CN208475456U - A kind of high power gas heating hot water furnace control system - Google Patents
A kind of high power gas heating hot water furnace control system Download PDFInfo
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- CN208475456U CN208475456U CN201820866705.5U CN201820866705U CN208475456U CN 208475456 U CN208475456 U CN 208475456U CN 201820866705 U CN201820866705 U CN 201820866705U CN 208475456 U CN208475456 U CN 208475456U
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- water heater
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- control system
- heating water
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Abstract
The utility model discloses a kind of high power gas heating hot water furnace control system, it include: master controller, the gas ratio valve and blower being connect with the master controller, it is characterized in that, the blower is only to have high-grade and low-grade Double Speed Fan, and the master controller controls the Double Speed Fan work in high-grade or low grade according to the aperture of the gas ratio valve.The utility model adapts to the size burning load of gas-heating water heater using high and low two grades of blower wind speed, so as to so that gas-heating water heater small-power load section run when, also there can be higher combustion heat-exchange efficiency, improve the integrated operation heat exchange efficiency of gas-heating water heater, the effect of energy-saving and emission-reduction is embodied, while enhancing the long-time service security and stability of gas-heating water heater.Meanwhile failure rate is low, reliable for operation, great industry application value.
Description
Technical field
The utility model relates to fluid heater technical fields more particularly to a kind of high power gas water heater for heating to control
System.
Background technique
The conventional gas-heating water heater bigger for maximum power load, the ratio of minimum load and peak load
It can be 0.16, i.e., the gas-heating water heater for being 42kW for rated load, minimum load can reach 7kW, reuse at this time
With the rotation speed of fan and air quantity big load, it will decline the combustion heat-exchange efficiency of combustion gas very big, be unable to fully utilize
The calorific value of combustion gas.
In the prior art, only one constant rotational speed of conventional gas-heating water heater is matched AC blower fan, whether greatly
Load condition or Smaller load state, the revolving speed of the blower are all constant on a revolving speed.However in gas-heating water heater
In use process, different establish a capital is burnt under high-power load.The burning of Smaller load power is used for a long time, it will makes to fire
The long-term work of gas water heater for heating is unable to fully the calorific value using combustion gas in relatively low fuel gas buring heat exchange efficiency, reduces
The integrated operation heat exchange efficiency of gas-heating water heater, and can also because in the lower situation of flue gas exhaust gas temperature, generate compared with
More condensed waters influences the long-time service security and stability of gas-heating water heater.
For the heat exchange efficiency for improving gas-heating water heater, it has been proposed that using frequency conversion fan come to gas-heating in industry
Water heater air-supply.But the use of frequency conversion fan leads to the preceding production cost for the period substantial increase of gas-heating water heater, in addition, by
It is big in the mobility scale of gas-heating water heater workload, there are two kinds of heating, domestic hot-water supply functions, to also lead to frequency conversion
The service life of blower is not grown.Thus, this design does not obtain industry popularization.
Utility model content
Aiming at the problems existing in the prior art, one of the utility model be designed to provide failure rate it is low, operation can
It leans on, the ideal high power gas heating hot water furnace control system of combustion heat-exchange efficiency.
To achieve the above objectives, the utility model adopts the following technical solution.
A kind of high power gas heating hot water furnace control system, comprising: master controller, the combustion being connect with the master controller
Gas proportioning valve and blower, which is characterized in that the blower is only to have high-grade and low-grade Double Speed Fan, the master controller root
The Double Speed Fan work is controlled in high-grade or low grade according to the aperture of the gas ratio valve.
As a further illustration of the above scheme, operation display is connected on the master controller, in the operation
Display is equipped with the display module for being used to show the Double Speed Fan operational taps.
As a further illustration of the above scheme, wind pressure sensor is connected on the master controller, in the master control
Wind pressure judgment module is integrated in device processed, the wind pressure judgment module is used to judge whether wind pressure value is normal.
As a further illustration of the above scheme, the gas ratio valve is two-part gas ratio valve.
As a further illustration of the above scheme, being connected with the alarm for warning wind pressure exception on the master controller
Device issues alarm signal when judging gas-heating water heater abnormal work.
As a further illustration of the above scheme, the warning device is display, buzzer or sound broadcasting device.
The beneficial effects of the utility model are:
One, the size burning load of gas-heating water heater is adapted to using high and low two grades of blower wind speed, so as to so that
Gas-heating water heater can also have higher combustion heat-exchange efficiency when small-power load section is run, and improve gas-heating hot water
The integrated operation heat exchange efficiency of furnace, embodies the effect of energy-saving and emission-reduction, while enhancing the long-time service safety of gas-heating water heater
Stability.Meanwhile failure rate is low, reliable for operation, great industry application value.
Two, using the gas-heating water heater after Double Speed Fan, in Smaller load, because reducing the suction of additional air
Enter, improve smoke evacuation flue-gas temperature, reduces the risk because of flue gas condensing water condensation corrosion machine, while improving gas-heating
The smoke evacuation flue gas that water heater burns under from the vaporous condition of flame is horizontal, improves flue gas emission level.
Three, in conjunction with staged burners and Double Speed Fan, the combustion power load for effectively improving gas-heating water heater is applicable in
Range enhances the long-time service security and stability of gas-heating water heater.
Detailed description of the invention
Fig. 1 show high power gas water heater for heating Control system architecture block diagram provided by the utility model.
Fig. 2 show the comparison diagram that the utility model and the existing constant rotational speed AC blower fan exchange thermal efficiency influence.
Specific embodiment
In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " transverse direction ",
" longitudinal direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
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 utility model description, " at least " is meant that one or more, unless otherwise bright
It is really specific to limit.
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine
Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For
For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In utility model, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" can be with
It is directly contacted including the first and second features, also may include that fisrt feature and second feature are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
It right above second feature and oblique upper, or is only to indicate that first feature horizontal height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that first feature horizontal height is lower than second feature.
Below with reference to the attached drawing of specification, specific embodiment of the present utility model is further described, makes this reality
With novel technical solution and its benefits are clearer.It is exemplary for describing embodiment below with reference to attached drawing
, it is intended to it explains the utility model, and should not be understood as limiting the present invention.
As shown in Figure 1, a kind of high-power segmented gas-heating water heater control system, comprising: master controller 1, blower
2, wind pressure sensor 3 and gas ratio valve 4, master controller 1, blower 2, wind pressure sensor 3 and gas ratio valve 4 are all mounted on combustion
On gas water heater for heating, master controller 1 is connected with blower 2, wind pressure sensor 3 and 4 signal of gas ratio valve.
Wherein, the blower 2 is only to have high-grade and low-grade Double Speed Fan, and the master controller 1 is according to the combustion gas
The aperture of proportioning valve 4 controls the Double Speed Fan work in high-grade or low grade.
Provided in this embodiment kind of high-power segmented gas-heating water heater control system keeps gas-heating water heater
Configure it is constant, by using Double Speed Fan, in the high power gas water heater for heating using normal burner, in big load power
Under the combustion case of section, high-grade rotation speed of fan is used；Under the combustion case of Smaller load power section, turned using low-grade blower
Speed.Wind pressure sensor 3 is used simultaneously, and corresponding wind pressure value normal range (NR) is set under high and low shelves wind speed.The operation wind detected
When pressure value is fallen in wind pressure normal range (NR), determine that gas-heating water heater works normally, when the operation wind pressure value detected is fallen in
When outside wind pressure normal range (NR), gas-heating water heater abnormal work is determined；When judging gas-heating water heater abnormal work, hair
Alarm signal out such as issues alarm signal by display, buzzer or sound broadcasting device.
Specifically, defining Pmax is high-power load section, and Pmin is small-power load section.When the fortune of gas-heating water heater
When the M% of row load > peak load, determine that the gas-heating water heater is in big load power section, when gas-heating hot water
When operating load≤peak load M% of furnace, determine that the gas-heating water heater is in Smaller load power section；The M%
Value range be 30%-60%.
When bringing into operation, gas-heating water heater determines gas proportion according to the correlated inputs signal message detected
The aperture of valve.Mainboard controller 1 exports corresponding rotation speed of fan control signal, big according to the opening size of gas ratio valve
Air-blower control signal under, Double Speed Fan is run under high-grade revolving speed；Under small air-blower control signal, Double Speed Fan is in low grade
It is run under revolving speed.When gas-heating water heater is according to the signal detected, gas-heating water heater is run in small-power section Pmin,
Mainboard controller exports small air-blower control signal, runs Double Speed Fan under low-grade revolving speed.Wind pressure sensor is used simultaneously,
It is respectively arranged with corresponding wind pressure detection judgment value under high and low shift wind speed, guarantees the safety in utilization of product.With use constant speed
The wall-hung boiler of blower is compared, and using the wall-hung boiler of Double Speed Fan when Smaller load power section is run, the heat exchange efficiency of machine is higher,
A possibility that flue gas exhaust gas temperature is higher, generates condensed water is lower, and the service life is longer for product；It is run simultaneously in Smaller load
When, under low-grade rotation speed of fan, the smoke evacuation flue gas situation that gas-heating water heater burns under from flame gas is more preferable.
If will more give full play to the using effect of Double Speed Fan in conjunction with sectional combustion technology (two-part), make wall hanging
The power load use scope of furnace is bigger, and applicability is stronger.
Provided in this embodiment kind of high-power segmented gas-heating water heater control system, master controller 1 is according to combustion gas
The aperture size of current of proportioning valve 4 determines the input voltage sizes values of blower 2, and wind pressure biography is equipped on gas-heating water heater
Sensor 3 detects wind pressure situation of the gas-heating water heater under size load power section operating status, judges gas-heating hot water
Whether furnace operates in normal condition.Outside all setting options for retaining general gas-heating water heater, what master controller 1 was worn
The display items that can show the operation of rotation speed of fan height gear are additionally provided on operation display, gas-heating water heater can be viewed
Size load operating region.
As shown in Fig. 2, the gas-heating water heater of Double Speed Fan in the combustion heat-exchange efficiency of full load power section is not
Curve 1-2-3, the combustion heat-exchange efficiency using the full load power section of the gas-heating water heater after Double Speed Fan are curve 11-
21-2-3 improves gas-heating water heater in small-power load section PminHeat exchange efficiency under combustion position, wherein heat exchange efficiency
η11Greater than η1, η21Greater than η2。
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model
It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model
The protection scope of the utility model is fallen in, the protection scope of the utility model should be limited by each claim and its equivalent
It.The part not illustrated in specific embodiment is the prior art or common knowledge.
Claims (6)
1. a kind of high power gas heating hot water furnace control system, comprising: master controller, the combustion gas being connect with the master controller
Proportioning valve and blower, which is characterized in that the blower is only to have a high-grade and low-grade Double Speed Fan, the master controller according to
The aperture of the gas ratio valve controls the Double Speed Fan work in high-grade or low grade.
2. a kind of high power gas heating hot water furnace control system according to claim 1, which is characterized in that in the master
It is connected with operation display on controller, is equipped on the operation display and is used to show the Double Speed Fan operational taps
Display module.
3. a kind of high power gas heating hot water furnace control system according to claim 1, which is characterized in that in the master
It is connected with wind pressure sensor on controller, wind pressure judgment module, the wind pressure judgment module are integrated in the master controller
For judging whether wind pressure value is normal.
4. a kind of high power gas heating hot water furnace control system according to claim 1, which is characterized in that the combustion gas
Proportioning valve is two-part gas ratio valve.
5. a kind of high power gas heating hot water furnace control system according to claim 1, which is characterized in that in the master
The warning device for warning wind pressure exception is connected on controller.
6. a kind of high power gas heating hot water furnace control system according to claim 5, which is characterized in that the alarm
Device is display, buzzer or sound broadcasting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866705.5U CN208475456U (en) | 2018-06-05 | 2018-06-05 | A kind of high power gas heating hot water furnace control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866705.5U CN208475456U (en) | 2018-06-05 | 2018-06-05 | A kind of high power gas heating hot water furnace control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475456U true CN208475456U (en) | 2019-02-05 |
Family
ID=65216439
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820866705.5U Expired - Fee Related CN208475456U (en) | 2018-06-05 | 2018-06-05 | A kind of high power gas heating hot water furnace control system |
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| Country | Link |
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| CN (1) | CN208475456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626781A (en) * | 2018-06-05 | 2018-10-09 | 万家乐热能科技有限公司 | A kind of high power gas heating hot water furnace control system and control method |
-
2018
- 2018-06-05 CN CN201820866705.5U patent/CN208475456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626781A (en) * | 2018-06-05 | 2018-10-09 | 万家乐热能科技有限公司 | A kind of high power gas heating hot water furnace control system and control method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |