CN220582660U - Air quantity valve remote monitoring system of central air conditioner - Google Patents
Air quantity valve remote monitoring system of central air conditioner Download PDFInfo
- Publication number
- CN220582660U CN220582660U CN202322205547.2U CN202322205547U CN220582660U CN 220582660 U CN220582660 U CN 220582660U CN 202322205547 U CN202322205547 U CN 202322205547U CN 220582660 U CN220582660 U CN 220582660U
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- CN
- China
- Prior art keywords
- gateway
- air quantity
- quantity valve
- plc
- monitoring system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 239000013307 optical fiber Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model relates to the technical field of central air conditioning systems, in particular to a remote monitoring system of an air quantity valve of a central air conditioner, which comprises: the PLC is connected with the upper computer; the gateway is connected with the PLC controller through an Ethernet line; the air quantity valve is connected with the gateway through a serial data line, the serial data line is communicated with the gateway through a BACNET protocol, and the PLC is communicated with the corresponding gateway through a PROF I NET protocol respectively. The system reduces the construction cost of a communication link, remotely monitors the air quantity valve in the working site, and simultaneously converts the communication protocol between the air quantity valve and the PLC through the gateway, so that the problem of communication compatibility among different devices is solved.
Description
Technical Field
The utility model relates to the technical field of central air conditioning systems, in particular to a remote monitoring system for an air quantity valve of a central air conditioner.
Background
In the past, the air quantity valve is usually manually controlled by a user by utilizing an indoor controller in a central air conditioning system, and in some larger offices, the manual switching of the controllers one by one is obviously inconvenient, so that long time is wasted, omission is possible, and a unified management control framework for the air quantity valve in the central air conditioning system is required to be designed remotely.
Disclosure of Invention
The utility model provides a remote monitoring system for an air quantity valve of a central air conditioner, which reduces the construction cost of a communication link, remotely monitors the air quantity valve in a working site, and simultaneously converts the communication protocol between the air quantity valve and a PLC (programmable logic controller) through a gateway, thereby solving the problem of communication compatibility among different devices.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an air volume valve remote monitoring system of a central air conditioner, comprising: the PLC is connected with the upper computer; the gateway is connected with the PLC controller through an Ethernet line; and the air quantity valve is connected with the gateway through a serial data line.
Preferably, the serial data line is communicated by using a BACNET protocol.
Preferably, the PLC controller communicates with the corresponding gateway through a PROF I NET protocol, respectively.
The utility model has the beneficial effects that: the system utilizes the optical fiber to realize the data communication between the central control room and the working site, thereby reducing the construction cost of a communication link, remotely supervising the air volume valve in the working site, and converting the communication protocol between the first air volume valve and the first PLC through the first gateway, so that the compatibility problem is solved. In addition, the first gateway, the second gateway and the third gateway respectively convert the communication protocols of the first air volume valve, the second air volume valve and the third air volume valve and communicate with the communication protocol of the first PLC controller, so that the compatibility problem is solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the basic structure of the present utility model;
fig. 2 is a schematic diagram of the practical application state of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to the embodiment shown in fig. 1, a remote monitoring system for an air volume valve of a central air conditioner includes: the upper computer 1 is arranged in the central control room 2, and the upper computer 1 is connected with the optical fiber switch 3; an optical-electrical switch 4, the optical-electrical switch 4 being arranged at a work site 5, and the optical-electrical switch 4 being connected to the optical-fiber switch 3 by an optical cable 12; the first PLC controller 6 is arranged on the working site 5 and is connected with the photoelectric switch 4 through an Ethernet cable 11, and the first PLC controller 6 is connected with the frequency converter 7, the instrument 8 and the intelligent air port 9 through a signal line 13; a first gateway 10, the first gateway 10 being arranged at the work site 5 and connected to the optoelectronic switch 4 by an ethernet line 11; a first air volume valve 15, the first air volume valve 15 is arranged outside the working site 5 and is connected with the first gateway 10 through a serial data line 14.
Through the arrangement, the system utilizes the optical fiber to realize the data communication between the central control room 2 and the working site 5, thereby reducing the construction cost of a communication link, and remotely monitoring the air quantity valve in the working site, wherein the optical fiber switch 3 is connected with an external network, so that a remote management scheme can be further realized.
According to the scale of the work site 5, as shown in fig. 2, the system further comprises a second PLC controller 16, an electric outlet switch 17, a second gateway 18 and a second air volume valve 19 which are arranged at the work site 5; the electric port switch 17 is connected with the photoelectric switch 4 through an Ethernet line 11, the second PLC controller 16 and the second gateway 18 are respectively connected with the electric port switch 17 through the Ethernet line 11, the second air volume valve 19 is connected with the second gateway 18 through a serial data line 14, and the second PLC controller 16 is connected with the frequency converter 7, the instrument 8 and the intelligent air port 9 through a signal line 13;
by this extension, in the large-sized work site 5, networking is performed by using the electric port switch 17, so that equipment arrangement is facilitated.
Further comprising a third PLC controller 20, a third gateway 21 and a third air volume valve 22 arranged at the work site 5; the third PLC controller 20 is connected to the electric port switch 17, the third gateway 21 is connected to the third PLC controller 20 through an ethernet line 11, the third air volume valve 22 is connected to the third gateway 21 through a serial data line 14, and the third PLC controller 20 is connected to the frequency converter 7, the meter 8, and the intelligent air port 9 through a signal line 13.
The above arrangement is used for the network end, so the third air volume valve 22 communicates directly with the third PLC controller 20 through the third gateway 21, thereby saving equipment investment.
To sum up, the serial data line 14 in the system communicates using the BACNET protocol, while the PLC controller as the master station communicates with the gateway via the remote I O. Therefore, as in the above embodiment, the first gateway 10, the second gateway 18, and the third gateway 21 convert the communication protocols of the first air volume valve 15, the second air volume valve 19, and the third air volume valve 22, respectively, and the communication protocol of the first PLC controller 6, thereby solving the compatibility problem.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a remote monitering system of blast gate of central air conditioning which characterized in that includes:
the PLC is connected with the upper computer;
the gateway is connected with the PLC controller through an Ethernet line;
and the air quantity valve is connected with the gateway through a serial data line.
2. The remote monitoring system for an air valve of a central air conditioner according to claim 1, wherein: the serial data line adopts BACNET protocol communication.
3. The remote monitoring system for an air valve of a central air conditioner according to claim 1, wherein: the PLC controller is communicated with the corresponding gateway through PROFINET protocol.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322205547.2U CN220582660U (en) | 2023-08-16 | 2023-08-16 | Air quantity valve remote monitoring system of central air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322205547.2U CN220582660U (en) | 2023-08-16 | 2023-08-16 | Air quantity valve remote monitoring system of central air conditioner |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220582660U true CN220582660U (en) | 2024-03-12 |
Family
ID=90108058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322205547.2U Active CN220582660U (en) | 2023-08-16 | 2023-08-16 | Air quantity valve remote monitoring system of central air conditioner |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220582660U (en) |
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2023
- 2023-08-16 CN CN202322205547.2U patent/CN220582660U/en active Active
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