CN208076557U - A kind of multi-functional automobile-used test pen - Google Patents
A kind of multi-functional automobile-used test pen Download PDFInfo
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- CN208076557U CN208076557U CN201820699716.9U CN201820699716U CN208076557U CN 208076557 U CN208076557 U CN 208076557U CN 201820699716 U CN201820699716 U CN 201820699716U CN 208076557 U CN208076557 U CN 208076557U
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- probe
- charactron
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 36
- 241000270722 Crocodylidae Species 0.000 claims description 3
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 3
- 238000003556 assay Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The multi-functional automobile-used test pen of one kind of the utility model, including shell, wherein, it is respectively equipped with charactron on one side in the shell, it is equipped with function switch group key in the left side of the charactron, load testing key and power button, it is equipped with the first sniffing interface in the side of the shell, probe is detachably installed on first sniffing interface, in control circuit board of the enclosure equipped with battery and with test system, it is equipped with the second detection device interface in another side of the shell, the charactron, switch groups key, load testing key, power button, first sniffing interface, battery, second detection device interface distinguishes circuit and connects control circuit board.The common function of ordinary multimeter had both may be implemented in a kind of multi-functional automobile-used test pen of the utility model, can have the characteristics that vdiverse in function, easy to operate, work efficiency is high with the duty ratio in test circuit.
Description
Technical field
The utility model belongs to field of automobile repair, more specifically, more particularly to a kind of multi-functional automobile-used test pen.
Background technology
When automobile electronic system and electrical equipment repair, maintenance tool with the most use at present surely belongs to multimeter, or
Automobile multimeter with a small number of automobile specified functions, for example, need measure DC voltage, alternating voltage, resistance, diode,
When the simple functions such as short-circuit break-make, multimeter can be all used.But general-purpose is directly used when the electrical equipment of automobile repairs
Table is there are also disadvantage, such as multimeter volume are too big, and when use needs both hands to operate, in enging cabin light than dark ground
Side also needs to additional illumination, and multimeter test line front end is not sharp enough, cannot puncture the circuit for being inconvenient to dismantle, multimeter is not
Duty ratio etc. can be tested.It would therefore be highly desirable to invent it is a kind of it is small-sized can one-handed performance, automatic light source, front end be sharp, common end has
Lancet while the device that duty ratio can also be tested, to improve the convenience of automobile electrical equipment ordinary maintenance.
Utility model content
The purpose of this utility model is to provide a kind of multi-functional automobile-used test pen, which both may be implemented commonly
The common function of multimeter can have that vdiverse in function, easy to operate, work efficiency is high with the duty ratio in test circuit
Feature.
The technical solution adopted in the utility model is as follows：
A kind of multi-functional automobile-used test pen, including shell, wherein it is respectively equipped with charactron on one side in the shell,
It is equipped with function switch group key, load testing key and power button in the left side of the charactron, the is equipped in the side of the shell
One sniffing interface is detachably equipped with probe on first sniffing interface, and battery and band are equipped in the enclosure
The control circuit board for having test system is equipped with the second detection device interface in another side of the shell, and described second visits
Survey on device interface and the second detection device be detachably installed, the charactron, switch groups key, load testing key, power button,
First sniffing interface, battery, the second detection device interface difference circuit connect control circuit board.
Further, headlamp there are two being set in side of the shell equipped with probe, the headlamp difference described in two
Probe both sides are symmetricly set on, the headlamp is connect with control circuit board circuit.
Further, the control circuit board includes control module and test system module, the control module and
Test system module circuit connects.
Further, the test system module includes load testing module, DC voltage detection module, alternating voltage
Detection module, resistance test module and duty ratio test module, the load testing module, DC voltage detection module,
Alternating voltage detection module, resistance test module and duty ratio test module distinguish circuit link control module.
Further, it is equipped with plastic sheath on the outside of the probe, the probe front is exposed in the outside of plastic sheath.
Further, the LED light-emitting diodes of prompt test mode are respectively provided in the both sides up and down of the charactron
Pipe, the LED light emitting diodes are connect with control circuit board circuit.
Further, alarm lamp, the alarm lamp and control circuit are equipped on the right side of the charactron
Plate circuit connects.
Further, second detection device includes the pin interfaces, lead and crocodile clip set gradually, described
Pin interfaces are mounted on the second detection device interface.
Further, the shell is that both ends are parallel, intermediate narrowed shell.
Compared with prior art, the utility model have the advantage that for：
The multi-functional automobile-used test pen of one kind of the utility model, including shell, wherein in distinguishing on one side for the shell
Equipped with charactron, it is equipped with function switch group key, load testing key and power button in the left side of the charactron, in the shell
Side is equipped with the first sniffing interface, is detachably equipped with probe on first sniffing interface, is set in the enclosure
There are battery and the control circuit board with test system, the second detection device interface, institute are equipped in another side of the shell
Second detection device, the charactron, switch groups key, load testing are detachably installed on the second detection device interface stated
Key, power button, the first sniffing interface, battery, the second detection device interface difference circuit connect control circuit board.Use this practicality
When a kind of novel multi-functional automobile-used test pen, the switching of test pattern is realized using function switch group key, chooses test
Pattern obtain the relevant information of components of assays, after treatment using the combination of probe or probe and the second detection device
It obtains being converted to digital signal after test result and show, to realize the common function of ordinary multimeter, can also realize to circuit
The test function of the test function of middle duty ratio, a kind of multi-functional automobile-used test pen of the utility model is more diversified, singlehanded
It can complete to detect, more convenient operation, working efficiency higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the structural schematic diagram in the utility model shell；
Fig. 4 is the circuit diagram of the utility model.
Specific implementation mode
With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure
Any restrictions of pairs of the utility model.
Shown in 4, the multi-functional automobile-used test pen of one kind of the utility model, including shell 1, wherein in institute
That states shell 1 is respectively equipped with charactron 2 on one side, and function switch group key 3, load testing key 4 are equipped in the left side of the charactron 2
With power button 5, it is equipped with the first sniffing interface 6 in the side of the shell 1, is detachably installed on first sniffing interface 6
Have probe 7, the shell 1 be internally provided with battery 8 and with test system control circuit board 9, in the another of the shell 1
A side is equipped with the second detection device interface 10, and the second detection dress is detachably equipped on the second detection device interface 10
11 are set, the charactron 2, switch groups key 3, load testing key 4, power button 5, the first sniffing interface 6, battery 8, second detect
Device interface 10 distinguishes circuit and connects control circuit board 9.When using a kind of multi-functional automobile-used test pen of the utility model,
The mutual switching that various test patterns in control circuit board 9 are realized using function switch group key 3, chooses the pattern of test, profit
With the combination of probe 7 or probe and the second detection device 11, the relevant information of components of assays is obtained, at this point, probe 7 and second
The test signal that detection device 11 obtains is sent to control electricity by the first sniffing interface 6 and the second detection device interface 10 respectively
In road plate 9, test result is obtained after the processing of control circuit board 9, digital signal is then converted into and is shown on charactron 2, with
The common function for realizing ordinary multimeter, can also realize the test function to duty ratio in circuit, one kind of the utility model
The test function of multi-functional automobile-used test pen is more diversified, and one hand can be completed to detect, and more convenient operation, working efficiency is more
It is high.
Headlamp 12 there are two being set in side of the shell 1 equipped with probe 7, the headlamp 12 described in two is respectively symmetrically
It is arranged in 7 both sides of probe, the headlamp 12 is connect with 9 circuit of control circuit board, can be with when detecting ambient light deficiency
It controls headlamp 12 to open, conveniently sees detection ambient conditions clearly.
The control circuit board 9 includes control module 91 and test system module 92, the control module 91 and survey
92 circuit of test system module connects.Control module 91 is obtained probe 7 or the second detection device 11 according to selected test pattern
The relevant information of the components of assays taken is sent in corresponding test module, is outputed test result after test module is handled
To control module 91, the test result exported is converted to digital signal in charactron 2 by control module 91.
The test system module includes load testing module 921, DC voltage detection module 922, alternating voltage inspection
Survey module 923, resistance test module 924 and duty ratio test module 925, the load testing module 921, DC voltage
Detection module 922, alternating voltage detection module 923, resistance test module 924 and duty ratio test module 925 are distinguished circuit and are connected
Connect control module 91.
DC voltage detection module 922 and alternating voltage detection module 923 are the detection circuit of electric resistance partial pressure, from probe
7 test signals obtained are closed by being divided when DC voltage detection module 922 or alternating voltage detection module 923
The voltage signal of suitable detection exports test after DC voltage detection module 922 or alternating voltage detection module 923 are handled
As a result to control module 91.
924 main users of resistance test module measure resistance value, and the method realized is as follows：Resistance test module 924 is logical
It crosses a triode and exports a standard voltage value to probe 7 with measuring resistance, when probe 7 is without connection measured resistance, phase
It has been connected in normal voltage by a resistance when in probe 7, no electric current passes through, so the voltage on probe is standard electric
Pressure.When probe 7 and ground wire have been directly connected to measured resistance, measured resistance is connected with measuring resistance, at this time the voltage on probe 7
It is the voltage after normal voltage is divided by measuring resistance with measured resistance, resistance test module 924 detects on probe 7
Voltage, that is, measured resistance voltage, it is the voltage in measuring resistance to subtract the voltage on probe 7 with normal voltage, to calculate string
Join ohmically electric current, obtained measured resistance voltage and electric current, the resistance value of measured resistance, resistance are calculated further according to Ohm's law
Test module 924 exports the resistance value of measured resistance to control module 91.Resistance is divided into two grades of 0-5K and 0K-2M, when detecting
Resistance value be less than 10 ohm or more than 2M when, then prompt to malfunction.
Duty ratio test module 925 is mainly used for the duty ratio in test circuit, and its implementation is as follows：It is obtained from probe 7
The test signal obtained inputs a comparator and is compared, and obtained signal carries out low and high level timing, and high level time is removed
Duty ratio is can be obtained with high-low level time, duty ratio test module 925 exports result to control module 91.
Load testing module 921 is mainly used for the load voltage of test circuit, and its implementation is as follows：Utilize the second detection
The cathode of 11 connecting test circuit of device, 7 connecting test point of probe are loaded when there is 5-36V control sources then to obtain load signal
Test module 921 exports result to control module 91.
7 outside of the probe is equipped with plastic sheath 13, and 7 bare front end of probe is in the outside of plastic sheath 13, plastic sheath
13 energy effective protection probes 7, prevent the accuracy of other signal interference detectable signals.
The LED light emitting diodes 14 of prompt test mode are respectively provided in the both sides up and down of the charactron 2, it is described
LED light emitting diodes 14 connect with 9 circuit of control circuit board, show selected test mould using LED light emitting diodes 14
Formula, allows the ongoing test pattern of user's more intuitive understanding.
It is equipped with alarm lamp 15, the alarm lamp 15 and 9 electricity of control circuit board on the right side of the charactron 2
Road connects, and when measurand has exceeded test scope, can intuitively remind practicability.
Second detection device 11 includes pin interfaces, lead and the crocodile clip set gradually, and the lead connects
Mouth is mounted on the second detection device interface 10, and it is examined that such structure can be such that the second detection device 11 is preferably fixed on
In object, the reliability of test result is increased.The shell 1 parallel, intermediate narrowed shell, such shape for both ends
It is more advantageous to the grasping of user, it is not easy to fall.
It is test pen power supply that power supply 8, which is 2 No. 7 batteries of section, in a kind of multi-functional automobile-used test pen of the utility model, small and exquisite
Flexibly, more convenient to use, while the utility model uses sharp probe, wire-protecting skin can be punctured, without dismantling conducting wire
Can measure is inconvenient to dismantle device.
It is all within the scope of the spirit and principles of the utility model the foregoing is merely the better embodiment of the utility model
Made by all any modification, equivalent and improvement etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of multi-functional automobile-used test pen, including shell (1), which is characterized in that in setting respectively on one side for the shell (1)
There is charactron (2), function switch group key (3), load testing key (4) and power button are equipped in the left side of the charactron (2)
(5), it is equipped with the first sniffing interface (6) in the side of the shell (1), is detachably installed on first sniffing interface (6)
Have probe (7), the shell (1) be internally provided with battery (8) and with test system control circuit board (9), described
Another side of shell (1) is equipped with the second detection device interface (10), detachable on the second detection device interface (10)
Second detection device (11), the charactron (2), switch groups key (3), load testing key (4), power button (5), are installed
Circuit connects control circuit board (9) respectively for one sniffing interface (6), battery (8), the second detection device interface (10).
2. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that be equipped in the shell (1)
The side of probe (7) is set there are two headlamp (12), and the headlamp (12) described in two is symmetrically arranged at probe (7) two
Side, the headlamp (12) are connect with control circuit board (9) circuit.
3. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that the control circuit board
(9) include control module (91) and test system module (92), the control module (91) and test system module (92) are electric
Road connects.
4. the multi-functional automobile-used test pen of one kind according to claim 3, which is characterized in that the test system module
Including load testing module (921), DC voltage detection module (922), alternating voltage detection module (923), resistance test mould
Block (924) and duty ratio test module (925), the load testing module (921), DC voltage detection module (922),
Circuit connects control respectively for alternating voltage detection module (923), resistance test module (924) and duty ratio test module (925)
Module (91).
5. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that set on the outside of the probe (7)
There are plastic sheath (13), outside of the probe (7) bare front end in plastic sheath (13).
6. the multi-functional automobile-used test pen of one kind according to claim 4, which is characterized in that in the charactron (2)
Upper and lower both sides are respectively provided with the LED light emitting diodes (14) of prompt test mode, the LED light emitting diodes (14) with
Control circuit board (9) circuit connects.
7. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that in the charactron (2)
Right side is equipped with alarm lamp (15), and the alarm lamp (15) is connect with control circuit board (9) circuit.
8. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that second detection device
(11) include the pin interfaces, lead and crocodile clip set gradually, the pin interfaces are mounted on the second detection device interface
(10) on.
9. the multi-functional automobile-used test pen of one kind according to claim 1, which is characterized in that the shell (1) is two
Hold row, intermediate narrowed shell level with both hands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820699716.9U CN208076557U (en) | 2018-05-10 | 2018-05-10 | A kind of multi-functional automobile-used test pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820699716.9U CN208076557U (en) | 2018-05-10 | 2018-05-10 | A kind of multi-functional automobile-used test pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076557U true CN208076557U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820699716.9U Expired - Fee Related CN208076557U (en) | 2018-05-10 | 2018-05-10 | A kind of multi-functional automobile-used test pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
-
2018
- 2018-05-10 CN CN201820699716.9U patent/CN208076557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20210510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |