CN216525400U

CN216525400U - Handheld detection equipment

Info

Publication number: CN216525400U
Application number: CN202121666868.7U
Authority: CN
Inventors: 王盛发; 杨彬; 张荣宝
Original assignee: Xiamen Haihongxing Instrument Co ltd
Current assignee: Xiamen Haihongxing Instrument Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-05-13
Anticipated expiration: 2031-07-21

Abstract

The utility model provides a handheld detection device, which comprises a shell, wherein an optical detection assembly, a driving assembly, a power supply, a control unit and a clamping groove are arranged in the shell; the side surface of the shell is provided with a socket, the clamping groove is arranged in the shell in a sliding mode and can extend out of or retract into the shell from the socket, and the driving assembly is in transmission connection with the clamping groove to drive the clamping groove to slide; the optical detection assembly is positioned above the clamping groove and comprises a fluorescence detection assembly for detecting a fluorescence card and a colloidal gold detection assembly for detecting a colloidal gold card; the fluorescence detection assembly, the colloidal gold detection assembly and the driving assembly are all connected with the control unit. The utility model can detect colloidal gold cards and fluorescent cards, thereby greatly improving the detection efficiency; and the whole structure is portable and light, which greatly facilitates the detection work of detection personnel and can be widely applied to the occasions of edible agricultural product supply, processing, supervision and the like.

Description

Handheld detection equipment

Technical Field

The utility model relates to the technical field of food safety detection, in particular to handheld detection equipment.

Background

The existing food safety detection laboratory usually adopts a colloidal gold method or an immunofluorescence method to detect various physicochemical data, and common instruments comprise a colloidal gold card reader, an immunofluorescence analyzer and the like.

In the prior art, one detection device can only detect colloidal gold card/fluorescent card, and the use is limited, so that two detection instruments are usually equipped in a laboratory, and the use cost is high. Meanwhile, the existing detection equipment is large in size, heavy and inconvenient to carry, and is not beneficial to on-site acquisition, analysis and detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handheld detection device, which aims to solve the problems that two instruments are usually arranged in a laboratory to read colloidal gold and fluorescence respectively due to inconsistent detection methodologies of the colloidal gold and the fluorescence, so that the use cost is high, and the carrying is inconvenient.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is that the handheld detection equipment comprises a shell, wherein an optical detection assembly, a driving assembly, a power supply, a control unit and a clamping groove are arranged in the shell; a socket is arranged on the side face of the shell, the clamping groove is arranged in the shell in a sliding mode and can extend out of or retract into the shell from the socket, the driving assembly is in transmission connection with the clamping groove to drive the clamping groove to slide, the optical detection assembly is located above the clamping groove and comprises a fluorescence detection assembly for detecting a fluorescence card and a colloidal gold detection assembly for detecting a colloidal gold card; the fluorescence detection assembly, the colloidal gold detection assembly and the driving assembly are all connected with the control unit.

Preferably, the driving assembly comprises a screw rod, a stepping motor and a microswitch, the stepping motor is fixed in the shell and is in transmission connection with the clamping groove through the screw rod, and the stepping motor is connected with the power supply through the microswitch.

Preferably, the optical detection assembly further comprises a detection base for accommodating the fluorescence detection assembly and the colloidal gold detection assembly.

Preferably, the fluorescence detection assembly comprises a first light source emitting device for emitting fluorescence detection light source and a first light source receiving device for receiving reflected light, and the light outlet of the first light source emitting device and the light inlet of the first light source receiving device are both arranged towards the card slot; the colloidal gold detection assembly comprises a second light source emitting device and a second light source receiving device, the second light source emitting device is used for emitting a colloidal gold detection light source, the second light source receiving device is used for receiving reflected light, and a light outlet of the second light source emitting device and a light inlet of the second light source receiving device face the clamping groove.

Preferably, the first light source emitting device comprises a fluorescent lamp, and the first light source receiving device comprises the fluorescent sensor; the second light source emitting device comprises a colloidal gold lamp, and the second light source receiving device comprises a colloidal gold sensor.

Preferably, the first light source emitting device further includes a fluorescent light filter disposed between the fluorescent light and the card slot, and the emitted light passes through the fluorescent light filter and then irradiates the card slot from the light outlet; the first light source receiving device also comprises a fluorescence sensor optical filter arranged between the fluorescence sensor and the clamping groove, and reflected light is received by the fluorescence sensor after passing through the fluorescence sensor optical filter from a light inlet; the second light source emitting device also comprises a colloidal gold lamp optical filter arranged between the colloidal gold lamp and the clamping groove, and emitted light irradiates the clamping groove from the light outlet after passing through the colloidal gold lamp optical filter; the second light source receiving device further comprises a colloidal gold sensor optical filter arranged between the colloidal gold sensor and the clamping groove, and reflected light passes through the colloidal gold sensor optical filter through the light inlet and is received by the colloidal gold sensor.

Preferably, an elastic sheet for fixing the detection card is arranged in the clamping groove; and a clamping groove sealing plug corresponding to the clamping groove is arranged on the outer side of the shell.

Preferably, the shell is further provided with a display assembly, and the display assembly is connected with the optical detection assembly, the control unit and the power supply; still be provided with intelligent pronunciation subassembly in the casing, intelligent pronunciation subassembly with optical detection subassembly, the control unit is connected with the power.

Preferably, the casing includes an upper cover and a bottom casing, the display assembly is disposed above the upper cover, the control unit is disposed below the upper cover, the power supply is disposed on the control unit, and the clamping groove, the optical detection assembly and the driving assembly are disposed in the bottom casing.

Preferably, a wrist strap is arranged outside the bottom shell.

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

1. the utility model realizes that two detection cards can be detected by adopting one detection device through the optical detection assembly integrating two detection modes (fluorescence detection and colloidal gold detection), thereby effectively reducing the detection hardware cost and greatly improving the detection efficiency; and the detection result is more accurate and has high repeatability. In addition, the optical detection component is designed to be very small, and the whole handheld detection device is light and portable and is very suitable for field detection.

2. The automatic in-and-out bin of the detection card is driven by the driving assembly, so that the detection efficiency is further improved.

3. According to the utility model, through the design of the elastic sheet, the tightness of the whole structure of the handheld detection equipment is increased, and the condition that the use is influenced by dust deposition outside the clamping groove caused by not using the equipment for a long time is avoided through the clamping groove sealing plug.

4. According to the utility model, the detection result can be directly checked on the display component, and the display component can also be operated by a touch screen, so that the method is simpler and more convenient; the utility model also has an intelligent voice component which can input control command by microphone voice.

5. According to the utility model, by combining the wrist strap, a detector can directly wear the wrist strap on the wrist, so that the portability is further improved.

Drawings

FIG. 1 is a perspective view of a hand-held test device according to an embodiment;

FIG. 2 is a side view of a hand-held test device according to an embodiment;

FIG. 3 is a complete machine assembly diagram of the hand-held detection device according to the embodiment;

FIG. 4 is an enlarged partial view of the ellipse indicated by the A-mark shown in FIG. 3;

FIG. 5 is a cross-sectional view along AA' shown in FIG. 4;

fig. 6 is a cross-sectional view taken along the direction BB' shown in fig. 4.

Reference numerals:

10-shell, 11-upper cover, 12-bottom shell, 120-socket, 1200-card slot, 1201-card slot sealing plug, 1202-spring plate, 121-intelligent voice component, 13-power supply, 14-main control board, 15-fixing piece, 16-charging interface, 17-sealing plug, 18-guide rail and 180-limiting part; 19-a camera; 20-optical detection component, 21-detection base, 220-fluorescent lamp, 221-fluorescent lamp filter, 222-fluorescent sensor filter, 223-fluorescent sensor, 230-colloidal gold lamp, 231-colloidal gold sensor; 30-a driving assembly, 31-a screw rod, 32-a stepping motor and 33-a microswitch; 40-a display component; 50-a wristband; 60-test card.

Detailed Description

The utility model proposes a new solution, which is described in detail below with reference to the accompanying drawings for a clearer representation.

Referring to fig. 1 to 6, the present embodiment provides a handheld detection device, which includes a housing 10, wherein an optical detection assembly 20, a driving assembly 30, a power supply 13, a control unit (including a main control board 14 and a signal processing board) and a card slot 1200 are disposed in the housing 10, and both the optical detection assembly 20 and the driving assembly 30 are connected to the control unit.

In this embodiment, the side of the housing 10 is provided with the socket 120, the slot 1200 is slidably disposed in the housing 10 and can extend out of or retract into the housing 10 from the socket 120, and the driving assembly 30 is in driving connection with the slot 1200 to drive the slot 1200 to slide.

Specifically, drive assembly 30 drives card slot 1200 to extend out of housing 10 from socket 120, facilitating the placement of test card 60 by a test person. After the test card 60 is placed, the test operation starts, the optical test module 20 starts the test, and the driving module 30 drives the card slot 1200 to retract into the housing 10 from the socket 120. After the detection operation, the optical detection assembly 20 transmits the detection information to a signal processing board (not shown in the figure) disposed on the detection base 21, and the signal processing board performs photoelectric conversion and then transfers the data to the main control board 14.

According to the utility model, the detection card 60 can automatically enter and exit the warehouse through the driving assembly 30, so that the detection efficiency is further improved. The driving assembly 30 comprises a screw rod 31, a stepping motor 32 and a microswitch 33, the stepping motor 32 is fixed in the shell 10, the screw rod 31 is in transmission connection with the clamping groove 1200, and the stepping motor 32 is connected with the power supply 13 through the microswitch 33.

Specifically, after the stepping motor 32 is powered on, the screw rod 31 drives the card slot 1200 to automatically go out of the warehouse, after the detection card 60 is placed in the card slot 1200, the screw rod 31 drives the card slot 1200 to automatically go into the warehouse and simultaneously the detection work is started, and the detection card 60 moves in the shell 10 to be detected. After the detection is finished, the screw rod 31 drives the clamping groove 1200 to automatically take out, and the detection card 60 moves to the position of the socket 120, so that a sample is conveniently taken away.

It should be noted that, in this embodiment, the screw rod 31 is in transmission connection with the slot 1200, and in other embodiments, a gear rack or other transmission structure capable of converting the rotational motion of the stepping motor 32 into a linear motion may be used for an alternative design.

In this embodiment, the width of draw-in groove 1200 is slightly greater than the width that ordinary detected the card 60, is provided with the shell fragment 1202 that is used for fixed detection card 60 in the draw-in groove 1200, combines the design of shell fragment 1202, can accurately adjust the fixed position that detects the card 60, guarantees that the relative detection distance of the detection card 60 of different sizes is unanimous for portable check out test set can be applicable to the detection card 60 of different sizes, has broken the limitation that current equipment can only read the test paper of same size.

In this embodiment, a card slot sealing plug 1201 corresponding to the card slot 1200 is disposed on the outer side of the housing 10, so that the situation that dust is accumulated on one side of the card slot 1200 close to the housing 10 after the device is not used for a long time can be avoided.

It should be noted that, in this embodiment, only one detection channel (i.e., one card slot 1200) is provided for the portability of the handheld detection device, and in other embodiments, a plurality of card slots 1200 may be provided to implement multi-channel detection. Preferably, the number of the optical detection assemblies 20 and the number of the driving assemblies 30 are equal to the number of the card slots 1200.

In this embodiment, the slot 1200 is installed on the guide rail 18, so that the tightness of the connection of the whole structure of the device is improved, and the slot 1200 is prevented from sliding out of the housing 10 when being automatically taken out of the warehouse by the limit part 180 on the guide rail 18 and the housing 10 in limit fit. That is, the slot 1200 extends out of the socket 120 from the housing 10 until the limiting member 180 is attached to the housing 10 to form a limiting position, and the slot 1200 cannot move outward.

In this embodiment, optical detection subassembly 20 is located draw-in groove 1200 top, and optical detection subassembly 20 is including the fluorescence detection subassembly that is used for detecting the fluorescence card and the colloidal gold detection subassembly that is used for detecting the colloidal gold card, has realized through having integrateed two kinds of detection methods that adopt a check out test set just can detect two kinds of detection cards 60, has effectively reduced and has detected the hardware cost, has promoted detection efficiency greatly. Moreover, the optical detection assembly 20 of the present invention is very small and exquisite, and the whole handheld detection device is light and portable, and is very suitable for field detection.

In the present embodiment, the fluorescence detection assembly includes a first light source emitting device for emitting a fluorescence detection light source and a first light source receiving device for receiving reflected light, and a light outlet (light outlet of incident light) of the first light source emitting device and a light inlet (light inlet of reflected light) of the first light source receiving device are both disposed toward the card slot 1200; preferably, the incident light path is perpendicular to the card slot 1200, and the angle between the reflected light path and the incident light path is 45 degrees.

In this embodiment, the gold colloid detection assembly includes a second light source emitting device for emitting a gold colloid detection light source and a second light source receiving device for receiving reflected light, and both a light outlet (a light outlet of incident light) of the second light source emitting device and a light inlet (a light inlet of reflected light) of the second light source receiving device are disposed toward the card slot 1200. Preferably, the incident light path is perpendicular to the card slot 1200, and the angle between the reflected light path and the incident light path is 45 degrees.

In this embodiment, the first light source emitting device includes a fluorescent lamp 220 and a fluorescent lamp filter 221, the fluorescent lamp filter 221 is disposed between the fluorescent lamp 220 and the card slot 1200, and the emitted light passes through the fluorescent lamp filter 221 and then irradiates the detection card 60 in the card slot 1200 through the light outlet; the first light source receiving device includes a fluorescence sensor 223 and a fluorescence sensor filter 222, the fluorescence sensor filter 222 is disposed between the fluorescence sensor 223 and the card slot 1200, and the reflected light is received by the fluorescence sensor 223 after passing through the fluorescence sensor filter 222 from the light inlet.

The second light source emitting device includes a colloidal gold lamp 230 and a colloidal gold lamp filter (similar to the fluorescent lamp filter 221, and they can be referred to each other), and the emitted light passes through the colloidal gold lamp filter and then irradiates the detection card 60 in the card slot 1200 from the light outlet; the second light source receiving device includes a colloidal gold sensor 231 and a colloidal gold sensor filter (similar to the fluorescent sensor filter 222, and they can be referred to each other), and the reflected light is received by the colloidal gold sensor 231 after passing through the colloidal gold sensor filter through the light inlet.

In this embodiment, the optical signals received by the fluorescence sensor 223 and the colloidal gold sensor 231 are transmitted to the signal processing board on the detection base 21 for photoelectric conversion, and then transmitted to the main control board 14.

In this embodiment, the display device 40 includes a liquid crystal display and a touch panel, and is disposed on the housing 10 and connected to the optical detection device 20, the main control panel 14 and the power supply 13, so as to implement touch screen operation and display of a detection result. It should be noted that, for simplicity of operation, the lightweight display component 40 of the portable detection device in this embodiment includes a liquid crystal screen and a touch screen, and in other embodiments, other manners, such as a key control manner, may also be adopted.

In this embodiment, an intelligent voice component 121 is further disposed in the housing 10, and the intelligent voice component 121 is connected to the optical detection component 20, the main control board 14 and the power supply 13. Preferably, the smart voice module 121 includes a speaker and a voice input/output interface, and is capable of broadcasting the detection result by voice and operating the device by inputting a control command by voice through a microphone.

In this embodiment, the housing 10 includes an upper cover 11 and a bottom case 12, the display assembly 40 is disposed above the upper cover 11, the main control board 14 is disposed below the upper cover 11, the power supply 13 is disposed on the main control board 14, and the card slot 1200, the optical detection assembly 20 and the driving assembly 30 are disposed in the bottom case 12.

Preferably, a fixing member 15 is further disposed between the upper cover 11 and the main control panel 14, and is used for fixing the display assembly 40 and the main control panel 14, so as to improve stability of the internal structure of the device.

In this embodiment, the wrist band 50 is provided below the casing 10, which further improves the portability of the apparatus.

In this embodiment, the casing 10 is further provided with a camera 19, and the camera 19 is connected with the detection assembly 20, the main control board 14, the display assembly 40 and the power supply 13, and is used for scanning the two-dimensional code/barcode, so that the information of the detection card 60 can be automatically input, and the detection efficiency is improved while the error of manually input information is avoided.

In this embodiment, the fixing member 15 is further provided with a charging interface 16 and a sealing plug 17. The charging interface 16 is used to charge the power supply 13. Preferably, the power supply 13 is a lithium battery, and after the lithium battery is fully charged, the endurance of the equipment can reach more than 12 hours.

In this embodiment, the sealing plug 17 is used to protect the side hole of the device from dust or damage.

Although the present invention has been described in detail in the foregoing embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model.

Claims

1. A handheld detection device is characterized by comprising a shell, wherein an optical detection assembly, a driving assembly, a power supply, a control unit and a clamping groove are arranged in the shell;

a socket is arranged on the side surface of the shell, the clamping groove is slidably arranged in the shell and can extend out of or retract into the shell from the socket, and the driving component is in transmission connection with the clamping groove to drive the clamping groove to slide;

the optical detection assembly is positioned above the clamping groove and comprises a fluorescence detection assembly for detecting a fluorescence card and a colloidal gold detection assembly for detecting a colloidal gold card;

the fluorescence detection assembly, the colloidal gold detection assembly and the driving assembly are all connected with the control unit.

2. The hand-held test device of claim 1, wherein: the driving assembly comprises a screw rod, a stepping motor and a microswitch, the stepping motor is fixed in the shell and is in transmission connection with the clamping groove through the screw rod, and the stepping motor is connected with the power supply through the microswitch.

3. The hand-held test device of claim 1, wherein: the optical detection assembly further comprises a detection base used for accommodating the fluorescence detection assembly and the colloidal gold detection assembly.

4. The hand-held test device of claim 3, wherein: the fluorescence detection assembly comprises a first light source emitting device for emitting fluorescence detection light source and a first light source receiving device for receiving reflected light, and the light outlet of the first light source emitting device and the light inlet of the first light source receiving device are both arranged towards the card slot;

the colloidal gold detection assembly comprises a second light source emitting device and a second light source receiving device, the second light source emitting device is used for emitting a colloidal gold detection light source, the second light source receiving device is used for receiving reflected light, and a light outlet of the second light source emitting device and a light inlet of the second light source receiving device face the clamping groove.

5. The hand-held test device of claim 4, wherein: the first light source emitting device comprises a fluorescent lamp, and the first light source receiving device comprises a fluorescent sensor; the second light source emitting device comprises a colloidal gold lamp, and the second light source receiving device comprises a colloidal gold sensor.

6. The hand-held test device of claim 5, wherein: the first light source emitting device also comprises a fluorescent lamp optical filter arranged between the fluorescent lamp and the clamping groove, and emitted light irradiates the clamping groove from the light outlet after passing through the fluorescent lamp optical filter; the first light source receiving device also comprises a fluorescence sensor optical filter arranged between the fluorescence sensor and the clamping groove, and reflected light is received by the fluorescence sensor after passing through the fluorescence sensor optical filter from a light inlet;

the second light source emitting device also comprises a colloidal gold lamp optical filter arranged between the colloidal gold lamp and the clamping groove, and emitted light irradiates the clamping groove from the light outlet after passing through the colloidal gold lamp optical filter; the second light source receiving device further comprises a colloidal gold sensor optical filter arranged between the colloidal gold sensor and the clamping groove, and reflected light passes through the colloidal gold sensor optical filter through the light inlet and is received by the colloidal gold sensor.

7. The hand-held test device of claim 1, wherein: an elastic sheet for fixing the detection card is arranged in the clamping groove; and a clamping groove sealing plug corresponding to the clamping groove is arranged on the outer side of the shell.

8. The hand-held test device of claim 1, wherein: the shell is also provided with a display assembly, and the display assembly is connected with the optical detection assembly, the control unit and the power supply; still be provided with intelligent pronunciation subassembly in the casing, intelligent pronunciation subassembly with optical detection subassembly, the control unit is connected with the power.

9. The hand-held test device of claim 8, wherein: the shell comprises an upper cover and a bottom shell, the display assembly is arranged above the upper cover, the control unit is arranged below the upper cover, the power supply is arranged on the control unit, and the clamping groove, the optical detection assembly and the driving assembly are all arranged in the bottom shell.

10. The hand-held test device of claim 9, wherein: and a wrist strap is arranged outside the bottom shell.