CN110186200A - A kind of burning antifreeze control method and the gas heater using it - Google Patents
A kind of burning antifreeze control method and the gas heater using it Download PDFInfo
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- CN110186200A CN110186200A CN201910560816.2A CN201910560816A CN110186200A CN 110186200 A CN110186200 A CN 110186200A CN 201910560816 A CN201910560816 A CN 201910560816A CN 110186200 A CN110186200 A CN 110186200A
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- burning
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- 230000002528 anti-freeze Effects 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 238000007710 freezing Methods 0.000 claims abstract description 12
- 230000007423 decrease Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 138
- 239000000567 combustion gas Substances 0.000 claims description 10
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000008236 heating water Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004901 spalling Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention provides a kind of burning antifreeze control method and use its gas heater, in powering under standby or shutdown mode for non-boiled water, inflow temperature is acquired in real time by temperature sensor, the environment temperature on leaving water temperature and Water tank for gas water heater top is simultaneously sent to master controller, master controller calculates the rate of change value of environment temperature decline in real time, and according to the default antifreeze load level of burning of the rate of change value, burn antifreeze safety time, burn antifreeze start-up temperature threshold values and the antifreeze closing temperature threshold values that burns, to which master controller can be according to the igniting of the antifreeze start-up temperature threshold values control igniter of preset burning, according to the preset antifreeze load level of burning, burn antifreeze safety time and the antifreeze closing temperature threshold values that burns, realize that the rate of change value of initiative recognition environment temperature decline actively starts burning anti-freezing pattern, And can accurate and effective fast low temperature combustion heating water tank, to reach more reliable, safe antifreezing effect.
Description
Technical field
The invention belongs to gas heater technical field of circuit control more particularly to a kind of burning antifreeze control method and make
With its gas heater.
Background technique
Northern area winter temperature is lower, and cold air can be entered on Water tank for gas water heater by gas heater exhaust pipe
Portion will make water freezing in water tank when gas heater is not used and gas heater is caused not to be available, water tank when serious
Interior water freezing expansion will will lead to water tank spalling and destroy permanent damages, cause economic loss to user, increase product repairing rate.
Gas heater common at present prevents water tank upper spalling, it is common to use 220Vac band temperature detect switch (TDS) resistance heating
Stick is buckled in low-temperature heat on water tank, reaches low temperature antifreezing effect, but there is also the electric leakages of resistance heating rod high pressure, service life
Short, the problems such as snap heat transfer efficiency is low, electric energy power is big, temperature control error is big.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of burning antifreeze control method and the combustion gas heat using it
Hydrophone, it can be ensured that the antifreeze work of the burning of gas heater is more stable, safe and reliable, improves gas heater and uses certainly
Adaptability brings comfortable, convenient domestic hot-water for user, and reduces product and use failure rate.
In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of burning antifreeze control method, packet
Include following steps:
Step 1, in the case where powering on standby or shutdown mode, the water flow of gas heater is acquired in real time by flow sensor
Data Concurrent is sent to master controller, and master controller judges whether gas heater is in boiled water state；
If so, then gas heater enters normal combustion operating mode；
If not, gas heater enters step 2；
Step 2, inflow temperature, leaving water temperature and Water tank for gas water heater top are acquired in real time by temperature sensor
The Data Concurrent of environment temperature is sent to master controller, and master controller calculates the rate of change value of environment temperature decline in real time, and
According to the antifreeze load level of the default burning of the rate of change value, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning and
Burn antifreeze closing temperature threshold values；
Step 3, whether the preset antifreeze starting temperature of burning in step 2 is reached by master controller real-time judge environment temperature
Bottom valve value；
If so, then the preset antifreeze load level initial igniter of burning lights flame in master controller foundation step 2, fire
Gas water heater enters burning by gas ratio valve electric current Corresponding matching blower electric current needed for the antifreeze load level of burning and revolving speed
Anti-freezing pattern subsequently enters step 4；
If not, gas heater reenters step 1；
Step 4, whether the preset antifreeze closing temperature of burning in step 2 is reached by master controller real-time judge environment temperature
Bottom valve value；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater enters step 5；
Step 5, whether step is reached by the time that master controller real-time judge gas heater enters burning anti-freezing pattern
The preset antifreeze safety time of burning in rapid 2；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater reenters step 1.
