CN112665811A - Comprehensive environment simulation test machine - Google Patents
Comprehensive environment simulation test machine Download PDFInfo
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- CN112665811A CN112665811A CN202011502623.0A CN202011502623A CN112665811A CN 112665811 A CN112665811 A CN 112665811A CN 202011502623 A CN202011502623 A CN 202011502623A CN 112665811 A CN112665811 A CN 112665811A
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a comprehensive environment simulation test machine, comprising a vibration device, a test box and an environment control box, wherein the environment control box and the vibration device are independently arranged, and a vacuum corrugated pipe is adopted to load environment parameters into the test box, so that the test box can be directly and fixedly connected on the table board of the vibration device, the sealing between the test box and the vibration device is eliminated, the sealing reliability of the test box is improved, the production and manufacturing cost is relatively low, meanwhile, because a refrigerating device, a heating device, a humidifying and dehumidifying device and/or an air pressure control device cannot vibrate along with the test box, the failure rate is relatively low, the degree of freedom of relative movement of the test box and the environment control box is higher, the test box can be combined with a plurality of vibration tables, the vibration amplitude range is expanded, the test application range is wide, in addition, one environment control box can carry a plurality of test boxes, the test device can complete the simultaneous test of a plurality of samples or the test of a plurality of vibration modes of a plurality of samples, and the test efficiency is relatively high.
Description
Technical Field
The invention relates to a test device, in particular to a comprehensive environment simulation test machine.
Background
The comprehensive environment simulation testing machine is environment simulation equipment integrating vibration control, temperature, pressure and/or humidity and can be used for environment simulation tests in the reliability verification fields of aerospace, plateau road transportation, electronic products and the like.
The existing integrated environment simulation test equipment usually directly installs other devices (such as a heating device and the like) used for simulating the environment except for a vibration device on a test box, for example, the structure of an inertial navigation system integrated environment calibration device disclosed in the Chinese utility model with the publication number of CN208885494U, when the integrated environment simulation test equipment is used, the devices used for simulating the environment such as the heating device can follow the vibration of the test box, the fault rate is relatively high, and a sealing structure is needed between the test box and the vibration device, so that the vibration mode and the vibration amplitude are limited, the four-comprehensive simulation requirements under severe conditions are difficult to meet, the test application range is influenced, and the production and manufacturing cost is high.
The invention discloses a comprehensive environment simulation device disclosed in the Chinese patent application with the publication number of CN110243617A, wherein a test box is set to be a double-layer box structure comprising an inner box body and an outer box body, a hydraulic vibration table is inserted into the inner box body from the outside of the outer box body, and devices such as a heating device and the like used for simulating the environment are prevented from vibrating along with the test box.
In view of the above, the applicant has made intensive studies to solve the above problems and has made the present invention.
Disclosure of Invention
The invention aims to provide a comprehensive environment simulation test machine which is relatively low in failure rate, wide in test application range and relatively low in production and manufacturing cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a comprehensive environment simulation test machine comprises a vibration device, a test box placed or fixed on the vibration device and an environment control box which is relatively independently arranged with the vibration device, wherein a refrigerating device, a heating device, a humidifying and dehumidifying device and/or an air pressure control device are arranged in the environment control box, an illumination simulation device and/or a video monitoring device are arranged in the test box, two vacuum corrugated pipes are connected between the test box and the environment control box, and a fan is arranged at the end part of one of the vacuum corrugated pipes.
As an improvement of the invention, the vibration device is a rotary vibration table, a hydraulic vibration table or an electromagnetic vibration table.
As an improvement of the invention, the vibration device comprises a vertical vibration table and a horizontal vibration table arranged on the vertical vibration table, and the test box is arranged on the horizontal vibration table.
As an improvement of the invention, the vibration device comprises a horizontal vibration table and a vertical vibration table arranged on the horizontal vibration table, and the test box is arranged on the vertical vibration table.
As an improvement of the present invention, the fan is an exhaust fan or a cavity circulation fan.
