CN109631151B - Automatic control method, device and system for household heating valve - Google Patents
Automatic control method, device and system for household heating valve Download PDFInfo
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- CN109631151B CN109631151B CN201811594011.1A CN201811594011A CN109631151B CN 109631151 B CN109631151 B CN 109631151B CN 201811594011 A CN201811594011 A CN 201811594011A CN 109631151 B CN109631151 B CN 109631151B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a method, a device and a system for automatically controlling a household heating valve, and relates to the field of heating valve control. By utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the return water temperature of the water return pipeline at the user side and the indoor temperature of the user, the valve target opening angle corresponding to the preset target temperature under the conditions of the actual water inlet temperature of the water supply pipeline at the current user side and the actual return water temperature of the water return pipeline at the user side is calculated, the size of the opening of the valve is determined according to the difference value between the indoor actual temperature and the preset target temperature, and a valve opening adjusting instruction is sent to the valve controller. Therefore, the indoor actual temperature of the user can be automatically detected and automatically adjusted to the target temperature.
Description
Technical Field
The invention relates to the field of heating valve control, in particular to a household heating valve automatic control method, device and system.
Background
Based on the consideration of investment, the heat supply secondary pipe network generally adopts a different-range dendritic pipe network, and in the different-range dendritic pipe network, each loop path is different and the resistance is different. This allows the hot water to travel a short distance through the near end user and a long distance through the far end user. The pressure difference between the near end user and the far end user is large. If the pipe network is designed and regulated unreasonably, the flow of a near-end user is far beyond the designed flow, and the flow of a far-end user is smaller than the designed flow, so that the phenomenon of near heat and far cold is caused. In order to make the flow of each user close to the designed flow, the valves of the pipe network system need to be manually adjusted, and the pipe network system has more complicated valves, so the manual adjustment workload is large and the reliability is poor.
Therefore, there is a need for a method of automatically adjusting the opening of a valve to maintain the indoor temperature of a user at a target temperature or within a target temperature range.
Disclosure of Invention
The invention aims to solve the technical problems that a method, a device and a system for automatically controlling a household heating valve are provided, the indoor temperature of a user can be automatically detected, judged and adjusted, and the problems of large workload and low accuracy of manual adjustment are solved.
The technical scheme of the invention is as follows:
according to one aspect of the present invention, there is provided a method for automatically controlling a household heating valve, comprising:
receiving the actual water inlet temperature of a water supply pipeline at the user side uploaded by the first temperature sensor, the actual water return temperature of a water return pipeline at the user side uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the opening degree sensor;
calculating a valve target opening angle corresponding to a preset target temperature under the conditions of the current actual water inlet temperature of the water supply pipeline at the user side and the actual water return temperature of the water return pipeline at the user side by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side, the opening degree of the valve and the indoor temperature of the user;
and determining the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sending a valve opening adjusting instruction to the valve controller.
In one embodiment, the target temperature is a range of values or a numerical value;
when the target temperature is a numerical range, the step of determining the size of the opening of the valve according to the difference value between the indoor actual temperature and the preset target temperature comprises the following steps:
judging whether the indoor actual temperature is within the target temperature range, and if the indoor actual temperature is within the target temperature range, adjusting the opening of the valve is not needed;
if the indoor actual temperature is not within the target temperature range, calculating the difference value between the indoor actual temperature of the user and the two endpoint values of a preset target temperature interval, taking a smaller difference value, if the smaller difference value is larger than a first threshold value, determining that the opening degree of the valve is the maximum opening angle, otherwise, taking the endpoint value with the smaller difference value between the indoor actual temperature of the user and the two endpoint values of the target temperature interval as the target temperature, taking the valve angle corresponding to the target temperature as the target opening angle of the valve, calculating the difference value between the current opening angle of the valve and the target opening angle of the valve, and adjusting the difference value to the target opening angle of the valve;
when the target temperature is a numerical value, the step of determining the size of the opening of the valve according to the difference value between the indoor actual temperature and the preset target temperature comprises the following steps:
when the difference value between the indoor actual temperature and the preset target temperature is larger than a first threshold value, determining that the opening degree of the valve is the maximum opening angle;
and when the difference value between the indoor actual temperature and the preset target temperature is not greater than a first threshold value, calculating the difference value between the current valve opening angle and the target valve opening angle, and adjusting to the target valve opening angle.
