CN213147912U - Automatic calibration test fixture - Google Patents

Abstract

The utility model provides an automatic calibration test fixture, include: the device comprises a clamp box body, a light source module, a product pressing module, a black and gray card testing module and a bearing module; the front part of the bottom wall of the top plate of the clamp box body is provided with a light source module; a product pressing module is arranged at the middle lower part of the front panel of the fixture box body; the middle rear part of the top wall of the bottom plate of the fixture box body is provided with a black and gray card testing module, and the middle part of the top wall of the bottom plate of the fixture box body is provided with a bearing module. Automatic calibration test fixture's beneficial effect lies in, only needs one just can accomplish distance sensor and optical line sensors's calibration and test, has reduced the conversion operation and the latency of product between different anchor clamps, has improved efficiency of software testing to the quantity and the cost that have reduced test fixture drop into.

Description

Automatic calibration test fixture

Technical Field

The utility model relates to a motor and pneumatic tool technical field that combines, in particular to sensor automatic calibration test fixture.

Background

At present, mobile phones are more and more intelligent, functions are more and more, and various sensors (a distance sensor-P sensor, a light sensor-L sensor and the like) are installed on the mobile phones for better experience of customer groups.

The distance sensor (P sensor) can be applied to two aspects on the mobile phone, firstly, when the mobile phone is in a call, the screen of the mobile phone can be automatically turned off when the mobile phone approaches the head, so that the misoperation of ears or faces on the touch screen can be prevented, the power can be saved when the screen is turned off in the call, and the screen can be automatically turned on when the mobile phone is taken away from the ears; and secondly, the phenomenon that the screen of the mobile phone in a pocket or a bag is lightened to cause misoperation is prevented, and the distance sensor senses that an object is in a close range and informs the mobile phone to automatically close the screen.

The light sensor (L sensor) can automatically adjust the brightness of the mobile phone screen according to the intensity of the surrounding light. In a sunny outdoor environment, the brightness of the screen can be automatically increased to help people see the screen clearly under strong light; at dim night, the screen brightness can be automatically reduced, the stimulation of light to eyes is reduced, and meanwhile, electricity can be saved. The light sensor is used for sensing the intensity of ambient light so as to realize the automatic adjustment of the brightness of the screen of the mobile phone.

In order to detect whether the two sensors can achieve the effect, the related simulation test needs to be performed to confirm after the mobile phone is assembled.

The existing detection distance sensor ((P sensor) and the existing light sensor) need 2 types of independent calibration clamps and independent test clamps, the test efficiency is not high, and the labor cost and the clamp input cost are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an automatic calibration test fixture is provided can reduce the test degree of difficulty, changes subjective impression into objective data, can be better carry out cell-phone camera research and development work.

In order to solve the technical problem, the utility model provides an automatic calibration test fixture, include: the device comprises a clamp box body, a light source module, a product pressing module, a black and gray card testing module and a bearing module; the front part of the bottom wall of the top plate of the clamp box body is provided with a light source module; a product pressing module is arranged at the middle lower part of the front panel of the fixture box body; the middle rear part of the top wall of the bottom plate of the fixture box body is provided with a black and gray card testing module, and the middle part of the top wall of the bottom plate of the fixture box body is provided with a bearing module.

Automatic calibration test fixture's beneficial effect lies in, only needs one just can accomplish distance sensor and optical line sensors's calibration and test, has reduced the conversion operation and the latency of product between different anchor clamps, has improved efficiency of software testing to reduce test fixture's quantity and cost input, only need change the support plate subassembly when changing different models.

Preferably, the fixture box body consists of a box body bottom plate, a box body left side plate, a maintenance door, a box body right side plate, a box body front panel, a box body back plate and a box body top plate; the front space part of the box body is provided with a functional module, and the rear space part of the box body is provided with a control component; the maintenance door is arranged on the left side plate of the box body through a hinge and buckled through a case buckle; the bottom of the front panel of the box body is provided with a rectangular open through groove for loading and unloading the carrier plate in the module; the front panel of the box body is also provided with a three-color indicator lamp, a starting switch and an emergency stop switch; two handles are arranged at the front upper part and the rear upper part of the box body and are used for carrying the clamp.

