CN212353535U - Air quality subregion adjusting device in bus - Google Patents
Air quality subregion adjusting device in bus Download PDFInfo
- Publication number
- CN212353535U CN212353535U CN202021120952.4U CN202021120952U CN212353535U CN 212353535 U CN212353535 U CN 212353535U CN 202021120952 U CN202021120952 U CN 202021120952U CN 212353535 U CN212353535 U CN 212353535U
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- air
- carbon dioxide
- carriage
- controller
- bus
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Abstract
The utility model relates to a bus in-car air quality zone adjusting device, which comprises a carriage, a fresh air machine, an air duct connected with the fresh air machine, a heater, a plurality of electric air valves, a carbon dioxide sensor and a controller electrically connected with the carbon dioxide sensor, wherein the controller is electrically connected with the fresh air machine and the electric air valves, the air duct comprises a main air duct and branch air ducts, the main air duct is connected with the fresh air machine, the branch air ducts are connected with the main air duct, air outlets are arranged on the branch air ducts, each branch air duct is provided with an electric air valve, the carriage is divided into a plurality of zones, at least one branch air duct and the carbon dioxide sensor are arranged in each zone, the controller is configured to receive the detection signal of the carbon dioxide sensor and compare the detection value with the set threshold value of carbon dioxide, when the carbon dioxide detection value in a certain zone exceeds the set threshold value, and the controller controls the electric air valve in the subarea to be opened and controls the fresh air machine to be started.
Description
Technical Field
The utility model relates to a vehicle breather, especially a bus interior air quality subregion adjusting device.
Background
As an important vehicle, the bus has the advantages of large passenger capacity and high safety, and the number of buses is large in a large city, so that the traffic pressure can be effectively relieved. However, during rush hours, a lot of passengers go out, the carriage is generally crowded, especially in winter, the vehicle windows are closed, when the bus runs, the air quality in the carriage is poor, the carbon dioxide concentration is high, so that a lot of passengers feel oppressed, and the passengers close to the window are unwilling to open the vehicle windows because the window is opened and cold air is directly blown to the passengers, especially for a large-sized bus, the number of people in the carriage is large, the oppressive feeling is more obvious, and the air is blocked and easy to spread diseases, so that viruses are stored in the carriage for a long time, and therefore, the problem of poor air quality in the carriage in winter is very necessary to solve.
The present invention is provided in view of this point.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an air quality subregion adjusting device in bus car, can improve the interior air quality of carriage winter, guarantee the travelling comfort of riding.
In order to realize the purpose, the utility model adopts the following technical scheme:
an air quality zone adjusting device in a bus comprises a carriage, a fresh air fan arranged at the top of the carriage, an air duct connected with the fresh air fan, a heater arranged in the air duct, a plurality of electric air valves and a plurality of air valves,
a carbon dioxide sensor for detecting the concentration of carbon dioxide in the vehicle compartment;
the controller is electrically connected with the fresh air machine and the electric air valve and controls the fresh air machine and the electric air valve to act;
the air channel comprises a main air channel and a branch air channel, and the main air channel is arranged at the top of the carriage and is connected with the new fan; the air conditioner comprises a main air duct, a plurality of branch air ducts, a plurality of electric air valves and a plurality of air outlets, wherein the main air duct is connected with the branch air ducts;
the vehicle compartment is divided into a plurality of subareas, at least one branch air duct and a carbon dioxide sensor are arranged in each subarea, the controller is configured to receive a detection signal of the carbon dioxide sensor and compare a detection value with a set threshold value of carbon dioxide, and when the detection value of the carbon dioxide in a certain subarea exceeds the set threshold value, the controller controls the electric air valve in the subarea to be opened and controls the fresh air fan to be started so as to provide fresh air for the subarea.
Further, the carriage rear end is equipped with the gas vent to install the exhaust valve, the exhaust valve is connected with the controller electricity, the controller still configures to and controls the exhaust valve and open when controlling electronic blast gate and opening.
The controller is further configured to receive detection signals of the humidity sensors, compare detection values with set threshold values of humidity, and when the humidity value in a certain partition exceeds the set threshold values, the controller controls the electric air valves in the partition to be opened and controls the fresh air fans to be started so as to provide fresh air for the partition.
Further, the carbon dioxide sensor and the humidity sensor are fixedly arranged on the side wall of the carriage.
Furthermore, the main air duct is in a strip shape and is arranged in parallel with the length direction of the carriage, the branch air duct is in an inverted U shape, the top of the branch air duct is connected with the main air duct, and the air outlet is provided with a plurality of round or polygonal holes arranged at the tail end of the branch air duct.
Further, the top of the carriage is also provided with a rain shelter which covers the upper part of the fresh air fan.
Furthermore, the electric air valve is also provided with a manual switch for manually controlling the action of the electric air valve.
Adopt technical scheme after, bring following beneficial effect:
the utility model discloses divide into a plurality of subregion with the carriage is inside, the air quality of this subregion is confirmed through the carbon dioxide concentration who detects every subregion, and when the air quality does not reach standard, start the new fan and provide fresh air to this subregion, can pertinence improve certain subregion like this, especially the intensive regional air quality of personnel, avoid in a large amount of external cold air gets into the carriage, lead to the interior temperature reduction of carriage, or increase the operation burden of heater, when satisfying energy-conservation, effectively improved the air quality in the carriage, more comfortable carriage environment has been built.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
FIG. 2: the first embodiment of the utility model has a schematic diagram after partial structure is removed;
FIG. 3: is a front view of fig. 2;
FIG. 4: the utility model discloses an electric connection schematic diagram of embodiment one;
FIG. 5: the second embodiment of the utility model has the front view after partial structure is removed;
FIG. 6: the second embodiment of the present invention is an electrical connection schematic diagram;
wherein: 1. the device comprises a carriage 2, a fresh air fan 3, a controller 4, a heater 5, an electric air valve 6, a carbon dioxide sensor 7, a humidity sensor 8, a main air duct 9, a branch air duct 10, an exhaust valve 11 and a rain shelter.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 4, the arrows in fig. 3 represent the airflow direction. A device for adjusting the air quality in a bus in a partitioned mode comprises a carriage 1, a fresh air fan 2, an air duct, a heater 4, an electric air valve 5, a carbon dioxide sensor 6 and a controller 3. Fresh air machine 2 installs at carriage 1 top, is equipped with filter equipment in fresh air machine 2, the wind channel is connected with fresh air machine 2 for introduce the inside in carriage 1 with outside air, heater 4 installs in the wind channel to be connected with controller 3 electricity, be used for the air that the heating got into the wind channel. The electric air valves 5 are multiple and are respectively and electrically connected with the controller 3. The carbon dioxide sensor 6 is used for detecting the concentration of carbon dioxide in the carriage 1, the controller 3 is further electrically connected with the carbon dioxide sensor 6 and the fresh air fan 2, and the controller 3 receives a detection signal of the carbon dioxide sensor 6 and controls the fresh air fan 2 and the electric air valve 5 to act.
Specifically, the air duct includes a main air duct 8 and a branch air duct 9, the main air duct 8 is disposed at the top of the carriage 1 and has an air inlet, the air inlet is connected with the new fan 2, and the heater 4 is installed near the air inlet. The air conditioner is characterized in that the plurality of branch air ducts 9 are connected with the main air duct 8, air outlets are formed in the branch air ducts 9, each branch air duct 9 is provided with an electric air valve 5, and each electric air valve 5 is used for closing or opening the air outlet.
The vehicle cabin 1 is divided into a plurality of subareas, each subarea is internally provided with at least one branch air duct 9 and a carbon dioxide sensor 6, preferably, the width of each subarea is about 2m, the controller 3 is a single chip microcomputer, an I/O port of the controller is connected with each carbon dioxide sensor 6 through a communication line and is used for receiving a detection signal of the carbon dioxide sensor 6 and comparing the detection value with a set threshold value of carbon dioxide, the set threshold value is preferably 1000ppm, and when the detection value of the carbon dioxide in a certain subarea exceeds 1000ppm, the controller 3 controls the electric air valve 5 in the subarea to be opened and controls the fresh air fan 2 to start and operate so as to provide fresh air for the subarea. Preferably, the new fan 2 is a variable speed fan, and the controller 3 can control the rotation speed of the fan according to the number of the opened electric air valves 5, wherein the rotation speed of the fan is faster when the number of the opened electric air valves 5 is larger.
Preferably, the number of the fresh air blowers 2 is two, the two fresh air blowers are arranged in front of each other, and the two fresh air blowers 2 are configured to act synchronously.
Generally, when the fresh air blower 2 is operated, air in the cabin 1 can escape to the outside atmosphere through gaps at windows and doors of the vehicle due to the increased pressure in the cabin 1, but in order to improve the ventilation efficiency, it is preferable that an exhaust port is provided at the rear end of the cabin 1 and an exhaust valve 10 is installed. Exhaust valve 10 is connected with controller 3 electricity, and when controller 3 control electronic blast gate 5 opened, also synchronous control exhaust valve 10 opened, makes outside fresh air constantly get into carriage 1 like this, and the foul air in carriage 1 is also discharged outside carriage 1 simultaneously.
Preferably, the main air duct 8 is in a long strip shape and is arranged in parallel with the length direction of the carriage 1, the branch air duct 9 is in an inverted U shape, the top of the branch air duct is connected with the main air duct 8, the air outlet is a plurality of circular or polygonal holes arranged at the tail end of the branch air duct 9, and the diameter of each hole is not more than 6mm, so that air outlet is more moderate and uniform.
Preferably, the top of the carriage 1 is further provided with a canopy 11, and the canopy 11 covers the upper part of the fresh air fan 2.
Preferably, the electric air valve 5 is further provided with a manual switch for manually controlling the action of the electric air valve 5.
Preferably, the carbon dioxide sensor 6 is fixedly mounted on the side wall of the vehicle compartment 1.
Example two
As shown in fig. 5 and 6, the arrows in fig. 5 represent the airflow direction. The difference between the embodiment and the first embodiment is that the air quality partition adjusting device in the bus further includes a plurality of humidity sensors 7, the number of the humidity sensors 7 is the same as that of the carbon dioxide sensors 6, at least one humidity sensor 7 is provided in each partition of the vehicle cabin 1, the humidity sensor 7 is electrically connected to the controller 3, the controller 3 receives a detection signal of the humidity sensor 7 and compares the detection value with a set threshold of humidity, the set threshold is preferably 70% of relative humidity, and when the humidity value in a certain partition exceeds 70%, the controller 3 controls the electric air valve 5 in the partition to open and controls the fresh air fan 2 to start so as to provide fresh air to the partition and reduce the humidity value of the partition.
The humidity sensor 7 is also fixedly installed on the side wall of the carriage 1 and close to the carbon dioxide sensor 6.
In the present embodiment, when any one of the carbon dioxide detection value and the humidity detection value in the partition exceeds the set threshold, the controller 3 controls the fresh air blower 2 to start, and controls the electric air valve 5 in the partition to open, so that fresh air enters the partition.
The utility model discloses a carry out the purpose that the accurate adjustment improved to the air quality in the carriage 1, solved the poor problem of air quality in the carriage 1 winter, external fresh air can be by the accurate leading-in poor subregion of air quality moreover, has avoided a large amount of outside cold air to get into carriage 1, has better energy-conserving effect and better travelling comfort, has built better riding space for the passenger.
The above description is an embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and this should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an air quality subregion adjusting device in bus, includes the carriage, installs the new fan at the carriage top, the wind channel of being connected with new fan, installs the heater in the wind channel to and a plurality of electronic blast gate, its characterized in that: also comprises the following steps of (1) preparing,
a carbon dioxide sensor for detecting the concentration of carbon dioxide in the vehicle compartment;
the controller is electrically connected with the fresh air machine and the electric air valve and controls the fresh air machine and the electric air valve to act;
the air channel comprises a main air channel and a branch air channel, and the main air channel is arranged at the top of the carriage and is connected with the new fan; the air conditioner comprises a main air duct, a plurality of branch air ducts, a plurality of electric air valves and a plurality of air outlets, wherein the main air duct is connected with the branch air ducts;
the vehicle compartment is divided into a plurality of subareas, at least one branch air duct and a carbon dioxide sensor are arranged in each subarea, the controller is configured to receive a detection signal of the carbon dioxide sensor and compare a detection value with a set threshold value of carbon dioxide, and when the detection value of the carbon dioxide in a certain subarea exceeds the set threshold value, the controller controls the electric air valve in the subarea to be opened and controls the fresh air fan to be started so as to provide fresh air for the subarea.
2. The device for regulating the air quality in the bus in a subarea according to the claim 1 is characterized in that: the rear end of the carriage is provided with an exhaust port, an exhaust valve is installed on the rear end of the carriage, the exhaust valve is electrically connected with the controller, and the controller is further configured to control the exhaust valve to be opened while controlling the electric air valve to be opened.
3. The device for regulating the air quality in the bus in a subarea according to the claim 1 is characterized in that: the controller is further configured to receive detection signals of the humidity sensors, compare detection values with set threshold values of humidity, and when the humidity value in a certain partition exceeds the set threshold values, the controller controls the electric air valves in the partition to be opened and controls the fresh air fans to be started so as to provide fresh air for the partition.
4. The device for regulating the air quality in the bus according to claim 3, wherein: and the carbon dioxide sensor and the humidity sensor are fixedly arranged on the side wall of the carriage.
5. The device for regulating the air quality in the bus in a subarea according to the claim 1 is characterized in that: the main air duct is in a strip shape and is arranged in parallel with the length direction of the carriage, the branch air duct is in an inverted U shape, the top of the branch air duct is connected with the main air duct, and the air outlet is a plurality of round or polygonal holes formed in the tail end of the branch air duct.
6. The device for regulating the air quality in the bus in a subarea according to the claim 1 is characterized in that: the top of the carriage is also provided with a rain shelter which covers the upper part of the fresh air fan.
7. The device for regulating the air quality in the bus in a subarea according to the claim 1 is characterized in that: the electric air valve is also provided with a manual switch for manually controlling the action of the electric air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021120952.4U CN212353535U (en) | 2020-06-17 | 2020-06-17 | Air quality subregion adjusting device in bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021120952.4U CN212353535U (en) | 2020-06-17 | 2020-06-17 | Air quality subregion adjusting device in bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212353535U true CN212353535U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021120952.4U Expired - Fee Related CN212353535U (en) | 2020-06-17 | 2020-06-17 | Air quality subregion adjusting device in bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212353535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751460A (en) * | 2022-12-06 | 2023-03-07 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| WO2023246900A1 (en) * | 2022-06-22 | 2023-12-28 | 美的集团武汉暖通设备有限公司 | Fresh air system control method, fresh air system, and air conditioner |
-
2020
- 2020-06-17 CN CN202021120952.4U patent/CN212353535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023246900A1 (en) * | 2022-06-22 | 2023-12-28 | 美的集团武汉暖通设备有限公司 | Fresh air system control method, fresh air system, and air conditioner |
| CN115751460A (en) * | 2022-12-06 | 2023-03-07 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210617 |