CN111725661A - Digital information transmission data line connection anti-pulling fixing device - Google Patents

Digital information transmission data line connection anti-pulling fixing device Download PDF

Info

Publication number
CN111725661A
CN111725661A CN202010624797.8A CN202010624797A CN111725661A CN 111725661 A CN111725661 A CN 111725661A CN 202010624797 A CN202010624797 A CN 202010624797A CN 111725661 A CN111725661 A CN 111725661A
Authority
CN
China
Prior art keywords
fixedly connected
data line
information transmission
digital information
fixing device
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.)
Withdrawn
Application number
CN202010624797.8A
Other languages
Chinese (zh)
Inventor
杨象治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010624797.8A priority Critical patent/CN111725661A/en
Publication of CN111725661A publication Critical patent/CN111725661A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205Two-part coupling devices held in engagement by a magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The utility model provides a fixing device is prevented mistake by digital information transmission data line connection and pulls out, relates to digital information transmission technical field, which comprises a housin, the top of casing and the equal fixedly connected with electromagnet of bottom inner wall, the inner wall of casing and the inboard fixedly connected with spring that is close to the electromagnet, the inboard fixedly connected with of spring medium plate one, the middle part fixedly connected with magnetic path of medium plate one, the inboard fixedly connected with of medium plate one leads electrical pillar. This fixing device is prevented mistake and is pulled out in digital information transmission data line connection, cooperation through rubber slab and draw-in groove is used, the connector is pegged graft the back with the casing, when equipment is at work, at this moment the electromagnet just can work, the magnetic path receives like-pole repulsion effort and drives the dielectric plate and removes inboard earlier on, make the rubber slab inflation and with the draw-in groove joint, and the electrorheological fluids in the final rubber slab can become solid-state, strengthen the joint effect, thereby the effect of preventing mistake and pulling out has been reached, the stability of data line has been improved, transmission quality is improved.

Description

Digital information transmission data line connection anti-pulling fixing device
Technical Field
The invention relates to the technical field of digital information transmission, in particular to a connecting anti-pulling fixing device for a digital information transmission data line.
Background
Digital signaling refers to the manner in which digital signaling payload messages are transmitted. The method comprises the following steps of (1) sub-baseband transmission and carrier transmission, wherein the former is that digital signals are directly transmitted in a baseband; the latter is to modulate the carrier wave with digital signal and transmit in the form of band-pass signal, and the indexes for measuring the effectiveness of the digital transmission system are the signaling rate, i.e. the average information amount transmitted per unit time in a unit frequency band, the selection of line code pattern, the adoption of narrow-band high-efficiency digital modulation technique and the application of frequency division, time division and code division multiplexing technique all affect the effectiveness of the digital transmission system.
Present digital information transmission is mostly transmitted through the data line, and the transmission mode of data line is more stable, makes transmission quality obtain effectual assurance, but present data line in the use, often can meet some problems, because present data line is pegged graft, lead to the data line to drop from the connector easily, lead to the digital information transmission disconnection, influence the normal use of equipment, it is troublesome to bring many unnecessary, has reduced the practicality.
Therefore, we have proposed a digital information transmission data line connection prevents mistake and pulls out fixing device and solve above problem, uses through the cooperation of rubber slab and draw-in groove, has reached the effect of preventing mistake and pulling out, has improved the stability of data line, has improved transmission quality, uses through the cooperation of resistance one and resistance two, has reached the effect of saving electric power resource, has effectively guaranteed that the joint of data line is stable, has improved the practicality.
Disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: a fixing device for preventing digital information transmission data line from being pulled out by mistake in connection comprises a shell, wherein electromagnets are fixedly connected to the inner walls of the top and the bottom of the shell, springs are fixedly connected to the inner walls of the shell, which are close to the electromagnets, the inner sides of the springs are fixedly connected with a first dielectric plate, a magnetic block is fixedly connected to the middle of the first dielectric plate, a conductive column is fixedly connected to the inner side of the first dielectric plate, a rubber plate is fixedly connected to the inner wall of the shell, which is close to the first dielectric plate, the inner wall of the shell, which is close to the right side of the first dielectric plate, is fixedly connected with the inner wall of a first shell, which is an anode, and is fixedly connected to the left side of the first dielectric plate, a first resistor which is electrically connected with the anode, is fixedly connected to the inner wall of the right side, the bottom inner wall fixedly connected with of casing and the anodal two of negative pole diphasic symmetry, the right side swing joint of casing has the connector, and the draw-in groove has all been seted up to the left top of connector and bottom, and the inner wall fixedly connected with of connector has dielectric plate two.
The invention has the following beneficial effects:
1. this fixing device is prevented mistake and is pulled out in digital information transmission data line connection, cooperation through rubber slab and draw-in groove is used, the connector is pegged graft the back with the casing, when equipment is at work, at this moment the electromagnet just can work, the magnetic path receives like-pole repulsion effort and drives the dielectric plate and removes inboard earlier on, make the rubber slab inflation and with the draw-in groove joint, and the electrorheological fluids in the final rubber slab can become solid-state, strengthen the joint effect, thereby the effect of preventing mistake and pulling out has been reached, the stability of data line has been improved, transmission quality is improved.
2. This fixing device is prevented mistake pulling out by digital information transmission data line connection, use through the cooperation of resistance one and resistance two, when the connector does not insert the knot, when equipment is opened, it is in the power off state to lead electrical pillar, and the electromagnet also is in the state of opening a circuit simultaneously, and the connector is pegged graft the back, and opening equipment, at this moment lead electrical pillar and just be in the on-state, and the electromagnet also just is in the on-state simultaneously to reached power saving resources's effect, the joint of effectively having guaranteed the data line is stable, has improved the practicality.
Furthermore, the shell is made of hard high-strength materials and does not have conductivity and magnetic conductivity, the magnetism of the inner side of the electromagnet is the same as that of the outer side of the magnetic block, and the size of the electromagnet is smaller than that of the shell.
Further, the spring is a compression spring, the diameter of the spring is smaller than the width of the first dielectric plate, the shape of the first dielectric plate is cuboid, and the height of the first dielectric plate is the same as that of the first positive electrode.
Further, the magnetic block is made of a rubidium magnet material and is rectangular, the conductive column is made of a copper material and is cylindrical, the rubber plate is made of a soft rubber material and is rectangular.
Further, the first resistor is a voltage dependent resistor, the minimum path voltage of the first resistor is smaller than the maximum circuit voltage passing through the first cathode, and the second resistor is a voltage dependent resistor, the maximum path voltage of the second resistor is larger than the minimum circuit voltage passing through the second cathode.
Further, the material of connector is stereoplasm high strength material and the connector does not have the magnetic conductivity, the shape of draw-in groove is the size that the degree of depth of arc and draw-in groove is less than the connector.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of a moving structure of the dielectric plate according to the present invention;
FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.
In the figure: 1. a housing; 2. an electromagnet; 3. a spring; 4. a first dielectric plate; 5. a magnetic block; 6. a conductive post; 7. a rubber plate; 8. a first positive electrode; 9. a first cathode; 10. a first resistor; 11. a second resistor; 12. a second cathode; 13. a second positive electrode; 14. a connector; 15. a card slot; 16. and a second dielectric plate.
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. 1-4, a digital information transmission data line connection anti-pulling fixing device includes a housing 1, the housing 1 plays a role of fixing each component, the material of the housing 1 is hard high-strength material and the housing 1 does not have conductivity and magnetic permeability, the magnetism of the inner side of the electromagnet 2 is the same as the magnetism of the outer side of the magnetic block 5 and the size of the electromagnet 2 is smaller than the size of the housing 1, the inner walls of the top and the bottom of the housing 1 are both fixedly connected with the electromagnet 2, the electromagnet 2 plays a role of magnetic transmission, the inner wall of the housing 1 and the inner side close to the electromagnet 2 are fixedly connected with a spring 3, the spring 3 plays a role of contracting a dielectric plate one 4, the spring 3 is a compression spring and the diameter of the spring 3 is smaller than the width of the dielectric plate one 4, the dielectric plate one 4 is rectangular and the height of the dielectric plate one 4 is the same, the inner side of the spring 3 is fixedly connected with a dielectric plate 4, and the dielectric plate 4 plays a role of changing the magnitude of the circuit voltage passing through the negative pole 9.
The middle of the dielectric plate I4 is fixedly connected with a magnetic block 5, the magnetic block 5 plays a role in magnetic transmission, the magnetic block 5 is made of rubidium magnet material, the magnetic block 5 is cuboid in shape, the conductive column 6 is made of copper material, the conductive column 6 is cylindrical in shape, the rubber plate 7 is made of soft rubber material, the rubber plate 7 is cuboid in shape, the conductive column 6 is fixedly connected to the inner side of the dielectric plate I4, the conductive column 6 plays a role in changing the state of electrorheological fluid, the rubber plate 7 is fixedly connected to the inner wall of the shell 1 and the inner side close to the dielectric plate I4, electrorheological fluid is movably connected to the inner side of the rubber plate 7, the electrorheological fluid is solid when electrified and is liquid when not electrified, the inner wall of the shell 1 and the right side close to the dielectric plate I4 are fixedly connected with an anode I8, the inner wall of the shell 1 and the left side close to the dielectric plate I4, negative pole one 9 and positive pole one 8 together play a role in changing the magnitude of the circuit voltage, and according to the expression of C ═ S/d ═ rS/4 π kd, it can be known that the magnitude of the capacitance can be determined when the relative area size of positive pole one 8 and negative pole one 9 is large, and the larger the capacitance is, the larger the voltage passing through negative pole one 9 is.
The inner wall of the shell 1 is fixedly connected with a first resistor 10 electrically connected with a first cathode 9, the first resistor 10 plays a role in controlling the opening and closing of the conductive column 6, the first resistor 10 is a piezoresistor, the minimum path voltage of the first resistor 10 is smaller than the maximum circuit voltage passing through the first cathode 9, the second resistor 11 is a piezoresistor, the maximum path voltage of the second resistor 11 is larger than the minimum circuit voltage passing through a second cathode 12, the right inner wall of the top of the shell 1 is fixedly connected with a second resistor 11, the second resistor 11 plays a role in controlling the opening and closing of the electromagnet 2, the right side of the top inner wall of the shell 1, which is close to the first anode 8, is fixedly connected with a second cathode 12, the bottom inner wall of the shell 1 is fixedly connected with a second anode 13 which is symmetrical to the second cathode 12, and according to the expression that C is S/d rS/4 pi kd, the relative area size of the second anode 13 and the second, and the electric capacity is bigger, the voltage through the second negative electrode 12 is bigger, the right side swing joint of the shell 1 is provided with the connector 14, the connector 14 plays a role in fixing each part, the material of the connector 14 is hard high-strength material and the connector 14 does not have magnetic conductivity, the shape of the clamping groove 15 is arc-shaped, the depth of the clamping groove 15 is smaller than the size of the connector 14, the clamping groove 15 is formed in the top and the bottom of the left side of the connector 14, the clamping groove 15 plays a role in limiting the movement of the connector 14, and the inner wall of the connector 14 is fixedly connected with a second dielectric.
The working principle is as follows: the device is turned on, when the connector 14 is not inserted into the housing 1, the dielectric plate one 4 is in a contraction state under the action of the spring 3, the dielectric plate one 4 reduces the relative area of the positive electrode one 8 and the negative electrode one 9 to the minimum, the circuit voltage passing through the negative electrode one 9 is smaller than the minimum on-circuit voltage of the resistor one 10, so that the conductive column 6 is in a power-off state, the electrorheological fluid is in a liquid state, the relative area of the positive electrode two 13 and the negative electrode two 12 is at the maximum, the circuit voltage passing through the negative electrode two 12 is larger than the maximum on-circuit voltage of the resistor two 11, and the electromagnet 2 is in an off-circuit state;
when the connector 14 is inserted into the housing 1, the relative area of the two positive electrodes 13 and the two negative electrodes 12 is reduced to the minimum by the second dielectric plate 16 in the connector 14, at this time, the circuit voltage of the second negative electrode 12 is smaller than the maximum path voltage of the second resistor 11, so that the electromagnet 2 is in a power-on state and generates the same magnetism as the outside of the magnetic block 5, at this time, the magnetic block 5 is moved inward by the action force of like-pole repulsion, and the first dielectric plate 4 is driven to move inward to the innermost side, so that the electrorheological fluid is squeezed, and the rubber plate 7 is expanded and attached to the card slot 15, when the relative area of the first positive electrode 8 and the first negative electrode 9 is reduced to the maximum by the first dielectric plate 4, at this time, the circuit voltage of the first negative electrode 9 is larger than the minimum path voltage of the first resistor 10, so that the conductive post 6 is in a path state, so that the electro, the stable connection of the connector 14 is ensured, and the error extraction is effectively prevented.
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 (8)

1. The utility model provides a digital information transmission data line connection prevents mistake and pulls out fixing device, includes casing (1), its characterized in that: the electromagnetic switch is characterized in that electromagnets (2) are fixedly connected to the inner walls of the top and the bottom of the shell (1), springs (3) are fixedly connected to the inner walls of the shell (1) and close to the inner sides of the electromagnets (2), dielectric plates I (4) are fixedly connected to the inner sides of the springs (3), magnetic blocks (5) are fixedly connected to the middle portions of the dielectric plates I (4), conductive posts (6) are fixedly connected to the inner sides of the dielectric plates I (4), rubber plates (7) are fixedly connected to the inner walls of the shell (1) and close to the inner sides of the dielectric plates I (4), positive poles I (8) are fixedly connected to the inner walls of the shell (1) and close to the right sides of the dielectric plates I (4), negative poles I (9) are fixedly connected to the inner walls of the shell (1), resistors I (10) are electrically connected to the negative poles I (9) are fixedly connected, the utility model discloses a lead acid battery, including casing (1), the top right side inner wall fixedly connected with resistance two (11) of casing (1), the top inner wall of casing (1) just is close to the right side fixedly connected with negative pole two (12) of anodal one (8), the bottom inner wall fixedly connected with of casing (1) and anodal two (13) symmetrical with negative pole two (12), the right side swing joint of casing (1) has connector (14), draw-in groove (15) have all been seted up to the left top of connector (14) and bottom, the inner wall fixedly connected with of connector (14) has dielectric plate two (16).
2. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the shell (1) is made of hard high-strength materials, and the shell (1) does not have conductivity and magnetic conductivity.
3. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the magnetism of the inner side of the electromagnet (2) is the same as that of the outer side of the magnetic block (5), and the size of the electromagnet (2) is smaller than that of the shell (1).
4. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the spring (3) is a compression spring, and the diameter of the spring (3) is smaller than the width of the dielectric plate I (4).
5. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the shape of the dielectric plate I (4) is cuboid, and the height of the dielectric plate I (4) is the same as that of the positive electrode I (8).
6. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the magnetic block (5) is made of a rubidium magnet material, the magnetic block (5) is cuboid, the conductive column (6) is made of a copper material, the conductive column (6) is cylindrical, the rubber plate (7) is made of a soft rubber material, and the rubber plate (7) is cuboid.
7. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the first resistor (10) is a voltage dependent resistor, the minimum path voltage of the first resistor (10) is smaller than the maximum circuit voltage passing through the first cathode (9), the second resistor (11) is a voltage dependent resistor, and the maximum path voltage of the second resistor (11) is larger than the minimum circuit voltage passing through the second cathode (12).
8. The digital information transmission data line connection anti-pulling fixing device of claim 1, characterized in that: the material of connector (14) is stereoplasm high strength material and connector (14) do not have the magnetic conductivity, the shape of draw-in groove (15) is the size that the degree of depth of arc and draw-in groove (15) is less than connector (14).
CN202010624797.8A 2020-07-02 2020-07-02 Digital information transmission data line connection anti-pulling fixing device Withdrawn CN111725661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010624797.8A CN111725661A (en) 2020-07-02 2020-07-02 Digital information transmission data line connection anti-pulling fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010624797.8A CN111725661A (en) 2020-07-02 2020-07-02 Digital information transmission data line connection anti-pulling fixing device

Publications (1)

Publication Number Publication Date
CN111725661A true CN111725661A (en) 2020-09-29

Family

ID=72571094

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010624797.8A Withdrawn CN111725661A (en) 2020-07-02 2020-07-02 Digital information transmission data line connection anti-pulling fixing device

Country Status (1)

Country Link
CN (1) CN111725661A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397931A (en) * 2020-11-06 2021-02-23 杭州久协科技有限公司 Computer peripheral equipment connects fixing device
CN112542732A (en) * 2020-12-16 2021-03-23 杭州嘟论物联网科技有限公司 Quick connecting device for data line of computer USB connecting equipment
CN112864714A (en) * 2021-01-05 2021-05-28 傅海波 Automatic pop-up anti-loosening connector
CN113540895A (en) * 2021-08-04 2021-10-22 江西江铃秦川电器有限公司 Terminal plug-in induction instrument

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110445298A (en) * 2019-08-23 2019-11-12 杭州芯意智能科技有限公司 A kind of centrifugation protection electromagnetic adsorption type electric current change glass-frame riser motor
CN110808504A (en) * 2019-11-19 2020-02-18 俞洁 Anti-mispull control switch utilizing electro-rheological principle
CN110943343A (en) * 2019-12-18 2020-03-31 李德昌 Waterproof power socket based on electromagnetic control and capacitance change
CN110994263A (en) * 2019-12-18 2020-04-10 郑贤会 Self-locking socket and plug based on capacitance change
CN111564725A (en) * 2020-05-20 2020-08-21 吴才远 Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110445298A (en) * 2019-08-23 2019-11-12 杭州芯意智能科技有限公司 A kind of centrifugation protection electromagnetic adsorption type electric current change glass-frame riser motor
CN110808504A (en) * 2019-11-19 2020-02-18 俞洁 Anti-mispull control switch utilizing electro-rheological principle
CN110943343A (en) * 2019-12-18 2020-03-31 李德昌 Waterproof power socket based on electromagnetic control and capacitance change
CN110994263A (en) * 2019-12-18 2020-04-10 郑贤会 Self-locking socket and plug based on capacitance change
CN111564725A (en) * 2020-05-20 2020-08-21 吴才远 Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397931A (en) * 2020-11-06 2021-02-23 杭州久协科技有限公司 Computer peripheral equipment connects fixing device
CN112542732A (en) * 2020-12-16 2021-03-23 杭州嘟论物联网科技有限公司 Quick connecting device for data line of computer USB connecting equipment
CN112864714A (en) * 2021-01-05 2021-05-28 傅海波 Automatic pop-up anti-loosening connector
CN113540895A (en) * 2021-08-04 2021-10-22 江西江铃秦川电器有限公司 Terminal plug-in induction instrument

Similar Documents

Publication Publication Date Title
CN111725661A (en) Digital information transmission data line connection anti-pulling fixing device
CN110943343A (en) Waterproof power socket based on electromagnetic control and capacitance change
CN110808504B (en) Anti-mispull control switch utilizing electro-rheological principle
CN111564725A (en) Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid
CN111585109A (en) Socket for non-medical entertainment equipment based on electrorheological fluid
CN111555073A (en) Intelligent household appliance anti-pulling device based on electromagnetic control
CN111541108A (en) Electrical apparatus is with preventing mistake and pulls out socket based on turbid liquid soft or hard attitude changes
CN111585110A (en) Socket for non-medical entertainment equipment based on electrorheological fluid
CN111883971B (en) Electro-rheological fluid type waterproof socket for bathroom based on electromagnetic control
CN111883980A (en) Anti-drop connects for net twine based on electromagnetic drive
CN112217366A (en) Two-end double-magnet self-generating device and wireless switch using same
CN111711011A (en) Safe power connection system
CN103700543A (en) Small sealing release delay relay with long delay time
CN201185161Y (en) Magnetic holding relay
CN203746956U (en) Magnetic connection structure of battery electrodes
CN203026386U (en) Safe high-voltage current direction converter
CN206210711U (en) The fixing device of magnetic latching relay magnetic circuit system
CN113030185A (en) Detection device for inductance element enameled wire
CN203760376U (en) Magnetic proximity switch having directional memory effect
CN111816463A (en) Motor overheat protection equipment
CN206337061U (en) One kind electrolysis hydrogen-rich cup
CN111509447A (en) Socket for preventing mistaken pulling of electric power based on mortise and tenon structure
CN106531559A (en) Magnetic circuit system fixing apparatus for magnetic latching relay
CN109818200A (en) A kind of waterproof false-touch prevention socket
CN112038830A (en) Charging plug and socket for electric toy

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20200929