CN101713695B - Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test - Google Patents
Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test Download PDFInfo
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- CN101713695B CN101713695B CN2009102208855A CN200910220885A CN101713695B CN 101713695 B CN101713695 B CN 101713695B CN 2009102208855 A CN2009102208855 A CN 2009102208855A CN 200910220885 A CN200910220885 A CN 200910220885A CN 101713695 B CN101713695 B CN 101713695B
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Abstract
The invention provides a rain showering and rain dropping strength adjusting device for a rain showering and rain dropping test, which comprises an auxiliary water tank, a controller and a lifting system of the auxiliary water tank, wherein the auxiliary water tank is communicated with a water storage tank for storing test water through a water delivery pipe and contains the test water delivered from the water storage tank, and the auxiliary water tank is respectively communicated with a rain showering water tank and a rain dropping water tank through water delivery pipes; the controller receives a preset rain showering strength value or a preset rain dropping strength value and converts the preset rain showering strength value or the preset rain dropping strength value into corresponding lifting control signals; and according to the lifting control signals output by the controller, the lifting system of the auxiliary water tank moves the auxiliary water tank in the vertical direction for a distance corresponding to the preset rain showering strength value, or moves the auxiliary water tank in the vertical direction for a distance corresponding to the preset rain dropping strength value.
Description
Technical field
The present invention relates to the environmental test field of equipment, relate in particular to a kind of the drenching with rain and drip raininess degree self-checking device of environmental test that is used to drench with rain and drips the rain unification.
Background technology
Drench with rain, drip the rain test and be external units such as check electric power, communication, military hardware and descend drenching with rain, drip a rain condition, its shell prevents the ability of rain penetration and when being drenched with rain or the important means of task performance afterwards and environmental suitability and environmental reliability.There is the salt fog test of wind regime to be suitable for outdoor use and do not have the equipment of rainproof measure, be suitable for rainproof measure is arranged but may be exposed to equipment under the upper surface condensate water or the condition of leaking and drip the rain test.
At present, drench with rain and drip the rain test in different environmental test equipments because the different need of experimental enviroment and test condition carry out.When carrying out salt fog test, its requirement has wind regime, and the intensity that requires to drench with rain is generally more than or equal to 10cm/h (10 centimetres/per hour).And when dripping the rain test, no wind regime requirement needs more than or equal to 280L/m and drip the raininess degree
2H (280 liters/every square metre per hour).Drench with rain and drip rain kind test and control respectively, the program complexity, expense height, and many places are in semi-automation, manual control, automaticity are lower.And, automatically regulate by testing requirements in test and drench with rain and to drip the raininess degree very difficult.
Existing drench with rain and drip the rain test unit generally adopt booster water pump to regulate to drench with rain and drip the raininess degree, be difficult to accurately control and adjusting and drench with rain and drip the raininess degree.
Summary of the invention
According to an aspect of the present invention, provide a kind of be used to drench with rain drip drenching with rain and dripping raininess degree regulating device of rain test, this device comprises: secondary water tank, be communicated with the water storage box that stores test water by water-supply-pipe, hold the test water of carrying, and described secondary water tank is communicated with drench with rain a water tank and a raintank respectively by water-supply-pipe from water storage box; Controller receives default intensity level or the default rain intensity level that drips of drenching with rain, and default intensity level or the default rain intensity level that drips of drenching with rain is converted to corresponding lifting control signal; Secondary water tank jacking system, lifting control signal according to controller output, secondary water tank in the vertical direction is moved and the default corresponding segment distance of the intensity level of drenching with rain, perhaps secondary water tank in the vertical direction is moved and a default corresponding segment distance of rain intensity level.
According to a further aspect in the invention, provide a kind of be used to drench with rain drip drenching with rain and dripping raininess degree regulating device of rain test, this device comprises: secondary water tank fixed part, be communicated with the water storage box that stores test water by water-supply-pipe, hold the test water of carrying, and described secondary water tank fixed part is communicated with drench with rain a water tank and a raintank respectively by water-supply-pipe from water storage box; Secondary water tank movable part is communicated with secondary water tank fixed part by water-supply-pipe, and described secondary water tank movable part has smaller volume with respect to secondary water tank fixed part; Controller receives default intensity level or the default rain intensity level that drips of drenching with rain, and default intensity level or the default rain intensity level that drips of drenching with rain is converted to corresponding lifting control signal; Secondary water tank jacking system, lifting control signal according to controller output, secondary water tank movable part in the vertical direction is moved and the default corresponding segment distance of the intensity level of drenching with rain, perhaps secondary water tank movable part in the vertical direction is moved and a default corresponding segment distance of rain intensity level.
Description of drawings
In conjunction with the drawings, from the description of the following examples, the present invention these and/or others and advantage will become clear, and are easier to understand, wherein:
Fig. 1 illustrates being used to drench with rain and dripping drenching with rain and dripping the structural drawing of raininess degree regulating device of rain test according to the embodiment of the invention;
Fig. 2 shows the preferred structure according to the secondary water tank of the embodiment of the invention;
Fig. 3 shows drenching with rain and drip the operation circuit figure of raininess degree regulating device according to the embodiment of the invention.
Embodiment
Below, describe embodiments of the invention in detail with reference to accompanying drawing.
Fig. 1 illustrates being used to drench with rain and dripping drenching with rain and dripping the structural drawing of raininess degree regulating device of rain test according to the embodiment of the invention.
With reference to Fig. 1, this is drenched with rain and drips raininess degree regulating device and can comprise controller 1, output interface 2, secondary water tank jacking system 3, secondary water tank 4.Controller 1 can be the controller of PLC Programmable Logic Controller or other type, the invention is not restricted to this.Controller 1 can be by output interface 2 and other components communicate.In addition, controller 1 add join ethernet module after the available standards ICP/IP protocol communicate by letter with the Windows host computer.
A water tank 5 and the raintank 6 of drenching with rain produces raindrop by raindrop generator separately, and the raindrop that the raindrop generator of the water tank 5 of drenching with rain produces are blown by the air-flow that the main air blower (not shown) produces, and are dropped in obliquely on the test specimen, so that test specimen is carried out salt fog test.The raindrop that drip the raindrop generator generation of raintank 6 directly are dropped on the test specimen, test specimen is dripped the rain test.
As mentioned above, when carrying out salt fog test, require to have wind regime, and the intensity that requires to drench with rain is more than or equal to 10cm/h (10 centimetres/per hour).When dripping the rain test, no wind regime requirement, and its raininess degree needs more than or equal to 280L/m
2H (280 liters/every square metre per hour) therefore, need regulate automatically and accurately according to testing requirements and drench with rain intensity and drip the raininess degree.
This is drenched with rain and drips raininess degree regulating device and also can comprise touch-screen 10, and the user can select to carry out salt fog test by touch-screen 10 and still drip the rain test, and default drench with rain an intensity or the default raininess degree of input.
To drench with rain intensity and to drip a raininess degree in order to regulate automatically and accurately, controller 1 receives user's input the default intensity level or drip the rain intensity level of drenching with rain is converted to corresponding lifting control signal with default intensity level or the default rain intensity level that drips of drenching with rain.The amplitude of for example, lifting control signal can be corresponding with default intensity level or the default rain intensity level that drips of drenching with rain.Again for example, the lifting control signal can be binary number, and its big I is corresponding with default intensity level or the default rain intensity level that drips of drenching with rain.
Secondary water tank jacking system 3 is according to this lifting control signal, secondary water tank 4 in the vertical directions are moved (rise or descend) and the corresponding segment distance of presetting of the intensity level of drenching with rain, perhaps secondary water tank 4 in the vertical directions are moved (rise or descend) and a default corresponding segment distance of rain intensity level.
Can be by limited number of time test determine to drench with rain intensity level or drip corresponding relation between the displacement of rain intensity level, lifting control signal, secondary water tank 4.
Secondary water tank jacking system 3 can be realized that lifting motor rises/step-down operation to secondary water tank 4 by just changeing/reversing by lifting motor.Should be appreciated that, the invention is not restricted to this, secondary water tank jacking system 3 also can be realized according to other form.
In secondary water tank 4, electric float can be installed, to control the peak level of the test water in the secondary water tank 4.Though the peak level of the test water of secondary water tank 4 is fixed with respect to secondary water tank 4, but when 3 pairs of secondary water tanks 4 of secondary water tank jacking system rise or during step-down operation, water tank 5 is drenched with rain in inflow or the water yield of dripping in the raintank 6 will change with the variation of the height of secondary water tank 4, thereby cause drenching with rain water tank 5 or drip the change of hydraulic pressure in the raintank 6, regulate the water flow of the raindrop generator of drench with rain a water tank 5 or a raintank 6 thus, an intensity and a raininess degree Pass Test requirement guarantee to drench with rain.
Fig. 2 shows the preferred structure according to the secondary water tank of the embodiment of the invention.
For the load and the raising operational efficiency that reduce secondary water tank jacking system 3, as shown in Figure 2, secondary water tank 4 can be further divided into secondary water tank fixed part 41 and secondary water tank movable part 42.Secondary water tank fixed part 41 is communicated with water storage box 8 by water-supply-pipe, and secondary water tank movable part 42 is communicated with secondary water tank fixed part 41 by water-supply-pipe, and secondary water tank movable part 42 has smaller volume with respect to secondary water tank fixed part 41.
In secondary water tank fixed part 41 and secondary water tank movable part 42, all electric float can be installed, to control the peak level of the test water in secondary water tank fixed part 41 and the secondary water tank movable part 42.
Fig. 3 shows drenching with rain and drip the operation circuit figure of raininess degree regulating device according to the embodiment of the invention.
With reference to Fig. 3, the first relay coil KA6 is connected with the second relay contact KA7 ', and the second relay coil KA7 is connected with the first relay contact KA6 ', and the first relay contact KA6 ' and the second relay contact KA7 ' can be in normally off.Controller 1 can apply voltage to the first relay coil KA6 and the second relay coil KA7 respectively.When being applied with voltage on the first relay coil KA6, make " secondary water tank liter " operation circuit connect, and first relay coil KA6 generation magnetic force, cause first relay contact KA6 ' disconnection, make " secondary water tank falls " operation circuit disconnect; On the other hand, when being applied with voltage on the second relay coil KA7, make " secondary water tank falls " operation circuit connect, and the second relay coil KA7 produce magnetic force, cause second relay contact KA7 ' disconnection, make " secondary water tank liter " operation circuit disconnect.Like this, can guarantee to have only at one time an operation circuit to connect, control 3 pairs of secondary water tanks 4 of secondary water tank jacking system (or secondary water tank movable part 42) and rise or step-down operation.
In addition, described two operation circuits also comprise upper limit position switch QA5 and lower position switch QA6, are connected respectively to secondary water tank jacking system 3, are used to control the rising extreme position and the falling-threshold position of secondary water tank 4 (or secondary water tank movable part 42).Particularly, when secondary water tank 4 (or secondary water tank movable part 42) when rising to extreme position, upper limit position switch QA5 disconnects, and makes secondary water tank jacking system 3 shut-down operations.Equally, when secondary water tank 4 (or secondary water tank movable part 42) when dropping to extreme position, lower position switch QA6 disconnects, and makes secondary water tank jacking system 3 shut-down operations.In this way, can prevent that secondary water tank 4 (or secondary water tank movable part 42) from surpassing travel limits and be damaged.
In addition, drench with rain and drip raininess degree regulating device and also can comprise the reductor (not shown), be connected to secondary water tank 4 or secondary water tank movable part 42, be used for the rising or falling speed of secondary water tank 4 or secondary water tank movable part 42 is controlled, prevent secondary water tank 4 or secondary water tank movable part 42 excessive velocities and cause parts damages.
Therefore, the advantage of drenching with rain and dripping raininess degree regulating device according to the present invention is: 1, can regulate respectively and drench with rain and drip the raininess degree drenching with rain and dripping the rain test in same device; 2, can carry out automatic conversion and control; 3, adopt relay, solenoid valve accurately to control; 4, manual control, automaticity are higher.
Though the present invention is specifically described with reference to its exemplary embodiment and is shown, but will be understood by those skilled in the art that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out the various changes of form and details to it.
Claims (5)
1. one kind is used to drench with rain and drips drenching with rain and dripping raininess degree regulating device of rain test, comprising:
Secondary water tank fixed part is communicated with the water storage box that stores test water by water-supply-pipe, holds the test water of carrying from water storage box, and described secondary water tank fixed part is communicated with drench with rain a water tank and a raintank respectively by water-supply-pipe;
Secondary water tank movable part is communicated with secondary water tank fixed part by water-supply-pipe, and described secondary water tank movable part has smaller volume with respect to secondary water tank fixed part;
Controller receives default intensity level or the default rain intensity level that drips of drenching with rain, and default intensity level or the default rain intensity level that drips of drenching with rain is converted to corresponding lifting control signal;
Secondary water tank jacking system, lifting control signal according to controller output, secondary water tank movable part in the vertical direction is moved and the default corresponding segment distance of the intensity level of drenching with rain, perhaps secondary water tank movable part in the vertical direction is moved and a default corresponding segment distance of rain intensity level.
2. according to claim 1ly drench with rain and drip raininess degree regulating device, wherein, water tank is provided with switch with the water-supply-pipe that a raintank is connected with drenching with rain, described switch switches according to the control of controller, makes at only drench with rain water tank and drip in the raintank one and be communicated with secondary water tank of synchronization.
3. according to claim 2ly drench with rain and drip raininess degree regulating device, also comprise: reductor, be connected to secondary water tank movable part, be used for the rising or falling speed of secondary water tank movable part is controlled.
4. according to claim 3ly drench with rain and drip raininess degree regulating device, wherein, in secondary water tank fixed part and the secondary water tank movable part electric float is installed all, be used for controlling the peak level of the test water of secondary water tank fixed part and secondary water tank movable part.
5. according to claim 4ly drench with rain and drip raininess degree regulating device, also comprise:
Upper limit position switch is connected to secondary water tank jacking system, controls the rising extreme position of secondary water tank movable part;
Lower position switch is connected to secondary water tank jacking system, controls the falling-threshold position of secondary water tank movable part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102208855A CN101713695B (en) | 2009-11-16 | 2009-11-16 | Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102208855A CN101713695B (en) | 2009-11-16 | 2009-11-16 | Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101713695A CN101713695A (en) | 2010-05-26 |
| CN101713695B true CN101713695B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102208855A Expired - Fee Related CN101713695B (en) | 2009-11-16 | 2009-11-16 | Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589814A (en) * | 2012-03-07 | 2012-07-18 | 天津东正测控技术发展有限公司 | Water pouring test equipment for door and window of outer eave of building |
| CN104155230B (en) * | 2014-08-20 | 2016-09-14 | 太仓荣南密封件科技有限公司 | A kind of weather strip for automobile rain test equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1340662A1 (en) * | 1986-01-02 | 1987-09-30 | Днепропетровский завод шахтной автоматики | Rain simulation plant |
| CN2716830Y (en) * | 2004-03-17 | 2005-08-10 | 中国人民解放军空军装备研究院航空装备研究所 | Comprehensive environment / load test apparatus |
| CN101089586A (en) * | 2007-07-14 | 2007-12-19 | 常州纺织服装职业技术学院 | Test centre for performance of vehicle wind screen wiper assembly |
| CN101430234A (en) * | 2008-12-16 | 2009-05-13 | 奇瑞汽车股份有限公司 | Vehicle integral sealing property detection system and its rainwater spray test method |
-
2009
- 2009-11-16 CN CN2009102208855A patent/CN101713695B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1340662A1 (en) * | 1986-01-02 | 1987-09-30 | Днепропетровский завод шахтной автоматики | Rain simulation plant |
| CN2716830Y (en) * | 2004-03-17 | 2005-08-10 | 中国人民解放军空军装备研究院航空装备研究所 | Comprehensive environment / load test apparatus |
| CN101089586A (en) * | 2007-07-14 | 2007-12-19 | 常州纺织服装职业技术学院 | Test centre for performance of vehicle wind screen wiper assembly |
| CN101430234A (en) * | 2008-12-16 | 2009-05-13 | 奇瑞汽车股份有限公司 | Vehicle integral sealing property detection system and its rainwater spray test method |
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| CN101713695A (en) | 2010-05-26 |
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