A generator with a preheating structure and a fuel heater used in cooperation with the generator
By introducing a preheating structure into the generator and using the hot air from the fuel heater to heat the circulating lubricating oil, the problem of generators being difficult to start in low-temperature environments is solved, enabling generators to start quickly and operate normally under low-temperature conditions.
Patent Information
- Application Number
- CN202522129425.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-09
AI Technical Summary
Existing fuel-fired heaters have difficulty starting their generators immediately in sub-zero temperatures, resulting in low machine efficiency.
Design a generator with a preheating structure. The generator components are preheated in low-temperature environments through a heat collection unit and a heat conduction unit. The circulating lubricating oil is heated by hot air from a fuel heater to ensure normal generator start-up in low-temperature environments.
This enables the generator to start quickly in low-temperature environments, improves the heating effect, and ensures that the heater can work normally under low-temperature conditions.
Smart Images

Figure CN224931777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power generation and heating equipment, and in particular to a generator with a preheating structure and a fuel-fired heater used in conjunction with the generator. Background Technology
[0002] A heater is a device used for heating. Oil-fired heaters primarily use oil as fuel to generate heat, serving as devices for warmth and protection against the cold. Oil-fired heaters offer advantages such as portability, flexibility, small size, light weight, powerful performance, and ease of operation. They provide a large heating area, heat up quickly, have a near 100% combustion efficiency, and are smokeless, odorless, and noiseless. They are safe, clean, energy-efficient, and environmentally friendly. Furthermore, their mobility and ease of movement, coupled with comfortable heating, make them very popular in the market.
[0003] Existing fuel-fired heaters typically require auxiliary equipment, such as generators, to continue operating after the fuel tank is depleted due to limited fuel capacity. However, there is a problem with using generators in conjunction with fuel-fired heaters: in sub-zero temperatures, the generator's internal circulating lubricating oil flows slowly, making it difficult to start immediately. This results in the generator being unable to start immediately and provide heating, leading to low machine efficiency. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a generator with a preheating structure and a fuel-fired heater used in conjunction with the generator, in light of the current state of the technology.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a generator with a preheating structure, including a main unit, the main unit including a chassis, a generator assembly for generating electricity is provided inside the chassis, the chassis is provided with a preheating structure for preheating and starting the generator assembly in a low-temperature environment, the preheating structure is connected to the generator assembly, the chassis has an air outlet for discharging hot air, and the other end of the preheating structure is connected to the air outlet; in a low-temperature environment, the preheating structure collects and transfers the heat from the air outlet to the generator assembly, and the generator assembly preheats and starts working in advance.
[0006] Preferably, the preheating structure includes a heat collection unit and a heat conduction unit connected to the heat collection unit. The heat collection unit includes an insulation shell and an insulation board disposed inside the insulation shell. A heat collection space for collecting heat is formed between the insulation shell and the insulation board.
[0007] Preferably, a heat collector is provided on the side of the heat insulation board away from the heat insulation shell. The heat collector is equipped with a temperature control unit for sensing the temperature in the heat collection space. The temperature control unit extends towards the heat collection space. A heat dissipation fan is provided on the side of the heat collector away from the heat insulation board for heat dissipation.
[0008] Preferably, the chassis has a heat dissipation vent that works with the cooling fan to dissipate heat. The cooling fan is connected to the preheating structure and the outside through the heat dissipation vent. When the temperature control unit senses that the temperature in the heat collection space is higher than the set value, the cooling fan is started. The excess heat in the heat collection space is discharged to the outside through the heat collector and the cooling fan in sequence. The cooling fan and the temperature control unit are electrically connected.
[0009] Preferably, the heat conduction unit includes a miniature high-temperature resistant motor and a heat collection head. One end of the miniature high-temperature resistant motor is connected to the interior of the heat collection space, and the other end of the miniature high-temperature resistant motor is connected to the heat collection head. The other end of the heat collection head extends near the air outlet. The heat collection head collects the heat near the air outlet and transfers the heat to the interior of the heat collection space through the miniature high-temperature resistant motor.
[0010] Preferably, the outer side of the heat insulation shell is provided with a circulating oil pump for realizing heat circulation. The circulating oil pump is fixed on the heat insulation shell and communicates with the interior of the heat collection space. The generator assembly is provided with a circulation unit for driving the operation of the generator assembly. The circulation unit includes a circulation conduit, and circulating lubricating oil flows in the circulation conduit.
[0011] Preferably, the circulating oil pump is connected to the circulating conduit via a pipeline. The heat in the heat collection space enters the circulating conduit through the circulating oil pump. The heat heats the circulating lubricating oil in the circulating conduit, causing it to circulate in advance and drive the generator assembly to start working.
[0012] Preferably, the heat collector is provided with at least one set of diesel inlet and outlet and at least one set of engine oil inlet and outlet.
[0013] A fuel-fired heater includes a fuel-fired heater assembly housed in a casing and a generator with a preheating structure. The generator with the preheating structure includes a generator assembly, the fuel-fired heater assembly, and the generator assembly, which are electrically controlled to each other. The generator assembly is connected to the fuel-fired heater assembly via a conductive structure and drives the fuel-fired heater assembly to start. The fuel-fired heater assembly has an air outlet at one end, which is located near the air outlet. The generator assembly contains a power supply unit for driving the fuel-fired heater assembly to start preheating in a low-temperature environment.
[0014] Compared with the prior art, the advantages of this utility model are as follows: After the power supply unit in the generator assembly drives the fuel heater to start, the preheating structure recovers part of the temperature of the fuel heater's air outlet and transfers the heat to the circulation unit in the generator, so that the circulating lubricating oil is heated up quickly, achieving the purpose of normal generator start-up in low temperature environment and improving heating effect. Attached Figure Description
[0015] Fig. 1 This is a schematic diagram of the structure of this utility model; Fig. 2 This is a schematic diagram of the structure of this utility model; Fig. 3 This is an exploded structural diagram of the present invention; Fig. 4 This is a schematic diagram of the structure of this utility model; Fig. 5 This is a schematic diagram of the preheating structure of this utility model; Fig. 6 This is a cross-sectional structural diagram of the preheating structure of this utility model; Fig. 7 This is an exploded structural diagram of the present invention.
[0016] Reference numerals: 1. Chassis; 2. Generator assembly; 3. Preheating structure; 4. Air outlet; 5. Insulation shell; 6. Insulation board; 7. Heat collection space; 8. Heat collector; 9. Radiator fan; 10. Heat dissipation port; 11. Miniature high-temperature resistant motor; 12. Heat collector head; 13. Circulating oil pump; 14. Diesel inlet and outlet; 15. Engine oil inlet and outlet; 16. Fuel-fired heater assembly; 17. Air outlet. Detailed Implementation
[0017] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.
[0018] It should be noted that all directional indicators in this utility model embodiment, 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 indicator will also change accordingly.
[0019] 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. For those skilled in the art, the specific meaning of these terms in this utility model can be understood according to the specific circumstances.
[0020] 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 structures; 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 existing technologies 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 utility model based on the specific circumstances.
[0021] Furthermore, in this utility model, 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 utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their 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, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0022] like Figs. 1 to 7 As shown, this utility model provides a generator with a preheating structure, including a main unit, the main unit including a chassis 1, a generator assembly 2 for generating electricity is provided in the chassis 1, the chassis 1 is provided with a preheating structure 3 for preheating and starting the generator assembly 2 in a low temperature environment, the preheating structure 3 is connected to the generator assembly 2, and the chassis 1 has an air outlet 4 for discharging hot air, the other end of the preheating structure 3 is connected to the air outlet 4; specifically, in a low temperature environment, the preheating structure 3 collects and transfers the heat from the air outlet 4 to the generator assembly 2, and the generator assembly 2 preheats and starts working in advance.
[0023] The preheating structure 3 includes a heat collection unit and a heat conduction unit connected to the heat collection unit; specifically, the heat collection unit includes an insulation shell 5 and an insulation plate 6 disposed inside the insulation shell 5, and a heat collection space 7 for collecting heat is formed between the insulation shell 5 and the insulation plate 6.
[0024] A heat collector 8 is provided on the side of the heat insulation board 6 away from the heat insulation shell 5. The heat collector 8 is equipped with a temperature control unit for sensing the temperature inside the heat collection space 7. Specifically, the temperature control unit extends towards the heat collection space 7, and a heat dissipation fan 9 is provided on the side of the heat collector 8 away from the heat insulation board 6 for heat dissipation.
[0025] The chassis 1 has a heat dissipation vent 10 that works in conjunction with the cooling fan 9 to dissipate heat. The cooling fan 9 connects to the preheating structure 3 and the outside environment through the heat dissipation vent 10. Specifically, when the temperature control unit senses that the temperature inside the heat collection space 7 is higher than a set value, the cooling fan 9 starts. Excess heat in the heat collection space 7 is discharged to the outside environment through the heat collector 8 and the cooling fan 9. The cooling fan 9 and the temperature control unit are electrically connected. The temperature control unit is set to 45°C. When the temperature control unit senses that the temperature inside the heat collection space 7 is greater than 45°C, the cooling fan 9 starts dissipating heat. The electrical control relationship and electrical connection relationship between the cooling fan 9 and the temperature control unit are common and easily conceived techniques for those skilled in the art, and therefore will not be elaborated further.
[0026] The heat transfer unit includes a miniature high-temperature resistant motor 11 and a heat collection head 12. One end of the miniature high-temperature resistant motor 11 is connected to the interior of the heat collection space 7, and the other end of the miniature high-temperature resistant motor 11 is connected to the heat collection head 12. The other end of the heat collection head 12 extends near the air outlet 4. Specifically, the heat collection head 12 collects the heat near the air outlet 4 and transfers the heat to the interior of the heat collection space 7 through the miniature high-temperature resistant motor 11.
[0027] The outer side of the heat insulation shell 5 is provided with a circulating oil pump 13 for realizing heat circulation. The circulating oil pump 13 is fixed on the heat insulation shell 5 and communicates with the interior of the heat collection space 7. Specifically, the generator assembly 2 is provided with a circulation unit for driving the operation of the generator assembly 2. The circulation unit includes a circulation conduit, and circulating lubricating oil flows in the circulation conduit.
[0028] The circulating oil pump 13 is connected to the circulating conduit via a pipeline, and the heat in the heat collection space 7 enters the circulating conduit through the circulating oil pump 13; specifically, the heat heats the circulating lubricating oil in the circulating conduit, causing it to circulate and drive the generator assembly 2 to start working. After the circulating lubricating oil absorbs heat and accelerates its flow, the generator assembly 2 is started working by using the start key.
[0029] The heat collector 8 is provided with at least one set of diesel inlet / outlet 14 and at least one set of engine oil inlet / outlet 15.
[0030] A fuel-fired heater includes a fuel-fired heater assembly 16 disposed within a casing 1 and a generator with a preheating structure. The generator with the preheating structure includes a generator assembly 2, and the fuel-fired heater assembly 16 and the generator assembly 2 are electrically controlled to each other. Specifically, the generator assembly 2 is connected to the fuel-fired heater assembly 16 through a conductive structure and drives the fuel-fired heater assembly 16 to start. The fuel-fired heater assembly 16 has an air outlet 17 at its end, which is arranged near an air outlet 4. The generator assembly 2 is provided with a power supply unit for driving the fuel-fired heater assembly 16 to start preheating in a low-temperature environment.
[0031] The working principle of this utility model is as follows: The main unit is placed in a low-temperature environment. The power supply unit within the generator assembly 2 first drives the fuel-fired heater assembly 16 to operate. The fuel-fired heater assembly 16 generates hot air, which is blown out from the air outlet 17 at the end of the fuel-fired heater assembly 16. The hot air then exits through the air outlet 4 located near the air outlet 17 to the outside, achieving a heating effect. At this time, due to the high temperature of the hot air flowing through the air outlet 17 and air outlet 4, the heat collector 12 collects the heat near the air outlet 4 and transfers it to the heat collection space 7 through the miniature high-temperature resistant motor 11. The heat inside the heat collection space 7 then circulates... Oil pump 13 delivers oil to the circulation conduit, where circulating lubricating oil flows. Due to the low temperature environment, the circulation speed of the lubricating oil is slow and cannot reach the level required to drive the generator assembly 2. When heat is transferred to the circulation conduit, the circulating lubricating oil absorbs heat and heats up rapidly, increasing the flow rate of the lubricating oil. After the circulating lubricating oil accelerates its flow, the generator assembly 2 is driven to start quickly in the low temperature environment by the start key. Thus, electricity is transmitted to the fuel heater assembly 16 through the conductive structure connecting the generator assembly 2 and the fuel heater assembly 16, extending the heating time of the fuel heater assembly 16 and improving the heating effect. When the temperature inside the heat collection space 7 exceeds 45°C, the temperature control unit senses and controls the cooling fan 9 to start. Excess heat inside the heat collection space 7 passes through the heat collector 8 and is then discharged to the outside through the cooling fan 9 and the heat dissipation port 10, thereby preventing the internal structure from being damaged due to excessively high temperature inside the heat collection space 7.
[0032] The installation principle of this utility model is as follows: First, the fuel heater assembly 16 and the generator assembly 2 are installed and fixed inside the casing 1, and the generator assembly 2 and the fuel heater assembly 16 are electrically connected through the conductive structure on the generator assembly 2. At this time, the air outlet 17 at the end of the fuel heater assembly 16 is aligned with the air outlet 4 on the side wall of the casing 1, and then the preheating structure 3 is installed. The heat insulation board 6 is installed inside the heat insulation shell 5, so that a heat collection space 7 is formed between the inner wall of the heat insulation shell 5 and the heat insulation board 6. Then, the heat collector 8 is installed and fixed on the side of the heat insulation board 6 away from the heat insulation shell 5, so that the temperature control unit on the heat collector 8 extends into the heat collection space 7 through the opening on the heat insulation board 6. Then, the heat dissipation fan 9 is installed and fixed on the side of the heat collector 8 away from the heat insulation board 6. The micro high temperature resistant motor 11 and the heat collection head 12 are fixedly connected to the side wall of the heat insulation shell 5 near the end of the micro high temperature resistant motor 11, so that the heat collection head 12 extends and is arranged near the air outlet 4. Finally, the circulating oil pump 13 is fixedly installed on the heat insulation shell 5 and communicates with the inside of the heat collection space 7. The preheating structure 3 is then fixedly installed inside the chassis 1, with the cooling fan 9 snapped onto the heat dissipation vent 10 on the side wall of chassis 1. The heat collector 12 is positioned near the air outlet 4. Finally, a pipeline connects the circulating oil pump 13 to the circulating conduit inside the generator assembly 2, allowing heat from the heat collection space 7 to sequentially enter the circulating conduit through the circulating oil pump 13 and the pipeline. This causes the circulating lubricating oil in the circulating conduit to absorb heat and accelerate its flow. Specifically, there are two circulating oil pumps 13, one for heating the circulating lubricating oil and the other for heating the diesel fuel.
[0033] The advantages of this utility model are as follows: After the power supply unit in the generator assembly 2 drives the fuel heater to start, the preheating structure 3 recovers part of the temperature of the fuel heater outlet 4 and transfers the heat to the circulation unit in the generator, so that the circulating lubricating oil is heated up quickly, so as to achieve the purpose of normal generator start-up in low temperature environment and improve the heating effect.
[0034] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the 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.
[0035] 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 existing technology, and will not be described in detail here.
[0036] The above description is only a preferred embodiment of this utility model. For those skilled in the art, various modifications and variations can be made in the specific implementation and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.
Claims
1. A generator with a preheating structure, comprising a main unit, the main unit including a chassis, and a generator assembly for generating electricity disposed within the chassis, characterized in that: The chassis is equipped with a preheating structure for preheating and starting the generator assembly in a low-temperature environment. The preheating structure is connected to the generator assembly, and the chassis has an air outlet for discharging hot air. The other end of the preheating structure is connected to the air outlet. In a low-temperature environment, the preheating structure collects and transfers the heat from the air outlet to the generator assembly, which then preheats and starts working in advance.
2. A generator with a preheating structure according to claim 1, characterized in that: The preheating structure includes a heat collection unit and a heat conduction unit connected to the heat collection unit. The heat collection unit includes an insulation shell and an insulation board disposed inside the insulation shell. A heat collection space for collecting heat is formed between the insulation shell and the insulation board.
3. A generator with a preheating structure according to claim 2, characterized in that: A heat collector is provided on the side of the heat insulation board away from the heat insulation shell. The heat collector is equipped with a temperature control unit for sensing the temperature in the heat collection space. The temperature control unit extends towards the heat collection space. A heat dissipation fan is provided on the side of the heat collector away from the heat insulation board.
4. A generator with a preheating structure according to claim 3, characterized in that: The chassis has a heat dissipation vent that works with the cooling fan to dissipate heat. The cooling fan is connected to the preheating structure and the outside through the heat dissipation vent. When the temperature control unit senses that the temperature in the heat collection space is higher than the set value, the cooling fan starts. The excess heat in the heat collection space is discharged to the outside through the heat collector and the cooling fan in sequence. The cooling fan and the temperature control unit are electrically connected.
5. A generator with a preheating structure according to claim 2, characterized in that: The heat transfer unit includes a miniature high-temperature resistant motor and a heat collection head. One end of the miniature high-temperature resistant motor is connected to the interior of the heat collection space, and the other end of the miniature high-temperature resistant motor is connected to the heat collection head. The other end of the heat collection head extends near the air outlet. The heat collection head collects the heat near the air outlet and transfers the heat to the interior of the heat collection space through the miniature high-temperature resistant motor.
6. A generator with a preheating structure according to claim 2, characterized in that: The outer side of the heat insulation shell is equipped with a circulating oil pump for realizing heat circulation. The circulating oil pump is fixed on the heat insulation shell and communicates with the interior of the heat collection space. The generator assembly is equipped with a circulation unit for driving the operation of the generator assembly. The circulation unit includes a circulation conduit, and circulating lubricating oil flows in the circulation conduit.
7. A generator with a preheating structure according to claim 6, characterized in that: The circulating oil pump is connected to the circulating conduit via a pipeline. The heat in the heat collection space enters the circulating conduit through the circulating oil pump. The heat heats the circulating lubricating oil in the circulating conduit, causing it to circulate in advance and drive the generator assembly to start working.
8. A generator with a preheating structure according to claim 3, characterized in that: The heat collector is equipped with at least one set of diesel inlet and outlet and at least one set of engine oil inlet and outlet.
9. A fuel-fired heater, comprising a fuel-fired heater assembly disposed within a casing and a generator with a preheating structure as described in any one of claims 1-8, characterized in that: The generator with a preheating structure includes a generator assembly, a fuel-fired heater assembly, and an electrical control connection between the generator assembly and the fuel-fired heater assembly. The generator assembly is connected to the fuel-fired heater assembly via a conductive structure and drives the fuel-fired heater assembly to start. The fuel-fired heater assembly has an air outlet at its end, which is located near the air outlet. The generator assembly contains a power supply unit for driving the fuel-fired heater assembly to start preheating in a low-temperature environment.
