CN211345701U - Air volume control device of exhaust fan of livestock house - Google Patents
Air volume control device of exhaust fan of livestock house Download PDFInfo
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- CN211345701U CN211345701U CN202020047106.8U CN202020047106U CN211345701U CN 211345701 U CN211345701 U CN 211345701U CN 202020047106 U CN202020047106 U CN 202020047106U CN 211345701 U CN211345701 U CN 211345701U
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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 exhaust fan air volume control device of livestock and poultry house, which comprises a central processing unit, an air volume detector and an air volume controller, wherein the air volume controller is an air valve, the air valve comprises an air valve controller and a wind shield, the wind shield is arranged in an air channel of the exhaust fan, and the air valve controller controls the wind shield to rotate; the air volume detector comprises an acquisition module and a processing module, wherein the acquisition module is used for acquiring the air pressure in the air duct, and the processing module is used for calculating the air volume; the processing module and the air valve controller are connected to the central processing unit. The utility model has the advantages that the air quantity detector directly collects the air quantity in the air duct and is matched with the opening and closing size of the air valve to monitor and control the air quantity in real time, thereby achieving the purpose of accurate control; the air valve is used for controlling the air quantity, and compared with the rotating speed of the direct control fan, the control precision is higher, and the cost is lower.
Description
Technical Field
The utility model relates to an exhaust fan field, more specifically, the utility model relates to an exhaust fan air volume control device of birds animal house.
Background
In the livestock industry, in order to keep the air in the livestock house clean and the temperature in the livestock house constant, an exhaust fan is usually installed on the side wall or the roof of the livestock house, and the ventilation and exchange of the air in the livestock house are realized by the exhaust fan.
The existing exhaust fans in the poultry and livestock houses usually only have on-off control of switches, and for the fine management of the poultry and livestock industry nowadays, the exhaust fans obviously cannot meet the requirements; if the parameters of temperature, humidity and the like in the livestock house need to be managed finely, the air volume of the exhaust fan needs to be controlled.
Therefore, a device capable of controlling the air volume of the exhaust fan is needed to meet the actual requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of the accurate detection and control amount of wind.
According to one aspect of the utility model, the air volume control device of the exhaust fan of the livestock house comprises a central processing unit, an air volume detector and an air volume controller, wherein the air volume controller is an air valve, the air valve comprises an air valve controller and a wind shield, the wind shield is arranged in an air channel of the exhaust fan, and the air valve controller controls the wind shield to rotate; the air volume detector comprises an acquisition module and a processing module, wherein the acquisition module is used for acquiring the air pressure in the air duct, and the processing module is used for calculating the air volume; the processing module and the air valve controller are connected to the central processing unit.
According to the scheme, the air volume detector directly collects the air volume in the air duct and is matched with the opening and closing size of the air valve, so that the air volume is monitored and controlled in real time, and the aim of accurate control is fulfilled; the air valve is used for controlling the air quantity, and compared with the rotating speed of the direct control fan, the control precision is higher, and the cost is lower.
Preferably, the processing module is connected to the central processor through a remote communication module, and the air valve controller is communicated to the central processor through the remote communication module.
Through this scheme, this device can carry out remote communication to remote monitoring and control.
Preferably, the air valve controller is a power-down open-type controller.
Through this scheme, if suddenly have a power failure in the birds animal house, the blast gate can be opened completely, keeps the ventilation of birds animal house.
Preferably, the collection module is a collection pipe and an air pressure sensor, one end of the collection pipe extends into the air duct, the other end of the collection pipe is communicated to the air pressure sensor, and the air pressure sensor is connected to the processing module.
Through this scheme, the wind pressure that the utilization was surveyed and then convert into the amount of wind, realize the measuring of the amount of wind, compare in traditional mechanical fan blade formula and survey the amount of wind, stability is better, and the life-span is higher, can not receive damp and hot air influence in the poultry animal house.
