CN217931814U - High-voltage tower ground resistance wire-dismantling-free detection terminal - Google Patents
High-voltage tower ground resistance wire-dismantling-free detection terminal Download PDFInfo
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- CN217931814U CN217931814U CN202221780765.8U CN202221780765U CN217931814U CN 217931814 U CN217931814 U CN 217931814U CN 202221780765 U CN202221780765 U CN 202221780765U CN 217931814 U CN217931814 U CN 217931814U
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- clamp body
- casing
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 46
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- 238000012360 testing method Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model relates to a high-voltage pole tower ground resistance disconnection-free detection terminal, including the detection module who is located the casing, casing one side is provided with the pincers body that is used for detecting ground resistance, the pincers body outside is provided with the sealed protection casing of pegging graft on the casing, the casing has seted up the activity chamber that supplies the activity of pincers body, be provided with the connecting rod of being connected with the pincers body in the activity chamber, the connecting rod can move about in the activity chamber, the one end swing joint that the pincers body was kept away from to the connecting rod has the press lever of elastic connection on the casing to drive the pincers body open and closed, the casing side is seted up the hole that has the guide cylinder, the press lever is sealed to peg graft in the guide cylinder; the utility model has the advantages of prolonged service life.
Description
Technical Field
The utility model belongs to a shaft tower ground resistance detects technical field, concretely relates to high-pressure shaft tower ground resistance exempts from to tear open line detection terminal.
Background
After the country proposes a mouth number for building a 'strong smart grid', the national grid gradually goes up a new step of intelligent construction, and simultaneously provides new challenges for our electric power system and electric transmission line.
The patent of Chinese utility model with the granted announcement number of CN210803587U discloses an online ground resistance on-site detection terminal, which comprises a box body, wherein a solar cell panel is arranged at the upper part of the box body and is connected with a solar storage battery, a connecting plate is arranged at the lower part of the box body, an installation groove is arranged at the bottom of the connecting plate, the installation groove is matched with a pole tower cross arm, and the pole tower cross arm is connected with the connecting plate; the box body is internally provided with a signal processing unit, the signal processing unit is connected with a signal acquisition unit, the signal acquisition unit is connected with a tower down lead, the signal processing unit is connected with an MCU, and the MCU is respectively connected with a power conversion module, a signal generation unit, a communication module, a clock module, a positioning module and a storage module; when the detection terminal is used, the input coil which is used as a frequency conversion signal by the voltage transformer is used for injecting the frequency conversion signal into the multi-down lead, so that the current and the voltage are detected, the resistance value of the ground resistance can be obtained according to the current and the voltage, and when the detection terminal is not used, the voltage transformer and the current transformer in the technical scheme are easily corroded by water vapor because of lack of a protection structure, so that the service life of the detection terminal is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art not enough and providing a high-pressure shaft tower ground resistance exempts from wire-stripping test terminal with increase of service life.
The technical scheme of the utility model as follows:
a high-voltage tower grounding resistance wire-disconnection-free detection terminal comprises a detection module positioned in a shell, wherein a clamp body used for detecting grounding resistance is arranged on one side of the shell, and a protective cover hermetically inserted on the shell is arranged on the outer side of the clamp body;
the clamp comprises a shell, a clamp body, a connecting rod, a pressing rod, a guide cylinder and a pressing rod, wherein the shell is provided with a movable cavity for the movement of the clamp body, the movable cavity is internally provided with the connecting rod connected with the clamp body, the connecting rod can move in the movable cavity, one end of the connecting rod, which is far away from the clamp body, is movably connected with the pressing rod which is elastically connected to the shell so as to drive the clamp body to open and close, the side surface of the shell is provided with a hole with the guide cylinder, and the pressing rod is hermetically inserted in the guide cylinder;
the side face of the shell is provided with an interface which is electrically connected with the detection module, and the interface is in threaded connection with a sealing cover.
Furthermore, the clamp body comprises an upper clamp and a lower clamp, the upper clamp is positioned on the shell, the lower clamp is rotatably connected to the shell, the lower clamp is connected with the connecting rod, the upper clamp and the lower clamp are provided with a voltage transformer and a current transformer, and the voltage transformer and the current transformer are connected with the detection module and the interface; the fixing of the current transformer and the voltage transformer is realized through the upper clamp and the lower clamp, the detection of the voltage and the current of the down lead is realized through the current transformer and the voltage transformer, and the detection is convenient.
Furthermore, an inserting ring with a sealing ring is arranged on the side face, facing the shell, of the protective cover, an inserting cylinder for inserting the inserting ring is arranged on the shell, and a limiting convex ring in interference fit with the sealing ring is arranged on the inner wall of the inserting cylinder; the protective cover and the shell are fixedly connected in an inserting mode through the inserting ring and the inserting cylinder, the protective cover and the shell are sealed through the limiting protrusions and the sealing rings, and the sealing effect is guaranteed.
Furthermore, the connecting rod is provided with a movable groove along the direction of the longest side of the connecting rod, and the movable groove is provided with a connecting shaft hinged with the pressing rod; the cooperation of the movable groove and the connecting shaft is adopted to realize that the pressing rod drives the connecting rod to adjust the lower clamp, so that the movable adjustment of the lower clamp is ensured.
Further, a sealing ring which is in sealing fit with the pressing rod is arranged in the guide cylinder; realize the guide cylinder through the sealing washer and press the sealed of pressure lever, guarantee sealed effect, when pressing the pressure lever activity, avoid appearing the condition that gets into steam in the casing.
Further, a rubber ring which is attached and sealed with the shell is arranged on the side face of the sealing cover; the joint sealing of the sealing cover and the shell is realized through the rubber ring, and the waterproof performance of the interface is ensured.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the protective cover which is sealed and spliced with the shell to realize the sealing protection of the clamp body, and realizes the secondary sealing through the pressing rod which is sealed and spliced with the guide cylinder, thereby avoiding the contact of water vapor and the clamp body and prolonging the service life;
2. the utility model adopts the sealing cover to realize the sealing of the interface, thereby ensuring the waterproof effect of the interface and prolonging the service life of the interface;
in a word, the utility model has the advantage of increase of service life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of a portion B of FIG. 1 according to the present invention;
fig. 4 is a schematic view of the position of the rubber ring of fig. 1 according to the present invention;
fig. 5 is a schematic block diagram of the signals of fig. 1 according to the present invention.
In the figure, the detection device comprises a shell 1, a shell 2, a movable cavity 3, a plug-in cylinder 31, a limiting convex ring 4, a protective cover 41, a sealing ring 42, a plug-in ring 5, an upper clamp 6, a lower clamp 7, a connecting rod 8, a movable groove 9, a pressing rod 10, a connector 11, a sealing cover 111, a rubber ring 12, a detection module 13, a connecting shaft 14, a guide cylinder 15, a spring 16 and a sealing ring.
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.
As shown in fig. 1-5, a disconnection-free detection terminal for ground resistance of a high-voltage tower comprises a detection module 12 located in a housing 1, one side of the shell 1 is provided with a clamp body for detecting the grounding resistance, the clamp body comprises an upper clamp 5 fixed on the shell 1 and a lower clamp 6 hinged on the shell 1, the upper clamp 5 and the lower clamp 6 are provided with a voltage transformer and a current transformer, the outer side of the clamp body is provided with a protective cover 4 which is hermetically inserted on the shell 1, the shell 1 is provided with a movable cavity 2 for the lower clamp 6 to move, a connecting rod 7 connected with the lower clamp 6 through a bolt is arranged in the movable cavity 2, the connecting rod 7 can move in the movable cavity 2, one end of the connecting rod 7 far away from the lower clamp 6 is movably connected with a pressing rod 9, the pressing rod 9 is connected with a spring 15 positioned on the shell 1 through a bolt, a hole with a guide cylinder 14 is arranged on the side surface of the shell 1, the guide cylinder 14 is glued in the hole through sealing glue, the pressing rod 9 is inserted in the guide cylinder 14 in a sealing way, the side surface of the shell 1 is fixed with an interface 10 which is electrically connected with a detection module 12 through a bolt, the interface is connected with a system power supply, the interface 10 is in threaded connection with a sealing cover 11, the detection module 12 comprises a wireless receiving circuit, a frequency discrimination circuit, a driving circuit, a time service circuit, an acquisition filter circuit, an A/D conversion circuit, an MCU and a ZigBee module, the wireless receiving circuit, the frequency discrimination circuit, the driving circuit, the time service circuit, the acquisition filter circuit, the A/D conversion circuit, the MCU, the ZigBee module, the voltage transformer, the current transformer and the interface work processes, and the research of a distributed tower ground resistance detection device based on the internet technology, published in 2018, 4 months and 1 days by specific reference to Shandong building university Hu Xianzhe for circuit connection;
when the device is used, the protective cover 4 is pulled out of the shell 1, the pressing rod 9 is pressed, the pressing rod 9 drives the lower clamp 6 to rotate through the connecting rod 7, the clamp body is opened at the moment, the clamp body is clamped on a down conductor, the interface 10 is connected with a system power supply, the voltage transformer, the current transformer and the detection module 12 detect the voltage and the current of the down conductor at the moment, the detection module transmits voltage and current data to the upper computer, the upper computer confirms the resistance value according to the voltage and the current, when the device is not used, the interface 10 cuts off the power supply, and the pressing rod 9 is pressed again, so that the clamp body is taken down from the down conductor;
when needs are deposited, the protective cover 4 is inserted on the shell 1 in a sealing mode, then the sealing cover 11 is in threaded connection with the interface 10, when water vapor occurs, the protective cover 4 is used for achieving sealing protection of the clamp body, the guide cylinder 14 is used for achieving sealing of the pressing rod 9 and the shell 1, and therefore the situation that the voltage transformer and the current transformer on the clamp body are corroded by the water vapor and the service life of the voltage transformer and the current transformer is shortened is avoided.
In this embodiment, the side surface of the protective cover 4 facing the housing 1 is integrally formed with an insertion ring 42 having a sealing ring 41, the sealing ring 41 is adhered to the insertion ring 42, the sealing ring is a rubber convex ring, the housing 1 is integrally formed with an insertion tube 3 for inserting the insertion ring 42, and the inner wall of the insertion tube 3 is integrally formed with a limiting convex ring 31 in interference fit with the sealing ring 41; when the protection cover 4 needs to be installed, the plug-in ring 42 on the protection cover 4 is plugged in the plug-in cylinder 3, and after the plug-in ring 42 is completely plugged in the plug-in cylinder 3, the sealing ring 41 is in interference fit with the limiting convex ring 31, so that the limiting of the plug-in ring 42 and the plug-in cylinder 3 is realized, and the sealing between the protection cover 4 and the shell 1 is realized through the sealing ring 41 and the limiting convex ring 31.
In this embodiment, the connecting rod 7 is provided with a movable groove 8 along the direction of the longest side thereof, and the movable groove 8 is provided with a connecting shaft 13 hinged with the pressing rod 9; when needs adjust lower pincers 6 through pressing down the depression bar 9, press down the one end that depression bar 9 moved up and drive connecting rod 7 and shift up for connecting rod 7 drives lower pincers 6 rotatory, thereby makes the pincers body open, and when pressing down depression bar 9 and drive connecting rod 7 rotatory, connecting axle 13 moves left along activity groove 8, avoids pressing down the condition that can't drive adjusting connecting rod 7 to appear in depression bar 9.
In this embodiment, a sealing ring 16 hermetically attached to the pressing rod 9 is disposed in the guide cylinder 14, and a groove for placing the sealing ring 16 is formed in the guide cylinder 14; when in use, the guide cylinder 14 is sealed with the pressing rod 9 through the sealing ring 16, and the sealing between the guide cylinder 14 and the pressing rod 9 is ensured.
In this embodiment, a rubber ring 111 for bonding and sealing with the housing 1 is adhered to the side surface of the sealing cover 11; when the sealing device is used, the sealing cover 11 is attached to the shell 1 through the rubber ring 111 for sealing, water is prevented from entering the interface 10, and the waterproof performance is guaranteed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a high-voltage tower ground resistance exempts from to tear open line testing terminal which characterized in that: the grounding resistor detection device comprises a detection module positioned in a shell, wherein a clamp body used for detecting grounding resistance is arranged on one side of the shell, and a protective cover hermetically inserted on the shell is arranged on the outer side of the clamp body;
the clamp comprises a shell, a clamp body, a connecting rod, a pressing rod, a guide cylinder and a pressing rod, wherein the shell is provided with a movable cavity for the movement of the clamp body, the movable cavity is internally provided with the connecting rod connected with the clamp body, the connecting rod can move in the movable cavity, one end of the connecting rod, which is far away from the clamp body, is movably connected with the pressing rod which is elastically connected to the shell so as to drive the clamp body to open and close, the side surface of the shell is provided with a hole with the guide cylinder, and the pressing rod is hermetically inserted in the guide cylinder;
the side face of the shell is provided with an interface which is electrically connected with the detection module, and the interface is in threaded connection with a sealing cover.
2. The high-voltage tower ground resistance disconnection-free detection terminal according to claim 1, characterized in that: the clamp body comprises an upper clamp and a lower clamp, the upper clamp is located on the shell, the lower clamp is rotatably connected to the shell, the lower clamp is connected with the connecting rod, the upper clamp and the lower clamp are provided with a voltage transformer and a current transformer, and the voltage transformer and the current transformer are connected with the detection module and the interface.
3. The high-voltage tower ground resistance disconnection-free detection terminal according to claim 1, characterized in that: the protection casing sets up the grafting ring that has the sealing ring towards the side of casing, the casing is provided with the grafting section of thick bamboo that supplies the grafting ring to peg graft, a grafting section of thick bamboo inner wall is provided with the spacing bulge loop with sealing ring interference fit.
4. The high-voltage tower grounding resistance disconnection-free detection terminal according to claim 1, characterized in that: the connecting rod has been seted up movable groove along the direction on its longest limit, movable groove is provided with and presses the articulated connecting axle of depression bar.
5. The high-voltage tower grounding resistance disconnection-free detection terminal according to claim 4, wherein: and a sealing ring which is sealed and attached to the pressing rod is arranged in the guide cylinder.
6. The high-voltage tower ground resistance disconnection-free detection terminal according to claim 1, characterized in that: and a rubber ring which is attached and sealed with the shell is arranged on the side surface of the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221780765.8U CN217931814U (en) | 2022-07-07 | 2022-07-07 | High-voltage tower ground resistance wire-dismantling-free detection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221780765.8U CN217931814U (en) | 2022-07-07 | 2022-07-07 | High-voltage tower ground resistance wire-dismantling-free detection terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217931814U true CN217931814U (en) | 2022-11-29 |
Family
ID=84189463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221780765.8U Expired - Fee Related CN217931814U (en) | 2022-07-07 | 2022-07-07 | High-voltage tower ground resistance wire-dismantling-free detection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217931814U (en) |
-
2022
- 2022-07-07 CN CN202221780765.8U patent/CN217931814U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20221129 |