CN104359258B - Condenser pipe box, condenser, control method and device and air conditioning unit - Google Patents
Condenser pipe box, condenser, control method and device and air conditioning unit Download PDFInfo
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- CN104359258B CN104359258B CN201410674859.0A CN201410674859A CN104359258B CN 104359258 B CN104359258 B CN 104359258B CN 201410674859 A CN201410674859 A CN 201410674859A CN 104359258 B CN104359258 B CN 104359258B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 522
- 238000010438 heat treatment Methods 0.000 claims abstract description 114
- 239000008236 heating water Substances 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 38
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The embodiment of the invention provides a condenser pipe box, a condenser, a control method and a control device and an air conditioning unit, and the condenser pipe box, the condenser, the control method and the control device are based on the structure that the condenser pipe box comprises a box body, a first water through pipe and a second water through pipe, wherein the first water through pipe and the second water through pipe are arranged on the box body; the side wall of the first water service pipe is provided with a first interface, the side wall of the second water service pipe is provided with a condenser pipe box of the second interface and a third interface, the condenser pipe box acquires the water inlet temperature and the water inlet temperature change rate, the relation between the water inlet temperature and the heating water inlet set temperature is determined, and at least two compressor systems are adjusted according to the relation between the water inlet temperature and the preset heating water inlet set temperature and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate. Therefore, the measured temperature and flow of the inlet and outlet water are the real temperature and flow of the inlet and outlet water of the condenser, and the control precision of the shell and tube air conditioning unit during heating load control is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a condenser pipe box, a condenser, a control method and a control device and an air conditioning unit.
Background
The shell-and-tube air conditioning unit adopts a shell-and-tube condenser for heat exchange. During the operation of the shell-and-tube air conditioning unit, the load control and/or the flow control can be performed by monitoring the water inlet temperature and the water outlet temperature of the shell-and-tube condenser and the water flow.
However, the inventor finds that, due to the structural limitation of the condenser tube box, the positions of the inlet and outlet water temperature and water flow detection points of the shell-and-tube condenser are different according to different actual environments of engineering installation of the shell-and-tube air conditioning unit, and some detection points are far away from the water outlet or the water inlet of the shell-and-tube condenser, so that the real temperature and flow conditions inside the shell-and-tube condenser cannot be fed back, the control precision of the shell-and-tube air conditioning unit during heating load control is low, the energy consumption of the shell-and-tube air conditioning unit is high, and the service life of the shell-and-tube air.
Disclosure of Invention
The invention aims to provide a condenser tube box, a condenser, a control method and device and an air conditioning unit, so as to reduce the energy consumption of the shell and tube type air conditioning unit and prolong the service life of the shell and tube type air conditioning unit.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
a control method is applied to an air conditioning unit, the air conditioning unit comprises a condenser and at least two compressor systems, the condenser comprises a condenser body and pipe boxes arranged at two ends of the condenser body, and the pipe boxes comprise: the box body is provided with a first water through pipe and a second water through pipe; the side wall of the first water through pipe is provided with a first interface, and the side wall of the second water through pipe is provided with a second interface and a third interface; the first interface is a condenser water inlet temperature detection interface, the second interface is a condenser water outlet temperature detection interface, and the third interface is a condenser water flow detection interface; the method comprises the following steps:
acquiring the inlet water temperature and the inlet water temperature change rate;
determining the relation between the inlet water temperature and the heating inlet water set temperature;
and adjusting the at least two compressor systems according to the relation between the water inlet temperature and the preset heating water inlet set temperature and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate.
In the above method, preferably, when the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a first preset increment, the adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate includes:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, controlling each compressor system to start in sequence.
In the above method, preferably, when the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a first preset increment, the adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate includes:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
In the above method, preferably, when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a first preset increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a second preset increment, adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature, and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate, the method includes:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, closing one compressor system every first preset time.
In the above method, preferably, when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a first preset increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a second preset increment, adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature, and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate, the method includes:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
Above-mentioned method, it is preferred, work as the temperature of intaking is greater than or equal to the heating is intake the sum of setting temperature and the second and is predetermine the increment, just the temperature of intaking is less than or equal to when the heating is intake the sum of setting temperature and the third and predetermine the increment, the basis intake the temperature and the predetermined relation of heating and intake the setting temperature to and intake the temperature rate of change and the predetermined relation of the temperature rate of change of intaking, it is right two at least compressor systems adjust and include:
the number of compressor systems that remain on is unchanged.
In the above method, preferably, when the inlet water temperature is greater than or equal to a sum of the heating inlet water set temperature and a second preset increment, and the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a third preset increment, the method further includes:
obtaining the temperature of the effluent;
and adjusting the water flow of a water pump in the air conditioner unit according to the relation between the outlet water temperature and the heating outlet water set temperature.
In the above method, preferably, when the outlet water temperature is lower than a sum of the heating outlet water set temperature and a fourth preset increment, the adjusting the water flow rate of the water pump in the air conditioning unit according to the relationship between the outlet water temperature and the heating outlet water set temperature includes:
and closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump.
In the above method, preferably, when the outlet water temperature is greater than or equal to a sum of the heating outlet water set temperature and a fourth preset increment, and the outlet water temperature is less than or equal to a sum of the heating outlet water set temperature and a fifth preset increment, the adjusting the water flow rate of the water pump in the air conditioning unit according to the relationship between the outlet water temperature and the heating outlet water set temperature includes:
and keeping the opening of a waterway valve of a water pump in the air conditioning unit unchanged so as to keep the water flow of the water pump unchanged.
In the above method, preferably, when the outlet water temperature is greater than a sum of the heating outlet water set temperature and a fifth preset increment, the adjusting the water flow rate of the water pump in the air conditioning unit according to the relationship between the outlet water temperature and the heating outlet water set temperature includes:
and opening the opening of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump.
In the above method, preferably, when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a third preset increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a sixth preset increment, adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature, and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate includes:
and shutting down one compressor system every second preset time.
In the above method, preferably, when the inlet water temperature is greater than or equal to a sum of the heating inlet water set temperature and a sixth preset increment, the adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a preset heating inlet water set temperature and a relationship between a change rate of the inlet water temperature and a preset inlet water temperature change rate includes:
closing one compressor system every third preset time; the third preset time is shorter than the second preset time.
The utility model provides a controlling means, is applied to air conditioning unit, air conditioning unit includes condenser and two at least compressor system, the condenser includes the condenser body and sets up the pipe case at condenser body both ends, pipe case includes: the box body is provided with a first water through pipe and a second water through pipe; the side wall of the first water through pipe is provided with a first interface, and the side wall of the second water through pipe is provided with a second interface and a third interface; the first interface is a condenser water inlet temperature detection interface, the second interface is a condenser water outlet temperature detection interface, and the third interface is a condenser water flow detection interface; the device comprises:
the first acquisition module is used for acquiring the inlet water temperature and the inlet water temperature change rate;
the determining module is used for determining the relation between the inlet water temperature and the heating inlet water set temperature;
the first adjusting module is used for adjusting the at least two compressor systems according to the relation between the water inlet temperature and the preset heating water inlet temperature setting and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate.
The above apparatus, preferably, the first adjusting module includes:
the first adjusting unit is used for determining that the water inlet temperature is smaller than or equal to the heating water inlet set temperature and the sum of the first preset increment, and if the water inlet temperature change rate is larger than or equal to the preset water inlet temperature change rate, each compressor system is controlled to be started in sequence.
The above apparatus, preferably, the first adjusting module includes:
the second regulating unit is used for working as the determination module is confirmed the temperature of intaking is greater than heat and intake the sum of temperature setting and first default increment, just the temperature of intaking is less than heat and intake when setting the sum of temperature setting and the second default increment, if the temperature rate of change of intaking is less than predetermined intake temperature rate of change, then every first predetermined duration, close a compressor system.
The above apparatus, preferably, the first adjusting module includes:
and the third adjusting unit is used for determining that the water inlet temperature is greater than the sum of the heating water inlet set temperature and the third preset increment, and the water inlet temperature is less than the sum of the heating water inlet set temperature and the sixth preset increment, and one compressor system is closed every second preset time.
The above apparatus, preferably, the first adjusting module includes:
the fourth adjusting unit is used for closing a compressor system every third preset time when the determining module determines that the inlet water temperature is greater than or equal to the sum of the heating inlet water set temperature and a sixth preset increment; the third preset time is shorter than the second preset time.
The above apparatus, preferably, further comprises:
the second acquisition module is used for acquiring the water outlet temperature when the water inlet temperature is greater than or equal to the sum of the heating water inlet set temperature and a second preset increment and the water inlet temperature is less than or equal to the sum of the heating water inlet set temperature and a third preset increment;
and the second adjusting module is used for adjusting the water flow of a water pump in the air conditioner unit according to the relation between the water outlet temperature and the heating water outlet set temperature.
The above apparatus, preferably, the second adjusting module includes:
and the fifth adjusting unit is used for closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump when the water outlet temperature is less than the sum of the heating water outlet set temperature and a fourth preset increment.
The above apparatus, preferably, the second adjusting module includes:
and the sixth adjusting unit is used for increasing the opening degree of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump when the outlet water temperature is greater than the sum of the heating outlet water set temperature and a fifth preset increment.
An air conditioning assembly comprising a control device as defined in any of the preceding claims, a condenser and at least two compressor systems, the condenser comprising a condenser body and a tube box arranged at both ends of the condenser body, the tube box comprising: the box body is provided with a first water through pipe and a second water through pipe; the side wall of the first water passing pipe is provided with a first connector, and the side wall of the second water passing pipe is provided with a second connector and a third connector.
A condenser tube box comprising: the box body is provided with a first water through pipe and a second water through pipe; the side wall of the first water passing pipe is provided with a first connector, and the side wall of the second water passing pipe is provided with a second connector and a third connector.
A condenser includes a condenser body and tube boxes provided at both ends of the condenser body, the tube boxes including: the box body is provided with a first water through pipe and a second water through pipe; the side wall of the first water passing pipe is provided with a first connector, and the side wall of the second water passing pipe is provided with a second connector and a third connector.
According to the scheme, the condenser pipe box, the condenser, the control method and the control device as well as the air conditioning unit are based on the technical scheme that the condenser pipe box, the condenser, the control device and the air conditioning unit comprise a box body, and a first water through pipe and a second water through pipe which are arranged on the box body; the side wall of the first water through pipe is provided with a first interface, and the side wall of the second water through pipe is provided with a second interface and a third interface; wherein first interface is condenser temperature detection interface that intakes, the second interface is condenser temperature detection interface that goes out, the third interface acquires temperature of intaking and intake temperature rate of change for condenser water flow detection interface's condenser pipe case, confirms the temperature of intaking and heats the relation that intake set up the temperature, the foundation intake temperature and the predetermined relation of setting up the temperature of heating to and intake temperature rate of change and the predetermined relation of intake temperature rate of change, it is right two at least compressor systems adjust. Therefore, the measured temperature and flow of the inlet and outlet water are the real temperature and flow of the inlet and outlet water of the condenser, and the control precision of the shell and tube air conditioning unit during heating load control is improved.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a general schematic view of a conventional condenser tube box;
FIG. 2 is a front view of a conventional condenser tube box;
FIG. 3 is a left side view of the condenser tube box of FIG. 2;
fig. 4 is a schematic view of an overall structure of a condenser tube box according to an embodiment of the present invention;
FIG. 5 is a front view of a condenser tube box provided in an embodiment of the present invention;
FIG. 6 is a left side view of the condenser tube box of FIG. 5;
FIG. 7 is a top view of the condenser tube box shown in FIG. 5;
FIG. 8 is a flowchart of an implementation of a control method according to an embodiment of the present invention;
fig. 9 is a flowchart of another implementation of the control method according to the embodiment of the present invention;
fig. 10 is a schematic structural diagram of a control device according to an embodiment of the present invention;
fig. 11 is another schematic structural diagram of a control device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. 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.
Referring to fig. 1 to 3, fig. 1 is a general schematic view of a conventional condenser tube box; fig. 2 is a front view of a conventional condenser tube box, and fig. 3 is a left side view of the condenser tube box shown in fig. 2.
As can be seen from fig. 1 to 3, the conventional condenser tube box includes a box body 1, and a water inlet 11 and a water outlet 12 provided on the box body 1, and has a simple structure, and cannot detect the temperature of inlet and outlet water and the water flow rate of the condenser. However, because the actual environments of engineering installation of the shell-and-tube air conditioning unit are different, the positions of the inlet and outlet water temperatures and the water flow detection points of the shell-and-tube condenser are also different, and some detection points are far away from the water outlet or the water inlet of the shell-and-tube condenser, so that the real temperature and flow conditions inside the shell-and-tube condenser cannot be fed back, the control precision of the shell-and-tube air conditioning unit during heating load control is low, and the adjustment of the heating load of the unit is influenced. In view of this, the present application provides an improved condenser tube box.
Referring to fig. 4 to 7, fig. 4 is a schematic view of an overall structure of a condenser tube box according to an embodiment of the present invention; FIG. 5 is a front view of a condenser tube box provided in an embodiment of the present invention; FIG. 6 is a left side view of the condenser tube box of FIG. 5; fig. 7 is a top view of the condenser tube box shown in fig. 5.
The condenser tube case provided by the embodiment of the invention comprises:
a tank 2, a first water passage pipe 21 and a second water passage pipe 22 provided in the tank 2; a first connector 211 is arranged on the side wall of the first water passing pipe 21, and a second connector 221 and a third connector 222 are arranged on the side wall of the second water passing pipe 22;
when the condenser tube box is mounted on the condenser body, the condenser can exchange water with the outside through the first water passing pipe 21 and the second water supplying pipe 22.
The first interface 211 can be used as a detection interface for the inlet water temperature of the condenser, the second interface 221 can be used as a detection interface for the outlet water temperature of the condenser, and the third interface 222 can be used as a detection interface for the flow rate of the condenser water.
When the box body 2 is arranged on the condenser body
Optionally, the condenser pipe box provided by the embodiment of the invention may be an integrally formed condenser pipe box, that is, the condenser pipe box is manufactured by injection molding.
According to the condenser tube box provided by the embodiment of the invention, the first water through pipe and the second water through pipe are generated by extending the box body 2 outwards, the first interface is arranged on the side wall of the first water through pipe, the second interface and the third interface are arranged on the side wall of the second water through pipe, so that the first temperature sensor can be connected to the first interface to detect the water inlet temperature of the condenser, the second temperature sensor is connected to the second interface to detect the water outlet temperature of the condenser, and the flowmeter is connected to the third interface to detect the water flow of the condenser, thereby ensuring that the measured water inlet temperature and water outlet temperature and water flow are the real water inlet temperature and water outlet temperature and water flow conditions of the condenser, improving the control precision when the shell-and-tube air conditioning unit carries out heating load control, further reducing the energy consumption of the shell-and-tube.
The application still provides a condenser, and this condenser includes condenser body and the pipe case of setting at condenser body both ends, and wherein, the pipe case includes: a tank 2, a first water passage pipe 21 and a second water passage pipe 22 provided in the tank 2; a first connector 211 is disposed on a side wall of the first water passage pipe 21, and a second connector 221 and a third connector 222 are disposed on a side wall of the second water passage pipe 22. The first interface 211 can be used as a detection interface for the inlet water temperature of the condenser, the second interface 221 can be used as a detection interface for the outlet water temperature of the condenser, and the third interface 222 can be used as a detection interface for the flow rate of the condenser water.
Based on the condenser pipe box shown in fig. 4 to 7, the present application further provides a control method applied to an air conditioning unit to control a heating load of the air conditioning unit, wherein the air conditioning unit includes a condenser and at least two compressor systems, the condenser includes a condenser body and pipe boxes disposed at two ends of the condenser body, and the pipe box includes: a tank 2, a first water passage pipe 21 and a second water passage pipe 22 provided in the tank 2; a first connector 211 is arranged on the side wall of the first water passing pipe 21, and a second connector 221 and a third connector 222 are arranged on the side wall of the second water passing pipe 22; the first interface 211 is a condenser inlet water temperature detection interface, the second interface 221 is a condenser outlet water temperature detection interface, and the third interface 222 is a condenser water flow detection interface; an implementation flowchart of the control method provided by the present application is shown in fig. 8, and may include:
step S81: acquiring the inlet water temperature and the change rate of the inlet water temperature;
in the embodiment of the present invention, the first water pipe 21 is used as a water inlet passage of the condenser, and the first port 211 is used as a water inlet temperature detection port to detect the water inlet temperature. Specifically, the inlet water temperature may be obtained by a first temperature sensor connected to the first interface 211.
The rate of change of the inlet water temperature is the rate of change of the inlet water temperature with time within a predetermined time period, e.g. assuming t1The inlet water temperature obtained at any moment is T1The time after the preset time is t2，t2Advance of time acquisitionWater temperature of T2Then, at t2The change rate of the inlet water temperature can be determined at the moment as follows:
ΔT＝(T2-T1)/(t2-t1) (1)
wherein, the delta T is the change rate of the water inlet temperature.
Step S82: determining the relation between the inlet water temperature and the heating inlet water set temperature;
the heating inlet water set temperature is an inlet water temperature value set by an air conditioning unit user according to actual requirements.
Step S83: and adjusting the at least two compressor systems according to the relation between the water inlet temperature and the heating water inlet set temperature and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate.
Adjusting the at least two compressor systems may include: and starting the compressor system according to a preset rule, or closing the compressor system according to the preset rule, or keeping the starting number of the compressor system unchanged.
The control method provided by the embodiment of the invention is based on the technical scheme that the control method comprises a box body, a first water through pipe and a second water through pipe, wherein the first water through pipe and the second water through pipe are arranged on the box body; the side wall of the first water through pipe is provided with a first interface, and the side wall of the second water through pipe is provided with a second interface and a third interface; wherein first interface is condenser temperature detection interface that intakes, the second interface is condenser temperature detection interface that goes out, the third interface acquires temperature of intaking and intake temperature rate of change for condenser water flow detection interface's condenser pipe case, confirms the temperature of intaking and heats the relation that intake set up the temperature, the foundation intake temperature and the predetermined relation of setting up the temperature of heating to and intake temperature rate of change and the predetermined relation of intake temperature rate of change, it is right two at least compressor systems adjust. Therefore, the measured temperature and flow of the inlet and outlet water are the real temperature and flow of the inlet and outlet water of the condenser, and the control precision of the shell and tube air conditioning unit during heating load control is improved.
In the above embodiment, optionally, when the temperature of intaking is less than or equal to the heating intake set temperature and the sum of the first preset increment, it is right according to the relation of the temperature of intaking and the preset heating intake set temperature, and the relation of the rate of change of the temperature of intaking and the preset rate of change of the temperature of intaking the at least two compressor systems adjust and can include:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, controlling each compressor system to start in sequence.
Optionally, the first preset increment is smaller than zero, and specifically, the value of the first preset increment may be-4.
When the inlet water temperature is less than or equal to the sum of the heating inlet water set temperature and the first preset increment, the heating requirement of the user is large, and at the moment, if the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, each unopened compressor system is started in sequence. The service life of the air conditioning unit can be prolonged while the heat supply requirement of a user is met.
Optionally, work as the temperature of intaking is less than or equal to heat when intaking the sum of setting temperature and the first predetermined increment, the basis temperature of intaking and the predetermined relation of setting temperature of intaking to and the relation of the temperature rate of change of intaking and the predetermined temperature rate of change of intaking, it is right two at least compressor system adjust can include:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
Optionally, the first preset increment is smaller than zero, and specifically, the value of the first preset increment may be-4.
When the inlet water temperature is less than or equal to the sum of the heating inlet water set temperature and the first preset increment, the heating requirement of a user is larger, at the moment, if the inlet water temperature change rate is less than the preset inlet water temperature change rate, a new compressor system is not started, the started compressor system is not closed, and the number of the currently started compressors is kept unchanged. The service life of the air conditioning unit can be prolonged while the heat supply requirement of a user is met.
Optionally, work as the temperature of intaking is greater than it sets up the sum of temperature and the first increment of predetermineeing to heat intaking, just the temperature of intaking is less than heat when intaking the sum of temperature and the second increment of predetermineeing, the basis intake the temperature and the predetermined relation of setting up the temperature of intaking of heating to and intake the temperature rate of change and the predetermined relation of temperature rate of change of intaking, right two at least compressor systems adjust and can include:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, closing one compressor system every first preset time.
Optionally, the second preset increment is larger than the first preset increment, and the second preset increment is smaller than zero. Specifically, the second predetermined increment may be-1.
When the temperature of intaking is greater than heat and intake the sum of setting temperature and first preset increment, just it is less than to intake the temperature heat intake the sum of setting temperature and second preset increment, explains that the user demand of heating is less, at this moment, if intake the temperature rate of change is less than preset intake the temperature rate of change, then, every first preset is long, closes a compressor system. The service life of the air conditioning unit can be prolonged while the heat supply requirement of a user is met.
Alternatively, the first preset time period may be 5 minutes.
Optionally, work as the temperature of intaking is greater than it sets up the sum of temperature and the first increment of predetermineeing to heat intaking, just the temperature of intaking is less than heat when intaking the sum of temperature and the second increment of predetermineeing, the basis intake the temperature and the predetermined relation of setting up the temperature of intaking of heating to and intake the temperature rate of change and the predetermined relation of temperature rate of change of intaking, right two at least compressor systems adjust and can include:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
Optionally, the second preset increment is larger than the first preset increment, and the second preset increment is smaller than zero. Specifically, the second predetermined increment may be-1.
When the temperature of intaking is greater than it sets up the sum of temperature and the first increment of predetermineeing to heat intaking, just it is less than to intake the temperature heat intaking when the sum of temperature and the second increment of predetermineeing, it is less to explain that the user heats the demand, at this moment, if intake temperature rate of change is greater than or equal to predetermined intake temperature rate of change neither opens new compressor system, also closes the compressor system who has opened, also be exactly the quantity that keeps the compressor that has opened at present unchangeably. The service life of the air conditioning unit can be prolonged while the heat supply requirement of a user is met.
Optionally, work as the temperature of intaking is greater than or equal to heat the sum of intaking and setting up the temperature and the preset increment of second, just the temperature of intaking is less than or equal to heat when intaking the sum of setting up the temperature and the preset increment of third, the basis the temperature of intaking and the preset relation of intaking and setting up the temperature of heating to and the relation of intaking temperature rate of change and the preset temperature rate of change of intaking, it is right two at least compressor systems adjust and include:
the number of compressor systems that remain on is unchanged.
Optionally, the third preset increment is greater than the second preset increment, and the third preset increment is greater than zero. Specifically, the third preset increment may be 1.
When the temperature of intaking is more than or equal to heat the sum of intaking and setting up the temperature and the second preset increment, just the temperature of intaking is less than or equal to heat when intaking the sum of setting up the temperature and the third preset increment, it is stable to explain air conditioning unit heating load, at this moment, neither opens new compressor system, also closes the compressor system who has opened, also keeps the quantity of the compressor that has opened at present unchangeably. The service life of the air conditioning unit can be prolonged while the heat supply requirement of a user is met.
Optionally, be greater than when the temperature of intaking heating intaking and setting up the sum of the increment of temperature and third preset, just the temperature of intaking is less than heat intaking and when setting up the sum of temperature and sixth preset increment, the basis intake the temperature and the predetermined relation of intaking and setting up the temperature of heating to and intake the temperature rate of change and the predetermined relation of intaking the temperature rate of change, it is right two at least compressor systems adjust and include:
and shutting down one compressor system every second preset time.
Alternatively, the second preset time period may be 5 minutes.
When the temperature of intaking is greater than the heating is intake and is set up the sum of temperature and the third increment of predetermineeing, just the temperature of intaking is less than when the heating is intake and is set up the sum of temperature and the sixth increment of predetermineeing, explains that air conditioning unit is current to heat the ability surplus, and at this moment, every second is predetermined for a long time, closes a compressor system, uninstalls partly compressor system promptly, is satisfying the colleague of user's heat supply demand, can also the energy saving.
Optionally, work as the temperature of intaking is greater than or equal to heat and intake when setting up the sum of temperature and the sixth default increment, the basis intake the temperature and the predetermined relation of heating and intaking the temperature setting to and intake the temperature rate of change and the predetermined relation of the temperature rate of change of intaking, right two at least compressor system adjust and can include:
closing one compressor system every third preset time; the third preset time is shorter than the second preset time.
The third preset time is less than the second preset time. Alternatively, the third preset time period may be 2 minutes.
When the inlet water temperature is greater than or equal to the sum of the heating inlet water set temperature and the sixth preset increment, the current heating capacity of the air conditioning unit is seriously surplus, at the moment, one compressor system is closed every third preset time, namely, a part of the compressor systems are unloaded, and the energy can be saved when the colleagues meeting the heat supply requirements of users meet.
Optionally, after the heating load of the air conditioning unit is stable, the water flow of a water pump in the air conditioning unit can be controlled. Specifically, when the temperature of intaking is greater than or equal to the heating is intake and is set up the sum of temperature and the second preset increment, just the temperature of intaking is less than or equal to when the heating is intake and is set up the sum of temperature and the third preset increment (namely when the air conditioning unit heats load and is stable), another kind of realization flow chart of the control method that this application provided is shown in fig. 9, can also include:
step S91: obtaining the temperature of the effluent;
in the embodiment of the present invention, the second water passage 22 is used as the outlet passage of the condenser, and the second port 221 is used as the outlet temperature check port to detect the temperature of water. Specifically, the outlet water temperature may be obtained by a second temperature sensor connected to the second interface 221.
Step S92: and adjusting the water flow of a water pump in the air conditioner unit according to the relation between the outlet water temperature and the heating outlet water set temperature.
Wherein, adjust the discharge of water pump in the air conditioner unit and can realize adjusting the discharge of water pump through adjusting the aperture to the water route valve of water pump.
In the embodiment of the invention, after the heating load of the air conditioning unit is stable, the reliability of the system is further optimized by controlling the water flow of the water pump, and the service life of the air conditioning unit can be prolonged.
Optionally, when the water outlet temperature is less than a sum of the heating water outlet set temperature and a fourth preset increment, adjusting the water flow of the water pump in the air conditioning unit according to the relationship between the water outlet temperature and the heating water outlet set temperature may include:
and closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump.
Optionally, the fourth preset increment is smaller than zero. Specifically, the fourth predetermined increment may be-1.
Optionally, when the outlet water temperature is greater than or equal to the sum of the heating outlet water set temperature and the fourth preset increment, and the outlet water temperature is less than or equal to the sum of the heating outlet water set temperature and the fifth preset increment, adjusting the water flow of the water pump in the air conditioning unit according to the relationship between the outlet water temperature and the heating outlet water set temperature may include:
and keeping the opening of a waterway valve of a water pump in the air conditioning unit unchanged so as to keep the water flow of the water pump unchanged.
Optionally, the fifth preset increment is greater than the fourth preset increment, and the fifth preset increment is greater than zero. Specifically, the fifth preset increment may be 1.
Optionally, when the outlet water temperature is greater than a sum of the heating outlet water set temperature and a fifth preset increment, adjusting the water flow of the water pump in the air conditioning unit according to the relationship between the outlet water temperature and the heating outlet water set temperature may include:
and opening the opening of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump.
Corresponding to the embodiment of the method, the application also provides a control device, which is applied to an air conditioning unit to control the heating load of the air conditioning unit, wherein the air conditioning unit comprises a condenser and at least two compressor systems, the condenser comprises a condenser body and pipe boxes arranged at two ends of the condenser body, and the pipe boxes comprise: a tank 2, a first water passage pipe 21 and a second water passage pipe 22 provided in the tank 2; a first connector 211 is arranged on the side wall of the first water passing pipe 21, and a second connector 221 and a third connector 222 are arranged on the side wall of the second water passing pipe 22; the first interface 211 is a condenser inlet water temperature detection interface, the second interface 221 is a condenser outlet water temperature detection interface, and the third interface 222 is a condenser water flow detection interface; a schematic structural diagram of the control device provided by the present application is shown in fig. 10, and may include:
a first obtaining module 101, a determining module 102 and a first adjusting module 103; wherein,
the first obtaining module 101 is used for obtaining the inlet water temperature and the inlet water temperature change rate;
the determining module 102 is configured to determine a relationship between an inlet water temperature and a heating inlet water set temperature;
first adjusting module 103 is used for the foundation the temperature of intaking and the relation of the predetermined heating temperature setting of intaking to and the relation of the temperature rate of change of the temperature of intaking and the predetermined temperature rate of change of the temperature of intaking, it is right two at least compressor system adjust.
The control device comprises a box body, a first water through pipe and a second water through pipe, wherein the first water through pipe and the second water through pipe are arranged on the box body; the side wall of the first water through pipe is provided with a first interface, and the side wall of the second water through pipe is provided with a second interface and a third interface; wherein first interface is condenser temperature detection interface that intakes, the second interface is condenser temperature detection interface that goes out, the third interface acquires temperature of intaking and intake temperature rate of change for condenser water flow detection interface's condenser pipe case, confirms the temperature of intaking and heats the relation that intake set up the temperature, the foundation intake temperature and the predetermined relation of setting up the temperature of heating to and intake temperature rate of change and the predetermined relation of intake temperature rate of change, it is right two at least compressor systems adjust. Therefore, the measured temperature and flow of the inlet and outlet water are the real temperature and flow of the inlet and outlet water of the condenser, and the control precision of the shell and tube air conditioning unit during heating load control is improved.
Optionally, the first adjusting module 103 may include:
the first adjusting unit is used for determining that the water inlet temperature is smaller than or equal to the heating water inlet set temperature and the sum of the first preset increment, and if the water inlet temperature change rate is larger than or equal to the preset water inlet temperature change rate, each compressor system is controlled to be started in sequence. And if the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
Optionally, the first adjusting module 103 may include:
the second regulating unit is used for working as the determination module is confirmed the temperature of intaking is greater than heat and intake the sum of temperature setting and first default increment, just the temperature of intaking is less than heat and intake when setting the sum of temperature setting and the second default increment, if the temperature rate of change of intaking is less than predetermined intake temperature rate of change, then every first predetermined duration, close a compressor system. And if the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
Optionally, the first adjusting module 103 may include:
and the third adjusting unit is used for determining that the water inlet temperature is greater than the sum of the heating water inlet set temperature and the third preset increment, and the water inlet temperature is less than the sum of the heating water inlet set temperature and the sixth preset increment, and one compressor system is closed every second preset time.
Optionally, the first adjusting module 103 may include:
the fourth adjusting unit is used for closing a compressor system every third preset time when the determining module determines that the inlet water temperature is greater than or equal to the sum of the heating inlet water set temperature and a sixth preset increment; the third preset time is shorter than the second preset time.
Optionally, when the water inlet temperature is greater than or equal to the sum of the heating water inlet set temperature and the second preset increment, and the water inlet temperature is less than or equal to the sum of the heating water inlet set temperature and the third preset increment, the first adjusting module 103 does not adjust the number of the compressor systems to be opened, i.e., the number of the compressor systems to be opened is kept unchanged.
On the basis of the embodiment shown in fig. 10, another schematic structural diagram of the control device provided by the present application is shown in fig. 11, and may further include:
a second obtaining module 111 and a second adjusting module 112; wherein,
the second obtaining module 111 is configured to obtain the water outlet temperature when the water inlet temperature is greater than or equal to a sum of the heating water inlet set temperature and a second preset increment, and the water inlet temperature is less than or equal to a sum of the heating water inlet set temperature and a third preset increment;
the second adjusting module 112 is configured to adjust a water flow rate of a water pump in the air conditioning unit according to a relationship between the outlet water temperature and the heating outlet water setting temperature.
Optionally, the second adjusting module 112 may include:
and the fifth adjusting unit is used for closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump when the water outlet temperature is less than the sum of the heating water outlet set temperature and a fourth preset increment.
Optionally, the second adjusting module 112 may include:
and the sixth adjusting unit is used for increasing the opening degree of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump when the outlet water temperature is greater than the sum of the heating outlet water set temperature and a fifth preset increment.
Optionally, when the outlet water temperature is greater than or equal to the sum of the heating outlet water set temperature and the fourth preset increment, and the outlet water temperature is less than or equal to the sum of the heating outlet water set temperature and the fifth preset increment, the second adjusting module 112 does not adjust the opening of the water path valve of the water pump in the air conditioning unit, that is, the opening of the water path valve of the water pump in the air conditioning unit is kept unchanged, so as to keep the water flow rate of the water pump unchanged.
The present application further provides an air conditioning unit, which comprises the control device, the condenser and at least two compressor systems as described in any one of the above embodiments, the condenser comprises a condenser body and a pipe box disposed at two ends of the condenser body, the pipe box comprises: a tank 2, a first water passage pipe 21 and a second water passage pipe 22 provided in the tank 2; a first connector 211 is disposed on a side wall of the first water passage pipe 21, and a second connector 221 and a third connector 222 are disposed on a side wall of the second water passage pipe 22.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one type of logical function division, and other division manners may be available in actual implementation, for example, a plurality of units or components may be combined or integrated into another device, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (21)
1. The control method is applied to an air conditioning unit, the air conditioning unit comprises a condenser and at least two compressor systems, the condenser comprises a condenser body and pipe boxes arranged at two ends of the condenser body, and the control method is characterized in that the pipe boxes comprise: a box body (2), a first water through pipe (21) and a second water through pipe (22) which are arranged on the box body (2); a first interface (211) is arranged on the side wall of the first water passing pipe (21), and a second interface (221) and a third interface (222) are arranged on the side wall of the second water passing pipe (22); the first interface (211) is a condenser water inlet temperature detection interface, the second interface (221) is a condenser water outlet temperature detection interface, and the third interface (222) is a condenser water flow detection interface; the method comprises the following steps:
acquiring the inlet water temperature and the inlet water temperature change rate;
determining the relation between the inlet water temperature and the heating inlet water set temperature;
and adjusting the at least two compressor systems according to the relation between the water inlet temperature and the preset heating water inlet set temperature and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate.
2. The method of claim 1, wherein when the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a first predetermined increment, the adjusting the at least two compressor systems based on the inlet water temperature relative to a predetermined heating inlet water set temperature and the inlet water temperature rate of change relative to a predetermined inlet water temperature rate of change comprises:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, controlling each compressor system to start in sequence.
3. The method of claim 1, wherein when the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a first predetermined increment, the adjusting the at least two compressor systems based on the inlet water temperature relative to a predetermined heating inlet water set temperature and the inlet water temperature rate of change relative to a predetermined inlet water temperature rate of change comprises:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
4. The method of claim 1, wherein when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a first predetermined increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a second predetermined increment, adjusting the at least two compressor systems based on the inlet water temperature and a predetermined heating inlet water set temperature relationship, and the inlet water temperature rate of change and a predetermined inlet water temperature rate of change comprises:
and when the inlet water temperature change rate is smaller than the preset inlet water temperature change rate, closing one compressor system every first preset time.
5. The method of claim 1, wherein when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a first predetermined increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a second predetermined increment, adjusting the at least two compressor systems based on the inlet water temperature and a predetermined heating inlet water set temperature relationship, and the inlet water temperature rate of change and a predetermined inlet water temperature rate of change comprises:
and when the inlet water temperature change rate is greater than or equal to the preset inlet water temperature change rate, keeping the number of the started compressor systems unchanged.
6. The method of claim 1, wherein when the inlet water temperature is greater than or equal to a sum of the heating inlet water set temperature and a second predetermined increment, and the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a third predetermined increment, adjusting the at least two compressor systems according to a relationship between the inlet water temperature and a predetermined heating inlet water set temperature, and a relationship between a rate of change of the inlet water temperature and a predetermined rate of change of the inlet water temperature comprises:
the number of compressor systems that remain on is unchanged.
7. The method of claim 6, wherein when the inlet water temperature is greater than or equal to a sum of the heating inlet water set temperature and a second predetermined increment, and the inlet water temperature is less than or equal to a sum of the heating inlet water set temperature and a third predetermined increment, further comprising:
obtaining the temperature of the effluent;
and adjusting the water flow of a water pump in the air conditioner unit according to the relation between the outlet water temperature and the heating outlet water set temperature.
8. The method of claim 7, wherein when the leaving water temperature is less than a sum of the heating leaving water set temperature and a fourth predetermined increment, the adjusting the flow rate of water to a water pump in an air conditioning unit based on the relationship between the leaving water temperature and the heating leaving water set temperature comprises:
and closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump.
9. The method of claim 7, wherein when the leaving water temperature is greater than or equal to a sum of the heating leaving water set temperature and a fourth preset increment, and the leaving water temperature is less than or equal to a sum of the heating leaving water set temperature and a fifth preset increment, the adjusting the water flow rate of a water pump in an air conditioning unit according to the relationship between the leaving water temperature and the heating leaving water set temperature comprises:
and keeping the opening of a waterway valve of a water pump in the air conditioning unit unchanged so as to keep the water flow of the water pump unchanged.
10. The method of claim 7, wherein when the outlet water temperature is greater than a sum of the heating outlet water set temperature and a fifth predetermined increment, the adjusting the flow rate of water from a water pump in an air conditioning unit based on the relationship between the outlet water temperature and the heating outlet water set temperature comprises:
and opening the opening of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump.
11. The method of claim 1, wherein when the inlet water temperature is greater than a sum of the heating inlet water set temperature and a third predetermined increment, and the inlet water temperature is less than a sum of the heating inlet water set temperature and a sixth predetermined increment, adjusting the at least two compressor systems based on the inlet water temperature and a predetermined heating inlet water set temperature relationship, and the inlet water temperature rate of change and a predetermined inlet water temperature rate of change comprises:
and shutting down one compressor system every second preset time.
12. The method of claim 1, wherein when the inlet water temperature is greater than or equal to a sum of the heating inlet water set temperature and a sixth predetermined increment, the adjusting the at least two compressor systems based on the inlet water temperature relative to a predetermined heating inlet water set temperature and the inlet water temperature rate of change relative to a predetermined inlet water temperature rate of change comprises:
closing one compressor system every third preset time; the third preset time is shorter than the second preset time.
13. The utility model provides a controlling means, is applied to air conditioning unit, air conditioning unit includes condenser and two at least compressor system, the condenser includes the condenser body and sets up the pipe case at condenser body both ends, its characterized in that, pipe case includes: a box body (2), a first water through pipe (21) and a second water through pipe (22) which are arranged on the box body (2); a first interface (211) is arranged on the side wall of the first water passing pipe (21), and a second interface (221) and a third interface (222) are arranged on the side wall of the second water passing pipe (22); the first interface (211) is a condenser water inlet temperature detection interface, the second interface (221) is a condenser water outlet temperature detection interface, and the third interface (222) is a condenser water flow detection interface; the device comprises:
the first acquisition module is used for acquiring the inlet water temperature and the inlet water temperature change rate;
the determining module is used for determining the relation between the inlet water temperature and the heating inlet water set temperature;
the first adjusting module is used for adjusting the at least two compressor systems according to the relation between the water inlet temperature and the preset heating water inlet temperature setting and the relation between the water inlet temperature change rate and the preset water inlet temperature change rate.
14. The apparatus of claim 13, wherein the first adjustment module comprises:
the first adjusting unit is used for determining that the water inlet temperature is smaller than or equal to the heating water inlet set temperature and the sum of the first preset increment, and if the water inlet temperature change rate is larger than or equal to the preset water inlet temperature change rate, each compressor system is controlled to be started in sequence.
15. The apparatus of claim 13, wherein the first adjustment module comprises:
the second regulating unit is used for working as the determination module is confirmed the temperature of intaking is greater than heat and intake the sum of temperature setting and first default increment, just the temperature of intaking is less than heat and intake when setting the sum of temperature setting and the second default increment, if the temperature rate of change of intaking is less than predetermined intake temperature rate of change, then every first predetermined duration, close a compressor system.
16. The apparatus of claim 13, wherein the first adjustment module comprises:
and the third adjusting unit is used for determining that the water inlet temperature is greater than the sum of the heating water inlet set temperature and the third preset increment, and the water inlet temperature is less than the sum of the heating water inlet set temperature and the sixth preset increment, and one compressor system is closed every second preset time.
17. The apparatus of claim 13, wherein the first adjustment module comprises:
the fourth adjusting unit is used for closing a compressor system every third preset time when the determining module determines that the inlet water temperature is greater than or equal to the sum of the heating inlet water set temperature and a sixth preset increment; the third preset time is shorter than the second preset time.
18. The apparatus of claim 13, further comprising:
the second acquisition module is used for acquiring the water outlet temperature when the water inlet temperature is greater than or equal to the sum of the heating water inlet set temperature and a second preset increment and the water inlet temperature is less than or equal to the sum of the heating water inlet set temperature and a third preset increment;
and the second adjusting module is used for adjusting the water flow of a water pump in the air conditioner unit according to the relation between the water outlet temperature and the heating water outlet set temperature.
19. The apparatus of claim 18, wherein the second adjustment module comprises:
and the fifth adjusting unit is used for closing the opening of a waterway valve of a water pump in the air conditioning unit to reduce the water flow of the water pump when the water outlet temperature is less than the sum of the heating water outlet set temperature and a fourth preset increment.
20. The apparatus of claim 18, wherein the second adjustment module comprises:
and the sixth adjusting unit is used for increasing the opening degree of a waterway valve of a water pump in the air conditioning unit to increase the water flow of the water pump when the outlet water temperature is greater than the sum of the heating outlet water set temperature and a fifth preset increment.
21. An air conditioning assembly, comprising a control device according to any of claims 13-20, a condenser and at least two compressor systems, the condenser comprising a condenser body and a tube box arranged at both ends of the condenser body, the tube box comprising: a box body (2), a first water through pipe (21) and a second water through pipe (22) which are arranged on the box body (2); the side wall of the first water passing pipe (21) is provided with a first interface (211), and the side wall of the second water passing pipe (22) is provided with a second interface (221) and a third interface (222).
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| CN106766214B (en) * | 2016-11-11 | 2019-11-01 | 广东芬尼克兹节能设备有限公司 | A kind of water temperature frequency modulation control method |
| CN107238174B (en) * | 2017-05-27 | 2019-11-08 | 珠海格力电器股份有限公司 | Method and device for controlling frequency of compressor |
| CN107576106B (en) * | 2017-08-17 | 2019-12-27 | 广东美的暖通设备有限公司 | Cold and hot water unit and starting control method and device thereof |
| CN107655164B (en) * | 2017-09-07 | 2020-08-04 | 三菱重工海尔(青岛)空调机有限公司 | Method for controlling opening degree of electronic expansion valve of indoor unit of air conditioner of water system |
| CN108224702B (en) * | 2017-12-18 | 2020-08-18 | 青岛海尔空调电子有限公司 | Control method and device for central air-conditioning system |
| CN110640061A (en) * | 2018-06-26 | 2020-01-03 | 端木迎 | Die forging process of condenser pipe box |
| CN112678006B (en) * | 2020-11-30 | 2022-07-12 | 山东朗进科技股份有限公司 | Multi-compressor air conditioning unit cold quantity adjusting and controlling method and air conditioning unit for railway vehicle |
| CN114279066B (en) * | 2021-12-10 | 2023-04-14 | 珠海格力电器股份有限公司 | Control method and device of household water machine and air conditioning system |
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| JPH10259967A (en) * | 1997-03-19 | 1998-09-29 | Calsonic Corp | Connector for heat exchanger |
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| CN201449087U (en) * | 2009-07-13 | 2010-05-05 | 山东早春创尔沃热泵技术有限公司 | Self-cleaning condensator for central air-conditioning |
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