CN202694121U - Data acquisition system for energy storage air conditioner - Google Patents
Data acquisition system for energy storage air conditioner Download PDFInfo
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- CN202694121U CN202694121U CN 201220333901 CN201220333901U CN202694121U CN 202694121 U CN202694121 U CN 202694121U CN 201220333901 CN201220333901 CN 201220333901 CN 201220333901 U CN201220333901 U CN 201220333901U CN 202694121 U CN202694121 U CN 202694121U
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- control unit
- main control
- data acquisition
- air conditioner
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- 238000004146 energy storage Methods 0.000 title abstract 3
- 230000006854 communication Effects 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims description 22
- 238000009825 accumulation Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a data acquisition system for an energy storage air conditioner, which comprises an upper computer and a lower computer, wherein an upper computer main control unit is arranged on the upper computer; a lower computer main control unit is arranged on the lower computer; a remote data communication module is connected between the upper computer main control unit and the lower computer main control unit; and the lower computer main control unit is also connected with a measuring instrument and a programmable logic controller. The data acquisition system has the benefits that real-time data of all instruments in the energy storage air conditioner can be remotely acquired, and a user can conveniently monitor a field system in real time, so that the human and material resources can be saved.
Description
Technical field
The utility model relates to a kind of data acquisition system (DAS), relates in particular to a kind of data acquisition system (DAS) of energy accumulation air conditioner.
Background technology
Along with improving constantly of living standard, utilize air-conditioning to supply warm refrigeration more and more general, usually the electric load of air-conditioning system " heavy night in daytime is light " and " strive the peak by paddy " with other load of electrical network, these all are the principal elements that causes the electrical network peak load poor.Therefore, the national Peak-valley TOU power price of carrying out encourages the user to transfer lotus, realizes that " peak load shifting " is to guarantee safe, the reasonable and economical operation of electrical network.
The air-conditioner energy-accumulation technology is a kind of accent lotus technology that is applied under the Peak-valley TOU power price system, it with the user in the grid power load valley phase at night made cold or thermmal storage get up, when need daytime, discharge again, thereby realize electrical network " peak load shifting ", the purpose of power cost saving.
Because air conditioner cold accumulation is a long playing process, when carrying out Peak-valley TOU power price, ammeter can record the electric weight of point that air-conditioning system consumes, peak, flat, paddy, cold meter records the cold that charges and discharge of air-conditioning system, temperature measurement module detects the temperature of water storage pool in real time, and PLC then monitors field apparatus (such as cooling-water machine, frequency converter etc.), the distributed I/O point of far-end by the PROFIBUS-DP field bus control system.If but the user wants to obtain above-mentioned data, just must check meter to on-site manual, will certainly waste a large amount of manpower and materials like this, cause the wasting of resources.
The utility model content
For defects, the purpose of this utility model provides a kind of data acquisition system (DAS) of energy accumulation air conditioner, this system can carry out by the mode of long-range reading out data the collection of real time data to the various instrument in the chilling air conditioning system, to make things convenient for the user fielded system is carried out real-time monitoring.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of data acquisition system (DAS) of energy accumulation air conditioner, this system comprises host computer and slave computer, wherein,
Be provided with the host computer main control unit on the described host computer, be provided with the slave computer main control unit on the described slave computer, be connected with the remote data communication module between described host computer main control unit and described slave computer main control unit;
Described slave computer main control unit also is connected with measurement instrument and programmable logic controller (PLC).
Further, described measurement instrument is connected by the wired or wireless communication module based on ICP/IP protocol with slave computer with programmable logic controller (PLC).
Further, described wireless communication module is GPRS communication module or CDMA communication module.
Further, described measurement instrument comprises voltameter, cold meter and temperature measuring equipment.
Further, also be connected with storage unit on the described slave computer main control unit.
The data acquisition system (DAS) of the energy accumulation air conditioner that the utility model proposes can realize the real time data of the various instrument in the remote collection chilling air conditioning system, makes things convenient for the user that fielded system is carried out real-time monitoring, thereby can save human and material resources.
Description of drawings
Fig. 1 is the schematic diagram of a kind of preferred energy accumulation air conditioner data acquisition system (DAS) of the utility model.
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of utility model is described in detail.
As shown in Figure 1, the data acquisition system (DAS) of a kind of energy accumulation air conditioner that the utility model provides, this system comprises host computer and slave computer, wherein, be provided with the host computer main control unit on the described host computer, be provided with the slave computer main control unit on the described slave computer, be connected with the remote data communication module between described host computer main control unit and described slave computer main control unit; Described slave computer main control unit also is connected with measurement instrument and programmable logic controller (PLC), and described slave computer main control unit is used for gathering the data of described measurement instrument and programmable logic controller (PLC).Described slave computer main control unit also preferably is connected with storage unit, and described storage unit is used for storing the data that are collected in measurement instrument and programmable logic controller (PLC).
Measurement instrument in the present embodiment preferably includes voltameter, cold meter and temperature measuring equipment.Certainly, other instrument that the utility model can also adopt those skilled in the art to be familiar with, for example, calorimeter, watt-hour meter, reometer, voltage table, tachometer gage, tachograph, tensimeter etc.Above-mentioned instrument is hinted obliquely at by driver separately and is abstract measurement instrument, and what data acquisition module was faced is the abstract measurement instrument of following single-protocol.
As a kind of preferred version of the present utility model, measurement instrument in the present embodiment connects with the wired or wireless communication module that is connected by ICP/IP protocol of described slave computer main control unit far away with programmable logic controller (PLC), and described wireless communication module is preferably GPRS communication module or CDMA communication module.
The slave computer of the data acquisition system (DAS) of the energy accumulation air conditioner in the present embodiment and upper machine communication are to adopt RS485 or RS232 communication modes, and all communications are adopted the leading command/response mode of host computer by PC control.This example comes image data by the com port communication, analyzes the communications protocol of various measurement instruments.The com port communication refers to peripheral hardware and intercomputer by data signal line, ground wire, control line etc., and a kind of communication modes of the transmission of data is carried out in step-by-step.The data line that this communication modes uses is few, can save the communication cost in telecommunication.
For avoiding the communication conflict, all operations are controlled by the slave computer main control unit all.When measurement instrument does not send data, all be in the state of intercepting.Slave computer in accordance with regulations address sends an order to a certain instrument, then wait for a period of time, waiting the measurement instrument data acquisition module answers, if confiscate answer, then overtime termination, control is gone back to slave computer, thereby host computer can or obtain the data of measurement instrument data and programmable logic controller (PLC) by the remote monitoring of remote data communication module.
As a kind of preferred version of the present utility model, measurement instrument can be voltameter, described voltameter is the three phase electronic multifunctional electric energy meter of Changsha group of wasion, and it is comprised of current transformer, integrating metrology chip, microprocessor, temperature compensation real-time clock, data interface unit and human interface device.The integrating metrology chip will be from the voltage dividing potential drop, the analog signal conversion of current transformer is digital signal, and it is carried out the digital integration computing, thus obtaining accurately active energy and capacity of idle power, microprocessor is processed data according to requirements such as corresponding rate and requirements.Its result is kept in the data register, and information is provided and carries out exchanges data to external interface at any time.The electricity meter data acquisition module adopts " DL/T 645-1997 communication protocol " to the collection of electricity meter data, this communication protocol use with local system in rate device and handheld unit or other data terminal equipment of multifunctional meter carry out point-to-point or one main more than from data exchange ways, stipulated physical connection, communication link and application technology standard between them.This agreement adopts RS-485 standard serial electric interfaces.By serial ports title, parity checking, data bit, position of rest etc. are set, utilize the frame format of stipulating in the stipulations just can read the data of on-the-spot ammeter, the data transmission of the voltameter that electricity meter data acquisition module handle reads is to the remote data transmission module, the remote data transmission module is given host computer data transmission, host computer shows the data that receive in real time with the form of man-machine interface, reading that so just can the remote monitoring voltameter.
As a kind of preferred version of the present utility model, measurement instrument can be cold meter, and described cold meter has customized its function that can arrange at times, increases as ordering in the order of standard communications protocol:
#AA00: integrated flux reads
#AA04: instantaneous delivery reads
#AA06: instantaneous cold reads
#AA07: always accumulate cold and read
#AA08-55:48 section accumulation cold reads
The accumulation cold reads during #AA56-59:4 section total points
What wherein AA represented is the address of cold meter.
This cold meter is by detecting water supply flow and confession, the poor calculating cold of return water temperature.Adopt the communications protocol of regulation in " non-standard function declaration-G08062009-XSJBC_24 ", adopt RS232 or RS485 transmission standard, contact communication between cold meter and the computing machine all realizes with ASCII character, the command set of instrument is finished by several instructions, finish computing machine from instrument read measured value, alarming value, controlling value, parameter value, to instrument output analog quantity, digital quantity and to the setting of the parameter of instrument.
As a kind of preferred version of the present utility model, measurement instrument can be temperature measuring equipment, described temperature measuring equipment adopts 8662 temperature collect modules of long English science and technology, module is used based on the communications protocol issue an order of the ASCII character mode of RS485 LTM-8000 Series Intelligent module is carried out far-end control, the command set of module is comprised of different orders, after setting the various attributes of serial ports, just can read all channel sensors and front end measurement and control unit data by sending order to the thermometric mould, each sensor and front end measurement and control unit data are 4 bytes, 16 system numbers, then just can obtain the numerical value of each point for measuring temperature by certain conversion.
Programmable logic controller (PLC) in the present embodiment has two kinds of duties; be running status and halted state; in running status; programmable logic controller (PLC) realizes controlling function by the user program of carrying out reflection control requirement; for the output that makes programmable logic controller (PLC) responds the input signal that may change at any time in time; user program is not Exactly-once; but once and again repeat; until the STOP duty is shut down or switched to programmable logic controller (PLC); except carrying out user program; in each cyclic process, programmable logic controller (PLC) also will be finished the work such as inter-process, communication process.The programmable logic controller (PLC) data acquisition module is that all electromechanical equipments are carried out monitoring and controlling; Automatically, the service datas such as the running status of all electromechanical equipments of Real-time Collection, malfunction, process control parameters.By the PPI communications protocol of programmable logic controller (PLC), realize equipment being opened automatically/shut down control; Valve, frequency converter are regulated; Confession/the return water temperature of monitoring chilled water, the operating condition of handpiece Water Chilling Units and operational efficiency are carried out system's team control and automatically marshalling control to the control unit, realize stepless level and smooth control and the Energy Saving Control of system; Monitor cold station operating mode and switch, for terminal cooling provides metastable operating condition; Regulate the chilled water pump rotating speed according to terminal temperature difference water supply loop pressure differential resetting value, guarantee that the operation condition of work of user side is stable.
Above-described embodiment is only for illustration of the utility model; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; in the situation that do not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical solutions also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (5)
1. the data acquisition system (DAS) of an energy accumulation air conditioner is characterized in that, this system comprises host computer and slave computer, wherein,
Be provided with the host computer main control unit on the described host computer, be provided with the slave computer main control unit on the described slave computer, be connected with the remote data communication module between described host computer main control unit and described slave computer main control unit;
Described slave computer main control unit also is connected with measurement instrument and programmable logic controller (PLC).
2. the data acquisition system (DAS) of energy accumulation air conditioner according to claim 1 is characterized in that, described measurement instrument is connected by the wired or wireless communication module based on ICP/IP protocol with slave computer with programmable logic controller (PLC).
3. the data acquisition system (DAS) of energy accumulation air conditioner according to claim 2 is characterized in that, described wireless communication module is GPRS communication module or CDMA communication module.
4. the data acquisition system (DAS) of energy accumulation air conditioner according to claim 1 is characterized in that, described measurement instrument comprises voltameter, cold meter and temperature measuring equipment.
5. the data acquisition system (DAS) of energy accumulation air conditioner according to claim 1 is characterized in that, also is connected with storage unit on the described slave computer main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333901 CN202694121U (en) | 2011-08-19 | 2012-07-10 | Data acquisition system for energy storage air conditioner |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120307194.1 | 2011-08-19 | ||
| CN201120307194 | 2011-08-19 | ||
| CN 201220333901 CN202694121U (en) | 2011-08-19 | 2012-07-10 | Data acquisition system for energy storage air conditioner |
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| Publication Number | Publication Date |
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| CN202694121U true CN202694121U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220333901 Expired - Lifetime CN202694121U (en) | 2011-08-19 | 2012-07-10 | Data acquisition system for energy storage air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388882A (en) * | 2013-07-19 | 2013-11-13 | 上海东大自动化工程有限公司 | Data acquisition processing system of air conditioning unit |
| CN103615866A (en) * | 2013-12-06 | 2014-03-05 | 杭州哲达科技股份有限公司 | Method and device for measuring unit electricity consumption of ultra-efficient refrigeration station |
| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN118068798A (en) * | 2024-04-24 | 2024-05-24 | 无锡云数工业技术有限公司 | Split IO acquisition system and method |
-
2012
- 2012-07-10 CN CN 201220333901 patent/CN202694121U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388882A (en) * | 2013-07-19 | 2013-11-13 | 上海东大自动化工程有限公司 | Data acquisition processing system of air conditioning unit |
| CN103615866A (en) * | 2013-12-06 | 2014-03-05 | 杭州哲达科技股份有限公司 | Method and device for measuring unit electricity consumption of ultra-efficient refrigeration station |
| CN103615866B (en) * | 2013-12-06 | 2015-12-30 | 杭州哲达科技股份有限公司 | The electric unit consumption measuring method of ultra high efficiency refrigeration station and device |
| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN118068798A (en) * | 2024-04-24 | 2024-05-24 | 无锡云数工业技术有限公司 | Split IO acquisition system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: POWERU ENERGY SAVING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING POWERU TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 100089, Beijing, Haidian District, West Third Ring Road, No. 89, block A, room 1109, room 11 Patentee after: PEIERYOU ENERGY SAVING TECHNOLOGY CO.,LTD. Address before: 100089, room 1109, building A, Chinese foreign language building, No. 89 West Third Ring Road, Beijing, Haidian District Patentee before: Beijing Poweru Technology Co.,Ltd. |
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| PP01 | Preservation of patent right |
Effective date of registration: 20190408 Granted publication date: 20130123 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220408 Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |