CN113771596B - VOCs removes air circulation system in car - Google Patents
VOCs removes air circulation system in car Download PDFInfo
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- CN113771596B CN113771596B CN202110997785.4A CN202110997785A CN113771596B CN 113771596 B CN113771596 B CN 113771596B CN 202110997785 A CN202110997785 A CN 202110997785A CN 113771596 B CN113771596 B CN 113771596B
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 241
- 238000001179 sorption measurement Methods 0.000 claims abstract description 319
- 238000003795 desorption Methods 0.000 claims abstract description 186
- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000015556 catabolic process Effects 0.000 claims abstract description 3
- 238000006731 degradation reaction Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 15
- 238000004378 air conditioning Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 27
- 238000001914 filtration Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 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
- 206010047700 Vomiting Diseases 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
- 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
- 229920003023 plastic Polymers 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
- 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 is got rid of to VOCs in car relates to car air circulation system's technical field, and it includes VOCs adsorption equipment that has VOCs gas adsorption catalysis degradation effect, provides the power supply of power for absorption air current and desorption air current that passes through VOCs adsorption equipment; the air circulation system is provided with an adsorption tube group which enables the gas in the cab to enter the VOCs adsorption device, and the adsorption tube group is also arranged between the VOCs adsorption device and the cab, so that the gas adsorbed by the VOCs adsorption device flows back to the cab; the air circulation system is provided with a desorption tube group which enables external gas to pass through the VOCs adsorption device and then be discharged; adsorb nest of tubes and desorption nest of tubes time-sharing and open, this application has the effect to the purification of VOCs material in the 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 automobiles.
Background
The VOCs are volatile organic substances, and a large amount of VOCs are volatilized from decorative materials such as leather, fabrics, plastics, viscose and the like in the cab of the automobile. When the concentration of the VOCs in the air in the car reaches a certain level, people can feel symptoms such as headache, nausea, vomiting, hypodynamia and the like in a short time, and the VOCs belong to substances harmful to human bodies.
The vehicle-mounted air circulation system is the air conditioning system which comprises an inner circulation part and an outer circulation part, wherein the inner circulation part is used for enabling air in a vehicle to flow through the air conditioning system to generate circulation and regulating the temperature of the circulated air; the external circulation system is used for enabling outside air to enter the vehicle for circulation under the condition that the vehicle window is not opened, and is more suitable for running at a high speed or being used in an environment where the vehicle window is not opened.
At present, the filtering device contained in the vehicle-mounted air conditioning system mainly filters dust in the air, and can not effectively adsorb and filter VOCs substances in a cab. If there is air pollution in the outside environment, when the car carries out the extrinsic cycle, external VOCs material also can enter into in the car, so carry out the ventilation of windowing or carry out the gaseous exchange in the driver's cabin through the extrinsic cycle and also can not get rid of the VOCs material in the driver's cabin effectively.
For removing VOCs substances in the cab, the effective method is to adsorb and remove the VOCs substances by using a special material with the VOCs substance adsorption effect. How to effectively pass the air in the cab through the material or device with the capability of adsorbing the VOCs is a further problem, firstly, the device should not occupy extra space in the cab; secondly, the adsorption device can realize continuous updating so as to ensure the adsorption efficiency and reduce the trouble brought by replacement and the replacement waste of the adsorption material.
In summary, in terms of the adsorption of the VOCs in the vehicle, the applicant designs the VOCs removing system applied to the vehicle, so as to solve the problems of effective adsorption and desorption of the VOCs in the cab, and achieve the sustainable use effect of the VOCs adsorbing system.
Disclosure of Invention
In order to solve the problem that VOCs adsorption equipment and system installed in the cab can not adsorb and desorb VOCs effectively on the basis of not occupying the cab space, the application provides an air circulation system is got rid of to VOCs in the car.
The application provides an air circulation system is got rid of to VOCs in car adopts following technical scheme:
the VOCs removing air circulation system in the automobile comprises a VOCs adsorption device with the VOCs gas adsorption function and a power source for providing power for adsorption air flow and desorption air flow passing through the VOCs adsorption device;
the air circulation system is provided with an adsorption tube group which enables the gas in the cab to enter the VOCs adsorption device, and the adsorption tube group is also arranged between the VOCs adsorption device and the cab, so that the gas adsorbed by the VOCs adsorption device flows back to the cab;
the air circulation system is provided with a desorption tube group which enables external gas to pass through the VOCs adsorption device and then be discharged;
the adsorption tube group and the desorption tube group are opened in time division.
Through the adoption of the technical scheme, when VOCs 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, and the VOCs in the air passing through the VOCs adsorption device are adsorbed or catalytically degraded and removed, so that the treated air is sent into the cab, and the effect of removing the VOCs adsorption device in the air in the cab is realized; when carrying out desorption processing, the adsorption tube group is closed, and the desorption tube group is opened, and external air enters into VOCs adsorption equipment through the desorption tube group under the effect of power supply, volatilizes the VOCs material that VOCs adsorption equipment adsorbed and to outside discharge, has realized the sustainable use of VOCs adsorption equipment through the desorption, has reduced the frequency that VOCs adsorption equipment changed, has still improved the effect to the interior VOCs material adsorption of driver's cabin effectively.
Alternatively, the flow of air into the VOCs adsorption apparatus through the adsorption tube bank and the desorption tube bank is reversed.
Through adopting above-mentioned technical scheme, under the connection of adsorption tube group and desorption tube group, the air flow direction through VOCs adsorption equipment is opposite when adsorbing with the desorption, because the air in the driver's cabin all enters into in the VOCs adsorption equipment along a direction when adsorbing, make a large amount of VOCs material concentrate the one end of adsorbing at VOCs adsorption equipment, external air backward flow VOCs adsorption equipment in the desorption, when volatilizing the VOCs material that will adsorb, can also make the VOCs material after volatilizing shorten through the distance in the VOCs adsorption equipment, the probability that the VOCs material was intercepted again has been reduced, the effect of desorption has been improved.
Optionally, the ports of the VOCs adsorption device, the adsorption tube group and the desorption tube group are all located on the same side wall, and the baffle plate which enables the gas flow of adsorption and desorption to uniformly pass through the VOCs adsorption device is arranged inside the VOCs adsorption device.
By adopting the technical scheme, under the separation effect of the baffle plates, the communication ports of the VOCs adsorption device are concentrated on one side wall, so that the connection and the installation of the pipeline are convenient, and the concentration of the pipeline connection ports also facilitates the installation and the placement of the VOCs adsorption device; the setting of baffle still makes the air through VOCs adsorption equipment abundant contact with the filler in the VOCs adsorption equipment, and then has improved the absorptive effect of VOCs material in the air in the driver's cabin.
Optionally, the power source comprises an adsorption power piece for providing power for the adsorption airflow and a desorption power piece for providing power for the desorption airflow;
the adsorption tube is arranged among the VOCs adsorption device, the adsorption power piece and the cab, so that gas in the cab flows back into the cab after passing through the VOCs adsorption device;
the desorption tube group is arranged between the VOCs adsorption device and the desorption power piece, so that gas is discharged after passing through the VOCs adsorption device.
Through adopting above-mentioned technical scheme, carry out the absorption of VOCs material in the air in the driver's cabin and carry out the desorption of VOCs material in the VOCs adsorption equipment and discharge and accomplish with different power spare, make the connection of pipeline simpler and more clear, also make things convenient for the later stage to overhaul and change.
Optionally, the parts of the adsorption tube group and the desorption tube group, which enable the gas to flow into the VOCs adsorption device, are provided with filtering devices with dust and other impurity filtering effects.
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, filter equipment filters the impurity such as dust in the air effectively, 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 absorptive effect of VOCs material in the air in the driver's cabin.
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 part of the VOCs material after the desorption of outwards discharging of desorption nest of tubes is intercepted effectively in the filter setting, has reduced the dust in the outside air and has entered into the probability 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 tube 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 removal of the VOCs substances in the air in the cab;
2. when in desorption, the adsorption tube group is closed, the desorption tube group is opened, external air is discharged outwards after passing through the VOCs adsorption device under the action of the power source, adsorbed VOCs substances are volatilized and discharged after long-time air circulation in the process that the external 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 adsorption and the desorption are time opposite through the air flow direction of the VOCs adsorption device, because the VOCs substance is concentrated and adsorbed at one end in the VOCs adsorption device during adsorption, the desorption is time reverse to be passed through the VOCs adsorption device during the process, the probability of re-adsorption is effectively reduced when the VOCs substance is volatilized, and the desorption efficiency is improved.
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 illustration 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 example 8 of the present application.
In the figure, 1, a VOCs adsorption device; 11. a baffle; 2. a power source; 21. adsorbing a power piece; 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 tube group; 41. a first desorption tube; 42. a second desorption tube; 43. a third desorption tube; 5. a filter assembly; 51. a filtering device; 52. a filter; 6. and a cab.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses VOCs removes air circulation system in car.
Example 1
Referring to fig. 1, a dotted frame on the figure is used to distinguish an automobile from the outside, an open arrow indicates an air flow direction when adsorption, and a solid arrow indicates an air flow direction when desorption. The air circulation system for removing VOCs in the automobile comprises a VOCs adsorption device 1 with VOCs adsorption or catalytic degradation capability and a power source 2 for providing power for the adsorption and desorption of the VOCs, wherein the power source 2 is a fan, an air pump and other devices capable of driving air to flow, and the embodiment is a fan in an automobile air conditioning system; the VOCs adsorption device 1, the power source 2 and the cab 6 are provided with an adsorption tube group 3, and the adsorption tube 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 tube group 4 for discharging outside air after entering the VOCs adsorption device 1 is arranged between the VOCs adsorption device 1 and the power source 2; the adsorption tube group 3 and the desorption tube group 4 are controlled by corresponding valves and cannot be opened simultaneously, and the adsorption tube group 3 and the desorption tube group 4 are both provided with a filtering component 5 for reducing sundries such as dust entering the VOCs adsorption device 1.
In the process of the internal circulation of the automobile, the desorption pipe group 4 is closed, the adsorption pipe group 3 is opened, air in the cab 6 enters the VOCs adsorption device 1 through the adsorption pipe group 3 under the action of the power source 2, VOCs in the air are adsorbed and removed in the process of passing through the VOCs adsorption device 1, the air after being adsorbed and treated by the VOCs is discharged into the cab 6 again through the adsorption pipe group 3, the adsorption and removal of the VOCs in the air in the cab 6 are carried out in the process of the internal circulation of the automobile, the quality of the air in the cab 6 is improved, and the safety of personnel in the cab 6 is guaranteed.
After the internal circulation stops, the desorption tube group 4 is opened, the adsorption tube group 3 is closed, the power source 2 enables outside air to enter the VOCs adsorption device 1 through the desorption tube group 4, VOCs substances adsorbed by the VOCs adsorption device 1 are volatilized and then discharged outwards, the desorption and discharge of the VOCs substances adsorbed by the VOCs adsorption device 1 are realized, and meanwhile, the sustainable use of the VOCs adsorption device 1 is also realized. Because the power source 2 is a fan of an automobile air conditioning system, the integration of the VOCs adsorption device 1 and the air conditioning system in the automobile is realized, the occupied automobile space is saved, and the design is more reasonable.
Referring to fig. 1, the VOCs adsorbing device 1 includes two connection end faces through which gas passes, the two connection end faces being located on opposite outer walls of the VOCs adsorbing device. 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 tube 31 is communicated with an air inlet of the cab 6 for internal circulation, and the other end of the first adsorption tube is communicated with an air inlet of the power source 2; one end of the second adsorption tube 32 is communicated with an air outlet of the power source 2, the other end of the second adsorption tube is communicated with one connecting end face of the VOCs adsorption device 1, one end of the third adsorption tube 33 is communicated with the other connecting end face of the VOCs adsorption device 1, and the other end of the third adsorption tube is communicated with an inner circulation air outlet in the cab 6.
The desorption tube group 4 comprises a first desorption tube 41, a second desorption tube 42 and a third desorption tube 43 which are all provided with control valves, one end of the first desorption tube 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 tube 42 is communicated with the air outlet of the power source 2, and the other end of the second desorption tube is connected to the end surface of the VOCs adsorption device 1 communicated with the second adsorption tube 32; the third desorption tube 43 has one end connected to the end surface of the VOCs adsorption apparatus 1 which communicates with the first adsorption tube 31, and the other end connected to the outside, so that the flow direction of the gas passing through the VOCs adsorption apparatus 1 during adsorption and desorption is opposite.
When the 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 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 fan second adsorption pipe 32 to enter the VOCs adsorption device 1, VOCs in the air are intercepted and adsorbed 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 tube 31, the second adsorption tube 32 and the third adsorption tube 33 are closed, the first desorption tube 41, the second desorption tube 42 and the third desorption tube 43 are opened, external air sequentially passes through the first desorption tube 41, the power source 2 and the second desorption tube 42 and then enters the VOCs adsorption device 1 under the action of the power source 2, external air is reversely discharged from the third adsorption tube 33 after passing through the VOCs adsorption device 1 (in the opposite direction of the gas passing through the VOCs adsorption device 1 during adsorption), due to the fact that the VOCs adsorbed by the position close to the second adsorption tube 32 are more, the path of the adsorbed substances passing through the VOCs adsorption device 1 after volatilization of the VOCs substances is reduced during desorption, the desorption efficiency of the VOCs substances is effectively improved, sustainable use of the VOCs adsorption device 1 is further improved, the replacement frequency of the adsorbed substances in the VOCs adsorption device 1 is reduced, and the concept of green and environment protection is met.
Referring to fig. 1, the filter assembly 5 includes a filter device 51 and a filter 52, and the filter device 51 includes two, one is installed in the first adsorption tube 31 for dust filtering the gas entering the VOCs adsorption device 1 through the first adsorption tube 31; one is installed in the second desorption tube 42 for dust filtration of the gas entering the VOCs adsorption apparatus 1 through the second desorption tube 42. The filter 52 is also a device having a dust filtering function, and is a canister filter in this embodiment; the filter 52 is installed on the third desorption tube 43 to reduce foreign substances such as external dust from entering the VOCs adsorbing apparatus 1 through the third desorption tube 43.
The temperature adjusting device 321 for adjusting the temperature of the gas is further installed in the first adsorption tube 31, so that the first adsorption tube 31, the installed temperature adjusting device 321, the second adsorption tube 32, the VOCs adsorption device 1 and the third adsorption tube 33 together form an air conditioning system of the automobile, and the mode of integrating the VOCs adsorption device 1 with the original air conditioning system of the automobile effectively reduces the quantity of newly introduced pipelines and devices required for realizing the adsorption treatment of the VOCs in the cab 6, effectively utilizes the existing system of the automobile and fully utilizes the space of the automobile.
The implementation principle of embodiment 1 of the present application: when the automobile is in internal circulation, the first desorption pipe 41, the second desorption pipe 42 and the third desorption pipe 43 are all closed, air in the cab 6 sequentially passes through the first adsorption pipe 31 and the second adsorption pipe 32 under the action of the power source 2 to enter the VOCs adsorption device 1, VOCs substances in the air are adsorbed and filtered by the VOCs adsorption device 1, then enter the cab 6 through the third adsorption pipe 33, and meanwhile, the temperature of the air can be regulated through the temperature regulating device 321, so that the adsorption of the VOCs substances in the cab 6 is completed.
After the automobile internal circulation is stopped, the first adsorption tube 31, the second adsorption tube 32 and the third adsorption tube 33 are closed, the first desorption tube 41, the second desorption tube 42 and the third desorption tube 43 are opened, air outside the automobile sequentially passes through the first desorption tube 41 and the second desorption tube 42 under the action of the power source 2 and enters the VOCs adsorption device 1, VOCs adsorbed in the VOCs adsorption device 1 during the internal circulation are reversely volatilized and then discharged from the third desorption tube 43, the desorption of the VOCs is completed, the service life of the VOCs adsorption device 1 is prolonged, and the effect of adsorbing and removing the VOCs in the air in the cab 6 is also improved.
Example 2
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is that the power source 2 includes an adsorption power member 21 and a desorption power member 22, the adsorption power member 21 and the desorption power member 22 are both devices capable of providing power for the flow of gas, the adsorption power member 21 is an air conditioner system fan in the present embodiment, and the desorption power member 22 is a small blower.
One end of the first adsorption tube 31 is communicated with the cab 6, and the other end is communicated with an air inlet of the adsorption power piece 21; one end of the second adsorption tube 32 is communicated with the air outlet of the adsorption power piece 21, and the other end is communicated with the connecting end face of the VOCs adsorption device 1. One end of the first desorption tube 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 tube 42 is communicated with the air outlet of the desorption power piece 22, and the other end of the second desorption tube is connected to the end surface of the VOCs adsorption device 1, which is communicated with the third adsorption tube 33.
Implementation principle of embodiment 2 of the present application: two different power sources 2 are used for VOCs adsorption and desorption, a first desorption pipe 41, a second desorption pipe 42 and a third desorption pipe 43 are closed during adsorption, a desorption power piece 22 is also in a closed state, the adsorption power piece 21 introduces gas in the cab 6 into the VOCs adsorption device 1 for adsorption filtration, and then is discharged into the cab 6 to finish the adsorption of VOCs substances in the cab 6.
During desorption, the first adsorption tube 31, the second adsorption tube 32 and the third adsorption tube 33 are all closed, the adsorption power piece 21 is also stopped, after the first desorption tube 41, the second desorption tube 42 and the third desorption tube 43 are opened, the desorption power piece 22 introduces the outside air into the VOCs adsorption device 1, and the air is reversely discharged outwards after passing through the VOCs adsorption device 1, so that the desorption of the VOCs substances adsorbed by the VOCs adsorption device 1 is completed.
Example 3
Referring to fig. 3, this embodiment is different from embodiment 1 in that two connection ports of the VOCs adsorbing device 1 are located on the same side, a baffle 11 is fixedly provided at a position where the inner wall of the VOCs adsorbing device 1 corresponds to the connection of the two connection end surfaces, the baffle 11 is fixedly connected with the inner wall of the VOCs adsorbing device 1 and divides the interior of the VOCs adsorbing device 1 into two spaces, and the divided two spaces are mutually communicated at a position where the baffle 11 is far away from the connection end surface of the VOCs adsorbing device 1.
One end of the second adsorption tube 32, which is far away from the power source 2, is connected with one connecting end face of the VOCs adsorption device 1, and one end of the third adsorption tube 33, which is far away from the cab 6, is connected with the other connecting end face of the VOCs adsorption device 1; one end of the second desorption tube 42 far away from the power source 2 is connected to the port where the VOCs adsorbing device 1 is connected to the third adsorption tube 33, and the third desorption tube 43 is connected to the port where the VOCs adsorbing device 1 is connected to the second adsorption tube 32, so that the four connecting tube openings of the VOCs adsorbing device 1 are all located on the same side.
The implementation principle and effect of implementation 3 of the application are as follows: baffle 11 in VOCs adsorption equipment 1 is provided with and separates VOCs adsorption equipment 1's inner space effectively to all concentrate on an terminal surface with the connecting mouth of pipe, make orificial connection more convenient, also saved the interior space size that occupies. On the other hand, when the adsorption of the VOCs substances is carried out, the air in the cab 6 enters the VOCs adsorption device 1 under the action of the power source 2, and flows back into the cab 6 after sequentially passing through two spaces under the action of the baffle 11, so that the effective path side length of the air passing through the VOCs adsorption device 1 is effectively ensured; when desorption is carried out, outside air enters the VOCs adsorption device 1, and the flowing direction in the VOCs adsorption device 1 is opposite to that of adsorption, so that VOCs substances are desorbed and discharged more effectively, and the desorption treatment after the adsorption of the VOCs substances in the air in the vehicle is realized.
Example 4
Referring to fig. 4, the present embodiment is different from embodiment 3 in that, on the basis of 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 is used for providing power for the air from the outside to flow into the VOCs adsorption device 1.
One end of the first adsorption tube 31, which is far away from the cab 6, is communicated with an air inlet of the adsorption power piece 21; one end of the second adsorption tube 32, which is far away from the VOCs adsorption device 1, is communicated with the air outlet of the adsorption power piece 21. One end of the first desorption tube 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 tube 42, which is far away from the VOCs adsorption apparatus 1, is communicated with the air outlet of the desorption power member 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 positioned in the air system only provides power for adsorbing the VOCs in the air in the cab 6, and the desorption power piece 22 only provides power for desorbing the VOCs adsorbed by the VOCs adsorption device 1.
Example 5
Referring to fig. 5, this embodiment is different from embodiment 1 in that in the desorption step, the blades of the power source 2 are reversely rotated. One end of the first desorption tube 41 is connected to the end surface of the VOCs adsorption device 1 connected with the third adsorption tube 33, the other end of the first desorption tube is communicated with the outside, and the filtering device 51 is arranged in the first desorption tube 41; one end of the second desorption tube 42 is connected to the end surface of the VOCs adsorption device 1 connected with the second adsorption tube 32, the other end is connected to the end surface of the power source 2 connected with the second adsorption tube 32, and the filter 52 is installed on the second desorption tube 42; one end of the third desorption tube 43 is connected to the end surface of the power source 2 communicating with the first adsorption tube 31, and the other end is communicated with the outside.
The implementation principle of embodiment 5 of the present application is different from that of embodiment 1: when desorption is carried out, the first adsorption tube 31, the second adsorption tube 32 and the third adsorption tube 33 are closed, the first desorption tube 41, the second desorption tube 42 and the third desorption tube 43 are opened, the fan blades of the power source 2 reversely rotate, external air enters the VOCs adsorption device 1 through the first desorption tube 41, the filter 52 carries out preliminary dust filtration on the air entering the VOCs adsorption device 1, the desorbed air flow passes through the VOCs adsorption device 1 and discharges the VOCs after being desorbed and volatilized by the second desorption tube 42 and the third desorption tube 43, a desorption link is completed, impurities such as external dust and the like of the filter 52 are effectively reduced, enter the VOCs adsorption device 1, and the service life of the VOCs adsorption device is prolonged.
Example 6
Referring to fig. 6, the present embodiment is different from embodiment 5 in that one end of the first desorption tube 41 is communicated with one end of the third adsorption tube 33 close to the VOCs adsorption apparatus 1, the other end is communicated with the outside, the filtering apparatus 51 is installed in the first desorption tube 41, and the control valve of the third adsorption tube 33 is located between the cab 6 and the first desorption tube 41; one end of the second desorption tube 42 is communicated with one end of the first adsorption tube 31 close to the VOCs adsorption device 1, the other end is communicated with the outside, and a control valve of the third adsorption tube 33 is positioned between the cab 6 and the second desorption tube 42.
The implementation principle of embodiment 6 of the present application is different from that of embodiment 5: during desorption, only the first adsorption tube 31 and the third adsorption tube 33 are closed, the first desorption tube 41 and the second desorption tube 42 are opened, the fan in the power source 2 reversely rotates, outside air enters the VOCs adsorption device 1 through the first desorption tube 41 and part of the third adsorption tube 33, desorption airflow entering the VOCs adsorption device 1 discharges VOCs substances desorbed and volatilized in the VOCs adsorption device 1 through the first adsorption tube 31 and the second desorption tube 42, and a desorption link is completed.
Example 7
Referring to fig. 7, the present embodiment is different from embodiment 3 in that one end of a first desorption tube 41 is connected to a port where the third adsorption tube 33 is connected to the VOCs adsorption apparatus 1, the other end is communicated with the outside, and a filtering apparatus 51 is installed on the first desorption tube 41; one end of the second desorption tube 42 is connected to a port of the second adsorption tube 32, which is communicated with the VOCs adsorption device 1, and the other end is connected to a port of the second adsorption tube 32, which is connected with the power source 2; one end of the third desorption tube 43 is connected to a port of the first adsorption tube 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 tube 43.
The implementation principle of this embodiment is different from that of embodiment 3 in that: during desorption, the first adsorption tube 31, the second adsorption tube 32 and the third adsorption tube 33 are all closed, the first desorption tube 41, the second desorption tube 42 and the third desorption tube 43 are opened, the fan blades of the power source 2 reversely rotate, external air enters into the VOCs desorption device through the first desorption tube 41 to discharge the VOCs volatilized by desorption outwards through the second desorption tube 42 and the third desorption tube 43, and the desorption of the VOCs is realized.
Example 8
Referring to fig. 8, the present embodiment is different from embodiment 7 in that one end of the first desorption tube 41 communicates with a portion of the third adsorption tube 33 close to the VOCs adsorption apparatus 1, the other end communicates with the outside, a control valve of the third adsorption tube 33 is located between the cab 6 and the first desorption tube 41, and the filtering apparatus 51 is mounted on the first desorption tube 41; one end of the second desorption tube 42 is communicated with a part of the first adsorption tube 31 close to the power source 2, the other end of the second desorption tube is communicated with the outside, and a control valve of the first adsorption tube 31 is positioned between the cab 6 and the second desorption tube 42.
The implementation principle of this embodiment is different from that of embodiment 7 in that: when in desorption, only the first adsorption tube 31 and the second adsorption tube 32 are closed, the fan blades of the power source 2 reversely rotate, external gas enters the VOCs adsorption device 1 through the first desorption tube 41 and the third adsorption tube 33, and the VOCs volatilized by desorption are discharged through the first adsorption tube 31 and the second desorption tube 42, so that desorption is completed.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (3)
1. VOCs removes air circulation system in car, its characterized in that: the device comprises a VOCs adsorption device (1) with VOCs gas adsorption or catalytic degradation function 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 tube group (3) which enables the gas in the cab (6) to enter the VOCs adsorption device (1), the adsorption tube 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 tube group (4) which enables external gas to pass through the VOCs adsorption device (1) and then be discharged;
the adsorption tube group (3) and the desorption tube group (4) are opened in a time-sharing way;
the air flowing into the VOCs adsorption device (1) through the adsorption tube group (3) and the desorption tube group (4) flows in opposite directions; the adsorption tube group (3) and the desorption tube group (4) are controlled by corresponding valves and cannot be opened at the same time;
the power source (2) is a fan in an automobile air conditioning system;
the VOCs adsorption device (1) comprises two connecting end faces through which gas passes, the two connecting end faces are positioned on the opposite outer walls of the VOCs adsorption device (1), and 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 tube (31) is communicated with an air inlet of the cab (6) for internal circulation, and the other end of the first adsorption tube is communicated with an air inlet of the power source (2); one end of the second adsorption tube (32) is communicated with an air outlet of the power source (2), the other end of the second adsorption tube is communicated with one connecting end face of the VOCs adsorption device (1), one end of the third adsorption tube (33) is communicated with the other connecting end face of the VOCs adsorption device (1), and the other end of the third adsorption tube is communicated with an inner circulation air outlet in the cab (6); the desorption tube group (4) comprises a first desorption tube (41), a second desorption tube (42) and a third desorption tube (43) which are all provided with control valves, one end of the first desorption tube (41) is communicated with the outside, and the other end of the first desorption tube is communicated with an air inlet of the power source (2); one end of the second desorption tube (42) is communicated with an air outlet of the power source (2), and the other end of the second desorption tube is connected to the end surface of the VOCs adsorption device (1) communicated with the second adsorption tube (32); one end of the third desorption tube (43) is connected to the end surface of the VOCs adsorption device (1) communicated with the first adsorption tube (31), and the other end of the third desorption tube is communicated with the outside, so that the gas flowing through the VOCs adsorption device (1) during adsorption and desorption is opposite;
or the ports of the VOCs adsorption device (1) communicated with the adsorption tube group (3) and the desorption tube group (4) are all positioned on the same side wall, and the baffle (11) for enabling the adsorbed and desorbed air flow to uniformly pass through the VOCs adsorption device is arranged inside the VOCs adsorption device (1).
2. An automotive interior VOCs removal air circulation system according to claim 1, wherein: the adsorption tube group (3) and the desorption tube group (4) are provided with a filter device (51) having a filter effect on impurities such as dust at the portions where the gas flows into the VOCs adsorption device (1).
3. An in-car VOCs removal air circulation system according to claim 2, wherein: the part of the desorption tube group (4) connected with the gas discharge end when the VOCs adsorption device (1) is desorbed is provided with a filter (52) for reducing dust and other impurities from entering the VOCs adsorption device (1).
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| CN202110997785.4A CN113771596B (en) | 2021-08-28 | 2021-08-28 | VOCs removes air circulation system in car |
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| CN202110997785.4A CN113771596B (en) | 2021-08-28 | 2021-08-28 | VOCs removes air circulation system in car |
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| DE19718355A1 (en) * | 1996-05-04 | 1997-12-11 | Volkswagen Ag | Noise reduction for motor vehicle air conditioner |
| CN102310747A (en) * | 2011-09-22 | 2012-01-11 | 山东理工大学 | Automobile room air purifying device for providing supplementary air for exhausting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106390676A (en) * | 2016-11-17 | 2017-02-15 | 南京大学环境规划设计研究院有限公司 | Energy-saving car air purifying device and process |
| CN106377975A (en) * | 2016-11-17 | 2017-02-08 | 南京大学环境规划设计研究院有限公司 | Automotive air purifier and purification method thereof |
| WO2021168280A1 (en) * | 2020-02-21 | 2021-08-26 | Marelli North America, Inc. | Vehicle air purification system with photocatalysis filtration |
| CN213138443U (en) * | 2020-08-24 | 2021-05-07 | 吴瀚文 | Vehicle-mounted integrated air purifier |
| CN213442009U (en) * | 2020-09-04 | 2021-06-15 | 上海凌耀船舶工程有限公司 | Easy-to-maintain poison filtering ventilation device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19718355A1 (en) * | 1996-05-04 | 1997-12-11 | Volkswagen Ag | Noise reduction for motor vehicle air conditioner |
| CN102310747A (en) * | 2011-09-22 | 2012-01-11 | 山东理工大学 | Automobile room air purifying device for providing supplementary air for exhausting system |
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