CN109799457A - A kind of fuel cell water management monitoring system and its working method - Google Patents
A kind of fuel cell water management monitoring system and its working method Download PDFInfo
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- CN109799457A CN109799457A CN201811630248.0A CN201811630248A CN109799457A CN 109799457 A CN109799457 A CN 109799457A CN 201811630248 A CN201811630248 A CN 201811630248A CN 109799457 A CN109799457 A CN 109799457A
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Abstract
The invention discloses a kind of fuel cell water managements to monitor system, it include: hydrogen branch, air passage, nitrogen branch, fuel cell module, data acquisition and processing module, and residual heat waste water recycling module, wherein, it include fuel cell and the ac impedance measurement instrument for measuring fuel battery inside water in the fuel cell module, the residual heat waste water recycling module includes the gas-liquid separation device being connected with fuel cell, and the residual heat waste water recycling water route being connect with gas-liquid separation device, waste water in residual heat waste water recycling water route can be used as gas humidification.The invention also discloses the working methods of above-mentioned monitoring system.Fuel cell water management monitoring system of the invention and its working method can monitor fuel battery inside water to prevent to exclude fuel cell and generate water logging or dehydration failure, the waste water with waste heat that can be adjusted in real time with working environment needed for fuel cell experimental bench simultaneously, and fuel cell reaction area is made full use of to be discharged.
Description
Technical field
The invention belongs to fuel cell test fields, and in particular to a kind of fuel cell water management monitoring system and its work
Method.
Background technique
With the development and application of human sciences' technology, current energy saving and environmental protection has become human society can
The core of sustainable development strategy is to influence countries in the world today energy decision making to fasten factor with what science and technology was oriented to.Meanwhile it is also
Promote the enormous motivation of energy science and technology development, the huge energy resource system set up in 20th century can not adapt to future society to height
Effect, cleaning, the requirement of economic, safety energy system, energy development are faced with huge challenge.
Fuel cell is a kind of to be converted into the chemical energy being stored in fuel and oxidant by electrochemical reaction
The power generator of electric energy.Fuel cell and being a difference in that for general power generator directly will be stored in combustion by electrochemical reaction
Chemical energy in material and oxidant is directly translated into electric energy, and energy transformation ratio is high, no pollution to the environment, before having wide development
Scape.
Fuel cell can be ideal all solid state mechanical structure, i.e., without moveable component, such system has
High reliability and long-life.And water is generated when fuel cell is using hydrogen and oxygen as fuel, does not pollute, environment is compared
It is friendly.
According to the difference of electrolyte, fuel cell can be divided into phosphate fuel cell, Proton Exchange Membrane Fuel Cells, alkalinity
Five major class of fuel cell, molten carbonate fuel cell and solid oxide fuel cell, especially pem fuel electricity
Pond can be in low-temperature working, and power density with higher, generating efficiency can reach 60% or so, and emission only has water,
There are no pollution to the environment, is widely used in the fields such as traffic, military affairs, communication.
The product being discharged when in the existing test macro to fuel battery performance test not to fuel cell reaction
It is used, especially with the waste water of waste heat, to cause the waste of the energy, does not meet current energy saving and environmental protection
Core subject.
Therefore, fuel battery performance test is also needed further to study, in the water for finding and adjusting fuel cell in time
While equilibrium problem, also the product of fuel cell discharge is recycled, then needs to propose more feasible scheme.
Summary of the invention
The purpose of the present invention is to provide a kind of fuel cell water management monitoring system and its working methods, to send out in time
While now and adjusting the water balance problem of fuel cell, moreover it is possible to the waste water that generated band has surplus heat when to operation of fuel cells
It is recycled.
For this purpose, the present invention provides a kind of fuel cell water managements to monitor system, comprising: hydrogen branch, air passage, nitrogen
Gas branch, fuel cell module, data acquisition and processing module and residual heat waste water recycling module；Wherein,
In the fuel cell module comprising fuel cell, temperature sensor, humidity sensor, pressure sensor and
For measuring the ac impedance measurement instrument of the fuel battery inside water；
The hydrogen branch is connected to the anode of fuel cell, including set gradually hydrogen cylinder, for gas control valve one, subtract
Pressure valve one, filter one, temperature control equipment one, pressure-generating device one, measuring device one, spinner flowmeter one and survey
Measure device two, wherein dry gas circuit one and humidification gas circuit have been arranged in parallel between the spinner flowmeter one and measuring device two
One, dry gas route control valve one is equipped in the dry gas circuit one, equipped with moisture route control valve one in the humidification gas circuit one
With humidifier one；
The air passage is connected to the cathode of fuel cell, including set gradually air pump, for gas control valve two, subtract
Pressure valve two, filter two, temperature control equipment two, pressure-generating device two, measuring device three, spinner flowmeter two and survey
Measure device four, wherein dry gas circuit two and humidification gas circuit have been arranged in parallel between the spinner flowmeter two and measuring device four
Two, dry gas route control valve two is equipped in the dry gas circuit two, equipped with moisture route control valve two in the humidification gas circuit two
With humidifier two；
The nitrogen branch includes the nitrogen cylinder set gradually, for gas control valve three, pressure reducing valve three, filter one, temperature
Control device one, pressure-generating device one, measuring device one, spinner flowmeter one, dry gas route control valve one and measurement dress
Set two, wherein the hydrogen cylinder of the nitrogen cylinder and the hydrogen branch is connected in parallel on the filter one；
The residual heat waste water recycling module includes the gas-liquid separation that residual heat waste water recycles water route and is connected with fuel cell
Device, wherein residual heat waste water recycling water route is connected to the discharge outlet of the gas-liquid separation device, the residual heat waste water recycling
Water route includes hot water branch, cold water branch and the connection water route being connected to the humidifier one and humidifier two, the hot water
Before branch and cold water branch circuit parallel connection are connected to the connection water route, temperature control water pump one, the cold water are equipped in the hot water branch
It is equipped with concatenated condensation water tank and temperature control water pump two in branch, temperature control equipment three is equipped in the connection water route and temperature passes
Sensor one；
Data acquisition and processing module be separately connected the fuel cell module, for gas control valve one, pressure reducing valve one,
Temperature control equipment one, pressure-generating device one, measuring device one, spinner flowmeter one, measuring device two, the control of dry gas route
Valve one, moisture route control valve one, for gas control valve two, pressure reducing valve two, temperature control equipment two, pressure-generating device two, survey
Measure device three, spinner flowmeter two, measuring device four, dry gas route control valve two, moisture route control valve two, for gas control valve
Three, pressure reducing valve three, temperature control water pump one, temperature control water pump two, temperature control equipment three and temperature sensor one.
Further, the residual heat waste water recycling module further includes that the water being arranged in residual heat waste water recycling water route is collected
Device, the water collector are connected to gas-liquid separation device, and the temperature control water pump one is connected on water collector, the condensation water tank
Be connected to water collector, the temperature control water pump two, condensation water tank and temperature control water pump join together be connected to temperature control equipment three before.
Further, above-mentioned monitoring system further includes the gas concentration unit connecting with the gas-liquid separation device.
Further, deionization filter is additionally provided in the connection water route, the waste water in residual heat waste water recycling water route exists
It is filtered before being sent into humidifier one and humidifier two by the deionization filter.
Further, the measuring device one is used to measure the temperature, humidity and pressure of hydrogen, and the measuring device two is used
In flow, temperature, humidity and the pressure of measurement hydrogen, the measuring device three is used to measure the temperature, humidity and pressure of air,
The measuring device four is used to measure flow, temperature, humidity and the pressure of air.
Further, the fuel cell is Proton Exchange Membrane Fuel Cells.
The present invention also provides a kind of aforementioned working methods of fuel cell water management monitoring system, include the following steps:
Hydrogen, the air provided by hydrogen cylinder and air pump passes through respective air inlet branch road progress pressure adjustment, flow control
After system, temperature control and humid control, the anode and cathode reaction of fuel cell is respectively enterd, hydrogen and air enter fuel electricity
After pond is sufficiently reacted, aqueous vapor separation is carried out in gas-liquid separation device to the mixed gas of discharge；
By data acquisition and processing module is acquired to experimental data and subsequent processing；
In the fuel cell module course of work, the ac impedance measurement instrument connection data acquisition and processing module are handed over
Flow impedance tester can detect the water position status of fuel battery inside, and be transferred to data acquisition and processing module, the data adopt
Collection and processing module judges whether fuel cell is in water logging or is dehydrated shape by comparing actual value and two preset water level values
State；
Data acquisition and processing module are controlled whether to be removed water and be humidified according to the judging result of aforementioned water position status；
When generating water logging, data acquisition and processing module open nitrogen branch, and the dry nitrogen of purging is taken to exclude fuel cell reaction area
Residual gas and extra ponding, to reduce fuel battery inside water level；When generating dehydration, data acquisition and processing module are logical
The temperature control water pump one and temperature control water pump two in control residual heat waste water recycling water route are crossed, accelerates controllable temperature water to humidifier one and adds
The supply of wet device two increases the humidity of the hydrogen and air in input fuel cell, to increase fuel battery inside water content.
As a kind of preferred means, the water level shape of water level detecting, water position status judgement and data acquisition and processing module
State control is synchronous to be carried out.
The beneficial effects of the present invention are:
Of the invention fuel cell water management monitoring system and its working method can monitor fuel battery inside water with
Prevention excludes fuel cell and generates water logging or dehydration failure, while can be carried out with working environment needed for fuel cell experimental bench
It adjusts in real time, and the waste water with waste heat for making full use of fuel cell reaction area to be discharged.It can be found in time using the present invention
And the water balance problem for adjusting fuel cell extends fuel cell to improve fuel cell efficiency to a certain extent
Service life, and keep fuel cell experimental bench test run more safe and reliable.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is overall plan flow chart of the invention.
Description of symbols
1, hydrogen cylinder；2, for gas control valve one；
3, pressure reducing valve one；4, filter one；
5, temperature control equipment one；6, pressure-generating device one；
7, measuring device one；8, spinner flowmeter one；
9, measuring device two；10, dry gas route control valve one；
11, moisture route control valve one；12, humidifier one；
13, air pump；14, for gas control valve two；
15, pressure reducing valve two；16, filter two；
17, temperature control equipment two；18, pressure-generating device two；
19, measuring device three；20, spinner flowmeter two；
21, measuring device four；22, dry gas route control valve two；
23, moisture route control valve two；24, humidifier two；
25, nitrogen cylinder；26, for gas control valve three；
27, pressure reducing valve three；100, fuel cell module；
110, ac impedance measurement instrument；200, data acquisition and processing module；
300, residual heat waste water recycling module；310, residual heat waste water recycles water route；
311, water collector；312, temperature control water pump one；
313, temperature control equipment three；314, temperature sensor one；
315, deionization filter；316, Water flow control valve one；
317, Water flow control valve two；320, gas-liquid separation device；
330, condensation water tank；331, temperature control water pump two；
400, gas concentration unit.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of fuel cell water management of the invention monitors system, it mainly include hydrogen branch, air branch
Road, nitrogen branch, fuel cell module 100, data acquisition and processing module 200 and residual heat waste water recycling module 300.
In the fuel cell module 100 comprising fuel cell, temperature sensor, humidity sensor, pressure sensor, with
And the water level monitoring device for measuring the fuel battery inside water, the water level monitoring device are specially that AC impedance is surveyed
Try instrument 110.
