CN217441917U - Water pump flow control system and air-conditioning type range hood - Google Patents

Abstract

The utility model provides a water pump flow control system and air conditioner formula range hood, this water pump flow control system include the water box and install the water pump in the water box, install the inlet tube on the water box, the export of water pump is external to have the outlet pipe, installs the wet return on the water box, at water box internally mounted have be used for detecting the level sensor of water box water level, still including controller and time switch, the controller receives the water level feedback signal that level sensor sent, and according to the corresponding control of this water level feedback signal time switch to can and then through time switch's break-make frequency regulation the water pump flow. This water pump flow control system combines water level sensor and time switch to control the frequency that the water pump supplied water, and then adjusts water pump flow, makes the water box keep at reasonable water level, and in the face of different environment and operating condition, guarantees its stability. After the air-conditioning range hood is applied to the water pump flow control system, the evaporation capacity of condensed water can be intelligently controlled by controlling the starting and stopping frequency of the water pump.

Description

Water pump flow control system and air-conditioning type range hood

Technical Field

The utility model relates to a range hood especially relates to a water pump flow control system and air conditioner formula range hood.

Background

The kitchen is the main place that people cook, and the good or bad of kitchen air environment directly influences the culinary art and experiences. The kitchen is hot in summer and cold in winter, has the requirements of cold supply and heat supply, and in order to provide cold air for the kitchen in summer and provide warm air in winter, people invent various air-conditioning type range hoods, i.e. an air-conditioning assembly and the range hood are integrated into a whole, and an air-conditioning air outlet is arranged on a shell of the range hood. The air conditioner cigarette machine can work in a plurality of different modes, as long as the mode of taking the air conditioner is opened, the air conditioner air outlet will blow out cold wind or hot-blast, can directly blow to the culinary art person, also can blow to the kitchen indoor to effectively promote the culinary art of culinary art person and experience. After the air conditioner mode is started, the condenser of the air conditioner component can generate heat, if the condenser is not effectively cooled, the heat exchange effect of the condenser can be influenced, and the air conditioner energy efficiency is further reduced. Meanwhile, the surface of the evaporator can condense condensed water, if the condensed water of the air conditioner is discharged outside, an external water pipe is needed, the installation cost is increased, the problems of long-term wall erosion and external environment dripping are caused, and if the condensed water of the air conditioner is accumulated in the body of the range hood, local water leakage is easily caused, and even the normal work of the range hood is influenced. In order to fully utilize the condensed water, an air conditioning type range hood has been disclosed in the prior art, which conveys the condensed water of the air conditioner to a condenser and cools the condenser, and meanwhile, the condensed water flows through the surface of the condenser and is evaporated into steam to be discharged out of the range hood after absorbing heat. In summary, the existing air-conditioning range hood needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a can be according to the water level height intelligent control water pump flow's in the water box water pump flow control system to above-mentioned prior art current situation.

The utility model aims to solve the second technical problem to provide a make the air conditioner formula range hood that the comdenstion water on condenser surface can effectively evaporate to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: this water pump flow control system, including water box and the water pump of installing in the water box, install the inlet tube on the water box, the export of water pump is external to have outlet pipe, its characterized in that: the water box is provided with a water return pipe, a water level sensor for detecting the water level of the water box is arranged in the water box, the water box further comprises a controller and a timing switch, the controller receives a water level feedback signal sent by the water level sensor, correspondingly controls the timing switch according to the water level feedback signal, and can further adjust the flow of the water pump through the on-off frequency of the timing switch.

The water level sensor may be mounted in a number of different positions, preferably located adjacent to the water pump.

Preferably, the water box is provided with a water inlet pipe interface and a water return pipe interface, the water inlet pipe is installed on the water inlet pipe interface, and the water return pipe is installed on the water return pipe interface.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: this air conditioner formula range hood, including the casing, install oil absorption cigarette fan and air conditioner internal unit in the casing, the air conditioner internal unit has the evaporimeter, installs compressor and condenser in the casing, compressor, condenser and evaporimeter are linked together its characterized in that through the refrigerant pipeline: the range hood is applied with the water pump flow control system, condensed water accumulated by an air conditioner indoor unit flows into the water box through the water inlet pipe, the condenser is provided with the liquid distributor capable of distributing water to the surface of the condenser, the water outlet pipe of the water pump flow control system is communicated with the water inlet of the liquid distributor, and the condensed water which is not evaporated by the condenser can flow back to the water box through the water return pipe.

In order to sufficiently dissipate heat of the condenser, the condenser is installed in a smoke exhaust channel downstream of the range hood fan. Like this, oily flue gas flows through the condenser, can dispel the heat to the condenser to improve its heat transfer effect.

Preferably, the condenser is arranged obliquely relative to a vertical plane, and the liquid distributor is arranged at the top of the condenser.

Preferably, the smoke exhaust channel comprises a first smoke exhaust channel and a second smoke exhaust channel, an air valve for switching one of the first smoke exhaust channel and the second smoke exhaust channel to be communicated with the outlet of the smoke exhaust fan is mounted at the outlet of the smoke exhaust fan, and the condenser is arranged in the first smoke exhaust channel. Like this, range hood has the binary channels structure, and first exhaust gas passageway constitutes heat dissipation channel, and the second exhaust gas passageway constitutes the direct discharge passageway, under the operating mode of difference, through switching the blast gate, can open corresponding exhaust gas passageway.

In order to avoid the oil smoke from polluting the condenser, an oil smoke purification device is arranged in the first exhaust channel, and the oil smoke purification device is arranged at the upstream of the condenser along the flowing direction of the oil smoke.

Further preferably, the first smoke exhaust channel is provided with a first smoke exhaust port, the second smoke exhaust channel is provided with a second smoke exhaust port, and the first smoke exhaust port and the second smoke exhaust port are mutually independent.

Preferably, a water receiving tray for receiving condensed water condensed on the surface of the evaporator is arranged at the bottom of the indoor unit of the air conditioner, an outlet of the water receiving tray is communicated with the water inlet pipe, a water receiving box for receiving the condensed water which is not evaporated by the condenser is arranged below the condenser, and an outlet of the water receiving box is communicated with the water return pipe.

In order to enable the air conditioner indoor unit to smoothly discharge air, the air conditioner indoor unit is also provided with an air discharge fan, and an air conditioner air outlet communicated with an air outlet of the air discharge fan is arranged on the shell.

Preferably, the air-conditioning range hood further comprises a temperature sensor for detecting the external environment temperature of the shell, and the controller can read a temperature feedback signal output by the temperature sensor and correspondingly control the working states of the compressor, the oil fume suction fan, the air-conditioning internal unit and the water pump according to the temperature feedback signal.

The temperature sensor can be arranged at a plurality of different positions, and is preferably arranged on the collecting pipe of the condenser or at the air inlet position of the air conditioner inner machine.

Compared with the prior art, the utility model has the advantages of: this water pump flow control system combines water level sensor and time switch to control the frequency that the water pump supplied water, including opening the control of stopping the time, and then adjusts water pump flow, makes the water box can remain throughout at reasonable water level, does benefit to and guarantees its stability in the face of different environment and operating condition. After the air-conditioning range hood is applied to the water pump flow control system, the condensed water flowing through the surface of the condenser can be effectively evaporated by controlling the starting and stopping frequency of the water pump.

Drawings

Fig. 1 is a schematic structural view of a water box assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the water box according to the embodiment of the present invention;

fig. 3 is a schematic diagram of a flow control system of a water pump according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an air-conditioning range hood according to an embodiment of the present invention;

fig. 5 is a schematic view of an operating principle of an air conditioning assembly according to an embodiment of the present invention;

fig. 6 is a control logic diagram of the air-conditioning range hood according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to fig. 3, the water pump flow control system of the present embodiment includes a water box 11, a water pump 12 is installed in the water box 11, an outlet of the water pump 12 is externally connected with a water outlet pipe 14, the water box 11 is provided with a water inlet pipe interface 111 and a water return pipe interface 112, the water inlet pipe interface 111 is provided with a water inlet pipe 13, and the water return pipe interface 112 is provided with a water return pipe 15. The water box 11 is internally provided with a water level sensor 16 for detecting a water level, the water level sensor 16 is disposed adjacent to the water pump 12, and the water level sensor 16 is used for detecting the water level of the water box.

The control system also comprises a controller 18 and a timing switch 17, wherein the signal output end of the water level sensor 16 is electrically connected with the signal input end of the controller 18 by signals, and the signal output end of the controller 18 is electrically connected with the signal input end of the timing switch 17 by signals. When the water pump works, the controller 18 receives a water level feedback signal sent by the water level sensor 16, correspondingly controls the timing switch 17 according to the water level feedback signal, and can further adjust the flow of the water pump 12 through the on-off frequency of the timing switch 17. For example, the frequency of water supply of the water pump 12 can be controlled, including the control of the start-stop time, so as to adjust the flow rate of the water pump 12, and the water box 11 can be always kept at a reasonable water level. The water pump 12 has a long start-up time and a short stop time, so that the flow rate of the water pump is increased and the water distribution amount in unit time is increased, otherwise, the flow rate of the water pump is decreased and the water distribution amount in unit time is decreased.

As shown in fig. 4 and 5, the air-conditioning range hood of the present embodiment includes a casing 21, and a range hood 22 and an air-conditioning indoor unit (not shown) are installed in the casing 21. The air conditioner internal unit is provided with an evaporator 33 and an air outlet fan 29, and an air conditioner air outlet 210 communicated with an air outlet of the air outlet fan 29 is arranged on the casing 21. The casing 21 is also provided with a compressor 31 and a condenser 32, the compressor 31, the condenser 32 and the evaporator 33 are communicated with each other through a refrigerant pipeline 34, a throttling device 35 is arranged on the refrigerant pipeline 34 between the condenser 32 and the evaporator 33, the working principle of the air conditioning assembly is the same as that of the existing air conditioner, and the description is omitted.

The smoke exhaust channel 23 is formed inside the housing 21 and located downstream of the range hood fan 22, the smoke exhaust channel 23 of the embodiment includes a first smoke exhaust channel 231 and a second smoke exhaust channel 232, an air valve 25 for switching one of the first smoke exhaust channel 231 and the second smoke exhaust channel 232 to communicate with the outlet of the range hood fan 22 is installed at the outlet of the range hood fan 22, a condenser 32 is installed in the first smoke exhaust channel 231, and a smoke purifying device 26 is installed in the first smoke exhaust channel 231, and the smoke purifying device 26 is installed upstream of the condenser 32 along the flow direction of the smoke in order to prevent the smoke from contaminating the condenser 32. In addition, in the present embodiment, the condenser 32 is disposed obliquely with respect to the vertical plane.

As shown in fig. 4, the first smoke exhaust channel 231 is in an open state, the second smoke exhaust channel 232 is in a closed state, and the oil smoke is exhausted from the first smoke exhaust channel 231, when the air valve 25 is switched, the first smoke exhaust channel 231 is closed, the second smoke exhaust channel 232 is opened, and the oil smoke is exhausted from the second smoke exhaust channel 232. In this embodiment, the first smoke exhaust channel 231 has a first smoke exhaust port 233, the second smoke exhaust channel 232 has a second smoke exhaust port 234, and the first smoke exhaust port 233 and the second smoke exhaust port 234 are independent of each other.

The bottom of the indoor unit of the air conditioner is provided with a water receiving tray 27 used for receiving condensed water condensed on the surface of an evaporator 33, the outlet of the water receiving tray 27 is communicated with a water inlet pipe 13 of a water pump flow control system, a water receiving box 28 is arranged below a condenser 32, the condensed water which is not evaporated by the condenser 32 flows into the water receiving box 28 along the surface of the condenser, and the outlet of the water receiving box 28 is communicated with a water return pipe 15 of the water pump flow control system. The top of the condenser 32 is provided with a liquid distributor 24, the water outlet pipe 14 of the water pump flow control system is communicated with the water inlet of the liquid distributor 24, the water outlet of the liquid distributor 24 faces the condenser 32, and condensed water flowing out of the water outlet of the liquid distributor 24 can flow downwards along the surface of the condenser 32.

In this embodiment, a temperature sensor (not shown) is installed on the collecting pipe of the condenser 32 or at the air inlet of the air conditioner internal unit, the temperature sensor is used to detect the external environment temperature of the casing 21, and the controller 18 can read the temperature feedback signal output by the temperature sensor and can correspondingly control the working states of the compressor 31, the fume exhaust fan 22, the air conditioner internal unit and the water pump 12 according to the temperature feedback signal.

Only the range hood is opened, the first smoke exhaust channel 231 is closed through the air valve 25, the second smoke exhaust channel 232 is opened, and the oil smoke is exhausted outwards through the second smoke exhaust channel 232.

When the air conditioner works in an air conditioning mode (a refrigeration mode), condensed water condensed on the evaporator 33 flows into the water receiving tray 27, the condensed water in the water receiving tray 27 flows into the water box 11 through the water inlet pipe 13, the condensed water in the water box 11 is conveyed to the liquid distributor 24 through the water outlet pipe 14 under the action of the water pump 12, and further flows to the surface of the condenser 32 from the liquid distributor 24, on one hand, the temperature of the condenser 32 is reduced, the heat exchange effect is further improved, the effective utilization of the condensed water is realized, on the other hand, the condensed water is heated and evaporated by the condenser 32 and then is discharged from the first smoke exhaust channel 231, the condensed water which is not evaporated flows into the water receiving box 28, and further flows back to the water box 11 through the water return pipe 15 for recycling. Meanwhile, the air outlet 210 blows out cold air to improve the cooking experience.

If discharge is less, then can not produce the comdenstion water backward flow, the comdenstion water of laying on the condenser 32 surface through liquid distributor 24 can be by whole evaporation, and when discharge increase, the velocity of water is very fast, because there is the water film on the condenser surface for a long time to exist, leads to the evaporation effect to descend, can't reach the effect of complete evaporation, and the position low temperature comdenstion water can be heated and rise, flows back to in the water box 11 through wet return 15, leads to the water level to constantly rise.

After the air-conditioning range hood is assisted by the water level sensor 16, by monitoring the water level in the water box 11, if the water level continuously rises, a feedback signal is transmitted to the controller 18, and then the timing switch 17 is controlled, so that the on-off frequency is accelerated, the on-off single-cycle time is shortened, and the water quantity in unit time is further increased. If the water level is kept low, the stable water passing frequency is kept. Thereby, it is ensured that the condensed water flowing over the surface of the condenser 32 can be evaporated efficiently. The specific control method comprises the following steps:

s1, starting the process, and starting the air conditioner;

s2, the temperature sensor monitors the environment temperature and feeds the monitored data back to the controller 18;

s3, if the monitored environment temperature is less than the set minimum starting temperature, prompting the user that the air-conditioning function can not be started and the operation is stopped; if the monitored environment temperature is greater than the set minimum starting temperature, entering S4;

s4, the water pump is started, the water pump 12 runs at a set start-stop frequency under the control of the timing switch 17, and condensed water in the water box 11 is conveyed to enter the liquid distributor 24 for water distribution;

s5, starting the compressor 31, the air conditioner internal machine and the oil smoke suction fan 22;

s6, the water level sensor 16 starts to collect data, the controller 18 judges whether the data collected by the water level sensor 16 reach the set water level, if the water level reaches the set warning water level value, the controller 18 sends a control signal to the timing switch 17 to keep the water-passing time unchanged, the water-passing frequency is switched, and the shutdown time of the water pump 12 is shortened; if the preset warning water level value is not reached, the operation is kept, and the step S7 is carried out;

s7, judging whether the user selects to shut down, if not, keeping the water-passing time unchanged, switching the water-passing frequency, and shortening the shutdown time of the water pump; if the user selects forced shutdown, go to step S8;

and S8, turning off the compressor 31, the air conditioner internal unit, the oil fume suction fan 22 and the water pump 12 to enable the range hood to be in a standby mode, and ending the process.

The control method is described in addition to the following:

for the air-conditioning range hood with the dual-channel structure in this embodiment, in step S5, the first smoke exhaust channel 231, i.e. the heat dissipation channel, is opened by switching the air valve 25, and the range hood fan 22 is turned on with a weak range and a small air volume. In step S4, the water pump 12 is turned on for 2S and turned off for 70S under the control of the timer switch 17. In step S6, the water level sensor 16 may collect data every 500ms, and when the alarm water level is reached, the on/off time of the water pump 12 may be adjusted to 2S/60S, 2S/50S, and the like.

Claims (13)

1. The utility model provides a water pump flow control system, includes water box (11) and installs water pump (12) in the water box, install inlet tube (13) on water box (11), the export of water pump (12) is external to have outlet pipe (14), its characterized in that: the water pump is characterized in that a water return pipe (15) is installed on the water box (11), a water level sensor (16) used for detecting the water level of the water box is installed inside the water box (11), the water pump further comprises a controller (18) and a timing switch (17), the controller (18) receives a water level feedback signal sent by the water level sensor (16), correspondingly controls the timing switch (17) according to the water level feedback signal, and can further adjust the flow of the water pump (12) through the on-off frequency of the timing switch (17).

2. The water pump flow control system of claim 1, wherein: the water level sensor (16) is disposed adjacent to the water pump (12).

3. The water pump flow control system of claim 1, wherein: the water box (11) is provided with a water inlet pipe interface (111) and a water return pipe interface (112), the water inlet pipe (13) is installed on the water inlet pipe interface (111), and the water return pipe (15) is installed on the water return pipe interface (112).

4. The utility model provides an air-conditioning range hood, includes casing (21), install in casing (21) oil absorption cigarette fan (22) and air conditioner internal unit, air conditioner internal unit has evaporimeter (33), installs compressor (31) and condenser (32) in casing (21), compressor (31), condenser (32) and evaporimeter (33) are linked together its characterized in that through refrigerant pipeline (34): the range hood is applied with the water pump flow control system as claimed in any one of claims 1 to 3, condensed water accumulated in an indoor unit of an air conditioner flows into the water box (11) through the water inlet pipe (13), the condenser (32) is provided with the liquid distributor (24) capable of distributing water to the surface of the condenser, the water outlet pipe (14) of the water pump flow control system is communicated with the water inlet of the liquid distributor (24), and the condensed water which is not evaporated by the condenser (32) can flow back to the water box (11) through the water return pipe (15).

5. An air-conditioning type range hood according to claim 4, wherein: the condenser (32) is arranged in the smoke exhausting channel (23) at the downstream of the smoke exhausting fan (22).

6. An air-conditioning type range hood according to claim 5, wherein: the condenser (32) is obliquely arranged relative to the vertical plane, and the liquid distributor (24) is arranged at the top of the condenser (32).

7. An air-conditioning type range hood according to claim 5, wherein: the smoke exhausting channel (23) comprises a first smoke exhausting channel (231) and a second smoke exhausting channel (232), an air valve (25) used for switching one of the first smoke exhausting channel (231) and the second smoke exhausting channel (232) to be communicated with the outlet of the smoke exhausting fan (22) is installed at the outlet of the smoke exhausting fan (22), and the condenser (32) is arranged in the first smoke exhausting channel (231).

8. An air-conditioning type range hood according to claim 7, wherein: and a lampblack purification device (26) is arranged in the first smoke exhaust channel (231), and the lampblack purification device (26) is arranged at the upstream of the condenser (32) along the flowing direction of lampblack.

9. An air-conditioning type range hood according to claim 7, wherein: the first smoke exhaust channel (231) is provided with a first smoke exhaust port (233), the second smoke exhaust channel (232) is provided with a second smoke exhaust port (234), and the first smoke exhaust port (233) and the second smoke exhaust port (234) are independent of each other.

10. An air-conditioning type range hood according to claim 4, wherein: a water receiving tray (27) used for receiving condensed water condensed on the surface of an evaporator (33) is arranged at the bottom of the indoor unit of the air conditioner, the outlet of the water receiving tray (27) is communicated with the water inlet pipe (13), a water receiving box (28) used for receiving the condensed water which is not evaporated by the condenser is arranged below the condenser (32), and the outlet of the water receiving box (28) is communicated with the water return pipe (15).

11. An air-conditioning type range hood according to claim 4, wherein: the air conditioner indoor unit is also provided with an air outlet fan (29), and an air conditioner air outlet (210) communicated with an air outlet of the air outlet fan (29) is arranged on the casing (21).

12. An air-conditioning type range hood according to any one of claims 4 to 11, wherein: the air conditioner also comprises a temperature sensor for detecting the external environment temperature of the shell, and the controller (18) can read a temperature feedback signal output by the temperature sensor and correspondingly control the working states of the compressor (31), the oil fume suction fan (22), the air conditioner internal unit and the water pump (12) according to the temperature feedback signal.

13. An air-conditioning type range hood as set forth in claim 12, wherein: the temperature sensor is arranged on a collecting pipe of the condenser (32) or at the position of an air inlet of an air conditioner internal unit.

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