CN214473694U - Breakdown indicator for line insulation device - Google Patents
Breakdown indicator for line insulation device Download PDFInfo
- Publication number
- CN214473694U CN214473694U CN202021927407.6U CN202021927407U CN214473694U CN 214473694 U CN214473694 U CN 214473694U CN 202021927407 U CN202021927407 U CN 202021927407U CN 214473694 U CN214473694 U CN 214473694U
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- shell
- indicator
- processor
- ammeter
- clamp
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Abstract
A breakdown indicator for a circuit insulation device comprises a clamp-on ammeter, wherein the lower part of the clamp-on ammeter is connected with a shell, the clamp-on ammeter comprises a movable caliper and a fixed caliper, the lower part of the movable caliper is provided with a connecting plate, the connecting plate is provided with an opening, the movable caliper is rotatably connected to the shell through a pin shaft penetrating through the opening, and a reset device is connected between the movable caliper and the shell; and the movable calipers are connected with a locking device which can automatically close the movable calipers. The utility model discloses can report to the police when sensing the heavy current, go to look over before instructing the staff.
Description
Technical Field
The utility model belongs to electric leakage indication field especially relates to a circuit insulation device punctures indicator.
Background
The fault indicator originates from the germany in the eighties of the twentieth century, and aims to indicate the way of short-circuit current flowing through a power line and help people to find out a fault point. China has started to introduce and learn the development technology of foreign short-circuit indicators from the nineties. In the twentieth century, people began to pay attention to the problem of signal remote transmission of short-circuit indicators. Today, with the rapid development of chip manufacturing processes and communication technologies, fully digital fault indicators have emerged.
The fault indicator is an intelligent device which is arranged on a power line and is used for detecting and indicating short circuit and single-phase earth fault on line. The method can be applied to power equipment such as ring main units, switching stations, switch cabinets of power distribution rooms and the like of overhead lines and cable lines. After the line breaks down, the line patrol personnel can rapidly determine the fault section and find out the fault point by means of the alarm display of the indicator. The fault indicator with communication can realize the remote transmission of fault signals, and a fault automatic positioning system is formed by combining the communication terminal equipment and the monitoring background, so that the fault section can be quickly and accurately positioned.
The working technical principle of the fault indicator is as follows: 1. the grounding detection principle is as follows: sampling the first half wave of the capacitance current at the grounding moment and the first half wave of the voltage at the grounding moment, comparing the phases of the first half wave and the first half wave, and judging that the line is grounded if the capacitance current at the grounding moment is suddenly changed and is larger than a certain value and is in the same phase with the first half wave of the voltage at the grounding moment and the voltage of the lead to the ground is reduced, otherwise, judging that the line is not grounded; 2. the short circuit detection principle is based on the short circuit phenomenon, and takes the positive sudden change of current and the power failure of protection action at the short circuit moment as the action basis.
SUMMERY OF THE UTILITY MODEL
The utility model provides a line insulation device punctures indicator to solve the problem that prior art exists.
The utility model adopts the following technical scheme:
a breakdown indicator for a circuit insulation device comprises a clamp-on ammeter, wherein the lower part of the clamp-on ammeter is connected with a shell, the clamp-on ammeter comprises a movable caliper and a fixed caliper, the lower part of the movable caliper is provided with a connecting plate, the connecting plate is provided with an opening, the movable caliper is rotatably connected to the shell through a pin shaft penetrating through the opening, and a reset device is connected between the movable caliper and the shell;
and the movable calipers are connected with a locking device which can automatically close the movable calipers.
A locking plate is arranged at the side part of the movable caliper of the pincer-shaped ammeter, and a locking hole is formed in the locking plate;
the locking device comprises a pressing plate, the lower part of the pressing plate is connected with a first connecting rod, the first connecting rod penetrates through a limiting plate arranged on the shell and then is rotatably connected with a second connecting rod through a rotating shaft, and a spring is arranged between the pressing plate and the limiting plate;
the end part of the second connecting rod is provided with a clamping jaw, a convex block is arranged on the clamping jaw, and the convex block can slide in a sliding groove arranged on the shell.
The shell is internally provided with a control circuit, the control circuit comprises a processor, the processor is connected with a coil, the processor is further connected with an alarm module, and the alarm module is installed outside the shell.
The alarm module comprises an LED lamp and/or a loudspeaker.
Still be connected with the intelligence lock on the treater, the intelligence lock is installed in the casing lower part, and the top of indicator can overlap in the intelligence lock.
The processor is also connected with a communication module.
The processor is also connected with a positioning module.
The utility model has the advantages that:
the utility model discloses can make the activity calliper be in the open mode when not using, it can be closed to push down the clamp plate when needing to be closed, and is easy to assemble and use.
Drawings
Fig. 1 is a schematic view of a clip-on ammeter of the present invention.
Fig. 2 is a schematic side view of the movable caliper of the present invention.
Fig. 3 is a schematic view of the whole external portion of the clip-on ammeter of the present invention.
Fig. 4 is a schematic view of a locking device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model provides a circuit insulation device punctures indicator, this puncture indicator include pincerlike ampere meter 100, pincerlike ampere meter 100 sub-unit connection casing 130, pincerlike ampere meter 100 is including activity calliper 110 and fixed calliper 120, and fixed calliper 120 is fixed at the inside motionless of casing 130, activity calliper 110 lower part has connecting plate 111, has the trompil on connecting plate 111, and activity calliper 110 rotates through the round pin axle 112 that passes the trompil and connects on shell 130, just be connected with resetting means between activity calliper 110 and the casing 130. The reset device is a tension spring or a torsion spring, one end of the tension spring or the torsion spring is connected inside the shell, and the other end of the tension spring or the torsion spring is connected to the movable caliper.
Further, the movable caliper 110 is connected with a locking device 200 for automatically closing the movable caliper 110, in a non-operating state, the locking device 200 can make the movable caliper 110 in an open state, when the locking device 200 touches the supporting cast steel of the insulator, the reset device can make the movable caliper close, so that the warning device is firmly installed on the cast steel supporting rod of the insulator, and when the warning device needs to be removed, the movable caliper 110 can be opened manually to be in the open state again.
In some embodiments, the locking device 200 may also adopt other existing structures capable of achieving automatic opening and closing.
As an embodiment, as shown in the figure, a locking plate 113 is disposed on a side portion of the connecting plate 111 of the movable caliper 110 of the clamp-on ammeter 100, and the locking plate 113 has a locking hole 114.
The locking device 200 comprises a pressing plate 201, a first connecting rod 202 is connected to the lower portion of the pressing plate 201, the first connecting rod 202 penetrates through a limiting plate 204 installed on the shell 130 and then is rotatably connected with a second connecting rod 206 through a rotating shaft 205, a spring 203 is installed between the pressing plate 201 and the limiting plate 204, a clamping jaw 207 is arranged at the end portion of the second connecting rod 206, the clamping jaw 207 and the second connecting rod 206 form a certain angle, a protruding block 208 is arranged on the clamping jaw 207, the protruding block 208 can slide in a sliding groove 209 installed on the shell 130, the sliding groove 209 can be a hollowed sliding groove or a non-hollowed sliding groove arranged on a plate, and the plate is fixed inside the shell.
When the movable caliper 110 is in an open state, the puncture indicator is moved to a position to be placed, after the pressure plate 201 of the locking device 200 contacts cast steel, the pressure plate 201 of the locking device 200 is pressed downwards, the pressure rod 201 compresses the pressure spring 203, so that the first connecting rod 202 moves downwards, at this time, the first connecting rod 202 drives the second connecting rod 206 connected with the first connecting rod 202 through the rotating shaft 205 to move, the lug 208 on the second connecting rod 206 moves upwards along the sliding groove 209, so that the claw 207 is separated from the locking hole on the locking plate 113, and at this time, under the action of the resetting device, the movable caliper 110 is closed and clamped on the cast steel supporting rod of the insulator.
When the movable caliper 110 needs to be opened to take off the whole device, the movable caliper 110 can be manually opened, meanwhile, the pressing plate 201 is pressed to enable the clamping claws 207 to be clamped into the locking holes 114 of the locking plate 113, the movable caliper 110 is clamped, and the movable caliper 110 is in an opened state.
Further, a control circuit is disposed inside the housing 130, the control circuit includes a processor, the processor is connected to the clamp ammeter, the clamp ammeter obtains current data and outputs the current data as the prior art, generally, the prior clamp ammeters include a coil and a current-voltage conversion circuit connected to the coil, the current-voltage conversion circuit is connected to a correction circuit, the correction circuit is connected to an analog information conversion circuit, and the analog information conversion current can be directly connected to the processor to convert magnetic flux induced by the coil into current and send the current to the processor.
An alarm module 330 is also connected to the processor, said alarm module 330 being mounted outside the housing 130.
Further, the processor is further connected with an intelligent lock 310, the intelligent lock 310 is installed at the lower portion of the housing 130, the top end of the indicator 320 can be sleeved in the intelligent lock 310, and after the intelligent lock 310 receives a signal sent by the processor, the intelligent lock 310 can be opened, so that the indicator 320 falls. The intelligent lock 310 is an existing intelligent lock, such as a lock used on a shared bicycle, and if the shared bicycle intelligent lock 310 is used, manual participation is required when the lock is closed. The indicator 320 is an existing indicator, for example, an indicator having a warning color plate, and a maintenance worker can determine a fault location by observing the indicator having the warning color plate in the daytime and can obtain the fault location by an LED lamp at night.
The processor is also connected with a communication module, the communication module can adopt the existing wireless communication module, such as a 3G/4G/5G wireless communication module, the communication module can communicate with external equipment, the external equipment is convenient for reminding emergency repair personnel to process after receiving information, the external equipment can be a server, the server is connected with a display, the display can display the information, the emergency repair personnel in front of the screen can check the information conveniently, the portable equipment (such as a mobile phone or a flat panel) of the emergency repair personnel can also be connected through the server, and the information is sent to the portable equipment, so that the emergency repair personnel can check the information. Still be connected with orientation module on the treater, the information that the treater sent can include fault information and positional information, and orientation module can directly make the personnel of salvageing acquire the fault location, is convenient for rapid processing.
The processor can be selected from the existing processors, and the processor is not improved by the application.
The utility model discloses can set up chargeable call in casing inside for supply power to the electric element.
The utility model discloses when using:
before the puncture indicator is not installed, the movable caliper 110 is in an open state by manually operating the movable caliper 110 and the pressure plate 201 to clamp the clamping jaws 207 in the locking holes 114. When the movable caliper 110 needs to be installed, at the installation position, the pressure plate 201 of the locking device of the movable caliper 110 is in contact with the cast steel of the insulator, so that the cast steel is pressed on the pressure plate 201, the pressure plate 201 drives the first connecting rod 202 and the second connecting rod 206 to rotate in sequence, the clamping jaws 207 are separated from the locking holes 114, then the movable caliper 110 is combined with the fixed caliper through the resetting device to form a closed state, and the calipers are clamped on the cast steel supporting rods of the insulator. When the insulator and the lightning arrester are broken down, the supporting part of the insulator and the lightning arrester inevitably has larger current passing, and no current passing exists when the insulator and the lightning arrester normally work and are not broken down, so that when the insulator and the lightning arrester are broken down, the clamp ammeter can sense large current, the lowest threshold value of the breakdown current is prestored in the processor, and if the sensed current is larger than the threshold value, the processor sends a signal to the intelligent lock, and the intelligent lock is opened to enable the indicator to fall down; meanwhile, the processor sends a signal to the alarm module, the LED lamp of the alarm module flashes immediately or in a delayed manner, the loudspeaker sounds immediately or in a delayed manner, and meanwhile, the processor sends information to external equipment through the communication module, wherein the information comprises position information and alarm information. And the external equipment receives the information and then displays the information, so that rush repair personnel in front of the external equipment can observe the information and immediately process the information.
The device is sensitive and reliable, and can realize remote fault alarm by adding a communication module; the installation is quick and convenient, and the quick batch installation can be realized; the fault point can be quickly found no matter in the day or at night; low cost and easy popularization and use.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (7)
1. A line isolation device breakdown indicator, comprising:
the clamp-on ammeter comprises a clamp-on ammeter (100), wherein the lower part of the clamp-on ammeter (100) is connected with a shell (130), the clamp-on ammeter (100) comprises a movable caliper (110) and a fixed caliper (120), the lower part of the movable caliper (110) is provided with a connecting plate (111), the connecting plate (111) is provided with an opening, the movable caliper (110) is rotatably connected to the shell (130) through a pin shaft (112) penetrating through the opening, and a reset device is connected between the movable caliper (110) and the shell (130);
the movable caliper (110) is connected with a locking device (200) which enables the movable caliper (110) to be automatically closed.
2. A line isolation device breakdown indicator as claimed in claim 1, wherein:
a locking plate (113) is arranged at the side part of a connecting plate (111) of a movable caliper (110) of the clamp-on ammeter (100), and a locking hole (114) is formed in the locking plate (113);
the locking device (200) comprises a pressing plate (201), the lower part of the pressing plate (201) is connected with a first connecting rod (202), the first connecting rod (202) penetrates through a limiting plate (204) arranged on the shell (130) and then is rotatably connected with a second connecting rod (206) through a rotating shaft (205), and a spring (203) is arranged between the pressing plate (201) and the limiting plate (204);
the end of the second connecting rod (206) is provided with a claw (207), the claw (207) is provided with a lug (208), and the lug (208) can slide in a sliding groove (209) arranged on the shell (130).
3. A line isolation device breakdown indicator as claimed in claim 1, wherein:
the control circuit is arranged in the shell (130), the control circuit comprises a processor, the processor is connected with a coil, the processor is further connected with an alarm module (330), and the alarm module (330) is installed outside the shell (130).
4. A line isolation device breakdown indicator as claimed in claim 3, wherein:
the alarm module (330) includes an LED light and/or a speaker.
5. A line isolation device breakdown indicator as claimed in claim 3, wherein:
the intelligent lock (310) is further connected to the processor, the intelligent lock (310) is installed on the lower portion of the shell (130), and the top end of the indicator (320) can be sleeved in the intelligent lock (310).
6. A line isolation device breakdown indicator as claimed in claim 3, wherein: the processor is also connected with a communication module.
7. A line isolation device breakdown indicator as claimed in claim 6, wherein: the processor is also connected with a positioning module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927407.6U CN214473694U (en) | 2020-09-07 | 2020-09-07 | Breakdown indicator for line insulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927407.6U CN214473694U (en) | 2020-09-07 | 2020-09-07 | Breakdown indicator for line insulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214473694U true CN214473694U (en) | 2021-10-22 |
Family
ID=78135246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021927407.6U Expired - Fee Related CN214473694U (en) | 2020-09-07 | 2020-09-07 | Breakdown indicator for line insulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214473694U (en) |
-
2020
- 2020-09-07 CN CN202021927407.6U patent/CN214473694U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |