CN208833394U - A kind of overheat fusion protection sensor - Google Patents
A kind of overheat fusion protection sensor Download PDFInfo
- Publication number
- CN208833394U CN208833394U CN201821586272.4U CN201821586272U CN208833394U CN 208833394 U CN208833394 U CN 208833394U CN 201821586272 U CN201821586272 U CN 201821586272U CN 208833394 U CN208833394 U CN 208833394U
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- thermistor
- sensor
- lead
- mounting base
- fusing
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Abstract
The utility model discloses a kind of overheat fusions to protect sensor, including pedestal, cup body, outer spring, fixing sleeve, mounting base and top cover, fuse mounting groove and thermistor mounting groove are offered on the upper surface of mounting base, thermistor mounting groove is located at the centre of the upper surface of mounting base and is equipped with thermistor, fuse mounting groove is two and is symmetrically located at the two sides of thermistor mounting groove, fusing sensor is installed on fuse mounting groove, and the upside of fuse sensor and thermistor is abutted with top cover, wherein, fusing sensor is two and is symmetrically located at the two sides of thermistor, and thermistor is located at the centre of the upper surface of mounting base, so that top cover face has multiple contact points, and multiple contact points are symmetrically arranged, so that the stress of top cover more balances, the sensor that fuses is two , when a fusing sensor failure, another be can also continue to using improving the safety coefficient of electric cooker.
Description
Technical field
The utility model relates to technical field of electric appliances, in particular to a kind of overheat fusion protects sensor.
Background technique
The temperature control element that electric cooker bottom uses on the market at present has temperature detection and magnetic reed tube break function, certain
Be in degree can with normal control cooking bottom temperature, prevent temperature from can soar it is very high and electric cooker is burnt to or caused fire, pacify
Overall coefficient is lower.In present temperature control element, one temperature-sensitive fusing sensor only usually is installed in the side of thermistor, is easy
When temperature-sensitive fuses sensor failure, fuse can not be disconnected, electric cooker is burnt or caused when temperature being caused to rise very high
Fire, and only one temperature-sensitive fusing sensor to top cover abut, be easy so that top cover force unbalance and tilt, influence to produce
Quality.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of protections of overheat fusion to pass
Sensor, it is intended to solve top cover in the prior art and be easy force unbalance and tilt and be easy to make electric meal with temperature-sensitive fusing sensor failure
The problem of pot burns or causes fire.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of overheat fusion protects sensor, including being fixed on the pedestal of electric cooker bottom, the cup body above pedestal, being arranged
Outer spring on the outside of cup body is mounted on the intracorporal fixing sleeve of cup, the mounting base being fixed on inside fixing sleeve and covers on cup body top
The top cover in portion offers fuse mounting groove and thermistor mounting groove, thermistor installation on the upper surface of the mounting base
Slot is located at the centre of the upper surface of mounting base and is equipped with thermistor, and fuse mounting groove is two and is symmetrically located at
The two sides of thermistor mounting groove are equipped with fusing sensor on fuse mounting groove, and fuse sensor and thermistor
Upside abutted with top cover, the fusing sensor include first fusing sensor and second fusing sensor, described first
The both ends of fusing sensor are connected separately with first lead and the second lead, and the both ends of the second fusing sensor are separately connected
There are third lead and the 4th lead, and first lead, the second lead, third lead and the 4th lead are set close to mounting base side wall
It sets and lower end passes through cup body and pedestal.
In above-mentioned overheat fusion protection sensor, catch bar is equipped between the mounting base bottom surface and fixing sleeve, it should
Catch bar upper surface is fixedly connected with contact disc by screw, and the top of contact disc is equipped with spring, and the lower end of spring abuts
On contact disc, upper end is connected to the lower end surface of mounting base.
In above-mentioned overheat fusion protection sensor, the mounting base correspond to the two sides at thermistor both ends and
The lower section of thermistor is equipped with conductive sheet, and the side of the mounting base between conductive sheet is provided with thermistor line fixing groove, and
Thermistor line is installed, thermistor line is two and connects by conductive sheet and thermistor in thermistor line fixing groove
It connects.
In above-mentioned overheat fusion protection sensor, the medial surface of the cup body is electrically connected with ground by welding piece
Line, and welding piece is located at the lower section of thermistor line fixing groove.
In above-mentioned overheat fusion protection sensor, the pedestal is equipped with to be drawn for first lead, the second lead, third
The cable-through hole that line, the 4th lead, thermistor line and ground wire pass through, the lower end of the cup body are equipped with limited block, and limited block
The limit cup body and pedestal is realized across pedestal, and the limit hole across limited block is additionally provided on pedestal.
The utility model has the advantages that
The utility model provides a kind of overheat fusion protection sensor, is two by fusing sensor and symmetrically sets
In the two sides of thermistor, and thermistor is located at the centre of the upper surface of mounting base, the upper end of two fusing sensors and heat
In the same plane, i.e., the upper end of two fusing sensors is supported with the lower end surface of top cover simultaneously with thermistor for the upper end of quick resistance
Connect, therefore, so that top cover face has multiple contact points, and multiple contact points are symmetrically arranged so that top cover by
Power more balances, moreover, two fusing sensors are two, when a fusing sensor failure, another be can also continue to
It uses, it is ensured that its temperature avoids excessively high and electric cooker is burnt to and caused fire, improves the safety coefficient of electric cooker.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that overheat fusion provided by the utility model protects sensor.
Fig. 2 is that the overheat fusion of Fig. 1 protects the structural decomposition diagram of sensor.
Specific embodiment
The utility model provides a kind of overheat fusion protection sensor, for make the purpose of this utility model, technical solution and
Effect is clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that
Specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of overheat fusion protection sensor, including is fixed on electric cooker
The pedestal 12 of bottom, 12 top of pedestal cup body 15, be set in 15 outside of cup body outer spring 13, be mounted on consolidating in cup body 15
Surely it covers the 16, mounting base 23 being fixed on inside fixing sleeve 16 and covers the top cover 1 at 15 top of cup body, 13 sets of outer spring in cup body 15
Outside, the lower end of outer spring 13 are against the upper surface of pedestal 12, and upper end is abutted with the upper end of cup body, so that pot above top cover
When gallbladder is not loaded with thing, cup body is jacked up, and the microprocessor control panel in electric cooker controls electric cooker after receiving the signal
Stop heating；When cooker liner above top cover is loaded with thing, spring force is overcome to depress mounting base under the effect of gravity, micro- place
Reason device control panel receives control electric cooker heating after the signal, so that thermistor 4 is converted the electrical signal to heat and is conducted to
Top cover.
Specifically, fuse mounting groove 22 and thermistor mounting groove 5 are offered on the upper surface of the mounting base 23, heat
Quick resistance mounting groove 5 is located at the centre of the upper surface of mounting base and is equipped with thermistor 4, and fuse mounting groove 22 is two
And the two sides of thermistor mounting groove 5 are symmetrically located at, fusing sensor 26,27 is installed on fuse mounting groove 22, and
And the upside of fusing sensor 26,27 and thermistor 4 is abutted with top cover 1, wherein the thermistor is used to turn electric signal
It changes heat into and is conducted to top cover, and the heating of the cooker liner for being connected to top cover upper surface, and the sensor that fuses is for feeling
Electric cooker is burnt or is caused fire when temperature being avoided to rise very high by the temperature for answering top cover, specifically, fusing sensor is two
Two sides that are a and being symmetrically located at thermistor, and thermistor is located at the centre of the upper surface of mounting base, two fusing pass
The upper end of sensor and the upper end of thermistor in the same plane, i.e., the upper end of two fusing sensors and thermistor simultaneously with
The lower end surface of top cover abuts, and therefore, so that top cover face has multiple contact points, and multiple contact points are symmetrically arranged, into
And the stress of top cover is more balanced, moreover, two fusing sensors are two, when a fusing sensor failure, separately
One can also continue to using, it is ensured that its temperature avoids excessively high and electric cooker is burnt to and caused fire.
Specifically, the fusing sensor includes the first fusing sensor and the second fusing sensor, first fusing
The both ends of sensor 26 are connected separately with first lead 2 and the second lead 24, the both ends difference of the second fusing sensor 27
It is connected with third lead 3 and the 4th lead 25, and first lead 2, the second lead 24, third lead 3 and the 4th lead 25 patch
23 side wall of mounting base setting and lower end pass through cup body 15 and pedestal 12.First lead and the second lead are the first fusing of connection
The electric wire of sensor, third lead and the 4th lead line are the electric wire for connecting the second fusing sensor, so that the first fusing sensing
Device and the first fusing sensor are realized and are electrically connected.Wherein, first lead and the second lead are separate with the first fusing sensor
One end of connection is provided with connection terminal, third lead and the 4th lead and sets in separate one end connecting with the second fusing sensor
It is equipped with flag-shaped connection terminal.
Specifically, the mounting base 23 corresponds to the two sides at 4 both ends of thermistor and is equipped in the lower section of thermistor 4
Conductive sheet 17, the side of the mounting base 23 between conductive sheet is provided with thermistor line fixing groove 6, and thermistor line is fixed
Thermistor line 7 is installed, thermistor line 7 is two and connect by conductive sheet 17 with thermistor 4, temperature-sensitive on slot 6
The separate one end connecting with thermistor of resistive conductor is equipped with connector, and catch bar is equipped between the mounting base bottom surface and fixing sleeve
18, the lower end of the catch bar 18 is inserted in the center of fixing sleeve, and 18 upper surface of catch bar is fixedly connected with by screw 20 and is connect
The top of tactile disk 19, contact disc 19 is equipped with spring 21, and the lower end of spring 21 is connected on contact disc 19, and upper end is connected to peace
Fill the lower end surface of seat 23, wherein mounting base can slide up and down in fixing sleeve, and conductive sheet is fixed on fixing sleeve, temperature-sensitive electricity
Resistance line and thermistor are fixed in mounting base, by the promotion of spring, jack up mounting base, it is ensured that the temperature-sensitive in mounting base
Resistance is remained with two fusing sensors and is abutted with the lower end surface of top cover 1.
Preferably, ground wire 9 is electrically connected with by welding piece 8 in the medial surface of the cup body 15, and welding piece 8 is located at
The lower section of thermistor line fixing groove 6, the setting of ground wire 9, prevent internal electrical losses and and so that user is got an electric shock, improve the peace used
Quan Xing.
Specifically, being equipped on the base for first lead, the second lead, third lead, the 4th lead, thermistor
The cable-through hole 10 that line and ground wire pass through, the lower end of the cup body is equipped with limited block 14, and limited block 14 passes through pedestal and realizes cup
Limit between body and pedestal is additionally provided with the limit hole 11 across limited block on pedestal, wherein limited block 14 and limit hole 11
Cooperation, prevents cup body relative to base rotation, and wiring loosening and the line passed through from cable-through hole is caused to receive bending and influence matter
Amount, and 14 lower end of limited block turns up and cannot remove limit hole 11, the distance that limitation cup body is moved up and down relative to pedestal.
In the utility model, when the liner of electric cooker is equipped with thing and when being pressed on top cover, cup body moves down a spacing
From microprocessor control panel receives control electric cooker heating after the signal, and liner temperature inversion is electric signal by thermistor
Microprocessor control panel is transferred to control heating；When taking out in liner or liner without thing, cup body is moved up, microprocessor
Control electric cooker stops heating after control panel receives the signal；And when electric cooker failure causes cooking bottom temperature to be more than normal value
When, hot melt insurance disconnects, and cuts off the power, and stopping heating preventing electric cooker from burning or causing fire, wherein is by fusing sensor
Two and the two sides of thermistor are symmetrically located at, and thermistor is located at the centre of the upper surface of mounting base, two fusing
In the same plane, i.e., the upper end of two fusing sensors and thermistor are simultaneously for the upper end of sensor and the upper end of thermistor
It is abutted with the lower end surface of top cover, therefore, so that top cover face has multiple contact points, and multiple contact points are symmetrically arranged,
So that the stress of top cover more balances, moreover, two fusing sensors are two, when a fusing sensor failure,
Another can also continue to using, it is ensured that its temperature avoids excessively high and electric cooker is burnt to and caused fire, improves electric cooker
Safety coefficient.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to the protection of the utility model
Range.
Claims (5)
1. a kind of overheat fusion protects sensor, including being fixed on the pedestal of electric cooker bottom, the cup body above pedestal, being set in
Outer spring on the outside of cup body is mounted on the intracorporal fixing sleeve of cup, the mounting base being fixed on inside fixing sleeve and covers in cup top
Top cover, which is characterized in that fuse mounting groove and thermistor mounting groove, temperature-sensitive are offered on the upper surface of the mounting base
Resistance mounting groove is located at the centre of the upper surface of mounting base and is equipped with thermistor, and fuse mounting groove is for two and right
The two sides for being located at thermistor mounting groove claimed are equipped with fusing sensor on fuse mounting groove, and fuse sensor and
The upside of thermistor is abutted with top cover, and the fusing sensor includes the first fusing sensor and the second fusing sensor,
The both ends of the first fusing sensor are connected separately with first lead and the second lead, the both ends of the second fusing sensor
It is connected separately with third lead and the 4th lead, and first lead, the second lead, third lead and the 4th lead are close to installation
Seat side wall is arranged and lower end passes through cup body and pedestal.
2. overheat fusion according to claim 1 protects sensor, which is characterized in that the mounting base bottom surface and fixing sleeve
Between be equipped with catch bar, which is fixedly connected with contact disc by screw, the top of contact disc equipped with spring, and
And the lower end of spring is connected on contact disc, upper end is connected to the lower end surface of mounting base.
3. overheat fusion according to claim 1 protects sensor, which is characterized in that the mounting base corresponds to thermistor
The two sides at both ends and the lower section of thermistor be equipped with conductive sheet, the side of the mounting base between conductive sheet is provided with temperature-sensitive
Resistive conductor fixing groove, and thermistor line is installed in thermistor line fixing groove, thermistor line is two and passes through
Conductive sheet is connect with thermistor.
4. overheat fusion according to claim 1 protects sensor, which is characterized in that the medial surface of the cup body passes through weldering
Contact pin is electrically connected with ground wire, and welding piece is located at the lower section of thermistor line fixing groove.
5. overheat fusion according to claim 1 protects sensor, which is characterized in that the pedestal is equipped with to be drawn for first
The cable-through hole that line, the second lead, third lead, the 4th lead, thermistor line and ground wire pass through, the lower end of the cup body are equipped with
Limited block, and limited block realizes the limit cup body and pedestal across pedestal, and the limit across limited block is additionally provided on pedestal
Position hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586272.4U CN208833394U (en) | 2018-09-28 | 2018-09-28 | A kind of overheat fusion protection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586272.4U CN208833394U (en) | 2018-09-28 | 2018-09-28 | A kind of overheat fusion protection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833394U true CN208833394U (en) | 2019-05-07 |
Family
ID=66318728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821586272.4U Active CN208833394U (en) | 2018-09-28 | 2018-09-28 | A kind of overheat fusion protection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487432A (en) * | 2019-08-29 | 2019-11-22 | 南京凯盟仕电子科技有限公司 | A kind of industrial sensor and its installation method being easily installed |
-
2018
- 2018-09-28 CN CN201821586272.4U patent/CN208833394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487432A (en) * | 2019-08-29 | 2019-11-22 | 南京凯盟仕电子科技有限公司 | A kind of industrial sensor and its installation method being easily installed |
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