CN110525167B - Commercial vehicle air conditioner control system - Google Patents
Commercial vehicle air conditioner control system Download PDFInfo
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- CN110525167B CN110525167B CN201910785427.XA CN201910785427A CN110525167B CN 110525167 B CN110525167 B CN 110525167B CN 201910785427 A CN201910785427 A CN 201910785427A CN 110525167 B CN110525167 B CN 110525167B
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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
- B60H1/00007—Combined heating, ventilating, or cooling 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/0065—Control members, e.g. levers or knobs
- B60H1/00657—Remote control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to the technical field of automobile control systems, and discloses a commercial vehicle air conditioner control system, which comprises: the system comprises an air conditioner, a remote control unit, a voice control module and an in-vehicle control unit. The invention has the beneficial effects that: the remote control of the commercial vehicle air conditioner can be realized, the ventilation, pre-cooling and pre-heating of a remote cab can be realized, and the driving comfort of a driver is improved; the voice control of the air conditioner of the commercial vehicle can be realized, a driver does not need to manually operate the air conditioner any more, the operation convenience is improved, traffic accidents caused by the operation of the air conditioner by the driver are avoided, and the driving safety is improved; and also enables remote software upgrades.
Description
Technical Field
The invention relates to the technical field of automobile control systems, in particular to a commercial vehicle air conditioner control system.
Background
At present, the air conditioner of the domestic commercial vehicle has single control form and function, the control of the air conditioning system can be realized only by manual operation of a driver in a cab, the operation is inconvenient, and a plurality of defects exist. For example, in summer, the weather is hot, the vehicle is exposed to the sun for a long time, the temperature in the vehicle can reach 50 ℃, and the air conditioning system can regulate the temperature in the vehicle to a comfortable temperature within 20-30 min. In winter, the weather is cold, and the similar problem exists, so that the driving feeling of a driver is seriously influenced.
In addition, in the driving process, a truck driver often needs to operate the air conditioner controller at a low head, the operation process is easy to distract, and the driver loses the front view in a short time, so that certain safety risk is caused.
Meanwhile, the existing commercial vehicle air conditioner control system cannot perform remote software upgrading, can not enjoy the function and performance improvement brought by subsequent software updating from delivery, and is time-consuming, labor-consuming and expensive in replacement of the air conditioner controller.
Disclosure of Invention
The invention aims to provide a commercial vehicle air conditioner control system to solve the problems that an air conditioner cannot be started remotely in advance, cannot be controlled in a short range and cannot be upgraded in a remote software system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a commercial vehicle air conditioning control system comprising:
an air conditioner;
the remote control unit comprises a background server and a mobile terminal, wherein the mobile terminal is in communication connection with the background server and sends out a first air conditioner control instruction, and the background server sends out a software upgrading instruction and a software package for system upgrading;
the voice control module receives the specific voice signal and sends a second air conditioner control instruction;
the in-vehicle control unit comprises a central control module, a CAN communication module and a wireless receiving module, wherein the wireless receiving module is in communication connection with the background server, the CAN communication module is respectively connected with the central control module, the wireless receiving module and the voice control module through CAN buses, and the central control module is connected with the air conditioner;
the central control module controls the air conditioner according to the first air conditioner control instruction or the second air conditioner control instruction, and the central control module carries out software upgrading according to the software upgrading instruction and the software package.
As an optimal scheme of the commercial vehicle air conditioner control system, the commercial vehicle air conditioner control system further comprises a storage battery, a power module and a key switch, wherein the storage battery is connected with the power module, the key switch is connected with the power module, and the power module is at least connected with the central control module and the CAN communication module.
As an optimal scheme of the commercial vehicle air conditioner control system, the power module comprises a power body, an enabling control pin and an enabling control triode, two ends of the enabling control pin are respectively connected with the power body and the central control module, and two ends of the enabling control triode are respectively connected with the power body and the CAN communication module.
As a preferable scheme of the air conditioner control system for the commercial vehicle, after the enable control pin is switched on to a low level, the power module is enabled, and then the system is in an awakening state; after the enable control foot is disconnected, the system is in a sleep state.
As a preferable scheme of the air-conditioning control system for the commercial vehicle, when the CAN communication module receives a message or the key switch is switched from an OFF gear to an ACC/ON gear, the power module is enabled, and the system is switched from the sleep state to the wake-up state.
As a preferred scheme of the above commercial vehicle air conditioner control system, when the CAN communication module receives a message, the base of the enable control triode receives the instantaneous high level of the CAN communication module, so that the enable control triode is turned on, and meanwhile, the enable control pin receives an instantaneous enable signal, so that the power module is enabled.
As a preferable scheme of the air-conditioning control system for the commercial vehicle, when the key switch is switched from the OFF gear to the ACC/ON gear, the key switch ACC of the key switch outputs a high level signal, the key switch ACC output is connected to the base of the enable control triode to turn ON the enable control triode, and the enable control pin receives an instantaneous enable signal, so that the power module is enabled.
As a preferable scheme of the air conditioning control system for the commercial vehicle, the software package is encrypted when being sent to the wireless receiving module.
The invention has the beneficial effects that: the remote control of the commercial vehicle air conditioner can be realized, the ventilation, pre-cooling and pre-heating of a remote cab can be realized, and the driving comfort of a driver is improved; the voice control of the air conditioner of the commercial vehicle can be realized, a driver does not need to manually operate the air conditioner any more, the operation convenience is improved, traffic accidents caused by the operation of the air conditioner by the driver are avoided, and the driving safety is improved; remote software upgrading can be realized.
Drawings
FIG. 1 is a block diagram of a commercial vehicle air conditioning control system in accordance with an embodiment of the present invention;
fig. 2 is a connection diagram of a power supply part of a commercial vehicle air conditioner control system according to an embodiment of the invention.
In the figure:
1-a storage battery; 2-a power supply module; 3-a key switch; 4-a central control module; 5, air conditioning; 6-CAN communication module; 7-a wireless receiving module; 8-a voice control module; 9-background server; 10-a mobile terminal; 21-a power supply body; 22-enable control pin; 23-enabling the control triode; 31-Key switch ACC output.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The invention provides a commercial vehicle air conditioner control system which is used for controlling an air conditioner in a vehicle by remote or short-range voice.
As shown in fig. 1, the commercial vehicle air conditioner control system comprises a storage battery 1, a power module 2, a key switch 3, a central control module 4, an air conditioner 5, a CAN communication module 6, a wireless receiving module 7, a voice control module 8, a background server 9 and a mobile terminal 10, wherein the background server 9 and the mobile terminal 10 are both located outside a vehicle compartment and form a remote control unit; the voice control module 8 is arranged in the carriage, and the central control module 4, the CAN communication module 6 and the wireless receiving module 7 form an in-vehicle control unit.
The remote control unit realizes that the air conditioner is remotely controlled to operate when a user is not in the vehicle, and the voice control module 8 realizes that the user can control the operation of the air conditioner only by speaking without manual operation in the vehicle.
The power supply of the air conditioner control system is provided by a storage battery 1, and a 24V power supply provided by the storage battery 1 is converted into 5V/12V power through a power supply module 2 to supply power for an air conditioner and other loads needing power supply.
The power module 2 stops supplying power to the central control module 4 and other modules, at this time, the air conditioner control system is in a sleep state, otherwise, the air conditioner control system is in an awakening state when the power module 2 is in a normal power supply state. The method for awakening the air conditioner control system comprises the steps that the key switch 3 is switched to an ACC/ON gear from an OFF gear, and the CAN communication module 6 receives a message.
Referring to fig. 1 to 2, the power module 2 includes a power main body 21, an enable control pin 22 and an enable control transistor 23, two ends of the enable control pin 22 are respectively connected to the power main body 21 and the central control module 4, and two ends of the enable control transistor 23 are respectively connected to the power main body 21 and the CAN communication module 6.
Note that the quiescent current in the sleep state is not more than 1 mA.
The method for remotely controlling the air conditioner comprises the following steps: mobile terminal 10 utilizes the APP about air conditioner control to transmit first air conditioner control instruction to backend server 9 through communication network, and backend server 9 sends first air conditioner control instruction to wireless receiving module 7 again, and wireless receiving module 7 sends first air conditioner control instruction to CAN communication module 6 through the CAN bus again, and CAN communication module 6 passes through CAN bus with first air conditioner control instruction and conveys central control module 4 afterwards, and central control module 4 is according to this instruction control air conditioner 5.
For example, the content of the first control instruction may include; the air conditioner was turned on and the temperature was adjusted to 26 ℃.
When the central control module 4 drives the air conditioner 5, the air conditioner control system needs to be woken up first. The wake-up process is as follows:
the CAN communication module 6 is instantaneously activated when receiving the bus message, and simultaneously gives an instantaneous high level to the base level of the enabling control triode 23 of the power module 2, so that the enabling control triode 23 is conducted, and at the moment, the enabling control pin 22 of the power module 2 receives an instantaneous enabling signal, so that the power module 2 is enabled. The power supply module 2 is enabled to recover the power supply to the central control module 4, the central control module 4 recovers the power supply and sends a normal low-level enabling signal to the power supply module enabling control pin 22 at the same time, the central control module 4 recovers the power supply, and the air conditioner control system is awakened to be finished.
It should be noted that the central control module 4 receives the control signal from the CAN communication module 6 while being awakened, and the central control module 4 drives the air conditioner 5 to operate according to the content of the control signal. Meanwhile, the central control module 4 transmits the driven air conditioner state signal back through a reverse path of the control signal, namely the CAN communication module 6 → the wireless receiving module 7 → the background server 9 → the mobile terminal 10, and the mobile terminal 10 displays the corresponding control state on the APP interface according to the received air conditioner state signal. And remote air conditioner state monitoring and remote air conditioner control are realized.
Further, when the air conditioner is controlled by using the language, the key switch 3 should be in the ON position, and the air conditioner control system is in the wake-up state.
Specifically, the user speaks a specific language signal, for example, (hello, liberate) awakens the language control module 8, the user speaks a voice operation command after the voice control module 8 is awakened, the voice control module 8 correctly recognizes the voice operation command and then sends the operation command to the central control module 4 through the CAN communication module 6, and the central control module 4 drives the air conditioner 5 to act according to the received operation command to complete the voice control of the air conditioner.
The method for controlling the air conditioner control system to wake up by the key switch 3 comprises the following steps:
when the key switch 3 is switched from OFF to ACC/ON, the key switch ACC output 31 outputs a high level signal of 24V, the key switch ACC output 31 is connected to the base of the enabling control triode 23, the enabling control triode 23 is turned ON, and the enabling control pin 22 of the power module 2 receives an instantaneous enabling signal, so that the power module 2 is enabled; when the power module 2 is enabled, the power supply to the central control module 4 is restored, and the central control module 4 provides a normal enable signal to the enable control pin 22 of the power module 2 while the power supply to the central control module 4 is restored, so that the central control module 4 restores the power supply.
Further, the air conditioner control system can also carry out remote software upgrading, and the method comprises the following steps: software upgrading personnel store a software package to be upgraded in the background server 9 and send a software upgrading command at the same time, the background server 9 sends the software upgrading command to the wireless receiving module 7 through a wireless network, optionally, the background server 9 encrypts the software upgrading command through the wireless network and sends the encrypted software upgrading command to the wireless receiving module 7, and the wireless receiving module 7 decrypts and stores the software upgrading package. Meanwhile, the wireless receiving module 7 sends the software upgrading command to the central control module 4 through the CAN communication module 6, the central control module 4 judges whether the software upgrading condition is met after receiving the command, and if the software upgrading condition is not met, the software upgrading command is repeatedly sent until the software upgrading condition is met. If the software upgrading condition is met, the central control module 4 feeds back a command meeting the writing condition to the wireless receiving module 7 through the CAN communication module 6, and the wireless receiving module 7 carries out software upgrading on the central control module 4 through a CAN bus. And if the software upgrading fails, upgrading again. And after the software upgrading is completed, completing the remote software upgrading.
It should be noted that, when performing a remote software upgrade, the system is in an awake state.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A commercial vehicle air conditioner control system, comprising:
an air conditioner (5);
the remote control unit comprises a background server (9) and a mobile terminal (10), wherein the mobile terminal (10) is in communication connection with the background server (9) and sends a first air conditioner control instruction, and the background server (9) sends a software upgrading instruction and a software package for system upgrading;
the voice control module (8) receives the specific voice signal and sends a second air conditioner control instruction;
the in-vehicle control unit comprises a central control module (4), a CAN communication module (6) and a wireless receiving module (7), the wireless receiving module (7) is in communication connection with the background server (9), the CAN communication module (6) is respectively connected with the central control module (4), the wireless receiving module (7) and the voice control module (8) through CAN buses, and the central control module (4) is connected with the air conditioner (5); and
the power module (2) comprises a power main body (21), an enabling control pin (22) and an enabling control triode (23), wherein two ends of the enabling control pin (22) are respectively connected with the power main body (21) and the central control module (4), and two ends of the enabling control triode (23) are respectively connected with the power main body (21) and the CAN communication module (6);
the central control module (4) controls the air conditioner (5) according to the first air conditioner control instruction or the second air conditioner control instruction, and the central control module (4) carries out software upgrading according to the software upgrading instruction and the software package.
2. The commercial vehicle air conditioner control system according to claim 1, characterized by further comprising a storage battery (1) and a key switch (3), wherein the storage battery (1) is connected with the power module (2), and the key switch (3) is connected with the power module (2).
3. The air-conditioning control system for the commercial vehicle as claimed in claim 2, characterized in that after the enable control pin (22) is switched on to a low level, the power module (2) is enabled, and the system is in a wake-up state; after the enable control foot (22) is disconnected, the system is in a sleep state.
4. The air-conditioning control system for the commercial vehicle as claimed in claim 3, characterized in that when the CAN communication module (6) receives a message or the key switch (3) is switched from an OFF gear to an ACC/ON gear, the power module (2) is enabled, and the system is switched from the sleep state to the wake state.
5. The air conditioning control system for the commercial vehicle according to claim 4, characterized in that when the CAN communication module (6) receives the message, the base of the enable control triode (23) receives the instantaneous high level of the CAN communication module (6) to cause the enable control triode (23) to be conducted, and simultaneously the enable control pin (22) receives an instantaneous enable signal, so that the power module (2) is enabled.
6. The air conditioning control system for the commercial vehicle according to claim 4, characterized in that when the key switch (3) is switched from the OFF position to the ACC/ON position, the key switch ACC output (31) of the key switch (3) outputs a high level signal, the key switch ACC output (31) is connected to the base stage of the enable control transistor (23) to cause the enable control transistor (23) to conduct, and the enable control pin (22) receives a transient enable signal, so that the power module (2) is enabled.
7. The air conditioning control system for commercial vehicles according to claim 1, characterized in that the software package is encrypted when being sent to the wireless receiving module (7).
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| CN201910785427.XA CN110525167B (en) | 2019-08-23 | 2019-08-23 | Commercial vehicle air conditioner control system |
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| CN201910785427.XA CN110525167B (en) | 2019-08-23 | 2019-08-23 | Commercial vehicle air conditioner control system |
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| CN110525167B true CN110525167B (en) | 2020-11-10 |
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| CN111562933B (en) * | 2020-04-23 | 2023-08-01 | Tcl空调器(中山)有限公司 | Air conditioner upgrading method and air conditioner system |
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