CN202734779U - Thermal relay bimetallic strip detection device - Google Patents
Thermal relay bimetallic strip detection device Download PDFInfo
- Publication number
- CN202734779U CN202734779U CN 201220282798 CN201220282798U CN202734779U CN 202734779 U CN202734779 U CN 202734779U CN 201220282798 CN201220282798 CN 201220282798 CN 201220282798 U CN201220282798 U CN 201220282798U CN 202734779 U CN202734779 U CN 202734779U
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- China
- Prior art keywords
- electrothermal relay
- bimetallic strip
- relay bimetallic
- displacement transducer
- pick
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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.)
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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. A thermal relay includes a current contact. 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. When the detection module cooperates with the thermal relay bimetallic strips, at least a part of the detected thermal relay bimetallic strips are exposed to the outside of the thermal relay bimetallic strip detection device. The thermal relay bimetallic strip detection device can detect the positions of the thermal relay bimetallic strips, and detectors can adjust the positions of the thermal relay bimetallic strips in real time.
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 electrothermal relay bimetallic strip position can not meet design accuracy fully usually, needs a kind of pick-up unit to detect electrothermal relay bimetallic strip location status, and can make things convenient for the testing staff to adjust in real time.
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 when electrothermal relay bimetallic strip position is detected, make things convenient for the testing staff in real time the position of electrothermal relay bimetallic strip to be adjusted.
For realizing above-mentioned utility model purpose, the utility model provides a kind of electrothermal relay bimetallic strip pick-up unit, for detection of the location status of electrothermal relay bimetallic strip, described electrothermal relay comprises the electric current contact, and described electrothermal relay bimetallic strip pick-up unit comprises:
Detection module, described detection module are used for cooperating to detect its location status with the electrothermal relay bimetallic strip;
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;
Wherein, when described detection module cooperated with the electrothermal relay bimetallic strip, described electrothermal relay bimetallic strip is at least part of to be exposed to outside the described electrothermal relay bimetallic strip pick-up unit.
As further improvement of the utility model, described electrothermal relay bimetallic strip pick-up unit moves to predetermined measuring position to begin the detection to the location status of electrothermal relay bimetallic strip by the control electrothermal relay from predetermined initial position, described electrothermal relay bimetallic strip pick-up unit moves to predetermined initial position to finish the detection to the location status of electrothermal relay bimetallic strip by the control electrothermal relay from predetermined measuring position, described electrothermal relay bimetallic strip pick-up unit also comprises the first offset table and the second offset table, described the first offset table is used for measuring and showing the distance that moves to the measuring position when electrothermal relay begins to detect from described initial position, moves to the distance of initial position when described the second offset table is used for measurement and shows the electrothermal relay detection of end from described measuring position.
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 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, when the utility model cooperates with the electrothermal relay bimetallic strip by detection module is set, the electrothermal relay bimetallic strip is at least part of to be exposed to outside the described electrothermal relay bimetallic strip pick-up unit, so that can when electrothermal relay bimetallic strip position is detected, in real time the position of electrothermal relay bimetallic strip be adjusted by the testing staff.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment electrothermal relay bimetallic strip pick-up unit one embodiment.
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, introduce an embodiment of the utility model electrothermal relay bimetallic strip pick-up unit 10, it is for detection of the location status of electrothermal relay bimetallic strip, and this electrothermal relay bimetallic strip pick-up unit 10 comprises detection module, display device (not shown).
Electrothermal relay bimetallic strip pick-up unit 10 of the present utility model moves to predetermined measuring position to begin the detection to the location status of electrothermal relay bimetallic strip by the control electrothermal relay from predetermined initial position, after detecting end, electrothermal relay bimetallic strip pick-up unit 10 control electrothermal relays move to predetermined initial position from predetermined measuring position, and so forth, to finish continuously the detection of electrothermal relay bimetallic strip location status.
When detection module cooperated with the electrothermal relay bimetallic strip, this electrothermal relay bimetallic strip is at least part of to be exposed to outside the electrothermal relay bimetallic strip pick-up unit.By so arranging, the testing staff can adjust electrothermal relay bimetallic strip position in real time.In specific embodiment, detection module comprises probe 11 and displacement transducer 12.This probe 11 is used for cooperating with the electrothermal relay bimetallic strip, and displacement transducer 12 is electrically connected with probe 11, and this displacement transducer 12 detects the location status of electrothermal relay bimetallic strip by probe 11.As preferred embodiment, probe 11 cooperates with the centre position of electrothermal relay bimetallic strip usually, to realize that electrothermal relay is reserved part outside electrothermal relay bimetallic strip pick-up unit.Displacement transducer 12 can for example adopt inductive displacement transducer and/or capacitive displacement transducer and/or optical displacement sensor and/or ultrasonic type displacement transducer and/or Hall displacement transducer.
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.
As preferred embodiment, electrothermal relay bimetallic strip pick-up unit 10 of the present utility model also comprises the first offset table 13 and the second offset table 14.The first offset table 13 is used for measuring and showing the distance that moves to the measuring position when electrothermal relay begins to detect from initial position, moves to the distance of initial position when the second offset table 14 is used for measurement and shows the electrothermal relay detection of end from the measuring position.
In concrete operation, electrothermal relay at first is placed on the initial position, then these electrothermal relays of electrothermal relay bimetallic strip pick-up unit 10 control move to the detection position (this moment, the conveyer mechanism that moves through of electrothermal relay were realized, conveyer mechanism is not shown in the figures), at this moment, the first offset table 13 detects and shows that characterizing electrothermal relay moves to the detection position apart from the first shift value of size from initial position; After detecting end, electrothermal relay bimetallic strip pick-up unit 10 these electrothermal relays of control move to initial position, and offset table 14 detected and showed that also the sign electrothermal relay moves to initial position apart from the second shift value of size from the detection position this moment second.Whether the testing staff is consistent with the second shift value by comparison the first shift value, can judge the precision that the electrothermal relay bimetallic strip is adjusted, and avoided still not meeting through the electrothermal relay of adjusting the problem of the accuracy specification of demand.
The beneficial effects of the utility model are: when cooperating with the electrothermal relay bimetallic strip by detection module is set, the electrothermal relay bimetallic strip is at least part of to be exposed to outside the described electrothermal relay bimetallic strip pick-up unit, so that can be when electrothermal relay bimetallic strip position be detected, in real time the position of electrothermal relay bimetallic strip is adjusted by the testing staff, convenient.
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 (6)
1. electrothermal relay bimetallic strip pick-up unit, for detection of the location status of electrothermal relay bimetallic strip, described electrothermal relay comprises the electric current contact, it is characterized in that, described electrothermal relay bimetallic strip pick-up unit comprises:
Detection module, described detection module are used for cooperating to detect its location status with the electrothermal relay bimetallic strip;
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;
Wherein, when described detection module cooperated with the electrothermal relay bimetallic strip, described electrothermal relay bimetallic strip is at least part of to be exposed to outside the described electrothermal relay bimetallic strip pick-up unit.
2. bimetallic strip pick-up unit according to claim 1, it is characterized in that, described electrothermal relay bimetallic strip pick-up unit moves to predetermined measuring position to begin the detection to the location status of electrothermal relay bimetallic strip by the control electrothermal relay from predetermined initial position, described electrothermal relay bimetallic strip pick-up unit moves to predetermined initial position to finish the detection to the location status of electrothermal relay bimetallic strip by the control electrothermal relay from predetermined measuring position, described electrothermal relay bimetallic strip pick-up unit also comprises the first offset table and the second offset table, described the first offset table is used for measuring and showing the distance that moves to the measuring position when electrothermal relay begins to detect from described initial position, moves to the distance of initial position when described the second offset table is used for measurement and shows the electrothermal relay detection of end from described measuring position.
3. 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 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 201220282798 CN202734779U (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 201220282798 CN202734779U (en) | 2012-06-15 | 2012-06-15 | Thermal relay bimetallic strip detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734779U true CN202734779U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282798 Expired - Fee Related CN202734779U (en) | 2012-06-15 | 2012-06-15 | Thermal relay bimetallic strip detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202734779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512521A (en) * | 2012-06-20 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | A device for detecting bimetallic strips of a thermorelay |
| CN103512523A (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 |
-
2012
- 2012-06-15 CN CN 201220282798 patent/CN202734779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512521A (en) * | 2012-06-20 | 2014-01-15 | 苏州工业园区高登威科技有限公司 | A device for detecting bimetallic strips of a thermorelay |
| CN103512523A (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 |