CN117027994A

CN117027994A - Auxiliary heating system of engine and engine

Info

Publication number: CN117027994A
Application number: CN202311013484.9A
Authority: CN
Inventors: 高聪豪; 王瑞智; 蔡德武; 蔚永军
Original assignee: Zhengzhou Foguang Power Generation Equipment Co Ltd
Current assignee: Zhengzhou Foguang Power Generation Equipment Co Ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2023-11-10

Abstract

The invention discloses an engine auxiliary heating system and an engine. The engine auxiliary heating system comprises a heating bottom plate and heating side plates, a bottom plate heating structure is arranged in the heating bottom plate, side heating structures are arranged in the heating side plates, the heating bottom plate is of a polygonal structure, one heating side plate is connected to each side of each heating bottom plate, a heating runner is arranged in the heating bottom plate, an inlet end of each heating runner is used for being connected with a heat source output device, and an outlet end of each heating runner is used for discharging a heat source. The auxiliary heating system of the engine can preheat the lubricating system of the engine, and ensure that the engine can be normally started in an extremely cold environment. The invention utilizes the heat generated by the electric heating and the fuel oil heater to preheat the lubrication system, can improve the preheating efficiency and can fully utilize the energy. In addition, the invention utilizes two structures of the magnet and the fastening rope to be connected with the engine, thereby improving the installation reliability and convenience.

Description

Auxiliary heating system of engine and engine

Technical Field

The invention relates to the technical field of engines, in particular to an auxiliary heating system of an engine and the engine.

Background

The extremely cold environment generally refers to the environment temperature below 40 ℃ below zero, and the weather is more common in northern areas of China, under the environment temperature, the engine body and the air inlet temperature are lower, the starting is difficult, and the existing technical conditions can heat the temperature around the engine combustion chamber (air cylinder) through air inlet preheating and cooling liquid heating, so that the starting performance of the engine in a low-temperature environment is improved.

However, the above two preheating methods have very limited efficiency, because the coolant passage in the engine is only arranged at the upper part (around the cylinder) of the engine, the intake preheating only heats the air in the intake manifold (intake passage), and the engine oil (lubricating oil) flows back into the engine oil shell at the lowest end of the engine under the action of gravity when the engine is still standing (in a non-running state), the above two engine heating methods cannot effectively heat the engine oil, and the physical state of the engine oil tends to be solid under the low-temperature environment, especially under the extremely cold environment, and the flowing and lubricating characteristics are lost (the best low-temperature model 0W series engine oil is also the best), so the conditions of starting failure and engine damage occur due to the fact that the engine oil pressure cannot be built, and the whole power generation system cannot normally work as a result.

Disclosure of Invention

Aiming at the defects of the prior art, the invention innovatively provides an engine auxiliary heating system and an engine, which can solve the technical problem of low-temperature start failure caused by poor preheating effect of the engine in an extremely cold environment.

In order to achieve the technical aim, the invention discloses an auxiliary heating system of an engine, which comprises a heating bottom plate and a heating side plate, wherein a bottom plate heating structure is arranged in the heating bottom plate, a side part heating structure is arranged in the heating side plate,

the heating bottom plates are of polygonal structures, the edge of each heating bottom plate is connected with one heating side plate,

the heating bottom plate is internally provided with a heating flow passage, the inlet end of the heating flow passage is used for being connected with a heat source output device, and the outlet end of the heating flow passage is used for discharging a heat source.

Further, the heating base plate includes:

the bottom plate heat conduction layer is used for contacting with the engine bottom shell to transfer heat;

the bottom plate electric heating layer is attached to the bottom plate heat conducting layer, and the bottom plate electric heating layer is electrified to generate heat;

the circulating layer comprises at least one heating runner, the circulating layer is attached to the bottom plate electric heating layer, and an inlet end and an outlet end of the heating runner are formed on the side part of the circulating layer;

the bottom plate heat preservation, the bottom plate heat preservation laminating is in on the circulation layer.

Further, the heating side plate includes:

the side plate heat conduction layer is used for contacting with the engine bottom shell to transfer heat;

the side plate electric heating layer is attached to the side plate heat conducting layer, and the side plate electric heating layer is electrified to generate heat;

the side plate heat preservation layer is attached to the side plate electric heating layer.

Further, the auxiliary heating system of the engine also comprises a temperature controller which is arranged on the heating bottom plate or the heating side plate,

the temperature controller is electrically connected with the bottom plate electric heating layer and the side plate electric heating layer.

Further, the engine auxiliary heating system further comprises a temperature sensor, wherein the temperature sensor is arranged on the heating bottom plate or the heating side plate, and the temperature sensor is connected with the temperature controller.

Further, a plurality of fixing bags are arranged on the side plate heat conduction layer and/or the bottom plate heat conduction layer, and magnets are arranged in the fixing bags.

Further, the heating side plates are flexibly connected with the heating bottom plate, and a plurality of heating side plates are mutually independent.

Further, the edge of the heating side plate far away from the heating bottom plate is provided with a rope buckle,

the heating side plates are connected through a fastening rope.

A second aspect of the present invention discloses an engine comprising the above engine auxiliary heating system, the engine auxiliary heating system being attached to a bottom shell of the engine.

Further, the engine includes a fuel heater,

the smoke outlet of the fuel oil heater is connected with the inlet end of the heating runner, and the outlet end of the heating runner is connected with the smoke discharging cylinder; or,

the hot water outlet of the fuel oil heater is connected with the inlet end of the heating runner, and the outlet end of the heating runner is connected with the water return port of the fuel oil heater.

The beneficial effects of the invention are as follows:

the auxiliary heating system of the engine can preheat the lubricating system of the engine, and ensure that the engine can be normally started in an extremely cold environment. The engine auxiliary heating system provided by the invention can preheat the lubricating system by utilizing the heat generated by the electric heating and the fuel oil heater, so that the preheating efficiency can be improved, and the energy can be fully utilized. In addition, the invention utilizes two structures of the magnet and the fastening rope to be connected with the engine, thereby improving the installation reliability and convenience.

Drawings

FIG. 1 shows a schematic diagram of an engine auxiliary heating system according to an embodiment of the present invention;

FIG. 2 shows a schematic cross-sectional view of a heating soleplate;

FIG. 3 shows a schematic cross-sectional view of a heating side plate;

fig. 4 shows a schematic structural view of a heating side plate;

fig. 5 shows a schematic side view of a heating soleplate.

In the drawing the view of the figure,

1. heating the bottom plate; 11. a bottom plate heat conduction layer; 12. a bottom plate electric heating layer; 13. a flow-through layer; 131. an inlet end; 14. a bottom plate heat preservation layer; 2. heating the side plates; 21. a side plate heat conduction layer; 211. fixing the bag; 22. a side plate electric heating layer; 23. a side plate heat preservation layer; 24. rope buckles; 3. and a temperature controller.

Detailed Description

The engine auxiliary heating system and the engine provided by the invention are explained and illustrated in detail below with reference to the attached drawings.

The auxiliary heating system of the engine can preheat the lubricating system of the engine, and ensure that the engine can be normally started in an extremely cold environment. The engine auxiliary heating system provided by the invention can preheat the lubricating system by utilizing the heat generated by the electric heating and the fuel oil heater, so that the preheating efficiency can be improved, and the energy can be fully utilized. In addition, the invention utilizes two structures of the magnet and the fastening rope to be connected with the engine, thereby improving the installation reliability and convenience. The invention is described in detail below in connection with specific implementations:

in one embodiment, the invention provides an engine auxiliary heating system for heating engine oil of an engine so that the engine can be started normally in a low-temperature environment. As shown in fig. 1, the engine auxiliary heating system comprises a heating bottom plate 1 and a heating side plate 2, a bottom plate heating structure is arranged in the heating bottom plate 1, a side part heating structure is arranged in the heating side plate 2, the heating bottom plate 1 is used for preheating the bottom wall of the engine bottom shell, and the heating side plate 2 is used for preheating the side wall of the engine bottom shell.

The heating bottom plates 1 are of polygonal structures, a heating side plate 2 is connected to each side of each heating bottom plate 1, and the shape of each heating bottom plate 1 can be determined according to the shape of the engine bottom shell. As shown in fig. 2, the heating floor 1 includes: the heat-conducting layer 11 of the bottom plate, the heat-igniting layer 12 of the bottom plate, the circulation layer 13 and the heat-insulating layer 14 of the bottom plate, wherein the heat-conducting layer 11 of the bottom plate is used for contacting with the bottom shell of the engine to transfer heat, and the heat-conducting layer 11 of the bottom plate is made of heat-conducting silicone grease material and has good heat-conducting performance. The bottom plate electrothermal layer 12 is attached to the bottom plate heat conduction layer 11, the bottom plate electrothermal layer 12 is electrified to generate heat, and the heat is transferred to the engine bottom shell through the bottom plate heat conduction layer 11, and the bottom plate electrothermal layer 12 is composed of an electric heating wire and can be connected with a storage battery of an engine or a vehicle, so that the heat can be generated by utilizing electric energy.

As shown in fig. 2 and 5, the circulation layer 13 is attached to the electrothermal layer 12 of the base plate, one or more heating channels are formed in the circulation layer, an inlet end 131 of each heating channel is used for being connected with a heat source output device, an outlet end of each heating channel is used for discharging a heat source, high-temperature gas or liquid can circulate, and the bottom shell of the engine is preheated by using the temperature of the high-temperature liquid or gas. For example, the heating flow path is connected to a fuel heater, and the circulating water or the exhaust smoke of the fuel heater is used to provide a heat source.

The layer laminating is established to bottom plate heat preservation 14 on circulation layer 13, and bottom plate heat preservation 14 plays thermal-insulated heat retaining effect, reduces or avoids heat to deviating from the direction of engine drain pan to propagate, and optionally, bottom plate heat preservation 14 comprises rock wool and aluminium foil membrane, and the rock wool is located inboard and the contact of circulation layer 13, plays thermal-insulated heat retaining effect, and the aluminium foil membrane is located the outside and plays reflection effect reduction temperature outside and propagate.

As shown in fig. 1 and 3, the heating side plate 2 has a quadrilateral structure, for example, can be in a rectangular or trapezoid structure, and is connected with the side edge of the heating bottom plate 1, alternatively, the heating side plate 2 is flexibly connected with the heating bottom plate 1, so that the heating side plate 2 can be turned over by a certain angle relative to the heating bottom plate 1, and the plurality of heating side plates 2 are mutually independent, each heating side plate 2 can be turned over independently relative to the heating bottom plate 1, so that the heating side plate 2 can better adapt to the shape of the engine bottom plate, and the heating side plate 2 can be attached to the side wall of the engine bottom plate in a larger area as much as possible, thereby improving the heating efficiency.

As shown in fig. 3, the heating side plate 2 includes: the side plate heat conduction layer 21, the side plate electric heating layer 22 and the side plate heat preservation layer 23, wherein the side plate heat conduction layer 21 is used for contacting with the bottom shell of the engine to transfer heat, and the side plate heat conduction layer 21 is made of heat conduction silicone grease material and has good heat conduction performance. The side plate electric heating layer 22 is attached to the side plate heat conducting layer 21, the side plate electric heating layer 22 is electrified to generate heat, the heat is transferred to the engine bottom shell through the side plate heat conducting layer 21, the side plate electric heating layer 22 is composed of an electric heating wire, and the side plate electric heating layer 22 can be connected with a storage battery of an engine or a vehicle and can generate heat by utilizing electric energy. The side plate electric heating layers and the bottom plate electric heating layers of the plurality of heating side plates 2 are connected in series or in parallel.

The layer laminating is established to curb plate heat preservation 23 on curb plate electrothermal layer 22, and curb plate heat preservation 23 plays thermal-insulated heat retaining effect, reduces or avoids heat to deviating from the direction of engine drain pan to propagate, and optionally, curb plate heat preservation 23 comprises rock wool and aluminium foil membrane, and the rock wool is located inboard and the contact of circulation layer 13, plays thermal-insulated heat retaining effect, and the aluminium foil membrane is located the outside and plays reflection effect reduction temperature outside and propagate.

In this embodiment, as shown in fig. 5, the engine auxiliary heating system further includes a temperature controller 3, the temperature controller 3 is provided on the heating floor 1 or the heating side plate 2, and the temperature controller 3 is electrically connected with the floor electric heating layer 12 and the side plate electric heating layer 22. For example, the thermostat 3 is provided at a side portion of the heating floor 1, and may be used to control heating temperatures of the floor electric heating layer and the side plate electric heating layer.

Optionally, the engine auxiliary heating system further comprises a temperature sensor, the temperature sensor is arranged on the heating bottom plate 1 or the heating side plate 2, the temperature sensor is connected with the temperature controller 3 and used for detecting heating temperature, the temperature controller 3 can display the temperature of the heating layer detected by the temperature sensor, and a user can conveniently adjust the temperature at any time according to actual demands.

As shown in fig. 4, a plurality of fixing pockets 211 are provided on the side plate heat conductive layer 21 and/or the bottom plate heat conductive layer 11, and magnets are provided in the fixing pockets 211. In this embodiment, be provided with a plurality of fixed bags 211 on the curb plate heat-conducting layer 21, be provided with magnet in the fixed bag 211, magnet can adsorb on the engine drain pan, on the one hand can play the fixed action, on the other hand also can make the better subsides of curb plate heat-conducting layer 21 on the engine drain pan, increase area of contact, improve thermal transfer volume.

In this embodiment, as shown in fig. 4, the edge of the heating side plate 2 far from the heating bottom plate 1 is provided with a rope buckle 24, alternatively, the rope buckle 24 is in a circular ring structure, and is arranged on the side edge of the heating side plate 2 far from the heating bottom plate 1, and a plurality of rope buckles 24 are arranged on each heating side plate 2. The plurality of heating side plates 2 are connected by a fastening rope in a penetrating way, the fastening rope penetrates through the rope buckles 24 on each heating side plate 2, the plurality of heating side plates 2 are tightly attached to the bottom shell of the engine by tightening the rope in installation, the fastening rope between two adjacent rope buckles 24 can be hung on an effective fixed point on the engine, for example, on a part such as a fixing bolt on the engine body, the effective fixed point is not limited specifically, and a proper structure can be selected as the effective fixed point according to actual conditions on different models. The arrangement of the fastening rope further improves the connection reliability with the engine bottom shell, and meanwhile, the side plate heat conduction layer 21 is tightly attached to the engine bottom shell, so that the heat transfer quantity and the heat transfer efficiency are improved.

In another embodiment, the invention further provides an engine, which comprises the engine auxiliary heating system, wherein the engine auxiliary heating system is attached to a bottom shell of the engine, and the bottom plate electric heating layer and the side plate electric heating layer are connected with a direct current power supply of the engine and used for preheating the bottom shell of the engine, so that good circulation of lubricating oil of the engine can be kept in an extremely cold environment, engine parts can be effectively lubricated, and the engine can be started normally.

Optionally, the engine includes a fuel heater, the fuel heater is communicated with the heating runner, optionally, the fuel heater is a liquid heater, a hot water outlet of the fuel heater is connected with an inlet end 131 of the heating runner, an outlet end of the heating runner is connected with a water return port of the fuel heater, and heat is provided for a bottom shell of the engine through circulating hot water.

Or the fuel oil heater is an air fuel oil heater, the smoke outlet of the fuel oil heater is connected with the inlet end 131 of the heating runner, the outlet end of the heating runner is connected with the smoke discharging cylinder, and heat is provided for the bottom shell of the engine through high-temperature smoke discharging.

The auxiliary heating system of the engine can simultaneously utilize two heat sources of the electric energy and the fuel oil heater to simultaneously provide heat for preheating lubricating oil in the bottom shell of the engine, and ensure that the lubricating oil can keep good fluidity in extremely cold environments. Through the setting of magnet and fastening rope, can guarantee that heating curb plate 2 and heating bottom plate 1 can effectively with engine drain pan contact, guarantee can normally carry out heat transfer, improve heating efficiency.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any at least one embodiment or example. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, but any modifications, equivalents, and simple improvements made within the spirit of the present invention should be included in the scope of the present invention.

Claims

1. An engine auxiliary heating system is characterized by comprising a heating bottom plate and a heating side plate, wherein a bottom plate heating structure is arranged in the heating bottom plate, a side part heating structure is arranged in the heating side plate,

2. The engine auxiliary heating system of claim 1, wherein the heating floor comprises:

3. The engine auxiliary heating system of claim 2, wherein the heating side plate comprises:

4. The engine auxiliary heating system of claim 3, further comprising a thermostat disposed on the heating floor or the heating side plate,

5. The engine auxiliary heating system of claim 4, further comprising a temperature sensor disposed on the heating floor or the heating side panel, the temperature sensor being coupled to the thermostat.

6. An engine auxiliary heating system as defined in claim 3, wherein a plurality of stationary pockets are provided on said side plate heat transfer layer and/or said bottom plate heat transfer layer, said stationary pockets having magnets disposed therein.

7. The engine auxiliary heating system of claim 3, wherein said heating side panels are flexibly connected to said heating base panel, and wherein a plurality of said heating side panels are independent of one another.

8. The engine auxiliary heating system of claim 7, wherein a rope buckle is provided on an edge of the heating side plate away from the heating bottom plate,

the heating side plates are connected through a fastening rope.

9. An engine comprising the engine auxiliary heating system of any of claims 1-8, the engine auxiliary heating system being attached to a bottom shell of the engine.

10. The engine of claim 9, wherein the engine includes a fuel heater,