Heating systems and vehicles

Abstract

This invention provides a heating system and a vehicle. The heating system is installed in the vehicle and includes a compressor, an in-vehicle heat exchange component, a throttle valve, and an external heat exchange component. The compressor, in-vehicle heat exchange component, throttle valve, and external heat exchange component are connected sequentially along the flow direction of the refrigerant. The in-vehicle heat exchange component includes an in-vehicle heat exchanger and a ventilation assembly installed inside the vehicle; the external heat exchange component includes an external heat exchanger installed outside the vehicle. This invention addresses the problems of high noise, high energy consumption, poor comfort, and poor air quality in existing bus heating systems.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle heating technology, in particular to a heating system and a vehicle. BACKGROUND

[0002] At present, the air source heat pump is used for heating in the bus air conditioner, which has the disadvantages of loud noise, high energy consumption, poor comfort, poor air quality in the vehicle and the like; the air energy advantage of the bus itself (especially during operation) can be developed and utilized, and the heat exchange form in the bus can also be innovatively developed. SUMMARY

[0003] The main purpose of the present application is to provide a heating system and a vehicle to solve the problems of loud noise, high energy consumption, poor comfort, poor air quality in the vehicle and the like in the heating system of the bus in the prior art.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a heating system is provided, the heating system is arranged in a vehicle, and the heating system comprises: a compressor, an indoor heat exchange component, a throttle valve and an outdoor heat exchange component, which are connected in sequence along the flow direction of refrigerant; wherein the indoor heat exchange component comprises an indoor heat exchanger arranged in the interior of the vehicle and a ventilation and air exchange assembly; and the outdoor heat exchange component comprises an outdoor heat exchanger arranged outside the vehicle.

[0005] Further, the indoor heat exchanger is arranged below the floor in the interior of the vehicle, the floor is provided with an indoor heat exchange air return port and an indoor heat exchange air outlet port for communicating the upper and lower sides of the floor, and the indoor heat exchanger comprises: a plurality of indoor heat exchange main pipelines which are arranged in parallel; an indoor heat exchange inflow pipeline, the inlet of the indoor heat exchange inflow pipeline is connected with the compressor, and the outlet of the indoor heat exchange inflow pipeline is connected with the inlets of the plurality of indoor heat exchange main pipelines; and an indoor heat exchange outflow pipeline, the inlets of the indoor heat exchange outflow pipeline are connected with the outlets of the plurality of indoor heat exchange main pipelines, and the outlet of the indoor heat exchange outflow pipeline is connected with the throttle valve.

[0006] Further, a plurality of groups of indoor heat exchange branch pipelines are arranged on each indoor heat exchange main pipeline, the plurality of groups of indoor heat exchange branch pipelines are arranged in intervals along the extension direction of the corresponding indoor heat exchange main pipeline, and each group of indoor heat exchange branch pipelines comprises a plurality of indoor heat exchange pipe segments which are arranged in intervals around the circumferential side of the corresponding indoor heat exchange main pipeline and are in communication with the indoor heat exchange main pipeline.

[0007] Further, the ventilation and air exchange assembly comprises: a fan, which is arranged at the bottom of the vehicle; and an air duct component, which is arranged at the bottom of the vehicle and the inlet of which is in communication with the fan outlet of the fan.

[0008] Furthermore, the fan includes a fan body and a fan protective cover covering the fan body. The fan protective cover is provided with a fan return air inlet, a fan fresh air inlet and a fan outlet at intervals. The fan return air inlet is connected to the interior of the vehicle, the fan fresh air inlet is connected to the exterior of the vehicle, and the fan outlet is connected to the inlet of the air duct component.

[0009] Furthermore, the air duct component includes: multiple air duct branch pipes, which are arranged in parallel; a main air duct, the inlet of which is connected to the compressor, and the outlet of which is connected to the inlets of the multiple air duct branch pipes; wherein, each air duct branch pipe is provided with multiple air duct outlets.

[0010] Furthermore, the external heat exchanger includes: an external heat exchanger body, the inlet of which is connected to a throttle valve, and the outlet of which is connected to a compressor; and an external heat exchange shroud, which covers the external heat exchanger body, and is provided with an external heat exchange inlet and an external heat exchange outlet at intervals.

[0011] Furthermore, the main body of the external heat exchanger includes: multiple unit heat exchangers connected in parallel; a main inlet pipe for the external heat exchanger, the inlet of which is connected to a throttle valve, and the outlet of which is connected to the inlet of each unit heat exchanger; and a main outlet pipe for the external heat exchanger, the inlet of which is connected to the outlet of each unit heat exchanger, and the outlet of which is connected to the compressor.

[0012] Furthermore, the main inlet pipe and the main outlet pipe of the external heat exchanger are arranged parallel to each other; the angle between each unit heat exchanger and the main inlet pipe or the main outlet pipe of the external heat exchanger is A, where A is an acute angle.

[0013] According to another aspect of the present invention, a vehicle is provided, including the heating system described above.

[0014] Applying the technical solution of this invention, the heating system of this invention is installed in a vehicle. The heating system includes: a compressor, an in-vehicle heat exchange component, a throttling valve, and an external heat exchange component. The compressor, the in-vehicle heat exchange component, the throttling valve, and the external heat exchange component are connected sequentially along the flow direction of the refrigerant. The in-vehicle heat exchange component includes an in-vehicle heat exchanger and a ventilation assembly installed inside the vehicle; the external heat exchange component includes an external heat exchanger installed outside the vehicle. Thus, the heating system of this invention eliminates the need for an external fan, utilizing the wind energy advantage of the bus as it travels, achieving a combination of efficient external heat exchange in the heat pump heating system and ventilation heat exchange in the internal heat exchange component. This improves the heating comfort and air quality inside the vehicle, reduces vehicle noise, reduces the energy consumption required to drive the compressor, and solves the problems of high noise, high energy consumption, poor comfort, and poor air quality in existing bus heating systems. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0016] Figure 1 A schematic diagram of an embodiment of a heating system according to the present invention is shown;

[0017] Figure 2 It shows Figure 1 A schematic diagram showing the combination of the vehicle's in-vehicle heat exchanger and the vehicle's floor in the heating system.

[0018] Figure 3 It shows Figure 2 The diagram shows the structure of the in-vehicle heat exchanger.

[0019] Figure 4 It shows Figure 2 The diagram shows the structural design of the floor.

[0020] Figure 5 It shows Figure 1 A schematic diagram of the ventilation and air exchange components of the heating system shown.

[0021] Figure 6 It shows Figure 1 The diagram shows the structural schematic of the air duct component of the ventilation and air exchange assembly of the heating system.

[0022] Figure 7 It shows Figure 1 The diagram shows the structure of the external heat exchange components of the heating system.

[0023] Figure 8 It shows Figure 7 The diagram shows the structure of a unit heat exchanger for the external heat exchange components of the vehicle.

[0024] The above figures include the following reference numerals:

[0025] 1. Compressor;

[0026] 2. Interior heat exchange components; 21. Interior heat exchanger; 22. Ventilation and air exchange components; 211. Main internal heat exchange pipeline; 212. Internal heat exchange inlet pipeline; 213. Internal heat exchange outlet pipeline; 214. Internal heat exchange branch pipeline; 2140. Internal heat exchange pipe section; 221. Fan; 2211. Fan body; 2212. Fan protective cover; 2213. Fan return air inlet; 2214. Fan fresh air inlet; 2215. Fan air outlet; 222. Duct components; 2221. Duct branch pipeline; 2222. Main duct pipeline; 2223. Duct air outlet;

[0027] 3. Throttling valve;

[0028] 4. External heat exchange components; 41. External heat exchanger; 411. External heat exchanger body; 412. External heat exchange shroud; 4111. Unit heat exchanger; 4112. External heat exchanger main inlet pipe; 4113. External heat exchanger main outlet pipe; 4121. External heat exchanger air inlet; 4122. External heat exchanger air outlet;

[0029] 5. Floor; 51. Internal heat exchange return air vent; 52. Internal heat exchange outlet. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] like Figures 1 to 8 As shown, the present invention provides a heating system installed in a vehicle. The heating system includes: a compressor 1, an in-vehicle heat exchange component 2, a throttle valve 3, and an external heat exchange component 4. The compressor 1, the in-vehicle heat exchange component 2, the throttle valve 3, and the external heat exchange component 4 are connected sequentially along the flow direction of the refrigerant. The in-vehicle heat exchange component 2 includes an in-vehicle heat exchanger 21 and a ventilation assembly 22 installed inside the vehicle. The external heat exchange component 4 includes an external heat exchanger 41 installed outside the vehicle.

[0032] In this way, the heating system of the present invention eliminates the need for an external fan, and utilizes the wind energy advantage of the bus running through the vehicle to achieve the goal of combining efficient heat exchange outside the vehicle with ventilation heat exchange of the internal heat exchange section. This improves the heating comfort and air quality inside the vehicle, reduces vehicle noise, reduces the energy consumption required to drive the compressor, and solves the problems of high noise, high energy consumption, poor comfort, and poor air quality in existing bus heating systems.

[0033] like Figure 2 As shown, the in-vehicle heat exchanger 21 is installed below the floor 5 inside the vehicle. The floor 5 is provided with an internal heat exchange return air inlet 51 and an internal heat exchange outlet 52 for connecting the upper and lower sides of the floor 5. The in-vehicle heat exchanger 21 includes: multiple internal heat exchange main pipelines 211, which are arranged in parallel; an internal heat exchange inflow pipeline 212, the inlet of which is connected to the compressor 1, and the outlet of which is connected to the inlet of the multiple internal heat exchange main pipelines 211; and an internal heat exchange outflow pipeline 213, the inlet of which is connected to the outlet of the multiple internal heat exchange main pipelines 211, and the outlet of which is connected to the throttle valve 3.

[0034] like Figure 2 and Figure 3 As shown, each internal heat exchange main pipeline 211 is equipped with multiple sets of internal heat exchange branch pipelines 214. The multiple sets of internal heat exchange branch pipelines 214 are arranged at intervals along the extension direction of the corresponding internal heat exchange main pipeline 211. Each set of internal heat exchange branch pipelines 214 includes multiple internal heat exchange pipe segments 2140. The multiple internal heat exchange pipe segments 2140 are arranged at intervals around the periphery of the corresponding internal heat exchange main pipeline 211 and are all connected to the internal heat exchange main pipeline 211 to enhance heat exchange and improve heating effect.

[0035] like Figure 5 and Figure 6 As shown, the ventilation and air exchange assembly 22 includes: a fan 221, which is installed at the bottom of the vehicle; and an air duct component 222, which is installed at the bottom of the vehicle, and the inlet of the air duct component 222 is connected to the fan outlet 2215 of the fan 221.

[0036] like Figure 5 As shown, the fan 221 includes a fan body 2211 and a fan protective cover 2212 covering the fan body 2211. The fan protective cover 2212 is provided with a fan return air inlet 2213, a fan fresh air inlet 2214 and a fan outlet 2215 at intervals. The fan return air inlet 2213 is connected to the interior of the vehicle, the fan fresh air inlet 2214 is connected to the exterior of the vehicle, and the fan outlet 2215 is connected to the inlet of the air duct component 222.

[0037] Specifically, the return air vent 2213 of the fan is located near the front of the vehicle, and the fresh air vent 2214 of the fan has an opening at the front of the vehicle and is equipped with a filter screen. The air generated during the operation of the vehicle that is opposite to the direction of the vehicle's operation will be introduced into the vehicle through the fresh air vent 2214 of the fan.

[0038] like Figure 6 As shown, the air duct component 222 includes: multiple branch air ducts 2221, which are arranged in parallel; a main air duct 2222, the inlet of which is connected to the compressor 1, and the outlet of which is connected to the inlet of each of the branch air ducts 2221; each branch air duct 2221 is provided with multiple air outlets 2223. This is to cooperate with the vehicle interior heat exchanger 21 to improve heating capacity and comfort, and to enhance air quality.

[0039] like Figure 7 and Figure 8As shown, the external heat exchanger 41 includes: an external heat exchanger body 411, the inlet of which is connected to the throttle valve 3, and the outlet of which is connected to the compressor 1; and an external heat exchange shroud 412, which covers the external heat exchanger body 411, and is provided with an external heat exchange inlet 4121 and an external heat exchange outlet 4122 at intervals on the external heat exchange shroud 412.

[0040] The external heat exchange cover 412 is rectangular in shape, and grilles are provided at both the external heat exchange inlet 4121 and the external heat exchange outlet 4122.

[0041] Specifically, the external heat exchanger body 411 includes: multiple unit heat exchangers 4111, which are arranged in parallel; an external heat exchanger main inlet pipe 4112, the inlet of which is connected to the throttle valve 3, and the outlet of which is connected to the inlet of each unit heat exchanger 4111; and an external heat exchanger main outlet pipe 4113, the inlet of which is connected to the outlet of each unit heat exchanger 4111, and the outlet of which is connected to the compressor 1.

[0042] like Figure 7 As shown, the main inlet pipe 4112 and the main outlet pipe 4113 of the external heat exchanger are arranged in parallel to each other; the included angle between each unit heat exchanger 4111 and the main inlet pipe 4112 or the main outlet pipe 4113 of the external heat exchanger is A, where A is an acute angle.

[0043] The relevant formulas for heat transfer involved in this invention are as follows:

[0044] Q = U m ·A·ΔT m Where Q represents total heat exchange, in W; U represents total heat exchange. m —Average heat transfer coefficient, W / (m 2 ·k); A——Heat exchange area, m 2 ;ΔT m —Average heat exchange temperature difference, °C.

[0045] The relevant formulas for air volume involved in this invention are as follows:

[0046] V=(π·D 2 ·u) / 4; where V is the air volume (m³). 3 / h; D—outlet diameter, m; u—wind speed, m 2 / s.

[0047] The present invention also provides a vehicle including the above-described heating system.

[0048] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0049] The heating system of this invention is installed in a vehicle and includes: a compressor 1, an in-vehicle heat exchange component 2, a throttle valve 3, and an external heat exchange component 4. The compressor 1, the in-vehicle heat exchange component 2, the throttle valve 3, and the external heat exchange component 4 are connected sequentially along the flow direction of the refrigerant. The in-vehicle heat exchange component 2 includes an in-vehicle heat exchanger 21 and a ventilation assembly 22 installed inside the vehicle; the external heat exchange component 4 includes an external heat exchanger 41 installed outside the vehicle. Thus, the heating system of this invention eliminates the need for an external fan, utilizing the wind energy advantage of the bus as it travels, achieving a combination of efficient external heat exchange in the heat pump heating system and ventilation heat exchange in the internal heat exchange component. This improves the heating comfort and air quality inside the vehicle, reduces vehicle noise, and reduces the energy consumption required to drive the compressor, solving the problems of high noise, high energy consumption, poor comfort, and poor air quality in existing bus heating systems.

[0050] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0051] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0052] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0053] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0054] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0055] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A heating system, characterized in that The heat supply system is arranged in a vehicle, and the heat supply system comprises: a compressor (1), an indoor heat exchange component (2), a throttle valve (3) and an outdoor heat exchange component (4), which are sequentially connected along the flow direction of refrigerant; wherein the indoor heat exchange component (2) comprises an indoor heat exchanger (21) arranged in the interior of the vehicle and a ventilation and air exchange assembly (22); the outdoor heat exchange component (4) comprises an outdoor heat exchanger (41) arranged in the exterior of the vehicle; the indoor heat exchanger (21) is arranged below the floor (5) in the interior of the vehicle, the floor (5) is provided with an indoor heat exchange return air outlet (51) and an indoor heat exchange air outlet (52) for communicating the upper and lower sides of the floor (5), and the indoor heat exchanger (21) comprises a plurality of indoor heat exchange main pipelines (211) arranged in parallel, an indoor heat exchange inflow pipeline (212) with its inlet connected to the compressor (1) and its outlet connected to the inlets of the plurality of indoor heat exchange main pipelines (211), and an indoor heat exchange outflow pipeline (213) with its inlet connected to the outlets of the plurality of indoor heat exchange main pipelines (211) and its outlet connected to the throttle valve (3).

2. The heating system according to claim 1, characterized in that Each indoor heat exchange main pipeline (211) is provided with a plurality of indoor heat exchange branch pipelines (214) arranged in intervals along the extension direction of the corresponding indoor heat exchange main pipeline (211), and each group of indoor heat exchange branch pipelines (214) comprises a plurality of indoor heat exchange pipe segments (2140) arranged in intervals around the circumferential side of the corresponding indoor heat exchange main pipeline (211) and in communication with the indoor heat exchange main pipeline (211).

3. The heating system according to claim 1, characterized in that, The ventilation and air exchange assembly (22) comprises: a fan (221) arranged at the bottom of the vehicle; an air duct component (222) arranged at the bottom of the vehicle and having its inlet in communication with the fan air outlet (2215) of the fan (221).

4. The heating system according to claim 3, characterized in that The fan (221) comprises a fan main body (2211) and a fan protective cover (2212) arranged outside the fan main body (2211), and the fan protective cover (2212) is provided with a fan return air outlet (2213), a fan fresh air outlet (2214) and a fan air outlet (2215) arranged in intervals, the fan return air outlet (2213) is in communication with the interior cabin of the vehicle, the fan fresh air outlet (2214) is in communication with the exterior of the vehicle, and the fan air outlet (2215) is in communication with the inlet of the air duct component (222).

5. The heating system according to claim 3, wherein The air duct component (222) comprises: A plurality of air duct branch lines (2221) are arranged in parallel; An air duct main line (2222) is connected with the compressor (1) at its inlet and connected with the plurality of air duct branch lines (2221) at its outlet; Each of the air duct branch lines (2221) is provided with a plurality of air duct air outlets (2223).

6. The heating system of claim 1, wherein, The vehicle external heat exchanger (41) comprises: An external heat exchanger body (411) is in communication with the throttle valve (3) at its inlet and in communication with the compressor (1) at its outlet; An external heat exchanger cover (412) is arranged outside the external heat exchanger body (411) and is provided with an external heat exchanger air inlet (4121) and an external heat exchanger air outlet (4122) at intervals.

7. The heating system according to claim 6, characterized in that The external heat exchanger body (411) comprises: A plurality of unit heat exchangers (4111) are arranged in parallel; An external heat exchanger total inlet pipe (4112) is in communication with the throttle valve (3) at its inlet and connected with each of the unit heat exchangers (4111) at its outlet; An external heat exchanger total outlet pipe (4113) is connected with each of the unit heat exchangers (4111) at its inlet and in communication with the compressor (1) at its outlet.

8. The heating system according to claim 7, characterized in that The external heat exchanger total inlet pipe (4112) and the external heat exchanger total outlet pipe (4113) are arranged in parallel; the included angle between each of the unit heat exchangers (4111) and the external heat exchanger total inlet pipe (4112) or the external heat exchanger total outlet pipe (4113) is A, wherein A is an acute angle.

9. A vehicle characterized by comprising: The heating system according to any one of claims 1 to 8.

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