CN211462384U - Intelligent oil purification device - Google Patents
Intelligent oil purification device Download PDFInfo
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- CN211462384U CN211462384U CN201921539422.0U CN201921539422U CN211462384U CN 211462384 U CN211462384 U CN 211462384U CN 201921539422 U CN201921539422 U CN 201921539422U CN 211462384 U CN211462384 U CN 211462384U
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Abstract
The utility model relates to the field of purification devices, and discloses an intelligent oil purification device, which comprises an oil filter, wherein the oil filter comprises an oil inlet filter, a first oil pump variable frequency motor, a heater and a vacuum separation tank which are connected in sequence through a main pipeline; the inlet of the oil inlet filter is connected with the exhaust port of a first electromagnetic valve, and the air inlet of the first electromagnetic valve is connected with a first manual valve group; the top of the vacuum separation tank is provided with an air outlet which is connected with a two-stage vacuum pumping system for pumping air through a vacuum pipeline; an oil outlet is formed in the bottom of the vacuum separation tank, the oil outlet is sequentially connected with a second oil pump variable frequency motor and a fine filter system through oil way pipelines, and a one-way valve facing the fine filter system in the direction is arranged between the fine filter system and the second oil pump variable frequency motor. By adding sensing instruments such as flow, temperature, pressure, vacuum degree and the like, sensing data are cross-compared, and integral sensing and data recording of the equipment state are achieved.
Description
Technical Field
The utility model relates to a purifier field especially relates to an intelligent oily purifier.
Background
At present, hot oil circulation requirements of voltage transformers of 500KV and above are required to continuously run for more than 2 days, more than 7 operating technicians are required to monitor the oil purification device when the transformer is switched off in three shifts on site, and equipment data are recorded. When a plurality of projects are simultaneously carried out, a large number of operation technicians are dispatched to each field for operation. Companies need to cultivate a large amount of operating technicians to send to operating equipment all over the world, and the investment cost is huge.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model provides an intelligent oil purification device solves above-mentioned problem.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an intelligent oil purification device comprises an oil filter, wherein the oil filter comprises an oil inlet filter, a first oil pump variable frequency motor, a heater and a vacuum separation tank which are sequentially connected through a main pipeline; the inlet of the oil inlet filter is connected with the exhaust port of a first electromagnetic valve, and the air inlet of the first electromagnetic valve is connected with a first manual valve group; the top of the vacuum separation tank is provided with an air outlet which is connected with a two-stage vacuum pumping system for pumping air through a vacuum pipeline; an oil outlet is formed in the bottom of the vacuum separation tank, the oil outlet is sequentially connected with a second oil pump variable frequency motor and a fine filter system through oil way pipelines, and a one-way valve facing the fine filter system in the direction is arranged between the fine filter system and the second oil pump variable frequency motor.
In the technical scheme, the transformer oil enters the oil inlet filter from the working port 5c of the first electromagnetic valve, is sent into the first oil pump variable frequency motor through the oil inlet filter, and can filter large particle impurities through the oil inlet filter, particularly particle impurities with the diameter larger than 100 microns, so that the first oil pump variable frequency motor is prevented from being locked; the first oil pump variable frequency motor conveys the transformer oil to the heater for heating, the heated transformer oil enters the vacuum separation tank, and under the action of vacuum, the boiling point of water is reduced to be gaseous, and the gaseous transformer oil is pumped out of the gas outlet together with gas in the transformer oil and discharged by the two-stage vacuum pumping system; the transformer oil flows into the bottom of the vacuum separation tank through the action of gravity to be deposited, is input into the second oil pump variable frequency motor through the oil outlet, is conveyed into the fine filter system through the second oil pump variable frequency motor to be filtered and discharged after removing particle impurities.
Preferably, the double-stage vacuum pumping system comprises a first steam-water separator connected with the gas outlet, an outlet of the first steam-water separator is connected with a second steam-water separator through a vacuum pipeline, and an outlet of the second steam-water separator is connected with the vacuum pump.
Therefore, steam-water separation is continuously carried out twice, and the separation of steam and other gases can be ensured.
As optimization, the fine filter system comprises a first fine filter and a second fine filter which are connected with the second oil pump variable frequency motor in series through oil pipelines; a first differential pressure transmitter and a second differential pressure transmitter are respectively arranged at two ends of the first fine filter and the second fine filter; the oil way pipeline between the first fine filter and the one-way valve is provided with a first pressure transmitter, and the oil way pipeline between the first fine filter and the second fine filter is provided with a second pressure transmitter.
Like this, through first fine filter and second fine filter, can filter transformer oil effectively, through first pressure difference changer and second pressure difference changer, can calculate the filter core jam condition and the prediction life of first fine filter and second fine filter, the pressure differential of first pressure difference changer or second pressure difference changer is big more, it is more blockked up to show the filter core of first fine filter or second fine filter, can inform the customer after first pressure difference changer or second pressure difference changer reach the threshold value, prepare the filter core in advance and change, can prevent that the filter core from blocking suddenly in the use, the warning is shut down and not have the accessory to change, the check valve can prevent transformer oil backward flow. How the pressure difference and the blockage are corresponded specifically is corresponded according to different types of filters, and is not described herein.
Preferably, a first flow meter and a first temperature sensor are arranged on a main pipeline between the first oil pump variable frequency motor and the heater, and a second temperature sensor is arranged on a main pipeline between the heater and the vacuum separation tank.
Therefore, the flow of the transformer oil of the main pipeline can be obtained through the first flowmeter, and the size of the variable frequency motor of the first oil pump can be conveniently adjusted; the temperature of the transformer oil entering the heater can be detected by the first temperature sensor so as to control the heating temperature of the heater.
As optimization, a first photoelectric switch and a liquid level sensor are arranged on the side wall of the vacuum separation tank, and the horizontal height of the first photoelectric switch is higher than that of the liquid level sensor; and a first electronic vacuum gauge is arranged at the top of the vacuum separation tank.
Therefore, whether the oil level of the foam in the vacuum separation tank is ultrahigh or not can be detected through the first photoelectric switch, and the foam is eliminated by reducing the frequency of oil inlet and outlet of the variable frequency motor of the first oil pump and reducing the vacuum degree through overhigh oil level; the vacuum degree in the vacuum separation tank can be measured in real time through the first electronic vacuum gauge, and whether the vacuum separation tank leaks air or not and whether the working vacuum of the vacuum separation tank is normal or not can be judged through detecting the vacuum operation data of the vacuum separation tank; can perceive the oil level in the vacuum separation jar through level sensor, the oil level height can reduce first oil pump inverter motor's frequency, and the oil level is low, increases first oil pump inverter motor's frequency, reaches the stable liquid level purpose, and level sensor is provided with height liquid level simultaneously, and the liquid level is too high low all automatic alarm suggestion to stop first oil pump inverter motor.
As optimization, be equipped with second photoelectric switch on the first steam-water separator with be equipped with first manual valve and second electron vacuum gauge on the vacuum tube way of second steam-water separator in proper order, second steam-water separator with be equipped with condenser and electromagnetism vacuum area inflation valve between the vacuum pump in proper order, the circulation direction of electromagnetism vacuum area inflation valve is towards the vacuum pump, be equipped with third photoelectric switch and second manual valves on the condenser.
Therefore, when the oil filter is abnormal or is shut down in power failure, the controller controls the first electromagnetic valve and the electromagnetic vacuum belt charging valve to be closed, and automatically closes the oil path and the gas path, so that the interior of the oil filter is completely isolated, and accidents are prevented; the second photoelectric switch can detect whether the liquid level of the water in the first steam-water separator is ultrahigh, and when the liquid level of the water in the first steam-water separator is overhigh, the first steam-water separator can be replaced in time; the third photoelectric switch can detect whether the liquid level of the water in the condenser is ultrahigh, and the water can be discharged through the second manual valve bank in time when the liquid level of the water in the condenser is overhigh.
Preferably, the outlet of the second fine filter is sequentially connected with a second flowmeter and a second manual valve through oil pipelines, the outlet of the second flowmeter is further connected with the air inlet of a second electromagnetic valve through an oil pipeline, and the air outlet of the second electromagnetic valve is connected with the air inlet of the first electromagnetic valve through the first manual valve group.
Therefore, the oil flow can be calculated through the frequency of the second oil pump variable frequency motor and the value of the pressure transmitter, and the oil filter can be judged whether to have the oil leakage phenomenon or not by comparing the number of the second flowmeter, and the first manual valve group can prevent the transformer oil from flowing into the first oil pump variable frequency motor through the second electromagnetic valve and the first electromagnetic valve.
As an optimization, the first manual valve group comprises 4 third manual valves connected in parallel two by two; the second manual valve group comprises 3 fourth manual valves, wherein the parallel link of the two fourth manual valves and the other fourth manual valve are connected on the condenser in series.
In this way, the blocking of the first manual valve group and the flow through of the second manual valve group can be ensured.
As optimization, the device also comprises a current sensor and a voltage sensor for monitoring the current value and the voltage value of the oil filter and a camera for monitoring the working state of the oil filter, wherein the oil filter, the current sensor and the voltage sensor are electrically connected with a controller; the camera is electrically connected with the video monitor, the controller and the video monitor are connected with the server through the data transmission gateway, and the server is connected with the client.
Therefore, the current and voltage conditions of the oil filter are detected through the high-precision current sensor and the high-precision voltage sensor, the operation data of the oil filter, the current sensor and the voltage sensor are transmitted to the controller, whether the oil filter is normally started and operated or not can be known through calculation, and the video data of the camera is transmitted to the video monitor; the data transmission gateway is adopted, all data of the oil filter are encrypted and uploaded to the server through the data transmission gateway, and the client can log in, check and control the running state of the equipment on the network; through video monitor, can look over the oil filter behavior in a long-range way, and need not to send the people on site to watch on, let the user can official working under comfortable environment.
As optimization, the client comprises a mobile phone, a computer and a tablet.
Therefore, the user selectivity is high, and the oil filter alarm information can directly prompt and warn the user through the mobile phone short message. The server is connected with the mobile phone and the flat plate through a wireless network and is connected with the computer through optical fibers.
The utility model has the advantages that:
intelligent oil purification device, through increasing sensing instruments such as flow, temperature, pressure, vacuum, electric current, voltage, the cross contrast of sensing data realizes whole perception of equipment status and data record.
The automatic control, remote control and unattended operation of the equipment are realized through wireless data transmission and wireless video monitoring.
All intelligent oil purification devices can be operated and monitored by a small number of personnel in the headquarters, and only one or two persons are needed to be connected with a power supply, a pipeline, the emergency situation treatment and the like on the spot, so that the use cost can be greatly reduced.
Drawings
Fig. 1 is a schematic diagram of a specific structure of an intelligent oil purification device according to the present invention;
fig. 2 is a schematic structural diagram of an oil filter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-2, an intelligent oil purification device comprises an oil filter, wherein the oil filter comprises an oil inlet filter 1, a first oil pump variable frequency motor 2, a heater 3 and a vacuum separation tank 4 which are sequentially connected through a main pipeline; the inlet of the oil inlet filter 1 is connected with the exhaust port 5b of the first electromagnetic valve 5, and the air inlet 5a of the first electromagnetic valve 5 is connected with the first manual valve group; the top of the vacuum separation tank 4 is provided with an air outlet 6, and the air outlet 6 is connected with a two-stage vacuum pumping system for pumping air through a vacuum pipeline; an oil outlet 7 is formed in the bottom of the vacuum separation tank 4, the oil outlet 7 is sequentially connected with a second oil pump variable frequency motor 8 and a fine filter system through oil way pipelines, and a one-way valve 9 facing the fine filter system in the direction is arranged between the fine filter system and the second oil pump variable frequency motor 8.
Thus, the transformer oil enters the oil inlet filter from the working port 5c of the first electromagnetic valve, and is sent into the first oil pump variable frequency motor through the oil inlet filter, and large particle impurities can be filtered through the oil inlet filter, particularly the particle impurities with the diameter larger than 100 microns can be filtered, so that the first oil pump variable frequency motor is prevented from being locked; the first oil pump variable frequency motor conveys the transformer oil to the heater for heating, the heated transformer oil enters the vacuum separation tank, and under the action of vacuum, the boiling point of water is reduced to be gaseous, and the gaseous transformer oil is pumped out of the gas outlet together with gas in the transformer oil and discharged by the two-stage vacuum pumping system; the transformer oil flows into the bottom of the vacuum separation tank through the action of gravity to be deposited, is input into the second oil pump variable frequency motor through the oil outlet, is conveyed into the fine filter system through the second oil pump variable frequency motor to be filtered and discharged after removing particle impurities.
In this embodiment, the two-stage vacuum pumping system includes a first steam-water separator 10 connected to the air outlet 6, an outlet of the first steam-water separator 10 is connected to a second steam-water separator 11 through a vacuum pipeline, and an outlet of the second steam-water separator 11 is connected to a vacuum pump 12.
Therefore, steam-water separation is continuously carried out twice, and the separation of steam and other gases can be ensured.
In the embodiment, the fine filter system comprises a first fine filter and a second fine filter 13 and 14 which are connected in series with the second oil pump variable frequency motor 8 through oil pipelines; a first differential pressure transmitter 15 and a second differential pressure transmitter 16 are respectively arranged at two ends of the first fine filter 13 and the second fine filter 14; a first pressure transmitter 17 is provided in an oil line between the first fine filter 13 and the check valve 9, and a second pressure transmitter 18 is provided in an oil line between the first fine filter 13 and the second fine filter 14.
Like this, through first fine filter and second fine filter, can filter transformer oil effectively, through first pressure difference changer and second pressure difference changer, can calculate the filter core jam condition and the prediction life of first fine filter and second fine filter, the pressure differential of first pressure difference changer or second pressure difference changer is big more, it is more blockked up to show the filter core of first fine filter or second fine filter, can inform the customer after first pressure difference changer or second pressure difference changer reach the threshold value, prepare the filter core in advance and change, can prevent that the filter core from blocking suddenly in the use, the warning is shut down and not have the accessory to change, the check valve can prevent transformer oil backward flow. How the pressure difference and the blockage are corresponded specifically is corresponded according to different types of filters, and is not described herein.
In the embodiment, a first flow meter 19 and a first temperature sensor 20 are arranged on a main pipeline between the first oil pump variable frequency motor 2 and the heater 3, and a second temperature sensor 21 is arranged on a main pipeline between the heater 3 and the vacuum separation tank 4.
Therefore, the flow of the transformer oil of the main pipeline can be obtained through the first flowmeter, and the size of the variable frequency motor of the first oil pump can be conveniently adjusted; the temperature of the transformer oil entering the heater can be detected by the first temperature sensor so as to control the heating temperature of the heater.
In this embodiment, a first photoelectric switch 22 and a liquid level sensor 23 are disposed on a side wall of the vacuum separation tank 4, and a horizontal height of the first photoelectric switch 22 is higher than a horizontal height of the liquid level sensor 23; the top of the vacuum separation tank is provided with a first electronic vacuum gauge 24.
Therefore, whether the oil level of the foam in the vacuum separation tank is ultrahigh or not can be detected through the first photoelectric switch, and the foam is eliminated by reducing the frequency of oil inlet and outlet of the variable frequency motor of the first oil pump and reducing the vacuum degree through overhigh oil level; the vacuum degree in the vacuum separation tank can be measured in real time through the first electronic vacuum gauge, and whether the vacuum separation tank leaks air or not and whether the working vacuum of the vacuum separation tank is normal or not can be judged through detecting the vacuum operation data of the vacuum separation tank; can perceive the oil level in the vacuum separation jar through level sensor, the oil level height can reduce first oil pump inverter motor's frequency, and the oil level is low, increases first oil pump inverter motor's frequency, reaches the stable liquid level purpose, and level sensor is provided with height liquid level simultaneously, and the liquid level is too high low all automatic alarm suggestion to stop first oil pump inverter motor.
In this embodiment, the first steam-water separator 10 is provided with a second photoelectric switch 25, the vacuum pipelines of the first steam-water separator 10 and the second steam-water separator 11 are sequentially provided with a first manual valve 26 and a second electronic vacuum gauge 27, a condenser 28 and an electromagnetic vacuum belt charging valve 29 are sequentially arranged between the second steam-water separator 11 and the vacuum pump 12, the electromagnetic vacuum belt charging valve 29 faces the vacuum pump 12 in the flowing direction, and the condenser 28 is provided with a third photoelectric switch 30 and a second manual valve set.
Therefore, when the oil filter is abnormal or is shut down in power failure, the controller controls the first electromagnetic valve and the electromagnetic vacuum belt charging valve to be closed, and automatically closes the oil path and the gas path, so that the interior of the oil filter is completely isolated, and accidents are prevented; the second photoelectric switch can detect whether the liquid level of the water in the first steam-water separator is ultrahigh, and when the liquid level of the water in the first steam-water separator is overhigh, the first steam-water separator can be replaced in time; the third photoelectric switch can detect whether the liquid level of the water in the condenser is ultrahigh, and the water can be discharged through the second manual valve bank in time when the liquid level of the water in the condenser is overhigh.
In this embodiment, the outlet of the second fine filter 14 is connected to the second flow meter 31 and the second manual valve 32 in this order via an oil line, the outlet of the second flow meter 31 is further connected to the inlet 33a of the second electromagnetic valve 33 via an oil line, and the outlet 33b of the second electromagnetic valve 33 is connected to the inlet 5a of the first electromagnetic valve 5 via the first manual valve group.
Therefore, the oil flow can be calculated through the frequency of the second oil pump variable frequency motor and the value of the pressure transmitter, and the oil filter can be judged whether to have the oil leakage phenomenon or not by comparing the number of the second flowmeter, and the first manual valve group can prevent the transformer oil from flowing into the first oil pump variable frequency motor through the second electromagnetic valve and the first electromagnetic valve.
In this embodiment, the first manual valve group includes 4 third manual valves 34 connected in parallel; the second manual valve pack comprises 3 fourth manual valves 35, wherein the parallel link of two fourth manual valves 35 is connected in series with another fourth manual valve 35 on the condenser 28.
In this way, the blocking of the first manual valve group and the flow through of the second manual valve group can be ensured.
In this embodiment, the oil filter further includes a current sensor 36 and a voltage sensor 37 for monitoring the current value and the voltage value of the oil filter, and a camera 39 for monitoring the working state of the oil filter, wherein the oil filter, the current sensor 36 and the voltage sensor 37 are electrically connected with a controller 38; the camera 39 is electrically connected with a video monitor 40, the controller 38 and the video monitor 40 are connected with a server 42 through a data transmission gateway 41, and the server 42 is connected with a client. The controller adopts a PLC controller, the current sensor can adopt a Danisense current sensor, the voltage sensor can adopt a BELL high-precision voltage sensor CLSM-10MA, and the camera can adopt a 360-degree panoramic camera.
Therefore, the current and voltage conditions of the oil filter are detected through the high-precision current sensor and the high-precision voltage sensor, the operation data of the oil filter, the current sensor and the voltage sensor are transmitted to the controller, whether the oil filter is normally started and operated or not can be known through calculation, and the video data of the camera is transmitted to the video monitor; the data transmission gateway is adopted, all data of the oil filter are encrypted and uploaded to the server through the data transmission gateway, and the client can log in, check and control the running state of the equipment on the network; through video monitor, can look over the oil filter behavior in a long-range way, and need not to send the people on site to watch on, let the user can official working under comfortable environment.
In this embodiment, the client includes a mobile phone 43, a computer 44, and a tablet 45.
Therefore, the user selectivity is high, and the oil filter alarm information can directly prompt and warn the user through the mobile phone short message. The server is connected with the mobile phone and the flat plate through a wireless network and is connected with the computer through optical fibers.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (10)
1. An intelligent oil purification device comprises an oil filter, and is characterized in that the oil filter comprises an oil inlet filter (1), a first oil pump variable frequency motor (2), a heater (3) and a vacuum separation tank (4) which are sequentially connected through a main pipeline; the inlet of the oil inlet filter (1) is connected with the exhaust port (5 b) of the first electromagnetic valve (5), and the air inlet (5 a) of the first electromagnetic valve (5) is connected with the first manual valve group; the top of the vacuum separation tank (4) is provided with an air outlet (6), and the air outlet (6) is connected with a double-stage vacuum pumping system for pumping air through a vacuum pipeline; an oil outlet (7) is formed in the bottom of the vacuum separation tank (4), the oil outlet (7) is sequentially connected with a second oil pump variable frequency motor (8) and a fine filter system through an oil pipeline, and a check valve (9) of the fine filter system is arranged between the fine filter system and the second oil pump variable frequency motor (8) and faces to the direction.
2. The intelligent oil purification device according to claim 1, wherein the double-stage vacuum pumping system comprises a first steam-water separator (10) connected with the air outlet (6), an outlet of the first steam-water separator (10) is connected with a second steam-water separator (11) through a vacuum pipeline, and an outlet of the second steam-water separator (11) is connected with a vacuum pump (12).
3. The intelligent oil purification device according to claim 2, wherein the fine filter system comprises a first fine filter (13) and a second fine filter (14) connected in series with the second oil pump variable frequency motor (8) through oil lines; a first differential pressure transmitter (15) and a second differential pressure transmitter (16) are respectively arranged at two ends of the first fine filter (13) and the second fine filter (14); be equipped with first pressure transmitter (17) on the oil circuit pipeline between first smart filter (13) with check valve (9) be equipped with second pressure transmitter (18) on the oil circuit pipeline between first smart filter (13) with second smart filter (14).
4. An intelligent oil purification device according to claim 3, characterized in that a first flow meter (19) and a first temperature sensor (20) are arranged on the main pipe between the first oil pump variable frequency motor (2) and the heater (3), and a second temperature sensor (21) is arranged on the main pipe between the heater (3) and the vacuum separation tank (4).
5. The intelligent oil purification device according to claim 4, wherein a first photoelectric switch (22) and a liquid level sensor (23) are arranged on the side wall of the vacuum separation tank (4), and the level of the first photoelectric switch (22) is higher than that of the liquid level sensor (23); the top of the vacuum separation tank is provided with a first electronic vacuum gauge (24).
6. The intelligent oil purification device according to claim 5, wherein a second photoelectric switch (25) is disposed on the first steam-water separator (10), a first manual valve (26) and a second electronic vacuum gauge (27) are sequentially disposed on the vacuum pipeline of the first steam-water separator (10) and the second steam-water separator (11), a condenser (28) and an electromagnetic vacuum belt charging valve (29) are sequentially disposed between the second steam-water separator (11) and the vacuum pump (12), the flow direction of the electromagnetic vacuum belt charging valve (29) faces the vacuum pump (12), and a third photoelectric switch (30) and a second manual valve set are disposed on the condenser (28).
7. The intelligent oil purification device according to claim 6, wherein the outlet of the second fine filter (14) is connected with a second flow meter (31) and a second manual valve (32) in sequence through an oil pipeline, the outlet of the second flow meter (31) is also connected with the air inlet (33 a) of a second electromagnetic valve (33) through an oil pipeline, and the air outlet (33 b) of the second electromagnetic valve (33) is connected with the air inlet (5 a) of the first electromagnetic valve (5) through the first manual valve group.
8. The intelligent oil purification device according to claim 7, wherein the first manual valve group comprises 4 third manual valves (34) connected in parallel two by two; the second manual valve group comprises 3 fourth manual valves (35), wherein the parallel link of the two fourth manual valves (35) and the other fourth manual valve (35) are connected in series on the condenser (28).
9. The intelligent oil purification device according to claim 8, further comprising a current sensor (36) and a voltage sensor (37) for monitoring the current value and the voltage value of the oil filter and a camera (39) for monitoring the working state of the oil filter, wherein the oil filter, the current sensor (36) and the voltage sensor (37) are electrically connected with a controller (38); the camera (39) is electrically connected with a video monitor (40), the controller (38) and the video monitor (40) are connected with a server (42) through a data transmission gateway (41), and the server (42) is connected with a client.
10. The intelligent oil purification device according to claim 9, wherein the client comprises a mobile phone (43), a computer (44) and a tablet (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539422.0U CN211462384U (en) | 2019-09-16 | 2019-09-16 | Intelligent oil purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539422.0U CN211462384U (en) | 2019-09-16 | 2019-09-16 | Intelligent oil purification device |
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| CN211462384U true CN211462384U (en) | 2020-09-11 |
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| CN201921539422.0U Active CN211462384U (en) | 2019-09-16 | 2019-09-16 | Intelligent oil purification device |
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| CN (1) | CN211462384U (en) |
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