CN203275654U - Digital color liquid crystal fish finder - Google Patents
Digital color liquid crystal fish finder Download PDFInfo
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- CN203275654U CN203275654U CN 201320273325 CN201320273325U CN203275654U CN 203275654 U CN203275654 U CN 203275654U CN 201320273325 CN201320273325 CN 201320273325 CN 201320273325 U CN201320273325 U CN 201320273325U CN 203275654 U CN203275654 U CN 203275654U
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- liquid crystal
- color liquid
- transducer
- main frame
- fish detector
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Abstract
The utility model relates to a digital color liquid crystal fish finder. The digital color liquid crystal fish finder is characterized by comprising a host, a transducer and an external power supply system, wherein the external power supply system is connected with the host via a cable to supply a power supply signal to the host, and the host is connected with the transducer via the cable. The liquid crystal fish finder also comprises a connection box, and multiple display instruments of one or a plurality of large-screen displays. The digital color liquid crystal fish finder of the technical scheme is based on the digital signal processing, digital signal receiving and digital signal adjustment, does not need an intermediate frequency transformer, is advanced in technology, very low in background noise and high in sensitivity and stability, does not change along with temperatures, enables the seabed expansion functions to be added, can discriminate the fish groups nearby the seabed effectively, enables the performance of the fish finder to be improved with the more advanced transducer, and is compact in structure, low in fault rate and power consumption, small in volume and convenient in carrying due to that a highly integrated circuit is used in the host.
Description
Technical field
The utility model relates to a kind of underwater sound instrument of detecting fish school, relates in particular to a kind of digitizing color liquid crystal fish detector.
Background technology
Fish detector is a kind of electronic equipment of shoal of fish distribution situation under water that is used for specially surveying, and usually is arranged on fishing boat.In the process of fishing boat navigation, it is ceaselessly to seabed emission sound wave, and judges the having or not of the shoal of fish, size, position and kind according to the echoed signal in the ocean, in order to improve the output that fishery is fished for.
The research and development of domestic fish detector is more late, and in China, the fish detector major part of use is all vertical echo sounder.Traditional fish detector when using acoustic sounding, is analogue technique due to what adopt, is having larger error aspect monitoring and estimation, adds that especially noise and the strong seabed involuting wave in water makes testing process more difficult.Cause removing the undesired signal ability and the recognition capability of seabed and the shoal of fish is descended, especially being difficult to pick out near the shoal of fish the seabed.Fish detector in the market is in the motherboard design, integrated circuit is few, between device, structure is not compact, cause that the instrument volume is large, energy consumption is large, complicated, not Portable belt and maintenance etc. are installed, these problems have seriously restricted the developing steps of China's fishery, therefore, a kind of new fish detector of exigence solves above-mentioned technical matters.
Summary of the invention
The utility model is just for the technical matters that exists in prior art, a kind of simple in structure, easy to operate, lower-cost digitizing color liquid crystal fish detector is provided, this fish detector has improved the recognition capability to seabed, the shoal of fish, and its motherboard adopts high density integrated circuit having, compact conformation, failure rate is low, volume is little, low in energy consumption, be easy to carry.
To achieve these goals, the technical solution of the utility model is as follows, a kind of digitizing color liquid crystal fish detector, it is characterized in that, described liquid crystal fish detector comprises main frame, transducer, the externally fed system, described externally fed system connects main frame by cable, and for main frame provides power supply signal, described main frame connects transducer by cable.In this technical scheme, select more advanced transducer, increase the performance of fish detector.
As a kind of improvement of the present utility model, described liquid crystal fish detector also comprises connecting box, aobvious instrument again, one or several in large screen display.Above-mentioned parts are mainly to arrange according to client's needs, and aobvious instrument facilitates the client to observe detection information again, has increased again the Video Expansion function, switchable large screen display, and high definition shows detection information; Cable couples together main frame and transducer, and cable is changeable, connecting box is set the length of cable is controlled, and satisfies the needs of different condition.
As a kind of improvement of the present utility model, described transducer comprises transmitting transducer and receiving transducer, and described transmitting transducer is that electric impulse signal is converted to mechanical oscillation signal, is about to electric energy and is converted to acoustic energy, forms ultrasonic signal and launches to the seabed; Receiving transducer is that the acoustic signals of will return from bottom reflection changes electric impulse signal into, is about to acoustic energy and is converted to electric energy.
As a kind of improvement of the present utility model, described PWRT plate comprises radiating circuit, power control circuit.
As a kind of improvement of the present utility model, described main frame comprises CPU, display screen, inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, and described inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, display screen are all to control by CPU.CPU is in order to control the function of other each plates, and the information that will receive from receiving circuit sends to display screen to show detection information, and exports to other equipment; Described inverter circuit is used for regulating the brightness that display screen shows, so that the use of daytime, night and varying environment; It is the use of upper each button of control display screen that key circuit is controlled; Use advanced digital filter techniques in circuit board for receiving, will receive signal, process, regulate, had high sensitivity, high precision, high reliability, high stability.Described PWRT plate comprises radiating circuit, power control circuit.Radiating circuit is to launch the electric impulse signal with certain frequency, power and width to go to promote transmitting transducer work.Whole principle of work is as follows, has the electric impulse signal of certain frequency, power and width to transmitting transducer by the emission of the radiating circuit in main frame, transmitting transducer is converted to electric pulse ultrasonic pulse signal and ceaselessly launches to the seabed, and the various reflected signals in the reception ocean, receiving transducer is converted to electric signal with the echoed signal that receives and delivers to receiving circuit in main frame.In receiving circuit, used advanced digital filter techniques, signal is received, processes, regulates, using method is very convenient, does not need manually-operated, and all adjustment are completed automatically, have high sensitivity, high precision, high reliability, high stability.Information after digital filter is processed will all be sent in CPU in main frame, CPU with the information output that receives to the liquid crystal display in main frame to show detection information.Determined whether fish according to the power of echoed signal, according to the time interval determination shoal of fish of transponder pulse and the echo-pulse distance apart from the sea level.
As a kind of improvement of the present utility model, described externally fed system is that the system of power supply, service area are provided to main frame is direct current 19V-36V.The instrument operating voltage is DC24V, overtension, and instrument can autoshutdown.
As a kind of improvement of the present utility model, what described display screen adopted is 10.4 inches color TFT-LCD displays of high-resolution.Have visual angle and intensity adjustable function on a large scale.
With respect to prior art, advantage of the present utility model is as follows, and 1) this technical scheme employing digital signal processing, the zero intermediate frequency transformer, advanced technology, digital signal reception, extremely low background noise, high sensitivity, digital signal is regulated, and high stability does not vary with temperature; 2) increase the sea-floor spreading function, can effectively pick out near the shoal of fish in seabed, 3) the true double frequency of two pictures, show simultaneously the high frequency low frequency; 4) utilize the Video Expansion function, switchable large screen display, high definition shows, selects more advanced transducer, increases the performance of fish detector; 5) motherboard adopts high density integrated circuit having, compact conformation, and failure rate is low, volume is little, and is low in energy consumption, is easy to carry; 6) user interface hommization more, customizable NMEA0183 signaling interface embodies the design concept that people-oriented, is whole-heartedly customer service; 7) use the low noise digital wave filter technology, do not need manual operation, using method is very convenient, and all adjustings are completed automatically, have high sensitivity, high precision, high reliability, high stability.
Description of drawings
Fig. 1 is the utility model one-piece construction schematic diagram;
Fig. 2 is main frame inner structure schematic diagram.
Embodiment
In order to deepen that understanding and cognition of the present utility model is made further instructions and introduces the utility model below in conjunction with the drawings and specific embodiments.
Embodiment 1:
Referring to Fig. 1, a kind of digitizing color liquid crystal fish detector, described liquid crystal fish detector comprises main frame, transducer, externally fed system, described externally fed system connect main frame by cable, and for main frame provides power supply signal, described main frame connects transducer by cable.In this technical scheme, select more advanced transducer, increase the performance of fish detector.
Embodiment 2:
Referring to Fig. 1, as a kind of improvement of the present utility model, described liquid crystal fish detector also comprises connecting box, aobvious instrument again, one or several in large screen display.Above-mentioned parts are mainly to arrange according to client's needs, and aobvious instrument facilitates the client to observe detection information again, has increased again the Video Expansion function, switchable large screen display, and high definition shows detection information; Cable couples together main frame and transducer, and cable is changeable, connecting box is set the length of cable is controlled, and satisfies the needs of different condition.All the other structures and advantage and embodiment 1 are identical.
Embodiment 3:
As a kind of improvement of the present utility model, described transducer comprises transmitting transducer and receiving transducer, and described transmitting transducer is that electric impulse signal is converted to mechanical oscillation signal, is about to electric energy and is converted to acoustic energy, forms ultrasonic signal and launches to the seabed; Receiving transducer is that the acoustic signals of will return from bottom reflection changes electric impulse signal into, is about to acoustic energy and is converted to electric energy.All the other structures and advantage and embodiment 1 are identical.
Embodiment 4:
Referring to Fig. 2, as a kind of improvement of the present utility model, described main frame comprises CPU, display screen, inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, and described inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, display screen are all to control by CPU.(described PWRT plate is power transmit power supply expelling plate, is called for short the PWRT plate), CPU is in order to control the function of other each plates, and the information that will receive from receiving circuit sends to display screen to show detection information, and exports to other equipment; Described inverter circuit is used for regulating the brightness that display screen shows, so that the use of daytime, night and varying environment; Key circuit is used for the use of upper each button of control display screen.Described PWRT plate comprises radiating circuit, power control circuit.
Radiating circuit is to launch the electric impulse signal with certain frequency, power and width to go to promote transmitting transducer work; Use the use of advanced technology digital filter in receiving circuit, will receive signal, process, regulate, had high sensitivity, high precision, high reliability, high stability.Whole principle of work is as follows, has the electric impulse signal of certain frequency, power and width to transmitting transducer by the emission of the radiating circuit in main frame, transmitting transducer is converted to electric pulse ultrasonic pulse signal and ceaselessly launches to the seabed, and the various reflected signals in the reception ocean, receiving transducer is converted to electric signal with the echoed signal that receives and delivers to receiving circuit in main frame.In receiving circuit, used advanced digital filter techniques, signal is received, processes, regulates, using method is very convenient, does not need manually-operated, and all adjustment are completed automatically, have high sensitivity, high precision, high reliability, high stability.Information after digital filter is processed will all be sent in CPU in main frame, CPU with the information output that receives to the liquid crystal display in main frame to show detection information.Determined whether fish according to the power of echoed signal, according to the time interval determination shoal of fish of transponder pulse and the echo-pulse distance apart from the sea level.All the other structures and advantage and embodiment 1 are identical.
Embodiment 5:
As a kind of improvement of the present utility model, described externally fed system is that the system of power supply, service area are provided to main frame is direct current 19V-36V.The instrument operating voltage is DC24V, overtension, and instrument can autoshutdown.All the other structures and advantage and embodiment 1 are identical.
Embodiment 6:
As a kind of improvement of the present utility model, what described display screen adopted is 10.4 inches color TFT-LCD displays of high-resolution.Have visual angle and intensity adjustable function on a large scale.All the other structures and advantage and embodiment 1 are identical.
The utility model can also with at least one and embodiment 1 combination in embodiment 2,3,4,5,6 described technical characterictics, form new embodiment.
Need to prove that above-described embodiment is only preferred embodiment of the present utility model; be not used for limiting protection domain of the present utility model; being equal to replacement or substituting of having done on the basis of the above all belongs to protection domain of the present utility model, and protection domain of the present utility model is as the criterion with claims.
Claims (8)
1. a digitizing color liquid crystal fish detector, is characterized in that, described liquid crystal fish detector comprises main frame, transducer, the externally fed system, described externally fed system connects main frame by cable, for main frame provides power supply signal, described main frame connects transducer by cable.
2. a kind of digitizing color liquid crystal fish detector according to claim 1, is characterized in that, described liquid crystal fish detector also comprises connecting box, aobvious instrument again, one or several in large screen display.
3. a kind of digitizing color liquid crystal fish detector according to claim 1 and 2, it is characterized in that, described main frame comprises CPU, display screen, inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, and described inverter circuit plate, key circuit control panel, circuit board for receiving, PWRT plate, display screen are all to control by CPU.
4. a kind of digitizing color liquid crystal fish detector according to claim 1 and 2, is characterized in that, described PWRT plate comprises radiating circuit, power control circuit.
5. a kind of digitizing color liquid crystal fish detector according to claim 1 and 2, it is characterized in that, described transducer comprises transmitting transducer and receiving transducer, described transmitting transducer is that electric impulse signal is converted to mechanical oscillation signal, be about to electric energy and be converted to acoustic energy, form ultrasonic signal and launch to the seabed; Receiving transducer is that the acoustic signals of will return from bottom reflection changes electric impulse signal into, is about to acoustic energy and is converted to electric energy.
6. a kind of digitizing color liquid crystal fish detector according to claim 1 and 2, is characterized in that, described externally fed system is that the system of power supply, service area are provided to main frame is direct current 19V-36V.
7. a kind of digitizing color liquid crystal fish detector according to claim 3, is characterized in that, is provided with digital filter in described receiving circuit.
8. according to claim 3 or 7 described a kind of digitizing color liquid crystal fish detectors, is characterized in that, what described display screen adopted is 10.4 inches color TFT-LCD displays of high-resolution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320273325 CN203275654U (en) | 2013-05-20 | 2013-05-20 | Digital color liquid crystal fish finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320273325 CN203275654U (en) | 2013-05-20 | 2013-05-20 | Digital color liquid crystal fish finder |
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| CN203275654U true CN203275654U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320273325 Expired - Fee Related CN203275654U (en) | 2013-05-20 | 2013-05-20 | Digital color liquid crystal fish finder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976680A (en) * | 2018-01-05 | 2018-05-01 | 南京宁禄科技有限公司 | Membrane keyboard fish detector and fish finding method based on linux system |
-
2013
- 2013-05-20 CN CN 201320273325 patent/CN203275654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976680A (en) * | 2018-01-05 | 2018-05-01 | 南京宁禄科技有限公司 | Membrane keyboard fish detector and fish finding method based on linux system |
| CN107976680B (en) * | 2018-01-05 | 2023-09-08 | 南京宁禄科技有限公司 | Touch key fish finder based on Linux system and fish finding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20190520 |