CN204757267U - Central air conditioning efficiency monitoring system - Google Patents
Central air conditioning efficiency monitoring system Download PDFInfo
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- CN204757267U CN204757267U CN201520442813.6U CN201520442813U CN204757267U CN 204757267 U CN204757267 U CN 204757267U CN 201520442813 U CN201520442813 U CN 201520442813U CN 204757267 U CN204757267 U CN 204757267U
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Abstract
The utility model provides a central air conditioning efficiency monitoring system, host computer monitor cell's the signal output part and the signal input part of integrator are connected, and the signal input part that the signal output part of integrator passes through RS485 interface A and efficiency appearance is connected, the signal input part that energy consumption monitor cell's signal output part passes through RS485 interface B and efficiency appearance is connected, the efficiency appearance to the input signal processing after with data storage and through passing to cloud data center on the internet. The utility model discloses gather central air conditioning energy essential data, and efficiency data that the efficiency appearance in the system calculated and collection essential data upload in cloud data center through the mode of breakpoint transmission, reach that the installation is simple, the expense low, accurate, the professional mesh of data.
Description
Technical field
The utility model relates to air conditioner energy source basic data acquisition technical field, is specifically related to a kind of central air conditioner energy efficiency monitoring system.
Background technology
Along with central air-conditioning is popularized, energy resource consumption should not be underestimated.The distribution of research building energy consumption finds, the usual accounting 50-60% wherein of energy consumption of central air-conditioning, and in the energy consumption of central air-conditioning, the energy consumption accounting 50-60% again of refrigeration plant machine room.Originally, for meeting end peak load demand, therefore central air-conditioning is according to end peak load Demand Design, and in actual motion, most of the time end only has sub-load demand, causes the waste of the energy.
For reducing central air-conditioning refrigeration plant energy consumption, domestic and international central air-conditioning refrigeration plant energy-conserving product emerges in an endless stream, and control technology is multifarious, comprises constant flow, vari-able flow control technology, difference in temperature control technique etc.But the air-conditioning system efficiency that current all energy-conserving products self calculate does not possess objectivity, cannot obtain central air-conditioning operational efficiency evaluation result accurately.
The utility model technology provides the calculating of air-conditioning system efficiency, the calculating of main frame efficiency, the calculating of chilled water Transfer coefficient, the calculating of cooling water Transfer coefficient and central air-conditioning basic data etc., can effective objective and accurate evaluation central air conditioner system ruuning situation.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of central air conditioner energy efficiency monitoring system, this central air conditioner energy efficiency monitoring system can not only gather central air-conditioning basic energy data, calculate air-conditioning and main frame operational efficiency, also by breakpoint transmission mode, basic data is sent to cloud data center.
The utility model is achieved by the following technical programs.
A kind of central air conditioner energy efficiency monitoring system that the utility model provides, comprises host supervision unit, integrator, efficiency instrument and energy consumption monitoring unit; The signal output part of host supervision unit is connected with the signal input part of integrator, and the signal output part of integrator is connected with the signal input part of efficiency instrument by RS485 interface A; The signal output part of energy consumption monitoring unit is connected with the signal input part of efficiency instrument by RS485 interface B; Described efficiency instrument is to data being stored after the signal transacting of input and uploading to cloud data center by internet.
Described efficiency instrument upload the data to cloud data center by the mode of breakpoint transmission.
Described host supervision unit comprises the temperature sensor being arranged on main frame chilled water pipe flow meter, being arranged on the temperature sensor of gateway, main frame chilled water pipe road and being arranged on main frame cooling water pipeline gateway.
Described energy consumption monitoring unit comprises host power monitor, chilled water pump electric supervising device, cooling water pump electric supervising device and blower fan of cooling tower electric supervising device.
Also comprise manual input block, manual input block is connected by the signal input part of USB interface with efficiency instrument.
Described efficiency instrument is connected by Ethernet interface or by inserting 3G network interface card on USB interface with internet.
The signal output part of described efficiency instrument is also connected with the signal input part of computer by RS232.
Described efficiency instrument is also connected with internet by TF card interface, HDMI, wireless WiFi.
The beneficial effects of the utility model are: integrator and electric supervising device, respectively by RS485 interface and the communication of efficiency instrument, gather central air-conditioning basic energy data; By Ethernet interface or install on USB interface 3G network interface card realize be connected with internet, the efficiency data that efficiency instrument calculates and collection basic data upload in cloud data center by the mode of breakpoint transmission; The utility model is exclusively used in central air conditioner system main frame, chilled water pump, cooling water pump, the basic data acquisition of blower fan of cooling tower and efficiency and calculates, and reaches and installs the object simple, expense is low, data are accurate, professional.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of central air conditioner energy efficiency monitoring system as shown in Figure 1, comprises host supervision unit, integrator, efficiency instrument and energy consumption monitoring unit; The signal output part of host supervision unit is connected with the signal input part of integrator, and the signal output part of integrator is connected with the signal input part of efficiency instrument by RS485 interface A; The signal output part of energy consumption monitoring unit is connected with the signal input part of efficiency instrument by RS485 interface B; Described efficiency instrument is to data being stored after the signal transacting of input and uploading to cloud data center by internet.
Described efficiency instrument upload the data to cloud data center by the mode of breakpoint transmission.
Described host supervision unit comprises the temperature sensor being arranged on main frame chilled water pipe flow meter, being arranged on the temperature sensor of gateway, main frame chilled water pipe road and being arranged on main frame cooling water pipeline gateway.Described energy consumption monitoring unit comprises host power monitor, chilled water pump electric supervising device, cooling water pump electric supervising device and blower fan of cooling tower electric supervising device.
Also comprise manual input block, manual input block is connected by the signal input part of USB interface with efficiency instrument.
Described efficiency instrument is connected by Ethernet interface or by inserting 3G network interface card on USB interface with internet; Described efficiency instrument is also connected with internet by TF card interface, HDMI, wireless WiFi; The signal output part of described efficiency instrument is also connected with the signal input part of computer by RS232.
Integrator of the present utility model and electric supervising device effectively gather central air-conditioning basic energy data, and respectively by RS485 interface and the communication of efficiency instrument; The efficiency data that efficiency instrument calculates and collection basic data are uploaded by the mode of breakpoint transmission and are provided following utility function in cloud data center the utility model:
(1) user configuration, comprising on-the-spot project host number, chilled water pump quantity, cooling water pump quantity, blower fan of cooling tower quantity, and host number, chilled water pump quantity, cooling water pump quantity, blower fan of cooling tower quantity all can reach 10.
(2) for main frame, main frame rated power and specified refrigerating capacity etc. can be set.
(3) efficiency instrument shows the main frame chilled water gateway temperature of collection, main frame cooling water gateway temperature, main frame cold water flow, the instantaneous cooling/heating amount of main frame, main frame add up cooling/heating amount, main frame instantaneous power, main frame integral power, main unit load rate, main frame energy consumption percentage.
(4) efficiency instrument shows the accumulative energy consumption of the main frame of collection, chilled water pump, cooling water pump, blower fan of cooling tower; The instantaneous refrigerating capacity of display system, system always freeze (heat) amount, the instantaneous energy consumption of system, system are accumulative can; Calculate and show air-conditioning system Energy Efficiency Ratio, air-conditioner host COP, chilled water Transfer coefficient, cooling water Transfer coefficient; Display cold water machine room evaluation criterion figure; With time, minute, second curve display main frame chilled water gateway temperature, main frame cooling water gateway temperature, main frame current C OP, main unit load rate, main frame energy consumption percentage.
(5) externally provide RS485 interface, support standard ModbusRTU communication protocol; Ethernet interface is externally provided, USB interface is provided, TF card interface is provided, HDMI is provided, wireless WiFi is provided.
The communication chip of the utility model technology hardware components all selects the enable chip based on RS485 communication enabled chip and Ethernet communication circuit, effectively ensure that the communication distance of integrator, electric supervising device and host computer.
What the software section of the utility model technology adopted is four-layer structure design, is respectively: bottom hardware layer, driver, communications protocol layers and QTlib, application layer; Each level is separated by this design effectively, is convenient to program dislocation from now on.
After calculating chiller capacity, host C OP, chilled water pump Transfer coefficient, cooling water pump Transfer coefficient, system COP after efficiency instrument image data in the utility model, store data in the Flash of controller on the one hand, on the one hand data are uploaded in the central air-conditioning power source diagnostic system of cloud data by internet.The utility model is exclusively used in central air conditioner system main frame, chilled water pump, cooling water pump, the basic data acquisition of blower fan of cooling tower and efficiency and calculates, and reaches and installs the object simple, expense is low, data are accurate, professional.
Claims (8)
1. a central air conditioner energy efficiency monitoring system, comprise host supervision unit, integrator, efficiency instrument and energy consumption monitoring unit, it is characterized in that: the signal output part of host supervision unit is connected with the signal input part of integrator, the signal output part of integrator is connected with the signal input part of efficiency instrument by RS485 interface A; The signal output part of energy consumption monitoring unit is connected with the signal input part of efficiency instrument by RS485 interface B; Described efficiency instrument is to data being stored after the signal transacting of input and uploading to cloud data center by internet.
2. central air conditioner energy efficiency monitoring system as claimed in claim 1, is characterized in that: described efficiency instrument upload the data to cloud data center by the mode of breakpoint transmission.
3. central air conditioner energy efficiency monitoring system as claimed in claim 1, is characterized in that: described host supervision unit comprises the temperature sensor being arranged on main frame chilled water pipe flow meter, being arranged on the temperature sensor of gateway, main frame chilled water pipe road and being arranged on main frame cooling water pipeline gateway.
4. central air conditioner energy efficiency monitoring system as claimed in claim 1, is characterized in that: described energy consumption monitoring unit comprises host power monitor, chilled water pump electric supervising device, cooling water pump electric supervising device and blower fan of cooling tower electric supervising device.
5. central air conditioner energy efficiency monitoring system as claimed in claim 1, it is characterized in that: also comprise manual input block, manual input block is connected by the signal input part of USB interface with efficiency instrument.
6. the central air conditioner energy efficiency monitoring system as described in claim 1,2 or 5, is characterized in that: described efficiency instrument is connected by Ethernet interface or by inserting 3G network interface card on USB interface with internet.
7. the central air conditioner energy efficiency monitoring system as described in claim 1,2 or 5, is characterized in that: the signal output part of described efficiency instrument is also connected with the signal input part of computer by RS232.
8. central air conditioner energy efficiency monitoring system as claimed in claim 6, is characterized in that: described efficiency instrument is also connected with internet by TF card interface, HDMI, wireless WiFi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442813.6U CN204757267U (en) | 2015-06-25 | 2015-06-25 | Central air conditioning efficiency monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520442813.6U CN204757267U (en) | 2015-06-25 | 2015-06-25 | Central air conditioning efficiency monitoring system |
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| CN204757267U true CN204757267U (en) | 2015-11-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928134A (en) * | 2016-04-18 | 2016-09-07 | 贵州汇通华城股份有限公司 | Energy efficiency analysis cloud system of central air-conditioning refrigeration station |
| CN106802376A (en) * | 2016-12-22 | 2017-06-06 | 中山市西雅斯智能家电有限公司 | A kind of efficiency of air conditioner evaluation system |
| CN107314498A (en) * | 2017-05-25 | 2017-11-03 | 中国农业大学 | The efficiency on-line monitoring method and device of a kind of central air conditioner system |
| CN108534412A (en) * | 2018-03-22 | 2018-09-14 | 贵州汇通华城股份有限公司 | A kind of host supervision device and the estimation technique for maximum likelihood estimate |
| CN110486896A (en) * | 2019-07-25 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of tandem air-conditioning system optimal control method based on water cooler energy consumption model |
-
2015
- 2015-06-25 CN CN201520442813.6U patent/CN204757267U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928134A (en) * | 2016-04-18 | 2016-09-07 | 贵州汇通华城股份有限公司 | Energy efficiency analysis cloud system of central air-conditioning refrigeration station |
| CN106802376A (en) * | 2016-12-22 | 2017-06-06 | 中山市西雅斯智能家电有限公司 | A kind of efficiency of air conditioner evaluation system |
| CN107314498A (en) * | 2017-05-25 | 2017-11-03 | 中国农业大学 | The efficiency on-line monitoring method and device of a kind of central air conditioner system |
| CN108534412A (en) * | 2018-03-22 | 2018-09-14 | 贵州汇通华城股份有限公司 | A kind of host supervision device and the estimation technique for maximum likelihood estimate |
| CN110486896A (en) * | 2019-07-25 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of tandem air-conditioning system optimal control method based on water cooler energy consumption model |
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