Commercial vehicle air conditioning system

Abstract

The utility model provides a commercial vehicle air conditioning system, and relates to the technical field of commercial vehicle parking air conditioners, the commercial vehicle air conditioning system comprises a running and parking integrated controller, and a running air conditioning compressor and a parking air conditioning compressor which are respectively connected with the running and parking integrated controller; the running and parking integrated controller is configured to control the running air conditioner compressor and the parking air conditioner compressor to be turned on and turned off according to the running state of a vehicle. Wherein when the vehicle is in a running state, the parking air conditioner compressor is kept closed; and when the vehicle is in the parking state, the running air conditioner compressor is kept closed. The parking air conditioner compressor is additionally arranged on the basis of an original vehicle air conditioner system, the structure is simple, and meanwhile the rest comfort and economical efficiency of a vehicle are improved. Meanwhile, through respective control of the driving air conditioner and the parking air conditioner, overload operation of the generator can be reduced, and the service life of the generator and the storage battery is prolonged. Meanwhile, a parking air conditioner is forbidden to be used during driving, and energy conservation and environmental protection are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to commercial vehicle parking air conditioning technical field, concretely relates to a commercial vehicle air conditioning system. BACKGROUND

[0002] The traditional vehicle air conditioner needs to use fuel as power when parking, and is used for a long time in summer, which is noisy and high in fuel consumption, so the parking air conditioner technology powered by the vehicle battery is developed. However, in the prior art, the running air conditioner and the parking air conditioner cannot be controlled separately according to the vehicle state, which may cause the following problems: the use of the air conditioner during parking leads to excessive discharge of the battery and failure to start the engine, slow refrigeration effect, and loud noise; the running air conditioner and the parking air conditioner are turned on at the same time during driving, which shortens the service life of the parking air conditioner compressor. SUMMARY

[0003] The application provides a commercial vehicle air conditioning system to at least solve one technical problem in the related art.

[0004] The application provides a commercial vehicle air conditioning system, which comprises a running-parking integrated controller, a running air conditioner compressor, and a parking air conditioner compressor connected to the running-parking integrated controller; the running-parking integrated controller is configured to control the opening and closing of the running air conditioner compressor and the parking air conditioner compressor according to the vehicle running state; wherein the parking air conditioner compressor remains closed when the vehicle is in the running state; the running air conditioner compressor remains closed when the vehicle is in the parking state.

[0005] As an optional implementation, the application further comprises a parking air conditioner button arranged on a control panel in the cab of the commercial vehicle; when the parking air conditioner button is in the closed state, the parking air conditioner compressor remains closed.

[0006] As an optional implementation, when the parking air conditioner button is in the open state and the vehicle is in the parking state, the parking air conditioner compressor is opened.

[0007] As an optional implementation, the running-parking integrated controller is connected to a generator, can obtain the phase voltage signal of the generator, and judges the vehicle running state according to the phase voltage signal of the generator.

[0008] As an optional implementation, the running-parking integrated controller is configured to obtain a handbrake signal; when the phase voltage signal of the generator is high and / or the handbrake signal is not obtained, the vehicle is in the running state; when the phase voltage signal of the generator is low and the handbrake signal is obtained, the vehicle is in the parking state.

[0009] As an optional implementation, the condenser fan and the air blower are further connected with the integrated controller, and the temperature acquisition module is further connected with the integrated controller; the integrated controller is configured to control the switching state of the condenser fan and the air blower according to the temperature signal acquired by the temperature acquisition module and the air conditioner setting temperature.

[0010] As an optional implementation, the temperature acquisition module is further connected with the integrated controller, and the pulse width modulation module is further connected with the integrated controller and the parking air conditioner compressor; the pulse width modulation module is configured to control the rotating speed of the parking air conditioner compressor according to the temperature signal acquired by the temperature acquisition module and the air conditioner setting temperature.

[0011] As an optional implementation, the parking air conditioner compressor comprises a plurality of working modes, and each working mode corresponds to a different rotating speed of the compressor.

[0012] As an optional implementation, the integrated controller is further configured to acquire a voltage signal of a vehicle storage battery and control the parking air conditioner compressor to be turned off when the voltage signal of the vehicle storage battery is lower than a preset voltage signal value.

[0013] As an optional implementation, the integrated controller is further connected with a combination instrument, and the integrated controller is further configured to control the combination instrument to output an output signal for indicating that the voltage signal of the storage battery is low when the voltage signal of the vehicle storage battery is lower than the preset voltage signal value.

[0014] In the embodiments of the present application, a commercial vehicle air conditioner system is provided, comprising an integrated controller and a running air conditioner compressor and a parking air conditioner compressor connected with the integrated controller respectively; the integrated controller is configured to control the running air conditioner compressor and the parking air conditioner compressor to be turned on and turned off according to the running state of the vehicle; when the vehicle is in a running state, the parking air conditioner compressor is kept turned off; when the vehicle is in a parking state, the running air conditioner compressor is kept turned off. The parking air conditioner compressor is added to the original vehicle air conditioner system, which is simple in structure and improves the rest comfort and economy of the vehicle. At the same time, through the separate control of the running air conditioner and the parking air conditioner, the overloading operation of the generator can be reduced, and the service life of the generator and the storage battery can be improved. At the same time, the parking air conditioner is prohibited from being used when the vehicle is running, which is energy-saving and environment-friendly. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and serve to explain the principles of the present application together with the specification.

[0016] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or the prior art description will be briefly introduced as follows. Obviously, those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0017] Figure 1 is a modular schematic diagram of a commercial vehicle air conditioning system according to an embodiment of the present application.

[0018] Figure 2 is another modular schematic diagram of a commercial vehicle air conditioning system according to an embodiment of the present application.

[0019] Reference signs

[0020] 1 integrated controller of parking and driving; 2 air conditioner compressor of driving; 3 air conditioner compressor of parking; 4 air blower; 5 condensing fan; 6 combination instrument. DETAILED DESCRIPTION

[0021] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or the prior art description will be briefly introduced as follows. Obviously, those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0022] It should be noted that the terms "first", "second", and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0023] As Figure 1As shown, the embodiment of the present application provides a commercial vehicle air conditioning system, comprising: a running and parking integrated controller 1, and a running air conditioner compressor 2 and a parking air conditioner compressor 3 connected with the running and parking integrated controller 1 respectively; the running and parking integrated controller 1 is configured to control the opening and closing of the running air conditioner compressor 2 and the parking air conditioner compressor 3 according to the vehicle running state; wherein when the vehicle is in the running state, the parking air conditioner compressor 3 remains closed; when the vehicle is in the parking state, the running air conditioner compressor 2 remains closed.

[0024] On the basis of the original vehicle air conditioning system, the parking air conditioner compressor 3 is added, which is simple in structure and improves the rest comfort and economy of the vehicle. At the same time, through the separate control of the running air conditioner and the parking air conditioner, the generator overload operation can be reduced, and the service life of the generator and the storage battery can be improved. At the same time, the use of the parking air conditioner is prohibited when running, which is energy-saving and environmentally friendly.

[0025] It should be noted that the parking air conditioner compressor 3 and the running air conditioner compressor 2 can be the same or different, and the present application does not improve the structure of the air conditioner compressor, so the selection of the air compressor can be set according to the actual situation.

[0026] As an optional implementation, it further comprises a parking air conditioner button arranged on the control panel in the cab of the commercial vehicle; when the parking air conditioner button is in the closed state, the parking air conditioner compressor remains closed.

[0027] Specifically, a parking air conditioner button is further arranged, and when the parking air conditioner button is in the closed state, the parking air conditioner compressor remains closed. The generator overload operation can be further reduced, and the service life of the generator and the storage battery can be improved.

[0028] As an optional implementation, when the parking air conditioner button is in the open state and the vehicle is in the parking state, the parking air conditioner compressor 3 is opened.

[0029] As an optional implementation, the running and parking integrated controller 1 is connected with the generator, can obtain the phase terminal voltage signal of the generator, and judges the vehicle running state according to the phase terminal voltage signal of the generator.

[0030] As an optional implementation, the running and parking integrated controller 1 is configured to obtain a hand brake signal; when the phase terminal voltage signal of the generator is high level and / or the hand brake signal is not obtained, the vehicle is in the running state; when the phase terminal voltage signal of the generator is low level and the hand brake signal is obtained, the vehicle is in the parking state.

[0031] As an optional implementation, further comprising a condensing fan 5 and a blower fan 4, respectively connected with the integrated controller 1; further comprising an indoor temperature acquisition module connected with the integrated controller 1; the integrated controller 1 is configured to control the switching state of the condensing fan 5 and the blower fan 4 according to the temperature signal acquired by the indoor temperature acquisition module and the air conditioning set temperature.

[0032] As an optional implementation, further comprising an indoor temperature acquisition module connected with the integrated controller 1, and a pulse width modulation module connected with the integrated controller 1 and the parking air conditioner compressor 3 respectively; the pulse width modulation module is configured to control the rotating speed of the parking air conditioner compressor 3 according to the temperature signal acquired by the indoor temperature acquisition module and the air conditioning set temperature.

[0033] This kind of setting mode can further improve the intelligent degree of the parking air conditioner and improve the driving comfort of the vehicle.

[0034] As an optional implementation, the parking air conditioner compressor 3 comprises a plurality of working modes, and each working mode corresponds to a different compressor rotating speed.

[0035] For example, it can be divided into high gear, medium gear, low gear, ultra-low gear and hibernation gear, and the corresponding compressor rotating speed gradually decreases to achieve rapid temperature response and energy saving and environmental protection.

[0036] As an optional implementation, the integrated controller 1 is further configured to acquire a vehicle battery voltage signal, and control the parking air conditioner compressor 3 to be closed when the vehicle battery voltage signal is lower than a preset voltage signal value.

[0037] In this implementation, the parking air conditioner compressor 3 can be controlled to be closed when the vehicle battery voltage signal is lower than the preset voltage signal value, and the parking air conditioner compressor 3 can be controlled to be opened when the vehicle battery voltage signal is higher than the preset voltage signal value, the vehicle is in the parking state, and the parking air conditioner button is opened.

[0038] As an optional implementation, further comprising a combination instrument 6 connected with the integrated controller; the integrated controller is further configured to control the combination instrument 6 to output an output signal for indicating that the battery voltage signal is low when the vehicle battery voltage signal is lower than the preset voltage signal value.

[0039] As Figure 2As shown, the following specific embodiments can be set up, when the line-park integrated controller 1 detects that the generator phase terminal voltage signal is high, it is judged that the whole vehicle is in the driving state, at this time, the parking air conditioner cannot be started, the driving air conditioner button is pressed, the corresponding working indicator light is lit, the driving air conditioner compressor 2, the blower 4 and the condenser fan 5 are started, and the driving air conditioner starts to work, at this time, the parking air conditioner button is pressed, and the working indicator light cannot be lit. When the line-park integrated controller 1 detects that the generator phase terminal voltage signal is low, and there is a hand brake signal input, it is judged that the whole vehicle is in the parking state, at this time, the driving air conditioner cannot be started, the parking air conditioner button is pressed, the corresponding working indicator light is lit, the parking air conditioner compressor 3, the blower 4 and the condenser fan 5 are started, and the parking air conditioner starts to work, at this time, the driving air conditioner button is pressed, and the working indicator light cannot be lit. After the parking air conditioner is turned on, the first default wind speed is the highest gear, the air volume can be adjusted by itself, the mode is forced to blow the face, the cold and warm is forced to the coldest, and the circulation is forced to the internal circulation (45 minutes switching once 1 minute external circulation ventilation). The air conditioner controller detects the indoor temperature signal, compares it with the set temperature, controls the start and stop of the condenser fan through the temperature difference, adjusts the parking air conditioner compressor 3 speed through PWM output, switches different working modes (high speed, medium speed, low speed, ultra-low speed, hibernation), realizes fast temperature response and achieves the purpose of energy saving and environmental protection. The air conditioner controller detects the battery voltage signal, when it is lower than the preset voltage threshold U1, the parking air conditioner is turned off, the output signal is given to the combination instrument 6, the driver is reminded that the whole vehicle voltage is low, the engine needs to be started to charge, the battery over-discharge is effectively avoided, the engine cannot be started, and the battery life is improved. Only when the battery voltage is higher than the preset voltage threshold U2, the parking air conditioner is allowed to be started.

[0040] The above embodiment numbers of the application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0041] The integrated units in the above embodiments, if realized in the form of software function units and sold or used as independent products, can be stored in the above computer readable storage medium. Based on such understanding, the technical solutions of the application or the whole or part of the part that contributes to the prior art can be embodied in the form of software products, which are stored in the storage medium and include a plurality of instructions for making one or more electronic devices (which can be personal computers, servers or network devices, etc.) execute all or part of the steps of the method described in each embodiment of the application.

[0042] In the above embodiments of the application, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0043] In several embodiments provided in the present application, it should be understood that the disclosed client can be implemented in other manners. Of course, the described apparatus embodiments are merely schematic, for example, the division of the units is only a logical function division, and there can be another division manner in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between different units, or the among different units, can be indirect couplings or communication connections through some interfaces, units or modules, and can be in electrical or other forms.

[0044] The units described as separated components can or can not be physically separated, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. In actual implementation, some or all of the units can be selected according to actual needs to achieve the purposes of the solutions provided in the embodiments.

[0045] In addition, each functional unit in the embodiments of the present application can be integrated in a processing unit, or each unit can exist physically as a separate unit, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware, or in the form of a software functional unit.

[0046] In the above-described embodiments of the present application, the description of each embodiment is focused on different aspects, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0047] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A commercial vehicle air conditioning system, characterized in that, include: The vehicle air conditioning compressor and the parking air conditioning compressor are respectively connected to the vehicle air conditioning compressor; The integrated driving and parking controller is configured to control the on / off of the driving air conditioning compressor and the parking air conditioning compressor respectively according to the vehicle's driving status; wherein, when the vehicle is in motion, the parking air conditioning compressor remains off; and when the vehicle is parked, the driving air conditioning compressor remains off. The integrated driving and parking controller is connected to the generator, and can acquire the phase terminal voltage signal of the generator and determine the vehicle driving status based on the phase terminal voltage signal of the generator. The integrated driving and parking controller is configured to acquire a handbrake signal; when the generator phase voltage signal is high and / or the handbrake signal is not acquired, the vehicle is in the driving state; when the generator phase voltage signal is low and the handbrake signal is acquired, the vehicle is in the parking state.

2. The commercial vehicle air conditioning system as described in claim 1, characterized in that, It also includes a parking air conditioning button, which is located on the control panel inside the commercial vehicle's cab; when the parking air conditioning button is in the off state, the parking air conditioning compressor remains off.

3. The commercial vehicle air conditioning system as described in claim 2, characterized in that, When the parking air conditioning button is in the "on" position and the vehicle is in the "parking" position, the parking air conditioning compressor is turned on.

4. The commercial vehicle air conditioning system as described in claim 1, characterized in that, It also includes a condenser fan and a blower, which are respectively connected to the integrated travel and parking controller; It also includes an in-vehicle temperature acquisition module, which is connected to the driving and parking integrated controller; the driving and parking integrated controller is configured to control the on / off state of the condenser fan and the blower based on the temperature signal acquired by the in-vehicle temperature acquisition module and the air conditioning set temperature.

5. The commercial vehicle air conditioning system as described in claim 1, characterized in that, It also includes an in-vehicle temperature acquisition module connected to the driving and parking integrated controller, and a pulse width modulation module connected to the driving and parking integrated controller and the parking air conditioning compressor respectively; the pulse width modulation module is configured to control the speed of the parking air conditioning compressor according to the temperature signal acquired by the in-vehicle temperature acquisition module and the air conditioning set temperature.

6. The commercial vehicle air conditioning system as described in claim 1, characterized in that, The parking air conditioning compressor includes multiple operating modes, each corresponding to a different compressor speed.

7. The commercial vehicle air conditioning system as described in claim 1, characterized in that, The integrated parking controller is also configured to acquire the vehicle battery voltage signal and control the parking air conditioning compressor to shut down when the vehicle battery voltage signal is lower than a preset voltage signal value.

8. The commercial vehicle air conditioning system as described in claim 7, characterized in that, Also includes: The instrument cluster is connected to the driving and parking integrated controller; the driving and parking integrated controller is also configured to control the instrument cluster to output an output signal to indicate that the battery voltage signal is low when the vehicle battery voltage signal is lower than a preset voltage signal value.

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