KR101782101B1 - Central heating and hot water supply ststem and method including dual control unit - Google Patents

Central heating and hot water supply ststem and method including dual control unit Download PDF

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Publication number
KR101782101B1
KR101782101B1 KR1020150130458A KR20150130458A KR101782101B1 KR 101782101 B1 KR101782101 B1 KR 101782101B1 KR 1020150130458 A KR1020150130458 A KR 1020150130458A KR 20150130458 A KR20150130458 A KR 20150130458A KR 101782101 B1 KR101782101 B1 KR 101782101B1
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South Korea
Prior art keywords
heating
control unit
unit
main control
value
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KR1020150130458A
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Korean (ko)
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KR20170032723A (en
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정기영
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정기영
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F24D19/1024—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a multiple way valve
    • F24D19/1027—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves a multiple way valve hand operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0271—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/042—Temperature sensors

Abstract

A central heating and hot water temperature control system having a dual control unit for efficiently supplying heating and hot water even in an emergency situation by having a control unit for controlling the central heating and hot water temperature, / RTI > The control system of the present invention includes a heating unit for heating the inside of each of the heating supply compartments; A heating supply unit main control unit connected to the heating unit by wire or wirelessly and controlling the heating unit; And a heating supply unit auxiliary control unit connected to the heating execution unit and the heating supply main control unit via a wire or wireless connection to control the heating application unit when the main supply unit of the heating supply unit is inoperable, And a manager computer connected to the main control unit through a wired or wireless connection, and capable of visually informing the manager of information of a corresponding heating supply section section transmitted by the main control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a central heating and hot water temperature control system having a dual control unit,

The present invention relates to a system for controlling central heating and hot water temperature, and more particularly, to a system for controlling central heating and hot water temperature, comprising dual control units for controlling central heating and hot water temperature, A central heating and hot water temperature control system having a control unit, and a control method for operating the central heating and hot water temperature control system.

(Hereinafter referred to as "heating system") can be broadly divided into central heating, individual heating, and district heating. Among the above-mentioned heating methods, the central heating system has a separate boiler room such as a plurality of buildings or a collective building, and a boiler is installed inside the boiler to warm water from the boiler to the building or space Heating and hot water.

 Since the central heating method as described above has a high thermal efficiency, the total cost of warming the hot water is low, and the user can adjust the hot water supplied through the valve to reduce the heating cost. Therefore, , Which is commonly used in apartment houses and is also used in large buildings with lots of compartments.

The central heating system includes a separate boiler room in which the boiler is installed as described above, and the boiler is controlled through a control unit including a computer having software installed therein.

Accordingly, the control unit performs heating and temperature setting of the hot water, all the motors including the boiler, and the valve operation. At this time, if a communication error occurs between the control unit computer and the other central heating system, or if the control unit computer fails , And other internal and external factors, when the control unit computer becomes inoperable, all of the remaining central heating systems are shut down, causing troubles such as heating and hot water supply to the connected buildings and compartments. .

[0003] On the other hand, as the related art related to the heating control as described above, there are disclosed an individual heating control apparatus and a control method thereof, a heating control system and a control method thereof, No. 10-1000073 discloses a real-time monitoring system for greenhouse gases and energy for each energy source using an electric power source, an electric power source, and a pulse generator, Patent No. 10-1385584 discloses an indoor air-cooling and air-conditioning automatic control system using an intelligent power network, An auxiliary system and a double water pump for the same are disclosed in Japanese Patent Laid-Open No. 10-1506558.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the conventional art as described above and to provide a control system in which two control units are provided per heating supply unit other than the main control computer, A heating and hot water temperature control system and a control method for controlling the same.

In order to achieve the above object, the present invention provides a heating and hot water supply system for providing heating or hot water supply to at least one compartment, the heating and hot water supply system comprising: A heating supply unit main control unit connected to the heating unit by wire or wirelessly and controlling the heating unit; And a heating supply unit auxiliary control unit connected to the heating execution unit and the heating supply main control unit via a wire or wireless connection to control the heating application unit when the main supply unit of the heating supply unit is inoperable, And a manager computer connected to the main control unit through a wired or wireless connection, the manager computer being capable of visually informing the manager of the information of the corresponding heating supply section section transmitted by the main control unit.

