CN211416972U - Energy auxiliary structure of hydrogen fuel cell logistics vehicle - Google Patents
Energy auxiliary structure of hydrogen fuel cell logistics vehicle Download PDFInfo
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- CN211416972U CN211416972U CN201921796179.0U CN201921796179U CN211416972U CN 211416972 U CN211416972 U CN 211416972U CN 201921796179 U CN201921796179 U CN 201921796179U CN 211416972 U CN211416972 U CN 211416972U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model provides a hydrogen fuel cell commodity circulation car energy auxiliary structure, including brake air compression motor controller, brake air compression motor and gas holder, brake air compression motor controller electric connection brake air compression motor, brake air compression motor controller includes control panel and power board, the control panel adopts the mode of contact pin to be connected with the power board, be equipped with IGBT power component on the power board, adopt flexible copper bar to be connected between IGBT power component and the brake air compression motor, brake air compression motor connects the gas holder, be equipped with multi-way valve and mechanical relief valve on the gas holder, the system of air brake is connected to the multi-way valve. The utility model has the advantages that: the utility model discloses a brake air compression motor absorbs the idle speed output power of hydrogen fuel cell commodity circulation car and consumes for the energy management system control of hydrogen fuel cell commodity circulation car is more simple reasonable, and further improved the stability and the reliability of whole car braking.
Description
Technical Field
The utility model relates to a hydrogen fuel cell energy auxiliary technology field especially relates to a hydrogen fuel cell commodity circulation car energy auxiliary structure.
Background
With the gradual increase of the power of the hydrogen fuel cell to 110Kw, the main energy of the whole hydrogen fuel cell logistics vehicle gradually inclines towards the hydrogen fuel cell, and the electric logistics vehicle taking the hydrogen fuel cell as the main energy source has appeared in the market, but due to the product characteristics of the domestic hydrogen fuel cell, the output of the electric pile needs to be closed under certain extreme conditions because the output of the 0Kw power to the outside of the system under the idling condition cannot be realized, thereby not only greatly reducing the power performance of the whole vehicle, but also greatly reducing the use satisfaction degree of customers.
When the electric quantity of the power battery of the whole vehicle reaches the threshold value of forbidding charging, because the electric pile also outputs idle power, if the power battery is protected and the power battery is prevented from being overcharged, the high voltage of the hydrogen fuel battery system is forced, the high voltage of the hydrogen fuel system needs to be blown and restarted for at least 6min, if the vehicle is in a red light waiting state for preparation for driving at the moment, and the electric pile is powered off at the moment, the power performance of the whole vehicle is greatly limited, and certain potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides an energy auxiliary structure for a hydrogen fuel cell logistics vehicle.
The embodiment of the utility model provides a hydrogen fuel cell commodity circulation car energy auxiliary structure, including brake air compression motor controller, brake air compression motor and gas holder, brake air compression motor controller electric connection the brake air compression motor, brake air compression motor controller includes control panel and power board, the control panel with the power board adopts the mode of contact pin to be connected, be equipped with IGBT power component on the power board, IGBT power component with adopt flexible copper bar to connect between the brake air compression motor, brake air compression motor connects the gas holder, be equipped with multi-way valve and mechanical relief valve on the gas holder, the multi-way valve is connected the air brake system of hydrogen fuel cell commodity circulation car, the gas holder is used for storing compressed air, the multi-way valve is used for controlling compressed air output, the mechanical pressure relief valve is used for relieving the pressure of the air storage tank.
Further, the power board is electrically connected with a high-voltage distribution box PDU, and a high-voltage output end of the high-voltage distribution box PDU is electrically connected with an input end of the IGBT power element.
Furthermore, the three-phase output end of the IGBT power element is connected with the three-phase input end of the brake air compression motor through the flexible copper bar in a high-voltage mode.
Further, high voltage distribution box PDU connects hydrogen fuel cell system and power battery system respectively, hydrogen fuel cell system is used for hydrogen fuel cell commodity circulation car power supply, high voltage distribution box PDU is used for the distribution and guarantees power battery system's the circuit that charges and discharges switches on.
Furthermore, a connecting pipeline between the brake air compression motor and the air storage tank is provided with an intercooler and a drying cylinder.
Further, an air pressure sensor is arranged in the air storage tank and electrically connected with the brake air compression motor controller.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a hydrogen fuel cell commodity circulation car energy auxiliary structure passes through braking air compression motor will the idle speed output of hydrogen fuel cell commodity circulation car absorbs and consumes, even use high-pressure gas braking scheme to replace original low pressure liquid braking scheme, makes the energy management system control of hydrogen fuel cell commodity circulation car is more simple reasonable to the stability and the reliability of whole car braking have further been improved.
Drawings
Fig. 1 is a schematic diagram of an energy auxiliary structure of a hydrogen fuel cell logistics vehicle of the present invention.
Fig. 2 is a functional frame diagram of the energy auxiliary structure of the hydrogen fuel cell logistics vehicle of the present invention.
Fig. 3 is a power system connection diagram of a hydrogen fuel cell logistics vehicle according to the present invention.
Fig. 4 is a working principle diagram of the energy auxiliary structure of the hydrogen fuel cell logistics vehicle of the present invention.
In the figure: the method comprises the following steps of 1-braking air compression motor controller, 2-braking air compression motor, 3-control board, 4-power board, 5-IGBT power element, 6-high voltage distribution box PDU, 7-hydrogen fuel cell system, 8-power battery system, 9-gas storage tank, 10-multi-way valve, 11-mechanical pressure relief valve, 12-intercooler, 13-drying cylinder, 14-air pressure sensor and 15-air filter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a hydrogen fuel cell logistics vehicle energy auxiliary structure, including a brake air compression motor controller 1, a brake air compression motor 2 and an air storage tank 9, where the brake air compression motor controller 1 is electrically connected to the brake air compression motor 2, the brake air compression motor controller 1 includes a control board 3 and a power board 4, and the control board 3 is connected to the power board 4 by using a pin.
Be equipped with IGBT power component 5 on the power board 4, IGBT power component 5 with adopt flexible copper bar to connect between the braking air compression motor 2, specifically, IGBT power component 5's three-phase output passes through flexible copper bar high pressure is connected braking air compression motor 2's three-phase input end, this kind of connected mode has fine antidetonation effect on the one hand, and on the other hand is convenient for repack the combination formula into the disconnect-type, makes things convenient for whole car to arrange.
Referring to fig. 3, the power board 4 is electrically connected to a high voltage distribution box PDU6, specifically, a high voltage output terminal of the high voltage distribution box PDU6 is electrically connected to an input terminal of the IGBT power element 5, in this embodiment, the high voltage distribution box PDU6 is respectively connected to a hydrogen fuel cell system 7 and a power battery system 8 of the hydrogen fuel cell logistics vehicle, the high voltage distribution box PDU6 is used for power distribution and ensures that a charging and discharging loop of the power battery system 8 is conducted, and the hydrogen fuel cell system 7 is used for supplying power to the hydrogen fuel cell logistics vehicle.
Referring to fig. 1, 2 and 4, an air filter 15 is disposed on an air inlet of the brake air compression motor 2, the air filter 15 is used for filtering and cleaning air entering the brake air compression motor 2, in this embodiment, two low-voltage inputs are disposed on the control board 3, and the two low-voltage inputs are respectively located on different plug-ins, and the two plug-ins are designed to prevent a vehicle safety problem caused by abnormal control function due to loosening of the plug-ins.
The brake air compression motor 2 is connected with the air storage tank 9 through a pipeline, a multi-way valve 10 and a mechanical pressure relief valve 11 are arranged on the air storage tank 9, the air storage tank 9 is used for storing compressed air, the multi-way valve 10 is used for controlling the output of the compressed air, and the mechanical pressure relief valve 11 is used for relieving pressure of the air storage tank 9; brake air compression motor 2 with be equipped with intercooler 12 and a dry section of thick bamboo 13 on the connecting line between the gas holder 9, intercooler 12 is used for reducing compressed air's temperature, dry section of thick bamboo 13 is used for absorbing moisture in the compressed air plays dry effect, passes through in this embodiment mechanical relief valve 11 artificial adjustment the pressure release threshold value of gas holder 9 works as when the internal gas pressure of gas holder 9 reaches the pressure release threshold value, mechanical relief valve 11 will open automatically, will partial air in the gas holder 9 is released to the atmosphere, thereby guarantees brake air compression motor 2 can last work in the longer time, and does not receive the influence of gas holder 9 atmospheric pressure.
Since the air compression motor 2 cannot be in a working state for a long time, otherwise, the service life of the air compression motor is affected, when the type of the brake air compression motor 2 is selected, the working power of the brake air compression motor 2 is at least 2 times of the idle speed output power of the hydrogen fuel cell system 7, so that the brake air compression motor 2 can output twice of the idle speed output power of the hydrogen fuel cell system 7, and the brake air compression motor 2 can be ensured to work for a period of time, then rest for a period of time, and repeatedly work back and forth until the hydrogen fuel cell logistics vehicle runs again or gets off the vehicle.
The air storage tank 9 is internally provided with an air pressure sensor 14, the air pressure sensor 14 is electrically connected with the brake air compressor motor controller 1, the air pressure sensor 14 is used for monitoring the air pressure value in the air storage tank 9, the air storage tank 9 is connected with the air brake system of the hydrogen fuel cell logistics vehicle through the multi-way valve 10, in the embodiment, the multi-way valve 10 is provided with a plurality of air path outlets, one or more of the air path outlets are connected with the air brake system of the hydrogen fuel cell logistics vehicle, so that the compressed air in the air storage tank 9 can be used between the air brake systems, namely, the high-pressure air brake braking scheme of the utility model is realized to replace the original low-pressure liquid brake braking scheme, so that the utility model is not only suitable for the hydrogen fuel cell logistics vehicle with lighter tonnage, but also suitable for the hydrogen fuel cell logistics vehicle with larger tonnage, and even can be applied to certain special trucks, similar to muck trucks, mixer trucks and the like.
The utility model relates to a hydrogen fuel cell commodity circulation car energy auxiliary structure's concrete control flow does:
work as hydrogen fuel cell commodity circulation car hydrogen fuel cell system 7 has idle output power during, just power battery electric quantity in the power battery system 8 has reached the threshold value of prohibiting charging, then control panel 3 sends control command control through vehicle control unit VCU brake air compression motor 2 carries out work, brake air compression motor 2 with the air compression extremely in the gas holder 9, in order to realize with hydrogen fuel cell system 7's idle output power converts internal energy into, works as when hydrogen fuel cell commodity circulation car needs the brake, high-pressure air braking system can directly use in the gas holder 9 compressed air, in order to consume compressed air.
The utility model discloses a hydrogen fuel cell commodity circulation car energy auxiliary structure passes through brake air compression motor 2 will the idle speed output of hydrogen fuel cell commodity circulation car absorbs and consumes, even use high-pressure air braking scheme to replace original low pressure liquid braking scheme, makes the energy management system control of hydrogen fuel cell commodity circulation car is more simple reasonable to the stability and the reliability of whole car braking have further been improved.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydrogen fuel cell commodity circulation car energy auxiliary structure which characterized in that: including brake air compression motor controller, brake air compression motor and gas holder, brake air compression motor controller electric connection brake air compression motor, brake air compression motor controller includes control panel and power board, the control panel with the mode that the power board adopted the contact pin is connected, be equipped with IGBT power component on the power board, IGBT power component with adopt flexible copper bar to connect between the brake air compression motor, brake air compression motor connects the gas holder, be equipped with multi-way valve and mechanical relief valve on the gas holder, the multi-way valve is connected the air brake system of hydrogen fuel cell commodity circulation car, the gas holder is used for the storage compressed air, the multi-way valve is used for control compressed air output, mechanical relief valve is used for the pressure release of gas holder.
2. A hydrogen fuel cell-powered vehicle power assist structure as claimed in claim 1, wherein: the power board electric connection high voltage distribution box PDU, the high voltage output end electric connection of high voltage distribution box PDU the input of IGBT power component.
3. A hydrogen fuel cell-powered vehicle power assist structure as claimed in claim 2, wherein: and the three-phase output end of the IGBT power element is connected with the three-phase input end of the brake air compression motor through the flexible copper bar in a high-voltage manner.
4. A hydrogen fuel cell-powered vehicle power assist structure as claimed in claim 3, wherein: the high-voltage distribution box PDU is respectively connected with a hydrogen fuel cell system and a power battery system, the hydrogen fuel cell system is used for supplying power to the hydrogen fuel cell logistics vehicle, and the high-voltage distribution box PDU is used for distributing power and ensuring the conduction of a charging loop and a discharging loop of the power battery system.
5. A hydrogen fuel cell-powered vehicle power assist structure as claimed in claim 1, wherein: and an intercooler and a drying cylinder are arranged on a connecting pipeline between the brake air compression motor and the air storage tank.
6. The power assist structure of a hydrogen fuel cell flow vehicle according to claim 5, wherein: an air pressure sensor is arranged in the air storage tank and electrically connected with the brake air compression motor controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921796179.0U CN211416972U (en) | 2019-10-23 | 2019-10-23 | Energy auxiliary structure of hydrogen fuel cell logistics vehicle |
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| CN201921796179.0U CN211416972U (en) | 2019-10-23 | 2019-10-23 | Energy auxiliary structure of hydrogen fuel cell logistics vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843526A (en) * | 2019-10-23 | 2020-02-28 | 武汉地质资源环境工业技术研究院有限公司 | Energy auxiliary structure of hydrogen fuel cell logistics vehicle and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843526A (en) * | 2019-10-23 | 2020-02-28 | 武汉地质资源环境工业技术研究院有限公司 | Energy auxiliary structure of hydrogen fuel cell logistics vehicle and control method thereof |
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