CN217112612U - Intelligence wrist-watch mainboard testing arrangement - Google Patents

Intelligence wrist-watch mainboard testing arrangement Download PDF

Info

Publication number
CN217112612U
CN217112612U CN202220427606.3U CN202220427606U CN217112612U CN 217112612 U CN217112612 U CN 217112612U CN 202220427606 U CN202220427606 U CN 202220427606U CN 217112612 U CN217112612 U CN 217112612U
Authority
CN
China
Prior art keywords
module
mainboard
carrier plate
pressing
floating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220427606.3U
Other languages
Chinese (zh)
Inventor
李兴雄
郜继成
张�浩
周万召
陈兴顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Jingshi Measurement And Control Technology Co ltd
Original Assignee
P&R Measurement Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by P&R Measurement Inc filed Critical P&R Measurement Inc
Priority to CN202220427606.3U priority Critical patent/CN217112612U/en
Application granted granted Critical
Publication of CN217112612U publication Critical patent/CN217112612U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measuring Leads Or Probes (AREA)

Abstract

The utility model belongs to mainboard test equipment and discloses an intelligent watch mainboard test device, which comprises a pressing module, a mainboard support plate module and a signal transfer PCB module; the pressing module is connected with the mainboard carrier plate module through a rotating shaft, and the signal transfer PCB module is fixedly connected to the bottom of the mainboard carrier plate module; the pressing module comprises a pressing base and floating press block modules hinged with the two sides of the pressing base; the mainboard carrier plate module comprises a floating carrier plate for placing the mainboard to be tested in a profiling positioning manner and a carrier plate pin block module provided with probes; when the pressing module covers the mainboard carrier plate module in a pressing mode, the floating pressing block module presses the mainboard to be tested downwards, so that the mainboard to be tested, the floating carrier plate, the carrier plate pin block module and the signal transfer PCB module are sequentially in pressing contact, the mainboard to be tested is abutted to the upper end of a probe on the carrier plate pin block module, and a test circuit of the mainboard to be tested is conducted. The utility model provides a testing arrangement location is accurate, efficiency of software testing is high, can avoid crushing the product that awaits measuring, use and maintain convenient.

Description

Intelligence wrist-watch mainboard testing arrangement
Technical Field
The utility model belongs to mainboard test equipment, concretely relates to intelligence wrist-watch mainboard testing arrangement.
Background
With the rapid development of the technology in the field of electronic products, the requirements for the processing efficiency and the yield of the electronic products are increasingly improved, and the research and the optimized upgrade of product function testing equipment are gradually enhanced while the processing efficiency of the electronic products is continuously required to be improved.
Before putting the mainboard of intelligent wrist-watch into the preparation product, need test the intelligent wrist-watch mainboard to guarantee its application quality. Because the mainboard volume of intelligence wrist-watch is very little, lead to the diameter of the gold plating copper platinum PAD point that is responsible for signal derivation on this mainboard of intelligence wrist-watch and the interval of adjacent gold plating copper platinum PAD point all very little. For the function test of a mainboard series of the intelligent watch, a Pogoblock pin block structure loaded with a Pogopin micro probe is generally adopted. A main board function test of an intelligent watch generally relates to high-frequency signal transmission and test, and a Pogopin microprobe and a main board gold-plated copper platinum PAD point of the intelligent watch have contact impedance, so that the high-frequency signal transmission efficiency and the test yield are directly influenced; therefore, the improvement of the testing efficiency and the yield of the main board function of the smart watch becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at the problem to prior art existence, provide one kind and fix a position accurate, efficiency of software testing is high, can avoid crushing the product that awaits measuring, use and maintain convenient intelligent wrist-watch mainboard testing arrangement.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a smart watch mainboard testing device comprises a pressing module, a mainboard carrier plate module and a signal transfer PCB module, wherein the pressing module is connected with the mainboard carrier plate module through a rotating shaft, and the signal transfer PCB module is fixedly connected to the bottom of the mainboard carrier plate module;
the pressing module comprises a pressing base and floating press block modules hinged to the two sides of the pressing base;
the main board carrier plate module comprises a floating carrier plate and a carrier plate pin block module provided with probes, the floating carrier plate is connected to the carrier plate pin block module in a floating mode, and the floating carrier plate is provided with a profiling groove and a positioning bump and used for positioning a main board to be tested for placing the intelligent watch;
when the pressing module covers the mainboard carrier plate module in a pressing mode, the floating pressing block module presses down the mainboard to be tested, so that the mainboard to be tested, the floating carrier plate, the carrier plate pin block module and the signal transfer PCB module are sequentially in pressing contact, the mainboard to be tested is abutted to the upper end of the probe on the carrier plate pin block module, and a test circuit of the mainboard to be tested is conducted.
Furthermore, the mainboard carrier plate module also comprises a carrier plate base, the carrier plate base and the pressing base are both of a square-square frame structure, the floating press block module is positioned in a square-square cavity of the pressing base, and the floating carrier plate and the carrier plate pin block module are arranged in the square-square cavity of the carrier plate base; the first end of the pressing base is rotatably connected with the first end of the carrier plate base through a turnover bolt; the second end of the pressing base is provided with a hasp, the bottom of the hasp is provided with a hasp compression spring, and the second end of the carrier plate base is provided with a hasp locking block buckled with the hasp in a clamping mode.
Furthermore, the floating press block module comprises a press block and a press block bottom plate, the press block is connected to the press block bottom plate in a floating mode through press block equal-height screws, and a plurality of press block compression springs are arranged between the press block and the press block bottom plate; two sides of the pressing block bottom plate are respectively hinged with two side ends of the pressing base through a hinge equal-height screw.
Furthermore, the support plate needle block module comprises a middle needle module and a bottom needle module, the floating support plate is connected to the upper end of the middle needle module in a floating mode, the middle needle module is fixedly connected to the bottom of the support plate base in a groove frame formed in the bottom of the support plate base, and the bottom needle module is fixedly connected to the bottom of the middle needle module.
Furthermore, a round guide post and a diamond guide post are respectively arranged at the diagonal angle of the middle needle module, the floating carrier plate is sleeved on the round guide post and the diamond guide post in a sliding manner through a carrier plate guide sleeve, and a plurality of carrier plate compression springs are arranged between the floating carrier plate and the middle needle module; two round-head limiting screws are oppositely arranged on the support plate base in an inclined mode and used for limiting the upper end of the floating support plate.
Furthermore, two probes are fixedly arranged on the middle needle module; and two probe positioning pins are respectively arranged at two ends of the carrier plate base and used for installing and positioning the middle needle module and the probe 1.
Furthermore, the bottom end of the middle pin module is provided with two PCB locating pins, and the PCB locating pins penetrate through the bottom pin module and are used for installing and locating the signal transfer PCB module.
Furthermore, the signal transfer PCB module is fixedly connected to the bottom end of the carrier plate base, and an insulating gasket is arranged between the carrier plate base and the signal transfer PCB module.
Furthermore, an overturning torsion spring is arranged on the overturning bolt, and two ends of the overturning torsion spring are elastically abutted to the pressing base to play a role in supporting the pressing base in a free state.
Furthermore, the pressing module further comprises a U-shaped pressing handle, the pressing handle is fixedly connected to the second end of the pressing base through screws, and the U-shaped opening of the pressing handle faces the hasp.
Compared with the prior art, the utility model discloses produced beneficial effect is:
(1) the floating press block module and the floating support plate of the utility model both adopt floating connection structures of the equal-height screws and the compression springs, can offset the fit tolerance during pressing through floating setting, and the floating press block module is hinged on the pressing base, can realize swinging at different angles by self gravity, is pressed on the mainboard to be tested in a self-adaptive manner, and can avoid crushing the product to be tested and the support plate needle block module; meanwhile, through the arrangement of various guide limiting structures and positioning limiting structures, the accurate positioning of the carrier plate pin block module, the floating carrier plate and the main board to be tested can be ensured, the accurate binding of a gold-plated copper platinum PAD point and a Pogopin microprobe 201 of the main board of the intelligent watch is ensured, and the contact impedance is effectively reduced;
(2) the utility model provides a testing device, the unsteady support plate carries out profiling location and location lug location to intelligent wrist-watch, and the location mode is unique and easy operation, can avoid operating personnel to put the position of the mainboard that awaits measuring by mistake; the pressing base is rotatably connected with the carrier plate base through a turnover bolt in a turnover cover pressing mode, a hasp and a hasp locking block are adopted for fastening and pressing, a torsion spring is arranged on the turnover bolt, and a hasp compression spring is arranged at the bottom of the hasp, so that the pressing base can be supported through the torsion spring in an open state, and the pressing module is prevented from being automatically closed in the testing process to crush the mainboard to be tested and the carrier plate pin block module; under the buckling state, the hasp is tightly buckled with the hasp locking block through the elastic action of the hasp compression spring; during testing, after the to-be-tested mainboard of the intelligent watch is positioned and placed, the testing device can be fastened through overturning and pressing, so that the testing device can be placed into a testing machine for testing, the operation is simple and convenient, and the testing efficiency is greatly improved;
(3) the utility model provides a testing device with strong interchangeability, which can be suitable for testing the main board of the intelligent watch at different stages by replacing the floating press block module, the floating support plate and the support plate needle block module; the whole structure is simple, the processing cost is low, and the use and the maintenance are convenient.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a motherboard to be tested according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a floating briquette module according to an embodiment of the present invention;
fig. 4 is an exploded schematic view of a carrier base according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a carrier plate pin block module according to an embodiment of the present invention;
the notation in the figure is:
1-pressing module, 101-pressing base, 102-floating press block module, 103-turning bolt, 104-hasp, 105-press block, 106-press block bottom plate, 107-press block equal-height screw, 108-press block compression spring, 109-hinged equal-height screw, 110-turning torsion spring and 111-pressing handle;
2-mainboard carrier module, 201-probe, 202-carrier base, 203-hasp lock block, 204-floating carrier, 205-middle pin module; 206-bottom pin module, 207-round guide post, 208-diamond guide post, 209-carrier guide sleeve, 210-carrier compression spring, 211-round head limit screw, 212-probe positioning pin, 213-PCB positioning pin, 214-signal transfer PCB screw, 215-insulating gasket, 216-middle pin block screw; 217-positioning bumps, 218-carrier screws;
3-signal switching PCB module; 4-mainboard to be tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
With reference to fig. 1-5, the present invention provides an intelligent watch motherboard testing apparatus, as shown in fig. 1, including a press-fit module 1, a motherboard carrier board module 2, and a signal transfer PCB module 3; the pressing module 1 is connected with the mainboard carrier plate module 2 through a rotating shaft, and the signal transfer PCB module 3 is fixedly connected to the bottom of the mainboard carrier plate module 2;
the pressing module 1 comprises a pressing base 101 and a floating press block module 102 hinged to two sides of the pressing base 101;
the mainboard carrier plate module 2 comprises a floating carrier plate 204 and a carrier plate pin block module, the floating carrier plate 204 is connected to the carrier plate pin block module in a floating manner, a profiling groove and a positioning bump 217 are arranged on the floating carrier plate 204 and used for positioning a mainboard 4 to be tested (see fig. 2) for placing the smart watch, and the profiling structure and the positioning bump 217 can prevent an operator from misplacing the mainboard 4 to be tested; the bottom of mainboard 4 that awaits measuring is provided with a plurality of test gilding copper platinum PAD point, install two probes 201 on the support plate needle piece module, pressfitting module 1 pressfitting lid when on mainboard support plate module 2 for mainboard 4 that awaits measuring, floating support plate, support plate needle piece module and signal switching PCB module 3 compress tightly the contact in proper order, and make the gilding copper platinum PAD point of mainboard 4 bottom that awaits measuring and the upper end butt of two probes 201 on the support plate needle piece module, switch on the test circuit of mainboard that awaits measuring.
The mainboard carrier module 2 further comprises a carrier base 202, the carrier base 202 and the press-fit base 101 are both of a square-frame structure, the floating press block module 102 is located in a square-frame cavity of the press-fit base 101, and the floating carrier 204 and the carrier pin block module are arranged in the square-frame cavity of the carrier base 202; the first end of the pressing base 101 is rotatably connected with the first end of the carrier base 202 through the turning bolt 103, so as to realize the buckling action of the pressing module 1 and the gland of the mainboard carrier module 2; the overturning bolt 103 is provided with an overturning torsion spring 110, two ends of the overturning torsion spring 110 are elastically abutted to the pressing base 101, and the overturning torsion spring plays a role in supporting the pressing base 101 in an opened state, so that the pressing module 1 is prevented from crushing the mainboard 4 to be tested and the carrier plate pin block module due to automatic closing in the testing process; the second end of the press-fit base 101 is provided with a hasp 104, the bottom of the hasp 104 is provided with a hasp compression spring (not shown), the second end of the carrier base 202 is provided with a hasp locking block 203 which is buckled with the hasp 104 in a clamping manner, and the hasp 104 and the hasp locking block 203 are tightly buckled under the elastic action of the hasp compression spring in a buckling state.
The pressing module 1 is further provided with a U-shaped pressing handle 111, the pressing handle 111 is fixedly connected to the second end of the pressing base 101 through screws, and the U-shaped opening of the pressing handle 111 faces towards the hasp, so that pressing operation is facilitated.
As shown in fig. 3, the floating press block module 102 includes a press block 105 and a press block bottom plate 106, the press block 105 is floatingly connected to the press block bottom plate 106 by a press block equal-height screw 107, and a plurality of press block compression springs 108 are arranged between the press block 105 and the press block bottom plate 106; two sides of the pressing block bottom plate 106 are respectively hinged with two side ends of the pressing base 101 through a hinge equal-height screw 109, when the pressing base 101 is turned over, the floating pressing block module 102 can swing at different angles by means of self gravity and is pressed on the main board 4 to be tested in a self-adaptive mode, and products to be tested and the support plate pin block module are prevented from being damaged by pressing.
Referring to fig. 4 and 5, the carrier plate pin block module includes a middle pin module 205 and a bottom pin module 206, the floating carrier plate 204 is connected to the upper end of the middle pin module 205 in a floating manner, the middle pin module 205 is fixedly connected to a groove frame arranged at the bottom of the carrier plate base 202 through a middle pin block screw 216, and the bottom pin module 206 is fixedly connected to the bottom end of the middle pin module 205.
Two probes 201 are fixedly arranged on the middle pin module 205, and two probe positioning pins 212 are respectively arranged at two ends of the carrier plate base 202 and used for installing and positioning the middle pin module 205 and the probes 201; a circular guide column 207 and a rhombic guide column 208 are respectively arranged at the diagonal angles of the middle pin module 205, the floating carrier plate 204 is slidably sleeved on the circular guide column 207 and the rhombic guide column 208 through a carrier plate guide sleeve 209, and a plurality of carrier plate compression springs 210 are arranged between the floating carrier plate 204 and the middle pin module 205; two round-head limiting screws 211 are obliquely and oppositely arranged on the carrier plate base 202 and used for limiting the upper end of the floating carrier plate 204; the bottom of middle needle module 205 is provided with two PCB board locating pins 213, PCB board locating pin 213 runs through bottom needle module 207 for the installation location of signal switching PCB module 3.
In the structure, the floating carrier plate structure can offset the fit tolerance during pressing, so that the product to be tested and the carrier plate pin block module are prevented from being crushed; through the setting of various direction limit structure and location limit structure, can guarantee the accurate positioning of support plate needle piece module, unsteady support plate and the mainboard 4 that awaits measuring, ensure that the mainboard gilding copper platinum PAD point and the accurate prick of Pogopin microprobe 201 of intelligent wrist-watch, effectively reduce contact impedance.
The bottom of the carrier base 202 is fixedly connected to an insulating spacer 215 and the signal adapting PCB module 3 through a carrier screw 218, the insulating spacer 215 is disposed between the carrier base 202 and the signal adapting PCB module 3 for insulating and isolating, and the signal adapting PCB module 3 is further fastened to the bottom of the carrier base 202 through a signal adapting PCB screw 214.
The above description is only an example of the present application and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An intelligent watch mainboard testing device comprises a pressing module (1) and a mainboard carrier plate module (2), wherein the pressing module (1) is connected with the mainboard carrier plate module (2) through a rotating shaft, and the intelligent watch mainboard testing device is characterized by further comprising a signal transfer PCB module (3), and the signal transfer PCB module (3) is fixedly connected to the bottom of the mainboard carrier plate module (2);
the pressing module (1) comprises a pressing base (101) and a floating pressing block module (102) hinged with two sides of the pressing base (101);
the main board carrier plate module (2) comprises a floating carrier plate (204) and a carrier plate pin block module provided with probes (201), the floating carrier plate (204) is connected to the carrier plate pin block module in a floating mode, and a profiling groove and a positioning bump (217) are formed in the floating carrier plate (204) and used for positioning a main board (4) to be tested for placing the smart watch;
when the pressing module (1) is covered on the mainboard carrier plate module (2), the floating press block module (102) presses down the mainboard (4) to be tested, so that the mainboard (4) to be tested, the floating carrier plate (204), the carrier plate pin block module and the signal transfer PCB module (3) are sequentially in pressing contact, the upper ends of the probes (201) on the mainboard (4) to be tested and the carrier plate pin block module are abutted, and a test circuit of the mainboard to be tested is conducted.
2. The intelligent watch mainboard testing device of claim 1, wherein the mainboard carrier module (2) further comprises a carrier base (202), the carrier base (202) and the press-fit base (101) are of a frame structure, the floating press block module (102) is located in a cavity of the press-fit base (101), and the floating carrier (204) and the carrier pin module are arranged in the cavity of the carrier base (202); the first end of the pressing base (101) is rotatably connected with the first end of the carrier plate base (202) through a turnover bolt (103); the second end of pressfitting base (101) is provided with hasp (104), and is provided with hasp compression spring in hasp (104) bottom, the second end of support plate base (202) is provided with hasp locking piece (203) with hasp (104) joint lock is buckled.
3. The smart watch mainboard testing device according to claim 2, wherein the floating press block module (102) comprises a press block (105) and a press block bottom plate (106), the press block (105) is connected to the press block bottom plate (106) in a floating mode through press block equal-height screws (107), and a plurality of press block compression springs (108) are arranged between the press block (105) and the press block bottom plate (106); two sides of the pressing block bottom plate (106) are respectively hinged with two side ends of the pressing base (101) through a hinge equal-height screw (109).
4. The test device for the mainboard of the intelligent watch according to claim 2 or 3, wherein the carrier board pin block module comprises a middle pin module (205) and a bottom pin module (206), the floating carrier board (204) is connected to the upper end of the middle pin module (205) in a floating manner, the middle pin module (205) is fixedly connected to a groove frame arranged at the bottom of the carrier board base (202), and the bottom pin module (206) is fixedly connected to the bottom end of the middle pin module (205).
5. The intelligent watch mainboard testing device according to claim 4, wherein a circular guide post (207) and a diamond guide post (208) are respectively arranged at the diagonal angles of the middle pin module (205), the floating carrier plate (204) is slidably sleeved on the circular guide post (207) and the diamond guide post (208) through a carrier plate guide sleeve (209), and a plurality of carrier plate compression springs (210) are arranged between the floating carrier plate (204) and the middle pin module (205); the upper end of the floating carrier plate (204) is limited by two round-head limiting screws (211) which are arranged on the carrier plate base (202) in an inclined and opposite mode.
6. The device for testing the mainboard of the intelligent watch according to claim 5, wherein two probes (201) are fixedly arranged on the middle pin module (205); two ends of the carrier plate base (202) are respectively provided with a probe positioning pin (212) for installing and positioning the middle pin module (205) and the probe (201).
7. The test device for the main board of the smart watch of claim 6, wherein two PCB positioning pins (213) are disposed at the bottom end of the middle pin module (205), and the PCB positioning pins (213) penetrate through the bottom pin module (206) for installing and positioning the signal transfer PCB module (3).
8. The device for testing the mainboard of the smart watch of claim 7, wherein the signal transfer PCB module (3) is fixedly connected to the bottom end of the carrier board base (202), and an insulating gasket (215) is arranged between the carrier board base (202) and the signal transfer PCB module (3).
9. The intelligent watch mainboard testing device according to claim 2, wherein a flip torsion spring (110) is arranged on the flip bolt (103), and both ends of the flip torsion spring (110) elastically abut against the press-fit base (101) to support the press-fit base (101) in a free state.
10. The smart watch mainboard testing device according to claim 2 or 9, wherein the press-fit module (1) further comprises a U-shaped press-fit handle (111), the press-fit handle (111) is fixedly connected to the second end of the press-fit base (101) through screws, and the U-shaped opening of the press-fit handle (111) faces the buckle (104).
CN202220427606.3U 2022-02-25 2022-02-25 Intelligence wrist-watch mainboard testing arrangement Active CN217112612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220427606.3U CN217112612U (en) 2022-02-25 2022-02-25 Intelligence wrist-watch mainboard testing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220427606.3U CN217112612U (en) 2022-02-25 2022-02-25 Intelligence wrist-watch mainboard testing arrangement

Publications (1)

Publication Number Publication Date
CN217112612U true CN217112612U (en) 2022-08-02

Family

ID=82600486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220427606.3U Active CN217112612U (en) 2022-02-25 2022-02-25 Intelligence wrist-watch mainboard testing arrangement

Country Status (1)

Country Link
CN (1) CN217112612U (en)

Similar Documents

Publication Publication Date Title
CN210222067U (en) Circulator chip detection tool
CN217112612U (en) Intelligence wrist-watch mainboard testing arrangement
CN209946224U (en) IC test seat
CN212586499U (en) PCB testing device
CN113419087A (en) Radio frequency test fixture
CN212008835U (en) Aging test seat and aging test device
US7385408B1 (en) Apparatus and method for testing integrated circuit devices having contacts on multiple surfaces
CN218956645U (en) Flip type chip test seat convenient to open
CN211152470U (en) Network rack convenient to reason line
CN210243783U (en) Flip type FCT (fiber channel test) machine
CN217505937U (en) Test fixture of microchip
CN211478541U (en) Testing jig for flexible circuit board
CN210323117U (en) Self-adaptive downward-pressing test carrier based on connecting rod cam positioning mechanism
CN217521205U (en) Jig device of connector
CN219392122U (en) Shell suitable for testing various chips and pressing device thereof
CN221039241U (en) DDR particle impedance measuring device and jig
CN219302535U (en) Shielding box
CN219016386U (en) Testing device for middle hole-opening chip
CN215339976U (en) Linkage pressure connection test tool
CN214705431U (en) Portable signal acquisition, storage and playback equipment
CN216646660U (en) Testing device
CN218382902U (en) Test fixture of antenna
CN221057786U (en) Cloth belt conductive transfer module
CN219810973U (en) Test switching module
CN219758382U (en) Lower needle test fixture

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 519125 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province

Patentee after: Zhuhai Jingshi Measurement and Control Technology Co.,Ltd.

Address before: 519125 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province

Patentee before: P&R. MEASUREMENT Inc.

CP01 Change in the name or title of a patent holder