CN112212918A - Sensor with good anti-interference signal effect - Google Patents
Sensor with good anti-interference signal effect Download PDFInfo
- Publication number
- CN112212918A CN112212918A CN202011067026.XA CN202011067026A CN112212918A CN 112212918 A CN112212918 A CN 112212918A CN 202011067026 A CN202011067026 A CN 202011067026A CN 112212918 A CN112212918 A CN 112212918A
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- China
- Prior art keywords
- wall
- sensor
- outer box
- shaft
- metal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition
Abstract
The invention discloses a sensor with good anti-interference signal effect, which comprises a metal outer box, a first clamping shaft and an anti-interference piece, wherein a sensor main body is arranged on the inner wall of the metal outer box, a circuit connecting port is arranged on the outer wall of the sensor main body, an upper block is arranged on the outer wall above the metal outer box, a positioning block is fixed at the top end of the upper block, an upper fixing hole is embedded in the inner wall of the positioning block, the first clamping shaft is connected to the right side of the metal outer box, a second clamping shaft is arranged on the left side of the metal outer box, the anti-interference piece is arranged on the inner wall of the metal outer box, and an angle clamping groove is arranged in the middle of the outer wall of. This sensor convenient to dismouting with prevent signal interference function is provided with the outer box of metal, and the inner wall size of the outer box of metal coincide with the outer wall size of sensor main part, and the sensor main part can closely laminate in the inner wall of the outer box of metal, and the sensor main part keeps firm in the inner wall of the outer box of metal, can not drop from the inner wall of the outer box of metal.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a sensor with good anti-interference signal effect.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into electric signals or other information in required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording and control, etc. the common method in the sensor detection circuit is to take corresponding measures to an interference path and a receiving circuit to eliminate or reduce noise interference, and a metal material is used to make a container, and a circuit needing protection is packed in the container, so that the interference of an electric field or a magnetic field can be effectively prevented.
Sensor in use who has the dismouting of being convenient for of preventing signal interference function in market, the sensor of the dismouting of being convenient for of general having the signal interference function of preventing, the operation is inconvenient, and interference effect is complicated, and is impractical, and the sensor of the dismouting of being convenient for of preventing signal interference function in market does not set up a plurality of fixed positions simultaneously, is not convenient for fix and dismouting, for this reason, we provide a sensor that anti-interference signal is effectual.
Disclosure of Invention
The invention aims to provide a sensor with good anti-interference signal effect, which solves the problems that the general sensor with the anti-signal interference function and convenient to disassemble and assemble, which is proposed in the background technology, is inconvenient to operate, has complex interference effect and is not practical, and meanwhile, the sensor with the anti-signal interference function and convenient to disassemble and assemble on the market is not provided with a plurality of fixed positions and is inconvenient to fix and disassemble.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an effectual sensor of anti-interference signal, includes outer box of metal, first card axle and anti-interference piece, the inner wall of the outer box of metal is settled there is the sensor main part, and the outer wall of sensor main part is provided with the circuit connector, the top outer wall of the outer box of metal is settled there is the upper segment, and the top of upper segment is fixed with the locating piece, the inner wall of locating piece is embedded to have last fixed orifices, first card hub connection is on the right side of the outer box of metal, and the left side of the outer box of metal settles and have second card axle, anti-interference piece sets up in the inner wall of the outer box of metal, and the outer wall middle part of the outer box of metal settles and have the card angle groove, the inner.
Preferably, the size of the inner wall of the metal outer box is matched with the size of the outer wall of the sensor main body, and the sensor main body is fixedly connected with the metal outer box.
Preferably, the inner wall of the upper block is tightly attached to the top end of the metal outer box, and the upper block and the positioning block are of a welding integrated structure.
Preferably, the vertical central line of the upper fixing hole coincides with the vertical central line of the positioning block, and the number of the upper fixing holes is 2.
Preferably, the second card axle includes connecting axle, interior axle, outer axle and locating hole, and the top right side of connecting axle is fixed with interior axle, the below right side of connecting axle settles and has the outer axle, and the terminal below of outer axle is provided with the locating hole.
Preferably, the left outer wall of the inner shaft is in a bevel structure, and the length of the inner shaft is consistent with that of the outer shaft.
Preferably, the corner clamping groove is of a symmetrical structure relative to the metal outer box, and the inner wall of the corner clamping groove is consistent with the outer wall of the inner shaft in size.
Preferably, the size of the left side of the anti-interference piece is consistent with that of the outer wall of the right side of the chamfer, and the anti-interference piece is adhered to the inner wall of the metal outer box.
Preferably, the number of the line connecting ports is 5, the line connecting ports are of a through hole circular structure, and rubber rings are bonded on the inner walls of the line connecting ports.
Compared with the prior art, the invention has the beneficial effects that: the sensor with the signal interference prevention function and convenient to disassemble and assemble is provided with the metal outer box, the size of the inner wall of the metal outer box is matched with the size of the outer wall of the sensor main body, the sensor main body can be tightly attached to the inner wall of the metal outer box, the sensor main body is stably arranged in the inner wall of the metal outer box and cannot fall off from the inner wall of the metal outer box, meanwhile, the sensor main body can be directly separated from the metal outer box, and the sensor main body is directly clamped and fixed in the metal outer box, so that the sensor main body is convenient to maintain and adjust, and later-stage adjustment and maintenance are convenient;
the inner wall of the upper block is tightly attached to the top end of the metal outer box, the upper block has a clamping function on the metal outer box, and the upper block is attached to the upper outer wall and the lower outer wall of the metal outer box to fix and clamp the metal outer box, so that the stability of the structure is improved, the protection is increased, and the structure is integrated, so that the structure between the upper block and the positioning block is firmer, and the tidiness and the attractiveness of the appearance are kept;
the device is also provided with a second clamping shaft, the second clamping shaft comprises a connecting shaft, an inner shaft, an outer shaft and a positioning hole, the connecting shaft plays a role of connecting the inner shaft and the outer shaft, the inner shaft is used for being connected and fixed with the inner side wall of the metal outer box, the outer shaft is used for carrying out attaching clamping on the outer side wall of the connected metal outer box, the connection stability is provided, the positioning hole is used for fixing the second clamping shaft and a placement position, the outer wall on the left side of the inner shaft is of an inclined plane structure, a bulge with a certain gradient is formed below the inner shaft, when the inner shaft is connected with the corner clamping groove, the outer wall can be connected with the radian of the inner wall of the corner clamping groove in an attaching mode, the connection is more tightly attached, when the lengths of the inner shaft and the outer shaft are consistent;
the middle part of the outer wall of the metal outer box is provided with two corner clamping grooves, the two corner clamping grooves are respectively arranged at two sides of the metal outer box and provide connecting positions for a first clamping shaft and a second clamping shaft at two sides, the size of the inner wall of each corner clamping groove is consistent with that of the outer wall of the inner shaft, the inner shaft is more compact and firm after being connected, when the first clamping shaft and the second clamping shaft at two sides provide support and fixation for the metal outer box, enough support force can be provided, the anti-interference piece is attached to the right-angle outer wall of the chamfer and is arranged to keep the same angle with the outer wall of the chamfer, the sensor main body is arranged in the inner wall, two sides can be attached to the outer wall of the chamfer and fixed, the anti-interference piece is fixed to the inner wall of the metal outer box in an adhesion mode, no gap exists between the anti-interference piece and the anti-interference piece, the outer wall of the anti, and the circuit connector is the circular structure of through-hole, and the inner wall bonding of circuit connector has the rubber circle, and the rubber circle can protect the circuit, avoids the circuit impaired.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a partial structural diagram of an upper block according to the present invention;
FIG. 3 is a partial schematic view of a second shaft according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the first shaft according to the present invention.
In the figure: 1. a metal outer box; 2. a sensor body; 3. a line connector; 4. loading blocks; 5. positioning blocks; 6. an upper fixing hole; 7. a first chuck shaft; 8. a second chuck shaft; 801. a connecting shaft; 802. an inner shaft; 803. an outer shaft; 804. positioning holes; 9. an anti-interference sheet; 10. a corner clamping groove; 11. and (6) chamfering.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a sensor with good anti-interference signal effect comprises a metal outer box 1, a first clamping shaft 7 and an anti-interference sheet 9, wherein a sensor main body 2 is arranged on the inner wall of the metal outer box 1, a circuit connecting port 3 is arranged on the outer wall of the sensor main body 2, the size of the inner wall of the metal outer box 1 is matched with that of the outer wall of the sensor main body 2, the sensor main body 2 is fixedly connected with the metal outer box 1, the size of the inner wall of the metal outer box 1 is matched with that of the outer wall of the sensor main body 2, the sensor main body 2 can be tightly attached to the inner wall of the metal outer box 1, when the sensor main body 2 is arranged in the inner wall of the metal outer box 1, the sensor main body 2 is kept stable and cannot fall off from the inner wall of the metal outer box 1, meanwhile, the sensor main body 2 can be directly separated from the metal outer box 1, and the sensor main body 2 is directly clamped, the sensor main body 2 is wrapped in the metal outer box 1, so that interference of an electric field or a magnetic field can be effectively prevented, an external magnetic field is shielded, the sensor main body 2 is provided with an anti-interference structure, 5 line connecting ports 3 are arranged, the line connecting ports 3 are of a through hole circular structure, rubber rings are bonded on the inner wall of the line connecting ports 3, the rubber rings can protect lines, and the lines are prevented from being damaged;
an upper block 4 is arranged on the outer wall above the metal outer box 1, a positioning block 5 is fixed at the top end of the upper block 4, the inner wall of the upper block 4 is tightly attached to the top end of the metal outer box 1, a welding integrated structure is formed between the upper block 4 and the positioning block 5, the inner wall of the upper block 4 is tightly attached to the top end of the metal outer box 1, the upper block 4 forms a clamping function on the metal outer box 1, the upper block 4 is fixedly clamped by being attached to the upper outer wall and the lower outer wall of the metal outer box 1, the structure stability is improved, the protection is increased, and the integrated structure ensures that the upper block 4 and the positioning block 5 are firmer in structure and keeps the appearance neat and attractive;
an upper fixing hole 6 is embedded in the inner wall of the positioning block 5, the vertical center line of the upper fixing hole 6 is overlapped with the vertical center line of the positioning block 5, 2 upper fixing holes 6 are arranged, the upper fixing hole 6 is located in the middle position and further located in the middle of the whole device due to the fact that the vertical center line of the upper fixing hole 6 is overlapped with the vertical center line of the positioning block 5, two sides of the device are kept balanced after the device is fixed, the sensor cannot incline, and 2 upper fixing holes 6 are arranged to provide fixing positions for the upper side and the lower side of the device, and the device is fixed more firmly;
the first clamping shaft 7 is connected to the right side of the metal outer box 1, a second clamping shaft 8 is arranged on the left side of the metal outer box 1, the second clamping shaft 8 comprises a connecting shaft 801, an inner shaft 802, an outer shaft 803 and a positioning hole 804, the inner shaft 802 is fixed on the right side above the connecting shaft 801, the outer shaft 803 is arranged on the right side below the connecting shaft 801, the positioning hole 804 is arranged below the tail end of the outer shaft 803, the connecting shaft 801 plays a role of connecting the inner shaft 802 and the outer shaft 803, the inner shaft 802 is used for being connected and fixed with the inner wall of the side face of the metal outer box 1, the outer shaft 803 carries out attaching clamping on the outer wall of the side face of the connected metal outer box 1 to provide the stability of connection, the positioning hole 804 is used for fixing the second clamping shaft 8 and the arranging position, the outer wall of the left side of the inner shaft 802 is in an inclined plane structure, the length of the inner shaft 802 is, when the metal outer box is connected with the corner clamping groove 10, the connection can be attached to the radian of the inner wall of the corner clamping groove 10, so that the connection is more tightly attached, and when the lengths of the inner shaft 802 and the outer shaft 803 are kept consistent, the side fixed position can be clamped and protected, so that the side outer wall protection performance of the metal outer box 1 is improved;
the anti-interference piece 9 is arranged on the inner wall of the metal outer box 1, the corner clamping grooves 10 are arranged in the middle of the outer wall of the metal outer box 1, the corner clamping grooves 10 are of a symmetrical structure relative to the metal outer box 1, the size of the inner wall of each corner clamping groove 10 is consistent with that of the outer wall of the inner shaft 802, two corner clamping grooves 10 are arranged on two sides of the metal outer box 1 respectively and provide connecting positions for the first clamping shaft 7 and the second clamping shaft 8 on two sides, the size of the inner wall of each corner clamping groove 10 is consistent with that of the outer wall of the inner shaft 802, the inner shaft 802 is more compact and firm after being connected, when the first clamping shaft 7 and the second clamping shaft 8 on two sides provide support and fix for the metal outer box 1, enough support force can be provided, the size of the left side of the anti-interference piece 9 is consistent with that of the right side of the chamfer 11, the anti-interference piece 9 is adhered to the inner wall of the metal outer box 1, the size, make anti-interference piece 9 laminate the right angle outer wall of chamfer 11 and settle, keep same angle with the outer wall of chamfer 11, let sensor main part 2 settle in the inner wall, 11 outer walls of chamfer that can laminate in both sides are fixed, and anti-interference piece 9 adopts adhesion mode and metal outer box 1 inner wall fixed, make there be not the clearance between the two, keep the level and smooth of anti-interference piece 9 outer wall, do not occupy the position that sensor main part 2 settled, be convenient for fixed, the inner wall middle part of metal outer box 1 is provided with chamfer 11.
The working principle is as follows: for the sensor with the function of preventing signal interference and convenient to disassemble and assemble, the sensor main body 2 is arranged in the inner wall of the metal outer box 1 to be kept stable, the sensor main body 2 is directly clamped and fixed in the metal outer box 1, 5 line connecting ports 3 are arranged, the line connecting ports 3 are of a through hole circular structure, rubber rings are bonded on the inner wall of the line connecting ports 3 and can protect lines to avoid the lines from being damaged, meanwhile, the two sides of the outer wall of the sensor main body 2 are bonded with anti-interference pieces 9 which are bonded on the outer walls of chamfers 11 on the two sides of the inner wall of the metal outer box 1, the anti-interference pieces 9 are made of metal materials, the structural strength of the metal outer box 1 is improved, the anti-interference performance of the device is further enhanced by improving the shielding effect of the device, the line 3 on the outer wall of the sensor main body 2 is connected with sensor lines, and the fixed, utilize the screw to fix through last fixed orifices 6, and then fix the device and settle, insert the both sides of outer box 1 of metal with the first calorie of axle 7 and the second calorie of axle 8 of both sides at last, insert in the card angle groove 10 through interior axle 802 in the second calorie of axle 8, thereby fix second calorie of axle 8 on the right side of outer box 1 of metal, fix it through locating hole 804 in outer axle 803 at last, accomplish the arrangement of second calorie of axle 8, the same reason is also so for first calorie of axle 7, finally fix the device in the position of use, just the professional has been accomplished the whole use process that has the sensor of the dismouting of being convenient for of preventing signal interference function.
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 (9)
1. The utility model provides an effectual sensor of anti-interference signal, includes outer box (1), first calorie of axle (7) and anti-interference piece (9) of metal, its characterized in that: the inner wall of the metal outer box (1) is settled with a sensor main body (2), the outer wall of the sensor main body (2) is provided with a circuit connector (3), the upper outer wall of the metal outer box (1) is settled with an upper block (4), a positioning block (5) is fixed on the top end of the upper block (4), an upper fixing hole (6) is embedded in the inner wall of the positioning block (5), a first clamping shaft (7) is connected to the right side of the metal outer box (1), a second clamping shaft (8) is settled on the left side of the metal outer box (1), an anti-interference piece (9) is arranged on the inner wall of the metal outer box (1), a clamping corner groove (10) is settled in the middle of the outer wall of the metal outer box (1), and a chamfer (11) is arranged in the middle of the inner wall of the metal outer.
2. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the size of the inner wall of the metal outer box (1) is matched with the size of the outer wall of the sensor main body (2), and the sensor main body (2) is fixedly connected with the metal outer box (1).
3. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the inner wall of the upper block (4) is tightly attached to the top end of the metal outer box (1), and the upper block (4) and the positioning block (5) are of a welding integrated structure.
4. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the vertical central line of the upper fixing hole (6) is superposed with the vertical central line of the positioning block (5), and 2 upper fixing holes (6) are arranged.
5. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the second clamping shaft (8) comprises a connecting shaft (801), an inner shaft (802), an outer shaft (803) and a positioning hole (804), the inner shaft (802) is fixed on the right side above the connecting shaft (801), the outer shaft (803) is arranged on the right side below the connecting shaft (801), and the positioning hole (804) is formed in the lower portion of the tail end of the outer shaft (803).
6. The sensor of claim 5, wherein the sensor is configured to reject signals with good efficiency: the left outer wall of the inner shaft (802) is in a bevel structure, and the length of the inner shaft (802) is consistent with that of the outer shaft (803).
7. The sensor of claim 5, wherein the sensor is configured to reject signals with good efficiency: the corner clamping groove (10) is of a symmetrical structure relative to the metal outer box (1), and the size of the inner wall of the corner clamping groove (10) is consistent with that of the outer wall of the inner shaft (802).
8. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the left side of the anti-interference piece (9) is the same as the right side outer wall of the chamfer (11), and the anti-interference piece (9) is adhered to the inner wall of the metal outer box (1).
9. The sensor of claim 1, wherein the sensor is configured to reject signals with good efficiency: the circuit connector (3) is provided with 5, the circuit connector (3) is of a through hole circular structure, and a rubber ring is bonded on the inner wall of the circuit connector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011067026.XA CN112212918A (en) | 2020-10-04 | 2020-10-04 | Sensor with good anti-interference signal effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011067026.XA CN112212918A (en) | 2020-10-04 | 2020-10-04 | Sensor with good anti-interference signal effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112212918A true CN112212918A (en) | 2021-01-12 |
Family
ID=74052777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011067026.XA Withdrawn CN112212918A (en) | 2020-10-04 | 2020-10-04 | Sensor with good anti-interference signal effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN112212918A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026375A (en) * | 2003-06-30 | 2005-01-27 | Matsushita Electric Works Ltd | Circuit board with shield, and acceleration sensor using the same |
| CN206378796U (en) * | 2017-01-20 | 2017-08-04 | 江门市捷思通电子科技有限公司 | A kind of super anti-interference infrared conference host |
| US20180242480A1 (en) * | 2017-02-17 | 2018-08-23 | Honeywell International Inc. | Shield cover for particle sensor to improve electromagnetic interference performance |
| CN109932068A (en) * | 2017-12-15 | 2019-06-25 | 上海蒙毅实业有限公司 | A kind of anti-interference digital temperature sensor |
| CN209372110U (en) * | 2019-03-12 | 2019-09-10 | 北京昆仑海岸传感技术有限公司 | One kind being used for the jamproof housing of humiture transducer |
| CN210464651U (en) * | 2019-09-16 | 2020-05-05 | 杭州知愚科技有限公司 | Weighing and force measuring transmitter with good anti-interference performance |
| CN210608904U (en) * | 2019-11-27 | 2020-05-22 | 山东航宇吉力电子有限公司 | Voltage and frequency stabilization power supply with anti-interference performance |
| CN211321752U (en) * | 2020-01-03 | 2020-08-21 | 深圳市中正仁和电子有限公司 | Power adapter with anti-interference function |
-
2020
- 2020-10-04 CN CN202011067026.XA patent/CN112212918A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026375A (en) * | 2003-06-30 | 2005-01-27 | Matsushita Electric Works Ltd | Circuit board with shield, and acceleration sensor using the same |
| CN206378796U (en) * | 2017-01-20 | 2017-08-04 | 江门市捷思通电子科技有限公司 | A kind of super anti-interference infrared conference host |
| US20180242480A1 (en) * | 2017-02-17 | 2018-08-23 | Honeywell International Inc. | Shield cover for particle sensor to improve electromagnetic interference performance |
| CN109932068A (en) * | 2017-12-15 | 2019-06-25 | 上海蒙毅实业有限公司 | A kind of anti-interference digital temperature sensor |
| CN209372110U (en) * | 2019-03-12 | 2019-09-10 | 北京昆仑海岸传感技术有限公司 | One kind being used for the jamproof housing of humiture transducer |
| CN210464651U (en) * | 2019-09-16 | 2020-05-05 | 杭州知愚科技有限公司 | Weighing and force measuring transmitter with good anti-interference performance |
| CN210608904U (en) * | 2019-11-27 | 2020-05-22 | 山东航宇吉力电子有限公司 | Voltage and frequency stabilization power supply with anti-interference performance |
| CN211321752U (en) * | 2020-01-03 | 2020-08-21 | 深圳市中正仁和电子有限公司 | Power adapter with anti-interference function |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210112 |