CN202139321U - Electroplating device capable of automatically detecting control current density - Google Patents
Electroplating device capable of automatically detecting control current density Download PDFInfo
- Publication number
- CN202139321U CN202139321U CN201120198760U CN201120198760U CN202139321U CN 202139321 U CN202139321 U CN 202139321U CN 201120198760 U CN201120198760 U CN 201120198760U CN 201120198760 U CN201120198760 U CN 201120198760U CN 202139321 U CN202139321 U CN 202139321U
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- CN
- China
- Prior art keywords
- current density
- electroplating
- plating tank
- automatic detection
- control current
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides an electroplating device capable of automatically detecting the control current density, relates to the technical field of electroplating process, and aims to solve the difficulty in controlling a DC current required for electroplating in the prior art. The electroplating device comprises an electroplating tank and a DC power source, wherein a cathode metal cross beam for suspending a part required for electroplating and an anode metal cross beam for suspending a coated metal part are arranged above the electroplating tank. The utility model is characterized in that the electroplating device further comprises a current density meter which is arranged in the electroplating tank and used for detecting the density of currents in the electroplating tank and providing an automatic control signal to the DC power source. The current density of the electroplating tank is obtained by the current density meter during the electroplating process, so as to provide an automatic control signal to the DC power source required for electroplating. The electroplating device has a simple structure and is convenient to use.
Description
Technical field
The utility model relates to the electroplating technology technical field, refers more particularly in the electroplating technology process to measure in the electroplate liquid current density and to electroplating aspect the used direct supply control.
Background technology
At present, in electroplating technology, the current density mode of measuring in the electroplate liquid in the plating tank mainly contains three kinds: the one, utilize electromagnetic induction principle, and measure through the mode of hall device; The 2nd, measure through the mode that cathode bar directly inserts in the electroplate liquid; The 3rd, calculate the surface-area of plated body spare through meter after, calculate current density according to current value divided by the mode of surface-area.Existing first kind of mode measured used device and had complex structure, cost height; Second kind of used device of metering system, measuring accuracy is poor, and the depth of inserting in the electroplate liquid with device changes, and the contact surface respective change of device and electroplate liquid influences measuring result; The third mode calculation of complex, low precision, inefficiency is especially during the plated body spare of surface imperfection; Difficulty in computation is big, even is difficult to calculate, and can only rely on through difficult; Through eye-observation bubbling situation, estimate a current density value roughly, safety can't be protected.
In addition, in electroplating process, the control of electroplating used direct supply generally is to adopt MC; After the detected value of current density proofing unit, regulate direct supply, not only trivial operations through manual type; The waste of manpower resource, and it is untimely to regulate control.
Summary of the invention
In sum, the goal of the invention of the utility model is to have insufficient technological deficiency to having now in the electroplating process to electroplating required galvanic current control, and proposes a kind of electroplanting device with Automatic Detection and Control current density.
The technical scheme that adopts for the goal of the invention that realizes the utility model is: a kind of electroplanting device with Automatic Detection and Control current density; Include plating tank and direct supply; Above plating tank, be provided with the cathodic metal crossbeam and the anode metal crossbeam that is used to hang coated metal spare that are used to hang plated body spare; It is characterized in that: also include and be located in the plating tank, be used for detecting the current density of plating tank, and the current density design of automatic control signal is provided for direct supply.
Described current density design is suspended on the cathodic metal crossbeam through the metal suspension member, and the current signal output end of current density design is connected with the wave input terminus of direct supply, and the bottom of current density design places plating tank.
Described current density design includes a bar shaped sheet material; Be provided with more than one reometer in the upper end of bar shaped sheet material; The current signal output end of reometer is connected with the wave input terminus of direct supply; The position that said bar shaped sheet material is arranged in plating tank is provided with the conducting strip that being used for more than one sample to the electroplate liquid current density of plating tank, each a piece conducting strip and a corresponding connection of reometer.
Described bar shaped sheet material is pcb board.
The position that said bar shaped sheet material is arranged in plating tank is provided with three conducting strips, and three conducting strips are that upper, middle and lower are equally spaced.
Described conducting strip is corrosion resistant electro-conductive material.
Described conducting strip periphery is provided with the electric piece of robbing that directly is electrically connected with the negative electrode crossbeam.
Described conducting strip is that corrosion resistant electro-conductive material is titanium alloy or stainless steel.
Be equipped with reometer and conducting strip on the positive and negative two sides of described bar shaped sheet material upper end.
The beneficial effect of the utility model is: draws the current density in the electrolyzer in the electroplating process according to the current density pin, thereby an automatic control signal is provided for electroplating required direct supply, and simple in structure, easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the perspective view of the current density design of the utility model.
Fig. 3 is the block diagram of the utility model.
Fig. 4 is the schematic circuit diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing with enumerate a kind of embodiment the structure of the utility model done explanation further:
Shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4; The utility model comprises: a plating tank 1 and the direct supply 3 that the required electric current of electrolysis is provided for electroplating technology that is used for the splendid attire electroplate liquid; Above plating tank 1, be provided with the cathodic metal crossbeam 21 and the anode metal crossbeam 22 that is used to hang coated metal spare that are used to hang plated body spare, cathodic metal crossbeam 21 is installed in activity with anode metal crossbeam 22 and waves on the support.On cathodic metal crossbeam 21, be hung with a current density design 4.
Described current density design 4 includes a bar shaped sheet material 41; Be provided with three reometer 42 in the upper end of bar shaped sheet material 41; The current signal output end of reometer 42 is connected with the wave input terminus of direct supply 3; The position that said bar shaped sheet material 41 is arranged in plating tank is provided with three and is used for conducting strip 43 that the electroplate liquid current density of plating tank is sampled, each piece conducting strip 43 and the 42 corresponding connections of a reometer.Bar shaped sheet material 41 preferably adopts pcb board, and conducting strip 43 parts are exposed, and the remaining circuit on the pcb board is provided with insulation layer.If three reometers 42 and three purpose of the corresponding conducting strip 43 that connects respectively are to gather out the current density value that electroplate liquid in the plating tank 1 is in three different positionss in upper, middle and lower; Get its MV then; In the practical implementation process; Can certainly adopt more conducting strip 43, perhaps also can be a conducting strip 43 that connects a plurality of different positionss simultaneously.Because current density design 4 is to hang 44 through bar shaped sheet material 41 on cathodic metal crossbeam 21 through the metal suspension member; That is to say between current density design 4 and plated body spare to being connected in parallel; Therefore; The current value that records according to reometer 42 also just draws the current density value of unit surface divided by the area of conducting strip 43.During use; Conducting strip 43 is inserted in the electrolyzer 1 near the position the plated body spare; Be used for the electroplate liquid current density of plating tank 1 is sampled, the current signal output end of current density design 4 is connected with the wave input terminus of direct supply, and direct supply 3 just can be learnt the current density on plated body spare surface according to the current density value of unit surface; Thereby realize adjustment, realized the purpose of automatic control output current value.
Conveniently in order using on the both sides of plating tank 1, all to read current value, on the positive and negative two sides of bar shaped sheet material 4 upper ends, all the conducting strip of establishing reometer and being used for gathering the electroplate liquid current density can be arranged.
Conducting strip 43 is corrosion resistant electro-conductive material, and for example: electro-conductive materials such as titanium alloy, stainless steel when conducting strip 42 uses for some time, after the surface formation coating, for fear of influencing accuracy of detection, can be put in conducting strip 42 in hydrochloric acid or the nitric acid and remove coating.
In order further to improve the accuracy of detection of current density pin 4, be provided with the electric piece of robbing that directly is electrically connected at conducting strip 43 peripheries with the negative electrode crossbeam.Rob electric piece and make the electric current around the conducting strip 43 be directed equably, make measurement more accurate.
Claims (9)
1. electroplanting device with Automatic Detection and Control current density; Include plating tank and direct supply; Above plating tank, be provided with the cathodic metal crossbeam and the anode metal crossbeam that is used to hang coated metal spare that are used to hang plated body spare; It is characterized in that: also include and be located in the plating tank, be used for detecting the current density of plating tank, and the current density design of automatic control signal is provided for direct supply.
2. a kind of electroplanting device according to claim 1 with Automatic Detection and Control current density; It is characterized in that: described current density design is suspended on the cathodic metal crossbeam through the metal suspension member; The current signal output end of current density design is connected with the wave input terminus of direct supply, and the bottom of current density design places plating tank.
3. a kind of electroplanting device according to claim 2 with Automatic Detection and Control current density; It is characterized in that: described current density design includes a bar shaped sheet material; Be provided with more than one reometer in the upper end of bar shaped sheet material; The current signal output end of reometer is connected with the wave input terminus of direct supply; The position that said bar shaped sheet material is arranged in plating tank is provided with the conducting strip that being used for more than one sample to the electroplate liquid current density of plating tank, each a piece conducting strip and a corresponding connection of reometer.
4. a kind of electroplanting device with Automatic Detection and Control current density according to claim 3 is characterized in that: described bar shaped sheet material is pcb board.
5. a kind of electroplanting device with Automatic Detection and Control current density according to claim 3 is characterized in that: the position that said bar shaped sheet material is arranged in plating tank is provided with three conducting strips, and three conducting strips are that upper, middle and lower are equally spaced.
6. a kind of electroplanting device with Automatic Detection and Control current density according to claim 3 is characterized in that: described conducting strip is corrosion resistant electro-conductive material.
7. a kind of electroplanting device with Automatic Detection and Control current density according to claim 3 is characterized in that: described conducting strip periphery is provided with the electric piece of robbing that directly is electrically connected with the negative electrode crossbeam.
8. a kind of electroplanting device with Automatic Detection and Control current density according to claim 6 is characterized in that: described conducting strip is that corrosion resistant electro-conductive material is titanium alloy or stainless steel.
9. a kind of electroplanting device with Automatic Detection and Control current density according to claim 3 is characterized in that: be equipped with reometer and conducting strip on the positive and negative two sides of described bar shaped sheet material upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198760U CN202139321U (en) | 2011-06-14 | 2011-06-14 | Electroplating device capable of automatically detecting control current density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198760U CN202139321U (en) | 2011-06-14 | 2011-06-14 | Electroplating device capable of automatically detecting control current density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202139321U true CN202139321U (en) | 2012-02-08 |
Family
ID=45550393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120198760U Expired - Lifetime CN202139321U (en) | 2011-06-14 | 2011-06-14 | Electroplating device capable of automatically detecting control current density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202139321U (en) |
-
2011
- 2011-06-14 CN CN201120198760U patent/CN202139321U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |