CN213091788U - Distribution network fault positioning device - Google Patents
Distribution network fault positioning device Download PDFInfo
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- CN213091788U CN213091788U CN202021990685.6U CN202021990685U CN213091788U CN 213091788 U CN213091788 U CN 213091788U CN 202021990685 U CN202021990685 U CN 202021990685U CN 213091788 U CN213091788 U CN 213091788U
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Abstract
The utility model discloses a distribution network fault positioning device, have intellectual detection system, it is portable and effectual with the heat dissipation, it includes the casing, the upper portion of casing is provided with the link that is used for the articulate in the wire, the current detection circuit has been arranged in the link, the installation cavity has in the casing, be provided with current detector in the installation cavity, both ends electric connection to current detector of current detection circuit still is provided with the mounting panel in the installation cavity, signal amplifier, fault location module, data processor and the data storage module that communicate in proper order to connect are provided with on the mounting panel, the surface of casing still is provided with the treater connection port that is used for being connected with the distribution network, treater connection port communication is connected to data processor; the air inlet net mouth that communicates with the installation cavity is seted up to one side of casing, and the opposite side of casing is provided with the heat dissipation fan, and the mounting panel is provided with a plurality of heat conduction strips with the opposite side of heat dissipation fan, and the centre of a plurality of heat conduction strips is equipped with the heating panel.
Description
Technical Field
The utility model relates to a power grid fault location technical field, concretely relates to distribution network fault location device.
Background
The power distribution network is a power network which receives electric energy from a power transmission network or a regional power plant, distributes the electric energy to various users on site through power distribution facilities or distributes the electric energy to various users step by step according to voltage, and consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, auxiliary facilities and the like.
When current distribution system breaks down, generally arrange the investigation through maintainer pole or overhead line iron tower one by one along fault point current direction, until finding the fault point, nevertheless comparatively waste time and energy like this, even if there is some devices to connect the distribution network and detect, nevertheless this type of device is bulky, the takeover of being not convenient for uses, positioner can produce a large amount of heats in long-time use in addition, influence the normal operating of device, can cause the damage to the inside components and parts of device during serious, the security is relatively poor, be not convenient for use widely.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the prior art, the utility model provides a distribution network fault locating device has intellectual detection system, portable and the good characteristics of radiating effect.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts does: the intelligent power distribution network protection device comprises a shell, wherein a hanging ring used for being hung on a wire is arranged on the upper portion of the shell, a current detection circuit is arranged in the hanging ring, an installation cavity is formed in the shell, a current detector is arranged in the installation cavity, two ends of the current detection circuit are electrically connected to the current detector, an installation plate is further arranged in the installation cavity, a signal amplifier, a fault positioning module, a data processor and a data storage module which are sequentially connected in a communication mode are arranged on the installation plate, a processor connection port used for being connected with a power distribution network is further arranged on the surface of the shell, and the processor connection port is connected to the data processor in a communication mode; the utility model discloses a heat dissipation fan, including casing, installation cavity, installation panel, heat dissipation fan, air inlet net mouth, the opposite side of casing seted up with the installation cavity intercommunication, the opposite side of casing is provided with the heat dissipation fan, the installation panel with one side that the heat dissipation fan is relative is provided with a plurality of heat conduction strips, and is a plurality of the centre of heat conduction strip is equipped with the heating panel.
Further, the suspension loop comprises a first section and a second section which are sequentially arranged, the first section is fixedly connected with the shell, the second section is rotatably connected with the shell through a rotating shaft, the second section is provided with a matching position contacted with the first section and a separating position separated from the first section, correspondingly, the current detection circuit comprises a first circuit and a second circuit, the first circuit is arranged at the first section, the second circuit is arranged at the second section, the matching positions of the first section and the second section are respectively provided with a contact, the first circuit and the second circuit are respectively connected with the corresponding contacts, when the second section is positioned at the matching position, the two contacts are contacted, and the first circuit and the second circuit are conducted; when the second section is located at the separation position, the two contacts are separated, and a movable opening for a lead to pass through is formed between the first section and the second section.
Further, a clamping block is arranged at the matching position of one of the first section and the second section, a clamping groove is arranged at the matching position of the other of the first section and the second section, and when the second section is located at the matching position, the clamping block is in clamping fit with the clamping groove.
Further, the rotating shaft is connected with an elastic piece, and the elastic piece is configured to enable the rotating shaft to always have a tendency of driving the second section to move to a matching position.
Further, one of the two contacts comprises an arc-shaped salient point, the other of the two contacts comprises a concave convex block, the arc-shaped salient point is matched with the shape of the concave convex block, and when the second section is located at the matching position, the arc-shaped salient point is in contact with the concave convex block.
Furthermore, a plurality of heat conducting strips are arranged at one ends, close to the heat dissipation fans, of the heat dissipation screen plates, and the heat dissipation screen plates are attached to the heat dissipation fans.
Furthermore, a protective cotton net covers the air inlet net opening.
Furthermore, the outer side of the protective cotton net is covered with a fixed net plate, and the fixed net plate is fixedly connected with the shell through a screw.
Further, a control panel is arranged on the outer surface of the shell, and the control panel is electrically connected with the current detector, the signal amplifier, the fault positioning module, the data processor, the data storage module and the heat dissipation fan.
Further, still be provided with the battery in the casing, the battery with current detector, signal amplifier, fault location module, data processor, data storage module with heat dissipation fan electric connection, just the surface of casing still is provided with the mouth that charges, charge the mouth with battery electric connection.
Compared with the prior art, the utility model has the advantages that the upper part of the shell is provided with the hanging ring which is used for being hung on the wire, the current detection circuit is arranged in the hanging ring, when the hanging ring is hung on the wire, the current detector can detect the current flowing in the wire through the closed current detection circuit, the detection data is transmitted to the fault location module and the data processor through the signal amplifier, the system analysis is carried out, the fault point is checked, in addition, the connection port of the processor can be connected on the adjacent distribution network to carry out the integral distribution network detection and search the fault point, the utility model can carry out the point-by-point detection and the integral detection, the whole device is portable, the detection is more convenient and intelligent, each component is arranged in an integrated way, the miniaturization of the whole device is facilitated, an air inlet net port is arranged on one side of the shell, a heat radiation fan is arranged on the other side, utilize heat conduction strip and heating panel can be better with near the heat dissipation fan that dispels the heat of each part that generates heat, improved heat dispersion, the radiating effect is good, has improved the utility model discloses a reliable stability.
Furthermore, the link adopts two segmentation settings, when needs articulate the wire, makes second section and first section separation form the activity opening, and the wire of being convenient for passes to make the link articulate in the wire, the second section contacts with first section, makes the current detection circuit switch on, and then responds to the electric current in the wire, and convenience simple to use has improved the feasibility of device. In addition, the first section and the second section adopt the clamping fit form of the clamping block and the clamping groove, so that the position stability of the first section and the second section during the matching is ensured, the accidental separation of the first section and the second section is avoided, and the reliability of the device is ensured. The pivot passes through the elastic component effect, can drive second section automatic re-setting and first section cooperation, has guaranteed the cooperation reliability between first section and the second section more. And two contacts on the first section and the second section utilize the form of arc-shaped salient points and concave convex blocks, so that the two contacts can be reliably contacted and matched, and when the second section moves to a separation position, the two contacts can be separated conveniently by utilizing the matched arc-shaped salient points, so that the large blocking friction can not be generated in the separation process, the movement is smooth, and the breaking effect is better.
Further, utilize heat dissipation otter board and heat dissipation fan to laminate mutually, make the heat can be better the outdiffusion through the heat dissipation otter board, increase heat exhaust efficiency, including the radiating effect of heat conduction of heating panel and heat conduction strip for thermal scattering and disappearing, thereby improved the reliable stability and the rationality of device.
Further, the gauze mask of admitting air mouth department is equipped with the protection cotton net, utilizes the protection cotton net can filter external moisture and dust etc. improves the barrier propterty of device, in addition, through fixed otter board installation protection cotton net, fixed otter board passes through screw and casing fixed connection, when needs are changed protection cotton net or fixed otter board, directly will fix the otter board dismantle take off can, comparatively convenient.
Further, the surface of casing is provided with control panel, utilizes control panel to improve human-computer interaction's convenience, and the personnel of being convenient for control operating means to and obtain relevant information directly perceivedly from control panel, improved and controlled the convenience. In addition, the storage battery is used for supplying power, so that the device is not limited by a complex detection environment, and the application range of the device is widened.
Drawings
Fig. 1 is a first schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of the embodiment of the present invention;
fig. 3 is a third schematic structural diagram of the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 1;
wherein, 1, a shell; 101. a control panel; 102. an air inlet net port; 2. a current detector; 3. hanging a ring; 4. a current detection circuit; 5. a rotating shaft; 6. a contact; 61. a clamping block; 7. mounting a plate; 8. a signal amplifier; 9. a fault location module; 10. a data processor; 11. a data storage module; 12. a heat conducting strip; 13. a heat dissipation plate; 14. a heat dissipation fan; 141. a heat dissipation screen plate; 15. a protective cotton web; 151. fixing the screen plate; 152. a screw; 16. a processor connection port; 161. a storage battery; 162. a charging port.
Detailed Description
The present invention will be further explained with reference to the drawings and specific examples, which are illustrated in the attached drawings, and it is to be understood that the described examples are only a part of the present application and not all of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the utility model provides a distribution network fault location device, be applicable to carrying out fault detection to the distribution network, refer to fig. 1 to 3, it includes casing 1, the upper portion of casing 1 is provided with the link 3 that is used for the articulate in the wire, set up current detection circuit 4 in the link 3, the installation cavity has in casing 1, be provided with current detector 2 in the installation cavity, current detection circuit 4's both ends electric connection is to current detector 2, still be provided with mounting panel 7 in the installation cavity, be provided with signal amplifier 8, fault location module 9, data processor 10 and data storage module 11 that communicate in proper order on the mounting panel 7, the surface of casing 1 still is provided with the treater connection port 16 that is used for being connected with the distribution network, treater connection port 16 communication connection is to data processor 10; an air inlet net port 102 communicated with the mounting cavity is formed in one side of the shell 1, a heat dissipation fan 14 is arranged on the other side of the shell 1, a plurality of heat conduction strips 12 are arranged on one side, opposite to the heat dissipation fan 14, of the mounting plate 7, and a heat dissipation plate 13 is arranged in the middle of the heat conduction strips 12.
It can be understood that, the upper portion of the shell 1 is provided with a hanging ring 3, the hanging ring 3 is used for hanging and connecting with a wire, a current detection circuit 4 is arranged in the hanging ring 3, when the hanging ring 3 is hung and connected with the wire, the current detector 2 can detect the current flowing in the wire through the closed current detection circuit 4, the detected data is transmitted to a fault location module 9 and a data processor 10 through a signal amplifier 8 for system analysis and fault point detection, in addition, a processor connection port 16 can be connected to a nearby power distribution network for integral power distribution network detection and fault point search, the embodiment can detect point by point and also can detect integrally, the whole device is portable and convenient and intelligent to detect, each component is integrated and is beneficial to miniaturization of the whole device, an air inlet network port 102 is arranged on one side of the shell 1, a heat radiation fan 14 is arranged on the other side, and the hot air in the installation cavity is discharged to the outside by the heat radiation fan 14, an air circulation channel is formed, and the heat of each heating component can be better dissipated to the vicinity of the heat dissipation fan 14 by utilizing the heat conduction strips 12 and the heat dissipation plate 13, so that the heat dissipation performance is improved, the heat dissipation effect is good, and the reliability and the stability of the embodiment are improved.
In this embodiment, the current detector 2 is disposed near the upper portion of the installation cavity, the installation plate 7 is disposed below the current detector 2, the signal amplifier 8, the fault location module 9, the data processor 10 and the data storage module 11 are sequentially disposed on the installation plate 7 along the up-down direction, the plurality of heat conduction strips 12 are disposed on one side of the installation plate 7 opposite to the heat dissipation fan 14 along the up-down direction at intervals, the heat dissipation fan 14 and the air inlet grid port 102 are respectively disposed on two opposite sides of the housing 1, the heat dissipation fan 14 is used to drive air to flow, a heat dissipation channel is formed, and ventilation and heat dissipation performance is improved.
Specifically, referring to fig. 4, the suspension loop 3 includes a first section and a second section which are sequentially arranged, the first section is fixedly connected with the housing 1, the second section is rotatably connected with the housing 1 through a rotating shaft 5, the second section has a matching position contacting with the first section and a separation position separated from the first section, correspondingly, the current detection circuit 4 includes a first circuit and a second circuit, the first circuit is arranged at the first section, the second circuit is arranged at the second section, the matching positions of the first section and the second section are respectively provided with a contact 6, the first circuit and the second circuit are respectively connected with the corresponding contacts 6, that is, one ends of the first circuit and the second circuit are respectively connected to the current detector 2, the other ends of the first circuit and the second circuit are respectively connected to the corresponding contacts 6, when the second section is located at the matching position, the two contacts 6 are contacted, and the first circuit and the second circuit are conducted; when the second section is in the separated position, the two contacts 6 are separated, the first line and the second line are not conducted, and a movable opening for the lead to pass through is formed between the first section and the second section. In this embodiment, link 3 roughly is the annular, and link 3 adopts two segmentation settings, when needs articulate the wire, makes second section and first section separation form movable opening, and the wire of being convenient for passes to make link 3 articulate in the wire, second section and first section contact make current detection circuit 4 switch on, and then respond to the electric current in the wire, and convenience simple to use has improved the feasibility of device.
Preferably, the fitting position of one of the first section and the second section is provided with a clamping block 61, the fitting position of the other of the first section and the second section is provided with a clamping groove, and when the second section is located at the fitting position, the clamping block 61 is in clamping fit with the clamping groove. Further preferably, the latch 61 is substantially triangular, and the latch groove is adapted to the shape of the latch 61. First section and second section adopt the joint cooperation form of fixture block 61 and draw-in groove, have guaranteed the position steadiness when both cooperate, avoid both because unexpected separation, have guaranteed the reliability of device.
Preferably, the shaft 5 is connected with an elastic member configured to make the shaft 5 always have a tendency to bring the second section towards the mating position. Further preferably, the elastic member is a torsion spring, the torsion spring is sleeved on the rotating shaft 5, one of the torsion arms abuts against the housing 1, and the other torsion arm abuts against the second section, of course, the elastic member may also be a tension spring, a compression spring, an elastic sheet or the like, and may also be directly connected with the second section, as long as the automatic resetting of the second section can be realized. This embodiment passes through the elastic component effect, can drive second section automatic re-setting and first section cooperation, has guaranteed the cooperation reliability between first section and the second section more.
Preferably, one of the two contacts 6 comprises an arc-shaped convex point, and the other of the two contacts 6 comprises a concave convex point, the arc-shaped convex point is matched with the shape of the concave convex point, and when the second section is located at the matching position, the arc-shaped convex point is contacted with the concave convex point. In this embodiment, two contacts 6 utilize the form of arc bump and concave lug, are convenient for contact the cooperation reliably between two contacts 6, and when the second section moved to the isolated position, utilize the arc that agrees with mutually, are convenient for two contacts 6 to separate, can not produce great hindrance friction in the separation process, and the motion is smooth and easy, and the effect of breaking is better.
Preferably, a heat dissipation screen 141 is disposed at one end of the plurality of heat conduction strips 12 close to the heat dissipation fan 14, and the heat dissipation screen 141 is attached to the heat dissipation fan 14. By utilizing the attachment of the heat dissipation screen plate 141 and the heat dissipation fan 14, the heat can be better diffused outwards through the heat dissipation screen plate 141, the heat discharge efficiency is increased, and the heat dissipation effect of the heat dissipation plate 13 and the heat conduction strip 12 accelerates the heat dissipation, thereby improving the reliability, stability and rationality of the device. Further preferably, the heat conducting bars 12, the heat dissipation plate 13, the heat dissipation mesh plate 141 and the mounting plate 7 may be made of metal for facilitating heat conduction, such as: copper, aluminum, steel, etc.
Preferably, the protective cotton net 15 is covered at the air inlet net port 102, and further preferably, the outer side of the protective cotton net 15 is covered with a fixed net plate 151, and the fixed net plate 151 is fixedly connected with the housing 1 through a screw 152. Utilize protection cotton net 15 can filter external moisture and dust etc. improve the barrier propterty of device, in addition, through fixed otter board 151 installation protection cotton net 15, fixed otter board 151 passes through screw 152 and casing 1 fixed connection, when needs are changed protection cotton net 15 or fixed otter board 151, directly will fix otter board 151 dismantlement take off can, it is comparatively convenient.
Preferably, the outer surface of the housing 1 is provided with a control panel 101, the control panel 101 is electrically connected to the current detector 2, the signal amplifier 8, the fault location module 9, the data processor 10, the data storage module 11 and the heat dissipation fan 14, and the control panel 101 may include a touch screen and a plurality of buttons, etc. Preferably, a storage battery 161 is further disposed in the housing 1, the storage battery 161 is electrically connected to the current detector 2, the signal amplifier 8, the fault location module 9, the data processor 10, the data storage module 11 and the heat dissipation fan 14, a charging port 162 is further disposed on an outer surface of the housing 1, the charging port 162 is electrically connected to the storage battery 161, the storage battery 161 is mounted below the mounting cavity, and the charging port 162 is disposed near a bottom of the housing 1. The embodiment utilizes the control panel 101 to improve the convenience of man-machine interaction, is convenient for personnel to control the operating device, and intuitively acquires relevant information from the control panel 101, thereby improving the control convenience. In addition, the battery 161 is used for supplying power, so that the device is not limited to a complicated detection environment, and the application range of the device is improved.
The working principle and the using flow of the embodiment are as follows: firstly, the hanging ring 3 is supported on a lead of a power grid to be detected by a handheld device, a second section of the hanging ring 3 is moved to a separation position, the lead passes through a movable opening between the first section and the second section, then the second section is reset under the action of an elastic piece, two contacts 6 are contacted to realize the conduction of a current detection circuit 4, a detection starting button is opened, the current detection circuit 4 detects the lead, a current detector 2 can detect the magnitude of current flowing in the lead through the closed current detection circuit 4, the current is amplified by a signal amplifier 8 and then transmitted to a fault positioning module 9 and a data processor 10, the current is stored through a data storage module 11, and then the current is displayed through a control panel 101 for judgment and point-by-point fault detection and analysis; in addition, a lead of a processor connecting port 16 can be connected to a control end of the power distribution network, the processor connecting port 16 is used for receiving power grid information, the detection is carried out through a signal amplifier 8, a fault positioning module 9 and a data processor 10, the storage of a data storage module 11 is carried out, the judgment is carried out through the display of a control panel 101, and the overall fault detection is carried out; meanwhile, in the detection process, the heat dissipation fan 14 is driven to dissipate heat inside the housing 1.
The embodiment of the utility model provides a solve current device and had the unsatisfactory problem of portable and radiating effect not convenient to carry, can compatible pointwise detect and wholly detect, whole device is portable, detects comparatively convenient intelligence, and each part integrates the setting, is favorable to the miniaturization of whole device, and heat dispersion is good, and protection level is high, and structural design is novel reasonable, convenient to popularize and use.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. A power distribution network fault positioning device is characterized by comprising a shell (1), wherein a hanging ring (3) for hanging a lead is arranged at the upper part of the shell (1), a current detection circuit (4) is arranged in the hanging ring (3), an installation cavity is arranged in the shell (1), a current detector (2) is arranged in the mounting cavity, two ends of the current detection circuit (4) are electrically connected to the current detector (2), the mounting cavity is also internally provided with a mounting plate (7), the mounting plate (7) is provided with a signal amplifier (8), a fault positioning module (9), a data processor (10) and a data storage module (11) which are sequentially in communication connection, the surface of the shell (1) is also provided with a processor connecting port (16) for connecting with a power distribution network, the processor connection port (16) is communicatively connected to the data processor (10); the utility model discloses a heat dissipation fan, including casing (1), installation cavity, mounting panel (7), one side of casing (1) seted up with air inlet net mouth (102) of installation cavity intercommunication, the opposite side of casing (1) is provided with heat dissipation fan (14), mounting panel (7) with one side that heat dissipation fan (14) is relative is provided with a plurality of heat conduction strip (12), and is a plurality of the centre of heat conduction strip (12) is equipped with heating panel (13).
2. The distribution network fault location device according to claim 1, wherein the suspension loop (3) comprises a first section and a second section which are sequentially arranged, the first section is fixedly connected with the housing (1), the second section is rotatably connected with the housing (1) through a rotating shaft (5), the second section has a matching position contacting with the first section and a separating position separating from the first section, correspondingly, the current detection circuit (4) comprises a first circuit and a second circuit, the first circuit is arranged at the first section, the second circuit is arranged at the second section, the matching positions of the first section and the second section are respectively provided with a contact (6), the first circuit and the second circuit are respectively connected with the corresponding contacts (6), when the second section is located at the matching position, the two contacts (6) are contacted, the first line and the second line are conducted; when the second section is in the separated position, the two contacts (6) are separated, and a movable opening for the lead to pass through is formed between the first section and the second section.
3. The distribution network fault locating device according to claim 2, characterized in that a clamping block (61) is arranged at the matching position of one of the first section and the second section, a clamping groove is arranged at the matching position of the other one of the first section and the second section, and when the second section is located at the matching position, the clamping block (61) is in clamping fit with the clamping groove.
4. A distribution network fault location device according to claim 2, characterized in that the shaft (5) is connected with a resilient member, which is configured to always give the shaft (5) a tendency to move the second section towards the engaged position.
5. A power distribution network fault location device according to claim 2, characterized in that one of the two contacts (6) comprises an arc-shaped convex point, and the other of the two contacts (6) comprises a concave convex point, the arc-shaped convex point is matched with the shape of the concave convex point, and when the second section is located at the matching position, the arc-shaped convex point is contacted with the concave convex point.
6. The distribution network fault locating device according to any one of claims 1 to 5, wherein a heat dissipation screen (141) is arranged at one end of the plurality of heat conducting strips (12) close to the heat dissipation fan (14), and the heat dissipation screen (141) is attached to the heat dissipation fan (14).
7. The distribution network fault location device of any one of claims 1-5, characterized in that the inlet net opening (102) is covered with a protective cotton net (15).
8. The distribution network fault location device of claim 7, wherein the outer side of the protective cotton net (15) is covered with a fixed net plate (151), and the fixed net plate (151) is fixedly connected with the shell (1) through a screw (152).
9. The distribution network fault locating device according to any one of claims 1 to 5, characterized in that a control panel (101) is arranged on the outer surface of the housing (1), and the control panel (101) is electrically connected with the current detector (2), the signal amplifier (8), the fault locating module (9), the data processor (10), the data storage module (11) and the heat dissipation fan (14).
10. The distribution network fault locating device according to any one of claims 1 to 5, characterized in that a storage battery (161) is further disposed in the housing (1), the storage battery (161) is electrically connected to the current detector (2), the signal amplifier (8), the fault locating module (9), the data processor (10), the data storage module (11) and the heat dissipation fan (14), and a charging port (162) is further disposed on an outer surface of the housing (1), and the charging port (162) is electrically connected to the storage battery (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021990685.6U CN213091788U (en) | 2020-09-11 | 2020-09-11 | Distribution network fault positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021990685.6U CN213091788U (en) | 2020-09-11 | 2020-09-11 | Distribution network fault positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213091788U true CN213091788U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021990685.6U Expired - Fee Related CN213091788U (en) | 2020-09-11 | 2020-09-11 | Distribution network fault positioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213091788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114428201A (en) * | 2022-02-14 | 2022-05-03 | 国网山东省电力公司宁津县供电公司 | Line fault positioning equipment |
-
2020
- 2020-09-11 CN CN202021990685.6U patent/CN213091788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114428201A (en) * | 2022-02-14 | 2022-05-03 | 国网山东省电力公司宁津县供电公司 | Line fault positioning equipment |
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Granted publication date: 20210430 Termination date: 20210911 |