CN111846172A - Integrated full-sea-depth propeller - Google Patents

Integrated full-sea-depth propeller Download PDF

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Publication number
CN111846172A
CN111846172A CN202010771144.2A CN202010771144A CN111846172A CN 111846172 A CN111846172 A CN 111846172A CN 202010771144 A CN202010771144 A CN 202010771144A CN 111846172 A CN111846172 A CN 111846172A
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CN
China
Prior art keywords
cavity
driver
compensation
motor
propeller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010771144.2A
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Chinese (zh)
Inventor
张伟
李德军
叶聪
谢飞
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702th Research Institute of CSIC
Original Assignee
702th Research Institute of CSIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 702th Research Institute of CSIC filed Critical 702th Research Institute of CSIC
Priority to CN202010771144.2A priority Critical patent/CN111846172A/en
Publication of CN111846172A publication Critical patent/CN111846172A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63GOFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/08Propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52Tools specially adapted for working underwater, not otherwise provided for

Abstract

The invention discloses an integrated full-sea-depth propeller, which relates to the technical field of underwater engineering and comprises a propeller arranged outside a shell, and a compensation cavity, a driver cavity and a motor cavity which are arranged in the shell and are sequentially communicated; a motor is arranged in the motor cavity, an output shaft of the motor penetrates through the shell to be connected with the propeller, a first through hole is formed in one side, away from the propeller, of the motor cavity, and the motor cavity is communicated with the first side of the driver cavity through the first through hole; a driver is arranged in the driver cavity, the driver is electrically connected with the motor outgoing line, a watertight connector is installed on the side surface of the driver cavity, and the driver is connected with external electrical equipment through the watertight connector; a second through hole is formed in the second side of the driver cavity, the driver cavity is communicated with the first side of the compensation cavity through the second through hole, and a compensator is arranged in the compensation cavity and used for compensating the external seawater pressure acting on the shell; the propeller integrates the driver and the motor, so that the arranging weight and the size can be reduced, and the fault occurrence rate is reduced.

Description

Integrated full-sea-depth propeller
Technical Field
The invention relates to the technical field of underwater engineering, in particular to an integrated full-sea deep propeller.
Background
When a deep sea manned submersible (HOV) and an underwater robot or other moving platform are maneuvered in water, the power source is a propeller, and the current commonly used propeller is an electric propeller which drives a motor to rotate through a driver, so that the propeller is driven to rotate, and thrust is generated to push the carrier to navigate. Fig. 1 is a block diagram of a structure of a traditional deep sea propeller, and adopts a split structure, namely a driver and a motor are installed in a split mode, the driver is installed in a pressure-resistant tank 1, the motor is packaged in a structural shell, and a propeller is fixed on an output shaft of the motor. The driver and the motor are connected through a watertight cable 2 to transmit electric signals. The traditional full-sea-depth propeller has the following defects:
(1) the driver is independently installed in the pressure-resistant tank, the seawater pressure in deep sea is huge, the pressure-resistant tank with good pressure resistance needs to be processed, the requirements on the material and the processing technology of the tank body are high, and the processing difficulty is high;
(2) in order to resist huge seawater pressure, the wall thickness of the pressure-resistant tank needs to be increased, and the weight of the submersible is increased. In order to counteract gravity, a lot of buoyancy materials are additionally added, so that the overall weight and volume of the submersible are increased;
(3) the driver and the motor transmit electric signals through the watertight plug-in and the watertight cable, so that the cost and the failure rate are increased;
(4) the driver and the motor need to be fixed on the carrier through the connecting device respectively, so that the mounting difficulty of the driver and the motor on the carrier is increased.
Disclosure of Invention
The invention provides an integrated full-sea-depth propeller aiming at the problems and the technical requirements, and the propeller is convenient to process, can reduce weight and volume, reduces cost and fault occurrence rate, and is convenient to install and fix with a carrier.
The technical scheme of the invention is as follows:
the integrated full-sea-depth propeller comprises a propeller arranged outside a shell, and a compensation cavity, a driver cavity and a motor cavity which are arranged in the shell and are communicated in sequence; a motor is arranged in the motor cavity, an output shaft of the motor penetrates through the shell to be connected with the propeller, a first through hole is formed in one side, away from the propeller, of the motor cavity, and the motor cavity is communicated with the first side of the driver cavity through the first through hole; a driver is arranged in the driver cavity, the driver is electrically connected with the motor outgoing line, a watertight connector is installed on the side surface of the driver cavity, and the driver is connected with external electrical equipment through the watertight connector; the second through hole has been seted up on the second side in driver chamber, and the driver chamber is provided with the compensator through the first side intercommunication in second through hole and compensation chamber in the compensation intracavity for the external sea water pressure of compensation effect on the casing.
The compensator comprises a spring, a compensation film and a compensation rod, wherein the compensation film is attached to the inner end face of a compensation cavity, the spring is arranged in the compensation film, the compensation rod is in an ┤ shape and comprises a cross rod and a vertical rod vertically connected with the cross rod, one end of the cross rod penetrates through the shell, the other end of the cross rod is fixedly connected with one side of the vertical rod, the vertical rod is located in the compensation cavity, the other side of the vertical rod is correspondingly connected with one end of the spring through the compensation film, and the other end of the spring is fixed on the inner end face of the compensation cavity.
Its further technical scheme does, and the side in driver chamber is provided with mends the hydraulic fluid port, and the compensation oil gets into the driver intracavity through mending the hydraulic fluid port to get into the motor intracavity through first through-hole, get into the compensation intracavity through the second through-hole, be provided with the hole of permeating water on the second side in compensation chamber, external sea water gets into the compensation intracavity through the hole of permeating water, acts on the compensation membrane, and the spring shrink forms the balance of internal and external pressure power.
The further technical scheme is that the compensation film is an elastic film and expands or contracts along with the expansion and contraction of the spring.
The further technical scheme is that the oil quantity of the compensation oil in the shell is determined according to the extending quantity of the cross rod, and when the oil quantity of the compensation oil is less, the oil is timely supplemented through the oil supplementing port.
Its further technical scheme does, is provided with the fin in the driver chamber, and the driver passes through the inside wall laminating in fin and driver chamber.
The propeller is further technically characterized in that the propeller is made of carbon fiber composite materials through a hot press molding process.
The beneficial technical effects of the invention are as follows:
(1) the compensation cavity, the driver cavity and the motor cavity which are respectively used for placing the compensator, the driver and the motor are arranged in the same shell, so that the modular assembly of the propeller is realized, namely the integrated design of the propeller is realized, compared with the split structure form of the existing driver tank body and the motor shell, the system components are reduced, and the system volume and the weight are greatly reduced;
(2) by adopting an integrated structural design, the driver and the motor can be electrically connected through a wire harness without using a watertight cable, so that the cost is saved, the space for laying the watertight cable is saved, the fault points are reduced, and the overall fault rate is reduced;
(3) the propeller is made of carbon fiber composite materials through a hot press molding process, so that the compactness of the structure is guaranteed, and the overall weight is further reduced;
(4) compensation chamber, driver chamber, motor chamber set up in the integrated structure design of same casing, only need with casing one end through a connecting device with the carrier installation fixed can, compare in current with withstand voltage jar, motor casing respectively with the fixed mode of carrier, the installation degree of difficulty greatly reduced.
Drawings
Fig. 1 is a block diagram of a conventional deep sea thruster structure.
Fig. 2 is a cross-sectional view of an integrated full-sea deep propeller provided herein.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 2, the application discloses an integrated full-sea deep thruster, including screw propeller 4 arranged outside housing 3 and compensation chamber, driver chamber and motor chamber arranged in housing 3 and sequentially communicated. The propeller 4 is made of the carbon fiber composite material through hot press molding, so that the compactness of the structure is guaranteed, and the overall weight is further reduced. A motor is arranged in the motor cavity, an output shaft 5 of the motor penetrates through the shell 3 and is connected with the propeller 4 through a locking nut 6, and a flow guide cap 7 is arranged on the outer side of the locking nut 6 to form a streamline appearance and reduce resistance. A first through hole 8 is formed in one side, away from the propeller 4, of the motor cavity, and the motor cavity is communicated with the first side of the driver cavity through the first through hole 8. The motor of this application is brushless DC motor, and electric motor rotor 10 sets up around output shaft 5, and stator winding 9 sets up around electric motor rotor 10, is full of compensation oil 11 between stator winding 9 and the electric motor rotor 10, plays the pressure compensation effect.
A driver 12 is arranged in the driver cavity, and the driver 12 comprises a plurality of IGBT modules. Optionally, a heat sink 13 is further provided, and the driver 12 is attached to the inner side wall of the driver cavity through the heat sink 13. The driver 12 is electrically connected with the motor outgoing line through the first through hole 8, a watertight connector 14 is installed on the side surface of the driver cavity, and the driver 12 is connected with external electrical equipment through the watertight connector 14. Optionally, the external power supply and the control command are connected to the driver 12 through the watertight connector 14, the motor is controlled to rotate according to the designated direction and the designated rotation speed, meanwhile, the detection signal is output through the watertight connector 14 and is detected by the detection system, and the detection signal is the bus current, the motor rotation speed, the fault information and other signals detected by the driver 12. And a second through hole 15 is formed in the second side of the driver cavity, and the driver cavity is communicated with the first side of the compensation cavity through the second through hole 15.
The side in driver chamber still is provided with and mends hydraulic fluid port 16, and compensation oil 11 gets into the driver intracavity through mending hydraulic fluid port 16 to get into the motor intracavity through first through-hole 8, get into the compensation intracavity through second through-hole 15, driver intracavity portion is full of compensation oil 11, and driver 12 can directly bear the effect of oil pressure, and this application is through the external sea water pressure of form compensation of compensation oil 11.
The compensation cavity is internally provided with a compensator for compensating the external seawater pressure acting on the shell 3. The compensator comprises a spring 17, a compensation film 18 and a compensation rod 19, wherein the compensation film 18 is attached to the inner end face of the compensation cavity, the compensation film 18 is an elastic film, and the elastic film expands or contracts along with the expansion and contraction of the spring 17, and optionally, the compensation film 18 is a rubber film. The spring 17 is arranged in the compensation film 18, and the elasticity of the spring 17 ensures that the pressure in the compensation chamber is always kept balanced with the pressure of the external seawater. The compensation rod 19 is in the shape of '┤', and comprises a cross rod and a vertical rod vertically connected with the cross rod, one end of the cross rod penetrates through the shell 3, the other end of the cross rod is fixedly connected with one side of the vertical rod, the vertical rod is located in the compensation cavity, the other side of the vertical rod is correspondingly connected with one end of the spring 17 through the compensation film 18, and the other end of the spring 17 is fixed on the inner end face of the compensation cavity. The oil mass of the compensation oil 11 in the shell 3 is determined according to the extension of the cross rod, the longer the cross rod extends, the more the compensation amount is indicated, when the oil mass of the compensation oil 11 is less, the oil is timely supplemented through the oil supplementing port 16, and the cavity is prevented from being damaged due to insufficient compensation amount.
Be provided with the hole 20 of permeating water on the second side of compensation chamber, external sea water gets into the compensation intracavity through the hole 20 of permeating water, acts on compensation membrane 18 with pressure for thereby spring 17 contracts and guarantees the balance of the internal and external pressure force of casing.
The integrated full-sea-depth propeller is fixedly installed with a carrier through a half-form bracket, can be applied to manned submersible vehicles, cabled remote controlled Underwater Robots (ROVs), cableless Autonomous Underwater robots (AUVs) and various ocean motion platforms which can work in full-sea-depth working water depth, and particularly can be applied to full-sea-depth manned submersible vehicles. Traditional deep sea propeller driver and the split type installation of motor, the centre still needs watertight cable 2 to carry out electrical connection, and total volume and weight are big, and with high costs, and the system is complicated, has increased the fault probability. And the integrated full-sea-depth propeller makes the driver 12 and the motor into an oil-filled pressure-resistant form, is integrally installed, and is integrally compensated through the compensation oil 11, so that the working water depth can meet the requirement of full-sea-depth water pressure. Compared with the traditional propeller, the propeller has the advantages that the propeller saves a pressure-resistant tank 1 of a driver and a watertight cable 2, reduces the volume and the weight of a system, reduces the cost by about 60 percent, and simultaneously improves the overall reliability due to the simple system.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.

Claims (7)

1. An integrated full-sea-depth propeller is characterized by comprising a propeller arranged outside a shell, and a compensation cavity, a driver cavity and a motor cavity which are arranged in the shell and are communicated in sequence; a motor is arranged in the motor cavity, an output shaft of the motor penetrates through the shell to be connected with the propeller, a first through hole is formed in one side, away from the propeller, of the motor cavity, and the motor cavity is communicated with the first side of the driver cavity through the first through hole; a driver is arranged in the driver cavity and is electrically connected with a motor outgoing line, a watertight connector is installed on the side surface of the driver cavity, and the driver is connected with external electrical equipment through the watertight connector; the second side of the driver cavity is provided with a second through hole, the driver cavity is communicated with the first side of the compensation cavity through the second through hole, and a compensator is arranged in the compensation cavity and used for compensating the external seawater pressure acting on the shell.
2. The integrated full-sea-depth propeller of claim 1, wherein the compensator comprises a spring, a compensation film and a compensation rod, the compensation film is attached to the inner end face of the compensation cavity, the spring is arranged in the compensation film, the compensation rod is shaped like ┤ and comprises a cross rod and a vertical rod vertically connected with the cross rod, one end of the cross rod penetrates through the shell, the other end of the cross rod is fixedly connected with one side of the vertical rod, the vertical rod is located in the compensation cavity, the other side of the vertical rod is correspondingly connected with one end of the spring through the compensation film, and the other end of the spring is fixed on the inner end face of the compensation cavity.
3. The integrated full-sea-depth propeller as recited in claim 2, wherein an oil-replenishing port is formed on a side surface of the driver cavity, compensating oil enters the driver cavity through the oil-replenishing port, enters the motor cavity through the first through hole, enters the compensating cavity through the second through hole, a water-permeable hole is formed on a second side of the compensating cavity, external seawater enters the compensating cavity through the water-permeable hole to act on the compensating membrane, and the spring contracts to form a balance between internal and external pressures.
4. The integrated full-sea deep thruster of claim 2 or 3, wherein the compensation diaphragm is an elastic diaphragm which expands or contracts with the expansion and contraction of the spring.
5. The integrated full-sea deep thruster of claim 3, wherein the oil amount of the compensation oil in the shell is determined according to the extension amount of the cross rod, and when the oil amount of the compensation oil is small, the oil is timely supplemented through the oil supplementing port.
6. The integrated full-sea deep thruster of claim 1, wherein heat sinks are provided in the driver cavity, and the driver is attached to the inner side walls of the driver cavity by the heat sinks.
7. The integrated full-sea deep thruster of claim 1, wherein the propeller is manufactured by a hot press molding process using a carbon fiber composite material.
CN202010771144.2A 2020-08-04 2020-08-04 Integrated full-sea-depth propeller Pending CN111846172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010771144.2A CN111846172A (en) 2020-08-04 2020-08-04 Integrated full-sea-depth propeller

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Application Number Priority Date Filing Date Title
CN202010771144.2A CN111846172A (en) 2020-08-04 2020-08-04 Integrated full-sea-depth propeller

Publications (1)

Publication Number Publication Date
CN111846172A true CN111846172A (en) 2020-10-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113581438A (en) * 2021-08-27 2021-11-02 中国船舶科学研究中心 Integrated deep sea integrated electric propeller

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69315194T2 (en) * 1992-10-02 1998-03-26 Fico Cables Sa LID WITH VOLUME COMPENSATING DEVICE FOR HYDRAULIC CYLINDERS WORKING UNDER PRESSURE
CN2596085Y (en) * 2002-12-30 2003-12-31 哈尔滨工程大学 Deep water hydraulic power source
CN102075053A (en) * 2010-11-16 2011-05-25 浙江大学 Deep-sea underwater direct current brushless motor for integrated driver
CN103818535A (en) * 2014-03-14 2014-05-28 中国船舶重工集团公司第七○二研究所 Integrated motor propelling device
PL218282B1 (en) * 2009-12-08 2014-10-31 Politechnika Gdańska Bearing for the rotor of underwater vehicle propulsion
CN104149361A (en) * 2014-07-08 2014-11-19 常州神鹰碳塑复合材料有限公司 Two-time forming method for manufacturing carbon fiber composite material propeller
CN104443323A (en) * 2014-11-13 2015-03-25 上海交通大学 Full-sea-depth brushless direct-current electric propeller with rotary cartridge mechanical seal device
CN111361178A (en) * 2020-04-10 2020-07-03 河南流量新材料有限公司 Control process for white solid on surface of carbon fiber propeller

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69315194T2 (en) * 1992-10-02 1998-03-26 Fico Cables Sa LID WITH VOLUME COMPENSATING DEVICE FOR HYDRAULIC CYLINDERS WORKING UNDER PRESSURE
CN2596085Y (en) * 2002-12-30 2003-12-31 哈尔滨工程大学 Deep water hydraulic power source
PL218282B1 (en) * 2009-12-08 2014-10-31 Politechnika Gdańska Bearing for the rotor of underwater vehicle propulsion
CN102075053A (en) * 2010-11-16 2011-05-25 浙江大学 Deep-sea underwater direct current brushless motor for integrated driver
CN103818535A (en) * 2014-03-14 2014-05-28 中国船舶重工集团公司第七○二研究所 Integrated motor propelling device
CN104149361A (en) * 2014-07-08 2014-11-19 常州神鹰碳塑复合材料有限公司 Two-time forming method for manufacturing carbon fiber composite material propeller
CN104443323A (en) * 2014-11-13 2015-03-25 上海交通大学 Full-sea-depth brushless direct-current electric propeller with rotary cartridge mechanical seal device
CN111361178A (en) * 2020-04-10 2020-07-03 河南流量新材料有限公司 Control process for white solid on surface of carbon fiber propeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113581438A (en) * 2021-08-27 2021-11-02 中国船舶科学研究中心 Integrated deep sea integrated electric propeller

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