CN103322680A - Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank - Google Patents
Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank Download PDFInfo
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- CN103322680A CN103322680A CN 201310242867 CN201310242867A CN103322680A CN 103322680 A CN103322680 A CN 103322680A CN 201310242867 CN201310242867 CN 201310242867 CN 201310242867 A CN201310242867 A CN 201310242867A CN 103322680 A CN103322680 A CN 103322680A
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Abstract
The invention discloses a multifunctional water tank and a method for uniformizing temperatures of an inner tank and an outer tank. The multifunctional water tank can serve as a hot water tank, a cold water tank or an energy storage water tank. When the multifunctional water tank serves as the energy storage water tank, the water heating efficiency is higher than the air heating efficiency, the heating speed can be improved, and atmosphere heating and refrigeration of an air conditioner are replaced by water heating and refrigeration of the energy storage water tank, so that the energy efficiency ratio is improved. The cold and heat accumulation capacity of the water tank can be improved by utilizing a eutectic salt energy storage unit. The temperatures of the inner tank and the outer tank can be uniformized by utilizing an inner tank and outer tank temperature uniformizing unit and a heat exchange water pipe temperature uniformizing unit. The temperature of a water source finishing heating is higher or lower than the indoor temperature and can be recovered to be the indoor temperature by means of the temperature uniformizing method, so that multiple-time heating can be repeated, and water is saved.
Description
[technical field]
The present invention relates to the temperature equalizing method of multipurpose water tank and interior case and outer container, be specifically related to the cold and hot integrated water tank of a kind of water resource heat pump equipment or water cooling heat pump air-conditioning.And multipurpose water tank and interior case and the interior case of outer container and the temperature equalizing method of outer container.
[background technology]
Present Teat pump boiler all adopts air source side formula, claims the air energy again.
Theoretical and practice shows that the efficient of adopting heat from water will be higher than adopts heat from air, can also accelerate to adopt the speed of heat.Can realize heating water, chilled water in an integrated water tank, or heat the product that just can adopt heat in the water process from water in an integrated water tank, this integrated water tank also is not developed production at present.
[summary of the invention]
Theoretical and practice shows that the efficient of adopting heat from water will be higher than adopts heat from air.From water, adopt heat and can also accelerate to adopt the speed of heat.In addition, gathered the water of heat energy by way internal, the outer container samming, in order to finish water is repeatedly adopted heat.The application's integrated water tank both can reach effect energy-conservation, that heat fast, conserve water, can also save the space, saves material, be convenient to install carrying.
Between the interior case of general attemperater, the outer container heat-insulation material is arranged; When the water temperature of interior case and atmospheric temperature are inconsistent, can adopt the internal case of following way and outer container to carry out samming, characteristics that contact with atmosphere by outer container then, the water temperature of case is consistent with environment temperature in making; This method is that the heat target of adopting of heat pump is changed into water from air, and to finishing the water source of heat exchange, its temperature is more high or low than room temperature, by the way of samming, makes the temperature retrieval at the water source of being adopted heat to atmospheric temperature, in order to repeatedly adopt heat, using water wisely;
A kind of multipurpose water tank comprises interior case (1), outer container (2);
Also have filling pipe end (9), the following mouth of a river (8), filling pipe end (9) connects filling pipe end threeway electromagnetism water valve (6), the mouth of a river (8) connects mouth of a river threeway electromagnetism water valve (5) down down, a wherein end of two threeway electromagnetism water valves is communicated with and links to each other with running water pipe, is the running water water inlet end; The other end of filling pipe end threeway electromagnetism water valve (6) is hot water outlet, and the other end of following mouth of a river threeway electromagnetism water valve (5) is cooling water outlet; After handling like this, multipurpose water tank can also serve as boiler, cold water storage cistern use except being used for accumulation of energy.
In the course of work, when needing to use hot water or cold water separately, can be born the function of boiler or cold water storage cistern by multipurpose water tank; When not wanting hot water or cold water, the water of multipurpose water tank provides the required cold energy of air conditioner refrigerating process or air-conditioning to heat the required heat energy of process, thereby makes system works in the water-cooled pattern; When needing to use water pool and cold water pool or hydrotherapeutics machines, can increase configuration boiler or cold water storage cistern as required; When increasing the configuration boiler, multipurpose water tank is born the function of cold water storage cistern; When increasing the configuration cold water storage cistern, multipurpose water tank is born the function of boiler.
Case outer container samming unit (10) in further comprising; The samming unit by: interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13), movable heat-conducting block electromagnet (14) are formed.
Movable heat-conducting block (13) is under the control of movable heat-conducting block electromagnet (14), interior case heat-conducting block (11) and outer container heat-conducting block (12) are carried out hot short circuit, case and outer container samming in allowing, the heat of multipurpose water tank is conducted to the space by outer container, change the temperature of multipurpose water tank, thus can be repeatedly to the multipurpose water tank heat radiation or adopt heat, the water of multipurpose water tank is become Cooling and Heat Source, make equipment be operated in the water-cooled pattern, improve Energy Efficiency Ratio.
Interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) use one or more.
Interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) or replace with interior case heat conduction annulus (11A), outer container heat conduction annulus (12A), activity heat conduction annulus (13A) are to increase the contact area of interior case, outer container.
Also comprise: heat exchange water pipe samming unit (20);
Described heat exchange water pipe samming unit (20) comprising: go out water solenoid valve (24), entering water electromagnetic valve (26), water circulating pump (25), heat exchange water pipe (21), fin (22) and protective cover (23).
When there is the temperature difference in the temperature of the temperature of the water of multipurpose water tank and outdoor air, water circulating pump (25) is extracted into heat exchange water pipe (21) to the water of multipurpose water tank, carry out heat exchange by heat exchange water pipe (21) and connected fin (22) with outdoor air, the heat of multipurpose water tank is conducted to the space by heat exchange water pipe (21), change the temperature of multipurpose water tank, finally make water and the outdoor air samming of multipurpose water tank, thereby can be repeatedly to the water-cooled of multipurpose water tank or adopt heat, the water of multipurpose water tank is become Cooling and Heat Source, make equipment be operated in the water-cooled pattern, improve Energy Efficiency Ratio.
Also comprise: eutectic salts Storage Unit (30);
Described eutectic salts Storage Unit (30) comprising: eutectic salts hydrate (31), retainer ring (32), can (33), thermal trough (34).
In a can made from Heat Conduction Material (33) lining, fill eutectic salts hydrate (31); Can (33) axially have many thermal troughs (34), thermal trough has strengthened the contact area of eutectic salts Storage Unit (30) with the water of multipurpose water tank, is convenient to allow the interior eutectic salts hydrate (31) of water and container of multipurpose water tank carry out exchange heat; Heat in the water of eutectic salts hydrate (31) the absorption multipurpose water tank in the can (33) produces phase transformation, and eutectic salts is melted, and absorbs latent heat; Eutectic salts hydrate (31) in the can (33) is to the water heat release of water tank, produces phase transformation and freezes, and emits latent heat; Realize latent heat accumulator.
Adding eutectic salts hydrate (31) has increased latent heat accumulator than the water that does not have to add, and namely adds the energy storage capacity that the eutectic salts hydrate can increase water tank, saves volume, space, reduces cost.
Also comprise: water tank base or mast-up (4), tank sensor (0), condenser/evaporator assembly (7).
Condenser/evaporator assembly (7) has following three kinds of structures:
A, condenser/evaporator and two interfaces;
B, condenser/evaporator and two interfaces, and electric expansion valve;
C, condenser/evaporator and two interfaces, and electric expansion valve and three-way magnetic valve.
Or arrange in pairs or groups according to the demand of supporting heat pump air conditioner equipment.
Outer container (2) and interior case (1), between heat-insulation layer (3) is arranged.
[description of drawings]
Fig. 1, multipurpose water tank structural representation
Fig. 2, horizontal (lifting) multipurpose water tank structural representation
Fig. 3 A, condenser/evaporator assembly comprise condenser/evaporator and two interfaces;
Fig. 3 B, condenser/evaporator assembly comprise condenser/evaporator and two interfaces and electric expansion valve;
Fig. 3 C, condenser/evaporator assembly comprise condenser/evaporator and two interfaces and electric expansion valve, three-way magnetic valve
Fig. 4, eutectic salts cellular construction schematic diagram
Fig. 5, heat exchange water pipe samming cellular construction schematic diagram
The samming cell schematics of Fig. 6, interior case and outer container
Fig. 7, interior case heat conduction circular ring structure schematic diagram
Fig. 8, outer container heat conduction circular ring structure schematic diagram
Fig. 9, activity heat conduction circular ring structure schematic diagram
[specific embodiment]
The temperature equalizing method of case and outer container in a kind of:
1. adopt the way of welding, bonding at the outer wall of interior case (1), the outer wall fluid-tight engagement of case heat-conducting block (11) in one or more with interior case (1);
2. adopt the way of welding, bonding at the inwall of outer container (2), the inwall fluid-tight engagement of one or more outer container heat-conducting blocks (12) with outer container (2);
3. between interior case heat-conducting block (11) and outer container heat-conducting block (12), movable heat-conducting block (13) is set, movable heat-conducting block (13) can move with interior case heat-conducting block (11) and outer container heat-conducting block (12) and closely contact, between interior case heat-conducting block (11) and outer container heat-conducting block (12), form the passage of heat, be convenient to carry out samming by the internal case of the passage of heat (1) and outer container (2); Movable heat-conducting block (13) contacts with interior case heat-conducting block (11) and outer container heat-conducting block (12) and then carries out samming, separates and does not then carry out samming;
4. samming process: whether movable heat-conducting block (13) contacts with interior case heat-conducting block (11) and outer container heat-conducting block (12), be subjected to movable heat-conducting block electromagnet (14) control: movable heat-conducting block electromagnet (14) energising, movable heat-conducting block electromagnet (14) adhesive, movable heat-conducting block (13) is mobile to be contacted with interior case heat-conducting block (11) and outer container heat-conducting block (12), and the samming process begins; The self-locking device action makes movable heat-conducting block (13) keep contacting with interior case heat-conducting block (11) and outer container heat-conducting block (12), movable heat-conducting block electromagnet (14) outage; After the startup, movable heat-conducting block electromagnet (14) need not be switched on always in the whole samming process;
5. remove samming: movable heat-conducting block electromagnet (14) is switched on again, self-locking device is removed, movable heat-conducting block (13) disconnect under the effect of back-moving spring with interior case heat-conducting block (11) and outer container heat-conducting block (12) between contact, the samming process finishes, movable heat-conducting block electromagnet (14) cuts off the power supply;
6. the requirement that can look samming of interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) is used one or more; Can be with fritter or bulk; Or use around interior case, around case heat-conducting block (11), outer container heat-conducting block (12) in the heat conduction annulus replacement of outer container, case heat conduction annulus (11A), outer container heat conduction annulus (12A) in becoming; Accordingly, also employing activity heat conduction annulus (13A) of movable heat-conducting block (13).
7. interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13), interior case heat conduction annulus (11A), outer container heat conduction annulus (12A), activity heat conduction annulus (13A) are made by the good material of heat conduction.
The temperature equalizing method of a kind of water tank and outdoor air:
Use the heat exchange water pipe samming unit (20) of native system, can carry out samming to water and the outdoor air of multipurpose water tank, step is as follows:
1. start and water solenoid valve (24), entering water electromagnetic valve (26), by water circulating pump (25) water of multipurpose water tank is extracted into heat exchange water pipe (21);
2. after the water of heat exchange water pipe (21) is filled with, close out water solenoid valve (24), entering water electromagnetic valve (26) and water circulating pump (25);
3. the water of multipurpose water tank contacts with outdoor air by heat exchange water pipe (21) and fin (22) surface, by the transmission of heat, with the outdoor air heat-shift in heat exchange water pipe (21); Till when the temperature of the water in heat exchange water pipe (21) equals the temperature of outdoor air;
4. start and water solenoid valve (24), entering water electromagnetic valve (26), by water circulating pump (25) water of heat exchange water pipe (21) is withdrawn into water tank;
5. repeat 1., 2., 3., 4. process, by after the circulation repeatedly, the temperature of the water of final water tank equals outside air temperature, the samming process finishes;
6. for the occasion of the quick samming of needs, start and water solenoid valve (24), entering water electromagnetic valve (26), water circulating pump (25) is extracted into the water of multipurpose water tank incessantly in heat exchange water pipe (21) and is back to multipurpose water tank immediately, accelerates the transmission of heat to accelerate the samming process.
Claims (10)
1. multipurpose water tank is characterized in that:
Comprise interior case (1), outer container (2);
Also have filling pipe end (9), the following mouth of a river (8), filling pipe end (9) connects filling pipe end threeway electromagnetism water valve (6), the mouth of a river (8) connects mouth of a river threeway electromagnetism water valve (5) down down, a wherein end of two threeway electromagnetism water valves is communicated with and links to each other with running water pipe, is the running water water inlet end; The other end of filling pipe end threeway electromagnetism water valve (6) is hot water outlet, and the other end of following mouth of a river threeway electromagnetism water valve (5) is cooling water outlet; After handling like this, multipurpose water tank can also serve as boiler, cold water storage cistern use except being used for accumulation of energy.
2. multipurpose water tank according to claim 1 is characterized in that:
Case outer container samming unit (10) in further comprising; The samming unit by: interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13), movable heat-conducting block electromagnet (14) are formed;
Movable heat-conducting block (13) is under the control of movable heat-conducting block electromagnet (14), interior case heat-conducting block (11) and outer container heat-conducting block (12) are carried out hot short circuit, case and outer container samming in allowing, the heat of multipurpose water tank is conducted to the space by outer container, change the temperature of multipurpose water tank, thus can be repeatedly to the multipurpose water tank heat radiation or adopt heat, the water of multipurpose water tank is become Cooling and Heat Source, make equipment be operated in the water-cooled pattern, improve Energy Efficiency Ratio.
3. multipurpose water tank according to claim 1 is characterized in that:
Interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) use one or more.
4. multipurpose water tank according to claim 1 is characterized in that:
Interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) or replace with interior case heat conduction annulus (11A), outer container heat conduction annulus (12A), activity heat conduction annulus (13A) are to increase the contact area of interior case, outer container.
5. multipurpose water tank according to claim 1 is characterized in that:
Also comprise: heat exchange water pipe samming unit (20);
Described heat exchange water pipe samming unit (20) comprising: go out water solenoid valve (24), entering water electromagnetic valve (26), water circulating pump (25), heat exchange water pipe (21), fin (22) and protective cover (23).
When there is the temperature difference in the temperature of the temperature of the water of multipurpose water tank and outdoor air, water circulating pump (25) is extracted into heat exchange water pipe (21) to the water of multipurpose water tank, carry out heat exchange by heat exchange water pipe (21) and connected fin (22) with outdoor air, the heat of multipurpose water tank is conducted to the space by heat exchange water pipe (21), change the temperature of multipurpose water tank, finally make water and the outdoor air samming of multipurpose water tank, thereby can be repeatedly to the water-cooled of multipurpose water tank or adopt heat, the water of multipurpose water tank is become Cooling and Heat Source, make equipment be operated in the water-cooled pattern, improve Energy Efficiency Ratio.
6. multipurpose water tank according to claim 1 is characterized in that:
Also comprise: eutectic salts Storage Unit (30);
Described eutectic salts Storage Unit (30) comprising: eutectic salts hydrate (31), retainer ring (32), can (33), thermal trough (34);
In a can made from Heat Conduction Material (33) lining, fill eutectic salts hydrate (31); Can (33) axially have many thermal troughs (34), thermal trough has strengthened the contact area of eutectic salts Storage Unit (30) with the water of multipurpose water tank, is convenient to allow the interior eutectic salts hydrate (31) of water and container of multipurpose water tank carry out exchange heat; Heat in the water of eutectic salts hydrate (31) the absorption multipurpose water tank in the can (33) produces phase transformation, and eutectic salts is melted, and absorbs latent heat; Eutectic salts hydrate (31) in the can (33) is to the water heat release of water tank, produces phase transformation and freezes, and emits latent heat; Realize latent heat accumulator.
7. multipurpose water tank according to claim 1 is characterized in that: also comprise: water tank base or mast-up (4), tank sensor (0), condenser/evaporator assembly (7).
8. interior case and the outer container of multipurpose water tank according to claim 1 is characterized in that: outer container (2) and interior case (1), between heat-insulation layer (3) is arranged.
9. the temperature equalizing method of case and outer container in a kind is characterized in that:
Step is as follows:
1. adopt the way of welding, bonding at the outer wall of interior case (1), the outer wall fluid-tight engagement of case heat-conducting block (11) in one or more with interior case (1);
2. adopt the way of welding, bonding at the inwall of outer container (2), the inwall fluid-tight engagement of one or more outer container heat-conducting blocks (12) with outer container (2);
3. between interior case heat-conducting block (11) and outer container heat-conducting block (12), movable heat-conducting block (13) is set, movable heat-conducting block (13) can move with interior case heat-conducting block (11) and outer container heat-conducting block (12) and closely contact, between interior case heat-conducting block (11) and outer container heat-conducting block (12), form the passage of heat, be convenient to carry out samming by the internal case of the passage of heat (1) and outer container (2); Movable heat-conducting block (13) contacts with interior case heat-conducting block (11) and outer container heat-conducting block (12) and then carries out samming, separates and does not then carry out samming;
4. samming process: whether movable heat-conducting block (13) contacts with interior case heat-conducting block (11) and outer container heat-conducting block (12), be subjected to movable heat-conducting block electromagnet (14) control: movable heat-conducting block electromagnet (14) energising, movable heat-conducting block electromagnet (14) adhesive, movable heat-conducting block (13) is mobile to be contacted with interior case heat-conducting block (11) and outer container heat-conducting block (12), and the samming process begins; The self-locking device action makes movable heat-conducting block (13) keep contacting with interior case heat-conducting block (11) and outer container heat-conducting block (12), movable heat-conducting block electromagnet (14) outage; After the startup, movable heat-conducting block electromagnet (14) need not be switched on always in the whole samming process;
5. remove samming: movable heat-conducting block electromagnet (14) is switched on again, self-locking device is removed, movable heat-conducting block (13) disconnect under the effect of back-moving spring with interior case heat-conducting block (11) and outer container heat-conducting block (12) between contact, the samming process finishes, movable heat-conducting block electromagnet (14) cuts off the power supply;
6. the requirement that can look samming of interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13) is used one or more; Can be with fritter or bulk; Or use around interior case, around case heat-conducting block (11), outer container heat-conducting block (12) in the heat conduction annulus replacement of outer container, case heat conduction annulus (11A), outer container heat conduction annulus (12A) in becoming; Accordingly, also employing activity heat conduction annulus (13A) of movable heat-conducting block (13).
7. interior case heat-conducting block (11), outer container heat-conducting block (12), movable heat-conducting block (13), interior case heat conduction annulus (11A), outer container heat conduction annulus (12A), activity heat conduction annulus (13A) are made by the good material of heat conduction.
10. the temperature equalizing method of a water tank and outdoor air is characterized in that:
Use the heat exchange water pipe samming unit (20) of native system, can carry out samming to water and the outdoor air of multipurpose water tank, step is as follows:
1. start and water solenoid valve (24), entering water electromagnetic valve (26), by water circulating pump (25) water of multipurpose water tank is extracted into heat exchange water pipe (21);
2. after the water of heat exchange water pipe (21) is filled with, close out water solenoid valve (24), entering water electromagnetic valve (26) and water circulating pump (25);
3. the water of multipurpose water tank contacts with outdoor air by heat exchange water pipe (21) and fin (22) surface, by the transmission of heat, with the outdoor air heat-shift in heat exchange water pipe (21); Till when the temperature of the water in heat exchange water pipe (21) equals the temperature of outdoor air;
4. start and water solenoid valve (24), entering water electromagnetic valve (26), by water circulating pump (25) water of heat exchange water pipe (21) is withdrawn into water tank;
5. repeat 1., 2., 3., 4. process, by after the circulation repeatedly, the temperature of the water of final water tank equals outside air temperature, the samming process finishes;
6. for the occasion of the quick samming of needs, start and water solenoid valve (24), entering water electromagnetic valve (26), water circulating pump (25) is extracted into the water of multipurpose water tank incessantly in heat exchange water pipe (21) and is back to multipurpose water tank immediately, accelerates the transmission of heat to accelerate the samming process.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310242867 CN103322680A (en) | 2013-06-08 | 2013-06-08 | Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank |
| CN201410119807.7A CN103851786B (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank and the temperature equalizing method of interior case and outer container |
| CN201420144185.9U CN204202180U (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310242867 CN103322680A (en) | 2013-06-08 | 2013-06-08 | Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103322680A true CN103322680A (en) | 2013-09-25 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310242867 Pending CN103322680A (en) | 2013-06-08 | 2013-06-08 | Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank |
| CN201420144185.9U Expired - Fee Related CN204202180U (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank |
| CN201410119807.7A Active CN103851786B (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank and the temperature equalizing method of interior case and outer container |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144185.9U Expired - Fee Related CN204202180U (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank |
| CN201410119807.7A Active CN103851786B (en) | 2013-06-08 | 2014-03-27 | Multipurpose water tank and the temperature equalizing method of interior case and outer container |
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| CN (3) | CN103322680A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322680A (en) * | 2013-06-08 | 2013-09-25 | 李隆 | Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank |
| CN105972839B (en) * | 2016-06-28 | 2018-01-19 | 常州戚墅堰机车车辆配件工业有限公司 | Hierarchical phase-change heat storage water tank |
| CN111503892B (en) * | 2020-04-15 | 2021-05-18 | 山东齐昊新能源科技有限公司 | Special water storage tank for low heat energy dissipation of air source heat pump water heater |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995855A (en) * | 2006-12-28 | 2007-07-11 | 广东美的电器股份有限公司 | Air conditioning water heater using air source heat pump |
| JP2009014221A (en) * | 2007-07-02 | 2009-01-22 | Chugoku Electric Power Co Inc:The | Hot water storage device |
| JP2009287855A (en) * | 2008-05-30 | 2009-12-10 | Hitachi Appliances Inc | Heat pump water heater |
| CN201407814Y (en) * | 2009-03-25 | 2010-02-17 | 林光舜 | Energy storage heat pump dual-purpose water heater |
| CN103322680A (en) * | 2013-06-08 | 2013-09-25 | 李隆 | Multifunctional water tank and method for uniformizing temperatures of inner tank and outer tank |
-
2013
- 2013-06-08 CN CN 201310242867 patent/CN103322680A/en active Pending
-
2014
- 2014-03-27 CN CN201420144185.9U patent/CN204202180U/en not_active Expired - Fee Related
- 2014-03-27 CN CN201410119807.7A patent/CN103851786B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103851786B (en) | 2018-03-23 |
| CN204202180U (en) | 2015-03-11 |
| CN103851786A (en) | 2014-06-11 |
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Application publication date: 20130925 |