Energy storage type hybrid energy generator set

Abstract

An energy storage type hybrid energy generator set comprises a management control box body (1), and a lithium battery energy storage system (2), an EMS energy management system (3) and a diesel generator set (4) are arranged in the management control box body (1). The diesel generating set (4) is connected to the lithium battery energy storage system (2), and the lithium battery energy storage system (2) is connected to the EMS energy management system (3). According to the utility model, the lithium battery energy storage system (2) and the diesel generating set (4) are taken as the core, and an automatic control technology of the EMS energy management system (3) is combined, so that a customized, safe and reliable temporary power utilization solution with low power supply cost is provided for customers.

Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to an energy storage type hybrid energy generator set. Background Art

[0002] Conventional diesel generator sets are not efficient, especially when the load fluctuates greatly, the capacity utilization efficiency is low, and energy cannot be effectively used. In order to solve the problem of low efficiency of conventional diesel generator sets, hybrid energy generator sets have appeared on the market. Hybrid energy generator sets combine diesel generator sets with energy storage batteries to organize a hybrid power supply system. The current hybrid energy generator sets, as emerging technologies, have problems of limited energy management and low utilization efficiency. If the problems of limited energy management and low utilization efficiency are solved, hybrid energy generator sets will achieve the goal of using hybrid energy for power supply, which can effectively improve energy utilization and achieve the goal of reducing emissions and carbon emissions. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides an energy storage type hybrid energy generator set.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A storage type hybrid energy generator set includes a management and control box 1, inside which a lithium battery energy storage system 2, an EMS energy management system 3 and a diesel generator set 4 are arranged; the diesel generator set 4 is connected to the lithium battery energy storage system 2, and the lithium battery energy storage system 2 is connected to the EMS energy management system 3.

[0006] The utility model also has the following additional technical features:

[0007] As a further specific optimization of the technical solution of the utility model: the management and control box 1 is made by transforming a container;

[0008] The front part of the management and control box 1 is provided with an integrated control cabinet 101, the right side of the integrated control cabinet 101 is provided with a first diesel engine air inlet silencer shutter 102, the right side of the first diesel engine air inlet silencer shutter 102 is provided with an audible and visual alarm-emergency stop button 103, and the right side of the audible and visual alarm-emergency stop button 103 is provided with a first daily maintenance door 104;

[0009] A ladder 105 is provided at the rear of the management and control box 1, a second daily maintenance door 106 is provided on the right side of the ladder 105, an oil inlet and return port 107 is provided at the right bottom of the second daily maintenance door 106, and a second diesel engine air inlet silencer shutter 108 is provided on the right side of the oil inlet and return port 107;

[0010] A PCS air inlet louver 109 is provided on the left side of the management and control box 1, and an air conditioner 110 is provided on the right side of the PCS air inlet louver 109;

[0011] A diesel generator top exhaust 111 is arranged on the top of the management and control box 1 .

[0012] As a further specific optimization of the technical solution of the utility model: the lithium battery energy storage system 2 includes a PCS energy storage system, a lithium iron phosphate energy storage battery and a perfluorohexanone fire protection system; the PCS energy storage system is responsible for the conversion of AC power and DC power and the management of the charging and discharging of the lithium iron phosphate energy storage battery. When the PCS energy storage system receives a charging command, it converts the AC power of the diesel generator set into DC power through rectification to charge the lithium iron phosphate energy storage battery. When the lithium iron phosphate energy storage battery is charged to the SOC upper limit, charging is automatically stopped. When the load increases, the DC power of the lithium iron phosphate energy storage battery is converted into AC power, and then the load is powered.

[0013] As a further specific optimization of the technical solution of the utility model: the EMS energy management system 3 includes an energy management controller and a touch screen; the EMS energy management system 3 performs operation mode and charge and discharge management according to the SOC of the energy storage system and the actual load changes; the EMS energy management system 3 dispatches the diesel generator set and PCS according to the load and battery conditions; when the energy storage hybrid energy generator set enters the exceptional working mode, the EMS energy management system 3 sets a power limit.

[0014] As a further specific optimization of the technical solution of the utility model: the diesel generator set 4 includes a diesel generator set consisting of an engine, an AC synchronous generator, a radiator and a control system; the diesel engine converts the chemical energy of diesel into mechanical energy, driving the AC synchronous generator to rotate, and the AC synchronous generator converts mechanical energy into electrical energy by cutting magnetic flux lines using the principle of electromagnetic induction. The control system is responsible for detecting the operating status of the diesel generator set consisting of the engine and the AC synchronous generator to ensure the normal operation of the equipment.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model product takes the lithium battery energy storage system 2 and the diesel generator set 4 as the core, and combines the automatic control technology of the EMS energy management system 3 to provide customers with customized, safe, reliable and low-cost temporary power supply solutions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of the management and control box 1 of the utility model;

[0018] Figure 2This is a schematic diagram of the main structure of the management and control box 1 of the utility model;

[0019] Figure 3 This is a rear structural diagram of the management and control box 1 of the utility model;

[0020] Figure 4 This is a left-side structural diagram of the management and control box 1 of the utility model;

[0021] Figure 5 It is a right view structural diagram of the management and control box 1 of the utility model;

[0022] Figure 6 This is a schematic diagram of the top view of the management and control box 1 of the utility model;

[0023] Figure 7 This is a schematic diagram of the internal structure of the energy storage type hybrid energy generator set of the utility model.

[0024] Explanation of the reference numerals: management and control box 1, lithium battery energy storage system 2, EMS energy management system 3, diesel generator set 4. DETAILED DESCRIPTION

[0025] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0026] A storage type hybrid energy generator set includes a management and control box 1, inside which a lithium battery energy storage system 2, an EMS energy management system 3 and a diesel generator set 4 are arranged; the diesel generator set 4 is connected to the lithium battery energy storage system 2, and the lithium battery energy storage system 2 is connected to the EMS energy management system 3.

[0027] The management and control box 1 is made by transforming a container.

[0028] An integrated control cabinet 101 is arranged at the front of the management and control box 1, and a first diesel generator air inlet silencer shutter 102 is arranged on the right side of the integrated control cabinet 101, a sound and light alarm-emergency stop button 103 is arranged on the right side of the first diesel generator air inlet silencer shutter 102, and a first daily maintenance door 104 is arranged on the right side of the sound and light alarm-emergency stop button 103.

[0029] A ladder 105 is provided at the rear of the management and control box 1, a second daily maintenance door 106 is provided on the right side of the ladder 105, an oil inlet and return port 107 is provided at the right bottom of the second daily maintenance door 106, and a second diesel engine air inlet silencer shutter 108 is provided on the right side of the oil inlet and return port 107.

[0030] A PCS air inlet louver 109 is provided on the left side of the management and control box 1 , and an air conditioner 110 is provided on the right side of the PCS air inlet louver 109 .

[0031] A diesel generator top exhaust 111 is arranged on the top of the management and control box 1 .

[0032] The lithium battery energy storage system 2 includes a PCS energy storage system, a lithium iron phosphate energy storage battery and a perfluorohexanone fire protection system; the PCS energy storage system is responsible for the conversion of AC power and DC power and the management of the charging and discharging of the lithium iron phosphate energy storage battery. When the PCS energy storage system receives a charging command, it converts the AC power of the diesel generator set into DC power through rectification to charge the lithium iron phosphate energy storage battery. When the lithium iron phosphate energy storage battery is charged to the SOC upper limit, charging is automatically stopped. When the load increases, the DC power of the lithium iron phosphate energy storage battery is converted into AC power, and then the load is powered.

[0033] In actual use, the model of the PCS energy storage system is PCS175, the model of the lithium iron phosphate energy storage battery is SM9K22FM, and the model of the perfluorohexanone fire protection system is XQFC4 / 1.6-XL.

[0034] The EMS energy management system 3 includes an energy management controller and a touch screen. In actual use, the model of the energy management controller is AS4, and the model of the touch screen is AGI4. The EMS energy management system 3 performs operating mode and charge and discharge management according to the SOC of the energy storage system and the actual load changes; the EMS energy management system 3 dispatches the diesel generator set and PCS according to the load and battery conditions; when the energy storage hybrid energy generator set enters the exceptional working mode, the EMS energy management system 3 sets a power limit.

[0035] The diesel generator set 4 includes a diesel generator set consisting of an engine, an AC synchronous generator, a radiator and a control system; in actual use, the diesel generator set consists of an engine model of YC6K500-D30, an AC synchronous generator model of VDI-300, a radiator model of YC-6K500-D30, and a control system model of VDP-830. The diesel engine converts the chemical energy of diesel into mechanical energy to drive the AC synchronous generator to rotate, and the AC synchronous generator converts mechanical energy into electrical energy by cutting magnetic flux lines and using the principle of electromagnetic induction. The control system is responsible for detecting the operating status of the diesel generator set consisting of the engine and the AC synchronous generator to ensure the normal operation of the equipment.

[0036] The above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention but merely represents selected embodiments of the present invention.

Claims

1. An energy storage type hybrid energy generator set, characterized in that: The invention comprises a management and control box (1), wherein a lithium battery energy storage system (2), an EMS energy management system (3) and a diesel generator set (4) are arranged inside the management and control box (1); the diesel generator set (4) is connected to the lithium battery energy storage system (2), and the lithium battery energy storage system (2) is connected to the EMS energy management system (3).

2. The energy storage type hybrid energy generator set according to claim 1, characterized in that: The management and control box (1) is made by transforming a container; The front part of the management and control box (1) is provided with an integrated control cabinet (101), the right side of the integrated control cabinet (101) is provided with a first diesel engine air inlet silencer louver (102), the right side of the first diesel engine air inlet silencer louver (102) is provided with an audible and visual alarm-emergency stop button (103), and the right side of the audible and visual alarm-emergency stop button (103) is provided with a first daily maintenance door (104); A ladder (105) is arranged at the rear of the management and control box (1), a second daily maintenance door (106) is arranged on the right side of the ladder (105), an oil inlet and return port (107) is arranged at the right bottom of the second daily maintenance door (106), and a second diesel engine air inlet and silencer shutter (108) is arranged on the right side of the oil inlet and return port (107); A PCS air inlet louver (109) is arranged on the left side of the management and control box (1), and an air conditioner (110) is arranged on the right side of the PCS air inlet louver (109); A diesel generator top exhaust (111) is arranged on the top of the management and control box (1).

3. The energy storage type hybrid energy generator set according to claim 1, characterized in that: The lithium battery energy storage system (2) comprises a PCS energy storage system, a lithium iron phosphate energy storage battery and a perfluorohexanone fire protection system.

4. The energy storage type hybrid energy generator set according to claim 1, characterized in that: The EMS energy management system (3) comprises an energy management controller and a touch screen.

5. The energy storage type hybrid energy generator set according to claim 1, characterized in that: The diesel generator set (4) comprises a diesel generator set consisting of an engine, an AC synchronous generator, a radiator and a control system.

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