CN104677559A - Method for testing defects of lamp respirator - Google Patents
Method for testing defects of lamp respirator Download PDFInfo
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- CN104677559A CN104677559A CN201310608990.2A CN201310608990A CN104677559A CN 104677559 A CN104677559 A CN 104677559A CN 201310608990 A CN201310608990 A CN 201310608990A CN 104677559 A CN104677559 A CN 104677559A
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Abstract
A method for testing the defects of a lamp respirator comprises the following steps: step 1, assembling a respirator on a lamp at normal temperature, and performing IP protection test according to the IP protection grade requirement of the lamp; step 2, testing the breathability and waterproof performance of the respirator after the test in step 1; step 3, performing high-temperature aging treatment on the respirator after the test in step 2; step 4, re-executing step 1 and step 2 on the respirator after the high-temperature aging treatment in step 3; step 5, testing the breathing performance of the respirator after the test in step 4; and step 6, re-executing step 1 and step 2 on the respirator after the breathing performance test in step 5. The breathability and waterproof performance of the respirator can be detected accurately by simulating the situation in which the respirator goes through a high-temperature aging environment caused by lamp heating for a long time during use and then adopting an air valve and a vacuum pump to simulate the pressure difference.
Description
Technical field
Technical field of lamps of the present invention, particularly relates to the method for testing of respirator defect in a kind of light fixture.
Background technology
Along with the development of illuminating industry grows, respirator is in each industrial circle widespread use.The light fixture degree of protection of such as outdoor use must at more than IP65.Especially large-power lamp due to sealing property require high, light fixture work time lamp chamber air pressure raise and can not well outwards appear, finally cause light fixture certain weak part insufficient strength occur damage.Run into rain in use procedure in addition and lamp chamber air pressure can be made to decline rapidly form Negative Pressure Difference with outside, causing the O-ring seal of light fixture to produce deformation causes lamp interior to be intake, make the damage such as light source, electric component, or the decrement of O-ring seal is enough strong, light fixture weak part is caused to occur distortion or damage.Current solution to the problems described above is on light fixture, increase by a respirator apparatus, and the effectively ventilative and water resistance of respirator apparatus is the key index as detecting its performance.Effectively discharge when lamp interior air pressure is greater than external pressure, effectively external pressure is sucked in lamp body when lamp body internal gas pressure is less than external pressure, finally guarantee not form air pressure difference with outside in lamp body.Thus solve light fixture in use procedure distortion or the problem of damage, and the sealing property of light fixture, improve the reliability of light fixture.
Colloid respirator due to adopt main material be plastic material, in light fixture Long-Time Service, particularly outdoor products, go through wind and weather, and long term high temperature when light fixture uses is aging, respirator is easily caused to occur blocking distortion or disabler, cause light fixture and occur that when heat expansion lamp chamber is heaved, affect the normal use of light fixture, when light fixture is when bearing shrinkage, there is phenomenon of caving in lamp body, affect customer perception and normal use, or occur that rainwater enters inside lamp chamber, affect the IP degree of protection of light fixture entirety, and finally form potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming the existence of above-mentioned prior art, and proposes a kind of method of testing that can detect the defect that the ventilative of respirator and water resistance exist.
For solving the problems of the technologies described above, the present invention proposes a kind of method of testing of light fixture respirator defect, comprises the following steps:
Step 1, is assembled to respirator after on light fixture under normal temperature, requires to carry out IP protection test according to the IP degree of protection of light fixture;
Step 2, carries out ventilative and water resistance test to the respirator tested by step 1;
Step 3, carries out high temperature ageing process to the respirator tested by step 2;
Step 4, re-executes step 1 and step 2 to the respirator after the process of step 3 high temperature ageing;
Step 5, carries out breathing performance test to the respirator tested by step 4;
Step 6, re-executes step 1 and step 2 to the respirator breathing performance test through step 5.
The method of testing of described light fixture respirator defect, wherein, described step 2 comprises: step 2-1, is positioned in water by the vent valve of respirator, and vent valve vent port is crossed in water surface submergence; Step 2-2, is connected the gas vent of respirator with a force (forcing) pump air gun, open force (forcing) pump air gun gradually to respirator supercharging until observed that bubble is emerged the water surface, otherwise pressurization is pressurized to predetermined high pressure always; Step 2-3, is connected the aspirating hole of respirator with a vacuum pump, opens vacuum pump and bleeds and make respirator be decompressed to predetermined low pressure gradually, and whether observation decompression has water to enter respirator.
The method of testing of described light fixture respirator defect, wherein, described predetermined high pressure is 1.2 times of standard atmospheric pressures.
The method of testing of described light fixture respirator defect, wherein, described predetermined low pressure is 0.8 times of standard atmospheric pressure.
The method of testing of described light fixture respirator defect, wherein, the high temperature ageing process of described step 3 is carried out in incubator, and the temperature of high temperature ageing process is 60 DEG C.
The method of testing of described light fixture respirator defect, wherein, the high temperature ageing processing time is 240 hours.
The method of testing of described light fixture respirator defect, wherein, the breathing performance Test pack of described step 5 is drawn together and is tested by the expiration performance test of carrying out under normal atmospheric environment and pumping property the circulation formed.
The method of testing of described light fixture respirator defect, wherein, the test air pressure of described expiration performance test is the barometric minimum that respirator can be made to exhale, and test period is one minute.
The method of testing of described light fixture respirator defect, wherein, the test air pressure of described pumping property test is 0.8 times of standard atmospheric pressure, and test period is one minute.
The method of testing of described light fixture respirator defect, wherein, the breathing performance Test pack of described step 5 is drawn together 10 times and is tested by the expiration performance test of carrying out under normal atmospheric environment and pumping property the circulation formed.
Compared with prior art, the present invention has following beneficial effect: the present invention stands to generate heat the high temperature ageing environment caused due to light fixture by simulated respiration device in use for a long time, then the test method by adopting air valve and vacuum pump to carry out Simulated gas pressure reduction, just can detect the ventilative of respirator and water resistance accurately.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for testing of light fixture respirator defect of the present invention.
Embodiment
In order to further illustrate principle of the present invention and structure, existing to a preferred embodiment of the present invention will be described in detail.
Certain Projecting Lamp newly developed, lamp power is 1000W, is widely used in outdoor location.Causing light fixture weak part to occur distortion or damage problem for solving light fixture because of draught head, during design research and development, on light fixture, increasing by a respirator apparatus.Adopt the method for testing of respirator defect to test the respirator on this Projecting Lamp in the present embodiment, to find this respirator whether existing defects, lost efficacy after causing its Long-Time Service abnormal.As shown in Figure 1, concrete test comprises the steps:
Step 1, first checks under normal temperature that whether respirator outward appearance is normal, is assembled by respirator after on light fixture, require to carry out IP protection test according to light fixture IP degree of protection, it is abnormal that light fixture occurs if do not find, then carry out follow-up test.
Step 2, carry out ventilative and water resistance test to respirator, this step comprises: step 2-1, is positioned in water by the vent valve of respirator, and vent valve vent port is crossed in water surface submergence, specifically just covers vent valve vent port with sleep and is as the criterion;
Step 2-2, is connected the gas vent of respirator with a force (forcing) pump air gun, opens force (forcing) pump air gun gradually to respirator supercharging until observed that bubble is emerged the water surface.Observe in pressurization and whether have bubble to emerge the water surface, if find there is bubble in the water surface, then respirator permeability can meet expiration request for utilization, otherwise continue to adopt force (forcing) pump air gun to apply air pressure, until apply air pressure to reach a predetermined high pressure, the predetermined high pressure in the present embodiment is 1.2 times of standard atmospheric pressures, if after air pressure reaches predetermined high pressure, there is bubble in the water surface, then can judge that this respirator permeability cannot meet light fixture actual operation requirements not yet.
