CN213750107U - Novel discharging rod capable of detecting residual charge - Google Patents
Novel discharging rod capable of detecting residual charge Download PDFInfo
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- CN213750107U CN213750107U CN202022307907.6U CN202022307907U CN213750107U CN 213750107 U CN213750107 U CN 213750107U CN 202022307907 U CN202022307907 U CN 202022307907U CN 213750107 U CN213750107 U CN 213750107U
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- rod body
- detecting residual
- rod capable
- residual charge
- relay
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Abstract
The novel discharge rod can detect residual charges so as to solve the problem that whether the discharge is complete or not can not be definitely known in the prior art and potential safety hazards exist; the technical scheme for solving the technical problem comprises an insulating rod body and a discharge needle at the front end of the rod body, wherein the rear end of the rod body is in threaded connection with an insulating handle, a grounding wire connected with the discharge needle is arranged on the rod body, and a display is arranged on the insulating handle; the relay is arranged on the insulating handle; the utility model discloses can understand the remaining electric charge of tested article directly perceived, to improving real safe, the reinforcing training teaching effect of instructing, promoting the on-the-spot production safety and having positive meaning.
Description
Technical Field
The utility model belongs to the technical field of the capacitor voltage test and specifically relates to novel discharging rod of detectable residual charge.
Background
The discharge rod is a necessary safety tool applied to high-voltage electrical test work and has the functions of protecting operating personnel and preventing electric shock accidents. When the high-voltage electrical test is carried out, an operator needs to use a qualified discharge rod to fully discharge a tested product after the test is finished, the full discharge is only mentioned in the specification, a clear operation standard is not provided, the specific discharge time can only be judged by the experience of the tester, the hidden danger of insufficient discharge is probably caused, and the uncertainty is increased for the reliability and safety of the electrical test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel discharging rod of detectable residual charge to it can not definitely to learn among the solution prior art whether discharge completely, has the problem of potential safety hazard.
The utility model provides a novel discharging rod capable of detecting residual charges, which solves the technical problems that the novel discharging rod comprises an insulated rod body, a discharging needle at the front end of the rod body, an insulated handle in threaded connection with the rear end of the rod body, an earth wire connected with the discharging needle on the rod body, and a display on the insulated handle; the device also comprises a relay arranged on the insulating handle.
Preferably, a current limiting resistor is arranged between the discharge needle and the grounding wire, and the display is in short circuit with the current limiting resistor.
Preferably, the relay comprises a normally closed contact and a normally open contact.
Preferably, the insulating handle is provided with a control button for controlling the relay, and the control button is used for switching the work of the normally closed contact and the normally open contact.
Preferably, when the normally closed contact works, the display displays a voltage value; when the normally open contact works, the relay is in short circuit with the current-limiting resistor, and the display displays residual charges.
Preferably, an L-shaped grounding hook is arranged on the grounding wire.
Preferably, insulating handle and body of rod connection position be equipped with and protect the bracelet, the hand protector ring on be equipped with towards the annular arch of insulating handle side.
Preferably, a battery is arranged in the insulating handle.
Preferably, the rod body is of a hollow structure, and the current-limiting resistor and the grounding wire are both installed inside the rod body.
The discharge rod in the utility model has the function of detecting the residual charge of the tested object, so that the operating personnel can visually know the residual charge of the tested object in the training teaching and the field operation, and the discharge rod has positive significance for improving the practical training safety, enhancing the training teaching effect and promoting the field production safety; through adopting relay contact short circuit current-limiting resistance, improved and measured the residual charge degree of accuracy, further reduced the influence of residual charge to measured data to improve the degree of accuracy of test data, further improve the security.
In conclusion, the application the technical scheme of the utility model, following beneficial effect has at least:
1. by designing the display screen, the voltage and the residual charge of the tested object can be observed through switching, quantitative detection is carried out, and the discharge condition can be known conveniently in time;
2. the operation is safer and more reliable; the residual charge is displayed, and the operation is safer and more reliable.
3. The residual charge can be removed fully; because the residual charge detection and display is provided, an operator can observe the residual charge more visually, and the residual charge is fully eliminated.
4. The accuracy of the test data is improved.
5. The relay contact is adopted to short-circuit the current-limiting resistor, so that the accuracy of measuring residual charge is improved, the influence of the residual charge on the measured data is further reduced, and the accuracy of the test data is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
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 the attached drawing 1, the utility model provides a novel discharge rod capable of detecting residual charges, which comprises an insulated rod body and a discharge needle 1 arranged at the front end of the rod body, wherein the rod body is fixed on an insulated handle 9 through threaded connection, so that the disassembly and the connection are convenient; the rod body is provided with a grounding wire 4 connected with the discharge needle 1, and the insulating handle 9 is provided with a display 7; a current-limiting resistor 2 is arranged between the discharge needle 1 and the grounding wire 4, and the relay 6, the display 7 and the current-limiting resistor 2 are in short circuit connection and can be used for detecting the voltage, residual charges and the like passing through the current-limiting resistor 2; the display 7 has two kinds of operating condition to control through the different states of the different contacts of relay 6, because be equipped with normally closed contact and normally open contact in the relay 6, first operating condition is: the normally closed contact of the relay 6 works, and the display 7 displays a voltage value; the second operating state is: the normally open contact works, the relay 6 is in short circuit with the current limiting resistor 2, and the display 7 displays residual charges.
Under the normal condition, display 7 shows the voltage value, when the accurate condition of residual charge needs to carry out, realizes on relay 7 normally closed contact and normally open contact operating condition's switching through control button 8.
In order to facilitate the grounding discharge, the grounding wire 4 is provided with an L-shaped grounding hook 3, so that the connection with a grounding wire can be facilitated.
For better protecting the user in the use, insulating handle 9 be equipped with body of rod connection position and protect bracelet 5, protect bracelet 5 on be equipped with towards the annular arch of insulating handle 9 side, hand protector ring 5 has the trend of covering the parcel to user's the hand of gripping, can effectively place the electric shock harm that body of rod upper portion work area probably caused.
A battery is arranged in the insulating handle 9; the battery may be a dry battery or a rechargeable lithium battery as a power source of the display 7.
In order to improve the whole outward appearance of device, the body of rod is hollow structure, current-limiting resistor 2 and earth connection 4 are all installed inside the body of rod, and the pencil is all hidden the design, and whole outward appearance performance is more excellent.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. The novel discharge rod capable of detecting residual charges is characterized by comprising an insulated rod body and a discharge needle (1) arranged at the front end of the rod body, wherein the rear end of the rod body is connected with an insulated handle (9) in a threaded manner, a grounding wire (4) connected with the discharge needle (1) is arranged on the rod body, and a display (7) is arranged on the insulated handle (9); the device also comprises a relay (6) arranged on the insulating handle (9).
2. The novel discharging rod capable of detecting residual charges according to claim 1, wherein a current limiting resistor (2) is arranged between the discharging needle (1) and the grounding wire (4), and the display (7) is in short circuit with the current limiting resistor (2).
3. The novel discharging rod capable of detecting residual charge according to claim 2, characterized in that the relay (6) comprises a normally closed contact and a normally open contact.
4. The novel discharging rod capable of detecting residual charge according to claim 3, characterized in that the insulating handle (9) is provided with a control button (8) for controlling the relay (6), and the control button (8) is used for switching the work of the normally closed contact and the normally open contact.
5. The novel discharging rod capable of detecting residual charge according to claim 4, characterized in that when the normally closed contact is operated, the display (7) displays a voltage value; when the normally open contact works, the relay (6) is in short circuit with the current limiting resistor (2), and the display (7) displays residual charges.
6. The novel discharging rod capable of detecting residual charge according to claim 1, wherein the grounding wire (4) is provided with an L-shaped grounding hook (3).
7. The novel discharging rod capable of detecting residual charges according to claim 1, wherein a hand protecting ring (5) is arranged at the connecting part of the insulating handle (9) and the rod body, and an annular protrusion facing the insulating handle (9) is arranged on the hand protecting ring (5).
8. The novel discharging rod capable of detecting residual charge according to claim 1, wherein a battery is arranged in the insulating handle (9).
9. The novel discharging rod capable of detecting residual charges according to claim 2, wherein the rod body is a hollow structure, and the current limiting resistor (2) and the grounding wire (4) are installed inside the rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307907.6U CN213750107U (en) | 2020-10-16 | 2020-10-16 | Novel discharging rod capable of detecting residual charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307907.6U CN213750107U (en) | 2020-10-16 | 2020-10-16 | Novel discharging rod capable of detecting residual charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213750107U true CN213750107U (en) | 2021-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022307907.6U Active CN213750107U (en) | 2020-10-16 | 2020-10-16 | Novel discharging rod capable of detecting residual charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213750107U (en) |
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2020
- 2020-10-16 CN CN202022307907.6U patent/CN213750107U/en active Active
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