CN217327890U - Novel underwater hydraulic driving system - Google Patents

Novel underwater hydraulic driving system Download PDF

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Publication number
CN217327890U
CN217327890U CN202220712190.XU CN202220712190U CN217327890U CN 217327890 U CN217327890 U CN 217327890U CN 202220712190 U CN202220712190 U CN 202220712190U CN 217327890 U CN217327890 U CN 217327890U
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water outlet
water inlet
water
pump
actuator
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慎重
陈晓蛟
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Hydra Robotics Co ltd
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Hydra Robotics Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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Abstract

The utility model relates to the technical field of underwater hydraulic drive systems, and discloses a novel underwater hydraulic drive system, which comprises a sealed cabin, an inlet liquid path, an outlet liquid path and a control assembly, wherein the sealed cabin is internally provided with a cavity, the sealed cabin is also provided with an external water inlet, an external water outlet, an actuator inlet interface and an actuator outlet interface, the inlet liquid path comprises an inlet pump, an inlet manifold and an inlet valve which are sequentially connected, the inlet pump is connected with the external water inlet, and the inlet valve is connected with the actuator inlet interface; the water outlet liquid path comprises a water outlet pump, a water outlet busbar and a water outlet valve which are connected in sequence, the water outlet pump is connected with an external water outlet, and the water outlet valve is connected with an actuator water outlet interface; the control assembly comprises a power supply module and a single chip microcomputer, wherein the power supply module is electrically connected with the water pump, the water inlet valve, the water outlet pump, the water outlet valve and the single chip microcomputer. The system has the advantages of compact structure, easy sealing treatment, balanced environmental water pressure, no need of high-power equipment and capability of reducing the cost of the system.

Description

Novel underwater hydraulic driving system
Technical Field
The utility model relates to a hydraulic drive system technical field under water, concretely relates to novel hydraulic drive system under water.
Background
The underwater hydraulic driving system is one of key core technologies of underwater equipment, is widely applied to the underwater equipment such as an underwater mechanical arm and the like, is one of the most basic elements for driving the underwater equipment to complete operation, and is also one of the technical difficulties of the underwater equipment. Different from onshore operation, when an underwater hydraulic drive system is designed, various environmental factors such as sealing and environmental water pressure need to be considered. The existing underwater hydraulic driving system has a complex structure and high waterproof technical requirement, so that the cost of the system is high. In addition, under the influence of external environment water pressure, when the system works, the system needs to provide larger pressure intensity, and needs to adopt equipment with larger power, so that the volume of the system is further increased, and the cost of the underwater hydraulic drive system is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a novel underwater hydraulic drive system, its compact structure is convenient for seal, and the cost of the system can be reduced.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows: a novel underwater hydraulic drive system comprising: the sealed cabin is internally provided with a cavity and is also provided with an external water inlet, an external water outlet, an actuator water inlet interface and an actuator water outlet interface; the water inlet liquid path is arranged in the cavity and comprises a water inlet pump, a water inlet busbar and a water inlet valve which are sequentially connected, the water inlet pump is connected with the external water inlet, and the water inlet valve is connected with the water inlet interface of the actuator; the water outlet liquid path is arranged in the cavity and comprises a water outlet pump, a water outlet busbar and a water outlet valve which are sequentially connected, the water outlet pump is connected with the external water outlet, and the water outlet valve is connected with the water outlet interface of the actuator; and the control component is arranged in the cavity and comprises a power supply module and a single chip microcomputer, the power supply module is electrically connected with the water inlet pump, the water inlet valve, the water outlet pump, the water outlet valve and the single chip microcomputer, and the single chip microcomputer is used for controlling the opening and closing of the water inlet valve and the water outlet valve.
Compared with the prior art, the technical scheme has the beneficial effects that:
1. the external water inlet, the water inlet pump, the water inlet bus bar, the water inlet valve and the actuator water inlet interface of the system can be sequentially and directly connected, and the actuator water outlet interface, the water outlet valve, the water outlet bus bar, the water outlet pump and the external water outlet can also be sequentially and directly connected, so that the water inlet path and the water outlet path can be better arranged in the cavity of the sealed cabin, and the structure of the system is more compact;
2. the system has the advantages that the water inlet liquid path, the water outlet liquid path and the control assembly are separately designed and are sealed in the cavity of the sealed cabin, the sealing mode is simple, liquid is transmitted in the water inlet liquid path and the water outlet liquid path, the control assembly cannot be influenced, and the stability of the system can be improved;
3. the system is designed through a liquid path, when the system does not work, the environmental water pressure can be balanced automatically, when the system works, the system only needs to provide the positive pressure and the negative pressure of the required relative environmental water pressure, the power of the system can be reduced, the size of the system is reduced, and the cost of the system is reduced.
In the novel underwater hydraulic driving system, the first end of the sealed cabin is hermetically connected with a first end cover, and the external water inlet, the external water outlet, the actuator water inlet interface and the actuator water outlet interface are all arranged on the first end cover.
The novel underwater hydraulic driving system is characterized in that a second end of the sealed cabin is hermetically connected with a second end cover, a power supply interface and a communication interface are arranged on the second end cover, the power supply module is connected with an external power supply through the power supply interface, and the single chip microcomputer is connected with an upper computer through the communication interface.
Foretell novel hydraulic drive system under water, the sealed cabin is cylindricly, go into the water valve go into the water busbar and go into the water pump by the first end to the second end of sealed cabin distributes in proper order, outside water inlet is connected through first straight tube go into the water pump, the outlet valve go out the water busbar and go out the water pump by the first end to the second end of sealed cabin distributes in proper order, outside delivery port passes through the second straight tube and connects go out the water pump, go into the water liquid way with it follows to go out the water liquid way the circumference of sealed cabin distributes, go into the water pump go out the water pump with control assembly follows the circumference of sealed cabin distributes.
In the novel underwater hydraulic driving system, the number of the water inlet interfaces of the actuator is equal to that of the water inlet valves and the water inlet valves are connected in a one-to-one correspondence manner, and the number of the water outlet interfaces of the actuator is equal to that of the water outlet valves and the water outlet valves are connected in a one-to-one correspondence manner.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is one of the overall structural schematic diagrams of the underwater hydraulic drive system according to the embodiment of the present invention;
fig. 2 is a second schematic view of the overall structure of the underwater hydraulic drive system according to the embodiment of the present invention;
FIG. 3 is a schematic view of a portion of the underwater hydraulic drive system shown in FIG. 1 (hidden sealed cabin);
fig. 4 is a cross-sectional view of the subsea hydraulic drive system shown in fig. 1.
The reference numbers illustrate: 100 sealed cabins, 110 cavities, 120 external water inlets, 130 external water outlets, 140 actuator water inlet interfaces, 150 actuator water outlet interfaces, 160 first end covers, 170 second end covers, 171 power supply interfaces, 172 communication interfaces, 210 water inlet pumps, 220 water inlet busbars, 230 water inlet valves, 310 water outlet pumps, 320 water outlet busbars, 330 water outlet valves, 410 power modules and 420 single-chip microcomputers.
Detailed Description
The embodiment of the present invention is described in detail below, referring to fig. 1 to 4, an embodiment of the present invention provides a novel underwater hydraulic drive system, which includes a sealed cabin 100, an inlet liquid path, an outlet liquid path and a control assembly, wherein the sealed cabin 100 is provided inside with a cavity 110, and the sealed cabin 100 is further provided with an external water inlet 120, an external water outlet 130, an actuator inlet interface 140 and an actuator outlet interface 150. The water inlet liquid path is arranged in the cavity 110 and comprises a water inlet pump 210, a water inlet bus bar 220 and a water inlet valve 230 which are connected in sequence, the water inlet pump 210 is connected with the external water inlet 120, and the water inlet valve 230 is connected with the actuator water inlet interface 140; the outlet liquid path is arranged in the cavity 110 and comprises an outlet pump 310, an outlet bus 320 and an outlet valve 330 which are connected in sequence, wherein the outlet pump 310 is connected with the external water outlet 130, and the outlet valve 330 is connected with the actuator water outlet interface 150; the control component is arranged in the cavity 110 and comprises a power module 410 and a single chip 420, the power module 410 is electrically connected to the water pump 210, the water inlet valve 230, the water outlet pump 310, the water outlet valve 330 and the single chip 420 and can provide power for the water pump 210, the water inlet valve 230, the water outlet pump 310 and the water outlet valve 330, and the single chip 420 is used for controlling the opening and closing of the water inlet valve 230 and the water outlet valve 330.
When the water inlet liquid path works, the singlechip 420 controls the water inlet valve 230 to be opened, the water inlet pump 210 presses water in the external environment into the external water inlet 120, and the water sequentially flows through the water inlet pump 210, the water inlet bus bar 220, the water inlet valve 230 and the actuator water inlet interface 140 and finally enters the actuator; when the water outlet liquid path works, the single chip microcomputer 420 controls the water outlet valve 330 to be opened, the water outlet pump 310 leads water in the actuator out of the actuator water outlet interface 150, the water sequentially flows through the water outlet valve 330, the water outlet bus bar 320, the water outlet pump 310 and the external water outlet 130 and finally flows back to the external environment, and hydraulic driving of the actuator is achieved in the process that the water flows through the actuator.
The system comprises a sealed cabin 100, wherein a cavity 110 is arranged in the sealed cabin 100, and a water inlet liquid path, a water outlet liquid path and a control assembly are separately designed and sealed in the cavity 110 together. When sealing measures are taken, only sealing protection is needed to be carried out at the external water inlet 120, the actuator water inlet interface 140, the external water outlet 130 and the actuator water outlet interface 150, the sealing mode is simple, the sealing technology is mature, and the cost of the system can be reduced on the premise of ensuring the sealing effect. During operation, liquid is in the internal transmission of income water liquid way, executor and play water liquid way, and power module 410 and singlechip 420 are installed in cavity 110, and with go into only electric wire connection between water liquid way and the play water liquid way, consequently, control assembly can not receive the influence of income water liquid way and play water liquid way, can improve the stability of system.
External water inlet 120, water inlet pump 210, water inlet bus bar 220, inlet of the systemThe water valve 230 and the actuator water inlet interface 140 may be directly connected in sequence, that is, may be connected by a linear pipeline, and the actuator water outlet interface 150, the water outlet valve 330, the water outlet bus bar 320, the water outlet pump 310 and the external water outlet 130 may also be directly connected in sequence, so that the water inlet path and the water outlet path may be better arranged in the cavity 110 of the capsule 100, and the structure of the system may be more compact. In addition, the liquid path design mode of the system can balance the environmental water pressure. For the existing underwater hydraulic drive system, a liquid path of the existing underwater hydraulic drive system is not communicated with an external environment (namely, a water environment in which the underwater hydraulic drive system works), liquid required for driving an actuator to move is provided by an oil tank of the existing underwater hydraulic drive system, if the water pressure of the external environment is P, a water inlet pump is taken as an example, and if the working pressure of the water inlet pump is delta P 1 The existing hydraulic drive system then needs to provide P + Δ P 1 The pressure intensity of the pressure is higher in cost because the equipment with higher power is needed. However, the water inlet path and the water outlet path in the system are communicated with the external environment, and the external environment is equivalent to the 'oil tank' of the system, so that when the water inlet pump 210 and the water outlet pump 310 do not work, the external environment water pressure and the internal environment water pressure (i.e. the water pressure in the liquid path and the actuator) can be balanced by themselves, and when the water inlet pump 210 works, the system only needs to provide the pressure Δ P required by the work of the water inlet pump 210 1 And (4) finishing. The same is true for the operation of the water pump 310, which is not described herein. Therefore, when the system works, only the required positive pressure and the required negative pressure relative to the ambient water pressure need to be provided, the power of the system can be reduced, the size of the system is reduced, and the cost of the system is reduced.
Specifically, as shown in fig. 1 and 2, the capsule 100 is cylindrical, and may facilitate arrangement of the water inlet path, the water outlet path, and the control component in the cavity 110, thereby facilitating improvement of compactness of the overall structure of the system and reduction of the overall size of the system. The first end of the capsule 100 is hermetically connected with a first end cap 160, a sealing gasket is arranged between the first end cap 160 and the first end of the capsule 100, and the first end cap 160 and the first end of the capsule 100 are fixedly connected by a threaded coupling. The outer water inlet 120, the outer water outlet 130, the actuator water inlet interface 140 and the actuator water outlet interface 150 all open into the first end cap 160. The second end of the capsule 100 is hermetically connected with a second end cap 170, a sealing gasket is arranged between the second end cap 170 and the second end of the capsule 100, and the second end cap 170 is fixedly connected with the second end of the capsule 100 by adopting a threaded coupling. The second end cover 170 is provided with a power supply interface 171 and a communication interface 172, the power module 410 is connected with an external power supply through the power supply interface 171, and after power is supplied, the power module can supply power to the water inlet pump 210, the water inlet valve 230, the water outlet pump 310 and the water outlet valve 330, and the power module 410 can adopt common modules with voltage boosting and stabilizing functions, such as LTC3780EG, LM5175, LM34936-Q1 or LM 5170-Q1. The single chip 420 is connected to the upper computer through the communication interface 172, and CAN communicate with the upper computer and receive and send commands, and the communication mode includes but is not limited to RS485, I2C, SPI, CAN communication and the like. Specifically, one power supply interface 171 is provided, and a plurality of communication interfaces 172 are provided.
Specifically, as shown in fig. 3 and 4, the water inlet valve 230, the water inlet bus bar 220, and the water inlet pump 210 are sequentially distributed from the first end to the second end of the sealed cabin 100, the external water inlet 120 is connected to the water pump 210 through a first straight pipe, the water outlet valve 330, the water outlet bus bar 320, and the water outlet pump 310 are sequentially distributed from the first end to the second end of the sealed cabin 100, the external water outlet 130 is connected to the water outlet pump 310 through a second straight pipe, the water inlet path and the water outlet path are distributed along the circumferential direction of the sealed cabin 100, and the water inlet pump 210, the water outlet pump 310, and the control assembly are distributed along the circumferential direction of the sealed cabin 100. The layout mode can enable the structural distribution in the cavity 110 to be more compact, utilize the space of the cavity 110 to the maximum extent and reduce the overall dimension of the system. Specifically, the connection mode of the water inlet liquid path is as follows: the external water inlet 120 firstly passes through the water inlet valve 230 and the water inlet bus bar 220 through a first straight pipe, and then is connected into the water inlet pump 210, the water inlet pump 210 is connected with the water inlet bus bar 220, the water inlet bus bar 220 is connected into the water inlet valve 230, and the water inlet valve 230 is connected with the actuator water inlet interface 140. The connection mode of the water outlet liquid path is as follows: the external water outlet 130 firstly passes through the water outlet valve 330 and the water outlet bus bar 320 through the second straight pipe, and then is connected into the water outlet pump 310, the water outlet pump 310 is connected with the water outlet bus bar 320, the water outlet bus bar 320 is connected into the water outlet valve 330, and the water outlet valve 330 is further connected with the actuator water outlet interface 150. The connection between each water pump, the water valve and the busbar can be realized through a straight pipe without bending or the assistance of a bent connector, so that the size of the whole body can be reduced. Meanwhile, with such an arrangement, the external water inlet 120, the actuator water inlet interface 140, the actuator water outlet interface 150 and the external water outlet 130 can be located at a first end of the sealed cabin 100, and the control component can be mounted at a second end of the sealed cabin 100, so as to facilitate connection.
Specifically, in the water inlet path, the water inlet pump 210 and the water inlet bus 220 are both provided with one set, the water inlet valves 230 can be provided with multiple sets, in the water outlet path, the water outlet pump 310 and the water outlet bus 320 are both provided with one set, and the water outlet valve 330 can be provided with multiple sets. It should be noted that the number of the actuator water inlet ports 140 is equal to the number of the water inlet valves 230 and is connected in a one-to-one correspondence manner, and the number of the actuator water outlet ports 150 is equal to the number of the water outlet valves 330 and is connected in a one-to-one correspondence manner. When the water inlet valve 230 and the water outlet valve 330 are provided with a plurality of sets, one water inlet valve 230 and one water outlet valve 330 form one liquid path set, so that a plurality of liquid path sets can be obtained, and the single chip 420 can respectively control the plurality of liquid path sets according to requirements.
It should be noted that, in the description of the present invention, if the orientation or the positional relationship indicated by the orientation description, such as up, down, front, back, left, right, etc., is referred to the orientation or the positional relationship shown in the drawings, it is only for the convenience of description of the present invention and simplification of description, but not for the purpose of indicating or implying that the indicated device or element must have a specific orientation, be constructed or operated in a specific orientation, and should not be interpreted as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, more than, etc. are understood as not including the number, and the terms greater than, less than, etc. are understood as including the number. The description to first or second etc. is for the purpose of distinguishing between technical features and is not to be construed as indicating or implying a relative importance or implying a number of indicated technical features or implying a precedence relationship between indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (5)

1. A novel underwater hydraulic drive system, comprising:
the water inlet and outlet device comprises a sealed cabin (100), wherein a cavity (110) is arranged inside the sealed cabin (100), and the sealed cabin (100) is also provided with an external water inlet (120), an external water outlet (130), an actuator water inlet interface (140) and an actuator water outlet interface (150);
the water inlet liquid path is arranged in the cavity (110) and comprises a water inlet pump (210), a water inlet bus bar (220) and a water inlet valve (230) which are sequentially connected, the water inlet pump (210) is connected with the external water inlet (120), and the water inlet valve (230) is connected with the water inlet interface (140) of the actuator;
the water outlet liquid path is arranged in the cavity (110) and comprises a water outlet pump (310), a water outlet busbar (320) and a water outlet valve (330) which are sequentially connected, the water outlet pump (310) is connected with the external water outlet (130), and the water outlet valve (330) is connected with the water outlet interface (150) of the actuator; and
the control assembly is arranged in the cavity (110) and comprises a power module (410) and a single chip microcomputer (420), wherein the power module (410) is electrically connected with the water inlet pump (210), the water inlet valve (230), the water outlet pump (310), the water outlet valve (330) and the single chip microcomputer (420), and the single chip microcomputer (420) is used for controlling the opening and closing of the water inlet valve (230) and the water outlet valve (330).
2. The new underwater hydraulic drive system as claimed in claim 1, wherein a first end of the capsule (100) is sealingly connected with a first end cap (160), and the external water inlet (120), the external water outlet (130), the actuator water inlet interface (140) and the actuator water outlet interface (150) are all open to the first end cap (160).
3. The novel underwater hydraulic drive system as claimed in claim 2, wherein a second end of the sealed cabin (100) is hermetically connected with a second end cover (170), the second end cover (170) is provided with a power supply interface (171) and a communication interface (172), the power supply module (410) is connected with an external power supply through the power supply interface (171), and the single chip microcomputer (420) is connected with an upper computer through the communication interface (172).
4. The new underwater hydraulic drive system according to claim 1, characterized in that said sealed capsule (100) is cylindrical, the water inlet valve (230), the water inlet bus bar (220) and the water inlet pump (210) are sequentially distributed from the first end to the second end of the sealed cabin (100), the external water inlet (120) is connected with the water inlet pump (210) through a first straight pipe, the water outlet valve (330), the water outlet bus bar (320) and the water outlet pump (310) are distributed in sequence from the first end to the second end of the sealed cabin (100), the external water outlet (130) is connected with the water outlet pump (310) through a second straight pipe, the water inlet path and the water outlet path are distributed along the circumferential direction of the sealed cabin (100), the water inlet pump (210), the water outlet pump (310) and the control assembly are distributed along the circumferential direction of the sealed cabin (100).
5. The novel underwater hydraulic drive system as claimed in claim 1, wherein the number of the actuator water inlet interfaces (140) is equal to the number of the water inlet valves (230) and is connected in a one-to-one correspondence manner, and the number of the actuator water outlet interfaces (150) is equal to the number of the water outlet valves (330) and is connected in a one-to-one correspondence manner.
CN202220712190.XU 2022-03-29 2022-03-29 Novel underwater hydraulic driving system Active CN217327890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220712190.XU CN217327890U (en) 2022-03-29 2022-03-29 Novel underwater hydraulic driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220712190.XU CN217327890U (en) 2022-03-29 2022-03-29 Novel underwater hydraulic driving system

Publications (1)

Publication Number Publication Date
CN217327890U true CN217327890U (en) 2022-08-30

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Application Number Title Priority Date Filing Date
CN202220712190.XU Active CN217327890U (en) 2022-03-29 2022-03-29 Novel underwater hydraulic driving system

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CN (1) CN217327890U (en)

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