CN219224945U - Microwave cable assembly shielding effectiveness measuring device - Google Patents
Microwave cable assembly shielding effectiveness measuring device Download PDFInfo
- Publication number
- CN219224945U CN219224945U CN202222104619.XU CN202222104619U CN219224945U CN 219224945 U CN219224945 U CN 219224945U CN 202222104619 U CN202222104619 U CN 202222104619U CN 219224945 U CN219224945 U CN 219224945U
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- China
- Prior art keywords
- base
- cable assembly
- microwave cable
- wall
- fan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 3
- 230000005674 electromagnetic induction Effects 0.000 description 11
- 230000005672 electromagnetic field Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a microwave cable assembly shielding effectiveness measuring device which comprises a base, wherein the base is made of a metal material with good conductivity and hardness meeting working requirements, a heat dissipation mechanism is arranged on the outer wall of the base, the base comprises a spiral coil, wire piles are fixedly arranged at two ends of the spiral coil, and the base and the wire piles are in a fixed connection relationship. The outer wall fixedly connected with subframe of base, the top fixed mounting of subframe has the circuit board, the bolt hole has been seted up to the outer wall of base. According to the utility model, the fan is driven by the motor to rotate, and the fan drives air to circulate, so that the fan can conveniently convey external cooling air to the surface of the circuit board in time through the radiating window, the air circulation rate of the surface of the circuit board is increased, and further, the heat generated by electromagnetic radiation of the microwave cable assembly is rapidly cooled, and a good working environment is provided for the microwave cable assembly.
Description
Technical Field
The utility model relates to the technical field of cable measurement, in particular to a device for measuring shielding effectiveness of a microwave cable assembly.
Background
The cable assembly is widely applied to the fields of electric automobiles, electric power communication, aerospace, naval vessels, military industry and the like. During the transmission switching process, a large amount of radio frequency interference signals can be generated, serious electromagnetic pollution and electromagnetic interference are caused to the use environment, and the shielded cable is a problem which is still under intense study. In reality, cable assembly produces a large amount of electromagnetic radiation in the course of the work, and electromagnetic radiation is colorless odorless, hardly in time discovers by the staff, not only causes the electric energy extravagant, and a large amount of electromagnetic radiation produces the vortex in the conductor, causes cable assembly to produce a large amount of heats, and then has influenced the operational environment of electrical components.
For this purpose, a device for measuring shielding effectiveness of a microwave cable assembly is provided.
Disclosure of Invention
The present utility model is directed to a device for measuring shielding effectiveness of a microwave cable assembly, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a microwave cable subassembly shielding effectiveness measuring device, this equipment rated frequency 30MHz-18GHZ, rated decibel 120dB, including the base, the base is the metal material that conductivity is good, and hardness satisfies the work demand, the outer wall of base is provided with heat dissipation mechanism, the base includes spiral coil, spiral coil's both ends fixed mounting has the wire stake, base and wire stake are fixed connection relation.
Preferably, the outer wall fixedly connected with subframe of base, the top fixed mounting of subframe has the circuit board, the bolt hole has been seted up to the outer wall of base.
Preferably, the heat dissipation mechanism comprises a main beam, and a motor is fixedly arranged on the outer wall of the main beam.
Preferably, a fan is fixedly connected to the bottom of the motor, and a radiating window is rotatably connected to the outer wall of the fan.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is through line and electric device circular telegram operation fixed on the surface of the circuit board, because the circular telegram conductor produces the electromagnetic field that produces the variation along with the change of the internal current, the varying electromagnetism has innumerable electromagnetic induction lines to form, while changing the electromagnetic induction line, because spiral coil, wire pile and base head and tail stationary phase link into a closed circuit, electromagnetic induction line cuts the spiral coil, the spiral coil produces the electromotive force of magnetic induction inside, and then produces the electric current, the electric current enters the electrical machinery through the girder, drive the electrical machinery to rotate, thus achieve and reduce the microwave cable assembly to produce electromagnetic radiation through the spiral coil, detect the magnitude of the electromagnetic radiation produced by the microwave cable assembly through the rotational speed of the electrical machinery at the same time;
2. according to the utility model, the fan is driven by the motor to rotate, and the fan drives air to circulate, so that the fan can conveniently convey external cooling air to the surface of the circuit board in time through the radiating window, the air circulation rate of the surface of the circuit board is increased, and further, the heat generated by electromagnetic radiation of the microwave cable assembly is rapidly cooled, and a good working environment is provided for the microwave cable assembly.
Drawings
FIG. 1 is a schematic overall structure of the present utility model;
FIG. 2 is a side view of the entirety of the present utility model;
FIG. 3 is an overall elevation view of the present utility model;
FIG. 4 is a top view of the entirety of the present utility model;
fig. 5 is a cross-sectional view taken along the direction A-A in fig. 4 in accordance with the present utility model.
In the figure:
1. a base; 11. a spiral coil; 12. conducting wire piles; 13. a sub-frame; 14. a circuit board; 15. bolt holes; 2. a heat dissipation mechanism; 21. a main beam; 22. a motor; 23. a fan; 24. and a heat radiation window.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution:
the utility model provides a microwave cable subassembly shielding effectiveness measuring device, this equipment rated frequency 30MHz-18GHZ, rated decibel 120dB, including base 1, base 1 is the metal material that conductivity is good, and hardness satisfies the work demand, the outer wall of base 1 is provided with cooling mechanism 2.
As an embodiment of the present utility model, as shown in fig. 1 to 3, the base 1 includes a spiral coil 11, two ends of the spiral coil 11 are fixedly provided with wire piles 12, and the base 1 and the wire piles 12 are in a fixed connection relationship;
the outer wall of the base 1 is fixedly connected with a sub-frame 13, a circuit board 14 is fixedly arranged at the top of the sub-frame 13, and a bolt hole 15 is formed in the outer wall of the base 1;
when the electromagnetic induction type microwave cable assembly is in operation, a circuit fixed on the surface of the circuit board 14 and an electric device are electrified, an electromagnetic field which changes along with the change of internal current is generated by an electrified conductor, the changing electromagnetic field is composed of countless electromagnetic induction wires, the changing electromagnetic induction wires are connected into a closed circuit through the spiral coil 11, the wire pile 12 and the head and tail fixing phases of the base 1, the electromagnetic induction wires cut the spiral coil 11, magnetic induction electromotive force is generated in the spiral coil 11, current is further generated, the current enters the motor 22 through the main beam 21, and the motor 22 is driven to rotate, so that electromagnetic radiation generated by the microwave cable assembly is reduced through the spiral coil 11, and meanwhile, the size of the electromagnetic radiation generated by the microwave cable assembly is detected through the rotating speed of the motor 22.
As an embodiment of the present utility model, as shown in fig. 3 to 5, the heat dissipation mechanism 2 includes a main beam 21, and a motor 22 is fixedly installed on an outer wall of the main beam 21;
a fan 23 is fixedly connected to the bottom of the motor 22, and a radiating window 24 is rotatably connected to the outer wall of the fan 23;
when the microwave electric cable assembly works, the motor 22 drives the fan 23 to rotate, the fan 23 drives air to circulate, so that the fan 23 can timely convey external cooling air to the surface of the circuit board 14 through the radiating window 24, the air circulation rate of the surface of the circuit board 14 is increased, heat generated by electromagnetic radiation of the microwave electric cable assembly is rapidly cooled, and a good working environment is provided for the microwave electric cable assembly.
Working principle: when the electromagnetic induction type microwave cable assembly works, a circuit fixed on the surface of the circuit board 14 and an electric device are electrified, because an electrified conductor generates an electromagnetic field which changes along with the change of internal current, the changing electromagnetic field is composed of innumerable electromagnetic induction wires, and when the changing electromagnetic induction wires change, the spiral coil 11, the wire pile 12 and the head and tail fixing phases of the base 1 are connected into a closed circuit, the electromagnetic induction wires cut the spiral coil 11, magnetic induction electromotive force is generated inside the spiral coil 11, current is further generated, the current enters the motor 22 through the main beam 21, and the motor 22 is driven to rotate, so that electromagnetic radiation generated by the microwave cable assembly is reduced through the spiral coil 11, and meanwhile, the size of the electromagnetic radiation generated by the microwave cable assembly is detected through the rotating speed of the motor 22;
the motor 22 drives the fan 23 to rotate, and the fan 23 drives air circulation, so that the fan 23 can timely convey external cooling air to the surface of the circuit board 14 through the radiating window 24, the air circulation rate of the surface of the circuit board 14 is increased, heat generated by electromagnetic radiation of the microwave cable assembly is rapidly cooled, and a good working environment is provided for the microwave cable assembly.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a microwave cable subassembly shielding effectiveness measuring device, includes base (1), its characterized in that: the outer wall of base (1) is provided with heat dissipation mechanism (2), base (1) include spiral coil (11), the both ends fixed mounting of spiral coil (11) have wire stake (12).
2. The microwave cable assembly shielding effectiveness measurement device according to claim 1, wherein: the outer wall fixedly connected with subframe (13) of base (1), the top fixed mounting of subframe (13) has circuit board (14), bolt hole (15) have been seted up to the outer wall of base (1).
3. The microwave cable assembly shielding effectiveness measurement device according to claim 1, wherein: the heat dissipation mechanism (2) comprises a main beam (21), and a motor (22) is fixedly arranged on the outer wall of the main beam (21).
4. A microwave cable assembly shielding effectiveness measurement apparatus according to claim 3 wherein: the bottom of motor (22) fixedly connected with fan (23), the outer wall of fan (23) rotates and is connected with heat dissipation window (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104619.XU CN219224945U (en) | 2022-08-10 | 2022-08-10 | Microwave cable assembly shielding effectiveness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104619.XU CN219224945U (en) | 2022-08-10 | 2022-08-10 | Microwave cable assembly shielding effectiveness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219224945U true CN219224945U (en) | 2023-06-20 |
Family
ID=86754347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222104619.XU Expired - Fee Related CN219224945U (en) | 2022-08-10 | 2022-08-10 | Microwave cable assembly shielding effectiveness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219224945U (en) |
-
2022
- 2022-08-10 CN CN202222104619.XU patent/CN219224945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230620 |