CN212872196U

CN212872196U - Biological test paper detection device

Info

Publication number: CN212872196U
Application number: CN202021559138.2U
Authority: CN
Inventors: 弓景波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-02
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a biological test paper detection device, which comprises a first shell and a second shell which is detachably assembled to the first shell; the first shell is provided with a detection slot position for containing biological test paper to be detected, a first light source component and a first detection component are arranged below the detection slot position, and the first detection component receives light rays which are emitted by the first light source component and reflected by the biological test paper to be detected; the second casing facial make-up is equipped with the second light source subassembly to when the second casing assembles first casing, the second light source subassembly with the position of detecting the trench corresponds, and first detection subassembly receives by the second light source subassembly send and see through wait to detect the light of biological test paper. The utility model discloses the reaction information who obtains biological test paper that can be accurate has improved the sensitivity that detects, is convenient for use in the discernment that possesses the high accuracy requirement detects, and simple structure and convenient storage have high practicality.

Description

Biological test paper detection device

Technical Field

The embodiment of the utility model provides a biological test paper detects technical field, and more specifically says, relates to a biological test paper detection device.

Background

Molecular detection has been an important area of clinical and life science research. A simple, cheap and practical molecular detection technology can not only meet the research of life science and medicine, but also be widely applied to clinical detection in hospitals and self diagnosis of patients, and has wide market prospect. The biological test paper is used as a carrier for molecular detection, so that the detection cost can be greatly reduced, and the biological test paper is convenient to store and use.

The biological test paper is a common method for reflecting a certain biological parameter by color depth, and since the color of the biological test paper is directly identified and interpreted by human eyes, the problems of misjudgment of results or large deviation and the like are often caused, so that a detection device is mostly adopted to analyze the change condition of the color of the biological test paper at present.

However, most of the existing biological test paper detection devices employ a reflective detection method to analyze the color change of the biological test paper, that is, the biological test paper is irradiated by a light source, and a detector receives light reflected by the biological test paper to identify and detect the biological test paper.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a sensitivity of detection to above-mentioned current biological test paper detection device is comparatively not enough, the testing result has certain deviation and is not applicable to the problem in the discernment detection of utensil high accuracy, provides a new biological test paper detection device.

The embodiment of the present invention provides a device for detecting biological test paper, which comprises a first housing and a second housing detachably assembled to the first housing; the first shell is provided with a detection slot position for containing biological test paper to be detected, a first light source component and a first detection component are arranged below the detection slot position, and the first detection component receives light rays which are emitted by the first light source component and reflected by the biological test paper to be detected; the second casing facial make-up is equipped with the second light source subassembly to when the second casing assembles first casing, the second light source subassembly with the position of detecting the trench corresponds, and first detection subassembly receives by the second light source subassembly send and see through wait to detect the light of biological test paper.

Preferably, the biological test paper detection device further comprises a control circuit board arranged in the first shell, and the control circuit board is respectively in conductive connection with the first light source assembly, the second light source assembly and the first detection assembly; the control circuit board is provided with a power supply circuit, and the first light source assembly, the second light source assembly and the first detection assembly are respectively powered by the power supply circuit of the control circuit board.

Preferably, the first shell is provided with a female plug fixing piece in conductive connection with the control circuit board, the second shell is provided with a male plug fixing piece matched with the female plug fixing piece, and the male plug fixing piece is in conductive connection with the second light source assembly; the second shell is assembled with the first shell in a mode that the male plug fixing piece is inserted into the female plug fixing piece, and the second light source assembly is in conductive connection with the control circuit board through the male plug fixing piece and the female plug fixing piece.

Preferably, the first shell is provided with a limiting slot position arranged along the plugging direction of the female plug fixing piece, and the limiting slot position is matched with the main body part of the second shell; when the second shell is assembled to the first shell in a mode that the male plug fixing piece is matched with the female plug fixing piece, the limiting groove positions the main body part of the second shell in a limiting and fixing mode;

the detection slot position is located below the limiting slot position, and when the second shell is installed in the limiting slot position, the second light source assembly is located in a vertical projection area of the detection slot position.

Preferably, the second casing is further provided with a second detection assembly, the second detection assembly is adjacent to the second light source assembly, and the second detection assembly is electrically connected with the control circuit board through the male plug fixing piece and the female plug fixing piece and is powered by a power supply circuit of the control circuit board;

the second detection assembly corresponds to the position of the detection groove when the second shell is assembled to the first shell, and receives the light which is emitted by the second light source assembly and reflected by the biological test paper to be detected and the light which is emitted by the first light source assembly and penetrates through the biological test paper to be detected.

Preferably, the first detection assembly and/or the second detection assembly comprises a photodetector; the first light source assembly comprises a first LED lamp group, a second LED lamp group and a third LED lamp group, and the first LED lamp group, the second LED lamp group and the third LED lamp group are powered by the power supply circuit to respectively emit light rays with different wavelengths.

Preferably, the second light source assembly comprises a fourth LED lamp group, a fifth LED lamp group and a sixth LED lamp group, the fourth LED lamp group emits light with the same wavelength as the first LED lamp group, the fifth LED lamp group emits light with the same wavelength as the second LED lamp group, and the sixth LED lamp group emits light with the same wavelength as the third LED lamp group;

the first shell is provided with a first key for switching on and off the first LED lamp group and the fourth LED lamp group, a second key for switching on and off the second LED lamp group and the fifth LED lamp group, and a third key for switching on and off the third LED lamp group and the sixth LED lamp group, and the first key, the second key and the third key are respectively connected to the control circuit board in a conductive mode.

Preferably, the first and/or second detection assembly comprises a colour detector; the first light source assembly and the second light source assembly comprise seventh LED lamp sets, and the seventh LED lamp sets are powered by the power supply circuit to emit white light.

Preferably, the first detection assembly and/or the second detection assembly includes a plurality of photodetectors and a plurality of filtering members respectively disposed on the plurality of photodetectors, and light rays emitted by the first light source assembly and the second light source assembly are respectively irradiated to the photodetectors through the corresponding filtering members; the first light source assembly and the second light source assembly comprise eighth LED lamp sets, and the eighth LED lamp sets are powered by the power supply circuit to emit white light.

Preferably, the biological test paper detection device comprises an energy storage battery arranged in the first shell, and the energy storage battery is electrically connected to the control circuit board and supplies power to the power supply circuit;

the outer wall of the first shell is further provided with a switch button for switching on and off the power supply circuit, and the switch button is in conductive connection with the control circuit board.

The utility model discloses biological test paper detection device has following beneficial effect: by arranging the first light source component and the second light source component, the first detection component can simultaneously receive light rays reflected and transmitted by the biological test paper to be detected, so that the reaction information of the biological test paper can be more accurately acquired, the detection sensitivity is greatly improved, the deviation of a detection result is reduced, the biological test paper identification detection device is convenient to apply to identification detection with high precision requirements, the overall structure is simple, the size is small, the cost is low, the storage is convenient, and the biological test paper identification device has higher practicability; because the second shell is assembled to the first shell in a detachable mode, the second shell can be detached when the detection device is used, the first detection assembly only receives the reflected light from the first light source assembly, the detection modes are effectively increased, and the universality of the detection device is improved.

In addition, above-mentioned biological test paper detection device is still through setting up the first LED banks, second LED banks, third LED banks and fourth LED banks, fifth LED banks and the sixth LED banks that can send different wavelength light, can provide the detection light of different wavelengths like this, obtains biological test paper's under the different wavelength light reaction information by first detecting element, can improve detection range like this to make detection device have high universality.

Drawings

Fig. 1 is a schematic structural diagram of a biological test paper detection device provided by an embodiment of the present invention;

fig. 2 is a schematic view of an exploded structure of a biological test paper detection device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a schematic structural diagram of a biological test strip detection device according to an embodiment of the present invention, which can be applied to the technical field of biological test strip detection, especially in the detection of dry biological test strips.

Referring to fig. 2, the biological strip testing apparatus in this embodiment includes a first housing 1 and a second housing 2, and the second housing 2 is detachably fixed to the first housing 1. The first casing 1 is provided with a detection slot 11, and the detection slot 11 is mainly used for accommodating biological test paper to be detected so as to identify and detect the biological test paper to be detected. Preferably, the shape and size of the detection slot 11 are matched with those of the biological test paper to be detected, so that the biological test paper to be detected can be effectively limited, and the detection is prevented from being influenced by the movement of the biological test paper to be detected. In practical application, an elastic limiting structure (for example, a compression mode that a compression spring is matched with a pushing component) can be arranged on the detection slot position 11, so that compatibility can be improved, and biological test paper to be detected with different sizes can be contained in the detection slot position 11 in a limiting manner, so that the application range is expanded.

Further, the below in the detection trench 11 of this embodiment is provided with first light source subassembly 12 and first determine module, and first determine module installs on the reflex position of first light source subassembly 12, when first light source subassembly 12 circular telegram sent the testing light promptly, light can earlier through the holding in detection trench 11 wait to detect biological test paper after the reflection fall into first determine module on, first determine module accessible reverberation obtains the reaction information who waits to detect biological test paper, reaches the check function from this. Because biological test paper generally is provided with one or more detection areas, the detection light irradiation direction of first light source subassembly 12 should be towards the detection area of waiting to detect biological test paper, ensures that first detection subassembly can be accurate obtains the reaction information of reaction product in the detection area.

In addition, the second housing 2 is provided with a second light source assembly, and when the second housing 2 is assembled to the first housing 1, the second light source assembly corresponds to the position of the detection slot 11, so that the detection light emitted by the second light source assembly in a power-on mode can irradiate the biological test paper to be detected accommodated in the detection slot 11. Moreover, the first detecting component 21 can receive the light emitted by the second light source component and transmitted through the biological test paper to be detected. For ensuring that first detecting component 21 can reliably receive the light that sends and see through the biological test paper that awaits measuring from the second light source subassembly, the detection light irradiation direction of second light source subassembly should be towards first detecting component and wait to detect the detection zone of biological test paper, makes first detecting component can acquire the reaction information of reaction product in the detection zone through the transmitted light.

Above-mentioned biological test paper detection device is through setting up first light source subassembly 12 and second light source subassembly, and first determine module can receive simultaneously and wait to detect biological test paper's detection zone reflection and transmitted light to can more accurate acquireing wait to detect the biological test paper's reaction information, improved the sensitivity that detects greatly, reduce the deviation of testing result simultaneously, be favorable to using in the discernment that possesses the high accuracy requirement detects like this. Moreover, the whole structure of the detection device is simple and reasonable, the size is small, the control cost is convenient to use and store, the practicability is high, and the detection device is suitable for popularization and use.

In particular, since the second housing 2 is detachably assembled to the first housing 1, the second housing 2 can be also detached when in use, so that the first detecting element only receives the reflected light from the first light source assembly 12, and certainly, the first light source assembly 12 can also be turned off, so that the first detecting element only receives the transmitted light from the second light source assembly 12, thereby effectively increasing the detecting manner and being beneficial to improving the universality of the detecting device.

Above-mentioned biological test paper detection device is still including installing the control circuit board in first casing 1, and control circuit board respectively with first light source subassembly 12, second light source subassembly and first determine module electrically conductive connection to carry out intelligent control to first light source subassembly 12, second light source subassembly and first determine module. Specifically, since the control circuit board is provided with a power supply circuit, the first light source assembly 12, the second light source assembly and the first detecting assembly can be powered by the power supply circuit of the control circuit board respectively.

In one embodiment of the present invention, the first housing 1 is provided with a female plug fixing member 13, and the female plug fixing member 13 is electrically connected to the control circuit board. Second casing 2 is equipped with public plug mounting 21, this public plug mounting 21 and second light source subassembly conductive connection, and with the female plug mounting 13 looks adaptation of first casing 1, consequently, the mode assembly that second casing 2 accessible public plug mounting 21 inserted female plug mounting 13 is fixed to first casing 1 on, not only can assemble first casing 1 and second casing 2 with detachable mode integrative like this, still can make the second light source subassembly pass through public plug mounting 21 and female plug mounting 13 and the interior control circuit board conductive connection of first casing 1, higher practicality has.

Of course, in practical applications, the first housing 1 may also be detachably assembled and fixed on the second housing 2 by other connection methods, such as clamping and/or locking and fixing by a locking member, which may be determined according to practical situations.

In order to firmly assemble the second housing 2 on the first housing 1, the first housing 1 is provided with a limiting slot 14 arranged along the plugging direction of the female plug fixing piece 13, so that the second housing 2 can be clamped into the limiting slot 14 when the male plug fixing piece 21 is plugged into the female plug fixing piece 13 of the first housing 1, the limiting slot 14 limits the movement of the first housing 1 in the plugging direction perpendicular to the female plug fixing piece 13, and the connection stability between the female plug fixing piece 13 and the male plug fixing piece 21 is improved. Of course, in order to ensure the limiting effect of the limiting slot 14 on the second housing 2, the shape and size of the limiting slot 14 should be matched with the shape and size of the main body portion (or the limiting structure) of the second housing 2.

And, detect the below that trench 11 is located spacing trench 14, when second casing 2 packed into spacing trench 14 like this, the second light source subassembly can be located the vertical projection region of detecting trench 11 for the second light source subassembly can be corresponding to the detection zone of waiting to detect biological test paper.

In another embodiment of the present invention, a second detecting component is further mounted on the second housing 2, the second detecting component is adjacent to the second light source component, and the second detecting component is also electrically connected to the control circuit board through the male plug fixing member 21 and the female plug fixing member 13, and is powered by the power supply circuit of the control circuit board for operation detection.

Specifically, the second determine module is installed in the reflection position of second light source subassembly, and the second determine module corresponds to the orientation region of first light source subassembly 12 when second casing 2 assembles first casing 1 in, the second determine module can receive and send and wait to detect the light of biological test paper reflection by the second light source subassembly like this, and send and see through the light of waiting to detect biological test paper by first light source subassembly 12, in order to acquire the reaction information who waits to detect the reaction product in the detection zone of biological test paper through reflection light and transmitted light. According to the detection device, the second detection component is matched with the first detection component to synchronously detect the detection area of the biological test paper to be detected, so that misjudgment can be avoided, and the detection result has higher reference value.

In an embodiment of the present invention, the first detecting component and the second detecting component respectively include a photo detector. In addition, the first light source assembly 12 includes a first LED lamp set, a second LED lamp set and a third LED lamp set, and the first LED lamp set, the second LED lamp set and the third LED lamp set are powered by the power supply circuit of the control circuit board to respectively emit light beams with different wavelengths.

In addition, the second light source component comprises a fourth LED lamp group, a fifth LED lamp group and a sixth LED lamp group, the fourth LED lamp group emits light with the same wavelength as the first LED lamp group, the fifth LED lamp group emits light with the same wavelength as the second LED lamp group, and the sixth LED lamp group emits light with the same wavelength as the third LED lamp group. Therefore, when in detection, the first LED lamp group and the fourth LED lamp group, the second LED lamp group and the fifth LED lamp group, or the third LED lamp group and the sixth LED lamp group can be electrified and irradiated, so that the first detection component and the second detection component are provided with detection light with different wavelengths, and the photoelectric detectors of the first detection component and the second detection component can acquire absorption information of reaction products of the detection regions of the biological test paper to be detected under different wavelengths, so that identification and analysis are performed. Meanwhile, the detection device can be compatible with most of biological reactions, so that the application range is wider.

And the first shell 1 is provided with a first key for switching on and off the first LED lamp group and the fourth LED lamp group, a second key for switching on and off the second LED lamp group and the fifth LED lamp group, and a third key for switching on and off the third LED lamp group and the sixth LED lamp group, and the first key, the second key, and the third key are respectively electrically connected to the control circuit board, so that the first LED lamp group and the fourth LED lamp group, the second LED lamp group and the fifth LED lamp group, or the third LED lamp group and the sixth LED lamp group can be independently turned on through the first key, the second key, and the third key, thereby realizing independent control of the lamp groups, and ensuring that the photoelectric detectors of the first detection assembly and the second detection assembly can obtain absorption information of reaction products under different wavelengths.

Certainly, in practical application, when a plurality of detection regions are arranged on the biological test paper to be detected, the light blocking plates can be respectively arranged among the first LED lamp group, the second LED lamp group and the third LED lamp group, and the first LED lamp group, the second LED lamp group and the third LED lamp group respectively correspond to one detection region on the biological test paper to be detected, so that synchronous detection can be performed (a plurality of independently corresponding photodetectors can be certainly arranged), and absorption information of reaction products of the detection region on the biological test paper to be detected under different wavelengths can be obtained.

Of course, in practical applications, the first detection assembly and the second detection assembly may comprise a color detector, respectively. In addition, first light source subassembly 12 and second light source subassembly all include seventh LED banks, and seventh LED banks supplies power through the supply circuit of control circuit board to send the light that the colour is white, and the colour detector accessible seventh LED banks's reflection light and transmitted light like this obtains the reaction product colour change information in the detection zone of waiting to detect biological test paper, in order to carry out identification analysis.

In another embodiment of the present invention, the first and second detecting components include a plurality of photodetectors and a plurality of filtering members (e.g., filters), and the plurality of filtering members respectively identify portions of the plurality of photodetectors, thereby constituting a multispectral detector. In addition, first light source subassembly 12 and second light source subassembly all include eighth LED banks, and this eighth LED banks sends the colour through control circuit board's supply circuit power supply and is white light, and the light that first light source subassembly 12 and second light source subassembly sent shines photoelectric detector (being photoelectric detector's identification portion) behind the filter component that corresponds respectively, can acquire the spectral information of waiting to detect the reaction product in the detection zone of biological test paper from this, carries out the identification analysis from this.

In addition, the biological test paper detection device of this embodiment is still including installing the energy storage battery in first casing 1, and this energy storage battery conductive connection to control circuit board to for the power supply circuit power supply, in order to guarantee the circular telegram operation that first light source subassembly 12, first determine module, second light source subassembly and second determine module can be normal, and conveniently carry and accomodate.

In addition, the outer wall of the first shell 1 is further provided with a switch button 15 for switching on and off a power supply circuit of the control circuit board, and the switch button 15 is electrically connected with the control circuit board so as to realize the switching function of the biological test paper detection device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A biological strip testing device is characterized by comprising a first shell and a second shell which is detachably assembled to the first shell; the first shell is provided with a detection slot position for containing biological test paper to be detected, a first light source component and a first detection component are arranged below the detection slot position, and the first detection component receives light rays which are emitted by the first light source component and reflected by the biological test paper to be detected; the second casing facial make-up is equipped with the second light source subassembly to when the second casing assembles first casing, the second light source subassembly with the position of detecting the trench corresponds, and first detection subassembly receives by the second light source subassembly send and see through wait to detect the light of biological test paper.

2. The device of claim 1, further comprising a control circuit board disposed in the first housing, wherein the control circuit board is electrically connected to the first light source assembly, the second light source assembly, and the first detecting assembly; the control circuit board is provided with a power supply circuit, and the first light source assembly, the second light source assembly and the first detection assembly are respectively powered by the power supply circuit of the control circuit board.

3. The device for testing biological indicator paper according to claim 2, wherein the first housing is provided with a female plug fixing member electrically connected to the control circuit board, the second housing is provided with a male plug fixing member adapted to the female plug fixing member, and the male plug fixing member is electrically connected to the second light source assembly; the second shell is assembled with the first shell in a mode that the male plug fixing piece is inserted into the female plug fixing piece, and the second light source assembly is in conductive connection with the control circuit board through the male plug fixing piece and the female plug fixing piece.

4. The device for testing biological test paper according to claim 3, wherein the first housing is provided with a limiting slot arranged along the plugging direction of the female plug fixing member, and the limiting slot is matched with the main body part of the second housing; when the second shell is assembled to the first shell in a mode that the male plug fixing piece is matched with the female plug fixing piece, the limiting groove positions the main body part of the second shell in a limiting and fixing mode;

5. The device for testing biological test paper according to claim 3, wherein the second housing is further provided with a second testing component, the second testing component is adjacent to the second light source component, and the second testing component is electrically connected to the control circuit board through the male plug fixing member and the female plug fixing member and powered by a power supply circuit of the control circuit board;

6. The biological strip testing device of claim 5, wherein the first and/or second testing component comprises a photodetector; the first light source assembly comprises a first LED lamp group, a second LED lamp group and a third LED lamp group, and the first LED lamp group, the second LED lamp group and the third LED lamp group are powered by the power supply circuit to respectively emit light rays with different wavelengths.

7. The device for detecting biological test paper according to claim 6, wherein the second light source assembly comprises a fourth LED lamp set, a fifth LED lamp set and a sixth LED lamp set, the fourth LED lamp set emits light with the same wavelength as the first LED lamp set, the fifth LED lamp set emits light with the same wavelength as the second LED lamp set, and the sixth LED lamp set emits light with the same wavelength as the third LED lamp set;

8. The biological strip testing device of any one of claims 5-7, wherein the first and/or second testing component comprises a color detector; the first light source assembly and the second light source assembly comprise seventh LED lamp sets, and the seventh LED lamp sets are powered by the power supply circuit to emit white light.

9. The device for detecting biological test paper according to claim 5, wherein the first and/or second detecting assembly comprises a plurality of photodetectors and a plurality of filtering members respectively disposed on the photodetectors, and light emitted from the first and second light source assemblies is irradiated to the photodetectors through the corresponding filtering members; the first light source assembly and the second light source assembly comprise eighth LED lamp sets, and the eighth LED lamp sets are powered by the power supply circuit to emit white light.

10. The device according to claim 2, wherein the device comprises an energy storage battery disposed in the first housing, and the energy storage battery is electrically connected to the control circuit board and supplies power to the power supply circuit;