CN103090536A - Heat pump water heater system and control method and device thereof - Google Patents
Heat pump water heater system and control method and device thereof Download PDFInfo
- Publication number
- CN103090536A CN103090536A CN2011103436220A CN201110343622A CN103090536A CN 103090536 A CN103090536 A CN 103090536A CN 2011103436220 A CN2011103436220 A CN 2011103436220A CN 201110343622 A CN201110343622 A CN 201110343622A CN 103090536 A CN103090536 A CN 103090536A
- Authority
- CN
- China
- Prior art keywords
- water
- heat pump
- water tank
- temperature
- pipeline
- Prior art date
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 250
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 82
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a heat pump water heater system and a control method and device thereof. The heat pump water heater system comprises one or more integrated machines, wherein the integrated machines comprise: a water tank; a first temperature sensor for detecting a temperature of water in the water tank; and the solenoid valve, heat pump water heater system still includes: and the controller is respectively connected with the temperature sensor and the electromagnetic valve and is used for controlling the electromagnetic valve to be closed when the temperature sensor detects that the water temperature in the water tank is lower than a first preset temperature, wherein when the electromagnetic valve is opened, the water tank discharges water and feeds water, and when the electromagnetic valve is closed, the water tank stops discharging water and feeds water. According to the invention, when any one integral machine in the heat pump water heater system breaks down, the electromagnetic valve is controlled to be closed in time, so that the integral machine is prevented from outputting cold water to the water supply end, and the heat pump water heater system can be ensured to continuously output hot water.
Description
Technical field
The present invention relates to the hot water machine field, in particular to a kind of heat pump water-heating machine system and control method and device.
Background technology
At present, on market, very complex is installed by air source heat pump water heater hot-water system, namely uses one or more integrated machines in a water-heating machine system, and each integrated machine is connected to a common open water tank, and the hot water in this water tank is heated.This integrated machine is integrated in the devices such as compressor, cut-off equipment, heat exchanger in a casing, make an integral body, this integrated machine is not comprise water tank, so when mounted, not only need water tank and user side are connected and installed, also need integrated machine and water tank are connected and installed, increased field erected operation and man-hour, but also occupied larger installing space.
In order to address the above problem, some producers begin water tank and heat pump are integrated in a casing, make integrated machine, and this integrated machine only need arrange intake-outlet, only need when installing at the scene that the Inlet and outlet water of integrated machine is connected to user water route end and get final product.But, be to control separately between each integrated machine, the control of unit self is depended in its water outlet and water inlet fully, in the use procedure of such heat pump water-heating machine system, if certain integrated machine breaks down, will cause occurring cold water in the water route, thereby affect result of use.
During for certain the integrated machine fault of heat pump water-heating machine system in correlation technique, easily to the problem of user side output cold water, effective solution is proposed not yet at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of heat pump water-heating machine system and control method and device, when solving certain integrated machine fault of heat pump water-heating machine system, easily to the problem of user side output cold water.
To achieve these goals, according to an aspect of the present invention, provide a kind of heat pump water-heating machine system.
Heat pump water-heating machine system according to the present invention comprises one or more integrated machines, and wherein, this integrated machine comprises: water tank is provided with delivery port and water inlet on water tank; The first temperature sensor is for detection of the water temperature in water tank; The first pipeline is connected with the delivery port of water tank; Second pipe is connected with the water inlet of water tank; And magnetic valve, being arranged in the first pipeline or second pipe, this heat pump water-heating machine system also comprises: for water end (W.E.); The 3rd pipeline is used for being communicated with the first pipeline and supplies water end (W.E.); And controller, be connected respectively with magnetic valve with the first temperature sensor, when being used for the first water temperature that water tank detected at temperature sensor less than the first preset temperature, control closed electromagnetic valve, wherein, when magnetic valve is opened, water tank water outlet and water inlet, when closed electromagnetic valve, water tank stops water outlet and water inlet.
Further, integrated machine also comprises: the 4th pipeline is communicated with respectively with second pipe with for water end (W.E.); And first check-valves, be arranged in the 4th pipeline.
Further, heat pump water-heating machine system also comprises: the 5th pipeline is used for the external complement cold water from heat pump water-heating machine system; Integrated machine also comprises: the 6th pipeline is communicated with respectively with second pipe and the 5th pipeline; And second check-valves, be arranged in the 6th pipeline.
Further, heat pump water-heating machine system also comprises: the first stop valve is arranged in the 5th pipeline.
Further, heat pump water-heating machine system also comprises: back water pump is arranged in the 3rd pipeline.
Further, heat pump water-heating machine system also comprises: the second stop valve is arranged in the 3rd pipeline.
Further, the water tank in integrated machine is closed type water tank.
Further, this heat pump water-heating machine system also comprises: the second temperature sensor, be arranged in the 3rd pipeline, for detection of the water temperature in the 3rd pipeline, wherein, controller is connected with the second temperature sensor, wherein, controller is connected with the second temperature sensor, is used for water temperature at water tank and, controls magnetic valve and open during less than the second preset temperature more than or equal to the water temperature in the first preset temperature and the 3rd pipeline.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of heat pump water-heating machine system.
Comprise according to the control method of heat pump water-heating machine system of the present invention: detect the temperature of integrated machine water tank in heat pump water-heating machine system, wherein, heat pump water-heating machine system comprises one or more integrated machines; Judge that whether the temperature of water tank is less than the first preset temperature; And, control water tank and stop water outlet and water inlet during less than the first preset temperature in the temperature of water tank.
To achieve these goals, according to an aspect of the present invention, provide a kind of control device of heat pump water-heating machine system.
Comprise according to the control device of heat pump water-heating machine system of the present invention: detection module, for detection of the temperature of integrated machine water tank in heat pump water-heating machine system, wherein, heat pump water-heating machine system comprises one or more integrated machines; Judge module is used for judging that whether the temperature of water tank is less than the first preset temperature; And control module, when being used for temperature at water tank less than the first preset temperature, controlling water tank and stop water outlet and water inlet.
by the present invention, adopt the heat pump water-heating machine system that comprises following part: comprise one or more integrated machines, wherein, integrated machine comprises: water tank, the first temperature sensor is for detection of the water temperature in water tank, and magnetic valve, also comprise controller, be connected respectively with magnetic valve with temperature sensor, the water temperature that is used for water tank being detected at temperature sensor is during less than the first preset temperature, control closed electromagnetic valve, wherein, when magnetic valve is opened, water tank water outlet and water inlet, when closed electromagnetic valve, water tank stops water outlet and water inlet, when having solved certain integrated machine fault of heat pump water-heating machine system, easily export the problem of cold water to user side, and then reached when any integrated machine breaks down in heat pump water-heating machine system, in time control its closed electromagnetic valve, avoid this integrated machine to exporting cold water for water end (W.E.), guarantee that heat pump water-heating machine system continues the effect of output hot water.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the heat pump water-heating machine system of first embodiment of the invention;
Fig. 2 is the structural representation according to the heat pump water-heating machine system of second embodiment of the invention;
Fig. 3 is the flow chart according to the control method of the heat pump water-heating machine system of the embodiment of the present invention; And
Fig. 4 is the block diagram according to the control device of the heat pump water-heating machine system of the embodiment of the present invention.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The heat pump water-heating machine system that this specific embodiment of paper provides.
Fig. 1 is the structural representation according to the heat pump water-heating machine system of first embodiment of the invention, as shown in Figure 1, this heat pump water-heating machine system comprises integrated machine 10, wherein, this integrated machine 10 comprises water tank 11, 11 places are provided with the first temperature sensor 12 at water tank, for detection of the water temperature in water tank 11, be provided with delivery port 111 and water inlet 112 on water tank, delivery port 111 connects the first pipeline 13, water inlet 112 connects second pipe 14, be provided with magnetic valve 15 in the first pipeline 13 or in second pipe 14, when magnetic valve 15 is opened, water tank 11 water outlets and water inlet, when magnetic valve 15 cuts out, water tank 11 stops water outlet and water inlet.
In integrated machine 10 outsides, heat pump water-heating machine system also comprises the 3rd pipeline 20 that is communicated with respectively with the first pipeline 13 and the second pipe 14 of integrated machine 10, the 3rd pipeline 20 also with for water end (W.E.) 30 is communicated with, so that the hot water in water tank 11 flows to for water end (W.E.) 30 to user's supplying hot water via delivery port 111, the first pipeline 13 and the 3rd pipeline 20 successively, cold water after supplying hot water, then via magnetic valve 15, second pipe 14 and water inlet 112 reflow tanks 11.Heat pump water-heating machine system also comprises the controller (not shown), be connected respectively with magnetic valve 15 with the first temperature sensor 12, the water temperature that is used for water tank 11 being detected at the first temperature sensor 12 is during less than the first preset temperature, control electromagnetism 15 valves and close, water tank 11 stops water outlet and water inlet.
In order to complete the outside moisturizing of heat pump water-heating machine system, heat pump water-heating machine system also comprises: the 5th pipeline 40, be used for the external complement cold water from heat pump water-heating machine system, and also be provided with the first stop valve 70 in the 5th pipeline 40.Correspondingly, integrated machine 10 also comprises: the 6th pipeline 18, be communicated with respectively with second pipe 14 and the 5th pipeline 40, also be provided with the second check-valves 19 in the 6th pipeline, replenish thereby make water tank 11 to complete cold water by the 6th pipeline 18 in integrated machine 10 and the 5th pipeline 40 outside integrated machine 10.
Preferably, the water tank 11 in integrated machine 10 is closed type water tank, has strengthened the heat insulation effect of water tank.
Heat pump water-heating machine system also comprises: back water pump 50, be arranged in integrated machine 10 or outside integrated machine 10, for when this water-heating machine system of heat comprises a plurality of integrated machine, save cost, preferably, back water pump 50 is arranged in the 3rd pipeline 20, in this embodiment, heat pump water-heating machine system only comprises integrated machine 10, so the back water pump 50 shown in figure is placed in integrated machine.In order to facilitate user's hand off water loop under special circumstances, preferably, heat pump water-heating machine system also comprises: the second stop valve 60 is arranged in the 3rd pipeline 20.
At this integrated machine, also comprise the parts that the water in water tank 11 is heated: high-voltage switch gear 113, compressor 114, evaporimeter 115, blower fan 116 and electric expansion valve 117 pass through necessary pipeline communication between each parts.
Adopt this embodiment, 11 places arrange the first temperature sensor 12 at water tank, can detect in real time the water temperature of water tank 11, controller is to the testing result Real-Time Monitoring, and breaks down or the water temperature that causes water tank 11 due to other reasons during lower than the first preset temperature at heat pump water-heating machine system, in time controls magnetic valve 15 and closes, make whole water-flow circuit disconnect, thereby water tank 11 stops water outlet, avoids this integrated machine 10 to for water end (W.E.) 30 output cold water, guarantees that heat pump water-heating machine system continues output hot water.
In addition, heat pump water-heating machine system is fabricated to the integral type integrated machine with device matching such as the compressor of source pump, heat exchanger, water tanks together, need only on project installation with respect to the Split module unit water route is installed, the omitted installation on fluorine road namely can be saved copper pipe, can save mounting cost again, be specially adapted to the central hot-water system in high-end villa, small-business place, due to integral design, whole machine installation, easy to maintenance, the fault rate of generation are also than split type little.And the volume of integrated machine unit is very little, can use the elevator carrying in building, and because its weight is lighter, can directly carry by artificial, is not subject to mechanical hoisting.
In heat pump water-heating machine system, integrated machine 10 is packaged module, only need when mounted corresponding installation pipeline to get final product, preferably, integrated machine 10 also comprises: the 4th pipeline 16, be communicated with respectively with second pipe 14 with for water end (W.E.) 30, namely an end connects second pipe 14, and the other end is used for installing the 3rd pipeline 20 of integrated machine 10 outsides, so that the 4th pipeline 16 is communicated with supplying water end (W.E.) 30, in the 4th pipeline 16, also be provided with the first check-valves 17.
Fig. 2 is the structural representation according to the heat pump water-heating machine system of second embodiment of the invention, as shown in Figure 3, this heat pump water-heating machine system comprises the first integrated machine 80 and the second integrated machine 90, the first integrated machine 80 comprises module machine, be provided with water tank, the first temperature sensor, high-voltage switch gear, compressor, evaporimeter, blower fan and electric expansion valve in module machine, the first integrated machine 80 also comprises the first magnetic valve 85, the three check-valves 87 and the 4th check-valves 89 and other necessary pipelines; The structure of the second integrated machine 90 and the first integrated machine 80 is identical, comprises module machine, the second magnetic valve 95, the five check-valves 97 and the 6th check-valves 99 and other necessary pipelines.Wherein, the first integrated machine 80 and the second integrated machine 90 jointly to for water end (W.E.) 30 supplying hot waters, and are mended cold water via the first stop valve 70 via back water pump 50 and the second stop valve 60.
In this embodiment, two integrated machines are by a universal wire control device, each integrated machine carries out communication by form and the line control machine of queuing up, and line control machine also to the water temperature implementing monitoring in each integrated machine, detects the water temperature of each water tank simultaneously, in the situation that water temperature is suitable, the control magnetic valve is open-minded, and integrated machine can discharge water, if do not satisfy the condition that discharges water, the water of this integrated machine can not use, and has stable temperature with this hot water that reaches supply.And in system, integrated machine shares feedwater, return water system, avoids a plurality of feedwater, water return pipeline are installed on engineering repeatedly, has saved cost.
For present villa and middle-size and small-size commercial location, the user can be according to actual hot water demand's freedom, flexible combination 1-8 platform integrated machine, can realize the hot water capacity of 300L, thereby enlarged the hot water capacity of system, and can switch discharging water of water tank according to the actual temperature of each water tank, strengthen the cooperation between each integrated machine in the system, also improved heat insulation effect when improving system's hot water capacity, reached energy-conservation purpose.In addition, system installs and not affected by the fluorine road, and when the user needed many integrated machines to be used in combination, each hot water machine can be arranged apart according to actual place, reduced the threshold of installing, and takes full advantage of again idle little space.
In embodiment illustrated in figures 1 and 2, preferably, heat pump water-heating machine system also comprises: the second temperature sensor, be arranged at the interior (not shown) of the 3rd pipeline of integrated machine outside, detect the water temperature in the 3rd pipeline, water temperature in water tank is more than or equal to the first preset temperature, and the water temperature in the 3rd pipeline is controlled magnetic valve and opened during less than the second preset temperature.
Adopt this preferred real-time mode, in the situation that the integrated machine normal operation is controlled magnetic valve and opened when the water temperature in the 3rd pipeline is low, make hot water circulate in system, avoid at the 3rd pipeline inner accumulated cold water.
Next introduces the control method of the heat pump water-heating machine system that this specific embodiment provides.
Fig. 3 is the flow chart according to the control method of the heat pump water-heating machine system of the embodiment of the present invention, and as shown in Figure 3, the method comprises that following step S102 is to step S106:
Step S102: detect the temperature of integrated machine water tank in heat pump water-heating machine system, wherein, heat pump water-heating machine system comprises one or more integrated machines, and this step can realize by at the water tank place, the first temperature sensor being set;
Step S104: whether judge the temperature of water tank less than the first preset temperature, in the temperature of water tank during less than the first preset temperature, execution in step S106, otherwise continue to return step S102.
Step S106: control water tank and stop water outlet and water inlet, this step can be by closing the magnetic valve realization at water tank inlet place.
In this embodiment, monitor the water temperature of water tank in integrated machine by enforcement, and compare with default water temperature, when actual water temperature during lower than default water temperature, control water tank and stop water outlet, avoided heat pump water-heating machine system to export cold water to the user, guarantee that heat pump water-heating machine system can continue to export hot water.
Introduce at last the control device of the heat pump water-heating machine system that this specific embodiment provides.
Fig. 4 is the block diagram according to the control device of the heat pump water-heating machine system of the embodiment of the present invention, as shown in Figure 4, this control device comprises: detection module 01, be used for detecting by first temperature sensor at water tank place the temperature of heat pump water-heating machine system integrated machine water tank, wherein, heat pump water-heating machine system comprises one or more integrated machines; Judge module 02 is used for judging that whether the temperature of water tank is less than the first preset temperature; And control module 03, when being used for temperature at water tank less than the first preset temperature, stop water outlet and water inlet by the radiotube controlling water tank of closing the water tank inlet place.
In this embodiment, water temperature by detection module 01 examinations water tank, by judge module 02, actual temperature is compared with default water temperature, when actual water temperature during lower than default water temperature, control module 03 is controlled water tank and is stopped water outlet, avoided heat pump water-heating machine system to export cold water to the user, guaranteed that heat pump water-heating machine system can continue to export hot water.
From above description, can find out, the present invention has realized following technique effect: when arbitrary integrated machine breaks down in heat pump water-heating machine system, in time control its closed electromagnetic valve, avoid this integrated machine to for water end (W.E.) output cold water, guarantee that heat pump water-heating machine system continues output hot water.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a heat pump water-heating machine system, comprise one or more integrated machines, it is characterized in that,
Described integrated machine comprises:
Water tank is provided with delivery port and water inlet on described water tank;
The first temperature sensor is for detection of the water temperature in described water tank;
The first pipeline is connected with the delivery port of described water tank;
Second pipe is connected with the water inlet of described water tank; And
Magnetic valve is arranged in described the first pipeline or described second pipe,
Described heat pump water-heating machine system also comprises:
For water end (W.E.);
The 3rd pipeline is used for being communicated with described the first pipeline and described for water end (W.E.); And
Controller is connected respectively with described magnetic valve with described the first temperature sensor, and the water temperature that is used for described water tank being detected at described the first temperature sensor is controlled described closed electromagnetic valve during less than the first preset temperature,
Wherein, when described magnetic valve is opened, described water tank water outlet and water inlet, when described closed electromagnetic valve, described water tank stops water outlet and water inlet.
2. heat pump water-heating machine system according to claim 1, is characterized in that, described integrated machine also comprises:
The 4th pipeline is communicated with respectively with described second pipe and the described water end (W.E.) that supplies; And
The first check-valves is arranged in described the 4th pipeline.
3. heat pump water-heating machine system according to claim 1, is characterized in that,
Described heat pump water-heating machine system also comprises: the 5th pipeline is used for the external complement cold water from described heat pump water-heating machine system;
Described integrated machine also comprises: the 6th pipeline is communicated with respectively with described second pipe and described the 5th pipeline;
And second check-valves, be arranged in described the 6th pipeline.
4. heat pump water-heating machine system according to claim 3, is characterized in that, also comprises: the first stop valve is arranged in described the 5th pipeline.
5. heat pump water-heating machine system according to claim 1, is characterized in that, also comprises: back water pump is arranged in described the 3rd pipeline.
6. heat pump water-heating machine system according to claim 5, is characterized in that, also comprises: the second stop valve is arranged in described the 3rd pipeline.
7. heat pump water-heating machine system according to claim 1, is characterized in that, described water tank is closed type water tank.
8. heat pump water-heating machine system according to claim 1, is characterized in that, also comprises:
The second temperature sensor is arranged in described the 3rd pipeline, for detection of the water temperature in described the 3rd pipeline,
Wherein, described controller is connected with described the second temperature sensor, is used for water temperature at described water tank and, controls described magnetic valve and open during less than the second preset temperature more than or equal to the water temperature in described the first preset temperature and described the 3rd pipeline.
9. the control method of a heat pump water-heating machine system comprises:
Detect the temperature of integrated machine water tank in heat pump water-heating machine system, wherein, described heat pump water-heating machine system comprises one or more integrated machines;
Judge that whether the temperature of described water tank is less than the first preset temperature; And
, control described water tank and stop water outlet and water inlet during less than described the first preset temperature in the temperature of described water tank.
10. the control device of a heat pump water-heating machine system comprises:
Detection module, for detection of the temperature of integrated machine water tank in heat pump water-heating machine system, wherein, described heat pump water-heating machine system comprises one or more integrated machines;
Judge module is used for judging that whether the temperature of described water tank is less than the first preset temperature; And
Control module when being used for temperature at described water tank less than described the first preset temperature, being controlled described water tank and is stopped water outlet and water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110343622.0A CN103090536B (en) | 2011-11-03 | 2011-11-03 | Heat pump water heater system and control method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110343622.0A CN103090536B (en) | 2011-11-03 | 2011-11-03 | Heat pump water heater system and control method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103090536A true CN103090536A (en) | 2013-05-08 |
| CN103090536B CN103090536B (en) | 2015-07-08 |
Family
ID=48203432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110343622.0A Active CN103090536B (en) | 2011-11-03 | 2011-11-03 | Heat pump water heater system and control method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103090536B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899073A (en) * | 2021-10-29 | 2022-01-07 | 四川虹美智能科技有限公司 | Control system and method for circulating water pump of hot water unit |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837736Y (en) * | 2005-11-10 | 2006-11-15 | 杭州司迈特电器有限公司 | Instant-heating water heater |
| CN1963338A (en) * | 2005-11-10 | 2007-05-16 | 杭州司迈特电器有限公司 | Instant heating boiled water implement |
| CN201041403Y (en) * | 2007-05-10 | 2008-03-26 | 饶雪琼 | Full-automatic constant temperature constant flow electric water heater |
| CN101275774A (en) * | 2007-03-30 | 2008-10-01 | 朱殿臣 | Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater |
| CN101303162A (en) * | 2007-05-10 | 2008-11-12 | 饶雪琼 | Full-automatic constant temperature and constant current electric water heater |
| CN201327114Y (en) * | 2008-12-09 | 2009-10-14 | 蔚刚 | Modularization central hot water supplying system |
| CN101838552A (en) * | 2009-12-31 | 2010-09-22 | 上海良田化工有限公司 | Scale inhibitor of ethylene device compressor and using method thereof |
| CN102235754A (en) * | 2010-04-21 | 2011-11-09 | 海尔集团公司 | Constant-temperature water outlet control device and method |
| CN202281379U (en) * | 2011-11-03 | 2012-06-20 | 珠海格力电器股份有限公司 | Heat pump water heater system |
-
2011
- 2011-11-03 CN CN201110343622.0A patent/CN103090536B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837736Y (en) * | 2005-11-10 | 2006-11-15 | 杭州司迈特电器有限公司 | Instant-heating water heater |
| CN1963338A (en) * | 2005-11-10 | 2007-05-16 | 杭州司迈特电器有限公司 | Instant heating boiled water implement |
| CN101275774A (en) * | 2007-03-30 | 2008-10-01 | 朱殿臣 | Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater |
| CN201041403Y (en) * | 2007-05-10 | 2008-03-26 | 饶雪琼 | Full-automatic constant temperature constant flow electric water heater |
| CN101303162A (en) * | 2007-05-10 | 2008-11-12 | 饶雪琼 | Full-automatic constant temperature and constant current electric water heater |
| CN201327114Y (en) * | 2008-12-09 | 2009-10-14 | 蔚刚 | Modularization central hot water supplying system |
| CN101838552A (en) * | 2009-12-31 | 2010-09-22 | 上海良田化工有限公司 | Scale inhibitor of ethylene device compressor and using method thereof |
| CN102235754A (en) * | 2010-04-21 | 2011-11-09 | 海尔集团公司 | Constant-temperature water outlet control device and method |
| CN202281379U (en) * | 2011-11-03 | 2012-06-20 | 珠海格力电器股份有限公司 | Heat pump water heater system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899073A (en) * | 2021-10-29 | 2022-01-07 | 四川虹美智能科技有限公司 | Control system and method for circulating water pump of hot water unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103090536B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6029658B2 (en) | Condensate discharge device for compressed gas systems | |
| CN104956161B (en) | The load control of Portable refrigerant recovery unit | |
| CN104676944A (en) | Air conditioning system and cold media adjusting method thereof | |
| CN103573584B (en) | A kind of Heat of Compressed Air can reclaim and control system | |
| CN202281379U (en) | Heat pump water heater system | |
| CN103900247B (en) | Immediately heating water heater | |
| CN104896650B (en) | Air conditioning water system exhaust control method and device and air conditioning system | |
| CN109323459B (en) | Waterway system and control method thereof | |
| CN103471210B (en) | Water system air-conditioner, the winterization system of air conditioning system and method | |
| CN103090536A (en) | Heat pump water heater system and control method and device thereof | |
| CN110736030A (en) | household gas intelligent monitoring system | |
| JP6040872B2 (en) | Hot water storage water heater | |
| CN207299108U (en) | Water unit anti-freezing system | |
| CN209944800U (en) | Automatic water replenishing system for heat pump unit | |
| CN104797996A (en) | Fluid dosage system | |
| KR100629807B1 (en) | Apparatus for supplying coolant | |
| CN220086097U (en) | High-level water tank liquid adding system of fuel cell | |
| CN206206742U (en) | Electronic expansion valve device and multi-split system | |
| CN114137413B (en) | Automobile motor operation environment simulation system | |
| CN218352185U (en) | Power distribution system of power grid | |
| CN107732871B (en) | Low pressure pipeline automatic water supply device | |
| CN220436559U (en) | Boiler oil supply system | |
| CN220154556U (en) | Water purifier water route detection device and purifier | |
| CN208296003U (en) | Heating unit energy conservation water replanishing device | |
| CN220398870U (en) | High temperature resistance testing device for electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |