Detection device for measuring nickel layer thickness and alloy layer thickness of nickel-plated plate

Abstract

The utility model discloses a detection device for measuring the thickness of a nickel layer and the thickness of an alloy layer of a nickel-plated plate, and belongs to the field of electrochemical measurement devices. According to the utility model, the sample is used as the anode, the nickel-plated layer is dissolved in the hydrochloric acid electrolyte through constant current, and the potential of the pure nickel layer, the alloy layer and the steel base is different from that of the reference electrode, so that the change of the potential of the sample along with time in the sample electrolysis process is recorded through a computer; the time required for complete dissolution of the pure nickel layer and the alloy layer can be obtained, the required electric quantity is calculated, and the pure nickel amount, the alloy nickel amount and the total nickel amount are calculated according to the Faraday law. The detection device for measuring the thickness of the nickel layer and the thickness of the alloy layer of the nickel-plated plate is accurate in detection result, can greatly reduce the detection cost, and has a good market prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of detection devices for measuring the thickness of nickel layer and alloy layer of nickel-plated plate, belong to electrochemical measuring device field. BACKGROUND

[0002] Nickel-plated plate has very wide application, mainly including enhancing corrosion resistance, improving aesthetic, enhancing hardness and wear resistance, as primer coating preventing base material migration and the like. Nickel-plated plate has important application in multiple fields, such as automobile industry, electronic equipment, chemical equipment and the like.

[0003] Detecting the thickness of nickel-plated plate is to ensure product quality, improve product performance, optimize production cost control and promote technological innovation and upgrading. By accurately measuring the thickness of nickel-plated plate, the corrosion resistance, electrical conductivity, wear resistance and other properties of the product can be guaranteed, thereby prolonging the service life and improving economic benefits.

[0004] The detection device for measuring the thickness of nickel layer and alloy layer of nickel-plated plate is currently the most cost-effective measurement means. The commonly used nickel layer thickness and alloy layer thickness measurement on the market uses a glow discharge spectrometer for measurement. This spectrometer is expensive, and the cost of daily detection of nickel-plated plate production will increase significantly. Therefore, it is urgent to develop a detection device for measuring the thickness of nickel layer and alloy layer of nickel-plated plate. SUMMARY

[0005] To solve at least one of the above problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of detection device for measuring the thickness of nickel layer and alloy layer of nickel-plated plate, including reaction structure and control display end, wherein reaction structure includes electrolytic cell and storage tank, wherein electrolytic cell includes cathode sheet, anode stylus, reference electrode, sealing ring, electrolytic cell connecting rod, electrolytic cell locking device, liquid inlet, electrolytic cell liquid outlet, connecting line;Wherein storage tank includes liquid inlet, liquid outlet, liquid feeding pump, pump liquid port, connecting line;Control display end includes control host computer and computer, wherein control host computer includes direct current constant current power supply, liquid feeding pump power supply;Wherein computer is used for software control.

[0007] In one embodiment, the detection device for measuring the thickness of nickel layer and alloy layer of nickel-plated plate electrolytic cell reference electrode connecting line, anode connecting line, electrolytic cell liquid outlet and storage tank liquid inlet are connected, anode connecting line, cathode connecting line, reference electrode connecting line and control host computer are connected, and electrolytic cell locking device and electrolytic cell connecting rod are connected.

[0008] In one embodiment, the detection device for measuring the thickness of nickel layer and alloy layer of nickel-plated plate storage tank pump liquid port and liquid feeding pump liquid inlet are connected, and liquid feeding pump liquid outlet and electrolytic cell liquid inlet are connected.

[0009] In one embodiment, the control host of the detection device for measuring the thickness of the nickel layer and the alloy layer of a nickel-plated plate is connected to a computer.

[0010] In one embodiment, the working principle of this utility model is as follows: the sample is placed in the electrolytic cell, the clamping handle is pushed to clamp the sample, the power switch of the liquid addition pump is turned on, the electrolyte fills the electrolytic cell, the power switch of the liquid addition pump is turned off, the test is started through computer software, the instrument starts measuring, after the electrolysis is completed, the clamping handle is opened, the sample is taken out, and the thickness of the nickel layer and the alloy layer are calculated according to the electrolysis curve and Faraday's law.

[0011] Advantages of this utility model:

[0012] This invention uses a sample as the anode and a constant current to dissolve the nickel plating layer in a hydrochloric acid electrolyte. Since the pure nickel layer, alloy layer, and steel substrate have different potentials compared to the reference electrode, the change in sample potential over time is recorded by computer. This allows for the calculation of the time required for complete dissolution of the pure nickel layer and alloy layer, and the calculation of the required amount of electricity. The amount of pure nickel, alloy nickel, and total nickel can then be determined using Faraday's law. This invention provides an accurate measuring device for the thickness of the nickel and alloy layers on nickel-plated plates, significantly reducing testing costs and demonstrating promising market prospects. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a testing device for measuring the thickness of the nickel layer and the alloy layer of a nickel-plated plate. Detailed Implementation

[0014] The following is a detailed description of this utility model.

[0015] Example 1

[0016] like Figure 1 As shown, this utility model provides a testing device for measuring the thickness of the nickel layer and the alloy layer of a nickel-plated plate. It includes an electrolytic cell equipped with a cathode plate and connecting wires, an anode pin and connecting wires, a reference electrode and connecting wires, a sealing ring, an electrolytic cell connecting rod, an electrolytic cell locking device, a liquid inlet, and a liquid outlet; a storage tank equipped with a liquid inlet and a liquid outlet, a liquid inlet pump, and a pump outlet; a control unit equipped with a DC constant current power supply, a liquid inlet pump power supply, and a computer for software control.

[0017] The sealing ring is installed into the electrolytic cell opening.

[0018] The outlet of the electrolytic cell is connected to the inlet of the storage tank.

[0019] The anode connection line, cathode connection line, and reference electrode connection line are connected to the control host.

[0020] The storage tank pump inlet is connected to the liquid inlet of the liquid addition pump.

[0021] The outlet of the liquid addition pump is connected to the inlet of the electrolytic cell.

[0022] The electrolytic cell locking device is connected to the electrolytic cell connecting rod.

[0023] The control host is connected to the computer.

[0024] The outlet of the electrolytic cell is connected to the storage tank.

[0025] The liquid pump is connected to the power supply.

[0026] The control unit is connected to the power supply.

[0027] The computer is connected to a power source.

[0028] The working principle of this utility model:

[0029] Place the sample into the electrolytic cell, press the clamping handle to compress the sample, turn on the power switch of the liquid addition pump, fill the electrolytic cell with electrolyte, turn off the power switch of the liquid addition pump, click the "Measurement Start" button on the computer software, and the instrument will start measuring. After electrolysis is completed, open the clamping handle, take out the sample, and calculate the thickness of the nickel layer and the alloy layer according to the electrolysis curve and Faraday's law.

[0030] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the claims.

Claims

1. A testing device for measuring the thickness of the nickel layer and the alloy layer of a nickel-plated plate, characterized in that, The device includes a reaction structure and a control display terminal. The reaction structure includes an electrolytic cell and a storage tank. The electrolytic cell includes a cathode plate and connecting wires, an anode pin and connecting wires, a reference electrode and connecting wires, a sealing ring, an electrolytic cell connecting rod, an electrolytic cell locking device, a liquid inlet, and an electrolytic cell outlet. The storage tank includes a liquid filling port, a liquid drain port, a liquid filling pump, and a pump outlet. The control display terminal includes a control host and a computer. The control host includes a DC constant current power supply and a liquid filling pump power supply. The computer is used for software control. The reference electrode connecting line, anode connecting line, and outlet of the electrolytic cell are connected to the inlet of the storage tank. The anode connecting line, cathode connecting line, and reference electrode connecting line are connected to the control host. The electrolytic cell locking device is connected to the electrolytic cell connecting rod. The storage tank pump inlet is connected to the liquid inlet of the liquid addition pump, and the liquid outlet of the liquid addition pump is connected to the liquid inlet of the electrolytic cell. The control host is connected to a computer.

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