CN204577343U - A kind of sensor-triggered structure - Google Patents
A kind of sensor-triggered structure Download PDFInfo
- Publication number
- CN204577343U CN204577343U CN201520272426.2U CN201520272426U CN204577343U CN 204577343 U CN204577343 U CN 204577343U CN 201520272426 U CN201520272426 U CN 201520272426U CN 204577343 U CN204577343 U CN 204577343U
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- upper cover
- base
- fixed head
- temperature
- sensor
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Abstract
The utility model relates to temperature control sensor technical field, particularly a kind of sensor-triggered structure.Comprise base, be provided with temperature-sensitive assembly and anti-dry burning device in base, described base upper end is provided with the upper cover of self contained function corresponding thereto, is provided with Compress Spring between upper cover and base; Described base upper port place is provided with the fixed head corresponding with upper cover, is connected with elastic spring between thermal sensitive piece and fixed head; The trigger unit of described anti-dry burning device is located on the fixed head below thermal sensitive piece, and temperature-sensitive assembly is located on the fixed head of thermal sensitive piece side.The utility model is rational in infrastructure, upper cover rim guide housings and base produce upper and lower displacement, avoid upper cover in trigger process, produce the traversing sensitivity affecting transducer, pressing down in process of upper cover contacts temperature-sensitive assembly, thermal sensitive piece successively, trigger action is precisely stablized, sensing element fixed installation in base, effectively can reduce the off-line problem of lead solder-joint, improve useful life and yields.
Description
Technical field
The utility model relates to temperature control sensor technical field, particularly a kind of sensor-triggered structure.
Background technology
Chinese patent CN201422761Y discloses a kind of anti-dry burning device of microswitch type, comprise mounting cup, sensitive switch and switch supporting plate, sensitive switch arranges with in mounting cup, mounting cup is arranged on 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 sensitive switch 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.
There is more defect in this vibrational power flow, each workpiece in practical application in transducer is integrally fixedly connected with mounting cup, under the pressure-driven of interior pot, produce knee-action to realize without pot and detection, constantly change in location is produced between workpiece and backplane circuit, and lead-in wire between workpiece and circuit is thereupon constantly bending and extend, lead-in wire and solder joint easily produce to bend and rupture and the phenomenon of sealing-off, cause transducer to occur higher defective products rate problem.Therefore, technology is had to have yet to be improved and developed.
Summary of the invention
The purpose of this utility model is defect for prior art and deficiency, provides a kind of rational in infrastructure, sensor-triggered structure that working stability, yields are high.
For achieving the above object, the utility model is by the following technical solutions:
A kind of sensor-triggered structure described in the utility model, comprise base, be provided with temperature-sensitive assembly and anti-dry burning device in base, described base upper end is provided with the upper cover of self contained function corresponding thereto, is provided with Compress Spring between upper cover and base; Described base upper port place is provided with the fixed head corresponding with upper cover, thermal sensitive piece movable up and down is provided with between fixed head and upper cover, be connected with elastic spring between thermal sensitive piece and fixed head, on the fixed head that thermal sensitive piece side is located at by temperature-sensitive assembly and temperature-sensitive assembly and upper cover be equipped with.
Further, described elastic spring is " U " shape vibrational power flow of traverse, and the stiff end of elastic spring is connected with fixed head, and the movable end of elastic spring is connected with thermal sensitive piece makes thermal sensitive piece be the skewed setting that one end tilts.
Further, described anti-dry burning device is provided with ceramic bar, and ceramic bar upper end is arranged on the fixed head of elastic spring side, and ceramic bar is located at the below that thermal sensitive piece tilts end.
Further, described temperature-sensitive assembly is flexibly connected with base, and temperature-sensitive assembly upper end is equipped with upper cover through after fixed head.
Further, described fixed head is provided with the guide vane end stop of restriction upper cover downward storke.
Further, the outer rim of described base lower port is provided with the mounting base of annular, and the outside of base is arranged with guide housings, and guide housings lower end is connected with mounting base; Described upper cover is connected with guide housings movable upper end, and Compress Spring is sheathed between base outer rim and guide housings, and the two ends up and down of Compress Spring are connected with upper cover and mounting base respectively.
Further, be provided with only row circle in the upper port of described guide housings, the lower end of upper cover is flexibly connected with guide housings through stopping row circle, and the lower port outer rim of upper cover is provided with cover rim, and the upper end of Compress Spring is to being located on cover rim.
The utility model beneficial effect is: the utility model is rational in infrastructure, upper cover rim guide housings and base produce upper and lower displacement, avoid upper cover in trigger process, produce the traversing sensitivity affecting transducer, pressing down in process of upper cover contacts temperature-sensitive assembly, thermal sensitive piece successively, and then driving thermal sensitive piece to contact with the ceramic bar of anti-dry burning device, trigger action is precisely stablized, the sensing element fixed installation in base, effectively can reduce the off-line problem of lead solder-joint, improve useful life and yields.
Accompanying drawing explanation
Fig. 1 is overall detonation configuration schematic diagram of the present utility model;
Fig. 2 is broken section structural representation of the present utility model.
In figure:
1, base; 2, upper cover; 11, fixed head; 12, mounting base;
13, guide vane end stop; 14, elastic spring; 15, thermal sensitive piece; 21, cover rim;
22, Compress Spring; 23, guide housings; 24, only row encloses; 31, temperature-sensitive assembly;
32, ceramic bar.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of sensor-triggered structure, comprise base 1, be provided with temperature-sensitive assembly 31 and anti-dry burning device in base 1, described base 1 upper end is provided with the upper cover 2 of self contained function corresponding thereto, is provided with Compress Spring 22 between upper cover 2 and base 1; Described base 1 upper port place is provided with the fixed head 11 corresponding with upper cover 2, thermal sensitive piece 15 movable up and down is provided with between fixed head 11 and upper cover 2, be connected with elastic spring 14 between thermal sensitive piece 15 and fixed head 11, on the fixed head 11 that thermal sensitive piece 15 side is located at by temperature-sensitive assembly 31 and temperature-sensitive assembly 31 and upper cover 2 be equipped with.Above-mentioned parts are the utility model agent structure, upper cover 2 can be up and down in base 1 upper end, Compress Spring 22 improves actuating force for upper cover 2 in up return stroke, temperature-sensitive assembly 31 and anti-dry burning device are fixed in base 1, during work, interior pot contacts with upper cover 2 and makes it descending, upper cover 2 contacts with thermal sensitive piece 15 and elastic spring 14 is out of shape, and then upper cover 2 drives thermal sensitive piece 15 to press down to make the trigger unit of itself and anti-dry burning device conflict, upper cover 2 and temperature-sensitive assembly 31 are conflicted and are conducted heat simultaneously, now sensor activation operating circuit makes interior pot heat up, the temperature of interior pot is transferred to anti-dry burning device along trigger unit, anti-dry burning device is fixed in base 1, and only there are upper cover 2 and thermal sensitive piece 15 in sensor-triggered action position, and the two only carry out heat transfer thus the lead-in wire avoiding frequent movement to produce completely and solder joint strain, raising working sensor stability and product useful life.
" U " shape vibrational power flow of above-mentioned elastic spring 14 in traverse, the stiff end of elastic spring 14 is connected with fixed head 11, and the movable end of elastic spring 14 is connected the skewed setting that thermal sensitive piece 15 is tilted in one end with thermal sensitive piece 15; Under initial condition, thermal sensitive piece 15 does not contact with the trigger unit of anti-dry burning device, and the elastic spring 14 of " U " shape makes the trigger action of thermal sensitive piece 15 more accurate, reduces false triggering and reset probability of failure, improves the stability of integrated model.
Above-mentioned anti-dry burning device is provided with ceramic bar 32, and ceramic bar 32 upper end is arranged on the fixed head 11 of elastic spring 14 side, and ceramic bar 32 is located at the below that thermal sensitive piece 15 tilts end; Ceramic bar 32 is the trigger unit of anti-dry burning device, and the interior pot temperature that thermal sensitive piece 15 receives conducts to anti-dry burning device by ceramic bar 32, contacts and activate the defencive function of anti-dry burning device when thermal sensitive piece 15 presses down with ceramic bar 32.
Above-mentioned temperature-sensitive assembly 31 is flexibly connected with base 1, temperature-sensitive assembly 31 upper end through after fixed head 11 and upper cover 2 be equipped with; Be provided with the sensitive switch coordinated with temperature-sensitive assembly 31 in base 1, upper cover 2 presses down to conflict with thermistor and to drive temperature-sensitive assembly 31 to activate sensitive switch output detection signal, and thermistor to be connected with operating circuit by sensitive switch thus to realize overtemperature protection.
Above-mentioned fixed head 11 is provided with the guide vane end stop 13 of restriction upper cover 2 downward storke, and the height of guide vane end stop 13 on fixed head 11 coordinates with temperature-sensitive assembly 31 and ceramic bar 32, thus restriction upper cover 2 downward storke is avoided causing the sensing element in base 1 to damage.
The outer rim of above-mentioned base 1 lower port is provided with the mounting base 12 of annular, and the outside of base 1 is arranged with guide housings 23, and guide housings 23 lower end is connected with mounting base 12; Described upper cover 2 is connected with guide housings 23 movable upper end, and Compress Spring 22 is sheathed between base 1 outer rim and guide housings 23, and the two ends up and down of Compress Spring 22 are connected with upper cover 2 and mounting base 12 respectively; The lower end of upper cover 2 is arranged between guide housings 23 and base 1, upper cover 2 press down excite with up reseting procedure in all along guide housings 23 action, guide housings 23 for control upper cover 2 action skew, avoid upper cover 2 tilt block cause trigger lost efficacy problem.
Be provided with only row circle 24 in the upper port of above-mentioned guide housings 23, the lower end of upper cover 2 is flexibly connected with guide housings 23 through stopping row circle 24, and the lower port outer rim of upper cover 2 is provided with cover rim 21, and the upper end of Compress Spring 22 is to being located on cover rim 21.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (7)
1. a sensor-triggered structure, comprise base (1), temperature-sensitive assembly (31) and anti-dry burning device is provided with in base (1), it is characterized in that: described base (1) upper end is provided with the upper cover (2) of self contained function corresponding thereto, is provided with Compress Spring (22) between upper cover (2) and base (1); Described base (1) upper port place is provided with the fixed head (11) corresponding with upper cover (2), thermal sensitive piece movable up and down (15) is provided with between fixed head (11) and upper cover (2), be connected with elastic spring (14) between thermal sensitive piece (15) and fixed head (11), temperature-sensitive assembly (31) is located at the fixed head (11) of thermal sensitive piece (15) side upper and temperature-sensitive assembly (31) and upper cover (2) and is equipped with.
2. sensor-triggered structure according to claim 1, it is characterized in that: " U " shape vibrational power flow of described elastic spring (14) in traverse, the stiff end of elastic spring (14) is connected with fixed head (11), and the movable end of elastic spring (14) is connected with thermal sensitive piece (15) the skewed setting that thermal sensitive piece (15) is tilted in one end.
3. sensor-triggered structure according to claim 2, it is characterized in that: described anti-dry burning device is provided with ceramic bar (32), ceramic bar (32) upper end is arranged on the fixed head (11) of elastic spring (14) side, and ceramic bar (32) is located at the below that thermal sensitive piece (15) tilts end.
4. sensor-triggered structure according to claim 1, it is characterized in that: described temperature-sensitive assembly (31) is flexibly connected with base (1), temperature-sensitive assembly (31) upper end is equipped with upper cover (2) afterwards through fixed head (11).
5., according to the arbitrary described sensor-triggered structure of claim 1-4, it is characterized in that: described fixed head (11) is provided with the guide vane end stop (13) of restriction upper cover (2) downward storke.
6. sensor-triggered structure according to claim 1, it is characterized in that: the outer rim of described base (1) lower port is provided with the mounting base (12) of annular, the outside of base (1) is arranged with guide housings (23), and guide housings (23) lower end is connected with mounting base (12); Described upper cover (2) is connected with guide housings (23) movable upper end, Compress Spring (22) is sheathed between base (1) outer rim and guide housings (23), and the two ends up and down of Compress Spring (22) are connected with upper cover (2) and mounting base (12) respectively.
7. sensor-triggered structure according to claim 6, it is characterized in that: in the upper port of described guide housings (23), be provided with only row circle (24), the lower end of upper cover (2) is flexibly connected with guide housings (23) through stopping row circle (24), the lower port outer rim of upper cover (2) is provided with cover rim (21), and the upper end of Compress Spring (22) is to being located on cover rim (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272426.2U CN204577343U (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272426.2U CN204577343U (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577343U true CN204577343U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272426.2U Withdrawn - After Issue CN204577343U (en) | 2015-04-30 | 2015-04-30 | A kind of sensor-triggered structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204577343U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779116A (en) * | 2015-04-30 | 2015-07-15 | 佛山市川东磁电股份有限公司 | Sensor triggering structure |
| CN105841424A (en) * | 2016-03-26 | 2016-08-10 | 佛山市顺德区环威电器有限公司 | Small-size diffusion-absorption type refrigerating device capable of preventing dry running and big leakage |
| WO2016173413A1 (en) * | 2015-04-30 | 2016-11-03 | 佛山市川东磁电股份有限公司 | Integrated sensor |
-
2015
- 2015-04-30 CN CN201520272426.2U patent/CN204577343U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779116A (en) * | 2015-04-30 | 2015-07-15 | 佛山市川东磁电股份有限公司 | Sensor triggering structure |
| WO2016173413A1 (en) * | 2015-04-30 | 2016-11-03 | 佛山市川东磁电股份有限公司 | Integrated sensor |
| CN105841424A (en) * | 2016-03-26 | 2016-08-10 | 佛山市顺德区环威电器有限公司 | Small-size diffusion-absorption type refrigerating device capable of preventing dry running and big leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150819 Effective date of abandoning: 20171114 |