CN202001276U - Energy efficiency ratio measurement equipment of air compressor, air compressor and compressed air cost calculator - Google Patents
Energy efficiency ratio measurement equipment of air compressor, air compressor and compressed air cost calculator Download PDFInfo
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- CN202001276U CN202001276U CN2010205564582U CN201020556458U CN202001276U CN 202001276 U CN202001276 U CN 202001276U CN 2010205564582 U CN2010205564582 U CN 2010205564582U CN 201020556458 U CN201020556458 U CN 201020556458U CN 202001276 U CN202001276 U CN 202001276U
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- air compressor
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- efficiency ratio
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/30—Smart metering, e.g. specially adapted for remote reading
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Abstract
The utility model provides online energy efficiency ratio measurement equipment and a compressed air cost calculator, which aims at online-analyzing the energy efficiency ratio under a fluctuation working condition. The online energy efficiency ratio measurement equipment is provided with a flow measuring device, an electric quantity measuring device and an arithmetic device. The flow measuring device measures an output flow of the compressed air, the electric quantity measuring device measures the power consumption of unit time of the air compressor, and the arithmetic device is used for calculating the energy efficiency ratio of the air compressor based on an air flow measured by the flow measuring device and the power consumption of unit time of the air compressor measured by the electrical measuring device. The compressed air cost calculator calculates and displays real time compressed air cost according to the fact that the electricity price coefficient which is input in advance multiplies the real time energy efficiency ratio, thereby providing more complete and more accurate data for statistics of dynamic resource of a factory to achieve energy saving and emission reduction. The compressed air cost calculator further can be used as a tool of benefit evaluation for air compressor equipment.
Description
Technical field
The utility model relates to factory automation, more specifically, relates to Energy Efficiency Ratio instrumentation equipment, the air compressor of air compressor, and the pressurized air price-marking weigher that the pressurized air of air compressor output is carried out cost metering measuring and calculating.
Background technique
Be accompanied by the raising of industrial electric automation degree, compressed-air actuated use amount continues to increase, and rises to the second largest secondary energy of current industrial quarters, is only second to electric power.Average 25% commercial power is used to drive air compressor.It is the air that sucks surrounding environment that air compressor is called for short air compressor, by mechanical compress and be delivered to the equipment of pipe network; Therefore strengthen management, energy-conservation significant for the whole electricity consumption of factory to air compressor power consumption.
In all consumers, the power consumption of air compressor accounts for 25% of the whole power consumption of factory.Compressor is energy-conservation as if realization 15%, just can be the whole power consumption energy-conservation about about 3～4% of factory.
Energy-saving and emission-reduction are all being advocated in the whole world now, reduce " greenhouse gases CO
2Discharge amount ", the protection environment for human survival; China is implementing to reduce the energy-output ratio of per GDP.In the middle of four dynamic indexs such as " water, electricity, vapour, the wind " of factory and enterprise, the consumption of first three items statistics and price accounting relatively are easy to carry out; " wind " is the finger pressure air that contracts just, is to be produced by the air compressor that factory provides for oneself, and consumption is left in the basket usually, and cost then is difficult to calculate.
Obviously, compressed-air actuated cost is directly proportional with the efficient and the equal Rate of load condensate of air compressor.Both compressed-air actuated yielding capacity (air displacement 2.) divided by the consumption (power consumption 1.) of air compressor, can draw the Energy Efficiency Ratio index (=1./2.) of air compressor.
According to the investigation of China being used the compressor load percentage of pressurized air enterprise, equipment rate at full capacity is 66%, and promptly equipment moves with unloading manner in time of 34% at other.Around here, even adopt best conventional regulative mode, for screw air compressor, its power consumpiton still is 20%～45% of a full-load power.Oil free screw compressor has than low value (20%), and then wasted work higher (45%) of whelk bar compressor is arranged.
Country's relevant portion has been worked out target efficiency limit value and energy-conservation evaluation of estimate for this reason; Yet this desired value only is only applicable to the limit efficiency analysis of the separate unit air compressor of 100% oepration at full load.In reality was produced, because the real-time change of operating mode, compressed-air actuated use amount was the variation that does not stop, and the Rate of load condensate of air compressor is generally 60%～70%, even lower.Therefore need a kind of online device of Energy Efficiency Ratio under can on-line analysis fluctuation operating mode.
The model utility content
The purpose of this utility model is to address the above problem, and a kind of equipment that can carry out real-time instrumentation to the Energy Efficiency Ratio of air compressor is provided.
Aspect one of the present utility model, a kind of online instrumentation equipment of Energy Efficiency Ratio of air compressor is provided, this instrumentation equipment comprises: flow detector, it detects compressed-air actuated output flow; Electric quantity detection apparatus, it detects the input power consumption of the unit time of air compressor; And arithmetic unit, it is based on the detected output flow of described flow detector, and the detected unit time power consumption of described electric quantity detection apparatus, calculates the Energy Efficiency Ratio of air compressor.
Aspect another, provide a kind of air compressor of the present utility model, the controlling computer of this air compressor has: electric quantity detection apparatus, and it detects the power consumption of unit time; Arithmetic unit, it is based on the detected unit time air mass flow of described flow detector, and the detected unit time power consumption of described electric quantity detection apparatus, calculates Energy Efficiency Ratio.
Aspect the 3rd of the present utility model, a kind of pressurized air price-marking weigher is provided, this price-marking weigher comprises: flow detector, it detects compressed-air actuated output flow; Electric quantity detection apparatus, it detects the power consumption of the unit time of air compressor; And arithmetic unit, it is based on the detected output flow of described flow detector, the detected unit time power consumption of described electric quantity detection apparatus and the cost coefficient of input in advance, at the compressed-air actuated cost of line computation.
According to the utility model, the Energy Efficiency Ratio of instrumentation air compressor in real time, and real compressed-air actuated cost of accurately online statistics or price.
Description of drawings
Fig. 1 is the formation schematic representation according to the online instrumentation equipment of air compressor Energy Efficiency Ratio of a mode of execution of the present utility model;
Fig. 2 is the schematic representation of the online instrumentation principle of explanation air compressor Energy Efficiency Ratio, has specifically illustrated the pressurized air yielding capacity;
Fig. 3 is the schematic representation of the online instrumentation principle of explanation air compressor Energy Efficiency Ratio, has specifically illustrated electric power consumption.
Embodiment
Below in conjunction with accompanying drawing online instrumentation equipment of air compressor Energy Efficiency Ratio of the present utility model and pressurized air price-marking weigher are elaborated.
Referring to Fig. 1, the online instrumentation equipment of the air compressor Energy Efficiency Ratio of a mode of execution of the utility model comprises: the flow detector 2 that detects compressed-air actuated output tolerance; Detect the electric quantity detection apparatus 1 of the unit time power consumption of air compressor, in the present embodiment, electric quantity detection apparatus 1 is an electrical quantity sensor; And arithmetic unit 3, it is based on the detected air mass flow of described flow detector, and the detected unit time power consumption of described electric quantity detection apparatus, calculates the Energy Efficiency Ratio of air compressor.
The air mass flow detection device can be the commercially available various proving flowmeters that measure standard that meet.Such as rotameter, vortex-shedding meter, thermal flowmeter or the like, perhaps the gas flowmeter of other different principle only need possess the data output function, can upload reading and get final product to computing device.For example the relief opening caliber recommends to adopt turbine flowmeter in DN50mm and following specification.
For general application, also can adopt flow transducer homemade, that can upload analog signals.For example the relief opening caliber is in DN65mm and above specification, perhaps plug-type heat sensitive type flow sensor can be adopted in the position of air compressor intakeport, its principle is that flow velocity is fast more, the heat of taking away is many more, the heating electric weight that thermosensitive probe need consume is also just big more, and then converts thereof into the 4-20mA standard signal that can read for computing device by special circuit.
The air mass flow detection device both can be installed in the relief opening of air compressor, also can be installed in the intakeport of air compressor, and the MAF that two places record is basic equating, because the leaked air quantity of air compressor in compression process is insignificant.
The air mass flow monitoring device, even can be reduced to loading duration according to air compressor, be multiplied by and load deflation rate (according to the air displacement data on the air compressor nameplate), gather calculating and obtain.For general air compressor, can infer it by instant power consumption and be in loading, unloading, shut down one of three kinds of states, the deflation rate of unloading and outage state is zero.
Electric quantity detection apparatus can be various types of intelligent electric meters (necessary occasion adopts the time-of-use tariffs intelligent electric meter) with load electric-power metering standard of data-transformation facility.
For general application, can adopt the current sensor transmission standard signal to carry out real time record and total amount integrating to arithmetic unit.
For general air compressor, can infer it by the electric quantity monitoring device and be in loading, unloading, shut down one of three kinds of states, because three's power consumption power has tangible difference.
The utility model for flow detector and electric quantity detection apparatus without any restriction, so long as can detect air compressor flow, can detect the power consumption of air compressor, then can use any device.
Flow detector and electric quantity detection apparatus are sent to arithmetic unit with the data or the signal of detected flow and electric weight.
Arithmetic unit is based on the detected air mass flow of flow detector, and the detected unit time power consumption of electric quantity detection apparatus, and the Energy Efficiency Ratio of calculating air compressor is online.
Arithmetic unit has the function of importing electricity charge rate (cost coefficient) in advance, permission is at the different time-of-use tariffs lattice coefficient of different time sections storage, and according to the online and Spot Price coefficient calculations of Energy Efficiency Ratio should be in the time period the pressurized air cost, and pressurized air valuation.
In the utility model, arithmetic unit can be any equipment with suitable operational capability.For example, arithmetic unit can be computer, process control machine or single-chip microcomputer etc.It also can be air compressor self controlling computer of having added above-mentioned operational capability.
Arithmetic unit is taken into the data of two detection devices (flow detector and electric quantity detection apparatus), and the Energy Efficiency Ratio of calculating air compressor based on these data is online.Be similar to the automobile intelligent instrument panel, can show current " per 100 km oil consumption (liter) " under steam.
For example, arithmetic unit is according to preset time interval, the power consumption that the air mass flow in the unit of account time and this unit time are interior.Calculate the Energy Efficiency Ratio of air compressor according to following formula.
A＝B/C
Wherein, A is the real-time Energy Efficiency Ratio of air compressor, and B is the air mass flow of unit time, and C is the power consumption of unit time.
In the utility model, above-mentioned predetermined time interval and unit time can at random be set according to applicable cases and demand.
The online instrumentation equipment of this air compressor Energy Efficiency Ratio can also have display unit, in order to show the Energy Efficiency Ratio that is calculated.
In addition, the online instrumentation equipment of this air compressor Energy Efficiency Ratio can also have storage device, and in order to the Energy Efficiency Ratio data that storage is calculated, the Energy Efficiency Ratio historical data of checking air compressor after being provided with is perhaps analyzed.
In addition, the online instrumentation equipment of this air compressor Energy Efficiency Ratio can also have communicator, such as network interface, in order to the Energy Efficiency Ratio data transmission of being calculated is arrived other place, for example centralized control system upper-position unit.
In addition, the online instrumentation equipment of this air compressor Energy Efficiency Ratio can also have warning device, is used for sending warning when the air compressor Energy Efficiency Ratio that calculates is lower than pre-set threshold, intervenes with prompting operation person.Surpass default duration if Energy Efficiency Ratio continues to be lower than the duration of threshold value, this warning device also can send warning.
In another mode of execution of the present utility model, a kind of pressurized air price-marking weigher is provided, this price-marking weigher comprises: flow detector, it detects compressed-air actuated output flow; Electric quantity detection apparatus, it detects the power consumption of the unit time of air compressor; And arithmetic unit, it calculates compressed-air actuated cost based on the detected air mass flow of described flow detector, the detected unit time power consumption of described electric quantity detection apparatus and time-of-use tariffs lattice coefficient.Be similar to taximeter, so be called " pressurized air price-marking weigher ".
Flow detector in this pressurized air price-marking weigher is identical with above-mentioned mode of execution with electric quantity detection apparatus, therefore no longer carries out the explanation of repetition here, describes and only pay close attention to different arithmetic units.
Arithmetic unit is based on the detected air mass flow of flow detector, and the detected unit time power consumption of electric quantity detection apparatus, and cost coefficient calculate compressed-air actuated cost, pressurized air valuation just.
Equally, arithmetic unit can be any equipment with suitable operational capability.For example, arithmetic unit can be the function module that increases in computer, process control machine, single-chip microcomputer or air compressor self controlling computer.
For example, arithmetic unit is according to preset time interval, the power consumption that the air mass flow in the unit of account time and this unit time are interior.Calculate compressed-air actuated cost according to following formula.
Cost＝(C*P)/B
Wherein, Cost is compressed-air actuated cost, and B is the air mass flow of unit time, and C is the power consumption of unit time, and P is electricity price (cost coefficient).
In the utility model, above-mentioned predetermined time interval and unit time can at random be set according to applicable cases and demand.
This pressurized air price-marking weigher can also have display unit, in order to show the pressurized air cost that is calculated.
In addition, this pressurized air price-marking weigher can also have storage device, in order to store the cost data that is calculated, for using in the future.
In addition, this pressurized air price-marking weigher can also have communicator, such as network interface, in order to the Energy Efficiency Ratio data transmission of being calculated is arrived other place, for example centralized control system upper-position unit.
In addition, this pressurized air price-marking weigher can also have warning device, is used for sending warning when the pressurized air cost that calculates is higher than pre-set threshold, intervenes with prompting operation person.This warning device sends warning after also can surpassing certain hour in the time that cost continues to be higher than threshold value.
In addition, this pressurized air price-marking weigher can also have input function, in order to importing above-mentioned predetermined time interval and unit time, and is used to import the data of time-of-use tariffs.
In addition, the utility model can also be embodied as the air compressor with the online metering device of above-mentioned Energy Efficiency Ratio, and the controlling computer of this air compressor has been added and calculated the online function of Energy Efficiency Ratio.
Equally, the utility model can also be embodied as the air compressor with above-mentioned pressurized air price-marking weigher, and the controlling computer of this air compressor has been added the function of calculating compressed-air actuated cost.
Pass through the utility model, the Energy Efficiency Ratio of instrumentation air compressor or compressed-air actuated cost in real time, perhaps to sometime the section average Energy Efficiency Ratio/cost average analysis, the instrumentation data transmission can be arrived other stations or centralized control system upper-position unit, and can give the alarm according to predetermined conditions.
By the utility model, can carry out accurate three grades of meterings to air compressor itself; Can find a kind of unit price foundation of secondary metering for each uses compressed-air actuated workshop or department; In real time accurate unit price foundation can be provided for three grades of meterings of the equipment of various consumption of compressed air; The numerical value that can Accurate Analysis goes out the energy saving of system potentiality; The foundation of assessment of cost and energy-conservation improvement is provided for the manager; Can search whole compressed air system waste basic reason; The running state of on-line analysis air compressor is for equipment maintenance, the quality of screening air compressor brand, kind provide reference data accurately; Quantize the economic performance of the various air compressors of examination, for its trustship business provides foundation; For compressed-air actuated energy outsourcing or trustship business provide payment foundation; Help industrial quarters to understand the intension of compressed air energy intuitively, improve energy conservation consciousness.
The utility model can be widely used in various use air compressor industrial and mining enterprise.
Claims (8)
1. the Energy Efficiency Ratio instrumentation equipment of an air compressor is characterized in that, " on-line monitoring, calculating in real time " comprising:
Flow detector, it detects the delivery air flow of the unit time of air compressor;
Electric quantity detection apparatus, it detects the power consumption total amount of the unit time of air compressor; And
Arithmetic unit, it is based on the detected unit time air mass flow of described flow detector, and the detected unit time power consumption of described electric quantity detection apparatus, calculates the real-time Energy Efficiency Ratio of air compressor.
2. the Energy Efficiency Ratio instrumentation equipment of air compressor according to claim 1 is characterized in that described flow detector is a gas flowmeter, both can be installed on the exhaust pipe of air compressor, also can be installed on the air sucking mouth of air compressor.
3. the Energy Efficiency Ratio instrumentation equipment of air compressor according to claim 1 is characterized in that described electric quantity detection apparatus is an electrical quantity sensor.
4. according to the Energy Efficiency Ratio instrumentation equipment of any described air compressor among the claim 1-3, it is characterized in that, this Energy Efficiency Ratio instrumentation equipment also has warning device, and when the Energy Efficiency Ratio that calculates when described arithmetic unit was lower than predetermined threshold value, this warning device sent warning.
5. according to the Energy Efficiency Ratio instrumentation equipment of any described air compressor among the claim 1-3, it is characterized in that this Energy Efficiency Ratio instrumentation equipment also has communicator, this communicator is exported the data of described Energy Efficiency Ratio.
6. according to the Energy Efficiency Ratio instrumentation equipment of any described air compressor among the claim 1-3, it is characterized in that this Energy Efficiency Ratio instrumentation equipment also has storage device, this storage device is preserved the data of described Energy Efficiency Ratio.
7. an air compressor is characterized in that, the controlling computer of this air compressor has:
Electric quantity detection apparatus, it detects the power consumption of unit time;
Arithmetic unit, it is based on the detected unit time air mass flow of described flow detector, and the detected unit time power consumption of described electric quantity detection apparatus, calculates Energy Efficiency Ratio.
8. a pressurized air price-marking weigher is characterized in that, this price-marking weigher comprises:
Flow detector, it detects compressed-air actuated delivery air flow, perhaps sucks air quantity;
Electric quantity detection apparatus, it detects the power consumption of the unit time of air compressor; And
Arithmetic unit, it calculates compressed-air actuated cost based on the detected unit time air mass flow of described flow detector, the detected unit time power consumption of described electric quantity detection apparatus and time-of-use tariffs coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205564582U CN202001276U (en) | 2010-10-12 | 2010-10-12 | Energy efficiency ratio measurement equipment of air compressor, air compressor and compressed air cost calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205564582U CN202001276U (en) | 2010-10-12 | 2010-10-12 | Energy efficiency ratio measurement equipment of air compressor, air compressor and compressed air cost calculator |
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| CN202001276U true CN202001276U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205564582U Expired - Lifetime CN202001276U (en) | 2010-10-12 | 2010-10-12 | Energy efficiency ratio measurement equipment of air compressor, air compressor and compressed air cost calculator |
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| CN (1) | CN202001276U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194699A (en) * | 2012-02-20 | 2016-12-07 | 株式会社日立产机系统 | The monitoring system of air compressor |
| CN106837768A (en) * | 2016-12-21 | 2017-06-13 | 苏州市计量测试研究所 | A kind of air compressor efficiency on-line checking assessment system and method |
| CN107796973A (en) * | 2016-08-30 | 2018-03-13 | 惠州市德鸿空气压缩机有限公司 | A kind of air compressor machine pneumoelectric meter |
| CN111043020A (en) * | 2019-12-26 | 2020-04-21 | 新奥数能科技有限公司 | Operation and maintenance monitoring method and device for air compressor |
| CN114109777A (en) * | 2021-12-02 | 2022-03-01 | 广东鑫钻节能科技股份有限公司 | Electric energy management system for air compression station |
-
2010
- 2010-10-12 CN CN2010205564582U patent/CN202001276U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194699A (en) * | 2012-02-20 | 2016-12-07 | 株式会社日立产机系统 | The monitoring system of air compressor |
| CN106194699B (en) * | 2012-02-20 | 2018-10-19 | 株式会社日立产机系统 | The monitoring system of air compressor |
| CN107796973A (en) * | 2016-08-30 | 2018-03-13 | 惠州市德鸿空气压缩机有限公司 | A kind of air compressor machine pneumoelectric meter |
| CN106837768A (en) * | 2016-12-21 | 2017-06-13 | 苏州市计量测试研究所 | A kind of air compressor efficiency on-line checking assessment system and method |
| CN106837768B (en) * | 2016-12-21 | 2019-01-25 | 苏州市计量测试院 | A kind of air compressor efficiency on-line checking assessment system and method |
| CN111043020A (en) * | 2019-12-26 | 2020-04-21 | 新奥数能科技有限公司 | Operation and maintenance monitoring method and device for air compressor |
| CN111043020B (en) * | 2019-12-26 | 2021-09-24 | 新奥数能科技有限公司 | Operation and maintenance monitoring method and device for air compressor |
| CN114109777A (en) * | 2021-12-02 | 2022-03-01 | 广东鑫钻节能科技股份有限公司 | Electric energy management system for air compression station |
| CN114109777B (en) * | 2021-12-02 | 2022-06-24 | 广东鑫钻节能科技股份有限公司 | Electric energy management system for air compression station |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| DD01 | Delivery of document by public notice |
Addressee: Zhang Rongyi Document name: Notice of expiration of patent right |
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