CN210075938U - Electromagnetic wave shielding mask with wire arranging function - Google Patents
Electromagnetic wave shielding mask with wire arranging function Download PDFInfo
- Publication number
- CN210075938U CN210075938U CN201920875054.0U CN201920875054U CN210075938U CN 210075938 U CN210075938 U CN 210075938U CN 201920875054 U CN201920875054 U CN 201920875054U CN 210075938 U CN210075938 U CN 210075938U
- Authority
- CN
- China
- Prior art keywords
- wire
- heat dissipation
- shield cover
- cover body
- shielding case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses an electromagnetic wave shielding shade of utensil reason line function, including shield cover body and reason line unit, the shield cover body: the shielding case body is hollow, conductive rubber is arranged on the surface of an inner cavity of the shielding case body, wiring ports are arranged on the left side and the right side of the outer surface of the shielding case body, wire collecting holes are arranged on the left side and the right side of the surface of the inner cavity of the shielding case body, two guide block support columns are symmetrically arranged on the left side and the right side of the lower surface of the inner cavity of the shielding case body, wire body guide blocks are arranged on the guide block support columns, and the wiring ports, the wire collecting holes and through holes in the wire body guide blocks are corresponding in position; the electromagnetic wave shielding shade with the wire arranging function does not occupy the space of the circuit board, absorbs the noise generated by the circuit board and guides the heat generated by the circuit board to the outside of the shade body for heat dissipation.
Description
Technical Field
The utility model relates to an electromagnetic wave shielding technical field specifically is an electromagnetic wave shielding shade of utensil reason line function.
Background
Electromagnetic Interference (EMI) refers to any problem that Electromagnetic field is generated along with voltage and current, which may reduce the performance of a device, equipment or system, and cause mutual Interference between circuits. With the development of miniaturization of electronic components, the number of electronic components per unit space on a circuit board is greatly increased, and the integrated circuit greatly reduces the volume of the product and the area of the circuit board, thereby increasing the chance of mutual interference of the components.
The prior art selects a way of arranging or sticking wire arranging clips on a circuit board, but has several problems, firstly, under the consideration of the trend of light, thin, short and small and cost, the area of the current circuit board is correspondingly reduced, and at the moment, if a plurality of areas are required to be arranged on the circuit board fully distributed with electronic elements to arrange the wire arranging clips, the waste and the trouble of space utilization are caused; secondly, since the circuit board itself also generates noise, when the cable clamp is disposed on the cable arranging clamp on the circuit board, the noise of the circuit board interferes with the signal in the cable due to the close of the cable and the circuit board, which results in unstable antenna performance and obviously improves the performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an electromagnetic wave shielding shade of utensil reason line function, do not occupy the space of circuit board, absorb the noise that the circuit board produced and guide the heat that the circuit board produced to cover the body outside and dispel the heat, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an electromagnetic wave shielding mask with a wire arranging function comprises a shielding mask body and a wire arranging unit,
the shield cover body: the shielding case body is hollow, conductive rubber is arranged on the surface of an inner cavity of the shielding case body, wiring ports are arranged on the left side and the right side of the outer surface of the shielding case body, wire collecting holes are arranged on the left side and the right side of the surface of the inner cavity of the shielding case body, two guide block support columns are symmetrically arranged on the left side and the right side of the lower surface of the inner cavity of the shielding case body, wire body guide blocks are arranged on the guide block support columns, and the wiring ports, the wire collecting holes and through holes in the wire body guide blocks are corresponding in position;
a wire arranging unit: the wire arranging unit comprises two wire winding columns, a wire arranging barrel, a wire winding barrel base, a groove, a connecting rod, a first motor, an electric lifting rod, a second motor and rollers, wherein the groove is symmetrically arranged in the middle of the lower surface of an inner cavity of the shielding cover body and is symmetrically arranged on two sides of a circuit board, the middle of the groove is provided with a through hole, the rollers are uniformly arranged in the groove, the bottom end of the wire winding barrel base is arranged in the groove, the wire winding barrel base is rotatably connected with the groove through the rollers, the wire arranging barrel is arranged on the upper surface of the wire winding barrel base and is hollow, through grooves are respectively arranged on two sides of the top of the wire arranging barrel, the second motor is arranged in the middle of the upper surface of the wire winding barrel base, an output shaft of the second motor is connected with one end of the electric lifting rod, the upper surface of the other end of the electric lifting rod is provided with the wire winding columns, and, the middle part of the lower surface of the winding barrel base is provided with the top end of a connecting rod, the bottom end of the connecting rod penetrates through the groove and extends to the outer side of the lower surface of the shielding case body, a first motor is fixed on the lower surface of the shielding case body, and an output shaft of the first motor is connected with the bottom end of the connecting rod;
the shielding case comprises a shielding case body, and is characterized by further comprising a single chip microcomputer, wherein the single chip microcomputer is arranged on the left side of the lower surface of the shielding case body, and the output end of the single chip microcomputer is electrically connected with the input ends of the first motor, the second motor and the electric lifting rod respectively;
the conductive rubber that shield cover body inner chamber surface was equipped with can effectually reach the shielded effect with electromagnetic wave absorption, and wiring mouth, line concentration hole and line body guide block restrict and guide the line that gets into the shield cover, then reason line unit arranges the line that enters into shield cover body inner chamber in order, then reconnection on the circuit board.
