CN203909995U - Sea condition information acquisition and transmission module - Google Patents
Sea condition information acquisition and transmission module Download PDFInfo
- Publication number
- CN203909995U CN203909995U CN201420154789.1U CN201420154789U CN203909995U CN 203909995 U CN203909995 U CN 203909995U CN 201420154789 U CN201420154789 U CN 201420154789U CN 203909995 U CN203909995 U CN 203909995U
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- chip
- information acquisition
- power amplifier
- sea situation
- control chip
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- 230000005540 biological transmission Effects 0.000 title abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000009432 framing Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model provides a sea condition information acquisition and transmission module which comprises a power supply EMI (1) for supplying power, a control chip (2), a transmission modulation chip (3) and a power amplifier module (4), wherein the control chip (2), the transmission modulation chip (3) and the power amplifier module (4) are connected sequentially; the control chip (2) receives sea condition information from sea condition measuring equipment and transmits the information to the transmission modulation chip (3) after the information is framed with wave channel information; the transmission modulation chip (3) converts the received framed sea condition information into a radio-frequency signal and transmits the radio-frequency signal to the power amplifier module (4); and the power amplifier (4) amplifies the radio-frequency signal to the required frequency and transmits the signal to a maritime radio station for reception through an antenna. According to the sea condition information acquisition and transmission module, manpower resources are saved, the size is smaller, the loss is lower, and the test data are more reliable.
Description
Technical field
The utility model relates to a kind of sea situation information acquisition transmitter module, particularly relate to a kind of be applicable to marine to sea situation information and be transmitted to the device in maritime affairs radio station.
Background technology
Sea situation information acquisition transmitter module, the sea situation information that sea situation buoy is collected (Hai Wen, unrestrained high information) is modulated, and gives airborne maritime affairs radio station by antenna transmission.Existing sea situation buoy emitter adopts old-fashioned project organization, and volume is heavy; Adopt original modulation system, transmission range and communication efficiency cannot meet; Extendability is not strong, and the transmitter module of a type can only corresponding a kind of sea situation buoy.
Utility model content
The technical problems to be solved in the utility model is to provide the sea situation information acquisition transmitter module that a kind of volume is little, the working time is longer.
The technical solution adopted in the utility model is as follows: a kind of sea situation information acquisition transmitter module, and comprise the power supply of power supply EMI 1 is provided, it is characterized in that: also comprise connected successively control chip 2, transmitting modulation chip 3 and power amplifier module 4.
As preferably, also comprise being connected with control chip 2, for the knob of preset radio frequency channel.
As preferably, described knob can be chosen 8 channel informations.
As preferably, described control chip 2 is single-chip microcomputer.
As preferably, described transmitting modulation chip 3 is transmitting modulation chip able to programme.
As preferably, described power amplifier module 4 comprises successively connected one-level power amplifier 41 and secondary power amplifier 42.
As preferably, also comprise the signal conversion chip being connected between control chip 2 and sea situation measuring equipment.
As preferably, described signal conversion chip is RS422 signal conversion chip.
As preferably, also comprise the transmitting indicating lamp being connected with observation transmitting modulation chip 3.
Compared with prior art, the beneficial effects of the utility model are: transmitter module described in the utility model, save human resources, volume is less, loss is lower, test data is more reliable.
Accompanying drawing explanation
Fig. 1 is the wherein principle schematic of an embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Disclosed arbitrary feature in this instructions (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
In this specific embodiment, adopt 12V battery supply to power.
As shown in Figure 1, a kind of sea situation information acquisition transmitter module, comprises the power supply of power supply EMI 1 is provided, and also comprises connected successively control chip 2, transmitting modulation chip 3 and power amplifier module 4.
The sea situation information that control chip 2 receives from sea situation measuring equipment, carry out passing to transmitting modulation chip 3 after framing with channel information, after transmitting modulation chip 3 is converted into radiofrequency signal by the sea situation information after framing receiving, pass to power amplifier module 4, power amplifier module 4 is gone out and is received to maritime affairs radio station by antenna transmission after radiofrequency signal is amplified to the frequency needing.
With transmitting modulation chip 3, replace the gentle impulse electricity circuit of local oscillator filtering of the prior art, make whole sea situation gather the smaller volume of radiating circuit, circuit structure is simple, electric energy loss is low, in the situation that power resources is limited, can service time longer, propagate more effective informations.
Also comprise being connected with control chip 2, for the knob of preset radio frequency channel.The knob of design and installation necessity on the panel of transmitter module, convenient by the operation of knob being completed to preset to active channel.
Described knob can be chosen 8 channel informations.Compare with 1 radio frequency channel of prior art, extensibility and dirigibility are stronger, can gather a plurality of channel informations and carry out framing, and the sea situation information reliability forming is stronger.
Described control chip 2 is single-chip microcomputer.
Described transmitting modulation chip 3 is transmitting modulation chip able to programme, compared with prior art, can accept any byte sea situation information, and without changing physical circuit, adaptability is stronger.
Described power amplifier module 4 comprises successively connected one-level power amplifier 41 and secondary power amplifier 42.
Also comprise the signal conversion chip being connected between control chip 2 and transmitting modulation chip 3.Can compatible RS422, SPI, the multiple transmission mode such as TTL, RS429 is for data transmission.
In this specific embodiment, described signal conversion chip is RS422 signal conversion chip, is transferred to control chip 2 after the RS422 signal of reception is converted to TTL signal, improves the accuracy of signal transmission.
Described control chip 2 and transmitting modulation chip 3 members adopt the moulding of aluminium alloy plate Milling Process, have enough intensity and rigidity, have carried out anti-oxidation processing, and after fitting together, ground connection is good, forms the shield shell of an assembling.
Also comprise the transmitting indicating lamp being connected with observation transmitting modulation chip 3, user observes transmitting duty, can shape and judge whether normal work.
What control chip 2 received sea situation measuring equipments contains wave height, ocean temperature data protocol.Add active channel information again after framing, deposit transmitting modulation chip in and modulate, through two-stage power amplifier, be enlarged into final reaching and signal be sent to maritime affairs radio station after output rating and receive.
In this specific embodiment, by provide+12V of sea situation measuring equipment power supply, one tunnel+12V power supply offers power amplifier module after filtering afterwards, one tunnel+12V power supply powers to control chip 1 after by power conversion chip, control chip 2 one tunnel serial USART interfaces receive the data protocol of sea situation measuring equipment, and another road serial USART interface will contain the data protocol of active channel information.
Control chip 2 is resolved the data protocol receiving on the one hand, and transmission frequency order makes to launch modulation chip 3 and is operated in correct radio frequency channel, on the other hand data protocol is deposited in to transmitting modulation chip 3 and modulates.
This specific embodiment has adopted shielding, ground connection to suppress electromagnetic interference (EMI) in design process, and colleague, in cable design process, strengthens shielding isolating and protecting, to cable-to-cable connector shell and reliable electrical connection of the anti-ripple cover of bunch of cables maintenance.
In addition, on interface, comprise the low frequency interface being connected with sea situation measuring equipment and the radio frequency interface being connected with buoy antenna.Low frequency interface adopts J30J connector, and volume is little; Radio frequency interface is used SMA radio frequency connector, and volume is little, and Insertion Loss is little.
Claims (6)
1. a sea situation information acquisition transmitter module, comprises the power supply of power supply EMI(1 is provided), it is characterized in that: also comprise connected successively control chip (2), transmitting modulation chip (3) and power amplifier module (4); Also comprise being connected with control chip (2), for the knob of preset radio frequency channel; Described knob can be chosen 8 channel informations; Described power amplifier module (4) comprises successively connected one-level power amplifier (41) and secondary power amplifier (42).
2. sea situation information acquisition transmitter module according to claim 1, is characterized in that: described control chip (2) is single-chip microcomputer.
3. sea situation information acquisition transmitter module according to claim 1, is characterized in that: described transmitting modulation chip (3) is transmitting modulation chip able to programme.
4. sea situation information acquisition transmitter module according to claim 1, is characterized in that: also comprise the signal conversion chip being connected between control chip (2) and sea situation measuring equipment.
5. sea situation information acquisition transmitter module according to claim 4, is characterized in that: described signal conversion chip is RS422 signal conversion chip.
6. sea situation information acquisition transmitter module according to claim 1, is characterized in that: also comprise the transmitting indicating lamp being connected with observation transmitting modulation chip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154789.1U CN203909995U (en) | 2014-04-01 | 2014-04-01 | Sea condition information acquisition and transmission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154789.1U CN203909995U (en) | 2014-04-01 | 2014-04-01 | Sea condition information acquisition and transmission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909995U true CN203909995U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420154789.1U Expired - Lifetime CN203909995U (en) | 2014-04-01 | 2014-04-01 | Sea condition information acquisition and transmission module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203909995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105635856A (en) * | 2015-12-18 | 2016-06-01 | 成都航天通信设备有限责任公司 | Marine voice communication system for unmanned aerial vehicle |
-
2014
- 2014-04-01 CN CN201420154789.1U patent/CN203909995U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105635856A (en) * | 2015-12-18 | 2016-06-01 | 成都航天通信设备有限责任公司 | Marine voice communication system for unmanned aerial vehicle |
| CN105635856B (en) * | 2015-12-18 | 2022-02-01 | 成都航天通信设备有限责任公司 | Unmanned aerial vehicle maritime affairs voice communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |