CN113899412A - Turbine flowmeter - Google Patents
Turbine flowmeter Download PDFInfo
- Publication number
- CN113899412A CN113899412A CN202010577027.2A CN202010577027A CN113899412A CN 113899412 A CN113899412 A CN 113899412A CN 202010577027 A CN202010577027 A CN 202010577027A CN 113899412 A CN113899412 A CN 113899412A
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- Prior art keywords
- turbine
- guider
- sealing
- interface circuit
- measurement unit
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- 238000005259 measurement Methods 0.000 claims abstract description 39
- 238000003745 diagnosis Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 238000010183 spectrum analysis Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a turbine flowmeter, belongs to the field of hydraulic pressure, and mainly solves the problems of large volume and single function of the conventional turbine flowmeter. The invention integrates the flow measurement, temperature detection, pressure detection and fault diagnosis functions into a whole, utilizes the inertia measurement unit to measure the rotating speed of the turbine and collect vibration information, and utilizes the microprocessor to analyze signals. The invention has the advantages of compact structure, small volume, complete functions, high signal quality and abundant transmission interfaces, and improves the overall performance of the flowmeter.
Description
The technical field is as follows:
the invention relates to a turbine flowmeter, and belongs to the field of hydraulic pressure.
Background art:
turbine flowmeter mainly used measures liquid flow, and current turbine flowmeter passes through magnetoelectric sensor and measures the turbine rotational speed, acquires flow information on this basis, and the function is comparatively single. Because magnetoelectric sensor is perpendicular with the turbine axis, cause current turbine flowmeter overall size great, can't be in the narrow and small occasion application in space.
The invention content is as follows:
the invention provides a turbine flowmeter, aiming at solving the problems of larger size and single function of the existing turbine flowmeter.
The invention discloses a turbine flowmeter which comprises a digital display device (101), an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104), a wireless device interface circuit (105), a microcontroller (106), a liquid pressure sensor (107), an analog-to-digital converter (108), a temperature sensor (109), a digital-to-analog converter (110), a V/I conversion circuit (111), a guider inertia measurement unit (112), a turbine inertia measurement unit (113), an acousto-optic alarm device (114), an indicator light set (115), locking nuts (201A), (201B), a front guider (202), a shell (203), bearings (204A), (204B), a guide sleeve (205), a turbine (206), a turbine shaft (207), a conductive slip ring locking nut (208), a conductive slip ring (209), a circuit board (210A), (210B) The device comprises a rotary inertia measurement unit fixing frame (211), sealing rings (212A) and (212B), sealing end covers (213A) and (213B), sealing aerial sockets (214A), (214B) and (214C), a rear guider (215) and an external display device (216).
The Ethernet CAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104) and the wireless device interface circuit (105) are connected with input and output interfaces of a microcontroller (106), the output interface of the microcontroller (106) is respectively connected with an input interface of a digital-to-analog converter (110), an input interface of an audible and visual alarm device (114), an input interface of an indicator light set (115) and an input interface of a digital display device (101), and the output interface of the digital-to-analog converter (110) is connected with an input interface of a V/I conversion circuit (111). The input interface of the microcontroller (106) is respectively connected with the output interface of the turbine inertia measuring unit (113), the output interface of the guider inertia measuring unit (112) and the output interface of the analog-to-digital converter (108), and the input interface of the analog-to-digital converter (108) is respectively connected with the output interface of the liquid pressure sensor (107) and the output interface of the temperature sensor (109).
The locking nut (201A) is connected with the shell (203) through threads, the front guider (202) moves in the axial direction, the outer circle of the front guider (202) is matched with the inner circle of the shell (203), the front guider (202) is connected with the outer circle of the bearing (204A), the inner circle of the bearing (204A) is connected with one end of a turbine shaft (207), the outer circle of the turbine shaft (207) is matched with a hole of a turbine (206), the other end of the turbine shaft (207) is connected with the inner circle of the bearing (204B), the outer circle of the bearing (204B) is connected with the rear guider (215), the outer circle of the rear guider (215) is matched with the inner circle of the shell (203), the rear guider (215) is axially fixed through the locking nut (201B), and the locking nut (201B) is connected with the shell (203) through threads.
The outer circle of the conductive sliding ring (209) is matched with the rear guider (215), and the conductive sliding ring is fixed in the axial direction through a conductive sliding ring locking nut (208). The inner circle of the conductive slip ring (209) is matched with the outer circle of the rotating inertia measurement unit fixing frame (211) and is fixed through screws, and one end of the rotating inertia measurement unit fixing frame (211) is matched with the turbine shaft (207) through a square hole to realize coaxial rotation of the rotating inertia measurement unit fixing frame and the turbine shaft. The other end of the rotating inertia measurement unit fixing frame (211) is connected with a sealing end cover (213A) through threads, and the sealing end cover (213A) and a sealing ring (212A) jointly act to prevent oil from entering the rotating inertia measurement unit fixing frame (211).
The sealed aerial plug (214A) is connected with a sealed end cover (213A) through threads, one end of the sealed aerial plug (214A) is connected with a circuit board (210A), the other end of the sealed aerial plug (214A) is connected with an inner ring lead of the conductive slip ring (209), and the circuit board (210A) is connected with the rotating inertia measuring unit fixing frame (211) through screws.
The liquid pressure sensor (107) and the temperature sensor (109) are connected with the rear guider (215) through threads and are arranged in a cavity of the rear guider (215). The circuit board (210B) is fixed in the cavity of the rear guider (215) through screws.
The sealing end cover (213B) is connected with the rear guider (215) through threads, the sealing end cover (213B) and the sealing ring (212B) jointly act to prevent oil from entering a cavity of the rear guider (215), the sealing aerial plug (214B) is connected with the sealing end cover (213B) through threads, one end of the sealing aerial plug (214B) is connected with the circuit board (210B), and the other end of the sealing aerial plug (214B) is connected with an outer ring lead of the conductive slip ring (209).
The sealed aerial plug (214C) is connected with the shell (203) through threads, and one end of the sealed aerial plug (214C) is connected with an outer ring lead of the conductive slip ring (209).
The external display device (216) is connected with the shell (203) through a screw,
the turbine inertia measurement unit (113) is integrated on a circuit board (210A), and the EtherCAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104), the wireless device interface circuit (105), the microcontroller (106), the analog-to-digital converter (108), the digital-to-analog converter (110), the V/I conversion circuit (111) and the guider inertia measurement unit (112) are integrated on a circuit board (210B).
The digital display device (101), the sound-light alarm device (114) and the indicator light set (115) are integrated on the external display device (216).
The external device (216) may be discarded when no on-site display is required.
The fluid pressure sensor (107) may be discarded when fluid pressure measurement is not required.
The temperature sensor (109) may be discarded when temperature measurement is not required.
The inner and outer rings of the conductive slip ring (209) are free to rotate.
The microcontroller (106) is a floating-point DSP, and the guider inertia measurement unit (112) and the turbine inertia measurement unit (113) can detect the information of three-axis angular velocity and three-axis acceleration under a Cartesian coordinate system.
The indicator light set (115) comprises a normal operation indicator light and a fault indicator light.
The invention has the advantages that: the invention integrates the flow measurement, temperature detection, pressure detection and fault diagnosis functions into a whole, utilizes the inertia measurement unit to measure the rotating speed of the turbine and collect vibration information, has better signal quality and smaller volume, and improves the overall performance of the flowmeter.
The invention integrates various sensors in the flowmeter, has compact structure and small volume, can measure flow, pressure, temperature and vibration information, can realize fault self-diagnosis and alarm when an internal bearing or a supporting piece has a fault, and has more comprehensive functions.
Drawings
FIG. 1 is a block diagram of the electrical structure of the flow meter
FIG. 2 flow meter architecture diagram
FIG. 3 rotating inertia measuring unit fixing frame
Detailed Description
The specific implementation mode is as follows: the turbine flowmeter principle is explained below with reference to fig. 1, 2 and 3. The invention discloses a turbine flowmeter which comprises a digital display device (101), an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104), a wireless device interface circuit (105), a microcontroller (106), a liquid pressure sensor (107), an analog-to-digital converter (108), a temperature sensor (109), a digital-to-analog converter (110), a V/I conversion circuit (111), a guider inertia measurement unit (112), a turbine inertia measurement unit (113), an acousto-optic alarm device (114), an indicator light set (115), locking nuts (201A), (201B), a front guider (202), a shell (203), bearings (204A), (204B), a guide sleeve (205), a turbine (206), a turbine shaft (207), a conductive slip ring locking nut (208), a conductive slip ring (209), a circuit board (210A), (210B) The device comprises a rotary inertia measurement unit fixing frame (211), sealing rings (212A) and (212B), sealing end covers (213A) and (213B), sealing aerial sockets (214A), (214B) and (214C), a rear guider (215) and an external display device (216).
The Ethernet CAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104) and the wireless device interface circuit (105) are connected with input and output interfaces of a microcontroller (106), the output interface of the microcontroller (106) is respectively connected with an input interface of a digital-to-analog converter (110), an input interface of an audible and visual alarm device (114), an input interface of an indicator light set (115) and an input interface of a digital display device (101), and the output interface of the digital-to-analog converter (110) is connected with an input interface of a V/I conversion circuit (111). The input interface of the microcontroller (106) is respectively connected with the output interface of the turbine inertia measuring unit (113), the output interface of the guider inertia measuring unit (112) and the output interface of the analog-to-digital converter (108), and the input interface of the analog-to-digital converter (108) is respectively connected with the output interface of the liquid pressure sensor (107) and the output interface of the temperature sensor (109).
The locking nut (201A) is connected with the shell (203) through threads, the front guider (202) moves in the axial direction, the outer circle of the front guider (202) is matched with the inner circle of the shell (203), the front guider (202) is connected with the outer circle of the bearing (204A), the inner circle of the bearing (204A) is connected with one end of a turbine shaft (207), the outer circle of the turbine shaft (207) is matched with a hole of a turbine (206), the other end of the turbine shaft (207) is connected with the inner circle of the bearing (204B), the outer circle of the bearing (204B) is connected with the rear guider (215), the outer circle of the rear guider (215) is matched with the inner circle of the shell (203), the rear guider (215) is axially fixed through the locking nut (201B), and the locking nut (201B) is connected with the shell (203) through threads.
The outer circle of the conductive sliding ring (209) is matched with the rear guider (215), and the conductive sliding ring is fixed in the axial direction through a conductive sliding ring locking nut (208). The inner circle of the conductive slip ring (209) is matched with the outer circle of the rotating inertia measurement unit fixing frame (211) and is fixed through screws, and one end of the rotating inertia measurement unit fixing frame (211) is matched with the turbine shaft (207) through a square hole to realize coaxial rotation of the rotating inertia measurement unit fixing frame and the turbine shaft. The other end of the rotating inertia measurement unit fixing frame (211) is connected with a sealing end cover (213A) through threads, and the sealing end cover (213A) and a sealing ring (212A) jointly act to prevent oil from entering the rotating inertia measurement unit fixing frame (211).
The sealed aerial plug (214A) is connected with a sealed end cover (213A) through threads, one end of the sealed aerial plug (214A) is connected with a circuit board (210A), the other end of the sealed aerial plug (214A) is connected with an inner ring lead of the conductive slip ring (209), and the circuit board (210A) is connected with the rotating inertia measuring unit fixing frame (211) through screws.
The liquid pressure sensor (107) and the temperature sensor (109) are connected with the rear guider (215) through threads and are arranged in a cavity of the rear guider (215). The circuit board (210B) is fixed in the cavity of the rear guider (215) through screws.
The sealing end cover (213B) is connected with the rear guider (215) through threads, the sealing end cover (213B) and the sealing ring (212B) jointly act to prevent oil from entering a cavity of the rear guider (215), the sealing aerial plug (214B) is connected with the sealing end cover (213B) through threads, one end of the sealing aerial plug (214B) is connected with the circuit board (210B), and the other end of the sealing aerial plug (214B) is connected with an outer ring lead of the conductive slip ring (209).
The sealed aerial plug (214C) is connected with the shell (203) through threads, and one end of the sealed aerial plug (214C) is connected with an outer ring lead of the conductive slip ring (209).
The external display device (216) is connected with the shell (203) through a screw,
the turbine inertia measurement unit (113) is integrated on a circuit board (210A), and the EtherCAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104), the wireless device interface circuit (105), the microcontroller (106), the analog-to-digital converter (108), the digital-to-analog converter (110), the V/I conversion circuit (111) and the guider inertia measurement unit (112) are integrated on a circuit board (210B).
The digital display device (101), the sound-light alarm device (114) and the indicator light set (115) are integrated on the external display device (216).
The external device (216) may be discarded when no on-site display is required.
The fluid pressure sensor (107) may be discarded when fluid pressure measurement is not required.
The temperature sensor (109) may be discarded when temperature measurement is not required.
The inner and outer rings of the conductive slip ring (209) are free to rotate.
The microcontroller (106) is a floating-point DSP, and the guider inertia measurement unit (112) and the turbine inertia measurement unit (113) can detect the information of three-axis angular velocity and three-axis acceleration under a Cartesian coordinate system.
The indicator light set (115) comprises a normal operation indicator light and a fault indicator light.
When the flowmeter is free of faults, the indicating lamp set (115) works normally, when liquid flow passes through the flowmeter to enable the turbine (206) to rotate, the turbine (206) drives the turbine shaft (207) and the rotating inertia measuring unit fixing frame (211) to rotate, the turbine inertia measuring unit (113) in the rotating inertia measuring unit fixing frame (211) rotates, the turbine inertia measuring unit (113) outputs angle degree information of the turbine (206) relative to an inertia coordinate system and transmits the information to the microcontroller (106), and the microcontroller (106) compares the information of the turbine inertia measuring unit (113) with the information of the guider inertia measuring unit (112) to obtain rotating speed information of the flowmeter and converts the rotating speed information into flow information. At the moment, according to actual needs, the flow meter CAN output flow information, liquid pressure information acquired by a liquid pressure sensor (107) and temperature information acquired by a temperature sensor (109) through an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104) or a wireless device interface circuit (105), and display corresponding information through a digital display device (101).
When the flowmeter works, when the bearings (204A) and (204B) or other faults cause vibration, the guider inertia measuring unit (112) transmits the acquired vibration acceleration information to the microcontroller (106), the microcontroller (106) performs frequency spectrum analysis on the vibration signals and compares the vibration signals with the frequency spectrum of the vibration signals in normal work, if the difference value between the vibration acceleration information and the frequency spectrum is larger than a set threshold value, the microcontroller (106) judges that the flowmeter has faults, the fault information is output through an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104) or a wireless device interface circuit (105), corresponding information display is performed through a digital display device (101), and at the moment, a fault indicating lamp set is lighted.
The operation of the invention comprises the following working conditions:
the working condition I is as follows: when the flowmeter is free of faults, the indicating lamp set (115) works normally, when liquid flow passes through the flowmeter to enable the turbine (206) to rotate, the turbine (206) drives the turbine shaft (207) and the rotating inertia measuring unit fixing frame (211) to rotate, the turbine inertia measuring unit (113) in the rotating inertia measuring unit fixing frame (211) rotates, the turbine inertia measuring unit (113) outputs angle degree information of the turbine (206) relative to an inertia coordinate system and transmits the information to the microcontroller (106), and the microcontroller (106) compares the information of the turbine inertia measuring unit (113) with the information of the guider inertia measuring unit (112) to obtain rotating speed information of the flowmeter and converts the rotating speed information into flow information. At the moment, according to actual needs, the flow meter CAN output flow information, liquid pressure information acquired by a liquid pressure sensor (107) and temperature information acquired by a temperature sensor (109) through an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104) or a wireless device interface circuit (105), and display corresponding information through a digital display device (101).
Working conditions are as follows: when the flowmeter is in fault, in the working process of the flowmeter, when the vibration is caused by the bearings (204A) and (204B) or other faults, the guider inertia measuring unit (112) transmits the collected vibration acceleration information to the microcontroller (106), the microcontroller (106) performs frequency spectrum analysis on the vibration signal and compares the vibration signal with the frequency spectrum of the vibration signal in normal working, if the difference value of the two is larger than a set threshold value, the microcontroller (106) judges that the flowmeter is in fault, the fault information is output through an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104) or a wireless device interface circuit (105), corresponding information is displayed through a digital display device (101), and at the moment, a fault indicating lamp set is lighted.
Claims (5)
1. The turbine flowmeter is characterized by comprising a digital display device (101), an EtherCAT bus interface circuit (102), a CAN bus interface circuit (103), a serial interface circuit (104), a wireless device interface circuit (105), a microcontroller (106), a liquid pressure sensor (107), an analog-to-digital converter (108), a temperature sensor (109), a digital-to-analog converter (110), a V/I conversion circuit (111), a guider inertia measurement unit (112), a turbine inertia measurement unit (113), an acousto-optic alarm device (114), an indicator light set (115), locking nuts (201A), (201B), a front guider (202), a shell (203), bearings (204A), (204B), a guide sleeve (205), a turbine (206), a turbine shaft (207), a conductive slip ring locking nut (208), a conductive slip ring (209), a circuit board (210A), (210B) The device comprises a rotary inertia measurement unit fixing frame (211), sealing rings (212A) and (212B), sealing end covers (213A) and (213B), sealing aerial sockets (214A), (214B) and (214C), a rear guider (215) and an external display device (216);
the EtherCAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104) and the wireless device interface circuit (105) are connected with an input/output interface of a microcontroller (106), the output interface of the microcontroller (106) is respectively connected with an input interface of a digital-to-analog converter (110), an input interface of an audible and visual alarm device (114), an input interface of an indicator lamp set (115) and an input interface of a digital display device (101), the output interface of the digital-to-analog converter (110) is connected with an input interface of a V/I conversion circuit (111), the input interface of the microcontroller (106) is respectively connected with an output interface of a turbine inertia measurement unit (113), an output interface of a guider inertia measurement unit (112) and an output interface of an analog-to-digital converter (108), and the input interface of the analog-to-digital converter (108) is respectively connected with an output interface, an input interface, an output interface and a liquid pressure sensor (107) of the analog-to-digital converter (108), The output interface of the temperature sensor (109) is connected;
the locking nut (201A) is connected with the shell (203) through threads, so that the front guider (202) moves in the axial direction, the outer circle of the front guider (202) is matched with the inner circle of the shell (203), the front guider (202) is connected with the outer circle of the bearing (204A), the inner circle of the bearing (204A) is connected with one end of a turbine shaft (207), the outer circle of the turbine shaft (207) is matched with a hole of a turbine (206), the other end of the turbine shaft (207) is connected with the inner circle of the bearing (204B), the outer circle of the bearing (204B) is connected with the rear guider (215), the outer circle of the rear guider (215) is matched with the inner circle of the shell (203), the rear guider (215) is axially fixed through the locking nut (201B), and the locking nut (201B) is connected with the shell (203) through threads;
the outer circle of the conductive sliding ring (209) is matched with the rear guider (215), and the conductive sliding ring is fixed in the axial direction through a conductive sliding ring locking nut (208), the inner circle of the conductive sliding ring (209) is matched with the outer circle of a rotating inertia measuring unit fixing frame (211) and fixed through a screw, one end of the rotating inertia measuring unit fixing frame (211) is matched with the turbine shaft (207) through a square hole to realize coaxial rotation of the conductive sliding ring and the rotating inertia measuring unit, the other end of the rotating inertia measuring unit fixing frame (211) is connected with a sealing end cover (213A) through threads, and the sealing end cover (213A) and a sealing ring (212A) jointly act to prevent oil from entering the rotating inertia measuring unit fixing frame (211);
the sealed aerial plug (214A) is connected with a sealed end cover (213A) through threads, one end of the sealed aerial plug (214A) is connected with a circuit board (210A), the other end of the sealed aerial plug (214A) is connected with an inner ring lead of a conductive slip ring (209), and the circuit board (210A) is connected with a rotating inertia measuring unit fixing frame (211) through screws;
the liquid pressure sensor (107) and the temperature sensor (109) are connected with the rear guider (215) through threads and are arranged in a cavity of the rear guider (215), and the circuit board (210B) is fixed in the cavity of the rear guider (215) through screws;
