CN117146323A - Heating equipment and operation control method thereof - Google Patents

Abstract

The invention discloses heating equipment and an operation control method of the heating equipment, and relates to the technical field of intelligent home, wherein the heating equipment comprises a heating device, a heating device forming a heating circulation pipeline, a protection device forming a diversion circulation pipeline and a control device; the control device is configured to: the heating equipment operates in a heating mode to stop a heating circulation pipeline, or operates in a heating mode to stop heating, or operates in a heating mode to start heating, the temperature of the heating water and the heating speed both meet preset temperature conditions, and the servo electromagnetic valve is controlled to be opened, so that hot water output from the water outlet is input into the water inlet through the diversion circulation pipeline. Above-mentioned technical scheme avoids the excessive heating to domestic water, and then avoids overheated domestic water to user's scald, promotes user experience, avoids heating device's dry heating, avoids the temperature too big in the heating device, and then avoids the excessive consumption to heating equipment.

Description

Heating equipment and operation control method thereof

Technical Field

The invention relates to the technical field of intelligent home, in particular to heating equipment and an operation control method of the heating equipment.

Background

At present, heating apparatuses can heat water based on a heating mode to achieve heating, and as technology advances, heating apparatuses can also supply domestic hot water to users based on a heating mode.

In the prior art, when heating equipment is switched from a heating mode to a heating mode or hot water is turned on again, the heating water enters a heat exchanger to heat domestic water, and after the user turns on the hot water, a section of high-temperature water flows out first, so that the user is easy to scald; when the heating equipment operates based on a heating mode, after a user turns off hot water supply, the heating water still continuously enters the heat exchanger to exchange heat, so that the temperature of water flowing out of the heat exchanger is higher, and the temperature of water flowing into the heating device is higher, so that the service life of the heating equipment is influenced.

Therefore, there is a need for a heating apparatus that solves the problem of short-term high-temperature water discharge of hot water supply and reduces inflow of high-temperature water into a heating device.

Disclosure of Invention

The invention provides heating equipment and an operation control method of the heating equipment, which are used for solving the problem of short-time high-temperature water outlet of hot water supply and reducing the inflow of the hot water into a heating device.

According to an aspect of the present invention, there is provided a heating apparatus including: heating device, protecting device and control device; the heating device comprises a water outlet and a water inlet, and is used for heating water input by the water inlet and outputting hot water from the water outlet; the heating device forms a heating circulation pipeline, the protection device comprises a servo electromagnetic valve, a diversion water inlet and a diversion water outlet, the servo electromagnetic valve is used for diverting hot water output by the water outlet to the diversion water inlet and inputting the hot water into the water inlet through the diversion water outlet, and the water outlet, the protection device and the water inlet form a diversion circulation pipeline;

the control device is configured to: and opening the heating circulation pipeline to enable the heating equipment to operate in a heating mode, and controlling to open the servo electromagnetic valve to enable hot water output by the water outlet to be input into the water inlet through the diversion circulation pipeline under the condition that the heating circulation pipeline is confirmed to be blocked, or opening the heating circulation pipeline to enable the heating equipment to operate in the heating mode, or opening the heating and enabling the temperature of heating water and the heating speed to meet the preset temperature condition under the condition that the heating is confirmed to be suspended.

Further, the heating system further comprises a three-way valve for opening the heating circulation pipeline or the heating circulation pipeline.

Further, the heating device comprises a heating water outlet pipe and a heating water return pipe, the heating water outlet pipe is used for inputting hot water output by the water outlet into the radiating fin, the heating water return pipe is used for inputting water output by the radiating fin into the water inlet, and the water outlet, the heating device and the water inlet form a heating circulation pipeline.

Further, the heat supply device comprises a heat supply water inlet pipe, a heat supply water outlet pipe, a cold water inlet and a hot water outlet, wherein the heat supply water inlet pipe and the heat supply water outlet pipe form a first heat exchange pipeline, and the cold water inlet and the hot water outlet form a second heat exchange pipeline.

Further, the heating apparatus further includes a heat exchanger for heating cold water entering the second heat exchange pipe from the cold water inlet based on hot water flowing through the first heat exchange pipe, so that the hot water outlet outputs hot water.

Further, the heating water outlet device also comprises a first temperature sensor positioned at the water outlet and used for determining the temperature of heating water outlet; the second temperature sensor is positioned at the water inlet and used for determining the temperature of heating backwater, the third temperature sensor is positioned at the cold water inlet and used for determining the temperature of heating water, and the fourth temperature sensor is positioned at the hot water outlet and used for determining the temperature of heating water.

Further, the system also comprises an alarm device which is used for alarming when the heating backwater temperature is determined to be greater than a temperature threshold value.

According to another aspect of the present invention, there is provided an operation control method of a heating apparatus, applied to any one of the foregoing heating apparatuses, the method comprising:

opening a heating circulation pipeline based on a control device included in the heating equipment so as to enable the heating equipment to operate in a heating mode, and controlling to open a servo electromagnetic valve under the condition that the heating circulation pipeline is determined to be blocked so as to enable hot water output by a water outlet to be input into a water inlet through a diversion circulation pipeline;

and opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open the servo electromagnetic valve under the condition that the heat supply is determined to be stopped or the heating is started and the temperature of the warm water outlet and the heating speed meet the preset temperature condition, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline.

Further, after determining that the heating apparatus is operated in the heating mode, further comprising:

determining the flow of the heating circulation pipeline according to the output power of the heating equipment, the heating water outlet temperature and the heating water return temperature;

and determining that the heating circulation pipeline is blocked under the condition that the flow rate of the heating circulation pipeline is smaller than a flow rate threshold value.

Further, before determining the flow rate of the heating circulation pipeline according to the output power of the heating equipment, the heating outlet water temperature and the heating return water temperature, the method further comprises the following steps:

determining the heating water outlet temperature based on a first temperature sensor, determining the heating water return temperature based on a second temperature sensor, determining the heating water inlet temperature based on a third temperature sensor, and determining the heating water outlet temperature based on a fourth temperature sensor;

and determining the output power of the heating equipment according to the heating water outlet temperature, the heating backwater temperature, the heating water inlet temperature and the heating water outlet temperature.

The technical scheme of the invention provides heating equipment, which comprises the following components: heating device, protecting device and control device; the heating device comprises a water outlet and a water inlet, and is used for heating water input by the water inlet and outputting hot water from the water outlet; the heating device forms a heating circulation pipeline, the protection device comprises a servo electromagnetic valve, a diversion water inlet and a diversion water outlet, the servo electromagnetic valve is used for diverting hot water output by the water outlet to the diversion water inlet and inputting the hot water into the water inlet through the diversion water outlet, and the water outlet, the protection device and the water inlet form a diversion circulation pipeline; the control device is configured to: and opening the heating circulation pipeline to enable the heating equipment to operate in a heating mode, and controlling to open the servo electromagnetic valve to enable hot water output by the water outlet to be input into the water inlet through the diversion circulation pipeline under the condition that the heating circulation pipeline is confirmed to be blocked, or opening the heating circulation pipeline to enable the heating equipment to operate in the heating mode, or opening the heating and enabling the temperature of heating water and the heating speed to meet the preset temperature condition under the condition that the heating is confirmed to be suspended. According to the technical scheme, when the heating equipment is determined to be operated in the heating mode, if the heating circulation pipeline is blocked, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, dry heating of the heating device is avoided, when the heating equipment is determined to be switched to the heating mode from the heating mode, if the hot water outlet is opened to open the heating mode, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, excessive heating of domestic water corresponding to the heating mode is avoided, scalding of users by overheated domestic water is avoided, user experience is improved, when the heating equipment is determined to be operated in the heating mode, if the hot water outlet is closed to suspend heating, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, water quantity flowing into the heating circulation pipeline is reduced, the temperature of water flowing out of the heating circulation pipeline is reduced, excessive heating of water flowing into the cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet is reduced, and further, the excessive consumption of the heating equipment is avoided due to the fact that the high temperature of hot water flowing through the diversion circulation pipeline is input into the water inlet after being mixed.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.

Drawings

In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a heating apparatus according to a first embodiment;

fig. 2 is a flowchart of a method for controlling operation of a heating apparatus according to a second embodiment;

fig. 3 is a flowchart of an operation control method of a heating apparatus according to a third embodiment.

Reference numerals:

10-water outlet, 11-water inlet, 12-three-way valve, 13-heating water outlet pipe, 14-heating return pipe, 15-fin, 16-heat supply inlet pipe, 17-heat supply water outlet pipe, 18-cold water inlet, 19-hot water outlet, 20-heat exchanger, 21-heat supply terminal, 22-first temperature sensor, 23-second temperature sensor, 24-third temperature sensor, 25-fourth temperature sensor, 26-gas inlet, 27-fan, 28-expansion tank, 29-water supplementing valve, 30-water pump, 31-check valve, 32-servo solenoid valve.

Detailed Description

In order that the manner in which the invention may be better understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

Fig. 1 is a schematic structural diagram of a heating apparatus according to a first embodiment, as shown in fig. 1, the heating apparatus includes: heating device, protecting device and control device; the heating device comprises a water outlet 10 and a water inlet 11, and is used for heating water input by the water inlet 11 and outputting hot water from the water outlet 10; the heating device forms a heating circulation pipeline, the protection device comprises a servo electromagnetic valve 32, a split water inlet 11 and a split water outlet 10, the servo electromagnetic valve 32 is used for splitting hot water output by the water outlet 10 to the split water inlet 11 and inputting the hot water into the water inlet 11 through the split water outlet 10, and the water outlet 10, the protection device and the water inlet 11 form a split circulation pipeline; the control device is configured to: opening the heating circulation pipeline to enable the heating equipment to operate in a heating mode, and controlling to open the servo electromagnetic valve 32 to enable hot water output by the water outlet 10 to be input into the water inlet 11 through the diversion circulation pipeline when the heating outlet temperature and the heating speed are determined to meet preset temperature conditions or the heating circulation pipeline is blocked; the heating circulation line is opened to operate the heating apparatus in a heating mode, and in case it is determined to suspend heating, the servo solenoid valve 32 is controlled to be opened to allow the hot water outputted from the water outlet 10 to be inputted into the water inlet 11 through the split circulation line.

The heating device may be a gas heating device for burning gas to heat the water input from the water inlet 11. The heating apparatus may include a heating water outlet pipe 13 and a heating water return pipe 14, the heating water outlet pipe 13 is used to input hot water output from the water outlet pipe 10 into the heat sink 15, the heating water return pipe 14 is used to input water output from the heat sink 15 into the water inlet 11, the water outlet 10, the heating apparatus and the water inlet 11 may constitute a heating circulation line, the heating apparatus includes a heat exchanger 20, a heating water inlet pipe 16, a heating water outlet pipe 17, a cold water inlet 18 and a hot water outlet 19, the heat exchanger 20 is used to heat water flowing in from the cold water inlet 18 based on water flowing in from the heating water inlet pipe 16 from the heating water outlet pipe 17, so that the hot water outlet 19 outputs hot water, and the water outlet 10, the heating apparatus and the water inlet 11 may constitute a heating circulation line.

In the prior art, heating equipment is switched from a heating mode to a heating mode, hot water output by a water outlet 10 of a heating device enters the heating device, namely enters a heating circulation pipeline to heat domestic water input from a cold water inlet 18 of the heating device, a user opens a hot water outlet 19 at the moment, and the hot water outlet 19 flows out of a section of high-temperature water to scald the user; the heating equipment operates in a heating mode, the hot water outlet 19 is opened again after the hot water outlet 19 is closed for a period of time, hot water output by the water outlet 10 of the heating device continuously enters the heating device in the period of closing the hot water outlet 19, namely enters a heating circulation pipeline to heat domestic water input from the cold water inlet 18 of the heating device, a user opens the hot water outlet 19 again, and the hot water outlet 19 also flows out a section of high-temperature water to scald the user; when the heating equipment operates in a heating mode, after the hot water outlet 19 is closed, hot water flowing through the heating circulation pipeline enters the heating device again after not exchanging heat, so that the temperature of the heating device is overlarge, and the service life of the heating equipment is further shortened; when heating equipment runs in a heating mode and a heating circulation pipeline is blocked, water is absent or absent in the heating device, so that the heating device is disturbed, and the service life of the heating equipment is influenced.

Therefore, the heating device provided in this embodiment newly adds a diversion circulation pipeline on the basis of the existing heating device, and the diversion circulation pipeline is composed of the water outlet 10, the protection device and the water inlet 11, and the protection device may include a servo electromagnetic valve 32, where the servo electromagnetic valve 32 is used for adjusting the water flow entering the diversion circulation pipeline.

When the heating equipment operates in a heating mode, hot water output by the water outlet 10 flows through a heating circulation pipeline formed by the water outlet 10, the heating device and the water inlet 11 and then is input into the water inlet 11. The heating device comprises a heating water outlet pipe 13 and a heating water return pipe 14, wherein the heating water outlet pipe 13 is used for inputting hot water output by the water outlet 10 into the radiating fins 15, and the heating water return pipe 14 is used for inputting water output by the radiating fins 15 into the water inlet 11. Under the condition that the heating circulation pipeline is determined to be blocked, the servo electromagnetic valve 32 can be controlled to be opened, so that hot water output by the water outlet 10 flows through the diversion circulation pipeline and then is input into the water inlet 11, the water flow entering the heating circulation pipeline is reduced, under the condition that the heating circulation pipeline is completely blocked, the water input into the water inlet 11 is ensured to exist, and the dry heating of the heating device is avoided. Of course, the opening degree of the servo solenoid valve 32 may be determined according to the degree of clogging of the heating circulation line.

When the heating equipment is switched from the heating mode to the heating mode, hot water output by the water outlet 10 flows through the heating circulation pipeline and then is input into the water inlet 11. The heating device comprises a heating water inlet pipe 16, a heating water outlet pipe 17, a cold water inlet 18 and a hot water outlet 19, wherein the heating water inlet pipe 16 and the heating water outlet pipe 17 form a first heat exchange pipeline, and the cold water inlet 18 and the hot water outlet 19 form a second heat exchange pipeline. The heat exchanger 20 is used to heat cold water entering the second heat exchange tube from the cold water inlet 18 based on hot water flowing through the first heat exchange tube, so that the hot water outlet 19 outputs hot water. At this time, the heating is started, the hot water outlet 19 will flow out, the hot water flowing out from the hot water outlet 19 is obtained by heating the water input from the cold water inlet 18 in the process that the hot water output from the water outlet 10 passes through the heating circulation pipeline, if the temperature of the hot water output from the water outlet 10 is higher than the temperature threshold value and the temperature rising speed of the hot water temperature is higher than the speed threshold value, it can be determined that the hot water flowing out from the hot water outlet 19 at this time is too high, and the user is possibly scalded.

When heating equipment operates in a heat supply function, hot water output by the water outlet 10 flows through the heat supply circulation pipeline and then is input into the water inlet 11, and heat supply is suspended at the moment, so that the temperature in the heating device is overlarge, and under the condition of determining that heat supply is suspended, the servo solenoid valve 32 can be controlled to be opened, so that part of hot water output by the water outlet 10 flows through the split circulation pipeline, the water quantity flowing through the heat supply circulation pipeline is reduced, the temperature of water flowing out of the heat supply circulation pipeline is reduced, meanwhile, excessive heating of water at a cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet 19 is reduced, and the mixed hot water flowing through the split circulation pipeline and the mixed hot water flowing through the heat supply circulation pipeline are input into the water inlet 11, so that the overlarge temperature in the heating device is avoided.

In one embodiment, the heating apparatus further comprises a three-way valve 12 for opening the heating circulation line or the heating circulation line.

Specifically, the control device may open the heating circulation line or the heating circulation line of the heating apparatus based on the three-way valve 12 to operate the heating apparatus in the heating mode or the heating mode.

In one embodiment, the heating device further comprises a first temperature sensor 22 located at the water outlet 10 for determining the temperature of the heating water; a second temperature sensor 23 at the water inlet 11 for determining a heating return water temperature, a third temperature sensor 24 at the cold water inlet 18 for determining a heating inlet water temperature, and a fourth temperature sensor 25 at the hot water outlet 19 for determining a heating outlet water temperature.

Specifically, the heating water outlet temperature Tg of the water outlet 10 can be detected in real time based on the first temperature sensor 22, the heating water return temperature Th of the water inlet 11 can be detected in real time based on the second temperature sensor 23, the heating water inlet temperature Tj can be detected in real time based on the third temperature sensor 24, and the heating water outlet temperature Tc can be detected in real time based on the second temperature sensor 23.

In practical application, the heating water outlet temperature Tg, the heating water return temperature Th, the heating water inlet temperature Tj, and the heating water outlet temperature Tc can be used for calculating the output power of heating equipment.

In one embodiment, the heating device further comprises an alarm device for alarming when the heating backwater temperature is determined to be greater than a temperature threshold.

Specifically, if the temperature of the heating backwater is greater than the temperature threshold, it indicates that the temperature of the water input into the water inlet 11 is too high at the moment, which may cause the temperature in the heating device to be too high and the heating device to burn dry, at this moment, an alarm can be given based on the alarm device, so as to provide a user with timely adjustment of the operation mode of the heating device or timely closing of the heating device.

The heating equipment further comprises a gas inlet 26 for inputting gas into the heating device, a fan 27 for discharging exhaust gas after combustion of the gas in the heating device, an expansion tank 28 for temporarily storing and liquefying water vapor after gasification of high-temperature water, a water supplementing valve 29 for supplementing water to the heat supply water inlet 11, a water pump 30 for inputting water flowing through the heating circulation pipeline into the water inlet 11, and a one-way valve 31 for controlling the flow direction of the water in the diversion circulation pipeline.

In addition, the heating apparatus, the heat radiating fin 15 connected to the heating apparatus through the heating outlet pipe 13 and the heating return pipe 14 of the heating apparatus, and the heating terminal 21 connected to the heating apparatus through the heating outlet port 10 of the heating apparatus constitute a heating system, and the heating system can realize heating and hot water supply.

The heating equipment provided by the embodiment comprises: heating device, protecting device and control device; the heating device comprises a water outlet and a water inlet, and is used for heating water input by the water inlet and outputting hot water from the water outlet; the heating device forms a heating circulation pipeline, the protection device comprises a servo electromagnetic valve, a diversion water inlet and a diversion water outlet, the servo electromagnetic valve is used for diverting hot water output by the water outlet to the diversion water inlet and inputting the hot water into the water inlet through the diversion water outlet, and the water outlet, the protection device and the water inlet form a diversion circulation pipeline; the control device is configured to: and opening the heating circulation pipeline to enable the heating equipment to operate in a heating mode, and controlling to open the servo electromagnetic valve to enable hot water output by the water outlet to be input into the water inlet through the diversion circulation pipeline under the condition that the heating circulation pipeline is confirmed to be blocked, or opening the heating circulation pipeline to enable the heating equipment to operate in the heating mode, or opening the heating and enabling the temperature of heating water and the heating speed to meet the preset temperature condition under the condition that the heating is confirmed to be suspended. According to the technical scheme, when the heating equipment is determined to be operated in the heating mode, if the heating circulation pipeline is blocked, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, dry heating of the heating device is avoided, when the heating equipment is determined to be switched to the heating mode from the heating mode, if the hot water outlet is opened to open the heating mode, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, excessive heating of domestic water corresponding to the heating mode is avoided, scalding of users by overheated domestic water is avoided, user experience is improved, when the heating equipment is determined to be operated in the heating mode, if the hot water outlet is closed to suspend heating, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, water quantity flowing into the heating circulation pipeline is reduced, the temperature of water flowing out of the heating circulation pipeline is reduced, excessive heating of water flowing into the cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet is reduced, and further, the excessive consumption of the heating equipment is avoided due to the fact that the high temperature of hot water flowing through the diversion circulation pipeline is input into the water inlet after being mixed.

In addition, the heating equipment also comprises a three-way valve for opening a heating circulation pipeline or a heating circulation pipeline of the heating equipment, so that the control device is convenient for switching the operation mode of the heating equipment. The heating equipment further comprises a control unit for sending out an alarm to remind a user when the heating backwater temperature is determined to be too high.

Example two

Fig. 2 is a flowchart of an operation control method of a heating apparatus according to a second embodiment, where the method is applied to the heating apparatus according to the foregoing embodiment, and is executed by a control device in the heating apparatus, where the control device may be implemented in a form of hardware and/or software, and the control device may be configured in the heating apparatus. As shown in fig. 2, the method includes:

step 210, opening a heating circulation pipeline based on a control device included in the heating equipment so that the heating equipment can operate in a heating mode, and controlling to open a servo electromagnetic valve under the condition that the heating circulation pipeline is determined to be blocked so that hot water output by a water outlet is input into a water inlet through a diversion circulation pipeline.

Specifically, after the control device opens the heating circulation line of the heating apparatus, it may be determined that the heating apparatus is operated in the heating mode. In the heating mode of heating equipment operation, if heating circulation management is blocked, can control and open servo solenoid valve for the hot water that the outlet output partly flows into the reposition of redundant personnel circulation pipeline, and then the input water inlet. Because a part of hot water output by the water outlet flows into the diversion circulation pipeline, the water quantity flowing into the heating circulation pipeline is reduced, and the blockage degree of the heating circulation pipeline is reduced.

The opening degree of the servo solenoid valve at this time is determined by the degree of clogging of the heating circulation line.

In addition, if the heating circulation management is completely blocked, part of hot water output by the water outlet flows into the diversion circulation pipeline and then is input into the water inlet, so that dry burning of the heating device is avoided.

And 220, opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open a servo electromagnetic valve under the condition that the heat supply is stopped or the heating is started and the temperature and the heating speed of the heating water meet the preset temperature conditions, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline.

Specifically, after the control device opens the heating circulation line of the heating apparatus, it may be determined that the heating apparatus is operated in the heating mode. When the heating equipment is switched from the heating mode to the heating mode, heating is started at the moment, hot water flows out from the hot water outlet, the hot water flowing out from the hot water outlet is obtained by heating water input from the cold water inlet 18 in the process of passing through the heating circulation pipeline, and if the temperature of the hot water output from the water outlet is higher than a temperature threshold value and the temperature rising speed of the hot water temperature is higher than a speed threshold value, the condition that the temperature of the hot water flowing out from the hot water outlet is too high at the moment can be determined, and the user is possibly scalded. Therefore, when the heating equipment is switched from the heating mode to the heating mode, heating is started, the temperature of hot water output by the water outlet is higher than a temperature threshold value, and the temperature rising speed of the hot water temperature is higher than a speed threshold value, the servo electromagnetic valve can be controlled to be opened, so that hot water input by the water outlet flows through the split circulation pipeline and then is input into the water inlet, the water flow entering the heating circulation pipeline is reduced, the heat exchange amount is reduced, the temperature of hot water output by the hot water outlet is reduced, and the problem of short-time high-temperature water output of hot water supply is solved.

When heating equipment operates in the heating function, hot water output by the water outlet flows through the heating circulation pipeline and then is input into the water inlet, heating is suspended at the moment, the temperature in the heating device is overlarge, so that the servo electromagnetic valve can be controlled to be opened under the condition of determining the heating suspension, part of hot water output by the water outlet flows through the split circulation pipeline, the water quantity flowing through the heating circulation pipeline is reduced, the temperature of water flowing out of the heating circulation pipeline is reduced, meanwhile, the excessive heating of water at a cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet is reduced, and the mixed hot water flowing through the split circulation pipeline and the mixed hot water flowing through the heating circulation pipeline are input into the water inlet, so that the overlarge temperature in the heating device is avoided.

The operation control method of the heating equipment provided by the embodiment comprises the following steps: opening a heating circulation pipeline based on a control device included in the heating equipment so as to enable the heating equipment to operate in a heating mode, and controlling to open a servo electromagnetic valve under the condition that the heating circulation pipeline is determined to be blocked so as to enable hot water output by a water outlet to be input into a water inlet through a diversion circulation pipeline; and opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open the servo electromagnetic valve under the condition that the heat supply is determined to be stopped or the heating is started and the temperature of the warm water outlet and the heating speed meet the preset temperature condition, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline. According to the technical scheme, when the heating equipment is determined to be operated in the heating mode, if the heating circulation pipeline is blocked, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, dry heating of the heating device is avoided, when the heating equipment is determined to be switched to the heating mode from the heating mode, if the hot water outlet is opened to open the heating mode, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, excessive heating of domestic water corresponding to the heating mode is avoided, scalding of users by overheated domestic water is avoided, user experience is improved, when the heating equipment is determined to be operated in the heating mode, if the hot water outlet is closed to suspend heating, the servo electromagnetic valve can be opened, a part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, water quantity flowing into the heating circulation pipeline is reduced, the temperature of water flowing out of the heating circulation pipeline is reduced, excessive heating of water flowing into the cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet is reduced, and further, the excessive consumption of the heating equipment is avoided due to the fact that the high temperature of hot water flowing through the diversion circulation pipeline is input into the water inlet after being mixed.

Example III

Fig. 3 is a flowchart of a method for controlling operation of a heating apparatus according to a third embodiment, which is embodied on the basis of the above embodiment. As shown in fig. 3, the method includes:

step 310, opening a heating circulation pipeline based on a controller included in the heating equipment so as to enable the heating equipment to operate in a heating mode.

Step 320, determining the heating water outlet temperature based on the first temperature sensor, determining the heating water return temperature based on the second temperature sensor, determining the heating water inlet temperature based on the third temperature sensor, and determining the heating water outlet temperature based on the fourth temperature sensor; and determining the output power of the heating equipment according to the heating water outlet temperature, the heating backwater temperature, the heating water inlet temperature and the heating water outlet temperature.

Specifically, the first power of the heating device can be determined according to the heating water outlet temperature measured by the first temperature sensor and the heating water return temperature measured by the second temperature sensor, the second probability of the heating device can be determined according to the heating water inlet temperature measured by the third temperature sensor and the heating water outlet temperature measured by the fourth temperature sensor, and the output power of the heating device can be determined according to the first power and the second power of the heating device.

Step 330, determining the flow of the heating circulation pipeline according to the output power of the heating equipment, the heating outlet water temperature and the heating return water temperature; and determining that the heating circulation pipeline is blocked under the condition that the flow rate of the heating circulation pipeline is smaller than a flow rate threshold value.

After determining the output power of the heating installation, the flow rate of the heating circulation line may be determined according to equation 1.

g=0.86Q/(Tg-Th) equation 1

Wherein Q represents the output power of the heating equipment, and G represents the flow rate of the heating circulation pipeline.

Further, the flow rate of the heating circulation line and the flow rate threshold value may be compared, and if it is determined that the flow rate of the heating circulation line is smaller than the flow rate threshold value, it may be determined that the heating circulation line is blocked.

And 340, under the condition that the heating circulation pipeline is determined to be blocked, controlling to open the servo electromagnetic valve so that hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline.

And 350, opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open a servo electromagnetic valve under the condition that the heat supply is stopped or the heating is started and the temperature and the heating speed of the heating water meet the preset temperature conditions, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline.

The operation control method of the heating equipment provided by the embodiment comprises the following steps: opening a heating circulation line based on a controller included in the heating apparatus to operate the heating apparatus in a heating mode; determining the heating water outlet temperature based on a first temperature sensor, determining the heating water return temperature based on a second temperature sensor, determining the heating water inlet temperature based on a third temperature sensor, and determining the heating water outlet temperature based on a fourth temperature sensor; determining the output power of the heating equipment according to the heating water outlet temperature, the heating water return temperature, the heating water inlet temperature and the heating water outlet temperature; determining the flow of the heating circulation pipeline according to the output power of the heating equipment, the heating water outlet temperature and the heating water return temperature; determining that the heating circulation pipeline is blocked under the condition that the flow rate of the heating circulation pipeline is smaller than a flow rate threshold value; under the condition that the heating circulation pipeline is determined to be blocked, controlling to open a servo electromagnetic valve so that hot water output by a water outlet is input into the water inlet through a diversion circulation pipeline; and opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open the servo electromagnetic valve under the condition that the heat supply is determined to be stopped or the heating is started and the temperature of the warm water outlet and the heating speed meet the preset temperature condition, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline. According to the technical scheme, when the heating equipment is determined to be operated in the heating mode, if the heating circulation pipeline is blocked, the servo electromagnetic valve can be opened, so that part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, dry heating of the heating device is avoided, when the heating equipment is determined to be switched to the heating mode from the heating mode, if the hot water outlet is opened to start heating, the servo electromagnetic valve can be opened, part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, excessive heating of domestic water corresponding to the heating mode is avoided, scalding of users by overheated domestic water is further avoided, user experience is improved, when the heating equipment is determined to be operated in the heating mode, if the hot water outlet is closed to suspend heating, the servo electromagnetic valve can be opened, part of hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline, water quantity flowing into the heating circulation pipeline is reduced, the temperature of water flowing out of the heating circulation pipeline is reduced, excessive heating of water of cold water inlet is avoided, the temperature of hot water flowing out of the hot water outlet is reduced, further, the high-temperature hot water flowing through the diversion circulation pipeline is input into the water inlet after being mixed, the heating device is greatly consumed for the heating equipment is avoided, and excessive heating of the equipment is avoided.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.

The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. A heating apparatus, characterized by comprising: heating device, protecting device and control device; the heating device comprises a water outlet and a water inlet, and is used for heating water input by the water inlet and outputting hot water from the water outlet; the heating device forms a heating circulation pipeline, the protection device comprises a servo electromagnetic valve, a diversion water inlet and a diversion water outlet, the servo electromagnetic valve is used for diverting hot water output by the water outlet to the diversion water inlet and inputting the hot water into the water inlet through the diversion water outlet, and the water outlet, the protection device and the water inlet form a diversion circulation pipeline;

the control device is configured to: and opening the heating circulation pipeline to enable the heating equipment to operate in a heating mode, and controlling to open the servo electromagnetic valve to enable hot water output by the water outlet to be input into the water inlet through the diversion circulation pipeline under the condition that the heating circulation pipeline is confirmed to be blocked, or opening the heating circulation pipeline to enable the heating equipment to operate in the heating mode, or opening the heating and enabling the temperature of heating water and the heating speed to meet the preset temperature condition under the condition that the heating is confirmed to be suspended.

2. The heating apparatus according to claim 1, further comprising a three-way valve for opening the heating circulation line or the heating circulation line.

3. The heating apparatus according to claim 1, wherein the heating device includes a heating outlet pipe for inputting hot water output from the water outlet into the fin, and a heating return pipe for inputting water output from the fin into the water inlet, the water outlet, the heating device, and the water inlet constituting a heating circulation line.

4. The heating apparatus of claim 1, wherein the heating device comprises a heating water inlet pipe, a heating water outlet pipe, a cold water inlet and a hot water outlet, the heating water inlet pipe and the heating water outlet pipe forming a first heat exchange pipe, and the cold water inlet and the hot water outlet forming a second heat exchange pipe.

5. The heating apparatus of claim 4, wherein the heating device further comprises a heat exchanger for heating cold water entering the second heat exchange pipe from the cold water inlet based on hot water flowing through the first heat exchange pipe to cause the hot water outlet to output hot water.

6. The heating apparatus of claim 4, further comprising a first temperature sensor at the water outlet for determining a heating outlet temperature; the second temperature sensor is positioned at the water inlet and used for determining the temperature of heating backwater, the third temperature sensor is positioned at the cold water inlet and used for determining the temperature of heating water, and the fourth temperature sensor is positioned at the hot water outlet and used for determining the temperature of heating water.

7. The heating apparatus of claim 6, further comprising an alarm device for alerting when the heating return water temperature is determined to be greater than a temperature threshold.

8. A method of controlling operation of a heating apparatus, applied to the heating apparatus of any one of claims 1 to 7, the method comprising:

opening a heating circulation pipeline based on a control device included in the heating equipment so as to enable the heating equipment to operate in a heating mode, and controlling to open a servo electromagnetic valve under the condition that the heating circulation pipeline is determined to be blocked so as to enable hot water output by a water outlet to be input into a water inlet through a diversion circulation pipeline;

and opening the heat supply circulation pipeline based on a controller included in the heating equipment so that the heating equipment operates in a heat supply mode, and controlling to open the servo electromagnetic valve under the condition that the heat supply is determined to be stopped or the heating is started and the temperature of the warm water outlet and the heating speed meet the preset temperature condition, so that the hot water output by the water outlet is input into the water inlet through the diversion circulation pipeline.

9. The operation control method of a heating apparatus according to claim 8, further comprising, after determining that the heating apparatus is operated in the heating mode:

determining the flow of the heating circulation pipeline according to the output power of the heating equipment, the heating water outlet temperature and the heating water return temperature;

and determining that the heating circulation pipeline is blocked under the condition that the flow rate of the heating circulation pipeline is smaller than a flow rate threshold value.

10. The operation control method of a heating apparatus according to claim 9, further comprising, before determining a flow rate of the heating circulation line according to an output power of the heating apparatus, a heating water outlet temperature, and a heating water return temperature:

determining the heating water outlet temperature based on a first temperature sensor, determining the heating water return temperature based on a second temperature sensor, determining the heating water inlet temperature based on a third temperature sensor, and determining the heating water outlet temperature based on a fourth temperature sensor;

and determining the output power of the heating equipment according to the heating water outlet temperature, the heating backwater temperature, the heating water inlet temperature and the heating water outlet temperature.