CN220234811U - A camera for video acquisition under water - Google Patents

Abstract

A camera for underwater video acquisition comprises an underwater camera body, a buoyancy tank, an electric propeller, a storage battery, a charging socket, a power switch, a water pressure sensor, an electromagnetic valve, a valve and a control circuit, wherein the control circuit is used for controlling the control circuit to control the power switch; the camera body is arranged at the outer upper end of the buoyancy tank, and the inner side ends of the plurality of sets of electric propellers are respectively arranged at the left side, the right side, the front side and the rear side of the buoyancy tank; the water pressure sensor, the electromagnetic valve and the valve are respectively arranged at the outer lower end of the buoyancy tank, and the storage battery, the charging socket, the power switch, the control circuit and the liquid crystal display matched with the camera body are arranged in the shell and are electrically connected. The utility model discloses a many sets of electric screw, buoyancy case etc. combined action down, the camera body just can carry out multi-angle video acquisition in the relevant position and the corresponding depth of water that need, has brought the facility for the staff, and has better safe effect. Based on the above, the utility model has good application prospect.

Description

A camera for video acquisition under water

Technical Field

The utility model relates to the technical field of camera equipment, in particular to a camera for underwater video acquisition.

Background

The underwater video camera is equipment which can be used for underwater video shooting, and in specific application, the underwater video data are collected by controlling the camera in a manual diving mode.

Along with the development of industrial technology, the technology of the underwater camera has also advanced to a certain extent, such as "202222392799.6" in China, and the patent name "an underwater camera", the content of which is recorded in that "one end of a camera module of the underwater camera is fixed with a main body, and a bearing can support the other end of the camera module, and when the underwater camera shakes as a whole, both ends of the camera module are supported, thereby greatly improving the stability of the camera module, and further improving the service life of the underwater camera. The above-mentioned patent, although having an improved service life compared to the prior art, is subject to structural limitations, which are also evident from the following. Since the comparison patent is the same as other technologies in the art, the underwater photographing operation must be performed by manually diving or the like, or the photographing operation must be performed by being installed at an underwater fixed position. In the mode, the artificial underwater operation brings inconvenience to the staff and has certain potential safety hazards (such as accidents of the staff in water). Although the fixed mounting mode can reduce risks and bring convenience to staff, the acquired image area is limited because the lens of the camera body is fixed, and adverse effects can be obviously caused to the image acquisition effect. Finally, the fixing mode also needs to arrange a fixing mechanism underwater in the corresponding area, so that the video acquisition cost is increased. In summary, it is particularly necessary to provide an underwater camera device which can conveniently control the video acquisition direction and position of a lens on the shore without the need for workers to go down to work.

Disclosure of Invention

In order to overcome the defects of the existing underwater camera, which are caused by the limited structure, the utility model provides the camera for underwater video acquisition, which is based on the fully-sealed underwater camera body, and in application, a worker can conveniently control the underwater camera body to move to the corresponding position and the corresponding water depth to perform multi-angle video acquisition in a line control mode, thereby bringing convenience to the worker, improving the video acquisition effect and having better safety effect.

The technical scheme adopted for solving the technical problems is as follows:

the camera for underwater video acquisition comprises an underwater camera body, a buoyancy tank, an electric propeller, a storage battery, a charging socket, a power switch, a water pressure sensor, an electromagnetic valve and a valve, and is characterized by further comprising a control circuit; the camera body is arranged at the outer upper end of the buoyancy tank, the electric propellers are provided with a plurality of sets, and the inner side ends of the plurality of sets of electric propellers are respectively arranged at the left side, the right side, the front side, the rear side and the outside of the buoyancy tank; the water pressure sensor, the electromagnetic valve and the valve are respectively arranged at the outer lower end of the buoyancy tank, and the water inlet pipes of the electromagnetic valve and the manual valve are respectively communicated with the buoyancy tank; the storage battery, the charging socket, the power switch, the control circuit and the liquid crystal display matched with the camera body are arranged in the shell; the power output end of the control circuit is electrically connected with the power input end of the electromagnetic valve, and the signal output end of the water pressure sensor is electrically connected with the signal input end of the control circuit.

Further, the solenoid valve is a normally closed spool solenoid valve.

Further, the control circuit comprises an adjustable resistor, a resistor, an NPN triode and a relay which are electrically connected, wherein the positive power input end and the control power input end of the relay are connected, one end of the adjustable resistor is connected with one end of the first resistor, one end of the second resistor is connected with one end of the second resistor, the other end of the second resistor is connected with the base electrode of the NPN triode, the other end of the first resistor is connected with the emitter of the NPN triode, and the collector of the NPN triode is connected with the negative power input end of the relay.

Further, the wires connecting the shell with the camera body, the electromagnetic valve, the electric propeller and the water pressure sensor are provided with length allowance.

The utility model has the beneficial effects that: the utility model discloses based on the totally enclosed camera body under water, in the application, the staff can conveniently control four sets of electric screw's mode respectively through the drive-by-wire on the bank, thereby make the camera body can be in corresponding waters front and back or left and right movement to suitable position, the depth of water through control circuit setting, control circuit can control the solenoid valve and get the electricity and open a period of time and be buoyancy incasement water injection, no longer sink after the buoyancy case reaches suitable degree of depth, like this, the camera body just can carry out multi-angle video acquisition in the relevant position and the corresponding depth of water of needs, convenience has been brought for the staff, and better safety effect has. Based on the above, the utility model has good application prospect.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the whole structure of the present utility model.

Fig. 2 is a circuit diagram of the present utility model.

Detailed Description

The camera for underwater video acquisition comprises an underwater camera body A1, a hollow buoyancy tank 1, electric propellers M1, M2, M3 and M4, a storage battery G1 (12V/10 Ah), a charging socket CZ1 (a jack is positioned outside an opening at the upper end of the shell), power switches S1, S2, S3, S4, S5 and S6, a water pressure sensor A3, an electromagnetic water valve DC, a manual valve 2 and a control circuit 3, wherein the underwater camera body A1 is hermetically sealed through a shell 5; the lower end of a shell of the camera body A1 (the lens seal is positioned outside an opening at the front end of the shell) is longitudinally arranged in the middle of the outer upper end of the buoyancy tank 1 through a screw nut, the electric propellers are provided with four identical sets, and the inner side ends of the cylinders (the paddles face the outer side end of the cylinder) of the four sets of electric propellers M1, M2, M3 and M4 are respectively arranged on the front parts of the left side, the right side and the middle parts of the front side and the rear side of the buoyancy tank 1 through the screw nut; the water pressure sensor A3, the electromagnetic valve DC and the manual valve 2 are respectively arranged in the middle of the outer lower end of the buoyancy tank 1 through screw nuts (the electromagnetic valve DC and the manual valve 2 are respectively positioned at the left side and the right side of the water pressure sensor A3), the pressure sensing surface of the pressure sensor A2 is positioned at the lower end, and the electromagnetic valve DC and the water inlet pipe of the manual valve 2 are respectively communicated with the buoyancy tank 1; the storage battery G1, the charging socket CZ1, the power switch, the control circuit 3 and the liquid crystal display A2 matched with the camera body (the video input end of the liquid crystal display A2 and the video output end of the camera body A1 are connected through video lines) are installed in the shell 4 in a sealing mode.

As shown in fig. 1 and 2, the solenoid valve DC is a normally closed spool solenoid valve, and the power is 2W. The buoyancy of the buoyancy tank 1 is greater than the weight of the overall apparatus. The control circuit comprises an adjustable resistor RP1, resistors R1 and R2, an NPN triode Q1 and a relay K1 which are connected through circuit board wiring, wherein the positive power input end and the control power input end of the relay K1 are connected, one end of the adjustable resistor RP1 is connected with one end of a first resistor R1 and one end of a second resistor R2, the other end of the second resistor R2 is connected with the base electrode of the NPN triode Q1, the other end of the first resistor R1 is connected with the emitter electrode of the NPN triode Q1, and the collector electrode of the NPN triode Q1 is connected with the negative power input end of the relay K1. The casing 4 (user holds the operation) and the camera body A1, the solenoid valve DC, the electric propellers M1, M2, M3, M4, and the wire connected to the water pressure sensor A3 have a length margin. The two poles of the storage battery G1 and two ends of the charging socket CZ1 are respectively connected through wires (when the storage battery G1 is in no electricity, an external 12V power charger plug can be inserted into the charging socket to charge the storage battery G1), one ends of the positive pole of the storage battery G1 and one ends of six power switches S1, S2, S3, S4, S5 and S6 are respectively connected through wires, the other ends of the first power switch S5 and the second power switch S6, the negative pole of the storage battery G1 and the power input ends 1 and 2 pins of the water pressure sensor A3, the positive power input end of the relay K1 of the control circuit and the emitter electrode of the NPN triode Q1, the camera body A1 and the power input ends 1 and 2 pins of the display A2 are respectively connected through wires, and the other ends of the normally closed contact end of the relay K1 of the control circuit and the emitter electrode of the NPN triode Q1 and the power input ends of the electromagnetic valve DC are respectively connected through wires, and the other ends of the four power switches S1, S2, S3 and S4 and the negative poles of the storage battery are respectively connected through wires and the power input ends of the four sets of electric propellers M1, M2, M3 and M4. The other end of the adjustable resistor RP1 at the signal output end 3 pin of the water pressure sensor A3 and the signal input end of the control circuit is connected through a wire.

Fig. 1 and 2 show, in the application of the novel underwater camera body A1, after the power switch S6 is turned on, the camera body A1 is powered on to output the shot video data to the display A2 for displaying. In this novel, buoyancy tank 1 puts into the aquatic, and four sets of electric screw M1, M2, M3, M4 'S paddle just is located under the waterline, including behind the appropriate degree of depth of follow-up camera body A1 sinking aquatic, after the staff opens switch S1 or S2 on the shore, buoyancy tank 1 left front end or right front end' S electric screw M1 or M2 can get electric work, and electric screw M1 gets its paddle after the electricity and promotes buoyancy tank 1 right turning motion, and electric screw M2 gets its paddle after the electricity and promotes buoyancy tank 1 left turning motion. After the power switch S3 or S4 is turned on by a worker, the electric propeller M3 or M4 at the rear end or the front end of the buoyancy tank 1 can work in an electric mode, the propeller blade of the electric propeller M3 pushes the buoyancy tank 1 to move forwards after being powered on, and the propeller blade of the electric propeller M4 pushes the buoyancy tank 1 to move backwards after being powered on. Through the above-mentioned, this novel just can conveniently control buoyancy tank 1 drive camera body A1 to the waters motion of needs above the surface of water or below the surface of water, and then carry out the collection of image. When the buoyancy tank moves above a water area where an image needs to be collected, the buoyancy tank needs to be controlled to sink below a certain water depth, and a video needs to be collected, a worker adjusts the resistance value of the adjustable resistor RP1 to set water depth data (a principle is described later), and then the power switch S5 is turned on, so that the water pressure sensor A3 and the control circuit work electrically. When the buoyancy tank 1 does not reach the corresponding water depth, the voltage signal output by the signal output end of the water pressure sensor A3 is relatively low, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, the voltage is reduced by the resistor R2, the current is limited, the voltage enters the base electrode of the NPN triode Q1 and is lower than 0.7V, the NPN triode Q1 cannot be conducted, then the relay K1 cannot be electrified to attract the control power input end and the normally closed contact end of the relay K to be closed, the electromagnetic valve DC is electrified, the valve core is opened, external water continuously enters the buoyancy tank 1, and the buoyancy tank 1 drives the camera body A1 to gradually sink. When the buoyancy tank 1 reaches the corresponding water depth, the voltage signal output by the foot 3 of the signal output end of the water pressure sensor A3 is relatively high, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, the voltage is reduced and the current is limited by the resistor R2, the voltage enters the base electrode of the NPN triode Q1 and is higher than 0.7V, the collector electrode is conducted by the NPN triode Q1 to output low level and enter the negative electrode power supply input end of the relay K1, then the relay K1 can be electrified to attract the control power supply input end of the relay and the normally closed contact end of the relay to open an open circuit, the electromagnetic valve DC power-losing valve core is closed, external water does not enter the buoyancy tank 1 any more, the camera body A1 can acquire underwater video on the basis of the current water depth (the camera body can also penetrate downwards through the middle part in the buoyancy tank body during installation according to specific needs, and the specific buoyancy of the camera body is ensured by a sealed structure). After the video acquisition task is completed, a worker controls the working mode of the four sets of electric propellers through a plurality of power switches, so that the camera body A1 returns to the shore, then the buoyancy tank 1 and the like can be pulled out to the water surface by pulling the buoyancy tank 1 upwards through a wire (a plurality of wires are uniformly sealed in a rubber hose), and after the valve 2 is opened subsequently, the water in the buoyancy tank 1 can be completely discharged, and the whole underwater image acquisition task is completed.

Through the above-mentioned, shown in fig. 1, 2, the staff can conveniently control four sets of electric screw's mode respectively through drive-by-wire on the bank to make the camera body can be in corresponding waters front and back or left and right movement to suitable position, the depth of water that sets for through control circuit, control circuit can control the solenoid valve and get the electricity and open a period and be the buoyancy incasement water injection, no longer sink after the buoyancy case reaches suitable degree of depth, like this, the camera body just can carry out multi-angle video acquisition in the relevant position and the corresponding depth of water of needs, brought the facility for the staff, and improved the collection effect of video, and have better safe effect. In fig. 2, the resistances of the resistors R1 and R2 are 10K and 47K, respectively. The model Q1 of NPN transistor is 9013. The resistance value of the adjustable resistor RP1 is 47K, the handle of the adjustable resistor RP1 is positioned outside the upper end of the shell, and the side end of the handle of the ring-shaped adjustable resistor RP1 is marked with a number representing the water depth; when the resistance value of the adjustable resistor RP1 is regulated to be relatively small, the partial pressure between the adjustable resistor RP1 and the resistor R1 is small, the subsequent buoyancy tank enters the water to be relatively shallow, and the voltage signal output by the 3 pin of the water pressure sensor A2 is relatively small, the NPN triode Q1 is conducted, namely the depth threshold value of the novel type is set to be relatively small; when the resistance value of the adjustable resistor RP1 is regulated to be relatively large, the partial pressure between the adjustable resistor RP1 and the resistor R1 is large, the subsequent buoyancy tank enters the water depth relatively deep, and the voltage signal output by the 3 pin of the water pressure sensor A2 is relatively large, the NPN triode Q1 is conducted, namely the depth threshold value of the novel type is set to be relatively large; the specific depth staff is set according to the needs. The power switches S1, S2, S3, S4, S5 and S6 are toggle power switches, and the power switch handles are all positioned outside the holes at the upper end of the shell. The electric propellers M1, M2, M3 and M4 comprise full-sealed 12V/20W direct current motors and helical blades, the motors are arranged in a cylinder body with open front and rear ends, and the helical blades are tightly sleeved at the outer side ends of rotating shafts of the motors. The water pressure sensor A2 is a finished pressure transmitter product of a model CYYZ12, and is provided with two power supply input ends and a signal output end, wherein the signal output end can output a voltage signal with the variation of 0-10V according to different detected water pressures in operation. The relay K1 is a DC12V relay.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is limited to the details of the foregoing exemplary embodiments, and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, the embodiments do not include only a single embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and embodiments may be suitably combined to form other embodiments that will be understood by those skilled in the art.

Claims (4)

1. The camera for underwater video acquisition comprises an underwater camera body, a buoyancy tank, an electric propeller, a storage battery, a charging socket, a power switch, a water pressure sensor, an electromagnetic valve and a valve, and is characterized by further comprising a control circuit; the camera body is arranged at the outer upper end of the buoyancy tank, the electric propellers are provided with a plurality of sets, and the inner side ends of the plurality of sets of electric propellers are respectively arranged at the left side, the right side, the front side, the rear side and the outside of the buoyancy tank; the water pressure sensor, the electromagnetic valve and the valve are respectively arranged at the outer lower end of the buoyancy tank, and the water inlet pipes of the electromagnetic valve and the manual valve are respectively communicated with the buoyancy tank; the storage battery, the charging socket, the power switch, the control circuit and the liquid crystal display matched with the camera body are arranged in the shell; the power output end of the control circuit is electrically connected with the power input end of the electromagnetic valve, and the signal output end of the water pressure sensor is electrically connected with the signal receiving end of the control circuit.

2. A camera for underwater video capture as in claim 1 wherein the solenoid valve is a normally closed spool solenoid valve.

3. The camera for underwater video acquisition according to claim 1, wherein the control circuit comprises an adjustable resistor, a resistor, an NPN triode and a relay which are electrically connected, wherein the positive power input end and the control power input end of the relay are connected, one end of the adjustable resistor is connected with one end of the first resistor, one end of the second resistor is connected with one end of the second resistor, the other end of the second resistor is connected with the base electrode of the NPN triode, the other end of the first resistor is connected with the emitter of the NPN triode, and the collector of the NPN triode is connected with the negative power input end of the relay.

4. A camera for underwater video capture as in claim 1 wherein the wires connecting the housing to the camera body, solenoid valve, electric propeller, water pressure sensor have a length allowance.