CN111336767A - Remote control and data acquisition system and method for refrigeration house system - Google Patents
Remote control and data acquisition system and method for refrigeration house system Download PDFInfo
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- CN111336767A CN111336767A CN202010140141.9A CN202010140141A CN111336767A CN 111336767 A CN111336767 A CN 111336767A CN 202010140141 A CN202010140141 A CN 202010140141A CN 111336767 A CN111336767 A CN 111336767A
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- controller
- upper computer
- data acquisition
- plc
- refrigeration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
Abstract
The invention relates to a remote control and data acquisition system of a refrigeration house system, which comprises: a plurality of compressors; the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors; the protocol converter is connected to the plurality of PLC controllers; the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols; and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system. The invention accesses the refrigeration house project into the big data of the BMS building monitoring system, and after the data are managed uniformly, the data such as the local favorite of the product, the time and the like can be calculated, and the energy is saved on the basis.
Description
Technical Field
The invention relates to the technical field of a refrigeration house system, in particular to a remote control and data acquisition system and method of the refrigeration house system.
Background
In the prior art, a system of a control cabinet mainly comprises an upper computer, a direct digital control cabinet (hereinafter referred to as DDC control cabinet) and a heavy-current equipment control cabinet. The DDC control cabinet reads the state information and the transmission control information of the equipment through the IO port and transmits the related data to the upper computer for displaying. And simultaneously, the upper computer issues a control command to the system according to the received equipment information. The system of the control cabinet has a lot of inconveniences in the actual construction process, especially the wiring amount from the DDC control cabinet to the equipment control cabinet is increased along with the increase of the scale of engineering projects, and hundreds or more connecting terminals need to be led out from the DDC control cabinet to be respectively connected with the corresponding equipment connecting terminals. Because the wiring volume that the system of this kind of switch board needs is too big, so the installation and construction cycle is long, and the maintenance degree of difficulty in later stage is big, consumes with high costs.
Chinese patent No. CN205178306U discloses a control cabinet and a control cabinet system, wherein the control cabinet comprises: the refrigerator comprises a cabinet body, a door body and a door body, wherein at least one mounting space is arranged in the cabinet body; a strong electric control device and a weak electric control device for controlling the strong electric control device; the strong current control equipment and the weak current control equipment are correspondingly arranged and are positioned in the same installation space, and the strong current control equipment and the weak current control equipment are electrically connected.
The above prior art solutions have the following drawbacks: if all the control units of the refrigeration equipment are made by the DDC controller, firstly, the cost is increased greatly, secondly, the field construction and the later maintenance are very difficult, and secondly, if the DDC controller is used for controlling the refrigeration equipment, the operation of the refrigeration equipment is problematic due to unstable data transmission, the process requirement cannot be met, and the difficulty of the later maintenance is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a remote control and data acquisition system of a refrigeration house system and a remote control and data acquisition method of the refrigeration house system.
The above object of the present invention is achieved by the following technical solutions:
a remote control and data acquisition system of a refrigeration storage system comprises:
a plurality of compressors;
the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors;
the protocol converter is connected to the plurality of PLC controllers;
the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols; and
and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system.
By adopting the technical scheme, the refrigeration house project is accessed into the big data of the BMS building monitoring system, and after the data are uniformly managed, the data such as the local maximum preference to products and the local maximum use time can be calculated, and the energy is saved on the basis. In order to realize the combination of big data and refrigeration equipment data of the BMS building monitoring system, firstly, a PLC controller is installed on refrigeration equipment in the installation process, the PLC controllers are connected in series and are connected to an upper computer through different serial ports and data protocols, and the upper computer performs conversion according to different protocols, namely the double conversion of BMS data-upper computer data or upper computer data-BMS data, so that the seamless acquisition of data and the sending of control instructions are realized.
The present invention in a preferred example may be further configured to: the system also comprises a plurality of compressor fans which respectively correspond to the plurality of compressors and carry out data acquisition and instruction control through another PLC controller, and the other PLC controller is also connected to the upper computer through the protocol converter.
By adopting the technical scheme, the PLC is installed on the compressor fan and is connected to the upper computer through different serial ports and data protocols.
The present invention in a preferred example may be further configured to: the refrigeration system also comprises auxiliary equipment matched with the refrigeration equipment, the controllers are correspondingly arranged, and the auxiliary equipment is connected to the upper computer through a main controller.
Through adopting above-mentioned technical scheme, install the PLC controller on the supporting auxiliary assembly of refrigeration plant to concatenate the PLC controller, be connected to the host computer through different serial ports and data protocol simultaneously, realized the unified collection of refrigeration plant and the supporting auxiliary assembly's of refrigeration plant data like this.
The present invention in a preferred example may be further configured to: auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door.
By adopting the technical scheme, the auxiliary equipment matched with the refrigeration equipment is of a few types, and only some more conventional equipment is provided.
The present invention in a preferred example may be further configured to: the controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
Through adopting above-mentioned technical scheme, the controller and the main control unit on the supporting auxiliary assembly of refrigeration plant can all adopt the PLC controller, improve the uniformity of system, also can all adopt the DDC controller, and the supporting auxiliary assembly of refrigeration plant is less, adopts the DDC controller cost also can not be than adopting the PLC controller too much, can regard as another kind of selection.
The second aim of the invention is realized by the following technical scheme:
a plurality of PLC controllers are correspondingly installed on a plurality of compressors respectively and are connected to an upper computer through protocol converters, and the upper computer performs conversion in the upper computer according to different protocols and communicates with a BMS building monitoring system.
By adopting the technical scheme, the refrigeration house project is accessed into the big data of the BMS building monitoring system, and after the data are uniformly managed, the data such as the local maximum preference to products and the local maximum use time can be calculated, and the energy is saved on the basis. In order to realize the combination of big data and refrigeration equipment data of the BMS building monitoring system, firstly, a PLC controller is installed on the refrigeration equipment in the installation process, the PLC controllers are connected in series and are connected to an upper computer through different serial ports and data protocols, and the upper computer performs conversion according to different protocols, namely the double conversion of BMS data-upper computer data or upper computer data-BMS data, so that the seamless acquisition of data and the sending of control instructions are realized.
The present invention in a preferred example may be further configured to: and the plurality of compressor fans corresponding to the plurality of compressors are subjected to data acquisition and instruction control through another PLC (programmable logic controller), and the other PLC is also connected to the upper computer through the protocol converter.
By adopting the technical scheme, the PLC is installed on the compressor fan and is connected to the upper computer through different serial ports and data protocols.
The present invention in a preferred example may be further configured to: and a controller is also arranged on auxiliary equipment matched with the refrigeration equipment and is connected to the upper computer through a main controller.
Through adopting above-mentioned technical scheme, install the PLC controller on the supporting auxiliary assembly of refrigeration plant to concatenate the PLC controller, be connected to the host computer through different serial ports and data protocol simultaneously, realized the unified collection of refrigeration plant and the supporting auxiliary assembly's of refrigeration plant data like this.
The present invention in a preferred example may be further configured to: auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door.
By adopting the technical scheme, the auxiliary equipment matched with the refrigeration equipment is of a few types, and only some more conventional equipment is provided.
The present invention in a preferred example may be further configured to: the controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
Through adopting above-mentioned technical scheme, the controller and the main control unit on the supporting auxiliary assembly of refrigeration plant can all adopt the PLC controller, improve the uniformity of system, also can all adopt the DDC controller, and the supporting auxiliary assembly of refrigeration plant is less, adopts the DDC controller cost also can not be than adopting the PLC controller too much, can regard as another kind of selection.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the refrigeration house project is accessed into big data of a BMS building monitoring system, and after the data are managed uniformly, the data such as the local maximum preference for products and the local maximum use time can be calculated, and energy is saved on the basis;
2. in order to realize the combination of big data and refrigeration equipment data of the BMS building monitoring system, firstly, in the installation process, a PLC (programmable logic controller) is installed on the refrigeration equipment and auxiliary equipment (such as a compressor unit, a compressor fan, a water pump, field food processing equipment and the like) matched with the refrigeration equipment, the PLC is connected in series, and meanwhile, the PLC is connected to an upper computer through different serial ports and data protocols, so that the unified acquisition of the data of the refrigeration equipment and the auxiliary equipment matched with the refrigeration equipment is realized;
3. and meanwhile, conversion is carried out in the upper computer according to different protocols, namely double conversion of BMS data-upper computer data or upper data-BMS data is carried out, so that seamless data acquisition and control instruction sending are realized.
Drawings
FIG. 1 is a schematic block diagram of a system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a system of another embodiment of the present invention;
fig. 3 is a schematic block diagram of a system according to yet another embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a remote control and data acquisition system of a refrigeration storage system according to an embodiment of the present disclosure includes:
a plurality of compressors;
the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors;
the protocol converter is connected to the plurality of PLC controllers;
the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols, namely, the dual conversion of BMS data-upper computer data or upper data-BMS data is realized; and
and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system.
Referring to fig. 2, in another embodiment of the disclosure, a remote control and data acquisition system for a refrigeration storage system includes:
a plurality of compressors;
the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors;
the protocol converter is connected to the plurality of PLC controllers;
the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols, namely, the dual conversion of BMS data-upper computer data or upper data-BMS data is realized;
the plurality of compressor fans correspond to the plurality of compressors respectively, data acquisition and instruction control are carried out through another PLC controller, and the other PLC controller is also connected to the upper computer through the protocol converter; and
and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system.
Referring to fig. 3, in another embodiment of the disclosure, a remote control and data acquisition system for a refrigeration storage system includes:
a plurality of compressors;
the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors;
the protocol converter is connected to the plurality of PLC controllers;
the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols, namely, the dual conversion of BMS data-upper computer data or upper data-BMS data is realized;
the plurality of compressor fans correspond to the plurality of compressors respectively, data acquisition and instruction control are carried out through another PLC controller, and the other PLC controller is also connected to the upper computer through the protocol converter;
auxiliary equipment matched with the refrigeration equipment is correspondingly provided with a controller and is connected to the upper computer through a main controller; and
and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system.
The auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door; the controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
The invention accesses the refrigeration house project into the big data of the BMS building monitoring system, and after the data are managed uniformly, the data such as the local favorite maximum on what product and the time of using the data are calculated, and the energy is saved on the basis; at present, protocol converters on the market are all low-power and single, can only be used as data acquisition tools, and cannot realize quick data transmission and quick control instruction transmission. In order to realize the combination of big data and refrigeration equipment data of the BMS building monitoring system, firstly, in the installation process, a PLC (programmable logic controller) is installed on the refrigeration equipment and auxiliary equipment (such as a compressor unit, a compressor fan, a water pump, field food processing equipment and the like) matched with the refrigeration equipment, the PLC is connected in series, and meanwhile, the PLC is connected to an upper computer through different serial ports and data protocols, so that the unified acquisition of the data of the refrigeration equipment and the auxiliary equipment matched with the refrigeration equipment is realized; and meanwhile, conversion is carried out in the upper computer according to different protocols, namely double conversion of BMS data-upper computer data or upper data-BMS data is carried out, so that seamless data acquisition and control instruction sending are realized.
The reason for using the PLC controller in the refrigeration unit is that the PLC system has a high logic, and when the PLC is used as the system logic, the stability of the system and the safety and reliability of the system will be maximized. According to the invention, the PLC directly obtains data from the unit and the fan, the protocol conversion port is used for changing the modbus into the bacnet, and then the data is transmitted to the upper computer, and the data of the main controller and the unit are respectively transmitted to the upper computer through two lines, but both use the bacnet protocol.
The invention also provides a remote control and data acquisition method of the refrigeration house system, wherein a plurality of PLC controllers are correspondingly arranged on a plurality of compressors respectively, the PLC controllers are connected to the upper computer through protocol converters, and the upper computer performs conversion in the upper computer according to different protocols and communicates with the BMS building monitoring system, so that double conversion of BMS data-upper computer data or upper data-BMS data is realized. And the plurality of compressor fans corresponding to the plurality of compressors are subjected to data acquisition and instruction control through another PLC (programmable logic controller), and the other PLC is also connected to the upper computer through the protocol converter. And a controller is also arranged on auxiliary equipment matched with the refrigeration equipment and is connected to the upper computer through a main controller. Auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door. The controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a remote control and data acquisition system of freezer system which characterized in that includes:
a plurality of compressors;
the PLC controllers are respectively and correspondingly arranged on the compressors and are used for data acquisition and control of the compressors;
the protocol converter is connected to the plurality of PLC controllers;
the upper computer is connected to the protocol converter and used for converting in the upper computer according to different protocols; and
and the BMS building monitoring system is communicated with the upper computer and is used for acquiring various data of the refrigeration house system.
2. The remote control and data acquisition system of the freezer system of claim 1, characterized in that: the system also comprises a plurality of compressor fans which respectively correspond to the plurality of compressors and carry out data acquisition and instruction control through another PLC controller, and the other PLC controller is also connected to the upper computer through the protocol converter.
3. The remote control and data acquisition system of the freezer system of claim 1, characterized in that: the refrigeration system also comprises auxiliary equipment matched with the refrigeration equipment, the controllers are correspondingly arranged, and the auxiliary equipment is connected to the upper computer through a main controller.
4. The remote control and data acquisition system of the freezer system of claim 3, characterized in that: auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door.
5. The remote control and data acquisition system of the freezer system of claim 3, characterized in that: the controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
6. A remote control and data acquisition method of a refrigeration house system is characterized in that: the plurality of compressors are correspondingly provided with a plurality of PLC controllers respectively, the plurality of PLC controllers are connected to an upper computer through protocol converters, and the upper computer performs conversion in the upper computer according to different protocols and communicates with the BMS building monitoring system.
7. The remote control and data acquisition method for the refrigeration storage system according to claim 6, characterized in that: and the plurality of compressor fans corresponding to the plurality of compressors are subjected to data acquisition and instruction control through another PLC (programmable logic controller), and the other PLC is also connected to the upper computer through the protocol converter.
8. The remote control and data acquisition method for the refrigeration storage system according to claim 6, characterized in that: and a controller is also arranged on auxiliary equipment matched with the refrigeration equipment and is connected to the upper computer through a main controller.
9. The remote control and data acquisition method for the refrigeration storage system according to claim 8, characterized in that: auxiliary equipment matched with the refrigeration equipment comprises a water pump, field food processing equipment, a lighting system or an emergency door.
10. The remote control and data acquisition method for the refrigeration storage system according to claim 8, characterized in that: the controller is a PLC controller or a DDC controller, and the main controller is a main PLC controller or a main DDC controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010140141.9A CN111336767A (en) | 2020-03-03 | 2020-03-03 | Remote control and data acquisition system and method for refrigeration house system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010140141.9A CN111336767A (en) | 2020-03-03 | 2020-03-03 | Remote control and data acquisition system and method for refrigeration house system |
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| CN111336767A true CN111336767A (en) | 2020-06-26 |
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| CN202010140141.9A Pending CN111336767A (en) | 2020-03-03 | 2020-03-03 | Remote control and data acquisition system and method for refrigeration house system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN112577259A (en) * | 2020-12-09 | 2021-03-30 | 合肥美菱物联科技有限公司 | Combined refrigerator and interaction method thereof |
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| CN209946728U (en) * | 2019-07-20 | 2020-01-14 | 内蒙古佶睿科技有限公司 | Building automatic control system |
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| CN202275310U (en) * | 2011-09-23 | 2012-06-13 | 山东商业职业技术学院 | Intelligent monitor system of cold storage warehouse assembly |
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Cited By (2)
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| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN112577259A (en) * | 2020-12-09 | 2021-03-30 | 合肥美菱物联科技有限公司 | Combined refrigerator and interaction method thereof |
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Application publication date: 20200626 |
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