CN218382517U - Electrochemical detection equipment - Google Patents

Abstract

The application discloses electrochemistry check out test set relates to electrochemistry detection technical field, and it includes two electrodes of being connected with the positive pole of power and negative pole electricity respectively, including system piece platform, be used for placing the slice product examine test table and with the control cabinet that the electrode electricity is connected, system piece bench is provided with the suppression subassembly that is used for suppressing the product powder into the piece, the electrode sets up examine test table is last, the electrode sets up to the column, and its length direction sets up along vertical direction, two the terminal surface that the electrode is close to each other is laminated with the both ends activity of slice product respectively, the electrode is kept away from another one side activity of electrode is provided with the balancing weight, it is used for ordering about to examine test bench the balancing weight is close to or is kept away from the drive assembly of the direction motion of electrode. The application has the effect of improving the problem that the electrochemical property detection error of product powder is large because the pressure conditions at two ends of the product powder are difficult to control.

Description

Electrochemical detection equipment

Technical Field

The application relates to the technical field of electrochemical detection, in particular to electrochemical detection equipment.

Background

In the manufacturing process of some powder materials, in order to control the purity and the dryness of the materials, the powder materials are sampled in the manufacturing process, then the samples are sent to analyze the electrochemical properties of the powder materials, and finally the dryness of the powder materials is obtained by comparing the electrochemical properties of the powder products with the electrochemical property curve of a standard sample.

In the related art, an electrochemical detection device is used for detecting the electrochemical properties of product powder, and comprises a workbench, a negative electrode arranged on the workbench, a sample placing cylinder sleeved on the negative electrode and a positive electrode arranged in the sample placing cylinder, wherein the workbench is provided with a cylinder for driving the positive electrode to move towards a direction close to or far away from the negative electrode. When the electrochemical properties of the product powder need to be tested, the product powder is placed in the lofting cylinder, and then the air cylinder is started to push the positive electrode to move towards the direction close to the negative electrode, so that the positive electrode and the negative electrode respectively perform electrochemical property detection on the product powder at two ends of the product powder.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the positive electrode supports the product powder on the negative electrode through the cylinder, the product powder is unevenly distributed in the lofting cylinder, and gaps among product powder particles are large, so that when the electrochemical properties of different batches of product powder need to be measured, the pressure conditions on two ends of the product powder are difficult to control, and the detection error of the electrochemical properties of the product powder is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the detection error of the electrochemical property of product powder is large due to the fact that the pressure conditions on two ends of the product powder are difficult to control, the application provides electrochemical detection equipment.

The electrochemical detection equipment provided by the application adopts the following technical scheme:

the utility model provides an electrochemistry check out test set, includes two electrodes of being connected with the positive pole of power and negative pole electricity respectively, including system piece platform, be used for placing the slice product examine test table and with the control cabinet that the electrode electricity is connected, system piece bench is provided with the suppression subassembly that is used for suppressing the product powder into the piece, the electrode sets up examine test table is last, the electrode sets up to the column, and its length direction sets up along vertical direction, two the terminal surface that the electrode is close to each other is laminated with the both ends activity of slice product respectively, another is kept away from to the electrode one side activity of electrode is provided with the balancing weight, it is used for ordering about to examine test bench the balancing weight is towards being close to or keeping away from the drive assembly of the direction motion of electrode.

By adopting the technical scheme, when the product powder needs to be subjected to electrochemical detection, the product powder is firstly pressed into a sheet shape on the sheet making platform through the pressing assembly, then the sheet product is placed between the two electrodes, the balancing weight is driven through the driving assembly to be placed on the electrode, the electrode enables the sheet sample to be tightly propped against the other electrode under the pressure of the balancing weight, then the voltage between the two electrodes is adjusted through the control console, and thus the electrochemical properties of the samples of different batches are measured under constant pressure. After the product powder is pressed into tablets, the gaps among the product powder particles are small, and the product powder is tightly combined, so that the flaky sample can be uniformly stressed when pressure is applied to the flaky sample through the electrodes; the pressure applied by the balancing weight can be used for quantifying the pressure applied to the sheet sample by taking the mass of the balancing weight as a standard. Therefore, the problem that the detection error of the electrochemical property of the product powder is large due to the fact that the pressure conditions on two ends of the product powder are difficult to control is solved.

Optionally, the drive assembly is in including setting up the lift driving piece and the setting that detect on the platform the carrier sheet of the output of lift driving piece, offer on the carrier sheet and be used for the cover to establish the accommodation hole of balancing weight, the balancing weight is kept away from one side of detecting the platform mesa is provided with the anticreep piece, the anticreep piece is close to detect the terminal surface of platform mesa with the terminal surface activity butt of carrier sheet.

Through adopting above-mentioned technical scheme, order about the balancing weight when placing on the electrode as needs, start the lift driving piece, the carrier plate descends, the balancing weight descends to the electrode under the action of gravity, continue to order about the carrier plate and descend to the anti-drop piece and move to no longer contact with the carrier plate, thereby accomplish the process of placing of balancing weight, because the quality of balancing weight can be confirmed, thereby be convenient for control electrode to support the pressure condition of tight slice sample, it is difficult to control to improve the pressure condition that product powder both ends received, lead to the big problem of electrochemical property detection error of product powder.

Optionally, the bearing piece is cylindrical, the balancing weights are arranged in multiple numbers, the balancing weights are arranged along the circumferential direction of the bearing piece, the quality of the balancing weights is different, the output end of the lifting driving piece is fixedly provided with a rotating driving piece, and the bearing piece is coaxially fixed at the output end of the rotating driving piece.

Through adopting above-mentioned technical scheme, for detecting same batch slice sample electrochemical properties under different pressures, order about to rotate the driving piece and rotate, then start the lift driving piece to suppress the balancing weight suppression of different masses on the electrode and detect slice sample's electrochemical properties, thereby convenient detection is at the electrochemical properties of slice dress sample under different pressures.

Optionally, be fixed with the bracing piece on detecting the bench, the length direction of bracing piece sets up along vertical direction, is located the slice sample and keeps away from detect bench mesa one side the electrode is followed the length direction of bracing piece goes up and down to set up on the bracing piece, it is used for supporting to be located the slice sample and keeps away from to detect bench mesa one side the support elastic component of electrode, works as the balancing weight is not arranged in when on the electrode, be located the slice sample and keep away from detect bench mesa one side the electrode is laminated with slice product terminal surface.

Through adopting above-mentioned technical scheme, when needs carry out the measuring of electrochemistry nature to the slice sample, order about the electrode along the bracing piece towards the direction motion of keeping away from the detection platform mesa, then place the slice sample between two electrodes, the electrode that is located the slice sample and keeps away from detection platform mesa one side descends under the action of gravity, when the electrode descends to laminating with slice sample terminal surface, the gravity that the electrode received reaches the equilibrium with the elasticity that supports the elastic component, thereby be convenient for when calculating the pressure of suppression on the slice sample, avoid as far as possible because the interference of electrode and electric wire produces the error, the accuracy degree of reading the pressure that the slice sample received has been improved.

Optionally, the electrode is sleeved with an insulating sleeve, two end face openings of the insulating sleeve, which are close to each other, are arranged, and the electrode extends to the outside of the insulating sleeve from the opening of the insulating sleeve.

By adopting the technical scheme, when the balancing weight is placed on the motor, the balancing weight is placed on the electrode through the insulating sleeve, on one hand, the insulating sleeve buffers the balancing weight, and the electrode is prevented from being damaged by the balancing weight as much as possible; on the other hand, the insulating sleeve avoids the balancing weight from directly contacting with the electrode as much as possible, thereby avoiding the balancing weight from interfering with the current on the electrode as much as possible and improving the accuracy of the electrochemical performance detection of the flaky sample.

Optionally, one side of the insulation sleeve, which is located on one side of the sheet product, far away from the detection table top is provided with a limiting cylinder for placing the balancing weight.

Through adopting above-mentioned technical scheme, when needs place the balancing weight on the electrode, align balancing weight and a spacing section of thick bamboo, then put into a spacing section of thick bamboo with the balancing weight to make the balancing weight place the same in the position on the electrode when measuring at every turn, avoided as far as possible because the position is placed the inhomogeneous condition of pressure that the nonconformity leads to the electrode to take place, improved the stability to slice sample detection.

Optionally, it is a plurality of the material and the cross sectional shape of balancing weight are all unanimous, just week side of balancing weight with the activity of the interior perisporium of a spacing section of thick bamboo is laminated, and is a plurality of the balancing weight is all inconsistent along the ascending length dimension in vertical direction.

