Burning test jig and burning test device

Abstract

The utility model provides a burning test jig and a burning test device, and belongs to the technical field of burning test. The burning test frame comprises a burning device, and the top of the burning device is provided with a lifting mechanism and a bearing plate used for placing a PCBA. A bearing plate is installed at the top of a burning device, a PCBA is placed on the bearing plate, meanwhile, a lifting mechanism is installed at the top of the burning device, a detection plate is installed at the bottom of the lifting mechanism, and a positioning piece is installed at the bottom of the detection plate, so that the lifting mechanism drives the detection plate to move downwards, and after the PCBA is positioned by the positioning piece, the bearing plate is driven to move downwards; when the PCBA interface is connected with the connector of the burning device for burning and power failure is carried out during burning, the lifting mechanism drives the detection plate to move upwards, and the reset assembly drives the bearing plate to reset, so that the PCBA interface is separated from the connector of the burning device, and after the PCBA interface is separated from the connector of the burning device, the PCBA can be positioned through the positioning piece so as to avoid dislocation.

Description

Technical Field

[0001] The present application relates to the field of burning test, and in particular to a burning test rack and a burning test device. Background Art

[0002] Currently, DCS controller products undergo programming and testing after the PCBA is assembled. The programmer is placed on a programming device test stand, and the programmer's connector is connected to the PCBA interface via the programming device test stand's lifting mechanism. The program stored in the computer is then programmed into the PCBA. The lifting mechanism then moves the programmer connector upward, separating it from the PCBA interface and powering it off. The power is then reconnected, and the PCBA is observed to see if it functions properly, completing the programming test. However, during the process of separating the programmer connector from the PCBA interface, the PCBA may slightly deflect when the programmer connector is removed, causing misalignment between the PCBA interface and the programmer connector. This requires realignment of the PCBA, which can affect programming efficiency to some extent. To address this issue, we have proposed a programming test stand and a programming test device. Utility Model Content

[0003] In order to make up for the above shortcomings, the present application provides a burning test stand and a burning test device, which aim to improve the problem that the existing burning test stand is inconvenient to position the PCBA when it is separated and powered off.

[0004] In the first aspect, an embodiment of the present application provides a burning test stand, including a burning device, a lifting mechanism and a carrier plate for placing a PCBA are installed on the top of the burning device, a detection board is installed at the bottom of the lifting mechanism, a positioning member is installed at the bottom of the detection board and is plugged into the carrier plate, and a reset component is connected between the carrier plate and the burning device.

[0005] In a specific embodiment, the lifting mechanism includes a fixing frame fixedly mounted on the top of the burning device, a lifting assembly is mounted on the fixing frame, and the detection plate is fixedly connected to the bottom of the lifting assembly.

[0006] In a specific embodiment, a U-shaped frame is fixedly installed on the top of the detection plate, an electric push rod is installed on the U-shaped frame, a buffer is connected to the bottom of the electric push rod output shaft, a mounting block that slides through the detection plate is installed at the bottom of the buffer, and several test probes are installed on the mounting block.

[0007] In a specific embodiment, the buffer member includes a connecting tube, which is fixedly connected to the top of the mounting block and has a connecting rod sliding inside. One end of the connecting rod slides through the top of the connecting tube and is connected to the output shaft of the electric push rod. A buffer spring is connected between the other end of the connecting rod and the bottom of the connecting tube.

[0008] In a specific embodiment, the positioning member includes a plurality of positioning rods, and the plurality of positioning rods are fixedly installed on the bottom of the detection plate, and a pressure block is fixedly sleeved thereon, and the plurality of positioning rods can be plugged into the supporting plate.

[0009] In a specific embodiment, a plurality of positioning tubes are connected through the carrying plate, and the plurality of positioning tubes slide through the top of the burning device housing, and the positioning rods can be inserted into the positioning tubes.

[0010] In a specific embodiment, the reset assembly includes several limit blocks, several of which are fixedly mounted on the top of the burning device housing, and several of which are sleeved with reset springs, and the two ends of the reset springs are respectively connected to the top of the burning device and the bottom of the supporting plate.

[0011] In a second aspect, the present application further provides a burning test device, comprising

[0012] The burning test stand mentioned above.

[0013] Beneficial effects of this application:

[0014] 1. Install a carrier plate on the top of the programming device and place the PCBA on the carrier plate. Install a lifting mechanism on the top of the programming device, install a detection plate at the bottom of the lifting mechanism, and install a positioning piece at the bottom of the detection plate. The lifting mechanism drives the detection plate downward, and after the positioning piece positions the PCBA, it drives the carrier plate downward, and then connects the PCBA interface to the connector of the programming device for programming. When the power is off, the lifting mechanism drives the detection plate upward, and the reset component drives the carrier plate to reset, so that the PCBA interface and the connector of the programming device are separated. After separation, the PCBA can be positioned by the positioning piece to avoid misalignment.

[0015] 2. Install a U-shaped frame on the test board, install an electric push rod on the U-shaped frame, install a buffer at the bottom of the electric push rod, connect the bottom of the buffer to the mounting block, and install several test probes on the mounting block. After the PCBA is burned, the electric push rod drives the test probe to move downward to achieve the purpose of testing the PCBA. At the same time, the buffer can prevent the test probe from causing excessive pressure on the PCBA, thereby protecting the PCBA. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the following is a brief introduction to the drawings required for use in the implementation methods. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic structural diagram of a burn-in test stand and a burn-in test device provided by an embodiment of the present application from a first perspective;

[0018] Figure 2 A schematic diagram of the structure of the burn-in test stand and the burn-in test device provided in an embodiment of the present application from a second perspective;

[0019] Figure 3 A schematic diagram of the front structure of the burn-in test stand and the burn-in test device provided in an embodiment of the present application;

[0020] Figure 4 A schematic diagram of the partial structure of a burn-in test stand and a burn-in test device provided in an embodiment of the present application;

[0021] Figure 5 for Figure 3 A partial enlarged view of the middle A;

[0022] Figure 6 for Figure 4 A partial enlarged view of point B in the middle.

[0023] In the figure: 10-burning device; 20-lifting mechanism; 210-fixed frame; 220-lifting assembly; 30-carrying plate; 310-positioning tube; 40-detection plate; 410-U-shaped frame; 420-electric push rod; 430-buffer; 4310-connecting tube; 4320-connecting rod; 4330-buffer spring; 440-mounting block; 450-test probe; 50-positioning piece; 510-positioning rod; 520-pressing block; 60-reset assembly; 610-limiting block; 620-reset spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0025] See also Figure 1-6The present application provides a burning test stand, including a burning device 10, a lifting mechanism 20 and a carrier plate 30 for placing PCBA are installed on the top of the burning device 10, a detection board 40 is installed at the bottom of the lifting mechanism 20, a positioning member 50 is installed at the bottom of the detection board 40 and is plugged into the carrier plate 30, a reset component 60 is connected between the carrier plate 30 and the burning device 10, specifically, a through hole is opened on the carrier plate 30, and the connector of the burning device 10 passes through the top of its shell, and the connector of the burning device 10 is corresponding to the through hole, and the PCBA is placed on the carrier plate 30. After the carrier board 30 is positioned, the interface provided therethrough corresponds to the through-hole and the connector of the burning device 10. Then, when the PCBA moves downward, the connector of the burning device 10 can pass through the interface of the PCBA to achieve the connection purpose, so that the PCBA can be burned. Furthermore, the positioning member 50 positions the PCBA on the carrier board 30, and the reset assembly 60 can drive the carrier board 30 to reset, so that the connector of the burning device 10 is separated from the PCBA interface and the power is cut off. During the process again, the positioning member 50 can limit the PCBA to prevent it from shifting.

[0026] See Figure 1 The lifting mechanism 20 includes a fixing frame 210 fixedly mounted on the top of the burning device 10, a lifting assembly 220 is mounted on the fixing frame 210, and the detection plate 40 is fixedly connected to the bottom of the lifting assembly 220. When set, two limit rods are also installed on the top of the burning device 10 shell, and the detection plate 40 is slidably mounted on the two limit rods to enable the detection plate 40 to perform lifting and lowering movements.

[0027] See Figure 1 and 4 A U-shaped frame 410 is fixedly installed on the top of the detection plate 40, and an electric push rod 420 is installed on the U-shaped frame 410. The bottom of the output shaft of the electric push rod 420 is connected to a buffer 430. The bottom of the buffer 430 is installed with a mounting block 440 that slides through the detection plate 40. Several test probes 450 are installed on the mounting block 440. In the specific setting, a limit rod is also fixedly installed on the top of the mounting block 440. The limit rod slides through the U-shaped frame 410, so that the electric push rod 420 drives the mounting block 440 to rise and fall, so as to drive the test probe 450 to rise and fall. It should be noted that a through hole is opened on the detection plate 40, and the mounting block 440 slides through the through hole.

[0028] See Figure 5The buffer part 430 includes a connecting tube 4310, which is fixedly connected to the top of the mounting block 440 and has a connecting rod 4320 sliding therein. One end of the connecting rod 4320 slides through the top of the connecting tube 4310 and is connected to the output shaft of the electric push rod 420. A buffer spring 4330 is connected between the other end of the connecting rod 4320 and the bottom of the connecting tube 4310. It should be noted that the connecting rod 4320 is T-shaped. When the test probe 450 moves downward and contacts the PCBA, the buffer spring 4330 can reduce the pressure generated by the test probe 450 on the PCBA to prevent damage to the test probe 450 and the PCBA.

[0029] See Figure 3 and 6 The positioning member 50 includes a plurality of positioning rods 510, which are fixedly mounted on the bottom of the detection board 40 and are fixedly sleeved with a pressure block 520. The plurality of positioning rods 510 can be plugged into the carrier plate 30. The carrier plate 30 is connected with a plurality of positioning tubes 310, which slide through the top of the shell of the burning device 10. The positioning rods 510 can be inserted into the positioning tubes 310. Specifically, pins are provided on the PCBA, and holes are opened on the pins so that the holes correspond to the plurality of positioning tubes 310, so that one end of the positioning rod 510 passes through the hole on the PCBA pin and is inserted into the positioning tube 310, which can realize the positioning of the PCBA, and the pressure block 520 presses on the pin of the PCBA.

[0030] See Figure 6 The reset assembly 60 includes several limit blocks 610, which are fixedly installed on the top of the burning device 10 housing. A reset spring 620 is sleeved on each of the limit blocks 610. The two ends of the reset spring 620 are respectively connected to the top of the burning device 10 and the bottom of the carrier plate 30. When set, a groove is opened on the top of the burning device 10 housing, and the limit blocks 610 are fixedly installed in the groove. At the same time, the bottom of the reset spring 620 is also located in the groove. When the pressure block 520 releases the pressure on the PCBA, the reset spring 620 drives the carrier plate 30 to reset and cut off the power.

[0031] A burning test device, comprising

[0032] The burning test stand mentioned above.

[0033] When using the present burn test stand and burn test device: place the PCBA on the carrier plate 30 so that the holes on the PCBA pins correspond to the positioning tube 310, then control the lifting assembly 220 to drive the detection plate 40 to move downward, so that the detection plate 40 drives the positioning rod 510 to move downward, pass through the holes on the PCBA pins, and insert into the positioning tube 310, while the pressing block 520 presses on the PCBA pins, driving the carrier plate 30 to move downward, so that the connector of the burning device 10 passes through the interface of the PCBA, and the burning process can be carried out. After the burning is completed, the control The lifting assembly 220 drives the detection plate 40 to move upward, so that the pressure block 520 releases the pressure on the PCBA, and the reset spring 620 drives the carrier plate 30 to reset, so that the PCBA moves upward. The connector of the burning device 10 is disconnected from the interface of the PCBA and the power is cut off. Then, the power is restarted to complete the burning. After that, the burning test of the PCBA is performed. The electric push rod 420 is controlled to operate, so that the electric push rod 420 drives the mounting block 440 to move downward through the buffer 430. Then, the mounting block 440 drives the test probe 450 to move downward to detect the PCBA.

[0034] It should be noted that the specific models and specifications of the burning device 10, the electric push rod 420 and the test probe 450 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field and will not be described in detail.

[0035] The power supply and principles of the programming device 10 , the electric push rod 420 , and the test probe 450 are clear to those skilled in the art and will not be described in detail here.

[0036] The foregoing is merely an embodiment of the present application and is not intended to limit the scope of protection of the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures.

Claims

1. A burning test stand, characterized in that: The invention comprises a burning device (10), wherein a lifting mechanism (20) and a carrier plate (30) for placing a PCBA are installed on the top of the burning device (10), a detection plate (40) is installed on the bottom of the lifting mechanism (20), a positioning member (50) plugged into the carrier plate (30) is installed on the bottom of the detection plate (40), and a reset component (60) is connected between the carrier plate (30) and the burning device (10).

2. A burning test stand according to claim 1, characterized in that: The lifting mechanism (20) comprises a fixing frame (210) fixedly mounted on the top of the burning device (10); a lifting assembly (220) is mounted on the fixing frame (210); and the detection plate (40) is fixedly connected to the bottom of the lifting assembly (220).

3. A burning test stand according to claim 1, characterized in that: A U-shaped frame (410) is fixedly mounted on the top of the detection plate (40), an electric push rod (420) is mounted on the U-shaped frame (410), a buffer (430) is connected to the bottom of the output shaft of the electric push rod (420), a mounting block (440) is mounted on the bottom of the buffer (430) and is slidably penetrates the detection plate (40), and a plurality of test probes (450) are mounted on the mounting block (440).

4. A burning test stand according to claim 3, characterized in that: The buffer member (430) includes a connecting tube (4310), which is fixedly connected to the top of the mounting block (440) and has a connecting rod (4320) slidingly arranged therein. One end of the connecting rod (4320) slides through the top of the connecting tube (4310) and is connected to the output shaft of the electric push rod (420). A buffer spring (4330) is connected between the other end of the connecting rod (4320) and the bottom of the connecting tube (4310).

5. The burning test stand according to claim 1, characterized in that: The positioning member (50) includes a plurality of positioning rods (510), each of which is fixedly mounted on the bottom of the detection plate (40) and has a pressure block (520) fixedly sleeved thereon. The plurality of positioning rods (510) can be plugged into the supporting plate (30).

6. A burning test stand according to claim 5, characterized in that: A plurality of positioning tubes (310) are connected through the carrier plate (30), and the plurality of positioning tubes (310) slide through the top of the shell of the burning device (10), and the positioning rod (510) can be inserted into the positioning tube (310).

7. The burning test stand according to claim 1, characterized in that: The reset assembly (60) comprises a plurality of limit blocks (610), each of which is fixedly mounted on the top of the housing of the burning device (10), and each of which is sleeved with a reset spring (620), with both ends of the reset spring (620) being connected to the top of the burning device (10) and the bottom of the carrier plate (30), respectively.

8. A burning test device, characterized in that: include The burning test stand according to any one of claims 1 to 7.

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