CN206993488U - A kind of printed substrate and breaker - Google Patents
A kind of printed substrate and breaker Download PDFInfo
- Publication number
- CN206993488U CN206993488U CN201721010190.0U CN201721010190U CN206993488U CN 206993488 U CN206993488 U CN 206993488U CN 201721010190 U CN201721010190 U CN 201721010190U CN 206993488 U CN206993488 U CN 206993488U
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- printed substrate
- leakage current
- integrated chip
- actuating mechanism
- test integrated
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Abstract
The utility model provides a kind of printed substrate and breaker, and the printed substrate includes：Leakage current test integrated chip and decompression current limiting capacitance, wherein, the decompression current limiting capacitance electrically connects with the leakage current test integrated chip, and the decompression current limiting capacitance is ceramic paster electric capacity.It can be seen that thin-film capacitor is replaced with patch capacitor, substantially reduces the volume of whole breaker by this programme compared to prior art.Except this, the utility model also changes actuating mechanism and the connected mode of printed substrate, is changed to wire connection by existing grafting welding manner so that actuating mechanism and the installation site of printed substrate are freer.
Description
Technical field
It the utility model is related to technical field of semiconductors, more particularly to a kind of printed substrate and breaker.
Background technology
With the continuous development of science and technology, the function of electronic equipment is more and more, also, the volume of electronic equipment tends to be small-sized
Change development.At present, conventional 2P residual current action breakers are spelled by circuit-breakers for over-current protection and protective device of leakage current
Dress forms, and its width is generally 72mm, and space-consuming is larger.Therefore, how a kind of breaker is provided, is realizing overcurrent protection
And on the premise of residual current protection, the volume of breaker is reduced, turn into those skilled in the art's a great problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of printed substrate and breaker, can reduce the body of breaker
Product, width is only 36mm.
Specifically, the utility model provides following technical scheme：
A kind of printed substrate, including：Leakage current test integrated chip and decompression current limiting capacitance,
The decompression current limiting capacitance electrically connects with the leakage current test integrated chip, and the decompression current limiting capacitance is pottery
Porcelain patch capacitor.
Optionally, in addition to：
Current transformer, the current transformer and the first terminals and second of the leakage current test integrated chip
Terminals are connected, and detect the residual current of breaker.
Optionally, in addition to：
Actuating mechanism, threeth terminals and fourth wiring of the actuating mechanism with the leakage current test integrated chip
End is connected, and when the leakage current test integrated chip detects leakage current, the actuating mechanism performs trip action.
Optionally, in addition to：
Wire, one end of the wire are provided with metal wiring terminal, and the metal wiring terminal is weldingly fixed on described
On the predeterminated position of printed substrate, the other end of the wire is provided with the female of connection terminal；
Accordingly, the input of the actuating mechanism is provided with the male of connection terminal.
Optionally, back-off structure is provided with the male, so that the male is connected with each other with the female.
Optionally, the female of the more wires is arranged with a plastic casing.
A kind of breaker, including the printed circuit board (PCB) that any one is above-mentioned.
From such scheme, the utility model provides a kind of printed substrate, including：Leakage current test integrated chip
And decompression current limiting capacitance, wherein, the decompression current limiting capacitance electrically connects with the leakage current test integrated chip, and the drop
Pressure current limiting capacitance is ceramic paster electric capacity.It can be seen that thin-film capacitor compared to prior art, is replaced with patch capacitor by this programme,
Substantially reduce the volume of whole breaker.Except this, the utility model is also by actuating mechanism and the connected mode of printed substrate
Change, wire connection is changed to by existing grafting welding manner so that actuating mechanism and the installation site of printed substrate are more
Freely.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of circuit theory diagrams for printed substrate that the utility model embodiment provides；
Fig. 2 is the circuit theory diagrams for another printed substrate that the utility model embodiment provides；
Fig. 3 is the installation of actuating mechanism and printed substrate in a kind of printed substrate that the utility model embodiment provides
Schematic diagram；
Fig. 4 is the scheme of installation of wire in a kind of printed substrate that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to a kind of electricity for printed substrate that Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 provide for the utility model embodiment
Road schematic diagram, the wherein printed substrate include：Leakage current test integrated chip U1 and decompression current limiting capacitance C1.
Specifically, the decompression current limiting capacitance C1 electrically connects with the leakage current test integrated chip U1, and the decompression
Current limiting capacitance is ceramic paster electric capacity.
It should be noted that in the present embodiment, leakage current test integrated chip U1 is the specific integrated electricity of detection leakage current
Road IC, during for detecting leakage current, one control signal of output to the 3rd terminals PM4 and the 4th terminals PM5, wherein,
The 3rd terminals PM4 and the 4th terminals PM5 of the leakage current test integrated chip are connected with actuating mechanism (Bobbin),
When the leakage current test integrated chip detects leakage current, the actuating mechanism is controlled to perform trip action.
Inventor has found that in the prior art, electric capacity C1 is using thin-film capacitor, and thin-film capacitor is due to its material technology
Limitation, size is all bigger, and therefore, thin-film capacitor is changed to ceramic paster electric capacity by this programme.But pottery in the market
Porcelain electric capacity applies in general to DC occasions, therefore, in order that the printed wire that ceramic paster electric capacity provides suitable for the present embodiment
Plate by ceramic condenser, it is necessary to be customized to the electric capacity available for 50Hz AC occasions.
Except this, the printed substrate that the present embodiment provides can also include current transformer, specifically, the Current Mutual Inductance
Device is connected with the first terminals PM2 and the second terminals PM3 of the leakage current test integrated chip, for detecting breaker
Residual current.
On the basis of above-described embodiment, the present embodiment additionally provides a kind of connection printed substrate and actuating mechanism
(Bobbin) 301 specific connected mode, as shown in figure 3, in the prior art, the pin of actuating mechanism 301 is directly plugged on print
On brush wiring board 302, then it is welded and fixed and (is such as welded by figure 303 bonding wire).And what the present embodiment provided
Extension Wire 304 on printed substrate 302, actuating mechanism 301 is connected with printed substrate 302 by wire 304.So make
Obtain actuating mechanism 301 and the installation site of printed substrate 302 is more flexible.
Specifically, one end of the wire 304 is provided with metal wiring terminal (F2 and F3), the metal wiring terminal
It is weldingly fixed on the predeterminated position of the printed substrate, the other end of the wire is provided with the female 305 of connection terminal,
Accordingly, the input of the actuating mechanism is provided with the male of connection terminal.
Except this, as shown in figure 4, in the printed substrate that the present embodiment provides, back-off structure is provided with the male, with
The male and the female are connected with each other, and after ensureing male and female insertion, is not drawn out easily.
Further, one end that the present embodiment removes a wire in Fig. 3 has a binding post, different wires
Between, binding post is also outer independently of each other, the female of the more wires can also be provided with a plastic casing, to insert
Connect conveniently.
Except this, the present embodiment additionally provides a kind of breaker, including the printed circuit board (PCB) that any one is above-mentioned.
To sum up, the utility model provides a kind of printed substrate and breaker, and the printed substrate includes：Leakage current
Integrated chip and decompression current limiting capacitance are detected, wherein, the decompression current limiting capacitance and leakage current test integrated chip electricity
Connection, and the decompression current limiting capacitance is ceramic paster electric capacity.It can be seen that this programme replaces thin-film capacitor compared to prior art
Patch capacitor is changed to, substantially reduces the volume of whole breaker.Except this, the utility model is also by actuating mechanism and printed wire
The connected mode of plate changes, and wire connection is changed to by existing grafting welding manner so that actuating mechanism and printed substrate
Installation site is freer.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
- A kind of 1. printed substrate, it is characterised in that including：Leakage current test integrated chip and decompression current limiting capacitance,The decompression current limiting capacitance electrically connects with the leakage current test integrated chip, and the decompression current limiting capacitance pastes for ceramics Chip capacitor.
- 2. printed substrate according to claim 1, it is characterised in that also include：Current transformer, first terminals and second wiring of the current transformer with the leakage current test integrated chip End is connected, and detects the residual current of breaker.
- 3. printed substrate according to claim 2, it is characterised in that also include：Actuating mechanism, the 3rd terminals and the 4th terminals phase of the actuating mechanism and the leakage current test integrated chip Even, when the leakage current test integrated chip detects leakage current, the actuating mechanism performs trip action.
- 4. printed substrate according to claim 3, it is characterised in that also include：Wire, one end of the wire are provided with metal wiring terminal, and the metal wiring terminal is weldingly fixed on the printing On the predeterminated position of wiring board, the other end of the wire is provided with the female of connection terminal；Accordingly, the input of the actuating mechanism is provided with the male of connection terminal.
- 5. printed substrate according to claim 4, it is characterised in that back-off structure is provided with the male, so that The male is connected with each other with the female.
- 6. printed substrate according to claim 5, it is characterised in that the female of the more wires is provided with a modeling Expect shell.
- 7. a kind of breaker, it is characterised in that including the printed substrate as described in any one in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010190.0U CN206993488U (en) | 2017-08-11 | 2017-08-11 | A kind of printed substrate and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010190.0U CN206993488U (en) | 2017-08-11 | 2017-08-11 | A kind of printed substrate and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206993488U true CN206993488U (en) | 2018-02-09 |
Family
ID=61417823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010190.0U Active CN206993488U (en) | 2017-08-11 | 2017-08-11 | A kind of printed substrate and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206993488U (en) |
-
2017
- 2017-08-11 CN CN201721010190.0U patent/CN206993488U/en active Active
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