Hybrid loader power battery heating system

Abstract

The utility model provides a hybrid loader power battery heating system, which belongs to the technical field of loaders, and comprises a water boiler, a heat exchanger and a power battery, a circulating pipeline is arranged on the outer side of the power battery, a water outlet of the water boiler is connected with a first inlet of the heat exchanger, a water inlet of the water boiler is connected with a first outlet of the heat exchanger, and a water outlet of the heat exchanger is connected with a second outlet of the heat exchanger. And the other end of the circulating pipeline is connected with the second outlet of the heat exchanger. The heating time of the power battery can be shortened, the power battery can quickly reach the working temperature, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of loader, especially relates to a hybrid loader power battery heating system. BACKGROUND

[0002] The hybrid loader is greatly affected by temperature in extremely cold environment, and reliable operation of the hybrid loader is crucial to guarantee construction efficiency, if necessary maintenance and maintenance are ignored in daily use, then irreversible influence is caused to the battery system, such as reducing battery life, affecting battery performance etc., at present, the lithium ion battery is greatly affected by temperature, in low temperature environment, if the driver does not understand the precautions of the battery and does not heat the battery to a certain temperature, the battery may be damaged, the battery is charged, the loader cannot work normally or the loader is insufficient in power.

[0003] At present, in the prior art, the battery is heated by PTC heater, or the battery is heated by condensate water of the engine, but no matter which method, in extremely cold environment, the heating effect is poor, the heating time is long, and the working efficiency is seriously affected. UTILITY MODEL CONTENTS

[0004] In view of the defects or deficiencies in the prior art, the utility model provides a hybrid loader power battery heating system, which can reduce the power battery heating time, make the power battery quickly reach the working temperature, and improve the working efficiency.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The embodiment of the utility model provides a hybrid loader power battery heating system, which comprises a water boiler, a heat exchanger and a power battery, the power battery is provided with a circulating pipeline outside, the water outlet of the water boiler is connected with the first inlet of the heat exchanger, the water inlet of the water boiler is connected with the first outlet of the heat exchanger, one end of the circulating pipeline is connected with the second inlet of the heat exchanger, and the other end is connected with the second outlet of the heat exchanger.

[0007] Further, it further includes an electric control valve, and the water outlet of the water boiler is connected with the water inlet of the electric control valve.

[0008] Further, it further includes an engine, and the engine is provided with an engine waterway.

[0009] Further, the electric control valve is provided with a first water outlet and a second water outlet, the first water outlet is connected with the engine waterway, and the second water outlet is connected with the first inlet of the heat exchanger.

[0010] Further, it further includes a water pump, and the water outlet of the engine waterway and the first outlet of the heat exchanger are connected with the water inlet of the water pump. Further, it further includes a water pump, and the water outlet of the engine waterway and the first outlet of the heat exchanger are connected with the water inlet of the water pump.

[0011] Further, the water outlet of the water pump is connected with the water inlet of the water boiler.

[0012] Further, the circulating pipeline is further provided with a battery thermal management unit, and the battery thermal management unit is located between the power battery and the heat exchanger.

[0013] Further, the inlet and the outlet of the battery thermal management unit are connected with the circulating pipeline.

[0014] Further, the battery thermal management unit is internally provided with a PTC heater for heating the cooling medium in the circulating pipeline.

[0015] Further, the battery thermal management unit is further electrically connected with the water boiler and the electric control valve.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The water boiler and the heat exchanger are arranged, the water boiler is used for heating the cooling medium, the heat exchanger is used for heat exchange, the power battery is heated, the power battery reaches the working temperature quickly, and the working efficiency is not affected by the heating time of the power battery.

[0018] 2. The water outlet of the water boiler is connected with the engine waterway through the electric control valve, the engine is preheated, and the normal operation of the engine in the extremely cold environment is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a heating system structure diagram in the embodiment of the utility model.

[0020] 1. water boiler, 2. engine, 3. heat exchanger, 4. power battery, 5. electric control valve, 6. water pump, 7. battery thermal management unit. DETAILED DESCRIPTION

[0021] The utility model is further illustrated in connection with the drawings and the embodiment.

[0022] A typical embodiment of the utility model is as follows: Figure 1As shown, a hybrid loader power battery heating system includes a water boiler 1, an engine 2, a heat exchanger 3 and a power battery 4, the engine 2 is provided with an engine waterway, the water boiler 1 takes oil from the fuel tank, heats the cooling medium after combustion, the water outlet of the water boiler 1 is connected to the water inlet of the electric control valve 5, the electric control valve 5 is provided with two water outlets, which are a first water outlet and a second water outlet, the first water outlet is connected to the water inlet of the engine 2 waterway, and the second water outlet is connected to the first inlet of the heat exchanger 3, the cooling medium passes through the electric control valve 5, part of which enters the engine 2 waterway to preheat the engine 2 for starting to ensure the normal operation of the engine in extremely cold environments, and the other part enters the heat exchanger 3 to exchange heat and provide heat for the power battery 4.

[0023] The water outlet of the engine 2 waterway and the first outlet of the heat exchanger 3 are connected to the water inlet of the water pump 6, and the water outlet of the water pump 6 is connected to the water inlet of the water boiler 1. By providing the water pump 6, the cooling medium in the pipeline is circulated.

[0024] The power battery 4 is provided with a circulating pipeline outside, one end of the circulating pipeline is connected to the second inlet of the heat exchanger 3, and the other end is connected to the second outlet of the heat exchanger 3, the circulating pipeline is filled with cooling medium, the circulating pipeline is wound outside the power battery 4, the cooling medium is heat-exchanged at the heat exchanger 3, and the temperature of the heat-exchanged cooling medium rises to heat the power battery 4.

[0025] The battery thermal management unit 7 is also provided on the circulating pipeline, the battery thermal management unit 7 is used for monitoring and regulating the temperature of the battery, which is prior art and will not be described in detail here.

[0026] The battery thermal management unit 5 is located between the power battery 4 and the heat exchanger 3, the inlet and outlet of the battery thermal management unit are connected to the circulating pipeline, the battery thermal management unit 7 is provided with a PTC heater, which can heat the cooling medium in the circulating pipeline to ensure the working temperature of the power battery 4, and the battery thermal management unit 7 is also electrically connected with the water boiler 1 and the electric control valve 5 to control the operation of the water boiler 1 and the electric control valve 5.

[0027] Under normal circumstances, the power battery 4 is heated by the PTC heater, but in extremely cold environments such as-40℃, the PTC heater cannot quickly heat the power battery 4, at this time the battery thermal management unit 7 controls the water boiler 1 to operate to heat the cooling medium, the cooling medium enters the engine 2 waterway and the heat exchanger 3 through the electric control valve 5 to heat the engine 2 and the heat exchanger 3, and the temperature of the cooling medium in the circulating pipeline rises after heat exchange in the heat exchanger 3 to provide heat for the power battery 4, so that the temperature of the power battery 4 rises rapidly to meet the working requirements.

[0028] Working principle

[0029] In the extremely cold environment, in order to ensure that the power battery reaches the working temperature quickly, ensure the normal operation of the power battery, the water boiler heats the cooling medium, and the heated cooling medium enters the heat exchanger to exchange heat, and the cooling medium in the circulating pipeline is heated in the heat exchanger, so that the power battery is heated quickly.

[0030] The utility model discloses a set up water boiler and heat exchanger, utilize water boiler to heat the cooling medium, and heat through the heat exchanger, heat the power battery, make the power battery reach the working temperature quickly, avoid the power battery heating time process, influence work efficiency.

[0031] The above only for the preferred embodiment of the utility model has been, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A hybrid loader power battery heating system, characterized in that, The application relates to a water boiler, a heat exchanger and a power battery, wherein a circulating pipeline is arranged outside the power battery, a water outlet of the water boiler is connected with a first inlet of the heat exchanger, a water inlet of the water boiler is connected with a first outlet of the heat exchanger, one end of the circulating pipeline is connected with a second inlet of the heat exchanger, and the other end of the circulating pipeline is connected with a second outlet of the heat exchanger.

2. A hybrid loader power battery heating system as claimed in claim 1, wherein, The application further comprises an electric control valve, and the water outlet of the water boiler is connected with a water inlet of the electric control valve.

3. A hybrid loader power battery heating system as claimed in claim 2, wherein, The application further comprises an engine, and an engine waterway is arranged on the engine.

4. A hybrid loader power battery heating system as claimed in claim 3, wherein, The electric control valve is provided with a first water outlet and a second water outlet, wherein the first water outlet is connected with the engine waterway, and the second water outlet is connected with the first inlet of the heat exchanger.

5. A hybrid loader power battery heating system as claimed in claim 4, wherein, The application further comprises a water pump, and a water outlet of the engine waterway and the first outlet of the heat exchanger are connected with a water inlet of the water pump.

6. A hybrid loader power battery heating system as claimed in claim 5, wherein, The water outlet of the water pump is connected with the water inlet of the water boiler.

7. A hybrid loader power battery heating system as claimed in claim 2, wherein, The circulating pipeline is further provided with a battery thermal management unit, and the battery thermal management unit is located between the power battery and the heat exchanger.

8. A hybrid loader power battery heating system as claimed in claim 7, wherein, The inlet and the outlet of the battery thermal management unit are connected with the circulating pipeline.

9. A hybrid loader power battery heating system as claimed in claim 7, wherein, The battery thermal management unit is internally provided with a PTC heater for heating the cooling medium in the circulating pipeline.

10. A hybrid loader power battery heating system as claimed in claim 7, wherein, The battery thermal management unit is further electrically connected with the water boiler and the electric control valve.

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