CN113710064A - Millimeter wave amplifier with protection structure and use method thereof - Google Patents
Millimeter wave amplifier with protection structure and use method thereof Download PDFInfo
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- CN113710064A CN113710064A CN202110989447.6A CN202110989447A CN113710064A CN 113710064 A CN113710064 A CN 113710064A CN 202110989447 A CN202110989447 A CN 202110989447A CN 113710064 A CN113710064 A CN 113710064A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000003321 amplification Effects 0.000 claims abstract description 35
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000013021 overheating Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 230000006641 stabilisation Effects 0.000 claims description 11
- 238000011105 stabilization Methods 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 230000005236 sound signal Effects 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/205—Heat-dissipating body thermally connected to heat generating element via thermal paths through printed circuit board [PCB]
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20263—Heat dissipaters releasing heat from coolant
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a millimeter wave amplifier with a protection structure and a using method thereof, the millimeter wave amplifier comprises a shell, a first through hole is arranged at the top of the shell, mounting rods are fixedly connected at the top of the inner wall of the shell and at four corners of the outer side of the first through hole, a circuit board is fixedly connected between the bottoms of the mounting rods, an overheating protection mechanism is arranged at the top of the shell and above the circuit board, and an input module, a circuit protection unit, a millimeter wave amplification unit and an output module are integrated at the bottom of the circuit board. And then can stabilize power supply circuit's output voltage, be favorable to practical use.
Description
Technical Field
The invention belongs to the field of millimeter wave amplifiers, and particularly relates to a millimeter wave amplifier with a protection structure and a using method thereof.
Background
In the existing life, with the rapid development of the communication technology field, the data communication capacity of voice, video and the like is increasingly expanded, which leads to the shortage of wireless frequency resources, in order to solve the problem, the millimeter wave becomes an excellent solution with the advantages of wide bandwidth, large communication capacity and the like, similarly, the high-power millimeter wave has huge requirements in the fields of civil use, military use, deep space exploration and the like, the electromagnetic wave with the wavelength of 1-10 mm is called millimeter wave, which is located in the wavelength range of overlapping of microwave and far infrared wave, thus having the characteristics of two wave spectrums, the theory and technology of the millimeter wave are respectively the extension of the microwave to high frequency and the development of the light to low frequency, the millimeter wave amplifier is an amplifying circuit for providing power to a load, a part of the millimeter wave amplifier is integrally installed on a circuit board, and the millimeter wave can be widely applied in an electronic system with the unique advantages thereof, and can produce special efficiency, and the amplifier is mainly used for the amplification of microwave radio frequency signals.
And present millimeter wave amplifier when carrying out actual use, its outside generally lacks overheated protection machanism, can't give off the heat that the millimeter wave amplifier produced at the during operation to overheat protection is carried out to the millimeter wave amplifier, and current millimeter wave amplifier lacks the safeguard measure inside circuit when using simultaneously, thereby in the use, can't carry out steady voltage and filtering to its inside electric current, and then leads to its output voltage not stable enough, is unfavorable for actual use.
The invention content is as follows:
the present invention is directed to a millimeter wave amplifier with a guard structure and a method for using the same, which solve the above-mentioned problems.
In order to solve the above problems, the present invention provides a technical solution:
a millimeter wave amplifier with a protection structure comprises a shell, wherein a first through hole is formed in the top of the shell, mounting rods are fixedly connected to the top of the inner wall of the shell and four corners of the inner wall of the shell, which are positioned outside the first through hole, a circuit board is fixedly connected between the bottoms of the mounting rods, an overheat protection mechanism is arranged on the top of the shell and above the circuit board, an input module, a circuit protection unit, a millimeter wave amplification unit and an output module are integrated at the bottom of the circuit board, the output end of the input module is electrically connected with the input end of the circuit protection unit, the output end of the circuit protection unit is electrically connected with the large input end of the millimeter wave amplification unit, and the output end of the millimeter wave amplification unit is electrically connected with the input end of the output module;
the input module is used for inputting millimeter wave sine envelope signals;
the circuit protection unit is used for stabilizing and filtering the millimeter wave sinusoidal envelope signal input by the input module;
the millimeter wave amplifying unit is an amplifying circuit used for providing power for an external load and is also used for amplifying a received microwave radio frequency signal;
and the output module is used for outputting the alternating voltage signal and the communication signal.
As preferred, overheated protection machanism includes the protective cover, there is the protective cover at the top of casing and the outside that is located first through-hole through screw connection, the reservoir has been seted up to the inside of protective cover, the bottom equidistance fixedly connected with cooling tube of protective cover, the inside of cooling tube all communicates with each other with the inside of reservoir, the bottom of cooling tube all runs through first through-hole and contacts with the top of circuit board, the one end fixedly connected with filling pipe at protective cover top, the second through-hole has been seted up at the top of protective cover, the inside fixed mounting of second through-hole has radiator fan, the inner wall of second through-hole just is located radiator fan's top equidistance fixedly connected with protection pole.
Preferably, the equal fixedly connected with mounting panel in both ends of casing bottom, the mounting panel all sets up to L type structure, the mounting hole has all been seted up at the top of mounting panel.
Preferably, one end of the shell is fixedly connected with a first binding post, and one end of the shell, which is far away from the first binding post, is fixedly connected with a second binding post.
Preferably, four corners of the top of the shell are fixedly connected with protection corners.
Preferably, the bottom of the shell is equidistantly provided with heat dissipation holes.
Preferably, the top of the filling pipe is in threaded connection with a sealing cover.
Preferably, the circuit protection unit comprises a voltage transformation protection module, a switch delay module and a filter protection module, wherein the output end of the input module is electrically connected with the input end of the voltage transformation protection module, the output end of the voltage transformation protection module is electrically connected with the input end of the switch delay module, and the output end of the switch delay module is electrically connected with the input end of the filter protection module;
the voltage transformation protection module is used for monitoring the working condition of a power supply system of the equipment and performing corresponding control operation according to a monitoring result;
the switch delay module is used for prolonging the time for switching on or off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in the direct current voltage, reserving the direct current components, reducing the ripple coefficient of the output voltage, smoothing the waveform, and filtering the current passing through the switch delay circuit.
Preferably, the millimeter wave amplification unit includes a coupling module, an output end of the filtering protection module is electrically connected to the coupling module, an output end of the coupling module is electrically connected to a power divider, an output end of the power divider is electrically connected to a first amplifier and a second amplifier respectively, an output end of the first amplifier is electrically connected to a first attenuator, an output end of the first attenuator is electrically connected to a frequency doubler, an output end of the frequency doubler is electrically connected to a millimeter wave detection module and a millimeter wave power amplification module respectively, an output end of the millimeter wave detection module is electrically connected to a control module, an output end of the control module is electrically connected to an input end of the millimeter wave power amplification module, an output end of the millimeter wave power amplification module is connected to an input end of the output module, and an output end of the second amplifier is electrically connected to a second attenuator, the output end of the second attenuator is electrically connected with a quartering frequency divider, and the output end of the quartering frequency divider is electrically connected with the input end of the output module;
the coupling module is used for equally dividing the millimeter wave sinusoidal envelope signals subjected to voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module for use, and dividing the energy of the millimeter wave sinusoidal envelope signal into two paths to output equal or unequal energy;
the first amplifier and the second amplifier are used for preliminarily amplifying the received envelope waveform signal;
the first attenuator and the second attenuator are used for adjusting the signal size in the circuit, reading the attenuation value of the tested network and improving impedance matching according to the read value;
the frequency doubler is used for adjusting the frequency of the output signal to be twice of the frequency of the input signal;
the millimeter wave detection module is used for outputting the envelope waveform signal in a voltage signal form;
the millimeter wave power amplifier module is used for carrying out secondary amplification on the received envelope waveform signal;
the control module is used for controlling the millimeter wave power amplifier module;
the four-frequency divider is used for distinguishing sound signals of different frequency bands and amplifying the sound signals respectively.
A use method of a millimeter wave amplifier with a guard structure comprises the following steps:
s1, installing and fixing the equipment through the installation plate and the installation hole, wiring the equipment through the first wiring terminal and the second wiring terminal, unscrewing the sealing cover, filling cooling liquid into the liquid storage tank through the filling pipe, enabling the cooling liquid to enter the radiating pipe, and sealing the sealing cover;
s2, electrifying the equipment, putting the equipment into use, communicating the circuit with the second binding post through the first binding post, simultaneously controlling the heat radiation fan to be electrified, blowing air to the circuit board through the heat radiation fan to finish the first step of heat radiation operation, and simultaneously taking away heat generated by the circuit board during working through cooling liquid in the heat radiation pipe to finish the second step of heat radiation operation;
s3, enabling the millimeter wave sinusoidal envelope signal to enter the interior of a circuit board through an input module, then carrying out voltage stabilization and filtering protection on the millimeter wave sinusoidal envelope signal through a circuit protection unit, then leading the millimeter wave sinusoidal envelope signal into the interior of a coupling module, equally dividing the millimeter wave sinusoidal envelope signal after voltage stabilization and filtering protection into two paths through the coupling module, matching with a power divider to divide the energy of the millimeter wave sinusoidal envelope signal into two paths to output equal or unequal energy, preliminarily amplifying the divided signals through a first amplifier and a second amplifier respectively, then carrying out signal size adjustment on the signals through a first attenuator and a second attenuator respectively, carrying out output signal frequency adjustment on the signals through a frequency doubler, then outputting the envelope waveform signal in a voltage signal form through a millimeter wave detection module or carrying out secondary amplification on the received envelope waveform signal through a millimeter wave power amplification module, finally, outputting through an output module;
and S4, the signals passing through the second attenuator are used for distinguishing the sound signals of different frequency bands through a quartering device, and are amplified respectively and finally output through an output module.
The invention has the beneficial effects that: according to the invention, the overheat protection mechanism is arranged at the top of the shell of the millimeter wave amplifier, so that heat generated in the equipment during working can be quickly radiated and protected, damage of internal elements of the equipment due to overheat is avoided, and meanwhile, the circuit protection unit is integrated on the circuit board in the equipment, so that voltage stabilization and filtering can be carried out on the current in the equipment, the output voltage of the power supply circuit can be stabilized, and the practical use is facilitated.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is a schematic diagram of the internal principle of the millimeter wave amplifier with the guard structure according to the present invention.
In the figure: 1. a housing; 2. mounting a plate; 3. mounting holes; 4. a first terminal post; 5. a second terminal; 6. a protection corner; 7. a first through hole; 8. mounting a rod; 9. a circuit board; 10. an overheat protection mechanism; 101. a protective cover; 102. a liquid storage tank; 103. a radiating pipe; 104. a filling pipe; 105. a sealing cover; 106. a second through hole; 107. a heat radiation fan; 108. a guard bar; 11. and (4) heat dissipation holes.
The specific implementation mode is as follows:
as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:
example (b):
a millimeter wave amplifier with a protection structure comprises a shell 1, wherein a first through hole 7 is formed in the top of the shell 1, mounting rods 8 are fixedly connected to the top of the inner wall of the shell 1 and four corners of the outer side of the first through hole 7, a circuit board 9 is fixedly connected between the bottoms of the mounting rods 8, and the circuit board 9 is conveniently and better mounted on the top of the inner wall of the shell 1 through the mounting rods 8; an overheat protection mechanism 10 is arranged at the top of the shell 1 and above the circuit board 9, an input module, a circuit protection unit, a millimeter wave amplification unit and an output module are integrated at the bottom of the circuit board 9, the output end of the input module is electrically connected with the input end of the circuit protection unit, the output end of the circuit protection unit is electrically connected with the large input end of the millimeter wave amplification unit, the output end of the millimeter wave amplification unit is electrically connected with the input end of the output module, a voltage signal is input into the equipment through the input module, then voltage stabilization and filtering protection are carried out through the circuit protection unit, amplification processing is carried out through the millimeter wave amplification unit, and finally output is carried out through the output module;
the input module is used for inputting millimeter wave sine envelope signals;
the circuit protection unit is used for stabilizing and filtering the millimeter wave sinusoidal envelope signal input by the input module;
the millimeter wave amplifying unit is an amplifying circuit used for providing power for an external load and is also used for amplifying a received microwave radio frequency signal;
and the output module is used for outputting the alternating voltage signal and the communication signal.
The overheating protection mechanism 10 comprises a protective cover 101, the protective cover 101 is connected to the top of the shell 1 and located on the outer side of the first through hole 7 through screws, a liquid storage tank 102 is formed in the protective cover 101, radiating pipes 103 are fixedly connected to the bottom of the protective cover 101 at equal intervals, and the radiating pipes 103 are made of copper-aluminum alloy materials, so that the heat exchange effect is better guaranteed; the interior of the radiating pipe 103 is communicated with the interior of the liquid storage tank 102, the bottom of the radiating pipe 103 penetrates through the first through hole 7 and contacts with the top of the circuit board 9, one end of the top of the protective cover 101 is fixedly connected with a filling pipe 104, the top of the protective cover 101 is provided with a second through hole 106, a radiating fan 107 is fixedly installed in the second through hole 106, protective rods 108 are fixedly connected to the inner wall of the second through hole 106 and located above the radiating fan 107 at equal intervals, and the second through hole 106 is protected better through the protective rods 108; through setting up overheated protection machanism 10, be convenient for better absorb the radiating heat of circuit board 9 during operation to carry out the overheat protection operation to it.
Wherein, the equal fixedly connected with mounting panel 2 in both ends of 1 bottom of casing, mounting panel 2 all sets up to L type structure, mounting hole 3 has all been seted up at mounting panel 2's top, is convenient for better fix equipment fixing on appointed position through mounting panel 2 and mounting hole 3.
Wherein, the one end fixedly connected with first terminal 4 of casing 1, the one end fixedly connected with second terminal 5 that first terminal 4 was kept away from to casing 1, through first terminal 4 and second terminal 5 be convenient for better carry out wiring circular telegram operation to equipment.
Wherein, the equal fixedly connected with in four corners at casing 1 top angle of protection 6 through setting up angle of protection 6, is convenient for better all protect the four corners at casing 1 top to avoid equipment to take place because of the condition that the collision caused the damage.
The bottom of the housing 1 is equidistantly provided with heat dissipation holes 11, and the heat dissipation holes 11 are conveniently matched with the heat dissipation fan 107 to form a heat dissipation air duct.
Wherein, the top of the filling pipe 104 is connected with a sealing cover 105 by screw thread, and the sealing cover 105 is convenient for better sealing operation of the filling pipe 104.
The circuit protection unit comprises a voltage transformation protection module, a switch delay module and a filter protection module, wherein the output end of the input module is electrically connected with the input end of the voltage transformation protection module, the output end of the voltage transformation protection module is electrically connected with the input end of the switch delay module, and the output end of the switch delay module is electrically connected with the input end of the filter protection module;
the voltage transformation protection module is used for monitoring the working condition of a power supply system of the equipment and performing corresponding control operation according to a monitoring result;
the switch delay module is used for prolonging the time for switching on or off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in the direct current voltage, reserving the direct current components, reducing the ripple coefficient of the output voltage, smoothing the waveform, and filtering the current passing through the switch delay circuit.
Wherein, the millimeter wave amplification unit comprises a coupling module, the output end of the filtering protection module is electrically connected with the coupling module, the output end of the coupling module is electrically connected with a power divider, the output end of the power divider is respectively electrically connected with a first amplifier and a second amplifier, the output end of the first amplifier is electrically connected with a first attenuator, the output end of the first attenuator is electrically connected with a frequency doubler, the output end of the frequency doubler is respectively electrically connected with a millimeter wave detection module and a millimeter wave power amplification module, the output end of the millimeter wave detection module is electrically connected with a control module, the output end of the control module is electrically connected with the input end of the millimeter wave power amplification module, the output end of the millimeter wave power amplification module is connected with the input end of the output module, the output end of the second amplifier is electrically connected with a second attenuator, the output end of the second attenuator is electrically connected with a quartering frequency divider, and the output end of the quartering frequency divider is electrically connected with the input end of the output module;
the coupling module is used for equally dividing the millimeter wave sinusoidal envelope signals subjected to voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module for use, and dividing the energy of the millimeter wave sinusoidal envelope signal into two paths to output equal or unequal energy;
the first amplifier and the second amplifier are used for preliminarily amplifying the received envelope waveform signal;
the first attenuator and the second attenuator are used for adjusting the signal size in the circuit, reading the attenuation value of the tested network and improving impedance matching according to the read value;
the frequency doubler is used for adjusting the frequency of the output signal to be twice of the frequency of the input signal;
the millimeter wave detection module is used for outputting the envelope waveform signal in a voltage signal form;
the millimeter wave power amplifier module is used for carrying out secondary amplification on the received envelope waveform signal;
the control module is used for controlling the millimeter wave power amplifier module;
the four-frequency divider is used for distinguishing sound signals of different frequency bands and amplifying the sound signals respectively.
A use method of a millimeter wave amplifier with a guard structure comprises the following steps:
s1, installing and fixing the equipment through the installation plate 2 and the installation hole 3, connecting the equipment through the first wiring terminal 4 and the second wiring terminal 5, unscrewing the sealing cover 105, filling cooling liquid into the liquid storage tank 102 through the filling pipe 104, enabling the cooling liquid to enter the radiating pipe 103, and then sealing the sealing cover 105;
s2, electrifying the equipment, putting the equipment into use, communicating the circuit with the second wiring terminal 5 through the first wiring terminal 4, simultaneously controlling the heat radiation fan 107 to be electrified, blowing air to the circuit board 9 through the heat radiation fan 107 to finish the first step of heat radiation operation, and simultaneously taking away heat generated during the work of the circuit board 9 through cooling liquid in the heat radiation pipe 103 to finish the second step of heat radiation operation;
s3, the millimeter wave sinusoidal envelope signal enters the circuit board 9 through the input module, then the millimeter wave sinusoidal envelope signal is subjected to voltage stabilization and filtering protection through the circuit protection unit, then the millimeter wave sinusoidal envelope signal is introduced into the coupling module, the millimeter wave sinusoidal envelope signal subjected to voltage stabilization and filtering protection is equally divided into two paths through the coupling module, the millimeter wave sinusoidal envelope signal energy is divided into two paths by matching with the power divider to output equal or unequal energy, the divided signals are respectively subjected to primary amplification through the first amplifier and the second amplifier, then the signals are respectively subjected to signal size adjustment through the first attenuator and the second attenuator, the signals passing through the first attenuator are subjected to output signal frequency adjustment through the frequency doubler, then the envelope waveform signal is output in a voltage signal form through the millimeter wave detection module or the received envelope waveform signal is subjected to secondary amplification through the millimeter wave power amplification module, finally, outputting through an output module;
and S4, the signals passing through the second attenuator are used for distinguishing the sound signals of different frequency bands through a quartering device, and are amplified respectively and finally output through an output module.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A millimeter wave amplifier with a protective structure is characterized in that the amplifier comprises a shell (1), a first through hole (7) is formed in the top of the shell (1), four corners of the top of the inner wall of the shell (1) and positioned outside the first through hole (7) are fixedly connected with mounting rods (8), a circuit board (9) is fixedly connected between the bottoms of the mounting rods (8), an overheating protection mechanism (10) is arranged at the top of the shell (1) and above the circuit board (9), the bottom of the circuit board (9) is integrated with an input module, a circuit protection unit, a millimeter wave amplification unit and an output module, the output end of the input module is electrically connected with the input end of the circuit protection unit, the output end of the circuit protection unit is electrically connected with the large input end of the millimeter wave amplification unit, and the output end of the millimeter wave amplification unit is electrically connected with the input end of the output module;
the input module is used for inputting millimeter wave sine envelope signals;
the circuit protection unit is used for stabilizing and filtering the millimeter wave sinusoidal envelope signal input by the input module;
the millimeter wave amplifying unit is an amplifying circuit used for providing power for an external load and is also used for amplifying a received microwave radio frequency signal;
and the output module is used for outputting the alternating voltage signal and the communication signal.
2. The millimeter wave amplifier with a protection structure according to claim 1, wherein the overheat protection mechanism (10) comprises a protection cover (101), the top of the housing (1) is connected with the protection cover (101) at the outer side of the first through hole (7) through a screw, a liquid storage tank (102) is formed in the protection cover (101), the bottom of the protection cover (101) is fixedly connected with a heat dissipation pipe (103) at an equal distance, the interior of the heat dissipation pipe (103) is communicated with the interior of the liquid storage tank (102), the bottom of the heat dissipation pipe (103) penetrates through the first through hole (7) and is in contact with the top of the circuit board (9), one end of the top of the protection cover (101) is fixedly connected with a filling pipe (104), the top of the protection cover (101) is provided with a second through hole (106), and a heat dissipation fan (107) is fixedly installed in the second through hole (106), the inner wall of the second through hole (106) is fixedly connected with a guard bar (108) which is positioned above the heat radiation fan (107) at equal intervals.
3. The millimeter wave amplifier with a protection structure according to claim 1, wherein the mounting plates (2) are fixedly connected to both ends of the bottom of the housing (1), the mounting plates (2) are all arranged in an L-shaped structure, and the mounting holes (3) are formed in the tops of the mounting plates (2).
4. The millimeter wave amplifier with a protection structure according to claim 1, wherein a first terminal (4) is fixedly connected to one end of the housing (1), and a second terminal (5) is fixedly connected to one end of the housing (1) far away from the first terminal (4).
5. The millimeter wave amplifier with a protective structure according to claim 1, characterized in that a protective corner (6) is fixedly connected to each of four corners of the top of the housing (1).
6. The millimeter wave amplifier with a protection structure according to claim 1, wherein the bottom of the housing (1) is equidistantly provided with heat dissipation holes (11).
7. A millimeter wave amplifier with shielding structure according to claim 2, wherein a sealing cover (105) is screwed on the top of said filler pipe (104).
8. The millimeter wave amplifier with a protection structure according to claim 1, wherein the circuit protection unit comprises a transformer protection module, a switch delay module and a filter protection module, an output terminal of the input module is electrically connected to an input terminal of the transformer protection module, an output terminal of the transformer protection module is electrically connected to an input terminal of the switch delay module, and an output terminal of the switch delay module is electrically connected to an input terminal of the filter protection module;
the voltage transformation protection module is used for monitoring the working condition of a power supply system of the equipment and performing corresponding control operation according to a monitoring result;
the switch delay module is used for prolonging the time for switching on or off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in the direct current voltage, reserving the direct current components, reducing the ripple coefficient of the output voltage, smoothing the waveform, and filtering the current passing through the switch delay circuit.
9. The millimeter wave amplifier with protection structure according to claim 1, wherein the millimeter wave amplifier unit comprises a coupling module, the output terminal of the filter protection module is electrically connected to the coupling module, the output terminal of the coupling module is electrically connected to a power divider, the output terminals of the power divider are electrically connected to a first amplifier and a second amplifier, respectively, the output terminal of the first amplifier is electrically connected to a first attenuator, the output terminal of the first attenuator is electrically connected to a frequency doubler, the output terminal of the frequency doubler is electrically connected to a millimeter wave detection module and a millimeter wave power amplification module, respectively, the output terminal of the millimeter wave detection module is electrically connected to a control module, the output terminal of the control module is electrically connected to the input terminal of the millimeter wave power amplification module, and the output terminal of the millimeter wave power amplification module is connected to the input terminal of the output module, the output end of the second amplifier is electrically connected with a second attenuator, the output end of the second attenuator is electrically connected with a quartering device, and the output end of the quartering device is electrically connected with the input end of the output module;
the coupling module is used for equally dividing the millimeter wave sinusoidal envelope signals subjected to voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module for use, and dividing the energy of the millimeter wave sinusoidal envelope signal into two paths to output equal or unequal energy;
the first amplifier and the second amplifier are used for preliminarily amplifying the received envelope waveform signal;
the first attenuator and the second attenuator are used for adjusting the signal size in the circuit, reading the attenuation value of the tested network and improving impedance matching according to the read value;
the frequency doubler is used for adjusting the frequency of the output signal to be twice of the frequency of the input signal;
the millimeter wave detection module is used for outputting the envelope waveform signal in a voltage signal form;
the millimeter wave power amplifier module is used for carrying out secondary amplification on the received envelope waveform signal;
the control module is used for controlling the millimeter wave power amplifier module;
the four-frequency divider is used for distinguishing sound signals of different frequency bands and amplifying the sound signals respectively.
10. The method for using a millimeter wave amplifier with a guard structure according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, installing and fixing the equipment through the installation plate (2) and the installation hole (3), connecting the equipment through the first wiring terminal (4) and the second wiring terminal (5), unscrewing the sealing cover (105), filling cooling liquid into the liquid storage tank (102) through the filling pipe (104), enabling the cooling liquid to enter the radiating pipe (103), and then sealing the sealing cover (105);
s2, electrifying the equipment, putting the equipment into use, communicating a circuit with a second wiring terminal (5) through a first wiring terminal (4), controlling a cooling fan (107) to be electrified, blowing air to a circuit board (9) through the cooling fan (107) to finish the first step of cooling operation, and simultaneously taking away heat generated when the circuit board (9) works through cooling liquid in a cooling pipe (103) to finish the second step of cooling operation;
s3, the millimeter wave sinusoidal envelope signal enters the inside of a circuit board (9) through an input module, then the millimeter wave sinusoidal envelope signal is subjected to voltage stabilization and filtering protection through a circuit protection unit, then the millimeter wave sinusoidal envelope signal is introduced into a coupling module, the millimeter wave sinusoidal envelope signal subjected to voltage stabilization and filtering protection is divided into two paths through the coupling module, the energy of the millimeter wave sinusoidal envelope signal is divided into two paths by matching with a power divider, the two paths of energy are output to be equal or unequal, the signals after the division are respectively subjected to primary amplification through a first amplifier and a second amplifier, then the signals are respectively subjected to signal size adjustment through a first attenuator and a second attenuator, the signal passing through the first attenuator is subjected to output signal frequency adjustment through a frequency doubler, then the envelope waveform signal is output in a voltage signal form through a millimeter wave detection module or the received envelope waveform signal is subjected to secondary amplification through a millimeter wave power amplification module, finally, outputting through an output module;
and S4, the signals passing through the second attenuator are used for distinguishing the sound signals of different frequency bands through a quartering device, and are amplified respectively and finally output through an output module.
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| CN202110989447.6A CN113710064B (en) | 2021-08-26 | 2021-08-26 | Millimeter wave amplifier with protection structure and use method thereof |
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| US10643962B1 (en) * | 2013-02-20 | 2020-05-05 | Micro Mobio Corporation | World band radio frequency front end module, system and method of power sensing thereof |
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