A heater and an electric vehicle

By designing a heater with staggered flow channel ribs and multiple heating tubes, the fluid flow path is optimized, solving the problem of uneven heating in electric vehicles, achieving efficient and safe heating, adapting to different ambient temperatures, and expanding the application range.

CN122126050APending Publication Date: 2026-06-02NINGBO SUNNY ELECTRICAL HEATING APPLIANCES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO SUNNY ELECTRICAL HEATING APPLIANCES CO LTD
Filing Date
2024-12-02
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing heaters cause uneven fluid heating at low ambient temperatures, leading to a reduction in the driving range of electric vehicles. Furthermore, their manufacturing processes are complex and costly, making it difficult to meet the requirements of high efficiency, energy saving, safety, and reliability for electric vehicles.

Method used

Design a heater comprising a heating cavity, flow channel rib unit, heating cover plate and temperature control unit. The heating channel is formed by staggered flow channel ribs, multiple heating tubes and anti-dry burning temperature controller are set to optimize the fluid flow path, ensure uniform heating, and improve system stability and safety by using a variety of materials and connection methods.

Benefits of technology

It improves the uniformity and efficiency of fluid heating, ensures stable and reliable heating effect, reduces energy waste, adapts to different ambient temperatures, meets the high-efficiency heating needs of electric vehicles, and expands the application range.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a heater, comprising a heater body, which includes: a heating cavity containing flow channel rib units, each rib consisting of several flow channel ribs spaced and staggered to form several heating channels, the heating channels being interconnected to form heating channels; a heating cover plate disposed on the heating cavity, the cover plate having several fins corresponding to the heating channels, each fin extending into the heating channels; a heating unit disposed at the end of the heating cover plate opposite to the fins; and a temperature control unit disposed adjacent to the heating unit. This invention features a reasonable structural design, and by setting up heating channels formed by several spaced and staggered flow channel ribs, it significantly improves the uniformity and efficiency of heating, providing assurance for normal vehicle operation in winter.
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Description

Technical Field

[0001] This invention relates to the field of heating equipment technology, and more particularly to a heater and an electric vehicle. Background Technology

[0002] Currently, in low ambient temperatures, new energy electric vehicles mainly use PTC heaters to preheat the battery. However, because the thermal power and heating rate of existing heaters are greatly affected by the flow channel, the fluid in the flow channel is not heated evenly, which will significantly reduce the vehicle's driving range.

[0003] Furthermore, existing PTC heaters have complex manufacturing processes, high costs, and limited material choices, failing to meet diverse application needs. In the electric vehicle sector, the requirements for heaters are even more stringent, demanding not only small size and light weight but also high efficiency, energy saving, and safety. However, existing heaters often fail to fully meet these high standards when applied to electric vehicles, limiting their performance under various environmental and operating conditions. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a heater and an electric vehicle in light of the current state of the technology.

[0005] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: a heater, comprising a heater body, the heater body comprising: a heating cavity, wherein a flow channel rib unit is arranged in the heating cavity, the flow channel rib unit is composed of a plurality of flow channel ribs, the plurality of flow channel ribs are spaced and staggered to form a plurality of heating channels, the plurality of heating channels are connected to form a heating channel; a heating cover plate, the heating cover plate is disposed on the heating cavity, the heating cover plate is provided with a plurality of fins corresponding to the heating channels, each of the fins extending into the heating channels; a heating unit, the heating unit is disposed at the end of the heating cover plate opposite to the fins; and a temperature control unit, the temperature control unit is disposed adjacent to the heating unit.

[0006] The effect achieved by the above components is as follows: by setting up heating channels formed by several staggered flow channel ribs, the flow path of the fluid in the heating chamber is optimized, the contact time and area between the fluid and the heating surface are increased, and the heat can be transferred to the fluid more fully, which significantly improves the uniformity and efficiency of heating and ensures that the heating effect of the entire system is more stable and reliable.

[0007] Preferably, the heating unit consists of several heating elements, each including several first heating tubes and second heating tubes. The first heating tubes are disposed on the heating cover plate, and the heating cover plate is arranged with at least one first heating tube along the fins.

[0008] The aforementioned components achieve the following effect: by installing a first heating tube on the heating cover plate, and ensuring that at least one heating tube is provided along the fins of the heating cover plate, every area on the heating cover plate receives a direct and sufficient heat supply, avoiding localized insufficient heating. This not only effectively improves the uniformity of heating, but also ensures that the remaining heating tubes can continue to work when a single heating tube fails, guaranteeing the stable operation of the system and greatly improving the overall heating effect and system reliability.

[0009] Preferably, the temperature control unit includes a mounting plate and an anti-dry-burning thermostat disposed on the mounting plate; the mounting plate is arranged on the heating element and connected to the heating element; at least one anti-dry-burning thermostat is disposed on the mounting plate.

[0010] The aforementioned components achieve the following effect: by setting up a temperature control unit including a mounting plate and an anti-dry-burning thermostat, with the mounting plate closely arranged on and connected to the heating element, the anti-dry-burning thermostat can accurately and in real time sense changes in the heating element's temperature. When the temperature rises abnormally or dry-burning occurs, the anti-dry-burning thermostat can cut off the power supply, effectively preventing dangerous accidents and strongly ensuring safety during use.

[0011] Preferably, the heating cavity is provided with a water inlet connector and a water outlet connector, which are arranged at opposite ends and connected to the heating flow channel.

[0012] The aforementioned components achieve the following effect: by installing inlet and outlet water connectors on the heating chamber and connecting them to the heating channel, and by arranging the inlet and outlet water connectors at a relatively large distance, sufficient flow time and space are created for the fluid within the heating channel, allowing it to fully absorb heat and achieving efficient heat exchange. This minimizes heat loss, significantly improves energy utilization efficiency, and reduces energy waste.

[0013] Preferably, the second heating tube is arranged at any position on the outer surface of the heating cavity, and at least one second heating tube is provided.

[0014] The aforementioned components achieve the following effects: by placing at least one second heating tube on the outer surface of the heating chamber, the distribution range of the heating source is further expanded. Under high power demand conditions, the second heating tube can quickly replenish heat, significantly improving the overall heating power and efficiency. The coordinated operation of multiple heating tubes allows the system to flexibly adjust the heating power according to actual operating conditions, adapting to different ambient temperatures and usage requirements. This significantly improves the heater's adaptability and flexibility in fluid heating, meeting the heating requirements under various complex working conditions.

[0015] Preferably, both ends of the first heating tube and the second heating tube are provided with wiring connectors, and the wiring connectors are provided with wiring plates.

[0016] The aforementioned components achieve the following effect: by providing connectors and connecting plates at both ends of the first and second heating tubes, a convenient, stable, and reliable electrical connection is established between the heating tubes and the power supply. The design of the connectors and connecting plates effectively reduces contact resistance, significantly improves the efficiency of power transmission, and ensures that the heating tubes receive a stable and sufficient power supply.

[0017] Preferably, the heating cavity and the heating cover are integrally die-cast or extruded, and the heating cavity and the heating cover are sealed by welding or by assembling a sealing ring.

[0018] The aforementioned components achieve the following effects: by using integral die casting or extrusion molding for the heating chamber and heating cover plate, and then welding and sealing the heating chamber and heating cover plate together, or by using sealing rings for assembly and sealing, the dimensional accuracy and shape consistency of the components are effectively guaranteed, significantly reducing potential errors and defects during manufacturing. The welding connection provides a high-strength, high-sealing connection, effectively preventing fluid and heat leakage, greatly improving the heater's efficiency and safety. Integral die casting not only reduces production costs but also significantly improves production efficiency, providing strong support for large-scale production.

[0019] Preferably, the heating cavity and heating cover are made of materials such as copper, zinc, aluminum, magnesium, lead, tin, and aluminum alloy.

[0020] The aforementioned components achieve the following effect: by offering a variety of material options for the heating chamber and heating cover, including copper, zinc, aluminum, magnesium, lead, tin, and aluminum alloy, the most suitable material can be flexibly selected based on the specific operating environment, performance requirements, and cost budget. This fully satisfies the stringent performance requirements of the product under different operating conditions, effectively controls costs, significantly increases design flexibility and applicability, and meets the diverse needs of different customers and markets.

[0021] Preferably, an electric vehicle includes a heater as described above.

[0022] By applying this heater to electric vehicles, the heating performance of the vehicle's interior fluids in cold weather or under heating conditions is greatly improved. It can quickly and efficiently provide a warm and comfortable environment inside the vehicle in a short time. At the same time, the efficient heating performance effectively reduces energy consumption.

[0023] Preferably, the electric vehicle is an electric vehicle, a fuel cell electric vehicle, or a hybrid electric vehicle.

[0024] The aforementioned components achieve the following effect: the heater described above is suitable for various types of electric vehicles, including electric vehicles, fuel cell electric vehicles, and hybrid electric vehicles, thereby effectively expanding its application range. This improves the overall heating performance and applicability of the vehicle.

[0025] Compared with the prior art, the advantages of this invention are as follows: by setting a heating channel formed by several staggered flow channel ribs, the flow path of the fluid in the heating cavity is optimized, the contact time and area between the fluid and the heating surface are increased, and heat can be more fully transferred to the fluid, significantly improving the uniformity and efficiency of heating, ensuring a more stable and reliable heating effect, preventing the car battery from failing to start in cold weather, and providing a guarantee for the normal driving of the car in winter; the heater can be applied to a variety of electric vehicles, thereby improving the overall heating performance and applicability of the vehicle. Attached Figure Description

[0026] Figure 1 This is a schematic cross-sectional view of the structure of the present invention; Figure 2 This is a schematic cross-sectional view of the structure of the present invention; Figure 3 This is a schematic diagram of the structure of the present invention; Figure 4 This is a schematic diagram of the heating cavity of the present invention; Figure 5 This is a schematic diagram of the structure of the heating cover plate of the present invention; Figure 6 This is a schematic diagram of the structure of the heating cover plate of the present invention.

[0027] Reference numerals: 1. Heater body; 2. Heating cavity; 3. Flow channel rib unit; 4. Flow channel rib; 5. Heating channel; 6. Heating flow channel; 7. Heating cover plate; 8. Fin; 9. Heating unit; 10. Temperature control unit; 11. Heating element; 12. First heating tube; 13. Mounting plate; 14. Anti-dry burning temperature controller; 15. Water inlet connector; 16. Water outlet connector; 17. Second heating tube; 18. Wiring connector; 19. Wiring piece. Detailed Implementation

[0028] The following drawings disclose several embodiments of the present invention. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0029] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0030] Furthermore, in addition to indicating orientation or positional relationship, the aforementioned terms may also be used to indicate other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this invention according to the specific circumstances.

[0031] Furthermore, the terms "installation," "setting," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral constructions; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two devices, components, or parts. The connection methods described herein are prior art, without any modifications, and are common knowledge to those skilled in the art. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0032] Furthermore, in this invention, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the invention. They are merely used to distinguish components or operations described using the same technical terms, and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, such a combination should be considered nonexistent and not within the scope of protection claimed by this invention.

[0033] In this embodiment 1, like Figures 1 to 6As shown, the present invention provides a heater, including a heater body 1, the heater body 1 including: a heating cavity 2, in which flow channel rib units 3 are arranged, the flow channel rib units 3 being composed of a plurality of flow channel ribs 4, the plurality of flow channel ribs 4 being spaced and staggered to form a plurality of heating channels 5, the plurality of heating channels 6 being interconnected to form heating channels 6; a heating cover plate 7, the heating cover plate 7 being disposed on the heating cavity 2, the heating cover plate 7 being disposed with a plurality of fins 8 corresponding to the heating channels 5, each of the fins 8 extending and disposed within the heating channels 5; a heating unit 9, the heating unit 9 being disposed at the end of the heating cover plate 7 opposite to the fins 8; and a temperature control unit 10, the temperature control unit 10 being disposed adjacent to the heating unit 9.

[0034] By setting up heating channels 5 formed by staggered intervals of several flow channel ribs 4, the flow path of the fluid in the heating cavity 2 is optimized, increasing the contact time and area between the fluid and the heating surface, allowing heat to be transferred to the fluid more fully, significantly improving the uniformity and efficiency of heating, and ensuring a more stable and reliable heating effect for the entire system. The heating cover plate 7 is integrally or separately die-cast.

[0035] The heating unit 9 is composed of several heating elements 11. Each heating element 11 includes several first heating tubes 12 and second heating tubes 17. The first heating tubes 12 are disposed on the heating cover plate 7. The heating cover plate 7 is arranged with at least one first heating tube 12 along the fins 8.

[0036] By installing a first heating tube 12 on the heating cover plate 7, and ensuring that at least one heating tube is provided along the fins 8 of the heating cover plate 7, it is ensured that every area of ​​the heating cover plate 7 receives a direct and sufficient heat supply, avoiding localized insufficient heating. This not only effectively improves the uniformity of heating, but also ensures that the remaining heating tubes can continue to work when a single heating tube fails, guaranteeing the stable operation of the system and greatly improving the overall heating effect and system reliability.

[0037] The temperature control unit 10 includes a mounting plate 13 and an anti-dry-burning thermostat 14 disposed on the mounting plate 13; the mounting plate 13 is arranged on the heating element 11 and connected to the heating element 11; at least one anti-dry-burning thermostat 14 is disposed on the mounting plate 13.

[0038] By setting up a temperature control unit 10 including a mounting plate 13 and an anti-dry-burning thermostat 14, with the mounting plate 13 closely arranged on and connected to the heating tube, the temperature changes of the heating tube can be sensed in real time and accurately. When the temperature rises abnormally or dry-burning occurs, the anti-dry-burning thermostat 14 can cut off the power supply, effectively preventing dangerous accidents and strongly ensuring safety during use.

[0039] The heating chamber 2 is provided with a water inlet connector 15 and a water outlet connector 16, which are arranged far apart and connected to the heating channel 6.

[0040] By installing an inlet connector 15 and an outlet connector 16 on the heating chamber 2 and connecting them to the heating channel 6, and by arranging the inlet connector 15 and outlet connector 16 at a relatively far distance, sufficient flow time and space are created for the fluid within the heating channel 6, enabling it to fully absorb heat and achieving efficient heat exchange. This minimizes heat loss, significantly improves energy utilization efficiency, and reduces energy waste.

[0041] The second heating tube 17 is arranged at any position on the outer surface of the heating cavity 2, and there is at least one second heating tube 17.

[0042] By providing at least one second heating tube 17 on the outer surface of the heating chamber 2, the distribution range of the heating source is further expanded. Under high power demand conditions, the second heating tube 17 can quickly replenish heat, significantly improving the overall heating power and efficiency. The coordinated operation of multiple heating tubes allows the system to flexibly adjust the heating power according to actual operating conditions, adapting to different ambient temperatures and usage requirements. This significantly improves the heater's adaptability and flexibility in fluid heating, meeting the heating requirements under various complex working conditions.

[0043] Both ends of the first heating tube 12 and the second heating tube 17 are provided with wiring connectors 18, and wiring pieces 19 are provided on the wiring connectors 18.

[0044] By providing connectors 18 and connecting pieces 19 at both ends of the first heating tube 12 and the second heating tube 17, a convenient, stable, and reliable electrical connection is established between the heating tubes and the power supply. The design of connectors 18 and connecting pieces 19 effectively reduces contact resistance, significantly improves the efficiency of power transmission, and ensures that the heating tubes receive a stable and sufficient power supply.

[0045] The heating cavity 2 and the heating cover plate 7 are integrally die-cast and are welded and sealed together.

[0046] By using integral die casting or extrusion molding for the heating chamber 2 and heating cover plate 7, and then welding and sealing them together, or by using sealing rings for assembly and sealing, the heating chamber 2 and heating cover plate 7 can be integrally or separately die-cast, or integrally or separately extruded. This effectively ensures the dimensional accuracy and shape consistency of the components, significantly reducing potential errors and defects during manufacturing. The welding connection provides a high-strength, high-sealing connection, effectively preventing fluid and heat leakage, greatly improving the heater's efficiency and safety. Integral die casting not only reduces production costs but also significantly improves production efficiency, providing strong support for large-scale production.

[0047] The heating chamber 2 and the heating cover plate 7 are made of materials including copper, zinc, aluminum, magnesium, lead, tin, aluminum alloy, etc.

[0048] By offering a variety of material options for the heating chamber 2 and the heating cover 7, including copper, zinc, aluminum, magnesium, lead, tin, and aluminum alloy, the most suitable material can be flexibly selected based on the specific operating environment, performance requirements, and cost budget. This fully satisfies the stringent performance requirements of the product under different operating conditions while effectively controlling costs, significantly increasing the flexibility and applicability of the design, and meeting the diverse needs of different customers and markets.

[0049] An electric vehicle includes a heater as described above.

[0050] By applying this heater to electric vehicles, the heating performance of the vehicle's interior fluids in cold weather or under heating conditions is greatly improved. It can quickly and efficiently provide a warm and comfortable environment inside the vehicle in a short time. At the same time, the efficient heating performance effectively reduces energy consumption.

[0051] The electric vehicles mentioned are electric vehicles, fuel cell electric vehicles, and hybrid electric vehicles.

[0052] The heater described above is suitable for various types of electric vehicles, including electric vehicles, fuel cell electric vehicles, and hybrid electric vehicles, thereby effectively expanding its application range and improving the overall heating performance and applicability of the vehicle.

[0053] like Figures 1 to 6As shown, uniform and efficient heating is achieved by setting staggered flow channel ribs 4 to form heating channels 5 and corresponding finned heating cover plates 7; sufficient heating power is ensured by setting a first heating tube 12 on the heating cover plate 7 and a second heating tube 17 on the outer surface of the cavity; precise temperature control and anti-dry burning are achieved by setting adjacent temperature control units 10 to ensure safe use; heat exchange is optimized by setting water inlet connectors 15 and water outlet connectors 16 arranged far apart and connected to the heating flow channels 6 on the heating cavity 2; stable power supply is ensured by setting wiring connectors 18 and wiring pieces 19 at both ends of the heating tubes; structural accuracy and sealing are ensured by integrally die-casting the heating cavity 2 and heating cover plate 7 and welding them together for sealing; different performance and cost requirements are met by using various materials to manufacture the heating cavity 2 and heating cover plate 7; and the overall heating performance and applicability of the vehicle are improved by applying this heater to various electric vehicles.

[0054] In this embodiment 2, Fluid enters the heating channel 6 of the heating chamber 2 through the water inlet connector 15. The heating channel 6 is composed of staggered flow channel ribs 4, which increases the flow path of the fluid in the channel and ensures full contact with the heating surface.

[0055] The heating cover 7 on the heating cover 7 plays a heating role, the first heating tube 12 on the heating cover 7 provides heat, and the second heating tube 17 on the outer surface of the heating cavity 2 further supplements the heating.

[0056] During the heating process, the anti-dry-burning thermostat 14 monitors the temperature in real time. When the temperature is abnormal, the anti-dry-burning thermostat 14 on the mounting plate 13 will play its role to ensure safety.

[0057] The integrated die-cast heating chamber 2 and heating cover 7, with welded and sealed connections, ensure structural stability and sealing. The heating chamber 2 and heating cover 7, available in a variety of materials, meet different performance and cost requirements.

[0058] The fully heated fluid eventually flows out from the outlet connector 16, providing the electric vehicle with the necessary heat energy.

[0059] In the description of this specification, references are made to the terms "one embodiment", "some embodiments", "example", "specific example". The descriptions using terms such as "example" or "some examples" refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0060] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, welding, and bonding that are mature in the prior art, and will not be described in detail here.

[0061] The above description is only a preferred embodiment of the present invention. For those skilled in the art, various modifications and variations can be made in the specific implementation and application scope based on the ideas of the present invention. The content of this specification should not be construed as a limitation of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A heater, characterized in that: Includes a heater body, the heater body comprising: A heating cavity is provided, wherein a flow channel rib unit is arranged inside the heating cavity. The flow channel rib unit is composed of several flow channel ribs. Several flow channel ribs are spaced apart and staggered to form several heating channels. Several heating flow channels are connected to form a heating flow channel. A heating cover plate is disposed on the heating cavity, and the heating cover plate is provided with a plurality of fins corresponding to the heating channel, each of the fins extending into the heating channel; A heating unit is disposed at the end of the heating cover plate opposite to the fins; A temperature control unit is provided, which is located adjacent to the heating unit.

2. A heater according to claim 1, characterized in that: The heating unit consists of several heating elements, including several first heating tubes and second heating tubes. The first heating tubes are disposed on the heating cover plate, and the heating cover plate is arranged with at least one first heating tube along the fins.

3. A heater according to claim 2, characterized in that: The temperature control unit includes a mounting plate and an anti-dry-burning thermostat mounted on the mounting plate; the mounting plate is arranged on the heating element and connected to the heating element; at least one anti-dry-burning thermostat is provided on the mounting plate.

4. A heater according to claim 1, characterized in that: The heating chamber is equipped with a water inlet connector and a water outlet connector, which are arranged at opposite ends and connected to the heating flow channel.

5. A heater according to claim 2, characterized in that: The second heating tube is arranged at any position on the outer surface of the heating chamber, and there is at least one second heating tube.

6. A heater according to claim 5, characterized in that: Both ends of the first heating tube and the second heating tube are provided with wiring connectors, and wiring plates are provided on the wiring connectors.

7. A heater according to claim 1, characterized in that: The heating cavity and the heating cover are integrally die-cast or extruded, and the heating cavity and the heating cover are sealed by welding or by assembling a sealing ring.

8. A heater according to claim 1, characterized in that: The heating chamber and heating cover are made of materials including copper, zinc, aluminum, magnesium, lead, tin, and aluminum alloy.

9. An electric vehicle comprising a heater as described in any one of claims 1 to 8.

10. An electric vehicle according to claim 9, characterized in that: The electric vehicles mentioned are electric vehicles, fuel cell electric vehicles, and hybrid electric vehicles.