CN218349861U - Environment-friendly automatic oil taking device - Google Patents
Environment-friendly automatic oil taking device Download PDFInfo
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- CN218349861U CN218349861U CN202222280400.5U CN202222280400U CN218349861U CN 218349861 U CN218349861 U CN 218349861U CN 202222280400 U CN202222280400 U CN 202222280400U CN 218349861 U CN218349861 U CN 218349861U
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Abstract
The utility model discloses an automatic oil extraction device of environmental protection, the power distribution box comprises a box body, the box is inside to be divided into left cavity and right cavity through the baffle, be provided with the mounting groove that is used for placing first sample needle tubing and second sample needle tubing on the top panel of left cavity, be provided with in the mounting groove and be used for cooperating first sample needle tubing and second sample needle tubing accomplish wash, the first electric putter and the second electric putter of sample, the below of mounting groove is close to the rear panel position and is provided with the pipeline mechanism that first sample needle tubing and second sample needle tubing are linked together; a control panel and a waste oil recovery barrel are arranged in the right cavity, a liquid crystal touch screen is embedded in a top panel of the right cavity, and the control panel is fixed on the left side surface of the right cavity; be provided with control circuit on the control panel, this device has realized that the automation of pipeline is washed, is taken a sample and takes oil recovery, and the sample process only needs one man to operate the completion, has improved the work efficiency of artifical sample.
Description
Technical Field
The utility model relates to a transformer substation's oil charge electrical equipment's insulating oil sample technical field especially relates to an automatic oil device of getting of environmental protection.
Background
For oil-filled equipment of a transformer substation, the content of gas in oil needs to be detected during operation, latent faults in the power equipment can be effectively monitored according to the concentration parameters and the change rule of the gas in the oil, the method has important guiding significance particularly for state maintenance, equipment maintenance is favorably and reasonably arranged, and safe operation of the equipment and a power grid is guaranteed.
The detection mode adopted in the present stage is that a worker is required to regularly take out an oil sample from oil-filled equipment, the oil sample is sent back to a laboratory and then is subjected to chromatographic analysis by professional testers, however, manual operation sampling is usually adopted in the oil taking process, during sampling, a needle tube needs to be sequentially connected with a latex tube, a three-way valve and a latex tube and then is connected with a transformer, during sampling, the needle tube needs to absorb and discharge oil, the three-way valve needs to rotate continuously, the latex tube is made of a soft material, various tools are difficult to control during connection and operation, the operation process needs to be completed by cooperation of multiple persons, and meanwhile, the oil waste for flushing the needle tube cannot be effectively collected or discarded at will, so that the environmental pollution is caused; in addition, the sampling process has the nonstandard operation, the pipeline can not be reasonably washed, a representative oil sample can not be obtained, and the accuracy of chromatographic analysis is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the prior art is directed against, provide an automatic oily device of getting of environmental protection, through each solenoid valve, three-way valve and electric putter work on the singlechip control pipeline, realize that the automation of pipeline is washed, the sample and the waste oil recovery, the sampling process only needs one-man operation to accomplish, has improved the work efficiency of artifical sample.
The utility model provides a technical scheme that its technical problem adopted is: an environment-friendly automatic oil taking device comprises a box body, wherein the interior of the box body is divided into a left chamber and a right chamber through a partition plate, a mounting groove for placing a first sampling needle tube and a second sampling needle tube is formed in a top panel of the left chamber, a first electric push rod and a second electric push rod which are used for matching the first sampling needle tube and the second sampling needle tube to complete washing and sampling are arranged in the mounting groove, and a pipeline mechanism communicated with the first sampling needle tube and the second sampling needle tube is arranged below the mounting groove and close to a rear side panel;
the pipeline mechanism comprises an oil pipeline and an oil discharge pipeline, a first electromagnetic valve and a second electromagnetic valve are installed on the oil pipeline, a first three-way valve and a second three-way valve which are respectively connected with a first sampling needle tube and a second sampling needle tube are sequentially connected in parallel on the oil pipeline between the first electromagnetic valve and the second electromagnetic valve, and the other ports of the first three-way valve and the second three-way valve are respectively connected in parallel on the oil discharge pipeline;
a control panel and a waste oil recovery barrel are arranged in the right cavity, a liquid crystal touch screen is embedded in a top panel of the right cavity, and the control panel is fixed on the left side surface of the right cavity;
the partition board is provided with a through hole, and the tail ends of the oil pipeline and the oil drainage pipeline extend into the right cavity through the through hole and are inserted into the waste oil recovery barrel;
the control circuit that sets up on the control panel includes the singlechip, first solenoid valve drive circuit, second solenoid valve drive circuit, first three-way valve drive circuit, second three-way valve drive circuit, first relay drive circuit, second relay drive circuit and EEPROM memory, the singlechip is through first solenoid valve drive circuit, second solenoid valve drive circuit, first three-way valve drive circuit, second three-way valve drive circuit, first relay drive circuit and the first solenoid valve of second relay drive circuit control, the second solenoid valve, first three-way valve, the second three-way valve, first electric putter and the work of second electric putter, the realization is to defeated oil pipe way, the automatic of oil extraction pipeline and sample needle tubing is washed, sample and the oily recovery of expense.
Preferably, the inner bottom surface of the mounting groove is provided with a first needle tube fixing seat and a second needle tube fixing seat corresponding to the positions of the first sampling needle tube and the second sampling needle tube, and the first sampling needle tube and the second sampling needle tube are respectively fixed in the mounting groove through the first needle tube fixing seat and the second needle tube fixing seat;
the first electric push rod and the second electric push rod are respectively fixed on the inner bottom surface of the mounting groove, a first push plate and a second push plate are respectively arranged at the tops of rod bodies of the first electric push rod and the second electric push rod, and the first push plate and the second push plate respectively correspond to the tail parts of rod cores of the first sampling needle tube and the second sampling needle tube;
the interior bottom surface of mounting groove is located and still is provided with between first needle tubing fixing base, second needle tubing fixing base and first electric putter and the second electric putter and is used for leading spacing first spout and second spout to first push pedal and second push pedal, the bottom of first push pedal and second push pedal stretch into respectively extremely the inside of first spout and second spout and with first spout and second spout sliding connection, first electric putter and second electric putter can drive first push pedal and second push pedal and remove along first spout and second spout.
Preferably, the tail parts of the rod cores of the first sampling needle tube and the second sampling needle tube, which correspond to the first sampling needle tube and the second sampling needle tube, of the first push plate and the second push plate are respectively provided with a third pressure sensor and a fourth pressure sensor for detecting the pressure of the push plates.
Preferably, an oil sample input interface, a first sampling interface and a second sampling interface are sequentially arranged on the top panel of the left chamber from left to right near one end of the sampling needle head;
the oil sample input interface extends into the left cavity and is connected with the oil pipeline;
the first sampling interface and the second sampling interface extend into the left chamber and are respectively connected with COM ports on the first three-way valve and the second three-way valve through connecting pipelines;
the top parts of the first sampling interface and the second sampling interface are respectively connected with the needle head parts of the corresponding first sampling needle tube and the second sampling needle tube through hoses;
NC ports on the first three-way valve and the second three-way valve are respectively connected in parallel on the oil pipeline through connecting pipelines;
NO ports of the first three-way valve and the second three-way valve are connected in parallel to the oil discharge pipeline through connecting pipelines respectively.
Preferably, a first pressure sensor and a second pressure sensor are arranged on connecting pipelines of the first sampling interface and the second sampling interface, which are respectively connected with COM ports on the first three-way valve and the second three-way valve;
the first pressure sensor and the second pressure sensor are used for detecting the pressure value of an oil sample in the pipeline;
the first pressure sensor and the second pressure sensor are both digital pressure sensors with the model number of MPM 258.
Preferably, the first solenoid valve driving circuit, the second solenoid valve driving circuit, the first three-way valve driving circuit, the second three-way valve driving circuit, the first relay driving circuit and the second relay driving circuit are respectively connected with an IO port of the single chip microcomputer;
the single chip microcomputer respectively passes through I 2 The interface C is connected with the first pressure sensor, the second pressure sensor and the EEPROM;
the single chip microcomputer is connected with a third pressure sensor and a fourth pressure sensor through an A/D port respectively;
the single chip microcomputer is connected with the first electromagnetic valve, the second electromagnetic valve, the first three-way valve and the second three-way valve through a first electromagnetic valve driving circuit, a second electromagnetic valve driving circuit, a first three-way valve driving circuit and a second three-way valve driving circuit respectively;
the single chip microcomputer is respectively connected with the first relay and the second relay through the first relay driving circuit and the second relay driving circuit;
wherein the first relay is connected with the first electric push rod, and the second relay is connected with the second electric push rod.
Preferably, the single chip microcomputer is an STM32F429 chip.
Preferably, the first electromagnetic valve driving circuit, the second electromagnetic valve driving circuit, the first three-way valve driving circuit and the second three-way valve driving circuit are all chips with the model number of ULN 2068B.
Compared with the prior art, the beneficial effects of the utility model are that: an environment-friendly automatic oil taking device controls the work of all electromagnetic valves, three-way valves and electric push rods on pipelines through a single chip microcomputer, realizes the automatic flushing, sampling and waste oil recovery of the pipelines, avoids the contact with the outside air in the sampling process, and realizes the standardization and normalization of the sampling process; only one person is needed to complete sampling, so that the working efficiency of manual sampling is improved;
the sampling pipeline is provided with a first pressure sensor and a second pressure sensor, and the first pressure sensor and the second pressure sensor are used for detecting the pressure value of an oil sample in the pipeline to judge whether the pipeline leaks oil or the valve is not opened;
the third pressure sensor and the fourth pressure sensor are arranged on the first push plate and the second push plate, and whether the oil taking process is finished or not is judged according to pressure signals on the sampling push plates of the pressure sensors, so that the automatic operation of the needle tube oil taking process is realized;
through setting up first spout and second spout at the interior bottom surface of mounting groove, with first push pedal and second push pedal spacing in the spout that corresponds, electric putter moves along the spout all the time when driving the push pedal and removing, has avoided causing the push pedal to rock because of the vibration that electric putter during operation produced, is unfavorable for the needle tubing sample.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a top view of the mounting groove on the top panel of the left chamber of the present invention;
FIG. 3 is a flow chart of the present invention;
fig. 4 is a schematic block diagram of the control circuit of the present invention.
In the figure: 1. a box body; 2. a partition plate; 3. a left chamber; 4. a right chamber; 5. mounting grooves; 6. a first sampling needle tube; 7. a second sampling needle tube; 8. a pipeline mechanism; 9. a control panel; 10. a waste oil recovery barrel; 11. a liquid crystal touch screen; 12. a first needle tube fixing seat; 13. a second needle tube fixing seat; 14. a first electric push rod; 15. a second electric push rod; 16. a first push plate; 17. a second push plate; 18. a first chute; 19. a second chute; 20. a third pressure sensor; 21. a fourth pressure sensor; 22. an oil sample input interface; 23. a first sampling interface; 24. a second sampling interface; 25. a first relay; 26. a second relay; 27. a power button; 28. a USB interface; 29. a transformer; 30. a joint;
81. an oil pipeline; 82. an oil discharge pipeline; 83. a first solenoid valve; 84. a second solenoid valve; 85. a first three-way valve; 86. a second three-way valve; 87. a first pressure sensor; 88. a second pressure sensor;
91. a control circuit; 92. a single chip microcomputer; 93. a first solenoid valve drive circuit; 94. a second solenoid valve drive circuit; 95. a first three-way valve drive circuit; 96. a second three-way valve drive circuit; 97. a first relay drive circuit; 98. a second relay drive circuit; 99. an EEPROM memory.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an environment-friendly automatic oil taking device comprises a box body 1, the interior of the box body 1 is divided into a left chamber 3 and a right chamber 4 through a partition plate 2, a mounting groove 5 for placing a first sampling needle tube 6 and a second sampling needle tube 7 is formed in the top panel of the left chamber 3, a first electric push rod 14 and a second electric push rod 15 which are used for matching the first sampling needle tube 6 and the second sampling needle tube 7 to complete washing and sampling are arranged in the mounting groove 5, and a pipeline mechanism 8 communicated with the first sampling needle tube 6 and the second sampling needle tube 7 is arranged below the mounting groove 5 and close to the rear side panel;
the pipeline mechanism 8 comprises an oil pipeline 81 and an oil discharge pipeline 82, a first electromagnetic valve 83 and a second electromagnetic valve 84 are installed on the oil pipeline 81, two first three-way valves 85 and two second three-way valves 86 which are respectively connected with the first sampling needle tube 6 and the second sampling needle tube 7 are sequentially connected in parallel on the oil pipeline between the first electromagnetic valve 83 and the second electromagnetic valve 84, and the other ports of the first three-way valves 85 and the second three-way valves 86 are respectively connected in parallel on the oil discharge pipeline 82;
a control panel 9 and a waste oil recovery barrel 10 are arranged inside the right chamber 4, a liquid crystal touch screen 11 is embedded in a top panel of the right chamber 4, and the control panel 9 is fixed on the left side surface of the right chamber 4; a power button 27 and a USB interface 28 are also arranged on the top panel of the right chamber 4;
the partition plate 2 is provided with a through hole, and the tail ends of the oil pipeline 81 and the oil discharge pipeline 82 extend into the right chamber 4 through the through hole and are inserted into the waste oil recovery barrel 10;
the control circuit 91 arranged on the control panel 9 comprises a single chip microcomputer 92, a first solenoid valve driving circuit 93, a second solenoid valve driving circuit 94, a first three-way valve driving circuit 95, a second three-way valve driving circuit 96, a first relay driving circuit 97, a second relay driving circuit 98 and an EEPROM (electrically erasable programmable read-only memory) 99, wherein the single chip microcomputer 92 controls the first solenoid valve 83, the second solenoid valve 84, the first three-way valve 85, the second three-way valve 86, the first electric push rod 14 and the second electric push rod 15 to work through the first solenoid valve driving circuit 93, the second solenoid valve driving circuit 94, the first three-way valve driving circuit 95, the second three-way valve driving circuit 96, the first relay driving circuit 97 and the second relay driving circuit 98, so that automatic flushing, sampling and oil waste recovery of the oil conveying pipeline 81, the oil discharging pipeline 82 and the sampling needle tube are realized.
Referring to fig. 1 and 2, the inner bottom surface of the mounting groove 5 is provided with a first needle tube fixing seat 12 and a second needle tube fixing seat 13 at positions corresponding to the first sampling needle tube 6 and the second sampling needle tube 7, and the first sampling needle tube 6 and the second sampling needle tube 7 are respectively fixed in the mounting groove 5 through the first needle tube fixing seat 12 and the second needle tube fixing seat 13;
the first electric push rod 14 and the second electric push rod 15 are respectively fixed on the inner bottom surface of the mounting groove 5, a first push plate 16 and a second push plate 17 are respectively arranged at the top of the rod body of the first electric push rod 14 and the top of the rod body of the second electric push rod 15, and the first push plate 16 and the second push plate 17 respectively correspond to the tail parts of the rod cores of the first sampling needle tube 6 and the second sampling needle tube 7;
the interior bottom surface of mounting groove 5 is located first needle tubing fixing base 12, second needle tubing fixing base 13 and first electric putter 14 and second electric putter 15 between the position still be provided with be used for leading spacing first spout 18 and second spout 19 to first push pedal 16 and second push pedal 17, the bottom of first push pedal 16 and second push pedal 17 stretches into respectively extremely first spout 18 and second spout 19 inside and with first spout 18 and second spout 19 sliding connection, first electric putter 14 and second electric putter 15 can drive first push pedal 16 and second push pedal 17 and remove along first spout 18 and second spout 19.
This embodiment sets up first spout 18 and second spout 19 through the interior bottom surface at mounting groove 5, with first push pedal 16 and second push pedal 17 spacing in the spout that corresponds, electric putter moves along the spout all the time when driving the push pedal and removing, has avoided causing the push pedal to rock because of the vibration that electric putter during operation produced, is unfavorable for the needle tubing sample.
Referring to fig. 2, the first push plate 16 and the second push plate 17 are respectively provided with a third pressure sensor 20 and a fourth pressure sensor 21 for detecting the pressure of the push plates, corresponding to the tail portions of the rod cores of the first sampling needle tube 6 and the second sampling needle tube 7, wherein the third pressure sensor 20 and the fourth pressure sensor 21 are both button-type pressure sensors and are respectively embedded in the middle positions of the top surfaces of the first push plate 16 and the second push plate 17.
In the embodiment, the third pressure sensor 20 and the fourth pressure sensor 21 are arranged on the first push plate 16 and the second push plate 17, and whether the oil taking process is finished or not is judged according to the pressure signals on the pressure sensors sampling push plates, so that the automatic operation of the needle tube oil taking process is realized;
referring to fig. 1 and 3, an oil sample input interface 22, a first sampling interface 23 and a second sampling interface 24 are sequentially arranged on the top panel of the left chamber 3 from left to right near one end of the sampling needle;
the oil sample input interface 22 extends into the left chamber 3 and is connected with the oil pipeline 81;
the first sampling port 23 and the second sampling port 24 extend into the left chamber 3 and are respectively connected with COM ports on the first three-way valve 85 and the second three-way valve 86 through connecting pipelines;
the tops of the first sampling interface 23 and the second sampling interface 24 are respectively connected with the needle parts of the corresponding first sampling needle tube 6 and the second sampling needle tube 7 through hoses;
the NC ports of the first three-way valve 85 and the second three-way valve 86 are respectively connected in parallel on the oil pipeline 81 through connecting pipelines;
the NO ports of the first three-way valve 85 and the second three-way valve 86 are connected in parallel to the oil drain line 82 through connecting lines, respectively.
Referring to fig. 1 and fig. 3, a first pressure sensor 87 and a second pressure sensor 88 are disposed on connection pipelines of the first sampling port 23 and the second sampling port 24, which are respectively connected to COM ports of the first three-way valve 85 and the second three-way valve 86;
the first pressure sensor 87 and the second pressure sensor 88 are used for detecting the pressure value of the oil sample in the pipeline;
the first pressure sensor 87 and the second pressure sensor 88 are both digital pressure sensors with the model of MPM 258.
In the embodiment, a first pressure sensor 87 and a second pressure sensor 88 are arranged on a sampling pipeline, and the first pressure sensor 87 and the second pressure sensor 88 are used for detecting the pressure value of an oil sample in the pipeline, so as to judge whether the pipeline leaks oil or whether a valve (the valve refers to an electromagnetic valve and a three-way valve) is not opened;
referring to fig. 4, the first solenoid valve driving circuit 93, the second solenoid valve driving circuit 94, the first three-way valve driving circuit 95, the second three-way valve driving circuit 96, the first relay driving circuit 97, and the second relay driving circuit 98 are respectively connected to the IO ports of the single chip 92; in this embodiment, the singlechip 92 is an STM32F429 chip; in this embodiment, the singlechip 92 controls the operation of the first solenoid valve 83, the second solenoid valve 84, the first three-way valve 85, the second three-way valve 86, the first electric push rod 14 and the second electric push rod 15 on the pipeline through the first solenoid valve driving circuit 93, the second solenoid valve driving circuit 94, the first three-way valve driving circuit 95, the second three-way valve driving circuit 96, the first relay driving circuit 97 and the second relay driving circuit 98, so that the automatic flushing, sampling and oil waste recovery of the pipeline are realized, the sampling process is prevented from contacting with the outside air, and the standardization and normalization of the sampling process are realized; the sampling process is completed by only one person, so that the working efficiency of manual sampling is improved;
the single chip microcomputer 92 respectively passes through I 2 The interface C is connected with a first pressure sensor 87, a second pressure sensor 88 and an EEPROM memory 99; the EEPROM memory is a mature chip in the market, and is not described in detail herein.
The single chip 92 is connected with the third pressure sensor 20 and the fourth pressure sensor 21 through A/D ports respectively;
the single chip 92 is connected with the first solenoid valve 83, the second solenoid valve 84, the first three-way valve 85 and the second three-way valve 86 through a first solenoid valve driving circuit 93, a second solenoid valve driving circuit 94, a first three-way valve driving circuit 95 and a second three-way valve driving circuit 96 respectively; in this embodiment, the first solenoid valve driving circuit 93, the second solenoid valve driving circuit 94, the first three-way valve driving circuit 95, and the second three-way valve driving circuit 96 are all chips with a model number of ULN 2068B.
The single chip microcomputer 92 is respectively connected with the first relay 25 and the second relay 26 through a first relay driving circuit 97 and a second relay driving circuit 98; wherein, the first relay 25 is connected with the first electric push rod 14, and the second relay 26 is connected with the second electric push rod 15; in the embodiment, pins of the first relay 25 and the second relay 26 are respectively welded on the control board 9, wherein the electric push rod is a miniature push rod with a stroke of 100mm and a 24V power supply; the first relay drive circuit 97 and the second relay drive circuit 98 both adopt a triode to drive the relay to work, the triode is equivalent to a switching device, the relay is closed when the single chip sends a low level, and the relay is opened when the single chip sends a high level.
The liquid crystal touch screen 11 comprises a touch screen and a liquid crystal display screen, wherein the touch screen is connected with the single chip microcomputer through a UART interface to realize data communication, and the liquid crystal display screen is connected with the single chip microcomputer through an LCD parallel interface to realize video signal transmission.
The operation flow of this embodiment:
before oil is taken, an oil pipe connected with a transformer joint 30 is connected to an oil sample input interface 22 on the device, a power supply button 27 is started, the system enters a main operation interface after being electrified, and the following steps are operated according to interface prompt:
firstly, oil way automatic flushing: opening a first electromagnetic valve 83 and a second electromagnetic valve 84, enabling the oil sample to enter an oil conveying pipeline 81, realizing automatic flushing of the oil conveying pipeline, automatically closing the second electromagnetic valve 84 after the flushing reaches the set time of the system, and entering the operation of the second step;
secondly, the sampling needle tube automatically washes: starting the first electric push rod 14, when the first electric push rod 14 drives the first push plate 16 to move downwards, opening the first three-way valve 85, enabling an oil sample to automatically enter the first sampling needle tube 6 by means of the pressure of the transformer, when the third pressure sensor 20 detects that the pressure on the first push plate 16 reaches a system set threshold value, closing the first three-way valve 85, controlling the first electric push rod 14 to move upwards, driving the first push plate 16 by the first electric push rod 14 to push the rod core at the tail part of the first sampling needle tube 6 to move upwards, discharging the oil sample in the first sampling needle tube 6 through the COM port and the NO port of the first three-way valve 85, and enabling the oil sample to enter the oil waste recovery barrel 10 through the oil discharge pipeline 82, so as to finish the first flushing of the first sampling needle tube 6, wherein the flushing process can be executed for three times in a circulating manner;
the second sampling needle tube 7 on the second channel is flushed, at this time, the second electric push rod 15 is started, when the second electric push rod 15 drives the second push plate 17 to move downwards, the second three-way valve 86 is opened, the oil sample automatically enters the second sampling needle tube 7 by the pressure of the transformer, when the fourth pressure sensor 21 detects that the pressure on the second push plate 17 reaches a system set threshold value, the second three-way valve 86 is closed, the second electric push rod 15 is controlled to move upwards, the second electric push rod 15 drives the second push plate 17 to push the rod core at the tail part of the second sampling needle tube 7 to move upwards, the oil sample in the second sampling needle tube 7 is discharged through the COM port and the NO port of the second three-way valve 86 and enters the waste oil recovery barrel 10 through the oil discharge pipeline 82, the first flushing of the second sampling needle tube 7 is completed, and the flushing process can be circularly performed for three times, and the system enters the operation of the third step;
thirdly, automatic sampling: starting the first electric push rod 14, the first electric push rod 14 drives the first push plate 16 to move downwards, opening the first three-way valve 85, enabling an oil sample to automatically enter the first sampling needle tube 6 by means of the pressure of the transformer, and closing the first three-way valve 85 when the third pressure sensor 20 detects that the pressure value on the first push plate 16 reaches a system set threshold value, so as to finish automatic oil extraction of the first sampling needle tube 6; then, the second electric push rod 15 is started, the second electric push rod 15 drives the second push plate 17 to move downwards, the second three-way valve 86 is opened, an oil sample automatically enters the second sampling needle tube 7 by means of the pressure of the transformer, and when the fourth pressure sensor 21 detects that the pressure value on the second push plate 17 reaches the set threshold value of the system, the first electromagnetic valve 83 and the second three-way valve 86 are closed, and automatic oil taking of the second sampling needle tube is completed; open second solenoid valve 84 at last and arrange into in the oil recovery bucket 10 with remaining oil appearance in the pipeline, accomplish the automatic sampling work of this equipment, this device has realized that the automation of pipeline is washed, is sampled and the oil recovery of taking a sample, and the sampling process only needs alone to operate the completion, has improved the work efficiency of artifical sample, and the practicality is strong.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic oily device of getting of environmental protection which characterized in that: the automatic sampling device comprises a box body, wherein the interior of the box body is divided into a left chamber and a right chamber through a partition plate, a mounting groove for placing a first sampling needle tube and a second sampling needle tube is formed in a top panel of the left chamber, a first electric push rod and a second electric push rod which are used for matching the first sampling needle tube and the second sampling needle tube to complete washing and sampling are arranged in the mounting groove, and a pipeline mechanism communicated with the first sampling needle tube and the second sampling needle tube is arranged below the mounting groove and close to a rear side panel;
the pipeline mechanism comprises an oil pipeline and an oil drainage pipeline, a first electromagnetic valve and a second electromagnetic valve are installed on the oil pipeline, a first three-way valve and a second three-way valve which are respectively connected with a first sampling needle tube and a second sampling needle tube are sequentially connected in parallel on the oil pipeline between the first electromagnetic valve and the second electromagnetic valve, and the other ports of the first three-way valve and the second three-way valve are respectively connected in parallel on the oil drainage pipeline;
a control panel and a waste oil recovery barrel are arranged in the right cavity, a liquid crystal touch screen is embedded in a top panel of the right cavity, and the control panel is fixed on the left side surface of the right cavity;
the partition board is provided with a through hole, and the tail ends of the oil pipeline and the oil drainage pipeline extend into the right cavity through the through hole and are inserted into the waste oil recovery barrel;
the control circuit that sets up on the control panel includes the singlechip, first solenoid valve drive circuit, second solenoid valve drive circuit, first three-way valve drive circuit, second three-way valve drive circuit, first relay drive circuit, second relay drive circuit and EEPROM memory, the singlechip is through first solenoid valve drive circuit, second solenoid valve drive circuit, first three-way valve drive circuit, second three-way valve drive circuit, first relay drive circuit and the first solenoid valve of second relay drive circuit control, the second solenoid valve, first three-way valve, the second three-way valve, first electric putter and the work of second electric putter, the realization is to defeated oil pipe way, the automatic of oil extraction pipeline and sample needle tubing is washed, sample and the oily recovery of expense.
2. The environment-friendly automatic oil extraction device according to claim 1, characterized in that: the inner bottom surface of the mounting groove is provided with a first needle tube fixing seat and a second needle tube fixing seat corresponding to the positions of the first sampling needle tube and the second sampling needle tube, and the first sampling needle tube and the second sampling needle tube are fixed in the mounting groove through the first needle tube fixing seat and the second needle tube fixing seat respectively;
the first electric push rod and the second electric push rod are respectively fixed on the inner bottom surface of the mounting groove, the top parts of the rod bodies of the first electric push rod and the second electric push rod are respectively provided with a first push plate and a second push plate, and the first push plate and the second push plate respectively correspond to the tail parts of the rod cores of the first sampling needle tube and the second sampling needle tube;
the interior bottom surface of mounting groove is located and still is provided with between first needle tubing fixing base, second needle tubing fixing base and first electric putter and the second electric putter and is used for leading spacing first spout and second spout to first push pedal and second push pedal, the bottom of first push pedal and second push pedal stretch into respectively extremely the inside of first spout and second spout and with first spout and second spout sliding connection, first electric putter and second electric putter can drive first push pedal and second push pedal and remove along first spout and second spout.
3. The environment-friendly automatic oil extraction device according to claim 2, characterized in that: and the tail parts of the rod cores of the first sampling needle tube and the second sampling needle tube, which correspond to the first sampling needle tube and the second sampling needle tube, of the first push plate and the second push plate are respectively provided with a third pressure sensor and a fourth pressure sensor for detecting the pressure of the push plates.
4. The automatic oil extraction device of claim 3, characterized in that: an oil sample input interface, a first sampling interface and a second sampling interface are sequentially arranged on the top panel of the left chamber from left to right and close to one end of the sampling needle head;
the oil sample input interface extends into the left cavity and is connected with the oil pipeline;
the first sampling interface and the second sampling interface extend into the left chamber and are respectively connected with COM ports on the first three-way valve and the second three-way valve through connecting pipelines;
the top parts of the first sampling interface and the second sampling interface are respectively connected with the corresponding needle head parts of the first sampling needle tube and the second sampling needle tube through hoses;
NC ports on the first three-way valve and the second three-way valve are respectively connected in parallel on the oil pipeline through connecting pipelines;
NO ports of the first three-way valve and the second three-way valve are connected in parallel to the oil discharge pipeline through connecting pipelines respectively.
5. The automatic oil extraction device of claim 4, which is characterized in that: a first pressure sensor and a second pressure sensor are arranged on connecting pipelines of the first sampling interface and the second sampling interface which are respectively connected with COM ports on the first three-way valve and the second three-way valve;
the first pressure sensor and the second pressure sensor are used for detecting the pressure value of an oil sample in the pipeline;
the first pressure sensor and the second pressure sensor are both digital pressure sensors with the model number of MPM 258.
6. The environment-friendly automatic oil extraction device according to claim 5, characterized in that: the first solenoid valve driving circuit, the second solenoid valve driving circuit, the first three-way valve driving circuit, the second three-way valve driving circuit, the first relay driving circuit and the second relay driving circuit are respectively connected with an IO port of the single chip microcomputer;
the single chip microcomputer respectively passes through I 2 The interface C is connected with the first pressure sensor, the second pressure sensor and the EEPROM;
the single chip microcomputer is connected with a third pressure sensor and a fourth pressure sensor through an A/D port respectively;
the single chip microcomputer is connected with the first electromagnetic valve, the second electromagnetic valve, the first three-way valve and the second three-way valve through a first electromagnetic valve driving circuit, a second electromagnetic valve driving circuit, a first three-way valve driving circuit and a second three-way valve driving circuit respectively;
the single chip microcomputer is respectively connected with the first relay and the second relay through the first relay driving circuit and the second relay driving circuit;
wherein the first relay is connected with the first electric push rod, and the second relay is connected with the second electric push rod.
7. The environment-friendly automatic oil extraction device according to claim 6, characterized in that: the single chip microcomputer is an STM32F429 chip.
8. The environment-friendly automatic oil extraction device according to claim 6, characterized in that: the first electromagnetic valve driving circuit, the second electromagnetic valve driving circuit, the first three-way valve driving circuit and the second three-way valve driving circuit are all chips with the model number of ULN 2068B.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280400.5U CN218349861U (en) | 2022-08-29 | 2022-08-29 | Environment-friendly automatic oil taking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280400.5U CN218349861U (en) | 2022-08-29 | 2022-08-29 | Environment-friendly automatic oil taking device |
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| Publication Number | Publication Date |
|---|---|
| CN218349861U true CN218349861U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222280400.5U Active CN218349861U (en) | 2022-08-29 | 2022-08-29 | Environment-friendly automatic oil taking device |
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| Country | Link |
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| CN (1) | CN218349861U (en) |
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