CN211126375U - Circuit board contact isolation structure of intelligent socket - Google Patents
Circuit board contact isolation structure of intelligent socket Download PDFInfo
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- CN211126375U CN211126375U CN202020108357.2U CN202020108357U CN211126375U CN 211126375 U CN211126375 U CN 211126375U CN 202020108357 U CN202020108357 U CN 202020108357U CN 211126375 U CN211126375 U CN 211126375U
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Abstract
The utility model relates to a circuit board contact isolation structure of smart jack. The circuit board contact isolation structure of the intelligent socket comprises a strong current circuit board and a lining board, wherein a circuit board contact is arranged on the strong current circuit board, and the lining board is arranged above the strong current circuit board and used for isolating electric elements on two sides of the lining board; the strong current circuit board is provided with a contact isolation groove which is arranged between two adjacent circuit board contacts; and the bottom of the lining plate is provided with an insulating spacer which is inserted into the contact isolation groove to isolate two adjacent circuit board contacts. Above-mentioned technical scheme is through inserting insulating barrier strip in the contact isolation groove that corresponds on the forceful electric power circuit board to isolated the last adjacent circuit board contact of forceful electric power circuit board, and then prevent that the short circuit from appearing in the smart jack, need not to set up the interval of the last adjacent circuit board contact of forceful electric power circuit board bigger, and the space requirement on the circuit board is lower, and then is favorable to the overall arrangement of the electrical part on the circuit board.
Description
Technical Field
The utility model relates to a circuit board contact isolation structure of smart jack.
Background
For the intelligent socket, the internal space is compact, corresponding electrical components are connected by adopting a wire in a traditional wire connection mode, the assembly is inconvenient, and great potential safety hazards exist.
Chinese patent No. CN205985656U discloses an intelligent socket with a weak current interface, which is internally provided with a first circuit board (i.e. a strong current circuit board), a second circuit board (i.e. a weak current circuit board), and a lining board, wherein the lining board is arranged between the first circuit board and the second circuit board, so as to achieve the separation effect and avoid the short circuit phenomenon between the two circuit boards. Meanwhile, the first circuit board and the second circuit board are connected together in an inserting mode, an inserting elastic sheet (namely, a metal inserting sheet in the patent) in the socket is provided with a conductive contact sheet extending downwards, the circuit board is provided with a conductive contact sheet or a conductive slot matched with the conductive contact sheet on the inserting elastic sheet, the conductive contact sheet or the conductive slot is used as a circuit board contact, and the conductive contact sheet can be in contact conduction with the adaptive conductive contact sheet on the circuit board or in inserting conduction with the adaptive conductive slot on the circuit board.
Above-mentioned smart jack has saved the wire and has connected, and the equipment is convenient. However, the circuit board contacts such as the adaptive conductive contact or the conductive slot on the circuit board are often arranged side by side, and a larger distance needs to be reserved between the adjacent circuit board contacts to avoid the short circuit problem, so that the space requirement on the circuit board is large, and the layout of electric devices on the circuit board is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a smart jack's circuit board contact isolation structure to solve among the prior art smart jack great and be not convenient for the technical problem of electric appliance overall arrangement on the circuit board to circuit board space demand above that.
In order to achieve the above object, the utility model discloses a circuit board contact isolation structure of smart jack's technical scheme is:
smart jack's circuit board contact isolation structure includes:
the strong current circuit board is provided with circuit board contacts;
the lining plate is arranged above the strong-current circuit board and used for isolating electric elements on two sides of the lining plate;
the strong current circuit board is provided with a contact isolation groove which is arranged between two adjacent circuit board contacts;
and the bottom of the lining plate is provided with an insulating spacer which is inserted into the contact isolation groove to isolate two adjacent circuit board contacts.
Has the advantages that: the utility model discloses a smart jack's circuit board contact isolation structure passes through the welt and keeps apart the electrical components of forceful electric circuit board and welt opposite side to prevent the phenomenon of short circuit, on this basis, set up insulating barrier sheet in the bottom of welt again, through inserting insulating barrier sheet in the corresponding contact isolated slot on the forceful electric circuit board, with isolated forceful electric circuit board on adjacent circuit board contact, further prevent that the last adjacent circuit board contact of forceful electric circuit board from connecting and the phenomenon of taking place the short circuit. Compared with the prior art, need not to set up the interval of adjacent circuit board contact on the forceful electric power circuit board bigger, like this, it is lower to the space requirement on the circuit board, and then is favorable to the overall arrangement of the electrical part on the circuit board.
Furthermore, the circuit board contacts on any side of the contact isolation groove in the width direction all comprise an elastic sheet welding point and an incoming line terminal contact;
the elastic piece welding point is used for being connected with an inserting elastic piece of the intelligent socket, and the incoming line terminal contact is used for being connected with an incoming line terminal of the intelligent socket;
the elastic sheet welding points and the incoming line terminal contacts which are positioned on the same side of the contact isolation groove are arranged along the extending direction of the contact isolation groove, and the insulating isolation sheet simultaneously isolates the circuit board contacts on the two sides of the width direction of the contact isolation groove.
Has the advantages that: the insulating spacer can be simultaneously with isolated contact isolation groove width direction both sides shell fragment welding point and binding post contact all keep apart, the reliability is higher.
Furthermore, the circuit board contacts on either side of the width direction of each contact isolation groove only comprise spring plate welding points or only comprise incoming line terminal contacts;
the elastic piece welding point is used for being connected with an inserting elastic piece of the intelligent socket, and the incoming line terminal contact is used for being connected with an incoming line terminal of the intelligent socket;
the insulating isolation sheet only isolates the elastic sheet welding points or the incoming terminal contacts on the two sides of the contact isolation groove in the width direction.
Has the advantages that: under the condition that the circuit board contact on any side of the width direction of the contact isolation groove only comprises an elastic sheet welding point or only comprises a wire inlet terminal contact, the insulating isolation sheet can completely isolate the elastic sheet welding points or the wire inlet terminals on the two sides of the contact isolation groove, and the reliability of the intelligent socket is guaranteed.
Furthermore, the elastic sheet welding point and the incoming line terminal contact respectively comprise a zero line contact, a ground line contact and a live line contact, and the zero line contact and the live line contact are arranged on two sides of the ground line contact;
the distances between the ground wire contact in the incoming wire terminal contact and the zero line contact and between the live wire contact in the incoming wire terminal contact are larger than the distances between the ground wire contact in the elastic sheet welding point and the zero line contact and between the ground wire contact in the elastic sheet welding point and the live wire contact;
the contact isolation groove comprises a live wire contact isolation groove and a zero line contact isolation groove, the distance between the two ends of the live wire contact isolation groove and the distance between the two ends of the zero line contact isolation groove are different, and the distance between one end corresponding to the incoming wire terminal contact is larger than the distance between one end corresponding to the elastic sheet welding point.
Has the advantages that: the requirement of large space between the contact points of the wiring terminal can be met, so that the wiring terminal is convenient to arrange.
Furthermore, the live wire contact isolation groove and the zero wire contact isolation groove respectively comprise a straight section and an inclined section, the straight section is provided with two sections, the inclined section is provided with one section, and the inclined section is connected between the two straight sections;
the two inclined sections are arranged in a splayed manner, so that different distances are formed between the corresponding straight sections of the live wire contact isolation groove and the zero wire contact isolation groove.
Has the advantages that: live wire contact isolation groove and zero line contact isolation groove all adopt the structural style of two flat straight sections and an slope section, can make to form two kinds of different intervals between the flat straight section that corresponds to satisfy the interval requirement between the binding post contact and the interval requirement between the shell fragment welding point respectively, like this, need not to set up the spacing block of a plurality of components of a whole that can function independently at the welt, set up a plurality of contact isolation grooves on the forceful electric power circuit board and satisfy above-mentioned requirement.
Furthermore, the live wire contact isolation groove and the zero line contact isolation groove only comprise one section of straight section and one section of inclined section, the straight section corresponds to the connecting terminal contact, and the inclined section corresponds to the elastic sheet welding point.
Has the advantages that: on the basis of ensuring the reliability of only the socket, the structure of the contact isolation groove is optimized, and the processing is simpler.
Furthermore, the elastic sheet welding point and the incoming line terminal contact respectively comprise a zero line contact, a ground line contact and a live line contact, and the zero line contact and the live line contact are arranged on two sides of the ground line contact;
the contact isolation groove comprises a live wire contact isolation groove and a zero line contact isolation groove, and the distances between the two sides of the live wire contact isolation groove and the two sides of the zero line contact isolation groove are the same;
the live wire contact isolation groove and the zero line contact isolation groove are straight grooves.
Has the advantages that: because live wire contact isolation groove and zero line contact isolation groove are straight grooves, the both sides interval of live wire contact isolation groove and zero line contact isolation groove is the same promptly, and the structure is simpler, the shape is more regular.
Further, an inclined guide surface is arranged between the lower side edge of the insulating isolation sheet and the side edges at two sides of the extending direction of the insulating isolation sheet, and the inclined guide surface is used for guiding the insulating isolation sheet to be inserted into the contact isolation groove.
Has the advantages that: the assembly between the lining board and the strong electric circuit board is facilitated by the inclined guide inclined plane.
Further, the inclined guide surface is formed by chamfering a corner of the insulating spacer or is formed by inclining the entire side surface of the insulating spacer toward the contact isolating groove.
Has the advantages that: is convenient for processing.
Further, the lower edge of the insulating spacer is not lower than the lower plate surface of the strong electric circuit board.
Has the advantages that: the assembly that can avoid insulating barrier disc to interfere binding post improves smart jack's reliability.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of a smart jack including a circuit board contact isolation structure according to the present invention;
fig. 2 is a schematic front structural view of a high voltage circuit board in the circuit board contact isolation structure of the smart jack of the present invention;
fig. 3 is a schematic back structure diagram of a high voltage circuit board in the circuit board contact isolation structure of the smart jack of the present invention;
fig. 4 is a schematic front structural view of a lining plate in a circuit board contact isolation structure of the smart jack of the present invention;
fig. 5 is a schematic view of a back structure of a lining plate in a circuit board contact isolation structure of the smart jack of the present invention;
fig. 6 is a schematic structural view of the elastic sheet inserted on the lining plate in the circuit board contact isolation structure of the smart jack of the present invention;
fig. 7 is a schematic view showing an assembly structure between the circuit board contact isolation structure of the smart jack and the corresponding connection terminal of the present invention;
fig. 8 is a schematic diagram showing the three-dimensional structure of the insulation spacer in the circuit board contact isolation structure of the smart jack of the present invention (the angle shown is at the back of the lining board).
The names of the components corresponding to the corresponding reference numerals in the drawings are:
1-decorative cover, 2-safety door gland, 3-two-hole safety door, 4-three-hole safety door, 5-plug elastic sheet, 6-upper support, 7-strong electric circuit board, 8-lower support, 9-conductive crimping sheet, 10-socket shell, 11-lining board, 12-zero line contact isolation groove, 13-insulating isolation sheet, 14-live line contact isolation groove, 15-straight section, 16-inclined section, 17-inclined guide surface, 18-welding sheet part, 19-elastic sheet perforation, 20-elastic sheet positioning hole, 21-weak electric circuit board, 22-wiring frame, 23-threaded fastener and 24-terminal seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 1:
the circuit board contact isolation structure of the smart socket is used in the smart socket shown in fig. 1, and for convenience of description, the up-down direction of fig. 1 is defined as the up-down direction of the smart socket. The intelligent socket comprises a socket shell 10, the socket shell 10 is used for being installed in a bottom box on a wall, a cavity is arranged in the socket shell 10, an opening of the cavity faces upwards, and a strong current circuit board 7, a lower support 8 and an upper support 6 are sequentially arranged in the cavity. The utility model discloses a smart jack's circuit board contact isolation structure just includes forceful electric power circuit board 7 and lower carriage 8. The upper bracket 6 is provided with a two-hole safety door 3 and a three-hole safety door 4. The intelligent socket further comprises a safety door gland 2 and a decorative cover 1, wherein the safety door gland 2 is fixed at the opening at the top of the socket shell 10 through screws at four corners, and the internal parts of the socket shell 10 are sealed. The decorative cover 1 is buckled on the tops of the socket shell 10 and the safety door gland 2 and is used as the decoration of the intelligent socket.
In this embodiment, the plate body of the lower bracket 8 forms a lining plate 11, as shown in fig. 4, the lining plate 11 is located above the strong electric circuit board 7, the top surface thereof supports the insertion spring 5, and also fixes the weak electric circuit board 21, and the whole lining plate 11 is used for isolating the electrical components on both sides. The plug-in elastic sheet 5 is used for plugging a corresponding plug, as shown in fig. 6, a part of the plug-in elastic sheet 5 is bent downwards to form three welding sheet parts 18, three elastic sheet through holes 19 corresponding to the three welding sheet parts 18 are formed in the lining plate 11, and as shown in fig. 4, the elastic sheet through holes 19 are used for inserting the welding sheet parts 18.
As shown in fig. 2, 3, 4 and 6, the strong electric circuit board 7 is provided with three spring plate positioning holes 20 corresponding to the positions of the three soldering tab portions 18, the three spring plate positioning holes 20 are arranged side by side, the soldering tab portions 18 pass through the spring plate through holes 19 (refer to fig. 4) and the spring plate positioning holes 20 and partially protrude from the lower plate surface of the strong electric circuit board 7, the soldering tab portions 18 are fixed to the strong electric circuit board 7 by welding, and the fixed three soldering tab portions 18 are also arranged side by side.
The lower plate of the strong current circuit board 7 is provided with a plurality of circuit board contacts, which include two types, respectively, spring plate welding points and incoming line terminal contacts. As can be seen from the above, the spring plate welding point is used to be welded to the welding portion 18 of the plug-in spring plate 5, so that the spring plate welding point is formed by the spring plate positioning hole 20 and the plug-in spring plate welding portion. And the incoming line terminal contact is used for being correspondingly connected with an incoming line terminal on the intelligent socket. Three conductive crimping pieces 9 are fixed on the strong electric circuit board 7 by welding, and the parts of the strong electric circuit board 7 welded with the conductive crimping pieces 9 form terminal contacts. The elastic sheet welding point and the connecting terminal contact on the strong current circuit board 7 respectively comprise a zero line contact, a ground line contact and a live line contact so as to be correspondingly connected with the zero line, the ground line and the live line respectively. In this embodiment, the neutral wire contact and the live wire contact are respectively disposed on two sides of the ground wire contact.
As shown in fig. 1 and 7, the socket housing 10 is provided with a terminal block 24, and the terminal block 24 includes three independent blocks arranged side by side, and a space inside the blocks is used for installing a terminal. The wiring terminal comprises a threaded fastener 23 and a wiring frame 22, wherein the wiring frame 22 is used for inserting a lead; the frame wall of the wire frame 22 is provided with a threaded hole which is in threaded fit with the threaded fastener 23, and the wire frame 22 can be driven to move along the axial direction of the threaded fastener 23 by rotating the threaded fastener 23. The conductive crimping pieces 9 are inserted into the wire frame 22 and are fitted to the frame wall of the wire frame 22. During the use, the wire penetrates from the entrance hole of socket casing 10, inserts in wire frame 22, rotates threaded fastener 23 for wire frame 22 compresses tightly the lateral wall of wire and moves towards electrically conductive crimping piece 9, thereby presss from both sides tight wire, and the wire realizes the conductive connection through electrically conductive crimping piece 9 and forceful electric power circuit board 7, and then when switch circuit on smart jack switched on, the realization was connected with the electrically conductive of each grafting shell fragment 5.
As shown in fig. 3, 4, 5 and 7, two insulating spacers 13 are disposed at the bottom of the lining board 11, and two contact isolation slots, namely a live contact isolation slot 14 and a neutral contact isolation slot 12, are correspondingly disposed on the high-voltage circuit board 7. During assembly, the two insulating spacers 13 are correspondingly inserted into the live wire contact isolation groove 14 and the zero wire contact isolation groove 12 respectively, so that circuit board contacts on the strong current circuit board 7 at two sides of the contact isolation grooves can be isolated. In this embodiment, the zero contact isolation slot 12 is used to isolate the ground contact from the neutral contact, and the live contact isolation slot 14 is used to isolate the ground contact from the live contact. The two contact isolation grooves are respectively and correspondingly arranged between two adjacent elastic sheet positioning holes 20, so that the circuit board contacts on any side of the groove width direction of the two contact isolation grooves all comprise elastic sheet welding points and incoming line terminal contacts. The elastic sheet welding points and the incoming line terminal contacts which are positioned on the same side of each contact isolation groove are arranged along the extending direction of the corresponding contact isolation groove, so that the insulating isolation sheet 13 (shown in figure 5) can isolate the elastic sheet welding points and the connecting terminal contacts on the two sides of the width direction of the contact isolation groove corresponding to the insulating isolation sheet, and the reliability of the intelligent socket is improved.
As shown in fig. 3, the live line contact isolation groove 14 and the neutral line contact isolation groove 12 both include a straight section 15 and an inclined section 16, the straight section 15 has two sections, one of the sections corresponds to the welding point of the elastic sheet, and the other section corresponds to the connection terminal; the inclined section 16 is provided with one section and is connected between the two straight sections 15. The inclined sections 16 of the live contact isolation groove 14 and the neutral contact isolation groove 12 are arranged in a splayed manner, so that two different distances are formed between the corresponding straight sections of the live contact isolation groove 14 and the neutral contact isolation groove 12, namely, the distances between the two ends of the live contact isolation groove 14 and the two ends of the neutral contact isolation groove 12 are different. In this embodiment, the distance between the two straight sections corresponding to the connecting terminal on the live wire contact isolation groove 14 and the zero line contact isolation groove 12 is greater than the distance between the two straight sections corresponding to the elastic sheet welding point on the live wire contact isolation groove 14 and the zero line contact isolation groove 12, so that the requirement of a large distance between connecting terminal contacts can be met, and the arrangement of the connecting terminal is more convenient.
As shown in fig. 8, in order to facilitate the insertion of the insulating spacer 13 into the live contact isolation slot 14 and the neutral contact isolation slot 12, chamfers are provided on the lower side edges of the two flat sections 15 of the insulating spacer 13 at the corner positions away from the inclined sections, the chamfers are convenient to process, and the chamfers form an inclined guide surface 17 to guide the insulating spacer 13 to be inserted into the live contact isolation slot 14 and the neutral contact isolation slot 12.
When the insulating spacer 13 is inserted into the corresponding live wire contact isolation groove 14 and the zero wire contact isolation groove 12, the lower edge of the insulating spacer 13 is not lower than the lower plate surface of the lining plate 11, so that the interference of the assembly of the wiring terminal can be avoided.
The utility model discloses a smart jack's circuit board contact isolation structure passes through the welt and keeps apart the electrical components of forceful electric power circuit board and welt opposite side to prevent the phenomenon of short circuit, on this basis, set up insulating barrier sheet in the bottom of welt again, through inserting insulating barrier sheet in the corresponding contact isolated slot on the forceful electric power circuit board, with isolated forceful electric power circuit board on adjacent circuit board contact, further prevent that the last adjacent circuit board contact of forceful electric power circuit board from connecting and the phenomenon of taking place the short circuit. Compared with the prior art, need not to set up the interval of adjacent circuit board contact on the forceful electric power circuit board bigger, like this, it is lower to the space requirement on the circuit board, and then is favorable to the overall arrangement of the electrical part on the circuit board.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 2:
the difference between this embodiment and the above embodiment 1 is that in embodiment 1, the insulating spacer 13 simultaneously isolates the spring plate solder points and the incoming terminal contacts on both sides in the slot width direction of the live contact isolation slot 14 and the neutral contact isolation slot 12, whereas in this embodiment, the insulating spacer only isolates the spring plate solder points on both sides in the slot width direction of the live contact isolation slot 14 and the neutral contact isolation slot 12.
In other embodiments, when only the terminal contacts are provided or both the spring plate soldering point and the terminal contacts are provided, the insulating spacer may also only isolate the terminal contacts on both sides of the live wire contact isolation slot and the neutral wire contact isolation slot in the slot width direction.
In other embodiments, two pairs of insulating spacers may be provided, where one pair is used to simultaneously isolate the elastic sheet welding points on the two sides of the slot width direction of the live contact isolating slot and the zero contact isolating slot, and the other pair is used to simultaneously isolate the incoming terminal contacts on the two sides of the slot width direction of the live contact isolating slot and the zero contact isolating slot.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 3:
this embodiment differs from embodiment 1 described above in that in embodiment 1 the ends of the live contact isolation slot 14 and the neutral contact isolation slot 12 are spaced differently. In this embodiment, the distances between the two ends of the live wire contact isolation slot and the neutral wire contact isolation slot are the same. In this case, the live and neutral contact isolation slots are straight slots, i.e. have only one straight section, but no inclined section.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 4:
this embodiment differs from embodiment 1 described above in that in embodiment 1, the live contact isolation slot 14 and the neutral contact isolation slot 12 each include two straight sections 15 and an inclined section 16 connected between the two straight sections, so that the distances between the two ends of the live contact isolation slot 14 and the neutral contact isolation slot 12 are different. In this embodiment, live wire contact isolation groove and zero line contact isolation groove only include one section straight section and one section slope section, and straight section is corresponding with binding post contact, and the slope section corresponds with the shell fragment welding point, can do the width of the welding piece part of grafting shell fragment a little this moment, and is corresponding, reduces the size of the shell fragment locating hole between two contact isolation grooves on the forceful electric power circuit board to the space on the rational utilization forceful electric power circuit board.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 5:
this embodiment differs from embodiment 1 described above in that in embodiment 1, the live contact isolation slot 14 and the neutral contact isolation slot 12 each include two straight sections 15 and an inclined section 16 connected between the two straight sections, so that the distances between the two ends of the live contact isolation slot 14 and the neutral contact isolation slot 12 are different. In this embodiment, one of the live wire contact isolation slot and the neutral wire contact isolation slot only includes a straight section, and the other includes a straight section and an inclined section, so that the distances between the two ends of the live wire contact isolation slot and the neutral wire contact isolation slot are different.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 6:
this embodiment differs from embodiment 1 described above in that the lower edge of the contact spacer in this embodiment is not provided with an inclined guide surface but is a smooth flat surface, and in this case, the size of the contact spacer groove can be made slightly larger as appropriate in order to facilitate the fitting of the contact spacer into the contact spacer groove.
The utility model discloses well smart jack's circuit board contact isolation structure's embodiment 7:
this embodiment differs from embodiment 1 described above in that the inclined guide surface on the insulating spacer is not formed by a chamfer in this embodiment, and the side surface of the insulating spacer is entirely a slope.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (10)
1. Smart jack's circuit board contact isolation structure includes:
the strong current circuit board is provided with circuit board contacts;
the lining plate is arranged above the strong-current circuit board and used for isolating electric elements on two sides of the lining plate;
it is characterized in that the preparation method is characterized in that,
the strong current circuit board is provided with a contact isolation groove which is arranged between two adjacent circuit board contacts;
and the bottom of the lining plate is provided with an insulating spacer which is inserted into the contact isolation groove to isolate two adjacent circuit board contacts.
2. The circuit board contact isolation structure of claim 1, wherein the circuit board contacts on either side of the width direction of each contact isolation slot comprise a spring plate solder joint and a terminal contact;
the elastic piece welding point is used for being connected with an inserting elastic piece of the intelligent socket, and the incoming line terminal contact is used for being connected with an incoming line terminal of the intelligent socket;
the elastic sheet welding points and the incoming line terminal contacts which are positioned on the same side of the contact isolation groove are arranged along the extending direction of the contact isolation groove, and the insulating isolation sheet simultaneously isolates the circuit board contacts on the two sides of the width direction of the contact isolation groove.
3. The circuit board contact isolation structure of a smart jack of claim 1, wherein the circuit board contacts on either side of each contact isolation slot in the slot width direction include only spring plate solder joints or only wire terminal contacts;
the elastic piece welding point is used for being connected with an inserting elastic piece of the intelligent socket, and the incoming line terminal contact is used for being connected with an incoming line terminal of the intelligent socket;
the insulating isolation sheet only isolates the elastic sheet welding points or the incoming terminal contacts on the two sides of the contact isolation groove in the width direction.
4. A circuit board contact isolation structure of a smart socket according to claim 1,
the elastic sheet welding point and the incoming line terminal contact respectively comprise a zero line contact, a ground wire contact and a live wire contact, and the zero line contact and the live wire contact are arranged on two sides of the ground wire contact;
the distances between the ground wire contact in the incoming wire terminal contact and the zero line contact and between the live wire contact in the incoming wire terminal contact are larger than the distances between the ground wire contact in the elastic sheet welding point and the zero line contact and between the ground wire contact in the elastic sheet welding point and the live wire contact;
the contact isolation groove comprises a live wire contact isolation groove and a zero line contact isolation groove, the distance between the two ends of the live wire contact isolation groove and the distance between the two ends of the zero line contact isolation groove are different, and the distance between one end corresponding to the incoming wire terminal contact is larger than the distance between one end corresponding to the elastic sheet welding point.
5. A circuit board contact isolation structure of a smart socket according to claim 4,
the live wire contact isolation groove and the zero wire contact isolation groove respectively comprise a straight section and an inclined section, the straight section is provided with two sections, the inclined section is provided with one section, and the inclined section is connected between the two straight sections;
the two inclined sections are arranged in a splayed manner, so that different distances are formed between the corresponding straight sections of the live wire contact isolation groove and the zero wire contact isolation groove.
6. The circuit board contact isolation structure of claim 4, wherein the live contact isolation groove and the neutral contact isolation groove each comprise only one straight section and one inclined section, the straight sections correspond to the terminal contacts, and the inclined sections correspond to the spring plate welding points.
7. A circuit board contact isolation structure of a smart socket according to claim 1,
the elastic sheet welding point and the incoming line terminal contact respectively comprise a zero line contact, a ground wire contact and a live wire contact, and the zero line contact and the live wire contact are arranged on two sides of the ground wire contact;
the contact isolation groove comprises a live wire contact isolation groove and a zero line contact isolation groove, and the distances between the two sides of the live wire contact isolation groove and the two sides of the zero line contact isolation groove are the same;
the live wire contact isolation groove and the zero line contact isolation groove are straight grooves.
8. The contact isolating structure of the circuit board of a smart jack as claimed in any one of claims 1 to 7, wherein an inclined guide surface is provided between the lower side edge of the insulative spacer and the side edges at both sides in the extending direction thereof, the inclined guide surface being used to guide the insulative spacer to be inserted into the contact isolating groove.
9. The circuit board contact isolation structure of a smart jack of claim 8, wherein the inclined guide surface is formed by a chamfer at a corner of the insulating spacer or is formed by an inclination of the entire side surface of the insulating spacer toward the contact isolation groove.
10. A circuit board contact isolation structure of a smart jack as claimed in any one of claims 1 to 4, wherein the lower edge of the dielectric spacer is not lower than the lower plate surface of the high voltage circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108357.2U CN211126375U (en) | 2020-01-17 | 2020-01-17 | Circuit board contact isolation structure of intelligent socket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108357.2U CN211126375U (en) | 2020-01-17 | 2020-01-17 | Circuit board contact isolation structure of intelligent socket |
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| CN211126375U true CN211126375U (en) | 2020-07-28 |
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| CN202020108357.2U Active CN211126375U (en) | 2020-01-17 | 2020-01-17 | Circuit board contact isolation structure of intelligent socket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484570A (en) * | 2021-07-20 | 2021-10-08 | 浙江习羽智能科技有限公司 | Single-phase electric quantity metering device |
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2020
- 2020-01-17 CN CN202020108357.2U patent/CN211126375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484570A (en) * | 2021-07-20 | 2021-10-08 | 浙江习羽智能科技有限公司 | Single-phase electric quantity metering device |
| CN113484570B (en) * | 2021-07-20 | 2024-04-09 | 浙江习羽智能科技有限公司 | Single-phase electric quantity metering device |
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