CN105697433A - Supercharged pressure compensator and pressure monitoring method thereof - Google Patents
Supercharged pressure compensator and pressure monitoring method thereof Download PDFInfo
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- CN105697433A CN105697433A CN201410683217.7A CN201410683217A CN105697433A CN 105697433 A CN105697433 A CN 105697433A CN 201410683217 A CN201410683217 A CN 201410683217A CN 105697433 A CN105697433 A CN 105697433A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention discloses a supercharged pressure compensator and a pressure monitoring method thereof. The supercharged pressure compensator comprises a shell, a displacement sensor, a controller and a piston. An inner cavity is formed in the shell, and the piston can move up and down in the inner cavity. The displacement sensor is used for detecting the position of the piston relative to the upper end of the inner cavity in real time. The inside pressure variation of the compensator can be detected in real time, so that oil is supplemented to the pressure compensator in time, and the working reliability and the working efficiency of sealing parts are greatly improved.
Description
Technical field
The present invention relates to pressure compensation field, particularly relate to a kind of booster-type pressure compensator and pressure monitoring method thereof。
Background technology
Power unit is in muddy water or when working in the environment of any pressure increase, it is necessary to the environment of sealing。Owing to muddy water peripheral pressure is relatively big and is continually changing, it is therefore desirable to adjustment power unit internal pressure and ambient pressure balance, it is prevented that because ambient pressure environment is excessive, cause that power unit seal failure occurs the situation within extraneous muddy water infiltration to occur。For the comparatively strong power unit that is hit, for better realizing sealing effectiveness, it is desirable to ensure a little higher than ambient pressure of power unit internal pressure。
Current booster-type pressure compensator cannot detect its internal concrete supercharging value in real time, and can only the position of manual observation pressure compensator piston judge whether to need repairing, this be accomplished by leaving the water equipment on carry out repairing。If left the water by equipment excessively frequently, observation can affect efficiency of construction, and if the interval long period observation may result in cannot repairing in time and occur inside power unit seep water situation。Meanwhile, piston rod and the compression spring of existing booster-type pressure compensator are all externally exposed environment, are unfavorable for working in its Korrosionsmedium, add manufacturing cost。
Summary of the invention
The invention provides a kind of booster-type pressure compensator and pressure monitoring method thereof。The present invention can detect the pressure change within compensator in real time, in order in time to pressure compensator repairing, greatly improves reliability and the work efficiency of seal member work。
According to an aspect of the present invention, it is provided that a kind of booster-type pressure compensator, including housing, displacement transducer and piston, wherein enclosure interior forms inner chamber, and piston can move up and down in the lumen, wherein:
Displacement transducer, for detection piston in real time relative to the position of inner chamber upper end。
In one embodiment, also include controller, be used in the position that displacement transducer detects less than the first predetermined value time control stop machine, in order to carry out repairing。
In one embodiment; housing is additionally provided with the oil-supplying port being connected with the first oil circuit; wherein oil-supplying port is open-minded when shutting down repairing, in order to added in housing cavity by the oil in the first oil circuit by oil-supplying port, so that piston moves down under oil pressure effect。
In one embodiment, the booster-type pressure compensator of the present invention also includes rolling diaphragm, its middle shell includes upper shell and lower house, rolling diaphragm is arranged in described inner chamber, the outer ring of rolling diaphragm is fixed between upper shell and lower house, to seal intracavity bottom, it is fixed on piston in the middle of rolling diaphragm。
In one embodiment, also including spring in housing cavity, wherein the upper end of spring is fixing with housing upper end is connected, and the lower end of spring is fixedly connected with the piston。
In one embodiment, in housing cavity, also include the spacing collar for limiting spring minimum stretch length。
In one embodiment, displacement transducer is arranged in housing cavity, and is fixed on housing cavity upper end。
In one embodiment, displacement transducer is electromagnetic type displacement transducer。
In one embodiment, housing is additionally provided with exhaust port, for getting rid of the air in housing cavity。
In one embodiment, exhaust port is positioned at the upper end of housing。
In one embodiment, housing is additionally provided with the oil transportation port being connected with the second oil circuit, for the oil in housing cavity is supplied to power unit by the second oil circuit。
In one embodiment, oil-supplying port and oil transportation port are positioned at the upper end of housing。
According to a further aspect in the invention, also provide for the pressure detection method of a kind of booster-type pressure compensator,
The position of the corresponding inner chamber upper end of piston in detection booster-type pressure compensator inner chamber in real time；
Judge that whether the position detected is less than the first predetermined value；
If the position detected is less than the first predetermined value, then control to shut down, in order to carry out repairing。
In one embodiment, if the position detected is not less than the first predetermined value, then determine whether to specify the average leakage of oil speed V in interval1Whether more than predetermined speed threshold value V0；
If average leakage of oil speed V1More than predetermined speed threshold value V0, then alarm is carried out, in order to carry out maintenance shut-downs。
In one embodiment, formula is utilized
Calculate average leakage of oil speed V1, wherein SiFor the piston position in i-th moment, Si-1It is the piston position in the i-th-1 moment, t0For Si-1With SiBetween interval。
In one embodiment, if average leakage of oil speed V1More than predetermined speed threshold value V0, then the step carrying out alarm includes:
If average leakage of oil speed V1More than predetermined speed threshold value V0, then determine whether that next specifies the average leakage of oil speed V in interval2Whether more than predetermined speed threshold value V0；
If average leakage of oil speed V2More than predetermined speed threshold value V0, then alarm is carried out, in order to carry out maintenance shut-downs。
In one embodiment,
Utilize formula
Calculate average leakage of oil speed V2, wherein Si+1For the piston position in i+1 moment, SiFor the piston position in i-th moment, t1For SiWith Si+1Between interval。
Pressure change can also be detected while the supercharging value that the present invention can detect offer in real time in real time, in order in time to pressure compensator repairing, greatly improve reliability and the work efficiency of seal member work。
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, the accompanying drawing used required in embodiment or description will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the front view of one embodiment of booster-type pressure compensator of the present invention。
Fig. 2 is the sectional view of one embodiment of booster-type pressure compensator of the present invention。
Fig. 3 is an embodiment schematic diagram of the pressure monitoring method of booster-type pressure compensator of the present invention。
Fig. 4 is another embodiment schematic diagram of the pressure monitoring method of booster-type pressure compensator of the present invention。
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Description only actually at least one exemplary embodiment is illustrative below, never as any restriction to the present invention and application or use。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Unless specifically stated otherwise, the parts otherwise set forth in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit the scope of the invention。
Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing is not draw according to actual proportionate relationship。
Shown here with in all examples discussed, any occurrence should be construed as merely exemplary, not as restriction。Therefore, other example of exemplary embodiment can have different values。
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be further discussed in accompanying drawing subsequently。
Fig. 1 is the front view of one embodiment of booster-type pressure compensator of the present invention, Fig. 2 is the sectional view of one embodiment of booster-type pressure compensator of the present invention, as depicted in figs. 1 and 2, including housing 1, displacement transducer 2 and piston 3, its middle shell 1 is internally formed inner chamber, piston 3 can move up and down in the lumen, wherein
Displacement transducer 2, for detection piston 3 in real time relative to the position S of inner chamber upper end。
The booster-type pressure compensator of the present invention can detect the pressure change within compensator in real time, in order in time to pressure compensator repairing, greatly improves reliability and the work efficiency of seal member work。
In one embodiment of the invention, booster-type pressure compensator also includes controller (not shown), for the S that detects at displacement transducer 2 less than the first predetermined value X1Time, control to shut down, in order to carry out repairing。
In one embodiment of the invention; housing 1 is additionally provided with the oil-supplying port 4 being connected with the first oil circuit; wherein oil-supplying port 4 is open-minded when shutting down repairing, in order to added in housing 1 inner chamber by the oil in the first oil circuit by oil-supplying port 4, so that piston 3 moves down under oil pressure effect。
In one embodiment of the invention, booster-type pressure compensator also includes rolling diaphragm 5, wherein, housing 1 includes upper shell 11 and lower house 12, rolling diaphragm 5 is arranged in the inner chamber of housing 1, and the outer ring of rolling diaphragm 5 is fixed between upper shell 11 and lower house 12, in order to seal intracavity bottom, it is fixed on piston 3 in the middle of rolling diaphragm 5, moves up and down with piston 3。
In one embodiment of the invention, also including spring 6 in housing 1 inner chamber, the upper end of spring 6 is fixing with housing 1 upper end to be connected, and the lower end of spring 6 is fixing with piston 3 to be connected。Meeting extension spring 6 when piston 3 moves down under oil pressure effect, displacement transducer 2 obtains the piston 3 position S relative to inner chamber upper end by detecting the amount of tension of spring 6。
Owing to spring 6 of the present invention and piston 3 are all located at inside pressure compensator, can effectively prevent extraneous dielectric corrosion, while reducing cost, add the scope of application of pressure compensator。
Preferably, in housing 1 inner chamber, also include the spacing collar 7 for limiting spring 6 minimum stretch length。
Further, displacement transducer 2 is arranged in housing 1 inner chamber, and is fixed on housing 1 inner chamber upper end, and those skilled in the art, it will be appreciated that displacement transducer 2 can also be arranged on housing 1 lower end, can detect the position of piston 3 equally。
Preferably, displacement transducer 2 is electromagnetic sensor。The magnetic piece mounting seat of displacement transducer 2 can be set in the lumen, be used for magnetic piece is installed。Meeting extension spring 6 when piston 3 moves down under oil pressure effect, displacement transducer 2 obtains the piston 3 position S relative to inner chamber upper end by detecting the amount of tension of spring 6。
In one embodiment of the invention, housing 1 is additionally provided with exhaust port 8, for getting rid of the air in housing 1 inner chamber。
Preferably, exhaust port 8 is positioned at the upper end of housing 1。
Further, housing 1 is additionally provided with the oil transportation port 9 being connected with the second oil circuit, for the oil in housing 1 inner chamber is supplied to power unit by the second oil circuit。
Preferably, oil-supplying port 4 and oil transportation port 9 are positioned at the upper end of housing 1。
Fig. 3 is an embodiment schematic diagram of the pressure monitoring method of booster-type pressure compensator of the present invention。In conjunction with Fig. 1-2, as shown in Figure 3:
Step 301, start。
Step 302, whether the position S of the corresponding inner chamber upper end of piston 3 in detection booster-type pressure compensator inner chamber is less than the first predetermined value X in real time1If, S < X1, enter step 303；If S >=X1, enter step 304。
Step 303, reports to the police, and enters step 305。As S < X1Time, illustrating that in inner chamber, oil mass is relatively low, the oil pressure of generation is relatively low, it is necessary to pressure compensator is carried out repairing, carries out repairing warning。
The pressure monitoring method of the booster-type pressure compensator of the present invention can detect the pressure change within compensator in real time, in order in time to pressure compensator repairing, greatly improves reliability and the work efficiency of seal member work。
Step 304, it is judged that specify the average leakage of oil speed V in interval1Whether more than predetermined speed threshold value V0If, V1>V0, then step 306 is entered；If V1≤V0, return step 302。
Step 305, shuts down repairing, enters step 301, turn back on after repairing。
Preferably, when pressure compensator is carried out repairing, open oil-supplying port 4 and exhaust port 8 simultaneously, until time in the fluid flowed out in exhaust port 8 without air, illustrate that air is emptied completely, close exhaust port 8, continue repairing until predetermined pressure。
Step 306, reports to the police and safeguards, overhauls leakage of oil point, enters step 305。
Preferably, for the leakage of oil speed V in i moment1Formula can be utilizedCalculate average leakage of oil speed V1, wherein SiFor the piston position in i-th moment, Si-1It is the piston position in the i-th-1 moment, t0For Si-1With SiBetween interval。
Fig. 4 is another embodiment schematic diagram of the pressure monitoring method of booster-type pressure compensator of the present invention。In conjunction with Fig. 1-2, as shown in Figure 4:
Step 401, start。
Step 402, whether the position S of the corresponding inner chamber upper end of piston 3 in detection booster-type pressure compensator inner chamber is less than the first predetermined value X in real time1If, S < X1, enter step 403；If S > X1, enter step 404。
Step 403, reports to the police, and enters step 405。As S < X1Time, illustrating that in inner chamber, oil mass is relatively low, the oil pressure of generation is relatively low, it is necessary to pressure compensator is carried out repairing, carries out repairing warning。
The pressure monitoring method of the booster-type pressure compensator of the present invention can detect the pressure change within compensator in real time, in order in time to pressure compensator repairing, greatly improves reliability and the work efficiency of seal member work。
Step 404, it is judged that specify the average leakage of oil speed V in interval1Whether more than predetermined speed threshold value V0If, V1>V0, then step 406 is entered；If V1≤V0, return step 402。
Preferably, for the leakage of oil speed V in i moment1Formula can be utilizedCalculate average leakage of oil speed V1, wherein SiFor the piston position in i-th moment, Si-1It is the piston position in the i-th-1 moment, t0For Si-1With SiBetween interval。
Step 405, shuts down repairing, enters step 401, turn back on after repairing。
Preferably, when pressure compensator is carried out repairing, open oil-supplying port 4 and exhaust port 8 simultaneously, until time in the fluid flowed out in exhaust port 8 without air, illustrate that air is emptied completely, close exhaust port 8, continue repairing until predetermined pressure。
Step 406, it is judged that specify the average leakage of oil speed V in interval2Whether more than predetermined speed threshold value V0If, V2>V0, then step 407 is entered；If V2≤V0, return step 402。
Preferably, for the leakage of oil speed V in i+1 moment2Formula can be utilizedCalculate average leakage of oil speed V2, wherein Si+1For the piston position in i+1 moment, SiFor the piston position in i-th moment, t1For SiWith Si+1Between interval。
Step 406 is in order to avoid causing occurring the V that leakage of oil amount causes more greatly in the short time due to temporary impact1Relatively big, but actually power unit and pressure compensator unspoiled situation cause erroneous judgement。Therefore when V being detected1>V0Time, determine whether V in subsequent time period2Whether more than V0。
Step 407, reports to the police and safeguards, enters step 405 after maintenance。
Below the present invention is specifically applied illustrative。
Under the booster-type pressure compensator running status of the present invention, displacement transducer 2 detects that the piston 3 position S relative to inner chamber upper end is less than the first predetermined value X1Time, controller controls to shut down, in order to carry out repairing。
During work, the oil transportation port 9 being connected with power unit is open-minded, to provide supercharging to power unit。Owing to, in power unit work process it may happen that when leaking, the oil in pressure compensator can reduce because entering power unit, and piston 3 upwards recovers, and now detects the speed V of leakage of oil1Whether more than predetermined speed threshold value V0If, V1≤V0, whether continue detection S less than the first predetermined value X1；If V1>V0, in order to prevent owing to temporary impact causes occurring the V that leakage of oil amount causes more greatly in the short time1The erroneous judgement of bigger generation, determines whether V in subsequent time period2Whether more than V0。If V2>V0, then illustrating that power unit or pressure compensator occur in that leakage of oil, pressure compensator is reported to the police, and overhauls, repairing start again after maintenance；If V2≤V0, then do not report to the police。
The present invention can detect the pressure change within compensator in real time, in order in time to pressure compensator repairing, can also detect the generation of leakage of oil simultaneously, greatly improves reliability and the work efficiency of seal member work。
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be completed by hardware, can also be completed by the hardware that program carrys out instruction relevant, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or CD etc.。
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form。Many modifications and variations are obvious for the ordinary skill in the art。Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose。
Claims (17)
1. a booster-type pressure compensator, it is characterised in that include housing, displacement transducer and piston, wherein enclosure interior forms inner chamber, and piston can move up and down in the lumen, wherein:
Displacement transducer, for detection piston in real time relative to the position of inner chamber upper end。
2. booster-type pressure compensator according to claim 1, it is characterised in that also include controller, is used in the position that displacement transducer detects less than the first predetermined value time control stop machine, in order to carry out repairing。
3. booster-type pressure compensator according to claim 2; it is characterized in that; housing is additionally provided with the oil-supplying port being connected with the first oil circuit; wherein oil-supplying port is open-minded when shutting down repairing; oil in first oil circuit is added in housing cavity will pass through oil-supplying port, so that piston moves down under oil pressure effect。
4. according to the arbitrary described booster-type pressure compensator of claim 1-3, it is characterised in that also include rolling diaphragm, wherein:
Housing includes upper shell and lower house, and rolling diaphragm is arranged in described inner chamber, and the outer ring of rolling diaphragm is fixed between upper shell and lower house, in order to seals intracavity bottom, is fixed on piston in the middle of rolling diaphragm。
5. according to the arbitrary described booster-type pressure compensator of claim 1-3, it is characterised in that also include spring in housing cavity, wherein:
The upper end of spring is fixing with housing upper end to be connected, and the lower end of spring is fixedly connected with the piston。
6. booster-type pressure compensator according to claim 5, it is characterised in that also include the spacing collar for limiting spring minimum stretch length in housing cavity。
7. booster-type pressure compensator according to claim 6, it is characterised in that
Displacement transducer is arranged in housing cavity, and is fixed on housing cavity upper end。
8. booster-type pressure compensator according to claim 7, it is characterised in that
Displacement transducer is electromagnetic type displacement transducer。
9. according to the arbitrary described booster-type pressure compensator of claim 1-3, it is characterised in that
Housing is additionally provided with exhaust port, for getting rid of the air in housing cavity。
10. booster-type pressure compensator according to claim 9, it is characterised in that
Exhaust port is positioned at the upper end of housing。
11. according to the arbitrary described booster-type pressure compensator of claim 1-3, it is characterised in that
Housing is additionally provided with the oil transportation port being connected with the second oil circuit, for the oil in housing cavity is supplied to power unit by the second oil circuit。
12. booster-type pressure compensator according to claim 11, it is characterised in that
Oil-supplying port and oil transportation port are positioned at the upper end of housing。
(position of oil-supplying port and oil transportation port)。
13. the pressure monitoring method of the booster-type pressure compensator as according to any one of claim 1-12, it is characterised in that
The position of the corresponding inner chamber upper end of piston in detection booster-type pressure compensator inner chamber in real time；
Judge that whether the position detected is less than the first predetermined value；
If the position detected is less than the first predetermined value, then control to shut down, in order to carry out repairing。
14. method according to claim 13, it is characterised in that
If the position detected is not less than the first predetermined value, then determine whether to specify the average leakage of oil speed V in interval1Whether more than predetermined speed threshold value V0；
If average leakage of oil speed V1More than predetermined speed threshold value V0, then alarm is carried out, in order to carry out maintenance shut-downs。
15. method according to claim 14, it is characterised in that
Utilize formula
Calculate average leakage of oil speed V1, wherein SiFor the piston position in i-th moment, Si-1It is the piston position in the i-th-1 moment, t0For Si-1With SiBetween interval。
16. method according to claim 14, it is characterised in that
If average leakage of oil speed V1More than predetermined speed threshold value V0, then the step carrying out alarm includes:
If average leakage of oil speed V1More than predetermined speed threshold value V0, then determine whether that next specifies the average leakage of oil speed V in interval2Whether more than predetermined speed threshold value V0；
If average leakage of oil speed V2More than predetermined speed threshold value V0, then alarm is carried out, in order to carry out maintenance shut-downs。
17. method according to claim 16, it is characterised in that
Utilize formula
Calculate average leakage of oil speed V2, wherein Si+1For the piston position in i+1 moment, SiFor the piston position in i-th moment, t1For SiWith Si+1Between interval。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683217.7A CN105697433A (en) | 2014-11-24 | 2014-11-24 | Supercharged pressure compensator and pressure monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683217.7A CN105697433A (en) | 2014-11-24 | 2014-11-24 | Supercharged pressure compensator and pressure monitoring method thereof |
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| CN105697433A true CN105697433A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410683217.7A Pending CN105697433A (en) | 2014-11-24 | 2014-11-24 | Supercharged pressure compensator and pressure monitoring method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108131355A (en) * | 2018-01-12 | 2018-06-08 | 中铁工程机械研究设计院有限公司 | Underwater apparatus pressure release detection and the pressure compensator of the automatic repairing pressurize of energy |
| CN109340220A (en) * | 2018-09-06 | 2019-02-15 | 北京工业大学 | Electrostatic actuator for deep sea |
| CN110056546A (en) * | 2019-05-17 | 2019-07-26 | 中国科学院深海科学与工程研究所 | A kind of Quan Haishen Multi-oil circuit pressure compensator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108131355A (en) * | 2018-01-12 | 2018-06-08 | 中铁工程机械研究设计院有限公司 | Underwater apparatus pressure release detection and the pressure compensator of the automatic repairing pressurize of energy |
| CN108131355B (en) * | 2018-01-12 | 2024-03-08 | 中铁工程机械研究设计院有限公司 | Pressure compensation device for pressure relief detection of underwater appliance and capable of automatically supplementing oil and maintaining pressure |
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| CN110056546A (en) * | 2019-05-17 | 2019-07-26 | 中国科学院深海科学与工程研究所 | A kind of Quan Haishen Multi-oil circuit pressure compensator |
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Application publication date: 20160622 |
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