CN208209163U - A kind of false-touch prevention socket of overcurrent protection - Google Patents
A kind of false-touch prevention socket of overcurrent protection Download PDFInfo
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- CN208209163U CN208209163U CN201820168864.8U CN201820168864U CN208209163U CN 208209163 U CN208209163 U CN 208209163U CN 201820168864 U CN201820168864 U CN 201820168864U CN 208209163 U CN208209163 U CN 208209163U
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Abstract
The utility model discloses a kind of false-touch prevention sockets of overcurrent protection, including jack body, the jack body includes firewire jack and zero line jack, the zero line jack is connect with zero curve on external main circuit, it further include firewire contact-making switch and zero curve contact-making switch, when thering is bolt to be inserted into and be inserted into jack bottom in firewire jack and zero line jack, the firewire jack is just connected with firewire, firewire jack electrification, it can restore current-limiting resistance by installing additional in main circuit and socket circuit respectively, make socket can be with anti-overflow, some socket short circuit will not influence the normal work of other sockets, and it is easy to learn which specific socket has gone out short trouble by socket LED light, it solves in time.
Description
Technical field
The utility model relates to a kind of socket more particularly to a kind of false-touch prevention sockets with overcurrent protection function.
Background technique
The safety accident of power grid happens occasionally, wherein route overcurrent fire, aging circuit fire, electricity consumption maloperation electric shock etc.
Safety accident caused by situation happens occasionally, and largely will cause weight huge economic loss and human safety issues.Current inserts
Seat insert row, largely has a single function that safety is inadequate, has the safety socket of overcurrent protection also expendable, repairs after protection is primary
Multiple trouble has the socket structure of the protection of protection against electric shock complicated, expensive.A kind of socket insert row is needed to solve the above problems.
Chinese patent (notification number: 203434386 U of CN) discloses a kind of safety socket with overcurrent protection comprising
Jack body, the inlet wire of jack body have zero line side, zero line and ground terminal, it is characterized in that: be equipped with can for the zero line
Line disconnection and the automatic recovery of power supply after all loads all remove in the electric current overrate that high power load generates
Overcurrent protector, overcurrent protector includes protector outer casing, the bimetal release being encapsulated in protector outer casing and fever
Resistance, thrermostatic bimetal-plate switch are connected in parallel in zero line with heating resistor.The safety socket is equipped with overcurrent protector, once circuit
It is middle using high-power electric appliance or load short circuits when, can automatically cut off the power, until whole loads on socket remove or short circuit
It can automatically reset after Resolving probiems, socket restores to work normally, the patent double heat gold in the case where short circuit occurs in load
Belong to piece switch to disconnect because high current is generated heat, electric current is by heating resistor, since heating resistor resistance value is very big, keeps main circuit electric
Stream reduces, and realizes overcurrent protection, and the design is sufficiently complex, and the thrermostatic bimetal-plate construction of switch is complicated, at high cost, is not suitable for work
The requirement of production cost is reduced in industry production.
Chinese patent (206685648 U of notification number CN) discloses a kind of safety socket, including shell and shell is intracorporal inserts
Set combination and fire line terminal, sleeve combination include firewire sleeve and zero curve sleeve, and intracorporal each sleeve combination of shell further includes
One open type micro switch mechanism, open type micro switch mechanism are arranged between fire line terminal and firewire sleeve, open type
The triggering push rod of micro switch mechanism is mounted in zero curve sleeve or is leaned against on the outer wall of zero curve sleeve, and the zero curve bolt of plug is inserted
Enter into the zero curve sleeve of socket and in place after, the zero curve bolt of plug directly or indirectly pushes open type micro switch mechanism
Push rod is triggered, open type micro switch mechanism is closed, fire line terminal is connected with firewire sleeve, and plug can normally take electricity,
When plug is not inserted into socket, firewire sleeve is not charged, which cannot achieve overcurrent protection, and anti-error using microswitch realization
Touching, but the structure of microswitch itself determines that the stroke of the triggering push rod is very short, limiting the design can not be by big
Electric current, if distance is very short between movable contact and fixed contact, electric current is very big, necessarily leads to electric spark；It can be seen that it should by specification
Design is in order to avoid generating electric arc, using the mode of movable contact and fixed contact plane contact, to make fire line terminal and firewire
Sleeve conducting, charges socket, but the mode of movable contact and fixed contact plane contact fill movable contact can not with fixed contact
Divide and combine, there can be gap between the two, so that electric spark can be generated, influence equipment life.
