CN107968213A - Hydrogen supply control device - Google Patents
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- CN107968213A CN107968213A CN201711227793.0A CN201711227793A CN107968213A CN 107968213 A CN107968213 A CN 107968213A CN 201711227793 A CN201711227793 A CN 201711227793A CN 107968213 A CN107968213 A CN 107968213A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000001257 hydrogen Substances 0.000 title claims abstract description 143
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 143
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000005984 hydrogenation reaction Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 abstract description 19
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04104—Regulation of differential pressures
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种供氢技术，尤其是涉及一种供氢控制装置。The invention relates to a hydrogen supply technology, in particular to a hydrogen supply control device.
背景技术Background technique
燃料电池是一种电化学反应装置，直接将化学能转换为电能。根据电解质的不同，可以分为质子交换膜燃料电池，碱性燃料电池，磷酸型燃料电池，熔融碳酸盐燃料电池和固体氧化物燃料电池。质子交换膜燃料电池工作温度低，电流密度大，响应速度快，性能稳定。而且反应生成物只有水，不存在腐蚀性。因此，质子交换膜燃料电池在车辆交通和备用电源等领域具有广阔的市场前景。A fuel cell is an electrochemical reaction device that directly converts chemical energy into electrical energy. According to different electrolytes, it can be divided into proton exchange membrane fuel cells, alkaline fuel cells, phosphoric acid fuel cells, molten carbonate fuel cells and solid oxide fuel cells. Proton exchange membrane fuel cells have low operating temperature, high current density, fast response and stable performance. Moreover, the reaction product is only water, which is non-corrosive. Therefore, proton exchange membrane fuel cells have broad market prospects in the fields of vehicle transportation and backup power.
目前车用燃料电池供氢系统大多采用35MPa或70MPa高压气态储氢，再经二级或多级减压至合适的压力范围供给电堆。供氢系统在燃料电池工作过程中需要为电堆提供足够流量和压力的燃料，并实时监测氢气的剩余量，为了安全考虑，还需实时监测环境中氢气的泄露量，氢瓶温度，氢瓶压力等，在出现紧急情况时采取必要措施保证系统安全。At present, most of the fuel cell hydrogen supply systems for vehicles use 35MPa or 70MPa high-pressure gaseous hydrogen storage, and then supply the stack through two or more stages of decompression to a suitable pressure range. During the working process of the fuel cell, the hydrogen supply system needs to provide fuel with sufficient flow and pressure for the stack, and monitor the remaining amount of hydrogen in real time. For safety reasons, it is also necessary to monitor the leakage of hydrogen in the environment, the temperature of the hydrogen bottle, and the temperature of the hydrogen bottle in real time. Pressure, etc., and take necessary measures to ensure system safety in case of emergency.
供氢系统在轿车或者客车上集成布置的位置与燃料电池控制器存在一定的距离，而瓶阀、传感器等需要供电并回传信号给控制器，若供氢系统零部件采用分立电气连接方式受控制器驱动，无疑增加了电气连接数量和复杂度，遗留大量故障点，且增加了燃料电池控制器负担。同时，基于高压储氢的特点，即使在停机状态下，由于车载环境下的振动，温度变化，可能造成供氢管路的泄漏等危险情况。因此需要在停机过程中需要进行安全检测。There is a certain distance between the integrated layout of the hydrogen supply system on the car or bus and the fuel cell controller, while bottle valves, sensors, etc. need to supply power and send back signals to the controller. The controller drive undoubtedly increases the number and complexity of electrical connections, leaving a large number of fault points and increasing the burden on the fuel cell controller. At the same time, based on the characteristics of high-pressure hydrogen storage, even in the shutdown state, due to the vibration and temperature changes in the vehicle environment, it may cause dangerous situations such as leakage of the hydrogen supply pipeline. Therefore, it is necessary to carry out safety detection during the shutdown process.
发明内容Contents of the invention
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种供氢控制装置。The object of the present invention is to provide a hydrogen supply control device in order to overcome the above-mentioned defects in the prior art.
本发明的目的可以通过以下技术方案来实现：The purpose of the present invention can be achieved through the following technical solutions:
一种供氢控制装置，包括：A hydrogen supply control device, comprising:
处理器；processor;
电源模块，与处理器连接；A power module connected to the processor;
模拟信号处理器，与处理器连接，用于接收氢瓶温度和压力状态、供氢管路的中压段和高压段的压力值、供氢系统舱室中氢气浓度；An analog signal processor, connected to the processor, used to receive the temperature and pressure status of the hydrogen cylinder, the pressure values of the medium-pressure section and high-pressure section of the hydrogen supply pipeline, and the hydrogen concentration in the hydrogen supply system cabin;
车载总线通讯模块，与处理器连接，用于数据收发；The on-board bus communication module is connected with the processor for data sending and receiving;
低边开关驱动器，与处理器连接，用于控制氢瓶瓶阀以及供氢管路电磁阀。The low-side switch driver is connected with the processor and is used to control the valve of the hydrogen bottle and the solenoid valve of the hydrogen supply pipeline.
所述供氢控制装置还包括第一压力传感器和温度传感器，所述第一压力传感器和温度传感器均与氢瓶连接；The hydrogen supply control device also includes a first pressure sensor and a temperature sensor, both of which are connected to the hydrogen bottle;
所述温度传感器和第一压力传感器分别测得氢瓶的温度、压力状态，发送至模拟信号处理器，所述处理器将数据通过车载总线通讯模块对外发送。The temperature sensor and the first pressure sensor respectively measure the temperature and pressure state of the hydrogen bottle, and send it to the analog signal processor, and the processor sends the data to the outside through the vehicle bus communication module.
所述氢瓶上设有放空口，所述氢瓶和放空口之间设有易熔栓。A vent is provided on the hydrogen bottle, and a fusible plug is provided between the hydrogen bottle and the vent.
所述易熔栓和放空口之间设有阻火器。A flame arrester is provided between the fusible plug and the vent.
所述供氢控制装置还包括第二压力传感器和第三压力传感器，所述第二压力传感器与供氢管路的中压段连接，所述第三压力传感器与供氢管路的高压段连接；The hydrogen supply control device also includes a second pressure sensor and a third pressure sensor, the second pressure sensor is connected to the medium pressure section of the hydrogen supply pipeline, and the third pressure sensor is connected to the high pressure section of the hydrogen supply pipeline ;
所述第二压力传感器和第三压力传感器将测得的供氢管路的中压段和高压段的压力值发送至模拟信号处理器，所述处理器在中压段压力值超过第二设定阈值、或高圧段压力值超过第三设定阈值时，通过低边开关驱动器关闭氢瓶瓶阀和供氢管路电磁阀，并将中压段和高压段的压力值通过车载总线通讯模块对外发送。The second pressure sensor and the third pressure sensor send the measured pressure values of the medium-pressure section and the high-pressure section of the hydrogen supply pipeline to the analog signal processor, and when the pressure value of the medium-pressure section exceeds the second setting When the fixed threshold value or the pressure value of the high pressure section exceeds the third set threshold value, the hydrogen bottle valve and the hydrogen supply pipeline solenoid valve are closed through the low-side switch driver, and the pressure values of the medium pressure section and the high pressure section are passed through the on-board bus communication module Send externally.
所述供氢管路的中压段和高压段之间设有减压阀。A pressure relief valve is provided between the medium-pressure section and the high-pressure section of the hydrogen supply pipeline.
所述供氢控制装置还包括分布于供氢系统各舱室中的氢气浓度传感器，所述氢气浓度传感器与模拟信号处理器连接，用于采集对应舱室的氢气浓度，发送至模拟信号处理器，所述处理器在氢气浓度超过设定值时通过低边开关驱动器关闭氢瓶瓶阀。The hydrogen supply control device also includes a hydrogen concentration sensor distributed in each compartment of the hydrogen supply system, the hydrogen concentration sensor is connected to the analog signal processor for collecting the hydrogen concentration of the corresponding compartment and sending it to the analog signal processor, so The processor closes the valve of the hydrogen bottle through the low-side switch driver when the hydrogen concentration exceeds the set value.
所述供氢控制装置还包括红外通信器，该红外通信器与处理器连接，用于与加氢站进行红外通信，上报加氢状态。The hydrogen supply control device also includes an infrared communicator connected to the processor for infrared communication with the hydrogen refueling station and reporting the hydrogen refueling status.
所述车载总线通讯模块采用CAN、Lin或FlexRay车载总线通讯方式。The vehicle-mounted bus communication module adopts CAN, Lin or FlexRay vehicle-mounted bus communication mode.
与现有技术相比，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1)实现了车载供氢系统的独立集中管理控制，供氢控制器承担车载供氢系统控制任务，只需通过总线通信向燃料电池控制器传输状态信息，接收控制指令。1) The independent centralized management and control of the on-board hydrogen supply system is realized. The hydrogen supply controller undertakes the control task of the on-board hydrogen supply system, and only needs to transmit status information to the fuel cell controller through bus communication and receive control instructions.
2)减少了系统间线缆连接，降低了信号传输过程中丢失和易受干扰的风险。2) The cable connection between systems is reduced, reducing the risk of signal loss and interference during signal transmission.
3)对供氢系统独立进行故障诊断工作，而不需要燃料电池控制器时刻保持在线控制。3) Fault diagnosis of the hydrogen supply system is performed independently, without the need for the fuel cell controller to maintain online control at all times.
4)车辆停机情况下能定时自检，提高了储氢系统的安全性和可靠性。4) When the vehicle is stopped, it can perform regular self-inspection, which improves the safety and reliability of the hydrogen storage system.
5)加氢过程中通过加氢口与加氢站保持通讯，提高了加氢的可靠性。。5) During the hydrogenation process, communication with the hydrogenation station is maintained through the hydrogenation port, which improves the reliability of hydrogenation. .
附图说明Description of drawings
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明与供氢系统的合并示意图；Fig. 2 is the combined schematic diagram of the present invention and hydrogen supply system;
图3为车载供氢系统控制器的控制流程图；Fig. 3 is the control flowchart of the vehicle-mounted hydrogen supply system controller;
其中：1、处理器，2、电源模块，3、模拟信号处理器，4、车载总线通讯模块，5、低边开关驱动器，6、红外通信器，7、控制器，8、燃料电池，101、氢瓶，102、放空口，103、易熔栓，104、阻火器，105、氢瓶瓶阀，201、第二压力传感器，202、减压阀，203、手动针阀，204、溢流阀，205、单向阀，206、过滤器，207、氢气加注口，208、供氢管路电磁阀、301、氢气浓度及传感器。Among them: 1. Processor, 2. Power module, 3. Analog signal processor, 4. Vehicle bus communication module, 5. Low-side switch driver, 6. Infrared communicator, 7. Controller, 8. Fuel cell, 101 , hydrogen bottle, 102, vent, 103, fusible plug, 104, flame arrester, 105, hydrogen bottle valve, 201, second pressure sensor, 202, pressure reducing valve, 203, manual needle valve, 204, overflow Valve, 205, one-way valve, 206, filter, 207, hydrogen filling port, 208, hydrogen supply pipeline solenoid valve, 301, hydrogen concentration and sensor.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明进行详细说明。本实施例以本发明技术方案为前提进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
一种供氢控制装置，如图1所示，包括：A hydrogen supply control device, as shown in Figure 1, comprising:
处理器1；Processor 1;
电源模块2，与处理器1连接；The power supply module 2 is connected with the processor 1;
模拟信号处理器3，与处理器1连接，用于接收氢瓶温度和压力状态、供氢管路的中压段和高压段的压力值、供氢系统舱室中氢气浓度；The analog signal processor 3 is connected with the processor 1, and is used to receive the temperature and pressure state of the hydrogen bottle, the pressure values of the medium-pressure section and the high-pressure section of the hydrogen supply pipeline, and the hydrogen concentration in the hydrogen supply system cabin;
车载总线通讯模块4，与处理器1连接，用于和燃料电池控制器之间的数据收发，可采用CAN、Lin或FlexRay等车载总线通讯方式；Vehicle-mounted bus communication module 4, connected with processor 1, used for data transmission and reception between the fuel cell controller, can adopt CAN, Lin or FlexRay and other vehicle-mounted bus communication methods;
低边开关驱动器5，与处理器1连接，用于控制氢瓶瓶阀105以及供氢管路电磁阀208。The low-side switch driver 5 is connected with the processor 1 and is used to control the hydrogen bottle valve 105 and the hydrogen supply pipeline solenoid valve 208 .
如图2所示，供氢控制装置还包括第一压力传感器P和温度传感器T，第一压力传感器P和温度传感器T均与氢瓶101连接；As shown in Figure 2, the hydrogen supply control device also includes a first pressure sensor P and a temperature sensor T, both of which are connected to the hydrogen bottle 101;
温度传感器T和第一压力传感器P分别测得氢瓶101的温度、压力状态，发送至模拟信号处理器3，处理器1将数据通过车载总线通讯模块4对外发送。The temperature sensor T and the first pressure sensor P respectively measure the temperature and pressure of the hydrogen bottle 101 and send them to the analog signal processor 3 , and the processor 1 sends the data to the outside through the vehicle bus communication module 4 .
氢瓶101上设有放空口102，氢瓶101和放空口102之间设有易熔栓103。A vent 102 is provided on the hydrogen bottle 101 , and a fusible plug 103 is provided between the hydrogen bottle 101 and the vent 102 .
易熔栓103和放空口102之间设有阻火器104。A flame arrester 104 is provided between the fusible plug 103 and the vent 102 .
供氢控制装置还包括第二压力传感器201和第三压力传感器，第二压力传感器201与供氢管路的中压段连接，第三压力传感器与供氢管路的高压段连接，其中的第三压力传感器可以和第一压力传感器是同一个传感器；第二压力传感器201和第三压力传感器将测得的供氢管路的中压段和高压段的压力值发送至模拟信号处理器3，处理器1在中压段压力值超过第二设定阈值、或高圧段压力值超过第三设定阈值时，通过低边开关驱动器5关闭氢瓶瓶阀105和供氢管路电磁阀208，并将中压段和高压段的压力值通过车载总线通讯模块4对外发送。The hydrogen supply control device also includes a second pressure sensor 201 and a third pressure sensor. The second pressure sensor 201 is connected to the medium pressure section of the hydrogen supply pipeline, and the third pressure sensor is connected to the high pressure section of the hydrogen supply pipeline. The three pressure sensors can be the same sensor as the first pressure sensor; the second pressure sensor 201 and the third pressure sensor send the measured pressure values of the medium pressure section and the high pressure section of the hydrogen supply pipeline to the analog signal processor 3, Processor 1 closes the hydrogen bottle bottle valve 105 and the hydrogen supply pipeline solenoid valve 208 through the low side switch driver 5 when the pressure value of the middle pressure section exceeds the second set threshold value, or the high pressure section pressure value exceeds the third set threshold value, And the pressure values of the medium-pressure section and the high-pressure section are sent to the outside through the vehicle-mounted bus communication module 4 .
供氢管路的中压段和高压段之间设有减压阀202，其中供氢管路电磁阀208设于沿氢气流动方向上减压阀202之后。A decompression valve 202 is provided between the medium-pressure section and the high-pressure section of the hydrogen supply pipeline, wherein the solenoid valve 208 of the hydrogen supply pipeline is arranged after the decompression valve 202 along the hydrogen flow direction.
供氢控制装置还包括分布于供氢系统各舱室中的氢气浓度传感器301，氢气浓度传感器301与模拟信号处理器3连接，用于采集对应舱室的氢气浓度，发送至模拟信号处理器3，处理器1在氢气浓度超过设定值时通过低边开关驱动器5关闭氢瓶瓶阀105。The hydrogen supply control device also includes a hydrogen concentration sensor 301 distributed in each compartment of the hydrogen supply system. The hydrogen concentration sensor 301 is connected to the analog signal processor 3 for collecting the hydrogen concentration in the corresponding compartment and sending it to the analog signal processor 3 for processing. The device 1 closes the hydrogen bottle valve 105 through the low-side switch driver 5 when the hydrogen concentration exceeds the set value.
供氢控制装置还包括红外通信器6，该红外通信器6与处理器1连接，用于与加氢站进行红外通信，上报加氢状态，加氢口通讯可满足SAE-J2799，通过加氢口红外通讯与加氢站通讯，上报供氢系统氢瓶状态。The hydrogen supply control device also includes an infrared communicator 6, which is connected to the processor 1 and used for infrared communication with the hydrogen refueling station to report the hydrogen refueling status. The communication of the hydrogen refueling port can meet SAE-J2799. Infrared communication and hydrogen refueling station communication, report the hydrogen bottle status of the hydrogen supply system.
此外，本申请供氢控制装置还包括停机自检模块，可在停机情况下进入休眠状态，并定时唤醒，检查储氢系统的氢气浓度、压力、温度是否异常，出现危险情况时发出警报，并主动泄压。主要通过在停机状态下处理器定时唤醒，并进行供氢系统的储氢状态检测，包括氢瓶温度和压力检测，舱室氢气浓度检测，当发现储氢瓶异常，异或舱室氢气浓度过高，则进入供氢系统故障状态，故障排除方能进行下一次系统开启。In addition, the hydrogen supply control device of the present application also includes a shutdown self-checking module, which can enter a dormant state when the shutdown occurs, and wake up regularly to check whether the hydrogen concentration, pressure, and temperature of the hydrogen storage system are abnormal, and send an alarm when a dangerous situation occurs. Active pressure relief. Mainly through the regular wake-up of the processor in the shutdown state, and the detection of the hydrogen storage status of the hydrogen supply system, including the detection of the temperature and pressure of the hydrogen bottle, and the detection of the hydrogen concentration in the cabin. When the hydrogen storage bottle is found to be abnormal, or the hydrogen concentration in the cabin is too high, Then it enters the hydrogen supply system fault state, and the next system can be started only after the fault is eliminated.
参照图3，本申请的具体运行状态包括：故障模式、待机模式、自动模式。Referring to FIG. 3 , the specific operating states of the present application include: failure mode, standby mode, and automatic mode.
本车载供氢系统控制器的故障模式，主要是在模拟信号处理器3检测到的传感器信号异常时，系统则会进入故障模式，同时在低边开关驱动器5反馈回的电磁阀异常状态时，系统也将进入故障模式。The failure mode of the vehicle-mounted hydrogen supply system controller is mainly that when the sensor signal detected by the analog signal processor 3 is abnormal, the system will enter the failure mode, and at the same time, when the solenoid valve fed back by the low-side switch driver 5 is in an abnormal state, The system will also go into failure mode.
待机模式，当控制器7上电并自检通过的时候，即进入待机模式，待机模式下，收到燃料电池控制器的供氢指令时，进入自动模式，定时自检，当检测到系统故障时，进入故障模式。在整车停机的时候，定时自动唤醒进入待机模式，进行故障诊断，出现危险情况时发出警报，并在允许的情况下主动泄压。Standby mode, when the controller 7 is powered on and passes the self-test, it enters the standby mode. In the standby mode, when it receives a hydrogen supply command from the fuel cell controller, it enters the automatic mode and performs regular self-test. When a system failure is detected , enter into failure mode. When the whole vehicle is stopped, it will wake up automatically at regular intervals to enter the standby mode, perform fault diagnosis, send an alarm when a dangerous situation occurs, and actively release the pressure when allowed.
自动模式下，当进入此模式时，持续检测传感器传回数值，打开氢瓶瓶阀105和供氢管路电磁阀208，保障系统供氢。In the automatic mode, when entering this mode, the sensor will continuously detect the value returned, and open the hydrogen bottle valve 105 and the hydrogen supply pipeline solenoid valve 208 to ensure the hydrogen supply of the system.
Claims (9)
- A kind of 1. hydrogen supply control device, it is characterised in that including：Processor (1)；Power module (2), is connected with processor (1)；Analogue signal processor (3), is connected with processor (1), for receiving in hydrogen bottle temperature and pressure state, hydrogen supply pipeline Density of hydrogen in pressure section and the pressure value of high pressure section, hydrogen-feeding system cabin；Vehicle bus communication module (4), is connected with processor (1), for data transmit-receive；Lower edge switch driver (5), is connected with processor (1), for controlling hydrogen bottle cylinder valve (105) and hydrogen supply pipeline electromagnetic valve (208)。
- 2. a kind of hydrogen supply control device according to claim 1, it is characterised in that the hydrogen supply control device further includes One pressure sensor (P) and temperature sensor (T), the first pressure sensor (P) and temperature sensor (T) with hydrogen bottle (101) connect；The temperature sensor (T) and first pressure sensor (P) measure the temperature of hydrogen bottle (101), pressure state respectively, send To analogue signal processor (3), the processor (1) externally sends data by vehicle bus communication module (4).
- 3. a kind of hydrogen supply control device according to claim 2, it is characterised in that the hydrogen bottle (101) is equipped with emptying Mouth (102), is equipped with fusible plug (103) between the hydrogen bottle (101) and drain (102).
- 4. a kind of hydrogen supply control device according to claim 3, it is characterised in that the fusible plug (103) and drain (102) spark arrester (104) is equipped between.
- 5. a kind of hydrogen supply control device according to claim 1, it is characterised in that the hydrogen supply control device further includes Two pressure sensors (201) and the 3rd pressure sensor, the second pressure sensor (201) and the intermediate pressure section of hydrogen supply pipeline connect Connect, the 3rd pressure sensor is connected with the high pressure section of hydrogen supply pipeline；The second pressure sensor (201) and the 3rd pressure sensor are by the intermediate pressure section of the hydrogen supply pipeline measured and high pressure section Pressure value is sent to analogue signal processor (3), the processor (1) intermediate pressure section pressure value more than the second given threshold or When high pressure section pressure value is more than three given thresholds, hydrogen bottle cylinder valve (105) and hydrogen supplying tube are closed by lower edge switch driver (5) Way solenoid valve (208), and the pressure value of intermediate pressure section and high pressure section is externally sent by vehicle bus communication module (4).
- A kind of 6. hydrogen supply control device according to claim 1 or 5, it is characterised in that the intermediate pressure section of the hydrogen supply pipeline Pressure reducing valve is equipped between high pressure section.
- 7. a kind of hydrogen supply control device according to claim 1, it is characterised in that the hydrogen supply control device further includes point At the hydrogen gas concentration sensor (301) being distributed in each cabin of hydrogen-feeding system, the hydrogen gas concentration sensor (301) and analog signal Device (3) connection is managed, for gathering the density of hydrogen to emergency chamber, is sent to analogue signal processor (3), the processor (1) Hydrogen bottle cylinder valve (105) is closed by lower edge switch driver (5) when density of hydrogen exceedes setting value.
- 8. a kind of hydrogen supply control device according to claim 7, it is characterised in that the hydrogen supply control device further includes red Outer communicator (6), the infrared communication device (6) are connected with processor (1), for carrying out infrared communication with hydrogenation stations, report hydrogenation State.
- A kind of 9. hydrogen supply control device according to claim 1, it is characterised in that the vehicle bus communication module (4) Using CAN, Lin or FlexRay vehicle bus communication modes.
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