the sealing end cover (213B) is connected with the rear guider (215) through threads, the sealing end cover (213B) and the sealing ring (212B) jointly act to prevent oil from entering a cavity of the rear guider (215), the sealing aerial insert (214B) is connected with the sealing end cover (213B) through threads, one end of the sealing aerial insert (214B) is connected with the circuit board (210B), and the other end of the sealing aerial insert (214B) is connected with an outer ring lead of the conductive slip ring (209);
the sealed aerial plug (214C) is connected with the shell (203) through threads, and one end of the sealed aerial plug (214C) is connected with an outer ring lead of the conductive slip ring (209);
the external display device (216) is connected with the shell (203) through screws;
the turbine inertia measurement unit (113) is integrated on a circuit board (210A), and the EtherCAT bus interface circuit (102), the CAN bus interface circuit (103), the serial interface circuit (104), the wireless device interface circuit (105), the microcontroller (106), the analog-to-digital converter (108), the digital-to-analog converter (110), the V/I conversion circuit (111) and the guider inertia measurement unit (112) are integrated on a circuit board (210B);
the digital display device (101), the sound-light alarm device (114) and the indicator light set (115) are integrated on the external display device (216);
the external display device (216) may be discarded when no on-site display is required;
when no liquid pressure measurement is required, the liquid pressure sensor (107) may be discarded;
when no temperature measurement is needed, the temperature sensor (109) may be discarded;
the inner ring and the outer ring of the conductive slip ring (209) can rotate freely;
the microcontroller (106) is a floating-point DSP, and the guider inertia measurement unit (112) and the turbine inertia measurement unit (113) can detect the information of three-axis angular velocity and three-axis acceleration under a Cartesian coordinate system;
the indicator light set (115) comprises a normal operation indicator light and a fault indicator light.
2. A turbine flow meter according to claim 1, characterised in that it uses two inertial measurement units for turbine speed measurement.
3. A turbine meter according to claim 1, wherein the microcontroller is adapted to perform a spectral analysis of the vibration signal and to perform fault diagnosis and to issue an alarm signal.
4. A turbine flow meter according to claim 1 and claim 3, characterised in that it enables pressure, flow, temperature measurements and fault diagnostics.
5. A turbine flow meter according to claim 1, wherein the flow meter is adapted to transmit signals via a plurality of buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577027.2A CN113899412A (en) | 2020-06-19 | 2020-06-19 | Turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577027.2A CN113899412A (en) | 2020-06-19 | 2020-06-19 | Turbine flowmeter |
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| CN113899412A true CN113899412A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010577027.2A Pending CN113899412A (en) | 2020-06-19 | 2020-06-19 | Turbine flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118243200A (en) * | 2024-05-28 | 2024-06-25 | 上海真兰仪表科技股份有限公司 | Gas turbine flowmeter fault diagnosis method and system |
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| CN203177898U (en) * | 2013-04-08 | 2013-09-04 | 成都赛腾自动化工程有限公司 | Turbine flow meter used on hydraulic turbine set |
| CN104596593A (en) * | 2014-12-28 | 2015-05-06 | 宜宾机电一体化研究所 | Intelligent monitoring device for gas flow measurement |
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2020
- 2020-06-19 CN CN202010577027.2A patent/CN113899412A/en active Pending
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|---|---|---|---|---|
| KR980010369A (en) * | 1998-02-20 | 1998-04-30 | 김정언 | Cyclone Turbine Type Flow Meter |
| CN2537963Y (en) * | 2002-05-21 | 2003-02-26 | 田宏杰 | Intelligent gas flow meter |
| CN201440079U (en) * | 2009-02-10 | 2010-04-21 | 中国人民解放军总后勤部油料研究所 | Liquid turbine flowmeter |
| CN203177898U (en) * | 2013-04-08 | 2013-09-04 | 成都赛腾自动化工程有限公司 | Turbine flow meter used on hydraulic turbine set |
| CN104596593A (en) * | 2014-12-28 | 2015-05-06 | 宜宾机电一体化研究所 | Intelligent monitoring device for gas flow measurement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118243200A (en) * | 2024-05-28 | 2024-06-25 | 上海真兰仪表科技股份有限公司 | Gas turbine flowmeter fault diagnosis method and system |
| CN118243200B (en) * | 2024-05-28 | 2024-08-23 | 上海真兰仪表科技股份有限公司 | Gas turbine flowmeter fault diagnosis method and system |
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