CN209200299U - One kind having electric current instantaneous overload defencive function connector - Google Patents
One kind having electric current instantaneous overload defencive function connector Download PDFInfo
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- CN209200299U CN209200299U CN201821752798.5U CN201821752798U CN209200299U CN 209200299 U CN209200299 U CN 209200299U CN 201821752798 U CN201821752798 U CN 201821752798U CN 209200299 U CN209200299 U CN 209200299U
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- printed board
- mounting hole
- pad
- fixed
- board assembly
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Abstract
The utility model, which provides one kind, has electric current instantaneous overload defencive function connector, is not easy to operation and maintenance after solving safeguard structure fuse failure in the prior art, radiates bad, be prone to accidents, the bad problem of maintainability.The connector of the utility model includes plug, the first printed board assembly and the second printed board assembly, the plug includes plug casing, insulator, contact, first printed board assembly includes the first printed board pad, is welded with diode above the first printed board pad；Second printed board assembly includes the second printed board pad, is fixed with fuse in the second printed board pad solder.The overload protection connector of the utility model is that fuse is serially connected in overload circuit by way of printed board, which has the advantages that space utilization rate is high, fixes convenient for fuse installation, is easy to radiate compared with the structure that conventional wires connect.
Description
Technical field
The utility model belongs to low frequency modularization connector technique field, is related to a kind of with electric current instantaneous overload protection function
It can connector.
Background technique
There are electric current instantaneous overload phenomenon in certain circuit systems, this overload current can cause sensitive components in circuit
Destructiveness damage, damages equipment.It is adversely affected caused by component to eliminate current overload, needs to take certain protection
Measure, the common practice are to increase fuse in the line.
The circuit that overload protection connector is suitable for having overload hidden danger, to prevent overload current in route and route
Component damages, and needs inline fuse in the loop.Existing safeguard structure is by conducting wire by fuse series connection
In entry loop, but usually product circuit is intricate, is not easy to operation and maintenance after fuse failure, in addition needs to fuse
The distance between want encapsulating to be fixed, and control bad each fuse, it radiates bad, is prone to accidents, maintainability
It is bad.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of with the connection of electric current instantaneous overload defencive function
Device.After fuse is integrated in connector by the connector, if current-limiting function failure only needs to replace faulty connector,
Greatly facilitate later maintenance.
In order to achieve the above object, the utility model adopts the following technical solution: one kind having the protection of electric current instantaneous overload
Functional connector, the connector include plug, the first printed board assembly and the second printed board assembly, and the plug includes jack shell
Body, insulator, contact, the insulator are mounted on plug casing internal cavities, and contact is vertically installed inside insulator,
The upper surface quadrangle of plug casing is equipped with the mounting hole A to protrusion above plug casing, and first printed board assembly is mounted on
Above plug casing, the second printed board assembly is mounted on above the first printed board assembly, and first printed board assembly includes the
One printed board pad is welded with diode above the first printed board pad；Second printed board assembly includes second
Printed board pad is respectively welded in the upper and lower surfaces of the second printed board pad and is fixed with fuse.
Further, multiple inner hole A are equipped on the first printed board pad, the quadrangle of the first printed board pad is equipped with
Mounting hole B corresponding with mounting hole location A is equipped with inner hole B, the quadrangle of the second printed board pad on the second printed board pad
It is respectively equipped with mounting hole C corresponding with mounting hole B location, contact tail end passes through the inner hole A of the first printed board pad, and
The pin of contact is fixed with the first printed board pad solder, installs swivel nut in mounting hole B, by the first printed board pad and is inserted
Casing is fixed, and the second printed board pad is placed in swivel nut top, and swivel nut is corresponding with the position of mounting hole C, the tail end of contact
Across the inner hole B of the second printed board pad, and by contact pin and the second printed board pad solder, in mounting hole A, installation
Mounting screw component A in hole B and mounting hole C tightens the first printed board assembly, the second printed board assembly and plug casing solid
It is fixed.
Further, diode, diode are respectively fixed in the first printed board pad upper surface front-end and back-end
The pin A at both ends is fixed with the first printed board pad solder, and diode is fixed using fire retardant glue A.
Further, it is respectively welded in the upper and lower surfaces of the second printed board pad and is fixed with fuse, protected
The pin B at dangerous silk both ends is fixed with the second printed board pad solder, and fuse is fixed using fire retardant glue B.
Further, it is equipped with mounting hole D adjacent to the outside of mounting hole A in the top of the plug casing, plug casing
Top is equipped with closing hood, close the quadrangle of hood by mounting hole D mounting screw component B will close hood and jack shell
Body is fixed, and the first printed board assembly and the second printed board assembly are enclosed in plug casing and closed in the cavity that hood is formed.
Compared with prior art, the utility model has the following beneficial effects: the utility model has overload protection function
Installation insurance silk, the fuse of different size have different safe currents in printed board in the connector of energy, and user can basis
Requirement is matched, and overload protection connector is series in overload circuit, safe greater than fuse when occurring in circuit
When the overload current of value, fuse will permanently fuse, and disconnect overload circuit, protect other components in circuit not by
It burns out, after connector failure, connector can be extracted, the connector more renewed greatly facilitates later maintenance.
The overload protection connector of the utility model is that fuse is serially connected in overload circuit by way of printed board
In, which has space utilization rate height, fixes convenient for fuse installation, is easy to scattered compared with the structure that conventional wires connect
The advantages of heat (heat that fuse generates when current overload is higher, Yi Fasheng safety accident).
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of plug；
Fig. 3 is the structural schematic diagram of the first printed board assembly；
Fig. 4 is the structural schematic diagram of the second printing board group valence；
Fig. 5 is the mounting structure schematic diagram of plug, the first printed board assembly and the second printed board assembly；
In figure: 1- plug；1-1- plug casing；1-2- insulator；1-3- contact；1-4- mounting hole A；1-5- installation
Hole D；
The first printed board assembly of 2-；2-1- the first printed board pad；2-1-1- inner hole A；2-1-2- mounting hole B；2-2- bis-
Pole pipe；2-2-1- pin A；2-3- fire retardant glue A；
The second printed board assembly of 3-；3-1- the second printed board pad；3-1-1- inner hole B；3-1-2- mounting hole C；3-2- is protected
Dangerous silk；3-2-1- pin B；3-3- fire retardant glue；
4- swivel nut；5- screw assembly A；6- screw assembly B；7- closes hood.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-2, a kind of to have electric current instantaneous overload defencive function connector, which includes that plug 1, first prints
Making sheet component 2 and the second printed board assembly 3, the plug 1 include plug casing 1-1, insulator 1-2, contact 1-3, described
Insulator 1-2 is mounted on plug casing 1-1 internal cavities, and contact 1-3 is vertically installed in insulator 1-2 interior bore, inserts
The upper surface quadrangle of casing 1-1 is equipped with the mounting hole A1-4 to protrusion above plug casing 1-1, first printed board assembly
2 are mounted on above plug casing 1-1, and the second printed board assembly 3 is mounted on 2 top of the first printed board assembly, first printing
Board group part 2 includes the first printed board pad 2-1, is welded with diode 2-2 above the first printed board pad 2-1；It is described
Second printed board assembly 3 includes the second printed board pad 3-1, is distinguished in the upper and lower surfaces of the second printed board pad 3-1
It is welded with fuse 3-2.
Multiple inner hole A2-1-1, the quadrangle of the first printed board pad 2-1 are equipped on the first printed board pad 2-1
Equipped with mounting hole B2-1-2 corresponding with the position mounting hole A1-4, inner hole B3-1-1 is equipped on the second printed board pad 3-1,
The quadrangle of second printed board pad 3-1 is respectively equipped with mounting hole C3-1-2 corresponding with the position mounting hole B2-1-2, contact
1-3 tail end passes through the inner hole A2-1-1 of the first printed board pad 2-1, and the pin of contact 1-3 and the first printed board pad
2-1 is welded and fixed, and swivel nut 4 is installed in mounting hole B2-1-2, the first printed board pad 2-1 and plug casing 1-1 is fixed, the
Two printed board pad 3-1 are placed in 4 top of swivel nut, and swivel nut 4 is corresponding with the position of mounting hole C3-1-2, the tail end of contact 1-3
It is welded across the inner hole B3-1-1 of the second printed board pad 3-1, and by contact 1-3 pin and the second printed board pad 3-1,
The mounting screw component A5 in mounting hole A1-4, mounting hole B2-1-2 and mounting hole C3-1-2, by the first printed board assembly 2,
Two printed board assembly 3 and plug casing 1-1 tighten fixation.
Diode 2-2, diode 2-2 are respectively fixed in the first printed board upper surface pad 2-1 front-end and back-end
The pin A2-2-1 at both ends is welded and fixed with the first printed board pad 2-1, and diode 2-2 is fixed using fire retardant glue A2-3.
It is respectively welded in the upper and lower surfaces of the second printed board pad 3-1 and is fixed with fuse 3-2, insured
The pin B3-2-1 and the second printed board pad 3-1 at the both ends silk 3-2 are welded and fixed, and fuse 3-2 is fixed using fire retardant glue B3-3.
Mounting hole D1-5, plug casing 1-1 are equipped with adjacent to the outside of mounting hole A1-1 in the top of the plug casing 1-1
Top be equipped with closing hood 7, close hood 7 quadrangle by mounting hole D1-5 mounting screw component B6 will close tail
Cover 7 is fixed with plug casing 1-1, and the first printed board assembly 2 and the second printed board assembly 3 are enclosed in plug casing 1-1 and envelope
It closes in the cavity of the formation of hood 7.
In the connector with overload protection function of the utility model in printed board installation insurance silk, pass through printing
Circuit board wiring realizes the connection of fuse and contact, and the fuse of different size has different safe currents, user Ke Gen
It is matched according to requirement, overload protection connector is series in overload circuit, when appearance is greater than fuse peace in circuit
When full overload current, fuse will permanently fuse, and disconnect overload circuit, protect other components in circuit not by
It burns out, after connector failure, connector can be extracted, the connector more renewed greatly facilitates later maintenance.Specifically make
Used time can increase the quantity of printed board assembly according to actual demand, and the specification of contact is selected according to the size of operating current.
Selected fuse should be able to meet when being more than safe current, should be able to fuse before the deadline, fusing time should not mistake
It is long, to ensure circuit safety.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind has electric current instantaneous overload defencive function connector, which is characterized in that the connector includes plug, the first printing
Board group part and the second printed board assembly, the plug include plug casing, insulator, contact, and the insulator is mounted on slotting
Casing internal cavities, contact are vertically installed inside insulator, and the upper surface quadrangle of plug casing is equipped with to plug casing
The mounting hole A of top protrusion, first printed board assembly are mounted on above plug casing, and the second printed board assembly is mounted on the
Above one printed board assembly, first printed board assembly includes the first printed board pad, is welded above the first printed board pad
It connects and is fixed with diode；Second printed board assembly includes the second printed board pad, is fixed in the second printed board pad solder
There is fuse.
2. as described in claim 1 a kind of have electric current instantaneous overload defencive function connector, which is characterized in that described the
One printed board pad is equipped with multiple inner hole A, and the quadrangle of the first printed board pad is equipped with installation corresponding with mounting hole location A
Hole B is equipped with inner hole B on the second printed board pad, and the quadrangle of the second printed board pad is respectively equipped with opposite with mounting hole B location
The mounting hole C answered, contact tail end pass through the inner hole A of the first printed board pad, and the pin of contact and the first printed board
Pad solder is fixed, and installs swivel nut in mounting hole B, and the first printed board pad is fixed with plug casing, the second printed board weldering
Disk is placed in swivel nut top, and swivel nut is corresponding with the position of mounting hole C, and the tail end of contact passes through the inner hole of the second printed board pad
B, and by contact pin and the second printed board pad solder, the mounting screw group in mounting hole A, mounting hole B and mounting hole C
First printed board assembly, the second printed board assembly and plug casing are tightened fixation by part A.
3. as described in claim 1 a kind of have electric current instantaneous overload defencive function connector, which is characterized in that described the
One printed board pad upper surface front-end and back-end is respectively fixed with diode, and the pin A at diode both ends and the first printed board are welded
Disk is welded and fixed, and diode is fixed using fire retardant glue A.
4. as described in claim 1 a kind of have electric current instantaneous overload defencive function connector, which is characterized in that described the
The upper and lower surfaces of two printed board pads, which are respectively welded, is fixed with fuse, the printing of the pin B at fuse both ends and second
Plate pad solder is fixed, and fuse is fixed using fire retardant glue B.
5. as described in claim 1 a kind of with electric current instantaneous overload defencive function connector, which is characterized in that inserted described
The top of casing is equipped with mounting hole D adjacent to the outside of mounting hole A, and the top of plug casing is equipped with closing hood, closes hood
Quadrangle by mounting hole D mounting screw component B will close hood and fix with plug casing, by the first printed board assembly with
Second printed board assembly is enclosed in plug casing and closes in the cavity that hood is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752798.5U CN209200299U (en) | 2018-10-29 | 2018-10-29 | One kind having electric current instantaneous overload defencive function connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752798.5U CN209200299U (en) | 2018-10-29 | 2018-10-29 | One kind having electric current instantaneous overload defencive function connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200299U true CN209200299U (en) | 2019-08-02 |
Family
ID=67409348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821752798.5U Active CN209200299U (en) | 2018-10-29 | 2018-10-29 | One kind having electric current instantaneous overload defencive function connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200299U (en) |
-
2018
- 2018-10-29 CN CN201821752798.5U patent/CN209200299U/en active Active
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