Firewood heating heat exchange system for heating motor controller and new energy loader

Abstract

The utility model relates to the technical field of low-temperature starting of new energy loading machines, and discloses a firewood heating heat exchange system for heating a motor controller and a new energy loading machine, and the firewood heating heat exchange system for heating the motor controller comprises a firewood heating module, a three-way valve I, a three-way valve II, a heat exchange module, a motor module and an air cooling heat dissipation module, the firewood heating module is communicated with an inlet of a three-way valve I, a first outlet of the three-way valve I is communicated with a fan heater in a cab, a second outlet of the three-way valve I is communicated with the heat exchange module, the motor module comprises a high-voltage motor and a motor controller, and a heat exchange cavity in the high-voltage motor is communicated with a heat exchange cavity in the motor controller. An outlet of the air cooling heat dissipation module communicates with a heat exchange cavity in the motor controller, and a second temperature detection sensor is arranged in the heat exchange module. The problem that the new energy loading machine cannot be normally started under the condition that the air temperature is lower than minus 35 DEG C can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of new energy loader low temperature starting, especially to a kind of heating motor controller's diesel heating heat exchange system and new energy loader. BACKGROUND

[0002] Traditional diesel loader increases a series of post-processing devices to meet environmental protection requirements, which continuously increases production and use cost. With the continuous development of battery and motor technology, new energy loader occupies the market share of traditional fuel vehicles through technical innovation and product optimization.

[0003] At present, the minimum temperature resistance requirement of motor controller for engineering machinery is-35 DEG C, and there is no motor controller that can resist low temperature over-35 DEG C, and no effective heating scheme for electric control system under extremely low temperature condition. The working environment of loader is relatively complex, especially in northern region, it is easy to appear extremely cold condition with temperature below-35 DEG C at night. After the pure electric or hybrid loader stops for a period of time, the temperature of motor controller will be lower than-35 DEG C, and under this condition, the motor controller cannot normally charge high voltage, so that the whole vehicle cannot normally start and work. UTILITY MODEL CONTENT

[0004] In order to alleviate the problem that new energy loader cannot normally start under the condition that the temperature is below-35 DEG C, the utility model provides a diesel heating heat exchange system for heating motor controller.

[0005] The diesel heating heat exchange system for heating motor controller provided by the utility model adopts the following technical scheme:

[0006] A diesel heating heat exchange system for heating motor controller, comprising diesel heating module, three-way valve I, three-way valve II, heat exchange module, motor module and air cooling heat dissipation module, the diesel heating module is communicated with the inlet of three-way valve I, the first outlet of three-way valve I is communicated with the air heater in cab, the second outlet of three-way valve I is communicated with heat exchange module, the motor module comprises high-voltage motor and motor controller, the heat exchange cavity inside high-voltage motor is communicated with the heat exchange cavity inside motor controller, the heat exchange module is communicated with the inlet of three-way valve II, the first outlet of three-way valve II is communicated with the heat exchange cavity inside motor controller, the heat exchange cavity inside high-voltage motor is communicated with heat exchange module, the second outlet of three-way valve II is communicated with the inlet of air cooling heat dissipation module, the outlet of air cooling heat dissipation module is communicated with the heat exchange cavity inside motor controller, the second temperature detection sensor is arranged in heat exchange module, the second temperature detection sensor is used for detecting the temperature of heat exchange medium, three-way valve I, three-way valve II and second temperature detection sensor are electrically connected with whole vehicle controller.

[0007] By adopting the above technical scheme, heat is generated by the diesel heater heating module, the heat can be directly supplied to the cabin heater in the cab through one outlet of the three-way valve I to provide a comfortable driving environment for the driver, and the other outlet introduces the heat into the heat exchange module, and the heat is returned to the diesel heater heating module after circulation in the heat exchange module, forming an efficient heat circulation system, which not only utilizes the excess heat generated by the diesel heater, but also delivers the heated medium to the motor controller and the high-voltage motor through the heat exchange module, ensuring that the motor controller can maintain normal working temperature in extremely cold environment, thereby alleviating the problem that the new energy loader cannot start normally when the air temperature is lower than minus 35 degrees Celsius. In addition, the second temperature detection sensor detects the temperature of the heat exchange medium in the heat exchange module and is electrically connected with the vehicle controller, which enables the system to monitor the temperature in the heated cavity in real time and accurately. Since the heating temperature required by the air cooling system is relatively high, the vehicle controller can deliver the heat exchange medium to the air cooling radiator for cooling according to the data provided by the second temperature detection sensor, and then heat the motor controller and the high-voltage motor, so that the heating temperature of the motor controller and the high-voltage motor is controlled within an appropriate temperature range.

