CN110493974B - Automatic OSP liquid medicine adding system and application thereof - Google Patents
Automatic OSP liquid medicine adding system and application thereof Download PDFInfo
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- CN110493974B CN110493974B CN201910778022.3A CN201910778022A CN110493974B CN 110493974 B CN110493974 B CN 110493974B CN 201910778022 A CN201910778022 A CN 201910778022A CN 110493974 B CN110493974 B CN 110493974B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
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- Microelectronics & Electronic Packaging (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Weting (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention provides an OSP liquid medicine automatic adding system and application thereof, wherein the system comprises: the system comprises a central processing unit, a gear connected with the central processing unit, a sensor positioned on one side of the gear, a counter connected with the sensor and a timer used for receiving a counter signal, wherein the timer is installed on a pump A and a pump B, and the pump A and the pump B are connected with a medicine tank.
Description
Technical Field
The invention relates to the field of automatic control, in particular to an OSP liquid medicine automatic adding system and application thereof.
Background
With the formal implementation of the ROHS directive in the european union of 7/1/2006, the industry needs to find a lead-free surface treatment method which can reduce cost and replace the original lead-tin-spraying solder, and the technology is environmentally friendly and low in cost, and conforms to the lead-free technology, so that the technology is more and more popular in the industry.
The key of the process is to control the thickness of the anti-oxidation film, and the thickness of the film depends on whether the concentration ratio of the chemical liquid meets the requirement or not. The original operation process adopts manual liquid medicine adding, the adding amount is difficult to accurately control, and the stability of the liquid medicine is poor. When the liquid medicine is just added, all data are good, the product has no problem, the liquid medicine is slowly consumed in the production process, and the failure punctual time is difficult to determine. The addition of the water is early, the liquid medicine is wasted, and the addition of the water is late, so that the product quality is influenced. Particularly, in recent years, more and more products are exported, the transportation time on the way is long (sea transportation), and if the products are not well done, the products are easily oxidized at the client side to influence welding. Therefore, the automatic liquid medicine adding system is implemented, all indexes of the liquid medicine are guaranteed to be in the best interval all the time, the product quality is guaranteed, waste of the liquid medicine is reduced, and the production cost is reduced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the prior art, the OSP liquid medicine automatic adding system and the application thereof provided by the invention improve the stability of product quality, reduce liquid medicine waste, save production cost, reduce liquid medicine use and better implement clean production.
The technical scheme is as follows: in order to achieve the above object, the present invention provides an OSP lotion automatic adding system and its application, comprising: the device comprises a central processing unit, a gear connected with the central processing unit, a sensor positioned on one side of the gear, a counter connected with the sensor, and a timer used for receiving a signal of the counter, wherein the timer is arranged on a pump A and a pump B, and the pump A and the pump B are connected with a medicine tank.
In a further preferred embodiment of the present invention, the pump a contains a microetching solution.
In a further preferred embodiment of the present invention, the pump B contains OSP solution.
As a further preferred aspect of the present invention, the gear is connected to an output shaft of the motor.
An application method of an OSP liquid medicine automatic adding system comprises the following steps:
step one, after a power supply is switched on, a motor runs to drive a gear to run at a constant speed;
step two, when the microetching solution and the OSP solution in the medicine tank need to be mixed according to the ratio of 1: 5, when proportioning, the central processor sends the signal of proportioning data to the counter,
step three, a signal for opening the sensor is sent to the sensor by the counter, after the sensor receives a signal that the gear rotates by 1 tooth, the sensor is closed and sends a signal of one tooth to the counter, and the counter sends the signal of the tooth to the timer;
step four, after the timer receives the signal, controlling the pump A to be opened, wherein the opening time of the pump A6 is the time when the gear rotates by 1 tooth, and the pump A injects the micro-etching liquid into the medicine tank;
step five, after the pump A is closed, the pump A stops injecting the micro-etching liquid meter into the medicine tank, the timer sends a signal of closing the pump A to the counter, the counter sends a signal of opening the sensor to the sensor, after the sensor receives that the gear rotates by 5 teeth, the sensor closes to receive the signal and sends the signal of 5 teeth to the counter, and the counter sends the signal of 5 teeth to the timer;
and step six, after the timer receives a signal, controlling the pump B to be started, wherein the starting time of the pump B is the time when the gear rotates by 5 teeth, and the pump B injects the OSP liquid medicine into the medicine tank.
As a further optimization of the invention, in the second step, the proportion of the microetching liquid and the OSP liquid medicine in the traditional Chinese medicine tank is adjusted according to the requirement.
As a further preferred aspect of the present invention, the number of said sensors and counters is at least 1.
Has the advantages that: compared with the prior art, the OSP liquid medicine automatic adding system and the application thereof provided by the invention have the following advantages:
(1): the stability of the product quality is improved;
(2): the waste of liquid medicine is reduced, and the production cost is saved;
(3): the use of liquid medicine is reduced, and clean production is better promoted.
Drawings
Fig. 1 is a schematic diagram of the working principle of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
As shown in fig. 1, the present invention provides an automatic OSP solution adding system, which comprises: the device comprises a central processing unit 1, a gear 2, a sensor 3, a counter 4, a timer 5, a pump A6, a pump B7 and a medicine tank 8.
Gear 2 is connected with central processing unit 1, sensor 3 is located one side of gear 2, counter 4 is connected with sensor 3, timer 5 receives the signal of counter 4, timer 5 is installed on pump A6 and pump B7, the interior of pump A6 is the microetching liquid, the interior of pump B7 is the OSP liquid medicine, and pump A6 and pump B7 are connected with medicine tank 8.
Example 1
Step one, after a power supply is switched on, the motor operates to drive the gear 2 to operate at a constant speed;
step two, when the microetching liquid and the OSP liquid medicine in the medicine tank 8 are required to be mixed according to the ratio of 1: 5, the central processing unit 1 sends the signal of the proportioning data to the counter 4 when proportioning is carried out,
step three, a signal for opening the sensor 3 is sent to the sensor 3 by the counter 4, after the sensor 3 receives a signal that the gear 2 rotates by 1 tooth, the sensor 3 is closed and sends a signal of one tooth to the counter 4, and the counter 4 sends a signal of 1 tooth to the timer 5;
step four, after the timer 5 receives the signal, controlling the pump A6 to be opened, wherein the opening time of the pump A6 is the time when the gear 2 rotates by 1 tooth, and the pump A6 injects the microetching liquid into the medicine tank 8;
step five, after the pump A6 is turned off, the pump A6 stops injecting the micro etching solution meter into the medicine tank 8, the timer 5 sends a signal of turning off the pump A6 to the counter 4, the counter 4 sends a signal of turning on the sensor 3 to the sensor 3, after the sensor 3 receives that the gear 2 rotates for 5 teeth, the sensor 3 turns off to receive the signal and sends a signal of 5 teeth to the counter 4, and the counter 4 sends a signal of 5 teeth to the timer 5;
step six, after the timer 5 receives the signal, the pump B7 is controlled to be turned on, the time when the pump B7 is turned on is the time when the gear 2 rotates by 5 teeth, and the pump B7 injects OSP liquid medicine into the medicine tank 8.
Example 2
Step one, after a power supply is switched on, the motor operates to drive the gear 2 to operate at a constant speed;
step two, when the microetching liquid and the OSP liquid medicine in the medicine tank 8 need to be proportioned according to the proportion of 2:7, the central processing unit 1 sends a signal of proportioning data to the counter 4,
step three, a signal for opening the sensor 3 is sent to the sensor 3 by the counter 4, after the sensor 3 receives a signal that the gear 2 rotates by 2 teeth, the sensor 3 is closed and sends a signal of 2 teeth to the counter 4, and the counter 4 sends a signal of 2 teeth to the timer 5;
step four, after the timer 5 receives the signal, controlling the pump A6 to be opened, wherein the opening time of the pump A6 is the time when the gear 2 rotates by 2 teeth, and the pump A6 injects the microetching liquid into the medicine tank 8;
step five, after the pump A6 is turned off, the pump A6 stops injecting the micro etching solution meter into the medicine tank 8, the timer 5 sends a signal of turning off the pump A6 to the counter 4, the counter 4 sends a signal of turning on the sensor 3 to the sensor 3, after the sensor 3 receives that the gear 2 rotates for 7 teeth, the sensor 3 turns off to receive the signal and sends a signal of 7 teeth to the counter 4, and the counter 4 sends a signal of 7 teeth to the timer 5;
step six, after the timer 5 receives the signal, the pump B7 is controlled to be turned on, the time when the pump B7 is turned on is the time when the gear 2 rotates by 5 teeth, and the pump B7 injects OSP liquid medicine into the medicine tank 8. .
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. An application method of an OSP liquid medicine automatic adding system is characterized in that: the OSP liquid medicine automatic adding system comprises: the device comprises a central processing unit (1), a gear (2) connected with the central processing unit (1), a sensor (3) positioned on one side of the gear (2), a counter (4) connected with the sensor (3), and a timer (5) used for receiving signals of the counter (4), wherein the timer (5) is arranged on a pump A (6) and a pump B (7), and the pump A (6) and the pump B (7) are connected with a medicine tank (8); the pump A (6) is filled with microetching liquid, and the pump B (7) is filled with OSP liquid medicine;
the application method comprises the following steps:
step one, after a power supply is switched on, the motor operates to drive the gear (2) to operate at a constant speed;
step two, when the microetching liquid and the OSP liquid medicine in the medicine tank 8 are required to be mixed according to the ratio of 1: 5, when proportioning, the central processing unit (1) sends the signal of proportioning data to the counter (4),
step three, a signal for opening the sensor (3) is sent to the sensor (3) by the counter (4), after the sensor (3) receives a signal that the gear (2) rotates by 1 tooth, the sensor (3) is closed and sends a signal of one tooth to the counter (4), and the counter (4) sends a signal of 1 tooth to the timer (5);
step four, after the timer (5) receives the signal, the pump A (6) is controlled to be opened, the time for opening the pump A (6) is the time for rotating the gear (2) by 1 tooth, and the pump A6 injects the micro-etching solution into the medicine tank (8);
step five, after the pump A (6) is closed, the pump A (6) stops injecting the microetching liquid meter into the medicine tank (8), the timer (5) sends a signal of closing the pump A (6) to the counter (4), the counter (4) sends a signal of opening the sensor (3) to the sensor (3), after the sensor (3) receives that the gear (2) rotates for 5 teeth, the sensor (3) closes to receive the signal and sends a signal of 5 teeth to the counter (4), and the counter (4) sends a signal of 5 teeth to the timer (5);
and step six, after the timer (5) receives the signal, controlling the pump B (7) to be opened, wherein the time when the pump B (7) is opened is the time when the gear (2) rotates by 5 teeth, and the pump B (7) injects OSP liquid medicine into the medicine tank (8).
2. The method of claim 1 for applying an OSP solution automatic adding system, wherein the OSP solution automatic adding system comprises: and in the second step, the proportion of the microetching liquid and the OSP liquid medicine in the traditional Chinese medicine tank (8) is adjusted according to the requirement.
3. The method of claim 1 for applying an OSP solution automatic adding system, wherein the OSP solution automatic adding system comprises: the number of the sensors (3) and the counters (4) is at least 1.
4. The method of claim 1 for applying an OSP solution automatic adding system, wherein the OSP solution automatic adding system comprises: the gear (2) is connected with an output shaft of the motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910778022.3A CN110493974B (en) | 2019-08-22 | 2019-08-22 | Automatic OSP liquid medicine adding system and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778022.3A CN110493974B (en) | 2019-08-22 | 2019-08-22 | Automatic OSP liquid medicine adding system and application thereof |
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| Publication Number | Publication Date |
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| CN110493974A CN110493974A (en) | 2019-11-22 |
| CN110493974B true CN110493974B (en) | 2022-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102995096A (en) * | 2012-11-05 | 2013-03-27 | 江苏三鑫电子有限公司 | Automatic electroplating solution feeding system and automatic electroplating solution feeding method |
| CN202949650U (en) * | 2012-12-05 | 2013-05-22 | 深圳市兴达线路板有限公司 | Automatic adding device of antioxidant liquid medicine |
| CN104765295B (en) * | 2015-03-26 | 2017-07-07 | 湖南标立通用科技有限公司 | A kind of micro addition instrument control device and micro addition instrument |
| KR102420037B1 (en) * | 2017-11-29 | 2022-07-12 | 서울대학교산학협력단 | Time-to-digital converter supporting run-time calibration |
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