CN208333371U - A kind of angle detection device of compressor inlet adjustable guide vane - Google Patents
A kind of angle detection device of compressor inlet adjustable guide vane Download PDFInfo
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- CN208333371U CN208333371U CN201821141077.0U CN201821141077U CN208333371U CN 208333371 U CN208333371 U CN 208333371U CN 201821141077 U CN201821141077 U CN 201821141077U CN 208333371 U CN208333371 U CN 208333371U
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- angular displacement
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- guide vane
- conversion equipment
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 210000005069 ears Anatomy 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000001088 anti-asthma Effects 0.000 description 1
- 239000000924 antiasthmatic agent Substances 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
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- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of angle detection devices of compressor inlet adjustable guide vane.The utility model includes angular displacement conversion equipment hold-down support and erection support；The bottom of the angular displacement conversion equipment hold-down support is fixed at the top of the erection support, and the top of the angular displacement conversion equipment hold-down support is equipped with cover board；In the angular displacement conversion equipment hold-down support, top is fixed with angular displacement switching controller, lower section setting one rotates coaxially cylinder with angular displacement switching controller rotation connection, the driven rotation axis that the lower rotation connection one for rotating coaxially cylinder extends downwardly, the driven rotation axle position is in the erection support；One guide vane active rotation axis is upwardly extended and is protruded into the erection support；The driven rotation axis is fixedly and coaxially connected by connector and the guide vane active rotation axis.The utility model solves the problems such as installing and dismounting is inconvenient, combustion engine vibration is big on the influence of guide vane angle real-time measurement.
Description
Technical field
The utility model belongs to Angular Displacement Detecting equipment, specifically a kind of angle of compressor inlet adjustable guide vane
Spend detection device.
Background technique
Gas turbine blower surge is the most common failure of multiatage axial flow compressor.Multiatage axial flow compressor surge sheet
Reason in matter is booster stage and the circulation energy of booster stage below before compressor when gas turbine is in off design point work
Power mismatches, thus causes " whirlpool after preceding asthma " or " breathing heavily behind preceding whirlpool " phenomenon.When surge occurs for compressor, the continuous movement of air-flow
Not only make compressor cisco unity malfunction, will cause gas supply when serious and interrupt, makes combustion chamber is flame-out gas turbine is caused to stop, also
Serious destruction can be caused to blade.Thus to guarantee that compressor steady operation, essential measure are exactly rationally to control to flow through to calm the anger
Machine air mass flow at different levels, is allowed to match with negotiability, keep air flowing it is steady with it is continuous.
In order to improve the working characteristics of compressor, expand stable operation range, on the axial-flow compressor of high supercharging pressure level
It is equipped with anti-surge installation, anti-asthma vibration means can be divided into deflation structure by its structure type, compressor inlet can be changed camber inlet guide
Blade or transducible stream blade etc..When compressor is using the transducible stream blade of import, can rotating vane piece by pressurized strut in controller
Instruct lower-pilot.The control stick of pressurized strut drives linkage ring rotation, and linkage annulus moves the rocker arm of the whole guide vanes of this grade, makes institute
There is blade synchronization to rotate a respective angles.In order to accurately regulate and control the angle of guide vane in due course, need real-time detection should
Angle.
Utility model content
For the angle for accurately detecting compressor inlet adjustable guide vane, the utility model provides a kind of angle detection dress
It sets, can be effectively applied to the angle detection of gas turbine compressor inlet adjustable guide vane, which can be simply and effectively
It is mounted at gas turbine inlet air guide vane angle pressurized strut, engine luggine is also smaller on the influence of its measurement accuracy, to solve
Installing and dismounting is inconvenient, combustion engine vibration influences the technical problems such as big to guide vane angle real-time measurement.
The utility model is to solve its technical problem to be achieved through the following technical solutions:
A kind of angle detection device of compressor inlet adjustable guide vane, including angular displacement conversion equipment hold-down support and
Erection support；
The bottom of the angular displacement conversion equipment hold-down support is fixed at the top of the erection support, the angle position
The top for transferring changing device hold-down support is equipped with cover board；
In the angular displacement conversion equipment hold-down support, top is fixed with angular displacement switching controller, lower section setting one
With the cylinder that rotates coaxially of angular displacement switching controller rotation connection, the lower rotation connection one for rotating coaxially cylinder is downwards
The driven rotation axis of extension, the driven rotation axle position is in the erection support；
One guide vane active rotation axis is upwardly extended and is protruded into the erection support；
The driven rotation axis is fixedly and coaxially connected by connector and the guide vane active rotation axis.
In the angle detection device of the compressor inlet adjustable guide vane of the utility model, when guide vane active rotation axis turns
When dynamic, the driven rotation axis of angular displacement conversion equipment is rotated synchronously.When driven rotation axis rotates, angular displacement switching controller
The voltage at both ends will change, and be linear relationship between the variation and angle of voltage.By back-end circuit processing circuit plate into
After the related conditioning of row, the electric current that voltage change is converted to 4mA~20mA of standard is exported, electric current and angle also linear pass
System, shows the angle of compressor inlet guide vane on a display screen.Angular displacement switching controller passes through signal cable line and electronics control
Device processed is connected, and sensor exports two-wire system current signal.
Preferably, the bottom outer-edge of the angular displacement conversion equipment hold-down support is circumferentially with several support ears, each institute
Support ear is stated to be fixed on by fastener on the top surface of the erection support.
Preferably, each support ear is fixed on the top surface of the erection support by fastening screw.
Preferably, the bottom of the erection support is fixed at the top of angle pressurized strut by fastener.
Preferably, the angular displacement switching controller is equipped with signal cable line, and the signal cable line passes through the angle
Displacement converter device hold-down support is connect with external signal pickup assembly.
Preferably, the driven rotation axis is fixedly and coaxially connected by fastening screw and the guide vane active rotation axis.
Compared with prior art, the angle detection device of the compressor inlet adjustable guide vane of the utility model, can
It is efficiently applied to the angle detection of gas turbine compressor inlet adjustable guide vane, has the beneficial effect that this reality
It can be simply and effectively mounted on outside compressor at casing with novel angle detection device, convenient disassembly, the structure is for starting
Machine vibration is smaller on its measurement accuracy influence, and structure is simple, weight is relatively lighter, stability is relatively good, at low cost, convenient for drop
Low cost solves the problems such as installing and dismounting is inconvenient, cost is relatively high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be noted that as described below is only the preferable implementation of the utility model
Therefore example does not limit the protection scope of the utility model.It should be noted that the realization side for not being painted or describing in attached drawing
Formula is form known to a person of ordinary skill in the art in technical field.In addition, the direction term mentioned in following embodiment, example
Such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" are only the directions with reference to attached drawing.Therefore, the side used
The utility model is intended to be illustrative and not intended to limit to term.
As shown in Figure 1, the angle detection device of the compressor inlet adjustable guide vane of the utility model, compressor inlet
Adjustable guide vane is driven by angle pressurized strut (not shown), and guide vane active rotation axis 7 is stretched out in angle pressurized strut upwards, is pressed
Mechanism of qi import adjustable guide vane carries out angulation change under the driving of guide vane active rotation axis 7, and angle detection device includes angle
Displacement converter device hold-down support 2 and erection support 8, if the bottom outer-edge of angular displacement conversion equipment hold-down support 2 is circumferentially with
Dry support ear, each support ear are fixed on the top surface of erection support 8 by fastening screw, and the bottom of erection support 8 passes through tight
Firmware is fixed at the top of pressurized strut.
The top of angular displacement conversion equipment hold-down support 2 is equipped with cover board 1, in angular displacement conversion equipment hold-down support 2, top
It is fixedly installed angular displacement switching controller 3, lower section setting rotates coaxially cylinder 4 with what angular displacement switching controller 3 was rotatablely connected,
The lower rotation for rotating coaxially cylinder 4 connects the driven rotation axis 5 extended downwardly, and driven rotation axis 5 is located in erection support 8, leads
Leaf active rotation axis 7 is upwardly extended and is protruded into erection support 8, and driven rotation axis 5 is actively rotated by fastening screw 6 and guide vane
Axis 7 is fixedly and coaxially connected.Angular displacement switching controller 3 is equipped with signal cable line 9, and signal cable line 9 is converted across angular displacement
Device hold-down support 2 is connect with external signal pickup assembly.
In the angle detection device of the compressor inlet adjustable guide vane of the utility model, when guide vane active rotation axis 7
When rotation, the driven rotation axis 5 of angular displacement conversion equipment is rotated synchronously.When driven rotation axis 5 rotates, angular displacement conversion control
The voltage at 3 both ends of device processed will change, and be linear relationship between the variation and angle of voltage.Pass through back-end circuit processing circuit
After plate carries out related conditioning, the electric current that voltage change is converted to the 4-20mA of standard is exported, electric current and angle also linear pass
System, shows the angle of compressor inlet guide vane on a display screen.
The utility model can be simply and effectively mounted at the outer casing of compressor, and convenient disassembly, the structure is for starting
Machine vibration influences its measurement accuracy smaller, and structure is simple, basic principle that the utility model has been shown and described, main
Feature and advantage.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. a kind of angle detection device of compressor inlet adjustable guide vane, including angular displacement conversion equipment hold-down support (2)
With erection support (8), it is characterised in that:
The bottom of the angular displacement conversion equipment hold-down support (2) is fixed at the top of the erection support (8), the angle
The top of displacement converter device hold-down support (2) is equipped with cover board (1),
In the angular displacement conversion equipment hold-down support (2), top is fixed with angular displacement switching controller (3), lower section setting
One rotates coaxially cylinder (4) with what the angular displacement switching controller (3) was rotatablely connected, and the bottom for rotating coaxially cylinder (4) turns
The driven rotation axis (5) that dynamic connection one extends downwardly, the driven rotation axis (5) are located in the erection support (8),
One guide vane active rotation axis (7) is upwardly extended and is protruded into the erection support (8),
The driven rotation axis (5) is fixedly and coaxially connected by connector with the guide vane active rotation axis (7).
2. angle detection device according to claim 1, it is characterised in that: the angular displacement conversion equipment hold-down support
(2) bottom outer-edge is circumferentially with several support ears, and each support ear is fixed on the erection support (8) by fastener
Top surface on.
3. angle detection device according to claim 2, it is characterised in that: each support ear is fixed by fastening screw
On the top surface of the erection support (8).
4. angle detection device according to claim 1, it is characterised in that: the bottom of the erection support (8) passes through tight
Firmware is fixed at the top of an angle pressurized strut.
5. angle detection device according to claim 1, it is characterised in that: set on the angular displacement switching controller (3)
Have signal cable line (9), the signal cable line (9) passes through the angular displacement conversion equipment hold-down support (2) and external letter
The connection of number acquisition device.
6. angle detection device according to claim 1, it is characterised in that: the driven rotation axis (5) passes through fastening spiral shell
Nail is fixedly and coaxially connected with the guide vane active rotation axis (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141077.0U CN208333371U (en) | 2018-07-18 | 2018-07-18 | A kind of angle detection device of compressor inlet adjustable guide vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141077.0U CN208333371U (en) | 2018-07-18 | 2018-07-18 | A kind of angle detection device of compressor inlet adjustable guide vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208333371U true CN208333371U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821141077.0U Active CN208333371U (en) | 2018-07-18 | 2018-07-18 | A kind of angle detection device of compressor inlet adjustable guide vane |
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| Country | Link |
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| CN (1) | CN208333371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587882A (en) * | 2021-07-29 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Angular displacement measuring tool for compressor stator assembly linkage mechanism and using method |
-
2018
- 2018-07-18 CN CN201821141077.0U patent/CN208333371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587882A (en) * | 2021-07-29 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Angular displacement measuring tool for compressor stator assembly linkage mechanism and using method |
| CN113587882B (en) * | 2021-07-29 | 2024-01-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Tool for measuring angular displacement of linkage mechanism of stator assembly of air compressor and application method |
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