CN108679852A - A kind of gas heater with gas flowmeter - Google Patents
A kind of gas heater with gas flowmeter Download PDFInfo
- Publication number
- CN108679852A CN108679852A CN201810676746.2A CN201810676746A CN108679852A CN 108679852 A CN108679852 A CN 108679852A CN 201810676746 A CN201810676746 A CN 201810676746A CN 108679852 A CN108679852 A CN 108679852A
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- China
- Prior art keywords
- gas
- water
- flow
- master controller
- heater
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Links
- 239000007789 gas Substances 0.000 claims description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000000567 combustion gas Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 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
Landscapes
- 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)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention discloses a kind of gas heater with gas flowmeter, including：Gas heater ontology is equipped with heat exchanger, the burner that heat is provided for the heat exchanger, the gas ratio valve being connect with the burner by air inlet pipeline and the master controller being connect with the gas ratio valve on the gas heater ontology；It is characterized in that, the gas flowmeter for being used for detecting current gas flow is equipped on the air inlet pipeline, the gas flowmeter is connect with the master controller, the master controller include size comparison module for comparing current gas flow and actually required gas flow and the Signal Regulation fed back according to the comparison module described in gas proportion valve opening execution module.The setting of gas ratio valve minimum aperture, maximum opening need not be carried out when production, production efficiency is high and reduces the influence that human error is brought；And avoid the embarrassment of summer inflow temperature height, the low no adjustable extent of user family's admission pressure.
Description
Technical field
The present invention relates to fluid heater technical field more particularly to a kind of gas heaters with gas flowmeter.
Background technology
Existing gas heater needs manually to carry out setting adjusting to the parameter of water heater in production, is limited to water heater
One minimum tolerance and maximum tolerance, the i.e. minimum aperture and maximum opening of gas ratio valve, the gas ratio valve of different structure
It need to sample to determine that specific aperture, adjustment process can be because of throughput rate, gas ratio valve parameter drift or other human factors
It causes a deviation, influences the performance of complete machine, phenomena such as underload is flame-out, peak load is not up to standard occur.Because of the limitation of minimum aperture,
Summer inflow temperature is relatively high, will appear water overheat；Because of the limitation of maximum opening, user's family is if admission pressure is too low
It burns less than set temperature.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide set when a kind of production without carrying out aperture
The fixed, gas heater with gas flowmeter.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of gas heater with gas flowmeter, including：Gas heater ontology, in the gas heater ontology
On heat exchanger is installed, the burner that heat is provided for the heat exchanger, the combustion being connect with the burner by air inlet pipeline
Gas proportioning valve and the master controller being connect with the gas ratio valve；It is used it is characterized in that, being equipped on the air inlet pipeline
The gas flowmeter of current gas flow is detected, the gas flowmeter is connect with the master controller, the master controller
It include size comparison module for comparing current gas flow and actually required gas flow and according to the comparison module
The execution module of gas proportion valve opening described in the Signal Regulation of feedback.
As a further illustration of the above scheme, actually required gas flow is by inflow temperature, flow of inlet water and setting
Hot water temperature determines.
As a further illustration of the above scheme, be equipped on the gas heater ontology water flow sensor and into
Water prode, the water flow sensor are used for detecting the water flow for flowing through the heat exchanger, it is described into water prode be used for detecting into
Enter the cold water temperature of the heat exchanger.
Actually required gas flow V2It is calculated by the following formula out：
In formula, η represents the thermal efficiency, HlRepresent combustion gas low heat value, CpWater specific heat is represented, is constant, t0It represents into water temperature
Degree is measured by described into water prode, V1Water flow is represented, is measured by water flow sensor；If the gas flowmeter detection
The throughput arrived is more than actually required gas flow V2, then control the gas proportion valve opening and reduce；If gas flowmeter
The throughput detected is less than actually required gas flow V2, then control the gas proportion valve opening and increase.
As a further illustration of the above scheme, actually required gas flow is to be solidificated in the master controller memory module
Interior empirical value.
As a further illustration of the above scheme, hot-water outlet pipe is connected on the heat exchanger, in the hot-water outlet pipe
It is equipped with and goes out water prode with what the master controller was connect；The master controller goes out the hot water temperature that water prode detects according to
Angle value and hot water temperature's value of setting are finely adjusted the aperture of gas ratio valve.
As a further illustration of the above scheme, being connected on the master controller for real-time display gas flow
Display.
As a further illustration of the above scheme, being connected with warning device on the master controller, work as gas heater
When not working, if the gas flowmeter has detected airflow signal, controls the warning device and send out alarm signal.
As a further illustration of the above scheme, the warning device is buzzer or voice prompt device.
As a further illustration of the above scheme, the master controller is calculated according to the signal that the gas flowmeter is fed back
Go out device gas, and the device gas is shown by display.
The beneficial effects of the invention are as follows：
One, current gas flow is acquired using gas flowmeter, and is adjusted come accurate in real time using comparison module, execution module
The aperture of gas fuel saving proportioning valve, when production, need not carry out the setting of gas ratio valve minimum aperture, maximum opening, production efficiency
The influence that high and reduction human error is brought；And avoid summer inflow temperature height, the low no adjustable extent of user family's admission pressure
Embarrassment.
Two, the energy current air consumption of Real-time Feedback water heater, facilitates master controller to be adjusted, user can check heat at any time
The current gas consumption of hydrophone, accumulative gas consumption；
Three, throughput has been detected when gas heater is standby, alarm user, safety is good.
Description of the drawings
Fig. 1 show the gas heater structural schematic diagram provided by the invention with gas flowmeter.
Fig. 2 show the gas heater control principle block diagram provided by the invention with gas flowmeter.
Reference sign：
1：Gas heater ontology, 2：Heat exchanger, 3：Burner, 4：Air inlet pipeline, 5：Gas ratio valve, 6：Main control
Device, 7：Gas flowmeter, 8：Water flow sensor, 9：Into water prode, 10：Hot-water outlet pipe, 11：Go out water prode, 12：Display,
13：Warning device.
Specific implementation mode
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term "center" for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and position relationship are orientation based on ... shown in the drawings or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, device is not indicated or implied the indicated or element is necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as the specific protection domain of the limitation present invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can also be that machinery connects
It connects；It can be directly connected, can also be to be connected by intermediary, can be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature the "upper" of second feature or "lower" may include
First and second features are in direct contact, can also include fisrt feature and second feature not be in direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right over two features and oblique upper, or be only to indicate that fisrt feature level height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table
Show that fisrt feature level height is less than second feature.
With reference to the attached drawing of specification, the specific implementation mode of the present invention is further described, makes the present invention's
Technical solution and advantage are clearer, clear.Embodiment is described below with reference to attached drawing to be exemplary, it is intended to solve
The present invention is released, and is not considered as limiting the invention.
As shown in Figure 1 and Figure 2, a kind of gas heater with gas flowmeter, including：Gas heater ontology 1, in institute
State and heat exchanger 2 be installed on gas heater ontology 1, burner 3 that heat is provided for the heat exchanger 2, by air inlet pipeline 4
The gas ratio valve 5 being connect with the burner 3 and the master controller 6 being connect with the gas ratio valve 5；Its feature exists
In equipped with the gas flowmeter 7 for being used for detecting current gas flow, the gas flowmeter 7 and institute on the air inlet pipeline 4
The connection of master controller 6 is stated, the master controller 6 includes the size for comparing current gas flow and actually required gas flow
Comparison module and according to the comparison module feedback Signal Regulation described in 5 aperture of gas ratio valve execution module.
Wherein, actually required gas flow is determined by inflow temperature, flow of inlet water and the hot water temperature of setting.The present embodiment
In, water flow sensor 8 is preferably installed on the gas heater ontology 1 and into water prode 9, the water flow sensor
8 are used for detecting the water flow for flowing through the heat exchanger 2, described to be used for detecting the cold water temperature into the heat exchanger 2 into water prode 9
Degree；Actually required gas flow V2It is calculated as follows by computing module：
In formula, η represents the thermal efficiency, HlRepresent combustion gas low heat value, CpWater specific heat is represented, is constant, t0It represents into water temperature
Degree is measured by described into water prode, V1Water flow is represented, is measured by water flow sensor.If the gas flowmeter detection
The throughput arrived is more than actually required gas flow V2, then control the gas proportion valve opening and reduce；If gas flowmeter
The throughput detected is less than actually required gas flow V2, then control the gas proportion valve opening and increase.In other implementations
In mode, actually required gas flow may be the empirical value being solidificated in the master controller memory module.
Preferably, it is equipped on the hot-water outlet pipe 10 of the heat exchanger 2 and goes out water prode with what the master controller 6 was connect
11；The master controller 6 according to it is described go out the hot water temperature's value of hot water temperature's value and setting that detects of water prode 11 to combustion gas
The aperture of proportioning valve 5 is finely adjusted, to play the accuracy and constant temperature effect of temperature control.
It is further preferred that being connected with display 12 on the master controller 6, the master controller 6 is according to the gas
The signal that flowmeter body 7 is fed back calculates device gas, and shows device gas and current gas flow, side by display 12
Just user checks the current gas consumption of gas heater, accumulative gas consumption at any time.
It is further preferred that warning device 13 is connected on the master controller 6, when gas heater does not work
When, if the gas flowmeter 7 has detected airflow signal, controls the warning device 13 and send out alarm signal.It is described
Warning device is buzzer or voice prompt device.
A kind of gas heater with gas flowmeter provided in this embodiment acquires current gas using gas flowmeter
Flow, and using comparison module, execution module come the aperture of real-time accurate regulating gas proportioning valve, when production, need not be fired
The setting of gas proportioning valve minimum aperture, maximum opening, production efficiency is high and reduces the influence that human error is brought；And avoid summer
The embarrassment of inflow temperature height, the low no adjustable extent of user family's admission pressure.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office
It is limited to above-mentioned specific implementation mode, uses the improvement of techniques well known and replacement to all fall within this hair on the basis of the present invention
Bright protection domain, protection scope of the present invention should limit it by each claim and its equivalent.In specific implementation mode
The part not illustrated is the prior art or common knowledge.
Claims (9)
1. a kind of gas heater with gas flowmeter, including：Gas heater ontology, on the gas heater ontology
Heat exchanger is installed, the burner that heat is provided for the heat exchanger, the combustion gas being connect with the burner by air inlet pipeline
Proportioning valve and the master controller being connect with the gas ratio valve；It is used for it is characterized in that, being equipped on the air inlet pipeline
The gas flowmeter of current gas flow is detected, the gas flowmeter is connect with the master controller, the master controller packet
Include size comparison module for comparing current gas flow and actually required gas flow and anti-according to the comparison module
The execution module of gas proportion valve opening described in the Signal Regulation of feedback.
2. a kind of gas heater with gas flowmeter according to claim 1, which is characterized in that actually required combustion gas
Flow is determined by inflow temperature, flow of inlet water and the hot water temperature of setting.
3. a kind of gas heater with gas flowmeter according to claim 2, which is characterized in that in combustion gas heat
Water flow sensor is installed on hydrophone ontology and into water prode, the water flow sensor is used for detecting flowing through the heat exchanger
Water flow, it is described to be used for detecting the cold water temperature into the heat exchanger into water prode；
Actually required gas flow V2It is calculated by the following formula out：
In formula, η represents the thermal efficiency, HlRepresent combustion gas low heat value, CpWater specific heat is represented, is constant, t0Represent inflow temperature, by
It is described to be measured into water prode, V1Water flow is represented, is measured by water flow sensor；
If the throughput that the gas flowmeter detects is more than actually required gas flow V2, then the gas proportion is controlled
Valve opening reduces；If the throughput that gas flowmeter detects is less than actually required gas flow V2, then the combustion gas is controlled
Ratio valve opening increases.
4. a kind of gas heater with gas flowmeter according to claim 2, which is characterized in that actually required combustion gas
Flow is the empirical value being solidificated in the master controller memory module.
5. a kind of gas heater with gas flowmeter according to claim 1, which is characterized in that in the heat exchanger
On be connected with hot-water outlet pipe, be equipped on the hot-water outlet pipe and with what the master controller was connect go out water prode；The main control
Hot water temperature's value that device goes out hot water temperature's value and setting that water prode detects according to carries out the aperture of gas ratio valve
Fine tuning.
6. a kind of gas heater with gas flowmeter according to claim 1, which is characterized in that in the main control
The display for real-time display gas flow is connected on device.
7. a kind of gas heater with gas flowmeter according to claim 1, which is characterized in that in the main control
Warning device is connected on device, when gas heater does not work, if the gas flowmeter has detected airflow signal,
It controls the warning device and sends out alarm signal.
8. a kind of gas heater with gas flowmeter according to claim 7, which is characterized in that the warning device
For buzzer or voice prompt device.
9. a kind of gas heater with gas flowmeter according to claim 1, which is characterized in that the master controller
The signal fed back according to the gas flowmeter calculates device gas, and shows the device gas by display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676746.2A CN108679852A (en) | 2018-06-27 | 2018-06-27 | A kind of gas heater with gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676746.2A CN108679852A (en) | 2018-06-27 | 2018-06-27 | A kind of gas heater with gas flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679852A true CN108679852A (en) | 2018-10-19 |
Family
ID=63812224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676746.2A Pending CN108679852A (en) | 2018-06-27 | 2018-06-27 | A kind of gas heater with gas flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679852A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741674A (en) * | 2019-03-13 | 2019-05-10 | 中国计量大学 | A kind of fire disaster simulation device design method and system |
| CN110207391A (en) * | 2018-10-30 | 2019-09-06 | 华帝股份有限公司 | Gas flow control method of gas water heater |
| CN110631262A (en) * | 2019-08-09 | 2019-12-31 | 珠海格力电器股份有限公司 | Gas consumption query method and system |
Citations (6)
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|---|---|---|---|---|
| JPH0842847A (en) * | 1994-07-29 | 1996-02-16 | Rinnai Corp | Combustion apparatus |
| JP2001324217A (en) * | 2000-05-16 | 2001-11-22 | Tokyo Gas Co Ltd | Gas water heater |
| JP2005016927A (en) * | 2003-06-04 | 2005-01-20 | Noritz Corp | Gas combustion device |
| CN204786530U (en) * | 2015-06-06 | 2015-11-18 | 陈雄 | Gas utensil gas consumption real time monitoring and bad news gas total amount monitored control system |
| CN105222362A (en) * | 2015-10-29 | 2016-01-06 | 艾欧史密斯(中国)热水器有限公司 | The control system of gas-fired water heater |
| CN208606411U (en) * | 2018-06-27 | 2019-03-15 | 广东万家乐燃气具有限公司 | A kind of gas heater with gas flowmeter |
-
2018
- 2018-06-27 CN CN201810676746.2A patent/CN108679852A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842847A (en) * | 1994-07-29 | 1996-02-16 | Rinnai Corp | Combustion apparatus |
| JP2001324217A (en) * | 2000-05-16 | 2001-11-22 | Tokyo Gas Co Ltd | Gas water heater |
| JP2005016927A (en) * | 2003-06-04 | 2005-01-20 | Noritz Corp | Gas combustion device |
| CN204786530U (en) * | 2015-06-06 | 2015-11-18 | 陈雄 | Gas utensil gas consumption real time monitoring and bad news gas total amount monitored control system |
| CN105222362A (en) * | 2015-10-29 | 2016-01-06 | 艾欧史密斯(中国)热水器有限公司 | The control system of gas-fired water heater |
| CN208606411U (en) * | 2018-06-27 | 2019-03-15 | 广东万家乐燃气具有限公司 | A kind of gas heater with gas flowmeter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207391A (en) * | 2018-10-30 | 2019-09-06 | 华帝股份有限公司 | Gas flow control method of gas water heater |
| CN109741674A (en) * | 2019-03-13 | 2019-05-10 | 中国计量大学 | A kind of fire disaster simulation device design method and system |
| CN110631262A (en) * | 2019-08-09 | 2019-12-31 | 珠海格力电器股份有限公司 | Gas consumption query method and system |
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