New energy electric bus heating air conditioner based on thermoelectric refrigeration module

Abstract

A new energy electric bus heating air conditioner based on a thermoelectric refrigeration module comprises the thermoelectric refrigeration module, the thermoelectric refrigeration module is connected with a heat exchanger through a heat exchange pipeline mechanism, the heat exchanger is connected with an air supply unit, and a water pump is arranged in the heat exchange pipeline mechanism and connected with the thermoelectric refrigeration module. The water pump, the thermoelectric refrigeration module, the heat exchanger and the air supply unit are all connected with the PLC control mechanism. The thermoelectric refrigeration module comprises a semiconductor refrigeration sheet, radiators are arranged on the hot face and the cold face of the semiconductor refrigeration sheet respectively, fans are arranged on the outer sides of the radiators respectively, and the outer faces of the two fans are the hot end and the cold end respectively. The novel electric bus heating air conditioner has the advantages that noise generated in the operation process of the new energy electric bus heating air conditioner can be reduced through the thermoelectric refrigeration module, and environmental protection and energy conservation are achieved; the mature thermoelectric refrigeration technology guarantees the use safety; a water-cooling heat dissipation scheme is used, so that the heat exchange efficiency is improved; the space utilization rate is improved through the small thermoelectric refrigeration module.

Description

Technical Field

[0001] The utility model belongs to a heating air conditioner for a new energy electric bus based on a thermoelectric refrigeration module. Background Art

[0002] New energy electric buses mainly refer to pure electric buses, which run entirely on electricity. This type of product has low noise, high driving stability, and achieves zero emissions. Electric buses are powered by on-board power supplies, and are equipped with suitable on-board batteries or cable power supply equipment to provide power to drive them. Electric buses have good power performance, a continuous driving range of 500 kilometers, a long battery life (more than two years), low cost, and good configuration with the whole vehicle. Vehicles that meet all requirements of road traffic and safety regulations.

[0003] At present, the air conditioning system of new energy electric buses uses powered air compressors and condensers for heating. The main problems caused by this are: 1. The air compressor and condenser make too much noise during use, which brings a bad riding experience to passengers. 2. The air compressor and condenser are too large, and the overall space utilization rate is not high. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to reduce the noise in the bus, make full use of the space, and provide a new energy electric bus heating air conditioner based on a thermoelectric refrigeration module.

[0005] The technical solution of the utility model is specifically as follows:

[0006] A new energy electric bus heating air conditioner based on a thermoelectric refrigeration module, comprising a thermoelectric refrigeration module, wherein the thermoelectric refrigeration module is connected to a heat exchanger via a heat exchange pipeline mechanism, wherein the heat exchanger is connected to an air supply unit, wherein a water pump is arranged in the heat exchange pipeline mechanism, and the water pump, the thermoelectric refrigeration module, the heat exchanger and the air supply unit are all connected to a PLC control mechanism;

[0007] The thermoelectric cooling module includes a semiconductor cooling plate, and heat sinks are respectively arranged on the hot surface and the cold surface of the semiconductor cooling plate. Fans are respectively arranged on the outside of the heat sinks, and the outsides of the two fans are a hot end and a cold end.

[0008] The thermoelectric refrigeration module is respectively connected to the front heat exchange pipeline and the rear heat exchange pipeline of the vehicle, wherein the front heat exchange pipeline includes a front heat exchanger, and a front water pump is respectively arranged before and after the front heat exchanger, and the front heat exchanger is also connected to the front air supply unit; the rear heat exchange pipeline includes a rear heat exchanger, and a rear water pump is respectively arranged before and after the rear heat exchanger, and the rear heat exchanger is also connected to the rear air supply unit.

[0009] The thermoelectric refrigeration module is arranged at the rear of the bus; the heat exchange piping mechanism surrounds the top and the rear of the electric bus; the water pump, the air supply unit and the heat exchanger are arranged inside the electric bus; and the PLC control mechanism is arranged at the head of the bus.

[0010] The beneficial effects of the utility model are as follows: the use of thermoelectric refrigeration modules can reduce the noise during the operation of the heating and air conditioning of new energy electric buses, which is environmentally friendly and energy-saving; the mature thermoelectric refrigeration technology ensures safe use; the use of water-cooled heat dissipation solutions improves heat exchange efficiency; the smaller thermoelectric refrigeration module improves space utilization and provides passengers with a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the overall structure diagram of the utility model;

[0012] Figure 2 It is the principle diagram of the utility model;

[0013] Figure 3 This is the structural diagram of the thermoelectric cooling module. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] like Figure 1 , Figure 2 As shown, a new energy electric bus heating air conditioner based on a thermoelectric refrigeration module includes a thermoelectric refrigeration module 1, wherein the thermoelectric refrigeration module 1 is connected to a heat exchanger 5 via a heat exchange pipeline mechanism 2, and the heat exchanger 5 is connected to an air supply unit 4. A water pump 3 is arranged in the heat exchange pipeline mechanism 2, and the water pump 3, the thermoelectric refrigeration module 1, the heat exchanger 5 and the air supply unit 4 are all connected to a PLC control mechanism 6.

[0016] Furthermore, the thermoelectric cooling module 1 is respectively connected to the front heat exchange pipeline 21 and the rear heat exchange pipeline 22, wherein the front heat exchange pipeline 21 includes a front heat exchanger 51, and a front water pump 31 is respectively arranged before and after the front heat exchanger 51, and the front heat exchanger 51 is also connected to the front air supply unit 41. The rear heat exchange pipeline 22 includes a rear heat exchanger 52, and a rear water pump 32 is respectively arranged before and after the rear heat exchanger 52, and the rear heat exchanger 52 is also connected to the rear air supply unit 42.

[0017] Furthermore, the thermoelectric refrigeration module 1 is a device that uses the thermoelectric effect to achieve refrigeration, which is arranged at the rear of the bus; the heat exchange pipeline mechanism 2 surrounds the top and the rear of the electric bus. The water pump 3, the air supply unit 4 and the heat exchanger 5 are connected through the heat exchange pipeline mechanism 2 and are arranged inside the electric bus. The PLC control mechanism 6 is arranged at the head of the bus.

[0018] like Figure 3 As shown, the thermoelectric cooling module 1 includes a semiconductor cooling plate 11, and heat sinks 12 are respectively arranged on the hot surface and the cold surface of the semiconductor cooling plate 11, and fans 13 are respectively arranged on the outside of the heat sink 12, so that the outsides of the two fans 13 are a hot end and a cold end respectively.

[0019] The working principle of the utility model is:

[0020] When the heating and air conditioning of the new energy electric bus is running, the thermoelectric cooling module 1 is powered on to release heat at the hot end, which enters the heat exchange pipeline for full heat exchange. At the same time, the water pump 3, the air supply unit 4, and the heat exchanger 5 are turned on. The air delivered by the air supply unit 4 is heated and delivered to various parts of the vehicle through the air outlet inside the vehicle. When the temperature reaches the temperature set by the PLC, the air supply unit will start the air circulation in the vehicle and the solenoid valve will be closed. When the temperature inside the vehicle drops to the PLC setting value, the heating cycle starts.

[0021] The use of thermoelectric refrigeration modules can reduce the noise during the operation of heating and air conditioning in new energy electric buses, which is environmentally friendly and energy-saving; the mature thermoelectric refrigeration technology ensures safe use; the use of water-cooling heat dissipation solutions improves heat exchange efficiency; the smaller thermoelectric refrigeration modules improve space utilization and provide passengers with a better user experience.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A new energy electric bus heating air conditioner based on a thermoelectric refrigeration module, characterized in that: The invention comprises a thermoelectric refrigeration module (1), wherein the thermoelectric refrigeration module (1) is connected to a heat exchanger (5) via a heat exchange pipeline mechanism (2), the heat exchanger (5) is connected to an air supply unit (4), a water pump (3) is arranged in the heat exchange pipeline mechanism (2), and the water pump (3), the thermoelectric refrigeration module (1), the heat exchanger (5) and the air supply unit (4) are all connected to a PLC control mechanism (6); The thermoelectric refrigeration module (1) comprises a semiconductor refrigeration sheet (11), heat sinks (12) are respectively arranged on the hot surface and the cold surface of the semiconductor refrigeration sheet (11), fans (13) are respectively arranged on the outside of the heat sinks (12), and the outsides of the two fans (13) are one hot end and one cold end; The thermoelectric refrigeration module (1) is respectively connected to a front heat exchange pipeline (21) and a rear heat exchange pipeline (22), wherein the front heat exchange pipeline (21) comprises a front heat exchanger (51), a front water pump (31) is respectively arranged before and after the front heat exchanger (51), and the front heat exchanger (51) is also connected to a front air supply unit (41); the rear heat exchange pipeline (22) comprises a rear heat exchanger (52), a rear water pump (32) is respectively arranged before and after the rear heat exchanger (52), and the rear heat exchanger (52) is also connected to a rear air supply unit (42).

2. A new energy electric bus heating and air conditioning system based on a thermoelectric refrigeration module according to claim 1, characterized in that: The thermoelectric refrigeration module (1) is arranged at the rear of the bus; the heat exchange pipeline mechanism (2) surrounds the top and the rear of the electric bus; the water pump (3), the air supply unit (4) and the heat exchanger (5) are arranged inside the electric bus; and the PLC control mechanism (6) is arranged at the head of the bus.

Images