CN216696666U

CN216696666U - TOF sensor module test structure

Info

Publication number: CN216696666U
Application number: CN202122928178.0U
Authority: CN
Inventors: 罗杰; 李典侑; 岑策锋; 彭军
Original assignee: Shanghai Canrui Technology Co ltd; Zhejiang Hengtuo Electronic Technology Co ltd
Current assignee: Shanghai Canrui Technology Co ltd; Zhejiang Hengtuo Electronic Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-07
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a TOF sensor module testing structure, which comprises a test bench, a calibration point measuring mechanism and an environment simulation mechanism, wherein the calibration point measuring mechanism consists of a placing table, distance calibration lines, calibration grooves, calibration rods and a calibration plate, the placing table is arranged at one end of the test bench, the calibration point measuring mechanism is arranged at the test bench, the TOF sensor module can be placed at the placing table after being installed at a testing instrument, the calibration rods below the calibration plates are downwards embedded into the calibration grooves, then the TOF sensor module at the placing table can be collected after being electrified to operate, the distance information of the calibration plates can be collected, meanwhile, the calibration grooves at multiple points on the surface of the test bench can adjust the distances between the calibration plates and the placing table for multiple times, so that data with different distances can be collected during the TOF sensor module testing, the collected data can be compared with the distance calibration line distance calibration lines after being displayed at the testing instrument, therefore, the marking point measurement of the TOF sensor module is better carried out.

Description

TOF sensor module test structure

Technical Field

The utility model relates to the technical field of TOF sensor module detection, in particular to a TOF sensor module testing structure.

Background

TOF is the abbreviation of time-of-flight technology, i.e. the sensor sends out the near infrared light modulated, meet the object and reflect, the sensor converts the distance of the scenery shot by calculating the time difference or phase difference of light transmission and reflection, in order to produce the depth information, in addition combine traditional camera shooting, can represent the three-dimensional outline of the object in the form of different colors representing the topographic map of different distances, TOF ranging method belongs to two-way ranging technology, it mainly utilizes the time of flight that the signal comes and goes between two asynchronous transceivers to measure the distance between the nodes. The TOF ranging technology is a time difference of flight ranging method, and the traditional ranging technology is divided into a two-way ranging technology and a one-way ranging technology.

Patent No. CN202011551481.7 discloses a test structure, a ToF device, and a method for detecting lens contamination of the ToF device, which can improve the accuracy of images photographed by the ToF module. The test structure is used for being arranged in the light emitting direction of the ToF module so as to detect the lens contamination condition of the transparent cover plate surface of the ToF module, the test structure comprises two sub-pieces, the sub-pieces are provided with reflecting surfaces, the reflecting surfaces of the two sub-pieces are sequentially arranged along the same axis, and the reflecting surfaces of the two sub-pieces at least have partially non-overlapped areas.

1. The TOF sensor module of prior art can install this kind of sensor in test instrument department circular telegram operation when the test, places the collection test of gathering the distance on the testboard surface after this kind of sensor circular telegram operation, and this kind of sensor testboard department lacks simple effectual punctuation measuring mechanism, can not be convenient carry out the punctuation collection measurement of distance, for this reason, we provide a TOF sensor module test structure.

2. The TOF sensor module of prior art can install this kind of sensor in test instrument department circular telegram operation when the test, places the collection test of gathering the distance on the testboard surface after this kind of sensor circular telegram operation, and this kind of sensor testboard department lacks better environmental simulation mechanism, TOF sensor module's test condition when can not simulate rainwater weather, for this, we propose a TOF sensor module test structure.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a TOF sensor module testing structure which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a TOF sensor module test structure, includes the testboard, still includes punctuation measuring mechanism and environmental simulation mechanism, punctuation measuring mechanism comprises placing platform, distance marking, calibration groove, calibration pole and calibration board, the one end of testboard is provided with places the platform, and places the testboard surface portrayal of platform one side and have the distance marking, the calibration groove has been seted up to the distance point department of distance marking, and has inserted the calibration pole in the calibration groove, calibration pole top fixedly connected with calibration board, the surface and the outside of testboard are provided with environmental simulation mechanism, and environmental simulation mechanism comprises enclosing platform, support frame, water tank, water inlet and drainage box.

Further, the outside of testboard is enclosed and is had the platform of enclosing, and encloses the testboard skin weld between the platform and have the support frame, the fixed surface of support frame is connected with the water tank, and the top of water tank has seted up the water inlet, the bottom intercommunication of water tank is connected with water drainage box, and water drainage box's bottom has seted up the small opening.

Furthermore, the calibration grooves are sequentially arranged along the center line of the table body at the position of the distance marking line on the surface of the test table; and a plurality of groups of calibration grooves are arranged on one side of the surface of the test board at the distance marked line, and can be inserted into calibration rods at multiple points to change the measurement distance of the calibration board.

Further, the size of the rod body of the calibration rod is matched with the size of the groove body of the calibration groove; the calibration rod and the calibration groove with adaptive sizes can be well embedded.

Furthermore, the drain hole strip-shaped array at the bottom end of the drainage box is arranged at the bottom end of the drainage box; the strip-shaped array of the drain holes at the bottom end of the drainage box can simulate dense rainwater leakage.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the placing table and the distance marking of the marking measuring mechanism are arranged at the test table, the surface of the test table at the distance marking is provided with the calibration groove, the TOF sensor module can be placed at the placing table after being installed at the testing instrument, the calibration rod below the calibration plate is downwards embedded into the calibration groove, then the TOF sensor module at the placing table can be electrified to operate and then can acquire the distance information of the calibration plate, meanwhile, the calibration grooves at multiple points on the surface of the test table can adjust the distance between the calibration plate and the placing table for multiple times, so that the TOF sensor module can acquire data at different distances during testing, and the acquired data can be compared with the distance marking at the distance marking after being displayed at the testing instrument, thereby better performing the marking measurement of the TOF sensor module.

2. According to the utility model, the surrounding platform of the environment simulation mechanism is arranged on the outer side of the test platform, the support frame at the bottom end of the water tank is welded on the surface of the test platform, when the TOF sensor module is used for collecting the distance of a mark point, the calibration plate can be inserted and installed at the calibration groove below the water tank for measurement, then water is injected into the water tank from the water inlet hole, the water leaks from the leakage hole of the drainage box to simulate the rainy environment state, the flowing water can flow into the surrounding platform along the test platform for collection, and at the moment, the TOF sensor module and the measuring instrument at the place of the platform can be used for collecting and testing the information of the sensor in the rainy state.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a TOF sensor module testing structure according to the present invention.

Fig. 2 is an exploded view of an environmental simulation mechanism of a TOF sensor module test structure according to the utility model.

FIG. 3 is a schematic diagram of a bottom end leak hole structure of a TOF sensor module testing structure according to the present invention.

In the figure: 1. a test bench; 2. a punctuation measurement mechanism; 201. a placing table; 202. distance marking; 203. calibrating the groove; 204. a calibration rod; 205. calibrating the plate; 3. an environment simulation mechanism; 301. enclosing the platform; 302. a support frame; 303. a water tank; 304. a water inlet; 305. a drainage box.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a TOF sensor module testing structure includes a testing platform 1, and further includes a calibration point measuring mechanism 2 and an environment simulation mechanism 3, where the calibration point measuring mechanism 2 includes a placing platform 201, a distance marking 202, a calibration groove 203, a calibration rod 204 and a calibration plate 205, the placing platform 201 is disposed at one end of the testing platform 1, the distance marking 202 is carved on the surface of the testing platform 1 on one side of the placing platform 201, the calibration groove 203 is disposed at the distance point of the distance marking 202, the calibration rod 204 is inserted into the calibration groove 203, the calibration plate 205 is fixedly connected above the calibration rod 204, the environment simulation mechanisms 3 are disposed on the surface and the outer side of the testing platform 1, and the environment simulation mechanisms 3 are composed of a surrounding platform 301, a supporting frame 302, a water tank 303, a water inlet 304 and a drainage box 305.

Wherein, the outside of testboard 1 is enclosed and is had a platform 301, and encloses 1 skin weld of testboard between the platform 301 and have a support frame 302, the fixed surface of support frame 302 is connected with water tank 303, and water inlet 304 has been seted up on the top of water tank 303, the bottom intercommunication of water tank 303 is connected with drainage box 305, and drainage box 305's bottom has seted up the small opening.

The calibration grooves 203 are sequentially arranged along the center line of the table body at the distance marked line 202 on the surface of the test table 1; the calibration slots 203 arranged in a plurality of sets on the surface side of the test stand 1 at the distance marking 202 can be inserted into the calibration rod 204 at multiple points to change the measurement distance of the calibration plate 205.

The size of the calibration rod 204 is matched with the size of the calibration groove 203; the size-adapted calibration rod 204 and the calibration groove 203 can be well engaged.

Wherein, the drain hole strip array at the bottom end of the drain box 305 is arranged at the bottom end of the drain box 305; the strip array of weep holes at the bottom of the drain box 305 may simulate a dense rain leak.

It should be noted that, the utility model is a TOF sensor module testing structure, a placing table 201 and a distance marking 202 of a marking point measuring mechanism 2 are arranged at a testing table 1, and a calibration slot 203 is arranged on the surface of the testing table 1 at the distance marking 202, when the TOF sensor module is installed at a testing instrument and can be placed at the placing table 201, a calibration rod 204 below a calibration plate 205 is embedded into the calibration slot 203 downwards, then the TOF sensor module at the placing table 201 can acquire distance information of the calibration plate 205 after being electrified, meanwhile, the calibration slot 203 at multiple points on the surface of the testing table 1 can adjust the distance between the calibration plate 205 and the placing table 201 for multiple times, so that the TOF sensor module can acquire data of different distances during testing, and the acquired data can be compared with the marking distance at the distance marking 202 after being displayed at the testing instrument, thereby better performing marking point measurement of the TOF sensor module, be provided with the platform 301 that encloses of environmental simulation mechanism 3 in the outside of testboard 1, and the skin weld of testboard 1 has the support frame 302 of water tank 303 bottom, when the collection punctuation distance measurement of TOF sensor module is carried out on testboard 1 surface, can measure the calibration groove 203 department of installing calibration board 205 grafting in water tank 303 below, then pour into water into from inlet opening 304 to water tank 303, water leaks down from the small opening of drainage box 305 and imitates rainy day environmental condition, the flowing water can flow into and enclose and collect in the platform 301 along testboard 1, TOF sensor module and measuring instrument that place platform 201 department this moment can carry out the information acquisition test of sensor under the rainy day condition.

The utility model relates to a test structure of a TOF sensor module, which comprises a test board 1 and a test board; 2. a punctuation measurement mechanism; 201. a placing table; 202. distance marking; 203. calibrating the groove; 204. a calibration bar; 205. calibrating the plate; 3. an environment simulation mechanism; 301. enclosing the platform; 302. a support frame; 303. a water tank; 304. a water inlet; 305. the drain box, the components are all universal standard parts or components known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a TOF sensor module test structure, includes testboard (1), its characterized in that: the device is characterized by further comprising a calibration point measuring mechanism (2) and an environment simulation mechanism (3), wherein the calibration point measuring mechanism (2) is composed of a placing table (201), a distance marking (202), a calibration groove (203), a calibration rod (204) and a calibration plate (205), the placing table (201) is arranged at one end of the test table (1), and distance marking lines (202) are carved on the surface of the test bench (1) at one side of the placing bench (201), a calibration groove (203) is arranged at the distance point of the distance marking (202), a calibration rod (204) is inserted into the calibration groove (203), a calibration plate (205) is fixedly connected above the calibration rod (204), the surface and the outer side of the test bench (1) are provided with environment simulation mechanisms (3), and the environment simulation mechanism (3) is composed of a surrounding platform (301), a supporting frame (302), a water tank (303), a water inlet (304) and a drainage box (305).

2. The TOF sensor module test structure of claim 1, wherein: the outer side of the test bench (1) is surrounded by surrounding tables (301), a support frame (302) is welded on the surface of the test bench (1) between the surrounding tables (301), a water tank (303) is fixedly connected to the surface of the support frame (302), a water inlet (304) is formed in the top end of the water tank (303), a water discharging box (305) is connected to the bottom end of the water tank (303) in an intercommunicating manner, and a leakage hole is formed in the bottom end of the water discharging box (305).

3. The TOF sensor module test structure of claim 1, wherein: the calibration grooves (203) are sequentially arranged along the center line of the table body at the distance marked line (202) on the surface of the test table (1).

4. The TOF sensor module test structure of claim 1, wherein: the size of the calibration rod (204) is matched with the size of the calibration groove (203).

5. The TOF sensor module test structure of claim 1, wherein: the bottom end of the drainage box (305) is provided with a drain hole strip array at the bottom end of the drainage box (305).