It further include step after the step 3 as the preferred embodiment of burning antifreeze control method provided by the invention
3.1, it acquires flame temperature Data Concurrent in real time by temperature sensor and send to master controller, master controller judges gas heater
Burning anti-freezing pattern whether there is failure；
If so, closing gas switch valve when failure cumulative number reaches preset value, gas heater enters fault cues
And processing；When failure cumulative number is not up to preset value, gas heater reenters step 1；
If not, gas heater enters step 4.
In addition, another aspect of the present invention additionally provides a kind of gas heater comprising master controller, gas proportion
Valve, blower, flow sensor, influent side temperature sensor, water outlet side temperature sensor, environment temperature sensor, igniter and
Display,
The flow sensor is electrically connected by water flow Acquisition Circuit with the master controller, and the flow sensor is used
Water flow data is sent to the master controller in the water flow of detection gas heater, and by water flow Acquisition Circuit；
The influent side temperature sensor is electrically connected by inflow temperature Acquisition Circuit with the master controller, the water inlet
Side temperature sensor sends inflow temperature to the master controller for detecting inflow temperature, and by inflow temperature Acquisition Circuit
Data；
The water outlet side temperature sensor is electrically connected by leaving water temperature Acquisition Circuit with the master controller, the water outlet
Side temperature sensor sends leaving water temperature to the master controller for detecting leaving water temperature, and by leaving water temperature Acquisition Circuit
Data；
The environment temperature sensor is electrically connected by temperature collection circuit with the master controller, the environment temperature
Degree sensor is used to detect the environment temperature on Water tank for gas water heater top, and passes through temperature collection circuit to the master control
Device processed sends ambient temperature data；
The master controller is electrically connected by ignition drive circuit with the igniter, and the master controller is according to preset
Burn antifreeze start-up temperature threshold values, and the igniting of the igniter is controlled by ignition drive circuit；
The master controller is electrically connected by Proportion valve controlling circuit with the gas ratio valve, the master controller according to
The preset antifreeze load level that burns, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, pass through proportional valve control
The aperture of gas ratio valve described in circuit control；
The master controller is electrically connected by draught fan control circuit with the blower, and the master controller is according to preset combustion
Antifreeze load level, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning are burnt, institute is controlled by draught fan control circuit
State the revolving speed of blower；
The display is electrically connected with the master controller, and the display is for showing that gas heater is run in real time
State；
Wherein, the antifreeze load level of the preset burning, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning
With the real time computing environment temperature under powering on standby or shutdown mode of antifreeze closing temperature threshold values and master controller in non-boiled water of burning
The rate of change value matching of degree decline.
It further include ignition temperature sensor as the preferred embodiment of gas heater provided by the invention, the burning temperature
Degree sensor is arranged in the combustion chamber of gas heater, and the ignition temperature sensor passes through ignition temperature Acquisition Circuit and institute
State master controller electrical connection, the ignition temperature sensor for detecting flame temperature, and by ignition temperature Acquisition Circuit to
The master controller sends flame temperature data.
As the preferred embodiment of gas heater provided by the invention, the gas ratio valve passes through proportioning valve current feedback
Circuit is electrically connected with the master controller, and the proportioning valve current feedback circuit is combustion gas described in the master controller Real-time Feedback
The current signal of proportioning valve.
As the preferred embodiment of gas heater provided by the invention, the blower passes through blower current feedback circuit and institute
Master controller electrical connection is stated, the blower current feedback circuit is the electric current letter of blower described in the master controller Real-time Feedback
Number；The blower is electrically connected by rotation speed of fan feed circuit with the master controller, and the rotation speed of fan feed circuit is institute
State the tach signal of blower described in master controller Real-time Feedback.
As the preferred embodiment of gas heater provided by the invention, the environment temperature sensor is arranged in gas and hot water
In the discharge chamber of device water tank upper.
As the preferred embodiment of gas heater provided by the invention, gas heater is arranged in the flow sensor
On water inlet pipe or outlet pipe.
As the preferred embodiment of gas heater provided by the invention, the influent side temperature sensor setting is in combustion gas heat
On the water inlet pipe of hydrophone.
As the preferred embodiment of gas heater provided by the invention, the water outlet side temperature sensor setting is in combustion gas heat
On the outlet pipe of hydrophone.
Implement a kind of burning antifreeze control method provided by the invention and the gas heater using it, with prior art phase
Compare, has the following beneficial effects:
The present invention non-boiled water power on standby or shutdown mode under, acquired in real time by temperature sensor inflow temperature,
The environment temperature on leaving water temperature and Water tank for gas water heater top is simultaneously sent to master controller, and master controller calculates ring in real time
The rate of change value (such as: 1 DEG C/Min, 2 DEG C/Min, 3 DEG C/Min etc.) of border temperature decline, and according to the default combustion of the rate of change value
Burn antifreeze load level (such as: the 10% of water heater maximum output load, 7%, 3% etc.), the antifreeze safety time of burning (such as:
10S, 15S, 20S etc.), the antifreeze start-up temperature threshold values (such as: 3 DEG C, 5 DEG C, 8 DEG C etc.) of burning and the antifreeze closing temperature threshold values that burns
(such as: 15 DEG C, 20 DEG C, 25 DEG C etc.), so that master controller can be according to the antifreeze start-up temperature threshold values control igniting of preset burning
The igniting of device divides according to the antifreeze load level of preset burning, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning
Not Kong Zhi the aperture of gas ratio valve and the revolving speed of blower, and then realize initiative recognition environment temperature decline rate of change value master
Dynamic starting burning anti-freezing pattern, and can accurate and effective fast low temperature combustion heating water tank, to reach more reliable, safe anti-
Freeze effect.As it can be seen that burning antifreeze control method of the invention can ensure the antifreeze work of the burning of gas heater it is more stable,
It is safe and reliable, it improves gas heater and uses adaptive ability, bring comfortable, convenient domestic hot-water for user, and reduce production
Product use failure rate.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the control system figure of gas heater provided by the invention；
Fig. 2 is the work flow diagram for the burning antifreeze control method that the embodiment of the present invention one provides；
Fig. 3 is the work flow diagram of burning antifreeze control method provided by Embodiment 2 of the present invention.
In figure, 1 is master controller, and 2 be gas ratio valve, and 3 be blower, and 4 be flow sensor, and 5 pass for influent side temperature
Sensor, 6 be water outlet side temperature sensor, and 7 be environment temperature sensor, and 8 be igniter, and 9 be display, and 10 acquire for water flow
Circuit, 11 be inflow temperature Acquisition Circuit, and 12 be leaving water temperature Acquisition Circuit, and 13 be temperature collection circuit, and 14 be igniting
Driving circuit, 15 be Proportion valve controlling circuit, and 16 be draught fan control circuit, and 17 be ignition temperature sensor, and 18 be ignition temperature
Acquisition Circuit, 19 be proportioning valve current feedback circuit, and 20 be blower current feedback circuit, and 21 be rotation speed of fan feed circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, the preferred embodiment of a kind of antifreeze control method that burns provided by the invention comprising as follows
Step:
Step 1, in the case where powering on standby or shutdown mode, the water flow of gas heater is acquired in real time by flow sensor 4
Amount Data Concurrent is sent to master controller 1, and master controller 1 judges whether gas heater is in boiled water state；
If so, then gas heater enters normal combustion operating mode；
If not, gas heater enters step 2；
Step 2, inflow temperature, leaving water temperature and Water tank for gas water heater top are acquired in real time by temperature sensor
The Data Concurrent of environment temperature is sent to master controller 1, and master controller 1 calculates the rate of change value of environment temperature decline in real time,
And according to the antifreeze load level of the default burning of the rate of change value, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning
With the antifreeze closing temperature threshold values that burns；
Step 3, whether the preset antifreeze starting of burning in step 2 is reached by 1 real-time judge environment temperature of master controller
Threshold temperature；
If so, then master controller 1 according to the antifreeze load level initial igniter 8 of preset burning in step 2 lights flame,
Gas heater is by 2 electric current Corresponding matching blower of gas ratio valve, 3 electric current needed for antifreeze load level and the revolving speed entrance of burning
Burn anti-freezing pattern, subsequently enters step 4；
If not, gas heater reenters step 1；
Step 4, whether the preset antifreeze closing of burning in step 2 is reached by 1 real-time judge environment temperature of master controller
Threshold temperature；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater enters step 5；
Step 5, whether step is reached by the time that 1 real-time judge gas heater of master controller enters burning anti-freezing pattern
The preset antifreeze safety time of burning in rapid 2；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater reenters step 1.
As shown in figure 3, the further improvement of above-described embodiment: after the step 3, further including step 3.1, pass through temperature
Sensor acquires flame temperature Data Concurrent in real time and send to master controller 1, and master controller 1 judges that the burning of gas heater is antifreeze
Mode whether there is failure；
If so, closing gas switch valve when failure cumulative number reaches preset value, gas heater enters fault cues
And processing；When failure cumulative number is not up to preset value, gas heater reenters step 1；
If not, gas heater enters step 4.
In addition, being above-mentioned control method convenient to carry out, the present invention also provides a kind of gas heaters comprising main control
Device 1, gas ratio valve 2, blower 3, flow sensor 4, influent side temperature sensor 5, water outlet side temperature sensor 6, environment temperature
Spend sensor 7, igniter 8 and display 9, wherein blower 3 is preferably DC speed control fan.
The flow sensor 4 is electrically connected by water flow Acquisition Circuit 10 with the master controller 1, the flow sensing
Device 4 is used to detect the water flow of gas heater, and sends water flow to the master controller 1 by water flow Acquisition Circuit 10
Data；Specifically, the flow sensor 4 is arranged on the water inlet pipe or outlet pipe of gas heater, the flow sensor 4
Output end be electrically connected with the input terminal of the water flow Acquisition Circuit 10, the output end of the water flow Acquisition Circuit 10 and institute
State the input terminal electrical connection of master controller 1.
The influent side temperature sensor 5 is electrically connected by inflow temperature Acquisition Circuit 11 with the master controller 1, described
Influent side temperature sensor 5 is sent for detecting inflow temperature, and by inflow temperature Acquisition Circuit 11 to the master controller 1
Inflow temperature data；Specifically, the influent side temperature sensor 5 is arranged on the water inlet pipe of gas heater, the water inlet
The output end of side temperature sensor 5 is electrically connected with the input terminal of the inflow temperature Acquisition Circuit 11, the inflow temperature acquisition
The output end of circuit 11 is electrically connected with the input terminal of the master controller 1.
The water outlet side temperature sensor 6 is electrically connected by leaving water temperature Acquisition Circuit 12 with the master controller 1, described
Water outlet side temperature sensor 6 is sent for detecting leaving water temperature, and by leaving water temperature Acquisition Circuit 12 to the master controller 1
Leaving water temperature data；Specifically, the water outlet side temperature sensor 6 is arranged on the outlet pipe of gas heater, the water outlet
The output end of side temperature sensor 6 is electrically connected with the input terminal of the leaving water temperature Acquisition Circuit 12, the leaving water temperature acquisition
The output end of circuit 12 is electrically connected with the input terminal of the master controller 1.
The environment temperature sensor 7 is electrically connected by temperature collection circuit 13 with the master controller 1, the ring
Border temperature sensor 7 is used to detect the environment temperature on Water tank for gas water heater top, and by temperature collection circuit 13 to
The master controller 1 sends ambient temperature data；Specifically, the environment temperature sensor 7 is arranged in Water tank for gas water heater
In the discharge chamber on top, the input terminal electricity of the output end of the environment temperature sensor 7 and the temperature collection circuit 13
Connection, the output end of the temperature collection circuit 13 are electrically connected with the input terminal of the master controller 1.
The master controller 1 is electrically connected by ignition drive circuit 14 with the igniter 8,1 basis of master controller
The preset antifreeze start-up temperature threshold values of burning, the igniting of the igniter 8 is controlled by ignition drive circuit 14, lights combustion gas；
Specifically, the output end of the master controller 1 is electrically connected with the input terminal of the ignition drive circuit 14, the igniting driving electricity
The output end on road 14 is electrically connected with the input terminal of the igniter 8.
The master controller 1 is electrically connected by Proportion valve controlling circuit 15 with the gas ratio valve 2, the master controller
1, according to the antifreeze load level of preset burning, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, passes through proportioning valve
Control circuit 15 controls the aperture of the gas ratio valve 2, and to burn in real time, required load provides corresponding gas quantity demand；Tool
Body, the output end of the master controller 1 is electrically connected with the input terminal of the Proportion valve controlling circuit 15, the proportional valve control
The output end of circuit 15 is electrically connected with the input terminal of the gas ratio valve 2.
The master controller 1 is electrically connected by draught fan control circuit 16 with the blower 3, and the master controller 1 is according to pre-
If the antifreeze load level of burning, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, pass through draught fan control circuit
The revolving speed of the 16 control blowers 3, to burn in real time, required load provides corresponding air capacity demand；Specifically, the master control
The output end of device 1 processed is electrically connected with the input terminal of the draught fan control circuit 16, the output end of the draught fan control circuit 16 with
The input terminal of the blower 3 is electrically connected.
The display 9 is electrically connected with the master controller 1, and the display 9 is for showing that gas heater is real-time
Operating status；Specifically, the input terminal of the display 9 is electrically connected with the output end of the master controller 1.
Wherein, the antifreeze load level of the preset burning, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning
With the real time computing environment temperature under powering on standby or shutdown mode of antifreeze closing temperature threshold values and master controller 1 in non-boiled water of burning
The rate of change value matching of degree decline.
Illustratively, gas heater further includes ignition temperature sensor 17, and the ignition temperature sensor 17 passes through combustion
Temperature collection circuit 18 is burnt to be electrically connected with the master controller 1, the ignition temperature sensor 17 is used to detect flame temperature, and
Flame temperature data are sent to the master controller 1 by ignition temperature Acquisition Circuit 18.Specifically, the ignition temperature sensing
Device 17 is arranged in the combustion chamber of gas heater, and the output end of the ignition temperature sensor 17 and the ignition temperature acquire
The input terminal of circuit 18 is electrically connected, the input terminal electricity of the output end of the ignition temperature Acquisition Circuit 18 and the master controller 1
Connection.The setting for passing through ignition temperature sensor 17 as a result, is capable of the burning anti-freezing pattern failure of real-time monitoring gas heater
Number closes gas switch valve when failure cumulative number reaches preset value, and gas heater enters fault cues and processing.
Illustratively, the gas ratio valve 2 is electrically connected by proportioning valve current feedback circuit 19 with the master controller 1
It connecing, the proportioning valve current feedback circuit 19 is the current signal of gas ratio valve 2 described in 1 Real-time Feedback of master controller,
To be monitored in real time to the operating current of gas ratio valve 2.Specifically, the output end of the gas ratio valve 2 with it is described
The input terminal of proportioning valve current feedback circuit 19 is electrically connected, the output end of the proportioning valve current feedback circuit 19 and the master control
The input terminal of device 1 processed is electrically connected.
Illustratively, the blower 3 is electrically connected by blower current feedback circuit 20 with the master controller 1, the wind
Electromechanical current feedback circuit 20 is the current signal of blower 3 described in 1 Real-time Feedback of master controller, thus the work to blower 3
Electric current is monitored in real time.Specifically, the output end of the blower 3 and the input terminal of the blower current feedback circuit 20 are electrically connected
It connects, the output end of the blower current feedback circuit 20 is electrically connected with the input terminal of the master controller 1.
Illustratively, the blower 3 is electrically connected by rotation speed of fan feed circuit 21 with the master controller 1, the wind
Machine speed feedback circuit 21 is the tach signal of blower 3 described in 1 Real-time Feedback of master controller, thus to the revolving speed of blower 3
It is monitored in real time.Specifically, the output end of the blower 3 is electrically connected with the input terminal of the rotation speed of fan feed circuit 21,
The output end of the rotation speed of fan feed circuit 21 is electrically connected with the input terminal of the master controller 1.
In conclusion implement a kind of burning antifreeze control method provided by the invention and the gas heater using it,
Powering under standby or shutdown mode for non-boiled water, inflow temperature, leaving water temperature and combustion gas are acquired by temperature sensor in real time
The environment temperature on water-heater water tank top is simultaneously sent to master controller 1, and master controller 1 calculates the change of environment temperature decline in real time
Change rate value (such as: 1 DEG C/Min, 2 DEG C/Min, 3 DEG C/Min etc.), and according to the default antifreeze load level of burning of the rate of change value
(such as: the 10% of water heater maximum output load, 7%, 3% etc.), the antifreeze safety time (such as: 10S, 15S, 20S etc.) of burning, combustion
Burn antifreeze start-up temperature threshold values (such as: 3 DEG C, 5 DEG C, 8 DEG C etc.) and the antifreeze closing temperature threshold values of burning (such as: 15 DEG C, 20 DEG C, 25 DEG C
Deng), so that master controller 1 can be according to the igniting of the antifreeze start-up temperature threshold values control igniter 8 of preset burning, according to default
The antifreeze load level of burning, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, control gas ratio valve 2 respectively
Aperture and blower 3 revolving speed, and then realize the rate of change value of initiative recognition environment temperature decline actively starting burning be antifreeze
Mode, and can accurate and effective fast low temperature combustion heating water tank, to reach more reliable, safe antifreezing effect.As it can be seen that this
The burning antifreeze control method of invention can ensure that the antifreeze work of the burning of gas heater is more stable, safe and reliable, improve
Gas heater uses adaptive ability, brings comfortable, convenient domestic hot-water for user, and reduces product and use failure rate.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (10)
1. a kind of burning antifreeze control method, which comprises the steps of:
Step 1, in the case where powering on standby or shutdown mode, the water flow data of gas heater is acquired in real time by flow sensor
And it is sent to master controller, master controller judges whether gas heater is in boiled water state；
If so, then gas heater enters normal combustion operating mode；
If not, gas heater enters step 2；
Step 2, the environment of inflow temperature, leaving water temperature and Water tank for gas water heater top is acquired in real time by temperature sensor
The Data Concurrent of temperature is sent to master controller, master controller calculate in real time environment temperature decline rate of change value, and according to
The antifreeze load level of the default burning of the rate of change value, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning and burning
Antifreeze closing temperature threshold values；
Step 3, whether the preset antifreeze start-up temperature valve of burning in step 2 is reached by master controller real-time judge environment temperature
Value；
If so, then the preset antifreeze load level initial igniter of burning lights flame, combustion gas heat in master controller foundation step 2
Hydrophone by burn gas ratio valve electric current Corresponding matching blower electric current needed for antifreeze load level and revolving speed to enter burning antifreeze
Mode subsequently enters step 4；
If not, gas heater reenters step 1；
Step 4, whether the preset antifreeze closing temperature valve of burning in step 2 is reached by master controller real-time judge environment temperature
Value；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater enters step 5；
Step 5, whether reached in step 2 by the time that master controller real-time judge gas heater enters burning anti-freezing pattern
The preset antifreeze safety time of burning；
If so, then closing gas switch valve, gas heater enters blower cleaning processing；
If not, gas heater reenters step 1.
2. burning antifreeze control method as described in claim 1, which is characterized in that further include step after the step 3
3.1, it acquires flame temperature Data Concurrent in real time by temperature sensor and send to master controller, master controller judges gas heater
Burning anti-freezing pattern whether there is failure；
If so, closing gas switch valve when failure cumulative number reaches preset value, gas heater enters fault cues and place
Reason；When failure cumulative number is not up to preset value, gas heater reenters step 1；
If not, gas heater enters step 4.
3. a kind of gas heater, which is characterized in that including master controller, gas ratio valve, blower, flow sensor, water inlet
Side temperature sensor, water outlet side temperature sensor, environment temperature sensor, ignition temperature sensor, igniter and display,
The flow sensor is electrically connected by water flow Acquisition Circuit with the master controller, and the flow sensor is for examining
The water flow of gas heater is surveyed, and water flow data is sent to the master controller by water flow Acquisition Circuit；
The influent side temperature sensor is electrically connected by inflow temperature Acquisition Circuit with the master controller, the influent side temperature
Degree sensor sends inflow temperature number to the master controller for detecting inflow temperature, and by inflow temperature Acquisition Circuit
According to；
The water outlet side temperature sensor is electrically connected by leaving water temperature Acquisition Circuit with the master controller, the water outlet side temperature
Degree sensor sends leaving water temperature number to the master controller for detecting leaving water temperature, and by leaving water temperature Acquisition Circuit
According to；
The environment temperature sensor is electrically connected by temperature collection circuit with the master controller, and the environment temperature passes
Sensor is used to detect the environment temperature on Water tank for gas water heater top, and passes through temperature collection circuit to the master controller
Send ambient temperature data；
The ignition temperature sensor is electrically connected by ignition temperature Acquisition Circuit with the master controller, and the ignition temperature passes
Sensor sends flame temperature data to the master controller for detecting flame temperature, and by ignition temperature Acquisition Circuit；
The master controller is electrically connected by ignition drive circuit with the igniter, and the master controller is according to preset burning
Antifreeze start-up temperature threshold values, the igniting of the igniter is controlled by ignition drive circuit；
The master controller is electrically connected by Proportion valve controlling circuit with the gas ratio valve, and the master controller is according to default
The antifreeze load level of burning, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, pass through Proportion valve controlling circuit
Control the aperture of the gas ratio valve；
The master controller is electrically connected by draught fan control circuit with the blower, and the master controller is anti-according to preset burning
Freeze load level, the antifreeze safety time of burning and the antifreeze closing temperature threshold values of burning, the wind is controlled by draught fan control circuit
The revolving speed of machine；
The display is electrically connected with the master controller, and the display is for showing that gas heater runs shape in real time
State；
Wherein, the antifreeze load level of the preset burning, the antifreeze safety time of burning, the antifreeze start-up temperature threshold values of burning and combustion
Antifreeze closing temperature threshold values and master controller are burnt in non-boiled water at a temperature of powering on real time computing environment under standby or shutdown mode
The rate of change value of drop matches.
4. gas heater as claimed in claim 3, which is characterized in that it further include ignition temperature sensor, the burning temperature
Degree sensor is arranged in the combustion chamber of gas heater, and the ignition temperature sensor passes through ignition temperature Acquisition Circuit and institute
State master controller electrical connection, the ignition temperature sensor for detecting flame temperature, and by ignition temperature Acquisition Circuit to
The master controller sends flame temperature data.
5. gas heater as claimed in claim 3, which is characterized in that the gas ratio valve passes through proportioning valve current feedback
Circuit is electrically connected with the master controller, and the proportioning valve current feedback circuit is combustion gas described in the master controller Real-time Feedback
The current signal of proportioning valve.
6. gas heater as claimed in claim 3, which is characterized in that the blower passes through blower current feedback circuit and institute
Master controller electrical connection is stated, the blower current feedback circuit is the electric current letter of blower described in the master controller Real-time Feedback
Number；The blower is electrically connected by rotation speed of fan feed circuit with the master controller, and the rotation speed of fan feed circuit is institute
State the tach signal of blower described in master controller Real-time Feedback.
7. gas heater as claimed in claim 3, which is characterized in that the environment temperature sensor is arranged in gas and hot water
In the discharge chamber of device water tank upper.
8. gas heater as claimed in claim 3, which is characterized in that gas heater is arranged in the flow sensor
On water inlet pipe or outlet pipe.
9. gas heater as claimed in claim 3, which is characterized in that the influent side temperature sensor setting is in combustion gas heat
On the water inlet pipe of hydrophone.
10. gas heater as claimed in claim 3, which is characterized in that the water outlet side temperature sensor is arranged in combustion gas
On the outlet pipe of water heater.
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| CN201910560816.2A CN110186200B (en) | 2019-06-26 | 2019-06-26 | Combustion anti-freezing control method and gas water heater using same |
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| CN201910560816.2A CN110186200B (en) | 2019-06-26 | 2019-06-26 | Combustion anti-freezing control method and gas water heater using same |
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| CN110779213A (en) * | 2019-08-31 | 2020-02-11 | 能率(中国)投资有限公司 | Anti-freezing method for domestic gas water heater |
| CN111365852A (en) * | 2020-03-02 | 2020-07-03 | 华帝股份有限公司 | Automatic anti-freezing method for water heater and anti-freezing water heater |
| CN112128986A (en) * | 2020-08-28 | 2020-12-25 | 青岛经济技术开发区海尔热水器有限公司 | Anti-freezing control method of water heater and water heater |
| CN113418304A (en) * | 2021-05-24 | 2021-09-21 | 青岛经济技术开发区海尔热水器有限公司 | Control method, device and equipment of water heater and computer readable storage medium |
| CN114440469A (en) * | 2022-02-09 | 2022-05-06 | 宁波方太厨具有限公司 | Anti-freezing control method and system for water heater, gas water heater and medium |
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| CN110186200B (en) | 2024-01-05 |
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