CN112484247A - Kitchen air conditioner and condensate water treatment method thereof - Google Patents
Kitchen air conditioner and condensate water treatment method thereof Download PDFInfo
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- CN112484247A CN112484247A CN202011157482.3A CN202011157482A CN112484247A CN 112484247 A CN112484247 A CN 112484247A CN 202011157482 A CN202011157482 A CN 202011157482A CN 112484247 A CN112484247 A CN 112484247A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 308
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 description 18
- 238000009833 condensation Methods 0.000 description 18
- 238000001704 evaporation Methods 0.000 description 16
- 230000008020 evaporation Effects 0.000 description 16
- 238000001816 cooling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
Abstract
The invention discloses a kitchen air conditioner and a condensate water treatment method thereof, wherein the condensate water treatment method comprises the following steps: s1: starting a refrigeration or heating mode by the kitchen air conditioner; s2: starting a water pump to start draining condensed water; s3: judging whether the water pump idles, if so, controlling the water pump to stop working and entering the next step, and if not, continuing to execute the step S3; s4: starting to calculate parameters of condensed water generated by the kitchen air conditioner; s5: judging whether the amount of the condensed water in the collecting tank reaches a set threshold value, if so, returning to the step S2; if not, the amount of the condensed water generated by the kitchen air conditioner is accumulated and calculated, and then the step S5 is continuously executed. The invention eliminates the influence of residual condensed water in the collecting tank on the calculation result, effectively ensures the calculation accuracy of the amount of condensed water generated by the work of the evaporator, does not need a liquid level sensor, can accurately judge and control the starting time of the water pump, prevents the excessive amount of condensed water in the collecting tank from dripping, and improves the use experience of users.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a technology for treating condensed water of a kitchen air conditioner.
Background
The kitchen is a severe environment with small space and large oil smoke, and is not suitable for directly installing an air conditioner in the kitchen, and the treatment of condensed water is one of the main reasons. At present, the treatment of the condensed water of the kitchen air conditioner mainly comprises the following schemes: the first is the most common drainage treatment, which utilizes the height difference or the pressure of a water pump to realize the drainage at the evaporator end, but needs to punch a hole on the wall, needs to lead out a long pipeline and is complex to install; the second is that the motor is used for pumping water, condensed water at the evaporator end is discharged to the condenser end, and the motor rotating blade is used for beating the condensed water on the condenser for evaporation, so that the problem of the condensed water can be solved, and the condensation heat dissipation can be improved; the third is to utilize the height difference to make the condensed water of the evaporator directly drop on the condenser to evaporate, which may cause the insufficiently evaporated condensed water to gather at the bottom of the condenser, and is only suitable for the refrigeration system with upper and lower structure such as floor type cabinet machine or mobile air conditioner.
In addition, the existing kitchen air conditioner begins to discharge the condensed water when monitoring that the amount of the condensed water reaches a set threshold value, and when the water pump and/or the water level sensor are abnormal, the amount of the condensed water is too much and drips easily, so that the use experience of a user is influenced.
Disclosure of Invention
The invention aims to solve one of the problems in the prior related art at least to a certain extent, and therefore, the invention provides a condensate water processing method of a kitchen air conditioner, which can not only prevent the phenomenon of dripping caused by excessive condensate water, but also accurately calculate the condensate water amount generated by the kitchen air conditioner, thereby realizing the accurate control of the starting of a water pump.
The invention also provides a kitchen air conditioner applying the condensed water treatment method.
According to the condensed water treatment method of the kitchen air conditioner, the technical scheme is as follows:
a condensed water treatment method of a kitchen air conditioner includes the following steps:
s1: starting a refrigeration or heating mode by the kitchen air conditioner;
s2: starting a water pump to start draining condensed water;
s3: judging whether the water pump idles, if so, controlling the water pump to stop working and entering the next step, and if not, continuing to execute the step S3;
s4: starting to calculate parameters of condensed water generated by the kitchen air conditioner;
s5: judging whether the amount of the condensed water in the collecting tank reaches a set threshold value, if so, returning to the step S2; if not, the amount of the condensed water generated by the kitchen air conditioner is accumulated and calculated, and then the step S5 is continuously executed.
In some embodiments, the determining whether the water pump is idling is performed by determining a relationship between an operating current of the water pump and a preset current, and determining whether the water pump is idling based on the determination result.
In some embodiments, the preset current is a normal operating current when the water pump drains water normally, and if the operating current of the water pump is smaller than the normal operating current, the water pump is determined to be idling; if the working current of the water pump is equal to the normal working current, judging that the water pump drains normally; and if the working current of the water pump is larger than the normal working current, judging that the water pump is locked.
In some embodiments, the condensate water parameter comprises a condensate water production rate V and/or a condensate water production volume V, wherein the condensate water production rate V is obtained by the following formula:
v＝(J2-J1)×Q，
in the formula: j. the design is a square1Absolute humidity of the evaporator return air inlet; j. the design is a square2Absolute humidity at the center of the evaporator; and Q is the air flow of the air outlet of the kitchen air conditioner.
In some embodiments, the amount of condensed water within the collection tank is calculated from a condensed water parameter.
According to the kitchen air conditioner provided by the above, the kitchen air conditioner is realized by the following technical scheme:
a kitchen air conditioner comprises a machine body, a compressor, an evaporator and a condenser, wherein the machine body is provided with a cold air outlet, a hot air outlet and an air return inlet, the compressor, the evaporator and the condenser are all installed in the machine body, the kitchen air conditioner further comprises a condensed water processing module and a controller, the condensed water processing module comprises a collecting tank and a water pump, the collecting tank is arranged in the machine body and located below the evaporator, the water inlet end and the water outlet end of the water pump are respectively communicated with the collecting tank and the condenser, and the controller is respectively and electrically connected with the compressor, the evaporator, the condenser and the water pump; the controller is used for starting the water pump when a refrigeration or heating mode is started, controlling the water pump to be closed when the water pump idles, starting to calculate condensed water parameters generated by the evaporator, and judging whether the amount of condensed water in the collecting tank reaches a set threshold value according to the condensed water parameters.
In some embodiments, the condensed water processing module further includes a water curtain, a spraying device and a connecting pipe, the water curtain is disposed on the condenser, the spraying device is disposed on the condenser and located above the water curtain, a plurality of water spraying holes facing the water curtain are disposed at the bottom of the spraying device, two ends of the connecting pipe are respectively communicated with the collecting tank and the spraying device, and the water pump is mounted on the connecting pipe.
In some embodiments, the water curtain comprises a plurality of vertically arranged wet curtain papers, a mounting cavity is arranged in the condenser, the wet curtain papers are arranged in the mounting cavity at intervals side by side, at least part of the lower ends of the wet curtain papers are abutted to the bottom of the mounting cavity, and the spraying device is arranged in the mounting cavity and positioned above the wet curtain papers.
In some embodiments, the air return opening includes an evaporator air return opening and a condenser air return opening, a first detection device for detecting temperature and/or humidity is arranged at the evaporator air return opening, a second detection device for detecting temperature and/or humidity is arranged on a surface of the evaporator, which is away from the evaporator air return opening, and the controller is electrically connected with the first detection device and the second detection device respectively.
In some embodiments, the condensed water processing module further includes a water amount detection device electrically connected to the control device, and the water amount detection device is installed in the collecting tank and is used for detecting the amount of condensed water in the collecting tank.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. according to the invention, when the kitchen air conditioner starts a refrigeration or heating mode, residual condensed water in the collecting tank is firstly pumped, then the amount of the condensed water generated by the evaporator is calculated, whether the water pump is started or not is judged according to the relation between the calculated amount of the condensed water and a set threshold value, the influence of the residual condensed water in the collecting tank on a calculation result is eliminated, the calculation accuracy of the amount of the condensed water generated by the work of the evaporator is effectively ensured, meanwhile, a liquid level sensor is not needed, the starting time of the water pump can be accurately judged and controlled, the phenomenon that excessive amount of the condensed water in the collecting tank drops is prevented, and the use experience of a user is;
2. the invention not only realizes the treatment and recycling of the condensed water, but also can radiate the condenser, thereby improving the heat exchange effect of the condenser.
Drawings
FIG. 1 is a flow chart of a condensed water treatment method in example 1 of the present invention;
fig. 2 is a schematic structural view of a kitchen air conditioner in embodiment 1 of the present invention, in which a cover plate of a machine body is hidden;
fig. 3 is a schematic structural view of a kitchen air conditioner in embodiment 1 of the present invention;
fig. 4 is a sectional view of a kitchen air conditioner in embodiment 1 of the present invention;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
Example 1
Referring to fig. 2 to 4, the present embodiment provides a kitchen air conditioner, which includes a machine body 1, a compressor 2, an evaporator 3 and a condenser 4, wherein the machine body 1 is provided with a cold air outlet 11, a hot air outlet 12 and a return air inlet (not shown in the figure), and the compressor 2, the evaporator 3 and the condenser 4 are all installed in the machine body 1 to form an integrated kitchen air conditioner. Still include comdenstion water processing module (not shown in the figure) and controller (not shown in the figure), comdenstion water processing module includes collecting vat 51 and water pump 52, collecting vat 51 sets up in organism 1 and is located the below of evaporimeter 3, be used for collecting the comdenstion water that evaporimeter 3 work produced, water pump 52 is installed inside organism 1, and the end of intaking of water pump 52 communicates collecting vat 51 and condenser 4 respectively with the play water end, and like this, accessible water pump 52, with the comdenstion water pump-sending in collecting vat 51 to condenser 4 in and dispel the heat to condenser 4, not only realize the processing and the recycle of comdenstion water, still realized dispelling the heat to condenser 4, promote the heat transfer effect of condenser 4. The controller is electrically connected with the compressor 2, the evaporator 3, the condenser 4 and the water pump 52 respectively, and is used for controlling the water pump 52 to start working when the kitchen air conditioner starts a refrigeration or heating mode so as to dry condensed water in the collecting tank 51 and prevent the phenomenon of dripping caused by excessive amount of the condensed water in the collecting tank 51; the controller is also used for controlling the water pump 52 to be closed when the water pump 52 idles, and starting to calculate the condensed water parameter generated by the evaporator 3, so that the controller can accurately calculate the amount of the condensed water generated by the evaporator 3 in the kitchen air conditioner according to the condensed water parameter, and meanwhile, the influence of the residual condensed water in the collecting tank 51 on the accuracy of the calculation result is eliminated; the controller is also used for accurately judging whether the amount of condensed water in the collecting tank 51 reaches a set threshold value according to the amount of condensed water obtained by calculating the condensed water parameter, so that the water pump is accurately controlled to be started, the phenomenon of dripping caused by excessive amount of condensed water in the collecting tank 51 is further prevented, and the use experience of a user is improved.
It is therefore visible, the kitchen air conditioner of this embodiment, it is through drawing dry earlier remaining the comdenstion water in the collecting vat 51 when the kitchen air conditioner starts refrigeration or heats the mode, the condensation water yield that evaporimeter 3 produced begins to calculate again, and judge whether to open water pump 52 according to the condensation water yield that calculates the gained and the relation of setting for the threshold value, the influence of remaining the comdenstion water in the collecting vat 51 to the calculated result has been eliminated, effectively guarantee the calculation accuracy that evaporimeter 3 work produced the condensation water yield, need not level sensor simultaneously, also can accurate judgement control water pump's opening time, prevent that the condensation water yield in the collecting vat 51 is too much and the phenomenon of dripping appears, promote user's use and experience. In addition, not only the treatment and the recycle of comdenstion water have been realized, can also dispel the heat to condenser 4, promote condenser 4's heat transfer effect.
Referring to fig. 2 to 3, in particular, the machine body 1 includes a machine body (not shown) having an opening at the top and a cover plate 15, the cover plate 15 is detachably disposed at the opening of the machine body, and preferably, the machine body and the cover plate 15 are made of heat insulating materials or heat insulating materials are disposed on the machine body and the cover plate 15 to prevent heat and cold in the machine body 1 from being dissipated. A partition plate 10 is arranged in the machine body 1, the partition plate 10 divides the interior of the machine body 1 into an evaporation cavity 101 and a condensation cavity 102 which are arranged side by side at intervals, and a heat insulating material is arranged on the partition plate 10 or the partition plate 10 is made of a heat insulating material, so that heat exchange between the evaporation cavity 101 and the condensation cavity 102 is prevented, and the heat insulating effect is improved.
In this embodiment, the cold air outlet 11 is communicated with the evaporation cavity 101, the hot air outlet 12 is communicated with the condensation cavity 102, and the air return opening comprises an evaporator air return opening 13 and a condenser air return opening 14, wherein the evaporator air return opening 13 is communicated with the evaporation cavity 101, and the condenser air return opening 14 is communicated with the condensation cavity 102. The evaporator 3 is mounted in the evaporation chamber 101 and arranged close to the evaporator return air inlet 13, the compressor 2 is mounted in the condensation chamber 102, and the condenser 4 is mounted in the condensation chamber 102 and located between the condenser return air inlet 14 and the compressor 2.
Further, still include the cold machine 81 and the cooling fan 82 that loose that electric connection controller respectively, the cold machine 81 that looses is installed in evaporation chamber 101 and its air intake orientation is the same with the opening orientation of organism body, and the air outlet intercommunication cold wind export 11 of the cold machine 81 that looses, like this, realized through the cold machine 81 that looses, blows the cold volume that produces the work of evaporimeter 3 to cold wind export 11, for the kitchen cooling, improves the comfort level of kitchen environment. Radiator fan 82 installs in condensation chamber 10 and its air intake orientation is the same with the opening orientation of organism body, and radiator fan 82's air outlet intercommunication hot-blast export 12, like this, has realized blowing compressor 2 and the heat that condenser 4 work produced to hot-blast export 12, for compressor 2 and condenser 4 heat dissipation, can provide the hot-blast for the kitchen simultaneously. In this embodiment, because in the cooling fan 81 crouches and puts evaporation chamber 101 to cooling fan 82 also crouches and evaporates condensation chamber 10, does benefit to the whole height that reduces kitchen air conditioner, thereby makes kitchen air conditioner be the flat structure, guarantees that kitchen air conditioner can adapt to the inside height of furred ceiling.
Referring to fig. 4-5, further, the condensed water processing module further includes a water curtain 53, a spraying device 54 and a connecting pipe 55, the water curtain 53 is disposed on the condenser 4, the spraying device 54 is disposed on the condenser 4 and above the water curtain 53, a plurality of water spraying holes 541 facing the water curtain 53 are disposed at the bottom of the spraying device 54, two ends of the connecting pipe 55 are respectively communicated with the collecting tank 51 and the spraying device 54, and the water pump 52 is mounted on the connecting pipe 55. From this, water pump 52 can be with in the comdenstion water pump sending to spray set 54 in the collecting vat 51, then the comdenstion water evenly drips to water curtain 53 from spray hole 541 of spray set 54 on, effectively increase the moisture evaporation area, adopt water curtain 53 strong volatilization effect to carry out abundant evaporation at condenser 4 high temperature environment, promote comdenstion water evaporation rate, reduce the comdenstion water treatment cost, improve condenser 4's cooling rate simultaneously, and then guarantee that condenser 4 has higher heat exchange effect.
Preferably, a mounting chamber 41 is provided in the condenser 4, and the mounting chamber 41 has lateral openings (not shown) on both left and right sides thereof, so as to facilitate the rapid assembly of the water curtain 53 and the spray device 54 in the mounting chamber 41 through the lateral openings. The water curtain 53 comprises a plurality of vertically arranged wet curtain papers 531, the wet curtain papers 531 are arranged in the installation cavity 41 side by side at intervals, and the lower end of at least part of the wet curtain papers 531 is abutted to the bottom of the installation cavity 41, so that if the condensed water is not completely evaporated on the wet curtain papers 531 and is gathered at the bottom of the installation cavity 41, the wet curtain papers 531 can also evaporate the condensed water at the bottom by utilizing the siphon phenomenon to be dry, thereby ensuring that the condensed water is fully evaporated. The spraying device 54 is disposed in the installation cavity 41 and located above the wet curtain paper 531, the spraying device 54 has a cavity 542, a water inlet (not shown in the figure) and a plurality of water spraying holes 541, two ends of the water inlet are respectively communicated with the connecting pipe 55 and the cavity 542, the plurality of water spraying holes 541 are uniformly spaced and disposed side by side at the bottom of the spraying device 54 and are communicated with the cavity 542, and each water spraying hole 541 is disposed toward the corresponding wet curtain paper 531. Therefore, the condensed water generated by the operation of the evaporator 3 is introduced into the condenser 4 by the water pump 52 for evaporation, the evaporation efficiency of the condensed water and the cooling rate of the condenser 4 are improved by utilizing the principle that the wet curtain paper 531 has large evaporation area and siphon effect, and in addition, the wet curtain paper 531 can continuously volatilize the condensed water left at the bottom of the spray device 54 and/or the installation cavity 41 after the kitchen air conditioner is shut down, so that the condensed water is fully evaporated.
More preferably, the wet curtain paper 531 is wavy, and each water spraying hole 541 faces the crest portion of the corresponding wet curtain paper 531, so that the condensed water uniformly dropped from the water spraying holes 541 can be accurately dropped onto the wet curtain paper 531, thereby ensuring that the condensed water can be sufficiently evaporated. In addition, the water curtain 53 further comprises a plurality of transversely-arranged connecting portions 532, and all wet curtain paper 531 is connected to each connecting portion 532, so that the connecting portions 532 not only play a role in connecting the wet curtain paper 531, the strength of the water curtain 53 per se is enhanced, the stability and reliability of installation are improved, partial condensed water can be accepted, the evaporation area of the condensed water is further increased, and the evaporation efficiency of the condensed water is remarkably improved.
Referring to fig. 2-3, further, a first detection device 6 for detecting temperature and/or humidity is disposed at the evaporator air return opening 13, a second detection device 7 for detecting temperature and/or humidity is disposed on a side of the evaporator 3 away from the evaporator air return opening 13, and the controller is electrically connected to the first detection device 6 and the second detection device 7, respectively. In this embodiment, first detection device 6 is temperature and humidity sensor, can detect the temperature and the humidity of evaporimeter return air inlet 13 department to realize the humidity of real-time detection kitchen ambient temperature and evaporimeter return air inlet 13 department, like this, need not additionally to add the ambient temperature probe, do benefit to and save part and installation procedure, reduce cost. The second detection device 7 is a temperature and humidity sensor, and is installed at the center of one side of the evaporator 3 departing from the evaporator air return opening 13, so as to detect the humidity at the center of the evaporator 3 in real time. From this, the controller can be according to the humidity of evaporimeter return air inlet 13, the humidity of evaporimeter 3 center department and the air mass flow of cold wind export 11, come the condensate water production rate V and/or the condensate water production volume V of accurate calculation evaporimeter 3 during operation to realize the condensate water yield in the accurate calculation collecting vat 51, and then make the controller can be according to the condensate water yield that calculates the result and the big or small relation of setting for the threshold value, whether accurate control water pump is opened, thereby avoid the condensate water too much and the phenomenon of dripping appears.
Referring to fig. 1, the present embodiment further provides a method for treating condensed water of a kitchen air conditioner, the method comprising the steps of:
s1: starting a refrigeration or heating mode by the kitchen air conditioner;
s2: starting the water pump 52 to start draining the condensed water;
specifically, since a certain amount of condensed water may remain in the collecting tank 51 when the kitchen air conditioner starts the cooling or heating mode last time, in order to avoid the influence of the remaining condensed water on the accurate calculation of the amount of condensed water at this time, the amount of condensed water in the collecting tank 51 is also maintained below the set threshold, and thus, the water dripping phenomenon when the kitchen air conditioner restarts the cooling or heating mode is avoided. When the kitchen air conditioner starts refrigeration or heating mode, start water pump 52 work to and the interior residual condensate water of collecting vat 51 is drained away in time, in this embodiment, water pump 52 will remain condensate water pump 51 and send to condenser 4 on, in order to realize in time draining away the residual condensate water, fully remain the condensate water and come radiating condenser 4, promote condenser 4's heat transfer effect.
S3: judging whether the water pump 52 idles, if so, controlling the water pump 52 to stop working and entering the next step, otherwise, continuing to execute the step S3;
specifically, the determination of whether the water pump 52 is idling is made by determining the relationship between the operating current of the water pump 52 and a preset current, and determining whether the water pump 52 is idling based on the determination result. If the water pump 52 idles, it indicates that the water pump 52 has drained the condensed water in the collection tank 51, at this time, the water pump 52 is controlled to stop working and the operation proceeds to step S4, so as to avoid the long-term idling of the water pump 52 from affecting the service life; if the water pump 52 does not idle, it indicates that the condensed water in the collecting tank 51 is not drained, and it is necessary to maintain the operation of the water pump 52 and continue to judge whether the water pump 52 idles until the condensed water in the collecting tank 51 is drained, so that the calculation accuracy of the amount of condensed water generated by the operation of the evaporator 3 by the residual condensed water in the collecting tank 51 is eliminated, and the phenomenon of water dripping caused by inaccurate calculation of the amount of condensed water is avoided.
S4: starting to calculate parameters of condensed water generated by the kitchen air conditioner;
s5: judging whether the amount of the condensed water in the collecting tank 51 reaches a set threshold value, if so, returning to the step S2; if not, the amount of the condensed water generated by the kitchen air conditioner is accumulated and calculated, and then the step S5 is continuously executed.
In particular, the amount of condensed water in the collecting tank 51 is calculated from condensed water parameters, i.e. from the condensed water generating volume V and/or the condensed water generating rate V. The controller determines the on-time of the water pump 52 according to the calculated relationship between the amount of condensed water and the set threshold value, so as to avoid dripping caused by excessive amount of condensed water in the collection tank 51.
It can be seen that, this embodiment kitchen air conditioner's comdenstion water processing method, it is through draining earlier the remaining comdenstion water in collecting vat 51 when kitchen air conditioner starts refrigeration or heating mode, the condensation water yield that the evaporimeter 3 produced begins to calculate again, and whether open water pump 52 according to the relation of the condensation water yield that calculates with the settlement threshold value, eliminated the influence of remaining comdenstion water in the collecting vat 51 to the calculated result, effectively guarantee the calculation accuracy of condensation water yield, need not level sensor simultaneously, also can accurate judgement control water pump's opening time, prevent that the condensation water yield in the collecting vat 51 is too much and the phenomenon of dripping appears, promote user's use and experience.
Preferably, the preset current is a normal working current when the water pump 52 drains normally, and if the working current of the water pump 52 is smaller than the normal working current, it is determined that the water pump 52 idles; if the working current of the water pump 52 is equal to the normal working current, the water pump 52 is judged to drain normally; if the operating current of the water pump 52 is greater than the normal operating current, it is determined that the water pump 52 is locked. From this, through the change situation according to the operating current of water pump 52, accurate discernment water pump 52 is in the state for idle running, normal drainage or locked rotor, avoids influencing the judgement accuracy because of water pump 52 trouble, and reducible probability that causes the untimely emergence of drainage comdenstion water because of the erroneous judgement simultaneously promotes user's use and experiences.
Preferably, the condensate water parameter includes a condensate water generation rate V and/or a condensate water generation volume V, wherein the condensate water generation rate V is obtained by the following formula:
v＝J2-J1×Q，
in the formula: j. the design is a square1Absolute humidity of the evaporator return air inlet 13; j. the design is a square2Absolute humidity at the center of the evaporator 3; and Q is the air flow of the air outlet of the kitchen air conditioner. In the present embodiment, the absolute humidity J of the evaporator return air inlet 131Is obtained by obtaining the absolute humidity J at the center of the evaporator 3 based on the humidity detected by the first detecting means 62Is obtained from the humidity detected by the second detecting means 7.
Example 2
The present embodiment is different from embodiment 1 in that the condensed water processing module further includes a water amount detecting device (not shown in the figure) installed in the collecting tank 51 and connected to the controller for detecting the amount of condensed water in the collecting tank 51, and the other parts are the same as embodiment 1.
When the amount of condensed water in the collecting tank 51 reaches a set threshold value and the water pump 52 fails and cannot drain the condensed water in the collecting tank 51 in time, if the water amount detection device detects that the amount of condensed water in the collecting tank 51 belongs to (the set threshold value is greater than the upper limit value of the set threshold value), the controller sends an alarm signal and controls the kitchen air conditioner to stop working, so that the phenomenon of water dripping caused by excessive condensed water in the collecting tank 51 is avoided, and the use experience of a user is further improved.
It can be seen that, the setting of water yield detection device, when making water pump 52 break down and can't in time drain away the comdenstion water in the collecting vat 51, the controller can in time send alarm signal and control kitchen air conditioner stop work according to the condensation water yield that water yield detection device detected, avoids appearing the phenomenon of dripping, further promotes to use and experiences.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for treating condensed water of a kitchen air conditioner is characterized by comprising the following steps:
s1: starting a refrigeration or heating mode by the kitchen air conditioner;
s2: starting a water pump (52) to start draining condensed water;
s3: judging whether the water pump (52) idles, if so, controlling the water pump (52) to stop working and entering the next step, and if not, continuing to execute the step S3;
s4: starting to calculate parameters of condensed water generated by the kitchen air conditioner;
s5: judging whether the amount of the condensed water in the collecting tank (51) reaches a set threshold value, if so, returning to the step S2; if not, the amount of the condensed water generated by the kitchen air conditioner is accumulated and calculated, and then the step S5 is continuously executed.
2. The condensate water processing method of a kitchen air conditioner according to claim 1, wherein the determining whether the water pump (52) idles is performed by determining a relation between an operating current of the water pump (52) and a preset current, and determining whether the water pump (52) idles based on the determination result.
3. The condensate water processing method of a kitchen air conditioner according to claim 2, characterized in that the preset current is a normal operating current when the water pump (52) drains normally, if the operating current of the water pump (52) is less than the normal operating current, the water pump (52) is judged to be idling; if the working current of the water pump (52) is equal to the normal working current, the water pump (52) is judged to drain normally; and if the working current of the water pump (52) is larger than the normal working current, judging that the water pump (52) is locked.
4. The condensate water processing method of a kitchen air conditioner according to claim 1, wherein the condensate water parameter comprises a condensate water generation rate V and/or a condensate water generation volume V, wherein the condensate water generation rate V is obtained by the following formula:
v＝(J2-J1)×Q，
in the formula: j. the design is a square1Is the absolute humidity of the evaporator return air inlet (13); j. the design is a square2Absolute humidity at the center of the evaporator (3); and Q is the air flow of the air outlet of the kitchen air conditioner.
5. The condensate water processing method of a kitchen air conditioner according to claim 1 or 4, characterized in that the amount of condensate water in the collecting tank (51) is calculated according to a condensate water parameter.
6. A kitchen air conditioner comprises a machine body (1), a compressor (2), an evaporator (3) and a condenser (4), the machine body (1) is provided with a cold air outlet (11), a hot air outlet (12) and an air return inlet, the compressor (2), the evaporator (3) and the condenser (4) are all arranged in the machine body (1), characterized in that the device also comprises a condensed water processing module and a controller, wherein the condensed water processing module comprises a collecting tank (51) and a water pump (52), the collecting tank (51) is arranged in the machine body (1) and is positioned below the evaporator (3), the water inlet end and the water outlet end of the water pump (52) are respectively communicated with the collecting tank (51) and the condenser (4), the controller is electrically connected with the compressor (2), the evaporator (3), the condenser (4) and the water pump (52) respectively;
the controller is used for starting the water pump (52) when a refrigeration or heating mode is started, also used for controlling the water pump (52) to be closed when the water pump (52) idles, starting to calculate a condensed water parameter generated by the evaporator (3), and also used for judging whether the amount of the condensed water in the collecting tank (51) reaches a set threshold value according to the condensed water parameter.
7. The kitchen air conditioner according to claim 6, wherein the condensed water processing module further comprises a water curtain (53), a spraying device (54) and a connecting pipe (55), the water curtain (53) is disposed on the condenser (4), the spraying device (54) is disposed on the condenser (4) and above the water curtain (53), a plurality of water spraying holes (541) facing the water curtain (53) are disposed at the bottom of the spraying device (54), two ends of the connecting pipe (55) are respectively communicated with the collecting tank (51) and the spraying device (54), and the water pump (52) is mounted on the connecting pipe (55).
8. A kitchen air conditioner according to claim 7, characterized in that said water curtain (53) comprises a plurality of vertically arranged wet curtain papers (531), a mounting chamber (41) is provided in said condenser (4), a plurality of said wet curtain papers (531) are mounted in said mounting chamber (41) side by side at intervals, at least a portion of the lower end of said wet curtain papers (531) abuts against the bottom of said mounting chamber (41), and said spray means (54) is provided in said mounting chamber (41) and above said wet curtain papers (531).
9. The kitchen air conditioner according to claim 6, wherein the air return opening comprises an evaporator air return opening (13) and a condenser air return opening (14), a first detection device (6) for detecting temperature and/or humidity is arranged at the evaporator air return opening (13), a second detection device (7) for detecting temperature and/or humidity is arranged on the side, away from the evaporator air return opening (13), of the evaporator (3), and the controller is electrically connected with the first detection device (6) and the second detection device (7) respectively.
10. A kitchen air conditioner according to any one of claims 6-9, characterized in that the condensate treatment module further comprises a water amount detection device electrically connected to the control device, said water amount detection device being mounted in the collecting tank (51) for detecting the amount of condensate water in the collecting tank (51).
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