CN211575340U - Constant temperature and humidity air conditioning system for cooling variable frequency multi-connected floor heating air duct machine - Google Patents

Constant temperature and humidity air conditioning system for cooling variable frequency multi-connected floor heating air duct machine Download PDF

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Publication number
CN211575340U
CN211575340U CN201922269642.2U CN201922269642U CN211575340U CN 211575340 U CN211575340 U CN 211575340U CN 201922269642 U CN201922269642 U CN 201922269642U CN 211575340 U CN211575340 U CN 211575340U
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cooling
pipe
heating
electronic expansion
heat exchanger
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陈小爽
陈万仁
段建磊
杨凯
许娇娇
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Zhengzhou Ruibang Precision Machinery Manufacturing Co ltd
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Zhengzhou Ruibang Precision Machinery Manufacturing Co ltd
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Abstract

The utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling for solve air conditioning unit installation and debugging complicated loaded down with trivial details, excessive dehumidification and cause the individualized demand of the temperature and humidity that the wasting of resources can't satisfy single room and can not solve the dehumidification scheduling problem when supporting with floor radiation refrigeration heating system well. The utility model discloses a compressor arrangement, heat transfer device, throttling arrangement and cooling heating device, cooling heating device includes cooling dehumidification unit and heating unit, compressor arrangement, heat transfer device and throttling arrangement connect the main control board, and the main control board is connected with the branch controller, divide the controller to be connected with temperature-sensing probe I, humidity inductive probe and temperature-sensing probe II. The utility model discloses can provide different energy supply according to the different demands in single room, outdoor host computer also can be according to indoor demand change operation conditions in good time, can satisfy energy supply and can energy-conserving operation again.

Description

Constant temperature and humidity air conditioning system for cooling variable frequency multi-connected floor heating air duct machine
Technical Field
The utility model relates to an indoor refrigeration heating technical field, concretely relates to constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling.
Background
At present, with the rapid development of technological innovation and manufacturing technology, a digital scroll compressor and a two-stage compression compressor are introduced in the field of heat pump compressors, so that a heat pump system can stably operate at an outdoor temperature of below-30 ℃, has high operation energy efficiency ratio and operation stability, and opens up a new way for the use of a wind source heat pump in the field of heating. In patents with application numbers ZL 200820071027, X, ZL201010502398.0, ZL201220275353.9, ZL201220275358.1, ZL200820071026.5 and the like, intensive research is carried out on phase change radiation heating and the like, and although corresponding system results are obtained, cooling, heating and operation are energy-saving and stable, an outdoor unit is an air conditioning system with fixed frequency, single machine power is low, and a room with a plurality of units needs to be heated, cooled and dehumidified by co-coordination of a plurality of air conditioners. With the changing of the demand and the changing of the style and appearance of the building, the owners or building units do not allow to hang a plurality of outdoor units on the outer vertical surfaces. The adoption of the frequency conversion system is simple and practical, and a large-scale frequency conversion direct expansion cooling and heating central air conditioning system is very needed in many places in wide areas of China. The traditional fixed-frequency heat pump cannot perform dehumidification while directly expanding and cooling on a floor, and cannot meet the individual requirements of temperature and humidity of a single room; traditional air conditioning unit dehumidifies through refrigerating operation to indoor cooling simultaneously summer, often appears like this and causes the excessive dehumidification in order to reduce indoor temperature, and people's sensation is uncomfortable and causes the energy extravagant. The large-scale air duct machine system has complex pipeline installation and high installation cost, the air supply or return air quantity is greatly influenced when the conveying distance is longer, the cold quantity or heat quantity of the heat exchanger connected with the main machine cannot be discharged in time, the bad phenomena of icing and the like are caused, the working state of the system is unstable, and the system is not mature for a dehumidifying unit matched with a floor phase-change radiation refrigerating and heating system. If the existing unit needs to supply circulating media to a radiant heating, cooling and heat exchange system of a floor or a wallboard and needs 2-3 units for circulating dehumidification and the like, the installation and debugging are very complicated, and the problems of dehumidification and the like when the existing unit or system is matched with a radiant floor cooling and heating system cannot be well solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is complicated loaded down with trivial details to air conditioning unit installation and debugging, excessive dehumidification causes the wasting of resources, can't satisfy the individualized demand of temperature and humidity in single room and can not solve the dehumidification scheduling problem when supporting with floor radiation refrigeration heating system well, the constant temperature and humidity air conditioning system who provides a frequency conversion multiplex floor heating tuber pipe machine cooling, the realization adopts floor heating winter, adopt floor and tuber pipe machine to cool down the cooling heating dehumidification that dehumidifies summer, can provide different energy supplies according to the different demands in single room simultaneously, outdoor host computer also can be according to indoor demand change operation situation in good time, can satisfy energy supply and can energy-conserving operation again.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling, includes compressor arrangement, heat transfer device, throttling arrangement and cooling heating device, compressor arrangement, heat transfer device, throttling arrangement and cooling heating device series connection in proper order, and wherein compressor arrangement and heat transfer device all set up in outdoor host computer, and cooling heating device sets up indoor, cooling heating device is including cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallelly connected setting of heating unit, compressor arrangement, heat transfer device and the equal connection director of throttling arrangement, the controller is connected with temperature-sensing probe I that is used for detecting indoor temperature, is used for detecting the humidity inductive probe of indoor humidity and is used for detecting the temperature-sensing probe II of floor temperature.
The compression device comprises a compressor, the compressor is respectively connected with a four-way valve and a liquid storage tank, the four-way valve is connected with the liquid storage tank, the four-way valve is connected with a heat exchange device, the four-way valve is connected with the heating unit through a liquid supply pipe, and the compressor and the four-way valve are both connected with a controller; the heat exchange device comprises a heat exchanger I and a fan I matched with the heat exchanger I, the fan I is connected with the controller, the heat exchanger I is connected with the four-way valve, and the heat exchanger I is respectively connected with the cooling and dehumidifying unit and the heating unit through liquid return pipes; the throttling device comprises an electronic expansion valve I, the electronic expansion valve I is connected with the heat exchanger I, the electronic expansion valve I is connected with the cooling and dehumidifying unit through a liquid return pipe, and the electronic expansion valve I is connected with the controller.
The cooling and dehumidifying unit comprises an indoor air duct machine, a heat exchanger II and a fan II matched with the heat exchanger II are arranged in the indoor air duct machine, the fan II is connected with the controller, a temperature sensing probe III is arranged on the front portion, the middle portion and the rear portion of a fluorine pipe pipeline of one end, connected with a liquid return pipe, of the heat exchanger II, and the temperature sensing probe III is connected with the controller.
The controller includes main control panel and branch controller, and divides the controller to be connected with the main control panel, and the main control panel is installed in the casing inboard of outdoor host computer, divides the controller to install in the casing inboard of indoor tuber pipe machine, compressor, cross valve, fan I and electronic expansion valve I all are connected with the main control panel, and temperature sensing probe I, humidity inductive probe, temperature sensing probe II, temperature sensing probe III and fan II all are connected with branch controller.
The heating unit is respectively connected with the heat exchanger II and the liquid supply pipe through a three-way pipe II and is respectively connected with the heat exchanger II and the liquid return pipe through a three-way pipe I; the main part of the three-way pipe I is connected with the liquid return pipe, one branch of the three-way pipe I is connected with the heating unit, and the other branch of the three-way pipe I is connected with the heat exchanger II through a connecting pipe; the main part of the three-way pipe II is connected with the liquid supply pipe, one branch of the three-way pipe II is connected with the heating unit, and the other branch of the three-way pipe II is connected with the heat exchanger II through a connecting pipe.
An electronic expansion valve IV is arranged on one branch of the three-way pipe I, an electronic expansion valve II is arranged on the other branch of the three-way pipe I, the electronic expansion valve IV is connected with the heating unit, the electronic expansion valve II is connected with the heat exchanger II, an electronic expansion valve V is arranged on one branch of the three-way pipe II, an electronic expansion valve III is arranged on the other branch of the three-way pipe II, the electronic expansion valve V is connected with the heating unit, the electronic expansion valve III is connected with the heat exchanger II, and the electronic expansion valve II, the electronic expansion valve III, the electronic expansion valve IV and the electronic expansion valve V are all.
A filter is arranged between the four-way valve and the liquid supply pipe, a stop valve I is arranged on the liquid return pipe, a stop valve II is arranged on the liquid supply pipe, and the stop valve II is positioned between the filter and the heating unit; and the heat preservation cotton is wrapped outside the pipelines connected among the heat exchanger I, the compressor, the electronic expansion valve I, the stop valve I and the stop valve II and outside the electronic expansion valve I, the electronic expansion valve II, the electronic expansion valve III, the electronic expansion valve IV and the electronic expansion valve V.
The heating unit comprises an underground coil pipe, the outlet end of the underground coil pipe is respectively connected with a heat exchanger II and a liquid return pipe through a three-way pipe I, and the inlet end of the underground coil pipe is respectively connected with a heat exchanger II and a liquid supply pipe through a three-way pipe II.
The utility model discloses a heat exchanger, including heat exchanger II, return pipe, inlet end, supply cold heating apparatus, every group cooling heating apparatus includes that the supply cold dehumidifies unit and heating unit, and supply cold dehumidifies unit and the parallelly connected setting of heating unit, the heating unit buries the coil pipe including ground, and the exit end that buries the coil pipe passes through three-way pipe I to be connected with heat exchanger II and return pipe respectively, the inlet end passes through three-way pipe II and is connected with heat exchanger II and feed pipe respectively.
The cooling and heating device is provided with two sets at least, and parallel connection in proper order, and every group cooling and heating device includes cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallel arrangement of heating unit, the heating unit includes 2 and buries the coil pipe, and parallel connection, 2 the exit end of burying the coil pipe pass through three-way pipe I respectively with heat exchanger II with return liquid piping connection, the entrance point passes through three-way pipe II and is connected with heat exchanger II and feed pipe respectively.
The utility model with the structure can supply circulating medium to the working medium direct-supply radiant heating, cooling and heat exchange system of the floor or the wall board, and can also circulate indoor wind, so that the floor heating is adopted in winter, and the floor and the ducted air conditioner are adopted to cool and dehumidify in summer, and meanwhile, different energy supplies can be provided according to different requirements of a single room, and an outdoor host can change the operation condition in due time according to the indoor requirements, thereby not only meeting the energy supply but also saving energy for operation, and meeting the requirements of dehumidification, refrigeration and heating; the utility model discloses installation convenient to use, working property are stable, input power is little, efficiency relative altitude, energy-concerving and environment-protective and the noise is low, have very strong practicality.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure, 1 is an outdoor host machine 1, 2 is a heat exchanger I, 4 is a compressor, 5 is a four-way valve, 6 is a main control panel, 8 is a fan I, 9 is a liquid return pipe, 10 is a liquid supply pipe, 11 is an electronic expansion valve II, 12 is an electronic expansion valve III, 13 is an electronic expansion valve IV, 14 is an electronic expansion valve V, 16 is a sub-controller, 17 is an indoor air pipe machine, 18 is a heat exchanger II, 19 is a fan II, 22 is a temperature sensing probe II, 25 is a temperature sensing probe I, 26 is a humidity sensing probe, 27 is a temperature sensing probe III, 40 is a buried coil pipe, 61 is a liquid storage tank, 62 is a filter, 63 is a stop valve I, 64 is a stop valve II, 70 is an electronic expansion valve I, 94 is a three-way pipe I, and 95 is a three-way pipe II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling, including compressor arrangement, heat transfer device, throttling arrangement and cooling heating device, wherein compressor arrangement and heat transfer device all set up in outdoor host computer 1, and cooling heating device sets up indoor, compressor arrangement, heat transfer device, throttling arrangement and cooling heating device series connection in proper order, cooling heating device includes cooling dehumidification unit and heating unit, and cooling dehumidification unit and heating unit parallel arrangement to the realization relies on working medium direct supply floor (wallboard, floor) heat transfer system to heat up or the cooling processing on the floor to and tuber pipe machine filters indoor circulating air, dehumidifies, cools down, intensifies the processing such as, realizes the cooling of indoor system, heating and dehumidification demand.
The compression device, the heat exchange device and the throttling device are all connected with a controller, the controller is connected with a temperature sensing probe I25 for detecting indoor temperature, a humidity sensing probe 26 for detecting indoor humidity and a temperature sensing probe II 22 for detecting floor temperature, specifically, the controller comprises a main control board 6 and a sub-controller 16, the sub-controller 16 is connected with the main control board 6, the main control board 6 is installed on the inner side of a shell of the outdoor host 1, the compression device, the heat exchange device and the throttling device are all connected with the main control board 6, the temperature sensing probe I22, the temperature sensing probe II 25 and the humidity sensing probe 26 are all connected with the sub-controller 16, the sub-controller 16 is used for receiving information detected by the temperature sensing probe I22, the temperature sensing probe II 25 and the humidity sensing probe 26, and the main control board 6 is used for controlling the compression device, The working state of the heat exchange device and the throttling device. The sub-controller 16 is connected with the control device in a wired or wireless mode, the sub-controller 16 can be used for controlling indoor temperature parameters, a startup and shutdown state, function selection and the like, meanwhile, the sub-controller 16 can also feed back information detected by the temperature sensing probe I22, the temperature sensing probe II 25 and the humidity sensing probe 26 to the control device for a user to check, the user can also send an instruction to the sub-controller 16 through the control device to complete setting of related parameters, meanwhile, the sub-controller 16 transmits the information to the main control board 6 after receiving the instruction, and the main control board 6 controls the compression device, the heat exchange device and the throttling device to work, so that mutual conversion of refrigeration and heating and automatic adjustment or change of the supply state of energy are realized. The inside of the shell of the outdoor host 1 is also provided with a power supply, the compression device, the heat exchange device, the throttling device, the main control panel 6 and the sub-controller 16 are all connected with the power supply, and the power supply supplies power to the compression device, the heat exchange device, the throttling device, the main control panel 6 and the sub-controller 16 in the power-on state.
The compression device comprises a compressor 4, the compressor 4 is respectively connected with a four-way valve 5 and a liquid storage tank 61, the four-way valve 5 is connected with the liquid storage tank 61, the compressor 4 and the four-way valve 5 are both connected with a main control panel 6, and the main control panel 6 controls the compressor 4 and the four-way valve 5 to work, so that the interconversion between the refrigeration and the heating is realized. The four-way valve 5 is connected with a heat exchange device, the four-way valve 5 is connected with a heating unit through a liquid supply pipe 10, specifically, the heat exchange device comprises a heat exchanger I2 and a fan I8 matched with the heat exchanger I2, the fan I8 is connected with a main control panel 6, and the fan I8 is favorable for promoting the heat exchange process of the heat exchanger I2, so that the indoor air continuously circularly flows to achieve the purpose of heating. The heat exchanger I2 is connected with the four-way valve 5, and the heat exchanger I2 is respectively connected with the cooling and dehumidifying unit and the heating unit through the liquid return pipe 9, so that the functions of refrigeration, dehumidification, heating and the like are realized; the liquid storage tank 61 is used for storing the condensate of the heat exchanger I2, and the condensate is prevented from being accumulated in the heat exchanger I2 too much to reduce the heat transfer area and influence the heat transfer effect of the heat exchanger I2. The throttling device comprises an electronic expansion valve I70, the electronic expansion valve I70 is connected with a heat exchanger I2, the electronic expansion valve I70 is connected with a cooling and dehumidifying unit through a liquid return pipe 9, the electronic expansion valve I70 is connected with a main control board 6, the electronic expansion valve I70 can timely adjust the flow of refrigerant in the heat exchanger I2 under the control of the main control board 6, and the target superheat degree is controlled, so that the compressor 4 is prevented from being damaged along with liquid impact when the compressor 4 sucks air, the service life of the compressor 4 is prolonged, and the stable operation of the whole system is ensured.
The cooling and dehumidifying unit comprises an indoor air duct machine 17, a heat exchanger II 18 and a fan II 19 matched with the heat exchanger II 18 are arranged in the indoor air duct machine 17, the fan II 19 is connected with a branch controller 16, the fan II 19 is connected with the branch controller 16, and the fan II 19 is favorable for promoting the heat exchange process of the heat exchanger II 18, so that indoor air continuously circulates and flows, and the purpose of heating is achieved. The heat exchanger II 18 is respectively connected with the liquid return pipe 9 and the heating unit through a three-way pipe I94, and is respectively connected with the liquid supply pipe 10 and the heating unit through a three-way pipe II 95, so that the interconversion of refrigeration or heating is realized. Preferably, temperature sensing probes III 27 are arranged at the front part, the middle part and the rear part of the fluorine pipe pipeline at one end of the heat exchanger II 18 connected with the liquid return pipe 9, and the temperature sensing probes III 27 are connected with the sub-controller 16. The temperature sensing probe III 27 is used for sensing the temperature of a refrigerant in a fluorine pipe of the heat exchanger II 18 and transmitting detection information to the sub-controller 16, and the sub-controller 16 adjusts and sets related parameters according to the detected temperature information.
The heating unit is respectively connected with the heat exchanger II 18 and the liquid supply pipe 10 through a three-way pipe II 95, and is respectively connected with the heat exchanger II 18 and the liquid return pipe 9 through a three-way pipe I94, specifically, the heating unit comprises a buried coil pipe 40, the outlet end of the buried coil pipe 40 is respectively connected with the heat exchanger II 18 and the liquid return pipe 9 through a three-way pipe I94, and the inlet end of the buried coil pipe 40 is respectively connected with the heat exchanger II 18 and the liquid supply pipe 10 through a three-way pipe II 95, so that heating liquid can uniformly and stably circulate, and uniform floor heating is realized. Specifically, the main part of the three-way pipe I94 is connected with the liquid return pipe 9, one branch of the three-way pipe I94 is connected with the heating unit, and the other branch is connected with the heat exchanger II 18 through a connecting pipe; the main part of the three-way pipe II 95 is connected with the liquid supply pipe 10, one branch of the three-way pipe II 95 is connected with the heating unit, and the other branch is connected with the heat exchanger II 18 through a connecting pipe. As a further preferred scheme, an electronic expansion valve iv 13 is arranged on one branch of the three-way pipe i 94, an electronic expansion valve ii 11 is arranged on the other branch, the electronic expansion valve iv 13 is connected with the heating unit, the electronic expansion valve ii 11 is connected with the heat exchanger ii 18, an electronic expansion valve v 14 is arranged on one branch of the three-way pipe ii 95, an electronic expansion valve iii 12 is arranged on the other branch, the electronic expansion valve v 14 is connected with the heating unit, the electronic expansion valve iii 12 is connected with the heat exchanger ii 18, the electronic expansion valve ii 11, the electronic expansion valve iii 12, the electronic expansion valve iv 13 and the electronic expansion valve v 14 are all connected with the sub-controller 16, the electronic expansion valve ii 11, the electronic expansion valve iii 12, the electronic expansion valve iv 13 and the electronic expansion valve v 14 are used as control switches to control the liquid flow and the flow direction, thereby, and the stable operation of the whole system is ensured.
A filter 62 is arranged between the four-way valve 5 and the liquid supply pipe 10, and the filter 62 can filter impurities in a pipeline of the refrigeration system, and can be used for storing and supplying liquid refrigerant in the refrigeration system, and compensating and adjusting the profit and loss of the liquid refrigerant in time. The liquid return pipe 9 is provided with a stop valve I63, the liquid supply pipe 10 is provided with a stop valve II 64, the stop valve II 64 is positioned between the filter 62 and the heating unit, and the stop valve I63 and the stop valve II 64 are respectively used for controlling the flow direction of refrigerant in the outdoor unit so as to prevent the refrigerant from flowing back or running off. Preferably, the heat preservation cotton is wrapped on the outer portions of pipelines connected among the heat exchanger I2, the compressor 4, the electronic expansion valve I70, the stop valve I63 and the stop valve II 64 and the outer portions of the electronic expansion valve I70, the electronic expansion valve II 11, the electronic expansion valve III 12, the electronic expansion valve IV 13 and the electronic expansion valve V14, and is used for preventing temperature loss and aging of a copper pipe.
Example 2
The utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling, as shown in FIG. 2, this embodiment and embodiment 1's difference lie in, cooling heating device is provided with at least two sets ofly, and parallel connection in proper order, and every group cooling heating device can set up respectively in a plurality of rooms, satisfies the individualized demand of temperature in single room. Every group cooling heating device includes cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallelly connected setting of heating unit, the heating unit buries coil pipe 40 including ground, and the exit end that buries coil pipe 40 passes through three-way pipe I94 and is connected with heat exchanger II 18 and liquid return pipe 9 respectively, and the entrance point passes through three-way pipe II 95 and is connected with heat exchanger II 18 and liquid supply pipe 10 respectively to realize indoor heating, refrigeration, dehumidification etc. satisfy user's user demand.
Other structures and operation principles are the same as those of embodiment 1, and are not described herein again.
Example 3
The utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling, as shown in fig. 3, this embodiment and embodiment 1 and embodiment 2's difference lie in, the cooling heating device is provided with at least two sets ofly, and parallel connection in proper order, and every group cooling heating device is including cooling dehumidification unit and heating unit, and cooling dehumidification unit and heating unit parallel arrangement, every group cooling heating device can set up respectively in a plurality of rooms, satisfies the individualized demand of the temperature in single room. Compared with the embodiment 2, the heating unit in the embodiment comprises 2 underground coils 40 which are connected in parallel, the outlet ends of the 2 underground coils 40 are respectively connected with the heat exchanger II 18 and the liquid return pipe 9 through the three-way pipe I94, the inlet ends of the 2 underground coils 40 are respectively connected with the heat exchanger II 18 and the liquid supply pipe 10 through the three-way pipe II 95, and the underground coils 40 and the heat exchanger II 18 in each group are communicated through a plurality of three-way pipes, so that indoor heating, refrigeration, dehumidification and the like are realized, the heating area is effectively increased, and the use requirements of users are met.
Other structures and operation principles are the same as those of embodiment 1, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a constant temperature and humidity air conditioning system of frequency conversion multiplex floor heating tuber pipe machine cooling which characterized in that: including compressor arrangement, heat transfer device, throttling arrangement and cooling heating device, compressor arrangement, heat transfer device, throttling arrangement and cooling heating device are series connection in proper order, and wherein compressor arrangement and heat transfer device all set up in outdoor host computer (1), and the cooling heating device sets up indoor, the cooling heating device is including cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallelly connected setting of heating unit, compressor arrangement, heat transfer device and the equal connection director of throttling arrangement, the controller is connected with temperature sensing probe I (25) that are used for detecting indoor temperature, humidity inductive probe (26) that are used for detecting indoor humidity and temperature sensing probe II (22) that are used for detecting floor temperature.
2. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 1, characterized in that: the compression device comprises a compressor (4), the compressor (4) is respectively connected with a four-way valve (5) and a liquid storage tank (61), the four-way valve (5) is connected with the liquid storage tank (61), the four-way valve (5) is connected with a heat exchange device, the four-way valve (5) is connected with a heating unit through a liquid supply pipe (10), and the compressor (4) and the four-way valve (5) are both connected with a controller; the heat exchange device comprises a heat exchanger I (2) and a fan I (8) matched with the heat exchanger I (2), the fan I (8) is connected with the controller, the heat exchanger I (2) is connected with the four-way valve (5), and the heat exchanger I (2) is respectively connected with the cooling and dehumidifying unit and the heating unit through a liquid return pipe (9); the throttling device comprises an electronic expansion valve I (70), the electronic expansion valve I (70) is connected with the heat exchanger I (2), the electronic expansion valve I (70) is connected with the cooling and dehumidifying unit through a liquid return pipe (9), and the electronic expansion valve I (70) is connected with the controller.
3. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 2, characterized in that: the cooling dehumidification unit comprises an indoor air duct machine (17), a heat exchanger II (18) and a fan II (19) matched with the heat exchanger II (18) are arranged in the indoor air duct machine (17), the fan II (19) is connected with the controller, a temperature sensing probe III (27) is arranged at the front part, the middle part and the rear part of the fluorine pipe pipeline of one end, connected with the liquid return pipe (9), of the heat exchanger II (18), and the temperature sensing probe III (27) is connected with the controller.
4. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 3, characterized in that: the controller includes main control panel (6) and branch controller (16), and divides controller (16) to be connected with main control panel (6), and main control panel (6) are installed in the casing inboard of outdoor host computer (1), divide controller (16) to install in the casing inboard of indoor tuber pipe machine (17), compressor (4), cross valve (5), fan I (8) and electronic expansion valve I (70) all are connected with main control panel (6), and temperature sensing probe I (25), humidity inductive probe (26), temperature sensing probe II (22), temperature sensing probe III (27) and fan II (19) all are connected with branch controller (16).
5. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 4, characterized in that: the heating unit is respectively connected with the heat exchanger II (18) and the liquid supply pipe (10) through a three-way pipe II (95), and is respectively connected with the heat exchanger II (18) and the liquid return pipe (9) through a three-way pipe I (94); the main part of the three-way pipe I (94) is connected with the liquid return pipe (9), one branch of the three-way pipe I (94) is connected with the heating unit, and the other branch is connected with the heat exchanger II (18) through a connecting pipe; the main part of the three-way pipe II (95) is connected with the liquid supply pipe (10), one branch of the three-way pipe II (95) is connected with the heating unit, and the other branch is connected with the heat exchanger II (18) through a connecting pipe.
6. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 5, characterized in that: an electronic expansion valve IV (13) is arranged on one branch of the three-way pipe I (94), an electronic expansion valve II (11) is arranged on the other branch, the electronic expansion valve IV (13) is connected with the heating unit, and the electronic expansion valve II (11) is connected with the heat exchanger II (18); an electronic expansion valve V (14) is arranged on one branch of the three-way pipe II (95), an electronic expansion valve III (12) is arranged on the other branch of the three-way pipe II, the electronic expansion valve V (14) is connected with the heating unit, the electronic expansion valve III (12) is connected with the heat exchanger II (18), and the electronic expansion valve II (11), the electronic expansion valve III (12), the electronic expansion valve IV (13) and the electronic expansion valve V (14) are all connected with the sub-controller (16).
7. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 6, characterized in that: a filter (62) is arranged between the four-way valve (5) and the liquid supply pipe (10), a stop valve I (63) is arranged on the liquid return pipe (9), a stop valve II (64) is arranged on the liquid supply pipe (10), and the stop valve II (64) is positioned between the filter (62) and the heating unit; the heat-preservation cotton is wrapped outside the pipelines connected among the heat exchanger I (2), the compressor (4), the electronic expansion valve I (70), the stop valve I (63) and the stop valve II (64) and outside the electronic expansion valve I (70), the electronic expansion valve II (11), the electronic expansion valve III (12), the electronic expansion valve IV (13) and the electronic expansion valve V (14).
8. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 7, characterized in that: the heating unit comprises an underground coil pipe (40), the outlet end of the underground coil pipe (40) is respectively connected with a heat exchanger II (18) and a liquid return pipe (9) through a three-way pipe I (94), and the inlet end of the underground coil pipe is respectively connected with the heat exchanger II (18) and a liquid supply pipe (10) through a three-way pipe II (95).
9. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 7, characterized in that: the cooling and heating device is at least provided with two sets and is connected in parallel in proper order, and every group cooling and heating device includes cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallelly connected setting of heating unit, the heating unit buries coil pipe (40) including ground, and the exit end that buries coil pipe (40) ground is connected with heat exchanger II (18) and liquid return pipe (9) respectively through three-way pipe I (94), and the entrance point passes through three-way pipe II (95) and is connected with heat exchanger II (18) and liquid supply pipe (10) respectively.
10. The constant-temperature and constant-humidity air conditioning system for cooling of a variable-frequency multi-gang floor heating air duct machine according to claim 7, characterized in that: the cooling and heating device is at least provided with two sets and in proper order parallel connection, and every group cooling and heating device includes cooling dehumidification unit and heating unit, and cooling dehumidification unit and the parallelly connected setting of heating unit, the heating unit includes 2 and buries coil pipe (40) and parallel connection, 2 the exit end of burying coil pipe (40) pass through three-way pipe I (94) and be connected with heat exchanger II (18) and liquid return pipe (9) respectively, the entrance point passes through three-way pipe II (95) and is connected with heat exchanger II (18) and liquid supply pipe (10) respectively.
CN201922269642.2U 2019-12-17 2019-12-17 Constant temperature and humidity air conditioning system for cooling variable frequency multi-connected floor heating air duct machine Active CN211575340U (en)

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Application Number Priority Date Filing Date Title
CN201922269642.2U CN211575340U (en) 2019-12-17 2019-12-17 Constant temperature and humidity air conditioning system for cooling variable frequency multi-connected floor heating air duct machine

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CN211575340U true CN211575340U (en) 2020-09-25

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