TWI615584B - Water heater apparatus and water heating method thereof - Google Patents

Abstract

The utility model relates to a non-return water circulation device, which comprises a water heater main body, a pressure pump, a cold water pipeline, a hot water pipeline, a water outlet device, a water supply pipeline, a temperature controller, a temperature sensor and a water flow power generation module. The thermostat is electrically connected to the water heater main unit, and the thermostat is electrically connected to a first RF transmission module. The temperature sensor is connected to the hot water pipeline, the temperature sensor is electrically connected to a second RF transmission module, and the first RF transmission module and the second RF transmission module are transmitted by radio frequency. Transfer the temperature data to the thermostat. The water flow power generation module is assembled on the water supply pipeline, and the water flow power generation module is electrically connected to the temperature sensor and the second RF transmission module by the wire, and the water flow power generation module can supply the temperature sensor and the second RF transmission module. The power required. Therefore, it is used to solve the problem that the dry battery needs to be replaced, and the AC power source has no socket and wiring. A repeater may be disposed between the first RF transmission module and the second RF transmission module of the present invention.

Description

No return pipe circulation device and preheating method thereof

The invention provides a non-return pipe circulation device and a preheating method thereof, in particular to a non-return pipe circulation device applied to a gas water heater and a preheating method thereof.

With the advancement of the times, water heaters have become an indispensable device for the current home life. The energy classification of water heaters can be divided into three types: gas water heaters, electric water heaters and solar water heaters. Among them, gas water heaters are most commonly used. Conventional gas water heaters usually include a burner and a heat exchanger, and the burner can be used to heat the heat exchanger so that cold water can enter the heat exchanger for heat exchange and then discharge the hot water.

However, when the water heater wants to use hot water, it takes a period of heating time to turn on the faucet before it starts to generate hot water, which not only wastes water resources, but also causes inconvenience to users. Especially in recent years, affected by environmental changes, the distribution of the rainy season is becoming more and more uneven, which leads to uneven water storage in the reservoir. Therefore, water shortage often occurs in the non-rainy season. If a large amount of water is wasted, the environment will also be expanded. Destruction, and wasting water, will also increase water bills, so saving water has become the mainstream in recent years.

The applicant has proposed a "water-saving circulation heating device" (certificate number: M433543), which is mainly to set up a water return pipe in the water heater, which can heat the cold water in the pipeline through the pump to the equipment to make it in the pipeline. Cold water turns into hot water, turning on the faucet That is, there is hot water, no longer cold water, to reduce the waste of water resources, and also allow users to immediately have hot water to use. However, the above-mentioned "water-saving circulation heating equipment" must be provided with a return water pipe to achieve the effect of water saving and immediate hot water use.

At present, there is another water heater with preheating function. Pressing the preheat button on the remote control can make the pressurized pump pressurize the cold water, let the cold water enter the water heater for preheating combustion, and the user turns on the hot water tap, then there is already The hot water heating is completed, so that the user can use the hot water immediately, which can reduce the waste of water resources without setting up the return water pipeline. However, the water heater with preheating function must be provided with a temperature detecting module under the washbasin. The temperature detecting module needs to use a dry battery or an AC power source to supply power, so there is a need to replace the dry battery, use an AC power source without a socket, and Wiring problems.

In summary, the present inventors have felt that the above-mentioned defects can be improved, and the present invention has been put forward with great interest in designing and cooperating with the theory, and finally proposes a invention which is reasonable in design and effective in improving the above-mentioned defects.

The technical problem to be solved by the present invention is to provide a non-return pipe circulation device and a preheating method thereof, which are used for solving the problem that the use of the dry battery requires replacement, the use of the AC power source without the socket and the wiring.

In order to solve the above technical problem, the present invention provides a non-returning water circulation device, comprising: a water heater main body, the water heater main body is connected to a cold water pipe and a hot water pipe; a pressurized pump, the pressurizing pump is connected to the a water heater main unit; a water outlet device connected to the hot water pipe; a water supply pipe connected to the water outlet device; a temperature controller electrically connected to the water heater main body, the thermostat Electrically connected to a first RF transmission module; a temperature sensor, the temperature sensor is mounted on the hot water pipe, the temperature sensor is electrically connected to a second RF transmission module, and the first RF transmission The module and the second RF transmission module transmit signals by radio frequency to transmit temperature data to the thermostat; and the water flow power generation module is assembled on the water supply pipeline. The water flow power generation module is electrically wired The temperature sensor and the second RF transmission module are connected to the power sensor and the power required by the second RF transmission module.

In order to solve the above technical problem, the present invention also provides a preheating method for a non-return pipe circulation device, comprising the steps of: providing a non-return pipe circulation device comprising a water heater main engine, a pressurized pump, a water discharge device, a water supply pipe, a temperature controller, a temperature sensor and a water flow power generation module, the water heater main body is connected to a cold water pipe and a hot water pipe, the pressure pump is connected to the water heater main body, and the water discharge device is connected to the water supply device a hot water pipe, the water supply pipe is connected to the water outlet device, the temperature controller is electrically connected to the water heater main body, the temperature controller is electrically connected to a first RF transmission module, and the temperature sensor is installed in the hot water pipe In the hot water pipeline, the temperature sensor is electrically connected to a second RF transmission module, and the first RF transmission module and the second RF transmission module transmit signals by radio frequency, and the water flow generation module Installed on the water supply pipeline, the water flow power generation module is electrically connected to the temperature sensor and the second RF transmission module by a wire; and the non-return water circulation device is activated in a remote manner to perform preheating, and then The pressure pump is started, and the pressurized pump pressurizes the cold water in the cold water pipeline to allow cold water to enter the water heater main body for preheating combustion, and the cold water in the hot water pipeline is pressurized and sent to the water supply pipeline. The temperature sensor detects the hot water temperature of the hot water pipe, and the temperature information is transmitted back to the water heater host by the radio frequency method between the first RF transmission module and the second RF transmission module; When the hot water temperature reaches a set value, the water heater main unit is controlled to stop heating, and the pressure pump is controlled to stop operating.

The present invention has at least the following advantages: the present invention integrates a water flow power generation mold on a water supply pipeline, and the water flow power generation module is electrically connected to the temperature sensor and the second RF transmission module by a wire, and the water flow power generation module can supply The power required by the temperature sensor and the second RF transmission module. Therefore, it is used to solve the problem that the dry battery needs to be replaced, and the AC power source has no socket and wiring. Furthermore, the water flow power generation module of the present invention can generate electricity by using a cold water flow in the water supply pipeline, and when the cold water is used all year round, the water flow power generation module can generate electricity to supply the temperature sensor. And the power required by the second RF transmission module.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

1‧‧‧Water heater host

2‧‧‧Pressure pump

3‧‧‧ cold water pipeline

4‧‧‧ hot water pipeline

41‧‧‧Check valve

5‧‧‧Water outlet

51‧‧‧ washbasin

6‧‧‧Water supply pipeline

7‧‧‧ thermostat

71‧‧‧First RF transmission module

8‧‧‧Temperature Sensor

81‧‧‧Second RF transmission module

9‧‧‧Water flow power generation module

91‧‧‧Wire

10‧‧‧RF Repeater

1 is a schematic view of a non-return pipe circulation apparatus of the present invention.

2 is an electrical control block diagram of a non-return water circulation device of the present invention.

3 is a flow chart of a method for preheating a non-return water circulation device of the present invention.

[First Embodiment]

Referring to FIG. 1 , the present invention provides a non-return water circulation device, including a water heater main body 1, a pressurized pump 2, a cold water pipeline 3, a hot water pipeline 4, a water outlet device 5, a water supply pipeline 6, and a temperature controller 7. The temperature sensor 8 and the water flow power generation module 9.

The water heater main body 1 can be a gas water heater, and the inside thereof can include a burner and a heat exchanger (not shown), etc., and the burner can be used to heat the heat exchanger so that cold water can enter the heat exchanger for heat exchange. Use hot water again. The water heater main unit 1 is connected to a cold water pipe 3 and a hot water pipe 4, and the cold water pipe 3 is connected to a suitable water source, and can be used to input cold water to the water heater main unit 1. The hot water line 4 can be used to output hot water for the user to use. Since the configuration of the water heater main unit 1 belongs to the prior art, and the present invention does not limit the type and configuration of the water heater main unit 1, it will not be described again.

The pressure pump 2 is connected to the water heater main unit 1, that is, the pressure pump 2 can be connected between the water heater main unit 1 and the hot water line 4, or connected between the water heater main unit 1 and the cold water line 3, In the embodiment, the pressurizing pump 2 is connected between the water heater main body 1 and the hot water pipe 4, and the pressurizing pump 2 can be disposed in the water heater main body 1, and the pressurizing pump 2 can be used for pressurizing the cold water pipe 3 and the water in the hot water line 4.

The water outlet device 5 is connected to the hot water pipe 4, and the water outlet device 5 can be a device such as a faucet or a shower head, and the water outlet device 5 can be disposed in a washbasin, a flow table, a bathroom or a shower device, etc., for outputting Water used (cold water, hot water). The type and configuration of the water outlet device 5 are not limited, and may be changed as needed. The number of the water outlet device 5 is not limited, and may be one, two or more, etc., and only disclosed in this embodiment. A water outlet device 5 is provided. The water outlet device 5 is a faucet disposed above a washbasin 51, and hot water can be delivered to the water outlet device 5 via the hot water conduit 4.

The water supply line 6 is connected to a water discharge device 5 that is connected to a suitable water source through which cold water can be delivered to the water discharge device 5. The hot water pipe 4 and the water supply pipe 6 can be connected to each other, and a check valve 41 can be installed at one end of the hot water pipe 4, that is, a check valve 41 can be installed between the hot water pipe 4 and the water supply pipe 6. To avoid cold water entering the hot water line 4.

The thermostat 7 is electrically connected to the water heater main unit 1, that is, the thermostat 7 can be electrically connected to the main control circuit of the water heater main unit 1 (not shown) and the pressurized pump 2 by means of a wired transmission mode (wire). Control the operation of the water heater main unit 1. The thermostat 7 is electrically connected to a first RF transmission module 71.

The temperature sensor 8 can be a thermistor sensor or the like, and the type thereof is not limited. The temperature sensor 8 is disposed on the hot water pipe 4, that is, the temperature sensor 8 can be disposed at a position of one end of the hot water pipe 4 near the water outlet device 5, and the temperature sensor 8 is adjacent to the water outlet device 5, The detection of hot water temperature can be more accurate. The temperature sensor 8 is electrically connected to a second RF transmission module 81. The temperature sensor 8 and the second RF transmission module 81 can be disposed under the washbasin 51. A radio frequency (RF) can be used for signal transmission between the first RF transmission module 71 and the second RF transmission module 81. The temperature sensor 8 can be used to detect the hot water temperature, and the second RF transmission module 81 is used to transmit the temperature data to the first RF transmission module 71 of the thermostat 7, and then transmitted to the main controller of the water heater main unit 1. Circuit. In this embodiment, an RF is further disposed between the first RF transmission module 71 and the second RF transmission module 81. The repeater 10 is configured to enhance the signal transmitted by the second RF transmission module 81 to the first RF transmission module 71.

In another embodiment of the present invention, two or more water outlet devices 5 may be provided. The temperature sensor 8 is preferably, but not limited to, disposed at the extreme end of the water outlet device 5, so-called "the end The water outlet device refers to the point of use farthest from the water heater main unit 1. The temperature sensor 8 is electrically connected to the water heater main body 1 by a radio frequency method, and the temperature sensor 8 can be used to detect the water outlet temperature of the corresponding water outlet device 5.

The water flow power generation module 9 is a water flow generator installed on the water supply line 6, that is, the water flow power generation module 9 can be disposed at one end of the water supply line 6 near the water discharge device 5 for electrical It is connected to the temperature sensor 8 and the second RF transmission module 81. The water flow power generation module 9 can generate electricity by using the water flow of the cold water in the water supply pipeline 6, and the water flow power generation module 9 is electrically connected to the temperature sensor 8 and the second RF transmission module 81 by the wire 91, and is used all year round. In the case of cold water, the water flow power generation module 9 can generate electricity to supply the electric power required by the temperature sensor 8 and the second RF transmission module 81 installed on the hot water line 4. In addition, the water flow power generation module 9 may further be provided with a power storage device (not shown) for storing electric power, and the power storage device is electrically connected to the water flow power generation module 9, the temperature sensor 8 and the second RF transmission module. 81. The electric power generated by the water flow power generation module 9 can be stored in the power storage device, and the electric power is transmitted to the temperature sensor 8 and the second RF transmission module 81 via the power storage device.

Referring to FIG. 2, the water flow power generation module 9 of the present invention can supply the power required by the temperature sensor 8 and the second RF transmission module 81, and the first RF transmission module 71 and the second RF transmission module 81 and The RF repeater 10 performs signal transmission by radio frequency to transmit temperature data to the thermostat 7 for backwater temperature determination control. The thermostat 7 transmits signals to the water heater main unit 1 and the pressurized pump 2 in a wired transmission (wire) manner, and performs combustion control of the water heater main unit 1 and operation control of the pressurized pump 2.

The non-return water circulation device of the invention can also have the function of preheating hot water without the return water pipeline. When the user starts using the non-returning water circulation device, The non-returning water circulation device is pre-heated by remote control using a remote controller or a handheld device (such as a mobile phone), and when the non-returning water circulation device starts the preheating function, the pressurized pump 2 starts to operate, and the pressure is applied. The pump 2 can pressurize (pump) the cold water in the cold water pipe 3 to let the cold water enter the water heater main body 1 for preheating combustion, and pressurize the cold water in the hot water pipe 4 to the water supply pipe 6, at this time, the water heater The main control circuit of the host 1 can control the heating.

After a period of time, the hot water is transferred to the water discharge device 5 above the washbasin 51, and the pressurized pump 2 is stopped. That is, the temperature sensor 8 is installed on the hot water pipeline 4, and the temperature data is transmitted back to the first RF transmission module 71 of the thermostat 7 through the second RF transmission module 81 at intervals. Transfer to the main control circuit of the water heater main unit 1. When the temperature of the hot water reaches a set value (for example, 35 ° C ~ 40 ° C), the temperature sensor 8 detects the arrival temperature, that is, the temperature data is transmitted back to the water heater host 1 through the wireless radio frequency transmission method to control the pressure pump. 2 Stop running, so as to control the temperature does not continue to rise, to avoid the outlet water temperature is too high. Therefore, if the user opens the water outlet device 5 (such as a hot water tap), the hot water is already heated, and the water is hot water, so that the user can immediately use the hot water to reduce the waste of water resources. Therefore, it is used to solve the problem that the dry battery needs to be replaced, and the AC power source has no socket and wiring.

[Second embodiment]

Referring to FIG. 3, the present invention further provides a preheating method for a non-return pipe circulation device, comprising the steps of: firstly, providing a non-return pipe circulation device; since the non-return pipe circulation device is the same as the above embodiment, no further description is provided. Then, the non-returning water circulation device is started to be preheated by a remote control or a handheld device (such as a mobile phone) through a remote control manner such as a cloud; when the non-returning water circulation device starts the preheating function, the pressure pump 2 is started, The pressurized pump 2 pressurizes the cold water in the cold water pipe 3 to allow the cold water to enter the water heater main unit 1 for preheating combustion, and pressurizes the cold water in the hot water pipe 4 into the water supply pipe 6; then, the control The water heater main unit 1 continues to heat, and the temperature sensor 8 detects The hot water temperature of the hot water pipeline 4 is measured, and the temperature data is transmitted back to the water heater main body 1 by the radio frequency transmission method between the first RF transmission module 71 and the second RF transmission module 81; that is, the temperature sensor 8 Installed on the hot water pipe 4, and the temperature data is transmitted back to the first RF transmission module 71 of the thermostat 7 through the second RF transmission module 81 at intervals, and then transmitted to the main controller of the water heater host 1 a circuit; and when the hot water temperature reaches a set value (eg, 35 ° C ~ 40 ° C), controlling the water heater main unit 1 to stop heating, and controlling the pressurizing pump 2 to stop operating, the first RF transmission module 71 and the The second RF transmission module 81 can also stop returning the temperature data of the temperature sensor 8 to the water heater host 1. In addition, the remote controller or the handheld device (such as a mobile phone) can be further notified to the user that the hot water temperature is reached. When the user turns on the water outlet device 5, the hot water is heated to complete, so that the user can immediately use the hot water.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, the equivalent changes of the present invention and the contents of the drawings are all included in the protection of the present invention. Within the scope, it is combined with Chen Ming.

This representative figure is a flow chart, so there is no symbolic simple explanation.

Claims (8)

The utility model relates to a non-returning water circulation device, comprising: a water heater main body, the water heater main body is connected to a cold water pipeline and a hot water pipeline; and the pressurized pump is connected to the water heater main body; the water outlet device, the water outlet device is connected In the hot water pipeline; the water supply pipeline, the water supply pipeline is connected to the water outlet device; the thermostat is electrically connected to the water heater main body by a wired transmission method, and the thermostat is electrically connected to the first An RF sensor module; the temperature sensor is disposed on the hot water pipe, and the temperature sensor is disposed at a position of the hot water pipe near the water outlet device, and the temperature sensor is electrically Connecting a second RF transmission module, wherein the first RF transmission module and the second RF transmission module transmit signals by radio frequency to transmit temperature data to the thermostat; and the water flow generation module The water flow power generation module is assembled on the water supply pipeline, and the water flow power generation module is disposed at a position of the water supply pipeline near the water outlet device, and the water flow power generation module is electrically connected to the temperature sensing by the wire And said second RF transmission module, the power module is able to supply water temperature required to power the sensor and the second RF transmission module. The non-returning water circulation device of claim 1, wherein an RF repeater is disposed between the first RF transmission module and the second RF transmission module. The non-returning water circulation device of claim 1, wherein the water outlet device is a faucet, the water outlet device is disposed above a washbasin, and the temperature sensor and the second RF transmission module are disposed on the washbasin. Below. The non-return pipe circulation device of claim 1, wherein the hot water pipe and the water supply pipe are in communication, and a check valve is installed between the hot water pipe and the water supply pipe. A preheating method for a non-return pipe circulation device, comprising the steps of: providing a non-return pipe circulation device comprising a water heater main body, a pressurized pump, a water discharge device, a water supply pipe, a temperature controller, and a temperature sense Detector and a water flow power generation module, the water heater main body is connected to a cold water pipe and a hot water pipe, the pressure pump is connected to the water heater main body, the water discharge device is connected to the hot water pipe, and the water supply pipe is connected to the water discharge device The temperature controller is electrically connected to the water heater main body by a wired transmission method, and the temperature controller is electrically connected to a first RF transmission module, and the temperature sensor is installed on the hot water pipeline, the temperature sensor The temperature sensor is electrically connected to a second RF transmission module, and the first RF transmission module and the second RF transmission module are wirelessly connected to each other. The RF power generation module is assembled on the water supply pipeline, and the water flow power generation module is disposed at a position of the water supply pipeline near the water outlet device, and the water flow power generation module is electrically connected to the power conduit. The temperature sensor and the second RF transmission module; the non-return water circulation device is activated in a remote manner for preheating, and then the pressure pump is started, and the pressure pump adds cold water in the cold water pipeline Pressurize cold water Entering the water heater main body for preheating combustion, and sending cold water in the hot water pipe to the water supply pipe; detecting the hot water temperature of the hot water pipe by the temperature sensor, the first RF transmission mode The temperature data is returned to the water heater host by the radio frequency method between the group and the second RF transmission module; and when the hot water temperature reaches a set value, the water heater main unit is controlled to stop heating, and the pressure pump is controlled Pu stopped working. The preheating method of the non-returning water circulation device of claim 5, wherein an RF repeater is disposed between the first RF transmission module and the second RF transmission module to enhance the transmission signal. The method of preheating a non-returning water circulation device according to claim 5, wherein the water outlet device is a faucet, the water outlet device is disposed above a washbasin, and the temperature sensor and the second RF transmission module are disposed on Below the washbasin. The preheating method of the non-return pipe circulation device according to claim 5, wherein the hot water pipe and the water supply pipe are in communication, and the hot water pipe and the water supply pipe are connected Install a check valve.