CN211120071U - Solar water heater with high-temperature protection function - Google Patents

Abstract

The utility model discloses a solar water heater that has high temperature protect function relates to solar water heater technical field. The utility model comprises a solar water heater, and is characterized by further comprising a high-temperature overflow port, an overflow valve, an overflow pipe section, a hot water tank, a water inlet valve, a sewer pipe of the hot water tank, a temperature measuring module, a signal conditioning module, an A/D conversion module, an MCU, a power module, a first relay, a second relay, a first triode, a second triode, a first resistor, a second resistor, a first diode and a second diode; the utility model discloses a set up high temperature overflow valve on solar water heater tank, hot-water tank etc. introduces the hot-water tank to unnecessary hot water in the solar water heater, can prevent that the temperature is overheated, can increase usable hot water again.

Description

Solar water heater with high-temperature protection function

Technical Field

The utility model belongs to the technical field of solar water heater, especially, relate to a solar water heater that has high temperature protect function.

Background

The solar water heater is a heating device for converting solar energy into heat energy, heats water from low temperature to high temperature so as to meet the requirement of hot water use of people in life and production, is a common energy-saving electric appliance, is usually installed at the top of an outdoor building, leads hot water into the indoor through an intermediate sewer pipe, usually adopts a rubber pipeline, can cause the aging of the pipeline when the temperature of the water in the pipeline is high, and can influence the service life of a vacuum pipe if the water in a water tank of the solar water heater is in a high-temperature or even boiling state.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar water heater that has high temperature protect function.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a solar water heater with high temperature protection function, which comprises a solar water heater.

The device comprises a high-temperature overflow port, an overflow valve, an overflow pipe section, a hot water tank, a water inlet valve, a sewer pipe of the hot water tank, a temperature measuring module, a signal conditioning module, an A/D conversion module, an MCU (microprogrammed control unit), a power supply module, a first relay, a second relay, a first triode, a second triode, a first resistor, a second resistor, a first diode and a second diode;

the overflow valve and the inlet valve are electromagnetic valves;

the high-temperature overflow port is arranged in the upper water tank of the solar water heater and close to the top;

the water inlet of the overflow valve is arranged on the high-level overflow port;

the water outlet of the overflow valve is connected to the hot water tank through an overflow pipe section;

the water outlet of the hot water tank is connected to a water using pipe through the hot water tank drain valve and the hot water tank drain pipe;

preferably, the hot water tank drain valve can be a solenoid valve or a manual valve;

the temperature measuring module is connected with the signal conditioning module, the signal conditioning module is connected with the A/D conversion module, the A/D conversion module is connected with the MCU, and the power supply is connected with the MCU;

the MCU is connected with the bases of the first triode and the second triode through the first resistor and the second resistor respectively, the first relay and the second relay are connected with the power supply and the collectors of the first triode and the second triode respectively, and the emitters of the first triode and the second triode are grounded.

The utility model discloses following beneficial effect has:

the utility model discloses when solar water heater's temperature was too high, start the water intaking valve, pour into cold water into gradually in the water tank, make the temperature in the water heater reduce gradually, the water tank overflow is sent to the hot-water tank for use in simultaneously, can prevent that the too high life-span that influences the water heater of water temperature can increase usable hot water again.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is an electrical schematic of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a water tank, 2-a water overflow pipe opening, 3-an overflow valve, 4-a water overflow pipe section, 5-a hot water tank, 6-a hot water tank sewer pipe, 7-a hot water tank sewer valve, 8-a water using pipe and 9-a water inlet valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention relates to a solar water heater with high temperature protection function, including a solar water heater.

In the embodiment of fig. 1, the system further comprises a high-temperature overflow port 2, an overflow valve 3, an overflow pipe section 4, a hot water tank 5, an inlet valve 9, a hot water tank sewer pipe 6 and a hot water tank sewer valve 7;

the temperature measuring module, the signal conditioning module, the A/D conversion module, the MCU, the power supply module, the first relay, the second relay, the first triode, the second triode, the first resistor, the second resistor, the first diode and the second diode;

the overflow valve 3 and the water inlet valve 9 are electromagnetic valves and are respectively arranged at a high-temperature overflow port and a water inlet pipe section of the solar water tank, the water outlet of the overflow valve is connected to the hot water tank through the overflow pipe section, when the water temperature in the solar water tank is overhigh, the water inlet valve 9 is opened, cold water enters the solar water tank 1, the overflow valve 3 is opened at the same time, and high-temperature overflow water in the solar water tank flows into the hot water tank from the high-temperature overflow port 2 through the overflow valve 3 and the overflow pipe section 4 for standby;

the high-temperature overflow port is arranged in the upper water tank of the solar water heater close to the top, and overflow water flows out only after the water in the solar water tank is full;

the water outlet of the hot water tank is connected to a water using pipe through a hot water tank drain valve 7 and a hot water tank drain pipe 6;

the drain valve of the hot water tank can be an electromagnetic valve or a manual valve;

in the embodiment of fig. 2, a control circuit of the water inlet valve and the overflow valve is shown, wherein the temperature measuring module is connected with the signal conditioning module, the signal conditioning module is connected with the a/D conversion module, the a/D conversion module is connected with the MCU, and the power supply is connected with the MCU; the MCU is respectively connected with the base electrodes of the first triode and the second triode through the first resistor and the second resistor, the relay and the second relay are respectively connected with the power supply and the collector electrodes of the first triode and the second triode, and the emitting electrodes of the first triode and the second triode are grounded. The temperature measuring module measures the water temperature in the solar water tank, the water temperature is sent to the MCU through signal conditioning and A/D conversion, and the water inlet valve and the overflow valve are controlled to be opened and closed through a relay.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (2)

1. A solar water heater with a high-temperature protection function comprises a solar water heater and is characterized by further comprising a high-temperature overflow port, an overflow valve, an overflow pipe section, a hot water tank, a water inlet valve, a sewer pipe of the hot water tank, a temperature measuring module, a signal conditioning module, an A/D conversion module, an MCU (micro control unit), a power module, a first relay, a second relay, a first triode, a second triode, a first resistor, a second resistor, a first diode and a second diode;

the overflow valve and the inlet valve are electromagnetic valves;

the high-temperature overflow port is arranged in the upper water tank of the solar water heater and close to the top;

the water inlet of the overflow valve is arranged at the high-temperature overflow port;

the water outlet of the overflow valve is connected to the hot water tank through an overflow pipe section;

the water outlet of the hot water tank is connected to a water using pipe through a hot water tank drainage valve and a hot water tank drainage pipe;

the temperature measuring module is connected with the signal conditioning module, the signal conditioning module is connected with the A/D conversion module, the A/D conversion module is connected with the MCU, and the power supply is connected with the MCU;

the MCU is connected with the bases of the first triode and the second triode through the first resistor and the second resistor respectively, the first relay and the second relay are connected with the power supply and the collectors of the first triode and the second triode respectively, and the emitters of the first triode and the second triode are grounded.

2. The solar water heater with the high temperature protection function as claimed in claim 1, wherein the hot water tank drain valve can be an electromagnetic valve or a manual valve.

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