CN117199940B - Waterproof row inserts with surge protection - Google Patents
Waterproof row inserts with surge protection Download PDFInfo
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- CN117199940B CN117199940B CN202311304301.9A CN202311304301A CN117199940B CN 117199940 B CN117199940 B CN 117199940B CN 202311304301 A CN202311304301 A CN 202311304301A CN 117199940 B CN117199940 B CN 117199940B
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Abstract
The invention discloses a waterproof extension socket with surge protection, wherein a plurality of mutually isolated extension sockets are arranged in a socket main body, a triggering mechanism is arranged on the inner wall of each extension socket, a plurality of isolated conduction switches are arranged on the socket main body, the elastic contact piece arranged in each extension socket is electrically connected with the alternating current output end of a power protection board through a connecting circuit, and the isolated conduction switches are connected in series between the control end of a conduction control device and the direct current output end of the power protection board; according to the invention, through the design of the trigger mechanism, the magnetic reed switch and the conduction control device, the internal environment of the socket main body is completely isolated from the socket cabin, so that the conduction of the current in the socket main body to the outside through water or conductive liquid is avoided, and even if the water enters the socket cabin from the jack, the conduction accident can not occur; the socket main body is guaranteed to be safe in use, has the characteristics of being strong in waterproof, anti-creeping and short-circuit prevention, and is simple in structure, convenient to use and good in waterproof effect.
Description
Technical Field
The invention relates to the technical field of waterproofing of electrical equipment, in particular to a waterproof extension socket with surge protection.
Background
With the rapid growth of electrical products, various household appliances suddenly and rapidly enter each household, so as to drive the rising of the power strip. The living standard of people is continuously improved, the living quality requirements of people are also improved, the electric products are rapidly increased, and various household appliances rapidly enter each household.
Although some waterproof power strip exist on the market at present, the waterproof power strip is complex in structure and poor in stability, so that the waterproof power strip cannot be widely used, and the application range of the waterproof power strip is limited. If the plug on the electric row is not inserted in place, and meanwhile, when water exists on the position of the electric row and the surface of the electric row, the water contacts with the electrified electrode plates, so that the water on the position of the electric row and the electric plug is electrified, and electric leakage accidents are easily caused.
And if the water on the electric extension socket conducts the live wire electrode plate and the zero wire electrode plate in the electrode plates, the circuit is short-circuited, and if the short-circuit protection measures of the power supply place are insufficient, the circuit of the power supply place is overloaded and heated, and even safety accidents such as short-circuit fire are caused.
Disclosure of Invention
In the prior art, the invention aims to provide the waterproof socket which is convenient to install and reasonable in structure.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a waterproof row of inserts with surge protection, it includes row inserts the main part, is formed with the installation cavity in row inserts the main part, is provided with the first baffle used for splitting the installation cavity into the first cavity and second cavity in the installation cavity;
the first cavity is internally provided with a power protection plate which is used for being electrically connected with external alternating current phases, carrying out surge protection, overload protection and overvoltage protection on alternating current input by an alternating current input end, and outputting alternating current through an alternating current output end; meanwhile, alternating current is converted into direct current and is output through a direct current output end;
at least one socket assembly is arranged in the second cavity; the socket assembly comprises a socket main body and a conduction control device, wherein one end of the socket main body extends along the direction close to the upper end face of the socket main body and is provided with a plurality of jacks, and the position of the socket main body corresponding to the socket main body is provided with a window for exposing the jacks; the socket body is internally provided with a plurality of mutually isolated plug cabins which are arranged in one-to-one correspondence with the jacks, the inner wall of each plug cabin is provided with a trigger mechanism, the socket body is provided with a plurality of isolated conduction switches, the isolated conduction switches are positioned in the second cavity, and the trigger mechanism is used for being started under the action of the pins of the power plug so that the trigger mechanism is in a working state to drive the isolated conduction switches to be conducted;
the elastic contact pieces arranged in each insertion cabin are electrically connected with the alternating current output end of the power protection plate through a connecting circuit, and the isolation type conduction switch is connected in series between the control end of the conduction control device and the direct current output end of the power protection plate;
the on control device is used for controlling the relevant control circuits of the on control device to be conducted when the pins of the power plug are respectively inserted into the corresponding plug cabins, all the trigger mechanisms are started simultaneously through the inserted pins, so that the live wire connection circuit and the zero line connection circuit are connected, and the live wire connection circuit and the zero line connection circuit are in an off state when the on control device is in an idle state.
Further, the socket main body comprises a base body and a cover plate fixedly arranged at the top of the base body, the cover plate is fixedly embedded in the open window, and three jacks are formed in the cover plate;
the top of the base body is provided with a plurality of grooves, and the grooves and the jacks are arranged in one-to-one correspondence; a live wire insertion cabin, a zero wire insertion cabin and a ground wire insertion cabin which are mutually isolated are formed between the cover plate and the groove, an elastic contact piece is arranged in each insertion cabin, one end of the elastic contact piece, which is far away from the cover plate, is provided with a conductive column, and one end of the conductive column, which is far away from the cover plate, passes through a through hole formed in the bottom of the insertion cabin and extends into the second cavity; and a gap between the conductive column and the via hole is filled with sealant.
Further, the conductive column arranged in the live wire insertion cabin is connected with a first input end arranged on the conduction control device through a first live wire conductive strip, the conductive column arranged in the zero wire insertion cabin is connected with a second input end arranged on the conduction control device through a first zero wire conductive strip, and the conductive column arranged in the ground wire insertion cabin is electrically connected with an alternating current output end of the power protection board through a ground wire conductive strip;
the first output end of the conduction control device is electrically connected with the alternating current output end of the power protection plate through the second live wire conducting strip; and a second output end of the conduction control device is electrically connected with an alternating current output end of the power protection plate through a second zero line conducting strip.
Furthermore, two ends of the control end of the conduction control device are connected with the positive electrode and the negative electrode of the direct current output end of the power protection plate through wires, and all isolation type conduction switches are sequentially connected in series between the positive electrode of the control end of the conduction control device and the positive electrode of the direct current output end of the power protection plate.
Further, the conduction control device comprises a relay K, a resistor R, a capacitor C and a diode D 1 And a triode Q, the two ends of the coil of the relay K and a diode D 1 Is connected in parallel with the two ends of the diode D 1 The positive electrode of the resistor R is connected with the collector electrode of the triode Q, and the two ends of the resistor R are respectively connected with the diode D 1 The two ends of the capacitor C are respectively connected with the base electrode of the triode Q and the emitting electrode of the triode Q; the negative pole of the DC output end of the power protection board is connected with the emitter of the triode Q, and the positive pole of the DC output end of the power protection board is connected with the diode D 1 All isolation type conduction switches are sequentially connected in series between the cathodes of the electrodes;
the isolating type conduction switch is a magnetic reed switch, and the relay K is a two-way relay; the two ends of the first group of switches of the relay K are respectively connected with the first live wire conducting strip and the second live wire conducting strip, and the two ends of the second group of switches of the relay K are respectively connected with the first zero wire conducting strip and the second zero wire conducting strip.
Further, the triggering mechanism comprises a fixing piece, a triggering piece and an elastic piece which are coaxially arranged; the fixing piece is arranged on the inner wall of the insertion cabin, a transverse moving groove is formed in one end, away from the isolation type conduction switch, of the fixing piece, and the triggering piece is arranged in the transverse moving groove in a sliding mode; the elastic piece is arranged between the triggering piece and the fixing piece, the elastic piece is positioned in the transverse moving groove, and one end, close to the isolation type conduction switch, of the triggering piece is connected with the magnetic element.
Furthermore, one end of the trigger piece, which is far away from the isolation type conduction switch, is provided with a trigger block, and the trigger block is used for being started under the action of the pins when the pins of the power plug are inserted into the lowest end of the insertion cabin, so that the trigger piece moves in the direction of the isolation type conduction switch in the transverse moving groove.
Furthermore, the jacks are internally provided with elastic deformation insulating lantern rings, the inner wall of each jack is provided with a mounting groove for fixedly mounting the insulating lantern ring, and the upper edge of the insulating lantern ring is higher than the upper end surface of the cover plate; the insulating lantern ring is internally provided with a penetrating hole for penetrating the pin of the power plug.
Still further, the surface of first live wire conducting strip, second live wire conducting strip, first zero line conducting strip, second zero line conducting strip and ground wire conducting strip all is provided with the insulating layer.
Further, the socket main body comprises a first shell and a second shell which are connected in a matched manner; a mounting cavity is formed between the first shell and the second shell in a surrounding manner, a sealing groove is formed in one side, close to the first shell, of the second shell, and a convex strip matched with the sealing groove is formed in one side, close to the second shell, of the first shell; and a sealing strip is arranged between the convex strips and the sealing groove.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the design of the trigger mechanism, the magnetic reed switch and the conduction control device, the internal environment of the socket main body is completely isolated from the socket cabin, so that the conduction of the current in the socket main body to the outside through water or conductive liquid is avoided, and even if the water enters the socket cabin from the jack, the conduction accident can not occur; the socket main body is guaranteed to be safe in use, has the characteristics of being strong in waterproof, anti-creeping and short-circuit prevention, and is simple in structure, convenient to use and good in waterproof effect.
The on control device has the function of time delay and electrifies, and when the pins of the power plug are inserted at the lowest end of the insertion cabin, the live wire connection circuit and the zero line connection circuit can be connected after a certain time delay. The socket main body has good waterproof performance, even if the socket is wholly submerged in water, water does not enter the socket cabin, short circuit and electric leakage are prevented, and potential safety hazards during use of the socket are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the waterproof extension socket of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the waterproof extension socket of the present invention.
Fig. 3 is a cross-sectional view of the waterproof extension socket of the present invention in the length direction thereof.
Fig. 4 is a schematic structural view of a socket assembly according to the present invention.
Fig. 5 is a schematic diagram of a second structure of the socket assembly of the present invention.
Fig. 6 is a schematic structural view of a socket body according to the present invention.
Fig. 7 is a schematic structural diagram of a socket body according to the second embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of a socket body according to the present invention.
Fig. 9 is an enlarged schematic view of the structure at a of the present invention.
Fig. 10 is a top view of the base of the present invention.
Fig. 11 is a cross-sectional view of a socket body of the present invention when a plug pin of a power plug is inserted into a socket compartment.
Fig. 12 is a second cross-sectional view of the socket body of the present invention when the pins of the power plug are inserted into the socket.
Fig. 13 is a circuit diagram of the connection of the socket assembly of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in one of fig. 1 to 13, the present solution provides a waterproof power strip with surge protection, which includes a power strip main body 1.
As shown in fig. 1 and 2, a mounting cavity is formed in the socket main body 1, a first partition 13 for dividing the mounting cavity into a first cavity 14 and a second cavity 16 is provided in the mounting cavity, at least one socket assembly is provided in the second cavity 16, and a power protection board 3 is provided in the first cavity 14.
The power protection board 3 is used for electrically connecting with external alternating current, carrying out surge protection, overload protection and overvoltage protection on alternating current input by the alternating current input end, and outputting alternating current through the alternating current output end; meanwhile, alternating current is converted into direct current and is output through a direct current output end.
In this preferred embodiment of the invention, the jack assembly is a three-hole jack having three circuit connection units for connecting live, neutral and ground circuits, respectively; more specifically, the jack assembly has a live connection circuit, a neutral connection circuit and a ground connection circuit, and is connected to the power protection board 3 through the live connection circuit, the neutral connection circuit and the ground connection circuit.
The socket assembly is used for connecting a power plug 8 of the electric appliance with a power supply, wherein the power supply is an alternating current power supply such as a 220V alternating current power supply or a 110V alternating current power supply in the market, so that the electric appliance can work normally or charge the electric appliance under the power supply of the power supply; the appliance may be a variety of consumer or machine including, but not limited to, televisions, electric lights, washing machines, air conditioners, refrigerators, fans, electric irons, cleaners, induction cookers, microwave ovens, electric ovens, rice cookers, electric heaters, electric hair dryers, radios, audio recorders, cameras, audio, computers, cell phones, and the like.
In practical applications, it will be understood that the socket body 1 may be provided with one, two, three or more socket assemblies, which may be two-hole sockets or three-hole sockets, etc., assembled in one socket body 1.
Wherein, a second partition plate 15 is arranged between two adjacent socket assemblies, and the second cavities 16 are separated by the second partition plate 15 to form smaller independent cavities, so that water or other conductive liquid cannot enter the second cavities 16; meanwhile, the outer surfaces of the live wire connecting circuit, the zero wire connecting circuit and the ground wire connecting circuit are provided with insulating layers; the conduction control device 6 and the connecting circuit cannot be short-circuited; the socket assemblies are placed in the independent cavities in a one-to-one correspondence mode and are not communicated with each other, and waterproof protection can be carried out on each socket assembly.
Referring to fig. 3, in order to realize a waterproof structure of the entire extension socket and to facilitate assembly and maintenance of the extension socket body 1; the row plug main body 1 comprises a first shell 11 and a second shell 12 which are mutually matched and connected, and an installation cavity arranged along the length direction of the row plug main body 1 is formed between the first shell 11 and the second shell 12 in a surrounding manner; the processing and design difficulty of the waterproof structure is greatly reduced, so that the processing cost of the socket main body 1 is effectively reduced.
Wherein, a sealing groove is arranged on one side of the second shell 12 close to the first shell 11, a convex strip matched with the sealing groove is arranged on one side of the first shell 11 close to the second shell 12, and a sealing strip is arranged between the convex strip and the sealing groove; the sealing strip is used for separating the inner part and the outer part of the row plug main body 1 from each other and preventing water or other conductive liquid from entering the second cavity 16, so that the sealing strip has a waterproof effect on the row plug main body 1 to prevent electric shock accidents caused by short circuit of the row plug main body 1;
in order to further improve the waterproof performance in the second cavity 16, insulating paint is sprayed on the exposed conductive elements in the second cavity 16, and/or polyurethane pouring sealant is filled in the second cavity 16, so that the insulativity between the elements in the second cavity 16 and the circuit is improved, and the miniaturization and the light weight of the device are facilitated; the direct exposure of elements and circuits is avoided, and the waterproof, dustproof and dampproof performances of the device are improved.
Referring to fig. 4-7, to achieve water protection of the receptacle assembly, the receptacle assembly is disposed within the second cavity 16;
the socket assembly comprises a socket main body 2 and a conduction control device 6, wherein the socket main body 2 is arranged in an independent cavity formed by separation of a second partition plate 15, one end of the socket main body 2 extends along the direction approaching to the upper end face of the socket main body 1 and is provided with a plurality of insertion holes 211, and the position of the socket main body 1 corresponding to the socket main body 2 is provided with a window 17 for exposing the insertion holes 211;
the socket main body 2 comprises a base 22 and a cover plate 21 fixedly arranged at the top of the base 22, the cover plate 21 is embedded and fixed in the open window 17, three insertion holes 211 are formed in the cover plate 21, a plurality of grooves are formed in the top of the base 22, and the grooves and the insertion holes 211 are uniformly and correspondingly arranged; a live wire insertion chamber 241, a neutral wire insertion chamber 242 and a ground wire insertion chamber 243 which are arranged in a mutually isolated manner are formed between the cover plate 21 and the groove.
In addition, the three compartments 241, 242 and 243 of the socket body 2 have separate cavities, respectively, and are not connected to each other, and may be concavely formed in the same insulating housing, or the three separate compartments 241, 242 and 243 may be formed of different insulating materials and assembled together.
Preferably, the live and neutral bays 241, 242 are arranged side by side, with the ground bay 243 being located on one side of and centered on the live and neutral bays 241, 242; the openings of the three bays 241, 242 and 243 face the three insertion holes 211 formed in the cover plate 21; thus, the three pins 81 of the power plug 8 enter the corresponding three bays 241, 242, and 243 through the three insertion holes 211, respectively.
In the invention, the gap between the window 17 and the cover plate 21 is filled with sealant, so that the cover plate 21 is fixedly connected in the window 17 through the sealant; meanwhile, the cover plate 21 is fixedly connected to the top of the seat body 22 through a fastener, a sealing element is arranged between the seat body 22 and the cover plate 21, and/or a gap between the seat body 22 and the cover plate 21 is filled with sealing glue; for completely separating the second cavity 16 from the receptacle compartment of the receptacle body 2, preventing water or other electrically conductive liquid entering the receptacle compartment of the receptacle body 2 from entering the second cavity 16; the sealant and/or the sealing member thus connects the base 22 and the cover 21 to form a whole, and plays a role in waterproofing the socket body 2, so as to prevent an electric shock accident caused by a short circuit of the socket body 2.
Referring to fig. 4-7, in order to enable the socket assembly to be energized, each of the sockets is provided with a resilient contact piece 23, the resilient contact piece 23 being adapted to clamp the pins 81 when the three pins 81 of the power plug 8 enter the corresponding three sockets 241, 242 and 243 through the three insertion holes 211, respectively, and the resilient contact piece 23 is electrically connected with the pins 81.
Wherein, the end of the elastic contact piece 23 far away from the cover plate 21 is provided with a conductive column 231; one end of the conductive column 231 far away from the cover plate 21 passes through a via hole arranged at the bottom of the insertion cabin and extends into the second cavity 16, the diameter of the conductive column 231 is matched with the inner diameter of the via hole, and a gap between the conductive column 231 and the via hole is filled with sealant; the sealant is used for completely separating the second cavity 16 from the insertion cabin of the socket main body 2, so that water or other conductive liquid entering the insertion cabin of the socket main body 2 is prevented from entering the second cavity 16; the sealant and/or the sealing member thus connects the base 22 and the cover 21 to form a whole, and plays a role in waterproofing the socket body 2, so as to prevent an electric shock accident caused by a short circuit of the socket body 2.
In the present invention, the elastic contact piece 23 built in each socket is electrically connected to the ac output terminal of the power protection board 3 through a connection circuit so that the socket assembly can be energized.
More specifically, referring to fig. 2, 4 and 5, the end of the conductive column 231 disposed in the live wire insertion cabin 241 and extending into the second cavity 16 is connected to the first input end of the conduction control device 6 through the first live wire conductive strip 45, and the first output end of the conduction control device 6 is electrically connected to the ac output end of the power protection board 3 through the second live wire conductive strip 42; one end of the conductive column 231 arranged in the zero line insertion cabin 242 and extending into the second cavity 16 is connected with a second input end arranged on the conduction control device 6 through the first zero line conductive strip 46, and a second output end arranged on the conduction control device 6 is electrically connected with an alternating current output end of the power protection board 3 through the second zero line conductive strip 43; one end of the conductive column 231 arranged in the ground wire insertion cabin 243 and extending into the second cavity 16 is electrically connected with the alternating current output end of the power protection board 3 through the ground wire conductive strip 41;
it should be noted that the elastic contact piece 23 in the ground wire insertion cabin 243 is directly electrically connected with the ac output end of the power protection board 3 through the ground wire conductive strip 41, so that before the circuit between the electrical appliance and the power supply is completed, the electrical appliance is directly grounded and protected through the ground wire conductive strip 41, so as to prevent the electrical appliance from being shorted and shocked.
Referring to fig. 5 to 10, in order to realize waterproof protection, contact protection and leakage protection of the socket assembly, the contact protection and leakage protection of the socket assembly are realized through the arrangement of the conduction control device 6, the trigger mechanism 5 and the isolated conduction switch 71;
the on-control device 6 is used for controlling the relevant control circuits of the on-control device 6 to be on when the pins 81 of the power plug 8 are respectively inserted into the corresponding sockets, all the triggering mechanisms 5 are simultaneously started through the inserted pins 81, so that the live wire connection circuit and the neutral wire connection circuit are connected, and the on-control device 6 enables the live wire connection circuit and the neutral wire connection circuit to be in an off state when in an idle state.
In the present invention, the circuit between the power plug 8, the extension socket body 1 and the power source of the electric appliance can be turned on only when the on-control device 6 is activated to be in an operating state, so that the electric appliance can normally operate under the power supply of the power source.
More specifically, referring to fig. 7 to 9, a triggering mechanism 5 is disposed on an inner wall of each socket, a plurality of isolated conduction switches 71 are disposed on the socket main body 2, and the isolated conduction switches 71 are located in the second cavity 16, and the triggering mechanism 5 is used for being started under the action of pins 81 of the power plug 8 so that the triggering mechanism 5 is in an operating state to drive the isolated conduction switches 71 to be conducted; the isolating on switch 71 is connected in series between the control terminal of the on control device 6 and the dc output terminal of the power protection board 3.
The two ends of the control end of the conduction control device 6 are connected with the positive electrode and the negative electrode of the direct current output end of the power protection plate 3 through wires, and all isolation type conduction switches 71 are sequentially connected in series between the positive electrode of the control end of the conduction control device 6 and the positive electrode of the direct current output end of the power protection plate 3.
The isolating switch 71 may be implemented as a reed switch.
By adopting the technical scheme, the related control circuit of the control conduction control device 6 can not be conducted through the arrangement of the isolation type conduction switch 71 and the triggering mechanism 5, so that the socket components of the socket main body 1 are not electrified; when the pins 81 of the power plug 8 are inserted into the corresponding insertion cabins of the row of insertion main bodies 1, and the pins 81 of the power plug 8 are inserted into the lowest end of the insertion cabins, the power plug is started under the action of the pins 81, so that the trigger piece 52 is in an operating state to drive the isolation type conduction switch 71 to be conducted, and the related control circuit of the conduction control device 6 is controlled to be conducted, so that the live wire connection circuit and the zero line connection circuit are connected; the power plug 8, the row socket main body 1 and the power supply of the electric appliance can be connected, so that the electric appliance can work normally under the power supply of the power supply; meanwhile, the electric shock accident or fire disaster caused by the electric shock accident caused by the insertion of the conductive object under the condition that the power of the extension socket main body 1 is electrified is avoided.
It should be noted that, in connection with fig. 8-12, in order to realize the on-off of the reed switch, the reed switch is driven to be turned on by setting the trigger mechanism 5 for being started under the action of the pins 81 of the power plug 8, so that the trigger mechanism 5 is in an operating state.
It should be noted that the triggering mechanism 5 is disposed at the lowest end of the socket, and as shown in fig. 11 and 12, the pin 81 can control the triggering mechanism 5 to be activated only when the pin 81 of the power plug 8 is inserted at the lowest end of the socket. In addition, the pins 81 of the power plug 8 can control the on-off of the reed switch through the trigger mechanism 5 without a specific plug 8.
In the present invention, the specific structure of the trigger mechanism 5 is:
the triggering mechanism 5 comprises a fixed member 51, a triggering member 52 and an elastic member 54 which are coaxially arranged; the fixing piece 51 is arranged on the inner wall of the insertion cabin, a transverse moving groove 53 is formed in one end, far away from the magnetic spring switch, of the fixing piece 51, and the trigger piece 52 is arranged in the transverse moving groove 53 in a sliding mode; the elastic piece 54 is arranged between the triggering piece 52 and the fixing piece 51, the elastic piece 54 is positioned in the transverse moving groove 53, and one end, close to the magnetic reed switch, of the triggering piece 52 is connected with the magnetic element 55.
Wherein the elastic member 54 may be implemented as a spring and the magnetic element 55 may be implemented as a magnet.
9-12, when the pins 81 are inserted into the insertion cabin, the pins 81 push the trigger block to move, so that the trigger block further drives the trigger piece 52 to move, and the trigger piece 52 moves in the direction of the magnetic reed switch in the transverse moving groove 53; thereby moving the trigger 52 and the magnetic element 55 towards the reed switch and deforming the elastic element 54; to control the distance between the magnetic element 55 and the reed switch to be shortened, and the reed switch is turned on under the magnetic field generated by the magnet.
Wherein the resilient member 54 may be implemented as a return spring, whereby the resilient member 54 may be spring compressed or stretched, in this preferred embodiment the resilient member 54 implemented as a return spring is compressed. When the pins 81 of the power plug 8 leave the bay, the magnetic element 55 and the triggering element 52 return to the initial position under the action of the elastic element 54.
In addition, the end of the trigger 52 remote from the reed switch is provided with a trigger block for being activated by the pin 81 when the pin 81 of the power plug 8 is inserted into the lowermost end of the socket so as to move the trigger 52 in the direction of the reed switch in the traverse slot 53.
In the invention, one end of the trigger block, which is close to the insertion cabin, is provided with an arc transition surface, and the arc transition surface is shown in combination with figures 9 and 10; the cross section of the trigger block along the width direction of the jack 211 is triangular, the arc transition surface faces the jack 211, and the edges of the trigger block are in arc transition; under the action of the pins 81, the magnetic element 55 of the trigger 52 is moved in the direction of the reed switch in the traverse slot 53.
It should be noted that, as shown in fig. 9, the reed switch is disposed on the socket main body 2 through the fixing bracket 72, a fixing slot extending through the fixing bracket 72 along the length direction is disposed in the fixing slot, and the reed switch is fixed in the fixing slot; the opening of the fixing groove faces the triggering mechanism 5, and the fixing support 72 is made of electromagnetic shielding material, and the fixing support 72 is used for shielding the magnetic field in the second cavity 16 so as to prevent the magnetic field in the second cavity 16 from conducting the magnetic reed switch by mistake.
As shown in fig. 4, 5 and 13, the on control device 6 can control the on of the live wire connection circuit and the neutral wire connection circuit; the two ends of the control end of the conduction control device 6 are connected with the positive electrode and the negative electrode of the direct current output end of the power protection board 3 through wires 44, and the conduction control device 6 comprises a relay K, a resistor R, a capacitor C and a diode D 1 Diode D 2 A transistor Q;
two ends of the coil of the relay K and the diode D 1 Is connected in parallel with the two ends of the diode D 1 The positive pole of the resistor R is connected with the collector of the triode Q, and the two ends of the resistor R are respectively connected with the diode D 1 Two ends of the capacitor C are respectively connected with the base electrode of the triode Q and the emitting electrode of the triode Q; the negative pole of the DC output end of the power protection board 3 is connected with the emitter of the triode Q, and the positive pole of the DC output end of the power protection board 3 is connected with the diode D 1 All magnetic reed switches are sequentially connected in series between the cathodes of the pair of the electrodes; meanwhile, diode D 2 Is connected in parallel with the two ends of the capacitor C, and the diode D 2 The negative electrode of the transistor Q is connected with the base electrode of the triode Q.
Wherein the relay K can be implemented as a two-way relay, diode D 2 May be implemented as a zener diode;
as shown in fig. 9 and 10, two ends of the first group of switches of the relay K are respectively connected with the first live wire conducting strip 45 and the second live wire conducting strip 42, and two ends of the second group of switches of the relay K are respectively connected with the first zero wire conducting strip 46 and the second zero wire conducting strip 43. In addition, the outer surfaces of the first live wire conducting strip 45, the second live wire conducting strip 42, the first neutral wire conducting strip 46, the second neutral wire conducting strip 43 and the ground wire conducting strip 41 are all sprayed with insulating paint.
In the present invention, as shown in fig. 13, when the pins 81 are simultaneously inserted into the live wire insertion chamber 241, the neutral wire insertion chamber 242 and the ground wire insertion chamber 243, the pins 81 of the power plug 8 are activated to move the magnetic element 55 of the trigger 52 in the direction of the reed switch in the traverse slot 53; the invention causes the magnetic reed switch to be communicated through the magnetic field of the magnetic reed switch induction magnetic element 55, thereby energizing the coil of the relay K, causing the two groups of switches of the relay to be communicated, and causing the live wire connecting circuit and the zero wire connecting circuit to be conducted; when the pins 81 are simultaneously inserted into the bottoms of the live wire bay 241, the neutral wire bay 242 and the ground wire bay 243, the live wire connection circuit and the neutral wire connection circuit are not conducted, and no person touches the contact member to get an electric shock. Therefore, the invention has the advantage of high safety;
the trigger mechanism 5 and the magnetic reed switch are arranged inside the socket, so that the safety performance of the two-hole socket can be effectively improved, and only the inserting piece 81 of the plug 8 is simultaneously inserted into the corresponding inserting cabin to be electrified, so that the occurrence of electric shock accidents of children is effectively avoided. The socket main body 1 has good waterproof performance, and even if the socket is wholly submerged in water, water does not enter the installation cavity, so that the occurrence of short circuit and electric leakage phenomena is prevented, and the potential safety hazard during the use of the socket is solved.
It should be noted that, referring to fig. 13, the capacitance value of the capacitor C is adjusted by setting the capacitor C; the two ends of the capacitor C are charged, so that the boosting time of the point position of the base electrode end of the triode Q is prolonged, and the conduction time of the triode Q is prolonged; the coil of the relay K is controlled to be electrified in a delayed mode, so that two groups of switches of the relay K are driven to be closed in a delayed mode, and the conduction control device 6 achieves the effect of delayed electrification.
The coil delay energizing time of the relay K is 1-3S by adjusting the capacitance value of the capacitor C, so that the conduction control device 6 has delay starting time of 1-3S;
in addition, both ends of the coil of the relay K are connected with the diode D 1 The two ends of the coil of the relay K are connected in parallel, and when the two ends of the coil of the relay K are suddenly power-off, the energy stored in the coil of the relay K passes through the diode D 1 The quick consumption is carried out, so that the relay K can quickly control the two groups of switches to be disconnected, and the effect of quickly powering off the conduction control device 6 is achieved.
Further, diode D 2 Is connected in parallel with the two ends of the capacitor C, and the diode D 2 The negative pole of (2) is connected with the base electrode of triode QThe method comprises the steps of carrying out a first treatment on the surface of the Diode D 2 The voltage difference between the base electrode and the emitter electrode of the triode Q is stabilized, so that the conduction state of the triode Q is ensured to be stabilized; meanwhile, the conduction control device 6 can pass through the diode D when in the idle state 2 The electric energy in the capacitor C can be consumed rapidly, so that the conduction control apparatus 6 can realize rapid reaction.
Referring to fig. 8 to 12, in order to realize that electric leakage occurs in the gap between the socket main body and the plug 8, an electric shock accident is avoided;
an elastically deformable insulating collar 212 is arranged in each jack 211, and a mounting groove for fixedly mounting the insulating collar 212 is formed in the inner wall of each jack 211, and the upper edge of the insulating collar 212 is higher than the upper end face of the cover plate 21; the insulating collar 212 has disposed therein through holes 213 for passing through pins 81 of the power plug 8.
In the invention, when the pins 81 of the power plug 8 are inserted at the lowest end of the insertion cabin, as the upper edge of the insulating collar 212 is higher than the upper end face of the cover plate 21, the power plug 8 is used for deforming the insulating collar 212, and a sealing ring is formed around the pins 81 of the power plug 8 by using the deformed upper edge of the insulating collar 212;
therefore, the live wire insertion cabin 241, the neutral wire insertion cabin 242 and the ground wire insertion cabin 243 are mutually matched with the power plug 8 to form three mutually isolated and completely closed spaces; so that the short circuit or electric leakage accident can not occur between the pins 81 of the power plug 8 due to the water or other conductive liquid on the surface of the socket main body 2, the waterproof property of the socket main body 1 is further increased, and the socket main body 1 is safer.
It should be noted that, since the triggering mechanism 5 is disposed at the lowest end of the socket, as shown in fig. 11 and 12, the pin 81 can control the triggering mechanism 5 to be started only when the pin 81 of the power plug 8 is inserted at the lowest end of the socket; and the pins 81 of the power plug 8 are held in the socket by the trigger mechanism 5 under the action of the trigger mechanism 5.
Meanwhile, the conduction control device 6 has a function of delayed power on, and only after the pins 81 of the power plug 8 are inserted to the lowest end of the insertion cabin, the triggering mechanism 5 is triggered to start, so that the triode Q can be conducted after the capacitor C of the conduction control device 6 is charged, the coil of the relay K is controlled to be electrified, two groups of switches of the relay K are driven to be closed, and then the live wire connecting circuit and the zero line connecting circuit are connected.
Therefore, when the pins 81 of the power plug 8 are inserted in the lowest end of the bay, the live connection circuit and the neutral connection circuit can be turned on after a certain time delay. The socket main body 1 has good waterproof performance, even if the socket is wholly submerged in water, water does not enter the socket cabin, the occurrence of short circuit and electric leakage phenomena is prevented, and the potential safety hazard during the use of the socket is solved.
In summary, the invention makes the internal environment of the socket main body completely isolated from the cabin through the design of the trigger mechanism, the magnetic reed switch and the conduction control device, and avoids the conduction of the current in the socket main body 1 to the outside through water or conductive liquid, so that even if water enters the cabin from the jack, no conductive accident occurs; the socket main body 1 is guaranteed to be safe in use, has the characteristics of being strong in waterproof, anti-creeping and short-circuit prevention, and is simple in structure, convenient to use and good in waterproof effect.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A waterproof row of inserts with surge protection, it includes row of inserts the main part (1), is formed with the installation cavity in row of inserts the main part (1), is provided with the first baffle (13) used for splitting the installation cavity into the first cavity (14) and second cavity (16) in the installation cavity; the method is characterized in that:
the first cavity (14) is internally provided with a power protection plate (3), the power protection plate (3) is used for being electrically connected with external alternating current, carrying out surge protection, overload protection and overvoltage protection on alternating current input by an alternating current input end, and outputting alternating current through an alternating current output end; meanwhile, alternating current is converted into direct current and is output through a direct current output end;
at least one socket assembly is arranged in the second cavity (16); the socket assembly comprises a socket main body (2) and a conduction control device (6), one end of the socket main body (2) extends along the direction close to the upper end face of the socket main body (1) and is provided with a plurality of jacks (211), and the position of the socket main body (1) corresponding to the socket main body (2) is provided with a window (17) for exposing the jacks (211); the socket comprises a socket body (2), a plurality of plug cabins which are mutually isolated and are arranged in a one-to-one correspondence with plug holes (211), a trigger mechanism (5) is arranged on the inner wall of each plug cabin, a plurality of isolated conduction switches (71) are arranged on the socket body (2), the isolated conduction switches (71) are positioned in a second cavity (16), and the trigger mechanism (5) is used for being started under the action of pins (81) of a power plug (8) so that the trigger mechanism (5) is in a working state to drive the isolated conduction switches (71) to be conducted;
the elastic contact pieces (23) arranged in each insertion cabin are electrically connected with the alternating current output end of the power protection plate (3) through a connecting circuit, and the isolation type conduction switch (71) is connected in series between the control end of the conduction control device (6) and the direct current output end of the power protection plate (3);
the conduction control device (6) is used for controlling the conduction of related control circuits of the conduction control device (6) by simultaneously starting all the triggering mechanisms (5) through the inserted pins (81) when the pins (81) of the power plug (8) are respectively inserted into the corresponding plug cabins, so that the live wire connection circuit and the zero line connection circuit are connected, and the conduction control device (6) enables the live wire connection circuit and the zero line connection circuit to be in an off state when in an idle state;
the socket comprises a socket body (2) and a cover plate (21) fixedly arranged at the top of the socket body (22), wherein the cover plate (21) is fixedly embedded in a window (17), and three jacks (211) are formed in the cover plate (21);
a plurality of grooves are formed in the top of the base body (22), and the grooves and the jacks (211) are uniformly and correspondingly arranged; a live wire insertion cabin (241), a zero wire insertion cabin (242) and a ground wire insertion cabin (243) which are arranged in an isolated manner are formed between the cover plate (21) and the groove, an elastic contact piece (23) is arranged in each insertion cabin, one end of the elastic contact piece (23) far away from the cover plate (21) is provided with a conductive column (231), and one end of the conductive column (231) far away from the cover plate (21) passes through a through hole arranged at the bottom of the insertion cabin and extends into the second cavity (16); the gap between the conductive column (231) and the via hole is filled with sealant;
the conducting column (231) arranged in the live wire insertion cabin (241) is connected with a first input end arranged on the conduction control device (6) through a first live wire conducting strip (45), the conducting column (231) arranged in the zero wire insertion cabin (242) is connected with a second input end arranged on the conduction control device (6) through a first zero wire conducting strip (46), and the conducting column (231) arranged in the ground wire insertion cabin (243) is electrically connected with an alternating current output end of the power protection board (3) through a ground wire conducting strip (41);
the first output end of the conduction control device (6) is electrically connected with the alternating current output end of the power protection board (3) through a second live wire conducting strip (42); the second output end of the conduction control device (6) is electrically connected with the alternating current output end of the power protection board (3) through a second zero line conducting strip (43);
the two ends of the control end of the conduction control device (6) are connected with the positive electrode and the negative electrode of the direct current output end of the power protection plate (3) through wires, and all isolation type conduction switches (71) are sequentially connected in series between the positive electrode of the control end of the conduction control device (6) and the positive electrode of the direct current output end of the power protection plate (3);
the conduction control device (6) comprises a relay K, a resistor R, a capacitor C and a diode D 1 AndTriode Q, the two ends of the coil of the relay K and diode D 1 Is connected in parallel with the two ends of the diode D 1 The positive electrode of the resistor R is connected with the collector electrode of the triode Q, and the two ends of the resistor R are respectively connected with the diode D 1 The two ends of the capacitor C are respectively connected with the base electrode of the triode Q and the emitting electrode of the triode Q; the negative pole of the direct current output end of the power protection plate (3) is connected with the emitter of the triode Q, and the positive pole of the direct current output end of the power protection plate (3) is connected with the diode D 1 All isolation type conduction switches (71) are sequentially connected in series between the cathodes of the electrodes;
the isolation type conduction switch (71) is a magnetic reed switch, and the relay K is a two-way relay; two ends of a first group of switches of the relay K are respectively connected with a first live wire conducting strip (45) and a second live wire conducting strip (42), and two ends of a second group of switches of the relay K are respectively connected with a first zero wire conducting strip (46) and a second zero wire conducting strip (43);
the triggering mechanism (5) comprises a fixed piece (51), a triggering piece (52) and an elastic piece (54) which are coaxially arranged; the fixing piece (51) is arranged on the inner wall of the insertion cabin, a transverse moving groove (53) is formed in one end, far away from the isolation type conduction switch (71), of the fixing piece (51), and the triggering piece (52) is arranged in the transverse moving groove (53) in a sliding mode; the elastic piece (54) is arranged between the triggering piece (52) and the fixing piece (51), the elastic piece (54) is located in the transverse moving groove (53), and one end, close to the isolation type conduction switch (71), of the triggering piece (52) is connected with the magnetic element (55).
2. A waterproof extension socket with surge protection according to claim 1, wherein: one end of the trigger piece (52) far away from the isolation type conduction switch (71) is provided with a trigger block, and the trigger block is used for being started under the action of the pin (81) when the pin (81) of the power plug (8) is inserted into the lowest end of the insertion cabin, so that the trigger piece (52) moves towards the isolation type conduction switch (71) in the transverse moving groove (53).
3. A waterproof extension socket with surge protection according to claim 1, wherein: an insulating collar (212) capable of elastically deforming is arranged in each jack (211), a mounting groove for fixedly mounting the insulating collar (212) is formed in the inner wall of each jack (211), and the upper edge of the insulating collar (212) is higher than the upper end face of the cover plate (21); and through holes (213) for penetrating pins (81) of the power plug (8) are formed in the insulating collar (212).
4. A waterproof extension socket with surge protection according to claim 1, wherein: the outer surfaces of the first live wire conducting strip (45), the second live wire conducting strip (42), the first neutral wire conducting strip (46), the second neutral wire conducting strip (43) and the ground wire conducting strip (41) are all provided with insulating layers.
5. A waterproof extension socket with surge protection according to any one of claims 1-4, wherein: the row of plug main bodies (1) comprise a first shell (11) and a second shell (12) which are connected in a matched manner; a mounting cavity is formed between the first shell (11) and the second shell (12) in a surrounding manner, a sealing groove is formed in one side, close to the first shell (11), of the second shell (12), and a raised line matched with the sealing groove is formed in one side, close to the second shell (12), of the first shell (11); and a sealing strip is arranged between the convex strips and the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311304301.9A CN117199940B (en) | 2023-10-09 | 2023-10-09 | Waterproof row inserts with surge protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311304301.9A CN117199940B (en) | 2023-10-09 | 2023-10-09 | Waterproof row inserts with surge protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117199940A CN117199940A (en) | 2023-12-08 |
| CN117199940B true CN117199940B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311304301.9A Active CN117199940B (en) | 2023-10-09 | 2023-10-09 | Waterproof row inserts with surge protection |
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| Country | Link |
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| CN (1) | CN117199940B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559122Y (en) * | 2002-07-18 | 2003-07-02 | 冯焜泉 | Surge-proof power socket |
| US9762056B1 (en) * | 2009-04-27 | 2017-09-12 | Dennis L. Miller | Electrical outlet unit |
| CN109119849A (en) * | 2017-06-23 | 2019-01-01 | 宁远县硕宁电子有限公司 | Electrical source socket |
| CN214153299U (en) * | 2021-01-12 | 2021-09-07 | 深圳市光导科技有限公司 | Waterproof socket |
-
2023
- 2023-10-09 CN CN202311304301.9A patent/CN117199940B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559122Y (en) * | 2002-07-18 | 2003-07-02 | 冯焜泉 | Surge-proof power socket |
| US9762056B1 (en) * | 2009-04-27 | 2017-09-12 | Dennis L. Miller | Electrical outlet unit |
| CN109119849A (en) * | 2017-06-23 | 2019-01-01 | 宁远县硕宁电子有限公司 | Electrical source socket |
| CN214153299U (en) * | 2021-01-12 | 2021-09-07 | 深圳市光导科技有限公司 | Waterproof socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117199940A (en) | 2023-12-08 |
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