CN212567960U - Pressure simulation test device for fault gas production of oil-less equipment - Google Patents
Pressure simulation test device for fault gas production of oil-less equipment Download PDFInfo
- Publication number
- CN212567960U CN212567960U CN202020838614.8U CN202020838614U CN212567960U CN 212567960 U CN212567960 U CN 212567960U CN 202020838614 U CN202020838614 U CN 202020838614U CN 212567960 U CN212567960 U CN 212567960U
- Authority
- CN
- China
- Prior art keywords
- oil
- pressure
- sealing body
- gas
- fault
- 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.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- 230000008859 change Effects 0.000 claims abstract description 36
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 99
- 238000001514 detection method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model provides a gas pressure analogue test device is produced in few oily equipment trouble, this analogue test device includes: a seal body and a conservator; the sealing body is used for simulating oil-less equipment, and the oil conservator is used for storing and supplementing oil to the sealing body; the sealing body is provided with a plurality of gas injection holes for connecting gas injection equipment to inject fault simulation gas into the sealing body; and the pressure sensor is also arranged in the sealing body and used for detecting the pressure in the sealing body so as to detect the pressure change in the sealing body under different gas injection rates under different fault simulation gases. The utility model discloses produce gas to few oily equipment trouble and carry out pressure simulation, the real-time supervision equipment internal pressure condition, through carrying out the gaseous simulation of different trouble characteristics in order to acquire the pressure value that the simulation experiment detected, the threshold value of trouble early warning is confirmed to the change relation between analysis pressure and the time, and then carries out fault alarm's reference value as few oily equipment with this.
Description
Technical Field
The utility model relates to a power equipment technical field particularly, relates to a gas pressure simulation test device is produced in few oily equipment trouble.
Background
The pressure simulation detection of the gas production caused by the fault of the oil-less equipment mainly aims at equipment with less oil, such as a sleeve, a mutual inductor and the like, the pressure change is obvious after the equipment has faults or has defects to produce gas, and whether the equipment has faults or not can be judged through a pressure test; when the pressure threshold is too large, the occurrence time of the fault cannot be accurately detected on time, the late detection time may cause explosion or fire of the oil-poor equipment to cause insecurity, and when the pressure threshold is too small, misoperation may occur, that is, the oil-poor equipment does not have the fault, and the detection result is diagnosed as the fault to cause the misoperation.
Disclosure of Invention
In view of this, the utility model provides a few oily equipment trouble gas production pressure analogue test device aims at solving current few oily equipment pressure threshold value and sets up inaccurate fault opportunity detection inaccurate problem that causes.
The utility model provides a gas pressure analogue test device is produced in few oily equipment trouble, this analogue test device includes: a seal body and a conservator; the oil conservator is arranged above the sealing body, is communicated with the sealing body, is used for simulating less oil equipment, and is used for storing and supplementing oil to the sealing body; the sealing body is provided with a plurality of gas injection holes for connecting gas injection equipment to inject fault simulation gas into the sealing body; and the pressure sensor is also arranged in the sealing body and used for detecting the pressure in the sealing body so as to detect the pressure change in the sealing body under different gas injection rates under different fault simulation gases.
Further, according to the less-oil-equipment fault gas production pressure simulation test device, the pressure sensor is connected with the upper computer and used for receiving the pressure detected by the pressure sensor, so that a pressure change curve of the pressure in the sealing body is drawn according to the pressure detected by the pressure sensor and the gas injection time point, and the pressure change curve is stored and displayed.
Further, the upper computer is further connected with a printer and used for receiving, printing and displaying the pressure change curve stored by the upper computer.
Furthermore, in the less-oil equipment fault gas production pressure simulation test device, an analog-to-digital conversion device is arranged between the pressure sensor and the upper computer; the analog-to-digital conversion device is electrically connected with the pressure sensor and is used for receiving a pressure signal acquired by the pressure sensor, converting the pressure signal into pressure data and transmitting the pressure data to the upper computer; the upper computer is electrically connected with the analog-to-digital conversion device and used for drawing a pressure curve according to the pressure data converted by the analog-to-digital conversion device and the gas injection time point.
Further, according to the less-oil-equipment fault gas production pressure simulation test device, the gas flowmeter is arranged at the gas injection hole and used for detecting the gas injection rate and the gas injection quantity in the sealing body.
Further, in the gas pressure simulation test device for the oil-less equipment fault gas production, the upper computer is electrically connected with the gas flowmeter and used for receiving the gas injection rate and the gas injection quantity detected by the gas flowmeter, and drawing, storing and displaying the change curve of the pressure in the sealing body under different gas rates and gas injection quantities in the simulation test process.
Further, according to the less-oil-equipment fault gas production pressure simulation test device, the oil conservator is communicated with the sealing body through the connecting pipe.
Further, according to the gas pressure simulation test device for the oil-less equipment fault, the connecting pipe is a length adjusting pipe and is used for adjusting the height position of the oil conservator.
Further, according to the gas pressure simulation test device for the oil-less equipment fault, the connecting pipe comprises at least two detachably connected connecting pipe sections so as to adjust the height position of the oil conservator.
Furthermore, according to the gas pressure simulation test device for the oil-less equipment fault, the sealing body is provided with the oil filling hole and the oil discharging hole, the oil filling hole and the oil discharging hole are communicated through the vacuum oil filter, and the oil filling hole is used for filtering oil discharged from the oil discharging hole and circularly injecting the oil into the sealing body.
The utility model provides a gas pressure analogue test device is produced in few oil equipment trouble, produce the gas and carry out pressure simulation to few oil equipment trouble, the real-time supervision equipment internal pressure condition, the solubility of different fault characteristic gases in oil is different, it is also different to the contribution value of pressure, the pressure value that detects in order to acquire the simulation experiment through the simulation that carries out different fault characteristic gases, the change relation between analysis pressure and the time, be the change relation between pressure and the fault simulation gas volume, confirm the threshold value of trouble early warning with this, and then regard as this as few oil equipment to carry out the reference value of malfunction alerting.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a gas production pressure simulation test device for a fault of a less oil device according to an embodiment of the present invention;
fig. 2 is a block diagram of a gas pressure simulation test device for a fault of oil-less equipment according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to fig. 2, a preferred structure of a gas pressure simulation test device for oil-less equipment fault production provided by an embodiment of the present invention is shown. As shown, the apparatus comprises: a sealing body 1 and an oil conservator 2; wherein,
the oil conservator 2 is arranged above the sealing body 1, the oil conservator 2 is communicated with the sealing body 1, the sealing body 1 is used for simulating less oil equipment, and the oil conservator 2 is used for storing and supplementing oil to the sealing body 1. Specifically, the sealing body 1 is used for simulating oil-less equipment, and the material of the sealing body can be the same as that of the oil-less equipment, so that the simulation accuracy is improved; in this embodiment, the oil-less equipment is taken as an example for explanation, and the sealing body 1 is made of the same material as the transformer oil tank, so as to reduce the working condition simulation when the transformer fault occurs to the maximum extent. The oil conservator 2 is used as an oil storage device of the sealing body 1, when the volume of oil in the sealing body 1 expands or shrinks along with the change of the oil temperature, the oil conservator 2 has the functions of oil storage and oil supplement, and can ensure that the sealing body 1 is filled with oil; meanwhile, the oil conservator 2 is arranged, so that the contact surface of the sealing body 1 and the air is reduced, and moisture, dust and oxidized oil dirt absorbed from the air are deposited in a depositor at the bottom of the oil conservator 2, and the degradation speed of the oil of the sealing body 1 is greatly reduced. The vacuum-pumping pipe 21 is arranged on the conservator 2 and is used for connecting a vacuum pump and vacuumizing the conservator and the sealing body 1; preferably, the evacuation tube 21 is provided with a first valve 22 for controlling the on/off of the evacuation tube 21. Due to the fact that the oil pressure in the sealing body 1 is different, the solubility of fault simulation gas in oil is influenced, and the pressure change of the sealing body 1 during gas injection is influenced; in order to improve the simulation authenticity of reducing the fault of the oil-less equipment, preferably, the height position of the oil conservator 2 is adjustably arranged above the sealing body 1, so that the oil levels in the oil conservator 2 and the sealing body 1 are adjusted through adjusting the height position of the oil conservator 2, and then the oil pressure in the sealing body 1 is adjusted, and therefore the change values of the pressure in the sealing body 1 when the solubility of fault simulation gas in oil is different under the oil pressures of different oil levels are simulated.
The sealing body 1 is provided with a plurality of gas injection holes 11 which are used for connecting gas injection equipment so as to inject fault simulation gas into the sealing body 1; the sealing body 1 is internally provided with a pressure sensor 12 for detecting the pressure in the sealing body 1, simulating the pressure change condition of the fault gas production of the oil-less equipment under the condition of different solubility, determining the safe pressure threshold or the safe pressure change rate threshold of the oil-less equipment according to the pressure change value, and further determining the fault time according to the pressure change value, namely determining that the oil-less equipment has faults when the pressure of the oil-less equipment reaches the safe pressure threshold or the pressure change rate reaches the safe pressure change rate threshold, and removing the faults of the oil-less equipment, so that the oil-less equipment is prevented from being exploded or ignited; meanwhile, the phenomenon that the oil-lack equipment is subjected to misoperation when the oil-lack equipment is not in fault due to the fact that the safety pressure threshold value is set to be too low or the phenomenon that the oil-lack equipment is subjected to over-pressure due to too high pressure to cause explosion or fire can be avoided. Preferably, the gas flowmeter 16 is disposed at the gas injection hole 11 for detecting the gas injection rate and the gas injection amount in the sealing body 1, so as to plot the pressure change in the sealing body 1 under different gas injection rates, and further simulate the pressure change of the oil-poor equipment under different gas production rates, thereby determining the safety pressure threshold or the safety pressure change rate threshold of the oil-poor equipment under different gas production rates. In this embodiment, the fault simulation gas injected through the gas injection hole 11 may be one gas or a mixture of gases, and is not limited in this embodiment; of course, in order to facilitate control of the gas injection rate and the gas injection amount of different gases in the mixed gas, it is preferable that the gas injection hole 11 be plural so as to inject one of the trouble-simulating gases, respectively, and the gas injection rate and the gas injection amount of each of the trouble-simulating gases injected are detected by the gas flow meter 16 provided at each gas injection hole 11.
In this embodiment, in order to facilitate detection of the change of the pressure in the sealing body 1, preferably, the pressure sensor 12 is connected to the upper computer 3, and is configured to receive the pressure detected by the pressure sensor 12, so as to draw, store and display a pressure change curve of the pressure in the sealing body 1 according to the pressure detected by the pressure sensor 12 and the gas injection time point, so as to visually observe a test simulation result of the pressure in the sealing body 1; because the gas injection rate is fixed, the pressure change curve of the pressure in the sealing body 1 is drawn according to the gas injection time point, namely the pressure change curve between the pressure and the gas injection volume. Further preferably, the display memory 3 is also electrically connected to the gas flowmeter 16, and is used for receiving the gas injection rate and the gas injection amount detected by the gas flowmeter 16, drawing, storing and displaying the change curve of the pressure in the sealing body 1 at different gas rates and gas injection amounts in the simulation test process. The upper computer 3 is also connected with a printer 6 for receiving, printing and displaying a pressure change curve stored by the upper computer 3 so as to visually observe the test result of the piece to be tested. In this embodiment, the upper computer 3 may further be connected to a data processing module, which is configured to receive the pressure variation curve and determine a safe pressure threshold or a safe pressure variation rate threshold of the oil-less equipment at different gas production rates, that is, determine a threshold of the fault pre-warning. The printer 6 is also electrically connected with the data processing module and is used for printing a corresponding safe pressure threshold value or a safe pressure change rate threshold value under the rated gas speed.
An analog-digital conversion device 7 is arranged between the pressure sensor 12 and the upper computer 3, the analog-digital conversion device 7 is electrically connected with the pressure sensor 12 and is used for receiving a pressure signal acquired by the pressure sensor 12, converting the pressure signal into pressure data and transmitting the pressure data to the upper computer 3; the upper computer 3 is electrically connected with the analog-to-digital conversion device 7 and is used for drawing a pressure curve according to pressure data converted by the analog-to-digital conversion device 7 and gas injection time points. In this embodiment, the analog-to-digital conversion device 7 may be a pressure transmitter, which is an electronic device that converts a field pressure signal into a digital signal, and cooperates with the upper computer 3 to complete multipoint pressure acquisition and processing. During specific implementation, the analog-to-digital conversion device 7 acquires a temperature signal of the corresponding pressure sensor 12, converts the temperature signal into temperature data, and the upper computer 3 can draw, store and display a change curve of the received temperature data according to the temperature data received in real time.
In the embodiment, the oil conservator 2 is communicated with the sealing body 1 through a connecting pipe 4; preferably, the connection pipe 4 may be a length adjustment pipe to adjust a length of the length adjustment pipe to adjust a height position of the conservator 2; of course, the connecting pipe 4 may also be at least two connecting pipe sections detachably connected, so that the height position of the oil conservator 2 can be adjusted by adjusting the number of the connecting pipe sections between the oil conservator 2 and the sealing body 1. The connecting pipe 4 is provided with a second valve 41 for controlling the connection and disconnection between the conservator 2 and the sealing body 1.
In the above embodiment, the sealing body 1 is provided with the vent hole 15 for exhausting the excess gas in the sealing body 1 to avoid the interference to the test. The sealing body 1 is also provided with an oil hole for filling oil and discharging oil. Preferably, the sealing body 1 is further provided with an oil filling hole 13 and an oil discharging hole 14 for respectively filling oil and discharging oil; further preferably, the oil filling hole 13 and the oil discharging hole 14 are communicated through the vacuum oil filter 5, so as to filter the oil discharged from the oil discharging hole 14 and inject the oil into the sealing body 1 from the oil filling hole 13 in a circulating manner; that is to say, after testing a fault simulation gas or a plurality of mixed fault simulation gases, the oil in the sealing body 1 is filtered and processed for a plurality of times through the vacuum oil filter 5 to filter the gas in the oil, so that the oil reaches the normal working state before the test, the influence of the gas dissolved in the previous simulation test on the solubility of the fault simulation gas injected in the next simulation test is avoided, and the accuracy of the simulation test at each time is further ensured. Wherein, the exhaust hole 15, the oil filling hole 13 and the oil discharging hole 14 can be provided with valves to control the on-off of the hole positions.
In summary, the pressure simulation test apparatus for gas production from a low-oil-consumption equipment fault provided in this embodiment performs pressure simulation on the gas production from the low-oil-consumption equipment fault, monitors the internal pressure condition of the equipment in real time, and performs simulation on different fault characteristic gases to obtain pressure values detected by the simulation experiment, and analyzes the change relationship between pressure and time, that is, the change relationship between pressure and the volume of the fault simulation gas, so as to determine the threshold value of fault early warning, and further uses the threshold value as the reference value for fault warning of the low-oil-consumption equipment.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a few oily equipment trouble gas production pressure analogue test device which characterized in that includes: the sealing structure comprises a sealing body (1) and an oil conservator (2); wherein,
the oil conservator (2) is arranged above the sealing body (1), the oil conservator (2) is communicated with the sealing body (1), the sealing body (1) is used for simulating oil-less equipment, and the oil conservator (2) is used for storing and supplementing oil to the sealing body (1);
the sealing body (1) is provided with a plurality of gas injection holes (11) which are used for connecting gas injection equipment so as to inject fault simulation gas into the sealing body (1);
still be equipped with pressure sensor (12) in seal (1) for detect the pressure in seal (1) to detect under the different gas injection rate under the different trouble simulated gas pressure variation in seal (1).
2. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 1,
the pressure sensor (12) is connected with an upper computer (3) and used for receiving the pressure detected by the pressure sensor (12) so as to draw a pressure change curve of the pressure in the sealing body (1) according to the pressure detected by the pressure sensor (12) and the gas injection time point, and store and display the pressure change curve.
3. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 2,
the upper computer (3) is further connected with a printer (6) for receiving, printing and displaying the pressure change curve stored in the upper computer (3).
4. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 3,
an analog-digital conversion device (7) is arranged between the pressure sensor (12) and the upper computer (3);
the analog-digital conversion device (7) is electrically connected with the pressure sensor (12) and is used for receiving a pressure signal acquired by the pressure sensor (12), converting the pressure signal into pressure data and transmitting the pressure data to the upper computer (3);
the upper computer (3) is electrically connected with the analog-to-digital conversion device (7) and is used for drawing a pressure curve according to pressure data converted by the analog-to-digital conversion device (7) and gas injection time points.
5. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 2,
and a gas flowmeter (16) is arranged at the gas injection hole (11) and used for detecting the gas injection rate and the gas injection quantity in the sealing body (1).
6. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 5,
the upper computer (3) is also electrically connected with the gas flowmeter (16) and used for receiving the gas injection rate and the gas injection quantity detected by the gas flowmeter (16), and drawing, storing and displaying the change curve of the pressure in the sealing body (1) under different gas rates and gas injection quantities in the simulation test process.
7. The gas production pressure simulation test device under the fault condition of the oil-less equipment according to any one of claims 1 to 6, wherein the oil conservator (2) is communicated with the sealing body (1) through a connecting pipe (4).
8. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 7,
the connecting pipe (4) is a length adjusting pipe and is used for adjusting the height position of the oil conservator (2).
9. The gas production pressure simulation test device under the fault of the oil-less equipment according to claim 7,
the connecting pipe (4) comprises at least two connecting pipe sections which are detachably connected, so that the height position of the oil conservator (2) can be adjusted.
10. The gas production pressure simulation test device under the fault of the oil-less equipment according to any one of claims 1 to 6,
the oil filter is characterized in that an oil filling hole (13) and an oil discharging hole (14) are formed in the sealing body (1), the sealing body and the oil discharging hole are communicated through a vacuum oil filter (5) and used for filtering oil discharged from the oil discharging hole (14) and circularly injecting the oil into the sealing body (1) through the oil filling hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838614.8U CN212567960U (en) | 2020-05-19 | 2020-05-19 | Pressure simulation test device for fault gas production of oil-less equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838614.8U CN212567960U (en) | 2020-05-19 | 2020-05-19 | Pressure simulation test device for fault gas production of oil-less equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212567960U true CN212567960U (en) | 2021-02-19 |
Family
ID=74623208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020838614.8U Active CN212567960U (en) | 2020-05-19 | 2020-05-19 | Pressure simulation test device for fault gas production of oil-less equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212567960U (en) |
-
2020
- 2020-05-19 CN CN202020838614.8U patent/CN212567960U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111638075A (en) | Pressure simulation test device for fault gas production of oil-less equipment | |
| CN102721516B (en) | Method for testing internal volume of container by gas tightness detector by aid of gas-release process | |
| CN203203767U (en) | Leakage test system | |
| CN107462306B (en) | Automatic verification method for automatic verification device of fuel dispenser | |
| CN113658784B (en) | Intelligent oil level abnormality monitoring device and monitoring method for transformer | |
| CN104390798B (en) | A kind of explosion testing device and method for detecting antiknock device explosion insulation performance | |
| EP2884252A2 (en) | Manifold assembly for a portable leak tester | |
| CN208239037U (en) | A kind of valve seal device for detecting performance | |
| CN201697765U (en) | Overall helium leak detection device of remote transmission unit of pressure transmitter | |
| CN212567960U (en) | Pressure simulation test device for fault gas production of oil-less equipment | |
| CN201654012U (en) | Sulfur hexafluoride decomposition product analyzer | |
| CN111157180B (en) | System and method for measuring ground leakage of airship | |
| CN112879388A (en) | Abnormal leakage detection method for hydraulic system | |
| CN203011652U (en) | Automobile water pump assembly sealing test system | |
| CN203148637U (en) | Device detecting leakage, blockage and damaged filtering membrane of transfusion system | |
| CN104502039A (en) | Gas tightness detecting method for fuel gas meter | |
| CN108332817A (en) | Testing device and testing method for quantifying gas production volume in battery | |
| CN214201468U (en) | On-line oil-gas ratio measuring device | |
| CN107656014A (en) | A kind of monitoring system and method for crude oil carrier oxygen content | |
| CN110057973B (en) | Laboratory gas safety early warning system and method | |
| CN208206227U (en) | Fuel tank fuel quantity detection device based on pressure balance type | |
| CN206772928U (en) | Gas analyzer test-based examination device | |
| CN208780578U (en) | Carbon dioxide removal amount measuring device | |
| CN206516044U (en) | A kind of bus-type flammable gas-detecting alarm device | |
| CN111579169A (en) | Carbon tank ventilation electromagnetic valve leakage detection system and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |