CN104779116B - A kind of sensor-triggered structure - Google Patents
A kind of sensor-triggered structure Download PDFInfo
- Publication number
- CN104779116B CN104779116B CN201510214569.2A CN201510214569A CN104779116B CN 104779116 B CN104779116 B CN 104779116B CN 201510214569 A CN201510214569 A CN 201510214569A CN 104779116 B CN104779116 B CN 104779116B
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- China
- Prior art keywords
- base
- upper lid
- fixed plate
- temperature
- sensor
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- Expired - Fee Related
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- 230000001960 triggered effect Effects 0.000 title claims description 13
- 239000000919 ceramic Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to temperature control sensor technical field, more particularly to a kind of sensor-triggered structure.Including base, temperature-sensitive component and anti-dry burning device in base, is provided with, the base upper end is provided with the upper lid of self contained function corresponding thereto, compression spring is provided between upper lid and base；It is provided with the base upper port and the corresponding fixed plate of upper lid, between thermal sensitive piece and fixed plate, is connected with elastic spring；, in the fixed plate below thermal sensitive piece, temperature-sensitive component is in the fixed plate of thermal sensitive piece side for the trigger unit of the anti-dry burning device.Present configuration is reasonable, upper cover rim guide housings produce upper and lower displacement with base, avoiding covering, the traversing sensitivity for affecting sensor is produced in trigger process, temperature-sensitive component, thermal sensitive piece are contacted successively during the pushing of upper lid, trigger action is precisely stable, sensing element fixed installation in base, can effectively reduce the off-line problem of lead solder-joint, improve service life and yields.
Description
Technical field
The present invention relates to temperature control sensor technical field, more particularly to a kind of sensor-triggered structure.
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 arranged with mounting cup, and mounting cup is arranged on switch supporting plate, and mounting cup and switch support
Back-moving spring is provided between plate, switch supporting plate is fixed on mounting base, exercise microswitch and connect peace during use under mounting cup
Heater circuit on dress base plate, is in series with temperature-sensitive component, then disconnects heater circuit when mounting cup is released on heater circuit.
There is more defect in this structure setting, each workpiece in practical application in sensor is with mounting cup integrally
It is fixedly connected, under the pressure-driven of interior pot, produces to move up and down and realize without pot and detection, between workpiece and backplane circuit
It is constantly be generated change in location, and the lead between workpiece and circuit constantly bends therewith and extends, lead and solder joint
The phenomenon of bending fracture and sealing-off is easily produced, causes sensor higher defective products rate problem occur.Therefore, technology also has
Treat in improvement and develop.
Content of the invention
Present invention aims to the defect and deficiency of prior art, there is provided a kind of rational in infrastructure, working stability, good
The high sensor-triggered structure of product rate.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of sensor-triggered structure of the present invention, including base, is provided with temperature-sensitive component and anti-dry dress in base
Put, the base upper end is provided with the upper lid of self contained function corresponding thereto, is provided with compression spring between upper lid and base；The base
It is provided with upper port and the corresponding fixed plate of upper lid, between fixed plate and upper lid, is provided with thermal sensitive piece movable up and down, thermal sensitive piece
Elastic spring is connected between fixed plate, and temperature-sensitive component is in the fixed plate of thermal sensitive piece side and temperature-sensitive component is matched somebody with somebody with upper lid
Close and arrange.
Further, " u "-shaped structure setting of the elastic spring in traverse, the fixing end of elastic spring are connected with fixed plate
Connect, the movable end of elastic spring is connected the skewed setting for making thermal sensitive piece tilt in one end with thermal sensitive piece.
Further, the anti-dry burning device is provided with ceramic bar, and ceramic bar upper end is arranged in consolidating for elastic spring side
In fixed board, and ceramic bar tilts the lower section at end located at thermal sensitive piece.
Further, the temperature-sensitive component is movably connected with the base, and temperature-sensitive component upper end is matched somebody with somebody with upper lid through after fixed plate
Close and arrange.
Further, the fixed plate is provided with the limited block for limiting upper lid downward storke.
Further, the outer rim of the base lower port is provided with the mounting base of annular, is arranged with and leads on the outside of base
To housing, guide housings lower end is connected with mounting base；The upper lid is flexibly connected with guide housings upper end, and compression spring is arranged
Between base outer rim and guide housings, and the upper and lower ends of compression spring are connected with upper lid and mounting base respectively.
Further, only row circle is provided with the upper port of the guide housings, and the lower end of upper lid passes through only row circle and guiding
Housing is flexibly connected, and the lower port outer rim of upper lid is provided with cover rim, and the upper end of compression spring is supported on cover rim.
The present invention has the beneficial effect that：Rationally, upper cover rim guide housings produce upper and lower displacement with base to present configuration, it is to avoid
On cover and produce the traversing sensitivity for affecting sensor in trigger process, contacted during the pushing of upper lid successively temperature-sensitive component,
Thermal sensitive piece, and then drive thermal sensitive piece to contact with the ceramic bar of anti-dry burning device, trigger action is precisely stable, the detecting means in base
Part is fixedly mounted, and can effectively reduce the off-line problem of lead solder-joint, improves service life and yields.
Description of the drawings
Fig. 1 is the overall configuration schematic diagram of the present invention；
Fig. 2 is the broken section structural representation of the present invention.
In figure：
1st, base；2nd, upper lid；11st, fixed plate；12nd, mounting base；
13rd, limited block；14th, elastic spring；15th, thermal sensitive piece；21st, cover rim；
22nd, compression spring；23rd, guide housings；24th, only row is enclosed；31st, temperature-sensitive component；
32nd, ceramic bar.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
A kind of sensor-triggered structure, including base 1, is provided with temperature-sensitive component 31 and anti-dry burning device, the bottom in base 1
1 upper end of seat is provided with the upper lid 2 of self contained function corresponding thereto, is provided with compression spring 22 between upper lid 2 and base 1；On the base 1
Port is provided with and 2 corresponding fixed plate 11 of upper lid, is provided with thermal sensitive piece movable up and down 15 between fixed plate 11 and upper lid 2,
Elastic spring 14 is connected between thermal sensitive piece 15 and fixed plate 11, and temperature-sensitive component 31 is in the fixed plate 11 of 15 side of thermal sensitive piece
And temperature-sensitive component 31 is equipped with upper lid 2.Above-mentioned part is agent structure of the present invention, and upper lid 2 can be lived up and down in 1 upper end of base
Dynamic, compression spring 22 improves driving force in up return stroke for upper lid 2, and temperature-sensitive component 31 and anti-dry burning device are fixed and set
In base 1, during work, interior pot is contacted with upper lid 2 makes which descending, and upper lid 2 is contacted with thermal sensitive piece 15 and becomes elastic spring 14
Shape, and then upper lid 2 drives thermal sensitive piece 15 to push the trigger unit for making which with anti-dry burning device to contradict, while upper lid 2 and temperature-sensitive group
Part 31 contradicts heat transfer, and now sensor activation operating circuit makes interior pot heat up, and the temperature of interior pot is transferred to anti-doing along trigger unit
Burn device；Anti-dry burning device is fixed in base 1, and sensor-triggered action position only has upper lid 2 and thermal sensitive piece 15, and the two
Heat transfer is only carried out so as to avoid the lead that frequent movement is produced from straining with solder joint completely, working sensor stability and product is improved
Product service life.
" u "-shaped structure setting of the above-mentioned elastic spring 14 in traverse, the fixing end of elastic spring 14 are connected with fixed plate 11,
The movable end of elastic spring 14 is connected the skewed setting for making thermal sensitive piece 15 tilt in one end with thermal sensitive piece 15；Feel under original state
Warm piece 15 is not contacted with the trigger unit of anti-dry burning device, and the elastic spring 14 of " u "-shaped makes the trigger action of thermal sensitive piece 15 more
Accurately, false triggering and reset probability of failure is reduced, improves the stability of integrated model.
Above-mentioned anti-dry burning device is provided with ceramic bar 32, and 32 upper end of ceramic bar is arranged in the fixed plate of 14 side of elastic spring
On 11, and ceramic bar 32 tilts the lower section at end located at thermal sensitive piece 15；Trigger unit of the ceramic bar 32 for anti-dry burning device, thermal sensitive piece
The 15 interior pot temperatures for receiving are conducted to anti-dry burning device by ceramic bar 32, contact with ceramic bar 32 and swash when thermal sensitive piece 15 is pushed
The defencive function of anti-dry burning device living.
Above-mentioned temperature-sensitive component 31 is flexibly connected with base 1, and 31 upper end of temperature-sensitive component is coordinated with upper lid 2 through after fixed plate 11
Arrange；The microswitch coordinated with temperature-sensitive component 31 is provided with base 1, and upper lid 2 is pushed and contradicted with thermistor and drive temperature-sensitive
The activation microswitch output detection signal of component 31, it is overheated so as to realize that thermistor is connected with operating circuit by microswitch
Protection.
Above-mentioned fixed plate 11 is provided with the limited block 13 for limiting 2 downward storke of upper lid, and limited block 13 is in fixed plate 11
Height is coordinated with temperature-sensitive component 31 and ceramic bar 32, is avoided causing the sensing element in base 1 so as to limit 2 downward storke of upper lid
Damage.
The outer rim of 1 lower port of above-mentioned base is provided with the mounting base 12 of annular, and the outside of base 1 is arranged with guide housings
23,23 lower end of guide housings is connected with mounting base 12；The upper lid 2 is flexibly connected with 23 upper end of guide housings, compression spring
22 are sheathed between 1 outer rim of base and guide housings 23, and the upper and lower ends of compression spring 22 respectively with upper lid 2 and mounting base
12 connections；The lower end of upper lid 2 is arranged between guide housings 23 and base 1, upper lid 2 push excite with up reseting procedure
Along 23 action of guide housings, guide housings 23 are used for controlling 2 action of lid skew, it is to avoid upper lid 2 inclines to block and causes to trigger
The problem of failure.
Only row circle 24 is provided with the upper port of above-mentioned guide housings 23, and the lower end of upper lid 2 is through only row circle 24 and guiding shell
Body 23 is flexibly connected, and the lower port outer rim of upper lid 2 is provided with cover rim 21, and the upper end of compression spring 22 is supported on cover rim 21.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
Equivalence changes or modification that feature and principle are done, are included in the range of present patent application.
Claims (6)
1. a kind of sensor-triggered structure, including being provided with temperature-sensitive component (31) and anti-dry burning device in base (1), base (1), its
It is characterised by：Base (1) upper end is provided with the upper lid (2) of self contained function corresponding thereto, sets between upper lid (2) and base (1)
There is compression spring (22)；Be provided with fixed plate (11) corresponding with upper lid (2) at base (1) upper port, fixed plate (11) and
Thermal sensitive piece movable up and down (15) is provided between upper lid (2), is connected flexible spring between thermal sensitive piece (15) and fixed plate (11)
Piece (14), fixed plate (11) of the temperature-sensitive component (31) located at thermal sensitive piece (15) side is upper and temperature-sensitive component (31) is matched somebody with somebody with upper lid (2)
Close and arrange；The " u "-shaped structure setting of described elastic spring (14) in traverse, the fixing end of elastic spring (14) and fixed plate (11)
Connection, the movable end of elastic spring (14) are connected the skewed setting for making thermal sensitive piece (15) tilt in one end with thermal sensitive piece (15).
2. sensor-triggered structure according to claim 1, it is characterised in that：The anti-dry burning device is provided with ceramic bar
(32), ceramic bar (32) upper end is arranged in the fixed plate (11) of elastic spring (14) side, and ceramic bar (32) is located at temperature-sensitive
Piece (15) tilts the lower section at end.
3. sensor-triggered structure according to claim 1, it is characterised in that：Temperature-sensitive component (31) and base (1)
It is flexibly connected, temperature-sensitive component (31) upper end is equipped with upper lid (2) through after fixed plate (11).
4. according to the arbitrary described sensor-triggered structure of claim 1-3, it is characterised in that：Fixed plate (11) are provided with
The limited block (13) of (2) downward storke is covered in restriction.
5. sensor-triggered structure according to claim 1, it is characterised in that：In the outer rim of base (1) lower port
The mounting base (12) of annular is provided with, guide housings (23), guide housings (23) lower end and installation on the outside of base (1), is arranged with
Base plate (12) connects；Upper lid (2) are flexibly connected with guide housings (23) upper end, and compression spring (22) is sheathed on base (1)
Between outer rim and guide housings (23), and the upper and lower ends of compression spring (22) are connected with upper lid (2) and mounting base (12) respectively
Connect.
6. sensor-triggered structure according to claim 5, it is characterised in that：In the upper port of guide housings (23)
Only row circle (24) is provided with, the lower end of upper lid (2) is flexibly connected through only row circle (24) with guide housings (23), under upper lid (2)
Port outer rim is provided with cover rim (21), and the upper end of compression spring (22) is supported on cover rim (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214569.2A CN104779116B (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214569.2A CN104779116B (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104779116A CN104779116A (en) | 2015-07-15 |
| CN104779116B true CN104779116B (en) | 2017-03-15 |
Family
ID=53620530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214569.2A Expired - Fee Related CN104779116B (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104779116B (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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9805751D0 (en) * | 1998-03-17 | 1998-05-13 | Strix Ltd | Electric heaters |
| CN2504753Y (en) * | 2001-10-25 | 2002-08-07 | 邵志成 | Socket with improved temp induction control structure |
| CN104523156B (en) * | 2015-02-03 | 2017-01-18 | 佛山市川东磁电股份有限公司 | Convenient-assembly sensor |
| CN204577343U (en) * | 2015-04-30 | 2015-08-19 | 佛山市川东磁电股份有限公司 | A kind of sensor-triggered structure |
-
2015
- 2015-04-30 CN CN201510214569.2A patent/CN104779116B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104779116A (en) | 2015-07-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |