CN104792433B - One kind is vertically arranged electric resistance sensor - Google Patents
One kind is vertically arranged electric resistance sensor Download PDFInfo
- Publication number
- CN104792433B CN104792433B CN201510214518.XA CN201510214518A CN104792433B CN 104792433 B CN104792433 B CN 104792433B CN 201510214518 A CN201510214518 A CN 201510214518A CN 104792433 B CN104792433 B CN 104792433B
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- support
- upper lid
- fixed plate
- pin
- thermistor
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- Thermally Actuated Switches (AREA)
- Fuses (AREA)
Abstract
The present invention relates to temperature control sensor technical field, more particularly to one kind is vertically arranged electric resistance sensor.Including base, the base upper end is provided with horizontal cross in the upper lid moved up and down corresponding thereto, base and is provided with fixed plate, and fixed plate, which is provided with below the position-limit mechanism coordinated with upper lid, fixed plate, is provided with microswitch in base, microswitch is set with upper lid linkage；Support movable up and down is provided between the fixed plate and upper lid, support is provided with the thermistor coordinated with upper lid, and two ends and the fixed plate of support are equipped with back-moving spring.The present invention is rational in infrastructure, and upper cover strip, which moves actuating strut, makes microswitch send a pot signal, and upper lid, which contradicts thermistor, makes it connect activation overheat power-off protection with microswitch, while fuse carries out overcurrent protection to governor circuit；Deformation wear of the sensing element in frequent trigger process is reduced by the upper lid of self contained function, the job stability and safety in utilization of sensor is improved.
Description
Technical field
The present invention relates to temperature control sensor technical field, more particularly to one kind is vertically arranged electric resistance sensor.
Background technology
Common dry-burning preventing sensor, including mounting cup, microswitch and switch supporting plate in the market, microswitch is set
Put with mounting cup, mounting cup with switch supporting plate is flexibly connected, and mounting cup and switch supporting plate between be provided with back-moving spring, switch
Supporting plate is fixed on mounting base, and the heater circuit that microswitch is connected on mounting base is exercised under mounting cup when using, heating
Temperature-sensitive component is in series with circuit, heater circuit is then disconnected when mounting cup is released.
There is in more problem, sensor anti-dry breaker device and other in use in the sensor of this structure setting
Fuse protection mechanism realizes linkage triggering by the up and down action of mounting cup, and frequently break-make connects anti-dry burning device with circuit needs
The power part part of electronic work, anti-dry burning device and circuit causes sensor to connect at a distance of relatively closely easily there is arc and surface oxidation
Touch bad and overcurrent damage；Each workpiece in sensor needs higher build-up tolerance in assembling, causes overall structure
Die sinking cost is higher, assembling is difficult；And existing anti-dry breaker device internal structure layout is more compact, structure setting does not conform to
Reason causes security poor.Therefore prior art has yet to be improved and developed.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of compact conformation, safety and stability
It is vertically arranged electric resistance sensor.
To achieve the above object, the present invention uses following technical scheme：
One kind of the present invention is vertically arranged electric resistance sensor, including base, and the base upper end is provided with above and below corresponding thereto
Horizontal cross is provided with fixed plate in the upper lid of action, base, and fixed plate is provided with the position-limit mechanism coordinated with upper lid, fixed plate
Microswitch is provided with square base, microswitch is set with upper lid linkage；Being provided between the fixed plate and upper lid can be living up and down
Dynamic support, support is provided with the thermistor coordinated with upper lid, and two ends and the fixed plate of support are equipped with back-moving spring.
Further, the fixed plate below the support is provided with two structural sleeves, the upper end point of two structural sleeves
Two ends not with support are equipped with, and electrical terminals lower end and the microswitch of thermistor are equipped with.
Further, the support is provided with mounting hole, and thermistor upper end is correspondingly arranged through mounting hole with upper lid；
The position-limit mechanism is located at the side of support, and the fixed plate of support opposite side is provided with locating piece, and locating piece is leaned on
The one side of nearly support is provided with chute；The position-limit mechanism upper end is provided with limiting plate, and limiting plate is provided with corresponding with locating piece
Buckle；The support both sides are equipped with connecting plate, and two connecting plates are connected on chute and buckle.
Further, the electrical terminals of the thermistor are provided with " Z " word bending part, and the bending part is passed through and resetted
Spring upper end spiral contour makes thermistor be linked with back-moving spring；The back-moving spring is arranged in structural sleeve, and temperature-sensitive
The electrical terminals lower end of resistance is equipped with through back-moving spring with microswitch.
Further, the position-limit mechanism upper surface is provided with mounting groove, and fuse is inlaid on mounting groove and fuse two
The electrical terminals at end are arranged on base.
Further, the both sides of limiting plate are equipped with the guide plate set with it in inverted " u "-shaped, and two guide plates are detained respectively
Located at position-limit mechanism both sides, and limiting plate be located on fuse.
Further, the microswitch includes pedestal and wing plate, and wing front edge of board is provided with two wing plates, and two wing plates are symmetrical
It is arranged at intervals, the pedestal is arranged between two wing plates and the distal end articulated of pedestal respectively with two wing plates；In the pedestal
Provided with pin A and pin B, pin A and pin B lower end are each passed through pedestal bottom plate and are secured to connection, and pin B upper ends are provided with
Pin A folding is pointed to, action movie is provided between pin A upper ends and pin B upper ends, the fixing end of action movie is connected to pin A
Upper end, action movie laterally set and its free end be located at folding lower section；It is provided between the wing plate and action movie movable end
Tension spring.
Further, the inner side of the wing plate distal end connects provided with "T"-shaped card and is all provided with end, two side plates of pedestal one end
There is the card on open slot, two wing plates to connect end to be respectively hinged on corresponding open slot；The fixed plate is provided with pilot sleeve,
Vertical in pilot sleeve to be equipped with actuating strut, actuating strut lower end is contradicted and is connected on wing plate, and actuating strut upper end is set with upper lid cooperation
Put.
Further, the upper surface of the pedestal is provided with partition panel, and partition panel is provided with two relative interfaces；It is described
Pin A upper ends are provided with bending contact, and bending contact and folding are respectively arranged in corresponding interface, under described two back-moving springs
End is each passed through structural sleeve and supported on partition panel, and two electrical terminals lower ends of thermistor are arranged in interface respectively
On.
The present invention has the beneficial effect that：The present invention is rational in infrastructure, and upper cover strip, which moves actuating strut, makes microswitch send a pot signal,
Upper lid, which contradicts thermistor, makes it connect activation overheat power-off protection with microswitch, while fuse was carried out to governor circuit
Stream protection；Deformation wear of the sensing element in frequent trigger process is reduced by the upper lid of self contained function, sensor is improved
Job stability and safety in utilization.
Brief description of the drawings
Fig. 1 is the overall configuration schematic diagram of the present invention；
Fig. 2 is Fig. 1 confined explosion's refinement structural representation.
In figure：
1st, base；2nd, upper lid；3rd, thermistor；4th, pedestal；
5th, fuse；11st, mounting base；12nd, fixed plate；13rd, position-limit mechanism；
14th, mounting groove；15th, structural sleeve；16th, locating piece；1st, pilot sleeve；
21st, compression spring；22nd, guide housings；31st, support；32nd, mounting hole；
33rd, back-moving spring；34th, connecting plate；41st, partition panel；42nd, wing plate；
43rd, wing plate；44th, actuating strut；45th, pin A；46th, pin B；
47th, action movie；48th, tension spring；51st, limiting plate；52nd, guide plate；
53rd, buckle；401st, open slot；411st, interface；431st, card connects end；
451st, bending contact；461st, folding.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
One kind of the present invention is vertically arranged electric resistance sensor, including base 1, and the upper end of base 1 is provided with corresponding thereto
Horizontal cross is provided with fixed plate 12 in the upper lid 2 of lower action, base 1, and fixed plate 12 is provided with the position-limit mechanism coordinated with upper lid 2
13, the lower section base 1 of fixed plate 12 is interior provided with microswitch, and microswitch links with upper lid 2 and set；The fixed plate 12 and upper lid
Between 2 be provided with support 31 movable up and down, support 31 be provided with upper lid 2 coordinate thermistor 3, the two ends of support 31 with
Fixed plate 12 is equipped with back-moving spring 33.
As shown in Figure 1-2, above-mentioned part is agent structure of the present invention, the upper lid 2 under original state in extreme higher position, on
Lid 2 and thermistor 3, microswitch and support 31 etc. are not contacted, and the upper lid 2 of self contained function pushes stroke on base 1
It is divided into two sections, upper lid 2, which is pressed to, during priming stroke excites position, and now upper lid 2 contacts with microswitch and drives its trigger unit
Part, microswitch excites and has a pot signal to governor circuit output；Then upper lid 2 continues to push and contradicted with thermistor 3 and band
The dynamic one of support 31 action, upper lid 2 is pressed to when being contradicted with position-limit mechanism 13, the electrical terminals and microswitch of thermistor 3
Connection is contradicted to activate overheat protective function；Back-moving spring 33 exports cushioning supportive in upper lid 2 pushes stroke to support 31
Power, and make thermistor 3 and upper lid 2 keep contact condition, back-moving spring 33 is when upper lid 2 discharges, to support 31 to support 31
There is provided and reset support force.
The fixed plate 12 of the above-mentioned lower section of support 31 is provided with two structural sleeves 15, the upper end difference of two structural sleeves 15
Be equipped with the two ends of support 31, electrical terminals lower end and the microswitch of thermistor 3 are equipped with, support 31 it is vertical
Projection is set in the figure of eight, support 31 and upper lid 2 synchronously push after, upper lid 2 is contradicted with position-limit mechanism 13, structural sleeve 15 and
Support 31 contradicts to avoid thermistor 3 from acting excessively.
Above-mentioned support 31 is provided with mounting hole 32, and the upper end of thermistor 3 is correspondingly arranged through mounting hole 32 with upper lid 2；Institute
The side that position-limit mechanism 13 is located at support 31 is stated, the fixed plate 12 of the opposite side of support 31 is provided with locating piece 16, and locating piece 16
One side close to support 31 is provided with chute；The upper end of position-limit mechanism 13 be provided with limiting plate 51, limiting plate 51 be provided with
The corresponding buckle 53 of locating piece 16；The both sides of support 31 are equipped with connecting plate 34, and two connecting plates 34 are connected to chute
On buckle 53.
The vertical projection of above-mentioned support 31 is set in the figure of eight, and fixed plate 12 resets bullet provided with two structural sleeves 15
Spring 33 is arranged in structural sleeve 15, and the two ends of back-moving spring 33 are supported located between support 31 and microswitch respectively；Temperature-sensitive
The electrical terminals of resistance 3 are provided with " Z " word bending part, and the bending part makes temperature-sensitive through the upper end spiral contour of back-moving spring 33
Resistance 3 is linked with back-moving spring 33, and the electrical terminals lower end of thermistor 3 coordinates through back-moving spring 33 with microswitch to be set
Put；The electrical terminals of thermistor 3 are connected and then synchronous up and down action with the upper end of back-moving spring 33, the upper end of back-moving spring 33 and branch
Frame 31 contradicts connection, and then during upper lid 2 is pushed, the horizontal relative position of thermistor 3 and support 31 is constant, temperature-sensitive electricity
Hinder 3 upper ends and expose mounting hole 32 and the conflict cooperation of upper lid 2, so that the binding post of thermistor 3 is connected after microswitch circuit,
The conduction of lid 2 temperature rise changes and then realizes that the overtemperature protection to main circuit is controlled in reception.
Currently preferred thermistor 3 is bullet-shaped, and the lower end of thermistor 3 passes through electrical terminals and back-moving spring 33
Connection is in integrative-structure, and mounting hole 32 makes the upper end of the thermistor after assembling 3 expose branch using the aperture being adapted to thermistor 3
The upper surface of frame 31, so sets the assembling that can improve sensor and simple replacement efficiency.
The above-mentioned upper surface of position-limit mechanism 13 is provided with mounting groove 14, and fuse 5 is inlaid on mounting groove 14 and the two ends of fuse 5
Electrical terminals be arranged on base 1；With master control borad directly, connection is so as to the protection under the overload situations of circuit two ends for fuse 5
Using for sensor entirety is safe.
The above-mentioned upper end of position-limit mechanism 13 is provided with limiting plate 51, and the both sides of limiting plate 51 are equipped with to be set with it in inverted " u "-shaped
Guide plate 52, two guide plates 52 detain to contradict with fuse 5 located at the both sides of position-limit mechanism 13 and limiting plate 51 respectively and set, melt
Disconnected device 5 is assemblied in base 1 by position-limit mechanism 13, and position-limit mechanism 13 surrounds insulation structure, 14 liang of mounting groove using complete
End sets opening, and the electrical terminals at the two ends of fuse 5 are arranged in opening, can effectively improve overall assembly performance and using safety
Property.
Above-mentioned microswitch includes pedestal 4 and wing plate 42, and the front end of wing plate 42 is provided with two wing plates 43, and two wing plates 43 are symmetrical
It is arranged at intervals, the pedestal 4 is arranged between two wing plates 43 and the distal end articulated of pedestal 4 respectively with two wing plates 43；It is described
The lower end provided with pin A45 and pin B46, pin A45 and pin B46 is each passed through the bottom plate of pedestal 4 and is secured to company in pedestal 4
Connect, pin B46 upper ends are provided with action movie provided with the folding 461 for pointing to pin A45 between pin A45 upper ends and pin B46 upper ends
47, the fixing end of action movie 47 is connected to pin A45 upper end, and action movie 47 is laterally set and its free end is located at folding 461
Lower section；Tension spring 48 is provided between wing plate 42 and action movie 47 movable end.
Above-mentioned wing plate 42 is structure as a whole with wing plate 43 and entirety is in laterally setting, and wing plate 43 is by tension spring 48 with moving
Make the dynamic equilibrium that piece 47 keeps horizontal, the tractive force of tension spring 48 when wing plate 43 is rotated down between action movie 47 loses
Balance, action movie 47 is beated produces disjunction and connection status change between folding 461, so that in pin A45 and pin B46 two
Make-and-break signal output is produced between level, in the voltage overload at pin A45 and pin B46 two ends, the overheat of action movie 47 causes curved
Song deformation connects so as to cut off between pin A45 and pin B46, realizes the overcurrent protection function of microswitch.
The inner side of the above-mentioned distal end of wing plate 43 connects provided with "T"-shaped card to be equipped with end 431, two side plates of the one end of pedestal 4
Card on open slot 401, two wing plates 43 connects end 431 and is respectively hinged on corresponding open slot 401；The fixed plate is provided with
Vertical in pilot sleeve, pilot sleeve to be equipped with actuating strut 44, the lower end of actuating strut 44 contradicts and is connected on wing plate 42, actuating strut 44
Upper end is equipped with upper lid 2.
The upper surface of said base 4 is provided with partition panel 41, and partition panel 41 is provided with two relative interfaces 411；It is described
Pin A45 upper ends are provided with bending contact 451, and bending contact 451 and folding 461 are respectively arranged in corresponding interface 411, and described two
The lower end of individual back-moving spring 33 is each passed through structural sleeve 15 and supported on partition panel 41, and two power connection ends of thermistor 3
Sub- lower end is arranged on interface 411 respectively.
Compression spring 21 is provided between currently preferred upper lid 2 and base 1, the outer rim of the lower port of base 1 is provided with ring
The mounting base 11 of shape, the outer sheath of base 1 is provided with guide housings 22, and the lower end of guide housings 22 is connected with mounting base 11；Institute
State lid 2 to be flexibly connected with the upper end of guide housings 22, the upper and lower ends of compression spring 21 are supported respectively is located at upper lid 2 and mounting base
On 11, upper lid 2 is realized to move up and down by compression spring 21 to be resetted, and lid 2 is gone up when the interior pot of electric heating appliance is put into along guide housings
22 push, and can avoid the crosswise movement deviation of lid 2, and now compression spring 21 provides cushioning supportive power, and interior pot compresses bullet after taking out
Spring drives above lid 2 is up to restPose.
Described above is only the better embodiment of the present 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. one kind is vertically arranged electric resistance sensor, including base (1), it is characterised in that：Base (1) upper end is provided with corresponding thereto
The upper lid (2) of lower action, base (1) interior horizontal cross is provided with fixed plate (12), and fixed plate (12) is provided with to be coordinated with upper lid (2)
Position-limit mechanism (13), microswitch is provided with below fixed plate (12) in base (1), microswitch is set with upper lid (2) linkage；
Support movable up and down (31) is provided between the fixed plate (12) and upper lid (2), support (31) is provided with matches somebody with somebody with upper lid (2)
The thermistor (3) of conjunction, two ends and the fixed plate (12) of support (31) are equipped with back-moving spring (33)；
Fixed plate (12) below the support (31) is provided with two structural sleeves (15), the upper end of two structural sleeves (15)
The two ends with support (31) are equipped with respectively, and the electrical terminals lower end of thermistor (3) is equipped with microswitch；
The support (31) is provided with mounting hole (32), and thermistor (3) upper end covers that (2) are corresponding sets through mounting hole (32) with upper
Put；
The position-limit mechanism (13) is located at the side of support (31), and the fixed plate (12) of support (31) opposite side is provided with locating piece
(16), and locating piece (16) close to support (31) one side be provided with chute；Position-limit mechanism (13) upper end is provided with spacing
Plate (51), limiting plate (51) is provided with buckle (53) corresponding with locating piece (16)；
Support (31) both sides are equipped with connecting plate (34), and two connecting plates (34) are connected to chute and buckle (53)
On.
2. according to claim 1 be vertically arranged electric resistance sensor, it is characterised in that：The electrical terminals of the thermistor (3)
" Z " word bending part is provided with, and the bending part makes thermistor (3) and reset through back-moving spring (33) upper end spiral contour
Spring (33) links；The back-moving spring (33) is arranged in structural sleeve (15), and the electrical terminals lower end of thermistor (3)
It is equipped with through back-moving spring (33) with microswitch.
3. according to claim 1 be vertically arranged electric resistance sensor, it is characterised in that：Position-limit mechanism (13) upper surface is provided with
Mounting groove (14), the electrical terminals that fuse (5) is inlaid on mounting groove (14) and fuse (5) two ends are arranged in base (1)
On.
4. according to claim 3 be vertically arranged electric resistance sensor, it is characterised in that：The both sides of limiting plate (51) are equipped with and it
The guide plate (52) set in inverted " u "-shaped, two guide plates (52) are detained located at position-limit mechanism (13) both sides, and limiting plate respectively
(51) it be located on fuse (5).
5. according to claim 1 be vertically arranged electric resistance sensor, it is characterised in that：The microswitch include pedestal (4) and
Wing plate (42), wing plate (42) front end is symmetrically arranged at intervals provided with two wing plates (43), two wing plates (43), and the pedestal (4) is worn
Between two wing plates (43) and the distal end articulated of pedestal (4) respectively with two wing plates (43)；Provided with slotting in the pedestal (4)
Pin A (45) and pin B (46), pin A (45) and pin B (46) lower end are each passed through pedestal (4) bottom plate and are secured to connection,
Pin B (46) upper end is set provided with the folding (461) for pointing to pin A (45) between pin A (45) upper ends and pin B (46) upper end
Have an action movie (47), the fixing end of action movie (47) is connected to the upper end of pin A (45), action movie (47) laterally set and its from
By holding located at the lower section of folding (461)；Tension spring (48) is provided between the wing plate (42) and action movie (47) movable end.
6. according to claim 5 be vertically arranged electric resistance sensor, it is characterised in that：The inner side of wing plate (43) distal end is provided with
"T"-shaped card, which connects, to be equipped with end (431), two side plates of pedestal (4) one end on open slot (401), two wing plates (43)
Even end (431) are respectively hinged on corresponding open slot (401) card；The fixed plate is provided with pilot sleeve, pilot sleeve
Vertical to be equipped with actuating strut (44), actuating strut (44) lower end contradicts and is connected on wing plate (42), actuating strut (44) upper end and upper lid
(2) it is equipped with.
7. according to claim 5 be vertically arranged electric resistance sensor, it is characterised in that：The upper surface of the pedestal (4) is provided with
Partition panel (41), partition panel (41) is provided with two relative interfaces (411)；Pin A (45) upper end is provided with bending contact
(451), bending contact (451) and folding (461) are respectively arranged in corresponding interface (411), described two back-moving springs (33)
Lower end be each passed through structural sleeve (15) and support on the partition panel (41), and two electrical terminals lower ends of thermistor (3)
It is arranged in respectively on interface (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214518.XA CN104792433B (en) | 2015-04-30 | 2015-04-30 | One kind is vertically arranged electric resistance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214518.XA CN104792433B (en) | 2015-04-30 | 2015-04-30 | One kind is vertically arranged electric resistance sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104792433A CN104792433A (en) | 2015-07-22 |
| CN104792433B true CN104792433B (en) | 2017-07-21 |
Family
ID=53557425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214518.XA Expired - Fee Related CN104792433B (en) | 2015-04-30 | 2015-04-30 | One kind is vertically arranged electric resistance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104792433B (en) |
Families Citing this family (4)
| 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 |
| CN105719904B (en) * | 2016-04-22 | 2018-01-02 | 佛山市富乐喜电子信息技术有限公司 | A kind of compact assembling temperature controller |
| DE102017218554A1 (en) * | 2017-10-18 | 2019-04-18 | BSH Hausgeräte GmbH | Temperature monitoring device and household appliance with the temperature monitoring device |
| CN111829677B (en) * | 2020-07-24 | 2021-12-21 | 深圳市伟林高科技股份有限公司 | Thin film thermistor sensor |
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|---|---|---|---|---|
| CN103690056A (en) * | 2013-12-20 | 2014-04-02 | 阮保清 | Anti-dry heating device of electric rice cooker |
| 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 |
| CN204649328U (en) * | 2015-04-30 | 2015-09-16 | 佛山市川东磁电股份有限公司 | A kind of erecting puts electric resistance sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6597274B1 (en) * | 2000-05-30 | 2003-07-22 | Therm-O-Disc, Incorporated | Bimetal snap disc thermostat with heaters |
| CN1125387C (en) * | 2000-07-25 | 2003-10-22 | 刘鑫浩 | Temp controller for liquid heater |
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2015
- 2015-04-30 CN CN201510214518.XA patent/CN104792433B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103690056A (en) * | 2013-12-20 | 2014-04-02 | 阮保清 | Anti-dry heating device of electric rice cooker |
| 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 |
| CN204649328U (en) * | 2015-04-30 | 2015-09-16 | 佛山市川东磁电股份有限公司 | A kind of erecting puts electric resistance sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104792433A (en) | 2015-07-22 |
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