CN110864338B

CN110864338B - Refrigeration range hood

Info

Publication number: CN110864338B
Application number: CN201910966080.9A
Authority: CN
Inventors: 邹志锋
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2021-05-18
Anticipated expiration: 2039-10-12
Also published as: CN110864338A

Abstract

The utility model provides a refrigeration lampblack absorber, smoke guide plate is installed to collection petticoat pipe below, smoke guide plate inside is hollow structure, smoke guide plate internally mounted has the adsorption module that can realize desorption and absorption, adsorbent inflow port on the smoke guide plate is linked together through adsorption module and adsorbent outflow port, adsorbent outflow port loops through condenser, stock solution container, evaporimeter and adsorbent inflow port and is linked together, the mechanism of blowing is close to the evaporimeter and the mouth of blowing is outside towards the range hood. This refrigeration range hood locates the adsorption module in the smoke deflector, can make full use of oil smoke waste heat refrigeration, and adsorption module specific heat is big, and the smoke deflector can remain at a low medium temperature state for a long time, can better exert the condensation separation effect to the oil smoke. In addition, the heating time of each adsorption module can be controlled, the adsorption modules can be better circulated between adsorption and desorption, the smoke guide plate is uniformly heated, and the phenomenon that the condensation effect is lost due to local rapid temperature rise of the smoke guide plate caused by large single-side oil smoke is avoided.

Description

Refrigeration range hood

Technical Field

The invention relates to a range hood, in particular to a refrigeration range hood.

Background

Along with the improvement of living standard of materials, people have higher and higher requirements on the environment of a kitchen, and a large amount of heat can be generated in the kitchen when the kitchen range is used in the cooking process, so that the temperature of the whole kitchen space is increased, and the comfort of the environment is reduced. At present, most families adopt temporary fans to solve the problem, but the method is inconvenient and occupies the area of a kitchen. To this problem, generally add the refrigeration module among the prior art on smoke ventilator, realize carrying cold wind to the kitchen, improve the purpose of environmental comfort. The refrigeration module of the existing product adopts either semiconductor refrigeration or a refrigeration cycle system consisting of a compressor, an evaporator and a condenser.

For example, the kitchen ventilator with air curtain disclosed in the Chinese utility model with patent number 201320472283.0 (No. CN 203421761U), the kitchen ventilator is provided with a semiconductor refrigerating system in the shell, the refrigerating system comprises a semiconductor refrigerating sheet, the hot end of the semiconductor refrigerating sheet is provided with a heat radiating plate, a hot end air channel is arranged between the heat radiating plate and the smoke exhaust air channel, a fan for blowing heat to the smoke exhaust air channel is arranged in the hot end air channel, during refrigeration, the heat generated by the hot end can be radiated into the smoke exhaust air channel and exhausted with the smoke, the cold end of the semiconductor refrigerating sheet is provided with a cold accumulator, the cold accumulator is connected with an evaporator in the cold end air channel through a heat transfer pipe, wherein, the semiconductor refrigerating sheet, the cold accumulator, the heat radiating plate, the hot end air channel and the like are all arranged at the inner side of the shell of the smoke exhaust air channel part at the, a fan used for supplying air is also arranged in the cold-end air channel, and an air inlet and an air outlet are formed in the shell corresponding to the cold-end air channel. Although the air curtain range hood can effectively convey cold air into a kitchen, the semiconductor refrigeration has the problems of low power, high power consumption, high power supply requirement, potential electrical safety hazard and the like;

as disclosed in chinese invention patent No. CN201610471222.0 (application publication No. CN105972659A), "a range hood with condensing and purifying functions", includes a compressor, a radiator, and a capillary tube, the oil filter screen is a hollow structure, a pipeline is disposed in the oil filter screen, and the pipeline is connected with the compressor, the radiator, and the capillary tube in sequence to form a refrigeration cycle system. The compressor refrigeration has the problems of high noise, high cost, more moving parts, poor reliability and the like.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a refrigeration range hood which has a novel structure and can realize the reutilization of oil smoke heat, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a refrigeration range hood that can ensure the smoke guide plate to be heated uniformly and will not lose the condensation effect due to large oil smoke on one side, in view of the current situation of the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: this refrigeration range hood, include the fan dustcoat and locate the collection petticoat pipe of fan dustcoat below, smoke guide plate, its characterized in that are installed to the oil smoke sunction inlet below of collection petticoat pipe: the smoke guide plate is internally provided with an adsorption module capable of realizing desorption and adsorption, the smoke guide plate is provided with an adsorbent inflow port and an adsorbent outflow port, the adsorbent inflow port is communicated with the adsorbent outflow port through the adsorption module, the smoke guide plate further comprises an evaporator, a condenser, a liquid storage container and a blowing mechanism, the adsorbent outflow port is communicated with the adsorbent inflow port sequentially through the condenser, the liquid storage container, the evaporator and the adsorbent outflow port, the blowing mechanism is close to the evaporator, and the blowing port of the blowing mechanism faces the outside of the range hood.

Preferably, a first check valve is installed on a pipe between the adsorbent inflow port and the evaporator, and a second check valve is installed on a pipe between the adsorbent outflow port and the condenser.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the adsorption module of the refrigeration range hood comprises at least two independent adsorption units, the adsorption units can be driven by a driving mechanism to rotate inside the smoke guide plate, each adsorption unit comprises an adsorption cavity and an adsorbent arranged inside the adsorption cavity, the inlet of the adsorption cavity is communicated with the adsorbent inflow port, and the outlet of the adsorption cavity is communicated with the adsorbent outflow port.

The driving mechanism can have various structures, and preferably comprises a motor and a rotating cavity which is driven by the motor to rotate, the upper part of the rotating cavity is communicated with the adsorbent inflow port, and through holes which correspond to the inlets of the adsorbing cavities one by one are formed in the peripheral wall of the rotating cavity.

Further preferably, the number of the adsorption units is 4-8, and the adsorption units are the same in size and are uniformly distributed around the rotary cavity.

In order to enable the adsorbent to smoothly flow along the correct flow direction, the inlet of the adsorption cavity is provided with a third one-way valve, and the outlet of the adsorption cavity is provided with a fourth one-way valve.

In order to reasonably control the heating time of each adsorption module, a temperature sensor is arranged on the inner wall of the smoke guide plate.

In order to enable the heat generated by the condenser to be taken away through the oil smoke in the range hood, the condenser is arranged in a smoke exhaust channel in the fan outer cover.

The evaporator and the blowing mechanism can be arranged at a plurality of different positions, preferably, a housing is arranged on the front side part of the fan housing, the housing is provided with an air inlet and an air outlet, the evaporator and the blowing mechanism are arranged in an air channel between the air inlet and the air outlet, the air outlet is positioned on the front side of the housing, and a blowing port of the blowing mechanism faces the air outlet.

Further preferably, the housing is mounted at the top of the front side of the fume collecting hood, and the air inlet is formed in the top of the housing.

Compared with the prior art, the invention has the advantages that: in this refrigeration range hood's adsorption module located the smoke deflector, can make full use of oil smoke waste heat refrigeration, improve kitchen user experience, and adsorption module specific heat is big, and the smoke deflector can keep in a low medium temperature state for a longer time, and performance that can be better is to the condensation separation effect of oil smoke, and simultaneously, the absorption oil smoke heat realizes oil smoke heat and recycles as the energy of adsorbent desorption. In addition, when the user used unilateral cooking utensils or when controlling the side oil smoke size nonconformity, can control every adsorption module's the time of being heated, guarantee that adsorption module can circulate better between absorption and desorption, guarantee simultaneously that the smoke deflector is heated evenly, can not lead to the local rapid heating up of smoke deflector and lose the condensation effect because of the unilateral oil smoke is big.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the present invention;

FIG. 3 is a schematic structural view of the blower housing and casing of the embodiment of the present invention with the blower housing and casing removed;

FIG. 4 is a schematic diagram of the internal structure of the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an adsorption module according to an embodiment of the present invention;

FIG. 6 is an exploded view of the adsorption module shown in FIG. 5;

fig. 7 is a sectional view of the smoke guide plate and the internal adsorption module thereof according to the embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the refrigeration range hood of the present embodiment is a top-suction range hood, and includes a fan housing 1 and a smoke collecting hood 2 disposed below the fan housing, a fan system 100 is installed inside the fan housing 1, and a smoke guide plate 3 is installed below a smoke suction inlet of the smoke collecting hood 2. The structure is the same as that of the existing ceiling-mounted range hood.

The inside hollow structure that is of smoke guide plate 3 of this embodiment, smoke guide plate 3 internally mounted have can realize desorption and absorbent adsorption module 4, smoke guide plate 3 has adsorbent inflow port 31 and adsorbent outflow port 32, and adsorbent inflow port 31 is linked together through adsorption module 4 and adsorbent outflow port 32. An evaporator 5, a condenser 6, a liquid storage container 7 and a blowing mechanism 8 are installed outside the smoke guide plate 3, an adsorbent outflow port 32 is communicated with an adsorbent inflow port 31 through the condenser 6, the liquid storage container 7, the evaporator 5 in sequence, a first check valve 111 is installed on a pipeline between the adsorbent inflow port 31 and the evaporator 5, and a second check valve 112 is installed on a pipeline between the adsorbent outflow port 32 and the condenser 6.

As shown in fig. 5 to 7, in the present embodiment, the adsorption module 4 includes 6 adsorption units 41 with the same size and working independently, and the adsorption units 41 can rotate inside the smoke guide plate 3 under the driving of the driving mechanism 9. Each adsorption unit 41 comprises an adsorption cavity 411 and an adsorbent arranged in the adsorption cavity, a third one-way valve (not shown) is arranged at an inlet 412 of the adsorption cavity 411, and a fourth one-way valve (not shown) is arranged at an outlet 413 of the adsorption cavity 411. The inlet 412 of the adsorption chamber 411 communicates with the adsorbent inlet port 31, and the outlet 413 of the adsorption chamber 411 communicates with the adsorbent outlet port 32.

The driving mechanism 9 includes a motor 91 and a rotating chamber 92 rotated by the motor, and the respective adsorption units 41 are uniformly distributed around the rotating chamber 92. The upper portion of the rotation chamber 92 communicates with the adsorbent inflow port 31, and the circumferential wall of the rotation chamber 92 is formed with through holes 921 corresponding to the inlets 412 of the adsorption chamber 412 one by one, so that the inlets 412 of the adsorption chamber 411 communicate with the adsorbent inflow port 31 through the through holes 921.

Install a plurality of temperature sensor 10 on the inner wall of smoke deflector 3, temperature sensor 10 is located the kitchen range about the kitchen range directly over the position, when the user uses unilateral kitchen range or when controlling the side oil smoke size nonconformity, can obtain the temperature size of smoke deflector relevant position through temperature sensor, and then control actuating mechanism by the controller and control the adsorption module and carry out corresponding rotation, with the time of being heated of each adsorption unit 41 of rational control, guarantee that adsorption module 41 can be better adsorb again and the desorption between circulate, guarantee simultaneously that smoke deflector is heated evenly, can not lead to smoke deflector 3 local rapid heating up and lose the condensation effect because of the unilateral oil smoke is big, and realize continuous desorption, adsorption process. The controller controls the driving mechanism to perform corresponding actions according to the output signal of the temperature sensor, and is a conventional technology, and will not be described herein.

In addition, the condenser 6 of this embodiment is arranged in the smoke exhaust channel 11 inside the fan housing 1, and when the range hood works, the heat of the condenser 6 can be taken away when the oil smoke is exhausted from the smoke exhaust channel, which is beneficial to improving the refrigeration effect of the adsorption module.

A cover 12 is installed at the front side of the fan housing 1, and is located at the top of the front side of the smoke collecting hood 2. An air inlet 121 is arranged at the top of the housing 12, and an air outlet 122 is arranged at the front side of the housing 12. Evaporator 5 and blower mechanism 8 locate in the wind channel between air intake 121 and air outlet 122, and blower mechanism 8 is close to the evaporator, and blower mechanism 8's the mouth of blowing is towards the air outlet 122 of housing 12, and like this, blower mechanism 8 can blow cold wind to the range hood outside from air outlet 122, for the kitchen cooling, promote to be used for experiencing.

The working principle of the refrigeration range hood is as follows:

adsorption module 4 absorbs the oil smoke heat, the adsorbent in adsorption module 4 is heated and breaks away from the adsorption plate, get into 3 casings on the smoke deflector through the fourth check valve after forming high temperature high pressure adsorbent gas, reentry condenser 6 turns into high pressure middle temperature liquid, then be low temperature low pressure liquid after the capillary throttle, get into liquid storage container 7, the liquid of liquid storage container 7 flows through evaporimeter 5 gradually, the vaporization is endothermic in evaporimeter 5, realize refrigeration, the air after the cooling blows to the user through the fan of blast mechanism 8, the adsorbent after the vaporization flows back to rotatory chamber 92, and then flow back to adsorption module 4 through the third check valve and accomplish the circulation.

Claims

1. The utility model provides a refrigeration range hood, includes fan dustcoat (1) and locates collection petticoat pipe (2) of fan dustcoat below, smoke guide plate (3), its characterized in that are installed to the oil smoke sunction inlet below of collection petticoat pipe (2): the smoke guide plate (3) is internally of a hollow structure, an adsorption module (4) capable of realizing desorption and adsorption is installed inside the smoke guide plate (3), the smoke guide plate (3) is provided with an adsorbent inflow port (31) and an adsorbent outflow port (32), the adsorbent inflow port (31) is communicated with the adsorbent outflow port (32) through the adsorption module (4), the smoke guide plate further comprises an evaporator (5), a condenser (6), a liquid storage container (7) and a blowing mechanism (8), the adsorbent outflow port (32) is communicated with the adsorbent inflow port (31) sequentially through the condenser (6), the liquid storage container (7), the evaporator (5) and the adsorbent inflow port (31), the blowing mechanism (8) is close to the evaporator (5), a blowing port (81) of the blowing mechanism (8) faces the outside of the range hood, the adsorption module (4) comprises at least two independent adsorption units (41), the adsorption unit (41) can rotate inside the smoke guide plate (3) under the drive of the drive mechanism (9), each adsorption unit (41) comprises an adsorption cavity (411) and an adsorbent arranged inside the adsorption cavity, an inlet (412) of the adsorption cavity (411) is communicated with an adsorbent inflow port (31), an outlet (413) of the adsorption cavity (411) is communicated with an adsorbent outflow port (32), the drive mechanism (9) comprises a motor (91) and a rotary cavity (92) driven by the motor to rotate, the upper portion of the rotary cavity (92) is communicated with the adsorbent inflow port (31), and through holes (921) corresponding to the inlets (412) of the adsorption cavity (411) in a one-to-one mode are formed in the peripheral wall of the rotary cavity (92).

2. The refrigeration range hood of claim 1, wherein: a first check valve (111) is installed on a pipeline between the adsorbent inflow port (31) and the evaporator (5), and a second check valve (112) is installed on a pipeline between the adsorbent outflow port (32) and the condenser (6).

3. The refrigeration range hood of claim 1, wherein: the number of the adsorption units (41) is 4-8, and the adsorption units (41) are the same in size and are uniformly distributed around the rotating cavity (92).

4. The refrigeration range hood of claim 1, wherein: and a third one-way valve is arranged at the inlet (412) of the adsorption cavity (412), and a fourth one-way valve is arranged at the outlet (413) of the adsorption cavity (411).

5. The refrigeration range hood of claim 1, wherein: and a temperature sensor (10) is arranged on the inner wall of the smoke guide plate (3).

6. The refrigeration range hood according to any one of claims 1 to 5, wherein: the condenser (6) is arranged in a smoke exhaust channel (11) inside the fan outer cover (1).

7. The refrigeration range hood according to any one of claims 1 to 5, wherein: a cover shell (12) is installed on the front side portion of the fan outer cover (1), the cover shell (12) is provided with an air inlet (121) and an air outlet (122), the evaporator (5) and the blowing mechanism (8) are arranged in an air duct between the air inlet (121) and the air outlet (122), the air outlet (122) is located on the front side of the cover shell (12), and a blowing opening (81) of the blowing mechanism (8) faces the air outlet (122).

8. The refrigeration range hood of claim 7, wherein: the hood casing (12) is installed on the top of the front side of the smoke collecting hood (2), and the air inlet (121) is formed in the top of the hood casing (12).