CN112114210A

CN112114210A - Product electromagnetic compatibility test system

Info

Publication number: CN112114210A
Application number: CN202010808683.9A
Authority: CN
Inventors: 张剑; 王海荣; 陈娇艳
Original assignee: Continental Electronic And Electrical Testing Service Shenzhen Co ltd
Current assignee: Continental Electronic And Electrical Testing Service Shenzhen Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2020-12-22
Anticipated expiration: 2040-08-12
Also published as: CN112114210B

Abstract

The utility model relates to a product electromagnetic compatibility test system relates to the field of electromagnetic compatibility test, including the shielding darkroom with set up in testboard in the shielding darkroom still including set up in antenna device in the shielding darkroom, antenna device include the base, set up pole setting, the slip cap on the base and locate the pole setting outside lift seat, set up in pole setting department just is used for driving the lift subassembly that lift seat goes up and down, connects in the hinge mechanisms of lift seat, with the connection member that hinge mechanisms is connected and connect the antenna main part on connecting the member. This application can adjust the height of antenna main part to can adapt the detection of different kinds of products.

Description

Product electromagnetic compatibility test system

Technical Field

The application relates to the field of electromagnetic compatibility testing, in particular to a product electromagnetic compatibility testing system.

Background

Electromagnetic compatibility (EMC) refers to the ability of a device or system to perform satisfactorily in its electromagnetic environment without producing intolerable electromagnetic disturbance to any device in its environment. EMC includes two requirements: on one hand, the electromagnetic disturbance generated to the environment in the normal operation process of the equipment cannot exceed a certain limit value; on the other hand, the device has a certain degree of immunity to electromagnetic disturbance existing in the environment, namely electromagnetic sensitivity.

The existing electromagnetic compatibility testing system comprises a shielding darkroom, a testing device and a testing platform, wherein one part of the testing device and the testing platform are arranged in the shielding darkroom, the testing device comprises a support arranged in the shielding darkroom, an antenna tower arranged on the support and a receiver arranged outside the shielding darkroom, the receiver is used for collecting and analyzing received radiation signals, and a signal transmission and receiving relation is formed between the antenna tower and the receiver.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because need test different kinds of products, need adjust the height of antenna tower, and current antenna tower highly fixed, its practicality is lower.

Disclosure of Invention

In order to enable the antenna main body to be suitable for different types of products to be detected, the application provides a product electromagnetic compatibility testing system.

The application provides a product electromagnetic compatibility test system, adopts following technical scheme:

the utility model provides a product electromagnetic compatibility test system, including the shielding darkroom with set up in testboard in the shielding darkroom, still including set up in antenna device in the shielding darkroom, antenna device include the base, set up pole setting, the slip cap on the base and locate the pole setting outside lift seat, set up in pole setting department just is used for driving the lift subassembly that the lift seat goes up and down, connects in the hinge mechanisms of lift seat, is connected the member and connects the antenna main part on connecting the member with being connected of hinge mechanisms.

Through adopting above-mentioned technical scheme, the product to be tested is placed on the testboard, the radiation that the antenna main part sent the product to be tested detects, thereby the electromagnetism of the product to be tested harassment nature, when testing different types of product, through the height of the regulation lift seat that lifting unit corresponds, thereby adjust the height of antenna main part, with the detection of adaptation different types of product, the shielding darkroom can be isolated to external radiation, thereby provide comparatively stable environment to antenna device and product to be tested, reduce the influence of external radiation to the test result.

Preferably, the pole setting is vertical setting, lifting unit including set up in servo motor, key-type on the base connect in the driving gear of servo motor output, rotate connect in the driven gear at pole setting top and be used for connecting driving gear and driven gear's internal tooth belt, the driving gear is located the pole setting bottom, internal tooth belt respectively with driving gear and driven gear meshing, carry out the transmission through internal tooth belt between driving gear and the driven gear, the lift seat is located internal tooth belt inboard, the both sides that the lift seat is relative are provided with sliding seat and fixing base respectively, internal tooth belt slides and wears to locate the sliding seat, internal tooth belt is fixed wears to locate the fixing base.

By adopting the technical scheme, the servo motor is started, the output end of the servo motor drives the driving gear to rotate, so that the driving gear drives the internal tooth belt to move to drive the fixing seat to move, the lifting seat is driven to move, and the internal tooth belt and the sliding seat can slide relatively when the lifting seat moves; the height of lift seat can be adjusted to lifting unit, the height of the regulation antenna main part that can correspond makes the antenna main part can test the product of co-altitude not, perhaps can test the position on the product co-altitude not to improve its practicality.

Preferably, the sliding seat including vertical set up in the inner fixed plate in the lift seat outside, vertical set up in two sets of well connecting plates, vertical set up that lift seat one side was kept away from to the inner fixed plate the outer fixed plate and the vertical setting that the inner fixed plate tip was kept away from to well connecting plate are two sets of outer joint plates between the outer fixed plate, the side of well connecting plate is perpendicular with the side of inner fixed plate, two the side of outer joint plate is perpendicular with the side of inner fixed plate, two horizontal rotation has internal gear and two sets of pinch rollers between the outer joint plate, the internal gear is located the internal toothed belt inboardly, the pinch roller is located the internal toothed belt outside, two the pinch roller is located the top and the below of internal gear respectively, internal gear and internal toothed belt meshing, pinch roller.

Through adopting the above-mentioned technical scheme, when the lift seat goes up and down, the internal tooth belt can drive internal gear and two sets of pinch rollers and rotate, and make the internal tooth belt respectively with produce relative motion between internal gear and the pinch roller, through setting up the internal gear, can reduce the friction between internal tooth belt and the sliding seat, can also improve the connection stability of internal tooth belt and lift seat simultaneously, make the internal tooth belt can be stable go up and down to the lift seat, the setting of pinch roller can compress tightly the internal tooth belt of internal tooth wheel department, make the internal gear can more stable with the meshing of internal tooth belt, further improve the connection stability of internal tooth belt and sliding seat.

Preferably, the hinge mechanisms comprise the same group of inner hinge seats connected with the end parts of the inner fixing plate and the outer fixing plate, the outer hinge seats hinged with the inner hinge seats and adjusting assemblies used for adjusting the angles between the inner hinge seats and the outer hinge seats, the outer hinge seats and the inner hinge seats are hinged through hinge rods, and the connecting rod pieces are connected to the positions, far away from the inner hinge seats, of the outer hinge seats.

Through adopting above-mentioned technical scheme, adjust through the angle of adjusting part between external articulated seat and the interior articulated seat to the gradient of adjusting connecting rod piece, thereby adjust the angle of pitch of antenna main part, through the angle of pitch of adjusting the antenna main part, improve the detection range of antenna main part, further improve its practicality.

Preferably, waist shape hole has been seted up to interior articulated seat level, the length direction in waist shape hole is parallel with the length direction of interior articulated seat, adjusting part include sliding connection in slider, level in the interior articulated seat set up in slider opposite ends and slide and wear to locate two downthehole slide bar, the screw thread of waist shape wear to locate two the same group lead screw of well connecting plate and set up the connecting rod between slide bar and the outer articulated seat, the sliding direction of slider is parallel with the length direction in waist shape hole, the length direction of lead screw is parallel with the length direction in waist shape hole, lead screw one end is worn to locate in the slider, and with the slider rotates and is connected, the connecting rod both ends are articulated with slide bar and outer articulated seat respectively, the length direction of connecting rod is perpendicular with the length direction of articulated seat all the time.

By adopting the technical scheme, the screw rod is correspondingly rotated, and the screw rod can push the sliding block to move along the length direction of the inner hinged seat, so that the sliding rod can push the connecting rod to move to adjust the inclination angle of the connecting rod, and further, the angle of the outer hinged seat is adjusted; when the pitch angle of the antenna main body needs to be increased, the corresponding rotary screw pushes the slider to be close to the middle connecting plate, so that the pitch angle of the antenna main body is increased, and when the pitch angle of the antenna main body needs to be decreased, the corresponding rotary screw pushes the slider to be away from the middle connecting plate, so that the pitch angle of the antenna main body is decreased.

Preferably, be provided with firm subassembly between lift seat and the outer articulated seat, firm subassembly including articulate in the interior articulated strip of lift seat one side, articulate in outer articulated seat and with the outer articulated strip that interior articulated strip corresponds and be used for fixed interior articulated strip and the adjusting bolt and the adjusting nut of outer articulated strip, outer strip-shaped hole has been seted up to outer articulated strip, the length direction in outer strip-shaped hole is parallel with the length direction of outer articulated strip, interior strip-shaped hole that corresponds with outer strip-shaped hole is seted up to interior articulated strip, inner strip-shaped hole and outer strip-shaped hole are worn to locate by adjusting bolt slip, adjusting nut and adjusting bolt threaded connection.

Through adopting above-mentioned technical scheme, when adjusting the angle of articulated seat outward, can relative slip and relative rotation between interior articulated strip and the outer articulated strip to make adjusting bolt can be outside bar hole and the downthehole slip of interior bar, after the angular adjustment of articulated seat finishes outward, screw up adjusting nut, make adjusting bolt and adjusting nut fix articulated strip outward and interior articulated strip, can further fix articulated seat outward.

Preferably, connect the member include the level set up in outer articulated seat is kept away from the interior connection frame of interior articulated seat and is worn to locate by sliding outer connection frame in the interior connection frame, the interior connection frame is stretched out to the one end that interior connection frame was kept away from to outer connection frame, the antenna main part sets up in outer connection frame, interior connection frame is the cavity setting, the one end that outer articulated seat was kept away from to interior connection frame is the opening setting, be provided with the connecting piece between interior connection frame and the outer connection frame, fix through the connecting piece between interior connection frame and the outer connection frame.

Through adopting above-mentioned technical scheme, promote outer joint frame, outer joint frame can slide including the joint frame, then fixes outer joint frame through the connecting piece to can adjust the antenna main part and await measuring the distance between the product, improve the detection range of antenna main part, further improve its practicality.

Preferably, the top of the inner connecting frame is vertically provided with a positioning hole, the positioning hole is communicated with the inside of the inner connecting frame, the top of the outer connecting frame is vertically provided with a plurality of through holes, the through holes are arranged in the length direction of the outer connecting frame, the connecting piece is an inserting rod, and the inserting rod is inserted into the positioning hole and the through hole at the corresponding position.

Through adopting above-mentioned technical scheme, the outer joint frame slides, makes outer joint frame slide in the inner joint frame, when needs are fixed to outer joint frame, aligns the through-hole of locating hole and corresponding position, then inserts the inserted bar in the through-hole of locating hole and corresponding position to outer joint frame is fixed.

Preferably, the lifting seat horizontally rotates and is provided with a plurality of pulleys, the outer sides of the pulleys are attached to the outer side of the vertical rod, and the pulleys are in rolling connection with the vertical rod.

Through adopting above-mentioned technical scheme, when the lift seat goes up and down, the pulley can roll along the vertical direction in the pole setting outside, can reduce the friction between lift seat and the pole setting.

Preferably, the bottom position in the pole setting outside is provided with the reinforcement seat, the reinforcement seat is located articulated seat below in, reinforcement seat bottom is connected with the base top.

Through adopting above-mentioned technical scheme, through set up the reinforcement seat between pole setting and base, can improve the connection stability between pole setting and the base.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the antenna device comprises an antenna body, a test table, a lifting seat, a shielding darkroom, a lifting seat, a testing platform and a testing platform, wherein the testing platform is arranged on the testing platform;

2. the angle between the outer hinge seat and the inner hinge seat is adjusted through the adjusting assembly to adjust the inclination of the connecting rod piece, so that the pitch angle of the antenna main body is adjusted, the detection range of the antenna main body is improved through adjusting the pitch angle of the antenna main body, and the practicability of the antenna main body is further improved;

3. promote outer joint frame, outer joint frame can slide in the inner joint frame, then fixes outer joint frame through the connecting piece to can adjust the antenna main part and await measuring the distance between the product, improve the detection range of antenna main part, further improve its practicality.

Drawings

FIG. 1 is a schematic diagram of a product electromagnetic compatibility testing system;

FIG. 2 is a schematic diagram of an antenna assembly of a product electromagnetic compatibility testing system;

FIG. 3 is a schematic view of a lift shoe and a slide shoe of a product electromagnetic compatibility testing system;

FIG. 4 is a schematic diagram of a hinge mechanism of a product electromagnetic compatibility testing system.

Description of reference numerals: 1. shielding a darkroom; 2. a test bench; 3. a base; 4. erecting a rod; 5. a lifting seat; 6. connecting rod pieces; 7. an antenna main body; 8. a connecting seat; 9. a servo motor; 10. a driving gear; 11. a driven gear; 12. an internally toothed belt; 13. a fixed seat; 14. a pulley; 15. an inner fixing plate; 16. a middle connecting plate; 17. an outer fixing plate; 18. an outer connecting plate; 19. an internal gear; 20. a pinch roller; 21. an inner hinged seat; 22. an outer hinged seat; 23. a hinged lever; 24. a waist-shaped hole; 25. a slider; 26. a slide bar; 27. a screw rod; 28. a connecting rod; 29. an inner hinge strip; 30. an outer hinge strip; 31. an inner strip-shaped hole; 32. an outer strip-shaped hole; 33. adjusting the bolt; 34. adjusting the nut; 35. an inner connection frame; 36. an outer connecting frame; 37. positioning holes; 38. a through hole; 39. inserting a rod; 40. and (7) reinforcing the base.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a product electromagnetic compatibility testing system. Referring to fig. 1, the test platform comprises a shielding darkroom 1, an antenna device and a test platform 2, wherein the antenna device and the test platform 2 are both arranged in the shielding darkroom 1.

Referring to fig. 1 and 2, the antenna device includes a base 3, a vertical rod 4, a lifting seat 5 and a lifting assembly, the base 3 is horizontally disposed, the vertical rod 4 is vertically fixed on the base 3, the lifting assembly is connected between the base 3 and the vertical rod 4, the lifting seat 5 is slidably sleeved on the outer side of the vertical rod 4, and the lifting assembly can lift the lifting seat 5. The antenna device further comprises a hinge mechanism, a connecting rod piece 6 and an antenna main body 7, the hinge mechanism is connected with the lifting seat 5, the connecting rod piece 6 is connected to the position, far away from the lifting seat 5, of the hinge mechanism, the antenna main body 7 is connected to the position, far away from the hinge mechanism, of the connecting rod piece 6, and the antenna main body 7 faces the test board 2.

The shielding darkroom 1 is externally provided with a receiver (not shown) which is used for collecting and analyzing a received radiation signal, and the antenna body 7 and the receiver have a signal transmission and reception relationship. The product to be tested is placed on the test board 2, the antenna main body 7 detects radiation emitted by the product to be tested and transmits radiation signals to the receiver, and the receiver collects and analyzes the received radiation signals.

Referring to fig. 2, the middle part rigidity of base 3 top surface has connecting seat 8, pole setting 4 is vertical to be fixed in on connecting seat 8, lifting unit includes servo motor 9, driving gear 10, driven gear 11 and internal tooth belt 12, servo motor 9 level is fixed in the position that 3 top surfaces of base correspond connecting seat 8, driving gear 10 key-type connection is in servo motor 9 output, and driving gear 10 is located connecting seat 8, 11 horizontal rotations of driven gear are in pole setting 4 tops, the shaft direction of driving gear 10 is parallel with driven gear 11's shaft direction, internal tooth belt 12 is connected between driving gear 10 and driven gear 11, internal tooth belt 12 respectively with driving gear 10 and driven gear 11 meshing, and driving gear 10 and driven gear 11 carry out the transmission through internal tooth belt 12. The cross section of pole setting 4 is square, and the lift seat 5 slip cap is located the pole setting 4 outsides, and lift seat 5 is located 12 inboards of internal tooth belt, and the relative both sides of lift seat 5 are fixed with a set of sliding seat and two sets of fixing base 13 respectively, and the corresponding position of internal tooth belt 12 slides and wears to locate in the sliding seat, and the corresponding position of internal tooth belt 12 is fixed and wears to locate in two sets of fixing base 13.

The servo motor 9 is started, the output end of the servo motor 9 drives the driving gear 10 to rotate, so that the driving gear 10 drives the internal tooth belt 12 to move to drive the fixed seat 13 to move, and the lifting seat 5 can move up and down along with the movement of the fixed seat 13; in addition, when the lifting seat 5 moves up and down, the internal tooth belt 12 and the sliding seat can slide relatively. When a product with a large volume or a higher part of the product needs to be detected, the height of the lifting seat 5 is adjusted through the corresponding lifting assembly, so that the height of the antenna main body 7 is matched with the height of the product to be detected.

In order to reduce the friction between the lifting seat 5 and the upright 4, a plurality of pulleys 14 are horizontally rotated at the position of the lifting seat 5 corresponding to the outer side of the upright 4, the peripheral surfaces of the pulleys 14 are attached to the corresponding position of the outer side of the upright 4, and when the lifting seat 5 is lifted, the pulleys 14 can roll along the length direction of the upright 4.

Referring to fig. 3, the sliding seat includes an inner fixing plate 15, two sets of middle connecting plates 16, two sets of outer fixing plates 17 and two sets of outer connecting plates 18, the inner fixing plate 15 is vertically fixed at the middle position of one side of the lifting seat 5 far away from the fixing seat 13, and the opposite surfaces of the inner fixing plate 15 and the lifting seat 5 are mutually attached; the two groups of middle connecting plates 16 are vertically fixed on one side of the inner fixing plate 15, which is far away from the lifting seat 5, the side surfaces of the middle connecting plates 16 are vertical to the side surfaces of the inner fixing plate 15, and the two groups of middle connecting plates 16 are respectively positioned at the positions, close to the opposite two end parts, of the side surfaces of the inner fixing plate 15; the two groups of outer fixing plates 17 are respectively and vertically fixed at the ends of the two groups of middle connecting plates 16 far away from the inner fixing plate 15, and the side surfaces of the outer fixing plates 17 are parallel to the side surfaces of the inner fixing plate 15; the two groups of outer connecting plates 18 are respectively vertically fixed at the opposite ends of the two groups of outer fixing plates 17, and the side surfaces of the outer connecting plates 18 are parallel to the side surfaces of the middle connecting plates 16. A group of internal gears 19 and two groups of pressure wheels 20 are horizontally rotated between the two groups of external connecting plates 18, the internal gears 19 are positioned between the two groups of pressure wheels 20, one group of pressure wheels 20 is positioned above the internal gears 19, the other group of pressure wheels 20 is positioned below the internal gears 19, the internal gears 19 are positioned on the inner side of the internal toothed belt 12, the pressure wheels 20 are positioned on the outer side of the internal toothed belt 12, and the wheel axle direction of the internal gears 19 is parallel to the wheel axle direction of the pressure; a gap is reserved between the internal gear 19 and the pressing wheel 20, the gap is used for the internal tooth belt 12 to pass through, the internal gear 19 is meshed with the inner side of the internal tooth belt 12, the peripheral surface of the pressing wheel 20 is in rolling connection with the corresponding position on the outer side of the internal tooth belt 12, and the pressing wheel 20 can tightly abut against the outer side of the internal tooth belt 12 with certain force.

When the lifting seat 5 moves, the internal gear 19 can be meshed with different positions on the inner side of the internal gear belt 12, and when the internal gear belt 12 moves, the internal gear belt 12 can drive the internal gear 19 and the two groups of pressing wheels 20 to rotate, so that the internal gear belt 12 can respectively move relative to the internal gear 19 and the pressing wheels 20; through setting up internal gear 19, can reduce the friction between internal tooth belt 12 and the sliding seat, in addition, pinch roller 20 can compress tightly the part internal tooth belt 12 of being connected with internal gear 19, makes the inseparable and internal tooth belt 12 meshing of internal gear 19, makes lift seat 5 atress even.

Referring to fig. 4, hinge mechanism includes interior articulated seat 21, outer articulated seat 22 and adjusting part, interior articulated seat 21 is fixed in the sliding seat outside, outer articulated seat 22 articulates in the position that interior articulated seat 21 kept away from the sliding seat, it is articulated through hinge rod 23 between outer articulated seat 22 and the interior articulated seat 21, hinge rod 23 is the level setting, adjusting part sets up between interior articulated seat 21 and outer articulated seat 22, adjusting part can adjust the angle between interior articulated seat 21 and the outer articulated seat 22, and connecting rod piece 6 (refer to fig. 2) is fixed in the position that interior articulated seat 21 was kept away from to outer articulated seat 22.

The inner hinged seats 21 are horizontally arranged long strip-shaped objects, the inner hinged seats 21 are respectively provided with two sections, one section is horizontally fixed at a corresponding position of the end part of the inner fixed plate 15, the other section is horizontally fixed at a corresponding position of the end part of the outer fixed plate 17, the hinged rod 23 is fixed between the two sections of the inner hinged seats 21, and a sliding space is reserved between the two sections of the inner hinged seats 21; waist-shaped holes 24 are horizontally formed in the side faces of the two sections of the inner hinge seats 21, the waist-shaped holes 24 penetrate through the two opposite side faces of the inner hinge seats 21, and the length direction of the waist-shaped holes 24 is parallel to the length direction of the inner hinge seats 21.

The adjusting assembly comprises a sliding block 25, two groups of sliding rods 26 and a screw rod 27, the sliding block 25 is connected between the two sections of inner hinge seats 21 in a sliding manner, two opposite side surfaces of the sliding block 25 are respectively attached to opposite surfaces of the two sections of inner hinge seats 21, the two groups of sliding rods 26 are respectively and horizontally fixed on two opposite side surfaces of the sliding block 25, the diameter of each sliding rod 26 is smaller than the distance between two opposite side walls of the corresponding waist-shaped hole 24, the sliding rods 26 are slidably arranged in the corresponding waist-shaped holes 24 of the inner hinge seats 21 in a penetrating manner, and the length direction of each sliding rod 26; the lead screw 27 is horizontally arranged at the middle connecting plate 16, the lead screw 27 penetrates through two opposite sides of the middle connecting plates 16, the lead screw 27 is in threaded connection with the middle connecting plates 16, and one end, close to the inner hinge seat 21, of the lead screw 27 penetrates through the sliding block 25 and is rotatably connected with the sliding block 25. The screw rod 27 is rotated, and the screw rod 27 can drive the slide block 25 to slide in the inner hinge seat 21, and the slide block 25 moves along the length direction of the inner hinge seat 21. The adjusting assembly further comprises two groups of connecting rods 28, the connecting rods 28 are arranged between the inner hinge seat 21 and the outer hinge seat 22, the two groups of connecting rods 28 are respectively hinged at the two groups of sliding rods 26, one end of each connecting rod 28, far away from the corresponding sliding rod 26, is hinged with the corresponding position of the outer hinge seat 22, and the hinged position between the connecting rod 28 and the outer hinge seat 22 is located above the hinge rod 23. After the position of the corresponding adjusting slider 25, the sliding rod 26 can push the connecting rod 28 to move, so as to adjust the inclination degree of the connecting rod 28, and adjust the angle between the outer hinge seat 22 and the inner hinge seat 21, so as to adjust the pitch angle of the antenna main body 7, thereby improving the detection range of the antenna main body 7 and further improving the practicability thereof.

When the pitch angle of the antenna main body 7 needs to be reduced, the screw rod 27 is correspondingly rotated, so that the screw rod 27 pushes the sliding block 25 and the sliding rod 26 to be close to the outer hinge seat 22, the inclination angle of the connecting rod 28 is reduced, and the position of the outer hinge seat 22 far away from the inner hinge seat 21 is lowered, so that the pitch angle of the antenna main body 7 is reduced; when the pitch angle of the antenna main body 7 needs to be increased, the screw rod 27 is correspondingly rotated, so that the screw rod 27 pushes the sliding block 25 and the sliding rod 26 to be away from the outer hinge seat 22, the inclination angle of the connecting rod 28 is improved, and the position of the outer hinge seat 22 away from the inner hinge seat 21 is lifted, so that the pitch angle of the antenna main body 7 is increased; further, while the link 28 moves, the length direction of the link 28 is always perpendicular to the length direction of the hinge lever 23.

A stabilizing component is arranged between the lifting seat 5 and the outer hinge seat 22 and comprises an inner hinge strip 29 and an outer hinge strip 30, the inner hinge strip 29 is hinged at the position of the lifting seat 5 close to the inner hinge seat 21, the length direction of a hinge shaft of the inner hinge strip 29 is parallel to the length direction of the hinge rod 23, the outer hinge strip 30 is hinged at the top of the outer hinge seat 22, the length direction of a hinge shaft of the outer hinge strip 30 is parallel to the length direction of the hinge rod 23, and the hinged position of the outer hinge strip 30 and the outer hinge seat 22 is positioned above the hinge rod 23; an inner strip-shaped hole 31 is horizontally formed in the side face of the inner hinge strip 29, the inner strip-shaped hole 31 penetrates through two opposite sides of the inner hinge strip 29, the length direction of the inner strip-shaped hole 31 is parallel to the length direction of the inner hinge strip 29, an outer strip-shaped hole 32 corresponding to the inner strip-shaped hole 31 is formed in the side face of the outer hinge strip 30, the outer strip-shaped hole 32 penetrates through two opposite sides of the outer hinge strip 30, and the length direction of the outer strip-shaped hole 32 is parallel to the length direction of the outer hinge strip 30; the stabilizing assembly further comprises an adjusting bolt 33 and an adjusting nut 34, the adjusting bolt 33 is slidably arranged in the outer strip-shaped hole 32 and the inner strip-shaped hole 31 in a penetrating mode, and the adjusting nut 34 is connected to the outer side of the adjusting bolt 33 in a threaded mode.

When adjusting the angle between outer articulated seat 22 and the interior articulated seat 21, the angle between interior articulated strip 29 and the outer articulated strip 30 changes that corresponds for adjusting bolt 33 can slide to the different positions in outer bar hole 32 and interior bar hole 31, adjust the back when adjusting outer articulated seat 22, screw up adjusting nut 34, make adjusting nut 34 and adjusting bolt 33 press from both sides tight outer articulated strip 30 and interior articulated strip 29, thereby fix inner articulated strip 29 and outer articulated strip 30, and then improve the connection stability of outer articulated seat 22.

Referring to fig. 2, the connection rod member 6 includes an inner connection frame 35 and an outer connection frame 36, the inner connection frame 35 is fixed at a position of the outer hinge seat 22 far away from the inner hinge seat 21, the inner connection frame 35 is a hollow strip-shaped frame body, a vertical cross section of the inner connection frame 35 is square, an end portion of the inner connection frame 35 far away from the outer hinge seat 22 is provided with an opening, the outer connection frame 36 is slidably disposed in the inner connection frame 35, an outer side of the outer connection frame 36 is attached to an inner side of the inner connection frame 35, one end of the outer connection frame 36 far away from the inner connection frame 35 extends out of the inner connection frame 35, and the antenna main body 7 is fixed at an end portion of the outer connection frame 36 far away; a connecting member is provided between the inner connecting frame 35 and the outer connecting frame 36, and the connecting member can fix the inner connecting frame 35 and the outer connecting frame 36. The top surface of the inner connecting frame 35 is vertically provided with a positioning hole 37, the positioning hole 37 is communicated with the inside of the inner connecting frame 35, the top surface of the outer connecting frame 36 is vertically provided with a plurality of through holes 38, the through holes 38 are linearly arranged in the length direction of the outer connecting frame 36, and the length direction of the positioning hole 37 and the length directions of all the through holes 38 are in the same straight line; in this embodiment, the connecting member is a plug-in rod 39, and the plug-in rod 39 is plugged into the positioning hole 37 and any one of the through holes 38.

Promote outer joint frame 36, make outer joint frame 36 slide in interior joint frame 35, then fix outer joint frame 36 through inserted bar 39, can adjust antenna main part 7 and the horizontal distance between the product that awaits measuring to improve antenna main part 7's detection range, further improve its practicality.

In order to improve the connection strength between the upright rod 4 and the base 3, a reinforcing seat 40 is fixed at the bottom position outside the connecting seat 8, the reinforcing seat 40 is located right below the inner hinge seat 21, and the bottom of the reinforcing seat 40 is fixed with the top of the base 3.

The implementation principle of the electromagnetic compatibility testing system of the product in the embodiment of the application is as follows: a product to be tested is placed on the test board 2, the antenna main body 7 detects radiation emitted by the product to be tested and transmits a radiation signal to a receiver, and the receiver collects and analyzes the received radiation signal; when a product with a higher height needs to be detected, the servo motor 9 is started, the output end of the servo motor 9 drives the driving gear 10 to rotate, so that the driving gear 10 drives the internal tooth belt 12 to move to drive the fixing seat 13 to move, the lifting seat 5 can move up and down along with the movement of the fixing seat 13, the height of the lifting seat 5 is correspondingly adjusted, and the antenna main body 7 can detect products with different heights; when a product needs to be detected at a lower pitch angle, the screw rod 27 is correspondingly rotated to enable the screw rod 27 to push the sliding block 25 and the sliding rod 26 to be close to the outer hinge seat 22, the inclination angle of the connecting rod 28 is reduced, and the position of the outer hinge seat 22 far away from the inner hinge seat 21 is lowered, so that the pitch angle of the antenna main body 7 is reduced; when a product needs to be detected at a higher pitch angle, the screw rod 27 is correspondingly rotated to enable the screw rod 27 to push the sliding block 25 and the sliding rod 26 to be far away from the outer hinge seat 22, so that the inclination angle of the connecting rod 28 is improved, and the position of the outer hinge seat 22 far away from the inner hinge seat 21 is raised, so that the pitch angle of the antenna main body 7 is increased; when the distance between the antenna main body 7 and the product to be measured needs to be adjusted horizontally, the outer connecting frame 36 is pushed to slide the outer connecting frame 36 in the inner connecting frame 35, and then the outer connecting frame 36 is fixed through the inserting rod 39 so as to adjust the horizontal distance between the antenna main body 7 and the product to be measured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a product electromagnetic compatibility test system, including shielding darkroom (1) with set up in testboard (2) in shielding darkroom (1), its characterized in that: still including set up in antenna device in shielding darkroom (1), antenna device includes base (3), sets up pole setting (4) on base (3), sliding sleeve locates pole setting (4) lift seat (5) in the outside, set up in pole setting (4) department just is used for driving lift seat (5) lift lifting unit, connect in the hinge mechanisms of lift seat (5), be connected member (6) and connect antenna main part (7) on connecting member (6) of being connected with hinge mechanisms.

2. A product electromagnetic compatibility test system according to claim 1, characterized in that: pole setting (4) are vertical setting, the lifting unit including set up in servo motor (9), the key-type on base (3) connect in driving gear (10), the rotation of servo motor (9) output connect in driven gear (11) at pole setting (4) top and be used for connecting driving gear (10) and driven gear (11) internal tooth belt (12), driving gear (10) are located pole setting (4) bottom, internal tooth belt (12) mesh with driving gear (10) and driven gear (11) respectively, carry out the transmission through internal tooth belt (12) between driving gear (10) and driven gear (11), lift seat (5) are located internal tooth belt (12) inboard, the relative both sides of lift seat (5) are provided with sliding seat and fixing base (13) respectively, internal tooth belt (12) slide and wear to locate the sliding seat, the internal tooth belt (12) is fixedly arranged on the fixed seat (13) in a penetrating mode.

3. A product electromagnetic compatibility test system according to claim 2, characterized in that: the sliding seat comprises an inner fixed plate (15) vertically arranged on the outer side of the lifting seat (5), two sets of middle connecting plates (16) vertically arranged on one side of the lifting seat (5) and two sets of outer connecting plates (18) vertically arranged on the inner fixed plate (15) and far away from the end part of the inner fixed plate (15) and two sets of outer connecting plates (18) vertically arranged between the outer fixed plates (17), the side surface of each middle connecting plate (16) is perpendicular to the side surface of the inner fixed plate (15), the side surface of each outer connecting plate (18) is perpendicular to the side surface of the inner fixed plate (15), two inner gears (19) and two sets of pinch rollers (20) are horizontally rotated between the outer connecting plates (18), the inner gears (19) are arranged on the inner side of an inner toothed belt (12), the inner gears (20) are arranged on the outer side of the belt (12), and the pinch rollers (20) are respectively arranged above and below the inner gears (19, the internal gear (19) is meshed with the internal tooth belt (12), and the pinch roller (20) is connected with the outer side of the internal tooth belt (12) in a rolling mode.

4. A product electromagnetic compatibility test system according to claim 3, characterized in that: articulated mechanism includes with interior fixed plate (15) tip and outer fixed plate (17) end connection with a set of interior articulated seat (21), with interior articulated seat (21) articulated outer articulated seat (22) and be used for adjusting the adjusting part of the angle between interior articulated seat (21) and the outer articulated seat (22), it is articulated through hinge bar (23) between outer articulated seat (22) and the interior articulated seat (21), connect member (6) and connect the position of keeping away from interior articulated seat (21) in outer articulated seat (22).

5. A product electromagnetic compatibility test system according to claim 4, characterized in that: waist shape hole (24) have been seted up to interior articulated seat (21) level, the length direction in waist shape hole (24) is parallel with the length direction of interior articulated seat (21), adjusting part including sliding connection in slider (25), the level in interior articulated seat (21) set up in the relative both ends of slider (25) just slide bar (26), the screw thread of wearing to locate two in waist shape hole (24) the same group lead screw (27) of well connecting plate (16) and set up connecting rod (28) between slider (26) and outer articulated seat (22), the slip direction of slider (25) is parallel with the length direction in waist shape hole (24), the length direction of lead screw (27) is parallel with the length direction in waist shape hole (24), lead screw (27) one end is worn to locate in slider (25), and with slider (25) rotate to be connected, connecting rod (28) both ends are articulated with slide bar (26) and outer articulated seat (22) respectively, the length direction of the connecting rod (28) is always vertical to the length direction of the hinge rod (23).

6. A product electromagnetic compatibility test system according to claim 4, characterized in that: be provided with firm subassembly between lift seat (5) and outer articulated seat (22), firm subassembly is including articulating in the interior articulated strip (29) of lift seat (5) one side, articulating in outer articulated seat (22) and outer articulated strip (30) that corresponds with interior articulated strip (29) and be used for adjusting bolt (33) and adjusting nut (34) of fixed interior articulated strip (29) and outer articulated strip (30), outer strip-shaped hole (32) have been seted up in outer articulated strip (30), the length direction of outer strip-shaped hole (32) is parallel with the length direction of outer articulated strip (30), interior strip-shaped hole (31) that correspond with outer strip-shaped hole (32) are seted up in interior articulated strip (29), adjusting bolt (33) slide and wear to locate interior strip-shaped hole (31) and outer strip-shaped hole (32), adjusting nut (34) and adjusting bolt (33) threaded connection.

7. A product electromagnetic compatibility test system according to claim 4, characterized in that: connect member (6) including the level set up in interior connection frame (35) and the slip of articulated seat (21) are kept away from to outer articulated seat (22) wear to locate outer connection frame (36) in interior connection frame (35), the one end that interior connection frame (35) were kept away from in outer connection frame (36) stretches out interior connection frame (35), antenna main part (7) set up in outer connection frame (36), interior connection frame (35) are the cavity setting, the one end that outer articulated seat (22) were kept away from in interior connection frame (35) is the opening setting, be provided with the connecting piece between interior connection frame (35) and outer connection frame (36), fix through the connecting piece between interior connection frame (35) and outer connection frame (36).

8. A product electromagnetic compatibility test system according to claim 7, characterized in that: the connecting structure is characterized in that a positioning hole (37) is vertically formed in the top of the inner connecting frame (35), the positioning hole (37) is communicated with the inner portion of the inner connecting frame (35), a plurality of through holes (38) are vertically formed in the top of the outer connecting frame (36), the through holes (38) are arranged in the length direction of the outer connecting frame (36), the connecting piece is an inserting rod (39), and the inserting rod (39) is inserted into the positioning hole (37) and the through hole (38) in the corresponding position.

9. A product electromagnetic compatibility test system according to claim 1, characterized in that: lifting seat (5) horizontal rotation has a plurality of pulleys (14), the laminating in pulley (14) outside and pole setting (4) outside, pulley (14) and pole setting (4) roll connection.

10. A product electromagnetic compatibility test system according to claim 4, characterized in that: the bottom position in pole setting (4) outside is provided with reinforcement seat (40), reinforcement seat (40) are located articulated seat (21) below, reinforcement seat (40) bottom is connected with base (3) top.