CN104783668B - PTC Integrated sensor - Google Patents
PTC Integrated sensor Download PDFInfo
- Publication number
- CN104783668B CN104783668B CN201510214519.4A CN201510214519A CN104783668B CN 104783668 B CN104783668 B CN 104783668B CN 201510214519 A CN201510214519 A CN 201510214519A CN 104783668 B CN104783668 B CN 104783668B
- Authority
- CN
- China
- Prior art keywords
- base
- ptc
- fixed plate
- fusing
- upper lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Thermally Actuated Switches (AREA)
- Fuses (AREA)
Abstract
The invention relates to the technical field of temperature control sensors, in particular to a PTC integrated sensor. The PTC integrated sensor comprises a base. A sensing component is arranged in the base. The upper end of the base is sleeved with an upper cover which independently acts relative to the base. A compression spring is arranged between the base and the upper cover. The upper cover is in abutting linkage with the sensing component in the base in the downward-pressing process. The sensing component comprises an overheating power-off device provided with a heat keeping device. According to the PTC integrated sensor, when the temperature rise of an inner pot exceeds a thermistor set value, a main control panel circuit is switched off to achieve power-off protection; a heating circuit can be switched off when a contact piece deforms, at the moment, the PTC heating source heats a temperature sensing piece, and the power-off state is kept to prevent the problem that the contact piece is cooled and connected with the heating circuit again; a fusing core is directly molten through high temperature, and the heating circuit is switched off with force to achieve final protection; the temperature sensing piece and an insulation support are used as stress reaction components, the off-line problem of lead welding points is reduced, and the sensor is high in overall integration, convenient to maintain and stable to trigger and is perfectly protected.
Description
Technical field
The present invention relates to temperature control sensor technical field, more particularly to a kind of PTC integrated sensors.
Background technology
Chinese patent CN201422761Y discloses a kind of anti-dry burning device of microswitch type, including mounting cup, fine motion
Switch and switch supporting plate, microswitch are set with mounting cup, and mounting cup is arranged on switch supporting plate, and mounting cup holds in the palm with switch
Back-moving spring is provided between plate, switch supporting plate is fixed on mounting base, and mounting cup integrally descends enforcement microswitch to connect when using
Heater circuit on logical mounting base, is in series with temperature-sensitive component on heater circuit, heater circuit is then disconnected when mounting cup is released.
This structure setting causes each workpiece to be integrally fixedly connected with installing plate, is selected in the pressure-driven of interior pot, enters
And produce and move up and down realization without pot and detection, the lead of workpiece constantly bends and extends easily makes each node occur contacting
Bad problem.Existing sensor overall structure setting is unreasonable to cause integrated level relatively low, and assembly precision will between each part
Ask higher and efficiency of assembling is relatively low.Therefore, prior art could be improved and develop.
The content of the invention
Defect and deficiency it is an object of the invention to be directed to prior art, there is provided a kind of compact conformation, safety and stability, collection
Into degree PTC integrated sensors high.
To achieve the above object, the present invention uses following technical scheme：
A kind of PTC integrated sensors of the present invention, including base, are provided with sensing element in base, the base
Upper end is arranged with the upper lid of self contained function corresponding thereto, is provided with compression spring between base and upper lid, it is described on cover and pushing row
In journey linkage is contradicted with the sensing element in base；The sensing element includes overheating interruption device, is set on overheating interruption device
There are hot holding meanss.
Further, the hot holding meanss include PTC pyrotoxins, and PTC pyrotoxins are provided with positive and negative two powered electrodes,
PTC pyrotoxins are equipped with upper lid and PTC pyrotoxins are connected in parallel by powered electrode with overheating interruption device.
Further, be provided with fixed plate in the upper port of the base, the upper end of overheating interruption device through fixed plate with
Upper lid is equipped with, and PTC pyrotoxins are equipped with fixed plate and with upper lid, and two powered electrodes are distinguished through fixed plate
The two poles of the earth with overheating interruption device are connected in parallel.
