CN110307634A - Water channel system for gas water heater, gas water heater and control method of gas water heater - Google Patents
Water channel system for gas water heater, gas water heater and control method of gas water heater Download PDFInfo
- Publication number
- CN110307634A CN110307634A CN201910553743.4A CN201910553743A CN110307634A CN 110307634 A CN110307634 A CN 110307634A CN 201910553743 A CN201910553743 A CN 201910553743A CN 110307634 A CN110307634 A CN 110307634A
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- Prior art keywords
- valve
- shut
- heating tube
- water
- inlet pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 90
- 239000000523 sample Substances 0.000 claims description 22
- 239000008236 heating water Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000003628 erosive 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- 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
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
- F24H9/148—Arrangements of boiler components on a frame or within a casing to build the fluid heater, e.g. boiler
-
- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a waterway system for a gas water heater, which comprises a heat exchanger, a first heating pipe, a second heating pipe, a third heating pipe, a water inlet pipeline, a water outlet pipeline, a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, wherein the first heating pipe, the second heating pipe and the third heating pipe penetrate through the heat exchanger; the first stop valve is arranged on a pipeline which is connected with one end of the water inlet pipeline, and the first heating pipe and the second heating pipe are connected with one end of the water inlet pipeline. When the water heater is used, when the temperature of inlet water is higher, the water path system is adopted, so that the stroke of water flow flowing through the heat exchanger is effectively reduced, the heat exchange contact time with high-temperature flue gas is shortened, the temperature rise at the water outlet end is reduced, and meanwhile, the water heater does not need to run at the minimum load under the condition, the combustion load is improved, and the generation of condensed water is avoided.
Description
Technical field
The invention belongs to gas heater technical fields, and in particular to a kind of water circuit system for gas heater, combustion
Gas water heater and its control method.
Background technique
With the improvement of living standards, consumer is to zero cold water function of the dual-purpose type gas heater after meeting heating and requiring
The demand of energy is increasingly urgent to.The most of gas heater released currently on the market, on the one hand, user takes a shower when summer
When, because inlet water temperature is higher, although water heater is burnt using minimum load at this time, the water temperature at water outlet of water heater end is still inclined
Height affects the experience that user comfortably bathes, while because burner is in minimum load burning, at this moment internal heat exchanger can be generated
More condensed water, the generation meeting erosive burning device and heat exchanger of condensed water, influences the service life of complete machine, on the other hand,
When user the water use peak phase use water heater when, because water route pressure is relatively low, cause water flow relatively low.
Summary of the invention
In view of this, being solved the main purpose of the present invention is to provide a kind of water circuit system for gas heater
User's water flow in peak period water is less than normal in the prior art, and in summer water, water temperature is higher, the inside of water heater
There is the problem of condensed water.
The object of the invention is also to provide a kind of water circuit systems for gas heater, including heat exchanger, first
Heating tube, the second heating tube, third heating tube, inlet pipeline, outlet pipeline, the first shut-off valve, the second shut-off valve, third cut-off
Valve, the 4th shut-off valve, first heating tube, the second heating tube, third heating tube run through the heat exchanger, and described first adds
Heat pipe, the second heating tube, third heating tube one end connect with the inlet pipeline, the other end with the outlet pipeline connect
It connects；The pipeline that first heating tube and the second heating tube are connect with described inlet pipeline one end is arranged in first shut-off valve
On, the third shut-off valve, the 4th shut-off valve are separately positioned in second heating tube and the third heating tube, institute
The second shut-off valve is stated to be arranged on the communicating pipe being arranged between second heating tube and the third heating tube.
Preferably, the third shut-off valve, the 4th shut-off valve are separately positioned on second heating tube and described
Three heating tubes are at the position of the outlet pipeline.
Preferably, second shut-off valve is positioned close to the position of the third shut-off valve and the 4th shut-off valve
Place.
Preferably, between the outlet pipeline and the inlet pipeline, it is equipped with check valve.
It preferably, further include heat supply inflow temperature probe, the heat supply inflow temperature probe is arranged on inlet pipeline.
Preferably, which further includes master controller, first shut-off valve, the second shut-off valve, third shut-off valve,
4th shut-off valve and heat supply inflow temperature probe are connect with controller.
Second technical solution of the invention is achieved in that a kind of gas heater, including water heater body, burning
Device and above-mentioned water circuit system, the burner and water circuit system are respectively arranged in the water heater body, the burner
For being heated for the water circuit system.
Third technical solution of the invention is achieved in that a kind of control method of burner water circuit system, the party
Method are as follows:
Being arranged through heat exchanger and can be connected to the first heating tube of gas heater water inlet pipe and water outlet pipe, the
Two heating tubes and third heating tube；
First section is arranged on the pipeline close to the inlet pipeline and between the second heating tube and third heating tube
Third shut-off valve is arranged in only valve in second heating tube, the 4th shut-off valve is arranged in the third heating tube, and described
The second shut-off valve is set on connecting pipeline between second heating tube and the third heating tube；It is arranged on the inlet pipeline
The heat supply inflow temperature of the instantaneous acquiring line temperature is popped one's head in, when the temperature of water in the inlet pipeline is higher than preset temperature threshold
When, the signal is fed back into controller by heat supply inflow temperature probe, the controller controls institute according to the signal of feedback
The opening and closing of the first shut-off valve, the second shut-off valve, third shut-off valve and the 4th shut-off valve is stated, to complete the circulation in heating water route.
Preferably, when the temperature of water in the inlet pipeline be higher than preset first temperature threshold when, by the heat supply into
The signal is fed back to controller by coolant-temperature gage probe, and the controller opens first shut-off valve, the according to the signal of feedback
Three shut-off valves and the 4th shut-off valve close second shut-off valve；When the temperature of water in the inlet pipeline is lower than preset the
When two temperature thresholds, is popped one's head in by the heat supply inflow temperature and the signal is fed back into controller, the controller is according to feedback
The first shut-off valve of signal-off, third shut-off valve, the 4th shut-off valve open the second shut-off valve.
Preferably, first preset temperature threshold is x, wherein 20≤x≤25 or 20≤x < 25, described second is default
Temperature threshold is y, wherein 25 y≤30 < or 25≤x < 30.
Compared with prior art, the present invention can burn by being laid out multiple heating tubes and shut-off valve in water circuit system
In the limited space of device, effectively extends as needed and shorten water flow and exchange stroke with heat exchanger；When inflow temperature is higher
When, by using the first shut-off valve, third shut-off valve, the 4th shut-off valve is opened, the water circuit system of the second shut-off valve is closed, in this way
On the one hand the stroke reduction that water flow flows through heat exchanger is realized, is reduced with the heat exchange time of contact of high-temperature flue gas, water outlet
Temperature rise can reduce, while water heater is run without minimum load under these conditions, burning load is improved, so as to avoid cold
The generation of condensate；On the other hand it also achieves because inner multi-pipe road turned in parallel, water resistance reduce, flows through the water flow of water heater
It increased, to not only avoid the problem less than normal in water use peak phase water flow, and the use for also improving user is relaxed
Appropriateness；When inflow temperature is lower, by using closing the first shut-off valve, third shut-off valve, the 4th shut-off valve, and second is opened
The water circuit system of shut-off valve, and it is effectively increased the stroke that the lower water of temperature flows through heat exchanger, effectively prevent heat
The problem of water temperature is not up to standard after exchanger heating, influences user's usage comfort.
Detailed description of the invention
Fig. 1 is a kind of knot of the water circuit system for gas heater that the embodiment of the present invention 1 provides when inflow temperature height
Structure schematic diagram；
Fig. 2 is a kind of knot of the water circuit system for gas heater that the embodiment of the present invention 1 provides when inflow temperature is relatively low
Structure schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it should be clear that, term " vertical ", " transverse direction ", " longitudinal direction ", "front", "rear",
The indicating positions such as "left", "right", "upper", "lower", "horizontal" or positional relationship are to be based on the orientation or positional relationship shown in the drawings,
It is intended merely to facilitate the description present invention, rather than means that signified device or element must have distinctive orientation or position
It sets, therefore is not considered as limiting the invention.
A kind of water circuit system for gas heater that the embodiment of the present invention 1 provides, as shown in Figure 1, including heat exchange
Device 10, the first heating tube 11, the second heating tube 12, third heating tube 13, inlet pipeline 14, outlet pipeline 15, the first shut-off valve
16, the second shut-off valve 17, third shut-off valve 18, the 4th shut-off valve 19, the first heating tube 11, the second heating tube 12, third heating
Pipe 13 run through heat exchanger 10, the first heating tube 11, the second heating tube 12, third heating tube 13 one end with the water inlet pipe
Road 14 connects, and the other end is connect with the outlet pipeline 15；The setting of first shut-off valve 16 is in first heating tube 11 and the
On the pipeline 20 that two heating tubes 12 are connect with 14 one end of inlet pipeline, third shut-off valve 18, the 4th shut-off valve 19 are separately positioned on
In second heating tube 12 and third heating tube 13, the second shut-off valve 17 is arranged between the second heating tube 12 and third heating tube 13
On the communicating pipe 21 of setting.
After adopting the above scheme, it is laid out multiple heating tubes and shut-off valve by passing through in water circuit system, it can be in burner
In limited space, effectively extends as needed and shorten water flow and exchange stroke with heat exchanger；When in use, by using
When inflow temperature is higher, the first shut-off valve 16, third shut-off valve 18, the 4th shut-off valve 19 are opened, closes the second shut-off valve 17
Water circuit system, on the one hand realize water flow flow through heat exchanger 10 stroke reduce, the heat exchange time of contact with high-temperature flue gas
It reduces, the temperature rise of water outlet can reduce, while water heater is run without minimum load under these conditions, and it is negative to improve burning
Lotus, so as to avoid the generation of condensed water；On the other hand it also achieves because of inner multi-pipe road turned in parallel, water resistance is reduced, flowed through
The water flow of water heater also increased, to improve the usage comfort of user.
Further, third shut-off valve 18, the 4th shut-off valve 19 are separately positioned on the second heating tube 12 and third heating tube
13 at the position of the outlet pipeline 15.
Further, the second shut-off valve 17 is positioned close to the position of the third shut-off valve 18 and the 4th shut-off valve 19
Place.
Further, between outlet pipeline 15 and the inlet pipeline 14, it is equipped with check valve 22.
It further, further include heat supply inflow temperature probe 141, heat supply inflow temperature probe 141 is arranged in inlet pipeline
On 14.
Further, which further includes master controller, the first shut-off valve 16, the second shut-off valve 17, third cut-off
Valve 18, the 4th shut-off valve 19 and heat supply inflow temperature probe 141 are connect with controller.
After adopting the above scheme, by the way that controller is arranged in water circuit system, heat supply is set on heat supply inlet pipeline 14
Inflow temperature probe 141, effectively realizes either under winter low temperature environment or under summer high-temperature environment, can be real
The purpose now automatically controlled, thus the problem of substitution needs manual operation.
A kind of gas heater that the embodiment of the present invention 2 provides, including institute in water heater body, burner and embodiment 1
The water circuit system stated, burner and water circuit system are respectively arranged in the water heater body, and burner is used to be the water route
System heating.
The control method of burner water circuit system in gas heater described in the embodiment 2 that the embodiment of the present invention 3 provides, should
Method are as follows:
It is arranged to run through heat exchanger 10 and the first of gas heater inlet pipeline 14 and outlet pipeline 15 can be connected to and adds
Heat pipe 11, the second heating tube 12 and third heating tube 13；
The is being arranged on inlet pipeline 14 and pipeline 20 between the second heating tube 12 and third heating tube 13
Third shut-off valve 18 is arranged in one shut-off valve 16 in the second heating tube 12, and the 4th shut-off valve 19 is arranged in third heating tube 13, and
Second shut-off valve 17 is set on connecting pipeline 21 between the second heating tube 12 and the third heating tube 13；In inlet pipeline
The heat supply inflow temperature probe 141 of the instantaneous acquiring line temperature is set on 14, when the temperature of water in inlet pipeline 14 is higher than in advance
If when temperature threshold, the signal is fed back to controller by heat supply inflow temperature probe 141, controller is according to the signal control of feedback
The opening and closing of first shut-off valve 16, the second shut-off valve 17, third shut-off valve 18 and the 4th shut-off valve 19 is made, to complete supplying hot water
The circulation on road.
Further, it when the temperature of water in inlet pipeline 14 is higher than preset first temperature threshold, is intake by heat supply warm
The signal is fed back to controller by degree probe 141, and controller opens first shut-off valve 16 according to the signal of feedback, third is cut
Only valve 18 and the 4th shut-off valve 19 close the second shut-off valve 17；When the temperature of water in inlet pipeline 14 is lower than preset second temperature
When spending threshold value, the signal is fed back into controller by heat supply inflow temperature probe 141, controller is according to the signal-off of feedback the
One shut-off valve 16, third shut-off valve 18, the 4th shut-off valve 19 open the second shut-off valve 17.
Further, the first preset temperature threshold is x, wherein 20≤x≤25 or 20≤x < 25, the second preset temperature threshold
Value is y, wherein 25 y≤30 < or 25≤x < 30.
The control method of burner water circuit system in a kind of gas heater of the present invention are as follows: gas heater is opened, it is described
The inflow temperature of 141 acquisition current gas water heater of heat supply inflow temperature probe, when current inflow temperature is higher than the first default temperature
When spending threshold value (setting the first preset temperature threshold as x, wherein 20 >=x >=25 or 20 >=x > 25), heat supply inflow temperature probe
The signal is fed back to controller by 141, and main controller opens the first shut-off valve 16, third shut-off valve 18, the according to the signal of feedback
Four shut-off valves 19 close the second shut-off valve 17 and bring into operation, to complete the circulation in heating water route.
After adopting the above scheme, as depicted in figs. 1 and 2, by being laid out multiple heating tubes and shut-off valve in water circuit system,
It can effectively extend as needed in the limited space of burner and shorten water flow and exchange stroke with heat exchanger；In use,
When inlet water temperature is higher (higher in summer temperature), the signal is fed back to controller by heat supply inflow temperature probe 141 at this time,
Controller opens the first shut-off valve 16, third shut-off valve 18, the 4th shut-off valve 19 according to the signal of feedback, and closes the second cut-off
Valve 17, so on the one hand, the stroke that water flow flows through heat exchanger 10 reduce, and reduce with the heat exchange time of contact of high-temperature flue gas, out
The temperature rise of water end (W.E.) can reduce, while water heater is run without minimum load under these conditions, burning load is improved, to keep away
The generation of condensed water is exempted from；On the other hand when user is when using water heater the water use peak phase, because of inner multi-pipe road turned in parallel
Water resistance reduces, so as to avoid the problem that water flow is relatively low and user's usage comfort is not high；When inlet water temperature is lower (in the winter
Its temperature is low) when, the signal is fed back to controller by heat supply inflow temperature probe 141 at this time, and the main controller is according to feedback
The first shut-off valve of signal-off 16, third shut-off valve 18, the 4th shut-off valve 19, and the second shut-off valve 17 is opened, in such case
Under, and the effective stroke for increasing the lower water of temperature and flowing through heat exchanger 10, after effectively preventing the heating of heat exchanger 10
The problem of water temperature is not up to standard, influences user's usage comfort.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of water circuit system for gas heater, which is characterized in that including heat exchanger (10), the first heating tube
(11), the second heating tube (12), third heating tube (13), inlet pipeline (14), outlet pipeline (15), the first shut-off valve (16),
Second shut-off valve (17), third shut-off valve (18), the 4th shut-off valve (19), first heating tube (11), the second heating tube
(12), third heating tube (13) runs through the heat exchanger (10), first heating tube (11), the second heating tube (12), the
One end of three heating tubes (13) is connect with the inlet pipeline (14), and the other end is connect with the outlet pipeline (15)；Institute
The first shut-off valve (16) setting is stated in first heating tube (11) and the second heating tube (12) and the inlet pipeline (14) one
On the pipeline (20) for holding connection, the third shut-off valve (18), the 4th shut-off valve (19) are separately positioned on described second and add
On heat pipe (12) and the third heating tube (13), second shut-off valve (17) is arranged in second heating tube (12) and institute
It states on the communicating pipe (21) being arranged between third heating tube (13).
2. a kind of water circuit system for gas heater according to claim 1, which is characterized in that the third cut-off
Valve (18), the 4th shut-off valve (19) are separately positioned on second heating tube (12) and the third heating tube (13) is close
At the position of the outlet pipeline (15).
3. a kind of water circuit system for gas heater according to claim 2, which is characterized in that second cut-off
Valve (17) is positioned close at the position of the third shut-off valve (18) and the 4th shut-off valve (19).
4. a kind of water circuit system for gas heater according to claim 1-3, which is characterized in that in institute
It states between outlet pipeline (15) and the inlet pipeline (14), is equipped with check valve (22).
5. a kind of water circuit system for gas heater according to claim 1-3, which is characterized in that also wrap
Heat supply inflow temperature probe (141) is included, the heat supply inflow temperature probe (141) is arranged on inlet pipeline (14).
6. a kind of water circuit system for gas heater according to claim 1-3, which is characterized in that the water
Road system further includes master controller, first shut-off valve (16), the second shut-off valve (17), third shut-off valve (18), the 4th section
Only valve (19) and heat supply inflow temperature probe (141) are connect with controller.
7. a kind of gas heater, which is characterized in that including water heater body, burner and such as claim 1-4 any one
The water circuit system, the burner and water circuit system are respectively arranged in the water heater body, and the burner is used for
For water circuit system heating.
8. a kind of control method of burner water circuit system, which is characterized in that this method are as follows:
Heat exchanger (10) can be run through and can be connected to the first of gas heater inlet pipeline (14) and outlet pipeline (15) by being arranged
Heating tube (11), the second heating tube (12) and third heating tube (13)；
Close to the inlet pipeline (14) and the pipeline (20) between the second heating tube (12) and third heating tube (13)
Third shut-off valve (18) are arranged on second heating tube (12) in the first shut-off valve of upper setting (16), heat in the third
It manages (13) and the 4th shut-off valve (19), and the connection between second heating tube (12) and the third heating tube (13) is set
Second shut-off valve (17) are set on pipeline (21)；The heat supply of the instantaneous acquiring line temperature is set on the inlet pipeline (14)
Inflow temperature pop one's head in (141), when the temperature of the inlet pipeline (14) interior water be higher than preset temperature threshold when, by the heat supply into
The signal is fed back to controller by coolant-temperature gage probe (141), and the controller is according to the signal of feedback control first cut-off
The opening and closing of valve (16), the second shut-off valve (17), third shut-off valve (18) and the 4th shut-off valve (19), to complete following for heating water route
Ring.
9. control method according to claim 8, which is characterized in that
When the temperature of the inlet pipeline (14) interior water is higher than preset first temperature threshold, visited by the heat supply inflow temperature
The signal is fed back to controller by head (141), and the controller opens first shut-off valve (16), the according to the signal of feedback
Three shut-off valves (18) and the 4th shut-off valve (19) close second shut-off valve (17)；When the inlet pipeline (14) interior water
When temperature is lower than preset second temperature threshold value, the signal is fed back into controller by heat supply inflow temperature probe (141),
The controller is opened according to the first shut-off valve of signal-off (16), third shut-off valve (18), the 4th shut-off valve (19) of feedback
Second shut-off valve.
10. control method according to claim 8 or claim 9, which is characterized in that first preset temperature threshold is x,
In, 20≤x≤25 or 20≤x < 25, second preset temperature threshold are y, wherein 25 y≤30 < or 25≤x < 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553743.4A CN110307634A (en) | 2019-06-25 | 2019-06-25 | Water channel system for gas water heater, gas water heater and control method of gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553743.4A CN110307634A (en) | 2019-06-25 | 2019-06-25 | Water channel system for gas water heater, gas water heater and control method of gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307634A true CN110307634A (en) | 2019-10-08 |
Family
ID=68077623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910553743.4A Pending CN110307634A (en) | 2019-06-25 | 2019-06-25 | Water channel system for gas water heater, gas water heater and control method of gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114727A1 (en) * | 2019-12-09 | 2021-06-17 | 珠海格力电器股份有限公司 | Heating system and control method therefor |
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| JP2003294322A (en) * | 2002-03-29 | 2003-10-15 | Daiwa House Ind Co Ltd | Warm water heat reservoir and heat exchanger |
| DE102005017974A1 (en) * | 2005-04-19 | 2006-11-02 | Audi Ag | Switching radiator for air conditioning system of motor vehicle, has two cooling channels that are provided with two outlet controllers, where flow of coolant is switchable between U-flow and I-flow under utilization of backflow connection |
| CN204648637U (en) * | 2015-05-14 | 2015-09-16 | 广东万和新电气股份有限公司 | The gas heater of built-in buffer tank |
| CN105402879A (en) * | 2015-12-11 | 2016-03-16 | 广东万家乐燃气具有限公司 | Condensation type gas water heater and constant-temperature control method |
| CN210772724U (en) * | 2019-06-25 | 2020-06-16 | 华帝股份有限公司 | Waterway system for gas water heater and gas water heater thereof |
-
2019
- 2019-06-25 CN CN201910553743.4A patent/CN110307634A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003294322A (en) * | 2002-03-29 | 2003-10-15 | Daiwa House Ind Co Ltd | Warm water heat reservoir and heat exchanger |
| DE102005017974A1 (en) * | 2005-04-19 | 2006-11-02 | Audi Ag | Switching radiator for air conditioning system of motor vehicle, has two cooling channels that are provided with two outlet controllers, where flow of coolant is switchable between U-flow and I-flow under utilization of backflow connection |
| CN204648637U (en) * | 2015-05-14 | 2015-09-16 | 广东万和新电气股份有限公司 | The gas heater of built-in buffer tank |
| CN105402879A (en) * | 2015-12-11 | 2016-03-16 | 广东万家乐燃气具有限公司 | Condensation type gas water heater and constant-temperature control method |
| CN210772724U (en) * | 2019-06-25 | 2020-06-16 | 华帝股份有限公司 | Waterway system for gas water heater and gas water heater thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114727A1 (en) * | 2019-12-09 | 2021-06-17 | 珠海格力电器股份有限公司 | Heating system and control method therefor |
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Application publication date: 20191008 |