CN115876963A - Humidity transducer precision automatic test equipment - Google Patents
Humidity transducer precision automatic test equipment Download PDFInfo
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- CN115876963A CN115876963A CN202310113203.0A CN202310113203A CN115876963A CN 115876963 A CN115876963 A CN 115876963A CN 202310113203 A CN202310113203 A CN 202310113203A CN 115876963 A CN115876963 A CN 115876963A
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Abstract
The invention relates to the technical field of humidity sensor precision testing, in particular to automatic humidity sensor precision testing equipment, which comprises: four supporting seats that are arranged in the rectangle of the installation of PMKD and PMKD top. When the bearing seat drives the humidity sensor to enter the test box, the moving port is sealed doubly through the sealing group, so that the problem that the precision of the humidity sensor is difficult to accurately test due to the fact that air in the test box is easy to leak when the humidity sensor enters the test box and moves out of the test box when the sealing plate is opened and closed is solved.
Description
Technical Field
The invention relates to the technical field of humidity sensor precision testing, in particular to automatic humidity sensor precision testing equipment.
Background
The precision of the humidity sensor is an important index of the humidity sensor, so that the precision of the humidity sensor needs to be tested when the humidity sensor is produced, so as to ensure the quality of the produced humidity sensor.
When the humidity sensor performs precision testing, the humidity of a humidity sensor testing area is difficult to obtain a constant humidity guarantee, the humidity sensor moves into the testing area and moves out of the testing area, and in the process of opening and closing the testing area, air in the testing area is easy to leak, so that the precision of the humidity sensor is difficult to obtain accurate testing.
Disclosure of Invention
In order to solve the above problems, the present invention adopts the following technical solution, an automatic testing apparatus for humidity sensor precision, comprising: four supporting seats that are arranged in the rectangle of the installation of PMKD and PMKD top.
The conveying shafts are rotatably arranged between the two supporting seats arranged along the width direction of the fixed bottom plate, and the two conveying shafts are in transmission connection with the chain in a matching way through chain wheels symmetrically arranged along the axial direction of the conveying shafts.
A plurality of seats of accepting evenly arrange along the chain lateral wall, and articulate between two chains, and one of them terminal surface of accepting in two terminal surfaces that the seat was arranged along PMKD length direction is V type structure, and the terminal surface of accepting the seat and keeping away from the chain has seted up the card and has put the groove, and the jack that runs through from top to bottom is seted up to the card and has put the inslot, and the terminal surface of accepting the seat and keeping away from the chain is seted up the swivelling chute with card and put the groove intercommunication, is provided with on the seat and carries out spacing locking group to the sensor.
Install the test box jointly through the fixed strip between four supporting seats, the removal mouth of T type structure is all seted up to two lateral walls that the test box arranged along PMKD length direction, the horizontal segment of removal mouth offers and is used for accepting the chain and follows the draw-in groove of its length direction symmetrical arrangement, be provided with the test set on the test box, be provided with the seal set on the removal mouth, the seal set is including the expansion tank of seting up on two lateral walls that the removal mouth arranged along its horizontal segment length direction, sliding connection has the closing plate along its width direction symmetrical arrangement in the expansion tank, install the stopper that is located between two closing plates in the expansion tank, the opposite face of two closing plates that the removal mouth arranged along its horizontal segment length direction is the slope structure, and two inclined planes form the V type structure unanimous with the V type terminal surface direction of accepting the seat, be connected through the reset spring who evenly arranges from last downwards between closing plate and the expansion tank, the seal assembly is installed to the vertical section of removal mouth.
Preferably, seal assembly all offers including the vertical section both sides inner wall that moves the mouth accomodates the groove, accomodates the inslot sliding connection and has a closed plate, and closed plate and accomodate and be connected through pushing away the spring between the groove, and closed plate is located the below of closing plate, and the relative terminal surface of two relative closed plates is the arc structure.
Preferably, the test set includes the transparent plate of test box top one side installation, the fixed apron of test box top opposite side installation, installs the adjusting disk and the display of adjusting humidity on the fixed apron, and the guide holder is all installed along two inner walls that PMKD length direction was arranged to the test box, and sliding connection has the thrust plate between two guide holders, and the thrust plate is close to the terminal surface of accepting the seat and installs the block lock seat through the rotating electrical machines.
Preferably, the locking group comprises sliding grooves formed in the inner walls of two sides of the clamping grooves arranged along the length direction of the clamping grooves, clamping and abutting plates are connected in the sliding grooves in a sliding mode, the clamping and abutting plates are connected with the sliding grooves through retracting springs, the clamping and abutting plates are aligned with the connecting grooves in two sides of the sensor, supporting grooves are formed in the bearing seats, supporting plates are installed in the supporting grooves through supporting springs, ropes are installed on the clamping and abutting plates and penetrate through the retracting springs and are connected with the supporting plates after the sliding grooves are formed in the clamping and abutting plates, lower pressing rods are installed at one ends, far away from the supporting springs, of the supporting plates, air cylinders are installed on two supporting seats arranged along the length direction of one side of the fixed base plate through fixing plates, contraband type frames are installed at the telescopic ends of the air cylinders through the pulling plates, inserting rods are installed at the bottoms of two ends of the Contraband type frames, and the inserting rods are aligned with the lower pressing rods.
Preferably, the inside wall and the lateral wall of test box all install with the chain parallel and follow the strip of accepting of PMKD length direction symmetrical arrangement, and the roll connection has the antifriction roller of evenly arranging on accepting the strip, accepts the bottom and the antifriction roller rolling contact of seat, accepts the strip and is located between two chains, is located and is connected through the connecting rod between accepting the strip and the supporting seat of test box lateral wall.
Preferably, the opposite surfaces of the two closing plates positioned in the same moving port are rotatably connected with rotating rollers.
Preferably, the opposite surfaces of the two sealing plates symmetrically arranged along the length direction of the horizontal section of the moving port are respectively connected with a rotating roller in a rolling manner.
The invention has the beneficial effects that:
1. according to the automatic test equipment for the precision of the humidity sensor, the moving port is sealed doubly by the sealing group when the bearing seat drives the humidity sensor to enter the test box, so that the problem that the precision of the humidity sensor is difficult to accurately test due to the fact that air in the test box is easy to leak in the opening and closing processes of the sealing plate when the humidity sensor enters and leaves the test box is solved.
2. When the bearing seat drives the sensor to enter the test box, the side wall of the induction head of the sensor is in contact with the arc-shaped side walls of the two closed plates and pushes the two closed plates to move into the containing groove, and the two closed plates are always in contact with the side wall of the induction head of the sensor in the moving process, so that air in the test box is prevented from leaking, and the test accuracy of the humidity sensor is prevented from being influenced.
3. According to the invention, the lower pressing rod and the supporting plate move downwards under the extrusion of the inserting rod, the supporting plate extrudes the supporting spring and pushes the clamping and abutting plate to move towards the sliding groove through the rope, at the moment, the tested sensor can be taken down, and the next sensor is placed in the clamping and placing groove on the other side of the fixed bottom plate, so that the continuity test of the sensor is realized, and the sensor testing efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic main perspective structure of the present invention.
Fig. 2 is an enlarged view of the invention at a in fig. 1.
Fig. 3 is a front view of the present invention.
Fig. 4 is a transverse cross-sectional view of fig. 3 of the present invention.
Fig. 5 is an enlarged view of the invention at C in fig. 4.
Fig. 6 is an enlarged view of the invention at D in fig. 4.
FIG. 7 is a schematic sectional view of the storage tank, the closing plate, the urging spring, and the rotary roller of the present invention.
Fig. 8 is a perspective view of the humidity sensor.
Fig. 9 is a schematic structural view of the bearing seat, the locking group and the sensor of the present invention.
In the figure: 1. fixing the bottom plate; 2. a supporting seat; 3. a conveying shaft; 4. a chain; 40. a bearing seat; 41. a jack; 42. a locking group; 420. a clamping and abutting plate; 421. retracting the spring; 422. a support spring; 423. a support plate; 424. a rope; 425. a lower pressure lever; 426. contraband jig; 427. a rod is inserted; 5. a test box; 50. moving the port; 51. carrying out strip bearing; 52. reducing the grinding roller; 6. a test group; 60. a transparent plate; 61. fixing the cover plate; 62. an adjusting disk; 63. a display; 64. a guide seat; 65. a pushing plate; 66. a latch seat; 7. a sealing group; 70. a telescopic groove; 71. sealing plates; 710. a rotating roller; 72. a limiting block; 73. a return spring; 74. a seal assembly; 740. a receiving groove; 741. a closing plate; 742. pushing a spring; 743. a rotating roller; 8. a sensor.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, 2, 3, 4, 8 and 9, an automatic testing apparatus for the accuracy of a humidity sensor includes: four supporting seats 2 which are arranged in a rectangular shape are arranged at the tops of the fixed base plate 1 and the fixed base plate 1.
The conveying shafts 3 are rotatably arranged between the two supporting seats 2 arranged along the width direction of the fixed bottom plate 1, and the two conveying shafts 3 are in transmission connection with the chain 4 through the chain wheels symmetrically arranged along the axial direction of the two conveying shafts.
A plurality of receiving seats 40 evenly arrange along 4 lateral walls of chain, and articulate in between two chains 4, one of them terminal surface of receiving seat 40 two terminal surfaces of arranging along PMKD 1 length direction is V type structure, the terminal surface of receiving seat 40 far away from chain 4 has seted up the card unwrapping wire groove, the jack 41 that runs through from top to bottom has been seted up in the card unwrapping wire groove, the terminal surface of receiving seat 40 far away from chain 4 has seted up the swivelling chute with card unwrapping wire groove intercommunication, be provided with on the receiving seat 40 and carry out spacing locking group 42 to sensor 8.
Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, a test box 5 is installed between four supporting seats 2 through a fixing strip, a moving opening 50 with a T-shaped structure is formed in each of two side walls of the test box 5 arranged along the length direction of a fixed base plate 1, a clamping groove for receiving a chain 4 and symmetrically arranged along the length direction of the chain is formed in a horizontal section of the moving opening 50, a test set 6 is arranged on the test box 5, a seal set 7 is arranged on the moving opening 50, the seal set 7 includes a telescopic groove 70 formed in each of two side walls of the moving opening 50 arranged along the length direction of the horizontal section, a sealing plate 71 symmetrically arranged along the width direction is slidably connected in the telescopic groove 70, a limiting block 72 located between the two sealing plates 71 is installed in the telescopic groove 70, opposite surfaces of the two sealing plates 71 arranged along the length direction of the horizontal section of the moving opening 50 are inclined structures, the two inclined surfaces form a V-shaped structure consistent with the V-shaped end surface direction of the bearing seat 40, the sealing plates 71 are connected with a return spring 73 uniformly arranged downward from top to bottom, and a sealing assembly 74 is installed in a vertical section of the moving opening 50.
One end of one of them transport axle 3 runs through supporting seat 2 after and is connected with the outside drive motor that drives it and carry out intermittent type rotation, when carrying 3 intermittent type stops, insert sensor 8 card put the inslot, sensor 8's inductive head runs through jack 41, later rethread locking group 42 is spacing to sensor 8 for sensor 8 fixes on accepting seat 40, so that chain 4 with accept seat 40 and drive sensor 8 and carry out stable removal and carry, also prevent simultaneously that sensor 8 from getting into and taking place the displacement when 7 contacts with sealing group in the test box 5.
The sealing plate 71 close to the outer side wall of the test box 5 in the movable port 50 is a first sealing plate, the sealing plate 71 close to the inner side wall of the test box 5 in the movable port 50 is a second sealing plate, the first sealing plate 71 and the second sealing plate 71 are matched to realize the double sealing effect of the movable port 50, and the humidity value adjusted in the test box 5 is prevented from being greatly changed due to air leakage, so that the test of the humidity sensor 8 is not accurate.
Referring to fig. 2, 6 and 7, the sealing assembly 74 includes a receiving groove 740 formed on both inner walls of the vertical section of the moving opening 50, a closing plate 741 is slidably connected in the receiving groove 740, the closing plate 741 is connected to the receiving groove 740 through a pushing spring 742, the closing plate 741 is located below the sealing plate 71, and opposite end faces of two opposite closing plates 741 are of an arc structure.
When the chain 4 drives the bearing seat 40 to move towards the test box 5, the V-shaped end face of the bearing seat 40 contacts with the two first sealing plates first, the V-shaped end face of the bearing seat 40 is inserted between the two first sealing plates and pushes the two first sealing plates to move towards the telescopic groove 70, then the V-shaped end face of the bearing seat 40 contacts with the two second sealing plates and pushes the two second sealing plates to move towards the telescopic groove 70, and the first sealing plate and the second sealing plate move in a matched manner, so that the double sealing effect in the moving port 50 is realized, when the end face, far away from the V-shaped end face, on the bearing seat 40 enters into the moving port 50 and is located between the first sealing plate and the second sealing plate in the moving port 50, the first sealing plate is separated from the side wall of the bearing seat 40, the moving port 50 is rapidly closed under the action of the return spring 73, at the moment, the side wall of the bearing seat 40 is tightly contacted with the second sealing plate, and the instant that the air in the test box 5 leaks to influence the humidity sensor 8 and the test box 5 to separate from the test box 5 and move the accuracy.
In the process that the bearing seat 40 drives the sensor 8 to enter the test box 5, the side wall of the sensing head of the sensor 8 is in contact with the arc-shaped side walls of the two closed plates 741 and pushes the two closed plates 741 to move into the accommodating groove 740, and the two closed plates 741 are in contact with the side wall of the sensing head of the sensor 8 all the time in the moving process, so that air in the test box 5 is prevented from leaking, and the testing accuracy of the humidity sensor 8 is prevented from being influenced.
Referring to fig. 1, fig. 3, fig. 4 and fig. 5, the testing unit 6 includes a transparent plate 60 installed on one side of the top of the testing box 5, and a fixed cover plate 61 installed on the other side of the top of the testing box 5, an adjusting disc 62 and a display 63 for adjusting humidity are installed on the fixed cover plate 61, guide bases 64 are installed on two inner walls of the testing box 5 arranged along the length direction of the fixed base plate 1, a pushing plate 65 is connected between the two guide bases 64 in a sliding manner, and a latch base 66 is installed on the end surface of the pushing plate 65 close to the bearing base 40 through a rotating motor.
Before the test, adjust the humidity in the test box 5 through adjusting disk 62 earlier, then after sensor 8 got into in the test box 5, pass board 65 through being connected with the electronic slider of external drive drives kayser seat 66 and moves towards the rotary switch of sensor 8, until kayser seat 66 and the rotary switch contact of sensor 8, then rotating electrical machines drive kayser seat 66 and rotary switch rotation and open sensor 8 and test, through the humidity value on observing sensor 8 and the humidity value on the display 63, thereby it is accurate to confirm whether the humidity of sensor 8 detects, judge whether the precision of sensor 8 is qualified, transparent plate 60 makes the humidity value of sensor 8 observe more conveniently.
Referring to fig. 1, 4 and 9, the locking set 42 includes sliding grooves formed on the inner walls of the two sides of the clamping grooves arranged along the length direction of the clamping grooves, a clamping and abutting plate 420 is slidably connected in the sliding grooves, the clamping and abutting plate 420 is connected with the sliding grooves through a drawing and retracting spring 421, the clamping and abutting plate 420 is aligned with the connecting grooves on the two sides of the sensor 8, a supporting groove is formed in the bearing seat 40, a supporting plate 423 is installed in the supporting groove through a supporting spring 422, a rope 424 is installed on the clamping and abutting plate 420, the rope 424 penetrates through the drawing and retracting spring 421 and the sliding grooves and then is connected with the supporting plate 423, a lower pressing rod 425 is installed at one end of the supporting plate 423 far away from the supporting spring 422, air cylinders are installed on two supporting seats 2 arranged along the length direction of one side of the fixed base plate 1 through fixed plates, an expanding end of each air cylinder is provided with a model Contraband frame 426 through a drawing plate, inserting rods 427 are installed at the bottoms of the two ends of the model Contraband frame 426, and inserting rods 427 are aligned with the lower pressing rods 425.
When the conveying shaft 3 stops intermittently, the cylinder contracts to drive the Contraband type rack 426 and the inserting rod 427 to move downwards, so that the inserting rod 427 presses the lower pressing rod 425 and the supporting plate 423 to move downwards, the supporting plate 423 presses the supporting spring 422 and pulls the clamping and abutting plate 420 to move towards the sliding groove through the rope 424, at the moment, the tested sensor 8 can be taken down, and the next sensor 8 is placed in the clamping and placing groove on the other side of the fixed bottom plate 1, so that the continuity test of the sensor 8 is realized, and the test efficiency of the sensor 8 is improved.
Referring to fig. 4 and 5, the inner side wall and the outer side wall of the test box 5 are both provided with a bearing strip 51 which is parallel to the chains 4 and symmetrically arranged along the length direction of the fixed base plate 1, the bearing strip 51 is connected with antifriction rollers 52 which are uniformly arranged in a rolling manner, the bottom of the bearing seat 40 is in rolling contact with the antifriction rollers 52, the bearing strip 51 is located between the two chains 4, and the bearing strip 51 located on the outer side wall of the test box 5 is connected with the supporting seat 2 through a connecting rod.
The receiving strip 51 serves to support the movement of the socket 40, while the reducing roller 52 serves to reduce the friction between the socket 40 and the receiving strip 51 during the movement.
Referring to fig. 6 and fig. 7, the opposite surfaces of the two closing plates 741 in the same moving port 50 are rotatably connected with a rotating roller 743, and the rotating roller 743 is used for reducing the friction between the sensing head of the sensor 8 and the closing plates 741 during the moving process.
Referring to fig. 6, the opposite surfaces of the two sealing plates 71 symmetrically arranged along the length direction of the horizontal section of the moving opening 50 are respectively connected with a rotating roller 710 in a rolling manner, and the rotating rollers 710 are used for reducing the friction force between the bearing seat 40 and the sealing plates 71 during the moving process.
The during operation, one of them one end of carrying axle 3 runs through behind the supporting seat 2 and is connected with driving it and carry out intermittent type pivoted external drive motor, when carrying axle 3 intermittent type to stop, insert sensor 8 card put the inslot, sensor 8's inductive head runs through jack 41, later the rethread locking group 42 is spacing to sensor 8, make sensor 8 fix on accepting seat 40, so that chain 4 with accept seat 40 and drive sensor 8 and carry out stable removal transport, also prevent simultaneously that sensor 8 from getting into in test box 5 and taking place the displacement when 7 contacts with sealed group.
The sealing plate 71 close to the outer side wall of the test box 5 in the movable port 50 is a first sealing plate, the sealing plate 71 close to the inner side wall of the test box 5 in the movable port 50 is a second sealing plate, the first sealing plate and the second sealing plate are matched to realize the double sealing effect of the movable port 50, and the humidity value adjusted in the test box 5 is prevented from being greatly changed due to air leakage, so that the test of the humidity sensor 8 is not accurate.
When the chain 4 drives the bearing seat 40 to move towards the test box 5, the V-shaped end face of the bearing seat 40 contacts with the two first sealing plates first, the V-shaped end face of the bearing seat 40 is inserted between the two first sealing plates and pushes the two first sealing plates to move towards the telescopic groove 70, then the V-shaped end face of the bearing seat 40 contacts with the two second sealing plates and pushes the two second sealing plates to move towards the telescopic groove 70, and the first sealing plate and the second sealing plate move in a matched manner, so that the double sealing effect in the moving port 50 is realized, when the end face, far away from the V-shaped end face, on the bearing seat 40 enters into the moving port 50 and is located between the first sealing plate and the second sealing plate in the moving port 50, the first sealing plate is separated from the side wall of the bearing seat 40, the moving port 50 is rapidly closed under the action of the return spring 73, at the moment, the side wall of the bearing seat 40 is tightly contacted with the second sealing plate, and the instant that the air in the test box 5 leaks to influence the humidity sensor 8 and the test box 5 to separate from the test box 5 and move the accuracy.
In the process that the bearing seat 40 drives the sensor 8 to enter the test box 5, the side wall of the sensing head of the sensor 8 is in contact with the arc-shaped side walls of the two closed plates 741 and pushes the two closed plates 741 to move into the accommodating groove 740, and the two closed plates 741 are in contact with the side wall of the sensing head of the sensor 8 all the time in the moving process, so that air in the test box 5 is prevented from leaking, and the testing accuracy of the humidity sensor 8 is prevented from being influenced.
After the sensor 8 is placed in the test chamber 5, the test group 6 opens the sensor 8, tests the sensor 8, removes the sensor 8 from the test chamber 5 when the test is completed, and removes the sensor 8.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An automatic humidity sensor accuracy testing apparatus comprising: a fixed bottom plate (1) and four supporting seats (2) which are arranged in a rectangular shape and are arranged at the top of the fixed bottom plate (1),
the conveying shafts (3) are rotatably arranged between the two supporting seats (2) which are distributed along the width direction of the fixed bottom plate (1), and the two conveying shafts (3) are in matched transmission connection with the chain (4) through chain wheels which are symmetrically distributed along the axial direction of the conveying shafts;
the bearing seats (40) are uniformly distributed along the outer side walls of the chains (4) and hinged between the two chains (4), one end face of each bearing seat (40) in the length direction of the fixing base plate (1) is of a V-shaped structure, a clamping groove is formed in the end face, away from the chains (4), of each bearing seat (40), a vertically-penetrating jack (41) is formed in each clamping groove, a rotating groove communicated with the clamping groove is formed in the end face, away from the chains (4), of each bearing seat (40), and a locking group (42) for limiting the sensor (8) is arranged on each bearing seat (40);
install test box (5) jointly through the fixed strip between four supporting seats (2), test box (5) all offer the removal mouth (50) of T type structure along two lateral walls that PMKD (1) length direction arranged, the horizontal segment that removes mouth (50) offers the draw-in groove that is used for accepting chain (4) and follows its length direction symmetrical arrangement, be provided with test set (6) on test box (5), be provided with seal set (7) on removing mouth (50), flexible groove (70) offered on two lateral walls that seal set (7) arranged including removing mouth (50) along its horizontal segment length direction, sliding connection has along its width direction symmetrical arrangement's closing plate (71) in flexible groove (70), install stopper (72) that is located between two closing plate (71) in flexible groove (70), the opposite face that removes mouth (50) along two closing plate (71) that their horizontal segment length direction arranged is the slope structure, and two inclined planes form the V type structure unanimous with the V type terminal surface direction of accepting seat (40), install the spring assembly that resets (74) and move from last even that reset spring (73) arranged downward between closing plate (71) move and move vertical reset assembly (50) that move.
2. The humidity sensor precision automatic testing device according to claim 1, characterized in that: the sealing assembly (74) comprises accommodating grooves (740) formed in the inner walls of two sides of a vertical section of the moving opening (50), closed plates (741) are connected in the accommodating grooves (740) in a sliding mode, the closed plates (741) are connected with the accommodating grooves (740) through pushing springs (742), the closed plates (741) are located below the sealing plate (71), and the opposite end faces of the two opposite closed plates (741) are of arc-shaped structures.
3. The humidity sensor precision automatic testing device according to claim 1, characterized in that: the testing group (6) comprises a transparent plate (60) installed on one side of the top of the testing box (5) and a fixed cover plate (61) installed on the other side of the top of the testing box (5), a regulating disc (62) and a display (63) for regulating humidity are installed on the fixed cover plate (61), guide seats (64) are installed on two inner walls of the testing box (5) which are arranged along the length direction of the fixed base plate (1), a pushing plate (65) is connected between the two guide seats (64) in a sliding mode, and a clamping lock seat (66) is installed on the end face, close to the bearing seat (40), of the pushing plate (65) through a rotating motor.
4. The humidity sensor precision automatic testing device according to claim 1, characterized in that: the locking group (42) comprises sliding grooves formed in the inner walls of two sides of the clamping grooves distributed along the length direction of the locking group, a clamping abutting plate (420) is connected with the sliding grooves in a sliding mode, the clamping abutting plate (420) is connected with the sliding grooves through a retracting spring (421), the clamping abutting plate (420) is aligned with connecting grooves in two sides of the sensor (8), a supporting groove is formed in a bearing seat (40), a supporting plate (423) is installed in the supporting groove through a supporting spring (422), a rope (424) is installed on the clamping abutting plate (420), the rope (424) penetrates through the retracting spring (421) and the sliding grooves and then is connected with the supporting plate (423), a lower pressing rod (425) is installed at one end, far away from the supporting spring (422), of the supporting plate (423), air cylinders are installed on two supporting seats (2) distributed along the length direction of one side of the fixed base plate (1) through a fixed plate, contraband type rack (426) is installed at the telescopic end of each air cylinder through the pulling plate, inserting rods (427) are aligned with the lower pressing rods (427), and inserting rods (427) are installed at the bottoms of two ends of Contraband type rack (427).
5. The humidity sensor precision automatic testing device according to claim 1, characterized in that: the inside wall and the lateral wall of test box (5) all install and accept strip (51) parallel with chain (4) and along PMKD (1) length direction symmetrical arrangement, accept on strip (51) roll connection have antifriction roller (52) of evenly arranging, the bottom and antifriction roller (52) rolling contact of accepting seat (40), accept strip (51) and be located between two chain (4), be located and be connected through the connecting rod between accepting strip (51) and supporting seat (2) of test box (5) lateral wall.
6. The humidity sensor precision automatic testing device according to claim 2, characterized in that: the opposite surfaces of the two closed plates (741) positioned in the same moving port (50) are rotatably connected with rotating rollers (743).
7. The humidity sensor precision automatic testing device according to claim 1, characterized in that: the opposite surfaces of the two sealing plates (71) symmetrically arranged along the length direction of the horizontal section of the moving opening (50) are respectively connected with a rotating roller (710) in a rolling way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310113203.0A CN115876963B (en) | 2023-02-15 | 2023-02-15 | Humidity sensor precision automatic test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310113203.0A CN115876963B (en) | 2023-02-15 | 2023-02-15 | Humidity sensor precision automatic test equipment |
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| CN115876963A true CN115876963A (en) | 2023-03-31 |
| CN115876963B CN115876963B (en) | 2023-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117019240A (en) * | 2023-08-28 | 2023-11-10 | 河北华明蜡业股份有限公司 | Constant temperature test box with adjustable temperature for paraffin processing |
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| CN213023014U (en) * | 2020-05-09 | 2021-04-20 | 广州市胜泰徕电子有限公司 | Automatic test equipment for humidity sensor |
| CN215573057U (en) * | 2021-08-11 | 2022-01-18 | 南京捷天信息技术有限公司 | Humidity sensor detection device |
| CN114814552A (en) * | 2022-05-09 | 2022-07-29 | 山东多瑞电子科技有限公司 | Full-automatic detection device for temperature and humidity sensor circuit board |
| CN217820272U (en) * | 2022-06-24 | 2022-11-15 | 浙江大华智联有限公司 | Gas detector testing device |
| CN217738305U (en) * | 2022-07-27 | 2022-11-04 | 上海市计量测试技术研究院 | Batch calibration and detection device for temperature and humidity sensors |
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| CN117019240A (en) * | 2023-08-28 | 2023-11-10 | 河北华明蜡业股份有限公司 | Constant temperature test box with adjustable temperature for paraffin processing |
| CN117019240B (en) * | 2023-08-28 | 2024-04-02 | 河北华明蜡业股份有限公司 | Constant temperature test box with adjustable temperature for paraffin processing |
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