CN210345762U - Multi-split system suitable for southern building inner zone - Google Patents
Multi-split system suitable for southern building inner zone Download PDFInfo
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- CN210345762U CN210345762U CN201920741464.6U CN201920741464U CN210345762U CN 210345762 U CN210345762 U CN 210345762U CN 201920741464 U CN201920741464 U CN 201920741464U CN 210345762 U CN210345762 U CN 210345762U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a many online systems suitable for southern building inner zone, its characterized in that: the multi-split air conditioner comprises a multi-split outdoor unit, a multi-split indoor unit, a multi-split fresh air processor, a blower, an exhaust fan, a sensible heat exchanger and a temperature sensor, wherein the multi-split fresh air processor and the blower are connected in parallel through a supply pipe, the multi-split outdoor unit transmits heat or cold to the multi-split indoor unit or the multi-split fresh air processor through a refrigerant in a refrigerant pipe, and indoor air is exhausted outdoors through an air outlet, the exhaust pipe and the exhaust fan in sequence. The utility model discloses high-efficient refrigeration in summer, spring and autumn and winter make full use of outdoor low temperature air eliminate indoor unnecessary heat, utilize replacement ventilation system to improve indoor air quality and indoor personnel comfort level, utilize the sensible heat switch to carry out heat recovery to indoor energy, reduce the energy consumption and the opening time of many online indoor units, pass through the rotational speed that temperature sensor adjusted forced draught blower and exhaust fan in spring and autumn, entire system is energy-efficient.
Description
Technical Field
The utility model relates to a district cooling field in the building discloses a many online systems suitable for southern building is inside.
Background
The interior district of building does not receive the influence of outdoor temperature basically, mainly forms a large amount of waste heats by heat dissipation such as human body, equipment, light, even if in winter, indoor temperature still can be on the high side, leads to the indoor environment uncomfortable, so in winter the district also need eliminate cold load, and outdoor low temperature air can regard as free cold source, eliminates the waste heat for the interior district of building in spring and autumn and winter. In winter, the south is cool and humid outdoors, so that the air conditioning system can meet the indoor humidity requirement without an additional humidifying function. The sensible heat exchanger is a fresh air device which can recycle exhaust heat energy and supply air again, and the purpose of reducing energy consumption while introducing outdoor fresh air is achieved through efficient heat exchange. The replacement ventilation not only can provide good airflow organization and create comfortable hot and humid environment, but also is economical and energy-saving, and is an ideal ventilation form.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides a many online systems suitable for southern building inner zone.
The utility model aims at realizing through the following technical scheme: a multi-online system suitable for southern building interior areas comprises a multi-online outdoor unit and a multi-online indoor unit, and is characterized in that the multi-online system also comprises a multi-online fresh air processor, the multi-online outdoor unit is connected with the multi-online indoor unit and the multi-online fresh air processor through refrigerant pipes, the multi-online fresh air processor is arranged in parallel with a blower, one end of the multi-online fresh air processor is connected with the outside through a sensible heat exchanger, the other end of the multi-online fresh air processor is connected to a replacement air supply port through an air supply pipe, and an air outlet is sequentially connected with an exhaust fan and a; the multi-online outdoor unit transmits heat or cold to the multi-online indoor unit or the multi-online fresh air processor through the refrigerant in the refrigerant pipe and then delivers the heat or cold to the indoor through the air supply outlet, indoor air is exhausted to the outdoor through the air outlet, the exhaust pipe and the exhaust fan in sequence, and the sensible heat exchanger is used for heat exchange between outdoor fresh air and indoor exhaust air.
Furthermore, a first valve is arranged between the multi-online outdoor unit and the multi-online indoor unit, a second valve is arranged between the multi-online outdoor unit and the multi-online fresh air processor, a third valve is arranged between the multi-online fresh air processor and the sensible heat exchanger, a fourth valve is arranged between the blower and the sensible heat exchanger, and the sensible heat exchanger is provided with a fifth valve connected in parallel with the sensible heat exchanger.
Furthermore, the replacement air supply outlet is arranged in a sticking way, and the air volume of the replacement air supply outlet is 150m3/h~3000 m3And between h, the exhaust duct and the exhaust outlet are arranged at the upper part of the building inner area.
Furthermore, a temperature sensor is arranged in the room.
Furthermore, forced draught blower and exhaust fan are the frequency conversion fan, and in spring and autumn, temperature sensor detects the indoor temperature height, through the rotational speed of control forced draught blower and exhaust fan, controls the amount of wind that gets into the interior district of building to reach the homothermal purpose in the control building.
Furthermore, when the outdoor air is higher than 22 ℃ and the enthalpy of the air is higher than 43kJ/kg, the indoor unit of the multi-split air conditioner is determined to bear the indoor cooling and humidifying load in summer, the first valve, the second valve and the third valve are opened, the fourth valve and the fifth valve are closed, the multi-split air conditioner bears the fresh air load, and the multi-split air conditioner sends the outdoor fresh air with the temperature reduced and the humidity reduced into the building inner area in a low-flow-rate mode through the air supply pipe and the replacement air supply opening;
when the outdoor air is less than 18 ℃ and the enthalpy of the air is less than 35kJ/kg, the second valve and the third valve are opened in winter, the first valve, the fourth valve and the fifth valve are closed, and the outdoor low-temperature air is used for cooling to replace an artificial cold source;
when the outdoor working condition is in other state points, the situation is determined to be spring and autumn, the fourth valve and the fifth valve are opened, the first valve, the second valve and the third valve are closed, the multi-connected outdoor unit, the multi-connected indoor unit, the multi-connected fresh air processor and the sensible heat exchanger stop working, and outdoor fresh air flows through the air feeder and is directly sent into the room.
The utility model has the advantages that the whole system does not provide the humidifying function according to the moist characteristic in the south, thereby reducing the equipment cost; the multi-online fresh air processor and the air feeder are connected in parallel through the air supply pipe, outdoor fresh air is processed by the multi-online fresh air processor and is sent to the indoor in winter and summer, and the outdoor fresh air is directly sent to the indoor through the air feeder in spring and autumn; the sensible heat exchanger can only carry out the temperature exchange, airs exhaust indoor low temperature and outdoor high temperature new trend carries out the temperature exchange summer, reduces and sends into indoor new trend temperature, airs exhaust indoor high temperature and outdoor low temperature new trend carries out the temperature exchange winter, improves and sends into indoor new trend temperature, reduces the operating time of the outdoor unit of the many online rooms, practices thrift the energy consumption.
The utility model has the advantages that: make full use of outdoor low temperature air is as free refrigeration cold source, utilizes the sensible heat switch to carry out exhaust heat recovery, and utilizes replacement ventilation system, sends outdoor low temperature air to the inner zone, also can improve the air quality in the room in the refrigerated, increases human comfort level, and forced draught blower and exhaust fan are the frequency conversion fan, can be according to room temperature control fan rotational speed, reduce air conditioning system's energy consumption.
Drawings
Fig. 1 is a diagram of a multi-split system suitable for use in a southern building.
Fig. 2 is a plan view of an indoor area of a multi-split system building suitable for the indoor area of a southern building.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1 to 2 and examples:
in the figure, the outdoor unit of the multi-split air conditioner comprises an outdoor unit of the multi-split air conditioner 1, an indoor unit of the multi-split air conditioner 2, a fresh air processor of the multi-split air conditioner 3, a blower of 4, an exhaust fan of 5, an air supply pipe of 6, an exhaust pipe of 7, a replacement air supply outlet of 8, an exhaust outlet of 9, a refrigerant pipe of 10, a sensible heat exchanger of 11, a temperature sensor of 12 and.
The utility model provides a many online systems suitable for southern building inner zone which characterized in that: the multi-split air conditioner comprises a multi-split outdoor unit 1, a multi-split indoor unit 2, a multi-split fresh air processor 3, a blower 4, an exhaust fan 5, a sensible heat exchanger 11 and a temperature sensor 12, wherein the multi-split fresh air processor 3 and the blower 4 are connected in parallel through a blower pipe 6, the multi-split outdoor unit 1 transmits heat or cold to the multi-split indoor unit 2 or the multi-split fresh air processor 3 through a refrigerant in a refrigerant pipe 10, and indoor air is exhausted outdoors through an exhaust outlet 9, an exhaust pipe 7 and the exhaust fan 5 in sequence;
according to the characteristic of southern moisture, the whole system does not provide the humidifying function, so that the equipment cost is reduced;
the multi-online fresh air processor 3 and the blower 4 are connected in parallel through the blast pipe 6, outdoor fresh air is processed by the multi-online fresh air processor 3 and sent into a room in winter and summer, and the outdoor fresh air is directly sent into the room through the blower 4 in spring and autumn;
the sensible heat exchanger 11 can only exchange temperature, indoor low-temperature exhaust air and outdoor high-temperature fresh air are exchanged in summer to reduce the temperature of the fresh air fed into the room, indoor high-temperature exhaust air and outdoor low-temperature fresh air are exchanged in winter to improve the temperature of the fresh air fed into the room, the working time of the multi-connected outdoor unit 1 is shortened, and energy consumption is saved;
the replacement air supply outlets 8 are arranged in a sticking manner, and the air quantity of each replacement air supply outlet 8 is 150m according to different sizes3/h~3000 m3The selection is carried out between/h;
the exhaust duct 7 and the exhaust port 9 are arranged at the upper part of the building inner area, so that the hot and turbid air gathered at the upper part of the room can be rapidly exhausted;
when the outdoor air is higher than 22 ℃ and the enthalpy of the air is higher than 43kJ/kg, the multi-online indoor unit 2 is determined to bear the indoor cooling and humidifying load, the multi-online fresh air processor 3 bears the fresh air load, the multi-online fresh air processor 3 sends the cooled and dehumidified outdoor fresh air into the building inner area in a low-flow-rate mode through the air supply pipe 6 and the replacement air supply opening 8, the first valve F1, the second valve F2 and the third valve F3 are opened at the moment, and the fourth valve F4 and the fifth valve F5 are closed;
when the outdoor air is lower than 18 ℃ and the enthalpy of the air is lower than 35kJ/kg, the outdoor air is judged to be in winter, the outdoor low-temperature air is used for cooling to replace an artificial cold source, the outdoor fresh air is primarily heated by the sensible heat exchanger 11 at the moment, the outdoor fresh air is heated to 18 ℃ by the multi-connected fresh air processor 3 and then is sent into the room, the condition that the comfort degree of personnel is reduced due to the fact that the air supply temperature is too low is avoided, at the moment, the multi-connected indoor unit 2 stops working, the second valve F2 and the third valve F3 are opened, and the first valve F1, the fourth valve F4 and the fifth valve F5 are closed;
when the outdoor working condition is in other state points, the work is determined to be spring and autumn, the multi-split outdoor unit 1, the multi-split indoor unit 2, the multi-split fresh air processor 3 and the sensible heat exchanger 11 stop working, outdoor fresh air flows through the blower and is directly sent into a room, at the moment, the fourth valve F4 and the fifth valve F5 are opened, and the first valve F1, the second valve F2 and the third valve F3 are closed;
the blower 4 and the exhaust fan 5 are frequency conversion fans, in spring and autumn, the temperature sensor 12 detects the indoor temperature, and the air quantity entering the building inner area is controlled by controlling the rotating speed of the blower 4 and the exhaust fan 5, so that the aim of controlling the temperature of the building inner area to be constant at 21 ℃ or the temperature set by personnel is fulfilled.
Examples
Example 1: when the outdoor air is higher than 22 ℃ and the enthalpy value of the air is higher than 43kJ/kg, the multi-connected outdoor unit 1 is determined to be in a refrigerating mode in summer, the refrigerant in the refrigerant pipe 10 provides cold energy to the multi-connected indoor unit 2 and the multi-connected fresh air processor 3, the multi-connected indoor unit 2 bears indoor cold and humidity loads, the indoor air is cooled and dehumidified to maintain the indoor temperature at 18 ℃ or the indoor temperature set by the personnel, the multi-connected fresh air processor 3 bears fresh air load, and after the outdoor clean air is processed to 23 ℃, the air is sent into the room through the replacement air supply outlet 8 at the air speed of 0.25m/s, the outdoor high-temperature fresh air is primarily cooled by the sensible heat exchanger 11, and then the air enters the multi-split fresh air processor 3, at the moment, the first valve F1, the second valve F2 and the third valve F3 are opened, and the fourth valve F4 and the fifth valve F5 are closed.
Example 2: when the outdoor air is less than 18 ℃ and the enthalpy of the air is less than 35kJ/kg, the indoor unit is determined to be in winter, but a large amount of cold load exists in the building, so the indoor unit still needs to be cooled, if the outdoor low-temperature air is directly sent into the indoor unit at the moment, the air supply temperature is low, and discomfort is possibly caused to personnel, so the outdoor fresh air is primarily heated by using the sensible heat exchanger 11 at the moment, then the outdoor fresh air is heated to 18 ℃ by using the multi-split air handling machine 3, and then the fresh air is sent into the indoor unit, so that the condition that the comfort of the personnel is reduced due to the low air supply temperature is avoided, at the moment, the multi-split indoor unit 2 stops working, the second valve F2 and the third valve F3 are opened, and the first valve F39;
example 3: when the outdoor working condition is at other state points, the working condition is determined to be spring and autumn, the multi-split outdoor unit 1, the multi-split indoor unit 2, the multi-split fresh air processor 3 and the sensible heat exchanger 4 stop working, the air blower 4 directly sends outdoor air into a room, indoor hot and turbid air is exhausted out of the room through the air outlet 9 and the exhaust pipe 7 which are arranged on the upper portion of the room, the temperature sensor 12 detects the indoor temperature, the air quantity entering the building is controlled by controlling the rotating speeds of the air supply 4 and the exhaust fan 5, so that the aim of controlling the building to keep the building at 21 ℃ or the temperature set by people is achieved, at the moment, the fourth valve F4 and the fifth valve F5 are opened, and the first valve F1, the second valve F2 and the third valve F3 are closed.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and those skilled in the art will understand that various modifications and variations can be made without inventive changes by those skilled in the art based on the technical solution of the present invention.
Claims (5)
1. A multi-online system suitable for southern building interior areas comprises a multi-online outdoor unit and a multi-online indoor unit, and is characterized in that the multi-online system also comprises a multi-online fresh air processor, the multi-online outdoor unit is connected with the multi-online indoor unit and the multi-online fresh air processor through refrigerant pipes, the multi-online fresh air processor is arranged in parallel with a blower, one end of the multi-online fresh air processor is connected with the outside through a sensible heat exchanger, the other end of the multi-online fresh air processor is connected to a replacement air supply port through an air supply pipe, and an air outlet is sequentially connected with an exhaust fan and a; the multi-online outdoor unit transmits heat or cold to the multi-online indoor unit or the multi-online fresh air processor through the refrigerant in the refrigerant pipe and then delivers the heat or cold to the indoor through the air supply outlet, indoor air is exhausted to the outdoor through the air outlet, the exhaust pipe and the exhaust fan in sequence, and the sensible heat exchanger is used for heat exchange between outdoor fresh air and indoor exhaust air.
2. The multi-split system for the indoor area of the southern building as set forth in claim 1, wherein: the replacement air supply outlet is arranged in a close manner, and the air volume of the replacement air supply outlet is 150m3/h~3000 m3And between h, the exhaust duct and the exhaust outlet are arranged at the upper part of the building inner area.
3. The multi-split system for the indoor area of the southern building as set forth in claim 1, wherein: the multi-split air conditioner is characterized in that a first valve is arranged between the multi-split outdoor unit and the multi-split indoor unit, a second valve is arranged between the multi-split outdoor unit and the multi-split fresh air processor, a third valve is arranged between the multi-split fresh air processor and the sensible heat exchanger, a fourth valve is arranged between the air feeder and the sensible heat exchanger, and the sensible heat exchanger is provided with a fifth valve connected with the sensible heat exchanger in parallel.
4. The multi-split system for the indoor area of the southern building as set forth in claim 1, wherein: a temperature sensor is arranged indoors.
5. The multi-split system for the indoor area of the southern building as set forth in claim 1, wherein: the air feeder and the exhaust fan are both variable frequency fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920741464.6U CN210345762U (en) | 2019-05-22 | 2019-05-22 | Multi-split system suitable for southern building inner zone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920741464.6U CN210345762U (en) | 2019-05-22 | 2019-05-22 | Multi-split system suitable for southern building inner zone |
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| CN210345762U true CN210345762U (en) | 2020-04-17 |
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| CN201920741464.6U Active CN210345762U (en) | 2019-05-22 | 2019-05-22 | Multi-split system suitable for southern building inner zone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131828A (en) * | 2019-05-22 | 2019-08-16 | 上海市政工程设计研究总院（集团）有限公司 | It is a kind of suitable for south building inner region multi-line system and its for cooling method |
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- 2019-05-22 CN CN201920741464.6U patent/CN210345762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131828A (en) * | 2019-05-22 | 2019-08-16 | 上海市政工程设计研究总院（集团）有限公司 | It is a kind of suitable for south building inner region multi-line system and its for cooling method |
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