CN101183020A - Phase-change working substance volume changing measurement mechanism for simulating abyssal environment - Google Patents
Phase-change working substance volume changing measurement mechanism for simulating abyssal environment Download PDFInfo
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- CN101183020A CN101183020A CNA2007101721642A CN200710172164A CN101183020A CN 101183020 A CN101183020 A CN 101183020A CN A2007101721642 A CNA2007101721642 A CN A2007101721642A CN 200710172164 A CN200710172164 A CN 200710172164A CN 101183020 A CN101183020 A CN 101183020A
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Abstract
The invention provides a measurement device for phase transition working medium volume change, which can simulate the environment of deep sea and belongs to the technical field of ocean engineering material measurement. The invention comprises a main body, a liner, an air relief plug, a pressure gauge, a thermoelectric couple, a supplement water valve, a temperature control unit, a lever system for simulating deep sea pressure and a heat pump system for simulating deep sea temperature. By the heat pump system, a pressure-resisting coil can play the functions of an evaporator and a condenser and simulate the temperature environment of deep sea; by the lever system, a plunger piston can pressurize the water in the main body and simulate the pressure environment of deep sea. By measuring the volume change of the water in the main body, the volume change of working medium in the liner caused by different pressure and temperature can be work out; the measuring device can simulate the environment of deep sea with utmost 1000 meters below the sea level. The measuring device is the accurate and reliable measuring device which can be popularized for application and has significant scientific value and social benefit.
Description
Technical field
The present invention relates to a kind of phase-change working substance volume changing measurement mechanism, especially a kind of phase-change working substance volume changing measurement mechanism of simulated deep-sea environment belongs to oceanographic engineering Materials Measurement technical field.
Background technology
Underwater research vehicle with the Ocean thermal energy driving, with the phase-change working substance is the working medium of propulsion system, from the ocean, extract and marinely cruise required energy for a long time and need not to carry the help of the energy, it is a kind of underwater vehicle with broad prospect of application, the power performance of this device greatly depends on the performance of phase-change working substance, and is particularly sea water advanced down owing to the different volume change situations that cause of pressure and temperature environment in difference.At present, still do not have the experimental enviroment that can provide temperature and pressure to change and also carry out the device that volume change is measured simultaneously.In the prior art, application number is 96107834.0, name is called " the synchronous online determination method of composite conducting material resistance-capacitance-temperature-pressure " patent of invention, only can measure the telescopic of solid material, can't be applicable to fluid working substance, volume change that more can not convection cell is measured.
Summary of the invention
In order to overcome the deficiencies in the prior art, solve the measurement of the volume change situation of underwater research vehicle power system phase-change working substance under deep sea pressure and temperature environment, the invention provides a kind of phase-change working substance volume changing measurement mechanism of simulated deep-sea environment.This measurement mechanism can be simulated the pressure and temperature condition under the different depth of deep-sea, make tested working medium be in the similar environment of ocean different depth in, can be to working medium owing to the volume change that phase transformation causes be measured accurately, for the mensuration of the important performance characteristic that works in the underwater research vehicle power system working medium in the deep-sea provides accurately, reliable fast way.
The present invention is achieved by the following technical solutions.
The present invention includes main body, inner bag, air relief cock, tensimeter, plunger cylinder sleeve, plunger, lever, bearing pin, crotch, counterweight, thermopair, water compensating valve, temperature control unit, load-bearing supporting, withstand voltage coil pipe, bidirectional throttling valve, fan, air cooling heat exchanger, compressor, two station cross-over valves.Wherein, withstand voltage coil pipe, bidirectional throttling valve, fan, air cooling heat exchanger, compressor, two station cross-over valves constitute heat pump, are used to simulate the abyssal temperature environment; Plunger cylinder sleeve, plunger, lever, bearing pin, crotch, counterweight constitute lever system, are used to simulate the deep sea pressure environment.
Main body is that two ends are that ball-type face, centre are the closed shell of cylindrical surface, and main body adopts low alloy steel material welding processing to form, and main body relies on the load-bearing supporting steadily to be horizontally placed on the ground.The ball-type face at main body two ends adopts pressing mold to be shaped, and has round mouth on the ball-type face-piece body of two ends.In order to guarantee the intensity of main body and each parts junction, be welded with xsect at main body both ends open place respectively and be circular reinforcement leg, on main body nose-circle cylindrical shell, have small one and large one two holes, it is interior and integrally welded with main body that the cylindrical plunger cylinder sleeve inserts aperture, is welded with xsect around the macropore and strengthens leg for circular pedestal.The instrument pedestal places pedestal to strengthen in the leg, and integrally welded with pedestal reinforcement leg inwall.Watertight door is connected the reinforcement leg inboard of main body left end, can inwardly open, so that pack into and take out inner bag.Under the effect of body interior pressure, watertight door will further improve sealing.Plunger places in the plunger cylinder sleeve, can slide up and down, and the central authorities of plunger upper end are processed with the straight trough that the cross section is a rectangle, and lever places in the straight trough, and is connected with plunger by bearing pin.Plunger surface is processed with the length groove of SI system, so that read main body inner volume delta data for calculating working medium volume change data use in the inner bag.
Manometric table bar and thermocouple well snugly fit in the closely-pitched taper pipe thread of two places sealing on the instrument pedestal, and guarantee not leak under the 15MPa pressure.Water compensating valve is passed in the circular hole at instrument pedestal middle part by withstand voltage water pipe, and closely cooperates with the instrument pedestal.
Pedestal tube is welded on the main body right side and strengthens in the leg.The two ends tube head of withstand voltage coil pipe passes pedestal tube and closely cooperates by nut and compound rubberite packing ring and pedestal tube, and an end of withstand voltage coil pipe is connected with the lower-left end pipe of two station cross-over valves.The upper left port of two station cross-over valves is connected with the outlet of compressor, and the import of compressor is connected with the bottom right port tube of two station cross-over valves.The upper right port of two station cross-over valves is connected with an end pipe of air cooling heat exchanger, and the other end of air cooling heat exchanger is connected with the other end of withstand voltage coil pipe by bidirectional throttling valve.Fan places by the air cooling heat exchanger, and air cooling heat exchanger relies on the fan forced draft with distribute heat or cold.
Thermopair places in the thermocouple well, and passes thermocouple well.Filled enough and the inserts cementing agent mix in the thermocouple well, not only guaranteed the fixing of thermopair, guaranteed that again thermocouple well does not leak because of high pressure after filler solidifies.The output terminal of thermopair is electrically connected with the input end of temperature control unit, and the output terminal of temperature control unit is electrically connected with compressor, two station cross-over valves and fan control end respectively.
Crotch is installed on the front end face of load-bearing supporting, is connected by the circular hole of wire rope with the lever left end, and lever right-hand member circular hole hangs the pallet that counterweight is housed by suspension rod.The distance of the left and right end circular hole of lever is lever left end circular hole five times to the bearing pin distance.
Inner bag comprises pressure ring, inner bag cylindrical shell, gland, latex film, O type cushion rubber and rubber seal.The inner bag cylindrical shell be one by stainless steel material is made, two ends have internal shoulder cylinder.Gland is connected with inner bag cylindrical shell threaded one end by rubber seal, the latex film is seated on the internal shoulder of the inner bag cylindrical shell other end, pressure ring is threaded with the inner bag cylindrical shell other end, and O type cushion rubber places between latex film and the pressure ring, makes latex film periphery not leak working medium.The latex film has enough elasticity and retractility, and has enough intensity, the surface is fully enlarged also do not break.Air relief cock is installed in the screw of inner bag outside surface.Air relief cock is one and is processed into the screw that has T type duct by stainless steel material that the aperture of bottom communicates with inner bag inside.When the outside turn of air relief cock, inner bag communicates with the external world by horizontal hole, can discharge the gas in the inner bag.When air relief cock inwardly screwed, inner bag was hedged off from the outer world, and formed closed cavity.
Before the phase-change working substance volume change of beginning measure analog deep-marine-environment, the gland with inner bag one end unloads the working medium to be measured of packing into earlier.If working medium is the solid shape, should use the warm water heat fused earlier, working medium that inner bag is contained is is full of shape; The latex film on right side slightly is standing shape, promptly the working medium in the inner bag have slightly excessive.After covering and screwing gland, air relief cock is outwards unscrewed, be in deflated state, rotate pressure ring then and push the latex film inwards, the bubble in the working medium is discharged, in the duct of air relief cock, flow out a little working medium, show gas emptying, screw air relief cock immediately, then inner bag is put into main body by the watertight door of main body, accumbency is on support and make air relief cock straight up, closes watertight door then.
Unload tensimeter, so that the air of body interior is discharged.Open water compensating valve, make to be full of water in the main body.By the time the water surface is raised to manometric mounting hole when flowing out, and should stop into water, and make proper arrangements tensimeter, guarantee its sealing after installing, and then continue amount of makeup water, up to plunger be in can reading the position, close water compensating valve, stop into water.Begin formally to try the survey process immediately.
Utilize the counterweight of lever right-hand member, the pressure of regulating in the main body meets the requirements of numerical value, writes down the initial reading of plunger simultaneously.Start-up temperature control module, heat pump and thermopair make it to start working.In the process that adjustment changes, constantly write down temperature and pressure numerical value.Along with temperature that main body was filled with water constantly rises, the latex film of inner bag is because of the working medium constantly bulging of expanding, and water level constantly rises in the plunger case, arrives setting value after 5-20 minute up to water temperature, and working medium fully expands and volume no longer changes, and measuring process finishes.
Heat pump has adopted two station cross-over valves, makes withstand voltage coil pipe bring into play evaporator and two kinds of functions of condenser as required.Heat pump adopts the R-22 refrigeration working medium.When the water in the main body need heat up, heat pump was according to heat-supplying mode work, and temperature control unit is according to the work of the temperature value control heat pump of the temperature signal of thermopair output and setting.At this moment, the circulating path of heat pump is: compressor outlet → withstand voltage coil pipe → bidirectional throttling valve → air cooling heat exchanger → compressor inlet.When the water in the main body need be lowered the temperature, temperature control unit was controlled two station cross-over valve conversion stations, and controlled heat pump according to refrigeration cycle work, to meet the requirements of the ocean temperature environment according to the temperature signal of thermopair output and the temperature value of setting.At this moment, the circulating path of heat pump is: compressor outlet → air cooling heat exchanger → bidirectional throttling valve → withstand voltage coil pipe → compressor inlet.
Beneficial effect of the present invention: measurement mechanism of the present invention can be simulated the pressure and temperature condition under the different depth of deep-sea, make tested working medium be in the similar environment of different depth in, for working medium provides direct, simple and direct approach because of phase transformation causes the accurate measurement of volume change, this device be a kind ofly can apply, measurement mechanism accurately and reliably.The mensuration that the present invention can be the important performance characteristic of the underwater research vehicle power system working medium that works in the deep-sea provides conscientiously, reliable measurement means, and tangible scientific value and social benefit are arranged.
Description of drawings
Fig. 1 is the structural principle synoptic diagram of measurement mechanism of the present invention.
Fig. 2 is the structural representation of inner bag in the measurement mechanism of the present invention.
Fig. 3 is main body and lever in the measurement mechanism of the present invention, plunger catenation principle figure.
Fig. 4 is an instrument base mounting structure synoptic diagram in the measurement mechanism of the present invention.
Among the figure: 1, main body, 2, inner bag, 3, rubber seal, 4, pressure ring, 5, the inner bag cylindrical shell, 6, gland, 7, the latex film, 8, O type cushion rubber, 9, air relief cock, 10, tensimeter, 11, the plunger cylinder sleeve, 12, plunger, 13, watertight door, 14, lever, 15, bearing pin, 16, crotch, 17, pallet, 18, counterweight, 19, strengthen leg, 20, pedestal is strengthened leg, 21, pedestal tube, 22, the instrument pedestal, 23, thermocouple well, 24, thermopair, 25, water compensating valve, 26, temperature control unit, 27, withstand voltage coil pipe, 28, the load-bearing supporting, 29, bidirectional throttling valve, 30, fan, 31, air cooling heat exchanger, 32, compressor, 33, two station cross-over valves.
Specific embodiments
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the present invention includes main body 1, inner bag 2, air relief cock 9, tensimeter 10, plunger cylinder sleeve 11, plunger 12, lever 14, bearing pin 15, crotch 16, pallet 17, counterweight 18, thermopair 24, water compensating valve 25, temperature control unit 26, load-bearing supporting 28, withstand voltage coil pipe 27, bidirectional throttling valve 29, fan 30, air cooling heat exchanger 31, compressor 32, two station cross-over valves 33.Wherein, withstand voltage coil pipe 27, bidirectional throttling valve 29, fan 30, air cooling heat exchanger 31, compressor 32, two station cross-over valves 33 constitute heat pump, make withstand voltage coil pipe 27 performance evaporator and two kinds of functions of condenser, simulation abyssal temperature environment by heat pump; Plunger cylinder sleeve 11, plunger 12, lever 14, bearing pin 15, crotch 16, pallet 17, counterweight 18 constitute lever system, make plunger 12 give the pressurization of the water in the main body 1 by lever system, simulation deep sea pressure environment.
The table bar of tensimeter 10 and thermocouple well 23 snugly fit in the closely-pitched taper pipe thread of two places sealing on the instrument pedestal 22, and guarantee not leak under the 15MPa pressure.Water compensating valve 25 is passed in the circular hole at instrument pedestal 22 middle parts by withstand voltage water pipe, and closely cooperates with instrument pedestal 22.
The pedestal tube 21 that 10mm is thick is welded on main body 1 right side and strengthens in the leg 19.The two ends tube head of withstand voltage coil pipe 27 passes pedestal tube 21 and closely cooperates by nut and compound rubberite packing ring and pedestal tube 21, withstand voltage coil pipe 27 is a titanium alloy tube, can bear the pressure of 15MPa, an end of withstand voltage coil pipe 27 is connected with the lower-left end pipe of two station cross-over valves 33.The upper left port of two station cross-over valves 33 is connected with the outlet of compressor 32, and the import of compressor 32 is connected with the bottom right port tube of two station cross-over valves 33.The upper right port of two station cross-over valves 33 is connected with an end pipe of air cooling heat exchanger 31, the other end of air cooling heat exchanger 31 is connected with the other end of withstand voltage coil pipe 27 by bidirectional throttling valve 29, fan 30 places air cooling heat exchanger 31 other, and air cooling heat exchanger 31 relies on next-door neighbour's fan 30 forced drafts with distribute heat or cold.
Thermopair 24 places in the thermocouple well 23, and passes thermocouple well 23 and stretch in the main body 1.Filled enough and the inserts cementing agent mix in the thermocouple well 23, not only guaranteed the fixing of thermopair 24, guaranteed that again thermocouple well 23 does not leak because of high pressure after filler solidifies.The output terminal of thermopair 24 is electrically connected with the input end of temperature control unit 26, and the output terminal of temperature control unit 26 is electrically connected with compressor 32, two station cross-over valves 33 and fan 30 control ends respectively.
Crotch 16 is installed on the front end face of load-bearing supporting 28, be connected by the circular hole of wire rope with lever 14 left ends, lever 14 right-hand member circular holes hang the pallet 17 that counterweight 18 is housed by suspension rod, counterweight 18 is flattened cylindrical bodies of opening oval opening in the middle of being processed into by casting pig material or cast steel, weight is respectively 400g, 800g, 2000g, 5000g, wherein 5000g's has 8.The distance of lever 14 left and right end circular holes is five times to bearing pin 15 distances of lever 14 left end circular holes.
Before the phase-change working substance volume change of beginning measure analog deep-marine-environment, the gland 6 with inner bag 2 one ends unloads the working medium to be measured of packing into earlier.If working medium is the solid shape, should use the warm water heat fused earlier, inner bag 2 working medium of containing is is full of shape; The latex film 7 on right side slightly is standing shape, promptly the working medium in the inner bag 2 have slightly excessive.After covering and screw gland 6, air relief cock 9 is outwards unscrewed, be in deflated state, rotate pressure ring 4 then and push latex film 7 inwards, the bubble in the working medium is discharged, in the duct of air relief cock 9, flow out a little working medium, show gas emptying, screw air relief cock 9 immediately, then inner bag 2 is put into main body 1 by the watertight door 13 of main body 1, accumbency is on support and make air relief cock 9 straight up, closes watertight door 13 then.
Unload tensimeter 10, so that the air of main body 1 inside is discharged.Open water compensating valve, make in the main body 1 to be full of water.By the time the water surface is raised to the mounting hole of tensimeter 10 when flowing out, and should stop into water, and make proper arrangements tensimeter 10, guarantee its sealing after installing, and then continue amount of makeup water, up to plunger 12 be in can reading the position, close water compensating valve 25, stop into water.Begin formally to try the survey process immediately.
Utilize the counterweight 18 of lever 14 right-hand members, the pressure of regulating in the main body 1 meets the requirements of numerical value, writes down the initial reading of plunger 12 simultaneously.Start-up temperature control module 26, heat pump and thermopair 24 make it to start working.In the process that adjustment changes, constantly write down temperature and pressure numerical value.The temperature that is filled with water along with main body 1 constantly rises, the latex film 7 of inner bag 2 is continuous bulging because of working medium expands, and water level constantly rises in plunger 12 cylinders, arrives setting value after 5-20 minute up to water temperature, working medium fully expands and volume no longer changes, and measuring process finishes.
Because the distance of lever 14 left and right end circular holes is five times to bearing pin 15 distances of lever 14 left end circular holes, promptly the plumbing arm of lever and the arm of force are taked 5: 1 ratio, when counterweight 18 is respectively 400g, when 800g and 2000g, are 2cm at cross-sectional area
2Plunger 12 times, produce 1kg/cm
2, 2kg/cm
2And 5kg/cm
2Gauge pressure, be equivalent to 10m, the 20m and the 50m depth of water.When the pressure environment of the ocean of 1000 meters degree of depth of needs simulation, gauge pressure is 100kg/cm in the main body 1
2, should adopt general assembly (TW) is the weight group of 40kg, promptly adopts the counterweight 18 of 8 5000g, this is the maximum analog degree of depth that this measurement mechanism allows.
Heat pump has adopted two station cross-over valves 33, makes withstand voltage coil pipe 27 bring into play evaporator and two kinds of functions of condenser as required.Heat pump adopts the R-22 refrigeration working medium.When the water in the main body 1 need heat up, heat pump was according to heat-supplying mode work, and temperature control unit 26 is according to the work of the temperature value control heat pump of the temperature signal of thermopair 24 outputs and setting.At this moment, the circulating path of heat pump is: 32 imports of compressor 32 outlet → withstand voltage coil pipe 27 → bidirectional throttling valve 29 → air cooling heat exchanger 31 → compressors.When the water in the main body 1 need be lowered the temperature, temperature control unit 26 controls two station cross-over valves 33 conversion stations, and according to the temperature value control heat pump of the temperature signal of thermopair 24 output and setting according to refrigeration cycle work, to meet the requirements of the ocean temperature environment.At this moment, the circulating path of heat pump is: compressor 32 outlet → air cooling heat exchangers 31 → bidirectional throttling valve 29 → withstand voltage coil pipe 27 → compressor 32 imports.
Claims (6)
1. the phase-change working substance volume changing measurement mechanism of a simulated deep-sea environment, comprise main body (1), inner bag (2), air relief cock (9), tensimeter (10), plunger cylinder sleeve (11), plunger (12), lever (14), bearing pin (15), crotch (16), pallet (17), counterweight (18), thermopair (24), water compensating valve (25), temperature control unit (26), load-bearing supporting (28), withstand voltage coil pipe (27), bidirectional throttling valve (29), fan (30), air cooling heat exchanger (31), compressor (32), two station cross-over valves (33), it is characterized in that: withstand voltage coil pipe (27), bidirectional throttling valve (29), fan (30), air cooling heat exchanger (31), compressor (32), two station cross-over valves (33) constitute heat pump, simulation abyssal temperature environment; Plunger cylinder sleeve (11), plunger (12), lever (14), bearing pin (15), crotch (16), pallet (17), counterweight (18) constitute lever system, simulation deep sea pressure environment; Main body (1) is that two ends are the ball-type face, the centre is the closed shell of cylindrical surface, main body (1) relies on load-bearing supporting (28) steadily to be horizontally placed on the ground, on the ball-type face-piece body of main body (1) two ends, have round mouth, be welded with xsect at two ends round mouth place respectively and be circular reinforcement leg (19), on main body (1) nose-circle cylindrical shell, have small one and large one two holes, it is interior and integrally welded with main body (1) that cylindrical plunger cylinder sleeve (11) inserts aperture, be welded with xsect around the macropore and strengthen leg (20) for circular pedestal, instrument pedestal (22) places pedestal to strengthen in the leg (20), and it is integrally welded with pedestal reinforcement leg (20) inwall, watertight door (13) is connected reinforcement leg (19) inboard of main body (1) left end, inwardly open, plunger (12) places in the plunger cylinder sleeve (11), can slide up and down, the central authorities of plunger (12) upper end are processed with the straight trough that the cross section is a rectangle, lever (14) places in the straight trough, and be connected with plunger (12) by bearing pin 15, the table bar of tensimeter (10) and thermocouple well (23) snugly fit in the closely-pitched taper pipe thread of instrument pedestal (22) last two places sealing, thermopair (24) places in the thermocouple well (23), and pass thermocouple well (23) and stretch in the main body (1), water compensating valve (25) is passed in the circular hole at instrument pedestal (22) middle part by withstand voltage water pipe and closely cooperates with instrument pedestal (22); Pedestal tube (21) is welded on main body (1) right side and strengthens in the leg (19), the two ends tube head of withstand voltage coil pipe (27) passes pedestal tube (21) and closely cooperates with pedestal tube (21), one end of withstand voltage coil pipe (27) is connected with the lower-left end pipe of two station cross-over valves (33), the upper left port of two station cross-over valves (33) is connected with the outlet of compressor (32), the import of compressor (32) is connected with the bottom right port tube of two station cross-over valves (33), the upper right port of two station cross-over valves (33) is connected with an end pipe of air cooling heat exchanger (31), the other end of air cooling heat exchanger (31) is connected with the other end of withstand voltage coil pipe (27) by bidirectional throttling valve (29), fan (30) places air cooling heat exchanger (31) other, the output terminal of thermopair (24) is electrically connected with the input end of temperature control unit (26), the output terminal of temperature control unit (26) respectively with compressor (32), two station cross-over valves (33) and fan (30) control end are electrically connected; Crotch (16) is installed on the front end face of load-bearing supporting (28), is connected by the circular hole of wire rope with lever (14) left end, and lever (14) right-hand member circular hole hangs by suspension rod the pallet (17) of counterweight (18) is housed; Inner bag (2) comprises pressure ring (4), inner bag cylindrical shell (5), gland (6) and latex film (7), gland (6) is connected with inner bag cylindrical shell (5) threaded one end by rubber seal (3), latex film (7) is seated on the internal shoulder of inner bag cylindrical shell (5) other end, pressure ring (4) is threaded with inner bag cylindrical shell (5) other end, O type cushion rubber (8) places between latex film (7) and the pressure ring (4), and air relief cock (9) is installed in the screw of inner bag (2) outside surface.
2. the phase-change working substance volume changing measurement mechanism of simulated deep-sea environment according to claim 1, what it is characterized in that described main body (1) employing is the low alloy steel 16MnR material of 8 millimeters thick, the ball-type face at its two ends adopts pressing mold to be shaped, pedestal tube (21) and instrument pedestal (22) adopt the thick low alloy steel 16MnR material of 10mm, Tensile strength is 510-615MPa, withstand voltage 15MPa during the sealing of main body (1) structure; Air relief cock (9) is one and is processed into the screw that has T type duct by stainless steel material that the aperture of bottom communicates with inner bag (2) inside.
3. the phase-change working substance volume changing measurement mechanism of simulated deep-sea environment according to claim 1 is characterized in that described plunger (12) xsect is 2cm
2, the gap between plunger cylinder sleeve (11) and plunger (12) is very little, adopts the H6/g5 fit system, and plunger (12) surface working has the length groove of SI system.
4. the phase-change working substance volume changing measurement mechanism of simulated deep-sea environment according to claim 1 is characterized in that described withstand voltage coil pipe (27) is a titanium alloy tube, can bear the pressure of 15MPa.
5. the phase-change working substance volume changing measurement mechanism of simulated deep-sea environment according to claim 1; it is characterized in that described counterweight (18) weight is respectively 400g, 800g, 2000g; 5000g; wherein 5000g's has 8, and the distance of the left and right end circular hole of lever (14) is lever (14) left end circular hole five times to bearing pin (15) distance.
6. the phase-change working substance volume changing measurement mechanism of simulated deep-sea environment according to claim 1, it is characterized in that described inner bag cylindrical shell (5) be one by stainless steel material is made, two ends have internal shoulder cylinder; Gland (6) is a revolution that has convex shoulder of being made by stainless steel material, and pressure ring (4) is a shouldered ring-type revolution of being made by stainless steel material, and the top outer cylinder of gland (6) and pressure ring (4) all is processed into annular knurl.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101721642A CN100543430C (en) | 2007-12-13 | 2007-12-13 | The phase-change working substance volume changing measurement mechanism of simulated deep-sea environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101721642A CN100543430C (en) | 2007-12-13 | 2007-12-13 | The phase-change working substance volume changing measurement mechanism of simulated deep-sea environment |
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| CN101183020A true CN101183020A (en) | 2008-05-21 |
| CN100543430C CN100543430C (en) | 2009-09-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927269A (en) * | 2012-10-26 | 2013-02-13 | 哈尔滨工程大学 | Volumetric capacity-variable constant-pressure maintenance device of pressure vessel |
| CN105067021A (en) * | 2015-07-31 | 2015-11-18 | 国家海洋技术中心 | Ocean temperature and pressure environment simulation device and ocean temperature and pressure environment simulation method |
| CN113917962A (en) * | 2021-10-15 | 2022-01-11 | 德州尧鼎光电科技有限公司 | Full-sea deep sea environment simulation cabin |
| CN114705715A (en) * | 2022-06-06 | 2022-07-05 | 天津大学 | Testing device and testing method for phase-change material |
| CN115979696A (en) * | 2023-03-17 | 2023-04-18 | 天津大学 | Operation simulation system of automatic lifting device |
-
2007
- 2007-12-13 CN CNB2007101721642A patent/CN100543430C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927269A (en) * | 2012-10-26 | 2013-02-13 | 哈尔滨工程大学 | Volumetric capacity-variable constant-pressure maintenance device of pressure vessel |
| CN105067021A (en) * | 2015-07-31 | 2015-11-18 | 国家海洋技术中心 | Ocean temperature and pressure environment simulation device and ocean temperature and pressure environment simulation method |
| CN113917962A (en) * | 2021-10-15 | 2022-01-11 | 德州尧鼎光电科技有限公司 | Full-sea deep sea environment simulation cabin |
| CN114705715A (en) * | 2022-06-06 | 2022-07-05 | 天津大学 | Testing device and testing method for phase-change material |
| CN114705715B (en) * | 2022-06-06 | 2022-10-04 | 天津大学 | Testing device and testing method for phase-change material |
| CN115979696A (en) * | 2023-03-17 | 2023-04-18 | 天津大学 | Operation simulation system of automatic lifting device |
| CN115979696B (en) * | 2023-03-17 | 2023-09-26 | 天津大学 | Operation simulation system of automatic lifting device |
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| Publication number | Publication date |
|---|---|
| CN100543430C (en) | 2009-09-23 |
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