CN102080861A - Regulation method of working condition of air conditioner and integral air conditioner - Google Patents
Regulation method of working condition of air conditioner and integral air conditioner Download PDFInfo
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- CN102080861A CN102080861A CN2009102501795A CN200910250179A CN102080861A CN 102080861 A CN102080861 A CN 102080861A CN 2009102501795 A CN2009102501795 A CN 2009102501795A CN 200910250179 A CN200910250179 A CN 200910250179A CN 102080861 A CN102080861 A CN 102080861A
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Abstract
The embodiment of the invention discloses a regulation method of the working condition of an air conditioner and an integral air conditioner. The integral air conditioner has the functions that ventilation and energy conservation can be realized, the refrigeration of the traditional compressor can be mutually switched and indoor and outdoor units are centralized indoors for burglary prevention. By utilizing the technical scheme in the embodiment of the invention, the defects that the existing integral base station air conditioner can not perform ventilation and energy conservation as well as compressor refrigeration switch, and the outdoor unit is easy to steal are overcome; and when an external phase sequence error occurs in the air conditioner, regulation can be automatically carried out, the reversal problem of the compressor brought by the power-supply wiring error is free of concerns, so that the installation is simple and convenient, the possibility of generating a fault is reduced, and the reliability of the whole machine is improved.
Description
Technical field
The embodiment of the invention relates to communication technical field, particularly a kind of method of adjustment of air-conditioning work state and integral air conditioner.
Background technology
The heat that produces when mass communication equipment is worked in the communications equipment room causes temperature rising in the machine room, in order to be furnished with air-conditioning refrigeration system in the normal operation machine room of controlling the temperature assurance equipment in the machine room.
But traditional air-conditioning mainly is to rely on compressor cooling, because compressor horsepower is big, the complete machine power consumption is very high.
According to statistics, 73% of the whole power consumption of the communications industry at present is that energy consumption of base station produces, wherein the base station air conditioner power consumption occupies 46%, and in communications equipment room, the air-conditioning power consumption has also occupied 34%. reduction base station air conditioner energy consumptions has become the problem that operator presses for solution.
Simultaneously, traditional air-conditioning adopts, and to be that split-type structural is that main frame generally is placed on outdoor, and this situation causes more remote base station, many positions that the stolen incident of air-conditioner outdoor unit often takes place, and is very big to the normal influence on system operation of base station.
The appearance of integral type air-conditioning has fundamentally solved the energy consumption that base station air conditioner stolen problem effectively reduces air-conditioning simultaneously.
The essential characteristic of base station air conditioner comprises:
The energy-saving integrated type air conditioner in machine room adopts the design of integral type airframe structure, possess functions such as fresh air energy-saving, big air quantity, high sensible heat, high efficiency filter, network control, satisfy the heat radiation requirement of the high load capacity long-time continuous running of machine room, therefore, require base station air conditioner to meet following feature:
1, super large air quantity, from 2P to 3P, air quantity is between 1550～1700m3/h.
2, sensible heat ratio height,＞80%, condensation not.
3, Energy Efficiency Ratio is preset requirement (existing integral air conditioner secondary efficiency standard is 2.9).
On this basis, the corresponding function that base station air conditioner had comprises:
1, the energy-conservation wind function that renews
2, air-cleaning function
3, network monitoring function
4, renew the wind function
(1) the integral type air conditioner in machine room has the new wind function of big air quantity, introduces new wind, cooling calculator room equipment when outside air temperature is lower automatically.
(2) new wind function and refrigeration mode can not opened simultaneously, and pattern is switched by automatically controlled judgement voluntarily.
(3) new wind is through in the filter screen inlet chamber.
5, air-cleaning function
6, use the double filtration system of filtration grade as G3.
7, RMON function energy-saving integrated type air conditioner in machine room has reliable network monitoring function.
8, remote-controllable system unit starting and closing.
9, the long-range unit operation conditions that monitors.
10, remote failure is reported to the police automatically.
The integral type air-conditioning in many main equipment rooms and base station, has been equipped with at present, solved base station air conditioner often stolen problem effectively reduced the energy consumption of air-conditioning simultaneously.
Now mostly be the three-phase electricity type,, will make compressor reverse rotation, cause compressor to burn if phase sequence connects instead because compressor wherein all has the phase sequence requirement with common integral type air-conditioning.
The situation that the phase sequence wrong in installation process, occurs through regular meeting, for avoiding this situation, the measure of taking usually is to increase the phase sequence function, when the phase sequence mistake, the phase sequence function action could operate as normal after at this moment needing phase sequence adjusted.
As in threephase motor phase shortage and phase sequence relay technology that existing a kind of compressor of air conditioner is used; by the three phase mains lack detection circuit is housed in protector outer casing; circuit of testing the phase sequence; the SCR control circuit; described lack detection circuit input and motor input join; wantonly two ends and ground end join in described circuit of testing the phase sequence input and the motor input; their output inserts the one-way SCR trigger by diode respectively; to relay and A.C. contactor control, realize phase shortage and phase sequence by controllable silicon to motor input terminals.
The incoming call that described phase shortage and phase sequence relay guarantee to detect the threephase motor input whether phase shortage or phase sequence changes.
In the process that realizes the embodiment of the invention, the inventor finds that there is following problem at least in prior art:
For fear of the situation that the phase sequence wrong causes the compressor of air conditioner cisco unity malfunction in installation process, occurring; the measure that existing product is taked usually is to increase the phase sequence function; when the phase sequence mistake, start phase sequence, could operate as normal after at this moment needing phase sequence adjusted.
Existing scheme can only be when guaranteeing the phase sequence mistake; the phase sequence circuit start does not still have phase sequence to adjust function; therefore when the phase sequence mistake occurring; also need manually to carry out the phase sequence adjustment and just can make the compressor operate as normal; this situation brings very big work load especially in some power supply instabilities from far-off regions can for the base station maintenance personnel, the external power source phase sequence takes place often change suddenly.
Can influence the operate as normal of base station so greatly.Cross when low when machine room external environment temperature in addition, used integral type air-conditioning still need start compressor cooling at low temperatures, and this situation can increase energy consumption undoubtedly, can not reach best energy-saving effect.
Summary of the invention
The embodiment of the invention provides a kind of method of adjustment and equipment of air-conditioning work state, realizes the adjustment of air-conditioning work state.
For achieving the above object, the embodiment of the invention provides a kind of method of adjustment of air-conditioning work state on the one hand, specifically may further comprise the steps:
Control appliance obtains outdoor temperature information and indoor temperature information by temperature sensor;
When the numerical value that is higher than described outdoor temperature information when described indoor temperature information was higher than predetermined threshold value, it was the ventilated energy-saving state that described control appliance is adjusted the air-conditioning work state;
The numerical value that is higher than described outdoor temperature information when described indoor temperature information is equal to or less than predetermined threshold value, or described indoor temperature information is when being equal to or less than described outdoor temperature information, and it is the compression mechanism cold state that described control appliance is adjusted air-conditioning.
Preferably, it is the ventilated energy-saving state that described control appliance is adjusted air-conditioning, is specially:
Described control appliance is opened vent passages, under the situation that does not start compressor, outdoor air is introduced indoor by blower fan.
Preferably, it is refrigerating state that described control appliance is adjusted the air-conditioning work state, is specially:
Described control appliance cuts out vent passages, starts compressor, uses cold-producing medium to freeze.
Preferably, when the numerical value that is higher than described outdoor temperature information when described indoor temperature information was equal to or less than predetermined threshold value, it was refrigerating state that described control appliance is adjusted air-conditioning, also comprises:
The numerical value that is higher than described outdoor temperature information when described indoor temperature information equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, it is combined state that described control appliance is adjusted the air-conditioning work state, starts ventilated energy-saving state and compression mechanism cold state simultaneously.
Preferably, it is combined state that described control appliance is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously, is specially:
Described control appliance is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, uses the cold-producing medium refrigeration.
Preferably, in the process that described control appliance is adjusted the air-conditioning work state, also comprise:
Described control appliance starts the phase sequence fault tolerant mechanism, protects processing for the air-conditioning phase sequence of unexpected variation, and carries out the refrigerating state adjustment according to current outdoor temperature information that gets access to and indoor temperature information.
On the other hand, the present invention also provides integral air conditioner, specifically comprises:
Acquisition module is used for obtaining outdoor temperature information and indoor temperature information by temperature sensor;
Adjusting module, be connected with described acquisition module, be used for when numerical value that the accessed indoor temperature information of described acquisition module is higher than described outdoor temperature information is higher than predetermined threshold value, adjusting air-conditioning is the ventilated energy-saving state, or the numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module is equal to or less than predetermined threshold value, or the accessed indoor temperature information of described acquisition module is when being equal to or less than described outdoor temperature information, and adjusting the air-conditioning work state is the compression mechanism cold state.
Preferably,
It is the ventilated energy-saving state that described adjusting module is adjusted the air-conditioning work state, is specially:
Described adjusting module is opened vent passages, under the situation that does not start compressor, outdoor air is introduced indoor by blower fan;
It is refrigerating state that described adjusting module is adjusted the air-conditioning work state, is specially:
Described adjusting module is closed vent passages, starts compressor, uses cold-producing medium to freeze.
Preferably, when the numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module was equal to or less than predetermined threshold value, it was the compression mechanism cold state that described adjusting module is adjusted air-conditioning, also comprises:
The numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, it is combined state that described adjusting module is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously.
Preferably, it is combined state that described adjusting module is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously, is specially:
Described adjusting module is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
Preferably, described integral air conditioner also comprises:
Fault-tolerant protection module; be connected with described acquisition module with described adjusting module; be used for the process the air-conditioning work state adjusted at described adjusting module; start the phase sequence fault tolerant mechanism; air-conditioning phase sequence for unexpected variation is protected processing, and carries out the phase sequence adjustment according to current outdoor temperature information that gets access to of described acquisition module and indoor temperature information.
Compared with prior art, the embodiment of the invention has the following advantages:
By using the technical scheme that the embodiment of the invention proposed, remedied existing base station integral type air-conditioning and can not carry out the self-adjusting deficiency of phase sequence.Can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, reduce the possibility that breaks down, improve whole aircraft reliability.
Adopt the hybrid refrigeration pattern by the automatic switchover between the temperature sensing circuit control refrigeration mode, the air-valve that is lower than air-conditioning middle part when indoor when outdoor environment temperature is opened, changed airflow direction, blower fan is directly introduced room temperature lowering with outdoor Cryogenic air, and the air that indoor temperature is higher directly drains into outdoorly, and compressor is not worked, and consumed power is very low, about 1/4th when having only compressor operation, energy-saving effect is very obvious.
Description of drawings
In order to be illustrated more clearly in utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of method of adjustment in the server of shift position of a kind of air-conditioning work state that the embodiment of the invention proposed;
Fig. 2 is the structural representation of a kind of Air Conditioning Facilities of embodiment of the invention proposition;
Fig. 3 is the structural representation of the integral air conditioner in a kind of concrete application scenarios of embodiment of the invention proposition;
Fig. 4 forms structural representation for the circuit of a kind of integral air conditioner that the embodiment of the invention proposes;
Fig. 5 is the structural representation of a kind of integral air conditioner of embodiment of the invention proposition.
The specific embodiment
In order to address the above problem, the integral air conditioner that the embodiment of the invention provided two each and every one compares distinct issues at what present integral type air-conditioning ran into:
The one, when carrying out cooling operation in the winter time, can cause system pressure low excessively because temperature is low excessively, compressor is brought infringement, and because compressor operation, consumed power is also very big.
The 2nd, when detecting phase sequence and make mistakes, need manually to adjust the operate as normal that could guarantee compressor.Have the indoor integral air conditioner that phase sequence is adjusted function automatically by employing, can effectively address the above problem.
Owing to have a phase sequence fault tolerance, can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, reduced the possibility that breaks down, improved whole aircraft reliability.
And free energy-saving operation function can be when temperature is low be directly introduced outdoor cold wind indoor the cooling, has not only avoided cryogenic refrigeration to the infringement of compressor but also can reduce energy resource consumption significantly.
In order to realize technical scheme of the present invention, the embodiment of the invention has proposed a kind of method of adjustment of air-conditioning work state, and its flowage structure figure specifically may further comprise the steps as shown in Figure 1:
Step S101, control appliance obtain outdoor temperature information and indoor temperature information by temperature sensor.
The temperature difference between step S102, control appliance judgement outdoor temperature information and the indoor temperature information and the relation between the predetermined threshold value.
When the numerical value that is higher than described outdoor temperature information when described indoor temperature information is higher than predetermined threshold value, execution in step S103;
The numerical value that is higher than described outdoor temperature information when described indoor temperature information is equal to or less than predetermined threshold value, or described indoor temperature information is when being equal to or less than described outdoor temperature information, execution in step S104;
The numerical value that is higher than described outdoor temperature information when described indoor temperature information equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, execution in step S105.
It is the ventilated energy-saving state that step S103, described control appliance are adjusted the air-conditioning work state;
In concrete application scenarios, the implementation procedure of this step is specially:
Described control appliance is opened vent passages, under the situation that does not start compressor, outdoor air is introduced indoor by blower fan.
It is refrigerating state that step S104, described control appliance are adjusted the air-conditioning work state.
In concrete application scenarios, the implementation procedure of this step is specially:
Described control appliance cuts out vent passages, starts compressor, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
It is combined state that step S105, described control appliance are adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously.
In concrete application scenarios, the implementation procedure of this step is specially:
Described control appliance is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
What need further specify is that in the process that control appliance is adjusted the air-conditioning work state, the technical scheme that the embodiment of the invention proposed also comprises:
Described control appliance starts the phase sequence fault tolerant mechanism, protects processing for the air-conditioning phase sequence of unexpected variation, and carries out the phase sequence adjustment according to current outdoor temperature information that gets access to and indoor temperature information.
Compared with prior art, the embodiment of the invention has the following advantages:
By using the technical scheme that the embodiment of the invention proposed, remedied existing base station integral type air-conditioning and can not carry out the self-adjusting deficiency of phase sequence.Can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, reduce the possibility that breaks down, improve whole aircraft reliability.
Adopt the hybrid refrigeration pattern by the automatic switchover between the temperature sensing circuit control refrigeration mode, the air-valve that is lower than air-conditioning middle part when indoor when outdoor environment temperature is opened, changed airflow direction, blower fan is directly introduced room temperature lowering with outdoor Cryogenic air, and the air that indoor temperature is higher directly drains into outdoorly, and compressor is not worked, and consumed power is very low, about 1/4th when having only compressor operation, energy-saving effect is very obvious.
In existing technology scene, the electricity charge of communication base station expenditure is huge.According to base station power design and interrelated data statistical analysis, the ratio that the electricity charge of air-conditioning expenditure accounts for total electricity charge in existing each base station is about 50%.
Communication base station air-conditioner installation configuration differs, and mostly is two big 3 or 5 cold fixed frequency air conditioners of three-phase list greatly.Operation is set to freeze 26 ℃, operation in 7 * 24 hours, and two regular switchover operations of air-conditioning wherein, do not shut down the whole year.
Open simultaneously some areas two air-conditionings especially, and energy consumption is huge.The brand of air-conditioning is various, wherein 5 air-conditionings are mainly the configuration use of early stage base station, the refrigeration surplus is bigger, energy-conservation space is also maximum, 3 air-conditionings are mainly taked in the base station that later stage builds, and the actual motion energy consumption differs, and refrigeration and Energy Efficiency Ratio are uneven, many base stations are in long-term unmanned state, and the operation of air conditioner situation can not get detecting timely and safeguarding.
Based on this, at base station air conditioner, having the base station integral type air-conditioning of being permitted to adjust function has mutually just had actual research and development and has been worth, combine by technology upgrading and optimum management two aspects, reduce the air conditioning electricity of base station effectively, thereby be reduced in the operation cost that power is safeguarded the aspect, realize the energy-saving and emission-reduction of network operation department.
At first, adopt technical grade phase sequence adjuster to change existing fixed frequency air conditioner into the high accuracy phase sequence and adjust air-conditioning, by compressor electric motor is carried out stepless time adjustment, the linearity that realizes compressor starts and changed speed operation, energy consumption when impact when effectively reducing compressor start and running, thereby, reduced the wearing and tearing of compressor greatly.
On the other hand, technical scheme of the present invention is by high sensitivity, the high-precision temperature sensing device of specialty, gather the base station indoor environment temperature in good time, relend and help phase sequence adjuster dynamic adjustments compressor rotary speed, thereby realize the dynamic output of air conditioner refrigerating amount, improve the control accuracy of operation of air conditioner, temperature is felt error narrow down in 1 ℃, improve the operational efficiency of air-conditioning.Set the operation (suggestion is set at automatic switchover in per 8 hours) of automaticallying switch of fixing cycle, thereby reduce the fault rate of air-conditioning and Dai Wei personnel's workload greatly.
Moreover; the integral type air-conditioning that technical solution of the present invention proposed by balance filtering air-conditioning power supply network together with wave interference; reduce reactive loss; the protection air conditioner motor; optionally; can also further add parameters such as the measurable in good time three-phase voltage, electric current, frequency, power, electric weight with display system of multifunction electric meter (apolegamy), can be used as the usefulness of base station power monitoring and saving energy test.
In order better to realize the control effect, technical solution of the present invention also optionally increased remote monitoring (apolegamy) can with existing base station/center monitoring system networking, realize the dynamic monitoring of energy-saving equipment and operation of air conditioner situation, and the collection of data and setting, make things convenient for systematized management.
In power system, power consumer is because a large amount of induction conductivity and other inductive consumer of adopting except that the active power acting of absorption system, also needs power system to supply with a large amount of reactive powers.These reactive powers cause the loss of reactive power again through the conveying and the conversion of multistage power transmission sequence, transformer, and power factor of electric network is descended.The efficient that this has not only reduced power supply equipment causes the fluctuation of line voltage, has also increased electric energy loss.
Therefore, in power consumer, improve power factor, reduce var consumption, have crucial meaning saving energy and reduce the cost.
The size of power factor is that shared ratio in apparent energy determines with character of loading and active power.
In the circuit of inductive load, power factor changes between 0 and 1, i.e. 0＜cos φ＜1.After power factor improved on the practical work, the running status of motor did not change, and active power that motor consumes and reactive power do not change yet.
But the filter capacitor in the phase sequence adjusting module can carry out the quadergy exchange with motor effectively, therefore the actual input current of phase sequence adjuster reduces, thereby reduced the line loss between electrical network and the phase sequence adjuster and the copper loss of supply transformer, reduced crosstalk net on the reactive current simultaneously.After improving power factor, the rate of descent of distribution system electric current is:
In the formula:
The operate power factor of motor before the-compensation
The rate of descent of distribution system loss is:
As seen, if power factor (PF) is improved 5%, the loss Δ P of electric line will reduce by 10.8%.Traditional refrigeration system adopts decides the rotating speed compressor, carries out switch control, utilizes squirrel-cage motor drive compression machine subsidiary on the compressor, thereby regulates evaporating temperature, and air-conditioning with the total power refrigeration, causes a large amount of refrigeration surplus wastes under running status.
Motor will constantly overcome rotor in the course of the work from the static huge rotary inertia that is produced to the rated speed change procedure, when especially being with stating with load, staring torque will exceed operation moment manyfold, its result not only wants extra consume electric power, and can aggravate the wearing and tearing of compressor moving component.
The key that improves the air-conditioning efficiency is to improve the operating efficiency of kernel components such as compressor of air conditioner, motor, blower fan.
Wherein, compressor is equivalent to " heart " of air-conditioning, has occupied about 80% of air-conditioning power consumption, to the control of air-conditioning, is exactly the control to motor in essence.
For the air conditioner motor load, have:
Power input to a machine is directly proportional with the first power of rotating speed 1/3, adopts phase sequence to adjust the power of saving after the speed governing and can be calculated by following formula:
Power saving rate:
The power of saving is directly proportional with the speed difference of system speed governing front and back, and the speed difference is big more, energy-conservation remarkable more.As seen, speed governing under the prerequisite that guarantees the normal refrigeration of air-conditioning system, the electric efficiency that may cause reduces this factor even deduction is in fact because rotating speed descends, and adopts phase sequence to adjust speed governing, and the energy-saving effect of air-conditioning will reach 20～35%.
Wherein, logic control system compares according to the change information of indoor environment temperature and inner setting value, and the output phase sequence is adjusted control signal after the calculation process; Temperature control system collection site variation of ambient temperature is analyzed comparison, and the result is flowed to logic control system; The phase sequence Adjustment System changes by controlled frequency regulates compressor rotary speed, realizes refrigeration (heating) as required.
Phase sequence is adjusted speed-regulating function: change the operational mode of original air-conditioning into phase sequence adjustment operation, operating frequency according in good time environment temperature dynamic adjustments compressor of air conditioner, adopting freezes as required comes the interior temperature stabilization of holding chamber, refrigerating capacity is changed continuously, adapt to the needs of air conditioner load automatically, greatly reduce the reactive loss of compressor, simultaneously owing to regulate liquid supply rate at any time, air-conditioning is always worked in efficiently under the state, and Energy Efficiency Ratio is improved greatly, and power savings is very obvious.
Compressor of air conditioner defencive function: compressor is had multinomial safeguard protections such as overload, overcurrent, overvoltage, under-voltage, phase shortage, compressor electric leakage.
In addition, because the compressor long-term work in the slow-speed of revolution, little current work district, operates steadily, few start and stop operation, reduce the motor wearing and tearing, so have the effect that prolongs the compressor life-span.
Soft start function: common air-conditioning compressor start immediate current is 4～7 times of normal running current, and consumed power is big, and is also big to the wearing and tearing of compressor, and frequent big electric current starting causes very big waste; Phase sequence adjustment type air-conditioner then adopts soft start, low rate start in low-frequency range, and starting current is little, and effectively saves energy can reduce the wearing and tearing of compressor simultaneously when starting.Can realize the soft start of compressor of air conditioner, the heavy current impact when effectively reducing compressor start, and the wearing and tearing of compressor of air conditioner when having reduced transient starting.
Line voltage adaptability is strong, original relatively fixed running status frequently, and phase sequence is adjusted air-conditioner and can be worked in the voltage range of broad.
Real obfuscation, neutral net chemical control system: adopt phase sequence to adjust fuzzy control technology, have advanced memory recognition function, reaction speed is fast, and adjustable range is big, can regulate running status automatically according to the variation of environmental condition, the size of corresponding output refrigerating capacity.Keep under the condition of design temperature, obtain maximum fractional energy savings.
Reserve standard communication interface, can service data (information such as temperature, voltage, electric current, fault) from RS232 or full duplex RS422 port, can be transferred to control centre on duty by mobile communication station by intelligent control device.But also operated from a distance start, shutdown simultaneously.
According to the base station energy-saving effect situation of finishing test and putting into operation, select to carry out phase sequence and adjust reducing energy consumption at the base station that meets the following conditions, can reach good energy-saving effect:
The base station overall load is between 60A～150A.The website that load is big, because the multiple heat of its equipment is big, so cause the use amount of air-conditioning big, little during the ACON Air Conditioning On refrigeration because of the base station area, thereby the temperature that is easy to make environment reach setting stops refrigeration, but because of the very fast rise of machine caloric value ambassador environment temperature, from and need starting compressor refrigeration.
Operation so repeatedly causes high frequent starting, when compressor start because its starting power is big, detent torque is big, so generally all need one 5～9 times starting current.
So the electric weight that consumes when starting is more, and the burden of air-conditioning has been deepened in frequent starting undoubtedly, its power consumption is strengthened.
Based on above-mentioned technical thought, the air-conditioning that is proposed in the technical scheme that the embodiment of the invention proposed two each and every one compares distinct issues at what present integral type air-conditioning ran into:
The one, when carrying out cooling operation in the winter time, can cause system pressure low excessively because temperature is low excessively, compressor is brought infringement, and because compressor operation, consumed power is also very big.
The 2nd, when detecting phase sequence and make mistakes, need manually to adjust the operate as normal that could guarantee compressor.
Have the indoor integral air conditioner that phase sequence is adjusted function automatically by employing, can effectively address the above problem.Owing to have a phase sequence fault tolerance, can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, reduced the possibility that breaks down, improved whole aircraft reliability.
And free energy-saving operation function can be when temperature is low be directly introduced outdoor cold wind indoor the cooling, has not only avoided cryogenic refrigeration to the infringement of compressor but also can reduce energy resource consumption significantly.
Simultaneously aspect antitheft, air-conditioning and outdoor between blow by the iron air supply duct of circle, pipeline wall thickness, intensity is big, is difficult for destroyedly, and has welded square end face in the indoor, face size is greater than line size.
As shown in Figure 2, therefore can't pipeline be stolen, further improve theftproof performance from the outside.At the pipeline opening place, the crude iron silk screen is arranged, both can prevent winged insect, can prevent that also stretching into instrument from the outside destroys.
The power consumption of base station air conditioner is a very big spending concerning the communication operator at present.
In most areas, the natural normal temperature in a lot of time periods just can satisfy the temperature requirement of the normal operation of electronic equipment, perhaps only needs an air-conditioning discontinuous operation just can satisfy the temperature requirement of the normal operation of these electronic equipments.
For these reasons, adopt international advanced control theory technology, the long term test report data of the suitable environment of the foundation international base station universal standard and the reliable and secure operation of electric equipment, the base station energy-saving air exchange system is designed in research and development, this system also has reliable security alarm function and perfect network savvy when having the base station energy-saving function.
Because the rising of temperature is because of the long-time running heating of electrical equipment but not due to the external environment temperature of standing in the base station.
As throughout the year all with the air-conditioning interior temperature (mainly be cooling) that keeps standing, just then but the advantage of the outdoor low temperature radiating and cooling of period morning and evening in winter, spring, Qiu Sanji and summer is out in the cold, thereby cause waste of electric energy, operation costs high.
The base station energy-saving air exchange system makes full use of the temperature difference of base station indoor and outdoor and forms heat exchange, relies on a large amount of circulations of air, effectively with the heat in the base station rapidly to external migration, realize indoor heat radiation.Thereby reduce power consumption and operation costs, prolongation air-conditioning service life significantly.
In conjunction with the structure chart of Fig. 3, specify as follows for responding process shown in Figure 1:
Illustrated refrigerating state is the air conditioner refrigerating running in step S104:
Air-valve shown in Fig. 3 cuts out (being in the solid line position in the structure chart), and room air is discharged to the outside by upside screen pack, condenser by outer blower fan.
The while compressor operation, air-conditioning is in refrigerating state.
Illustrated ventilated energy-saving state is air-conditioning and draws the running of new wind in step S103: air-valve is opened (being in the dotted line position in the structure chart), and outdoor new wind is introduced the indoor by downside screen pack, evaporimeter by inner blower.
Compressor does not leave, and air-conditioning only draws new wind.
Illustrated combined state is the running of air-conditioning hybrid refrigeration in step S105: air-valve is opened (being in the dotted line position in the structure chart), and outdoor new wind is introduced the indoor by downside screen pack, evaporimeter by inner blower.And compressor operation is opened, and air-conditioning is in and both draws new wind, the state of running refrigeration again, can be in the station temperature very high, stand outside temperature be fit to again draw under the situation of new wind, thereby realize cooling-down effect efficiently and rapidly.
The outdoor low temperature thresholding (T1), outdoor high temperature thresholding (T2), indoor temperature T3, outside humidity S1, indoor humidity S2 of system fan start-up temperature are set and other are provided with parameter threshold and item by main control computer.
Real-time sensing chamber of system internal and external temperature, humidity, dirt degree are controlled the reasonable work of the blower fan of base station air conditioner automatically under the standard of special Mathematical Modeling algorithm routine, reach cooling, thereby reach energy-conservation optimum efficiency.
The base station energy-saving air exchange system promptly can work alone, also can be connected with the power monitoring module by RS232 or RS485 bus, upload the data to Surveillance center by different transmission networks, native system mainly is to improve the operational paradigm of air-conditioning, utilize ventilation temperature adjustment principle automatically, thereby next energy-conservation, to reach the purpose that cuts operating costs.
Integrated installation: all devices is integrated into indoor integrated installation, and the outdoor unit of effective and efficient manner is stolen.
Adopt integrated design, front maintenance need not installed off-premises station; Owing to be integrated design, indoor apparatus of air conditioner, off-premises station are integrated in the unit, so reduced workload such as refrigerant pipeline installation;
The automatic switchover natural cooling source, change the new wind air output of adjusting automatically according to indoor load: new wind integral air conditioner is furnished with powerful control system, can change according to outdoor temperature and between mechanical refrigeration and fresh air refrigerating pattern, automatically switch, and can change automatically damper aperture continuously according to indoor load, the new wind air quantity of dynamic adjustments guarantees that indoor temperature is stable and reduces fan energy consumption;
Unit has air door closed condition alarm function, and air door can send warning information in the time of can't closing fully, guarantees the efficient stable operation of system;
Big air quantity, the design of little enthalpy difference, satisfy professional machine room needs: new wind integral air conditioner guarantees that in strict accordance with the requirement design of precise machine room air conditioner indoor temperature distribution is even, eliminates the existence of focus fully, guarantees device security.
Adopt the scroll compressor of efficient stable, ensure high life, the high energy efficiency ratio of product.
At control section outdoor temperature sensor is arranged, can detect outdoor temperature, when outdoor temperature was higher, air-conditioning carried out mechanical refrigeration; When outdoor temperature is low, the air-valve of air-conditioning middle part is opened, changed airflow direction, blower fan is directly introduced room temperature lowering with outdoor Cryogenic air, and the air that indoor temperature is higher directly drains into outdoorly, and compressor is not worked, and consumed power is very low, about 1/4th when having only compressor operation, energy-saving effect is very obvious.
This product adopts the phase sequence fault-toleranr technique, and control circuit is adjusted phase sequence automatically, need not manually-operated, has simplified installment work.Avoided simultaneously in some remote districts, power supply instability, frequent external power source phase sequence change the adverse effect that machine is brought suddenly.
The elementary diagram of machine as shown in Figure 4, dotted portion wherein is a phase sequence automatic switchover part.
The phase sequence automatic switching function is adjusted two contactors of phase sequence and is realized by being integrated in circuit of testing the phase sequence and being used on the master control borad.The input of two contactors all is connected to power input, and output also all is connected to each electric-controlled parts of all-in-one.
But the order of connection of two contactor inputs is opposite.
It is correct that testing circuit on master control borad detects phase sequence, i.e. the coil adhesive of control contactor A, and contactor A input is identical with the order of connection of power input, and the power supply that phase sequence is correct leads to each parts of all-in-one by contactor A.
Testing circuit on master control borad detects the phase sequence mistake, it is the coil adhesive of control contactor B, contactor B input is opposite with the order of connection of power input, exports each electric-controlled parts to after so just the phase sequence of mistake being adjusted into correct phase sequence, guarantees that machine runs well.
The fast development of mobile communication technology has expedited the emergence of a large amount of communication base stations.These communication base station the insides are installed with the communication electronic equipment of high value, these electronic equipments have certain requirement to environment, need remain within certain temperature range, even require near temperature stabilization (for example: 24 ℃ ± 3 ℃) some numerical value, for this reason, each base station all needs to be equipped with the apparatus of air conditioning.
A few years ago, invested place restrictions on, the selling at exorbitant prices of natural cooling and energy conserving air-conditioning, to the influence of factors such as natural cooling base station air-conditioning understanding deficiency, the base station investment has been selected many conventional cabinet air-conditioner units for use with operator.Facts have proved the improper property of this air-conditioning type selecting.
Except a series of equipment dependability problem having occurred, excessive operation energy consumption is excessive also to be a major issue.The BTS management personnel have had been found that these problems, are the energy-saving natural cooling base station air-conditioning equipment of base station design specially thereby manage to use instead.Yet the selection and Application to this energy-saving equipment instructs, and still lacks data.
Now a lot of companies recognize the energy-saving potential of energy-conservation integrated base station air-conditioning equipment in base station and machine room application, organizing and implementing actual motion contrast test to this natural cooling base station air-conditioning equipment, estimating needs the time in one to two year, just has a series of measured data and comes out.
This is based on such consideration, and the technical scheme that the embodiment of the invention proposed has just had the application corresponding scene.
Compared with prior art, the embodiment of the invention has the following advantages:
By using the technical scheme that the embodiment of the invention proposed, remedied existing base station integral type air-conditioning and can not carry out the self-adjusting deficiency of phase sequence.
Can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, thereby, reduced the possibility that breaks down, improved whole aircraft reliability.
Adopt the hybrid refrigeration pattern by the automatic switchover between the temperature sensing circuit control refrigeration mode, the air-valve that is lower than air-conditioning middle part when indoor when outdoor environment temperature is opened, changed airflow direction, blower fan is directly introduced room temperature lowering with outdoor Cryogenic air, and the air that indoor temperature is higher directly drains into outdoorly, and compressor is not worked, and consumed power is very low, about 1/4th when having only compressor operation, energy-saving effect is very obvious.
In order to realize above-mentioned technical scheme, the embodiment of the invention also provides a kind of integral air conditioner, and its structural representation specifically comprises as shown in Figure 5:
Adjusting module 52, be connected with described acquisition module 51, be used for when numerical value that described acquisition module 51 accessed indoor temperature informations are higher than described outdoor temperature information is higher than predetermined threshold value, adjusting air-conditioning is the ventilated energy-saving state, or be used for being equal to or less than predetermined threshold value when the numerical value that described acquisition module 51 accessed indoor temperature informations are higher than described outdoor temperature information, or when described acquisition module 51 accessed indoor temperature informations were equal to or less than described outdoor temperature information, the adjustment air-conditioning was a refrigerating state.
Preferably,
It is the ventilated energy-saving state that described adjusting module 52 is adjusted air-conditioning, is specially:
Described adjusting module 52 is opened vent passages, under the situation that does not start compressor, outdoor air is introduced indoor by blower fan;
It is refrigerating state that described adjusting module 52 is adjusted air-conditioning, is specially:
Described adjusting module 52 is closed vent passages, starts compressor, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
Preferably, when the numerical value that is higher than described outdoor temperature information when described acquisition module 51 accessed indoor temperature informations was equal to or less than predetermined threshold value, it was refrigerating state that described adjusting module 52 is adjusted the air-conditioning work states, also comprises:
The numerical value that is higher than described outdoor temperature information when described acquisition module 51 accessed indoor temperature informations equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, it is combined state that described adjusting module 52 is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously.
Preferably, it is combined state that described adjusting module 52 is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously, is specially:
Described adjusting module 52 is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
Preferably, described integral air conditioner also comprises:
Fault-tolerant protection module; be connected with described acquisition module 51 with described adjusting module 52; be used for the process adjusted at 52 pairs of air-conditioning work states of described adjusting module; start the phase sequence fault tolerant mechanism; air-conditioning phase sequence for unexpected variation is protected processing, and carries out the phase sequence adjustment according to described acquisition module 51 current outdoor temperature information that get access to and indoor temperature information.
Compared with prior art, the embodiment of the invention has the following advantages:
By using the technical scheme that the embodiment of the invention proposed, remedied existing base station integral type air-conditioning and can not carry out the self-adjusting deficiency of phase sequence.
Can adjust automatically during external phase sequence mistake, needn't worry the press counter-rotating problem that the power supply wiring mistake is brought, make installation easier, thereby, reduced the possibility that breaks down, improved whole aircraft reliability.
Adopt the hybrid refrigeration pattern by the automatic switchover between the temperature sensing circuit control refrigeration mode, the air-valve that is lower than air-conditioning middle part when indoor when outdoor environment temperature is opened, changed airflow direction, blower fan is directly introduced room temperature lowering with outdoor Cryogenic air, and the air that indoor temperature is higher directly drains into outdoorly, and compressor is not worked, and consumed power is very low, about 1/4th when having only compressor operation, energy-saving effect is very obvious.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, the technical scheme of the embodiment of the invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) each implements the described method of scene to carry out the embodiment of the invention.
It will be appreciated by those skilled in the art that accompanying drawing is a preferred schematic diagram of implementing scene, module in the accompanying drawing or flow process might not be that the enforcement embodiment of the invention is necessary.
It will be appreciated by those skilled in the art that the module in the device of implementing in the scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of implementing scene just to description.
More than disclosed only be the several concrete enforcement scene of the embodiment of the invention, still, the embodiment of the invention is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the embodiment of the invention.
Claims (11)
1. the method for adjustment of an air-conditioning work state is characterized in that, specifically may further comprise the steps:
Control appliance obtains outdoor temperature information and indoor temperature information by temperature sensor;
When the numerical value that is higher than described outdoor temperature information when described indoor temperature information was higher than predetermined threshold value, it was the ventilated energy-saving state that described control appliance is adjusted air-conditioning;
The numerical value that is higher than described outdoor temperature information when described indoor temperature information is equal to or less than predetermined threshold value, or described indoor temperature information is when being equal to or less than described outdoor temperature information, and it is the compression mechanism cold state that described control appliance is adjusted air-conditioning.
2. the method for claim 1 is characterized in that, it is the ventilated energy-saving state that described control appliance is adjusted air-conditioning, is specially:
Described control appliance is opened vent passages, under the situation that does not start compressor, outdoor air is introduced indoor by blower fan.
3. the method for claim 1 is characterized in that, it is the compression mechanism cold state that described control appliance is adjusted air-conditioning, is specially:
Described control appliance cuts out vent passages, starts compressor, carries out traditional air conditioner refrigerating circulation.
4. as any described method in the claim 1 to 3, it is characterized in that when the numerical value that is higher than described outdoor temperature information when described indoor temperature information was equal to or less than predetermined threshold value, described control appliance was adjusted the air conditioner refrigerating state, also comprises:
The numerical value that is higher than described outdoor temperature information when described indoor temperature information equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, described control appliance is adjusted into the hybrid refrigeration state, starts ventilated energy-saving state and compression mechanism cold state simultaneously.
5. method as claimed in claim 4 is characterized in that, it is admixture that described control appliance is adjusted air-conditioning, starts ventilated energy-saving state and refrigerating state simultaneously, is specially:
Described control appliance is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
6. the method for claim 1 is characterized in that, in the process that described control appliance is adjusted the air conditioner refrigerating state, also comprises:
Described control appliance starts the phase sequence fault tolerant mechanism, protects processing for the air-conditioning phase sequence of unexpected variation, and carries out ventilated energy-saving, compressor cooling, the adjustment of hybrid refrigeration state according to current outdoor temperature information that gets access to and indoor temperature information.
7. an integral air conditioner is characterized in that, indoor apparatus of air conditioner and off-premises station are integrated to be placed indoorly, specifically comprises:
Acquisition module is used for obtaining outdoor temperature information and indoor temperature information by temperature sensor;
Adjusting module, be connected with described acquisition module, be used for when numerical value that the accessed indoor temperature information of described acquisition module is higher than described outdoor temperature information is higher than predetermined threshold value, adjusting air-conditioning is the ventilated energy-saving state, or the numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module is equal to or less than predetermined threshold value, or the accessed indoor temperature information of described acquisition module is when being equal to or less than described outdoor temperature information, and adjusting air-conditioning is the compression mechanism cold state.
8. integral air conditioner as claimed in claim 7 is characterized in that,
It is the ventilated energy-saving state that described adjusting module is adjusted air-conditioning, is specially:
Described adjusting module is opened vent passages, under the situation that does not start compressor, outdoor cold air is introduced indoor by blower fan;
It is the compression mechanism cold state that described adjusting module is adjusted air-conditioning, is specially:
Described adjusting module is closed vent passages, starts compressor, uses cold-producing medium to freeze.
9. as claim 7 or 8 described integral air conditioners, it is characterized in that, when the numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module was equal to or less than predetermined threshold value, it was the compression mechanism cold state that described adjusting module is adjusted air-conditioning, also comprises:
The numerical value that is higher than described outdoor temperature information when the accessed indoor temperature information of described acquisition module equals predetermined threshold value, or the described indoor temperature information numerical value that is higher than described outdoor temperature information is when being between transition region, it is combined state that described adjusting module is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously.
10. integral air conditioner as claimed in claim 9 is characterized in that, it is combined state that described adjusting module is adjusted the air-conditioning work state, starts ventilated energy-saving state and refrigerating state simultaneously, is specially:
Described adjusting module is opened vent passages, by blower fan outdoor air is introduced indoorly, starts compressor simultaneously, indoor air is freezed, and the room air that temperature is too high is discharged outdoor.
11. integral air conditioner as claimed in claim 7 is characterized in that, also comprises:
Fault-tolerant protection module; be connected with described acquisition module with described adjusting module; be used for the process the air-conditioning work state adjusted at described adjusting module; start the phase sequence fault tolerant mechanism; air-conditioning phase sequence for unexpected variation is protected processing, and carries out the adjustment of refrigerating state according to current outdoor temperature information that gets access to of described acquisition module and indoor temperature information.
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| CN2009102501795A CN102080861A (en) | 2009-11-30 | 2009-11-30 | Regulation method of working condition of air conditioner and integral air conditioner |
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| CN102853506A (en) * | 2011-06-29 | 2013-01-02 | 台达电子工业股份有限公司 | Cooling system with function of switching circulation radiating inside and outside machine room |
| CN103256687A (en) * | 2013-04-28 | 2013-08-21 | 广东美的制冷设备有限公司 | Self-adaptation control method and device of air conditioner |
| CN104640082A (en) * | 2015-01-15 | 2015-05-20 | 小米科技有限责任公司 | Method and device for generating prompting message |
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| CN102635540A (en) * | 2012-04-01 | 2012-08-15 | Tcl空调器(中山)有限公司 | Compressor speed regulating method, device and air conditioning equipment |
| CN103256687A (en) * | 2013-04-28 | 2013-08-21 | 广东美的制冷设备有限公司 | Self-adaptation control method and device of air conditioner |
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| CN107765649A (en) * | 2016-08-22 | 2018-03-06 | 安徽瑞宏信息科技有限公司 | A kind of computer room management system |
| CN106705495A (en) * | 2016-11-28 | 2017-05-24 | 广东申菱环境系统股份有限公司 | Heat exchanger device and control method thereof |
| CN107449101A (en) * | 2017-06-23 | 2017-12-08 | 珠海格力电器股份有限公司 | Temperature control method and device, controller, electronic equipment and humidity control system |
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| CN108332355A (en) * | 2017-12-19 | 2018-07-27 | 赛尔通信服务技术股份有限公司 | A kind of energy conserving system and power-economizing method for communication base station |
| CN110764469A (en) * | 2018-07-27 | 2020-02-07 | 青岛海高设计制造有限公司 | Clothes processing system, control method and device thereof, and computer readable storage medium |
| CN111426021A (en) * | 2020-02-27 | 2020-07-17 | 青岛海尔空调电子有限公司 | Air duct type air conditioner and operation control method and device thereof |
| CN112484228A (en) * | 2020-11-27 | 2021-03-12 | 佛山市厦欣科技有限公司 | One-driving-multiple ground source controller with real-time remote monitoring function |
| CN112413852A (en) * | 2020-12-02 | 2021-02-26 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioning equipment and air conditioning equipment |
| CN114396709A (en) * | 2021-12-13 | 2022-04-26 | 珠海格力电器股份有限公司 | Multi-module air conditioning system, control method thereof and storage medium |
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Application publication date: 20110601 |