CN208405424U - Disinfection cabinet - Google Patents

Abstract

The utility model relates to arrive a kind of disinfection cabinet, shell and setting including disinfection cabinet are in the intracorporal liner of the shell；It is characterized by also including for the nozzle to the liner internal spraying；The nozzle includes the inside and outside first chamber and second chamber being nested with, and the first chamber is equipped with the through-hole for being connected to the second chamber, and the wall of the second chamber is equipped at least two spray orifices to the liner internal spraying；Water tank is equipped between the liner and the shell；The water tank connects the second chamber of nozzle by water pipe；The water pipe is equipped with the first solenoid valve；The first chamber of the nozzle connects air pump by tracheae；Heating device, the humidity sensor for detecting the temperature sensor of temperature in the liner and for detecting humidity in the liner are additionally provided in the liner；First solenoid valve, air pump, heating device, the temperature sensor connect the control circuit of disinfection cabinet with the equal electric signal of the humidity sensor.

Description

Disinfection cabinet

Technical field

The utility model relates to arrive disinfection cabinet.

Background technique

Disinfection cabinet is widely applied in daily life table-ware disinfection, medical apparatus sterilizing and other fields.Common disappears Malicious method has ozone disinfection, ultraviolet sterilization and steam sterilization.

Wherein moise-heat sterilization is a kind of physical sterilization, is that the steam generated using steam generator disappears to article Poison.Since the penetrability of pure steam is strong, to be denaturalized solidification under wet heat condition, enzyme system is easy for protein, plasm colloid It destroys, steam, which enters, condenses into water into the cell, can release potential heat and improve temperature, more enhance sterilizing power.But it is conventional Steam sterilization in, for vapor (steam) temperature usually at 50 DEG C or so, disinfecting time is long.

CN204582017U discloses " a kind of normal pneumatic high-temperature steam sterilization cabinet ", and one kind disclosed by the utility model is general It ventilates super pressure-high temperature steam sterilization cabinet, including cabinet body is respectively arranged with liner and steam generation component, the liner in the cabinet body Inner cavity in be provided with heater element, on the liner be provided with air inlet at the heater element opposite position, it is described The gas outlet of steam generation component is connected with the air inlet of the liner by steam pipeline, is additionally provided on the cabinet body Blower, the air inlet of the blower are connected with the inner cavity of the liner, and the air outlet of the blower is communicated with atmosphere.This is practical It is novel to generate 120 DEG C of steam, article in disinfection cabinet is heated, heating effect is good.

Steam generator employed in the utility model, steam formation efficiency is low, and energy consumption is high, and occupied space is big, needs Change the original space structure of disinfection cabinet.

Summary of the invention

Technical problem to be solved in the utility model is to provide that a kind of low energy consumption and sterilizes for the status of the prior art The good disinfection cabinet of effect.

Technical solution adopted by the utility model to solve the above technical problems is as follows: the disinfection cabinet, the shell including disinfection cabinet Body and setting are in the intracorporal liner of the shell；

It is characterized by:

It further include for the nozzle to the liner internal spraying；The nozzle includes the inside and outside first chamber and second being nested with Chamber, the first chamber are equipped with the through-hole for being connected to the second chamber, and the wall of the second chamber is equipped with for institute State at least two spray orifices of liner internal spraying；

Water tank is equipped between the liner and the shell；

The water tank connects the second chamber of nozzle by water pipe；The water pipe is equipped with the first solenoid valve；

The first chamber of the nozzle connects air pump by tracheae；

Heating device is additionally provided in the liner, for detecting in the liner temperature sensor of temperature and for detecting The humidity sensor of humidity in the liner；

First solenoid valve, air pump, heating device, the temperature sensor and the equal electric signal of the humidity sensor connect Connect the control circuit of disinfection cabinet.

Preferably, the first chamber is long tubular structure, and the cross-sectional area of first chamber reduces along airflow direction, each institute It states through-hole to be arranged in the downstream end face of second chamber, the arc-shaped structure in the end face；It is further by gradually smaller cross section Accelerate air-flow, so that the crushing effect to air-flow is more preferable, foam is richer.

Preferably, the downstream end face of second chamber is hemispherical, the folder between the axis of spray orifice and the axis of second chamber Angle≤60 °.Hemispheric morphology can allow air, and shape uniformly sprays in a ring, is sufficiently mixed with water, and compressed air flow velocity and water Flow velocity is overlapped mutually, and forms secondary acceleration, with the ejection of higher flow velocity after mixing in gas-liquid mixed chamber, is reached and is more preferably atomized Effect.

Preferably, the water hole for connecting the water pipe, each spray orifice pair can be equipped on the side wall of the second chamber It should be arranged in the downstream end face of the second chamber in each through-hole.

Rear increase suddenly is gradually reduced along water (flow) direction in the cross-sectional area of the second chamber.

In above-mentioned each scheme, the aperture of the through-hole is preferably 1~2mm, and the aperture of the spray orifice is preferably 2~5mm.It should Structure can obtain the smaller droplet of particle.

It is preferred that the nozzle has multiple, it is connected in parallel with each other；The quantity of nozzle can be according to the specification and disinfection of disinfection cabinet It is required that setting；

Second solenoid valve, the control of the second solenoid valve electric signal connection disinfection cabinet can also be equipped on the tracheae Circuit.

For the cleaning for guaranteeing compressed air, strainer for filtering air can be equipped on the air inlet of the air pump.

Further, be guarantee water flow wholesomeness, can also in the water tank be equipped with for the water in water tank into The ultraviolet lamp of row disinfection.

The sterilization method of above-mentioned disinfection cabinet, it is characterised in that include the following steps:

When needing to sterilize, control circuit starts first solenoid valve, air pump and heating device work, and air pump is by air pressure It is sent into the first chamber after being reduced to 0.2~0.5MPa, sprays into the second chamber from through-hole after first chamber accelerates；

Water in the water tank enters the second chamber of nozzle via the first solenoid valve, controls the water sprayed in the nozzle Volume flow ratio with compressed air is 1:1.5~3；

Water mixes in second chamber with compressed air, sprays via the spray orifice, enters the liner with mist It is interior, it is heated to form 60~90 DEG C of water mist；

By the interior intracavitary temperature it is constant 60~90 DEG C, moisture constant RH90~RH100 for a period of time, complete to disappear Malicious task.

It is preferred that the interior intracavitary temperature is constant 25~35 minutes between 62~65 DEG C.

Alternatively, the interior intracavitary temperature is constant 10~30 seconds between 75~90 DEG C.

Compared with prior art, disinfection cabinet provided by the utility model, it is intracavitary into liner by specific nozzle Water spray is sterilized using wet process, and water mist is heated into 60~90 DEG C of steam, and heating speed is fast, energy consumption is low, and steam or mistake Hot steam is a kind of damp and hot disinfection, and Disinfection Effect is good.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram (shell is omitted) of the utility model embodiment assembling structure；

Fig. 2 stereoscopic schematic diagram of components for liner in the utility model embodiment and thereon；

Fig. 3 is the stereoscopic schematic diagram of nozzle in the utility model embodiment；

Fig. 4 is the longitudinal sectional view of nozzle in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Embodiment 1

As shown in Figures 1 to 4, which includes:

Shell is the shell of disinfection cabinet；

Liner 2 is arranged in shell, and the inner cavity of liner 2 is disinfection place；It is interior intracavitary equipped with heating device 21, temperature biography Sensor 22 and humidity sensor 23.

Exhaust pipe, entrance are connected to the inner cavity of liner, the environment outside outlet disinfection cabinet, for discharging disinfection cabinet Interior moisture, exhaust pipe is interior to be equipped with pumping blower.

Water tank 5 is arranged between shell and liner 2, interior to be equipped with for disappearing to the water in water tank for storing water The ultraviolet lamp (not shown) of poison.

Nozzle 3, has multiple, six is shown in figure, the quantity of nozzle can be wanted according to the specification and disinfection of disinfection cabinet Setting is asked, these settings parallel with one another of nozzle 3 include:

The inside and outside first chamber 31 and second chamber 32 being nested with, first chamber 31 are long tubular structure, first chamber 31 Cross-sectional area reduces along airflow direction；The cross section of first chamber 31 is divided into three sections in the present embodiment；The upstream end of first chamber Face is equipped with stomata 37, and the downstream end face of first chamber is equipped with the through-hole 33 of multiple jets, also, the downstream of first chamber The arc-shaped structure in face.The aperture of each through-hole 33 is 1.5mm in the present embodiment.

The side wall of second chamber 32 is equipped with the water hole 36 of connection water pipe 51, corresponds to each through-hole 33 in second chamber 32 Downstream end face be equipped with multiple spray orifices 34；The aperture of each spray orifice 34 is 4mm in the present embodiment.

Rear increase suddenly is gradually reduced along water (flow) direction in the cross-sectional area of second chamber 32.Second chamber 32 in the present embodiment Cross-sectional area be also classified into three sections, the first up big and down small cone section, the second up-small and down-big cone section and connection are therebetween Intermediate cylinder section, second cone section formed gas-liquid mixed room 36.

Water tank 5 connects the water hole 36 of each nozzle 3 by water pipe 51；Water pipe 51 is equipped with the first solenoid valve 52.

Air pump 4 connects the stomata 37 of each nozzle 3 by tracheae 41, and tracheae 41 is equipped with second solenoid valve 42；Air pump 4 Strainer (not shown) for filtering air is equipped at gas access.

First solenoid valve 52, second solenoid valve 42, air pump 4, heating device 21, temperature sensor 22 and humidity sensor 23 The control circuit of equal electric signal connection disinfection cabinet.

The sterilization method of the disinfection cabinet is as follows:

When needing to sterilize, control circuit starts first solenoid valve 52, air pump 4 and heating device 21 and works, air pump 4 It is sent into the first chamber 31 after compressing air to 0.2~0.5MPa, sprays into institute from through-hole 33 after the acceleration of first chamber 31 State second chamber 32；

Water in the water tank 5 enters the second chamber 32 of nozzle via the first solenoid valve 52, controls spray in the nozzle The volume flow ratio of water and compressed air out is 1:2.

The structure of first chamber and second chamber so that into water flow therein is gentle flow through thus place after, flow velocity increase, To accelerate to spray, the two forms minute bubbles after meeting；Minute bubbles are thoroughly mixed to form greatly in the mixing chamber 36 to become larger suddenly Bubble is finally sprayed from bubble nozzle；In jet expansion, that is, spray orifice, extruding and shear action due to bubble to liquid make Liquid is sprayed in the form of brin or liquidus comprising a large amount of micro-bubbles, into liner；Leaving the extremely short distance of spout It is interior, due to the acute variation of bubble inside and outside differential pressure, and promote bubble sharply to expand until rupturing, while will be wrapped in surrounding Liquid film is further crushed, and forms subtleer particle swarm, that is, water mist；Water mist is sprayed via the spray orifice 34, with mist It into the liner, and diffuses in disinfection cabinet, is heated to form 62~65 DEG C of water mist.

By interior intracavitary temperature it is constant in 62~65 DEG C, moisture constant between RH90~RH100 after 25~35 minutes, it is complete At disinfection task.

After the completion of disinfection, control circuit closes air pump 33, heating module, ultraviolet light irradiation module and two solenoid valves, opens Dynamic blower, interior intracavitary moisture are extracted out by blower, are discharged into outside disinfection cabinet.

When temperature sensor detects that temperature≤50 DEG C of inner cavity, humidity sensor detect humidity≤RH20, control Circuit heating-stopping apparatus 6 and air exhauster 9.

Embodiment 2

When disinfection, water mixes in second chamber with compressed air, sprays via the spray orifice 34, is entered with mist In liner 2, it is heated to form 75~90 DEG C of water mist；

By interior intracavitary temperature it is constant in 75~90 DEG C, moisture constant between RH90~RH100 after 10~30 seconds, complete Disinfection task.

Remaining content is same as Example 1.

Claims (7)

1. a kind of disinfection cabinet, shell and setting including disinfection cabinet are in the intracorporal liner of the shell (2)；

It is characterized by:

It further include for the nozzle (3) to the liner internal spraying；The nozzle (3) includes the inside and outside first chamber (31) being nested with With second chamber (32), the first chamber (31) is equipped with the through-hole (33) for being connected to the second chamber (32), and described second The wall of chamber (32) is equipped at least two spray orifices (34) to the liner (2) internal spraying；

Water tank (5) are equipped between the liner (2) and the shell；

The second chamber (32) that the water tank (5) passes through water pipe (51) connection nozzle (3)；The water pipe (51) is equipped with the first electricity Magnet valve (52)；

The first chamber (31) of the nozzle (3) passes through tracheae (41) connection air pump (4)；

Be additionally provided in the liner (2) heating device (21), the temperature sensor (22) for detecting temperature in the liner and For detecting the humidity sensor (23) of the liner (2) interior humidity；

First solenoid valve (52), air pump (4), heating device (21), the temperature sensor (22) and the humidity sensor The control circuit of device (23) electric signal connection disinfection cabinet.

2. disinfection cabinet according to claim 1, it is characterised in that the first chamber (31) is long tubular structure, the first chamber The cross-sectional area of room (31) reduces along airflow direction, and each through-hole (33) is arranged in the downstream end face of second chamber (32), The arc-shaped structure in the end face；

The side wall of the second chamber (32) is equipped with the water hole (36) for connecting the water pipe (51), and each spray orifice (34) is corresponding It is arranged in the downstream end face of the second chamber (32) in each through-hole (33).

3. disinfection cabinet according to claim 2, it is characterised in that the cross-sectional area of the second chamber (32) is along water flow side To increase suddenly after being gradually reduced.

4. disinfection cabinet according to claim 3, it is characterised in that the aperture of through-hole (33) is 1~2mm, the spray orifice (34) Aperture be 2~5mm.

5. according to claim 1 to disinfection cabinet described in 4 any claims, it is characterised in that the nozzle (3) has multiple, phase Mutually it is connected in parallel；

The tracheae (41) is equipped with second solenoid valve (42), the control of second solenoid valve (42) the electric signal connection disinfection cabinet Circuit.

6. disinfection cabinet according to claim 5, it is characterised in that the downstream end face of the second chamber is hemispherical, each institute It states spray orifice (34) to be evenly arranged in the downstream end face of second chamber, and the axis of the axis of each spray orifice (34) and second chamber Between angle≤60 °.

7. disinfection cabinet according to claim 4, it is characterised in that be equipped in the water tank (5) for the water in water tank into The ultraviolet lamp of row disinfection.