Preferably, the light source module is a height-adjustable mechanism and consists of a light source fixing support frame, a belt, a screw rod, a T-shaped linear bearing, a light source, a fixing pressing block, a hand wheel, a synchronizing wheel and a light source fixing bottom plate; controlling the height of the light source through a hand wheel when debugging the parameters of the light source; and during calibration test, sending an instruction to the light source controller to adjust the corresponding light source illumination and color temperature.

Preferably, the black and gray card testing module consists of a fixing frame, a scale, a fixing block, a bearing, a screw rod, a linear bearing guide rod, a double-rod guide cylinder, a rodless cylinder, a black and gray card module, a Z-direction movable assembly, a synchronizing wheel, a belt, a motor assembly, a fixing adjusting plate, a black and gray card fixing base plate, a black card, a gray card, a cylinder fixing plate, an indicating block, a linear bearing and a T-shaped nut; the motor is used for controlling the lifting of the black and gray card; the rodless cylinder is used for controlling the switching of the black and gray cards; the double-rod guide cylinder is used for controlling the pushing-out and the returning of the black and gray card; the graduated scale and the indication block are matched to check the lifting size of the black and gray card.

Preferably, the bearing module consists of a testing USB module, a carrier plate component, a supporting plate component, a bottom plate component, a pen-shaped cylinder, a base linear bearing, a carrier plate, an adjusting block and a box door; the pen-shaped cylinder controls the in and out of the carrier plate door and is used for taking and placing products; the testing USB module is an X-direction adjustable mechanism and a Y-direction adjustable mechanism and is used for fine adjustment of the misalignment of the USB.

Preferably, the control component is installed in the rear space part of the box body.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of the whole structure of the automatic calibration test fixture of the present invention;

FIG. 2 is a block diagram of the automatic calibration test fixture of the present invention;

fig. 3 is a diagram illustrating a structure of the automatic calibration test fixture for adjusting the height of the light source according to the present invention;

FIG. 4 is a diagram of a product hold-down module of the automatic calibration test fixture of the present invention;

fig. 5 is a diagram of the test module of the automatic calibration test fixture of the present invention;

fig. 6 is another schematic diagram of the test module of the automatic calibration test fixture according to the present invention;

FIG. 7 is a diagram of the Z-direction movable assembly of the self-aligning test fixture according to the present invention;

fig. 8 is a black and gray module diagram of the automatic calibration test fixture according to the present invention;

fig. 9 is a lead screw diagram of the automatic calibration test fixture of the present invention;

FIG. 10 is a diagram of a self-aligning test fixture carrier assembly according to the present invention;

figure 11 the utility model discloses an automatic calibration test fixture test USB module picture.

The various reference numbers in the figures:

in the figure: 1, a clamp box body; 11, a box body bottom plate; 12, a left side plate of the box body; 13, maintaining the door; 14, a right side plate of the box body; 15, a front panel of the box body; 16, a box back plate 17 and a box top plate.

2, a light source module; 21, a light source fixing support frame; 22, a belt; 23, a screw rod; 24, T-shaped linear bearing; 25: a light source; 26, fixing a compaction block; 27, a hand wheel 28, a synchronizing wheel; 29, fixing the light source on the bottom plate.

3, a product pressing module; 31, a cylinder fixing frame; 32, a double-rod cylinder; 33, a high-strength rubber block.

4, testing the black and gray card module; 41, a fixed frame; 42, a graduated scale; 43, a fixed block; 44, a bearing; 45, a screw rod; 46, linear bearing guide rod; 47, a double-rod guide cylinder; 48, a rodless cylinder; 49, black and gray card module; a Z-direction movable component 410; 411, a synchronizing wheel; 412, a belt; 413, a motor component; 49a, fixing the adjusting plate; 49b, fixing the substrate by using the black gray card; 49c, black card; 49d, ash card; 410a, a cylinder fixing plate; 410b, indicating a block; 410c, linear bearings; 410d T-shaped nut.

5, carrying the module; 51, testing the USB module; 52, a carrier plate assembly; 53, a pallet assembly; 54: a base plate assembly; 55, a pen-shaped air cylinder; 56, a base linear bearing; 57, carrier plate 58: the adjusting block 59 is a box body door; 51a USB sliding table cylinder; 51b, a USB regulating block 1; 51c USB regulating block 251 d USB test head.

Detailed Description

The first embodiment,

As shown in FIG. 1, distance sensor and optical line sensors automatic calibration test fixture include anchor clamps box, light source module, and the product compresses tightly module, black grey card test module, bears the module.

As shown in fig. 2, the anchor clamps box is by the box bottom plate, box left side board, the maintenance door, box right side board, the box front panel, the box backplate, the box roof is constituteed, functional module is mainly installed to the space portion before the box, relevant control components such as back space portion installation control panel, the maintenance door is installed on box left side board through hundred hinges, and detain the lock through case and bag, box front panel bottom is equipped with a rectangle opening and leads to the groove, be convenient for bear the business turn over of support plate in the module, still install the three-colour pilot lamp on the box front panel, starting switch and emergency stop switch, the front and back upper portion of box is equipped with two handles, the transport of the anchor clamps of being convenient for.

As shown in fig. 3, a light source module is installed at the front part of the bottom wall of the top plate of the box body, the module is a height-adjustable mechanism and comprises a light source fixing support frame, a belt, a screw rod, a T-shaped linear bearing, a light source, a fixing pressing block, a hand wheel, a synchronizing wheel and a light source fixing bottom plate, the hand wheel can be shaken to control the height of the light source when light source parameters are debugged in the early period, and the mobile phone light sensor L sensor can send instructions to a light source controller through software to adjust the corresponding light source illumination and color temperature during calibration test.

As shown in figure 4, the lower part is installed with the product and is compressed tightly the module in the front panel of box, and this module comprises cylinder mount, two pole cylinders, dominant force glue block, wherein installs the inductor that targets in place on the two pole cylinders.

As shown in fig. 5-9, the rear middle portion of the top wall of the bottom plate of the box body is provided with a black and gray card testing module, which comprises a fixed frame, a graduated scale, a fixed block, a bearing, a screw rod, a linear bearing guide rod, a double-rod guide cylinder, a rodless cylinder, a black and gray card module, a Z-direction movable assembly, a synchronizing wheel, a belt, a motor assembly, a fixed adjusting plate, a black and gray card fixed base plate, a black card, a gray card, a cylinder fixed plate, an indicating block, a linear bearing and a T-shaped nut, wherein the motor is used for controlling the lifting of the black and gray card during testing, the rodless cylinder is used for controlling the switching of the black and gray card, the double-rod guide cylinder is used for controlling the pushing and returning of the black and gray card, and the.

As shown in fig. 10-11, the middle of the top wall of the bottom plate of the case is further provided with a bearing module, which is composed of a testing USB module, a carrier plate assembly, a bottom plate assembly, a pen-shaped cylinder, a base linear bearing, a carrier plate, an adjusting block and a case door, wherein the pen-shaped cylinder controls the entrance and exit of the carrier plate door, so that the mobile phone can be conveniently taken and placed, and the testing USB module is an adjustable mechanism in the X and Y directions, so that the alignment of the USB can be.

The space part at the rear part of the box body is provided with a control panel and other related control components.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-9, an automatic calibration test fixture for a distance sensor and a light sensor comprises a fixture box body 1, a light source module 2, a product compression module 3, a black and gray card test module 4 and a bearing module 5.

As shown in fig. 1, the light source module 2 is fixed in front of the bottom wall of the box top plate 17 of the fixture box 1 through the light source fixing support frame 21, the lower surface of the cylinder fixing frame 31 is attached to the box front panel 15 in the fixture box 1, the product pressing module 3 is fixed in the middle lower part of the box front panel 15 through screw fixation, the bottom wall of the fixing frame 41 is attached to the top wall of the box bottom plate 11, the black and gray card testing module 4 is fixed in the middle rear part of the box bottom plate 11 through screw fixation, the bottom plate component bottom wall of the bearing module 5 is attached to the top wall of the box bottom plate, the bottom plate component bottom wall is fixed in the middle of the box bottom plate through screw fastening, and the space.

As shown in fig. 2, the fixture box 1 is composed of a box bottom plate 11, a box left side plate 12, a maintenance door 13, a box right side plate 14, a box front panel 15, a box back plate 16, a box top plate 17, functional modules are mainly installed in the front space portion of the box, control panels and other related control components are installed in the rear space portion, the maintenance door 13 is installed on the box left side plate 12 through a hinge, and is buckled through a box, a rectangular opening through groove is formed in the bottom of the box front panel 15, the loading and unloading of a carrier plate in the module are convenient to bear, a three-color indicator lamp is further installed on the box front panel 13, a starting switch and an emergency stop switch are arranged on the front and rear upper portions of the box, and the.

As shown in fig. 3, the light source module 2 is a height adjustable mechanism, the light source 25 is disposed on the lower surface of the light source fixing base plate 29, and the upper and lower sides of the light source fixing base plate 29 are respectively provided with 2 fixing pressing blocks 26 for fixing the light source 25, four corners of the light source fixing base plate 29 are respectively provided with a T-shaped linear bearing 24, the middle positions of two ends of the light source fixing base plate 29 are respectively provided with a threaded hole, four guide rods on the light source fixing support frame 21 are matched with the four T-shaped linear bearings 24 on the light source fixing plate 29 to enable the light source 25 to be adjusted in the vertical up-down direction, the middle portions of the left and right support frames are respectively provided with a screw rod 23, screw threads of the screw rods are matched with the threaded holes arranged in the middle portions of two ends of the light source fixing base plate 29, the optical axes at two ends of, the upper parts of the two screw rods are respectively provided with a synchronizing wheel 28, and when the hand wheel 27 is shaken, the left synchronizing wheel and the right synchronizing wheel are connected through the belt 22, so that the left screw rod and the right screw rod can simultaneously rotate to ensure that the light source can be vertically adjusted in a balanced manner.

If fig. 4, the product compresses tightly module 3 main act and inserts the product USB mouth for compressing tightly the product before USB inserts the test and be convenient for the USB head smoothly, this module is by cylinder mount 31, two pole cylinders 32 and excellent power rubber block 33 are constituteed, two pole cylinder lower surfaces and the laminating of the upper surface of cylinder fixed bolster, it is fixed through screw fit, in order to avoid compressing tightly the product in-process and crushing or scraping colored product, the upper surface mounting of two pole cylinders ejector pad has excellent power rubber block 33, still install 2 inductors that target in place on the cylinder, be convenient for look over whether the cylinder moves and targets in place.

As shown in fig. 5, 6, 7, 8, 9, a black and gray card testing module, two fixing blocks 43 are installed on the vertical plate in the middle of a fixing frame 41, a scale 42 is further installed on the left side of the vertical plate, a bearing 44 is installed in the middle of the fixing block 43, two linear bearing guide rods 46 are vertically arranged between the upper fixing block and the lower fixing block, two ends of each linear bearing guide rod are respectively matched and fixed with limiting holes on the upper fixing block and the lower fixing block, a screw rod 45 is further installed between the upper fixing block and the lower fixing block 43, an optical axis at the upper end of the screw rod 45 is matched with the bearing on the upper fixing block, a long optical axis at the lower end of the screw rod 45 is matched with the bearing on the lower fixing block, the optical axis protrudes out of the surface of the lower fixing block and is locked and fixed with a synchronizing wheel 411 by a screw, a motor assembly 413 is arranged on the lower portion of the back The bearing guide rod 46 is matched, and the T-shaped nut on the Z-direction movable assembly is matched with the screw rod 45, so that the Z-direction movable assembly 410 can smoothly run in the vertical direction, wherein two sides of the rear part of the top wall of the cylinder fixing plate 410a in the Z-direction movable assembly 410 are symmetrically provided with a linear bearing 410c mounting through hole respectively, the size of the hole is determined according to the size of the linear bearing 410c, a T-shaped nut round head through hole is also arranged between the two linear bearing mounting through holes, the edge of the through hole is provided with 4 threaded holes, the left rear side wall is provided with two threaded holes for fixing the indicating block 410b, the indicating block is matched with a graduated scale during testing to visually check the specific size of the lifting of the black ash card, the position of the bottom wall of the cylinder fixing plate, which corresponds to the T-shaped nut round head through hole on the bottom wall, a countersunk groove is arranged, the size, four screw holes of rectangular distribution are still gone back to the front portion of cylinder fixed plate roof for fixed double-pole direction cylinder 47, it is concrete, the laminating of last top wall of lower diapire and cylinder fixed plate 410a of double-pole direction cylinder, it is fixed with a rodless cylinder 48 with the mode of screw fastening on the push pedal of double-pole direction cylinder, all install the inductor that targets in place on double-pole direction cylinder 47 and the rodless cylinder 48, install black grey card module 49 on rodless cylinder 48's the slip table, black grey card module 49 is by black grey card fixed baseplate 49b, fixed regulating plate 49a, black card 49c, grey card 49d is constituteed, wherein fixed regulating plate 49a diapire upper portion is equipped with four U type screw via hole heavy grooves, make things convenient for black grey card module 49 to adjust from top to bottom.

Referring to fig. 10 and 11, the carrier module 5 is a drawer-type structure, the upper surface of the bottom plate 54 is provided with a support plate 53, and two sides of the front portion of the upper surface of the bottom plate 54 are respectively provided with two base linear bearings 56 cooperatively connected with the support plate 53, the top wall of the support plate 53 is provided with a carrier plate 52, wherein the carrier plate 52 comprises a carrier plate 57 and a limiting block 58, and the carrier plate and the support plate are attracted by positioning magnets with positioning columns, so as to facilitate the replacement of carrier plate modules of different models, the middle portion of the top wall of the bottom plate is provided with a pen-shaped cylinder 55, the telescopic end of the pen-shaped cylinder 55 is fixedly connected with the middle portion of the bottom wall of the support plate 53, the front and rear ends of the pen-shaped cylinder are provided with in-place sensors, the bottom wall of the front end of the support plate 53 is further provided with a test USB module 51, the test USB module 51 is composed of a sliding table, the USB adjusting block 151 b is T-shaped, a Z-direction U-shaped groove is formed in the upper portion of the vertical direction, and an X-direction U-shaped groove is formed in the bottom of the vertical direction, so that the USB testing head can be conveniently adjusted to a position suitable for product testing in the X direction and the Z direction.

Example II,

The utility model provides an automatic calibration test method, including following step:

s101, putting the tested mobile phone and the carrier plate, and pressing a double-start switch;

s102, pulling the support plate into the clamp by the pen-shaped air cylinder, and sensing the support plate in place by the sensor;

s103, pressing down and fixing the product by a product pressing cylinder, and sensing by a sensor in place;

s104, testing a cylinder in the USB module to insert a USB into a USB port of the mobile phone, and sensing the USB in place by a sensor;

s105, lifting the product pressing cylinder, and sensing by the sensor in place;

s106, controlling a motor to drive the black and gray card module to a calibration or test position according to a tool command required by calibration and test;

s107, controlling a rodless cylinder to select a black card or a gray card by a tool instruction, and then pushing out the black and gray card module by a double-rod cylinder to enable the gray card or the black card to shield the distance sensor;

s108, the black and gray card module is reset after the test is finished, so that the upper part of the mobile phone light sensor is not blocked;

s109, adjusting the lamp source parameters by the tool to calibrate and test the light sensor;

and S110, completing the test, wherein the cylinder in the USB module is tested to withdraw the USB, the sensor senses the USB in place, the pen-shaped cylinder pushes out the carrier plate, and the mobile phone is taken out.

The beneficial effects of automatic calibration test method lie in that, only need one just can accomplish distance sensor and optical line sensors' calibration and test, reduced the conversion operation and the latency of product between different anchor clamps, improved efficiency of software testing to the quantity and the cost that have reduced test fixture drop into.

The utility model discloses use distance and the light sensor of calibration test cell-phone to explain as the example, but not limited to the cell-phone, can be for containing various electronic product of distance and light sensor.

Example III,

Embodiments of the present invention provide a storage medium containing computer-executable instructions for performing the method of embodiment two when executed by a computer processor.

The computer storage media of embodiments of the present invention may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. Each functional unit in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The present invention is not limited to the embodiments discussed above. The foregoing description of the specific embodiments is intended to illustrate and describe the technical solutions of the present invention. Obvious modifications or alternatives based on the teachings of the invention should also be considered to fall within the scope of the invention. The above detailed description is provided to disclose the best mode of carrying out the invention, so that those skilled in the art can apply the invention in its various embodiments and in its various alternative ways to achieve the objects of the invention.

Claims (6)

1. An auto-calibrating test fixture, comprising:

the device comprises a clamp box body, a light source module, a product pressing module, a black and gray card testing module and a bearing module;

the front part of the bottom wall of the top plate of the clamp box body is provided with a light source module;

a product pressing module is arranged at the middle lower part of the front panel of the fixture box body;

the middle rear part of the top wall of the bottom plate of the clamp box body is provided with a black and gray card testing module;

the middle part of the top wall of the bottom plate of the clamp box body is provided with a bearing module.

2. The self-calibrating test fixture of claim 1,

the clamp box body consists of a box body bottom plate, a box body left side plate, a maintenance door, a box body right side plate, a box body front panel, a box body back plate and a box body top plate;

the front space part of the box body is provided with a functional module, and the rear space part of the box body is provided with a control component;

the maintenance door is arranged on the left side plate of the box body through a hinge and buckled through a case buckle;

the bottom of the front panel of the box body is provided with a rectangular open through groove for loading and unloading the carrier plate in the module;

the front panel of the box body is also provided with a three-color indicator lamp, a starting switch and an emergency stop switch;

two handles are arranged at the front upper part and the rear upper part of the box body and are used for carrying the clamp.

3. The self-calibrating test fixture of claim 1,

the light source module is a height-adjustable mechanism and consists of a light source fixing support frame, a belt, a screw rod, a T-shaped linear bearing, a light source, a fixing pressing block, a hand wheel, a synchronous wheel and a light source fixing bottom plate;

controlling the height of the light source through a hand wheel when debugging the parameters of the light source;

and during calibration test, sending an instruction to the light source controller to adjust the corresponding light source illumination and color temperature.

4. The self-calibrating test fixture of claim 1,

the black and gray card testing module consists of a fixing frame, a graduated scale, a fixing block, a bearing, a screw rod, a linear bearing guide rod, a double-rod guide cylinder, a rodless cylinder, a black and gray card module, a Z-direction movable assembly, a synchronizing wheel, a belt, a motor assembly, a fixing adjusting plate, a black and gray card fixing substrate, a black card, a gray card, a cylinder fixing plate, an indicating block, a linear bearing and a T-shaped nut;

the motor is used for controlling the lifting of the black and gray card;

the rodless cylinder is used for controlling the switching of the black and gray cards;

the double-rod guide cylinder is used for controlling the pushing-out and the returning of the black and gray card;

the graduated scale and the indication block are matched to check the lifting size of the black and gray card.

5. The self-calibrating test fixture of claim 1,

the bearing module consists of a testing USB module, a carrier plate component, a supporting plate component, a bottom plate component, a pen-shaped air cylinder, a base linear bearing, a carrier plate, an adjusting block and a box door;

the pen-shaped cylinder controls the in and out of the carrier plate door and is used for taking and placing products;

the testing USB module is an X-direction adjustable mechanism and a Y-direction adjustable mechanism and is used for fine adjustment of the misalignment of the USB.

6. The self-calibrating test fixture of claim 1,

and a control component is arranged in the rear space part of the box body.

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