CN109655268A - For simulating the experimental facilities of casing - Google Patents
For simulating the experimental facilities of casing Download PDFInfo
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- CN109655268A CN109655268A CN201710933225.6A CN201710933225A CN109655268A CN 109655268 A CN109655268 A CN 109655268A CN 201710933225 A CN201710933225 A CN 201710933225A CN 109655268 A CN109655268 A CN 109655268A
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- shell
- heating device
- experimental facilities
- heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a kind of for simulating the experimental facilities of casing, is related to simulation of engine field of experiment equipment, the temperature conditions to accurate simulation casing axially and radially each region.The experimental facilities includes shell and heating device, and shell is each divided into multiple regions along the circumferential direction and radial direction of itself, and each region is designed with heating device, and the heating device in each region can be controlled individually.Above-mentioned technical proposal, each region of casing have can independent control heating device, therefore can independent control experimental facilities shell each region internal temperature so that the temperature field inside experimental facilities is consistent with the temperature field of practical casing.
Description
Technical field
The present invention relates to simulation of engine field of experiment equipment, and in particular to a kind of for simulating the experimental facilities of casing.
Background technique
For rotating machinery since structure is complicated, working environment is special, and components are numerous, usually under high temperature and high pressure environment
After high speed rotation certain phase, since the heat of gas drives phenomena such as flowing, there is the temperature of engine interior different location not
It is uniformly distributed, rotary part can generate the different temperature difference at varying cross-section.This temperature difference will lead to the structure of rotary part
It deforms and generates thermal flexure phenomenon, to reduce the performance of rotary part.Further, since rotor axial temperature is different and bears
Substantially load causes the inconsistent uneven heating phenomenon for more exacerbating rotary part of thermal expansion amount before and after rotor.Therefore it is revolving
Turn in mechanical system design and development process, the heating device of simulation uneven heating temperature change distribution caused by even can be utilized
Influence to rotating machinery can have very big researching value.
In aero-engine complete machine development process, the functional development of heating device and processing design method than relatively limited,
Most of implementation is all the temperature change that rotary part axial direction is simulated using heating tube or region heating, and part is sent out
It is bright to design the device for realizing circumferential and axial heating, but it is usually given heating temperature, lack different parts heating temperature
The autonomous control ability of degree.And the Temperature Distribution in aero-engine real running environment is extremely complex, not only radial direction temperature
Degree is unevenly distributed, and in the axial direction there is also temperature distribution is non-uniform, and temperature difference also has certain difference with the difference of position
Different characteristic.Therefore designing one kind can be achieved at the same time the distribution of circumferential and axial non-uniform temperature and control different zones temperature difference
Heating device there is great work for true heated environment locating for more real simulation engine rotor rotary system
Journey researching value.
Inventors have found that at least there are following problems in the prior art: needing one kind in the industry can be in accurate simulation casing
The experimental facilities of portion's state.
Summary of the invention
One of purpose of the invention be propose it is a kind of for simulating the experimental facilities of casing, to accurate simulation casing
The axially and radially temperature conditions in each region.
To achieve the above object, the present invention provides following technical schemes:
The present invention provides a kind of for simulating the experimental facilities of casing, including shell and heating device, the shell edge
The circumferential direction of itself and it is radial be each divided into multiple regions, each region is designed with the heating device, the institute in each region
Stating heating device can individually control.
In an alternate embodiment of the invention, one or more heating devices are equipped in described each region.
In an alternate embodiment of the invention, it is equipped with multiple heating devices in described each region, is located at the same region
Interior all heating devices control temperature by a control equipment.
In an alternate embodiment of the invention, the heating device is set to the inner wall of the shell.
In an alternate embodiment of the invention, the heating device is set in a row along the circumferential direction and radial direction of the shell.
In an alternate embodiment of the invention, the heating device is uniformly arranged along the circumferential of the shell.
In an alternate embodiment of the invention, the heating device along the shell radially uniform arrangement.
In an alternate embodiment of the invention, the heating device includes heating watt and fixture, and the heating watt passes through the folder
Tool is fixedly linked with the shell.
In an alternate embodiment of the invention, the heating watt is attached at the inner wall of the shell.
In an alternate embodiment of the invention, thermal insulation layer is equipped between the heating watt and the inner wall of the shell.
In an alternate embodiment of the invention, the thermal insulation layer includes heat insulation foam.
In an alternate embodiment of the invention, the heating watt includes shell and resistance wire and thermoelectricity set on the interior of shell
It is even.
In an alternate embodiment of the invention, experimental facilities further includes control switch, the heating device and control switch electricity
Connection, the on-off of circuit where the control switch is used to control the heating device.
In an alternate embodiment of the invention, experimental facilities further includes temperature controller, and the temperature controller is set to where the heating device
The circuit in, the temperature controller is electrically connected with the heating device, and the temperature controller is for controlling the heating device
Temperature.
In an alternate embodiment of the invention, following one or more of them: breaker, power supply instruction is additionally provided in the circuit
Lamp.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
There is the heating device of energy independent control in above-mentioned technical proposal, each region of casing, therefore can independent control experimental facilities
The temperature in each region, so that the temperature field inside experimental facilities is consistent with the temperature field of practical casing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic view of the front view of experimental facilities provided in an embodiment of the present invention；
Fig. 2 is the shell of experimental facilities provided in an embodiment of the present invention and the structural schematic diagram of heating device；
Fig. 3 is the schematic side view of experimental facilities provided in an embodiment of the present invention；
Fig. 4 is A partial enlargement diagram in Fig. 3；
Fig. 5 is scheme of installation of the heating device on shell；
Fig. 6 is the diagrammatic cross-section of heating device；
Fig. 7 is the schematic diagram of internal structure of heating device；
Fig. 8 is circuit diagram where heating device.
Specific embodiment
Technical solution provided by the invention is illustrated in more detail below with reference to FIG. 1 to FIG. 8.
The embodiment of the present invention provides a kind of for simulating the experimental facilities of casing, including shell 10 and heating device 20, shell
Body 10 along itself circumferential direction and it is radial be each divided into multiple regions, each region is designed with heating device 20, in each region
Heating device 20 can individually control.
Referring to Fig. 3 and Fig. 4, shell 10 be it is hollow, shell 10 has the structure similar with casing for simulating casing
And size.
The region of shell 10 can be divided according to the actual temperature situation of required simulation casing, in each region individually
Heating device 20 is set.One or more can be set in heating device 20 in each region, depends on used heating and fills
The size in region setting 20 structure and being divided.
20 energy independent control of heating device in each region, enables it to freely control not in respective heating region
With the temperature at heating position, while the heated environment of axial and circumferential non-uniform temperature distribution is generated, can be used for simulating whirler
The even distribution of the uneven heating of tool system, or the quiet deformation at different temperatures of test rotor and rotor are in different temperatures
Under dynamic characteristic necessary temperature field condition is provided.Above-mentioned technical proposal can generate arbitrarily desired axis inside shell 10
To with circumferential non-uniform temperature field, and temperature distributing rule is controllable.
In an alternate embodiment of the invention, one or more heating devices 20 are equipped in each region.
Referring to Fig. 1, multiple heating devices 20 are equipped in each region, all heating devices 20 in the same area are logical
Cross a control equipment control temperature.
Referring to fig. 4, heating device 20 is set to the inner wall of shell 10.Heating device 20 is used to form heat inside shell 10
?.
Referring to Fig. 1 and Fig. 2, heating device 20 is set in a row along the circumferential direction and radial direction of shell 10.So set, making
The circumferential direction of shell 10 and radial temperature can change.
Referring to Fig. 1 and Fig. 2, heating device 20 is uniformly arranged along the circumferential of shell 10.Energon shell 10 is circumferential in this way
Form uniform, controllable temperature change.
Referring to Fig. 1 and Fig. 2, heating device 20 along shell 10 radially uniform arrangement.Energon shell 10 is radial in this way
Form uniform, controllable temperature change.
Referring to fig. 4 and Fig. 7, heating device 20 include heating watt 24 and fixture 25, and heating watt 24 passes through fixture 25 and shell
Body 10 is fixedly linked.
Referring to fig. 4 and Fig. 6, in the present embodiment, fixture 25 is U-shaped, and fixture 25 is set to the outside of shell 10, and fixture 25 presss from both sides
Firmly heating watt 24 is located at the neck outside shell 10.The main part of heating watt 24 can be mounted directly to inside shell 10, be subtracted
Space hold is lacked.Installation site and direction of the heating watt 24 by setting, are fixed on shell using heat insulation foam 50 and fixture 25
On 10 reserved installation positions, installation process is relatively easy, and is easy to adjust and safeguard.
Referring to Fig. 7, heating watt 24 includes shell 21 and resistance wire 22 and thermocouple 23 inside shell 21.
In the present embodiment, heating watt 24, which is equipped with, uses following sides with the 10 matched cambered surface of inner wall radian of shell, heating watt 24
Formula is made: electrothermal resistance silk and thermocouple 23 being added in seamless metal device, gap section is filled up with thermal conductive resin and insulation
After property substance, it is made with the certain radian draw.
Referring to fig. 4, heating watt 24 is attached at the inner wall of shell 10.So set, 24 the space occupied of heating watt is small, and pacify
It fills more reliable.
Referring to fig. 4, thermal insulation layer is equipped between heating watt 24 and the inner wall of shell 10.Thermal insulation layer can reduce heat transfer extremely
Outside shell 10.
Referring to fig. 4, thermal insulation layer includes heat insulation foam 50.The good heat-insulation effect of heat insulation foam 50, and light quality.
Referring to Fig. 8, experimental facilities further includes control switch, and heating device 20 is electrically connected with control switch, and control switch is used
In the on-off of control 20 place circuit of heating device.
Referring to Fig. 8, experimental facilities further includes temperature controller 40, and temperature controller 40 is set in the circuit at 20 place of heating device, temperature
Control device 40 is electrically connected with heating device 20, and temperature controller 40 is used to control the temperature of heating device 20.
Referring to Fig. 8, following one or more of them: breaker, power supply indicator is additionally provided in circuit.In the present embodiment,
It is designed with breaker and power supply indicator in each heating circuit, breaker can play the role of overcurrent protection, prevent circuit
Middle electric current is excessive.
A kind of specific embodiment is described below.
The experimental provision analog casing axially with the non-uniform temperature change of Axial Temperature Distribution, is turned with increasing in casing
The accuracy of son experiment test.The experimental provision includes shell 10, heating watt 24, heat insulation foam 50,25 and of fixture for simulating casing
Temperature control circuit.The both ends of shell 10 are designed with end cap 60.Heating watt 24 is axial and circumferentially distributed in 10 inside of shell, and axial point 8
Column, and each column circumferentially contains 12 heating watts 24.Heat insulation foam 50 is between heating watt 24 and shell 10, for completely cutting off temperature.Often
A heating watt 24 includes resistance wire 22 and thermocouple 23.For resistance wire 22 for heating, thermocouple 23 is used to temperature feedback, makes temperature
Reach the range of setting.It is circumferential that temperature is individually controlled by 1 temperature-controlled cabinet per 3 adjacent heating watts 24, it can press respectively
Axial and circumferential set different heating temperatures.Using the function, it can be achieved that generating direction along the axial and circumferential directions in shell 10
Temperature field heterogeneous.
As shown in figure 4, shell 101 is hollow cylinder, material is iron, is axially being provided with the equally distributed rectangular opening of 8 column,
And each column contains by 12 equally distributed rectangular openings of circumferential direction.
The structure of heating watt 24 as shown in Fig. 5, Fig. 6, Fig. 7,24 shape of heating watt be sector, by shell 21, resistance wire 22,
Thermocouple 23 forms, and an I-shaped structure is machined in 21 behind of shell, by resistance wire 22 and thermoelectricity inside arc heating watt 24
Even 23 form, and resistance wire 22 is heated, and thermocouple 23 carries out thermometric.Resistance wire 22 and thermocouple 23 inside heating watt 24
It is weldingly fixed on inside shell 21, resistance wire 22 and thermocouple 23 output and input line at 21 I-shaped structure center of shell
It is drawn at aperture.
Referring to fig. 2, fixture 25 is the aluminum slice that shape is U-shaped, opened at two U feet of fixture 25 there are two 45 ° fall
Angle.
Heat insulation foam 50 is hollow cylinder, is axially being provided with the equally distributed rectangular opening of 8 column, and each column contains 12 circumferential directions
Equally distributed rectangular opening.The outside diameter of heat insulation foam 50 is equal with circular diameter in shell 10, and length is identical, and heat insulation foam 50 is embedding
Enter into shell 10,50 outer surface of heat insulation foam is in contact with 10 inner surface of shell, 50 both ends end face of heat insulation foam and 10 both ends of shell
End face alignment, the rectangular opening of heat insulation foam 50 and the rectangular opening size of shell 10 are identical and concentric corresponding one by one.
The fit system of shell 10 and heating watt 24, fixture 25 and heat insulation foam 50 are as follows: heat insulation foam 50 is embedded into shell first
In body 10,50 outer surface of heat insulation foam is in contact with 10 inner surface of shell, 50 both ends end face of heat insulation foam and 10 both ends end face pair of shell
Together, the rectangular opening of heat insulation foam 50 is identical as the rectangular opening size of shell 10 and concentric corresponding one by one.Heating watt 24 passes through I-shaped
Type structure is inserted into each rectangular channel of shell 101 and heat insulation foam 50, is then fixed on 10 outside square of shell by fixture 25
At shape hole.Heat insulation foam 50 is between heating watt 24 and shell 10.
Referring to Fig. 8, wherein QF is air switch, and KM is contactor, and SSR is solid-state relay.Heating watt 24 and temperature control
Circuit is connected with signal wire, and wherein the adjacent three connected arc heating watts 24 of each column are connected as constituting heart-shaped connection, then
It is connected with solid-state relay, temperature controller 40, power supply indicator, power switch, heater switch, permission heating lamp, contactor
Constitute temperature control circuit.Power supply indicator indicates whether to power on, and solid-state relay and contactor switch on and off heating
Switch, temperature controller 40 adjust temperature by the signal of thermocouple 23.
Working principle is as follows: the equally distributed rectangular opening of 8 column is axially provided on the shell 10 of the experimental provision, and each column contains
There are 12 equally distributed rectangular openings of circumferential direction.Each heating watt 24 includes resistance wire 22 and thermocouple 23.Electricity in heating watt 24
Resistance silk 22 and thermocouple 23 are connected with temperature control system with signal wire, can be by temperature control per 24 temperature of circumferentially-adjacent 3 heating watts
Packing list processed solely controls, and wherein resistance wire 22 is used to heat, and thermocouple 23 is used to feedback temperature signal.Axial direction and week are pressed respectively
Different heating temperatures is set to direction, in wheel chamber casing 10, just produces the temperature heterogeneous in direction along the axial and circumferential directions
Spend field.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (15)
1. a kind of for simulating the experimental facilities of casing, which is characterized in that including shell (10) and heating device (20), the shell
Body (10) is each divided into multiple regions along the circumferential direction and radial direction of itself, and each region is designed with the heating device (20), respectively
The heating device (20) in a region can be controlled individually.
2. experimental facilities according to claim 1, which is characterized in that be equipped with described in one or more in described each region
Heating device (20).
3. experimental facilities according to claim 1, which is characterized in that be equipped with multiple heating dresses in described each region
(20) are set, all heating devices (20) in the same region control temperature by a control equipment.
4. experimental facilities according to claim 1, which is characterized in that the heating device (20) is set to the shell (10)
Inner wall.
5. experimental facilities according to claim 1, which is characterized in that the heating device (20) is along the shell (10)
Circumferential direction and radial set in a row.
6. experimental facilities according to claim 1, which is characterized in that the heating device (20) is along the shell (10)
Circumferential uniformly arrangement.
7. experimental facilities according to claim 1, which is characterized in that the heating device (20) is along the shell (10)
Radially uniform arrangement.
8. experimental facilities according to claim 1, which is characterized in that the heating device (20) include heating watt (24) with
And fixture (25), the heating watt (24) are fixedly linked by the fixture (25) with the shell (10).
9. experimental facilities according to claim 8, which is characterized in that the heating watt (24) is attached at the shell (10)
Inner wall.
10. experimental facilities according to claim 9, which is characterized in that the heating watt (24) and the shell (10)
Thermal insulation layer is equipped between inner wall.
11. experimental facilities according to claim 10, which is characterized in that the thermal insulation layer includes heat insulation foam (50).
12. experimental facilities according to claim 8, which is characterized in that the heating watt (24) include shell (21) and
The resistance wire (22) and thermocouple (23) internal set on the shell (21).
13. experimental facilities according to claim 1, which is characterized in that it further include control switch, the heating device (20)
It is electrically connected with the control switch, the on-off of circuit where the control switch is used to control the heating device (20).
14. experimental facilities according to claim 13, which is characterized in that further include temperature controller (40), the temperature controller
(40) in the circuit where the heating device (20), the temperature controller (40) is electrically connected with the heating device (20)
It connects, the temperature controller (40) is used to control the temperature of the heating device (20).
15. experimental facilities according to claim 13, which is characterized in that be additionally provided in the circuit it is following one of or
It is a variety of: breaker, power supply indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933225.6A CN109655268A (en) | 2017-10-10 | 2017-10-10 | For simulating the experimental facilities of casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933225.6A CN109655268A (en) | 2017-10-10 | 2017-10-10 | For simulating the experimental facilities of casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109655268A true CN109655268A (en) | 2019-04-19 |
Family
ID=66108538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710933225.6A Pending CN109655268A (en) | 2017-10-10 | 2017-10-10 | For simulating the experimental facilities of casing |
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| CN (1) | CN109655268A (en) |
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|---|---|---|---|---|
| CN201018679Y (en) * | 2006-12-20 | 2008-02-06 | 赵放 | Electrical heating tile of reaction tower |
| CN103163173A (en) * | 2013-03-15 | 2013-06-19 | 北京航空航天大学 | Inner-wall non-sectional type high-temperature thermal test device of large high-speed aircraft round-shell structure |
| CN104122351A (en) * | 2013-04-24 | 2014-10-29 | 中国科学院大连化学物理研究所 | Uniform-temperature chromatographic column heating apparatus |
| CN204046851U (en) * | 2014-09-03 | 2014-12-24 | 安徽金月电子科技有限公司 | A kind of Novel heating watt |
| CN104571176A (en) * | 2014-12-05 | 2015-04-29 | 上海卫星装备研究所 | High-precision zone control temperature simulation device |
| CN204977420U (en) * | 2015-09-01 | 2016-01-20 | 张培山 | A heating tile for plastic uptake machine |
| CN206095591U (en) * | 2016-07-21 | 2017-04-12 | 浙江大学 | Machine casket high temperature contains test device based on contact heating method |
| CN106840643A (en) * | 2017-04-06 | 2017-06-13 | 中国科学院工程热物理研究所 | The measurement apparatus of casing thermal deformation under a kind of impingement heat transfer |
-
2017
- 2017-10-10 CN CN201710933225.6A patent/CN109655268A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201018679Y (en) * | 2006-12-20 | 2008-02-06 | 赵放 | Electrical heating tile of reaction tower |
| CN103163173A (en) * | 2013-03-15 | 2013-06-19 | 北京航空航天大学 | Inner-wall non-sectional type high-temperature thermal test device of large high-speed aircraft round-shell structure |
| CN104122351A (en) * | 2013-04-24 | 2014-10-29 | 中国科学院大连化学物理研究所 | Uniform-temperature chromatographic column heating apparatus |
| CN204046851U (en) * | 2014-09-03 | 2014-12-24 | 安徽金月电子科技有限公司 | A kind of Novel heating watt |
| CN104571176A (en) * | 2014-12-05 | 2015-04-29 | 上海卫星装备研究所 | High-precision zone control temperature simulation device |
| CN204977420U (en) * | 2015-09-01 | 2016-01-20 | 张培山 | A heating tile for plastic uptake machine |
| CN206095591U (en) * | 2016-07-21 | 2017-04-12 | 浙江大学 | Machine casket high temperature contains test device based on contact heating method |
| CN106840643A (en) * | 2017-04-06 | 2017-06-13 | 中国科学院工程热物理研究所 | The measurement apparatus of casing thermal deformation under a kind of impingement heat transfer |
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Application publication date: 20190419 |