Further, the overheating interruption device include pin A, pin B, contact A, contact B and ceramic bar, pin A and
Pin B upper ends are in the base below the fixed plate, pin A, the lower end of pin B be each passed through mounting structure in base and its
It is fixedly connected；
The fixing end of the contact A is connected with pin A upper ends, and the fixing end of contact B is connected with pin B upper ends, contact A's
Free end is equipped with the free end of contact B；
The ceramic bar is arranged in fixed plate and ceramic bar lower end is supported on the contact B free ends, ceramic bar upper end with
Upper lid is equipped with.
Described two powered electrodes are arranged in fixed plate respectively, two lower ends of powered electrode contradict respectively be connected to it is slotting
On pin A and pin B.
Further, the overheating interruption device is provided with thermal cutoff device；
The fusing core that the thermal cutoff device is made including hot melting plastic, fixed plate is provided with fusing hole, and fusing core wears
In fusing hole in, and fusing core upper end with it is upper lid be equipped with；The fusing core top is provided with less than its own external profile diameter
Closing in groove.
Be provided with fusing spring between the lower end of the fusing core and base, be provided between fusing core lower end and fusing spring with
The tripper that overheating interruption device coordinates.
Further, the tripper includes shift fork, and one end of shift fork is fixedly connected with fusing spring upper end, shift fork
The other end is supported located at the top of contact A free ends.
Further, thermal sensitive piece is provided between the fixed plate and upper lid, thermal sensitive piece is connected with elastic spring with fixed plate；
The ceramic bar of the thermal sensitive piece and lower section, fusing core, PTC pyrotoxins are equipped with.
The elastic spring is fixedly connected in horizontal " u "-shaped structure setting, the lower side of elastic spring with fixed plate, feels
Warm piece is connected oblique setting with the upper side edge of elastic spring；The tilting end of thermal sensitive piece ceramic bar respectively with lower section,
Fusing core, PTC pyrotoxins are equipped with.
Further, the sensing element also includes temperature-sensitive component and microswitch, and the temperature-sensitive component can be up and down
In base, temperature-sensitive component upper end coordinates linkage with upper lid, and microswitch is fixed in the base below temperature-sensitive component on ground,
And temperature-sensitive component lower end is linked with microswitch and is set.
Further, the temperature-sensitive component include thermistor and insulating support, insulating support upper end through fixed plate with
Upper lid is correspondingly arranged, and the fixed plate is provided with the limited block of the upper lid downward storke of limitation, and insulating support is movably connected with the base
And the lower end of insulating support is linked with microswitch and is set；The thermistor is embedded on insulating support upper end and thermistor
Lead be arranged on insulating support.
Further, a kind of liquid heater using described PTC integrated sensors.
The present invention has the beneficial effect that：The present invention is rational in infrastructure, interior pot is loaded when using and pushes down lid, and upper lid is pushed and temperature-sensitive
Continued traveling downwardly after Ohmic contact, insulating support drives the microswitch output to have a pot signal, now thermal sensitive piece upper cover strip it is dynamic lower with
Ceramic bar, temperature sensing board contact start monitoring temperature, descending extreme position is covered in the control of stroke limit plate, and heat is exceeded when interior pot temperature rises
During quick resistance setting value, master control borad circuit realiration power-off protection is cut off；Exceed overheating interruption device design temperature when interior pot temperature rises
When, heater circuit is cut off in contact deformation, and now PTC pyrotoxins are heated to thermal sensitive piece, so that overheating interruption device is kept switched off
Connection heater circuit causes to overheat again after state avoids contact from lowering the temperature；When temperature rise exceedes the anti-dry limit, temperature sensing board starts heat
Fuse function, fusing core is directly melted by high temperature, and force disconnect heater circuit realizes final protection；Thermal sensitive piece and insulating support
As stress reaction part, reduce the off-line problem of lead solder-joint, sensor over all Integration degree high maintenance is convenient, triggering stabilization and
Protection is perfect, can improve heater service life.
Brief description of the drawings
Fig. 1 is overall configuration schematic diagram of the invention；
Fig. 2 is sensing element assembling structure schematic diagram of the invention.
In figure：
1st, base；2nd, PTC pyrotoxins；4th, fuse core；5th, microswitch；
11st, upper lid；12nd, compression spring；13rd, fixed plate；14th, fuse hole；
15th, thermal sensitive piece；16th, elastic spring；17th, limited block；21st, powered electrode；
31st, pin A；32nd, pin B；33rd, contact A；34th, contact B；
35th, ceramic bar；41st, fuse spring；42nd, shift fork；43rd, insulating support；
44th, insulating support；45th, thermistor.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1-2, detecting means are provided with a kind of PTC integrated sensors of the present invention, including base 1, base 1
Part, the upper end of the base 1 is arranged with the upper lid 11 of self contained function corresponding thereto, and compression bullet is provided between base 1 and upper lid 11
Spring 12, the upper lid 11 contradicts linkage in stroke is pushed with the sensing element in base 1；The sensing element includes that overheat is disconnected
Electric installation, overheating interruption device is provided with hot holding meanss；The hot holding meanss include PTC pyrotoxins 2, on PTC pyrotoxins 2
Be provided with positive and negative two powered electrodes 21, PTC pyrotoxins 2 be equipped with upper lid 11 and PTC pyrotoxins 2 by powered electrode 21 with
Overheating interruption device is connected in parallel；The PTC integrated sensors are carried on liquid heater, and interior pot loads band when in heater
Dynamic upper lid 11 is pushed so as to activate sensing element work, and upper lid 11 can avoid the lead of existing structure as independent trigger unit
Bending, solder joint release, malformation the problems such as, improve efficiency of assembling and trigger sensitivity；Overheating interruption device is under upper lid 12
Contradicted with it after pressure and be connected, overheating interruption device receives the interior pot temperature of the upper conduction of lid 12 and opens overtemperature protection, in interior pot temperature
Rise and cut off heater circuit when exceeding setting value, PTC pyrotoxins 2 now connected in parallel work on and maintain the temperature of lid 12
Degree, and then overheating interruption device is maintained off-position, it is to avoid resetted after its temperature drop and be again switched on what heater circuit was caused
Kwh loss.
Fixed plate 13 is provided with the upper port of above-mentioned base 1, the upper end of overheating interruption device passes through fixed plate 13 and upper lid
11 are equipped with, and PTC pyrotoxins 2 are equipped with fixed plate 13 and with upper lid 11, and two powered electrodes 21 are passed through fixes
Plate 13 is connected in parallel with the two poles of the earth of overheating interruption device respectively, and fixed plate 13 is provided with the slot coordinated with powered electrode 21, connects
Electrode 21 passes through correspondence slot to be connected with the overheating interruption device of lower section, so that the PTC hairs being welded in powered electrode 21
Thermal source 2 is fixed in fixed plate 13, and upper lid 11 is contradicted after pushing with PTC pyrotoxins 2, is heated so as to be cut off in overheating interruption device
During circuit, PTC pyrotoxins continue to conduct off-position of the heat to maintain heater circuit by upper lid 11 to overheating interruption device.
Above-mentioned overheating interruption device includes pin A31, pin B32, contact A33, contact B34 and ceramic bar 35, pin A31
With pin B32 upper ends in the base 1 of the lower section of fixed plate 13, pin A31, the lower end of pin B32 are each passed through in base 1
Mounting structure is secured to connection；Pin A31 and pin B32 composition overheating interruption device the two poles of the earth and respectively with heater circuit connect
Connect；
The fixing end of the contact A33 is connected with pin A31 upper ends, and fixing end and the pin B32 upper ends of contact B34 connect
Connect, free end and the free end of contact B34 of contact A33 are equipped with；Contact A33 and contact B34 composition action movie switch knots
Structure is changing the on off operating mode at the two poles of the earth of overheating interruption device.
The ceramic bar 35 is arranged in fixed plate 13 and the lower end of ceramic bar 35 is supported on contact B34 free ends, ceramics
The upper end of bar 35 is equipped with upper lid 11；Upper lid 11 is pushed and contradicted with the upper end of ceramic bar 35, and the temperature rise of interior pot is by upper lid 11, pottery
Porcelain bar 35 conducts to contact B34, when temperature exceedes setting value contact B34 deform upon with cut off overheating interruption device the two poles of the earth it
Between connection.
Above-mentioned two powered electrode 21 is arranged in fixed plate 13 respectively, two lower ends of powered electrode 21 company of conflict respectively
It is connected on pin A31 and pin B32.
Above-mentioned overheating interruption device is provided with thermal cutoff device, and thermal cutoff device is simultaneously as the triggering of overheating interruption device
Switch, contacts and drives thermal cutoff device, the contact in thermal cutoff device activation overheating interruption device first when upper lid 11 is pushed
Switch makes it into overtemperature protection pattern, and when interior pot temperature rises the setting value more than thermal cutoff device, thermal cutoff device cut off
Contact-making switch in hot breaker device realizes final protection.
The fusing core 4 that above-mentioned thermal cutoff device is made including hot melting plastic, fixed plate 13 is provided with fusing hole 14, and fuse core
4 are arranged in fusing hole 14, and the fusing upper end of core 4 is equipped with upper lid 11；Upper lid 11 is pushed and contradicted simultaneously with fusing core 4 upper end
It is driven to push；
It is described fusing core 4 lower end and base 1 between be provided with fusing spring 41, fusing the lower end of core 4 with fusing spring 41 it
Between be provided with the tripper coordinated with overheating interruption device, fusing core 4 is pushed and shrinks fusing spring 41, and tripper is under
The band movable contact spring free end in contact contact B34 of A33 are gone and make, compression spring 41 is released so as to drive open circuit when fusing core 4 fuses
Device is up, and contact A33 resets so as to the circuit connection cut off and between contact B34 therewith.
Above-mentioned tripper includes shift fork 42, and one end of shift fork 42 is fixedly connected with fusing spring 41 upper end, shift fork 42
The other end is supported located at the top of contact A33 free ends.
The above-mentioned top of fusing core 4 is provided with the closing in groove 43 less than its own external profile diameter, and fusing core 4 is exceeded when interior pot temperature rises
Hot melt value when, the quick fuse of fusing core 4 at closing in groove 43 is so as to discharge fusing spring 41, it is to avoid the lower hot melt that is rapidly heated is disconnected
The device response time is long, prevents from causing heater integrally to burn out or producing disaster hidden-trouble.
Thermal sensitive piece 15 is provided between above-mentioned fixed plate 13 and upper lid 11, thermal sensitive piece 15 is connected with elastic spring with fixed plate 13
16；The ceramic bar 35 of the thermal sensitive piece 15 and lower section, fusing core 4, PTC pyrotoxins 2 are equipped with, and upper lid 11 is in stroke is pushed
Contacted with thermal sensitive piece 15 first and drive it to push, thermal sensitive piece 15 contacts drive with fusing core 4 first, and it excites overheat power-off dress
Put and enter protected mode, thermal sensitive piece 15 is contradicted with ceramic bar 35, PTC pyrotoxins 2 when upper lid 11 comes downwards to extreme position, so as to make pottery
The temperature rise of interior pot is conducted to contact B34 by porcelain bar 35, contact B34 deformations cut-out and contact when temperature rise exceedes contact B34 setting values
Connection between A33, now PTC pyrotoxins 2 work on and thermal sensitive piece 15 heated, the temperature of contact B34 is maintained at cut-out
Value, it is to avoid its activation heater circuit work again that resets causes circuit to waste.
Currently preferred thermal sensitive piece 15 is set using the resilient cambered surface disc structure of tool, and thermal sensitive piece 15 is upper lid 11
Drive it is lower with the core 4 that fuses, ceramic bar 35, PTC pyrotoxins 2 be when contacting, the autogenous shrinkage amount of thermal sensitive piece 15 can avoid the mistake of lid 11
The above-mentioned part of degree extruding causes deformational displacement, improves working sensor stability and triggering sensitivity.
Above-mentioned elastic spring 16 in horizontal " u "-shaped structure setting, fix by lower side and the fixed plate 13 of elastic spring 16
Connection, thermal sensitive piece 15 is connected oblique setting with the upper side edge of elastic spring 16；The tilting end of the thermal sensitive piece 15 respectively with
The ceramic bar 35 of lower section, fusing core 4, PTC pyrotoxins 2 are equipped with.
Above-mentioned sensing element also includes temperature-sensitive component and microswitch 5, and the temperature-sensitive component can up and downly be located at bottom
In seat 1, temperature-sensitive component upper end coordinates with upper lid 11 is linked, and microswitch 5 is fixed in the base 1 below temperature-sensitive component, and
Linked with microswitch 5 and set in temperature-sensitive component lower end；Temperature-sensitive component includes thermistor 45 and insulating support 44, insulating support 44
Upper end is correspondingly arranged through fixed plate 13 with upper lid 11, and the fixed plate 13 is provided with the limited block of the upper downward storke of lid 11 of limitation
17, insulating support 44 is flexibly connected with base 1 and the lower end of insulating support 44 is set with the linkage of microswitch 5；The temperature-sensitive electricity
The lead that resistance 45 is embedded on the upper end of insulating support 44 and thermistor 45 is arranged on insulating support 44.
Above-mentioned thermistor 45 is connected by lead with heater governor circuit, and upper lid 11 pushes process includes two rows
Journey, upper lid 11 is contacted and drives the two in the first stroke for pushing with thermistor 45 and thermal sensitive piece 15；Upper lid 11 is being pushed
Second stroke in insulating support 44 push triggering microswitch its output is had a pot signal, while thermal sensitive piece 15 contact fuse
Core 4 simultaneously drives it to excite overheating interruption device, and upper lid 11 is pushed until contradict limited block 17, now thermal sensitive piece 15 respectively with fusing
Core 4, ceramic bar 35 and PTC pyrotoxins 2 are contradicted, and sensor integrally enters mode of operation.
A kind of liquid heater using described PTC integrated sensors, the liquid heater includes that electric cooker, electricity are stewed
Pot, electric pressure cooking saucepan etc..
The above is only better embodiment of the invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (7)
1. sensing element is provided with a kind of PTC integrated sensors, including base (1), base (1), it is characterised in that：The base
(1) upper end is arranged with the upper lid (11) of self contained function corresponding thereto, and compression spring is provided between base (1) and upper lid (11)
(12), the upper lid (11) contradicts linkage in stroke is pushed with the sensing element in base (1)；The sensing element included
Hot breaker device, overheating interruption device is provided with hot holding meanss；
The hot holding meanss include PTC pyrotoxins (2), and PTC pyrotoxins (2) are provided with positive and negative two powered electrodes (21), PTC
Pyrotoxin (2) is equipped with upper lid (11) and PTC pyrotoxins (2) are in parallel with overheating interruption device even by powered electrode (21)
Connect；
Be provided with fixed plate (13) in the upper port of the base (1), the upper end of overheating interruption device through fixed plate (13) with it is upper
Lid (11) is equipped with, and PTC pyrotoxins (2) are equipped with fixed plate (13) and with upper lid (11), two powered electrodes
(21) it is connected in parallel with the two poles of the earth of overheating interruption device respectively through fixed plate (13)；
The overheating interruption device is provided with thermal cutoff device；
The fusing core (4) that the thermal cutoff device is made including hot melting plastic, fixed plate (13) is provided with fusing hole (14), fusing
Core (4) is arranged in fusing hole (14), and fusing core (4) upper end is equipped with upper lid (11)；Described fusing core (4) top sets
There is the closing in groove (43) less than its own external profile diameter；
Fusing spring (41), fusing core (4) lower end and fusing spring are provided between the lower end of fusing core (4) and base (1)
(41) tripper coordinated with overheating interruption device is provided between.
2. PTC integrated sensors according to claim 1, it is characterised in that：The overheating interruption device includes pin A
(31), pin B (32), contact A (33), contact B (34) and ceramic bar (35), pin A (31) and pin B (32) upper end are located at solid
In base (1) below fixed board (13), pin A (31), the lower end of pin B (32) are each passed through the mounting structure in base (1)
It is secured to connection；
The fixing end of the contact A (33) is connected with pin A (31) upper end, fixing end and pin B (32) upper end of contact B (34)
Connection, free end and the free end of contact B (34) of contact A (33) are equipped with；
The ceramic bar (35) is arranged in fixed plate (13) and ceramic bar (35) lower end is supported on contact B (34) free end,
Ceramic bar (35) upper end is equipped with upper lid (11)；
Described two powered electrodes (21) are arranged in fixed plate (13) respectively, and the lower end of two powered electrodes (21) contradicts respectively
It is connected on pin A (31) and pin B (32).
3. PTC integrated sensors according to claim 1, it is characterised in that：The tripper includes shift fork (42), dials
The one end for pitching (42) is fixedly connected with fusing spring (41) upper end, and the other end of shift fork (42) is supported and is located at contact A (33) free end
Top.
4. according to any described PTC integrated sensors of claim 1-3, it is characterised in that：The fixed plate (13) and upper lid
(11) thermal sensitive piece (15) is provided between, thermal sensitive piece (15) is connected with elastic spring (16) with fixed plate (13)；The thermal sensitive piece
(15) ceramic bar (35) with lower section, fusing core (4), PTC pyrotoxins (2) are equipped with；
The elastic spring (16) is in horizontal " u "-shaped structure setting, and the lower side of elastic spring (16) is solid with fixed plate (13)
Fixed connection, thermal sensitive piece (15) is connected oblique setting with the upper side edge of elastic spring (16)；The tilting of the thermal sensitive piece (15)
End ceramic bar (35) respectively with lower section, fusing core (4), PTC pyrotoxins (2) are equipped with.
5. PTC integrated sensors according to claim 1, it is characterised in that：The sensing element also includes temperature-sensitive component
With microswitch (5), the temperature-sensitive component can be located in base (1) up and downly, and temperature-sensitive component upper end is matched somebody with somebody with upper lid (11)
Linkage is closed, microswitch (5) is fixed at the base (1) below temperature-sensitive component Nei, and temperature-sensitive component lower end and microswitch (5)
Linkage is set.
6. PTC integrated sensors according to claim 5, it is characterised in that：The temperature-sensitive component includes thermistor
(45) and insulating support (44), insulating support (44) upper end is correspondingly arranged through fixed plate (13) with upper lid (11), the fixation
Plate (13) be provided with limitation on cover (11) downward storke limited block (17), insulating support (44) be flexibly connected with base (1) and
Linked with microswitch (5) and set in the lower end of insulating support (44)；The thermistor (45) is embedded on insulating support (44)
Lead on end and thermistor (45) is arranged on insulating support (44).
7. a kind of usage right requires the liquid heater of any described PTC integrated sensors of 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214519.4A CN104783668B (en) | 2015-04-30 | 2015-04-30 | PTC Integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214519.4A CN104783668B (en) | 2015-04-30 | 2015-04-30 | PTC Integrated sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104783668A CN104783668A (en) | 2015-07-22 |
| CN104783668B true CN104783668B (en) | 2017-05-17 |
Family
ID=53549201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214519.4A Expired - Fee Related CN104783668B (en) | 2015-04-30 | 2015-04-30 | PTC Integrated sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104783668B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797014B (en) * | 2015-04-30 | 2016-06-22 | 佛山市川东磁电股份有限公司 | A kind of integrated sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201422761Y (en) * | 2009-06-12 | 2010-03-17 | 佛山市川东热敏磁电有限公司 | Dry-burning preventing sensor of novel microcomputer electric rice cooker |
| CN104008919A (en) * | 2014-05-30 | 2014-08-27 | 佛山市川东照明科技有限公司 | Non-short-circuit type PTC power failure reset temperature controller |
| CN104523156A (en) * | 2015-02-03 | 2015-04-22 | 佛山市川东磁电股份有限公司 | Convenient-assembly sensor |
| CN104523155A (en) * | 2015-02-03 | 2015-04-22 | 佛山市川东磁电股份有限公司 | Action piece dry burning protection sensor |
| CN204636041U (en) * | 2015-04-30 | 2015-09-16 | 佛山市川东磁电股份有限公司 | A kind of PTC integrated sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1176048A (en) * | 1997-09-04 | 1999-03-23 | Matsushita Electric Ind Co Ltd | Rice cooker |
| CN204292909U (en) * | 2014-11-24 | 2015-04-29 | 九阳股份有限公司 | A kind of base of insulating pot |
-
2015
- 2015-04-30 CN CN201510214519.4A patent/CN104783668B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201422761Y (en) * | 2009-06-12 | 2010-03-17 | 佛山市川东热敏磁电有限公司 | Dry-burning preventing sensor of novel microcomputer electric rice cooker |
| CN104008919A (en) * | 2014-05-30 | 2014-08-27 | 佛山市川东照明科技有限公司 | Non-short-circuit type PTC power failure reset temperature controller |
| CN104523156A (en) * | 2015-02-03 | 2015-04-22 | 佛山市川东磁电股份有限公司 | Convenient-assembly sensor |
| CN104523155A (en) * | 2015-02-03 | 2015-04-22 | 佛山市川东磁电股份有限公司 | Action piece dry burning protection sensor |
| CN204636041U (en) * | 2015-04-30 | 2015-09-16 | 佛山市川东磁电股份有限公司 | A kind of PTC integrated sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104783668A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104797014B (en) | A kind of integrated sensor | |
| CN104783668B (en) | PTC Integrated sensor | |
| JPS63503020A (en) | safety cutting device | |
| US4394646A (en) | Temperature indicator for a glass ceramic cooking surface | |
| GB2384117A (en) | Thermal control | |
| CN204636041U (en) | A kind of PTC integrated sensor | |
| CN203325802U (en) | Double-metal thermal cutting machine | |
| CN100356652C (en) | Overload protector of single-phase AC motor | |
| CN103337410A (en) | Bimetal thermal cutter | |
| CA2284930A1 (en) | Universal electric chafer heater | |
| CN204707292U (en) | A kind of integrated sensor and use the liquid heater of this integrated sensor | |
| CN2504753Y (en) | Socket with improved temp induction control structure | |
| CN209994563U (en) | Temperature controller structure of electric heating pot | |
| CN201032523Y (en) | Temperature probe for heating ware | |
| CN213399329U (en) | Novel temperature controller | |
| CN2417803Y (en) | Safety protection apparatus for electric-heating cotainer | |
| CN201993656U (en) | Bimetallic strip temperature controller with thermal protection device | |
| CN204680619U (en) | A kind of anti-dry burning device | |
| CN210743872U (en) | Improved structure of coupler | |
| CN212113565U (en) | Temperature sensitive controller with self-fusing protector | |
| CN104779116B (en) | A kind of sensor-triggered structure | |
| CN201097234Y (en) | Temperature sensitive controller for cut-off automatic recovery | |
| CN112000152A (en) | Novel temperature controller | |
| CN1185669C (en) | Socket with improved temperature inducing control structure | |
| CN2370449Y (en) | Temperature controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20170517 |