CN112665081A - Multi-channel split type ventilator unit with cold and heat source compensation and control method - Google Patents
Multi-channel split type ventilator unit with cold and heat source compensation and control method Download PDFInfo
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- CN112665081A CN112665081A CN202011546191.3A CN202011546191A CN112665081A CN 112665081 A CN112665081 A CN 112665081A CN 202011546191 A CN202011546191 A CN 202011546191A CN 112665081 A CN112665081 A CN 112665081A
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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]
- Y02B30/56—Heat recovery units
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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 invention discloses a multi-channel split type ventilator unit with cold and heat source compensation, which comprises an exhaust fan unit, a fresh air unit and an auxiliary cold and heat source unit, wherein the exhaust fan unit, the fresh air unit and the auxiliary cold and heat source unit are respectively provided with a box body and are respectively and independently arranged, N exhaust inlets are formed in the box body of the exhaust fan unit, N fresh air outlets are formed in the box body of the fresh air unit, an air collecting cavity is separated in the box body of the exhaust fan unit, an exhaust energy recovery device is used for realizing heat exchange recovery of exhaust air, and the auxiliary cold and heat source compensation device is used for performing cold and heat source compensation on the respectively independent fresh air. Meanwhile, the invention also discloses a control method of the device. Can provide constant temperature new trend to many rooms to when retrieving cold and hot source not enough, can carry out cold and hot source compensation through auxiliary device, can provide the independent air feed of multichannel, split type structure is convenient for install.
Description
Technical Field
The invention belongs to the technical field of ventilation equipment, and particularly relates to a multi-channel split type ventilator unit with cold and heat source compensation and a control method of the ventilator unit.
Background
Along with the popularization of near-zero energy consumption buildings, the performance of the building enclosure structure is greatly improved, the heat preservation performance and the air tightness performance of the enclosure structure are better and better, and the energy consumption of fresh air of the building becomes a main component of the energy consumption of a ventilation air-conditioning system.
At present, energy in exhaust air is mainly recovered in an energy-saving mode, the energy is usually directly exchanged by new exhaust air and exchanged by water (or other media), but the recovery efficiency of the exhaust air energy in the two modes is low, the exhaust air energy cannot be fully utilized, and the investment recovery period is long.
Disclosure of Invention
In view of the above problems, the present invention is directed to a multi-channel split type ventilator unit with cold and heat source compensation, which can provide constant temperature fresh air for multiple rooms, and when the cold and heat sources are not recovered enough, can perform cold and heat source compensation through an auxiliary device, and has a high system integration level, and can provide multi-channel independent air supply.
Therefore, the technical scheme adopted by the invention is as follows: a multi-channel split type ventilator unit with cold and heat source compensation comprises an exhaust fan unit, a fresh air unit and an auxiliary cold and heat source unit, wherein the exhaust fan unit, the fresh air unit and the auxiliary cold and heat source unit are respectively provided with a box body and are respectively and independently arranged, the right side of the box body of the exhaust fan unit is provided with N exhaust inlets, the left side of the box body of the fresh air unit is provided with an exhaust outlet, N is more than or equal to 2, the left side of the box body of the fresh air unit is provided with a fresh air inlet, the right side of the box body of the exhaust fan unit is provided with N fresh air outlets, the right end of the box body; the fresh air outlet is in one-to-one correspondence with the fresh air motor, the second heat exchange tube and the auxiliary heat exchange tube and is divided into independent fresh air channels through partition plates to supply air to the corresponding rooms;
after one end of each second heat exchange tube is connected in parallel, the two ends of the compressor and one end of the first heat exchange tube are respectively connected through a four-way reversing valve, and the other ends of the second heat exchange tubes are connected in parallel and then connected with the other end of the first heat exchange tube, so that an exhaust energy recovery device is formed and used for realizing heat exchange and recovery of exhaust air;
one end of each auxiliary heat exchange tube is connected in parallel, and the other end of each auxiliary heat exchange tube is connected in parallel and then respectively connected with the auxiliary cold and heat source unit, so that the auxiliary cold and heat source compensation device is formed and used for performing cold and heat source compensation on the independent fresh air channel when exhaust air is recovered and heat exchange is insufficient.
Preferably, the exhaust fan unit, the fresh air unit and the auxiliary cold and heat source unit are respectively provided with an access hole, and the exhaust fan unit and the fresh air unit are respectively provided with a filter drawing and replacing hole. The maintenance ports are independently arranged, the maintenance ports are opened to maintain the partial unit groups, and the whole unit group does not need to be disassembled; the change frequency of filter is higher, adopts solitary pull to change the outfit mouth and changes, and the person of facilitating the use pull is taken turns to the outfit by oneself, can not mistake and tear the access hole open and cause unexpected injury, does not need professional after sales personnel to carry out the change of filter, and it is safe convenient more to use.
Preferably, the exhaust filter, the first heat exchange tube and the exhaust motor are sequentially arranged in the box body of the exhaust unit along the air flow direction, and the four-way reversing valve and the compressor are arranged close to the first heat exchange tube. The air exhaust is firstly filtered, then heat exchange is carried out, and finally the air exhaust is sent out through the air exhaust motor, so that the influence of dust in the air exhaust on the service life and the heat exchange efficiency of the air exhaust motor through the air exhaust motor and the heat exchange tube is avoided, and the energy recovery efficiency is higher through the air exhaust motor after the air exhaust heat exchange.
Further preferably, the exhaust filter and the fresh air filter are both provided with a pressure difference monitor, the pressure difference monitor is used for monitoring the pressure difference on two sides of the filter, and an alarm is arranged to remind the filter to be replaced.
Further preferably, each room is independently provided with a temperature sensor and an air quality sensor, the fresh air motor in each fresh air channel can be independently started, stopped and wind speed adjusted according to the requirements of the corresponding room, the start, the stop and the wind speed are independently controlled, and the energy utilization rate is higher.
Further preferably, the box sizes of the exhaust fan unit, the fresh air unit and the auxiliary cold and heat source unit are different, and four lifting lugs which are arranged in a rectangular mode are arranged at the top of each box and used for being installed in a ceiling layer of a building, so that the installation is convenient, and the occupied space is small.
Meanwhile, the invention also provides a control method of the multi-channel split type ventilator unit with cold and heat source compensation, which comprises the multi-channel split type ventilator unit with cold and heat source compensation, when the system is started, the exhaust fan unit, the fresh air unit and the exhaust energy recovery device normally operate, when the room temperature value monitored by the temperature sensor is in a set range, the exhaust fan unit, the fresh air unit and the exhaust energy recovery device continuously and normally operate, when the room temperature value monitored by the temperature sensor deviates from the set range, the auxiliary cold and heat source compensation device is started, and the circulation volume of the refrigerant of the auxiliary cold and heat source compensation device is increased or reduced according to the requirement; when the room air quality value monitored by the air quality sensor is less than or equal to a set value, the fresh air unit continues to operate normally, and when the room air quality value monitored by the air quality sensor is greater than the set value, the voltage signal of the fresh air motor in the corresponding fresh air channel is increased to increase the fresh air volume, and meanwhile, the voltage signal of the air exhaust motor is increased to increase the air exhaust volume.
The invention has the beneficial effects that:
(1) the fresh air unit, the exhaust fan unit and the auxiliary cold and heat source unit are respectively provided with a box body which is arranged in a split mode, an exhaust energy recovery device is formed by a first heat exchange tube, a second heat exchange tube, a four-way reversing valve and a compressor and used for realizing heat exchange recovery of exhaust air, a cold and heat source compensation device is formed by the auxiliary heat exchange tube and the auxiliary cold and heat source unit and used for cold and heat source compensation when the exhaust recovery heat exchange is insufficient, the split type structure is convenient to install, and the heat exchange efficiency is high;
(2) the additional auxiliary cold and heat source compensation device is started as required to perform cold and heat source compensation, so that not only can the energy be efficiently utilized, but also the temperature of fresh air can be kept constant, more comfortable ventilation experience is provided for customers, and the device is efficient, energy-saving and environment-friendly;
(3) a plurality of independent fresh air channels are arranged in the exhaust fan unit, fresh air with proper temperature and high air quality is sent into corresponding rooms, and the fresh air channels can be independently controlled, so that energy waste is further avoided, and the efficient utilization of cold and heat sources is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a control logic diagram of the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, a multi-channel split type ventilator unit with cold and heat source compensation mainly comprises an exhaust fan unit i, a fresh air unit ii and an auxiliary cold and heat source unit 15, which are respectively provided with a box body and are respectively and independently arranged.
N air exhaust inlets 1 are formed in the right side of a box body of the exhaust unit I, an air exhaust outlet 2 is formed in the left side of the box body, and N is larger than or equal to 2. The left side of the box body of the fresh air unit II is provided with a fresh air inlet 3, and the right side of the box body is provided with N fresh air outlets 4. The number of the air exhaust inlets 1 and the number of the fresh air outlets 4 are equal and are determined according to the number of air supply rooms.
An air collecting cavity 5 is arranged at the right end of the box body of the exhaust fan unit I. A partition board is arranged in a box body of the exhaust unit I to separate an independent air collecting cavity 5, so that the air of N exhaust inlets 1 is uniformly converged in the air collecting cavity 5, and the heat exchange effect is facilitated. An exhaust filter 6, a first heat exchange pipe 7, an exhaust motor 8, a four-way reversing valve 9 and a compressor 10 are further mounted in the box body of the exhaust fan set I.
A fresh air filter 11, a fresh air motor 12, a second heat exchange pipe 13 and an auxiliary heat exchange pipe 14 are arranged in the fresh air unit II along the airflow direction. The fresh air motor 12, the second heat exchange tube 13 and the auxiliary heat exchange tube 14 are respectively N and are arranged side by side. The fresh air outlet 4 is arranged in one-to-one correspondence with the fresh air motor 12, the second heat exchange tube 13 and the auxiliary heat exchange tube 14, and is divided into independent fresh air channels through the partition plates to supply air to the rooms corresponding to the fresh air channels.
After one end of each second heat exchange tube 13 is connected in parallel, the two ends of the compressor 10 and one end of the first heat exchange tube 7 are respectively connected through the four-way reversing valve 9, and the other end of each second heat exchange tube 13 is connected in parallel and then connected with the other end of the first heat exchange tube 7, so that the exhaust energy recovery device is formed and used for realizing exhaust gas heat exchange recovery.
One ends of all the auxiliary heat exchange tubes 14 are connected in parallel and the other ends are connected in parallel and then are respectively connected with the auxiliary cold and heat source unit 15, so that the auxiliary cold and heat source compensation device is formed and used for performing cold and heat source compensation on respective independent fresh air channels when exhaust air recovery and heat exchange are insufficient. When the recovered exhaust energy can not meet the heat exchange treatment requirement of fresh air, the auxiliary cold and heat source compensation device D is automatically started to supplement cold and heat sources.
Preferably, the box bodies of the exhaust fan unit I, the fresh air unit II and the auxiliary cold and heat source unit 15 are respectively provided with an access hole, and the exhaust fan unit I and the fresh air unit II are respectively provided with a filter drawing and replacing hole. In addition, the box body sizes of the exhaust fan unit I, the fresh air unit II and the auxiliary cold and heat source unit 15 are preferably different, and four lifting support lugs which are arranged in a rectangular mode are arranged at the top of each box body and are used for being installed in a suspended ceiling layer of a building.
Preferably, the exhaust filter 6, the first heat exchange tube 7 and the exhaust motor 8 are sequentially arranged in the box body of the exhaust fan set I along the air flow direction, and the four-way reversing valve 9 and the compressor 10 are arranged close to the first heat exchange tube 7. The exhaust air enters the air collecting cavity 5 through the exhaust air inlet 1 and is uniformly gathered, and then is exhausted through the exhaust air filter 6, the first heat exchange tube 7, the exhaust air motor 8 and the exhaust air outlet 2. Fresh air enters through the fresh air inlet 3, is filtered by the fresh air filter 11, passes through the fresh air motor 12, the second heat exchange tube 13 and the auxiliary heat exchange tube 14 in respective independent fresh air channels, and is sent into respective corresponding rooms from respective corresponding fresh air outlets 4.
Preferably, the exhaust air filter 6 and the fresh air filter 11 are both provided with a pressure difference monitor, the pressure difference monitor is used for monitoring the pressure difference on the two sides of the filter, and an alarm is arranged to remind the filter to be replaced so as to ensure the indoor air cleanliness of the building room and reduce the pollution of the exhaust air to the outdoor air.
In addition, each room is equipped with temperature sensor and air quality sensor alone, and the new trend motor 12 in each new trend passageway can be according to the demand of corresponding room and open alone and stop and wind speed control.
Referring to fig. 1 and 2, a method for controlling a multi-channel split type ventilator unit with cooling and heating source compensation includes the above multi-channel split type ventilator unit with cooling and heating source compensation. The specific process is as follows: when the system starts, the exhaust fan set I, the fresh air unit II and the exhaust energy recovery device normally operate. When the room temperature value monitored by the temperature sensor is in a set range, the exhaust fan unit I, the fresh air unit II and the exhaust energy recovery device continue to operate normally; and when the room temperature value monitored by the temperature sensor deviates from the set range, starting the auxiliary cold and heat source compensation device, and increasing or reducing the circulation volume of the refrigerant of the auxiliary cold and heat source compensation device according to the requirement. When the room air quality value monitored by the air quality sensor is less than or equal to the set value, the fresh air handling unit II continues to normally operate; when the room air quality value monitored by the air quality sensor is larger than a set value, the voltage signal of the fresh air motor 12 in the corresponding fresh air channel is increased to increase the fresh air volume, and the voltage signal of the exhaust air motor 8 is increased to increase the exhaust air volume.
Claims (7)
1. The utility model provides a split type ventilation unit of multichannel with cold and heat source compensation which characterized in that: the air exhaust unit comprises an exhaust fan unit (I), a fresh air unit (II) and an auxiliary cold and heat source unit (15), wherein the three units are respectively provided with a box body and are respectively and independently arranged, the right side of the box body of the exhaust fan unit (I) is provided with N exhaust inlets (1), the left side of the box body of the exhaust fan unit (I) is provided with an exhaust outlet (2), N is more than or equal to 2, the left side of the box body of the fresh air unit (II) is provided with a fresh air inlet (3), the right side of the box body of the exhaust fan unit (I) is provided with N fresh air outlets (4), the right end of the box body of the exhaust fan unit (I) is separated by an air collecting cavity (5), and an exhaust filter (; a fresh air filter (11), a fresh air motor (12), a second heat exchange tube (13) and auxiliary heat exchange tubes (14) are arranged in a box body of the fresh air unit (II) along the air flow direction, the number of the fresh air motor (12), the number of the second heat exchange tube (13) and the number of the auxiliary heat exchange tubes (14) are respectively N and arranged side by side, and fresh air outlets (4) are arranged in one-to-one correspondence with the fresh air motor (12), the second heat exchange tube (13) and the auxiliary heat exchange tubes (14) and are divided into independent fresh air channels through partition plates to supply air to the rooms corresponding to the;
after one end of each second heat exchange tube (13) is connected in parallel, the two ends of the compressor (10) and one end of the first heat exchange tube (7) are respectively connected through a four-way reversing valve (9), and the other ends of the second heat exchange tubes (13) are connected in parallel and then connected with the other end of the first heat exchange tube (7), so that an exhaust energy recovery device is formed and used for realizing exhaust gas heat exchange recovery;
one ends of all the auxiliary heat exchange tubes (14) are connected in parallel and the other ends are connected in parallel and then are respectively connected with the auxiliary cold and heat source unit (15), thereby forming an auxiliary cold and heat source compensation device which is used for performing cold and heat source compensation on respective independent fresh air channels when exhaust air recovery and heat exchange are insufficient.
2. The multi-channel split type ventilator unit with cold heat source compensation of claim 1, wherein: the box of exhaust fan group (I), new fan group (II), supplementary cold and heat source unit (15) is gone up and is opened the access hole respectively, and exhaust fan group (I), new fan group (II) are gone up and are opened filter pull and trade dress mouth respectively.
3. The multi-channel split type ventilator unit with cold heat source compensation of claim 1, wherein: the exhaust air filter (6), the first heat exchange tube (7) and the exhaust air motor (8) are sequentially arranged in the box body of the exhaust fan set (I) along the air flow direction, and the four-way reversing valve (9) and the compressor (10) are arranged close to the first heat exchange tube (7).
4. The multi-channel split type ventilator unit with cold heat source compensation of claim 1, wherein: the exhaust filter (6) and the fresh air filter (11) are both provided with a pressure difference monitor, and the pressure difference monitors are used for monitoring the pressure difference on the two sides of the filters and are provided with alarms to remind users of replacing the filters.
5. The multi-channel split type ventilator unit with cold heat source compensation of claim 1, wherein: each room is provided with a temperature sensor and an air quality sensor independently, and a fresh air motor (12) in each fresh air channel can be started, stopped and adjusted in air speed independently according to the requirements of the corresponding room.
6. The multi-channel split ventilator unit with cold heat source compensation of claim 5, wherein: the box size diverse of exhaust fan group (I), new fan unit (II), supplementary cold and hot source unit (15), the top of every box is provided with four hoist and mount hangers that are the rectangle and arrange for install in the furred ceiling in situ of building.
7. A control method of a multi-channel split type ventilator unit with cold and heat source compensation is characterized in that: the multi-channel split type ventilator unit with cold and heat source compensation of claim 5 or 6, wherein when the system is started, the ventilator unit (I), the fresh air unit (II) and the exhaust energy recovery device normally operate, when the room temperature value monitored by the temperature sensor is within a set range, the ventilator unit (I), the fresh air unit (II) and the exhaust energy recovery device continue to normally operate, when the room temperature value monitored by the temperature sensor deviates from the set range, the auxiliary cold and heat source compensation device is started, and the circulation volume of the refrigerant of the auxiliary cold and heat source compensation device is increased or decreased as required; when the room air quality value monitored by the air quality sensor is less than or equal to a set value, the fresh air unit (II) continues to normally operate, when the room air quality value monitored by the air quality sensor is greater than the set value, the voltage signal of the fresh air motor (12) in the corresponding fresh air channel is increased to increase the fresh air volume, and meanwhile, the voltage signal of the exhaust air motor (8) is increased to increase the exhaust air volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546191.3A CN112665081A (en) | 2020-12-23 | 2020-12-23 | Multi-channel split type ventilator unit with cold and heat source compensation and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546191.3A CN112665081A (en) | 2020-12-23 | 2020-12-23 | Multi-channel split type ventilator unit with cold and heat source compensation and control method |
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| CN112665081A true CN112665081A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011546191.3A Pending CN112665081A (en) | 2020-12-23 | 2020-12-23 | Multi-channel split type ventilator unit with cold and heat source compensation and control method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494372A (en) * | 2011-12-21 | 2012-06-13 | 南京五洲制冷集团有限公司 | Double-cold source full fresh air dehumidifier and control method thereof |
| DE102014007735A1 (en) * | 2013-05-29 | 2014-12-04 | Samuel Wepf | ventilation |
| CN206817624U (en) * | 2017-05-29 | 2017-12-29 | 山东格瑞德集团有限公司 | Heat-recovery heat pump fresh air purifying unit |
| CN109442709A (en) * | 2018-12-17 | 2019-03-08 | 广东志高暖通设备股份有限公司 | A kind of indoor environment adjusts Intergration system and its working method |
-
2020
- 2020-12-23 CN CN202011546191.3A patent/CN112665081A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494372A (en) * | 2011-12-21 | 2012-06-13 | 南京五洲制冷集团有限公司 | Double-cold source full fresh air dehumidifier and control method thereof |
| DE102014007735A1 (en) * | 2013-05-29 | 2014-12-04 | Samuel Wepf | ventilation |
| CN206817624U (en) * | 2017-05-29 | 2017-12-29 | 山东格瑞德集团有限公司 | Heat-recovery heat pump fresh air purifying unit |
| CN109442709A (en) * | 2018-12-17 | 2019-03-08 | 广东志高暖通设备股份有限公司 | A kind of indoor environment adjusts Intergration system and its working method |
Non-Patent Citations (2)
| Title |
|---|
| 杨耀之等: "《室内环境与设备》", 28 February 2016 * |
| 肖卫光: "《肺话连篇》", 30 September 2004 * |
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Application publication date: 20210416 |