PCBA board full-automatic high-temperature aging test equipment

Abstract

The utility model discloses full-automatic high-temperature aging test equipment for PCBA (printed circuit board assembly) boards, which comprises a test equipment body, a lifting type test device, an operation button, an operation panel and a ventilation window, and is characterized in that the middle part of the top end of the test equipment body is provided with the lifting type test device with an embedded structure; operation buttons which are symmetrically distributed are installed on the left side and the right side of the lifting type testing device, an operation panel with a 45-degree inclination angle is installed at the rear ends of the lifting type testing device and the operation buttons, and ventilation windows which are symmetrically distributed are formed in the left side and the right side of the testing equipment body. According to the high-temperature aging test equipment, the labor intensity during test can be reduced and the test efficiency can be improved through the automatic design, and the operation is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a full -automatic high temperature ageing test equipment especially relates to a PCBA board full -automatic high temperature ageing test equipment. BACKGROUND

[0002] PCBA board needs to pass through high temperature ageing test to expose and eliminate potential defects in the production process, and most of existing test equipment adopts manual operation, and the test efficiency is low, so a new type of PCBA board full -automatic high temperature ageing test equipment with full -automatic operation and simple and convenient operation and high efficiency is required. UTILITY MODEL CONTENTS

[0003] The utility model is provided with a PCBA board full -automatic high temperature ageing test equipment to solve the above -mentioned technical problem.

[0004] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0005] A PCBA board full -automatic high temperature ageing test equipment, including test equipment body, lifting type testing device, operation button, operation panel, air window, the lifting type testing device of embedded structure is installed in the middle part of test equipment body top, the operation button of symmetrical distribution is installed to the both sides of lifting type testing device, the operation panel of 45 degree angle is installed to the rear end of lifting type testing device, operation button, the air window of symmetrical distribution is opened to the both sides of test equipment body.

[0006] On the basis of the above technical scheme, the lifting type test device comprises a test device mounting groove, a PCBA board test frame cover plate, a temperature sensor, a sealing gasket, a PCBA board test frame, an aging test box, a ventilation device, a cold air inlet, a refrigeration compressor unit, a resistance heater mounting groove, an electric push rod mounting groove, a resistance heater, an electric push rod, and an electric push rod mounting frame. The test device mounting groove is formed in the middle of the top of the test equipment body. The PCBA board test frame cover plate is mounted on the inner side of the test device mounting groove. The temperature sensor with an embedded structure is mounted on the middle of the top of the PCBA board test frame cover plate. The sealing gasket is fixedly attached to the bottom of the PCBA board test frame cover plate, and the PCBA board test frame is fixedly welded to the inner middle of the PCBA board test frame cover plate. The aging test box is connected to the PCBA board test frame through plug-in connection. The ventilation device with an embedded structure is mounted on the top of the left and right ends of the aging test box. The cold air inlet is arranged on the top of the inner rear end of the aging test box and connected to the rear refrigeration compressor unit through a pipeline. The resistance heater mounting groove is formed in the bottom of the aging test box. The electric push rod mounting grooves are symmetrically formed on the two sides of the resistance heater mounting groove. The resistance heater is fixedly screwed on the inner side of the resistance heater mounting groove. The electric push rod is mounted on the inner side of the electric push rod mounting groove. The electric push rod is fixed on the bottom of the two sides of the PCBA board test frame through screws on the top of the electric push rod. The electric push rod is fixed on the inner bottom of the electric push rod mounting groove through bolts. The electric push rod mounting frame is fixed on the inner bottom of the test equipment body through screws.

[0007] On the basis of the above technical scheme, the ventilation device comprises a ventilation valve shell, a ventilation port, a connecting shaft mounting groove, a synchronous gear mounting groove, a movable plate, a sealing ring, a connecting shaft, a driven synchronous gear, a synchronous belt, a driving synchronous gear, and a servo motor. Three groups of symmetrically distributed ventilation ports are formed on the surface of the right end of the ventilation valve shell. The connecting shaft mounting grooves are formed on the inner side of the ventilation valve shell between the ventilation ports. The synchronous gear mounting grooves are formed on the inner side of the ventilation valve shell at the rear end of the connecting shaft mounting grooves. The movable plates are mounted on the inner side of the ventilation valve shell between the ventilation ports. The sealing rings are fixedly attached to the surfaces of the movable plates. The connecting shafts are connected between the movable plates through fixed welding. The connecting shafts are hingedly mounted on the inner side of the connecting shaft mounting grooves and have the key-connected driven synchronous gears mounted at the rear ends. The driven synchronous gears are meshingly connected to the driving synchronous gears at the right end through a belt. The driven synchronous gears and the driving synchronous gears are both mounted on the inner side of the synchronous gear mounting grooves and connected through bearing hinging. The servo motor is key-connected to the middle of the rear end of the driving synchronous gear.

[0008] Compared with the prior art, the utility model has the advantages that: the utility model test equipment can realize the automatic lifting through the lifting type test device to facilitate the installation and placement of PCBA board and cooperate with the internal refrigeration compressor unit, resistance heater to realize the aging test of cold and hot alternation, then cooperate with the air exchange device to realize the air exchange, high temperature pressure relief and simple and convenient operation, further reduce the labor intensity during operation, improve the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the appearance structure schematic diagram of the utility model.

[0010] Fig. 2 It is the lifting type test device structure schematic diagram of the utility model.

[0011] Fig. 3 It is the air exchange device structure schematic diagram of the utility model.

[0012] In the drawing: 1, test equipment body, 2, lifting type test device, 3, operation button, 4, operation panel, 5, air exchange window, 6, test device installation groove, 7, PCBA board test stand cover plate, 8, temperature sensor, 9, sealing gasket, 10, PCBA board test stand, 11, aging test box, 12, air exchange device, 13, cold air inlet, 14, refrigeration compressor unit, 15, resistance heater installation groove, 16, electric push rod installation groove, 17, resistance heater, 18, electric push rod, 19, electric push rod mounting bracket, 20, air exchange valve shell, 21, vent, 22, connecting shaft installation groove, 23, synchronous gear installation groove, 24, movable plate, 25, sealing ring, 26, connecting shaft, 27, driven synchronous gear, 28, synchronous belt, 29, driving synchronous gear, 30, servo motor. DETAILED DESCRIPTION

[0013] The utility model will be further described in detail below in connection with the drawings and specific embodiment.

[0014] As Figs. 1-3 Shown, a kind of PCBA board full-automatic high-temperature aging test equipment, including test equipment body 1, lifting type test device 2, operation button 3, operation panel 4, air exchange window 5, the test equipment body 1 top middle part is installed with the lifting type test device 2 of embedded structure, the lifting type test device 2 both sides left and right sides are installed with the operation button 3 of symmetrical distribution, the lifting type test device 2, operation button 3 rear end is installed with the operation panel 4 of 45 degree angle of inclination, the test equipment body 1 left and right sides are opened with the air exchange window 5 of symmetrical distribution.

[0015] The lifting type test device 2 includes a test device mounting groove 6, a PCBA board test rack cover plate 7, a temperature sensor 8, a sealing gasket 9, a PCBA board test rack 10, an aging test box 11, an air exchange device 12, a cold air inlet 13, a refrigeration compressor set 14, a resistance heater mounting groove 15, an electric push rod mounting groove 16, a resistance heater 17, an electric push rod 18, and an electric push rod mounting bracket 19. The test device body 1 is provided with the test device mounting groove 6 in the middle of the top end, the PCBA board test rack cover plate 7 is mounted inside the test device mounting groove 6, the temperature sensor 8 with an embedded structure is mounted in the middle of the top end of the PCBA board test rack cover plate 7, the sealing gasket 9 is fixedly bonded to the bottom end of the PCBA board test rack cover plate 7, and the PCBA board test rack 10 is welded to the inside middle part. The aging test box 11 is connected by plug-in connection around the bottom end of the PCBA board test rack 7, the air exchange device 12 with an embedded structure is mounted at the top of the left and right ends of the aging test box 11, the cold air inlet 13 is arranged at the top of the inside rear end of the aging test box 11 and connected with the refrigeration compressor set 14 at the rear end through a pipeline, the resistance heater mounting groove 15 is opened at the bottom of the aging test box 11, the electric push rod mounting groove 16 is symmetrically distributed on both sides of the resistance heater mounting groove 15, the resistance heater 17 is fixedly screwed inside the electric push rod mounting groove 16, the electric push rod 18 is mounted inside the electric push rod mounting groove 16, the electric push rod 18 is fixedly screwed at the bottom end of both sides of the PCBA board test rack 10 at the top, the electric push rod 18 is fixedly screwed at the inside bottom end of the electric push rod mounting bracket 19, and the electric push rod mounting bracket 19 is fixedly screwed at the inside bottom of the test device body 1.

[0016] The ventilation device 12 comprises a ventilation valve shell 20, ventilation openings 21, a connecting shaft mounting groove 22, a synchronous gear mounting groove 23, movable plates 24, sealing rings 25, a connecting shaft 26, a driven synchronous gear 27, a synchronous belt 28, a driving synchronous gear 29, a servo motor 30, three groups of symmetrical ventilation openings 21 are formed on the right end surface of the ventilation valve shell 20, the connecting shaft mounting groove 22 is formed on the inner side of the ventilation valve shell 20 between the ventilation openings 21, the synchronous gear mounting groove 23 is formed on the inner side of the ventilation valve shell 20 at the rear end of the connecting shaft mounting groove 22, the movable plates 24 are mounted on the middle part of the ventilation openings 21 on the inner side of the ventilation valve shell 20, the sealing rings 25 are fixedly attached on the surface of the movable plates 24, the connecting shaft 26 is connected between the movable plates 24 through welding, the connecting shaft 26 is hingedly mounted on the inner side of the connecting shaft mounting groove 22 and the driven synchronous gear 27 is fixedly connected to the rear end of the connecting shaft 26 through a key, the driven synchronous gear 27 is meshingly connected with the driving synchronous gear 29 at the right end through the belt 28, the driving synchronous gear 29 is fixedly connected to the rear end of the driving synchronous gear 29 through a key, and the driven synchronous gear 27 and the driving synchronous gear 29 are hingedly connected on the inner side of the synchronous gear mounting groove 23 through bearings.

[0017] The working principle of the utility model is: firstly, the PCBA board test frame is driven to ascend by the electric push rod and is separated from the aging test box to facilitate the PCBA board to be put into the PCBA board test frame, then the PCBA board to be tested is placed in the PCBA board test frame through other conveying equipment, then the PCBA board test frame is reset by the electric push rod, then the aging test temperature is set according to the operation panel and operation button, then the PCBA board is tested at high temperature and low temperature by the resistance heater and compression refrigerating unit and the temperature around the aging test box and the PCBA board test frame is detected by the temperature sensor, then the aging of the PCBA board is accelerated by repeated high temperature and low temperature changes to realize the aging test, then when the aging test box needs to be ventilated and pressure released, the driving synchronous gear is rotated by the servo motor, then the driven driving gear, the connecting shaft and the movable plate are rotated by the belt of the driving synchronous gear to adjust the ventilation size of the ventilation opening to accelerate heat dissipation, high temperature pressure release and heat preservation, then the high temperature air and the cold air can be conveyed to the ventilation window of the test equipment body through the air outlet, and then the tested PCBA board can be taken out for the next batch of test after the PCBA board test frame is driven to ascend by the electric push rod.

[0018] The above is the preferred embodiment of the utility model, and for the ordinary skilled in the art, according to the teaching of the utility model, the change, modification, replacement and transformation of the embodiment without departing from the principle and spirit of the utility model still fall within the protection scope of the utility model.

Claims

1. A full-automatic high-temperature aging test equipment for PCBA board, comprising a test equipment body (1), a lifting test device (2), an operation button (3), an operation panel (4), and an air exchange window (5), characterized in that: The test equipment body (1) top middle part is equipped with the embedded structure's lifting test device (2), the lifting test device (2) both sides are equipped with the symmetric distribution's operating button (3), the lifting test device (2), operating button (3) rear end is equipped with the 45 degree angle's operating panel (4), the test equipment body (1) both sides are opened symmetrically and are equipped with the air exchange window (5).

2. The PCBA board full-automatic high-temperature aging test equipment according to claim 1, characterized in that: The lifting test device (2) includes test device installation groove (6), PCBA board test frame cover plate (7), temperature sensor (8), sealing gasket (9), PCBA board test frame (10), aging test box (11), air exchange device (12), cold air inlet (13), refrigeration compressor unit (14), resistance heater installation groove (15), electric push rod installation groove (16), resistance heater (17), electric push rod (18), electric push rod mounting bracket (19), the test equipment body (1) top middle part is opened test device installation groove (6), the test device installation groove (6) inner side is equipped with PCBA board test frame cover plate (7), the PCBA board test frame cover plate (7) top middle part is equipped with the embedded structure's temperature sensor (8), the PCBA board test frame cover plate (7) bottom end is equipped with the fixed sealing gasket (9) and inner side middle part is equipped with the welded PCBA board test frame (10), the PCBA board test frame (7) bottom end is equipped with the inserted connection's aging test box (11), the aging test box (11) both ends top is equipped with the embedded structure's air exchange device (12), the aging test box (11) inner side rear end top is provided with cold air inlet (13) and is connected with the rear refrigeration compressor unit (14) through pipeline, the aging test box (11) bottom is opened resistance heater installation groove (15), the resistance heater installation groove (15) both sides are opened symmetrically and are equipped with electric push rod installation groove (16), the resistance heater installation groove (15) inner side is equipped with the screw-fixed resistance heater (17), the electric push rod installation groove (16) inner side is equipped with electric push rod (18), the electric push rod (18) top is fixed in PCBA board test frame (10) bottom end both sides through screw, the electric push rod (18) is fixed in electric push rod mounting bracket (19) inner side bottom through bolt, the electric push rod mounting bracket (19) is fixed in test equipment body (1) inner side bottom through screw. 3.The PCBA board full-automatic high-temperature aging test equipment according to claim 2, characterized in that: The ventilation device (12) includes ventilation valve shell (20), vent (21), connecting shaft installation slot (22), synchronous gear installation slot (23), movable plate (24), sealing ring (25), connecting shaft (26), driven synchronous gear (27), synchronous belt (28), driving synchronous gear (29), servo motor (30), the right end surface of ventilation valve shell (20) is opened three groups of symmetrically distributed vents (21), the inside of ventilation valve shell (20), connecting shaft installation slot (22) between vent (21) is opened, the inside of ventilation valve shell (20), connecting shaft installation slot (22) rear end is opened synchronous gear installation slot (23), the inside of ventilation valve shell (20), movable plate (24) is installed between vent (21) middle part, the surface of movable plate (24) is installed with adhesively fixed sealing ring (25), the movable plate (24) is connected through the welding fixed connecting shaft (26), the connecting shaft (26) is hingedly installed in the inside of connecting shaft installation slot (22) and the rear end is installed with the driven synchronous gear (27) of key connection, the driven synchronous gear (27) is connected through the meshing of belt (28) and the right end driving synchronous gear (29), the driven synchronous gear (27), driving synchronous gear (29) are all installed in the inside of synchronous gear installation slot (23) and are connected through bearing hinged connection, the rear end middle part of driving synchronous gear (29) is installed with the servo motor (30) of key connection.

Images