KR20110000110A - Integrated heating system and temperature control device using the same and control method for the device - Google Patents

Abstract

PURPOSE: An integrated heating system, a temperature control device, and a control method thereof are provided to determine the flow of heating fluid though the flow of the heating fluid is cut off when heating is not necessary, thereby enabling a user to check the flow of heating fluid. CONSTITUTION: An integrated heating system comprises pipes(11,12,13), an actuator(31), a control valve(32), a measuring instrument(40), an outer indicator(50), and a temperature controller(20). The control valve is installed in the circulating pipe and controls the flow of the heating fluid. The actuator controls the operation of the control valve. The measuring instrument is installed in the circulating pipe and measures the heating rate or flow rate of the heating fluid. The outer indicator is electrically connected to the measuring instrument by connection wire. The temperature controller controls the actuator to control the indoor temperature of a heating subject. The temperature controller is electrically connected to one among the measuring instrument, the outer indicator, and the connection wire.

Description

Collective heating system, temperature control device and its control method {INTEGRATED HEATING SYSTEM AND TEMPERATURE CONTROL DEVICE USING THE SAME AND CONTROL METHOD FOR THE DEVICE}

The present invention relates to a group heating system, a temperature control device used for the same, and a control method thereof, and more particularly, to establish a reliability of calculating a heating cost in a group heating system such as district heating, cogeneration heating, and central heating. The present invention relates to a collective heating system, a temperature control device used therein, and a control method thereof.

In general, the group heating system is a concept of generating energy for heating in one place and supplying it to several places, and district heating is heating a number of buildings in a certain area at the same time. It is a regional expansion.

In district heating, a heating plant (cogeneration plant, etc.) is installed at the center, and heating water is supplied to surrounding buildings through piping from there. In other words, district heating does not have individual heating facilities such as houses, malls, offices, schools, hospitals, and factories within a city or a certain area, but instead constructs a cogeneration plant, a large-scale heat production facility, It is a system that produces medium temperature water (80 ~ 120 ℃) necessary for hot water supply and supplies it to each customer through a heat transport pipe.

In recent years, a large number of districts scattered around the country have adopted district heating systems for large apartments such as apartments, officetels, and buildings to provide heating water to each home or office.

The district heating system is a system in which a group energy supplying company supplies group energy through a pipe for heating and hot water supply to a plurality of individual users, which is different from an individual heating system in which a user has heating facilities.

The cogeneration plant of the district heating system includes a boiler, a heat storage tank, a heat exchanger and a circulation pump, and the circulation pump includes a heat transport pipe for transporting and recovering heat (hot water) to a heat supply target area and a user heat exchanger (e.g., an apartment house). Heat exchanger provided in the machine room or the like is connected. Here, the heat transport pipe is composed of a supply pipe and a recovery pipe.

District heating system has the advantage that the cost of heat source is cheaper than the case of placing the heat source individually in each building because the heat source device is built on a large scale.

However, the heating cost flows excessively due to the flow of the heating fluid even though the heating temperature is blocked when the room temperature reaches the set temperature and the heating is no longer needed or when the user does not need the heating by going out. There is a case, the user had a problem that can not know at all such a situation.

The leakage of heating fluid in such a group heating system causes a completely different level of problem from the individual air conditioning system such as an air-conditioning heating and cooling system or a boiler.

In the case of air-conditioning heating and cooling system, the leakage of refrigerant causes a problem of lowering the cooling and cooling efficiency of the system. However, when the demand temperature is met, the system is stopped and the costs directly affecting heating and cooling are continuously generated. I never do that.

In the case of individual heating by a boiler, a heating cycle of hot water flowing by a circulation motor is formed, and when the temperature value of the hot water in the return pipe or the water tank reaches a certain value, the heating cycle is stopped. There is little impact.

However, in a group heating system such as district heating, continuous heating is performed for 24 hours. When leakage of heating fluid occurs due to defects in the heating pipe or equipment, excessive heating costs are expended due to unnecessary consumption of heating energy. There is a problem that must be made.

The present invention determines whether the heating fluid flows even if the heating fluid is blocked in a situation where the heating is no longer needed, such as when the user's operation or the indoor temperature reaches the set temperature. The present invention provides a group heating system, a temperature control device used therein, and a control method thereof, which can save energy and prevent unnecessary user's unnecessary heating expenses.

The present invention provides a collective heating system in which heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe through which the heating fluid supplied with heat flows, and the heating fluid circulates through the main circulation pipe and each circulation pipe. It is about.

Group heating system according to an embodiment of the present invention, the control valve is installed in the circulation pipe to control the flow of the heating fluid; A driver for controlling the operation of the control valve; A measuring instrument installed in the circulation pipe to measure a heat quantity or a flow rate of a heating fluid; An external indicating unit electrically connected by the measuring line and a connecting line to integrate and display the physical quantity measured by the measuring unit; And controlling the driver to adjust the indoor temperature of the heating subject, and electrically connected to any one of the measuring instrument, the external indicating unit, and the connecting line, and leaking the heating fluid from a signal relating to the heat quantity or flow rate of the heating fluid measured by the measuring instrument. It includes a thermostat to display or alarm.

On the other hand, the collective heating system according to another embodiment of the present invention, the supply header to distribute the heating fluid to the plurality of rooms in the heating main body is supplied; A plurality of control valves respectively installed on branch circulation pipes connected to the plurality of rooms to control the flow of heating fluid; A plurality of drivers provided in each of the plurality of control valves to control each control valve; A return header where the heating fluid from the plurality of control valves is collected; A measuring instrument connected to the return header to measure a heat quantity or a flow rate of a heating fluid; An external indicating unit electrically connected by the measuring line and a connecting line to integrate and display the physical quantity measured by the measuring unit; A temperature controller provided in each of the plurality of rooms to allow manipulation and display of room temperature; And controlling the temperature of each room, which is connected to the driver and the temperature controller, by controlling each of the drivers, and electrically connected to any one of the measuring device, the external indicating unit, and the connecting line to measure the measuring device. It includes a main control device for displaying or alarming the leakage of the heating fluid through the temperature controller from the signal relating to the heat quantity or flow rate of the heating fluid.

On the other hand, the present invention is the heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe and the heating fluid is circulated through the main circulation pipe and each circulation pipe by a control valve installed on the circulation pipe It also includes a thermostat that is used in a collective heating system in which the flow of the heating fluid is controlled and the calorific value or flow rate of the heating fluid is measured through an instrument and integrated through an external indicator.

That is, the temperature control device used in the group heating system according to an embodiment of the present invention controls the driver for controlling the control valve to adjust the room temperature, and connects the measuring instrument, the external indicating unit, and the measuring unit and the external indicating unit. And a temperature controller electrically connected to any one of the connection lines, the temperature controller being configured to display or alarm a leak of the heating fluid from a signal relating to a heat quantity or a flow rate of the heating fluid measured by the measuring instrument.

Also preferably, the temperature controller may include an operation unit provided to allow a user to manipulate an input value related to temperature control, a display unit configured to display information on temperature control, and to indicate whether a heating fluid is leaked; And a control unit connected to the driver to control the control unit to determine the input value through the operation unit and the leakage through the measurement unit.

Also preferably, the temperature controller is provided with an operation unit which allows a user to operate an input value relating to temperature control, a display unit on which temperature control information is displayed, and whether or not to leak or leak a heating fluid. Controlling the driver from an input value through the manipulation unit and controlling the driver to display information on temperature control on the display unit, and determining whether or not to leak through the instrument to display or alarm through the leak display unit. It characterized in that it comprises a control unit.

Also preferably, the temperature controller may include an adjustment circuit unit electrically connected to any one of the measuring unit, the external indicating unit, and the connecting line, and configured to adjust a signal regarding a heat quantity or a flow rate of the heating fluid generated by the measuring unit, and the adjusting unit. It is characterized in that it comprises a control unit connected to the circuit unit to receive a signal to determine whether the leakage of the heating fluid to display or alarm it.

Also preferably, the adjustment circuit unit, the timer circuit unit is provided to delay the transmission of the signal regarding the heat quantity or flow rate of the heating fluid generated in the measuring instrument for a predetermined time from the time when the control unit shuts off the driver; It characterized in that it comprises a rectifier circuit unit provided to block the generation of noise of the signal transmitted from the measuring instrument to the control unit.

Also preferably, the adjustment circuit unit may further include an amplifier circuit unit provided to amplify the signal generated by the measuring instrument.

Also preferably, the temperature controller may include an illumination unit that provides illumination of a predetermined brightness to the display unit, and a motion detection sensor that detects an operation of an object within a predetermined distance from the temperature controller. According to the detection result of the motion sensor, the lighting unit is characterized in that the control to provide lighting.

On the other hand, the temperature control device used in the collective heating system according to another embodiment of the present invention, is distributed from each supply pipe of the main supply pipe, the heating fluid is supplied to each of the plurality of rooms in the heating subject and the plurality of rooms A plurality of control valves and actuators are provided to control the flow of the heating fluid for the heating fluid, and the calorific value or flow rate of the heating fluid is measured through a measuring instrument and accumulated through an external indicating unit.

That is, the temperature control device used in the group heating system according to another embodiment of the present invention, the temperature controller is provided in each of the plurality of rooms to allow the operation and display of the room temperature; And connected to the driver and the temperature controller to adjust the temperature of each room input through the temperature controller by controlling each driver, and any one of the measuring line, the external indicator and the connecting line connecting the instrument and the external indicator And a main control device electrically connected to display the leakage of the heating fluid through the respective temperature controllers from a signal relating to the heat quantity or flow rate of the heating fluid measured by the measuring instrument.

Also preferably, the temperature controller may include an operation unit provided to allow a user to manipulate an input value relating to temperature control, an input value through the operation unit, and whether the leak is performed by the measuring unit is determined by the main controller. , A display unit displaying information on temperature control and whether or not the heating fluid is leaked.

Also preferably, the temperature controller may include an operation unit provided to allow a user to operate an input value relating to temperature control, and an input value through the operation unit may be determined by the main controller to display information regarding temperature control. And a leak display unit which determines whether or not the leak through the measuring unit is determined by the main control device and whether or not the heating fluid is leaked.

Also preferably, the main control device, the control circuit portion is electrically connected to any one of the measuring instrument, the external indicator and the connecting line and provided to adjust a signal relating to the heat quantity or flow rate of the heating fluid generated by the measuring instrument; It is characterized in that it comprises a control unit connected to the control circuit unit to receive a signal to determine whether the leakage of the heating fluid to be displayed or alarmed through each of the temperature controller.

Also preferably, the adjustment circuit unit, the timer circuit unit is provided to delay the transmission of the signal regarding the heat quantity or flow rate of the heating fluid generated in the measuring instrument for a predetermined time from the time when the control unit shuts off the driver; It characterized in that it comprises a rectifier circuit unit provided to block the generation of noise of the signal transmitted from the measuring instrument to the control unit.

Also preferably, the adjustment circuit unit may further include an amplifier circuit unit provided to amplify the signal generated by the measuring instrument.

Also preferably, the temperature controller may include an illumination unit providing illumination of a predetermined brightness to the display unit, and a motion detection sensor detecting a motion of an object within a predetermined distance from the temperature controller. According to the detection result of the lighting unit characterized in that to provide illumination.

On the other hand, the control method of the temperature control apparatus used in the group heating system according to an embodiment of the present invention, the step of determining whether the heating is required for the heating subject; Shutting off the control valve when heating to the heating subject is not required; Determining whether a flow detection signal is detected after a set time elapses; And displaying or alarming a leak of the heating fluid when the flow detection signal is detected.

On the other hand, the control method of the temperature control apparatus used in the group heating system according to another embodiment of the present invention, the step of determining whether or not the heating is required for each room in the heating subject; If heating is not required for all rooms in the heating subject, shutting off all corresponding control valves for each room; Determining whether a flow detection signal is detected after a set time elapses; And displaying or alarming a leak of a heating fluid through a temperature controller provided in each room when a flow rate detection signal is detected.

Group heating system according to the present invention, the temperature control device and the control method used therein even if the flow of the heating fluid is blocked in the situation where the heating is no longer required, such as when the user's operation or the room temperature reaches the set temperature Nevertheless, by determining whether or not the heating fluid is flowing, the user can be aware of this, thereby saving energy and preventing unnecessary heating expenses.

An embodiment of a collective heating system and a thermostat according to the present invention will be described in more detail with reference to the drawings.

First, a collective heating system according to an embodiment of the present invention will be described with reference to FIG. 1.

Figure 1 is a schematic diagram showing an example of the heating fluid supply and heat exchange in the district heating system, showing an example of a system for heating of a multi-family house, such as an apartment.

As shown in FIG. 1, hot water is supplied to each multi-unit unit in the region from a district heating company (cogeneration plant) 1 serving as a heat source for heating individual households (each home, officetel, office, etc.) of the multi-unit house. In this case, hot water supplied by the circulation pump (not shown) is supplied to the heat exchanger 100 provided in the machine room of the apartment house through the supply pipe 2 of the heat transport pipe.

The district heating provider (1) constantly supplies hot water to maintain the demand supply temperature of individual households of the apartment house, and the hot water supplied from the district heating company circulates the apartment house through the heat exchanger (100) of the apartment house. It supplies heat to the fluid.

As such, after heating the heating fluid of the multi-family house, the hot water from the heat exchanger 100 is recovered to the district heating company 1 through the recovery pipe 3 and reheated. Supplied to housing.

And, the heating fluid of the apartment house is circulated through the main supply pipe 101 and the main circulation pipe 103 of the independent closed circuit structure connected to the heat exchanger 100 of the machine room, the district heating in the heat exchanger 100 of the machine room Heated through the heat exchange with hot water supplied from the operator 100 is distributed to each household.

At this time, the heating fluid of the apartment house is heated in the heat exchanger 100 and then distributed to each household through the supply pipe 11 in the main supply pipe 101 and flows the heating coil (not shown) installed in the household, etc. Provide heating to the household.

The heating fluid that has passed through each generation exits the circulation pipe 13 and flows to the heat exchanger 100 along the main circulation pipe 103 to complete one circulation cycle. The heating fluid is reheated in the heat exchanger 100 of the machine room and then supplied to each generation and circulated.

In this case, when several rooms are provided in each household and each room is individually heated, as shown in FIG. 1, the heating fluid is distributed and supplied to each room through the supply header 210. The heating fluid passing through the room is gathered again in the return header 220 and circulated through the circulation pipe 13.

And if the household is a single space, such as a so-called studio, and only one space needs to be heated, the supply header 210 or the return header 220 as described above is not necessarily required, and the heating fluid is directly heated. It has a structure that is supplied to the generation, the main body, and then circulated.

On the other hand, with reference to Figures 2 and 3 will be described in more detail with respect to the group heating system and the temperature control device used therein according to an embodiment of the present invention.

FIG. 2 relates to a group heating system according to an embodiment of the present invention, that is, a heating system for a case in which one heating subject is composed of one space such as a so-called studio. 3 is a block diagram illustrating a control system of the collective heating system illustrated in FIG. 2.

As shown in Figure 2 and 3, the collective heating system according to an embodiment of the present invention is a pipe (11, 12, 13), the actuator 31 and the control valve 32, the meter 40, the heating fluid flows ), The external indicating unit 50 and the temperature controller 20 is made.

Referring to the piping of the collective heating system according to the present embodiment first, the heating fluid flowing along the supply pipe 11 branched from the main supply pipe 101 is along the heating coil 12 in the heating main (N1) While flowing, the interior of the heating main body (N1) is heated.

The heating fluid passing through the heating coil 12 joins the main circulation pipe 103 while flowing along the circulation pipe 13.

At this time, a control valve 32 and a measuring device 40 are installed on the circulation pipe 13, and the control valve 32 is driven by the driver 31 to control the flow of the heating fluid.

That is, when heating is required, the actuator 31 opens the control valve 32 completely so that the heating fluid can flow. When heating is not necessary, for example, the current temperature reaches a set temperature and no longer requires heating. In case the user is in the outing mode due to the outing, the actuator 31 blocks the control valve 32 to prevent the heating fluid from flowing.

And it may be possible to control the heating temperature by adjusting the flow rate of the heating fluid.

On the other hand, a temperature controller 20 is provided in the heating main body N1, and a driver 31 is connected to the temperature controller 20.

As shown in FIG. 3, the temperature controller 20 includes a controller M that performs overall operations related to temperature control, and the controller M is connected to the driver 31 to operate the driver 31. To control.

The temperature controller 20 includes an operation unit 21, a display unit 22, an operation detection sensor 23, an illumination unit 24, a temperature detection sensor 25, and the like, and further include an adjustment circuit unit G. desirable. The adjustment circuit section G will be described later.

The operation unit 21 is a part provided to allow a user to input a predetermined input value for temperature control, and the display unit 22 displays information related to temperature control such as a current temperature, a set temperature, and a current temperature control mode. It is part that is prepared to do it.

The motion detection sensor 23 is a device provided to detect the motion of the object within a predetermined distance from the temperature controller 20, the lighting unit 24 is a device provided to provide light to the display unit 22.

Therefore, the user does not directly manipulate the operation unit 21 of the temperature controller 20, but simply moves his hand near the temperature controller 20 so that the motion sensor 23 detects the operation and the lighting unit 24 detects the operation. It is possible to illuminate the display unit 22.

This series of control is performed through the control unit (M). That is, when the user sets the set temperature through the control unit 21, the control unit (M) displays this through the display unit 22, the temperature sensor 25 detects the current room temperature and the result is the control unit (M) The controller M displays the current room temperature through the display unit 22.

In addition, the present invention senses the current temperature through the temperature sensor 25 and compares the present temperature with the set temperature. When the present temperature is lower, the actuator 31 is operated so that the control valve 32 is opened (the degree of opening is fine. It is possible to control to adjust), and continuously compares the present temperature with the set temperature, and if the present temperature reaches the set temperature, the actuator 31 is operated to shut off the control valve 32.

On the other hand, the measuring device 40 is a device that is provided to measure the amount of heat or flow rate of the heating fluid flowing through the circulation pipe 13 to generate a predetermined signal thereto.

The measuring device 40 is electrically connected by the external indicating unit 50 and the connecting line C1, and when there is a flow of a heating fluid, a corresponding signal is sent to the external indicating unit 50, and the external indicating unit 50 does this. Accumulate and display.

For example, the measuring unit 40 generates an electrical signal for each volume of the heating fluid that passes and transmits it to the external indicating unit 50, and the external indicating unit 50 calculates how much the heating fluid is used based on this. .

Meanwhile, as shown in FIGS. 2 and 3, the temperature controller 20 is electrically connected to the C1 connection line by the C2 connection line, and is generated by the measuring instrument 40 to be transmitted to the external indicating unit 50. 20) can also be delivered.

That is, the C2 connection line is connected to the adjusting circuit part G of the temperature controller 20 and the adjusting circuit part G is connected to the control part M.

2 and 3 illustrate a case in which the adjustment circuit unit G and the control unit M are connected to the C1 connection line by the C2 connection line, the C2 connection line may be directly connected to the measuring device 40. It is also possible to be connected to the external indicating unit (50).

Therefore, when the heating fluid continues to flow, a predetermined signal relating to the heat quantity or flow rate of the heating fluid is generated in the meter 40, and the signal is transmitted to the external indicating unit 50 and the temperature control unit 30.

If the current room temperature and the set temperature is the same or the current room temperature is greater than the set temperature, or in the outing mode, heating is unnecessary, so the control valve 32 is blocked to prevent the heating fluid from flowing. .

At this time, since no heating fluid flows to the measuring instrument 40, no signal should be generated. If a predetermined signal occurs in the measuring instrument 40 despite the flow of the heating fluid being blocked, a leak of heating fluid occurs. Since the signal is transmitted to the temperature controller 20, the temperature controller 20 displays or alarms the leakage of the heating fluid through the display unit 22 or the like.

In more detail, the signal regarding the heat quantity or flow rate of the heating fluid generated by the measuring instrument 40 is transmitted to the adjusting circuit unit G through the C2 connection line, and the adjusting circuit unit G transmits the received signal to the controller ( It is adjusted to the signal recognizable in M) and transmitted to the control unit M.

Since the signal transmitted through the C2 connection line is a signal generated while the heating fluid passes through the measuring instrument 40, it also occurs when heating is performed (when the control valve 32 is open). Since it does not occur, it is preferable to block the signal transmitted through the C2 connection line in the adjusting circuit unit (G) or to ignore the signal in the control unit (M).

If a signal is generated from the measuring instrument 40 even when the heating fluid is shut off because the heating fluid is no longer needed (the control valve 32 is closed), the signal is adjusted along the C2 connection line (G). The control circuit unit (G) adjusts the signal and transmits the signal to the control unit (M). The control unit (M) displays or alarms leakage of the heating fluid through the display unit (22).

Here, the leak of the heating fluid may be displayed through the display unit 22 or a predetermined sound may be generated to inform the user of the leak of the heating fluid, and the leak displaying only the leak of the heating fluid separately from the display unit 22. It is also possible to include a display unit to display or alarm the leakage of the heating fluid through the leak display unit.

Preferably, the adjustment circuit part G includes a timer circuit part G1, a rectifier circuit part G2, an amplifying circuit part G3, and the like.

The timer circuit part G1 may be configured to generate a signal regarding a heat quantity or flow rate of the heating fluid generated by the measuring device 40 for a predetermined time from a time when the control unit M blocks the control valve 32 through the driver 31. It serves to delay delivery.

That is, even if the control unit M blocks the control valve 32 through the actuator 31, it takes some time until the flow of the heating fluid is completely stopped, until the time when it is determined that the flow of the heating fluid is completely stopped. By providing a delay time to accurately determine whether the leakage of the heating fluid.

The rectifier circuit G2 prevents reverse current from being generated through the C2 connection line to maintain stable device performance of the measuring instrument 40, and generates noise to accurately determine whether the heating fluid is leaked. It is the part that serves to block or reduce the.

The rectifier circuit G2 may be configured as a circuit including an isolation transistor, a noise filter, and the like to block or reduce generation of noise.

The amplifying circuit unit G3 serves to amplify the signal generated and transmitted by the measuring instrument 40. That is to amplify the signal generated and transmitted by the measuring instrument 40 to match the signal system for communication between the temperature controller 20 and the driver 31.

On the other hand, with reference to Figure 4 will be described with respect to the control method of the temperature control device of the collective heating system according to the present embodiment.

In general, thermostats regulate heating by several modes. Basically, the heating mode compares the set temperature set by the user with the current room temperature to perform heating or cut off the heating. In the case of the outing mode, the heating is cut off.

That is, as shown in Figure 4, the controller of the temperature controller determines whether the heating mode (S10), if the heating mode, and compares the current temperature (Tc) and the set temperature (Ts) (S20).

If the current temperature (Tc) is less than the set temperature (Ts) because heating is required, the control unit opens the control valve by controlling the actuator (S21). When the control valve is opened, the heating fluid flows and heating is performed.

On the other hand, if the heating mode is not determined whether or not go out mode (S30). If it is in the outgoing mode, heating is not necessary, so the control valve is shut off by controlling the actuator (S31).

In the heating mode, if the current temperature Tc is equal to or larger than the set temperature Ts, no further heating is required, so the control valve is blocked (S31).

After the control valve is shut off, a predetermined set time must be elapsed (S40). At this time, the set time is appropriately determined in consideration of various factors such as the type and performance of a pipe or a peripheral device.

The reason for waiting for the set time to elapse is that the remaining heating fluid passes through the instrument even after the control valve is shut off. Therefore, it is necessary to measure the leakage of the heating fluid after all the remaining heating fluid has passed through the instrument. Because it can.

On the other hand, the state after the set time has elapsed becomes a standby state (S41). In the standby state, the controller determines whether or not a flow rate detection signal (a signal generated while passing through the adjusting circuit unit as a signal generated as the heating fluid passes) is detected (S50).

If the flow detection signal is detected, it means that even though the control valve is blocked, the heating fluid continues to flow through the measuring instrument, so that the leak of the heating fluid is displayed or alarmed through the display unit or the leak display unit of the temperature controller (S51).

Therefore, even though the heating fluid is blocked, the user can know the leakage of the heating fluid due to the flow of the heating fluid through the temperature controller to prevent unnecessary spending of the heating cost.

On the other hand, with reference to Figures 5 and 6 will be described in more detail with respect to the group heating system and the temperature control device used in accordance with another embodiment of the present invention.

5 is a collective heating system according to another embodiment of the present invention, that is, any one heating subject has a plurality of rooms (R1, R2, R3) and heating is provided for each of the rooms (R1, R2, R3). It relates to a heating system for the case. 5 is a block diagram illustrating a control system of the collective heating system illustrated in FIG. 4.

As shown in Figure 5 and 6, the collective heating system according to another embodiment of the present invention is a pipe and a supply header 210 and the return header 220, the actuator 31 and the control valve (flowing heating fluid) ( 32), the measuring instrument 40, the external indicating unit 50, the temperature controller (20a, 20b, 20c) and the main control device (60).

First, the piping of the collective heating system according to the present embodiment will be described.

The heating fluid flowing along the supply pipe 11 branched from the main supply pipe 101 is distributed from the supply header 210 to each of the rooms R1, R2, and R3, that is, the first branch supply pipe 11a and the second. The distribution pipe 11b and the third distribution pipe 11c are connected to the first room R1, the second room R2, and the third room R3, respectively, through the distribution pipes 11a, 11b, and 11c. Heating fluid is distributed and supplied to each of the rooms R1, R2, and R3.

Heating coils (not shown) and the like are installed in each of the rooms R1, R2, and R3 so that the heating fluid flows along the heating coils to heat each of the rooms R1, R2, and R3.

The heating fluid passing through each of the rooms R1, R2, and R3 flows along the first branch circulation pipe 13a, the second branch circulation pipe 13b, and the third branch circulation pipe 13c, respectively.

The first control valve 32a is connected to the first minute circulation pipe 13a, the second control valve 32b is connected to the second minute circulation pipe 13b, and the third minute circulation pipe 13c. The third control valve 32c is connected.

The heating fluid flowing through each of the dividing circulation pipes 13a, 13b, and 13c gathers in the return header 220 and flows along the circulation pipe 13.

The meter 40 is installed on the circulation pipe 13 so that the heating fluid flowing through the circulation pipe 13 passes through the meter 40 and joins the main circulation pipe 103.

The first control valve 32a is controlled by the first driver 31a to control the flow of the heating fluid, and the second control valve 32b is controlled by the second driver 31b to control the flow of the heating fluid. And the third control valve 32c is controlled by the third driver 31c to control the flow of the heating fluid.

Each of the drivers 31a, 31b, 31c for controlling the control valves 32a, 32b, 32c on each of the pipes is connected to the main controller 60, respectively, and controlled by the main controller 60.

Each of the rooms R1, R2, and R3 is provided with temperature controllers 20a, 20b, and 20c, and the temperature controllers 20a, 20b, and 20c are also connected to and controlled by the main controller 60.

As shown in FIG. 6, each of the temperature controllers 20a, 20b, and 20c has an operation part 21a, 21b, 21c, a display part 22a, 22b, 22c, a motion detection sensor 23a, 23b, 23c, and an illumination part ( 24a, 24b, 24c, and temperature sensor 25a, 25b, 25c, etc. are provided.

The operation parts 21a, 21b, 21c, display parts 22a, 22b, 22c, motion detection sensors 23a, 23b, 23c, lighting parts 24a, 24b, 24c, and temperature detection sensors 25a, 25b, 25c, and the like. Related matters are substantially the same as the operation unit, the display unit, the motion detection sensor, the lighting unit and the temperature detection sensor provided in the temperature controller according to the embodiment shown in FIG.

The user can set the set temperature in each of the rooms R1, R2, and R3 through the temperature controllers 20a, 20b, and 20c, and the main controller 60 recognizes this and recognizes each driver 31a, 31b, 31c. By controlling the control valve (32a, 32b, 32c) to control the flow of the heating fluid by controlling the heating temperature.

That is, when heating is required for a room, the main controller 60 controls the actuator for the room so that the control valve is opened so that the heating fluid can flow the heating coil of the room. If the heating is to be performed and heating is unnecessary, for example, when the current temperature reaches the set temperature and no longer requires heating, or when the user is in the outing mode due to the user's outing, the corresponding actuator shuts off the control valve. Prevents heating fluids from flowing.

In addition, each control valve may control the heating temperature to an appropriate temperature by adjusting the flow rate of the heating fluid.

The main controller 60 includes a control unit M and an adjustment circuit unit G for performing overall operations on temperature control. Specific matters will be described later.

On the other hand, the measuring device 40 is a device that is provided to measure the amount of heat or flow rate of the heating fluid flowing through the circulation pipe 13 to generate a predetermined signal thereto.

The measuring device 40 is electrically connected by the external indicating unit 50 and the connecting line (C1), and when there is a flow of heating fluid, and sends a corresponding signal to the external indicating unit 50, the external indicating unit 50 is This is accumulated and displayed.

For example, the measuring unit 40 generates an electrical signal for each volume of the heating fluid that passes and transmits it to the external indicating unit 50, and the external indicating unit 50 calculates how much the heating fluid is used based on this. .

Meanwhile, as shown in FIGS. 5 and 6, the main control device 60 is electrically connected to the C1 connection line by the C2 connection line, and a signal generated from the measuring device 40 and transmitted to the external indicating unit 50 is transmitted to the main unit. It is preferable to be able to be transferred to the control device 60.

That is, the C2 connection line is connected to the adjustment circuit part G of the main control device 60 and the adjustment circuit part G is connected to the control part M.

5 and 6 illustrate the case in which the adjustment circuit unit G and the control unit M are connected to the C1 connection line by the C2 connection line, the C2 connection line may be directly connected to the measuring instrument 40. It is also possible to be connected to the external indicating unit (50).

Therefore, when the heating fluid continues to flow, a predetermined signal relating to the heat quantity or flow rate of the heating fluid is generated in the meter 40, and the signal is transmitted to the external indicating unit 50 and the temperature control unit 30.

If no heating is required, all control valves 32a, 32b, and 32c are shut off and no signal is generated because no heating fluid flows to the meter 40, even though the flow of heating fluid is blocked. If a predetermined signal occurs at 40, a leak of the heating fluid is generated, and thus the signal is transmitted to the main controller 60, and the main controller 60 is provided with the respective temperature controllers 20a, 20b, and 20c. The leakage of the heating fluid is displayed or alarmed through the display units 22a, 22b, 22c, and the like.

In more detail, the signal regarding the heat quantity or flow rate of the heating fluid generated by the measuring instrument 40 is transmitted to the adjusting circuit unit G through the C2 connection line, and the adjusting circuit unit G transmits the received signal to the controller ( It is adjusted to the signal recognizable in M) and transmitted to the control unit M.

If a signal is generated in the meter 40 even when the heating fluid is cut off because the heating fluid is no longer needed, the signal is transmitted to the adjusting circuit part G along the C2 connection line, and the adjusting circuit part G is the signal. The control unit M is transmitted to the control unit M, and the control unit M displays or alarms leakage of the heating fluid through the temperature controllers 20a, 20b, and 20c.

In this case, the leak of the heating fluid may be displayed through the display units 22a, 22b, and 22c, or a predetermined sound may be generated to inform the user of the leak of the heating fluid, and separately from the display units 22a, 22b and 22c. It is also possible to provide a leak display unit for indicating whether or not the fluid leaks in each of the temperature controller (20a, 20b, 20c) to display or alarm the leakage of the heating fluid through the leak display.

The adjusting circuit portion G includes a timer circuit portion G1, a rectifying circuit portion G2, an amplifying circuit portion G3, and the like, and includes a timer circuit portion G1, a rectifying circuit portion G2, and an amplifying circuit portion G3. Related matters have the same function as that provided in the temperature controller of the embodiment shown in FIG.

On the other hand, with reference to Figure 7 will be described with respect to the control method of the temperature control device of the collective heating system according to the present embodiment.

Here, the temperature controller of each room is controlled by the main controller and heating control is performed by various modes. Basically, the heating mode compares the set temperature set by the user with the current room temperature to perform heating or cut off the heating. In the case of the outing mode, the heating is cut off.

In the case of the thermostat according to the embodiment shown in FIG. 6, the current controller is sensed through a thermostat installed in a room requiring heating, and when the heating is required by comparing with the set temperature, the corresponding driver is controlled by controlling the corresponding room. Open the valve to allow the room to heat up.

Similarly, heating for all rooms is carried out by the main controller in the same manner as described above.

And for a room that does not require heating, by controlling the actuator for the room to block the control valve so that the heating to the room is no longer controlled.

If the heating for all the rooms becomes unnecessary, for example, heating is not necessary when the room temperature in all the rooms has reached the set temperature or the operation mode for all the rooms is all out.

The main control device, that is, the control unit determines whether heating is required as described above (S60).

If heating is required, heating is performed for each room while appropriately controlling each driver as described above (while controlling the flow of the heating fluid through each control valve) (S61).

If heating is not necessary, all actuators are controlled to block all control valves (S62).

After all control valves are shut off, a predetermined set time must elapse (S70). In this case, the set time is appropriately determined in consideration of various factors such as the type and performance of a pipe or a peripheral device.

The reason for waiting for the set time to elapse is that the remaining heating fluid passes through the instrument even after the control valve is shut off. Therefore, it is necessary to measure the leakage of the heating fluid after all the remaining heating fluid has passed through the instrument. Because it can.

On the other hand, the state after the set time has elapsed becomes the standby state (S71). In the standby state, the controller determines whether or not a flow rate detection signal (a signal generated while passing through the adjusting circuit unit as a signal generated as the heating fluid passes) is detected (S80).

If the flow detection signal is detected, it means that the heating fluid is still flowing and passing through the meter even though all the control valves are shut off. Therefore, the leakage of the heating fluid is generated. Display or alarm through the leak display unit (S81).

Therefore, even though the heating fluid is blocked, the user can know the leakage of the heating fluid due to the flow of the heating fluid through the temperature controller to prevent unnecessary spending of the heating cost.

1 is a schematic diagram of a collective heating system according to an embodiment of the present invention showing the district heating system as an example.

2 is a view schematically showing a collective heating system and a temperature control device used therein according to an embodiment of the present invention.

FIG. 3 is a block diagram illustrating a control system of a collective heating system and a temperature control device used therein according to the embodiment shown in FIG. 2.

4 is a flowchart illustrating a control method of a collective heating system and a temperature control device used therein according to the embodiment shown in FIG.

5 is a view schematically showing a collective heating system and a temperature control device used therein according to another embodiment of the present invention.

FIG. 6 is a block diagram illustrating a control system of a collective heating system and a temperature control device used therein according to the embodiment shown in FIG. 5.

FIG. 7 is a flowchart illustrating a control method of a collective heating system and a temperature control device used therein according to the embodiment shown in FIG. 6.

Claims (18)

In the collective heating system in which heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe through which the heated heating fluid flows, and the heating fluid circulates through the main circulation pipe and each circulation pipe, A control valve installed in the circulation pipe to control a flow of a heating fluid; A driver for controlling the operation of the control valve; A measuring instrument installed in the circulation pipe to measure a heat quantity or a flow rate of a heating fluid; An external indicating unit electrically connected by the measuring line and a connecting line to integrate and display the physical quantity measured by the measuring unit; And The actuator controls the indoor temperature of the heating subject, and is electrically connected to any one of the measuring instrument, the external indicating unit, and the connecting line to leak the heating fluid from a signal related to the heat quantity or flow rate of the heating fluid measured by the measuring instrument. A thermostat provided to display or alarm; Collective heating system comprising a. In the collective heating system in which heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe through which the heating fluid supplied with heat flows, and the heating fluid circulates through the main circulation pipe and each circulation pipe, A supply header for distributing and supplying heating fluid to a plurality of rooms in the heating subject; A plurality of control valves respectively installed on branch circulation pipes connected to the plurality of rooms to control the flow of heating fluid; A plurality of drivers provided in each of the plurality of control valves to control each control valve; A return header where the heating fluid from the plurality of control valves is collected; A measuring instrument connected to the return header to measure a heat quantity or a flow rate of a heating fluid; An external indicating unit electrically connected by the measuring line and a connecting line to integrate and display the physical quantity measured by the measuring unit; A temperature controller provided in each of the plurality of rooms to allow manipulation and display of room temperature; And It is connected to the driver and the temperature controller to adjust the temperature of each room input through each of the temperature controller by controlling each driver, and electrically connected to any one of the measuring instrument, the external indicator and the connecting line measured by the measuring instrument A main control device which displays or alarms the leak of the heating fluid through the respective temperature controllers from a signal relating to the heat quantity or flow rate of the heating fluid; Collective heating system comprising a. Heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe, and the heating fluid circulates through the main circulation pipe and each circulation pipe, and the flow of the heating fluid is controlled by a control valve installed on the circulation pipe. In the temperature control device used in the collective heating system that is controlled and the heat flow rate or flow rate of the heating fluid through the measuring instrument is integrated through the external indicator, By controlling the actuator for controlling the control valve to adjust the room temperature, and the heat quantity of the heating fluid measured in the meter is electrically connected to any one of the measuring line, the external indicator and the connecting line connecting the instrument and the external indicator or A thermostat for use in a collective heating system comprising a thermostat configured to indicate or alarm a leak of heating fluid from a signal relating to flow rate. The method of claim 3, wherein the temperature controller, An operation unit provided to allow a user to operate input values related to temperature control; A display unit for displaying temperature control information and displaying whether or not the heating fluid is leaked; And a control unit connected to the driver and controlling the input value through the operation unit and the leakage through the measuring unit to control the display unit to be displayed through the display unit. The method of claim 3, wherein the temperature controller, An operation unit provided to allow a user to operate input values related to temperature control; A display unit for displaying information on temperature control; A leak display unit provided to display or alarm whether or not the leakage fluid is leaked; And a controller for controlling the driver from an input value through the operation unit and displaying information on temperature control on the display unit, and determining whether or not to leak through the meter to display or alarm the leak display unit. A thermostat for use in a collective heating system. The method of claim 3, wherein the temperature controller, An adjusting circuit unit electrically connected to any one of the measuring unit, the external indicating unit, and a connecting line, the adjusting circuit unit being configured to adjust a signal relating to a heat quantity or a flow rate of the heating fluid generated by the measuring unit; And a control unit connected to the control circuit unit to determine whether the heating fluid is leaked by receiving a signal and displaying or alarming the heating circuit. The method of claim 6, wherein the adjustment circuit unit, A timer circuit unit arranged to delay transmission of a signal regarding a heat quantity or a flow rate of the heating fluid generated by the measuring instrument for a predetermined time from the time when the controller cuts off the driver; And a rectifier circuit unit provided to prevent a backflow of the signal transmitted from the meter to the controller and to block noise generation. The method of claim 7, wherein the adjustment circuit unit, And amplifying circuit unit which is provided to amplify the signal generated by the measuring instrument. The method of claim 4 or 5, wherein the temperature controller, An illumination unit providing illumination of a predetermined brightness to the display unit; Including a motion sensor for detecting the motion of the object within a predetermined distance from the temperature controller, And the control unit controls the lighting unit to provide illumination according to a detection result of the motion detection sensor. The heating fluid is distributed from each supply pipe of the main supply pipe to supply a plurality of heating fluids to the plurality of rooms in the heating main body, and a plurality of control valves and actuators are provided to control the flow of the heating fluid to the plurality of rooms. In the temperature control device used in the collective heating system in which the heat quantity or flow rate of the gas is measured and accumulated through the external indicating unit, A temperature controller provided in each of the plurality of rooms to allow manipulation and display of room temperature; And It is connected to the driver and the temperature controller to control the temperature of each room input through each of the temperature controller by controlling the driver, and any one of the measuring line, the external indicator and the connecting line connecting the instrument and the external indicator And a main control device connected to the main controller to display the leakage of the heating fluid through the temperature controller from a signal relating to the heat quantity or flow rate of the heating fluid measured by the measuring instrument. The method of claim 10, wherein the temperature controller, An operation unit provided to allow a user to operate input values related to temperature control; The input value through the operation unit and whether the leak through the measuring device is determined by the main control device, the display unit for displaying information on the temperature control and whether the leakage of the heating fluid is used in the collective heating system, characterized in that Thermostat. The method of claim 10, wherein the temperature controller, An operation unit provided to allow a user to operate input values related to temperature control; A display unit for determining an input value through the operation unit by the main control device and displaying information on temperature control; And a leak display unit configured to determine whether or not the leak through the measuring device is determined by the main control device to indicate whether or not the leak of the heating fluid is leaked. The method of claim 10, wherein the main control device, An adjusting circuit unit electrically connected to any one of the measuring unit, the external indicating unit, and a connecting line, the adjusting circuit unit being configured to adjust a signal relating to a heat quantity or a flow rate of the heating fluid generated by the measuring unit; And a control unit connected to the adjustment circuit unit to determine whether the heating fluid is leaked and to display or alarm the signal through the respective temperature controllers. The method of claim 13, wherein the adjustment circuit unit, A timer circuit unit arranged to delay transmission of a signal regarding a heat quantity or a flow rate of the heating fluid generated by the measuring instrument for a predetermined time from the time when the controller cuts off the driver; And a rectifier circuit unit provided to prevent a backflow of the signal transmitted from the meter to the controller and to block noise generation. The method of claim 14, wherein the adjustment circuit unit, And amplifying circuit unit which is provided to amplify the signal generated by the measuring instrument. The method of claim 11 or 12, wherein the temperature controller, An illumination unit providing illumination of a predetermined brightness to the display unit; Including a motion sensor for detecting the motion of the object within a predetermined distance from the temperature controller, And the lighting unit provides illumination according to the detection result of the motion detection sensor. Heating fluid is supplied to each heating subject through each supply pipe connected to the main supply pipe, and the heating fluid circulates through the main circulation pipe and each circulation pipe, and the flow of the heating fluid is controlled by a control valve installed on the circulation pipe. In the control method of the temperature control device used in the collective heating system that is controlled and the heat quantity or flow rate of the heating fluid through the measuring instrument is integrated through the external indicator, Determining whether heating for the heating subject is necessary; Shutting off the control valve when heating to the heating subject is not required; Determining whether a flow detection signal is detected after a set time elapses; And Displaying or alarming leakage of heating fluid when a flow detection signal is detected; Control method of the thermostat used in the collective heating system comprising a. The heating fluid is distributed from each supply pipe of the main supply pipe to supply a plurality of heating fluids to the plurality of rooms in the heating main body, and a plurality of control valves and actuators are provided to control the flow of the heating fluid to the plurality of rooms. In the control method of the temperature control device used in the collective heating system in which the heat quantity or flow rate of the is measured and accumulated through the external indicator, Determining whether heating is required for each room in the heating subject; If heating is not required for all rooms in the heating subject, shutting off all corresponding control valves for each room; Determining whether a flow detection signal is detected after a set time elapses; And Displaying or alarming a leak of heating fluid through a temperature controller provided in each room when a flow rate detection signal is detected; Control method of the thermostat used in the collective heating system comprising a.

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