CN213040742U - Energy-saving heat-preserving household water heater - Google Patents
Energy-saving heat-preserving household water heater Download PDFInfo
- Publication number
- CN213040742U CN213040742U CN202021452412.6U CN202021452412U CN213040742U CN 213040742 U CN213040742 U CN 213040742U CN 202021452412 U CN202021452412 U CN 202021452412U CN 213040742 U CN213040742 U CN 213040742U
- Authority
- CN
- China
- Prior art keywords
- water heater
- heat
- heat preservation
- heating
- energy
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 238000004321 preservation Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000009413 insulation Methods 0.000 claims description 41
- 238000005485 electric heating Methods 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 15
- 239000011490 mineral wool Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses an energy-saving heat-preservation household water heater, which comprises a water heater main body, a heating structure and a heat preservation structure; the water heater main part: the heat preservation baffle plate is arranged at the center of the interior of the water heater body, the heating cavity is arranged on the right side of the interior of the water heater body, the left side ring surface of the heating cavity is fixedly connected with the edge of the right side surface of the heat preservation baffle plate, the heat preservation cavity is arranged on the left side of the interior of the water heater body, the right side ring surface of the heat preservation cavity is fixedly connected with the edge of the left side surface of the heat preservation baffle plate, and the; a heating structure: the heating cavity and the heat preservation baffle are respectively arranged in the heating cavity and in the middle of the right side surface of the heat preservation baffle; this energy-conserving domestic water heater that keeps warm can deposit hot water in advance, need wait time when removing the use from, has better heat preservation effect, can also heat cold water when using hot water, and each unit of automatic control carries out intermittent type nature work to energy-conservation when guaranteeing the temperature.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to an energy-saving and heat-preserving household water heater.
Background
Along with the increasing improvement of living standards of people, the comfort requirement of people on family life is higher and higher, various accompanying electric appliance products facilitate the life of people and occupy small space, so that more and more multifunctional electric appliances enter the life of people, a water heater refers to a device which can enable the temperature of cold water to rise to be changed into hot water within a certain time through various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, a magnetic water heater, an air energy water heater, a heating water heater and the like according to different principles.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide an energy-conserving domestic water heater that keeps warm, can deposit hot water in advance, need wait for the time when removing the use from, have better heat preservation effect, can also heat cold water when using hydrothermal, each unit of automatic control carries out intermittent type nature work to carry out energy-conservation when guaranteeing the temperature, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving heat-preservation household water heater comprises a water heater main body, a heating structure and a heat preservation structure;
the water heater main part: the heat preservation baffle plate is arranged at the center of the interior of the water heater body, the heating cavity is arranged on the right side of the interior of the water heater body, the left side ring surface of the heating cavity is fixedly connected with the edge of the right side surface of the heat preservation baffle plate, the heat preservation cavity is arranged on the left side of the interior of the water heater body, the right side ring surface of the heat preservation cavity is fixedly connected with the edge of the left side surface of the heat preservation baffle plate, and the;
a heating structure: the heating cavity and the heat preservation baffle are respectively arranged in the heating cavity and in the middle of the right side surface of the heat preservation baffle;
the heat preservation structure is as follows: the water inlet pipe of the heat insulation structure penetrates through the heat insulation partition plate and extends into the heating cavity;
wherein: still include the PLC controller, the PLC controller sets up in the extrados middle part of water heater main part, and external power source is connected to the input electricity of PLC controller, can deposit hot water in advance, need wait time when removing the use from, has better heat preservation effect, can also heat cold water when using hot water, and each unit of automatic control carries out intermittent type nature work to energy-conservation when guaranteeing the temperature.
Further, the heating structure includes the cold water inlet tube, the cold water outlet pipe, electric heating pipe, temperature sensor and solenoid valve, the cold water inlet tube that the extrados cold water inlet department of heating chamber set up runs through the outer arc wall of water heater main part, the inside series connection of cold water inlet tube has the solenoid valve, the cold water outlet pipe that the extrados right-hand member cold water outlet department of heating chamber set up runs through the outer arc wall of water heater main part, the inside series connection of cold water outlet pipe has the pipe valve, the inside front and back symmetry of heating chamber is equipped with electric heating pipe, insulation baffle's right flank middle part is equipped with temperature sensor, the output of PLC controller is connected to the equal electricity of input of electric heating pipe and solenoid valve, the input of PLC controller is connected to temperature sensor's output electricity.
Further, insulation construction includes immersible pump, annular heated board and hot water outlet pipe, the immersible pump sets up in insulation baffle's left surface bottom, and the inlet tube of immersible pump runs through insulation baffle and extends to the inside in heating chamber, and the inner arc wall in insulation chamber is equipped with annular heated board, and the hot water outlet pipe that the outer cambered surface left end hot water outlet department in insulation chamber set up runs through the outer arc wall of water heater main part, and the inside series connection of hot water outlet pipe has the pipe valve, and the output of PLC controller is connected to the input electricity of immersible pump, can prevent the heat loss of the hot water in the insulation chamber.
Furthermore, the water level monitoring device further comprises a liquid level sensor, wherein the liquid level sensor is arranged at the highest position of the inner arc wall of the annular heat insulation plate, and the output end of the liquid level sensor is electrically connected with the input end of the PLC controller, so that the water level height of hot water can be monitored in real time.
Further, still include support and mounting hole, the arc wall all with the extrados fixed connection of water heater main part in the upper end of support, all be equipped with bilateral symmetry's mounting hole on the rear side plate body of support, can fix the water heater main part, guarantee operational environment's stability.
Further, annular heated board includes rock wool layer, foam blanket and waterproof layer, the extrados on rock wool layer and the interior arc wall fixed connection in heat preservation chamber, the foam blanket sets up on the internal surface on rock wool layer, and the tooth of rock wool inner arc wall is coincide with the tooth's socket of foam blanket outer cambered surface, and the intrados of foam blanket has the waterproof layer through the glue adhesion, and compound insulation construction has better heat preservation effect.
Compared with the prior art, the beneficial effects of the utility model are that: this energy-conserving domestic water heater that keeps warm has following benefit:
1. the bracket is connected with the installation part through the installation hole by using a bolt, the fixing of the water heater main body is realized, the stability of the working environment is ensured, the electromagnetic valve is opened through the regulation and control of the PLC controller, after external cold water enters the heating cavity through the cold water inlet pipe, the electromagnetic valve is closed, when the water using unit needs cold water, the pipe valve connected in series inside the cold water outlet pipe is opened, the cold water can be directly conveyed to the water using unit through the cold water outlet pipe, when the water using unit needs hot water, the electric heating pipe is electrified to convert the electric energy into heat energy, the cold water in the heating cavity is heated and heated, meanwhile, the temperature sensor transmits the measured temperature signal to the PLC controller, the digital display unit in the PLC controller displays the temperature of the water, when the temperature reaches the key-in value of the PLC controller, the electric heating pipe stops working, the submersible pump runs, and the heat is, the hot water can be reserved in advance, and the waiting time is saved when the water heater is used.
2. Because the heat conductivity coefficient of the rock wool layer is lower, the rock wool layer has excellent heat insulation effect, the foam layer has heat insulation performance and is not easy to absorb heat, the waterproof layer can prevent hot water from leaking, the composite heat insulation structure has better heat insulation effect, so that the annular heat insulation plate can prevent heat loss of hot water in the heat insulation cavity, when the hot water is needed to be used, a pipe valve connected in series in a hot water outlet pipe is opened, the hot water is conveyed to a water using unit through the hot water outlet pipe, meanwhile, a liquid level sensor can send out an ultrasonic signal, the signal reflected by the water is received, the height of the water level is calculated according to the time of receiving the signal, the signal is fed back to a PLC controller, when the water level is lower than a hot water storage set value input by the PLC controller, the PLC controller controls an electromagnetic valve to be opened, cold water can be heated while the, thereby saving energy while ensuring the water temperature.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner cross-section structure of the present invention;
fig. 3 is the utility model discloses cut open structure schematic diagram in the annular heated board.
In the figure: the water heater comprises a water heater body 1, a heat preservation partition plate 2, a heating cavity 3, a heat preservation cavity 4, a PLC controller 5, a heating structure 6, a cold water inlet pipe 61, a cold water outlet pipe 62, an electric heating pipe 63, a temperature sensor 64, an electromagnetic valve 65, a heat preservation structure 7, a submersible pump 71, an annular heat preservation plate 72, a rock wool layer 721, a foam layer 722, a waterproof layer 723, a hot water outlet pipe 73, a liquid level sensor 8, a bracket 9 and a mounting hole 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving heat-preservation household water heater comprises a water heater main body 1, a heating structure 6 and a heat preservation structure 7;
water heater main part 1: a heat insulation partition plate 2 is arranged at the center of the interior of the water heater main body 1, a heating cavity 3 is arranged on the right side of the interior of the water heater main body 1, a left side ring surface of the heating cavity 3 is fixedly connected with the edge of the right side surface of the heat insulation partition plate 2, a heat insulation cavity 4 is arranged on the left side of the interior of the water heater main body 1, a right side ring surface of the heat insulation cavity 4 is fixedly connected with the edge of the left side surface of the heat insulation partition plate 2;
the heating structure 6: the heating structure 6 comprises a cold water inlet pipe 61, a cold water outlet pipe 62, an electric heating pipe 63, a temperature sensor 64 and an electromagnetic valve 65, the cold water inlet pipe 61 arranged at the outer arc surface cold water inlet of the heating cavity 3 penetrates through the outer arc wall of the water heater main body 1, the electromagnetic valve 65 is connected in series inside the cold water inlet pipe 61, the cold water outlet pipe 62 arranged at the cold water outlet at the right end of the outer arc surface of the heating cavity 3 penetrates through the outer arc wall of the water heater main body 1, pipe valves are connected in series inside the cold water outlet pipe 62, the electric heating pipes 63 are symmetrically arranged in the front and at the back inside of the heating cavity 3, the temperature sensor 64 is arranged at the middle of the right side surface of the heat insulation partition plate 2, the input ends of the electric heating pipe 63 and the electromagnetic valve 65 are electrically connected with the output end of the PLC controller, the electromagnetic valve 65 is opened through the regulation and control of the PLC controller 5, after the external cold water enters the heating cavity 3 through the cold water inlet pipe 61, the solenoid valve 65 is closed, when the water using unit needs cold water, the pipe valve connected in series inside the cold water outlet pipe 62 is opened, cold water can be directly conveyed to the water using unit through the cold water outlet pipe 62, when the water using unit needs hot water, the electric heating pipe 63 is electrified to convert electric energy into heat energy, the cold water in the heating cavity 3 is heated and heated, meanwhile, the temperature sensor 64 transmits the measured temperature signal to the PLC controller 5, the digital display unit in the PLC controller 5 displays the temperature of the water, when the temperature reaches the keying value of the PLC 5, the electric heating pipe 63 stops working, the submersible pump 71 runs, and the hot water is pumped into the heat preservation cavity 4, so that hot water can be stored in advance, and the waiting time in use is saved;
and (7) a heat preservation structure: the water inlet pipe of the heat preservation structure 7 penetrates through the heat preservation partition plate 2 and extends into the heating cavity 3, the heat preservation structure 7 comprises a submersible pump 71, an annular heat preservation plate 72 and a hot water outlet pipe 73, the submersible pump 71 is arranged at the bottom end of the left side face of the heat preservation partition plate 2, the water inlet pipe of the submersible pump 71 penetrates through the heat preservation partition plate 2 and extends into the heating cavity 3, the annular heat preservation plate 72 is arranged on the inner arc wall of the heat preservation cavity 4, the hot water outlet pipe 73 arranged at the hot water outlet at the left end of the outer arc face of the heat preservation cavity 4 penetrates through the outer arc wall of the water heater body 1, a pipe valve is connected in series with the inner part of the hot water outlet pipe 73, the input end of the submersible pump 71 is electrically connected with the output end of the PLC controller 5, the annular heat preservation plate 72 comprises a rock wool layer 721, a foam layer 722 and a waterproof, the teeth of the inner arc wall of the rock wool layer 721 are clamped with the teeth of the outer arc surface of the foam layer 722, the inner arc surface of the foam layer 722 is adhered with a waterproof layer 723 through glue, the rock wool layer 721 has a low heat conduction coefficient and an excellent heat insulation effect, the foam layer 722 has a heat insulation performance and is not easy to absorb heat, the waterproof layer 723 can prevent hot water from leaking, the composite heat insulation structure has a better heat insulation effect, so that the annular heat insulation plate 72 can prevent the heat loss of hot water in the heat insulation cavity 4, when the hot water is needed to be used, a pipe valve connected in series in the hot water outlet pipe 73 is opened, the hot water is conveyed to a water using unit through the hot water outlet pipe 73, each unit is automatically controlled to work intermittently, and energy is saved while;
wherein: still include PLC controller 5, PLC controller 5 sets up in the extrados middle part of water heater main part 1, and external power source is connected to PLC controller 5's input electricity.
Wherein: still include level sensor 8, level sensor 8 sets up in the inner arc wall highest point of annular heated board 72, level sensor 8's output electricity is connected and is connected PLC controller 5's input, level sensor 8 can send ultrasonic signal, will pass through the signal reception of water reflection again, calculate water level according to received signal's time, again with signal feedback to PLC controller 5, when the water level is less than the hot water retaining setting value that PLC controller 5 typed, PLC controller 5 control solenoid valve 65 is opened, can heat cold water when using hot water.
Wherein: still include support 9 and mounting hole 10, the arc wall all with the extrados fixed connection of water heater main part 1 in the upper end of support 9, all be equipped with bilateral symmetry's mounting hole 10 on the rear panel body of support 9, use the bolt to pass through mounting hole 10 and be connected support 9 and installation site, realize the stability to water heater main part 1, guarantee operational environment.
When in use: the bracket 9 is connected with the installation part through the installation hole 10 by using a bolt, the fixing of the water heater main body 1 is realized, the stability of the working environment is ensured, the electromagnetic valve 65 is opened through the regulation and control of the PLC controller 5, after external cold water enters the heating cavity 3 through the cold water inlet pipe 61, the electromagnetic valve 65 is closed, when the water using unit needs the cold water, a pipe valve connected in series inside the cold water outlet pipe 62 is opened, the cold water can be directly conveyed to the water using unit through the cold water outlet pipe 62, when the water using unit needs the hot water, the electric heating pipe 63 is electrified to convert the electric energy into the heat energy, the cold water in the heating cavity 3 is heated and heated, meanwhile, the temperature sensor 64 transmits the measured temperature signal to the PLC controller 5, the digital display unit in the PLC controller 5 displays the temperature of the water, when the temperature reaches the key-in numerical value of the PLC controller 5, the, the submersible pump 71 operates to pump hot water into the heat preservation cavity 4, so that hot water can be stored in advance, waiting time in use is saved, the heat conduction coefficient of the rock wool layer 721 is low, the heat preservation effect is excellent, the foam layer 722 has heat insulation performance and is not easy to absorb heat, the waterproof layer 723 can prevent hot water from leaking, the composite heat preservation structure has better heat preservation effect, so that the annular heat preservation plate 72 can prevent heat loss of hot water in the heat preservation cavity 4, when hot water is required to be used, a pipe valve connected in series in the hot water outlet pipe 73 is opened, the hot water is conveyed to a water using unit through the hot water outlet pipe 73, meanwhile, the liquid level sensor 8 can send an ultrasonic signal, a signal reflected by the water is received, the water level height is calculated according to the time of the received signal, the signal is fed back to the PLC controller 5, when the water level is lower than a hot water storage, the PLC controller 5 controls the solenoid valve 65 to be opened, so that the cold water can be heated while the hot water is used, and each unit is automatically controlled to intermittently operate, thereby saving energy while ensuring the water temperature.
It should be noted that the core chip of the PLC controller 5 disclosed in this embodiment is a PLC single chip, the specific model is siemens S7-300, the electric heating tube 63 is 952-, the PLC 5 controls the electric heating pipe 63, the electromagnetic valve 65, the submersible pump 71, the temperature sensor 64 and the liquid level sensor 8 to work by adopting a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an energy-conserving domestic water heater that keeps warm which characterized in that: comprises a water heater main body (1), a heating structure (6) and a heat preservation structure (7);
water heater main body (1): the water heater comprises a water heater main body (1), a heat insulation partition plate (2) is arranged at the center of the interior of the water heater main body (1), a heating cavity (3) is arranged on the right side of the interior of the water heater main body (1), the left side ring surface of the heating cavity (3) is fixedly connected with the edge of the right side surface of the heat insulation partition plate (2), a heat insulation cavity (4) is arranged on the left side of the interior of the water heater main body (1), the right side ring surface of the heat insulation cavity (4) is fixedly connected with the edge of the left;
heating structure (6): are respectively arranged in the heating cavity (3) and the middle part of the right side surface of the heat-insulating clapboard (2);
insulation structure (7): the water inlet pipe of the heat insulation structure (7) penetrates through the heat insulation partition plate (2) and extends into the heating cavity (3);
wherein: still include PLC controller (5), PLC controller (5) set up in the extrados middle part of water heater main part (1), and external power source is connected to the input electricity of PLC controller (5).
2. An energy-saving and heat-preserving household water heater as claimed in claim 1, characterized in that: the heating structure (6) comprises a cold water inlet pipe (61), a cold water outlet pipe (62), an electric heating pipe (63), a temperature sensor (64) and an electromagnetic valve (65), the cold water inlet pipe (61) arranged at the outer arc surface cold water inlet of the heating cavity (3) penetrates through the outer arc wall of the water heater main body (1), the electromagnetic valve (65) is connected in series inside the cold water inlet pipe (61), the cold water outlet pipe (62) arranged at the outer arc surface right end cold water outlet of the heating cavity (3) penetrates through the outer arc wall of the water heater main body (1), a pipe valve is connected in series inside the cold water outlet pipe (62), the electric heating pipe (63) is symmetrically arranged in front and back inside the heating cavity (3), the temperature sensor (64) is arranged in the middle of the right side surface of the heat insulation partition plate (2), and the output ends of the electric heating pipe (63) and the electromagnetic, the output end of the temperature sensor (64) is electrically connected with the input end of the PLC (5).
3. An energy-saving and heat-preserving household water heater as claimed in claim 2, characterized in that: insulation construction (7) include immersible pump (71), annular heated board (72) and hot water outlet pipe (73), immersible pump (71) set up in the left surface bottom of heat preservation baffle (2), and the inlet tube of immersible pump (71) runs through heat preservation baffle (2) and extends to the inside of heating chamber (3), and the inner arc wall of heat preservation chamber (4) is equipped with annular heated board (72), and outer arc wall of water heater main part (1) is run through in hot water outlet pipe (73) that the outer cambered surface left end hot water outlet department of heat preservation chamber (4) set up, and the inside series connection of hot water outlet pipe (73) has the pipe valve, and the output of PLC controller (5) is connected to the input electricity of immersible pump (71).
4. An energy-saving and heat-preserving household water heater as claimed in claim 3, characterized in that: still include level sensor (8), level sensor (8) set up in the interior arc wall highest point of annular heated board (72), and the input of PLC controller (5) is connected to the output electricity of level sensor (8).
5. An energy-saving and heat-preserving household water heater as claimed in claim 1, characterized in that: the water heater is characterized by further comprising a support (9) and mounting holes (10), wherein the inner arc wall of the upper end of the support (9) is fixedly connected with the outer arc surface of the water heater main body (1), and the mounting holes (10) are arranged on the rear side plate body of the support (9) in a bilateral symmetry mode.
6. An energy-saving and heat-preserving household water heater as claimed in claim 3, characterized in that: the annular heat-insulation board (72) comprises a rock wool layer (721), a foam layer (722) and a waterproof layer (723), wherein the outer arc surface of the rock wool layer (721) is fixedly connected with the inner arc wall of the heat-insulation cavity (4), the foam layer (722) is arranged on the inner surface of the rock wool layer (721), teeth of the inner arc wall of the rock wool layer (721) are matched with tooth grooves of the outer arc surface of the foam layer (722), and the inner arc surface of the foam layer (722) is adhered with the waterproof layer (723) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452412.6U CN213040742U (en) | 2020-07-22 | 2020-07-22 | Energy-saving heat-preserving household water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452412.6U CN213040742U (en) | 2020-07-22 | 2020-07-22 | Energy-saving heat-preserving household water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213040742U true CN213040742U (en) | 2021-04-23 |
Family
ID=75528353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021452412.6U Expired - Fee Related CN213040742U (en) | 2020-07-22 | 2020-07-22 | Energy-saving heat-preserving household water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213040742U (en) |
-
2020
- 2020-07-22 CN CN202021452412.6U patent/CN213040742U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103542614B (en) | heating and refrigerating system | |
| CN213040742U (en) | Energy-saving heat-preserving household water heater | |
| CN104613526B (en) | Combined application system of solar energy and boiler and control method | |
| CN211695441U (en) | Automatic temperature control system of electric water heater | |
| CN105627554A (en) | Solar water heater and auxiliary electric heating device and use method thereof | |
| CN202853245U (en) | Refrigerator energy water heater | |
| CN211701970U (en) | Solar panel for combined heat and power generation | |
| CN201740275U (en) | Solar water heater with remote control function | |
| CN205156207U (en) | Novel energy -conserving air conditioner of low ebb electricity | |
| CN210891800U (en) | Waste heat recovery energy-saving system for gas stove | |
| CN207422341U (en) | A kind of list with water pot warms up wall-hung boiler | |
| CN107560147B (en) | Household air source heat pump hot water system assisted by gas wall-mounted boiler and control method thereof | |
| CN210980039U (en) | Wall-mounted electric heating stove | |
| CN201507988U (en) | Heater in electromagnetic induction heating method | |
| CN216814338U (en) | Novel efficient energy-saving heat exchange unit equipment | |
| CN212902046U (en) | Multi-path hot water supply system | |
| CN211120161U (en) | Heat pump energy-saving control system | |
| CN218722344U (en) | Flat-plate solar water tank with built-in circulating device | |
| CN203810777U (en) | Normal-pressure type balcony wall-mounted heat storage device | |
| CN216281668U (en) | Hot water circulating system for family | |
| CN214094682U (en) | Household intelligent heat supply control system | |
| CN214094761U (en) | Warm logical energy-saving equipment for building | |
| CN220541203U (en) | Solar heating indoor heating system | |
| CN212132616U (en) | Electric heating stove with heating pipe damaged and intelligently powered off | |
| CN203771743U (en) | Photovoltaic and photothermal all-in-one system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |