CN210663252U - Air volume distribution system - Google Patents
Air volume distribution system Download PDFInfo
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- CN210663252U CN210663252U CN201921427545.5U CN201921427545U CN210663252U CN 210663252 U CN210663252 U CN 210663252U CN 201921427545 U CN201921427545 U CN 201921427545U CN 210663252 U CN210663252 U CN 210663252U
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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 utility model relates to an amount of wind distribution system, include: the system comprises a cloud server, ventilation equipment, an air volume distribution device and a plurality of data acquisition devices; wherein the ventilation device is adapted to deliver air volume to the air volume distribution device; each data acquisition device is suitable for respectively acquiring air quality data of different indoor areas and sending the air quality data to the air volume distribution device; the air volume distribution device is suitable for sending air quality data of each indoor area to the cloud server; the cloud server is suitable for obtaining ventilation quantity required by each indoor area according to the air quality data of each indoor area and preset parameter data of each indoor area and sending the ventilation quantity to the air quantity distribution device; the air volume distribution device is suitable for distributing corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area; the utility model discloses can adjust the distribution to each indoor region's amount of wind size to adjust each indoor region's air quality, improve the distribution to each indoor region's amount of wind utilization ratio.
Description
Technical Field
The utility model belongs to the technical field of the amount of wind distribution, concretely relates to amount of wind distribution system.
Background
The existing fresh air system mainly adopts a traditional control mode of constant fresh air volume control, and the constant fresh air volume control mode ensures that the air volume distributed to each indoor area is fixed, so that the fresh air volume of small-area indoor areas and indoor areas with less personnel is excessive or large-area indoor areas and indoor areas with more personnel are insufficient, namely, the fresh air volume is unreasonably distributed, unnecessary fresh air sensible heat and latent heat loss are caused, and more energy is wasted; and the traditional control method can not be adjusted in time according to the change of indoor air quality, the air quality can not be ensured, and the comfort of personnel in indoor areas is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an amount of wind distribution system to the realization is adjusted respectively according to each indoor region's air quality data and is distributed to each indoor region's amount of wind size.
In order to solve the technical problem, the utility model provides an amount of wind distribution system, include: the system comprises a cloud server, ventilation equipment, an air volume distribution device and a plurality of data acquisition devices; wherein the ventilation device is adapted to deliver air volume to the air volume distribution device; each data acquisition device is suitable for respectively acquiring air quality data of different indoor areas and sending the air quality data to the air volume distribution device; the air volume distribution device is suitable for sending air quality data of each indoor area to the cloud server; the cloud server is suitable for obtaining ventilation quantity required by each indoor area according to the air quality data of each indoor area and preset parameter data of each indoor area and sending the ventilation quantity to the air quantity distribution device; and the air volume distribution device is suitable for distributing corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area.
Further, the air volume distribution device includes: the control module is respectively in communication connection with the cloud server and the ventilation equipment, and the air volume adjusting modules are connected with the control module; each air volume adjusting module corresponds to each data acquisition device one by one; the control module is suitable for receiving the air quality data acquired by each data acquisition device and sending the air quality data of each indoor area to the cloud server; and the control module is suitable for receiving ventilation quantity required by each indoor area from the cloud server and controlling the corresponding air quantity adjusting module to distribute the corresponding ventilation quantity to each indoor area.
Further, the air volume adjusting module comprises: the electromagnetic valve and the electromagnetic valve driving circuit; the solenoid valve driving circuit includes: a triode and a diode; the base electrode of the triode is connected to the adjusting signal output end of the control module through a base electrode resistor, and the emitting electrode of the triode is grounded; the collector of the triode is connected to the electromagnetic valve; the collector of the triode is also connected with the anode of the diode; and the cathode of the diode is connected with the first power supply.
Further, the air volume distribution device further includes: the power supply management module is connected with the control module; the power management module includes: the power supply switching circuit comprises a switching power supply circuit and a distribution end power supply conversion circuit; the switching power supply circuit is suitable for converting an external power supply into a first power supply; and the distribution end power supply conversion circuit is suitable for converting the first power supply into the second power supply.
Further, the data acquisition device includes: the processor module is in communication connection with the control module, and the data acquisition module is connected with the processor module; the data acquisition module is suitable for acquiring air quality data of an indoor area and sending the air quality data to the processor module; and the processor module is suitable for processing the air quality data and then sending the processed air quality data to the control module.
Further, the data acquisition module comprises: a carbon dioxide sensor, a temperature and humidity sensor and a PM2.5 sensor.
Further, the data acquisition device further comprises: and the air quality indicator lamp module is connected with the processor module.
Further, the data acquisition device further comprises: a power module connected to the processor module; the power module includes: a collection end power supply conversion circuit; and the acquisition end power supply conversion circuit is suitable for converting the first power supply into a third power supply.
Further, the air volume distribution system further includes: a wind pressure difference sensor positioned on a blast pipeline of the ventilation equipment; when the pressure difference detected by the air pressure difference sensor reaches a preset pressure difference value, the air quantity distribution device is started; and when the differential pressure detected by the wind differential pressure sensor is smaller than a preset differential pressure value, the air quantity distribution device is not opened.
The beneficial effects of the utility model are that, the utility model discloses an air distribution system passes through cloud ware, air distribution device and sets up the data acquisition device in different indoor areas, realizes adjusting respectively according to each indoor regional air quality data and each indoor regional parameter data of presetting and distributes to each indoor regional amount of wind size, can adjust each indoor regional air quality on the one hand, improves indoor regional personnel's comfort level; on the other hand, the air volume distributed to each indoor area can be respectively adjusted, the air volume utilization rate distributed to each indoor area is improved, and unnecessary energy waste is avoided.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic block diagram of an air volume distribution system of the present invention;
fig. 2 is a pin wiring diagram of the control module of the air volume distribution system of the present invention;
fig. 3 is a circuit diagram of the RS485 communication module of the air volume distribution system of the present invention;
fig. 4 is a circuit diagram of one of the solenoid valves of the air volume distribution system of the present invention;
fig. 5 is a schematic view of one of the solenoid valve interfaces of the air volume distribution system of the present invention;
fig. 6 is a circuit diagram of a switching power supply of the air volume distribution system of the present invention;
fig. 7 is a power supply switching circuit diagram of the distribution end of the air volume distribution system of the present invention;
fig. 8 is a pin wiring diagram of a processor module of the air volume distribution system of the present invention;
fig. 9 is a first LORA communication circuit diagram of the air distribution system of the present invention;
fig. 10 is a second LORA communication circuit diagram of the air distribution system of the present invention;
fig. 11 is a circuit diagram of an air quality indicator lamp module of the air volume distribution system of the present invention;
fig. 12 is a power conversion circuit diagram of the collection terminal of the air volume distribution system of the present invention.
Detailed Description
The structure of the present invention will now be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the present embodiment 1 provides an air volume distribution system including: the system comprises a cloud server, ventilation equipment, an air volume distribution device and a plurality of data acquisition devices; wherein the ventilation device is adapted to deliver air volume to the air volume distribution device; each data acquisition device is suitable for respectively acquiring air quality data of different indoor areas and sending the air quality data to the air volume distribution device; the air volume distribution device is suitable for sending air quality data of each indoor area to the cloud server; the cloud server is suitable for obtaining ventilation quantity required by each indoor area according to the air quality data of each indoor area and preset parameter data of each indoor area and sending the ventilation quantity to the air quantity distribution device; and the air volume distribution device is suitable for distributing corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area.
Specifically, the indoor area parameter data includes, but is not limited to: the area of the indoor area, the number of people in the indoor area, etc.
Specifically, the air volume distribution system of the embodiment sends the air quality data of each indoor area to the air volume distribution device through the data acquisition devices arranged in different indoor areas, the cloud server obtains the ventilation volume required by each indoor area according to the air quality data of each indoor area and the preset parameter data of each indoor area, and then the air volume distribution device distributes the corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area, so that on one hand, the air quality of each indoor area can be adjusted, and the comfort level of personnel in the indoor areas is improved; on the other hand, the air volume distributed to each indoor area can be respectively adjusted, and the air volume utilization rate distributed to each indoor area is improved.
Further, the air volume distribution device includes: the control module is respectively in communication connection with the cloud server and the ventilation equipment, and the air volume adjusting modules are connected with the control module; each air volume adjusting module corresponds to each data acquisition device one by one; the control module is suitable for receiving the air quality data acquired by each data acquisition device and sending the air quality data of each indoor area to the cloud server; and the control module is suitable for receiving ventilation quantity required by each indoor area from the cloud server and controlling the corresponding air quantity adjusting module to distribute the corresponding ventilation quantity to each indoor area.
Specifically, as shown in fig. 2, the control module is, for example and without limitation, an STM32F051R8T6 type microcontroller; the cloud server is in communication connection with the control module, such as but not limited to a WIFI module; the ventilator is communicatively connected to the control module, for example, but not limited to, through an RS485 communication module, as shown in fig. 3, the RS485 communication module includes: RS485 chip, TVS1 tube, TVS2 tube and TVS3 tube; the RS485 chip is for example but not limited to an SP3485EEN type chip; one end of the TVS1 tube is connected to one end of the TVS2 tube, and the other end is grounded; the other end of the TVS2 tube is connected to one end of the TVS3 tube; the other end of the TVS3 tube is connected to ground; the A1+ terminal of the ventilator is connected between the TVS1 tube and the TVS2 tube through a resistor R5; the B1-terminal of the ventilator is connected between the TVS2 and TVS3 tubes via a resistor R8; the A pin of the SP3485EEN type chip is also connected between the TVS1 tube and the TVS2 tube; the B pin of the SP3485EEN type chip is also connected between the TVS2 tube and the TVS3 tube; the DI pin of the SP3485EEN type chip is connected to the PA9 pin of the STM32F051R8T6 type microcontroller; the DE pin and the RE pin of the SP3485EEN type chip are connected to the PA8 pin of the STM32F051R8T6 type microcontroller; the RO pin of the SP3485EEN type chip is connected to the PA10 pin of the STM32F051R8T6 type microcontroller.
Further, the air volume adjusting module comprises: the electromagnetic valve and the electromagnetic valve driving circuit; the solenoid valve driving circuit includes: a triode and a diode; the base electrode of the triode is connected to the adjusting signal output end of the control module through a base electrode resistor, and the emitting electrode of the triode is grounded; the collector of the triode is connected to the electromagnetic valve; the collector of the triode is also connected with the anode of the diode; and the cathode of the diode is connected with the first power supply.
Specifically, in this embodiment, six electromagnetic valves are provided, and each electromagnetic valve corresponds to one electromagnetic valve driving circuit; each electromagnetic valve is respectively arranged on an air pipe which is connected with the air distribution device and the air inlet of each indoor area; since the solenoid valve driving circuits corresponding to the respective solenoid valves are the same, the present embodiment takes the solenoid valve F6 corresponding to the sixth indoor area and the solenoid valve driving circuit corresponding to the solenoid valve as an example for specific description, and as shown in fig. 4 and 5, the solenoid valve driving circuit includes: a transistor Q4 and a diode D7; the base electrode of the triode Q4 is connected to a PB7 pin of an STM32F051R8T6 type microcontroller through a base resistor R43, and the emitter electrode of the triode Q4 is grounded; the collector of the triode Q4 is connected to the electromagnetic valve; the collector of the transistor Q4 is also connected with the anode of the diode D7; and the cathode of the diode D7 is connected to the first power supply; if the air volume of the sixth indoor area needs to be adjusted, a PB7 pin of an STM32F051R8T6 type microcontroller outputs an adjusting signal VALVE6-A to a base electrode of a triode Q4, a collector electrode of the triode Q4 outputs a driving signal VALVE6-AO to an electromagnetic VALVE F6, the electromagnetic VALVE F6 is enabled to act according to the driving signal VALVE6-AO, and therefore the air volume entering the sixth indoor area is adjusted.
Further, the air volume distribution device further includes: the power supply management module is connected with the control module; the power management module includes: the power supply switching circuit comprises a switching power supply circuit and a distribution end power supply conversion circuit; the switching power supply circuit is suitable for converting an external power supply into a first power supply; and the distribution end power supply conversion circuit is suitable for converting the first power supply into the first power supply.
Specifically, the external power supply in this embodiment is 310V, and a first power supply of 12V is output through the switching power supply circuit; the switching power supply circuit is shown in fig. 6; converting a 12V first power supply into a 3.3V second power supply through a distribution end power supply conversion circuit; the distribution end power conversion circuit is shown in fig. 7, and a power conversion chip is, for example and without limitation, an LM2596-3.3 conversion chip.
Further, the data acquisition device includes: the processor module is in communication connection with the control module, and the data acquisition module is connected with the processor module; the data acquisition module is suitable for acquiring air quality data of an indoor area and sending the air quality data to the processor module; and the processor module is suitable for processing the air quality data and then sending the processed air quality data to the control module.
In particular, as shown in fig. 8, the processor module is, for example and without limitation, an N76E003AT20 type processor; the control module is in communication connection with the processor module through a wireless communication module, such as a ZIGBEE module, a WIFI module, a LORA communication module or a Bluetooth module; in this embodiment, the control module and the processor module are exemplified to be communicatively connected through a LORA communication module, where the LORA communication module includes a first LORA communication circuit at the distribution end and a second LORA communication circuit at the collection end, as shown in fig. 9 and 10, the first and second LORA communication circuits include, for example, but not limited to, an E32-400T20S type chip.
Further, the data acquisition module comprises: a carbon dioxide sensor, a temperature and humidity sensor and a PM2.5 sensor.
Specifically, the carbon dioxide sensor is, for example and without limitation, a T6703 type sensor, the output of which is connected to a PA3 pin of an N76E003AT20 type processor; the temperature and humidity sensor is, for example and without limitation, an SHT30 type sensor, and the output of the temperature and humidity sensor is connected to a PB4 pin and a PB5 pin of an N76E003AT20 type processor; the PM2.5 sensor is for example, but not limited to, a PM2012 type sensor whose output is connected to the PD1 pin and VCAP pin of an N76E003AT20 type processor.
Further, the data acquisition device further comprises: and the air quality indicator lamp module is connected with the processor module.
Specifically, the air quality indicator light module is convenient for indoor area personnel to know the air quality condition of the current indoor area; in this embodiment, as shown in fig. 11, the air quality indicator light module may output three color indicator lights, such as a green light, a yellow light, and a red light, and for example, the green light is turned on to represent that the air quality is good, the yellow light is turned on to represent that the air quality is good, and the red light is turned on to represent that the air quality is poor.
Further, the data acquisition device further comprises: a power module connected to the processor module; the power module includes: a collection end power supply conversion circuit; and the acquisition end power supply conversion circuit is suitable for converting the first power supply into a third power supply.
Specifically, a 12V first power supply is converted into a 5V third power supply through a collection end power supply conversion circuit; the power conversion circuit at the acquisition end is shown in fig. 12, and the power conversion chip is, for example and without limitation, an MC34063 conversion chip.
Further, the air volume distribution system further includes: a wind pressure difference sensor positioned on a blast pipeline of the ventilation equipment; when the pressure difference detected by the air pressure difference sensor reaches a preset pressure difference value, the air quantity distribution device is started; and when the differential pressure detected by the wind differential pressure sensor is smaller than a preset differential pressure value, the air quantity distribution device is not opened.
Specifically, the wind pressure difference sensor is, for example and without limitation, a QBM3020 type wind pressure difference sensor; when the pressure difference detected by the air pressure difference sensor reaches a preset pressure difference value, the air volume distribution device is opened when the ventilation equipment is opened, namely the control module controls the electromagnetic valves to be opened; when the pressure difference detected by the air pressure difference sensor is smaller than a preset pressure difference value, the ventilation equipment is not opened, the air volume distribution device is not opened, and the control module controls the electromagnetic valves to be closed.
In summary, in the air volume distribution system of this embodiment, the data acquisition devices arranged in different indoor areas send the air quality data of each indoor area to the air volume distribution device, the cloud server obtains the ventilation volume required by each indoor area according to the air quality data of each indoor area and the preset parameter data of each indoor area, and the air volume distribution device distributes the corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area, so that on one hand, the air quality of each indoor area can be adjusted, and the comfort level of personnel in the indoor areas is improved; on the other hand, the air volume distributed to each indoor area can be respectively adjusted, the air volume utilization rate distributed to each indoor area is improved, and unnecessary energy waste is avoided.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. An air volume distribution system, comprising:
the system comprises a cloud server, ventilation equipment, an air volume distribution device and a plurality of data acquisition devices; wherein
The ventilation equipment is suitable for conveying air volume to the air volume distribution device;
each data acquisition device is suitable for respectively acquiring air quality data of different indoor areas and sending the air quality data to the air volume distribution device;
the air volume distribution device is suitable for sending air quality data of each indoor area to the cloud server;
the cloud server is suitable for obtaining ventilation quantity required by each indoor area according to the air quality data of each indoor area and preset parameter data of each indoor area and sending the ventilation quantity to the air quantity distribution device; and
the air volume distribution device is suitable for distributing corresponding ventilation volume to each indoor area according to the ventilation volume required by each indoor area.
2. The air volume distribution system of claim 1,
the air volume distribution device includes:
the system comprises a control module in communication connection with a cloud server and a plurality of air volume adjusting modules connected with the control module;
each air volume adjusting module corresponds to each data acquisition device one by one;
the control module is suitable for receiving the air quality data acquired by each data acquisition device and sending the air quality data of each indoor area to the cloud server; and
the control module is suitable for receiving ventilation quantity required by each indoor area from the cloud server and controlling the corresponding air quantity adjusting module to distribute the corresponding ventilation quantity to each indoor area.
3. The air volume distribution system according to claim 2,
the air volume adjusting module comprises: the electromagnetic valve and the electromagnetic valve driving circuit;
the solenoid valve driving circuit includes: a triode and a diode;
the base electrode of the triode is connected to the adjusting signal output end of the control module through a base electrode resistor, and the emitting electrode of the triode is grounded;
the collector of the triode is connected to the electromagnetic valve;
the collector of the triode is also connected with the anode of the diode; and
the cathode of the diode is connected with the first power supply.
4. The air volume distribution system according to claim 2,
the air volume distribution device further includes: the power supply management module is connected with the control module;
the power management module includes: the power supply switching circuit comprises a switching power supply circuit and a distribution end power supply conversion circuit;
the switching power supply circuit is suitable for converting an external power supply into a first power supply; and
the distribution end power supply conversion circuit is suitable for converting a first power supply into a second power supply.
5. The air volume distribution system according to claim 2,
the data acquisition device includes:
the processor module is in communication connection with the control module, and the data acquisition module is connected with the processor module;
the data acquisition module is suitable for acquiring air quality data of an indoor area and sending the air quality data to the processor module; and
the processor module is suitable for processing the air quality data and then sending the processed air quality data to the control module.
6. The air volume distribution system according to claim 5,
the data acquisition module comprises: a carbon dioxide sensor, a temperature and humidity sensor and a PM2.5 sensor.
7. The air volume distribution system according to claim 5,
the data acquisition device further comprises: and the air quality indicator lamp module is connected with the processor module.
8. The air volume distribution system according to claim 5,
the data acquisition device further comprises:
a power module connected to the processor module;
the power module includes: a collection end power supply conversion circuit; and
the acquisition end power supply conversion circuit is suitable for converting the first power supply into a third power supply.
9. The air volume distribution system according to claim 3,
the air volume distribution system further includes: a wind pressure difference sensor positioned on a blast pipeline of the ventilation equipment;
when the pressure difference detected by the air pressure difference sensor reaches a preset pressure difference value, the air quantity distribution device is started; and
and when the differential pressure detected by the wind differential pressure sensor is smaller than a preset differential pressure value, the air quantity distribution device is not opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427545.5U CN210663252U (en) | 2019-08-30 | 2019-08-30 | Air volume distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921427545.5U CN210663252U (en) | 2019-08-30 | 2019-08-30 | Air volume distribution system |
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| CN210663252U true CN210663252U (en) | 2020-06-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594898A (en) * | 2020-12-17 | 2021-04-02 | 广东港丰建设有限公司 | Intelligent building ventilation energy-saving regulation and control method and system and storage medium thereof |
| CN114061080A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Fresh air control method and device, electronic equipment and storage medium |
-
2019
- 2019-08-30 CN CN201921427545.5U patent/CN210663252U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594898A (en) * | 2020-12-17 | 2021-04-02 | 广东港丰建设有限公司 | Intelligent building ventilation energy-saving regulation and control method and system and storage medium thereof |
| CN112594898B (en) * | 2020-12-17 | 2022-03-08 | 广东港丰建设有限公司 | Intelligent building ventilation energy-saving regulation and control method and system and storage medium thereof |
| CN114061080A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Fresh air control method and device, electronic equipment and storage medium |
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