CN110618312A - Contact-pin type low-voltage test pencil - Google Patents
Contact-pin type low-voltage test pencil Download PDFInfo
- Publication number
- CN110618312A CN110618312A CN201911078437.6A CN201911078437A CN110618312A CN 110618312 A CN110618312 A CN 110618312A CN 201911078437 A CN201911078437 A CN 201911078437A CN 110618312 A CN110618312 A CN 110618312A
- Authority
- CN
- China
- Prior art keywords
- stylus
- insulating
- direct measurement
- electricity testing
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 229910052754 neon Inorganic materials 0.000 claims description 8
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 8
- 241001422033 Thestylus Species 0.000 claims 7
- 230000005611 electricity Effects 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention relates to the technical field of low-voltage electricity testing, in particular to a contact pin type low-voltage electricity testing pen which comprises an insulating shell, wherein a metal electricity testing rod is arranged at the left end of the insulating shell, an insulating protective outer cover is arranged on the outer side of the metal electricity testing rod, the right end of the insulating protective outer cover is fixedly installed with the left end of the insulating shell, an electricity testing circuit is arranged in the insulating shell, an electricity testing display unit and a direct measurement contact pin group are arranged on the insulating shell, the lower end of the direct measurement contact pin group is positioned in the insulating shell, the right end of the metal electricity testing rod is connected with the electricity testing circuit, the electricity testing circuit is connected with the electricity testing display unit, and the electricity testing display unit is connected with the lower end of. Compared with the traditional electroscope, the invention ensures that the worker can carry out low-voltage electroscope operation without taking off the gloves, ensures that the worker can wear the wire gloves strictly according to the safety requirements of the low-voltage operation, reduces the risk of taking off the gloves during the electroscope operation, improves the safety of the operation and greatly reduces the operation risk.
Description
Technical Field
The invention relates to the technical field of low-voltage electroscopy, in particular to a contact pin type low-voltage electroscopy.
Background
The low-voltage test pencil is a common tool for judging a live wire and a zero line in a lighting circuit and testing whether low-voltage electrical equipment is electrified or not. The appearance of the instrument is divided into pen type, taper type and combination type, and is a special tool for checking whether low-voltage electrical equipment and circuits are electrified or not.
At present, a metal pen point of a typical low-voltage electroscope is in line contact with one circuit, a hand is in contact with a metal body part at the tail of the electroscope, and whether the part in contact with the metal pen point is electrified or not is judged by observing a display device in the electroscope; when the low-voltage test pencil is used, a worker cannot wear a wire glove. When low-voltage equipment is maintained in an outdoor power grid, the user needs to wear the wire gloves according to the safety requirements of low-voltage operation, and therefore the user can only take off the wire gloves to perform electricity testing operation, and safety hidden dangers are easily brought to actual operation safety.
Disclosure of Invention
The invention provides a contact-pin type low-voltage electroscope, which overcomes the defects of the prior art and can effectively solve the problems that the existing electroscope cannot wear wire gloves when in use, cannot meet the safety requirements of low-voltage operation and has potential safety hazards.
The technical scheme of the invention is realized by the following measures: the utility model provides a stylus type low pressure test pencil, which comprises an insulating housing, it tests the pole to be equipped with the metal at the insulating housing left end, the outside of testing the pole at the metal is equipped with insulating protection dustcoat, the right-hand member of insulating protection dustcoat is in the same place with insulating housing's left end fixed mounting, be equipped with in insulating housing and test the electric circuit, be equipped with on insulating housing and test electric display element and direct measurement stylus group, the upper end that direct measurement stylus group is located insulating housing outside, the lower extreme that direct measurement stylus group is located inside insulating housing, the right-hand member that the pole was tested to the metal is connected with test electric circuit, test electric circuit and test electric display element and be connected, it is connected with direct measurement stylus group lower extreme to test electric display element.
The following is further optimization or/and improvement of the technical scheme of the invention:
the electricity testing display unit can comprise a digital voltage display module and a neon tube, wherein the digital voltage display is respectively connected with the lower ends of the electricity testing circuit and the direct measurement contact pin group, and the neon tube is respectively connected with the lower ends of the electricity testing circuit and the direct measurement contact pin group.
The protective cover and the anti-skid rubber can also comprise a direct measurement contact pin group protective cover, the protective cover of the direct measurement contact pin group is arranged on the outer side of the insulating shell corresponding to the position of the direct measurement contact pin group, and the anti-skid rubber is arranged on the outer side of the insulating shell.
The direct measurement stylus set may include at least one stylus.
The insulating protective housing may be a telescopic insulating protective housing.
The invention has simple structure, low cost and convenient use, and through the use of the direct measurement contact pin group, compared with the traditional electroscope, the low-voltage electroscope can carry out low-voltage electroscope operation under the condition that workers do not need to take off gloves, and under the condition of meeting the accuracy and reliability of low-voltage electroscope for maintaining outdoor power grids, the invention ensures that the workers can wear the gloves according to the safety requirements of low-voltage operation, reduces the risk of taking off the gloves during electroscope operation, improves the safety of work and greatly reduces the operation risk.
Drawings
Fig. 1 is a schematic front view of the preferred embodiment of the present invention.
Fig. 2 is a circuit structure diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is insulating casing, and 2 are that the pole is tested to the metal, and 3 are insulating protection dustcoat, and 4 are testing electric display element, and 5 are direct measurement contact pin group, and 6 are direct measurement contact pin group safety covers.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached drawing 1, 2, this stylus type low pressure test pencil, including insulating casing 1, it tests pole 2 to be equipped with the metal at insulating casing 1 left end, the outside of testing pole 2 at the metal is equipped with insulating protection dustcoat 3, the right-hand member of insulating protection dustcoat 3 is in the same place with insulating casing 1's left end fixed mounting, be equipped with in insulating casing 1 and test the electric circuit, be equipped with on insulating casing 1 and test electric display element 4 and direct measurement stylus group 5, the upper end of direct measurement stylus group 5 is located insulating casing 1 outside, the lower extreme of direct measurement stylus group 5 is located inside insulating casing 1, the right-hand member and the test electric circuit connection of pole 2 are tested to the metal, test the electric circuit and test electric display element 4 and be connected, test electric display element 4 and direct measurement stylus group 5 lower extremes and be connected.
The electricity testing circuit is a known technology and can be a voltage reduction resistor; the electroscopic display unit 4 is a conventional display unit, such as a light emitting diode, and is used to display whether the low-voltage electrical equipment or the line is charged.
When the device is used, firstly, a worker holds the insulating shell 1 under the condition of wearing the wire glove according to the safety requirement of low-voltage operation, so that the direct measurement contact pin group 5 passes through the wire glove to be in contact with the hand of the worker; then, one end of the metal testing rod 2, which is positioned outside the insulating protective outer cover 3, is contacted with the tested low-voltage electrical equipment or circuit; and finally, observing the electricity testing display unit 4 and judging whether the tested low-voltage electrical equipment or line is electrified or not.
The invention has simple structure, low cost and convenient use, and through the use of the direct measurement contact pin group 5, compared with the traditional electroscope, the invention ensures that the worker can carry out low-voltage electroscope operation under the condition of not needing to take off the glove, and ensures that the worker can wear the wire glove strictly according to the safety requirement of low-voltage operation under the condition of meeting the accuracy and reliability of low-voltage electroscope for maintaining outdoor power grids, thereby reducing the risk of taking off the glove during electroscope operation, improving the safety of work and greatly reducing the operation risk.
The contact pin type low-voltage electroscope can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the electricity testing display unit 4 comprises a digital voltage display module and a neon tube, the digital voltage display is respectively connected with the electricity testing circuit and the lower end of the direct measurement contact pin group 5, and the neon tube is respectively connected with the electricity testing circuit and the lower end of the direct measurement contact pin group 5.
When the neon tube is used, a worker can judge whether the tested low-voltage electrical equipment or line is electrified or not according to the fact whether the neon tube emits light or not and the specific display content of the digital voltage display module. The digital voltage display module can comprise an AD conversion module, a voltage stabilizing module and a digital display screen, wherein the voltage stabilizing module, the AD conversion module and the digital display screen are sequentially connected.
As shown in fig. 1, the device further comprises a direct measurement contact pin group protection cover 6 and anti-slip rubber, wherein the direct measurement contact pin group protection cover 6 is arranged on the outer side of the insulating shell 1 corresponding to the position of the direct measurement contact pin group 5, and the anti-slip rubber is arranged on the outer side of the insulating shell 1.
The anti-skid rubber is arranged on the outer side of the insulating shell 1, so that the anti-skid rubber can prevent skidding and ensure that workers can hold the anti-skid rubber. The direct measurement contact pin group protective cover 6 is arranged on the outer side of the direct measurement contact pin group 5, so that the direct measurement contact pin group 5 can be prevented from being damaged in the processes of use, storage, carrying and the like, and the service life of the direct measurement contact pin group is prolonged.
As shown in fig. 1, the direct measurement stylus set 5 includes at least one stylus.
The direct measurement stylus set 5 includes a stylus to ensure contact stability.
As shown in fig. 1, the insulating protective cover 3 is a telescopic insulating protective cover 3.
The telescopic insulating protective outer cover 3 can protect the metal testing rod 2 from being abraded when the metal testing rod is not used, and the service life of the metal testing rod is prolonged.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (8)
1. The utility model provides a stylus type low pressure test pencil, a serial communication port includes insulating casing, it tests the pole to be equipped with the metal at the insulating casing left end, the outside that tests the pole at the metal is equipped with insulating protection dustcoat, the right-hand member of insulating protection dustcoat is in the same place with insulating casing's left end fixed mounting, be equipped with in insulating casing and test the electric circuit, be equipped with on insulating casing and test electric display element and direct measurement stylus group, the upper end that direct measurement stylus group is located insulating casing outside, the lower extreme that direct measurement stylus group is located inside insulating casing, the right-hand member that the pole was tested to the metal with test electric circuit connection, test electric circuit and test electric display element and be connected, it is connected with direct measurement stylus group lower extreme to test electric display element.
2. The stylus type low-voltage electroscope of claim 1, wherein the electroscopic display unit comprises a digital voltage display module and a neon tube, the digital voltage display is respectively connected with the electroscopic circuit and the lower end of the direct measurement contact pin group, and the neon tube is respectively connected with the electroscopic circuit and the lower end of the direct measurement contact pin group.
3. The stylus type low-voltage electroscope according to claim 1 or 2, further comprising a protective cover for the direct-measurement stylus set and an anti-slip rubber, wherein the protective cover for the direct-measurement stylus set is disposed on the outside of the insulating housing corresponding to the position of the direct-measurement stylus set, and the anti-slip rubber is disposed on the outside of the insulating housing.
4. The stylus low voltage electroscope of claim 1 or 2, wherein the set of direct measurement stylus comprises at least one stylus.
5. The stylus low voltage electroscope of claim 3, wherein the set of direct measurement stylus comprises at least one stylus.
6. The stylus low voltage electroscope of claim 1, 2 or 5, wherein the insulating protective housing is a telescoping insulating protective housing.
7. The stylus low voltage electroscope of claim 3, wherein the insulating protective housing is a telescoping insulating protective housing.
8. The stylus low voltage electroscope of claim 4, wherein the insulating protective housing is a telescoping insulating protective housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078437.6A CN110618312A (en) | 2019-11-06 | 2019-11-06 | Contact-pin type low-voltage test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078437.6A CN110618312A (en) | 2019-11-06 | 2019-11-06 | Contact-pin type low-voltage test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110618312A true CN110618312A (en) | 2019-12-27 |
Family
ID=68927374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911078437.6A Pending CN110618312A (en) | 2019-11-06 | 2019-11-06 | Contact-pin type low-voltage test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110618312A (en) |
-
2019
- 2019-11-06 CN CN201911078437.6A patent/CN110618312A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101672864A (en) | Multi-functional measurement instrument with safety protection device | |
| CN211086440U (en) | Contact-pin type low-voltage test pencil | |
| CN110618312A (en) | Contact-pin type low-voltage test pencil | |
| CN210982591U (en) | Two-section electroscope | |
| CN110058072A (en) | A kind of electroscope with contact detection | |
| CN215067228U (en) | Relay secondary cable does not have shielding layer route selection device | |
| CN201356920Y (en) | Portable static eliminator | |
| CN201945626U (en) | Multi-functional electroprobe | |
| CN211123014U (en) | Test pencil convenient to use | |
| CN208172077U (en) | A kind of multimeter for electronic surveying | |
| CN207924008U (en) | A kind of electroscope with contact detection | |
| CN209432894U (en) | Anti-electric shock socket electroscope | |
| CN201773119U (en) | Socket checking tool box | |
| CN208255279U (en) | A kind of pen meter of universal meter | |
| CN109030916B (en) | Multifunctional test pencil and cable measuring method | |
| CN208109923U (en) | A kind of novel electrotechnical measurement electroprobe | |
| CN2397494Y (en) | Universal meter-electroprobe | |
| CN208999480U (en) | A kind of multi-purpose vehicle(MPV) test pencil of display with voltage | |
| CN204228851U (en) | Multi-purpose vehicle(MPV) electrical equipment diagnostic tool | |
| CN218161498U (en) | Safety protection device for overhauling | |
| CN213023295U (en) | Detection device for automobile electronic safety protection | |
| CN2129932Y (en) | Multifunction electric test pen | |
| CN217931791U (en) | Motor train unit train line testing device | |
| CN2195765Y (en) | Line testing apparatus | |
| CN208060577U (en) | The anti-high pressure of large-size machine stator bar slot potential measurement touches digital display bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |