CN113771596A - VOCs gets rid of air circulation system in car - Google Patents
VOCs gets rid of air circulation system in car Download PDFInfo
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- CN113771596A CN113771596A CN202110997785.4A CN202110997785A CN113771596A CN 113771596 A CN113771596 A CN 113771596A CN 202110997785 A CN202110997785 A CN 202110997785A CN 113771596 A CN113771596 A CN 113771596A
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 244
- 238000001179 sorption measurement Methods 0.000 claims abstract description 294
- 238000003795 desorption Methods 0.000 claims abstract description 185
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 230000015556 catabolic process Effects 0.000 claims abstract description 4
- 230000003197 catalytic effect Effects 0.000 claims abstract description 4
- 238000006731 degradation reaction Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 32
- 238000000746 purification Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002156 adsorbate Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0658—Filter elements specially adapted for their arrangement in vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
- B60H3/0625—Filter arrangements in the air stream with provisions for by-passing the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H2003/0691—Adsorption filters, e.g. activated carbon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The application discloses an air circulation system for removing VOCs in an automobile, which relates to the technical field of automobile air circulation systems and comprises a VOCs adsorption device with VOCs gas adsorption catalytic degradation function and a power source for providing power for adsorption airflow and desorption airflow passing through the VOCs adsorption device; the air circulation system is provided with an adsorption pipe group which enables the gas in the cab to enter the VOCs adsorption device, the adsorption pipe group is also arranged between the VOCs adsorption device and the cab, and the gas adsorbed by the VOCs adsorption device flows back to the cab; the air circulation system is provided with a desorption pipe group which discharges outside air after the outside air passes through the VOCs adsorption device; the time-sharing of absorption nest of tubes and desorption nest of tubes is opened, and this application has the effect of VOCs material purification in to the driver's cabin air.
Description
Technical Field
The application relates to the technical field of air circulation systems in automobiles, in particular to an air circulation system for removing VOCs in an automobile.
Background
The VOCs substances are volatile organic substances, and a large amount of VOCs substances are volatilized from leather, fabric, plastic, viscose and other decorative materials in the automobile cab. When VOCs in air in a vehicle reaches a certain concentration, people can feel symptoms such as headache, nausea, vomit, hypodynamia and the like in a short time, and the VOCs belongs to substances harmful to human bodies.
The most typical vehicle-mounted air circulation system is an air conditioning system, which comprises an internal circulation part and an external circulation part, wherein the internal circulation part makes air in a vehicle flow and circulate through the air conditioning system, and regulates the temperature of the circulated air; the external circulation system enables outside air to enter the vehicle to circulate under the condition that the vehicle window is not opened, and is more suitable for being used in the environment where the vehicle window is not suitable to be opened or the high-speed running is performed.
At present, a filtering device contained in a vehicle-mounted air conditioning system mainly filters dust in air, and VOCs (volatile organic compounds) substances in a cab cannot be effectively adsorbed and filtered. If the environment outside the automobile has air pollution, when the automobile carries out extrinsic cycle, the external VOCs substances also enter the automobile, so the VOCs substances in the cab can not be effectively removed by window opening ventilation or gas exchange in the cab through extrinsic cycle.
Aiming at removing VOCs in a cab, the effective method is to remove VOCs by adsorption by using a special material with VOCs adsorption. How to effectively pass the air in the cab through the material or device with the VOCs adsorption capacity is a difficult problem, and firstly, the device does not occupy the space of the cab additionally; secondly, the adsorption device can realize continuous updating so as to ensure the adsorption efficiency, reduce the trouble caused by replacement and reduce the replacement waste of the adsorption material.
In conclusion, in the aspect of absorbing the VOCs substances in the automobile, the applicant designs the VOCs substance removing system applied to the automobile, and is used for solving the difficult problems of effective adsorption and desorption of the VOCs substances in the cab to achieve the effect of sustainable use of the VOCs substance absorbing system.
Disclosure of Invention
VOCs adsorption equipment and system in order to solve the installation in the driver's cabin can't carry out the problem that VOCs adsorbs and desorption effectively on the basis that does not occupy the driver's cabin space, this application provides a VOCs gets rid of air circulation system in car.
The application provides a pair of VOCs gets rid of air circulation system in car adopts following technical scheme:
a VOCs removes the air circulation system in the car, including VOCs adsorption equipment with VOCs gas adsorption, power source providing power for adsorption airstream and desorption airstream through VOCs adsorption equipment;
the air circulation system is provided with an adsorption pipe group which enables the gas in the cab to enter the VOCs adsorption device, the adsorption pipe group is also arranged between the VOCs adsorption device and the cab, and the gas adsorbed by the VOCs adsorption device flows back to the cab;
the air circulation system is provided with a desorption pipe group which discharges outside air after the outside air passes through the VOCs adsorption device;
the adsorption pipe group and the desorption pipe group are opened in time sharing.
By adopting the technical scheme, when VOCs substances in the air in the cab are required to be adsorbed, the desorption pipe group is closed, the air in the cab enters the VOCs adsorption device through the adsorption pipe group under the action of the power source, the VOCs substances are adsorbed or removed by catalytic degradation in the process that the air passes through the VOCs adsorption device, and the treated air is sent into the cab, so that the effect of removing the VOCs adsorption device in the air in the cab is realized; when carrying out the desorption and handling, the absorption nest of tubes closes, the desorption nest of tubes is opened, external air enters into the VOCs adsorption equipment through the desorption nest of tubes under the effect of power supply in, volatilize and discharge to the external world the adsorbed VOCs material of VOCs adsorption equipment, realized VOCs adsorption equipment's sustainable use through the desorption, reduced the frequency that VOCs adsorption equipment changed, still improved effectively the absorbent effect of VOCs material in the driver's cabin.
Alternatively, the flow of air into the VOCs adsorption unit through the adsorption tube bank and the desorption tube bank is reversed.
Through adopting above-mentioned technical scheme, under the connection of absorption nest of tubes and desorption nest of tubes, the air flow who passes through VOCs adsorption equipment during adsorbing and desorption is opposite, because the air in the driver's cabin all enters into VOCs adsorption equipment along a direction during the absorption, make a large amount of VOCs material concentrate the one end of adsorbing at VOCs adsorption equipment, during the desorption in the outside air backward flow VOCs adsorption equipment, when volatilizing adsorbed VOCs material, can also make the VOCs material after volatilizing pass through the distance in the VOCs adsorption equipment and shorten, the probability that VOCs material was intercepted again has been reduced, the effect of desorption has been improved.
Optionally, the port that VOCs adsorption equipment and absorption nest of tubes, desorption nest of tubes communicate all is located same lateral wall, and inside being provided with of VOCs adsorption equipment makes the even baffle that passes through VOCs adsorption equipment of the air current of absorption and desorption.
By adopting the technical scheme, under the separation effect of the baffle plates, the communication ports of the VOCs adsorption devices are concentrated on one side wall, so that the connection and installation of pipelines are facilitated, and the pipeline connecting ports are concentrated, so that the installation and placement of the VOCs adsorption devices are facilitated; the setting of baffle still makes the abundant filler with in the VOCs adsorption equipment of air through the VOCs adsorption equipment effectively and contacts, and then has improved the effect of VOCs material absorption in the air in the driver's cabin.
Optionally, the power source includes an adsorption power element for providing power to the adsorption gas flow and a desorption power element for providing power to the desorption gas flow;
the adsorption pipe group is arranged among the VOCs adsorption device, the adsorption power part and the cab, so that gas in the cab flows back into the cab after passing through the VOCs adsorption device;
the desorption pipe group is arranged between the VOCs adsorption device and the desorption power part, so that gas is discharged after passing through the VOCs adsorption device.
Through adopting above-mentioned technical scheme, carry out the VOCs material in the air in the driver's cabin and carry out the desorption of the VOCs material in the VOCs adsorption equipment and discharge and adopt different power parts to accomplish, make the connection of pipeline more simple clear, also make things convenient for the later stage to overhaul and change.
Optionally, the part that the absorption nest of tubes and desorption nest of tubes made gaseous inflow VOCs adsorption equipment all is provided with the filter equipment that has impurity filter effects such as dust.
Through adopting above-mentioned technical scheme, gaseous in-process that enters into VOCs adsorption equipment through adsorbing nest of tubes or desorption nest of tubes, impurity such as dust in the filter equipment air effectively filters, has reduced the probability that dust impurity in the air enters into in the VOCs adsorption equipment, has improved VOCs adsorption equipment's life and to the adsorbed effect of VOCs material in the driver's cabin air.
Optionally, the part that the gas discharge end is connected when desorption nest of tubes and VOCs adsorption equipment desorption is provided with the filter that reduces debris such as dust and enter into in the VOCs adsorption equipment.
Through adopting above-mentioned technical scheme, the setting of filter is held up in the part that desorption tube bank outwards discharged the VOCs material after desorption effectively, has reduced the probability that the dust in the outside air enters into in the VOCs adsorption equipment, has improved VOCs adsorption equipment's life.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the desorption pipe group is closed, air in the cab enters the VOCs adsorption device under the action of the power source, the adsorption of VOCs substances in the air is completed in the process that the air passes through the VOCs adsorption device, and the filtered and adsorbed air is discharged into the cab to complete the adsorption and removal of the VOCs substances in the air in the cab;
2. during desorption, the adsorption pipe group is closed, the desorption pipe group is opened, the outside air is discharged outwards after passing through the VOCs adsorption device under the action of the power source, and the adsorbed VOCs substances are volatilized and discharged after long-time air circulation in the process that the outside air passes through the VOCs adsorption device, so that the desorption of the VOCs substances adsorbed by the VOCs adsorption device is completed, and the service life of the VOCs adsorption device is prolonged;
3. the air flow through VOCs adsorption equipment during adsorption and desorption is opposite, and the VOCs material concentrates the one end of absorption in the VOCs adsorption equipment during owing to adsorb, and the air during desorption is reverse through VOCs adsorption equipment's in-process, has reduced the probability of adsorbing again when volatilizing the VOCs material effectively, has improved the efficiency of desorption.
Drawings
FIG. 1 is a schematic diagram of example 1 of the present application;
FIG. 2 is a schematic diagram of example 2 of the present application;
FIG. 3 is a schematic diagram of example 3 of the present application;
FIG. 4 is a schematic illustration of example 4 of the present application;
FIG. 5 is a schematic illustration of example 5 of the present application;
FIG. 6 is a schematic diagram of example 6 of the present application;
FIG. 7 is a schematic illustration of example 7 of the present application;
fig. 8 is a schematic diagram of embodiment 8 of the present application.
In the figure, 1, a VOCs adsorption device; 11. a baffle plate; 2. a power source; 21. adsorbing a power part; 22. desorbing the power piece; 3. an adsorption tube group; 31. a first adsorption tube; 32. a second adsorption tube; 321. a temperature adjusting device; 33. a third adsorption tube; 4. a desorption pipe group; 41. a first desorption tube; 42. a second desorption tube; 43. a third desorption tube; 5. a filter assembly; 51. a filtration device; 52. a filter; 6. a cab.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses VOCs gets rid of air circulation system in car.
Example 1
Referring to fig. 1, a dotted frame on the figure is used to distinguish the automobile from the outside, open arrows indicate the air flow direction during adsorption, and solid arrows indicate the air flow direction during desorption. The air circulation system for removing the VOCs in the automobile comprises a VOCs adsorption device 1 with VOCs adsorption or catalytic degradation capacity and a power source 2 for providing power for the adsorption and desorption of the VOCs, wherein the power source 2 is generally a fan, an air pump and other devices capable of driving air to flow, and the fan is arranged in an automobile air conditioning system in the embodiment; an adsorption pipe group 3 is arranged among the VOCs adsorption device 1, the power source 2 and the cab 6, and the adsorption pipe group 3 is used for enabling air in the cab 6 to flow back into the cab 6 after passing through the VOCs adsorption device 1; a desorption pipe group 4 which enables outside air to enter the VOCs adsorption device 1 and then to be discharged is arranged between the VOCs adsorption device 1 and the power source 2; the adsorption pipe group 3 and the desorption pipe group 4 are controlled by corresponding valves and can not be opened simultaneously, and the adsorption pipe group 3 and the desorption pipe group 4 are both provided with a filter assembly 5 for reducing impurities such as dust and the like entering the VOCs adsorption device 1.
The in-process of inner loop is carried out to the car, desorption nest of tubes 4 is closed, it opens to adsorb nest of tubes 3, air in driver's cabin 6 enters into VOCs adsorption equipment 1 through adsorbing nest of tubes 3 under the effect of power supply 2 in, VOCs material in the air is adsorbed and is got rid of in the in-process through VOCs adsorption equipment 1, air after VOCs adsorption treatment discharges into driver's cabin 6 again through adsorbing nest of tubes 3 in, carry out the adsorption of VOCs material in the air in driver's cabin 6 and get rid of in the in-process of inner loop is carried out to the car, the quality of air in driver's cabin 6 has been improved, personnel's safety in driver's cabin 6 has been provided the guarantee.
After the inner loop stops, with desorption nest of tubes 4 open, the absorption nest of tubes 3 is closed, power supply 2 makes in the air in the external world enters into VOCs adsorption equipment 1 through desorption nest of tubes 4, volatilizes the outside emission in back with the VOCs material that VOCs adsorption equipment 1 is adsorbed, has realized the desorption and the emission of the VOCs material that VOCs adsorption equipment 1 is adsorbed, has also realized the sustainable use of VOCs adsorption equipment 1 simultaneously. Because power supply 2 is vehicle air conditioning system's fan, realized the integration of VOCs adsorption equipment 1 with the air conditioning system in the car, saved the car space that occupies, the design is more reasonable.
Referring to fig. 1, the VOCs adsorption apparatus 1 includes two connection end surfaces through which gas passes, the two connection end surfaces being located on opposite outer walls of the VOCs adsorption apparatus. The adsorption tube group 3 comprises a first adsorption tube 31, a second adsorption tube 32 and a third adsorption tube 33 which are all provided with control valves; one end of the first adsorption pipe 31 is communicated with an air inlet of the cab 6 for internal circulation, and the other end is communicated with an air inlet of the power source 2; second adsorption tube 32 one end and the air outlet intercommunication of power supply 2, the other end and the connection terminal surface intercommunication of VOCs adsorption equipment 1, third adsorption tube 33 one end and another connection terminal surface intercommunication of VOCs adsorption equipment 1, the other end and the interior circulation air outlet intercommunication in the driver's cabin 6.
The desorption pipe group 4 comprises a first desorption pipe 41, a second desorption pipe 42 and a third desorption pipe 43 which are all provided with control valves, one end of the first desorption pipe 41 is communicated with the outside, and the other end is communicated with an air inlet of the power source 2; one end of the second desorption pipe 42 is communicated with the air outlet of the power source 2, and the other end is connected to the end face of the VOCs adsorption device 1 communicated with the second adsorption pipe 32; one end of the third desorption pipe 43 is connected to the end face of the first adsorption pipe 31 communicated with the VOCs adsorption device 1, and the other end is communicated with the outside, so that the flow direction of gas passing through the VOCs adsorption device 1 during adsorption and desorption is opposite.
When air in the cab 6 is circulated internally, the first desorption pipe 41, the second desorption pipe 42 and the third desorption pipe 43 are all closed, the first adsorption pipe 31, the second adsorption pipe 32 and the third adsorption pipe 33 are opened, under the action of the power source 2, the air in the cab 6 sequentially passes through the first adsorption pipe 31 and the second adsorption pipe 32 of the fan to enter the VOCs adsorption device 1, VOCs in the air are intercepted and adsorbed in the process of passing through the VOCs adsorption device 1, the purified air flows back to the cab 6 again through the third adsorption pipe 33, the purification and adsorption of the VOCs in the air in the cab 6 are completed, and the adsorption effect of the VOCs in the air in the cab 6 is improved.
During desorption, the first adsorption pipe 31, the second adsorption pipe 32 and the third adsorption pipe 33 are closed, the first desorption pipe 41, the second desorption pipe 42 and the third desorption pipe 43 are opened, outside air sequentially passes through the first desorption pipe 41, the power source 2 and the second desorption pipe 42 under the action of the power source 2 and then enters the VOCs adsorption device 1, outside air reversely (opposite to the direction of gas passing through the VOCs adsorption device 1 during adsorption) passes through the VOCs adsorption device 1 and then is discharged outwards through the third adsorption pipe 33, due to the fact that more VOCs adsorbed by the second adsorption pipe 32 flow reversely during desorption, the path of VOCs volatilized VOCs passing through the adsorbates in the VOCs adsorption device 1 is reduced, the efficiency of VOCs desorption is effectively improved, the sustainable use of the VOCs adsorption device 1 is improved, the frequency of the change of adsorbates in the VOCs adsorption device 1 is reduced, accords with the concept of green environmental protection.
Referring to fig. 1, the filter assembly 5 includes a filter unit 51 and a filter 52, and the filter unit 51 includes two filters, one filter being installed in the first adsorption pipe 31 for dust-filtering the gas introduced into the VOCs adsorption apparatus 1 through the first adsorption pipe 31; and one installed in the second desorption pipe 42 for dust filtration of the gas introduced into the VOCs adsorption apparatus 1 through the second desorption pipe 42. The filter 52 is also a device having a dust filtering function, and is a canister filter in this embodiment; a filter 52 is attached to the third desorption pipe 43 to reduce the entry of foreign matters such as dust from the outside into the VOCs adsorption apparatus 1 through the third desorption pipe 43.
The temperature adjusting device 321 for adjusting the temperature of the gas is further installed in the first adsorption pipe 31, so that the first adsorption pipe 31, the installed temperature adjusting device 321, the second adsorption pipe 32, the VOCs adsorption device 1 and the third adsorption pipe 33 together form an air conditioning system of the automobile, and by integrating the VOCs adsorption device 1 with an original air conditioning system of the automobile, the number of newly introduced pipelines and devices for realizing adsorption treatment of VOCs substances in the cab 6 is effectively reduced, the existing system of the automobile is effectively utilized, and the space of the automobile is fully utilized.
The implementation principle of embodiment 1 of the application is as follows: when the automobile carries out the inner loop, first desorption pipe 41, second desorption pipe 42, third desorption pipe 43 all close, air in driver's cabin 6 loops through first adsorption pipe 31, in second adsorption pipe 32 enters into VOCs adsorption equipment 1 under the effect of power supply 2 in, VOCs material in the air is adsorbed through VOCs adsorption equipment 1 and is filtered the back and enters into driver's cabin 6 by third adsorption pipe 33, can also adjust the temperature of air through attemperator 321 simultaneously, accomplish the absorption of VOCs material in the driver's cabin 6.
After the internal circulation of the automobile stops, the first adsorption pipe 31, the second adsorption pipe 32 and the third adsorption pipe 33 are closed, the first desorption pipe 41, the second desorption pipe 42 and the third desorption pipe 43 are opened, the air outside the automobile sequentially enters the VOCs adsorption device 1 through the first desorption pipe 41 and the second desorption pipe 42 under the action of the power source 2, VOCs substances adsorbed in the VOCs adsorption device 1 during the internal circulation are reversely volatilized and then are discharged from the third desorption pipe 43, the desorption of the VOCs substances is completed, the service life of the VOCs adsorption device 1 is prolonged, and the effect of adsorbing and removing the VOCs substances in the air in the cab 6 is also improved.
Example 2
Referring to fig. 2, the present embodiment is different from embodiment 1 in that the power source 2 includes an adsorption power member 21 and a desorption power member 22, both the adsorption power member 21 and the desorption power member 22 are devices capable of providing power for the flow of gas, the adsorption power member 21 is a fan of an air conditioning system of an automobile in the present embodiment, and the desorption power member 22 is a small blower.
One end of the first adsorption pipe 31 is communicated with the cab 6, and the other end is communicated with an air inlet of the adsorption power part 21; one end of the second adsorption tube 32 is communicated with the air outlet of the adsorption power part 21, and the other end is communicated with the connection end face of the VOCs adsorption device 1. One end of the first desorption pipe 41 is communicated with the outside, and the other end is communicated with an air inlet of the desorption power piece 22; one end of the second desorption pipe 42 is communicated with the air outlet of the desorption power part 22, and the other end is connected to the end face of the VOCs adsorption device 1 communicated with the third adsorption pipe 33.
The application implements the implementation principle of 2: carry out two different power supplies 2 of VOCs absorption and desorption use, all close first desorption pipe 41, second desorption pipe 42 and third desorption pipe 43 during absorption, desorption power spare 22 is also in closed condition, adsorbs the gas introduction in VOCs adsorption equipment 1 of power spare 21 in with driver's cabin 6 and adsorbs the filtration, discharges into driver's cabin 6 again in, accomplishes the absorption of the VOCs material in the driver's cabin 6.
During desorption, the first adsorption pipe 31, the second adsorption pipe 32 and the third adsorption pipe 33 are all closed, the adsorption power part 21 stops running, the first desorption pipe 41, the second desorption pipe 42 and the third desorption pipe 43 are opened, the desorption power part 22 introduces outside air into the VOCs adsorption device 1, the air reversely passes through the VOCs adsorption device 1 and then is discharged outwards, and desorption of VOCs substances adsorbed by the VOCs adsorption device 1 is completed.
Example 3
Referring to fig. 3, the difference between this embodiment and embodiment 1 is that two connection ports of the VOCs adsorption apparatus 1 are located on the same side, a baffle 11 is fixedly disposed at a position on the inner wall of the VOCs adsorption apparatus 1 corresponding to the connection position of the two connection end faces, the baffle 11 is fixedly connected with the inner wall of the VOCs adsorption apparatus 1 and separates the interior of the VOCs adsorption apparatus 1 into two spaces, and the two spaces separated are communicated with each other at a position where the baffle 11 is far away from the connection end faces of the VOCs adsorption apparatus 1.
One end of the second adsorption pipe 32, which is far away from the power source 2, is connected with one connecting end surface of the VOCs adsorption device 1, and one end of the third adsorption pipe 33, which is far away from the cab 6, is connected with the other connecting end surface of the VOCs adsorption device 1; one end of the second desorption pipe 42, which is far away from the power source 2, is connected to the port where the VOCs adsorption device 1 and the third adsorption pipe 33 are connected, and the third desorption pipe 43 is connected to the port where the VOCs adsorption device 1 and the second adsorption pipe 32 are connected, so that four connecting pipe ports of the VOCs adsorption device 1 are located on the same side.
The implementation principle and effect of the application 3 are as follows: baffle 11 in the VOCs adsorption equipment 1 sets up and separates VOCs adsorption equipment 1's inner space effectively to all concentrate on a terminal surface with the mouth of pipe connection, make orificial connection more convenient, also saved shared car inner space size. On the other hand, when absorbing the VOCs, the air in the cab 6 enters the VOCs adsorption device 1 under the action of the power source 2, and flows through two spaces in sequence under the action of the baffle 11 and then flows back into the cab 6, so that the effective path of the air passing through the VOCs adsorption device 1 is long; when carrying out the desorption, in external air enters into VOCs adsorption equipment 1, and the orientation of circulation is opposite when adsorbing in VOCs adsorption equipment 1, makes the VOCs material carry out the desorption more effectively and discharge, has realized the desorption processing after the absorption of VOCs material in the air in the car.
Example 4
Referring to fig. 4, the present embodiment is different from embodiment 3 in that, in embodiment 3, the power source 2 includes an adsorption power member 21 and a desorption power member 22 in the adsorption device, the adsorption power member 21 provides power for the air in the cab 6 to flow to the VOCs adsorption device 1, and the desorption power member 22 provides power for the air from the outside to flow into the VOCs adsorption device 1.
One end of the first adsorption pipe 31 far away from the cab 6 is communicated with an air inlet of the adsorption power part 21; one end of the second adsorption tube 32, which is far away from the VOCs adsorption device 1, is communicated with an air outlet of the adsorption power part 21. One end of the first desorption pipe 41 is communicated with the outside, and the other end is communicated with an air inlet of the desorption power piece 22; one end of the second desorption pipe 42, which is far away from the VOCs adsorption device 1, is communicated with the air outlet of the desorption power part 22.
The implementation principle of embodiment 4 of the present application is different from that of embodiment 3 in that: the adsorption power piece 21 in the air system only provides power for adsorption of the VOCs in the air in the cab 6, and the desorption power piece 22 only provides power for desorption of the VOCs adsorbed by the VOCs adsorption device 1.
Example 5
Referring to fig. 5, the present embodiment is different from embodiment 1 in that the blades of the power source 2 are rotated in opposite directions in the desorption process. One end of the first desorption pipe 41 is connected to the end face of the VOCs adsorption device 1 connected with the third adsorption pipe 33, the other end of the first desorption pipe is communicated with the outside, and the filtering device 51 is installed in the first desorption pipe 41; one end of the second desorption pipe 42 is connected to the end face of the VOCs adsorption device 1 connected to the second adsorption pipe 32, the other end of the second desorption pipe 42 is connected to the end face of the power source 2 communicated with the second adsorption pipe 32, and the filter 52 is installed on the second desorption pipe 42; one end of the third desorption pipe 43 is connected to the end face of the power source 2 communicating with the first adsorption pipe 31, and the other end communicates with the outside.
The implementation principle of embodiment 5 of the present application different from that of embodiment 1 is as follows: when carrying out the desorption, with first adsorption tube 31, second adsorption tube 32, third adsorption tube 33 closes, with first desorption tube 41, second desorption tube 42, third desorption tube 43 is opened, the flabellum antiport of power supply 2, external air enters into VOCs adsorption equipment 1 through first desorption tube 41 in, filter 52 carries out preliminary dust filtration to the air that enters into VOCs adsorption equipment 1 in, the desorption air current is discharged after VOCs adsorption equipment 1 with the VOCs material that the desorption volatilizees out by second desorption tube 42 and third desorption tube 43 behind the VOCs adsorption equipment 1, accomplish the desorption link, wherein debris such as the effectual external dust of reduction of filter 52 enter into VOCs adsorption equipment 1 in, VOCs adsorption equipment's life has been improved.
Example 6
Referring to fig. 6, the present embodiment is different from embodiment 5 in that one end of a first desorption pipe 41 is communicated with one end of a third adsorption pipe 33 near the VOCs adsorption apparatus 1, the other end is communicated with the outside, a filter apparatus 51 is installed in the first desorption pipe 41, and a control valve of the third adsorption pipe 33 is located between the cab 6 and the first desorption pipe 41; one end of the second desorption pipe 42 is communicated with one end of the first adsorption pipe 31 close to the VOCs adsorption device 1, the other end is communicated with the outside, and the control valve of the third adsorption pipe 33 is positioned between the cab 6 and the second desorption pipe 42.
The implementation principle of embodiment 6 of the present application different from that of embodiment 5 is as follows: during desorption, only close first adsorption tube 31 and third adsorption tube 33, open first desorption tube 41 and second desorption tube 42, fan counter-rotation in the power supply 2, in external air enters into VOCs adsorption equipment 1 through first desorption tube 41 and part third adsorption tube 33, the desorption air current that enters into in the VOCs adsorption equipment 1 volatilizees the VOCs material that sends out with desorption in the VOCs adsorption equipment 1 by first adsorption tube 31 and second desorption tube 42 discharge, accomplish the desorption link.
Example 7
Referring to fig. 7, the present embodiment is different from embodiment 3 in that one end of a first desorption pipe 41 is connected to a port where a third adsorption pipe 33 is connected to a VOCs adsorption apparatus 1, the other end is communicated with the outside, and a filter apparatus 51 is installed on the first desorption pipe 41; one end of the second desorption pipe 42 is connected to the port of the second adsorption pipe 32 communicated with the VOCs adsorption device 1, and the other end is connected to the port of the second adsorption pipe 32 connected with the power source 2; one end of the third desorption pipe 43 is connected to a port of the first desorption pipe 31 connected to the power source 2, the other end is communicated with the outside, and the filter 52 is installed on the third desorption pipe 43.
The implementation principle of this embodiment is different from that of embodiment 3 in that: during desorption, first adsorption tube 31, second adsorption tube 32, third adsorption tube 33 all close, and first desorption tube 41, second desorption tube 42, third desorption tube 43 open, and the flabellum antiport of power supply 2, outside air enters into the VOCs desorption device through first desorption tube 41 and the VOCs material that volatilizees the desorption by second desorption tube 42, the outside emission of third desorption tube 43, realizes the desorption of VOCs material.
Example 8
Referring to fig. 8, this embodiment is different from embodiment 7 in that one end of a first desorption pipe 41 communicates with a portion of a third adsorption pipe 33 near the VOCs adsorption apparatus 1 and the other end communicates with the outside, a control valve of the third adsorption pipe 33 is located between the cab 6 and the first desorption pipe 41, and a filter device 51 is installed on the first desorption pipe 41; one end of the second desorption pipe 42 communicates with a portion of the first desorption pipe 31 near the power source 2, and the other end communicates with the outside, and the control valve of the first desorption pipe 31 is located between the cab 6 and the second desorption pipe 42.
The present embodiment is different from embodiment 7 in the implementation principle: during desorption, only first adsorption tube 31 and second adsorption tube 32 close, and the flabellum antiport of power supply 2, in external gas entered into VOCs adsorption equipment 1 by first desorption tube 41 and third adsorption tube 33, the VOCs material that will desorb and volatilize was discharged by first adsorption tube 31, second desorption tube 42, accomplished the desorption.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides an interior VOCs of car gets rid of air circulation system which characterized in that: comprises a VOCs adsorption device (1) with the function of VOCs gas adsorption or catalytic degradation and a power source (2) for providing power for adsorption airflow and desorption airflow passing through the VOCs adsorption device (1);
the air circulation system is provided with an adsorption pipe group (3) which enables the gas in the cab (6) to enter the VOCs adsorption device (1), the adsorption pipe group (3) is also arranged between the VOCs adsorption device (1) and the cab (6), and the gas adsorbed by the VOCs adsorption device (1) flows back to the cab (6);
the air circulation system is also provided with a desorption pipe group (4) which discharges the outside air after passing through the VOCs adsorption device (1);
the adsorption pipe group (3) and the desorption pipe group (4) are opened at different time.
2. The automotive in-vehicle VOCs removal air circulation system of claim 1, wherein: the air flowing into the VOCs adsorption device (1) through the adsorption pipe group (3) and the desorption pipe group (4) flows in opposite directions.
3. An automotive in-vehicle VOCs removal air circulation system according to claim 1 or 2, characterized in that: VOCs adsorption equipment (1) and the port that adsorbs nest of tubes (3), desorption nest of tubes (4) intercommunication all are located same lateral wall, and VOCs adsorption equipment (1) inside is provided with baffle (11) that the air current that makes absorption and desorption evenly passes through VOCs adsorption equipment.
4. The automotive in-vehicle VOCs removal air circulation system of claim 1, wherein: the power source (2) comprises an adsorption power piece (21) for providing power for the adsorption airflow and a desorption power piece (22) for providing power for the desorption airflow;
the adsorption pipe group (3) is arranged among the VOCs adsorption device (1), the adsorption power part (21) and the cab (6), so that the gas in the cab (6) flows back into the cab (6) after passing through the VOCs adsorption device (1);
the desorption pipe group (4) is arranged between the VOCs adsorption device (1) and the desorption power part (22) to discharge gas after passing through the VOCs adsorption device (1).
5. An in-vehicle VOCs removal air circulation system according to claim 1 or 4, wherein: the adsorption tube group (3) and the desorption tube group (4) are provided with filtering devices (51) which have filtering effects on impurities such as dust at the parts where the gas flows into the VOCs adsorption device (1).
6. The automotive in-vehicle VOCs removal air circulation system of claim 5, wherein: and a filter (52) for reducing impurities such as dust and the like entering the VOCs adsorption device (1) is arranged at the part connected with the gas discharge end when the desorption tube group (4) and the VOCs adsorption device (1) desorb.
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Inventor after: Ni Hong Inventor after: Ding Yan Inventor after: Yin Hang Inventor after: Wang Liang Inventor after: Wang Yanjun Inventor after: Yan Zhimin Inventor before: Ni Hong Inventor before: Ding Yan Inventor before: Yin Hang Inventor before: Wang Liang Inventor before: Wang Yanjun Inventor before: Yan Zhimin |