CN213599572U - Quick-heating electric water heater capable of preventing water outlet temperature from being too high - Google Patents

Quick-heating electric water heater capable of preventing water outlet temperature from being too high Download PDF

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Publication number
CN213599572U
CN213599572U CN202022374327.9U CN202022374327U CN213599572U CN 213599572 U CN213599572 U CN 213599572U CN 202022374327 U CN202022374327 U CN 202022374327U CN 213599572 U CN213599572 U CN 213599572U
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water
heating
quick
temperature
outlet
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CN202022374327.9U
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廖国明
区兆明
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Zhongshan Lingfeng Electrical Appliance Co ltd
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Zhongshan Lingfeng Electrical Appliance Co ltd
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Abstract

The quick-heating electric water heater comprises a quick-heating electric water heating device, a water flow sensor, a cold water inlet pipe, a hot water outlet pipe, a control device, an inlet water temperature sensor, an outlet water temperature sensor, a heating body temperature sensor and an electric water diversion device, wherein the electric water diversion device is communicated with the cold water inlet pipe and the hot water outlet pipe. When the temperature of the quick-heating electric water heating device is higher than the set temperature, cold water enters a hot water outlet pipe through an electric water diversion device, and the cold water and the hot water are mixed; when the temperature of the quick-heating electric water heating device is the set temperature, the electric water diversion device is closed. Due to the adoption of the structure, when the electric water diversion device is arranged and is shut down and restarted for a short time, and the temperature of the quick-heating type electric water heating device is overhigh, the electric water diversion device is turned on, cold water and hot water are mixed, and the temperature of outlet water is kept constant.

Description

Quick-heating electric water heater capable of preventing water outlet temperature from being too high
Technical Field
The utility model relates to a quick-heating electric water heater.
Background
In the prior art, a quick-heating electric water heater comprises a quick-heating electric water heating device, a water flow sensor, a cold water inlet pipe, a hot water outlet pipe, a control device, a water inlet temperature sensor arranged on the water flow sensor, a water outlet temperature sensor arranged at the water outlet end of the hot water outlet pipe and a heating body temperature sensor arranged on the quick-heating electric water heating device, wherein the water flow sensor, the cold water inlet pipe and the water inlet end of the quick-heating electric water heating device are communicated, and the hot water outlet pipe is communicated with the water outlet end of the quick-heating electric water heating device; the control device is connected with the water inlet temperature sensor, the water outlet temperature sensor and the heating body temperature sensor. There are problems in that: the temperature rise of a pipeline of the quick-heating type electric water heating device is very high after water cut off, the temperature rise of outlet water is violent when the quick-heating type electric water heating device is started again in a short time, the experience feeling is extremely poor, and particularly, the process of starting the quick-heating type electric water heating device again after water cut off and shower gel is more obvious, and the scalding risk exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the quick-heating electric water heater capable of preventing the temperature of the outlet water from being too high has the characteristics of keeping the temperature of the outlet water of hot water constant and preventing the temperature of the outlet water from rising suddenly.
The utility model discloses a realize like this: a quick-heating electric water heater for preventing the temperature of the outlet water from being overhigh comprises a quick-heating electric water heating device, a water flow sensor, a cold water inlet pipe, a hot water outlet pipe, a control device, a water inlet temperature sensor arranged on the water flow sensor, an outlet water temperature sensor arranged at the water outlet end of the hot water outlet pipe and a heating body temperature sensor arranged on the quick-heating electric water heating device, wherein the water flow sensor, the cold water inlet pipe and the water inlet end of the quick-heating electric water heating device are communicated, and the hot water outlet pipe is communicated with the water outlet end of the quick-heating electric water heating; the control device is connected with the water inlet temperature sensor, the water outlet temperature sensor and the heating element temperature sensor; it is characterized in that: the water dispenser also comprises an electric water distribution device, and the electric water distribution device is communicated with the cold water inlet pipe and the hot water outlet pipe.
When the temperature of the quick-heating electric water heating device is higher than the set temperature, cold water enters a hot water outlet pipe through an electric water diversion device, and the cold water and the hot water are mixed;
when the temperature of the quick-heating electric water heating device is the set temperature, the electric water diversion device is closed.
The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh is characterized in that: the electric water diversion device is an electromagnetic valve, the water inlet end of the electromagnetic valve is communicated with the cold water inlet pipe through a water guide pipe, and the water outlet end of the electromagnetic valve is communicated with the hot water outlet pipe.
The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh is characterized in that: the water outlet temperature sensor is arranged on a water outlet port of the electricity-proof wall.
The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh is characterized in that: the electric water diversion device is a three-way flow regulating electromagnetic valve,
the three-way flow regulating electromagnetic valve comprises a hot water inlet interface, a cold water inlet interface and a mixed water outlet interface,
the hot water inlet interface is communicated with the hot water outlet pipe, and the cold water inlet interface is communicated with the cold water inlet pipe through a water guide pipe.
The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh is characterized in that: the quick-heating type electric heating device is characterized by further comprising a water pump, wherein the water pump is arranged on a cold water inlet pipe between the joint of the water guide pipe and the cold water inlet pipe and the water inlet end of the quick-heating type electric heating device.
The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh is characterized in that: the water outlet temperature sensor is arranged on the water outlet interface of the electricity-proof wall.
The utility model relates to a prevent out too high instantaneous electric water heater of temperature owing to adopt such structure, the setting of electronic water diversion device, when shutting down the short time restart, when the instantaneous electric water heater temperature was too high, electronic water diversion device opened, and cold water and hot water mix, keep out the temperature of water invariable.
Drawings
Fig. 1 is a front view of a first embodiment of the present invention.
Fig. 2 is a front view of a second embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an instantaneous electric water heater for preventing the outlet water temperature from being too high includes an instantaneous electric water heater 1, a water flow sensor 2, a cold water inlet pipe 3, a hot water outlet pipe 4, a control device (not shown in the figure), a water inlet temperature sensor 51 arranged on the water flow sensor 2, a water outlet temperature sensor 52 arranged at the water outlet end of the hot water outlet pipe, and a heating element temperature sensor 53 arranged on the instantaneous electric water heater, wherein the water flow sensor 2, the cold water inlet pipe 3 and the water inlet end of the instantaneous electric water heater 1 are communicated, and the hot water outlet pipe 4 is communicated with the water outlet end of the instantaneous electric water heater 1; the control device is connected with a water inlet temperature sensor 51, a water outlet temperature sensor 52 and a heating element temperature sensor 53;
the water dispenser also comprises an electric water distribution device 6, wherein the electric water distribution device 6 is communicated with the cold water inlet pipe 3 and the hot water outlet pipe 4;
when the temperature of the quick-heating electric water heating device 1 is higher than the set temperature, cold water enters the hot water outlet pipe 4 through the electric water diversion device 6, and the cold water and the hot water are mixed;
when the temperature of the instantaneous electric water heater 1 is the set temperature, the electric water diversion device 6 is closed.
The electric water diversion device is an electromagnetic valve, the water inlet end of the electromagnetic valve is communicated with the cold water inlet pipe 3 through a water guide pipe 7, and the water outlet end of the electromagnetic valve is communicated with the hot water outlet pipe 4;
as a further improvement of the present embodiment: the water heater also comprises an electricity-proof wall 8, wherein the electricity-proof wall 8 is communicated with the hot water outlet pipe 4, and the water outlet interface of the electricity-proof wall 8 is provided with the water outlet temperature sensor 52.
When the utility model is used, when the control device receives the signal of the water flow sensor to start (the surface user uses hot water), the system switches on the quick-heating electric water heating device at the first time, meanwhile, the control device analyzes the temperatures of the inlet water temperature sensor 51, the hot water outlet temperature sensor 53 and the heating element temperature sensor 53, judges whether the temperature of the quick-heating electric water heating device 1 is higher than the set temperature (when the quick-heating electric water heating device 1 is restarted for multiple times by using water for a short time, the temperature of the water in the inner pipeline of the heating element is increased by using the waste heat of the quick-heating electric water heating device 1), if the temperature of the heating element is higher than the set temperature, the system opens the electromagnetic valve at the first time to pre-mix tap water and hot water of the heating element and then output the pre-mixed tap water and hot water, thereby preventing the high temperature of the outlet water and scalding, when the system judges that the temperature of the heating body is reduced, the system closes the electromagnetic valve, so that the machine quickly rises the temperature to reach the set temperature.
Example 2
The electric water diversion device 6 is a three-way flow regulating electromagnetic valve,
the three-way flow regulating electromagnetic valve comprises a hot water inlet interface 61, a cold water inlet interface 62 and a mixed water outlet interface 63,
the hot water inlet interface 61 is communicated with the hot water outlet pipe 4, and the cold water inlet interface 62 is communicated with the cold water inlet pipe 3 through the water guide pipe 7;
the quick-heating electric heating device also comprises a water pump 9, wherein the water pump 9 is arranged on the cold water inlet pipe 3 between the joint of the water guide pipe 7 and the cold water inlet pipe 3 and the water inlet end of the quick-heating electric heating device 1.
The water outlet temperature sensor is characterized by further comprising an electricity-proof wall 8, wherein the electricity-proof wall 8 is communicated with the mixed water outlet port 63, and the water outlet temperature sensor 52 is arranged on the water outlet port of the electricity-proof wall 8.
When the control device receives the signal starting of the water flow sensor (a surface user uses hot water), the system is switched on to supply power to the quick-heating electric water heating device (quick heating) at the first time, meanwhile, the system analyzes the water inlet temperature sensor, the water outlet temperature sensor and the temperature of the heating body temperature sensor, judges whether the temperature of the quick-heating electric water heating device is higher than the set temperature (when the water is used for multiple times in a short time and is restarted, the temperature of the inner pipeline of the heating body can be increased by the waste heat of the heating body), and if the temperature of the heating body is higher than the set temperature, the three-way flow regulating electromagnetic valve is switched on at the first time, tap water and hot water are. When the system judges that the temperatures of the three are consistent and no scalding risk exists, the system temporarily closes the hot water channel, so that the water temperature in the quick-heating type electric water heating device is quickly increased, the temperature increase time is shortened, and the waste of heat generated by the temperature increase is also reduced. This scheme can solve the waste heat messenger temperature of fast hot type electric hot water device and rise, and it has the problem of scalding the risk to put water, also can solve first heating temperature rise slow, the extravagant problem of heat, promotes the use of machine greatly and experiences the sense.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.

Claims (6)

1. A quick-heating electric water heater for preventing the temperature of the outlet water from being overhigh comprises a quick-heating electric water heating device, a water flow sensor, a cold water inlet pipe, a hot water outlet pipe, a control device, a water inlet temperature sensor arranged on the water flow sensor, an outlet water temperature sensor arranged at the water outlet end of the hot water outlet pipe and a heating body temperature sensor arranged on the quick-heating electric water heating device, wherein the water flow sensor, the cold water inlet pipe and the water inlet end of the quick-heating electric water heating device are communicated, and the hot water outlet pipe is communicated with the water outlet end of the quick-heating electric water heating; the control device is connected with the water inlet temperature sensor, the water outlet temperature sensor and the heating element temperature sensor; the method is characterized in that: the electric water diversion device is communicated with the cold water inlet pipe and the hot water outlet pipe;
when the temperature of the quick-heating electric water heating device is higher than the set temperature, cold water enters a hot water outlet pipe through an electric water diversion device, and the cold water and the hot water are mixed;
when the temperature of the quick-heating electric water heating device is the set temperature, the electric water diversion device is closed.
2. The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh as set forth in claim 1, is characterized in that: the electric water diversion device is an electromagnetic valve, the water inlet end of the electromagnetic valve is communicated with the cold water inlet pipe through a water guide pipe, and the water outlet end of the electromagnetic valve is communicated with the hot water outlet pipe.
3. The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh as claimed in claim 2, is characterized in that: the water outlet temperature sensor is arranged on a water outlet port of the electricity-proof wall.
4. The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh as set forth in claim 1, is characterized in that: the electric water diversion device is a three-way flow regulating electromagnetic valve,
the three-way flow regulating electromagnetic valve comprises a hot water inlet interface, a cold water inlet interface and a mixed water outlet interface,
the hot water inlet interface is communicated with the hot water outlet pipe, and the cold water inlet interface is communicated with the cold water inlet pipe through a water guide pipe.
5. The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh as set forth in claim 4, is characterized in that: the quick-heating type electric heating device is characterized by further comprising a water pump, wherein the water pump is arranged on a cold water inlet pipe between the joint of the water guide pipe and the cold water inlet pipe and the water inlet end of the quick-heating type electric heating device.
6. The quick-heating electric water heater capable of preventing the outlet water temperature from being overhigh as claimed in claim 4 or 5, is characterized in that: the water outlet temperature sensor is arranged on the water outlet interface of the electricity-proof wall.
CN202022374327.9U 2020-10-22 2020-10-22 Quick-heating electric water heater capable of preventing water outlet temperature from being too high Active CN213599572U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022374327.9U CN213599572U (en) 2020-10-22 2020-10-22 Quick-heating electric water heater capable of preventing water outlet temperature from being too high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022374327.9U CN213599572U (en) 2020-10-22 2020-10-22 Quick-heating electric water heater capable of preventing water outlet temperature from being too high

Publications (1)

Publication Number Publication Date
CN213599572U true CN213599572U (en) 2021-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983691A (en) * 2021-11-09 2022-01-28 广东超人节能厨卫电器有限公司 Constant temperature storehouse and water heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983691A (en) * 2021-11-09 2022-01-28 广东超人节能厨卫电器有限公司 Constant temperature storehouse and water heater

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