Air conditioning radiation terminal system, control method and air conditioning system

Abstract

The present invention discloses an air conditioning radiation terminal system, a control method and an air conditioning system, comprising a controller, a liquid supply pipe, a liquid return pipe, an electric valve assembly, a capillary radiation terminal and a floor heating radiation terminal, wherein the first end of the capillary radiation terminal is connected to the liquid supply pipe through the electric valve assembly, and the second end of the capillary radiation terminal is connected to the floor heating radiation terminal and / or the liquid return pipe through the electric valve assembly; the first end of the floor heating radiation terminal is connected to the liquid supply pipe through the electric valve assembly, and the second end of the floor heating radiation terminal is connected to the liquid return pipe; the controller is connected to the electric valve assembly in communication, and the controller controls the electric valve assembly according to the received operation mode, so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation terminal and / or the floor heating radiation terminal. The present invention realizes multiple temperature adjustment modes by forming a series and / or parallel connection between the capillary radiation terminal and the floor heating radiation terminal, and provides cooling or heating for the capillary radiation terminal and / or the floor heating radiation terminal.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to an air conditioning radiation terminal system, a control method and an air conditioning system. Background Art

[0002] The air conditioning radiation terminal system is an air conditioning system that transfers cold or heat by radiation, and is mainly composed of capillary radiation terminals and floor heating radiation terminals. The capillary radiation terminals and floor heating radiation terminals of the existing air conditioning radiation terminal system are connected in parallel, resulting in a capillary radiation terminal with a supply and return water temperature difference of only 3 degrees in summer, which will lead to a small temperature difference, a large flow rate, and a large power consumption of the water pump; and the floor heating radiation terminal of the existing air conditioning radiation terminal system is basically not used, and the floor heating radiation terminal can only use the same temperature for cooling or heating. If the supply and return water temperature of the top surface is low, the surface temperature of the ground is low, and a layer of mist is easily generated on the ground, and the ground cooling body temperature is not good, and the comfort is poor. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art air conditioning radiation terminal system, such as single temperature adjustment mode, small temperature difference, large flow rate and high energy consumption, and to provide an air conditioning radiation terminal system, a control method and an air conditioning system.

[0004] The technical solution of the present invention provides an air conditioning radiation terminal system, including a controller, a liquid supply pipe, a liquid return pipe, an electric valve assembly, a capillary radiation terminal and a floor heating radiation terminal.

[0005] The first end of the capillary radiation end is connected to the liquid supply pipe through the electric valve assembly, and the second end of the capillary radiation end is connected to the floor heating radiation end and / or the liquid return pipe through the electric valve assembly;

[0006] The first end of the floor heating radiation terminal is connected to the liquid supply pipe through the electric valve assembly, and the second end of the floor heating radiation terminal is connected to the liquid return pipe;

[0007] The controller is communicatively connected with the electric valve assembly, and controls the electric valve assembly according to a received operating mode so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation end and / or the floor heating radiation end. The operating mode includes a precooling and preheating mode, a normal mode, and a high load mode.

[0008] In one of the optional technical solutions, the controller is also used for:

[0009] If the operation mode is the precooling and preheating mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end, or to allow the liquid medium to adjust the temperature of the floor heating radiation end;

[0010] If the operation mode is the normal mode or the high load mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end and the floor heating radiation end.

[0011] In one of the optional technical solutions, the floor heating radiation end includes a water distributor and a water collector, one end of the water distributor is connected to the electric valve assembly, the other end of the water distributor is connected to one end of the water collector, and the other end of the water collector is respectively connected to the electric valve assembly and the return liquid pipe.

[0012] In one of the optional technical solutions, the electric valve assembly includes a first electric valve, a second electric valve and a third electric valve.

[0013] One end of the first electric valve is communicated with the liquid supply pipe, the other end of the first electric valve is communicated with the first end of the capillary radiation end, and the second end of the capillary radiation end is communicated with the first end of the third electric valve;

[0014] One end of the second electric valve is communicated with the liquid supply pipe, and the other end of the second electric valve is communicated with the first end of the third electric valve;

[0015] The second end of the third electric valve is communicated with one end of the water distributor, and the third end of the third electric valve is communicated with the other end of the water collector and the liquid return pipe respectively.

[0016] In one of the optional technical solutions, the controller is also used for:

[0017] If the operation mode is the precooling and preheating mode, one end of the first electric valve is controlled to be connected to the liquid supply pipe, the other end of the first electric valve is connected to the first end of the capillary radiation end, the second end of the capillary radiation end is connected to the first end of the third electric valve, and the third end of the third electric valve is connected to the liquid return pipe, or one end of the second electric valve is controlled to be connected to the liquid supply pipe, the other end of the second electric valve is connected to the first end of the third electric valve, the second end of the third electric valve is connected to the first end of the water distributor, the second end of the water distributor is connected to the first end of the water collector, and the second end of the water collector is connected to the liquid return pipe;

[0018] If the operation mode is the normal mode, one end of the first electric valve is controlled to be connected to the liquid supply pipe, the other end of the first electric valve is controlled to be connected to the first end of the capillary radiation end, the second end of the capillary radiation end is controlled to be connected to the first end of the third electric valve, the second end of the third electric valve is controlled to be connected to the first end of the water distributor, the second end of the water distributor is controlled to be connected to the first end of the water collector, and the second end of the water collector is controlled to be connected to the liquid return pipe;

[0019] If the operating mode is the high load mode, one end of the first electric valve and one end of the second electric valve are controlled to be connected to the liquid supply pipe respectively, the other end of the first electric valve is connected to the first end of the capillary radiation end, the other end of the second electric valve is connected to the first end of the third electric valve, the second end of the capillary radiation end is connected to the first end of the third electric valve, the second end of the third electric valve is connected to the first end of the water distributor, the second end of the water distributor is connected to the first end of the water collector, and the second end of the water collector is respectively connected to the third end of the third electric valve and the liquid return pipe.

[0020] In one of the optional technical solutions, the electric valve assembly includes a fourth electric valve, a fifth electric valve, a sixth electric valve, a seventh electric valve, an eighth electric valve and a ninth electric valve.

[0021] The fourth electric valve, the fifth electric valve, the sixth electric valve and the seventh electric valve are connected end to end in sequence, the liquid supply pipe is connected to the connection between the fourth electric valve and the fifth electric valve, and the liquid return pipe is connected to the connection between the sixth electric valve and the seventh electric valve;

[0022] The first end of the eighth electric valve is communicated with the connection between the fourth electric valve and the seventh electric valve, the second end of the eighth electric valve is communicated with the first end of the capillary radiation end, and the third end of the eighth electric valve is communicated with the first end of the ninth electric valve and the first end of the water divider respectively;

[0023] The second end of the water distributor is communicated with the first end of the water collector, the second end of the water collector is communicated with the second end of the ninth electric valve, and the third end of the ninth electric valve is communicated with the connection between the fifth electric valve and the sixth electric valve.

[0024] In one of the optional technical solutions, the controller is also used for:

[0025] If the operating mode is the pre-cooling and preheating mode, one end of the fourth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fourth electric valve is connected to the first end of the eighth electric valve, the second end of the eighth electric valve is connected to the first end of the capillary radiation end, the second end of the capillary radiation end is connected to the first end of the ninth electric valve, the third end of the ninth electric valve is connected to one end of the sixth electric valve, and the other end of the sixth electric valve is connected to the return pipe, or one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the water collector is connected to the third end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the return pipe.

[0026] In one of the optional technical solutions, the controller is also used for:

[0027] Get the outdoor temperature;

[0028] If the operation mode is the normal mode, and the outdoor temperature meets the preset first temperature threshold, control one end of the fourth electric valve to be connected to the liquid supply pipe, the other end of the fourth electric valve to be connected to the first end of the eighth electric valve, the second end of the eighth electric valve to be connected to the first end of the capillary radiation end, the second end of the capillary radiation end to be connected to the first end of the water distributor, the second end of the water distributor to be connected to the first end of the water collector, the second end of the water collector to be connected to the second end of the ninth electric valve, the third end of the ninth electric valve to be connected to one end of the sixth electric valve, and the other end of the sixth electric valve to be connected to the liquid return pipe;

[0029] If the operating mode is the normal mode and the outdoor temperature meets the preset second temperature threshold, one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the water collector is connected to the second end of the water distributor, the first end of the water distributor is connected to the second end of the capillary radiation end, the first end of the capillary radiation end is connected to the second end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the liquid return pipe, and the second temperature threshold is less than the first temperature threshold.

[0030] In one of the optional technical solutions, the controller is also used for:

[0031] If the operation mode is the high load mode, and the outdoor temperature meets the first temperature threshold, control one end of the fourth electric valve to be connected to the liquid supply pipe, the other end of the fourth electric valve to be connected to the first end of the eighth electric valve, the second end of the eighth electric valve to be connected to the first end of the capillary radiation end and the first end of the water divider respectively, the second end of the capillary radiation end to be connected to the first end of the water divider, the second end of the water divider to be connected to the first end of the water collector, the second end of the water collector to be connected to the second end of the ninth electric valve, the third end of the ninth electric valve to be connected to one end of the sixth electric valve, and the other end of the sixth electric valve to be connected to the liquid return pipe;

[0032] If the operating mode is the high load mode and the outdoor temperature meets the second temperature threshold, one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the ninth electric valve is connected to the second end of the capillary radiation end, the first end of the water collector is connected to the second end of the water distributor, the first end of the water distributor is connected to the second end of the capillary radiation end, the first end of the capillary radiation end is connected to the second end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the liquid return pipe.

[0033] The technical solution of the present invention also provides a control method for the air conditioning radiation terminal system as described above, comprising:

[0034] receiving a control signal including an operation mode, wherein the operation mode includes a precooling and preheating mode, a normal mode, and a high load mode;

[0035] The electric valve assembly of the air conditioning radiation terminal system is controlled according to the operating mode, so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation terminal and / or the floor heating radiation terminal.

[0036] The technical solution of the present invention further provides an air-conditioning system, comprising the air-conditioning radiation terminal system as described above.

[0037] After adopting the above technical scheme, it has the following beneficial effects: the electric valve assembly is controlled by the controller, so that the capillary radiation end and the floor heating radiation end are connected in series and / or in parallel, and a variety of temperature adjustment modes are realized, so as to provide cooling or heating for the capillary radiation end and / or the floor heating radiation end, avoid the floor heating radiation end only using the same temperature for cooling or heating, and no mist will appear on the ground, thereby improving comfort and meeting the indoor temperature requirements of different users. When the operating mode is a high load mode, the temperature difference between the capillary radiation end and the floor heating radiation end can be increased, thereby reducing the flow rate and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0039] Figure 1 A schematic diagram of the structure of an air conditioning radiation terminal system provided in Embodiment 1 of the present invention;

[0040] Figure 2 A schematic diagram of the structure of an air conditioning radiation terminal system provided in the second embodiment of the present invention;

[0041] Figure 3 for Figure 2 The first control principle diagram of the air conditioning radiation terminal system shown is in the pre-cooling and pre-heating mode;

[0042] Figure 4 for Figure 2 The second control principle diagram of the air conditioning radiation terminal system shown is in the pre-cooling and pre-heating mode;

[0043] Figure 5 for Figure 2 The control principle diagram of the air conditioning radiation terminal system shown is in normal mode;

[0044] Figure 6 for Figure 2 The control principle diagram of the air conditioning radiation terminal system shown is in high load mode;

[0045] Figure 7 A schematic diagram of the structure of an air conditioning radiation terminal system provided in Example 3;

[0046] Figure 8 for Figure 7 The first control principle diagram of the air conditioning radiation terminal system shown is in the pre-cooling and pre-heating mode;

[0047] Fig. 9 for Figure 7 The second control principle diagram of the air conditioning radiation terminal system shown is in the pre-cooling and pre-heating mode;

[0048] Fig.10 for Figure 7 The first control principle diagram of the air conditioning radiation terminal system shown is in normal mode;

[0049] Fig.11 for Figure 7 The second control principle diagram of the air conditioning radiation terminal system shown is in normal mode;

[0050] Fig.12 for Figure 7 The first control principle diagram of the air conditioning radiation terminal system shown is in a high load mode;

[0051] Fig.13 for Figure 7 The second control principle diagram of the air conditioning radiation terminal system shown is in a high load mode;

[0052] Fig.14 This is a workflow diagram of a control method for an air conditioning radiation terminal system provided in Embodiment 4 of the present invention. DETAILED DESCRIPTION

[0053] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0054] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a variety of structural modes and implementation modes that can be replaced by those skilled in the art can be replaced with each other. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the invention.

[0055] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to different positions and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0056] The air conditioning radiation terminal system provided by the present invention is mainly used in indoor air conditioning systems.

[0057] Embodiment 1

[0058] like Figure 1 As shown, Figure 1 A schematic structural diagram of an air conditioning radiation terminal system provided in one embodiment of the present invention includes a controller, a liquid supply pipe 11, a liquid return pipe 12, an electric valve assembly, a capillary radiation terminal 13 and a floor heating radiation terminal 14.

[0059] The first end of the capillary radiation terminal 13 is communicated with the liquid supply pipe 11 through the electric valve assembly, and the second end of the capillary radiation terminal 13 is communicated with the floor heating radiation terminal 14 and / or the liquid return pipe 12 through the electric valve assembly;

[0060] The first end of the floor heating radiation terminal 14 is connected to the liquid supply pipe 11 through the electric valve assembly, and the second end of the floor heating radiation terminal 14 is connected to the liquid return pipe 12;

[0061] The controller is communicatively connected with the electric valve assembly. The controller controls the electric valve assembly according to the received operating mode so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation end and / or the floor heating radiation end. The operating modes include precooling and preheating mode, normal mode and high load mode.

[0062] The liquid supply pipe 11 is connected to a cold and hot source device storing a liquid medium, and the liquid supply pipe 11 transports the liquid medium to the capillary radiation start end 13 and / or the floor heating radiation end 14, and returns to the cold and hot source device through the return pipe 12, forming a cycle, and providing cooling or heating for the capillary radiation start end 13 and / or the floor heating radiation end 14. The liquid medium is a liquid that can be heated or cooled, and the liquid medium is preferably water.

[0063] The first end of the capillary radiation terminal 13 is connected to the liquid supply pipe 11 through the electric valve assembly, and the second end of the capillary radiation terminal 13 is connected to the floor heating radiation terminal 14 and / or the return liquid pipe 12 through the electric valve assembly. The valve state of the electric valve assembly is controlled by the controller to make the capillary radiation terminal 13 and the floor heating radiation terminal 14 form a series and / or parallel form, so as to realize a variety of temperature adjustment modes, such as the capillary radiation terminal 13 adjusting the temperature separately, the floor heating radiation terminal 14 adjusting the temperature separately, the capillary radiation terminal 13 and the floor heating radiation terminal 14 adjusting the temperature simultaneously, the floor heating radiation terminal 14 recycling and adjusting the temperature, etc., to provide cooling or heating for the capillary radiation terminal 13 and / or the floor heating radiation terminal 14, and when the operation mode is the high load mode, the temperature difference between the capillary radiation terminal 13 and the floor heating radiation terminal 14 can be increased, the flow rate can be reduced, and the energy consumption can be reduced.

[0064] The controller is a control chip with independent control capability, and the controller is preferably a microcontroller unit (MCU).

[0065] In this embodiment, the electric valve assembly is controlled by a controller so that the capillary radiation end and the floor heating radiation end are connected in series and / or in parallel, realizing a variety of temperature adjustment modes, providing cooling or heating for the capillary radiation end and / or the floor heating radiation end, avoiding the floor heating radiation end having to use only the same temperature for cooling or heating, and preventing mist from appearing on the ground, thereby improving comfort and meeting the indoor temperature requirements of different users. When the operating mode is a high load mode, the temperature difference between the capillary radiation end and the floor heating radiation end can be increased, thereby reducing flow and reducing energy consumption.

[0066] In one embodiment, the controller is further configured to:

[0067] If the operation mode is the pre-cooling and pre-heating mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end 13, or to allow the liquid medium to adjust the temperature of the floor heating radiation end 14;

[0068] If the operation mode is the normal mode or the high load mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end 13 and the floor heating radiation end 14 .

[0069] When a control signal including an operating mode is received, such as when a user triggers a control signal through an indoor control panel, if the operating mode is a pre-cooling or pre-heating mode, the controller controls the opening and closing of the electric valve assembly so that the capillary radiation terminal 13 and the floor heating radiation terminal 14 are connected in parallel, and the liquid medium is used to cool or heat the capillary radiation terminal 13 or the floor heating radiation terminal 14; if the operating mode is a normal mode or a high load mode, the controller controls the opening and closing of the electric valve assembly so that the capillary radiation terminal 13 and the floor heating radiation terminal 14 are connected in series and in parallel, and the liquid medium is used to cool or heat the capillary radiation terminal 13 and the floor heating radiation terminal 14 at the same time, so that the floor heating radiation terminal can only use the same temperature for cooling or heating, and mist will not appear on the ground, thereby improving comfort and meeting the indoor temperature requirements of different users. At the same time, the temperature difference between the capillary radiation terminal 13 and the floor heating radiation terminal 14 can be increased, flow rate can be reduced, and energy consumption can be reduced.

[0070] In one embodiment, in order to facilitate floor heating circulation for cooling or heating, the floor heating radiation terminal 14 includes a water distributor 141 and a water collector 142, one end of the water distributor 141 is connected to the electric valve assembly, the other end of the water distributor 141 is connected to one end of the water collector 142, and the other end of the water collector 142 is respectively connected to the electric valve assembly and the return liquid pipe 12.

[0071] Embodiment 2

[0072] Based on the above-mentioned embodiment 1, the difference between the embodiment 2 and the embodiment 1 lies in the specific structure of the electric valve assembly, so the same parts as the embodiment 1 are not repeated. Figure 2As shown, the electric valve assembly includes a first electric valve V1, a second electric valve V2 and a third electric valve V3.

[0073] One end of the first electric valve V1 is connected to the liquid supply pipe 11, the other end of the first electric valve V1 is connected to the first end of the capillary radiation end 13, and the second end of the capillary radiation end 13 is connected to the first end of the third electric valve V3;

[0074] One end of the second electric valve V2 is connected to the liquid supply pipe 11, and the other end of the second electric valve V2 is connected to the first end of the third electric valve V3;

[0075] The second end of the third electric valve V3 is communicated with one end of the water distributor 141 , and the third end of the third electric valve V3 is communicated with the other end of the water collector 142 and the liquid return pipe 12 , respectively.

[0076] The capillary radiation terminal 13 and the floor heating radiation terminal 14 are connected in series and / or in parallel through the first electric valve V1, the second electric valve V2 and the third electric valve V3. The controller controls the opening and closing of the electric valve V1, the second electric valve V2 and the third electric valve V3 according to the operating mode, so that the liquid medium provides cooling or heating for the capillary radiation terminal 13 and / or the floor heating radiation terminal 14, realizing a variety of temperature adjustment modes to meet the indoor temperature requirements of different users.

[0077] In one embodiment, the controller is further configured to:

[0078] If the operation mode is the precooling or preheating mode, one end of the first electric valve V1 is controlled to be connected to the liquid supply pipe 11, the other end of the first electric valve V1 is connected to the first end of the capillary radiation end 13, the second end of the capillary radiation end 13 is connected to the first end of the third electric valve V3, and the third end of the third electric valve V3 is connected to the liquid return pipe 12, or one end of the second electric valve V2 is controlled to be connected to the liquid supply pipe 11, the other end of the second electric valve V2 is connected to the first end of the third electric valve V3, the second end of the third electric valve V3 is connected to the first end of the water distributor 141, the second end of the water distributor 141 is connected to the first end of the water collector 142, and the second end of the water collector 142 is connected to the liquid return pipe 12;

[0079] If the operation mode is the normal mode, one end of the first electric valve V1 is controlled to be connected to the liquid supply pipe 11, the other end of the first electric valve V1 is connected to the first end of the capillary radiation end 13, the second end of the capillary radiation end 13 is connected to the first end of the third electric valve V3, the second end of the third electric valve V3 is connected to the first end of the water distributor 141, the second end of the water distributor 141 is connected to the first end of the water collector 142, and the second end of the water collector 142 is connected to the liquid return pipe 12;

[0080] If the operation mode is high load mode, one end of the first electric valve V1 and one end of the second electric valve V2 are controlled to be connected to the liquid supply pipe 11 respectively, the other end of the first electric valve V1 is connected to the first end of the capillary radiation end 13, the other end of the second electric valve V2 is connected to the first end of the third electric valve V3, the second end of the capillary radiation end 13 is connected to the first end of the third electric valve V3, the second end of the third electric valve V3 is connected to the first end of the water distributor 141, the second end of the water distributor 141 is connected to the first end of the water collector 142, and the second end of the water collector 142 is respectively connected to the third end of the third electric valve V3 and the return liquid pipe 12.

[0081] When receiving a control signal including an operation mode, such as a user triggering a control signal through an indoor control panel, if the operation mode is a pre-cooling or pre-heating mode, the controller controls the first electric valve V1 and the third electric valve V3 to open, and the second electric valve V2 to close, so that the liquid medium flows from the liquid supply pipe 11 through the first electric valve V1, the capillary radiation end 13 and the third electric valve V3 back to the liquid return pipe 12, such as Figure 3 As shown, the liquid medium is used to provide cooling or heating for the capillary radiation end 13; or the controller controls the second electric valve V2 and the third electric valve V3 to open, and the first electric valve V1 to close, so that the liquid medium flows from the liquid supply pipe 11 through the second electric valve V2, the third electric valve V3, the water distributor 141 and the water collector 142 back to the liquid return pipe 12, as shown. Figure 4 As shown, the liquid medium provides cooling or heating for the floor heating radiation terminal 14 .

[0082] If the operation mode is normal mode, the controller controls the first electric valve V1 and the third electric valve V3 to open, and the second electric valve V2 to close, so that the liquid medium flows from the liquid supply pipe 11 through the first electric valve V1, the capillary radiation end 13, the third electric valve V3, the water distributor 141 and the water collector 142 back to the liquid return pipe 12. Figure 5 As shown, the liquid medium provides cooling or heating to the capillary radiation end 13 and the floor heating radiation end 14 at the same time.

[0083] If the operation mode is the high load mode, the controller controls the first electric valve V1, the second electric valve V2 and the third electric valve V3 to open, so that a part of the liquid medium flows through the first electric valve V1 and the capillary radiation end 13 into the third electric valve V3, and another part of the liquid medium flows through the second electric valve V2 into the third electric valve V3, and then flows from the second end of the third electric valve V3 into the water distributor 141, the water collector 142 and the liquid return pipe 12, and part of the liquid medium circulates from the third end of the third electric valve V3 into the water distributor 141, such as Figure 6As shown, the liquid medium is used to provide cooling or heating for the capillary radiation terminal 13 and the floor heating radiation terminal 14 at the same time, and part of the liquid medium of the floor heating radiation terminal 14 is circulated back to the floor heating radiation terminal 14, thereby increasing the temperature difference between the capillary radiation terminal 13 and the floor heating radiation terminal 14, reducing the flow rate, and lowering the energy consumption.

[0084] Embodiment 3

[0085] Based on the above-mentioned embodiment 1, the difference between the embodiment 3 and the embodiment 1 lies in the specific structure of the electric valve assembly, so the same parts as the embodiment 1 are not repeated. Figure 7 As shown, the electric valve assembly includes a fourth electric valve V4, a fifth electric valve V5, a sixth electric valve V6, a seventh electric valve V7, an eighth electric valve V8 and a ninth electric valve V9,

[0086] The fourth electric valve V4, the fifth electric valve V5, the sixth electric valve V6 and the seventh electric valve V7 are connected end to end in sequence, the liquid supply pipe 11 is connected to the connection between the fourth electric valve V4 and the fifth electric valve V5, and the liquid return pipe 12 is connected to the connection between the sixth electric valve V6 and the seventh electric valve V7;

[0087] The first end of the eighth electric valve V8 is communicated with the connection point of the fourth electric valve V4 and the seventh electric valve V7, the second end of the eighth electric valve V8 is communicated with the first end of the capillary radiation end 13, and the third end of the eighth electric valve V8 is communicated with the first end of the ninth electric valve V9 and the first end of the water divider 141 respectively;

[0088] The second end of the water distributor 141 is connected to the first end of the water collector 142, the second end of the water collector 142 is connected to the second end of the ninth electric valve V9, and the third end of the ninth electric valve V9 is connected to the connection between the fifth electric valve V5 and the sixth electric valve V6.

[0089] The capillary radiation terminal 13 and the floor heating radiation terminal 14 are connected in series and / or in parallel through the fourth electric valve V4, the fifth electric valve V5, the sixth electric valve V6, the seventh electric valve V7, the eighth electric valve V8 and the ninth electric valve V9. The controller controls the opening and closing of the fourth electric valve V4, the fifth electric valve V5, the sixth electric valve V6, the seventh electric valve V7, the eighth electric valve V8 and the ninth electric valve V9 according to the operating mode, so that the liquid medium provides cooling or heating for the capillary radiation terminal 13 and / or the floor heating radiation terminal 14, realizing a variety of temperature adjustment modes to meet the indoor temperature requirements of different users.

[0090] In one embodiment, the controller is further configured to:

[0091] If the operation mode is the pre-cooling or preheating mode, one end of the fourth electric valve V4 is controlled to be connected to the liquid supply pipe 11, the other end of the fourth electric valve V4 is connected to the first end of the eighth electric valve V8, the second end of the eighth electric valve V8 is connected to the first end of the capillary radiation end 13, the second end of the capillary radiation end 13 is connected to the first end of the ninth electric valve V9, the third end of the ninth electric valve V9 is connected to one end of the sixth electric valve V6, and the other end of the sixth electric valve V6 is connected to the return liquid pipe 12, or one end of the fifth electric valve V5 is controlled to be connected to the liquid supply pipe 11, the other end of the fifth electric valve V5 is connected to the third end of the ninth electric valve V9, the second end of the ninth electric valve V9 is connected to the second end of the water collector 142, the first end of the water collector 142 is connected to the third end of the eighth electric valve V8, the first end of the eighth electric valve V8 is connected to one end of the seventh electric valve V7, and the other end of the seventh electric valve V7 is connected to the return liquid pipe 12.

[0092] When receiving a control signal including an operation mode, such as a user triggering a control signal through an indoor control panel, if the operation mode is a pre-cooling or pre-heating mode, the controller controls the fourth electric valve V4, the sixth electric valve V6, the eighth electric valve V8 and the ninth electric valve V9 to open, and the fifth electric valve V5 and the seventh electric valve V7 to close, so that the liquid medium flows from the liquid supply pipe 11 through the fourth electric valve V4, the eighth electric valve V8, the capillary radiation end 13, the ninth electric valve V9 and the sixth electric valve V6 back to the liquid return pipe 12, such as Figure 8 As shown, the liquid medium is used to provide cooling or heating for the capillary radiation end 13; or the controller controls the fifth electric valve V4, the seventh electric valve V7, the eighth electric valve V8 and the ninth electric valve V9 to be opened, and the fourth electric valve V5 and the sixth electric valve V6 to be closed, so that the liquid medium flows from the liquid supply pipe 11 through the fifth electric valve V5, the ninth electric valve V9, the water collector 142, the water distributor 141, the eighth electric valve V8 and the seventh electric valve V7 to flow back to the liquid return pipe 12, as shown. Fig. 9 As shown, the liquid medium provides cooling or heating for the floor heating radiation terminal 14 .

[0093] In one embodiment, the controller is further configured to:

[0094] Get the outdoor temperature;

[0095] If the operation mode is normal mode, and the outdoor temperature meets the preset first temperature threshold, one end of the fourth electric valve V4 is controlled to be connected to the liquid supply pipe 11, the other end of the fourth electric valve V4 is connected to the first end of the eighth electric valve V8, the second end of the eighth electric valve V8 is connected to the first end of the capillary radiation end 13, the second end of the capillary radiation end 13 is connected to the first end of the water distributor 141, the second end of the water distributor 141 is connected to the first end of the water collector 142, the second end of the water collector 142 is connected to the second end of the ninth electric valve V9, the third end of the ninth electric valve V9 is connected to one end of the sixth electric valve V6, and the other end of the sixth electric valve V6 is connected to the liquid return pipe 12;

[0096] If the operating mode is normal mode and the outdoor temperature meets the preset second temperature threshold, one end of the fifth electric valve V5 is controlled to be connected with the liquid supply pipe 11, the other end of the fifth electric valve V5 is connected with the third end of the ninth electric valve V9, the second end of the ninth electric valve V9 is connected with the second end of the water collector 142, the first end of the water collector 142 is connected with the second end of the water distributor 141, the first end of the water distributor 141 is connected with the second end of the capillary radiation end 13, the first end of the capillary radiation end 13 is connected with the second end of the eighth electric valve V8, the first end of the eighth electric valve V8 is connected with one end of the seventh electric valve V7, the other end of the seventh electric valve V7 is connected with the return liquid pipe 12, and the second temperature threshold is less than the first temperature threshold.

[0097] When the operation mode received by the controller is the normal mode, the controller obtains the outdoor temperature. If the outdoor temperature meets the first temperature threshold, the controller controls the fourth electric valve V4, the sixth electric valve V6, the eighth electric valve V8 and the ninth electric valve V9 to open, and the fifth electric valve V5 and the seventh electric valve V7 to close, so that the liquid medium flows from the liquid supply pipe 11 through the fourth electric valve V4, the eighth electric valve V8, the capillary radiation end 13, the water distributor 141, the water collector 142, the ninth electric valve V9 and the sixth electric valve V6 back to the liquid return pipe 12, as shown in FIG. Fig.10 As shown, the liquid medium first provides cooling or heating for the capillary radiation terminal 13 and then provides cooling or heating for the floor heating radiation terminal 14 , thereby realizing step-by-step cooling or heating for the capillary radiation terminal 13 and the floor heating radiation terminal 14 .

[0098] If the outdoor temperature meets the second temperature threshold, the controller controls the fifth electric valve V4, the seventh electric valve V7, the eighth electric valve V8 and the ninth electric valve V9 to open, and the fourth electric valve V5 and the sixth electric valve V6 to close, so that the liquid medium flows from the liquid supply pipe 11 through the fifth electric valve V5, the ninth electric valve V9, the water collector 142, the water distributor 141, the capillary radiation end 13, the eighth electric valve V8 and the seventh electric valve V7 back to the liquid return pipe 12, as shown in FIG. Fig.11As shown, the liquid medium first provides cooling or heating for the floor heating radiation terminal 14 , and then provides cooling or heating for the capillary radiation terminal 13 , thereby realizing step-by-step cooling or heating for the capillary radiation terminal 13 and the floor heating radiation terminal 14 .

[0099] In one embodiment, the controller is further configured to:

[0100] If the operation mode is the high load mode, and the outdoor temperature meets the first temperature threshold, one end of the fourth electric valve V4 is controlled to be connected to the liquid supply pipe 11, the other end of the fourth electric valve V4 is connected to the first end of the eighth electric valve V8, the second end of the eighth electric valve V8 is respectively connected to the first end of the capillary radiation end 13 and the first end of the water divider 141, the second end of the capillary radiation end 13 is connected to the first end of the water divider 141, the second end of the water divider 141 is connected to the first end of the water collector 142, the second end of the water collector 142 is connected to the second end of the ninth electric valve V9, the third end of the ninth electric valve V9 is connected to one end of the sixth electric valve V6, and the other end of the sixth electric valve V6 is connected to the liquid return pipe 12;

[0101] If the operating mode is high load mode and the outdoor temperature meets the second temperature threshold, one end of the fifth electric valve V5 is controlled to be connected to the liquid supply pipe 11, the other end of the fifth electric valve V5 is connected to the third end of the ninth electric valve V9, the second end of the ninth electric valve V9 is connected to the second end of the water collector 142, the first end of the ninth electric valve V9 is connected to the second end of the capillary radiation end 13, the first end of the water collector 142 is connected to the second end of the water distributor 141, the first end of the water distributor 141 is connected to the second end of the capillary radiation end 13, the first end of the capillary radiation end 13 is connected to the second end of the eighth electric valve V8, the first end of the eighth electric valve V8 is connected to one end of the seventh electric valve V7, and the other end of the seventh electric valve V7 is connected to the return liquid pipe 12.

[0102] When the operation mode received by the controller is the high load mode, and the outdoor temperature meets the first temperature threshold, the controller controls the fourth electric valve V4, the sixth electric valve V6, the eighth electric valve V8 and the ninth electric valve V9 to open, and the fifth electric valve V5 and the seventh electric valve V7 to close, so that the liquid medium flows from the liquid supply pipe 11 through the fourth electric valve V4 into the eighth electric valve V8, a part of the liquid medium of the eighth electric valve V8 flows through the capillary radiation end 13 and the water divider 141, and another part of the liquid medium of the eighth electric valve V8 also flows into the water divider 141, and then flows into the water collector 142, and flows back to the return pipe 12 through the ninth electric valve V9 and the sixth electric valve V6, as shown in FIG. Fig.12As shown, the liquid medium first provides cooling or heating for the capillary radiation end 13 and the floor heating radiation end 14 at the same time, and then the liquid medium flowing through the capillary radiation end 13 flows into the floor heating radiation end 14, thereby increasing the temperature difference between the capillary radiation end 13 and the floor heating radiation end 14, reducing the flow rate and lowering the energy consumption.

