CN117673854A - Tool for discharging capacitor - Google Patents
Tool for discharging capacitor Download PDFInfo
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- CN117673854A CN117673854A CN202311616060.1A CN202311616060A CN117673854A CN 117673854 A CN117673854 A CN 117673854A CN 202311616060 A CN202311616060 A CN 202311616060A CN 117673854 A CN117673854 A CN 117673854A
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- tool
- capacitor
- metal contact
- conductive
- chute
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- 239000003990 capacitor Substances 0.000 title claims abstract description 90
- 238000007599 discharging Methods 0.000 title claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000000007 visual effect Effects 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The application provides a tool for discharging a capacitor, and relates to the technical field of electricity. The tool for discharging the capacitor comprises an insulating rod, wherein one end of the insulating rod is provided with a conductive chute, and one end of the conductive chute is grounded; the pair of metal contacts are connected to the conductive chute, and at least one metal contact is in sliding connection with the conductive chute; the detection device is connected to the metal contact and is used for detecting charges; the metal contact is provided with a clamping part, and the clamping part is used for clamping the positive electrode or the negative electrode of the capacitor. According to the technical scheme, the stability of contact between the discharging tool and the capacitor can be improved, and a technician can obtain the residual charge quantity in the capacitor when discharging the capacitor, so that whether the capacitor is thoroughly discharged is judged, and the situation that the residual charge hurts people is avoided.
Description
Technical Field
The present application relates to the field of electrical technology, and in particular to a tool for capacitor discharge.
Background
The capacitor has the functions of storing electric energy, charging, discharging and the like, and is one of electronic elements used in a large number in electronic equipment. After the electronic equipment is shut down, residual charges still remain in the capacitor, and when the damaged capacitor is overhauled daily or disassembled, the capacitor needs to be fully discharged in order to ensure the safety of operators.
The existing tool for discharging the capacitor, as disclosed in patent CN102623172B, comprises a hollow rod body, wherein a static contact part is arranged in the head part of the hollow rod body, a movable contact part is arranged in the middle part of the hollow rod body, the static contact part and the movable contact part are used for contacting the capacitor, and the capacitor is firstly discharged through a resistor, so that the discharging rod cannot pass through excessive discharging current once, and then the two ends of the capacitor are grounded in a short circuit mode through a wire for discharging again. However, the contact of the capacitor discharging rod is not firmly fixed with the capacitor, the capacitor may be loosened in the moving process, whether the capacitor discharging is completed or not cannot be intuitively judged, the discharging is not thorough, and the situation that the residual charge hurts people exists.
Accordingly, a tool for capacitor discharge is needed to address at least the above-mentioned problems.
Disclosure of Invention
An object of the embodiment of the application is to provide a tool for discharging a capacitor, so as to solve the problems that the existing tool for discharging the capacitor is unstable in contact with the capacitor, and whether the capacitor is thoroughly discharged cannot be judged, and the residual charge is easy to hurt people.
In order to solve the technical problems, the embodiment of the application provides the following technical scheme:
a first aspect of the present application provides a tool for capacitor discharge, comprising: the insulating rod is provided with a conductive chute at one end, and one end of the conductive chute is grounded; the pair of metal contacts are connected to the conductive sliding chute, and at least one metal contact is in sliding connection with the conductive sliding chute; the detection device is connected to the metal contact and is used for detecting charges; the metal contact is provided with a clamping part, and the clamping part is used for clamping the anode or the cathode of the capacitor.
In some embodiments of the present application, the pair of metal contacts are a first metal contact and a second metal contact, respectively, and the second metal contact is slidingly connected to the conductive chute; the tool further comprises: and the limiting part is connected between the second metal contact and the conductive chute and used for limiting the displacement between the second metal contact and the conductive chute.
In some embodiments of the present application, the second metal contact has a first connection portion and a second connection portion, the second connection portion is connected with the conductive chute, the second connection portion has a through hole, and the limiting portion passes through the through hole and abuts against the conductive chute.
In some embodiments of the present application, the conductive runner is grounded through a ground wire; the tool further comprises: the resistor is arranged in the middle of the insulating rod and is electrically connected with the grounding wire.
In some embodiments of the present application, the insulating rod is a hollow telescopic rod structure, and the resistor and at least part of the grounding wire are disposed in the insulating rod.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: and the wire collecting device is arranged on the insulating rod, and the grounding wire is wound on the wire collecting device.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: and the grounding clamp is connected to the grounding wire.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: the alarm device is arranged on the insulating rod; the controller is respectively in communication connection with the detection device and the alarm device, receives detection signals of the detection device and controls the alarm device to give an alarm.
In some embodiments of the present application, the detection device is a charge induction sensor, the alarm device is an audible and visual alarm, and the controller is configured to compare a charge value detected by the charge induction sensor with a preset value, and when the charge value is higher than the preset value, the controller is configured to control the audible and visual alarm to perform audible and visual alarm.
In some embodiments of the present application, the metal contact has an insulating protective sleeve.
Compared with the prior art, the tool for discharging the capacitor provided by the first aspect of the application is characterized in that the capacitor is contacted by the pair of metal contacts, residual charges inside the capacitor are released to the ground through the pair of metal contacts and the conductive sliding groove, so that the capacitor is discharged, and the insulating rod is used for preventing a technician from holding the discharging tool to generate electric shock. The positive electrode or the negative electrode of the capacitor is clamped by the clamping parts of the pair of metal contacts, so that the contact stability of a discharged tool and the capacitor is improved, and the residual charge quantity in the capacitor is detected by the detection device, so that a technician can obtain the residual charge quantity in the capacitor when discharging the capacitor, and whether the capacitor is thoroughly discharged is judged, and the condition that the residual charge hurts people is avoided.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings, in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 shows a schematic structural diagram of a tool for discharging a capacitor according to an exemplary embodiment of the present application.
Reference numerals illustrate:
1. an insulating rod; 2. a conductive chute; 3. a first metal contact; 4. a second metal contact; 5. a detection device; 6. a limit part; 7. a ground wire; 8. a resistor; 9. a wire winding device; 10. a ground clip; 11. and an alarm device.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Example 1
To solve the problems of the prior art, an embodiment of the present application provides a tool for discharging a capacitor, as shown in fig. 1, including: the insulation rod 1, one end of the insulation rod 1 is provided with a conductive chute 2, and one end of the conductive chute 2 is grounded; a pair of metal contacts, wherein the pair of metal contacts are connected to the conductive chute 2, and at least one metal contact is in sliding connection with the conductive chute 2; the detection device 5 is connected with the metal contact and is used for detecting charges; the metal contact is provided with a clamping part, and the clamping part is used for clamping the positive electrode or the negative electrode of the capacitor.
The insulating rod 1 is used for being held by an operator and is made of insulating materials and used for separating charged parts with different electric potentials in electrical equipment, so that the problem that in a discharging process, residual charges of a capacitor hurt people is avoided, the capacitor is contacted by a pair of metal contacts, and the residual charges in the capacitor are released to the ground through the pair of metal contacts and the conductive sliding groove 2, so that the capacitor is discharged.
The tool for discharging the capacitor, provided by the embodiment of the application, is in sliding connection with the conductive chute 2 through at least one metal contact, so that the distance between a pair of metal contacts is consistent with the distance between two stages of the capacitor, the tool can be suitable for fully discharging capacitors with different specifications, and the universality is high; the positive electrode or the negative electrode of the capacitor is clamped by the clamping parts of the pair of metal contacts, so that the contact stability of a discharging tool and the capacitor can be improved, the self-loss of the charges of the internal capacitor is realized when the capacitor is damaged by disassembly and movement, and the risk of discharging to the outside is avoided; the detection device 5 is used for detecting the residual charge quantity in the capacitor in the discharging process, so that an operator can obtain the residual charge quantity in the capacitor when discharging the capacitor, and whether the capacitor is thoroughly discharged is judged, and the condition that the residual charge hurts people is avoided.
In some embodiments of the present application, the metal contact has an insulating protective sleeve. The clamping part of the metal contact is a metal clamp, one end of the metal contact, which is away from the clamping jaw, is provided with an insulating protective sleeve, and the insulating protective sleeve can be made of a silicon rubber material, so that the contact of operators with exposed ends to cause electric shock injury to the operators is avoided.
In some embodiments of the present application, the pair of metal contacts are a first metal contact 3 and a second metal contact 4, respectively, and the second metal contact 4 is slidably connected to the conductive chute 2; the tool further comprises: the limiting part 6 is connected between the second metal contact 4 and the conductive chute 2, and is used for limiting displacement between the second metal contact 4 and the conductive chute 2.
The first metal contact 3 is fixedly connected to the conductive chute 2, the second metal contact 4 is slidably connected to the conductive chute 2, so that the second metal contact 4 can be close to or far away from the first metal contact 3, the gap between the first metal contact 3 and the second metal contact 4 can be adjusted by driving the second metal contact 4 to slide, capacitors applicable to different specifications can be realized, the displacement between the second metal contact 4 and the conductive chute 2 is limited by the limiting part 6, and the connection stability of the second metal contact 4 and the capacitor is improved.
In some embodiments of the present application, the second metal contact 4 has a first connection portion and a second connection portion, the second connection portion is connected with the conductive chute 2, the second connection portion has a through hole, and the limit portion 6 passes through the through hole and abuts against the conductive chute 2.
The first connecting portion of second metal contact 4 can be the pole structure, the one end fixed connection of first connecting portion is in the metal clamp, the other end fixed connection of first connecting portion is in second connecting portion, the second connecting portion of second metal contact 4 can be the plate structure, electrically conductive spout 2 can be U-shaped structure, the both ends of second connecting portion card respectively locate in the U-shaped recess of electrically conductive spout 2, and the second connecting portion can slide along the U-shaped spout, second connecting portion surface is equipped with the through-hole, spacing portion 6 is the bolt jackscrew, spacing portion 6 can pass the through-hole and meet in the internal surface of electrically conductive spout 2 thereby can restrict the displacement of second metal contact 4. One end of the limiting part 6, which is away from the conductive chute 2, is provided with a knob cover cap which is made of insulating materials, so that operators are prevented from contacting the exposed parts to cause electric shock to hurt people.
In some embodiments of the present application, the conductive runner 2 is grounded through a ground wire 7; the tool further comprises: the resistor 8 is arranged in the middle of the insulating rod 1 and is electrically connected with the grounding wire 7.
One end of the conductive chute 2 is connected with a grounding wire 7, the grounding wire 7 is used for bringing the electricity of the capacitor into the ground to be released, the grounding wire 7 can be a bare copper wire, and the outside of the grounding wire is coated with a layer of insulating material. The grounding wire 7 led out from the conductive chute 2 is electrically connected with the resistor 8 and then is connected with the ground, and the capacitor is discharged through the resistor 8, so that the discharge tool cannot be overheated and burnt out due to excessive discharge current at one time.
In some embodiments of the present application, the insulating rod 1 is a hollow telescopic rod structure, and the resistor 8 and at least part of the grounding wire 7 are disposed in the insulating rod 1.
The insulating rod 1 of telescopic link structure can realize discharging to the eminence condenser, and the quality is light, convenient to use, portable, and insulating rod 1 still is equipped with the fixed length that is used for controlling the telescopic link of detaining, unscrews the fixed knot of telescopic link, pulls out the telescopic link until the length of needs. The resistor 8 and the grounding wire 7 led out from the conductive sliding groove 2 are arranged in the insulating rod 1, so that the grounding wire 7 is prevented from being wound mutually in a long length, the appearance of the discharging tool is enabled to be regular, the resistor 8 is protected from being rained to influence the performance, an opening is formed in the surface of the insulating rod 1, and the grounding wire 7 inside the insulating rod 1 is led out from the opening to be grounded.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: and the wire collecting device 9 is arranged on the insulating rod 1, and the grounding wire 7 is wound on the wire collecting device 9.
The wire collecting device 9 is provided with an inlet end and an outlet end, the grounding wire 7 led out from the opening of the insulating rod 1 stretches into the inlet end of the wire collecting device 9, the grounding wire is led out from the outlet end of the wire collecting device 9 through winding, the wire collecting device 9 is used for collecting the overlong grounding wire 7, the wire collecting device 9 is a wire box for automatically collecting wires, the automatic wire collecting function can refer to the existing products, such as an automatic telescopic wire winder, the automatic telescopic wire winder is composed of a box body, a guider, a transmission system, a limiter, a wire winding wheel, a fixing seat and the like, and the automatic wire outlet and locking functions can be achieved. Through the automatic wire-rewinding function of wire rewinding device 9, make the length of earth connection 7 adjustable to guarantee that earth discharge's earth connection 7 is neat and the ground connection is reliable, through the shutting function of wire rewinding device 9, can restrict the automatic wire rewinding of earth connection 7, with guarantee not automatic the retrieving after being qualified for the next round of competitions, make earth connection 7 ground connection not loose risk, the material that has insulating properties is selected to the line box material.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: the ground clip 10, the ground clip 10 is connected to the ground wire 7. The ground wire 7 led out from the outlet end of the wire collecting device 9 is connected with the ground clamp 10, and the ground clamp 10 is used for clamping a ground row on the ground, so that the ground wire 7 is reliably grounded without the risk of loosening.
In some embodiments of the present application, the tool for discharging a capacitor further comprises: the alarm device 11 is arranged on the insulating rod 1; the controller is respectively in communication connection with the detection device 5 and the alarm device 11, receives detection signals of the detection device 5 and controls the alarm device 11 to warn.
The alarm device 11 is disposed inside the insulating rod 1 and can be connected with the surface of the rod portion of the insulating rod 1 through bolts. The alarming device 11 prompts the staff, so that the staff can more intuitively judge whether the capacitor discharges thoroughly, and the controller, the detecting device 5 and the alarming device 11 are combined to improve the intelligence of the discharging tool and effectively improve the safety of field work.
In some embodiments of the present application, the detecting device 5 is a charge induction sensor, the alarm device 11 is an audible and visual alarm, and the controller controls the audible and visual alarm to perform audible and visual alarm when the charge value is higher than a preset value according to the charge value detected by the charge induction sensor.
The charge induction sensor can qualitatively and quantitatively test the generated charge quantity and the polarity of the charge quantity, and the audible and visual alarm can emit flashing light and simultaneously carry out audible alarm after receiving a control instruction sent by the controller. The controller compares the charge value detected by the charge induction sensor with a preset value, the preset value is the charge quantity of the human body, the human body is not damaged, when the residual charge existing in the capacitor is higher than the preset value, the audible and visual alarm prompts a worker, at the moment, the audible and visual alarm lights a red lamp and sounds a whistle, when the residual charge is lower than the preset value, the audible and visual alarm lights a green lamp and stops the whistle, prompts the worker that the discharge is finished at the moment, and the next work can be performed. The charge induction sensor is utilized to detect the charge condition inside the capacitor in real time, and the audible and visual alarm is utilized to enable staff to intuitively judge whether discharging is completed or not, so that the safety level and the working efficiency of field operation are improved.
The working process of the tool for discharging the capacitor provided by the embodiment of the application comprises the following steps:
according to the distance between the two stages of the capacitor, the distance between a pair of metal contacts of the discharging tool is adjusted to be consistent with the distance between the two stages of the capacitor, the wire outlet distance is adjusted, the grounding clamp 10 of the wire outlet end can be reliably connected with the grounding row, an operator stands on the insulating pad, holds the discharging tool, and connects the clamping part of the metal contact with the electrode metal end of the capacitor, so that the capacitor is fully discharged when the audible and visual alarm is not in alarm.
The instrument for capacitor discharge that this application embodiment provided can discharge single condenser and whole capacitor bank, carry on movable metal contact cooperation through lightweight telescopic insulator spindle 1 and have the automatic take-up 9 of shutting function, and charge induction sensing and audible-visual annunciator realize dismantling and remove when damaging the condenser, fully discharge to condenser or capacitor bank, the warning suggestion, automatic take-up, it is convenient to use to have, small, light in weight, firm in connection advantage such as reliable, the problem that the capacitor bank discharged the difficulty has effectively been solved, improve site operation safe level and work efficiency, guarantee site work personnel's personal safety.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A tool for discharging a capacitor, comprising:
the insulating rod is provided with a conductive chute at one end, and one end of the conductive chute is grounded;
the pair of metal contacts are connected to the conductive sliding chute, and at least one metal contact is in sliding connection with the conductive sliding chute;
the detection device is connected to the metal contact and is used for detecting charges;
the metal contact is provided with a clamping part, and the clamping part is used for clamping the anode or the cathode of the capacitor.
2. The tool for capacitor discharge according to claim 1, wherein,
the pair of metal contacts are a first metal contact and a second metal contact respectively, and the second metal contact is connected with the conductive chute in a sliding manner;
the tool further comprises:
and the limiting part is connected between the second metal contact and the conductive chute and used for limiting the displacement between the second metal contact and the conductive chute.
3. The tool for capacitor discharge according to claim 2, wherein,
the second metal contact is provided with a first connecting part and a second connecting part, the second connecting part is connected with the conductive sliding groove, the second connecting part is provided with a through hole, and the limiting part passes through the through hole and is abutted with the conductive sliding groove.
4. The tool for capacitor discharge according to claim 1, wherein,
the conductive sliding chute is grounded through a grounding wire;
the tool further comprises:
the resistor is arranged in the middle of the insulating rod and is electrically connected with the grounding wire.
5. The tool for capacitor discharge according to claim 4,
the insulating rod is of a hollow telescopic rod structure, and the resistor and at least part of the grounding wire are arranged in the insulating rod.
6. The tool for capacitor discharge of claim 4, further comprising:
and the wire collecting device is arranged on the insulating rod, and the grounding wire is wound on the wire collecting device.
7. The tool for capacitor discharge of claim 4, further comprising:
and the grounding clamp is connected to the grounding wire.
8. The tool for capacitor discharge of claim 1, further comprising:
the alarm device is arranged on the insulating rod;
the controller is respectively in communication connection with the detection device and the alarm device, receives detection signals of the detection device and controls the alarm device to give an alarm.
9. The tool for capacitor discharge according to claim 8,
the detection device is a charge induction sensor, the alarm device is an audible and visual alarm, the controller is used for comparing a charge value detected by the charge induction sensor with a preset value, and when the charge value is higher than the preset value, the controller is used for controlling the audible and visual alarm to carry out audible and visual alarm.
10. The tool for capacitor discharge according to claim 1, wherein,
the metal contact has an insulating protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616060.1A CN117673854A (en) | 2023-11-29 | 2023-11-29 | Tool for discharging capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616060.1A CN117673854A (en) | 2023-11-29 | 2023-11-29 | Tool for discharging capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117673854A true CN117673854A (en) | 2024-03-08 |
Family
ID=90065435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311616060.1A Pending CN117673854A (en) | 2023-11-29 | 2023-11-29 | Tool for discharging capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117673854A (en) |
-
2023
- 2023-11-29 CN CN202311616060.1A patent/CN117673854A/en active Pending
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