Through adopting above-mentioned technical scheme, shape of cross section and material through controlling a plurality of balancing weights are all unanimous, change the length of balancing weight, thereby realize that the quality of a plurality of balancing weights is different, when the balancing weight that shape of cross section is the same is pegged graft in spacing section of thick bamboo, the lateral wall of balancing weight and the laminating of the inside wall of spacing section of thick bamboo, thereby be convenient for when detecting the slice sample of same material of different batches the position that the control balancing weight was placed is unchangeable, the measuring error because environmental factor causes in the testing process has been reduced.

Optionally, the pressing assembly comprises a lower die block arranged on the tablet making table for placing the product powder, an upper die block for pressing the product powder into tablets, and a linear driving member for driving the upper die block to move towards or away from the lower die block.

Through adopting above-mentioned technical scheme, when needs carry out the preforming to product powder, place product powder in lower module, then start linear driving piece, linear driving piece orders about the module and moves to pressing into the flakiness sample with product powder towards the direction that is close to lower module to convenient completion product powder's preforming process makes the inseparable combination of product powder granule piece with product powder preforming, thereby the homogeneity when having improved product powder and bearing pressure, the pressure that receives on the verge of control.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the product powder needs to be subjected to electrochemical detection, firstly, the product powder is pressed into a sheet shape on a sheet making table through a pressing assembly, then the sheet-shaped product is placed between two electrodes, a balancing weight is driven by a driving assembly to be placed on the electrodes, the electrodes enable the sheet-shaped sample to be tightly pressed on the other electrode under the pressure of the balancing weight, and then the voltage between the two electrodes is adjusted through a control table, so that the electrochemical properties of samples in different batches are measured under constant pressure, and the problem that the pressure conditions on two ends of the product powder are difficult to control, and the detection error of the electrochemical properties of the product powder is large is solved;

2. in order to detect the electrochemical properties of the same batch of flaky samples under different pressures, the rotary driving part is driven to rotate, and then the lifting driving part is started, so that the clump weights with different masses are pressed on the electrodes to detect the electrochemical properties of the flaky samples, and the electrochemical properties of the flaky samples under different pressures can be conveniently detected;

3. when electrochemical properties of the flaky sample are required to be detected, the electrode is driven to move along the supporting rod towards the direction away from the table top of the detection table, then the flaky sample is placed between the two electrodes, the electrode located on one side, away from the table top of the detection table, of the flaky sample descends under the action of gravity, when the electrode descends to be attached to the end face of the flaky sample, the gravity borne by the electrode and the elastic force of the supporting elastic part reach balance, so that when the pressure pressed on the flaky sample is calculated, errors caused by interference of the electrode and an electric wire are avoided as far as possible, and the accuracy of reading the pressure borne by the flaky sample is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view showing a sample placing column, a sample placing ring, an electrode, an insulating sheath, a limiting cylinder, a supporting rod, an extension rod and a supporting elastic member in the embodiment of the present application.

Reference numerals: 1. a sheet making table; 2. a detection table; 3. a console; 4. a sealing cover; 5. a sealing door; 6. pressing the assembly; 61. a lower module; 62. an upper module; 63. a linear drive; 7. a drive assembly; 71. a lifting drive member; 72. a carrier sheet; 8. a pressure sensing stage; 9. a humidity sensor; 10. a temperature sensor; 11. a humidifier; 12. placing a sample column; 13. placing a sample ring; 14. an anti-drop sheet; 15. rotating the driving member; 16. a balancing weight; 17. an accommodation hole; 18. an electrode; 19. an insulating sleeve; 20. a limiting cylinder; 21. an extension pole; 22. a support bar; 23. a support elastic member; 24. a sliding groove; 25. a separator.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an electrochemical detection device. Referring to fig. 1 and 2, an electrochemical detection device comprises a sheet making table 1, a detection table 2 and a control table 3, wherein the sheet making table 1 and the detection table 2 are integrally formed and are parallel and level to the table surface, the control table 3 is fixed on one side of the side surface of the parallel and level of the sheet making table 1 and the detection table 2, a sealing cover 4 is covered on the sheet making table 1 and the detection table 2, the sealing cover 4 is rectangular, and a partition plate 25 is fixed at the junction of the sheet making table 1 and the detection table 2 by the sealing cover 4. The side opening setting of sealed cowling 4 and 3 homonymies of control cabinet articulates on the sealed cowling 4 has two open-ended sealing door 5 that are used for the lid to establish sealed cowling 4, and two sealing door 5 are located baffle 25 both sides respectively. Be provided with the suppression subassembly 6 that is used for pressing the product powder into the piece on the system piece platform 1, it is provided with two electrodes 18 with the anodal and negative pole electricity of power respectively to examine test table 2, control cabinet 3 is used for controlling the voltage between two electrodes 18, electrode 18 sets up to the ladder column, and its length direction sets up along vertical direction, the terminal surface that two electrodes 18 are close to each other is laminated with the both ends activity of slice product respectively, one side activity that another electrode 18 was kept away from to electrode 18 is provided with balancing weight 16, it is used for ordering about balancing weight 16 towards the drive assembly 7 of the direction motion of being close to or keeping away from electrode 18 to examine test table 2 and be provided with.

In order to reduce the influence of environmental factors on the measurement result of the sheet-like sample, referring to fig. 1, a humidity sensor 9, a humidifier 11 and a temperature sensor 10 electrically connected to the console 3 are fixed on the inner wall of the sealing cover 4 on the side of the partition 25 close to the detection table 2. When the electrochemical properties of the sheet sample need to be detected, the temperature and humidity data detected by the temperature sensor 10 and the humidity sensor 9 are transmitted to the console 3, and when the environmental temperature data and the humidity data are relatively stable in a range close to the previous sheet sample, the detection can be carried out.

Referring to fig. 1, the pressing assembly 6 includes a lower block 61 provided on the tablet making table 1 for placing product powder, an upper block 62 for pressing the product powder into tablets, and a linear driving member 63 for driving the upper block 62 to move in a direction to approach or move away from the lower block 61. In this application embodiment, be fixed with the pressure sensing platform 8 of being connected with control cabinet 3 electricity on the film making platform 1, lower module 61 is fixed on pressure sensing platform 8, the die cavity that lower module 61 and last module 62 combination formed sets up to cylindric for the sheet sample of press forming is the disk form, linear drive spare 63 sets up to the pneumatic cylinder, the pneumatic cylinder body is located the one side that film making platform 1 was kept away from to sealed cowling 4, the hydraulic stem of pneumatic cylinder wears to establish sealed cowling 4 and last module 62 fixed connection. When the product powder is required to be pressed into a tablet, each batch of product powder with equal mass is put into the lower module 61 in batches, the hydraulic cylinder is started, the hydraulic cylinder drives the upper module 62 to move towards the direction close to the lower module 61, when the upper module 62 presses the powder into the tablet, the pressure on the pressure sensing table 8 can be observed through the control table 3, and when the pressure value on the pressure sensing table 8 reaches a preset value, the hydraulic cylinder is stopped to be driven, so that the tablet making process of the sample powder is completed.

In other application embodiments, the cavity formed by combining the upper module 62 and the lower module 61 may also be in the shape of a quadrangular prism, a pentagonal prism, or a hexagonal prism, and the linear driving member 63 may be set as a threaded rod screwed on the sealing cover 4, the threaded rod is rotatably connected with the upper module 62, and when sample powder needs to be pressed into a tablet, the threaded rod is rotated, so that the upper module 62 moves to be matched with the lower module 61, and the sample powder is pressed into a tablet.

Referring to fig. 1 and 2, a sample placing column 12 is fixed on the detection platform 2, a sample placing ring 13 is coaxially fixed on the end surface of the sample placing column 12 far away from the detection platform 2, the inner diameter of the sample placing ring 13 is consistent with the diameter of the sheet sample, an electrode 18 positioned on one side of the sheet sample close to the detection platform 2 is coaxially embedded in the sample placing column 12, and one end of the electrode far away from the detection platform 2 extends into the sample placing ring 13. The side of the sample placing table, which is far away from the partition plate 25, on the detection table 2 is fixed with a support rod 22, and the length direction of the support rod 22 is arranged along the vertical direction. The side of the support rod 22 close to the sample placing column 12 is provided with a sliding groove 24, the length direction of the sliding groove 24 is arranged along the vertical direction, the sliding groove 24 is connected with an extension rod 21 in a sliding manner, and one end of the extension rod 21 far away from the support rod 22 is fixedly connected with an electrode 18 positioned on one side of the table top of the detection table 2, away from the flaky sample. Detect and be provided with on the platform 2 and be used for supporting the support elastic component 23 that is located the electrode 18 that the slice sample kept away from detection platform 2 mesa one side, support elastic component 23 can be spring or elastic expansion cylinder, support elastic component 23 preferred spring in this application embodiment, the flexible direction of spring along vertical direction setting, and the spring setting in sliding groove 24, spring one end with detect platform 2 fixed connection other end and extension rod 21 and be located the one end fixed connection of sliding groove 24.

In order to reduce the influence of environmental factors on the conductivity of the electrode 18, referring to fig. 2, the electrode 18 is sleeved with an insulating sleeve 19, end face openings of the two insulating sleeves 19 close to each other are arranged, and the electrode 18 extends from the opening of the insulating sleeve 19 to the outside of the insulating sleeve 19. An insulating sleeve 19 positioned on one side of the sheet sample close to the detection table 2 is embedded in the sample preparation column, and an electric wire of the electrode 18 penetrates through the insulating sleeve 19 and is electrically connected with the control cylinder. The material of the insulating sleeve 19 may be provided as ceramic, mica or rubber, and in the present embodiment the insulating sleeve 19 is made of a rubber material.

In order to facilitate the placement of the weight 16 on the electrode 18, referring to fig. 2, a limiting cylinder 20 for placing the weight 16 is disposed on one side of the insulating sleeve 19, which is located on one side of the sheet product away from the table top of the detection table 2, and away from the table top of the detection table 2. Spacing section of thick bamboo 20 sets up with being located the insulating cover 19 integrated into one piece that the mesa one side of examining test table 2 was kept away from to the slice product, and spacing section of thick bamboo 20 and balancing weight 16 all set up to cylindricly, and spacing section of thick bamboo 20, electrode 18 and slice sample all set up coaxially.

When the flaky sample needs to be detected, firstly, the electrode 18 is driven to slide along the length direction of the supporting rod 22, then the flaky sample is placed in the sample placing ring 13, the flaky sample is abutted to the electrode 18 at the bottom of the flaky sample, the electrode 18 at the top of the flaky sample moves to be attached to the end face of the flaky sample under the action of the spring, and at the moment, the gravity of the electrode 18, the insulating sleeve 19 and the limiting cylinder 20 is balanced with the elastic force of the spring.

To facilitate the placement of the weight 16 in the position limiting cylinder 20, referring to fig. 1 and 2, the driving assembly 7 includes a lifting driving member 71 disposed on the detection table 2 and a bearing sheet 72 disposed at an output end of the lifting driving member 71. The lifting driving member 71 may be a cylinder, a hydraulic cylinder or a linear motor, and in the embodiment of the present application, the lifting driving member 71 is configured as a cylinder, and the cylinder is electrically connected to the console 3. The bearing sheet 72 is provided with a containing hole 17 for sleeving the balancing weight 16, one side of the balancing weight 16, which is far away from the table top of the detection table 2, is provided with an anti-release sheet 14, and the end face of the anti-release sheet 14, which is close to the table top of the detection table 2, is movably abutted against the end face of the bearing sheet 72. The anti-falling piece 14 and the balancing weight 16 are integrally formed, and the anti-falling piece 14 and the balancing weight 16 are made of inert materials, so that the variation error of the total mass is reduced.

For further being convenient for carry out the measuring of electrochemistry nature to the slice sample under different pressure, refer to fig. 1, the shape of bearing piece 72 sets up to cylindric, balancing weight 16 is provided with a plurality ofly, the material and the cross sectional shape of a plurality of balancing weights 16 are all unanimous, and the week side of balancing weight 16 and the interior perisporium activity laminating of spacing section of thick bamboo 20, a plurality of balancing weights 16 are all unanimous along the ascending length dimension of vertical side, a plurality of balancing weights 16 evenly lay along the circumference of bearing piece 72. The output end of the lifting driving member 71 is fixedly provided with a rotating driving member 15, and the bearing sheet 72 is coaxially fixed at the output end of the rotating driving member 15. The rotation driving part 15 can be a servo motor and also can be a rotation cylinder, in the embodiment of the application, the rotation driving part 15 is set to be the rotation cylinder, the rotation cylinder is electrically connected with the control console 3, and the output end of the rotation cylinder is coaxially fixed with the bearing sheet 72.

When the balancing weight 16 placed on the electrode 18 needs to be replaced, firstly, the cylinder is started to move towards the direction far away from the table top of the detection table 2, the bearing sheet 72 drives the anti-falling sheet 14 and the balancing weight 16 to move to the position far away from the limiting barrel 20, then the rotary cylinder is started, the output end of the rotary cylinder drives the bearing sheet 72 to rotate to the target balancing weight 16 and align to the limiting barrel 20, then the cylinder is started to move towards the direction near the table top of the detection table 2 to the position near the balancing weight 16 in the limiting barrel 20, when the balancing weight 16 abuts against the insulating sleeve 19, and the anti-falling sheet 14 and the bearing sheet 72 do not abut against each other, the cylinder is closed.

The implementation principle of an electrochemical detection device in the embodiment of the application is as follows: the product powder is first placed in the lower module 61 and the upper module 62 is driven to tablet the product powder. Then, the prepared sheet-shaped sample is placed in the sample placing ring 13, and finally the bearing sheet 72 is rotated to align the counterweight block 16 with the limiting cylinder 20 and drive the bearing sheet 72 to move towards the direction close to the detection platform 2 until the anti-falling sheet 14 is not abutted to the bearing sheet 72. The voltage between the two electrodes 18 is regulated on the console 3 and the electrochemical properties of the sheet sample are detected.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An electrochemical detection device comprising two electrodes (18) electrically connected to a positive and a negative pole of a power supply, respectively, characterized in that: including system piece platform (1), be used for placing the slice product examine test table (2) and with control cabinet (3) that electrode (18) electricity is connected, be provided with on system piece platform (1) and be used for suppressing the suppression subassembly (6) into the piece with the product powder, electrode (18) set up examine on test table (2), electrode (18) set up to the column, and its length direction sets up along vertical direction, two the terminal surface that electrode (18) are close to each other is laminated with the both ends activity of slice product respectively, another is kept away from in electrode (18) one side activity of electrode (18) is provided with balancing weight (16), it is used for ordering about to be provided with on examining test table (2) balancing weight (16) towards being close to or keeping away from the drive assembly (7) of the direction motion of electrode (18).

2. An electrochemical detection device according to claim 1, wherein: drive assembly (7) are in including setting up lift driving piece (71) and the setting on examining test table (2) the carrier sheet (72) of the output of lift driving piece (71), offer on carrier sheet (72) and be used for the cover to establish the accommodation hole (17) of balancing weight (16), balancing weight (16) are kept away from examine one side of test table (2) mesa and be provided with anticreep piece (14), anticreep piece (14) are close to examine the terminal surface of test table (2) mesa with the terminal surface activity butt of carrier sheet (72).

3. An electrochemical detection device according to claim 2, wherein: the bearing piece (72) is cylindrical, a plurality of balancing weights (16) are arranged, the balancing weights (16) are arranged along the circumferential direction of the bearing piece (72), the quality of the balancing weights (16) is different, a rotating driving piece (15) is fixedly arranged at the output end of the lifting driving piece (71), and the bearing piece (72) is coaxially fixed at the output end of the rotating driving piece (15).

4. An electrochemical detection device according to claim 3, wherein: it is fixed with bracing piece (22) on test table (2) to examine, the length direction of bracing piece (22) sets up along vertical direction, is located the slice sample and keeps away from examine test table (2) mesa one side electrode (18) are followed the length direction of bracing piece (22) goes up and down to set up on bracing piece (22), it is used for supporting to be located the slice sample and keeps away from to examine test table (2) mesa one side support elastic component (23) of electrode (18), work as balancing weight (16) are not arranged in when electrode (18) are gone up, be located the slice sample and keep away from examine test table (2) mesa one side electrode (18) and the laminating of slice product terminal surface.

5. An electrochemical detection device according to claim 3, wherein: the electrode (18) is sleeved with an insulating sleeve (19), two end faces of the insulating sleeves (19) close to each other are provided with openings, and the electrode (18) extends to the outside of the insulating sleeve (19) from the opening of the insulating sleeve (19).

6. An electrochemical detection device according to claim 5, wherein: an insulation sleeve (19) which is positioned on one side of the sheet product far away from the table top of the detection table (2) is far away from one side of the table top of the detection table (2) and is provided with a limiting barrel (20) used for placing the balancing weight (16).

7. An electrochemical detection device according to claim 6, wherein: it is a plurality of the material and the cross sectional shape of balancing weight (16) are all unanimous, just week side of balancing weight (16) with the activity laminating of the internal perisporium of spacing section of thick bamboo (20), it is a plurality of length dimension on vertical direction is all inconsistent along balancing weight (16).

8. An electrochemical detection device according to claim 1, wherein: the pressing assembly (6) comprises a lower module (61) arranged on the tablet making table (1) and used for placing product powder, an upper module (62) used for pressing the product powder into tablets, and a linear driving piece (63) used for driving the upper module (62) to move towards the direction close to or away from the lower module (61).

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