CN209372198U - A kind of liquid level sensor inspection tooling - Google Patents
A kind of liquid level sensor inspection tooling Download PDFInfo
- Publication number
- CN209372198U CN209372198U CN201920070185.1U CN201920070185U CN209372198U CN 209372198 U CN209372198 U CN 209372198U CN 201920070185 U CN201920070185 U CN 201920070185U CN 209372198 U CN209372198 U CN 209372198U
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- China
- Prior art keywords
- liquid level
- level sensor
- power supply
- harness
- electrically connected
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Abstract
The utility model discloses a kind of liquid level sensors to examine tooling, and signal output line, positive wire and the cathode conductor that the liquid level sensor has harness connector plug and connect with harness connector plug, the inspection tooling includes: water tank, for holding coolant liquid；DC power supply；And indicator light, it further include the first harness and the second harness positioned at the harness socket of the first harness end and for being electrically connected with DC power supply, wherein, the positive wire of the liquid level sensor is set to be electrically connected to the anode of DC power supply, the cathode conductor is electrically connected to the cathode of DC power supply, and the positive and described indicator light that the signal output line is electrically connected to DC power supply is connected on the circuit.The detecting tool measurement method of the utility model is simple, practical, conveniently, it is cheap simultaneously, it is practical, to carry out the liquid level sensor after internal detection test the inspection of function when Cargo Inspection is looked into, to judge whether it meets standard requirements, product distinguishing ability is improved.
Description
Technical field
The utility model relates to sensor detection fields, and in particular to a kind of liquid level sensor inspection tooling.
Background technique
As people's living standard improves, and cultural life is constantly pursued, car user is in addition to there is product fining
High requirement, and requirements at the higher level are proposed to car reliability, this requires bus coating factories to be changed into from original manufacture car
Reliable car transformation is manufactured, in this transition process, so that the competitive pressure of bus industry is increasing.Vehicle each zero
The reliable property amount of part becomes the problem of bus coating producer increasingly pays close attention to, can to reinforce the road test of Passenger Vehicle dynamic and factory
By property requirement, our company increases various reliability detection means during components ware-house-in inspection.
Wherein, it will be installed liquid level sensor in the water tank that most of automobile can be all arranged, for monitoring cistern water level, this
Just need to guarantee that the liquid level sensor installed in each water tank can work normally.In order to guarantee that liquid level sensor can normal work
Make, manufacturer can design test circuit board according to sensor type, and can not obtain as automobile producer this
Detection device can only carry out visual examination to it, and rear to control the part quality, our company is periodically sampled to it and tested, and wrap
High temperature, sealing, vibration test are included, but can not judge its function after the test.
Meanwhile when need to carry out the analysis of old part to the liquid level sensor of Market Feedback problem, because lacking detection means, generally seek
Look for a car by old part entrucking detection function, process is cumbersome, time-consuming and laborious.For the identification for improving detection efficiency and product quality
Ability prevents substandard product batch from flowing into and keeping the stabilizing quality of the components, it is necessary to former detection means improved,
Therefore the corresponding cubing of the part is made, meets the inspection to the parts reliability function and controls.
The liquid level sensor that major producer uses on existing market most commonly static pressure type liquid level sensor, and this sensing
When device works normally, after connecting DC power supply, output end open circuit, when liquid level sensor does not work, output end is connected.For
The conductive characteristic of static pressure type liquid level sensor, it would be desirable to an easy detecting tool is had devised, for detecting static pressure type
Whether liquid level sensor works normally.
Utility model content
The purpose of this utility model is to provide a kind of liquid level sensors to examine tooling, can fast and accurately detect
Whether liquid level sensor works normally.
For this purpose, the utility model proposes a kind of liquid level sensors to examine tooling, the liquid level sensor is inserted with harness
Head and signal output line, positive wire and the cathode conductor being connect with harness connector plug, which is characterized in that the inspection tooling packet
It includes: water tank, for holding coolant liquid；DC power supply；And indicator light, it further include the first harness and positioned at the first harness end
Harness socket and the second harness for being electrically connected with DC power supply, wherein the harness connector plug and the harness socket cooperate,
The positive wire of the liquid level sensor is set to be electrically connected to the anode of DC power supply, the cathode conductor is electrically connected to DC power supply
Cathode, the positive and described indicator light that the signal output line is electrically connected to DC power supply is connected on the circuit.
Further, power switch is in series between the DC power anode and the positive wire.
Further, the power switch is toggle switch.
Further, examining tooling further includes control box, and the power switch, indicator light are installed in the control box face
On plate.
Further, the voltage range of the DC power supply is 15V~30V, is matched with liquid level sensor operating voltage.
Compared with prior art, the utility model has the beneficial effects that
1, the detecting tool measurement method of the utility model is simple, practical, conveniently, while cheap, practical, comes
Cargo Inspection can detect the inspection that the liquid level sensor after test carries out function when looking into appearance, to judge whether it meets standard
It is required that improving product distinguishing ability.
2, the detecting tool of the utility model can accurately measure whether liquid level sensor function meets the requirements, to protect
The road test of later period dynamic and later period vehicle release reliability are demonstrate,proved, while can be used for carrying out the liquid level sensor of Market Feedback problem
Analysis, more previous inspection method save the time.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is that the liquid level sensor of the utility model examines the schematic diagram of tooling；And
Fig. 2 is that the liquid level sensor of the utility model examines the circuit diagram of liquid level sensor in tooling.
Description of symbols
1, DC power supply；2, box is controlled；
3, harness socket；4, liquid level sensor；
5, water tank；21, power switch；
22, indicator light；41, signal output line；
42, positive wire；43, cathode conductor.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 2 shows some embodiments according to the present utility model by Fig. 1-.
As shown in Figure 1, 2, a kind of liquid level sensor examines tooling, including 24V DC power supply 1, control box 2, harness socket
3, water tank 5 and several conducting wires.Wherein, control box 2 is made of control box body, power switch 21, indicator light 22, power switch
21, indicator light 22 is separately mounted on control box body panel.
Specifically, the cathode of DC power supply 1 is connect by conducting wire with the first connecting terminal of socket on harness socket 3, directly
The anode in galvanic electricity source 1 is connect by conducting wire with a connecting terminal of power switch 21, another connecting terminal of power switch 21
It is connect by conducting wire with the second connecting terminal of socket on harness socket 3, the third connecting terminal of socket passes through on harness socket 3
Conducting wire is connect with 22 1 terminals of indicator light, and another terminals of indicator light 22 are connected on power switch 21 by conducting wire.
Specifically, liquid level sensor 4 has harness connector plug, signal output line 41, positive wire 42, cathode conductor 43, letter
Number output line 41, positive wire 42, cathode conductor 43 are connect with three connecting terminals on harness connector plug respectively.Wherein, harness
Socket 3 is connect with the harness connector plug on liquid level sensor 4, connect signal output line 41 with indicator light 22, positive wire 7 and electricity
Source switch 21 connects, and cathode conductor 8 is connect with 1 cathode of DC power supply.
The liquid level sensor of the utility model examines the working principle and detection method of tooling:
This detecting tool is linked together DC power supply 1, control box 2, harness socket 3 by harness, then is passed with liquid level
Sensor 4 connects, and forms series loop.Wherein control 2 red line of box connects 24V-DC positive pole, and black connects power cathode.It is red
Line concatenation control box internal power switch is connect with indicator light one end, then connects liquid level sensor anode by harness socket 3.It is black
Line is connect by connector with liquid level sensor cathode, while liquid level signal output line (yellow line) and 22 other end of indicator light connect
It connects, is formed into a loop.
Wherein, liquid level sensor 4 inputs 24V DC power supply 1, and when working properly, output end is open circuit, works as level sensing
Output end is connected when device does not work.When 4 ware-house-in inspection of liquid level sensor, liquid level sensor 4 is connected to inspection man by reviewer
It loads onto, power switch 21 is pressed after system energization.
Under normal condition, when the probe of liquid level sensor 4 not into the water or 5 water level of water tank be lower than sensor probe when,
Be delayed 6s after, indicator light is bright, when by the probe of liquid level sensor 4 be put into water tank 5 below liquid level or 5 water level of water tank be higher than liquid level
When the probe of sensor 4,2.5s rear indicator light extinguishes, then it represents that 4 function of liquid level sensor is normal, judges that liquid level sensor 4 is examined
It is qualified to survey.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of liquid level sensor examines tooling, the liquid level sensor (4) has harness connector plug and connect with harness connector plug
Signal output line (41), positive wire (42) and cathode conductor (43), which is characterized in that the inspection tooling includes:
Water tank (5), for holding coolant liquid；
DC power supply (1), indicator light (22)；And
First harness and positioned at the harness socket (3) of the first harness end and for the second line for being electrically connected with DC power supply (1)
Beam,
Wherein, the harness connector plug and the harness socket (3) cooperate, and the positive wire (42) is made to be electrically connected to DC power supply
(1) anode, the cathode conductor (43) are electrically connected to the cathode of DC power supply (1), signal output line (41) electrical connection
Positive and described indicator light (22) to DC power supply (1) is connected on the circuit.
2. liquid level sensor according to claim 1 examines tooling, which is characterized in that DC power supply (1) anode with
Power switch (21) are in series between the positive wire (42).
3. liquid level sensor according to claim 2 examines tooling, which is characterized in that the power switch (21) is button
Switch.
4. liquid level sensor according to claim 2 examines tooling, which is characterized in that further include control box (2), the electricity
Source switch (21), indicator light (22) are installed on control box (2) panel.
5. liquid level sensor according to claim 1 examines tooling, which is characterized in that the voltage of the DC power supply (1)
Range is 15V~30V, is matched with liquid level sensor (4) operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070185.1U CN209372198U (en) | 2019-01-16 | 2019-01-16 | A kind of liquid level sensor inspection tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920070185.1U CN209372198U (en) | 2019-01-16 | 2019-01-16 | A kind of liquid level sensor inspection tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372198U true CN209372198U (en) | 2019-09-10 |
Family
ID=67825853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920070185.1U Active CN209372198U (en) | 2019-01-16 | 2019-01-16 | A kind of liquid level sensor inspection tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372198U (en) |
-
2019
- 2019-01-16 CN CN201920070185.1U patent/CN209372198U/en active Active
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