CN87201346U

CN87201346U - Fishnet with automatic monitor

Info

Publication number: CN87201346U
Application number: CN 87201346
Authority: CN
Inventors: 乔新明
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-02-10
Filing date: 1987-02-10
Publication date: 1988-05-25

Abstract

The utility model discloses a fishing net with an automatic monitor, which is a novel fishing net which can provide effective protection for the fishing net. The fishing net with the automatic monitor is characterized in that a directing line with favorable insulated property is laid along the floater line of the fishing net or around the entire fishing net; one end of the insulated directing line is connected with a signal launcher, and the other end of the insulated directing line is connected with a signal receiver. In order to provide the signal for the coming and going ships, the signal launcher is provided with an automatic flash light, and the insulated direction line is provided with a plurality of floaters, the inner parts of which are provided with the automatic control switch circuit of the water level. When the insulated directing line (the fishing net) is cut, or when the insulated directing line (the fishing net) is lifted off the water surface, the electrical signal can be interrupted; the acousto-optic alarm circuit of the signal receiver can alarm, and accordingly, the destruction of the fishing net can be discovered in time in the operation.

Description

Fishnet with automatic monitor

The utility model relates to the improvement of netting gear.

In the fish production, particularly in the drifting of the dispersion of middle nobby, the drift net that lays is several kilometers far away, at overcast and rainy, dense fog and in night, netting gear takes place frequently broken unintentionally or blocked the accident of stealing by the people, causes economic loss.And existing medium and small fishing net does not all have automated watch-keeping facility so that the fishing net in the operation is effectively protected.Existing automatic monitoring technical, the employing wireless telemetering mode that has, the employing that has is infrared, the photoelectric monitor mode, but all because of technical sophistication, cost are too high, is difficult to use on a large amount of middle nobbies.Have only and adopt wired monitoring mode comparatively suitable.

The purpose of this utility model provides a kind of fishing net with wired monitoring device, and this novel netting gear can be to self providing effective protection in operation.

This have the fishing net of automated watch-keeping facility to be achieved in that promptly to have certain tensile strength, the knotless lead that insulating properties are good along the headline of fishing net or around one of whole fishing net laying.Insulated conductor one end connects a signal projector, and the other end connects a signal receiver.Signal generating circuit is arranged in the signal projector, constantly produce the signal of telecommunication, be delivered to signal receiver by insulated conductor.The reception amplifying circuit of signal receiver receives amplification with the signal of telecommunication, and carries out the instrument demonstration by meter display circuit wherein.When under external force, insulated conductor is blocked, or the reduction of insulation degree, all can produce and open circuit or short circuit, and electrical signal transfer is unusual, thus the instrument display abnormality.Signal receiver also has sound light alarming circuit except that receiver amplifier, meter display circuit.Can the while sounding and lighting alarm during abnormal signal.Signal receiver is by being placed on the fishing boat.Signal projector can be located at the fishing net other end, be immersed in the seawater, also can with signal receiver together by being placed on the fishing boat.Be convenient observation, and prevent collision with light signal, can on signal projector, establish an automatic flash light to the dealing ship.For improving monitoring effect to fishing net, can on insulated conductor, establish the good plastic float of several airtight performances in addition, establish the water level automatic control switch circuit in the float, insulated conductor is by these water level automatic control switch, when under external force, these plastic floats are lifted from the water surface, and water level automatic control switch promptly moves the cut-out signal of telecommunication, thereby also cause the signal receiver instrument to show or sounding and lighting alarm.During abnormal signal,, can establish an automatic flasher, give the fishing net head end for change according to it after the disposition at the fishing net head end in time sailing to check the fishing net situation.

The present invention provides a kind of novel netting gear that automated watch-keeping facility is arranged according to the requirement of marine drifting environment and fishing net protection.Solved the difficult problem that an urgent demand solves in fisherman's operation on the sea.

Description of drawings of the present invention.

Figure 1A is for only laying the fishing net schematic diagram with automated watch-keeping facility of insulated conductor at the top headline.

Figure 1B is for laying the fishing net schematic diagram with automated watch-keeping facility of insulated conductor around whole fishing net.

Fig. 2 is the signal receiver circuit diagram.

Fig. 3 is automatic flasher circuit figure.

Fig. 4 is the water level automatic control switch circuit diagram.

Fig. 5 is the automatic flash light circuit diagram.

Fig. 6 is the signal generating circuit schematic diagram.

Below in conjunction with the description of drawings embodiments of the invention.Among Figure 1A, wherein (1) is fishing net net sheet; (2) be the fish net buoy guiding principle; (3) be float on the headline; (4) for being located at the inside on the insulated conductor plastic float of water level automatic control switch circuit is housed, requires airtight performance good.Insulated conductor is by these water level automatic control switch, and its power supply adopts small dry battery.When these floats are lifted from the water surface, can cut off the electricity supply automatically in the contact of the inside, causes the signal of telecommunication to interrupt.(5) for being laid on the insulated conductor of the transmission signal of telecommunication on the headline, make earth-return circuit with seawater.Insulated conductor can adopt insulation good rubber or plastic foreskin lead, and stretching resistance intensity should be greater than 200kg.(6) be connected with insulated conductor one end by aboard ship signal receiver, shell is made with resistant materials such as plastics, steel plates, it is airtight with waterproof, protection against the tide to try one's best, signal reception amplification control circuit wherein, instrument measurement display circuit, sound light alarming circuit are produced on the circuit board, and power supply adopts accumulator or No. 1 dry cell on the ship.(7) be the signal projector that is connected with the insulated conductor other end.It is dipped in the seawater, is positioned at the fishing net tail end, and shell is made with stainless steel or plastics, requires corrosion-resistant, sealing, waterproof, and profile can be garden shape or rectangle.Be provided with signal generating circuit, automatic flash light circuit, water level automatic control switch circuit and power supply in the signal projector, power supply can adopt dry cell No. 1.When signal projector is lifted from the water surface, the water level automatic control switch action power dump causes receiver to be reported to the police, and automatic flash light extinguishes.(8) be automatic flash light, be located at above the signal projector, connect with automatic flash light circuit in it.(9) for being located at the automatic flasher of the fishing net other end, it is to establish an automatic flash circuit in the sealed box in being immersed in seawater, establishes an automatic flash light bubble above, with indication fishing net position.(10) be fishing boat.In Figure 1B, wherein (11) are the signal monitor of pressing aboard ship, and it comprises receiver amplifier, meter display circuit, sound light alarming circuit and signal generating circuit.The signal of telecommunication that is the signal generating circuit generation is got back to signal receiving circuit at last by the insulated conductor around whole fishing net.(12) for being immersed in the inside in the seawater box of the sealing of automatic flash light circuit and water level automatic control switch circuit is arranged.(15) be insulated conductor around whole fishing net.Among Fig. 2, the signal of telecommunication that signal projector sends, through the transmission of insulation lead, do the loop with seawater, input to signal receiver from input (14), show, give BG1 emitter junction one suitable forward voltage through rectification, instrument, this moment, BG1 was in conducting state, was not worked by the sound light alarming circuit that BG2, BG3 form.When no signal input, or signal is reduced to a certain degree, promptly insulated conductor open circuit, during short circuit, can show from instrument (15), in addition, because BG1 ends, collector potential rises, and causes BG2, BG3 conducting, and loudspeaker (16), light emitting diode (17) are used sounding and lighting alarm simultaneously.Wherein PnP type triode BG3 should choose power, as 3CG5,3AX81 etc.Among Fig. 3, BG1, BG2 form complementary multi-resonant oscillating circuit, connect switch (18), and BG1, BG2 are by when being turned to saturation conduction, and bulb (19) glistens once, by be conducting to by the time, bulb extinguishes, and so forth.This circuit efficiency is higher, only in bulb flash of light moment consumed power, has only the minute quantity leakage current in the time of intermittently, substantially consumed power not.Wherein the BG1 of PnP type is optional low power, as 3CG4,3CG21 etc.Among Fig. 4, (20) be the water level detecting point, make of stainless steel or other corrosion resistant metal, entire circuit is contained in plastic float and the signal projector, when test point (20) when leaving the water surface, BG1 is transferred to by conducting and ending, BG2, BG3 conducting, corresponding break of contact power supply, signal interruption and cause reporting to the police.Among Fig. 5, from the signal of telecommunication of input point (21) input, signal just often gives BG2 emitter junction one suitable forward voltage after rectification, the BG2 conducting, and collector potential reduces.BG3 ends, and makes BG1, BG4 keep vibration, and bulb (22) sends the flashing signal of certain frequency, is reduced to a certain degree as input of (21) no signal or signal, then BG2 ends, and collector potential rises, the BG3 conducting, BG4 ends, the circuit failure of oscillation, and bulb (22) extinguishes.Wherein the BG1 of PnP type can select for use low power, as 3CG4,3CG21 etc.The power supply of whole flash lamp circuit is controlled by water level automatic control switch, in case i.e. water level automatic control switch action is cut off the electricity supply, even the signal input is arranged, automatic flash light still is in and extinguishes state.This circuit and signal generating circuit, water level automatic control switch circuit and power supply form a whole, and are installed in the letter transmitter, when transmitter and monitored district are working properly, can send the flashing signal of certain frequency, otherwise light extinguish.Among Fig. 6, by the signal oscillation circuit that elements such as BG are formed, the signal of telecommunication that the generation amplitude is adjustable is exported by output point (23).Its feature is simple and reliable, and volume is little, and signal amplitude is adjustable, and its power supply is controlled by water level automatic control switch also.Certainly, when signal generating circuit is formed signal monitor with signal receiver, do not produce this situation.

Claims

1, a kind of fishing net of forming by net sheet (1), headline (2), float (3) etc.Of the present utility modelly be characterised in that along headline or be equipped with one to have certain stretching resistance intensity, the lead (5) that insulating properties are good around whole net sheet.Insulated conductor one end connects a signal projector (7).The other end connects a signal receiver (6).

2, by the said fishing net of claim 1, it is characterized in that signal projector is made up of signal generating circuit, automatic flash light circuit, water level automatic control switch circuit and power supply, signal generating circuit is formed signal oscillation circuit by elements such as BG, produce the adjustable signal of telecommunication, export by output point (23), connect the input point (21) of automatic flash light circuit simultaneously, the automatic flash light circuit is made up of BG1, BG2, BG3, BG4 and automatic flash light (8) and other Resistor-Capacitor Unit.Wherein BG1, BG4 form oscillating circuit, and the duty of oscillating circuit is controlled by BG2, BG3.The water level automatic control switch circuit is made up of BG1, BG2, BG3 and water level detecting point (20) and other element, and its corresponding contacts is controlled being connected of other two circuit and power supply.

3, by the said fishing net of claim 2, it is characterized in that automatic flash light is located at the top of signal projector shell.

4,, it is characterized in that signal receiver is made up of receiver amplifier, meter display circuit, sound light alarming circuit and power supply by the said fishing net of claim 1.Receiver amplifier and meter display circuit are by BG1, and instrument elements such as (15) is formed, and BG2, BG3 form sound light alarming circuit, and its duty is controlled by BG1.The signal receiver input connects insulated conductor.

5, by said any fishing net of claim 1-4, it is characterized in that string has several the insides that the plastic float (4) of the good seal of water level automatic control switch circuit is housed on the insulated conductor, when wherein any plastic float was lifted from the water surface, the water level automatic control switch circuit promptly cut off the signal of telecommunication.

6, by said any fishing net of claim 1～5, it is characterized in that fishing net one end that connects signal receiver is provided with automatic flasher (9), can be fixed on net end indication fishing net position, automatically flasher is a complementary multi-harmonic-oscillations flasher circuit of being made up of BG1, BG2, bulb 19, power supply etc., and it is not connected with other circuit.

7, by said any fishing net of claim 1-6, it is characterized in that both can producing a kind of finished product fishing net that automated watch-keeping facility is arranged, can produce fishing net again separately and monitor the indication separator automatically, as the supporting application of the fishing net that has now come into operation.