Standard gas diluting device

Abstract

The utility model discloses a standard gas diluting device, which belongs to the technical field of gas diluting devices and comprises a diluting bin, a bin cover detachably connected onto the diluting bin, a plurality of guide rods fixedly arranged in the diluting bin, a remote control movable plug valve arranged on the diluting bin in a sliding manner and used for dividing the diluting bin into a standard gas bin and a diluting gas bin, and a left bin gas circuit assembly, and the right bin gas path assembly is communicated with the dilution gas bin and controls the gas to enter and exit. According to the technical scheme, in the gas dilution device, standard gas to be diluted is introduced into a standard gas bin, dilution gas is introduced into a dilution gas bin, and a remote control movable plug valve can be pushed by the gas to slide in the dilution bin, so that the proportion of the standard gas bin and the dilution gas bin, namely the volume of the standard gas and the volume of the dilution gas participating in mixing, are adjusted; and after the proportioning adjustment is completed, the remote control movable plug valve is opened, so that the mixed dilution of the gas can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas dilution device technical field, specifically a standard gas dilution device. BACKGROUND

[0002] Standard gas dilution is an important link in the preparation of gas standard substance, mainly gradually diluting high-concentration standard gas to the required concentration. Standard gas dilution has wide application value in many fields, including but not limited to: environmental monitoring, used for calibrating atmospheric environmental monitoring instruments to ensure the accuracy and reliability of monitoring data; petroleum and chemical industry, monitoring the gas composition and concentration generated in the process to optimize the production process; power energy, monitoring the flue gas composition generated in the combustion process of the boiler of the thermal power plant; medicine and health, calibrating the gas analyzer in medical equipment to ensure the accuracy and reliability of medical equipment; scientific research field, providing accurate gas standard for scientific research, used for studying the rules of gas source, distribution and transformation.

[0003] The utility model discloses a standard gas dilution device, the mixing assembly for agitating the gas in the dilution tank inner chamber bottom of this utility model can guarantee the mixing effect of the gas dilution injection, improve the uniformity of the gas dilution, guarantee the quality of the use gas, and can conveniently disassemble and assemble the dilution device, clean it, facilitate the convenience of subsequent use, and guarantee the use effect.

[0004] But the above-mentioned gas dilution device, only through the dilution tank as the dilution container, does not involve the measure of controlling the dilution degree, it is difficult to complete the dilution work of specific concentration, the user needs to rely on the external accurate gas supply system, can only dilute the standard gas to be diluted into a specific concentration, has higher use cost and operation difficulty, therefore, aiming at the above problem, a standard gas dilution device is presented. Utility model content

[0005] The utility model wants to solve the technical problem to provide a kind of standard gas dilution device, the dilution bin of the gas dilution device includes standard gas bin and dilution gas bin, standard gas bin is passed into the standard gas to be diluted, dilution gas is passed into dilution gas, such as helium, and remote control movable plug valve can be pushed by gas in dilution bin and slide, to adjust the proportion of standard gas bin and dilution gas bin, i.e. the volume of standard gas and dilution gas involved in mixing, so that the gas dilution operation of specific concentration can be carried out, when ratio adjustment is completed, open remote control movable plug valve to realize the mixed dilution of gas, simultaneously, in the sliding process of remote control movable plug valve, the scale line value corresponding to identification line is also synchronously changed, and operator can accurately judge the distribution of two gas bins, improve the accuracy of operation, solve the dilution device difficult to complete the dilution work of specific concentration in comparative technology, need to use external accurate gas supply system to dilute the standard gas to be diluted into specific concentration, thus have higher use cost and the technical problem of operation difficulty.

[0006] The technical scheme adopted by the embodiment of the present application to solve the technical problems thereof is:

[0007] A standard gas dilution device includes a dilution bin, a bin cover is detachably connected to the dilution bin, a plurality of guide rods are fixedly arranged in the dilution bin, a remote control movable plug valve is slidably arranged on the guide rods, the dilution bin is divided into a standard gas bin and a dilution gas bin by the remote control movable plug valve, a left bin gas path assembly is connected to the standard gas bin to control the inflow and outflow of gas, and a right bin gas path assembly is connected to the dilution gas bin to control the inflow and outflow of gas. In the gas dilution device, the standard gas to be diluted is passed into the standard gas bin, and the dilution gas, such as helium, is passed into the dilution gas bin. The remote control movable plug valve can slide in the dilution bin under the push of gas, so as to adjust the proportion of the standard gas bin and the dilution gas bin, i.e. the volume of the standard gas and the dilution gas involved in mixing. Therefore, the gas dilution operation of specific concentration can be carried out. When the ratio adjustment is completed, the remote control movable plug valve is opened to realize the mixed dilution of gas.

[0008] In the dilution bin, a groove is formed in the side surface, a transparent plate is embedded in the groove in a sealed manner, scale lines are drawn on the transparent plate, a slide plate close to the transparent plate is installed on the remote control movable plug valve, and an identification line facing the scale lines is arranged on the slide plate. During the sliding process of the remote control movable plug valve, the slide plate arranged thereon also moves, so that the scale line value corresponding to the identification line also changes synchronously. Therefore, the operator can accurately judge the distribution of the two gas bins, and the accuracy of operation is improved.

[0009] In a possible implementation, the remote control active plug valve comprises a valve seat and a valve cover spliced with the valve seat, both of which are externally provided with sealing rings and both of which are provided with air vents, and the valve seat and the valve cover are internally provided with an electric valve assembly for shielding or opening the air vents; when gas is being proportioned, the electric valve assembly closes the air vents, at which time the standard gas tank and the dilution gas tank are isolated from each other, facilitating the proportioning of the gas; when the proportioning is completed, the electric valve assembly opens the air vents, at which time the two gas tanks are in communication, and the proportioned standard gas and dilution gas can be mixed, achieving the dilution effect.

[0010] In a possible implementation, the electric valve assembly comprises a sliding valve plate slidingly arranged to shield the air vents, the sliding of the sliding valve plate can control the opening and closing of the air vents, and the sliding valve plate is fixedly provided at the end with symmetrically arranged sliding rods, and the valve seat and the valve cover are internally provided with grooves for the sliding rods to slide, which can improve the stability of the sliding valve plate during sliding, so that the sliding valve plate is not easy to deviate during sliding.

[0011] In a possible implementation, a circular groove is formed in the middle of the valve seat, and a driving turntable is rotationally arranged in the circular groove, symmetrically arranged connecting rods are rotationally connected to the driving turntable, and the other ends of the connecting rods are rotationally connected to the corresponding sliding valve plates; when the driving turntable rotates, the connecting rods can be pushed and pulled to move, and the movement of the connecting rods can push and pull the sliding valve plates to slide, thereby achieving the opening and closing of the air vents.

[0012] In a possible implementation, a stepper motor is fixedly installed on the outer side of the valve seat, the output shaft of the stepper motor is in transmission connection with the driving turntable, and a controller and a battery block are installed on the outer side of the valve seat; the controller, the battery block and the stepper motor are connected by wires; an operator can control the stepper motor to work by controlling the controller, so that the driving turntable rotates as required to complete the opening and closing of the sliding valve plate.

[0013] In a possible implementation, the left tank gas path assembly comprises a left gas inlet pipe and a left gas outlet pipe in communication with the standard gas tank, and a left one-way valve is installed on each of the left gas inlet pipe and the left gas outlet pipe; the left gas inlet pipe can only allow the input of gas, and the left gas outlet pipe can only allow the output of gas, so as to accurately control the entry of gas and facilitate the efficient performance of the deployment work.

[0014] In a possible implementation, the right tank gas path assembly comprises a right gas inlet pipe and a right gas outlet pipe in communication with the dilution gas tank, and a right one-way valve is installed on each of the right gas inlet pipe and the right gas outlet pipe; the right gas inlet pipe can only allow the input of gas, and the right gas outlet pipe can only allow the output of gas, so as to accurately control the entry of gas and facilitate the efficient performance of the deployment work.

[0015] In a possible implementation, the standard gas chamber and the dilution gas chamber are both provided with a gas pressure sensor, which can detect the gas pressure value of the corresponding chamber, and the volume information of the corresponding chamber can be combined to more accurately reflect the actual volume of the gas in the chamber, improve the accuracy of the proportioning, and the standard gas chamber and the dilution gas chamber are both provided with a mixing fan, which can move the gas flow to make the mixing of the standard gas and the dilution gas more uniform.

[0016] In summary, the utility model has the following beneficial technical effects:

[0017] The dilution chamber of the gas dilution device includes a standard gas chamber and a dilution gas chamber, the standard gas chamber is connected to the standard gas to be diluted, the dilution gas chamber is connected to the dilution gas such as helium, and the remote control movable plug valve can slide in the dilution chamber under the action of the gas to adjust the proportion of the standard gas chamber and the dilution gas chamber, that is, the volume of the standard gas and the dilution gas participating in the mixing, so that the gas dilution operation of a specific concentration can be performed, and when the proportioning is completed, the mixed dilution of the gas can be realized by opening the remote control movable plug valve.

[0018] In addition, during the sliding process of the remote control movable plug valve, the slide plate arranged thereon also moves, so that the scale value of the identification line also changes synchronously, and the operator can accurately judge the distribution of the two gas chambers, and the operation accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a top view of the internal structure of the utility model;

[0022] Figure 3 It is a partial structure schematic view of the utility model;

[0023] Figure 4 It is a structure schematic view of the gas circuit assembly of the utility model;

[0024] Figure 5 It is a structure schematic view of the remote control movable plug valve of the utility model;

[0025] Figure 6 It is a structure schematic view of the electric valve assembly of the utility model;

[0026] Figure 7 It is a driving structure schematic view of the driving turntable of the utility model.

[0027] In the diagram: 1. Dilution chamber; 11. Standard gas chamber; 12. Dilution gas chamber; 2. Guide rod; 3. Remote control movable plug valve; 31. Valve seat; 32. Valve cover; 33. Sealing ring; 34. Vent; 35. Electric valve assembly; 351. Sliding valve plate; 352. Sliding rod; 353. Drive turntable; 354. Connecting rod; 355. Stepper motor; 356. Controller; 357. Battery block; 4. Left chamber air circuit assembly; 41. Left air inlet pipe; 42. Left air outlet pipe; 43. Left one-way valve; 5. Right chamber air circuit assembly; 51. Right air inlet pipe; 52. Right air outlet pipe; 53. Right one-way valve; 6. Pressure sensor; 7. Mixing fan; 8. Transparent plate; 81. Scale line; 82. Swivel plate; 83. Marker line. Detailed Implementation

[0028] The technical solution in this application embodiment is to solve the problems mentioned in the background art, and the overall idea is as follows:

[0029] like Figure 1 - Figure 3 As shown, this embodiment provides a standard gas dilution device, including a dilution chamber 1 with a detachable cover. Several guide rods 2 are fixedly installed in the chamber, and a remote-controlled movable stop valve 3 is slidably installed on them. The remote-controlled movable stop valve 3 divides the dilution chamber 1 into a standard gas chamber 11 and a dilution gas chamber 12. A left chamber gas path assembly 4 is connected to the standard gas chamber 11 to control the gas inlet and outlet, and a right chamber gas path assembly 5 is connected to the dilution gas chamber 12 to control the gas inlet and outlet. In this gas dilution device, the standard gas to be diluted is introduced into the standard gas chamber 11, and the dilution gas, such as helium, is introduced into the dilution gas chamber 12. The remote-controlled movable stop valve 3 can slide within the dilution chamber 1 under the push of the gas, thereby adjusting the proportion of the standard gas chamber 11 and the dilution gas chamber 12, that is, the volume of the standard gas and the dilution gas participating in the mixing. This allows for the dilution of a specific concentration of gas. After the ratio adjustment is completed, opening the remote-controlled movable stop valve 3 can realize the mixing and dilution of the gas.

[0030] The dilution chamber 1 has a groove on its side, in which a sealed transparent plate 8 is embedded. The transparent plate 8 has scale lines 81 drawn on it. A sliding plate 82 close to the transparent plate 8 is installed on the remote-controlled movable plug valve 3. The sliding plate 82 has a marking line 83 facing the scale line 81. When the remote-controlled movable plug valve 3 slides, the sliding plate 82 on it will also move, so the value of the scale line 81 corresponding to the marking line 83 will also change synchronously. The operator can accurately judge the distribution of the two gas chambers and improve the accuracy of the operation.

[0031] like Figure 5 - Figure 7As shown, the remote control movable plug valve 3 comprises a valve seat 31 and a valve cover 32 spliced with the valve seat 31, both of which are externally sleeved with a sealing ring 33, and both of which are provided with a vent 34, and the valve seat 31 and the valve cover 32 are internally provided with an electric valve assembly 35, which is used to block or open the vent 34. When the gas is mixed, the electric valve assembly 35 closes the vent 34, at which time the standard gas tank 11 and the dilution gas tank 12 are isolated from each other, facilitating the mixing of the gas. When the mixing is completed, the electric valve assembly 35 opens the vent 34, at which time the two gas tanks are in communication with each other, and the mixed standard gas and dilution gas can be mixed with each other to achieve the dilution effect.

[0032] As shown in the figure, the electric valve assembly 35 comprises a sliding valve plate 351 which is slidingly arranged to cover the vent 34, and the sliding of the sliding valve plate 351 can control the opening and closing of the vent 34, and the end of the sliding valve plate 351 is fixedly provided with symmetrically arranged sliding rods 352. The valve seat 31 and the valve cover 32 are internally provided with grooves for the sliding of the sliding rods 352. This structure can improve the stability of the sliding valve plate 351 during sliding, so that it is not easy to deviate during sliding. In addition, a circular groove is formed in the middle of the valve seat 31, and a driving turntable 353 is rotatably arranged in the circular groove. The driving turntable 353 is rotatably connected with symmetrically arranged connecting rods 354, and the other end of the connecting rods 354 is rotatably connected with the corresponding sliding valve plate 351. When the driving turntable 353 rotates, it can push and pull the connecting rods 354 to move, and the movement of the connecting rods 354 can push and pull the sliding valve plate 351 to slide, so as to realize the opening and closing of the vent 34. In order to drive the driving turntable 353, a stepping motor 355 is fixedly installed on the outer side of the valve seat 31, and the output shaft of the stepping motor 355 is in transmission connection with the driving turntable 353. At the same time, a controller 356 and a battery block 357 are installed on the outer side of the valve seat 31. The controller 356, the battery block 357 and the stepping motor 355 are connected by wires. The operator can remotely control the controller 356 to control the stepping motor 355 to work, so as to make the driving turntable 353 rotate as required, and complete the opening and closing of the sliding valve plate 351.

[0033] As shown in the figure, Figure 4 The left tank gas path assembly 4 comprises a left gas inlet pipe 41 and a left gas outlet pipe 42 which are in communication with the standard gas tank 11. The left gas inlet pipe 41 and the left gas outlet pipe 42 are both provided with a left one-way valve 43. The left gas inlet pipe 41 can only allow the input of gas, and the left gas outlet pipe 42 can only allow the output of gas, so as to accurately control the entry of gas and facilitate the efficient performance of the adjustment work. The right tank gas path assembly 5 comprises a right gas inlet pipe 51 and a right gas outlet pipe 52 which are in communication with the dilution gas tank 12. The right gas inlet pipe 51 and the right gas outlet pipe 52 are both provided with a right one-way valve 53. The right gas inlet pipe 51 can only allow the input of gas, and the right gas outlet pipe 52 can only allow the output of gas, so as to accurately control the entry of gas and facilitate the efficient performance of the adjustment work.

[0034] As shown in the figure, Figure 2As shown, the standard gas tank 11 and the dilution gas tank 12 are both provided with the air pressure sensor 6, which can detect the air pressure value of the corresponding tank, and the volume information of the corresponding tank, so that the actual volume of the gas in the current tank can be more accurately reflected, the accuracy of the proportioning is improved, and the mixing fan 7 is arranged in the standard gas tank 11 and the dilution gas tank 12, and the mixing fan 7 can move the air flow, so that the mixing of the standard gas and the dilution gas is more uniform.

[0035] The use principle and use process of the utility model are as follows:

[0036] The dilution tank 1 of the gas dilution device comprises a standard gas tank 11 and a dilution gas tank 12, the standard gas tank 11 is provided with the standard gas to be diluted, the dilution gas tank 12 is provided with the dilution gas such as helium, and the remote control movable plug valve 3 can slide in the dilution tank 1 under the action of the gas, so as to adjust the proportion of the standard gas tank 11 and the dilution gas tank 12, that is, the volume of the standard gas and the dilution gas participating in the mixing, so that the gas dilution operation of a specific concentration can be carried out, when the proportioning is completed, the remote control movable plug valve 3 is opened, and the mixing and dilution of the gas can be realized; during the sliding process of the remote control movable plug valve 3, the movable plate 82 arranged thereon also moves, so that the scale line 81 value corresponding to the identification line 83 also changes synchronously, and the operator can accurately judge the distribution of the two gas tanks, and the operation accuracy is improved.

[0037] In the electric valve assembly 35, when the driving disc 353 rotates, the connecting rod 354 can be pushed and pulled to move, and the movement of the connecting rod 354 can push and pull the sliding valve plate 351 to slide, so as to realize the opening and closing of the air inlet 34; in order to drive the driving disc 353, the step motor 355 is fixedly arranged on the outer side of the valve seat 31, the output shaft of the step motor 355 is in transmission connection with the driving disc 353, and the controller 356 and the battery block 357 are arranged on the outer side of the valve seat 31, the operator can remotely control the step motor 355 to work through the controller 356, so that the driving disc 353 rotates as required, and the opening and closing of the sliding valve plate 351 is completed.

[0038] The standard gas tank 11 and the dilution gas tank 12 are both provided with the air pressure sensor 6, which can detect the air pressure value of the corresponding tank, and the volume information of the corresponding tank, so that the actual volume of the gas in the current tank can be more accurately reflected, the accuracy of the proportioning is improved, and the mixing fan 7 is arranged in the standard gas tank 11 and the dilution gas tank 12, and the mixing fan 7 can move the air flow, so that the mixing of the standard gas and the dilution gas is more uniform.

[0039] Finally, it should be noted that: apparently, the above embodiments are merely examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to exhaust all the implementation. The obvious changes or variations derived from it are still within the protection scope of the utility model.

Claims

1. A standard gas dilution apparatus characterized by, The utility model relates to a dilution bin (1) is detachably connected with bin cover, is fixedly arranged with a plurality of guide rod (2) in bin, is slidably arranged with remote control movable plug valve (3) on guide rod (2), and remote control movable plug valve (3) divides dilution bin (1) into standard gas bin (11) and dilution gas bin (12), left bin gas path subassembly (4) is communicated with standard gas bin (11), controls gas to go in and out, right bin gas path subassembly (5) is communicated with dilution gas bin (12), controls gas to go in and out, wherein the dilution bin (1) side is provided with the slot, wherein the transparent plate (8) of close connection is embedded, the scale line (81) is drawn on the transparent plate (8), and the abutment plate (82) close to the transparent plate (8) is installed on remote control movable plug valve (3), which is provided with the identification line (83) towards the scale line (81). The remote control movable plug valve (3) includes a valve seat (31) and a valve cover (32) spliced with the valve seat (31), both of which are provided with a sealing ring (33), and both of which are provided with an air vent (34), and the valve seat (31) and the valve cover (32) are provided with an electric valve assembly (35) inside, which is used to block or open the air vent (34). The electric valve assembly (35) includes a sliding valve plate (351) slidably arranged to cover the air vent (34), and the sliding valve plate (351) is fixedly provided with symmetrically arranged sliding rods (352) at the end, and the valve seat (31) and the valve cover (32) are provided with grooves for the sliding rods (352) to slide. The valve seat (31) is provided with a circular groove in the middle, and a driving turntable (353) is rotatably arranged in the circular groove, and the driving turntable (353) is rotatably connected with symmetrically arranged connecting rods (354), and the other end of the connecting rod (354) is rotatably connected with the corresponding sliding valve plate (351). The valve seat (31) is fixedly installed with a stepping motor (355) on the outer side, and the output shaft of the stepping motor (355) is in transmission connection with the driving turntable (353), and the valve seat (31) is installed with a controller (356) and a battery block (357) on the outer side, and the controller (356), the battery block (357) and the stepping motor (355) are connected by wires.

2. A standard gas dilution device according to claim 1, characterized in that: The left bin gas path subassembly (4) includes a left inlet pipe (41) and a left outlet pipe (42) communicated with the standard gas bin (11), and the left inlet pipe (41) and the left outlet pipe (42) are both installed with a left one-way valve (43).

3. A standard gas dilution device according to claim 2, characterised in that: The right bin gas path subassembly (5) includes a right inlet pipe (51) and a right outlet pipe (52) communicated with the dilution gas bin (12), and the right inlet pipe (51) and the right outlet pipe (52) are both installed with a right one-way valve (53).

4. A standard gas dilution device according to claim 3, wherein: The standard gas bin (11) and the dilution gas bin (12) are both installed with an air pressure sensor (6), and the standard gas bin (11) and the dilution gas bin (12) are both installed with a mixing fan (7).

5. A standard gas dilution device according to claim 4, characterised in that: ​ 6. The standard gas dilution device of claim 1, wherein: ​ 7. The standard gas dilution device of claim 1, wherein: ​ 8. The standard gas dilution device of claim 1, wherein: ​

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