CN207335136U - Gas-heating water heater - Google Patents
Gas-heating water heater Download PDFInfo
- Publication number
- CN207335136U CN207335136U CN201721291048.8U CN201721291048U CN207335136U CN 207335136 U CN207335136 U CN 207335136U CN 201721291048 U CN201721291048 U CN 201721291048U CN 207335136 U CN207335136 U CN 207335136U
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- flame
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- water heater
- heating water
- burner
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Abstract
The utility model discloses a kind of gas-heating water heater.Gas-heating water heater includes burner and flame detector system.Flame detector system includes at least two flame detecting devices.At least two flame detecting devices are used to be detected the flame combustion situation of the diverse location of burner.The flame detector system of the gas-heating water heater is by setting at least two flame detecting devices to be detected with the flame combustion situation of the diverse location to burner; therefore can be judged when judging the flame combustion situation of burner based on the testing result of at least two flame detecting devices; compared with only a flame detecting device is set in the prior art; can to avoid when the unstable combustion of burner timing and caused by multiple frequent shutdown, so as to improve the accuracy rate of the breakdown judge of flame detector system.
Description
Technical field
Heater technical field is the utility model is related to, more particularly to a kind of gas-heating water heater.
Background technology
At present equipped with flame detector system in gas-heating water heater, when flame detector system detects that furnace flame is different
Chang Shi, feeds back to mainboard, mainboard control is shut down to avoid the sustained release combustion gas in the case of no igniting in stove, caused by signal
The accidents such as explosion, poisoning.
But since wind field is connected with external environment in stove, there are destabilizing factor for wind field.Or due to gas-heating heat
The output loading of water stove in itself is too low to cause wind turbine windage flame combustion situation, so that where causing flame detector system
Environment is unstable and then makes flame detector system that report failure and frequently startup-shutdown phenomenon occur, influences user's normal use.
Utility model content
The purpose of this utility model is to provide a kind of gas-heating water heater, is sentenced with improving the failure of flame detector system
Disconnected accuracy rate.
The utility model provides a kind of gas-heating water heater, including burner and flame detector system, fire defector system
System includes at least two flame detecting devices, and at least two flame detecting devices are used to fire the flame of the diverse location of burner
Burning situation is detected.
Further, at least two flame detecting devices include being used to carry out the flame combustion situation at the middle part of burner
The flame detecting device that the flame detecting device of detection and flame combustion situation for the end to burner are detected.
Further, gas-heating water heater further includes igniter, at least one at least two flame detecting devices
Flame detecting device is used for the flame combustion situation at the ignition location for the close igniter for detecting burner.
Further, gas-heating water heater further includes the control system for coupling and setting with flame detector system, control system
System is controlled gas-heating water heater according to the testing result of flame detector system.
Further, gas-heating water heater further includes warning device, when at least two flame detecting devices part or
When whole flame detecting devices are not detected by flame, control system control warning device sends alarm signal.
Based on gas-heating water heater provided by the utility model, gas-heating water heater includes burner and fire defector
System.Flame detector system includes at least two flame detecting devices.At least two flame detecting devices are used for burner
The flame combustion situation of diverse location is detected.The flame detector system of the gas-heating water heater is by setting at least two
Flame detecting device is detected with the flame combustion situation of the diverse location to burner, therefore is judging the flame of burner
It can be judged during combustion case based on the testing result of at least two flame detecting devices, with only setting one in the prior art
A flame detecting device is compared, can to avoid when the unstable combustion of burner timing and caused by multiple frequent shutdown, so as to carry
The accuracy rate of the breakdown judge of high flame detector system.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will be made apparent from.
Brief description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application,
The schematic description and description of the utility model is used to explain the utility model, does not form to the improper of the utility model
Limit.In the accompanying drawings：
Fig. 1 is the structure diagram of the gas-heating water heater of the utility model embodiment；
Fig. 2 is the principle schematic of the control method of the gas-heating water heater of the utility model embodiment.
Each reference numeral represents respectively：
1- burners；The second flame detecting devices of 2-；The first flame detecting devices of 3-；4- igniters；5- heating backwater
Pipeline；6- heating water outlets；7- domestic water water outlets；8- plate heat exchangers；9- gas ratio valves；10- fuel gas inlets；11-
Domestic water water inlet；12- water pumps；13- wind turbines；14- blast switch.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.At the same time, it should be appreciated that each shown in attached drawing for the ease of description
The size of a part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
It need not be further discussed in attached drawing afterwards.
For the ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The gas-heating water heater of the utility model embodiment includes burner and flame detector system.Flame detector system
Including at least two flame detecting devices.At least two flame detecting devices are used for the flame combustion to the diverse location of burner
Situation is detected.The flame detector system of the gas-heating water heater is by setting at least two flame detecting devices with to combustion
The flame combustion situation of the diverse location of burner is detected, therefore can be based on when judging the flame combustion situation of burner
The testing result of at least two flame detecting devices is judged, with only setting a flame detecting device phase in the prior art
Than, can to avoid when the unstable combustion of burner timing and caused by multiple frequent shutdown, so as to improve flame detector system
The accuracy rate of breakdown judge.
The control method of the gas-heating water heater of the utility model embodiment, includes the following steps：
Obtain the testing result of at least two flame detecting devices；
Gas-heating water heater is controlled according to the testing result of at least two flame detecting devices.
The control method of the gas-heating water heater of the utility model embodiment is controlled to gas-heating water heater
When be to be controlled according to the testing result of at least two flame detecting devices, therefore can be to avoid when the burning of burner
Multiple frequent shutdown caused by when unstable, so as to improve the accuracy rate of the breakdown judge of flame detector system.
Below by the structure and its controlling party according to Fig. 1 and Fig. 2 to the gas-heating water heater of the utility model embodiment
Method is described in detail.
As shown in Figure 1, the gas-heating water heater of the utility model embodiment includes burner 1 and flame detector system.
Flame detector system includes the first flame detecting device 3 and the second flame detecting device 2 being arranged on burner 1.First fire
3 and second flame detecting device 2 of flame detection device is respectively arranged at the diverse location on burner 1, thus can be to burning
Flame combustion situation at the diverse location of device 1 is detected.For example, when the flame combustion of burner 1 is unstable, in combustion
The flame combustion situation of the diverse location of burner 1 is different, may the first flame detecting device 3 be not detected by flame, but second
Flame detecting device 2 can detect flame, avoid the need for controlling gas-heating water heater to shut down at once at this time.And the prior art
In flame detector system there was only a flame detecting device, when the flame detecting device is not detected by flame, control system
At once gas-heating water heater can be controlled to shut down, and the flame at burner other positions is in the shape of normal combustion in fact
State, and only because combustion instability and there is no flame at position where causing flame detecting device temporarily, therefore at this time
Shutdown operation belongs to erroneous judgement.In summary, the flame detector system of the present embodiment is by setting two flame detecting devices can be with
Secondary judgement is carried out to the combustion case of the flame of burner, so as to improve the accuracy rate of the breakdown judge of flame detector system.
In a unshowned embodiment of attached drawing, more than two flame detecting devices can also be set with more accurately
The flame combustion situation of burner is detected.Certainly, when more than two flame detecting devices are set, its manufacture cost and
The problems such as assembly space, is required to consider.It is design that flame detector system shown in the present embodiment, which includes two flame detecting devices,
People is obtained from by comprehensive analysis and considering.
In order to be more accurately detected to the flame combustion situation of burner, two in the present embodiment fire defector dress
Put and be directly arranged on burner 1.
In a unshowned embodiment of attached drawing, flame detecting device can also be arranged on its of gas-heating water heater
His position, as long as being able to detect that the combustion case of flame, for example, flame detecting device can be arranged at gas-heating
On the housing of water heater, as long as the position correspondence of its burner detected for detecting the position of the induction part of flame and its to need
Setting.
Specifically in the present embodiment, the first flame detecting device 3 be used for the flame combustion situation at the middle part of burner into
Row detection.Second flame detecting device 2 is used to be detected the flame combustion situation of the end of burner.In general, fire
The flame combustion situation at the middle part of burner 1 is relatively stablized, and the flame combustion situation of the end of burner 1 is more unstable.Therefore originally
Embodiment is respectively provided with a flame detecting device with more accurately to the flame combustion situation of burner at middle part and end respectively
Judge, for example, when the first flame detecting device 3 is not detected by flame, continue the inspection according to the second flame detecting device 2
Result is surveyed to be controlled.If the second flame detecting device 2 does not also detect flame, gas-heating can be controlled hot immediately
Water stove is shut down.But if the second flame detecting device 2 detects flame at this time, it can continue to control gas-heating hot water
Stove normal operation, after device flameholding to be combusted, obtains the testing result of the first flame detecting device 3 again, if the first fire
Flame detection device 3 detects flame at this time, then gas-heating water heater normal operation is controlled, if the first flame detecting device 3
Flame is still not detected by this time, then controls gas-heating water heater to shut down.
Preferably, the gas-heating water heater of the present embodiment further includes igniter 4.In at least two flame detecting devices
At least one flame detecting device is used for the flame combustion situation at the ignition location for the close igniter 4 for detecting burner.
Since the flame combustion situation at the ignition location of igniter 4 is usually relatively stablized, by least one flame detecting device
The probability of failure erroneous judgement can be reduced by being arranged at the ignition location of igniter 4.
Preferably, gas-heating water heater further includes the control system for coupling and setting with flame detector system, control system
Gas-heating water heater is controlled according to the testing result of flame detector system.
In order to allow user to obtain the working condition of gas-heating water heater, the gas-heating hot water of the present embodiment in time
Stove further includes warning device.When part or all of flame detecting device is not detected by flame at least two flame detecting devices
When, control system control warning device sends alarm signal.User can be to gas-heating hot water after alarm signal is received
The associated components of stove are checked to ensure that in preferable working status.
As shown in Figure 1, the gas-heating water heater of the present embodiment further includes wind turbine 13 and blast switch 14.
In order to adjust the gas supply of burner, the gas-heating water heater of the present embodiment, which further includes, is arranged at combustion
Gas ratio valve 9 between gas import 10 and burner 1.
The gas-heating water heater of the present embodiment can not only provide heating hot water but also can provide domestic water.Such as Fig. 1 institutes
Show, heating water outlet 6 is used to export heating hot water.And heating hot water by heating water return pipeline 5 return to the top of burner 1 with
Form circulation.And domestic water water outlet 7 is used to export the domestic water by heating, domestic water water inlet 11 is used to input
Unheated domestic water, and unheated domestic water is with passing through the heating hot water of the heating of burner 1 in plate heat exchanger 8
Heat exchange is carried out to form the domestic water by heating and be exported by domestic water water outlet 7.
The gas-heating water heater of the present embodiment further includes water pump 12.Water pump 12 will be returned to by exothermic heating with water pump
Continue heating in heating water return pipeline 5 to form heating circulation.
On startup, wind turbine 13 first starts the gas-heating water heater of the present embodiment, when blast switch 14 detects wind turbine
Signal is fed back into control system during 13 startup.Control system control igniter 4 light a fire, gas ratio valve 9 open with
Start delivery of fuel gas.After lighting a fire successfully, flame is spread in 1 upper surface of burner, lights other fire rows.Flame detecting device is used
In detecting whether to light a fire successfully, avoid lighting a fire it is unsuccessful in the case of, gas ratio valve 9 continues delivery of fuel gas, causes safety hidden
Suffer from.
The control method of the gas-heating water heater of the present embodiment is described in detail below：
The control method of the gas-heating water heater of the utility model embodiment, includes the following steps：
Obtain the testing result of at least two flame detecting devices；
Gas-heating water heater is controlled according to the testing result of at least two flame detecting devices.
The control method of the gas-heating water heater of the utility model embodiment is controlled to gas-heating water heater
When be to be controlled according to the testing result of at least two flame detecting devices, therefore can be to avoid when the burning of burner
Multiple frequent shutdown caused by when unstable, so as to improve the accuracy rate of the breakdown judge of flame detector system.
Specifically in the present embodiment, if the first flame detecting device 3 detects flame, control gas-heating water heater is normal
Operation.If the first flame detecting device 3 is not detected by flame, according to the testing result of the second flame detecting device 2 to combustion gas
Water heater for heating is controlled.
As shown in Fig. 2, when burner combustion is unstable, the testing result of the first flame detecting device 3 is obtained first.If
First flame detecting device 3 detects flame, then controls gas-heating water heater normal operation；If the first flame detecting device 3
Flame is not detected by, then continues to obtain the testing result of the second flame detecting device 2.
If the second flame detecting device 2 detects flame, gas-heating water heater normal operation is controlled；If the second flame is examined
Survey device 2 and be not detected by flame, control gas-heating water heater is shut down.
Since in unstable combustion, periodically, being normally at the flame of the end of burner can stop working at first, therefore the present embodiment
Control method unstable combustion timing first obtain positioned at burner tip the first flame detecting device testing result, when
First flame detecting device detects that flame can then control normal operation.Certain control method is preferred embodiment, and
Not limited to this, can also first obtain the testing result of the second flame detecting device.
In order to ensure the safe operation of gas-heating water heater, the control method of the present embodiment includes：If in the first setting
The second flame detecting device detects flame in period, controls gas-heating water heater normal operation；If when first sets
Between in section the second flame detecting device be not detected by flame, control gas-heating water heater is shut down.By one setting when
Between judge whether the second flame detecting device can detect flame in section so that the control method of the present embodiment is relatively reliable.
Preferably, in order to further improve the reliability of the control method of the present embodiment and accuracy, the present embodiment
Control method also needs to obtain the first flame detecting device again after the testing result of the second flame detecting device is obtained
Testing result.
Specifically, the control method of the present embodiment further includes：If the second flame detecting device detects flame, combustion gas is controlled
Water heater for heating normal operation, and the testing result of the first flame detecting device is obtained after the second set period of time, if first
Flame detecting device detects flame, gas-heating water heater normal operation is controlled, if the first flame detecting device is not detected by
Flame, control gas-heating water heater are shut down.It is arranged such and avoids gas-heating water heater in the only local combustion of burner
Continue to run with and try to avert accidents in the case of burning.For example, when there is flame combustion at the middle part of burner always, and end is always
There is no flame combustion.When the first flame detecting device 3 is not detected by flame, the second flame detecting device 2 detects flame, then
Control gas-heating water heater normal operation.If judged without further, there may be burner end always
Fireless situation, there is sustained release combustion gas and causes the danger of accident at this time.And further judged again, after
The continuous testing result for obtaining the first flame detecting device 3：When the first flame detecting device 3 detects flame, then continuation is normal transports
OK, when the first flame detecting device 3 is still not detected by flame, then control water heater for heating is shut down.
In order to make the further of the control method of the present embodiment judge more accurately to bring to avoid combustion instability
Detection error, the control method of the present embodiment need to obtain the first flame detecting device 3 again after the second set period of time
Testing result.After the second set period of time, burner is in the state of burning is stablized, therefore the first flame is examined at this time
The testing result for surveying device 3 is relatively reliable.Specifically in practical applications, the second setting time can be set according to actual conditions
The length of section.
Finally it should be noted that：Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it should all cover in the claimed technical solution of the utility model
Among scope.
Claims (5)
- A kind of 1. gas-heating water heater, it is characterised in that including burner and flame detector system, the flame detector system Including at least two flame detecting devices, at least two flame detecting device is used for the diverse location of the burner Flame combustion situation is detected.
- 2. gas-heating water heater according to claim 1, it is characterised in that at least two flame detecting devices bag Include the flame detecting device that is detected for the flame combustion situation at the middle part to the burner and for the burning The flame detecting device that the flame combustion situation of the end of device is detected.
- 3. gas-heating water heater according to claim 1, it is characterised in that the gas-heating water heater further includes a little Fiery device, at least one flame detecting device is used to detect the close of the burner at least two flame detecting device Flame combustion situation at the ignition location of the igniter.
- 4. gas-heating water heater according to any one of claim 1 to 3, it is characterised in that the gas-heating heat Water stove further includes the control system for coupling and setting with the flame detector system, and the control system is according to the fire defector system The testing result of system is controlled the gas-heating water heater.
- 5. gas-heating water heater according to claim 4, it is characterised in that the gas-heating water heater further includes report Alarm device, it is described when part or all of flame detecting device is not detected by flame at least two flame detecting device Control system controls the warning device to send alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291048.8U CN207335136U (en) | 2017-10-09 | 2017-10-09 | Gas-heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291048.8U CN207335136U (en) | 2017-10-09 | 2017-10-09 | Gas-heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335136U true CN207335136U (en) | 2018-05-08 |
Family
ID=62367962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721291048.8U Active CN207335136U (en) | 2017-10-09 | 2017-10-09 | Gas-heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490178A (en) * | 2017-10-09 | 2017-12-19 | 珠海格力电器股份有限公司 | Gas-heating water heater and its control method |
| CN112963859A (en) * | 2021-03-12 | 2021-06-15 | 华能(广东)能源开发有限公司海门电厂 | Boiler critical flame protection misoperation prevention regulation and control system |
-
2017
- 2017-10-09 CN CN201721291048.8U patent/CN207335136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490178A (en) * | 2017-10-09 | 2017-12-19 | 珠海格力电器股份有限公司 | Gas-heating water heater and its control method |
| CN107490178B (en) * | 2017-10-09 | 2023-10-31 | 珠海格力电器股份有限公司 | Gas heating water heater and control method thereof |
| CN112963859A (en) * | 2021-03-12 | 2021-06-15 | 华能(广东)能源开发有限公司海门电厂 | Boiler critical flame protection misoperation prevention regulation and control system |
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