CN211318630U

CN211318630U - Anechoic chamber waterway waveguide tube

Info

Publication number: CN211318630U
Application number: CN201922247360.2U
Authority: CN
Inventors: 洑根芳
Original assignee: Changzhou Yuanping Electronic Co ltd
Current assignee: Changzhou Yuanping Electronic Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-21
Anticipated expiration: 2029-12-16

Abstract

The utility model provides a anechoic chamber water path guided wave tube, which comprises a wall, an external connector, a flame-retardant sheath, a fixed plate, a fastening bolt, a water outlet head, a ferrite sheet protective sleeve, a carbon-containing wave-absorbing sponge, a filter screen, a junction pipe and a sealing ring, wherein the external connector is arranged on the left side of the wall, the flame-retardant sheath is arranged inside the wall, the fixed plate is fixed on the right end surface of the wall, the fastening bolt is arranged on the right end surface of the fixed plate, the water outlet head is arranged on the right end surface of the flame-retardant sheath, the junction pipe is arranged on the left side inside of the water outlet head, the sealing ring is arranged on the annular side surface of the junction pipe, the carbon-containing wave-absorbing sponge is arranged inside the flame-retardant sheath, the ferrite sheet protective sleeve is arranged inside, the use effect is good, and the practicality is strong.

Description

Anechoic chamber waterway waveguide tube

Technical Field

The utility model relates to an anechoic chamber water route guided wave pipe belongs to anechoic chamber technical field.

Background

The anechoic chamber is a closed shielding chamber which is mainly used for simulating open fields and is simultaneously used for radiated radio disturbance (EMI) and radiation sensitivity (EMS) measurement. The size of the anechoic chamber and the selection of the radio frequency wave-absorbing material are mainly determined by the dimension of the external line of a tested device (EUT) and the test requirements, namely a 1m method, a 3m method or a 10m method, and the anechoic chamber is generally divided into three test sites for a radiation test, namely a full anechoic chamber, a half anechoic chamber and an open field. The radiation tests performed in the three test sites can be generally considered to accord with the propagation rule of electromagnetic waves in free space, and the anechoic chamber water channel waveguide is a device for conveying coolant to the interior of an anechoic chamber.

In the prior art, the existing anechoic chamber waterway wave guide tube can not shield external electromagnetic waves in the process of conveying a coolant, and can influence the internal magnetic field of the anechoic chamber, so that the test result is not accurate enough, the using effect is not good, and the problem of the appearance is solved by urgently needing the anechoic chamber waterway wave guide tube.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an anechoic chamber water route guided wave pipe to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the composite mounting of being convenient for, excellent in use effect, the practicality is strong.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a anechoic chamber water path guided wave tube comprises a wall, an outer connector, a water path guided wave tube assembly and a coolant, wherein the water path guided wave tube assembly is arranged inside the wall, the outer connector is installed on the left side of the wall, the coolant is filled inside the outer connector, the water path guided wave tube assembly comprises a flame-retardant sheath, a fixed plate, a fastening bolt, a water outlet head, a ferrite sheet protective sleeve, carbon-containing wave-absorbing sponge, a filter screen, a short connecting tube and a sealing ring, the flame-retardant sheath is installed inside the wall, the fixed plate is fixed on the right end face of the wall, the fastening bolt is installed on the right end face of the fixed plate, the water outlet head is installed on the right end face of the flame-retardant sheath, the short connecting tube is installed on the left side inside the short connecting tube, the sealing ring is installed on, the ferrite strip lag internally mounted has the filter screen.

Furthermore, a through hole is formed in the fixing plate, a counter bore is formed in the wall, internal threads are arranged in the counter bore, and the fastening bolt penetrates through the fixing plate through the through hole and is connected with the wall through threads.

Further, the iron oxide piece lag inner wall has been seted up the draw-in groove, the draw-in groove width is the same with the filter screen width, the filter screen is connected with iron oxide piece lag through the draw-in groove.

Furthermore, a sealing groove is formed in the annular side face of the short connecting pipe, and the sealing groove is matched with the sealing ring in specification.

Furthermore, water route guided wave pipe assembly is connected with external equipment through outer connector, water route guided wave pipe assembly is connected with anechoic chamber internal plant through the hydroecium head.

Furthermore, the water outlet head is of a conical structure.

The utility model has the advantages that: the utility model discloses an anechoic chamber water route guided wave pipe, because of the utility model discloses added fire-retardant sheath, fixed plate, fastening bolt, play flood peak, ferrite strip lag, carbonaceous inhale ripples sponge, filter screen, junction pipe and sealing washer, inside this design can effectively prevent external electromagnetic wave to get into anechoic chamber, solved the not good problem of original anechoic chamber water route guided wave pipe result of use, improved the utility model discloses a practicality.

Because of the inside through-hole of having seted up of fixed plate, the inside counter bore of having seted up of wall, the inside internal thread that is provided with of counter bore, fastening bolt runs through the fixed plate through the through-hole, be connected with the wall through the screw thread, this design has strengthened the firm nature of fixed plate with wall connection department through threaded connection, because of the draw-in groove has been seted up to ferrite strip lag inner wall, the draw-in groove width is the same with the filter screen width, the filter screen is connected with ferrite strip lag through the draw-in groove, this design is convenient for the installation of filter screen is fixed, because of connecting the nozzle stub annular flank and having seted up the seal groove, seal groove and sealing washer specification phase-match, this design has.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a water path waveguide tube of an anechoic chamber according to the present invention;

fig. 2 is a schematic structural view of a water waveguide assembly in a water waveguide of an anechoic chamber according to the present invention;

fig. 3 is a right side view of a water waveguide assembly in a water waveguide of an anechoic chamber according to the present invention;

fig. 4 is a front sectional view of a water waveguide assembly in a water waveguide of an anechoic chamber according to the present invention;

in the figure: 1-wall, 2-external connector, 3-water channel wave guide tube component, 4-coolant, 31-flame retardant sheath, 32-fixing plate, 33-fastening bolt, 34-water outlet, 35-ferrite sheet protecting jacket, 36-carbon-containing wave-absorbing sponge, 37-filter screen, 38-junction pipe, 39-sealing ring, 331-counter bore, 371-clamping groove and 391-sealing groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an anechoic chamber water route guided wave pipe, includes wall 1, outer connector 2, water route guided wave pipe subassembly 3 and coolant 4, and wall 1 is inside to be provided with water route guided wave pipe subassembly 3, and outer connector 2 is installed on wall 1 left side, and outer connector 2 is inside to be filled has coolant 4.

Waterway wave guide pipe subassembly 3 includes fire-retardant sheath 31, the fixed plate 32, fastening bolt 33, go out water head 34, ferrite strip lag 35, carbonaceous wave-absorbing sponge 36, filter screen 37, junction pipe 38 and sealing

washer

39, 1 internally mounted of wall has fire-

retardant sheath

31, 1 right-hand member face of wall is fixed with fixed plate 32, fastening bolt 33 is installed to fixed plate 32 right-hand member face, water head 34 is installed to fire-retardant sheath 31 right-hand member face, junction pipe 38 is installed on the inside left side of play water head 34, junction pipe 38 annular side-mounting has sealing washer 39, carbonaceous wave-absorbing sponge 36 is installed to fire-retardant sheath 31 inboard, carbonaceous wave-absorbing sponge 36 installs inboard ferrite strip lag 35, ferrite strip lag 35 internally mounted has filter screen 37, the not good problem of original anechoic chamber waterway wave guide pipe result of use.

The through-hole has been seted up to fixed plate 32 inside, 1 inside counter bore 331 of having seted up of wall, the inside internal thread that is provided with of counter bore 331, fastening bolt 33 runs through fixed plate 32 through the through-hole, be connected with wall 1 through the screw thread, the firm nature of fixed plate 32 with 1 junction of wall has been strengthened through threaded connection in this design, draw-in groove 371 has been seted up to ferrite strip lag 35 inner wall, draw-in groove 371 width is the same with filter screen 37 width, filter screen 37 is connected with ferrite strip lag 35 through draw-in groove 371, the installation of the filter screen 37 of being convenient for of.

The annular side face of the connecting short pipe 38 is provided with a sealing groove 391, the sealing groove 391 is matched with the specification of the sealing ring 39, the design improves the sealing performance of the connecting short pipe 38, the water path guided wave pipe assembly 3 is connected with an external water source through the external connector 2, the water path guided wave pipe assembly 3 is connected with the interior equipment of the anechoic chamber through the water outlet head 34, the design facilitates the conveying of external coolant 4, the water outlet head 34 is of a conical structure, and the design facilitates the coolant 4 to be output from the interior of the water outlet head 34.

As an embodiment of the present invention: when the coolant 4 needs to be conveyed into the anechoic chamber, a worker firstly connects the external connector 2 with external equipment, the coolant 4 is conveyed into the water inlet waveguide tube assembly 3 through the external connector 2, the coolant 4 passes through the water channel waveguide tube assembly 3, the filter screen 37 filters the coolant 4 to filter impurities in the coolant 4, the impurities in the coolant 4 are prevented from influencing electromagnetic wave signals in the anechoic chamber, the external electromagnetic waves pass through the flame-retardant sheath 31, part of the external electromagnetic waves are rebounded by the flame-retardant sheath 31, the other part of the external electromagnetic waves are absorbed by the carbon-containing wave-absorbing sponge 36, the external electromagnetic waves contained in the coolant 4 are absorbed and filtered by the ferrite protective sheath 35, and after the external electromagnetic waves in the coolant 4 are eliminated, the external electromagnetic waves reach the water outlet 34 through the connecting short tube 38 and then enter the equipment in the anechoic chamber through the water outlet 34, the utility model discloses a practicality has been improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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. The utility model provides an anechoic chamber water route guided wave pipe, includes wall, outer connector, water route guided wave tube subassembly and coolant, its characterized in that: a waterway waveguide tube assembly is arranged in the wall, an external connector is arranged on the left side of the wall, and a coolant is filled in the external connector;

water route guided wave pipe subassembly includes fire-retardant sheath, fixed plate, fastening bolt, goes out tap, ferrite strip lag, carbonous ripples sponge, filter screen, junction pipe and sealing washer, wall internally mounted has fire-retardant sheath, the wall right-hand member face is fixed with the fixed plate, fastening bolt is installed to fixed plate right-hand member face, fire-retardant sheath right-hand member face is installed out the tap, it installs junction pipe to go out the inside left side of tap, junction pipe ring side installs the sealing washer, fire-retardant sheath inboard is installed and is contained the ripples sponge, the ferrite strip lag is installed to carbonous ripples sponge inboard, ferrite strip lag internally mounted has the filter screen.

2. The anechoic chamber waterway waveguide of claim 1, wherein: the fixing plate is internally provided with a through hole, the wall is internally provided with a counter bore, an internal thread is arranged in the counter bore, and the fastening bolt penetrates through the fixing plate through the through hole and is connected with the wall through a thread.

3. The anechoic chamber waterway waveguide of claim 1, wherein: the iron oxide piece lag has seted up the draw-in groove on the inner wall, the draw-in groove width is the same with the filter screen width, the filter screen is connected with iron oxide piece lag through the draw-in groove.

4. The anechoic chamber waterway waveguide of claim 1, wherein: the annular side surface of the short connecting pipe is provided with a sealing groove, and the sealing groove is matched with the sealing ring in specification.

5. The anechoic chamber waterway waveguide of claim 1, wherein: the water route guided wave pipe assembly is connected with external equipment through outer connector, the water route guided wave pipe assembly is connected with anechoic chamber internal plant through the hydroecium head.

6. The anechoic chamber waterway waveguide of claim 1, wherein: the water outlet head is of a conical structure.