CN204758685U - Low -voltage test pencil - Google Patents
Low -voltage test pencil Download PDFInfo
- Publication number
- CN204758685U CN204758685U CN201520576828.1U CN201520576828U CN204758685U CN 204758685 U CN204758685 U CN 204758685U CN 201520576828 U CN201520576828 U CN 201520576828U CN 204758685 U CN204758685 U CN 204758685U
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- Prior art keywords
- test pencil
- wire
- low
- voltage
- storage device
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- Expired - Fee Related
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Abstract
The utility model relates to a low -voltage test pencil, including the test pencil main part, test pencil main part front end is provided with surveys structure and LED lamp, the detection structure is passed through the wire and is connected with the inside test circuit board of test pencil main part, the LED lamp passes through the wire and is connected with the inside LED controlling means of test pencil main part, LED controlling means passes through the wire and is connected with power storage device, power storage device passes through the wire and is connected with the test circuit board, test pencil main part rear end is provided with the fixation clamp, the fixation clamp passes through the cord and is connected with power storage device. The utility model discloses simple structure, low cost, convenient to use, it is small to can detect with polarity the voltage classification of low -voltage device.
Description
Technical field
The utility model relates to a kind of voltage test device, particularly relates to a kind of low-voltage test pencil.
Background technology
Along with the development of science and technology and the variation of electronic product, low-voltage, low current device are increasing, relate to every field.Therefore, for the detection of low voltage environment, essential.But whether the common test pencil of family expenses at present, exist high voltage over the ground at inspection household electrical appliance and electronic installation, to guarantee outside this important use of use safety, when checking general low voltage circuit, delicate electronic device, just without ample scope for abilities.
Utility model content
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, and with low cost, easy to use, volume is little, and the low-voltage test pencil that can detect the voltage class of voltage devices and polarity.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of low-voltage test pencil, comprise test pencil main body, described test pencil body front end is provided with detecting structure and LED, described detecting structure is connected by the testing circuit board of wire with test pencil body interior, described LED is connected with the LED control device of test pencil body interior by wire, described LED control device is connected with electrical storage device by wire, described electrical storage device is connected with testing circuit board by wire, described test pencil body rear is provided with geometrical clamp, described geometrical clamp is connected with electrical storage device by cord.
When described detecting structure is for detecting and tested device conducting, described testing circuit board is used for the treatment and analyses of tested device voltage, described electrical storage device is used for the power supply of low-voltage test pencil, and when described geometrical clamp is for detecting, the conducting of contact different from tested device is with fixing.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described test pencil main body side is provided with pilot lamp one, pilot lamp two, and described pilot lamp one, pilot lamp two are connected with testing circuit board respectively by wire, during for detecting, according to pilot lamp one, the luminous situation of pilot lamp two, judge classification and the polarity of tested device voltage.
Further, described test pencil main body side is provided with charging inlet, and described charging inlet is connected with electrical storage device by wire, when charging for electrical storage device, and the access of external power source.
Further, with pushbutton switch on described LED control device, described pushbutton switch one end is arranged on test pencil main body side, when detecting, when light condition is bad, switch can be pressed the button, open LED, improve light condition, be beneficial to the selected of check point and detect.
Further, described detecting structure comprises: probe, insulation tube, described probe is connected through the testing circuit board of insulation tube with test pencil body interior, described insulation tube is used for preventing detecting structure when detecting and detected device Multi-contact, cause short circuit, cause tested device and low-voltage test pencil to damage.
Cleaning Principle of the present utility model is as follows: if when tested device voltage is direct current, when probe connects positive pole, and during fixing clamping connection negative pole, pilot lamp one is luminous; Otherwise probe connects negative pole, during fixing clamping connection positive pole, pilot lamp two is luminous.If when tested device is alternating voltage, pilot lamp one, pilot lamp two will be simultaneously luminous.Therefore, by the luminous situation of pilot lamp one, pilot lamp two, tested device voltage class and polarity can be judged, extremely simply, conveniently.
The utility model structure is simple, and with low cost, easy to use, volume is little, and can detect the voltage class of voltage devices and polarity.
Accompanying drawing explanation
Fig. 1 is a kind of low-voltage test pencil structure of the utility model figure;
In accompanying drawing, the parts representated by each label are as follows: 1, pop one's head in, and 2, insulation tube, 3, LED, 4, pilot lamp one, 5, testing circuit board, 6, pilot lamp two, 7, charging inlet, 8, pushbutton switch, 9, LED control device, 10, electrical storage device, 11, cord, 12, geometrical clamp, 13, test pencil main body.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of low-voltage test pencil, comprise test pencil main body 13, described test pencil main body 13 front end is provided with detecting structure and LED 3, described detecting structure is connected by the testing circuit board 5 of wire with test pencil main body 13 inside, described LED 3 is connected by the LED control device 9 of wire with test pencil main body 13 inside, described LED control device 9 is connected with electrical storage device 10 by wire, described electrical storage device 10 is connected with testing circuit board 5 by wire, described test pencil main body 13 rear end is provided with geometrical clamp 12, described geometrical clamp 12 is connected with electrical storage device 10 by cord 11.
When described detecting structure is for detecting and tested device conducting, described testing circuit board 5 is for the treatment and analyses of tested device voltage, described electrical storage device 10 is for the power supply of low-voltage test pencil, and when described geometrical clamp 12 is for detecting, the conducting of contact different from tested device is with fixing.
Described test pencil main body 13 side is provided with pilot lamp 1, pilot lamp 26, described pilot lamp 1, pilot lamp 26 are connected with testing circuit board 5 respectively by wire, during for detecting, according to pilot lamp 1, the luminous situation of pilot lamp 26, judge classification and the polarity of tested device voltage.Described test pencil main body 13 side is provided with charging inlet 7, and described charging inlet 7 is connected with electrical storage device 10 by wire, when charging for electrical storage device 10, and the access of external power source.With pushbutton switch 8 on described LED control device 9, described pushbutton switch 8 one end is arranged on test pencil main body 13 side, when detecting, when light condition is bad, switch 8 can be pressed the button, open LED 3, improve light condition, be beneficial to the selected of check point and detect.Described detecting structure comprises: probe 1, insulation tube 2, described probe 1 is connected through the testing circuit board 5 of insulation tube 3 with test pencil main body 13 inside, described insulation tube 2 is for preventing detecting structure when detecting and detected device Multi-contact, cause short circuit, cause tested device and low-voltage test pencil to damage.
Cleaning Principle of the present utility model is as follows: if when tested device voltage is direct current, and when probe 1 connects positive pole, when geometrical clamp 12 connects negative pole, pilot lamp 1 is luminous; Otherwise probe 1 connects negative pole, when geometrical clamp 12 connects positive pole, pilot lamp 26 is luminous.If when tested device is alternating voltage, pilot lamp 1, pilot lamp 26 will be simultaneously luminous.Therefore, by the luminous situation of pilot lamp 1, pilot lamp 26, tested device voltage class and polarity can be judged, extremely simply, conveniently.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a low-voltage test pencil, it is characterized in that, comprise test pencil main body, described test pencil body front end is provided with detecting structure and LED, described detecting structure is connected by the testing circuit board of wire with test pencil body interior, described LED is connected with the LED control device of test pencil body interior by wire, described LED control device is connected with electrical storage device by wire, described electrical storage device is connected with testing circuit board by wire, described test pencil body rear is provided with geometrical clamp, and described geometrical clamp is connected with electrical storage device by cord.
2. a kind of low-voltage test pencil according to claim 1, it is characterized in that, described test pencil main body side is provided with pilot lamp one, pilot lamp two, and described pilot lamp one, pilot lamp two are connected with testing circuit board respectively by wire.
3. a kind of low-voltage test pencil according to claim 1, it is characterized in that, described test pencil main body side is provided with charging inlet, and described charging inlet is connected with electrical storage device by wire.
4. a kind of low-voltage test pencil according to claim 1, it is characterized in that, with pushbutton switch on described LED control device, described pushbutton switch one end is arranged on test pencil main body side.
5. a kind of low-voltage test pencil according to claim 1, it is characterized in that, described detecting structure comprises: probe, insulation tube, described probe is connected through the testing circuit board of insulation tube with test pencil body interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576828.1U CN204758685U (en) | 2015-08-04 | 2015-08-04 | Low -voltage test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576828.1U CN204758685U (en) | 2015-08-04 | 2015-08-04 | Low -voltage test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204758685U true CN204758685U (en) | 2015-11-11 |
Family
ID=54473380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520576828.1U Expired - Fee Related CN204758685U (en) | 2015-08-04 | 2015-08-04 | Low -voltage test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204758685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771508A (en) * | 2016-12-29 | 2017-05-31 | 佛山市顺德区奥能电工器材有限公司 | A kind of multifunction test pencil |
-
2015
- 2015-08-04 CN CN201520576828.1U patent/CN204758685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771508A (en) * | 2016-12-29 | 2017-05-31 | 佛山市顺德区奥能电工器材有限公司 | A kind of multifunction test pencil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |