CN214469345U - Water heater structure based on two district heat transfer and have its device - Google Patents
Water heater structure based on two district heat transfer and have its device Download PDFInfo
- Publication number
- CN214469345U CN214469345U CN202120580122.8U CN202120580122U CN214469345U CN 214469345 U CN214469345 U CN 214469345U CN 202120580122 U CN202120580122 U CN 202120580122U CN 214469345 U CN214469345 U CN 214469345U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchange
- pipeline
- water heater
- water
- 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
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a water heater structure based on double-zone heat exchange and a device with the same, which comprises a shell, an inner container and a heat exchange block positioned in the inner container; the inner container is internally and hollow to form a cavity, and the cavity is divided into a heat exchange area and a heat storage area through the heat exchange block; the water heater structure also comprises a heat medium pipeline, a cold water pipeline and a hot water pipeline; the utility model discloses an inner bag of water heater structure is inside to have the heat transfer piece, the inner bag is cut apart into heat accumulation area and heat transfer area through the heat transfer piece, the heat transfer area is the region of the main circulation of hot medium, also be the region of main heating/heat transfer exactly, and the heat accumulation area is the region that hot water was stored, also regard as secondary heat transfer area simultaneously, utilize heat transfer piece heat transfer cold water once, the heat exchange efficiency of this department is high, the water in rethread heat accumulation area secondary heat transfer heat accumulation area, just so can greatly improve heat exchange efficiency, can guarantee relatively higher hot water temperature, improve the use impression of hot water.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a water heater structure based on two district heat exchanges and have the device of the water heater structure of this two district heat exchanges, and more specific is that the vehicle that carries the water heater structure of two district heat exchanges has.
Background
After the traditional heat exchange water heater exchanges heat for a period of time, the temperature of water in the water heater is close to the temperature of a heat medium, when hot water is used, cold water enters the water heater, the entered cold water is mixed with the hot water in the water heater, at the moment, the temperature difference between the temperature of the heat medium and the temperature of the water in the water heater is very small, and the heat exchange efficiency is very low; because heat exchange efficiency at this moment is very low, lead to the temperature to constantly descend, along with the temperature difference crescent of temperature and hot medium, heat exchange efficiency improves gradually (the temperature difference is big more, and heat exchange efficiency is high more). Therefore, when the temperature difference between the water temperature and the heat medium is small, the heat exchange efficiency of the traditional heat exchange water heater is very low; when the water temperature inside the water heater is changed, and the temperature difference between the water temperature and the heat medium is large, the heat exchange efficiency is high, but the water temperature inside the water heater is low, and the feeling of using hot water is not good.
Therefore, in view of the above technical problems, it is urgently needed to develop a water heater structure based on dual-zone heat exchange, which can solve the technical problem of low heat exchange efficiency caused by low water temperature and low temperature of the heat medium in the prior art, and further develop a device capable of carrying the water heater structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel structure, inside improve the water heater structure based on two district's heat transfer and have the device of the water heater structure of this two district's heat transfer with the problem that the heat exchange efficiency is low when the temperature is less with the hot medium difference in temperature with the form of subregion.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a water heater structure based on two district's heat transfer, this water heater structure includes:
a housing;
an inner container integrated inside the outer shell; and
the heat exchange block is positioned in the inner container;
the inner container is internally and hollow to form a cavity, and the cavity is divided into a heat exchange area and a heat storage area through the heat exchange block;
the heat exchange block is the heat exchange area, and the space outside the heat exchange block is the heat storage area;
this water heater structure still includes:
a hot medium pipeline, a cold water pipeline and a hot water pipeline;
the hot medium pipeline is connected with the heat exchange block, the cold water pipeline is connected with the heat exchange block, and the cold water pipeline carries out primary heat exchange on cold water conveyed to the water heater structure in the heat exchange area;
hot water is stored in the heat storage area, and the hot water in the heat storage area and the heat exchange block perform secondary heat exchange;
the hot water pipeline is communicated with the heat storage area to output hot water.
Furthermore, one end of the shell is provided with an end cover, and the inner container is embedded into the shell;
the heat medium pipeline penetrates through the end cover, extends to the inner container interior and is connected with the heat exchange block, and the ports of the heat medium pipeline, which are arranged outside the end cover, are configured as a heat medium inlet and a heat medium outlet;
the heat medium of the external equipment enters the heat medium pipeline through the heat medium inlet, is conveyed into the heat exchange block through the heat medium pipeline and is discharged from the heat medium outlet;
the cold water pipeline penetrates through the end cover, extends to the inner container and is connected with the heat exchange block, a port of the cold water pipeline, which is arranged at one end of the outer part of the end cover, is configured as a cold water inlet, and an end part of the cold water pipeline, which is arranged at one end of the heat exchange block, is configured as a primary heat exchange water outlet;
external cold water enters the cold water pipeline from the cold water inlet, is conveyed to the heat exchange block through the cold water pipeline to exchange heat with a heat medium in the heat medium pipeline, and is conveyed to the heat storage area through the primary heat exchange water outlet;
the hot water pipeline penetrates through the end cover and extends into the heat storage area, and a port of the hot water pipeline, which is arranged at one end outside the end cover, is configured as a hot water outlet.
Furthermore, the hot water pipeline is arranged in the upper space of the heat storage area, and the end part of one end of the hot water pipeline arranged in the heat storage area is close to the top of the heat storage area.
Further, an electric heating pipe is integrated in the heat storage area;
the electric heating pipe is installed at the bottom of the heat storage area.
Furthermore, the space between the shell and the inner container is filled with a heat insulation material, and the heat insulation material is formed into a heat insulation layer wrapping the inner container in the water heater structure.
Furthermore, the water heater structure is also provided with a sewage discharge pipe communicated with the heat storage area;
the blow-off pipe is communicated with the bottom of the heat storage area and is provided with a blow-off port extending to the outside.
The utility model discloses a device with water heater structure based on two district's heat transfer, the device are the car as a house, the device is integrated as above water heater structure.
Further, coolant of an engine or a heater of the motor home is used for conveying a heat medium into the heat exchange block through the heat medium pipeline.
The utility model discloses a device with water heater structure based on two district's heat transfer, the device are boats and ships, the device is integrated as above water heater structure.
Further, the cooling liquid of the engine or the heater of the ship conveys the heat medium into the heat exchange block through the heat medium pipeline.
In the technical scheme, the utility model provides a water heater structure and have its device based on two district's heat exchanges has following beneficial effect:
the utility model discloses an inner bag of water heater structure is inside to have the heat transfer piece, the inner bag is cut apart into heat accumulation area and heat transfer area through the heat transfer piece, the heat transfer area is the region of the main circulation of hot medium, also be the region of main heating/heat transfer exactly, and the heat accumulation area is the region that hot water was stored, also regard as secondary heat transfer area simultaneously, utilize heat transfer piece heat transfer cold water once, the heat exchange efficiency of this department is high, the water in rethread heat accumulation area secondary heat transfer heat accumulation area, just so can greatly improve heat exchange efficiency, can guarantee relatively higher hot water temperature, improve the use impression of hot water.
The utility model discloses a water heater structure realizes twice, cubic heat transfer even with heat transfer piece and electric heating pipe, can provide hot water continuously.
The utility model also discloses a device of the water heater structure that has this two district's heat transfer, the device can be any mobile device/vehicle that need carry on the water heater, for example car as a house, boats and ships etc to device itself supplies cold water and hot-medium, with the water heater structure integration in the device, just can be under the sufficient condition of hot-medium for the user travel or continuously provide hot water when going out.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a water heater structure based on dual-zone heat exchange according to an embodiment of the present invention;
fig. 2 is a schematic view of a working principle of a water heater structure based on dual-zone heat exchange provided by an embodiment of the present invention;
fig. 3 is a heat exchange efficiency comparison diagram of a water heater structure based on double-zone heat exchange provided by the embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. an inner container; 3. a heat exchange block; 4. a heat medium pipe; 5. a cold water line; 6. a hot water pipeline; 7. a blow-off pipe; 8. an electric heating tube;
101. an end cap; 102. a heat-insulating layer;
201. a heat storage area;
301. a heat exchange zone;
401. a thermal medium inlet; 402. a thermal medium outlet;
501. a cold water inlet; 502. a primary heat exchange water outlet;
601. a hot water outlet;
701. a sewage draining outlet.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-3;
the first embodiment discloses a water heater structure based on double-zone heat exchange, which can improve the heat exchange efficiency and effect compared with the traditional water heater, and continuously provides hot water through the secondary heat exchange mode.
The utility model discloses a water heater structure based on two district's heat transfer, this water heater structure includes:
a housing 1;
an inner container 2 integrated in the shell 1; and
the heat exchange block 3 is positioned inside the inner container 2;
the inner container 2 is hollow to form a cavity, and the cavity is divided into a heat exchange area 301 and a heat storage area 201 through a heat exchange block 3;
the heat exchange block 3 is the heat exchange area 301, and the space outside the heat exchange block 3 is the heat storage area 201;
this water heater structure still includes:
a hot medium pipeline 4, a cold water pipeline 5 and a hot water pipeline 6;
the heat medium pipeline 4 is connected with the heat exchange block 3, the cold water pipeline 5 is connected with the heat exchange block 3, and the cold water pipeline 6 carries out primary heat exchange on cold water conveyed to the water heater structure in the heat exchange area 301;
hot water is stored in the heat storage area 201, and the hot water in the heat storage area 201 exchanges heat with the heat exchange block 3 for the second time;
the hot water pipeline 6 is communicated with the heat storage area 201 to output hot water.
Specifically, the water heater structure based on dual-zone heat exchange disclosed in the embodiment includes a housing 1, and an inner container 2 embedded inside the housing 1, wherein a chamber inside the inner container 2 is divided into two regions by the heat exchange block, which are a heat exchange region 301 for performing a main heat exchange function and a heat storage region 201 for performing a main hot water storage function; and more in detail: the material of the heat exchange block 3 of the first embodiment needs to be selected in consideration of the heat exchange requirement, so that a metal material with a good heat exchange effect, such as copper, needs to be selected, and thus the heat exchange effect and quality can be accelerated and improved. In addition, the heat exchange block 3 in the first embodiment is a place where primary heat exchange is performed between cold water and a heat medium, that is, the heat exchange region 301, therefore, both the heat medium pipeline 4 and the cold water pipeline 5 need to be connected to the heat exchange block 3, and pipeline coiling is formed in the heat exchange block 3 to a certain extent, so that a heat exchange area can be increased to a certain extent (only an exemplary structure is illustrated in the drawing), in addition, secondary heat exchange exists between the heat exchange block 3 and the heat storage region 201, mainly when the water temperature in the heat storage region 201 is low, the water in the heat storage region 201 is heated by using the outer wall of the heat exchange block 3, so that the water temperature can be continuously and rapidly heated, and hot water is provided.
Preferably, in the embodiment, one end of the outer shell 1 is provided with an end cover 101, and the inner container 2 is embedded into the outer shell 1;
the heat medium pipeline 4 extends to the inside of the liner 2 through the end cover 101 and is connected with the heat exchange block 3, and the ports of the heat medium pipeline 4, which are arranged outside the end cover 101, are configured as a heat medium inlet 401 and a heat medium outlet 402;
the heat medium of the external equipment enters the heat medium pipeline 4 through the heat medium inlet 401, is conveyed into the heat exchange block 3 through the heat medium pipeline 4 and is discharged from the heat medium outlet 402;
the cold water pipeline 5 penetrates through the end cover 101, extends to the inside of the inner container 2, and is connected with the heat exchange block 3, a port of the cold water pipeline 5, which is arranged at one end of the outside of the end cover 101, is configured as a cold water inlet 501, and an end of the cold water pipeline 5, which is arranged at one end of the heat exchange block 3, is configured as a primary heat exchange water outlet 502;
external cold water enters the cold water pipeline 5 from the cold water inlet 501, is conveyed to the heat exchange block 3 through the cold water pipeline 5 to exchange heat with a heat medium in the heat medium pipeline 4, and is conveyed to the heat storage area 201 from the primary heat exchange water outlet 502;
a hot water pipe 6 passes through the end cap 101 and extends into the heat storage area 201, and a port of the hot water pipe 6 disposed at one end outside the end cap 101 is configured as a hot water outlet 601.
The layout of each pipeline of the water heater structure based on the dual-zone heat exchange of the first embodiment is described in detail, firstly, the heat medium pipeline 4 and the cold water pipeline 5 both need to be connected with the heat exchange block 3 to realize the primary heat exchange operation of cold water in the heat exchange zone 301, therefore, the inside of the heat medium pipeline 4 is directly connected with the heat exchange block 3 on the premise of ensuring the heat medium inlet 401 and the heat medium outlet 402 which are reserved outside, and the cold water pipeline 5 is properly coiled in the heat exchange block 3 according to the design requirement and the heat exchange requirement, and similarly, the cold water inlet 501 of the cold water pipeline 5 is outside, and the outlet at the other end of the cold water pipeline 5 is inside, and the cold water pipeline serves as a communicating structure for forming primary heat exchange water and the heat storage zone 201 after primary heat exchange, and transmits the primary heat exchange water obtained after primary heat exchange to the heat storage zone 201 to reduce the temperature difference between the hot water and the primary heat exchange water in the heat storage zone 201, meanwhile, once the water temperature in the heat storage area 201 is reduced, the outer wall of the heat exchange block 3 can be used for secondary heat exchange, and the heat exchange efficiency is improved.
And finally a hot water pipe 6 capable of outputting hot water, more specifically: the hot water pipeline 6 is arranged in the upper space of the heat storage area 201, and the end of one end of the hot water pipeline 6 arranged in the heat storage area 201 is close to the top of the heat storage area 201.
Usually, the water temperature in the upper part of the inner container 2 is higher than that in the lower part, therefore, the hot water pipeline 4 of the embodiment needs to be arranged in the upper space, so as to ensure that the hot water of the output hot water is in the highest temperature state.
Preferably, in order to enable the water heater structure to have a certain electric heating function, and also assist the heat exchange block 3 to instantly heat water in the heat storage area 201, an electric heating pipe 8 is integrated in the heat storage area 201 of the embodiment;
the electric heating pipe 8 is installed at the bottom of the heat storage area 201. In correspondence with the arrangement position of the hot water pipeline 6, the temperature of the water in the upper space of the inner container 2 is the highest, otherwise, the temperature in the lower space is lower, and therefore, the electric heating pipe 8 of the embodiment needs to be arranged at the bottom position.
Preferably, in order to achieve a certain heat preservation effect, the space between the outer shell 1 and the inner container 2 of the present embodiment is filled with a heat preservation material, and the water heater structure is formed by the heat preservation material as a heat preservation layer 102 wrapping the inner container 2. There are many choices of insulating materials, typically materials with a thermal conductivity less than or equal to 0.12, such as polyurethane foam and the like.
Preferably, in order to facilitate later maintenance and cleaning, the water heater structure of the embodiment further has a sewage discharge pipe 7 communicated with the heat storage area 201;
the sewage discharge pipe 7 is communicated with the bottom of the heat storage area 201, and the sewage discharge pipe 7 is provided with a sewage discharge port 701 extending to the outside.
The second embodiment discloses a first device, namely a motor home, of the water heater structure with double-zone heat exchange.
The device integrates a water heater structure as described above.
Wherein, the coolant of the engine or the heater of the motor home conveys the heat medium into the heat exchange block 3 through the heat medium pipeline 4.
When the water heater structure based on double-zone heat exchange is integrated in a car as a house, cooling liquid of an engine or a heater of the car as a house flows into the water heater structure through the heat medium inlet 401, meanwhile, no cold water flows in, the flowing-in heat medium exchanges heat with water in the heat storage zone 201 through the outer wall of the heat exchange zone 301, along with continuous heat exchange, the water temperature of the heat storage zone 201 is gradually close to the temperature of the heat medium, when hot water is used, hot water in the heat storage zone 201 is discharged through the hot water outlet 601, meanwhile, cold water enters the heat exchange zone 301 through the cold water inlet 501, exchanges heat with the heat medium (the temperature difference is large, the heat exchange efficiency is high), and then the hot water flows into the heat storage zone 201, so that efficient heat exchange can be realized as long as cold water enters the water heater, and comfortable hot water can be provided in the car as a house.
The third embodiment discloses a second device, namely a ship, of the water heater structure with double-zone heat exchange.
The device integrates a water heater structure as described above.
Wherein the coolant of the engine or heater of the ship transports the heat medium into the heat exchange block 3 through the heat medium pipeline 4.
Similar to the principle of the second embodiment, when the water heater structure based on the dual-zone heat exchange is integrated in a ship, the cooling liquid of an engine or a heater of the ship flows into the water heater structure through the heat medium inlet, meanwhile, no cold water flows in, the inflowing heat medium exchanges heat with the water in the heat storage zone 201 through the outer wall of the heat exchange zone 301, along with the continuous heat exchange, the water temperature in the heat storage zone 201 gradually approaches the temperature of the heat medium, when hot water is used, the hot water in the heat storage zone 201 is discharged through the hot water outlet 601, meanwhile, cold water enters the heat exchange zone 301 through the cold water inlet 501, exchanges heat with the heat medium (the temperature difference is large, the heat exchange efficiency is high), and then the cold water flows into the heat storage zone 201, so that the efficient heat exchange can be realized as long as the cold water enters the water heater, and comfortable hot water can be provided in the ship.
In the technical scheme, the utility model provides a water heater structure and have its device based on two district's heat exchanges has following beneficial effect:
the utility model discloses a 2 inside heat transfer pieces 3 that have of inner bag of water heater structure, heat accumulation area 201 and heat transfer district 301 are cut apart into through heat transfer piece 3 to inner bag 2, heat transfer district 301 is the region of the main circulation of hot medium, also be the region of main heating/heat transfer, and heat accumulation area 201 is the region of hot water storage, it is regional also as secondary heat transfer simultaneously, utilize heat transfer cold water of 3 a heat transfer of heat transfer piece, the heat exchange efficiency of this department is high, the water of 201 secondary heat transfer heat accumulation districts of rethread heat accumulation district, just so can greatly improve heat exchange efficiency, can guarantee relatively higher hot water temperature, improve the use impression of hot water.
The utility model discloses a water heater structure realizes twice, cubic heat transfer even with heat transfer piece 3 and electric heating pipe 8, can continuously provide hot water.
The utility model also discloses a device of the water heater structure that has this two district's heat transfer, the device can be any mobile device/vehicle that need carry on the water heater, for example car as a house, boats and ships etc to device itself supplies cold water and hot-medium, with the water heater structure integration in the device, just can be under the sufficient condition of hot-medium for the user travel or continuously provide hot water when going out.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. Water heater structure based on two district's heat exchanges, its characterized in that, this water heater structure includes:
a housing (1);
an inner container (2) integrated inside the outer shell (1); and
the heat exchange block (3) is positioned in the inner container (2);
the inner container (2) is hollow to form a cavity, and the cavity is divided into a heat exchange area (301) and a heat storage area (201) through the heat exchange block (3);
the heat exchange block (3) is the heat exchange area (301), and the space outside the heat exchange block (3) is the heat storage area (201);
this water heater structure still includes:
a hot medium pipeline (4), a cold water pipeline (5) and a hot water pipeline (6);
the heat medium pipeline (4) is connected with the heat exchange block (3), the cold water pipeline (5) is connected with the heat exchange block (3), and cold water conveyed to the water heater structure by the cold water pipeline (5) is subjected to primary heat exchange in the heat exchange area (301);
hot water is stored in the heat storage area (201), and the hot water in the heat storage area (201) and the heat exchange block (3) perform secondary heat exchange;
the hot water pipeline (6) is communicated with the heat storage area (201) to output hot water.
2. The structure of the water heater based on the double-zone heat exchange as claimed in the claim 1, characterized in that one end of the outer shell (1) is provided with an end cover (101), and the inner container (2) is embedded in the outer shell (1);
the heat medium pipeline (4) extends to the inside of the inner container (2) through the end cover (101) and is connected with the heat exchange block (3), and the ports of the heat medium pipeline (4) which are arranged outside the end cover (101) are configured as a heat medium inlet (401) and a heat medium outlet (402);
the heat medium of the external equipment enters the heat medium pipeline (4) through the heat medium inlet (401), is conveyed into the heat exchange block (3) through the heat medium pipeline (4), and is discharged from the heat medium outlet (402);
the cold water pipeline (5) extends to the inside of the inner container (2) through the end cover (101) and is connected with the heat exchange block (3), the port of the cold water pipeline (5) at one end outside the end cover (101) is configured as a cold water inlet (501), and the end of the cold water pipeline (5) at one end of the heat exchange block (3) is configured as a primary heat exchange water outlet (502);
external cold water enters the cold water pipeline (5) from the cold water inlet (501), is conveyed to the heat exchange block (3) through the cold water pipeline (5), exchanges heat with a heat medium in the heat medium pipeline (4), and is conveyed to the heat storage area (201) from the primary heat exchange water outlet (502);
the hot water pipeline (6) penetrates through the end cover (101) and extends into the heat storage area (201), and a port of the hot water pipeline (6) which is arranged at one end outside the end cover (101) is configured as a hot water outlet (601).
3. The structure of a water heater based on double-zone heat exchange according to claim 2, characterized in that the hot water pipeline (6) is arranged in the upper space of the heat storage zone (201), and the end of the hot water pipeline (6) arranged at one end inside the heat storage zone (201) is close to the top of the heat storage zone (201).
4. The structure of a water heater based on double-zone heat exchange according to claim 2, characterized in that an electric heating pipe (8) is integrated in the heat storage zone (201);
the electric heating pipe (8) is installed at the bottom of the heat storage area (201).
5. The structure of a water heater based on double zone heat exchange according to claim 2, characterized in that the space between the outer shell (1) and the inner container (2) is filled with an insulating material, and the structure of the water heater is formed by the insulating material as an insulating layer (102) wrapping the inner container (2).
6. The structure of a water heater based on double-zone heat exchange as claimed in claim 2, characterized in that the structure of the water heater is also provided with a sewage drain (7) communicated with the heat storage zone (201);
the sewage discharge pipe (7) is communicated with the bottom of the heat storage area (201), and the sewage discharge pipe (7) is provided with a sewage discharge port (701) extending to the outside.
7. Device with a water heater structure based on two-zone heat exchange, the device being a motor home, characterized in that it integrates a water heater structure according to any one of claims 1 to 6.
8. The device with the structure of the water heater based on the double-zone heat exchange according to the claim 7 is characterized in that the coolant of the engine or the heater of the motor home conveys the heat medium into the heat exchange block (3) through the heat medium pipeline (4).
9. Device with a water heater structure based on two-zone heat exchange, which is marine, characterized in that it integrates a water heater structure according to any one of claims 1 to 6.
10. The arrangement with a water heater structure based on two-zone heat exchange according to claim 9, characterized in that the cooling liquid of the ship's engine or heater conveys the heat medium into the heat exchange block (3) through the heat medium pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580122.8U CN214469345U (en) | 2021-03-22 | 2021-03-22 | Water heater structure based on two district heat transfer and have its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580122.8U CN214469345U (en) | 2021-03-22 | 2021-03-22 | Water heater structure based on two district heat transfer and have its device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214469345U true CN214469345U (en) | 2021-10-22 |
Family
ID=78158944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580122.8U Expired - Fee Related CN214469345U (en) | 2021-03-22 | 2021-03-22 | Water heater structure based on two district heat transfer and have its device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214469345U (en) |
-
2021
- 2021-03-22 CN CN202120580122.8U patent/CN214469345U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204902240U (en) | Phase transition heat -retaining formula electric water heater | |
| CN210140142U (en) | Double-layer jacketed tank | |
| CN214469345U (en) | Water heater structure based on two district heat transfer and have its device | |
| CN101773367B (en) | Semiconductor water dispenser | |
| GB2537964A (en) | A hot water tank device with a jacket provided with a heat exchanger | |
| CN210400112U (en) | Heat-storage and heat-exchange device and fertilizer production vehicle | |
| CN112944680A (en) | Water heater structure based on two district heat transfer and have its device | |
| CN210892251U (en) | Liquid quick cooling device | |
| CN106766126A (en) | Storage-type electric water heater | |
| CN206583015U (en) | A kind of phase change cold-storage system | |
| CN210832748U (en) | Cold and hot type thermostat for feeding and taking system | |
| JPS58191640A (en) | Hot-water and cold-water device for automobile | |
| CN214180076U (en) | Fresh food cooking pot capable of quickly heating and cooling pot | |
| CN205448321U (en) | Outer disk heat pump water tank | |
| CN2884025Y (en) | Automatic energy-saving drinking water heater with thermal-insulation placed in vehicle or ship | |
| CN207461948U (en) | Liquid instant heating and cooling device | |
| CN205919590U (en) | Portable cold -storage box with fast cold function | |
| CN110671890A (en) | Cold-hot type thermostat for feeding and taking system | |
| CN118009523B (en) | Constant-temperature hot water system for bathroom of motor caravan | |
| CN204987520U (en) | Single courage two -chamber formula household solar water heater | |
| CN214085915U (en) | Self-heating thermal insulation storage tank | |
| CN212106348U (en) | Cooling water pump of automobile fuel system | |
| CN218864491U (en) | Domestic zero cold water treatment facilities | |
| CN212842287U (en) | Jacket non-bearing solar water heater | |
| CN215687272U (en) | High environment-friendly heat preservation dining car of stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |