CN214480934U

CN214480934U - Anti-overexposure structure of CIS linear array camera

Info

Publication number: CN214480934U
Application number: CN202120970090.2U
Authority: CN
Inventors: 罗颖; 阮晖雄; 谢艳; 贾宏宇
Original assignee: Chengdu Holdtecs Co ltd
Current assignee: Chengdu Holdtecs Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-10-22
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to a linear array camera technical field discloses a CIS linear array camera prevents structure of overexposing, including the box, be provided with micromatic setting on the box, the micromatic setting top is connected with the bracket that is located the box top, and micromatic setting is used for adjusting the bracket height, is provided with two light source subassemblies on the bracket, is provided with the support frame on the box, and the support frame top is provided with the linear array camera that is located the bracket top, and linear array camera is located in the middle of the two light source subassemblies, and linear array camera top center is provided with luminance sensor, is provided with the pilot lamp on the luminance sensor, the utility model has the advantages of can carry out accurate regulation, avoid adjusting the overexposure.

Description

Anti-overexposure structure of CIS linear array camera

Technical Field

The utility model relates to a linear array camera technical field, specific theory is a CIS linear array camera prevents structure of overexposing.

Background

The CIS linear array camera adopts a columnar self-focusing lens array (GRIN) to realize 1:1 imaging of an object and a photosensitive element, has no geometric distortion of an image field of a traditional optical lens, realizes high-quality restoration of the object, and has obvious advantages in imaging quality, so that the CIS linear array camera is relatively suitable for severe industrial production environments. The CIS linear array camera has the advantages that: the CIS linear array camera is structurally integrated, can form a close-range structure with the detected object, is compact in system and saves space; the integrated forming and the close range type do not need splicing, and the working procedures of adjustment and maintenance are reduced; the LED light source array can effectively control the power consumption of the equipment, has long service life and does not need preheating; supporting image output generated by a universal Camera Link interface; rich specifications, the optimal read width can be selected.

CIS linear array camera needs carry out illumination compensation through the light source camera lens when shooing the testee, for guaranteeing the exposure, need rationally adjust the relative position relation of light source camera lens and camera, when the light source camera lens damages the change, the luminance that new light source camera lens produced probably changes, this is the light source camera lens of needs readjustment and camera relative position, adjusts through artifical experience at present, adjusts improper easy production exposure's negative effect, finally influences imaging quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CIS linear array camera prevents structure of overexposing, the function of convenient discernment exposure degree when realizing adjusting has accurate regulation, avoids adjusting the excessive effect of back exposure.

The utility model discloses a following technical scheme realizes: the utility model provides a CIS linear array camera prevents structure of overexposing, includes the box, is provided with micromatic setting on the box, and the micromatic setting top is connected with the bracket that is located the box top, and micromatic setting is used for adjusting the bracket height, is provided with two light source subassemblies on the bracket, is provided with the support frame on the box, and the support frame top is provided with the linear array camera that is located the bracket top, and the linear array camera is located in the middle of two light source subassemblies, and linear array camera top center is provided with luminance sensor, is provided with the pilot lamp on the luminance sensor.

For better realization the utility model discloses, furtherly, micromatic setting is including connecting the support column in the bracket bottom, the opening that allows the support column to pass through is seted up at the box top, the fixed a plurality of stoppers that are provided with of opening department, a plurality of spacing grooves with the stopper one-to-one are seted up to the support column lateral wall, the stopper can be followed and is made relative sliding motion in the spacing groove that corresponds, the screw hole has been seted up in the support column, screw hole female connection has vertical lead screw, vertical lead screw bottom stretches out screw hole and swing joint has the primary shaft bearing that is located the box inner bottom, vertical lead screw hypomere is connected with actuating mechanism.

For better realization the utility model discloses, furtherly, actuating mechanism establishes the driven bevel gear on vertical lead screw including fixed cover, and driven bevel gear meshing is connected with drive bevel gear, and drive bevel gear is connected with the axis of rotation, and axis of rotation one end activity is stretched out the box lateral wall and is connected with first hand crank, and the box lateral wall be provided with axis of rotation complex ball bearing.

For better realization the utility model discloses, furtherly, the number of teeth of drive bevel gear is less than driven bevel gear's the number of teeth.

In order to better realize the utility model discloses, furtherly, the support frame includes a plurality of branches that set up on the box, and the branch top is provided with the loading board, and the linear array camera sets up on the loading board.