Preferably, there are two air pressure sensors, the collecting pipe comprises a stamping pipe and a total pressure pipe, the stamping pipe is opened in a direction parallel to the air duct, and the total pressure pipe is opened in a direction perpendicular to the air duct; the total pressure pipe and the stamping pipe are respectively connected to the two air pressure sensors.
Through the scheme, the more accurate wind speed value can be obtained by utilizing the pressure difference of the two air pressure sensors and according to the calculation of the Bernoulli equation, and the more accurate wind quantity can be obtained.
Preferably, the air volume detector further comprises a display module and an input module.
The utility model discloses a technological effect lies in, the real-time amount of wind that this device can the accurate determination exhaust fan to real-time transmission information to central processing unit utilizes the opening size of control blast gate, realizes the purpose of accurate control volume of airing exhaust.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a block diagram showing the structure of an exhaust fan air volume control device of an animal house according to an embodiment of the present invention.
Fig. 2 is a schematic view showing the installation positions of the airflow detector and the airflow controller in the exhaust fan airflow control device of the poultry house shown in fig. 1.
Fig. 3 is a schematic view of the structure of the air volume detector in fig. 2.
Fig. 4 is a schematic sectional view taken along line a-a in fig. 3.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 4, the air volume control device of the exhaust fan of the poultry house in the embodiment includes a central processing unit 1100, an air volume detector 1200 and an air volume controller, the air volume controller is an air valve 1300, the air valve 1300 includes an air valve controller 1310 and a wind deflector (not shown in the figure), the wind deflector is disposed in the air duct 2000 of the exhaust fan, and the air valve controller 13100 controls the wind deflector to rotate; the air volume detector 1200 includes an acquisition module 1220 and a processing module 1210, wherein the acquisition module 1220 is configured to acquire air pressure in the air duct 2000, and the processing module 1210 is configured to calculate an air volume; the processing module 1210 and the damper controller 1310 are both connected to the central processor 1100.
According to the scheme of the embodiment, the air volume detector 1200 directly collects the air volume in the air duct 2000, and is matched with the opening and closing size of the air valve 1300 to monitor and control the air volume in real time, so that the aim of accurate control is fulfilled; the air valve 1300 is used for controlling the air quantity, and compared with the method that the rotating speed of the fan is directly controlled by the frequency converter, the control precision is higher, and the cost is lower.
The central controller 1100 in this embodiment is, for example, a microcomputer, a PLC, a mobile phone, a tablet, or other devices, and has functions of data processing and human-computer interaction. The processing module 1210 is, for example, a single chip or a PLC, and has functions of data processing and data storage.
In this or other embodiments, the processing module 1210 is coupled to the cpu 1100 via a remote communication module 1230, and the damper controller 1310 is coupled to the cpu 1100 via the remote communication module 1230. The device can carry out remote communication so as to facilitate remote monitoring and control. The remote communication module 1230 is, for example, an RS485 module, and can perform wireless or wired data transmission.
In this or other embodiments, the damper controller 1310 is a power-down open controller. If there is a sudden power outage in the poultry house, the damper 1300 can be fully opened to maintain ventilation of the poultry house. The air valve controller 1310 is, for example, an air valve actuator with model number SM24A-SR produced by the conspiracy corporation, and has a power-down opening function, so that the air valve 1300 is prevented from being closed after power down, and indoor and outdoor air cannot be exchanged.
In this or other embodiments, the collection module 1220 includes a collection tube 1221 and an air pressure sensor 1222, one end of the collection tube 1221 extends into the air duct 2000, the other end of the collection tube 1221 is connected to the air pressure sensor 1222, and the air pressure sensor 1222 is connected to the processing module 1210. Utilize the wind pressure that records and then convert into the amount of wind, realize the measuring of the amount of wind, compare in traditional mechanical fan blade formula and survey the amount of wind, stability is better, and the life-span is higher, can not receive the influence of damp and hot air and dust in the birds animal house, avoids receiving the influence of muddy water or corrosion etc. in the mechanical fan blade formula sensor course of operation.
In this embodiment or other embodiments, there are two air pressure sensors 1222, and the collecting pipe 1221 includes a punching pipe 1221-1 and a total pressure pipe 1221-2, the punching pipe 1221-1 opens parallel to the air duct 2000, and the total pressure pipe 1221-2 opens perpendicular to the air duct 2000; the total pressure pipe 1221-2 and the ram pipe 1221-1 are connected to two air pressure sensors 1222, respectively. By using the pressure difference between the two baroceptors 1222 and calculating according to the bernoulli equation, a more accurate wind speed value and thus a more accurate wind volume can be obtained. The difference value of the wind pressure values can obtain the wind speed in the wind channel 2000 according to the bernoulli equation, and the product of the wind speed and the wind channel 2000 can obtain the wind volume of the wind channel 2000.
In this embodiment or other embodiments, the air volume detector 1200 further includes a display module 1240 and an input module 1250. The display module 1240 is, for example, a liquid crystal display or a digital tube panel, and can display parameter data such as air volume or air pressure; the input module 1250 is, for example, a key or a touch panel, and can adjust parameters of the air volume detector 1200.
One technical effect of this embodiment is that the device can accurately measure the real-time air volume of the exhaust fan, transmit information to the central processing unit in real time, and realize the purpose of accurately controlling the air volume by controlling the opening size of the air valve.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. An air volume control device of an exhaust fan of a livestock house comprises a central processing unit, an air volume detector and an air volume controller, and is characterized in that the air volume controller is an air valve, the air valve comprises an air valve controller and a wind shield, the wind shield is arranged in an air duct of the exhaust fan, and the air valve controller controls the wind shield to rotate; the air volume detector comprises an acquisition module and a processing module, wherein the acquisition module is used for acquiring the air pressure in the air duct, and the processing module is used for calculating the air volume; the processing module and the air valve controller are connected to the central processing unit.
2. An exhaust fan air volume control device for a poultry and livestock house as claimed in claim 1, wherein said processing module is connected to said central processor through a remote communication module, and said damper controller is connected to said central processor through said remote communication module.
3. An exhaust fan air volume control device for a poultry and livestock house according to claim 2, characterized in that said air valve controller is a power-off open type controller.
4. An exhaust fan air volume control device for an animal house according to claim 2, wherein the collection module is a collection pipe and an air pressure sensor, one end of the collection pipe extends into the air duct, the other end of the collection pipe is communicated to the air pressure sensor, and the air pressure sensor is connected to the processing module.
5. An exhaust fan air volume control device for an animal house according to claim 4, wherein there are two air pressure sensors, the collecting pipe includes a punching pipe and a total pressure pipe, the punching pipe has an opening facing parallel to the air duct, and the total pressure pipe has an opening perpendicular to the air duct; the total pressure pipe and the stamping pipe are respectively connected to the two air pressure sensors.
6. An exhaust fan air volume control device for an animal house according to any one of claims 1 to 5, wherein said air volume detector further comprises a display module and an input module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047106.8U CN211345701U (en) | 2020-01-09 | 2020-01-09 | Air volume control device of exhaust fan of livestock house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047106.8U CN211345701U (en) | 2020-01-09 | 2020-01-09 | Air volume control device of exhaust fan of livestock house |
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| Publication Number | Publication Date |
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| CN211345701U true CN211345701U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020047106.8U Active CN211345701U (en) | 2020-01-09 | 2020-01-09 | Air volume control device of exhaust fan of livestock house |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322229A (en) * | 2022-01-06 | 2022-04-12 | 杭州中联筑境建筑设计有限公司 | Supporting air conditioning system that uses of combined heat and power generation |
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2020
- 2020-01-09 CN CN202020047106.8U patent/CN211345701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322229A (en) * | 2022-01-06 | 2022-04-12 | 杭州中联筑境建筑设计有限公司 | Supporting air conditioning system that uses of combined heat and power generation |
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