CN215062761U - Digital intelligent fresh air valve - Google Patents
Digital intelligent fresh air valve Download PDFInfo
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- CN215062761U CN215062761U CN202121059953.7U CN202121059953U CN215062761U CN 215062761 U CN215062761 U CN 215062761U CN 202121059953 U CN202121059953 U CN 202121059953U CN 215062761 U CN215062761 U CN 215062761U
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- fresh air
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Abstract
The utility model provides a digital intelligent fresh air valve, which comprises a valve body, an adjustable valve plate arranged in the valve body, an adjusting actuating mechanism, a human body quantity detector and a control unit, wherein the adjusting actuating mechanism, the human body quantity detector and the control unit are connected with the adjustable valve plate; the number of persons in the room is detected by the human body number detector, wherein the human body number detector has only one, so that the control unit controls the adjusting actuating mechanism.
Description
Technical Field
The utility model relates to a new trend control technical field especially relates to a new trend valve of digital intelligence.
Background
The human body quantity detection of the existing digital intelligent fresh air valve is to detect the quantity of people entering and exiting indoor people by utilizing a human body detector at the room inlet side and a human body detector at the room outlet side; however, in this way, when two people are present inside and outside the door at the same time, the digital intelligent fresh air valve is very easy to make misjudgment errors, so that the real-time fresh air volume introduced into the indoor room is not matched with the fresh air volume required by the real-time people in the room.
There is therefore a need for a digital intelligent fresh air valve that can effectively address the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new trend valve of digital intelligence can effectively be according to indoor specific number of people introduce with the specific new amount of wind of indoor personnel quantity assorted to realize that central air conditioning new trend system can be energy-conserving can guarantee the balanced purpose of indoor health standard and air volume again.
The utility model provides a digital intelligent fresh air valve, which comprises a valve body, an adjustable valve plate arranged in the valve body, an adjusting actuating mechanism, a human body quantity detector and a control unit, wherein the adjusting actuating mechanism, the human body quantity detector and the control unit are connected with the adjustable valve plate; detecting the number of persons in a room through the human body number detector so as to enable the control unit to control the adjusting actuating mechanism, wherein the number of the human body detectors is one and only one;
when a human body enters the room, the human body number detector detects that the human body enters the room from the outside of the room, and therefore the number of people in the room is increased;
when the human body is out of the room, the human body quantity detector detects that the human body is out of the room from the inside of the room, and therefore the number of people in the room is reduced.
Furthermore, the air quantity measuring device is used for measuring the air quantity flowing through the valve body, the air quantity measuring device is arranged at the air inlet or the air outlet of the valve body, and one end of the air quantity measuring device is connected with the control unit.
Furthermore, a first communication port is arranged on the control unit and used for being connected with a human-computer interface to perform data communication exchange, and a user can monitor, modify and set parameters such as the wind speed, the wind volume and the number of indoor personnel of the digital intelligent fresh air valve through the human-computer interface.
Furthermore, a second communication port is arranged on the control unit, the second communication port is used for carrying out communication data exchange with an external server, and data monitoring can be carried out on data in the control unit through the external server.
Furthermore, the physical interface of the communication port adopts any one of Ethernet, RS485 and RS232 LONWORKS, and the communication protocol of the communication port can adopt a plurality of protocols such as MODBUSRTU, BACNETMS/TP, BACNETIP, M-BUS and the like.
Furthermore, the control unit is provided with a startup and shutdown signal interface externally connected with the fresh air handling unit, and when the digital intelligent fresh air valve detects that people exist in a room, the startup and shutdown signal interface sends a startup command signal to the fresh air handling unit.
Furthermore, an air pressure difference sensor is arranged on the control unit, and the air pressure difference sensor is used for detecting the wind speed of fresh air flowing through the valve body.
Furthermore, the human body number detector adopts any one of an infrared human body detector, a photoelectric inductive switch, a laser inductive proximity switch, an ultrasonic human body inductive switch, a microwave human body detector and a radar body inductive switch.
Further, the valve body is circular, square or Venturi in shape.
The utility model is provided with the adjustable valve plate and the proportional electric adjusting actuating mechanism, and the proportional electric adjusting actuating mechanism drives the adjustable valve plate to adjust the opening of the valve so as to adjust the fresh air volume sent into the room; still correspond through setting up single room and have single human quantity detector, utilize human quantity detector to detect the specific number of people in the room to can get into the required specific new trend amount of wind of indoor personnel quantity according to indoor personnel's quantity control, with the purpose that realizes energy-conservation and satisfy indoor sanitary standard and amount of wind balance.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
Fig. 1 is a schematic structural diagram of a digital intelligent fresh air valve according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a digital intelligent fresh air valve according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a digital intelligent fresh air valve according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a digital intelligent fresh air valve according to another embodiment of the present invention.
Fig. 5 is a schematic view of the digital intelligent fresh air valve according to another embodiment of the present invention.
Fig. 6 is a control schematic diagram of the digital intelligent fresh air valve according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Please refer to fig. 1-6, the utility model provides a digital intelligent fresh air valve 100, digital intelligent fresh air valve 100 includes valve body 10, locates adjustable valve plate 20, proportional type electric regulation actuating mechanism 30, the control unit 40, air volume measuring device 50, human body quantity detector 60, other standby signal detecting unit, air valve motor control unit, relay, first communication port, second communication port, new trend unit 70 in the valve body 10, proportional type electric regulation actuating mechanism 30 includes the electric machine motor, the control unit 40 passes through the control of air valve motor control unit the electric machine motor and then realizes the governing valve opening degree, air volume measuring device 50 locates the air intake or the air outlet of valve body 10, just the one end of air volume measuring device 50 with the control unit 40 is connected.
The valve body 10 is arranged between a fresh air branch pipe 210 which is led into a room by a fresh air supply main pipe and an indoor room, and the adjustable valve plate 20 is driven by controlling the proportional electric adjusting actuating mechanism 30 to adjust the fresh air quantity which enters the indoor room from the fresh air branch pipe 210; the human number detector 60 is used to detect a human.
The human body number detector 60 is connected to the control unit 40, and the human body number detector 60 detects the number of people in the room to control the adjusting and executing mechanism 30 by the control unit 40, wherein the number of the human body number detector 60 is only one, and the human body number detector can be arranged on the inner side or the outer side of the door of the room or other areas capable of effectively detecting the number of the human body.
The utility model provides a pair of embodiment's new blast gate 100 of digital intelligence control principle: the air quantity measuring device 50, the human body quantity detector 60 and the proportional electric adjusting actuating mechanism 30 are all connected to the control unit 40, through the sensors connected with the control unit 40, the human body quantity detector 60 calculates the actual required specific air quantity by calculation according to the number of people entering and exiting an indoor room and compares the actual required specific air quantity with the real-time fresh air quantity collected from the fresh air main pipe 200 and sent into the room through the digital intelligent fresh air valve 100 on the fresh air branch pipe 210, and the proportional electric adjusting actuating mechanism 30 drives the opening degree of the adjustable digital intelligent fresh air valve 100 by PID proportional integral data calculation, so that the real-time air quantity flowing through the digital intelligent fresh air valve 100 is close to or equal to the specific total fresh air quantity required by the number of indoor people, and constant air supply is kept.
The human body number detector 60 detects that a human body enters the room from the outside of the room when the human body enters the room, thereby judging that the number of people in the room increases.
When the human body is moved out of the room, the human body number detector 60 detects that the human body is moved out of the room from the inside of the room, and thus determines that the number of people in the room is decreased.
Specifically, the control unit 40 determines the valve opening degree by comparing the calculated actual required total fresh air volume of the indoor personnel with the real-time fresh air volume Q flowing through the valve body 10, and then converts the valve opening degree into a voltage signal to control the proportional electric adjusting actuator 30 to drive the adjustable valve plate 20 to adjust the output air volume.
The utility model is provided with the adjustable valve plate 20 and the proportional electric adjusting actuator 30, and the proportional electric adjusting actuator 30 drives the adjustable valve plate 20 to adjust the opening of the valve so as to adjust the fresh air volume introduced into the room; the human body quantity detector 60 connected with the control unit 40 is arranged, and the human body quantity detector 60 is used for judging the specific number of people in the room, so that the specific fresh air quantity required by the number of people entering the room can be controlled according to the number of people, the energy-saving effect is achieved, and the indoor sanitary standard and the aim of air quantity balance are guaranteed.
In the present embodiment, the control unit 40 employs a dedicated controller; in other embodiments, the control unit 40 may also adopt a controller such as a commercially available mainstream single chip microcomputer, a programmable controller, a direct digital controller, a Distributed Control System (DCS), and the like.
In some embodiments, the standby signal detecting unit of the control unit 40 reserves a plurality of standby signal detecting signal channels, and the standby signal channels can be configured on the external human-machine interface 80 according to the requirement of the user to implement the function required by the user, and the configuration function is as follows: shutdown/switch, forced output, holding mode, manual and automatic mode, etc.
In some embodiments, the motor controlled by the air valve motor control unit can adopt an alternating current motor and also can adopt a direct current motor.
Specifically, the relay outputs a dry contact signal, and mainly provides a power on/off signal to control the external fresh air handling unit 70, and the relay does not need to be used as the dry contact signal and affects the normal use of the function.
In some embodiments, the high-pressure port and the low-pressure port of the air volume measuring device 50 are respectively connected to a built-in differential pressure (wind speed) measuring module in the control unit 40 through hoses, and the differential pressure (wind speed) measuring module can also be connected externally and independently.
Specifically, the human body number detector 60 may be selected from various types of detection sensors having a human body detecting function, such as an infrared human body number detector 60, a photoelectric sensing switch, a laser sensing proximity switch, an ultrasonic wave, a radar, and the like.
In some embodiments, referring to fig. 1 and 4, the air volume measuring device 50 measures the air volume of the valve body by using a hot-film air volume sensor, a hot-wire air volume sensor, a karman vortex air volume sensor or a vane type air volume sensor.
Referring to fig. 2 and 3, in some embodiments, the air volume measuring device 50 uses a pitot tube air volume sensor to measure the air volume in the valve body
Referring to fig. 1 and 2, in some embodiments, the valve body 10 is in a circular or square structure.
Referring to fig. 3 and 4, in some embodiments, the valve body 10 is shaped as a venturi-shaped structure.
The first communication port of the control unit 40 exchanges communication data with the external human-computer interface 80, data monitoring can be performed through data in the control unit 40 of the human-computer interface 80, the external human-computer interface 80 can be used in a plug-and-play mode through modification and setting, hot plug is supported, and when the human-computer interface 80 is not needed, normal operation and use functions of the control unit 40 are not affected.
The second communication port of the control unit 40 performs communication data exchange with the external server, data monitoring can be performed through the external server and data in the control unit 40, the external server can be modified, set and used in a plug-and-play mode, hot plugging is supported, and the normal operation and use functions of the control unit 40 are not affected when the external server is not needed.
Specifically, the physical interface of the first communication port and/or the second communication port is not limited to a certain type of interface, and various ways such as ethernet, RS485, RS232, LONWORKS, etc. which are mainstream today may be adopted; the communication protocol of the first communication port and/or the second communication port can adopt various communication protocols such as current mainstream MODBUSRTU, BACNET MS/TP, BACNETIP, M-BUS and the like.
Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.
Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.
Claims (10)
1. A digital intelligent fresh air valve is characterized by comprising a valve body, an adjustable valve plate arranged in the valve body, an adjusting actuating mechanism connected with the adjustable valve plate, a human body quantity detector, an air volume measuring device and a control unit, wherein the adjusting actuating mechanism, the human body quantity detector and the air volume measuring device are connected with the control unit; detecting the number of persons in a room through the human body number detector so that the control unit controls the adjusting actuating mechanism, wherein the human body number detector has one or only one;
when a human body enters the room, the human body number detector detects that the human body enters the room from the outside of the room, and therefore the number of people in the room is increased;
when the human body is out of the room, the human body quantity detector detects that the human body is out of the room from the inside of the room, and therefore the number of people in the room is reduced.
2. The digital intelligent fresh air valve according to claim 1, wherein the air volume measuring device is arranged at an air inlet or an air outlet of the valve body, and one end of the air volume measuring device is connected with the control unit.
3. The digital intelligent fresh air valve according to claim 1, wherein a first communication port is arranged on the control unit, the first communication port is used for being connected with a human-computer interface to perform data communication exchange, and a user can monitor, modify and set parameters such as wind speed, wind volume and the number of indoor personnel of the digital intelligent fresh air valve through the human-computer interface.
4. The digital intelligent fresh air valve according to claim 1, wherein a second communication port is arranged on the control unit, the second communication port is used for communication data exchange with an external server, and data monitoring can be performed through the external server and data in the control unit.
5. The digital intelligent fresh air valve according to claim 3 or 4, wherein the physical interface of the communication port adopts any one of Ethernet, RS485 and RS232 LONWORKS, and the communication protocol of the communication port can adopt a plurality of protocols such as MODBUS RTU, BACNET MS/TP, BACNET IP and M-BUS.
6. The digital intelligent fresh air valve as claimed in claim 1, wherein the control unit is provided with a power on/off signal interface externally connected with a fresh air handling unit, and the power on/off signal interface sends a power on command signal to the fresh air handling unit when the digital intelligent fresh air valve detects that people are in a room.
7. The digital intelligent fresh air valve as claimed in claim 1, wherein the control unit is provided with a differential air pressure sensor, and the differential air pressure sensor is used for detecting the speed of fresh air flowing through the valve body.
8. The digital intelligent fresh air valve as claimed in claim 1, wherein the wind speed monitoring device is a hot film type wind speed sensor for measuring the wind speed of the air in the air volume adjusting valve.
9. The digital intelligent fresh air valve according to claim 1, wherein the human body number detector is any one of an infrared human body detector, a photoelectric inductive switch, a laser inductive proximity switch, an ultrasonic human body inductive switch, a microwave human body detector and a radar inductive switch.
10. The digital intelligent fresh air valve as claimed in claim 1, wherein the valve body is circular, square or venturi in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121059953.7U CN215062761U (en) | 2021-05-18 | 2021-05-18 | Digital intelligent fresh air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121059953.7U CN215062761U (en) | 2021-05-18 | 2021-05-18 | Digital intelligent fresh air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215062761U true CN215062761U (en) | 2021-12-07 |
Family
ID=79218047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121059953.7U Active CN215062761U (en) | 2021-05-18 | 2021-05-18 | Digital intelligent fresh air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215062761U (en) |
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2021
- 2021-05-18 CN CN202121059953.7U patent/CN215062761U/en active Active
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