CN202151838U - Screwdriver for testing connection and disconnection of a line - Google Patents
Screwdriver for testing connection and disconnection of a line Download PDFInfo
- Publication number
- CN202151838U CN202151838U CN2011202151440U CN201120215144U CN202151838U CN 202151838 U CN202151838 U CN 202151838U CN 2011202151440 U CN2011202151440 U CN 2011202151440U CN 201120215144 U CN201120215144 U CN 201120215144U CN 202151838 U CN202151838 U CN 202151838U
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- battery
- line
- handle
- emitting diode
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a screwdriver for testing connection and disconnection of a line. The screwdriver is used for testing whether two points of the line are communicated with each other. A screwdriver rod is fixed to an end part of a cylindrical handle; the other end of the handle is provided with a central hole; a battery, a light-emitting diode and a compression spring are disposed in the central hole of the handle successively; the positive pole of the battery is contacted with an inner end of the screwdriver rod and the negative pole of the battery is connected with one end of the light-emitting diode; the other end of the light-emitting diode is connected with a testing line; a tail cover thread is connected to the end part of the handle; a tail cover is pressed against the compression spring tightly for realizing favorable contact between the battery and the light-emitting diode and between the battery and an end part of the screwdriver rod; and the testing line is put through the tail cover, with the other end of the testing line connected with an ammeter tester. With the screwdriver rod, the ammeter tester and a tested line forming a circuit, the screwdriver is capable of detecting whether the tested line is connected and contacted easily. The screwdriver is easy to carry and has the function of assembling and disassembling the line and the function of testing connection and disconnection of the line.
Description
Technical field
The utility model relates to self-reacting device, instrument maintenance technique field, and the instrument of particularly a kind of instrument maintenance is to have the screwdriver that whether is communicated with between the test automation instrument, instrument circuit at 2.
Background technology
Self-reacting device, instrument are in installation and maintenance process, and detection line contact and break-make situation are that instrument, instrument are safeguarded one of routine work of worker.In maintenance process, attendant's instrumentation screwdriver with fastening, comes measurement circuitry to contact situation and break-make situation with the resistance grade or the break-make shelves of universal meter to circuit dismounting.The attendant will carry screwdriver and universal meter when work like this, narrow and work high above the ground at some, and very inconvenience of the many uses of the instrument that carries has brought certain potential safety hazard.
The utility model content
The purpose of the utility model is: a kind of screwdriver of measurement circuit break-make is provided, is easy to carry, conveniently dismounting and ability detection line break-make prevent the potential safety hazard of making troubles and causing owing to narrow or high-altitude.
The technical scheme that the utility model adopts is: the screwdriver of measurement circuit break-make, mainly form by screwdriver knife bar, handle, battery, Light-Emitting Diode, compression spring, tail-hood, p-wire and ammeter test pen.The screwdriver knife bar is fixed on the end of cylindrical handle; Handle adopts transparent insulation material to process, and it is characterized in that the other end of handle has centre bore; Battery, Light-Emitting Diode and compression spring are housed in the handle center hole successively; The positive level of battery contacts with the inner of screwdriver knife bar, and the negative level of battery is connected with an end of Light-Emitting Diode, and the other end of Light-Emitting Diode is connected with p-wire; Tail-hood is threaded in the end of handle, and tail-hood compresses the compression spring makes battery contact well with screwdriver knife bar end with Light-Emitting Diode, battery; P-wire passes tail-hood, and the other end of p-wire connects the ammeter test pen.After the outage of measured circuit, screwdriver knife bar and ammeter test pen are contacted test line 2 points respectively, if be conducting between 2 of the test lines, Light-Emitting Diode is luminous, is expressed as path; Break off between 2 of the test lines, Light-Emitting Diode is not luminous.
The beneficial effect of the utility model: the screwdriver of the utility model measurement circuit break-make; Utilize the design of series direct current circuit theory; Form the loop through screwdriver knife bar, ammeter test pen and test line, whether the break-make that just can detect test line easily is with to contact situation good.In regular maintenance, be easy to carry, operation is comparatively convenient separately when narrow space and work high above the ground, has two kinds of functions of dismounting and measurement circuit break-make simultaneously.
Description of drawings
Fig. 1 is the screwdriver structure generalized section of the utility model measurement circuit break-make.
Among the figure, 1-screwdriver knife bar, the 2-handle, the 3-battery, the 4-Light-Emitting Diode, 5-compresses spring, 6-tail-hood, 7-p-wire, 8-ammeter test pen.
The specific embodiment
Embodiment 1: the screwdriver with a measurement circuit break-make is an example, and the utility model is done further explain.
Consult Fig. 1.The screwdriver of the utility model measurement circuit break-make mainly is made up of screwdriver knife bar 1, handle 2, battery 3, Light-Emitting Diode 4, compression spring 5, tail-hood 6, p-wire 7 and ammeter test pen 8.Screwdriver knife bar 1 is fixed on the end of cylindrical handle 2, and handle 2 adopts transparent insulation material to process, and can observe the luminance of Light-Emitting Diode 4.Screwdriver knife bar 1 is processed by chrome-vanadium steel, and handles through overcure and blackout.Tail-hood 6 adopts insulating materials to process.
The other end of handle 2 has centre bore; Battery 3, Light-Emitting Diode 4 and compression spring 5 are housed in handle 2 centre bores successively; The positive level of battery 3 contacts with the inner of screwdriver knife bar 1, and the negative level of battery 3 is connected with an end of Light-Emitting Diode 4, and the other end of Light-Emitting Diode 4 is connected with p-wire 7; Tail-hood 6 is threaded in the end of handle 2, and tail-hood 6 compresses compression spring 5 makes battery contact well with screwdriver knife bar 1 end with Light-Emitting Diode, battery 3; P-wire 7 passes tail-hood 6, and the other end of p-wire 7 connects ammeter test pen 8.
The screwdriver of this measurement circuit break-make can only carry out break-make to circuit to the back that cuts off the power supply to be measured, and forbids charging equipment and alive circuit are measured.
Claims (1)
1. the screwdriver of a measurement circuit break-make mainly is made up of screwdriver knife bar (1), handle (2), battery (3), Light-Emitting Diode (4), compression spring (5), tail-hood (6), p-wire (7) and ammeter test pen (8); Screwdriver knife bar (1) is fixed on the end of cylindrical handle (2); Handle (2) adopts transparent insulation material to process, and it is characterized in that the other end of handle (2) has centre bore; Battery (3), Light-Emitting Diode (4) and compression spring (5) are housed in handle (2) centre bore successively; The positive level of battery (3) contacts with the inner of screwdriver knife bar (1), and the negative level of battery (3) is connected with an end of Light-Emitting Diode (4), and the other end of Light-Emitting Diode (4) is connected with p-wire (7); Tail-hood (6) is threaded in the end of handle (2), and tail-hood (6) compresses compression spring (5) makes battery contact with screwdriver knife bar (1) end with Light-Emitting Diode, battery (3); P-wire (7) passes tail-hood (6), and the other end of p-wire (7) connects ammeter test pen (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202151440U CN202151838U (en) | 2011-06-23 | 2011-06-23 | Screwdriver for testing connection and disconnection of a line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202151440U CN202151838U (en) | 2011-06-23 | 2011-06-23 | Screwdriver for testing connection and disconnection of a line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202151838U true CN202151838U (en) | 2012-02-29 |
Family
ID=45692345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202151440U Expired - Lifetime CN202151838U (en) | 2011-06-23 | 2011-06-23 | Screwdriver for testing connection and disconnection of a line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202151838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891654A (en) * | 2016-03-28 | 2016-08-24 | 国网山东省电力公司章丘市供电公司 | Portable on-off tester |
-
2011
- 2011-06-23 CN CN2011202151440U patent/CN202151838U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891654A (en) * | 2016-03-28 | 2016-08-24 | 国网山东省电力公司章丘市供电公司 | Portable on-off tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |