gas-cooker by support bar 11, is convenient to the temperature of temperature sensor detection at the bottom of pot.
Signaling switch comprises Hall switch 17, magnet 15 and magnet groove 16; Hall switch 17 is fixed on the wire of thermopair 12 by clip 18, magnet groove 16 is fixed on support bar 11, mobile drive magnet 15 the moving axially along support bar 11 in magnet groove 16 of the wire of thermopair 12, the mobile on off state changing Hall switch 17 of magnet 15.
In addition, the external terminal as temperature sensor that the wire of thermopair 12 is extended away, is electrically connected with a quick coupling 19; The output terminal of Hall switch 17 is also electrically connected with a quick coupling 19.The wire that two quick couplings 19 are convenient to thermopair 12 can be connected with external unit fast and stably with Hall switch 17.
In the present embodiment, between spring guide pillar 4 and spring guide pillar push rod 5, between lower sealing cap 8 and spring guide pillar push rod 5, between lower sealing cap 8 and shell 6, between lower sealing cap 8 and support bar overcoat 9, all adopt to be welded and fixed connection, wild phase connects the strength of joint between parts, improves the quality of floated temperature sensor.
Above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. the floated temperature sensor of double thermal insulation, it is characterized in that: comprise temperature-sensitive cap, thermopair, supporting construction, elastic connection structure, heat insulation structural, the upper end of described elastic connection structure is arranged in described temperature-sensitive cap, and abuts with the upper end inside surface of described temperature-sensitive cap; Lower end is fixedly connected with described supporting construction; Described heat insulation structural comprises shell, described casing is located at described temperature-sensitive cap and elastic connection structure, described shell is set to double-decker, insulated cavity is provided with between the ground floor of described shell and the second layer, the upper end of described supporting construction is fixed in the lower end of described shell, and described temperature-sensitive cap is close in the leading section of described thermopair.
2. the floated temperature sensor of double thermal insulation according to claim 1, is characterized in that: described elastic connection structure comprises temperature-sensitive cap Compress Spring, spring guide pillar, spring guide pillar push rod; The lower end of described spring guide pillar push rod is fixedly connected with described supporting construction, the lower end of described spring guide pillar is fixedly connected with the upper end of described spring guide pillar push rod, described temperature-sensitive cap is slidably socketed the upper end in described spring guide pillar, described temperature-sensitive cap Compress Spring is located in the cavity that described spring guide pillar and described temperature-sensitive cap formed, and upper end abuts with described temperature-sensitive cap, lower end abuts with described spring guide pillar.
3. the floated temperature sensor of double thermal insulation according to claim 2, it is characterized in that: described supporting construction comprises support bar overcoat, support bar overcoat Compress Spring, support bar and lower sealing cap, the bottom of shell is fixed by caulking to lower sealing cap, the lower end of described spring guide pillar push rod is stretched out described lower sealing cap and is abutted with described support bar Compress Spring, the bottom of described lower sealing cap is fixedly connected with described support bar overcoat, described support bar overcoat is sheathed on described support bar overcoat Compress Spring, and bottom and the described support bar of described support bar overcoat are slidably socketed.
4. the floated temperature sensor of double thermal insulation according to claim 3, is characterized in that: the lower end of described support bar overcoat is inwardly shunk and is provided with boss, and the top of described support bar is outwards provided with the flanging coordinating with boss and form retaining structure.
5. the floated temperature sensor of the double thermal insulation according to Claims 1-4 any one, is characterized in that: also comprise signaling switch, and described signaling switch comprises Hall switch, magnet and magnet groove; Described Hall switch is fixed on the wire of described thermopair, described magnet groove is fixed on described support bar, the mobile of wire of described thermopair drives described magnet moving axially along described support bar in described magnet groove, the mobile on off state changing described Hall switch of described magnet.
6. the floated temperature sensor of double thermal insulation according to claim 5, is characterized in that: also comprise two quick couplings be electrically connected with wire and the Hall switch of described thermopair respectively.
7. the floated temperature sensor of the double thermal insulation according to Claims 1-4 any one, is characterized in that: also comprise thermocouple wire pressing plate, and the inwall of described temperature-sensitive cap is fixed in the leading section of described thermopair by described thermocouple wire pressing plate.
8. the floated temperature sensor of double thermal insulation according to claim 3, it is characterized in that: also comprise support bar fixation kit, described support bar fixation kit comprises fixed code, fixed mount and pan head screw, and described support bar is fixed on described fixed mount by described pan head screw by described fixed code.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583946.5U CN204924473U (en) | 2015-08-05 | 2015-08-05 | Double-layer heat-insulation suspension type temperature sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583946.5U CN204924473U (en) | 2015-08-05 | 2015-08-05 | Double-layer heat-insulation suspension type temperature sensor |
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| CN204924473U true CN204924473U (en) | 2015-12-30 |
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| CN201520583946.5U Active CN204924473U (en) | 2015-08-05 | 2015-08-05 | Double-layer heat-insulation suspension type temperature sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106744A (en) * | 2018-01-11 | 2018-06-01 | 广东美的厨房电器制造有限公司 | Temperature sensor and gas-cooker |
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
| CN109798993A (en) * | 2017-11-17 | 2019-05-24 | 泰科电子(上海)有限公司 | Heat-conductive assembly and temperature measuring equipment |
| CN110397954A (en) * | 2019-07-31 | 2019-11-01 | 华帝股份有限公司 | Temperature sensor controlled by microswitch and gas stove using temperature sensor |
| CN110410829A (en) * | 2019-07-31 | 2019-11-05 | 华帝股份有限公司 | Temperature sensor and gas stove using same |
-
2015
- 2015-08-05 CN CN201520583946.5U patent/CN204924473U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
| CN109798993A (en) * | 2017-11-17 | 2019-05-24 | 泰科电子(上海)有限公司 | Heat-conductive assembly and temperature measuring equipment |
| CN108106744A (en) * | 2018-01-11 | 2018-06-01 | 广东美的厨房电器制造有限公司 | Temperature sensor and gas-cooker |
| CN108106744B (en) * | 2018-01-11 | 2023-07-28 | 广东美的厨房电器制造有限公司 | Temperature sensor and gas stove |
| CN110397954A (en) * | 2019-07-31 | 2019-11-01 | 华帝股份有限公司 | Temperature sensor controlled by microswitch and gas stove using temperature sensor |
| CN110410829A (en) * | 2019-07-31 | 2019-11-05 | 华帝股份有限公司 | Temperature sensor and gas stove using same |
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