CN210090576U - Arrester running state on-line measuring device - Google Patents
Arrester running state on-line measuring device Download PDFInfo
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- CN210090576U CN210090576U CN201920477526.7U CN201920477526U CN210090576U CN 210090576 U CN210090576 U CN 210090576U CN 201920477526 U CN201920477526 U CN 201920477526U CN 210090576 U CN210090576 U CN 210090576U
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Abstract
The utility model is suitable for a lightning arrester detection area provides a lightning arrester running state on-line measuring device, including the detection case, the detection case internal fixation has the door template, there are current acquisition board and main control board in the middle of the door template, current acquisition board is including being located three pairs of terminal that bilateral symmetry set up and being located middle three routes current transformer, three routes current transformer's data output end with the main control board is connected. The device can realize simultaneous monitoring of three phases of the arrester A, B, C, and each part is independent, thereby facilitating maintenance; in addition, the device has good waterproofness, and the service life of the device is ensured.
Description
Technical Field
The utility model belongs to the technical field of the arrester detects, especially, relate to an arrester running state on-line measuring device.
Background
State monitoring and fault diagnosis of power system equipment are new technologies which develop rapidly in the last 10 years, and have good development and application prospects. However, the current status monitoring and fault diagnosis applications are not common, and various problems exist, including some recognition error. In practical application, the concepts of fault prediction, fault diagnosis and condition monitoring are similar in content but have differences. Generally, they have no strict limits on their contents, and many of the methods used are the same, all require on-line cartridge data analysis, and the final goals are consistent, i.e., preventive. According to the planning of the national power grid company, the construction pace of alternating current and direct current extra-high voltage transmission projects in China is gradually accelerated. With the improvement of voltage grade and tower height and the further expansion of power grid scale, the power grid structure is more complex, and in recent years, the problems of abnormal climate environment change, frequent lightning activities and electricity prevention in China are more prominent.
The existing arrester detection equipment is unreasonable in structural design, inconvenient to maintain, poor in rain-proof effect and capable of prolonging the service life of the equipment.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the utility model is to provide an arrester running state on-line measuring device aims at solving the technical problem that current check out test set maintains inconveniently, the life-span is short.
The utility model adopts the following technical scheme:
the lightning arrester operation state online detection device comprises a detection box, wherein a door-shaped plate is fixed in the detection box, the door-shaped plate comprises two side plates and a top plate, a current acquisition plate and a main control plate are arranged in the middle of the door-shaped plate, the current acquisition plate comprises three pairs of binding posts which are symmetrically arranged at two sides and three current transformers which are arranged in the middle, the data output ends of the three current transformers are connected with the main control plate, each current transformer is connected between a pair of binding posts, the bottom ends of the side plates are outwards bent to form bending parts and are connected and sealed with the side walls of the detection box at the corresponding sides, a penetrating insulating block is arranged between the upper parts of the side plates and the side walls of the detection box at the corresponding sides, three conductive rods transversely penetrate through the insulating block, the tail ends of the conductive rods are connected with the corresponding binding posts at the corresponding sides, and notches are arranged at the positions of the side walls of the, the notch top distributes the thermovent, it has the opening to open on the roof.
Further, there is the base bottom in the detection case, there is the battery on the base, the battery with the main control board is connected, the support is installed at the detection case top, shelf location solar panel, solar panel's connecting wire penetrate to the detection case inside and with the main control board is connected.
Furthermore, there are two upper and lower mounting panels in the detection case, wherein the electric current gathers the board and fixes on last mounting panel, and the main control board is installed on mounting panel down.
Further, the detection case top is opened there is the aperture, there is waterproof stopper in the aperture, waterproof stopper is located the curb plate with correspond between the side detection case lateral wall top, wherein a curb plate upper portion outside is fixed with the fastener, lower part inboard is fixed with the fastener down, solar panel's connecting wire passes behind the waterproof stopper, the process the fastener, one of them opening be connected to behind the fastener down the main control board.
Furthermore, installation wing plates are respectively fixed on the upper part and the lower part of two sides of the detection box.
The utility model has the advantages that: the utility model provides an online detection device for the running state of a lightning arrester, wherein three current transformers are independently arranged on a current collecting plate in a detection box, other detection parts are used as main pore plates, and the current sensors are easy-to-wear parts, so that the arrangement is convenient to maintain, the collecting plate is provided with binding posts, and conducting rods are connected with the binding posts and are also convenient to connect and install; in addition, the side wall of the detection box is provided with the insulating blocks, each insulating block is provided with three conductive rods, rainwater cannot enter the detection box along the conductive rods, and the door-shaped plate structure is arranged, so that the rainwater cannot enter the detection box under the condition of ensuring ventilation and heat dissipation.
Drawings
Fig. 1 is a structural diagram of an arrester operation state online detection device provided by the embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, the online detection device for the operating state of the lightning arrester provided in this embodiment includes a detection box 1, a door-shaped plate is fixed in the detection box 1, the door-shaped plate includes two side plates 21 and a top plate 22, a current collecting plate 3 and a main control plate 4 are disposed in the middle of the door-shaped plate, the current collecting plate 3 includes three pairs of terminals 31 symmetrically disposed on two sides and a three-way current transformer 32 disposed in the middle, a data output end of the three-way current transformer 32 is connected with the main control plate 4, each current transformer is connected between a pair of terminals, a bottom end of the side plate 21 is bent outwards to form a bent portion 23 and is connected and sealed with a side wall of the detection box on a corresponding side, an insulating block 5 is disposed between an upper portion of the side plate 21 and the side wall of the detection box on the corresponding side, three conductive rods 51 are transversely disposed on the insulating block 5, a terminal 51 of each conductive rod is connected with the corresponding, the detection case lateral wall with kink parallel and level position is opened there is notch 11, notch top distribution thermovent 12, it has opening 13 to open on the roof 22. When the device is installed, an upper mounting plate and a lower mounting plate are arranged in the detection box, wherein the current collecting plate is fixed on the upper mounting plate, and the main control plate is installed on the lower mounting plate.
The three-phase lightning arrester is provided with an ABC three-phase connecting end, the three-phase connecting end is respectively communicated with the top ends of the three conducting rods on one side of the detection box, the three conducting rods on the other side of the detection box are grounded, so that a pair of conducting rods is connected between each phase of the lightning arrester and the ground, and a current transformer is connected between the pair of conducting rods through a binding post. The main control board collects three paths of current, when the lightning arrester is struck by lightning, A, B, C three phases are monitored simultaneously, the lightning current can be measured, the lightning process is tracked, the duration of the lightning strike is recorded, the leakage current of the lightning arrester is continuously monitored after the lightning strike, the collected data is stored in a memory of the main control board, the memory is a memory card, and the collected data is sent to a background through a wireless module of the main control board. The wireless module can be a WiFi module or a data network module (such as a 3G module and a 4G module), and whether the lightning arrester is broken down or destroyed completely is analyzed in real time in the background. The recorded lightning stroke occurrence time can be accurate to the unit of second, and the lightning stroke times are respectively counted by the unit of month, season and year. In addition, the wireless backhaul fails, and the line patrol personnel can download data and take back analysis by adopting wireless WIFI under the tower, so that the online detection process is very simple, the cost is low, and the detection is rapid.
In addition, because the insulating blocks are arranged, the thickness of the insulating blocks is far smaller than that of the detection box, and therefore the space above the top plate and the space outside the side plate are communicated. Have three conducting rods on the insulating block, the rainwater can not enter into the detection case along the conducting rod in, sets up door type plate structure moreover, under the circumstances of guaranteeing ventilation cooling, has guaranteed that the rainwater can not enter into in the detection case. In the figure, heat in the detection box passes through a through hole in the top plate, then passes through a position between the side plate and the side wall of the detection box, and finally overflows from the heat dissipation holes; the outside flowing air can also enter and exit the detection box; for the rainwater, if the rainwater gets into from the thermovent, still can follow the notch outflow of below at that time, can not enter into inside the detection case, this door type board can play this effect.
Further as an optimal structure, there is base 14 bottom in detection case 1, there is battery 15 on the base 14, battery 15 with main control board 4 is connected, support 16 is installed at detection case 1 top, install solar panel 17 on the support 16, solar panel 17's connecting wire penetrate to the detection case inside and with main control board 4 is connected. The specific penetration mode is as follows: open at 1 top of detection case has the aperture, there is waterproof stopper 18 in the aperture, waterproof stopper 18 is located the curb plate with correspond between the side detection case lateral wall top, wherein a curb plate upper portion outside is fixed with going up the standard grade clamp 19, the lower part inboard is fixed with down clamp 20, solar panel 17's connecting wire passes behind the waterproof stopper 18, the process go up the standard grade clamp 19, one of them opening 13 be connected to behind the down clamp 20 main control board 4. Even if trace rainwater flows down along the waterproof plug and the connecting wire, the rainwater can only drip into the space between the side plate and the side wall of the corresponding side detection box, is finally discharged from the socket and cannot enter the detection box.
In this structure, for the convenience of installation, respectively have an installation pterygoid lamina about the detection case outside, solar panel passes through the main control board and charges for the battery, and during the power supply, the battery supplies power for the control panel, accomplishes arrester on-line running state on-line measuring.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An online detection device for the running state of an arrester comprises a detection box and is characterized in that a door-shaped plate is fixed in the detection box and comprises two side plates and a top plate, a current acquisition plate and a main control plate are arranged in the middle of the door-shaped plate, the current acquisition plate comprises three pairs of binding posts which are symmetrically arranged on two sides and three current transformers arranged in the middle, the data output ends of the three current transformers are connected with the main control plate, each current transformer is connected between a pair of binding posts, the bottom ends of the side plates are outwards bent to form bending parts and are connected and sealed with the side walls of the detection box on the corresponding side, a penetrating insulating block is arranged between the upper parts of the side plates and the side walls of the detection box on the corresponding side, three conducting rods transversely penetrate through the insulating block, the tail ends of each conducting rod are connected with the corresponding binding posts on the corresponding side, and notches are arranged at the positions of the side walls of the detection box and the bending parts, the notch top distributes the thermovent, it has the opening to open on the roof.
2. The device for on-line detection of the running state of the lightning arrester according to claim 1, wherein a base is arranged at the bottom in the detection box, a battery is arranged on the base, the battery is connected with the main control panel, a bracket is arranged at the top of the detection box, a solar panel is arranged on the bracket, and a connecting wire of the solar panel penetrates into the detection box and is connected with the main control panel.
3. The on-line arrester operation state detection device as claimed in claim 2, wherein there are two upper and lower mounting plates in the detection box, wherein the current collection plate is fixed on the upper mounting plate, and the main control plate is mounted on the lower mounting plate.
4. The device for on-line detection of the operational status of the lightning arrester according to claim 3, wherein the top of the detection box is provided with a small hole, a waterproof plug is arranged in the small hole, the waterproof plug is positioned above the side plate and the side wall of the detection box corresponding to the side plate, an upper wire clamp is fixed on the outer side of the upper part of one side plate, a lower wire clamp is fixed on the inner side of the lower part of the side plate, and the connecting wire of the solar panel passes through the waterproof plug and then is connected to the main control plate through the upper wire clamp, one of the openings and the lower wire clamp.
5. An on-line arrester operation state detecting device as claimed in any one of claims 1-4, wherein mounting wing plates are fixed on both sides of the detecting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477526.7U CN210090576U (en) | 2019-04-10 | 2019-04-10 | Arrester running state on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477526.7U CN210090576U (en) | 2019-04-10 | 2019-04-10 | Arrester running state on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090576U true CN210090576U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477526.7U Expired - Fee Related CN210090576U (en) | 2019-04-10 | 2019-04-10 | Arrester running state on-line measuring device |
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| CN (1) | CN210090576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397516A (en) * | 2021-12-01 | 2022-04-26 | 国网安徽省电力有限公司马鞍山供电公司 | Transmission line arrester with on-line measuring function |
-
2019
- 2019-04-10 CN CN201920477526.7U patent/CN210090576U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397516A (en) * | 2021-12-01 | 2022-04-26 | 国网安徽省电力有限公司马鞍山供电公司 | Transmission line arrester with on-line measuring function |
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| GR01 | Patent grant | ||
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| 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: 20200218 Termination date: 20210410 |