Utility model content
Against the above technical problems, the utility model discloses a kind of overcurrent protection structure is simple, high current can be passed through
False-touch prevention socket.
The technical solution of the utility model is as follows:
A kind of false-touch prevention socket of overcurrent protection, including jack body, the jack body include firewire jack and zero curve
Jack, the zero line jack are connect with zero curve on external main circuit, further include firewire contact-making switch and zero curve contact-making switch, described
Firewire contact-making switch includes first connecting rod, conductive sheet, the first arc-shaped conductive film, the second arc-shaped conductive film and the first spring, institute
The side for stating firewire jack, which is formed with firewire jack, can restore elastic slice, and the side of the zero line jack, which is formed with zero line jack, can restore bullet
Piece, the firewire contact-making switch include the second connecting rod, insulating trip, third arc-shaped conductive film, the 4th arc-shaped conductive film and second
Spring.
The first connecting rod, which connects the firewire jack, can restore elastic slice and the first spring, described in the conductive sheet connection
Firewire jack and first arc-shaped conductive film, first spring are connect with first arc-shaped conductive film, first arc
Shape conductive sheet and conductive sheet rotation connect, and when being inserted into bolt in firewire jack, the firewire jack can restore elastic slice quilt
Be squeezed and deformed, push the first connecting rod, make with the first arc-shaped conductive film of first connecting rod elastic connection rotate with it is described
Second arc-shaped conductive film is close to.
Second connecting rod, which connects the zero line jack, can restore elastic slice and second spring, described in the insulating trip connection
Firewire jack and the third arc-shaped conductive film, the second spring are connect with the third arc-shaped conductive film, the third arc
Shape conductive sheet and insulating trip rotation connect, and when being inserted into bolt in the zero line jack, the zero line jack can restore bullet
Piece is deformed, and pushes second connecting rod, make to rotate with the third arc-shaped conductive film of the second connecting rod elastic connection with
4th arc-shaped conductive film is close to.There is above structure to know only when being all inserted into bolt in firewire jack and zero line jack,
The rotation of first arc-shaped conductive film is close to second arc-shaped conductive film, and the rotation of third arc-shaped conductive film is led with the 4th arc
Electric piece is close to.
Preferably, second arc-shaped conductive film is electrically connected with the third arc-shaped conductive film, the 4th arc
Conductive sheet is connect with the firewire, and when being all inserted into bolt in firewire jack and zero line jack, the firewire jack passes through firewire
Jack can restore elastic slice, conductive sheet, the first arc-shaped conductive film, the second arc-shaped conductive film, third arc-shaped conductive film and the 4th arc
Conductive sheet connect conducting with the firewire.
Preferably, the zero line jack can restore the bottom that elastic slice is formed on the zero line jack, only when bolt is thorough
The bottom that the zero line jack is inserted at bottom can just make the zero line jack that can restore elastic slice deformation, and the second connecting rod is pushed to make third
Arc-shaped conductive film rotation is close to the 4th arc-shaped conductive film, and slightly extraction bolt will be such that the zero curve of zero line jack bottom inserts
Hole can restore elastic slice and restore as former state, and entire socket power-off avoids and contacts bolt during plug using the personnel of electric appliance, makes
At electric shock.
Preferably, being connected with jack resistance and socket LED light, institute between zero curve and firewire in the jack body
It states socket LED light to be formed on outside the jack body, fire when on the jack body without connection load, in jack body
The firewire of line and peripheral main circuit is not connected to, and the socket LED light does not work, when bringing onto load normal on the jack body works
When, the socket LED light is lighted.
Preferably, being connected with main circuit resistance and main circuit between zero curve and firewire on the external main circuit
LED light, when peripheral main circuit is normal, the main circuit LED light is lighted.
Preferably, current-limiting resistance, the socket sheet can be restored by being in series with main circuit on the external main circuit firewire
Current-limiting resistance can be restored by being in series with socket in body on firewire, and the main circuit, which can restore current-limiting resistance and socket, can restore current limliting electricity
Permitted maximum current value difference is hindered, the maximum current value that the main circuit can restore current-limiting resistance permission is greater than the socket
The maximum current value that can restore current-limiting resistance permission, when short-circuit in jack body, electric current increases suddenly, in the jack body
Socket can restore current-limiting resistance resistance value moment increase, this branch current moment of jack body reduce, lead to socket LED light
Extinguish, facilitates staff to check that short-circuit conditions occurs in which specific socket, and since main circuit can restore current-limiting resistance
Trigger current, which is greater than socket, can restore current-limiting circuit, and described to work as this branch of jack body when something goes wrong, main circuit LED light is not
Can therefore it extinguish.
Preferably, the main circuit can restore current-limiting resistance and socket can to restore current-limiting resistance be non-linear PTC
Thermistor, non-linear PTC thermistor are made of polymeric matrix and the carbon black particle for keeping it conductive.Due to this material
With certain conductive capability, thus electric current is had thereon and is passed through.When there is overcurrent to pass through the non-linear PTC thermistor
When, the heat of generation will make its expansion, so that carbon black particle will separate, resistance will rise.This will promote non-linear PTC temperature-sensitive
Resistance generates heat faster, expands bigger, further increases resistance.When temperature rises to a certain extent, resistance becomes
Change significantly, so that electric current be made to be obviously reduced.The low current for then flowing through thermistor is enough to keep it in this temperature and place
In high-impedance state.After troubleshooting, thermistor is contracted to original shape and is again tied carbon black particle, to make
Non-linear PTC thermistor is cooling quickly and is returned to original low resistance state, so again can be with cycle operation.
Utility model has the advantages that 1, have overcurrent protection, once there is socket short circuit phenomenon, in socket
Socket, which can restore current-limiting resistance, to work, and limit the electric current in socket circuit, protection circuit components will not be because of high current
Damage；It 2, can be by the light and shade of main circuit LED light and socket LED light come comprehensive descision tool when the situation for short circuit or open circuit occur
Body fault point；3, it is out of order in a socket, will not influence the work of other adjacent sockets；4, whether firewire jack or
Zero line jack is inserted into conductor in an independent jack, is not had in electric current, such as firewire jack and zero line jack on conductor
It is inserted into bolt, and bolt must be inserted into bottom and just entire socket can be made to have electricity, avoiding the mistake touching of personnel in operation causes
Electric shock；5, before extracting completely in the firewire jack and zero line jack, firewire powers off bolt in advance, therefore is inserting
Electric arc will not be generated during pin insertion, socket is solved and frequently uses, electric arc occurs for frequent plug to receptacle sockets
Burn problem, greatly extend the service life of socket.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the false-touch prevention socket of overcurrent protection of the utility model；
Fig. 2 is the cross-sectional view of the jack body；
Fig. 3 is the jack body cross-sectional view that bolt is inserted into after firewire jack and zero line jack；
100, firewire jack；103, firewire jack can restore elastic slice；104, first connecting rod；105, conductive sheet；106,
One arc-shaped conductive film；107, the second arc-shaped conductive film；108, the first spring；111, zero curve contact-making switch；112, socket LED light；
113, main circuit LED light；114, main circuit can restore current-limiting resistance；115, socket can restore current-limiting resistance；116, firewire contacts
Switch；117, jack resistance；118, main circuit resistance；201, zero line jack；203, zero line jack can restore elastic slice；204, second
Connecting rod；205, insulating trip；206, third arc-shaped conductive film；207, the 4th arc-shaped conductive film；208, second spring.
Specific embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1, a kind of false-touch prevention socket of overcurrent protection, including jack body, the jack body include firewire
Jack 100 and zero line jack 201, the firewire jack 100 are connect with firewire on external main line, the zero line jack 201 with
Zero curve connects on external main circuit, further includes firewire contact-making switch 116 and zero curve contact-making switch 111.
As shown in Fig. 2, the firewire contact-making switch 116 includes first connecting rod 104, conductive sheet 105, the first arc conduction
Piece 106, the second arc-shaped conductive film 107 and the first spring 108, the side of the firewire jack 100, which is formed with firewire jack, to restore
Elastic slice 103, the side of the zero line jack 201, which is formed with zero line jack, can restore elastic slice 203, and the firewire contact-making switch 111 wraps
Include the second connecting rod 204, insulating trip 205, third arc-shaped conductive film 206, the 4th arc-shaped conductive film 207 and second spring 208.
The first connecting rod 104, which connects the firewire jack, can restore elastic slice 103 and the first spring 108, the conduction
Piece 105 connects the firewire jack 100 and first arc-shaped conductive film 106, first spring 108 and first arc
Conductive sheet 106 connects, and first arc-shaped conductive film 106 is connected with the conductive sheet 105 rotation, as shown in figure 3, when firewire is inserted
When being inserted into bolt in hole 100, the firewire jack can restore elastic slice 103 and be deformed, and push the first connecting rod 104,
Make to rotate with the first arc-shaped conductive film 106 of 104 elastic connection of first connecting rod and be close to second arc-shaped conductive film 107.
Second connecting rod 204, which connects the zero line jack, can restore elastic slice 203 and second spring 208, the insulation
Piece 205 connects the firewire jack 201 and the third arc-shaped conductive film 206, the second spring 208 and the third arc
Conductive sheet 206 connects, and the third arc-shaped conductive film 206 is connected with the insulating trip 205 rotation, as shown in figure 3, working as described zero
When being inserted into bolt in line jack 201, the zero line jack can restore elastic slice 203 and be deformed, and push second connecting rod
204, make to rotate with the third arc-shaped conductive film 206 of 204 elastic connection of the second connecting rod tight with the 4th arc-shaped conductive film 207
Patch.
Second arc-shaped conductive film 107 is electrically connected with the third arc-shaped conductive film 206, the 4th arc-shaped conductive film
207 connect with the firewire, and the firewire jack can restore the bottom that elastic slice 103 is formed on the zero line jack 201, only work as fire
Bolt is all inserted into line jack 100 and zero line jack 201, the firewire jack 100 in the jack body just passes through conductive sheet
105, the first arc-shaped conductive film 106, the second arc-shaped conductive film 107, third arc-shaped conductive film 206 and the 4th arc-shaped conductive film 207
It connect conducting with firewire, and bolt must be inserted into the bottom of subzero jack 201, just can make zero line jack that can restore elastic slice
203 deformations.As shown in Fig. 2, the firewire jack can when bolt is extracted from the firewire jack 100 and zero line jack 201
The reinstatement of elastic slice 203 can be restored by restoring elastic slice 103 and zero line jack, and first spring 108 is by the first arc-shaped conductive film 106
It retracts, is detached from the first arc-shaped conductive film 106 and the second arc-shaped conductive film 107, the second spring 208 is conductive by third arc
Piece 206 retracts, and is detached from third arc-shaped conductive film 206 and the 4th arc-shaped conductive film 207, and the firewire jack 100 and firewire are not
Conducting, jack body are not charged.
Jack resistance 117 and socket LED light 112 are connected between zero curve and firewire in the jack body, it is described to insert
Seat LED light 112 is formed on outside the jack body, described when not having bolt insertion firewire jack 100 and zero line jack 201
Firewire contact-making switch 116 and zero curve contact-making switch 111 on jack body are all not turned on, and the firewire in jack body is not charged,
The socket LED light 112 is not lighted, when having bolt insertion firewire jack 100 and zero line jack 201, on the jack body
Firewire contact-making switch 116 and zero curve contact-making switch 111 be all connected, the electrification of firewire in jack body, the socket LED light
112 light.
It is connected with main circuit resistance 118 and main circuit LED light 113 between zero curve and firewire on the external main circuit,
When the firewire and normal zero curve on main circuit, the main circuit LED light 113 is lighted, when on main circuit firewire and zero curve go out
When existing failure, the main circuit LED light 113 does not work.
Current-limiting resistance 114, firewire in the jack body can be restored by being in series with main circuit on the external main circuit firewire
On be in series with socket and can restore current-limiting resistance 115, the main circuit, which can restore current-limiting resistance 114 and socket, can restore current-limiting resistance
115 permitted maximum current values are different, and the maximum current value that the main circuit can restore the permission of current-limiting resistance 114 is greater than described
Socket can restore the maximum current value of the permission of current-limiting resistance 115.When occurring short-circuit state, the socket in some jack body
The resistance value that can restore current-limiting resistance 115 instantaneously becomes larger, and reduces the electric current in jack body, eliminates the impact to main circuit,
And since the maximum current value that the main circuit in main circuit can restore the permission of current-limiting resistance 114 can restore current-limiting resistance greater than seat
115 maximum currents allowed, therefore the seat in the socket of only short circuit can restore the meeting work of current-limiting resistance 115, without will affect it
His socket, and electric current is minimum in jack body at this time, socket LED light 112 is extinguished, and judges inserting for specific short circuit convenient for operator
Which seat is.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of false-touch prevention socket of overcurrent protection, including jack body, the jack body includes firewire jack (100) and zero
Line jack (201), the zero line jack (201) connect with zero curve on external main circuit, it is characterised in that: further include firewire contact
It switchs (116) and zero curve contact-making switch (111), the firewire contact-making switch (116) includes first connecting rod (104), conductive sheet
(105), the first arc-shaped conductive film (106), the second arc-shaped conductive film (107) and the first spring (108), the firewire jack
(100) side, which is formed with firewire jack, can restore elastic slice (103), and the side of the zero line jack (201) is formed with zero line jack can
Restore elastic slice (203), the firewire contact-making switch (111) is led including the second connecting rod (204), insulating trip (205), third arc
Electric piece (206), the 4th arc-shaped conductive film (207) and second spring (208)；
The first connecting rod (104), which connects the firewire jack, can restore elastic slice (103) and the first spring (108), described to lead
Electric piece (105) connects the firewire jack (100) and first arc-shaped conductive film (106), first spring (108) and institute
The first arc-shaped conductive film (106) connection is stated, first arc-shaped conductive film (106) and the conductive sheet (105) rotation connect, when
In firewire jack (100) when insertion bolt, the firewire jack can restore elastic slice (103) and be deformed, and push described first
Connecting rod (104) makes and the rotation of first arc-shaped conductive film (106) of first connecting rod (104) elastic connection and second arc
Shape conductive sheet (107) is close to；
Second connecting rod (204), which connects the zero line jack, can restore elastic slice (203) and second spring (208), described exhausted
Embolium (205) connects the firewire jack (201) and the third arc-shaped conductive film (206), the second spring (208) and institute
Third arc-shaped conductive film (206) connection is stated, the third arc-shaped conductive film (206) and the insulating trip (205) rotation connect, when
In the zero line jack (201) when insertion bolt, the zero line jack can restore elastic slice (203) and be deformed, described in promotion
Second connecting rod (204) makes to rotate and described the with the third arc-shaped conductive film (206) of the second connecting rod (204) elastic connection
Four arc-shaped conductive films (207) are close to.
2. a kind of false-touch prevention socket of overcurrent protection as described in claim 1, it is characterised in that: second arc-shaped conductive film
(107) it is electrically connected with the third arc-shaped conductive film (206).
3. a kind of false-touch prevention socket of overcurrent protection as claimed in claim 2, it is characterised in that: the 4th arc-shaped conductive film
(207) it is connect with the firewire.
4. a kind of false-touch prevention socket of overcurrent protection as described in claim 1, it is characterised in that: the zero line jack can restore
Elastic slice (203) is formed on the bottom of the zero line jack (201).
5. such as a kind of described in any item false-touch prevention sockets of overcurrent protection of claim 1 ~ 4, it is characterised in that: the socket sheet
Jack resistance (117) and socket LED light (112), socket LED light (112) system are connected between zero curve and firewire in body
Outside the jack body.
6. a kind of false-touch prevention socket of overcurrent protection as claimed in claim 5, it is characterised in that: on the external main circuit
Main circuit resistance (118) and main circuit LED light (113) are connected between zero curve and firewire.
7. such as a kind of described in any item false-touch prevention sockets of overcurrent protection of claim 1 ~ 4, it is characterised in that: the external master
Main circuit is in series on circuit firewire can restore current-limiting resistance (114), and being in series with socket on firewire in the jack body can be extensive
Multiple current-limiting resistance (115).
8. a kind of false-touch prevention socket of overcurrent protection as claimed in claim 7, it is characterised in that: the main circuit can restore to limit
It is non-linear PTC thermistor that leakage resistance (114) and socket, which can restore current-limiting resistance (115),.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168864.8U CN208209163U (en) | 2018-01-31 | 2018-01-31 | A kind of false-touch prevention socket of overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168864.8U CN208209163U (en) | 2018-01-31 | 2018-01-31 | A kind of false-touch prevention socket of overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208209163U true CN208209163U (en) | 2018-12-07 |
Family
ID=64534586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820168864.8U Active CN208209163U (en) | 2018-01-31 | 2018-01-31 | A kind of false-touch prevention socket of overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208209163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183367A (en) * | 2018-01-31 | 2018-06-19 | 王华平 | A kind of false-touch prevention socket of overcurrent protection |
-
2018
- 2018-01-31 CN CN201820168864.8U patent/CN208209163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183367A (en) * | 2018-01-31 | 2018-06-19 | 王华平 | A kind of false-touch prevention socket of overcurrent protection |
| CN108183367B (en) * | 2018-01-31 | 2024-03-19 | 王华平 | Overcurrent protection's mistake of preventing touches socket |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220601 Address after: 528225 6th floor, block B, park, No. 39, Keji East Road, Shishan Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Lanxing Energy Technology Co.,Ltd. Address before: 518000 No. 1, FA FA Road, Nanshan District science and Technology Park, Guangdong, Shenzhen Patentee before: Wang Huaping |