CN213208176U - Central air conditioning efficiency control system - Google Patents
Central air conditioning efficiency control system Download PDFInfo
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- CN213208176U CN213208176U CN202021885574.9U CN202021885574U CN213208176U CN 213208176 U CN213208176 U CN 213208176U CN 202021885574 U CN202021885574 U CN 202021885574U CN 213208176 U CN213208176 U CN 213208176U
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Abstract
The utility model discloses a central air-conditioning energy efficiency control system, which comprises a central air-conditioning device and a control system, wherein the system comprises a PLC central controller, an operation parameter acquisition module for acquiring each group of operation data, a processing module for processing the acquired parameters on line, a monitoring module for monitoring the operation parameters on line, an early warning module and a feedback control module, the output end of the operation parameter acquisition module is connected with the central air-conditioning device, the input end of the operation parameter acquisition module is connected with the PLC central controller, the processing module is connected with the PLC central controller, the input end of the monitoring module is connected with the operation parameter acquisition module, the output end of the monitoring module is connected with the PLC central controller, the utility model can comprehensively consider and integrally control the comprehensive energy efficiency ratio of the central air-conditioning device, and better control the central air-conditioning system, on the premise of ensuring the comfort level, the comprehensive energy efficiency ratio of the central air-conditioning system is improved.
Description
Technical Field
The utility model relates to a central air conditioning efficiency technical field specifically is a central air conditioning efficiency control system.
Background
The central air conditioner is an indispensable component in modern intelligent buildings, but the central air conditioner is also an energy-consuming household of the modern buildings and has a continuously increasing trend. According to survey and statistics, the energy consumption of a plurality of central air conditioners accounts for 50% or more of the total energy consumption of a building at present, and because of the shortage of power resources, in order to balance power utilization, peak clipping and valley filling, all countries in the world comprehensively implement a peak-valley power price policy, and under the guidance of building a saving social thought, governments and power departments in China vigorously popularize demand side management to relieve the contradiction between power construction and newly added power utilization. Under such a large environment, how to make the central air-conditioning system more energy-saving and more efficient, how to reasonably improve the comprehensive energy efficiency ratio of the central air-conditioning system, and more attention is paid to current users, and therefore, a central air-conditioning energy efficiency control system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a central air conditioning efficiency control system to how to make central air conditioning system more energy-conserving, more high-efficient among the solution above-mentioned background art, how reasonable improvement central air conditioning system's the problem of synthesizing the energy efficiency ratio.
In order to achieve the above object, the utility model provides a following technical scheme: a central air-conditioning energy efficiency control system comprises a central air-conditioning device and a control system, wherein the control system comprises a PLC central controller, an operation parameter acquisition module for acquiring each group of operation data, a processing module for processing the acquired parameters on line, a monitoring module for regulating and monitoring the operation parameters on line, an early warning module and a feedback control module, the output end of the operation parameter acquisition module is connected with the central air-conditioning equipment, the input end of the operation parameter acquisition module is connected with the PLC central controller, the processing module is connected with the PLC central controller, the input end of the monitoring module is connected with the operation parameter acquisition module, the output end of the monitoring module is connected with a PLC central controller, the early warning module is connected with the PLC central controller, the input end of the feedback control module is connected with the PLC central controller, and the output end of the feedback control module is connected with the central air-conditioning equipment.
Preferably, the central air conditioning equipment comprises a refrigerating unit, a cooling tower, a water chilling unit, a fresh air unit, a fan coil, a plate heat exchanger and a combined air conditioner.
Preferably, the operation parameter acquisition module comprises an equipment power consumption monitoring unit, a pipeline temperature monitoring unit, a pipeline pressure monitoring unit and an indoor and outdoor temperature monitoring unit, wherein the equipment power consumption monitoring unit, the pipeline temperature monitoring unit, the pipeline pressure monitoring unit and the indoor and outdoor temperature monitoring unit are connected with each group of central air-conditioning equipment.
Preferably, the electric quantity monitoring unit consists of an electric meter and an online monitoring device, and the electric meter and the online monitoring device are arranged on electric equipment of the cooling water pump, the water chilling unit, the freezing water pump and the fresh air handling unit.
Preferably, pipeline temperature monitoring unit comprises multiunit temperature sensor, temperature sensor installs the starting point and the ending point department of intaking end and the play water end of condenser tube and the starting point and the ending point department of the end of intaking and the play water end of cold dynamic water, pipeline pressure monitoring unit comprises multiunit pressure sensor, pressure sensor installs the inlet tube and the outlet pipe at the inlet tube and the outlet pipe of outlet pipe, the cooling water of refrigerated water, indoor outer temperature monitoring unit includes infrared temperature detector, infrared temperature detector installs in the room that central air conditioning acted and outdoor.
Preferably, the feedback control module is connected with electromagnetic valves on pipelines of a refrigerating unit and a water chilling unit in the central air-conditioning equipment, and valve switches of air supply pipelines on a cooling tower and a fresh air unit.
The utility model provides a central air conditioning efficiency control system possesses following beneficial effect:
(1) the utility model discloses a include equipment power consumption monitoring unit at the operation parameter acquisition module, pipeline temperature monitoring unit, pipeline pressure monitoring unit and indoor and outdoor temperature monitoring unit, utilize operation parameter acquisition module to include equipment power consumption monitoring unit, pipeline temperature monitoring unit, pipeline pressure monitoring unit and indoor and outdoor temperature monitoring unit, utilize ammeter weight to record the power consumption of cooling water pump, cooling water set, chilled water pump, new fan unit electricity equipment, temperature sensor detects the water inlet end of condenser tube and cold-moving water pipe, the temperature at the starting point and the final point of play water end, pressure sensor detects the water pressure of inlet tube and the outlet pipe of chilled water, the indoor and outdoor temperature is monitored in real time to utilize infrared temperature detector, can observe the situation of knowing individual operation equipment in real time, and feed back this situation to control system, and optimizing by using a control system, and finally controlling each device by using a processing result.
(2) The utility model discloses can synthesize the comprehensive energy efficiency ratio of equipment such as refrigerating unit, cooling tower, cooling water set, fresh air unit, fan coil, plate heat exchanger and combination formula air conditioner and consider and overall control, control central air conditioning system better, under the prerequisite of guaranteeing use comfort, improve central air conditioning system and synthesize the energy efficiency ratio.
Drawings
Fig. 1 is a block diagram of the system structure of the present invention;
FIG. 2 is a block diagram of the operation parameter acquisition module of the present invention;
fig. 3 is a block diagram of the central air-conditioning system of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a central air-conditioning energy efficiency control system comprises a central air-conditioning device and a control system, wherein the control system comprises a PLC central controller, an operation parameter acquisition module, a processing module, a monitoring module, an early warning module and a feedback control module, the output end of the operation parameter acquisition module is connected with the central air-conditioning device,
the operation parameter acquisition module is used for acquiring data of equipment of each operation system of the central air-conditioning equipment and transmitting the acquired data to the PLC central controller; the input end of the operation parameter acquisition module is connected with the PLC central controller, and the processing module is connected with the PLC central controller;
the processing module is used for processing the equipment power consumption data, the temperature data of the water inlet ends and the water outlet ends of the cooling water pipes and the cold flow water pipes, the chilled water, the water pressure data of the water inlet pipes and the water outlet pipes of the cooling water and the indoor and outdoor temperature data which are acquired by the operation parameter acquisition module in time and feeding back the processing result to the feedback control module;
the feedback control module is used for regulating and controlling each group of equipment in the central air-conditioning equipment according to the result of the processing module so as to optimize the equipment, the input end of the feedback control module is connected with the PLC central controller, and the output end of the feedback control module is connected with the central air-conditioning equipment;
the monitoring module is used for monitoring the acquired data in real time and transmitting a signal to the early warning module when an abnormal condition is found, the input end of the monitoring module is connected with the operation parameter acquisition module, and the output end of the monitoring module is connected with the PLC central controller;
the early warning module is used for reminding abnormal conditions, and is connected with the PLC central controller.
The central air-conditioning equipment comprises a refrigerating unit, a cooling tower, a water chilling unit, a fresh air unit, a fan coil, a plate heat exchanger and a combined air conditioner.
The operation parameter acquisition module comprises an equipment power consumption monitoring unit, a pipeline temperature monitoring unit, a pipeline pressure monitoring unit and an indoor and outdoor temperature monitoring unit, wherein the equipment power consumption monitoring unit, the pipeline temperature monitoring unit, the pipeline pressure monitoring unit and the indoor and outdoor temperature monitoring unit are connected with each group of central air conditioning equipment.
The electric quantity monitoring unit consists of an electric meter and on-line monitoring equipment, and the electric meter and the on-line monitoring equipment are installed on electric equipment of a cooling water pump, a water chilling unit, a freezing water pump and a fresh air unit.
The pipeline temperature monitoring unit comprises multiunit temperature sensor, temperature sensor installs the starting point and the ending point department of intaking end and the play water end of condenser tube and the starting point and the ending point department of intaking end and the play water end of cold dynamic water, pipeline pressure monitoring unit comprises multiunit pressure sensor, pressure sensor installs the inlet tube and the outlet pipe at the inlet tube and the outlet pipe of chilled water, cooling water, indoor outer temperature monitoring unit includes infrared temperature detector, infrared temperature detector installs in the room that central air conditioning acted on and outdoor.
The feedback control module is connected with electromagnetic valves on pipelines of a refrigerating unit and a water chilling unit in the central air-conditioning equipment, and valve switches of air supply pipelines on a cooling tower and a fresh air unit.
