CN201654175U - Power equipment visual detection device based on partial discharge signal - Google Patents
Power equipment visual detection device based on partial discharge signal Download PDFInfo
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- CN201654175U CN201654175U CN201020155363XU CN201020155363U CN201654175U CN 201654175 U CN201654175 U CN 201654175U CN 201020155363X U CN201020155363X U CN 201020155363XU CN 201020155363 U CN201020155363 U CN 201020155363U CN 201654175 U CN201654175 U CN 201654175U
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- power equipment
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Abstract
The utility model provides a power equipment visual detection device based on partial discharge signal, comprising a shaft rod, a vertical lifting motor, a horizontal rotating motor, an ultraviolet ray sensing circuit, a control circuit and a pick-up device; the control input ends of the vertical lifting motor and the horizontal rotating motor are electrically connected with the control output end of the control circuit, and the signal output ends of the ultraviolet ray sensing circuit and the pick-up device are electrically connected with the signal input end of the control circuit; the ultraviolet ray sensing circuit and the pick-up device are fixed on a chassis and can do lifting movement under the driving of the vertical lifting motor and can rotate with 360 degrees axially and horizontally under the driving of the horizontal rotating motor; the ultraviolet ray sensing circuit comprises at least four ultraviolet ray sensors which are uniformly fixed axially relative to the chassis; in the device, the position and orientation of the pick-up device can be dynamically regulated according to the signal strength detected by the ultraviolet ray sensing circuit, so as to realize the optimal partial discharge fault point video image acquisition and meet special requirements of status monitoring and overhauling of the power equipment.
Description
Technical field
The utility model relates to the electrical equipment fault monitoring technical field, and is particularly a kind of based on the local discharge signal detection, cooperates the power equipment endoscope system of video fault graph as acquisition mode.
Background technology
Development along with electric utility, more and more higher to the service requirement steady in a long-term of power equipment in generating plant, transformer station and the transmission line of electricity in the electric system, generation for prevention power equipment catastrophic failure often needs regularly power equipment to be carried out status monitoring and fault diagnosis.At present the examination and maintenance of power equipment are judged according to staff's experience often, carry out regular examination and maintenance, this mode tends to the waste that causes device resource unnecessary, and can not in time find some glitch of power equipment inside, and only develop into catastrophic failure at glitch, even occur just being found when power equipment damages, thereby caused great economic loss, reduced the operational efficiency of power equipment, can not accomplish in time to find the fault of power equipment, take precautions against in possible trouble.
A kind of power equipment endoscope system based on embedded computer is disclosed in the patent No. is the Chinese utility model patent of ZL200720125217.0, this system simultaneously power equipment is carried out image acquisition and ultraviolet discharge detects, can detect insulation degradation situation, equipment damage and the workpiece internal state of power equipment to a certain extent, but its automaticity is not high, the position of camera head with towards can not dynamically adjusting, make troubles to detecting operation.
The utility model content
In view of this,, the utility model proposes a kind of power equipment visual detection device, can dynamically adjust the position of camera head, to realize best fault video image acquisition based on local discharge signal in order to address the above problem.
The purpose of this utility model is achieved in that the power equipment visual detection device based on local discharge signal, comprise axostylus axostyle, VTOL (vertical take off and landing) motor, horizontally rotate motor, ultraviolet sensing circuit, control circuit and camera head, the VTOL (vertical take off and landing) motor is electrically connected with the control output end of control circuit with the control input end that horizontally rotates motor, and the signal output part of described ultraviolet sensing circuit and camera head is electrically connected with the signal input part of control circuit; Described axostylus axostyle and VTOL (vertical take off and landing) motor and the output shaft that horizontally rotates motor are in transmission connection; Described ultraviolet sensing circuit comprises at least 4 UV sensor, and 4 UV sensor are along circumferentially being provided with the axostylus axostyle relative fixed equably.
Further, described axostylus axostyle is provided with along the chassis of axostylus axostyle vertical movement, and 4 UV sensor are fixedly mounted on the chassis along level perpendicular to axial direction equably;
Further, the shooting direction of camera head and one of them UV sensor towards identical;
Further, described power equipment visual detection device based on local discharge signal also comprises light emitting source, and described light emitting source is towards identical with camera head shooting direction;
Further, described power equipment visual detection device based on local discharge signal also comprises wireless communication module, and described wireless communication module is used for being electrically connected with control circuit.
Advantage of the present utility model is: image acquisition organically can be combined with Partial Discharge Detection, utilize the Partial Discharge Detection result dynamically adjust camera head the position and towards, the foreign matter that can detect, guard power equipment inside exists and electric discharge phenomena such as power equipment built-in electrical insulation cracking, satisfies the specific demand of power equipment state monitoring and overhaul of the equipments.In further technical scheme, the vision signal that can obtain by remote control terminal wireless receiving camera head, and can realize the remote wireless control camera head the position and towards, thereby realize the fault video image acquisition of best angle.
Other advantage of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantage can be passed through instructions, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
Fig. 1 shows the structural representation based on the power equipment visual detection device of local discharge signal;
Fig. 2 shows based on circuit connection structure synoptic diagram in the power equipment visual detection device of local discharge signal;
Fig. 3 shows the power equipment visual detection device medium ultraviolet sensor installation site synoptic diagram based on local discharge signal;
Fig. 4 shows the structural representation based on camera head and LED in the power equipment visual detection device of local discharge signal;
Fig. 5 shows the power equipment visual detection device medium ultraviolet sensor orientation sensitivity synoptic diagram based on local discharge signal;
Fig. 6 shows the detection method schematic flow sheet based on the power equipment visual detection device of local discharge signal.
Embodiment
Below with reference to accompanying drawing, embodiment of the present utility model is described.
Referring to Fig. 1,2, the power equipment visual detection device based on local discharge signal of present embodiment, comprise axostylus axostyle 1, VTOL (vertical take off and landing) motor 2, horizontally rotate motor 3, ultraviolet sensing circuit 4, control circuit 5, camera head 6, wireless communication module 7 and casing 8, described axostylus axostyle 1 is arranged at casing 8 belows, VTOL (vertical take off and landing) motor 2 is a stepper motor with horizontally rotating motor 3, control circuit 5 is an embedded computer system, wireless communication module 7 is selected the GPRS module for use, VTOL (vertical take off and landing) motor 2 is electrically connected with the control output end of control circuit 5 with the control input end that horizontally rotates motor 3, and described ultraviolet sensing circuit 4 and camera head 6 are installed on the chassis 10.The signal output part of ultraviolet sensing circuit 4 and camera head 6 is electrically connected with the signal input part of control circuit 5, ultraviolet sensing circuit 4 outputs to control circuit 5 with detection signal, described chassis 10 can move up and down under the drive of VTOL (vertical take off and landing) motor 2, horizontally rotating rotation vertically under motor 3 drives, 5 pairs of VTOL (vertical take off and landing) motors of control circuit 2 are controlled with the running that horizontally rotates motor 3, with the position of adjusting ultraviolet sensing circuit 4 and camera head 6 with towards, the picture signal that control circuit 5 also can obtain camera head 6 is sent to remote monitoring terminal 9 by wireless communication module 7, and the steering order of receiving remote monitor terminal 9, VTOL (vertical take off and landing) motor 2 and the running that horizontally rotates motor 3 are controlled; Described ultraviolet sensing circuit 4 comprises related peripheral circuit compositions such as 4 UV sensor 41 (as photomultiplier) and amplification filtering, A/D conversion; Be set with chassis 10 on the axostylus axostyle 1, referring to Fig. 3,4 UV sensor 41,42,43,44 along circumferentially being fixedly installed on equably on the chassis 10, the sensor input of each photomultiplier partly adopts optical filter to filter, and with the shading funnel carry out the detection side to restriction, guarantee the level of each UV signal sensor, the vertical detection scope is greater than 90 degree, generally be controlled at about 135 degree, and also there is certain overlapping surveyed area in the surveyed area of per 2 Ultraviolet sensors, guarantee not have the dead band of omission to exist, so just can guarantee that 4 Ultraviolet sensors can carry out the omnibearing UV signal of 360 degree and detect; In the time of the inner generation of power equipment high-voltage partial discharge, can give off ultraviolet signal, because what Ultraviolet sensor received is the UV radiation signal of space 360 degree, so any one direction generation shelf depreciation, the UV signal that radiates can both be detected by the Ultraviolet sensor on certain two adjacent surface on the chassis.Because 4 photomultipliers that Ultraviolet sensor all is same model, and the testing circuit of amplification filtering also done conforming calibration, therefore has identical direction and sensitivity and directive property, and sensory characteristic as shown in Figure 5; The shooting direction of camera head 6 and UV sensor 41 towards identical; Referring to Fig. 4, can arrange around the camera 61 of camera head 6 that a plurality of LED lamp pearls 62 are light emitting source, it takes the position towards identical with camera 61 shooting directions to illuminate.
Referring to Fig. 6, the detection method of above-mentioned power equipment visual detection device based on local discharge signal comprises the steps:
1), between control circuit and remote monitoring terminal, sets up remote monitoring and be connected by the wireless GPRS communication module;
2) log-on data collecting thread is opened and initialization camera head and ultraviolet sensing circuit; And judge whether camera head and ultraviolet sensing circuit the initialization mistake occurs, in this way, the report remote monitoring terminal as not, is then carried out next step;
3) to monitor shelf depreciation in real time be the ultraviolet signal that gives off to UV sensor, and amplify, after the Filtering Processing, output to control circuit by analog digital (AD) conversion through ultraviolet sensing circuit;
4) control circuit compares the output amplitude V of each UV sensor
1, V
2, V
3, V
4Whether greater than setting threshold 1.0V.If output signal is then got back to the continuation monitor state not greater than setting threshold 1.0V, otherwise to output amplitude V
1, V
2, V
3, V
4Sort from big to small.
Control circuit is the output amplitude of each UV sensor relatively, determines maximum 2 output amplitude V
Max1, V
Max2The angle direction of pairing 2 UV sensor is shelf depreciation point direction, and calculating by the following method and the Ultraviolet sensor of camera equidirectional and the size of shelf depreciation point angle theta, and the video capture method of the optimum camera anglec of rotation.
1. the calculating of the Ultraviolet sensor of camera equidirectional and shelf depreciation point angle theta
Make f (α) for the detection sensitivity of Ultraviolet sensor on direction α, α is a variable quantity with 1 °, according to formula: f (α)/f (90 °-α), the numerical value when calculating α and changing between 0 °-45 ° can obtain a storage list Angle_Table.
2 UV sensor detect the amplitude V of discharge output
Max1, V
Max2Be tied to form upright just like ShiShimonoseki with angle theta:
According to V
Max1/ V
Max2Value in Angle_Table table, find the size of θ value.
The calculating of the 2. optimum camera anglec of rotation
If V
Max1=V
1, V
Max2=V
2, stepper motor is rotated counterclockwise the θ angle, if V
Max1=V
1, V
Max2=V
4, the stepper motor θ angle that turns clockwise;
If V
Max1=V
2, V
Max2=V
3, stepper motor is rotated counterclockwise θ+90 ° angle, if V
Max1=V
2, V
Max2=V
1, stepper motor is rotated counterclockwise 90 °-θ angle;
If V
Max1=V
3, V
Max2=V
4, if the stepper motor 180 °-θ angle that turns clockwise is V
Max1=V
3, V
Max2=V
2, stepper motor is rotated counterclockwise 180 °-θ angle;
If V
Max1=V
4, V
Max2=V
1, stepper motor is rotated counterclockwise 90 °-θ angle, if V
Max1=V
4, V
Max2=V
3, the stepper motor 90 °+θ angle that turns clockwise;
5) angular metric with the stepper motor rotation turns to the pulse step number that the control step motor moves, and control circuit is according to sense of rotation and umber of pulse, and controlling level electric rotating machine drive axostylus axostyle carries out corresponding horizontal and rotatablely moves, and makes and takes direction towards the shelf depreciation point;
6) completing steps 5) after, control VTOL (vertical take off and landing) stepper motor vertically moves upward the current output amplitude Y (h) of real time record Ultraviolet sensor.If the output amplitude Y (h) of Ultraviolet sensor increases, continue to move upward, till Y (h) just reduces; If the output amplitude Y (h) of Ultraviolet sensor reduces, change direction of motion, Y (h) increases, and till Y (h) just reduces, notes this position h constantly.
