CN203327378U - Intelligently controlled PCB (printed circuit board) etching machine - Google Patents
Intelligently controlled PCB (printed circuit board) etching machine Download PDFInfo
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- CN203327378U CN203327378U CN2013201654456U CN201320165445U CN203327378U CN 203327378 U CN203327378 U CN 203327378U CN 2013201654456 U CN2013201654456 U CN 2013201654456U CN 201320165445 U CN201320165445 U CN 201320165445U CN 203327378 U CN203327378 U CN 203327378U
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Abstract
The utility model discloses an intelligently controlled PCB (printed circuit board) etching machine, which comprises an etching box, a chassis and a motion mechanism, wherein the etching box is internally provided with an etching platform which is used for placing a PCB required to be etched, the etching box is further internally provided with a liquid level detector, a temperature sensor and a heating element, and the liquid level detector, the temperature sensor and the heating element are connected with a central processing unit. According to the utility model, a mode of additionally arranging the motion mechanism at the bottom part of the etching box is used, and the etching box is enabled to move left and right and back and forth through driving a DC motor, thereby greatly accelerating the flow of an etching liquid, enabling the etching process to more safer and more efficient, and being suitable for laboratory use.
Description
Technical field
The utility model relates to a kind of etching machine, particularly relates to a kind of Based Intelligent Control PCB etching machine.
Background technology
In recent years, no matter be professional colleges, or small-sized electronic product design and R&D enterprise, all can run into the designing and making problem of printed circuit board, and, in manufacturing process, " corrosion " is vital technological process together.In order to reach the corrosive effect that the PCB circuit board is good, some specific etching conditions just need to be provided, as applicable temperature, the flowing etc. of corrosive liquid.And a lot of laboratories all adopts the manual operations corrosion, be unable to do without artificial the stirring in corrosion process, process is comparatively loaded down with trivial details, expend energy on and time.In addition, with regard to existing various etching machine in the market, its function is perfect not, and price is high, and fault is many, maintenance difficult.
Summary of the invention
The purpose of this utility model is: a kind of Based Intelligent Control PCB etching machine is provided, can the left and right back and forth movement, and can automatically control the corrosion of pcb board, improve corrosion efficiency.
The purpose of this utility model can realize by following technical measures: Based Intelligent Control PCB etching machine comprises the corrosion case, cabinet, motion.In the corrosion case, the corrosion platform is housed, is used for placing the pcb board that needs corrosion, in the corrosion case, inject corrosive liquid, in the corrosion case, be placed with heating element, level sensor, temperature sensor.CPU is installed, power circuit, key circuit, display circuit, warning circuit, direct current motor drive circuit and direct current machine in cabinet.Motion includes roller, guide rail, four-bar mechanism.
The corrosion-resistant dividing plate that described corrosion platform is palisade, detachable.
Described heating element is corrosion-resistant quartz heating rod, and the signal input part of heating element is connected with the signal output part of CPU by ON-OFF control circuit.
Described level sensor is ultrasonic sensor, and the signal output part of level sensor is connected with the signal input part of CPU.
Described temperature sensor is DS18B20, and the signal output part of temperature sensor is connected with the signal input part of CPU.
The signal input part of described CPU also is connected with key circuit, and the signal output part of CPU also is connected with display circuit.
The signal output part of described CPU also is connected with warning circuit.
The signal output part of described CPU also is connected with direct current motor drive circuit.
Described direct current machine is connected with crank (first connecting rod) by shaft coupling, and cause the translation of four-bar mechanism, what with four-bar mechanism, be connected is the flat board that is fixed with the corrosion case, four free roller wheels are equipped with in dull and stereotyped below, under the drive of four-bar mechanism, make it one direction circulation come and go translation in guide rail, direct current machine drives and is connected with motor.
The advantage the utlity model has is:
1, corrosion case bottom is added with motion, by driving direct current machine, makes it can the left and right back and forth movement, greatly accelerates flowing of corrosive liquid, makes corrosion process safer, efficient;
2, corrosion case bottom fitting temperature transducer, for temperature survey, detect the temperature of corrosive liquid in the pcb board corrosion process, and temperature is controlled to the corrosive agent the fastest temperature that reacts;
3, ultrasonic sensor is placed in the corrosion box top, for detection of the liquid level of corrosive liquid, accurately to measure installation of water in case;
4, adopt corrosion-resistant quartz heating rod to be heated corrosive liquid, corrosion-resistant heating rod thermal inertia is little, thermal response speed is fast, thermal conversion efficiency is high, and the control by CPU can realize the adjusting of corrosive liquid temperature is controlled;
5, be connected with key circuit and display circuit on CPU, the operator can pre-set parameter, and whole corrosion process is carried out automatically, substantially do not need human intervention, capable of automatic alarm after the PCB circuit board corrosion completes, reduce the operation awaits time, increase work efficiency.
The accompanying drawing explanation
The front view that Fig. 1 is the utility model embodiment
The structural representation that Fig. 2 is the utility model embodiment
The control circuit theory diagram that Fig. 3 is the utility model embodiment
The circuit theory diagrams that Fig. 4 is the utility model embodiment
In figure: 1, corrosion case, 2, corrosive liquid, 3, level sensor, 4, corrosion platform, 5, temperature sensor, 6, heating element, 7, flat board, 8, roller, 9, guide rail, 10, four-bar mechanism, 11, direct current machine, 12, the TFT LCDs, 13, button, 14, cabinet, 15, the cabinet indicator light.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1 and Figure 2, the utility model Based Intelligent Control PCB etching machine comprises corrosion case 1, cabinet 14, motion, insert corrosive liquid 2 in described corrosion case 1, be placed with heating element 6 in corrosion case 1, the signal input part of heating element 6 is connected with the signal output part of central processor unit by ON-OFF control circuit.Be provided with temperature sensor 5 and level sensor 3 in corrosive liquid 2, the signal output part of temperature sensor 5 and level sensor 3 is connected with the signal input part of CPU.The signal input part of CPU also is connected with key circuit, and the rotating speed (being divided into five grades) of etching time, corrosion temperature and the motor of pcb board can be set by button 13; The signal output part of CPU also is connected with display circuit, can on TFT LCDs 12, show facilities and the work at present state of pcb board corrosion, comprises the motor speed gear, corrodes remaining time, corrosive liquid capacity etc.; The signal output part of CPU also is connected with warning circuit, by cabinet indicator light 15 and buzzer (not shown in FIG.), for alert, carries out associative operation; The signal output part of CPU also is connected with motor-drive circuit, by direct current machine 11, by shaft coupling, with crank (first connecting rod), be connected, and cause the translation of four-bar mechanism 10, what with four-bar mechanism 10, be connected is the flat board 7 that is fixed with the corrosion case, four free roller wheels 8 are equipped with in dull and stereotyped 7 belows, under the drive of four-bar mechanism 10, make it one direction circulation come and go translation in guide rail 9.
Wherein corrode case 1 inside and be provided with corrosion platform 4, be used for placing pcb board to be corroded, prevent from corroding case in motion process, cause the destruction of pcb board to heating element 6 and temperature sensor 5.
Described heating element 6 is corrosion-resistant quartz heating rod.
Described level sensor 3 is the ultrasonic sensor module, and measuring range reaches 2cm-450cm, and precision reaches 0.3cm.
Described temperature sensor 5 is temperature sensor DS18B20, and its precision can reach 0.5 degree centigrade.
The corrosion-resistant dividing plate that described corrosion platform 4 is palisade, detachable.
The present embodiment adopts matrix keyboard as input mode, and information output adopts 3.2 inches TFT LCDs, carries out information indicating with buzzer and cabinet indicator light simultaneously, to guarantee good man-machine interaction, experiences.
Each circuit as described in Figure 3 is arranged in cabinet 14, ON-OFF control circuit, and motor-drive circuit, warning circuit is ripe technology.
CPU described in the present embodiment adopts the STC12C5A60S2 single-chip microcomputer of 8, the fully compatible tradition 8051 of instruction code, but the fast 8-12 of speed is doubly, with the every systemic-function that realizes being scheduled to.
Claims (6)
1. a Based Intelligent Control PCB etching machine, comprise the corrosion case, cabinet, movable connecting rod mechanism, it is characterized in that: in the corrosion case, the corrosion platform is housed, be used for placing the pcb board that needs corrosion, in the corrosion case, be placed with heating element, the signal input part of heating element is connected with the signal output part of CPU by ON-OFF control circuit.
2. Based Intelligent Control PCB etching machine according to claim 1, it is characterized in that: be provided with level sensor in described corrosion case, the signal output part of level sensor is connected with the signal input part of CPU.
3. Based Intelligent Control PCB etching machine according to claim 2, it is characterized in that: be provided with temperature sensor in described corrosion case, the signal output part of temperature sensor is connected with the signal input part of CPU.
4. according to claim 1 or 2 or 3 described Based Intelligent Control PCB etching machines, it is characterized in that: also include motor-drive circuit, direct current machine is connected with crank by shaft coupling, and cause the translation of four-bar mechanism, what with four-bar mechanism, be connected is the flat board that is fixed with the corrosion case, four free roller wheels are equipped with in dull and stereotyped below, it can only one direction be moved in guide rail, under the drive of four-bar mechanism, circulation comes and goes translation, and the signal input part of motor-drive circuit is connected with the signal output part of CPU.
5. Based Intelligent Control PCB etching machine according to claim 4, it is characterized in that: the signal input part of described CPU also is connected with key circuit, and the signal output part of CPU also is connected with display circuit.
6. Based Intelligent Control PCB etching machine according to claim 5, it is characterized in that: the signal output part of described CPU also is connected with warning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201654456U CN203327378U (en) | 2013-04-03 | 2013-04-03 | Intelligently controlled PCB (printed circuit board) etching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201654456U CN203327378U (en) | 2013-04-03 | 2013-04-03 | Intelligently controlled PCB (printed circuit board) etching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203327378U true CN203327378U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201654456U Expired - Fee Related CN203327378U (en) | 2013-04-03 | 2013-04-03 | Intelligently controlled PCB (printed circuit board) etching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203327378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307406A (en) * | 2015-11-13 | 2016-02-03 | 广西电力职业技术学院 | Device for corroding circuit board |
| CN105338747A (en) * | 2015-11-13 | 2016-02-17 | 广西电力职业技术学院 | Apparatus for PCB corrosion |
-
2013
- 2013-04-03 CN CN2013201654456U patent/CN203327378U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307406A (en) * | 2015-11-13 | 2016-02-03 | 广西电力职业技术学院 | Device for corroding circuit board |
| CN105338747A (en) * | 2015-11-13 | 2016-02-17 | 广西电力职业技术学院 | Apparatus for PCB corrosion |
| CN105307406B (en) * | 2015-11-13 | 2018-08-14 | 广西电力职业技术学院 | A kind of device of open circuit potential plate |
| CN105338747B (en) * | 2015-11-13 | 2018-08-14 | 广西电力职业技术学院 | A kind of device for pcb board corrosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Chao Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140403 |