CN218725206U

CN218725206U - Dry chemical camera inspection tool for dry chemical detection equipment

Info

Publication number: CN218725206U
Application number: CN202222200165.6U
Authority: CN
Inventors: 王聪; 肖利峰; 唐鹏桢; 王超; 刘聪; 魏文娟
Original assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Current assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-03-24
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a dry chemical camera inspection tool for dry chemical detection equipment, which comprises an installation base body, a mounting hole and a detection device, wherein the installation base body is provided with a plurality of mounting holes; the light source assembly is provided with a light source lamp plate and a reflecting cover covering the light source lamp plate, and the light source lamp plate is provided with a shooting window; the fixing assembly is provided with a mounting piece and a fixing piece which are vertically arranged on the mounting base body; and the reference assembly is provided with a bearing part for mounting the reference white strip and the reference gray card, and the reference white strip and the reference gray card are arranged at intervals. The utility model fixes the camera to be tested on the fixing piece, unifies the installation position of the camera, and has large space and simple and convenient assembly and disassembly; the bearing piece can horizontally move back and forth below the upper shooting window, the reference white strip and the reference gray card can be respectively shot, the independent inspection of the camera is realized, the inter-platform difference caused by the camera is eliminated as much as possible, the passing rate of the inter-platform difference of the instrument is improved, and the inspection efficiency of the instrument is improved.

Description

Dry chemical camera inspection tool for dry chemical detection equipment

Technical Field

The utility model relates to an inspection of camera among the dry chemistry check out test set especially relates to a dry chemistry camera inspection frock for doing chemistry check out test set.

Background

The detection process of the dry chemical detection equipment comprises the steps of dripping a sample into test paper, then starting a light source, shooting the test paper by using a camera to obtain a picture, and analyzing the color of the picture to obtain a detection result, wherein the dry chemical detection equipment has the advantages of high accuracy, high speed, simplicity and convenience in operation, no need of storing reagents or preparing solutions, no need of pretreatment, small sample dosage, capability of being used for emergency treatment samples and the like, and is popularized in hospitals, scientific research institutions and detection centers.

For dry chemical detection equipment, the difference between the dry chemical detection equipment often exists, that is, different dry chemical detection equipment are used for testing the same sample, and the condition that the obtained color data are inconsistent can occur. Therefore, before shipping, it is usually necessary to inspect dry chemical detection equipment to ensure that the inter-station differences among a plurality of pieces of equipment are within the design range, and to ensure the reliability of the detection results.

At present, the method for detecting the inter-platform difference of the dry chemical detection equipment is to install a camera firstly and then adjust the inter-platform difference of the whole machine by a software fitting method. However, there are many factors causing the inter-platform difference of the dry chemical detection equipment, such as light source difference, reflector difference, camera difference, etc., the detection in the above-mentioned detection manner is the inter-platform difference of the whole machine, and the large difference occurring at the part where the instrument cannot be confirmed results in that the calibration of the inter-platform difference of the whole machine cannot be passed (i.e. the root cause causing the inter-platform difference cannot be found out quickly); in addition, a large amount of experimental research is needed in the early stage of the detection mode, and the condition that the whole machine is out of tolerance easily occurs; moreover, the inner structure of the instrument is compact, so that the disassembly difficulty of components such as a camera, a reflecting cover and the like is high.

The camera difference is the main reason causing the inter-platform difference of the dry chemical detection equipment, deviation detection is carried out on the dry chemical detection equipment before installation, unqualified cameras are screened out in advance, and the method is of great importance for reducing the probability that the inter-platform difference of the whole machine cannot pass. However, there is currently no testing device that separately tests the camera used in the dry chemical detection apparatus. Therefore, how to design an inspection tool for rapidly inspecting whether the dry chemical camera is qualified is very important for manufacturers.

Disclosure of Invention

In view of this, the utility model provides a dry chemistry camera inspection frock for doing chemical check-out test set can fix the independent inspection in order to realize doing chemical camera to doing chemical camera, and then has realized the quick inspection of camera, is convenient for confirm fast the poor reason between the platform of doing chemical check-out test set.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention relates to a dry chemical camera inspection tool for dry chemical detection equipment, which comprises

The mounting base body is horizontally arranged on the mounting unit and is provided with a mounting hole;

the light source assembly is provided with a light source lamp plate arranged in the mounting hole and a reflecting cover covering the light source lamp plate, and the light source lamp plate is provided with a shooting window;

the fixing assembly is provided with a mounting piece vertically arranged on the mounting base body and a fixing piece arranged on the mounting piece, and the camera is fixed on the fixing piece; and

the reference assembly is arranged on the mounting unit in a sliding mode, is provided with a bearing piece used for mounting a reference white strip and a reference gray card, and is arranged at intervals;

and the lens of the camera passes through the reflector and the shooting window downwards.

In the above technical scheme: the utility model fixes the camera to be detected on the fixing piece, and can test the camera independently with the light source lamp board, the reflecting cover and the reference component; during inspection, only the camera needs to be installed on the fixing piece, and then the shot picture is compared with a reference, so that whether the camera is qualified or not can be judged, the camera can be quickly inspected, and the inter-station difference caused by the camera can be quickly eliminated; in addition, the camera is fixed on the fixing piece through the bolt, so that the space is large, and the camera is simple and convenient to disassemble and assemble.

In a preferred embodiment of the present invention, the mounting unit includes a pair of horizontally disposed guide rails (the guide rails are fixed on the workbench or the inspection rack), and the two guide rails are disposed at an interval; the bearing piece is arranged on the guide rail in a sliding manner; the mounting base body is a fixed seat fixed on the guide rail. During the in-service use, the carrier can move relative to the fixing base, and then makes reference white stripe and reference grey card move respectively to shoot under the window to shoot reference white stripe and reference grey card respectively.

The utility model discloses an in the more preferred embodiment, do chemical camera inspection frock still including the drive hold the power unit that carrier reciprocated, power unit is cylinder, electric putter, motor and the lead screw or the synchronous belt drive mechanism of being connected with motor drive. When the automatic adjusting device works, the power mechanism is utilized to drive the bearing piece to horizontally move back and forth, so that the positions of the white strips and the gray cards are flexibly adjusted, and time and labor are saved.

In the preferred embodiment of the present invention, the mounting member is a vertical plate vertically disposed, the mounting member is horizontally disposed on an upper portion of the vertical plate, and the fixing plate has a positioning groove for positioning the camera. In this additional scheme: the constant head tank is the L shape groove, can fix the camera of treating the inspection in the constant head tank, has unified the mounted position of camera, further ensures the inspection result.

In a preferred embodiment of the present invention, at least one reinforcing rib is further disposed between the vertical plate and the mounting base. When actual installation, the vertical edge of strengthening rib is fixed on the riser and its level limit is fixed on removing the seat, has increased installation component's structural strength and stability, improves fixed subassembly's wholeness. In addition, in actual installation, two, three, four, or the like may be used.

The utility model discloses an in the preferred embodiment, the bottom edge department of reflector has the installation limit that is the loop configuration, the installation limit passes through the connecting piece to be fixed the drill way department of mounting hole, the installation limit has a plurality of through-holes to in installation reflector.

Compared with the prior art, the utility model has the advantages as follows: the camera to be detected is fixed on the fixing piece, so that the mounting position of the camera is unified, the space is large, and the camera is simple and convenient to assemble and disassemble; the bearing piece can horizontally move back and forth below the upper shooting window, and can respectively shoot the reference white strip and the reference gray card, so that the independent inspection of the camera is realized, and the inter-platform difference caused by the camera is eliminated as much as possible. Specifically, the method comprises the following steps: only need install the camera at the mounting when the inspection, the picture that will shoot again compares with reference colour information, can judge whether qualified the camera, has realized the quick inspection of camera, can get rid of the inter-platform difference that the camera brought fast, has improved the poor passing rate between the instrument platform, has improved the inspection efficiency of instrument.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another state diagram of the present invention (omitting the reflector).

Fig. 3 is a schematic view of the connection between the power mechanism and the supporting plate of the present invention.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.

For dry chemical detection equipment, although camera difference is known to be a main factor causing instrument inter-table difference, the existing whole machine inter-table difference detection mode cannot quickly determine whether the camera or the inter-table difference caused by other factors, and the inter-table difference has low pass rate. Therefore, the utility model provides a dry chemistry camera inspection frock for doing chemical check out test set, it is easy and simple to handle, realize the camera and examined alone, inspection efficiency is high, has improved poor passing rate between the instrument desk, and then has improved the inspection efficiency of equipment.

As can be seen from fig. 1-2, the dry chemical camera inspection tool of the present invention includes an installation base (i.e., the fixing base 1), a light source assembly, a fixing assembly, and a reference assembly; wherein, the fixed seat 1 is arranged on the mounting unit, and the fixed seat 1 is provided with a mounting hole for mounting the light source component;

the light source component is provided with a light source lamp panel 2 fixedly connected to the edge of the mounting hole and a reflecting cover 3 covering the light source lamp panel 2, the light source lamp panel 2 is provided with 24 LED lamp beads which are uniformly distributed in an annular mode, the lamp beads emit white light, the color temperature is 7500K-8000K, the color rendering index RA is greater than or equal to 80, and a light source is provided for the camera; the reflecting shade 3 is made of white PVC plastic, the roughness value of the inner surface of the reflecting shade 3 is less than or equal to 1 mu m, the reflecting shade 3 can homogenize white light emitted by the LED lamp beads, so that the light uniformly falls under the lens, and the utilization rate of a light source is improved; the light source lamp panel 2 and the reflecting cover 3 are matched for use, so that the light sources of the camera are unified; a shooting window corresponding to the lens of the camera F is arranged on the light source lamp panel 2, so that shooting is facilitated;

the fixing assembly comprises a mounting part (namely a vertical plate 4) vertically arranged on the fixing seat 1 and a fixing part (namely a fixing plate 5) arranged on the upper part of the vertical plate 4, the camera F is fixed on the fixing plate 5 through bolts, the mounting position of the camera F is unified, and a lens of the camera F extends into the reflector 3 from top to bottom so as to be convenient for shooting; in addition, the fixed component has larger dismounting space, which is convenient for dismounting and mounting the camera F;

the reference assembly is slidably disposed on the mounting unit and includes a bearing member (i.e., a support plate 6) located below the photographing window, a reference white bar 7 disposed on the support plate 6, and a standard gray card (not shown) disposed on the support plate 6, the reference gray card corresponding to the photographing window up and down.

During working, the reference component can be pushed to enable the reference white strip 7 and the reference gray card to move to the position right below the shooting window in sequence, the reference white strip 7 and the reference gray card are shot by the camera F respectively, then the reference exposure value and the reference RGB are compared, if the exposure value and the RGB of the camera F are both in the standard deviation range, the camera F is qualified, if any one or two of the exposure value and the RGB exceed the design deviation, the camera F is unqualified, the influence of the difference of the camera F on the difference between the equipment stations is eliminated as much as possible, the passing rate of the difference between the equipment stations of the dry chemical detection equipment is improved, and the detection efficiency is improved.

Preferably, the mounting unit comprises a pair of horizontally arranged guide rails 9, and the bearing plate 6 is in sliding fit with the guide rails 9, so that the bearing plate 6 can horizontally move back and forth along the guide rails 9; fixing base 1 is fixed on two guide rails 9, and bearing board 6 can remove in the below of fixing base 1 for refer to the vertical scroll 7 and refer to grey card and pass through in proper order under the window of shooing, so that shoot respectively according to vertical scroll 7 and refer to grey card.

Preferably, dry chemical camera inspection frock, still include the power unit 10 that drives bearing board 6 and reciprocate along guide rail 9. 3, the power mechanism 10 preferably selects a motor and a lead screw in transmission connection with the motor, the bearing plate 6 is fixed on a nut seat of the lead screw, the flexible adjustment of the positions of the white strips and the ash card can be realized by the rotation of the motor, time and labor are saved, and the inspection efficiency is improved.

Of course, the power mechanism 10 may also be a cylinder, an electric push rod, a motor, a synchronous belt transmission mechanism, and other linear transmission mechanisms, and can be flexibly selected according to actual requirements during installation.

As can be seen from fig. 1-2, the fixing plate 5 is of an L-shaped structure and is transversely disposed over the fixing base 1, and the fixing plate 5 is of an L-shaped structure and has a positioning groove of an L-shaped structure, so that the camera F can be fixed in the positioning groove, the mounting position of the camera F is unified, the inter-station deviation caused by the mounting deviation of the camera F is reduced as much as possible, and the reliability of the inspection result is ensured.

As can be seen from fig. 1, a reinforcing rib 11 is further disposed between the vertical plate 4 and the fixing base 1. When actual installation, the vertical edge of strengthening rib 11 is fixed on riser 4 and its level limit is fixed on fixing base 1, has improved structural strength and stability, and then has improved fixed subassembly's wholeness.

As can be known by combining the figure 1, the bottom edge of the reflector 3 is provided with an installation edge 3.1 which is of an annular structure, the installation edge 3.1 is fixed at the orifice of the installation hole through a connecting piece, the installation edge 3.1 is provided with a plurality of through holes, the reflector 3 can be fixed on the fixing seat 1 through bolts penetrating through the through holes, and the installation is simple and convenient.

In actual installation, the reference white strip 7 is preferably a ceramic white strip with an absolute reflection coefficient of more than or equal to 0.95 for visible light wavelengths (380 nm-760 nm), such as a zirconia white strip or an alumina white strip; the CCG-32 gray card (a commercial product) with high stability is selected as the reference gray card, so that the reliability of the detection result is improved;

in actual installation, the lens interface of the camera F is a C port (or a CS port), the lens is preferably a C port zoom lens H, the F value is 6mm-12mm, and the F value is 1.6-12. During inspection, only the camera needs to be replaced without replacing the lens, so that the standard of the lens is unified, and the reliability of an inspection result is improved.

The utility model discloses a working process and principle brief follow as follows: fixing a camera F in a positioning groove of the upper fixing plate 5 by using a bolt, wherein a lens of the camera F enters the reflector from top to bottom and is positioned at the shooting window;

the reference white strip 7 is moved to the position right below the shooting window by using the power mechanism 10, the camera F shoots and analyzes the picture by using the existing data processing system of the dry chemical detection equipment to obtain the RGB numerical value of the camera F; moving the reference gray card on the bearing plate 6 to the position right below the shooting window, taking a picture by the camera F, and analyzing the picture by using an existing data processing system to obtain the exposure value at the moment;

comparing the obtained value with a reference, and if the exposure value and RGB of the camera F are both in the standard deviation range, determining that the camera F is qualified; if any one or both of the exposure value and RGB exceed the design deviation, the camera F is unqualified, the influence of the difference of the camera F on the difference between the equipment stations is eliminated as much as possible, the passing rate of the difference between the equipment stations of the dry chemical detection equipment is improved, and the detection efficiency is improved.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not limitative of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made to the embodiments described in the foregoing without inventive faculty, or that equivalents may be substituted for elements thereof. Therefore, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a do chemical camera inspection frock for doing chemical check out test set which characterized in that: comprises that

2. The dry chemistry camera inspection tool for dry chemistry inspection equipment of claim 1, wherein: the mounting unit comprises a pair of guide rails which are horizontally arranged, and the two guide rails are arranged at intervals; the bearing piece is arranged on the guide rail in a sliding manner; the installation base member is the fixing base of fixing on the guide rail.

3. The dry chemistry camera inspection tool for dry chemistry inspection equipment of claim 2, wherein: the device also comprises a power mechanism for driving the bearing piece to move back and forth, wherein the power mechanism is an air cylinder, an electric push rod, a motor and a lead screw or synchronous belt transmission mechanism in transmission connection with the motor.

4. The dry chemistry camera inspection tool for dry chemistry inspection equipment of claim 1, wherein: the mounting part is a vertical plate which is vertically arranged, the fixing part is a fixing plate which is horizontally arranged on the upper portion of the vertical plate, and the fixing plate is provided with a positioning groove for positioning the camera.

5. The dry chemistry camera inspection tool for dry chemistry inspection equipment of claim 4, wherein: at least one reinforcing rib is further arranged between the vertical plate and the mounting base body.

6. The dry chemistry camera inspection tool for dry chemistry inspection equipment of claim 1, wherein: the bottom edge of the reflecting cover is provided with an installation edge in an annular structure, and the installation edge is fixed at the opening of the installation hole through a connecting piece.