CN210119255U - Measure accurate hot type gas table - Google Patents
Measure accurate hot type gas table Download PDFInfo
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- CN210119255U CN210119255U CN201920711036.9U CN201920711036U CN210119255U CN 210119255 U CN210119255 U CN 210119255U CN 201920711036 U CN201920711036 U CN 201920711036U CN 210119255 U CN210119255 U CN 210119255U
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Abstract
The utility model provides a measure accurate hot type gas table belongs to and measures display instrument technical field. The thermal flowmeter solves the problems that when the existing thermal flowmeter measures fluid with large flow rate, the measurement error is large and the fluid is easy to wear. The utility model discloses a gas table body and a plurality of thermal type flowmeters of setting on the body, be equipped with pipeline and admission line of giving vent to anger on the gas table body, a plurality of openings of the adaptation thermal type flowmeter of symmetry are seted up to pipeline and admission line lateral wall of giving vent to anger, the opening that pipeline and admission line are relative is given vent to anger is connected respectively to thermal type flowmeter's both ends. The utility model has the characteristics of simple structure, measurement accuracy is high, long service life etc.
Description
Technical Field
The utility model belongs to the gas table field, in particular to measure accurate hot type gas table.
Background
In daily life or industrial production, a thermal flowmeter is generally used as a measuring tool for the flow of a gas meter, the thermal flowmeter adopts a thermal diffusion principle, and a thermal diffusion technology is a technology with excellent performance and high reliability under severe conditions. Thermal flow meters have two temperature sensors placed in the media, one of which is heated to a temperature above ambient temperature and the other of which is used to sense the media temperature. The flow velocity of the medium is increased, the heat quantity taken away by the medium is increased, the temperature difference of the two temperature sensors changes along with the change of the flow velocity of the medium, and the flow of the fluid can be obtained according to the proportional relation between the temperature difference and the flow velocity of the medium, so that the method is suitable for measuring the flow of gas media such as a gas meter. However, since the thermal flowmeter is only suitable for a working environment with a small flow rate, when the flow rate of the fuel gas to be measured is too high, an error is easily generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measure accurate hot type gas table to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a measure accurate hot type gas table, its characterized in that, includes gas table body and sets up a plurality of hot type flowmeters in this internal, be equipped with gas outlet pipe way and admission line on the gas table body, all set up on gas outlet pipe way and admission line's the lateral wall symmetry and with a plurality of openings of hot type flowmeter adaptation, the opening of gas outlet pipe way and admission line relative position is connected respectively to hot type flowmeter's both ends.
The utility model discloses a theory of operation: the gas gets into gas table inlet duct, meets a plurality of flowmeters of connecting on the gas outlet lateral wall and begins the reposition of redundant personnel, and a plurality of flowmeters can reduce the velocity of flow of the gas that gets into the gas table, and a plurality of thermal flowmeter carry out the gas flow that converges and get through the gas table after measuring to the gas that flows through wherein, and the gas is remitted after passing through thermal flowmeter and is given vent to anger the pipeline and supply the apparatus gas of using.
In the thermal gas meter with accurate measurement, the side walls of the gas outlet pipeline and the gas inlet pipeline are planes.
In the thermal gas meter with accurate measurement, a fixing frame for keeping the flow meters stable is arranged among the flow meters.
In the thermal gas meter with accurate measurement, the thermal flow meter is connected with the gas inlet pipeline and the gas outlet pipeline by friction welding.
In the thermal gas meter with accurate measurement, the joint of the thermal flow meter and the gas inlet pipeline and the gas outlet pipeline further comprises a reinforcing buckle.
In the accurate thermal gas meter, the reinforcing buckle is of a cuboid frame structure, and the front face of the reinforcing buckle is composed of two semicircular frames matched with the ports of the flowmeter.
In the thermal gas meter with accurate measurement, the length of the four-side frame of the reinforcing buckle is longer than the length of the four sides of the cross section of the gas inlet and the gas outlet by 2 mm.
In the thermal gas meter with accurate measurement, the reinforcing buckle is made of high-carbon steel.
Compared with the prior art, the utility model has the advantages of it is following:
1. the device measures the speed of the gas in the gas meter through the plurality of thermal flow meters and shunts the gas, so that the flow rate of the gas in the gas meter is reduced, the flow rate of the gas in the thermal flow meters meets the measurement conditions, and the measurement precision is effectively improved.
2. A fixing frame is arranged between the plurality of thermal type flowmeters, so that the structure stability of the flowmeters can be kept.
3. The thermal flowmeter is connected with the air inlet pipeline and the air outlet pipeline in a friction welding mode, and the joint is further provided with a reinforcing buckle for reinforcement, so that the thermal flowmeter is tightly connected, and the dangerous problems of air leakage and the like can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a reinforcing buckle.
In the figure, 1, a gas meter body; 2. a thermal flow meter; 3. an air outlet pipe; 4. an air intake duct; 5. a fixing frame; 6. and (6) reinforcing the buckle.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the device comprises a gas meter body and a plurality of thermal type flow meters arranged in the gas meter body, wherein a gas outlet pipeline and a gas inlet pipeline are arranged on the gas meter body, a plurality of openings which are symmetrical and matched with the thermal type flow meters are arranged on the side walls of the gas outlet pipeline and the gas inlet pipeline, and openings at the relative positions of the gas outlet pipeline and the gas inlet pipeline are respectively connected with the two ends of the thermal type flow meters.
In more detail, the side walls of the outlet duct 3 and the inlet duct 4 are flat. The planar side wall is more suitable for punching, and the connection with the thermal flowmeter 2 after punching is tighter and easy to operate.
More specifically, a fixing frame 5 for holding the flow meters stably is provided between the plurality of flow meters. The fixed frame 5 between the flowmeters can keep a plurality of flowmeters parallel and level to form a whole, and is not easy to be disordered.
In more detail, the thermal flowmeter 2 is connected with the gas inlet pipeline 4 and the gas outlet pipeline 3 by friction welding. The friction welding is efficient, has no welding seam, can ensure that the flowmeter and the pipeline are tightly connected, and is not easy to leak gas.
In further detail, the joint of the thermal flowmeter 2 with the air inlet pipeline 4 and the air outlet pipeline 3 further comprises a reinforcing buckle 6. The reinforcing buckle can enable the port of the flowmeter to be tightly attached to the air inlet pipeline 4 and the air outlet pipeline 3, and air tightness is not easily affected due to shaking.
In further detail, the reinforcing buckle is of a cuboid frame structure, and the front face of the reinforcing buckle is composed of two semicircular frames matched with the ports of the flowmeter.
In more detail, the length of the four-sided frame of the reinforcing buckle 6 is longer than the length of the four sides of the cross section of the air inlet and the air outlet by 2 mm.
In more detail, the material of the reinforcing buckle 6 is high-carbon steel. The high-carbon steel has strong toughness, high elastic strength and fastening buckle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a measure accurate hot type gas table, its characterized in that includes gas table body (1) and sets up a plurality of hot type flowmeter (2) at this internal, be equipped with pipeline (3) and admission line (4) of giving vent to anger on gas table body (1), all set up on the lateral wall of pipeline (3) of giving vent to anger and admission line (4) symmetry and with a plurality of openings of hot type flowmeter (2) adaptation, the opening of pipeline (3) and admission line (4) relative position of giving vent to anger is connected respectively at the both ends of hot type flowmeter (2).
2. The thermal gas meter with accurate measurement according to claim 1, wherein the side walls of the gas outlet pipe (3) and the gas inlet pipe (4) are flat.
3. A thermal gas meter with accurate measurement according to claim 1, characterized in that a fixing frame (5) for keeping the flow meters stable is provided between the plurality of flow meters.
4. A thermal gas meter with accurate measurement according to claim 1, wherein the thermal flow meter (2) is connected with the gas inlet pipe (4) and the gas outlet pipe (3) by friction welding.
5. The thermal gas meter with accurate measurement according to claim 2, wherein the joint of the thermal flow meter (2) and the inlet pipe (4) and the outlet pipe (3) further comprises a reinforcing buckle (6).
6. The thermal gas meter with accurate measurement according to claim 5, wherein the reinforcing buckle (6) is of a rectangular frame structure, and the front face of the reinforcing buckle is composed of two semicircular frames matched with the ports of the flow meter.
7. A thermal gas meter with accurate measurement according to claim 5, wherein the length of the frame of the four sides of the reinforcing buckle (6) is longer than 2mm on the four sides of the cross section of the gas inlet and the gas outlet.
8. A thermal gas meter with accurate measurement according to claim 5, wherein the material of the reinforcing buckle (6) is high carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711036.9U CN210119255U (en) | 2019-05-17 | 2019-05-17 | Measure accurate hot type gas table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711036.9U CN210119255U (en) | 2019-05-17 | 2019-05-17 | Measure accurate hot type gas table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210119255U true CN210119255U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920711036.9U Active CN210119255U (en) | 2019-05-17 | 2019-05-17 | Measure accurate hot type gas table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210119255U (en) |
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2019
- 2019-05-17 CN CN201920711036.9U patent/CN210119255U/en active Active
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