CN204924381U - Etching solution stirring and quantity detection device - Google Patents
Etching solution stirring and quantity detection device Download PDFInfo
- Publication number
- CN204924381U CN204924381U CN201520704297.XU CN201520704297U CN204924381U CN 204924381 U CN204924381 U CN 204924381U CN 201520704297 U CN201520704297 U CN 201520704297U CN 204924381 U CN204924381 U CN 204924381U
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- minimum system
- etching solution
- ultrasonic sensor
- chip minimum
- motor
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Abstract
The utility model relates to a PCB etching technical field especially relates to an etching solution stirring and quantity detection device. An etching solution stirring and quantity detection device includes alternating current power supply, DC power supply module, the minimum system of singlechip, display circuit, alarm module, ultrasonic sensor, relay module, stirring motor and keying circuit, the device has adopted the dc motor to go with DC power supply module 0 as agitator motor, direct current motor startability, and the function that can realize making the etching solution even has avoided the etching solution to deposit the consequence that causes the etching failure, the utility model discloses a minimum system of singlechip as the control unit, when the etching solution liquid level was lower, the manpower had greatly been saved in the suggestion of reporting to the police of steerable alarm module, the utility model discloses an ultrasonic sensor do not have contact measurement to the liquid level of etching solution, avoided the corruption to ultrasonic sensor to through the surplus of display circuit demonstration etching solution, convenient to use, easy operation.
Description
Technical field
The utility model relates to PCB etching technique field, particularly relates to a kind of etching solution and stirs and use amount detecting device.
Background technology
In recent years, along with society and industrial development, PCB etching technique constantly develops.The object of etching is that the not protected conductive portion copper etching front operation institute made on the wiring board of figure is gone, formation circuit.Etching has internal layer to etch and outer etching, and internal layer adopts acid etching, and wet film or dry film are resist; Outer employing alkali etching, tin lead is resist.In alkali etching, along with reaction is constantly carried out, in liquid, ammoniacal liquor constantly reduces, and copper ion constantly increases, and for keeping erosion copper speed, must maintain the stable of liquid medicine.Counted by PH, picnometer controls the automatic interpolation of ammoniacal liquor and new liquid, adds ammoniacal liquor when pH value is low; New liquid is added when proportion height.No matter for acidic etching liquid or alkaline etching liquid, all etching solution can be caused to occur precipitation due to the impact of various factors, it is uneven that the lighter causes PCB to etch, the phenomenon that severe one causes shower nozzle to be blocked, when after the new liquid of interpolation, need itself and stoste to stir, and artificially stir to compare and waste time and energy.
Utility model content
Technical problem to be solved in the utility model, it is the technical deficiency for above-mentioned existence, provide a kind of etching solution to stir and with amount detecting device, a kind of etching solution stirs and have employed direct current motor as stirring motor with amount detecting device, direct current generator starts performance and good speed adjustment features, can realize making the uniform function of etching solution, avoid etching solution precipitation and cause the consequence that etching is failed; The utility model have employed single-chip minimum system as control module, when etching solution liquid level is lower, can controls alarm module and carry out alarm, dramatically saves on manpower; The utility model have employed ultrasonic sensor and carries out noncontacting measurement to the liquid level of etching solution, avoids the corrosion to ultrasonic sensor, and shows the surplus of etching solution by display circuit, easy to use, simple to operate.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: comprise AC power and key circuit, and the output terminal of AC power is connected with DC power supplier; The output terminal of DC power supplier is connected with single-chip minimum system, display circuit, alarm module, ultrasonic sensor, relay module, stirring motor, and provides electric energy for single-chip minimum system, display circuit, alarm module, ultrasonic sensor, relay module, stirring motor; Single-chip minimum system is all connected with display circuit, alarm module by I/O mouth, and controls display circuit and alarm module by I/O mouth; Ultrasonic sensor is connected with single-chip minimum system, and by the distance signal transmission that collects to single-chip minimum system; Single-chip minimum system is connected with relay module, and controls the running of stirring motor by relay module; Key circuit is connected with the external interrupt I/O mouth of single-chip minimum system, and push button signalling is transferred to single-chip minimum system.
Further optimization the technical program, described single-chip minimum system adopts ATmega128 single-chip microcomputer, and stir motor and adopt direct current motor, ultrasonic sensor adopts model to be the sensor of HC-SR04, and display circuit adopts LCD1602 display.
Further optimization the technical program, exportable 12V and the 5V DC voltage of described DC power supply circuit, DC power supply circuit is alarm module, relay module and stirring motor provide 12V voltage, and DC power supply circuit is single-chip minimum system, display circuit and ultrasonic sensor provide 5V burning voltage.
Further optimization the technical program, the TRIG pin of described ultrasonic sensor is connected with the PB1 pin of single-chip minimum system ATmega128 single-chip microcomputer, and the ECHO pin of ultrasonic sensor is connected with the INT0 pin of single-chip minimum system ATmega128 single-chip microcomputer; Key circuit is connected with the INT1 pin of single-chip minimum system ATmega128 single-chip microcomputer.
Compared with prior art, the utility model has the following advantages: 1, a kind of etching solution stirs and have employed direct current motor as stirring motor with amount detecting device, direct current generator starts performance and good speed adjustment features, can realize making the uniform function of etching solution, avoid etching solution precipitation and cause the consequence that etching is failed; 2, the utility model have employed single-chip minimum system as control module, when etching solution liquid level is lower, can controls alarm module and carry out alarm, dramatically saves on manpower; 3, the utility model have employed ultrasonic sensor and carries out noncontacting measurement to the liquid level of etching solution, avoids the corrosion to ultrasonic sensor, and by the surplus of display circuit display etching solution, easy to use, simple to operate.
Accompanying drawing explanation
Fig. 1 is the stirring of a kind of etching solution and the annexation figure with amount detecting device.
Fig. 2 is the stirring of a kind of etching solution and the circuit diagram with amount detecting device.
Fig. 3 is the stirring of a kind of etching solution and the DC power supplier figure with amount detecting device.
In figure: 1, AC power; 2, DC power supplier; 3, single-chip minimum system; 4, display circuit; 5, alarm module; 6, ultrasonic sensor; 7, relay module; 8, motor is stirred; 9, key circuit.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Embodiment one: shown in composition graphs 1-3, a kind of etching solution stirs and with amount detecting device: comprise AC power 1 and key circuit 9, the output terminal of AC power 1 is connected with DC power supplier 2; The output terminal of DC power supplier 2 is connected with single-chip minimum system 3, display circuit 4, alarm module 5, ultrasonic sensor 6, relay module 7, stirs motor 8, and for single-chip minimum system 3, display circuit 4, alarm module 5, ultrasonic sensor 6, relay module 7, stir motor 8 electric energy be provided; Single-chip minimum system 3 is all connected with display circuit 4, alarm module 5 by I/O mouth, and controls display circuit 4 and alarm module 5 by I/O mouth; Ultrasonic sensor 6 is connected with single-chip minimum system 3, and by the distance signal transmission that collects to single-chip minimum system 3; Single-chip minimum system 3 is connected with relay module 7, and controls the running of stirring motor 8 by relay module 7; Key circuit 9 is connected with the external interrupt I/O mouth of single-chip minimum system 3, and push button signalling is transferred to single-chip minimum system 3; Single-chip minimum system 3 adopts ATmega128 single-chip microcomputer, stirs motor 8 and adopts direct current motor, and ultrasonic sensor 6 adopts model to be the sensor of HC-SR04, and display circuit 4 adopts LCD1602 display; Exportable 12V and the 5V DC voltage of DC power supplier 2, DC power supplier 2 is alarm module 5, relay module 7 and stir motor 8 and provide 12V voltage, and DC power supplier 2 is single-chip minimum system 3, display circuit 4 and ultrasonic sensor 6 provide 5V burning voltage; The TRIG pin of ultrasonic sensor 6 is connected with the PB1 pin of single-chip minimum system 3ATmega128 single-chip microcomputer, and the ECHO pin of ultrasonic sensor 6 is connected with the INT0 pin of single-chip minimum system 3ATmega128 single-chip microcomputer; Key circuit 9 is connected with the INT1 pin of single-chip minimum system 3ATmega128 single-chip microcomputer.
Use this device time, the liquid level of ultrasonic sensor 6 pairs of etching solutions checks, and surplus is presented on display circuit 4, and when liquid level is lower than setting value, alarm module 5 can send alarm, save manpower greatly, and contactless measurement avoids etching solution causes erosion to ultrasonic sensor 6.The casing depositing etching solution can be subject to environmental factor, as temperature, the impact of pH value and produce precipitation or slag body, in order to avoid clogging deposits shower nozzle and etching solution uneven causing etchs unsuccessfully, single-chip minimum system 3 can control to stir by relay module 7 that motor 8 is intermittent to operate.In addition when etching solution is not enough or pH value is undesirable, need to add new liquid to etching solution storage box, now stirring motor 8 can stir and solution is become evenly, avoids artificial stirring, saves time and efforts.The manual control that can realize key circuit 9 stirs the object that motor 8 operates.
Should be understood that, above-mentioned embodiment of the present utility model only for exemplary illustration or explain principle of the present utility model, and is not formed restriction of the present utility model.Therefore, any amendment made when not departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.In addition, the utility model claims be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (4)
1. etching solution stirs and with an amount detecting device, it is characterized in that: comprise AC power (1) and key circuit (9), the output terminal of AC power (1) is connected with DC power supplier (2); The output terminal of DC power supplier (2) is connected with single-chip minimum system (3), display circuit (4), alarm module (5), ultrasonic sensor (6), relay module (7), stirs motor (8), and for single-chip minimum system (3), display circuit (4), alarm module (5), ultrasonic sensor (6), relay module (7), stir motor (8) electric energy be provided; Single-chip minimum system (3) is all connected with display circuit (4), alarm module (5) by I/O mouth, and controls display circuit (4) and alarm module (5) by I/O mouth; Ultrasonic sensor (6) is connected with single-chip minimum system (3), and by the distance signal transmission that collects to single-chip minimum system (3); Single-chip minimum system (3) is connected with relay module (7), and controls the running of stirring motor (8) by relay module (7); Key circuit (9) is connected with the external interrupt I/O mouth of single-chip minimum system (3), and push button signalling is transferred to single-chip minimum system (3).
2. a kind of etching solution according to claim 1 stirs and with amount detecting device, it is characterized in that: single-chip minimum system (3) adopts ATmega128 single-chip microcomputer, stir motor (8) and adopt direct current motor, ultrasonic sensor (6) adopts model to be the sensor of HC-SR04, and display circuit (4) adopts LCD1602 display.
3. a kind of etching solution according to claim 1 stirs and with amount detecting device, it is characterized in that: exportable 12V and the 5V DC voltage of DC power supplier (2), DC power supplier (2) is alarm module (5), relay module (7) and stir motor (8) and provide 12V voltage, and DC power supplier (2) is single-chip minimum system (3), display circuit (4) and ultrasonic sensor (6) provide 5V burning voltage.
4. a kind of etching solution according to claim 1 and 2 stirs and with amount detecting device, it is characterized in that: the TRIG pin of ultrasonic sensor (6) is connected with the PB1 pin of single-chip minimum system (3) ATmega128 single-chip microcomputer, the ECHO pin of ultrasonic sensor (6) is connected with the INT0 pin of single-chip minimum system (3) ATmega128 single-chip microcomputer; Key circuit (9) is connected with the INT1 pin of single-chip minimum system (3) ATmega128 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704297.XU CN204924381U (en) | 2015-09-14 | 2015-09-14 | Etching solution stirring and quantity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704297.XU CN204924381U (en) | 2015-09-14 | 2015-09-14 | Etching solution stirring and quantity detection device |
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| Publication Number | Publication Date |
|---|---|
| CN204924381U true CN204924381U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520704297.XU Expired - Fee Related CN204924381U (en) | 2015-09-14 | 2015-09-14 | Etching solution stirring and quantity detection device |
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| Country | Link |
|---|---|
| CN (1) | CN204924381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114521154A (en) * | 2019-06-18 | 2022-05-20 | 克洛布股份公司 | Method for controlling a fluid product dispenser |
-
2015
- 2015-09-14 CN CN201520704297.XU patent/CN204924381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114521154A (en) * | 2019-06-18 | 2022-05-20 | 克洛布股份公司 | Method for controlling a fluid product dispenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 510663 No. two, 3 Street, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, 601-B Patentee after: Guangzhou Yiliu Chemical Co., Ltd. Address before: Gaoping Fukuzawa road Triangle industrial area in the town of Guangdong city of Zhongshan Province, 528445 street, No. 1 Patentee before: ZHONGSHAN HONGBO CHEMICAL AUXILIARY CHEMICALS CO., LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 No. two, 3 Street, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, 601-B Patentee after: Guangzhou Guorun chemical Limited by Share Ltd Address before: 510663 No. two, 3 Street, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, 601-B Patentee before: Guangzhou Yiliu Chemical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |