TWI394959B - Dummy battery apparatus - Google Patents

Description

Test power supply unit

The present invention relates to a test power supply device, and more particularly to a test power supply device installed in an electronic device for supplying electrical energy to an electronic device to be detected.

With the rapid development of the communication industry, the use of various portable electronic devices such as mobile phones and personal digital assistants (PDAs) has become more and more popular. After the assembly of the portable electronic device is completed, it is generally required to test it to check whether the portable electronic device meets the specified requirements.

When testing the portable electronic device to be tested, the battery of the portable electronic device needs to be removed, and the circuit board of the portable electronic device is exposed to test the portable electronic device. At the same time, during the entire test process, it should be ensured that the portable electronic device is always turned on. At this time, if the battery provided by the portable electronic device is used to provide power to turn it on, the battery completely blocks the GPS (global positioning system) on the circuit board in the battery receiving slot of the portable electronic device. The GPS test port, the RF (radio frequency) test port, and the test port such as the blue tooth test port, so that the test signal line cannot be pulled out from the board to test it.

In view of the above, it is necessary to provide a test power supply device that is installed on the electronic device to be tested to provide power and does not affect the progress of the test work.

A test power supply device for supplying electrical energy to an electronic device to be tested; the electronic device The circuit board includes at least one test port; the test power supply device is provided with at least one notch, and the notch is disposed at a position corresponding to each test port on the circuit board of the electronic device to be tested.

The test power supply device is installed on an electronic device to be tested and establishes an electrical connection, and supplies power to the electronic device to be tested to activate the electronic device. The test power supply device exposes the test ports on the circuit board of the electronic device to be tested by the gaps respectively disposed on the circuit boards on the circuit board of the electronic device to be tested. It is external and not blocked to facilitate functional testing of each test port on the board.

10‧‧‧Electronic devices

11‧‧‧ front cover

12‧‧‧ Back cover

13‧‧‧Circuit board

14‧‧‧through hole

141‧‧‧First side wall

142‧‧‧ second side wall

143‧‧‧ third side wall

144‧‧‧ fourth side wall

15‧‧‧Electrical connector terminals

151‧‧‧ positive connector terminal

152‧‧‧negative connector terminals

153‧‧‧ID connector terminal

16,17,18‧‧‧Test port

30‧‧‧Test power supply unit

40‧‧‧Base

41‧‧‧ upper surface

42‧‧‧ accommodating department

43‧‧‧Connected holes

45,812‧‧‧ gap

46‧‧‧Assembly holes

48‧‧‧ screw holes

50‧‧‧Transformer

51‧‧‧ Main body

53‧‧‧Power input line

54‧‧‧ plug

56‧‧‧output

80‧‧‧ adjustment device

81‧‧‧Adjustment board

811‧‧‧ side

815‧‧‧through hole

817‧‧‧Connecting through hole

83‧‧‧ Guide column

85‧‧‧Flexible parts

87‧‧‧ screws

871‧‧‧ nuts

872‧‧‧ Stud

875‧‧‧Threaded Department

1 is a perspective view of an electronic device to be tested to which the test power supply device of the present invention is applied; FIG. 2 is a perspective view of a preferred embodiment of the test power supply device of the present invention; and FIG. 3 is a perspective exploded view of the test power supply device shown in FIG. FIG. 4 is a perspective exploded view showing another direction of the test power supply device shown in FIG. 2; FIG. 5 is a perspective view showing a preferred embodiment of the test power supply device mounted on the electronic device to be tested.

Please refer to FIG. 1 , which shows an electronic device 10 to be tested which is applied to the test power supply device 30 (see FIG. 2 ) of the present invention, and includes a front cover 11 , a rear cover 12 , a circuit board 13 and a Battery 19. The back cover 12 and the front cover 11 are assembled with each other, and one end of the rear cover 12 extends downwardly along the surface thereof to form a rectangular through hole 14 , thereby forming a first shape on the rear cover 12 . The sidewall 141, a second sidewall 142, a third sidewall 143, and a fourth sidewall 144. The first sidewall 141 is disposed opposite to the third sidewall 143. An electrical connector terminal 15 is disposed on the first sidewall 141, and the electrical connector terminal 15 includes a positive connector terminal 151, a negative connector terminal 152, and a ID (identification, identity, identification code) connector terminal 153. The second sidewall 142 is disposed opposite to the fourth sidewall 144.

The circuit board 13 is mounted in the electronic device 10 to be tested and is sandwiched between the front cover 11 and the rear cover 12 of the electronic device 10. The through hole 14 in the back cover 12 and the circuit board 13 mounted in the electronic device 10 form a substantially rectangular battery receiving groove (not shown) for mounting the battery 19. At least one test port is disposed on the circuit board 13 to facilitate testing of the circuit, electronic components, and the like disposed on the circuit board 13 of the electronic device 10. In this embodiment, a GPS (global positioning system) test port 16 is disposed on a corner of the circuit board 13 adjacent to the first sidewall 141 and the fourth sidewall 144 of the back cover 12. An RF (radio frequency) test port 17 and a blue tooth test port 18 are respectively disposed on the circuit board 13 at two corners of the third side wall 143 of the through hole 14 of the rear cover 12. The battery 19 is installed in a battery receiving slot of the electronic device 10 for supplying power to the electronic device 10.

Referring to FIG. 2 and FIG. 3, the test power supply device 30 has a rectangular block shape, and its external size is equivalent to the size of the battery 19 and the battery receiving slot of the electronic device 10 to be tested, so as to facilitate its installation. In the battery receiving slot of the electronic device 10 to be tested. The test power supply device 30 is provided with at least one notch (refer to the following), which is disposed corresponding to each test port on the circuit board 13 of the electronic device 10 to be tested. When the test power supply device 30 is installed in the battery receiving slot of the electronic device 10 to be tested, the electronic device 10 to be tested is connected to the test power supply device 30. The test ports on the circuit board 13 can be exposed from the corresponding gaps in the test power supply unit 30 without being blocked by the test power supply unit 30 to facilitate functional testing of the electronic device 10.

Referring to FIG. 2 and FIG. 3 , the test power supply device 30 includes a base 40 , a transformer device 50 , and an adjustment device 80 . The base 40 has a rectangular plate shape with an upper surface 41. The base 40 The upper surface 41 is recessed at a substantially central position to form a rectangular recessed receptacle 42 for mounting the pressure transforming device 50. Three communication holes 43 communicating with the accommodating portion 42 are formed through the side of one side of the susceptor 40 at intervals. A corner of the pedestal 40 adjacent to the three through holes 43 is cut through a small piece to form a rectangular notch 45 corresponding to the GPS test port on the circuit board 13 of the electronic device 10. The GPS test port 16 on the circuit board 13 can be exposed from the notch 45 of the base 40 when the test power supply device 30 is installed in the battery receiving slot of the electronic device 10. Not outside but not blocked. Two mounting holes 46 and a screw hole 48 are defined in the base 40 on the other side opposite to the side of the three communicating holes 43. The screw holes 48 are located in the two mounting holes 46. between.

The transformer device 50 is a transformer that is mounted in the receiving portion 42 of the base 40. The transformer device 50 can convert an ordinary 220V AC power source into a DC power source required to start the electronic device 10 to be tested. The transformer device 50 includes a main body portion 51, a power input line 53, a plug 54 and an output end 56. A transformer circuit (not shown) is disposed in the main body portion 51 of the transformer device 50. The power input line 53 and the plug 54 are electrically connected to an external AC power source. The output end 56 is a three-connecting pin that is electrically connected to an output portion (not shown) of the transformer circuit in the main body portion 51 of the transformer device 50. The output end 56 is electrically connected to the electrical connector terminal 15 of the electronic device 10 to be tested.

Referring to FIG. 4 together, the adjusting device 80 is assembled with the base 40 for adjusting the length of the power supply device 30 to make the power supply device 30 suitable for battery accommodating slots of different sizes. The versatility of the test device 30. The adjusting device 80 includes an adjusting plate 81, two guiding columns 83, an elastic member 85 and a screw 87. The adjusting plate 81 has a rectangular plate shape and has a side 811. The side 811 is provided with two notches 812 adjacent to each other. The notch 812 extends through the upper upper surface of the adjusting board 81, and corresponds to the RF test port 17 and the Bluetooth test port 18 on the circuit board 13 of the electronic device 10, so that when the test power supply device 30 is installed in the The battery of the electronic device 10 is accommodated in the slot The RF test port 17 and the Bluetooth test port 18 on the circuit board 13 can be exposed from the two notches 812 of the adjustment board 81, respectively, without being blocked. The other side of the adjusting plate 81 opposite to the side 811 is recessed to form two through holes 815 and one connecting through hole 817. The size of the aperture of the via 815 is comparable to the size of the outer diameter of the pillar 83. The connecting through hole 817 extends through the side edge 811 of the adjusting plate 81 and is located between the two notches 812. The side edges 811 of the adjusting plate 81 are formed to extend toward the other side of the parallel side. The size of the aperture of the connecting through hole 817 is equivalent to the size of the screw 87 so that the screw 87 passes through the connecting through hole 817.

The two guide posts 83 are in the shape of a circular column, and one end thereof is respectively fixed in the two mounting holes 46 of the base 40, and the other ends are respectively received in the through holes 815 of the adjusting plate 81. The elastic member 85 is a coil spring. The screw 87 includes a nut 871, a stud 872 and a threaded portion 875. One end of the stud 872 is fixed to the nut 871, and an outer diameter thereof and an inner diameter of the connecting through hole 817. The size is equivalent. The threaded portion 875 is disposed on the stud 872 away from one end of the nut 871. The threaded portion 875 is sized to correspond to the inner diameter of the screw hole 48 on the base 40.

When assembling the test power supply device 30, first, the output end 56 of the pressure transformation device 50 is aligned and passed through the communication hole 43 of the base 40, and the transformer device 50 is fixedly mounted at the same. The inside of the accommodating portion 42 of the susceptor 40. Then, the two guide posts 83 are respectively fixedly mounted in the two mounting holes 46 of the base 40. Next, the two via holes 815 of the adjusting plate 81 are aligned with the two guiding posts 83, and the two guiding posts 83 are respectively inserted along the two through holes 815 of the adjusting plate 81. Finally, the screw 87 is sequentially passed through the connecting through hole 817 of the adjusting plate 81 and the elastic member 85, and the end thread portion 875 of the screw 87 and the screw hole 48 on the base 40 are screwed together, thereby completing Assembly of the test power supply unit 30. The length of the entire test power supply unit 30 can be adjusted by rotating the screw 87 of the adjustment device 80 of the test power supply unit 30. In the process of rotating the screw 87, The adjusting plate 81 is slidably moved by the elastic force of the elastic member 85, and the adjusting plate 81 is slidably engaged with the two guiding posts 83 to realize the length of the test power supply device 30. Adjustment.

Referring to FIG. 5, when the electronic device 10 to be tested is tested, the output end 56 of the assembled test power supply device 30 is directed toward the first side wall 141 in the receiving portion 42 of the electronic device 10. The output ends 56 of the test power supply device 30 are respectively electrically connected to the electrical connector terminals 15 on the first side wall 141; meanwhile, the notches 45 on the base 40 of the test power supply device 30 are provided. Just above the GPS test port 16 on the circuit board 13, the GPS test port 16 is exposed to the outside without being blocked by the test power supply unit 30. Next, the screw 87 of the adjusting device 80 of the test power supply unit 30 is rotated, and the length of the test power supply unit 30 is adjusted so as to be accommodated in the housing portion 42 of the electronic device 10. The two notches 812 on the adjusting board 81 of the test power supply device 30 are respectively corresponding to the RF test port 17 and the Bluetooth test port 18 on the circuit board 13, so that the RF test port 17 and the Bluetooth test port 18 are exposed to It is not blocked by the test power supply unit 30. Next, the plug 54 of the transformer device 50 of the test power supply device 30 is electrically connected to an external AC power source, and after the transformer device 50 is transformed, a output from the output terminal 56 thereof can be activated. The power source of the electronic device 10 activates the electronic device 10 to be tested. After the electronic device 10 is activated, it can be tested by electrically connecting the test signal lines to the functional test ports on the circuit board 13.

It can be understood that the two guide posts 83 can also be integrally formed with the base 40, and are spaced apart from the side edges of the base 40.

It can be understood that the adjusting device 80 is not limited to the structure described in the embodiment, and may be only an elastic member 85. The elastic member 85 is installed in the battery receiving slot of the electronic device 10 and is It is held between the base 40 of the test power supply device 30 and the side wall of the battery receiving groove.

It can be understood that the elastic member 85 is not limited to the coil spring described in this embodiment, and A material made of an elastic material such as a leaf spring, a rubber or a soft pad is mounted on the test power source when the test power supply device 30 is mounted in the battery receiving groove of the electronic device 10 The device 30 is disposed between the side wall of the battery receiving slot of the electronic device 10 or between the adjusting plate 81 of the test power supply device 30 and the base 40, so that the test power supply device 30 is positioned and accommodated in the battery capacity. Set in the slot.

It can be understood that the two guide posts 83 can also be omitted, and the distance between the adjustment plate 81 and the base 40 is directly adjusted by the screw 87, thereby adjusting the length of the entire test power supply device 30.

It can be understood that the test port on the circuit board 13 is not limited to the GPS test port 16, the RF test port 17, and the Bluetooth test port 18 described in this embodiment, and may also include other test ports. The arrangement positions of the test ports are not limited to the arrangement positions described in the embodiment, and may be disposed at other positions on the circuit board 13.

It can be understood that the test power supply device 30 is not limited to the structure described in this embodiment, and may also be a battery used in conjunction with the electronic device 10 to be tested, and the battery corresponds to The test port on the circuit board 13 of the electronic device 10 is formed with a corresponding gap so that the battery is installed in the battery receiving slot of the electronic device 10 to be tested. The test ports on the circuit board 13 of the electronic device 10 can be exposed from the corresponding gaps on the battery without being blocked by the power source to facilitate the circuit board 13 of the electronic device 10 to be tested. Each test port is functionally tested.

The test power supply device 30 converts the external AC power source into a DC power source required to start the electronic device 10 to be tested by a transformer device 50. At the same time, the test power supply device 30 is mounted on the electronic device to be tested by the notch 45 on the base 40 and the two notches 812 on the adjusting plate 81 of the adjusting device 80. When the battery is installed, the test ports on the circuit board of the electronic device are not blocked by the test power supply device 30.

The test power supply device 30 is installed in a battery receiving slot of the electronic device 10 to be tested and establishes an electrical connection, and supplies power to the electronic device 10 to be tested to activate the electronic device 10. The test power supply unit 10 makes the circuit board 13 of the electronic device 10 to be tested 10 by a plurality of gaps respectively disposed on the test boards on the circuit board 13 of the electronic device 10 to be tested. Each of the test ports is exposed and not blocked to facilitate functional testing of the test ports on the circuit board 13.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

30‧‧‧Test power supply unit

40‧‧‧Base

42‧‧‧ accommodating department

45,812‧‧‧ gap

51‧‧‧ Main body

53‧‧‧Power input line

54‧‧‧ plug

56‧‧‧output

81‧‧‧Adjustment board

811‧‧‧ side

83‧‧‧ Guide column

85‧‧‧Flexible parts

87‧‧‧ screws

Claims (9)

A test power supply device for supplying electrical energy to an electronic device to be tested; the electronic device includes a circuit board on which at least one test port is disposed; and the improvement is that the test power supply device includes a base a pressure-changing device and at least one notch disposed on the base, the gap is disposed at a position corresponding to each test port on the circuit board of the electronic device to be tested; the surface of the base is recessed a receiving portion, a side of the base is provided with a through hole communicating with the receiving portion, and the transformer device is installed in the receiving portion for converting an external power source into the electronic device to be tested A power supply is required, and the voltage conversion device includes an output end through the through hole of the base, and the output end is used for electrically connecting with the electronic device to be tested to output electrical energy. The test power supply device of claim 1, wherein the test power supply device further comprises an adjustment device, the adjustment device and the base being assembled with each other for adjusting the length of the test power supply device. The test power supply device of claim 2, wherein the electronic device has a battery receiving slot for mounting the test power supply device, and the circuit board is exposed at the bottom of the battery receiving slot. The adjusting device includes an elastic member that is abutted between the base of the test power supply device and the side wall of the battery receiving groove of the electronic device. The test power supply device of claim 3, wherein a screw hole is formed in a side of the base toward the adjusting device, the adjusting device further includes an adjusting plate and a screw, and the adjusting plate A connecting through hole is formed through one side of the adjusting plate, and the screw passes through the connecting through hole of the adjusting plate, the elastic member and the screw hole on the base to be slidably mounted with respect to the base. The test power supply device of claim 4, wherein the side of the base is further provided with two mounting holes on the side of the adjusting device, and the adjusting plate further includes two through holes, which are The two mounting holes are correspondingly connected to the adjusting plate respectively; the adjusting device further includes two guiding columns, one end of which is respectively fixed in the two mounting holes, and the other end is respectively installed on the adjusting plate. In the hole. The power supply device for testing according to claim 3, wherein the adjusting plate is provided with two notches extending through the adjusting plate on a side away from the base. The test power supply device of claim 5, wherein the transformer device comprises a main body portion, a power input line, a plug and an output end, and the main body portion is provided with a transformer circuit, The power input line and the plug are electrically connected to the external AC power source; the output end is a three-connecting pin, which is electrically connected to the output end of the transformer circuit and passes through the three-way hole of the base and the electronic device Establish an electrical connection. The test power supply device of claim 5, wherein the two guide posts are integrally formed with the base, and are spaced apart from each other on a side of the base. The test power supply device according to claim 1, wherein the test power supply device is a battery.