CN211264137U - Modularization air conditioner electrical system - Google Patents
Modularization air conditioner electrical system Download PDFInfo
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- CN211264137U CN211264137U CN202020139019.5U CN202020139019U CN211264137U CN 211264137 U CN211264137 U CN 211264137U CN 202020139019 U CN202020139019 U CN 202020139019U CN 211264137 U CN211264137 U CN 211264137U
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Abstract
The utility model discloses a modularization air conditioner electrical system, include: the main control module at least comprises a main control board, at least one path of photoelectric isolation input port, at least one path of relay output port, at least one path of photoelectric isolation output port, at least one path of analog-digital input port, at least one path of voltage detection port, at least one path of current detection port, at least one path of communication interface and at least one path of signal output interface; the power supply module is used for converting commercial power into at least one direct current voltage; and the peripheral module and the main control module carry out data transmission through an RS485 communication bus. The utility model provides a modularization air conditioner electrical system realizes making up peripheral module and host system in order to form electrical system as required to user's demand flexibility, shortens development cycle, reduces the cost of labor.
Description
Technical Field
The utility model relates to an air conditioner technical field, specifically speaking relates to a modularization air conditioner electrical system.
Background
The existing industrial and commercial products such as industrial air conditioners, commercial air conditioners and the like are mainly customized by customers, and have the characteristics of diversified product functions, diversified system configuration, short construction period and the like; in order to meet various demands on the market, various spare interfaces need to be reserved on a main control circuit board, so that great resource and cost waste is caused; if the reserved port is insufficient, a new circuit board and various tests need to be planned, and the situations that the supply cannot be carried out on time, the labor cost is greatly increased and the like occur.
Under the condition, a circuit board building mode similar to a PLC networking mode is needed, various requirements of customers can be met as much as possible, stable and reliable circuits with various configurations can be built rapidly according to the requirements of the customers, and meanwhile, input cost (including labor cost and research and development input cost) is reduced as much as possible.
Disclosure of Invention
The utility model provides a modularization air conditioner electrical system realizes combining host system and peripheral module to user's demand flexibility to form diversified electrical system, shorten development cycle, reduce the cost of labor.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
an electrical control system for a modular air conditioner, comprising: the main control module at least comprises a main control board, at least one path of photoelectric isolation input port, at least one path of relay output port, at least one path of photoelectric isolation output port, at least one path of analog-digital input port, at least one path of voltage detection port, at least one path of current detection port, at least one path of communication interface and at least one path of signal output interface; the power supply module is used for converting commercial power into at least one direct current voltage; and the peripheral module and the main control module carry out data transmission through an RS485 communication bus.
The modular air conditioner electric control system as described above, the at least one dc voltage includes at least 24V, 12V, 5V and 3.3V.
According to the modular air conditioner electric control system, the peripheral module comprises an input/output module which comprises a first main control board, at least one path of photoelectric isolation input port, at least one path of relay output port and at least one path of RS485 communication interface.
According to the modular air conditioner electric control system, the first main control board is provided with the first storage chip, and the first storage chip is used for storing the attribute of each port.
In the above modular air conditioner electric control system, the peripheral module includes an analog-to-digital conversion module, which includes a second main control board, at least one analog-to-digital output detection port, at least one signal output interface, and at least one RS485 communication interface.
According to the modular air conditioner electric control system, the second main control board is provided with the second storage chip, and the second storage chip is used for storing the attribute of each port.
According to the modular air conditioner electric control system, the peripheral module comprises a communication module which comprises a third main control board and at least one RS485 communication interface.
According to the modular air conditioner electric control system, the peripheral module comprises a display key module which comprises a fourth main control panel, at least one key, at least one nixie tube and at least one LED indicator lamp.
Compared with the prior art, the utility model discloses an advantage is with positive effect: through master control module and with the peripheral module of master control module communication connection, realize quickly setting up the required automatically controlled board platform of air conditioner electrical system, development cycle is short, reduces the cost of labor, and the module assembles as required, reduces wasting of resources and space.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of an embodiment of the modular air conditioner electric control system provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Summarizing products such as industrial air conditioners, commercial air conditioners and the like, and various requirements of customers, a port for realizing the functions mainly has an input/output port, analog-digital AD input, digital-analog DA output and a communication interface, meanwhile, the system work also needs power supply and central control and display, therefore, the air conditioner electric control system is modularized into a power supply module, a main control module, an input/output module, an analog-digital conversion module comprising AD and DA, a communication module and a display key module, wherein some modules are unnecessary when in use, the assembly and adjustment are carried out according to user requirements, therefore, in order to quickly realize the quick assembly of the electric control system of the products such as the industrial air conditioners, the commercial air conditioners and the like, the embodiment relates to a modularized air conditioner electric control system, which: the main control module 1 is provided with a main control board, at least one path of photoelectric isolation input port, at least one path of relay output port, at least one path of photoelectric isolation output port, at least one path of analog-digital input port, at least one path of voltage detection port, at least one path of current detection port, at least one path of communication interface and at least one path of signal output interface; a power module 2 for converting mains supply into at least one dc voltage; and the at least one peripheral module and the main control module 1 carry out data transmission through an RS485 communication bus.
Specifically, as shown in fig. 1, in this embodiment, the main control board of the main control module 1 is selected as a high-end 32-bit CPU with powerful functions, and is responsible for logic control of the whole electronic control system, and the main control board is further provided with ten photoelectric isolation input ports, six relay output ports, two photoelectric isolation output ports, ten AD input ports, one voltage detection port, one current detection port, and four RS485 communication ports; two paths of signal output interfaces (for example, PWM/0-10V voltage signal/4-20 mA current signal) are necessary modules for building an electric control system of an air conditioner, and each electric control system is only provided with one main control module 1 and serves as a host of a ModBus communication protocol of an RS485 communication interface in the electric control system, the address can be set to be 1, and the main work is concentrated on the change of a main control program when the project is changed and the function is changed. The optoelectronic isolation input port and the optoelectronic isolation output port in this embodiment can cut off the connection between the main control board and the forward channel, the backward channel, and other relevant parts, and the main control board, thereby effectively preventing interference signals from entering the main control board. The relay output port in this embodiment is used for controlling strong current by weak current.
The peripheral module includes power module 2 in this embodiment, and this power module 2 is the must module of the electrical system who builds the air conditioner, and it can convert the commercial power into direct current voltage 24V, 12V, 5V or 3.3V, supplies each module and various sensors, monitoring port use among the electrical system.
The peripheral module of this embodiment includes input/output module (IO module) 3, and the first main control board of this IO module 3 selects to be 8 bit CPUs of a low-cost industrial grade, provides ten photoelectric isolation input ports, eight relay output ports and two way RS485 communication interfaces on this first main control board, and wherein RS485 communication interface is used for being connected with main control module 1 communication through RS485 communication bus. In addition, the first main control board is further provided with a storage chip, such as an EEPROM storage chip, which is used for storing attributes of each port of the IO module 3, such as an effective logic level, a scanning frequency, a filtering time and the like, and the value can be modified through a ModBus communication protocol of the RS485 communication interface, the module is not a module necessary for building an electric control system of an air conditioner, and one or more modules can be selected to be connected with the main control board of the main control module 1 through the RS485 communication interface according to requirements, and the ModBus address range is allocated to be 10-29.
The peripheral module of this embodiment further includes an analog-to-digital conversion module 4, a second main control board of the analog-to-digital conversion module 4 is selected as a low-cost industrial-level 8-bit CPU, and eight AD output detection ports, one signal output interface (for example, PWM/0-10V voltage signal/4-20 mA current signal) and two RS485 communication interfaces are provided on the second main control board, where the RS485 communication interface is used for being in communication connection with the main control module 1 through an RS485 communication bus. In addition, the second main control board is also provided with a storage chip, such as an EEPROM storage chip, which is used for storing attributes of each port of the analog-to-digital conversion module 4, such as a return-to-zero compensation value, a scanning frequency, a filtering time and the like, the values can be modified through a ModBus communication protocol of the RS485 communication interface, the module is not a module necessary for building an electric control system of an air conditioner, one or more modules can be selected to be connected with the main control board of the main control module 1 through the RS485 communication interface according to requirements, and the ModBus address range is allocated to be 30-49.
The peripheral module of the embodiment further comprises a communication module 5, a third main control board of the communication module 5 is selected to be a low-cost industrial-grade 8-bit CPU, four RS485 communication interfaces are provided on the third main control board and are used for being in communication connection with the main control module 1 through an RS485 communication bus, the module is not a module necessary for building an electric control system of the air conditioner, one or more modules can be selected to be connected with the main control board of the main control module 1 through the RS485 communication interfaces according to requirements, and the ModBus address range is allocated to be 50-69.
The peripheral module of this embodiment further includes a display key module 6, a fourth main control board of the display key module 6 is selected as a low-cost industrial-grade 8-bit CPU, six keys, a six-bit nixie tube and four LED indicators are provided on the fourth main control board, the module is mainly used as a host in a ModBus protocol, and meanwhile, since a ModBus communication protocol is adopted, the module can access relevant data of each module in the electronic control system according to addresses.
The electronic control system is built by flexibly selecting the modules, so that the electronic control system is quickly assembled, the development period is saved, the modules are selected as required, the waste of the modules and the waste of IO ports are avoided, and the resources are effectively utilized.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (8)
1. An electrical control system for a modular air conditioner, comprising:
the main control module at least comprises a main control board, at least one path of photoelectric isolation input port, at least one path of relay output port, at least one path of photoelectric isolation output port, at least one path of analog-digital input port, at least one path of voltage detection port, at least one path of current detection port, at least one path of communication interface and at least one path of signal output interface;
the power supply module is used for converting commercial power into at least one direct current voltage;
and the peripheral module and the main control module carry out data transmission through an RS485 communication bus.
2. The modular air conditioner electrical control system of claim 1, wherein the at least one dc voltage comprises at least 24V, 12V, 5V, and 3.3V.
3. The system of claim 1, wherein the peripheral module comprises an input/output module, which comprises a first main control board, at least one optoelectronic isolation input port, at least one relay output port, and at least one RS485 communication interface.
4. The modular air conditioner electrical control system of claim 3, wherein a first memory chip is disposed on the first main control board and is used for storing the attribute of each port.
5. The system of claim 1, wherein the peripheral module comprises an analog-to-digital conversion module, which comprises a second main control board, at least one analog-to-digital output detection port, at least one signal output interface, and at least one RS485 communication interface.
6. The modular air conditioner electric control system of claim 5, wherein a second storage chip is disposed on the second main control board and is used for storing the attribute of each port.
7. The system of claim 1, wherein the peripheral module comprises a communication module including a third main control board and at least one RS485 communication interface.
8. The modular air conditioner electrical control system of claim 1, wherein the peripheral module comprises a display key module comprising a fourth main control panel, at least one key, at least one nixie tube and at least one LED indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139019.5U CN211264137U (en) | 2020-01-21 | 2020-01-21 | Modularization air conditioner electrical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139019.5U CN211264137U (en) | 2020-01-21 | 2020-01-21 | Modularization air conditioner electrical system |
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| CN211264137U true CN211264137U (en) | 2020-08-14 |
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| CN202020139019.5U Active CN211264137U (en) | 2020-01-21 | 2020-01-21 | Modularization air conditioner electrical system |
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Effective date of registration: 20211223 Address after: 266510 No. 218, Qian Wan Gang Road, Huangdao District, Qingdao, Shandong. Patentee after: Qingdao Hisense network energy Co.,Ltd. Address before: 266510 Room 201, building 1, Hisense Information Industrial Park, 218 qianwangang Road, Qingdao Economic and Technological Development Zone, Shandong Province Patentee before: QINGDAO HISENSE ELECTRONICS EQUIPMENT Co.,Ltd. |
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