CN103307668A - Fresh air box and fresh air introduction device - Google Patents
Fresh air box and fresh air introduction device Download PDFInfo
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- CN103307668A CN103307668A CN2012100647347A CN201210064734A CN103307668A CN 103307668 A CN103307668 A CN 103307668A CN 2012100647347 A CN2012100647347 A CN 2012100647347A CN 201210064734 A CN201210064734 A CN 201210064734A CN 103307668 A CN103307668 A CN 103307668A
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Abstract
The embodiment of the invention provides a fresh air box and a fresh air introduction device. The fresh air box comprises a box body, a fresh air valve, a first air return valve and an air supply fan; the fresh air valve, the first air return valve and an air outlet are arranged on the box body, and the air supply fan is arranged in the box body; the fresh air valve is used for inputting outdoor air; the first air return valve is used for inputting indoor air; the air supply fan is used for reducing the resistance of the outdoor air which is input by the fresh air valve, so as to supply air indoors through the air outlet; or the resistance of the mixed air of the outdoor air which is input by the fresh air valve and the indoor air input by the first air return valve is reduced, so as to supply air indoors through the air outlet. According to the embodiment of the invention, the outdoor air or the mixed air of the outdoor air and the indoor air is supplied indoors through the air supply fan, so as to input cold air indoors through an outdoor free cold source and save the electricity.
Description
Technical field
The present invention relates to areas of information technology, particularly a kind of new wind box and fresh air introducing apparatus.
Background technology
In communications equipment room, the power consumption of refrigeration air-conditioner is the maximum power consumption except server, even use the chilled water precision air conditioner of the higher centrifuge cooling of efficiency, the refrigeration power consumption also accounts for more than 30% of machine room overall power consumption.
The precision air conditioner all-in-one of the new wind of existing band is opened a fresh wind port at the air return section of precision air conditioner, and outdoor new wind is introduced precision air conditioner, by precision air conditioner to indoor air-supply, yet the power consumption of this air-conditioning is still higher.
Summary of the invention
The embodiment of the invention provides a kind of new wind box and fresh air introducing apparatus, realizes saves energy.
On the one hand, the embodiment of the invention provides a kind of new wind box, comprising: casing, and described casing is provided with new air-valve, the first air returning valve and air outlet, and described box house is provided with breeze fan;
Described new air-valve is used for the input outdoor air;
Described the first air returning valve is used for the input room air;
Described breeze fan is used for reducing the resistance of the outdoor air of described new air-valve input, with by described air outlet to indoor air-supply; Perhaps, the resistance of the mixing air of the room air that the outdoor air that reduces described new air-valve input and described the first air returning valve are inputted, with by described air outlet to indoor air-supply.
On the other hand, the embodiment of the invention also provides a kind of fresh air introducing apparatus, comprising: new wind box and standard precision air conditioner, and the air outlet of described new wind box is connected with the air inlet of described standard precision air conditioner;
Described new wind box comprises: casing, and described casing is provided with new air-valve, the first air returning valve and air outlet, and described box house is provided with breeze fan;
Described new air-valve is used for the input outdoor air;
Described the first air returning valve is used for the input room air;
Described breeze fan is used for reducing the resistance of the outdoor air of described new air-valve input, with by described air outlet to indoor air-supply; Perhaps, the resistance of the mixing air of the room air that the outdoor air that reduces described new air-valve input and described the first air returning valve are inputted, with by described air outlet to indoor air-supply;
Described standard precision air conditioner is for backward indoor air-supply that the room air of inputting is freezed.
New wind box and fresh air introducing apparatus that the embodiment of the invention provides, the mixing air of outdoor air or outdoor air and room air is sent into by breeze fan indoor, thereby by outdoor free low-temperature receiver to indoor input cold wind, realize saves energy.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of an embodiment of new wind box provided by the invention;
Fig. 2 is the structural representation of new another embodiment of wind box provided by the invention;
Fig. 3 is the structural representation of new another embodiment of wind box provided by the invention;
Fig. 4 is the structural representation of an embodiment of fresh air introducing apparatus provided by the invention;
Fig. 5 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention;
Fig. 6 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention;
Fig. 7 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention;
Fig. 8 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention;
Fig. 9 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention;
Figure 10 is the structural representation of another embodiment of fresh air introducing apparatus provided by the invention.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the structural representation of an embodiment of new wind box provided by the invention, as shown in Figure 1, this new wind box comprises: casing 1, casing 1 are provided with new air-valve 11 and the first air returning valve 12 and air outlet (not shown), and casing 1 inside is provided with breeze fan 13; Wherein:
New air-valve 11 is used for the input outdoor air;
The first air returning valve 12 is used for the input room air;
Breeze fan 13 is used for reducing the resistance of the outdoor air of new air-valve 11 inputs, with by air outlet to indoor air-supply; Perhaps, the resistance of the mixing air of the room air that the outdoor air that reduces 11 inputs of new air-valve and the first air returning valve 12 are inputted, with by air outlet to indoor air-supply.
Because the various communication equipments in the communications equipment room are continuous distribute heat in the course of the work, therefore, usually need the temperature that keeps lower in the communications equipment room, with the normal operation of assurance communication equipment.The new wind box that the embodiment of the invention provides goes for annual area take low temperature as the master, such as: the areas such as monsoon climate of medium latitudes, temperate continental climate or Etesian climate.
Wherein, casing 1 can adopt aluminium alloy and polyurethane (Polyurethane, PU) foaming panel to make, and can also adopt panel beating and insulation material or antinoise sponge material etc. to make.
When outdoor temperature is lower than certain design temperature, can open the new air-valve 11 of this new wind box, outdoor air is introduced in the casing 1, reduce the resistance of the outdoor air of new air-valve 11 inputs by breeze fan 13, thereby form certain wind speed and air quantity, to indoor transporting cold wind.Yet, when outdoor temp is spent when low, if only adopt outdoor air to indoor air-supply, then may cause indoor environment to cross low and the equipment that affects normally moves, in this case, can open simultaneously new air-valve 11 and first air returning valve 12 of this new wind box, outdoor air and room air are all inputted in the casing 1, reduce the resistance of the mixing air of the outdoor air of new air-valve 11 inputs and the room air that the first air returning valve 12 is inputted by breeze fan 13, thereby form certain wind speed and air quantity, to indoor transporting cold wind.
Wherein, breeze fan 13 all can affect indoor temperature to air quantity, wind speed and the temperature of indoor air-supply, therefore, when new air-valve 11 opens and the first air returning valve 12 when cutting out, can pass through to regulate the aperture of new air-valve 11, and/or regulate the rotating speed of breeze fan 13, make indoor temperature reach setting value; When new air-valve 11 and the first air returning valve 12 are opened simultaneously, can be by regulating the aperture of new air-valve 11 and/or the first air returning valve 12, and/or regulate the rotating speed of breeze fan 13, make indoor temperature reach setting value.
The new wind box that the present embodiment provides by the new air-valve 11 of setting on the casing 1, is introduced outdoor air indoor, makes outdoor air form certain wind speed and air quantity by breeze fan 13 again, realizes to the indoor cold wind of sending into, so that indoor temperature reaches certain value; Can also be by new air-valve 11 and the first air returning valve 12 of setting on the casing 1, outdoor air and room air are mixed, make the mixing air of outdoor air and room air form certain wind speed and air quantity by breeze fan 13 again, realization is to the indoor cold wind of sending into, so that indoor temperature reaches certain value.Thereby to indoor input cold wind, realize saves energy by outdoor free low-temperature receiver.
For when indoor and outdoor temperature is in certain limit, can accurately control the switching of new air-valve 11 and the first air returning valve, perhaps accurately regulate new air-valve 11 and the aperture of the first air returning valve and the rotating speed of breeze fan 13, optionally, the new wind box that the embodiment of the invention provides may further include: outdoor temperature sensor 14 and/or indoor temperature transmitter 15 and/or mixing air temperature sensor 16; As shown in Figure 2, wherein:
Mix air temperature sensor 16, can be arranged on casing 1 inside, the intersection of the room air of the outdoor air of new air-valve 11 inputs and 12 inputs of the first air returning valve, the temperature of the mixing air of the room air that can input for detection of the outdoor air of new air-valve input and the first air returning valve.
Optionally, the new wind box that the embodiment of the invention provides may further include: the controller (not shown);
Controller, can be CPU (Central Processing Unit, CPU), Digital Signal Processing (Digital Signal Processing, DSP), micro-control unit (Micro Control Unit, MCU) etc. the control module that has the control function, can be connected with breeze fan with new air-valve 11, the first air returning valve 12 and be connected, can also and/or mix air temperature sensor 16 with outdoor temperature sensor 14 and/or the indoor temperature transmitter 15 of optional setting in the new wind box and be connected.
When the temperature of outdoor air was positioned at the first scope, then controller can cut out new air-valve 11 and the first air returning valve 12, and out-of-blast blower fan.Wherein, the first scope can the demand to indoor temperature arranges in various communication equipment normal operations chamber according to communications equipment room, when outside air temperature is higher, and indoor can the refrigeration by the precision air conditioner equipment of existing various standard specifications.
When the temperature of outdoor air was positioned at the second scope, then controller can be according to temperature and/or the indoor temperature change generated in case of the outdoor air of new air-valve 11 inputs, adjust new air-valve aperture, close the first air returning valve 12 and adjust the rotating speed of breeze fan 13.The second scope also can the demand to indoor temperature arranges in various communication equipments normal operation chamber according to communications equipment room, when outside air temperature is low, then controller can be opened new air-valve 11, the first air returning valve 12 is closed, and control breeze fan 13 reduces the resistance of outdoor air, thereby form certain wind speed and air quantity, to the indoor cold wind of sending into.Because breeze fan 13 all can affect indoor temperature to air quantity, wind speed and the temperature of indoor air-supply, therefore, controller specifically can be according to temperature and/or the indoor temperature change generated in case of outdoor air, adjust the aperture of new air-valve and/or the rotating speed of adjustment breeze fan 13, so that breeze fan 13 satisfies the demand of indoor design temperature to the cold wind of indoor input.
When the temperature of outdoor air is positioned at the 3rd scope, then temperature and/or the indoor temperature change generated in case of the mixing air of the room air that can input according to the outdoor air of new air-valve 11 inputs and the first air returning valve 12 of controller are adjusted the aperture of new air-valve 11 and/or the first air returning valve 12 and/or the rotating speed of breeze fan 13.The 3rd scope also can the demand to indoor temperature arranges in various communication equipments normal operation chamber according to communications equipment room, when outside air temperature is lower than uniform temperature, if only come to indoor air-supply by outdoor air, then may cause indoor communication equipment to work, therefore, controller can all be opened new air-valve 11 and the first air returning valve 12, and control breeze fan 13 reduces the resistance of the mixing air of outdoor air and room air, thereby form certain wind speed and air quantity, to the indoor cold wind of sending into.Same, because breeze fan 13 all can affect indoor temperature to air quantity, wind speed and the temperature of indoor air-supply, therefore, controller specifically can room air temperature and/or the indoor temperature change generated in case of mixing air, adjust the aperture of new air-valve 11 and/or the first air returning valve 12 and/or the rotating speed of breeze fan 13, so that breeze fan 13 satisfies the demand of indoor design temperature to the cold wind of indoor input.
For air quantity and the wind speed of breeze fan 13 to indoor output control effectively, optionally, the new wind box that the embodiment of the invention provides, pressure switch 17 can also further be set, this pressure switch 17 specifically can be made of the pressure sensor that is arranged on breeze fan 13 input air ends and the pressure sensor that is arranged on breeze fan 13 delivery air ends, this pressure switch 17 can be for detection of the pressure differential between the air of the input air of breeze fan 13 and breeze fan 13 outputs, thereby the pressure differential that controller is detected according to pressure switch 17 is adjusted the rotating speed of breeze fan 13.
In order to improve the indoor air quality of input, optionally, the new wind box that the embodiment of the invention provides can also further arrange: the first filter 18 and/or the second filter 19, filter inputting indoor air, remove the harmful substances such as airborne dust impurity; Wherein,
The first filter 18 can be arranged on breeze fan 13 input air ends, is used for the outdoor air of new air-valve 11 inputs is filtered, and perhaps, the mixing air of the room air of the outdoor air of new air-valve 11 inputs and 12 inputs of the first air returning valve is filtered;
The second filter 19 can be arranged on breeze fan 13 delivery air ends, is used for the outdoor air of breeze fan 13 outputs is filtered, and perhaps the outdoor air of breeze fan output and the mixing air of room air is filtered.
Above embodiment is illustrated structure or the functional part that comprises in the new wind box provided by the invention.The various structures that relate in the above-described embodiments or functional part can adopt universal project installation structure to arrange, namely, the parts such as new air-valve 11, the first air returning valve 12 and air outlet in the new wind box can be arranged on the diverse location of casing 1 according to the needs of concrete engineering installation site.The resistance of the room air of inputting for the outdoor air that reduces 11 inputs of new air-valve and the first air returning valve, as a kind of feasible embodiment, as shown in Figure 3, the direction of new air-valve 11 input outdoor airs can be parallel with the direction of the first air returning valve 12 input room airs, and between new air-valve 11 and the first air returning valve 12, input the parallel direction of the direction of outdoor airs with new air-valve 11 the first filter 18 and/or the second filter 19 can abovely be set.Figure 3 shows that new air-valve 11 is positioned at the top of the first air returning valve 12, after the outdoor air of new air-valve 11 inputs filters through the first filter 18 and/or the second filter 19, mix with room air again, thereby reduced the outdoor air of new air-valve 11 inputs and the resistance of the room air that the first air returning valve 12 is inputted.
More than be the several feasible embodiment of new wind box provided by the invention, further, new wind box provided by the invention, can also be used in conjunction with the air-conditioning equipment of existing various standard specifications, the combination fresh air introducing apparatus, as shown in Figure 4, the present invention also provides the structural representation of an embodiment of fresh air introducing apparatus, as shown in Figure 4, this fresh air introducing apparatus can comprise: new wind box A and standard precision air conditioner B, and the air outlet of new wind box A is connected with the air inlet 20 of standard precision air conditioner B;
New wind box A comprises: casing 1, casing 1 are provided with new air-valve 11 and the first air returning valve 12 and air outlet 20 (that is, the air inlet 20 of standard precision air conditioner B shown in Figure 4), and casing 1 inside is provided with breeze fan 13; Wherein:
New air-valve 11 is used for the input outdoor air;
The first air returning valve 12 is used for the input room air;
Breeze fan 13 is used for reducing the resistance of the outdoor air of new air-valve 11 inputs, with by air outlet to indoor air-supply; Perhaps, the resistance of the mixing air of the room air that the outdoor air that reduces 11 inputs of new air-valve and the first air returning valve 12 are inputted, with by air outlet to indoor air-supply;
Standard precision air conditioner B is for backward indoor air-supply that the room air of inputting is freezed.
Wherein, the concrete structure of new wind box A and the new wind box that function provides referring to the embodiment of the invention.Standard precision air conditioner B can be the precision air conditioner of existing various standard specifications, and for example: power is 100kW, and air quantity is the precision air conditioner of 80Pa.
The air outlet of new wind box A can be connected with the air inlet 20 of standard precision air conditioner B, when outdoor temperature is low, then new air-valve 11 can open, when the first air returning valve 12 can be closed, breeze fan 13 can reduce the resistance of the outdoor air of new air-valve 11 inputs, the outdoor air of certain wind speed of producing and the air quantity air inlet 20 by standard precision air conditioner B is input among the standard precision air conditioner B, and inputs to indoor by the air outlet 21 of standard precision air conditioner B;
When outdoor temperature is lower than certain value, when new air-valve 11 and the first air returning valve 12 all can be opened, breeze fan 13 can reduce the resistance of the mixing air of the outdoor air of new air-valve 11 inputs and the room air that the first air returning valve 12 is inputted, the mixing air of the outdoor air of certain wind speed of producing and air quantity and the room air air inlet 20 by standard precision air conditioner B is input among the standard precision air conditioner B, and inputs to indoor by the air outlet of standard precision air conditioner B.
When outdoor temperature is higher than certain value, can start standard precision air conditioner B, adopt room air to freeze to guarantee that indoor temperature is in setting value.Wherein, because the air inlet of standard precision air conditioner B is connected with the air outlet of new wind box A, therefore, can in standard precision air conditioner B, input room air by the first air returning valve 12.
Need to prove, the fresh air introducing apparatus that the embodiment of the invention provides, when standard precision air conditioner B is the precision air conditioner of higher static pressure, for example: the static pressure of standard precision air conditioner B is 300Pa, because the static pressure of standard precision air conditioner B itself just has the air drag of reducing, and produces the effect of certain wind speed and air quantity, therefore, under this enforcement scene, among the new wind box A breeze fan 13 can be set.Outdoor air from new air-valve 11 inputs, perhaps the mixing air of the outdoor air of new air- valve 11 and 12 inputs of the first air returning valve and room air is by behind the air inlet 20 Engage of standard precision air conditioner B of standard precision air conditioner B, can produce certain wind speed and air quantity by the static pressure of standard precision air conditioner B itself, realize to indoor air-supply.
The fresh air introducing apparatus that the present embodiment provides can be introduced outdoor air by new wind box indoorly, makes outdoor air form certain wind speed and air quantity, realizes to the indoor cold wind of sending into, so that indoor temperature reaches certain value; Can also outdoor air and room air be mixed by new wind box, make again the mixing air of outdoor air and room air form certain wind speed and air quantity, realize to the indoor cold wind of sending into, so that indoor temperature reaches certain value; Can also by existing standard precision air conditioner, freeze by room air.The fresh air introducing apparatus that the present embodiment provides can by outdoor free low-temperature receiver to indoor input cold wind, be realized saves energy.
Among the above-mentioned fresh air introducing apparatus embodiment, because the air inlet of standard precision air conditioner B is connected with the air outlet of new wind box A, therefore, standard precision air conditioner B can receive room air by the first air returning valve 12 among the new wind box A.As a kind of feasible embodiment, optional as shown in Figure 5, can also the second air returning valve 22 be set at the casing 1 of new wind box A; By the air inlet input room air of this second air returning valve 22 to standard precision air conditioner B.Under this enforcement scene, the first air returning valve 11 on the new wind box A can only be used to the mixing air of outdoor air and room air that room air is provided.
For the temperature conditions that new wind box A and/or standard precision air conditioner B can be crossed according to indoor and outdoor starts work adaptively, optionally, when the controller among the new wind box A can also be positioned at the first scope in the temperature of outdoor air, start standard precision air conditioner B to the backward indoor air-supply of freezing of the room air of input.
In the fresh air introducing apparatus that the embodiment of the invention provides, because new wind box A and standard precision air conditioner B are used in conjunction with, therefore, controller can be arranged among the new wind box A, also can be arranged among the standard precision air conditioner B, perhaps adopt the operation of the controller that relates in the existing control module execution embodiment of the invention among the standard precision air conditioner B.
In the fresh air introducing apparatus that above-described embodiment provides, breeze fan 13 can directly pass through standard precision air conditioner B, and the wind that breeze fan 13 is produced inputs to indoor.Optionally, after standard precision air conditioner B receives the wind of new wind box A generation by air inlet 20, the outdoor air that can further export breeze fan 13 heats up or lowers the temperature processing, perhaps, the mixing air of the outdoor air of breeze fan 13 output and room air is heated up or lower the temperature processing.
Optionally, the fresh air introducing apparatus that the embodiment of the invention provides can also also comprise: outside humidity sensor and/or indoor humidity sensor and/or mixing air humidity sensor.
The outside humidity sensor can arrange separately, also can with new wind box A in outdoor temperature sensor integrate and be the outdoor temperature humidity sensor, for detection of the humidity of outdoor air;
The indoor humidity sensor can arrange separately, also can with new wind box A in indoor temperature transmitter integrate and be indoor temperature and humidity sensor, for detection of the humidity of room air;
The mixing air humidity sensor, can arrange separately, also can with new wind box A in the mixing air temperature sensor integrate and be the mixing air Temperature Humidity Sensor, the humidity of the mixing air of the room air of inputting for detection of outdoor air and first air returning valve 12 of new air-valve 11 inputs.
Optionally, standard precision air conditioner B is except heating up to the outdoor air of breeze fan 13 outputs or lowering the temperature processing, perhaps, to the mixing air of the outdoor air of breeze fan 13 output and room air heat up or lower the temperature process outside, the outdoor air that can also further export breeze fan among the new wind box A 13 carries out humidity to be processed, perhaps, the outdoor air of breeze fan 13 outputs and the mixing air of room air are carried out the humidity processing.
Below the operation controller carried out take an object lesson be specifically described: suppose that communications equipment room allows to move the indoor temperature scope and is T0L20 ℃～T0H25 ℃, humidity range is ψ 0L35%～ψ 0H55%.The temperature and humidity of outdoor air is respectively with T1 and ψ 1 expression; The temperature and humidity of room air is respectively with T2 and ψ 2 expressions; The temperature and humidity of the mixing air of room air and outdoor air is respectively with T3 and ψ 3 expressions; The nominal air delivery of standard precision air conditioner represents with M0; The new wind flow of new air-valve 11 represents with M1; The return air flow of the second air returning valve 22 represents with M2; The return air flow of the first air returning valve 12 represents with M3.Below be given in respectively under three kinds of service conditions of I, II and II the control operation that controller is carried out:
Service condition I: when T1 〉=T0L (20 ℃), controller can control new air-valve 11 and the first air returning valve 12 is closed, and the second air returning valve 21 is opened, and the control criterion precision air conditioner adopts the room air refrigeration to indoor input cold wind.That is, when outdoor air was higher than uniform temperature, it is out of service that controller can be controlled new wind box A, and adopt existing standard precision air conditioner B to freeze by indoor air circulation, under this enforcement scene, and M2=M0;
Service condition II: when T1＞T0L-A (℃), controller can control the first air returning valve 12 and the second air returning valve 22 is closed, new air-valve 11 is opened, new wind box A by outdoor air to indoor air-supply.In the present embodiment, A can be a design temperature, for example: the temperature of breeze fan 13 outputs.That is, when outside air temperature was low, controller was can control criterion precision air conditioner B out of service, and adopt new wind box A by outdoor air to indoor air-supply.Under this enforcement scene, M1=M0;
Service condition III: when T1＜T0L-A (℃), controller can control the second air returning valve 22 and cut out, and new air-valve 11 and the first air returning valve 12 are opened, and the mixing air of new wind box A by outdoor air and room air is to indoor air-supply.Wherein, A can be a design temperature, for example: the temperature of breeze fan 13 outputs.That is, when outside air temperature was lower than certain value, controller was can control criterion precision air conditioner B out of service, and adopted the mixing air of new wind box A by outdoor air and room air to indoor air-supply.Under this enforcement scene, M1+M3=M0; The set basis formula of M1 and M3: Q=M*c* Δ t draws, and wherein: Q represents the heat exchange amount, and c represents that (get 1.004kJ/ (kg*K), Δ t represents the hot temperature difference of air to the air ratio thermal capacitance.
Above embodiment is illustrated structure or the functional part that comprises in the fresh air introducing apparatus provided by the invention.The new various structures of wind box A or the functional part that relate in the above-described embodiments can adopt universal project installation structure to arrange, and Fig. 6 to Figure 10 provides the structural representation of several embodiment of fresh air introducing apparatus provided by the invention.
Below describe with the concrete usage data that the adopts fresh air introducing apparatus provided by the invention effect to fresh air introducing apparatus provided by the invention again.Take the Beijing area as example, annual temperature probably had below 18 ℃ about 200 days, calculated a 500m2, the beneficial effect that the communication machine room of server power 1000kW uses apparatus of the present invention to bring:
1) temperature uses fresh air introducing apparatus provided by the invention to freeze to machine room below 18 ℃ the time, and the PUE value drops to about 1.2; If but only used the precision air conditioner refrigeration, the PUE value would be also about 1.6 under the cold and hot passage prerequisite of containment;
2) electric cost of saving calculates: suppose that the actual mean power of using of server is 80% of full-load power, then year save power consumption=1000*0.8* (1.6-1.2) * 24 (hour) * 200 (my god)=153.6 (ten thousand spend) year saving electric cost=153.6*0.8-0.08*12*13=110.4 (ten thousand yuan)
3) integrated cost, performance analysis: 500m2,13 of the precision air conditioners of the actual need throwing of the communication machine room of server power 1000kW 100kW standard type need 13 in the new wind box of customization, 20,000 yuan of unit costs, filter service cost, 800 yuan every of every months; Machine room building " fresh wind port ", " exhaust outlet " were namely planned in the Design of Machine Room stage in addition, and newly-increased construction cost is little, mainly were that the air draft air-valve drops into, and estimated totally 60 ten thousand yuan;
Ten thousand yuan of newly-increased disposable input=60+13*2=86, electricity consumption is saved cost and can be recouped capital outlay less than 1 year.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a new wind box is characterized in that, comprising: casing, and described casing is provided with new air-valve, the first air returning valve and air outlet, and described box house is provided with breeze fan;
Described new air-valve is used for the input outdoor air;
Described the first air returning valve is used for the input room air;
Described breeze fan is used for reducing the resistance of the outdoor air of described new air-valve input, with by described air outlet to indoor air-supply; Perhaps, the resistance of the mixing air of the room air that the outdoor air that reduces described new air-valve input and described the first air returning valve are inputted, with by described air outlet to indoor air-supply.
2. new wind box according to claim 1 is characterized in that, also comprises: outdoor temperature sensor and/or indoor temperature transmitter and/or mixing air temperature sensor;
Described outdoor temperature sensor is for detection of the temperature of outdoor air;
Described indoor temperature transmitter is for detection of the temperature of room air;
Described mixing air temperature sensor, the temperature of the mixing air of the room air of inputting for detection of outdoor air and described first air returning valve of described new air-valve input.
3. new wind box according to claim 1 and 2 is characterized in that, also comprises:
Controller is used for cutting out described new air-valve and described the first air returning valve, and stopping described breeze fan when the temperature of outdoor air is positioned at the first scope;
Perhaps, be used for when the temperature of outdoor air is positioned at the second scope, according to temperature and/or the indoor temperature change generated in case of the outdoor air of new air-valve input, adjust described new air-valve aperture, close described the first air returning valve and adjust the rotating speed of described breeze fan;
Perhaps, be used for when the temperature of outdoor air is positioned at the 3rd scope, temperature and/or the indoor temperature change generated in case of the mixing air of the room air of inputting according to the outdoor air of described new air-valve input and described the first air returning valve are adjusted the aperture of described new air-valve and/or described the first air returning valve and/or the rotating speed of described breeze fan.
4. according to claim 2 or 3 described new wind boxes, it is characterized in that, also comprise:
Pressure switch is for detection of the pressure differential between the air of the air of inputting described breeze fan and the output of described breeze fan;
Described controller is also for the rotating speed of adjusting described breeze fan according to described pressure differential.
5. each described new wind box is characterized in that according to claim 1-4, also comprises: the first filter and/or the second filter;
Described the first filter is used for the outdoor air of described new air-valve input is filtered, and perhaps, the mixing air of the room air of the outdoor air of described new air-valve input and the input of described the first air returning valve is filtered;
Described the second filter is used for the outdoor air of described breeze fan output is filtered, and perhaps the outdoor air of described breeze fan output and the mixing air of room air is filtered.
6. new wind box according to claim 5, it is characterized in that, the direction of described new air-valve input outdoor air is parallel with the direction of described the first air returning valve input room air, and on the parallel direction of the direction of inputting outdoor air between described new air-valve and described the first air returning valve, with described new air-valve described the first filter and/or the second filter is set.
7. a fresh air introducing apparatus is characterized in that, comprises each described new wind box and standard precision air conditioner such as claim 1-6; The air outlet of described new wind box is connected with the air inlet of described standard precision air conditioner, the breeze fan of described new wind box by described standard precision air conditioner to indoor air-supply;
Described standard precision air conditioner, be used for will input the room air backward indoor air-supply of freezing.
8. fresh air introducing apparatus according to claim 7 is characterized in that, also is provided with the second air returning valve on the casing of described new wind box;
Described the second air returning valve is used for the air inlet input room air to described standard precision air conditioner.
9. according to claim 7 or 8 described fresh air introducing apparatus, it is characterized in that, described controller also is used for: when the temperature of outdoor air is positioned at the first scope, start described standard precision air conditioner to the backward indoor air-supply of freezing of the room air of input.
10. each described fresh air introducing apparatus according to claim 7-9, it is characterized in that, described standard precision air conditioner also is used for: the outdoor air of described breeze fan output is heated up or lowers the temperature processing, perhaps, the mixing air of the outdoor air of described breeze fan output and room air is heated up or lower the temperature processing.
11. each described fresh air introducing apparatus is characterized in that according to claim 7-10, also comprises: outside humidity sensor and/or indoor humidity sensor and/or mixing air humidity sensor;
Described outside humidity sensor is for detection of the humidity of outdoor air;
Described indoor humidity sensor is for detection of the humidity of room air;
Described mixing air humidity sensor, the humidity of the mixing air of the room air of inputting for detection of outdoor air and described first air returning valve of described new air-valve input.
12. each described fresh air introducing apparatus according to claim 7-11, it is characterized in that, described standard precision air conditioner equipment also is used for: the outdoor air to described breeze fan output carries out the humidity processing, perhaps, the outdoor air of described breeze fan output and the mixing air of room air are carried out the humidity processing.
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| CN201210064734.7A CN103307668B (en) | 2012-03-13 | 2012-03-13 | New wind box and fresh air introducing apparatus |
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| CN201210064734.7A CN103307668B (en) | 2012-03-13 | 2012-03-13 | New wind box and fresh air introducing apparatus |
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| CN103307668B CN103307668B (en) | 2015-11-25 |
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