CN204064599U - Air conditioner random vibration comprehensive test device - Google Patents
Air conditioner random vibration comprehensive test device Download PDFInfo
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- CN204064599U CN204064599U CN201420175327.8U CN201420175327U CN204064599U CN 204064599 U CN204064599 U CN 204064599U CN 201420175327 U CN201420175327 U CN 201420175327U CN 204064599 U CN204064599 U CN 204064599U
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- air conditioner
- test device
- shaking table
- comprehensive test
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Abstract
The utility model discloses a kind of air conditioner random vibration comprehensive test device.Air conditioner random vibration comprehensive test device of the present utility model, comprising: shaking table body, described shaking table body have for by vibration passing to the shaking table face of air conditioner to be measured; For the vibration chamber of accommodating described air conditioner to be measured; And secondary refrigerant leakage pick-up unit, whether described secondary refrigerant leakage pick-up unit is revealed for the refrigerant detecting the air conditioner to be measured being positioned at described vibration cavity indoor.Fast Measurement air-conditioner hose system can there is the correct time of brittle fracture or fatigue break under the condition of different operating mode and different excitation density in the utility model; By combining with the stress-strain test equipment be arranged in pipe system, air-conditioner hose system real Product-level easy fracture position S-N fatigue lifetime curve can be calculated accurately, and careful design can be carried out according to this curve to the reliability of air conditioner product and life-span; And simple to operate, testing efficiency is high.
Description
Technical field
The utility model relates to a kind of vibration-testing apparatus and method, particularly relates to a kind of air conditioner random vibration comprehensive test device.
Background technology
Generation in transit in order to avoid air conditioner product from manufacturer to client family destroys, and Air-conditioning Enterprise will carry out long-distance transport experiment and random vibration experiment to air conditioner product usually at the product development initial stage.Although good but its length consuming time of long-distance transport experiment effect and cost is high again, enterprise is often difficult to bear.Therefore, the packed and transported experiment of various simulate condition and random vibration experiment become the method that Ge great air conditioner producer extensively adopts.
Existing air conditioner random vibration experiment advantage is that cost is low, convenient test, and is not limited in factory by time and place and just can completes test.But the method still has its shortcoming and defect.Fig. 1 is traditional air conditioner random vibration test platform, and it forms primarily of display 1, main control unit 2, shaking table body 4, air conditioner to be measured 5.The course of work is by the air conditioner to be measured 5 through anticipating with packaging; be placed on shaking table body 4; test instruction is sent by main control unit 2 pairs of shaking table bodies 4 by test man; shaking table body 4 starts to vibrate by oscillation intensity given in advance; after the test duration that standard specifies arrives; shut down after shaking table body 4; the external packing of test man to air conditioner 5 to be measured checks; tear machine check air conditioner 5 to be measured inside subsequently open and whether have distortion; fractures etc., finally pass judgment on according to standard.But this proving installation test duration is constant, test duration cannot be saved, and the time that air-conditioner hose destroys cannot be judged, the ess-strain value of the position that air-conditioning duct destroys cannot be determined fast, more cannot calculate the S-N curve real fatigue lifetime at air-conditioner hose system easy fracture position.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of air conditioner random vibration comprehensive test device, the correct time of brittle fracture or fatigue break can occur Fast Measurement air-conditioner hose system under the condition of different operating mode and different excitation density.
Another object of the present utility model is to provide a kind of air conditioner random vibration comprehensive test device, determines the ess-strain value of the position that air-conditioning duct destroys fast.
Another object of the present utility model is to provide a kind of air conditioner random vibration comprehensive test device, the S-N curve real fatigue lifetime at air-conditioner hose system easy fracture position can be calculated accurately, and careful design can be carried out according to this curve to the reliability of air conditioner product and life-span.
Another object of the present utility model is to provide a kind of air conditioner random vibration comprehensive test device, and simple to operate, testing efficiency is high, decreases the generation of erroneous judgement.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: air conditioner random vibration comprehensive test device shaking table body of the present utility model, described shaking table body have for by vibration passing to the shaking table face of air conditioner to be measured; For the vibration chamber of accommodating described air conditioner to be measured; And secondary refrigerant leakage pick-up unit, whether described secondary refrigerant leakage pick-up unit is revealed for the refrigerant detecting the air conditioner to be measured being positioned at described vibration cavity indoor.
As preferably, described shaking table body includes the acceleration transducer detected the itself vibrates state of described shaking table body.
As preferably, described shaking table body is provided with a seal closure, forms described vibration chamber between described shaking table body and described seal closure, described vibration chamber is a closed chamber.
As preferably, described seal closure is provided with stress-strain test device, described stress-strain test device is for detecting the ess-strain situation of the pipeline of air conditioner to be measured.
As preferably, described stress stress-strain test device comprises the foil gauge be arranged on described air-conditioner hose, signal amplifier, A/D modular converter and data processing module, the signal input part of described signal amplifier is connected with the signal output part of described foil gauge, the signal input part of described A/D modular converter and described signal amplifier signal output part be connected, the signal output part of described A/D modular converter (5) is connected with the signal input part of data processing module.
As preferably, described air conditioner random vibration comprehensive test device also comprises the main control unit for data acquisition and processing (DAP), and described main control unit is connected with stress-strain test device with shaking table body, secondary refrigerant leakage pick-up unit respectively.
As preferably, described air conditioner random vibration comprehensive test device also comprises alarm, and described alarm is connected with described secondary refrigerant leakage pick-up unit.
As preferably, described secondary refrigerant leakage pick-up unit comprises the secondary refrigerant leakage acquisition sensor sending stopping signal when secondary refrigerant leakage being detected to described shaking table body.
As preferably, described air conditioner random vibration comprehensive test device comprises the attemperating unit of the environment temperature for regulating described vibration cavity indoor, and described attemperating unit comprises refrigeration part and heating parts.
As preferably, described air conditioner random vibration comprehensive test device is for controlling the humidity conditioner of vibration cavity indoor environment humidity.
The beneficial effect that the utility model brings is:
(1) traditional air conditioner random vibration test method, qualified air conditioner and defective air conditioner can be distinguished, but between defective air conditioner who poorer or who relatively better cannot distinguish, and method of testing of the present utility model can measure accurately breaking or rupture time of all air conditioners accurately; Namely the utility model not only can determine the accurate rupture time of different air-conditioner hose system fast, and the fatigure failure point of the pipe system that identical air conditioner can be found fast different, and the Curve guide impeller for pipe system is very helpful;
(2) conventional air conditioner random vibration test platform; the identical test duration is all adopted to all objects to be measured; no matter whether object to be tested there is fracture by fatigue already; all then shut down inspection of unpacking again; lose time very much and experimental resources, and if be not carefully easy to cause erroneous judgement to minute crack inspection.Novel test method is then controlled the shutdown of shaking table body by secondary refrigerant leakage detecting sensor.Therefore the accuracy of testing efficiency and guarantee evaluation can effectively be improved;
(3) can test the Fatigue Life Curve of air-conditioner hose ready system products in conjunction with stress-strain test equipment the utility model, and be used to guide the accurate Fatigue life design of product, can greatly improve design accuracy and design efficiency, shorten the product design and development cycle, reduce design cost Promote Competitive.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of prior art;
Accompanying drawing 2 is a kind of structural representations of the present utility model.
Label declaration: 1, display; 2, main control unit; 3, acceleration transducer; 4, shaking table body; 4-1, shaking table face; 4-2, vibration machine; 5, air conditioner to be measured; 6, chamber is vibrated; 7, seal closure; 8, secondary refrigerant leakage acquisition sensor; 9, stress-strain test device; 10, flexible connecting member.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the air conditioner random vibration comprehensive test device of the present embodiment as shown in Fig. 2, involving vibrations playscript with stage directions body 4, vibration chamber 6, secondary refrigerant leakage pick-up unit, stress-strain test device 9, alarm, display 1, attemperating unit, humidity conditioner and main control unit 2.
Shaking table body 4 involving vibrations generator 4-2, for by vibration passing to the shaking table face 4-1 of air conditioner and the acceleration transducer 3 that detects the itself vibrates state of shaking table body 4, vibration machine 4-2 is for generation of random vibration, shaking table face 4-1 is for supporting air conditioner 5 to be measured, and the vibration passing produced by vibration machine 4-2 is on air conditioner 5 to be measured, acceleration transducer 3 pairs of shaking table body 4 itself vibrates are tested and test value and target setting value are compared.
Shaking table body 4 is provided with a seal closure 7, seal closure 7 is connected with shaking table body 4 by flexible connecting member 10, flexible connecting member 10 is connected with the gusset of shaking table body 4, form vibration chamber 6 between shaking table body 4 and seal closure 7, this vibration chamber 6 is one for the closed chamber of accommodating air conditioner.
Whether secondary refrigerant leakage pick-up unit is revealed for the refrigerant detecting the air conditioner being positioned at vibration cavity room 6; secondary refrigerant leakage pick-up unit is located on seal closure 7; secondary refrigerant leakage pick-up unit comprises secondary refrigerant leakage acquisition sensor 8; when secondary refrigerant leakage acquisition sensor 8 detect have a secondary refrigerant leakage in vibration chamber 6 time; alarm gives the alarm; secondary refrigerant leakage acquisition sensor 8 by signal transmission to main control unit 2; after main control unit 2 receives this signal; send stop instruction to shaking table body 4, shaking table body 4 vibrates and stops.
Stress-strain test device 9 is for detecting the ess-strain situation of the pipeline of air conditioner, stress stress-strain test device 9 comprises the multiple foil gauges be attached on air-conditioner hose surface, signal amplifier, A/D modular converter and data processing module, the signal input part of signal amplifier is connected with the signal output part of foil gauge, the signal input part of A/D modular converter is connected with the signal output part of signal amplifier, and the signal output part of A/D modular converter is connected with the signal input part of data processing module.
Attemperating unit is for controlling vibration cavity indoor environment temperature, and attemperating unit comprises refrigeration part and heating parts, and humidity conditioner is for controlling vibration cavity indoor environment humidity.
Main control unit 2 comprises host computer, and host computer is connected with shaking table body 4, secondary refrigerant leakage pick-up unit, stress-strain test device 9, alarm, display 1 respectively.Secondary refrigerant leakage pick-up unit is connected with alarm, and display 1 is for the ess-strain situation of change of monitoring and test real-time condition.
The air conditioner random vibration comprehensive test device course of work of the present embodiment is as follows: first by the air conditioner to be measured 5 through anticipating with packaging, be placed on shaking table body 4, by host computer, test instruction is sent to shaking table body 4 by test man, shaking table body 4 starts to vibrate by oscillation intensity given in advance, and shaking table body 4 indeed vibrations and object value compare and namely detect the vibrational state of shaking table body 4 own by acceleration transducer 3.When air-conditioner hose system breaks micro-leakage, secondary refrigerant leakage acquisition sensor 8 detects signal, and alarm sends chimes of doom, vibratory equipment auto stop; When air conditioner breaks in official hour, shaking table body 4 will after reaching the presumptive test time auto stop.Linked together by flexible connecting member 10 between shaking table body 4 sealing cover of adjustable operating mode and shaking table body 4,9, stress-strain test device records the ess-strain situation in whole process automatically.After shaking table body 4 is shut down, shaking table body is shut down the rear tested air-conditioning external packing of spot check, inner components, pipe system etc. in detail and is destroyed situation, finally passes judgment on according to standard.
Air conditioner random vibration integrated test facility of the present utility model, comprises the following steps:
1) test point is set on air-conditioning duct easy fracture position and foil gauge is installed, can choose on following parts and foil gauge is installed as measuring point: the adapter of gas outlet, muffler, low pressure valve and the adapter of valve condenser etc., be then placed in the vibration chamber 6 of sealing by the air conditioner to be measured 5 installing foil gauge together with packaging;
2) shaking table body 4 random vibration test step: send detection instruction by main control unit 2 pairs of shaking table bodies 4, shaking table body 4 starts the random vibration of being undertaken by oscillation intensity given in advance under simulate state, and records the time of shaking table body 4 startup;
In this step, also comprise the simulate operating mode step being controlled the environment temperature vibrated in chamber 6 by attemperating unit, simulate different operating modes when air-conditioning transports with this;
In this step, also comprise the simulate operating mode step being controlled the ambient humidity vibrated in chamber 6 by humidity conditioner, simulate different operating modes when air-conditioning transports with this;
3) shaking table body 4 and air conditioner vibration detection step, comprising:
(3-1) shaking table body 4 itself vibrates state detecting step: test by acceleration transducer 3 pairs of shaking table body 4 itself vibrates and test value and target setting value are compared;
(3-2) air-conditioner hose ess-strain detecting step; The ess-strain situation in whole process is recorded by stress-strain test device 9;
Obtain air-conditioning ess-strain situation of change under the condition of different excitation density according to acceleration transducer 3, stress-strain test device 9, determine the fatigure failure point position of air-conditioner hose system fast, and calculate air-conditioner hose system real Product-level S-N fatigue lifetime curve.
4) shaking table body 4 outage:
When reaching following arbitrary condition, shaking table body 4 auto stop, and record stop time:
(4-1) detect when having a secondary refrigerant leakage in vibration chamber 6;
(4-2) when reaching the presumptive test time;
By shaking table body 4 stop time of comparing and shaking table body 4 opening time, obtain the correct time of brittle fracture or fatigue break.
5) air conditioner destroys situation and checks step: after shaking table body 4 is shut down, and the tested air-conditioning external packing of detailed spot check, inner components, pipe system etc. destroy situation, finally pass judgment on according to standard.
Below be only described with regard to the utility model preferred embodiment, but can not be interpreted as it is restriction to the utility model protection domain.The utility model is not only confined to above embodiment, and its concrete structure or shape allow to change.In a word, protection domain of the present utility model should comprise those apparent conversion or alternative and remodeling to those skilled in the art.
Claims (10)
1. an air conditioner random vibration comprehensive test device, is characterized in that, comprising:
Shaking table body, described shaking table body have for by vibration passing to the shaking table face of air conditioner to be measured;
For the vibration chamber of accommodating described air conditioner to be measured;
And secondary refrigerant leakage pick-up unit, whether described secondary refrigerant leakage pick-up unit is revealed for the refrigerant detecting the air conditioner to be measured being positioned at described vibration cavity indoor.
2. air conditioner random vibration comprehensive test device according to claim 1, is characterized in that, described shaking table body includes the acceleration transducer detected the itself vibrates state of described shaking table body.
3. air conditioner random vibration comprehensive test device according to claim 1, it is characterized in that, described shaking table body is provided with a seal closure, forms described vibration chamber between described shaking table body and described seal closure, described vibration chamber is a closed chamber.
4. air conditioner random vibration comprehensive test device according to claim 3, is characterized in that, described seal closure is provided with stress-strain test device, and described stress-strain test device is for detecting the ess-strain situation of the pipeline of air conditioner to be measured.
5. air conditioner random vibration comprehensive test device according to claim 4, it is characterized in that, described stress-strain test device comprises the foil gauge be arranged on described air-conditioner hose, signal amplifier, A/D modular converter and data processing module, the signal input part of described signal amplifier is connected with the signal output part of described foil gauge, the signal input part of described A/D modular converter and described signal amplifier signal output part be connected, the signal output part of described A/D modular converter (5) is connected with the signal input part of data processing module.
6. air conditioner random vibration comprehensive test device according to claim 1, it is characterized in that, described air conditioner random vibration comprehensive test device also comprises the main control unit for data acquisition and processing (DAP), and described main control unit is connected with stress-strain test device with shaking table body, secondary refrigerant leakage pick-up unit respectively.
7. air conditioner random vibration comprehensive test device according to claim 1, is characterized in that, described air conditioner random vibration comprehensive test device also comprises alarm, and described alarm is connected with described secondary refrigerant leakage pick-up unit.
8. air conditioner random vibration comprehensive test device according to claim 1, is characterized in that, described secondary refrigerant leakage pick-up unit comprises the secondary refrigerant leakage acquisition sensor sending stopping signal when secondary refrigerant leakage being detected to described shaking table body.
9. air conditioner random vibration comprehensive test device according to claim 1, it is characterized in that, described air conditioner random vibration comprehensive test device comprises the attemperating unit of the environment temperature for regulating described vibration cavity indoor, and described attemperating unit comprises refrigeration part and heating parts.
10. air conditioner random vibration comprehensive test device according to claim 1, is characterized in that, described air conditioner random vibration comprehensive test device is for controlling the humidity conditioner of vibration cavity indoor environment humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175327.8U CN204064599U (en) | 2014-04-12 | 2014-04-12 | Air conditioner random vibration comprehensive test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175327.8U CN204064599U (en) | 2014-04-12 | 2014-04-12 | Air conditioner random vibration comprehensive test device |
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| Publication Number | Publication Date |
|---|---|
| CN204064599U true CN204064599U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175327.8U Expired - Fee Related CN204064599U (en) | 2014-04-12 | 2014-04-12 | Air conditioner random vibration comprehensive test device |
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| CN (1) | CN204064599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112417587A (en) * | 2020-10-22 | 2021-02-26 | 东风汽车集团有限公司 | Design method of three-way air conditioner pipeline of automobile |
-
2014
- 2014-04-12 CN CN201420175327.8U patent/CN204064599U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112417587A (en) * | 2020-10-22 | 2021-02-26 | 东风汽车集团有限公司 | Design method of three-way air conditioner pipeline of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: NINGBO AUX AIR-CONDITION Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |