CN211926042U - Air conditioner PLC control system - Google Patents
Air conditioner PLC control system Download PDFInfo
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- CN211926042U CN211926042U CN202020577461.6U CN202020577461U CN211926042U CN 211926042 U CN211926042 U CN 211926042U CN 202020577461 U CN202020577461 U CN 202020577461U CN 211926042 U CN211926042 U CN 211926042U
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Abstract
An air conditioner PLC control system relates to an improvement of an air conditioner control system, in particular to an improvement of a central air conditioner PLC control system. The input and output ends of the PLC are connected to the output and input ends of the memory, and the signal end of the memory is connected to the control signal end of the host chip; the detection signal input end of the host chip 3 is connected to the application scene data detection interface, the control signal output end of the host chip is connected to the air conditioner host control signal output interface, the power supply end of the host chip is connected to the power supply, and the reserved interface of the host chip is connected to the extended function reserved interface. It has simple operation and strong universality; most of operations can be finished without secondary programming, and the energy-saving effect is obvious; the PLC system can detect scene problems in real time through temperature detection of the application scene and feed back the scene problems in real time, and the PLC timely adjusts the output of the host according to the real-time feedback, so that the temperature of the application scene is guaranteed.
Description
Technical Field
The utility model relates to an air conditioner control system's improvement, concretely relates to central air conditioning PLC control system's improvement.
Background
The central air conditioner is in the in-process of installation and debugging and the energy-conserving transformation in later stage, often appears: the water pump consumes energy, the host consumes electricity, the line consumes electricity and the like, so that the energy-saving effect is not ideal. At present, a lot of manufacturers for installing and modifying a central air conditioner in China adopt a universal PLC to modify the energy conservation of a frequency converter, but the universal PLC still excessively depends on an industrial personal computer to carry out operation control, so that the equipment has poor universality, poor reliability and uneven energy conservation effect, and cannot be produced and applied in a large quantity.
As for the prior art, the existing PLC controllers on the market have the following disadvantages: the user must do secondary mass development programming; a wiring drawing cannot be provided; different wiring modes on the site cannot be accessed, and the drawing needs to be modified again and the programming and debugging need to be carried out again. The existing building DDC controller also needs configuration debugging for energy conservation of a central air conditioner, generally aims at a single control object, such as an independent water pump, a fan and the like, the collected temperature is simply operated, the speed of the frequency converter is controlled through the output of analog quantity, the energy conservation of the whole system of the air conditioning system is insufficient, in addition, because the DDC is not integrally matched when the operation control is carried out, the energy conservation effect is consistent with the energy conservation effect of the water pump and the fan of a PID control frequency converter, better energy conservation optimization control is not realized, meanwhile, the requirement on the professional technology is higher, and common technicians cannot master the technology.
The existing controller can only control and adjust the host part, and how to obtain timely feedback on actual output and the environmental temperature in an actual scene is difficult, which can cause that the output effect of the host is difficult to be actually reflected in an application scene, and a serious disjunction is often formed between the two.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air conditioner PLC control system aiming at the defects and shortcomings of the prior art, which has simple operation and strong universality; most of operations can be finished without secondary programming, and the energy-saving effect is obvious; the PLC system can detect scene problems in real time through temperature detection of the application scene and feed back the scene problems in real time, and the PLC timely adjusts the output of the host according to the real-time feedback, so that the temperature of the application scene is guaranteed.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a PLC (programmable logic controller) 1, a memory 2, a host chip 3, an application scene data detection feedback interface 4, an air conditioner host control signal output interface 5, a power supply 6 and an extended function reservation interface 7; the input and output ends of the PLC 1 are connected with the output and input ends of the memory 2, and the signal end of the memory 2 is connected with the control signal end of the host chip 3; the detection signal input end of the host chip 3 is connected to the application scene data detection interface 4, the control signal output end of the host chip 3 is connected to the air conditioner host control signal output interface 5, the power supply end of the host chip 3 is connected to the power supply 6, and the reserved interface of the host chip 3 is connected to the extended function reserved interface 7.
The application scene data detection feedback interface 4 comprises application scene temperature data detection 41, application scene humidity data detection 42, application scene PM2.5 detection 43, application scene smoke detection 44, application scene fan operation detection 45 and application scene air outlet temperature detection 46, wherein the application scene temperature data detection 41, the application scene humidity data detection 42, the application scene PM2.5 detection 43, the application scene smoke detection 44, the application scene fan operation detection 45 and the application scene air outlet temperature detection 46 are all arranged in an air conditioner application scene. Through the detection of real-time data, the PLC 1 is utilized to send out a host adjusting signal through the host chip 3 in real time, so that the conditions of temperature, humidity and the like in an application scene are ensured, and the user experience is ensured.
The utility model discloses a theory of operation: the problem that how to obtain timely feedback for actual output and environment temperature in an actual scene, which causes that the output effect of a host is difficult to be actually embodied in an application scene, serious disjunction is often formed between the actual output and the environment temperature in the actual scene and the like because the conventional controller can only control and adjust the host part is solved; various monitoring data in the application scene are set in the case, the output condition of the air conditioner host is adjusted in real time through the real-time monitoring of the data and the PLC, so that the temperature, the humidity and the like in the application scene are adjusted in real time, the accuracy of the temperature and the humidity in the application scene is ensured, and the user experience can be improved.
After the technical scheme is adopted, the utility model discloses beneficial effect does: it has simple operation and strong universality; most of operations can be finished without secondary programming, and the energy-saving effect is obvious; the PLC system can detect scene problems in real time through temperature detection of the application scene and feed back the scene problems in real time, and the PLC timely adjusts the output of the host according to the real-time feedback, so that the temperature of the application scene is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a block diagram of the structure of the present invention;
fig. 2 is a block diagram illustrating the structure of the feedback interface 4 for detecting application scene data in the present invention.
Description of reference numerals: the system comprises a PLC (programmable logic controller) 1, a memory 2, a host chip 3, an application scene data detection feedback interface 4, an air conditioner host control signal output interface 5, a power supply 6, an extended function reservation interface 7, an application scene temperature data detection 41, an application scene humidity data detection 42, an application scene PM2.5 detection 43, an application scene smoke detection 44, an application scene fan operation detection 45 and an application scene air outlet temperature detection 46.
Detailed Description
Referring to fig. 1-2, the technical solution adopted by the present embodiment is: the device comprises a PLC (programmable logic controller) 1, a memory 2, a host chip 3, an application scene data detection feedback interface 4, an air conditioner host control signal output interface 5, a power supply 6 and an extended function reservation interface 7; the input and output ends of the PLC 1 are connected with the output and input ends of the memory 2, and the signal end of the memory 2 is connected with the control signal end of the host chip 3; the detection signal input end of the host chip 3 is connected to the application scene data detection interface 4, the control signal output end of the host chip 3 is connected to the air conditioner host control signal output interface 5, the power supply end of the host chip 3 is connected to the power supply 6, and the reserved interface of the host chip 3 is connected to the extended function reserved interface 7.
The application scene data detection feedback interface 4 comprises application scene temperature data detection 41, application scene humidity data detection 42, application scene PM2.5 detection 43, application scene smoke detection 44, application scene fan operation detection 45 and application scene air outlet temperature detection 46, wherein the application scene temperature data detection 41, the application scene humidity data detection 42, the application scene PM2.5 detection 43, the application scene smoke detection 44, the application scene fan operation detection 45 and the application scene air outlet temperature detection 46 are all arranged in an air conditioner application scene. Through the detection of real-time data, the PLC 1 is utilized to send out a host adjusting signal through the host chip 3 in real time, so that the conditions of temperature, humidity and the like in an application scene are ensured, and the user experience is ensured.
The utility model discloses a theory of operation: the problem that how to obtain timely feedback for actual output and environment temperature in an actual scene, which causes that the output effect of a host is difficult to be actually embodied in an application scene, serious disjunction is often formed between the actual output and the environment temperature in the actual scene and the like because the conventional controller can only control and adjust the host part is solved; various monitoring data in the application scene are set in the case, the output condition of the air conditioner host is adjusted in real time through the real-time monitoring of the data and the PLC, so that the temperature, the humidity and the like in the application scene are adjusted in real time, the accuracy of the temperature and the humidity in the application scene is ensured, and the user experience can be improved.
After the technical scheme is adopted, the utility model discloses beneficial effect does: it has simple operation and strong universality; most of operations can be finished without secondary programming, and the energy-saving effect is obvious; the PLC system can detect scene problems in real time through temperature detection of the application scene and feed back the scene problems in real time, and the PLC timely adjusts the output of the host according to the real-time feedback, so that the temperature of the application scene is guaranteed.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (2)
1. Air conditioner PLC control system, its characterized in that: the device comprises a PLC (programmable logic controller) programming controller (1), a memory (2), a host chip (3), an application scene data detection feedback interface (4), an air conditioner host control signal output interface (5), a power supply (6) and an extended function reservation interface (7); the input and output ends of the PLC (1) are connected to the output and input ends of the memory (2), and the signal end of the memory (2) is connected to the control signal end of the host chip (3); the detection signal input end of the host chip (3) is connected to the application scene data detection interface (4), the control signal output end of the host chip (3) is connected to the air conditioner host control signal output interface (5), the power supply end of the host chip (3) is connected to the power supply (6), and the reserved interface of the host chip (3) is connected to the extended function reserved interface (7).
2. The PLC control system of an air conditioner according to claim 1, wherein: the application scene data detection feedback interface (4) comprises application scene temperature data detection (41), application scene humidity data detection (42), application scene PM2.5 detection (43), application scene smoke detection (44), application scene fan operation detection (45) and application scene air outlet temperature detection (46), wherein the application scene temperature data detection (41), the application scene humidity data detection (42), the application scene PM2.5 detection (43), the application scene smoke detection (44), the application scene fan operation detection (45) and the application scene air outlet temperature detection (46) are all arranged in an air conditioner application scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577461.6U CN211926042U (en) | 2020-04-17 | 2020-04-17 | Air conditioner PLC control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577461.6U CN211926042U (en) | 2020-04-17 | 2020-04-17 | Air conditioner PLC control system |
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| Publication Number | Publication Date |
|---|---|
| CN211926042U true CN211926042U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577461.6U Active CN211926042U (en) | 2020-04-17 | 2020-04-17 | Air conditioner PLC control system |
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|---|---|
| CN (1) | CN211926042U (en) |
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- 2020-04-17 CN CN202020577461.6U patent/CN211926042U/en active Active
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