The hydrogen branch is connected to the anode of fuel cell, and the hydrogen branch includes the hydrogen cylinder 1 set gradually, supplies
Gas control valve 1, pressure reducing valve 1, filter 1, temperature control equipment 1, pressure-generating device 1, measuring device 1,
Spinner flowmeter 1 and measuring device 29, wherein be arranged in parallel between the spinner flowmeter 1 and measuring device 29
There are dry gas circuit one and humidification gas circuit one, is equipped with dry gas route control valve 1, the humidification gas circuit in the dry gas circuit one
Moisture route control valve 1 and humidifier 1 are equipped in one, the humidifier 1 is humidified for hydrogen.
The air passage is connected to the cathode of fuel cell, the air passage include the air pump 13 set gradually,
For gas control valve 2 14, pressure reducing valve 2 15, filter 2 16, temperature control equipment 2 17, pressure-generating device 2 18, measurement dress
Set 3 19, spinner flowmeter 2 20 and measuring device 4 21, wherein the spinner flowmeter 2 20 and measuring device 4 21
Between be arranged in parallel dry gas circuit two and humidification gas circuit two, be equipped with dry gas route control valve 2 22 in the dry gas circuit two,
Moisture route control valve 2 23 and humidifier 2 24 are equipped in the humidification gas circuit two, the humidifier 2 24 is used for air (oxygen
Gas) humidification.
The nitrogen branch includes the nitrogen cylinder 25 set gradually, for gas control valve 3 26, pressure reducing valve 3 27, filter one
4, temperature control equipment 1, pressure-generating device 1, measuring device 1, spinner flowmeter 1, dry gas route control valve one
10 and measuring device 29, wherein the hydrogen cylinder 1 of the nitrogen cylinder 25 and the hydrogen branch is connected in the filtering in parallel
On device 1, i.e., the described nitrogen cylinder 25 shares after the filtering of filter 1 with the gas in hydrogen cylinder 1 is connected to fuel cell
Gas circuit.When nitrogen cylinder 25 purges fuel cell, the moisture route control valve 1 closes humidification gas circuit one, i.e. nitrogen
Gas does not humidify (drying) route according to hydrogen and carries out scavenging processing.
The residual heat waste water recycling module 300 includes the gas that residual heat waste water recycles water route 310 and is connected with fuel cell
Liquid separating apparatus 320, wherein residual heat waste water recycling water route 310 is connected to the discharge outlet of the gas-liquid separation device 320,
Residual heat waste water recycling water route 310 include hot water branch, cold water branch and with the humidifier 1 and humidifier 2 24
Before the connection water route of connection, the hot water branch and cold water branch circuit parallel connection are connected to the connection water route, in the hot water branch
Equipped with temperature control water pump 1, concatenated condensation water tank 330 and temperature control water pump 2 331, the connection are equipped in the cold water branch
Temperature control equipment 3 313 and temperature sensor 1 are equipped in water route, the residual heat waste water recycling module 300 makes fuel
The waste water that generated band has surplus heat when cell reaction can be used as gas humidification.
The connection water route includes main connection water route, first point of water route and second point of water route, the hot water branch, cold
It is connected after water branch circuit parallel connection with main connection water route, the temperature control equipment 3 313 and temperature sensor 1 are located at the master
It connects in water route, first point of water route is for connecting humidifier 1 and main connection water route, and second point of water route is for connecting
Connect humidifier 2 24 and main connection water route.
Data acquisition and processing module 200 be separately connected the fuel cell module 100, for gas control valve 1, subtract
Pressure valve 1, temperature control equipment 1, pressure-generating device 1, measuring device 1, spinner flowmeter 1, measuring device two
9, dry gas route control valve 1, moisture route control valve 1, for gas control valve 2 14, pressure reducing valve 2 15, temperature control dress
Set 2 17, pressure-generating device 2 18, measuring device 3 19, spinner flowmeter 2 20, measuring device 4 21, the control of dry gas route
Valve 2 22, moisture route control valve 2 23, for gas control valve 3 26, pressure reducing valve 3 27, temperature control water pump 1, temperature control water pump two
331, temperature control equipment 3 313 and temperature sensor 1, in order to according to collected parameter information, to each gas circuit
It is controlled with the valve in water route with device.
Specifically, as shown in Figure 1, the residual heat waste water recycling module 300 further includes setting in residual heat waste water recycling water route
Water collector 311 in 310, the water collector 311 are connected to gas-liquid separation device 320, and the temperature control water pump 1 connects
On water collector 311, the condensation water tank 330 is connected to water collector 311, the temperature control water pump 2 331, condensation water tank
Before 330 are connected in temperature control equipment 3 313 in parallel with temperature control water pump 1.
In one embodiment, as shown in Figure 1, fuel cell water management monitoring system of the invention further includes gas recycling dress
400 are set, the gas concentration unit 400 is connect with the exhaust outlet of the gas-liquid separation device 320.
As shown in Figure 1, being additionally provided with deionization filter 315 in the main connection water route, the residual heat waste water recycles water route
Waste water in 310 filters before being sent into humidifier 1 and humidifier 2 24 by the deionization filter 315.
The measuring device 1 in monitoring system of the invention is used to measure the temperature, humidity and pressure of hydrogen, described
Measuring device 29 is used to measure flow, temperature, humidity and the pressure of hydrogen, and the measuring device 3 19 is for measuring air
Temperature, humidity and pressure, the measuring device 4 21 are used to measure flow, temperature, humidity and the pressure of air.
The fuel cell in the present invention is Proton Exchange Membrane Fuel Cells.
In one embodiment, as shown in Figure 1, the waste water in residual heat waste water recycling water route 310 is being sent into humidifier one
12 and whens humidifier 2 24 passes through Water flow control valve 1 respectively and Water flow control valve 2 317 controls wastewater flow.That is institute
It states and is equipped with Water flow control valve 1 in first point of water route, be equipped with Water flow control valve 2 317, institute in second point of water route
Water flow control valve 1 and Water flow control valve 2 317 is stated to connect with data acquisition and processing module 200, so as to
In the humidification amount for controlling humidifier 1 and humidifier 2 24 respectively.
The working principle of fuel cell water management monitoring system of the invention is described as follows:
Hydrogen in hydrogen cylinder 1 removes impurity and steam in hydrogen through filter 1, and carries out pressure adjustment, temperature
It is divided into two-way after control, flow control, is sent into humidification gas circuit all the way and reaches fuel cell after one 12 humidification process of humidifier
Anode, through dry gas circuit one, humidification process is not sent directly into the anode of fuel cell all the way, wherein before entering fuel cell
Pipeline in be additionally provided with measuring device 29, the temperature of hydrogen, humidity, pressure, flow parameter are monitored.
Similarly, the air (oxygen) being sent by air pump 13 removes impurity and steam in air through filter 2 16, and
It is divided into two-way after carrying out pressure adjustment, temperature control, flow control, is sent at humidification humidified 2 24 humidification of device of gas circuit two all the way
The cathode of fuel cell is reached after reason, humidification process is not sent directly into the cathode of fuel cell through dry gas circuit two all the way, wherein
It is additionally provided with measuring device 4 21 in the pipeline before air enters fuel cell, to the temperature of air, humidity, pressure, flow
Parameter is monitored.
Hydrogen and air enter after fuel cell sufficiently reacts, to the mixed gas of discharge (unreacted hydrogen, air,
Vapor etc.) in the progress aqueous vapor separation of gas-liquid separation device 320, exhaust gas enters the progress gas of gas concentration unit 400 and returns receipts,
Waste water with waste heat then enters water collector 311.
Comprising for monitoring fuel cell reaction area gas temperature, humidity, the temperature of pressure in the fuel cell module 100
Spend sensor, humidity sensor, pressure sensor, and the ac impedance measurement instrument for measuring fuel battery inside water
110, and monitoring parameters information is sent to data acquisition and processing module 200.
