CN2377540Y - Automotive electrical system test pencil - Google Patents
Automotive electrical system test pencil Download PDFInfo
- Publication number
- CN2377540Y CN2377540Y CN 99228588 CN99228588U CN2377540Y CN 2377540 Y CN2377540 Y CN 2377540Y CN 99228588 CN99228588 CN 99228588 CN 99228588 U CN99228588 U CN 99228588U CN 2377540 Y CN2377540 Y CN 2377540Y
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- CN
- China
- Prior art keywords
- utility
- model
- resistance
- light emitting
- 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 - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a detection pen for automotive electrical systems, which comprises a pen body which is provided with a probe head and a lead clamp. A signal detection circuit is connected between the probe head and the lead clamp. The utility model has the advantages of simple structure, compact structure and convenient operation. Hierarchical voltage display can be used for conveniently knowing the height of measured voltage. The utility model is used for conveniently and accurately detecting the states of a cam, a crankshaft position sensor, a hall effect switch, an igniting sensor coil, a vehicle speed sensor, an electrical bottle, etc.
Description
The utility model discloses a kind of electric system detector.
In the prior art.Check in an automobile circuit no-voltage is arranged, the motor vehicle electrician gets used to the method for drawing fire or examination lamp, and stroke fire or examination lamp can not be distinguished the height of voltage, though can measure with voltage table, but, need to use the digital watch of high impedance for fear of damaging the precise electronic original paper.At present the measured digital watch price of matter is higher, and the information that it provided is not enough to evaluate the situation of automotive electrical system, can not show pulsating volage, ripple frequency etc.
The purpose of this utility model be to provide a kind of cost low, can detect burning voltage and pulsating volage, can distinguish automotive electric system's Probing pen of voltage height.
Technical solution of the present utility model is:
A kind of automotive electric system Probing pen is characterized in that: comprise handwriting, probe and wire clamp are housed on the handwriting, joint detection signal circuit between probe and the wire clamp.
The detection signal circuit is made up of the parallel circuit of two～five parallel connections.Parallel circuit is in series by light emitting diode and resistance, or is in series by stabilivolt, light emitting diode, resistance.Parallel circuit has four, and one of them parallel circuit is formed by the series connection of resistance and light emitting diode, and other parallel circuit is made up of resistance, light emitting diode and stabilivolt with different breakdown reverse voltage parameters.
The utility model is simple in structure, small and exquisite, easy to use, its tapping voltage shows the height that can know the voltage of surveying easily, and it is all very convenient accurately to be used to detect cam, crankshaft position sensor, hall-effect switch, ignition sense coil, vehicle speed sensor, storage battery situation etc.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the configuration diagram of an embodiment of the utility model.
Fig. 2 is the circuit diagram of Fig. 1 embodiment.
A kind of automotive electric system Probing pen comprises handwriting 1, and probe 2 and wire clamp 3 are housed on the handwriting 1, joint detection signal circuit between probe 2 and the wire clamp 3.
The detection signal circuit is made up of the parallel circuit of four parallel connections, and one of them parallel circuit is by resistance R
1With green LED LED
1Be in series, other three parallel circuits are: 1. by resistance R
2, red light emitting diodes LED
2, stabilivolt D
1Be in series stabilivolt D
1The breakdown reverse voltage value be 10V; 2. by resistance R
3, green LED LED
3, stabilivolt D
2Be in series stabilivolt D
2The breakdown reverse voltage value be 12V; 3. by resistance R
4, yellow light-emitting diode LED
4, stabilivolt D
3Be in series stabilivolt D
3The breakdown reverse voltage value be 15V.
Claims (4)
1, a kind of automotive electric system Probing pen is characterized in that: comprise handwriting, probe and wire clamp are housed on the handwriting, joint detection signal circuit between probe and the wire clamp.
2, automotive electric system according to claim 1 Probing pen, it is characterized in that: the detection signal circuit is made up of the parallel circuit of two～five parallel connections.
3, automotive electric system according to claim 2 Probing pen, it is characterized in that: parallel circuit is in series by light emitting diode and resistance, or is in series by stabilivolt, light emitting diode, resistance.
4, automotive electric system according to claim 3 Probing pen, it is characterized in that: parallel circuit has four, one of them parallel circuit is formed by the series connection of resistance and light emitting diode, and other parallel circuit is made up of resistance, light emitting diode and stabilivolt with different breakdown reverse voltage parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228588 CN2377540Y (en) | 1999-06-08 | 1999-06-08 | Automotive electrical system test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228588 CN2377540Y (en) | 1999-06-08 | 1999-06-08 | Automotive electrical system test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2377540Y true CN2377540Y (en) | 2000-05-10 |
Family
ID=34017946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99228588 Expired - Fee Related CN2377540Y (en) | 1999-06-08 | 1999-06-08 | Automotive electrical system test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2377540Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262178A (en) * | 2010-05-25 | 2011-11-30 | 洛克威尔自动控制技术股份有限公司 | Voltage detection and measurement circuit |
| CN102262178B (en) * | 2010-05-25 | 2016-12-14 | 洛克威尔自动控制技术股份有限公司 | Voltage detecting and measuring circuit and detection and the method for measurement input AC voltage |
-
1999
- 1999-06-08 CN CN 99228588 patent/CN2377540Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262178A (en) * | 2010-05-25 | 2011-11-30 | 洛克威尔自动控制技术股份有限公司 | Voltage detection and measurement circuit |
| CN102262178B (en) * | 2010-05-25 | 2016-12-14 | 洛克威尔自动控制技术股份有限公司 | Voltage detecting and measuring circuit and detection and the method for measurement input AC voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |