CN211831178U

CN211831178U - Microwave camera bellows

Info

Publication number: CN211831178U
Application number: CN202020474383.7U
Authority: CN
Inventors: 曹宝华; 其他发明人请求不公开姓名
Original assignee: NANJING JIEXI TECHNOLOGY CO LTD
Current assignee: NANJING JIEXI TECHNOLOGY CO LTD
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-10-30
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a microwave camera bellows, including camera bellows box, probe adjusting device and strutting arrangement, probe adjusting device is used for detecting the piece that awaits measuring, and strutting arrangement is used for supporting the piece that awaits measuring. The camera bellows box body is provided with an accommodating space, the probe adjusting device is arranged at the upper part of the accommodating space, and the probe adjusting device is arranged at the lower part of the accommodating space; the probe adjusting device comprises a probe and a multidirectional adjusting assembly, and the position and the angle of the probe relative to the piece to be measured in the three-dimensional space are adjusted by the multidirectional adjusting assembly. The utility model provides a volume and the weight of current microwave camera bellows are all great, and area is big, difficult transportation, and service environment and service condition have the limitation, are unfavorable for operating personnel to carry out the problem of operating.

Description

Microwave camera bellows

Technical Field

The utility model relates to a test equipment technical field especially relates to a microwave camera bellows.

Background

The 5G mobile communication is divided into FR1 and FR2 frequency bands. FR1 denotes a communication band of 6GHz or less, and FR2 denotes a millimeter wave communication band. Because the 5G base station of the millimeter wave communication frequency band below 6GHz is low in frequency and large in size, and the radio frequency unit (RU) and the antenna can be separated, most of tests in radio frequency and performance are carried out in a conduction mode, and only after the radio frequency unit (RU) and the antenna are combined into an integrated active antenna, an OTA (air interface) test is used. And all the radio frequency and performance verification of the 5G base station in the millimeter wave communication frequency band can be completed only by means of OTA (over the air) test.

The OTA (air interface) test of the current base station needs to be carried out in a darkroom environment, darkrooms with different sizes and methods are adopted for different test items, wherein the test in a far field and a compact field is most accurate, but the construction period of the far field and the compact field is long and the cost is high. Therefore, in the early stage of millimeter wave development, a microwave dark box providing an environment in which basic functions can be verified is required. In the prior art, a probe in a microwave camera bellows for the microwave camera bellows can only move in two dimensions along the direction of the height of the bellows body and the direction vertical to the height of the bellows body; the existing microwave camera bellows is large in size and weight, large in occupied area and not easy to transport, and the using environment and using conditions have great limitations and are not beneficial to operation of operators.

Therefore, it is desirable to design a microwave dark box which is convenient to transport, small in occupied area, low in manufacturing cost and convenient to install and operate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that prior art exists, the utility model provides a microwave camera bellows solves volume and weight that current microwave camera bellows exists and all is great, and area is big, difficult transportation, and service environment and service condition have the limitation, are unfavorable for operating personnel to carry out the technical problem of operating.

The utility model provides a microwave camera bellows, which comprises a camera bellows body, a probe adjusting device and a supporting device, wherein the camera bellows body is provided with an accommodating space; the probe adjusting device is used for detecting a piece to be detected and is arranged at the upper part of the accommodating space, the probe adjusting device comprises a probe and a multi-direction adjusting assembly connected with the probe, and the multi-direction adjusting assembly is used for adjusting the position and the angle of the probe relative to the piece to be detected; the supporting device is used for supporting the to-be-detected object and is arranged at the lower part of the accommodating space.

Further, the camera bellows box is vertical, and the length of camera bellows box and the width of camera bellows box are all less than the height of camera bellows box.

Further, the camera bellows box includes first curb plate, second curb plate, bottom plate, roof, backplate and chamber door, first curb plate with the second curb plate is relative, the roof with the bottom plate is relative, the chamber door with the backplate is relative, first curb plate the backplate, the second curb plate, the bottom plate with the roof constitutes the box main part, the chamber door with the box main part can open and shut and be connected, the box main part with form between the chamber door accommodation space.

Further, the multi-directional adjusting assembly comprises a second adjusting mechanism, a third adjusting mechanism and a rotary adjusting mechanism, wherein the second adjusting mechanism is fixed at the upper part of the accommodating space of the camera bellows body and is used for driving the third adjusting mechanism to move along the height direction of the camera bellows body so as to drive the probe to move; the third adjusting mechanism is fixed on the second adjusting mechanism and used for driving the rotary adjusting mechanism to move along the length direction of the camera bellows body so as to drive the probe to move; the rotation adjusting mechanism is fixed on the third adjusting mechanism and used for driving the rotation angle of the probe.

Further, the multidirectional adjusting assembly further comprises a first adjusting mechanism, and the first adjusting mechanism is arranged at the upper part of the accommodating space of the camera bellows body; the second adjusting mechanism is installed on the first adjusting mechanism, and the first adjusting mechanism is used for driving the second adjusting mechanism to move along the width direction of the camera bellows body, so that the probe is driven to move.

Furthermore, a ventilation waveguide window is arranged on the first side plate, and a waveguide tube used for line connection and a power filter used for suppressing electromagnetic noise are arranged on the outer wall of the second side plate.

Furthermore, wave absorbing materials are laid on the inner wall of the black box body, and the supporting device is arranged on the bottom plate of the black box body and is in sliding connection with the bottom plate.

Further, the supporting device comprises a sliding rail and a supporting piece, the sliding rail is connected with the bottom plate in a sliding mode, the supporting piece is used for supporting the piece to be tested, and the supporting piece is connected with the sliding rail in a sliding mode.

Adopt above-mentioned technical scheme, the microwave camera bellows set up probe adjusting device and the strutting arrangement who is used for placing the piece that awaits measuring in the camera bellows box, probe adjusting device and strutting arrangement are located the upper portion and the lower part of the accommodation space of camera bellows box respectively, therefore the camera bellows box internal structure space of microwave camera bellows is compact, the integrated level is high, occupation space reduces, light in weight, installation and convenient operation, the transportation and the deployment of being convenient for have expanded the application scope of microwave camera bellows.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the microwave camera bellows of the present invention;

FIG. 2 is a schematic structural diagram of the probe adjustment device of the present invention;

wherein the reference numerals in the figures correspond to:

1-a black box body, 11-a first side plate, 111-a ventilation waveguide window, 12-a second side plate, 121-a waveguide tube, 122-a power filter, 13-a box door, 14-a bottom plate and 15-a top plate;

2-probe adjustment means, 21-first adjustment mechanism, 211-first guide shaft, 212-first moving part, 22-second adjustment mechanism, 221-second guide shaft, 23-third adjustment mechanism, 231-third guide shaft, 24-rotation adjustment mechanism, 241-rotating part, 242-second moving part, 25-driving mechanism;

3-support means, 31-slide, 32-support;

4-a piece to be detected;

x-width direction, Y-height direction, Z-length direction.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Reference herein to "one embodiment," "some embodiments" or "an embodiment," "one example," "some examples," "an example" or "exemplary" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further described with reference to the accompanying drawings and examples.

Please refer to fig. 1-2, according to the embodiment of the present invention, the microwave camera bellows comprises a camera bellows body 1, a probe adjusting device 2 and a supporting device 3, wherein the supporting device 3 and the probe adjusting device 2 are both disposed inside the camera bellows body 1, the probe adjusting device 2 is used for detecting the piece 4 to be detected, and the supporting device 3 is used for supporting the piece 4 to be detected. The camera bellows 1 has a receiving space, the probe adjusting device 2 is provided at an upper portion of the receiving space, and the supporting device 32 is provided at a lower portion of the receiving space. The probe adjusting device 2 comprises a probe and a multi-direction adjusting assembly, wherein the multi-direction adjusting assembly is connected with the probe and can adjust the position and the angle of the probe relative to the piece to be measured 4.

In some embodiments of the present invention, as shown in fig. 1, the camera bellows 1 includes a first side plate 11, a second side plate 12, a door 13, a bottom plate 14, a top plate 15, a back plate (not labeled) and a door 13, wherein the first side plate 11 is opposite to the second side plate 12, the top plate 15 is opposite to the bottom plate 14, and the door 13 is opposite to the back plate. The bottom of first curb plate 11 and the bottom of second curb plate 12 all with bottom plate 14 fixed connection, the top of first curb plate 11 and the top of second curb plate 12 all with roof 15 fixed connection, one side of first curb plate 11 and one side of second curb plate 12 all with backplate fixed connection, first curb plate 11, second curb plate 12, bottom plate 14 and roof 15 form the box main part of camera bellows box 1, chamber door 13 can open and shut with above-mentioned box main part and be connected, box main part and chamber door 13 form the accommodation space of camera bellows box 1. In the embodiment shown in fig. 1, one side of the door 13 is fixedly connected to the other side of the first side plate 11, and the other side of the door 13 is connected to the other side of the second side plate 12 in an openable and closable manner.

In some embodiments of the present invention, the multi-directional adjusting assembly comprises a second adjusting mechanism 22, a third adjusting mechanism 23 and a rotation adjusting mechanism 24, the second adjusting mechanism 22 is fixed on the upper portion of the accommodating space of the camera bellows body 1 for driving the third adjusting mechanism 23 to move along the height direction Y of the camera bellows body 1, thereby driving the probe to move; the third adjusting mechanism 23 is fixed on the second adjusting mechanism and used for driving the rotary adjusting mechanism 24 to move along the length direction Z of the camera bellows body 1, so as to drive the probe to move; the rotation adjusting mechanism 24 is fixed to the third adjusting mechanism 23, and is used for driving the rotation angle of the probe.

In some embodiments of the present invention, the multidirectional adjusting assembly further comprises a first adjusting mechanism 21, the first adjusting mechanism 21 is disposed at the upper part of the accommodating space of the camera bellows body 1; the second adjusting mechanism 22 is installed on the first adjusting mechanism 21, and the first adjusting mechanism 21 is used for driving the second adjusting mechanism 22 to move along the width direction X of the camera bellows body 1, thereby driving the probe to move.

As shown in fig. 1 and 2, the multi-directional adjusting assembly includes a first adjusting mechanism 21, a second adjusting mechanism 22, a third adjusting mechanism 23 and a rotary adjusting mechanism 24, the probe is mounted on the rotary adjusting mechanism 24, and the probe can adjust the position and angle of the probe relative to the piece 4 to be measured in the three-dimensional space through the first adjusting mechanism 21, the second adjusting mechanism 22, the third adjusting mechanism 23 and the rotary adjusting mechanism 24.

The second adjustment mechanism 22 may be mounted to the first side plate 11, the second side plate 12, or the top plate 15. As shown in fig. 1 and 2, the tops of the two second guide shafts 221 are fixedly connected to the top plate 15 of the camera box 1 through two brackets (not labeled) respectively, so as to fix the probe adjusting device 2 at the upper portion of the accommodating space of the camera box 1. It will be appreciated that the probe adjustment device 2 may be fixedly attached to the top plate 15 by a bracket (not shown) as shown in fig. 1 and 2 to allow the probe adjustment device 2 to be disposed in the upper portion of the receiving space of the camera box 1, or that the probe adjustment device 2 may be fixedly attached to one or more of the first side plate 11, the second side plate 12, or the top plate 15 by other mechanical connectors as will occur to those of skill in the art to allow the probe adjustment device 2 to be disposed in the upper portion of the receiving space of the camera box 1.

Specifically, the second adjustment mechanism 22 is connected to the first adjustment mechanism 21 and the third adjustment mechanism 23, respectively; the second adjusting mechanism 22 can move along the width direction X relative to the first adjusting mechanism 21, and the third adjusting mechanism 23 can move along the height direction Y relative to the second adjusting mechanism 22; the rotation adjusting mechanism 24 is disposed on the third adjusting mechanism 23 and can move along the length direction Z relative to the third adjusting mechanism 23, and the probe is mounted on the rotation adjusting mechanism 24 and can rotate relative to the third adjusting mechanism 23 under the driving of the rotation adjusting mechanism 24. The width direction X and the length direction Z intersect to form a guide plane (not shown), a projection of the length direction Z on the guide plane (not shown) intersects with and forms an angle with a projection of the width direction X on the guide plane (not shown), and the height direction Y is perpendicular to the guide plane.

In some embodiments of the present invention, the projection of the length direction Z on the guide plane (not shown) intersects the projection of the width direction X on the guide plane perpendicularly, i.e. the width direction X, the height direction Y and the length direction Z are perpendicular to each other and form a three-dimensional coordinate system. It is understood that the projections of the width direction X and the length direction Z on the guide plane may intersect at other set angles besides a right angle, as long as the two-dimensional movement adjustment of the probe in the guide plane along the width direction X and the length direction Z is realized.

In some embodiments of the present invention, as shown in fig. 2, the first adjusting mechanism 21 includes a first guiding axle 211 and a first moving member 212, the first guiding axle 211 extends along the width direction X, and the first moving member 212 is slidably connected to one end of the first guiding axle 211. The second adjusting mechanism 22 includes two second guiding shafts extending along the height direction Y, wherein one end of one second guiding shaft 221 is fixedly connected to the first moving member 212 on the first adjusting mechanism 21, and when the second moving member 212 moves relative to the first guiding shaft 211, the second adjusting mechanism 22 follows the first moving member 212 to move along the width direction X relative to the first guiding shaft 211. The third adjustment mechanism 23 includes a third guide shaft 231 extending along the longitudinal direction Z, and both ends of the third guide shaft 231 are slidably connected to the two second guide shafts 221, respectively, so that the third guide shaft 231 can move along the height direction Y relative to the second guide shafts 221. The rotary adjusting mechanism 24 includes a rotating member 241 and a second moving member 242, the second moving member 242 is slidably connected to the third guiding shaft 231 of the third adjusting mechanism 23, and the rotary adjusting mechanism 24 can be driven by the second moving member 242 to move along the length direction Z relative to the third adjusting mechanism 23. The rotating part 241 is rotatably connected with the second moving part 242, the probe can be connected with the rotating part 241 through a flange, and the probe can rotate along the direction of R or the opposite direction of R in the figure relative to the second moving part 242 under the driving of the rotating part 241, so that the angle adjustment of the probe is realized. The rotating member 241 may be a turntable or other rotatable mechanical component.

In some embodiments of the present invention, the probe adjusting device 2 further includes a driving mechanism 25, and the probe follows the rotating member 241 to adjust the position and the angle of the camera bellows 1 under the driving of the driving mechanism 25, so that the position of the probe corresponds to the position of the to-be-detected member 4. The drive mechanism 25 may be driven by manual control or by automatic program control. In the embodiment shown in fig. 2, the driving mechanism 25 is disposed at an end of the first guiding axle 211 away from the first moving part 212, and the driving mechanism 25 is a rocking wheel. The position of the probe in the horizontal direction can be changed by driving the second moving member 242 to move along the length direction Z, and the second moving member 242 and the third guide shaft 231 to follow the movement of the second adjusting mechanism 22 along the width direction X. By driving the second moving member 242 to move in the height direction Y, the position of the probe in the vertical direction can be changed. The probe can be driven to rotate forward or reversely along the direction R by driving the rotating part 241 to rotate, and the angle of the probe can be changed. It can be understood that besides the rocking wheel shown in fig. 2, the probe can be driven by a turbine gear, a guide rail transmission mechanism, a motor and other mechanisms to horizontally move left and right, vertically move up and down and rotate, so that the multi-directional comprehensive test of the microwave camera bellows is realized, and the test result of the microwave camera bellows is more accurate.

In some embodiments of the present invention, as shown in fig. 1, the camera bellows body 1 is a vertical type body, and the length of the camera bellows body 1 and the width of the camera bellows body 1 are both smaller than the height of the camera bellows body 1. The probe adjusting device 2 and the supporting device 3 are arranged along the height direction Y of the camera bellows body 1, the probe adjusting device 2 is arranged on the upper portion of the accommodating space of the camera bellows body 1, and the supporting device 3 is arranged on the lower portion of the accommodating space of the camera bellows body 1. Through the camera bellows box 1 that adopts this kind of box form and set up the probe adjusting device 2 and the strutting arrangement 3 of arranging according to above-mentioned direction respectively in camera bellows box 1's accommodation space's upper portion and lower part, make the utility model discloses a camera bellows box 1's dead area of microwave camera bellows can reduce, and area diminishes, and camera bellows box 1's volume reduces, and structural space is compact, and the integrated level is high, is convenient for remove and install, and the test operating personnel of being convenient for operate, has improved the efficiency that the test was verified effectively, can deploy in indoor environment such as office and laboratory on a large scale.

In some embodiments of the present invention, as shown in fig. 1, a ventilation waveguide window 111 is disposed on the first side plate 11 for facilitating ventilation and heat dissipation, and the ventilation waveguide window 111 can prevent the temperature inside the camera bellows body of the microwave camera bellows from rising too high, so as to effectively protect each component inside the microwave camera bellows and the camera bellows body 1. A waveguide 121 for line connection and a power filter 122 for suppressing electromagnetic noise are provided on the outer wall of the second side plate 12. Wave-absorbing materials are laid on the inner wall of the camera bellows body 1 and used for absorbing radiation signals and shielding space electromagnetic interference outside the camera bellows body 1, and meanwhile, the wave-absorbing materials can also be used for emitting electromagnetic interference to the outside through parts inside the camera bellows body 1.

The supporting device 3 is arranged on the bottom plate 14 of the camera bellows body 1 and is connected with the bottom plate 14 in a sliding way. Specifically, the supporting device 2 includes a slide rail 31 and a supporting member 32 for supporting the object 4 to be measured. Slide rail 31 and bottom plate 14 sliding connection, support piece 32 and slide rail 31 sliding connection, when need place or change the piece 4 that awaits measuring, only need open chamber door 13, drag support piece 32 and slide along slide rail 31, slide rail 31 can slide relative bottom plate 14 simultaneously, make support piece 32 by the pull out camera bellows box 1, place or change the piece 4 that awaits measuring, later with the strutting arrangement 3 who places the piece 4 that awaits measuring push into camera bellows box 1's inside in order to test the verification. The width direction X of the camera bellows body 1 is the moving direction of the to-be-detected piece 4 entering and exiting the camera bellows body 1. The utility model discloses an easy operation convenience that awaits measuring 4 was placed or was changed to the microwave camera bellows can improve efficiency of software testing effectively.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A microwavable chamber, comprising:

the camera bellows body (1), the camera bellows body (1) has accommodation space;

the probe adjusting device (2) is used for detecting a piece to be detected (4), the probe adjusting device (2) is arranged at the upper part of the accommodating space, the probe adjusting device (2) comprises a probe and a multi-direction adjusting assembly connected with the probe, and the multi-direction adjusting assembly is used for adjusting the position and the angle of the probe relative to the piece to be detected (4);

the supporting device (3) is used for supporting the piece to be measured (4), and the supporting device (3) is arranged at the lower part of the accommodating space.

2. A microwave camera chamber according to claim 1, characterized in that the camera chamber body (1) is a vertical body, the length of the camera chamber body (1) and the width of the camera chamber body (1) both being smaller than the height of the camera chamber body (1).

3. The microwave camera box according to claim 2, characterized in that the camera box body (1) comprises a first side plate (11), a second side plate (12), a bottom plate (14), a top plate (15), a back plate and a box door (13), wherein the first side plate (11) is opposite to the second side plate (12), the top plate (15) is opposite to the bottom plate (14), the box door (13) is opposite to the back plate, the first side plate (11), the back plate, the second side plate (12), the bottom plate (14) and the top plate (15) constitute a box body, the box door (13) is connected with the box body in an openable and closable manner, and the box body and the box door (13) form the accommodating space therebetween.

4. A microwavable dark box according to claim 3, wherein the multi-directional adjustment assembly comprises a second adjustment mechanism (22), a third adjustment mechanism (23), and a rotational adjustment mechanism (24),

the second adjusting mechanism (22) is fixed at the upper part of the accommodating space of the camera bellows body (1) and is used for driving the third adjusting mechanism (23) to move along the height direction (Y) of the camera bellows body (1) so as to drive the probe to move;

the third adjusting mechanism (23) is fixed on the second adjusting mechanism and used for driving the rotary adjusting mechanism (24) to move along the length direction (Z) of the camera bellows body (1) so as to drive the probe to move;

the rotation adjusting mechanism (24) is fixed on the third adjusting mechanism (23) and used for driving the rotation angle of the probe.

5. A microwavable camera chamber according to claim 4, characterized in that the multidirectional adjustment assembly further comprises a first adjustment mechanism (21), the first adjustment mechanism (21) being arranged at an upper portion of the housing space of the camera chamber body (1); the second adjusting mechanism (22) is installed on the first adjusting mechanism (21), and the first adjusting mechanism (21) is used for driving the second adjusting mechanism (22) to move along the width direction (X) of the camera bellows body (1) so as to drive the probe to move.

6. A microwave camera chamber according to claim 3, characterized in that the first side plate (11) is provided with a ventilation waveguide window (111), and the outer wall of the second side plate (12) is provided with a waveguide (121) for line connection and a power filter (122) for suppressing electromagnetic noise.

7. The microwavable dark of claim 6, wherein: wave-absorbing materials are laid on the inner wall of the camera bellows body (1), and the supporting device (3) is arranged on the bottom plate (14) of the camera bellows body (1) and is in sliding connection with the bottom plate (14).

8. A microwave camera chamber according to claim 7, characterized in that the supporting device (3) comprises a slide rail (31) and a supporting member (32), the slide rail (31) is slidably connected with the bottom plate (14), the supporting member (32) is used for supporting the piece to be measured (4), and the supporting member (32) is slidably connected with the slide rail (31).