Data acquisition and processing module 200 are according on the parameters information of hydrogen branch road hydrogen, air passage
The parameters information of air and the parameters of fuel cell reaction area gas carry out the working condition of fuel cell
Adaptive adjustment.
The residual heat waste water recycling is provided with temperature control equipment 3 313 and temperature sensor 1, institute in water route 310
It states humidifier 1 and when humidifier 2 24 respectively humidifies hydrogen and air, is controlled by controlling the temperature of waste water
The gas temperature of hydrogen and air.
When being humidified respectively to hydrogen and air (oxygen) by humidifier 1 and humidifier 2 24, temperature control water pump one
The 312 work hot water that extraction belt has surplus heat from water collector 311, while temperature control water pump 2 331 carries out condensation place to waste water
It extracts cold water in the condensation water tank 330 of reason, reaches experiment required temperature after the two mixing, using entering humidifier one after filtering
12 and humidifier 2 24 in gas is humidified.
The mixing preparation process of above-mentioned hot water and cold water, specifically by temperature control equipment 3 313 and temperature sensor
One 314 feedback water temperatures, data acquisition and processing module 200 control temperature control water pump 1 and the pump-out of temperature control water pump 2 331 is come
The water flow of hot water and cold water is controlled, to complete to test the allotment of required water temperature water.
In addition, in 100 course of work of fuel cell module, the ac impedance measurement instrument 110 connect data acquisition and
Processing module 200, ac impedance measurement instrument 110 can detect the water position status of fuel battery inside, and be transferred to data acquisition and
Processing module 200, data acquisition and processing module 200 judge fuel electricity by comparing actual value and two preset water level values
Whether pond is in water logging or dewatering state.
Data acquisition and processing module 200 according to the judging result of aforementioned water position status control whether to carry out water removal and
Humidification.
When generating water logging, data acquisition and processing module 200 open nitrogen branch, and the dry nitrogen of purging is taken to exclude fuel
The residual gas in cell reaction area and extra ponding, to reduce fuel battery inside water level；Generate dehydration when, data acquisition and
Processing module 200 recycles temperature control water pump 1 and temperature control water pump 2 331 in water route 310 by control residual heat waste water, and quickening can
Supply of the controlling temperature water to humidifier 1 and humidifier 2 24 increases the humidity of the hydrogen and air in input fuel cell,
To increase fuel battery inside water content.
System is monitored based on a kind of fuel cell water management presented hereinbefore, the invention proposes a kind of fuel cell water pipes
The working method for managing monitoring system, includes the following steps:
Hydrogen, the air provided by hydrogen cylinder 1 and air pump 13 passes through respective air inlet branch road progress pressure adjustment, flow
After control, temperature control and humid control, the anode and cathode reaction of fuel cell is respectively enterd, hydrogen and air enter fuel
After battery sufficiently reacts, aqueous vapor separation is carried out in gas-liquid separation device 320 to the mixed gas of discharge；
By data acquisition and processing module 200 is acquired to experimental data and subsequent processing；
In 100 course of work of fuel cell module, the ac impedance measurement instrument 110 connects data acquisition and processing mould
Block 200, ac impedance measurement instrument 110 can detect the water position status of fuel battery inside, and be transferred to data acquisition and processing mould
Whether block 200, data acquisition and processing module 200 judge fuel cell by comparing actual value and two preset water level values
In water logging or dewatering state；
Data acquisition and processing module 200 control whether to be removed water and be added according to the judging result of aforementioned water position status
It is wet；When generating water logging, data acquisition and processing module 200 open nitrogen branch, and the dry nitrogen of purging is taken to exclude fuel cell
The residual gas of reaction zone and extra ponding, to reduce fuel battery inside water level；When generating dehydration, data acquisition and processing
Module 200 recycles temperature control water pump 1 and temperature control water pump 2 331 in water route 310 by control residual heat waste water, accelerates controllable temperature
Supply of the water to humidifier 1 and humidifier 2 24 is spent, the humidity of the hydrogen and air in input fuel cell is increased, thus
Increase fuel battery inside water content.
In addition, the judgement of aforementioned water level detecting, water position status and data acquisition and the water position status control of processing module are same
Step carries out.
In conclusion fuel cell water management monitoring system of the invention realizes fuel cell module by above method
Water management, while the waste water that while taking full advantage of operation of fuel cells generated band has surplus heat.
The water balance problem of fuel cell can be found and adjusted in time using the present invention, to improve fuel cell effect
Rate, extends the service life of fuel cell to a certain extent, and keeps fuel cell experimental bench test run more safe and reliable.
Of the invention fuel cell water management monitoring system and its working method can monitor fuel battery inside water with
Prevention excludes fuel cell and generates water logging or dehydration failure, while can be carried out with working environment needed for fuel cell experimental bench
It adjusts in real time, and the waste water with waste heat for making full use of fuel cell reaction area to be discharged.
In the present invention, by the water collector 311 collect Lai waste water a part be diverted in condensation water tank 330, make cold
Solidifying processing, when the temperature of fuel cell exceeds normal temperature range, the data acquisition and processing module 200 are according to fuel electricity
The temperature control temperature control water pump 2 331 in pond accelerates the supply of cold water, cools down to fuel cell.
Meanwhile the temperature height of the data acquisition and 200 fuel cell of processing module decides whether that operation is extraneous
Cooling system (not shown) carries out auxiliary cooling to fuel cell.Extraneous cooling system is water circulation system.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of fuel cell water management monitors system characterized by comprising hydrogen branch, air passage, nitrogen branch,
Fuel cell module, data acquisition and processing module and residual heat waste water recycling module；Wherein,
It comprising fuel cell, temperature sensor, humidity sensor, pressure sensor and is used in the fuel cell module
Measure the ac impedance measurement instrument of the fuel battery inside water；
The hydrogen branch is connected to the anode of fuel cell, including set gradually hydrogen cylinder, for gas control valve one, pressure reducing valve
One, filter one, temperature control equipment one, pressure-generating device one, measuring device one, spinner flowmeter one and measurement dress
Set two, wherein dry gas circuit one and humidification gas circuit one, institute have been arranged in parallel between the spinner flowmeter one and measuring device two
It states and is equipped with dry gas route control valve one in dry gas circuit one, be equipped with moisture route control valve one and humidification in the humidification gas circuit one
Device one；
The air passage is connected to the cathode of fuel cell, including set gradually air pump, for gas control valve two, pressure reducing valve
Two, filter two, temperature control equipment two, pressure-generating device two, measuring device three, spinner flowmeter two and measurement dress
Set four, wherein dry gas circuit two and humidification gas circuit two, institute have been arranged in parallel between the spinner flowmeter two and measuring device four
It states and is equipped with dry gas route control valve two in dry gas circuit two, be equipped with moisture route control valve two and humidification in the humidification gas circuit two
Device two；
The nitrogen branch includes the nitrogen cylinder set gradually, for gas control valve three, pressure reducing valve three, filter one, temperature control
Device one, pressure-generating device one, measuring device one, spinner flowmeter one, dry gas route control valve one and measuring device
Two, wherein the hydrogen cylinder of the nitrogen cylinder and the hydrogen branch is connected in parallel on the filter one；
The residual heat waste water recycling module includes residual heat waste water recycling water route and the gas-liquid separation dress being connected with fuel cell
It sets, wherein residual heat waste water recycling water route is connected to the discharge outlet of the gas-liquid separation device, the residual heat waste water recycle-water
Road includes hot water branch, cold water branch and the connection water route being connected to the humidifier one and humidifier two, the hot water branch
Before road and cold water branch circuit parallel connection are connected to the connection water route, temperature control water pump one, the cold water branch are equipped in the hot water branch
It is equipped with concatenated condensation water tank and temperature control water pump two in road, is equipped with temperature control equipment three and temperature sensing in the connection water route
Device one；
The data acquisition and processing module are separately connected the fuel cell module, for gas control valve one, pressure reducing valve one, temperature
Control device one, pressure-generating device one, measuring device one, spinner flowmeter one, measuring device two, dry gas route control valve
One, moisture route control valve one, for gas control valve two, pressure reducing valve two, temperature control equipment two, pressure-generating device two, measurement
Device three, spinner flowmeter two, measuring device four, dry gas route control valve two, moisture route control valve two, for gas control valve
Three, pressure reducing valve three, temperature control water pump one, temperature control water pump two, temperature control equipment three and temperature sensor one.
2. fuel cell water management according to claim 1 monitors system, which is characterized in that the residual heat waste water recycles mould
Block further includes the water collector being arranged in residual heat waste water recycling water route, and the water collector is connected to gas-liquid separation device, institute
It states temperature control water pump one to be connected on water collector, the condensation water tank is connected to water collector, the temperature control water pump two, condensed water
Case and temperature control water pump join together be connected to temperature control equipment three before.
3. fuel cell water management according to claim 1 or 2 monitors system, which is characterized in that further include and the gas
The gas concentration unit of liquid separating apparatus connection.
4. fuel cell water management according to claim 1 monitors system, which is characterized in that also set in the connection water route
Have a deionization filter, the waste water in residual heat waste water recycling water route before being sent into humidifier one and humidifier two by it is described go from
Sub- filter filtering.
5. fuel cell water management according to claim 1 monitors system, which is characterized in that the measuring device one is used for
Temperature, humidity and the pressure of hydrogen are measured, the measuring device two is used to measure flow, temperature, humidity and the pressure of hydrogen, institute
It states measuring device three and is used to measure flow, the temperature of air for measuring the temperature, humidity and pressure of air, the measuring device four
Degree, humidity and pressure.
6. fuel cell water management according to claim 1 monitors system, which is characterized in that the fuel cell is proton
Exchange film fuel battery.
7. a kind of working method of fuel cell water management monitoring system according to any one of claims 1 to 6, feature
It is, includes the following steps:
Hydrogen, the air provided by hydrogen cylinder and air pump passes through respective air inlet branch road progress pressure adjustment, flow control, temperature
After degree control and humid control, the anode and cathode reaction of fuel cell is respectively enterd, hydrogen enters fuel cell with air and fills
After dividing reaction, aqueous vapor separation is carried out in gas-liquid separation device to the mixed gas of discharge；
By data acquisition and processing module is acquired to experimental data and subsequent processing；
In the fuel cell module course of work, the ac impedance measurement instrument connection data acquisition and processing module, exchange resistance
Anti- tester can detect the water position status of fuel battery inside, and be transferred to data acquisition and processing module, the data acquisition and
Processing module judges whether fuel cell is in water logging or dewatering state by comparing actual value and two preset water level values；
Data acquisition and processing module are controlled whether to be removed water and be humidified according to the judging result of aforementioned water position status；It generates
When water logging, data acquisition and processing module open nitrogen branch, and the dry nitrogen of purging is taken to exclude the residual of fuel cell reaction area
Gas and extra ponding are stayed, to reduce fuel battery inside water level；When generating dehydration, data acquisition and processing module pass through control
Temperature control water pump one and temperature control water pump two in residual heat waste water recycling processed water route, accelerate controllable temperature water to humidifier one and humidifier
Two supply increases the humidity of the hydrogen and air in input fuel cell, to increase fuel battery inside water content.
8. the working method of fuel cell water management monitoring system according to claim 7, which is characterized in that water level inspection
It surveys, water position status judges and data acquire and the control of the water position status of processing module is synchronized and carried out.
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