CN112665082A - Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method - Google Patents
Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method Download PDFInfo
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- CN112665082A CN112665082A CN202011546325.1A CN202011546325A CN112665082A CN 112665082 A CN112665082 A CN 112665082A CN 202011546325 A CN202011546325 A CN 202011546325A CN 112665082 A CN112665082 A CN 112665082A
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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
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Abstract
The invention discloses a multichannel high-efficiency integrated ventilator set with heat exchange compensation.A case is divided into a region I for installing an exhaust fan set, a region II for a fresh air unit and a region III for an auxiliary cold and heat source unit, wherein the region I is provided with N exhaust inlets, the region II is provided with N fresh air outlets, an air collection cavity is partitioned in the region I, and an exhaust filter, a first heat exchange pipe, an exhaust motor, a four-way reversing valve and a compressor are also installed in the region I; the air 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 respective independent fresh air channels when the exhaust air is recovered and the heat exchange is insufficient. 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, the system integrated level is high, can provide the independent air feed of multichannel.
Description
Technical Field
The invention belongs to the technical field of ventilation equipment, and particularly relates to a multi-channel efficient integrated ventilator unit with heat exchange 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 aims to provide a multi-channel efficient integrated ventilator unit with heat exchange compensation, which can provide constant temperature fresh air for multiple rooms, and can compensate cold and heat sources through an auxiliary device when the cold and heat sources are not recovered sufficiently, and the system integration level is high, and can provide multi-channel independent air supply.
Therefore, the technical scheme adopted by the invention is as follows: a multichannel high-efficiency integrated ventilator unit with heat exchange compensation comprises a case, wherein a partition plate parallel to each other is arranged in the case to divide the case into a region I for installing an exhaust unit, a region II for installing a fresh air unit and a region III for installing an auxiliary cold and heat source unit, the right side of the region I is provided with N exhaust inlets, the left side of the region I is provided with an exhaust outlet, N is more than or equal to 2, the left side of the region II is provided with a fresh air inlet, the right side of the region II is provided with N fresh air outlets, the right end in the region I is separated by an air collecting cavity, and the region I is also provided with an exhaust filter, a first heat exchange tube, an exhaust motor, a four-way; a fresh air filter, a fresh air motor, a second heat exchange tube and auxiliary heat exchange tubes are arranged in the area II along the airflow direction, the number of the fresh air motor, the number of the second heat exchange tubes and the number of the auxiliary heat exchange tubes are respectively N and arranged side by side, fresh air outlets are arranged in one-to-one correspondence with the fresh air motor, the second heat exchange tubes and the auxiliary heat exchange tubes, and the fresh air outlets are divided into independent fresh air channels through partition plates to supply air to the rooms corresponding to the fresh air channels;
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 filter, the first heat exchange tube and the exhaust motor are sequentially arranged in the I area along the airflow 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.
Meanwhile, the invention also provides a control method of the multichannel high-efficiency integrated ventilator unit with the heat exchange compensation, which comprises the multichannel high-efficiency integrated ventilator unit with the heat exchange 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 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 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, the exhaust energy recovery device and the auxiliary cold and heat source compensation device are integrated in the same box body, the exhaust energy recovery device is formed by the first heat exchange tube, the second heat exchange tube, the four-way reversing valve and the compressor and used for realizing heat exchange recovery of exhaust air, the 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 system integration level is high, 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 figure 1, the multichannel high-efficiency integrated ventilator set with the heat exchange compensation function comprises a case, wherein three areas including an area I, an area II and an area III are formed by dividing two parallel partition plates in the case. Wherein, I district is used for installing the exhaust fan unit, II districts are used for installing fresh air unit, III districts are used for installing supplementary cold and hot source unit.
N air exhaust inlets 1 are formed in the right side of the area I, an air exhaust outlet 2 is formed in the left side of the area I, and N is larger than or equal to 2. The left side of the area II is provided with a fresh air inlet 3, and the right side 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.
The right-hand member in I district is provided with the baffle, separates out an solitary collection wind chamber 5, makes N1's of airing exhaust import wind converge evenly in collection wind chamber 5, more is favorable to the heat transfer effect. 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 arranged in the area I.
And a fresh air filter 11, a fresh air motor 12, a second heat exchange tube 13 and an auxiliary heat exchange tube 14 are arranged in the area 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 is automatically started to supplement the cold and heat source.
Preferably, the exhaust filter 6, the first heat exchange tube 7 and the exhaust motor 8 are sequentially arranged in the area I along the airflow 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 separately provided with a temperature sensor and an air quality sensor (not shown in the figure), and the fresh air motor 12 in each fresh air channel can be independently started, stopped and adjusted in air speed according to the requirements of the corresponding room.
Referring to fig. 1 and 2, a control method of a multichannel efficient integrated ventilator unit with heat exchange compensation includes the multichannel efficient integrated ventilator unit with heat exchange compensation. The specific process is as follows: when the system starts, the exhaust fan set, the fresh air unit and the exhaust energy recovery device run normally. When the room temperature value monitored by the temperature sensor is in a set range, the exhaust fan set, the fresh air set 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 a set value, the fresh air handling unit 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 (5)
1. The utility model provides a take high-efficient integral type integrated ventilator unit of multichannel of heat transfer compensation, includes quick-witted case, its characterized in that: the air conditioner is characterized in that the machine case is divided into a region I for installing an exhaust fan set, a region II for installing a fresh air set and a region III for installing an auxiliary cold and heat source unit (15) by mutually parallel partition plates, the right side of the region I is provided with N exhaust inlets (1), the left side of the region I is provided with an exhaust outlet (2), N is more than or equal to 2, the left side of the region II is provided with a fresh air inlet (3), the right side of the region II is provided with N fresh air outlets (4), the right end of the region I is separated by an air collecting cavity (5), and the region I is also provided with an exhaust filter (6), a first heat exchange tube (7), an exhaust motor (8), a four-way reversing valve (9; a fresh air filter (11), a fresh air motor (12), a second heat exchange tube (13) and an auxiliary heat exchange tube (14) are arranged in the area II along the airflow 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 a 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 tubes (14) and is divided into independent fresh air channels through 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 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 integrated high-efficiency integrated ventilator unit with heat exchange compensation function of claim 1, characterized in that: the exhaust filter (6), the first heat exchange tube (7) and the exhaust motor (8) are sequentially arranged in the I area 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).
3. The integrated high-efficiency integrated ventilator unit with heat exchange compensation function of claim 1, characterized in that: 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.
4. The integrated high-efficiency integrated ventilator unit with heat exchange compensation function of claim 1, characterized in that: 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.
5. A control method of a multi-channel efficient integrated ventilator unit with heat exchange compensation is characterized by comprising the following steps: the multi-channel high-efficiency integrated ventilator unit with heat exchange compensation of claim 4, wherein 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 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 reduced 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 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 quantity, and meanwhile, the voltage signal of the exhaust air motor (8) is increased to increase the exhaust air quantity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546325.1A CN112665082A (en) | 2020-12-23 | 2020-12-23 | Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011546325.1A CN112665082A (en) | 2020-12-23 | 2020-12-23 | Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method |
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| CN112665082A true CN112665082A (en) | 2021-04-16 |
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| CN202011546325.1A Pending CN112665082A (en) | 2020-12-23 | 2020-12-23 | Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883610A (en) * | 2021-09-23 | 2022-01-04 | 项发恒 | Intelligent air conditioning system |
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