CN212566050U

CN212566050U - Laboratory is with purifier that takes a breath

Info

Publication number: CN212566050U
Application number: CN202020445907.XU
Authority: CN
Inventors: 刘保义
Original assignee: Shanghai Tawei Laboratory Equipment Co ltd
Current assignee: Shanghai Tawei Laboratory Equipment Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-19
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a laboratory is with purifier of taking a breath, first casing including upper end fixedly connected with upper cover, upper cover upper end fixedly connected with intake pipe, first casing inboard is equipped with fixed frame, and placed active carbon and HEPA filter screen in the fixed frame, first casing lateral wall fixedly connected with stop device, and first casing side division chisel have with stop device assorted through-hole, first casing lower extreme is connected with the receiving frame, receiving frame outside cover is equipped with the second casing, and the bottom is connected with anion converter in the second casing, stop device includes electric putter and limiting plate, and electric putter's power take off end and limiting plate fixed connection, limiting plate and through-hole sliding connection, the limiting plate is located the inboard up end of first casing and is connected with pressure sensor. The utility model discloses simple structure, convenient operation can be when the mesh of HEPA filter screen is blockked up, and the air pump stop work of in time controlling avoids damaging other inside relevant devices of device, and the security is higher.

Description

Laboratory is with purifier that takes a breath

Technical Field

The utility model relates to a purification technical field takes a breath especially relates to a laboratory is with purifier that takes a breath.

Background

The environmental conditions of the laboratory are one of the important factors influencing whether the experiment can be smoothly carried out, the air quality which is one of the environmental conditions influences the carrying out and the result of the experiment, particularly, the laboratory which requires low particulate matter purification degree in the industries of biology, semiconductors, optics, precision machinery, food, medicine and the like slightly influences the carrying out or measuring result of the experiment, and the experiment is seriously failed. Embryo laboratories not only have higher requirements for air freshness, but also have very strict requirements for sterility.

In order to meet the requirements, chinese patent No. CN208536204U discloses an air purification device, which comprises a housing, a cover plate, fastening bolts, an air outlet cover, a placement frame, a negative ion converter, a net frame, a HEPA filter screen, activated carbon, a first air pump, a first pipeline, an air inlet cover, a second pipeline, a second air pump, a third pipeline, and a fourth pipeline; the effects of fresh air ventilation and air purification are achieved.

But above-mentioned air purification device and other air purification device among the prior art have a common problem, even if personnel can't learn the inside HEPA filter screen service behavior of device, the HEPA filter screen is after long-time the use, is filled with the micronic dust impurity that filters down in its mesh, leads to the air current obstructed, can't continue air purification, leads to inside other device trouble even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ventilation purification device for a laboratory.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a laboratory is with purifier of taking a breath, includes the first casing of upper end fixedly connected with upper cover, upper cover upper end fixedly connected with intake pipe, first casing inboard is equipped with fixed frame, and has placed active carbon and HEPA filter screen in the fixed frame, first casing lateral wall fixedly connected with stop device, and first casing side division chisel have with stop device assorted through-hole, first casing lower extreme is connected with the receiving frame, receiving frame outside cover is equipped with the second casing, and the second casing internal bottom is connected with anion converter.

Preferably, stop device includes electric putter and limiting plate, electric putter fixed connection is in first casing outer wall, and electric putter's power take off end and limiting plate fixed connection, limiting plate and through-hole sliding connection, the limiting plate is located the inboard up end of first casing and is connected with pressure sensor.

Preferably, the second shell is made of transparent glass.

Preferably, the receiving frame is in threaded connection with the first shell, and the second shell is also in threaded connection with the receiving frame.

Preferably, the HEPA filter screen is provided with a plurality of, and a plurality of HEPA filter screens top-down stacks.

Preferably, a plurality of vent holes are formed in the side end of the receiving frame, and a vent cavity is reserved between the inner side wall of the second shell and the receiving frame.

Compared with the prior art, the utility model provides a laboratory is with purifier that takes a breath possesses following beneficial effect:

1. through the pressure sensor who sets up at fixed frame downside, when the mesh of HEPA filter screen was blockked up, the inspiratory air current of air pump received and blockked, produced thrust to the HEPA filter screen, and then the decurrent pressure of fixed frame of increase, when pressure sensor detected pressure and exceeded preset threshold value, can avoid damaging other inside relevant devices of device through controller control air pump stop work, the security is higher.

2. Through the setting including electric putter at fixed frame downside, limiting plate and pressure sensor's stop device, and the receiving frame at first casing lower extreme threaded connection, when the mesh of HEPA filter screen is blockked up, the inspiratory air current of air pump receives and blocks, produce thrust to the HEPA filter screen, and then the decurrent pressure of fixed frame of increase, when pressure sensor detects pressure and surpasss preset threshold value, then can pass through the outside pulling limiting plate of controller control electric putter, when the limiting plate no longer contacts with fixed frame lower extreme, fixed frame drops downwards to receiving in the frame, convenient to use person changes.

3. The side end of the receiving frame is provided with a plurality of vent holes, a vent cavity is reserved between the inner side wall of the second shell and the receiving frame, when meshes of the HEPA filter screen are blocked, airflow sucked by the air pump is blocked to generate thrust on the HEPA filter screen, and further the downward pressure of the fixing frame is increased; and the air pump can continue to pump the indoor air, and the air current can pass through the ventilation cavity and the ventilation hole in sequence and enter the negative ion converter.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation can be when the mesh of HEPA filter screen is blockked up, and the air pump stop work is controlled in time, avoids damaging other inside relevant devices of device, and the security is higher.

Drawings

Fig. 1 is a schematic view of an internal structure of a ventilation and purification device for a laboratory according to the present invention;

fig. 2 is a schematic structural view of a laboratory ventilation and purification device according to the present invention, in which a second housing is partially cut away;

fig. 3 is a schematic view of the overall structure of the appearance of the ventilation and purification device for the laboratory according to the present invention;

fig. 4 is the utility model provides a laboratory is with positive structure schematic diagram under purifier operating condition that takes a breath.

In the figure: 1-a first shell, 2-an upper cover, 3-an air inlet pipe, 4-a receiving frame, 5-a second shell, 6-a fixing frame, 7-activated carbon, 8-a HEPA filter screen, 9-an air pump, 10-a vent hole, 11-an anion converter, 12-a vent cavity, 13-an electric push rod, 14-a pressure sensor and 15-a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, a laboratory is with purifier that takes a breath, first casing 1 including upper end fixedly connected with

upper cover

2, 2 upper end fixedly connected with intake pipe 3 of upper cover, 1 inboard of first casing is equipped with fixed frame 6, and placed active carbon 7 and HEPA filter screen 8 in the fixed frame 6, HEPA filter screen 8 is provided with a plurality ofly, and a plurality of HEPA filter screen 8 top-down stack, the filter effect is better, 1 lateral wall fixedly connected with stop device of first casing, and 1 side of first casing open the chisel have with stop device assorted through-hole, 1 lower end threaded connection of first casing has receiving

frame

4, 4 outside threaded connection of receiving frame has

second casing

5, and 5 interior bottom ends of second casing are connected with negative ion converter 11.

The utility model discloses in, stop device includes electric putter 13 and limiting plate 15, and electric putter 13 fixed connection is in 1 outer wall of first casing, and electric putter 13's power take off end and limiting plate 15 fixed connection, limiting plate 15 and through-hole sliding connection, limiting plate 15 are located the 1 inboard up end of first casing and are connected with pressure sensor 14.

The working principle is as follows: an installer connects an air pump 9 with an air inlet pipe 3 on the device through a pipeline, an opening and closing valve is opened, the air pump 9 pumps indoor air through the pipeline, the air is discharged into the first shell 1 through the air inlet pipe 3, the air passes through an active carbon 7 and an HEPA filter screen 8 in a fixing frame 6, tiny particles and certain smell in the air can be filtered, the filtered air passes through a negative ion converter 11, the air is filled with negative ions, the air is discharged into a room through an air outlet at the bottom end of the second shell 5, and the effects of quickly removing dust, reducing dust and purifying the air are achieved indoors; when the meshes of the HEPA filter screen 8 are blocked, airflow sucked by the air pump 9 is blocked, thrust is generated on the HEPA filter screen 8, and further the downward pressure of the fixing frame 6 is increased, when the pressure sensor 14 detects that the pressure exceeds a preset threshold value, the electric push rod 13 is controlled by the controller to pull the limiting plate 15 outwards, and when the limiting plate 15 is no longer in contact with the lower end of the fixing frame 6, the fixing frame 6 falls downwards into the receiving frame 4, so that the replacement of a user is facilitated; in addition, when the pressure sensor 14 detects that the pressure exceeds the preset threshold, the controller controls the air pump 9 to stop working, so as to avoid damaging other related devices in the device.

Example 2

Referring to fig. 1-2, a laboratory is with purifier that takes a breath, this embodiment compares in embodiment 1, and the side of receiving frame 4 is cut and is had a plurality of air vents 10, leaves air cavity 12 between 5 inside walls of second casing and the receiving frame 4, and second casing 5 adopts transparent glass to make, and after HEPA filter screen 8 blockked up, under the promotion of wind-force, fixed frame 6 fell to receiving frame 4 in, and the user of being convenient for observes from the outside.

The working principle is as follows: when the meshes of the HEPA filter screen 8 are blocked, airflow sucked by the air pump 9 is blocked, thrust is generated on the HEPA filter screen 8, and further the downward pressure of the fixing frame 6 is increased, when the pressure sensor 14 detects that the pressure exceeds a preset threshold value, the electric push rod 13 is controlled by the controller to pull the limiting plate 15 outwards, and when the limiting plate 15 is no longer in contact with the lower end of the fixing frame 6, the fixing frame 6 falls downwards into the receiving frame 4, so that the replacement of a user is facilitated; and air pump 9 can continue to extract indoor air, and the air current can loop through in ventilative chamber 12 and air vent 10 gets into anion converter 11 for be full of the anion in the air, this air is discharged into indoorly through the gas outlet of second casing 5 bottom, plays quick dust removal, dust fall, air-purifying's effect to indoorly.

It should be further noted that the electrical control method used in this document is automatically controlled by a controller and powered by an external power source, and the control circuit of the controller can be implemented by simple programming by those skilled in the art, which belongs to the common knowledge in the art, and this application mainly serves to protect the mechanical device, so the control method and the circuit connection are not explained in detail in this application.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a laboratory is with purifier that takes a breath, includes first casing (1) of upper end fixedly connected with upper cover (2), upper cover (2) upper end fixedly connected with intake pipe (3), first casing (1) inboard is equipped with fixed frame (6), and has placed active carbon (7) and HEPA filter screen (8) in fixed frame (6), a serial communication port, first casing (1) lateral wall fixedly connected with stop device, and first casing (1) side division chisel have with stop device assorted through-hole, first casing (1) lower extreme is connected with receiving frame (4), receiving frame (4) outside cover is equipped with second casing (5), and the bottom end is connected with negative ion converter (11) in second casing (5).

2. The laboratory ventilation purification device according to claim 1, wherein the limiting device comprises an electric push rod (13) and a limiting plate (15), the electric push rod (13) is fixedly connected to the outer wall of the first housing (1), the power output end of the electric push rod (13) is fixedly connected with the limiting plate (15), the limiting plate (15) is slidably connected with the through hole, and the upper end face of the limiting plate (15) located on the inner side of the first housing (1) is connected with a pressure sensor (14).

3. Laboratory ventilation purification device according to claim 2, characterized in that the second housing (5) is made of transparent glass.

4. Laboratory ventilation cleaning device according to claim 3, characterized in that the receiving frame (4) is screwed to the first housing (1), and the second housing (5) is also screwed to the receiving frame (4).

5. Ventilation purification device for laboratories according to claim 4, characterized in that a plurality of HEPA filters (8) are provided, and a plurality of HEPA filters (8) are stacked from top to bottom.

6. Laboratory ventilation purification device according to any of claims 1 to 5, wherein a plurality of ventilation holes (10) are cut at the side end of the receiving frame (4), and a ventilation cavity (12) is left between the inner side wall of the second housing (5) and the receiving frame (4).