CN111365756A - Heating controller and hot water ground heating and hot water fan coil combined heating system - Google Patents
Heating controller and hot water ground heating and hot water fan coil combined heating system Download PDFInfo
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- CN111365756A CN111365756A CN202010212197.0A CN202010212197A CN111365756A CN 111365756 A CN111365756 A CN 111365756A CN 202010212197 A CN202010212197 A CN 202010212197A CN 111365756 A CN111365756 A CN 111365756A
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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
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Thermal Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
A heating controller and a combined heating system of hot water ground heating and a hot water fan coil, wherein the heating controller comprises: the fan control system comprises a valve regulator, a fan regulator, a setting comparator, a state converter and a state actuator, wherein the valve regulator is respectively connected with the fan regulator, the setting comparator, the state converter and the state actuator, the fan regulator is respectively connected with the setting comparator, the state converter and the state actuator, and the state converter is respectively connected with the setting comparator and the state actuator. According to the heating controller and the hot water ground heating and hot water fan coil combined heating system, a good indoor heating control scheme is provided, so that the deviation of indoor temperature and a set value meets the requirement, and over-supply and under-supply are avoided; the frequent start and stop of the equipment can be avoided, and the service life of the equipment is prolonged.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a heating controller and a hot water ground heating and hot water fan coil combined heating system.
Background
The floor heating (hot water floor heating) has the advantage of not affecting the indoor decoration effect and is widely applied because the heating body is buried under the floor of a room. Because of the influence of the heating capacity of the heating element, the heat conduction capacity of the floor material and other factors, the heat supply amount of the floor heating unit area has an upper limit value. For special places such as music halls, theaters and the like, because the positions of the seat and other field cloth are not suitable for laying floor heating in a large area, the seat and other field cloth positions only depend on limited floor heating for supplying heat, the total heat supply power in the room cannot meet the requirement, a compensation heat source terminal needs to be added for supplying heat at the moment, the hot water fan coil and the hot water floor heating are commonly matched for realizing heating, but the temperature control between the hot water fan coil and the floor heating is not provided with a corresponding controller and a corresponding control system so as to meet the requirement.
Disclosure of Invention
To solve the above problems, the present invention provides a heating controller including: the fan control system comprises a valve regulator, a fan regulator, a setting comparator, a state converter and a state actuator, wherein the valve regulator is respectively connected with the fan regulator, the setting comparator, the state converter and the state actuator, the fan regulator is respectively connected with the setting comparator, the state converter and the state actuator, and the state converter is respectively connected with the setting comparator and the state actuator.
The invention also provides a combined heating system of the hot water ground heating and the hot water fan coil, which comprises: the heating system comprises a hot-water ground heating device, a hot-water fan coil, a hot-water supply pipe, a hot-water return pipe, a fan, a floor heating regulating valve, a coil two-way valve, a temperature sensor and a heating controller, wherein a first end of the hot-water ground heating device is connected with the floor heating regulating valve, a second end of the hot-water ground heating device is connected with the hot-water return pipe, a first end of the hot-water fan coil is connected with the coil two-way valve, a second end of the hot-water fan coil is connected with the hot-water return pipe, the hot-water supply pipe is respectively connected with the floor heating regulating valve and the coil two-way valve, the fan is connected with the heating controller, the floor heating regulating valve is also connected with the heating controller, the coil two-way valve is also connected with the heating controller.
According to the heating controller and the hot water ground heating and hot water fan coil combined heating system, a good indoor heating control scheme is provided, so that the deviation of indoor temperature and a set value meets the requirement, and over-supply and under-supply are avoided; the frequent start and stop of the equipment can be avoided, and the service life of the equipment is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a heating controller provided by the present invention;
FIG. 2 is a schematic diagram of a state converter in a heating controller provided by the present invention;
fig. 3 is a schematic diagram of a combined heating system of a hot water ground heating system and a hot water fan coil provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, in an embodiment of the present application, the present application provides a heating controller, including: a valve regulator 16, a fan regulator 17, a setting comparator 18, a state converter 19 and a state actuator 20, wherein the valve regulator 16 is connected to the fan regulator 17, the setting comparator 18, the state converter 19 and the state actuator 20, respectively, the fan regulator 17 is connected to the setting comparator 18, the state converter 19 and the state actuator 20, respectively, and the state converter 19 is connected to the setting comparator 18 and the state actuator 20, respectively.
Referring to fig. 3, in an embodiment of the present application, the present application further provides a combined heating system for hot water ground heating and a hot water fan coil, including: a hot water ground heating 2, a hot water fan coil 3, a hot water supply pipe 4, a hot water return pipe 5, a fan 7, a ground heating regulating valve 10, a coil two-way valve 11, a temperature sensor 12 and a heating controller 15, the first end of the hot water ground heating 2 is connected with the ground heating adjusting valve 10, the second end is connected with the hot water return pipe 5, the first end of the hot water fan coil 3 is connected with the coil two-way valve 11, the second end is connected with the hot water return pipe 5, the hot water supply pipe 4 is respectively connected with the floor heating regulating valve 10 and the coil pipe two-way valve 11, the fan 7 is connected with the heating controller 15, the floor heating regulating valve 10 is also connected with the heating controller 15, the coil two-way valve 11 is further connected to the heating controller 15, and the temperature sensor 12 is connected to the heating controller 15, wherein the heating controller 15 includes the heating controller as shown in fig. 1.
The heating controller and the operation principle of the hot water floor heating and hot water fan coil combined heating system in the present application will be described in detail below.
Referring to fig. 1-2, in the embodiment of the present application, the input and output signals of the heating controller are specifically as follows:
temperature set value 21: a set value indicating a target value of the room temperature, which is a set value of the heating controller 15;
actual temperature value 22: from the temperature sensor 12, an actual value representing the room temperature;
allowable temperature difference value 23: a set value of the heating controller 15, which indicates an allowable deviation value of temperature control of the heating controller 15;
the opening degree 24 of the air-conditioning valve is a set value of the heating controller 15, and means that when the heating demand is reduced, the lower limit 42 of the output air conditioner of the air conditioner is True, namely when the air blower 7 is in the lower operation limit, and the heating demand is continuously reduced, the opening degree of the floor heating regulating valve 10 is gradually reduced, when the opening degree of the floor heating regulating valve 10 is smaller than the opening degree 24 of the air-conditioning valve, the hot water air blower coil 3 can be closed, and then the hot water heating 2 can meet the heating demand when running alone;
time T25: and the state transition delay time is represented, when the state transition condition is met, the state transition is carried out only after the time of the time T25 is reached, so that the frequent startup and shutdown of the equipment is reduced, if the state transition condition is met, but the timing time does not reach the time T25, the state transition is not carried out, and when the condition is not met, the timing time is cleared.
Floor heating valve opening 26: the opening degree of the floor heating adjusting valve 10 is controlled, if the opening degree 26 of the floor heating valve is equal to 0%, the floor heating adjusting valve 10 is fully closed, and if the opening degree 26 of the floor heating valve is equal to 100%, the floor heating adjusting valve 10 is fully opened;
frequency given 27: the control signal is sent to the fan 7 and used for controlling the rotating speed of the fan 7, if the frequency is given to be 27% or equal to 100%, the rotating speed of the fan 7 is represented as the rated rotating speed, and if the frequency is given to be 27% or equal to 0%, the rotating speed of the fan 7 is represented as zero;
the fan is started 28: controlling the start and stop of the fan 7, starting the fan 7 if the fan starting 28 is True, and stopping the fan 7 if the fan starting 28 is False;
coil valve control 29: the coil pipe two-way valve 11 is used for controlling the on-off of the coil pipe two-way valve 11, if the coil pipe valve control 29 is True, the coil pipe two-way valve 11 is opened, and if the coil pipe valve control 29 is False, the coil pipe two-way valve 11 is closed;
temperature setting deviation 30: when ((lower limit instructions (32) And (38)) = False And (upper limit instructions (33) And (39)) } False) are equal to True, the valve regulator (16) And the fan regulator (17) perform control operation by using the temperature setting deviation 30 as an independent variable, the control operation can be a PID (proportion integration differentiation) control operation algorithm, And the result is sent to the floor heating valve opening 26 And the frequency setting 27;
state value 31: output to the state executor 20, control the state executor 20 to execute relevant control;
valve regulator lower limit command 32: the valve regulator 16 inputs a signal, and if the valve regulator lower limit instruction 32 is True, the floor heating valve opening 26 output by the valve regulator 16 is assigned to a valve regulator lower limit value 34 (i.e., 0%);
valve regulator upper limit command 33: the valve regulator 16 inputs a signal, and if the valve regulator upper limit instruction 33 is True, the floor heating valve opening 26 output by the valve regulator 16 is assigned to a valve regulator upper limit value 35 (i.e., 100%);
valve regulator lower limit value 34: the valve regulator 16 inputs a signal, which is 0%;
valve regulator upper limit 35: the valve regulator 16 inputs a signal, which is 100%;
valve regulator lower limit 36: the valve regulator 16 outputs a signal that when the warm-up valve opening 26 is equal to the valve regulator lower limit value 34, the valve regulator lower limit 36 is True; when floor heating valve opening 26 is not equal to valve regulator lower limit 34, valve regulator lower limit 36 is False;
upper valve regulator limit 37: the valve regulator 16 outputs a signal that when the warm-up valve opening 26 is equal to the valve regulator upper limit value 35, the valve regulator upper limit 37 is True; when floor heating valve opening 26 is not equal to valve regulator upper limit value 35, valve regulator upper limit 37 is False;
fan governor lower limit command 38: the fan governor 17 inputs a signal, and if the fan governor lower limit command 38 is True, the output frequency setting 27 of the fan governor 17 is assigned to be the fan governor lower limit value 40;
fan governor upper limit instruction 39: the fan governor 17 inputs a signal, and if the fan governor upper limit command 39 is True, the output frequency of the fan governor 17 is given 27 as a fan governor upper limit value 41 (i.e., 100%);
fan governor lower limit 40: fan regulator 17 inputs signals;
fan governor upper limit value 41: the fan regulator 17 inputs a signal, which is 100%;
lower fan governor limit 42: the fan governor 17 outputs a signal that when the frequency setpoint 27 equals the fan governor lower limit value 40, the fan governor lower limit 42 is True; when the frequency setpoint 27 is not equal to the fan governor lower limit value 40, the fan governor lower limit 42 is False;
fan governor upper limit 43: the fan governor 17 outputs a signal that when the frequency setpoint 27 equals the fan governor upper limit value 41, the fan governor upper limit 43 is True; when the frequency setpoint 27 is not equal to the fan governor upper limit value 41, the fan governor upper limit 43 is False.
Referring to fig. 1-2, in the embodiment of the present application, the program state of the state converter 19 can be only one of the following three types: the output quantity state value 31 of the state converter 19 also has the ranges of "the first state 52", "the second state 53", and "the third state 54" in the first state 52, the second state 53, and the third state 54. The first state 52 and the second state 53 can be switched in forward and reverse directions, the second state 53 and the third state 54 can be switched in forward and reverse directions, and the first state 52 and the third state 54 cannot be directly switched. The state transition needs to satisfy a certain transition condition, when the state transition condition is satisfied, and the state transition is only achieved after the time of the time T25 is reached, if the state transition condition satisfies the timing time and does not reach the time T25, the state transition is not performed, and when the condition is not satisfied, the timing time is cleared.
Meaning of the first state 52: controlling the hot water ground heating 2 to independently regulate heating;
meaning of the second state 53: controlling a hot water fan coil 3 to supply heat at a low limit, and regulating a hot water ground heating system 2 to supply heat;
meaning of third state 54: the hot water fan coil 3 is controlled to regulate heating, and the hot water ground heating 2 is controlled to realize high-limit heating.
The state transition conditions of the state converter 19 are:
condition 55 for transition of the first state 52 to the second state 53: (upper valve regulator limit 37 True) And ad (temperature setting deviation 30> allowable temperature difference value 23)) -True And held for a time greater than time T25;
condition 56 of the second state 53 transitioning to the first state 52: (floor heating valve opening 26< air-off valve opening 24)) -True and held for a time greater than time T25;
condition 57 of transition of the second state 53 to the third state 54: (upper valve regulator limit 37 True) And ad (temperature setting deviation 30> allowable temperature difference value 23)) -True And held for a time greater than time T25;
condition 58 of the third state 54 transitioning to the second state 53: (fan regulator lower limit 42 True) And (temperature setting deviation 30< -allowable temperature difference value 23)) -True And held for a time greater than time T25.
The operation of the state converter 19 is as follows:
in the first state 52, heating is preferentially provided by the hot-water floor heating 2, when the floor heating regulating valve 10 of the hot-water floor heating 2 is already opened to the maximum (at this time, the upper limit 37 of the valve regulator is True); if the temperature setting deviation is larger than the temperature difference (the temperature setting deviation is 30> the allowable temperature difference value 23), the hot water fan coil 3 needs to work to supplement heat, and the state is switched to the second state after a delay T, so that the frequent start and stop of the equipment can be reduced.
In the second state 53, the hot water fan coil 3 is used for low-limit heating, and the hot water ground heating 2 is used for heating preferentially, and in the second state 53, if the heating demand is reduced, the hot water fan coil 3 is not stopped immediately but the hot water ground heating 2 is used for regulating heating, so that the frequent start and stop of equipment can be reduced; when in the second state 53, if the heating demand continues to be reduced, when the heating of the hot water ground heating 2 can be solely undertaken the heating ((the floor heating valve opening 26< the fan closing valve opening 24) is True), the first state 52 is switched to and the hot water fan coil 3 is stopped, the heating of the hot water ground heating 2 can be preferentially carried out, when in the second state 53, if the floor heating regulating valve 10 of the hot water ground heating 2 is opened to the maximum again (at this time, the upper limit 37 of the valve regulator is True), the temperature setting deviation exceeds the temperature difference again (the temperature setting deviation 30> the allowable temperature difference value 23), at this time, the low limit heating of the hot water fan coil 3 cannot meet the requirement, the third state is entered, and at this time, the hot water fan coil 3 adjusts the heating according to the heating demand.
The state executor 20 receives the output state value 31 of the state converter 19 and performs a logic operation according to the following truth table:
referring to fig. 3, in the embodiment of the present application, the components of the combined heating system with hot water and hot water fan coil are as follows:
a fan 7: driven by an inverter motor, and is started when the signal fan start 28 of the heating controller 15 is True and stopped when the signal fan start is False. The output frequency of the heating controller 15 is given 27 to control the rotation speed of the fan 7, when the frequency is given 27 as 100%, the rotation speed of the fan 7 is indicated as the rated rotation speed, and when the frequency is given 27 as 0%, the rotation speed of the fan 7 is indicated as zero;
floor heating regulating valve 10: controlling the heat supply of the hot water ground heating 2, wherein the opening degree of the hot water ground heating is controlled by a signal of an output ground heating valve opening degree 26 of the heating controller 15, when the ground heating valve opening degree 26 is 0%, the ground heating adjusting valve 10 is fully closed, and when the ground heating valve opening degree 26 is 100%, the ground heating adjusting valve 10 is fully opened;
coil pipe two-way valve 11: when the hot water fan coil 3 works, the coil two-way valve 11 is opened, when the hot water fan coil 3 stops, the coil two-way valve 11 is closed and is controlled by a coil valve control 29 signal of the heating controller 15, when the coil valve control 29 is True, the coil two-way valve 11 is opened, and when the coil valve control 29 is False, the coil two-way valve 11 is closed;
temperature sensor 12: the room temperature is measured and sent to the heating controller 15, indicating the actual temperature.
Referring to fig. 3, in the embodiment of the present application, the operation principle of the combined heating system of hot water ground heating and hot water fan coil is as follows:
the heating load of the hot water ground heating 2 is completed by controlling the opening degree of the ground heating regulating valve 10. When the hot water fan coil 3 works, the coil two-way valve 11 is opened, the fan 7 operates at the lowest rotating speed, and the heat supply of the hot water fan coil 3 is completed by adjusting the rotating speed of the hot water fan coil fan 7; when the coil of the hot water fan stops, the coil two-way valve 11 is turned off, and the fan 7 stops.
According to the heating controller and the hot water ground heating and hot water fan coil combined heating system, a good indoor heating control scheme is provided, so that the deviation of indoor temperature and a set value meets the requirement, and over-supply and under-supply are avoided; the frequent start and stop of the equipment can be avoided, and the service life of the equipment is prolonged.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (2)
1. A heating controller, comprising: the fan control system comprises a valve regulator (16), a fan regulator (17), a setting comparator (18), a state converter (19) and a state actuator (20), wherein the valve regulator (16) is respectively connected with the fan regulator (17), the setting comparator (18), the state converter (19) and the state actuator (20), the fan regulator (17) is respectively connected with the setting comparator (18), the state converter (19) and the state actuator (20), and the state converter (19) is respectively connected with the setting comparator (18) and the state actuator (20).
2. The utility model provides a heating system is united with hot-water fan coil to hot-water heating ground, its characterized in that includes: the floor heating system comprises a hot water floor heating (2), a hot water fan coil (3), a hot water supply pipe (4), a hot water return pipe (5), a fan (7), a floor heating regulating valve (10), a coil two-way valve (11), a temperature sensor (12) and a heating controller (15), wherein the first end of the hot water floor heating (2) is connected with the floor heating regulating valve (10), the second end of the hot water fan coil (3) is connected with the hot water return pipe (5), the first end of the hot water fan coil (3) is connected with the coil two-way valve (11), the second end of the hot water fan coil (3) is connected with the hot water return pipe (5), the hot water supply pipe (4) is respectively connected with the floor heating regulating valve (10) and the coil two-way valve (11), the fan (7) is connected with the heating controller (15), the floor heating regulating valve (10) is also connected with the heating controller (15), the coil two-way valve (11), the temperature sensor (12) is connected to the heating controller (15), wherein the heating controller (15) comprises a heating controller according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212197.0A CN111365756A (en) | 2020-03-24 | 2020-03-24 | Heating controller and hot water ground heating and hot water fan coil combined heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010212197.0A CN111365756A (en) | 2020-03-24 | 2020-03-24 | Heating controller and hot water ground heating and hot water fan coil combined heating system |
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| CN111365756A true CN111365756A (en) | 2020-07-03 |
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| CN202010212197.0A Pending CN111365756A (en) | 2020-03-24 | 2020-03-24 | Heating controller and hot water ground heating and hot water fan coil combined heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344461A (en) * | 2020-11-04 | 2021-02-09 | 青岛海信日立空调系统有限公司 | Water system air conditioner |
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| KR101265970B1 (en) * | 2013-01-29 | 2013-05-22 | 주식회사 지아이엠씨오 | Heat exchanger module for both regional or central cooling/heating and hot water for the individual household |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112344461A (en) * | 2020-11-04 | 2021-02-09 | 青岛海信日立空调系统有限公司 | Water system air conditioner |
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Application publication date: 20200703 |
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