CN213557077U

CN213557077U - FFU test chamber

Info

Publication number: CN213557077U
Application number: CN202022103025.8U
Authority: CN
Inventors: 孙民; 王树立
Original assignee: Suzhou Huada Instrument & Equipment Co ltd
Current assignee: Suzhou Huada Instrument & Equipment Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a FFU test chamber, including the seal box, be provided with the fixing base on the right side inner wall of seal box, fixedly connected with FFU unit under test on the fixing base, it is connected with the chamber door to rotate on the preceding terminal surface of seal box, be provided with the wind channel connecting seat on the left end face of seal box, can dismantle on the wind channel connecting seat and be connected with the adapter, the bottom of seal box is rotated and is connected with a set of gyro wheel. The utility model relates to a simple structure, the suitability is strong, the strong FFU test chamber of mobility.

Description

FFU test chamber

Technical Field

The utility model relates to a clarifier detects technical field, specifically is a FFU test chamber.

Background

The FFU purification unit is a purification unit newly adopted in China in recent years, replaces a self-purifier, and has the principle that a fan and a filter (a high efficiency filter (HEPA) or an ultra high efficiency filter (ULPA)) are combined together to form terminal purification equipment which provides power for the FFU purification unit. In particular to a modular tail end air supply device with power and filtering function. The fan sucks air from the top of the FFU and filters the air by HEPA, and the filtered clean air is uniformly sent out on the whole air outlet surface at the air speed of 0.45m/s +/-20%. However, FFU purification unit performance detection devices are less commonly found today.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a FFU test chamber to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a FFU test chamber, includes the seal box, be provided with the fixing base on the right side inner wall of seal box, fixedly connected with FFU unit under test on the fixing base, it is connected with the chamber door to rotate on the preceding terminal surface of seal box, be provided with the wind channel connecting seat on the left end face of seal box, can dismantle on the wind channel connecting seat and be connected with the adapter, the bottom of seal box is rotated and is connected with a set of gyro wheel.

The FFU unit under test comprises a base, wherein a group of T-shaped grooves are formed in the fixing base, sliding blocks are connected in the T-shaped grooves in a sliding mode, threaded holes are formed in the sliding blocks, threaded rods are connected in the threaded holes in a matched mode, the four corners of the base are provided with through holes, the threaded rods penetrate through the through holes, nuts are connected to the threaded rods in a threaded mode, and the nuts are pressed on the upper surface of the base.

Preferably, the tail end of the T-shaped groove is provided with an outwards-opened arc-shaped opening.

Preferably, be provided with the flange on wind channel connecting seat and the adapter, it is connected with the rotation screw rod to rotate on the flange in the wind channel connecting seat, be provided with the open slot on the flange in the adapter, the rotation screw rod joint is in the open slot, threaded connection has fast-assembling nut on the rotation screw rod, fixedly connected with twists the ring on the fast-assembling nut.

Preferably, the airtight box comprises a shell, wherein a sound insulation layer is arranged on the inner surface of the shell, and the sound insulation layer is a polyurethane foam board.

Preferably, the front end and the rear end of the bottom of the right side wall of the closed box are respectively and fixedly connected with a pair of push rods, and the tail ends of the push rods are fixedly connected with handles.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses during the test, can link to each other wind channel connecting seat and ventilation test system end and carry out test, also can independently carry out test. The adapter improves the matching adaptability of connecting seat, and the removal performance of test room is improved to the gyro wheel. The slider can improve the adaptation degree of fixing base in the slip of T type groove to the not unit of experimenting FFU of equidimension. The twisting ring can be directly twisted by hands, so that the flange connection efficiency is improved, and the adapter is convenient to replace. The shell plays a structural supporting role, and the sound insulation layer plays a sound insulation and heat insulation role. The utility model relates to a simple structure, the suitability is strong, the strong FFU test chamber of mobility.

Drawings

FIG. 1 is a schematic diagram of an FFU testing chamber;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

fig. 3 is a partial enlarged view of fig. 1 at K.

In the figure: 1-shell, 2-sound insulation layer, 3-push rod, 4-handle, 5-roller, 6-airtight box, 7-box door, 8-air duct connecting seat, 9-adapter, 10-flange, 11-rotating screw rod, 12-fast nut, 13-screwing ring, 14-fixing seat, 15-T-shaped groove, 16-sliding block, 17-tested FFU unit, 18-base, 19-screw rod and 20-opening.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a FFU test chamber, includes the seal box 6, be provided with fixing base 14 on the right side inner wall of seal box 6, fixedly connected with FFU unit 17 under test on the fixing base 14, it is connected with chamber door 7 to rotate on the preceding terminal surface of seal box 6, be provided with wind channel connecting seat 8 on the left end face of seal box 6, can dismantle on the wind channel connecting seat 8 and be connected with adapter 9, the bottom of seal box 6 is rotated and is connected with a set of gyro wheel 5.

During testing, the air duct connecting seat 8 can be connected with the tail end of the ventilation testing system to perform testing test, and the testing test can also be independently performed. In a closed environment, the tested FFU unit 17 can be tested for parameters such as fan power, resistance of a filter, efficiency, air volume and the like through related equipment. Adapter 9 improves the matching adaptability of connecting seat 8, and gyro wheel 5 improves the mobility of test room.

Preferably, the FFU unit 17 under test includes a base 18, a set of T-shaped grooves 15 is disposed on the fixing base 14, a sliding block 16 is slidably connected in the T-shaped grooves 15, a threaded hole is disposed on the sliding block 16, a screw rod 19 is fittingly connected in the threaded hole, through holes are disposed at four corners of the base 18, the screw rod 19 passes through the through holes, a nut is threadedly connected to the screw rod 19, and the nut is pressed on an upper surface of the base 18.

The sliding of the slider 16 in the T-shaped slot 15 can improve the adaptability of the fixing seat 14 to adapt to tested FFU units 17 with different sizes.

Preferably, the end of the T-shaped groove 15 is provided with an opening 20 in the shape of an arc of a circle flaring outwards.

The rounded opening 20 facilitates the fitting of the slider 16 into the T-shaped slot 15.

Preferably, be provided with flange 10 on wind channel connecting seat 8 and the adapter 9, it is connected with rotation screw rod 11 to rotate on the flange 10 in the wind channel connecting seat 8, be provided with the open slot on the flange 10 in the adapter 9, rotate the joint of screw rod 11 in the open slot, threaded connection has fast-assembling nut 12 on the rotation screw rod 11, fixedly connected with is twisted ring 13 on the fast-assembling nut 12.

The screwing ring 13 can be directly screwed by hand, so that the flange connection efficiency is improved, and the adapter 9 is convenient to replace.

Preferably, the closed box 6 comprises an outer shell 1, wherein an acoustic insulation layer 2 is arranged on the inner surface of the outer shell 1, and the acoustic insulation layer 2 is a polyurethane foam board.

The outer shell 1 serves as a structural support and the soundproof layer 2 serves as soundproof and heat-insulating.

Preferably, a pair of push rods 3 are fixedly connected to the front end and the rear end of the bottom of the right side wall of the closed box 6 respectively, and a handle 4 is fixedly connected to the tail end of each push rod 3.

The handle 4 facilitates pushing the test chamber.

The utility model discloses a theory of operation is: during testing, the air duct connecting seat 8 can be connected with the tail end of the ventilation testing system to perform testing test, and the testing test can also be independently performed. In a closed environment, the tested FFU unit 17 can be tested for parameters such as fan power, resistance of a filter, efficiency, air volume and the like through related equipment. Adapter 9 improves the matching adaptability of connecting seat 8, and gyro wheel 5 improves the mobility of test room. The sliding of the slider 16 in the T-shaped slot 15 can improve the adaptability of the fixing seat 14 to adapt to tested FFU units 17 with different sizes. The rounded opening 20 facilitates the fitting of the slider 16 into the T-shaped slot 15. The screwing ring 13 can be directly screwed by hand, so that the flange connection efficiency is improved, and the adapter 9 is convenient to replace. The outer shell 1 serves as a structural support and the soundproof layer 2 serves as soundproof and heat-insulating. The handle 4 facilitates pushing the test chamber.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An FFU test chamber comprising an enclosure (6), characterized in that: be provided with fixing base (14) on the right side inner wall of seal box (6), fixedly connected with FFU unit (17) under test is gone up in fixing base (14), it is connected with chamber door (7) to rotate on the preceding terminal surface of seal box (6), be provided with wind channel connecting seat (8) on the left end face of seal box (6), can dismantle on wind channel connecting seat (8) and be connected with adapter (9), the bottom of seal box (6) is rotated and is connected with a set of gyro wheel (5).

2. An FFU test chamber according to claim 1, wherein: the FFU unit (17) to be tested comprises a base (18), a group of T-shaped grooves (15) are formed in the fixing base (14), sliding blocks (16) are connected in the T-shaped grooves (15) in a sliding mode, threaded holes are formed in the sliding blocks (16), screw rods (19) are connected in the threaded holes in a matched mode, through holes are formed in four corners of the base (18), the screw rods (19) penetrate through the through holes, nuts are connected to the screw rods (19) in a threaded mode, and the nuts are pressed on the upper surface of the base (18).

3. An FFU test chamber according to claim 2, wherein: the tail end of the T-shaped groove (15) is provided with an arc-shaped opening (20) which is opened outwards.

4. An FFU test chamber according to claim 1, wherein: be provided with flange (10) on wind channel connecting seat (8) and adapter (9), it is connected with rotation screw rod (11) to rotate on flange (10) in wind channel connecting seat (8), be provided with the open slot on flange (10) in adapter (9), rotation screw rod (11) joint is in the open slot, threaded connection has fast-assembling nut (12) on rotating screw rod (11), fixedly connected with twists ring (13) on fast-assembling nut (12).

5. An FFU test chamber according to claim 1, wherein: the closed box (6) comprises a shell (1), wherein a sound insulation layer (2) is arranged on the inner surface of the shell (1), and the sound insulation layer (2) is a polyurethane foam board.

6. An FFU test chamber according to claim 1, wherein: the front end and the rear end of the bottom of the right side wall of the closed box (6) are respectively and fixedly connected with a pair of push rods (3), and the tail ends of the push rods (3) are fixedly connected with handles (4).