CN210293831U - Buffering gas capacity and gas sampling system - Google Patents
Buffering gas capacity and gas sampling system Download PDFInfo
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- CN210293831U CN210293831U CN201921137664.7U CN201921137664U CN210293831U CN 210293831 U CN210293831 U CN 210293831U CN 201921137664 U CN201921137664 U CN 201921137664U CN 210293831 U CN210293831 U CN 210293831U
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Abstract
The utility model discloses a buffering gas capacity and gas sampling system, buffering gas capacity includes first gas capacity, second gas capacity and sealing connecting piece, first gas capacity is inside to have first air cavity, second gas capacity is inside to have the second air cavity, first gas capacity be provided with on the surface with air inlet and the first through-hole of first air cavity intercommunication, the second gas capacity be provided with on the surface with gas outlet and the second through-hole of second air cavity intercommunication, sealing connecting piece makes based on elastic material, sealing connecting piece has the first connector and the second connector of intercommunication each other. The utility model discloses a sealing connection makes first gas capacity, second gas capacity make up into a gas capacity that has buffer function, and simple manufacture, make things convenient for the dismouting to maintain.
Description
Technical Field
The utility model relates to a gas treatment field particularly, relates to a buffering gas capacity and gas sampling system.
Background
In order to control the sampling flow, a device called as a orifice plate flowmeter is adopted by general equipment to calculate the sampling flow, the flow during sampling is smaller, and if the flow is controlled only by the power of a pump during sampling control, the unstable flow can fluctuate greatly in a large range, so that the sampling flow is difficult to control.
Buffer tank or buffering gas capacity, it is a cylindrical device, each side has an air cock, be used for admitting air and giving vent to anger, there is a wall in the centre of inside, divide the gas capacity into two, and there is an air pocket in the centre of cutting off, it is communicating to guarantee that two parts of gas capacity are, when the pump is bled because the gas capacity inner structure leads to pressure more steady to be favorable to the control flow, but buffer tank or the buffering gas capacity that current equipment used generally formula as an organic whole, because the centre has to cut off and has the pore, lead to the die sinking preparation difficulty, the expense is high and in case the gas circuit blocks up unable clearance basically, therefore need a simple and convenient dismouting of preparation clearance buffer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, the utility model provides a buffering gas capacity and gaseous sampling system, buffering gas capacity makes first gas capacity and second gas capacity constitute one through sealing connection spare and has buffer function's gas capacity, and simple manufacture, make things convenient for the dismouting to maintain, has good practicality.
In order to solve the technical problem, the utility model provides a buffer air volume, which comprises a first air volume, a second air volume and a sealing connecting piece;
the first air volume is internally provided with a first air cavity, the second air volume is internally provided with a second air cavity, the surface of the first air volume is provided with an air inlet and a first through hole which are communicated with the first air cavity, and the surface of the second air volume is provided with an air outlet and a second through hole which are communicated with the second air cavity;
the sealing connecting piece is made of elastic materials and is provided with a first connecting port and a second connecting port which are communicated with each other;
the sealing connecting piece is sleeved on the first air volume based on a first connecting port, and the first through hole is communicated with the first connecting port;
the sealing connecting piece is sleeved on the second air volume based on a second connecting port, and the second through hole is communicated with the second connecting port.
As a preferred technical solution of the present invention, the air inlet is disposed at a side of the first air volume, and the first through hole is disposed at a bottom of the first air volume;
the air outlet is arranged on the side face of the second air container, and the second through hole is formed in the top of the second air container.
As a preferred technical scheme of the utility model, work as first gas capacity with the second gas capacity is based on sealing connection connects the back, the bottom of first gas capacity with the top contact of second gas capacity.
As an optimized technical scheme of the utility model, the preparation material of first air capacity and second air capacity is transparent plastic.
As an optimized technical scheme of the utility model, sealing connecting piece's preparation material is the silica gel material.
As a preferred technical scheme of the utility model, the buffering air capacity still includes the base, the base is fixed sealing connection spare.
As an optimized technical scheme of the utility model, first gas capacity with be provided with first handle and second handle on the second gas capacity respectively.
Additionally, the utility model provides a gas sampling system, gas sampling system includes above-mentioned buffering gas capacity, gas sampling system includes orifice plate flowmeter and air pump, orifice plate flowmeter has meter front end and meter rear end, orifice plate flowmeter's meter rear end pass through the trachea with air inlet on the first gas capacity is connected, the air pump pass through the trachea with gas outlet on the second gas capacity is connected.
As a preferred technical scheme of the utility model, first air capacity with orifice plate flowmeter be provided with the check valve between the meter rear end, the check valve ends the follow first air capacity side flow direction the air current of orifice plate flowmeter one side.
As a preferred technical scheme of the utility model, orifice plate flowmeter's meter front end is provided with clean filter core and air cock, clean filter core has filter core inlet end and filter core end of giving vent to anger, the filter core inlet end pass through the trachea with the air cock is connected, the filter core give vent to anger the end with orifice plate flowmeter the meter front end is connected.
The utility model provides a buffering gas capacity and gas sampling system, the beneficial effect that this buffering gas capacity and gas sampling system reached is: the buffer air volume enables the first air volume and the second air volume to be combined into a buffer air volume body through the sealing connecting piece, the through hole between the first air volume and the second air volume plays a role in buffering air pressure, and the first air volume and the second air volume can be simply and conveniently disassembled and assembled from the sealing connecting piece, so that the daily maintenance is facilitated; transparent plastics are used for the first air volume and the second air volume, so that the air volume manufacturing difficulty is simplified, and the air volume production cost is reduced; the sealing connecting piece is made of a silica gel material, so that the first air volume and the second air volume can be fixed, and the sealing connecting piece is convenient to disassemble and clean; the arrangement of the base can prevent the buffer air volume from shaking and shifting in the working process; the arrangement of the handle can facilitate the first air volume and the second air volume to be taken out of the sealing fixing piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows an exploded view of a buffer gas volume according to an embodiment of the present invention;
FIG. 2 shows a cross-sectional view of a buffer gas volume of an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a buffer gas volume according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a gas collection system according to an embodiment of the present invention.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1 shows an exploded view of a buffer gas volume according to an embodiment of the present invention; FIG. 2 shows a cross-sectional view of a buffer gas volume of an embodiment of the present invention; fig. 3 shows a schematic structural diagram of a buffer air volume according to an embodiment of the present invention.
The embodiment of the utility model provides a buffer air volume, which comprises a first air volume 1, a second air volume 2 and a sealing connecting piece 3;
a first air cavity 101 is arranged in the first air container 1, a second air cavity 201 is arranged in the second air container 2, an air inlet 102 and a first through hole 103 which are communicated with the first air cavity 101 are arranged on the surface of the first air container 1, and an air outlet 202 and a second through hole 203 which are communicated with the second air cavity 201 are arranged on the surface of the second air container 2;
the sealing connecting piece 3 is made of elastic material, and the sealing connecting piece 3 is provided with a first connecting port 301 and a second connecting port 302 which are communicated with each other;
the sealing connecting piece 3 is sleeved on the first air volume 1 based on a first connecting port 301, and the first through hole 103 is communicated with the first connecting port 301;
the sealing connector 3 is sleeved on the second air container 2 based on a second connecting port 302, and the second through hole 203 is communicated with the second connecting port 302.
In the embodiment of the utility model, the first air volume 1 and the second air volume 2 are combined into the buffer air volume through the sealing connecting piece 3, when a large negative pressure is generated in the second air chamber 201 of the second air volume 2, the second air volume 2 sucks air from the first air volume 1, since the first through hole 103 and the second through hole 203 function to restrict the flow of air in the first air volume 1 and the second air volume 2, the second air volume 2 will smoothly suck air from the first air volume 1, and eventually the first air volume 1 will smoothly suck air from the air inlet 102, the first through hole 103 and the second through hole 203 play a role of buffering, so that the negative pressure in the second air chamber 201 cannot be directly transferred to the first air chamber 101, in addition, the first air volume 1 and the second air volume 2 adopt a single-cavity structure, so that the first air volume 1 and the second air volume 2 can be washed and cleaned conveniently.
Specifically, the air inlet 102 is arranged on the side surface of the first air volume 1, and the first through hole 103 is arranged at the bottom of the first air volume 1; the first air volume 1 sucks air from the air inlet 102 into the first air cavity 101 and discharges air from the first through hole 103.
The air outlet 102 is arranged on the side surface of the second air container 2, and the second through hole 203 is arranged at the top of the second air container 2; the second air container 2 sucks air from the second through-hole 203 into the second air chamber 201 and discharges it from the second through-hole 203.
Further, after the first gas container 1 and the second gas container 2 are connected based on the sealing connection member 3, the bottom of the first gas container 1 is in contact with the top of the second gas container 2; the first through hole 103 is connected with the second through hole 203, the first air cavity 101 and the second air cavity 201 are communicated based on the first through hole 103 and the second through hole 203, when the air conditioner is in a working state, the first air cavity 101 is in a positive pressure state, the second air cavity is in a negative pressure state 201, and air smoothly flows from the first air cavity 101 to the second air cavity 201 through the first through hole 103 and the second through hole 203.
