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CN107063667B - Temperature active control phase change buoyancy engine performance test device - Google Patents

Temperature active control phase change buoyancy engine performance test device Download PDF

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Publication number
CN107063667B
CN107063667B CN201710342523.8A CN201710342523A CN107063667B CN 107063667 B CN107063667 B CN 107063667B CN 201710342523 A CN201710342523 A CN 201710342523A CN 107063667 B CN107063667 B CN 107063667B
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CN
China
Prior art keywords
temperature
piston
paraffin
upper cover
cooling water
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Expired - Fee Related
Application number
CN201710342523.8A
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Chinese (zh)
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CN107063667A (en
Inventor
宋伟
李铁风
王滔
陈正
叶绍干
朱世强
冀大雄
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201710342523.8A priority Critical patent/CN107063667B/en
Publication of CN107063667A publication Critical patent/CN107063667A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Testing Of Engines (AREA)

Abstract

The invention discloses a kind of phase transformation buoyancy engine performance test apparatus of temperature active control.The present invention is made of buoyancy generating unit and temperature control unit: buoyancy generating unit is made of nut, spring, piston, piston seal, temperature sensor, shell, upper cover sealing ring, upper cover, paraffin and displacement sensor, and temperature control unit is made of cooling water pipe, heating wire, motor, water pump, water tank, DC power supply and switch.The present invention can obtain the Temperature Distribution and volume change of paraffin by temperature sensor and displacement sensor, being capable of the more comprehensively buoyancy adjustment performance of evaluation temperature active control wax phase change buoyancy engine in conjunction with cooling water flow and electric-heating-wire-heating time.And the structure of experimental rig is relatively simple, and it is easy to maintain.

Description

The phase transformation buoyancy engine performance test apparatus of temperature active control
Technical field
Change the buoyancy engine performance of buoyancy the present invention relates to a kind of buoyancy engine, especially active control paraffin temperature Experimental rig.
Background technique
Buoyancy engine is the important subsystem of underwater hiding-machine, by adjusting the net buoyancy of latent device, to change the work of latent device Industry water layer keeps the latent operation posture of device in water.Common temperature difference phase transformation buoyancy engine is the temperature difference using thermocline layer Can, latent device buoyancy is adjusted by paraffin expanding with heat and contract with cold in two phase transition of solid-liquid, has that at low cost, vibrating noise is small, continuous The advantages that boat ability is strong.However, the heating conduction of paraffin is poor, the response time of above-mentioned buoyancy engine is up to 10min magnitude, floats Power adjustment speed is slow, is not suitable for the underwater hiding-machine of high maneuverability and flexibility.
Summary of the invention
The purpose of the present invention is to provide a kind of phase transformation buoyancy engine performance test apparatus of temperature active control.
The technical solution adopted by the present invention to solve the technical problems is: a kind of phase transformation buoyancy engine of temperature active control Performance test apparatus is made of buoyancy generating unit and temperature control unit:
(1) buoyancy generating unit is by nut, spring, piston, piston seal, temperature sensor, shell, upper cover sealing Circle, upper cover, paraffin and displacement sensor are constituted.
(2) temperature control unit is made of cooling water pipe, heating wire, motor, water pump, water tank, DC power supply and switch.
Upper cover is linked together by the upper end of screw thread and shell, is equipped with upper cover sealing ring between the two；Piston installation In the inner hole of shell, piston seal is installed between the two；Upper cover, piston, shell constitute a cavity, fill in cavity Paraffin, cooling water pipe and heating wire are inserted into paraffin by the through-hole of upper cover；Cooling water in cooling water pipe is to be driven by motor Water pump extracted out from water tank, the heat of paraffin is taken away through cooling water pipe, returns water tank, realizes the reduction of paraffin temperature.
Heating wire is connect with DC power supply, by the power on/off of switch control heating wire, to realize the raising of paraffin temperature；Temperature Degree sensor is mounted in the hole of shell, to measure the temperature of paraffin in cavity；Nut by being threadably mounted at the lower end of shell, A cavity is constituted with piston, is filled with water in cavity, water is communicated by the aperture on nut with external environment；Spring is to piston Applied force effect, guarantees that piston can return to original position in paraffin volume-diminished；Displacement sensor is installed, to measure on nut The displacement of piston.
The invention has the advantages that:
(1) by temperature sensor and displacement sensor, the Temperature Distribution and volume change of paraffin can be obtained, in conjunction with cold It but water flow and electric-heating-wire-heating time, being capable of the more comprehensively buoyancy of evaluation temperature active control wax phase change buoyancy engine Regulation performance.
(2) structure of the experimental rig is relatively simple, easy to maintain.
Detailed description of the invention
Fig. 1 is general illustration of the invention.
In figure: 1, nut, 2, spring, 3, piston, 4, piston seal, 5, temperature sensor, 6, shell, 7, upper cover sealing Circle, 8, upper cover, 9, cooling water pipe, 10, heating wire, 11, paraffin, 12, displacement sensor, 13, motor, 14, water pump, 15, water tank, 16, DC power supply, 17, switch.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, the present embodiment is made of buoyancy generating unit and temperature control unit.Buoyancy generating unit is by spiral shell Mother 1, spring 2, piston 3, piston seal 4, temperature sensor 5, shell 6, upper cover sealing ring 7, upper cover 8, paraffin 11 and displacement Sensor 12 is constituted.Temperature control unit is by cooling water pipe 9, heating wire 10, motor 13, water pump 14, water tank 15, DC power supply 16 are constituted with switch 17.
Upper cover 8 is linked together by the upper end of screw thread and shell 6, is equipped with upper cover sealing ring 7 between the two；Piston 3 It is mounted in the inner hole of shell 6, piston seal 4 is installed between the two；Upper cover 8, piston 3, shell 6 constitute a cavity, Paraffin 11, cooling water pipe 9 and heating wire 10 is filled in cavity to be inserted into paraffin 11 by the through-hole of upper cover 8；In cooling water pipe 9 Cooling water is that the water pump 14 driven by motor 13 is extracted out from water tank 15, takes away the heat of paraffin 11 through cooling water pipe 9, then Water tank 15 is returned to, realizes the reduction of 11 temperature of paraffin；Heating wire 10 is connect with DC power supply 16, controls heating wire 9 by switch 17 Power on/off, to realize the raising of 11 temperature of paraffin；Temperature sensor 5 is mounted in the hole of shell 6, to measure paraffin in cavity 11 temperature；Nut 1 constitutes a cavity by being threadably mounted at the lower end of shell 6, with piston 3, is filled with water, water in cavity It is communicated by the aperture 18 on nut 1 with external environment；Spring 2 acts on 3 applied force of piston, guarantees in 11 volume-diminished of paraffin When piston 3 can return to original position；Displacement sensor 12 is installed, to measure the displacement of piston 3 on nut 1.

Claims (1)

1.温度主动控制的相变浮力引擎性能试验装置，由浮力发生单元和温度控制单元组成，其特征在于：1. The temperature-controlled phase-change buoyancy engine performance test device is composed of a buoyancy generating unit and a temperature control unit, and is characterized in that: 浮力发生单元由螺母（1）、弹簧（2）、活塞（3）、活塞密封圈（4）、温度传感器（5）、壳体（6）、上盖密封圈（7）、上盖（8）、石蜡（11）和位移传感器（12）构成；温度控制单元由冷却水管（9）、电热丝（10）、电机（13）、水泵（14）、水箱（15）、直流电源（16）和开关（17）构成；The buoyancy generating unit consists of a nut (1), a spring (2), a piston (3), a piston sealing ring (4), a temperature sensor (5), a casing (6), an upper cover sealing ring (7), an upper cover (8) ), paraffin (11) and displacement sensor (12); the temperature control unit consists of a cooling water pipe (9), a heating wire (10), a motor (13), a water pump (14), a water tank (15), and a DC power supply (16) and switch (17); 上盖（8）通过螺纹与壳体（6）的上端联接在一起，两者之间安装有上盖密封圈（7）；活塞（3）安装在壳体（6）的内孔内，两者之间安装有活塞密封圈（4）；上盖（8）、活塞（3）、壳体（6）构成一个空腔，空腔内注满石蜡（11），冷却水管（9）和电热丝（10）通过上盖（8）的通孔插入石蜡（11）中；冷却水管（9）内的冷却水，是由电机（13）驱动的水泵（14）从水箱（15）中抽出，经冷却水管（9）将石蜡（11）的热量带走，再回到水箱（15），实现石蜡温度的降低；The upper cover (8) is connected with the upper end of the casing (6) through threads, and an upper cover sealing ring (7) is installed between the two; the piston (3) is installed in the inner hole of the casing (6), and the two A piston sealing ring (4) is installed between them; the upper cover (8), the piston (3), and the casing (6) form a cavity, and the cavity is filled with paraffin (11), a cooling water pipe (9) and an electric heater. The wire (10) is inserted into the paraffin wax (11) through the through hole of the upper cover (8); the cooling water in the cooling water pipe (9) is extracted from the water tank (15) by the water pump (14) driven by the motor (13), The heat of the paraffin (11) is taken away through the cooling water pipe (9), and then returned to the water tank (15) to reduce the temperature of the paraffin; 电热丝（10）与直流电源（16）连接，由开关（17）控制电热丝（10）的通断电，以实现石蜡（11）温度的升高；温度传感器（5）安装在壳体（6）的孔中，来测量空腔内石蜡（11）的温度；螺母（1）通过螺纹安装在壳体（6）的下端，与活塞（3）构成一个空腔，空腔内充满了水，水通过螺母（1）上的小孔（18）与外界环境相通；弹簧（2）对活塞（3）施加力作用，保证在石蜡（11）体积缩小时活塞（3）能够回到原位；螺母（1）上安装有位移传感器（12），来测量活塞（3）的位移。The heating wire (10) is connected to the DC power supply (16), and the on-off of the heating wire (10) is controlled by a switch (17), so as to increase the temperature of the paraffin wax (11); the temperature sensor (5) is installed in the casing ( 6), to measure the temperature of the paraffin (11) in the cavity; the nut (1) is installed on the lower end of the casing (6) through the thread, and forms a cavity with the piston (3), and the cavity is filled with water , the water communicates with the external environment through the small hole (18) on the nut (1); the spring (2) exerts a force on the piston (3) to ensure that the piston (3) can return to its original position when the volume of the paraffin (11) is reduced ; A displacement sensor (12) is installed on the nut (1) to measure the displacement of the piston (3).
CN201710342523.8A 2017-05-16 2017-05-16 Temperature active control phase change buoyancy engine performance test device Expired - Fee Related CN107063667B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109795654A (en) * 2019-03-13 2019-05-24 余姚市浙江大学机器人研究中心 The buoyancy engine device of temperature active control phase transformation based on Peltier's element
CN109751179A (en) * 2019-03-13 2019-05-14 余姚市浙江大学机器人研究中心 A kind of phase transformation buoyancy engine device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351301A (en) * 1980-04-30 1982-09-28 Transamerica Delaval, Inc. Fuel supply for a diesel engine
CN1644451A (en) * 2005-01-25 2005-07-27 天津大学 Gliding movement underwater robot driven by temperature differential energy
WO2008140962A1 (en) * 2007-05-09 2008-11-20 California Institute Of Technology Phase change material thermal power generator
CN101646862A (en) * 2007-02-14 2010-02-10 毛诺·瑞阿纳 Buoyancy engine
CN103140669A (en) * 2011-09-26 2013-06-05 宁振平 Buoyant piston
CN103486096A (en) * 2013-09-27 2014-01-01 浙江大学舟山海洋研究中心 Piston-type deep sea pressure compensator capable of avoiding sea water pollution

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351301A (en) * 1980-04-30 1982-09-28 Transamerica Delaval, Inc. Fuel supply for a diesel engine
CN1644451A (en) * 2005-01-25 2005-07-27 天津大学 Gliding movement underwater robot driven by temperature differential energy
CN101646862A (en) * 2007-02-14 2010-02-10 毛诺·瑞阿纳 Buoyancy engine
WO2008140962A1 (en) * 2007-05-09 2008-11-20 California Institute Of Technology Phase change material thermal power generator
CN103140669A (en) * 2011-09-26 2013-06-05 宁振平 Buoyant piston
CN103486096A (en) * 2013-09-27 2014-01-01 浙江大学舟山海洋研究中心 Piston-type deep sea pressure compensator capable of avoiding sea water pollution

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Granted publication date: 20190329