CN102983342A - Automatic water supplementing method of fuel cell humidifier and device thereof - Google Patents
Automatic water supplementing method of fuel cell humidifier and device thereof Download PDFInfo
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- CN102983342A CN102983342A CN2012104588140A CN201210458814A CN102983342A CN 102983342 A CN102983342 A CN 102983342A CN 2012104588140 A CN2012104588140 A CN 2012104588140A CN 201210458814 A CN201210458814 A CN 201210458814A CN 102983342 A CN102983342 A CN 102983342A
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Abstract
The invention discloses an automatic water supplementing method of a fuel cell humidifier and a device of the fuel cell humidifier. The automatic water supplementing method of the fuel cell humidifier comprises following steps that a humidifier works normally after being powered on, the automatic water supplementing device judges whether the humidifier is in a water state or not according to the switch on-off state of a liquid level floating ball switch arranged inside the humidifier; if the humidifier is in a no-water state, water is supplemented to the humidifier according to a formula in a mode that the ratio of suspending water supplementing time and water supplementing time is N:1, and automatic temperature control and heating are carried out to the water; if the humidifier is in a water available state, the water is stopped being supplemented to the humidifier, and automatic temperature control and heating are carried out. The automatic water supplementing method of the fuel cell humidifier and the device of the fuel cell humidifier effectively avoid the situation that the water temperature of the humidifier decreases obviously due to the water supplementing, enable the humidifier to maintain the water temperature stable in a normal working process, greatly reduce the influence on reaction gas humidity change from the water supplementing, enable the humidifier to be suitable for the continuous and long-time test of a high-power proton exchanging film fuel cell.
Description
Technical field
The present invention relates to a kind of control method and device thereof of humidifier, specifically a kind of automatic water supplement control method and device thereof of fuel cell humidifier.
Background technology
Proton Exchange Membrane Fuel Cells (PEMFC) is a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) that the energy of hydrogen and oxygen storage can be converted into electric energy, and it mainly is comprised of membrane electrode assembly (MEA), bipolar plates and gas diffusion layers.The conductivity of membrane electrode increases with its humidity within the specific limits during the Proton Exchange Membrane Fuel Cells operation, so the humidity of its reacting gas has important impact to battery performance.
At present, the humidification method of reacting gas mainly is divided into interior humidification and outer humidification.Interior humidification refers to add humidifier section to realize the humidification to reacting gas in pile inside, and this mode makes battery structure complicated.Outer humidification refers to humidifier by outside batteries to the reacting gas humidification, and the humidifier kind of outer humidification is a lot, such as Bubbling method humidifier, ejection-type humidifier, film humidifier, ultrasonic humidifier etc.More than various humidifiers pluses and minuses are all arranged, wherein the Bubbling method humidifier simply is widely used in the testing equipment of Proton Exchange Membrane Fuel Cells with the control of its manufacture craft, humidification.
The Bubbling method humidification is by the water container that can bubble with reacting gas, under the uniform temperature condition, water in the container evaporates under the vapour pressure effect, and enter together Proton Exchange Membrane Fuel Cells with reacting gas, the humidifying degree of the reacting gas humidifying temperature that places one's entire reliance upon, the humidifying temperature is higher, and proton exchange film fuel battery performance is better, so the Bubbling method humidification can be regulated by the control water temperature.
At present, Bubbling method humidifier automatic water supplement is the control method that adopts the continuous moisturizing of double liquid level detection mostly, the thinking of the method: in case controller detects high and low two liquid levels when all anhydrous, just control continuous moisturizing, until detect high and low two liquid levels water is arranged all, just control stops moisturizing.The advantage of the method is that the water temperature at humidifier reaches constant and need not time period of moisturizing, and the humidity of the reacting gas in the humidifier remains unchanged; In case the shortcoming of the method is again moisturizing, the water temperature of humidifier significantly descends, cause the humidity rapid drawdown of the reacting gas in the humidifier, must wait for the long period make water reheat stationary temperature can continue the test, have a strong impact on the Proton Exchange Membrane Fuel Cells test performance.Therefore the method is only applicable to the short time test of the test of middle low power Proton Exchange Membrane Fuel Cells or high-power Proton Exchange Membrane Fuel Cells, can't be applicable to the long-time continuous test of high-power Proton Exchange Membrane Fuel Cells.
Summary of the invention
The automatic water supplement control method that the purpose of this invention is to provide a kind of fuel cell humidifier can improve the water temperature stability of humidifier, keeps the moisture stable of reacting gas.
Another object of the present invention is to provide the device of realizing above-mentioned fuel cell humidifier automatic water supplement control method.
The objective of the invention is to realize by following technical measures:
A kind of automatic water supplement control method of fuel cell humidifier is characterized in that may further comprise the steps:
The humidifier rear normal operation that powers on, automatic water replenishing controller judge that based on the on off state that is installed in the liquid-level floater switch in the humidifier humidifier is to be in water state is arranged, and still are in anhydrous state; If humidifier is in anhydrous state, then carries out the batch (-type) moisturizing to humidifier, and water is carried out automatic temperature-control heating; If humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water.
Because having in high liquid level, the liquid-level floater switch connects (disconnection), disconnect (connection) in low liquid level, and at height, do not change the characteristic of on off state in the time of between the low liquid level, therefore, to have water state and anhydrous state to correspond respectively to a kind of on off state of liquid-level floater switch, if any water state corresponding to switch connection, anhydrous state disconnects corresponding to switch, when the water level in humidifier is lower than above-mentioned low liquid level, automatic water replenishing controller judges that humidifier is in anhydrous state, humidifier is carried out the batch (-type) moisturizing and water is carried out automatic temperature-control heating, moisturizing interval by the batch (-type) moisturizing rationally is set so that the moisturizing speed of humidifier can be under the prerequisite that keeps water temperature stability greater than the water consumption speed of reacting gas, when the water level in humidifier rises on the low liquid level, automatic water replenishing controller judges that still humidifier is in anhydrous state, water level in the humidifier continues to keep the rising of water temperature stability, until when rising to high water level, automatic water replenishing controller judges that humidifier is in and water state is arranged and stops moisturizing, and it is corresponding, because the water level in the reacting gas water consumption humidifier drops to high water level when following, automatic water replenishing controller judges that still humidifier is in water state is arranged, until water level drops to below the low liquid level, automatic water replenishing controller judges that again humidifier is in anhydrous state, again humidifier is carried out the batch (-type) moisturizing of water temperature stability.Simultaneously, by selecting the liquid-level floater switch so that high and low liquid level reasonably to be set, more can improve the operating efficiency and use safety of humidifier.
For the moisturizing interval of batch (-type) moisturizing rationally is set, as one embodiment of the present invention, described batch (-type) moisturizing is calculated according to following formula (1-1), (1-2) with (1-3), carries out take the ratio of suspending moisturizing time and moisturizing time as the mode of N:1;
Wherein, W is the poor of the water yield of humidifier when being in water yield when water state is arranged and humidifier and being in anhydrous state, k
1* F
WBe the flow that carries out moisturizing to humidifier, k
PFor reflecting that reaction gas pressure is to the pressure coefficient of reacting gas water consumption flow effect, k in the humidifier
TFor reflecting that water temperature is to the temperature coefficient of reacting gas water consumption flow effect in the humidifier, K is the structural constant of reflection humidifier internal structure to reacting gas water consumption flow effect, F
gReal-time traffic for reacting gas in the humidifier.
In order to prevent that humidifier from still continuing to heat under the moisturizing failure scenarios, ensure the use safety of humidifier, as a kind of improvement of the present invention, described automatic water supplement control method also includes following moisturizing failure timing step:
The humidifier rear normal operation that powers on, automatic water replenishing controller judge that humidifier is in anhydrous state, and automatic water replenishing controller begins timing and judges whether timing time reaches default moisturizing Time To Failure; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, the maintenance audible-visual annunciator cuts out and water is carried out automatic temperature-control heating, if timing time reaches the moisturizing Time To Failure, then judge moisturizing failure, start audible-visual annunciator and carry out moisturizing and unsuccessfully report to the police and forbid water is heated; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
Initially power on and enter time of normal operating conditions after the start in order to shorten humidifier, improve the operating efficiency of humidifier, as a kind of improvement of the present invention, described automatic water supplement control method also comprises the continuous watering step of following start:
The humidifier start that initially powers on, automatic water replenishing controller judge that based on the on off state that is installed in the liquid-level floater switch in the humidifier humidifier is to be in water state is arranged, and still are in anhydrous state; If humidifier is in anhydrous state, then carry out continuous moisturizing and forbid water is heated to humidifier, if humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water, humidifier enters normal operating conditions.
In order to prevent that humidifier from still continuing to heat under the moisturizing failure scenarios in the continuous watering step of start, ensure the use safety of humidifier, as the preferred implementation that the present invention recommends, described automatic water supplement control method also includes following moisturizing failure timing step:
Before humidifier entered normal operating conditions, automatic water replenishing controller judged that humidifier is in anhydrous state, and automatic water replenishing controller begins timing and judges whether timing time reaches default moisturizing Time To Failure; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, keep audible-visual annunciator to close, if timing time reaches the moisturizing Time To Failure, then judge the moisturizing failure, the startup audible-visual annunciator carries out moisturizing and unsuccessfully reports to the police; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
A kind of device of realizing said method is characterized in that described device comprises the master controller for control humidifier automatic water supplement, liquid-level floater switch for detection of the water level in the humidifier, the gas cylinder that is used for depot reaction gas, gas mass flow controller for detection of the real-time traffic of reflection gas in the humidifier, gas pressure transmitter for detection of the real-time pressure of reflection gas in the humidifier, thermocouple for detection of the real-time water temperature in the humidifier, be used for the heating bar that the water to humidifier heats, the thermostat that is used for the heating-up temperature of control heating bar, be used for driving the controllable silicon of heating bar work, water pump, water tank and audible-visual annunciator; Described liquid-level floater switch, thermocouple and heating bar are installed in respectively in the humidifier, described gas cylinder is communicated with the reacting gas air inlet of humidifier by gas mass flow controller, described gas pressure transmitter is communicated with the reacting gas gas outlet of humidifier, described water tank is communicated with the water inlet of humidifier by water pump, the input of described thermostat is electrically connected with the output of thermocouple, the output of thermostat is electrically connected with the drive end of heating bar by described controllable silicon, described master controller respectively with the liquid-level floater switch, thermostat, gas mass flow controller, gas pressure transmitter, the corresponding port of water pump and audible-visual annunciator is electrically connected.
Compared with prior art, the present invention has following beneficial effect:
First, the on off state that the present invention is based on the liquid-level floater switch is judged when humidifier is in anhydrous state, carry out the batch (-type) moisturizing take the ratio of suspending moisturizing time and moisturizing time as the mode of N:1 to humidifier, and water carried out automatic temperature-control heating, effectively avoided because the situation that moisturizing causes the water temperature of humidifier significantly to descend, so that humidifier can remain water temperature stability in normal operation, humidifier greatly reduced the impact that moisturizing changes reacting gas humidity, so that can be applicable to the long-time continuous test of high-power Proton Exchange Membrane Fuel Cells;
The second, the present invention is by the continuous watering step of start, shortened humidifier and initially powered on and to enter the time of normal operating conditions after the start, improved the operating efficiency of humidifier;
The 3rd, the present invention has prevented that by moisturizing failure timing step humidifier from still continuing to heat under the moisturizing failure scenarios in the continuous watering step of start, and the situation of dry combustion method appears in heating bar in having avoided installing, and has ensured the use safety of humidifier;
The 4th, the present invention sends warning by audible-visual annunciator in the situation of moisturizing failure, and can proceed moisturizing after the reason of eliminating the moisturizing failure, reenters in the normal operating conditions.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation that the present invention realizes the device of fuel cell humidifier automatic water supplement control method;
Fig. 2 is the FB(flow block) of judgment means operating state in the automatic water supplement control method of the present invention;
Fig. 3 is the FB(flow block) when humidifier initially powers on start in the automatic water supplement control method of the present invention;
Fig. 4 is the FB(flow block) when humidifier powers on rear normal operation in the automatic water supplement control method of the present invention.
Embodiment
As shown in Figure 1, the present invention realizes the device of fuel cell humidifier automatic water supplement control method, comprises the master controller for control humidifier automatic water supplement, liquid-level floater switch for detection of the water level in the humidifier, the gas cylinder that is used for depot reaction gas, gas mass flow controller for detection of the real-time traffic of reflection gas in the humidifier, gas pressure transmitter for detection of the real-time pressure of reflection gas in the humidifier, thermocouple for detection of the real-time water temperature in the humidifier, be used for the heating bar that the water to humidifier heats, the thermostat that is used for the heating-up temperature of control heating bar, be used for driving the controllable silicon of heating bar work, water pump, water tank and audible-visual annunciator; Described liquid-level floater switch, thermocouple and heating bar are installed in respectively in the humidifier, described gas cylinder is communicated with the reacting gas air inlet of humidifier by gas mass flow controller, described gas pressure transmitter is communicated with the reacting gas gas outlet of humidifier, described water tank is communicated with the water inlet of humidifier by water pump, the input of described thermostat is electrically connected with the output of thermocouple, the output of thermostat is electrically connected with the drive end of heating bar by described controllable silicon, described master controller respectively with the liquid-level floater switch, thermostat, gas mass flow controller, gas pressure transmitter, the corresponding port of water pump and audible-visual annunciator is electrically connected.
Wherein, water pump is used for drawing water from water tank.The form that adds light flash with sound when audible-visual annunciator is used for the moisturizing failure is reported to the police.Gas pressure transmitter is for detection of the pressure of reacting gas in the humidifier.The liquid-level floater switch is for detection of the fluid level condition of humidifier.Thermocouple is for detection of the water temperature in the humidifier.Heating bar is used for the water heating to humidifier.Thermostat is used for the water of humidifier is carried out thermostatic control.Controllable silicon is used for driving heating bar.The Bubbling method humidifier is used for providing to reacting gas the space of humidification.Gas mass flow controller is used for the flow that control enters the reacting gas of humidifier.Master controller is realized the automatic water supplement control method: be used for the control permission or forbid that thermostat heats the water of humidifier, also be used for reading the current water temperature that thermostat obtains humidifier; Be used for control and open water pump and draw water and deionized water is covered humidifier from water tank, also be used for control and switch off the pump and stop to the humidifier moisturizing; Being used for reading the liquid-level floater on off state obtains liquid level and is in water or anhydrous state are arranged; Be used for reading the current pressure that gas pressure transmitter obtains the humidifier reacting gas; Be used for the control gas mass flow controller and set the flow of the reacting gas that enters humidifier, also be used for reading the present flow rate that gas mass flow controller obtains the reacting gas that enters humidifier; Be used for control and open or close audible-visual annunciator.
Unlatching or the closing control signal of the output of water pump access master controller; Unlatching or the closing control signal of the output of audible-visual annunciator access master controller; The liquid level of master controller access liquid-level floater switch output has water or anhydrous state signal; Master controller is connected with gas pressure transmitter, gas mass flow controller, thermostat respectively by communication bus; The analog signal of the humidifier water temperature of thermostat access thermocouple output; The direct voltage of controllable silicon access thermostat output; The alternating voltage of heating bar access controllable silicon output; Water pump is connected with water tank, humidifier respectively with flexible pipe; Humidifier is connected with gas pressure transmitter, gas mass flow controller respectively with steel pipe; Gas cylinder is connected with flexible pipe with gas mass flow controller; The used in proton exchange membrane fuel cell flexible pipe is connected with gas pressure transmitter, counterbalance valve respectively; Heating bar is installed in the base of humidifier; Liquid-level floater switch and the installation of TC are at the loam cake of humidifier.
Master controller among the present invention can be selected general single-chip microcomputer or microprocessor; Described water tank is as long as satisfy the requirement of dress deionized water; Described water pump can be selected suitable conventional water pump, as long as the water yield that the rate of water make-up of this water pump consumes than PEMFC test in guarantor unit's time greatly; Described audible-visual annunciator selects conventional audible-visual annunciator to get final product; Described gas pressure transmitter can be selected the conventional gas pressure transmitter with communication interface; Described liquid-level floater switch can be selected suitable conventional liquid-level floater switch, as long as satisfy the lowermost end of the liquid-level floater switch that is installed in the humidifier loam cake is higher than the heating bar that is installed in the humidifier bottom from the height of humidifier base height; Described thermocouple can be selected conventional thermocouple, can extend the At The Height of the heating bar that is installed in the humidifier bottom as long as guarantee thermocouple probe length; Described heating bar will be selected according to the humidification ability heating bar of suitable heating power; Described thermostat can be selected the conventional thermostat with communication interface; Described controllable silicon can be selected suitable conventional controllable silicon, as long as the heating power that this silicon controlled driving force satisfies heating bar requires; Described gas mass flow controller can be selected the conventional gas mass flow controller with communication interface.
The automatic water supplement control method of fuel cell humidifier of the present invention may further comprise the steps:
As shown in Figure 2, whether the master controller judgment means just powers on, if device just powers on, master controller carries out moisturizing control according to automatic water supplement control method one; If device is not just to power on, master controller carries out moisturizing control according to automatic water supplement control method two.
As shown in Figure 3, master controller carries out moisturizing control according to following automatic water supplement control method one.
The humidifier start that initially powers on, automatic water replenishing controller is based on the on off state that is installed in the liquid-level floater switch in the humidifier, namely read the on off state of liquid-level floater switch by master controller, judge that humidifier is to be in water state is arranged, still be in anhydrous state; If the liquid-level floater switch is in on-state, be that humidifier is in anhydrous state, then carry out continuous moisturizing and forbid water is heated to humidifier, namely master controller forbids that thermostat heats heating bar, and opens water pump and continuously the deionized water of water tank is covered humidifier; If humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water, be that the master controller deionized water that stops water tank that switches off the pump covers humidifier, and allow thermostat that heating bar is heated, humidifier enters normal operating conditions.
And before humidifier entered normal operating conditions, automatic water replenishing controller judged that master controller began timing and judges whether timing time reaches default moisturizing Time To Failure when humidifier was in anhydrous state; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, keep audible-visual annunciator to close, if timing time reaches the moisturizing Time To Failure, then judge the moisturizing failure, the startup audible-visual annunciator carries out moisturizing and unsuccessfully reports to the police; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
As shown in Figure 4, master controller carries out moisturizing control according to following automatic water supplement control method two.
The humidifier rear normal operation that powers on, automatic water replenishing controller is based on the on off state that is installed in the liquid-level floater switch in the humidifier, namely read the on off state of liquid-level floater switch by master controller, judge that humidifier is to be in water state is arranged, still be in anhydrous state; If the liquid-level floater switch is in on-state, be that humidifier is in anhydrous state, then master controller is according to following formula (1-1), (1-2) and (1-3) calculating, the control water pump covers humidifier with the batch (-type) water supplementing method of cutting out N and opening afterwards second 1 second with the deionized water of water tank, the ratio of namely suspending moisturizing time and moisturizing time is N:1, and water is carried out automatic temperature-control heating; If the liquid-level floater switch is in off-state, be that humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water, namely the master controller deionized water that stops water tank that switches off the pump covers humidifier, and allows thermostat that heating bar is heated;
Wherein, W is the poor of the water yield of humidifier when being in water yield when water state is arranged and humidifier and being in anhydrous state, and the water yield that namely the liquid-level floater switch changes between the high and low liquid level of on off state in the humidifier is poor; k
1* F
WBe the flow that carries out moisturizing to humidifier, k
1Be the flow dissipation constant that reflection is affected discharge to the water pipe of humidifier water inlet by water tank, W and k
1Numerical value set in advance in master controller F by humidifier, liquid-level floater switch and water pipe are measured
WBe the metered flow of water pump, it sets in advance equally in master controller, can calculate water pump according to the value of these three parameters by formula (1-2) and with continuous water supplementing method the W water yield be supplied used moisturizing time t
1
K is the structural constant of reflection humidifier internal structure to reacting gas water consumption flow effect, and its numerical value sets in advance in master controller by humidifier is measured; k
PFor reflecting that reaction gas pressure is to the pressure coefficient of reacting gas water consumption flow effect, k in the humidifier
PNumerical value corresponding one by one with the pressure P of reacting gas, be determined by experiment pressure coefficient k corresponding to series reaction gas pressure characteristic value Pi
PiAnd the mineralization pressure coefficient lookup table, and this question blank is preset in the master controller, when carrying out automatic water supplement control, master controller reads the current pressure P that gas pressure transmitter obtains reacting gas in the humidifier, obtains corresponding pressure coefficient k by tabling look-up again
PIf when wherein reaction gas pressure P is not characteristic value in the question blank, then chooses and cross linear interpolation from two nearest stack features data communication devices of this reaction gas pressure P and obtain corresponding pressure coefficient k
Pk
TFor reflecting that water temperature is to the temperature coefficient of reacting gas water consumption flow effect, k in the humidifier
TNumerical value corresponding one by one with the water temperature T in the humidifier, be determined by experiment temperature coefficient k corresponding to a series of water temperature characteristic value Ti
TiAnd the formation temperature coefficient lookup table, and this question blank is preset in the master controller, when carrying out automatic water supplement control, master controller reads thermostat and obtains current water temperature T, obtains corresponding temperature coefficient k by tabling look-up again
TIf wherein water temperature T is not the characteristic value in the question blank, then chooses from two nearest stack features data communication devices of this water temperature T and cross the temperature coefficient k that linear interpolation obtains correspondence
TF
gBe the real-time traffic of reacting gas in the humidifier, its numerical value reads gas mass flow controller by master controller and obtains; Can calculate humidifier at structural constant K, pressure coefficient k according to above-mentioned parameter by formula (1-3)
P, temperature coefficient k
TWith reacting gas real-time traffic F
gReal-time conditions under run out of the used water consumption time t of the W water yield
2
And in the course of normal operation, automatic water replenishing controller judges that master controller began timing and judges whether timing time reaches default moisturizing Time To Failure when humidifier was in anhydrous state after humidifier powers on; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, keep audible-visual annunciator to close and allow thermostat to control heating bar water is heated, namely water is carried out automatic temperature-control heating, if timing time reaches the moisturizing Time To Failure, then judge moisturizing failure, start audible-visual annunciator and carry out moisturizing and unsuccessfully report to the police and forbid that thermostat control heating bar heats water; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
The present invention does not limit to and above-mentioned embodiment; according to foregoing; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; the present invention can also make equivalent modifications, replacement or the change of other various ways, all drops among protection scope of the present invention.
Claims (6)
1. the automatic water supplement control method of a fuel cell humidifier is characterized in that: may further comprise the steps:
The humidifier rear normal operation that powers on, automatic water replenishing controller judge that based on the on off state that is installed in the liquid-level floater switch in the humidifier humidifier is to be in water state is arranged, and still are in anhydrous state; If humidifier is in anhydrous state, then carries out the batch (-type) moisturizing to humidifier, and water is carried out automatic temperature-control heating; If humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water.
2. the automatic water supplement control method of fuel cell humidifier according to claim 1, it is characterized in that: described batch (-type) moisturizing is calculated according to following formula (1-1), (1-2) with (1-3), carries out take the ratio of suspending moisturizing time and moisturizing time as the mode of N:1;
Wherein, W is the poor of the water yield of humidifier when being in water yield when water state is arranged and humidifier and being in anhydrous state, k
1* F
WBe the flow that carries out moisturizing to humidifier, k
PFor reflecting that reaction gas pressure is to the pressure coefficient of reacting gas water consumption flow effect, k in the humidifier
TFor reflecting that water temperature is to the temperature coefficient of reacting gas water consumption flow effect in the humidifier, K is the structural constant of reflection humidifier internal structure to reacting gas water consumption flow effect, F
gReal-time traffic for reacting gas in the humidifier.
3. the automatic water supplement control method of fuel cell humidifier according to claim 1 and 2 is characterized in that: described automatic water supplement control method also includes following moisturizing failure timing step:
The humidifier rear normal operation that powers on, automatic water replenishing controller judge that humidifier is in anhydrous state, and automatic water replenishing controller begins timing and judges whether timing time reaches default moisturizing Time To Failure; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, the maintenance audible-visual annunciator cuts out and water is carried out automatic temperature-control heating, if timing time reaches the moisturizing Time To Failure, then judge moisturizing failure, start audible-visual annunciator and carry out moisturizing and unsuccessfully report to the police and forbid water is heated; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
4. the automatic water supplement control method of fuel cell humidifier according to claim 3, it is characterized in that: described automatic water supplement control method also comprises the continuous watering step of following start:
The humidifier start that initially powers on, automatic water replenishing controller judge that based on the on off state that is installed in the liquid-level floater switch in the humidifier humidifier is to be in water state is arranged, and still are in anhydrous state; If humidifier is in anhydrous state, then carry out continuous moisturizing and forbid water is heated to humidifier, if humidifier is in water state is arranged, then stop to carry out automatic temperature-control heating to the humidifier moisturizing and to water, humidifier enters normal operating conditions.
5. the automatic water supplement control method of fuel cell humidifier according to claim 4 is characterized in that: described automatic water supplement control method also includes following moisturizing failure timing step:
Before humidifier entered normal operating conditions, automatic water replenishing controller judged that humidifier is in anhydrous state, and automatic water replenishing controller begins timing and judges whether timing time reaches default moisturizing Time To Failure; If timing time does not reach the moisturizing Time To Failure, then judge not failure of moisturizing, keep audible-visual annunciator to close, if timing time reaches the moisturizing Time To Failure, then judge the moisturizing failure, the startup audible-visual annunciator carries out moisturizing and unsuccessfully reports to the police; Automatic water replenishing controller judgement humidifier is in water state is arranged, and the replacement timing time is zero.
6. device of realizing each described method of claim 1 to 5 is characterized in that: described device comprises the master controller for control humidifier automatic water supplement, liquid-level floater switch for detection of the water level in the humidifier, the gas cylinder that is used for depot reaction gas, gas mass flow controller for detection of the real-time traffic of reflection gas in the humidifier, gas pressure transmitter for detection of the real-time pressure of reflection gas in the humidifier, thermocouple for detection of the real-time water temperature in the humidifier, be used for the heating bar that the water to humidifier heats, the thermostat that is used for the heating-up temperature of control heating bar, be used for driving the controllable silicon of heating bar work, water pump, water tank and audible-visual annunciator; Described liquid-level floater switch, thermocouple and heating bar are installed in respectively in the humidifier, described gas cylinder is communicated with the reacting gas air inlet of humidifier by gas mass flow controller, described gas pressure transmitter is communicated with the reacting gas gas outlet of humidifier, described water tank is communicated with the water inlet of humidifier by water pump, the input of described thermostat is electrically connected with the output of thermocouple, the output of thermostat is electrically connected with the drive end of heating bar by described controllable silicon, described master controller respectively with the liquid-level floater switch, thermostat, gas mass flow controller, gas pressure transmitter, the corresponding port of water pump and audible-visual annunciator is electrically connected.
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| CN102983342A true CN102983342A (en) | 2013-03-20 |
| CN102983342B CN102983342B (en) | 2014-09-17 |
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| CN201210458814.0A Expired - Fee Related CN102983342B (en) | 2012-11-14 | 2012-11-14 | Automatic water supplementing method of fuel cell humidifier and device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165250A (en) * | 2019-06-21 | 2019-08-23 | 沃尔特电子（苏州）有限公司 | A kind of fuel cell humidification tank |
| CN110410983A (en) * | 2019-08-05 | 2019-11-05 | 珠海格力电器股份有限公司 | Humidification rate control method and device of humidification device and humidifier |
| CN112212433A (en) * | 2020-09-22 | 2021-01-12 | 苏州英维克温控技术有限公司 | Humidifier control method and humidifier |
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| JP2001006709A (en) * | 1999-06-24 | 2001-01-12 | Sanyo Electric Co Ltd | Fuel cell system |
| US20030098516A1 (en) * | 2001-11-27 | 2003-05-29 | Chaojiong Zhang | Gas humidifier |
| CN102544553A (en) * | 2012-01-05 | 2012-07-04 | 昆山弗尔赛能源有限公司 | Gas humidifying system for fuel cell testing platform |
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| JP2001006709A (en) * | 1999-06-24 | 2001-01-12 | Sanyo Electric Co Ltd | Fuel cell system |
| US20030098516A1 (en) * | 2001-11-27 | 2003-05-29 | Chaojiong Zhang | Gas humidifier |
| CN102544553A (en) * | 2012-01-05 | 2012-07-04 | 昆山弗尔赛能源有限公司 | Gas humidifying system for fuel cell testing platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165250A (en) * | 2019-06-21 | 2019-08-23 | 沃尔特电子（苏州）有限公司 | A kind of fuel cell humidification tank |
| CN110410983A (en) * | 2019-08-05 | 2019-11-05 | 珠海格力电器股份有限公司 | Humidification rate control method and device of humidification device and humidifier |
| CN110410983B (en) * | 2019-08-05 | 2020-12-04 | 珠海格力电器股份有限公司 | Humidification rate control method and device of humidification device and humidifier |
| CN112212433A (en) * | 2020-09-22 | 2021-01-12 | 苏州英维克温控技术有限公司 | Humidifier control method and humidifier |
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| Publication number | Publication date |
|---|---|
| CN102983342B (en) | 2014-09-17 |
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