An automatic detection device for automobile air quality sensor

Abstract

An automated testing device for automobile air quality sensors comprises: a base with several through-holes formed on its surface; a support plate with several assembly holes, each corresponding to the through-holes in the base; a cover plate, adapted to cover the upper portion of the base; an air supply channel formed on its lower surface with several air outlets, each corresponding to the air quality sensors to be tested; and a lifting platform, located below the base and equipped with a control panel and several metal probes, each corresponding to the through-holes in the base. The lifting platform is connected to a drive mechanism and, under the action of the drive mechanism, pushes the metal probes upward, allowing them to be inserted into the air quality sensors to be tested. This device enables efficient and automated testing of automobile air quality sensors.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts production and detection, and in particular to an automatic detection device for an automobile air quality sensor. Background Art

[0002] As a primary means of transportation, cars bring convenience to people. While driving, harmful gases such as carbon monoxide and formaldehyde from exhaust or air conditioning systems may not be fully expelled, and some may remain inside the car. These gases can seriously affect the health of occupants, necessitating monitoring of the air quality inside the car. This requires the use of a car air quality sensor.

[0003] Automotive air quality sensors are crucial components for monitoring air quality inside vehicles. During their production, they must undergo testing to verify their quality (e.g., carbon monoxide sensitivity testing). Therefore, automated testing equipment is needed to efficiently and automatically test these sensors. Summary of the Invention

[0004] The purpose of the present invention is to provide an efficient and error-proof automatic detection device for automobile air quality sensors in order to solve the above problems.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] An automatic detection device for an automobile air quality sensor, comprising:

[0007] A base, wherein a plurality of through holes are provided on a surface of the base;

[0008] a supporting plate detachably mounted on the base, the supporting plate being provided with a plurality of mounting holes for mounting the air quality sensor to be detected, the mounting holes being arranged in a one-to-one correspondence with the through holes of the base;

[0009] a cover plate, which is detachably mounted on the upper portion of the base, wherein an air supply channel is provided on a lower surface of the cover plate, wherein the air supply channel is provided with a plurality of air outlets, wherein the air outlets are arranged in a one-to-one correspondence with the air quality sensors to be detected, and when the cover plate is detachably mounted on the base, the air outlets abut against the air quality sensors to be detected, and allow the detection gas to flow into the air quality sensors;

[0010] A lifting platform is provided at the lower part of the base. The lifting platform is provided with a control panel and a plurality of metal probes. The metal probes are arranged in a one-to-one correspondence with the through holes of the base. The lifting platform is connected to a driving mechanism and is pushed upward under the action of the driving mechanism so that the metal probes are inserted into the air quality sensor to be detected.

[0011] Furthermore, the base is a square stand, which is arranged on a platform. The through holes on the surface of the base are arranged in rows, so that multiple products can be tested at the same time.

[0012] Furthermore, the through holes are provided in two rows, and the through holes are square holes or circular holes.

[0013] Furthermore, the supporting plate includes a rectangular supporting plate body, the supporting plate body is provided with a long strip of convex blocks, a row of assembly holes are arranged at intervals on the convex blocks, grooves are provided between the assembly holes, the assembly holes and grooves match the shape of the air quality sensor to be detected, and the air quality sensor to be detected is placed on the assembly holes and grooves.

[0014] Furthermore, the supporting plate body is a plastic plate, the supporting plate body is provided with a limiting hole, and the base is provided with a limiting column matching the limiting hole;

[0015] The carrier plate is provided with a resistor block, the base is provided with a resistor through-hole corresponding to the resistor block, and the lifting platform is provided with a resistance probe for uniquely identifying the carrier plate. When the resistance value of the carrier plate is correctly matched, detection is performed.

[0016] Furthermore, the supporting plate body is provided with fixed clamping blocks matched with the base, which are distributed on both sides of the supporting plate body.

[0017] Furthermore, two parallel protrusion blocks are provided, and the protrusion blocks are fixed to the supporting plate body by screws.

[0018] Furthermore, a row of circular holes is provided on the side of the convex strip block.

[0019] Furthermore, the assembly hole is a rounded rectangular hole with a notch on one side.

[0020] Furthermore, the groove is a long square groove.

[0021] Furthermore, the cover is hinged to one end of the base.

[0022] Furthermore, the air supply channel is a hollow long square block, the air supply channel is connected to the air source, the air outlet is arranged on the side of the long square block, and a rubber ring is provided on the air outlet, which helps to improve the sealing performance.

[0023] Furthermore, the driving mechanism is a cylinder, which pushes the lifting platform upward, so that the metal probe is inserted into the air quality sensor to be detected, thereby connecting the signal with the external computer equipment.

[0024] Furthermore, the detection gas includes air, nitrogen dioxide, ammonia and carbon monoxide.

[0025] The specific working principle of this device is that during the specific test, the carrier plate is taken out, and multiple air quality sensors to be tested are placed one by one on the assembly holes of the carrier plate, and then the carrier plate is placed on the base. The carrier plate matches the base and can be installed accurately. Then the cover plate is covered, and the air outlet on the cover plate is abutted against the gas detection interface of the air quality sensor to be tested. After the cover plate is pressed, it can be completely sealed, and the detection gas (air, nitrogen dioxide, ammonia and carbon monoxide, etc.) is introduced. Finally, the cylinder and other driving mechanisms are started to push the lifting platform upward, and the metal probe is inserted into the air quality sensor to be tested to achieve contact, which is used to transmit data and other detection information to the computer. The computer is equipped with relevant test software, which can perform product data analysis and testing to determine whether the product is qualified.

[0026] Compared with the prior art, the device of the present invention has the following advantages:

[0027] 1. The device of the present invention can realize automatic and efficient detection of multiple air quality sensors. The detachable carrier plate facilitates the placement of products and can meet the testing needs of multiple products at the same time.

[0028] 2. The load board is equipped with a resistance block to uniquely identify the load board. Testing is performed only when the resistance value of the load board is correctly matched, effectively avoiding errors in the test process.

[0029] 3. An air supply channel is provided on the lower surface of the cover plate. The air supply channel is provided with several air outlets. The air outlets are arranged one by one corresponding to the air quality sensors to be tested. Test gases can be introduced at the same time to meet the testing needs of different gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 Schematic diagram of the overall structure of the device of the present invention;

[0031] Figure 2 for Figure 1 Schematic diagram of the structure without the bearing plate;

[0032] Figure 3 This is a schematic diagram of the front structure of the load-bearing plate of the present invention;

[0033] Figure 4 Schematic diagram of the back structure of the carrier plate of the present invention;

[0034] Figure 5 This is a structural schematic diagram of the carrier plate of the present invention after the air quality sensor is installed. DETAILED DESCRIPTION

[0035] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] Example

[0037] like Figure 1 、 2 , an automatic detection device for automobile air quality sensor, comprising:

[0038] A base 100, with a plurality of through holes 101 formed on the surface of the base 100;

[0039] A carrier plate 200 is detachably mounted on the base 100 . The carrier plate 200 is provided with a plurality of mounting holes 201 for mounting the air quality sensor 500 to be detected. The mounting holes 201 are arranged in a one-to-one correspondence with the through holes 101 of the base 100 .

[0040] A cover plate 300 is provided on the upper portion of the base 100 and can be covered. An air supply channel 301 is provided on the lower surface of the cover plate 300. The air supply channel 301 is provided with a plurality of air outlets 302. The air outlets 302 are provided in a one-to-one correspondence with the air quality sensors 500 to be detected. When the cover plate 300 is covered on the base 100, the air outlets 302 abut against the air quality sensors 500 to be detected, and the detection gas is introduced;

[0041] A lifting platform 400 is provided at the lower part of the base 100. The lifting platform 400 is provided with a control panel and a plurality of metal probes 401. The metal probes 401 are arranged in a one-to-one correspondence with the through holes 101 of the base 100. The lifting platform 400 is connected to a driving mechanism and is pushed upward under the action of the driving mechanism so that the metal probes 401 are inserted into the air quality sensor 500 to be detected.

[0042] The base 100 is a square stand, which is placed on a platform. The through holes 101 on the surface of the base 100 are arranged in rows. There are two rows of through holes 101, and the through holes 101 are square holes or circular holes.

[0043] like Figure 3 、 4 5. The carrier plate 200 comprises a rectangular carrier plate body with elongated raised strips 202 formed thereon. The raised strips 202 are spaced apart in a row of mounting holes 201, with grooves 203 formed between the mounting holes 201. The mounting holes 201 and grooves 203 match the shape of the air quality sensor 500 to be tested, and the air quality sensor 500 to be tested rests on the mounting holes 201 and grooves 203. The carrier plate body is a plastic plate with stop holes 204 formed therein. The base 100 is provided with stop posts that match the stop holes 204. A resistor block 206 is provided on the carrier plate 200, and a resistor through-hole corresponding to the resistor block 206 is provided on the base 100. A resistance probe is provided on the lifting platform 400 to uniquely identify the carrier plate 200. Testing is performed only when the resistance value of the carrier plate 200 is correctly matched.

[0044] The support plate body is provided with fixed clamping blocks 205 that match the base 100 and are distributed on both sides of the support plate body. Two parallel protrusion blocks 202 are provided and fixed to the support plate body by screws. The side edges of the protrusion blocks 202 are provided with a row of circular holes.

[0045] The assembly hole 201 is a rounded rectangular hole with a notch on one side. The groove 203 is a long square groove. The cover plate 300 is hinged to one end of the base 100 .

[0046] The air supply channel 301 is a hollow, elongated block connected to the air source. An air outlet 302 is located on the side of the block and fitted with a rubber ring to improve sealing. The drive mechanism is a pneumatic cylinder, which pushes the lifting platform 400 upward, allowing the metal probe 401 to be inserted into the air quality sensor 500 to be tested, thus communicating the signal with external computer equipment.

[0047] During the specific test, take out the carrier plate, place multiple air quality sensors to be tested on the assembly holes of the carrier plate one by one, and then place the carrier plate on the base. The carrier plate matches the base and can be installed accurately. Then cover the cover, and the air outlet on the cover is in contact with the gas detection interface of the air quality sensor to be tested. After pressing the cover, it can be completely sealed, and the test gases such as air, nitrogen dioxide, ammonia and carbon monoxide are introduced. Finally, start the cylinder and other driving mechanisms to push the lifting platform upward, and insert the metal probe into the air quality sensor to be tested to achieve contact, which is used to transmit data and other detection information to the computer. The computer is equipped with relevant test software, which can perform product data analysis and testing to determine whether the product is qualified.

[0048] The above description of the embodiments is intended to facilitate understanding and use of the invention by those skilled in the art. It will be apparent that those skilled in the art can readily make various modifications to these embodiments and apply the general principles described herein to other embodiments without requiring inventive effort. Therefore, the present invention is not limited to the above-described embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention, without departing from the scope of the present invention, should be within the scope of protection of the present invention.

Claims

1. An automatic detection device for automobile air quality sensor, characterized in that: include: A base (100), wherein a surface of the base (100) is provided with a plurality of through holes (101); a supporting plate (200) detachably mounted on the base (100), the supporting plate (200) being provided with a plurality of assembly holes (201) for mounting the air quality sensor (500) to be detected, the assembly holes (201) being arranged in a one-to-one correspondence with the through holes (101) of the base (100); a cover plate (300) capable of covering the upper portion of the base (100); an air supply channel (301) is provided on the lower surface of the cover plate (300); the air supply channel (301) is provided with a plurality of air outlets (302); the air outlets (302) are provided in a one-to-one correspondence with the air quality sensors (500) to be detected; A lifting platform (400) is provided at the lower part of the base (100), the lifting platform (400) is provided with a control panel and a plurality of metal probes (401), the metal probes (401) are arranged in a one-to-one correspondence with the through holes (101) of the base (100), the lifting platform (400) is connected to a driving mechanism and is pushed upward by the driving mechanism, so that the metal probes (401) are inserted into the air quality sensor (500) to be detected; The carrier plate (200) comprises a rectangular carrier plate body, the carrier plate body is provided with a long strip of convex blocks (202), a row of assembly holes (201) are arranged at intervals on the convex blocks (202), grooves (203) are provided between the assembly holes (201), and the assembly holes (201) and the grooves (203) match the shape of the air quality sensor (500) to be detected; The supporting plate body is a plastic plate, the supporting plate body is provided with a limiting hole (204), and the base (100) is provided with a limiting column matching the limiting hole (204); A resistance block (206) is provided on the bearing plate (200), a resistance through hole corresponding to the resistance block (206) is provided on the base (100), and a resistance probe is provided on the lifting platform (400); The convex strip blocks (202) are provided in two parallel lines, and the convex strip blocks (202) are fixed to the supporting plate body by screws.

2. The automatic detection device for automobile air quality sensor according to claim 1, characterized in that: The base (100) is a square stand, which is arranged on a platform, and the through holes (101) on the surface of the base (100) are arranged in rows.

3. The automatic detection device for automobile air quality sensor according to claim 2, characterized in that: The through holes (101) are provided in two rows, and the through holes (101) are square holes or circular holes.

4. The automatic detection device for automobile air quality sensor according to claim 1, characterized in that: The supporting plate body is provided with fixed clamping blocks (205) that match the base (100) and are distributed on both sides of the supporting plate body.

5. The automatic detection device for automobile air quality sensor according to claim 1, characterized in that: A row of circular holes is provided on the side of the convex block (202), the assembly hole (201) is a rounded rectangular hole with a notch on one side, and the groove (203) is a long square groove.

6. The automatic detection device for automobile air quality sensor according to claim 1, characterized in that: The cover plate (300) is hinged to one end of the base (100); and the driving mechanism is a cylinder.

7. The automatic detection device for automobile air quality sensor according to claim 1, characterized in that: The air supply channel (301) is a hollow long square block. The air supply channel (301) is connected to an air source. The air outlet (302) is provided on the side of the long square block. A rubber ring is provided on the air outlet (302).

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