CN215984688U - High-precision gas turbine flowmeter - Google Patents
High-precision gas turbine flowmeter Download PDFInfo
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- CN215984688U CN215984688U CN202122327560.6U CN202122327560U CN215984688U CN 215984688 U CN215984688 U CN 215984688U CN 202122327560 U CN202122327560 U CN 202122327560U CN 215984688 U CN215984688 U CN 215984688U
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- supply pipe
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Abstract
The utility model discloses a high-precision gas turbine flowmeter, which relates to the technical field of gas turbine flowmeters and comprises a flowmeter body and a metering gauge outfit arranged on the flowmeter body, wherein an air outlet pipe and an air supply pipe are fixedly communicated with two ends of the flowmeter body respectively, a control box is fixedly communicated with the outer surface of the air supply pipe, and a circular plate is arranged in the air supply pipe. The utility model has reasonable design structure, and the positive and negative rotation motor, the lead screw, the movable block, the rotating rod, the cleaning rod and the rotating shaft are arranged in a matching way, the lead screw is driven to rotate by the output rotating shaft of the positive and negative rotation motor, the movable block can be lifted and moved on the lead screw, the rotating rod can be used for pushing the cleaning rod to rotate on the rotating shaft in a circumferential way, and then the brush hair on the cleaning rod can clean the filter screen, thereby effectively preventing impurities from being attached to the filter screen, ensuring the filtering effect of the filter screen on the impurities in the air, and avoiding the phenomenon of overhigh air pressure after the air is blocked at the filter screen.
Description
Technical Field
The utility model relates to the technical field of gas turbine flowmeters, in particular to a high-precision gas turbine flowmeter.
Background
The intelligent liquid turbine flowmeter is a novel intelligent instrument which integrates a turbine flow sensor and a display integration and is developed by adopting an advanced ultra-low power consumption single-chip microcomputer technology, adopts double-row liquid crystal field display, and has the obvious advantages of compact mechanism, visual and clear reading, high reliability, no interference of an external power supply, lightning protection, low cost and the like.
At present, in order to calculate the accuracy of gas flow, the existing gas turbine flowmeter mostly sets up the filter screen at the inlet end of the flowmeter, and the gas entering the flowmeter is filtered through the filter screen, but after the turbine flowmeter is used for a long time, impurities are blocked to the filter screen, so that the gas is blocked at the filter screen, the metering accuracy of the flowmeter is reduced, and potential safety hazards exist when the pressure of the inlet end is too large. To this end, we provide a high precision gas turbine flow meter that solves the above problems.
SUMMERY OF THE UTILITY MODEL
One) technical problem to be solved
The utility model aims to make up the defects of the prior art and provides a high-precision gas turbine flowmeter.
II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy gas turbine flowmeter, includes the flowmeter organism and installs the measurement gauge outfit on the flowmeter organism, the both ends of flowmeter organism are fixed the intercommunication respectively and are had outlet duct and air feed pipe, the external fixed surface intercommunication of air feed pipe has the control box, the internally mounted of air feed pipe has the circular slab, and the circular slab is located the one end that the air feed pipe is close to the flowmeter organism, the inside of circular slab is inlayed and is had the filter screen, the inside of control box is provided with and is used for the clearance mechanism to the filter screen clearance.
The utility model discloses a cleaning mechanism, including the control box, clearance mechanism includes positive reverse motor, and positive reverse motor installs in the upper surface of control box, the output pivot of positive reverse motor runs through the upper surface of control box and installs the lead screw, the surface threaded connection of lead screw has the movable block, a side of movable block rotates and is connected with the dwang, the one end that the movable block was kept away from to the dwang rotates and is connected with the clearance pole, and the clearance pole is close to a side of filter screen and installs the brush hair, the one end that the dwang was kept away from to the clearance pole rotates and is connected with the rotation axis, and the one end fixed connection in the inside of circular slab that the clearance pole was kept away from to the rotation axis.
Furthermore, the one end that the flowmeter organism was kept away from to the outlet duct and the equal fixedly connected with collar of one end that the flowmeter organism was kept away from to the blast pipe, two the mounting hole that the equidistance was arranged is all seted up to the inside of collar.
Furthermore, the inside sliding connection of movable block has the guide bar, the one end fixed connection of guide bar is in the interior roof of control box, the other end fixed connection of guide bar has the stopper.
Furthermore, the outer surface of the air supply pipe is fixedly communicated with a collecting pipe, the collecting pipe is positioned on one side face, away from the flowmeter body, of the circular plate, and a sealing cover is installed at one end, away from the air supply pipe, of the collecting pipe.
Thirdly), the beneficial effects are as follows:
compared with the prior art, the high-precision gas turbine flowmeter has the following beneficial effects:
according to the utility model, through the matching arrangement of the positive and negative rotation motor, the lead screw, the moving block, the rotating rod, the cleaning rod and the rotating shaft, the lead screw is driven to rotate through the output rotating shaft of the positive and negative rotation motor, so that the moving block can move up and down on the lead screw, the rotating rod can be used for pushing the cleaning rod to rotate circumferentially on the rotating shaft, and further, the brush hair on the cleaning rod cleans the filter screen, thereby effectively preventing impurities from attaching to the filter screen, ensuring the filtering effect of the filter screen on the impurities in the air, and avoiding the phenomenon of overhigh air pressure after the filter screen is blocked by the air.
The collecting pipe and the sealing cover are arranged, so that impurities filtered from the filter screen can be collected through the collecting pipe, the collected impurities in the collecting pipe can be cleaned through opening and closing the sealing cover, the connection stability of the air outlet pipe and the air supply pipe with an external air pipe can be enhanced through the arrangement of the mounting ring and the mounting hole, and the sealing effect between the air outlet pipe and the external air pipe and between the air supply pipe and the external air pipe can be improved.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the left side view of the present invention.
In the figure: 1. a flowmeter body; 2. a gauge head; 3. an air outlet pipe; 4. a mounting ring; 5. mounting holes; 6. an air supply pipe; 7. a control box; 8. a circular plate; 9. a cleaning mechanism; 91. a positive and negative rotation motor; 92. a screw rod; 93. a moving block; 94. rotating the rod; 95. cleaning the rod; 96. a rotating shaft; 97. a guide bar; 98. a limiting block; 10. filtering with a screen; 11. a collection pipe; 12. and (6) closing the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides a high accuracy gas turbine flowmeter, include flowmeter organism 1 and install the gauge outfit 2 on flowmeter organism 1, the both ends of flowmeter organism 1 are fixed respectively and are communicate there are outlet duct 3 and blast pipe 6, the equal fixedly connected with mounting ring 4 of one end that flowmeter organism 1 was kept away from to the one end that flowmeter organism 1 was kept away from to outlet duct 3 and blast pipe 6, the mounting hole 5 that the equidistance was arranged is all seted up to the inside of two mounting rings 4, through setting up mounting ring 4 and mounting hole 5, can consolidate the stability that outlet duct 3 and blast pipe 6 and outside trachea are connected, promote the leakproofness effect between outlet duct 3 and blast pipe 6 and the outside trachea.
The fixed surface intercommunication of blast pipe 6 has control box 7, the internally mounted of blast pipe 6 has circular plate 8, and circular plate 8 is located blast pipe 6 one end that is close to flowmeter organism 1, the inside of circular plate 8 is inlayed and is had filter screen 10, the inside of control box 7 is provided with the clearance mechanism 9 that is used for the clearance to filter screen 10, filter screen 10 is current structure, can filter the impurity in the gas, can adjust filter screen 10 according to flowmeter organism 1's service environment, satisfy the demand to gas filtration.
The cleaning mechanism 9 comprises a forward and reverse rotation motor 91, the forward and reverse rotation motor 91 is installed on the upper surface of the control box 7, the forward and reverse rotation motor 91 is in the prior art, clockwise rotation of the motor is forward rotation of the motor, and anticlockwise rotation of the motor is reverse rotation of the motor. According to the forward and reverse rotation control circuit diagram and the principle analysis thereof, to realize the forward and reverse rotation of the motor, as long as any two opposite connection wires connected to the three-phase power inlet wire of the motor are connected, the reverse rotation can be achieved, the output rotating shaft of the forward and reverse rotation motor 91 penetrates through the upper surface of the control box 7 and is provided with a lead screw 92, the outer surface of the lead screw 92 is in threaded connection with a moving block 93, one side surface of the moving block 93 is in rotational connection with a rotating rod 94, one end of the rotating rod 94 far away from the moving block 93 is in rotational connection with a cleaning rod 95, one side surface of the cleaning rod 95 close to the filter screen 10 is provided with bristles, one end of the cleaning rod 95 far away from the rotating rod 94 is in rotational connection with a rotating shaft 96, one end of the rotating shaft 96 far away from the cleaning rod 95 is fixedly connected inside the circular plate 8, the lead screw 92 is driven to rotate by the output rotating shaft of the forward and reverse rotation motor 91, the moving block 93 can move on the lead screw 92, and the cleaning rod 95 can be pushed to circularly rotate on the rotating shaft 96 by the rotating rod 94, thereby enabling the bristles on the cleaning rod 95 to clean the filter screen 10.
The inside sliding connection of movable block 93 has guide bar 97, the one end fixed connection of guide bar 97 is in the interior roof of control box 7, the other end fixedly connected with stopper 98 of guide bar 97, can promote the stability that movable block 93 removed the in-process through guide bar 97, can carry on spacingly to the displacement distance of movable block 93 through stopper 98, the external fixed surface intercommunication of blast pipe 6 has collecting pipe 11, and collecting pipe 11 is located the side that flowmeter organism 1 was kept away from to circular plate 8, collecting pipe 11 is kept away from the one end of blast pipe 6 and is installed closing cap 12, can collect the impurity of straining on the filter screen 10 through collecting pipe 11, and can clear up the impurity of collecting in the collecting pipe 11 through opening and close closing cap 12.
