CN101920792A - Environmental chamber for multi-parameter composite test - Google Patents
Environmental chamber for multi-parameter composite test Download PDFInfo
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- CN101920792A CN101920792A CN 201010242134 CN201010242134A CN101920792A CN 101920792 A CN101920792 A CN 101920792A CN 201010242134 CN201010242134 CN 201010242134 CN 201010242134 A CN201010242134 A CN 201010242134A CN 101920792 A CN101920792 A CN 101920792A
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Abstract
The invention discloses an environmental chamber for a multi-parameter composite test, comprising an airtight case which is connected with a case cover in a sealing mode, wherein the case and the case cover both comprise an outer layer made of metal to ensure the rigidity of the case and an insulation layer made of metal to maintain the internal temperature of a composite cavity, the inner cavity of the case forms an environmental composite cavity independent to the external; the composite cavity is successively provided with a noise generation mechanism fixed on the upper part of the composite cavity, a temperature control mechanism fixed on the wall of the composite cavity, a vibration generation mechanism, an air intake and an exhaust port from top to down, wherein the vibration generation mechanism is arranged in the composite cavity and is in linkage with an external vibration source, the air intake is connected with an air pump and used for introducing air into the composite cavity to form a pressure filed, and the exhaust port is connected with a vacuum generator in a sealing mode. The invention has the advantages of being capable of fully stimulating the working environment of parts and having good test result and high accuracy.
Description
Technical field
The present invention relates to a kind of environmental chamber that is used for the reliability acceleration test system.
Technical background
Along with science and technology, particularly development of aviation and aerospace technology requires more and more higher to dynamo-electric components and parts reliability of products.And the applied environment of these components and parts products becomes increasingly complex, and in emission with during re-entry fligt, can be subjected to the influence such as combinational environment factors such as linear acceleration, temperature, vibration, noises as spacecraft.For guaranteeing spacecraft normal operation awing, require its surface material and internal electron instrument and equipment etc. must afford to stand this external impact.Have cheapness, efficient, controlled, the environmental test that advantage such as can repeat and the response of environmental impact is had crucial meaning for testing product.And existing environmental chamber all is to have simulated the mono-environmental parameters, and the working environment that the environmental test of this single parameter can not comprehensive simulated components and parts product has influenced the effect and the precision of environmental test.
Summary of the invention
Can only simulate the mono-environmental parameters for what overcome prior art, working environment that can't the comprehensive simulated device, the shortcoming that test effect is poor, precision is low, the invention provides a kind of working environment of energy comprehensive simulated device, the environmental chamber that is used for multi-parameter complex test that test effect is good, precision is high.
The environmental chamber that is used for multi-parameter complex test, comprise the fully enclosed casing, a described casing and a case lid are tightly connected, described casing and case lid include and be made of metal, with guarantee the outer of gear housing rigidity and by non-metal make, keeping the heat-insulation layer of Compound Cavity internal temperature, the inner chamber of described casing forms the environment Compound Cavity independently with the external world;
It is characterized in that: described Compound Cavity inside is provided with from top to bottom successively: be fixed in the temperature control device on the chamber wall of the noise generating mechanism on top of Compound Cavity and Compound Cavity, be positioned at Compound Cavity inside and with the vibration generating mechanism of the soruce of vibration in external world interlock, with the inside that is connected, gas is introduced described Compound Cavity with air pump with the air intake of formation field of pressure and the exhausr port that is tightly connected with vacuum generator;
Described vibration generating mechanism comprises the test platform that carries test specimen, be arranged at the two ends of described test platform symmetrically and stretch out Compound Cavity and extraneous soruce of vibration bonded assembly first push rod and second push rod, connect described test platform and described Compound Cavity inwall supporting spring and be fixed on test platform, detect the sensor of vibration acceleration;
The chamber wall of described Compound Cavity is provided with the through hole that allows described push rod to run through, and is gapped between the surface of described push rod and the through-hole wall, forms step between the revealed section of described push rod and the section of including; Socket one ring seal film on the described revealed section, the inner ring of diaphragm seal and the revealed section of push rod is adaptive and be pressed in described step by the inner ring set collar, the outer ring of diaphragm seal is pressed in described environmental chamber outer wall by the outer ring set collar.
Further, described noise generating mechanism comprises the noise generation plate on the top that is fixed on described Compound Cavity, be fixed on the sound pollution source on the described noise generation plate and detect the audio sensor of the decibel value of noise in the Compound Cavity, and control described sound pollution source the generation decibel place the outer controller of casing; The output signal of described audio sensor inputs in the described controller;
Described temperature control device comprises the solid-state chip of the outer wall that is fixed on described Compound Cavity, the heat abstractor of being close to the outside face of described solid-state chip, the heat with the solid-state chip inside face on the inwall of Compound Cavity is passed to the thermofin in the Compound Cavity, the temperature sensor of the actual temperature in the compound cavity internal monitoring Compound Cavity; Described temperature sensor is connected with described controller, and described solid-state chip is controlled by described controller;
Be provided with the baroceptor of its internal gas pressure of induction in the described Compound Cavity, described baroceptor is connected with described controller.
Further, described casing is spliced by epimere and hypomere, and the top of epimere heat-insulation layer extends internally and forms first bulge loop of the described noise generation of circle energy holding plate, and the top of hypomere heat-insulation layer extends internally and forms second bulge loop;
Be provided with between described first bulge loop and second bulge loop by heat conductor make, so that the internal layer of solid-state chip to be installed, described internal layer is set up in described second bulge loop, epimere heat-insulation layer and epimere skin are equipped with the opening that allows described heat abstractor to expose; Described internal layer and described epimere heat-insulation layer and hypomere heat-insulation layer are tightly connected, and are tightly connected between hypomere heat-insulation layer and the hypomere skin.
Further, be placed with cutoff board in the described Compound Cavity, the outer wall of described cutoff board is close to the inwall of described second bulge loop; Hypomere heat-insulation layer, second bulge loop and cutoff board are enclosed the buffering air flue that is communicated with air intake, exhausr port, and the bottom of described cutoff board is provided with and is communicated with described buffering air flue and Compound Cavity in-to-in air extractor vent;
Described cutoff board is provided with the 3rd bulge loop of convex, described the 3rd bulge loop is divided into the stirrer chamber of bottom and the sub-chamber of test on top with Compound Cavity, described stirrer chamber and test and be provided with the fan that air-flow is driven from bottom to top between the sub-chamber, described air extractor vent is positioned at the below of described the 3rd bulge loop, and described vibration generating mechanism is positioned on the 3rd bulge loop; Described vibration generating mechanism is arranged at the casing hypomere.
Further, described internal layer is provided with the backflow air flue that is communicated with sub-chamber of described test and cushion gas road, and described cutoff board is provided with described backflow air flue bonded assembly and is communicated with air flue, and described connection air flue is communicated with described buffering air flue; Described connection air flue is positioned on described the 3rd bulge loop; Described air intake, buffering air flue, air extractor vent, stirrer chamber, fan, the sub-chamber of test and backflow air flue and connection air flue, exhausr port constitute the gas channel of permission gas in the Compound Cavity inner loop.
Further, described internal layer is fixed with the platform mounting bracket, and the two ends of described test platform are equipped with supporting spring, and described supporting spring middle part is fixed on the otic placode of convex that described test platform, two ends be fixed in described platform mounting bracket.
Further, described heat abstractor comprises heat-pipe radiator, be fixed on the described inner layer outer wall, be close to described solid-state chip outside face, with the mount pad of the evaporator section of the described heat pipe of clamping be fixed in the adapter plate of described skin with the condensation segment of locating described heat pipe.
Further, described mount pad comprises the pedestal of the outside face of being close to described solid-state chip, with the clamping piece that holds out against described pedestal, heat-pipe radiator and described solid-state chip outside face are fully contacted; Described pedestal is formed the holding part that can clamp heat pipe by upper recess and lower concave part; Described holding part ovalize.
Further, two holding parts are arranged on each mount pad, each holding part is fixed a heat pipe, the corresponding a slice solid-state chip of each mount pad.
Further, described epimere skin be provided with sealing aviation socket, to realize being electrically connected inside and outside the casing.
Sealing aviation socket can transmit the acquired signal of sensors such as casing temperature inside, air pressure, vibration, noise to the casing controller outside; Meanwhile, controller send to the control signal of the noise source that is installed on box house also by the transmission of sealing aviation socket.
Further, described noise source is a set of speakers, and described audio sensor is the microphone group.
Technical conceive of the present invention is: by casing airtight, insulation form one with external environment environment Compound Cavity independently mutually.A plurality of environmental factors such as NF, temperature factor, vibration factor and air pressure factor are compound in the same cavity working environment of energy comprehensive simulated device by noise generating mechanism, temperature control device, vibration generating mechanism and gas channel
Gas in the air pump enters in the buffering air flue through air intake, again in air extractor vent enters the stirrer chamber, gas in the stirrer chamber is upwards driven to the sub-chamber of test by fan, gas is formed heat (or cold) air by solid-state chip heating (or refrigeration) in the sub-chamber of test, the gas in the sub-chamber of final trial converges to cushioning in the air flue through backflow air flue, connection upper airway flow.When the air pressure in the Compound Cavity reaches preset value, close air pump, then gas constantly circulates through gas channel.When need be with the gas removal in the Compound Cavity, only need to open vacuum generator, gas is in the exhausr port exhaust to atmosphere.
The present invention not only forms field of pressure by gas channel is set, and heated by solid-state chip or refrigeration after air constantly in Compound Cavity, circulate, temperature in the Compound Cavity is slowly raise or descends, and the temperature of each point is even in the chamber, has a narrow range of temperature.
The present invention is by being provided with the buffering air flue, and with air intake and exhausr port and test sub-chamber isolation, the moment of having avoided dashing venting exerts an influence to the air pressure of testing in the sub-chamber, and the warranty test ambient pressure is stable, the test accuracy height.
Vibration generating mechanism of the present invention is that the soruce of vibration that case is outer links with first or second push rod, thus with transfer of vibration to test platform.Test platform is installed on the platform mounting bracket by supporting spring.Use elastomeric material to come the manufacturing platform mounting bracket, when push rod vibrates, platform mounting bracket generation elastic deformation, and supporting spring plays the lever amplification, thus realize back and forth following of vibrating, and all the other degree of freedom of restriction test platform.
Adopt the diaphragm seal sealing between push rod and the hypomere skin, the production-release design of O RunddichtringO is pressed in the inner ring of diaphragm seal and outer ring, is the rubber diaphragm of indent between the inside and outside circle.During installation, the inner ring of diaphragm seal and outer ring compress with inner ring set collar and outer ring set collar respectively.This sealing means is being realized leak free simultaneously, and is therefore little to the motion effects of push rod because rubber diaphragm is an elastic component, guarantees transmission of vibration.
The present invention has the working environment of energy comprehensive simulated device, and test effect is good, advantage of high precision.
Description of drawings
Fig. 1 is a front elevation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is the scheme drawing of epimere casing.
Fig. 3-the 1st, the birds-eye view of epimere casing.
Fig. 3-the 2nd, the B-B of Fig. 3-1 is to cutaway view.
Fig. 4 is the scheme drawing of hypomere casing.
Fig. 4-the 1st, the cutaway view of hypomere casing.
Fig. 5 is the scheme of installation of push rod and diaphragm seal.
Fig. 6 is the scheme drawing of epimere casing internal layer.
Fig. 7 is the outer field scheme drawing of epimere casing.
Fig. 8 is the scheme drawing of epimere cabinet insulation layer.
Fig. 9 is the scheme drawing of diaphragm seal.
The specific embodiment
With reference to accompanying drawing, further specify the present invention:
The environmental chamber that is used for multi-parameter complex test, comprise the fully enclosed casing, described casing and case lid 2 are tightly connected, described casing and case lid 2 include and be made of metal, with guarantee the outer of gear housing rigidity and by non-metal make, keeping the heat-insulation layer of Compound Cavity internal temperature, the inner chamber of described casing forms the environment Compound Cavity independently with the external world;
Described Compound Cavity inside is provided with from top to bottom successively: be fixed in the noise generating mechanism 3 on top of Compound Cavity and the temperature control device 4 on the wall of Compound Cavity chamber, be positioned at Compound Cavity inside and with the vibration generating mechanism 5 of the soruce of vibration in external world interlock, with the inside that is connected, gas is introduced described Compound Cavity with air pump with the air intake A of formation field of pressure and the exhausr port that is tightly connected with vacuum generator;
Described vibration generating mechanism 5 comprises the test platform 51 that carries test specimen, be arranged at the two ends of described test platform 51 symmetrically and stretch out Compound Cavity and extraneous soruce of vibration bonded assembly first push rod 52 and second push rod 53, connect the supporting spring 54 of described test platform 51 and the inwall of described Compound Cavity and be fixed on test platform, detect the sensor of vibration acceleration;
The chamber wall of described Compound Cavity is provided with the through hole that allows described push rod 52,53 to run through, and is gapped between the surface of described push rod 53,52 and the through-hole wall, forms step between the revealed section 521 of described push rod 52 and the section of including 522; Socket one ring seal film 55 on the described revealed section 521, the inner ring 551 of diaphragm seal 55 and the revealed section of push rod 521 are adaptive and be pressed in described step by inner ring set collar 561, and the outer ring 552 of diaphragm seal 55 is pressed in described environmental chamber outer wall by outer ring set collar 562.
Described noise generating mechanism comprises the noise generation plate 31 on the top that is fixed on described Compound Cavity, be fixed on the sound pollution source 32 on the described noise generation plate 31 and detect the audio sensor of the decibel value of noise in the Compound Cavity, and control described sound pollution source 32 the generation decibel place the outer controller of casing; The output signal of described audio sensor inputs in the described controller;
Described temperature control device 4 comprises the solid-state chip of the outer wall that is fixed on described Compound Cavity, the heat abstractor of being close to the outside face of solid-state chip, be close to heat on the inwall of Compound Cavity and be passed to thermofin 41 in the Compound Cavity, the temperature sensor of the actual temperature in the compound cavity internal monitoring Compound Cavity the solid-state chip inside face; Described temperature sensor is connected with described controller, and described solid-state chip is controlled by described controller;
Be provided with the baroceptor of its internal gas pressure of induction in the described Compound Cavity, described baroceptor is connected with described controller.
Described casing is spliced by epimere 11 and hypomere 12, and the top of epimere heat-insulation layer 112 extends internally and forms first bulge loop 1121 of the described noise generation of circle energy holding plate, and the top of hypomere heat-insulation layer 122 extends internally and forms second bulge loop 1221;
Be provided with between described first bulge loop 1121 and second bulge loop 1221 by heat conductor make, so that the internal layer 13 of solid-state chip to be installed, described internal layer is set up in described second bulge loop 1221, and epimere heat-insulation layer 112 and epimere skin 111 are equipped with the opening 1121,1111 that allows described heat abstractor to expose; Described internal layer 13 is tightly connected with described epimere heat-insulation layer 112 and hypomere heat-insulation layer 122, is tightly connected between hypomere heat-insulation layer 122 and the hypomere skin 121.
Be placed with cutoff board 6 in the described Compound Cavity, the outer wall of described cutoff board 6 is close to the inwall of described second bulge loop 1221; Hypomere heat-insulation layer 122, second bulge loop 1221 and cutoff board 6 are enclosed the buffering air flue B that is communicated with air intake A, exhausr port, and the bottom of described cutoff board 6 is provided with and is communicated with described buffering air flue B and Compound Cavity in-to-in air extractor vent C;
Described cutoff board is provided with the 3rd bulge loop 61 of convex, described the 3rd bulge loop 61 is divided into the stirrer chamber E of bottom and the sub-chamber F of test on top with Compound Cavity, described stirrer chamber E and test between the sub-chamber F and be provided with the fan that air-flow is driven from bottom to top, described air extractor vent C is positioned at the below of described the 3rd bulge loop 61, and described vibration generating mechanism is positioned on the 3rd bulge loop 61; Described vibration generating mechanism is arranged at the casing hypomere.
Described internal layer 13 is provided with the backflow air flue G that is communicated with sub-chamber F of described test and cushion gas road B, and described cutoff board 6 is provided with described backflow air flue G bonded assembly and is communicated with air flue D, and described connection air flue D is communicated with described buffering air flue B; Described connection air flue D is positioned on described the 3rd bulge loop 61; Described air intake A, buffering air flue B, air extractor vent C, stirrer chamber E, fan, the sub-chamber F of test and backflow air flue G and connection air flue D, exhausr port constitute the gas channel of permission gas in the Compound Cavity inner loop.
Described internal layer 13 is fixed with platform mounting bracket 57, the two ends of described test platform 51 are equipped with supporting spring 54, and described supporting spring 54 middle parts are fixed on the otic placode 571 of convex that described test platform 51, two ends be fixed in described platform mounting bracket 57.
Described heat abstractor comprises heat-pipe radiator, be fixed in be close to described solid-state chip outside face on described internal layer 13 outer walls, with the mount pad 42 of the evaporator section of the described heat pipe of clamping be fixed in the adapter plate 43 of the condensation segment of described outer 111, the described heat pipe in location.
Described mount pad 42 comprises the outside face pedestal 421 of being close to described solid-state chip, with hold out against described pedestal 421, make heat pipe and described solid-state chip outer fully contact clamping piece 422; The inner fovea part of described pedestal 421 and the male part of clamping piece form the holding part 423 that can clamp heat pipe; Described holding part ovalize.
Two holding parts are arranged on each mount pad, and each holding part is fixed a heat pipe, the corresponding a slice solid-state chip of each mount pad.
Described epimere skin 111 is provided with sealing aviation socket 1112, to realize being electrically connected inside and outside the casing.
Sealing aviation socket can with sensor acquisition such as the temperature of box house, air pressure, vibration, noise to signal be delivered in the casing controller outside; Meanwhile, controller send to the control signal of the noise source that is installed on box house also by the transmission of sealing aviation socket.
Described noise source 32 is a set of speakers, and described audio sensor is the microphone group.
Technical conceive of the present invention is: by casing airtight, insulation form one with external environment case environment Compound Cavity independently.A plurality of environmental factors such as NF, temperature factor, vibration factor and air pressure factor are compound in the same cavity working environment of energy comprehensive simulated device by noise generating mechanism, temperature control device, vibration generating mechanism and gas channel.
Gas in the air pump enters among the buffering air flue B through air intake A, again in air extractor vent C enters stirrer chamber E, gas in the E of stirrer chamber is upwards driven to the sub-chamber F of test by fan, gas is heated or refrigeration by solid-state chip in the sub-chamber F of test, and the gas in the sub-chamber F of final trial converges to cushioning among the air flue B through backflow air flue G, connection air flue D stream.When the air pressure in the Compound Cavity reaches preset value, close air pump, then gas constantly circulates through gas channel.When need be with the gas removal in the Compound Cavity, only need to open vacuum generator, gas is in the exhausr port exhaust to atmosphere.
The present invention not only forms field of pressure by gas channel is set, and is heated by solid-state chip or the heat or the cold air of refrigeration constantly circulate in Compound Cavity, temperature in the Compound Cavity is slowly raise or reduce, and the temperature of each point is even in the chamber, has a narrow range of temperature.
The present invention is by being provided with the buffering air flue, and with air intake A and exhausr port and test sub-chamber isolation, the moment of having avoided dashing venting exerts an influence to the air pressure of testing in the sub-chamber F, and the warranty test ambient pressure is stable, the test accuracy height.
Vibration generating mechanism of the present invention is that the soruce of vibration that case is outer links with first or second push rod 52,53, thus with transfer of vibration to test platform 41.Test platform 41 is installed on the platform mounting bracket 57 by supporting spring 54.Use elastomeric material to come manufacturing platform mounting bracket 57, when push rod 52,53 vibrations, elastic deformation takes place in platform mounting bracket 57, and supporting spring 54 plays the lever amplification, thereby realize, and all the other degree of freedom of restriction test platform to back and forth following of vibrating.
Adopt diaphragm seal 55 sealings between push rod 52,53 and the hypomere skin 121, the production-release design of O RunddichtringO is pressed in the inner ring 551 of diaphragm seal 55 and outer ring 552, is the rubber diaphragm 553 of indent between the inside and outside circle 551,552.During installation, the inner ring 551 of diaphragm seal and outer ring 552 compress with inner ring set collar 561 and outer ring set collar 562 respectively.This sealing means is being realized leak free simultaneously, and is therefore little to the motion effects of push rod because rubber diaphragm is an elastic component, guarantees transmission of vibration.
The described content of this specification sheets embodiment only is enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.
Claims (10)
1. the environmental chamber that is used for multi-parameter complex test, comprise the fully enclosed casing, a described casing and a case lid are tightly connected, described casing and case lid include and be made of metal, with guarantee the outer of gear housing rigidity and by non-metal make, keeping the heat-insulation layer of Compound Cavity internal temperature, the inner chamber of described casing forms the environment Compound Cavity independently with the external world;
It is characterized in that: described Compound Cavity inside is provided with from top to bottom successively: be fixed in the temperature control device on the chamber wall of the noise generating mechanism on top of Compound Cavity and Compound Cavity, be positioned at Compound Cavity inside and with the vibration generating mechanism of the soruce of vibration in external world interlock, with the inside that is connected, gas is introduced described Compound Cavity with air pump with the air intake of formation field of pressure and the exhausr port that is tightly connected with vacuum generator;
Described vibration generating mechanism comprises the test platform that carries test specimen, be arranged at the two ends of described test platform symmetrically and stretch out Compound Cavity and extraneous soruce of vibration bonded assembly first push rod and second push rod, connect described test platform and described Compound Cavity inwall supporting spring and be fixed on test platform, detect the sensor of vibration acceleration;
The chamber wall of described Compound Cavity is provided with the through hole that allows described push rod to run through, and is gapped between the surface of described push rod and the through-hole wall, forms step between the revealed section of described push rod and the section of including; Socket one ring seal film on the described revealed section, the inner ring of diaphragm seal and the revealed section of push rod is adaptive and be pressed in described step by the inner ring set collar, the outer ring of diaphragm seal is pressed in described environmental chamber outer wall by the outer ring set collar.
2. the environmental chamber that is used for multi-parameter complex test as claimed in claim 1, it is characterized in that: described noise generating mechanism comprises the noise generation plate on the top that is fixed on described Compound Cavity, be fixed on the sound pollution source on the described noise generation plate and detect the audio sensor of the decibel value of noise in the Compound Cavity, and control described sound pollution source the generation decibel place the outer controller of casing; The output signal of described audio sensor inputs in the described controller;
Described temperature control device comprises the solid-state chip of the outer wall that is fixed on described Compound Cavity, the heat abstractor of being close to the outside face of described solid-state chip, the heat with the solid-state chip inside face on the inwall of Compound Cavity is passed to the thermofin in the Compound Cavity, the temperature sensor of actual temperature in the compound cavity internal monitoring chamber; Described temperature sensor is connected with described controller, and described solid-state chip is controlled by described controller;
Be provided with the baroceptor of its internal gas pressure of induction in the described Compound Cavity, described baroceptor is connected with described controller.
3. the environmental chamber that is used for multi-parameter complex test as claimed in claim 2, it is characterized in that: described casing is spliced by epimere and hypomere, the top of epimere heat-insulation layer extends internally and forms first bulge loop of the described noise generation of circle energy holding plate, and the top of hypomere heat-insulation layer extends internally and forms second bulge loop;
Be provided with between described first bulge loop and second bulge loop by heat conductor make, so that the internal layer of solid-state chip to be installed, described internal layer is set up in described second bulge loop, epimere heat-insulation layer and epimere skin are equipped with the opening that allows described heat abstractor to expose; Described internal layer and described epimere heat-insulation layer and hypomere heat-insulation layer are tightly connected, and are tightly connected between hypomere heat-insulation layer and the hypomere skin.
4. the environmental chamber that is used for multi-parameter complex test as claimed in claim 3 is characterized in that: be placed with cutoff board in the described Compound Cavity, the outer wall of described cutoff board is close to the inwall of described second bulge loop; Hypomere heat-insulation layer, second bulge loop and cutoff board are enclosed the buffering air flue that is communicated with air intake, exhausr port, and the bottom of described cutoff board is provided with and is communicated with described buffering air flue and Compound Cavity in-to-in air extractor vent;
Described cutoff board is provided with the 3rd bulge loop of convex, described the 3rd bulge loop is divided into the stirrer chamber of bottom and the sub-chamber of test on top with Compound Cavity, described stirrer chamber and test and be provided with the fan that air-flow is driven from bottom to top between the sub-chamber, described air extractor vent is positioned at the below of described the 3rd bulge loop, and described vibration generating mechanism is positioned on the 3rd bulge loop; Described vibration generating mechanism is arranged at the casing hypomere.
5. the environmental chamber that is used for multi-parameter complex test as claimed in claim 4, it is characterized in that: described internal layer is provided with the backflow air flue that is communicated with sub-chamber of described test and cushion gas road, described cutoff board is provided with described backflow air flue bonded assembly and is communicated with air flue, and described connection air flue is communicated with described buffering air flue; Described connection air flue is positioned on described the 3rd bulge loop; Described air intake, buffering air flue, air extractor vent, stirrer chamber, fan, the sub-chamber of test and backflow air flue and connection air flue, exhausr port constitute the gas channel of permission gas in the Compound Cavity inner loop.
6. as the described environmental chamber that is used for multi-parameter complex test of one of claim 3-5, it is characterized in that: described internal layer is fixed with the platform mounting bracket, the two ends of described test platform are equipped with supporting spring, and described supporting spring middle part is fixed on the otic placode of convex that described test platform, two ends be fixed in described platform mounting bracket.
7. the environmental chamber that is used for multi-parameter complex test as claimed in claim 6, it is characterized in that: described heat abstractor comprises heat-pipe radiator, be fixed on the described inner layer outer wall, be close to described solid-state chip outside face, with the mount pad of the evaporator section of the described heat pipe of clamping be fixed in the adapter plate of described skin with the condensation segment of locating described heat pipe.
8. the environmental chamber that is used for multi-parameter complex test as claimed in claim 7, it is characterized in that: described mount pad comprises the pedestal of the outside face of being close to described solid-state chip, with the clamping piece that holds out against described pedestal, heat-pipe radiator and described solid-state chip outside face are fully contacted; Described pedestal is formed the holding part that can clamp heat pipe by upper recess and lower concave part; Described holding part ovalize.
9. the environmental chamber that is used for multi-parameter complex test as claimed in claim 8 is characterized in that: two holding parts are arranged on each mount pad, and each holding part is fixed a heat pipe, the corresponding a slice solid-state chip of each mount pad.
10. the environmental chamber that is used for multi-parameter complex test as claimed in claim 9 is characterized in that: described epimere skin is provided with sealing aviation socket, to realize being electrically connected inside and outside the casing; Described noise source is a set of speakers, and described audio sensor is the microphone group.
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| CN2010102421346A CN101920792B (en) | 2010-08-02 | 2010-08-02 | Environmental chamber for multi-parameter composite test |
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| CN2010102421346A CN101920792B (en) | 2010-08-02 | 2010-08-02 | Environmental chamber for multi-parameter composite test |
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| CN110440635A (en) * | 2019-08-03 | 2019-11-12 | 广州克莱美特仪器设备科技有限公司 | A kind of dedicated embedded protecting against shock of artillery system, vibration proof high/low temperature hygrothermal environment firing test cabin |
| CN112284769A (en) * | 2020-12-30 | 2021-01-29 | 中汽研汽车检验中心(宁波)有限公司 | Dynamometer machine working condition driving auxiliary system |
| CN112665715A (en) * | 2021-01-15 | 2021-04-16 | 成都航空职业技术学院 | Vibration fault detection system and method for aircraft engine |
| CN113492560A (en) * | 2021-07-06 | 2021-10-12 | 中国人民解放军陆军军医大学 | Bulkhead structure and multifunctional simulation test cabin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318361A (en) * | 1993-06-01 | 1994-06-07 | Bell Communications Research, Inc. | Rapid temperature cycling for accelerated stress testing |
| CN101498648A (en) * | 2009-01-14 | 2009-08-05 | 北京科技大学 | Multifunctional in-situ electro-chemical measuring apparatus for tensile test |
| CN201780256U (en) * | 2010-08-02 | 2011-03-30 | 浙江大学 | Environmental chamber for compound experiment with multiple parameters |
-
2010
- 2010-08-02 CN CN2010102421346A patent/CN101920792B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318361A (en) * | 1993-06-01 | 1994-06-07 | Bell Communications Research, Inc. | Rapid temperature cycling for accelerated stress testing |
| CN101498648A (en) * | 2009-01-14 | 2009-08-05 | 北京科技大学 | Multifunctional in-situ electro-chemical measuring apparatus for tensile test |
| CN201780256U (en) * | 2010-08-02 | 2011-03-30 | 浙江大学 | Environmental chamber for compound experiment with multiple parameters |
Non-Patent Citations (1)
| Title |
|---|
| 《航天返回与遥感》 20080630 刘威等 飞船返回舱环境压力模拟装置的实验研究 第1－6页 1－10 第29卷, 第2期 * |
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| CN102431660B (en) * | 2011-10-20 | 2013-10-02 | 中国航天科技集团公司第五研究院第五一〇研究所 | Device and method for producing charged pollutants through field emission in vacuum |
| CN102431660A (en) * | 2011-10-20 | 2012-05-02 | 中国航天科技集团公司第五研究院第五一〇研究所 | Device and method for producing charged pollutants through field emission in vacuum |
| CN105067506B (en) * | 2015-08-18 | 2018-07-10 | 北京苏试创博环境可靠性技术有限公司 | A kind of wet-hot aging performance automatic detection device based on sheet metal |
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| CN105181565A (en) * | 2015-08-31 | 2015-12-23 | 北京天航华创科技股份有限公司 | Combined type temperature, air pressure and irradiation three integrated experiment test system |
| CN107539502A (en) * | 2016-07-18 | 2018-01-05 | 北京卫星环境工程研究所 | Temperature-adjustment pressure-adjustment device for spacecraft environment experiment |
| CN107539502B (en) * | 2016-07-18 | 2019-05-14 | 北京卫星环境工程研究所 | Temperature-adjustment pressure-adjustment device for spacecraft environment test |
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| CN110440635A (en) * | 2019-08-03 | 2019-11-12 | 广州克莱美特仪器设备科技有限公司 | A kind of dedicated embedded protecting against shock of artillery system, vibration proof high/low temperature hygrothermal environment firing test cabin |
| CN110440635B (en) * | 2019-08-03 | 2021-09-17 | 广州克莱美特仪器设备科技有限公司 | Special embedded impact-proof and vibration-proof high-low temperature damp-heat environment shooting test chamber for artillery system |
| CN112284769A (en) * | 2020-12-30 | 2021-01-29 | 中汽研汽车检验中心(宁波)有限公司 | Dynamometer machine working condition driving auxiliary system |
| CN112665715A (en) * | 2021-01-15 | 2021-04-16 | 成都航空职业技术学院 | Vibration fault detection system and method for aircraft engine |
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