[0103] When the operating mode received by the controller is the high load mode, and the outdoor temperature meets the second temperature threshold, the controller controls the fifth electric valve V4, the seventh electric valve V7, the eighth electric valve V8 and the ninth electric valve V9 to open, and the fourth electric valve V5 and the sixth electric valve V6 to close, so that the liquid medium flows from the liquid supply pipe 11 through the fifth electric valve V5 into the ninth electric valve V9, a part of the liquid medium of the ninth electric valve V9 flows through the water collector 142, the water distributor 141 and the capillary radiation end 13, and another part of the liquid medium of the ninth electric valve V9 also flows into the capillary radiation end 13, and flows back to the return pipe 12 through the eighth electric valve V8 and the seventh electric valve V7, as shown in FIG. Fig.13 As shown, the liquid medium first provides cooling or heating for the capillary radiation end 13 and the floor heating radiation end 14 at the same time, and then the liquid medium flowing through the floor heating radiation end 14 flows into the capillary radiation end 13, thereby increasing the temperature difference between the capillary radiation end 13 and the floor heating radiation end 14, reducing the flow rate, and reducing energy consumption.

[0104] Embodiment 4

[0105] like Fig.14 As shown, Fig.14 A flowchart of a control method for an air conditioning radiation terminal system provided in Embodiment 4 of the present invention includes:

[0106] Step S1401: receiving a control signal including an operation mode, where the operation mode includes a pre-cooling and pre-heating mode, a normal mode, and a high-load mode;

[0107] Step S1402: Control the electric valve assembly of the air conditioning radiation terminal system according to the operation mode, so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation terminal and / or the floor heating radiation terminal.

[0108] Specifically, when the user triggers a control signal through the indoor control panel, the controller executes step S1401 to receive a control signal including an operating mode, and then executes step S1402 to control the valve state of the electric valve assembly so that the capillary radiation end and the floor heating radiation end are connected in series and / or in parallel, thereby realizing a variety of temperature adjustment modes, such as adjusting the temperature of the capillary radiation end alone, adjusting the temperature of the floor heating radiation end alone, adjusting the temperature of the capillary radiation end and the floor heating radiation end at the same time, and recycling the floor heating radiation end to adjust the temperature, etc., to provide cooling or heating for the capillary radiation end and / or the floor heating radiation end, and when the operating mode is a high load mode, the temperature difference between the capillary radiation end and the floor heating radiation end can be increased, the flow rate can be reduced, and the energy consumption can be reduced.

[0109] In this embodiment, when a control signal including an operating mode is received, the controller controls the electric valve assembly so that the capillary radiation end and the floor heating radiation end are connected in series and / or in parallel, thereby realizing a variety of temperature adjustment modes, providing cooling or heating for the capillary radiation end and / or the floor heating radiation end, avoiding the floor heating radiation end having to use only the same temperature for cooling or heating, preventing mist from appearing on the ground, improving comfort, and meeting the indoor temperature requirements of different users. When the operating mode is a high load mode, the temperature difference between the capillary radiation end and the floor heating radiation end can be increased, thereby reducing flow and reducing energy consumption.

[0110] The technical solution of the present invention further provides an air-conditioning system, comprising the air-conditioning radiation terminal system as described above.

[0111] The above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, rather than to limit them. Although the embodiments of the present invention are described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An air conditioning radiation terminal system, characterized in that: It includes a controller, a liquid supply pipe, a liquid return pipe, an electric valve assembly, a capillary radiation end and a floor heating radiation end. The first end of the capillary radiation end is connected to the liquid supply pipe through the electric valve assembly, and the second end of the capillary radiation end is connected to the floor heating radiation end and / or the liquid return pipe through the electric valve assembly; The first end of the floor heating radiation terminal is connected to the liquid supply pipe through the electric valve assembly, and the second end of the floor heating radiation terminal is connected to the liquid return pipe; The controller is communicatively connected with the electric valve assembly, and controls the electric valve assembly according to a received operating mode so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation end and / or the floor heating radiation end. The operating mode includes a precooling and preheating mode, a normal mode, and a high load mode.

2. The air conditioning radiation terminal system according to claim 1, characterized in that: The controller is also used for: If the operation mode is the precooling and preheating mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end, or to allow the liquid medium to adjust the temperature of the floor heating radiation end; If the operation mode is the normal mode or the high load mode, the electric valve assembly is controlled to allow the liquid medium to adjust the temperature of the capillary radiation end and the floor heating radiation end.

3. The air conditioning radiation terminal system according to claim 1 or 2, characterized in that: The floor heating radiation end includes a water distributor and a water collector, one end of the water distributor is connected to the electric valve assembly, the other end of the water distributor is connected to one end of the water collector, and the other end of the water collector is respectively connected to the electric valve assembly and the return liquid pipe.

4. The air conditioning radiation terminal system according to claim 3, characterized in that: The electric valve assembly includes a first electric valve, a second electric valve and a third electric valve. One end of the first electric valve is communicated with the liquid supply pipe, the other end of the first electric valve is communicated with the first end of the capillary radiation end, and the second end of the capillary radiation end is communicated with the first end of the third electric valve; One end of the second electric valve is communicated with the liquid supply pipe, and the other end of the second electric valve is communicated with the first end of the third electric valve; The second end of the third electric valve is communicated with one end of the water distributor, and the third end of the third electric valve is communicated with the other end of the water collector and the liquid return pipe respectively.

5. The air conditioning radiation terminal system according to claim 4, characterized in that: The controller is also used for: If the operation mode is the precooling and preheating mode, one end of the first electric valve is controlled to be connected to the liquid supply pipe, the other end of the first electric valve is connected to the first end of the capillary radiation end, the second end of the capillary radiation end is connected to the first end of the third electric valve, and the third end of the third electric valve is connected to the liquid return pipe, or one end of the second electric valve is controlled to be connected to the liquid supply pipe, the other end of the second electric valve is connected to the first end of the third electric valve, the second end of the third electric valve is connected to the first end of the water distributor, the second end of the water distributor is connected to the first end of the water collector, and the second end of the water collector is connected to the liquid return pipe; If the operation mode is the normal mode, one end of the first electric valve is controlled to be connected to the liquid supply pipe, the other end of the first electric valve is controlled to be connected to the first end of the capillary radiation end, the second end of the capillary radiation end is controlled to be connected to the first end of the third electric valve, the second end of the third electric valve is controlled to be connected to the first end of the water distributor, the second end of the water distributor is controlled to be connected to the first end of the water collector, and the second end of the water collector is controlled to be connected to the liquid return pipe; If the operating mode is the high load mode, one end of the first electric valve and one end of the second electric valve are controlled to be connected to the liquid supply pipe respectively, the other end of the first electric valve is connected to the first end of the capillary radiation end, the other end of the second electric valve is connected to the first end of the third electric valve, the second end of the capillary radiation end is connected to the first end of the third electric valve, the second end of the third electric valve is connected to the first end of the water distributor, the second end of the water distributor is connected to the first end of the water collector, and the second end of the water collector is respectively connected to the third end of the third electric valve and the liquid return pipe.

6. The air conditioning radiation terminal system according to claim 3, characterized in that: The electric valve assembly includes a fourth electric valve, a fifth electric valve, a sixth electric valve, a seventh electric valve, an eighth electric valve and a ninth electric valve, The fourth electric valve, the fifth electric valve, the sixth electric valve and the seventh electric valve are connected end to end in sequence, the liquid supply pipe is connected to the connection between the fourth electric valve and the fifth electric valve, and the liquid return pipe is connected to the connection between the sixth electric valve and the seventh electric valve; The first end of the eighth electric valve is communicated with the connection between the fourth electric valve and the seventh electric valve, the second end of the eighth electric valve is communicated with the first end of the capillary radiation end, and the third end of the eighth electric valve is communicated with the first end of the ninth electric valve and the first end of the water divider respectively; The second end of the water distributor is communicated with the first end of the water collector, the second end of the water collector is communicated with the second end of the ninth electric valve, and the third end of the ninth electric valve is communicated with the connection between the fifth electric valve and the sixth electric valve.

7. The air conditioning radiation terminal system according to claim 6, characterized in that: The controller is also used for: If the operating mode is the pre-cooling and preheating mode, one end of the fourth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fourth electric valve is connected to the first end of the eighth electric valve, the second end of the eighth electric valve is connected to the first end of the capillary radiation end, the second end of the capillary radiation end is connected to the first end of the ninth electric valve, the third end of the ninth electric valve is connected to one end of the sixth electric valve, and the other end of the sixth electric valve is connected to the return pipe, or one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the water collector is connected to the third end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the return pipe.

8. The control method according to claim 6 or 7, characterized in that: The controller is also used for: Get the outdoor temperature; If the operation mode is the normal mode, and the outdoor temperature meets the preset first temperature threshold, control one end of the fourth electric valve to be connected to the liquid supply pipe, the other end of the fourth electric valve to be connected to the first end of the eighth electric valve, the second end of the eighth electric valve to be connected to the first end of the capillary radiation end, the second end of the capillary radiation end to be connected to the first end of the water distributor, the second end of the water distributor to be connected to the first end of the water collector, the second end of the water collector to be connected to the second end of the ninth electric valve, the third end of the ninth electric valve to be connected to one end of the sixth electric valve, and the other end of the sixth electric valve to be connected to the liquid return pipe; If the operating mode is the normal mode and the outdoor temperature meets the preset second temperature threshold, one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the water collector is connected to the second end of the water distributor, the first end of the water distributor is connected to the second end of the capillary radiation end, the first end of the capillary radiation end is connected to the second end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the liquid return pipe, and the second temperature threshold is less than the first temperature threshold.

9. The control method according to claim 8, characterized in that: The controller is also used for: If the operation mode is the high load mode, and the outdoor temperature meets the first temperature threshold, control one end of the fourth electric valve to be connected to the liquid supply pipe, the other end of the fourth electric valve to be connected to the first end of the eighth electric valve, the second end of the eighth electric valve to be connected to the first end of the capillary radiation end and the first end of the water distributor respectively, the second end of the capillary radiation end to be connected to the first end of the water distributor, the second end of the water distributor to be connected to the first end of the water collector, the second end of the water collector to be connected to the second end of the ninth electric valve, the third end of the ninth electric valve to be connected to one end of the sixth electric valve, and the other end of the sixth electric valve to be connected to the liquid return pipe; If the operating mode is the high load mode and the outdoor temperature meets the second temperature threshold, one end of the fifth electric valve is controlled to be connected to the liquid supply pipe, the other end of the fifth electric valve is connected to the third end of the ninth electric valve, the second end of the ninth electric valve is connected to the second end of the water collector, the first end of the ninth electric valve is connected to the second end of the capillary radiation end, the first end of the water collector is connected to the second end of the water distributor, the first end of the water distributor is connected to the second end of the capillary radiation end, the first end of the capillary radiation end is connected to the second end of the eighth electric valve, the first end of the eighth electric valve is connected to one end of the seventh electric valve, and the other end of the seventh electric valve is connected to the liquid return pipe.

10. A control method for an air conditioning radiation terminal system according to any one of claims 1 to 9, characterized in that: include: receiving a control signal including an operation mode, wherein the operation mode includes a precooling and preheating mode, a normal mode, and a high load mode; The electric valve assembly of the air conditioning radiation terminal system is controlled according to the operating mode, so that the liquid medium in the liquid supply pipe adjusts the temperature of the capillary radiation terminal and / or the floor heating radiation terminal.

11. An air conditioning system, characterized in that: It comprises the air conditioning radiation terminal system as described in any one of claims 1 to 9.

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