CN209776086U - commercial vehicle air conditioning device with auxiliary heating function - Google Patents
commercial vehicle air conditioning device with auxiliary heating function Download PDFInfo
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- CN209776086U CN209776086U CN201821994709.8U CN201821994709U CN209776086U CN 209776086 U CN209776086 U CN 209776086U CN 201821994709 U CN201821994709 U CN 201821994709U CN 209776086 U CN209776086 U CN 209776086U
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- ptc
- air conditioner
- control panel
- auxiliary heating
- body assembly
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Abstract
The utility model relates to a commercial vehicle air conditioning device with auxiliary heating function, which comprises an air conditioning box body assembly, a wire harness and an air conditioning control panel assembly; the air conditioner box body assembly comprises a PTC electric heating module, a warm air core body assembly and a PTC control signal connector; the PTC electric heating module is characterized in that a PTC auxiliary heating button is installed on the air conditioner control panel assembly, the warm air core body assembly is communicated with a water inlet and a water outlet of the engine, a power end of the PTC electric heating module is connected with a vehicle-mounted 24V power supply through a wiring harness, and a PTC control signal connector on the PTC electric heating module is connected with the air conditioner control panel assembly through the wiring harness. The utility model has the advantages of simple structure, low cost and high reliability, satisfy a large amount of commercial car users' user demand.
Description
Technical Field
The utility model relates to a commercial car air conditioning equipment, concretely relates to commercial car air conditioning equipment with auxiliary heating function.
Background
in recent years, as the market of commercial vehicles is mature day by day, the requirement of users on driving comfort is improved day by day, and the air conditioning technology of the commercial vehicles is continuously innovated. The conventional commercial vehicle air conditioner heats by means of waste heat generated by the work of an engine, heat is brought into an air conditioner warm air core body through engine cooling liquid, and then air heat exchange is carried out to convey the heat into a cab. The disadvantages of this approach are: the user has the circumstances of stopping at the driver's cabin rest in the long-distance transportation process, and the engine stop work this moment, and the air conditioner warm braw can't carry out the heating, if needs the heating then need start the engine, not only consumes a large amount of fuel to engine wear and tear can be accelerated in long-term idle work, therefore need one kind to have driving, the dual mode of parking all possesses the commercial car air conditioner of heating function urgently.
The existing commercial vehicle mostly adopts a fuel oil type heater to realize a parking heating function, the core of the existing commercial vehicle is a set of independent heating device, the heat of the existing commercial vehicle is derived from fuel oil combustion, but the existing commercial vehicle cannot be organically combined with a driving air conditioning system in use and control, the cost of the whole vehicle is greatly increased, a large space in the vehicle is occupied, and the inconvenience in operation and the cost waste are caused. On the other hand, in the field of new energy vehicles, because of no waste heat of an engine, the vehicle heating is mostly performed by adopting a high-voltage PTC (positive temperature coefficient) thermistor, which is called PTC electric heating for short, and the vehicle heating system is characterized in that the PTC self generates heat and exchanges heat through air by adopting 300-500V high voltage to pass through a PTC module.
Disclosure of Invention
The utility model aims at providing a commercial car air conditioning equipment with supplementary heating function does not increase fuel oil heater, does not increase high-power dc-to-ac converter, has realized taking parking heating and driving auxiliary heating function, has simple structure, low-cost and high reliability's advantage, satisfies a large amount of commercial car users' user demand.
The purpose of the invention is realized by the following technical scheme:
A commercial vehicle air conditioning device with auxiliary heating function comprises an air conditioning box body assembly 1, a wire harness 2 and an air conditioning control panel assembly 3; the air conditioner box body assembly 1 comprises a PTC electric heating module 1a, a warm air core body assembly 1b and a PTC control signal connector 1 c; the air conditioner control panel assembly 3 is provided with a PTC auxiliary heating button 3a, the warm air core body assembly 1b is communicated with a water inlet and a water outlet of an engine, a power supply end of the PTC electric heating module 1a is connected with a vehicle-mounted 24V power supply through a wiring harness 2, and a PTC control signal connector 1c on the PTC electric heating module 1a is connected with the air conditioner control panel assembly 3 through the wiring harness 2.
As a more excellent technical solution of the utility model: the air conditioner box body assembly 1 is internally provided with an air outlet temperature sensor which is used for measuring the air outlet temperature and forming an electric signal to be transmitted to the air conditioner control panel assembly.
As a more excellent technical solution of the utility model: the air conditioner control panel assembly 3 comprises a control logic module and is used for automatically switching the PTC working state according to an electric signal provided by the air conditioner box body assembly 1.
As a more excellent technical solution of the utility model: the air conditioner control panel assembly 3 comprises a PTC timing module, and the service time is set when the PTC works alone so as to save electric energy.
As a more excellent technical solution of the utility model: the air conditioner control panel assembly 3 comprises a low-voltage protection module, and the PTC heating function can be automatically turned off when the voltage of the PTC terminal is lower than 23.5V, so that the condition of power shortage of the vehicle-mounted power supply is prevented.
As a more excellent technical solution of the utility model: air conditioner box assembly 1 include PTC module fixed plate and end cover, conveniently carry out PTC module and install additional or the maintenance.
As a more excellent technical solution of the utility model: the air conditioner control panel assembly 1 is an air conditioner controller with PTC start-stop control and power regulation functions; the wiring harness 2 is a wiring harness for connecting the air-conditioning control panel assembly 3 and the air-conditioning control panel assembly 1.
the utility model has the advantages as follows:
1. The current independent warm braw of fuel formula of contrast, the utility model discloses have and not increase fuel heater, work and do not consume the fuel, do not have emission, energy-concerving and environment-protective, low cost and the advantage of practicing thrift the space.
2. Contrast high-voltage PTC electrical heating, the utility model has the advantages of need not increase the dc-to-ac converter, directly supply power with the on-vehicle power, system compatibility is strong, the installation is simple, convenient operation, with low costs, good reliability and energy consumption relative altitude.
3. Match the utility model discloses a commercial car motorcycle type only needs to increase the cost of 200-300 yuan of RMB can realize the function of parking heating and driving auxiliary heating, compares and fires independent warm braw of oil formula and high-pressure PTC warm braw and practice thrift about 2000 yuan of cost.
To sum up, the utility model discloses a 24V direct current PTC electrical heating can use the vehicle mounted power on the traditional energy car, does not increase the dc-to-ac converter and can use, arranges low pressure direct current PTC module in original air conditioner box, can with the warm braw core simultaneous working of utilizing the engine waste heat in the former system, realizes driving auxiliary heating, also can be under the parking state, engine stop work time exclusive work realizes the function of parking heating.
Drawings
FIG. 1 is a schematic view of a commercial vehicle air conditioning apparatus with auxiliary heating function according to the present invention;
3 FIG. 3 2 3 is 3a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3A 3- 3A 3 of 3 FIG. 3 1 3; 3
Wherein:
1. an air-conditioning box body assembly, 2, a wire harness,
1a, a PTC electric heating module, 3, an air-conditioning control panel assembly,
1b, a warm air core body assembly, 3a and a PTC auxiliary heating button,
1c, a PTC control signal connector.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model provides a commercial vehicle air conditioning device with auxiliary heating function, which comprises an air conditioning box body assembly 1, a wire harness 2 and an air conditioning control panel assembly 3; the air conditioner box body assembly 1 comprises a PTC electric heating module 1a, a warm air core body assembly 1b and a PTC control signal connector 1 c; the air conditioner control panel assembly 3 is provided with a PTC auxiliary heating button 3a, the warm air core body assembly 1b is communicated with a water inlet and a water outlet of an engine, a power supply end of the PTC electric heating module 1a is connected with a vehicle-mounted 24V power supply through a wiring harness 2, and a PTC control signal connector 1c on the PTC electric heating module 1a is connected with the air conditioner control panel assembly 3 through the wiring harness 2. The air conditioner box body assembly 1 is internally provided with an air outlet temperature sensor which can measure the air outlet temperature and form an electric signal to be transmitted to the air conditioner control panel assembly. The air conditioner control panel assembly 3 comprises a control logic module and has the function of automatically switching the PTC working state according to an electric signal provided by the air conditioner box body assembly 1. An automatic temperature control program is preset in the air conditioner control panel assembly 3, and the temperature set by a user can be compared with the air outlet temperature of the air conditioner box body assembly 1, so that the heating power of the PTC electric heating module 1b is adjusted. The air conditioner control panel assembly 3 comprises a PTC timing module, and the PTC timing module can be used for setting the service time when the PTC works independently, so that the electric energy is saved, and inconvenience caused by the fact that a user stands up to close the PTC in the rest process is prevented. The air conditioner control panel assembly 3 comprises a low-voltage protection module, the PTC heating function can be automatically turned off when the voltage of the PTC terminal is lower than 23.5V, the condition of power shortage of the vehicle-mounted power supply is prevented, the voltage detection function can judge the state of the vehicle-mounted power supply according to the voltage value of the PTC electric heating module 1b, and the PTC electric heating function is automatically turned off when necessary to protect the vehicle-mounted power supply. Air conditioner box assembly 1 include PTC module fixed plate and end cover, conveniently carry out PTC module and install additional or the maintenance. The air conditioner control panel assembly 1 is an air conditioner controller with PTC start-stop control and power regulation functions; the wiring harness 2 is a wiring harness for connecting the air-conditioning control panel assembly 3 and the air-conditioning control panel assembly 1.
The working process of the utility model is as follows:
When the warm air core assembly 1b is installed on a commercial vehicle, the warm air core assembly 1b is connected with a water inlet and a water outlet of an engine, engine cooling liquid is introduced into the warm air core assembly 1b, and when the temperature of working cooling liquid of the engine rises, the air conditioner box body assembly can utilize the heat of the engine cooling liquid to perform cab heating. On the other hand, the power end of the PTC electric heating module 1a in the air conditioner box body assembly 1 is connected with a vehicle-mounted 24V power supply (generally, a large-capacity storage battery or a lithium battery) through a wiring harness 2, and the signal end of the PTC electric heating module is connected with a PTC auxiliary heating button 3a of an air conditioner control panel assembly 3 through the wiring harness 2. When a user uses the device, the device is started by operating the PTC auxiliary heating button 3a on the air conditioner control panel assembly 3, the PTC motor hot module starts to work, the fan is automatically started by the air conditioner box body assembly 1, and the air door valve plate is switched to a heating face blowing and foot blowing mode to start heating for a cab. If the vehicle is in a driving state, the warm air core body assembly 1b and the PTC electric heating module 1a are arranged in the air conditioner box body assembly 1 for heating, the cab is heated rapidly, when the air outlet temperature of the air conditioner box body assembly 1 reaches a set value, an electric signal is sent to the air conditioner control panel assembly 3, and the air conditioner control panel assembly 3 controls the PTC electric heating module to stop working; if the vehicle is in a parking state, the air conditioner control panel assembly 3 can control the PTC electric heating module 1a to work at the maximum power, only the PTC electric heating module 1a in the air conditioner box body assembly 1 is used for heating a cab independently at the moment, and when the air conditioner control panel assembly 3 detects that the terminal voltage of the PTC electric heating module 1a is lower than 23.5V, a control signal can be sent out to close the PTC electric heating function so as to prevent the vehicle-mounted power supply from being lack of power.
the air conditioner box body assembly 1 can be internally provided with a PTC electric heating module 1a and a warm air core body assembly 1b which are arranged in series, the warm air core body assembly 1b is arranged in front, the PTC electric heating module 1a is arranged behind, and the PTC electric heating module 1a and the warm air core body assembly are kept at a certain distance by a fixed structure. When the cold air passes through, the PTC electric heating module 1a and the heater core assembly 1b can both heat the cold air.
Claims (6)
1. The utility model provides a commercial car air conditioning equipment with auxiliary heating function which characterized in that: the air conditioner comprises an air conditioner box body assembly (1), a wire harness (2) and an air conditioner control panel assembly (3); the air conditioner box body assembly (1) comprises a PTC electric heating module (1a), a warm air core body assembly (1b) and a PTC control signal connector (1 c); the air conditioner control panel assembly (3) is provided with a PTC auxiliary heating button (3a), the warm air core body assembly (1b) is communicated with a water inlet and a water outlet of an engine, a power supply end of the PTC electric heating module (1a) is connected with a vehicle-mounted power supply through a wiring harness (2), and a PTC control signal connector (1c) is connected with the PTC auxiliary heating button (3a) of the air conditioner control panel assembly (3) through the wiring harness (2).
2. A commercial vehicle air conditioning unit with auxiliary heating function as claimed in claim 1, characterized in that: an air outlet temperature sensor is arranged in the air conditioner box body assembly (1).
3. A commercial vehicle air conditioning unit with auxiliary heating function as claimed in claim 1, characterized in that: the air conditioner control panel assembly (3) comprises a control logic module.
4. A commercial vehicle air conditioning unit with auxiliary heating function as claimed in claim 1, characterized in that: the air conditioner control panel assembly (3) comprises a PTC timing module.
5. A commercial vehicle air conditioning unit with auxiliary heating function as claimed in claim 1, characterized in that: the air conditioner control panel assembly (3) comprises a low-voltage protection module.
6. A commercial vehicle air conditioning unit with auxiliary heating function as claimed in claim 1, characterized in that: the air conditioner box body assembly (1) comprises a PTC module fixing plate and an end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994709.8U CN209776086U (en) | 2018-11-30 | 2018-11-30 | commercial vehicle air conditioning device with auxiliary heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994709.8U CN209776086U (en) | 2018-11-30 | 2018-11-30 | commercial vehicle air conditioning device with auxiliary heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209776086U true CN209776086U (en) | 2019-12-13 |
Family
ID=68788116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821994709.8U Active CN209776086U (en) | 2018-11-30 | 2018-11-30 | commercial vehicle air conditioning device with auxiliary heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209776086U (en) |
-
2018
- 2018-11-30 CN CN201821994709.8U patent/CN209776086U/en active Active
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