CN206945266U - A kind of disconnecting switch mechanical feature detection device - Google Patents
A kind of disconnecting switch mechanical feature detection device Download PDFInfo
- Publication number
- CN206945266U CN206945266U CN201621161562.5U CN201621161562U CN206945266U CN 206945266 U CN206945266 U CN 206945266U CN 201621161562 U CN201621161562 U CN 201621161562U CN 206945266 U CN206945266 U CN 206945266U
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- China
- Prior art keywords
- disconnecting switch
- signal
- interface circuits
- shaping
- angular transducer
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Abstract
The utility model proposes a kind of disconnecting switch mechanical feature detection device, it is related to technical field of electric system protection, including torque sensor, angular transducer, shaping pulse module, I/O interface circuits and single-chip microcomputer, torque sensor is arranged in the operation handle of disconnecting switch, angular transducer is installed on the main shaft of the disconnecting switch, the signal of the torque sensor is transmitted to the I/O interface circuits by wireless, the signal that angular transducer obtains passes through the shaping pulse module shaping, signal after shaping is inputted to the I/O interface circuits, the signal of collection is delivered to the single-chip microcomputer by I/O interface circuits.The utility model carries out the test of dynamic characteristic using torque, angular transducer principle, with preferable dynamic response characteristic and higher measuring accuracy, and easily automatically controlled, tested with together with the control system in the external world, data processing and display and record etc., can it is objective, accurately disconnecting switch state is judged.
Description
Technical field
Technical field of electric system protection is the utility model is related to, especially a kind of disconnecting switch mechanical property detection dress
Put.
Background technology
With power network development, higher requirement is proposed to equipment dependability, the electric equipment most as usage amount ---
Disconnecting switch, its running situation are directly connected to power grid security.The reliability of disconnecting switch depends greatly on its machine
The reliability of tool operating system.Disconnecting switch occur to operate in operation failure, refuse point, refuse splitting or integrating combined floodgate it is not in place with
And transmission parts damage deformation be most common failure, and it is also possible to porcelain insulator breaking and cause fault spread.Therefore, becoming
Maintainer must reach the spot when power station carries out disconnecting switch grid switching operation, so as to the failure that emergent management may occur, make
Wasted into great manpower.Due to lacking the means of monitoring machine performance, it is impossible to accurately grasp its defect situation, it is impossible to predict hidden
The development trend of trouble, can only by rule of thumb with failure post analysis, counter arrange.
Utility model content
The utility model provides a kind of disconnecting switch mechanical feature detection device, can it is objective, accurately to disconnecting switch
State judged.
The utility model specifically adopts the following technical scheme that realization：
A kind of disconnecting switch mechanical feature detection device, including torque sensor, angular transducer, shaping pulse module,
I/O interface circuits and single-chip microcomputer, the torque sensor are arranged in the operation handle of disconnecting switch, the angular transducer peace
On the main shaft for filling the disconnecting switch, the signal of the torque sensor is transmitted to the I/O interface circuits by wireless,
The signal that the angular transducer obtains passes through the shaping pulse module shaping, and the signal after shaping is inputted to the I/O and connect
The signal of collection is delivered to the single-chip microcomputer by mouth circuit, the I/O interface circuits.
Preferably, the single-chip microcomputer is also associated with display, turn for real-time display electric current, voltage, power and house
Dynamic angle.
Preferably, the signal of the torque sensor is transmitted to wireless transmitter module by analog-digital converter, the nothing
Line transmitter module transmits a signal to wireless receiving module, and the wireless receiving module is by data by decoder transfers to described
I/O interface circuits.
Preferably, the single-chip microcomputer selects STC89C52 single chip, the angular transducer selects groove profile photoelectric sensing
Device.
A kind of disconnecting switch mechanical feature detection device provided by the utility model, its advantage are：Using torque,
Angular transducer principle carries out the test of dynamic characteristic, has preferable dynamic response characteristic and higher measuring accuracy, and
Easily automatically controlled, tested with together with the control system in the external world, data processing and display and record etc., can be objective, accurate
Disconnecting switch state is judged.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model disconnecting switch mechanical feature detection device；
Fig. 2 is the internal structure schematic diagram of torque sensor in Fig. 1.
Embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
The transmission link of disconnecting switch is more, and major part is directly exposed in air, larger by such environmental effects, passes
Dynamic part bite will bring adverse consequences.The bite of running part will be reflected directly in the increase of operating mechanism main shaft moment of torsion,
If electric operating, will also react in the increase of current of electric or power.So choose angle and torque, power it is corresponding
Relation, there is bite phenomenon, be most intuitively in certain angle, torque and power relative standard's defect have significant change.
As shown in figure 1, a kind of disconnecting switch mechanical feature detection device that this implementation provides, including torque sensor, angle
Spend sensor, shaping pulse module, I/O interface circuits and single-chip microcomputer.Torque sensor is arranged on the operation handle of disconnecting switch
On, signal is transmitted to wireless transmitter module, wireless receiving module reception signal by analog-digital converter and simultaneously demodulated by decoder
Afterwards, input to I/O interface circuits.Angular transducer is installed on the main shaft of the disconnecting switch, and the signal of acquisition is through extra pulse
The signal of collection is delivered to single-chip microcomputer by Shaping Module shaping, pulse input to I/O interface circuits, the I/O interface circuits after shaping,
Single-chip microcomputer will be sampled by the rhythm of flip angle pulses to dtc signal, so as to obtain the data of one group of corner and torque.
Single-chip microcomputer can also connect LCD display and memory, LCD display real-time display electric current, voltage, power, action
The data such as time, main axis angle, memory preserve test data for inquiry.Single-chip microcomputer can also pass through communication module and electric energy
Computation chip RN8209G connections, calculate to the voltage and current of collection, produce the frequency pulse directly proportional to bearing power
Signal, the electrical parameter of correlation is obtained, the control system of these data transfers to backstage, completes electric current, voltage, power signal
Collection, digital-to-analogue conversion and I/O outputs.
Torque can utilize simple device that torque is converted into measurement to power and magnetic, for power and magnetic the two physics
The detection of amount can use resistance-strain type torque sensor, as shown in Fig. 2 using metal strain principle, when metal is by outer masterpiece
Used time resistance value can occur, and it changes I greatly and tried to achieve according to Hooke's law.
The application carries out the test of dynamic characteristic using torque, angular transducer principle, has preferable dynamic response special
Property and higher measuring accuracy, and easily automatically controlled, tested with together with the control system in the external world, data processing and display
With record etc., can it is objective, accurately disconnecting switch state is judged.After disconnecting switch installation and debugging, it is necessary to
Its state is detected,, can be right at the scene after it puts some time into operation to judge that it whether there is primitiveness defect
Its state is detected, and is analyzed the variation tendency of its important parameter and then is predicted whether defective presence, so as to be repair based on condition of component
Scientific basis is provided.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (4)
1. a kind of disconnecting switch mechanical feature detection device, it is characterised in that including torque sensor, angular transducer, pulse
Shaping Module, I/O interface circuits and single-chip microcomputer, the torque sensor are arranged in the operation handle of disconnecting switch, the angle
Spend sensor to install on the main shaft of the disconnecting switch, the signal of the torque sensor is transmitted to the I/ by wireless
O Interface circuit, the signal that the angular transducer obtains pass through the shaping pulse module shaping, the signal after shaping input to
The signal of collection is delivered to the single-chip microcomputer by the I/O interface circuits, the I/O interface circuits.
A kind of 2. disconnecting switch mechanical feature detection device according to claim 1, it is characterised in that：The single-chip microcomputer is also
Display is connected with, for real-time display electric current, voltage, power and house rotational angle.
A kind of 3. disconnecting switch mechanical feature detection device according to claim 1, it is characterised in that：The torque sensing
The signal of device is transmitted to wireless transmitter module by analog-digital converter, and the wireless transmitter module transmits a signal to wireless receiving
Data are passed through decoder transfers to the I/O interface circuits by module, the wireless receiving module.
A kind of 4. disconnecting switch mechanical feature detection device according to claim 1, it is characterised in that：The single-chip microcomputer choosing
With STC89C52 single chip, the angular transducer selects trough type photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161562.5U CN206945266U (en) | 2016-11-01 | 2016-11-01 | A kind of disconnecting switch mechanical feature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161562.5U CN206945266U (en) | 2016-11-01 | 2016-11-01 | A kind of disconnecting switch mechanical feature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945266U true CN206945266U (en) | 2018-01-30 |
Family
ID=61356260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621161562.5U Expired - Fee Related CN206945266U (en) | 2016-11-01 | 2016-11-01 | A kind of disconnecting switch mechanical feature detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390120A (en) * | 2017-07-26 | 2017-11-24 | 国网河南省电力公司南阳供电公司 | Disconnecting switch mechanical load Intelligent live test device and method of testing |
| CN109459173A (en) * | 2018-12-17 | 2019-03-12 | 煤科集团沈阳研究院有限公司 | Mining disconnecting switch action process torque testing system and test method |
| CN109738181A (en) * | 2019-01-09 | 2019-05-10 | 国网湖南省电力有限公司 | Isolator operating mechanism and its application method with mechanical bite detection function |
-
2016
- 2016-11-01 CN CN201621161562.5U patent/CN206945266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390120A (en) * | 2017-07-26 | 2017-11-24 | 国网河南省电力公司南阳供电公司 | Disconnecting switch mechanical load Intelligent live test device and method of testing |
| CN109459173A (en) * | 2018-12-17 | 2019-03-12 | 煤科集团沈阳研究院有限公司 | Mining disconnecting switch action process torque testing system and test method |
| CN109738181A (en) * | 2019-01-09 | 2019-05-10 | 国网湖南省电力有限公司 | Isolator operating mechanism and its application method with mechanical bite detection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20191101 |