CN212251431U - Torque type valve flowmeter with automatic protection device - Google Patents
Torque type valve flowmeter with automatic protection device Download PDFInfo
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- CN212251431U CN212251431U CN202020874688.7U CN202020874688U CN212251431U CN 212251431 U CN212251431 U CN 212251431U CN 202020874688 U CN202020874688 U CN 202020874688U CN 212251431 U CN212251431 U CN 212251431U
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- shell
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- pressure air
- air bag
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Abstract
The utility model discloses a torque type valve flowmeter with an automatic protection device, which comprises a shell, wherein one end of the shell is an inlet, the other end of the shell is an outlet, a main valve disc is arranged at one end of the shell close to the inlet, and an auxiliary valve disc is arranged at one end close to the outlet; the main valve disc is an eccentric valve disc and is connected with a driving and measuring integrated device through a rotating shaft; a driver shell is sleeved on the second rotating shaft of the auxiliary valve disc, a fixed partition plate is arranged in the middle of the driver shell, a driving disc is fixed on one side, located on the fixed partition plate, of the second rotating shaft of the auxiliary valve disc, and a connecting arm is fixed on the other side of the second rotating shaft of the auxiliary valve disc; the two sides of the driving disc are respectively provided with a high-pressure air bag and a low-pressure air bag, the high-pressure air bag is connected to one side, close to the inlet, of the main valve disc through a high-pressure pipe, the low-pressure air bag is connected to one side, far away from the inlet, of the main valve disc through a low-pressure pipe, and the end portion of the connecting arm is connected with the fixed partition plate. The utility model discloses can let the aperture of main valve dish be in suitable position all the time, avoid the overranging of sensor to damage.
Description
Technical Field
The utility model belongs to the technical field of flow measurement, especially, relate to a take torque type valve flowmeter of automatic safety device.
Background
The flowmeter is an important instrument in measuring fluids such as water, liquid, gas and the like, and is widely applied to the fields of industrial and agricultural production, trade settlement, energy consumption monitoring and the like. The torque type valve flowmeter is a novel flow measuring device, has high precision, large range ratio, small resistance, no straight pipe section requirement and is suitable for severe environment.
In order to adapt to some special application scenes, avoid the over-range damage of a key sensor and achieve the best performance of a torque type valve flowmeter, the pressure difference between the front part and the rear part of a main valve disc of the torque type valve flowmeter needs to be limited, so that the opening of the valve disc is in a reasonable position. Therefore, a device needs to be developed to realize the above functions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to the background art provides a take automatic protection device's moment of torsion formula valve flowmeter, the utility model discloses can let the aperture of main valve dish be in suitable position all the time, avoid the overrange damage of sensor.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a torque type valve flowmeter with an automatic protection device comprises a shell, wherein one end of the shell is an inlet, the other end of the shell is an outlet, a main valve disc is arranged at one end, close to the inlet, of the shell, and an auxiliary valve disc is arranged at one end, close to the outlet, of the shell;
the main valve disc is an eccentric valve disc and is connected with a drive measurement integrated device through a rotating shaft, and the drive measurement integrated device comprises a torque sensor, an angle sensor, a driver and a controller;
the auxiliary valve disc is a central valve disc, a driver shell is sleeved on a second rotating shaft of the auxiliary valve disc, a fixed partition plate is arranged in the middle of the inside of the driver shell, a driving disc is fixed on one side, located on the fixed partition plate, of the second rotating shaft of the auxiliary valve disc, and a connecting arm is fixed on the other side of the second rotating shaft of the auxiliary valve disc; the two sides of the driving disc are respectively provided with a high-pressure air bag and a low-pressure air bag, the high-pressure air bag is connected to one side, close to the inlet, of the main valve disc through a high-pressure pipe, the low-pressure air bag is connected to one side, far away from the inlet, of the main valve disc through a low-pressure pipe, the end portion of the connecting arm is connected with the fixed partition plate through a balance spring, in an initial state, the balance spring enables the driving disc to rotate towards the direction of the high-pressure air.
Further, the controller is an SC51 single-chip microcomputer controller and is provided with a wireless transmission module.
Further, the auxiliary valve disc is internally provided with a sealing element.
Furthermore, the angle sensor is an optical fiber displacement sensor.
Further, the driver adopts a motor.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses can let the front and back differential pressure of main valve dish be in certain fixed within range all the time to make its aperture be in suitable position all the time, avoid the overranging of sensor wherein to damage with this, improve life.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment.
In the figure, 1, a main valve disc; 2. a first rotating shaft; 3. a sub-valve disc; 4. a second rotating shaft; 5. a driver housing; 6. driving the measurement integration device; 7. a high pressure pipe; 8. a low pressure pipe; 9. a high pressure air bag; 10. a balance spring; 11. a low pressure air bag; 12. a drive disc; 13. a housing; 14. fixing the partition board; 15. a connecting arm.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
a torque type valve flowmeter with an automatic protection device is shown in figure 1 and comprises a shell 13, wherein one end of the shell 13 is an inlet, the other end of the shell 13 is an outlet, a main valve disc 1 is arranged at one end, close to the inlet, of the shell 13, and an auxiliary valve disc 3 is arranged at one end, close to the outlet, of the shell 13;
the main valve disc 1 is an eccentric valve disc and is connected with a driving and measuring integrated device 6 through a rotating shaft I2, and the driving and measuring integrated device 6 comprises a torque sensor, an angle sensor, a driver and a controller;
the auxiliary valve disc 3 is a central valve disc, a driver shell 5 is sleeved on a rotating shaft II 4 of the auxiliary valve disc 3, a fixed partition 14 is arranged in the middle of the driver shell 5, a driving disc 12 is fixed on one side, located on the fixed partition 14, of the rotating shaft II 4 of the auxiliary valve disc 3, and a connecting arm 15 is fixed on the other side; the two sides of the driving disk 12 are respectively provided with a high-pressure air bag 9 and a low-pressure air bag 11, the high-pressure air bag 9 is connected to one side, close to the inlet, of the main valve disk 1 through a high-pressure pipe 7, the low-pressure air bag 11 is connected to one side, far away from the inlet, of the main valve disk 1 through a low-pressure pipe 8, the end of the connecting arm 15 is connected with the fixed partition 14 through a balance spring 10, and in an initial state, the balance spring 10 enables the driving disk 12 to rotate towards the direction of the high-pressure air bag 9 and.
The controller in the embodiment is an SC51 single-chip microcomputer controller and is provided with a wireless transmission module, the auxiliary valve disc 3 is internally provided with a sealing element, the angle sensor is an optical fiber displacement sensor, and the driver is a motor.
Description of specific embodiments:
the main valve disc 1 is an eccentric valve disc, and a first rotating shaft 2 of the main valve disc 1 deviates to one side of the main valve disc 1 and is used for generating torque; the main valve disc 1 is fixedly connected with the drive measurement integration device 6 and rotates under the drive of a driver in the drive measurement integration device 6; the sub-valve disc 3 is positioned at the downstream of the main valve disc 1, the sub-valve disc 3 is a central valve disc, and the second rotating shaft 4 of the sub-valve disc 4 is positioned at the central position of the sub-valve disc 3.
The main valve disc 1 can be opened bidirectionally, the driver of the drive measurement integration device 6 can be a self-operated spring device, and can also be an electric actuator, the high-pressure pipe 7 and the low-pressure pipe 8 can be air pipes made of any material, the high-pressure air bag 9 and the low-pressure air bag 11 can bear gas or liquid media, the housing 13, the main valve disc 1 and the auxiliary valve disc 3 can be square or round and other shapes, the areas of the main valve disc 1 and the auxiliary valve disc 3 are selected by design calculation, when the upstream and downstream differential pressure of the main valve disc 1 is lower than a certain lower limit value, the auxiliary valve disc 3 is fully opened, when the upstream and downstream differential pressure of the main valve disc 1 is higher than a certain upper limit value, the auxiliary valve disc 3 is fully closed, and the parameters of the balance spring 10 and the driving disc 12 can be selected by.
In an initial state, the main valve disc 1 and the main valve disc 2 are fixed at a certain opening, when the main valve disc 1 is in work, when fluid passes through the main valve disc 1, net torque is generated and pushes the main valve disc 1 to be opened at a certain angle, a torque value is measured by the driving and measuring integrated device 6, the driving and measuring integrated device 6 measures torque and angle signals by using an internal torque sensor and an internal angle sensor, and a controller calculates a real-time flow value. At this time, because there is a pressure difference between the upstream and downstream of the main valve disc 1, the pressure difference is transmitted to the high-pressure air bag 9 and the low-pressure air bag 11 by the high-pressure pipe 7 and the low-pressure pipe 8, respectively, the expansion volume of the high-pressure air bag 9 is greater than that of the low-pressure air bag, so as to push the driving disc 12 to rotate, the driving disc 12 drives the sub-valve disc 3 to rotate by a certain angle, when the upstream and downstream pressure difference of the main valve disc 1 is gradually increased, the sub-valve disc 3 is gradually closed under the action of the driving disc 12, and when the front and rear pressure difference of the main valve disc 1 is decreased, the high-pressure air bag gradually loses the driving force, so that the sub-valve disc 3 is gradually opened under.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including 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. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope. Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (5)
1. The utility model provides a take automatic safety device's torque type valve flowmeter which characterized in that: the valve comprises a shell, wherein one end of the shell is an inlet, the other end of the shell is an outlet, a main valve disc is arranged at one end of the shell close to the inlet, and an auxiliary valve disc is arranged at one end close to the outlet;
the main valve disc is an eccentric valve disc and is connected with a drive measurement integrated device through a rotating shaft, and the drive measurement integrated device comprises a torque sensor, an angle sensor, a driver and a controller;
the auxiliary valve disc is a central valve disc, a driver shell is sleeved on a second rotating shaft of the auxiliary valve disc, a fixed partition plate is arranged in the middle of the inside of the driver shell, a driving disc is fixed on one side, located on the fixed partition plate, of the second rotating shaft of the auxiliary valve disc, and a connecting arm is fixed on the other side of the second rotating shaft of the auxiliary valve disc; the two sides of the driving disc are respectively provided with a high-pressure air bag and a low-pressure air bag, the high-pressure air bag is connected to one side, close to the inlet, of the main valve disc through a high-pressure pipe, the low-pressure air bag is connected to one side, far away from the inlet, of the main valve disc through a low-pressure pipe, the end portion of the connecting arm is connected with the fixed partition plate through a balance spring, in an initial state, the balance spring enables the driving disc to rotate towards the direction of the high-pressure air.
2. The torque valve flowmeter with automatic protection device of claim 1, characterized in that: the controller is an SC51 single-chip microcomputer controller and is provided with a wireless transmission module.
3. The torque valve flowmeter with automatic protection device of claim 1, characterized in that: the auxiliary valve disc is internally provided with a sealing element.
4. The torque valve flowmeter with automatic protection device of claim 1, characterized in that: the angle sensor is an optical fiber displacement sensor.
5. The torque valve flowmeter with automatic protection device of claim 1, characterized in that: the driver adopts a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874688.7U CN212251431U (en) | 2020-05-22 | 2020-05-22 | Torque type valve flowmeter with automatic protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874688.7U CN212251431U (en) | 2020-05-22 | 2020-05-22 | Torque type valve flowmeter with automatic protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212251431U true CN212251431U (en) | 2020-12-29 |
Family
ID=73976062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874688.7U Active CN212251431U (en) | 2020-05-22 | 2020-05-22 | Torque type valve flowmeter with automatic protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212251431U (en) |
-
2020
- 2020-05-22 CN CN202020874688.7U patent/CN212251431U/en active Active
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