CN213149171U

CN213149171U - LCR probe module

Info

Publication number: CN213149171U
Application number: CN202022110791.7U
Authority: CN
Inventors: 朱彦强; 祝斌; 张晓荣; 卞程辉; 谷新
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-07
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a LCR probe module, including probe seat, width adjustment part, transverse slide rail and two sets of probe subassemblies, width adjustment part reaches the transverse slide rail all set up in on the probe seat, every group the probe subassembly all includes a plummer, a clamping part and a probe, every group the probe subassembly all through the plummer with transverse slide rail sliding connection, each plummer receives the width adjustment part drive and along transverse slide rail lateral sliding is with the adjustment distance, set up on the plummer the clamping part, the probe centre gripping is in on the clamping part; the distance between the two clamping components can be conveniently adjusted through the width adjusting component, so that the distance of the probe can be adjusted, and the device is convenient to be suitable for measuring physical values of inductors, capacitors and resistance elements with different sizes.

Description

LCR probe module

Technical Field

The utility model relates to a LCR probe module belongs to the electronic component's on the PCB board measurement field.

Background

A PCB, i.e. a printed circuit board, is provided with several electronic components, such as capacitors, resistors, inductors, etc., thereon. After the electronic components are mounted, the electronic components need to be measured, so that the accuracy of the mounted components is ensured. In the prior art, the tester for testing the inductance, the capacitance and the resistance (namely, LCR testing) is inconvenient to adjust the width, so that the applicable inductor, the capacitor or the resistance are single in size, and the tester is especially not suitable for measuring smaller elements. In the prior art, the test of the thermosensitive element needs manual heating, and has low efficiency and difficult control. In addition, it is difficult to determine the degree of contact between the probe and the dut during the testing process. In addition, the polarity detection of the chip device is also difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LCR probe module convenient to be applicable to not unidimensional especially less electronic component.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an LCR probe module comprises a probe seat, a width adjusting component, transverse sliding rails and two sets of probe assemblies, wherein the width adjusting component and the transverse sliding rails are arranged on the probe seat, each set of probe assembly comprises a bearing platform, a clamping component and a probe, each set of probe assembly is connected with the transverse sliding rails in a sliding mode, the bearing platform is driven by the width adjusting component and slides transversely along the transverse sliding rails to adjust the distance, the clamping component is arranged on the bearing platform, and the probe is clamped on the clamping component.

As the utility model discloses further modified technical scheme, the probe seat include the roof and connect perpendicularly in the curb plate of roof below, the width adjustment part and horizontal slide rail all is fixed in on the curb plate, horizontal slide rail is located the below of width adjustment part.

As a further improved technical solution of the present invention, the probe seat is provided with a detection camera for detecting the working condition of the probe.

As the utility model discloses further modified technical scheme still includes the base, be provided with on the base and be used for the drive probe seat pivoted rotary driving mechanism.

As the utility model discloses further modified technical scheme, be provided with on the base and be used for the drive rotary driving mechanism is along longitudinal movement's vertical actuating mechanism, vertical actuating mechanism include with the base is along longitudinal sliding connection's sliding seat, rotary driving mechanism is fixed in on the sliding seat.

As the utility model discloses further modified technical scheme, be provided with the CCD camera that is used for detecting the polarity of the component that awaits measuring on the base and/or be used for carrying out the hot-blast rifle that heats to the component that awaits measuring.

As a further improved technical scheme of the utility model, the width adjustment part is linear motor, linear motor has two drive slider that can reciprocating motion, every one is installed to drive slider below the plummer.

As a technical scheme of the utility model further improved, a side of plummer with horizontal slide rail sliding connection is provided with longitudinal slide rail on the another side, sliding connection has the support component on the longitudinal slide rail, clamping part is fixed in on the support component, still be provided with elastomeric element on the support component, elastomeric element is right the support component is applyed towards keeping away from the elastic force of width adjustment part direction.

As a further improved technical solution of the present invention, the elastic component is a spring, and both ends of the spring are respectively connected to the supporting component and the bearing platform.

As the utility model discloses further modified technical scheme, hold assembly is L shape, two on the plummer the mutual symmetry of hold assembly sets up.

Compared with the prior art, the utility model discloses a LCR probe module can be convenient for adjust the distance of two hold-down parts through width adjustment part to adjust the distance of probe, be convenient for be applicable to the physical value measurement of inductance, electric capacity and the resistance element of different sizes, the measurement of the component of especially small-size, for example 0.25 0.125 mm's component, effectively improved current measuring limit. Preferably, the utility model discloses still be provided with detection camera, CCD camera and hot-blast rifle, through the behavior that detects the camera and can the real-time detection probe. By arranging the CCD camera, the function of detecting the polarity of the element to be detected can be realized. By arranging the hot air gun, the element to be detected such as a thermosensitive element can be heated, so that the accuracy of the detection result is ensured. Furthermore, the utility model discloses still be provided with rotary driving mechanism and vertical actuating mechanism, can rotate and longitudinal movement to the probe seat to reach and adjust the probe to suitable position, carry out automated inspection's needs with the component that awaits measuring to different spatial position in order to satisfy.

Drawings

FIG. 1 is a perspective view of one embodiment of an LCR probe module of the present invention;

FIG. 2 is a perspective view from another perspective corresponding to FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1;

FIG. 4 is a perspective view of another perspective corresponding to FIG. 3;

FIG. 5 is a front view of FIG. 3;

fig. 6 is a side view of fig. 3.

Detailed Description

Referring to fig. 1 to 6, the present invention discloses an LCR probe module, which includes a probe base 1, a width adjustment component 2, a horizontal slide rail 3, a bearing platform 4, a clamping component 5, a probe 6, a detection camera 12, a base 13, a rotation driving mechanism 14, a vertical driving mechanism 15, a CCD camera 16, a hot air gun 17, etc.

As shown in fig. 3-6, which show perspective views of the probe holder 1 and components carried on the probe holder 1. The width adjustment component 2 and the transverse slide rail 3 are both arranged on the probe base 1, and the transverse slide rail 3 is positioned below the width adjustment component 2. Sliding connection has two sets of probe subassemblies on horizontal slide rail 3, every group probe subassembly all includes a plummer 4, a clamping part 5 and a probe 6, every group probe subassembly all through

plummer

4 and 3 sliding connection of horizontal slide rail, and the quantity of each plummer is two, two plummers 4 all with horizontal slide rail 3 sliding connection, two plummers 4 receive width adjustment part 2 drive and slide along horizontal slide rail 3 with the adjustment distance, the slip direction of horizontal slide rail 3 is the X direction in the picture. The width adjustment member 2 functions to drive the two carriers 4 to move in opposite directions, thereby enabling adjustment of the spacing therebetween. The stage 4 is provided with a holding member 5, and the holding member 5 holds the probe 6. Since the probes 6 move along with the holding member 5 and the holding member 5 is mounted on the stage 4, the two probes 6 in the figure are subjected to the action of the width adjustment member 2 to adjust the distance.

As shown in fig. 1 and fig. 2, in the present embodiment, the prober holder 1 includes a top plate 101 and a side plate 102 vertically connected below the top plate 101, the side plate 102 extends vertically downward from one end of the top plate 101, the width adjusting member 2 and the transverse slide rail 3 are fixed on the side plate 102, and the transverse slide rail 3 is located below the width adjusting member 2. The top plate 101 can be used to connect the probe base 1 with other components, such as a subsequent rotation driving mechanism, and the side plate 102 is used to fix the width adjustment component 2 and the transverse slide rail 3. Further, ribs 103 are provided between both ends of the top plate 101 and the side plates 102, and the ribs 103 can serve to structurally reinforce the probe holder 1. Rib 103 is preferably trapezoidal, and spans between top plate 101 and side plate 102, and rib 103 has rib hole 1031.

In order to know the working condition of the probe, the detection camera 12 is arranged on the probe seat 1, the detection camera 12 projects a visual field area 18, the detection camera 12 can monitor the condition of the probe 6 for detecting parts in real time, and whether the probe correctly contacts the parts can be clearly judged.

In this embodiment, the width adjustment component 2 is a linear motor, the linear motor has two driving sliders 11 capable of reciprocating, and one bearing platform 4 is installed below each driving slider 11. That is, the two driving sliders 11 can perform reciprocating linear motion and move in opposite directions, so as to drive the carrier stage 4 thereon to move in different directions to adjust the distance of the probe 6. Of course, the width adjustment member 2 is not limited to a linear motor, and other mechanisms capable of achieving reciprocating motion, such as an air cylinder or other screw-nut mechanism, may be selected.

In order to facilitate the adjustment and buffering of the probe 6 in the longitudinal direction, one side surface of the carrier 4 is slidably connected to the transverse slide 3, the other side surface is provided with a longitudinal slide 7, the longitudinal slide 7 is slidably connected to a support member 8, and the clamping member 5 is fixed to the support member 8, so that the clamping member 5 can slide in the longitudinal direction along the longitudinal slide 7 by means of the support member 8, i.e., in the Z direction in fig. 1 and 2. The support member 8 is further provided with an elastic member that applies an elastic force to the support member 8 in a direction away from the width adjustment member 2. The elastic part has the effect that in a normal state, the probe 6 is in a downward extending state under the action of elastic acting force, and when the probe seat 1 is moved downwards, if the probe 6 impacts a certain position, the elastic part can form buffering force, so that the probe 6 can move upwards in the longitudinal direction, rigid impact is avoided, and the probe 6 is effectively protected.

As shown in the figure, the elastic component is a spring 9, and two ends of the spring 9 are respectively connected to the supporting component 8 and the bearing platform 4. Further, the spring 9 is a tension spring, and the supporting member 8 and the bearing platform 4 are respectively provided with a latch hook 10 for mounting an end of the spring 9, as shown in fig. 4. That is, in the normal state, the spring 9 exerts an elastic force downward in the Z-axis direction in the drawing on the supporting member 8, and when the probe 6 is subjected to a rigid impact, it is cushioned upward in the Z-axis direction.

In addition, as shown in fig. 1, the holding members 5 are L-shaped, and the holding members 5 on the two stages 4 are arranged symmetrically to each other. The holding member 5 has a rectangular hole 501.

As shown in fig. 1 and fig. 2, the LCR probe module further includes a base 13, and a rotation driving mechanism 14 is disposed on the base 13, for example, in this embodiment, the rotation driving mechanism 14 includes a first motor, the first motor 1401 is mounted on a motor base 1402, an output shaft of the first motor 1401 drives a rotating disc to rotate through gear transmission, and the probe base 1 is fixed on the rotating disc, so that when the first motor 1401 rotates, the probe base 1 can be driven to rotate.

In order to facilitate the movement of the probe holder 1 as a whole in the Z-axis direction in the figure, the rotary driving mechanism 14 is fixed on the longitudinal driving mechanism 15, and the longitudinal driving mechanism 15 drives the rotary driving mechanism 14 to move along the longitudinal direction (i.e. the Z-direction in the figure), so as to drive the probe holder 1 to move in the longitudinal direction. In this embodiment, the longitudinal driving mechanism 15 includes a second motor 1501, the second motor 1501 drives the screw sliding table 1502 to rotate, and the sliding base 1503 is connected to the screw sliding table 1502. Two guide rails 1504 are provided on the base 13, and a slide base 1503 is slidably connected to the two guide rails 1504, and functions of vertical slide guide are realized by the slide base 1503 cooperating with the guide rails 1504.

In order to realize the function that detects the polarity of chip component, the utility model discloses set up CCD camera 16 on base 13, acquire the image information of chip component through the CCD camera to with the control system cooperation, can realize carrying out the function that detects the polarity of chip component, CCD camera 16 includes CCD (be charge-coupled device) 1601 and light source 1602, CCD1601 installs in one side of base 13 through first support 19. In addition, in order to solve the problem that some specific components (for example, heat-sensitive components) need to be heated when detecting, the utility model discloses the innovative has set up the hot-blast rifle 17 that heats the component to be detected on base 13, and hot-blast rifle 17 is installed on second support 20, and second support 20 can reciprocate through the drive of lift cylinder 21 to adjust the high position of hot-blast rifle 17, lift cylinder 21 is fixed in the opposite side of base 13 through the connecting plate. The hot air gun 17 can heat the element to be detected, so that the thermosensitive element can be detected, and the accuracy of a detection result is ensured. The hot air gun is matched with the control system, so that the automatic heating function can be realized.

The utility model discloses a LCR probe module can adjust two probe 6's distance through width adjustment part 2, realizes the measurement to the especially less component of not unidimensional electronic component, for example 0.25 element 0.125mm, more 0.6 element 0.3mm of present mainstream have and promote by a wide margin. The probe seat 1 can be fixed on the rotary driving mechanism 14, and the position is adjusted by the rotary driving mechanism 14 and the longitudinal driving mechanism 15, and the physical values of the inductance, the capacitance and the resistance elements on the whole PCB board are measured according to different coordinates of the electronic elements on the PCB board.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An LCR probe module, its characterized in that: the probe assembly comprises a probe seat, a width adjusting component, a transverse sliding rail and two sets of probe assemblies, wherein the width adjusting component and the transverse sliding rail are arranged on the probe seat, each set of probe assembly comprises a bearing platform, a clamping component and a probe, each set of probe assembly is connected with the transverse sliding rail in a sliding mode through the bearing platform, each bearing platform is driven by the width adjusting component to slide transversely along the transverse sliding rail to adjust the distance, the clamping component is arranged on the bearing platform, and the probe is clamped on the clamping component.

2. An LCR probe module as set forth in claim 1, wherein: the probe seat comprises a top plate and a side plate vertically connected below the top plate, the width adjusting part and the transverse sliding rail are fixed on the side plate, and the transverse sliding rail is located below the width adjusting part.

3. An LCR probe module as set forth in claim 1, wherein: and the probe seat is provided with a detection camera for detecting the working condition of the probe.

4. An LCR probe module as set forth in claim 1, wherein: the probe seat is characterized by further comprising a base, wherein a rotary driving mechanism used for driving the probe seat to rotate is arranged on the base.

5. An LCR probe module according to claim 4 wherein: the base is provided with a longitudinal driving mechanism used for driving the rotary driving mechanism to move longitudinally, the longitudinal driving mechanism comprises a sliding seat connected with the base in a longitudinal sliding mode, and the rotary driving mechanism is fixed on the sliding seat.

6. An LCR probe module according to claim 4 wherein: the base is provided with a CCD camera for detecting the polarity of the element to be detected and/or a hot air gun for heating the element to be detected.

7. An LCR probe module as set forth in claim 1, wherein: the width adjusting component is a linear motor, the linear motor is provided with two driving sliding blocks capable of reciprocating, and one bearing platform is installed below each driving sliding block.

8. An LCR probe module as set forth in claim 1, wherein: one side of plummer with horizontal slide rail sliding connection is provided with vertical slide rail on the another side, sliding connection has the support component on the vertical slide rail, clamping part is fixed in on the support component, still be provided with elastomeric element on the support component, elastomeric element is right the support component is applyed towards keeping away from the elastic force of width adjustment part direction.

9. An LCR probe module as set forth in claim 8, wherein: the elastic component is a spring, and two ends of the spring are respectively connected to the supporting component and the bearing platform.

10. An LCR probe module as set forth in claim 1, wherein: the clamping parts are L-shaped, and the clamping parts on the two bearing tables are symmetrically arranged.