CN221097680U - CV valve position feedback redundancy logic optimizing device of gas turbine - Google Patents
CV valve position feedback redundancy logic optimizing device of gas turbine Download PDFInfo
- Publication number
- CN221097680U CN221097680U CN202322922988.4U CN202322922988U CN221097680U CN 221097680 U CN221097680 U CN 221097680U CN 202322922988 U CN202322922988 U CN 202322922988U CN 221097680 U CN221097680 U CN 221097680U
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- valve
- gas turbine
- frame body
- feedback
- sensor
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- 238000005457 optimization Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000000691 measurement method Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Control Of Turbines (AREA)
Abstract
The utility model relates to a fuel engine CV valve position feedback redundancy logic optimizing device. At present, the CV valve feedback device of the gas turbine is only provided with a valve position opening sensor, the used position measurement method does not adopt triple redundancy measurement, the hidden danger of single-point protection exists, and the tripping event of the gas turbine is extremely easy to occur due to the fault of the position feedback measurement loop. A gas turbine CV valve position feedback redundancy logic optimization apparatus comprising: the valve feedback sensor (1), magnetic pole (2) are installed at valve feedback sensor's top, embolia on the magnetic pole has magnetic ring (3), and the magnetic pole passes jack A (5) on sensor mounting bracket (4) and jack B (7) on carriage (6) respectively, has seted up three jack B and a door pole hole (8) on the carriage, has inserted door pole (9) in the door pole hole, and door pole and carriage fixed connection, carriage's below and magnetic ring fixed connection. The utility model is applied to the field of a CV valve feedback device of a combustion engine.
Description
Technical Field
The utility model relates to a fuel engine CV valve position feedback redundancy logic optimizing device.
Background
At present, the CV valve feedback device of the fuel engine of Beijing, china and thermoelectric limited company is only provided with one valve position opening sensor, and a feedback signal is transmitted to the TCS control system through a cable. Monitoring of the actual position of the CV valve is achieved. The position measurement method does not adopt triple redundant measurement, has the hidden trouble of single-point protection, and is extremely easy to cause tripping events of the gas turbine due to faults of a position feedback measurement loop.
Disclosure of Invention
The utility model aims to provide a CV valve position feedback redundancy logic optimizing device of a gas turbine.
The above object is achieved by the following technical scheme:
A gas turbine CV valve position feedback redundancy logic optimization apparatus comprising: the valve feedback sensor, the top of valve feedback sensor install the magnetic pole, the magnetic pole on embolia and have the magnetic ring, the magnetic pole pass jack A on the sensor mounting bracket and jack B on the sliding support respectively, the sliding support on seted up three jack B and a door pole hole, the door pole has been inserted in the door pole hole, and door pole and sliding support fixed connection, the below of sliding support with magnetic ring fixed connection, drive the magnetic ring on the sliding support and move on the magnetic pole when the door pole removes.
The gas turbine CV valve position feedback redundancy logic optimizing device is characterized in that the sensor mounting frame is connected by a first frame body and a second frame body, bolt mounting holes are formed in the first frame body and the second frame body, bolts penetrate into the bolt mounting holes in the first frame body and the second frame body, and the second frame body is connected with the oil motor shell through the bolts.
The valve feedback sensor is connected with the prefabricated cable.
The fuel engine CV valve position feedback redundancy logic optimizing device is characterized in that the sliding support is of a triangular structure.
The utility model has the beneficial effects that:
1. The utility model has the advantages of simple structure, easy installation, difficult damage, less unnecessary links, strong practicability and the like. The support for installing the valve feedback sensor is modified, a position feedback device installing hole site is newly added, the position feedback device installing hole site is composed of a sliding support and a sensor installing frame, and the position feedback device installing hole site and the original feedback device form a whole, so that accurate measurement of actual opening is guaranteed to be realized simultaneously.
2. The utility model changes the on-site mounting bracket, ensures that the three groups of valve feedback sensors are at the same horizontal height, and the magnetic ring of the valve feedback sensors can act with the door rod simultaneously through the sliding bracket when the door rod acts. And simultaneously, the feedback signal is connected into a TCS control system to modify corresponding logic.
3. The three groups of valve feedback sensors of the utility model simultaneously and independently measure, thereby ensuring the independence and stability of signals and avoiding influencing the normal operation of the unit due to the occurrence of a problem of one signal. After transformation, the gas turbine CV valve feedback device has good running condition, the CV valve is measured accurately, and the three groups of data difference values are in a reasonable interval.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the structure of the sensor mount.
Fig. 3 is a schematic structural view of the sliding bracket.
In the figure: 1. the valve feedback sensor comprises a valve feedback sensor body 2, a magnetic rod, a magnetic ring 3, a sensor mounting frame 4, a 5, jacks A and 6, a sliding support 7, jacks B and 8, a door rod hole 9, a door rod 10, a motor shell 11, a prefabricated cable 4-1, a first frame body 4-2, a second frame body 4-3 and a bolt mounting hole.
Detailed Description
Examples
A gas turbine CV valve position feedback redundancy logic optimization apparatus comprising: the valve feedback sensor 1, the top of valve feedback sensor install magnetic pole 2, the magnetic pole on embolia and have magnetic ring 3, the magnetic pole pass jack A5 on the sensor mounting bracket 4 and jack B7 on the sliding support 6 respectively, the sliding support on set up three jack B and a door pole hole 8, door pole 9 has been inserted in the door pole hole, and door pole and sliding support fixed connection, the below of sliding support with magnetic ring fixed connection, valve feedback sensor and magnetic pole between be connected as an organic whole, the door pole inserts in the door pole hole on the sliding support, and with door pole and sliding support fixed connection, when the door pole carries out vertical upwards or down movement, the door pole drives the sliding support and carries out vertical upwards or vertical down movement on the magnetic pole, embolias in the magnetic pole, and the magnetic ring is fixed connection with the bottom of sliding support, consequently can drive the magnetic ring and carry out the motion when the sliding support carries out vertical upwards or down movement to make the magnetic ring carry out on the magnetic pole.
The sensor mounting frame is connected by a first frame body 4-1 and a second frame body 4-2, bolt mounting holes 4-3 are formed in the first frame body and the second frame body, bolts penetrate into the bolt mounting holes in the first frame body and the second frame body, and the second frame body is connected with the engine shell 10 through the bolts. The valve feedback sensor is a BALLUFF BTL04N9, and is made of BTL5-E17-M0075-B-NEX-S32 sensor.
Examples
The gas turbine CV valve position feedback redundancy logic optimizing device is characterized in that three arc-shaped grooves are respectively formed in the first frame body and the second frame body, after the first frame body and the second frame body are closed, three arc-shaped grooves form three insertion holes A, a magnetic rod penetrates into the three insertion holes A respectively, one side of the second frame body is attached to a housing of the oil motor, threaded holes are formed in the housing of the oil motor, bolts penetrate through bolt mounting holes in the first frame body and bolt mounting holes in the second frame body respectively, then the first frame body and the second frame body are fixed, the second frame body is fixed with the housing of the oil motor, and accordingly three valve feedback sensors are fixed through a sensor mounting frame. The valve feedback sensor is connected with the prefabricated cable 11. The sliding support is of a triangular structure. The diameters of the three jacks B on the sliding support are the same.
Examples
The CV valve position feedback redundancy logic optimizing device of the gas turbine carries out corresponding logic modification in the logic of a control system (three-way taking is adopted as a final logic output value for three measurement signals of each measurement system, if one of the three measurement signals has a fault signal, the point is automatically removed from the logic and the fault alarm of the measuring point is output, the screening of the output value carries out two-way large screening in the remaining two effective signals, if the three measurement signals have two fault signals, the three-way taking is removed, the two error signals are removed, the unique effective signal is taken as the output value, the two-way fault alarm of the measurement system is output, and if the three measurement signals all have faults, the gas turbine tripping signal of the measurement system errors is sent) so as to meet the requirement of redundancy measurement.
Claims (4)
1. A gas turbine CV valve position feedback redundancy logic optimization apparatus comprising: the valve feedback sensor, valve feedback sensor's top install the magnetic pole, the magnetic pole on embolia and have the magnetic ring, characterized by: the magnetic rod respectively passes through the jack A on the sensor mounting frame and the jack B on the sliding support, the sliding support is provided with three jacks B and a door rod hole, the door rod is inserted into the door rod hole, the door rod is fixedly connected with the sliding support, the lower part of the sliding support is fixedly connected with the magnetic ring, and the magnetic ring on the sliding support is driven to move on the magnetic rod when the door rod moves.
2. The gas turbine CV valve position feedback redundancy logic optimization apparatus of claim 1, wherein: the sensor mounting frame is connected by the first frame body and the second frame body, and the first frame body and the second frame body are provided with bolt mounting holes, bolts penetrate into the bolt mounting holes in the first frame body and the second frame body, and the second frame body is connected with the shell of the oil motor through the bolts.
3. The gas turbine CV valve position feedback redundancy logic optimization apparatus of claim 1, wherein: the valve feedback sensor is connected with the prefabricated cable.
4. The gas turbine CV valve position feedback redundancy logic optimization apparatus of claim 1, wherein: the sliding support is of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322922988.4U CN221097680U (en) | 2023-10-31 | 2023-10-31 | CV valve position feedback redundancy logic optimizing device of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322922988.4U CN221097680U (en) | 2023-10-31 | 2023-10-31 | CV valve position feedback redundancy logic optimizing device of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097680U true CN221097680U (en) | 2024-06-07 |
Family
ID=91319931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322922988.4U Active CN221097680U (en) | 2023-10-31 | 2023-10-31 | CV valve position feedback redundancy logic optimizing device of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097680U (en) |
-
2023
- 2023-10-31 CN CN202322922988.4U patent/CN221097680U/en active Active
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