CN218735225U - Plug-in plastic circuit board applied to small-sized electrical appliance - Google Patents
Plug-in plastic circuit board applied to small-sized electrical appliance Download PDFInfo
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- CN218735225U CN218735225U CN202222063187.2U CN202222063187U CN218735225U CN 218735225 U CN218735225 U CN 218735225U CN 202222063187 U CN202222063187 U CN 202222063187U CN 218735225 U CN218735225 U CN 218735225U
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Abstract
The utility model provides a be applied to grafting plastic circuit board of small-size electrical apparatus, including plastic circuit board and grafting mechanism, grafting mechanism sets up on plastic circuit board for small-size load and power cord of pegging graft, plastic circuit board includes plastic substrate and copper sheet circuit, copper sheet circuit plastic envelope in on the plastic substrate, grafting mechanism lies in power cord and small-size load junction on the copper sheet circuit. The utility model discloses can realize the pilot lamp, pilot lamp resistance, insurance resistance is integrated to the plastic circuit board on, falls loaded down with trivial details line connection optimization, accomplishes grafting plastic circuit board and is connected with power and small-size load electricity through grafting operation, has easy operation, easily realizes the automated production and joins in marriage the dress, the advantage of cost of using manpower sparingly.
Description
Technical Field
The utility model relates to a small-size domestic appliance field, in particular to be applied to small-size electrical apparatus's grafting plastic circuit board.
Background
The existing small-sized electrical appliance manufacturers generally have low automatic production degree, and the production and assembly of products are completed by manpower, so that the product yield and the production benefit are influenced. In the production of small-sized electric appliances, a power supply and the small-sized electric appliances are connected, and a power indicator lamp circuit and a total circuit fuse are connected, so that a traditional circuit is used, the traditional circuit needs to be externally connected with a fuse resistor on a plug, then the indicator lamp circuit and a small-sized load circuit are connected, and then the indicator lamp circuit and the small-sized load circuit are combined and connected back to the plug. The mode of using the conducting wire for connection is completed manually, the circuit connection is complex, the assembly is complex, and the manual completion efficiency is low. The problems of high labor cost, low production efficiency and incapability of realizing automatic production are solved.
Disclosure of Invention
In order to overcome the problem that prior art exists, the utility model provides a be applied to small-size electrical apparatus's grafting plastic circuit board, including plastic circuit board and grafting mechanism, grafting is moulded the mechanism and is set up on plastic circuit board for small-size load and power cord of pegging graft, plastic circuit board includes plastic substrate and copper sheet circuit, copper sheet circuit plastic envelope in on the plastic substrate, grafting mechanism is located power and small-size load junction on the copper sheet circuit.
The circuit connected with the power supply on the copper sheet circuit is a power supply copper sheet circuit, the circuit connected with the small load on the copper sheet circuit is a small load copper sheet circuit, the indicator lamp and the indicator lamp resistor patch are welded on the power supply copper sheet circuit, the indicator lamp and the indicator lamp resistor are connected in series to form an indicator lamp copper sheet circuit, and the indicator lamp copper sheet circuit is connected with the small load copper sheet circuit in parallel.
Furthermore, the indicator light and the indicator light resistor are integrated on the PCB double-sided board in series, the indicator light copper sheet circuit is located between the PCB double-sided board and the plastic substrate, contact heads are arranged at two ends of the indicator light copper sheet circuit, a position on the PCB double-sided board corresponding to the contact head of the indicator light copper sheet circuit is a contact surface, the PCB double-sided board is electrically connected with the indicator light copper sheet circuit through the contact head contact surface, a positioning convex column is arranged on the plastic substrate, a positioning hole is arranged at a position on the PCB double-sided board corresponding to the positioning convex column of the plastic substrate, and the plastic substrate is fixedly connected with the PCB double-sided board through the matching of the positioning convex column and the positioning hole.
Furthermore, the plug-in mechanism is a plug-in terminal, the plug-in terminal at the positive and negative ends of the small load is welded and fixed at two ends of the small load copper sheet circuit, and the plug-in terminal at the positive and negative ends of the power supply is welded and fixed at two ends of the power supply copper sheet circuit.
Furthermore, the inserting mechanism is a wire clamping groove, the wire clamping groove and the copper sheet circuit are integrally formed in a stamping mode, two ends of the small-size load copper sheet circuit are stamped to form a small-size load positive and negative wire clamping groove, and two ends of the power supply copper sheet circuit are stamped to form a power supply positive and negative wire clamping groove.
Furthermore, an insurance resistor is integrated on the plastic substrate, the insurance resistor is connected with the copper sheet circuit of the indicator lamp and the small-sized load copper sheet circuit in series, and the patch is welded on the copper sheet circuit of the power supply in front of the indicator lamp.
The utility model has the advantages that: the utility model discloses to with the parallelly connected pilot lamp circuit of electrically conductive connection and small-size load circuit integrated to the plastic circuit board on, replace the wire with the copper sheet and integrate on the plastic circuit board. The indicator light circuit may also be integrated onto a PCB double sided board that is riveted to the plastic circuit board. And the copper sheet circuit integrated on the plastic circuit board is provided with the plugging mechanism, so that the power supply and the small-sized load are connected in a plugging way through the plugging mechanism, and the plastic circuit board has the advantages of being simple in operation, easy to realize automatic production and assembly, labor-saving and labor-cost-reducing.
Drawings
Fig. 1 is a plan view of a plastic circuit board according to embodiment 2 of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of the wire clamping groove in FIG. 1;
fig. 3 is an exploded view of a dual-sided PCB integrated socket plastic circuit board according to embodiment 3 of the present invention;
fig. 4 the utility model relates to a be applied to small-size electrical apparatus's grafting plastic circuit board circuit diagram.
Symbolic illustration in the drawings:
the device comprises a power supply positive pole plugging mechanism 1, a power supply negative pole plugging mechanism 2, a safety resistor 3, an indicator lamp 4, a small load positive pole plugging mechanism 5, a small load negative pole plugging mechanism 6, an indicator lamp resistor 7, a plastic substrate 8, a plastic circuit board 9, a copper sheet circuit 10, a copper sheet circuit 11, a PCB double-sided board 12, a positioning hole, a contact head 13 and a positioning convex column 14.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present patent application, unless otherwise explicitly stated or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either fixedly connected or detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Example 1
As shown in fig. 1 to 3, the plug-in plastic circuit board applied to the small electrical appliance comprises a plastic circuit board 9 and plug-in mechanisms (1, 2, 5, 6), wherein the plug-in mechanisms (1, 2, 5, 6) are arranged on the plastic circuit board 9 and used for plugging in a small load and a power line, the plastic circuit board 9 comprises a plastic substrate 8 and a copper sheet circuit 10, the copper sheet circuit 10 is plastically packaged on the plastic substrate 8, and the plug-in mechanisms (1, 2, 5, 6) are positioned at the connection position of the power line and the small load on the copper sheet circuit 10. The positions of the positive pole inserting mechanism and the negative pole inserting mechanism of the power supply can be interchanged, and are not limited to the positions of the positive pole inserting mechanism and the negative pole inserting mechanism in the attached drawing 1. Correspondingly, the positions of the positive electrode inserting mechanism and the negative electrode inserting mechanism of the small load are also changed along with the exchange of the inserting positions of the positive electrode and the negative electrode of the power supply, and the positions of the positive electrode inserting mechanism and the negative electrode inserting mechanism of the small load are also changed without being limited to the positions of the positive electrode inserting mechanism and the negative electrode inserting mechanism of the small load in the attached drawing 1. In the embodiment, the plastic circuit board 9 is formed by plastic-molding a copper sheet circuit 10 on the plastic substrate 8, the copper sheet circuit 10 is a template designed according to a circuit schematic diagram, then the copper sheet is placed in a punching machine, the punching machine punches the copper sheet circuit 10 according to the template designed according to the circuit schematic diagram, and the copper sheet circuit 10 is required to be provided with the plugging mechanisms (1, 2, 5 and 6). The copper sheet is selected to replace a lead to be plastically packaged on the plastic circuit board 9 to form a circuit, and a copper wire is not selected because the shape of the copper wire cannot provide an area or space for arranging the plugging mechanism if the copper wire is selected. The utility model discloses utilize the copper sheet to replace wire plastic envelope to plastic substrate 8 on, then small-size load and power connection department set up grafting mechanism (1, 2, 5, 6) on the copper sheet circuit, realize only needing a slice grafting plastic circuit board to replace the function of loaded down with trivial details complicated line connection power and small-size load, integrated grafting mechanism (1, 2, 5, 6) on the plastic circuit board 9, make connecting source and small-size load get the operation and need not artifical wiring, only need simple mechanical grafting operation just can accomplish, the labour has been saved, the operation automation has been realized, realize the automation for small-size electrical apparatus production and provide the possibility.
Further, as shown in fig. 1 to 3, in this embodiment, the plugging mechanism (1, 2, 5, 6) is a plugging terminal, the plastic substrate 8 is integrated with an indicator lamp 4, an indicator lamp resistor 7, a plugging terminal and a copper sheet circuit 10, the indicator lamp 4 and the indicator lamp resistor 7 are soldered on the copper sheet circuit 10, the indicator lamp 4 and the indicator lamp resistor 7 are connected in series to form a serial indicator lamp copper sheet circuit, the indicator lamp copper sheet circuit is connected in parallel with the small load copper sheet circuit, the small load positive terminal plugging terminal 5 and the small load negative terminal plugging terminal 6 are welded and fixed at two ends of the small load copper sheet circuit, and the power supply positive terminal plugging terminal 1 and the power supply negative terminal plugging terminal 2 are welded and fixed at two ends of the indicator lamp copper sheet circuit. The plug-in plastic circuit board is suitable for assembling various small electrical appliances, and a circuit can be formed only by plugging a power supply and a small load onto the plug-in plastic circuit board, so that the plug-in plastic circuit board has the functions of starting power supply connection and a work indicator lamp. The operation is simple, manual wiring is not needed, and the automatic production of small household appliances can be realized.
Further, as shown in fig. 1 to fig. 3, a safety resistor 3 is integrated on the plastic circuit board 9, the safety resistor 3 is connected in series with the copper sheet circuit of the indicator light and the small load copper sheet circuit, and the patch is welded on the copper sheet circuit in front of the indicator light. If there is a protective switch, for example an air switch, on the overall circuit, the safety resistor 3 may not be integrated into the plastic circuit board 9, taking into account costs. If there is no protection switch on the overall circuit, the safety resistor 3 is integrated on the plastic circuit board 9.
Example 2
The same technical features in embodiment 2 as those in embodiment 1 are not described again, and the different features in embodiment 2 from those in embodiment 1 are: the plug-in mechanisms (1, 2, 5 and 6) are wire clamping grooves, and the wire clamping grooves and the copper sheet circuit are integrally formed in a stamping mode. As shown in fig. 3, the wire clamping groove is schematically shown. The wire clamping groove and the copper sheet circuit 9 are integrally formed by punching, namely, the wire clamping groove is directly punched on the copper sheet circuit at the connection position of the small load and the power supply. A wire clamping groove structure is designed at the position where a power supply and a small load are connected in a copper sheet circuit model even when the circuit model is designed. When the copper sheet is punched through the punching machine, the line clamping groove is punched at the position, electrically connected with the small load and the power supply, on the copper sheet circuit. This structure is the same as that of embodiment 1 in that the plug-in means (1, 2, 5, 6) are plug-in terminals, and the same function is achieved, but the structure is simpler and easier to implement.
Example 3
The same technical features in embodiment 3 as those in embodiments 1 and 2 are not described again, and the features of embodiment 3 different from those in embodiments 1 and 2 are as follows: the indicating lamp 4 and the indicating lamp resistor 7 are integrated on the PCB double-sided board 11 in series, the indicating lamp copper sheet circuit is located between the PCB double-sided board 11 and the plastic substrate 8, the contact heads 13 are arranged at two ends of the indicating lamp copper sheet circuit, the position, corresponding to the contact heads of the indicating lamp copper sheet circuit, on the PCB double-sided board 11 is a contact surface, and the PCB double-sided board 11 is electrically connected with the indicating lamp copper sheet circuit through the contact of the contact heads 13 and the contact grooves. The plastic substrate is provided with a positioning convex column 14, a positioning hole 12 is set at the corresponding position of the PCB double-sided board 11 and the positioning convex column 14 of the plastic substrate 8, and the PCB double-sided board 11 and the plastic substrate 8 are connected with the positioning hole 12 through the positioning convex column 14 in a riveting mode. The above structure can also realize the functions of plug-in connection with small loads and power supplies, and starting power supply connection and work indicator lamps. The operation is simple, and the automatic production of small household appliances can be realized without manual wiring. And the PCB double-sided board is a mature process, is applied to the manufacture of the plug-in plastic circuit board, has less precondition investment, and can realize the mass production of the plastic circuit board more quickly.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (6)
1. The plug-in plastic circuit board is characterized by comprising a plastic circuit board and a plug-in mechanism, wherein the plug-in mechanism is arranged on the plastic circuit board and is used for plugging a small load and a power line, the plastic circuit board comprises a plastic substrate and a copper sheet circuit, the copper sheet circuit is plastically packaged on the plastic substrate, and the plug-in mechanism is positioned at the joint of the power source and the small load on the copper sheet circuit.
2. The plastic circuit board for plugging applied to small-sized electric appliances according to claim 1, further comprising an indicator light and an indicator light resistor, wherein the circuit connected to the power supply on the copper sheet circuit is a power supply copper sheet circuit, the circuit connected to the small-sized load on the copper sheet circuit is a small-sized load copper sheet circuit, the indicator light and the indicator light resistor patch are welded on the power supply copper sheet circuit, the indicator light and the indicator light resistor are connected in series to form an indicator light copper sheet circuit, and the indicator light copper sheet circuit is connected in parallel with the small-sized load copper sheet circuit.
3. The plugging plastic circuit board for small electric appliances of claim 2, wherein the indicator light and the indicator light resistor are integrated in series on a PCB double-sided board, the indicator light copper sheet circuit is located between the PCB double-sided board and the plastic substrate, contact terminals are disposed at two ends of the indicator light copper sheet circuit, a position on the PCB double-sided board corresponding to the contact terminals of the indicator light copper sheet circuit is a contact surface, the PCB double-sided board and the indicator light copper sheet circuit are electrically connected through the contact terminals, the plastic substrate is provided with positioning convex columns, positioning holes are disposed at positions on the PCB double-sided board corresponding to the positioning convex columns of the plastic substrate, and the plastic substrate and the PCB double-sided board are fixedly connected through riveting of the positioning convex columns and the positioning holes.
4. The plastic circuit board for small electrical appliances according to claim 3, wherein the plugging means is a plugging terminal, the two ends of the copper sheet circuit for small load are welded and fixed with the plugging terminal for positive and negative terminals of small load, and the two ends of the copper sheet circuit for power supply are welded and fixed with the plugging terminal for positive and negative terminals of power supply.
5. The plastic circuit board for plugging applied to small electric appliances according to claim 3, wherein the plugging mechanism is a wire clamping groove, the wire clamping groove and the copper sheet circuit are integrally formed by punching, two ends of the small load copper sheet circuit are punched to form a small load positive and negative wire clamping groove, and two ends of the power supply copper sheet circuit are punched to form a power supply positive and negative wire clamping groove.
6. The plugging plastic circuit board applied to small-sized electric appliances according to any one of claims 4 and 5, further comprising a safety resistor integrated on the plastic circuit board, wherein the safety resistor is connected in series with the indicator light copper sheet circuit and the small-sized load copper sheet circuit, and the patch is welded on the power supply copper sheet circuit in front of the indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222063187.2U CN218735225U (en) | 2022-07-30 | 2022-07-30 | Plug-in plastic circuit board applied to small-sized electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222063187.2U CN218735225U (en) | 2022-07-30 | 2022-07-30 | Plug-in plastic circuit board applied to small-sized electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218735225U true CN218735225U (en) | 2023-03-24 |
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ID=85628211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222063187.2U Active CN218735225U (en) | 2022-07-30 | 2022-07-30 | Plug-in plastic circuit board applied to small-sized electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218735225U (en) |
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2022
- 2022-07-30 CN CN202222063187.2U patent/CN218735225U/en active Active
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