CN214585061U

CN214585061U - Electrochemical sensor testing device

Info

Publication number: CN214585061U
Application number: CN202120189409.8U
Authority: CN
Inventors: 董青龙; 李冠华; 李强华; 颜丹
Original assignee: Shenzhen Refresh Intelligent Technology Co ltd
Current assignee: Shenzhen Refresh Biosensor Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-02
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an electrochemical sensor testing device, which comprises a testing host, an electrode holder, a container and an upper cover which are matched with each other; the test host is fixedly arranged at the upper part of the upper cover, the electrode holder is fixedly arranged at the lower part of the upper cover, and the test host is electrically connected with the electrode holder through a lead; the technical scheme reduces the occupied space of the whole testing device, shortens the length of a lead between the testing host and the testing electrode, reduces signal attenuation and improves detection precision.

Description

Electrochemical sensor testing device

Technical Field

The utility model relates to a sensor manufacturing technology field, concretely relates to electrochemical sensor testing arrangement.

Background

In electrochemical experiments, test electrodes coated with catalysts with different components are usually required to be inserted into electrolyte solutions with various proportions for testing, and the components and proportions of the catalysts and the electrolytes are adjusted and improved by collecting and analyzing signal currents of the test electrodes.

In an electrochemical experiment, a large amount of data acquisition and analysis are required, and the existing test method comprises the following steps: a tester is connected with a group of test electrodes through a signal wire, and the test electrodes are placed in a beaker filled with electrolyte solution; the test electrodes are provided with a plurality of groups, the surfaces of the test electrodes of each group are coated with catalysts with different proportions, and reaction enzymes can be used in a bioelectrochemistry experiment; testing the testing electrodes by group by testing personnel, and adjusting the proportion and the concentration of the electrolyte solution in time in the testing process; each set of test electrodes needs to be reacted in the electrolyte solution for a certain time to obtain continuous, valid test data.

The testing process has low efficiency, and if a plurality of groups of testing electrodes are required to be tested in parallel, a plurality of devices are required to be purchased, so that the research and development investment is increased. In addition, the testing personnel need to manually record the testing data in real time, the work is complicated, and errors are easy to occur.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides an electrochemical sensor testing arrangement, this testing arrangement will tester, test electrode's connecting seat and electrolyte container carry out the integration to can detect multiunit test electrode simultaneously.

An electrochemical sensor testing device comprises a testing host, an electrode holder, a container and an upper cover, wherein the container and the upper cover are matched with each other;

the test host is fixedly arranged at the upper part of the upper cover, the electrode holder is fixedly arranged at the lower part of the upper cover, and the test host is electrically connected with the electrode holder through a lead;

according to the technical scheme, the test host and the electrode holder are respectively integrated on the upper part and the lower part of the upper cover, so that the length of a lead between the tester and the test electrode in the background technical scheme is shortened, the signal attenuation caused by the lead is reduced, and the detection precision is improved;

compared with the prior art, the occupied space of the whole testing device is reduced.

Preferably, the lower part of the upper cover is provided with a bonding pad for connecting the electrode holder, the bonding pad is electrically connected with the test host through a wire inside the upper cover and is connected through a wire inside the upper cover body, the wiring distance between the test host and the test electrode is further reduced, and the signal attenuation is reduced;

in addition, the design is convenient for replacing the electrode seat.

Preferably, the test host is electrically connected with m electrode holders, wherein m is more than or equal to 1 and is a natural number;

according to the requirement, the testing electrode can be designed to be that a positive electrode and a negative electrode are integrated on a small plate, and the middle of the testing electrode is blocked by an insulating substance; it is also possible that a set of test electrodes comprises two separate platelets, a positive and a negative; it is also possible that a set of test electrodes comprises 4 platelets, with 4 platelets in groups, wherein the test data of one group is used as reference data and the test data of the other group is compared with the reference data; an electrode seat is inserted or clamped with a small plate.

Preferably, the number of the test hosts is n, wherein n is more than or equal to 2, n is a natural number, and the upper cover integrates a plurality of test hosts and can simultaneously detect a plurality of groups of test electrodes;

each test host is electrically connected with the m electrode holders respectively.

Preferably, the inner space of the container is divided longitudinally into n compartments;

the n spacing cavities are arranged in one-to-one correspondence with the n test hosts;

electrolyte solutions with different proportions can be injected into different spacing cavities, and the test electrodes connected with each test host machine work in the corresponding spacing cavities.

Preferably, the body of the upper cover is provided with an injection hole;

the injection holes are arranged corresponding to the spacing cavities, and at least one injection hole corresponds to the upper part of each spacing cavity;

the injection hole is mainly used for filling electrolyte solution including distilled water for dilution during work;

in addition, the detection electrode and the electrolyte solution generate gas when in electrochemical reaction, and the injection hole also plays a role of exhausting gas.

Preferably, the compartments are divided by longitudinally and longitudinally extending partition plates made of glass or semi-permeable membranes;

glass is used as a partition plate, and different tests can be carried out on each partition cavity;

the use of a semi-permeable membrane as a spacer can be used to detect the permeability of the semi-permeable membrane to a particular solution.

Preferably, a WIFI module or a Bluetooth module is arranged in the test host and used for remotely sending the detection data.

Preferably, the bottom of the electrode holder is provided with an electrode slot or an electrode clamp.

Preferably, the material of the container is glass or ceramic, so as to avoid the container from reacting with the electrolyte solution.

The utility model has the advantages that: an electrochemical sensor testing device comprises a testing host, an electrode holder, a container and an upper cover, wherein the container and the upper cover are matched with each other; the test host is fixedly arranged at the upper part of the upper cover, the electrode holder is fixedly arranged at the lower part of the upper cover, and the test host is electrically connected with the electrode holder through a lead; the technical scheme reduces the occupied space of the whole testing device, shortens the length of a lead between the testing host and the testing electrode, reduces signal attenuation and improves detection precision.

Drawings

The electrochemical sensor testing device of the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is an assembly diagram of an embodiment of a single test host of an electrochemical sensor testing device according to the present invention.

Fig. 2 is an exploded view of an embodiment of a single test host of the electrochemical sensor testing apparatus of the present invention.

Fig. 3 is an assembly diagram of an embodiment of a dual test host of the electrochemical sensor testing device of the present invention.

Fig. 4 is an exploded view of an embodiment of a dual test mainframe of an electrochemical sensor testing device according to the present invention.

Fig. 5 is a diagram of the combination of the bonding pad and the electrode holder of the present invention.

In the figure:

1-test host, 2-electrode holder, 3-container, 31-clapboard, 4-upper cover, 41-bonding pad, 42-injection hole and 01-test electrode.

Detailed Description

The following describes the electrochemical sensor testing device of the present invention with reference to fig. 1 to 5.

An electrochemical sensor testing device comprises a testing host machine 1, an electrode seat 2, a container 3 and an upper cover 4 which are matched with each other;

the testing host machine 1 is fixedly arranged at the upper part of the upper cover 4, the electrode seat 2 is fixedly arranged at the lower part of the upper cover 4, and the testing host machine 1 is electrically connected with the electrode seat 2 through a lead;

the upper layer of the upper cover 4 is a circuit board which is provided with a printed circuit for communicating the test host 1 and the electrode holder 2, and the printed circuit is provided with a power supply circuit for supplying power to the test host.

As shown in fig. 5, the lower portion of the upper cover 4 is provided with a pad 41 for connecting the electrode holder 2, and the pad 41 is electrically connected to the test mainframe 1 through a wire inside the upper cover 4.

The utility model provides an embodiment of a single test host, as shown in the attached figures 1-2, a test host 1 is arranged in the middle of the upper part of an upper cover 4, two electrode holders 2 are arranged on the lower part of the upper cover 4, and one electrode 01 is respectively inserted into the two electrode holders 2;

in this embodiment, the container 3 has only one interior chamber.

In this embodiment, the body of the upper cover 4 is provided with a large through hole and a small through hole, wherein the large through hole is an injection hole 42, the small through hole is used for exhausting air, and the small through hole can be eliminated when the gas volatilized from the reaction of the electrode and the electrolyte solution is less;

the diameter of the injection hole 42 is controlled between 5mm and 10mm, so that electrolyte solution is conveniently filled, and the electrolyte solution in the container 3 is prevented from splashing.

In the embodiment, a WIFI module or a Bluetooth module is arranged in the test host 1;

the embodiment is a test component of an electrochemical sensor test system, data sent by a test host 1 can be accessed to a remote server, a detection scheme can be set and adjusted in the remote server, and the data can be backed up and stored, so that experimenters do not need to perform manual statistics.

In this embodiment, the bottom of the electrode holder 2 is provided with an electrode slot or an electrode clamp, and the selection of the electrode slot or the electrode clamp is mainly determined by the electrode structure adopted by the experimenter.

In this embodiment, the material of the container 3 is glass or ceramic.

The utility model also provides an embodiment of a double test host, as shown in the attached figures 3-4, the upper part of the upper cover 4 is provided with two test hosts 1, the lower part of the upper cover 4 is provided with 4 electrode holders 2, and each two of the 4 electrode holders 2 are connected with one test host 1;

in this embodiment, the internal space of the container 3 is longitudinally divided into two compartments, which correspond to the two test hosts 1, respectively, and the compartments are divided by a partition plate 31 extending longitudinally, and the partition plate 31 is made of glass or a semi-permeable membrane;

the side walls of the container 3 have symmetrical slots for insertion of the partition 31, and the container 3 is of a single-chamber construction when the partition 31 is not inserted.

In this embodiment, the body of the upper cover 4 is provided with three injection holes 42, two injection holes 42 located at two sides are respectively used for injecting electrolyte solution into the corresponding compartments, and the injection hole 42 located in the center is used for injecting electrolyte solution when the partition plate 31 is drawn out;

when the semi-permeable membrane is used as a separator material, two sheet glass frames can be added, the semi-permeable membrane is clamped between the two sheet glass frames, and then the semi-permeable membrane separator with the glass frames is inserted into the slot;

in this embodiment, a WIFI module or a bluetooth module is disposed in the test host 1;

In this embodiment, the material of the container 3 is glass or ceramic.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The electrochemical sensor testing device is characterized by comprising a testing host (1), an electrode holder (2), a container (3) and an upper cover (4) which are matched with each other;

the testing host machine (1) is fixedly arranged on the upper portion of the upper cover (4), the electrode seat (2) is fixedly arranged on the lower portion of the upper cover (4), and the testing host machine (1) is electrically connected with the electrode seat (2) through a lead.

2. The electrochemical sensor testing device according to claim 1, wherein the lower portion of the upper cover (4) is provided with a pad (41) for connecting the electrode holder (2), and the pad (41) is electrically connected with the test host (1) through a wire inside the upper cover (4).

3. The electrochemical sensor testing device according to claim 2, wherein the testing host (1) is electrically connected with m electrode holders (2), wherein m is greater than or equal to 1, and m is a natural number.

4. The electrochemical sensor testing device according to claim 3, wherein the number of the test hosts (1) is n, wherein n is greater than or equal to 2, and n is a natural number;

each test host (1) is electrically connected with the m electrode holders (2).

5. The electrochemical sensor testing device according to claim 4, wherein the inner space of the container (3) is divided longitudinally into n compartments;

the n spacing cavities are arranged in one-to-one correspondence with the n test hosts (1).

6. The electrochemical sensor testing device according to claim 5, wherein the body of the upper cover (4) is provided with an injection hole (42);

the injection holes (42) are arranged corresponding to the compartments, and at least one injection hole (42) is arranged above each compartment.

7. The electrochemical sensor testing device according to claim 5, wherein the compartments are divided by a longitudinally extending partition (31), and the material of the partition (31) is glass or a semi-permeable membrane.

8. The electrochemical sensor testing device according to claim 1, wherein a WIFI module or a bluetooth module is disposed in the testing host (1).

9. The electrochemical sensor testing device according to claim 1, wherein the bottom of the electrode holder (2) is provided with an electrode slot or an electrode clamp.

10. The electrochemical sensor testing device according to claim 1, wherein the material of the container (3) is glass or ceramic.