CN209764524U - timing and quantitative acquisition device and quantitative collecting cylinder for natural gas component detection - Google Patents
timing and quantitative acquisition device and quantitative collecting cylinder for natural gas component detection Download PDFInfo
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- CN209764524U CN209764524U CN201920449630.5U CN201920449630U CN209764524U CN 209764524 U CN209764524 U CN 209764524U CN 201920449630 U CN201920449630 U CN 201920449630U CN 209764524 U CN209764524 U CN 209764524U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000003345 natural gas Substances 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 81
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 230000001276 controlling effect Effects 0.000 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 8
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- 239000004964 aerogel Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a regularly quantitative collection system and natural gas component detect and use quantitative collecting vessel, wherein, a regularly quantitative collection system, include: a collecting cylinder (1); the collecting cylinder (1) is connected with an air source (16) through a collecting control mechanism and an air quantity regulating mechanism, the collecting cylinder (1) is also connected with a timing mechanism, and the timing mechanism is also connected with the collecting control mechanism; the collection control mechanism is used for controlling whether the gas of the gas source (16) enters the collection cylinder (1); the air quantity regulating mechanism is used for regulating the air quantity of the air source (16) entering the collecting cylinder (1); the timing mechanism is used for timing the air inlet entering the collecting cylinder (1) so as to control the on-off of the collecting control mechanism. The problem that the collection amount of gas (such as natural gas) needs to be manually controlled, so that the working strength is high and the personal safety is endangered is solved.
Description
Technical Field
The utility model relates to a gather the test field, a quantitative collection device and natural gas component detect and use a quantitative collecting vessel regularly says so.
background
the collecting cylinder is a device for collecting natural gas during natural gas detection, and the existing collecting cylinder does not have the functions of timing and quantitative collection and needs the amount of manual control natural gas collection.
Disclosure of Invention
in view of this, the utility model provides a timing and quantitative collection device and natural gas component detect and use quantitative collecting vessel to the volume that needs manual control gas (like, the natural gas) to collect is solved, causes working strength big and endangers the problem of personal safety.
In a first aspect, the utility model provides a regularly quantitative collection system, include:
A collection canister;
The collecting cylinder is connected with an air source through a collecting control mechanism and an air quantity regulating mechanism, the collecting cylinder is also connected with a timing mechanism, and the timing mechanism is also connected with the collecting control mechanism;
the collection control mechanism is used for controlling whether the gas of the gas source enters the collection cylinder or not;
the air quantity regulating mechanism is used for regulating the air quantity of the air source entering the collecting cylinder;
and the timing mechanism is used for timing the air inlet entering the collecting cylinder so as to control the on-off of the collecting control mechanism.
preferably, the collection control mechanism includes: the device comprises a controller, a collecting cylinder pressure detection mechanism and an execution mechanism;
a collecting cylinder pressure detection mechanism is arranged on the collecting cylinder, the collecting cylinder pressure detection mechanism is connected with the input end of the controller, and the output end of the controller is connected with the execution mechanism;
the collecting cylinder pressure detection mechanism is used for detecting the pressure in the collecting cylinder;
and the controller is used for controlling whether the actuating mechanism disconnects the air source from the collecting cylinder or not according to the pressure and the first preset pressure.
preferably, the cartridge pressure detection mechanism includes: the pressure gauge is arranged on the collecting cylinder, and the output end of the pressure gauge is connected with the input end of the controller through the pressure detection circuit; and/or
The execution mechanism is an electromagnetic valve, the output of the controller is connected with the control end of the electromagnetic valve, a pipeline at one end of the electromagnetic valve is connected with the gas source, and a pipeline at the other end of the electromagnetic valve is connected with the collecting cylinder through the gas flow regulating mechanism; and/or
The controller is a single chip microcomputer.
Preferably, an alarm circuit;
The alarm circuit is connected with the output end of the controller;
And the controller is used for controlling whether the alarm circuit gives an alarm or not according to the pressure and the second preset pressure.
Preferably, the timing mechanism is a time relay;
One end of the time relay coil is connected with the output end of the controller, and the other end of the time relay coil is grounded;
One end of the single-pole double-throw of the time relay is grounded, and the other end of the single-pole double-throw of the time relay is connected with the control end of the actuating mechanism.
preferably, an air outlet valve is arranged on the collecting cylinder and used for discharging the internal gas of the collecting cylinder to the outside of the collecting cylinder; and/or
the inner side of the collecting cylinder is sequentially provided with a heat-insulating flame-retardant layer and an anticorrosive layer.
In a second aspect, the utility model provides a natural gas component detects uses a quantitative collector section of thick bamboo, include:
The timing and quantitative acquisition device is provided; and
a vacuum pump;
The vacuum pump is used for vacuumizing the collecting cylinder;
Wherein the gas source is a natural gas pipeline.
Preferably, the vacuum pump is connected with the collecting cylinder through the one-way valve;
The one-way valve is used for the vacuum pump to unidirectionally remove the gas in the collecting cylinder from the collecting cylinder.
Preferably, the gas source is connected with one end of the collection control mechanism through a gas hose, the other end of the collection control mechanism is connected with one end of the gas flow regulating mechanism through a pipeline, and the other end of the gas flow regulating mechanism is connected with the collecting cylinder through a pipeline.
Preferably, one end of the gas hose has a butt joint;
One end of the gas hose is connected with a gas source through the butt joint.
The utility model discloses following beneficial effect has at least:
The utility model provides a timing and quantitative collection device and natural gas component detect and use a quantitative collector section of thick bamboo to the volume that needs manual control gas (like, the natural gas) to collect is solved, causes working strength big and endanger the problem of personal safety.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic process diagram of a timing and quantitative collecting device according to an embodiment of the present invention;
Fig. 2 is a schematic process diagram of a quantitative collecting cylinder for detecting natural gas components according to an embodiment of the present invention;
Fig. 3 is a schematic layer structure diagram of the collecting cylinder in fig. 1 and fig. 2 according to the embodiment of the present invention.
In the figure: 1. a collection canister; 2. a gas alarm; 3. a vacuum pump; 4. a one-way valve; 5. a gas filter; 6. an electromagnetic valve; 7. a time relay; 8. a pressure gauge; 9. a gas hose; 10. butt joints; 11. an air outlet valve; 12. a heat insulating flame retardant layer; 13. an anticorrosive layer; 14. regulating valve, controller 15 and air source 16.
Detailed Description
the present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. However, for parts not described in detail, those skilled in the art can fully understand the present invention.
furthermore, those skilled in the art will appreciate that the drawings are provided for purposes of illustrating the objects, features, and advantages of the invention and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic process diagram of a timing and quantitative collecting device according to an embodiment of the present invention. As shown in fig. 1, a timing and quantitative collecting device includes: a collecting cylinder 1; the collecting cylinder 1 is connected with an air source 16 through a collecting control mechanism and an air quantity regulating mechanism, the collecting cylinder 1 is also connected with a timing mechanism, and the timing mechanism is also connected with the collecting control mechanism; the collection control mechanism is used for controlling whether the gas of the gas source 16 enters the collection cylinder 1; the air quantity regulating mechanism is used for regulating the air quantity of the air source 16 entering the collecting cylinder 1; and the timing mechanism is used for timing the air inlet entering the collecting cylinder 1, comparing the timing time with the set time and controlling the on-off of the collecting control mechanism according to the timing time and the set time. The problem that the collection amount of gas (such as natural gas) needs to be manually controlled, so that the working strength is high and the personal safety is endangered is solved. Specifically, the air flow regulator may be a valve, and the volume entering the collecting cylinder 1 may be calculated according to the opening of the valve and the diameter of the pipe connected to the collecting cylinder 1, and may be set to 4L. The present invention is provided with a flow sensor (not shown in fig. 1) on a line between the air flow adjusting mechanism and the collecting cylinder 1, and the air flow sensor can monitor the air volume entering the collecting cylinder 1. The duration of the gas entering the cartridge 1 is timed by a timing mechanism, such as: the set time is 10 minutes, when the gas entering the collecting cylinder 1 lasts for more than or equal to 10 minutes, the timing mechanism controls the collecting control mechanism to close the communication between the collecting cylinder 1 and the gas source 16, otherwise, the timing mechanism controls the collecting control mechanism to open the communication between the collecting cylinder 1 and the gas source 16, namely, the control state of the collecting control mechanism is an opening and closing amount, 1 represents opening, and 0 represents closing.
in fig. 1, the collection control mechanism includes: the controller 15, the collecting cylinder pressure detection mechanism and the execution mechanism; the collecting cylinder 1 is provided with a collecting cylinder pressure detection mechanism, the collecting cylinder pressure detection mechanism is connected with the input end of the controller 15, and the output end of the controller 15 is connected with the execution mechanism; the collecting cylinder pressure detection mechanism is used for detecting the pressure in the collecting cylinder 1; and the controller 15 is used for controlling whether the actuator disconnects the air source 16 from the collecting cylinder 1 or not according to the pressure and the first preset pressure. Specifically, the collecting cylinder 1 is further connected with a vacuum pump 3, the vacuum pump 3 vacuumizes the collecting cylinder 1, the vacuum pump 3 is in a vacuum state, if the pressure value of the first preset pressure is set to be 0.1Mpa, the pressure value in the collecting cylinder 1 also reflects the volume of the gas in the collecting cylinder 1. When the pressure in the collecting cylinder 1 is greater than or equal to 0.1Mpa, the controller 15 controls the actuating mechanism to disconnect the communication between the collecting cylinder 1 and the air source 16; otherwise, the controller 15 maintains the cartridge 1 in communication with the gas source 16 and the lifting of the gas source 16 allows access to the cartridge 1.
in fig. 1, the cartridge pressure detection mechanism includes: manometer 8 and pressure detection circuit are equipped with manometer 8 on the surge drum 1, and the output of manometer 8 is connected with the input of controller 15 through pressure detection circuit. Specifically, the pressure gauge 8 may be a YB-200 series precision pressure gauge manufactured by Shanghai Automation instruments Co., Ltd, and the YB-200 series precision pressure gauge is suitable for testing industrial common pressure gauges, and can also be used for accurately measuring the pressure of gases and liquids having no corrosion, no crystallization, no precipitation and the like in industry and laboratories. The precision of YB-200 series precision pressure gauge is as follows: ± 0.4% FS, joint thread: m20 × 1.5, use environment conditions: 10-30 ℃ and the relative humidity is not more than 80%. The utility model discloses in, pressure transmitter is also used to the chimney pressure detection mechanism, need not use pressure detection circuit this moment, and pressure transmitter is like the 3351 series capacitive transmitter of the automatic instrument limited company production in the Shanghai, and intelligent 3351 changer has adopted digital technology and special integrated circuit and surface mounting technique, has reduced the volume, has ensured performance and reliability. The series of products not only have the remote communication function, but also have the internal range and the zero setting button, so that the range and parts can be conveniently readjusted on site. The output of the transmitter is linear or square and can be realized by software. In addition, the series of meters can be queried and diagnosed by superimposing a digital communication signal on the 4-20mA transmission signal, while the transmitter can be remotely queried and reconfigured in the control room without interrupting the process output signal. 3151 type transmitters are of a very wide variety which can accurately measure micro-to-macro-differential pressures, low to high pressures, liquid levels, vacuum levels and specific gravities. The flow can be measured by matching with a throttling device, and a squarer is not adopted.
in fig. 1, and/or the actuator is a solenoid valve 6, the output of the controller 15 is connected with the control end of the solenoid valve 6, a pipeline at one end of the solenoid valve 6 is connected with an air source 16, and a pipeline at the other end of the solenoid valve 6 is connected with the collecting cylinder 1 through an air volume adjusting mechanism.
Specifically, if the pressure value of the first preset pressure is set to be 0.1Mpa, when the pressure in the collecting cylinder 1 is greater than or equal to 0.1Mpa, the controller 15 sends a high-level signal (e.g., 5V) to the solenoid valve 6 to control the solenoid valve 6 to close, so as to disconnect the collecting cylinder 1 from the air source 16; otherwise, the controller 15 sends a low signal (e.g., 0V) to the solenoid valve 6, the controller 15 maintains the collection canister 1 in communication with the gas source 16, and the gas source 16 can be lifted into the collection canister 1.
Specifically, the output end of the controller 15 is connected with the electromagnetic valve 6 through a timing mechanism, and the timing mechanism can select the time relay 7; the time relay is a relay which generates a jump change (or contact action) after a specified accurate time elapses from an output circuit when an input action signal is added (or removed), such as an SJ23 series air-type time relay. One end of the coil of the time relay 7 is connected with the output end of the controller 15, and the other end of the coil of the time relay 7 is grounded; one end of the single-pole double-throw of the time relay 7 is grounded, and the other end of the single-pole double-throw of the time relay 7 is connected with the control end of the actuating mechanism (i.e., the electromagnetic valve 6). The other side of the single-pole double-throw of the time relay 7 is at a high level (5V), one end of a coil of the time relay 7, which is initially connected with the output end of the controller 15, is at the high level (5V), if the set time is 10 minutes, when the duration of the gas entering the collecting cylinder 1 is greater than or equal to 10 minutes, the single-pole double-throw end of the time relay 7 is grounded to be connected with the high level, the electromagnetic valve 6 acts, the electromagnetic valve 6 closes the communication between the collecting cylinder 1 and the gas source 16, otherwise, the electromagnetic valve 6 does not act.
In fig. 1, and/or the controller may select a conventional controller such as a single chip microcomputer or a PLC, in the present invention, the controller 15 preferably selects a single chip microcomputer, such as a single chip microcomputer of 89C5X type, which has a plurality of input IO ports and a plurality of output IO ports; the pressure gauge 8 and the pressure detection circuit of the collecting cylinder pressure detection mechanism or the pressure transmitter of the collecting cylinder pressure detection mechanism are connected with the input IO port of the single chip microcomputer, and the alarm circuit 2, the timing mechanism (time relay 7) and the collection control mechanism (electromagnetic valve 6) are connected with the output IO port of the single chip microcomputer. If the model of the single chip microcomputer is selected, the peripheral circuit of the single chip microcomputer can be configured according to the chip manual.
In fig. 1, the alarm circuit 2 is connected to an output of the controller 15; and the controller 15 is used for controlling whether the alarm circuit 2 alarms or not according to the pressure and the second preset pressure. The alarm circuit 2 can select a buzzer alarm circuit, a voice alarm circuit or a sound-light alarm circuit and other conventional alarm circuits. In particular, the second preset pressure is the limit pressure of the collecting cylinder 1, which the skilled person sets himself by the selected collecting cylinder 1.
In fig. 1, an air outlet valve 11 is provided on the collecting cylinder 1, and the air outlet valve 11 is used for discharging the internal gas of the collecting cylinder 1 to the outside of the collecting cylinder 1.
Fig. 2 is a schematic process diagram of a quantitative collecting cylinder for detecting natural gas components according to an embodiment of the present invention. As shown in fig. 2, includes: the timing and quantitative acquisition device is provided; and a vacuum pump 3; the vacuum pump 3 is used for vacuumizing the collecting cylinder 1; wherein the gas source 16 is a natural gas pipeline. Specifically, the vacuum pump 3 performs a vacuum process on the collection tube 1 in advance before the collection tube 1 collects the gas. The collecting cylinder 1 is provided with an air outlet valve 11, and the air outlet valve 11 is used for discharging the internal gas of the collecting cylinder 1 to the outside of the collecting cylinder 1. The alarm circuit 2 is a gas alarm.
In fig. 2, a vacuum pump 3 is connected to the collection cartridge 1 through a one-way valve 4; and the check valve 4 is used for the vacuum pump 3 to remove the gas in the collecting cylinder 1 from the collecting cylinder 1 in a one-way mode.
In fig. 2, the gas source 16 is connected to one end of the collection control mechanism through the gas hose 9, the other end of the collection control mechanism is connected to one end of the gas flow regulating mechanism, and the other end of the gas flow regulating mechanism is connected to the collecting cylinder 1.
in fig. 2, one end of the gas hose 9 has a butt joint 10;
one end of the gas hose 9 is connected with a gas source 16 through a butt joint 10.
Fig. 3 is a schematic layer structure diagram of the collecting cylinder in fig. 1 and fig. 2 according to the embodiment of the present invention. As shown in fig. 3, inside the collecting cylinder 1 are a heat-insulating flame-retardant layer 12 and an anticorrosive layer 13 in this order.
Embodiments of the present invention are described in detail with reference to fig. 1-3: install miniature vacuum pump 3 at 1 top of surge drum through the mounting bracket, and 3 one side of miniature vacuum pump is provided with check valve 4, 1 one side of surge drum installs gas alarm (alarm circuit 2) and gas alarm (alarm circuit 2) one side through the mount pad and installs time relay 7, the air inlet of surge drum 1 has gas filter 5 through the bolt fastening, and gas filter 5 one side is provided with solenoid valve 6, there is governing valve 14 through the pipe connection between gas filter 5 and the solenoid valve 6, 6 one end of solenoid valve is provided with gas hose 9, and 9 one end of gas hose is fixed with butt joint 10 through the clamp, 1 surface of surge drum is provided with thermal-insulated fire-retardant layer 12, and thermal-insulated fire-retardant layer 12 surface is provided with anticorrosive coating 13.
in fig. 1-3, the air inlet end of the small vacuum pump 3 is connected with the air outlet end of the one-way valve 4 through a pipeline, the air inlet end of the one-way valve 4 is connected with the inside of the collecting cylinder 1 through a pipeline, and the one-way valve 4 can prevent the natural gas in the collecting cylinder 1 from flowing out.
In fig. 1-3, the air outlet end of the gas filter 5 is connected to the inside of the collecting cylinder 1 through a pipeline, the air inlet end of the gas filter 5 is connected to the air outlet end of the regulating valve 14 through a pipeline, the air inlet end of the regulating valve 14 is connected to the air outlet end of the electromagnetic valve 6 through a pipeline, and the air inlet end of the electromagnetic valve 6 is connected to one end of the gas hose 9.
In fig. 1-3, the time relay 7 is electrically connected to the solenoid valve 6. The time relay 7 can control the timing switch of the electromagnetic valve 6.
In fig. 1-3, one end of the top of the collecting cylinder 1 is connected with a pressure gauge 8 through a thread groove, the detection end of the pressure gauge 8 is positioned in the collecting cylinder 1, and one end of the collecting cylinder 1 is provided with an air outlet valve 11. The pressure gauge 8 can detect and display the pressure in the collecting cylinder 1, and the gas outlet valve 11 is opened to facilitate the outflow of natural gas.
In the figures 1-3, the electromagnetic valve 6 can be controlled to be opened at regular time by arranging the time relay 7, and the amount of the natural gas entering the collecting cylinder 1 can be controlled by arranging the regulating valve 14, so that the natural gas can be collected at regular time and in fixed quantity. Impurity in the natural gas can be filtered through setting up gas filter 5, can send the reputation to report to the police when detecting the gas leakage through setting up the gas alarm, avoids taking place serious accident. Can effectively fire-retardant, thermal-insulated through setting up thermal-insulated flame retardant coating 12, avoid the high natural gas that leads to of external temperature to explode, thermal-insulated flame retardant coating 12 is made by aerogel felt material, can prevent through setting up anticorrosive coating 13 that the collecting vessel is corroded by corrosive substance, leads to the natural gas to leak, and anticorrosive coating 13 is made by polytetrafluoroethylene material.
It should be noted that, when the utility model works, a person connects the butt joint 10 with a natural gas pipeline or a natural gas storage device, the product is connected with an external power supply by using a power line, the small vacuum pump 3 is opened to completely pump air in the collecting cylinder 1, parameters of the time relay 7 are adjusted, the opening and closing degree of the adjusting valve 14 is rotated, the time relay 7 can control the timing switch of the electromagnetic valve 6, the adjusting valve 14 can control the amount of natural gas entering the collecting cylinder 1, the purpose of collecting natural gas regularly and quantitatively is achieved, the natural gas can be filtered by the gas filter 5 (a product of Tai filtration equipment Limited company in Guan county) before entering the collecting cylinder 1, the gas filter 5 can filter out impurities in the natural gas, the pressure gauge 8 can detect and display the pressure in the collecting cylinder 1, the gas alarm 2 (a product of Shenzhen Cii Anxin electronics Limited company) can send out sound and light to alarm when detecting the leakage of the natural gas, avoid the birth serious accident, thermal-insulated flame retardant coating 12 is made by aerogel felt material, can be effectively fire-retardant, thermal-insulated, avoids external temperature too high, leads to the natural gas to explode, and anticorrosive coating 13 is made by polytetrafluoroethylene material, can prevent that collecting vessel 1 from being corroded by corrosive substance, leads to the natural gas to leak.
The above-mentioned embodiments are merely embodiments for expressing the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions, modifications, etc. can be made without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. a timing and quantitative acquisition device is characterized by comprising:
A collecting cylinder (1);
The collecting cylinder (1) is connected with an air source (16) through a collecting control mechanism and an air quantity regulating mechanism, the collecting cylinder (1) is also connected with a timing mechanism, and the timing mechanism is also connected with the collecting control mechanism;
The collection control mechanism is used for controlling whether the gas of the gas source (16) enters the collection cylinder (1);
The air quantity regulating mechanism is used for regulating the air quantity of the air source (16) entering the collecting cylinder (1);
The timing mechanism is used for timing the air inlet entering the collecting cylinder (1) so as to control the on-off of the collecting control mechanism.
2. the timing and quantitative acquisition device as claimed in claim 1, wherein:
The collection control mechanism includes: the device comprises a controller (15), a collecting cylinder pressure detection mechanism and an execution mechanism;
A collecting cylinder pressure detection mechanism is arranged on the collecting cylinder (1), the collecting cylinder pressure detection mechanism is connected with the input end of the controller (15), and the output end of the controller (15) is connected with the execution mechanism;
the collecting cylinder pressure detection mechanism is used for detecting the pressure in the collecting cylinder (1);
the controller (15) is used for controlling whether the actuator disconnects the air source (16) from the collecting cylinder (1) or not according to the pressure and a first preset pressure.
3. A timing and quantitative collecting device according to claim 2, characterized in that:
collection section of thick bamboo pressure measurement mechanism includes: the pressure gauge (8) is arranged on the collecting cylinder (1), and the output end of the pressure gauge (8) is connected with the input end of the controller (15) through the pressure detection circuit; and/or
the execution mechanism is an electromagnetic valve (6), the output of the controller (15) is connected with the control end of the electromagnetic valve (6), a pipeline at one end of the electromagnetic valve (6) is connected with the gas source (16), and a pipeline at the other end of the electromagnetic valve (6) is connected with the collecting cylinder (1) through the gas flow regulating mechanism; and/or
The controller (15) is a single chip microcomputer.
4. A timing and quantitative collection device according to claim 2, further comprising:
An alarm circuit (2);
The alarm circuit (2) is connected with the output end of the controller (15);
And the controller (15) is used for controlling whether the alarm circuit (2) alarms or not according to the pressure and a second preset pressure.
5. A timing and quantitative collecting device according to claim 2, characterized in that:
The timing mechanism is a time relay (7);
One end of the coil of the time relay (7) is connected with the output end of the controller (15), and the other end of the coil of the time relay (7) is grounded;
One end of the single-pole double-throw of the time relay (7) is grounded, and the other end of the single-pole double-throw of the time relay (7) is connected with the control end of the actuating mechanism.
6. a timing and quantitative collection device according to any one of claims 1 to 5, characterized in that:
The collecting cylinder (1) is provided with an air outlet valve (11), and the air outlet valve (11) is used for discharging the internal gas of the collecting cylinder (1) to the outside of the collecting cylinder (1); and/or
the inner side of the collecting cylinder (1) is sequentially provided with a heat-insulating flame-retardant layer (12) and an anticorrosive layer (13).
7. a quantitative collecting cylinder for detecting natural gas components is characterized by comprising:
A timed and quantitative collection device according to any one of claims 1 to 6; and
a vacuum pump (3);
The vacuum pump (3) is used for vacuumizing the collecting cylinder (1);
Wherein the gas source (16) is a natural gas pipeline.
8. The quantitative collecting cylinder for detecting the natural gas component according to claim 7, wherein:
The vacuum pump (3) is connected with the collecting cylinder (1) through a one-way valve (4);
The one-way valve (4) is used for the vacuum pump (3) to remove the gas in the collecting cylinder (1) from the collecting cylinder (1) in one way.
9. the quantitative collecting cylinder for the detection of natural gas components according to claim 7 or 8, wherein:
the gas source (16) is connected with one end of the collection control mechanism through a gas hose (9), the other end of the collection control mechanism is connected with one end of the gas flow regulating mechanism through a pipeline, and the other end of the gas flow regulating mechanism is connected with the collecting cylinder (1).
10. The quantitative collecting cylinder for detecting the natural gas component according to claim 9, wherein:
One end of the gas hose (9) is provided with a butt joint (10);
One end of the gas hose (9) is connected with a gas source (16) through the butt joint (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449630.5U CN209764524U (en) | 2019-04-04 | 2019-04-04 | timing and quantitative acquisition device and quantitative collecting cylinder for natural gas component detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449630.5U CN209764524U (en) | 2019-04-04 | 2019-04-04 | timing and quantitative acquisition device and quantitative collecting cylinder for natural gas component detection |
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| CN209764524U true CN209764524U (en) | 2019-12-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415587A (en) * | 2022-01-20 | 2022-04-29 | 中国科学院上海高等研究院 | Adiabatic vacuum data acquisition control system and method for test station |
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2019
- 2019-04-04 CN CN201920449630.5U patent/CN209764524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415587A (en) * | 2022-01-20 | 2022-04-29 | 中国科学院上海高等研究院 | Adiabatic vacuum data acquisition control system and method for test station |
| CN114415587B (en) * | 2022-01-20 | 2023-09-29 | 中国科学院上海高等研究院 | Testing station heat insulation vacuum data acquisition control system and method |
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