The heating supply unit may include a boiler capable of receiving heating water from an external heating water supply source and heating the boiler water to provide boiler water to the heating area; An input / output unit connected to the heating main unit main control unit or the heating supply unit auxiliary control unit in a wired or wireless manner and receiving a control signal transmitted from the heating main unit main control unit or the heating supply unit auxiliary control unit; An external temperature sensor connected to the input / output unit and capable of measuring a temperature outside the heating area; And at least one temperature sensor connected to the input / output unit, the temperature sensor being capable of measuring the temperature of the heating water supplied from the external heating water supply source and the temperature of the boiler water supplied to the heating area by heating the boiler; A heating water motor valve connected to the input / output unit and capable of adjusting the amount of heating water supplied from the external heating water supply source; A pump unit connected to the input / output unit and configured to provide boiler water provided by the boiler to a heating area; And a manual adjustment unit connected to the input / output unit to control the input / output unit, the external temperature sensor, the at least one temperature sensor, the heating water motor valve, and the pump unit.

The manual adjustment unit may include an adjustment unit breaker for supplying or blocking power to be supplied to the outside; A converter for converting an alternating current / direct current to a power inputted to the outside; One or more analog signal conditioners for controlling the heating water motor valve and the pump; And at least one temperature indicator capable of visually providing the measured values of the external temperature sensor and the at least one temperature sensor to the manager.

A method for controlling a central heating and hot water temperature control system having a dual control unit according to the present invention, comprising the steps of: controlling each of the heating and heating section compartments; A main control unit controlling step (S1) for controlling the executing unit; A main control unit monitoring step (S2) for monitoring the abnormality of the main control unit by the auxiliary control unit and the manager computer; A main control unit failure notification step (S3) for interrupting communication between the main control unit and the heating control unit when the main control unit fails in the step (S2), and notifying the malfunction of the main control unit by the manager computer and the auxiliary control unit; ; An auxiliary control unit control step (S4) of controlling the heating control unit by the auxiliary control unit; An auxiliary control unit monitoring step (S5) in which the manager computer monitors the abnormality of the auxiliary control unit; In the step S5, an auxiliary control unit failure notification step (S6) for interrupting the communication between the auxiliary control unit and the heating execution unit when the auxiliary control unit fails, and notifying the manager computer of the failure of the auxiliary control unit ); A main control unit recognition step (S7) for checking whether the main control unit is operable; In the step S7, when the main control unit is inoperable, it is preferable that the heating supply section is operated in a manual operation step (S8) in which the manual adjustment section controls the heating implementation section.

When the main control unit is operable in the main control unit recognition step (S7), it is preferable to perform the main control unit control step (S1).

The method for performing the main control unit control step (S1) or the auxiliary control unit control step (S4) comprises the steps of automatically setting a control value (Kp) of the main control unit (11) (S1-1), a manual setting step (S1-2) of manually setting the control value (Kp) through the main control unit (11) by the manager, an abnormality occurs in the automatically set control value A control value abnormality notification step (S1-3) of detecting abnormality of the automatically set control value (Kp) when an abnormality occurs in the automatically set control value (Kp) If the user manually sets the control value Kp in the step S1-4 and the control value manual setting step S1-2, the control value Kp is set manually by the manager, The manual setting control value actuating step S1-5 in which the unit 11 operates It will be such that the main control unit control step (S1) or said auxiliary control unit (S4) is performed.

The method of automatically setting the control value (Kp) in the control value automatic setting step (S1-1) may include a step of setting the control value (Kp) in a range of 0% to 100% And sets the upper limit value Kp.Eu of the lower limit value Kp.Ed to less than the upper limit value Kp.Ed so that the control value Kp is lower than the lower limit value Kp.Ed. Ed) or more and less than or equal to the upper limit value (Kp.Eu).

According to the present invention, in addition to the main control computer, two control units are provided per heating supply unit, and when the two control units become inoperable even in the heating application unit in the heating supply unit, the heating application unit can be manually operated So that the inconvenience of the residents can be minimized by preventing heating interruption to the connected building or compartment even if an emergency occurs.

1 is a structural view of a heating system 1000 of the present invention.
2 is an enlarged structure view of the first heating supply unit 10. Fig.
Figs. 3 and 4 are graphs showing the output range of the manipulated variable (MV) of the main control unit 11. Fig.
5 and 6 are flowcharts showing operation procedures of the heating system 1000 of the present invention.
FIG. 7 and FIG. 8 are external screen structure views of the first heating and supply unit main control unit 11. FIG.
9 is an exemplary screen of the information providing interface of the manager computer 50. Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in more detail with reference to the accompanying drawings. The following description is intended to assist in the understanding and understanding of the present invention, but is not to be construed as limiting the invention thereto. Those skilled in the art will appreciate that various modifications and changes may be made within the spirit of the invention as set forth in the following claims.

1 is a structural diagram of a heating system 1000 of the present invention. Hereinafter, the overall configuration of the heating system 1000 of the present invention will be described with reference to FIG.

1, the heating system 1000 of the present invention includes at least one heating supply unit 10, 20, 30, and 40, and at least one heating supply unit 10, 20, 30, And a manager computer 50 for managing the manager computer 50. 1, four heating supply units 10, 20, 30, and 40 are illustrated as one example of the one or more heating supply units 10, 20, 30, and 40. However, the heating supply units 10, , 40) can be determined flexibly according to the needs of the installer and the user. Hereinafter, the configuration of the first heating / supplying unit 10 among the heating / supplying units 10, 20, 30, and 40 will be described as an example .

As shown in FIG. 1, the first heating supply unit 10 includes a first heating unit 100 for performing actual heating inside, a first heating unit 100 connected to the first heating unit 100, A supply main control unit 11 and a first heating and supply unit auxiliary control unit 12. [

The manager computer 50 controls the operation of the heating supply units 10, 20, 30, and 40. The first heating and cooling unit main controller unit 11 controls and operates the first heating unit 100, The operation status of the heating units 10, 20, 30, and 40 is monitored by the manager 10, the main controller unit 11, 21, 31, 41 and the auxiliary control unit 12, 22, 32, And the like.

The first heating and supplying unit auxiliary control unit 12 also controls the first heating and cooling unit 100 when the first heating and heating unit main control unit 11 becomes inoperable.

2 is an enlarged structural view of the first heating and supplying unit 10. Hereinafter, a specific configuration of the first heating and supplying unit 10 will be described with reference to FIG.

Here, as described above, the rest of the heating / supplying units 20, 30, and 40 have the same configuration as the first heating / supplying unit 10, and a description thereof will be omitted.

In FIG. 2, the one heating zone BP is shown as providing heating, but this is shown as an example for convenience of explanation. The heating zone BP may be composed of two or more. You can also combine heating and hot water supply. Hereinafter, the term " heating area " is used as a general term for a compartment for providing heating or a compartment for providing hot water or a compartment for providing both heating and hot water.

As described above, the first heating and supplying unit 10 includes a first heating unit 100 for performing actual heating and control units 11 and 12 connected to the first heating unit 100. Here, the first heating unit The first heating unit 100 includes at least one input / output unit 110, at least one temperature sensor 111, at least one temperature sensor 121, at least one temperature sensor 121, at least one heating motor valve 130, ), A manual adjustment unit 140, and a pump unit 170 composed of one or more pumps.

The input / output unit 110 is connected to the first heating supply unit main control unit 11, the first heating / supply unit auxiliary control unit 12, and the second heating / Or the manual control unit 140 to control the operation of the connected heating water motor valve 130 and the pump unit 170 and to control the operation of the external temperature sensor 111 and / The first heating supply main control unit 11 or the first heating supply unit 12, which measures the temperature of the outside temperature and the temperature of the indoor water from the first to third temperature sensors 121 to 123, To the auxiliary control unit (12) or the manual adjustment unit (40).

The external temperature sensor 111 measures a temperature outside the building and is used to control the temperature of the first heating supply main control unit 11 or the first heating and supply unit auxiliary control unit 12, The method of controlling the temperature by the first heating supply main control unit 11 or the first heating and supply unit auxiliary control unit 12 will be described in detail.

