CN214668758U

CN214668758U - Hand-held type heavy metal detector

Info

Publication number: CN214668758U
Application number: CN202022879463.3U
Authority: CN
Inventors: 孙绍文; 战艺芳; 胡金伟; 陈明杰; 李正; 姚琪; 郑思洁; 李婷婷; 李宝喜
Original assignee: Wuhan Academy of Agricultural Sciences
Current assignee: Wuhan Academy of Agricultural Sciences
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-09
Anticipated expiration: 2030-12-04

Abstract

The utility model provides a hand-held type heavy metal detector, including detector body and cell-phone APP, the detector body includes control mainboard and shell, control mainboard and cell-phone APP communication connection, be equipped with on the shell with display screen, interface panel and the electrolysis agitating unit that the control mainboard is connected, including probe, activation liquid cup, platen and roating seat in the electrolysis agitating unit and for detachable construction. The detector is small in size, simple in structure and convenient to store and carry.

Description

Hand-held type heavy metal detector

Technical Field

The utility model relates to a chemical analysis equipment technical field, concretely relates to hand-held type heavy metal detector.

Background

Anodic Stripping Voltammetry (ASV), invented in the twenties of the 20 th century, is an electrochemical analysis method in which metal ions to be measured are partially reduced to metal at a certain potential and precipitated on the surface of an electrode, then a reverse voltage is applied to the electrode to oxidize the metal on the electrode to generate an oxidation current, and analysis is performed according to a current-voltage curve in the oxidation process. The method has the advantages of high measurement speed and low detection limit, and can be used for qualitative and quantitative analysis of multiple metal elements simultaneously.

The screen-printed electrode (SPE) is also called thick film electrode, including working electrode, reference electrode and auxiliary electrode, and is an electrochemical sensor prepared by using thick film integrated circuit process. The surface of the working electrode is often immobilized with recognition molecules: enzymes, antibodies, or nucleic acids, etc. Screen-printed electrodes typically have an Ag/AgCl layer as a reference electrode. The main advantages of the screen printing technology include: the design is flexible, the printing process is easy to realize automatic mass production, the use is convenient, the reproducibility is good, and the printing ink is suitable for various materials and the like.

The conventional portable heavy metal detector adopting the silk-screen electrode is large in size and inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a hand-held type heavy metal detector, its stability is high, light and handy portable, can realize the on-the-spot short-term test to multiple heavy metal ion.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

the utility model provides a hand-held type heavy metal detector, includes detector body and cell-phone APP, the detector body includes control mainboard and shell, control mainboard and cell-phone APP communication connection, be equipped with on the shell with display screen, interface panel and the electrolysis agitating unit that the control mainboard electricity is connected, electrolysis agitating unit includes probe, activation liquid cup, platen and roating seat, the platen is fixed just install the connector socket on the shell, the roating seat inlays to be established on the platen, the one end of probe be equipped with the connector plug that the connector socket matches, activation liquid cup set up in the cavity of roating seat.

Preferably, in the above technical solution, a magnetic material plate is mounted on a side surface of the probe, and a magnet plate is provided on the platen.

Preferably, in the above technical solution, an electrode plate socket for inserting an electrode is provided at the other end of the probe; more preferably, the electrode is a screen-printed electrode.

Preferably, in the above technical solution, the housing is provided with a groove, the platen is fixed at the bottom of the groove, and the housing is hinged with a flip cover for covering the electrolytic stirring device.

Preferably, in the above technical solution, the detector body further includes a battery, a rotating electrical machine, and a buzzer, which are electrically connected to the control main board.

The utility model has the advantages that: the mode that the detector body is combined with the mobile phone APP is adopted, and the communication module of the detector is utilized to send sample data acquired by the electrolytic stirring device to the mobile phone APP for analysis and result output, so that the structural complexity of the detector is reduced; the structure also adopts a flip design and a pluggable probe, so that the space is saved, and the portability of the detector is greatly improved.

Drawings

FIG. 1 is a schematic view of the structure of the detector body of the present invention;

FIG. 2 is a schematic structural view of the electrolytic stirring device in FIG. 1;

fig. 3 is a schematic structural view of the probe in fig. 2.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only for the purpose of illustrating and explaining the present invention and not for the purpose of limiting the same

As shown in fig. 1 to 3, a handheld heavy metal detector comprises a detector body and a mobile phone APP, wherein the detector body is used for collecting and sending data to the mobile phone, and the mobile phone APP analyzes the data and gives a detection result; the detector body comprises a shell 1 and a control mainboard arranged inside the shell 1, wherein the shell is provided with a display screen 2, an interface panel 3, an electrolytic stirring device, a turnover cover 8 and keys, and the control mainboard is electrically connected with the display screen, the interface panel and the keys.

The electrolytic stirring device consists of a probe 4, an activating liquid cup 5, a bedplate 6 and a rotating seat 7, wherein the probe 4 is of a free-standing pluggable structure, one end of the probe 4 is provided with a connector plug 42, and the other end of the probe is provided with an electrode plate socket for fixing an electrode, and particularly, the probe 4 is L-shaped; the bedplate 6 is fixed on the shell 1, and the bedplate 6 is provided with a connector socket 61; when the probe works, the electrode is inserted into an electrode plate socket of the probe, the other end of the electrode plate socket is inserted into the bedplate 6, and the electrode is electrically connected with the control mainboard; when the probe 4 is taken down, the probe can be fixed on the detector body in a magnetic attraction manner, and the method specifically comprises the following steps: a magnetic material plate 41 is fixedly arranged on the side surface of the probe 4, and a magnet plate 62 is arranged on the bedplate 6; the probe 4 can also be fixed by other means, for example, a slot is provided on the inner side of the flip 8 for fixing the probe. The activation liquid cup 5 is used for containing activation liquid or liquid to be tested for activating the electrode, and when the electrode plate is used, the activation liquid cup 5 is placed in the cavity of the rotary seat 7 and is positioned below the electrode plate socket; the rotary seat 7 is embedded on the bedplate 6. In order to facilitate storage, a groove is arranged on the shell 1, and the bedplate 6 is fixed at the bottom of the groove; the shell 1 is hinged with a turnover cover 8 for covering the electrolytic stirring device.

This internal battery, bee calling organ and the rotating electrical machines that is connected with the control mainboard electricity that still is equipped with of detector, and the battery is used for providing the electric energy for the detector body, and the rotating electrical machines is connected with the roating seat and is used for controlling the rotation of roating seat, and this is prior art, and no longer gives details here.

When the electrode plate socket is used, one end of the working electrode is connected into the electrode plate socket to be fixed, and then the connector plug 41 is inserted into the connector socket 61, so that the probe 4 is fixed on the bedplate 6, and the working electrode is electrically connected with the control mainboard through the probe 4; the other end of the working electrode enters the activating liquid cup 5, the activating liquid cup 5 is placed in the cavity of the rotating seat 7, and the rotating seat 7 and the activating liquid cup 5 are driven by the rotating motor to rotate, so that the speed of enriching heavy metal ions to the working electrode can be increased, and the detection time can be shortened; the signal that working electrode gathered feeds back to the control mainboard through probe 4 on, the rethread control mainboard sends and carries out analysis processes for cell-phone APP. After the use, the probe 4 is pulled out and laid on the platen 6, the probe 4 is fixedly adsorbed on the platen 6 due to the adsorption effect of the magnetic material plate 41 and the magnetic plate 62, the liquid in the activating liquid cup 5 is poured, the flip cover 8 is closed, and the storage is completed.

The parts not described in the specification are prior art or common general knowledge. The present embodiment is only used for illustrating the present invention, and is not used for limiting the scope of the present invention, and modifications such as equivalent replacement made by those skilled in the art to the present invention are all considered to fall within the scope protected by the claims of the present invention.

Claims

1. The utility model provides a hand-held type heavy metal detector, its characterized in that, includes detector body and cell-phone APP, the detector body is including control mainboard and shell (1), control mainboard and cell-phone APP communication connection, be equipped with display screen (2), interface panel (3) and electrolysis agitating unit on shell (1), electrolysis agitating unit includes probe (4), activation liquid cup (5), platen (6) and roating seat (7), the one end of probe (4) is equipped with connector plug (41), platen (6) are fixed just be equipped with connector socket (61) on shell (1).

2. The hand-held heavy metal detector of claim 1, wherein the probe (4) is laterally provided with a magnetic material plate (42), and the bedplate (6) is provided with a magnetic plate (62).

3. The hand-held heavy metal detector of claim 1, wherein the other end of the probe (4) is provided with an electrode sheet socket for plugging an electrode.

4. The hand-held heavy metal detector of claim 3, wherein the electrode is a screen printed electrode.

5. The hand-held heavy metal detector according to claim 1, wherein a groove is formed in the housing (1), the platen (6) is fixed at the bottom of the groove, and a flip cover (8) for covering the electrolytic stirring device is hinged to the housing (1).

6. The hand-held heavy metal detector of claim 1, wherein a battery, a rotating motor and a buzzer are arranged in the detector body and electrically connected with the control main board.

7. The hand-held heavy metal detector according to claim 5, wherein the flip cover (8) is provided with a groove for fixing the probe (4).