CN217085184U

CN217085184U - ECU circuit board process defect LCR testing arrangement

Info

Publication number: CN217085184U
Application number: CN202123401964.1U
Authority: CN
Inventors: 倪明宇; 蔡宝星
Original assignee: Jiangsu Winworld Precision Parts Co ltd
Current assignee: Jiangsu Winworld Precision Parts Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-29
Anticipated expiration: 2031-12-31

Abstract

An LCR testing device for process defects of an ECU circuit board relates to the technical field of electronic circuit detection, and comprises a tool table, a fixing frame arranged above the tool table, a positioning device and an LCR tester, wherein the fixing frame is provided with the positioning device, the tool table is composed of a panel, supporting legs and a shell, the supporting legs are uniformly distributed at four corners of the lower surface of the panel, the LCR tester is arranged on the upper surface of the panel, the shell is symmetrically arranged at two sides of the panel, the fixing frame is arranged on the shell and consists of a supporting rod and a connecting rod, one end of the supporting rod is arranged in the shell, the other end of the supporting rod is provided with the connecting rod, the positioning device is provided with a sleeve, a limiting ring and a turning plate, the sleeve is sleeved on the connecting rod, the limiting ring is arranged in the sleeve, and the turning plate is arranged on the side surface of the sleeve; the utility model discloses the practicality is strong, uses unusual convenience, not only can accurately detect the electronic component who damages the disappearance on the ECU circuit board, improves the yields, need not detect every components and parts of whole circuit moreover for the product beat promotes, and production efficiency improves.

Description

ECU circuit board process defect LCR testing arrangement

Technical Field

The utility model belongs to the technical field of the electronic circuit detects technique and specifically relates to a ECU circuit board process defect LCR testing arrangement is related to.

Background

As is known, the existing product is provided with an ECU integrated circuit board, when the product leaves a factory, a manufacturer is subjected to 100% screening, the damage or the loss of components still occurs, the ECU integrated circuit board is damaged and cannot be identified in the production process, the defective products flow out, CCD is used for detection during quality inspection, most of damaged components cannot be effectively identified, and if each component of the whole circuit is detected, the time waste and the efficiency are low, and the product beat and the production efficiency are reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough in the background art, the utility model discloses a ECU circuit board process defect LCR testing arrangement, the utility model discloses a set up fixed plate, upper cover and hydrogen sensor on the bottom plate, establish on the hydrogen sensor and connect to reach the purpose of short-term test new energy automobile hydrogen concentration.

In order to realize the utility model aims at, the utility model adopts the following technical scheme:

the utility model provides a ECU circuit board process defect LCR testing arrangement, including the frock platform, the mount of setting in frock bench side, positioner and LCR tester, be equipped with positioner on the mount, the frock platform is by the panel, spike and casing constitute, panel lower part face four corners evenly distributed has the spike, panel upper portion face is equipped with the LCR tester, panel bilateral symmetry is equipped with the casing, be equipped with the mount on the casing, the mount comprises bracing piece and connecting rod, bracing piece one end sets up in the casing, the bracing piece other end is equipped with the connecting rod, positioner has the sleeve pipe, the spacing ring constitutes with turning over the board, the cover pipe box is on the connecting rod, the intraductal spacing ring that is equipped with of cover, the sleeve pipe side is equipped with turns over the board.

The panel upper face is equipped with the fixed slot, is equipped with soft slipmat on the fixed slot inner wall, and the ECU mainboard is placed in the fixed slot, and the mount setting is in the fixed slot top, and the LCR tester sets up in fixed slot one side, and one side is equipped with the pivot in the fixed slot, and two bottom surfaces of pivot are connected with two internal faces that the fixed slot corresponds respectively, and the symmetry is equipped with two fixture blocks on two inner walls that fixed slot and pivot are connected, is equipped with positioner in the pivot.

The shell structure of panel both sides is the same, and the casing is fan-shaped structure, and the outer convex surface of casing sets up downwards, and casing one side is connected with the side of panel, and the upper portion face of casing and the upper portion face parallel and level of panel, the upper portion face of casing are equipped with the recess, are equipped with the connecting axle in the recess, and the connecting axle both ends are connected with the inner wall of recess respectively, are equipped with the bracing piece on the connecting axle, and a side evenly distributed that the panel was kept away from to the casing has the perforation, and the perforation runs through the side of casing and the inner wall of recess.

The support rod is of a rectangular structure, one end of the support rod is arranged in the shell, the connecting shaft penetrates through two side faces of one end of the support rod, the support rod swings in the shell by taking the connecting shaft as a circle center, a positioning hole is formed in the side face of the support rod below the connecting shaft and corresponds to the through hole, the positioning hole is communicated with one through hole, a fixing shaft is arranged in the positioning hole and penetrates through the positioning hole and the corresponding through hole.

The connecting rod is cylindrical structure, and the connecting rod setting is connected with the relative side of both sides bracing piece respectively between two bracing pieces, connecting rod and panel parallel arrangement, is equipped with annular spacing groove on the connecting rod, and the connecting rod side is equipped with the sleeve pipe.

The sleeve pipe is hollow cylindrical structure, and the sleeve pipe box is equipped with the spacing ring on the spacing groove on the sheathed tube inner wall, and the spacing ring side is connected with the intraductal wall of sleeve, and the spacing ring setting is turned over the board setting in the spacing inslot, turns over the board setting in the sleeve pipe below, and the one end of turning over the board is connected with sheathed tube side, turns over board other end side and is equipped with the connecting hole, and the joint setting of LCR tester is in the connecting hole.

The utility model discloses a fixing device, including fixing device, backup pad, limiting rod, pivot, two spacing holes, two fixture blocks, positioner comprises backup pad and gag lever post, the backup pad cross-section is fan-shaped structure, the backup pad cambered surface is towards the fixed slot, be equipped with the fixed orifices in the backup pad, the fixed orifices runs through the both ends of backup pad, the pivot sets up in the fixed orifices, the symmetry is equipped with two spacing holes on the both ends face of backup pad, two spacing hole structures are the same, spacing hole sets up by the fixed orifices, two fixture blocks set up respectively in the spacing hole that corresponds, the backup pad top is equipped with two gag lever posts, the gag lever post structure is the same, the lower part face of gag lever post is connected with backup pad cambered surface one side, the ECU mainboard sets up in the backup pad.

The ECU mainboard is at least provided with a GND pin, an SIGNAL RIGHT pin, a VDD pin and a SIGNAL LEFT pin, and one side of the ECU mainboard, which is provided with the GND pin, a SIGNAL RIGHT pin, the VDD pin and a SIGNAL LEFT pin, is lapped on the supporting plate.

One end of the joint is connected with the LCR tester, a SIGNAL OUT (RIGHT) contact, an SIGNAL GND contact, a SIGNAL VDD contact and a SIGNAL OUT (LEFT) contact are arranged on the joint, and the SIGNAL OUT (RIGHT) contact, the SIGNAL GND contact, the SIGNAL VDD contact and the SIGNAL OUT (LEFT) contact of the joint are respectively connected with a SIGNAL RIGHT pin, a GND pin, a VDD pin and SIGNAL LEFT of the ECU mainboard.

The utility model relates to an ECU circuit board process defect LCR testing arrangement, including frock platform, mount, positioner and LCR tester, through setting up mount, positioner and LCR tester on the frock platform, in order to reach the unqualified components and parts on the quick detection ECU circuit board, improve the purpose of yield; the utility model discloses the practicality is strong, uses unusual convenience, not only can accurately detect the electronic component who damages the disappearance on the ECU circuit board, improves the yields, need not detect every components and parts of whole circuit moreover for the product beat promotes, and production efficiency improves.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the panel of the present invention;

FIG. 3 is a schematic view of the connection between the fixing frame and the housing of the present invention;

FIG. 4 is a cross-sectional view of the positioning device of the present invention;

fig. 5 is a side view of the positioning device of the present invention;

fig. 6 is a bottom view of the probe of the present invention;

fig. 7 is a circuit diagram of the ECU main board of the present invention;

in the figure: 1. a panel; 2. a brace; 3. fixing grooves; 4. a housing; 5. a fixed mount; 6. a support plate; 7. an LCR tester; 8. a joint; 9. a rotating shaft; 10. a clamping block; 11. a groove; 12. a connecting shaft; 13. perforating; 14. positioning holes; 15. a fixed shaft; 16. a support bar; 17. a connecting rod; 18. a limiting groove; 19. a sleeve; 20. a limiting ring; 21. turning over a plate; 22. connecting holes; 23. a fixing hole; 24. a limiting hole; 25. a limiting rod; 26. SIGNAL OUT (RIGHT) contact; 27. SIGNAL GND contact points; 28. SIGNAL VDD contact points; 29. SIGNAL OUT (LEFT) contact; 30. an ECU main board; 31. a GND pin; 32. SIGNAL RIGHT pins; 33. a VDD pin; 34. SIGNAL LEFT pins.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

Combine 1~7 ECU circuit board process defect LCR testing arrangement of attached drawing, including the frock platform, the mount 5 of setting in frock bench side, positioner and LCR tester 7, be equipped with positioner on the mount 5, the frock platform is by panel 1, arm-brace 2 and casing 4 constitute, panel 1 lower part face four corners evenly distributed has arm-brace 2, panel 1 upper portion face is equipped with LCR tester 7, panel 1 bilateral symmetry is equipped with casing 4, be equipped with mount 5 on casing 4, mount 5 comprises bracing piece 16 and connecting rod 17, bracing piece 16 one end sets up in casing 4, the bracing piece 16 other end is equipped with connecting rod 17, positioner has sleeve pipe 19, spacing ring 20 and turn over board 21 and constitute, sleeve pipe 19 overlaps on connecting rod 17, be equipped with spacing ring 20 in the sleeve pipe 19, sleeve pipe 19 side is equipped with turns over board 21.

1 upper portion face of panel is equipped with fixed slot 3, is equipped with soft slipmat on the 3 inner walls of fixed slot, and ECU mainboard 30 is placed in fixed slot 3, and mount 5 sets up in fixed slot 3 top, and LCR tester 7 sets up in fixed slot 3 one side, and one side is equipped with pivot 9 in the fixed slot 3, and two bottom surfaces of pivot 9 are connected with two internal faces that the fixed slot 3 corresponds respectively, and the symmetry is equipped with two fixture blocks 10 on the two inner walls that fixed slot 3 is connected with pivot 9, is equipped with positioner in the pivot 9.

The casing 4 structure of 1 both sides of panel is the same, casing 4 is fan-shaped structure, the outer convex surface of casing 4 sets up downwards, 4 one side of casing is connected with the side of panel 1, the upper portion face of casing 4 and the upper portion face parallel and level of panel 1, the upper portion face of casing 4 is equipped with recess 11, be equipped with connecting axle 12 in the recess 11, connecting axle 12 both ends are connected with the inner wall of recess 11 respectively, be equipped with bracing piece 16 on the connecting axle 12, a side evenly distributed that panel 1 was kept away from to casing 4 has perforation 13, perforation 13 runs through the side of casing 4 and the inner wall of recess 11.

The support rod 16 is of a rectangular structure, one end of the support rod 16 is arranged in the shell 4, the connecting shaft 12 penetrates through two side faces of one end of the support rod 16 arranged in the shell 4, the support rod 16 swings in the shell 4 by taking the connecting shaft 12 as a circle center, a positioning hole 14 is formed in the side face of the support rod 16 below the connecting shaft 12, the positioning hole 14 is arranged corresponding to the through hole 13, the positioning hole 14 is communicated with one through hole 13, a fixing shaft 15 is arranged in the positioning hole 14, and the fixing shaft 15 penetrates through the positioning hole 14 and the corresponding through hole 13.

The connecting rod 17 is of a cylindrical structure, the connecting rod 17 is arranged between the two support rods 16, the bottom surfaces of the two ends of the connecting rod 17 are respectively connected with the opposite side surfaces of the two support rods 16, the connecting rod 17 is arranged in parallel with the panel 1, an annular limiting groove 18 is formed in the connecting rod 17, and a sleeve 19 is arranged on the side surface of the connecting rod 17.

The sleeve 19 is of a hollow cylindrical structure, the sleeve 19 is sleeved on the limiting groove 18, the inner wall of the sleeve 19 is provided with a limiting ring 20, the side face of the limiting ring 20 is connected with the inner wall of the sleeve 19, the limiting ring 20 is arranged in the limiting groove 18, the turning plate 21 is arranged below the sleeve 19, one end of the turning plate 21 is connected with the side face of the sleeve 19, the other end side face of the turning plate 21 is provided with a connecting hole 22, and the joint 8 of the LCR tester 7 is arranged in the connecting hole 22.

The positioning device is composed of a supporting plate 6 and a limiting rod 25, the cross section of the supporting plate 6 is of a fan-shaped structure, the cambered surface of the supporting plate 6 faces towards a fixing groove 3, a fixing hole 23 is formed in the supporting plate 6, the fixing hole 23 penetrates through two ends of the supporting plate 6, a rotating shaft 9 is arranged in the fixing hole 23, two limiting holes 24 are symmetrically formed in two end faces of the supporting plate 6, the two limiting holes 24 are identical in structure, the limiting holes 24 are formed in the side of the fixing hole 23, the two clamping blocks 10 are respectively arranged in the corresponding limiting holes 24, two limiting rods 25 are arranged above the supporting plate 6, the limiting rods 25 are identical in structure, the lower portion face of each limiting rod 25 is connected with one side of the cambered surface of the supporting plate 6, and the ECU mainboard 30 is arranged on the supporting plate 6.

The ECU mainboard 30 is at least provided with a GND pin 31, an SIGNAL RIGHT pin 32, a VDD pin 33 and a SIGNAL LEFT pin 34, and one side of the ECU mainboard 30, which is provided with the GND pin 31, the SIGNAL RIGHT pin 32, the VDD pin 33 and the SIGNAL LEFT pin 34, is lapped on the supporting plate 6.

One end of the connector 8 is connected with the LCR tester 7, a SIGNAL OUT (RIGHT) contact 26, a SIGNAL GND contact 27, a SIGNAL VDD contact 28 and a SIGNAL OUT (LEFT) contact 29 are arranged on the connector 8, and the SIGNAL OUT (RIGHT) contact 26, a SIGNAL GND contact 27, a SIGNAL VDD contact 28 and the SIGNAL OUT (LEFT) contact 29 of the connector 8 are respectively connected with a SIGNAL RIGHT pin 32, a GND pin 31, a VDD pin 33 and a SIGNAL LEFT pin 34 of the ECU main board 30.

The embodiment of the LCR testing device for the process defects of the ECU circuit board, when in use, the LCR tester 7 is firstly opened, then the joint 8 is installed in the connecting hole 22 of the turning plate 21, then the fixing frame 5 is swung, so that the height of the positioning device on the fixing frame 5 is matched with the height of the ECU mainboard 30 in the fixing groove 3, after adjustment is finished, the fixing shaft 15 is installed in the positioning hole 14, the fixing frame 5 is fixed on the panel 1, then the ECU mainboard 30 is placed in the fixing groove 3, one side of the detection pin of the ECU mainboard 30 is lapped on the supporting plate 6, the limiting rod 25 is lifted upwards after the detection pin, one side of the pin of the ECU mainboard 30 on the supporting plate 6 is lifted to correspond to the joint 8, the anti-skid pad in the fixing groove 3 prevents the ECU mainboard 30 from sliding randomly, the two limiting rods 25 are used for placing the ECU mainboard 30 to shake left and right, the turning plate 21 is moved downwards, so that the joint 8 is connected with the pin of the ECU mainboard 30, the SIGNAL OUT (RIGHT) contact 26, the SIGNAL GND contact 27, the SIGNAL VDD contact 28 and the SIGNAL OUT (LEFT) contact 29 of the connector 8 are respectively connected with the SIGNAL RIGHT pin 32, the GND pin 31, the VDD pin 33 and the SIGNAL LEFT pin 34 of the ECU mainboard 30, the LCR tester 7 detection circuit adopts a black box principle, each component of the whole circuit does not need to be detected, only parameters of different pins of the whole ECU mainboard 30 are tested in an interface part and compared with standard components, the purpose of screening defective products is achieved, the detection process is not only accurate and convenient, the circuit is not damaged, the beat of a product is improved, and the efficiency is high.

The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.

Claims

1. The utility model provides an ECU circuit board process defect LCR testing arrangement, includes the frock platform, sets up mount (5), positioner and LCR tester (7) in frock bench side, is equipped with positioner on mount (5), and the frock platform comprises panel (1), spike (2) and casing (4), and panel (1) lower part face four corners evenly distributed has spike (2), and panel (1) upper portion face is equipped with LCR tester (7), and characterized by lies in: panel (1) bilateral symmetry is equipped with casing (4), be equipped with on casing (4) mount (5), mount (5) comprise bracing piece (16) and connecting rod (17), bracing piece (16) one end sets up in casing (4), the bracing piece (16) other end is equipped with connecting rod (17), positioner has sleeve pipe (19), spacing ring (20) and turns over board (21) and constitute, sleeve pipe (19) cover is on connecting rod (17), be equipped with spacing ring (20) in sleeve pipe (19), sleeve pipe (19) side is equipped with turns over board (21).

2. An ECU board process defect LCR testing device according to claim 1, wherein: panel (1) upper portion face is equipped with fixed slot (3), be equipped with soft slipmat on fixed slot (3) inner wall, place in fixed slot (3) ECU mainboard (30), mount (5) set up in fixed slot (3) top, LCR tester (7) set up in fixed slot (3) one side, one side is equipped with pivot (9) in fixed slot (3), two internal faces that pivot (9) two bottom surfaces correspond with fixed slot (3) respectively are connected, the symmetry is equipped with two fixture blocks (10) on two inner walls that fixed slot (3) and pivot (9) are connected, be equipped with positioner on pivot (9).

3. An ECU board process defect LCR testing device according to claim 2, wherein: the utility model discloses a panel, including panel (1), casing (4) the structure of both sides is the same, casing (4) are fan-shaped structure, the outer convex surface of casing (4) sets up downwards, casing (4) one side is connected with the side of panel (1), the upper portion face of casing (4) and the upper portion face parallel and level of panel (1), the upper portion face of casing (4) is equipped with recess (11), be equipped with connecting axle (12) in recess (11), connecting axle (12) both ends are connected with the inner wall of recess (11) respectively, be equipped with bracing piece (16) on connecting axle (12), a side evenly distributed that panel (1) was kept away from in casing (4) has perforation (13), perforation (13) run through the side of casing (4) and the inner wall of recess (11).

4. An ECU board process defect LCR testing device according to claim 3, wherein: the support rod (16) is of a rectangular structure, one end of the support rod (16) is arranged in the shell (4), the connecting shaft (12) penetrates through two side faces of one end of the support rod (16) arranged in the shell (4), the support rod (16) swings in the shell (4) by taking the connecting shaft (12) as a circle center, a positioning hole (14) is formed in the side face of the support rod (16) below the connecting shaft (12), the positioning hole (14) and the through hole (13) are arranged correspondingly, the positioning hole (14) is communicated with one through hole (13), a fixing shaft (15) is arranged in the positioning hole (14), and the fixing shaft (15) penetrates through the positioning hole (14) and the corresponding through hole (13).

5. An ECU board process defect LCR testing device according to claim 4, wherein: connecting rod (17) are cylindrical structure, and connecting rod (17) set up between two bracing pieces (16), and connecting rod (17) both ends bottom surface is connected with the relative side of both sides bracing piece (16) respectively, and connecting rod (17) and panel (1) parallel arrangement are equipped with annular spacing groove (18) on connecting rod (17), and connecting rod (17) side is equipped with sleeve pipe (19).

6. An ECU board process defect LCR testing device according to claim 5, wherein: sleeve pipe (19) are hollow cylindrical structure, sleeve pipe (19) cover is on spacing groove (18), be equipped with spacing ring (20) on the inner wall of sleeve pipe (19), spacing ring (20) side is connected with sleeve pipe (19) inner wall, spacing ring (20) set up in spacing groove (18), turn over board (21) and set up in sleeve pipe (19) below, the one end that turns over board (21) is connected with the side of sleeve pipe (19), turn over board (21) other end side and be equipped with connecting hole (22), joint (8) of LCR tester (7) set up in connecting hole (22).

7. An ECU board process defect LCR testing device according to claim 2, wherein: the positioning device is composed of a supporting plate (6) and limiting rods (25), the cross section of the supporting plate (6) is of a fan-shaped structure, the arc surface of the supporting plate (6) faces towards the fixing groove (3), fixing holes (23) are formed in the supporting plate (6), the fixing holes (23) penetrate through the two ends of the supporting plate (6), a rotating shaft (9) is arranged in the fixing holes (23), two limiting holes (24) are symmetrically formed in the two end faces of the supporting plate (6), the two limiting holes (24) are identical in structure, the limiting holes (24) are formed in the sides of the fixing holes (23), two clamping blocks (10) are respectively arranged in the corresponding limiting holes (24), two limiting rods (25) are arranged above the supporting plate (6), the structures of the limiting rods (25) are identical, the lower portion face of each limiting rod (25) is connected with one side of the arc surface of the supporting plate (6), and an ECU mainboard (30) is arranged on the supporting plate (6).

8. An ECU board process defect LCR testing device according to claim 2, wherein: the ECU mainboard (30) is at least provided with a GND pin (31), an SIGNAL RIGHT pin (32), a VDD pin (33) and a SIGNAL LEFT pin (34), and one side of the ECU mainboard (30) provided with the GND pin (31), the SIGNAL RIGHT pin (32), the VDD pin (33) and the SIGNAL LEFT pin (34) is lapped on the support plate (6).

9. An ECU board process defect LCR testing device according to claim 6, wherein: one end of the joint (8) is connected with the LCR tester (7), a SIGNAL OUT (RIGHT) contact (26), an SIGNAL GND contact (27), a SIGNAL VDD contact (28) and a SIGNAL OUT (LEFT) contact (29) are arranged on the joint (8), and the SIGNAL OUT (RIGHT) contact (26), the SIGNAL GND contact (27), the SIGNAL VDD contact (28) and the SIGNAL OUT (LEFT) contact (29) of the joint (8) are respectively connected with a SIGNAL RIGHT pin (32), a GND pin (31), a VDD pin (33) and a SIGNAL LEFT pin (34) of the ECU main board (30).