7) above-mentioned steps 4 of repetition), 5), 6), the controlling level electric rotating machine carries out fine motion in positive and negative 15 ° of degree scopes to be regulated, make identical with camera head towards UV sensor output amplitude maximum, control VTOL (vertical take off and landing) stepper motor is regulated in positive and negative 15cm scope back and forth, make camera head identical towards the UV sensor output amplitude reach maximum, promptly camera is taken direction over against the shelf depreciation point;
Since this moment identical with camera head towards UV sensor in the horizontal direction, vertical direction is all over against the trouble spot of shelf depreciation, so identical with camera head towards the UV signal of UV sensor incident maximum, the intensity maximum of output, the shooting direction of camera head are also towards the trouble spot of shelf depreciation;
8) gather vision signal and UV detection signal;
9) vision signal and UV detection signal are transferred to remote control terminal by wireless communication module;
10) finish to gather closing device.
In addition, also can use remote control terminal to send control command to control circuit, according to the needs of partial discharges fault diagnosis, remote monitoring terminal can be adjusted the shooting direction and the angle of Long-distance Control camera head by the wireless GPRS module, thereby reaches video diagnostic purpose intuitively.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (5)
1. based on the power equipment visual detection device of local discharge signal, it is characterized in that: comprise axostylus axostyle, VTOL (vertical take off and landing) motor, horizontally rotate motor, ultraviolet sensing circuit, control circuit and camera head, the VTOL (vertical take off and landing) motor is electrically connected with the control output end of control circuit with the control input end that horizontally rotates motor, and the signal output part of described ultraviolet sensing circuit and camera head is electrically connected with the signal input part of control circuit; Described ultraviolet sensing circuit and camera head are fixed on the chassis, are in transmission connection with VTOL (vertical take off and landing) motor and the output shaft that horizontally rotates motor; Described ultraviolet sensing circuit comprises at least 4 UV sensor, and 4 UV sensor are provided with along circumferentially distributing equably.
2. the power equipment visual detection device based on local discharge signal as claimed in claim 1, it is characterized in that: described axostylus axostyle is provided with along the chassis of axostylus axostyle vertical movement, and 4 UV sensor are fixedly mounted on the chassis equably along level perpendicular to axial direction.
3. the power equipment visual detection device based on local discharge signal as claimed in claim 2 is characterized in that: the shooting direction of camera head and one of them UV sensor towards identical.
4. the power equipment visual detection device based on local discharge signal as claimed in claim 3, it is characterized in that: described power equipment visual detection device based on local discharge signal also comprises light emitting source, and described light emitting source is towards identical with camera head shooting direction.
5. the power equipment visual detection device based on local discharge signal as claimed in claim 1, it is characterized in that: described power equipment visual detection device based on local discharge signal also comprises wireless communication module, and described wireless communication module is used for being electrically connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020155363XU CN201654175U (en) | 2010-04-09 | 2010-04-09 | Power equipment visual detection device based on partial discharge signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020155363XU CN201654175U (en) | 2010-04-09 | 2010-04-09 | Power equipment visual detection device based on partial discharge signal |
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| Publication Number | Publication Date |
|---|---|
| CN201654175U true CN201654175U (en) | 2010-11-24 |
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| CN201020155363XU Expired - Lifetime CN201654175U (en) | 2010-04-09 | 2010-04-09 | Power equipment visual detection device based on partial discharge signal |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852835A (en) * | 2010-04-09 | 2010-10-06 | 重庆大学 | Power equipment visual detection device based on partial discharge signal and detection method thereof |
| CN104237746A (en) * | 2013-06-13 | 2014-12-24 | 成都昊地科技有限责任公司 | Partial discharge detector used for electrical equipment |
| CN105136205A (en) * | 2015-09-18 | 2015-12-09 | 江健良 | High voltage power station cable detection apparatus provided with rotating speed detector |
| CN105258723A (en) * | 2015-09-18 | 2016-01-20 | 江健良 | High-voltage station detection device |
| CN105318914A (en) * | 2015-11-09 | 2016-02-10 | 谢广鹏 | High voltage power station detection device |
| CN105333903A (en) * | 2015-11-09 | 2016-02-17 | 谢广鹏 | High-voltage power station detection device with rotation speed detector |
| CN105424085A (en) * | 2015-11-09 | 2016-03-23 | 邝嘉豪 | High-voltage station detection device |
| CN105424086A (en) * | 2015-11-09 | 2016-03-23 | 邝嘉豪 | High-sensitivity high-voltage power station detection device |
| CN110198410A (en) * | 2019-05-31 | 2019-09-03 | 广东小天才科技有限公司 | Shoot based reminding method, wearable device and storage medium |
| CN113049926A (en) * | 2021-03-09 | 2021-06-29 | 海南电网有限责任公司儋州供电局 | Power equipment video monitoring device based on partial discharge signal |
| CN114325264A (en) * | 2021-12-24 | 2022-04-12 | 广东电网有限责任公司 | Power equipment discharge detection method, helmet and storage medium |
| CN116136561A (en) * | 2023-02-15 | 2023-05-19 | 上海格鲁布科技有限公司 | Partial discharge remote on-line diagnosis data method, system, equipment and storage medium |
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2010
- 2010-04-09 CN CN201020155363XU patent/CN201654175U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852835A (en) * | 2010-04-09 | 2010-10-06 | 重庆大学 | Power equipment visual detection device based on partial discharge signal and detection method thereof |
| CN101852835B (en) * | 2010-04-09 | 2013-01-09 | 重庆大学 | Power equipment visual detection device based on partial discharge signal and detection method thereof |
| CN104237746A (en) * | 2013-06-13 | 2014-12-24 | 成都昊地科技有限责任公司 | Partial discharge detector used for electrical equipment |
| CN105136205A (en) * | 2015-09-18 | 2015-12-09 | 江健良 | High voltage power station cable detection apparatus provided with rotating speed detector |
| CN105258723A (en) * | 2015-09-18 | 2016-01-20 | 江健良 | High-voltage station detection device |
| CN105318914A (en) * | 2015-11-09 | 2016-02-10 | 谢广鹏 | High voltage power station detection device |
| CN105333903A (en) * | 2015-11-09 | 2016-02-17 | 谢广鹏 | High-voltage power station detection device with rotation speed detector |
| CN105424085A (en) * | 2015-11-09 | 2016-03-23 | 邝嘉豪 | High-voltage station detection device |
| CN105424086A (en) * | 2015-11-09 | 2016-03-23 | 邝嘉豪 | High-sensitivity high-voltage power station detection device |
| CN106546289A (en) * | 2015-11-09 | 2017-03-29 | 钱才英 | It is provided with the high voltage generating station detection means of rotating speed detector |
| CN106546287A (en) * | 2015-11-09 | 2017-03-29 | 钱才英 | A kind of high voltage generating station detection means for being provided with rotating speed detector |
| CN106568476A (en) * | 2015-11-09 | 2017-04-19 | 钱才英 | High voltage power station detection device |
| CN106568477A (en) * | 2015-11-09 | 2017-04-19 | 钱才英 | High-voltage power plant detection device |
| CN106597130A (en) * | 2015-11-09 | 2017-04-26 | 钱才英 | High-voltage power station detection device with rotation speed detector |
| CN110198410A (en) * | 2019-05-31 | 2019-09-03 | 广东小天才科技有限公司 | Shoot based reminding method, wearable device and storage medium |
| CN110198410B (en) * | 2019-05-31 | 2021-02-23 | 广东小天才科技有限公司 | Shooting reminding method, wearable device and storage medium |
| CN113049926A (en) * | 2021-03-09 | 2021-06-29 | 海南电网有限责任公司儋州供电局 | Power equipment video monitoring device based on partial discharge signal |
| CN114325264A (en) * | 2021-12-24 | 2022-04-12 | 广东电网有限责任公司 | Power equipment discharge detection method, helmet and storage medium |
| CN116136561A (en) * | 2023-02-15 | 2023-05-19 | 上海格鲁布科技有限公司 | Partial discharge remote on-line diagnosis data method, system, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |