CN105572450B - Power supply measuring equipment and measuring method thereof - Google Patents

Abstract

A power supply measuring device comprises a base, a pair of longitudinal actuating mechanisms, a pair of transverse actuating mechanisms, a pair of probe seats and a pair of lifting actuating mechanisms. The longitudinal actuating mechanisms are arranged on the base. Each transverse actuating mechanism is movably arranged on the corresponding longitudinal actuating mechanism, and can be driven by the longitudinal actuating mechanism to move horizontally. Each probe seat is arranged on each transverse actuating mechanism and each probe seat is movably uprightly arranged with a probe, each probe seat can be driven by the transverse actuating mechanism to move horizontally, and the displacement direction of the probe seat is perpendicular to the displacement direction of the transverse actuating mechanism. The lifting actuating mechanism is arranged on the probe seat, which is connected to the probe and can drive the probe to move vertically. In this way, the probe can be automatically moved to measure the power status of electronic components on a circuit board of a power supply.

Description

Power supply measuring equipment and its measuring method

technical field

The present invention relates to a measuring device, in particular to an electronic component measuring device capable of automatically measuring the power state of an electronic component on a circuit board of a power supply.

Background technique

Existing measuring equipment for measuring the power status of electronic components on a circuit board generally includes a pair of probes and an oscilloscope connected to the pair of probes. The usual measurement method first electrically connects the circuit board to a power supply (power supply) and a load simulator (Electrical Load/e Load), and provides a predetermined voltage for the circuit board through the AC power supply device, and simulates the The device simulates a predetermined power load to the board. The measurement equipment in the prior art must manually touch the pins of each electronic component with two probes in hand, so as to obtain the voltage value between the two pins, and display the waveform of the voltage value by an oscilloscope, and then manually The recording method records the voltage value of each electronic component. Therefore, it is quite time-consuming to measure the power state of a large number of electronic components on the circuit board by means of the prior art measuring equipment.

In view of this, the inventor of the present invention aimed at the above-mentioned prior art, devoted himself to the research and combined with the application of the theory, tried his best to solve the above-mentioned problems, which became the goal of the inventor's improvement.

Contents of the invention

The invention provides a power supply measuring device and a measuring method capable of automatically measuring the power status of electronic components on a circuit board of a power supply.

The invention provides a power supply measuring device, which includes a base, a pair of longitudinal actuating mechanisms, a pair of transverse actuating mechanisms, a pair of probe bases and a pair of lifting actuating mechanisms. The longitudinal actuating mechanism is arranged on the base. Each transverse actuating mechanism is movably arranged on the corresponding longitudinal actuating mechanism, and can be driven by the longitudinal actuating mechanism to displace horizontally. Each probe seat is respectively arranged on each transverse actuator mechanism and a probe is movably upright arranged on each probe seat respectively, and each probe seat can be driven by the transverse actuator mechanism to displace horizontally, and the displacement direction of the probe seat is the same as that of the probe seat. The displacement directions of the transverse actuators are perpendicular to each other. The lift actuating mechanism is arranged on the probe base, which is connected with the probe and can drive the probe to vertically lift and move.

Preferably, each longitudinal actuating mechanism includes a longitudinal screw and a longitudinal driving motor, the longitudinal screw is horizontally arranged on the base, the longitudinal driving motor is connected to the longitudinal screw and drives the longitudinal screw to rotate axially, and each transverse actuating mechanism engages with the corresponding longitudinal screw. The two longitudinal screws are arranged in parallel and spaced apart from each other. Each transverse actuating mechanism is respectively sleeved with another longitudinal screw rod. Each transverse actuating mechanism includes a transverse screw and a transverse drive motor. The transverse screw is arranged horizontally and arranged perpendicularly to the longitudinal screw. The transverse drive motor is connected to the transverse screw and drives the transverse screw to rotate axially. Each probe base engages with the corresponding Horizontal screw. Each lift actuating mechanism includes a lift drive motor, which is connected to the probe and drives the probe to move vertically in the axial direction.

Preferably, the aforementioned power supply measurement equipment further includes a drive unit, a control device, an oscilloscope, a recording device and an interface conversion device. The drive unit is electrically connected to the longitudinal drive motor, the transverse drive motor and the lift drive motor, and the drive unit can respectively drive the longitudinal drive motor, the transverse drive motor or the lift drive motor to operate. The control device is electrically connected to the driving unit so as to control the driving unit. The oscilloscope is electrically connected to each probe, the recording device is electrically connected to the oscilloscope, and the interface conversion device is bridged between the oscilloscope and the recording device. The interface conversion device includes a first connector and a second connector with different specifications and electrically connected to each other. The oscilloscope is electrically connected to the first connector, and the recording device is electrically connected to the second connector. The first connector is GPIB specification and the second connector is USB specification.

The present invention further provides a method for measuring a power supply, which is used for measuring the power status of electronic components on a circuit board of a power supply, and each electronic component includes a pair of pins. The steps of the power supply measurement method include: providing a pair of longitudinal actuators, a pair of lateral actuators, a pair of probes, and a pair of lifting actuators; using each longitudinal actuator to drive the corresponding lateral actuator respectively. The mechanism drives the horizontal displacement to align each foot position respectively; drives the corresponding probe vertically and horizontally to the displacement direction of the transverse actuator mechanism respectively by each horizontal actuator mechanism to align each foot position respectively; drives separately by each lifting actuator mechanism The corresponding probes are moved vertically up and down to touch the pins respectively and measure the power status of the electronic components.

Preferably, the aforementioned power supply measurement method can provide an oscilloscope electrically connected to each of the probes, and use the oscilloscope to display the power status of the electronic components. It can also provide a recording device electrically connected to the oscilloscope, an interface conversion device can be bridged between the oscilloscope and the recording device, and the recording device can record the power status of the electronic components. It can also provide a drive unit and a control device electrically connected to the drive unit, the drive units are respectively electrically connected to each longitudinal actuation mechanism, each horizontal actuation mechanism and each lifting actuation mechanism, and the control device controls the drive unit to drive the respective action. The configuration diagram of the electronic components can be loaded into the manufacturing device for the control device to control the driving unit accordingly.

The power supply measurement equipment and measurement method of the present invention can control the drive unit to respectively drive the longitudinal actuation mechanism, the lateral actuation mechanism and the lifting actuation mechanism through the control device, so that the probe can be moved automatically to measure the circuit board. voltage of the electronic components.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of a power supply measuring device according to a first embodiment of the present invention;

2 is another schematic perspective view of the power supply measuring device according to the first embodiment of the present invention;

3 is a side view of the power supply measuring device according to the first embodiment of the present invention;

4 is a schematic configuration diagram of a power supply measuring device according to the first embodiment of the present invention;

5 is a schematic diagram of a working state of the power supply measuring device according to the first embodiment of the present invention;

6 is a schematic diagram of another working state of the power supply measuring device according to the first embodiment of the present invention;

FIG. 7 is a schematic diagram of another configuration of the power supply measuring device according to the first embodiment of the present invention;

FIG. 8 is a flowchart of a power supply measurement method according to a second embodiment of the present invention.

Among them, reference signs:

10 circuit board

20 AC power supply unit

30 load simulator

100 base

110 stage

200 Longitudinal Actuator

210 longitudinal screw

220 longitudinal drive motor

300 Lateral Actuator

301 seat body

310 Transverse screw

320 Traverse drive motor

330 buffer rod

400 Probe Holder

401 probe

410 Lift Actuator

411 Lifting drive motor

412 rubber track

510 drive unit

520 Controls

610 Oscilloscope

620 Recording device

630 interface conversion device

631 first connector

632 Second connector

700 computer

a～g The steps of the embodiment of the present invention

Detailed ways

1 to 4, the first embodiment of the present invention provides a power supply measuring device, including a base 100, a pair of longitudinal actuators 200, a pair of lateral actuators 300, a pair of probe holders 400 , a pair of lifting actuating mechanisms 410 , a driving unit 510 , a control device 520 , an oscilloscope 610 , a recording device 620 and an interface conversion device 630 .

Referring to FIG. 1 and FIG. 3 , in this embodiment, a stage 110 is disposed on the base 100 , and the longitudinal actuating mechanism 200 is disposed on the base. Each longitudinal actuating mechanism 200 includes a longitudinal screw 210 and a longitudinal driving motor 220 respectively, and the longitudinal screw 210 is horizontally arranged on the base 100 . The two longitudinal screws 210 are arranged in parallel and spaced apart from each other, and the carrier 110 is arranged between the two longitudinal screws 210 . Each longitudinal driving motor 220 is disposed on the base 100 , each longitudinal driving motor 220 is respectively connected to a corresponding longitudinal screw 210 , and each longitudinal driving motor 220 can respectively drive the corresponding longitudinal screw 210 to rotate axially.

Referring to FIG. 1 and FIG. 2 , each horizontal actuating mechanism 300 is movably disposed on the longitudinal actuating mechanism 200 , and can be driven by the longitudinal actuating mechanism 200 to displace horizontally. In this embodiment, each horizontal actuating mechanism 300 straddles two longitudinal actuating mechanisms 200 respectively, and each horizontal actuating mechanism 300 can be driven by one of the longitudinal actuating mechanisms 200 to displace. Each transverse actuating mechanism preferably includes a base 301 , a transverse screw 310 and a transverse drive motor 320 . Each seat body 301 is elongated and straddled on two longitudinal screw rods 210, one end of the seat body 301 is engaged with the corresponding longitudinal screw rod 210, and the other end of the seat body 301 is movably socketed with another longitudinal screw rod 210 . In each transverse actuating mechanism 300 , the transverse screw 310 is arranged horizontally on the seat 301 , and the transverse screw 310 and the above-mentioned longitudinal screws 210 are arranged perpendicular to each other. Each transverse driving motor 320 is respectively disposed on the corresponding seat body 301 and connected to the transverse screw 310 to drive the transverse screw 310 to rotate axially. When the longitudinal screw 210 rotates, it can drive the engaged transverse actuating mechanism 300 to displace along it, and when the transverse actuating mechanism 300 is displaced, it can be assisted and guided by the socketed longitudinal screw 210 . In this embodiment, at least one of the transverse actuating mechanisms 300 may be provided with a buffer rod 330, the buffer rod 330 is disposed toward the other transverse actuating mechanism 300, and preferably includes a soft elastic end, and The seat body 301 is connected by a spring, so as to prevent the two transverse actuating mechanisms 300 from colliding with each other and being damaged when they move toward each other.

Referring to Fig. 2 and Fig. 3, each probe holder 400 is respectively arranged on the corresponding transverse actuating mechanism 300, and each probe holder 400 is respectively engaged with the corresponding transverse screw rod 310, and when the transverse screw rod 310 rotates, it can drive the engaged probe. The needle base 400 is displaced horizontally along the transverse screw, and the displacement direction of the probe base 400 is perpendicular to the displacement direction of the transverse actuating mechanism 300 . Each probe base 400 is respectively provided with a probe 401 , the probe 401 is configured upright and can move up and down relative to the probe base 400 .

Each lifting actuation mechanism 410 is respectively arranged on the corresponding probe holder 400, and each lifting actuation mechanism 410 includes a lifting drive motor 411, and the lifting drive motor 411 is connected to the probe 401 and can drive the probe 401 to move vertically in the axial direction. . In this embodiment, the lifting drive motor 411 and the probe 401 are preferably connected by a rubber crawler 412. When the probe 401 is blocked while moving, the elasticity of the rubber crawler 412 can produce a cushioning effect, but The present invention is not limited thereto.

4, the driving unit 510 is electrically connected to each vertical drive motor 220, each horizontal drive motor 320 and each lift drive motor 411, and the drive unit 510 can drive each vertical drive motor 220, each horizontal drive motor 320 or each lift The driving motor 411 runs. The control device 520 is electrically connected to the drive unit 510 so as to control the drive unit 510 to drive each vertical drive motor 220, each horizontal drive motor 320 or each lift drive motor 411. The control device 520 can be a computer, but the present invention is not limited thereto.

The oscilloscope 610 is electrically connected to each probe 401, and the recording device 620 is electrically connected to the oscilloscope 610. The recording device 620 may be a computer, but the present invention is not limited thereto. The interface conversion device 630 is bridged between the oscilloscope 610 and the recording device 620 , and includes a first connector 631 and a second connector 632 with different specifications and electrically connected to each other. The oscilloscope 610 is electrically connected to the first connector 631 through an electronic wire, and the recording device 620 is electrically connected to the second connector 632 through an electronic wire. In this embodiment, the first connector 631 is a general purpose interface bus specification (GPIB/General Purpose Interface Bus) corresponding to the oscilloscope 610; and the second connector 632 is a general purpose serial bus (USB) corresponding to the recording device 620 )Specification.

Referring to Fig. 5 and Fig. 6, the power supply measuring device of the present invention is used to measure the power state (such as voltage or current) of the electronic component on a circuit board 10, and circuit board 10 is used for power supply in the present embodiment, The circuit board is carried on the stage and arranged horizontally. The circuit board 10 is electrically connected to an AC power supply device 20 and a load simulator 30 (Electrical Load/e Load). The AC power supply device 20 can be a power supply, and the circuit board 10 is provided with a predetermined voltage, the load simulator 30 simulates a predetermined power load on the circuit board 10 .

Referring to Fig. 4 and Fig. 5, the component configuration diagram of the circuit board 10 is pre-loaded in the control device 520, and the control device 520 outputs the coordinate values of each electronic component on the circuit board 10 to the drive unit 510, and drives each vertical direction The driving motor 220 and each lateral driving motor 320 respectively move each probe 401 above the pin position of the electronic component to be tested.

Referring to Fig. 4 and Fig. 6, then, each probe 401 is lowered to respectively contact with the pins of the corresponding electronic components to be tested by driving the lifting drive motors 411 by the driving unit 510, so that the distance between the two pins can be measured. measurement data. When the probe 401 touches the corresponding pin, it can generate a cushioning effect through the elasticity of the rubber track 412 , thereby avoiding damage to the circuit board 10 or the electronic components on it.

The measurement data measured by the probe can be captured by the oscilloscope 610 , and the waveform variation of the measurement data relative to time can be displayed. The aforementioned measurement data is transmitted to the recording device 620 via the interface conversion device 630 and recorded by the recording device 620 . In this embodiment, the measurement data recorded in the recording device 620 can preferably be sent by software preloaded in the recording device, such as email, but the present invention is not limited thereto.

The power supply measuring device of the present invention can control the drive unit 510 to drive the longitudinal actuator mechanism 200 , the lateral actuator mechanism 300 and the lift actuator mechanism 410 respectively through the control device 520 . In this way, the probe 401 can be moved automatically to measure the voltage of the electronic components on the circuit board 10 , and the measurement result can be captured by the recording device 620 .

Referring to FIG. 7 , the control device 520 and the recording device 620 can preferably be integrated into the same computer 700 , and the computer 700 can control the moving probe 401 and acquire measurement data. Moreover, the AC power supply device 20 and the load simulator 30 can also be respectively connected to the computer 700 through the interface conversion device 630 , so that the computer 700 can be used to set the AC power supply device 20 and the load simulator 30 .

Referring to Fig. 8, the second embodiment of the present invention provides a power supply measurement method for measuring the power state of the electronic components on the circuit board 10 as described in the first embodiment, the power supply measurement method of the present invention Including at least steps a to d described below:

In step a, a power supply measurement device as described in the first embodiment is provided, which includes a pair of longitudinal actuating mechanisms 200, a pair of transverse actuating mechanisms 300, a pair of probes 401, and a pair of lifting actuating mechanisms 410 , a driving unit 510 , an oscilloscope 610 electrically connected to each probe, a recording device 620 electrically connected to the oscilloscope 610 , and a control device 520 electrically connected to the driving unit 510 . Step b and step c are executed following step a, and the execution order of step b and step c can be interchanged.

In step b, each vertical actuator mechanism 200 drives the corresponding horizontal actuator mechanism 300 to horizontally displace each horizontal actuator mechanism so that each horizontal actuator mechanism 300 is respectively aligned with each pin of the electronic component to be tested;

In step c, each horizontal actuator 300 is used to drive the corresponding probe 401 to horizontally displace, so that each probe 401 is respectively aligned with each pin of the electronic component to be tested, and the direction of horizontal displacement of the probe 401 is consistent with the horizontal actuator The directions of the 300 horizontal displacements are perpendicular to each other. Complete step b and step c respectively so that the probes 401 are located above the respective pins.

In step d, each lifting actuator 410 is used to drive the corresponding probe 401 to move vertically up and down so that each probe 401 contacts the corresponding pin position respectively, and the result can be obtained by measuring each pin position with the probe 401 Measure the power state between the two pins of the electronic component.

The power supply measurement method of the present invention may optionally further include step e to step h described later.

In step e, the power state of the electronic components measured by the probe 401 can be displayed by the oscilloscope 610 . In step f, the power state of the electronic component measured by the probe can be recorded by the recording device 620 .

In step g, the electronic component configuration diagram of the circuit board 10 is preloaded into the control device 520, and the control device 520 can automatically continue to execute steps b~d through the software or program preloaded therein, and the control device 520 Control the drive unit 510 according to the aforementioned configuration diagram to respectively drive each of the longitudinal actuators 200, each of the lateral actuators 300, and each of the lifting actuators 410 to move the probes 401, so that each probes 401 contact the circuit in sequence The pin position of each electronic component under test on the board.

With the power supply measurement method of the present invention, the probe 401 can be automatically moved to continuously measure the voltage of the electronic components on the circuit board 10 , and the measurement results can be captured by the recording device 620 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the claims of the present invention. Other equivalent changes using the spirit of the patent of the present invention shall all belong to the protection scope of the claims of the present invention.

Claims (14)

1. A power supply measuring device for measuring the power status of electronic components on a circuit board of a power supply, characterized in that it comprises: a base, a pair of longitudinal actuating mechanisms arranged on the base; a pair of transverse actuating mechanisms, each of which is movably arranged on the corresponding longitudinal actuating mechanism, and can be driven by the longitudinal actuating mechanism to displace horizontally; A pair of probe bases are respectively arranged on each of the transverse actuating mechanisms and each of the probe bases is movably uprightly provided with a probe, and each of the probe bases can be driven by the transverse actuating mechanism to displace horizontally. The direction of displacement of the probe holder is perpendicular to the direction of displacement of the transverse actuator; and a pair of lifting actuators, which are arranged on the probe base, and the lifting actuators are connected to the probe and can drive the vertical displacement of the probe; wherein each of the probes is connected to a rubber track; At least one of the transverse actuators is provided with a buffer rod, and the buffer rod is positioned toward the other transverse actuator. 2. The power supply measuring device according to claim 1, wherein each of the longitudinal actuating mechanisms comprises a longitudinal screw and a longitudinal drive motor, the longitudinal screw is horizontally arranged on the base, and the longitudinal drive motor is connected to The longitudinal screw drives the longitudinal screw to rotate axially, and each of the transverse actuators engages with the corresponding longitudinal screw respectively. 3. The power supply measuring device according to claim 2, wherein the two longitudinal screws are arranged in parallel and spaced apart from each other. 4 . The power supply measuring device according to claim 3 , wherein each of the transverse actuating mechanisms is respectively sleeved on the other of the longitudinal screw rods. 5. The power supply measuring device according to claim 2, wherein each of the transverse actuating mechanisms comprises a transverse screw and a transverse drive motor, the transverse screw is arranged horizontally and arranged perpendicular to the longitudinal screw, the The transverse driving motor is connected to the transverse screw and drives the transverse screw to rotate axially, and each of the probe bases engages with the corresponding transverse screw. 6 . The measuring device for a power supply as claimed in claim 5 , wherein each of the lifting actuating mechanisms comprises a lifting driving motor, and the lifting driving motor is connected to the probe and drives the probe to move axially and vertically. 7. The power supply measuring device according to claim 6, further comprising a driving unit, the driving unit is electrically connected to the vertical driving motor, the horizontal driving motor and the lifting driving motor, and the driving unit The longitudinal drive motor, the transverse drive motor or the lift drive motor can be driven to operate respectively. 8. The power supply measuring device according to claim 7, further comprising a control device, the control device is electrically connected to the driving unit to control the driving unit. 9. The power supply measuring device as claimed in claim 1, further comprising an oscilloscope electrically connected to each of the probes. 10. The power supply measuring device according to claim 9, further comprising a recording device, the recording device is electrically connected to the oscilloscope. 11. The power supply measuring device according to claim 10, further comprising an interface conversion device, the interface conversion device is bridged between the oscilloscope and the recording device. 12. The power supply measuring device according to claim 11, wherein the interface conversion device comprises a first connector and a second connector having different specifications and being electrically connected to each other, and the oscilloscope is electrically connected to The first connector and the recording device are electrically connected to the second connector. 13. The power supply measuring device as claimed in claim 12, wherein the first connector is of GPIB specification and the second connector is of USB specification. 14. A power supply measurement method, the power supply measurement device according to claim 1 to measure the power status of the electronic components, each of the electronic components includes a pair of pins, the power supply measurement method The steps are characterized in that they include: There is provided a power supply measurement device as claimed in claim 1, loading a layout diagram of the electronic components into the power supply measurement device; The power supply measuring device moves each of the probes to touch each of the pins according to the configuration diagram, so as to measure the power state of the electronic component; Using the power supply measuring device to record the power state of the electronic components.