CN206945977U - A kind of amplifying circuit for Big Dipper search and rescue device - Google Patents
A kind of amplifying circuit for Big Dipper search and rescue device Download PDFInfo
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- CN206945977U CN206945977U CN201720729530.9U CN201720729530U CN206945977U CN 206945977 U CN206945977 U CN 206945977U CN 201720729530 U CN201720729530 U CN 201720729530U CN 206945977 U CN206945977 U CN 206945977U
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Abstract
A kind of amplifying circuit for Big Dipper search and rescue device is the utility model is related to, it is high mainly to solve power consumption present in prior art, it is impossible to real-time monitoring duty, repair cumbersome technical problem.The utility model is by using including input matching circuit, the first power amplification circuit, the second power amplification circuit, power synthesis circuit and output matching circuit, the self-adaptive control module being connected with the first power amplification circuit and the second power amplification circuit；Self-adaptive control module is used for the technical scheme of the first power amplification circuit output instantaneous value described in Self Adaptive Control and the second power amplification circuit output instantaneous value, the problem is preferably resolved, in the industrial production available for Big Dipper search and rescue device.
Description
Technical field
Circuit field is the utility model is related to, is related specifically to a kind of amplifying circuit for Big Dipper search and rescue device.
Background technology
China is with a vast territory, and geographical, meteorological condition complexity, natural calamity happens occasionally, and vast field worker includes
Geology, mine, geographical mapping, the earth mapping, the work of the personnel such as engineering design, belong to field and go through dangers operation, in addition, with state
The activities such as the infrastructure such as development and progress, China tunnel and marine transportation of people's economy and society become frequent, related
Work falls within operation of going through dangers.Once there is accident in the surrounding environment of these operations of going through dangers, after distress personnel is stranded, generally requires
Could effectively it be out of danger by the relief of extraneous personnel.Yet with the environment terrain complexity residing for distress personnel or area too
Blocked greatly or by barrier, cause rescue worker's mesh beyond one's ability, it is difficult to sue and labour, so in addition to eyesight is searched, rescue worker
It is generally necessary to by wireless search and rescue device come to scanning for positioning to the wireless alarm signal that distress personnel is sent, accurately to look for
To distress personnel.At present, Beidou communication unit includes Beidou communication antenna used by Big Dipper search and rescue device, connects successively with antenna
The low-noise amplifier connect, power amplification circuit, Big Dipper chip, IC-card and modulation-demodulation circuit.
Existing power amplification circuit mainly using multistage power amplification circuit cascade, solves power amplification circuit
The problems such as linearity.But power amplification circuit fault detect be present not in time in it, can not real-time display power output value,
So as to effectively provide service for search and rescue system.A kind of therefore it provides power output that can monitor power amplification circuit in real time
The amplifying circuit for Big Dipper search and rescue device of value, it is just necessary
Utility model content
Technical problem to be solved in the utility model is to be used for the amplification of Big Dipper search and rescue device present in prior art
Circuit power consumption is big, troubleshooting not in time the problem of.A kind of new amplifying circuit for Big Dipper search and rescue device, the amplification are provided
Circuit has real-time display amplifying circuit value, is capable of the break-make of Self Adaptive Control amplifying circuit, reduces the technical characterstic of power consumption.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
A kind of amplifying circuit for Big Dipper search and rescue device, including input matching circuit, the first power amplification circuit, second
Power amplification circuit, power synthesis circuit and output matching circuit, connect with the first power amplification circuit, the second power amplification circuit
The adjustable power amplifier opening unit and adjustable amplifier power supply module connect；The input matching circuit is used for the first power of matching and put
The input impedance of big circuit and the second power amplification circuit is to 50 ohm；First power amplification circuit and the second power amplification circuit
For power amplification radio-frequency input signals；The Self Adaptive Control being connected with the first power amplification circuit and the second power amplification circuit
Module；The self-adaptive control module includes the first coupling module being connected with the first power amplification circuit, is put with the second power
Second coupling module of big circuit connection, it is connected with the first coupling module time output end and the second coupling module time output end micro-
Processing unit, microprocessing unit are also connected with the adjustable power amplifier opening unit and adjustable amplifier power supply module；It is described micro-
Processing unit is used for the first power amplification circuit output instantaneous value described in Self Adaptive Control and the output of the second power amplification circuit is real
Duration；The main output end of the power synthesis circuit and output matching circuit and the first coupling module and the main output of the second coupling module
End connection.
In such scheme, for optimization, further, the input matching circuit and output matching circuit include being connected in parallel
4-6 roads matching unit, the matching unit include 2-3 levels cascade matching unit；The coupling subelement includes series connection
Inductance and electric capacity.
Further, the first coupling module degree of coupling is 99:1.
Further, the second coupling module degree of coupling is 99:1
Further, the adjustable power amplifier power-on voltage output 0V-10V, adjustable stepping 0.1V.
Further, the adjustable output of amplifier power supply the module voltage 0V-28V, adjustable stepping 0.1V.
Further, the amplifying circuit also includes the display unit being connected with microprocessing unit, and the display unit is used
In display power output instantaneous value.
Further, the amplifying circuit for Big Dipper search and rescue device can be additionally used in other power amplifier devices.
Because amplifying circuit is one of dc power consumption source main in search and rescue device, therefore, in transmission power interval
Phase, operation is turned off for amplifying circuit by using self-adaptive controller, so as to reduce the power consumption of search and rescue device,
Extend usage time, obtain and preferably search and rescue effect.Adaptive unit can also be examined in real time for the power of amplifying circuit
Survey, cut-in voltage and supply voltage are controlled by the differentiation to power output in real time, so as to select optimal voltage to be supplied in
Amplifying circuit, it is not necessary to cause the waste of energy.For power amplifier, increase power capacity by the way of plural parallel stage, widen
Usage scenario.
The beneficial effects of the utility model are as follows：
Effect one, the work of tapping mode amplifying circuit, reduce amplifying circuit power consumption；
Effect two, amplifying circuit output is detected in real time, can inform failure in time, reduces maintenance difficulty；
Effect three, using the teaching of the invention it is possible to provide optimal cut-in voltage and supply voltage needed for amplifying circuit, reduce power supply power consumption.
Effect four, improve the stability of Big Dipper search and rescue device, reliability and practicality.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1, amplifying circuit schematic block diagram.
Fig. 2, the input matching circuit of embodiment 1 and output matching circuit schematic diagram.
Fig. 3, coupling subelement schematic diagram.
Fig. 4, the input matching circuit of embodiment 2 and output matching circuit schematic diagram.
In accompanying drawing, the main output end -1 of the first coupling module；The main output end -2 of second coupling module；First coupling module time is defeated
Go out end -3；Second coupling module time output end -4.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of amplifying circuit for Big Dipper search and rescue device, including input matching electricity
Road, the first power amplification circuit, the second power amplification circuit, power synthesis circuit and output matching circuit, put with the first power
Big circuit, the adjustable power amplifier opening unit of the second power amplification circuit connection and adjustable amplifier power supply module；The input
The input impedance that match circuit is used to match the first power amplification circuit and the second power amplification circuit is to 50 ohm；First power
Amplifying circuit and the second power amplification circuit are used for power amplification radio-frequency input signals；With the first power amplification circuit and the second work(
The self-adaptive control module of rate amplifying circuit connection；The self-adaptive control module includes what is be connected with the first power amplification circuit
First coupling module, the second coupling module being connected with the second power amplification circuit, with the first coupling module time output end and the
The microprocessing unit of two coupling modules time output end connection, microprocessing unit also with the adjustable power amplifier opening unit and adjustable
Formula amplifier power supply module connects；The microprocessing unit is used for the first power amplification circuit described in Self Adaptive Control and exports instantaneous value
And second power amplification circuit output instantaneous value；The power synthesis circuit and output matching circuit and the first coupling module master are defeated
Go out end and the main output end connection of the second coupling module.
Such as Fig. 2, input matching circuit and output matching circuit include 4 tunnels being connected in parallel used by the present embodiment
With unit.Matching unit is controlled using switch.Wherein, each matching unit includes 3 coupling subelements of cascade.Such as Fig. 3
Shown, the coupling subelement includes the inductance and electric capacity of series connection., can be optimal using multiple matching units of this cascade
With impedance, energy reflection and waste caused by being mismatched because of port Impedance are lowered, and reduce amplifying circuit power consumption so as to reach
Effect.
The first coupling module degree of coupling is 99:1, the second coupling module degree of coupling is 99:1.The coupling module degree of coupling can adopt
Tried one's best with the degree of coupling big coupling module, the degree of coupling is bigger, the power of the secondary output end output of coupling module with regard to smaller, so as to
Power in main output end is bigger, can reduce power dispersion loss, reach the maximization of transmission power.
For controlled cut-in voltage and supply voltage, the adjustable power amplifier power-on voltage output 0V- of the present embodiment
10V, adjustable stepping 0.1V.Adjustable amplifier power supply module voltage exports 0V-28V, adjustable stepping 0.1V.The voltage range can
Cut-in voltage and supply voltage preferably needed for covering amplifying circuit, 0.1V step value can with optimal cut-in voltage with most
Excellent supply voltage is matched, so as to reduce because voltage is excessive and caused by ability waste.
Amplifying circuit also includes the display unit being connected with microprocessing unit, and display unit is used to show that power output is real-time
Value, and the failure road of amplifying circuit can be shown, failure is positioned, is easy to repair.Untreated unit is for the first power amplification electricity
Road exports instantaneous value and the second power amplification circuit output instantaneous value carries out detection and identification, judges the first power amplification circuit and the
The output state of two power amplification circuits.When the first power amplification circuit failure, display unit is shown mark.When second
During power amplification circuit failure, display unit gives display mark in addition.
Embodiment 2
The present embodiment further illustrates input matching circuit, the configuration of output matching circuit.
Such as Fig. 4, input matching circuit and output matching circuit include 6 tunnels being connected in parallel used by the present embodiment
With unit.Wherein, each matching unit includes 2 coupling subelements of cascade.As shown in figure 3, the coupling subelement bag
Include the inductance and electric capacity of series connection.Using multiple matching units of this cascade, can Optimum Matching impedance, will be because of port Impedance
Energy reflection and waste are lowered caused by mismatch, so as to have the function that to reduce amplifying circuit power consumption.
Wherein, the first coupling module degree of coupling is 199:1, the second coupling module degree of coupling is 199:1.
Although the illustrative embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in appended claim
In spirit and scope, all are created in the row of protection using the utility model of the utility model design.
Claims (7)
- A kind of 1. amplifying circuit for Big Dipper search and rescue device, it is characterised in that：The amplifying circuit include input matching circuit, First power amplification circuit, the second power amplification circuit, power synthesis circuit and output matching circuit, with the first power amplification electricity Road, the adjustable power amplifier opening unit of the second power amplification circuit connection and adjustable amplifier power supply module；The input matching The input impedance that circuit is used to match the first power amplification circuit and the second power amplification circuit is to 50 ohm；First power amplification Circuit and the second power amplification circuit are used for power amplification radio-frequency input signals；Put with the first power amplification circuit and the second power The self-adaptive control module of big circuit connection；The self-adaptive control module includes the first coupling module being connected with the first power amplification circuit, with the second power amplification Second coupling module of circuit connection, the micro- place being connected with the first coupling module time output end and the second coupling module time output end Unit is managed, microprocessing unit is also connected with the adjustable power amplifier opening unit and adjustable amplifier power supply module；The microprocessing unit is used for the first power amplification circuit output instantaneous value and the second power amplification described in Self Adaptive Control Circuit output instantaneous value；The main output end of the power synthesis circuit and output matching circuit and the first coupling module and the main output of the second coupling module End connection.
- 2. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：The input matching electricity Road and output matching circuit include the 4-6 roads matching unit being connected in parallel, and the matching unit includes matching of 2-3 levels cascade Unit；The coupling subelement includes the inductance and electric capacity of series connection.
- 3. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：First coupled mode The block degree of coupling is 99:1.
- 4. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：Second coupling module coupling Right is 99:1.
- 5. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：The adjustable power amplifier Power-on voltage output 0V-3V.
- 6. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：The adjustable power amplifier Power module voltage output 0V-28V, adjustable stepping 0.1V.
- 7. the amplifying circuit according to claim 1 for Big Dipper search and rescue device, it is characterised in that：The amplifying circuit is also Including the display unit being connected with microprocessing unit, the display unit is used to show power output instantaneous value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729530.9U CN206945977U (en) | 2017-06-22 | 2017-06-22 | A kind of amplifying circuit for Big Dipper search and rescue device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729530.9U CN206945977U (en) | 2017-06-22 | 2017-06-22 | A kind of amplifying circuit for Big Dipper search and rescue device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945977U true CN206945977U (en) | 2018-01-30 |
Family
ID=61364242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720729530.9U Withdrawn - After Issue CN206945977U (en) | 2017-06-22 | 2017-06-22 | A kind of amplifying circuit for Big Dipper search and rescue device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132548A (en) * | 2017-06-22 | 2017-09-05 | 中国人民解放军第六九O五工厂 | A kind of amplifying circuit for Big Dipper search and rescue device |
| CN109167644A (en) * | 2018-10-22 | 2019-01-08 | 成都共同进步信息技术有限公司 | A kind of interior wisdom ecology broadcast platform equipment fm transmitter system |
-
2017
- 2017-06-22 CN CN201720729530.9U patent/CN206945977U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132548A (en) * | 2017-06-22 | 2017-09-05 | 中国人民解放军第六九O五工厂 | A kind of amplifying circuit for Big Dipper search and rescue device |
| CN109167644A (en) * | 2018-10-22 | 2019-01-08 | 成都共同进步信息技术有限公司 | A kind of interior wisdom ecology broadcast platform equipment fm transmitter system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20230725 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20230725 |