CN208907792U - A kind of breaker data acquisition device - Google Patents
A kind of breaker data acquisition device Download PDFInfo
- Publication number
- CN208907792U CN208907792U CN201821256467.2U CN201821256467U CN208907792U CN 208907792 U CN208907792 U CN 208907792U CN 201821256467 U CN201821256467 U CN 201821256467U CN 208907792 U CN208907792 U CN 208907792U
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- China
- Prior art keywords
- breaker
- sensor
- data acquisition
- acquisition device
- power supply
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Abstract
The utility model discloses a kind of breaker data acquisition devices, including power supply, detector, controller, the detector includes the giant magneto-resistance sensor of the rotation angle for monitoring breaker main shaft during divide-shut brake and the Hall current sensor of monitoring divide-shut brake coil current；The output end of the power supply is connect with the giant magneto-resistance sensor, the Hall current sensor and the controller respectively；The other end of the giant magneto-resistance sensor other end and the Hall current sensor is connect with the controller respectively.The utility model rotates angle by measurement breaker main shaft, is acquired analysis to breaker mechanical fault data.
Description
Technical field
The utility model relates to breaker monitoring technical field more particularly to a kind of breaker data acquisition devices.
Background technique
In the power system, breaker is in core status, and major function is for arc extinguishing and to cut-off line load, no
Only there is control action, and there is protective effect, electrical action in operation is more, it is necessary to ensure that its safety in operation
With reliability.It is shown through investigation and statistical report, circuit breaker failure 80% is to belong to mechanical reason.Existing diagnostic device is all
Using linear displacement transducer or vibrating sensor to measuring mechanical characteristics, but complexity is installed, installation space is small, and the number acquired
According to being not easy to analyze.
Utility model content
The utility model aim is to overcome the deficiencies of the prior art and provide a kind of breaker data acquisition device, it is logical
Measurement breaker main shaft rotation angle is crossed, analysis is acquired to breaker mechanical fault data.
The utility model provides a kind of breaker data acquisition device, which is characterized in that a kind of breaker data acquisition dress
It sets, which is characterized in that including power supply, detector, controller, the detector includes dividing for monitoring breaker main shaft
The giant magneto-resistance sensor of rotation angle in making process and the Hall current sensor of monitoring divide-shut brake coil current；The confession
The output end of power supply is connect with the giant magneto-resistance sensor, the Hall current sensor and the controller respectively；It is described
The other end of the giant magneto-resistance sensor other end and the Hall current sensor is connect with the controller respectively.
It further, further include display screen, one end of the display screen is connect with the output end of the power supply, described
The other end of display screen is connect with the controller.
Further, power supply, the detector, the controller and the display screen pass through RS485 respectively and connect
Carry out sending and receiving data.
Further, giant magneto-resistance sensor mainly includes magnet and sensor, and magnet is installed on the secondary chamber of breaker
On main shaft, sensor is aligned with the magnetic blow out centre.
Further, giant magneto-resistance sensor uses favour Stone circuit, and four independent giant magnetoresistance sensing units form one
Wheatstone bridge；Giant magnetoresistance sensing unit resistance value can change as the direction of external magnetic field changes.
Further, power supply is 220V AC voltage.
The utility model by adopting the above technical scheme, has the following beneficial effects:
The utility model utilizes giant magnetoresistance principle using giant magneto-resistance sensor, can detect 360 ° of rotation angles of breaker main shaft
Degree, and, the giant magneto-resistance sensor essence of selection higher, more reliable and easy for installation relative to traditional angular displacement sensor precision
Accuracy is high and can judge rigid branch, and small in size, easy to maintain, is a kind of reliable failure diagnosis apparatus.
Detailed description of the invention
Fig. 1 is the structural block diagram of an embodiment of the utility model breaker data acquisition device.
Fig. 2 is the giant magneto-resistance sensor working principle diagram of the utility model breaker data acquisition device.
Appended drawing reference:
1. power supply；2. detector；3. controller；4. display screen；5. giant magneto-resistance sensor；6. current sensor.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.
It is the structural block diagram of an embodiment of the utility model breaker data acquisition device in conjunction with Fig. 1 and Fig. 2, Fig. 1.Figure
2 be the giant magneto-resistance sensor working principle diagram of the utility model breaker data acquisition device.The breaker data of the application is adopted
Acquisition means, including power supply 1, detector 2, controller 3, detector 2 include for monitoring breaker main shaft in divide-shut brake mistake
The giant magneto-resistance sensor 5 of rotation angle in journey and the Hall current sensor 6 of monitoring divide-shut brake coil current.The power supply electricity
The output end in source 1 is connect with giant magneto-resistance sensor 5, Hall current sensor 6 and the controller 3 respectively；Giant magneto-resistance sensor 5
The other end of the other end and the Hall current sensor 6 is connect with the controller respectively.
The utility model embodiment is using giant magneto-resistance sensor 5 and Hall current sensor 6, to collect breaker
The Spindle rotation angle degree and divide-shut brake coil current, the two of each action moment indicate that abscissa is the time all with curve form.
Tradition machinery characteristic curve be measured offline using displacement sensor stroke-time graph indicate, angular displacement-time graph with
Stroke-time graph has corresponding relationship, can mutually be converted by calculating.Giant magneto-resistance sensor 5 utilizes giant magnetoresistance effect principle,
Make working sensor in magnetic field saturation region, can be changed as the direction of external magnetic field changes using giant magnetoresistance sensing unit resistance value
Characteristic, by measurement main shaft rotation when, Spindle rotation angle degree is measured with the changes of magnetic field of angle change, measures contact indirectly
Stroke.
Preferably, Hall current sensor 6, model select ACS712ELCTR-05B-T, measurement range 5A.
Preferably, giant magneto-resistance sensor 5 mainly includes magnet and sensor, and magnet magnet is installed on the secondary chamber of breaker
Main shaft on, it is easy for installation for the opposite traditional sensors for installing a secondary chamber, it is larger that available space is installed.Sensor
It is aligned with magnetic blow out centre.Its inductive material mainly includes reference layer, common layer and free layer.The magnetic direction of reference layer is fixed
, it will not be influenced by the direction of external magnetic field.Common layer format non-magnetic material, for reference layer and free layer is isolated.Freely
The magnetic direction of layer can change with the change in external magnetic field direction.Free layer and reference layer magnetic field angle determine giant magnetoresistance
The size of resistance value, referring to following formula:
Referring to fig. 2, it is preferable that giant magneto-resistance sensor 5 uses favour Stone circuit, four independent giant magnetoresistance sensing unit groups
At a favour stone.Arrow direction represents the direction of reference layer.The part Vx and the part Vy are respectively two-way output, detect magnetic field
The angle change within the scope of 360 ° can be detected after being uniformly processed in sinusoidal and varies with cosine.The power consumption of this sensor
Small, small in size and cost performance is high, and precision, which meets, to be used.
Preferably, breaker data acquisition device further includes display screen 4, and one end of display screen 4 is defeated with power supply 1
Outlet connection, the other end of the display screen 4 are connect with the controller 3.Preferably, 5 cun of liquid crystal displays can be used in display screen, use
In checking fail result and test curve.
Preferably, power supply 1, detector 2, controller 3 are connected by RS485 respectively with display screen 4 carries out transmitting-receiving number
According to.220V AC voltage is converted into DC voltage by power supply 1, is detector 2, controller 3 using low-pressure linear voltage-stablizer
It powers with display screen 4.
In conclusion in the present embodiment, by using the detector that giant magneto-resistance sensor and Hall current sensor form,
Structure is simply easily installed, and installs that available space is big, the breaker mechanical data of acquisition passing through compared with the prior art
The data precision of angular displacement sensor acquisition is higher, more reliable, it is easier to analyze.
Further, in the present embodiment, the breaker mechanical data based on acquisition, according to the data of sensor analysis and
Extracting characteristic point can be used for carrying out fault diagnosis identification, specifically, controller 3 can also be utilized according to the data received
After algorithm identification feature point, with database standard curve comparison, diagnostic result is transferred to display screen and is shown on a display screen.
The utility model is not limited to above-mentioned preferred forms, and those of ordinary skill in the art open the utility model
Other various forms of products can be obtained under showing, however, do any variation in its shape or structure, it is all have with
The identical or similar technical solution of the application, all falls within the protection scope of the utility model.
Claims (6)
1. a kind of breaker data acquisition device, which is characterized in that including power supply, detector, controller, the detector
Giant magneto-resistance sensor and monitoring divide-shut brake coil including the rotation angle for monitoring breaker main shaft during divide-shut brake
The Hall current sensor of electric current；The output end of the power supply respectively with the giant magneto-resistance sensor, the Hall current
Sensor is connected with the controller；The other end of the giant magneto-resistance sensor other end and Hall current sensor difference
It is connect with the controller.
2. breaker data acquisition device according to claim 1, which is characterized in that it further include display screen, the display
One end of screen is connect with the output end of the power supply, and the other end of the display screen is connect with the controller.
3. breaker data acquisition device according to claim 2, which is characterized in that the power supply, the detection
Device, the controller and the display screen pass through RS485 respectively and connect progress sending and receiving data.
4. breaker data acquisition device according to claim 1, which is characterized in that the giant magneto-resistance sensor includes magnetic
Iron and sensor, the magnet are installed on the main shaft of the secondary chamber of breaker, and the sensor is aligned with the magnetic blow out centre.
5. breaker data acquisition device according to claim 1, which is characterized in that the giant magneto-resistance sensor uses favour
Stone circuit forms a Wheatstone bridge by four independent giant magnetoresistance sensing units；The giant magnetoresistance sensing unit resistance
Value can change as the direction of external magnetic field changes.
6. breaker data acquisition device according to claim 1, which is characterized in that the power supply is 220V exchange
Voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256467.2U CN208907792U (en) | 2018-08-06 | 2018-08-06 | A kind of breaker data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256467.2U CN208907792U (en) | 2018-08-06 | 2018-08-06 | A kind of breaker data acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208907792U true CN208907792U (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821256467.2U Expired - Fee Related CN208907792U (en) | 2018-08-06 | 2018-08-06 | A kind of breaker data acquisition device |
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| Country | Link |
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| CN (1) | CN208907792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353837A (en) * | 2021-06-10 | 2021-09-07 | 南京音飞储存设备（集团）股份有限公司 | Jacking reversing control unit and control method of walking trolley and walking trolley |
-
2018
- 2018-08-06 CN CN201821256467.2U patent/CN208907792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353837A (en) * | 2021-06-10 | 2021-09-07 | 南京音飞储存设备（集团）股份有限公司 | Jacking reversing control unit and control method of walking trolley and walking trolley |
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| 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: 20190528 Termination date: 20210806 |