Automatic batch testing device suitable for electronic cigarette PCBA (printed circuit board assembly)

Abstract

The utility model relates to an automatic batch test device suitable for electronic cigarette PCBA (printed circuit board assembly) boards, which comprises a base, a positioning jig, a pressing assembly, one or more groups of elastic probes and a test mainboard, and further comprises a vacuum pump, a pressure regulating knob and a vacuum suction nozzle, the vacuum pump is sequentially communicated with the second pressure sensor, the pressure regulating knob and the vacuum suction nozzle through air pipes, the vacuum suction nozzle is used for generating negative pressure for the first pressure sensor on the electronic cigarette PCBA board, and the test mainboard is further used for obtaining the numerical value of the second pressure sensor when the electronic cigarette PCBA board is started to work. According to the invention, multiple traditional detection operations of quiescent current, output power, charging current and the like can be realized; and the starting negative pressure value of the electronic cigarette PCBA board can be tested before assembly, so that the possibility that the defective electronic cigarette PCBA board is left to the assembly end is reduced, the repair rate and the rejection rate after assembly are reduced, and the yield of electronic cigarette finished products is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic cigarette quality testing, and particularly relates to a device for automatically testing electronic cigarette PCBA boards in batches. BACKGROUND

[0002] Before being assembled into complete electronic cigarettes, the electronic cigarette PCBA boards need to be tested in multiple ways, such as static current, charging current, output power, etc., so as to improve the yield of the electronic cigarette PCBA boards. A Chinese patent application with the publication number CN109254222A discloses an electronic cigarette rod detection device, which is equipped with a detection controller and a detection probe, and can complete multiple detection operations of the electronic cigarette rod in a certain order, specifically including three parameters of charging current, working voltage and standby voltage, and whether the light-emitting diode works normally, and has high automation degree, high work efficiency and saves labor cost.

[0003] After being assembled, the electronic cigarette still needs to be tested in multiple ways, such as a Chinese patent application with the publication number CN105319079A discloses an electronic cigarette performance testing device, which detects the negative pressure value of the electronic cigarette when smoking through a negative pressure detector, and judges the detected negative pressure value through a control module, so as to directly use the test data to represent the ventilation performance of the electronic cigarette, and the testing result is accurate and the work efficiency is high, and the device can be used for batch testing of electronic cigarettes. However, if it is found that the starting negative pressure value of the electronic cigarette does not meet the standard (the standard is generally-100Pa to-250Pa) at the finished product stage, the defective product is difficult to repair, and even has to be scrapped, which is time-consuming and laborious, and needs to be improved. SUMMARY

[0004] In order to solve the technical problems that the starting negative pressure value is detected at the finished product stage of the electronic cigarette in the prior art, the defective product is difficult to repair, and it is time-consuming and laborious, the present application provides a device for automatically testing electronic cigarette PCBA boards in batches.

[0005] The technical scheme provided by the present application is as follows: An automatic batch testing device for an electronic cigarette PCBA board, wherein the electronic cigarette PCBA board is provided with a first pressure sensor, and the device comprises a base, a positioning jig, a pressing assembly, one or more groups of elastic probes and a test mainboard, the positioning jig and the pressing assembly are arranged on the base, the positioning jig is used for positioning the electronic cigarette PCBA board, the pressing assembly is used for driving the multiple groups of elastic probes to move up and down so that the elastic probes contact detection contacts on the electronic cigarette PCBA board, the test mainboard is arranged in the base and is electrically connected with the elastic probes and is used for testing multiple performance parameters of the electronic cigarette PCBA board, the testing device further comprises a vacuum pump, a pressure regulating knob and a vacuum suction nozzle, the test mainboard is provided with a second pressure sensor, the vacuum pump is connected in sequence with the second pressure sensor, the pressure regulating knob and the vacuum suction nozzle through an air pipe, the vacuum suction nozzle is used for generating negative pressure on the first pressure sensor on the electronic cigarette PCBA board, and the test mainboard is further used for acquiring the value of the second pressure sensor when the electronic cigarette PCBA board starts to work.

[0006] By adopting the above technical scheme, the present application is based on the existing testing device and is also provided with multiple groups of elastic probes and a test mainboard, so that multiple detection operations such as traditional static current, output power and charging current are realized; in addition, a vacuum pump, a pressure regulating knob and a vacuum suction nozzle are additionally provided, a second pressure sensor is additionally provided on the test mainboard, when the negative pressure test of the electronic cigarette PCBA board is performed, the vacuum pump is operated, negative pressure is generated at the vacuum suction nozzle through the air pipe, when the first pressure sensor detects that the negative pressure reaches the set value, the electronic cigarette PCBA board considers that the user has a smoking action and starts the atomization work, since the second pressure sensor is connected in communication with the vacuum suction nozzle through the air pipe, the negative pressure value at the vacuum suction nozzle can be sensed in real time, the test mainboard acquires the value of the second pressure sensor at the moment when the electronic cigarette PCBA board starts the atomization work, that is, the starting negative pressure value, if the starting negative pressure value is within the set standard range, it is considered to be qualified, otherwise, it is considered to be unqualified; the testing device of the present application can test the starting negative pressure value of the electronic cigarette PCBA board before assembly, so that the possibility of the electronic cigarette PCBA board with problems being sent to the assembly end is reduced, the repair rate and the scrap rate after assembly are reduced, and the yield of the electronic cigarette finished product is improved. In addition, the testing device of the present application only needs to place the electronic cigarette PCBA board in the to-be-tested area, and the required test items can be automatically completed in sequence by one key, the steps are extremely simple, the testing efficiency is high, the test items will not be missed due to human negligence, and the testing device is particularly suitable for large batch testing.

[0007] Preferably, the vacuum suction nozzle is arranged on the positioning jig and is arranged upward, when the electronic cigarette PCBA board is placed on the positioning jig, the first pressure sensor faces downward and corresponds to the position of the vacuum suction nozzle.

[0008] Preferably, the vacuum pump is arranged in the base, and the pressure regulating knob is arranged on the base.

[0009] Preferably, the positioning jig is also provided with one or more sets of elastic probes for contacting the downward detection contacts of the electronic cigarette PCBA board.

[0010] Preferably, the pressing assembly comprises a stand, a quick clamp, a mounting plate and a guide column, the stand is arranged on the base, the quick clamp is arranged on the stand, the guide column is arranged on the base and the stand at the upper and lower ends respectively, the mounting plate is arranged on the guide column in a sliding manner and connected with the quick clamp.

[0011] Preferably, the pressing assembly comprises a stand, a pressing cylinder and a mounting plate, the stand is arranged on the base, the pressing cylinder is arranged on the stand, and the mounting plate is arranged on the cylinder shaft of the pressing cylinder.

[0012] Preferably, the testing device further comprises a plurality of test result indicator lights electrically connected with the test mainboard, respectively used for indicating the test results of a plurality of test items.

[0013] Preferably, the testing device further comprises a buzzer electrically connected with the test mainboard, used for voice prompting of the test results.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] 1. The present application also provides a plurality of sets of elastic probes and a test mainboard, thereby realizing a plurality of detection operations such as traditional static current, output power and charging current;

[0016] 2. The present application further comprises a vacuum pump, a pressure regulating knob and a vacuum nozzle, and a second pressure sensor is additionally arranged on the test mainboard, so that the starting negative pressure value of the electronic cigarette PCBA board can be tested before assembly, thereby reducing the possibility of problematic electronic cigarette PCBA boards being left for assembly, reducing the repair rate and scrap rate after assembly, and improving the yield of electronic cigarette finished products;

[0017] 3. The testing device of the present application only needs to place the electronic cigarette PCBA board in the detection area, and can automatically complete the required test items in sequence by one key, with extremely simple steps and high test efficiency, and without missing test items due to human negligence, and is particularly suitable for large-scale testing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the testing device according to the embodiment of the present application;

[0019] Figure 2 is a top view of the testing device according to the embodiment of the present application;

[0020] Figure 3is Figure 2 A-A is a sectional view.

[0021] Reference signs: 1, base; 2, positioning fixture; 3, pressing assembly; 31, stand; 32, quick clamp; 33, mounting plate; 34, guide column; 4, elastic probe; 5, test mainboard; 51, second pressure sensor; 6, vacuum pump; 7, pressure regulating knob; 8, vacuum nozzle; 9, test result indicator light; 10, buzzer; 11, air pipe. DETAILED DESCRIPTION

[0022] The following will be described in detail in combination with the accompanying Figures 1 to 3 The present application is further described in detail.

[0023] Referring to Figures 1 to 3 , the present application discloses an automatic batch testing device for electronic cigarette PCBA board, a first pressure sensor is arranged on the electronic cigarette PCBA board, the testing device comprises a base 1, a positioning fixture 2, a pressing assembly 3, a plurality of elastic probes 4 and a test mainboard 5, the positioning fixture 2 and the pressing assembly 3 are arranged on the base 1, the positioning fixture 2 is used for positioning the electronic cigarette PCBA board, the pressing assembly 3 is used for driving the plurality of elastic probes 4 to move up and down, so that the elastic probes 4 contact the detection contacts on the electronic cigarette PCBA board, the test mainboard 5 is arranged in the base 1 and is electrically connected with the elastic probes 4, and is used for testing a plurality of performance parameters of the electronic cigarette PCBA board.

[0024] Referring to Figure 1 , the pressing assembly 3 comprises a stand 31, a quick clamp 32, a mounting plate 33 and a guide column 34, the stand 31 is arranged on the base 1, the quick clamp 32 is arranged on the stand 31, the guide column 34 is arranged on the base 1 and the stand 31 at the upper and lower ends respectively, and the mounting plate 33 is arranged on the guide column 34 in a sliding manner and is connected with the quick clamp 32.

[0025] In the present application, the power component of the pressing assembly can also adopt a pressing air cylinder, that is, the pressing assembly comprises a stand, a pressing air cylinder and a mounting plate, the stand is arranged on the base, the pressing air cylinder is arranged on the stand, and the mounting plate is arranged on the cylinder shaft of the pressing air cylinder. By adopting the automatic pressing mode, the labor intensity of the testing personnel can be reduced.

[0026] In the present application, one or more groups of elastic probes can also be arranged on the positioning fixture, which is used for contacting the downward detection contacts of the electronic cigarette PCBA board to perform corresponding test items.

[0027] The above specific testable items can be one or more of static current, output power, output voltage and charging current, which are basically the same as the testing device in the prior art, so they will not be described in detail.

[0028] With reference to Figure 3 , the test device further comprises a vacuum pump 6, a pressure regulating knob 7 and a vacuum nozzle 8, the test mainboard 5 is provided with a second pressure sensor 51, the vacuum pump 6 is connected in sequence with the second pressure sensor 51, the pressure regulating knob 7 and the vacuum nozzle 8 through an air pipe 11, the vacuum nozzle 8 is used to generate negative pressure on the first pressure sensor on the electronic cigarette PCBA board, and the test mainboard 5 is further used to obtain the value of the second pressure sensor 51 when the electronic cigarette PCBA board starts to work.

[0029] With reference to Figure 3 , the vacuum pump 6 is arranged in the base 1, the pressure regulating knob 7 is arranged on the base 1, and the specific position is the side surface of the base 1, so that the range of negative pressure generated is conveniently adjusted. The vacuum nozzle 8 is arranged on the positioning jig 2 and faces upwards, when the electronic cigarette PCBA board is placed on the positioning jig 2, the first pressure sensor faces downwards and corresponds to the position of the vacuum nozzle 8. Generally, the vacuum nozzle 8 should cover the first pressure sensor and form a sealed space, so that the air pressures detected by the first pressure sensor and the second pressure sensor 51 are consistent, so the air pressure detected by the second pressure sensor 51 when the electronic cigarette PCBA board starts to work is the starting air pressure of the electronic cigarette PCBA board.

[0030] With reference to Figure 1 , the test device further comprises a plurality of test result indicator lights 9 electrically connected with the test mainboard 5, respectively used to indicate the test results of a plurality of test items. When the corresponding test item passes, the corresponding test result indicator light 9 displays green, if the corresponding test item does not pass, the corresponding test result indicator light 9 displays red, which needs to be marked by the tester and returned for repair, so that the tester's work burden is greatly reduced and the test efficiency is improved.

[0031] With reference to Figure 3 , the test device further comprises a buzzer 10 electrically connected with the test mainboard 5, used to voice prompt the test result, when there is a test item that does not pass, the buzzer 10 can issue an alarm sound of not passing, reminding the tester to check and record, when all test items pass successfully, the buzzer 10 can issue a sound of successful passing, the specific sound setting belongs to the content of the prior art, which is not described here.

[0032] The application is based on the existing test device, and also sets multiple elastic probes 4 and test mainboards 5, so as to realize traditional static current, output power and charging current and other multiple detection operations; in addition, a vacuum pump 6, a pressure regulating knob 7 and a vacuum suction nozzle 8 are additionally arranged, a second pressure sensor 51 is additionally arranged on the test mainboard 5, when the electronic cigarette PCBA board is started for negative pressure test, the vacuum pump 6 is worked, the vacuum suction nozzle 8 generates negative pressure through the air pipe 11, when the first pressure sensor detects that the negative pressure reaches the set value, the electronic cigarette PCBA board considers that the user has a smoking action, and starts atomization work, since the second pressure sensor 51 is connected with the vacuum suction nozzle 8 through the air pipe 11, the negative pressure value at the vacuum suction nozzle 8 can be sensed in real time, the test mainboard 5 obtains the value of the second pressure sensor 51 at the moment when the electronic cigarette PCBA board starts atomization work, that is, the starting negative pressure value, if the starting negative pressure value is within the set standard range, it is judged as qualified, otherwise it is judged as unqualified; the test device of the application can test the starting negative pressure value of the electronic cigarette PCBA board before assembly, reduces the possibility of the electronic cigarette PCBA board with problems remaining to the assembly end, reduces the repair rate and scrap rate after assembly, and improves the good product rate of the electronic cigarette finished product. In addition, the test device of the application only needs to place the electronic cigarette PCBA board in the to-be-tested area, and can automatically complete the required test items in sequence through one key, the steps are extremely simple, the test efficiency is high, according to the actual use effect, the test efficiency can be improved by more than 50%, the test items will not be missed due to human negligence, and the test device is particularly suitable for large batch testing.

[0033] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A device suitable for automatic batch testing of electronic cigarette PCBA boards, wherein a first pressure sensor is provided on the electronic cigarette PCBA board, characterized in that, The test device comprises a base, a positioning jig, a pressing assembly, one or more groups of elastic probes and a test mainboard, the positioning jig and the pressing assembly are arranged on the base, the positioning jig is used for positioning an electronic cigarette PCBA board, the pressing assembly is used for driving the elastic probes to move up and down so that the elastic probes contact detection contacts on the electronic cigarette PCBA board, the test mainboard is arranged in the base and is electrically connected with the elastic probes and is used for testing multiple performance parameters of the electronic cigarette PCBA board, the test device further comprises a vacuum pump, a pressure regulating knob and a vacuum nozzle, a second pressure sensor is arranged on the test mainboard, the vacuum pump is connected with the second pressure sensor, the pressure regulating knob and the vacuum nozzle in sequence through an air pipe, the vacuum nozzle is used for generating negative pressure on the first pressure sensor on the electronic cigarette PCBA board, and the test mainboard is further used for obtaining the value of the second pressure sensor when the electronic cigarette PCBA board starts to work.

2. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 1, characterized in that, The vacuum nozzle is arranged on the positioning jig and is arranged upward, when the electronic cigarette PCBA board is placed on the positioning jig, the first pressure sensor faces downward and corresponds to the position of the vacuum nozzle.

3. The device for automatically testing the PCBA board of the electronic cigarette in batches, according to claim 1, characterized in that, The vacuum pump is arranged in the base, and the pressure regulating knob is arranged on the base.

4. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 1, characterized in that, One or more groups of elastic probes are arranged on the positioning jig and are used for contacting the downward detection contacts of the electronic cigarette PCBA board.

5. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 1, characterized in that, The pressing assembly comprises a stand, a quick clamp, a mounting plate and a guide column, the stand is arranged on the base, the quick clamp is arranged on the stand, the guide column is arranged on the base and the stand at the upper end and the lower end respectively, the mounting plate is arranged on the guide column and is connected with the quick clamp.

6. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 1, characterized in that, The pressing assembly comprises a stand, a pressing cylinder and a mounting plate, the stand is arranged on the base, the pressing cylinder is arranged on the stand, and the mounting plate is arranged on the cylinder shaft of the pressing cylinder.

7. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 1, characterized in that, The test device further comprises multiple test result indicator lamps which are electrically connected with the test mainboard and are used for indicating the test results of multiple test items respectively.

8. The device for automatically testing the PCBA board of the electronic cigarette in batches according to claim 7, characterized in that, The test device further comprises a buzzer which is electrically connected with the test mainboard and is used for voice prompting the test results.

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