CN210363301U - Air purification device for passenger car - Google Patents
Air purification device for passenger car Download PDFInfo
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- CN210363301U CN210363301U CN201920924216.5U CN201920924216U CN210363301U CN 210363301 U CN210363301 U CN 210363301U CN 201920924216 U CN201920924216 U CN 201920924216U CN 210363301 U CN210363301 U CN 210363301U
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Abstract
The patent application belongs to the field of air purification technical equipment, and particularly discloses an air purification device for a passenger car, which comprises a fresh air replacement port, a heat exchanger, an adjusting valve, an intelligent control panel and an air purifier; the scheme can solve the problems of oxygen reduction and carbon dioxide accumulation in the carriage which can not be solved by the circulating air purification device, and solve the problem that the replacement air purification device can increase the energy consumption of the air conditioning equipment in the vehicle.
Description
Technical Field
The utility model discloses the application belongs to air purification technical equipment field, specifically discloses an air purification device for passenger train.
Background
Most of the existing air purifying devices for passenger cars rely on power supply in the car to supply power to a fan, generate power to push air in the car, and circulate the air to purify through the interior of the air purifying device. It is possible to sterilize and eliminate harmful gas, and such an air cleaning apparatus can be classified as a circulation type air cleaning apparatus. The circulating air purification device can not solve the problems of oxygen reduction and carbon dioxide accumulation in a sealed carriage, and a fresh air device is required to be additionally arranged.
Chinese patent nos. ZL201120095075.4 and ZL201620049856.2 disclose an automatic air cleaning device for a vehicle and a jet ventilation cleaning device, respectively, which not only satisfy the air quality of a diesel vehicle but also consume very little energy. Another chinese patent No. ZL201620706362.7 discloses a fresh air purification device for passenger cars, which can make non-diesel vehicles such as electric cars meet the air quality standard. The purification principles are the same, and the air outside the vehicle is introduced into the vehicle after being purified, and the polluted air in the vehicle is replaced and discharged outside the vehicle. Such an air cleaning apparatus can be classified as a replacement type air cleaning apparatus. The defects of the prior art are that the energy consumption of air-conditioning equipment in the automobile is increased due to the introduction of air outside the automobile, and particularly when the temperature difference between the inside and the outside of the automobile is large in winter and summer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the aforesaid is not enough, provides an air purification device for passenger train, both can solve the unable carriage interior oxygen that solves of circulating air purification device and reduce and the problem of carbon dioxide accumulation, can solve replacement air purification device again and increase the defect of the interior air conditioning equipment's of car power consumption because of the introduction new trend.
In order to achieve the above object, the basic scheme of the utility model is:
an air purification device for a passenger car comprises a fresh air replacement port arranged at the top of a carriage, and a heat exchanger, an adjusting valve, an air purifier and an intelligent control panel which are positioned in the car;
the fresh air replacement port comprises an ejector of an air medium, and an inlet of the ejector faces the advancing direction of the passenger car; an air inlet is arranged at the inlet of the ejector, an air outlet is arranged at the throat, and an air inlet pipe and an air outlet pipe which are communicated with the carriage are respectively arranged on the air inlet and the air outlet;
the heat exchanger is of a long-strip tubular structure and comprises an outer pipe and an inner pipe, and the inner pipe is provided with heat conduction fins; the air inlet pipe and the air outlet pipe are respectively communicated with the inner pipe and the outer pipe of the heat exchanger; the air flow directions of the inner pipe and the outer pipe are opposite; the air outlet end of the inner pipe is communicated with the air purifier through a valve of the regulating valve, and the outer pipe is communicated with an air return inlet in the carriage, so that air in the vehicle can be exhausted out of the vehicle from the exhaust port through the outer pipe and the exhaust pipe;
the regulating valve is a four-way valve, and the valve of the regulating valve is positioned at the joint of the return air inlet and the inner pipe; the change of the valve angle can change the proportion of fresh air outside the vehicle and air inside the vehicle in the air flow sent to the purifier;
the air purifier comprises two functional units of purification and disinfection and an induced draft fan for compensating the power shortage of the ejector, the inlet of the air evolver is communicated with the regulating valve, and the outlet of the air evolver is arranged in the carriage;
the intelligent control panel is provided with an oxygen sensor and an air pollution sensor which are used for detecting the oxygen content and the air pollution degree in the carriage, and the intelligent control panel controls the rotating speed of the draught fan and the valve angle of the regulating valve simultaneously according to the oxygen content and the air pollution degree in the carriage.
The working principle of the basic scheme is as follows:
when the passenger car runs, the air flow outside the car passes through the ejector at a high speed, and negative pressure is formed at the throat part, so that power is generated, the air outside the car is pushed to enter the carriage from the air inlet, and the air inside the car is discharged out of the car from the air outlet. When the passenger car is decelerated and stopped and the power generated by the ejector is insufficient, the rotating speed is automatically increased by the induced draft fan in the purifier for supplement.
Air (fresh air) outside the vehicle enters the heat exchanger from the air inlet, and the intelligent control panel automatically distributes proper fresh air volume through the regulating valve according to the requirement of supplementing oxygen in the vehicle and enters the purifier through the inner pipe. The fresh air is dedusted, purified, sterilized and disinfected by the purifier to become clean air and then enters the carriage. In the air entering the return air inlet of the regulating valve in the carriage, a part of the air is distributed into the inner pipe by the regulating valve, and the air and the fresh air are purified and sterilized by the purifier and then return to the carriage; the other part of the air enters the outer pipe of the heat exchanger and is exhausted out of the vehicle from the exhaust port. The air in the vehicle entering the outer tube of the heat exchanger and the fresh air can exchange heat between the inner tube and the outer tube of the heat exchanger, so that the energy loss caused by introducing the air outside the vehicle and discharging the air in the vehicle is reduced. A
The scheme sets the regulating valve to reduce the power consumption of pushing air by using the ejector, introduces fresh air outside the vehicle and regulates the proportion of the fresh air according to the requirement of supplementing oxygen in the carriage, and increases the heat exchange part to lighten the burden of an air conditioner, thereby forming the passenger car air purification device with a brand new concept. Compared with the air purifier with the same purifying capacity, the air purifier not only can sterilize and eliminate harmful gases, but also can keep the normal proportion of oxygen and carbon dioxide in the vehicle. Therefore, the air quality standard in the passenger car specified in GB/T17729 can be completely met under the condition of great energy conservation.
The scheme solves the problems of oxygen reduction and carbon dioxide accumulation in the carriage which can not be solved by the circulating air purification device, and also solves the problem of energy consumption of the replacement air purification device for increasing the air conditioning equipment in the vehicle.
Furthermore, the heat exchanger is of a strip casing structure, the outer pipe of the heat exchanger is provided with a heat insulation layer or is directly made of heat insulation materials, and the inner pipe of the heat exchanger is a metal pipe with heat conduction fins. On the premise of maintaining the special slender heat exchange channel, the heat exchange tube can be made into a ring shape or a reciprocating parallel shape with 180-degree middle bending. So as to adapt to different requirements of the design of the vehicle body. With this design, the air inlet can be arranged in front of the air outlet, i.e. the air flow inlet position of the ejector. The air inlet pipe and the air outlet pipe can be led into the carriage together only by opening a hole at one position of the roof where the ejector is installed.
Furthermore, the flow direction of the air outside the vehicle entering the inner tube and the flow direction of the air inside the vehicle entering the outer tube in the heat exchanger are opposite, and heat exchange is realized in the heat exchanger.
Furthermore, this scheme the governing valve still includes valve actuating mechanism, the actuating mechanism of valve is in rotation type electrical control valve drive and push-down electrical control valve drive arbitrary one.
Further, this scheme purification unit among the air purifier is well effect hapa filter screen + activated silicon catalytic decomposition net. The efficient filter screen can be added to further filter PM2.5 particulate matters, and various technical measures such as activated carbon adsorption, UV photolysis, low-temperature plasma decomposition and the like can be used for replacing a purification unit prepared by activated silicon catalytic decomposition to replace the purification unit used in the scheme;
furthermore, the intelligent control board is provided with an oxygen sensor and an air pollution sensor, the rotating speed of the induced draft fan is controlled according to the oxygen content and the pollution degree in the vehicle, and meanwhile, a valve driving mechanism of the regulating valve is controlled to change the angle of the valve; when the pollution in the vehicle is serious or the oxygen is insufficient, the proportion of fresh air outside the vehicle entering the purifier is increased; when the pollution is light or the oxygen is sufficient, the fresh air proportion outside the automobile is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the structure of 3 in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: a fresh air replacement port 1, an exhaust port 1-1 and an air inlet 1-2; the device comprises a heat exchanger 2, an inner pipe 2-1, an outer pipe 2-2, a regulating valve 3, a valve 3-1, a valve driving mechanism 3-2, an intelligent control board 4, an oxygen sensor 4-1, an air purifier 5, a purification unit 5-1, a disinfection unit 5-2, an induced draft fan 5-3 and an air return opening 6.
The embodiment is basically as shown in the attached figure 1:
in the figure, an arrow inside the vehicle is an airflow direction, and an arrow outside the vehicle is a driving direction; including fresh air replacement port 1, heat exchanger 2, governing valve 3, intelligent control panel 4, air purifier 5. The fresh air replacement port is an air medium ejector and is installed at the top of the carriage, and an inlet of the ejector faces the front of the passenger car. The inlet of the ejector is provided with an air inlet, the throat is provided with an air outlet, and the air outlet is communicated into the carriage through an air inlet pipe and an exhaust pipe respectively. The heat exchanger is a long tubular structure and consists of an outer tube and an inner tube, and the inner tube is provided with heat conduction fins. The air inlet pipe and the air outlet pipe are respectively communicated with the inner pipe and the outer pipe of the heat exchanger. The regulating valve is a four-way valve, and the valve is positioned at the joint of the air return inlet 6 and the inner pipe 2-1. The change of the angle of the valve 3-1 can change the proportion of fresh air outside the vehicle and air inside the vehicle in the air flow sent to the purifier; the regulating valve also comprises a valve driving mechanism, and the valve driving mechanism 3-2 is any one of a rotary electric regulating valve drive and a push rod electric regulating valve drive.
The purifier comprises a purification unit 5-1, a disinfection unit 5-2 and an induced draft fan 5-3; the purification unit is a hapa filter screen and an activated silicon catalytic decomposition screen, the disinfection unit is an ultraviolet lamp with a peak value of 253.7nm, and the induced draft fan is a centrifugal fan or a cross-flow fan with adjustable speed. The clean air outlet of the air purifier is arranged in the carriage.
The intelligent control board is provided with an oxygen sensor and an air pollution sensor and controls the valve angle of the regulating valve and the rotating speed of the draught fan in the purifier according to signals of the two sensors.
The specific implementation process and the beneficial effects are as follows:
when the automobile runs, air (fresh air) outside the automobile enters an inner pipe 2-1 of a heat exchanger 2 from an air inlet 1-2 of a fresh air replacement port, then is mixed with part of air inside the automobile entering an outer pipe of the heat exchanger 2 through an adjusting valve 3, and enters an air purifier 5; the air entering the air purifier 5 is filtered by a hapa filter screen to remove particulate matters, is adsorbed by an activated silicon catalytic decomposition screen to decompose organic pollutants in the air, and is sterilized by ultraviolet rays in an ultraviolet disinfection unit to kill harmful germs and viruses in the air, so that the clean air led into the carriage meets the standard requirement. And the rest of the air in the vehicle entering the outer pipe 2-2 of the heat exchanger 2 is discharged to the outside of the vehicle from the exhaust port 1-1 after the heat exchange of the heat exchanger. The intelligent control board 4 arranged in the scheme can automatically control the regulating valve 3 to increase the fresh air proportion to supplement oxygen in the vehicle according to the sensing signal of the sensor; meanwhile, when the passenger car is decelerated or stopped and the ejector cannot provide enough power, the intelligent control board can automatically adjust the rotating speed of the air guiding machine in the air purifier 5 to supplement the required power.
Fresh air is introduced to replace air in the vehicle to ensure the oxygen proportion in the vehicle, a heat exchanger is used to reduce energy loss to reduce the burden of an air conditioner, and a jet device is used to reduce the power consumption for pushing the air, so that a passenger vehicle air purification device with a brand new concept is formed. Compared with the air purifier with the same purifying capacity, the air purifier not only can sterilize and purify the air in the vehicle, but also can keep the normal proportion of oxygen and carbon dioxide in the vehicle under the condition of great energy conservation, thereby comprehensively meeting the air quality standard in the passenger vehicle specified in GB/T17729.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. An air purification device for a passenger car is characterized by comprising a fresh air replacement port arranged at the top of a carriage, and a heat exchanger, an adjusting valve, an air purifier and an intelligent control panel which are positioned in the car;
the fresh air replacement port comprises an ejector of an air medium, and an inlet of the ejector faces the advancing direction of the passenger car; an air inlet is arranged at the inlet of the ejector, an air outlet is arranged at the throat, and an air inlet pipe and an air outlet pipe which are communicated with the carriage are respectively arranged on the air inlet and the air outlet;
the heat exchanger is of a long-strip tubular structure and comprises an outer pipe and an inner pipe, and the inner pipe is provided with heat conduction fins; the air inlet pipe and the air outlet pipe are respectively communicated with the inner pipe and the outer pipe of the heat exchanger; the air flow directions of the inner pipe and the outer pipe are opposite; the air outlet end of the inner pipe is communicated with the air purifier through a valve of the regulating valve, and the outer pipe is communicated with an air return inlet in the carriage, so that air in the vehicle can be exhausted out of the vehicle from the exhaust port through the outer pipe and the exhaust pipe;
the regulating valve is a four-way valve, and the valve of the regulating valve is positioned at the joint of the return air inlet and the inner pipe; the change of the valve angle can change the proportion of fresh air outside the vehicle and air inside the vehicle in the air flow sent to the purifier;
the air purifier comprises two functional units of purification and disinfection and an induced draft fan for compensating the power shortage of the ejector, the inlet of the air evolver is communicated with the regulating valve, and the outlet of the air evolver is arranged in the carriage;
the intelligent control panel is provided with an oxygen sensor and an air pollution sensor which are used for detecting the oxygen content and the air pollution degree in the carriage, and the intelligent control panel controls the rotating speed of the draught fan and the valve angle of the regulating valve simultaneously according to the oxygen content and the air pollution degree in the carriage.
2. An air cleaning device for passenger car as claimed in claim 1, wherein the heat exchanger is an elongated sleeve structure, the outer tube of the heat exchanger has heat insulation layer or is made of heat insulation material directly, and the inner tube of the heat exchanger is a metal tube with heat conduction fins.
3. An air cleaning device for a passenger vehicle according to claim 1, wherein the flow direction of the outside air entering the inner tube and the flow direction of the inside air entering the outer tube in the heat exchanger are opposite, and heat exchange is performed in the heat exchanger.
4. An air cleaning apparatus for a passenger vehicle according to claim 1, wherein the control valve further includes a valve driving mechanism, and the valve driving mechanism is any one of a rotary type electric control valve drive and a push rod type electric control valve drive.
5. The air purification device for the passenger car according to claim 1, wherein the air purifier comprises a purification unit, a disinfection unit and an induced draft fan; the purification unit is a hapa filter screen and an activated silicon catalytic decomposition screen, the disinfection unit is an ultraviolet lamp with a peak value of 253.7nm, and the induced draft fan is any one of a centrifugal fan or a cross-flow fan with adjustable speed.
6. The air purification device for the passenger car according to claim 1, wherein the intelligent control board is provided with an oxygen sensor and an air pollution sensor, the rotating speed of the induced draft fan is controlled according to the oxygen content and the pollution degree in the car, and the valve driving mechanism of the regulating valve is controlled to change the valve angle; when the pollution in the vehicle is serious or the oxygen is insufficient, the proportion of fresh air outside the vehicle entering the purifier is increased; when the pollution is light or the oxygen is sufficient, the fresh air proportion outside the automobile is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924216.5U CN210363301U (en) | 2019-06-19 | 2019-06-19 | Air purification device for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924216.5U CN210363301U (en) | 2019-06-19 | 2019-06-19 | Air purification device for passenger car |
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| CN210363301U true CN210363301U (en) | 2020-04-21 |
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| CN201920924216.5U Active CN210363301U (en) | 2019-06-19 | 2019-06-19 | Air purification device for passenger car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254182A (en) * | 2019-06-19 | 2019-09-20 | 魏尚丰 | A kind of air cleaning unit for car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254182A (en) * | 2019-06-19 | 2019-09-20 | 魏尚丰 | A kind of air cleaning unit for car |
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