Heterogeneous heat source hybrid heat management system

Abstract

The utility model relates to the technical field of heat management of new energy equipment, in particular to a heterogeneous heat source hybrid heat management system. The system comprises a first heat source module, a second heat source module and a heat management module for synchronously managing the first heat source module and the second heat source module, the heat management module comprises a heat dissipation module and a water pump, the heat dissipation module and the water pump are connected in the main circulation loop in series through pipelines, and the first heat source module and the second heat source module are connected in the main circulation loop in parallel through pipelines. The structure is compact, and compared with a traditional structure, the occupied space is greatly reduced; according to the utility model, different temperature control requirements of the energy storage battery and the charging system host power supply are met through a single thermal management system, and the use is flexible; the temperature control device has three different thermal management modes, optimizes a heat flow path in different operation modes by utilizing a fluid heat exchange principle and an electromagnetic valve control strategy, and realizes efficient temperature control of a battery and a power supply.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy equipment thermal management technical field especially a kind of heterogeneous heat source mixed heat management system. BACKGROUND

[0002] With the rapid development of new energy technology, the market demand of charging and storage integrated equipment is increasing. The charging and storage integrated equipment usually includes two heat sources of energy storage battery and charging system power module.

[0003] In the prior art, the working temperature ranges of the energy storage battery and the charging system power module are different, so two independent thermal management systems are used to handle different temperature zone requirements. Two independent thermal management systems need to be configured with two sets of pipeline systems, which occupy a large installation control and have high equipment cost. The system cannot realize waste heat cascade utilization and has low energy efficiency. Double maintenance system increases operation and maintenance cost. UTILITY MODEL CONTENTS

[0004] The present application provides a heterogeneous heat source mixed heat management system to meet the different temperature control requirements of energy storage battery and charging system host power through a single thermal management system. At the same time, the system uses fluid heat exchange principle and electromagnetic valve control strategy to optimize heat flow path in different operating modes and realize efficient temperature control of battery and power supply.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The heterogeneous heat source mixed heat management system includes a first heat source module, a second heat source module and a thermal management module for synchronously managing the first heat source module and the second heat source module. The thermal management module includes a heat dissipation module and a water pump. The heat dissipation module and the water pump are connected in series through a pipeline in a main circulation loop. The first heat source module and the second heat source module are connected in parallel through a pipeline in the main circulation loop. A heat dissipation channel is arranged on each of the first heat source module and the second heat source module. The inlet and outlet ends of the heat dissipation channel are connected to the main circulation loop through a pipeline. Cooling medium can flow in the heat dissipation channel for heat exchange. The cooling medium in the main circulation loop flows into the heat dissipation channel and exchanges heat with the first heat source module and the second heat source module. A first electromagnetic valve is arranged on the parallel branch connected to the inlet end of the heat dissipation channel of the first heat source module. The first electromagnetic valve can control the on-off of the parallel branch where the first heat source module is located. A second electromagnetic valve is arranged on the main circulation loop segment to which the parallel branch where the first heat source module is located is connected. The second electromagnetic valve can control the on-off of the main circulation loop segment. A third electromagnetic valve is arranged on the parallel branch connected to the inlet end of the heat dissipation channel of the second heat source module. The third electromagnetic valve can control the on-off of the parallel branch where the second heat source module is located. A fourth electromagnetic valve is arranged on the main circulation loop segment to which the parallel branch where the second heat source module is located is connected. The fourth electromagnetic valve can control the on-off of the main circulation loop segment.

[0007] Further, the heat dissipation module is provided with an expansion tank on one side, the water inlet and outlet of the expansion tank are connected to the main circulation loop through pipelines, the expansion tank stores cooling water and provides cooling water for the main circulation loop, and the excess cooling water in the main circulation loop can also be stored in the expansion tank.

[0008] Further, the first pressure sensor and the first temperature sensor are arranged in series in the main circulation loop, the first pressure sensor and the first temperature sensor are located at the water outlet end of the water pump, the second temperature sensor is arranged in series in the main circulation loop, the second temperature sensor is located at the outlet end of the heat dissipation channel of the first heat source module, and the third temperature sensor is arranged in series in the main circulation loop, and the third temperature sensor is located at the outlet end of the heat dissipation channel of the second heat source module.

[0009] Further, the heat management module further comprises a control module, the control module is electrically connected with the first pressure sensor, the first temperature sensor, the second temperature sensor and the third temperature sensor respectively, the first pressure sensor, the first temperature sensor, the second temperature sensor and the third temperature sensor can transmit the detected data to the control module, and the control module is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve respectively.

[0010] Further, the flow meter is arranged in series in the main circulation loop, and the flow meter is located at the water outlet end of the water pump.

[0011] Further, the control module is electrically connected with the water pump and the flow meter respectively, and the control module adjusts the working power of the water pump according to the flow change detected by the flow meter.

[0012] Further, the first heat source module is an energy storage battery, and the second heat source module is a charging power supply.

[0013] Further, the heat dissipation module adopts a heat dissipation compressor unit.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model discloses compact structure, compared with traditional structure has greatly reduced the occupied space, the utility model discloses through single heat management system satisfies the different temperature control demand of energy storage battery and charging system host power supply, uses flexible, the utility model discloses possess three different heat management modes, the utility model discloses utilize fluid heat exchange principle and solenoid valve control strategy, optimizes the heat flow path under different operation modes, realizes the efficient temperature control of battery and power supply. The utility model discloses the battery waste heat as power module cold source, can reduce system energy consumption 20% or above, the utility model discloses can carry out the dynamic flow distribution of self -adaptation based on the working condition, can realize more accurate heat management. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the utility model structural principle diagram.

[0017] Among them: 1, first heat source module, 2, second heat source module, 3, heat dissipation module, 4, water pump, 5, expansion water tank, 6, first solenoid valve, 7, second solenoid valve, 8, third solenoid valve, 9, fourth solenoid valve, 10, flowmeter, 11, first pressure sensor, 12, first temperature sensor, 13, second temperature sensor, 14, third temperature sensor. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is described below in combination with the drawings.

[0019] As Figure 1 Indicated, the heterogeneous heat source mixed heat management system includes first heat source module 1, second heat source module 2 and the heat management module of synchronous management first heat source module 1, second heat source module 2.

[0020] As Figure 1 Indicated, the heat management module includes heat dissipation module 3 and water pump 4, and heat dissipation module 3 and water pump 4 are connected in series in main circulation loop through pipeline, and first heat source module 1 and second heat source module 2 are connected in parallel in main circulation loop through pipeline respectively. When working, main circulation loop is full of flowing cooling medium, and in the embodiment, the cooling medium adopts water. Water pump 4 can make water circulate in main circulation loop, and when the cold water in main circulation loop passes through first heat source module 1 and second heat source module 2 connected in parallel in main circulation loop, can exchange heat with first heat source module 1 and second heat source module 2, and the hot water after heat exchange reaches heat dissipation module 3, and heat dissipation module 3 can actively radiate and cool the hot water in main circulation loop, to meet the heat dissipation demand of heat source in main circulation loop.

[0021] As Figure 1As shown in the figure, the heat dissipation module 3 is connected in parallel with an expansion tank 5 on one side, the water inlet and outlet of the expansion tank 5 are connected to the main circulating loop through pipelines, the expansion tank 5 stores cooling water and provides cooling water to the main circulating loop, and the excess cooling water in the main circulating loop can also be stored in the expansion tank 5.

[0022] The first heat source module 1 and the second heat source module 2 are both provided with heat dissipation channels, the inlet and outlet ends of the heat dissipation channels are connected to the main circulating loop through pipelines, and cooling medium can flow in the heat dissipation channels to exchange heat, and the cooling medium in the main circulating loop flows into the heat dissipation channels to exchange heat with the first heat source module 1 and the second heat source module 2.

[0023] As shown in the figure, Figure 1 The inlet end of the heat dissipation channel of the first heat source module 1 is connected to a parallel branch, and a first electromagnetic valve 6 is arranged on the parallel branch, the first electromagnetic valve 6 can control the on-off of the parallel branch where the first heat source module 1 is located. A second electromagnetic valve 7 is arranged on the main circulating loop section to which the parallel branch where the first heat source module 1 is located is connected, and the second electromagnetic valve 7 can control the on-off of the main circulating loop section.

[0024] As shown in the figure, Figure 1 The inlet end of the heat dissipation channel of the second heat source module 2 is connected to a parallel branch, and a third electromagnetic valve 8 is arranged on the parallel branch, the third electromagnetic valve 8 can control the on-off of the parallel branch where the second heat source module 2 is located. A fourth electromagnetic valve 9 is arranged on the main circulating loop section to which the parallel branch where the second heat source module 2 is located is connected, and the fourth electromagnetic valve 9 can control the on-off of the main circulating loop section.

[0025] As shown in the figure, Figure 1 The first heat source module 1 is an energy storage battery, and the working temperature range of the energy storage battery is 20℃±2℃. The second heat source module 2 is a charging power supply, and the working temperature range of the charging power supply is 55℃±5℃. In the charging and storage equipment, the energy storage battery is used to store electric energy, and the charging power supply is used to provide electric energy to the charging host.

[0026] As shown in the figure, Figure 1 The heat dissipation module 3 adopts a heat dissipation compressor set, and according to needs, a heat dissipation fan or other equipment with heat dissipation effect can also be selected.

[0027] In this embodiment, by controlling the on-off of the first electromagnetic valve 6, the second electromagnetic valve 7, the third electromagnetic valve 8 and the fourth electromagnetic valve 9, three different working modes of a hybrid heat management mode, a battery heat management mode and a power supply heat management mode can be formed. According to different heat dissipation needs, the user can switch between the three working modes.

[0028] In the mixed thermal management mode, the first electromagnetic valve 6 and the third electromagnetic valve 8 are opened, the second electromagnetic valve 7 and the fourth electromagnetic valve 9 are closed, the cooling medium in the main circulating loop flows through the first electromagnetic valve 6 after passing through the water pump, enters the inlet end of the heat dissipation channel of the first heat source module 1, then flows through the outlet end of the heat dissipation channel of the first heat source module 1 through the third electromagnetic valve 8, then enters the inlet end of the heat dissipation channel of the second heat source module 2, and finally flows back to the heat dissipation module 3 for active heat dissipation cooling. In the mixed thermal management mode, the first heat source module 1 and the second heat source module 2 simultaneously dissipate heat.

[0029] In the battery thermal management mode, the first electromagnetic valve 6 and the fourth electromagnetic valve 9 are opened, the second electromagnetic valve 7 and the third electromagnetic valve 8 are closed, the cooling medium in the main circulating loop flows through the first electromagnetic valve 6 after passing through the water pump, enters the inlet end of the heat dissipation channel of the first heat source module 1, then flows through the outlet end of the heat dissipation channel of the first heat source module 1 through the fourth electromagnetic valve 9, and then flows back to the heat dissipation module 3 for active heat dissipation cooling. In the battery thermal management mode, only the first heat source module 1, that is, the energy storage battery, dissipates heat.

[0030] In the power supply thermal management mode, the second electromagnetic valve 7 and the third electromagnetic valve 8 are opened, the first electromagnetic valve 6 and the fourth electromagnetic valve 9 are closed, the cooling medium in the main circulating loop flows through the second electromagnetic valve 7 and the third electromagnetic valve 8 in turn after passing through the water pump, enters the inlet end of the heat dissipation channel of the second heat source module 2, and then flows back to the heat dissipation module 3 for active heat dissipation cooling. In the power supply thermal management mode, only the second heat source module 2, that is, the charging power supply, dissipates heat.

[0031] As shown in Figure 1 , a flow meter 10 is arranged in series in the main circulating loop, and the flow meter 10 is located at one end of the water outlet of the water pump 4. The flow meter 10 can detect the flow of the cooling medium in the main circulating loop.

[0032] As shown in Figure 1 , a first pressure sensor 11 and a first temperature sensor 12 are arranged in series in the main circulating loop, and the first pressure sensor 11 and the first temperature sensor 12 are located at one end of the water outlet of the water pump 4. The first pressure sensor 11 can detect the pressure of the cooling medium in the main circulating loop, and the first temperature sensor 12 can detect the temperature of the cooling medium in the main circulating loop.

[0033] As shown in Figure 1 , a second temperature sensor 13 is arranged in series in the main circulating loop, and the second temperature sensor 13 is located at the outlet end of the heat dissipation channel of the first heat source module 1. The second temperature sensor 13 can detect the temperature of the cooling medium in the main circulating loop.

[0034] As shown in Figure 1As shown, the third temperature sensor 14 is arranged in series in the main circulation loop, and the third temperature sensor 14 is located at the outlet end of the heat dissipation channel of the second heat source module 2. The third temperature sensor 14 can detect the temperature of the cooling medium in the main circulation loop section.

[0035] The heat management module further comprises a control module, the control module is electrically connected with the first pressure sensor 11, the first temperature sensor 12, the second temperature sensor 13 and the third temperature sensor 14 respectively, the first pressure sensor 11, the first temperature sensor 12, the second temperature sensor 13 and the third temperature sensor 14 can transmit the detected data to the control module, the control module is further electrically connected with the first electromagnetic valve 6, the second electromagnetic valve 7, the third electromagnetic valve 8 and the fourth electromagnetic valve 9 respectively, and the control module controls the opening and closing of the first electromagnetic valve 6, the second electromagnetic valve 7, the third electromagnetic valve 8 and the fourth electromagnetic valve 9 according to the detected data. The control module is further electrically connected with the water pump 4 and the flow meter 10, and the control module adjusts the working power of the water pump 4 according to the flow change detected by the flow meter 10.

[0036] The utility model discloses a single heat management system meets the different temperature control demand of energy storage battery and charging system host computer power supply, and the use is flexible. The heat management system of the utility model has three different heat management modes, and the utility model utilizes fluid heat exchange principle and electromagnetic valve control strategy, optimizes heat flow path under different operation modes, and realizes efficient temperature control to battery and power supply. The utility model uses battery waste heat as power module cold source, can reduce system energy consumption by more than 20%, and the utility model can carry out adaptive dynamic flow distribution based on working condition, and can realize more accurate heat management.

[0037] The above description is an explanation of the utility model, not a limitation of the utility model, and the range defined by the utility model is referred to the claims, and any form of modification can be made within the protection range of the utility model.

Claims

1. A heterogeneous heat source hybrid thermal management system, characterized by: The heat management module includes a heat dissipation module (3) and a water pump (4), the heat dissipation module (3) and the water pump (4) are connected in series through a pipeline in a main circulation loop, the first heat source module (1) and the second heat source module (2) are connected in parallel through a pipeline in the main circulation loop; The first heat source module (1) and the second heat source module (2) are provided with a heat dissipation channel, the inlet and outlet ends of the heat dissipation channel are connected with the main circulation loop through a pipeline, cooling medium can flow in the heat dissipation channel to exchange heat, the cooling medium in the main circulation pipeline flows into the heat dissipation channel and exchanges heat with the first heat source module (1) and the second heat source module (2); The inlet end of the heat dissipation channel of the first heat source module (1) is connected with a parallel branch, a first electromagnetic valve (6) is arranged on the parallel branch, the first electromagnetic valve (6) can control the on-off of the parallel branch where the first heat source module (1) is located, a second electromagnetic valve (7) is arranged on the main circulation loop segment to which the parallel branch where the first heat source module (1) is located is connected, the second electromagnetic valve (7) can control the on-off of the main circulation loop segment; The inlet end of the heat dissipation channel of the second heat source module (2) is connected with a parallel branch, a third electromagnetic valve (8) is arranged on the parallel branch, the third electromagnetic valve (8) can control the on-off of the parallel branch where the second heat source module (2) is located, a fourth electromagnetic valve (9) is arranged on the main circulation loop segment to which the parallel branch where the second heat source module (2) is located is connected, the fourth electromagnetic valve (9) can control the on-off of the main circulation loop segment.

2. The hybrid thermal management system of claim 1, wherein: The heat dissipation module (3) is provided with an expansion tank (5) on one side, the water inlet and outlet of the expansion tank (5) are connected in the main circulation loop through a pipeline, the expansion tank (5) stores cooling water and provides cooling water for the main circulation loop, and the excess cooling water in the main circulation loop can also be stored in the expansion tank (5).

3. The hybrid thermal management system of claim 2, wherein: The first pressure sensor (11) and the first temperature sensor (12) are located at the water outlet end of the water pump (4), the second temperature sensor (13) is located at the outlet end of the heat dissipation channel of the first heat source module (1), and the third temperature sensor (14) is located at the outlet end of the heat dissipation channel of the second heat source module (2).

4. The hybrid thermal management system of claim 3, wherein: The heat management module further comprises a control module, the control module is electrically connected with the first pressure sensor (11), the first temperature sensor (12), the second temperature sensor (13) and the third temperature sensor (14) respectively, the first pressure sensor (11), the first temperature sensor (12), the second temperature sensor (13) and the third temperature sensor (14) can transmit the detected data to the control module, and the control module is further electrically connected with the first electromagnetic valve (6), the second electromagnetic valve (7), the third electromagnetic valve (8) and the fourth electromagnetic valve (9) respectively, and the control module controls the opening and closing of the first electromagnetic valve (6), the second electromagnetic valve (7), the third electromagnetic valve (8) and the fourth electromagnetic valve (9) according to the detected data.

5. The hybrid thermal management system of claim 4, wherein: The flow meter (10) is arranged in series in the main circulation loop and located at one end of the water outlet of the water pump (4).

6. The hybrid thermal management system of claim 5, wherein: The control module is electrically connected with the water pump (4) and the flow meter (10), and the control module adjusts the working power of the water pump (4) according to the flow change detected by the flow meter (10).

7. The hybrid thermal source heat management system of claim 6, wherein: The first heat source module (1) is an energy storage battery, and the second heat source module (2) is a charging power supply.

8. The hybrid thermal management system of claim 7, wherein: The heat dissipation module (3) adopts a heat dissipation compressor unit.

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