In order to better realize the utility model discloses, further, be provided with on the bracket and lead the slide rail, two light source subassembly slidable ground sets up on leading the slide rail, is provided with adjustment mechanism on the bracket, and adjustment mechanism is used for driving two light source subassemblies and is motion or motion dorsad in opposite directions.

In order to better realize the utility model discloses, furtherly, the light source subassembly includes that slidable ground sets up the slide of leading on leading the slide rail, leads the slide top and is provided with the light source camera lens.

In order to better realize the utility model discloses, furtherly, adjustment mechanism includes first horizontal lead screw and the horizontal lead screw of second through the coupling joint together, but first horizontal lead screw and the horizontal lead screw of second rotate in step, the screw thread opposite direction of first horizontal lead screw and the horizontal lead screw of second, the slide is led that first horizontal lead screw and the horizontal lead screw of second threaded connection correspond respectively.

For better realization the utility model discloses, furtherly, bracket one end is connected with the curb plate, and first horizontal lead screw one end activity runs through the curb plate and is connected with the second hand-cranking handle, and second horizontal lead screw one end swing joint has the second bearing seat, and the second bearing seat is located the bracket.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses the branch of academic or vocational study is through this micromatic setting adjustment bracket height to the relative position of light source subassembly on the adjustment bracket and linear array camera, linear array camera shoot regional luminance also change, through luminance sensor's real-time detection this moment, the current luminance condition of operator is reminded through the pilot lamp effect, thereby adjusts best luminance, has both prevented that luminance is too high and the exposure is excessive, has guaranteed sufficient luminance again.

(2) When the fine adjustment device is operated, the support column can slide up and down by manually rotating the first hand crank, so that the fine adjustment device is convenient and quick to operate, low in cost and easy to realize.

(3) The utility model discloses still can adjust two intervals between the light source camera lens and the camera subassembly on the slide through adjustment mechanism to guarantee to shoot all can be shone by the light source in the region, rotate during the operation the second handle can, convenient operation is swift, and the control of being convenient for is adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale. All the inventive innovations should be considered as disclosed and within the scope of the invention.

Fig. 1 is a schematic structural diagram of an anti-overexposure structure of a CIS linear array camera according to the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the middle support column of the present invention.

Wherein: 100-box body, 200-fine adjustment device, 210-support column, 211-limit groove, 212-threaded hole, 220-limit block, 230-vertical screw rod, 300-light source component, 310-guide slide seat, 320-light source lens, 400-bracket, 500-support frame, 510-support rod, 520-bearing plate, 600-linear array camera, 700-brightness sensor, 800-first bearing seat, 900-driving mechanism, 910-driven bevel gear, 920-driving bevel gear, 930-rotation shaft, 940-first hand crank, 1000-guide slide rail, 1100-side plate, 1200-second hand crank, 1300-second bearing seat, 1400-adjustment mechanism, 1410-first horizontal screw rod, 1420-second horizontal screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

the CIS linear array camera anti-overexposure structure of the embodiment, as shown in fig. 1-2, includes a case 100, a fine adjustment device 200 is disposed on the case 100, the top of the fine adjustment device 200 is connected with a bracket 400 located above the case 100, the fine adjustment device 200 is used for adjusting the height of the bracket 400, two light source assemblies 300 are disposed on the bracket 400, a support frame 500 is disposed on the case 100, a linear array camera 600 located above the bracket 400 is disposed at the top of the support frame 500, the linear array camera 600 is located between the two light source assemblies 300, a brightness sensor 700 is disposed at the center of the top of the linear array camera 600, and an indicator light is disposed on the brightness sensor 700.

In this embodiment, during adjustment, the height of the bracket 400 is adjusted by the fine adjustment device 200, so as to adjust the relative position between the light source assembly 300 on the bracket 400 and the line camera 600, and change the illumination area generated by the light source assembly 300 in the vertical direction, thereby changing the brightness, so as to change the brightness of the shooting area of the line camera 600, and at this time, the real-time detection by the brightness sensor 700 is performed, and the current brightness of the operator is prompted by the action of the indicator light, so as to adjust the optimal brightness, thereby preventing the brightness from being too high and being overexposed, and ensuring the sufficient brightness.

It should be noted that, here, only a range value needs to be set for the brightness sensor 700, and when the detected value is lower than or exceeds the range value, the indicator light is red, and when the detected value is within the range value, the indicator light is green, so that the operator can conveniently identify the value.

Example 2:

this embodiment is further optimized on the basis of embodiment 1, as shown in fig. 1-3, the fine adjustment device 200 includes a support column 210 connected to the bottom of the bracket 400, a through opening allowing the support column 210 to pass through is provided at the top of the box 100, a plurality of limiting blocks 220 are fixedly provided at the through opening, a plurality of limiting grooves 211 corresponding to the limiting blocks 220 one by one are provided on the side wall of the support column 210, the limiting blocks 220 can slide relatively along the corresponding limiting grooves 211, a threaded hole 212 is provided in the support column 210, a vertical screw rod 230 is screwed in the threaded hole 212, the bottom of the vertical screw rod 230 extends out of the threaded hole 212 and is movably connected with a first bearing seat 800 located at the bottom in the box 100, and a driving mechanism 900 is connected to the lower section of the vertical screw rod 230.

The driving mechanism 900 comprises a driven bevel gear 910 fixedly sleeved on the vertical screw 230, the driven bevel gear 910 is engaged with a driving bevel gear 920, the driving bevel gear 920 is connected with a rotating shaft 930, one end of the rotating shaft 930 movably extends out of the side wall of the box 100 and is connected with a first hand crank 940, and the side wall of the box 100 is provided with a ball bearing matched with the rotating shaft 930.

The number of teeth of the driving bevel gear 920 is smaller than that of the driven bevel gear 910, resulting in a labor-saving structure and convenient operation.

In this embodiment, during the operation, the first rocking handle 940 of manual rotation drives drive bevel gear 920 and driven bevel gear 910 and rotates, thereby it rotates to drive vertical lead screw 230, because vertical lead screw 230 and support column 210 threaded connection, and support column 210 receives the restriction and can not rotate thereupon under the effect of stopper 220, thereby turn into the up-and-down linear motion of support column 210 with vertical lead screw 230's rotary motion, stopper 220 is along being relative sliding motion in corresponding spacing groove 211 this moment, thereby realize the whole altitude mixture control to bracket 400 and above mechanism, convenient operation is swift, and is low in cost.

Other parts of this embodiment are the same as embodiment 1, and thus are not described again.

Example 3:

the present embodiment is further optimized on the basis of the above embodiment 1 or 2, as shown in fig. 1-2, the supporting frame 500 includes a plurality of supporting rods 510 disposed on the box body 100, a supporting plate 520 is disposed on the top of the supporting rods 510, and the line camera 600 is disposed on the supporting plate 520. The bracket 400 is provided with a guide sliding rail 1000, the two light source assemblies 300 are slidably disposed on the guide sliding rail 1000, the bracket 400 is provided with an adjusting mechanism 1400, and the adjusting mechanism 1400 is used for driving the two light source assemblies 300 to move in opposite directions or move in a back-to-back direction. The light source assembly 300 includes a guide slider 310 slidably disposed on the guide rail 1000, and a light source lens 320 is disposed on the top of the guide slider 310. The adjusting mechanism 1400 comprises a first horizontal screw 1410 and a second horizontal screw 1420 which are connected together through a coupler, the first horizontal screw 1410 and the second horizontal screw 1420 can rotate synchronously, the thread directions of the first horizontal screw 1410 and the second horizontal screw 1420 are opposite, and the first horizontal screw 1410 and the second horizontal screw 1420 are respectively in threaded connection with the corresponding guide slide 310. One end of the bracket 400 is connected with a side plate 1100, one end of a first horizontal screw 1410 movably penetrates through the side plate 1100 and is connected with a second crank 1200, one end of a second horizontal screw 1420 is movably connected with a second bearing seat 1300, and the second bearing seat 1300 is positioned on the bracket 400.

In this embodiment, the distance between the light source lens 320 and the camera module on the two guide sliders 310 is adjusted by the adjusting mechanism 1400, so as to ensure that all the light sources can irradiate the shooting area, and the second handle 1200 is rotated during operation, so that the operation is convenient and fast, and the control and adjustment are convenient. In specific operation, the second handle 1200 is manually rotated to synchronously rotate the first horizontal screw 1410 and the second horizontal screw 1420, since the two guide sliders 310 are slidably disposed on the guide rail 1000 and are restricted, the two guide sliders 310 do not rotate with the guide rail, thereby converting the rotational motion of the first and second

horizontal lead screws

1410 and 1420 into the linear motion of the guide slide 310, and since the first horizontal screw 1410 and the second horizontal screw 1420 have opposite thread directions, thereby driving the two guide sliders 310 to move toward or away from each other when sliding along the guide rail 1000, thereby automatically adjusting the distance between the light source lens 320 and the camera assembly on the two guide sliders 310, being convenient and fast to operate, because of the mechanical control adjustment, the relative offset between the light source lens 320 on the two guide sliders 310 and the camera assembly is synchronously performed, and the distance error is very small during adjustment, thereby avoiding human errors and ensuring the precision.

The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides a CIS linear array camera prevents structure of overexposing, includes box (100), its characterized in that, be provided with micromatic setting (200) on box (100), micromatic setting (200) top is connected with bracket (400) that are located box (100) top, micromatic setting (200) are used for adjusting bracket (400) height, be provided with two light source subassembly (300) on bracket (400), be provided with support frame (500) on box (100), support frame (500) top is provided with linear array camera (600) that are located bracket (400) top, linear array camera (600) are located in the middle of two light source subassemblies (300), linear array camera (600) top center is provided with luminance sensor (700), be provided with the pilot lamp on luminance sensor (700).

2. A CIS line camera anti-overexposure structure according to claim 1, the fine adjustment device (200) comprises a support column (210) connected to the bottom of the bracket (400), the top of the box body (100) is provided with a through hole for allowing the supporting column (210) to pass through, a plurality of limiting blocks (220) are fixedly arranged at the through hole, the side wall of the supporting column (210) is provided with a plurality of limiting grooves (211) which are in one-to-one correspondence with the limiting blocks (220), the limiting blocks (220) can do relative sliding motion along the corresponding limiting grooves (211), a threaded hole (212) is formed in the supporting column (210), a vertical screw rod (230) is connected with the threaded hole (212) in an internal thread manner, the bottom of the vertical screw rod (230) extends out of the threaded hole (212) and is movably connected with a first bearing seat (800) positioned at the bottom in the box body (100), and the lower section of the vertical screw rod (230) is connected with a driving mechanism (900).

3. A CIS linear array camera anti-overexposure structure as claimed in claim 2, wherein the driving mechanism (900) comprises a driven bevel gear (910) fixedly sleeved on the vertical screw (230), the driven bevel gear (910) is engaged with a driving bevel gear (920), the driving bevel gear (920) is connected with a rotating shaft (930), one end of the rotating shaft (930) movably extends out of the side wall of the box body (100) and is connected with a first hand crank (940), and the side wall of the box body (100) is provided with a ball bearing matched with the rotating shaft (930).

4. A CIS line camera anti-overexposure structure according to claim 3, wherein the number of teeth of the driving bevel gear (920) is less than that of the driven bevel gear (910).

5. A CIS linear array camera anti-overexposure structure according to any of claims 1-4, wherein the supporting frame (500) comprises a plurality of supporting rods (510) arranged on the box body (100), a bearing plate (520) is arranged on the top of the supporting rods (510), and the linear array camera (600) is arranged on the bearing plate (520).

6. The CIS linear array camera anti-overexposure structure of claim 5, wherein the bracket (400) is provided with a guide rail (1000), the two light source assemblies (300) are slidably arranged on the guide rail (1000), the bracket (400) is provided with an adjusting mechanism (1400), and the adjusting mechanism (1400) is used for driving the two light source assemblies (300) to move in opposite directions or in a back direction.

7. A CIS line camera anti-overexposure structure according to claim 6, wherein the light source assembly (300) comprises a guide slide (310) slidably arranged on the guide slide (1000), and a light source lens (320) is arranged on the top of the guide slide (310).

8. A CIS line camera anti-overexposure structure according to claim 7, wherein the adjusting mechanism (1400) comprises a first horizontal screw (1410) and a second horizontal screw (1420) connected together by a coupling, the first horizontal screw (1410) and the second horizontal screw (1420) can rotate synchronously, the thread directions of the first horizontal screw (1410) and the second horizontal screw (1420) are opposite, and the first horizontal screw (1410) and the second horizontal screw (1420) are respectively connected with the corresponding guide slide (310) in a threaded manner.

9. The CIS linear array camera anti-overexposure structure of claim 8, wherein one end of the bracket (400) is connected with a side plate (1100), one end of the first horizontal screw (1410) movably penetrates through the side plate (1100) and is connected with a second rocking handle (1200), one end of the second horizontal screw (1420) is movably connected with a second bearing seat (1300), and the second bearing seat (1300) is positioned on the bracket (400).