CN207304493U - A kind of over-temperature protection device based on power amplifier - Google Patents
A kind of over-temperature protection device based on power amplifier Download PDFInfo
- Publication number
- CN207304493U CN207304493U CN201721388204.2U CN201721388204U CN207304493U CN 207304493 U CN207304493 U CN 207304493U CN 201721388204 U CN201721388204 U CN 201721388204U CN 207304493 U CN207304493 U CN 207304493U
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- Prior art keywords
- power amplifier
- controller
- fan
- converter
- protection device
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- 230000005611 electricity Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a kind of over-temperature protection device based on power amplifier, including power amplifier, at least 10 heat sinks, controller, temperature sensor, a/d converters；The heat sink proper alignment is provided with an empty slot in the side of power amplifier, and between the heat sink, and fan is provided with the empty slot；The controller is arranged on the inside of power amplifier；The temperature sensor, a/d converter are arranged at the opposite side of power amplifier, which is electrically connected with a/d converter, and the a/d converter is electrically connected with the controller, which is electrically connected with fan.By the cooperation of above-mentioned all parts, a cooling system, the first temperature of temperature sensor monitors power amplifier are formed, an alarm signal can be sent by a/d converter when temperature is excessive to controller, fan is opened so as to controller and radiate；Heat sink can play basic cooling effect under normal conditions, so as to reduce a part of power consumption.
Description
Technical field
It the utility model is related to over-temperature protection device, and in particular to a kind of over-temperature protection device based on power amplifier.
Background technology
From 1974, the Plessey companies in the U.S. were by the use of GaAs FET as active device, and GaAs semi-insulating substrate is as load
Body, since succeeding in developing first piece of mmic amplifier in the world, in Military Application (including intellectual weapon, radar, communication and electronics
War etc.) promotion under, the development of MMIC is very rapid.The eighties, with molecular beam epitaxy, metalorganic chemical vapor
The development and progress of deposition technology (MOCVD) and deep-submicron processing technology, MMIC are quickly grown.1980 by Thomson-
CSF and two company's laboratory developments of Fujitsu go out high electron mobility transistor (HEMT), have been obtained on material structure constantly
Breakthrough and innovation.It is counterfeit made of the more preferable InGaAs raceway grooves of Maselink performances in 1985 to match somebody with somebody HEMT (PHEMT), make HEMT
Develop to more frequency modulation rate more low noise direction.After HEMT, substitute silicon bipolar transistor with GaAlAs/GaAs hetero-junctions within 1984
P-N junction in pipe, has succeeded in developing frequency characteristic and the more excellent heterojunction bipolar transistor (HBT) and HBT of speed characteristics
MMIC.Since InP materials have the Lattice Matching of high saturated electrons mobility, high breakdown electric field, good thermal conductivity, InP-base
HEMT, its performance ratio GaAs bases are more superior, and the preparation recently as InP monocrystalline makes progress, the HEMT of InP-base,
PHEMT, MMIC performance are also greatly improved.
Using triode current control effect or field-effect tube voltage control action by the power of power supply be converted to by
According to the electric current of input signal change.Because sound is the ripple of various amplitude and different frequency, i.e. AC signal current, triode
Collector current is β times of base current forever, and β is the exchange amplification factor of triode, using this point, if small-signal is noted
Enter base stage, then the electric current that collector flows through can be equal to β times of base current, then isolate this signal with capacitance
Come, just obtained the big signal that electric current (or voltage) is original β times, this phenomenon becomes the amplification of triode.By not
Disconnected Current amplifier, just completes power amplification.
The heat dissipation of power amplifier is always a problem to be solved, and the radiating mode needed for different power amplifiers is also different,
The utility model provides a kind of new radiating mode.
Utility model content
The utility model to be solved the problems, such as that radiating efficiency is low in the prior art, there is provided a kind of based on power amplifier
Over-temperature protection device, there is provided two kinds of heat dissipation channels, radiating mode is selected according to different situations.
The utility model is achieved through the following technical solutions：
A kind of over-temperature protection device based on power amplifier, including power amplifier, at least 10 heat sinks, control
Device, temperature sensor, a/d converter；The heat sink proper alignment is set in the side of power amplifier between the heat sink
An empty slot is equipped with, fan is provided with the empty slot；The controller is arranged on the inside of power amplifier；The temperature sensing
Device, a/d converter are arranged at the opposite side of power amplifier, which is electrically connected with a/d converter, and the AD conversion
Device is electrically connected with the controller, which is electrically connected with fan.By the cooperation of above-mentioned all parts, a heat dissipation is formed
The temperature of system, first temperature sensor monitors power amplifier, an announcement can be sent when temperature is excessive by a/d converter
Alert signal opens fan so as to controller and radiates to controller；Heat sink can play basic heat dissipation under normal conditions
Effect, so as to reduce a part of power consumption, securely and reliably.
Further, the fan is provided with plug-in unit, and the plug-in unit is located at the outer wall of fan, the plug-in unit at least 2.
Further, jack is provided with the inner wall of the empty slot, the jack is matched with the plug-in unit, and the plug-in unit
In the jack.
Further, a kind of over-temperature protection device based on power amplifier, further includes mainboard cabinet, the mainboard cabinet
Shape is the box body of upper end opening, and the heat sink is installed on the side of the mainboard cabinet, the power amplifier, temperature sensing
Device, a/d converter are arranged at the inside of the mainboard cabinet.
Further, power supply is further included, the power supply is respectively fan and controller power supply.
Further, switch, switch one end electric connection of power supply are further included, the other end is electrically connected fan and control
Device.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of over-temperature protection device based on power amplifier of the utility model is simple in structure, simple installation；
2nd, a kind of over-temperature protection device based on power amplifier of the utility model can effective cooling and heat dissipation；
3rd, a kind of over-temperature protection device based on power amplifier of the utility model is cooled down two kinds using air-cooled and heat sink
Mode radiates, green energy conservation.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structure diagram of fan；
Fig. 3 is the utility model principle schematic diagram.
The title of mark and corresponding part in attached drawing：
1- heat sinks, 2- fans, 3- plug-in units, 4- jacks, 5- mainboard cabinets, 6- power amplifiers, 7- temperature sensors, 8-AD
Converter.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, 2, 3, a kind of over-temperature protection device based on power amplifier, including power amplifier 6, at least 10
Piece heat sink 1, controller, temperature sensor 7, a/d converter 8；1 proper alignment of heat sink is the one of power amplifier 6
Side, and an empty slot is provided between the heat sink 1, it is provided with fan 2 in the empty slot；The controller is arranged on power amplification
The inside of device 6；The temperature sensor 7, a/d converter 8 are arranged at the opposite side of power amplifier 6, the temperature sensor 7
It is electrically connected with a/d converter 8, and the a/d converter 8 is electrically connected with the controller, which is electrically connected with fan 2.Pass through
The cooperation of above-mentioned all parts, forms a cooling system, and temperature sensor 7 first monitors the temperature of power amplifier 6, works as temperature
Spend Gao Shihui and one alarm signal is sent to controller by a/d converter 8, open fan 2 so as to controller and radiate；
Heat sink 1 can play basic cooling effect under normal conditions, so as to reduce a part of power consumption, securely and reliably.
The fan 2 is provided with plug-in unit 3, and the plug-in unit is located at the outer wall of fan 2, the plug-in unit at least 2., the sky
Jack 4 is provided with the inner wall of groove, the jack 4 is matched with the plug-in unit 3, and the plug-in unit 3 is installed in the jack 4.
A kind of over-temperature protection device based on power amplifier, further includes mainboard cabinet 5, the shape of the mainboard cabinet 5 is upper end opening
Box body, the heat sink 1 be installed on the mainboard cabinet 5 side, the power amplifier 6, temperature sensor 7, a/d converter 8
It is arranged at the inside of the mainboard cabinet 5.Power supply is further included, the power supply is respectively fan 2 and controller power supply.Further include out
Close, switch one end electric connection of power supply, the other end is electrically connected fan 2 and controller.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of over-temperature protection device based on power amplifier, including power amplifier (6), it is characterised in that further include to
Few 10 heat sinks (1), controller, temperature sensor (7), a/d converter (8)；Heat sink (1) proper alignment is in power
The side of amplifier (6), and an empty slot is provided between the heat sink (1), fan (2) is provided with the empty slot；The control
Device processed is arranged on the inside of power amplifier (6)；The temperature sensor (7), a/d converter (8) are arranged at power amplifier
(6) opposite side, the temperature sensor (7) are electrically connected with a/d converter (8), and the a/d converter (8) and controller electricity
Connection, the controller are electrically connected with fan (2).
A kind of 2. over-temperature protection device based on power amplifier according to claim 1, it is characterised in that：The fan
(2) plug-in unit (3) is provided with, the plug-in unit is located at the outer wall of fan (2), the plug-in unit at least 2.
A kind of 3. over-temperature protection device based on power amplifier according to claim 2, it is characterised in that：The empty slot
Inner wall on be provided with jack (4), the jack (4) matches with the plug-in unit (3), and the plug-in unit (3) be installed on it is described insert
In hole (4).
A kind of 4. over-temperature protection device based on power amplifier according to claim 1, it is characterised in that：Further include master
Plate cabinet (5), the shape of the mainboard cabinet (5) is the box body of upper end opening, and the heat sink (1) is installed on the mainboard cabinet (5)
Side, the power amplifier (6), temperature sensor (7), a/d converter (8) are arranged at the inside of the mainboard cabinet (5).
A kind of 5. over-temperature protection device based on power amplifier according to claim 1, it is characterised in that：Further include electricity
Source, the power supply are respectively fan (2) and controller power supply.
A kind of 6. over-temperature protection device based on power amplifier according to claim 5, it is characterised in that：Further include out
Close, switch one end electric connection of power supply, the other end is electrically connected fan (2) and controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721388204.2U CN207304493U (en) | 2017-10-25 | 2017-10-25 | A kind of over-temperature protection device based on power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721388204.2U CN207304493U (en) | 2017-10-25 | 2017-10-25 | A kind of over-temperature protection device based on power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304493U true CN207304493U (en) | 2018-05-01 |
Family
ID=62273994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721388204.2U Expired - Fee Related CN207304493U (en) | 2017-10-25 | 2017-10-25 | A kind of over-temperature protection device based on power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517579A (en) * | 2017-10-25 | 2017-12-26 | 成都西井科技有限公司 | A kind of radiator of power amplifier |
-
2017
- 2017-10-25 CN CN201721388204.2U patent/CN207304493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517579A (en) * | 2017-10-25 | 2017-12-26 | 成都西井科技有限公司 | A kind of radiator of power amplifier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |