CN112327809A - Obstacle detection device and method for ship lock control system - Google Patents
Obstacle detection device and method for ship lock control system Download PDFInfo
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- CN112327809A CN112327809A CN202011278740.3A CN202011278740A CN112327809A CN 112327809 A CN112327809 A CN 112327809A CN 202011278740 A CN202011278740 A CN 202011278740A CN 112327809 A CN112327809 A CN 112327809A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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- G05B2219/24065—Real time diagnostics
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The invention relates to an obstacle detection device and method for a ship lock control system. The problem that in the prior art, a barrier detection device in a ship lock control system detects data inaccurately and the detection process is complex is solved. It includes that a plurality of from top to bottom set gradually and lie in surface of water top and the infrared sensor detecting element of surface of water below, and each infrared sensor detecting element all has the infrared emission subassembly and the infrared receiving component that correspond the setting each other and link to each other with the controller respectively, and the controller links to each other with at least one level sensor. The water level sensor detects current water level information and sends the current water level information to the controller, and the controller filters detection data of the infrared sensor detection unit positioned below the water surface, judges barrier information of a current lock area according to the detection data of the infrared sensor detection unit positioned above the water surface, and transmits the barrier information to the ship lock control unit so as to control the ship lock to act. The invention has the advantages that: the detected data is more accurate, and the detection method is simple.
Description
Technical Field
The invention relates to the technical field of industrial equipment control, in particular to a barrier detection device and a barrier detection method for a ship lock control system.
Background
With the development of social production and construction, the traffic and transportation industry is rising, and water transportation is more and more vigorous besides roads and air. More and more ships are operated in the channel, and the requirement of traffic control on water is also higher and higher, not only the river course, lake surface in addition, can all have the management and control to the ship navigation, and opening and closing of ship lock is a more common management and control mode, opens when needs, lets the ship pass through, and some channel or lake area need restrict the time, can close the ship lock and forbid the ship to pass through. The ship is gone and is gone with the car on the road surface in aqueous greatly different, because rivers greatly influence the motion of ship, in the place that sets up the ship lock, need predetermine the state of lock ship and barrier in advance, the on-off control of the ship lock of being convenient for prevents because of the accident that the control is improper arouses. The existing ship lock control system generally has an obstacle detection device, and at present, the modes of infrared correlation, ultrasonic detection, visual detection, laser radar scanning and the like are more used. Wherein:
the method is simple to realize, generally, the infrared correlation scheme is installed above the highest water level to prevent flooding, the difference between the highest water level and the lowest water level of a plurality of water areas is more than 60 centimeters, and when the water level is lowest, 60 centimeters of neutral positions cannot be detected and the detection of short obstacles is lost in practical use.
Secondly, ultrasonic detection is also influenced by the difference between high and low water levels and is also easily influenced by water surface waves to misjudge, and the detection of short and short obstacles is lost;
vision detection and laser radar scanning then check out test set is complicated, and the calculated amount is big, generally needs computer-aided calculation, and the cost is high to receive the water level height equally, surface of water wave influences.
And fourthly, in the infrared correlation scheme, a plurality of groups of infrared detectors are needed, the transmitting circuit works independently, namely different transmitting and receiving units work in a time-sharing manner, a large amount of I/O interface resources are needed, and the cost is high.
In summary, the barrier detection device in the existing ship lock control system needs a large amount of interface resources, and is high in cost; the obstacle detection process is complex, and the data is not accurate enough.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses an infrared obstacle detection device and an obstacle detection robot [ CN201721738951.4], which includes N transmitting terminals, N receiving terminals, and an infrared component; each infrared assembly comprises N infrared transmitting tubes and N infrared receiving tubes which are arranged in pairs; each transmitting end is respectively connected with one infrared transmitting tube of each infrared assembly; each receiving end is respectively connected with N infrared receiving tubes of a group of infrared assemblies. The infrared obstacle detection device and the obstacle detection robot are simultaneously connected with the plurality of receiving units and the plurality of transmitting units in parallel, each transmitting end is respectively connected with one infrared transmitting tube of each infrared assembly, each receiving end is respectively connected with all infrared receiving tubes of one group of infrared assemblies, obstacles can be effectively identified according to whether the infrared receiving tubes receive infrared light transmitted by the infrared transmitting tubes, and the requirement for the number of I/O interfaces is lowered.
The above scheme solves the problems that in the prior art, a large amount of interface resources are needed for the barrier detection device in the ship lock control system, and the cost is high to a certain extent, but the scheme still has many defects, such as: the obstacle detection process is relatively complicated, and the data detection result is not accurate enough.
Disclosure of Invention
The invention aims to solve the problems and provides an obstacle detection device for a ship lock control system, which has a simple structure and accurate data detection.
The invention aims to solve the problems and provides an obstacle detection method for a ship lock control system, which is reasonable in design and simple in detection method.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a barrier detection device for ship lock control system, includes a plurality of infrared sensor detecting element that from the top down sets gradually and is located surface of water top and surface of water below, and each infrared sensor detecting element all has the infrared emission subassembly and the infrared receiving component that correspond the setting each other and link to each other with the controller respectively, and the controller links to each other with at least one level sensor. Utilize infrared emission subassembly and infrared receiving assembly to detect barrier data, detect the water level and send data to the controller through level sensor, the infrared sensor detecting element's of the position below the surface of water detection data is filtered automatically to the controller, remain the detecting data that lies in the infrared sensor detecting element above the surface of water, be used for calculating floodgate district barrier information, simple structure not only detects through multiunit infrared sensor detecting element moreover, and the invalid data of initiative filtration, the testing result is accurate.
In the above obstacle detection device for the ship lock control system, the infrared emission component in any one of the two adjacent infrared sensor detection units and the infrared reception component in the remaining one of the two adjacent infrared sensor detection units are arranged in a vertically corresponding manner, the infrared reception component in any one of the two adjacent infrared sensor detection units and the infrared emission component in the remaining one of the two adjacent infrared sensor detection units are arranged in a vertically corresponding manner, and the infrared emission component and the infrared reception component in each infrared sensor detection unit are mutually crossed and are arranged in a vertically equidistant manner. The cross arrangement can effectively prevent the crosstalk of the infrared detection data.
In the above mentioned obstacle detection device for ship lock control system, the device further comprises two waterproof housings which are vertically arranged through a vertical mounting structure, and the infrared emission component and the infrared receiving component of the same infrared sensor detection unit are respectively arranged in the two waterproof housings in a one-to-one correspondence manner. The waterproof shell can ensure the normal work of the infrared sensor detection unit and improve the waterproof performance.
In foretell an obstacle detection device for ship lock control system, vertical mounting structure includes the fixed mounting post of two vertical settings, and fixed mounting post one end is exposed above the surface of water, and the other end is located the surface of water below, and waterproof casing sets up respectively in the corresponding one side of fixed mounting post and along the setting of fixed mounting post axial extension.
In the above mentioned obstacle detection device for a ship lock control system, the waterproof casing is a tubular structure with two closed ends and a closed cavity, the cross section of the waterproof casing is in a water drop shape, one side of the waterproof casing connected with the fixed mounting column is provided with an inner arc part, the other side is provided with an outer arc part, the width of the inner arc part is larger than that of the outer arc part, and the waterproof casing is made of a light-transmitting material; or the outer arc part of the waterproof shell corresponds to the infrared transmitting assembly and the infrared receiving assembly, and the outer arc part is made of a light-transmitting material. The waterproof shell made of the light-transmitting material enables the infrared data transmitting and receiving effects of the infrared transmitting assembly and the infrared receiving assembly to be better.
In foretell an obstacle detection device for ship lock control system, infrared emission subassembly is including setting up the circuit board mount pad that just is close to inboard arc portion one side both ends in waterproof housing, the circuit board mount pad is respectively along waterproof housing axial extension and the setting that corresponds each other, and form the circuit board mounting groove between the circuit board mount pad, the joint has infrared emission circuit board in the circuit board mounting groove, infrared emission circuit board is last to have the infrared emission pipe that corresponds with outside arc portion, and the peripheral cover in infrared emission pipe circumference is equipped with the transmission light shield body, and transmission light shield body one end links to each other with infrared emission circuit board, the other end has openly, and uncovered department is equipped with the condensing lens corresponding with infrared emission pipe. The condensing lens and the emission light shield body can reduce the dispersion of infrared light and reduce the crosstalk between adjacent beams.
In the above obstacle detection device for the ship lock control system, the infrared receiving assembly includes an infrared receiving circuit board clamped in a circuit board mounting groove, the infrared receiving circuit board is provided with an infrared receiving tube facing to an outer arc part, a receiving light shielding cover body is sleeved on the periphery of the infrared receiving tube, one end of the transmitting light shielding cover body is connected with the infrared receiving circuit board, and the other end of the transmitting light shielding cover body extends to the outer side of one end of the infrared receiving tube far away from the infrared transmitting circuit board and is coaxially connected with a light guide column; the infrared transmitting tube of the infrared transmitting assembly and the infrared receiving tube of the infrared receiving assembly in the same infrared sensor detection unit are arranged correspondingly. The light guide column can reduce the entrance of oblique infrared light from the non-corresponding infrared transmitting tube and reduce the crosstalk among light beams; and the shading effect of leaded light post also can reduce the interference of solar ray, improves the accuracy that data detected.
In the above obstacle detecting apparatus for a ship lock control system, the lower end of any one of the two waterproof casings is connected with a water level sensor, and the controller is connected with a ship lock control unit. The water level sensor is used for detecting water pressure, so that the controller can conveniently filter detection data of the infrared sensor detection unit positioned under water.
An obstacle detecting method for a ship lock control system is provided according to the obstacle detecting device for the ship lock control system, and the method comprises the following steps:
s1, the water level sensor detects current water level information and sends the current water level information to the controller, the controller judges whether each infrared sensor detection unit is located above or below the water surface according to the current water level information, the controller filters detection data of the infrared sensor detection unit located below the water surface, and only the detection data of the infrared sensor detection unit located above the water surface are reserved;
and S2, the controller judges the barrier information of the current lock area according to the detection data of the infrared sensor detection unit above the water surface and transmits the barrier information to the ship lock control unit for controlling the ship lock to act.
In the above obstacle detection method for a ship lock control system, in step S1, infrared emission directions of infrared emission assemblies of two adjacent infrared sensor detection units are opposite and in staggered parallel correlation, and data transmission and reception of the infrared emission assemblies and the infrared reception assemblies of the two adjacent infrared sensor detection units are digitally encrypted;
in the above-mentioned obstacle detection method for a ship lock control system, in step S2, when the infrared ray beams of at least two adjacent infrared sensor detection units are blocked, the controller determines that there is an obstacle in the current lock area, and when the infrared ray beam of one of the infrared sensor detection units or the infrared sensor detection units disposed at intervals is blocked, the controller determines that there is no obstacle in the current lock area.
Compared with the prior art, the invention has the advantages that: the water level sensor is used for detecting water pressure, the controller actively filters detection data of the infrared sensor detection units under water through water pressure data, and retains detection data of the infrared sensor detection units above the water surface to calculate barrier information in a gate area; wherein the data receiving and dispatching of infrared emission subassembly and infrared receiving component is through digital encryption, and is sheltered from when two at least adjacent infrared sensor detecting element's infrared ray beam, and the controller judges that there is the barrier in the current floodgate district, and when one of them infrared sensor detecting element or the infrared sensor detecting element's of interval setting infrared ray beam is sheltered from, the controller judges that there is not the barrier in current floodgate district. The detection of no dead angle of the barrier is realized through the feedback of the infrared sensor detection units, the safe and effective operation of ships and ship locks is guaranteed, the structure is simple, the detection method is more scientific and reasonable, and the detected data result is more accurate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a partial structural connection block diagram of the present invention.
In the figure, the infrared sensor detection unit 1, the controller 2, the infrared emission component 3, the circuit board mounting seat 31, the circuit board mounting groove 32, the infrared emission circuit board 33, the infrared emission tube 34, the emission light shield body 35, the opening 36, the condenser lens 37, the infrared receiving component 4, the infrared receiving circuit board 41, the infrared receiving tube 42, the receiving light shield body 43, the light guide column 44, the water level sensor 5, the vertical mounting structure 6, the fixed mounting column 61, the waterproof housing 7, the closed cavity 71, the inner arc-shaped part 72, the outer arc-shaped part 73, and the ship lock control unit 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, an obstacle detection device for a ship lock control system comprises a plurality of infrared sensor detection units 1 which are sequentially arranged from top to bottom and are positioned above a water surface and below the water surface, each infrared sensor detection unit 1 is provided with an infrared emission component 3 and an infrared receiving component 4 which are correspondingly arranged and respectively connected with a controller 2, and the controller 2 is connected with at least one water level sensor 5. The infrared emission assemblies 3 and the infrared receiving assemblies 4 which are correspondingly arranged mutually are in mutual correlation through a plurality of groups, and data are sent to the controller 2 in time, the controller 2 actively filters detection data of the infrared sensor detection unit 1 which is positioned under water through water level data detected by the water level sensor 5, and the detection data of the infrared sensor detection unit 1 which is positioned on water are reserved; the device realizes the detection of the barrier without dead angles, ensures the safe and effective operation of ships and ship locks, and has the advantages of simple structure and accurate detection result.
Wherein, the infrared emission subassembly 3 in the arbitrary infrared sensor detecting unit 1 in two adjacent infrared sensor detecting units 1 and the infrared receiving subassembly 4 in the infrared sensor detecting unit 1 of surplus correspond the setting from top to bottom, the infrared receiving subassembly 4 in the arbitrary infrared sensor detecting unit 1 in two adjacent infrared sensor detecting units 1 and the infrared emission subassembly 3 in the infrared sensor detecting unit 1 of surplus correspond the setting from top to bottom, and the infrared emission subassembly 3 and the infrared receiving subassembly 4 intercross in each infrared sensor detecting unit 1 and be vertical equidistant distribution setting. The crosstalk and false triggering of the adjacent infrared sensor detection units 1 can be effectively prevented in a cross correlation mode, and the accuracy of a detection result is improved.
Visibly, the device also comprises two waterproof shells 7 which are vertically arranged through vertical mounting structures 6 respectively, and the infrared emission assemblies 3 and the infrared receiving assemblies 4 of the same infrared sensor detection unit 1 are correspondingly arranged in the two waterproof shells 7 one by one respectively. Through establish waterproof casing 7 at infrared sensor detecting element 1 outside cover, infrared sensor detecting element 1 work does not receive the influence of water level height and surface of water wave.
Further, vertical mounting structure 6 includes the fixed mounting post 61 of two vertical settings, and fixed mounting post 61 one end exposes the surface of water top, and the other end is located the surface of water below, and waterproof casing 7 sets up respectively in the corresponding one side of fixed mounting post 61 and along the setting of fixed mounting post 61 axial extension. Make waterproof casing 7's stability better through fixed mounting post 61, and then improve infrared sensor detecting element 1's data detection's accuracy.
Specifically, the waterproof housing 7 is a tubular structure with two closed ends and a closed cavity 71, the cross section of the waterproof housing 7 is in a water drop shape, one side of the waterproof housing 7 connected with the fixed mounting column 61 is provided with an inner arc-shaped part 72, the other side is provided with an outer arc-shaped part 73, the width of the inner arc-shaped part 72 is larger than that of the outer arc-shaped part 73, and the waterproof housing 7 is made of a light-transmitting material; alternatively, the outer arc portion of the waterproof case 7 corresponds to the infrared emission module 3 and the infrared reception module 4, and the outer arc portion 73 is made of a light transmitting material. This arrangement makes the light transmission of the waterproof case 7 better, and reduces the infrared light loss of the infrared radiation unit 3 and the infrared reception unit 4.
In detail, infrared emission subassembly 3 is including setting up the circuit board mount pad 31 that just is close to inboard arc portion 72 one side both ends in waterproof casing 7, circuit board mount pad 31 respectively along waterproof casing 7 axial extension and mutual corresponding setting, and form circuit board mounting groove 32 between the circuit board mount pad 31, the joint has infrared emission circuit board 33 in circuit board mounting groove 32, infrared emission circuit board 33 is last to have infrared emission pipe 34 corresponding with outside arc portion 73, and the peripheral cover in infrared emission pipe 34 circumference is equipped with emission light shield body 35, and emission light shield body 35 one end links to each other with infrared emission circuit board 33, the other end has uncovered 36, and uncovered 36 department is equipped with the condensing lens 37 corresponding with infrared emission pipe 34. The use of the condenser lens 37 and the emission mask body 35 can reduce the dispersion of infrared light and reduce crosstalk between adjacent beams.
Preferably, the infrared receiving assembly 4 includes an infrared receiving circuit board 41 clamped in the circuit board mounting groove 32, an infrared receiving tube 42 facing the outside arc part 73 is arranged on the infrared receiving circuit board 41, a receiving light shielding cover 43 is sleeved on the periphery of the infrared receiving tube 42, one end of the transmitting light shielding cover 35 is connected with the infrared receiving circuit board 41, and the other end extends to the outside of one end of the infrared receiving tube 42 far away from the infrared transmitting circuit board 33 and is coaxially connected with a light guiding column 44; the infrared transmitting tube 34 of the infrared transmitting assembly 3 and the infrared receiving tube 42 of the infrared receiving assembly 4 in the same infrared sensor detecting unit 1 are arranged corresponding to each other. The light guide column 44 can reduce the entrance of oblique infrared light from the non-corresponding infrared transmitting tube 34, and reduce crosstalk between beams; and the shading effect of the light guide column 44 can also reduce the interference of solar rays, and improve the accuracy of data detection.
Further, a water level sensor 5 is connected to the lower end of any one of the two waterproof cases 7, and the controller 2 is connected to a ship lock control unit 8. The water level sensor 5 detects water pressure, so that the controller 2 can filter detection data of the infrared sensor detection unit 1 positioned under water conveniently.
A method for detecting an obstacle for a ship lock control system specifically comprises the following steps:
s1, the water level sensor 5 detects current water level information and sends the current water level information to the controller 2, the controller 2 judges whether each infrared sensor detection unit 1 is located above the water surface or below the water surface according to the current water level information, the controller 2 filters detection data of the infrared sensor detection unit 1 located below the water surface, and only the detection data of the infrared sensor detection unit 1 located above the water surface are reserved; the water pressure sensor 5 is hung at an appropriate position under water in a detection water area, the current water level can be detected through parameter adjustment, the water pressure sensor 5 sends the position of the current water level to the controller 2, the controller 2 judges infrared sensing data below the current water level to be invalid data according to the position information of the current water level, the infrared sensing data are automatically removed, and only the above valid data are processed.
And S2, the controller 2 judges the barrier information of the current lock area according to the detection data of the infrared sensor detection unit 1 above the water surface and transmits the barrier information to the ship lock control unit 8 for controlling the ship lock to act.
In step S1, the infrared emission directions of the infrared emission assemblies 3 of two adjacent infrared sensor detection units 1 are opposite and are in staggered parallel correlation, and the data transceiving of the infrared emission assemblies 3 and the infrared reception assemblies 4 of two adjacent infrared sensor detection units 1 is digitally encrypted; the infrared transmitting component 3 is controlled by the single chip microcomputer to transmit coded infrared light, the opposite corresponding infrared receiving component 4 synchronously receives the coded infrared light, the coded infrared light is decoded by the single chip microcomputer and can be normally received, the coded infrared light shows that the light is not shielded, and otherwise, the coded infrared light shows that the coded infrared light is shielded.
Next, in step S2, when the infrared light beams of at least two adjacent infrared sensor detecting units 1 are blocked, the controller 2 determines that there is an obstacle in the current gate area, and when the infrared light beam of one of the infrared sensor detecting units 1 or the infrared sensor detecting units 1 disposed at intervals is blocked, the controller 2 determines that there is no obstacle in the current gate area.
The principle of the embodiment is as follows: the infrared emission directions of the infrared emission assemblies 3 of two adjacent infrared sensor detection units 1 are opposite and staggered and in parallel correlation, the infrared reception assemblies 4 corresponding to the two adjacent infrared sensor detection units 1 receive the encrypted infrared light, the current water level information is sent to the controller 2 through the water pressure sensor 5, the controller 2 judges the infrared sensing data below the current water level as invalid data according to the position information of the current water level, the invalid data is automatically removed, and only the above valid data is processed; and when the infrared light beams of at least two adjacent infrared sensor detection units 1 are blocked, the controller 2 judges that the current gate area has an obstacle, and when the infrared light beam of one infrared sensor detection unit 1 or the infrared sensor detection units 1 arranged at intervals is blocked, the controller 2 judges that the current gate area has no obstacle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the infrared sensor detecting unit 1, the controller 2, the infrared emitting component 3, the circuit board mounting seat 31, the circuit board mounting groove 32, the infrared emitting circuit board 33, the infrared emitting tube 34, the emitting light shielding cover 35, the opening 36, the condenser lens 37, the infrared receiving component 4, the infrared receiving circuit board 41, the infrared receiving tube 42, the receiving light shielding cover 43, the light guiding pillar 44, the water level sensor 5, the vertical mounting structure 6, the fixed mounting pillar 61, the waterproof case 7, the closed cavity 71, the inner arc 72, the outer arc 73, the ship lock control unit 8, etc., are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a barrier detection device for ship lock control system, includes a plurality of infrared sensor detecting element (1) that from the top down set gradually and be located surface of water top and surface of water below, its characterized in that, each infrared sensor detecting element (1) all has and corresponds the setting each other and infrared emission subassembly (3) and infrared receiving assembly (4) that link to each other with controller (2) respectively, controller (2) link to each other with at least one level sensor (5).
2. The obstacle detection device for the ship lock control system according to claim 1, wherein the infrared emission component (3) in any one infrared sensor detection unit (1) of two adjacent infrared sensor detection units (1) and the infrared receiving component (4) in the remaining one infrared sensor detection unit (1) are arranged correspondingly up and down, the infrared receiving component (4) in any one infrared sensor detection unit (1) of two adjacent infrared sensor detection units (1) and the infrared emission component (3) in the remaining one infrared sensor detection unit (1) are arranged correspondingly up and down, and the infrared emission component (3) and the infrared receiving component (4) in each infrared sensor detection unit (1) are mutually crossed and are vertically arranged at equal intervals.
3. The obstacle detection device for the ship lock control system according to claim 1, further comprising two waterproof housings (7) vertically arranged by vertical mounting structures (6), wherein the infrared emitting assemblies (3) and the infrared receiving assemblies (4) of the same infrared sensor detection unit (1) are respectively arranged in the two waterproof housings (7) in a one-to-one correspondence.
4. The obstacle detection device for the ship lock control system according to claim 3, wherein the vertical mounting structure (6) comprises two vertically arranged fixed mounting columns (61), one end of each fixed mounting column (61) is exposed above the water surface, the other end of each fixed mounting column is positioned below the water surface, and the waterproof housings (7) are respectively arranged on one corresponding side of each fixed mounting column (61) and axially extend along the fixed mounting columns (61).
5. The obstacle detection device for the ship lock control system according to claim 4, wherein the waterproof housing (7) is a tubular structure with two closed ends and a closed cavity (71), the cross section of the waterproof housing (7) is in a water drop shape, one side of the waterproof housing (7) connected with the fixed mounting column (61) is provided with an inner arc part (72), the other side is provided with an outer arc part (73), the width of the inner arc part (72) is larger than that of the outer arc part (73), and the waterproof housing (7) is made of a light-transmitting material; or the outer arc part of the waterproof shell (7) corresponds to the infrared emission component (3) and the infrared receiving component (4), and the outer arc part (73) is made of a light-transmitting material.
6. The obstacle detection device for the ship lock control system according to claim 5, wherein the infrared emission assembly (3) comprises circuit board installation seats (31) which are arranged in the waterproof housing (7) and are close to two ends of one side of the inner side arc-shaped part (72), the circuit board installation seats (31) respectively extend along the axial direction of the waterproof housing (7) and are arranged correspondingly to each other, a circuit board installation groove (32) is formed between the circuit board installation seats (31), an infrared emission circuit board (33) is clamped in the circuit board installation groove (32), the infrared emission circuit board (33) is provided with an infrared emission tube (34) corresponding to the outer side arc-shaped part (73), the periphery of the infrared emission tube (34) is sleeved with an emission light-shielding cover body (35), and one end of the emission light-shielding cover body (35) is connected with the infrared emission circuit board (33), the other end is provided with an opening (36), and a condenser (37) corresponding to the infrared emission tube (34) is arranged at the opening (36).
7. The obstacle detection device for the ship lock control system according to claim 6, wherein the infrared receiving assembly (4) comprises an infrared receiving circuit board (41) clamped in the circuit board mounting groove (32), the infrared receiving circuit board (41) is provided with an infrared receiving tube (42) facing to the arc part (73) at the outer side, the periphery of the infrared receiving tube (42) is sleeved with a receiving light shielding cover body (43), one end of the emitting light shielding cover body (35) is connected with the infrared receiving circuit board (41), the other end of the emitting light shielding cover body extends to the outer side of the end of the infrared receiving tube (42) far away from the infrared emitting circuit board (33), and a light guide column (44) is coaxially connected with the end of the infrared receiving tube (42); an infrared transmitting tube (34) of an infrared transmitting assembly (3) and an infrared receiving tube (42) of an infrared receiving assembly (4) in the same infrared sensor detection unit (1) are arranged correspondingly to each other.
8. An obstacle detecting device for a ship lock control system according to any of claims 3-7, characterized in that a water level sensor (5) is connected to the lower end of any one of the two watertight housings (7), and the controller (2) is connected to the ship lock control unit (8).
9. An obstacle detecting method for a ship lock control system of an obstacle detecting device for a ship lock control system according to claims 1-8, characterized in that the method comprises the following steps:
s1, the water level sensor (5) detects current water level information and sends the current water level information to the controller (2), the controller (2) judges whether each infrared sensor detection unit (1) is located above or below the water surface according to the current water level information, the controller (2) filters detection data of the infrared sensor detection unit (1) located below the water surface, and only detection data of the infrared sensor detection unit (1) located above the water surface are reserved;
s2, the controller (2) judges the barrier information of the current lock area according to the detection data of the infrared sensor detection unit (1) above the water surface and transmits the barrier information to the ship lock control unit (8) for controlling the ship lock to act.
10. The obstacle detection method for a ship lock control system according to claim 9,
in step S1, the infrared emission directions of the infrared emission assemblies (3) of two adjacent infrared sensor detection units (1) are opposite and are in staggered parallel correlation, and data transceiving of the infrared emission assemblies (3) and the infrared reception assemblies (4) of two adjacent infrared sensor detection units (1) is digitally encrypted;
in step S2, when the infrared light beams of at least two adjacent infrared sensor detecting units (1) are blocked, the controller (2) determines that there is an obstacle in the current gate area, and when one of the infrared sensor detecting units (1) or the infrared light beams of the infrared sensor detecting units (1) disposed at intervals are blocked, the controller (2) determines that there is no obstacle in the current gate area.
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| CN202011278740.3A CN112327809B (en) | 2020-11-16 | 2020-11-16 | Obstacle detection device and method for ship lock control system |
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| CN202011278740.3A CN112327809B (en) | 2020-11-16 | 2020-11-16 | Obstacle detection device and method for ship lock control system |
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| CN112327809B CN112327809B (en) | 2022-11-15 |
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| CN (1) | CN112327809B (en) |
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