[0008] Optionally, the heat exchange cavity in the high-voltage motor is communicated with a three-way valve III, the inlet of the three-way valve III is communicated with the heat exchange cavity in the high-voltage motor, the first outlet of the three-way valve III is communicated with the heat exchange module, the second outlet of the three-way valve III is communicated with the inlet of the air cooling radiator, and the high-voltage motor is provided with a third temperature detection sensor for detecting the temperature in the high-voltage motor, and the third temperature detection sensor and the three-way valve III are electrically connected with the vehicle controller.

[0009] By adopting the above technical scheme, the third temperature detection sensor is used to detect the temperature in the high-voltage motor, and when the temperature detected by the third temperature detection sensor is higher than the set value, the air cooling radiator is used to cool the high-voltage motor and the motor controller, thereby improving the stability of the high-voltage motor and the motor controller. In addition, when the first temperature detection sensor detects that the external environment temperature is lower than the set value, but the temperature in the high-voltage motor is higher than the set value, the vehicle controller controls the first electromagnetic valve and the second water pump to be closed.

[0010] Optionally, the heat exchange module comprises a heat exchange pipeline, a heated cavity and a second water pump, the second outlet of the three-way valve I is communicated with the inlet of the heat exchange pipeline, the outlet of the heat exchange pipeline is communicated with the diesel heater heating module, the heated cavity is communicated with the water inlet of the second water pump, the water outlet of the second water pump is communicated with the inlet of the three-way valve II, and the first outlet of the three-way valve III is communicated with the heated cavity.

[0011] Optionally, the diesel heating module comprises a water tank, a first water pump and a diesel heating device, the water tank is communicated with the diesel heating device through the first water pump, the diesel heating device is communicated with the inlet of the three-way valve I, the air heater is communicated with the water tank, and the outlet of the heat exchange pipeline is communicated with the water tank.

[0012] Optionally, a first electromagnetic valve is arranged between the three-way valve I and the heat exchange pipeline, the first electromagnetic valve is electrically connected with the vehicle controller, the vehicle controller is electrically connected with a first temperature detection sensor, the first temperature detection sensor is used for detecting the ambient temperature outside the vehicle, and the second water pump is electrically connected with the vehicle controller.

[0013] By adopting the above technical scheme, the first electromagnetic valve is arranged between the three-way valve I and the heat exchange pipeline, the first electromagnetic valve is used for controlling the on-off of the three-way valve I and the heat exchange pipeline and the flow of the heat exchange medium, when the first temperature detection sensor detects the ambient temperature outside the vehicle and transmits a signal to the vehicle controller, when the temperature detected by the first temperature detection sensor is higher than the set value, the vehicle controller controls the first electromagnetic valve to be closed, so that the heat energy generated by the diesel heating device is all supplied to the air heater in the cab, and the heat loss is reduced.

[0014] Optionally, the heated cavity is wrapped with a temperature insulation layer.

[0015] Optionally, a switch mechanism is arranged in the cab, the first water pump is electrically connected with the switch mechanism, and the diesel heating device is electrically connected with the switch mechanism.

[0016] By adopting the above technical scheme, the switch mechanism is arranged in the cab, and the working state of the first water pump and the diesel heating device is controlled by using the switch mechanism, so that the convenience of user operation is improved.

[0017] Optionally, the switch mechanism is electrically connected with the vehicle controller.

[0018] By adopting the above technical scheme, the switch mechanism is electrically connected with the vehicle controller, the working state of the first water pump and the diesel heating device is judged by the vehicle controller through the signal transmitted by the switch mechanism, when the first water pump and the diesel heating device are in the shutdown state, even if the temperatures detected by the first temperature detection sensor and the third temperature detection sensor are all lower than the set value, the vehicle controller does not react.

[0019] The application also discloses a new energy loader.

[0020] In conclusion, the utility model has at least one of the following beneficial technical effects:

[0021] 1. By utilizing the diesel heater heating module to generate heat, which can be directly supplied to the cab heater in the cab through one outlet of the three-way valve I, providing a comfortable driving environment for the driver, and the other outlet introduces the heat into the heat exchange module, which returns to the diesel heater heating module after circulation in the heat exchange module, forming an efficient heat circulation system, which not only utilizes the excess heat generated by the diesel heater, but also delivers the heated medium to the motor controller and high-voltage motor through the heat exchange module, ensuring that the motor controller can maintain normal working temperature in extremely cold environment, thereby alleviating the problem that the new energy loader cannot start normally when the air temperature is below minus 35 degrees Celsius, in addition, the second temperature detection sensor detects the temperature of the heat exchange medium in the heat exchange module, and is electrically connected with the vehicle controller, which enables the system to monitor the temperature in the heated cavity in real time and accurately, because the heating temperature required by the air heater is relatively high, the vehicle controller can deliver the heat exchange medium to the air-cooled radiator module for cooling according to the data provided by the second temperature detection sensor, and then heat the motor controller and high-voltage motor, so that the heating temperature of the motor controller and high-voltage motor is controlled within an appropriate temperature range;

[0022] 2. By setting the second temperature detection sensor in the heated cavity near the second water pump and electrically connecting it with the vehicle controller, the system can monitor the temperature in the heated cavity in real time and accurately, because the heating temperature required by the air heater is relatively high, the vehicle controller can intelligently adjust the speed of the second water pump and the switching state of the second three-way valve according to the data provided by the second temperature detection sensor, so as to realize accurate control and distribution of heat, when the temperature in the heated cavity is too high, the second three-way valve can open the channel to the air-cooled radiator to discharge excess heat from the system, and the heating temperature of the motor controller and high-voltage motor is controlled within an appropriate temperature range;

[0023] 3. By electrically connecting the switch mechanism with the vehicle controller, the vehicle controller judges the working condition of the first water pump and the diesel heater heating device through the signals transmitted by the switch mechanism, when the first water pump and the diesel heater heating device are in the shutdown state, even if the temperatures detected by the first temperature detection sensor and the third temperature detection sensor are lower than the set value, the vehicle controller does not react. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0025] Figure 1 It is a connection structure schematic diagram of the embodiment of the present application.

[0026] 100, 110, 120, 130, 200, 300, 310, 320, 330, 400, 500, 600, 700, 800, 900, 1000, 2000, 3000. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the overall concept of the present application, the following will be combined with the accompanying drawings to further describe the present application. Figure 1 The present application will be further described in detail.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment can be combined with each other without conflict.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The present application discloses a kind of heating motor controller's diesel heating heat exchange system. Refer to Figure 1 A kind of heating motor controller's diesel heating heat exchange system includes diesel heating module 100, three-way valve I 200, three-way valve II 800, heat exchange module 300, motor module and air-cooled heat dissipation module.

[0031] The diesel heating module 100 is in communication with the inlet of the three-way valve I 200, the first outlet of the three-way valve I 200 is in communication with the cabin heater 3000 in the cab, the second outlet of the three-way valve I 200 is in communication with the heat exchange module 300, the motor module includes a high-voltage motor 500 and a motor controller 600, the heat exchange cavity inside the high-voltage motor 500 is in communication with the heat exchange cavity inside the motor controller 600, the heat exchange module 300 is in communication with the inlet of the three-way valve II 800, the first outlet of the three-way valve II 800 is in communication with the heat exchange cavity inside the motor controller 600, the heat exchange cavity inside the high-voltage motor 500 is in communication with the heat exchange module 300, the second outlet of the three-way valve II 800 is in communication with the inlet of the air-cooled heat dissipation module, the outlet of the air-cooled heat dissipation module is in communication with the heat exchange cavity inside the motor controller 600, the heat exchange module 300 is provided with a second temperature detection sensor, the second temperature detection sensor is used for detecting the temperature of the heat exchange medium, and the three-way valve I 200, the three-way valve II 800 and the second temperature detection sensor are electrically connected with the vehicle controller.

[0032] The diesel heating module 100 generates heat, which can be directly supplied to the cabin heater 3000 in the cab through one outlet of the three-way valve I 200 to provide a comfortable driving environment for the driver, and the other outlet introduces heat into the heat exchange module 300, which is returned to the diesel heating module 100 after circulation through the heat exchange module 300, forming an efficient heat circulation system. This circulation not only utilizes the excess heat generated by the diesel heating, but also delivers the heated medium to the motor controller 600 and the high-voltage motor 500 through the heat exchange module 300, ensuring that the motor controller 600 can maintain normal operating temperature in extremely cold environments, thereby alleviating the problem that new energy loaders cannot start normally when the air temperature is below minus 35 degrees Celsius. In addition, the second temperature detection sensor detects the temperature of the heat exchange medium in the heat exchange module 300 and is electrically connected with the vehicle controller, which enables the system to monitor the temperature in the heated cavity 320 in real time and accurately. Because the heating temperature required by the air heater is relatively high, the vehicle controller can deliver the heat exchange medium to the air-cooled heat dissipation module for cooling first according to the data provided by the second temperature detection sensor, and then heat the motor controller 600 and the high-voltage motor 500, so as to control the heating temperature of the motor controller 600 and the high-voltage motor 500 within a suitable temperature range.

[0033] The heat exchange cavity inside the high-voltage motor 500 is communicated with a three-way valve II 800I, the inlet of the three-way valve II 800I is communicated with the heat exchange cavity inside the high-voltage motor 500, the first outlet of the three-way valve II 800I is communicated with the heat exchange module 300 through a second electromagnetic valve 1000, the second outlet of the three-way valve II 800I is communicated with the inlet of the air cooling radiator 2000, and the high-voltage motor 500 is provided with a third temperature detection sensor for detecting the temperature inside the high-voltage motor 500, and the third temperature detection sensor and the three-way valve II 800I are electrically connected with the vehicle controller.

[0034] By detecting the temperature inside the high-voltage motor 500 by using the third temperature detection sensor, when the temperature detected by the third temperature detection sensor is higher than the set value, the high-voltage motor 500 and the motor controller 600 are cooled by using the air cooling radiator 2000, thereby improving the stability of the high-voltage motor 500 and the motor controller 600. In addition, when the first temperature detection sensor detects that the external environment temperature is lower than the set value, but the temperature inside the high-voltage motor 500 is higher than the set value, the vehicle controller controls the first electromagnetic valve 700 and the second water pump 400 to be closed.

[0035] With reference to Figure 1 , the heat exchange module 300 comprises a heat exchange pipeline 310, a heated cavity 320 and a second water pump 400, the second outlet of the three-way valve I 200 is communicated with the inlet of the heat exchange pipeline 310, the outlet of the heat exchange pipeline 310 is communicated with the diesel heating module 100, the heated cavity 320 is communicated with the water inlet of the second water pump 400, the water outlet of the second water pump 400 is communicated with the inlet of the three-way valve II 800, the first outlet of the three-way valve II 800I is communicated with the heated cavity 320, and the heated cavity 320 is covered with a temperature insulation layer 330 outside.

[0036] With reference to Figure 1 , the diesel heating module 100 comprises a water tank 110, a first water pump 120 and a diesel heating device 130, the water tank 110 is communicated with the diesel heating device 130 through the first water pump 120, the diesel heating device 130 is communicated with the inlet of the three-way valve I 200, the air heater 3000 is communicated with the water tank 110, and the outlet of the heat exchange pipeline 310 is communicated with the water tank 110.

[0037] A first electromagnetic valve 700 is arranged between the three-way valve I 200 and the heat exchange pipeline 310, the first electromagnetic valve 700 is electrically connected with the vehicle controller, the vehicle controller is electrically connected with a first temperature detection sensor, the first temperature detection sensor is used for detecting the environment temperature outside the vehicle, and the second water pump 400 is electrically connected with the vehicle controller.

[0038] By setting the first electromagnetic valve 700 between the three-way valve I 200 and the heat exchange pipeline 310, the first electromagnetic valve 700 is used to control the on-off between the three-way valve I 200 and the heat exchange pipeline 310 and the flow of the heat exchange medium, when the first temperature detection sensor detects the ambient temperature outside the vehicle and transmits a signal to the vehicle controller, when the temperature detected by the first temperature detection sensor is higher than the set value, the vehicle controller controls the first electromagnetic valve 700 to close, so that the heat energy generated by the diesel heating device 130 is all supplied to the cabin heater 3000 in the cab, reducing heat loss.

[0039] The switch mechanism is arranged in the cab, and the first water pump 120 and the diesel heating device 130 are electrically connected with the switch mechanism. By arranging the switch mechanism in the cab, the working state of the first water pump 120 and the diesel heating device 130 is controlled by the switch mechanism, improving the convenience of user operation.

[0040] The switch mechanism is electrically connected with the vehicle controller, and the vehicle controller judges the working state of the first water pump 120 and the diesel heating device 130 through the signal transmitted by the switch mechanism. When the first water pump 120 and the diesel heating device 130 are in the shutdown state, even if the temperatures detected by the first temperature detection sensor and the third temperature detection sensor are lower than the set value, the vehicle controller does not react.

[0041] The embodiment also discloses a new energy loader.

[0042] Each embodiment in the specification is described in a progressive manner, and the same and similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the difference from other embodiments.

[0043] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model are covered in the protection scope of the utility model. The places not mentioned in the utility model can be realized by using or referring to the existing technology.

Claims

1. A diesel-powered heating heat exchange system with a heating motor controller, characterized in that: The system includes a diesel-powered heating module (100), a three-way valve I (200), a three-way valve II (800), a heat exchange module (300), a motor module, and an air-cooled heat dissipation module. The diesel-powered heating module (100) is connected to the inlet of the three-way valve I (200). The first outlet of the three-way valve I (200) is connected to the heater (3000) in the cab. The second outlet of the three-way valve I (200) is connected to the heat exchange module (300). The motor module includes a high-voltage motor (500) and a motor controller (600). The heat exchange chamber inside the high-voltage motor (500) is connected to the heat exchange chamber inside the motor controller (600). The heat exchange module (300) is connected to the three-way valve I... The inlet of I (800) is connected, the first outlet of the three-way valve II (800) is connected to the heat exchange chamber inside the motor controller (600), the heat exchange chamber inside the high-voltage motor (500) is connected to the heat exchange module (300), the second outlet of the three-way valve II (800) is connected to the inlet of the air-cooled heat dissipation module, the outlet of the air-cooled heat dissipation module is connected to the heat exchange chamber inside the motor controller (600), the heat exchange module (300) is equipped with a second temperature detection sensor, the second temperature detection sensor is used to detect the temperature of the heat exchange medium, and the three-way valve I (200), the three-way valve II (800) and the second temperature detection sensor are all electrically connected to the vehicle controller.

2. The diesel-powered heat exchange system with a heating motor controller according to claim 1, characterized in that: The heat exchange chamber inside the high-voltage motor (500) is connected to a three-way valve III (900). The inlet of the three-way valve III (900) is connected to the heat exchange chamber inside the high-voltage motor (500). The first outlet of the three-way valve III (900) is connected to the heat exchange module (300). The second outlet of the three-way valve III (900) is connected to the inlet of the air-cooled radiator (2000). A third temperature detection sensor is installed inside the high-voltage motor (500). The third temperature detection sensor is used to detect the temperature inside the high-voltage motor (500). Both the third temperature detection sensor and the three-way valve III (900) are electrically connected to the vehicle controller.

3. The diesel-powered heat exchange system with a heating motor controller according to claim 2, characterized in that: The heat exchange module (300) includes a heat exchange pipeline (310), a heated chamber (320), and a second water pump (400). The second outlet of the three-way valve I (200) is connected to the inlet of the heat exchange pipeline (310), the outlet of the heat exchange pipeline (310) is connected to the diesel heating module (100), the heated chamber (320) is connected to the inlet of the second water pump (400), the outlet of the second water pump (400) is connected to the inlet of the three-way valve II (800), and the first outlet of the three-way valve III (900) is connected to the heated chamber (320).

4. The diesel-powered heat exchange system with a heating motor controller according to claim 3, characterized in that: The diesel heating module (100) includes a water tank (110), a first water pump (120), and a diesel heating device (130). The water tank (110) is connected to the diesel heating device (130) through the first water pump (120). The diesel heating device (130) is connected to the inlet of a three-way valve I (200). The heater (3000) is connected to the water tank (110). The outlet of the heat exchange pipeline (310) is connected to the water tank (110).

5. The diesel-powered heat exchange system for a heating motor controller according to claim 3, characterized in that: A first solenoid valve (700) is provided between the three-way valve I (200) and the heat exchange pipeline (310). The first solenoid valve (700) is electrically connected to the vehicle controller. The vehicle controller is electrically connected to a first temperature detection sensor, which is used to detect the ambient temperature outside the vehicle. The second water pump (400) is electrically connected to the vehicle controller.

6. The diesel-powered heat exchange system with a heating motor controller according to claim 3, characterized in that: The heated cavity (320) is covered with a heat insulation layer (330).

7. The diesel-powered heat exchange system with a heating motor controller according to claim 4, characterized in that: The cab is equipped with a switch mechanism, the first water pump (120) is electrically connected to the switch mechanism, and the diesel heating device (130) is electrically connected to the switch mechanism.

8. The diesel-powered heat exchange system for a heating motor controller according to claim 7, characterized in that: The switching mechanism is electrically connected to the vehicle controller.

9. A new energy loader, characterized in that, A diesel-powered heating heat exchange system including the heating motor controller as described in any one of claims 1-8.

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