CN201289404Y - Self-adapting temperature sensor for gas cooker - Google Patents
Self-adapting temperature sensor for gas cooker Download PDFInfo
- Publication number
- CN201289404Y CN201289404Y CNU2008201590330U CN200820159033U CN201289404Y CN 201289404 Y CN201289404 Y CN 201289404Y CN U2008201590330 U CNU2008201590330 U CN U2008201590330U CN 200820159033 U CN200820159033 U CN 200820159033U CN 201289404 Y CN201289404 Y CN 201289404Y
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- guide rod
- temperature sensor
- self
- spring
- gas
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Abstract
The utility model relates to a self-adapting temperature sensor for a gas cooker, which comprises a sensing cap, a thermocouple, a slide sleeve, a guide sleeve, a guide rod, springs and a guide frame. A positioning ring I and a fireproof ring are fixedly connected on the outer ring surface of the upper end of the slide sleeve; the guide rod adopts a straight circular pipe; the upper end of the spring I is propped against and connected with the sensing cap, and the lower end thereof is propped against and connected with the positioning ring I; the spring II is mounted in the guide sleeve and sleeved with the guide rod; the slide sleeve is sleeved on the guide sleeve; the head of the thermocouple is mounted in the sensing cap; the lead wire of the thermocouple penetrates through the guide rod; and the guide frame is connected with the controller. The utility model has the advantages of compact structure, convenient installation, high temperature measuring accuracy and wide swinging range of the sensing cap, and can be suitable for various cookers and the arbitrary placement of the cookers and particularly suitable to use as the temperature sensors in embedded intelligent control gas cookers and oil fume-free control gas cookers.
Description
Technical field
The utility model relates to a kind of temperature sensor, particularly a kind of self-adapted temperature sensor that is applied to the intelligent control of civil gas stove.
Background technology
The temperature sensor that is applied to the domestic gas kitchen range at present has infrared temperature detector and thermopair contact type temperature sensor.Adopt the infrared temperature Detection Techniques, owing to be not direct contact thermography, point for measuring temperature relatively limits to, and causes temperature measurement accuracy not high, and is subjected to the interference of various environmental variances easily, causes maloperation.Adopt the direct heating power galvanic couple of flame,, generally can only be applied to the flame-out protection device of gas kitchen ranges because the temperature of gathering can not reflect the internal temperature of cooker.Chinese patent application number 200720062479.7 telescopic temperature sensors of announcing adopt thermopair contact-sensing technology, thermopair is close to cooker, its compact conformation, the temperature measurement accuracy height, but its defective is also arranged: need add the fire-proof and thermal-insulation device during application to guarantee its thermometric accuracy; The sensor head scope of activities is little, might cause and the cooker loose contact, is difficult to adapt to putting of different cookers and cooker diverse location; Parts processing, assembling are complicated, therefore are necessary to improve.
Summary of the invention
The purpose of this utility model provides a kind of to the cooker internal temperature thermometric self-adapted temperature sensor of gas-cooker accurately.
The utility model is realized with following mode.The self-adapted temperature sensor of gas-cooker comprises the sensing cap, thermopair, sliding sleeve, orienting sleeve, guide rod, spring, guide frame, the thermopair head is contained in the sensing cap, lower end of the guide rod is fixed with pivot pin, pivot pin is installed in the chute of guide frame, microswitch is contained on the guide frame, sliding sleeve upper end outer ring surface is connected with locating ring one and anti-fire ring, sliding sleeve upper end inner ring surface is connected with locating ring two, guide rod is a pipe always, its upper end outer ring surface and locating ring two are affixed, and orienting sleeve lower end and location-plate are affixed, and spring one upper end leans and connects the sensing cap, the lower end leans and connects locating ring one, spring two is contained in the orienting sleeve and entangles guide rod, and its upper end leans locating ring two, and the lower end leans the orienting sleeve bottom, sliding sleeve is sleeved on the orienting sleeve, and the lead of thermopair passes guide rod, guide frame is extended outside the guide frame.
The also available following mode of the utility model is finished:
The external diameter of sensing cap of the present utility model is less than the internal diameter of anti-fire ring.
Locating ring one of the present utility model is contained in the anti-fire ring.
The elastic force of spring one of the present utility model is greater than the elastic force of spring two.
Location-plate of the present utility model and guide frame anchorage clip are contained on the panel of gas-cooker.
The self-adapted temperature sensor compact conformation of gas-cooker, easy for installation, sensing cap hunting range is bigger, closely contacts with the cooker bottom, the putting position of energy various cooker of self-adaptation and cooker, be quick on the draw, discern pan-free state automatically, the fire-proof and thermal-insulation ability is strong, the temperature measurement accuracy height, temperature transfer is accurate, can accurately survey cooker bottom temp signal in real time, gathers and offers controller and control fired state automatically.The self-adapted temperature sensor of gas-cooker is specially adapted at embedded intelligence control gas-cooker and does not have and make temperature sensor usefulness on the soot controlling gas-cooker.
Description of drawings
The structural representation of the self-adapted temperature sensor of Fig. 1 gas-cooker.
Embodiment
As shown in Figure 1, the self-adapted temperature sensor of gas-cooker of the present utility model comprises sensing cap 1, thermopair 2, sliding sleeve 3, orienting sleeve 4, guide rod 5, location-plate 6, spring 1, spring 29 and guide frame 7, sliding sleeve 3 upper end outer ring surfaces are connected with locating ring 1 and anti-fire ring 10, locating ring 1 is contained in the anti-fire ring 10, sliding sleeve 3 upper end inner ring surfaces are connected with locating ring 2 12, guide rod 5 is pipes always, its upper end outer ring surface and locating ring 2 12 are affixed, guide rod 5 lower ends are fixed with pivot pin 14, orienting sleeve 4 lower ends and location-plate 6 are affixed, spring 29 is contained in the orienting sleeve 4 and entangles guide rod 5, its upper end leans locating ring 2 12, the lower end leans orienting sleeve 4 bottoms, sliding sleeve 3 is sleeved on the orienting sleeve 4, and spring one 8 upper ends lean and connect sensing cap 1, and the lower end leans and connects locating ring 1, thermopair 2 heads are contained in the sensing cap, and the lead of thermopair 2 passes guide rod 5, guide frame 7 is extended guide frame 7 outsides by plug 17 and controller plug-in mounting.Location-plate 6 is contained on the panel 15 of gas-cooker with guide frame 7 anchorage clips, and pivot pin 14 is installed in the chute 13 of guide frame 7, and microswitch 16 is contained on the guide frame 7.
The sensing cap 1 of the self-adapted temperature sensor of gas-cooker of the present utility model adopts spring 1 to be connected with sliding sleeve 3, sensing cap hunting range is strengthened, when putting cooker, cooker bottom and sensing cap 1 contact in the arbitrfary point, sensing cap 1 is because the elastic reaction of spring 1 can self-adaptation be adjusted angle, thereby closely contact with the cooker bottom automatically, increase contact area, effectively improve the precision that detects the cooker bottom temp.The affixed anti-fire ring 10 in sliding sleeve 3 upper ends plays the fire-proof and thermal-insulation effect; can prevent effectively that combustion flame from directly burning on the sensing cap; and can prevent that burning from producing radiation of high temperature; make sensing cap 1 can accurately measure the cooker temperature inside; rather than the temperature of flame, and can protect the circuit of thermopair 2.Guide rod 5 is designed to straight circular tube structure, makes thermopair 2 wirings more reasonable, and by sliding sleeve 3, orienting sleeve 4 and 5 three layers of thermal insulation protection thermocouple wire of guide rod.
When putting cooker; sensing cap 1 stressed downward pressuring spring 1; because the utility model adopts the design of the elastic force of spring 1 greater than the elastic force of spring 29; make that locating ring one 11 compression springs 29 drive sliding sleeve 3 and guide rod 5 moves downward; the chute 13 of pivot pin 14 on the guide rod 5 on guide frame 7 breaks away from microswitch 16 to lower slider; microswitch 16 is opened; the kitchen range fuel gas pipeline is opened and can be implemented ignition; take away cooker when taking down; spring 1 and spring 29 be return upwards; pivot pin 14 moves upward and closes microswitch 16, cuts off source of the gas automatically, realizes not having the pot protection.
The self-adapted temperature sensor of gas-cooker is contained on the panel 15 of gas-cooker by location-plate 6 and guide frame 7 anchorage clips, and compact conformation is easy for installation.
Claims (5)
1, the self-adapted temperature sensor of gas-cooker comprises the sensing cap, thermopair, sliding sleeve, orienting sleeve, guide rod, spring, guide frame, the thermopair head is contained in the sensing cap, lower end of the guide rod is fixed with pivot pin, pivot pin is installed in the chute of guide frame, microswitch is contained on the guide frame, it is characterized in that sliding sleeve (3) upper end outer ring surface is connected with locating ring one (11) and anti-fire ring (10), sliding sleeve (3) upper end inner ring surface is connected with locating ring two (12), guide rod (5) is a pipe always, its upper end outer ring surface and locating ring two (12) are affixed, orienting sleeve (4) lower end and location-plate (6) are affixed, spring one (8) upper end leans and connects sensing cap (1), the lower end leans and connects locating ring one (11), spring two (9) is contained in the orienting sleeve (4) and entangles guide rod (5), and its upper end leans locating ring two (12), and the lower end leans orienting sleeve (4) bottom, sliding sleeve (3) is sleeved on the orienting sleeve (4), and the lead of thermopair (2) passes guide rod (5), guide frame (7) is extended outside the guide frame (7).
2, the self-adapted temperature sensor of gas-cooker according to claim 1 is characterized in that the internal diameter of the external diameter of sensing cap (1) less than anti-fire ring (10).
3, the self-adapted temperature sensor of gas-cooker according to claim 1 is characterized in that locating ring one (11) is contained in the anti-fire ring (10).
4, the self-adapted temperature sensor of gas-cooker according to claim 1 is characterized in that the elastic force of the elastic force of spring one (8) greater than spring two (9).
5, the self-adapted temperature sensor of gas-cooker according to claim 1 is characterized in that location-plate (6) and guide frame (7) anchorage clip are contained on the panel (15) of gas-cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590330U CN201289404Y (en) | 2008-10-29 | 2008-10-29 | Self-adapting temperature sensor for gas cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590330U CN201289404Y (en) | 2008-10-29 | 2008-10-29 | Self-adapting temperature sensor for gas cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289404Y true CN201289404Y (en) | 2009-08-12 |
Family
ID=40981088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201590330U Expired - Lifetime CN201289404Y (en) | 2008-10-29 | 2008-10-29 | Self-adapting temperature sensor for gas cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201289404Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128691B (en) * | 2010-01-12 | 2012-11-07 | 上海申光洗涤机械集团有限公司 | Temperature detecting device for roller of oil and gas burning ironing machine |
| CN104359583A (en) * | 2014-08-21 | 2015-02-18 | 深圳市敏杰电子科技有限公司 | Anti-thermal-radiation NTC (negative temperature coefficient) temperature sensor |
| CN110793068A (en) * | 2018-08-02 | 2020-02-14 | 青岛海尔智慧厨房电器有限公司 | Empty burning prevention control method and device and stove |
-
2008
- 2008-10-29 CN CNU2008201590330U patent/CN201289404Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128691B (en) * | 2010-01-12 | 2012-11-07 | 上海申光洗涤机械集团有限公司 | Temperature detecting device for roller of oil and gas burning ironing machine |
| CN104359583A (en) * | 2014-08-21 | 2015-02-18 | 深圳市敏杰电子科技有限公司 | Anti-thermal-radiation NTC (negative temperature coefficient) temperature sensor |
| CN104359583B (en) * | 2014-08-21 | 2018-05-25 | 深圳市敏杰电子科技有限公司 | Thermal radiation resistant NTC temperature sensors |
| US11428585B2 (en) | 2014-08-21 | 2022-08-30 | Shenzhen Minjie Electronic Technology Co., Ltd. | Heat radiation-resistant NTC temperature sensors and applications thereof |
| CN110793068A (en) * | 2018-08-02 | 2020-02-14 | 青岛海尔智慧厨房电器有限公司 | Empty burning prevention control method and device and stove |
| CN110793068B (en) * | 2018-08-02 | 2021-04-06 | 青岛海尔智慧厨房电器有限公司 | Empty burning prevention control method and device and stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090812 Effective date of abandoning: 20081029 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090812 Effective date of abandoning: 20081029 |