KR102148137B1 - Calorimetry system capable of detecting the failure of household water temperature sensor and control method of the same - Google Patents

Abstract

The present invention relates to a calorie measurement system capable of detecting a failure of a household feed water temperature sensor and a control method thereof. The present invention includes a local control unit provided inside each household and a central control unit managing an entire building. Therefore, the local control unit first checks a household feed water temperature fluctuation value and a household return water temperature fluctuation value, inside a household to first check whether a household feed water temperature sensor is abnormal. In addition, when the failure of the household feed water temperature sensor is suspected, the central control unit checks the temperature of heating water outside the household and the temperature of the heating water of a similar household. According to the present invention, the failure of the household feed water temperature sensor can be determined more quickly and accurately.

Description

Calorimeter system capable of detecting the failure of household water temperature sensor and control method of the same}

The present invention relates to a calorie measurement system capable of detecting a failure of a household water supply temperature sensor and a control method thereof, wherein an abnormality of a sensor that measures the temperature of the household heating water is detected, and specific heat is more accurately corrected to It relates to a calorie measurement system capable of detecting a failure of a household water supply temperature sensor capable of more accurately calculating a temperature and a control method thereof.

In general, heating is divided into individual heating, central heating and district heating according to the heat supply system. Individual heating is a method of supplying heat from an individual heat source to each room requiring heating, central heating is a method of supplying necessary heating in one building, and district heating is a method of simultaneously supplying necessary heat in a region. .

In order to efficiently manage the heat supplied from such a heating system, an integrated calorimeter is used. The integrated calorimeter is an instrument that measures the amount of heat consumed by heating water in a system that supplies heat to a heat load using heating water as a heat medium.

A conventional integrated calorimeter includes a flow rate measurement unit that measures a flow rate of heating water, a supply temperature sensor that measures a temperature of supplied heating water, and a recovery temperature sensor that measures a temperature of the recovered heating water, and the flow rate The flow rate measured by the measuring unit and the temperature difference between the temperature measured by the supply temperature sensor and the recovery temperature sensor are used to convert the amount into heat.

However, even when the temperature sensor is deteriorated or an abnormality occurs in the temperature sensor, since the amount of heat is calculated according to the value measured by the temperature sensor, there is a problem that accuracy is degraded.

Korean Registered Patent Publication 10-0363836

An object of the present invention is to provide a calorie measurement system capable of detecting a failure of a household water supply temperature sensor and a control method thereof.

A heat quantity measurement system capable of detecting a failure of a household water supply temperature sensor according to the present invention comprises: a tank water supply temperature sensor measuring a tank water supply temperature of the tank heating water supplied from the heating water tank through a main supply pipe; Household water temperature sensors provided in each household of the building and measuring household water temperature of household heating water supplied to each household through a plurality of household supply pipes branched from the main supply pipe; Household return temperature sensors provided in each of the households and measuring a household return temperature of household heating water returned from the household; Household flow sensors provided in each of the households and measuring a return flow rate of household heating water returned from the household; If the household water supply temperature fluctuation value measured by the household water supply temperature sensor is greater than or exceeds the preset household water supply temperature range provided in each household, the household water return temperature fluctuation value measured by the household water return temperature sensor is set in advance. If compared with the temperature range and the household return temperature fluctuation value is normal within the household return temperature range, it is determined that the household water supply temperature sensor has a suspected failure, and transmits a signal to the household with a suspected failure. A control unit; When receiving a signal for the household with a suspicion of failure from the local control unit, the tank water supply temperature fluctuation value measured by the tank water supply temperature sensor is compared with a preset tank water supply temperature range, and the tank water supply temperature fluctuation value is the tank water supply temperature. If it is normal within the range, it is determined that the water supply temperature of the tank heating water is normal, and any one of the households with a similar location group and the suspected failure is set as a similar household, and the similarity measured by the household water temperature sensor of the similar household If the household water supply temperature fluctuation value of the household heating water is compared with the household water supply temperature range, and the household water supply temperature fluctuation value of the similar household heating water is normal within the household water supply temperature range, the similar household is normal and the failure is suspected. It includes a central control unit that determines that the household water temperature sensor of the household is faulty.

The control method of a heat quantity measurement system capable of detecting a failure of a household water supply temperature sensor according to the present invention includes a tank water supply temperature sensor measuring the tank water temperature of the tank heating water supplied from the heating water tank through the main supply pipe, and Household water supply temperature sensors provided in each household of the house measure the household water temperature of the household heating water supplied to the household through the household supply pipes branched from the main supply pipe to the households, and the household water return temperature provided in each household. Sensors measuring a household return temperature of household heating water returned from the household; Comparing, by a local control unit provided in each household, a fluctuation value of household water supply temperature measured by the household water supply temperature sensor with a preset household water supply temperature range; If the household water supply temperature fluctuation value is greater than or exceeds the household water supply temperature range, the local control unit comparing the household water exchange temperature fluctuation value measured by the household water exchange temperature sensor with a preset household water exchange temperature range; If the household return temperature fluctuation value is normal within the household return temperature range, the local control unit determines that a failure of the household water supply temperature sensor is a suspected failure, and transmits a signal for the failure suspected household to the central control unit. Step and; Comparing, by the central control unit, a tank water supply temperature fluctuation value of the tank heating water measured by the tank water supply temperature sensor with a preset tank water supply temperature range when the central control unit receives a signal for the failure suspected household from the local control unit; If the tank water supply temperature fluctuation value is normal within the tank water supply temperature range, the central control unit determines that the water supply temperature of the tank heating water is normal, and selects any one of the households set to the similar location group as the failure suspected household. And comparing the household water supply temperature fluctuation value of the similar household heating water measured by the household water supply temperature sensor of the similar household with the household water supply temperature range; And if the household water supply temperature fluctuation value of the heating water of the similar household is normal within the household water supply temperature range, determining that the similar household is normal and the household water temperature sensor of the household with suspected failure has a failure.

The present invention includes a local control unit provided inside each household and a central control unit that manages the entire building, whereby the local control unit first checks the household water supply temperature fluctuation value and the household return temperature fluctuation value to supply household water supply. The household water temperature sensor is broken by first checking whether the temperature sensor is abnormal, and when a failure of the household water temperature sensor is suspected, the central control unit is configured to check the temperature of the heating water outside the household and the heating water temperature of a similar household. There is an advantage of being able to judge more quickly and accurately.

1 is a diagram schematically showing the configuration of a heat quantity measurement system of a heating water supply system for a building according to an embodiment of the present invention.
2 is a block diagram schematically showing the configuration of a calorie measurement system according to an embodiment of the present invention.
3 to 5 are flowcharts illustrating a method of controlling a calorie measurement system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a diagram schematically showing the configuration of a heat quantity measurement system of a heating water supply system for a building according to an embodiment of the present invention. 2 is a block diagram schematically showing the configuration of a calorie measurement system according to an embodiment of the present invention.

1, a heating water supply system according to an embodiment of the present invention includes a heat exchange unit 2, a heating water tank 4, a heat exchange pipe 6, a main supply pipe 10, and household supply pipes 11 It includes (12) (13), the main return pipe (20), and household return pipes (21) (22) (23).

The heat exchange part 2 is provided between the heat source and the heating water tank 4 and is a part where heat exchange of a circulating medium is performed. The heat exchange unit 2 and the heating water tank 4 are connected through a circulation passage 6.

The heating water tank 4 is a tank in which heating water is stored. The heating water tank 4 may be installed in the basement of a building or in a complex in which a plurality of buildings are located.

The main supply pipe 10 is a pipe for supplying the heating water stored in the heating water tank 4 to the building 1.

The household supply pipes 11, 12, and 13 are branched from the main supply pipe 10 to correspond to respective lines of the building 1. In the present embodiment, the household supply pipes 11, 12, and 13 are described as including three first, second, and third generation supply pipes 11, 12, and 13, for example. The first, second, and third generation supply pipes 11, 12, and 13 are branched again to supply heating water to households for each floor, respectively.

The household return pipes 21, 22, and 23 are pipes for returning heating water from each household of the building. In this embodiment, the household return pipes 21, 22, and 23 are described as an example to include three first, second, and third generation return pipes 21, 22, and 23. do. The first, second, and third generation water return pipes 21, 22, and 23 are branched again to supply heating water to the households for each floor, respectively.

The main water return pipe 20 is a pipe for returning to the heating water tank 4 by summing the heating water returned from the first, second, and third generation water return pipes 21, 22, and 23.

1 and 2, the heat quantity measurement system according to an embodiment of the present invention measures the heat quantity of heating water supplied from the heating water tank 4 to each household G of the building 1 System.

Referring to FIG. 2, the heat quantity measurement system includes a tank water supply temperature sensor 15, household water supply temperature sensors 31, household return water temperature sensors 32, household flow sensors 33, and specific heat correction unit ( 34), a heat quantity calculation unit 35, an output unit 36, a local control unit 40, and a central control unit 50.

The tank water supply temperature sensor 15 is a sensor installed in the main supply pipe 10 to measure the temperature of the tank heating water supplied from the heating water tank 4. Of course, the tank water supply temperature sensor 15 may be provided inside the heating water tank 4.

The household water temperature sensors 31 are provided for each of the households (G) and supplied to each household (G) through the first, second, and third generation supply pipes 11, 12, and 13 It is a sensor that measures the water supply temperature of household heating water.

The household return temperature sensors 32 are provided for each household (G) and are sensors that measure the return temperature of household heating water returned from the household.

The household flow sensors 33 are sensors that are provided for each household (G) and measure the return flow rate of household heating water returned from the household. In this embodiment, assuming that the supply flow rate supplied to the household and the return flow rate returned from the household are the same, the household flow sensors 33 measure the return flow rate returned from the household. However, it is not limited thereto and of course it is also possible to measure the supplied supply flow rate.

The household flow sensors 33 are not shown, but the flow rate may be calculated by detecting a flow rate pulse generated when a certain flow rate is discharged using an impeller. The flow rate measured by the household flow sensors 33 is provided to the heat quantity calculating unit 35 through the local control unit 40.

The specific heat correction unit 34 is provided in each of the households G and corrects the specific heat C according to the temperature value measured by the household water supply temperature sensor. The specific heat correction unit 34 is provided for each generation (G), for example, but is not limited thereto and is provided in a management server (not shown) that collects values measured by each generation and manages the entire system. Of course it is also possible.

The heat quantity calculation unit 35 includes specific heat (C) corrected by the specific heat correction unit 34, a flow rate measured by the household flow sensor 33, and the household heating water measured by the household water supply temperature sensor 31 The heat quantity Q of the heating water supplied to the household G is calculated using the difference between the water supply temperature of and the return temperature of the household heating water measured by the household return temperature sensor 32. The heat amount calculation unit 35 will be described as being provided for each generation (G). However, the present invention is not limited thereto, and of course, it may be provided in a management server (not shown) that collects values measured by each household and manages the entire system.

The output unit 36 may display the presence or absence of a failure of the sensors in a message such as sound or text according to a signal from the local control unit 40 or may display the calculated amount of heat.

The local control unit 40 is provided for each of the households (G) and receives measured values of the household water supply temperature sensor 31, the household water return temperature sensor 32, and the household flow sensor 33, A control signal is transmitted to the specific heat correction unit 34, the calorie calculation unit 35, and the output unit 36.

The local control unit 40 is provided for each of the households (G) and receives measured values of the household water supply temperature sensor 31, the household water return temperature sensor 32, and the household flow sensor 33, A control signal is transmitted to the specific heat correction unit 34, the calorie calculation unit 35, and the output unit 36. The local control unit 40 determines whether or not the household water supply temperature sensor 31 has a failure according to the temperature fluctuation value measured by the household water supply temperature sensor 31 and the household return temperature sensor 32 of the corresponding household. can do. The local control unit 40 performs wired and wireless communication with the central control unit 50 to be described later. The local control unit 40 may perform wired or wireless communication with the tank water supply temperature sensor 15, the management server (not shown) or the heating water supply source (not shown) through the central control unit 50.

The central control unit 50 is provided in a management room of the building or a management office that remotely manages the building, and communicates with the local control unit 40 by wire or wirelessly to provide a signal from the local control unit 40 to a suspected failure household. Receive. In addition, the central control unit 50 communicates with the tank water supply temperature sensor 15 by wire or wirelessly to receive a measured value of the tank water supply temperature. When the central control unit 50 receives a signal for a household with a suspected failure from the local control unit 40, the measured value of the tank water supply temperature, a household water supply temperature change value of a similar household, and a household return temperature change value of a similar household In consideration of the like, it is possible to determine whether the household water temperature sensor of the household with a suspected failure has a failure. In addition, the central control unit 50 may also perform wired or wireless communication with the output unit 36.

A method of controlling a calorie measurement system according to an embodiment of the present invention configured as described above will be described as follows.

Hereinafter, for convenience of description, the first household G1, which is the top floor household of the first line, among the plurality of households G of the building 1 will be described as an example. However, the present invention is not limited thereto, and the present invention can be applied to all households G of the building 1.

Referring to FIG. 3, first, household water supply temperature, household return water temperature, and tank water supply temperature are measured (S1).

The household water supply temperature sensor 31 measures the household water temperature of the household heating water supplied to the first household G1. The household water supply temperature may be measured in real time, or may be measured for a set time at a preset time interval. In addition, it is of course possible to measure the household water supply temperature only when necessary.

In addition, the household return temperature sensor 32 measures the household return temperature of the household heating water returned from the first household G1. The household exchange temperature may be measured in real time, or may be measured for a set time at a preset time interval. In addition, it is of course possible to measure the household exchange temperature only when necessary.

In addition, the tank water supply temperature sensor 15 measures the tank water supply temperature of the tank heating water supplied through the main supply pipe 10. The tank water supply temperature may be measured in real time, or may be measured for a set time at a preset time interval. In addition, it is of course possible to measure the tank water supply temperature only when necessary. The tank water supply temperature is transmitted to the central control unit 50.

In addition, the household flow sensor 33 provided in the first household G1 measures the return flow rate of the household heating water returned from the first household G1 and returned.

The local control unit 40 determines whether the household water supply temperature fluctuation value measured by the household water supply temperature sensor 31 is abnormal (S2).

That is, by comparing the household water supply temperature fluctuation value with a preset household water supply temperature range, it is determined whether the household water supply temperature fluctuation value exceeds the household water supply temperature range.

If the fluctuation value of the water supply temperature of the household heating water exceeds the household water supply temperature range, the local control unit 40 determines whether the fluctuation value of the household water change temperature measured by the household water exchange temperature sensor is abnormal.

That is, by comparing the household exchange temperature fluctuation value with a preset household exchange temperature range, it is determined whether the household exchange temperature fluctuation value exceeds the household exchange temperature range (S3).

The local control unit 40 determines that the household water supply temperature sensor 31 is normal if the household water change temperature fluctuation value is above the household water exchange temperature range (S4).

That is, the local control unit 40 determines that a temperature change has occurred while supplying the heating water from the heating water tank 4 to the household because both the household water supply temperature fluctuation value and the household return water temperature fluctuation value are abnormal. Thus, it is determined that the household water supply temperature sensor 31 is normal.

Accordingly, the local control unit 40 may first check the normality of the household water temperature sensor within each household by checking the household water supply temperature and the household return temperature of each household.

When the local control unit 40 determines that the household water temperature sensor 31 is normal, the specific heat correction unit 34 transmits a control signal to correct the specific heat C.

Since the specific heat correction unit 34 determines that the household water supply temperature sensor 31 is normal, the specific heat C is corrected by using the temperature value measured by the household water supply temperature sensor 31 as it is. (S5) )

After the specific heat correction unit 34 corrects the specific heat C, the local control unit 40 determines the heat quantity Q of household heating water supplied to the first generation G1 by the heat quantity calculation unit 35 Transmit a control signal to produce ).

The heat quantity calculation unit 35 includes the specific heat C corrected by the specific heat correction unit 34, the household water supply temperature measured by the household water supply temperature sensor 31 and the household water return temperature sensor 32 The heat quantity Q of the household heating water supplied to the first household G1 is calculated using the difference in the return temperature of one household and the return flow rate of the household heating water measured by the household flow sensor 33. S6)

The heat quantity Q of the household heating water calculated by the heat quantity calculation unit 35 may be output through the output unit 36. The heat quantity Q of the household heating water calculated by the heat quantity calculation unit 35 is transmitted as a signal to the local control unit 40 and the central control unit 50, and the local control unit 40 or the central control unit 50 ) May transmit an output signal to the output unit 36.

In addition, the local control unit 40, the central control unit 50, or the management server (not shown) uses the heat quantity Q of the household heating water calculated by the heat quantity calculation unit 35 and a heating rate reference value. Thus, the heating rate can be calculated. The heating rate reference value may be provided from a heat source supplier.

Meanwhile, referring to FIG. 4, the household water supply temperature fluctuation value is abnormal beyond the household water supply temperature range, but if the household water return temperature fluctuation value is normal within the household water exchange temperature range without exceeding the household water exchange temperature range, the The local control unit 40 determines that the first generation G1 is a suspected failure generation in which a failure of the household water supply temperature sensor 31 is suspected (S7).

The local control unit 40 transmits a signal indicating that the first generation G1 is the suspected failure generation to the central control unit 50 (S8).

The local control unit 40 transmits a signal to the central control unit 50 to check the temperature change of the heating water outside the household when the household water supply temperature sensor 31 is not normal and is suspected to be malfunctioning.

When the central control unit 50 receives a signal for the suspected failure household from the local control unit 40, the tank water supply temperature fluctuation value measured by the tank water supply temperature sensor 15 provided outside the household is normal. Determine whether it is (S9)

That is, the central control unit 50 compares the tank water supply temperature variation value measured by the tank water supply temperature sensor 15 with a preset tank water supply temperature range, so that the tank water supply temperature variation value falls within the tank water supply temperature range. Determine if it is normal.

If the fluctuation value of the tank water supply temperature is normal, the central control unit 50 determines that the water supply temperature of the tank heating water is normal.

If the water supply temperature of the heating water in the tank is normal, it is necessary to check whether a temperature change occurs while the heating water is supplied and transported through the household supply pipes 11, 12, and 13.

Accordingly, when the water supply temperature of the tank heating water is normal, the central control unit 50 detects a similar household set as a similar location group with the first household G.

The similar location group may be preset and stored in at least one of a separate database (not shown), the central control unit 50, and the management server (not shown). The similar location group is set by grouping households located on the same floor in the building into the same group. That is, since the temperature change may occur similarly depending on the height where the household is located, a similar location group is set so that households located on the same floor can be compared.

Similar generations set as a similar location group to the first generation G1 are the second generation G2 and the third generation G3. In this embodiment, it will be described for example that the water supply temperature of the household heating water supplied to the first household G1 and the second household G2 set to a similar location group is checked. However, the present invention is not limited thereto, and when there are a plurality of similar households, it is of course possible to check all the water supply temperatures of household heating water supplied to all similar households.

In addition, since the local control unit 40 is provided for each of the households, the local control unit 40 sets the household for which the household water temperature sensor of the corresponding household is determined to be normal as the similar household. That is, when the local control unit 40 determines that the household water supply temperature sensor 31 is normal, it transmits a signal for the normal household to the central control unit 50. The central control unit 50 sets, among the households included in the similar location group, a household equipped with the local control unit 40 that has transmitted a signal for the normal household as the similar household.

The central control unit 50 determines whether the household water supply temperature fluctuation value of the similar household heating water measured by the household water supply temperature sensor 31 of the second generation G2 is normal (S10).

In this case, the central control unit 50 may receive the fluctuation value of the household water supply temperature of the second generation G2 from a local control unit provided in the second generation G2.

The central control unit 50 compares the water supply temperature fluctuation value of the similar household heating water with the household water supply temperature range, and determines whether the household water supply temperature range is normal.

If the fluctuation value of the water supply temperature of the similar household heating water is normal within the household water supply temperature range, it may be determined that the water supply temperature of the heating water supplied to the second generation G2 is normal.

Therefore, since only the household water supply temperature fluctuation value of the first generation (G1) is abnormal, and the household water supply temperature fluctuation value of the second generation (G2) is normal, the temperature change does not occur when the heating water is supplied or transferred. I can judge.

This is because if a temperature change occurs while the heating water is supplied from the heating water tank 4 to each household, a similar temperature change must occur in the first generation G1 and the second generation G2.

Accordingly, the central control unit 50 is equal to or greater than only the household water supply temperature fluctuation value of the first generation G1, and the household return water temperature fluctuation value, the tank water supply temperature fluctuation value, and the similar household water supply temperature fluctuation value are all If it is normal, it may be finally determined that the household water supply temperature sensor 31 installed in the first household G1 is malfunctioning (S11).

In addition, the central control unit 50 outputs a failure of the household water supply temperature sensor 31 of the first generation G1 (S12).

On the other hand, the central control unit 50, if only the household water supply temperature fluctuation value of the first generation (G1) is more than, the household return temperature fluctuation value is normal, but the tank water supply temperature fluctuation value is determined to be abnormal, the It is determined that the water supply temperature of the household heating water supplied to the household has changed due to the temperature change of the tank heating water, and the household water supply temperature sensor is determined to be normal (S4).

On the other hand, referring to FIG. 5, the central control unit 50 is above only the household water supply temperature fluctuation value of the first generation G1, and the household water return temperature fluctuation value and the tank water supply temperature fluctuation value are normal, If the household water supply temperature fluctuation value of the similar household heating water is greater than or equal to the household water supply temperature fluctuation value of the similar household, it is determined whether the household water return temperature fluctuation value of the similar household is also greater.

In this case, the central control unit 50 may receive a change value of the household changeover temperature of the second generation G2 from a local control unit provided in the second generation G2.

The central control unit 50, if the household water temperature fluctuation value of the similar household heating water is abnormal, but the household water change temperature fluctuation value is normal within the household exchange temperature range, the second generation of the similar household (G2) The household water temperature sensor can also be determined as a suspected failure household (S14).

After adding the second generation (G2) as a suspected failure generation, the central control unit 50 selects a new similarity among the remaining generations except the second generation (G2) among the generations set as the similar location group. Reset to household again (S15)

When the similar household is reset, the step (S5) of determining whether the fluctuation value of the similar household water supply temperature is normal is performed again.

On the other hand, if the fluctuation value of the water supply temperature of the heating water of the similar household is abnormal and the fluctuation value of the household return temperature of the similar household is also higher, the central control unit 50 indicates that the household water supply temperature sensor 31 of the similar household is normal. Judge.

As described above, in the present invention, the specific heat is corrected according to the water supply temperature of the household heating water measured by the household water supply temperature sensor 31, but it is possible to more accurately detect an abnormality such as a failure of the household water supply temperature sensor 31. Therefore, it is possible to prevent incorrect specific heat correction due to an error in the measured temperature.

In addition, in the present invention, even if the household water supply temperature fluctuation value is abnormal within the household, the local control unit 40 provided in each household checks the household water return temperature fluctuation value to determine whether the household water supply temperature sensor 31 is normal. Since it is checked first, it is possible to more quickly determine the normal operation of the household water supply temperature sensor 31, so that the calorific value can be detected quickly.

In addition, the local control unit 40 transmits a signal to the central control unit 50 when a failure of the household water supply temperature sensor 31 is suspected because the household water supply temperature fluctuation value is abnormal but the household water exchange temperature fluctuation value is normal. By transmitting, since the central control unit 50 can check the temperature of the heating water outside the household, more efficient and accurate detection is possible.

In addition, since the local control unit 40 and the central control unit 50 periodically exchange a signal indicating whether the household water temperature sensor of each household has failed, the household water temperature sensor of the similar household has failed. Since cases can be filtered, more accurate detection is possible.

In the above embodiment, the detection of a failure of the household water supply temperature sensor was described as an example, but the household water return temperature sensor ( It is of course possible to detect abnormalities such as failure of 32). When a failure of the household return temperature sensor 32 is detected, the return temperature of the tank heating water returned to the heating water tank 4 and the change value of the household heating water return temperature of the similar household must be checked together.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those of ordinary skill in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims.

4: heating water tank 10: main supply pipe
15: tank water temperature sensor 20: main return pipe
31: household water temperature sensor 32: household water return temperature sensor
33: household flow sensor 34: specific heat correction unit
35: calorie calculation unit 36: output unit
40: local control unit 50: central control unit

Claims (13)

A tank water supply temperature sensor measuring a tank water supply temperature of the tank heating water supplied from the heating water tank through the main supply pipe;
Household water temperature sensors provided in each household of the building and measuring household water temperature of household heating water supplied to each household through a plurality of household supply pipes branched from the main supply pipe;
Household return temperature sensors provided in each of the households and measuring a household return temperature of household heating water returned from the household;
Household flow sensors provided in each of the households and measuring a return flow rate of household heating water returned from the household;
If the household water supply temperature fluctuation value measured by the household water supply temperature sensor is greater than or exceeds the preset household water supply temperature range provided in each household, the household water return temperature fluctuation value measured by the household water return temperature sensor is set in advance. If compared with the temperature range and the household return temperature fluctuation value is normal within the household return temperature range, it is determined that the household water supply temperature sensor has a suspected failure, and transmits a signal to the household with a suspected failure. A control unit;
When receiving a signal for the suspected failure household from the local control unit, the tank water supply temperature fluctuation value measured by the tank water supply temperature sensor is compared with a preset tank water supply temperature range,
If the tank water supply temperature fluctuation value is determined to be abnormal outside the tank water supply temperature range, the household water supply temperature sensor determines that it is normal,
If the tank water supply temperature fluctuation value is normal within the tank water supply temperature range, it is determined that the water supply temperature of the tank heating water is normal, and any one of the failure suspected household and the household set as a similar location group is set as a similar household, and the Compare the household water supply temperature fluctuation value of the similar household heating water measured by the household water supply temperature sensor of the similar household with the household water supply temperature range,
If the household water supply temperature fluctuation value of the similar household heating water is normal within the household water supply temperature range, the similar household is normal, and a central control unit for determining that the household water temperature sensor of the household with a suspected failure is a failure,
The central control unit,
If the household water supply temperature fluctuation value of the similar household heating water exceeds the household water supply temperature range, the household water return temperature fluctuation value measured by the household water return temperature sensor of the similar household is compared with the household water return temperature range, and the household If the change in return temperature is normal within the range of the household return temperature, the similar household is also added to the suspected failure household,
If the similar generation is also added as the failure suspected generation, another one of the generations set as the similar location group is set again as a new similar generation,
The local control unit,
If it is determined that the household water temperature sensor is normal, a signal for the normal household is transmitted to the central control unit,
The central control unit,
Among the households included in the similar location group, a household equipped with the local control unit transmitting a signal for the normal household is set as the similar household,
If the household water supply temperature fluctuation value is normal within the household water supply temperature range,
Further comprising a specific heat correction unit for correcting the specific heat according to the value measured by the household water temperature sensor,
The similar location group receives heating water distributed from the main supply pipe, and detects a failure of a household water supply temperature sensor set by grouping households located on the same floor in the building. delete delete delete delete delete The method according to claim 1,
Provided in each of the households, supplied to the household by using the specific heat corrected by the specific heat correction unit, the flow rate measured by the household flow sensor, and the temperature measured by the household water supply temperature sensor and the household return temperature sensor A calorie measurement system capable of detecting a failure of a household water supply temperature sensor further comprising a calorie calculation unit for calculating the calorific value of the household heating water. The tank water supply temperature sensor measures the tank water temperature of the tank heating water supplied from the heating water tank through the main supply pipe, and the household water supply temperature sensors provided in each household of the building branch from the main supply pipe to the households. Measuring a household water temperature of the household heating water supplied to the household through the device, and measuring a household water return temperature of the household heating water returned from the household by the household water return temperature sensors provided in each household;
Comparing, by a local control unit provided in each household, a fluctuation value of household water supply temperature measured by the household water supply temperature sensor with a preset household water supply temperature range;
If the household water supply temperature fluctuation value is greater than or exceeds the household water supply temperature range, the local control unit comparing the household water exchange temperature fluctuation value measured by the household water exchange temperature sensor with a preset household water exchange temperature range;
If the household return temperature fluctuation value is normal within the household return temperature range, the local control unit determines that the failure of the household water supply temperature sensor is a suspected failure, and transmits a signal for the failure suspected household to the central control unit. Step and;
Comparing, by the central control unit, a tank water supply temperature fluctuation value of the tank heating water measured by the tank water supply temperature sensor with a preset tank water supply temperature range, when a signal for the failure suspected household is received from the local control unit;
The central control unit determines that the water supply temperature of the tank heating water is normal if the tank water supply temperature fluctuation value is normal within the tank water supply temperature range,
Any one of the suspected failure household and the household set as a similar location group is set as a similar household, and the household water supply temperature fluctuation value of the similar household heating water measured by the household water supply temperature sensor of the similar household is compared with the household water supply temperature range And;
If the household water supply temperature fluctuation value of the similar household heating water is normal within the household water supply temperature range, determining that the similar household is normal, and the household water temperature sensor of the household with a suspected failure is a failure,
In the step of comparing the household water supply temperature fluctuation value of the similar household heating water with the household water supply temperature range, the central control unit, if the household water supply temperature fluctuation value of the similar household heating water exceeds the household water supply temperature range,
Compare the household return temperature fluctuation value measured by the household return temperature sensor of the similar household with the household return temperature range,
If the household exchange temperature fluctuation value is normal within the household exchange temperature range,
The similar generation is also added as the failure suspected generation,
If the similar generation is also added as the failure suspected generation, another one of the generations set as the similar location group is set again as a new similar generation,
The local control unit,
If it is determined that the household water temperature sensor is normal, a signal for the normal household is transmitted to the central control unit,
The central control unit,
Among the households included in the similar location group, a household equipped with the local control unit that transmitted a signal for the normal household is set as the similar household,
The local control unit determines that the household water supply temperature sensor is normal when the household water supply temperature fluctuation value exceeds the household water supply temperature range and is above the household water supply temperature range,
If the household water supply temperature fluctuation value exceeds the household water supply temperature range, the household water exchange temperature fluctuation value is normal within the household water exchange temperature range, and the tank water supply temperature fluctuation value is greater than or exceeds the tank water supply temperature range, A control method of a heat quantity measurement system capable of detecting a failure of a household water supply temperature sensor that determines that the household water supply temperature sensor is normal. delete delete delete delete delete

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