CN104792433A - Vertical resistance sensor - Google Patents
Vertical resistance sensor Download PDFInfo
- Publication number
- CN104792433A CN104792433A CN201510214518.XA CN201510214518A CN104792433A CN 104792433 A CN104792433 A CN 104792433A CN 201510214518 A CN201510214518 A CN 201510214518A CN 104792433 A CN104792433 A CN 104792433A
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- upper cover
- support
- thermistor
- pin
- microswitch
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- Thermally Actuated Switches (AREA)
- Fuses (AREA)
Abstract
The invention relates to the technical field of temperature control sensor, in particular to a vertical resistance sensor. The vertical resistance sensor comprises a base, the upper end of the base is provided with an upper cover moving up and down relative to the base, a fixing plate is arranged in the base horizontally, a limiting mechanism matched with the upper cover is arranged on the fixing plate, a microswitch is arranged in the base under the fixing plate, and the microswitch and the upper cover are arranged in a linkage manner; a support capable of moving up and down is arranged between the fixing plate and the upper cover, a thermistor matched with the upper cover is arranged on the support, and return springs are arranged at two ends of the support and on the fixing plate. The vertical resistance sensor is reasonable in structure, the upper cover drives an actuating rod to enable the microswitch to send out a pot available signal, the upper cover butts against the thermistor to enable the thermistor to be connected with the microswitch so as to activate overheating power-off protection, and meanwhile a master control circuit is subjected to overcurrent protection by a fuse protector; through the independent acting upper cover, deformation loss of the sensing components in the frequent trigger process is reduced, and working stability and use safety of the sensor are improved.
Description
Technical field
The present invention relates to temperature control sensor technical field, particularly one is perpendicular puts electric resistance sensor.
Background technology
Dry-burning preventing sensor common in the market, comprise mounting cup, microswitch and switch supporting plate, microswitch arranges with in mounting cup, mounting cup is flexibly connected with switch supporting plate, and being provided with back-moving spring between mounting cup and switch supporting plate, switch supporting plate is fixed on mounting base, exercises the heater circuit on microswitch connection mounting base during use under mounting cup, heater circuit is in series with temperature-sensitive assembly, when mounting cup is released, then disconnects heater circuit.
In use there is more problem in the sensor of this vibrational power flow, in sensor, anti-dry breaker device and other fuse protections mechanism realize linking by the knee-action of mounting cup and trigger, anti-dry burning device and circuit need break-make frequently to connect electronic work, the power part part of anti-dry burning device and circuit, at a distance of comparatively closely easily there is arc and surface oxidation, causes the bad and overcurrent damage of sensor contacts; Each service part in sensor needs higher build-up tolerance when assembling, and causes that one-piece construction die sinking cost is higher, assembling difficulty; And existing anti-dry breaker device inner structure layout is comparatively compact, vibrational power flow is unreasonable causes security poor.Therefore prior art has yet to be improved and developed.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, provide the perpendicular of a kind of compact conformation, safety and stability to put electric resistance sensor.
For achieving the above object, the present invention is by the following technical solutions:
One of the present invention is perpendicular puts electric resistance sensor, comprise base, described base upper end is provided with the upper cover of knee-action corresponding thereto, in base, horizontal cross is provided with fixed head, fixed head is provided with the position-limit mechanism coordinated with upper cover, be provided with microswitch in base below fixed head, microswitch and upper cover link and arrange; Be provided with support movable up and down between described fixed head and upper cover, support is provided with the thermistor coordinated with upper cover, and two ends and the fixed head of support are equipped with back-moving spring.
Further, the fixed head below described support is provided with two structural sleeves, and the upper end of two structural sleeves is equipped with the two ends of support respectively, and the electrical terminals lower end of thermistor and microswitch are equipped with.
Further, described support is provided with mounting hole, and thermistor upper end is arranged through mounting hole is corresponding with upper cover;
Described position-limit mechanism is located at the side of support, and the fixed head of support opposite side is provided with locating piece, and locating piece is provided with chute near a side of support; Described position-limit mechanism upper end is provided with limiting plate, and limiting plate is provided with the buckle corresponding with locating piece; Described support both sides are equipped with web joint, and two web joints are connected on chute and buckle.
Further, the electrical terminals of described thermistor is provided with " Z " word bending part, and described bending part makes thermistor and back-moving spring link through back-moving spring upper end spiral contour; Described back-moving spring is arranged in structural sleeve, and the electrical terminals lower end of thermistor is equipped with through back-moving spring and microswitch.
Further, described position-limit mechanism upper surface is provided with mounting groove, and fuse is inlaid on mounting groove and the electrical terminals at fuse two ends is arranged on base.
Further, the both sides of limiting plate are equipped with it in falling the guide plate that " U " shape arranges, and two guide plates are detained respectively and are located at position-limit mechanism both sides, and limiting plate be located on fuse.
Further, described microswitch comprises pedestal and wing plate, and wing front edge of board is provided with two wing plates, and the symmetrical intervals of two wing plates are arranged, described pedestal to be arranged between two wing plates and pedestal respectively with the distal end articulated of two wing plates; Pin A and pin B is provided with in described pedestal, pin A is each passed through pedestal bottom plate with the lower end of pin B and is fixedly connected with it, pin B upper end is provided with the folding pointing to pin A, action movie is provided with between pin A upper end and pin B upper end, the stiff end of action movie is connected to the upper end of pin A, and action movie horizontally set and its free end are located at the below of folding; Tension spring is provided with between described wing plate and action movie movable end.
Further, the inner side of described wing plate far-end is provided with and "T"-shaped links end, and two side plates of pedestal one end are equipped with open slot, and the end that links on two wing plates is hinged on corresponding open slot respectively; Described fixed head is provided with pilot sleeve, is vertically equipped with actuating strut in pilot sleeve, and conflict and be connected on wing plate in actuating strut lower end, actuating strut upper end and upper cover are equipped with.
Further, the upper surface of described pedestal is provided with partition panel, and partition panel is provided with two relative interfaces; Described pin A upper end is provided with bending contact, bending contact and folding are located in corresponding interface respectively, the lower end of described two back-moving springs is each passed through structural sleeve to being located on partition panel, and two of thermistor electrical terminals lower ends are arranged on interface respectively.
Beneficial effect of the present invention is: the present invention is rational in infrastructure, and upper cover sweeping action bar makes microswitch send a pot signal, and upper cover conflict thermistor makes it be communicated with microswitch and activates overheated power-off protection, and fuse carries out overcurrent protection to governor circuit simultaneously; Reduce the deformation wear of sensing element in frequent trigger process by the upper cover of self contained function, improve job stability and the safety in utilization of sensor.
Accompanying drawing explanation
Fig. 1 is overall detonation configuration schematic diagram of the present invention;
Fig. 2 is confined explosion's refined structure schematic diagram of Fig. 1.
In figure:
1, base; 2, upper cover; 3, thermistor; 4, pedestal;
5, fuse; 11, mounting base; 12, fixed head; 13, position-limit mechanism;
14, mounting groove; 15, structural sleeve; 16, locating piece; 1, pilot sleeve;
21, Compress Spring; 22, guide housings; 31, support; 32, mounting hole;
33, back-moving spring; 34, web joint; 41, partition panel; 42, wing plate;
43, wing plate; 44, actuating strut; 45, pin A; 46, pin B;
47, action movie; 48, tension spring; 51, limiting plate; 52, guide plate;
53, buckle; 401, open slot; 411, interface; 431, end is linked;
451, bending contact; 461, folding.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
One of the present invention is perpendicular puts electric resistance sensor, comprise base 1, described base 1 upper end is provided with the upper cover 2 of knee-action corresponding thereto, in base 1, horizontal cross is provided with fixed head 12, fixed head 12 is provided with the position-limit mechanism 13 coordinated with upper cover 2, be provided with microswitch in base 1 below fixed head 12, microswitch and upper cover 2 link and arrange; Be provided with support 31 movable up and down between described fixed head 12 and upper cover 2, support 31 is provided with the thermistor 3 coordinated with upper cover 2, and two ends and the fixed head 12 of support 31 are equipped with back-moving spring 33.
As shown in Figure 1-2, above-mentioned parts are agent structure of the present invention, upper cover 2 under original state is in extreme higher position, upper cover 2 does not contact with thermistor 3, microswitch and support 31 etc., the press down stroke of upper cover 2 on base 1 of self contained function is divided into two sections, during priming stroke, upper cover 2 presses to and excites position, and now upper cover 2 contacts with microswitch and drives its trigger unit, and microswitch excites and exports to governor circuit a pot signal; Then upper cover 2 continues to press down and to conflict with thermistor 3 and to drive support 31 1 body action, and when upper cover 2 presses to and conflicts with position-limit mechanism 13, electrical terminals and the microswitch of thermistor 3 are conflicted and be connected thus activate overheat protective function; Back-moving spring 33 presses down in stroke at upper cover 2 and exports cushioning supportive power to support 31, and makes thermistor 3 and upper cover 2 keep in touch state, and back-moving spring 33, when upper cover 2 discharges, provides reset anchorage force to support 31 to support 31.
Fixed head 12 below above-mentioned support 31 is provided with two structural sleeves 15, the upper end of two structural sleeves 15 is equipped with the two ends of support 31 respectively, the electrical terminals lower end of thermistor 3 and microswitch are equipped with, the vertical projection of support 31 is that the figure of eight is arranged, after support 31 and upper cover 2 synchronously press down, upper cover 2 and position-limit mechanism 13 are conflicted, and structural sleeve 15 and support 31 are conflicted thus avoid thermistor 3 action excessive.
Above-mentioned support 31 is provided with mounting hole 32, and thermistor 3 upper end is arranged through mounting hole 32 is corresponding with upper cover 2; Described position-limit mechanism 13 is located at the side of support 31, and the fixed head 12 of support 31 opposite side is provided with locating piece 16, and locating piece 16 is provided with chute near a side of support 31; Described position-limit mechanism 13 upper end is provided with limiting plate 51, and limiting plate 51 is provided with the buckle 53 corresponding with locating piece 16; Described support 31 both sides are equipped with web joint 34, and two web joints 34 are connected on chute and buckle 53.
The vertical projection of above-mentioned support 31 is that the figure of eight is arranged, and fixed head 12 is provided with two structural sleeves 15, and back-moving spring 33 is arranged in structural sleeve 15, and the two ends of back-moving spring 33 are respectively to being located between support 31 and microswitch; The electrical terminals of thermistor 3 is provided with " Z " word bending part, and described bending part makes thermistor 3 and back-moving spring 33 link through back-moving spring 33 upper end spiral contour, the electrical terminals lower end of thermistor 3 is equipped with through back-moving spring 33 and microswitch; The electrical terminals of thermistor 3 connects and then synchronous knee-action with back-moving spring 33 upper end; conflict with support 31 and be connected in back-moving spring 33 upper end; and then press down in process at upper cover 2; thermistor 3 is constant with the horizontal relative position of support 31; thermistor 3 upper end is exposed mounting hole 32 and is conflicted with upper cover 2 and coordinate; thus after the connection terminal of thermistor 3 connection microswitch circuit, receive upper cover 2 and conduct temperature rise change and then realize controlling the overheating protection of main circuit.
The preferred thermistor of the present invention 3 is bullet-shaped, thermistor 3 lower end is connected in integrative-structure by electrical terminals with back-moving spring 33, mounting hole 32 adopts thermistor 3 upper end after making assembling with the aperture of thermistor 3 adaptation to expose support 31 upper surface, arranges the assembling that can improve sensor like this and simply replaces efficiency.
Above-mentioned position-limit mechanism 13 upper surface is provided with mounting groove 14, and fuse 5 is inlaid on mounting groove 14 and the electrical terminals at fuse 5 two ends is arranged on base 1; Fuse 5 is direct with master control borad, connects thus under the overload situations of circuit two ends, protects the use safety of sensor entirety.
Above-mentioned position-limit mechanism 13 upper end is provided with limiting plate 51, the both sides of limiting plate 51 are equipped with it in falling the guide plate 52 that " U " shape arranges, two guide plates 52 are detained respectively and are located at position-limit mechanism 13 both sides and limiting plate 51 and fuse 5 are conflicted and arranged, fuse 5 is assemblied in base 1 by position-limit mechanism 13, position-limit mechanism 13 adopts and entirely surrounds insulation structure, mounting groove 14 two ends arrange opening, the electrical terminals at fuse 5 two ends is arranged in opening, can effectively improve overall assembly performance and safety in utilization.
Above-mentioned microswitch comprises pedestal 4 and wing plate 42, and wing plate 42 front end is provided with the symmetrical interval of two wing plates, 43, two wing plates 43 and arranges, described pedestal 4 to be arranged between two wing plates 43 and pedestal 4 respectively with the distal end articulated of two wing plates 43; Pin A45 and pin B46 is provided with in described pedestal 4, pin A45 and the lower end of pin B46 are each passed through pedestal 4 base plate and are fixedly connected with it, pin B46 upper end is provided with the folding 461 pointing to pin A45, action movie 47 is provided with between pin A45 upper end and pin B46 upper end, the stiff end of action movie 47 is connected to the upper end of pin A45, and action movie 47 horizontally set and its free end are located at the below of folding 461; Tension spring 48 is provided with between described 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 horizontally set, wing plate 43 keeps horizontal mobile equilibrium by tension spring 48 and action movie 47, tension spring 48 tractive force out of trim when wing plate 43 rotates and between action movie 47, action movie 47 is beated and is produced disjunction between folding 461 and connection status changes, thus between pin A45 and pin B46 two-stage, produce make-and-break signal output, when the voltage overload at pin A45 and pin B46 two ends, action movie 47 is overheated to be caused flexural deformation thus cuts off between pin A45 and pin B46 connecting, realize the overcurrent protection function of microswitch.
The inner side of above-mentioned wing plate 43 far-end is provided with and "T"-shaped links end 431, and two side plates of pedestal 4 one end are equipped with open slot 401, and the end 431 that links on two wing plates 43 is hinged on corresponding open slot 401 respectively; Described fixed head is provided with pilot sleeve, is vertically equipped with actuating strut 44 in pilot sleeve, and conflict and be connected on wing plate 42 in actuating strut 44 lower end, actuating strut 44 upper end and upper cover 2 are equipped with.
The upper surface of said base 4 is provided with partition panel 41, and partition panel 41 is provided with two relative interfaces 411; Described pin A45 upper end is provided with bending contact 451, bending contact 451 and folding 461 are located in corresponding interface 411 respectively, the lower end of described two back-moving springs 33 is each passed through structural sleeve 15 to being located on partition panel 41, and two of thermistor 3 electrical terminals lower ends are arranged on interface 411 respectively.
Be provided with Compress Spring 21 between the preferred upper cover 2 of the present invention and base 1, the outer rim of base 1 lower port is provided with the mounting base 11 of annular, and the outside of base 1 is arranged with guide housings 22, and guide housings 22 lower end is connected with mounting base 11; Described upper cover 2 is connected with guide housings 22 movable upper end, the two ends up and down of Compress Spring 21 are respectively to being located on upper cover 2 and mounting base 11, upper cover 2 realizes knee-action by Compress Spring 21 and resets, when the interior pot of electric heating appliance is put into, upper cover 2 presses down along guide housings 22, upper cover 2 crosswise movement deviation can be avoided, now Compress Spring 21 provides cushioning supportive power, and after interior pot takes out, Compress Spring drives that upper cover 2 is up to restPose.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (9)
1. perpendicular put electric resistance sensor for one kind, comprise base (1), it is characterized in that: described base (1) upper end is provided with the upper cover (2) of knee-action corresponding thereto, base (1) interior horizontal cross is provided with fixed head (12), fixed head (12) is provided with the position-limit mechanism (13) coordinated with upper cover (2), be provided with microswitch in fixed head (12) below base (1), microswitch and upper cover (2) link and arrange; Support movable up and down (31) is provided with between described fixed head (12) and upper cover (2), support (31) is provided with the thermistor (3) coordinated with upper cover (2), and two ends and the fixed head (12) of support (31) are equipped with back-moving spring (33).
2. according to claim 1 erecting puts electric resistance sensor, it is characterized in that: the fixed head (12) of described support (31) below is provided with two structural sleeves (15), the upper end of two structural sleeves (15) is equipped with the two ends of support (31) respectively, and electrical terminals lower end and the microswitch of thermistor (3) are equipped with.
3. according to claim 1 erecting puts electric resistance sensor, it is characterized in that: described support (31) is provided with mounting hole (32), thermistor (3) upper end is arranged through mounting hole (32) is corresponding with upper cover (2);
Described position-limit mechanism (13) is located at the side of support (31), the fixed head (12) of support (31) opposite side is provided with locating piece (16), and locating piece (16) is provided with chute near a side of support (31); Described position-limit mechanism (13) upper end is provided with limiting plate (51), and limiting plate (51) is provided with the buckle (53) corresponding with locating piece (16);
Described support (31) both sides are equipped with web joint (34), and two web joints (34) are connected on chute and buckle (53).
4. described perpendicularly put electric resistance sensor according to claim 1-3 is arbitrary, it is characterized in that: the electrical terminals of described thermistor (3) is provided with " Z " word bending part, and described bending part makes thermistor (3) and back-moving spring (33) link through back-moving spring (33) upper end spiral contour; Described back-moving spring (33) is arranged in structural sleeve (15), and the electrical terminals lower end of thermistor (3) is equipped with through back-moving spring (33) and microswitch.
5. described perpendicularly put electric resistance sensor according to claim 1-3 is arbitrary, it is characterized in that: described position-limit mechanism (13) upper surface is provided with mounting groove (14), fuse (5) is inlaid in the upper and electrical terminals at fuse (5) two ends of mounting groove (14) and is arranged on base (1).
6. according to claim 5 erecting puts electric resistance sensor, it is characterized in that: the both sides of limiting plate (51) are equipped with it in falling the guide plate (52) that " U " shape arranges, two guide plates (52) are detained respectively and are located at position-limit mechanism (13) both sides, and limiting plate (51) be located on fuse (5).
7. according to claim 1 erecting puts electric resistance sensor, it is characterized in that: described microswitch comprises pedestal (4) and wing plate (42), wing plate (42) front end is provided with two wing plates (43), the symmetrical intervals of two wing plates (43) are arranged, described pedestal (4) to be arranged between two wing plates (43) and pedestal (4) respectively with the distal end articulated of two wing plates (43); Pin A (45) and pin B (46) is provided with in described pedestal (4), pin A (45) and the lower end of pin B (46) are each passed through pedestal (4) base plate and are fixedly connected with it, pin B (46) upper end is provided with the folding (461) pointing to pin A (45), action movie (47) is provided with between pin A (45) upper end and pin B (46) upper end, the stiff end of action movie (47) is connected to the upper end of pin A (45), and action movie (47) horizontally set and its free end are located at the below of folding (461); Tension spring (48) is provided with between described wing plate (42) and action movie (47) movable end.
8. according to claim 7 erecting puts electric resistance sensor, it is characterized in that: the inner side of described wing plate (43) far-end is provided with and "T"-shaped links end (431), two side plates of pedestal (4) one end are equipped with open slot (401), and the end (431) that links on two wing plates (43) is hinged on corresponding open slot (401) respectively; Described fixed head is provided with pilot sleeve, actuating strut (44) is vertically equipped with in pilot sleeve, conflict and be connected on wing plate (42) in actuating strut (44) lower end, actuating strut (44) upper end and upper cover (2) are equipped with.
9. according to claim 7 erecting puts electric resistance sensor, and it is characterized in that: the upper surface of described pedestal (4) is provided with partition panel (41), partition panel (41) is provided with two relative interfaces (411); Described pin A (45) upper end is provided with bending contact (451), bending contact (451) and folding (461) are located in corresponding interface (411) respectively, the lower end of described two back-moving springs (33) is each passed through structural sleeve (15) to being located on partition panel (41), and two electrical terminals lower ends of thermistor (3) are arranged on interface (411) respectively.
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 true CN104792433A (en) | 2015-07-22 |
| CN104792433B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719904A (en) * | 2016-04-22 | 2016-06-29 | 佛山市富乐喜电子信息技术有限公司 | Compactly-assembled temperature controller |
| WO2016173413A1 (en) * | 2015-04-30 | 2016-11-03 | 佛山市川东磁电股份有限公司 | Integrated sensor |
| DE102017218554A1 (en) * | 2017-10-18 | 2019-04-18 | BSH Hausgeräte GmbH | Temperature monitoring device and household appliance with the temperature monitoring device |
| CN111829677A (en) * | 2020-07-24 | 2020-10-27 | 方舟 | Thin film thermistor sensor |
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| WO2002009561A1 (en) * | 2000-07-25 | 2002-02-07 | Liu, Xinhao | A temperature controller for a liquid heater |
| US20040066269A1 (en) * | 2000-05-30 | 2004-04-08 | Truong Nguyen | Bimetal snap disc thermostat with heaters |
| 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 |
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2015
- 2015-04-30 CN CN201510214518.XA patent/CN104792433B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040066269A1 (en) * | 2000-05-30 | 2004-04-08 | Truong Nguyen | Bimetal snap disc thermostat with heaters |
| WO2002009561A1 (en) * | 2000-07-25 | 2002-02-07 | Liu, Xinhao | A temperature controller for a liquid heater |
| 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 |
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| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016173413A1 (en) * | 2015-04-30 | 2016-11-03 | 佛山市川东磁电股份有限公司 | Integrated sensor |
| CN105719904A (en) * | 2016-04-22 | 2016-06-29 | 佛山市富乐喜电子信息技术有限公司 | Compactly-assembled temperature controller |
| DE102017218554A1 (en) * | 2017-10-18 | 2019-04-18 | BSH Hausgeräte GmbH | Temperature monitoring device and household appliance with the temperature monitoring device |
| CN111829677A (en) * | 2020-07-24 | 2020-10-27 | 方舟 | Thin film thermistor sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104792433B (en) | 2017-07-21 |
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Granted publication date: 20170721 |
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