CN115122866A - Air conditioning system, control method of air conditioning system and engineering vehicle - Google Patents
Air conditioning system, control method of air conditioning system and engineering vehicle Download PDFInfo
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- CN115122866A CN115122866A CN202210732768.2A CN202210732768A CN115122866A CN 115122866 A CN115122866 A CN 115122866A CN 202210732768 A CN202210732768 A CN 202210732768A CN 115122866 A CN115122866 A CN 115122866A
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- air
- conditioning system
- temperature
- air conditioning
- mounting bracket
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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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
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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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
-
- 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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
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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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to the field of engineering machinery, and particularly relates to an air conditioning system, a control method of the air conditioning system and an engineering vehicle, wherein the air conditioning system comprises an air conditioning host arranged on a bottom plate in a cab and a seat mounting bracket in the cab; the seat mounting bracket is of a box body structure, a front side plate of the seat mounting bracket is provided with a front air port, a rear side plate of the seat mounting bracket is provided with a rear air port, and the inner side of a top plate of the seat mounting bracket is provided with a fan heater; an air inlet of the air conditioner main machine is communicated with a rear air inlet of the rear side plate through an air duct I; the seat mounting bracket is also internally provided with a temperature sensor for detecting the air outlet temperature of the fan heater, the air-conditioning host is also internally provided with a temperature sensor, and the temperature sensor in the air-conditioning host is used for detecting the temperature of the cooling liquid flowing through the air-conditioning host. The air conditioning system comprises a generator cooling liquid heating device and a heater fan heating device. Before the temperature of the engine coolant is not reached, and under the condition that the electric quantity of the storage battery is sufficient, heating can be provided through the warm air blower.
Description
Technical Field
The invention belongs to the field of engineering machinery, and particularly relates to an air conditioning system, a control method of the air conditioning system and an engineering vehicle.
Background
The air conditioning system of the existing engineering vehicle usually utilizes engine coolant to heat the interior of a cab, but in cold winter, when the vehicle is just started, the coolant temperature is low, meanwhile, the temperature of the engine coolant rises slowly, and the vehicle cannot heat in time, and the air conditioning system does not meet the requirement of rapid heating of a driver. At present, the maximum wind speed of the air conditioning system of the engineering vehicle is limited according to the temperature of the cooling liquid, and the wind speed of an air blowing port of the air conditioner cannot be freely controlled before the temperature of the cooling liquid is not increased to fifty-three degrees.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an air conditioning system which can provide heating through a fan heater under the condition that the electric quantity of a storage battery is sufficient before the temperature of the cooling liquid of an engine is not increased.
The invention is realized by the following technical scheme: an air conditioning system comprises an air conditioning host arranged on a bottom plate in a cab and a seat mounting bracket in the cab; the seat mounting bracket is of a box body structure, a front side plate of the seat mounting bracket is provided with a front air port, a rear side plate of the seat mounting bracket is provided with a rear air port, and a warm air blower is arranged on the inner side of a top plate of the seat mounting bracket; an air port of the air conditioner main machine is communicated with a rear air port of the rear side plate through an air duct I; still be equipped with the temperature sensor who is used for detecting electric fan heater air-out temperature in the seat installing support, also be equipped with temperature sensor in the air conditioner host computer, temperature sensor in the air conditioner host computer is used for detecting the temperature of the coolant liquid of flowing through the air conditioner host computer.
Furthermore, the air port of the air conditioner main machine is connected with the interior of the cab through an air duct II, and the interior of the cab is provided with a face blowing air port and a defrosting air port.
Furthermore, a side air inlet is formed in the right side plate of the seat mounting bracket and is connected with an air duct II through an air duct III; the fan heater is provided with two blowing surfaces, one blowing surface of the fan heater faces to the front air port, and the other blowing surface of the fan heater faces to the side air port.
Furthermore, the fan heater adopts multi-gear control.
Further, the front air opening is formed by a plurality of long round holes which are arranged in an array mode.
Further, the air conditioning system is controlled by an ECU, and a control interface is integrated on a meter.
Further, this air conditioning system still is equipped with power supply identification module, and power supply identification module is used for detecting the electric quantity of the storage battery of giving the electric fan heater power supply.
The invention also provides a control method adopting the air conditioning system, when the air conditioning system starts a heating mode, the air conditioning system firstly detects the temperature of the cooling liquid flowing through the air conditioning host;
when the temperature of the cooling liquid is detected to be higher than the lowest air outlet temperature of the fan heater, the air conditioning system heats by using the air conditioning host;
when the temperature of the cooling liquid is detected to be not higher than the lowest air outlet temperature of the fan heater, the power supply identification module detects the electric quantity of the storage battery; if the electric quantity of the storage battery meets the power supply condition, a warm air blower is started to heat, and when the electric quantity of the storage battery does not meet the power supply condition, an air conditioner host is used for heating;
when the warm air blower supplies heat, when the temperature of the cooling liquid flowing through the air conditioner host machine is detected to be higher than the temperature of the air outlet of the warm air blower, the air conditioner system automatically closes the warm air blower and uses the air conditioner host machine for heating.
The invention further provides an engineering vehicle comprising the air conditioning system.
The invention has the beneficial effects that: the air conditioning system comprises two modes of heating by using the cooling liquid of the generator and heating by the heater. Before the temperature of engine coolant has not come, and under the sufficient condition of storage battery electric quantity, can provide the heating through the electric fan heater for the driver's cabin temperature can go up in earlier promotion, makes the driver can obtain warm operating space more fast.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the seat mounting bracket of the present invention;
FIG. 3 is a schematic bottom view of the seat mounting bracket of the present invention;
FIG. 4 is a schematic structural diagram of a fan heater according to the present invention;
FIG. 5 is a flow chart of the control of the present invention;
in the figure, the air conditioner comprises air channels 1, air channels III, 2, air channels II, 3, an air conditioner main unit, 4, air channels I, 5, a seat mounting bracket 51, a front side plate 52, a rear side plate 53, a right side plate 54, a front air opening 55, a rear air opening 56, side air openings 57, a top plate 6 and a fan heater.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
As shown in fig. 1 to 4, an air conditioning system includes an air conditioner main unit 3 mounted on an inner floor of a cab and a seat mounting bracket 5 in the cab. Seat installing support 5 is bottom open-ended box structure, and seat installing support 5's left side board and right side board 53 all carry out the L type in the bottom and bend, and left side board and right side board 53 all are equipped with the bolt hole on the flat board that forms after bending, and seat installing support 5 passes through the bolt and is connected with the inside bottom plate of driver's cabin.
The front side plate 51 of the seat mounting bracket 5 is provided with a front air opening 54, warm air entering the seat mounting bracket 5 can be used for supplying heat to the position where the legs of a driver are located through the front air opening 54, and preferably, the front air opening 54 is formed by a plurality of long round holes which are arranged in an array.
The rear side plate 52 of the seat mounting bracket 5 is provided with a rear air opening 55, the air opening of the air conditioner main unit 3 is communicated with the rear air opening 55 of the rear side plate 52 through an air duct I4, and sealing sponge is stuck at the joints at the two ends of the air duct I4 to ensure the sealing performance of the air duct I4. When the air conditioner main unit 3 heats, warm air blown out from the air conditioner main unit 3 can pass through the air duct i 4 and the rear air inlet 55 of the rear side plate 52 in sequence and enter the seat mounting bracket 5.
The warm air blower 6 is arranged on the inner side of a top plate 57 of the seat mounting bracket 5, and the warm air blower 6 is controlled to be started and stopped by a relay. Before the temperature of the cooling liquid flowing through the air conditioner main machine 3 is not raised, and under the condition that the electric quantity of a storage battery of a vehicle is sufficient, the warm air blower 6 can be started to heat. The air conditioning system is provided with a power supply identification module, and the power supply identification module is used for detecting the electric quantity of a storage battery supplying power to the fan heater 6. The air conditioning system is provided with a set value which can supply power to the warm air blower by the storage battery, when the electric quantity of the storage battery is higher than the set value, the storage battery can supply power to the warm air blower 6, otherwise, the electric energy cannot be supplied to the warm air blower 6.
Still be equipped with the temperature sensor who is used for detecting 6 air-out temperatures of electric fan heater in the seat installing support 5, also be equipped with temperature sensor in the air conditioner host computer 3, temperature sensor in the air conditioner host computer 3 is used for detecting the temperature of the coolant liquid of flowing through the air conditioner host computer 3. The temperature values obtained by the two temperature sensors are used for determining whether the air conditioning system is heated by the fan heater or the air conditioning host.
Preferably, the air port of the air conditioner main unit 3 is further connected with the cab interior through an air duct ii 2, the cab interior is provided with a blowing port and a defrosting port, the blowing port and the defrosting port are designed to be identical to those of the existing cab interior of the vehicle, the blowing port is arranged towards the driver, the defrosting port is arranged towards the vehicle glass, and the blowing port and the defrosting port can be independently controlled to be opened and closed. Sealing sponges are stuck at the joints at the two ends of the air duct II 2, so that the sealing performance of the air duct II 2 is guaranteed.
Preferably, the right side plate 53 of the seat mounting bracket 5 is provided with a side air port 56, the side air port 56 is connected with the air duct ii 2 through the air duct iii 1, and a sealing sponge is stuck at the interface at the two ends of the air duct iii 1 to ensure the sealing performance of the air duct iii 1. The warm air blower 6 is provided with two blowing surfaces, one blowing surface of the warm air blower 6 faces the front air opening 54, and the other blowing surface of the warm air blower 6 faces the side air opening 56. The warm air provided by the warm air blower 6 can also sequentially pass through the air duct III 1 and the air duct II 2 to be used for supplying a face blowing air opening and a defrosting air opening.
Preferably, the warm air blower 6 adopts multi-gear control, the multi-gear control of the warm air blower 6 includes temperature multi-gear control and wind speed multi-gear control, and the heating size and the blowing wind speed size of the warm air blower 6 can be adjusted.
The air conditioning system is controlled by an ECU, and a control interface is integrated on an instrument.
As shown in fig. 1 to 5, the present invention further provides a control method using the air conditioning system, when the air conditioning system starts the heating mode, the air conditioning system first detects the temperature of the cooling fluid flowing through the air conditioning main unit 3.
When the temperature of the cooling liquid is detected to be higher than the lowest air outlet temperature of the fan heater 6, namely the temperature of the cooling liquid is higher than the heating temperature of the lowest gear of the fan heater 6 at the moment, the fan heater 6 is not needed to be adopted for heating, and the air conditioning system directly uses the air conditioning host 3 for heating.
When the temperature of the cooling liquid is detected to be not higher than the lowest air outlet temperature of the fan heater 6, the power supply identification module detects the electric quantity of the storage battery again. And if the electric quantity of the storage battery meets the power supply condition, namely the electric quantity of the storage battery is higher than a set value which can be supplied to the warm air blower 6 by the storage battery, starting the warm air blower 6 to heat. When the electric quantity of storage battery unsatisfied power supply condition, the electric quantity of storage battery is not higher than the setting value that the storage battery can provide the power supply for electric fan heater 6 promptly, then uses air conditioner host computer 3 to heat.
When the warm air blower 6 supplies heat, when the temperature of the cooling liquid flowing through the air conditioner main unit 3 is detected to be higher than the temperature of the air outlet of the warm air blower 6, the air conditioner system automatically turns off the warm air blower 6, and the air conditioner main unit 3 is used for heating.
The invention also provides a construction vehicle which comprises the air conditioning system, and a driver driving the construction vehicle can obtain a warm operation space more quickly through the air conditioning system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. An air conditioning system characterized by: comprises an air conditioner main unit (3) arranged on a bottom plate in a cab and a seat mounting bracket (5) in the cab; the seat mounting bracket (5) is of a box structure, a front side plate (51) of the seat mounting bracket (5) is provided with a front air opening (54), a rear side plate (52) of the seat mounting bracket (5) is provided with a rear air opening (55), and the inner side of a top plate (57) of the seat mounting bracket (5) is provided with a fan heater (6); an air port of the air conditioner main machine (3) is communicated with a rear air port (55) of the rear side plate (52) through an air duct I (4); still be equipped with the temperature sensor who is used for detecting electric fan heater (6) air-out temperature in seat installing support (5), also be equipped with temperature sensor in air conditioner host computer (3), temperature sensor in air conditioner host computer (3) is used for detecting the temperature of the coolant liquid of flowing through air conditioner host computer (3).
2. The air conditioning system of claim 1, wherein: the air port of the air conditioner main unit (3) is also connected with the cab interior trim through an air duct II (2), and the cab interior trim is provided with a face blowing air port and a defrosting air port.
3. The air conditioning system of claim 2, wherein: a right side plate (53) of the seat mounting bracket (5) is provided with a side air inlet (56), and the side air inlet (56) is connected with an air channel II (2) through an air channel III (1); the fan heater (6) is provided with two blowing surfaces, one blowing surface of the fan heater (6) faces the front air opening (54), and the other blowing surface of the fan heater (6) faces the side air opening (56).
4. The air conditioning system of claim 3, wherein: the fan heater (6) adopts multi-gear control.
5. The air conditioning system of claim 1, wherein: the front air opening (54) is formed by a plurality of long round holes which are arranged in an array.
6. An air conditioning system as claimed in any one of claims 1 to 5, wherein: the air conditioning system is controlled by an ECU, and a control interface is integrated on an instrument.
7. The air conditioning system of claim 6, wherein: the air conditioning system is also provided with a power supply identification module, and the power supply identification module is used for detecting the electric quantity of a storage battery supplying power to the fan heater (6).
8. A control method using the air conditioning system according to claim 7, characterized in that: when the air-conditioning system starts a heating mode, the air-conditioning system firstly detects the temperature of cooling liquid flowing through an air-conditioning host (3);
when the temperature of the cooling liquid is detected to be higher than the lowest air outlet temperature of the fan heater (6), the air conditioning system heats by using the air conditioning host (3);
when the temperature of the cooling liquid is detected to be not higher than the lowest air outlet temperature of the fan heater (6), the power supply identification module detects the electric quantity of the storage battery; if the electric quantity of the storage battery meets the power supply condition, a warm air blower (6) is started to heat, and when the electric quantity of the storage battery does not meet the power supply condition, an air-conditioning host (3) is used to heat;
when the warm air blower (6) supplies heat, when the temperature of the cooling liquid flowing through the air conditioner main unit (3) is detected to be higher than the temperature of the air outlet of the warm air blower (6), the air conditioner system automatically turns off the warm air blower (6) and heats by using the air conditioner main unit (3).
9. A work vehicle, characterized in that: comprising an air conditioning system as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732768.2A CN115122866A (en) | 2022-06-27 | 2022-06-27 | Air conditioning system, control method of air conditioning system and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732768.2A CN115122866A (en) | 2022-06-27 | 2022-06-27 | Air conditioning system, control method of air conditioning system and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115122866A true CN115122866A (en) | 2022-09-30 |
Family
ID=83379815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210732768.2A Pending CN115122866A (en) | 2022-06-27 | 2022-06-27 | Air conditioning system, control method of air conditioning system and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115122866A (en) |
-
2022
- 2022-06-27 CN CN202210732768.2A patent/CN115122866A/en active Pending
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