In one embodiment, the actual water inlet temperature of the user-side water supply pipeline uploaded by the first temperature sensor, the actual water return temperature of the user-side water return pipeline uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the valve opening sensor are received;
calculating the actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the user indoor temperature corresponding to the valve opening degree, which are measured currently, by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the valve opening degree and the user indoor temperature;
judging the state of the indoor radiator according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user;
if the indoor radiator is in a normal state, calculating a valve target opening angle corresponding to a preset target temperature under the conditions of the current actual water inlet temperature of the water supply pipeline at the user side and the actual water return temperature of the water return pipeline at the user side by using the functional relation between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the opening degree of the valve and the indoor temperature of the user;
and determining the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sending a valve opening adjusting instruction to the valve controller.
In one embodiment, the indoor actual temperatures of users uploaded by a plurality of indoor temperature sensors at a preset frequency are received, and the indoor actual temperatures of all users in a certain geographic range are taken as a data processing set;
rejecting abnormal values in the indoor actual temperature data processing set;
taking the residual value after the bad value is removed from the data processing collection as a new data processing collection, and calculating the mean value and the variance of the data processing collection;
and comparing the variance value with a fourth threshold value, determining a valve opening adjusting mode, independently adjusting the valve opening of each user when the variance value is larger than the fourth threshold value, uniformly adjusting the valves of all the corresponding users in the new data processing set when the variance value is not larger than the fourth threshold value, and adjusting according to the average indoor actual temperature and the target temperature difference of all the users.
In one embodiment, the process of rejecting outliers in the indoor actual temperature data processing set comprises:
calculating the average value of the indoor actual temperatures of all the users in the certain geographical range;
calculating the difference value between the indoor actual temperature of each user in the certain geographical range and the average value;
if the difference is larger than a third threshold value, the actual temperature value of the user is considered as a bad value, the user is removed, and if the difference is not larger than the third threshold value, the actual temperature of the user is considered as a normal value, and the user is reserved.
According to another aspect of the present invention, there is provided an automatic control device for a household heating valve, comprising a receiving module, a valve target opening angle query module, and a valve angle adjusting module, wherein:
the receiving module is used for receiving the actual water inlet temperature of the user-side water supply pipeline uploaded by the first temperature sensor, the actual water return temperature of the user-side water return pipeline uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the valve opening sensor;
the valve target opening angle query module is used for calculating a valve target opening angle corresponding to a preset target temperature under the conditions of the current actual water inlet temperature of the water supply pipeline at the user side and the actual water return temperature of the water return pipeline at the user side by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side, the opening degree of the valve and the indoor temperature of a user;
and the valve angle adjusting module determines the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sends a valve opening adjusting instruction to the valve controller.
In one embodiment, the system further comprises an indoor temperature query module and a radiator state detection module, wherein:
the indoor temperature query module is used for calculating the currently measured actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the user indoor temperature corresponding to the valve opening by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the valve opening and the user indoor temperature;
and the radiator state detection module is used for judging the indoor radiator state according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user.
In one embodiment, the system further comprises a bad value eliminating module, a variance calculating module and a valve opening mode selecting module, wherein the receiving module is used for receiving the indoor actual temperatures of the users uploaded by the indoor temperature sensors at a preset frequency, and taking the indoor actual temperatures of all the users in a certain geographic range as a data processing set, wherein:
the bad value eliminating module is used for eliminating abnormal values in the indoor actual temperature data processing set;
the variance calculation module is used for taking the residual value after the bad value is removed from the data processing collection set as a new data processing collection set and calculating the mean value and the variance of the data processing collection set;
the valve opening mode selection module is used for comparing the variance value with a fourth threshold value, independently adjusting the valve opening of each user when the variance value is larger than the fourth threshold value, uniformly adjusting the valves of all the corresponding users in the new data processing set when the variance value is not larger than the fourth threshold value, and adjusting according to the average indoor actual temperature and the target temperature difference of all the users.
In one embodiment, the variance calculation module may include a mean calculation unit, a difference calculation unit, and a first instruction issue unit, wherein:
the average value calculating unit is used for calculating the average value of the indoor actual temperatures of all the users in the certain geographic range;
a difference value calculating unit, configured to calculate a difference value between the indoor actual temperature of each user in the certain geographic range and the average value;
and the instruction issuing unit is used for rejecting the actual temperature value of the user when the difference value is judged to be larger than the third threshold value, and otherwise, reserving the actual temperature value.
According to another aspect of the present invention, there is provided a household heating valve automatic control system, comprising: a first temperature sensor, a second temperature sensor, an indoor temperature sensor, a valve opening sensor, a valve controller and an automatic control device of a household heating valve,
the first temperature sensor is used for measuring the actual inlet water temperature of the water supply pipeline at the user side;
the second temperature sensor is used for actual return water temperature of the user side return water pipeline;
the indoor temperature sensor is used for detecting the indoor actual temperature of a user;
the valve opening sensor is used for acquiring the size of the valve opening uploaded by the valve opening sensor;
and the valve controller is used for adjusting the opening of the valve.
The method has the beneficial effects that:
firstly, calculating a target opening angle of a valve corresponding to a preset target temperature according to the functional relationship between the water inlet temperature of a water supply pipeline at a user side, the water return temperature of a water return pipeline at the user side, the opening degree of the valve and the indoor temperature of the user, and adjusting the opening degree of the valve according to the relationship between the actual indoor temperature of the user and the set target temperature.
Secondly, according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user, the state of the indoor radiator is judged, and on the basis, the opening degree of the valve is adjusted, so that the adjustment reliability can be ensured to a certain extent.
And thirdly, taking the indoor actual temperature of a cell unit or users in the cell unit as a data processing collection, and under the condition that the indoor actual temperature of each user is a normal value and the difference value is small, uniformly adjusting the opening of the valves of the users in the collection to reduce the adjustment amount.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the automatic control method for a household heating valve according to the present invention;
FIG. 2 is a schematic diagram of another embodiment of the automatic control method for a household heating valve according to the present invention;
FIG. 3 is a schematic diagram of an automatic control method for a household heating valve according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of an automatic control of a household heating valve according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of an automatic control method for a household heating valve according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of an automatic control method for a household heating valve according to another embodiment of the present invention;
FIG. 7 is a schematic view of an embodiment of the automatic control device for a household heating valve according to the present invention;
FIG. 8 is a schematic view of one embodiment of a valve angle adjustment module of the present invention;
FIG. 9 is a schematic view of another embodiment of the automatic control device for a household heating valve of the present invention;
FIG. 10 is a schematic view of an automatic control device for a household heating valve according to another embodiment of the present invention;
FIG. 11 is a schematic diagram of one embodiment of a variance calculation module of the present invention;
fig. 12 is a schematic diagram of an embodiment of the automatic control system for the household heating valve according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of an embodiment of the automatic control method for the household heating valve of the present invention. Alternatively, this embodiment may be implemented by the automatic control device of the household heating valve of the present invention. Wherein:
and 11, receiving the actual water inlet temperature of the water supply pipeline at the user side uploaded by the first temperature sensor, the actual water return temperature of the water return pipeline at the user side uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the opening degree sensor.
in an embodiment of the present invention, the target temperature is a numerical value, and the target opening angle of the valve corresponding to the preset target temperature is a numerical value;
in another embodiment of the present invention, the target temperature is a numerical range, and the preset target opening angle of the valve corresponding to the target temperature is an angle range value;
and step 13, determining the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sending a valve opening adjusting instruction to the valve controller.
In an embodiment of the present invention, the target temperature is a value range, as shown in fig. 2, in step 13, the step of determining the size of the opening of the valve according to the difference between the actual indoor temperature and the preset target temperature may include:
and 135, taking an endpoint value with a small difference value between the actual indoor temperature of the user and the two endpoint values of the target temperature interval as a target temperature, taking a valve angle corresponding to the target temperature as a target opening angle of the valve, calculating the difference value between the current opening angle of the valve and the target opening angle of the valve, and adjusting the difference value to the target opening angle of the valve.
In an embodiment of the present invention, the target temperature is a numerical value, as shown in fig. 3, in step 13, the step of determining the size of the opening of the valve according to the difference between the actual indoor temperature and the preset target temperature may include:
and step 13b, when the difference value between the indoor actual temperature and the preset target temperature is not greater than a first threshold value, calculating the difference value between the current valve opening angle and the target valve opening angle, and adjusting to the target valve opening angle.
Fig. 4 is a schematic diagram of another embodiment of the automatic control method for the household heating valve according to the present invention.
And 21, receiving the actual water inlet temperature of the water supply pipeline at the user side uploaded by the first temperature sensor, the actual water return temperature of the water return pipeline at the user side uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the opening degree sensor.
And step 22, calculating the currently measured actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the corresponding user indoor temperature of the valve opening by using the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the user indoor temperature.
The system comprises a plurality of groups of water supply pipeline inlet temperature measuring devices, a plurality of groups of water return pipeline return temperature measuring devices, a plurality of groups of valve opening size measuring devices, a plurality of groups of data samples of water supply pipeline inlet temperature measuring devices, a plurality of groups of user water return pipeline return temperature measuring devices, a plurality of groups of valve opening size measuring devices and indoor temperature measuring devices, and a plurality of curve functions of the user water supply pipeline inlet temperature measuring devices, the user water return pipeline return temperature measuring devices, the valve opening.
According to the functional relation, the measured actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline at the user side and the current valve opening degree are substituted, and the indoor temperature of the current user can be calculated.
And step 23, judging the state of the indoor radiator according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user.
In an embodiment of the present invention, a difference between the indoor temperature of the user and the actual indoor temperature of the user is calculated and compared with a first threshold, when the difference between the indoor temperature of the user and the actual indoor temperature of the user is greater than the first threshold, it is determined that the indoor radiator may malfunction, when the difference between the indoor temperature of the user and the actual indoor temperature of the user is not greater than the first threshold, it is determined that the indoor radiator is in a normal state, and step 14 is performed.
and 25, determining the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sending a valve opening adjusting instruction to the valve controller.
Fig. 5 is a schematic diagram illustrating another embodiment of the automatic control method for the household heating valve. Wherein:
and step 31, receiving the indoor actual temperatures of the users uploaded by the indoor temperature sensors at a preset frequency, and taking the indoor actual temperatures of all the users in a certain geographical range as a data processing set.
In an embodiment of the present invention, the certain geographical range may be a cell unit, or a plurality of users adjacent to each other in a cell unit, and since the geographical intervals of a cell unit or a plurality of users in a cell unit are close, the indoor temperature difference is not too large, and in order to reduce the adjustment of the valve to a certain extent, the unified adjustment of the set of users with smaller indoor temperature difference is selected.
And 32, rejecting abnormal values in the indoor actual temperature data processing set.
In one embodiment of the present invention, fig. 6 shows a process for eliminating outliers in the indoor actual temperature data processing set, wherein:
in one embodiment of the present invention, the step 34 may include:
step 341, comparing the variance value with the fourth threshold value, and when the variance value is greater than the fourth threshold value, individually adjusting the valve opening of each user, where the adjustment manner is as shown in embodiment 2 shown in fig. 2.
Step 342, when the variance value is not greater than the fourth threshold value, uniformly adjusting the valves of all users corresponding to the new data processing set, and adjusting according to the difference between the average indoor actual temperature and the target temperature of all users, wherein the adjustment mode is as in embodiment 1 shown in fig. 1.
Fig. 7 is a schematic diagram of an embodiment of the automatic control device for the household heating valve of the present invention. The system comprises a receiving module 41, a valve target opening angle inquiring module 42 and a valve angle adjusting module 43. Wherein:
the receiving module 41 is configured to receive an actual water inlet temperature of the user-side water supply pipeline uploaded by the first temperature sensor, an actual water return temperature of the user-side water return pipeline uploaded by the second temperature sensor, an actual indoor temperature of the user uploaded by the indoor temperature sensor, and an opening degree of the valve uploaded by the valve opening sensor.
The valve target opening angle query module 42 is configured to calculate a valve target opening angle corresponding to a preset target temperature under the conditions of the actual water inlet temperature of the water supply pipeline at the current user side and the actual water return temperature of the water return pipeline at the user side by using a functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side, the valve opening size and the indoor temperature of the user.
The valve angle adjusting module 43 determines the opening of the valve according to the difference between the indoor actual temperature and the preset target temperature, and sends a valve opening adjusting instruction to the valve controller.
FIG. 8 is a schematic diagram of a valve angle adjustment module in accordance with an embodiment of the present invention. The valve angle adjusting module 43 in the embodiment of fig. 8 may include a first calculating unit 431 and a first instruction issuing unit 432, wherein:
the first calculating unit 431 is configured to calculate a difference between an indoor actual temperature and a preset target temperature, and compare the difference with a first threshold;
the first instruction issuing unit 432 is configured to issue an instruction that the opening degree of the valve should be the maximum opening angle when a difference between the indoor actual temperature and the preset target temperature is greater than a first threshold, and issue an instruction that the opening degree of the valve should be the target opening angle when the difference between the indoor actual temperature and the preset target temperature is not greater than the first threshold.
