CN113710064B - 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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- CN113710064B CN113710064B CN202110989447.6A CN202110989447A CN113710064B CN 113710064 B CN113710064 B CN 113710064B CN 202110989447 A CN202110989447 A CN 202110989447A CN 113710064 B CN113710064 B CN 113710064B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 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
- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000005236 sound signal Effects 0.000 claims description 6
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 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
- 230000005855 radiation Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000005516 engineering process Methods 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 use method thereof, the millimeter wave amplifier comprises a shell, 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 located 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, and an input module, a circuit protection unit, a millimeter wave amplifying unit and an output module are integrated on the bottom of the circuit board.
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 use method thereof.
Background
In the prior art, with the rapid development of the communication technical field, the data communication capacity of voice, video and the like is increasingly expanded, so that the wireless frequency resource is short, in order to solve the problem, millimeter waves become an excellent solution with the advantages of wide bandwidth, large communication capacity and the like, and also, high-power millimeter waves have great demands in the fields of civil use, military use, deep space detection and the like, electromagnetic waves with the wavelength of 1-10 millimeters are called millimeter waves, which are positioned in the wavelength range where microwaves and far infrared waves intersect, so that the millimeter waves have the characteristics of two spectrums, the theory and the technology of the millimeter waves are respectively the extension of microwaves to high frequencies and the development of light waves to low frequencies, a millimeter wave amplifier is an amplifying circuit for providing power for loads, and a part of millimeter wave amplifiers are integrally arranged on a circuit board, and the millimeter waves can be widely applied in an electronic system with the unique advantages of the millimeter waves and can generate special efficiency.
The prior millimeter wave amplifier is generally lack of an overheat protection mechanism when in actual use, and cannot emit heat generated by the millimeter wave amplifier during operation, so that the millimeter wave amplifier is overheat protected, and meanwhile, the prior millimeter wave amplifier is lack of protection measures for an internal circuit, so that in the use process, the internal current cannot be stabilized and filtered, and the output voltage is not stable enough, so that the prior millimeter wave amplifier is unfavorable for actual use.
The invention comprises the following steps:
the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a millimeter wave amplifier with a protection structure and a method for using the same, which solve the problems mentioned in the background art.
In order to solve the problems, the invention provides a technical scheme that:
the millimeter wave amplifier with the 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 positioned 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 overheat protection mechanism is arranged on the top of the shell and positioned 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 sinusoidal 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 used for providing power for an external load and amplifying a received microwave radio frequency signal;
the output module is used for outputting alternating voltage signals and communication signals.
Preferably, the overheat protection mechanism comprises a protection cover, the top of the shell and the outside that is located the first through hole are connected with the protection cover through a screw, the reservoir has been seted up to the inside of protection cover, the bottom equidistance fixedly connected with cooling tube of protection 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 of protection cover top, the second through hole has been seted up at the top of protection cover, the inside fixed mounting of second through hole has radiator fan, the inner wall of second through hole and the top equidistance fixedly connected with guard bar that is located radiator fan.
Preferably, the mounting plates are fixedly connected to the two ends of the bottom of the shell, the mounting plates are of L-shaped structures, and mounting holes are formed in the tops of the mounting plates.
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, the four corners at the top of the shell are fixedly connected with protection angles.
Preferably, the bottom of the shell is provided with heat dissipation holes at equal intervals.
Preferably, the top of the filling pipe is connected with a sealing cover in a threaded manner.
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 transformation protection module is used for monitoring the working condition of the equipment power supply system and making corresponding control operation according to the monitoring result;
the switch delay module is used for prolonging the time of switching on or switching off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in direct current voltage, retaining the direct current components, reducing the ripple coefficient of output voltage, smoothing the waveform, and carrying out filtering treatment on the current after passing through the switch delay circuit.
Preferably, the millimeter wave amplifying 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 an active power divider, the output end of the active power divider is electrically connected with a first amplifier and a second amplifier respectively, 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 electrically connected with a millimeter wave detection module and a millimeter wave power amplifier module respectively, 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 amplifier module, the output end of the millimeter wave power amplifier 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 frequency divider, and the output end of the frequency doubler is electrically connected with the input end of the output module.
The coupling module is used for uniformly dividing the millimeter wave sinusoidal envelope signal after voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module to divide millimeter wave sinusoidal envelope signal energy into two paths of energy with equal or unequal output;
the first amplifier and the second amplifier are used for primarily amplifying the received envelope waveform signals;
the first attenuator and the second attenuator are both used for adjusting the size of signals in the circuit, simultaneously reading attenuation values of the tested network, and improving impedance matching according to the read values;
the frequency doubler is used for adjusting the frequency of the output signal to be twice the frequency of the input signal;
the millimeter wave detection module is used for outputting envelope waveform signals in the form of voltage signals;
the millimeter wave power amplification 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 dividers are used for distinguishing sound signals in different frequency bands and amplifying the sound signals respectively.
The application method of the millimeter wave amplifier with the protection structure comprises the following steps:
s1, mounting and fixing equipment through a mounting plate and a mounting hole, wiring the equipment through a first binding post and a second binding post, unscrewing a sealing cover, filling cooling liquid into a liquid storage tank through a filling pipe, enabling the cooling liquid to enter the cooling pipe, and sealing the sealing cover;
s2, electrifying the equipment, enabling the circuit to be communicated with the second binding post through the first binding post, controlling the heat radiation fan to electrify, blowing air to the circuit board through the heat radiation fan, completing the first-step heat radiation operation, and taking away heat generated when the circuit board works through cooling liquid in the heat radiation pipe, and completing the second-step heat radiation operation;
s3, millimeter wave sinusoidal envelope signals enter the circuit board through the input module, are stabilized and filtered through the circuit protection unit, are then introduced into the coupling module, the millimeter wave sinusoidal envelope signals after being stabilized and filtered are uniformly divided into two paths through the coupling module, the millimeter wave sinusoidal envelope signals are divided into two paths by matching with the power divider to output equal or unequal energy, the signals after being divided are respectively subjected to preliminary amplification through the first amplifier and the second amplifier, then are respectively subjected to signal size adjustment through the first attenuator and the second attenuator, are subjected to output signal frequency adjustment through the second attenuator, are output in the form of voltage signals through the millimeter wave detection module, are subjected to secondary amplification through the millimeter wave power amplification module, and are finally output through the output module;
s4, the signals passing through the second attenuator are distinguished through the four frequency dividers, amplified respectively and finally output through the output module.
The beneficial effects of the invention are as follows: 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 during the internal work of the equipment can be rapidly subjected to heat dissipation protection treatment, the damage to the internal elements of the equipment caused by overheat is avoided, and meanwhile, the circuit protection unit is integrated on the circuit board in the equipment, so that the internal current can be stabilized and filtered, 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 of FIG. 1 at A;
fig. 4 is a schematic diagram of the internal principle of the millimeter wave amplifier with the protection structure of the present invention.
In the figure: 1. a housing; 2. a mounting plate; 3. a mounting hole; 4. a first terminal; 5. a second binding post; 6. a protection angle; 7. a first through hole; 8. a mounting rod; 9. a circuit board; 10. an overheat protection mechanism; 101. a protective cover; 102. a liquid storage tank; 103. a heat radiating pipe; 104. a filling pipe; 105. sealing cover; 106. a second through hole; 107. a heat radiation fan; 108. a protective rod; 11. and the heat dissipation holes.
The specific embodiment is as follows:
as shown in fig. 1-4, the present embodiment adopts the following technical scheme:
examples:
the millimeter wave amplifier with the 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 located on 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; the circuit board 9 is integrated with an input module, a circuit protection unit, a millimeter wave amplifying unit and an output module at the bottom of the circuit board 9, wherein 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 amplifying unit, the output end of the millimeter wave amplifying unit is electrically connected with the input end of the output module, a voltage signal is input into the device through the input module, then voltage stabilization and filtering protection are carried out through the circuit protection unit, amplification treatment is carried out through the millimeter wave amplifying unit, and finally output is carried out through the output module;
the input module is used for inputting millimeter wave sinusoidal 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 used for providing power for an external load and amplifying a received microwave radio frequency signal;
the output module is used for outputting alternating voltage signals and communication signals.
The overheat protection mechanism 10 comprises a protection cover 101, the top of the shell 1 is connected with the protection cover 101 through screws and positioned at the outer side of the first through hole 7, a liquid storage tank 102 is arranged in the protection cover 101, radiating pipes 103 are fixedly connected to the bottom of the protection 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 inside of the radiating pipe 103 is communicated with the inside of the liquid storage tank 102, the bottom of the radiating 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 protective cover 101 is fixedly connected with the filling pipe 104, the top of the protective cover 101 is provided with the second through hole 106, the inside of the second through hole 106 is fixedly provided with the radiating fan 107, the inner wall of the second through hole 106 is fixedly connected with the protective rods 108 above the radiating fan 107 at equal intervals, and the second through hole 106 is conveniently and better protected through the protective rods 108; by arranging the overheat protection mechanism 10, the heat dissipated during the operation of the circuit board 9 is absorbed conveniently, so that overheat protection operation is performed on the circuit board.
Wherein, the equal fixedly connected with mounting panel 2 in both ends of casing 1 bottom, mounting panel 2 all sets up to L type structure, mounting hole 3 has all been seted up at the top of mounting panel 2, is convenient for better fix equipment installation 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 of first terminal 4 is kept away from to casing 1, is convenient for better to the equipment through first terminal 4 and second terminal 5 carry out wiring circular telegram operation.
Wherein, the equal fixedly connected with protection angle 6 in four corners at casing 1 top is through setting up protection angle 6, and the better four corners at casing 1 top of being convenient for all protects to avoid equipment to cause the condition emergence of damage because of the collision.
Wherein, the bottom of the shell 1 is equidistantly provided with heat dissipation holes 11, and the heat dissipation holes 11 are convenient to be matched with the heat dissipation fan 107 to form a heat dissipation air channel.
The top of the filling pipe 104 is in threaded connection with a sealing cover 105, and the sealing cover 105 facilitates better sealing operation on the filling pipe 104.
The circuit protection unit comprises a voltage transformation protection module, a switch delay module and a filtering 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 filtering protection module;
the transformation protection module is used for monitoring the working condition of the equipment power supply system and making corresponding control operation according to the monitoring result;
the switch delay module is used for prolonging the time of switching on or switching off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in direct current voltage, retaining the direct current components, reducing the ripple coefficient of output voltage, smoothing the waveform, and carrying out filtering treatment on the current after passing through the switch delay circuit.
The millimeter wave amplifying unit comprises a coupling module, wherein 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 an active power divider, the output end of the active power divider is electrically connected with a first amplifier and a second amplifier respectively, 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 electrically connected with a millimeter wave detection module and a millimeter wave power amplifier module respectively, 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 amplifier module, the output end of the millimeter wave power amplifier 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 four frequency divider, and the output end of the four frequency dividers is electrically connected with the input end of the output module;
the coupling module is used for uniformly dividing the millimeter wave sinusoidal envelope signal after voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module to divide millimeter wave sinusoidal envelope signal energy into two paths of energy with equal or unequal output;
the first amplifier and the second amplifier are used for primarily amplifying the received envelope waveform signals;
the first attenuator and the second attenuator are both used for adjusting the size of signals in the circuit, simultaneously reading attenuation values of the tested network, and improving impedance matching according to the read values;
the frequency doubler is used for adjusting the frequency of the output signal to be twice the frequency of the input signal;
the millimeter wave detection module is used for outputting envelope waveform signals in the form of voltage signals;
the millimeter wave power amplification 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 dividers are used for distinguishing sound signals in different frequency bands and amplifying the sound signals respectively.
The application method of the millimeter wave amplifier with the protection structure comprises the following steps:
s1, mounting and fixing equipment through a mounting plate 2 and a mounting hole 3, wiring the equipment through a first binding post 4 and a second binding post 5, unscrewing a sealing cover 105, filling cooling liquid into a liquid storage tank 102 through a filling pipe 104, allowing the cooling liquid to enter the cooling pipe 103, and sealing the sealing cover 105;
s2, electrifying the equipment, enabling a circuit to be communicated with the second binding post 5 through the first binding post 4, controlling the electrifying of the cooling fan 107, blowing air to the circuit board 9 through the cooling fan 107, completing a first-step cooling operation, and taking away heat generated when the circuit board 9 works through cooling liquid in the cooling pipe 103, thus completing a second-step cooling operation;
s3, millimeter wave sinusoidal envelope signals enter the circuit board 9 through an input module, are stabilized and filtered through a circuit protection unit, are then introduced into a coupling module, the millimeter wave sinusoidal envelope signals after being stabilized and filtered are divided into two paths through the coupling module, the millimeter wave sinusoidal envelope signals are divided into two paths by matching with a power divider to output equal or unequal energy, the signals after being divided are respectively amplified primarily through a first amplifier and a second amplifier, then are subjected to signal size adjustment through a first attenuator and a second attenuator, are subjected to output signal frequency adjustment through a frequency multiplier through the first attenuator, are output in the form of voltage signals through a millimeter wave detection module or are subjected to secondary amplification through a millimeter wave power amplification module, and are finally output through an output module;
s4, the signals passing through the second attenuator are distinguished through the four frequency dividers, amplified respectively and finally output through the output module.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," "fourth," and the like 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 features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The millimeter wave amplifier with the protection structure is characterized by comprising 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 are positioned at 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), an overheat protection mechanism (10) is arranged on 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, and the output end of the circuit protection unit is electrically connected with the large input end of the millimeter wave amplification unit;
the input module is used for inputting millimeter wave sinusoidal 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 used for providing power for an external load and amplifying a received microwave radio frequency signal;
the output module is used for outputting alternating voltage signals and communication signals;
the overheat protection mechanism (10) comprises a protection cover (101), the top of the shell (1) is connected with the protection cover (101) through a screw, a liquid storage tank (102) is arranged in the protection cover (101), radiating pipes (103) are fixedly connected to the bottom of the protection cover (101) at equal intervals, the interiors of the radiating pipes (103) are communicated with the interiors of the liquid storage tank (102), the bottoms of the radiating pipes (103) penetrate through the first through hole (7) and are contacted 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), a second through hole (106) is formed in the top of the protection cover (101), and a radiating fan (107) is fixedly arranged in the second through hole (106), and a protection rod (108) is fixedly connected to the inner wall of the second through hole (106) and is positioned above the radiating fan (107) at equal intervals;
the circuit protection unit comprises a voltage transformation protection module, a switch delay module and a filtering protection module, wherein the output end of the input module is electrically connected with the input end of the voltage transformation protection module;
the transformation protection module is used for monitoring the working condition of the equipment power supply system and making corresponding control operation according to the monitoring result;
the switch delay module is used for prolonging the time of switching on or switching off the power supply of the millimeter wave amplifier;
the filtering protection module is used for reducing alternating current components in direct current voltage, retaining the direct current components, reducing the ripple coefficient of output voltage, smoothing the waveform, and filtering the current after passing through the switch delay module;
the millimeter wave amplifying 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 an active power divider, the output end of the active power divider is electrically connected with a first amplifier and a second amplifier respectively, 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 electrically connected with a millimeter wave detection module and a millimeter wave power amplifier module respectively, 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 amplifier module, the output end of the millimeter wave power amplifier 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 four frequency divider, and the output end of the four frequency dividers is electrically connected with the input end of the output module;
the coupling module is used for uniformly dividing the millimeter wave sinusoidal envelope signal after voltage stabilization and filtering protection into two paths;
the power divider is used for being matched with the coupling module to divide millimeter wave sinusoidal envelope signal energy into two paths of energy with equal or unequal output;
the first amplifier and the second amplifier are used for primarily amplifying the received envelope waveform signals;
the first attenuator and the second attenuator are both used for adjusting the size of signals in the circuit, simultaneously reading attenuation values of the tested network, and improving impedance matching according to the read values;
the frequency doubler is used for adjusting the frequency of the output signal to be twice the frequency of the input signal;
the millimeter wave detection module is used for outputting envelope waveform signals in the form of voltage signals;
the millimeter wave power amplification 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 dividers are used for distinguishing sound signals in different frequency bands and amplifying the sound signals respectively.
2. The millimeter wave amplifier with the protection structure according to claim 1, wherein the two ends of the bottom of the shell (1) are fixedly connected with mounting plates (2), the mounting plates (2) are all arranged into L-shaped structures, and mounting holes (3) are formed in the tops of the mounting plates (2).
3. The millimeter wave amplifier with the protection structure according to claim 1, wherein one end of the housing (1) is fixedly connected with a first binding post (4), and one end of the housing (1) away from the first binding post (4) is fixedly connected with a second binding post (5).
4. The millimeter wave amplifier with the protection structure according to claim 1, wherein protection angles (6) are fixedly connected to four corners of the top of the shell (1).
5. The millimeter wave amplifier with the protection structure according to claim 1, wherein the bottom of the shell (1) is provided with heat dissipation holes (11) at equal intervals.
6. A millimeter wave amplifier with a protective structure according to claim 2, characterized in that the top of the filler pipe (104) is screwed with a sealing cap (105).
7. A method of using a millimeter wave amplifier having a guard structure according to any one of claims 1-6, comprising the steps of:
s1, mounting and fixing equipment through a mounting plate (2) and a mounting hole (3), wiring the equipment through a first wiring terminal (4) and a second wiring terminal (5), unscrewing a sealing cover (105), filling cooling liquid into a liquid storage tank (102) through a filling pipe (104), enabling the cooling liquid to enter the cooling pipe (103), and sealing the sealing cover (105);
s2, electrifying the equipment, enabling the circuit to be communicated with the second binding post (5) through the first binding post (4), controlling the electrifying of the cooling fan (107), blowing air to the circuit board (9) through the cooling fan (107), completing a first-step cooling operation, and simultaneously taking away heat generated when the circuit board (9) works through cooling liquid in the cooling pipe (103), and completing a second-step cooling operation;
s3, millimeter wave sinusoidal envelope signals enter the circuit board (9) through an input module, then are stabilized and filtered through a circuit protection unit, then are introduced into a coupling module, the millimeter wave sinusoidal envelope signals after being stabilized and filtered are divided into two paths through the coupling module, the millimeter wave sinusoidal envelope signals are divided into two paths by matching with a power divider to output equal or unequal energy, the signals after being divided are respectively subjected to primary amplification through a first amplifier and a second amplifier, then are respectively subjected to signal size adjustment through a first attenuator and a second attenuator, are subjected to output signal frequency adjustment through a frequency multiplier, are output in the form of voltage signals through a millimeter wave detection module, or are subjected to secondary amplification through a millimeter wave power amplification module, and are finally output through an output module;
s4, the signals passing through the second attenuator are distinguished through the four frequency dividers, amplified respectively and finally output through the output module.
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| CN113710064B true CN113710064B (en) | 2023-12-12 |
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| CN107846801A (en) * | 2017-12-05 | 2018-03-27 | 四川巨海渔业科技有限公司 | A kind of millimeter wave amplifier for being easy to radiating |
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| CN211880367U (en) * | 2020-04-08 | 2020-11-06 | 蔡捷 | Millimeter wave amplifier |
| CN212413125U (en) * | 2020-06-24 | 2021-01-26 | 广州市山铁声频音响设备有限公司 | Compact digital power amplifier |
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| US10931033B2 (en) * | 2019-01-23 | 2021-02-23 | Qorvo Us, Inc. | Multi-polarization millimeter wave (mmWave) transmitter/receiver architecture with shared power amplifiers |
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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 |
| CN206564574U (en) * | 2017-03-14 | 2017-10-17 | 绵阳博恒微波科技有限公司 | A kind of power amplifier component of 2~6GHz frequency ranges |
| CN107681984A (en) * | 2017-10-24 | 2018-02-09 | 合肥雷科电子科技有限公司 | A kind of millimeter wave fast pulse reflects excessive real-time protection circuit and its guard method |
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