CN212180963U

CN212180963U - FCT online test equipment

Info

Publication number: CN212180963U
Application number: CN201922197482.5U
Authority: CN
Inventors: 孙晓彤; 答妮; 魏建龙; 王斌; 陈帅帅; 其他发明人请求不公开姓名
Original assignee: Aerospace Liangli Electric Co ltd
Current assignee: Aerospace Liangli Electric Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-12-18
Anticipated expiration: 2029-12-10

Abstract

The utility model is suitable for a PCB board test technical field provides an online test equipment of FCT, include: a frame; the testing device is arranged on the rack and used for performing functional testing on the PCB; the carrier is driven to move by the carrier conveying line and is positioned by a blocking positioning device on the carrier conveying line, so that the projection positions of the PCB on the carrier and the testing device in the vertical direction are superposed; the lifting device is used for driving the carrier to lift, so that the PCB on the carrier is contacted with the testing device to receive power; and controlling means for control testing arrangement, carrier supply line and lifting device, the beneficial effects of the utility model are that: it drives the motion of carrier and the PCB board on it through carrier transport line, then fixes a position by blockking positioner to accomplish the test to PCB board on the carrier automatically by testing arrangement, can realize unmanned operation, promote the efficiency of software testing of PCB board greatly, can also online data save, can make things convenient for the product to trace back.

Description

FCT online test equipment

Technical Field

The utility model relates to a PCB board test technical field especially relates to an online test equipment of FCT.

Background

The FCT function test fixture is a device for testing the function of a product. The main test object is a PCBA circuit board, the PCBA needs to be tested in various aspects of performances through different fixtures, wherein the FCT test fixture mainly tests the PCBA after being electrified, and the test items mainly comprise voltage, current, power factors, frequency, duty ratio, brightness, color, character recognition, voice recognition, temperature measurement, pressure measurement, motion control, FLASH, EEPROM burning and the like.

In the prior art, the test of the PCB needs to be carried out manually, and although the test efficiency can be improved by depending on the FCT function test fixture, the manual operation is still an important factor for restricting the test efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an online test equipment of FCT aims at solving the technical problem that manual operation pointed out in the background art leads to PCB board efficiency of software testing to hang down.

The embodiment of the utility model provides a realize like this, an online test equipment of FCT, include:

a frame;

the testing device is arranged on the rack and used for performing functional testing on the PCB;

the carrier is driven to move by the carrier conveying line and is positioned by a blocking positioning device on the carrier conveying line, so that the projection positions of the PCB on the carrier and the testing device in the vertical direction are superposed;

the lifting device is used for driving the carrier to lift, so that the PCB on the carrier is contacted with the testing device to receive power; and

and the control device is used for controlling the testing device, the carrier conveying line and the lifting device.

As a further aspect of the present invention: the testing device comprises a portal frame, a needle bed and a driving piece for driving the needle bed to move, the portal frame is installed on the rack, the driving piece is installed on the portal frame, the needle bed is installed on the output end of the driving piece, and the needle bed is connected with the testing host.

As a further aspect of the present invention: the blocking and positioning device is used for moving to the stroke position of the carrier transportation line when receiving the instruction of the control device, and blocking and positioning the carrier transportation line.

As a further aspect of the present invention: the sensor is used for sending a signal to the control device when the carrier moves to a set position, so that the carrier transport line stops moving and the positioning device is blocked from moving to the stroke position of the carrier.

As a further aspect of the present invention: stop positioner and include positioning baffle, elevating system and mounting panel, elevating system passes through the mounting panel and installs on the carrier transportation line, the positioning baffle is installed on elevating system's the output.

As a further aspect of the present invention: the lifting device is installed on the rack, and the lifting device and the projection of the testing device in the vertical direction are overlapped.

As a further aspect of the present invention: the carrier is provided with a positioning cavity matched with the PCB, the carrier is provided with a plurality of positioning holes, and the corresponding position of the testing device is provided with a positioning column matched with the testing device.

Compared with the prior art, the beneficial effects of the utility model are that: it drives the motion of carrier and the PCB board on it through carrier transport line, then fixes a position by blockking positioner to accomplish the test to PCB board on the carrier automatically by testing arrangement, can realize unmanned operation, promote the efficiency of software testing of PCB board greatly, when in actual application, can also online data save moreover, can make things convenient for the product to trace back.

Drawings

FIG. 1 is a schematic diagram of an FCT online test apparatus.

FIG. 2 is a schematic diagram of a testing apparatus in an FCT in-line testing device.

FIG. 3 is a schematic structural diagram of a block positioning device in an FCT in-line test apparatus.

Fig. 4 is a schematic diagram of a carrier transport line in an FCT in-line test apparatus.

FIG. 5 is a schematic diagram of a carrier structure of an FCT in-line test equipment.

FIG. 6 is a schematic diagram of a sensor configuration in an FCT online test facility.

In the drawings: the device comprises a machine frame 1, a testing device 2, a pressing cylinder 201, a portal frame 202, a needle bed 203, a carrier 3, a blocking positioning device 4, a positioning baffle 401, a lifting cylinder 402, a mounting plate 403, a carrier transport line 5, a lifting device 6 and a sensor 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1, a structure diagram of an FCT online test apparatus provided in an embodiment of the present invention includes a frame 1, a test device 2, a carrier 3, a lifting device 6 and a control device, wherein the test device 2 is disposed on the frame 1 and is used for performing a function test on a PCB; the carrier 3 is driven to move by a carrier transport line 5 and is positioned by a blocking positioning device 4 on the carrier transport line 5, so that the projection positions of the PCB on the carrier 3 and the test device 2 in the vertical direction are superposed; the lifting device 6 is used for driving the carrier 3 to lift, so that the PCB on the carrier 3 is contacted with the testing device 2 to receive power; the control device is used for controlling the testing device 2, the carrier transport line 5 and the lifting device 6.

In practical application, the PCB to be tested is put into the carrier 3, and according to practical conditions, the number of the PCB may be multiple, then the carrier transport line 5 drives the carrier 3 carrying the PCB to move, when the PCB moves to the projection position of the testing device 2, the carrier transport line 5 stops moving, and the blocking and positioning device 4 positions the PCB, then the control device controls the carrier 3 to ascend, so that the PCB on the carrier 3 contacts and receives power with the testing device 2, thereby realizing the testing of the PCB, after the testing is completed, the carrier 3 descends, the PCB on the carrier transport line 5 is sent out to wait for testing the next batch of PCB, and here, the control device may be a siemens 600 series PLC controller. The unmanned operation can be realized, and the test efficiency of the PCB is greatly improved.

In one aspect of this embodiment, the carrier transport line 5 may be driven by a motor to move a chain, so as to transport the carrier 3.

As shown in fig. 2, as a preferred embodiment of the present invention, the testing device 2 includes a gantry 202, a needle bed 203 and a driving element for driving the needle bed 203 to move, the gantry 202 is installed on the frame 1, the driving element is installed on the gantry 202, the needle bed 203 is installed on the output end of the driving element, and the needle bed 203 is connected with the testing host. Here, the test host belongs to the prior art, and unnecessary description is not carried out to it here, and test result and test data all can be preserved in the test host, make things convenient for the retrospection in later stage.

When the testing device 2 contacts with the carrier 3, the driving member drives the needle bed 203 to move, so that the needle bed contacts with the contact on the corresponding PCB, and then the needle bed is powered on to detect the needle bed.

As shown in fig. 3, as another preferred embodiment of the present invention, the blocking and positioning device 4 is used for moving to the stroke position of the carrier transportation line 5 to block and position the carrier transportation line 5 when receiving the command from the control device.

As shown in fig. 6, as another preferred embodiment of the present invention, the present invention further comprises a sensor 7 installed on the carrier transportation line 5 and communicating with the control device, wherein the sensor 7 is used for sending a signal to the control device when the carrier 3 moves to a set position, so that the carrier transportation line 5 stops moving and the blocking positioning device 4 stops moving to a stroke position of the carrier 3.

In one aspect of the present embodiment, the sensor 7 is preferably a distance sensor, and because the position of the sensor is fixed, when the carrier 3 moves to the set position, the sensor is sensed by the distance sensor, and then the distance sensor sends a signal to the control device, and the control device controls the carrier transport line 5 to stop moving, and at the same time, the blocking and positioning device 4 moves to the stroke position of the carrier transport line 5, so as to block and position the carrier transport line 5.

As shown in fig. 3, as another preferred embodiment of the present invention, the blocking and positioning device 4 comprises a positioning baffle 401, an elevating mechanism and a mounting plate 403, the elevating mechanism is mounted on the carrier transport line 5 through the mounting plate 403, and the positioning baffle 401 is mounted on the output end of the elevating mechanism.

After the control device receives the signal of the distance sensor, the lifting mechanism drives the positioning baffle 401 to ascend, so that the positioning baffle 401 enters the travel route of the carrier 3 to block and position the carrier 3, in one case of the embodiment, the lifting mechanism can be a lifting cylinder 402, and in actual application, other devices with the same function such as an electric cylinder and an oil cylinder can be selected, and no specific limitation is performed; here, the number of the barrier positioning devices 4 may be plural, the front and rear ends of the carrier 3 are positioned, and the trigger time of the front and rear barrier positioning devices 4 may be delayed or deviated.

As shown in fig. 1-2, as another preferred embodiment of the present invention, the lifting device 6 is installed on the frame 1, and the lifting device 6 coincides with the projection of the testing device 2 in the vertical direction.

In one embodiment of the present invention, the lifting device 6 is an air cylinder, but in practical applications, other devices with the same function, such as an electric cylinder, an oil cylinder, etc., may be used, and are not limited specifically herein.

As shown in fig. 5, as another preferred embodiment of the present invention, a positioning cavity matched with the PCB is disposed on the carrier 3, a plurality of positioning holes are disposed on the carrier 3, and a positioning column matched with the testing device 2 is disposed at a corresponding position.

Through the cooperation of locating hole and reference column, the similar upper and lower mould cooperation mode in the mould has higher positioning accuracy, can realize the accurate contact of needle bed 203 and PCB board.

The above embodiment of the utility model provides an online test equipment of FCT, it drives carrier 3 and the PCB board motion on it through carrier supply line 5, then fixes a position by stopping positioner 4 to accomplish the test to the PCB board on the carrier 3 automatically by testing arrangement, can realize unmanned operation, promote the efficiency of software testing of PCB board greatly, in addition when the in-service use, can also save online data, can make things convenient for the product to trace back.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An FCT online test apparatus, comprising:

a frame;

2. The FCT online test equipment as claimed in claim 1, wherein the testing device comprises a gantry, a needle bed and a driving element for driving the needle bed to move, the gantry is mounted on the frame, the driving element is mounted on the gantry, the needle bed is mounted on an output end of the driving element, and the needle bed is connected with the test host.

3. The FCT online test equipment as claimed in claim 1, wherein the blocking and positioning device is configured to move to a stroke position of the carrier transport line to block and position the carrier transport line when receiving the command from the control device.

4. The FCT online test equipment of claim 3, further comprising a sensor mounted on the carrier transport line and in communication with the control device, the sensor configured to send a signal to the control device when the carrier moves to a set position, to stop the carrier transport line from moving and to block the positioning device from moving to a travel position of the carrier.

5. An FCT online test equipment as claimed in claim 1, 2, 3 or 4 wherein the blocking and positioning device comprises a positioning baffle, a lifting mechanism and a mounting plate, the lifting mechanism is mounted on the carrier transport line through the mounting plate, and the positioning baffle is mounted on the output end of the lifting mechanism.

6. An FCT online test apparatus according to claim 1, wherein the lifting device is mounted on a rack and coincides with the projection of the test device in the vertical direction.

7. The FCT online test apparatus as recited in claim 1, wherein the carrier has a positioning cavity matching with the PCB, the carrier has a plurality of positioning holes, and the testing device has a positioning post matching with the carrier at a corresponding position.