Optionally, the valve angle adjusting module further includes a first determining unit 433, in this embodiment, the preset target temperature is a temperature interval, where:
the first judging unit 433 is configured to judge whether an indoor actual temperature is within the target temperature range;
the first calculating unit 431 is configured to calculate a difference between the indoor actual temperature of the user and a preset target temperature interval when the indoor actual temperature is not within the target temperature range, and compare a smaller difference with a first threshold;
the first instruction issuing unit 432 is configured to not make an adjustment instruction when determining whether the indoor actual temperature is within the target temperature range; when the smaller difference is larger than a first threshold value, determining that the opening degree of the valve is the maximum opening angle; and when the small difference is not greater than the first threshold value, taking an endpoint value with a small difference between the actual indoor temperature of the user and two endpoint values of the target temperature interval as the target temperature, taking the valve angle corresponding to the target temperature as the target opening angle of the valve, and issuing an instruction that the opening degree of the valve is the target opening angle of the valve.
Fig. 9 is a schematic view of another embodiment of the automatic control device for the household heating valve of the present invention. Compared with the embodiment shown in fig. 7, in the embodiment shown in fig. 9, in addition to the receiving module 41, the valve target opening angle inquiring module 42, the valve angle adjusting module 43, an indoor temperature inquiring module 44 and a radiator state detecting module 45 are included. Wherein:
and the indoor temperature query module 44 is configured to calculate the currently measured actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the indoor temperature of the user corresponding to the opening of the valve by using the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the indoor temperature of the user.
The radiator state detection module 45 is configured to determine an indoor radiator state according to a difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user.
Fig. 10 is a schematic diagram of another embodiment of the automatic control device for a household heating valve of the present invention, which includes a bad value elimination module 46, a variance calculation module 47, and a valve opening mode selection module 48. The receiving module 41 is configured to receive the indoor actual temperatures of the users uploaded by the plurality of indoor temperature sensors at a predetermined frequency, and use the indoor actual temperatures of all the users in a certain geographic range as a data processing set. Wherein:
and the bad value eliminating module 46 is used for eliminating abnormal values in the indoor actual temperature data processing set.
And the variance calculating module 47 is configured to use the remaining value after the bad value is removed from the data processing set as a new data processing set, and calculate a mean value and a variance of the data processing set.
And the valve opening mode selection module 48 is configured to compare the variance value with a fourth threshold value, individually adjust the valve opening of each user when the variance value is greater than the fourth threshold value, uniformly adjust the valves of all the users corresponding to the new data processing set when the variance value is not greater than the fourth threshold value, and adjust the valves according to the difference between the average indoor actual temperature of all the users and the target temperature.
FIG. 11 is a diagram of variance calculation module 47 in accordance with an embodiment of the present invention. The variance calculating module 47 in the embodiment of fig. 10 may include a mean calculating unit 471, a difference calculating unit 472, and a first instruction issuing unit 432, wherein:
the average value calculating unit 471 is used for calculating the average value of the indoor actual temperatures of all the users in the certain geographic range;
a difference value calculating unit 472, configured to calculate a difference value between the indoor actual temperature of each user in the certain geographic range and the average value;
and an instruction issuing unit 473, configured to reject the actual temperature value of the user when it is determined that the difference is greater than the third threshold, and otherwise, retain the actual temperature value.
Fig. 12 is a schematic diagram of an embodiment of an automatic control system for a household heating valve according to the present invention. The household heating valve automatic control system comprises a first temperature sensor 1, a second temperature sensor 2, an indoor temperature sensor 3, a valve opening sensor 4, a valve controller 5 and a household heating valve automatic control device 6. The household heating valve automatic control device is the household heating valve automatic control device according to any one of the embodiments in fig. 7-11.
The first temperature sensor 1 is used for measuring the actual inlet water temperature of a water supply pipeline at a user side;
the second temperature sensor 2 is used for measuring the actual return water temperature of the water return pipeline at the user side;
the indoor temperature sensor 3 is used for measuring the indoor actual temperature of the user;
and the valve opening sensor 4 is used for acquiring the valve opening size uploaded by the valve opening sensor.
And the valve controller 5 is used for adjusting the opening of the valve.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein in view of the foregoing description.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disk, or the like.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A household heating valve automatic control method is characterized by comprising the following steps:
receiving the actual water inlet temperature of a water supply pipeline at the user side uploaded by the first temperature sensor, the actual water return temperature of a water return pipeline at the user side uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the opening degree sensor;
calculating the actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the user indoor temperature corresponding to the valve opening degree, which are measured currently, by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the valve opening degree and the user indoor temperature;
judging the state of the indoor radiator according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user;
if the indoor radiator is in a normal state, calculating a valve target opening angle corresponding to a preset target temperature under the conditions of the current actual water inlet temperature of the water supply pipeline at the user side and the actual water return temperature of the water return pipeline at the user side by using the functional relation between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the opening degree of the valve and the indoor temperature of the user;
determining the opening size of a valve according to the difference value between the indoor actual temperature and a preset target temperature, and sending a valve opening adjusting instruction to a valve controller;
receiving user indoor actual temperatures uploaded by a plurality of indoor temperature sensors at a preset frequency, and taking the indoor actual temperatures of all users in a certain geographical range as a data processing collection set;
rejecting abnormal values in the indoor actual temperature data processing set;
taking the residual value after the bad value is removed from the data processing collection as a new data processing collection, and calculating the mean value and the variance of the data processing collection;
and comparing the variance value with a fourth threshold value, determining a valve opening adjusting mode, independently adjusting the valve opening of each user when the variance value is larger than the fourth threshold value, uniformly adjusting the valves of all the corresponding users in the new data processing set when the variance value is not larger than the fourth threshold value, and adjusting according to the average indoor actual temperature and the target temperature difference of all the users.
2. The method for automatically controlling a household heating valve according to claim 1, comprising:
the target temperature is a value interval or a value;
when the target temperature is a numerical range, the step of determining the size of the opening of the valve according to the difference value between the indoor actual temperature and the preset target temperature comprises the following steps:
judging whether the indoor actual temperature is within the target temperature range, and if the indoor actual temperature is within the target temperature range, adjusting the opening of the valve is not needed;
if the indoor actual temperature is not within the target temperature range, calculating the difference value between the indoor actual temperature of the user and the two endpoint values of a preset target temperature interval, taking a smaller difference value, if the smaller difference value is larger than a first threshold value, determining that the opening degree of the valve is the maximum opening angle, otherwise, taking the endpoint value with the smaller difference value between the indoor actual temperature of the user and the two endpoint values of the target temperature interval as the target temperature, taking the valve angle corresponding to the target temperature as the target opening angle of the valve, calculating the difference value between the current opening angle of the valve and the target opening angle of the valve, and adjusting the difference value to the target opening angle of the valve;
when the target temperature is a numerical value, the step of determining the size of the opening of the valve according to the difference value between the indoor actual temperature and the preset target temperature comprises the following steps:
when the difference value between the indoor actual temperature and the preset target temperature is larger than a first threshold value, determining that the opening degree of the valve is the maximum opening angle;
and when the difference value between the indoor actual temperature and the preset target temperature is not greater than a first threshold value, calculating the difference value between the current valve opening angle and the target valve opening angle, and adjusting to the target valve opening angle.
3. The automatic control method for a household heating valve according to claim 2,
the process of eliminating the abnormal value in the indoor actual temperature data processing set comprises the following steps:
calculating the average value of the indoor actual temperatures of all the users in the certain geographical range;
calculating the difference value between the indoor actual temperature of each user in the certain geographical range and the average value;
if the difference is larger than a third threshold value, the actual temperature value of the user is considered as a bad value, the user is removed, and if the difference is not larger than the third threshold value, the actual temperature of the user is considered as a normal value, and the user is reserved.
4. An automatic control device for a household heating valve is characterized by comprising a first temperature sensor, a second temperature sensor, an indoor temperature sensor, a valve opening sensor, a valve controller and an automatic control device for the household heating valve,
the first temperature sensor is used for measuring the actual inlet water temperature of the water supply pipeline at the user side;
the second temperature sensor is used for actual return water temperature of the user side return water pipeline;
the indoor temperature sensor is used for detecting the indoor actual temperature of a user;
the valve opening sensor is used for acquiring the size of the valve opening uploaded by the valve opening sensor;
the valve controller is used for adjusting the opening degree of the valve;
still include receiving module, valve target opening angle inquiry module, valve angle adjusting module, wherein:
the receiving module is used for receiving the actual water inlet temperature of the user-side water supply pipeline uploaded by the first temperature sensor, the actual water return temperature of the user-side water return pipeline uploaded by the second temperature sensor, the actual indoor temperature of the user uploaded by the indoor temperature sensor and the opening degree of the valve uploaded by the valve opening sensor;
the valve target opening angle query module is used for calculating a valve target opening angle corresponding to a preset target temperature under the conditions of the current actual water inlet temperature of the water supply pipeline at the user side and the actual water return temperature of the water return pipeline at the user side by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side, the opening degree of the valve and the indoor temperature of a user;
the valve angle adjusting module determines the opening size of the valve according to the difference value between the indoor actual temperature and the preset target temperature, and sends a valve opening adjusting instruction to the valve controller;
the system further comprises a bad value eliminating module, a variance calculating module and a valve opening mode selecting module, wherein the receiving module is used for receiving the indoor actual temperatures of users uploaded by the indoor temperature sensors at a preset frequency and taking the indoor actual temperatures of all the users in a certain geographical range as a data processing collection, and the receiving module is used for receiving the indoor actual temperatures of the users uploaded by the indoor temperature sensors at the preset frequency and taking the indoor actual temperatures of all the users in the certain geographical range as:
the bad value eliminating module is used for eliminating abnormal values in the indoor actual temperature data processing set;
the variance calculation module is used for taking the residual value after the bad value is removed from the data processing collection set as a new data processing collection set and calculating the mean value and the variance of the data processing collection set;
the valve opening mode selection module is used for comparing the variance value with a fourth threshold value, independently adjusting the valve opening of each user when the variance value is larger than the fourth threshold value, uniformly adjusting the valves of all the corresponding users in the new data processing set when the variance value is not larger than the fourth threshold value, and adjusting according to the average indoor actual temperature and the target temperature difference of all the users.
5. The automatic control device for a household heating valve according to claim 4, further comprising an indoor temperature query module and a radiator state detection module, wherein:
the indoor temperature query module is used for calculating the currently measured actual water inlet temperature of the water supply pipeline at the user side, the actual water return temperature of the water return pipeline and the user indoor temperature corresponding to the valve opening by utilizing the functional relationship between the water inlet temperature of the water supply pipeline at the user side, the water return temperature of the water return pipeline at the user side and the valve opening and the user indoor temperature;
and the radiator state detection module is used for judging the indoor radiator state according to the difference between the calculated indoor temperature of the user and the received indoor actual temperature of the user.
6. The automatic control device for a household heating valve according to claim 5,
the variance calculation module may include a mean calculation unit, a difference calculation unit, and a first instruction issue unit, wherein:
the average value calculating unit is used for calculating the average value of the indoor actual temperatures of all the users in the certain geographic range;
a difference value calculating unit, configured to calculate a difference value between the indoor actual temperature of each user in the certain geographic range and the average value;
and the instruction issuing unit is used for rejecting the actual temperature value of the user when the difference value is judged to be larger than the third threshold value, and otherwise, reserving the actual temperature value.
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| CN111023258B (en) * | 2019-12-31 | 2021-08-24 | 山东普赛通信科技股份有限公司 | Cluster system and method for adjusting opening degree of heating valve of user side |
| CN112963899B (en) * | 2021-04-08 | 2023-05-05 | 中嘉能源管理（北京）有限公司 | Precise control method and system for multi-valve multi-mode adjustment |
| CN113864862A (en) * | 2021-09-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Heating control method and device and wall-hanging furnace system |
| CN113776123B (en) * | 2021-10-26 | 2022-08-30 | 烟台清泉实业有限公司 | Household heating indoor temperature adjusting valve control system and method |
| CN114484555B (en) * | 2022-01-11 | 2023-05-12 | 烽台科技（北京）有限公司 | Heat supply temperature recommendation method and device, electronic equipment and readable storage medium |
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| CN104390253B (en) * | 2014-10-27 | 2018-09-11 | 朱杰 | The control method of central heating system based on flow independent type radiator end |
| CN106895479B (en) * | 2017-03-07 | 2018-07-20 | 珠海格力电器股份有限公司 | User side heating state detection method, device and system |
| CN207317079U (en) * | 2018-01-08 | 2018-05-04 | 烟台清泉实业有限公司 | A kind of household heating wisdom control system |
| CN108954626A (en) * | 2018-09-25 | 2018-12-07 | 深圳中科蓝天科技有限公司 | A kind of building cooling supply heating system and its control method |
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