CN207704239U - A kind of air-conditioner controller expanding unit - Google Patents
A kind of air-conditioner controller expanding unit Download PDFInfo
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- CN207704239U CN207704239U CN201820036658.1U CN201820036658U CN207704239U CN 207704239 U CN207704239 U CN 207704239U CN 201820036658 U CN201820036658 U CN 201820036658U CN 207704239 U CN207704239 U CN 207704239U
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Abstract
The utility model discloses a kind of air-conditioner controller expanding unit, including switching input module, switching value processing module, switching value output module, main control module, Analog input mModule, analog quantity processing module, analog quantity handover module and analog output module；The input terminal of switching value processing module is connected with switching input module, and output end is connected with main control module, and switching value output module is connected with main control module；The input terminal of analog quantity processing module is connected with Analog input mModule, and output end is connected with main control module, and analog output module is connected with main control module；The input terminal of analog quantity handover module is connected with main control module, and output end is connected with Analog input mModule.The utility model has the advantages that simple in structure, using flexible.
Description
Technical field
The utility model is related to a kind of air conditioner controlling technology field more particularly to a kind of air-conditioner controller expanding units.
Background technology
For commercial large-size air conditioning since unit is huger, controller needs the electrical load controlled relatively more, needs to detect
Switching value, analog input also compare it is more, it is relatively high to input and output quantitative requirement so controller is relative complex.Control
Device usually has parametric type master controller, programmable type master controller and programmable type master controller and expansion module.Commonly
Expansion module, input and output are single, and applicable communications protocol is also relatively single, cause its inflexible for use, applicable range
Also opposite limitation.In addition, due to controller non-programmable, cause control program upgrading relatively cumbersome.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, provide that a kind of input and output type is various, uses
Flexibly, air-conditioner controller expanding unit applied widely.
To achieve the above object, the utility model proposes following technical solutions：A kind of air-conditioner controller expanding unit, including
Switching input module, switching value processing module, switching value output module, main control module, Analog input mModule, at analog quantity
Manage module, analog quantity handover module and analog output module；
The input terminal of the switching value processing module is connected with switching input module, and output end is connected with main control module
It connects, the switching value output module is connected with main control module；
The input terminal of the analog quantity processing module is connected with Analog input mModule, and output end is connected with main control module
It connects, the analog output module is connected with main control module；
The input terminal of the analog quantity handover module is connected with main control module, and output end is connected with Analog input mModule
It connects.
Preferably, the switching value processing module includes photoisolator, the input terminal and switch of the photoisolator
Amount input module is connected, and output end is connected with main control module.
Preferably, the switching value output module includes driver and relay, the input terminal of the driver and master control
Module is connected, and output end is connected with relay.
Preferably, the analog quantity processing module includes Signal-regulated kinase and filter module, the Signal-regulated kinase
Input terminal be connected with Analog input mModule, output end is connected with the input terminal of filter module, the output of filter module
End is connected with main control module.
Preferably, the analog output module includes operational amplifier, low-pass filter and photoelectrical coupler, the fortune
The input terminal for calculating amplifier is connected with main control module, and output end is connected with the input terminal of low-pass filter, low-pass filter
Output end be connected with photoelectrical coupler.
Preferably, the driver is Darlington driver.
Preferably, the air-conditioner controller expanding unit further includes communication module, the communication module and main control module phase
Connection.
Preferably, the switching input module includes the input of four-way switch amount, and the switching value output module includes four
Way switch amount exports, and the Analog input mModule includes four road analog inputs, and the analog output module includes all the way
Analog output.
The utility model has the beneficial effects that：
Compared with prior art, air-conditioner controller expanding unit described in the utility model, the support of (1) main control module can compile
Journey facilitates control program upgrading；(2) multiple kinds are supported, and there are the input and output of multi-way switching values and analog quantity, are made
With flexible, it is applicable to more application scenarios；(3) expanding unit is simple in structure, low manufacture cost.
Description of the drawings
Fig. 1 is the structure diagram schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
As shown in Figure 1, a kind of revealed air-conditioner controller expanding unit of the utility model, including On-off signal mould
Block, switching value processing module, switching value output module, main control module, Analog input mModule, analog quantity processing module, simulation
Measure handover module and analog output module.
Specifically, switching input module is used for input switch amount, there are two types of state, such as switches to lead on and off for switching value
Open state, for another example relay connect or disconnect, usually indicated with 1 and 0；Switching value processing module is carried out for switch amount
Processing, input terminal are connected with switching input module, and output end is connected with main control module；Main control module is used for switch
Amount and/or analog quantity are handled；Switching value output module is connected with main control module, for exporting switching value, such as makes switch
It is turned on or off, for another example makes connecting or disconnecting for relay.
For Analog input mModule for inputting analog quantity, analog quantity is serial number or continuous signal；Analog quantity handles mould
Block is for handling analog quantity, and input terminal is connected with Analog input mModule, and output end is connected with main control module；
Analog output module is connected with main control module, for exporting switching value；Analog quantity handover module is for switching analog quantity
Type, input terminal are connected with main control module, and output end is connected with Analog input mModule.
As shown in Figure 1, switching value processing module includes photoisolator, the input terminal and On-off signal of photoisolator
Module is connected, and output end is connected with main control module, so that the switching value in input main control module is exempted from interfered by outside.
Switching value output module includes driver and relay, and the input terminal of the driver is connected with main control module,
Output end is connected with relay.Main control module drives relay to connect or disconnect by driver.Preferably, driver is
Darlington driver.
In the present embodiment, main control module is MCU (Micro Controller Unit, micro-control unit), operation control
System is supported may be programmed, and user can develop oneself application program and control logic.
Further, analog quantity processing module includes Signal-regulated kinase and filter module.Wherein, Signal-regulated kinase is used
In the isolation of analog signal, it is prevented to be interfered, input terminal is connected with Analog input mModule, output end and filtering mould
The input terminal of block is connected；For being filtered to analog signal, output end is connected filter module with main control module,
It will be in filtered analog signal output to main control module.SCXI series of signals conditioning modules, filter can be selected in Signal-regulated kinase
Filter etc. can be selected in wave module.
Analog output module includes operational amplifier, low-pass filter and photoelectrical coupler.Wherein, operational amplifier is used
In the enhanced processing of analog signal, input terminal is connected with main control module, and output end is connected with the input terminal of low-pass filter
It connects；Low-pass filter is filtered for analog signal, and output end is connected with photoelectrical coupler.
In the present embodiment, switching input module includes the input of four-way switch amount；Switching value output module is opened including four tunnels
Pass amount output, wherein it is normally opened all the way, it is normally closed all the way；Analog input mModule includes four road analog inputs, and per road, input is propped up
Hold NTC (Negative Temperature Coefficient, negative temperature coefficient), 0~1V, 0~5V, 4~20mA；Analog quantity
Output module includes analog output all the way.By the way that multichannel input and output are arranged, the using flexible of expanding unit is improved.
As shown in Figure 1, air-conditioner controller expanding unit further includes communication module, one end and the master control mould of the communication module
Block is connected, and opposite end is connected with host computer (i.e. controller).Communication module support various protocols, as Modbus-RTU,
Carel Protocol etc. can be easily connected in controller by communication module so that the expanding unit scope of application is more
Extensively.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Teaching and announcement that can be based on the utility model and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (8)
1. a kind of air-conditioner controller expanding unit, which is characterized in that including switching input module, switching value processing module, open
Measure output module, main control module, Analog input mModule, analog quantity processing module, analog quantity handover module and analog quantity in pass
Output module；
The input terminal of the switching value processing module is connected with switching input module, and output end is connected with main control module,
The switching value output module is connected with main control module；
The input terminal of the analog quantity processing module is connected with Analog input mModule, and output end is connected with main control module,
The analog output module is connected with main control module；
The input terminal of the analog quantity handover module is connected with main control module, and output end is connected with Analog input mModule.
2. air-conditioner controller expanding unit according to claim 1, which is characterized in that the switching value processing module includes
The input terminal of photoisolator, the photoisolator is connected with switching input module, and output end is connected with main control module
It connects.
3. air-conditioner controller expanding unit according to claim 1, which is characterized in that the switching value output module includes
The input terminal of driver and relay, the driver is connected with main control module, and output end is connected with relay.
4. air-conditioner controller expanding unit according to claim 1, which is characterized in that the analog quantity processing module includes
The input terminal of Signal-regulated kinase and filter module, the Signal-regulated kinase is connected with Analog input mModule, output end
It is connected with the input terminal of filter module, the output end of filter module is connected with main control module.
5. air-conditioner controller expanding unit according to claim 1, which is characterized in that the analog output module includes
The input terminal of operational amplifier, low-pass filter and photoelectrical coupler, the operational amplifier is connected with main control module, output
End is connected with the input terminal of low-pass filter, and the output end of low-pass filter is connected with photoelectrical coupler.
6. air-conditioner controller expanding unit according to claim 3, which is characterized in that the driver drives for Darlington
Device.
7. air-conditioner controller expanding unit according to claim 1, which is characterized in that the air-conditioner controller expanding unit
Further include communication module, the communication module is connected with main control module.
8. air-conditioner controller expanding unit according to claim 1, which is characterized in that the switching input module includes
Four-way switch amount inputs, and the switching value output module includes the output of four-way switch amount, and the Analog input mModule includes four
Road analog input, the analog output module include analog output all the way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036658.1U CN207704239U (en) | 2018-01-09 | 2018-01-09 | A kind of air-conditioner controller expanding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036658.1U CN207704239U (en) | 2018-01-09 | 2018-01-09 | A kind of air-conditioner controller expanding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704239U true CN207704239U (en) | 2018-08-07 |
Family
ID=63034887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820036658.1U Active CN207704239U (en) | 2018-01-09 | 2018-01-09 | A kind of air-conditioner controller expanding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207704239U (en) |
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2018
- 2018-01-09 CN CN201820036658.1U patent/CN207704239U/en active Active
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