CN206269447U - Refrigerating plant efficiency Optimal Control System - Google Patents
Refrigerating plant efficiency Optimal Control System Download PDFInfo
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- CN206269447U CN206269447U CN201621001196.7U CN201621001196U CN206269447U CN 206269447 U CN206269447 U CN 206269447U CN 201621001196 U CN201621001196 U CN 201621001196U CN 206269447 U CN206269447 U CN 206269447U
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Abstract
The utility model is related to a kind of refrigerating plant efficiency Optimal Control System, including refrigeration unit, water knockout drum and water collector, the outlet of the water collector is connected with the entrance of the refrigeration unit by water supply line, the water supply line is provided with cooling water pump, connected by water return pipeline between the outlet of the refrigeration unit and the entrance of water knockout drum, temperature sensor and pressure sensor are designed with the water knockout drum and the water collector, the side ducts of the refrigeration unit two are provided with temperature sensor, the refrigeration unit and cooling water pump are equipped with supporting intelligent electric meter, the cooling water pump is additionally provided with supporting frequency converter, the temperature sensor, pressure sensor, intelligent electric meter and frequency converter are connected with energy-saving control device communication.With Energy Efficiency Analysis be combined for control system optimization by the utility model, and system energy consumption parameter is also focused on while operational factor is focused on, and energy consumption data is combined with operational factor carries out energy consumption analysis to system, improves system energy efficiency.
Description
Technical field
The utility model is related to a kind of refrigeration system efficiency Optimal Control System.
Background technology
Cooling system is widely applied in daily life and industrial equipment, traditional cooling control system is main
It is to focus on analyzing purpose of its operational factor to realize efficiency control, although also function to certain efficiency control effect, but but
The efficiency parameter of equipment is ignored, the not comprehensive of analysis result has been thus resulted in, it is inaccurate.
Utility model content
In order to overcome the drawbacks described above under prior art, the purpose of this utility model is to provide a kind of refrigeration system efficiency
Optimal Control System, focuses on also focusing on system energy consumption parameter while operational factor, and both are combined carries out energy consumption analysis, effectively
Improve efficiency.
The technical solution of the utility model is：
A kind of refrigeration system efficiency Optimal Control System, including refrigeration unit, water knockout drum and water collector, the water collector
Outlet is connected with the entrance of the refrigeration unit by water supply line, and the water supply line is provided with cooling water pump, the refrigeration
Connected by water return pipeline between the outlet of unit and the entrance of water knockout drum, temperature is designed with the water knockout drum and the water collector
Degree sensor and pressure sensor, the refrigeration unit import side ducts（It is generally arranged in 2 meters of refrigeration unit import to ensure
The accuracy of measurement data）With outlet side ducts（Refrigeration unit is generally arranged to export in 2 meters to ensure the accurate of measurement data
Property）Temperature sensor also is provided with, the temperature sensor and the pressure sensor are connected with energy-saving control device communication.
Preferably, the by-pass line of the connection water supply line and water return pipeline is additionally provided with, the by-pass line is provided with
By-passing valve, the by-passing valve is connected with energy-saving control device communication.
Preferably, the by-passing valve is electric control valve.
Preferably, the pipeline of the by-passing valve both sides is provided with differential pressure pickup, the differential pressure pickup and the energy-conservation control
Device communication connection processed.
Preferably, the refrigeration unit and cooling water pump are equipped with supporting intelligent electric meter, and the cooling water pump is additionally provided with
Supporting frequency converter, the intelligent electric meter and frequency converter are connected with energy-saving control device communication.
Preferably, outdoor temperature humidity sensor, the outdoor temperature humidity sensor and the energy-saving control device are additionally provided with
Communication connection.
Preferably, the energy-saving control device is provided with casing, and PLC and wireless telecommunications mould are provided with the casing
Block, the casing is provided with display, and the display is touch-screen display.
Preferably, the energy-saving control device and the temperature sensor, the pressure sensor and the intelligent electric meter
Connected by RS485 communication modes.
Preferably, the mode of the communication connection is wired or wireless connection.
Preferably, the energy-saving control device is connected with far-end server communication.
The beneficial effects of the utility model are：
The utility model controls water pump frequency according to chilled water for pressure of return water, and by-passing valve is being set for water return pipeline, leads to
The pressure difference for crossing by-passing valve two ends carries out VFC to refrigerating water pump, carries out parameter setting to ensure according to the minimum lower limit of rate-adaptive pacemaker
Refrigeration unit is normally run.Be combined for energy consumption data and operational factor and carry out energy consumption analysis to system by the utility model, has
Help improve system energy efficiency.
Brief description of the drawings
Fig. 1 is structure diagram of the present utility model.
Specific embodiment
The utility model discloses a kind of refrigeration system efficiency Optimal Control System, including refrigeration unit 1, the and of water knockout drum 2
Water collector 3, the outlet of the water collector is connected with the entrance of the refrigeration unit by water supply line 4, on the water supply line
Cooling water pump 5 is provided with, is connected by water return pipeline 6 between the outlet of the refrigeration unit and the entrance of water knockout drum, described point of water
Temperature sensor is designed with device and the water collector（TE）And pressure sensor (PE), the refrigeration unit import side ducts
（It is generally arranged in 2 meters of refrigeration unit import to ensure the accuracy of measurement data）With outlet side ducts（It is generally arranged at system
Ensureing the accuracy of measurement data in 2 meters of cold machine set outlet）It also is provided with temperature sensor, the temperature sensor and the pressure
Force snesor is connected with the communication of energy-saving control device 7.
The refrigeration system efficiency Optimal Control System is additionally provided with the bypass pipe of the connection water supply line and water return pipeline
Road 8, the by-pass line is provided with by-passing valve, and the by-passing valve is connected with energy-saving control device communication.By-pass line
Setting disclosure satisfy that the demand for control of system, when water supply line flow is excessive, the flow of water supply line can be passed through into bypass pipe
Road is fed directly to water return pipeline.
The by-passing valve is electric control valve（MV）.
The pipeline of the by-passing valve both sides is provided with differential pressure pickup, and the differential pressure pickup is logical with the energy-saving control device
News connection, described differential pressure pickup can measure the pressure differential of electric control valve both sides, be calculated analytically and refrigerating water pump is entered
Row VFC, reduces the interference of other factors.
The refrigeration unit and cooling water pump are equipped with supporting intelligent electric meter, and the cooling water pump is additionally provided with supporting change
Frequency device, the intelligent electric meter and frequency converter are connected with energy-saving control device communication.Intelligent electric meter energy and frequency converter can
The energy consumption parameter of detecting system, it is convenient for follow-up system energy consumption analysis provide data.
The refrigeration system efficiency Optimal Control System is additionally provided with outdoor temperature humidity sensor（THE）, the outdoor is warm and humid
Degree sensor is connected with energy-saving control device communication.
The energy-saving control device is provided with casing, and PLC and wireless communication module, the machine are provided with the casing
Shell is provided with display, and the display is touch-screen display.
The energy-saving control device passes through with the temperature sensor, the pressure sensor and the intelligent electric meter
RS485 communication modes are connected.
The mode of the communication connection is wired or wireless connection.
The energy-saving control device is connected with far-end server communication, will using the mass storage device of far-end server
History optimization information is integrated, and is easy to transfer access at any time.The control command that can also receive in far-end server is realized far
Journeyization is managed.
The utility model controls water pump frequency according to chilled water according to system for pressure of return water, most low according to rate-adaptive pacemaker
Limit carries out parameter setting and is normally run with ensureing refrigeration unit, and start-up and shut-down control is carried out to unit and water pump according to field apparatus efficiency
And unit number control.The system also collecting device energy consumption parameter while operational factor is gathered, realizes following functions：
（1）System equipment energy consumption parameter and system operational parameters are carried out into linkage analysis, analytical equipment energy and output
Than, setup parameter is adjusted in time, the efficiency of system equipment is got a promotion.
（2）By the energy consumption and operational factor of same category of device in comparison system, analytical equipment operation is with the presence or absence of abnormal shape
State, carries out parameter adjustment or Maintenance and Repair is carried out to equipment, improves system effectiveness.
（3）By acquisition system equipment energy consumption parameter, the ratio of equipment actual power and rated power, analysis system are calculated
Whether rationally system machine utilization, improves energy efficiency of equipment.
（4）The energy consumption of different run times under the identical service condition of same category of device is analyzed, coupling system operation ginseng
Number, setting parameter setting value improves efficiency.
（5）By collecting device energy consumption parameter, the operation linkage between analysis associated device, so as to carry out system ginseng
Number adjustment, improves efficiency.
（6）By collecting device energy consumption parameter, whether rationally the start-stop time of equipment, start and stop order, are sentenced in analysis system
The disconnected problem long with the presence or absence of idle time, the parameter in the case where running situation is ensured to system is adjusted, and improves energy
Effect.
（7）By collecting device energy consumption parameter, system operators can be analyzed and whether there is the imagination grasped do in violation of rules and regulations,
Produce alarm, it is to avoid system energy consumption is wasted, so as to improve system energy efficiency.
（8）By gathering energy consumption parameter and operational factor binding analysis, the use to equipment number of units in system is optimized
Selection and control, improve system energy efficiency.
（9）Automation statistics system energy efficiency of equipment, selection improves system energy efficiency using efficiency equipment high.
With Energy Efficiency Analysis be combined for control system optimization by the utility model, plays unique advantage.Traditional control system
Only focus on system operational parameters, but this patent system also focuses on system energy consumption parameter while operational factor is focused on, by energy consumption
Data are combined with operational factor carries out energy consumption analysis to system, improves system energy efficiency.
Disclosed in the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill
Art means are that outside the further restriction of another technological means, can form some different technical schemes in any combination.
Claims (10)
1. a kind of refrigerating plant efficiency Optimal Control System, it is characterised in that described including refrigeration unit, water knockout drum and water collector
The outlet of water collector is connected with the entrance of the refrigeration unit by water supply line, and the water supply line is provided with cooling water pump,
Connected by water return pipeline between the outlet of the refrigeration unit and the entrance of water knockout drum, at the water knockout drum and the water collector
Temperature sensor and pressure sensor are designed with, the refrigeration unit import side ducts and the outlet side mouth of pipe also are provided with TEMP
Device, the temperature sensor and the pressure sensor are connected with energy-saving control device communication.
2. control system as claimed in claim 1, it is characterised in that be additionally provided with the connection water supply line and water return pipeline
By-pass line, the by-pass line is provided with by-passing valve, and the by-passing valve is connected with energy-saving control device communication.
3. control system as claimed in claim 2, it is characterised in that the by-passing valve is electric control valve.
4. control system as claimed in claim 2, it is characterised in that the pipeline of the by-passing valve both sides is provided with differential pressure pickup,
The differential pressure pickup is connected with energy-saving control device communication.
5. control system as claimed in claim 1, it is characterised in that the refrigeration unit and cooling water pump are equipped with supporting
Intelligent electric meter, the cooling water pump is additionally provided with supporting frequency converter, the intelligent electric meter and the frequency converter with the energy-conservation
Control device communication connection.
6. control system as claimed in claim 1, it is characterised in that be additionally provided with outdoor temperature humidity sensor, the outdoor is warm and humid
Degree sensor is connected with energy-saving control device communication.
7. control system as claimed in claim 1, it is characterised in that the energy-saving control device is provided with casing, in the casing
PLC and wireless communication module are provided with, the casing is provided with display, and the display is touch-screen display.
8. control system as claimed in claim 5, it is characterised in that the energy-saving control device and the temperature sensor, institute
State pressure sensor and the intelligent electric meter is connected by RS485 communication modes.
9. control system as claimed in claim 1, it is characterised in that the mode of the communication connection is wired or wireless connection.
10. control system as claimed in claim 1, it is characterised in that the energy-saving control device is communicated with far-end server and connected
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001196.7U CN206269447U (en) | 2016-08-31 | 2016-08-31 | Refrigerating plant efficiency Optimal Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001196.7U CN206269447U (en) | 2016-08-31 | 2016-08-31 | Refrigerating plant efficiency Optimal Control System |
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| Publication Number | Publication Date |
|---|---|
| CN206269447U true CN206269447U (en) | 2017-06-20 |
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ID=59036107
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621001196.7U Active CN206269447U (en) | 2016-08-31 | 2016-08-31 | Refrigerating plant efficiency Optimal Control System |
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| CN (1) | CN206269447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653142A (en) * | 2020-06-16 | 2020-09-11 | 梁飞 | Visual multifunctional intelligent cold-chain logistics practical training platform |
-
2016
- 2016-08-31 CN CN201621001196.7U patent/CN206269447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653142A (en) * | 2020-06-16 | 2020-09-11 | 梁飞 | Visual multifunctional intelligent cold-chain logistics practical training platform |
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