Low-temperature preheating device of diesel generating set

Abstract

The utility model discloses a low-temperature preheating device of a diesel generating set. The low-temperature preheating device comprises an intelligent case, the engine oil temperature sensor is arranged in the oil pan; the diesel oil temperature sensor is arranged in the oil tank; the cooling water temperature sensor is arranged in the water tank; the oil pump is communicated with the oil pan; the diesel pump is communicated with the oil tank; the water pump is communicated with the water tank; the heating mechanism is used for heating engine oil, diesel oil and cooling water and comprises a base, three heating assemblies used for heating the engine oil, the diesel oil and the cooling water respectively and three heating assembly fixing mechanisms used for fixing the heating assemblies. By means of the design, engine oil, diesel oil and cooling water can be intelligently preheated and can be always kept within a reasonable temperature range for standby application at any time, and therefore the diesel generating set does not need to wait for preheating, and cold start response is faster.

Description

Technical Field

[0001] The utility model relates to the field of diesel generator sets, in particular to a low-temperature preheating device for diesel generator sets. Background Art

[0002] Diesel generator sets are complete sets of mechanical equipment that convert diesel as an energy source into electrical energy. They are widely used as backup or temporary power sources because of their small size, flexibility, lightness, complete supporting facilities, and easy operation and maintenance.

[0003] When the temperature is low, if you need to start the diesel generator set, that is, cold start, you need to preheat it before you can start it. Among the existing preheating methods, there are preheating of engine oil, preheating of diesel, and preheating of cooling water. No matter which one, when cold starting the diesel generator set, it takes a long time to preheat and wait, and the diesel generator set starts slowly. Utility Model Content

[0004] The utility model aims to provide a low-temperature preheating device for a diesel generator set which can intelligently preheat engine oil, diesel and cooling water and make the diesel generator set respond more quickly to cold start.

[0005] The purpose of the utility model is achieved as follows: a low-temperature preheating device for a diesel generator set; the diesel generator set includes an oil pan, an oil tank, and a water tank; the preheating device includes an intelligent chassis; an oil temperature sensor, the oil temperature sensor is arranged in the oil pan; a diesel temperature sensor, the diesel temperature sensor is arranged in the oil tank; a cooling water temperature sensor, the cooling water temperature sensor is arranged in the water tank; an oil pump, the input end of the oil pump is connected to the oil pan; a diesel pump, the input end of the diesel pump is connected to the oil tank; a water pump, the input end of the water pump is connected to the water tank; a heating mechanism, the heating mechanism is used to heat engine oil, diesel, and cooling water, and it includes a base, and also includes three heating components for heating engine oil, diesel, and cooling water, respectively, and also includes three groups of heating component fixing mechanisms for fixing the heating components; the intelligent chassis is respectively connected to the oil temperature sensor, the diesel temperature sensor, and the cooling water temperature sensor for communication, and is also respectively connected to the oil pump, the diesel pump, the water pump, and the heating mechanism.

[0006] Compared with the prior art, the beneficial effects of the present invention are as follows: the preheating device provided by the present invention can intelligently and automatically preheat the engine oil, diesel and cooling water, so that they are always maintained within a reasonable temperature range and are ready for use at any time, so that the diesel generator set does not need to wait for preheating, and the cold start response is faster; specifically, the temperature of the engine oil, diesel and cooling water is grasped at any time through the temperature sensor, and once any temperature is found to be too low, the corresponding heating component is started to circulate and heat it until it reaches a reasonable temperature.

[0007] As a preferred embodiment of the utility model, each of the above-mentioned heating components includes a heat-insulating sleeve, which is made of a heat-insulating material and has an end cover at both ends, one of the end covers is provided with a liquid outlet, and the other end cover is provided with a liquid inlet; an inner sleeve, which is made of a heat-conducting material and is located inside the heat-insulating sleeve, and includes a central tube and spiral blades spirally distributed along the length direction of the central tube; a heating chamber is provided in the central tube, and an electric heating rod and heat-conducting oil are provided in the heating chamber; the heat-insulating sleeve, the central tube and the spiral blades together form a spiral channel, and the two ends of the spiral channel are respectively connected to the liquid inlet and the liquid outlet; a liquid outlet pipe, one end of the above-mentioned liquid outlet pipe is connected to the liquid outlet, and the other end thereof is connected to any one of the oil pan, the oil tank and the water tank; a liquid inlet pipe, one end of the above-mentioned liquid inlet pipe is connected to the liquid inlet, and the other end thereof is connected to one of the oil pump, the diesel pump and the water pump corresponding to the liquid return point of the liquid outlet pipe; a solenoid valve, a solenoid valve is provided on the above-mentioned liquid outlet pipe and the liquid inlet pipe. This design allows the liquid to flow and be heated for a longer time in the heating component, and the heat contact is more complete, thus improving the heating efficiency.

[0008] Furthermore, the above-mentioned intelligent chassis is also electrically connected to the electric heating rod and the solenoid valve of the heating component respectively.

[0009] Furthermore, each set of the heating component fixing mechanism comprises two fixing seats, and each fixing seat is provided with a fixing clip. This design has a simple structure, reliable fixing, and convenient assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a block diagram of the composition of the utility model.

[0011] Figure 2 It is a schematic diagram of the top view of the heating mechanism of the utility model.

[0012] Figure 3 It is a structural schematic diagram of the heating component of the utility model.

[0013] Among them, 1 is a base, 2 is a heat insulating sleeve, 3 is an end cover, 4 is a liquid inlet, 5 is a liquid outlet, 6 is an inner sleeve, 7 is a central tube, 7a is a heating chamber, 7b is an electric heating rod, 8 is a spiral blade, 9 is a spiral channel, 10 is a liquid outlet pipe, 11 is a liquid inlet pipe, 12 is an electromagnetic valve, 13 is a fixed seat, and 14 is a fixed clamp. DETAILED DESCRIPTION

[0014] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0015] Combined with Figures 1 to 3As shown, a low-temperature preheating device for a diesel generator set; the diesel generator set includes an oil pan, an oil tank, and a water tank; the preheating device includes an intelligent chassis; an oil temperature sensor, the oil temperature sensor is arranged in the oil pan; a diesel temperature sensor, the diesel temperature sensor is arranged in the oil tank; a cooling water temperature sensor, the cooling water temperature sensor is arranged in the water tank; an oil pump, the input end of the oil pump is connected to the oil pan; a diesel pump, the input end of the diesel pump is connected to the oil tank; a water pump, the input end of the water pump is connected to the water tank; a heating mechanism, the heating mechanism is used to heat engine oil, diesel, and cooling water, and includes a base 1, and also includes three heating components for heating engine oil, diesel, and cooling water, respectively, and also includes three groups of heating component fixing mechanisms for fixing the heating components; the intelligent chassis is respectively communicated with the oil temperature sensor, the diesel temperature sensor, and the cooling water temperature sensor, and is also electrically connected to the oil pump, the diesel pump, the water pump, and the heating mechanism.

[0016] Each of the above-mentioned heating components includes a heat-insulating sleeve 2, which is made of a heat-insulating material and has an end cover 3 at both ends, one of which is provided with a liquid outlet 5, and the other end cover 3 is provided with a liquid inlet 4; an inner sleeve 6, which is made of a heat-conducting material and is located inside the heat-insulating sleeve 2, and includes a central tube 7 and spiral blades 8 spirally distributed along the length direction of the central tube 7; a heating chamber 7a is provided in the central tube 7, and an electric heating rod 7b and heat-conducting oil are provided in the heating chamber 7a; the heat-insulating sleeve 2 and the central tube 7, the spiral blades 8 together form a spiral channel 9, the two ends of the spiral channel 9 are respectively connected to the liquid inlet 4 and the liquid outlet 5; a liquid outlet pipe 10, one end of the liquid outlet pipe 10 is connected to the liquid outlet 5, and the other end thereof is connected to any one of the oil pan, the oil tank, and the water tank; a liquid inlet pipe 11, one end of the liquid inlet pipe 11 is connected to the liquid inlet 4, and the other end thereof is connected to one of the oil pump, the diesel pump, and the water pump corresponding to the return liquid position of the liquid outlet pipe 10; a solenoid valve 12, and a solenoid valve 12 is provided on each of the liquid outlet pipe 10 and the liquid inlet pipe 11;

[0017] It should be noted that

[0018] When preheating the engine oil, the control box opens the corresponding solenoid valve 12, and starts the engine oil pump and the corresponding electric heating rod 7b. The electric heating rod 7b heats the heat transfer oil, and then transfers the heat to the central tube 7 and the spiral blade 8. The engine oil pump draws the engine oil from the oil pan, and flows into the spiral channel 9 through the liquid inlet pipe 11 and the liquid inlet port 4 to fully absorb heat and increase the temperature, and then flows back to the oil pan through the liquid outlet 5 and the liquid outlet pipe 10;

[0019] When preheating diesel, the control box opens the corresponding solenoid valve 12, and starts the diesel pump and the corresponding electric heating rod 7b. The electric heating rod 7b heats the heat transfer oil, and then transfers the heat to the central tube 7 and the spiral blade 8. The diesel pump draws diesel from the fuel tank, flows into the spiral channel 9 through the liquid inlet pipe 11 and the liquid inlet 4 to fully absorb heat and heat up, and then flows back to the fuel tank through the liquid outlet 5 and the liquid outlet pipe 10;

[0020] When preheating the cooling water, the control box opens the corresponding solenoid valve 12, and starts the water pump and the corresponding electric heating rod 7b. The electric heating rod 7b heats the heat transfer oil, and then transfers the heat to the central tube 7 and the spiral blade 8. The water pump draws cooling water from the water tank, flows into the spiral channel 9 through the liquid inlet pipe 11 and the liquid inlet 4 to fully absorb heat and heat up, and then flows back to the water tank through the liquid outlet 5 and the liquid outlet pipe 10;

[0021] The above-mentioned intelligent chassis is also electrically connected to the electric heating rod 7b and the electromagnetic valve 12 of the heating component respectively.

[0022] Each set of the heating component fixing mechanism comprises two fixing seats 13, and each fixing seat 13 is provided with a fixing clip 14;

[0023] It should be noted that after placing the heating component on the fixing seat 13, the fixing clip 14 is engaged and the screws are tightened to fix the heating component.

[0024] When working, the oil temperature sensor, diesel temperature sensor, and cooling water temperature sensor measure the temperatures of the oil, diesel, and cooling water in real time and feed back to the smart chassis. If it is found that the temperatures of any of the oil, diesel, and cooling water are too low, the corresponding heating components will be turned on to circulate and heat them until they reach a reasonable temperature.

[0025] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A low-temperature preheating device for a diesel generator set; the diesel generator set comprises an oil pan, an oil tank, and a water tank; characterized in that: The preheating device comprises Smart chassis; An oil temperature sensor, wherein the oil temperature sensor is disposed in the oil pan; A diesel temperature sensor, wherein the diesel temperature sensor is arranged in the fuel tank; A cooling water temperature sensor, wherein the cooling water temperature sensor is arranged in the water tank; An oil pump, wherein an input end of the oil pump is connected to the oil pan; A diesel pump, wherein an input end of the diesel pump is connected to a fuel tank; A water pump, wherein an input end of the water pump is connected to the water tank; A heating mechanism, the heating mechanism is used to heat engine oil, diesel and cooling water, and comprises a base (1), three heating components respectively used to heat engine oil, diesel and cooling water, and three sets of heating component fixing mechanisms used to fix the heating components; The intelligent chassis is respectively connected to the oil temperature sensor, the diesel temperature sensor, and the cooling water temperature sensor in communication, and is also respectively connected to the oil pump, the diesel pump, the water pump, and the heating mechanism in electrical communication.

2. A low-temperature preheating device for a diesel generator set according to claim 1, characterized in that: Each of the heating components comprises An insulating sleeve (2), the insulating sleeve (2) being made of an insulating material, and having an end cover (3) at each end, wherein one end cover (3) is provided with a liquid outlet (5), and the other end cover (3) is provided with a liquid inlet (4); An inner sleeve (6), the inner sleeve (6) being made of a heat-conducting material and being located inside the heat-insulating sleeve (2), comprising a central tube (7) and spiral blades (8) spirally distributed along the length direction of the central tube (7); a heating chamber (7a) being provided inside the central tube (7), and an electric heating rod (7b) and heat-conducting oil being provided inside the heating chamber (7a); the heat-insulating sleeve (2), the central tube (7) and the spiral blades (8) together forming a spiral channel (9), and the two ends of the spiral channel (9) being respectively connected to the liquid inlet (4) and the liquid outlet (5); a liquid outlet pipe (10), one end of the liquid outlet pipe (10) being connected to the liquid outlet port (5), and the other end of the liquid outlet pipe (10) being connected to any one of the oil pan, the oil tank, and the water tank; A liquid inlet pipe (11), one end of which is connected to the liquid inlet (4), and the other end of which is connected to one of the oil pump, the diesel pump, and the water pump corresponding to the liquid return point of the liquid outlet pipe (10); A solenoid valve (12), wherein the liquid outlet pipe (10) and the liquid inlet pipe (11) are each provided with a solenoid valve (12).

3. A low-temperature preheating device for a diesel generator set according to claim 2, characterized in that: The intelligent chassis is also electrically connected to the electric heating rod (7b) and the electromagnetic valve (12) of the heating component respectively.

4. A low-temperature preheating device for a diesel generator set according to any one of claims 1 to 3, characterized in that: Each set of the heating component fixing mechanisms comprises two fixing seats (13), and each fixing seat (13) is provided with a fixing clip (14).

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