CN214155257U

CN214155257U - Electromagnetic shielding box body structure of PCR instrument

Info

Publication number: CN214155257U
Application number: CN202023157592.8U
Authority: CN
Inventors: 陈�峰; 陈功俊
Original assignee: Nanjing Superyears Gene Technology Co ltd
Current assignee: Nanjing Superyears Gene Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-07
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a PCR appearance electromagnetic shield box structure, U-shaped housing with the connection can be dismantled to the U-shaped box, and be located the top of U-shaped box, the box connecting plate with the connection can be dismantled to the U-shaped box, and be located the top of U-shaped box, electrically conductive sealing strip with U-shaped box fixed connection, and be located the side of U-shaped box, the guide track with U-shaped box fixed connection, and be located the bottom of U-shaped box, the guide bracket with U-shaped housing fixed connection, through the aforesaid structure, it is right to utilize a small amount of fastener can accomplish to the U-shaped housing with fixing between the U-shaped box, and need not to occupy too much the U-shaped box open area, simple structure is reliable, part quantity is few, the cost of manufacture is low, shielding effect is good, the daily debugging of being convenient for, Maintenance, automatic production and processing can be realized, and positive technical effect and popularization and application value are achieved.

Description

Electromagnetic shielding box body structure of PCR instrument

Technical Field

The utility model relates to a medical equipment technical field especially relates to a PCR appearance electromagnetic shield box structure.

Background

In medical equipment, electrical components such as a control box and a computer case are usually included, and the electrical components can normally work in various environments only by avoiding the influence of electromagnetic interference on the performance of electronic equipment, so that corresponding electromagnetic shielding measures need to be carried out on the electrical components; the control box of the PCR instrument needs to be opened and closed frequently in the debugging stage and the subsequent maintenance process, and the electromagnetic shielding measure between the box body and the housing of the control box is particularly important. When the PCR instrument is manufactured in small batches, a complex electromagnetic shielding housing structure usually needs to be manufactured with a special forming die, and the production cost is higher. Therefore, the design of the electromagnetic shielding box structure suitable for the PCR instrument has very important significance, the shielding box structure adopted by the existing control box usually adopts a screw fastening mode directly to compress the housing and the conductive sealing strip on the box body, and for a larger housing, a large number of screw hole sites need to be arranged and distributed at the joint of the box body and the housing, so that the daily debugging and maintenance are not convenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCR appearance electromagnetic shield box structure aims at solving the mode that adopts the screw-up among the prior art, compresses tightly housing and electrically conductive sealing strip on the box, and this kind of mode needs to set up a large amount of screw hole sites and distributes at the junction of box and housing to great housing, is not convenient for daily debugging, maintains the technical problem of maintenance.

In order to achieve the above object, the utility model provides an electromagnetic shielding box structure for a PCR instrument, which comprises a U-shaped box body, a U-shaped housing, a box connecting plate, a conductive sealing strip, a guide rail, a guide support, a first screw and a second screw, wherein the U-shaped housing is detachably connected with the U-shaped box body and is positioned above the U-shaped box body, the box connecting plate is detachably connected with the U-shaped box body and is positioned above the U-shaped box body, the conductive sealing strip is fixedly connected with the U-shaped box body and is positioned at the side surface of the U-shaped box body, the guide rail is fixedly connected with the U-shaped box body and is positioned at the bottom of the U-shaped box body, the guide support is fixedly connected with the U-shaped housing and is positioned at the inner side wall of the U-shaped housing, the first screw is respectively in threaded connection with the box connecting plate and the U-, and the second screw is respectively in threaded connection with the U-shaped box body and the U-shaped housing and is positioned between the U-shaped box body and the U-shaped housing.

Wherein, the bottom of U-shaped box is provided with first through-hole.

The electromagnetic shielding box structure of the PCR instrument further comprises a fan, wherein the fan is fixedly connected with the U-shaped box body and is positioned in the first through hole.

The electromagnetic shielding box structure of the PCR instrument further comprises a first shielding mesh enclosure, wherein the first shielding mesh enclosure is fixedly connected with the U-shaped box body and is positioned below the fan.

And a plurality of second through holes are formed in the outer side wall of the U-shaped box body.

The electromagnetic shielding box structure of the PCR instrument further comprises a plurality of second shielding net covers, and the second shielding net covers are fixedly connected with the U-shaped box body and located on the side faces of the second through holes respectively.

The beneficial effects of the utility model are embodied in: when the U-shaped casing is installed, the U-shaped casing is pushed in through the guide rail on the U-shaped box body in a directional mode, a certain pressing force is generated when the U-shaped casing and the U-shaped box body are closed through the guide support structure on the U-shaped casing, the U-shaped casing and the conductive sealing strip arranged on the U-shaped box body form a continuous electric conductor, the second screw on the U-shaped casing is screwed down to be connected and fixed with the U-shaped box body, the U-shaped casing, the box body connecting plate and the conductive sealing strip are matched to form a relatively closed electromagnetic shielding box body, excellent electromagnetic compatibility is guaranteed, the U-shaped box body is enabled to be blown out from bottom to top by the fan, and the shielding mesh cover is used on the outer sides of the first through hole and the second through hole, so that good ventilation and heat dissipation properties are achieved, the effectual advantage of shielding, during daily debugging, maintenance, directly unscrew on the U-shaped housing second locking screw, along on the U-shaped box the guide track can be released, through the aforesaid structure, it is right to utilize a small amount of fastener can be accomplished to the U-shaped housing with fixed between the U-shaped box, and need not to occupy too much U-shaped box open area, simple structure is reliable, part is small in quantity, low in manufacturing cost, shielding effect are good, the daily debugging of being convenient for, maintenance, and can realize automated production and processing, have positive technological effect and popularization and application and worth.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the electromagnetic shielding box structure of the PCR instrument of the present invention.

FIG. 2 is a schematic structural diagram of a U-shaped housing of the electromagnetic shielding box structure of the PCR instrument of the present invention.

Fig. 3 is a schematic structural diagram of a U-shaped box body of the electromagnetic shielding box body structure of the PCR instrument.

The device comprises a 100-PCR instrument electromagnetic shielding box structure, a 1-U-shaped box body, a 2-U-shaped encloser, a 3-box body connecting plate, a 4-conductive sealing strip, a 5-guide rail, a 6-guide support, a 7-first screw, an 8-second screw, a 9-first through hole, a 10-fan, a 11-first shielding mesh enclosure, a 12-second through hole and a 13-second shielding mesh enclosure.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the present invention provides a technical solution: an electromagnetic shielding box structure 100 of a PCR instrument comprises a U-shaped box body 1, a U-shaped housing 2, a box connecting plate 3, a conductive sealing strip 4, a guide rail 5, a guide support 6, a first screw 7 and a second screw 8, wherein the U-shaped housing 2 is detachably connected with the U-shaped box body 1 and is positioned above the U-shaped box body 1, the box connecting plate 3 is detachably connected with the U-shaped box body 1 and is positioned above the U-shaped box body 1, the conductive sealing strip 4 is fixedly connected with the U-shaped box body 1 and is positioned on the side surface of the U-shaped box body 1, the guide rail 5 is fixedly connected with the U-shaped box body 1 and is positioned at the bottom of the U-shaped box body 1, the guide support 6 is fixedly connected with the U-shaped housing 2 and is positioned on the inner side wall of the U-shaped housing 2, the first screw 7 is respectively in threaded connection with the box connecting plate 3 and the U-shaped box body 1, and the second screw 8 is respectively in threaded connection with the U-shaped box body 1 and the U-shaped housing 2 and is positioned between the U-shaped box body 1 and the U-shaped housing 2.

In this embodiment, during installation, the U-shaped casing 2 is pushed in through the guide track 5 on the U-shaped box 1, a certain pressing force is generated when the U-shaped casing 2 and the U-shaped box 1 are closed through the structure of the guide support 6 on the U-shaped casing 2, so that the U-shaped casing 2 and the conductive sealing strip 4 arranged on the U-shaped box 1 form a continuous conductor, the second screw 8 on the U-shaped casing 2 is screwed down to be connected and fixed with the U-shaped box 1, the U-shaped casing 2, the box connecting plate 3 and the conductive sealing strip 4 cooperate to form a relatively airtight electromagnetic shielding box body, thereby ensuring that excellent electromagnetic compatibility is achieved, and the U-shaped box 1, the U-shaped casing 2 and the box connecting plate 3 are all aluminum alloy materials, the composite material has the advantages of light weight, high strength, corrosion resistance and good heat dissipation; daily debugging, during maintenance, directly unscrew on the U-shaped housing 2 second locking screw, along on the U-shaped box 1 guide rail 5 can be released, through the aforesaid structure, it is right to utilize a small amount of fastener can accomplish to the U-shaped housing 2 with fixed between the U-shaped box 1, and need not to occupy too much the open area of U-shaped box 1, simple structure is reliable, part is small in quantity, low in manufacturing cost, shielding effect are good, the daily debugging of being convenient for, maintenance, and can realize automated production and processing, have positive technological effect and popularization and application and worth.

Further, the bottom of the U-shaped box body 1 is provided with a first through hole 9.

In this embodiment, the first through hole 9 is used for installing the fan 10 and the first shielding mesh enclosure 11, the fan 10 is used for enabling the U-shaped box body 1 to be blown out from the top by the downward air, and the shielding mesh enclosure is used outside the first through hole 9, so that the advantages of good ventilation and heat dissipation performance and good shielding effect are achieved.

Further, the electromagnetic shielding box structure 100 of the PCR instrument further comprises a fan 10, wherein the fan 10 is fixedly connected with the U-shaped box 1 and is located inside the first through hole 9.

In this embodiment, the fan 10 causes the U-shaped case 1 to be blown out from the top by the bottom, to be blown in from the first through hole 9, and to be blown out from the second through hole 12, thereby maintaining good ventilation.

Further, the electromagnetic shielding box structure 100 of the PCR instrument further includes a first shielding mesh enclosure 11, and the first shielding mesh enclosure 11 is fixedly connected to the U-shaped box 1 and is located below the fan 10.

In the present embodiment, since the fan 10 is required to dissipate heat, the first shielding mesh enclosure 11 is added below the fan 10 to shield the interference in the external environment.

Further, a plurality of second through holes 12 are arranged on the outer side wall of the U-shaped box body 1.

In this embodiment, the second through hole 12 is an air outlet, and the fan 10 causes the U-shaped case 1 to be blown out from the top by the bottom air, the first through hole 9 and the second through hole 12, thereby maintaining good ventilation.

Further, the electromagnetic shielding box structure 100 of the PCR instrument further includes a plurality of second shielding mesh enclosures 13, the number of the second shielding mesh enclosures 13 is plural, and the plurality of second shielding mesh enclosures 13 are respectively and fixedly connected to the U-shaped box 1 and respectively located on the corresponding side surfaces of the second through holes 12.

In the present embodiment, since the fan 10 is required to dissipate heat, the second shielding mesh 13 is added below the fan 10 to shield the interference in the external environment.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. An electromagnetic shielding box structure of a PCR instrument is characterized by comprising a U-shaped box body, a U-shaped cover shell, a box connecting plate, a conductive sealing strip, a guide rail, a guide support, a first screw and a second screw, wherein the U-shaped cover shell is detachably connected with the U-shaped box body and is positioned above the U-shaped box body, the box connecting plate is detachably connected with the U-shaped box body and is positioned above the U-shaped box body, the conductive sealing strip is fixedly connected with the U-shaped box body and is positioned on the side surface of the U-shaped box body, the guide rail is fixedly connected with the U-shaped box body and is positioned at the bottom of the U-shaped box body, the guide support is fixedly connected with the U-shaped cover shell and is positioned on the inner side wall of the U-shaped cover shell, the first screw is respectively in threaded connection with the box connecting plate and the U-shaped box body and is positioned between the box connecting plate and the U-shaped box body, the second screw is in threaded connection with the U-shaped box body and the U-shaped cover shell respectively and is positioned between the U-shaped box body and the U-shaped cover shell.

2. The electromagnetic shielding box structure for the PCR instrument as claimed in claim 1, wherein the bottom of the U-shaped box is provided with a first through hole.

3. The electromagnetic shielding box structure for the PCR instrument as claimed in claim 2, further comprising a fan fixedly connected to the U-shaped box and located inside the first through hole.

4. The electromagnetic shielding box structure for the PCR instrument as claimed in claim 3, further comprising a first shielding mesh enclosure, wherein the first shielding mesh enclosure is fixedly connected to the U-shaped box and located below the fan.

5. The electromagnetic shielding box structure for PCR instruments as claimed in claim 4, wherein the outer sidewall of the U-shaped box is provided with a plurality of second through holes.

6. The electromagnetic shielding box structure for the PCR instrument as claimed in claim 5, wherein the electromagnetic shielding box structure for the PCR instrument further comprises a plurality of second shielding mesh enclosures, and the plurality of second shielding mesh enclosures are respectively and fixedly connected to the U-shaped box body and respectively located at the side of the corresponding second through hole.