CN211127174U

CN211127174U - Power generation device of fuel cell emergency power supply vehicle

Info

Publication number: CN211127174U
Application number: CN201921675941.XU
Authority: CN
Inventors: 陈焕光
Original assignee: SHANGHAI EVERPOWER TECHNOLOGIES Ltd
Current assignee: SHANGHAI EVERPOWER TECHNOLOGIES Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-28
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a power generation facility of emergent power supply car of fuel cell, including a plurality of power generation modules, hydrogen module, heat dissipation module, main monitoring module, buffering energy storage module and dc-to-ac converter, power generation module's input all link to each other with hydrogen module and heat dissipation module, the output all links to each other with buffering energy storage module and dc-to-ac converter, power generation module, hydrogen module, heat dissipation module, buffering energy storage module and dc-to-ac converter be connected with main monitoring module respectively, every power generation module all is equipped with the pile controller, every pile controller links to each other with main monitoring module respectively. Compared with the prior art, the utility model has the advantages of efficient, power is big, the fault-tolerant rate is high and with low costs.

Description

Power generation device of fuel cell emergency power supply vehicle

Technical Field

The utility model relates to an emergent power supply car equipment especially relates to a power generation facility of emergent power supply car of fuel cell.

Background

The emergency power supply vehicle is an effective power supply mode in the occasions where power is needed when power is interrupted due to sudden accidents. At present, a fuel cell power generation technology based on hydrogen energy is generally accepted in the global scope as a new generation clean energy, and is gradually applied to the field of emergency power supply vehicles.

In order to solve the problem that monolithic fuel cell trouble can influence whole system output and system efficiency is lower, chinese utility model patent publication No. CN203180611U discloses an extensible fuel cell emergency power generation system, including a plurality of fuel cell power generation modules, the hydrogen supply system, the inverter, system controller and power consumption interface, input and hydrogen supply system after a plurality of fuel cell power generation modules are parallelly connected are connected, the output exports to DC/AC inverter after through a block terminal to power consumption interface, system controller and each power generation module, the hydrogen supply system, communication mode between the DC/AC inverter is wireless communication. Each set of fuel cell power generation module of the utility model is an independent power generation unit, and when one set of fuel cell power generation module in the emergency power generation system fails, the normal work of other power generation module units can not be influenced; when the external demand power is small, the fuel cell does not operate in the optimal working state, and the service life of the fuel cell is not influenced. However, the utility model monitors each module in the system only by one system controller, when the number of fuel cells is large, the processing task of the system controller becomes heavy, the processing efficiency becomes low, and the cost of the system is increased if the high-performance controller is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power generation facility of fuel cell emergency power supply car in order to overcome the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a power generation facility of emergent power supply car of fuel cell, includes a plurality of power generation module, supplies hydrogen module, thermal module, main monitoring module, buffering energy storage module and dc-to-ac converter, power generation module's input all link to each other with supplying hydrogen module and thermal module, the output all links to each other with buffering energy storage module and dc-to-ac converter, power generation module, supply hydrogen module, thermal module, buffering energy storage module and dc-to-ac converter be connected with main monitoring module respectively, every power generation module (1) all is equipped with the pile controller, every pile controller links to each other with main monitoring module respectively.

Preferably, the stack controller, the hydrogen supply module, the heat dissipation module, the buffer energy storage module and the inverter are connected with the main monitoring module through cables.

Preferably, the hydrogen supply module is connected with the power generation module through a hydrogen pipe, the heat dissipation module is connected with the power generation module through a cooling pipe, and the buffer energy storage module and the inverter are both connected with the power generation module through cables.

Preferably, the power generation module further comprises a pile auxiliary unit, a fuel pile and a direct current conversion unit which are connected in sequence, and the pile auxiliary unit, the fuel pile and the direct current conversion unit are respectively connected with the pile controller.

More preferably, the electric pile auxiliary unit includes air compressor machine and water pump, the heat dissipation module pass through the water pump and be connected with the fuel electric pile, the fuel electric pile pass through the air compressor machine and be connected with external atmosphere.

More preferably, the buffer energy storage module is a super battery, a lithium battery, a lead-acid battery or a flywheel.

More preferably, the buffering energy storage module is respectively connected with the air compressor and the water pump.

More preferably, the hydrogen supply module is a hydrogen cylinder group, and the heat dissipation module comprises a heat sink and a fan.

More preferably, the main monitoring module acquires the output pressure and temperature of the hydrogen cylinder group through a pressure sensor and a temperature sensor, acquires the rotating speed of the fan through a rotating speed sensor, and acquires the water temperature of the radiator through a water temperature sensor.

Compared with the prior art, the utility model has the advantages of it is following:

firstly, the efficiency is high: the utility model discloses all be equipped with the pile controller at every power module, the pile controller links to each other with main monitoring module, has reduced main monitoring module's information processing volume, has improved control efficiency.

Secondly, the power is large: the utility model discloses be equipped with a plurality of power module, improved the generated power of emergent power supply car greatly.

Thirdly, the fault tolerance rate is high: the utility model provides a power generation module is independent power generation unit, when certain power generation module breaks down, can not influence other power generation module, and power generation facility can normally work, and the fault-tolerant rate of device is higher.

Fourthly, the cost is low: the utility model discloses need not change current main monitoring module into the better module of performance, only need set up the moderate pile controller of performance in every power module and just can the problem of solution, required cost is lower.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the middle power generation module of the present invention.

The reference numbers in the figures indicate:

1. the system comprises a power generation module, 2, a hydrogen supply module, 3, a heat dissipation module, 4, a main monitoring module, 5, a buffer energy storage module, 6, an inverter, 11, a pile auxiliary unit, 12, a fuel pile, 13, a direct current conversion unit, 14 and a pile controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

The utility model discloses an embodiment as follows:

the power generation device comprises a power generation module 1, a hydrogen supply module 2, a heat dissipation module 3, a main monitoring module 4, a buffer energy storage module 5 and an inverter 6, wherein the hydrogen supply module 2 is connected with the power generation module 1 through a hydrogen pipe to provide hydrogen for the power generation module 1, the main monitoring module 4 monitors information such as high-low voltage output pressure and temperature of the hydrogen supply module 2, the heat dissipation module 3 is connected with the power generation module 1 through a cooling pipe to provide cooling water for heat dissipation of the power generation module 1, the main monitoring module 4 adopts an embedded P L C to monitor information such as fan rotating speed and water temperature of the heat dissipation module 3, the buffer energy storage module 5 is connected with the power generation module 1 through a cable to provide auxiliary power components for starting work of the power generation module 1, the inverter 6 is connected with each power generation module 1 through a cable to convert electric energy generated when the power generation module 1 generates power into voltage required by a user, the buffer energy storage module 5 is provided with an energy storage unit, and the energy storage unit can be a super battery, a lithium battery.

The power generation module 1, the hydrogen supply module 2, the heat dissipation module 3, the buffer energy storage module 5 and the inverter 6 are connected with the main monitoring module through cables; the stack controller 14 is connected to the main monitoring module 4 by a cable.

The power generation module 1 is provided with a stack auxiliary unit 11, a fuel cell stack 12, a dc conversion unit 13, and a stack controller 14. The stack auxiliary unit 11 includes an air compressor and a water pump. The fuel cell stack 12 obtains hydrogen from the hydrogen supply module 2 through a hydrogen pipe, obtains cooling liquid from the heat dissipation module 3 through a water pump connecting cooling pipe, and obtains air oxidant through an air compressor. After obtaining the hydrogen, the air oxidizer and the coolant, the operation is started under the control of the stack controller 14 and electric power is generated, and then the electric power is converted into a voltage output required by the load through the dc converter 13.

The stack auxiliary unit 11, the fuel cell stack 12, and the dc conversion unit 13 are connected by cables.

When the device operates, the main monitoring module 4 is powered on and sends a starting instruction to the pile controller 14 in one or more power generation modules 1, the pile controller 14 operates the air compressor and the water pump in the pile auxiliary unit 11 after receiving the starting instruction, the air compressor and the water pump and the like obtain starting power from the buffer energy storage module 5 and then operate, the pile controller 14 continuously monitors the operating states of the pile auxiliary unit 11, the fuel pile 12 and the direct current conversion unit 13, the fuel pile 12 outputs power, the power is converted by the direct current conversion unit 13, and then the power is simultaneously transmitted to the inverter 6 and the buffer energy storage module 5. The electric power supplied to the inverter 6 is converted into an ac voltage required by the consumer and supplied to the consumer electric equipment. The direct current transmitted to the buffer energy storage module 5 is used for charging and storing energy for the energy storage unit. The inverter 6 is connected with the buffer energy storage module 5 through a cable and is used for charging the energy storage unit.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a power generation facility of emergent power supply car of fuel cell, its characterized in that, includes a plurality of power module (1), supplies hydrogen module (2), heat radiation module (3), main monitoring module (4), buffering energy storage module (5) and inverter (6), the input of power module (1) all link to each other with supplying hydrogen module (2) and heat radiation module (3), the output all links to each other with buffering energy storage module (5) and inverter (6), power module (1), supply hydrogen module (2), heat radiation module (3), buffering energy storage module (5) and inverter (6) be connected with main monitoring module (4) respectively, every power module (1) all is equipped with pile controller (14), every pile controller (14) link to each other with main monitoring module (4) respectively.

2. The power generation device of the fuel cell emergency power supply vehicle according to claim 1, wherein the stack controller (14), the hydrogen supply module (2), the heat dissipation module (3), the buffer energy storage module (5) and the inverter (6) are connected with the main monitoring module through cables.

3. The power generation device of a fuel cell emergency power supply vehicle according to claim 1, wherein the hydrogen supply module (2) is connected to the power generation module (1) through a hydrogen pipe, the heat dissipation module (3) is connected to the power generation module (1) through a cooling pipe, and the buffer energy storage module (5) and the inverter (6) are connected to the power generation module (1) through cables.

4. The power generation device of the fuel cell emergency power supply vehicle according to claim 1, wherein the power generation module (1) further comprises a stack auxiliary unit (11), a fuel stack (12) and a dc conversion unit (13) which are connected in sequence, and the stack auxiliary unit (11), the fuel stack (12) and the dc conversion unit (13) are respectively connected with a stack controller (14).

5. The power generation device of a fuel cell emergency power supply vehicle according to claim 4, wherein the stack auxiliary unit (11) includes an air compressor and a water pump, the heat dissipation module (3) is connected to the fuel cell stack (12) through the water pump, and the fuel cell stack (12) is connected to the outside atmosphere through the air compressor.

6. The power generation device of the fuel cell emergency power supply vehicle according to claim 5, wherein the buffer energy storage module (5) is a super battery, a lithium battery, a lead-acid battery or a flywheel.

7. The power generation device of the fuel cell emergency power supply vehicle as claimed in claim 6, wherein the buffer energy storage module (5) is connected with an air compressor and a water pump respectively.

8. The power generation device of a fuel cell emergency power supply vehicle according to claim 1, wherein the hydrogen supply module (2) is a hydrogen cylinder group, and the heat dissipation module (3) includes a radiator and a fan.

9. The power generation device of the fuel cell emergency power supply vehicle according to claim 8, wherein the main monitoring module (4) obtains the output pressure and temperature of the hydrogen cylinder group through a pressure sensor and a temperature sensor, obtains the rotation speed of the fan through a rotation speed sensor, and obtains the water temperature of the radiator through a water temperature sensor.