CN209844109U - Socket board and power utilization hidden danger sensing socket - Google Patents

Abstract

The utility model discloses a socket board and a power utilization hidden danger sensing socket, wherein, the socket board comprises a circuit board body, a power supply wiring terminal, a current transformer and a socket elastic sheet are arranged on the circuit board body, and the power supply wiring terminal is electrically connected with the socket elastic sheet through the current transformer; the current transformer is arranged on the circuit board body through the mounting bracket; the mounting bracket comprises a containing groove for containing the current transformer and a fixing part arranged by penetrating the circuit board body; the socket shell fragment has zero line portion and live wire portion, and zero line portion and live wire portion have first welding foot and second welding foot respectively, and just first welding foot and second welding foot pass current transformer's middle part cavity respectively and are connected with power terminal, and fixed part both sides are located in first welding foot and the isolation of second welding foot. The utility model discloses technical scheme aims at improving the inside electric clearance that has between the intelligent socket shell fragment of electronic circuit, between shell fragment and the circuit, improves the more electronic component of mountable in limited space when the security.

Description

Socket board and power utilization hidden danger sensing socket

Technical Field

The utility model relates to a socket technical field, in particular to socket board and power consumption hidden danger perception socket.

Background

Be provided with the current transformer who is used for gathering leakage current signal sample on the circuit board of intellectual detection system socket usually, the power terminal that generally adopts the access commercial power wears to establish current transformer through the wire after is connected with the socket shell fragment, consequently has the installation inconvenient, the unstable problem of structure. When the scheme that the socket elastic sheet is directly welded with the power supply binding post is adopted, the zero line part and the live line part in the socket elastic sheet need to penetrate through the current transformer together and then are respectively welded with the corresponding power supply binding post on the circuit board, so that the distance between the welding pins of the zero line part and the welding pins of the live line part is small, an over-current phenomenon possibly exists, and the problem of short circuit of the zero line part and the live line part is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a socket board for power consumption hidden danger perception socket aims at improving the electric clearance between the socket shell fragment, improves the security.

In order to achieve the above purpose, the socket board provided by the utility model comprises a circuit board body, wherein a power terminal, a current transformer and a socket elastic sheet are arranged on the circuit board body, and the power terminal is electrically connected with the socket elastic sheet through the current transformer;

the current transformer is mounted on the circuit board body through a mounting bracket;

the mounting bracket comprises a containing groove for containing the current transformer and a fixing part arranged by penetrating through the circuit board body; the socket shell fragment has zero line portion and live wire portion, zero line portion and live wire portion have first welding foot and second welding foot respectively, just first welding foot and second welding foot pass respectively current transformer's middle part cavity with power terminal connects, first welding foot with second welding foot keeps apart and locates the fixed part both sides.

Optionally, be equipped with in the storage tank with the erection column of current transformer adaptation installation, the erection column is equipped with the confession respectively first welding foot and the groove of dodging that second welding foot wore to establish, the tank bottom of storage tank corresponds the position in the groove of dodging of zero line portion is equipped with the confession first through-hole that first welding foot passed, the tank bottom of storage tank corresponds the position in the groove of dodging of fire line portion is equipped with the confession the second through-hole that second welding foot passed.

Optionally, the fixing portion is in an i shape, and the first through hole and the second through hole are respectively formed in two sides of the fixing portion.

Optionally, the current transformer has an outgoing terminal welded to the circuit board body, the mounting bracket is further provided with an isolation portion penetrating through the circuit board, and the isolation portion is arranged around the outgoing terminal of the current transformer.

Optionally, the zero line part and the live line part are respectively provided with a connecting arm connected with the first welding pin and the second welding pin, and the first welding pin and the second welding pin are inserted from the upper part of the current transformer and penetrate through the current transformer and then are welded and fixed with the current plate body.

Optionally, the socket board is further provided with a protective cover, and the protective cover is arranged on the current transformer and the connecting arm.

Optionally, the socket dome further has a ground wire portion, the current transformer is arranged at one side close to the ground wire portion, and the connecting arms of the zero wire portion and the fire wire portion are arranged at intervals of the ground wire portion;

the visor includes that the adaptation lid is located current transformer's first lid, adaptation lid are located the second lid, the adaptation lid of the linking arm of zero line portion are located the third lid of fire line portion, form between second lid and the third lid and show the vacancy of ground line portion.

Optionally, the zero line part, the fire line part and the ground line part are respectively provided with a fixing pin which is inserted and fixed to the circuit board body.

Optionally, the power terminal has a zero line terminal, the circuit board body is further provided with a sampling resistor, and the zero line terminal is connected with the zero line part through the sampling resistor.

The utility model also provides a power consumption hidden danger perception socket, which comprises a shell and the socket board, wherein the socket board comprises a circuit board body, a power supply wiring terminal, a current transformer, a socket elastic sheet, a mounting bracket, a protective cover and a sampling resistor; the socket board is arranged in the shell, and the shell is provided with jacks corresponding to the socket elastic pieces on the socket board.

The utility model discloses technical scheme is through setting up the installing support installation on the circuit board body current transformer, the installing support has the fixed part of wearing to locate the circuit board body, and the fixed part will weld in the second welding foot and the first welding foot of circuit board body separate, makes the installing support has not only realized current transformer's installation is fixed, still wears to locate current transformer's first welding foot and the protruding part of establishing on the circuit board body of second welding foot with zero line portion and live wire portion and separates to be convenient for zero line portion and live wire portion link to each other with the power terminal welding, improved electric clearance and creepage distance between first welding foot and the second welding foot, avoided the short circuit problem of zero line portion and live wire portion, thereby guaranteed the security of socket board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the power consumption hidden danger sensing socket of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of a socket board according to the present invention at a viewing angle;

FIG. 3 is a schematic view of the saddle of FIG. 2 from another perspective;

FIG. 4 is a schematic structural view of the socket spring, the current transformer and the mounting bracket in FIG. 2;

FIG. 5 is a schematic view of the mounting of the current transformer and mounting bracket of FIG. 2;

fig. 6 is an installation view of the protection cover provided on the socket plate in fig. 2.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a socket board for power consumption hidden danger safety socket.

In the embodiment of the present invention, as shown in fig. 1 to 4, the socket board 1 includes a circuit board body 11, the circuit board body 11 is provided with a power terminal 12, a current transformer 13 and a socket spring 14, the power terminal 12 is electrically connected to the socket spring 14 through the current transformer 13;

the current transformer 13 is mounted on the circuit board body 11 through a mounting bracket 15;

the mounting bracket 15 includes a receiving groove 151 for receiving the current transformer 13 and a fixing portion 152 disposed through the circuit board body 11; the socket dome 14 has a zero line part 141 and a live line part 142, the zero line part 141 and the live line part 142 respectively have a first welding pin 1411 and a second welding pin 1421, the first welding pin 1411 and the second welding pin 1421 respectively penetrate through the middle cavity of the current transformer 13 to be connected with the power terminal 12, and the first welding pin 1411 and the second welding pin 1421 are separately disposed on two sides of the fixing part 152.

The technical proposal of the utility model is that the current transformer 13 is installed by arranging the installation bracket 15 on the circuit board body 11, the mounting bracket 15 has a fixing portion 152 penetrating the circuit board body 11, the fixing portion 152 separates a second solder pin 1421 soldered to the circuit board body 11 from a first solder pin 1411, so that the mounting bracket 15 not only realizes the mounting and fixing of the current transformer 13, but also separates the parts of the first welding foot 1411 and the second welding foot 1421 of the zero line part 141 and the live line part 142 which are arranged on the circuit board body 11 in a penetrating way, so that zero line portion 141 and live wire portion 142 link to each other with power terminal 12 welding, improved electric clearance and creepage distance between first welding foot 1411 and the second welding foot 1421, avoided the short circuit problem of zero line portion 141 and live wire portion 142 to the security of socket board 1 has been improved.

The mounting bracket 15 is made of an insulating material to realize insulation and isolation of the current transformer 13, the live wire part 142 and the neutral wire part 141. Referring to fig. 5 and 6, in the present embodiment, the power terminal 12 has a neutral terminal 121, a live terminal 122, and a ground terminal 123, and the socket shell fragment 14 has a neutral portion 141, a live portion 142, and a ground portion 143 connected to the neutral terminal 121, the live terminal 122, and the ground terminal 123 in a one-to-one correspondence manner, wherein the neutral portion 141 has a first welding pin 1411 welded to the neutral terminal 121, and the live portion 142 has a second welding pin 1421 welded to the live terminal 122.

The power terminal 12, the socket spring 14 and the current transformer 13 are all installed on the circuit board body 11, and the current transformer 13 is arranged between the power terminal 12 and the socket spring 14, so that the first welding pin 1411 and the second welding pin 1421 can be directly welded with the power terminal 12 after penetrating through the current transformer 13, the structure is compact and stable, and the reduction of the volume of the socket board 1 is facilitated. The circuit board body 11 is provided with a first surface and a second surface, the socket dome 14 and the current transformer 13 are arranged on the first surface of the circuit board body 11, one end of the power terminal 12 connected with an external power line is arranged on the second surface, the other opposite end is arranged on the first surface, the first welding pin 1411 and the second welding pin 1421 are inserted into the current transformer 13 on the first surface and penetrate through the second surface to be respectively welded and conducted with the zero line terminal 121 and the live line terminal 122; the ground wire portion 143 is connected and conducted with the ground wire terminal 123 through thin copper on the first surface, so that the electrical connection between the power terminal 12 and the socket spring 14 is realized.

Further, in this embodiment, the zero line part 141, the live line part 142, and the ground line part 143 are respectively provided with fixing legs 144 that are inserted and fixed to the circuit board body 11, and the fixing legs 144 of the zero line part 141, the live line part 142, and the ground line part 143 are welded to the second surface of the circuit board body 11, thereby fixing the zero line part 141, the live line part 142, and the ground line part 143.

Further, in this embodiment, the accommodating groove 151 is configured to be matched with the size of the current transformer 13, an installation column 153 configured to be matched with the current transformer 13 is disposed in the accommodating groove 151, the size of the installation column 153 is configured to be matched with the middle cavity of the current transformer 13, the installation column 153 is provided with an avoidance groove 1531 through which the first welding pin 1411 of the zero line part 141 and the second welding pin 1421 of the live line part 142 penetrate, the avoidance grooves 1531 of the first welding pin 1411 and the second welding pin 1421 extend in the axial direction of the installation column 153 and are disposed on two opposite sides of the installation column 153, so as to ensure an electrical gap between the first welding pin 1 and the second welding pin 1421 inserted into the current transformer 13, and avoid short circuit caused by the contact between the zero line part 141 and the live line part 142 in the current transformer 14113. Of course, in other embodiments, on the premise that the first welding foot 1411 and the second welding foot 1421 have a sufficient safe distance, the mounting column 153 may also be provided with avoiding holes for the first welding foot 1411 and the second welding foot 1421 to penetrate through. Without loss of generality, a first through hole 1511 through which the first welding pin 1411 passes is disposed at a position, corresponding to the avoidance groove 1531 of the zero line part 141, of the groove bottom of the accommodating groove 151, and a second through hole 1512 through which the second welding pin 1421 passes is disposed at a position, corresponding to the avoidance groove 1531 of the live line part 142, of the groove bottom of the accommodating groove 151, so that the first welding pin 1411 and the second welding pin 1421 pass through to the second surface to be connected with the zero line terminal 121 and the live line terminal 122.

The fixing portion 152 is located below the mounting column 153 and is disposed on the back of the bottom of the accommodating groove 151. Further, in this embodiment, referring to fig. 3 and fig. 5 specifically, the fixing portion 152 is disposed in an "i" shape, and the first through hole 1511 and the second through hole 1512 are disposed on two sides of the fixing portion 152, so that the first soldering pin 1411 penetrating through the first through hole 1511 and the second soldering pin 1421 penetrating through the second through hole 1512 are spaced apart, which effectively prevents solder paste connection between the respective soldering pins and the power terminal 12, and facilitates isolation from electronic devices on the circuit board body 11.

Further, in this embodiment, the zero line part 141 and the live line part 142 are respectively provided with a connecting arm connected to a first welding pin 1411 and a second welding pin 1421, the first welding pin 1411 and the second welding pin 1421 are inserted from above the current transformer 13, penetrate through the current transformer 13, and are welded and fixed to the circuit board body, and the connecting arm includes a first connecting arm 1412 correspondingly connecting the zero line part 141 and the first welding pin 1411, and a second connecting arm 1422 correspondingly connecting the live line part 142 and the second welding pin 1421.

In this embodiment, the zero line part 141, the first connecting arm 1412 and the first welding foot 1411 are integrally formed, and similarly, the fire line part 142, the second connecting arm 1422 and the second welding foot 1421 are also integrally formed and respectively formed by bending a copper sheet; and because the zero line part 141 and the live line part 142 are directly welded and communicated with the power supply binding post 12 connected to the power supply, a main circuit connected between the power supply binding post 12 and the socket elastic sheet 14 has better overcurrent capacity, and the influence of strong electricity on the circuit board body 11 is reduced.

In this embodiment, the first connecting arm 1412 and the second connecting arm 1422 extend toward the current transformer 13 and are bent relatively, and the distance between the first connecting arm 1412 and the second connecting arm 1422 is gradually reduced, so that the first welding pin 1411 and the second welding pin 1421 are inserted into the middle cavity of the current transformer 13. Further, referring to fig. 4 in particular, the socket board 1 is further provided with a protective cover 16, and the protective cover 16 is disposed on the current transformer 13 and the first and second connecting arms 1412 and 1422. Therefore, an electrical gap between the first connecting arm 1412 and the second connecting arm 1422 is realized, and the creepage distance of the first connecting arm 1412 and the second connecting arm 1422 on the shell of the current transformer 13 is increased, so that the safety of the socket board 1 is improved.

Further, in the present embodiment, the current transformer 13 is disposed on one side close to the ground part 143, and since the first connecting arm 1412 and the second connecting arm 1422 extend toward the current transformer 13, the first connecting arm 1412 of the zero part 141 and the second connecting arm 1422 of the live part 142 are disposed at a distance from the ground part 143; the protective cover 16 includes a first cover 161 adapted to be covered on the current transformer 13, a second cover 162 adapted to be covered on the first connecting arm 1412, and a third cover 163 adapted to be covered on the second connecting arm 1422, and a void exposing the ground portion 143 is formed between the second cover 162 and the third cover 163, so that the ground portion 143 is insulated from the first connecting arm 1412 of the zero portion 141 and the second connecting arm 1422 of the live portion 142, the problem of breakdown due to a small air gap therebetween is avoided, and a safe electrical gap is ensured.

Further, in this embodiment, the current transformer 13 has an outgoing terminal 131 welded and fixed to the circuit board body 11, the mounting bracket 15 is further provided with an isolating portion 154 penetrating through the circuit board body 11, and the isolating portion 154 is disposed around the outgoing terminal 131 of the current transformer 13, so that the outgoing terminal 131 of the current transformer 13 is isolated from the fixing pin 144 of the ground portion 143 on the circuit board body 11, which is closer to the outgoing terminal, or other electronic devices, and the influence on the output of the leakage current signal of the current transformer 13 is reduced.

Further, in this embodiment, a sampling resistor (not shown) is further disposed on the circuit board body 11, the zero line terminal 121 is connected to the zero line portion 141 through the sampling resistor, and the sampling resistor is disposed above the zero line terminal 121 and adjacent to the first welding pin 1411, so as to facilitate welding. One end of the sampling resistor is welded on the zero line binding post 121, and the other end of the sampling resistor is welded on the first welding pin 1411, so as to collect working current signals of the main circuit connected with the power supply binding post 12 and the socket elastic piece 14.

The utility model also provides a power consumption hidden danger perception socket, this power consumption hidden danger perception socket include casing 2 and as above-mentioned socket board 1, socket board 1 is located in the casing 2, casing 2 corresponds the position of socket shell fragment 14 on the socket board 1 is provided with jack 21, corresponds power terminal 12 on the socket board 1 is provided with wiring hole 22. The specific structure of the socket board 1 refers to the above embodiments, and since the socket board 1 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. The socket board 1 is further provided with a relay 17, the live wire binding post 122 is connected with the live wire binding post 142 through the relay 17, a power input end of the relay 17 is welded on the live wire binding post 122, a power output end of the relay 17 is welded on the live wire binding post 142, so that the power utilization hidden danger sensing socket controls the relay 17 according to a leakage current signal collected by the current transformer 13 and a working current signal collected by the sampling resistor, and the power supply binding post 12 and the socket elastic piece 14 are controlled to be connected with the main loop to be switched on and off.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A socket board is used for a socket capable of sensing potential electricity utilization hazards and is characterized by comprising a circuit board body, wherein a power supply wiring terminal, a current transformer and a socket elastic sheet are arranged on the circuit board body, and the power supply wiring terminal is electrically connected with the socket elastic sheet through the current transformer;

the current transformer is mounted on the circuit board body through a mounting bracket;

the mounting bracket comprises a containing groove for containing the current transformer and a fixing part arranged by penetrating through the circuit board body; the socket shell fragment has zero line portion and live wire portion, zero line portion and live wire portion have first welding foot and second welding foot respectively, just first welding foot and second welding foot pass respectively current transformer's middle part cavity with power terminal connects, first welding foot with second welding foot keeps apart and locates the fixed part both sides.

2. The socket board according to claim 1, wherein the accommodating groove is provided with a mounting post adapted to the current transformer, the mounting post is provided with an avoiding groove for the first welding pin and the second welding pin to pass through, the bottom of the accommodating groove is provided with a first through hole for the first welding pin to pass through at a position corresponding to the avoiding groove of the zero line part, and the bottom of the accommodating groove is provided with a second through hole for the second welding pin to pass through at a position corresponding to the avoiding groove of the fire line part.

3. The socket board according to claim 2, wherein the fixing portion is formed in an "i" shape, and the first through hole and the second through hole are respectively formed at both sides of the fixing portion.

4. The socket board according to claim 1, wherein the current transformer has an outgoing terminal soldered to the circuit board body, and the mounting bracket is further provided with a spacer portion penetrating the circuit board body, the spacer portion being disposed around the outgoing terminal soldered to the circuit board body by the current transformer.

5. The socket board according to claim 1, wherein the zero line part and the live line part are respectively provided with a connecting arm connected to the first soldering pin and the second soldering pin, and the first soldering pin and the second soldering pin are inserted from above the current transformer and fixed to the circuit board body by soldering after passing through the current transformer.

6. The socket fascia according to claim 5, wherein the socket fascia is further provided with a protective cover, the protective cover being provided over the current transformer and the connecting arm.

7. The socket board according to claim 6, wherein the socket shell fragment further has a ground wire portion, the current transformer is disposed at a side close to the ground wire portion, and the connecting arms of the zero wire portion and the fire wire portion are disposed at a distance from the ground wire portion;

the visor includes that the adaptation lid is located current transformer's first lid, adaptation lid are located the second lid, the adaptation lid of the linking arm of zero line portion are located the third lid of fire line portion, form between second lid and the third lid and show the vacancy of ground line portion.

8. The socket board according to claim 7, wherein the zero line portion, the fire line portion and the ground line portion are respectively provided with fixing legs which are inserted and fixed to the circuit board body.

9. The socket board according to any one of claims 1 to 8, wherein the power terminal has a neutral terminal, and the circuit board body is further provided with a sampling resistor, and the neutral terminal is connected with the neutral part through the sampling resistor.

10. The socket capable of sensing the electricity utilization hidden danger comprises a shell and the socket board as claimed in any one of claims 1 to 9, wherein the socket board is arranged in the shell, and jacks are arranged in the shell corresponding to the positions of socket elastic sheets on the socket board.