Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral;It can be mechanical connection, also may be used
To be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of gas heater 1.
Referring to Fig. 1, gas heater 1 includes:Feed water unit 11, the feed water unit 11 are cold for gas heater 1
The input of water and the output of hot water;Air-blower control unit 13, the air-blower control unit 13 is for controlling the gas and hot water
The rotating speed of the wind turbine of device 1;Water temperature detection unit 14, the water temperature detection unit 14 be used for detect the cold water enter coolant-temperature gage with
And the leaving water temperature of the hot water;Rate of flow of water detection unit 15, the rate of flow of water detection unit 15 flow through the combustion for detecting
The rate of flow of water of gas water heater 1;System control unit 16 enters water temperature for receiving described in the detection of water temperature detection unit 14
The rate of flow of water of degree, the leaving water temperature and the rate of flow of water detection unit 15 detection, and send rotation speed of fan adjustment life
It enables to the air-blower control unit 13, to improve or reduce the rotating speed of the wind turbine.
Gas heater 1 provided by the utility model is detected into coolant-temperature gage by water temperature detection unit 14 and goes out water temperature
Degree detects rate of flow of water by rate of flow of water detection unit 15, and system control unit 16 is according to the water temperature detection unit received
The rate of flow of water for entering coolant-temperature gage, the leaving water temperature and the rate of flow of water detection unit 15 detection described in 14 detections, judges
The combustion case of the combustion gas of the gas heater, and send rotation speed of fan adjustment and order to the air-blower control unit 13,
To improve or reduce the rotating speed of the wind turbine.So that air-blower control unit 13 can adjust the rotating speed of wind turbine, and promote
The air of combustion gas and proper proportion is sufficiently mixed, and ensures the stabilization of gas component, so that water heater is in the working condition of safety, is kept away
Exempt from imperfect combustion and vibrations burning caused by combustion gas cost is partially different.
In the present embodiment, the gas heater 1 further includes the alarm unit 17 for signal an alert;The system
Control unit 16 is additionally operable to send abnormal signal to the alarm unit 17, is worked with triggering the alarm unit 17, sends out phase
The alarm signal answered makes user know dangerous situation in time to further improve the safety of water heater.As this
A kind of preferred mode implemented, the alarm unit 17 is LED light or loud speaker, to simplify the alarm unit
17 structure.
The gas heater 1 further includes combustion gas control unit 12, and the combustion gas control unit 12 is for controlling combustion gas
Input, the system control unit 16 are additionally operable to send stop signal to the combustion gas control unit 12, to control the defeated of combustion gas
Enter, to improve the control accuracy of the gas heater 1.In the present embodiment, the combustion gas control unit 12 is set to the combustion
The Gas Pipe of gas water heater 1, the combustion gas control unit 12 can be solenoid valve or proportioning valve.
The feed water unit 11 is respectively arranged on the water inlet pipe of the gas heater 1 and going out for the gas heater 1
At water pipe, to control the water inlet and water outlet that the feed water unit 11 accurately controls the gas heater 1.In the present embodiment,
The feed water unit 11 is proportioning valve, to optimize the structure of the feed water unit 11.
The water temperature detection unit 14 includes being set to the first temperature sensor of the water inlet pipe, and be set to described
The second temperature sensor of outlet pipe, to ensure the accurate detection of water temperature detection unit 14.In the present embodiment, the rate of flow of water
Monitoring unit is set to the outlet pipe, to optimize the installation position of the rate of flow of water monitoring unit.
Based on above-mentioned hardware condition, the utility model proposes each embodiments of the method for controlling security of gas heater.
Fig. 3 is please referred to, in the first embodiment of the utility model, the method for controlling security 100 of gas heater includes
Following steps:
Step S10:Obtain the cold water of gas heater input enter coolant-temperature gage, output hot water leaving water temperature with
And flow through the rate of flow of water of the gas heater;
In the present embodiment, the water temperature detection unit 14 detects the water outlet for entering coolant-temperature gage and the hot water of the cold water
Temperature, the rate of flow of water detection unit 15 detect the rate of flow of water for flowing through the gas heater 1.Wherein, cold water enters coolant-temperature gage
For t1;The leaving water temperature of hot water is t2;Rate of flow of water is v.
Step S20:According to it is described enter coolant-temperature gage, the leaving water temperature and the rate of flow of water according to preset transformation model
Current hot water conversion parameter C1 is calculated;
In one embodiment, the step S20 can be specifically included:
According to it is described enter coolant-temperature gage, the leaving water temperature and the rate of flow of water be calculated the leaving water temperature with it is described
Enter the temperature difference of coolant-temperature gage, and calculate the product C1 of the temperature difference and the rate of flow of water, wherein the temperature gap is Δ t
=t2-t1, the product C1=Δs t*v of the temperature difference and the rate of flow of water.
It is understood that the hot water conversion parameter is the reflection fuel gas buring calculated according to preset transformation model
Heat is converted into a parameter of the efficiency of hot water, can be used for characterizing the abundant degree of burning of combustion gas.Specifically, combustion gas is fired
That burns is more abundant, and the conversion ratio of hot water is then higher;Conversely, then the conversion ratio of hot water is lower.Above-mentioned calculating hot water conversion parameter
Transformation model be one of example, as long as the heat that can be used in characterizing fuel gas buring is converted into the efficiency calculation of hot water
Mode is not specifically limited herein.
Step S30:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Value whether be more than the first preset value and be less than the second preset value, wherein according to the leaving water temperature of setting, setting enter coolant-temperature gage with
The setting hot water conversion parameter C0 is calculated according to preset transformation model in the rate of flow of water of setting;
In one embodiment, it is described set hot water conversion parameter C0 as calculate the leaving water temperature of the setting with it is described enter water
The product of temperature difference and the setting rate of flow of water between temperature, obtains the setting hot water conversion parameter C0, wherein dC=
C1-C0, the first preset value of definition are e1, and the second preset value is e2, wherein e2 > e1.
Step S40:When the absolute value of the difference dC is more than the first preset value and is less than the second preset value, further really
Whether the fixed difference dC is less than 0;
Step S41:When the difference dC is less than 0, the rotating speed of the wind turbine of the gas heater 11 is reduced;
Step S42:When the difference dC is more than 0, the rotating speed of the wind turbine of the gas heater 11 is improved.
It is to be appreciated that first preset value, which is e1, and the second preset value is e2 to be arranged as required to, and work as e1
< | dC | when < e2, it is believed that be that fuel gas buring rate needs are finely adjusted section;Specifically, in the present embodiment, as dC < 0,
The rotating speed of the wind turbine of the gas heater 11 is reduced to r1 from r0, to reduce the combined amount of air;As dC > 0, by institute
The rotating speed for stating the wind turbine of gas heater 1 is promoted to r2 from r0, to promote the combined amount of air.
The method of controlling security of gas heater 11 provided by the utility model, by entering coolant-temperature gage, described according to
Current hot water conversion parameter C1 is calculated according to preset transformation model in leaving water temperature and the rate of flow of water;Judge current heat
Whether the absolute value of the difference dC between water conversion parameter C1 and setting hot water conversion parameter C0 is more than the first preset value and is less than
Second preset value;When the absolute value of the difference dC is more than the first preset value and is less than the second preset value, institute is further determined that
State whether difference dC is less than 0;When the difference dC is less than 0, the rotating speed of the wind turbine of the gas heater 11 is reduced;Described
When difference dC is more than 0, the rotating speed of the wind turbine of the gas heater 11 is improved, to realize that wind turbine changes according to real gas component
Adjustment of rotational speed is carried out, and the air of combustion gas and proper proportion is promoted to be sufficiently mixed, ensures the stabilization of gas component, makes at water heater
In the working condition of safety, imperfect combustion and vibrations burning caused by combustion gas cost is partially different are avoided.
Referring to Fig. 4, the method for controlling security 100 of the gas heater 1 in the first embodiment based on the utility model,
In the second embodiment of the utility model, the step S10~step S40 is identical with the first embodiment, and details are not described herein;
The difference is that the method for controlling security 200 of gas heater 11 further includes:
Step S50:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is more than the second preset value, wherein second preset value is more than the first preset value;
In the present embodiment, the processor 162 judges product C1 and the setting of presently described temperature difference and the rate of flow of water
Whether the absolute value of the difference dC between temperature difference and the product C0 for setting rate of flow of water is more than the second preset value.
Step S51:When the absolute value of the difference dC is more than the second preset value, it is believed that fuel gas buring occurs different
Often, stop the operating of the gas heater 1 and send out corresponding prompt message.
In the present embodiment, when the absolute value of the difference dC is more than the second preset value, the processor 162 stops described
The operating of gas heater 11, the alarm unit 17 send out corresponding prompt message.
Such as:When | dC | when > e2, the processor 162 cuts off the power supply of the gas heater 11, the alarm list
Member 17 sends out the alarm of whistle;Or the processor 162 controls the feed water unit 11 and cuts off the gas heater 1
It supplies water, the alarm unit 17 flickers dazzling light;Or the processor 162 controls the combustion gas control unit 12 and cuts off
The input of the combustion gas of the gas heater 1, the alarm unit 17 sends out the alarm of whistle, and flickers dazzling light.
It is appreciated that step S50 can also can simultaneously occur before step S30 with step S30, walked by increasing
Rapid S50 can increase the safety of gas heater 11, in order to which user knows the situation of fuel gas buring exception in time.
Further, the method for controlling security 200 of the gas heater 1 further includes:
The difference dC absolute value be less than the second preset value when, into judge current hot water conversion parameter C1 with set
The step of whether absolute value of the difference dC between hot water conversion parameter C0 is more than the first preset value and is less than the second preset value, from
And the continuity for the step of ensure that the method for controlling security of the gas heater 1.
Referring to Fig. 5, the method for controlling security 100 of the gas heater 1 in the first embodiment based on the utility model,
In the 3rd embodiment of the utility model, the step S10~step S40 is identical with the first embodiment, and details are not described herein;
The difference is that the method for controlling security 300 of gas heater 1 further includes:
Step S60:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is less than the first preset value;
In the present embodiment, the processor 162 judges product C1 and the setting of presently described temperature difference and the rate of flow of water
Whether the absolute value of the difference dC between temperature difference and the product C0 for setting rate of flow of water is less than the first preset value.
Step S61:When the absolute value of the difference dC is less than first preset value, the gas heater 1 is confirmed
It works well;
Specifically, working as | dC | when < e1, the processor 162 confirms that the gas heater 11 works well, the place
Reason device 162 does not do any type of adjustment to the gas heater 1.
Further, when the absolute value of the difference dC is more than first preset value, into judging current hot water turn
Whether the absolute value for changing parameter C1 and setting the difference dC between hot water conversion parameter C0 is more than the first preset value and is less than second
The step of preset value.
It is appreciated that step S60 can also can simultaneously occur before step S30 with step S30, walked by increasing
Rapid S60 can increase the flexibility of the adjusting of gas heater 11, contribute to the steady operating of gas heater 11.
Referring to Fig. 6, the method for controlling security 100 of the gas heater 1 in the first embodiment based on the utility model,
In the fourth embodiment of the utility model, the step S10~step S40 is identical with the first embodiment, and details are not described herein;
The difference is that the method for controlling security 400 of gas heater 1 further includes:
Step S50:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is more than the second preset value, wherein second preset value is more than the first preset value;
Step S51:When the absolute value of the difference dC is more than the second preset value, stop the fortune of the gas heater 1
Turn and sends out corresponding prompt message;
When the absolute value of the difference dC is less than the second preset value, S30 is entered step:Judge current hot water conversion parameter
Whether the absolute value of the difference dC between C1 and setting hot water conversion parameter C0 is more than the first preset value and is less than the second preset value
The step of;
Step S60:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is less than the first preset value;
Step S61:When the absolute value of the difference dC is less than first preset value, the gas heater 1 is confirmed
It works well;
When the absolute value of the difference dC is more than first preset value, S30 is entered step:Judge current hot water conversion
Whether the absolute value of the difference dC between parameter C1 and setting hot water conversion parameter C0 is more than the first preset value and is less than second in advance
If the step of value.
It is appreciated that the step S60, the step S50 and the step S30 can occur simultaneously, the step
S60, the step S50 can occur simultaneously, enter back into the step S30, can increase gas and hot water by increasing step S60
The flexibility of the adjusting of device 11 contributes to the steady operating of gas heater 11.It can increase combustion gas heat by increasing step S50
The safety of hydrophone 11, in order to which user knows the situation of fuel gas buring exception in time.
Referring to Fig. 2, the system control unit 16 in the gas heater 1 includes processor 162 and memory
161, computer program is stored in the memory 161, which realizes above-mentioned when being executed by the processor 162
The method of controlling security step of gas heater described in any embodiment, specifically comprises the following steps:
Step S10:Obtain the cold water of gas heater input enter coolant-temperature gage, output hot water leaving water temperature with
And flow through the rate of flow of water of the gas heater;
In the present embodiment, the water temperature detection unit 14 detects the water outlet for entering coolant-temperature gage and the hot water of the cold water
Temperature, the rate of flow of water detection unit 15 detect the rate of flow of water for flowing through the gas heater 1.Wherein, cold water enters coolant-temperature gage
For t1;The leaving water temperature of hot water is t2;Rate of flow of water is v.
Step S20:According to it is described enter coolant-temperature gage, the leaving water temperature and the rate of flow of water according to preset transformation model
Current hot water conversion parameter C1 is calculated;
In one embodiment, the step S20 can be specifically included:
According to it is described enter coolant-temperature gage, the leaving water temperature and the rate of flow of water be calculated the leaving water temperature with it is described
Enter the temperature difference of coolant-temperature gage, and calculate the product C1 of the temperature difference and the rate of flow of water, wherein the temperature gap is Δ t
=t2-t1, the product C1=Δs t*v of the temperature difference and the rate of flow of water.
It is understood that the hot water conversion parameter is the reflection fuel gas buring calculated according to preset transformation model
Heat is converted into a parameter of the efficiency of hot water, can be used for characterizing the abundant degree of burning of combustion gas.Specifically, combustion gas is fired
That burns is more abundant, and the conversion ratio of hot water is then higher;Conversely, then the conversion ratio of hot water is lower.Above-mentioned calculating hot water conversion parameter
Transformation model be one of example, as long as the heat that can be used in characterizing fuel gas buring is converted into the efficiency calculation of hot water
Mode is not specifically limited herein.
Step S30:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Value whether be more than the first preset value and be less than the second preset value, wherein according to the leaving water temperature of setting, setting enter coolant-temperature gage with
The setting hot water conversion parameter C0 is calculated according to preset transformation model in the rate of flow of water of setting;
In one embodiment, it is described set hot water conversion parameter C0 as calculate the leaving water temperature of the setting with it is described enter water
The product of temperature difference and the setting rate of flow of water between temperature, obtains the setting hot water conversion parameter C0, wherein dC=
C1-C0, the first preset value of definition are e1, and the second preset value is e2, wherein e2 > e1.
Step S40:When the absolute value of the difference dC is more than the first preset value and is less than the second preset value, further really
Whether the fixed difference dC is less than 0;
Step S41:When the difference dC is less than 0, the rotating speed of the wind turbine of the gas heater 11 is reduced;
Step S42:When the difference dC is more than 0, the rotating speed of the wind turbine of the gas heater 11 is improved.
It is to be appreciated that first preset value, which is e1, and the second preset value is e2 to be arranged as required to, and work as e1
< | dC | when < e2, it is believed that be that fuel gas buring rate needs are finely adjusted section;Specifically, in the present embodiment, as dC < 0,
The rotating speed of the wind turbine of the gas heater 11 is reduced to r1 from r0, to reduce the combined amount of air;As dC > 0, by institute
The rotating speed for stating the wind turbine of gas heater 1 is promoted to r2 from r0, to promote the combined amount of air.
Gas heater 11 provided by the utility model, by entering coolant-temperature gage, the leaving water temperature and institute according to
It states rate of flow of water and current hot water conversion parameter C1 is calculated according to preset transformation model;Judge current hot water conversion parameter C1 with
Whether the absolute value for setting the difference dC between hot water conversion parameter C0 is more than the first preset value and is less than the second preset value;Institute
The absolute value of difference dC is stated more than the first preset value and when being less than the second preset value, further determines that whether the difference dC is less than
0;When the difference dC is less than 0, the rotating speed of the wind turbine of the gas heater 11 is reduced;When the difference dC is more than 0, carry
The rotating speed of the wind turbine of the high gas heater 1 carries out adjustment of rotational speed to realize that wind turbine changes according to real gas component, and promotees
Air into combustion gas and proper proportion is sufficiently mixed, and ensures the stabilization of gas component, and water heater is made to be in the working condition of safety,
Avoid imperfect combustion and vibrations burning caused by combustion gas cost is partially different.
In one embodiment, following steps are also realized when the computer program is executed by the processor 162:
Step S50:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is more than the second preset value, wherein second preset value is more than the first preset value;
In the present embodiment, the processor 162 judges product C1 and the setting of presently described temperature difference and the rate of flow of water
Whether the absolute value of the difference dC between temperature difference and the product C0 for setting rate of flow of water is more than the second preset value.
Step S51:When the absolute value of the difference dC is more than the second preset value, it is believed that fuel gas buring occurs different
Often, stop the operating of the gas heater 1 and send out corresponding prompt message.
In the present embodiment, when the absolute value of the difference dC is more than the second preset value, the processor 162 stops described
The operating of gas heater 11, the alarm unit 17 send out corresponding prompt message.
Such as:When | dC | when > e2, the processor 162 cuts off the power supply of the gas heater 11, the alarm list
Member 17 sends out the alarm of whistle;Or the processor 162 controls the feed water unit 11 and cuts off the gas heater 1
It supplies water, the alarm unit 17 flickers dazzling light;Or the processor 162 controls the combustion gas control unit 12 and cuts off
The input of the combustion gas of the gas heater 1, the alarm unit 17 sends out the alarm of whistle, and flickers dazzling light.
It is appreciated that step S50 can also can simultaneously occur before step S30 with step S30, walked by increasing
Rapid S50 can increase the safety of gas heater 11, in order to which user knows the situation of fuel gas buring exception in time.
Further, following steps are also realized when computer program is executed by the processor 162:
The difference dC absolute value be less than the second preset value when, into judge current hot water conversion parameter C1 with set
The step of whether absolute value of the difference dC between hot water conversion parameter C0 is more than the first preset value and is less than the second preset value, from
And the continuity for the step of ensure that the method for controlling security of the gas heater 1.
In another embodiment, following steps are also realized when computer program is executed by the processor 162:
Step S60:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is less than the first preset value;
In the present embodiment, the processor 162 judges product C1 and the setting of presently described temperature difference and the rate of flow of water
Whether the absolute value of the difference dC between temperature difference and the product C0 for setting rate of flow of water is less than the first preset value.
Step S61:When the absolute value of the difference dC is less than first preset value, the gas heater 1 is confirmed
It works well;
Specifically, working as | dC | when < e1, the processor 162 confirms that the gas heater 11 works well, the place
Reason device 162 does not do any type of adjustment to the gas heater 1.
Further, when the absolute value of the difference dC is more than first preset value, into judging current hot water turn
Whether the absolute value for changing parameter C1 and setting the difference dC between hot water conversion parameter C0 is more than the first preset value and is less than second
The step of preset value.
It is appreciated that step S60 can also can simultaneously occur before step S30 with step S30, walked by increasing
Rapid S60 can increase the flexibility of the adjusting of gas heater 11, contribute to the steady operating of gas heater 11.
In another embodiment, computer program also realizes following steps when being executed by the processor 162:
Step S50:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is more than the second preset value, wherein second preset value is more than the first preset value;
Step S51:When the absolute value of the difference dC is more than the second preset value, stop the fortune of the gas heater 1
Turn and sends out corresponding prompt message;
When the absolute value of the difference dC is less than the second preset value, S30 is entered step:Judge current hot water conversion parameter
Whether the absolute value of the difference dC between C1 and setting hot water conversion parameter C0 is more than the first preset value and is less than the second preset value
The step of;
Step S60:Judge current hot water conversion parameter C1 and sets the absolute of the difference dC between hot water conversion parameter C0
Whether value is less than the first preset value;
Step S61:When the absolute value of the difference dC is less than first preset value, the gas heater 1 is confirmed
It works well;
When the absolute value of the difference dC is more than first preset value, S30 is entered step:Judge current hot water conversion
Whether the absolute value of the difference dC between parameter C1 and setting hot water conversion parameter C0 is more than the first preset value and is less than second in advance
If the step of value.
It is appreciated that the step S60, the step S50 and the step S30 can occur simultaneously, the step
S60, the step S50 can occur simultaneously, enter back into the step S30, can increase gas and hot water by increasing step S60
The flexibility of the adjusting of device 11 contributes to the steady operating of gas heater 11.It can increase combustion gas heat by increasing step S50
The safety of hydrophone 11, in order to which user knows the situation of fuel gas buring exception in time.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.