CN210665960U - Breaker opening and closing speed measuring device based on laser sensor - Google Patents
Breaker opening and closing speed measuring device based on laser sensor Download PDFInfo
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- CN210665960U CN210665960U CN201921558070.3U CN201921558070U CN210665960U CN 210665960 U CN210665960 U CN 210665960U CN 201921558070 U CN201921558070 U CN 201921558070U CN 210665960 U CN210665960 U CN 210665960U
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Abstract
The utility model discloses a circuit breaker divide-shut brake speed measuring device based on laser sensor, the end of the movable guide rod is fixedly assembled with a reflecting plate, the top of the reflecting plate is fixedly provided with a current conducting plate, the left side of the top of the mounting base plate is fixedly provided with a fixed plate, the top of the fixed plate is fixedly provided with a top plate, the guide frame is movably assembled with a connecting rod, the left end of the connecting rod is fixedly assembled with a current conducting sensor matched with the current conducting plate, the right side wall of the fixed plate is fixedly provided with a laser sensor corresponding to the reflecting plate, the top of the storage battery is electrically connected with a singlechip, the top of the singlechip is electrically connected with a time detector, the displacement of the action of the movable guide rod can be accurately measured through the laser sensor, namely the movement speed of the movable guide rod of the vacuum circuit breaker during switching on and off respectively can, the response speed block is accurate in measured value and small in error.
Description
Technical Field
The utility model relates to a circuit breaker divide-shut brake speed measuring device technical field specifically is a circuit breaker divide-shut brake speed measuring device based on laser sensor.
Background
A vacuum circuit breaker is an electrical device widely used in the middle and high voltage electrical field, and the connection and disconnection capability is an important standard whether the circuit breaker meets the requirements or not, therefore, the opening and closing speed of the vacuum circuit breaker is an important technical parameter, the measurement of the speed of the vacuum circuit breaker is mainly completed by a precise sliding resistor or a grating at present, the time and the speed in the opening and closing process can be measured, the method can carry out quantitative analysis on the speed change condition in the whole process of opening and closing, but the method needs to be directly connected with the circuit breaker, the circuit breaker can bring violent vibration due to the instant release of the spring energy at the moment of opening and closing, the vibration can cause the shake of a sliding resistor or a grating, so that the inaccuracy of a measured value is caused, and the accuracy cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit breaker divide-shut brake speed measuring device based on laser sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a breaker opening and closing speed measuring device based on a laser sensor comprises an installation base plate, wherein an arc extinguishing frame is fixedly arranged on the right side of the top of the installation base plate, a vacuum breaker is fixedly arranged on the top of the arc extinguishing frame, a movable guide rod is assembled on the left side of the vacuum breaker, a reflecting plate is fixedly assembled at the end part of the movable guide rod, a conductive plate is fixedly arranged on the top of the reflecting plate, a fixed plate is fixedly arranged on the left side of the top of the installation base plate, a top plate is fixedly arranged on the top of the fixed plate, a guide frame is fixedly arranged on the right side of the bottom of the top plate, a connecting rod is movably assembled on the guide frame, a conductive sensor matched with the conductive plate is fixedly assembled at the left end of the connecting rod, a supporting spring is fixedly connected at the right end of the connecting rod, the other end of the, the bottom of the laser sensor is fixedly provided with a receiving plate, the left side of the top of the mounting base plate is fixedly provided with a storage battery, the top of the storage battery is electrically connected with a single chip microcomputer, and the top of the single chip microcomputer is electrically connected with a time detector.
Preferably, the laser sensor, the receiving plate, the conductive sensor and the time detector are electrically connected with the storage battery and the single chip microcomputer.
Preferably, the laser sensor, the receiving plate, the time detector and the single chip microcomputer form a circuit breaker closing loop.
Preferably, the movable guide rod, the conductive plate, the conductive sensor, the time detector and the single chip microcomputer form a circuit breaker opening loop.
Preferably, the movable guide rod is linked with a knife switch on the vacuum circuit breaker, and when the conductive plate is contacted with the conductive sensor, the knife switch is in a separated state.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, laser sensor sends laser, through the reflecting plate reflection, can realize the receipt to laser through the receiving panel, and then measure the displacement difference that the movable guide arm action often produced, detect the time of movable guide arm action through the time detector, then can calculate the separating brake speed and the closing speed when the movable guide arm action, adopt the moving velocity of laser measurement movable guide arm, can the precision measurement divide-shut brake speed of vacuum circuit breaker, its overall structure is simple, and carry out non-contact measurement with laser, avoid the influence of the vibration when circuit breaker separating brake, closing a floodgate to circuit breaker speed measurement, improve the measuring accuracy, after the vacuum circuit breaker closes a floodgate, the current conducting plate separates with conductive sensor, through time detector survey vacuum closing a floodgate circuit breaker's time t1 and closing a floodgate after the completion time t2, the time that the movable guide arm starts to move the action and finishes the action, and the difference value between t2 and t1 is the closing time of the vacuum circuit breaker, after the vacuum circuit breaker is opened, the conductive plate and the conductive sensor are connected, the time t3 when the opening starts and the time t4 when the opening of the vacuum circuit breaker is completed are measured by the time detector, namely, the difference value between t4 and t3 is the opening time of the vacuum circuit breaker, the displacement of the action of the movable guide rod can be accurately measured by the laser sensor, the movement speeds of the movable guide rod of the vacuum circuit breaker during closing and opening can be calculated, the response speed block is accurate, the measured value is accurate, and the error is small.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a mounting base plate 1, an arc extinguishing frame 2, a vacuum circuit breaker 3, a movable guide rod 4, a reflecting plate 5, a conductive plate 6, a fixed plate 7, a top plate 8, a guide frame 9, a connecting rod 10, a conductive sensor 11, a supporting spring 12, a laser sensor 13, a receiving plate 14, a storage battery 15, a single chip microcomputer 16 and a time detector 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a breaker opening and closing speed measuring device based on a laser sensor comprises an installation base plate 1, an arc extinguishing frame 2 is fixedly arranged on the right side of the top of the installation base plate 1, a vacuum breaker 3 is fixedly arranged on the top of the arc extinguishing frame 2, a movable guide rod 4 is assembled on the left side of the vacuum breaker 3, a reflecting plate 5 is fixedly assembled on the end portion of the movable guide rod 4, a conducting plate 6 is fixedly arranged on the top of the reflecting plate 5, a fixed plate 7 is fixedly arranged on the left side of the top of the installation base plate 1, a top plate 8 is fixedly arranged on the top of the fixed plate 7, a guide frame 9 is fixedly arranged on the right side of the bottom of the top plate 8, a connecting rod 10 is movably assembled on the guide frame 9, a conducting sensor 11 matched with the conducting plate 6 is fixedly assembled on the left end of the connecting rod 10, a supporting spring 12 is fixedly connected on the right end of the connecting rod 10, a receiving plate 14 is fixedly arranged at the bottom of the laser sensor 13, a storage battery 15 is fixedly arranged at the left side of the top of the mounting base plate 1, a singlechip 16 is electrically connected to the top of the storage battery 15, a time detector 17 is electrically connected to the top of the singlechip 16, the device is connected into a circuit, laser emitted by the laser sensor 13 can be prompted to be reflected by the reflecting plate 5, then the laser is received by the receiving plate 14, the distance between the movable guide rod 4 and the laser sensor 13 is accurately measured, so that the displacement difference generated when the movable guide rod 4 acts can be accurately measured, meanwhile, the acting time of the movable guide rod 4 is detected by the time detector 17 when the movable guide rod 4 acts, the opening and closing speeds of the movable guide rod 4 during acting can be calculated, the moving speed of the movable guide rod 4 is measured by laser, and the opening and closing speeds of the vacuum circuit breaker 3 can be accurately measured, the whole structure is simple, non-contact measurement is carried out by laser, the influence of vibration of the breaker on the breaker speed measurement during opening and closing is avoided, the measurement accuracy is improved, after the vacuum breaker 3 is closed, the conducting plate 6 is separated from the conductive sensor 11, the closing time t1 of the vacuum breaker 3 and the closing time t2 after closing are measured by the time detector 17, namely the time from the beginning to the end of action of the movable guide rod 4, the difference value between t2 and t1 is the time required by the closing action of the vacuum breaker 3, after the vacuum breaker 3 is opened, the conducting plate 6 is connected with the conductive sensor 11, the opening time t3 of the vacuum breaker 3 and the opening time t4 of the vacuum breaker 3 are measured by the time detector 17, namely the difference value between t4 and t3 is the time required by the opening action of the vacuum breaker 3, the displacement of the action of the movable guide rod 4 can be accurately measured by the laser sensor 13, the moving speed of the movable guide rod 4 of the vacuum circuit breaker 3 during switching on and switching off can be obtained by utilizing the ratio of the displacement difference to the time difference, the response speed block is accurate in measured value, and the error is small.
The laser sensor 13, the receiving plate 14, the conducting plate 6, the conducting sensor 11 and the time detector 17 are electrically connected with the storage battery 15 and the singlechip 16;
the laser sensor 13, the receiving plate 14, the time detector 17 and the singlechip 16 form a circuit breaker closing loop;
the movable guide rod 4, the conductive plate 6, the conductive sensor 11, the time detector 17 and the single chip microcomputer 16 form a breaker opening loop, so that the breaker opening loop and the breaker opening loop can not be connected to a circuit at the same time;
the movable guide rod 4 is linked with a knife switch on the vacuum circuit breaker 3, and when the conductive plate 6 is contacted with the conductive sensor 11, the knife switch is in a separated state, namely the vacuum circuit breaker 3 completes the opening action.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a circuit breaker divide-shut brake speed measuring device based on laser sensor, includes mounting plate (1), its characterized in that: the arc extinguishing frame (2) is fixedly arranged on the right side of the top of the mounting base plate (1), a vacuum circuit breaker (3) is fixedly arranged on the top of the arc extinguishing frame (2), a movable guide rod (4) is assembled on the left side of the vacuum circuit breaker (3), a reflecting plate (5) is fixedly assembled on the end portion of the movable guide rod (4), a conductive plate (6) is fixedly arranged on the top of the reflecting plate (5), a fixed plate (7) is fixedly arranged on the left side of the top of the mounting base plate (1), a top plate (8) is fixedly arranged on the top of the fixed plate (7), a guide frame (9) is fixedly arranged on the right side of the bottom of the top plate (8), a connecting rod (10) is movably assembled on the guide frame (9), a conductive sensor (11) matched with the conductive plate (6) is fixedly assembled on the left end of the connecting rod (10), the other end of supporting spring (12) is fixed on arc extinguishing frame (2) outer wall, fixed laser sensor (13) corresponding with reflecting plate (5) that is provided with on the right side wall of fixed plate (7), the fixed receiving board (14) that is provided with in bottom of laser sensor (13), the fixed battery (15) that is provided with in top left side of mounting plate (1), the top electric connection of battery (15) has singlechip (16), the top electric connection of singlechip (16) has time detector (17).
2. The breaker opening and closing speed measuring device based on the laser sensor according to claim 1, characterized in that: the laser sensor (13), the receiving plate (14), the conducting plate (6), the conducting sensor (11) and the time detector (17) are electrically connected with the storage battery (15) and the single chip microcomputer (16).
3. The breaker opening and closing speed measuring device based on the laser sensor according to claim 2, characterized in that: the laser sensor (13), the receiving plate (14), the time detector (17) and the single chip microcomputer (16) form a circuit breaker closing loop.
4. The breaker opening and closing speed measuring device based on the laser sensor according to claim 2, characterized in that: the movable guide rod (4), the conductive plate (6), the conductive sensor (11), the time detector (17) and the single chip microcomputer (16) form a breaker opening loop.
5. The breaker opening and closing speed measuring device based on the laser sensor according to claim 1, characterized in that: the movable guide rod (4) is linked with a knife switch on the vacuum circuit breaker (3), and when the conductive plate (6) is contacted with the conductive sensor (11), the knife switch is in a separated state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558070.3U CN210665960U (en) | 2019-09-19 | 2019-09-19 | Breaker opening and closing speed measuring device based on laser sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558070.3U CN210665960U (en) | 2019-09-19 | 2019-09-19 | Breaker opening and closing speed measuring device based on laser sensor |
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| Publication Number | Publication Date |
|---|---|
| CN210665960U true CN210665960U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558070.3U Expired - Fee Related CN210665960U (en) | 2019-09-19 | 2019-09-19 | Breaker opening and closing speed measuring device based on laser sensor |
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| CN (1) | CN210665960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879960A (en) * | 2020-07-03 | 2020-11-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Laser ranging-based linear pull rod circuit breaker speed testing system and testing method |
| CN112129967A (en) * | 2020-09-24 | 2020-12-25 | 国网河南省电力公司检修公司 | Laser speed measuring device for testing rigid-separation speed and rigid-combination speed of high-voltage switch |
| CN115096578A (en) * | 2022-08-25 | 2022-09-23 | 国网山西省电力公司临汾供电公司 | High-voltage switch mechanical characteristic comprehensive test device |
-
2019
- 2019-09-19 CN CN201921558070.3U patent/CN210665960U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879960A (en) * | 2020-07-03 | 2020-11-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Laser ranging-based linear pull rod circuit breaker speed testing system and testing method |
| CN112129967A (en) * | 2020-09-24 | 2020-12-25 | 国网河南省电力公司检修公司 | Laser speed measuring device for testing rigid-separation speed and rigid-combination speed of high-voltage switch |
| CN115096578A (en) * | 2022-08-25 | 2022-09-23 | 国网山西省电力公司临汾供电公司 | High-voltage switch mechanical characteristic comprehensive test device |
| CN115096578B (en) * | 2022-08-25 | 2022-11-25 | 国网山西省电力公司临汾供电公司 | High-voltage switch mechanical characteristic comprehensive test device |
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Address after: 215000 Building 1, No.8 Yinzhu Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Areva electric (Suzhou) Co.,Ltd. Address before: 215000 Building 1, No.8 Yinzhu Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Ahaimen Electric Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |