JPS59502077A - sonar device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] sonar device Technical field The present invention is particularly useful, but not exclusively, in small-sized vessels such as private recreational yachts. and relates to sonar equipment suitable for medium-sized ships and small commercial ships. The present invention , it not only measures depth, but also explores the direction of traffic and the port and starboard sides. This is especially useful when cruising near coral reefs and navigating narrow channels with muddy sandy slopes. Ru.

Background technology Although side-looking radar and sonar devices are known, are such devices complex? They are expensive and are only available on large ships such as military ships.

Rotating cathode ray tube displays are used in known side-search radars and sonars. Ru. In such a display, when a new signal is displayed on the rotating arm, the old signal becomes invisible. Moreover, since negative J-ray tubes do not provide a high contrast display, Difficult to read in bright sunlight.

Disclosure of invention The object of the present invention is to provide a small and By providing an economical sonar system suitable for small and medium-sized vessels, the above-mentioned drawbacks can be minimized. The objective is to overcome or substantially improve at least one of the following:

According to the present invention, the search signal is transmitted to transducer means for transmitting said probing signal in said plurality of directions sequentially; control means for actuating said converter means to transmit a transmitted signal; a receiving means for receiving the signal after being reflected from the object, and determining the distance of the object from the received signal. signal processing means connected to the output of said receiving means to display means connected to said signal processing means for displaying the distance determined in said signal processing means; A boat sonar device is proposed for searching the direction of travel, port and starboard, consisting of Served.

Preferably, the sonar device waits until it is superseded by a newly measured signal. A display that uses liquid crystal display (LCD) segments that continuously display all measured values. has a

Preferably, the sonar device monitors forward depth at a distance related to bottom depth. do. This forward depth range can be set manually or automatically from the bottom depth. Calculated. Typically, depth in the forward direction and depth to port and starboard. depth) is measured at a distance of approximately 6 times the bottom depth. If desired, The navigator filj measures the transducer means and the edge-on depth or the stern depth as well. In addition, the related display means to be displayed can be disturbed.

Measurement signals representing port, heading, starboard and bottom depth are continuous until updated This allows simultaneous display of all signals. Moreover, pseudoana A log display can be obtained.

Preferably, the sonar device is activated when the forward depth changes by more than a selected amount. built-in alarm. This amount may be related to bottom depth. representative As a result, the amount of alarm increases and/or its pitch increases as the ship approaches obstacles such as reefs. increases when approaching . In yet another preferred implementation, different alarm tones are provided. Allows the operator to instantly distinguish audibly between port, starboard and forward obstructions. It is set up so that it can be done.

Typically, the display means is capable of displaying multiple depth ranges. The measurement signal is selected. If the selection range is outside the range, the alarm will indicate that the range selection requires a change or the gain is It is activated to indicate that an adjustment is required.

Sonar devices incorporate a transducer arrangement to transmit and receive signals in a desired direction. nothing. In one embodiment, a transducer is provided for each search direction. Each converter is selected Continuous for periods of time sufficient to transmit and receive echoes from the maximum range found connected. In other embodiments, a single transducer is physically located in the desired search direction. Directed. The received echoes are quantized into multiple time levels and stored. and displayed until the next echo is received for that particular search direction.

The number of temporal levels is related to the number of display segments selected for the display means. It will be done.

The transducer arrangement is a single module mounted inside the glass-reinforced plastic vessel hull. is preferably attached to the sparse support body or externally attached. Glass-reinforced plastic or ABS plastic underwater protection cover. It will be maintained and □j will be maintained.

Regardless of other forms of the invention, preferred implementations thereof are described below in connection with the accompanying drawings. do.

Brief description of the drawing FIG. 1 is a schematic plan view of a search pattern of a sonar device according to an embodiment of the present invention; Figure 2 is a side view of the exploration pattern in Figure 1; Figure 3 is the exploration of one beam in Figure 1. top view of the pattern, FIG. 4 shows a display layout for a sonar device, and FIG. 5 shows another embodiment of the invention. A schematic block circuit diagram of a sonar device according to FIG. 6 is a schematic block circuit diagram of the signal processing circuit in FIG. 5, and FIG. 7 is a schematic block diagram of the signal processing circuit in FIG. Some schematic block circuit diagrams, Figure 8 is a clock for use with the embodiment of Figure 5. Schematic block diagram of the circuit, FIG. 9 shows timing pulses for the circuits in FIGS. 5 to 8, FIG. 10 is a cross-sectional plan view of the transducer arrangement of one embodiment, and FIG. 11 is a transducer arrangement of another embodiment. 12 is a side view of a portion of the transducer of FIG. 11, and FIG. 13 is a cross-sectional plan view of the arrangement. FIG. 12 is a -i side side view of the transducer arrangement of FIG. 11;

Best mode for carrying out the entire invention As shown in FIGS. 1 to 6, the sonar device according to one embodiment of the present invention and port side 2 and starboard side, as well as failure depth (not shown). It is measured.

The beams are typically horizontal beams between 150 and 30°, circular 3 and 7-10°. It has a stationary beam deflection of °. Transducer channel allows beam to reach maximum range in shallow water It is arranged in the direction of travel almost reasonably so that the entire supply is supplied. Figure 1 shows five exploration methods. is indicated, but by appropriate design of the transducer means an appropriate number of probing directions can be obtained. Obtainable.

The design of the transducer means is described below. To keep things simple, we will use six beams below. , i.e. port side (P), heading direction FA) and right i (8) and depth measurement. A search pattern having a certain value will be explained below.

The circuit diagrams for sonar equipment are shown in Figs. 5 to 8. The first clock 50 is shown in Figure 9. Generate a pulse train as shown. The period of the first clock is from the desired maximum range. greater than the maximum time required for such signals to be transmitted and received. Kukotsukku 50 outputs provide continuous outputs MD, P, A, S and D as shown in FIG. 1 to 5 and the restart date counter 53 are incremented by 1. counter 53 The outputs are robust to the respective transducers for port, heading, starboard and depth beams. Single transducer for either excitation or port, heading, starboard or depth direction is connected to a converter multiplexer/dry node 55 that directs the This latter The apparatus is described below.

Also, each pulse from the first clock 50 is typically delayed by 10m5. The process proceeds to the delay circuit 51 where the signal is stored. A narrow pulse (typically 2m5) is the waveform T in Figure 9. For every pulse Q′i from clock pulse 50 as shown by be done. The narrow pulse T generates a transmitter 52 that outputs 4W from the oscillator, 71 One more counter 61 of the signal processing circuit 6D is reset. 10m5 delay is sending Allow a reed switch to connect the transducer to activate before the transducer pulse is fired. It is set up to accommodate This prevents sparks and radio frequency interference from crossing the contacts. 0 Upon reception of each narrow pulse, transmitter 52 connects converter multiplexer/driver 5 The signal is transmitted through all the transducers 54 selected by 5. The signal is at an appropriate frequency , for example, consists of 160 KH2. This signal is the direction in which transducer 54 is oriented. and after reflection from obstacles such as reefs, sand banks, etc. received. The received signal has a tendency for the signal level to be proportional to the time delay between the transmitted and received pulses. Same device with manual gain control and/or automatic gain correction multiplied by diagonal voltage. It is amplified in a modulation amplifier stage 57. This time-varying gain (TVG) is the signal that passes through water. Corrects normal attenuation of signals. The additional gain control stage is located at a distance of 5 times the zero and bottom depth. Can be included to destroy the gains of kneeling.

This gain stage is controlled by the period of the received echo from the bottom. Such a gain The controller is a signal close to the ship, and a change of quantity for the seven minutes and the song. : further from the ship allowing the operator to choose between the distant one island of the proboscis. By enabling the operator to adjust the gain of the exposed signal It can be provided on the front panel of the display 40 (=: Kd figure). ra・ The i-biased one-word pulse is outputted once at the detector stage 58 by its platform and its short duration. A filter stage 59 is included in the filter stage 59 to cool down interference spikes in the radio synchronous wave 5. Standard '1. The signal output from the filter stage 59 is the 8th signal (4=E6! JK, t) is the input to the signal processing stage 60, which is shown in detail. As shown in Figure 6, the signal is longer and shows higher level echoes. If the circuit 62 or it is generated by a fish, it is If it shows a small echo, it passes through circuit 66. The discriminator circuit distinguishes between the two types of echoes. 03 position switch 65 can be used to differentiate long or short Allow the operator to select whether to display echoes or both. outside A control (not shown) allows the threshold level of small echoes to be adjusted. can be provided on the front panel of the display. to chart recorder Additional "white line" stages such as those used are usually displayed separately from the bottom signal and not at the bottom. It can be included to display fish that are close to each other.

The signal accepted by circuit 62 is a long echo at all levels. is applied to a monostable trigger 64 having a pulse length sufficient to initiate an indication of Ru.

If both long and short echoes are selected by switch 65, the short echo ('A e.g. fish echoes) are displayed by the illumination of a special LCD bar above the depth reading. It will be done.

Signal processing circuit @60 provides 21 continuous pulse outputs and reset cycle It consists of a clock l counter 61. Kawanta 61 is withdrawn from Clock 50. The total measurement of the time difference between the transmitted and received pulses is used to. There are 16 connected to outputs 5 to 21 of counter 61. sub-circuit A1. A2...AI6. The number of subcircuits is LC for each beam display. corresponds to the number of D segments (see FIG. 4) and therefore requires an appropriate change in the counter 61. can be changed as desired.

One subcircuit is shown in detail in FIG. The error selected by switch 65 Cor signal, a narrow pulse from the clock 50 and the M of the counter 61 The output (timing) pulse from the X output is the input to the AND gate 71, Its output is connected to monostable 70.

The activated monostable therefore corresponds to the elapsed time of the received echo. monostable 70 The time period is greater than the period of the first clock 50. The output of each monostable 70 is a counter 4 7 depending on the signal from the corresponding output (P+ AI ST D) from 56 Lipflop (FFP, FFA, FFS.

FFD) is switched to one of the FFDs by a switch/multi-branch 72.

'7 Ribbon South to operate the floattub: 1 (a H name - "7" RI Decoration I SR1D R is drawn 11 from the output 21 of the counter 61 via the circuit 69. Zabu Dou Flip 7o tube FFP, FFA for each AjN).

■・・F　’-3, F　F　D respectively left - fire, direction of travel, stone width, depth display O N [1st] Nigume7)

Display, % change counter 61.・Frequency of “1/digital clock” input 17 things can be done by changing the numbers. Range clock frequency ( My clock 5 [key?] ft, which can be manually set to a predetermined part of the skin attack. So, Gg8 self-help range selection as shown in the figure is used once and twice each time ζ7 It may also be set automatically. In automatic range 1 bezawa circuit, port side, forward Full text of the row and starboard channels is nominally 10 times the depth of the bottom depth. Made.

Self-help range: In the Pezawa circuit, the second clock 80 is a divider (knee 20 )'ii Drive the date counter 82 via 81. Deketka Counter 19 (which is reset by the MD pulse generated by counter 56) It will be done.

In addition, counter 19 is stopped by an echo signal at the output of monostable 64.

One shift (between 1 and 200) of the counter when the "stop" signal is received is The next MD pulse from the counter 53 is stored by the counter 82. child The value of indicates the depth of water below the lead and the output of divider stage 85 is in counter 82. The clock frequency divided by the current count of a is 800.

Additional divider (-;-1O) 84 is P of the counter 53.

It can be cut by adding 1 to A and S cycles. Memory count of counter 82 (gender table) It is displayed on the digital ♂ indicator 85 on the display panel 4 [1].

77 times;, S u zo) j, y, place rc jj ('j j%""4 k f Toro motion-J-Xi j-, L: Ro-ku pre-left-wide, )gi whereabouts same month/, (ha line Strike [2 walls, 1 proof (・-) - λ)l 戊小し' I'm getting tired of it, so I'm going to report it (' C, Pugeraluru. At Uochi, the alarm episode (Raku (i1m usual, dumbfounded) 4.When entering the chamber, set the minimum depth manually, □121 Requires (- and shi〈(-'s functions. 1.Using the operating engine return circuit 1 (i-, the alarm circuit is fl.i. It is closed.

