CN205080190U - Digital display test pencil - Google Patents
Digital display test pencil Download PDFInfo
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- CN205080190U CN205080190U CN201520832574.5U CN201520832574U CN205080190U CN 205080190 U CN205080190 U CN 205080190U CN 201520832574 U CN201520832574 U CN 201520832574U CN 205080190 U CN205080190 U CN 205080190U
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- test pencil
- pole contact
- batteries
- numerical monitor
- negative pole
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Abstract
The utility model discloses a digital display test pencil, cover the electrography main part that mutual lock is constituteed including one by protecgulum and back, the front end of electrography main part is equipped with a probe, still include an insulating piece, pop one's head in and arrange in the inside circuit board of electrography main part meets, the tail end of circuit board is equipped with anodal contact and negative pole contact, anodal contact and negative pole contact are equipped with two batteries, the protecgulum is equipped with light, control the lighting switch of light, the display screen that shows measuring result and demonstration test pencil operating condition's pilot lamp, back lid with relative position is equipped with a slot in the middle of two batteries, the insulating piece is arranged in this slot and is stretched into to two batteries in the middle of, makes anodal contact and negative pole contact at the power off condition. The utility model discloses an insulating piece insulates two batteries, guarantees the electric quantity of test pencil when not using, has solved because of battery power runs off, changes the battery and problem that can not normal use.
Description
Technical field
The utility model relates to a kind of test pencil, particularly relates to a kind of numerical monitor test pencil.
Background technology
Whether digital display test pencil is the one of test pencil, belongs to electrotechnical, electronic class instrument, be used in test wires charged.Digital display test pencil handwriting band display screen, can read test voltage digital directly perceived.
During fire detecting line, lighting circuit, has voltage U=about 220V between live wire and ground, human body resistance is generally very little, usually hundreds of is only had to arrive several kilohms, and about the resistance of test pencil inside has a few megaohm usually, very little by the electric current (namely by the electric current of human body) of test pencil, usually less than 1 milliampere, when electric current little is like this by human body, people is not injured, and when electric current little like this passes through the neon bulb of test pencil, neon bulb can be luminous.
Existing digital display test pencil, as do not used for a long time, or when being in state for sale, the battery electric quantity in it can run off, and causes test pencil normally not use.
Utility model content
The purpose of this utility model solves the problems of the prior art, provides a kind of numerical monitor test pencil.
The technical solution of the utility model is: a kind of numerical monitor test pencil, comprises one and mutually fastens by protecgulum and bonnet the electroprobe main body formed; A probe is provided with in the front end of described electroprobe main body; Described probe connects with the circuit board being placed in described electroprobe body interior; Be provided with positive pole contact and negative pole contact at the tail end of described circuit board, described positive pole contact and negative pole contact are provided with two batteries; Be covered with illuminating lamp before described, control the light switch of described illuminating lamp, the pilot lamp of the display screen of display measurement result and display test pencil duty; Also comprise an insulating trip; Lid is provided with a slot with the right position of described two battery mesophase spherule in the rear, and described insulating trip to be placed in this slot and to stretch in the middle of two batteries, makes positive pole contact and negative pole contact be in off-position.
Preferably, described battery is button cell.
Preferably, pen clip is covered with in the rear.
Preferably, described illuminating lamp is LED, is located at the tail end of described probe.
Preferably, described light switch is positioned at the rear of described illuminating lamp; Pilot lamp and display screen is followed successively by the rear of described light switch.
Preferably, induction test button and direct-detection button is provided with successively at the rear of described display screen.
Preferably, described display screen is LCDs.
The utility model has following beneficial effect:
1. adopt insulating trip to be inserted in the middle of two batteries, insulate, ensureing the electricity of test pencil abundance when not using, solving because of loss of electric quantity of battery, and the problem that can not normally use;
2. detect combined-voltage, and show test specification with segmented mode at display screen;
3. have check various household electrical appliances electric wire break-make road, differentiate zero phase line and search the function of breakpoint, facilitate engineering construction to carry out circuit investigation, also can detect the power condition of battery;
4. subsidiary illumination functions, conveniently searches circuit, can be used as torch Emergency use simultaneously in dim environment;
5. adopt blue design of LED, even if environmental testing dim again, also can be perfectly clear;
6. adopt pen clip, can insert and be sandwiched in pocket, be easy to carry.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is rear view of the present utility model;
Fig. 3 is inner structure schematic diagram of the present utility model;
Fig. 4 is rear cover structure schematic diagram of the present utility model;
Fig. 5 is insulation fin construction schematic diagram in the utility model.
Embodiment
The technological means realized to make the utility model, technical characteristic, utility model object and technique effect are easy to understand, and below in conjunction with concrete diagram, set forth the utility model further.
As depicted in figs. 1 and 2, be a kind of numerical monitor test pencil of the present utility model, comprise one and mutually fasten by protecgulum 1 and bonnet 2 the electroprobe main body 10 formed, between protecgulum 1 and bonnet 2, form a hollow chamber.
Be provided with a probe 3 in the front end of described electroprobe main body 10, this probe 3 is for contacting with UUT.In hollow chamber, be provided with a circuit board 4, probe 3 connects with circuit board 4.Be provided with positive pole contact 41 and negative pole contact 42 at the tail end of this circuit board 4, between positive pole contact 41 and negative pole contact 42, be provided with two pieces of batteries 5 into whole circuit board 4 power supply.
Be provided with illuminating lamp 11 at described protecgulum 1, control the light switch 12 of described illuminating lamp 11 opening and closing, show the pilot lamp 13 of test pencil duty and the LCDs 14 of display measurement result; In the present embodiment, preferred illuminating lamp 11 is LED, is located at the tail end of the head end of electroprobe main body 10, probe 3.Light switch 12 of the present utility model is positioned at the rear of described illuminating lamp 11; Pilot lamp 13 and LCDs 14 is followed successively by the rear of described light switch 12.
Induction test button 15 and direct-detection button is provided with successively at the rear of described LCDs 14.16。
As Fig. 5, the utility model also comprises an insulating trip 6; Cover 2 in the rear and be provided with a slot 61 with the right position of described two battery 5 mesophase spherule, described insulating trip 6 to be placed in this slot 61 and to stretch to the centre of two batteries 5, makes positive pole contact 41 and negative pole contact 42 be in off-position, with reference to figure 3.As Fig. 4, cover 2 in the rear and be provided with pen clip 21, can insert and be sandwiched in pocket, be easy to carry.
Test pencil of the present utility model, after all parts assemblings, be inserted in slot 61 by insulating trip 6, make two batteries 5 be in state of insulation, whole like this circuit board 4 is in off-position.Do not using under test pencil or state for sale, the electricity of two batteries 5 can not produce loss, to ensure that the electricity of two batteries 5 is in normal operating condition.Solve because battery electric quantity is not enough and cause the non-serviceable problem of test pencil, decreasing the number of times changing battery, save inside battery electricity.
Be only the utility model preferred embodiment in sum, be not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, and all should belong to technology category of the present utility model.
Claims (7)
1. numerical monitor test pencil, comprises one and mutually fastens by protecgulum and bonnet the electroprobe main body formed; A probe is provided with in the front end of described electroprobe main body; It is characterized in that: also comprise an insulating trip; Described probe connects with the circuit board being placed in described electroprobe body interior; Be provided with positive pole contact and negative pole contact at the tail end of described circuit board, described positive pole contact and negative pole contact are provided with two batteries; Be covered with illuminating lamp before described, control the light switch of described illuminating lamp, the pilot lamp of the display screen of display measurement result and display test pencil duty; Lid is provided with a slot with the right position of described two battery mesophase spherule in the rear, and described insulating trip to be placed in this slot and to stretch in the middle of two batteries, makes positive pole contact and negative pole contact be in off-position.
2. numerical monitor test pencil according to claim 1, is characterized in that: described battery is button cell.
3. numerical monitor test pencil according to claim 1, is characterized in that: be covered with pen clip in the rear.
4. numerical monitor test pencil according to claim 1, is characterized in that: described illuminating lamp is LED, is located at the tail end of described probe.
5. the numerical monitor test pencil according to claim 1 or 4, is characterized in that: described light switch is positioned at the rear of described illuminating lamp; Pilot lamp and display screen is followed successively by the rear of described light switch.
6. numerical monitor test pencil according to claim 5, is characterized in that: be provided with induction test button and direct-detection button successively at the rear of described display screen.
7. numerical monitor test pencil according to claim 6, is characterized in that: described display screen is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832574.5U CN205080190U (en) | 2015-10-26 | 2015-10-26 | Digital display test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832574.5U CN205080190U (en) | 2015-10-26 | 2015-10-26 | Digital display test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080190U true CN205080190U (en) | 2016-03-09 |
Family
ID=55432588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520832574.5U Active CN205080190U (en) | 2015-10-26 | 2015-10-26 | Digital display test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080190U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675964A (en) * | 2016-03-24 | 2016-06-15 | 安庆市德创机电产品设计有限公司 | Multipurpose novel electricity measurement assembly |
| CN105717347A (en) * | 2016-03-10 | 2016-06-29 | 国网山东省电力公司莱州市供电公司 | Induction digital display test pencil provided with illuminating device |
| CN108828279A (en) * | 2018-04-28 | 2018-11-16 | 陈炜 | Test pencil with liquid crystal display |
| CN109490600A (en) * | 2018-11-14 | 2019-03-19 | 惠州市福仪电子科技有限公司 | A kind of multifunction test pencil analyzer |
-
2015
- 2015-10-26 CN CN201520832574.5U patent/CN205080190U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717347A (en) * | 2016-03-10 | 2016-06-29 | 国网山东省电力公司莱州市供电公司 | Induction digital display test pencil provided with illuminating device |
| CN105675964A (en) * | 2016-03-24 | 2016-06-15 | 安庆市德创机电产品设计有限公司 | Multipurpose novel electricity measurement assembly |
| CN108828279A (en) * | 2018-04-28 | 2018-11-16 | 陈炜 | Test pencil with liquid crystal display |
| CN109490600A (en) * | 2018-11-14 | 2019-03-19 | 惠州市福仪电子科技有限公司 | A kind of multifunction test pencil analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |