CN219434442U - Gas vacuum collector - Google Patents
Gas vacuum collector Download PDFInfo
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- CN219434442U CN219434442U CN202122062328.4U CN202122062328U CN219434442U CN 219434442 U CN219434442 U CN 219434442U CN 202122062328 U CN202122062328 U CN 202122062328U CN 219434442 U CN219434442 U CN 219434442U
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Abstract
The utility model belongs to the technical field of environmental protection gas analysis, and particularly relates to a gas vacuum acquisition instrument. The gas vacuum acquisition instrument comprises a sealing device, a vacuum container and a control box body; one end of the vacuum container is provided with a sealing device, and the other end of the vacuum container is provided with a control box body; the sealing device consists of a Teflon hard tube, a gas sampling passage fastener and a large cover, wherein the Teflon hard tube penetrates through the large cover and enters the vacuum container, and the gas sampling passage fastener is used for sealing and fixing the periphery of the Teflon hard tube. The control box body is provided with a power switch, a charging socket, a time relay, a pump and a rechargeable lithium battery. The equipment can meet the caliber of a domestic PTFE film sampling bag and adapt to various sampling bags, thereby greatly reducing the cost of the air bag; the collection container and the control device are integrated, so that the sampling working efficiency is greatly improved, and contribution is made to the development of the environment-friendly industry in China.
Description
Technical Field
The utility model belongs to the technical field of environmental protection gas analysis, and particularly relates to a portable gas vacuum acquisition instrument.
Background
The portable vacuum gas collector is a device for collecting gas samples on site for completing gas analysis in the environment-friendly field; at present, most of vacuum gas collection equipment manufactured by Odornet GmBH company in Germany is introduced, and the sealing cylinder diameter of the equipment is smaller than the diameter of PTFE film sampling bags produced in large scale at present in China, so that the equipment cannot be used, and only imported PTFE film sampling bags can be matched; meanwhile, in the sampling process, the air bag is easy to be inflated due to the fact that the air bag is controlled by eyes of people, and the gas collection cost is increased.
Disclosure of Invention
In order to solve the problems, the utility model provides a gas vacuum acquisition instrument. The equipment can meet the caliber of a domestic PTFE film sampling bag and adapt to various sampling bags, thereby greatly reducing the cost of the air bag and the application range of instruments; the portable gas vacuum acquisition instrument is provided with the independent direct current power supply device, so that the acquisition work of an outdoor place is greatly facilitated, and meanwhile, the time relay is installed, the risk of the air bag being broken in the working process is prevented, and the labor is saved.
In order to achieve the purpose, the portable gas vacuum acquisition instrument adopts the following technical scheme that the portable gas vacuum acquisition instrument comprises a sealing device, a vacuum container and a control box body;
one end of the vacuum container is provided with a sealing device, and the other end of the vacuum container is provided with a control box body;
the sealing device consists of a Teflon hard tube, a gas collection channel fastener and a large cover, wherein the Teflon hard tube penetrates through the large cover and enters the vacuum container, the gas collection channel fastener is used for sealing around the Teflon hard tube, and gas leakage between the periphery of the Teflon hard tube and the gas collection channel during gas collection is avoided.
And a power switch, a charging socket, a time relay, an air pump and a rechargeable lithium battery are arranged in the control box body.
Further, a lifting handle and a lifting handle base are arranged on the same side of the vacuum container and the control box body, wherein the lifting handle base is respectively arranged on the side walls of the vacuum container and the control box body, and two ends of the lifting handle are connected with the lifting handle base.
Further, for the convenience of visual inspection, a Polycarbonate (PC) large-caliber cylinder with good transparency is used for the vacuum container.
Further, the air pump is a gas vacuum air pump, and an independent direct current power supply device is adopted to supply power to the vacuum air pump. The direct current power supply device is provided with a rechargeable lithium battery for supplying power to the vacuum air pump, and an external power supply is not needed.
The beneficial effects are that:
(1) The vacuum container of the device adopts a large-caliber PC cylinder, is suitable for domestic PTFE films and various sampling bags, greatly improves the efficiency of sampling work, and increases the application range of the device.
(2) Through the evacuation to the vacuum vessel, this gas of sampling only flows into the sampling bag through the sampling pipe, can not pass through air pump and other equipment, and the part that contacts with the sample gas only has teflon hard tube, the silica gel hose, does not exert an influence to the sample gas composition of gathering.
(3) The device is provided with the time relay, the collection time is set for various sampling bags before delivery, a user can select the sampling time according to the type and specification of the sampling bags, the sampling device can be automatically closed after the sampling bags are filled with gas, the air bags are prevented from being broken when the sampling bags are in a collection state, the efficiency of sampling work is improved, and manpower is saved.
(4) The vacuum air pump of the device uses an independent direct current power supply device, does not need an external power supply, and is convenient to operate and carry.
(5) Compared with the existing gas collector, the device has a simple structure, can use various sampling bags, integrates the collection container and the control device, effectively reduces the production and collection cost, greatly improves the efficiency of sampling work, and contributes to the development of the environment-friendly industry in China.
Drawings
Fig. 1 is a schematic structural view of a gas vacuum collector according to the present utility model.
Wherein, 1 Teflon hard tube, 2 gas collecting channel fastener, 3, big cover, 4, vacuum container, 5, handle base, 6, handle, 7, a power switch, 8, a charging socket, 9, a time relay, 10, a control box body, 11, an air pump, 12 and a rechargeable lithium battery.
Detailed Description
The present utility model is described in detail below by way of specific examples, but the scope of the present utility model is not limited thereto. In the embodiments described below, various types of sampling bags may be used; such as: taderler sampling bag (+.5 liter), polyester sampling bag (+.10 liter), aluminum foil sampling bag (+.5 liter), etc.; the collection time (70% -80% of the bag is filled with gas at the moment) is set for various sampling bags in a test before delivery, a user can select the sampling time according to the type and specification of the sampling bag, and the sampling device can be automatically closed after the sampling bag is filled with gas.
Example 1
The portable gas vacuum acquisition instrument comprises a sealing device, a vacuum container 4 and a control box body 10; the vacuum container adopts a PC large-caliber cylinder with good transparency effect.
A sealing device is arranged at one end of the vacuum container 4, and a control box body 10 is arranged at the other end of the vacuum container 4;
the sealing device comprises a Teflon hard tube 1, a gas sampling passage fastener 2 and a large cover 3, wherein the Teflon hard tube 1 penetrates through the large cover 3 and enters a vacuum container 4, and the gas sampling passage fastener 2 is used for sealing and fixing the Teflon hard tube 1. The control box 10 is provided with a power switch 7, a charging socket 8, a time relay 9, an air pump 11 and a rechargeable lithium battery 12.
On the same side of the vacuum container 4 and the control box 10, a handle 6 and a handle base 5 are arranged, wherein the handle base 5 is respectively arranged on the side walls of the vacuum container 4 and the control box 10, and two ends of the handle 6 are connected with the handle base 5.
The air pump 11 is a vacuum air pump, and an independent direct current power supply device is used for supplying power to the vacuum air pump. The direct current power supply device is provided with a rechargeable lithium battery for supplying power, and an external power supply is not needed. The lithium battery is connected with the charging socket 8.
When in the acquisition state: by evacuating the sealed vacuum vessel 4, the sampled gas flows into the sampling bag only through the connecting tube, and not through the air pump and other equipment. The part contacted with the sample gas is only a Teflon hard tube and a silica gel hose, and the collected sample gas component is not influenced.
Example 2
The specific operation steps of the gas vacuum acquisition instrument are described in detail as follows:
(1) The gas collecting channel fastener 2 at the upper end of the large collecting cover 3 is unscrewed anticlockwise, and the large collecting cover 3 is detached;
(2) Inserting a Teflon hard tube on the polyester film sampling bag into the air inlet and air collecting channel fastener 2 from the lower end of the large cover 3 until the Teflon hard tube extends out of a round hole at the top end of the air collecting channel fastener 2, wherein the extending length of the Teflon hard tube is determined by a user according to specific operation requirements;
(3) The fastener 2 of the gas production channel is twisted clockwise, so that the Teflon hard tube is clamped to avoid peripheral air leakage;
(4) Placing the sampling bag into a vacuum container 4;
(5) The large cover 3 is covered on the vacuum container 4, and the large cover 3 is fixed by buckles at two sides;
(6) The Teflon hard tube extending out of the top end of the gas collection channel fastener 2 is connected into a container for collecting gas;
(7) The corresponding set time is detected according to the type and specification of the sampling bag used by the user, the time relay 9 is set, and the power switch 7 is in a closed state at the moment;
(8) The power switch 7 is turned on to start collecting the sample gas;
(9) When the sampling bag is filled with 70-80% of sample gas, the vacuum air pump 11 of the collector is automatically turned off when the set time is reached;
(10) After the sample gas is collected, the Teflon hard tube 1 is pulled out of a container for collecting the sample gas, and the orifice of the Teflon hard tube 1 is plugged by a silica gel plug;
(11) When analysis and detection are needed, firstly loosening the gas sampling channel fastener 2, extracting the Teflon hard tube 1 on the sampling bag from the gas sampling channel fastener 2 at the lower end of the large cover 3, taking the sampling bag out of the vacuum container 4, plugging the tube orifice of the Teflon hard tube 1 by using a silica gel plug, and returning to a laboratory for analysis and detection;
(12) If the Taderler sampling bag or the aluminum foil sampling bag is used, the gas sampling channel fastener 2 is inserted into the Teflon hard tube for fastening, the lower end of the large cover 3 is connected with the Teflon hard tube 1 by a soft silicone tube, the other end of the soft silicone tube is connected with a plastic valve of the Taderler sampling bag or the aluminum foil sampling bag (the valve is opened in advance), and then the sampling work can be carried out.
(13) The gas vacuum collector should be charged frequently so as to avoid the influence of insufficient electric quantity on work during outgoing operation.
(14) If the device is not used for a long time, the device should be charged and discharged once per month so as to prolong the service life of the battery.
(15) After each collection operation is finished, whether the power switch is turned off is checked.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (1)
1. The gas vacuum acquisition instrument is characterized by being portable and comprising a sealing device, a vacuum container (4) and a control box body (10);
one end of the vacuum container (4) is provided with a sealing device, and the other end of the vacuum container (4) is provided with a control box body (10);
the sealing device consists of a Teflon hard tube (1), a gas collection channel fastener (2) and a large cover (3), wherein the Teflon hard tube (1) passes through the large cover (3) and enters the vacuum container (4), and the gas collection channel fastener (2) is used for sealing the periphery of the Teflon hard tube (1);
the control box body (10) is provided with a power switch (7), a charging socket (8), a time relay (9), an air pump (11) and a rechargeable lithium battery (12);
a lifting handle (6) and a lifting handle base (5) are arranged on the same side of the vacuum container (4) and the control box body (10), wherein the lifting handle bases (5) are respectively arranged on the side walls of the vacuum container (4) and the control box body (10), and two ends of the lifting handle (6) are connected with the lifting handle bases (5);
the vacuum container (4) adopts a polycarbonate large-caliber cylinder;
the air pump (11) is a gas vacuum pump;
the two sides of the big cover (3) are also provided with buckles.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432731 | 2020-10-28 | ||
| CN2020224327317 | 2020-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219434442U true CN219434442U (en) | 2023-07-28 |
Family
ID=87339799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122062328.4U Active CN219434442U (en) | 2020-10-28 | 2021-08-30 | Gas vacuum collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219434442U (en) |
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2021
- 2021-08-30 CN CN202122062328.4U patent/CN219434442U/en active Active
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