As shown in Figure 7r, jr:','(1,1K =, 4-way times, 1... Cosog(D'h+'P,F) F’　A.

rrD's) output (illuminated display) 2. The more bells dl, the more alarm. The alarm pitch is higher and the alarm pitch is higher. The signal is taken by the Σ·y detector circuit 68.

Additional circuits may be provided to provide one perforation of the minimum bottom depth.

This can be adjusted to select a height typically between 1 and 21 meters. function (/(can be done. Additionally, if the depth is selected (beyond and other alarms that act as anchor monitoring alarms at bottom depth times. can be added to the road.

A typical display panel 40 is shown in FIG. This panel has 5 exploration directions. are shown, two of them are on the port side, the other two are on the starboard side and the remaining one is missing. direction as well as digital depth measurement. Each LCD segment of the display forming an arcuate band of scanning beams. This arrangement of LCD segments creates a pseudo triggers a analog display that indicates whether an obstruction is in the direction of travel, port or starboard. The operator can see the information at a glance.

The flip-flop moving down the LCD segment looks like a pair due to the persistence of vision. multiplex display system that does not provide maximum contrast in bright sunlight On or off during each cycle, rather than being flushed abruptly as in the It will be turned off. In addition, the operator can confirm that the objects detected by the sonar are reefs, sand deposits, etc. You can instantly tell if it's an obstruction, such as, or just a reflection from a fish.

Other devices such as cathode ray tubes, multi-benchyard recorders or digital printers Appropriate display means are suitable for special uses such as strait writing. can be incorporated into. Each display means corresponds to each cycle of the first clock 5°. and then operate. Much of the hardware in the circuits described above is based on programmed micro It is obvious to a person familiar with the technology that it can be replaced by a processor. Dew. For example, a microprocessor determines and displays the interval between sending and receiving signals. can be programmed to display the appropriate beam measurement interval on the instrument 40. Wear.

FIG. 10 shows the transducer channel. Individual conversion 2 The vessels TP, TA, and TS are installed to explore the port side, heading direction, and starboard side. Ru. These transformers are placed inside a cast body 101 made from epoxy and granular cork. will be buried in A lead counterweight 100 balances the casting 101 around an axis 102. It is set up so that it can be Once the shaft 102 is mounted on a suitable bearing (not shown) The probe angle of the transducer can be varied by a very small amount. Also, the cast body 101 A special frame (described below) is used to stabilize the transducer structure against pitch 2 and roll. It can also be attached to Another transducer TD (not shown) measures depth. It is installed facing downwards.

The transducer arrangement described above is a single pivot transducer as shown in FIGS. 11-13. can be replaced by a container. In this example, a single transducer T The engineer uses epoxy and granular corrugation to reduce the effect of the signal from the back side of the transducer. It is incorporated into a casting body 110 made from a mixture of Also, this cast body 110 balances the cast body 110 around an iron rod or permanent magnet 118 and an axis 111. It includes a lead counterweight 115. The cast body 110 is placed inside a gunmetal housing 116. It is pivotable about an axis 111 on a bearing 112 incorporated in the. Also, electromagnetic Stones EP, EA, Es can also be attached to the housing 116 . Each electromagnet EP, EA, and E8 corresponds to the port, forward direction, and starboard search directions. respond. Electromagnets move the iron member 11 within the casting 110 in order to probe in different directions. 813 1. Let's make the flea retainer 110 turn until it is facing the magnet. ．． First quality second size car. Each E magnet is selected A/and is transmitted and received from the maximum range. Increase the time interval f=sufficiently to allow the signal to pass through. Depth of converter T1 Corresponding to the electromagnet with a gold eye A cuff; is provided. 31i toe)', the ore toru shows "78 digits L, the interval There were all Ih゛; A　　　l　4 Naotoshi stones were set up for the direction of the ribbon change. It is obvious that the person who made the change is the person who made the 1 drop. Oh, wow.

Housing 116 is connected to housing 1 when the ship pitches up and pitches down. 16 is horizontally extended around the spindle 117 in the frame 120: 3. In addition, when the frame 120 is rocking on the left and right 1, the frame 120 and and pivoted about the bearing 116 so that the casing 116 remains horizontal. . The bearing 116 is attached to a gunmetal body A (not shown) fixed to the bottom of the ship's hull. I get kicked.

A second transducer T, is provided to measure the bottom depth. This converter T is a frame It is pivoted on body 120 about axis 114 and stabilized against pitch.

Instead of having a separate transducer T2 to measure the bottom depth, the transducer Tl is Pivoted at point 119 so that it can be tilted to probe simultaneously. I can do it. An additional set of electromagnets 121 are installed along the arc 122. Then, an additional iron bar tilts the T□ downward. (5) It is attached above 1゛ in the first place. Additional magnet 121 (1 zu 1 It becomes a part of the negative body 110, and Tyu is recited within the corpse i10. force structure 110 also needs to be rebalanced around ring 111.

j) Law 118 in Sen-0 body 110 is exemplified at the same time as E, , E□, E, 3 It can be filmed by permanent magnets or electromagnets. In addition, the opposing magnetic field can be generated by reversing the direction of commutation through an unrefined electromagnet. can. f. In other words, EP and No. 1 No. 3 are the same as law 118, which is contrary to law 118. The direction EA and the iron rod 118 are energized by the attractive magnetic field. limited power only For cruising yachts that can be used, the iron member 118 is preferably It's a magnet.

The reverse magnetic field applied to each electromagnet for a short period of time when the energizing field is turned off causes the magnetic field in its core to Hysteresis leaves a weak opposing magnetic field in each deenergized 'i↓ relaxation magnet. Therefore, with Only the energized electromagnet attracts the iron bar or magnet 118, while the deenergized n magnet attracts the iron bar or magnet 118. It is repelled by the iron bar or magnet 118.

The above are only some embodiments of the invention, and those skilled in the art All modifications that are obvious to the scope of the invention as defined in the following claims This can be done without deviating from the boundaries.

Hearings of amended claims Translation of amendment should be submitted (Patent Law No. 184 Shiba-7, Paragraph 1) June 29, 1980 Mr. Manabu Shiga, Commissioner of the Patent Office 1, b Drifter j Sensai No. PCT/AU 831001592 Name of invention 6. Patent applicant Name: Levy, Desmond James (and 1 other person) Raikou Patent Office Telephone (581)-9601 (gap) 5, Submission date of amendment 1 February 14, 984 6, right 4 inch shield prisoner catalog (1) 1 translation of bunsho tatami (Received by ml-bureau on February 14, 1984 (14,02,84)) 1. (Amendment) Travel direction, pressure and stones: 2 in the boat's inner gear for foraging, The boat's direction of travel is searched in multiple distinct directions, including ratio 2 and right, α. Converter means for transmitting signals; transmitting signals to the above-mentioned 〒Med. control means for operating said converter means to Receiving means for receiving the signal after reflection from an object in the direction Vc3; the received signal in the direction Vc3; to determine the distance E;- of the objects and their respective directions from the receiving signal processing means connected to the output of the means; and [in order to display the distance traveled] t child display means, wherein the display means corresponds to the orientation of the feeding direction; a display panel consisting of a plurality of electronic elements arranged on the sonar; The distance 2 and direction of the object detected by the device determine the operating state of the electro-optical system. A sonar device O characterized by Z (correction) The electron-element remainder is a liquid crystal display segment [the display means is a multi-column] [consisting of] [each of them oriented in a direction representing one of said floor i-gyri] , the distance of a detected object in a particular direction is determined by the illuminated LCD segment of the column The sonar according to claim 1, characterized in that: - equipment.

〒aμ, the distance of the sides, which I understood from the - The display changes due to the movement of the segment on the corresponding LCD, Then, the production side of the LCD segment of 1tj2 of 1mi no 1j is the bottom 7 or It is a huge mountain in Kyoto that shows the moving body as if it were an embryo. The bed according to item 2.

[i, which is characterized by consisting of Shiko Shimata, the 7th uncle of In the 1st column, IiL section [Case 1 tool or 2nd section] section 6, for the direction of self-improvement. [Me, IIJJ] In the casing containing the +RI electromagnet [within] pivotable levers, each of which allows said transducer element to be attached to said electromagnet; ), it is assumed that the j-order direction between the search and credit sides is a coincidence. Claim 1st The sonar device described in paragraph [or paragraph 2] Device〕.

6 The transducer handle is mounted within a housing on the hull of the boat and is associated with the hull. In the 4th or 5th section of the ml-free watch, it is not acceptable to wait until the end of the month. In addition, it is requested that the measurement and display means shall be provided with a fee. The scope of the request is for item 4 and item 5 (any of the previous items) for self-resistance or sonar equipment.

(7,) a said transducer means keep im at a depth of water below said boat: 1-ra n The length L'-pal; A6S1] Section 7 and ζ) Sonar device.

(8,) 9 roughness ζ, the predetermined size of the main phlegm - the alarm is fully activated according to the stool of the person. In order to supply the above-mentioned No. Q song of ml water with six lines and a dead sentence [separate section] 47 items i < 1-IL-full C N1-11.

[9,:110. The said alarm called that go taka 2 ゛ and /=j (α stone - J gu was 3 It is characterized in that an audible signal indicating the distance of a known object is along the same line. Scope of Requirement [Section 8] Sonar device u0 described in item 49 [10, The sound quality of the alarm should indicate that the distance of the detected object is 42 yen. Section 8 of the claim, which is a single sentence, includes the red fire sonar device. ] 11. 1jiJ signal processing means shall be exempted from being comprised of a microprocessor. Sonar S as described in any of the preceding paragraphs! 12μ○ international search report

Claims (1)

[Claims] 1. In the boat tuna to find the direction of travel, port side and right 1st string - equipment , search in multiple distinct directions including boat heading, port and starboard transducer means for transmitting a signal; for transmitting the probe signal sequentially in the plurality of directions; an electronic control I! for energizing said transducer means; 1 means; transmitting the transmitted signal; Receiving means for receiving after reflection from an object; measuring the distance of the object from the received signal; signal processing means connected to the output of said receiving means for determining; and a respective a display connected to said signal processing means for displaying the distance determined in the direction; A sonar device characterized in that it consists of a means. 2. said display means comprises a plurality of rows of liquid crystal display segments, each of said Distance of an object oriented in a direction representative of one of the directions and detected in a particular direction is indicated by the number of illuminated LCD segments in the corresponding column. A sonar device according to claim 1. (b) said transducer means comprises a plurality of transducer elements each oriented in one of said probing directions; The sonar device 04 according to claim 1 or 2, said transducer means being pivotable for orientation in any one of said transducer directions; A special device consisting of a device element. 6 5. The transducer includes a plurality of electromagnets oriented in a direction corresponding to the exploration direction. is pivotable within a casing that is connected to the electromagnet, such that the transducer element Claims characterized in that the probe is sequentially directed in the exploration direction by a series of biasing. The sonar device according to clause 4. (B) Furthermore, it consists of depth measurement p and display means 4! j. Scope of Claims in the preceding paragraph Sonar armor 1 mentioned in any of the above. input said transducer means at a distance related to the depth of water below said port. 7. The sonar device according to claim 6, wherein the sonar device performs a search. a further to provide an alarm upon detection of an object within a predetermined distance; A claim characterized in that it comprises alarm means connected to the output of said signal processing means. Scope of request: The sonar device described in any of the preceding items. 2 The alarm provides an audible signal whose volume indicates the distance of the detected object. 9. The sonar device according to claim 8, characterized in that: 10. The alarm is characterized in that its sound quality indicates the distance of the detected object. The sonar device according to claim 8. 11. The method according to claim 1, wherein the signal processing means comprises a microprocessor. Range Inner device a0 described in any of the preceding paragraphs