Preferably, the first air container 1 and the second air container 2 are made of transparent plastics, the first air container 1 and the second air container 2 are made of blow molding, firstly, thermoplastic resin is used for obtaining a semi-molten tubular parison through extrusion or injection molding, then, the parison is placed on mould towels in various shapes while the parison is hot (or heated to a softening state), compressed air is introduced into the parison immediately after a mould is closed, and the parison which is closed in a mould cavity and is in a rubber-like state is blown up by means of gas pressure so as to be tightly attached to the inner wall of the mould cavity to form a hollow product; the production cost is saved, and in addition, as the blow molding material is made of transparent plastic, the first air volume 1 and the second air volume 2 are made to be transparent containers, so that the cleaning state of the first air volume 1 and the second air volume 2 can be checked conveniently in daily maintenance.
Preferably, the sealing connecting piece 3 is made of a silica gel material; choose for use the silica gel material to have the damping function as sealing connecting piece 3, can less external environment with the vibration of first air pocket 1, second air pocket 2, on the other hand, the silica gel material takes certain elasticity, can guarantee when easy installation sealing connecting piece 3 can press from both sides tightly first air pocket 1 with second air pocket 2.
Further, the buffering air volume still includes base 4, base 4 is fixed sealing connecting piece 3, base 4 is through fixing sealing connecting piece 3 is fixed first air volume 1 with second air volume 2, base 4 can prevent the buffering air volume appears rocking the displacement under atmospheric pressure changes.
Further, a first handle 104 and a second handle 204 are respectively disposed on the first air container 1 and the second air container 2, the first handle 104 is disposed at the top of the first air container 1, the second handle 204 is disposed at the bottom of the second air container 2, and a user can easily take out the first air container 1 and the second air container 2 through the first handle 104 and the second handle 204.
Fig. 4 shows a schematic structural diagram of a gas collection system according to an embodiment of the present invention.
In addition, the embodiment of the utility model provides a gas sampling system is still provided, gas sampling system includes above-mentioned buffering gas capacity, gas sampling system includes orifice plate flowmeter 5 and air pump 6, orifice plate flowmeter 5 has meter front end 501 and meter rear end 502, meter rear end 502 of orifice plate flowmeter 5 is connected with air inlet 102 on first gas capacity 1 through the trachea, air pump 6 is connected with gas outlet 202 on second gas capacity 2 through the trachea; in the above-mentioned collection gas circuit, air pump 6 does gas sampling system provides power and adjustment speed of breathing in, orifice plate flowmeter 5 is used for the real-time measurement to inhale gaseous flow, because the trachea space is narrow, air pump 6 is direct to be connected through the trachea orifice plate flowmeter 5 can lead to the too big orifice plate flowmeter 5 of leading to of gas circuit pressure change to measure unstably orifice plate flowmeter 5 with insert between the air pump 6 buffering gas capacity can control atmospheric pressure and maintain steadily to be favorable to passing through air pump 6 control flow.
Further, a check valve 7 is provided between the first gas volume 1 and the meter rear end 502 of the orifice flowmeter 5, and the check valve 7 blocks a flow of gas flowing from the first gas volume 1 side to the orifice flowmeter 5 side; because the buffering air capacity is the dismantled and assembled maintenance design, when demolising first air capacity 1, the atmospheric pressure of 1 one side of first air capacity of check valve 7 changes, turns into the malleation from the negative pressure, the atmospheric pressure of orifice plate flowmeter 5 one side of check valve 7 turns into the negative pressure from the malleation, check valve 7 can prevent to demolish 1 back external air suck-back in orifice plate flowmeter 5 in, avoid to orifice plate flowmeter 5 causes the pollution.
Further, the meter front end 501 of orifice plate flowmeter 5 is provided with clean filter core 8 and air cock 9, clean filter core 8 has filter core inlet end 801 and the filter core end 802 of giving vent to anger, filter core inlet end 801 through the trachea with air cock 9 is connected, the filter core give vent to anger the end 802 with orifice plate flowmeter 5 the meter front end 501 is connected, gas sampling system passes through air cock 9 inhales the sampling gas, and passes through clean filter core 8 filters the sampling gas, takes out particulate matter and moisture in the sampling gas prevent particulate matter and moisture pollution in the sampling gas orifice plate flowmeter 5 with the buffering gas capacity reduces the clearance the number of times of buffering gas capacity.
The embodiment of the utility model provides a buffering gas capacity and gas sampling system, this buffering gas capacity makes first gas capacity and second gas capacity make up into buffering gas capacity body through sealing connecting piece, and the through-hole between first gas capacity and second gas capacity plays buffering atmospheric pressure effect, first gas capacity and second gas capacity can be from the simple and convenient dismouting of sealing connecting piece, the daily maintenance of being convenient for; transparent plastics are used for the first air volume and the second air volume, so that the air volume manufacturing difficulty is simplified, and the air volume production cost is reduced; the sealing connecting piece is made of a silica gel material, so that the first air volume and the second air volume can be fixed, and the sealing connecting piece is convenient to disassemble and clean; the arrangement of the base can prevent the buffer air volume from shaking and shifting in the working process; the arrangement of the handle can facilitate the first air volume and the second air volume to be taken out of the sealing fixing piece.
In addition, the above detailed description is made on the buffer gas capacity and gas sampling system provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A buffer air volume is characterized by comprising a first air volume, a second air volume and a sealing connecting piece;
the first air volume is internally provided with a first air cavity, the second air volume is internally provided with a second air cavity, the surface of the first air volume is provided with an air inlet and a first through hole which are communicated with the first air cavity, and the surface of the second air volume is provided with an air outlet and a second through hole which are communicated with the second air cavity;
the sealing connecting piece is made of elastic materials and is provided with a first connecting port and a second connecting port which are communicated with each other;
the sealing connecting piece is sleeved on the first air volume based on a first connecting port, and the first through hole is communicated with the first connecting port;
the sealing connecting piece is sleeved on the second air volume based on a second connecting port, and the second through hole is communicated with the second connecting port.
2. The buffer gas volume of claim 1, wherein the gas inlet is disposed at a side of the first gas volume, and the first through hole is disposed at a bottom of the first gas volume;
the air outlet is arranged on the side face of the second air container, and the second through hole is formed in the top of the second air container.
3. The buffer gas volume of claim 2, wherein a bottom of the first gas volume contacts a top of the second gas volume when the first gas volume and the second gas volume are connected based on the sealing connection.
4. The buffer gas container according to claim 1, wherein the first gas container and the second gas container are made of transparent plastic.
5. The buffer gas container according to claim 1, wherein the sealing connector is made of a silicone material.
6. The buffer reservoir of claim 1, further comprising a base, the base securing the seal connection.
7. The buffer air volume as set forth in claim 1, wherein a first handle and a second handle are respectively provided on the first air volume and the second air volume.
8. A gas sampling system, comprising the buffer gas container of any one of claims 1 to 5, wherein the gas sampling system comprises an orifice plate flowmeter and an air pump, the orifice plate flowmeter has a front end and a rear end, the rear end of the orifice plate flowmeter is connected with an air inlet on the first gas container through an air pipe, and the air pump is connected with an air outlet on the second gas container through an air pipe.
9. The gas sampling system of claim 8, wherein a check valve is disposed between the first gas volume and the meter back end of the orifice plate flow meter, the check valve blocking gas flow from the first gas volume side to the orifice plate flow meter side.
10. The gas sampling system of claim 8, wherein a cleaning filter element and a gas nipple are disposed at a meter front end of the orifice plate flow meter, the cleaning filter element having a filter element inlet end and a filter element outlet end, the filter element inlet end being connected to the gas nipple via a gas tube, the filter element outlet end being connected to the meter front end of the orifice plate flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137664.7U CN210293831U (en) | 2019-07-18 | 2019-07-18 | Buffering gas capacity and gas sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137664.7U CN210293831U (en) | 2019-07-18 | 2019-07-18 | Buffering gas capacity and gas sampling system |
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| Publication Number | Publication Date |
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| CN210293831U true CN210293831U (en) | 2020-04-10 |
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| CN201921137664.7U Active CN210293831U (en) | 2019-07-18 | 2019-07-18 | Buffering gas capacity and gas sampling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772609A (en) * | 2020-06-18 | 2020-10-16 | 微医佰康(福建)医疗科技有限公司 | Device for reducing air flow fluctuation in blood pressure detection air circuit |
-
2019
- 2019-07-18 CN CN201921137664.7U patent/CN210293831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772609A (en) * | 2020-06-18 | 2020-10-16 | 微医佰康(福建)医疗科技有限公司 | Device for reducing air flow fluctuation in blood pressure detection air circuit |
| CN111772609B (en) * | 2020-06-18 | 2022-08-16 | 微医佰康(福建)医疗科技有限公司 | Device for reducing air flow fluctuation in blood pressure detection air circuit |
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