Pickup air conditioning system special for right rudder

Abstract

The utility model discloses a pickup truck air conditioning system special for a right rudder, which comprises a warm air blower, an air blower, an air conditioning control system, a compressor, a speed regulation module, an evaporator defrosting sensor, a cooling and heating motor, a mode motor and a circulating motor, the warm air blower, the air blower, the compressor, the speed regulation module, the evaporator defrosting sensor, the cooling and heating motor, the mode motor and the circulation motor are all connected with the air conditioner control system through pipelines or wire harnesses. The PWM speed regulation range of the compressor is 1500-3200 rpm, the cooling requirements of passengers and batteries are met, the energy consumption of the whole vehicle is reduced, and the endurance of the whole vehicle is prolonged; meanwhile, return air and external temperature values are collected through a return air inlet temperature sensor and an environment temperature sensor, and accurate control over the opening degree of an air door of a whole vehicle air conditioner and the rotating speed of a compressor through a controller is better facilitated; the platform design is adopted, cooling and heating are integrated, single cooling, fuel oil and electric driving are all suitable, the purposes of one-time mold opening and multi-state use are achieved, and repeated development is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning systems, and specifically relates to an air conditioning system for a right-hand drive special pickup truck. Background Art

[0002] As is well known, a pickup truck is one type of vehicle. A pickup truck, also known as a car-based truck, is a vehicle model that adopts a car head and cab, and at the same time has an open truck carriage. It combines the dual characteristics of a passenger car and a commercial vehicle (both for passengers and goods), and has significant characteristics of a unit and family utility vehicle; secondly, its structure is diversified to meet a wider range of needs (two-door or four-door, long cargo box or short cargo box, two-wheel drive or four-wheel drive, gasoline or diesel engine). Compared with a sedan, it has the advantages of load-carrying capacity and passability, and compared with a light truck and a micro truck, it has the advantages of safety and ride comfort.

[0003] However, due to the significant differences in the cab layout between right-hand drive vehicles and left-hand drive vehicles, the traditional left-hand drive HVAC assembly cannot be directly applied to right-hand drive vehicles and cannot meet the usage requirements of right-hand drive vehicles. Therefore, we propose an air conditioning system for a right-hand drive special pickup truck to solve the above-mentioned problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide an air conditioning system for a right-hand drive special pickup truck to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An air conditioning system for a right-hand drive special pickup truck includes: a heater, a blower, an air conditioning control system, a compressor, a speed regulation module, an evaporator defrost sensor, a cold and warm motor, a mode motor, and a circulation motor. The heater, blower, compressor, speed regulation module, evaporator defrost sensor, cold and warm motor, mode motor, and circulation motor are all connected to the air conditioning control system through wiring harnesses.

[0007] As a further scheme of the utility model: The compressor is controlled by PWM to avoid the resonance point, with a frequency FS: 400Hz ± 10%, a speed regulation range of 1500 - 3200 rpm corresponding to a duty cycle range of 5% - 95%, and a linear relationship: 5% is the lowest speed, 95% is the highest speed. At the two points of 62.5% and 68.75% of the duty cycle, the program skips to avoid vehicle resonance.

[0008] As a further scheme of the utility model: The compressor adopts a rear-out structure, effectively improving the waterproof effect of the plug and avoiding the hidden danger of water ingress when the plug is upward.

[0009] As a further solution of the utility model: the air-conditioning system also includes a return air temperature sensor and an ambient temperature sensor to collect return air and outside temperature values, which is more conducive to the controller to accurately control the air door opening and compressor speed of the vehicle air-conditioning.

[0010] As a further solution of the utility model: the air-conditioning system adopts a platform design and is applicable to integrated heating and cooling, cooling only, fuel and electric.

[0011] As a further solution of the utility model: the PTC control includes a PTC NTC sensor and a PTC temperature control switch, the PTC heater is made of thermistor material and a heat dissipation wave plate, the PTC temperature control switch is a sudden jump temperature switch, and the NTC feeds back the temperature signal to the controller-VCU. After judgment, the VCU sends an instruction to the controller, the controller instructs the thermostat to close, and the PTC starts heating.

[0012] As a further solution of the utility model: the air conditioning system is provided with a plurality of groups of cross recessed pan head self-tapping screws, and the components are assembled and fixed by the plurality of groups of cross recessed pan head self-tapping screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The right-hand drive pickup truck air conditioning system has a PWM speed regulation range of 1500-3200rpm for the compressor, which meets the cooling needs of passengers and batteries, reduces vehicle energy consumption, and increases vehicle endurance. At the same time, the return air temperature sensor and the ambient temperature sensor are used to collect the return air and outside temperature values, which is more conducive to the controller to accurately control the air conditioning damper opening and compressor speed of the vehicle. The platform design is applicable to integrated heating and cooling, cooling only, fuel, and electric, so as to achieve the purpose of one-time mold opening and multi-state use, avoiding repetitive development. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the side of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the utility model from a top view.

[0018] Figure 4 It is a connection diagram of the components of the utility model.

[0019] Among them: 1. Heater; 2. Blower; 3. Cross recessed pan head self-tapping screws. DETAILED DESCRIPTION

[0020] In one embodiment, Figures 1-4As shown, a right-hand drive pickup air conditioning system includes: a heater 1, a blower 2, an air conditioning control system, a compressor, a speed control module, an evaporator defrost sensor, a heating and cooling motor, a mode motor, and a circulation motor. The heater 1, the blower 2, the compressor, the speed control module, the evaporator defrost sensor, the heating and cooling motor, the mode motor, and the circulation motor are all connected to the air conditioning control system through pipes and wiring harnesses; the compressor is PWM to avoid resonance point control, the frequency FS: 400Hz ± 10%, the speed range 1500-3200rpm corresponds to the duty cycle range 5%-95% linear relationship: 5% is the lowest speed, 95% is the highest speed, and the program avoids skipping when the duty cycle is 62.5% and 68.75%, avoiding the resonance of the whole vehicle; the PWM speed range of the compressor is 1500-3200rpm, which meets the cooling needs of passengers and batteries, reduces the energy consumption of the whole vehicle, and increases the endurance of the whole vehicle. The compressor adopts a rear-out structure, which effectively improves the waterproof effect of the plug-in and avoids the hidden danger of water ingress when the plug-in is out.

[0021] like Figures 1-3 As shown, the air conditioning system also includes a return air temperature sensor and an ambient temperature sensor to collect the return air and outside temperature values, which is more conducive to the controller to accurately control the air conditioning door opening and compressor speed of the whole vehicle; The return air temperature sensor and the ambient temperature sensor are used to collect the return air and outside temperature values, which is more conducive to the controller to accurately control the air conditioning door opening and compressor speed of the whole vehicle. The air conditioning system adopts a platform design that is applicable to heating and cooling, cooling only, fuel, and electric; it achieves the purpose of opening a mold once and taking into account multi-state use to avoid repetitive development.

[0022] like Figures 1-3 As shown, the PTC control includes a PTC NTC sensor and a PTC temperature control switch. The PTC heater is made of thermistor material and a heat dissipation wave plate. The PTC temperature control switch is a sudden jump temperature switch. The NTC feeds back the temperature signal to the controller-VCU. After judgment, the VCU sends an instruction to the controller. The controller instructs the thermostat to close and the PTC starts heating.

[0023] The air conditioning system is provided with a plurality of groups of cross recessed pan head self-tapping screws 3, through which the components are assembled and fixed; it is convenient to install and disassemble the plurality of components of the air conditioning system, and it is convenient to disassemble and repair, and it is relatively practical.

[0024] The above embodiments disclose a right-hand drive dedicated pickup truck air conditioning system. With a platform-based design, it is applicable to both heating and cooling integrated, single cooling, fuel-powered, and electric-powered systems. It achieves the purpose of using a single mold to accommodate multiple states of use, avoiding repetitive development. The compressor is controlled by PWM to avoid resonance points, and the program skips at two duty cycle points of 62.5% and 68.75% to avoid vehicle resonance. The compressor adopts a rear-out structure, effectively improving the waterproof effect of the plug and avoiding the hidden danger of water ingress when the plug is upward. It also includes a return air temperature sensor and an ambient temperature sensor to collect the return air and outside temperature values, which is more conducive to the controller's precise control of the vehicle air conditioning damper opening and compressor speed.

[0025] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A special air conditioning system for right-hand drive pickup trucks, characterized in that, Including: A heater (1), a blower (2), an air-conditioning control system, a compressor, a speed control module, an evaporator defrosting sensor, a heating and cooling motor, a mode motor, and a circulation motor. The heater (1), the blower (2), the compressor, the speed control module, the evaporator defrosting sensor, the heating and cooling motor, the mode motor, and the circulation motor are all connected to the air-conditioning control system through pipelines or wiring harnesses.

2. The air conditioning system for a right-hand drive dedicated pickup truck according to claim 1, wherein The compressor is controlled by PWM to avoid resonance points, with a frequency FS: 400Hz ± 10%, a speed control range of 1500 - 3200 rpm corresponding to a duty cycle range of 5% - 95% in a linear relationship: 5% is the lowest speed, 95% is the highest speed, and the program skips at two points of 62.5% and 68.75% of the duty cycle to avoid vehicle resonance.

3. The air conditioning system for a right-hand drive dedicated pickup truck according to claim 1, characterized in that, The compressor adopts a rear-out structure to improve the waterproof effect of the plug and prevent water from entering when the plug is upward.

4. The air conditioning system for a right-hand drive dedicated pickup truck according to claim 1, characterized in that, The air-conditioning system further includes a return air temperature sensor and an ambient temperature sensor to collect the return air and outside temperature values, which is beneficial for the controller to accurately control the opening of the vehicle air-conditioning air damper and the speed of the compressor.

5. The air conditioning system for a right-hand drive dedicated pickup truck according to claim 1, wherein The air-conditioning system adopts a platform design and is applicable to both heating and cooling integrated, single cooling, fuel-powered, and electric-powered systems.

6. The right-steering special pickup air-conditioning system according to claim 1, wherein, The PTC control includes a PTC NTC sensor and a PTC temperature control switch. The PTC heater is made of a thermistor material and a heat dissipation fin. The PTC temperature control switch is a snap-action temperature switch, and the NTC feeds back the temperature signal to the controller - VCU. After the VCU judges, it sends an instruction to the controller, and the controller instructs the thermostat to close, and the PTC starts to heat.

7. The air-conditioning system for a right-hand drive dedicated pickup truck according to claim 1, wherein Multiple sets of cross-recessed pan head self-tapping screws (3) are provided on the air-conditioning system, and the components are assembled and fixed by the multiple sets of cross-recessed pan head self-tapping screws (3).

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