CN209930828U - Shielding cover for electrophysiological experiment - Google Patents
Shielding cover for electrophysiological experiment Download PDFInfo
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- CN209930828U CN209930828U CN201920543662.1U CN201920543662U CN209930828U CN 209930828 U CN209930828 U CN 209930828U CN 201920543662 U CN201920543662 U CN 201920543662U CN 209930828 U CN209930828 U CN 209930828U
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- shielding
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- scroll
- metal mesh
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Abstract
The utility model provides an electrophysiological experiment shielding cover, which comprises a cover body, wherein the cover body comprises an inner frame, a shielding net layer and an outer frame which are arranged from inside to outside, the shielding net layer is arranged on the inner frame through the outer frame to form a mesh cover with an opening at the front part and an opening at the bottom part, the opening at the front part of the mesh cover is provided with a rolling curtain type shielding door mechanism, and the opening at the bottom part of the mesh cover is provided with a shielding pad; the shielding pad comprises a glass layer I, a metal mesh layer and a glass layer II from top to bottom; the shielding door mechanism comprises a left door post, a right door post, a scroll arranged at the top of the left door post and the right door post, a metal mesh curtain wound on the scroll, and a driving device for driving the scroll to rotate forwards and reversely. The utility model provides an electrophysiology experiment shield cover that can effectively shield electromagnetic signal interference has stable in structure, convenient to install and dismantle's advantage.
Description
Technical Field
The utility model relates to an electrophysiology technique, in particular to an electrophysiology experiment shield cover for animal experiments.
Background
The electrophysiological technique is a technique of stimulating a living body with various forms of energy (electricity, sound, etc.), measuring, recording, and analyzing an electrical phenomenon (bioelectricity) occurring in the living body and an electrical characteristic of the living body. The very weak electrical activity of cells in the body can be recorded from the body surface of a human or an animal through the electrophysiological technology, and the clinical diagnosis is facilitated through the analysis of the electrical activity.
The electrophysiological experiments are important components in the exercise and physiology experiment course, and medical personnel further learn the activities and characteristics of a living body through the electrophysiological experiments. And when the electrophysiological experiment is carried out, the external electromagnetic interference signals need to be shielded so as to obtain a better experimental effect.
At present, metal rods or metal nets are simply spliced to form shielding equipment in electrophysiological experiments, for example, in the prior patent CN207099549U, a shielding cover for electrophysiological experiments is disclosed, which comprises a rod frame and a soft cloth cover, wherein the soft cloth cover is sleeved on the rod frame and is fixedly connected with the rod frame through a fixing clamp, an opening is left in the middle of the front side surface of the soft cloth cover, and cloth pieces on two sides of the opening are tightly connected through a zipper or a thread gluing. The cover body formed by simply splicing the metal plates or the metal nets has an unstable structure and is difficult to mount and dismount; and current patent does not design cloth cover bottom, and the cover body of bottom receives the pollution easily and is not convenient for clear up.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electrophysiology experiment shield cover that can effectively shield electromagnetic signal interference has stable in structure, convenient to install and dismantle's advantage.
In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a following technical scheme solves above-mentioned problem:
the shielding cover for the electrophysiological experiment comprises a cover body, wherein the cover body comprises an inner frame, a shielding net layer and an outer frame which are arranged from inside to outside, the shielding net layer is arranged on the inner frame through the outer frame to form a mesh cover with an opening at the front part and an opening at the bottom part, a rolling curtain type shielding door mechanism is arranged at the opening at the front part of the mesh cover, and a shielding pad is arranged at the opening at the bottom part of the mesh cover; the shielding pad comprises a glass layer I, a metal mesh layer and a glass layer II from top to bottom; the shielding door mechanism comprises a left door post, a right door post, a scroll arranged at the top of the left door post and the right door post, a metal mesh curtain wound on the scroll, and a driving device for driving the scroll to rotate forwards and reversely.
In the above scheme, the shielding net layer forms the screen panel through the stable parcel of frame outside the inside casing, and the screen panel is anterior uncovered with the bottom, places the screen panel and can realize the effective shielding of main part frame bottom on the shielding pad, and the shielding pad top layer adopts glass structure instrument and clearance of being convenient for. The screen panel front portion advances the shielding through rolling up curtain formula shield door mechanism, and convenient receiving and releasing of metal net curtain accessible drive arrangement can guarantee experimental operating space, avoids the shield door to cause the interference to the experiment.
In order to ensure the folding and unfolding of the metal mesh curtain, the metal mesh curtain is kept attached to the front part of the mesh enclosure. The bottom of the metal net curtain is provided with a balance weight horizontal bar, and the inner sides of the left and right doorposts are respectively provided with a sliding chute which is in sliding fit with the two ends of the balance weight horizontal bar. Or the bottom of the metal net curtain is provided with a balance weight horizontal bar, and the sliding blocks connected with the left end and the right end of the balance weight horizontal bar are respectively arranged on the left sliding rail and the right sliding rail on the inner sides of the left door post and the right door post.
Preferably, the driving device comprises a driving motor installed on the door post on one side and connected with the controller, a driving gear arranged on an output shaft of the driving motor, and a driven gear arranged on the corresponding shaft end of the scroll and meshed with the driving gear.
The utility model has the advantages and effects that:
1. the shielding cover comprises an inner frame, an outer frame and a shielding net layer fixed between the inner frame and the outer frame, and the structure of the shielding cover is stable.
2. The cover body is anterior uncovered with the bottom, and anterior uncovered is shielded through rolling up curtain formula shield door mechanism, and the uncovered shielding pad that passes through in bottom shields, only needs the frame cover to place on the shielding pad, will roll up curtain formula shield door mechanism and assemble in the frame cover is anterior, can accomplish the equipment of shielding cover.
3. The shielding pad adopts upper and lower two-layer glass board and middle metal mesh layer structure, and the test operation and the clearance of being convenient for of upper portion glass board, lower part glass board can provide the comparatively level and smooth base face of device.
4. The cover body is front open and is sealed through rolling up curtain formula shield door mechanism, can guarantee experimental operating space with the rolling of metal mesh curtain under the non-shielding state, avoids the metal mesh curtain to cause the interference to the experiment.
Drawings
Fig. 1 is a schematic structural diagram of a shield for electrophysiological experiments.
Fig. 2 is an exploded view of the shield for electrophysiological experiments.
And (3) identifying the figure number: 1. the device comprises an inner frame, 2, shielding mesh layers, 3, an outer frame, 4, a shielding door mechanism, 41, a door post, 42, a reel, 43, a metal mesh curtain, 44, a driving motor, 45, a balance weight cross bar, 46, a sliding chute, 47, a driving gear, 48, a driven wheel, 5, a shielding pad, 51, glass layers I and 52, metal mesh layers, 53 and a glass layer II.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.
The electrophysiological experiment shielding cover described in this embodiment, as shown in fig. 1 and 2, mainly comprises a cover body, a shielding door mechanism 4, and a shielding pad 5.
The cover body includes from inside to outside in proper order the square body inside casing 1, square body shielding net layer 2 and the square body frame 3 of establishing of overlapping, frame 3 is installed on inside casing 1 with screw or bolt and with shielding net layer 2 parcel in the inside casing 1 outside form stable screen panel type structure, and each frame face seam crossing shielding net layer 2 does not have the crack, and interference signal is difficult for revealing, can reach better shielding effect.
The front portion and the bottom of the cover body are of an open structure, the shielding door mechanism 4 is arranged at the front opening of the cover body, the shielding pad 5 is arranged at the bottom opening of the cover body, and the shielding door mechanism 4 and the shielding pad 5 are respectively arranged at the front portion and the bottom of the cover body for shielding, as shown in fig. 1 and fig. 2.
The shielding pad 5 is composed of a glass layer I51, a metal mesh layer 52 and a glass layer II53 from top to bottom, the cover body is placed on the shielding pad 5, and the metal mesh layer 52 with the area larger than the bottom of the cover body can better shield the bottom of the cover body; the upper glass layer I51 provides a platform for easy cleaning for experiments, and the lower glass layer II53 provides a better fixation for the metal mesh layer 52 in cooperation with the glass layer I51, as shown in fig. 2.
The shielding door mechanism 4 includes door posts 41 disposed on the left and right sides of the front portion of the housing, a roller 42 connected to the tops of the door posts 41 on the two sides, a metal mesh 43 wound on the roller 42, and a driving device 44 for driving the roller 42 to rotate forward and backward. The left and right door posts 41 are respectively connected with the left and right frame edges of the outer frame 3 by screws or bolts, in order to ensure stable retraction of the metal mesh curtain 43, a counterweight cross bar 45 is arranged at the bottom of the metal mesh curtain 43, a sliding chute 46 in sliding fit with the counterweight cross bar 45 is arranged at the inner side of the door post 41, or sliding blocks connected with the left and right ends of the counterweight cross bar 45 are respectively arranged on the left and right sliding rails at the inner sides of the left and right door posts 41, and the metal mesh curtain 43 can move up and down along the sliding rails under the driving of a driving device 44, as shown in fig. 2.
The driving device 44 comprises a driving motor 44 fixedly connected to the inner side of the door post 41 on one side and a gear transmission reducing mechanism connected with an output shaft of the driving motor 44 and the scroll 42, the gear transmission reducing mechanism comprises a driving gear 47 connected with an output shaft of the driving motor 44 and a driven gear 48 arranged on the corresponding shaft end of the scroll 42 and meshed with the driving gear 47, the driving motor 44 is connected with the control device to control the forward and reverse movement of the motor, and then the scroll 42 drives the metal mesh curtain 43 to be retracted.
The working principle of the embodiment is as follows:
during installation, firstly the superposed shielding pad 5 is laid on a test bed, then the assembled cover body is placed on the shielding pad 5 and positioned within the range of the metal mesh layer 52, and finally the shielding door mechanism 4 is installed and fixed at the front opening of the cover body.
When the device is used, the metal mesh curtain 43 is firstly wound and stored on the reel 42 through the driving motor 44, then an experimental animal and related measuring equipment are placed in the cover body, the reel 42 is reversed through the driving motor 44 after the placement is finished, the metal mesh curtain 43 falls down along the sliding groove 46 or the sliding rail under the action of the balance weight horizontal bar 45, the shielding of electrophysiological signals in the cover body can be realized, and the next measurement and experiment can be carried out.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments may be made without departing from the principles and spirit of the invention, which is within the scope of the invention.
Claims (4)
1. Electrophysiology experiment shield cover, including the cover body, its characterized in that: the shielding net cover comprises an inner frame (1), a shielding net layer (2) and an outer frame (3) which are arranged from inside to outside, the shielding net layer (2) is arranged on the inner frame (1) through the outer frame (3) to form a net cover with an opening at the front part and the bottom part, a rolling curtain type shielding door mechanism (4) is arranged at the opening at the front part of the net cover, and a shielding pad (5) is arranged at the opening at the bottom part of the net cover; the shielding pad (5) comprises a glass layer I (51), a metal mesh layer (52) and a glass layer II (53) from top to bottom; the shielding door mechanism (4) comprises a left door post (41), a right door post (41), a scroll (42) arranged at the top of the left door post and the right door post (41), a metal mesh curtain (43) wound on the scroll (42) and a driving device for driving the scroll (42) to rotate forwards and reversely.
2. The electrophysiological experiment shield of claim 1, wherein: the bottom of the metal mesh curtain (43) is provided with a balance weight horizontal bar (45), and the inner sides of the left and right doorposts (41) are respectively provided with a sliding chute (46) which is in sliding fit with the two ends of the balance weight horizontal bar (45).
3. The electrophysiological experiment shield of claim 1, wherein: the bottom of the metal mesh curtain (43) is provided with a balance weight bar (45), and sliders connected with the left end and the right end of the balance weight bar (45) are respectively installed on a left sliding rail and a right sliding rail on the inner sides of the left door post and the right door post (41).
4. The shielding case for electrophysiological experiments of any of claims 1 to 3, wherein: the driving device comprises a driving motor (44) which is arranged on a door post (41) on one side and is connected with the controller, a driving gear (47) which is arranged on an output shaft of the driving motor (44), and a driven gear (48) which is arranged on a corresponding shaft end of the scroll (42) and is meshed with the driving gear (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543662.1U CN209930828U (en) | 2019-04-19 | 2019-04-19 | Shielding cover for electrophysiological experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543662.1U CN209930828U (en) | 2019-04-19 | 2019-04-19 | Shielding cover for electrophysiological experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209930828U true CN209930828U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920543662.1U Expired - Fee Related CN209930828U (en) | 2019-04-19 | 2019-04-19 | Shielding cover for electrophysiological experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209930828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874289A (en) * | 2019-04-19 | 2019-06-11 | 桂林医学院 | Electro physiology tests shielding case |
| CN113374397A (en) * | 2021-06-15 | 2021-09-10 | 中机工程有限公司 | Medical building radiation protection structure and construction method |
-
2019
- 2019-04-19 CN CN201920543662.1U patent/CN209930828U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874289A (en) * | 2019-04-19 | 2019-06-11 | 桂林医学院 | Electro physiology tests shielding case |
| CN113374397A (en) * | 2021-06-15 | 2021-09-10 | 中机工程有限公司 | Medical building radiation protection structure and construction method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210419 |