CN104525279A - High-low temperature damp-hot test box - Google Patents
High-low temperature damp-hot test box Download PDFInfo
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- CN104525279A CN104525279A CN201410708413.5A CN201410708413A CN104525279A CN 104525279 A CN104525279 A CN 104525279A CN 201410708413 A CN201410708413 A CN 201410708413A CN 104525279 A CN104525279 A CN 104525279A
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Abstract
The invention discloses a high-low temperature damp-hot test box comprising a bracket, an outer box body, an inner box body, a side box body, a box door and a processing device; the inner box body is internally provided with an air-out channel and an air return channel, and a test area is formed between the air-out channel and the air return channel; the processing device comprises a heating device, a first refrigerating device, and a draught fan for making gas cycle among the air-out channel, the test area and the air return channel; the draught fan cooperates with the heating device or the first refrigerating device to generate hot airflow or cold airflow; the test box also comprises an ultrasonic refrigerating humidifying device; the ultrasonic refrigerating humidifying device comprises a second refrigerating device, ultrasonic water mist generators and a water mist conveying pipeline; room-temperature pure water is refrigerated by the second refrigerating device, ultrasonic water mists are produced by the ultrasonic water mist generators and go into the water mist conveying pipeline, water mist outlets are arranged on the water mist conveying pipeline, and to-be-tested objects are arranged to directly face the water mist outlets. The high-low temperature damp-hot test box can effectively control the cost and the equipment size, so as to avoid the waste of energy and places.
Description
Technical field
The present invention relates to a kind of environmental test equipment field, particularly relate to a kind of high-and-low temperature humid heat test box.
Background technology
The usual thermal load capacity of common chamber is all smaller, and the thermal load capacity particularly under super-humid conditions is less.Test except high humidity, as dry heat temperature test, low wet test, if need to increase thermal load capacity, under the condition not increasing volume of the chamber, then can be solved by the way increasing refrigerating capacity, namely needs the refrigeration unit configuring High cooling power; High wet test, under the condition not increasing volume of the chamber, is then difficult to reach by traditional increase refrigerating capacity method and improves its thermal load capacity.In reality, some test specimen, as LED needs to be energized under conditions of high humidity, heat load is discharged into pilot region by luminous form by LED now, as batch LED number ratio is more or power ratio is larger, LED will be larger by the heat load that luminous form discharges, as the test of this condition will be met, then need the chamber that purchase relative test sample size is much bigger, in addition, also must configure the larger refrigeration unit matched therewith, heater, humidifier etc., cause unnecessary procurement payment, place, the waste of the energy etc.
Summary of the invention
The object of the present invention is to provide a kind of high-and-low temperature humid heat test box.
To achieve these goals, technical scheme of the present invention is: provide a kind of high-and-low temperature humid heat test box, described chamber comprises: support, outer case, internal box, side box body, chamber door and treating apparatus, it is inner that described internal box is nested in described outer case, described treating apparatus is located in described side box body, described side box body is attached to described outer case side, heat-insulation layer is provided with between described outer case and described internal box, and described side box body, passage is provided with between outer case and internal box, described chamber door is connected in described outer case and also can seals described internal box, air-out passage and return air channel are installed in described internal box, and form trial zone between described air-out passage and return air channel, described treating apparatus comprises: heater, first refrigerating plant, make gas at described air-out passage, trial zone and return air channel carry out the blower fan circulated, described blower fan coordinates described heater or the first refrigerating plant to produce thermal current or cold airflow, also comprise ultrasonic wave refrigerating humidifying device, described ultrasonic wave refrigerating humidifying device comprises: the second refrigerating plant, ultrasonic water mist generator and water smoke conveyance conduit, normal temperature pure water is after described second refrigerating plant refrigeration, ultrasonic-wave water-atomization is produced through described ultrasonic water mist generator, and enter described water smoke conveyance conduit, described water smoke conveyance conduit offers water-mist outlet, and testee is positioned at just to described water-mist outlet place.
Described ultrasonic wave refrigerating humidifying device also comprises: the 3rd refrigerating plant, and described 3rd refrigerating plant freezes to ultrasonic-wave water-atomization indirectly further across described water smoke conveyance conduit after being located at and being positioned at described ultrasonic water mist generator.
Described ultrasonic wave refrigerating humidifying device also comprises: pressue device, and described pressue device is located on described water smoke conveyance conduit and is pressurizeed to ultrasonic-wave water-atomization.
Some subtubes that described water smoke conveyance conduit also comprises main pipeline and is communicated with described main pipeline, described subtube is in being laid on described main pipeline side by side, and flow sensor and magnetic valve is provided with on each described subtube, and described flow sensor and magnetic valve are all connected with controller, described controller detects the flow information of the ultrasonic-wave water-atomization on described subtube by described flow sensor, and is controlled the ultrasonic-wave water-atomization uninterrupted on described subtube by described magnetic valve.
Described main pipeline is firm metal material, described main pipeline is connected with for hanging testee, horizontally disposed crossbeam, and described subtube is also for being horizontally disposed with and being provided with described water-mist outlet, just to described water-mist outlet when testee hang on described crossbeam.
Described main pipeline is also provided with relief valve.
Described air-out passage is formed for being defined by inwall on perforate sheet material and described internal box, and described return air channel is formed for being defined by inwall under described perforate sheet material and described internal box.
Described crossbeam is also provided with clamping device, and testee is held on described clamping device.
Be provided with the first track bottom described internal box, the lower end of described main pipeline be fixedly connected with described first track with the use of slide block, described main pipeline advances by described slide block or releases described internal box.
Described high-and-low temperature humid heat test box also includes a matching board, roller is provided with bottom described matching board, described matching board is placed on the ground in chamber front, with inwall level under described internal box, also be provided with can with the second track of described first orbital docking, described main pipeline can enter or release described internal box from described matching board.
The present invention has following beneficial effect:
1, for the testee that caloric value is larger, when carrying out testing under wide region temperature, damp condition, when especially testing under high humidity environment, effectively can absorb the heat that testee sends, guarantee effectively to be controlled by heater the temperature of internal box inside.
2, greatly reduce volume and the requirement of the hardware configuration such as refrigeration unit, heater of chamber, effectively control equipment cost and equipment volume, in order to avoid cause the waste in the energy, place.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of high-and-low temperature humid heat test box of the present invention.
Fig. 2 is the explosive view of high-and-low temperature humid heat test box as shown in Figure 1.
Fig. 3 is the internal box of high-and-low temperature humid heat test box as shown in Figure 1 and the cross-sectional view of side box body.
Fig. 4 is the schematic diagram of the passage between side box body and internal box.
Fig. 5 is the schematic diagram of perforate sheet material.
Detailed description of the invention
With reference now to accompanying drawing 1, describe embodiments of the invention, element numbers identical in accompanying drawing represents similar element.As mentioned above, as Figure 1-5, high-and-low temperature humid heat test box 100 disclosed in the embodiment of the present invention, described chamber comprises: support 1, outer case 2, internal box 3, side box body 4, chamber door 5 and treating apparatus 7, it is inner that described internal box 3 is nested in described outer case 2, described treating apparatus 7 is located in described side box body 4, described side box body 4 is attached to described outer case 2 side, heat-insulation layer 6 is provided with between described outer case 2 and described internal box 3, and described side box body 4, passage is provided with between outer case 2 and internal box 3, this passage as shown in Figure 4, be located on described internal box 3 and the relative sidewall of side box body 4, and realize being communicated with between described internal box 3 with described side box body 4 in the perforate of upper and lower two ends, described chamber door 5 is connected in described outer case 2 and also can seals described internal box 3, air-out passage 31 and return air channel 32 are installed in described internal box 3, and form trial zone 33 between described air-out passage 31 and return air channel 32, described treating apparatus 7 comprises: heater 71, first refrigerating plant 72, make gas at described air-out passage, trial zone and return air channel carry out the blower fan 73 circulated, described blower fan 73 coordinates described heater 71 or the first refrigerating plant 72 to produce thermal current or cold airflow, also comprise ultrasonic wave refrigerating humidifying device 8, described ultrasonic wave refrigerating humidifying device 8 comprises: the second refrigerating plant 81, ultrasonic water mist generator 82 and water smoke conveyance conduit 83, normal temperature pure water is after described second refrigerating plant 81 freezes, ultrasonic-wave water-atomization is produced through described ultrasonic water mist generator 82, and enter described water smoke conveyance conduit 83, described water smoke conveyance conduit 83 offers water-mist outlet, and testee 50 is positioned at just to described water-mist outlet place.For high-and-low temperature humid heat test box 100 of the present invention, testee 50 is generally need to test its service behaviour under hot and humid condition, such as common ageing-resistant performance parameter, when testee 50 caloric value is larger, by larger for the temperature made in described internal box 3, now increase/reduce the heating power of described heater 71, seriously will weaken and even lose the intensification in described internal box 3 or cooling effect; Similarly, when testee 50 caloric value is larger, the test casing of existing dimensions, increases/reduces the refrigeration work consumption of described first refrigerating plant 72, also seriously can weaken the refrigeration even lost in described internal box 3.Described ultrasonic wave refrigerating humidifying device 8 can produce the ultrasonic-wave water-atomization of low, the high humidity of temperature, can provide the humidity environment of test on the one hand, can also absorb on the one hand in addition to the heat that testee 50 sends for described internal box 3.If do not fall the heat absorption that testee 50 produces, then the heat load produced in described internal box 3 is too large, and makes described heater 71 lose temperature control action to described internal box 3.Described ultrasonic wave refrigerating humidifying device 8 also comprises: the 3rd refrigerating plant (figure does not show), described 3rd refrigerating plant freezes to ultrasonic-wave water-atomization indirectly further across described water smoke conveyance conduit 83 after being located at and being positioned at described ultrasonic water mist generator 82.Described ultrasonic wave refrigerating humidifying device also comprises: pressue device 84, and described pressue device 84 is located on described water smoke conveyance conduit 83 and is pressurizeed to ultrasonic-wave water-atomization.
Four subtubes 832 that described water smoke conveyance conduit 83 also comprises main pipeline 831 and is communicated with described main pipeline 831, the quantity of subtube 832 designs according to the quantity of the spatial volume in described internal box 3 and actual testee 50, can increase according to actual conditions or reduce, described subtube 832 is in being laid on described main pipeline 831 side by side, and flow sensor 833 and magnetic valve 834 is provided with on each described subtube 832, and described flow sensor 833 and magnetic valve 834 are all connected with controller (figure does not show), described controller detects the flow information of the ultrasonic-wave water-atomization on described subtube 832 by described flow sensor 833, and by described magnetic valve 834, the ultrasonic-wave water-atomization uninterrupted on described subtube 832 is controlled.The temperature sensor be connected with described controller also must be provided with in described internal box 3, for detecting the temperature in described internal box 3 at any time, described magnetic valve 834 has to be increased/reduces/be closed in the function of the ultrasonic-wave water-atomization uninterrupted on described subtube 832, described magnetic valve 834 coordinates described second refrigerating plant 81 can control ultrasonic-wave water-atomization flow and temperature, if through the ultrasonic-wave water-atomization temperature still inadequate low temperature of described ultrasonic water mist generator 82, described 3rd refrigerating plant can be started and freezes further to it.By arranging described 3rd refrigerating plant, the job requirement of chamber when the testee 50 that test caloric value is especially big can be met.
In addition, described internal box 3 installs humidity sensor, and it is connected with described controller, controls in real time the humidity environment in described internal box 3, by increasing/reducing the power of described ultrasonic wave refrigerating humidifying device 8, and then the humidity size increasing or reduce in described internal box 3.
Described main pipeline 831 is firm metal material, and it is hollow structure, the inner circulation passage forming ultrasonic-wave water-atomization, described main pipeline 831 is connected with for hanging testee 50, horizontally disposed crossbeam 835, and described subtube 832 is also for being horizontally disposed with and being provided with described water-mist outlet, just to described water-mist outlet when testee 50 hang on described crossbeam 835.Conveniently dismounting, described crossbeam 835 is by being screwed on described main pipeline 831.
Described main pipeline 831 is also provided with relief valve.
Because described ultrasonic water mist generator 82 produces ultrasonic-wave water-atomization, water smoke can provide the humidity environment of test on the one hand, the heat that testee 50 produces can also be lowered the temperature in addition, continue to produce water smoke and then can make discharge reduction in described conveyance conduit 83, must guarantee that the water yield is in the scope be applicable to, or a pipeline that outside can be become to add water should be designed, guarantee that test can continue to carry out.
Described air-out passage 31 is defined by inwall on perforate sheet material 9 as shown in Figure 5 and described internal box 3 to form, and described return air channel 32 is formed for being defined by described perforate sheet material 9 and described internal box 3 times inwalls.
Described crossbeam 835 is also provided with clamping device (figure does not show), testee 50 is held on described clamping device.
Be provided with the first track 34 bottom described internal box 3, the lower end of described main pipeline 831 be fixedly connected with described first track with the use of slide block 35, described main pipeline 831 advances or releases described internal box 3 by described slide block 35.
Described high-and-low temperature humid heat test box 100 also includes a matching board (figure does not show), roller is provided with bottom described matching board, described matching board is placed on the ground in chamber front, with described internal box 3 times inwall levels, also be provided with second track (figure does not show) that can dock with described first track 34, described main pipeline 831 can enter or release described internal box 3 from described matching board.By described matching board, can be easy to low testee 50 loading or unloading to be got off,
Composition graphs 1-5, operationally, described controller control blower fan 73 operates high-and-low temperature humid heat test box of the present invention on the one hand, and blower fan 73 driving gas forms circulating current between described air-out passage 31, return air channel 32 and trial zone 33.Gas in described side box body 4 is toward the lateral movement of described air-out passage 31 1, cause the malleation of the air outlet side of described blower fan 73 in described side box body 4 and the negative pressure of air inlet side thus, under the acting in conjunction of described blower fan 73 air outlet side malleation and air inlet side negative pressure, in described internal box 3, gas flows into described side box body 4 through described return air channel 32, described internal box 3 is flowed into again inner by described air-out passage 31, and be provided with described treating apparatus 7 in described side box body 4, described treating apparatus 7 comprises described heater 71 and the first refrigerating plant 72, can control the temperature of air-flow, generally, what described heater 71 and described first refrigerating plant 72 can realize carries out control effects to temperature is limited, the test request of the larger testee of caloric value 50 under hot and humid condition can't be met, unless that chamber is done is enough large, and control the quantity of testee 50, guarantee enough heat-dissipating spaces, it is enough large that described internal box 3 does by needs, so just need higher cost, the heat absorption that but if testee 50 can be sent, then can test in the chamber of existing size, and need not the volume of lifting test case, therefore, add described ultrasonic wave refrigerating humidifying device 8, it comprises: the second refrigerating plant 81, ultrasonic water mist generator 82 and water smoke conveyance conduit 83, it not only can be provided for for described internal box 3 inside the low-temperature receiver absorbing testee 50 evolution of heat, and test humidity environment can be provided, kill two birds with one stone, and the ultrasonic-wave water-atomization that described ultrasonic water mist generator 82 produces can also be freezed further by described 3rd refrigerating plant, the test request of more wide region can be met.
The present invention has following beneficial effect:
1, for the testee 50 that caloric value is larger, when carrying out testing under wide region temperature, damp condition, when especially testing under high humidity environment, effectively can absorb the heat that testee 50 sends, guarantee effectively to be controlled by heater the temperature of internal box inside.
2, greatly reduce volume and the requirement of the hardware configuration such as refrigeration unit, heater of chamber, effectively control equipment cost and equipment volume, in order to avoid cause the waste in the energy, place.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (10)
1. a high-and-low temperature humid heat test box, described chamber comprises: support, outer case, internal box, side box body, chamber door and treating apparatus, it is inner that described internal box is nested in described outer case, described treating apparatus is located in described side box body, described side box body is attached to described outer case side, heat-insulation layer is provided with between described outer case and described internal box, and described side box body, passage is provided with between outer case and internal box, described chamber door is connected in described outer case and also can seals described internal box, air-out passage and return air channel are installed in described internal box, and form trial zone between described air-out passage and return air channel, described treating apparatus comprises: heater, first refrigerating plant, make gas at described air-out passage, trial zone and return air channel carry out the blower fan circulated, described blower fan coordinates described heater or the first refrigerating plant to produce thermal current or cold airflow, it is characterized in that: also comprise ultrasonic wave refrigerating humidifying device, described ultrasonic wave refrigerating humidifying device comprises: the second refrigerating plant, ultrasonic water mist generator and water smoke conveyance conduit, normal temperature pure water is after described second refrigerating plant refrigeration, ultrasonic-wave water-atomization is produced through described ultrasonic water mist generator, and enter described water smoke conveyance conduit, described water smoke conveyance conduit offers water-mist outlet, and testee is positioned at just to described water-mist outlet place.
2. high-and-low temperature humid heat test box as claimed in claim 1, it is characterized in that: described ultrasonic wave refrigerating humidifying device also comprises: the 3rd refrigerating plant, described 3rd refrigerating plant freezes to ultrasonic-wave water-atomization indirectly further across described water smoke conveyance conduit after being located at and being positioned at described ultrasonic water mist generator.
3. high-and-low temperature humid heat test box as claimed in claim 1 or 2, it is characterized in that: described ultrasonic wave refrigerating humidifying device also comprises: pressue device, described pressue device is located on described water smoke conveyance conduit and is pressurizeed to ultrasonic-wave water-atomization.
4. high-and-low temperature humid heat test box as claimed in claim 3, it is characterized in that: some subtubes that described water smoke conveyance conduit also comprises main pipeline and is communicated with described main pipeline, described subtube is in being laid on described main pipeline side by side, and flow sensor and magnetic valve is provided with on each described subtube, and described flow sensor and magnetic valve are all connected with controller, described controller detects the flow information of the ultrasonic-wave water-atomization on described subtube by described flow sensor, and by described magnetic valve, the ultrasonic-wave water-atomization uninterrupted on described subtube is controlled.
5. high-and-low temperature humid heat test box as claimed in claim 4, it is characterized in that: described main pipeline is firm metal material, described main pipeline is connected with for hanging testee, horizontally disposed crossbeam, and described subtube is also for being horizontally disposed with and being provided with described water-mist outlet, just to described water-mist outlet when testee hang on described crossbeam.
6. high-and-low temperature humid heat test box as claimed in claim 5, is characterized in that: described main pipeline is also provided with relief valve.
7. high-and-low temperature humid heat test box as claimed in claim 6, it is characterized in that: described air-out passage is formed for being defined by inwall on perforate sheet material and described internal box, and described return air channel is formed for being defined by inwall under described perforate sheet material and described internal box.
8. high-and-low temperature humid heat test box as claimed in claim 7, it is characterized in that: described crossbeam is also provided with clamping device, testee is held on described clamping device.
9. high-and-low temperature humid heat test box as claimed in claim 8, it is characterized in that: bottom described internal box, be provided with the first track, the lower end of described main pipeline be fixedly connected with described first track with the use of slide block, described main pipeline advances by described slide block or releases described internal box.
10. high-and-low temperature humid heat test box as claimed in claim 9, it is characterized in that: described high-and-low temperature humid heat test box also includes a matching board, roller is provided with bottom described matching board, described matching board is placed on the ground in chamber front, with inwall level under described internal box, also be provided with can with the second track of described first orbital docking, described main pipeline can enter or release described internal box from described matching board.
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| CN201410708413.5A CN104525279B (en) | 2014-11-27 | 2014-11-27 | High-and-low temperature humid heat test box |
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| CN201410708413.5A CN104525279B (en) | 2014-11-27 | 2014-11-27 | High-and-low temperature humid heat test box |
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| CN104525279A true CN104525279A (en) | 2015-04-22 |
| CN104525279B CN104525279B (en) | 2016-06-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107024422A (en) * | 2016-01-29 | 2017-08-08 | 立邦涂料（中国）有限公司 | A kind of moisture resistance properties test device of aqueous woodware paint |
| CN112023988A (en) * | 2020-09-07 | 2020-12-04 | 深圳比特微电子科技有限公司 | Constant temperature test box of electronic product |
| CN114963679A (en) * | 2021-12-31 | 2022-08-30 | 重庆阿泰可科技股份有限公司 | Temperature change equipment and temperature reduction method thereof |
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| CN114963679B (en) * | 2021-12-31 | 2024-05-10 | 重庆阿泰可科技股份有限公司 | Temperature change equipment and cooling method thereof |
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| CN104525279B (en) | 2016-06-22 |
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Address after: 518101 Guangdong, Shenzhen Province, Baoan District District, Wei Wei Industrial Park, building C, 70 Applicant after: CENTRE TESTING INTERNATIONAL GROUP CO., LTD. Address before: 518101 Guangdong, Shenzhen Province, Baoan District District, Wei Wei Industrial Park, building C, 70 Applicant before: Shenzhen Centre Testing Technology Co., Ltd. |
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Effective date of registration: 20180227 Address after: Sujiatun District of Shenyang City, Liaoning province 110101 cheirantic Street No. 68-E4 Patentee after: Shenyang Hua Test Technology Co., Ltd. Address before: 518101 Guangdong, Shenzhen Province, Baoan District District, Wei Wei Industrial Park, building C, 70 Patentee before: CENTRE TESTING INTERNATIONAL GROUP CO., LTD. |