The first temperature sensor 121 is a sensor for measuring a temperature of heating water supplied from a heating water supply source BS serving as an external heat source and the second temperature sensor 122 is provided through a boiler B The third temperature sensor 123 is a sensor for measuring the temperature of the heating water which is discharged after the heating for the heating zone BP to be heated is completed and is then returned to the boiler B It is a sensor that measures temperature.

The heating water motor valve 130 is a motor valve for controlling the inflow of an external heating water supply source BS and the hungry heating water motor valve 130 is controlled by a control signal transmitted through the input / , The amount of heating water supplied through the heating water supply source (BS) is controlled to control the temperature of the boiler (B).

More specifically, the boiler B includes a boiler water BW therein, so that the boiler water BW becomes a substantial heating source. That is, the heating water supplied through the heating water supply source BS heats the boiler water BW, and the heated boiler water BW is supplied to the heating area BP through the pump 170 Thereby heating the heated hot water.

Here, the heating method of the boiler B is one of general boiler driving methods, and the boiler B can be constructed by a method other than the above-mentioned method. The configuration of the boiler B may be determined according to the needs of the installer or the manager. Hereinafter, the boiler B will be described as an example.

The second temperature sensor 122 measures the temperature of the hot water before being supplied to the heating zone BP through the pump unit 170. After passing through the heating zone BP, And the third temperature sensor 123 measures the temperature of the reduced water that is reduced to the second temperature (B).

When the first heating supply main control unit 11 or the first heating and heating unit auxiliary control unit 12 is in an inoperable state, the manual adjustment unit 140 may manually set the external temperature sensors 111 and The temperature information provided by the first to third temperature sensors 121 to 123 is checked and the heating water motor valve 130 and the pump unit 170 can be controlled.

The manual adjuster 140 may include a regulator blocker 141 for controlling the power supply and a converter 142 for converting the current into ac / dc current, and a manager may control the heating motor valve 130 and the pump unit 170, One or more analog signal conditioners 143 that allow the user to manually operate the external temperature sensor 111 and at least one temperature indicator 111 that allows the user to confirm the temperature information provided by the external temperature sensor 111 and the first to third temperature sensors 121 to 123, (144).

The power supply unit 150 serves to supply power to the first heating unit 100 as an external power source and the power supply breaker 160 serves as a power switch of the power supply unit 150, And plays a role of determining supply or interruption of electric power to the operation unit 100. [ The power supply device 150 and the power supply circuit breaker 160 are conventional techniques, and a detailed description thereof will be omitted.

FIGS. 3 and 4 are graphs showing output ranges of manipulated variables (MV) of the main control unit 11. FIG. Hereinafter, the control method of the main control unit 11 will be described with reference to FIGS. 3 and 4. FIG.

The control method of the auxiliary control unit 12 will be described with reference to the control method of the main control unit 11 as described below since the auxiliary control unit 12 is completely identical in control method to the main control unit 11. [ And a detailed description thereof will be omitted.

The main control units 21, 31 and 41 and the auxiliary control units 22, 32 and 42 of the remaining heating supply units 20, 30 and 40 are also completely identical to the main control unit 11, A description thereof will be omitted.

The manipulated variable MV means the amount of the control signal for operating the heating water motor valve 130 and the pump unit 170 via the input / output unit 110. [

Conventionally, the output amount of the manipulated variable (MV) is used between 0% and 100% as a control operation period, as shown in Fig. 3A. On the other hand, in the main control unit 11 used in the present invention, as shown in Fig. 3B, the lower limit value Kp.Ed, which is a value determined in excess of 0% in the period of the control operation, The upper limit value Kp.Eu which is a value determined to be less than 100% is set and the manipulated variable (MV) value equal to or larger than the lower limit value Kp.Ed and equal to or smaller than the upper limit value Kp.Eu . Therefore, it is possible to control the manipulated variable (MV) from the control operation section that is less than 0% to the lower limit value (Kp.Ed) to the control operation section that is the upper limit value (Kp.Eu) Value is not used, so that it is possible to save the power at which the manipulation variable (MV) is expected to be used until the corresponding interval.

3, the lower limit value Kp.Ed is preferably set to 30%, and the upper limit value Kp.Eu is preferably set to 60% as shown in FIG. 3 .

4, the main control unit 11 uses the PID control (Proportional Integral Derivative) to determine the value of the manipulated variable MV. do. The PID control is a generally used control method, and a description of the control method of the PID control will be omitted.

According to the PID control technique, a control value Kp for the manipulation variable MV may be set to allow the manipulation variable MV to reach the control value Kp. At this time, the control value Kp may be greater than the upper limit value Kp.Eu or lower than the lower limit value Kp.Ed, or may be lower than the upper limit value Kp.Ed, Kp.Eu) or less.

If the control value Kp exceeds the upper limit value Kp.Eu and becomes the over limit value Kp.E1, the output control value of the manipulation variable MV becomes equal to or smaller than the upper limit value Kp.E1 (Kp.Eu).

Similarly, when the control value Kp becomes less than the lower limit value Kp.Ed and becomes the under control value Kp.E3, the output control value of the manipulation variable MV becomes equal to or less than the lower control value Kp .E3) but not the above lower limit value (Kp.Ed).

When the control value Kp falls within the control range equal to or greater than the lower limit value Kp.Ed and equal to or smaller than the upper limit value Kp.Eu and becomes the appropriate control value Kp.E2, Is set to the appropriate control value (Kp.E2). Therefore, the output control value of the manipulated variable MV is set to be equal to or greater than the lower limit value Kp.Ed and equal to or smaller than the upper limit value Kp.Eu.

Also, although the control value Kp may be automatically formed within the range described above, the user manually sets the control value Kp, and the user manually sets the output control value of the manipulation variable MV And may be set to the set control value Kp. A method by which the user manually determines the control value Kp will be described later.

5 and 6 are flowcharts showing the operational procedures of the first heating and supplying unit 10 among the heating and supplying units 10, 20, 30 and 40 of the heating system 1000 of the present invention. Hereinafter, the overall operation procedure of the first heating and supplying unit 10 will be described with reference to FIG.

As described above, the rest of the heating supply units 20, 30, and 40 have the same configuration and operation as those of the first heating supply unit 10, so that the operation procedures of the remaining heating supply units 20, 30, Is the same as that of the first heating and supplying unit 10, and is omitted.

The main control unit 11 or the auxiliary control unit 12 uses the external temperature measured by the external temperature sensor 111 to control the external temperature measured by the external temperature sensor 111, , The absolute value of the zero-temperature measured is added to the set temperature to control the heating temperature of the boiler (B), thereby minimizing the temperature loss during heating or hot-water supply, and providing the heating and hot water quickly.

When the heating system 1000 of the present invention is operated, the main control unit 11 is connected to the first heating unit 100 including the above-described components of the first heating and supplying unit 10 A main control unit control step (S1) for performing control is performed. In step S1, the auxiliary control unit 12 and the manager computer 50 monitor the main control unit 11 to see if an error occurs.

In addition, for convenience of management, the main control unit 11 provides the control status data for the first heating control unit 100 to the manager computer 50, and the manager computer 50 stores the control status data To the manager in a visible manner.

In the main control unit control step S1, the method by which the main control unit 11 determines the control value Kp may be automatically set within a predetermined range value as described above, It is also possible to set the control value Kp. Hereinafter, the step of setting the control value Kp will be described with reference to FIG. 6 is an internal flowchart showing the step of setting the control value (Kp) in the main control unit control step (S1).

6, when the main control unit control step S1 is performed, the control value Kp is set within the range set in the main control unit 11, that is, the upper limit upper limit value Kp.Ed or higher The automatic control value setting step S1-1 is automatically executed and executed within the range not exceeding the limit value Kp.Eu.

(S1-2) of manually setting the control value (Kp) by manually operating the main control unit (11) while the step (S1-1) is being executed, A control value abnormality abnormality detection step (S1-3) of recognizing whether abnormality has occurred in the control value (Kp) automatically set by the main control unit (11) is executed.

If the controller manually sets the control value Kp in the control value manual setting step S1-2, the main control unit 11 operates according to the control value Kp manually set by the manager The manual setting control value activating step S1-5 is executed. If the control value Kp is not manually set in the control value manual setting step S1-2 and the control value Kp automatically set in the abnormality detection step S1-3 is not abnormal , The control value automatic setting step (S1-1) is continuously executed.