Further, the lateral wall of shield cover body is equipped with the intermediate layer, be equipped with light steel in the intermediate layer and add the thistle board, evenly be equipped with the triangle-shaped fan piece in the wiring mouth, the noise that the intraformational light steel of intermediate layer adds the thistle board can produce the circuit board reduces and restricts, and the intraoral triangle-shaped fan piece of wiring is fixed and is tied the line that will enter into the shield cover.
Further, the wire arranging unit further comprises a gear, an inner gear ring and a fixed cylinder, the gear is arranged on the side face of the top end of the electric lifting rod, the fixed cylinder is arranged on the upper surface of the second motor and is hollow, the inner gear ring is arranged on the side face of the upper portion of the inner cavity of the fixed cylinder, and the inner gear ring in the fixed cylinder is meshed with the gear and is used for fixing the winding column.
Further, inner chamber lower surface middle part symmetry of shield cover body is equipped with four heat conduction poles, the one end of heat conduction pole runs through the inner chamber lower surface of shield cover body and extends to the outside of shield cover body, and the one end that four heat conduction poles are located the shield cover body outside is connected the heating panel, the one end that heat conduction pole is located shield cover body inner chamber is equipped with the circuit board, and the heat that produces the circuit board is derived to the outside fan hot plate of shield cover body and is carried out the heat.
Further, still include heat dissipation frame support column, heat dissipation fan and heat dissipation frame, heat dissipation frame support column totally four, the lower surface middle part of shield cover body is evenly located and is located the outside in heating panel four corners to the heat dissipation frame support column, the upper surface of heat dissipation frame support column is equipped with the heat dissipation frame, the inside of heat dissipation frame is equipped with the heat dissipation fan, the input of heat dissipation fan is connected with the output electricity of singlechip, carries out forced air cooling heat dissipation to the heating panel.
Further, still include the handle, the handle is totally two, and both sides middle part around the shield cover body is located respectively to two handles, and two handle position sizes correspond, make the more convenient of removing the shield cover body.
Compared with the prior art, the beneficial effects of the utility model are that: this electromagnetic wave shielding shade of utensil reason line function has following benefit:
1. the wires are arranged outside the circuit board, so that the space on the circuit board is saved, and no interference is caused to circuit elements on the circuit board;
2. the noise generated by the circuit board can be effectively reduced and absorbed;
3. the heat generated from the electric heating plate is guided to the outside of the cover body, and is radiated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the wire management unit of the present invention;
fig. 4 is a schematic view of the local enlarged structure at a position of the present invention.
In the figure: 1 shield cover body, 2 wiring mouths, 3 light steel and paper plasterboard, 4 conductive rubber, 5 handles, 6 heat conducting rods, 7 circuit boards, 8 line collecting holes, 9 line arranging units, 901 winding posts, 902 line arranging barrels, 903 winding barrel bases, 904 grooves, 905 connecting rods, 906 first motors, 907 gears, 908 electric lifting rods, 909 second motors, 910 internal toothed rings, 911 fixing cylinders, 912 rollers, 10 line body guide blocks, 11 guide block supporting columns, 12 singlechips, 13 heat dissipation frame supporting columns, 14 heat dissipation plates, 15 heat dissipation fans, 16 heat dissipation frames and 17 triangular fan blades.
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. 1-4, the present invention provides a technical solution: an electromagnetic wave shielding mask with wire arrangement function comprises a shielding mask body 1 and a wire arrangement unit 9,
shield case body 1: the shielding case body 1 is hollow, conductive rubber 4 is arranged on the surface of an inner cavity of the shielding case body 1, wiring ports 2 are arranged on the left side and the right side of the outer surface of the shielding case body 1, wiring holes 8 are arranged on the left side and the right side of the surface of the inner cavity of the shielding case body 1, two guide block support columns 11 are symmetrically arranged on the left side and the right side of the lower surface of the inner cavity of the shielding case body 1, wire guide blocks 10 are arranged on the guide block support columns 11, and the wiring ports 2, the wiring holes 8 and through holes in the wire guide blocks 10 are corresponding in position;
the wire arranging unit 9: the wire arranging unit 9 comprises two wire arranging columns 901, a wire arranging barrel 902, a wire arranging barrel base 903, two grooves 904, a connecting rod 905, a first motor 906, an electric lifting rod 908, a second motor 909 and rollers 912, wherein the grooves 904 are symmetrically arranged in the middle of the lower surface of the inner cavity of the shield cover body 1 and are symmetrically arranged on two sides of the circuit board 7, through holes are formed in the middle of the grooves 904, the rollers 912 are uniformly arranged in the grooves 904, the bottom end of the wire arranging barrel base 903 is arranged in the grooves 904, the wire arranging barrel base 903 is rotatably connected with the grooves 904 through the rollers 912, the wire arranging barrel 902 is arranged on the upper surface of the wire arranging barrel base 903, the wire arranging barrel 902 is hollow, through grooves are formed in two sides of the top of the wire arranging barrel 902, the second motor 909 is arranged in the middle of the upper surface of the wire arranging barrel base 903, and an output shaft of the second motor 909 is connected with one end of the electric lifting rod, the upper surface of the other end of the electric lifting rod 908 is provided with a winding post 901, threads are uniformly distributed on the surface of the winding post 901, the middle of the lower surface of the winding barrel base 903 is provided with the top end of a connecting rod 905, the bottom end of the connecting rod 905 passes through the groove 904 and extends to the outer side of the lower surface of the shield cover body 1, the lower surface of the shield cover body 1 is fixed with a first motor 906, and an output shaft of the first motor 906 is connected with the bottom end of the connecting rod 905;
the shielding case further comprises a single chip microcomputer 12, wherein the single chip microcomputer 12 is arranged on the left side of the lower surface of the shielding case body 1, and the output end of the single chip microcomputer 12 is electrically connected with the input ends of the first motor 906, the second motor 909 and the electric lifting rod 908 respectively;
the electrically conductive rubber 4 that shield cover body 1 inner chamber surface was equipped with can be effectual reaches the shielded effect with electromagnetic wave absorption, wiring mouth 2, line concentration hole 8 and line body guide block 10 restrict and guide the line that gets into the shield cover, then go into on the wrapping post 901 in the reason line unit 9 from the logical groove at reason line bucket 902 one side top in reason line unit 9, then arrange the line that advances into shield cover body 1 inner chamber in order, lead out from the logical groove at reason line bucket 902 opposite side top in reason line unit 9 again, then connect on circuit board 7.
Further, the lateral wall of shield cover body 1 is equipped with the intermediate layer, be equipped with light steel in the intermediate layer and add thistle board 3, evenly be equipped with triangle-shaped fan piece 17 in the wiring mouth 2, the noise that the intraformational light steel of intermediate layer adds thistle board 3 can produce the circuit board reduces and restricts, and triangle-shaped fan piece 17 in the wiring mouth 2 is fixed and is tied the line that will enter into the shield cover.
Further, the wire arranging unit 9 further includes a gear 907, an inner toothed ring 910 and a fixed cylinder 911, the gear 907 is disposed on a side surface of a top end of the electric lifting rod 908, the fixed cylinder 911 is disposed on an upper surface of the second motor 909, the fixed cylinder 911 is hollow, the inner toothed ring 910 is disposed on a side surface of an upper portion of an inner cavity of the fixed cylinder 911, the inner toothed ring 910 in the fixed cylinder 911 is in meshing connection with the gear 907, when a wire arrangement is required, the electric lifting rod 908 is lifted up to enable the gear 907 on the side surface of the top end of the electric lifting rod 908 to be no longer in meshing connection with the inner toothed ring 910 on the side surface of the upper portion of the inner cavity of the fixed cylinder 911, and after the wire arrangement is completed, the electric lifting rod 908 is lowered to enable the gear 907 on the side surface of the top end of the electric lifting rod 908 to be in meshing connection with the inner toothed ring 910 on the side.
Further, inner chamber lower surface middle part symmetry of shield cover body 1 is equipped with four heat conduction poles 6, the one end of heat conduction pole 6 runs through the inner chamber lower surface of shield cover body 1 and extends to the outside of shield cover body 1, and the one end that four heat conduction poles 6 are located the shield cover body 1 outside is connected the heating panel 14, the one end that heat conduction pole 6 is located the inner chamber of shield cover body 1 is equipped with circuit board 7, and the heat that produces circuit board 7 is derived to the outside fan hot plate 14 of shield cover body 1 and is guided the heat.
Further, still include heat dissipation frame support column 13, heat dissipation fan 15 and heat dissipation frame 16, heat dissipation frame support column 13 is totally four, the lower surface middle part of shield cover body 1 is evenly located and is located the outside in 14 four corners of heating panel to heat dissipation frame support column 13, the upper surface of heat dissipation frame support column 13 is equipped with heat dissipation frame 16, the inside of heat dissipation frame 16 is equipped with heat dissipation fan 15, the input of heat dissipation fan 15 is connected with singlechip 12's output electricity, carries out the forced air cooling to heating panel 14 and fans heat, has improved circuit board 7's radiating efficiency.
Further, still include handle 5, handle 5 is totally two, and both sides middle part around shield cover body 1 is located respectively to two handles 5, and two handle 5 position size correspond, make remove with open shield cover body 1 more convenient.
When in use: electric wires enter from the wire connection port 2, the triangular fan blades 17 in the wire connection port 2 fix the electric wires, then the electric wires pass through the wire collecting hole 8 and then pass through a through hole in the wire body guide block 10, the through groove in the top of one side of the wire arrangement barrel 902 in the wire arrangement unit 9 enters the inner cavity of the wire arrangement barrel 902 and is wound on the winding column 901, the single chip microcomputer commands the electric lifting rod 908 connected to the output end of the second motor 909 to ascend, so that the gear 907 in the side surface of the top end of the electric lifting rod 908 is not meshed with the inner toothed ring 910 in the side surface of the upper part of the inner cavity of the fixed barrel 911 any more, after the wire arrangement is completed, the electric lifting rod 908 descends, the gear 907 in the side surface of the top end of the electric lifting rod 908 is meshed with the inner toothed ring 910 in the side surface of the upper part of the inner cavity of the fixed barrel 911, the arranged electric wires are led out from the through groove in the top of the other side of the wire arrangement barrel 902 in the wire arrangement unit 9 The single chip microcomputer orders the electric lifting rod 908 connected on the output end of the second motor 909 to ascend so that the gear 907 on the side surface of the top end of the electric lifting rod 908 is not engaged and connected with the inner toothed ring 910 on the side surface of the upper part of the inner cavity of the fixed cylinder 911 any longer, after the wire arrangement is finished, the electric lifting rod 908 descends so that the gear 907 on the side surface of the top end of the electric lifting rod 908 is engaged and connected with the inner toothed ring 910 on the side surface of the upper part of the inner cavity of the fixed cylinder 911, the arranged electric wire is led out through the through groove on the top of the other side of the wire arrangement barrel 902, is led out to the outside of the shield body 1 through the through hole, the wire collection hole 8 and the wiring port 2 on the other wire guide block 10, finally the single chip microcomputer orders the first motor 906 to drive the connected fixed rod to rotate the wire arrangement barrel 902 on the base 903 so that the wire is fixed, the heat dissipation plate is led to the outside of, the singlechip signals the heat dissipation fan 15, so that the heat dissipation fan 15 performs enhanced heat dissipation on the heat dissipation plate 14, and the heat dissipation efficiency of the circuit board 7 is improved.
It should be noted that the specific model of the selected single chip microcomputer in this embodiment is siemens S7-200, the heat dissipation fan 15, the first motor 906 and the second motor 909 may be freely configured according to the actual application scenario, a 100-150mm cross flow fan dedicated for an air purifier is suggested to be selected, and the first motor 906 and the second motor 909 may be single-phase series motors produced by the tench motor products ltd of dongguan, preferably rotate at a speed of below 21000 rpm. The operation of the single chip microcomputer controlled heat dissipation fan 15, the electric lifting rod 908, the first motor 906 and the second motor 909 is performed by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An electromagnetic wave shielding mask with a wire arranging function is characterized in that: comprises a shielding case body (1) and a wire arranging unit (9),
shield case body (1): the shielding case body (1) is hollow, conductive rubber (4) is arranged on the surface of an inner cavity of the shielding case body (1), wiring ports (2) are arranged on the left side and the right side of the outer surface of the shielding case body (1), line collecting holes (8) are arranged on the left side and the right side of the surface of the inner cavity of the shielding case body (1), two guide block supporting columns (11) are symmetrically arranged on the left side and the right side of the lower surface of the inner cavity of the shielding case body (1), line body guide blocks (10) are arranged on the guide block supporting columns (11), and through holes in the wiring ports (2), the line collecting holes (8) and the line body guide blocks (10) are corresponding in position;
wire management unit (9): the wire arranging unit (9) comprises wire winding columns (901), a wire arranging barrel (902), two wire winding barrel bases (903), two grooves (904), a connecting rod (905), a first motor (906), an electric lifting rod (908), two second motors (909) and rollers (912), wherein the grooves (904) are symmetrically arranged in the middle of the lower surface of an inner cavity of the shielding case body (1) and are symmetrically arranged on two sides of a circuit board (7), a through hole is formed in the middle of each groove (904), the rollers (912) are uniformly arranged in each groove (904), the bottom end of each wire winding barrel base (903) is arranged in each groove (904), the wire winding barrel bases (903) are rotatably connected with the grooves (904) through the rollers (912), the wire arranging barrel (902) is arranged on the upper surface of each wire winding barrel base (903), the wire arranging barrel (902) is hollow, and through grooves are formed in two sides of the top of the wire arranging barrel (902), the middle part of the upper surface of the winding barrel base (903) is provided with a second motor (909), an output shaft of the second motor (909) is connected with one end of an electric lifting rod (908), the upper surface of the other end of the electric lifting rod (908) is provided with a winding post (901), threads are uniformly distributed on the surface of the winding post (901), the middle part of the lower surface of the winding barrel base (903) is provided with the top end of a connecting rod (905), the bottom end of the connecting rod (905) penetrates through the groove (904) and extends to the outer side of the lower surface of the shield cover body (1), the lower surface of the shield cover body (1) is fixed with a first motor (906), and an output shaft of the first motor (906) is connected with the bottom end of the connecting rod (905);
the shielding case is characterized by further comprising a single chip microcomputer (12), wherein the single chip microcomputer (12) is arranged on the left side of the lower surface of the shielding case body (1), and the output end of the single chip microcomputer (12) is electrically connected with the input ends of the first motor (906), the second motor (909) and the electric lifting rod (908) respectively.
2. The electromagnetic wave shielding mask with the wire organizing function as claimed in claim 1, wherein: the side wall of shield cover body (1) is equipped with the intermediate layer, be equipped with light steel in the intermediate layer and add thistle board (3), evenly be equipped with triangle-shaped fan piece (17) in wiring mouth (2).
3. The electromagnetic wave shielding mask with the wire organizing function as claimed in claim 1, wherein: the wire arranging unit (9) further comprises a gear (907), an inner toothed ring (910) and a fixed cylinder (911), the gear (907) is arranged on the side face of the top end of the electric lifting rod (908), the fixed cylinder (911) is arranged on the upper surface of the second motor (909), the fixed cylinder (911) is hollow, the inner toothed ring (910) is arranged on the side face of the upper portion of an inner cavity of the fixed cylinder (911), and the inner toothed ring (910) in the fixed cylinder (911) is meshed with the gear (907).
4. The electromagnetic wave shielding mask with the wire organizing function as claimed in claim 1, wherein: the inner chamber lower surface middle part symmetry of shield cover body (1) is equipped with four heat conduction poles (6), the one end of heat conduction pole (6) runs through the inner chamber lower surface of shield cover body (1) and extends to the outside of shield cover body (1), and four heat conduction poles (6) are located the one end in the shield cover body (1) outside and connect heating panel (14), the one end that heat conduction pole (6) are located shield cover body (1) inner chamber is equipped with circuit board (7).
5. The electromagnetic wave shielding mask with the wire organizing function as claimed in claim 4, wherein: still including heat dissipation frame support column (13), heat dissipation fan (15) and heat dissipation frame (16), heat dissipation frame support column (13) is four altogether, the lower surface middle part of shield cover body (1) is evenly located and is located the outside in heating panel (14) four corners in heat dissipation frame support column (13), the upper surface of heat dissipation frame support column (13) is equipped with heat dissipation frame (16), the inside of heat dissipation frame (16) is equipped with heat dissipation fan (15), the input of heat dissipation fan (15) is connected with the output electricity of singlechip (12).
6. The electromagnetic wave shielding mask with the wire organizing function as claimed in claim 1, wherein: still include handle (5), handle (5) are totally two, and two handle (5) are located the front and back both sides middle part of shield cover body (1) respectively, and two handle (5) position size correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875054.0U CN210075938U (en) | 2019-06-12 | 2019-06-12 | Electromagnetic wave shielding mask with wire arranging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875054.0U CN210075938U (en) | 2019-06-12 | 2019-06-12 | Electromagnetic wave shielding mask with wire arranging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210075938U true CN210075938U (en) | 2020-02-14 |
Family
ID=69457166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875054.0U Expired - Fee Related CN210075938U (en) | 2019-06-12 | 2019-06-12 | Electromagnetic wave shielding mask with wire arranging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210075938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113490330A (en) * | 2021-08-16 | 2021-10-08 | 南京高喜电子科技有限公司 | Method for reducing electromagnetic interference of printed circuit board and shielding equipment |
-
2019
- 2019-06-12 CN CN201920875054.0U patent/CN210075938U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113490330A (en) * | 2021-08-16 | 2021-10-08 | 南京高喜电子科技有限公司 | Method for reducing electromagnetic interference of printed circuit board and shielding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210075938U (en) | Electromagnetic wave shielding mask with wire arranging function | |
| CN210840503U (en) | Improved heat dissipation device for power controller | |
| CN211699932U (en) | Low-voltage load reactor heat abstractor | |
| CN201608627U (en) | Universal frequency converter | |
| CN212210860U (en) | DC-AC boosting power box | |
| CN214479625U (en) | Active power filter structure | |
| CN211429873U (en) | Computer service rack | |
| CN214927178U (en) | Mobile phone touch screen hot-pressing equipment | |
| CN206083214U (en) | High -efficient type cleaning machine of cable processing dedicated energy -conservation of production | |
| CN212392491U (en) | Frequency conversion type intelligent power control cabinet | |
| CN211456700U (en) | Combined filter capable of being connected in series | |
| CN211017918U (en) | Waterproof distribution box | |
| CN211209659U (en) | Solar energy collection flow box convenient to installation | |
| CN203722487U (en) | Off-grid inverter device | |
| CN218826568U (en) | Energy-saving rectifier transformer | |
| CN211428804U (en) | Computer room wiring structure | |
| CN217790123U (en) | NBIOT thing networking data acquisition is with built-in heat radiation structure's switch board | |
| CN216868999U (en) | Explosion-proof box | |
| CN214412114U (en) | Electrical engineering places case with cable that has dustproof function | |
| CN219642635U (en) | Heat abstractor for transformer | |
| CN214545101U (en) | Broadcast television equipment monitoring device | |
| CN219102935U (en) | Dampproof driver | |
| CN215344347U (en) | Frequency converter with temperature control cooling function | |
| CN215879031U (en) | Board machine is washed to circulation energy-conserving integrated circuit board | |
| CN219199095U (en) | LED lamp module with heat dissipation function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200214 |