CN211061112U - Pressure sensor calibrating device of automobile seat - Google Patents
Pressure sensor calibrating device of automobile seat Download PDFInfo
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- CN211061112U CN211061112U CN201921871046.5U CN201921871046U CN211061112U CN 211061112 U CN211061112 U CN 211061112U CN 201921871046 U CN201921871046 U CN 201921871046U CN 211061112 U CN211061112 U CN 211061112U
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- pressure sensor
- automobile seat
- gear
- calibration device
- tension sensor
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Abstract
The utility model relates to a pressure sensor calibrating device of car seat, including portable base, elevating platform, the force sensor of calibration usefulness, fixed mounting has two bilateral symmetry's stand on the portable base, and the elevating platform moves from top to bottom along the stand through the drive of two sets of rack and pinion actuating mechanisms, and the top fixed mounting of two stands has manual pushing down the mechanism, and the force sensor mounting base that reciprocates is installed by the drive of manual pushing down the mechanism to the bottom of manual pushing down the mechanism, and force sensor installs on force sensor mounting base. The beneficial effects are that: this calibrating device realizes supporting, exerting pressure to car seat's pressure sensor to extrude each other through force sensor and car seat's pressure sensor, utilize the interact of power, compare force sensor and car seat's pressure sensor's pressure value and can learn car seat's pressure sensor's accuracy.
Description
Technical Field
The utility model relates to a car seat field especially relates to a car seat's pressure sensor calibrating device.
Background
The pressure sensor of the automobile seat is a film type contact sensor, the contacts of the pressure sensor are uniformly distributed on the stressed surface of the seat, and a trigger signal is generated when the seat is stressed by external pressure. The pressure sensor can sense whether a person is in the seat or not, detect whether the safety belt is fastened or not if the person is in the seat, and give out a prompt sound if the safety belt is not fastened, and other automobile safety driving systems. Therefore, the accuracy of the pressure sensor of the car seat is very important for the safe driving of the car, and a calibration device which is convenient to calibrate the pressure sensor of the car seat needs to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a pressure sensor calibrating device of car seat.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a pressure sensor calibrating device of car seat, includes portable base, elevating platform, the force sensor of calibration usefulness, fixed mounting has two bilateral symmetry's stand on the portable base, the elevating platform moves from top to bottom along the stand through the drive of two sets of rack and pinion actuating mechanisms, and the top fixed mounting of two stands has manual pushing down the mechanism, the force sensor mounting base that the drive of manual pushing down the mechanism reciprocated is installed to the bottom of manual pushing down the mechanism, force sensor installs on force sensor mounting base.
And further, the calibration device also comprises a standard weight, and before the tension sensor calibrates the pressure sensor of the automobile seat, the standard weight is hung at the bottom of the tension sensor to measure the tension sensor.
Furthermore, a set of linear guide rail is fixedly arranged at the front end and the rear end of each upright post, and a sliding block of each linear guide rail is mechanically connected with the lifting platform.
Furthermore, each set of gear and rack driving mechanism comprises a rack fixedly installed at the front end of the upright post, a servo motor installed on the lifting platform and a driving gear connected to a power output shaft of the servo motor in a key mode, and the driving gear is meshed with the rack.
Furthermore, the manual pressing mechanism comprises a gear box, a round rod, a hand wheel, a pinion, a gearwheel, a worm wheel, a horizontal turntable with an internal screw hole and a screw rod which are fixedly arranged at the top ends of the two upright posts, the middle part of the round rod is arranged on the first shaft supporting seat at the front part of the gear box, the hand wheel key is connected with the head part of the round rod, the pinion is connected with the tail part of the round rod in a key way, the worm is rotationally arranged on a second shaft supporting seat in the gear box, the big gear wheel is connected with the head of the worm, the small gear wheel is meshed with the big gear wheel, the horizontal turntable is rotatably arranged in the center of the gear box, the worm wheel is mechanically connected with the horizontal turntable through a bolt, the worm wheel is meshed with the worm, the screw rod is in threaded connection with an inner threaded hole in the center of the horizontal turntable, and the tension sensor mounting base is fixedly mounted at the bottom of the screw rod.
Furthermore, the movable base comprises two longitudinal square pipes, two transverse first I-shaped steels and four universal wheels with brakes, two ends of the two first I-shaped steels are fixedly connected with the top ends of the two square pipes respectively, two upright posts are clamped between the two first I-shaped steels, and each universal wheel is mounted at the bottom of each of the two ends of each square pipe.
Furthermore, the lifting platform comprises a rectangular bedplate and two transverse second I-shaped steels, the two second I-shaped steels are fixedly connected with the front part and the rear part of the bottom end of the bedplate respectively, and the middle parts of the left side and the right side of the bedplate are respectively provided with a U-shaped groove for accommodating the stand column.
The utility model has the advantages that: this calibrating device realizes supporting, exerting pressure to car seat's pressure sensor to extrude each other through force sensor and car seat's pressure sensor, utilize the interact of power, compare force sensor and car seat's pressure sensor's pressure value and can learn car seat's pressure sensor's accuracy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an axial view of an alignment device in an embodiment of the invention;
fig. 2 is a front view of an alignment device in an embodiment of the invention;
fig. 3 is a side view of an alignment device in an embodiment of the invention;
fig. 4 is a top view of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a pressure sensor calibration device for an automobile seat comprises a movable base 1, an elevating platform 2 and a tension sensor 7 for calibration, wherein two columns 3 which are bilaterally symmetrical are fixedly mounted on the movable base 1, the elevating platform 2 is driven by two sets of gear rack driving mechanisms 5 to move up and down along the columns 3, manual pressing mechanisms 6 are fixedly mounted at the top ends of the two columns 3, a tension sensor mounting base 63 driven by the manual pressing mechanisms 6 to move up and down is mounted at the bottom of the manual pressing mechanisms 6, and the tension sensor 7 is mounted on the tension sensor mounting base 63.
The calibration device further comprises a standard weight 8, and before the tension sensor 7 calibrates the pressure sensor of the automobile seat, the standard weight 8 is hung at the bottom of the tension sensor 7 to measure the tension sensor 7 so as to ensure the accuracy of the tension sensor.
The front end and the rear end of each upright post 3 are respectively and fixedly provided with a set of linear guide rail 4, and the sliding block 41 of each linear guide rail 4 is mechanically connected with the lifting platform 2.
Each set of gear-rack driving mechanism 5 comprises a rack 53 fixedly arranged at the front end of the upright post, a servo motor 51 arranged on the lifting platform and a driving gear 52 connected with a power output shaft of the servo motor 51 in a key mode, and the driving gear 52 is meshed with the rack 53.
The manual pressing mechanism 6 comprises gear boxes fixedly mounted at the top ends of the two stand columns, round rods, a hand wheel 61, a pinion, a gearwheel, a worm, a turbine, a horizontal turntable with inner screw holes, a screw rod 62, the middle of each round rod is mounted on a first shaft supporting seat at the front part of each gear box, the hand wheel 61 is connected with the head of each round rod in a key mode, the pinion is connected with the tail of each round rod in a key mode, the worm is rotatably mounted on a second shaft supporting seat in the gear box, the gearwheel is connected with the head of the worm in a key mode, the pinion is meshed with the gearwheel, the horizontal turntable is rotatably mounted at the center of the gear box, the turbine is mechanically connected with the horizontal turntable through bolts, the turbine is meshed with the worm, the screw rod 62 is.
The movable base 1 comprises two longitudinal square pipes 11, two transverse first I-shaped steels 12 and four universal wheels 13 with brakes, two ends of each first I-shaped steel 12 are fixedly connected with the top ends of the two square pipes 11 respectively, the two upright posts 3 are clamped between the two first I-shaped steels 12, and the bottom of each square pipe 11 is provided with one universal wheel 13.
The lifting platform 2 comprises a rectangular bedplate 21 and two transverse second I-shaped steels 22, the two second I-shaped steels 22 are fixedly connected with the front part and the rear part of the bottom end of the bedplate 21 respectively, and the middle parts of the left side and the right side of the bedplate 21 are provided with a U-shaped groove for accommodating the upright post 3 respectively.
The working principle is as follows: the method comprises the steps that a pressure sensor of the automobile seat is placed on a lifting platform, the pressure sensor and a tension sensor of the automobile seat are respectively connected with a digital display instrument for displaying pressure values, a rack and pinion driving mechanism is used for driving the lifting platform to ascend until the pressure sensor and the tension sensor of the automobile seat are mutually extruded, the pressure values of the pressure sensor and the tension sensor of the automobile seat are respectively obtained, if the difference between the two pressure values is within an error range, the pressure sensor of the automobile seat is qualified and does not need to be calibrated, if the difference between the two pressure values exceeds the error range, the pressure sensor of the automobile seat needs to be calibrated, and the pressure sensor of the automobile seat is placed on a calibrating device again for calibration after being calibrated until the difference between the two pressure values is; the manual pressing mechanism drives the tension sensor to press downwards, the interaction force between the pressure sensor and the tension sensor of the automobile seat is finely adjusted, and whether the difference of two changed pressure values is always within an error range is observed.
This calibrating device realizes supporting, exerting pressure to car seat's pressure sensor to extrude each other through force sensor and car seat's pressure sensor, utilize the interact of power, compare force sensor and car seat's pressure sensor's pressure value and can learn car seat's pressure sensor's accuracy.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. A pressure sensor calibrating device of car seat which characterized in that: the device comprises a movable base, a lifting table and a tension sensor for calibration, wherein two columns which are bilaterally symmetrical are fixedly mounted on the movable base, the lifting table is driven by two sets of gear rack driving mechanisms to move up and down along the columns, manual pressing mechanisms are fixedly mounted at the top ends of the two columns, a tension sensor mounting base which is driven by the manual pressing mechanisms to move up and down is mounted at the bottom of the manual pressing mechanisms, and the tension sensor is mounted on the tension sensor mounting base.
2. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: the calibration device is characterized by further comprising a standard weight, wherein the standard weight is hung at the bottom of the tension sensor to measure the tension sensor before the tension sensor calibrates the pressure sensor of the automobile seat.
3. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: the front end and the rear end of each upright post are respectively and fixedly provided with a set of linear guide rail, and the slide block of each linear guide rail is mechanically connected with the lifting platform.
4. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: each set of gear rack driving mechanism comprises a rack fixedly arranged at the front end of the upright post, a servo motor arranged on the lifting platform and a driving gear connected with a power output shaft of the servo motor in a key mode, and the driving gear is meshed with the rack.
5. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: manual mechanism of pushing down includes gear box, round bar, hand wheel, pinion, gear wheel, worm, turbine, the horizontal rotary table, the screw rod that have the internal screw hole of fixed mounting on two stand tops, the mid-mounting of round bar is on the anterior first axle supporting seat of gear box, the hand wheel key-type connection is at the head of round bar, the pinion key-type connection is at the afterbody of round bar, the worm rotates on the second axle supporting seat of installing in the gear box, the gear wheel key-type connection is at the head of worm, the pinion meshes with the gear wheel mutually, horizontal rotary table rotates the center of installing at the gear box, the turbine passes through bolt and horizontal rotary table mechanical connection, the turbine meshes with the worm mutually, the screw rod is spiro union with the internal screw hole at horizontal rotary table center mutually, force sensor mounting base fixed mounting is in the.
6. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: but movable base includes two fore-and-aft square pipes, two horizontal first I shaped steel, four universal wheels of area brake, the both ends of two first I shaped steel respectively with the top rigid coupling of two square pipes to two stands press from both sides between two first I shaped steel, every universal wheel is respectively installed to the bottom at square pipe both ends.
7. The pressure sensor calibration device for an automobile seat according to claim 1, characterized in that: the lifting platform comprises a rectangular bedplate and two transverse second I-shaped steels, the two second I-shaped steels are fixedly connected with the front part and the rear part of the bottom end of the bedplate respectively, and the middle parts of the left side and the right side of the bedplate are provided with a U-shaped groove for accommodating the stand column respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871046.5U CN211061112U (en) | 2019-11-01 | 2019-11-01 | Pressure sensor calibrating device of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871046.5U CN211061112U (en) | 2019-11-01 | 2019-11-01 | Pressure sensor calibrating device of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061112U true CN211061112U (en) | 2020-07-21 |
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ID=71588565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921871046.5U Active CN211061112U (en) | 2019-11-01 | 2019-11-01 | Pressure sensor calibrating device of automobile seat |
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| Country | Link |
|---|---|
| CN (1) | CN211061112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804230A (en) * | 2021-06-24 | 2021-12-17 | 吉林大学 | Double-ring type multifunctional sensor calibration device |
| CN114754921A (en) * | 2021-01-08 | 2022-07-15 | 广州汽车集团股份有限公司 | Force sensor checking device and force sensor checking method |
-
2019
- 2019-11-01 CN CN201921871046.5U patent/CN211061112U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754921A (en) * | 2021-01-08 | 2022-07-15 | 广州汽车集团股份有限公司 | Force sensor checking device and force sensor checking method |
| CN114754921B (en) * | 2021-01-08 | 2023-11-17 | 广州汽车集团股份有限公司 | Force sensor checking device and force sensor checking method |
| CN113804230A (en) * | 2021-06-24 | 2021-12-17 | 吉林大学 | Double-ring type multifunctional sensor calibration device |
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