Occur that bubble represents that respirator is ventilative, lower just beginning of air pressure is breathed freely, and illustrates that respirator permeability is better; Just can breathe freely if air pressure is higher, under ventilated membrane is in the powerful situation of pressurized for a long time, easily cause ventilated membrane to lose efficacy.Can be judged respirator permeability by step 2-2.
Step 2-3, is connected the aspirating hole of respirator with a vacuum pump, opens vacuum pump and bleeds and make respirator be decompressed to predetermined low pressure gradually, and whether observation decompression has water to enter respirator.In the present embodiment, predetermined low pressure is 0.8 standard atmospheric pressure, is carrying out in pumping process, and suck if find that there is water, then this respirator water resistance cannot meet the requirement of light fixture IP degree of protection, and this vent valve can not be applied on light fixture.
Step 3, carries out high temperature ageing process to being tested rear satisfied vent valve that is ventilative and water resistance by step 2.Then respirator is positioned over incubator, arranging probe temperature condition is: 60 DEG C, and the test duration is: 240 hours, opens incubator, carries out high temperature test.By high-temperature circulation test, the state of simulated respiration device after Long-Time Service, provides foundation extremely for whether respirator after confirmation Long-Time Service exists to lose efficacy.
Step 4, re-executes step 1 and step 2 to the respirator after the process of step 3 high temperature ageing.First check that whether the outward appearance of respirator is normal, assembled by respirator after on light fixture, require to carry out IP protection test according to light fixture IP degree of protection, it is abnormal if do not find, light fixture occurs, carries out the ventilative of step 2 and water resistance test.
To being tested by step 4, step 5, does not find that the respirator of ventilative and water resistance problem carries out breathing performance test.Breathing performance Test pack is drawn together and is tested by the expiration performance test of carrying out under normal atmospheric environment and pumping property the circulation formed.The test air pressure of expiration performance test is the barometric minimum that respirator can be made to exhale, and namely occur air pressure during bubble in abovementioned steps 2-2 pressurization the earliest, test period is one minute.The test air pressure of pumping property test is 0.8 times of standard atmospheric pressure, and test period is one minute.Repeat 10 times and test the circulation formed, with simulated respiration device in the performance state after Long-Time Service by aforementioned expiration performance test and pumping property.
Step 6, re-executes step 1 and step 2 to the respirator breathing performance test through step 5.First check that whether the outward appearance of respirator is normal, assembled by respirator after on light fixture, require to carry out IP protection test according to light fixture IP degree of protection, it is abnormal if do not find, light fixture occurs, carries out the ventilative of step 2 and water resistance test.If exception does not appear in respirator after tested, then respirator can meet Long-Term Properties requirement, otherwise this respirator existing defects, may exist after Long-Time Service and lose efficacy extremely.
There is not distortion and damage problem in the respirator that the Projecting Lamp by above-mentioned test uses, by IP protection test, and obtains good effect putting goods on the market in actual use.
The temperature and time of the predetermined high pressure more than in test, predetermined low pressure, high temperature ageing process and breathe the test conditions such as cycle index in performance test and can adjust according to tested respirator practical service environment condition.
The present invention is by simulated respiration device state after Long-Time Service, then respirator work is utilized to there is the principle of draught head, just the ventilative of respirator and water resistance can be detected accurately, for light fixture newly developed selects suitable respirator to provide foundation, reduce light fixture owing to lacking ventilative, water-proof function, light fixture is caused to destroy because air pressure height produces, or because water resistance difference causes light fixture to be intake, threaten personal safety, effectively can be improved the reliability of light fixture by this method, reduce customer complaint phenomenon and occur.
These are only better possible embodiments of the present invention, not limit the scope of the invention, all utilizations instructions of the present invention and the change of the equivalent structure done by accompanying drawing content, be all included in protection scope of the present invention.
Claims (10)
1. a method of testing for light fixture respirator defect, is characterized in that, comprises the following steps:
Step 1, is assembled to respirator after on light fixture under normal temperature, requires to carry out IP protection test according to the IP degree of protection of light fixture;
Step 2, carries out ventilative and water resistance test to the respirator tested by step 1;
Step 3, carries out high temperature ageing process to the respirator tested by step 2;
Step 4, re-executes step 1 and step 2 to the respirator after the process of step 3 high temperature ageing;
Step 5, carries out breathing performance test to the respirator tested by step 4;
Step 6, re-executes step 1 and step 2 to the respirator breathing performance test through step 5.
2. the method for testing of light fixture respirator defect as claimed in claim 1, it is characterized in that, described step 2 comprises: step 2-1, is positioned in water by the vent valve of respirator, and vent valve vent port is crossed in water surface submergence;
Step 2-2, is connected the gas vent of respirator with a force (forcing) pump air gun, open force (forcing) pump air gun gradually to respirator supercharging until observed that bubble is emerged the water surface, otherwise pressurization is pressurized to predetermined high pressure always;
Step 2-3, is connected the aspirating hole of respirator with a vacuum pump, opens vacuum pump and bleeds and make respirator be decompressed to predetermined low pressure gradually, and whether observation decompression has water to enter respirator.
3. the method for testing of light fixture respirator defect as claimed in claim 2, it is characterized in that, described predetermined high pressure is 1.2 times of standard atmospheric pressures.
4. the method for testing of light fixture respirator defect as claimed in claim 2, it is characterized in that, described predetermined low pressure is 0.8 times of standard atmospheric pressure.
5. the method for testing of light fixture respirator defect as claimed in claim 1, it is characterized in that, the high temperature ageing process of described step 3 is carried out in incubator, and the temperature of high temperature ageing process is 60 DEG C.
6. the method for testing of light fixture respirator defect as claimed in claim 5, it is characterized in that, the high temperature ageing processing time is 240 hours.
7. the method for testing of light fixture respirator defect as claimed in claim 1, it is characterized in that, the breathing performance Test pack of described step 5 is drawn together and is tested by the expiration performance test of carrying out under normal atmospheric environment and pumping property the circulation formed.
8. the method for testing of light fixture respirator defect as claimed in claim 7, it is characterized in that, the test air pressure of described expiration performance test is the barometric minimum that respirator can be made to exhale, and test period is one minute.
9. the method for testing of light fixture respirator defect as claimed in claim 7, is characterized in that, the test air pressure of described pumping property test is 0.8 times of standard atmospheric pressure, and test period is one minute.
10. the method for testing of light fixture respirator defect as claimed in claim 7, it is characterized in that, the breathing performance Test pack of described step 5 is drawn together 10 times and is tested by the expiration performance test of carrying out under normal atmospheric environment and pumping property the circulation formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608990.2A CN104677559A (en) | 2013-11-26 | 2013-11-26 | Method for testing defects of lamp respirator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608990.2A CN104677559A (en) | 2013-11-26 | 2013-11-26 | Method for testing defects of lamp respirator |
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| CN104677559A true CN104677559A (en) | 2015-06-03 |
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| CN201310608990.2A Pending CN104677559A (en) | 2013-11-26 | 2013-11-26 | Method for testing defects of lamp respirator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225679A (en) * | 2017-12-28 | 2018-06-29 | 浙江凯耀照明股份有限公司 | Light fixture detection device |
| CN110039986A (en) * | 2018-01-15 | 2019-07-23 | 舍弗勒技术股份两合公司 | Double-channel adapter for high-voltage box and high-voltage box of hybrid power module |
-
2013
- 2013-11-26 CN CN201310608990.2A patent/CN104677559A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225679A (en) * | 2017-12-28 | 2018-06-29 | 浙江凯耀照明股份有限公司 | Light fixture detection device |
| CN110039986A (en) * | 2018-01-15 | 2019-07-23 | 舍弗勒技术股份两合公司 | Double-channel adapter for high-voltage box and high-voltage box of hybrid power module |
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Application publication date: 20150603 |