TWI784539B - Burn-in equipment - Google Patents

Abstract

A burn-in equipment, comprising a cabinet, a plurality of connection devices and a burn-in test system, the cabinet includes a cabinet body and a plurality of carrier boards, the plurality of carrier boards are arranged at intervals in the accommodation space of the cabinet body, the plurality of connection devices Installed in the cabinet, each connecting device includes a circuit substrate and at least one adapter seat, the circuit substrate has a plurality of load areas, the positions of the plurality of load areas are separated from each other, and the circuit substrate is provided with a plurality of Contacts, the at least one transfer base is detachably arranged on the circuit board and electrically connected to the plurality of contacts, each of the transfer bases has at least one DUT connector, and each of the carrier boards of the cabinet is provided with the At least one connection device in the plurality of connection devices, the burn-in test system is installed in the cabinet and electrically connected to the plurality of connection devices.

Description

Burn-in equipment

The invention relates to a burn-in device, in particular to a burn-in testing device used for executing a burn-in program for electronic components.

Before the existing electronic components leave the factory, in order to ensure the correct function and reliability of the electronic components, a burn-in procedure (burn in) must be carried out, and the load state of the electronic components is simulated by the burn-in program for testing.

Please refer to FIG. 9 , the conventional burn-in method is to connect the electronic component to be tested (hereinafter referred to as the component to be tested 60 ) to a power supply 50 , a load device 51 and a measuring device 52 respectively, and to be regulated by a control device 53 The power supply 50 outputs the size of the test power to the DUT 60, the load device 51 can be an electronic load (electronic load) or a custom cement resistor, and the measuring device 52 can be electrically connected to the DUT 60 The output terminal is used to measure its output voltage and/or current, the control device 53 receives its measurement data from the measurement device 52, and the control device 52 can store the measurement data in a storage device (such as a hard disk), And the measurement data can be presented to the user through the display.

However, due to the multiple types of the DUT 60, the loads that the DUT 60 of different types can withstand are also different from each other. It can be seen that the impedance of the load device 51 must be adjusted at any time according to the type of the DUT 60. Replacement or customized production makes it difficult to simplify the conventional burn-in process.

The object of the present invention is to provide a burn-in device, in order to improve the disadvantage of the conventional burn-in process that is difficult to simplify.

In order to achieve the aforementioned goals, the burn-in equipment proposed by the present invention includes: A cabinet, which includes a cabinet body and a plurality of carrier boards, the cabinet body has an accommodating space, and the plurality of carrier boards are arranged at intervals in the accommodating space of the cabinet body; a plurality of connection devices are installed in the cabinet body, Each of the connection devices includes: a circuit substrate with a plurality of load areas, the positions of the plurality of load areas are separated from each other, and the circuit substrate is provided with a plurality of contacts in each of the load areas; and at least one adapter seat, which can be disassembled. The plurality of contacts are electrically connected to the circuit board, each of the adapters has at least one DUT connector; each of the carrier boards of the cabinet is provided with at least one of the plurality of connection devices; and a burner The test system is installed in the cabinet and electrically connected to the plurality of connecting devices.

With the aforementioned burn-in equipment, it is only necessary to replace the corresponding adapter base for different types of components to be tested, and the burn-in equipment of the present invention includes a burn-in test system and a circuit board in the cabinet. Different types of components under test only need to replace the corresponding adapter base, and the adapter base is small in size and light in weight, allowing the operator to pick and place the adapter base more easily and with less effort, which has the effect of simplifying the burn-in process .

In addition, the burn-in equipment of the present invention also has the characteristics of fully utilizing the height space. The burn-in equipment of the present invention utilizes the accommodation space in the cabinet to arrange a plurality of carrier boards arranged at intervals, and the carrier board provides a general-purpose circuit board arrangement, and Provide an adapter set that matches the component to be tested. During use, the components to be tested can be concentrated on the top of the carrier board that is arranged in layers and electrically connected to the adapter seat on the circuit board, so that the burner equipment has The characteristics of making full use of height space.

10: cabinet

11: Cabinet

110:Accommodating space

12: carrier board

13: Front side panel

14: Drawer slides

20: Connection device

21: Circuit substrate

210: load area

211: Test power contacts

212: Load contact

213: pin seat

22: adapter seat

220: DUT connector

221: terminal block

30: Components under test

31: Pin

41: Control device

42: Human-machine interface device

43: Power supply

44: Measuring device

45:Load device

46: storage device

50: Power supply

51: Load device

52: Measuring device

53: Control device

60: Components under test

Fig. 1: a schematic front plan view of an embodiment of the burn-in equipment of the present invention.

Fig. 2: A partially enlarged schematic diagram of an embodiment of the burn-in equipment of the present invention.

Fig. 3: In the present invention, a schematic top plan view of a circuit substrate.

Fig. 4: A schematic block diagram of an embodiment of a burn-in test system in the present invention.

Fig. 5: In the present invention, a top plan view (1) of the combined structure of the circuit substrate and the adapter seat.

Fig. 6: In the present invention, a top plan view (2) of the combined structure of the circuit substrate and the adapter seat.

Fig. 7: In the present invention, a top plan view (3) of the combined structure of the circuit substrate and the adapter seat.

Fig. 8: In the present invention, a schematic top plan view (4) of the combined structure of the circuit substrate and the adapter seat.

FIG. 9 : A schematic block diagram of a conventional burn-in test for a DUT.

An embodiment of the burn-in device of the present invention includes a cabinet, a plurality of connection devices and a burn-in test system, each of the connection devices is used to connect the components to be tested, and the burn-in test system performs a burn-in test on the components to be tested, Wherein, the component under test may be an integrated circuit component (Integrated Circuit, IC), such as an IC product of a DC/DC power converter or an AC/DC power converter.

As shown in Figures 1 and 2, the cabinet 10 includes a cabinet body 11 and a plurality of carrier boards 12, the cabinet body 11 has one or more than one accommodating spaces 110, and the plurality of carrier boards 12 are arranged at intervals in the cabinet In the accommodating space 110 of the body 11. In the embodiment shown in Fig. 1 and Fig. 2, it discloses that there is an accommodating space 110 with an opening facing forward in the cabinet body 11, and the front side of the cabinet body 11 has a front side plate 13 at the side of the opening, the A plurality of carrier boards 12 are arranged at intervals up and down in the accommodating space, and each of the carrier boards 12 is combined with a drawer slide rail 14 to connect to the side wall of the cabinet body 11, so that the carrier board 12 slides through the drawers on both sides. The rail 14 can be pulled out from the accommodating space 110 of the cabinet body 11 and pushed into the accommodating space 110 by operation.

As shown in Figures 1 and 2, the plurality of connection devices 20 are installed in the cabinet 10, and each of the carrier boards 12 of the cabinet 10 is provided with at least one connection device 20 in the plurality of connection devices 20, as shown in Figure 1 In the embodiment shown in FIG. 2 , two connecting devices 20 may be provided on each carrier board 12 . Each of the connection devices 20 includes a circuit substrate 21 and at least one adapter seat 22, the circuit substrate 21 and the at least one adapter seat 22 can be printed circuit boards (PCB), so the circuit substrate 21 and the at least one adapter The seat 22 has an electronic circuit layout, and the at least one adapter seat 22 is used for connecting the DUT 30 . Wherein, the circuit substrate 21 is a solid Fixed on the carrier board 12, please refer to FIG. 3, the top surface of the circuit substrate 21 has a plurality of load regions 210, the positions of the plurality of load regions 210 are separated from each other, and the circuit substrate 21 is provided with a plurality of connections in each of the load regions 210. The plurality of contacts includes a plurality of test power contacts 211 and a plurality of load contacts 212 , which are electrically connected to the electronic circuit layout of the circuit substrate 21 . In the embodiment shown in FIG. 3 , the circuit substrate 21 has eight load regions 210 arranged in a matrix. The at least one adapter base 22 is detachably arranged on the circuit board 21 and electrically connected to the plurality of contacts. Each adapter base 22 has at least one DUT connector 220, which is electrically connected to the adapter base 22. Electronic circuit layout, each of the DUT connectors 220 can be a plurality of terminal posts or conductive elastic clips, wherein each of the terminal posts is a hollow cylinder with conductivity, and each of the terminal posts or conductive elastic clips is erected on the On the top surface of the adapter base 22, the positions of the plurality of terminal columns or the conductive elastic clips correspond to the positions of the pins 31 (pins) of the DUT 30, so that one DUT 30 can be connected to a group of DUTs. Connector 220.

The connection between the adapter base 22 and the circuit substrate 21 can be through a pin (pin) and a terminal block. For example, as shown in FIG. The terminal block 221 of the connector 220, the top surface of each load area 210 of the circuit substrate 21 can be provided with a pin seat 213 electrically connecting its test power contact 211 and a plurality of load contacts 212 through its electronic circuit layout, the The terminal block 221 on the adapter base 22 is detachably connected to the pin block 213 on the circuit board 21, that is, the pins of the pin block 213 can be inserted into and connected to the jack of the terminal block 221, so that the adapter block 22 The electronic circuit layout of the circuit board 21 is electrically connected with the electronic circuit layout of the circuit substrate 21 . Therefore, through the above-mentioned connection structure, when the adapter base 22 is arranged on the circuit substrate 21, the DUT connector 220 of the adapter base 22 can be electrically connected to the test power supply terminal of the load area 210 of the circuit substrate 21. point 211 and load contact 212; and when the DUT 30 is arranged on the DUT connector 220 of the adapter base 22, the DUT 30 can be electrically connected to the circuit board 21 through the adapter base 22 Test the power contact 211 and the load contact 212 of the load area 210 .

The burn-in test system is installed in the cabinet 10 and electrically connected to the plurality of connection devices 20, please refer to FIG. 4, the burn-in test system may include a control device 41 and a human-machine interface device 42 electrically connected to the control device 41 , a plurality of power supplies 43, a plurality of measurement devices 44, a plurality of load devices 45 and a storage device 46, wherein, Figure 4 is only an example of a power supply 43, a measurement device 44 and a load device 45, a connection The device 20 can be correspondingly connected with a power supply 43 , a measuring device 44 and a load device 45 . The power supply 43, the measuring device 44 and the load device 45 can be electrically connected to the electronic circuit layout of the circuit substrate 21 of the connection device 20, so as to form an electrical connection with the device under test 30, and the control device 41 can be Regulate the size of the test power output from the power supply 43 to each DUT, the load device 45 can be an electronic load, and the measuring device 44 can be a digital ammeter to measure the output voltage of the DUT 30 and/or current, the control device 41 receives its measurement data from the measurement device 44, the control device 41 can store the measurement data in the storage device 46 (such as a hard disk), and can The display of the device 42 presents the measurement data for the user to view. As shown in FIG. 1 , the human-machine interface device 42 can be installed on the front side panel 13 of the cabinet body 11 for inspection and operation by operators. For example, the human-machine interface device 42 can be a touch display panel.

The connection device 20 of the present invention can include several forms in response to various DUTs 30, and through the electronic circuit layout of the circuit substrate 21 and the adapter seat 22, the contacts of the plurality of load areas 210 are connected in parallel, The plurality of DUT connectors 220 are connected in parallel so that the plurality of load regions 210 and the plurality of DUT connectors 220 can distribute or evenly distribute the load of the load device 45 , as illustrated below.

1. State one

Please refer to FIG. 2 and FIG. 5, the at least one adapter seat 22 is a plurality of adapter seats 22, and the number of the plurality of adapter seats 22 is the same as the number of the plurality of load areas 210 of the circuit substrate 21. For example, the The number of the plurality of adapters 22 can be eight, and the number of the plurality of load areas 210 of the circuit substrate 21 is also eight, so as to form a one-to-one corresponding connection, that is, one adapter 22 is arranged in one load area Domain 210. As mentioned above, each adapter base 22 can be provided with one or more DUT connectors 220. When each adapter base 22 is provided with a plurality of DUT connectors 220, please refer to FIG. 2 and FIG. 5 Take two sets of DUT connectors 220 provided on each adapter base 22 as an example, which are respectively used for setting DUTs 30 , and each DUT 30 passes through the electronic circuit layout of the adapter base 22 and the circuit substrate 21 And form a signal connection with the power supply 43, the load device 45, and the measuring device 44, so that each of the DUTs 30 can be tested. Therefore, in the embodiment shown in FIG. 5, the circuit substrate 21 is provided with eight adapters 22, and each adapter 22 is provided with two DUTs 30, so the connecting device 20 is provided with sixteen DUTs 30 in total. When the load of the load device 45 is 600 watts (W), each element under test 30 is equivalent to a load of 37.5 watts (W), and the load is the load simulated by the load device 45 power ceiling. For another example, please refer to Fig. 6, when each adapter base 22 is only provided with a single DUT 30, and when the loading capacity of the load device 45 is 600 watts (W), each DUT 30 is equivalent to Distributed to a load of 75 watts (W). Therefore, each adapter base 22 may be provided with a different number of DUT connectors 220 for connecting the DUT 30 according to requirements, and the load capacity of the DUT 30 can be deduced according to the foregoing example.

2. Pattern 2

The at least one adapter base 22 is a plurality of adapter bases 22, the number of the plurality of adapter bases 22 is less than the number of the plurality of load areas 210 of the circuit board 21, and the DUT connector 220 of each of the adapter bases 22 Electrically connect the contacts of at least two load areas 210 of the circuit substrate 21, that is, the DUT connectors 220 of each adapter 22 are electrically connected to the test power contacts of the partial load areas 210 of the circuit substrate 21 211 and load contact 212 , that is, one adapter 22 can be correspondingly arranged in a plurality of load areas 210 , which is a one-to-many arrangement structure. Please refer to FIG. 7 as an example, each adapter base 22 is arranged in two load areas 210, and the bottom surface of each adapter base 22 is provided with a plurality of terminal blocks 221, and the positions of the plurality of terminal blocks 221 correspond to the two load areas 210. The position of the pin socket 213 can be plugged correspondingly. Each adapter seat 22 can be provided with a single or multiple DUT connectors 220. FIG. 7 only takes one DUT connector 220 as an example for One element under test 30 is set. On the whole, the connecting device 20 shown in FIG. 7 is provided with four For the components under test 30 , when the load of the load device 45 is 600 watts (W), each component under test 30 is equivalent to a load of 150 watts (W). Therefore, each adapter base 22 may be provided with a different number of DUT connectors 220 for connecting the DUT 30 according to requirements, and the load capacity of the DUT 30 can be deduced according to the foregoing example.

3. Pattern three

The at least one adapter 22 is a single adapter 22, and the DUT connector 220 of the adapter 22 is electrically connected to the contacts of all the multiple load areas 210 of the circuit board 21, that is, one adapter 22 A plurality of terminal blocks 221 are arranged on the bottom surface of the plurality of load areas 210, and the positions of the plurality of terminal blocks 221 are corresponding to the positions of the pin blocks 213 of the plurality of load areas 210, so that they can be plugged correspondingly, and it is a one-to-many arrangement structure. Please refer to FIG. 8 as an example, the adapter base 22 can be provided with a single DUT connector 220 for setting a DUT 30, when the loading capacity of the load device 45 is 600 watts (W), the DUT Element 30 corresponds to a load assigned to 600 watts (W). Therefore, each adapter base 22 may be provided with a different number of DUT connectors 220 for connecting the DUT 30 according to requirements, and the load capacity of the DUT 30 can be deduced according to the foregoing example.

It should be noted that the above-mentioned circuit structure is only an example, and in actual application, the electronic circuit layout on each of the adapter sockets 22 can be designed in multiple ways and flexibly according to the test requirements and the properties of various DUTs 30 . In addition, the size and the bottom surface of each adapter seat 22 are provided with a corresponding number and a corresponding position of the terminal blocks 221 for correspondingly inserting the pin blocks 213 in a plurality of load areas 210 .

To sum up, in the present invention, it is only necessary to set and replace the corresponding adapter base 22 for different types of DUTs 30, and the burn-in equipment of the present invention includes a burn-in test system and a circuit board arranged in the cabinet 10 21 is a shared structure. For different types of DUTs 30, only the corresponding adapter 22 needs to be replaced, and the adapter 22 is small in size and light in weight, allowing the operator to take and place it more easily and with less effort The adapter seat 22 has the effect of simplifying the burn-in process. The burn-in equipment of the present invention can further make the cabinet body have an accommodating space 110 with an opening facing forward, the front side of the cabinet body 11 has a front side plate 13, and the plurality of carrier boards 12 are up and down in the accommodating space 110 Arranged at intervals, the cabinet body 11 can be fully utilized Use the space to provide multiple sets of DUTs 30 to execute the burn-in program. Moreover, the Ming burning machine equipment can further make the two sides of each of the carrier boards 12 in the cabinet body 11 respectively combined with the drawer slide rails 14 to connect the cabinet body 11, so that the carrier board 12 can be operated and removed from the cabinet body. The accommodating space 110 of the body 11 is moved out and brought into the accommodating space 110 , so as to facilitate the disassembly operation of the component under test 30 on the adapter seat 22 on the circuit board 21 in the cabinet body 11 .

10: cabinet

11: Cabinet

110:Accommodating space

12: carrier board

13: Front side panel

14: Drawer slides

20: Connection device

21: Circuit substrate

22: adapter seat

30: Components under test

42: Human-machine interface device

Claims (7)

A kind of burn-in equipment, which includes: a cabinet, which includes a cabinet body and a plurality of carrier boards, the cabinet body has an accommodating space, and the plurality of carrier boards are arranged at intervals in the accommodating space of the cabinet body; the plurality of connecting devices , installed in the cabinet, each of the connection devices includes: a circuit substrate with a plurality of load areas, the positions of the plurality of load areas are separated from each other, the circuit substrate is provided with a plurality of contacts in each of the load areas; and at least one turn The socket is detachably arranged on the circuit substrate and electrically connected to the plurality of contacts, wherein one of the adapters is corresponding to at least two load areas in the plurality of load areas, and each of the adapters has at least one a connector of the component under test, and the contacts of the at least two load areas corresponding to the electrical connection of the connector of the component under test of each adapter; device; and a burn-in test system installed in the cabinet and electrically connected to the plurality of connection devices. The burn-in equipment as described in Claim 1, wherein the front side of the cabinet has a front side plate, and the plurality of carrier plates are arranged at intervals up and down in the accommodating space. The burn-in equipment as described in claim 1 or 2, wherein, the two sides of each carrier board are respectively connected with a drawer slide rail to connect with the cabinet body. The burn-in device as claimed in claim 1, wherein the at least one DUT connector of each adapter base is a plurality of DUT connectors. The burn-in device as claimed in claim 1, wherein the at least one DUT connector of each adapter base is a single DUT connector. The burn-in device according to claim 1, wherein the at least one adapter base is a plurality of adapter bases. The burn-in device as claimed in claim 1, wherein the at least one adapter base is a single adapter base, and the DUT connector of the adapter is electrically connected to the contact points of the plurality of load areas of the circuit board.

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