CN202734781U - Thermal relay bimetallic strip detection device - Google Patents
Thermal relay bimetallic strip detection device Download PDFInfo
- Publication number
- CN202734781U CN202734781U CN 201220282808 CN201220282808U CN202734781U CN 202734781 U CN202734781 U CN 202734781U CN 201220282808 CN201220282808 CN 201220282808 CN 201220282808 U CN201220282808 U CN 201220282808U CN 202734781 U CN202734781 U CN 202734781U
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- CN
- China
- Prior art keywords
- bimetallic strip
- electrothermal relay
- relay bimetallic
- displacement transducer
- base station
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a thermal relay bimetallic strip detection device which can detect the position states of thermal relay bimetallic strips. The thermal relay bimetallic strip detection device includes a detection module which can detect the position states of the thermal relay bimetallic strips, a display device which is electrically connected with the detection module and is used for displaying a metering value representing the position states of the thermal relay bimetallic strips, and an elevating mechanism which includes base and an elevating pump which provides the rise power for the base. The detection module is arranged on the base. The base is provided with a sliding sleeve rod. The sliding sleeve rod is sleeved with elastic elements. The base provides the downward movement power through self-gravity. Because the base is provided with the sliding sleeve rod and the sliding sleeve rod is provided with the elastic elements, the base can provide the downward movement power through self-gravity, the elastic elements play the buffering function, the impulse of the base in downward movement is reduced, and the detection reliability is guaranteed.
Description
Technical field
The utility model belongs to electromechanical equipment and makes the field, is specifically related to a kind of electrothermal relay bimetallic strip pick-up unit.
Background technology
Electrothermal relay is to produce heat by the electric current that flows into thermal element, makes the bimetallic strip generation deformation of different expansion coefficient, when deformation reaches certain distance; just promote the connecting rod action, control circuit is disconnected, thereby make the contactor dead electricity; main circuit disconnects, and realizes the overload protection of motor.Particularly, generally include some bimetallic strips arranged side by side in the existing electrothermal relay, this bimetallic strip is formed by the sheet metal spreading of two kinds of different heat expansion coefficients, when electromotor overload, electric current by heater element surpasses setting current, bimetallic strip is heated and is bent upwards the disengaging buckle, and normally closed contact is disconnected.Because normally closed contact is to be connected in the control circuit of motor, its disconnection meeting is so that the contactor coil outage of joining with it, thereby the contactor main contacts disconnects, and the main circuit outage of motor has realized overload protection.Electrothermal relay is as the overload protection element of motor, and little with its volume, simple in structure, low cost and other advantages is widely applied aborning.
But in existing streamline process, the location status of electrothermal relay bimetallic strip can not meet original design fully, usually can owing to the deviation of its location status, cause the undesired of electrothermal relay work.In the prior art, normally provide the location status of a pick-up unit for detection of the electrothermal relay bimetallic strip, simultaneously, in order to guarantee the continuity of testing process, usually adopt the lifting pump to rise and decline power for pick-up unit provides.When lifting pump band motion detection device descended, it detected electrothermal relay bimetallic strip position, and after detection was finished, lifting pump band motion detection device rose, in order to replace other electrothermal relay to be detected on the streamline.But, in the actual production process, in the time of usually can descending owing to the lifting pump; offset deviation is too much, causes testing process not finish smoothly, and; drive the pick-up unit that descends by the lifting pump and usually have larger momentum, easily cause the damage of pick-up unit.
The utility model content
The purpose of this utility model is to provide a kind of electrothermal relay bimetallic strip pick-up unit, and it can avoid pick-up unit to produce excessive momentum in the process that descends, and protects the not damaged of pick-up unit, guarantees simultaneously the reliability of testing process.
For realizing above-mentioned utility model purpose, the utility model provides a kind of electrothermal relay bimetallic strip pick-up unit, and for detection of the location status of electrothermal relay bimetallic strip, described electrothermal relay bimetallic strip pick-up unit comprises:
Detection module, described detection module is for detection of electrothermal relay bimetallic strip location status;
Display device, described display device and described detection module are electrically connected, and described display device is used for showing the variable that characterizes described electrothermal relay bimetallic strip location status;
Elevating mechanism, described elevating mechanism comprise base station and the lifting pump that rising power is provided for described base station, and described detection module is arranged on the described base station;
Wherein, described base station is combined with sliding bar set, is arranged with flexible member on the described sliding bar set, and described base station provides the power that moves downward by self gravitation.
As further improvement of the utility model, described flexible member is spring.
As further improvement of the utility model, described detection module comprises probe and displacement transducer, described probe is used for cooperating with the electrothermal relay bimetallic strip, described displacement transducer and described probe are electrically connected, and described displacement transducer is by the location status of described probe in detecting electrothermal relay bimetallic strip.
As further improvement of the utility model, described device also comprises the lever piece with described base station interlock, thereby described lifting pump is by oppressing described lever piece moves downward provides rising to described base station power.
As further improvement of the utility model, described displacement transducer comprises inductive displacement transducer and/or capacitive displacement transducer and/or optical displacement sensor and/or ultrasonic type displacement transducer and/or Hall displacement transducer.
As further improvement of the utility model, described displacement transducer comprises linear displacement transducer.
As further improvement of the utility model, described display device comprises Displaying Meter and/or electronic console.
Compared with prior art, the utility model is by arranging the sliding bar set cooperate with base station and being linked in flexible member on the sliding bar set, base station provides the power that moves downward by self gravitation, and play the effect of buffering by flexible member, momentum when reducing base station and moving downward, and guarantee the reliability that detects.
Description of drawings
Fig. 1 is the structural representation of detection module in the utility model one embodiment electrothermal relay bimetallic strip pick-up unit;
Fig. 2 is the structural representation of elevating mechanism in the utility model one embodiment electrothermal relay bimetallic strip pick-up unit.
Embodiment
Below with reference to embodiment shown in the drawings the utility model is described in detail.But these embodiments do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiments, method or the function all is included in the protection domain of the present utility model.
Ginseng Fig. 1 to Fig. 2, introduce an embodiment of the utility model electrothermal relay bimetallic strip pick-up unit, it is for detection of the location status of electrothermal relay bimetallic strip, and this electrothermal relay bimetallic strip pick-up unit comprises detection module 10, display device and elevating mechanism 20.
In the present embodiment, owing to state on the linear position direction that only need detect the electrothermal relay bimetallic strip, so adopt linear displacement transducer, it can convert the straight line mechanical displacement to electric signal.
Display device (not shown) and displacement transducer 12 are electrically connected, and are used for showing the variable that characterizes electrothermal relay bimetallic strip location status.Display device can comprise Displaying Meter and/or electronic console.
23 of base station 21 and sliding bar sets are fixedly connected with by ring flange 25, and certainly, in the embodiment of other replacement, base station 21 also can be connected by the realization of the alternate manners such as welding with 23 of sliding bar sets.Sliding bar set 23 comprises the first bar 232 and is sleeved on the second bar 231 on the first bar 232, base station 21 is by being fixedly connected with this second bar 231, flexible member 24 is linked on the first bar 232 and is inconsistent with the second bar 231, resultant motion is overlapped in the first bar 232 and 231 cooperations of the second bar, thereby realizes the rise and fall of base station 21.In the present embodiment, flexible member 24 adopts spring.
As preferred embodiment, electrothermal relay bimetallic strip pick-up unit of the present utility model also comprises the lever piece 26 with base station 21 interlocks, thereby lifting pump 22 is by oppressing this lever piece 26 moves downward provides rising to base station 21 power.
In concrete processing testing process, when electrothermal relay arrives the utility model electrothermal relay bimetallic strip pick-up unit below, lifting pump 22 moves upward, lever piece 26 ineffective compressing power thereon, base station 21 moves downward under the drive of self gravitation, and because the buffering of flexible member 24, the pick-up unit on the base station 21 can cooperate with the electrothermal relay bimetallic strip comparatively flexibly, and detects; After detection was finished, lifting pump 22 moved downward, and compressing lever piece 26 drives base stations 21 and move upward, and at this moment, the testing staff can replace that other electrothermal relay detects on the streamline.
The beneficial effects of the utility model are: by the sliding bar set 23 cooperate with base station 21 being set and being linked in flexible member 24 on the sliding bar set 23, base station 21 relies on self gravitation that the power that moves downward is provided, and play the effect of buffering by flexible member 24, momentum when reducing base station 21 and moving downward, and guarantee the reliability that detects.
Be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions only is for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description only is specifying for feasibility embodiment of the present utility model; they are not to limit protection domain of the present utility model, allly do not break away from equivalent embodiment or the change that the utility model skill spirit does and all should be included within the protection domain of the present utility model.
Claims (7)
1. electrothermal relay bimetallic strip pick-up unit, the location status for detection of the electrothermal relay bimetallic strip is characterized in that, described electrothermal relay bimetallic strip pick-up unit comprises:
Detection module, described detection module is for detection of electrothermal relay bimetallic strip location status;
Display device, described display device and described detection module are electrically connected, and described display device is used for showing the variable that characterizes described electrothermal relay bimetallic strip location status;
Elevating mechanism, described elevating mechanism comprise base station and the lifting pump that rising power is provided for described base station, and described detection module is arranged on the described base station;
Wherein, described base station is combined with sliding bar set, is arranged with flexible member on the described sliding bar set, and described base station provides the power that moves downward by self gravitation.
2. electrothermal relay bimetallic strip pick-up unit according to claim 1 is characterized in that, described flexible member is spring.
3. electrothermal relay bimetallic strip pick-up unit according to claim 1, it is characterized in that, described detection module comprises probe and displacement transducer, described probe is used for cooperating with the electrothermal relay bimetallic strip, described displacement transducer and described probe are electrically connected, and described displacement transducer is by the location status of described probe in detecting electrothermal relay bimetallic strip.
4. electrothermal relay bimetallic strip pick-up unit according to claim 3, it is characterized in that, described displacement transducer comprises inductive displacement transducer and/or capacitive displacement transducer and/or optical displacement sensor and/or ultrasonic type displacement transducer and/or Hall displacement transducer.
5. electrothermal relay bimetallic strip pick-up unit according to claim 3 is characterized in that, described displacement transducer comprises linear displacement transducer.
6. electrothermal relay bimetallic strip pick-up unit according to claim 1, it is characterized in that, described device also comprises the lever piece with described base station interlock, thereby described lifting pump is by oppressing described lever piece moves downward provides rising to described base station power.
7. electrothermal relay bimetallic strip pick-up unit according to claim 1 is characterized in that, described display device comprises Displaying Meter and/or electronic console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282808 CN202734781U (en) | 2012-06-15 | 2012-06-15 | Thermal relay bimetallic strip detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282808 CN202734781U (en) | 2012-06-15 | 2012-06-15 | Thermal relay bimetallic strip detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734781U true CN202734781U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282808 Expired - Fee Related CN202734781U (en) | 2012-06-15 | 2012-06-15 | Thermal relay bimetallic strip detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202734781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512524A (en) * | 2012-06-20 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | Thermal relay bimetallic strip detection device |
| CN103512519A (en) * | 2012-06-15 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | Thermorelay's bimetallic strip detector |
-
2012
- 2012-06-15 CN CN 201220282808 patent/CN202734781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512519A (en) * | 2012-06-15 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | Thermorelay's bimetallic strip detector |
| CN103512524A (en) * | 2012-06-20 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | Thermal relay bimetallic strip detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140615 |
|
| EXPY | Termination of patent right or utility model |