CN202410902U - Novel controllable fogging device - Google Patents
Novel controllable fogging device Download PDFInfo
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- CN202410902U CN202410902U CN2011203764184U CN201120376418U CN202410902U CN 202410902 U CN202410902 U CN 202410902U CN 2011203764184 U CN2011203764184 U CN 2011203764184U CN 201120376418 U CN201120376418 U CN 201120376418U CN 202410902 U CN202410902 U CN 202410902U
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Abstract
The utility model discloses a controllable fogging device which comprises a liquid storage barrel, a heating element and a fan. The fan adopts a variable frequency fan and is connected with an electric control device, and the electric control device is connected with a flow sensor arranged at a fog outlet. During the operation, the electric control device receives signals sent by the flow sensor, adjusts the rotation speed of the fan, and ensures that the fog outlet volume is stabilized within a required scope by experiments, so as to achieve the effect of intelligent control. The adjustable speed scope of the variable frequency fan of the controllable fogging device is larger than that of a fan of a common fogging device, and can satisfy experiments of vehicles in different models. The fogging device also comprises a liquid level control device and a heating element controller connected with the liquid level control device; the liquid level control device comprises a liquid level sensor and a control system; the heating element controller is connected with the heating element; and when the water level of the liquid storage barrel is too low, the liquid level sensor sends signals to the control system, and the control system sends commands to ensure that the power of a heating device is off. Therefore, the hidden danger of dry heating is effectively solved.
Description
Technical field
The utility model relates to a kind of steam generating device, relates in particular to a kind of controllable type fog emitter that is applicable to automobile air window glass demister system performance test.
Background technology
In automobile air window glass demister system performance test, fog emitter is an imperative equipment.Stipulated function and the parameter of test in automobile air window glass demister system performance requirement and the test method with fog emitter; As follows: require under-3 ± 1 ℃ environment temperature; The heat loss of boiling point is no more than 75W; Blower fan reaches 0.07-0.10m3/min fog discharge amount when the 50Pa static pressure, fog outlet is the venthole of 6.3 millimeters of 6 diameters.The vapor volume of fog emitter output is that n * (70 ± 5g/h), n is the automotive seats figure place.The fog emitter that is mentioned in the performance requirement of GB11556-94 automobile air window glass demister system and the test method is as shown in Figure 2, and kind equipment is for this reason tested all in the vehicle demist in the prior art.It has comprised liquid storing barrel 6, and heating element heater 9 places in the bucket, and an other end links to each other with power supply; Fog conveying tube 5 is fixedly mounted on the liquid storing barrel end cap 13; The latter half stretches in the bucket, and the first half that has nozzle 15 stretches in the diffuser casing 3, and the bottom of diffuser casing 3 is provided with 6 fog holes 14 that are uniformly distributed with; Diffuser casing top is equipped with blower fan 2, and blower fan 2 air outlets down and stretch in the diffuser casing.During work; Water 8 in the heating element heater 9 energising heating liquid storing barrels 6; The steam that produces fills the air diffusion by nozzle 15 to diffuser casing 3 through fog conveying tube 5, and the effect that the fog in the diffuser casing receives from the top fan pressure is outwards sprayed by fog hole 14, thereby reaches the purpose of sending out mist.In process of the test, because a variety of causes may cause the size of fog-supplying amount not meet the test demand, in the prior art,, this situation can not effectively adjust and control when occurring, thus the accuracy of influence test.Because the adjustable range of speeds of air blast of test usefulness is less, to the seating capacity difference of different model vehicle and the difference of steam demand, the blower fan that needs to change different model to be satisfying the demand of test, thereby reduced the efficient of test.When the water level in the liquid storing barrel is lower than the heating element heater heating bar, if this moment deenergization not also, then can produce the dry combustion method phenomenon, cause heating element heater and whole mist device to be damaged.Existing fog emitter can't be controlled fog-supplying amount in use effectively, but also has the potential safety hazard of dry combustion method.
The utility model content
Can't control the problem of fog-supplying amount effectively to fog emitter in the prior art, the utility model provides a kind of can carry out the fog emitter of Based Intelligent Control to sending out the mist amount.
In order to solve the technical problem of above-mentioned existence; The utility model adopts following technical proposals: a kind of fog emitter; Comprise liquid storing barrel, heating element heater, blower fan; Said blower fan is a frequency conversion fan, and said frequency conversion fan is electrically connected with electric control gear, and said electric control gear is electrically connected with the flow sensor that is located at the fog hole place.During work, the steam that produces in the liquid storing barrel fills the air diffusion by nozzle to diffuser casing through fog conveying tube, and the fog in the diffuser casing receives from top fan pressure effect and outwards being sprayed by fog hole, sends out the mist purpose thereby reach.The fog of automobile air window glass is relevant with passenger's quantity, and the occupant is many more, and it is also many more to breathe the fog that produces, so the vapor volume of regulation fog emitter output is that n * (70 ± 5g/h), n is the automotive seats figure place in the automobile air window glass demister system performance test.According to the seating capacity of general test vehicle, the wind speed in conjunction with fog emitter fog hole size and number and blower fan can draw the scope that fog emitter is wanted fog-supplying amount, 0.07-0.10m3/min fog-supplying amount scope described in test.If in the test, when fog-supplying amount reaches A m3/min, can satisfy the requirement of the vapor volume of fog emitter output; And when the fog-supplying amount of fog emitter less than or greater than A m3/min, fog-supplying amount is too small or cross big city the accuracy of test is had considerable influence, can not satisfy the demand of vehicle demist test; This moment, the flow sensor at fog hole place detected fog-supplying amount less than sensor input value A m3/min, sent signal to the PLC of electric control gear system immediately, and system receives signal and sends instruction to the controller of frequency conversion fan; Increase or reduce the rotating speed of frequency conversion fan; The principle that is directly proportional with flow velocity according to discharge capacity, thus correspondingly strengthen or reduce fog-supplying amount, make it satisfy the required numerical value A m3/min of test; Thereby realize carrying out Based Intelligent Control to sending out the mist amount, guarantee test carries out smoothly and accurately.When the vehicle seat figure place of test was less, steam demand was also less, if will carry out the vehicle test at more seat; Then should strengthen the fog-supplying amount of fog emitter; And the range of speeds that the used air blast of common fog emitter can be adjusted often can not reach the demand of test vapor volume, and the frequency conversion fan that the utility model adopts is compared with the used air blast of common fog emitter, and frequency conversion fan adjustable speed scope is bigger; So the scope of the output vapor volume that it can be controlled is also big more; Thereby satisfy the test demand of a plurality of seats vehicle, need not change more powerful blower fan, operate more simple and convenient.
As preferably; Said fog emitter also comprises fluid level control device and heating elements controller; Said fluid level control device comprises liquid level sensor and control system; Said heating elements controller links to each other with the control system with heating element heater respectively, and said liquid level sensor is met the height that liquid level vertical position height is not less than heating element heater.After fog emitter work a period of time, when the water level in the liquid storing barrel is lower than heating element heater,, then can produce the dry combustion method phenomenon, thereby destroy heating element heater and whole device if this moment, heating element heater also worked on.Because the fog emitter working environment is in the car, the staff outside car is not easy to observe, so just the dry combustion method phenomenon possibly take place; Fluid level control device is installed on fog emitter just can have been solved this problem effectively with heating elements controller, when water level in the liquid storing barrel was lower than liquid level sensor and meets liquid level, heating element heater was also under water fully at this moment; Liquid level sensor detects information automatically; System sends signal to control, and the control system receives signal and sends instruction, makes the heating elements controller outage; Thereby effectively prevented the generation of dry combustion method phenomenon, played the effect of safeguard protection.
As preferably, said control system links to each other with electric control gear.Electric control gear can be controlled the operation of frequency conversion fan and stop.When water level in the liquid storing barrel is lower than liquid level sensor and meets liquid level; Liquid level sensor sends signal to the control system, and the control system receives signal, and sends instruction to heating elements controller and electric control gear simultaneously; Heating element heater and frequency conversion fan are cut off the power supply simultaneously; Prevent that the dry combustion method phenomenon from producing, the blower fan work of still switching in the time of so just avoiding heating element heater to stop to heat, but using electricity wisely.
As preferably, said flow sensor and fog hole are at a distance of 1 centimetre to 3 centimetres.Be the best position of flow sensor, it can accurately detect the flow of mist herein here, thereby guarantees the accuracy of frequency conversion fan wind speed adjustment.
The utility model fog emitter is compared with the fog emitter of prior art has following beneficial effect:
1. equipment can carry out Based Intelligent Control to fog-supplying amount in use, makes the demist test more accurate, and the frequency conversion fan speed adjustable range is wide, can satisfy the demist test demand of different model vehicle, and is more simple and convenient.
2. when water level in the liquid storing barrel was low, liquid level sensor played a role, and heater cuts off the power supply automatically, has prevented the appearance of dry combustion method phenomenon effectively, has guaranteed the safety of heating element heater and whole device.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is the structural representation of prior art fog emitter.
Among the figure, 1, electric control gear 2, blower fan 3, diffuser casing 4, flow sensor 5, fog conveying tube 6, liquid storing barrel 7, control system 8, water 9, heating element heater 10, liquid level sensor meet liquid level 11, liquid level sensor 12, heating elements controller 13, liquid storing barrel end cap 14, fog hole 15, nozzle.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail.
As shown in Figure 1, this fog emitter comprises liquid storing barrel 6, and heating element heater 9 places in the bucket, and an other end and heating elements controller 12 link to each other through lead, electric control gear 1 respectively with frequency conversion fan 2 with link to each other through lead apart from the flow sensor of 2 centimetres of fog holes 4.Liquid level sensor 11 and control system 7 have been installed in the outside of liquid storing barrel 6, and control system 7 links to each other through lead with heating elements controller 12 and electric control gear 1 respectively again.Having the liquid level sensor that detects the liquid level signal function meets liquid level 10 vertical position aspect ratio heating element heaters 9 and exceeds 2 centimetres.During fog emitter work, the water 8 in the heating element heater 9 energising heating liquid storing barrels 6, the steam of generation fills the air diffusion by top jet nozzle 15 to diffuser casing 3 through fog conveying tube 5; Frequency conversion fan 2 work this moment, the fog in the diffuser casing 3 is outwards sprayed by each fog hole 14 by the blast effect, and this test is 4 seat automobiles; Test determination the vapor volume of fog emitter output be that n * (70 ± 5g/h), n is the automotive seats figure place, and then required vapor volume is 280 ± 20g/h; Can satisfy the vapor volume demand when fog-supplying amount is 0.07 m3/min, this moment is less by the mist amount of fog hole 14 ejections, can not satisfy the demand of vapor volume; Flow sensor 4 detects the numerical value 0.07m3/min of fog-supplying amount less than input pickup, sends signal to the PLC of electric control gear 1 system immediately, and system receives signal and sends instruction to the controller of frequency conversion fan; Strengthen the rotating speed of frequency conversion fan, thereby strengthened fog-supplying amount, make it reach 0.07m3/min; In like manner, when fog-supplying amount was excessive, flow sensor also can detect information; The electric control gear that receives signal sends the instruction that reduces blower fan commentaries on classics degree; Make rotation speed of fan be reduced to 0.07m3/min, thereby realize carrying out Based Intelligent Control to sending out the mist amount, guarantee test carries out smoothly and accurately.If the vehicle seat figure place that will make an experiment is 8; Steam demand is 560 ± 40g/h, then should strengthen the fog-supplying amount of fog emitter, and the frequency conversion fan adjustable speed scope that the utility model adopted is big; So the scope of the output vapor volume that it can be controlled is also big more; Thereby the test steam demand that satisfies 8 seat vehicles through the rotating speed of adjusting blower fan is 560 ± 40g/h, need not change more powerful blower fan, operates more simple and convenient.After fog emitter work a period of time, the water level in the liquid storing barrel 6 is lower than liquid level sensor and meets liquid level 10, exceeds 2 centimetres than heating element heater 9; This moment, liquid level sensor 11 detected information automatically; Send signal to control system 7, control system 7 receives signal and sends instruction to heating elements controller 12 and electric control gear 1, makes heating element heater 9 and frequency conversion fan 2 outages; Thereby effectively prevented the generation of dry combustion method phenomenon, played the effect of safeguard protection.
Claims (4)
1. controllable type fog emitter; Comprise liquid storing barrel (6), heating element heater (9), blower fan (2); It is characterized in that: said blower fan (2) is a frequency conversion fan; Said frequency conversion fan is electrically connected with electric control gear (1), said electric control gear (1) be located at the flow sensor (4) that fog hole (14) locates and be electrically connected.
2. controllable type fog emitter according to claim 1; It is characterized in that: said controllable type fog emitter also comprises fluid level control device and heating elements controller (12); Said fluid level control device comprises liquid level sensor (11) and control system (7); Said heating elements controller (12) is electrically connected with heating element heater (9) and control system (7) respectively, and said liquid level sensor is met the height that liquid level (10) vertical position height is not less than heating element heater (9).
3. controllable type fog emitter according to claim 2 is characterized in that: said control system (7) is electrically connected with electric control gear (1).
4. according to claim 1 or 2 or 3 described controllable type fog emitters, it is characterized in that: said flow sensor (4) and apart 1 centimetre to 3 centimetres of fog hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203764184U CN202410902U (en) | 2011-09-29 | 2011-09-29 | Novel controllable fogging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203764184U CN202410902U (en) | 2011-09-29 | 2011-09-29 | Novel controllable fogging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202410902U true CN202410902U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203764184U Expired - Fee Related CN202410902U (en) | 2011-09-29 | 2011-09-29 | Novel controllable fogging device |
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| CN (1) | CN202410902U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202510A (en) * | 2015-09-15 | 2015-12-30 | 奇瑞汽车股份有限公司 | System and method for quantitatively generating steam |
| CN107702081A (en) * | 2017-11-20 | 2018-02-16 | 广电计量检测（武汉）有限公司 | Steam generator and automobile window glass defrosting-defogging performance detecting system |
| CN108295492A (en) * | 2017-01-12 | 2018-07-20 | 北京长征天民高科技有限公司 | A kind of portable liquid nitrogen cloud and mist machine and its method for generating fog |
-
2011
- 2011-09-29 CN CN2011203764184U patent/CN202410902U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202510A (en) * | 2015-09-15 | 2015-12-30 | 奇瑞汽车股份有限公司 | System and method for quantitatively generating steam |
| CN105202510B (en) * | 2015-09-15 | 2018-01-05 | 奇瑞汽车股份有限公司 | A kind of system and method for quantitatively generating steam |
| CN108295492A (en) * | 2017-01-12 | 2018-07-20 | 北京长征天民高科技有限公司 | A kind of portable liquid nitrogen cloud and mist machine and its method for generating fog |
| CN107702081A (en) * | 2017-11-20 | 2018-02-16 | 广电计量检测（武汉）有限公司 | Steam generator and automobile window glass defrosting-defogging performance detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20130929 |