CN216351056U

CN216351056U - Intelligence wrist-watch PCBA's testing arrangement

Info

Publication number: CN216351056U
Application number: CN202121802770.XU
Authority: CN
Inventors: 吴大军
Original assignee: Shenzhen Xiaoju Intelligent Technology Co ltd
Current assignee: Shenzhen Xiaoju Intelligent Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-04-19
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a testing device of a PCBA (printed circuit board assembly) of an intelligent watch, which comprises a testing frame, wherein a testing jig is installed on the testing frame, the testing jig comprises a top plate and a bottom plate, the bottom plate is installed and fixed on the testing frame, an installation cavity is formed in the testing frame, the bottom plate covers the installation cavity, a PCB (printed circuit board) is installed in the installation cavity, a thimble, a testing bottom plate power supply switch, a testing bottom plate battery charging switch, a main control chip, a communication interface, a serial port, a voltage detection interface, a firmware burning interface, an I2C expansion interface and a switch interface are installed on the PCB, one end, far away from the testing frame, of the bottom plate is connected with a connecting plate, a plurality of PCBA placing grooves are formed in the connecting plate, the PCBA placing grooves are used for placing the PCBA, and the thimble is inserted into the PCBA placing grooves. The utility model has simple operation and high efficiency.

Description

Intelligence wrist-watch PCBA's testing arrangement

Technical Field

The utility model relates to the field of testing of a PCBA (printed circuit board assembly) of an intelligent watch, in particular to a testing device of the PCBA of the intelligent watch.

Background

The intelligent watch PCBA test generally needs the support of test fixture, through giving the test fixture bottom plate programming, drive screen display, button, LCD etc. realize the control and the demonstration of test fixture bottom plate to test PCBA. Because the testing bottom plate is controlled by the single chip microcomputer, the programming difficulty is large, the time is long, the modification is inconvenient, and the flexibility is poor. After the test fixture obtains the PCBA parameters, the parameters of different devices and different batches can not be flexibly set, the test fixture can not automatically judge whether the parameters pass or not, the worker needs to perform key feedback judgment, the worker needs to monitor the test progress all the time, one worker can only operate one test fixture, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of a testing device of the PCBA of the intelligent watch, which can solve the problem.

The utility model is realized by the following technical scheme: the utility model provides an intelligence wrist-watch PCBA's testing arrangement, including the test jig, install test fixture on the test jig, test fixture is including roof and bottom plate, the bottom plate installation is fixed on the test jig, be provided with the installation cavity in the test jig, the bottom plate covers the installation cavity, install the PCB board in the installation cavity, install the thimble on the PCB board, test bottom plate power switch, test bottom plate battery charging switch, the master control chip, communication interface, the serial ports, the interface is listened to the voltage, the firmware burns the interface, I2C extends the interface, the switch interface, the one end that the test jig was kept away from to the bottom plate is connected with the connecting plate, be provided with a plurality of PCBA standing grooves on the connecting plate, the PCBA standing groove is used for placing PCBA, the thimble inserts to the PCBA standing groove.

As a preferred technical scheme, a test baseboard power supply switch and a test baseboard charging switch are arranged on one side of a baseboard; the bottom plate is provided with a supporting rod, the supporting rod is connected with the top plate, the top plate is provided with a driving assembly, the driving assembly is connected with a press cover, the press cover is located above the connecting plate and is opposite to the connecting plate, and the driving assembly drives the press cover to ascend or descend.

As a preferred technical scheme, a PCB is fixed on a bottom plate, and a power supply interface wireless transmission module are also installed on the PCB; the bottom plate power supply switch is used for controlling the on-off of the power supply, and when the power supply is full of power, the testing bottom plate battery charging switch is pressed down, and the power supply stops charging.

As the preferred technical scheme, the communication interface is electrically connected with the thimble.

According to a preferable technical scheme, the thimble comprises a VCC thimble and a GND thimble, the serial port comprises a receiving port RX and a transmitting port TX, and the transmitting port TX is connected with external electronic equipment.

As the preferred technical scheme, the main control chip is arranged in the middle of the PCB, and the serial port and the power interface are arranged on the same side of the PCB.

The utility model has the beneficial effects that: the method solves the problems that the conventional PCBA test is incomplete, consumes long time, excessively depends on manual operation, and causes misjudgment, misjudgment and high manual expenditure due to manual operation, and solves the problems of high rework rate, disordered management and difficult summary tracing of the conventional method.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

fig. 2 is a view showing the mounting of each electronic component on the PCB panel of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a front view of the present invention;

fig. 5 is a top view of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, including test jig 1, install test fixture on the test jig 1, test fixture is including roof 2 and bottom plate 13, bottom plate 13 installs and fixes on test jig 1, be provided with the installation cavity in the test jig 1, bottom plate 13 covers the installation cavity, install PCB 3 in the installation cavity, install thimble 17 on the PCB 3, test bottom plate power switch, test bottom plate battery charging switch, main control chip 16, communication interface 5, serial ports 8, voltage detection interface 11, firmware burns interface 10, I2C extends interface 6, switch interface 7, the one end that bottom plate 13 kept away from test jig 1 is connected with connecting plate 18, be provided with a plurality of PCBA standing grooves on connecting plate 18, the PCBA standing groove is used for placing PCBA, thimble 17 inserts to the PCBA standing groove.

Wherein, the test baseboard power supply switch and the test baseboard charging switch are arranged at one side of the baseboard 13; the bottom plate 13 is provided with a support rod 15, the support rod 15 is connected with the top plate 2, the top plate 2 is provided with a driving assembly, the driving assembly is connected with a press cover 20, the press cover 20 is positioned above the connecting plate and is opposite to the connecting plate, and the driving assembly drives the press cover 20 to ascend or descend.

The technical scheme is that the driving assembly can adopt two different structures of an automatic type or a manual type when in use, the automatic type can comprise a cylinder seat arranged on a top plate, a cylinder is fixed on the cylinder seat, a press cover is fixed on a piston rod of the cylinder, and the piston rod of the cylinder is driven to stretch up and down through a switch on the cylinder; the manual structure can be that the handle 23 of slidable mounting at the top plate, handle 23 are connected with connecting rod 26, and the connecting rod is fixed with the pressfitting lid, and the handle slides from top to bottom and has driven the pressfitting lid to slide from top to bottom, is convenient for carry out the pressfitting. The manual formula also can adopt other structures that can drive the gland and reciprocate.

The PCB 3 is fixed on the bottom plate 13, and the PCB 3 is also provided with a power supply and power supply interface 9 and a wireless transmission module; the power supply switch of the bottom plate 13 is used for controlling the on-off of the power supply, and when the power supply is full, the charging switch of the battery of the testing bottom plate is pressed down, and the power supply stops charging.

Wherein, the communication interface 5 is electrically connected to the thimble 17.

The thimble 17 includes a VCC thimble and a GND thimble, the serial port 8 includes a receiving port RX and a transmitting port TX, and the transmitting port TX is connected to an external electronic device (e.g., a computer). VCC and GND thimbles are power supply contact points of the PCBA to be tested. Two thimbles on the top are PCBA charging contacts, the inner side is positive, and the outer side is negative. When the PCBA begins the charge test, the backplane switching circuitry is tested so that the PCBA can charge the backplane battery. The serial port receiving port RX and the serial port transmitting port TX are the transceiving paths for the communication between the PCBA and the serial port of the test base plate. Other thimbles are used when burning firmware at another station.

The main control chip 16 is disposed in the middle of the PCB 3, and the serial port 8 and the power interface 9 are disposed on the same side of the PCB 3. The middle is a main control chip, and other modules are distributed around. The power interface and the serial port are respectively connected with a power supply and a computer serial port through leads, and the power interface and the serial port are arranged on the same side of the bottom plate to facilitate wiring. The thimble and the key need to be connected to each self-control module by connecting wires.

One serial port is used for connecting PCBA communication, and the other serial port is connected with a computer and is a connecting bridge of the PCBA and computer software. After the computer software obtains the MAC address sent by the test fixture from the serial port, the computer software establishes Bluetooth connection with the PCBA to directly control the PCBA test. The overall test flow is as follows:

1. PCBA is put into the jig groove position, and the test jig is pressed.

2. The test jig detects that a board exists, the PCBA 1.8V voltage is started to be detected, and voltage data are sent to computer software from a serial port.

3. The PCBA and the test jig are in power supply pin contact, the charging and starting are carried out, and the MAC address information is actively sent to the test jig from the serial port.

4. The test jig obtains the MAC address information and forwards the MAC address information to computer software from the serial port.

5. After obtaining the MAC address information, the computer software starts to use the Bluetooth to search the PCBA with the MAC address, and after the PCBA is searched, the RSSI signal quality of the PCBA is checked and the Bluetooth connection is established.

6. The computer software and the PCBA establish Bluetooth connection, and send an equipment information inquiry instruction to inquire the PCBA information.

7. After the software finishes one test, the next test is executed in sequence until all the test items are finished.

8. Summarize whether all test items passed, show the final results.

9. And lifting the test frame and taking away the PCBA to complete the test.

The method solves the problems that the conventional PCBA test is incomplete, consumes long time, excessively depends on manual operation, and causes misjudgment, misjudgment and high manual expenditure due to manual operation, and solves the problems of high rework rate, disordered management and difficult summary tracing of the conventional method.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a testing arrangement of intelligence wrist-watch PCBA, includes test jig (1), its characterized in that: install a plurality of test fixture on test jig (1), test fixture is including roof (2) and bottom plate (13), bottom plate (13) installation is fixed on test jig (1), be provided with the installation cavity in test jig (1), bottom plate (13) cover the installation cavity, install PCB board (3) in the installation cavity, install thimble (17) on PCB board (3), test bottom plate power switch, test bottom plate battery charging switch, main control chip (16), communication interface (5), serial ports (8), interface (11) are listened to the voltage, firmware burns interface (10), I2C expands interface (6), switch interface (7), the one end that test jig (1) was kept away from in bottom plate (13) is connected with connecting plate (18), be provided with a plurality of PCBA standing grooves on connecting plate (18), the PCBA standing groove is used for placing PCBA, thimble (17) insert to the PCBA standing groove.

2. The testing device of the PCBA of the intelligent watch of claim 1, wherein: the test bottom plate power supply switch and the test bottom plate charging switch are arranged on one side of the bottom plate (13); the supporting rod (15) is installed on the bottom plate (13), the supporting rod (15) is connected with the top plate (2), the driving assembly is installed on the top plate (2), the driving assembly is connected with the pressing cover (20), the pressing cover (20) is located above the connecting plate and is opposite to the connecting plate, and the driving assembly drives the pressing cover (20) to ascend or descend.

3. The testing device of the PCBA of the intelligent watch of claim 1, wherein: the PCB (3) is fixed on the bottom plate (13), and the PCB (3) is also provided with a power supply, a power supply interface (9) and a wireless transmission module; the power supply switch of the bottom plate (13) is used for controlling the on-off of the power supply, and when the power supply is full, the battery charging switch of the testing bottom plate is pressed down, and the power supply stops charging.

4. The testing device of the PCBA of the intelligent watch of claim 1, wherein: the communication interface (5) is electrically connected with the thimble (17).

5. The testing device of the PCBA of the intelligent watch of claim 1, wherein: the thimble (17) comprises a VCC thimble and a GND thimble, the serial port (8) comprises a receiving port RX and a sending port TX, and the sending port TX is connected with external electronic equipment.

6. The testing device of the PCBA of the intelligent watch of claim 1, wherein: the main control chip (16) is arranged in the middle of the PCB (3), and the serial port (8) and the power interface (9) are arranged on the same side of the PCB (3).