CN218546782U - Hydrologic cableway-based test water surface flow velocity river bottom signal generation and transmission device - Google Patents

Abstract

The utility model relates to a water surface flow velocity river bottom signal generation and sending device based on hydrology cableway test, it has the fish lead, the current meter, surface of water signal generator, river bottom signal generator and wireless signal transmitter, the current meter is installed at the fish lead head, surface of water signal generator installs at the fish lead fin, it is an insulation board that fixes on the fish lead, there is binding post on the insulation board, the river bottom signal generator is installed in the fish lead bottom, it has base, atress preforming and reset spring, normally open reed pipe and reset spring are installed on the base, the atress preforming hinge is installed on the base and is supported by reset spring, magnet is installed with normally open reed pipe correspondence department; the signal transmitter consists of a sealed cabin and an electromagnetic wave circuit board in the cabin, and the electromagnetic wave circuit board is electrically connected with the current meter, the water surface signal generator and the river bottom signal generator. The utility model discloses can be when using the cableway current surveying, the signal production is more stable with sending, and the installation, change part are more swift.

Description

Hydrologic cableway-based test water surface flow velocity river bottom signal generation and transmission device

Technical Field

The utility model relates to a river hydrology detection technology specifically is a test surface of water velocity of flow river bottom signal generation transmitting device based on hydrology cableway.

Background

In the hydrological work, the flow measurement and maintenance of the cable channel flow measurement equipment are the key points of the hydrological work, and the traditional underwater signal comprehensive generation and transmission device mainly has the following problems:

1. on traditional surface of water signal generator insulation board, the electrically conductive end interval of metal is little, leads to the signal of telecommunication to switch on when meeting big rainwater and becoming a share and flow down for the signal is in disorder.

2. Traditional river bottom signal produces device is through installing in the fish lead health with the screw structure, and the fish lead warp the back card and dies inside the fish lead, dismantles, changes the difficulty, and the signal produces the complicated damaged unable restoration of reed switch seal structure back.

3. The traditional signal sending device is poor in waterproof sealing performance, and water enters equipment due to sealing problems when the traditional signal sending device is used for measuring flow, so that a circuit board is damaged.

4. Traditional signalling device leads to circuit board wearing and tearing because of inside interval is not enough when dismantling the installation.

5. The traditional signal transmitting device has low precision of electronic elements and unstable signal generation frequency.

6. The traditional signal sending device has the disadvantages of insecure signal wire connection and difficult welding.

In order to timely and accurately collect hydrological flow measurement elements, ensure normal practicability of hydrological station cableway flow measurement, improve the precision of traditional hydrological flow measurement equipment and reduce the maintenance cost of the hydrological flow measurement equipment, the conventional river hydrological detection method needs to be improved.

Disclosure of Invention

Therefore, the utility model provides a surface of water velocity of flow river bottom signal generation transmitting device based on hydrology cableway test makes it can be when using the cableway survey flow, and signal production is more stable with the sending, and the installation, change parts are more swift, provide accurate, real hydrology data for robbing survey hydrology data, basin regional disaster prevention and reduction and national economic construction.

The utility model provides a this kind of because of hydrology cableway test surface of water velocity of flow river bed signal generation sending device, it has the fish lead, the current meter, surface of water signal generator, river bed signal generator and radio signal transmitter, its characterized in that current meter installs at the fish lead head, surface of water signal generator installs at the fish lead fin and is in the same horizontal plane with the current meter, surface of water signal generator is an insulation board of fixing on the fish lead, there is the insulating binding post of each other that switches on promptly that entries on the insulation board, bottom of the river signal generator installs on fish lead bottom support, it has base, atress preforming and reset spring, normally open tongue tube and reset spring are installed to the base, the atress preforming hinge is installed and is supported by reset spring on the base, the department that corresponds to normally open tongue tube is equipped with magnet; the signal transmitter is installed on the fish lead and consists of a sealed cabin and an electromagnetic wave circuit board in the cabin, and the electromagnetic wave circuit board is electrically connected with the current meter, the water surface signal generator and the river bottom signal generator.

The fish lead is provided with a triangular horizontal steel rope so as to be kept horizontal when being hung through a cable channel above a river channel.

The fishing lead lifting rope is provided with an insulating terminal so as to insulate a steel rope connected with a mobile fishing lead on the bank.

The wiring terminals on the water surface signal generator are two rows of screws, the upper row of screws are used for fixing and wiring with the fish lead, the lower row of screws are used for wiring, and the upper row of terminals and the lower row of terminals are respectively connected with the electromagnetic wave circuit board through wires.

The steel rope of the shore mobile fish lead is electrically connected with the electromagnetic wave circuit board.

The electromagnetic wave circuit board sealed cabin is of a cylindrical structure and is installed on a fish tail, a multi-core socket is arranged on a cabin cover of the sealed cabin, external threads are arranged on the periphery of the multi-core socket and are hermetically connected with the cylinder body, the lower end of the multi-core socket is fixedly connected with the electromagnetic wave circuit board and is electrically connected with the electromagnetic wave circuit board, and a corresponding multi-core plug is electrically connected with the current meter, the water surface signal generator and the river bottom signal generator through wires.

And a limiting tooth is arranged between the base of the river bottom signal generator and the stressed pressing sheet to prevent the normally-open reed switch from being damaged by excessive compression.

The fish lead support is an elastic support, so that the fish lead belly presses the river bottom signal generator to rebound when touching the bottom, and the normal pressure river bottom signal generator for the fish lead is prevented.

The working principle of the utility model is as follows:

when the fishing device is used, a cable is transversely pulled above a river surface to be detected, a pulley is arranged on the cable, the fish lead is hung on the pulley by a steel rope (a hanging rope), the pulley is pulled by the other pull rope (a pulley moving rope) to move back and forth on the cable, and the fish lead rises or falls when the steel rope is wound and unwound. Thus, the coordinates on the cross section of the riverbed below the cable are established, the pull rope controls the abscissa, and the steel rope controls the ordinate.

When the fish lead is put into a river to land on water, the water surface signal generator is conducted, the wireless signal transmitter is triggered to generate corresponding electromagnetic waves to be received ashore, coordinate data at the moment are recorded, the fish lead is continuously put down to a new coordinate point, the current meter rotates at the moment and transmits corresponding flow speed data to the wireless signal transmitter to generate corresponding electromagnetic wave signals to be received ashore, when the fish lead touches the bottom of the river, the weight and inertia of the fish lead compress a support of the fish lead to be flattened, a fish belly compresses a stress pressing sheet of the bottom signal generator, the normally open reed pipe is conducted, the wireless signal transmitter is triggered to generate corresponding electromagnetic wave signals to be received ashore, the coordinate data and the flow speed data at the moment are recorded, the fish lead is moved to each coordinate point according to a preset scheme to measure the flow speed, and the flow speed data of each coordinate point on the cross section of the whole river bed can be obtained. And finally, hydrological data of the whole river are obtained through calculation.

The utility model discloses simple structure, reasonable in design, convenient to use, the leakproofness is strong, and the stable performance is reliable, can record the hydrology data of river fast. The fish lead, the cable and the like are collected after use so as to be ready for use.

Therefore, the utility model discloses can be when using the cableway current surveying, the signal production is more stable with sending, and the installation, change part are more swift, provide accurate, real hydrology data for robbing survey hydrology data, basin regional disaster prevention and reduction and national economic construction.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the surface signal generator.

Fig. 3 is a top view of the surface signal generator.

Fig. 4 is a perspective view of the water surface signal generator.

Fig. 5 is a front view of a river bottom signal generator.

Fig. 6 is a left side view of the river bottom signal generator.

Fig. 7 is a perspective view of a river bottom signal generator.

Fig. 8 is a perspective view of a wireless signal transmitter capsule.

Fig. 9 is a front view of a wireless signal transmitter capsule cover.

Fig. 10 is a left side view of the wireless signal transmitter capsule lid.

Fig. 11 is a top view of a wireless signal transmitter capsule lid.

Fig. 12 is a perspective view of a wireless signal transmitter capsule hatch cover.

Fig. 13 is a schematic circuit diagram of an electromagnetic wave circuit board.

Fig. 14 is a schematic view of the usage state of the present invention.

In fig. 1-14, the various components are numbered as follows:

1-a river bottom signal generator; 2-fish with lead; 3-a flow meter; 4-a current meter wiring terminal; 5-a fish lead horizontal steel rope; 6-a fish lead lifting rope; 7-a fish lead insulated terminal; 8-a water surface signal generator; 9-seven-core IP67 waterproof aviation plug; 10-a wireless signal transmitter; 11-a fish lead support; 12-driving a vehicle; 13-cableway; 14-a travelling moving rope; 15-a pulley; 16-river flow; 17-river bottom; 801-screw M1; 802-an insulating plate; 803-screw M3; 804-screw M2; 805-screw M4; 1001-cabin cylinder; 1002-a hatch cover; 1003-seven-core sockets; 1004-hanger; 1005-lid thread; 1006-socket threads.

The dotted lines in fig. 1 represent wire connection relationships.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-14, the fish 2 is typically made of a lead plate or stainless steel plate material in order to ensure that it has sufficient weight, resistance to water impact, ability to descend vertically when submerged, and fish-like streamline on the surface to reduce drag. The fish head and the fish tail are tied by the horizontal steel rope 5 for the fish, the rope is in a triangle shape, the top point of the horizontal steel rope is connected with a fish lead lifting rope 6 (a lifting rope for short) so that the extension line of the lifting rope passes through the gravity center of the fish lead, and the fish lead is ensured to be kept horizontally immersed in water.

As described above, the connection of the hoist rope to the onshore rope controls the ordinate below the cableway. The cable channel 13 is provided with a travelling crane 12 which is provided with three pulleys 15, the upper row of the travelling crane supports two travelling cranes, and the lower pulley is used as a movable pulley of a fishing line. The travelling crane is tied by another rope, namely a travelling crane moving rope 14, and two pairs of onshore people control the travelling crane to move left or right so as to control the abscissa. The fish maw is supported by a fish maw support 11 at ordinary times, the fish maw support is arched and has certain elasticity, when the fish maw touches the bottom of a river, certain deformation can be generated, and the fish maw is pressed down and then rebounds.

In order to insulate the lead fish lifting rope from the lead fish itself, an insulated terminal 7 is provided above the lead fish.

The current meter 3 and the current meter terminal 4 on the head of the fish lead are basically consistent with those of the existing fish lead, and the current meter terminal is connected with the wireless signal transmitter 10 through a lead.

The water surface signal generator 8 is arranged on the empennage of the fish lead and is kept at the same horizontal plane with the current meter so as to ensure that the current can be measured when the fish lead enters water.

As described above, the water surface signal generator is composed of an insulating plate 802 and four screws, the upper row of screws are respectively screws M1 (801) and M2 (804), and the lower row of screws are respectively M3 (803) and M4 (805). The upper row of screws penetrate through the insulating plate to serve as fixing screws with the fish lead and the upper row of wiring terminals, the lower row of screws do not penetrate through the insulating plate and serve as wiring terminals only, any one of the upper row of wiring terminals and any one of the lower row of wiring terminals are mutually insulated, as long as one wire enters water, the two rows of wiring terminals are conducted, and signals are transmitted to the wireless signal transmitter 10. And indicating that the fish lead has reached the river surface and prompting the onshore personnel to record corresponding coordinates and flow speed data.

The wireless signal transmitter 10, which is called a signal transmitter for short, is composed of a sealed cabin 1001 and an electromagnetic wave circuit board in the cabin, wherein the electromagnetic wave circuit board is fixed on a hanging pin 1004 at the lower end of a sealed cabin cover 1002, the sealed cabin cover is connected with the cabin through a cover thread 1005 in a sealing way, a seven-core socket 1003 is arranged on the top of the cabin cover, and the socket is electrically connected with the electromagnetic wave circuit board. The corresponding seven-core IP67 waterproof aviation plug 9 is connected with the sealing hatch cover in a sealing way through threads. The seven-core IP67 waterproof aviation plug is connected with the current meter wiring terminal, the wiring terminal of the water surface signal generator and the wiring terminal of the river bottom signal generator 1 through wires. The seven-core IP67 waterproof aviation plug is also connected with the front section of the lead fish lifting rope insulating terminal.

The electromagnetic wave circuit board can be made by oneself or market order as required, according to the utility model discloses a concrete requirement, the electromagnetic wave frequency of surface of water signal is ±%2500Hz, the velocity of flow signal is ±%3000Hz, the river bottom signal is ±%3500Hz. The corresponding circuit diagram is shown in fig. 13. The working principle of the circuit board is as follows:

the through hole 1 is above the lead fish steel rope insulation terminal of the antenna; the through hole 2 is a current meter signal wire and is connected to and installed on a current meter of the lead fish head, the through hole 4 is a river bottom signal wire and is connected to one end of a river bottom signal wiring terminal, the through hole 5 is a water surface signal wire and is connected to a water surface signal insulation board M1, and the through hole 6 is connected to one end of a water surface signal insulation board M3. The through hole 3 is connected with the anode of the battery, and the through hole 7 is connected with the cathode of the battery.

When the fish lead enters water, the M1 and the M3 are conducted, the through hole 5 in the circuit is connected with the through hole 6, and the mark current meter which sends signals to generate electromagnetic waves with the frequency of +/-5 percent 2500Hz marks that the fish lead enters water; after entering water, the water surface signal does not generate the electromagnetic wave frequency of +/-5 percent 2500 Hz; at the moment, signals generated by the rotation of the current meter are input into a circuit, the frequency of electromagnetic waves generating +/-5 percent of 3000Hz marks the number of rotation signals of the current meter through the circuit regulation, and the number of the rotation turns of the current meter can be calculated through the number of the signals; when the fish lead reaches the river bottom, triggering a river bottom signal to generate +/-5% 3500Hz electromagnetic wave signals to mark that the fish lead has reached the river bottom.

The river bottom signal generator 1 is formed by connecting an L-shaped base 102 and a stressed pressing sheet 103 through a hinge 107, a normally open reed pipe 105 and a reset spring 106 are installed on the base, a magnet 104 is installed on the stressed pressing sheet, and the base is fixed on a fish lead support through a mounting hole 108. When the fish lead sinks to touch the river bottom 17, the impact force enables the fish lead support to be flattened, the fish belly presses the stressed tabletting magnet to be close to the normally open reed pipe to enable the pressed tabletting magnet to be conducted, signals are transmitted to the wireless signal transmitter, corresponding electromagnetic waves are formed immediately and transmitted to be received on the shore, the fish lead is prompted to arrive at the river bottom, and corresponding coordinates and flow rate data are recorded.

After the fish lead support rebounds and recovers, the fish lead belly leaves the stressed pressing sheet, the reset spring rebounds the stressed pressing sheet, and the magnet leaves the normally open reed pipe to enable the normally open reed pipe to recover to the normally open state. Two cylindrical limiting teeth 101 are arranged on the base to prevent the normally open reed switch from being crushed.

The parts and reference numerals not mentioned are as described above.

Claims (8)

1. A river bottom signal generating and sending device based on hydrological cableway test water surface flow velocity is provided with a fish lead, a flow velocity meter, a water surface signal generator, a river bottom signal generator and a wireless signal transmitter, and is characterized in that the flow velocity meter is installed at the head of the fish lead, the water surface signal generator is installed on the tail wing of the fish lead and is positioned on the same horizontal plane with the flow velocity meter, the water surface signal generator is an insulating plate fixed on the fish lead, the insulating plate is provided with mutually insulated connecting terminals which are communicated when entering water, the river bottom signal generator is installed on a support at the bottom of the fish lead and is provided with a base, a stress pressing sheet and a return spring, the base is provided with a normally open reed pipe and a return spring, the stress pressing sheet is hinged on the base and supported by the return spring, and a magnet is arranged at the position corresponding to the normally open reed pipe; the signal transmitter is installed on the fish lead and consists of a sealed cabin and an electromagnetic wave circuit board in the cabin, and the electromagnetic wave circuit board is electrically connected with the current meter, the water surface signal generator and the river bottom signal generator.

2. The device for generating and transmitting signals of river bottom based on hydrographic cableway test water surface flow velocity according to claim 1, wherein the fish lead has a triangular horizontal steel rope.

3. The device for generating and transmitting the signal of the river bottom based on the hydrographic cableway test water surface flow velocity according to claim 1, wherein the fishing lead is provided with an insulated terminal.

4. The device for generating and transmitting the river bottom signal based on the hydrographic cableway test water surface flow velocity according to claim 1, wherein the wiring terminals on the water surface signal generator are two rows of screws, the upper row of screws are used for fixing and wiring with the fish lead, the lower row of screws are used for wiring, and the upper row of terminals and the lower row of terminals are respectively connected with the electromagnetic wave circuit board through wires.

5. The device as claimed in claim 1, wherein the wire rope of the mobile fish is electrically connected to the electromagnetic wave circuit board.

6. The device as claimed in claim 1, wherein the capsule has a cylindrical structure, and is mounted on the empennage of a fish, the capsule cover of the capsule has a multi-core socket, the periphery of the multi-core socket has external threads to be hermetically connected with the body, the lower end of the multi-core socket is fixedly connected with the electromagnetic wave circuit board and electrically connected with the electromagnetic wave circuit board, and the corresponding multi-core plug is electrically connected with the current meter, the water surface signal generator and the river bottom signal generator through wires.

7. The device for generating and sending the river bottom signal based on the water surface flow velocity of the hydrologic cableway test according to claim 1, wherein a limit tooth is arranged between a base of the river bottom signal generator and the stress pressing sheet.

8. The device for generating and transmitting the water surface flow velocity river bottom signal based on the hydrologic cableway test according to claim 1, wherein the fish lead support is an elastic support.

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