CN220288881U - Sensor sensitivity detection device - Google Patents
Sensor sensitivity detection device Download PDFInfo
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- CN220288881U CN220288881U CN202321774766.6U CN202321774766U CN220288881U CN 220288881 U CN220288881 U CN 220288881U CN 202321774766 U CN202321774766 U CN 202321774766U CN 220288881 U CN220288881 U CN 220288881U
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- sensor
- sensors
- air
- upper pressing
- mounting
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000035945 sensitivity Effects 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Abstract
The utility model discloses a sensor sensitivity detection device, comprising: the bottom plate, its upper wall transversely has set firmly the mounting platform, a plurality of sensor mounting holes have transversely evenly been seted up to mounting platform upper wall. Firstly, the collecting ends of a plurality of sensors are inserted into a sensor mounting hole, then the telescopic ends of the air cylinders are extended to drive the upper pressing plates to descend, in the descending process of the upper pressing plates, the upper pressing plates on two sides of the gaps can press the edges of the outer shell of the sensors, the sensors are tightly pressed on the mounting platform, the wiring terminals of the detection devices are respectively inserted into connectors of the sensors to complete electric connection operation, at the moment, air is discharged into an air channel through the air inlets, after the air pressure is pressurized to the set air pressure, the air is stabilized for a period of time, then the sensors transmit detected data into the control end of the detection devices, the sensitivity of the sensors is monitored through the detection devices, the air cylinders are lifted after the detection is finished, the sensor bodies are taken out, the plurality of sensors can be detected simultaneously at one time, and the efficiency is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of sensor detection, and particularly relates to a sensor sensitivity detection device.
Background
In the automobile sensor, the air pressure sensor has the function of converting an air pressure signal in an automobile air path into an electric signal, so that the air pressure sensor has an important function of monitoring the air pressure state in the automobile air path so as to ensure the safety of a driver and an automobile. Therefore, it is necessary to detect the sensitivity of monitoring thereof using a detection device before its production and shipment.
The detection device generally comprises a clamp device to clamp the air pressure sensor in detection, then the air pressure sensor is externally connected and is introduced with constant pressure gas to the detection end of the sensor, the electric signal obtained by the output of the air pressure sensor is detected, and compared with preset parameters, the detection operation is completed, the traditional detection device can only detect one air pressure sensor at a time, the detection efficiency is low, the accuracy gap of a plurality of sensors is difficult to intuitively know, and a large number of quick delivery detection is difficult to realize.
In view of this, a sensor sensitivity detection device is proposed.
Disclosure of Invention
The utility model aims at: in order to solve the above-mentioned problems, a sensor sensitivity detection device is provided.
The technical scheme adopted by the utility model is as follows: a sensor sensitivity detection apparatus comprising:
the bottom plate is transversely fixedly provided with an installation platform, a plurality of sensor installation holes are transversely and uniformly formed in the upper wall of the installation platform, a gas channel is formed in the installation platform, and the bottoms of the sensor installation holes are communicated with the gas channel through pore channels;
the upper pressing plate is positioned right above the mounting platform, and notches with the same number as the sensor mounting holes are uniformly formed in one side of the upper pressing plate, which is positioned on the sensor mounting holes, and are used for meeting wiring and positioning operations of the sensors;
and the two air cylinders are respectively arranged at the upper ends of two sides of the upper pressing plate.
In a preferred embodiment, the telescopic ends at the bottoms of the two cylinders are fixedly connected with mounting plates, and the mounting plates and the upper pressing plate are fixed together through a plurality of fixing bolts.
In a preferred embodiment, the upper ends of both sides of the bottom plate are fixedly provided with vertical plates, both the two air cylinders are fixedly arranged on the vertical plates, and a plurality of reinforcing plates are fixedly arranged between the front end and the rear end of the vertical plates and the bottom plate.
In a preferred embodiment, the side and the back of the mounting platform are respectively provided with an air inlet and an air outlet which are communicated with the air channel.
In a preferred embodiment, the inside of each sensor mounting hole is provided with an O-shaped sealing ring, and the plurality of notches are respectively and correspondingly arranged right above the plurality of sensor mounting holes.
In a preferred embodiment, the width of the notch is smaller than the width of the outer housing in the sensor and larger than the width of the plastic connector in the sensor.
In a preferred embodiment, a silica gel pad with the same shape as the upper pressing plate is adhered and fixed on the bottom surface of the upper pressing plate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. in the utility model, during detection, a plurality of sensors are arranged on the sensor mounting holes of the mounting platform, then the air cylinder drives the upper pressing plate to descend, the sensors are positioned on the mounting platform, then the wiring terminals of the detection device are respectively inserted into connectors of the sensors, gas is discharged into the gas channel through the gas inlet, the sensitivity of the sensors can be monitored through the detection device, the air cylinder is lifted after the detection is finished, the sensor body is taken out, the plurality of sensors can be detected simultaneously at one time, the efficiency is greatly improved, and a large number of quick delivery detection can be realized.
2. In the utility model, the air pressures born by the plurality of sensors are consistent during detection, and the sensitivity difference of different sensors can be intuitively checked through the detection device, so that OK products and NG products can be conveniently found out.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic perspective view of a mounting platform according to the present utility model;
FIG. 3 is a schematic view of a sectional plan view of the mounting platform of the present utility model;
FIG. 4 is a schematic plan view of the overall top view of the present utility model;
fig. 5 is a schematic diagram showing a three-dimensional structure of a sensor according to the present utility model.
The marks in the figure: 1-vertical plate, 2-upper pressing plate, 3-silica gel pad, 4-notch, 5-cylinder, 6-reinforcing plate, 7-mounting platform, 701-sensor mounting hole, 702-pore channel, 703-air inlet, 704-air outlet, 705-O-shaped sealing ring, 706-gas channel, 8-mounting plate and 9-bottom plate.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-5, a sensor sensitivity detection apparatus includes: the bottom plate 9, the mounting platform 7 has transversely been set firmly to its upper wall, a plurality of sensor mounting holes 701 have transversely evenly been seted up to mounting platform 7 upper wall, clamp plate 2, it is located directly over the mounting platform 7, the breach 4 the same quantity with sensor mounting hole 701 has evenly been seted up to one side that upper clamp plate 2 is located sensor mounting hole 701, be used for satisfying the wiring and the location operation of sensor, two cylinders 5, it is arranged in the both sides upper end of upper clamp plate 2 respectively, insert the collecting end of a plurality of sensors in the sensor mounting hole 701, then the extension of the telescopic end of cylinder 5 drives upper clamp plate 2 and descends, sticis the sensor on mounting platform 7, insert the connector of sensor in this moment respectively with detection device's wiring end, accomplish the electricity and connect the operation, then to the pressure boost in the sensor mounting hole 701, steady voltage is for a period, then the sensor is with the data of detecting in the control end of sensor, monitor the sensitivity of sensor through detection device, cylinder 5 jack-up after the detection, take out the sensor body, can once detect a plurality of sensors simultaneously, efficiency promotes greatly.
The detecting device further comprises a PLC (programmable logic controller) end (not shown in the figure) with the same number of wiring terminals as the sensor mounting holes 701 and a display screen electrically connected with the wiring terminals, data collected by the sensors can be transmitted to the PLC (control) end through the wiring terminals, and sensitivity differences of different sensors can be visually checked through the display screen, so that OK products and NG products can be conveniently found.
The sensor mounting hole 701 has the same shape and size as the sensor bottom collecting end.
In this embodiment, the flexible end of two cylinder 5 bottoms is all fixedly connected with mounting panel 8, fix together through a plurality of fixing bolt between mounting panel 8 and the top board 2, riser 1 has all been set firmly to bottom plate 9's both sides upper end, two equal fixed mounting of cylinder 5 are on riser 1, a plurality of reinforcing plates 6 have been set firmly between riser 1's front and back end and bottom plate 9, the flexible end of cylinder 5 is stretched the back, can drive mounting panel 8 and descend to drive top board 2 and descend, accomplish the location operation to the sensor, prevent that the sensor from receiving the barometric pressure and deviate from when aerifing.
In this embodiment, a gas channel 706 is formed inside the mounting platform 7, the bottom of the sensor mounting hole 701 is all communicated with the gas channel 706 through a hole 702, a gas inlet 703 and a gas outlet 704 which are communicated with the gas channel 706 are formed on the side and the back of the upper mounting platform 7 respectively, wherein one end of the gas inlet 703 is connected with a gas pipe, the gas pipe is connected with a gas pump with a pressure gauge, the gas outlet end of the gas outlet 704 is connected with a solenoid valve (not shown in the figure), when the pressure is increased inside the gas channel 706, the solenoid valve is in a closed state, the gas pump works, gas is discharged into the gas channel 706 through the gas pipe, and after the pressure is increased to the set pressure, detection operation can be performed, and as the gas channel 706 is communicated with the sensor mounting hole 701, the gas pressure in the plurality of sensor mounting holes 701 can be ensured to be the same.
After the detection is finished, the electromagnetic valve is opened, the gas is discharged, and the pressure relief operation is completed.
In this embodiment, the O-ring 705 is placed inside the sensor mounting hole 701, and the plurality of notches 4 are respectively and correspondingly disposed right above the plurality of sensor mounting holes 701, and after the collecting end of the sensor is inserted into the sensor mounting hole 701, the O-ring 705 is tightly pressed, so that interference sealing operation can be realized, the phenomenon of air leakage is reduced, and the detection accuracy is ensured.
In this embodiment, the width of the notch 4 is smaller than the width of the outer casing in the sensor and larger than the width of the plastic connector in the sensor, so that the upper pressing plates 2 on two sides of the notch 4 can press the edge of the outer casing of the sensor when the sensor is lowered.
The thickness of the notch 4 is smaller than that of the plastic connector, so that subsequent wiring operation is convenient.
In this embodiment, the bottom surface of upper platen 2 is fixed with the silica gel pad 3 of the same shape with upper platen 2 in an adhesive manner, and when the silica gel pad 3 that increases can push down, plays certain buffering and guard action to sensor itself, prevents that the phenomenon of scraping flowers and wearing and tearing from appearing in the sensor.
Firstly, the collecting ends of a plurality of sensors are inserted into the sensor mounting holes 701, then the telescopic ends of the air cylinders 5 are extended to drive the upper pressing plates 2 to descend, in the descending process of the upper pressing plates 2, the upper pressing plates 2 on two sides of the notch 4 can press the edges of the outer shell of the sensors, the sensors are tightly pressed on the mounting platform 7, the wiring terminals of the detection device are respectively inserted into connectors of the sensors at the moment to complete electric connection operation, at the moment, air is discharged into the air channels 706 through the air inlets 703, after the air pressure is pressurized to the set air pressure, the pressure is stabilized for a period of time, then the sensors transmit detected data into the control ends of the detection devices, the sensitivity of the sensors is monitored through the detection devices, the air cylinders 5 are lifted after the detection is finished, the sensor bodies are taken out, the sensors can be simultaneously detected for a plurality of the sensors at one time, and the efficiency is greatly improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. A sensor sensitivity detection apparatus, comprising:
the bottom plate (9) is transversely fixedly provided with a mounting platform (7) on the upper wall, a plurality of sensor mounting holes (701) are transversely and uniformly formed in the upper wall of the mounting platform (7), a gas channel (706) is formed in the mounting platform (7), and the bottoms of the sensor mounting holes (701) are communicated with the gas channel (706) through pore channels (702);
the upper pressing plate (2) is positioned right above the mounting platform (7), and notches (4) with the same number as the sensor mounting holes (701) are uniformly formed in one side of the upper pressing plate (2) positioned on the sensor mounting holes (701) and are used for meeting wiring and positioning operation of the sensor;
and two air cylinders (5) which are respectively arranged at the upper ends of two sides of the upper pressing plate (2).
2. A sensor sensitivity detection apparatus according to claim 1, wherein: the telescopic ends at the bottoms of the two air cylinders (5) are fixedly connected with mounting plates (8), and the mounting plates (8) and the upper pressing plate (2) are fixed together through a plurality of fixing bolts.
3. A sensor sensitivity detection apparatus according to claim 1, wherein: riser (1) have all been set firmly to the both sides upper end of bottom plate (9), two equal fixed mounting of cylinder (5) is on riser (1), set firmly a plurality of reinforcing plates (6) between the front and back end of riser (1) and bottom plate (9).
4. A sensor sensitivity detection apparatus according to claim 1, wherein: the side and the back of the mounting platform (7) are respectively provided with an air inlet (703) and an air outlet (704) which are communicated with the air channel (706).
5. A sensor sensitivity detection apparatus according to claim 1, wherein: o-shaped sealing rings (705) are arranged in the sensor mounting holes (701), and a plurality of notches (4) are correspondingly arranged right above the sensor mounting holes (701) respectively.
6. A sensor sensitivity detection apparatus according to claim 1, wherein: the width of the notch (4) is smaller than the width of the outer shell in the sensor and larger than the width of the plastic connector in the sensor.
7. A sensor sensitivity detection apparatus according to claim 1, wherein: the bottom surface of the upper pressing plate (2) is fixedly adhered with a silica gel pad (3) with the same shape as the upper pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774766.6U CN220288881U (en) | 2023-07-07 | 2023-07-07 | Sensor sensitivity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321774766.6U CN220288881U (en) | 2023-07-07 | 2023-07-07 | Sensor sensitivity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288881U true CN220288881U (en) | 2024-01-02 |
Family
ID=89341011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321774766.6U Active CN220288881U (en) | 2023-07-07 | 2023-07-07 | Sensor sensitivity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288881U (en) |
-
2023
- 2023-07-07 CN CN202321774766.6U patent/CN220288881U/en active Active
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