Portable frequency spectrum monitoring device

Abstract

The utility model discloses a portable frequency spectrum monitoring device which comprises a lifting mechanism, a frequency spectrum monitor body, a height adjusting mechanism, a storage box, a moving steering mechanism and a fixing mechanism. The lifting mechanism is arranged at the top of the frequency spectrum monitor body and is used for lifting the device; the top of the height adjusting mechanism supports the spectrum monitor body, and the bottom of the height adjusting mechanism is fixed in the storage box for adjusting the height of the spectrum monitor body; the moving and steering mechanism is arranged at the bottom of the storage box and used for moving and steering the device; and the fixing mechanism is used for fixing the device. The problems that a workbench needs to be carried when the spectrum monitor is used outdoors, placement is inconvenient, the spectrum monitor needs to be moved and carried outdoors by means of external force, a storage box of the spectrum monitor is inconvenient to carry, and space is wasted when the storage box is not used are solved.

Description

Technical Field

[0001] The utility model relates to the field of spectrum monitors, in particular to a portable spectrum monitoring device. Background Art

[0002] As an important auxiliary equipment for analyzing and monitoring the electromagnetic spectrum, spectrum monitors play an important role in wireless communications, radar reconnaissance, television broadcasting, wireless local area networks and other fields. However, most spectrum monitors currently need to be placed on a flat workbench for use, which is inconvenient when used outdoors or in unstable environments. Users often need to carry an additional workbench, and external force is required to move or carry the spectrum monitor outdoors, which causes trouble for users. At the same time, the storage of spectrum monitors usually requires the preparation of additional storage boxes, which increases the inconvenience of storage, and the storage boxes will also occupy additional storage space, resulting in a waste of space. Utility Model Content

[0003] The utility model provides a portable spectrum monitoring device, which solves the problem that a workbench needs to be carried when the spectrum monitor is used outdoors and the problem of inconvenience in placement; secondly, it solves the problem that an external force is required for outdoor movement and transportation of the spectrum monitor; finally, it solves the problem that a storage box of the spectrum monitor is inconvenient to carry and the space is wasted when not in use.

[0004] The utility model is realized through the following technical solutions.

[0005] A portable spectrum monitoring device comprises a lifting mechanism, a spectrum monitor body, a height adjustment mechanism, a storage box, a moving and steering mechanism and a fixing mechanism; the lifting mechanism is arranged on the top of the spectrum monitor body and is used to lift the device; the top of the height adjustment mechanism supports the spectrum monitor body and the bottom is fixed in the storage box and is used to adjust the height of the spectrum monitor body; the moving and steering mechanism is arranged on the bottom of the storage box and is used to move and steer the device; the fixing mechanism is used to fix the device.

[0006] Furthermore, the lifting mechanism includes a flat plate and a handle, a slot is opened on the top of the flat plate, the handle is placed in the slot, rotating rods are provided on both sides of the handle, and rotating holes are provided on the side walls of the slot. One end of the rotating rod is inserted into the rotating hole and matches the gap with the rotating hole. Folding rods are provided on both sides of the handle, one end of the folding rod is fixed to the inner wall of the slot, the folding rod consists of two rod sections and a first rotating wheel, and the two rod sections are connected by the first rotating wheel to achieve folding.

[0007] Furthermore, the handle is a square frame structure.

[0008] Furthermore, the flat plate covers the spectrum monitor body, has a larger area than the spectrum monitor body, and has rounded edges and corners.

[0009] Furthermore, a fixing plate extends from the bottom edge of the spectrum monitor body, a connecting plate is detachably installed at the bottom of the fixing plate, a height adjustment mechanism is arranged at the bottom of the connecting plate, the height adjustment mechanism includes at least two groups of telescopic rods, the telescopic rods are formed by stacking a plurality of groups of hollow pipe fittings, a clamping hole is opened on the pipe wall of the pipe fitting, a clamping position is inserted into the clamping hole, an elastic element is arranged in the pipe fitting, one end of the clamping position is connected to the elastic element, and the other end extends out of the pipe fitting through the clamping hole and the extending length is greater than the gap between the lower pipe fitting and the upper pipe fitting, and the elastic element is fixed in the pipe fitting.

[0010] Furthermore, the telescopic rod is provided with an anti-slip component, which is composed of a T-shaped slider and a V-shaped hook. A sliding groove is provided on the inner wall of the upper pipe fitting, and the T-shaped slider slides in the sliding groove. A hook groove is provided on the inner wall of the lower pipe fitting. When the upper pipe fitting slides up, the V-shaped hook expands outward and is inserted into the hook groove, and when it slides down, the V-shaped hook retracts inward and disengages from the hook groove.

[0011] Furthermore, the hook groove is wedge-shaped, the inclination angle of the V-shaped hook is the same as the inclination angle of the hook groove, and the surface of the hook portion of the V-shaped hook is smooth.

[0012] Furthermore, the mobile steering mechanism includes a hollow fixed block, a supporting hemisphere and a fixed hemisphere, a bottom plate is provided at the bottom of the storage box, the hollow fixed block is arranged at the bottom of the bottom plate, the supporting hemisphere and the fixed hemisphere are arranged inside the hollow fixed block, a first rotating wheel is provided between the supporting hemisphere and the fixed hemisphere, a first rotating rod is connected to the bottom of the first rotating wheel, a first circular hole is provided at the bottom of the hollow fixed block, the first rotating rod extends out through the first circular hole and is connected to a roller fixing plate, roller fixing side plates are provided on both sides of the roller fixing plate, the roller fixing side plates are provided with second circular holes, rollers are provided between the roller fixing side plates, rotating shafts are connected on both sides of the rollers, the rotating shafts extend out through the second circular holes and fit with the gap of the second circular holes.

[0013] Furthermore, the fixing mechanism includes a frame, a pressing block and a telescopic spring. The frame is composed of four groups of roller fixing plates, two groups of first connecting rods and two groups of second connecting rods. The storage box is a cube. The roller fixing plate is L-shaped and wraps the corners of the storage box. The roller fixing plate, the first connecting rod and the second connecting rod are alternately connected to form a square frame that can wrap the storage box. The first connecting rod is located at the upper part of the fixing plate, and the second connecting rod is located at the lower part of the fixing plate. One end of the telescopic spring is fixed in the storage box, and the other end is connected to the pressing block. The pressing block partially extends out of the storage box. The first connecting rod is placed on the protruding part of the pressing block. At this time, the roller fixing plate is away from the ground, pressing the pressing block, and the fixing mechanism slides downward. At this time, the roller fixing plate contacts the ground to fix the entire device.

[0014] Furthermore, the fixing mechanism includes a limit block, which is L-shaped and fixed on the outer wall of the storage box and located above the first connecting rod, so that the surrounding frame is fixed between the limit block and the pressing block.

[0015] The beneficial effects of the utility model are:

[0016] When using the spectrum detector body, the user can place the spectrum detector body alone on an indoor workbench for use, or use it outdoors after assembling it; the fixing plate and the connecting plate can be separated by loosening the bolts and nuts, and the spectrum detector body can be placed on the workbench for use alone; when it needs to be used outdoors, the fixing plate and the connecting plate can be connected by fixing bolts and nuts, and the spectrum detector body can be placed on the connecting plate for use;

[0017] When used outdoors, the user can compress or stretch the telescopic rod to disengage the locking position from the locking hole, and select a suitable height by adjusting the length of the telescopic rod;

[0018] When the spectrum monitor needs to be moved or carried outdoors, the user pulls out the handle in the flat card slot, and the handle drives the folding rod, and the folding rod and the handle drive the entire device together. The user pulls the handle and cooperates with the roller under the bottom plate to complete the movement or transportation of the spectrum monitor, which greatly saves manpower. The device can also be fixed by a fixing mechanism to prevent the movement of the device from affecting the measurement;

[0019] To prevent the spectrum monitor body from being damaged during transportation or storage, a flat plate is installed on the upper surface of the spectrum monitor body, and the flat plate also protects the four corners of the spectrum monitor body;

[0020] When the spectrum monitor body is not in use and needs to be stored daily, the user can place the spectrum monitor body in the storage box by adjusting the telescopic rod to complete the storage of the spectrum monitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the spectrum monitoring device of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the lifting mechanism of the utility model;

[0023] Figure 3 For this utility model Figure 2 A partial enlarged view of middle A;

[0024] Figure 4 It is a structural schematic diagram of the lifting mechanism of the utility model when the handle is pulled up;

[0025] Figure 5 It is a structural schematic diagram of the height adjustment mechanism of the utility model;

[0026] Figure 6 for Figure 5 A partial enlarged view of B in the middle;

[0027] Figure 7 This is a structural schematic diagram of the mobile steering mechanism of the utility model;

[0028] Figure 8 This is a schematic diagram of the structure of the roller steering of the utility model;

[0029] Fig. 9 This is a schematic diagram of the structure of the rolling movement of the utility model;

[0030] Fig.10 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0031] Fig.11 This is a structural schematic diagram of the fixing mechanism of the utility model installed on the storage box;

[0032] Fig.12 for Fig.11 A partial enlarged view of middle C;

[0033] Fig.13 A cross-sectional view of the fixing mechanism.

[0034] Reference numerals: lifting mechanism 1, flat plate 101, handle 102, slot 103, rotating rod 104, rotating hole 105, folding rod 106, rod section 1061, rotating wheel 1062;

[0035] Spectrum monitor body 2, fixing plate 201, bolts 202, nuts 203;

[0036] Height adjustment mechanism 3, pipe 301, clamping hole 302, clamping position 303, elastic element 304, anti-dropping member 305, T-shaped slider 3051, V-shaped hook 3052, slide groove 306, hook groove 307;

[0037] Storage box 4;

[0038] Mobile steering mechanism 5, hollow fixed block 501, supporting hemisphere 502, fixed hemisphere 503, first circular hole 504, first rotating wheel 505, first rotating rod 506, roller fixing plate 507, roller fixing side plate 508, second circular hole 509, roller 510, rotating shaft 511;

[0039] Fixing mechanism 6, surrounding frame 601, pressing block 602, telescopic spring 603, roller connecting plate 6011, first connecting rod 6012, second connecting rod 6013, limiting block 604;

[0040] Connecting plate 7, bottom plate 8. DETAILED DESCRIPTION

[0041] The following is a further description of the structures involved in the present invention or the technical terms used. These descriptions are merely examples of how the present invention is implemented and do not constitute any limitation to the present invention.

[0042] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "lateral", "longitudinal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the position or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present invention, unless otherwise clearly specified and limited, "connection", "fixation" and the like should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] like Figure 1-13 As shown, a portable spectrum monitoring device comprises a lifting mechanism 1, a spectrum monitor body 2, a height adjustment mechanism 3, a storage box 4, a moving and steering mechanism 5 and a fixing mechanism 6; the lifting mechanism 1 is arranged on the top of the spectrum monitor body 2, and is used to lift the device; the top of the height adjustment mechanism 3 supports the spectrum monitor body 2, and the bottom is fixed in the storage box 4, and is used to adjust the height of the spectrum monitor body 2; the moving and steering mechanism 5 is arranged at the bottom of the storage box 4, and is used to move and steer the device; the fixing mechanism 6 is used to fix the device.

[0045] As an optional embodiment, Figure 2-4 As shown, the lifting mechanism 1 includes a flat plate 101 and a handle 102. A slot 103 is provided on the top of the flat plate 101. The handle 102 is placed in the slot 103. Rotating rods 104 are provided on both sides of the handle 102. A rotating hole 105 is provided on the side wall of the slot 103. One end of the rotating rod 104 is inserted into the rotating hole 105 and is loosely matched with the rotating hole 105. Folding rods 106 are provided on both sides of the handle 102. One end of the folding rod 106 is fixed to the inner wall of the slot 103. The folding rod 106 consists of two rod sections 1061 and a rotating wheel 1062. The two rod sections 1061 are connected by the rotating wheel 1062 to achieve folding. When in use, the handle 102 drives the folding rod 106 to fold toward the slot 103, and the two rod sections 1061 of the folding rod 106 overlap and are placed in the slot 103. The user moves or carries the spectrum monitor body 2 or the entire device outdoors by pulling out the handle in the slot 103.

[0046] As an optional embodiment, Figure 1As shown, the handle 102 is a square frame structure, so that the device can be pushed as easily as a suitcase.

[0047] As an optional embodiment, the flat plate 101 covers the spectrum monitor body 2 and has a larger area than the spectrum monitor body 2 and rounded corners, so as to prevent the spectrum monitor body 2 from being damaged during transportation and storage.

[0048] As an optional embodiment, a fixing plate 201 extends from the bottom edge of the spectrum monitor body 2, a connecting plate 7 is detachably mounted on the bottom of the fixing plate 201, a height adjustment mechanism 3 is arranged at the bottom of the connecting plate 7, and the height adjustment mechanism 3 comprises at least two groups of telescopic rods, which are formed by stacking a plurality of groups of hollow pipes 301, a clamping hole 302 is opened on the pipe wall of the pipe 301, a clamping position 303 is inserted into the clamping hole 302, an elastic element 304 is arranged in the pipe 301, one end of the clamping position 303 is connected to the elastic element 304, and the other end extends out of the pipe 301 through the clamping hole 302, and the extension length is greater than the gap between the lower pipe and the upper pipe, and the elastic element 304 is fixed in the pipe 301. By pressing the clamping position 303, the elastic element 304 is compressed, and the upper pipe falls into the lower pipe, so that compression in the height direction is achieved; by pulling upward, the clamping position 303 is reset under the stretching action of the elastic element 304, so that stretching in the height direction is achieved.

[0049] As an optional embodiment, the outer surface of the locking position 303 is a spherical surface, which can improve the fit between the locking position 303 and the locking hole 302 .

[0050] As an optional embodiment, the telescopic rod is provided with an anti-slip member 305, which is composed of a T-shaped slider 3051 and a V-shaped hook 3052. A slide groove 306 is provided on the inner wall of the upper pipe, and the T-shaped slider 3051 slides in the slide groove 306. A hook groove 307 is provided on the inner wall of the lower pipe. When the upper pipe slides upward, the V-shaped hook 3052 expands outward and snaps into the hook groove 307, and when it slides downward, the V-shaped hook 3052 retracts inward and disengages from the hook groove 307. When the height adjustment mechanism 3 is stretched, the T-shaped slider 3051 is forced to slide upward in the slide groove 306, and the V-shaped hook 3052 is snapped into the hook groove 307 to prevent the telescopic rod from being pulled off. When the telescopic rod is compressed, the T-shaped slider 3051 is forced to slide down in the slide groove 306, and the V-shaped hook 3052 is disengaged from the hook groove 307, and the telescopic rod is compressed normally.

[0051] As an optional embodiment, the hook groove 307 is wedge-shaped, the inclination angle of the V-shaped hook 3052 is the same as the inclination angle of the hook groove 307, and the hook surface of the V-shaped hook 3052 is smooth, so that the V-shaped hook 3052 can slide smoothly into and out of the groove 307.

[0052] Specifically, the pipe 301 is made of metal or alloy to ensure the support strength. Specifically, there are four groups of telescopic rods, which are symmetrically distributed at the bottom of the spectrum monitor body 2. If there are two groups of telescopic rods, the pipe 301 is set to a certain thickness and a larger diameter, so that the entire device is placed more stably and is not easy to tilt or move. The elastic element 304 is an elastic and retractable component, such as a spring.

[0053] Specifically, screw holes are provided at four corners of the fixing plate 201 and the connecting plate 7 , and the spectrum monitor body 2 is fixed to the connecting plate 7 by using bolts 202 and nuts 203 .

[0054] As an optional embodiment, the storage box 4 is a cube with a certain depth to ensure that the spectrum monitor body 2 can be completely placed in the box.

[0055] As an optional embodiment, the mobile steering mechanism 5 includes a hollow fixed block 501, a supporting hemisphere 502 and a fixed hemisphere 503, a bottom plate 8 is provided at the bottom of the storage box, the hollow fixed block 501 is arranged at the bottom of the bottom plate 8, the supporting hemisphere 502 and the fixed hemisphere 503 are arranged inside the hollow fixed block 501, a first rotating wheel 505 is provided between the supporting hemisphere 502 and the fixed hemisphere 503, a first rotating rod 506 is connected to the bottom of the first rotating wheel 505, a first circular hole 504 is provided at the bottom of the hollow fixed block 501, the first rotating rod 506 extends out through the first circular hole 504 and is connected to a roller fixing plate 507, roller fixing side plates 508 are provided on both sides of the roller fixing plate 507, the roller fixing side plates 508 are provided with second circular holes 509, rollers 510 are provided between the roller fixing side plates 508, and rotating shafts 511 are connected to both sides of the rollers 510, the rotating shafts 511 extend out through the second circular holes 509 and are gap-matched with the second circular holes 509. During movement, the rotating shaft 511 rotates in the second circular hole 509 , thereby driving the roller 510 to rotate. The rotating shaft 511 rotates in the hollow fixed block 501 to drive the first rotating rod 506 to rotate, thereby driving the roller 510 to turn.

[0056] As an optional embodiment, the fixing mechanism 6 includes a frame 601, a pressing block 602 and a telescopic spring 603. The frame 601 is composed of four groups of roller connecting plates 6011, two groups of first connecting rods 6012 and two groups of second connecting rods 6013. The storage box 4 is a cube. The roller connecting plates 6011 are L-shaped and wrap around the corners of the storage box 4. The roller connecting plates 6011, the first connecting rods 6012 and the second connecting rods 6013 are alternately connected to form a square frame that can wrap around the storage box 4. The first connecting rods 6012 Located at the upper part of the roller connecting plate 6011, the second connecting rod 6013 is located at the lower part of the roller connecting plate 6011, one end of the telescopic spring 603 is fixed in the storage box 4, and the other end is connected to the pressing block 602. The pressing block 602 partially extends out of the storage box 4. The first connecting rod 6012 is placed on the protruding part of the pressing block 602. At this time, the roller connecting plate 6011 is away from the ground, pressing the pressing block 602, and the fixing mechanism 6 slides downward. At this time, the roller connecting plate 6011 contacts the ground, fixing the entire device to prevent it from moving.

[0057] As an optional embodiment, the fixing mechanism 6 includes a limit block 604, which is L-shaped, fixed on the outer wall of the storage box 4 and located above the first connecting rod 6012, fixing the frame 601 between the limit block 604 and the pressing block 602 to prevent the frame 601 from moving up and down and forward and backward when the device moves.

[0058] Working principle: When using the spectrum detector body 2, the user can place the spectrum detector body 2 alone on an indoor workbench for use, or assemble it for use outdoors; by loosening the bolts 202 and the nuts 203, the fixing plate 201 and the connecting plate 7 can be separated, and the spectrum detector body 2 can be placed on the workbench for use alone; when it needs to be used outdoors, the fixing plate 201 and the connecting plate 7 can be connected by fixing the bolts 202 and the nuts 203, and the spectrum detector body 2 can be placed on the connecting plate 7 for use;

[0059] When used outdoors, the user can compress or stretch the telescopic rod to disengage the locking position 303 from the locking hole 302, and select a suitable height by adjusting the length of the telescopic rod;

[0060] When the spectrum monitor body 2 needs to be moved or carried outdoors, the user pulls out the handle 102 in the flat card slot 103, and the handle 102 drives the folding rod 106, and the folding rod 106 and the handle 102 drive the entire device together. The user pulls the handle 102 to cooperate with the roller 510 under the bottom plate 8 to complete the movement or transportation of the spectrum monitor body 2, thereby greatly saving manpower. The fixing mechanism 6 can also be used to fix the device to prevent the movement of the device from affecting the measurement;

[0061] In order to prevent the spectrum monitor body 2 from being damaged during transportation or storage, a flat plate 101 is installed on the upper surface of the spectrum monitor body 2, and the flat plate 101 also protects the four corners of the spectrum monitor body 2;

[0062] When the spectrum monitor body 2 is not in use and needs to be stored daily, the user can place the spectrum monitor body 2 in the storage box 4 by adjusting the telescopic rod to complete the storage of the spectrum monitor.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable spectrum monitoring device, comprising a spectrum monitoring device body (2) and a height adjustment mechanism (3), characterized in that: It also includes a lifting mechanism (1), a storage box (4), a moving steering mechanism (5) and a fixing mechanism (6); the lifting mechanism (1) is arranged on the top of the spectrum monitor body (2) and is used to lift the device; the height adjustment mechanism (3) supports the spectrum monitor body (2) at the top and is fixed in the storage box (4) at the bottom and is used to adjust the height of the spectrum monitor body (2); The moving and steering mechanism (5) is arranged at the bottom of the storage box (4) and is used to move and steer the device; the fixing mechanism (6) is used to fix the device.

2. A portable spectrum monitoring device according to claim 1, characterized in that: The lifting mechanism (1) comprises a flat plate (101) and a handle (102). A slot (103) is formed on the top of the flat plate (101). The handle (102) is placed in the slot (103). Rotating rods (104) are provided on both sides of the handle (102). A rotating hole (105) is provided on the side wall of the slot (103). One end of the rotating rod (104) is inserted into the rotating hole (105) and is clearance-matched with the rotating hole (105). Folding rods (106) are provided on both sides of the handle (102). One end of the folding rod (106) is fixed to the inner wall of the slot (103). The folding rod (106) consists of two rod sections (1061) and a rotating wheel (1062). The two rod sections (1061) are connected by the rotating wheel (1062) to achieve folding.

3. A portable spectrum monitoring device according to claim 2, characterized in that: The handle (102) is a square frame structure.

4. A portable spectrum monitoring device according to claim 2, characterized in that: The flat plate (101) covers the spectrum monitor body (2), has a larger area than the spectrum monitor body (2), and has rounded edges and corners.

5. The portable spectrum monitoring device according to claim 1, characterized in that: A fixing plate (201) extends from the bottom edge of a spectrum monitor body (2), a connecting plate (7) is detachably mounted on the bottom of the fixing plate (201), a height adjustment mechanism (3) is arranged at the bottom of the connecting plate (7), the height adjustment mechanism (3) comprises at least two groups of telescopic rods, the telescopic rods are formed by stacking a plurality of groups of hollow pipes (301), a clamping hole (302) is opened on the wall of the pipe (301), a clamping position (303) is inserted into the clamping hole (302), an elastic element (304) is arranged in the pipe (301), one end of the clamping position (303) is connected to the elastic element (304), and the other end extends out of the pipe (301) through the clamping hole (302), and the extension length is greater than the gap between the lower pipe and the upper pipe, and the elastic element (304) is fixed in the pipe (301).

6. A portable spectrum monitoring device according to claim 5, characterized in that: The telescopic rod is provided with an anti-slipping member (305), which is composed of a T-shaped slider (3051) and a V-shaped hook (3052). The inner wall of the upper pipe is provided with a sliding groove (306), the T-shaped slider (3051) slides in the sliding groove (306), and the inner wall of the lower pipe is provided with a hook groove (307). When the upper pipe slides upward, the V-shaped hook (3052) is expanded outward and inserted into the hook groove (307), and when the upper pipe slides downward, the V-shaped hook (3052) is retracted inward and separated from the hook groove (307).

7. A portable spectrum monitoring device according to claim 6, characterized in that: The hook groove (307) is wedge-shaped, the inclination angle of the V-shaped hook (3052) is the same as the inclination angle of the hook groove (307), and the surface of the hook portion of the V-shaped hook (3052) is smooth.

8. The portable spectrum monitoring device according to claim 1, characterized in that: The mobile steering mechanism (5) comprises a hollow fixed block (501), a supporting hemisphere (502) and a fixed hemisphere (503); a bottom plate (8) is provided at the bottom of the storage box (4); the hollow fixed block (501) is arranged at the bottom of the bottom plate (8); the supporting hemisphere (502) and the fixed hemisphere (503) are arranged inside the hollow fixed block (501); a first rotating wheel (505) is provided between the supporting hemisphere (502) and the fixed hemisphere (503); a first rotating rod (506) is connected to the bottom of the first rotating wheel (505); and the hollow fixed block (501) is provided with a first rotating wheel (506). ) is provided with a first circular hole (504) at the bottom, a first rotating rod (506) extends through the first circular hole (504) and is connected to a roller fixing plate (507), roller fixing side plates (508) are provided on both sides of the roller fixing plate (507), the roller fixing side plates (508) are provided with second circular holes (509), rollers (510) are provided between the roller fixing side plates (508), rotating shafts (511) are connected on both sides of the rollers (510), the rotating shafts (511) extend through the second circular holes (509) and are clearance-matched with the second circular holes (509).

9. The portable spectrum monitoring device according to claim 1, characterized in that: The fixing mechanism (6) comprises a surrounding frame (601), a pressing block (602) and a telescopic spring (603); the surrounding frame (601) comprises four groups of roller connecting plates (6011), two groups of first connecting rods (6012) and two groups of second connecting rods (6013); the storage box (4) is a cube; the roller connecting plates (6011) are L-shaped and wrap around the corners of the storage box (4); the roller connecting plates (6011), the first connecting rods (6012) and the second connecting rods (6013) are alternately connected to form a square frame that can wrap around the storage box (4); the first connecting rods (6012) The second connecting rod (6013) is located at the upper part of the roller connecting plate (6011), and the second connecting rod (6013) is located at the lower part of the roller connecting plate (6011). One end of the telescopic spring (603) is fixed in the storage box (4), and the other end is connected to the pressing block (602). The pressing block (602) partially extends out of the storage box (4). The first connecting rod (6012) is placed on the protruding part of the pressing block (602). At this time, the roller connecting plate (6011) is away from the ground, and the pressing block (602) is pressed, and the fixing mechanism (6) slides downward. At this time, the roller connecting plate (6011) contacts the ground, and the entire device is fixed.

10. The portable spectrum monitoring device according to claim 9, characterized in that: The fixing mechanism (6) comprises a limit block (604) which is L-shaped and fixed on the outer wall of the storage box (4) and located above the first connecting rod (6012), so that the surrounding frame (601) is fixed between the limit block (604) and the pressing block (602).

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