CN213092326U - PCBA bar code automatic scanning detecting system - Google Patents
PCBA bar code automatic scanning detecting system Download PDFInfo
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- CN213092326U CN213092326U CN202021916830.6U CN202021916830U CN213092326U CN 213092326 U CN213092326 U CN 213092326U CN 202021916830 U CN202021916830 U CN 202021916830U CN 213092326 U CN213092326 U CN 213092326U
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Abstract
The utility model provides a PCBA bar code automatic scanning detecting system, including electromechanical system and circuit system, circuit system include control circuit, control switch and scanning rifle, set up scanning rifle mainboard circuit on the scanning rifle, control switch/scanning rifle all with control circuit electric connection, the scanning rifle all with control circuit electric connection, scanning rifle mainboard circuit still through a state signal return circuit and control circuit electric connection, control circuit still through scanning rifle test circuit and scanning rifle mainboard circuit electric connection all the way, scanning rifle mainboard circuit still through a test signal return circuit and display circuit electric connection all the way; the electromechanical system in set up the activity position dish that is used for each independent PCBA of splendid attire in PCBA bar code automatic scanning testing process, all set up a gravity sensor who is used for testing PCBA on each activity position dish, control circuit still with gravity sensor electric connection.
Description
Technical Field
The utility model relates to a PCBA bar code automatic scanning detecting system.
Background
In the field of PCBA barcode automatic scanning detection technology, a relatively common technology is a PCBA barcode automatic scanning detection device disclosed in chinese utility model No. cn201621187381.x, referring to fig. 1-2, which comprises a rack 1, a power supply system 4, a computer system 5, a feeding assembly line and a barcode scanning gun, wherein the computer system 5 is connected with the power supply system 4, and the scanning gun 9 is connected with the computer system 5; the feeding assembly line comprises a guide rail 6 and product clamps 7, the guide rail 6 is arranged on the rack 1, and the product clamps 7 are movably arranged in the guide rail 6; the scanning gun 9 is rotatably arranged on the frame 1 through a fixed bracket; a power line of the feeding assembly line is connected with a relay device, and the relay device controls the power supply of the assembly line to be switched on in a normal state; the relay device is connected with the power supply system 4 and is simultaneously connected with the alarm and the warning lamp. The fixed support comprises a vertical column 10 and a cross arm 15, wherein the cross arm 15 is arranged on the vertical column 10 through a loosening and tightening mechanism, and the scanning gun 9 is arranged at the front end of the cross arm 15 through another loosening and tightening mechanism. The scanning gun 9 is arranged on an L-shaped fixing sheet 20, and the L-shaped fixing sheet 20 is fixed on an elastic mechanism arranged at the front end of the cross arm 15 through a bolt 19; the elastic mechanism comprises a clamp 16, a knob bolt 17 and a fixing head 18, wherein a bolt 19 is screwed in the fixing head 18, the knob bolt 17 penetrates through the clamp 16 to be connected and fixed with the fixing head 18, and the clamp 16 is sleeved on the cross arm 15; the tail end of the cross arm 15 is fixed in a fixing head 14 of another elastic mechanism, the fixing head 14 is also connected with a knob bolt 13, the knob bolt 13 is threaded on a clamp 12, and the clamp 12 is sleeved on the upright post 10 and forms a fastening structure through the knob bolt. A working table plate 2 is arranged on the rack 1, and a guide rail 6 and a display of a computer system 5 are arranged on the working table plate 2; a fixed seat 8 is arranged on the working table plate 2, and an upright post 10 of the scanning gun fixed support is arranged in the fixed seat 8 through an upright post gasket 11; a lower plate 3 is installed at a lower portion of the housing 1, and a power supply system 4 is installed in the lower plate 3. The number of the scanning guns 9 is matched with the row number of the bar codes on the PCBA product, the scanning guns are arranged in sequence, and the interval of each scanning gun is just the size of the PCBA product. In the PCBA bar code automatic scanning detection device technology, the information of the relay device is used for controlling, the assembly line power supply is on in a normal state, and the relay device is connected outside the assembly line power supply. Under normal conditions, the warning green light is normally open. When the computer system detects that the information received by the scanning gun is not correctly verified through background data or the information is not timely detected, the computer searches the relay device, sends a warning red light on signal to the relay device, and simultaneously sends an alarm signal on, the power supply of the feeding assembly line is turned off, namely the assembly line stops running downwards. The automatic bar code scanning device aims to identify the problems of missing scanning and bar code abnormity, and sends out an alarm signal to an alarm and simultaneously cuts off a power supply of a production line so as to prevent products from continuously flowing downwards.
However, in the actual PCBA barcode automatic scanning detection system, the problems of missing scanning and barcode abnormality are complex, and especially, in some cases, the problems of missing scanning and barcode abnormality are caused by normal operation procedures, for example, a detection person often needs to take the PCBA with the barcode from a production line to perform sampling inspection during machine inspection, and in such a case, the device cannot identify the situation and can give a false alarm, so that the identification circuit or structure of the existing PCBA barcode automatic scanning detection still needs to be improved.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a PCBA bar code automatic scanning detecting system.
The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses an electromechanical system and circuit system, circuit system include control circuit, control switch and scanning rifle, set up scanning rifle mainboard circuit on the scanning rifle, control switch/scanning rifle all with control circuit electric connection, the scanning rifle all with control circuit electric connection, scanning rifle mainboard circuit still through a status signal return circuit and control circuit electric connection, control circuit still through scanning rifle test circuit all the way with scanning rifle mainboard circuit electric connection, scanning rifle mainboard circuit still through a test signal return circuit and display circuit electric connection; the electromechanical system in set up the activity position dish that is used for each independent PCBA of splendid attire in PCBA bar code automatic scanning testing process, all set up a gravity sensor who is used for testing PCBA on each activity position dish, control circuit still with gravity sensor electric connection.
The control switch adopts an electromagnetic relay switch.
The control circuit adopts a singlechip control system circuit.
The state signal return circuit adopts a test circuit for testing the state signal of the working mainboard of the scanning gun.
The scanning gun test circuit adopts a test circuit for testing the functions of all main circuit elements of a main board circuit of the scanning gun in a debugging mode.
The test signal return circuit adopts a display driving circuit driven by return signals for testing the functions of all main circuit elements of a main board circuit of the scanning gun in a debugging mode, and the corresponding display circuit adopts a display.
The utility model has the advantages that the utility model can not close the scanning gun under all conditions of missing scanning and bar code abnormity, but the scanning gun is used for scanning the PCBA bar code in normal state, when the problems of missing scanning and bar code abnormity occur, the control circuit can not drive the control switch to disconnect the power supply to end the work of the scanning gun firstly, but judge whether the PCBA being scanned is on the movable work station disc by testing the signal of the gravity sensor of the PCBA, if the gravity sensor of the PCBA exists or exceeds the threshold value, the PCBA is judged to be on the movable work station disc, otherwise, the control circuit can drive the control switch to disconnect the working power supply of the scanning gun only by judging that the PCBA being scanned is on the movable work station disc and the problems of missing scanning and bar code abnormity occur, otherwise, the problems of missing scanning and bar code abnormity can be judged to be caused by that no PCBA is on the movable work station disc, there is no need to disconnect the operating power supply of the scanning gun. Under the condition that the working power supply of the scanning gun is disconnected, the control circuit can also judge the working state of the scanning gun through the state signal return circuit, the scanning gun does not need to be closed if the working state of the scanning gun is normal, the scanning gun is closed only under the condition that the working state of the scanning gun is abnormal, the control circuit can also carry out debugging test on the scanning gun by driving the scanning gun test circuit after the scanning gun is closed (the working is not influenced because the scanning gun is in the closed state), and then the test signal is returned to the display circuit through the test signal return circuit.
Therefore the utility model discloses can also the automatic identification leak the reason of sweeping with the unusual problem of bar code, leak and generally no longer need engineer oneself to seek the problem and overhaul after sweeping with the unusual problem of bar code, improve the efficiency of overhauing and also improved the stability of work simultaneously.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an overall structure diagram of a PCBA bar code automatic scanning detection device in the prior art;
FIG. 2 is a view of a mounting structure of a scanning gun of a PCBA bar code automatic scanning detection device in the prior art;
FIG. 3 is a block diagram of the circuit components of the circuit system of the present invention;
Detailed Description
In specific implementation, the utility model discloses an electromechanical system and circuit system, as shown in fig. 3, circuit system include control circuit, control switch and scanning rifle, set up scanning rifle mainboard circuit on the scanning rifle, control switch/scanning rifle all with control circuit electric connection, the scanning rifle all with control circuit electric connection, scanning rifle mainboard circuit still through a status signal return circuit and control circuit electric connection, control circuit still through scanning rifle test circuit and scanning rifle mainboard circuit electric connection all the way, scanning rifle mainboard circuit still through test signal return circuit and display circuit electric connection all the way; in the implementation, the electromechanical system may adopt a structure disclosed in the prior art or a similar structure, except that a movable station disc for containing each single PCBA in the automatic scanning detection process of the PCBA bar code is arranged in the electromechanical system, a gravity sensor for testing the PCBA is arranged on each movable station disc, and the control circuit is also electrically connected with the gravity sensor; in specific implementation, the scanning gun is used for scanning a bar code of the PCBA in a normal state, when the problems of missing scanning and bar code abnormality occur, the control circuit does not drive the control switch to disconnect the power supply to finish the work of the scanning gun firstly, but judges whether the PCBA being scanned is on the movable work station disc or not by testing a signal of a gravity sensor of the PCBA, if the gravity sensor of the PCBA exists or exceeds a threshold value, the PCBA is judged to be on the movable work station disc, otherwise, the PCBA is not on the movable work station disc, the control circuit drives the control switch to disconnect the working power supply of the scanning gun only under the condition that the PCBA being scanned is judged to be on the movable work station disc and the problems of missing scanning and bar code abnormality occur, otherwise, the problems of missing scanning and bar code abnormality can be judged to be caused by no PCBA on the movable work station disc, and the working power supply of the scanning gun does not. Under the condition that the working power supply of the scanning gun is disconnected, the control circuit can also judge the working state of the scanning gun through the state signal return circuit, the scanning gun does not need to be closed if the working state of the scanning gun is normal, the scanning gun is closed only under the condition that the working state of the scanning gun is abnormal, the control circuit can also carry out debugging test on the scanning gun by driving the scanning gun test circuit after the scanning gun is closed (the working is not influenced because the scanning gun is in the closed state), and then the test signal is returned to the display circuit through the test signal return circuit.
In a specific implementation, the control switch is an electromagnetic relay switch, the control circuit is a single chip microcomputer control system circuit, the state signal return circuit is a test circuit for testing state signals of a working main board of the scanning gun, the scanning gun test circuit is a test circuit for testing functions of main circuit elements of the main board circuit of the scanning gun in a debugging mode, the test signal return circuit is a display drive circuit driven by return signals for testing functions of the main circuit elements of the main board circuit of the scanning gun in the debugging mode, and the corresponding display circuit is a display; in the specific implementation, the scanning gun is used for scanning the PCBA bar code in the normal state, when the problems of missing scanning and bar code abnormity occur, the circuit of the single chip microcomputer control system does not drive the electromagnetic relay switch to disconnect the power supply to end the work of the scanning gun, but first judges whether the PCBA being scanned is on the movable work station disc by testing the signal of the gravity sensor of the PCBA, if the gravity sensor of the PCBA exists or exceeds the threshold value, the PCBA is judged to be on the movable work station disc, otherwise, the PCBA is not on the movable work station disc, only the circuit of the single-chip microcomputer control system judges that the scanned PCBA is on the movable work station disc and the problems of missing scanning and bar code abnormity occur, the circuit of the single-chip microcomputer control system drives the electromagnetic relay switch to disconnect the working power supply of the scanning gun, otherwise, the problems of missing scanning and bar code abnormity can be judged because no PCBA is caused on the movable work station disc, and the working power supply of the scanning gun does not need to be disconnected. Under the condition that the working power supply of the scanning gun is disconnected, the single chip microcomputer control system circuit can judge the working state of the scanning gun through the test circuit for testing the working mainboard state signals of the scanning gun, the scanning gun does not need to be closed if the working state of the scanning gun is normal, the scanning gun is closed only under the condition that the working state of the scanning gun is abnormal, the single chip microcomputer control system circuit can debug and test the scanning gun through the test circuit for driving and testing the functions of all main circuit elements of the scanning gun mainboard circuit after the scanning gun is closed (the work cannot be influenced because the scanning gun is in the closed state), and then the display driving circuit driven by the return signals for testing the functions of all main circuit elements of the scanning gun mainboard circuit returns the test signals to the display. It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative and not exclusive in all respects. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (6)
1. The utility model provides a PCBA bar code automatic scanning detecting system which characterized by: the scanning gun main board circuit is electrically connected with the control circuit through a state signal return circuit, the control circuit is electrically connected with the scanning gun main board circuit through a scanning gun test circuit, and the scanning gun main board circuit is electrically connected with the display circuit through a test signal return circuit; the electromechanical system in set up the activity position dish that is used for each independent PCBA of splendid attire in PCBA bar code automatic scanning testing process, all set up a gravity sensor who is used for testing PCBA on each activity position dish, control circuit still with gravity sensor electric connection.
2. The automatic scanning and detecting system for the PCBA bar code as claimed in claim 1, wherein: the control switch adopts an electromagnetic relay switch.
3. The automatic scanning and detecting system for the PCBA bar code as claimed in claim 1, wherein: the control circuit adopts a singlechip control system circuit.
4. The automatic scanning and detecting system for the PCBA bar code as claimed in claim 1, wherein: the state signal return circuit adopts a test circuit for testing the state signal of the working mainboard of the scanning gun.
5. The automatic scanning and detecting system for the PCBA bar code as claimed in claim 1, wherein: the scanning gun test circuit adopts a test circuit for testing the functions of all main circuit elements of a main board circuit of the scanning gun in a debugging mode.
6. The automatic scanning and detecting system for the PCBA bar code as claimed in claim 1, wherein: the test signal return circuit adopts a display driving circuit driven by return signals for testing the functions of all main circuit elements of a main board circuit of the scanning gun in a debugging mode, and the corresponding display circuit adopts a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916830.6U CN213092326U (en) | 2020-09-04 | 2020-09-04 | PCBA bar code automatic scanning detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916830.6U CN213092326U (en) | 2020-09-04 | 2020-09-04 | PCBA bar code automatic scanning detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213092326U true CN213092326U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021916830.6U Active CN213092326U (en) | 2020-09-04 | 2020-09-04 | PCBA bar code automatic scanning detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213092326U (en) |
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2020
- 2020-09-04 CN CN202021916830.6U patent/CN213092326U/en active Active
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