The working principle is as follows: firstly, the air supply pipe 6 is connected with an external air inlet pipeline through the mounting ring 4 and the mounting hole 5, the air outlet pipe 3 is connected with an external gas collecting pipeline through the mounting ring 4 and the mounting hole 5, then, the air is supplied to the inside of the air supply pipe 6 through the external air inlet pipeline, impurities in the air can be filtered through the filter screen 10 on the inner circular plate 8 of the air supply pipe 6, then, the air is measured and displayed through the measuring gauge head 2 on the flowmeter body 1, the measured air is supplied to the external gas collecting pipeline through the air outlet pipe 3, meanwhile, the forward and reverse rotation motor 91 can be started, the output rotating shaft of the forward and reverse rotation motor 91 drives the screw rod 92 to rotate, so that the moving block 93 can move up and down on the screw rod 92 and the guide rod 97, the cleaning rod 95 can be pushed to do circular motion on the rotating shaft 96 through the rotating rod 94, and then the filter screen 10 can be cleaned by the brush hair on the cleaning rod 95, the effectual impurity that has prevented from adhering to on filter screen 10, guarantees filter screen 10 to the filter effect of impurity in the air to avoid appearing gaseous jam and appearing the too high phenomenon of atmospheric pressure behind filter screen 10 department, at last, the impurity of clearing up drops to the inside of collecting pipe 11, can clear up the impurity of collecting in the collecting pipe 11 through opening and close closing cap 12.
Claims (4)
1. The utility model provides a gas turbine flowmeter of high accuracy, includes flowmeter organism (1) and installs measurement gauge outfit (2) on flowmeter organism (1), its characterized in that: the flowmeter is characterized in that an air outlet pipe (3) and an air supply pipe (6) are fixedly communicated with two ends of the flowmeter body (1) respectively, a control box (7) is fixedly communicated with the outer surface of the air supply pipe (6), a circular plate (8) is installed inside the air supply pipe (6), the circular plate (8) is located at one end, close to the flowmeter body (1), of the air supply pipe (6), a filter screen (10) is embedded inside the circular plate (8), and a cleaning mechanism (9) for cleaning the filter screen (10) is arranged inside the control box (7); clearance mechanism (9) are including just reversing motor (91), and just reverse motor (91) install in the upper surface of control box (7), the output pivot of just reversing motor (91) runs through the upper surface of control box (7) and installs lead screw (92), the surface threaded connection of lead screw (92) has movable block (93), a side of movable block (93) is rotated and is connected with dwang (94), the one end that movable block (93) were kept away from in dwang (94) is rotated and is connected with clearance pole (95), and clearance pole (95) are close to a side of filter screen (10) and install the brush hair, the one end that dwang (94) were kept away from in clearance pole (95) is rotated and is connected with rotation axis (96), and rotation axis (96) keep away from the one end fixed connection in the inside of circular slab (8) of clearance pole (95).
2. A high accuracy gas turbine flow meter according to claim 1, wherein: the flowmeter is characterized in that one end of the outlet pipe (3) far away from the flowmeter body (1) and one end of the air feed pipe (6) far away from the flowmeter body (1) are fixedly connected with mounting rings (4), and mounting holes (5) which are arranged equidistantly are formed in the mounting rings (4).
3. A high accuracy gas turbine flow meter according to claim 1, wherein: the inner portion of the moving block (93) is connected with a guide rod (97) in a sliding mode, one end of the guide rod (97) is fixedly connected to the inner top wall of the control box (7), and the other end of the guide rod (97) is fixedly connected with a limiting block (98).
4. A high accuracy gas turbine flow meter according to claim 1, wherein: the outer surface of the air supply pipe (6) is fixedly communicated with a collecting pipe (11), the collecting pipe (11) is positioned on one side face, away from the flowmeter body (1), of the circular plate (8), and a sealing cover (12) is installed at one end, away from the air supply pipe (6), of the collecting pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327560.6U CN215984688U (en) | 2021-09-26 | 2021-09-26 | High-precision gas turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327560.6U CN215984688U (en) | 2021-09-26 | 2021-09-26 | High-precision gas turbine flowmeter |
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| Publication Number | Publication Date |
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| CN215984688U true CN215984688U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122327560.6U Active CN215984688U (en) | 2021-09-26 | 2021-09-26 | High-precision gas turbine flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451128A (en) * | 2023-12-22 | 2024-01-26 | 福建哈德仪表有限公司 | Gas Roots flowmeter with temperature and pressure compensation |
-
2021
- 2021-09-26 CN CN202122327560.6U patent/CN215984688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451128A (en) * | 2023-12-22 | 2024-01-26 | 福建哈德仪表有限公司 | Gas Roots flowmeter with temperature and pressure compensation |
| CN117451128B (en) * | 2023-12-22 | 2024-03-08 | 福建哈德仪表有限公司 | Gas Roots flowmeter with temperature and pressure compensation |
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