It should be noted that, in the energy efficiency control system of a central air conditioner, when in operation, the electric quantity monitoring unit in the operation parameter acquisition module acquires and monitors the electric quantity in each electric equipment case in the central air conditioner by using an ammeter and an online monitoring device, and transmits the acquired data to the PLC central controller, the temperature sensors arranged at the starting point and the ending point of the water inlet end and the water outlet end of the cooling water pipe and the starting point and the ending point of the water inlet end and the water outlet end of the chilled water in the pipeline temperature monitoring unit acquire the temperature of the chilled water and the cooling water in real time and transmit the temperature data to the PLC central controller, the pressure sensors in the pipeline pressure monitoring unit are arranged at the water inlet pipe and the water outlet pipe of the chilled water and the water inlet pipe and the water outlet pipe of the cooling water, the pressure sensors are used for acquiring the water pressure in the pipeline in real time and transmitting the water pressure to the PLC, the infrared temperature detector of the indoor and outdoor temperature monitoring unit collects the indoor and outdoor temperature of the central air-conditioning in real time and transmits the temperature to the PLC central controller, the PLC central controller is connected with the upper computer, the PLC central controller transmits the collected data information to the processing module in the upper computer, the processing module calculates and optimizes various data, and transmits the optimized data of the equipment to the equipment such as the refrigerating unit, the cooling tower, the water chilling unit, the fresh air unit, the fan coil, the plate heat exchanger and the combined air-conditioner of the central air-conditioning equipment through the feedback control module, the control switches of the equipment such as the refrigerating unit, the cooling tower, the water chilling unit, the fresh air unit, the fan coil, the plate heat exchanger and the combined air-conditioner are controlled to operate in an optimized state, the system can comprehensively consider and integrally control the comprehensive energy efficiency ratio of the central air-conditioning equipment, the central air-conditioning system is better controlled, and the comprehensive energy efficiency ratio of the central air-conditioning system is improved on the premise of ensuring the use comfort.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a central air conditioning efficiency control system, includes central air conditioning equipment and control system, its characterized in that: the system comprises a PLC central controller, an operation parameter acquisition module for acquiring each group of operation data, a processing module for processing acquired parameters on line, a monitoring module for monitoring operation parameters on line, an early warning module and a feedback control module, wherein the output end of the operation parameter acquisition module is connected with central air conditioning equipment, the input end of the operation parameter acquisition module is connected with the PLC central controller, the processing module is connected with the PLC central controller, the input end of the monitoring module is connected with the operation parameter acquisition module, the output end of the monitoring module is connected with the PLC central controller, the early warning module is connected with the PLC central controller, the input end of the feedback control module is connected with the PLC central controller, and the output end of the feedback control module is connected with the central air conditioning equipment.
2. The energy efficiency control system of a central air conditioner according to claim 1, characterized in that: the central air-conditioning equipment comprises a refrigerating unit, a cooling tower, a water chilling unit, a fresh air unit, a fan coil, a plate heat exchanger and a combined air conditioner.
3. The energy efficiency control system of a central air conditioner according to claim 1, characterized in that: the operation parameter acquisition module comprises an equipment power consumption monitoring unit, a pipeline temperature monitoring unit, a pipeline pressure monitoring unit and an indoor and outdoor temperature monitoring unit, wherein the equipment power consumption monitoring unit, the pipeline temperature monitoring unit, the pipeline pressure monitoring unit and the indoor and outdoor temperature monitoring unit are connected with each group of central air conditioning equipment.
4. The energy efficiency control system of a central air conditioner according to claim 3, characterized in that: the electric quantity monitoring unit consists of an electric meter and on-line monitoring equipment, and the electric meter and the on-line monitoring equipment are installed on electric equipment of a cooling water pump, a water chilling unit, a freezing water pump and a fresh air unit.
5. The energy efficiency control system of a central air conditioner according to claim 3, characterized in that: the pipeline temperature monitoring unit comprises multiunit temperature sensor, temperature sensor installs the starting point and the ending point department of intaking end and the play water end of condenser tube and the starting point and the ending point department of intaking end and the play water end of cold dynamic water, pipeline pressure monitoring unit comprises multiunit pressure sensor, pressure sensor installs the inlet tube and the outlet pipe at the inlet tube and the outlet pipe of chilled water, cooling water, indoor outer temperature monitoring unit includes infrared temperature detector, infrared temperature detector installs in the room that central air conditioning acted on and outdoor.
6. The energy efficiency control system of a central air conditioner according to claim 3, characterized in that: the feedback control module is connected with electromagnetic valves on pipelines of a refrigerating unit and a water chilling unit in the central air-conditioning equipment, and valve switches of air supply pipelines on a cooling tower and a fresh air unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021885574.9U CN213208176U (en) | 2020-09-02 | 2020-09-02 | Central air conditioning efficiency control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021885574.9U CN213208176U (en) | 2020-09-02 | 2020-09-02 | Central air conditioning efficiency control system |
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| Publication Number | Publication Date |
|---|---|
| CN213208176U true CN213208176U (en) | 2021-05-14 |
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| CN202021885574.9U Active CN213208176U (en) | 2020-09-02 | 2020-09-02 | Central air conditioning efficiency control system |
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| CN (1) | CN213208176U (en) |
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- 2020-09-02 CN CN202021885574.9U patent/CN213208176U/en active Active
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