As an improvement of the invention, a pressure sensor, a temperature sensor and a humidity sensor are arranged in the test chamber.
As a modification of the invention, there are more than two test chambers, and each test chamber is connected with the same environmental control chamber through two vacuum bellows.
By adopting the technical scheme, the invention has the following beneficial effects:
1. by independently arranging the environment control box and the vibration device, arranging the refrigerating device, the heating device, the humidifying and dehumidifying device and/or the air pressure control device in the environment control box, and loading the environment parameters into the test box by adopting the vacuum bellows, the test box can be directly and fixedly connected on the table board of the vibration device, the sealing between the test box and the vibration device is eliminated, the sealing reliability of the test box is improved, the production and manufacturing cost is relatively low, meanwhile, the refrigerating device, the heating device, the humidifying and dehumidifying device and/or the air pressure control device cannot vibrate along with the test box, the failure rate is relatively low, the freedom degree of relative motion of the test box and the environment control box is high, the test box can be combined with various vibration tables, the vibration form of the test is enriched, the vibration range is enlarged, and the test application range is wide.
2. The setting of environmental control case can form the buffering between refrigerating plant, heating device, humidification dehydrating unit and/or atmospheric control device and proof box, helps improving the stability of environmental parameter control.
3. A plurality of test boxes can be dragged by one environment control box, so that simultaneous testing of a plurality of samples is completed, or testing of a plurality of vibration modes of the plurality of samples is completed, and the testing efficiency is relatively high.
Drawings
FIG. 1 is a schematic structural diagram of an integrated environment simulation test machine according to the present invention;
FIG. 2 is a schematic structural view of the test chamber of the present invention.
The designations in the figures correspond to the following:
10-a vibrating device; 20-test chamber;
21-an illumination simulation device; 22-video monitoring means;
30-an environmental control cabinet; 40-an upper computer;
50-vacuum bellows; 51-air circulation fan.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1-2, the present embodiment provides an integrated environmental simulation test machine including a vibration device 10, a test chamber 20 placed or fixed on the vibration device, and an environmental control chamber 30 arranged relatively independently of the vibration device 10, i.e., without any physical direct connection between the environmental control chamber 30 and the test chamber 20 and the vibration device 10. Of course, the comprehensive environment simulation testing machine provided in this embodiment further includes an upper computer 40 for controlling the working timing sequences of the experiment box 20, the vibration device 10 and the environment control box 30, and the upper computer 40 is a conventional upper computer and performs function setting according to actual function requirements.
The vibration device 10 may be a conventional vibration device, for example, the vibration device 10 includes a vertical vibration table and a horizontal vibration table disposed on the vertical vibration table, and the test box 20 is disposed on the horizontal vibration table, or the vibration device 10 includes a horizontal vibration table and a vertical vibration table disposed on the horizontal vibration table, and the test box 20 is disposed on the vertical vibration table, thereby achieving vibration in vertical and horizontal directions. Preferably, in the present embodiment, the vibration device 10 is a rotary vibration table (also referred to as a horse race type vibration table) directly available from the market, and the vibration mode is various, which contributes to the improvement of the applicable range of the testing machine. Of course, the vibration device 10 is connected to the upper computer in communication.
The test box 20 is a sealed box body, a sealing door is arranged on the sealed box body so as to be convenient for taking and placing samples, the bottom of the test box 20 is directly and fixedly connected to the working table surface of the vibrating device 10, and sealing treatment is not needed between the bottom of the test box and the working table surface. The experiment box 20 is provided with an illumination simulation device 21 and a video monitoring device 22 therein, of course, only the illumination simulation device 21 or the video monitoring device 22 may be provided, when the experiment box 20 is provided with only the illumination simulation device 21 or the video monitoring device 22, a window is preferably formed on the box body, and transparent glass is hermetically arranged on the window, so that external illumination can enter the experiment box 20 through the window or observe the condition inside the experiment box 20 through the window, and if necessary, the box body of the experiment box 20 may also be provided as a transparent box body.
In addition, be provided with pressure sensor, temperature sensor and/or humidity transducer in the proof box 20, in this embodiment, be provided with pressure sensor, temperature sensor and humidity transducer in the proof box 20, each sensor all is connected with host computer 40 communication, can form feedback system like this, is convenient for adjust environmental parameter.
The environmental control box 30 is substantially a buffer box, and a refrigeration device, a heating device, a humidification and dehumidification device and/or an air pressure control device are/is arranged in the buffer box, in the embodiment, environmental parameter simulation devices such as the refrigeration device, the heating device, the humidification and dehumidification device and the air pressure control device are arranged in the environmental control box 30, and the devices are the same as those used in the existing environmental simulation test machine, can be directly purchased and obtained from the market, and are all in communication connection with an upper computer. Since these devices do not act directly within test chamber 20, they help to improve the stability of the control of the environmental parameters. If necessary, a pressure sensor, a temperature sensor and a humidity sensor which are in communication connection with the upper computer can also be arranged in the environment control box 30.
Two vacuum bellows 50 are connected between the test chamber 20 and the environmental control chamber 30, and an air circulation fan 51 is disposed at an end of one of the vacuum bellows 50, but other fans may be used instead of the air circulation fan, such as an exhaust fan.
Preferably, there may be more than two test chambers 20, and when there are more than two test chambers 20, each test chamber 20 may be placed on the same vibration device 10, or may be prevented from being placed on different vibration devices 10, and may be determined according to actual needs, and each test chamber 20 is connected to the same environmental control chamber 30 through two vacuum bellows 50, which helps to improve the test efficiency.
When the test box is used, a sample is placed into the test box 20, then the corresponding environmental parameter simulation device arranged in the environmental control box 30 is started according to test requirements, the exhaust fan 51 is opened at the same time, so that the parameters between the test box 20 and the environmental control box 30 circulate, and after the environment in the test box 20 meets the test requirements, the vibration device 10 is started to start testing.
The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.
Claims (7)
1. A comprehensive environment simulation test machine is characterized by comprising a vibrating device, a test box placed or fixed on the vibrating device and an environment control box which is relatively independently arranged with the vibrating device, wherein a refrigerating device, a heating device, a humidifying and dehumidifying device and/or an air pressure control device are arranged in the environment control box, an illumination simulation device and/or a video monitoring device are arranged in the test box, two vacuum corrugated pipes are connected between the test box and the environment control box, and a fan is arranged at the end part of one of the vacuum corrugated pipes.
2. The comprehensive environmental simulation testing machine of claim 1, wherein the vibration device is a rotary vibration table, a hydraulic vibration table, or an electromagnetic vibration table.
3. The synthetic environmental simulation testing machine of claim 1, wherein the vibration device comprises a vertical vibration table and a horizontal vibration table disposed on the vertical vibration table, the test chamber being disposed on the horizontal vibration table.
4. The synthetic environmental simulation testing machine of claim 1, wherein the vibration device comprises a horizontal vibration table and a vertical vibration table disposed on the horizontal vibration table, the test chamber being disposed on the vertical vibration table.
5. The synthetic environmental simulation testing machine of claim 1, wherein the fan is an exhaust fan or a cavity circulation fan.
6. The synthetic environmental simulation testing machine of claim 1, wherein the test chamber is provided with a pressure sensor, a temperature sensor and/or a humidity sensor.
7. The synthetic environmental simulation test machine of any one of claims 1-6, wherein there are more than two of the test chambers, each of the test chambers being connected to the same environmental control chamber by two of the vacuum bellows.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502623.0A CN112665811A (en) | 2020-12-18 | 2020-12-18 | Comprehensive environment simulation test machine |
| CN202110559057.5A CN113155391A (en) | 2020-12-18 | 2021-05-21 | Comprehensive environment simulation test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502623.0A CN112665811A (en) | 2020-12-18 | 2020-12-18 | Comprehensive environment simulation test machine |
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| Publication Number | Publication Date |
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| CN112665811A true CN112665811A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011502623.0A Pending CN112665811A (en) | 2020-12-18 | 2020-12-18 | Comprehensive environment simulation test machine |
| CN202110559057.5A Pending CN113155391A (en) | 2020-12-18 | 2021-05-21 | Comprehensive environment simulation test machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110559057.5A Pending CN113155391A (en) | 2020-12-18 | 2021-05-21 | Comprehensive environment simulation test machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375884A (en) * | 2021-06-16 | 2021-09-10 | 湖南苏试广博检测技术有限公司 | Four-comprehensive test system considering ventilation |
| CN113691798A (en) * | 2021-08-10 | 2021-11-23 | 一汽解放汽车有限公司 | System and method for detecting running reliability of vehicle-mounted camera and computer equipment |
| CN114019353A (en) * | 2021-10-30 | 2022-02-08 | 江门市鸿基安普电子有限公司 | Production performance test system and test method for direct current motor driving circuit board |
| CN114636538A (en) * | 2022-04-06 | 2022-06-17 | 苏州东菱振动试验仪器有限公司 | Test box and vibration test system |
| CN114689119A (en) * | 2022-03-25 | 2022-07-01 | 德凯宜特（昆山）检测有限公司 | Chip package multi-parameter detection equipment and detection method |
| CN115200910A (en) * | 2022-06-22 | 2022-10-18 | 盐城工学院 | Equipment performance evaluation device based on electrical information |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114160214B (en) * | 2021-11-10 | 2023-10-27 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100605133B1 (en) * | 2002-05-17 | 2006-07-28 | (주)수도프리미엄엔지니어링 | Vehicle's dynamo/vibration environment simulation chamber |
| CN207662586U (en) * | 2017-12-29 | 2018-07-27 | 常熟市虞华真空设备科技有限公司 | High vacuum high/low temperature vibration testing device |
| CN109856475A (en) * | 2018-12-19 | 2019-06-07 | 中国航发控制系统研究所 | A kind of combined stress experimental rig |
| CN214667532U (en) * | 2020-12-18 | 2021-11-09 | 泉州装备制造研究所 | Comprehensive environment simulation test machine |
-
2020
- 2020-12-18 CN CN202011502623.0A patent/CN112665811A/en active Pending
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2021
- 2021-05-21 CN CN202110559057.5A patent/CN113155391A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375884A (en) * | 2021-06-16 | 2021-09-10 | 湖南苏试广博检测技术有限公司 | Four-comprehensive test system considering ventilation |
| CN113691798A (en) * | 2021-08-10 | 2021-11-23 | 一汽解放汽车有限公司 | System and method for detecting running reliability of vehicle-mounted camera and computer equipment |
| CN113691798B (en) * | 2021-08-10 | 2024-04-09 | 一汽解放汽车有限公司 | Vehicle-mounted camera operation reliability detection system, method and computer equipment |
| CN114019353A (en) * | 2021-10-30 | 2022-02-08 | 江门市鸿基安普电子有限公司 | Production performance test system and test method for direct current motor driving circuit board |
| CN114689119A (en) * | 2022-03-25 | 2022-07-01 | 德凯宜特（昆山）检测有限公司 | Chip package multi-parameter detection equipment and detection method |
| CN114636538A (en) * | 2022-04-06 | 2022-06-17 | 苏州东菱振动试验仪器有限公司 | Test box and vibration test system |
| CN115200910A (en) * | 2022-06-22 | 2022-10-18 | 盐城工学院 | Equipment performance evaluation device based on electrical information |
| CN115200910B (en) * | 2022-06-22 | 2023-10-10 | 盐城工学院 | Equipment performance evaluation device based on electrical information |
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| Publication number | Publication date |
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| CN113155391A (en) | 2021-07-23 |
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Application publication date: 20210416 |