If a problem arises in the automatically set control value Kp in the control value abnormality detection step S1-3, for example, when the control value Kp is less than the upper limit value Kp.Eu above the lower limit value Kp.Ed, When the control value Kp is set outside the range, the main control unit 11 and the manager computer 50 give a control to the manager to visually notify the manager that a problem has occurred in the automatically set control value Kp Value error notification step (S1-4) is performed.

The manager who confirmed the control value abnormality notification step S1-4 manually sets the control value manually (S1-2) to manually set the automatically set control value (Kp) in which the problem occurred, (Kp) in the main control unit control step (S1) by performing the manual setting control value activation step (S1-5) in which the main control unit (11) is implemented according to the control value Can be determined.

The main control unit 11 and the auxiliary control unit 12 and the manager computer 50 confirm whether or not an abnormality has occurred to the main control unit 11 in real time while the main control unit control step S1 is performed, A main control unit monitoring step S2 is performed. In the main control unit monitoring step S2, if the main control unit 11 operates normally, the main control unit 11 continues the main control unit monitoring step S1 to control the first heating control unit 100 do.

If the main control unit 11 fails to control the first heating unit 100 due to an internal or external factor, the main control unit 11 and the first heating control unit A main control unit failure notification step S3 for disconnecting the main heating unit 100 from the main heating unit 100 and notifying the manager of the connection to the auxiliary heating unit 100, The unit control step S4 is performed. At this time, the manager computer 50 performs an auxiliary control unit monitoring step (S5) for monitoring the auxiliary control unit 12, and after the main control unit 11 is recovered from the failure and becomes usable, While the auxiliary control unit 12 is controlling the first heating implement 100, the main control unit 11 monitors the auxiliary control unit 12 and does not take control.

The method of setting the control value Kp of the auxiliary control unit 12 in the auxiliary control unit control step S4 is the same as the method of setting the control value Kp in the main control unit 11 described above, A description thereof will be omitted.

If the auxiliary heating control unit 12 fails to control the first heating control unit 100 due to an internal or external factor in the state S4, , An auxiliary control unit failure reporting step (S6) for disconnecting the connection between the auxiliary control unit (12) and the first heating execution unit (100) and notifying the manager thereof is performed.

The manager computer 50 performs the main controller unit recognition step S7 for determining whether the main controller unit 11 is operable at the same time as performing the step S6, If the first heating control unit 100 can be controlled and the malfunction is completed, the main control unit 11 returns to the main control unit control step S1 to control the first heating control unit 100 again do.

In the main control unit recognition step S7, when the main control unit 11 can not be controlled because the failure of the main control unit 11 is not recognized, the main control unit 11 and the auxiliary control unit The manager computer 50 notifies the manager of the fact that the manager computer 50 directly operates the manual operation unit 140 in the first heating unit 100 A manual operation step (S8) for controlling the heating execution part (100) is performed to prevent the operation of the first heating part (100) from being interrupted.

FIG. 7 is an external view of the main heating unit main control unit 11. FIG. Hereinafter, the configuration of the first heating and cooling unit main control unit 11 will be described with reference to FIG.

Prior to the description, the first heating / supply unit auxiliary control unit 12 is identical in construction and operation to the main control unit 11, and therefore, a detailed description of the auxiliary control unit 12 will be omitted. The main control unit 21, 31, 41 and the auxiliary control unit 22, 32, 42 of the remaining second to fourth heating supply units 20, 30, 40 are also connected to the first heating supply main control unit 11, And its configuration and operation are the same, so that a separate description will be omitted.

7, the main control unit 11 includes a setting display 1110, LEDs 1111 to 1113 for visually displaying the state of the first heating unit 100, a setting display 1110, And switches 1121 to 1126 and a selection button 1130 for operating the operation buttons.

The setting display 1110 is a window for visually providing the manager with the current heating and hot water supply status of the first heating unit 100. The heating and hot water setting temperature and current temperature, It is possible to check the control output amounts of the heating water motor valve 130 and the pump part 170 for heating the heating water in the setting display 1110 through the switches 1121 to 1126 and the selection button 1130, And the set temperature of the hot water supply, the present temperature, and the control output amount.

The LEDs 1111 to 1115 are parts for visually displaying the operating status of the first heating unit 100. The LEDs 1111 to 1115 are used to display the operating status of the first heating unit 100, An LED 1111, a heating operation LED 1112 for visually displaying whether the first heating unit 100 is currently heated or not, and a heating operation LED 1112 for visually displaying an abnormality in the first heating unit 100 And a system notification LED 1113.

The heating switch 1123 is a switch for setting a heating temperature by the user and the hot water supply switch 1124 is a switch for allowing the user to set the heating temperature and the control output amount It is a switch for setting the temperature of hot water. Therefore, when the manager wishes to set the temperature of hot water for example, the hot water supply switch 1124 must first be operated.

The menu switch 1121 is a switch for confirming the menu of the setting display 1110. The menu switch 1121 displays the heating and hot water setting temperature and the current temperature of the first heating unit 100 and the current control output amount But other screens can also be displayed. An example of the other screen is shown in Fig. 8, which will be described later. The storage switch 1126 is a switch for storing the set heating or hot water temperature value or the manually adjusted output control value.

The lock switch 1125 is a switch for preventing the temperature set value from being changed due to the third party or other external factors when the manager desires not to set the temperature any longer. Therefore, the manager must release the operation of the lock switch 1125 to set the heating or hot water temperature of the main control unit 11 and manually adjust the output control value.

The selection button 1130 is a button for the administrator to change the temperature numerical value or to switch between the set temperature and the current temperature. The selection button 1130 is used for changing the numeric value on the setting display 1110, Button.

For example, when the manager wishes to adjust the temperature of the hot water, the user first operates the menu switch 1121 after releasing the lock switch 1125 to adjust the temperature of the hot water And the hot water supply switch 1124 is operated. Then, the cursor (C, see FIG. 8) is exposed on the setting display 1110 and the numerical value can be manipulated. The administrator can adjust the cursor (C, see FIG. 8) using the selection button 1130 and adjust the numerical value. When the temperature setting is completed, the storage switch 1126 is operated to store the set temperature, and the lock switch 1125 is activated again to terminate the temperature setting.

8 is an example of another screen that can be shown by the setting display 1110, and is a screen for manually converting the output control value.

Fig. 9 is an exemplary screen of the information providing interface of the manager computer 50. Fig.

10, 20, 30, 40: First to fourth heating supplies. 50: Manager computer.
11, 21, 31, 41: first to fourth heating supply main control units.
12, 22, 32, 42: first to fourth heating supply auxiliary control units.
100: First heating section. 110: Input / output section.
111: External temperature sensor. 121 ~ 123: Temperature sensor.
130: Heated water motor valve. 140: Manual adjustment section.
141: Regulator blocker. 142: Converter.
143: Analog signal conditioner. 144: Temperature indicator.
150: Power supply. 160: Power breaker.
MV: Operation variable. Kp: Control value.
Kp.Eu: upper limit value. Kp.Ed: Lower limit value.
S1: Main control unit control step. S2: Main monitoring unit monitoring step.
S3: Header unit failure reporting step. S4: auxiliary control unit control step.
S5: Auxiliary control unit monitoring step. S6: Auxiliary control unit fault reporting step.
S7: Main control unit recognition step. S8: Manual operation step.

Claims (7)

A heating and hot water system for providing heating or hot water to at least one compartment,
A heating execution unit for heating the inside of each of the heating supply compartments; A heating supply unit main control unit connected to the heating control unit by wire or wireless, for controlling the heating control unit; And a heating supply unit auxiliary control unit connected to the heating execution unit and the heating supply unit main control unit by wire or wirelessly to control the heating application unit when the heating supply main control unit is inoperable,
And a manager computer connected to the main controller unit of each of the heating and supply compartments in a wired or wireless manner and capable of visually informing the manager of information of a corresponding heating controller compartment transmitted by the main controller,
The heating supply unit may include a boiler capable of receiving heating water from an external heating water supply source and heating the boiler water to provide boiler water to a heating area; An input / output unit connected to the heating main unit main control unit or the heating supply unit auxiliary control unit in a wired or wireless manner and receiving a control signal transmitted from the heating main unit main control unit or the heating supply unit auxiliary control unit; An external temperature sensor connected to the input / output unit and capable of measuring a temperature outside the heating area; And at least one temperature sensor connected to the input / output unit, the temperature sensor being capable of measuring the temperature of the heating water supplied from the external heating water supply source and the temperature of the boiler water supplied to the heating area by heating the boiler; A heating water motor valve connected to the input / output unit and capable of adjusting the amount of heating water supplied from the external heating water supply source; A pump unit connected to the input / output unit and configured to provide boiler water provided by the boiler to a heating area; And a manual adjustment unit connected to the input / output unit to control the input / output unit, the external temperature sensor, the at least one temperature sensor, the heated water motor valve, and the pump unit,
The manual adjustment unit may include an adjustment unit breaker for supplying or blocking power to be supplied to the outside; A converter for converting an alternating current / direct current to a power inputted to the outside; One or more analog signal conditioners for controlling the heating water motor valve and the pump; Wherein the central temperature and hot water temperature control system comprises at least one temperature indicator capable of visually providing the measured values of the external temperature sensor and the at least one temperature sensor to the manager. delete delete A method for controlling a central heating and hot water temperature control system having a dual control unit according to claim 1, wherein each heating supply section is individually controlled, and each of the heating supply units includes a main control unit Control step S1; A main control unit monitoring step (S2) for monitoring the abnormality of the main control unit by the auxiliary control unit and the manager computer; A main control unit failure notification step (S3) for interrupting communication between the main control unit and the heating control unit when the main control unit fails in the step (S2), and notifying the malfunction of the main control unit by the manager computer and the auxiliary control unit; ; An auxiliary control unit control step (S4) of controlling the heating control unit by the auxiliary control unit; An auxiliary control unit monitoring step (S5) in which the manager computer monitors the abnormality of the auxiliary control unit; In the step S5, an auxiliary control unit failure notification step (S6) for interrupting the communication between the auxiliary control unit and the heating execution unit when the auxiliary control unit fails, and notifying the manager computer of the failure of the auxiliary control unit ); A main control unit recognition step (S7) for checking whether the main control unit is operable; Characterized in that in the step (S7), when the main control unit is inoperable, the heating regulating section is operated in a manual operation step (S8) in which the manual regulating section controls the heating section And a control method of a hot water temperature control system. 5. The central heating and hot water supply temperature control system (1) according to claim 4, wherein the main control unit control step (S1) is performed when the main control unit is operable in the main control unit recognition step (S7) / RTI > The method according to claim 4, wherein the main control unit control step (S1) or the auxiliary control unit control step (S4) is a control method for automatically setting a control value (Kp) of the main control unit (11) (S1-1) of manually setting the control value (Kp) through the main control unit (11), a manual control value setting step (S1-2) of manually setting the control value A control step of detecting an abnormality of the automatically set control value Kp when the abnormality occurs in the automatically set control value Kp; (Kp) manually set by the manager when the user manually sets the control value (Kp) in the value error notification step (S1-4) and the control value manual setting step (S1-2) (S1) in which the main control unit 11 operates, Wherein the main control unit control step (S1) or the auxiliary control unit (S4) is implemented through the main control unit (5). 7. The method as claimed in claim 6, wherein the step of automatically setting the control value (Kp) in the control value automatic setting step (S1-1) (Kp.Ed) of less than 100% and setting an upper limit value (Kp.Eu) of more than the lower limit value (Kp.Ed) and less than 100% so that the control value (Kp) (Kp.Ed) of the upper limit value (Kp.Eu) is equal to or more than the upper limit value (Kp.Eu) of the upper limit limit value (Kp.Eu).
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KR20200103447A (en) * 2019-02-25 2020-09-02 정기영 Central heating and hot water supply control system, and its method thereof

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CN111102645B (en) * 2019-12-18 2021-06-08 中节能唯绿（北京）科技股份有限公司 Heat balance control method for central heating system

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JP2773641B2 (en) * 1994-04-20 1998-07-09 松下電器産業株式会社 Water heater

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Publication number Priority date Publication date Assignee Title
JP2773641B2 (en) * 1994-04-20 1998-07-09 松下電器産業株式会社 Water heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200103447A (en) * 2019-02-25 2020-09-02 정기영 Central heating and hot water supply control system, and its method thereof
KR102268625B1 (en) * 2019-02-25 2021-06-22 정기영 Central heating and hot water supply control system, and its method thereof

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