CN203241839U - Thermal sensing device - Google Patents
Thermal sensing device Download PDFInfo
- Publication number
- CN203241839U CN203241839U CN 201320247908 CN201320247908U CN203241839U CN 203241839 U CN203241839 U CN 203241839U CN 201320247908 CN201320247908 CN 201320247908 CN 201320247908 U CN201320247908 U CN 201320247908U CN 203241839 U CN203241839 U CN 203241839U
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- China
- Prior art keywords
- temperature controller
- reset
- outage
- sensing device
- thermal sensing
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- Expired - Fee Related
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Abstract
The utility model discloses a thermal sensing device. The device is disposed at the bottom of a heating plate of a heating appliance. The device comprises a housing, a thermisor, and a power-off reset temperature controller and a supporting structure. The housing is disposed at the bottom of the heating plate of the heating appliance. The thermistor and the power-off reset temperature controller are fixed at the inner top of the housing through the supporting structure. The thermistor is in serial connection with the power-off reset temperature controller, the pin of which is in external connection with a control circuit. The device is high in safety and practice, and is worth being popularized.
Description
Technical field
The utility model relates to appliance field, in particular a kind of thermal sensing device that is applicable to electric heating appliance.
Background technology
Thermal sensor for electric heating appliance (electric cooker, electric hot water bottle etc.) of the prior art generally is by thermistor and fuse integrated unitized construction, and fuse is as the overtemperature prote purposes.This class thermal sensor in use has the following disadvantages: 1. poor practicability: the fuse of this structure is a purposes, cannot reuse; 2. replacement cost is high: namely lost efficacy after fuse work, this one unitized construction fixed form can not effectively be changed separately fuse, can only change by whole thermal sensor, and cost is higher; 3. have potential safety hazard: because the fuse of this structure is disposable overtemperature prote, the user can occur changing untimely situation after fuse disconnects in use, has potential safety hazard.
Therefore, prior art has yet to be improved and developed.
The utility model content
The purpose of this utility model is to provide a kind of thermal sensing device, is intended to solve the thermal sensor poor practicability that is used for electric heating appliance of prior art, and replacement cost is high and have a technical matters such as potential safety hazard.
The technical solution of the utility model is as follows: a kind of thermal sensing device, place electric heating appliance heat-generating disc bottom, and wherein, comprise shell, thermistor, outage can reset temperature controller and fixed mount; Described shell places electric heating appliance heat-generating disc bottom, and thermistor and the outage temperature controller that can reset all is fixed on the shell inner top by fixed mount; Thermistor and the outage temperature controller that can reset are connected in series, the outage temperature controller pin external control circuit that can reset.
Described thermal sensing device, wherein, described shell is arranged to single-ended closed tubbiness, the cover top portion sealing, be arranged on electric heating appliance heat-generating disc bottom, thermistor and the outage temperature controller that can reset all is fixed on the shell inner top by fixed mount, is close to the cover top portion inwall; Outer casing bottom opening, the outage temperature controller pin that can reset stretches out external control circuit from openend.
Described thermal sensing device, wherein, the described outage temperature controller that can reset is the closed outage temperature controller that can reset, and is built-in with the PTC heater.
Described thermal sensing device, wherein, described thermal sensing device also comprises at least one fuse, the temperature controller three that can reset is connected in series for described fuse, thermistor and outage.
Described thermal sensing device, wherein, described fuse is fixed on electric heating appliance heat-generating disc bottom, is arranged on the shell outside.
Described thermal sensing device, wherein, described fuse is fixedly installed on the shell inner top.
The beneficial effects of the utility model: the utility model is by arranging in the enclosure thermistor and the temperature controller that can reset that cuts off the power supply, utilize the be heated state of Characteristics Control electric heating appliance of resistance variations of thermistor, utilize the outage characteristic that can reset after the outage of temperature controller overcurrent overheat and the outage that can reset to guarantee the security of electric heating appliance and realize that the repetition of thermal sensor is practical, reduced the use cost of thermal sensor; The utility model is also at shell outer setting fuse simultaneously, further ensure the security of electric heating appliance, simultaneously because fuse separates setting with shell, when changing fuse, do not need to dismantle shell, it is convenient to change, even if the user forgets the replacing fuse, the outage temperature controller that can reset can guarantee that also electric heating appliance cuts off the power supply in the situation of overheated overcurrent.Security of the present utility model and practicality are high, are worthy of popularization.
Description of drawings
Fig. 1 is the cut-open view of thermal sensing device in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously the utility model is further described.
The utility model discloses a kind of thermal sensing device that is applicable to electric heating appliance, as shown in Figure 1, comprise shell 100, thermistor 200, outage can reset temperature controller 300, fixed mount 400 and over cap 500; Shell 100 is arranged to single-ended closed tubbiness, and shell 100 top seals are arranged on electric heating appliance heat-generating disc bottom, and shell 100 sides are projection outwards, forms concave station at medial surface; Thermistor 200 and the outage temperature controller 300 that can reset all is fixed on shell 100 inner tops by fixed mount 400, is close to shell 100 top inner wall; In the present embodiment, fixed mount 400 is interior card, shown in be provided with and the through hole of temperature controller 300 form fit of can resetting that cuts off the power supply on the card, outage temperature controller 300 lateral surfaces that can reset convex to form screens, the fixedly outage temperature controller 300 that can reset of screens is blocked in interior cartoon hole; Described interior card also is provided with the groove of shape and thermistor 200 couplings, forms the fixedly cavity of thermistor 200 between the top inner wall of interior card groove and shell 100, and thermistor 200 places cavity fixing, is close to the top inner wall of shell 100.Shell 100 bottom openings, outage temperature controller 300 pins that can reset stretch out external control circuit from openend.Thermistor 200 and the outage temperature controller 300 that can reset is connected in series.
In order to protect the structure in the thermal sensing device shell 100; thermal sensing device described in the utility model also comprises the over cap 500 that is arranged on the shell aperture end; over cap 500 is fixedly installed on the concave station of shell 100 medial surfaces; be provided with on the described over cap 500 and the through hole of temperature controller 300 pins couplings of can resetting that cuts off the power supply, outage temperature controller 300 pins that can reset stretch out external control circuit from through hole.
In the present embodiment, the outage temperature controller 300 that can reset can be can reset temperature controller 300 or the temperature control equipment with power-off restoration function of on the market outage.Outage can reset, and temperature controller 300 is preferred to adopt closed PTC(positive temperature coefficient (PTC)) the outage temperature controller that can reset, be built-in with PTC heater and thrermostatic bimetal-plate, when the contact of temperature controller disconnects, PTC heater heating is that thrermostatic bimetal-plate keeps deformation to withstand the contact can not resetting, until manually cut off the power supply of heating combined equipment, the PTC heater stops heating and cooling, makes thrermostatic bimetal-plate reply deformation, the closing of contact.
In the practical application, the utility model can be arranged on the central heat source place of electric heating appliance heat-generating disc, perhaps be arranged on the electric heating appliance thermal source around, can the reset control coefrficient of temperature controller 300 of thermistor and outage all needs position adjustments according to the actual setting of thermal sensing device.
Further, in order again to increase security of the present utility model and practicality, in actual the use, the utility model can also be at the arranged outside fuse (not drawing among the figure) of shell 100, fuse can be arranged on the central heat source place of electric heating appliance heat-generating disc, perhaps be arranged on the electric heating appliance thermal source around, the specifications parameter of fuse need to be selected according to the position of the actual setting of fuse, fuse, thermistor 200 and the outage temperature controller 300 that can reset is connected in series.
Perhaps fuse is arranged on shell 100 inside, places shell 100 inner tops, and fuse, thermistor 200 and the outage temperature controller 300 that can reset is connected in series.
The utility model is by arranging in the enclosure thermistor 200 and the temperature controller 300 that can reset that cuts off the power supply, utilize the be heated state of Characteristics Control electric heating appliance of resistance variations of thermistor 200, utilize the outage characteristic that can reset after the outage of temperature controller 300 overcurrent overheats and the outage that can reset to guarantee the security of electric heating appliance and realize that the repetition of thermal sensor is practical, reduced the use cost of thermal sensor; The utility model is also at shell outer setting fuse simultaneously, further ensure the security of electric heating appliance, simultaneously because fuse separates setting with shell, when changing fuse, do not need to dismantle shell, it is convenient to change, even if the user forgets the replacing fuse, the outage temperature controller 300 that can reset can guarantee that also electric heating appliance cuts off the power supply in the situation of overheated or overcurrent.Security of the present utility model and practicality are high, are worthy of popularization.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (6)
1. thermal sensing device places electric heating appliance heat-generating disc bottom, it is characterized in that, comprises shell, thermistor, outage can reset temperature controller and fixed mount; Described shell places electric heating appliance heat-generating disc bottom, and thermistor and the outage temperature controller that can reset all is fixed on the shell inner top by fixed mount; Thermistor and the outage temperature controller that can reset are connected in series, the outage temperature controller pin external control circuit that can reset.
2. thermal sensing device according to claim 1, it is characterized in that, described shell is arranged to single-ended closed tubbiness, the cover top portion sealing, be arranged on electric heating appliance heat-generating disc bottom, thermistor and the outage temperature controller that can reset all are fixed on the shell inner top by fixed mount, are close to the cover top portion inwall; Outer casing bottom opening, the outage temperature controller pin that can reset stretches out external control circuit from openend.
3. thermal sensing device according to claim 2 is characterized in that, the described outage temperature controller that can reset is the closed outage temperature controller that can reset, and is built-in with the PTC heater.
4. the described thermal sensing device of any one is characterized in that according to claim 1-3, and described thermal sensing device also comprises at least one fuse, and the temperature controller three that can reset is connected in series for described fuse, thermistor and outage.
5. thermal sensing device according to claim 4 is characterized in that, described fuse is fixed on electric heating appliance heat-generating disc bottom, is arranged on the shell outside.
6. thermal sensing device according to claim 4 is characterized in that, described fuse is fixedly installed on the shell inner top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247908 CN203241839U (en) | 2013-05-09 | 2013-05-09 | Thermal sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247908 CN203241839U (en) | 2013-05-09 | 2013-05-09 | Thermal sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241839U true CN203241839U (en) | 2013-10-16 |
Family
ID=49319113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247908 Expired - Fee Related CN203241839U (en) | 2013-05-09 | 2013-05-09 | Thermal sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006893A (en) * | 2014-05-30 | 2014-08-27 | 佛山市川东照明科技有限公司 | Temperature sensor with multi-protection function |
| CN104483035A (en) * | 2014-12-11 | 2015-04-01 | 广东福尔电子有限公司 | Electric cooker temperature sensor |
-
2013
- 2013-05-09 CN CN 201320247908 patent/CN203241839U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006893A (en) * | 2014-05-30 | 2014-08-27 | 佛山市川东照明科技有限公司 | Temperature sensor with multi-protection function |
| CN106092347A (en) * | 2014-05-30 | 2016-11-09 | 佛山市川东磁电股份有限公司 | A kind of manufacture method of the temperature sensor of multiple protective |
| CN104006893B (en) * | 2014-05-30 | 2017-05-31 | 佛山市川东磁电股份有限公司 | A kind of temperature sensor of multiple protective |
| CN106092347B (en) * | 2014-05-30 | 2019-05-24 | 佛山市川东磁电股份有限公司 | A kind of production method of the temperature sensor of multiple protective |
| CN104483035A (en) * | 2014-12-11 | 2015-04-01 | 广东福尔电子有限公司 | Electric cooker temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20131016 Termination date: 20180509 |