CN209893620U - Dual-mode electric water heater with preheating circulating pump - Google Patents
Dual-mode electric water heater with preheating circulating pump Download PDFInfo
- Publication number
- CN209893620U CN209893620U CN201920380531.6U CN201920380531U CN209893620U CN 209893620 U CN209893620 U CN 209893620U CN 201920380531 U CN201920380531 U CN 201920380531U CN 209893620 U CN209893620 U CN 209893620U
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline
- water tank
- heater
- water inlet
- 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.)
- Active
Links
Images
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a bimodulus electric water heater that circulating pump preheats. The system comprises a cold water inlet pipeline, a hot water outlet pipeline, a water return pipeline, a water tank inlet pipeline, a water tank outlet pipeline, an electric heater, a water return pump, an acquisition terminal and a controller; the water tank is provided with a water tank water inlet pipeline and a water tank water outlet pipeline, the cold water inlet pipeline is connected with the water tank water inlet pipeline, the water tank water outlet pipeline is connected with the hot water outlet pipeline, the hot water outlet pipeline is provided with an electric heater, a water return pipeline is connected between the hot water outlet pipeline and the cold water inlet pipeline, and a water return pump is arranged on the water return pipeline; and the cold water inlet pipeline, the hot water outlet pipeline and the water tank are internally provided with a collection terminal, and the collection terminal, the water return pump and the electric heater are connected with the controller through circuits.
Description
The technical field is as follows:
the utility model belongs to the technical field of electric water heater, in particular to bimodulus electric water heater that circulating pump preheats.
Background art:
the electric water heater is an electric appliance which heats water by using various heating elements, such as an electric heating wire, an electric heating tube, a PTC heating element, a quartz resistance film heating tube, a ceramic heating tube and the like, and the heating modes of the electric water heater mainly include a heat storage mode, a quick heating mode and the like. The traditional heat storage type electric water heater has the advantages of small power and large heat storage water quantity, but has the defects of large volume, low heating speed, easy damage of an electric heating tube, difficult water mixing of users with constant temperature of water outlet and the like. The fast heating electric water heater product is developed rapidly in the market of water heaters in China due to the advantages of small volume, energy conservation, comfort and instant hot water discharge, but many old houses cannot be installed due to the insufficient current bearing capacity of a power supply service line due to the defect of high power. The quick heating type is that the heat storage water tank is reduced to 10-30 liters, and the heating power is increased to 3-5.5KW, so that the preheating time of the water tank is shorter than the heat storage, but the energy storage is insufficient, and the water yield of hot water is obviously insufficient.
Patent No. 201520537105.0 discloses a new type capacity-increasing thermostatic pre-instant double-mode electric water heater. The method comprises the following steps: the system comprises a heat storage water tank, an electric heater, a water mixing valve, a stepping motor, an over-temperature switch and a water pump; the water inlet pipe of the novel capacity-increasing thermostatic pre-heating dual-mode electric water heater is divided into three paths, one path is connected with the cold water port of the heat storage water tank, the other path is connected with the cold water port of the water mixing valve, and the other path is connected with the water pump; the water outlet pipe of the novel capacity-increasing constant-temperature pre-instant dual-mode electric water heater is divided into two paths, one path is connected with a hot water port of the heat storage water tank, and the other path is connected with the electric heater; the water mixing valve is connected with the stepping motor, and a hot water port of the water mixing valve is connected with a hot water port of the heat storage water tank; the electric heater is respectively connected with the water pump and the water mixing outlet of the water mixing valve, and the electric heater is provided with an overtemperature switch. The utility model has the advantages of constant temperature goes out water, volume reduction, and the increase-volume is showing, energy-conservation, increase of service life, satisfies masses' power requirement etc. However, in practical use, due to the defects of the design structure, the water path flow is problematic during preheating circulation and water outlet, and water can flow from the other branch, so that the normal operation of the electric water heater is influenced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
The utility model has the following contents:
an object of the utility model is to provide a bimodulus electric water heater that circulating pump preheats to overcome the defect among the above-mentioned prior art.
In order to achieve the above object, the utility model provides a bimodulus electric water heater that circulating pump preheats, include: the system comprises a cold water inlet pipeline, a hot water outlet pipeline, a water return pipeline, a water tank inlet pipeline, a water tank outlet pipeline, an electric heater, a water return pump, an acquisition terminal and a controller; the water tank is provided with a water tank water inlet pipeline and a water tank water outlet pipeline, the cold water inlet pipeline is connected with the water tank water inlet pipeline, the water tank water outlet pipeline is connected with the hot water outlet pipeline, the hot water outlet pipeline is provided with an electric heater, a water return pipeline is connected between the hot water outlet pipeline and the cold water inlet pipeline, the water return pipeline is provided with a water return pump, and the hot water outlet pipeline is connected with a water outlet valve; and the cold water inlet pipeline, the hot water outlet pipeline and the water tank are internally provided with a collection terminal, and the collection terminal, the water return pump and the electric heater are connected with the controller through circuits.
Preferably, in the technical scheme, a preheating water channel is formed by the water tank, the electric heater, the hot water outlet pipeline, the water return pipeline and the cold water inlet pipeline in sequence; the cold water inlet pipeline, the water tank, the electric heater and the hot water outlet pipeline form a water outlet channel.
Preferably, among the technical scheme, cold water inlet pipe water inlet end, return water pipeline water inlet end are provided with the check valve respectively, prevent that the rivers are reverse to flow.
Preferably, in the technical scheme, the acquisition terminal comprises a flow sensor, a water tank temperature sensor, an inlet water temperature sensor and an outlet water temperature sensor, wherein the flow sensor is arranged at the inlet end of a cold water inlet pipeline, the water tank temperature sensor is arranged in the water tank, the inlet water temperature sensor is arranged at the inlet of the electric heater, and the outlet water temperature sensor is arranged at the outlet end of the electric heater; the flow sensor, the water tank temperature sensor, the water inlet temperature sensor and the water outlet temperature sensor are connected with the controller through lines.
Preferably, in the technical scheme, a temperature control switch is arranged on the electric heater and is connected with a power line of the device through a line.
Preferably, in the technical scheme, the water tank is of a single-body structure or a double-container structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
the water heater of the utility model provides constant water outlet temperature which does not change with the changes of water flow, power supply voltage, water inlet temperature and the like; because of adopting the circulation heating, the hot water temperature of the water tank is even, which is increased by 20 percent compared with the energy storage of the water storage type water tank with the same volume. Since the instant heating mode can supplement heating, hot water of 40 ℃ can be provided even when the temperature of the water tank is as low as 20 ℃, so that the hot water output rate of the water tank can be remarkably improved. The utility model discloses water heater hot water outlet rate improves 100-. Under the condition of the same hot water yield, the utility model discloses the water heater can show and reduce preheating temperature, and water tank preheating time shortens greatly like this, and the calorific loss of hot water reduces on a par, and the product is compared the heat-retaining water heater and is more energy-conserving. When the temperature of inlet water is higher than 25 ℃, the instant heating working mode can be selected, and at the moment, the water tank does not need to be preheated, so that the energy-saving effect is more remarkable. Because of adopting the circulation heating, the hot water steam is obviously reduced, the pressure of the water tank is obviously reduced, the water tank leakage caused by the deformation of the water tank caused by the obvious change of the steam pressure of the traditional water storage type and quick heating type water tanks is avoided, and the service life of the water tank can be obviously prolonged. The utility model discloses water heater preheating temperature can reduce to below 60 ℃, can show like this and reduce water tank scale deposit speed, extension water tank life-span. The power of the water heater is designed to be 3-5.5KW, and the power supply requirements of most users can be met. Can comprehensively replace heat storage type water heater products.
Description of the drawings:
fig. 1 is a schematic structural view of a dual-mode electric water heater preheated by a circulating pump according to the present invention;
FIG. 2 is a schematic block diagram of the controller structure of the present invention;
FIG. 3 is a schematic view of the flow direction of water in the preheating process of the present invention;
FIG. 4 is a schematic view of the water flow direction in the water outlet process of the present invention;
FIG. 5 is a schematic structural view of the instant electric water heater of the present invention;
FIG. 6 is a schematic view of the structure of the electric water heater with double-liner water tank of the present invention;
description of the main reference numerals:
1-a cold water inlet pipeline, 2-a hot water outlet pipeline, 3-a water return pipeline, 4-a water tank, 5-a water tank inlet pipeline, 6-a water tank outlet pipeline, 7-an electric heater, 8-a water return pump, 9-a controller, 10-a one-way valve, 11-a one-way valve, 12-a flow sensor, 13-a water tank temperature sensor, 14-an inlet water temperature sensor, 15-an outlet water temperature sensor, 16-a temperature control switch and 17-a communicating pipe.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1-2, a dual-mode electric water heater with a preheating circulating pump comprises: the system comprises a cold water inlet pipeline 1, a hot water outlet pipeline 2, a water return pipeline 3, a water tank 4, a water tank inlet pipeline 5, a water tank outlet pipeline 6, an electric heater 7, a water return pump 8, an acquisition terminal and a controller 9; a water tank water inlet pipeline 5 and a water tank water outlet pipeline 6 are arranged on the water tank 4, the cold water inlet pipeline 1 is connected with the water tank water inlet pipeline 5, the water tank water outlet pipeline 6 is connected with a hot water outlet pipeline 2, an electric heater 7 is arranged on the hot water outlet pipeline 2, a water return pipeline 3 is connected between the hot water outlet pipeline 2 and the cold water inlet pipeline 1, a water return pump 8 is arranged on the water return pipeline 3, and the hot water outlet pipeline 2 is connected with a water outlet valve; the water return pump 8 and the electric heater 7 are connected with a controller 9 through lines. The water inlet end of the cold water inlet pipeline 1 and the water inlet end of the water return pipeline 3 are respectively provided with a check valve 10 and a check valve 11, so that water flow is prevented from reversely flowing. The electric heater 7 is provided with a temperature control switch 16, and the temperature control switch 16 is connected with a power line of the device through a line.
The system comprises a cold water inlet pipeline 1, a hot water outlet pipeline 2 and a water tank 4, wherein the cold water inlet pipeline 1, the hot water outlet pipeline 2 and the water tank 4 are respectively internally provided with an acquisition terminal, each acquisition terminal comprises a flow sensor 12, a water tank temperature sensor 13, an inlet water temperature sensor 14 and an outlet water temperature sensor 15, the flow sensor 12 is arranged at the water inlet end of the cold water inlet pipeline 1, the water tank temperature sensor 13 is arranged in the water tank 4, the inlet water temperature sensor 14 is arranged at the water inlet of an electric heater 7, and the outlet water temperature sensor 15 is arranged at the water outlet; the flow sensor 12, the water tank temperature sensor 13, the water inlet temperature sensor 14 and the water outlet temperature sensor 15 are connected with the controller 9 through lines.
The water tank 4, the electric heater 7, the hot water outlet pipeline 2, the water return pipeline 3 and the cold water inlet pipeline 1 sequentially form a preheating water channel; the cold water inlet pipeline 1, the water tank 4, the electric heater 7 and the hot water outlet pipeline 2 form a water outlet channel.
As shown in fig. 3, the steps of the fast heating mode of the dual-mode electric water heater with the circulation pump preheating are as follows:
the controller 9 starts the water return pump 8, and rivers flow into hot water outlet pipe way 2 through water tank outlet pipe way 6 from water tank 4, heat rivers through electric heater 7, and the rivers after the heating get into return water pipe way 3, go into cold water inlet pipe way 1 through the 8 pump of water return pump, finally get back to water tank 4 through water tank inlet pipe way 5.
The water tank temperature sensor 13 collects the water temperature T in the water tank1The water temperature sensor 15 collects the heated water temperature T3The controller sets the preheating temperature T0The controller is based on T0-T1The value of (C) controls the power P of the electric heater 7 at T3≤T0In the front, the water temperature is heated circularly to achieve the preheating effect.
As shown in fig. 4, the steps of the water outlet mode of the dual-mode electric water heater with the preheating of the circulating pump are as follows:
cold water enters the water tank 4 from the cold water inlet pipeline 1, is mixed with warm water, flows into the hot water outlet pipeline 2 through the water tank outlet pipeline 6, is heated by the electric heater 7, and is discharged for use through the hot water outlet pipeline 2.
The water tank temperature sensor 13 collects the water temperature T in the water tank1The inlet water temperature sensor 14 collects the mixed inlet water temperature T2The water temperature sensor 15 collects the heated water temperature T3The controller sets the water outlet temperature T4The flow sensor collects the water inflow Q, and the controller is according to T4-T2The value of (A) controls the power P of the electric heater 7 so that T3＝T4And the effect of constant-temperature water outlet is achieved.
As shown in fig. 5, the electric heater 7 is provided on the cold water inlet line 1, and the preheating can be normally performed in the instant heating mode. However, the temperature of the water on the hot water outlet pipeline 2 cannot be adjusted, so that the effect of constant temperature water outlet cannot be achieved.
As shown in fig. 6, the water tank 4 is set to be a double-container structure, the double-container water tanks are connected through a communication pipe 17 arranged at the upper part, the water tank water inlet pipeline 5 and the water tank water outlet pipeline 6 are respectively connected with the water inlet and the water outlet of the double-container water tank 4, the water tank water outlet pipeline 6 extends into the double-container water tank 4, and the water tank temperature sensor 13 is arranged at the inlet of the water tank water outlet pipeline 6.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. A dual-mode electric water heater preheated by a circulating pump is characterized in that: the system comprises a cold water inlet pipeline, a hot water outlet pipeline, a water return pipeline, a water tank inlet pipeline, a water tank outlet pipeline, an electric heater, a water return pump, an acquisition terminal and a controller; the water tank is provided with a water tank water inlet pipeline and a water tank water outlet pipeline, the cold water inlet pipeline is connected with the water tank water inlet pipeline, the water tank water outlet pipeline is connected with the hot water outlet pipeline, the hot water outlet pipeline is provided with an electric heater, a water return pipeline is connected between the hot water outlet pipeline and the cold water inlet pipeline, and a water return pump is arranged on the water return pipeline; and the cold water inlet pipeline, the hot water outlet pipeline and the water tank are internally provided with a collection terminal, and the collection terminal, the water return pump and the electric heater are connected with the controller through circuits.
2. The dual-mode electric water heater with preheating of the circulating pump according to claim 1, characterized in that: the water tank, the electric heater, the hot water outlet pipeline, the water return pipeline and the cold water inlet pipeline sequentially form a preheating water channel; the cold water inlet pipeline, the water tank, the electric heater and the hot water outlet pipeline form a water outlet channel.
3. The dual-mode electric water heater with preheating of the circulating pump according to claim 2, characterized in that: and the water inlet end of the cold water inlet pipeline and the water inlet end of the water return pipeline are respectively provided with a one-way valve.
4. The dual-mode electric water heater with preheating of the circulating pump according to claim 3, characterized in that: the acquisition terminal comprises a flow sensor, a water tank temperature sensor, a water inlet temperature sensor and a water outlet temperature sensor, wherein the flow sensor is arranged at the water inlet end of a cold water inlet pipeline, the water tank temperature sensor is arranged in the water tank, the water inlet temperature sensor is arranged at the water inlet of the electric heater, and the water outlet temperature sensor is arranged at the water outlet end of the electric heater; the flow sensor, the water tank temperature sensor, the water inlet temperature sensor and the water outlet temperature sensor are connected with the controller through lines.
5. The dual-mode electric water heater with preheating of the circulating pump according to claim 4, wherein: the electric heater is provided with a temperature control switch.
6. The dual-mode electric water heater with preheating of the circulating pump according to any one of claims 1 to 5, characterized in that: the water tank is of a single-body structure or a double-liner structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380531.6U CN209893620U (en) | 2019-03-25 | 2019-03-25 | Dual-mode electric water heater with preheating circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380531.6U CN209893620U (en) | 2019-03-25 | 2019-03-25 | Dual-mode electric water heater with preheating circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893620U true CN209893620U (en) | 2020-01-03 |
Family
ID=68997869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920380531.6U Active CN209893620U (en) | 2019-03-25 | 2019-03-25 | Dual-mode electric water heater with preheating circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156688A (en) * | 2020-02-10 | 2020-05-15 | 伍柏峰 | Dual-mode dual-cycle scale-free water heater |
-
2019
- 2019-03-25 CN CN201920380531.6U patent/CN209893620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156688A (en) * | 2020-02-10 | 2020-05-15 | 伍柏峰 | Dual-mode dual-cycle scale-free water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100467972C (en) | Energy saving controlling method for electric water heater, and electrically heating system | |
| CN104949325A (en) | Small-sized water storage type constant-temperature electric water heater for water using terminals | |
| CN202254399U (en) | Control device for hot water supply by matching solar water heater with electric or gas water heater | |
| CN114506903B (en) | Heat preservation type instant heating water purifier | |
| CN109916076A (en) | A kind of water heater increase-volume thermostat | |
| CN107388565A (en) | A kind of electric heater and its isolation control method | |
| CN209857367U (en) | Capacity-increasing thermostatic device for water heater | |
| CN209893620U (en) | Dual-mode electric water heater with preheating circulating pump | |
| CN201129862Y (en) | Pre-directly-heated type high-efficiency heat pump water heater | |
| CN101476781B (en) | Intelligent heating solar water heater | |
| CN210014545U (en) | Capacity-increasing constant-temperature preheating dual-mode electric water heater with preheating circulating pump | |
| CN201110634Y (en) | Pre-instantaneously heated double-mode electric water heater | |
| CN210050983U (en) | Pre-mixing type electric water heater | |
| CN107664350A (en) | A kind of energy-efficient quick-heating electric water heater | |
| CN201059727Y (en) | Fast heating water heater | |
| CN101307949B (en) | Water heater open-and-heating device | |
| CN208382542U (en) | A kind of accumulation energy type immediately heating water heater | |
| CN2479438Y (en) | Solar water heater with auxiliary heating function | |
| CN206648315U (en) | A kind of water-saving device of water heater | |
| CN201034353Y (en) | Solar water heater electric heat-compensating system | |
| JP2015194314A (en) | Solar heat utilization gas hot water system | |
| CN211854488U (en) | Intelligent hot water supply system | |
| CN209840399U (en) | Water purifier preheats | |
| CN201246890Y (en) | Water heater | |
| CN107228402A (en) | A kind of central hot-water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |