CN208571118U - A kind of vibration resistance type safety socket and public transport - Google Patents

Abstract

The utility model discloses a kind of vibration resistance type safety sockets; the vibration resistance type safety socket includes shell; AC power supply module and USB power supply module; the AC power supply module includes the pole L and the pole N copper strips sleeve, the connection wire that is accordingly electrically connected with copper strips sleeve; the wire interface of connection wire end is set, and string is equipped with temperature protection device on the connection wire；The USB power supply module includes spring terminal corresponding with input lead, and excess-current excess-temperature protection device, circuit board and the USB interface being successively electrically connected with spring terminal are provided with temperature detecting element in the USB interface side.AC power supply module temperature protection device can perceive rapidly the temperaturing lifting abnormality of sleeve contact portion and screw connection portion point.It is serially connected with the copper strips circuit of the pole L and the pole N respectively, the abnormal temperature of sleeve, terminal can be transmitted to rapidly temperature protection device.

Description

A kind of vibration resistance type safety socket and public transport

Technical field

The utility model belongs to power outlet technical field, and in particular to a kind of vibration resistance type safety socket and application.

Background technique

Public transport, such as high-speed rail, automobile steamer are generally respectively arranged with fixing type socket convenient for electricity consumption, are with automobile Example, in the process of moving, fixing type socket also includes that the power supply adaptor of its disposed thereupon can do random vibration with vehicle And impact, moreover, flow of the people is big as public transport, frequency of usage is high, then it can generate following problems:

1) to the thread terminal that connects secure wires, also the moment is subjected to this vibration and impact.Input terminal uses screw thread Terminal, since the principle defect of thread terminal uses in the vehicle for having shock and vibration without locking measures, the time is long , thread terminal can loosen, lead to conducting wire virtual connection or loosen.If conducting wire link position loosen, can generate it is abnormal it is hot, electric shock, Even result in the generation of fire.

2) USB interface output end is generally arranged in fixing type socket now, and still, vehicle, especially vehicle in use are got on or off the bus Passenger it is relatively more, and due to current electronic product, such as the universal of mobile phone and tablet computer and be widely applied, be mounted on vehicle On fixing type socket (electrification source adapter), USB interface will certainly be subjected to continually using.Currently, common USB interface, Even if shell, using copper material, connect-disconnect life only has 3000 times -5000 times, used by repeatedly prolonged plug, USB Interface certainly will will appear loose and virtual connection.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of vibration resistance type safety socket, this is resistance to Oscillating mode safety socket has the characteristics that long using safe operating life.

Another purpose of the utility model is to provide a kind of application of the socket in public transport.

The utility model is achieved through the following technical solutions:

A kind of vibration resistance type safety socket, including shell, AC power supply module and USB power supply module, the AC power supply mould Block includes the pole L and the pole N copper strips sleeve, the connection wire that is accordingly electrically connected with copper strips sleeve, and connection wire end is arranged in Wire interface, string is equipped with temperature protection device on the connection wire；The USB power supply module includes and input lead Corresponding spring terminal, excess-current excess-temperature protection device, circuit board and the USB interface being successively electrically connected with spring terminal, described USB interface side be provided with temperature detecting element.

In above-mentioned technical method, the wire interface include the hollow guide sleeve that is fixedly connected with the shell with And the fastening screw being threadedly coupled with the guide sleeve, coating is coated on the fastening screw on fastening screw.

In above-mentioned technical method, the coating is the glue-line or engineering whole or local coated in fastening screw screw thread Plastic layer.

It further include the mistake for being arranged on the shell and being serially connected in the pole the L circuit in above-mentioned technical method Flow protection element.

In above-mentioned technical method, the temperature detecting element is mounted below USB interface outer shell or is close to USB Other sides of the shell of interface.

In above-mentioned technical method, the shell of the USB interface is wear-resisting manganese steel metal material.

In above-mentioned technical method, the spring terminal includes the connection shell to form jack, is inlaid in the connection In shell and be formed with pin bottom copper sheet and inlay card in the connection shell input lead and bottom copper sheet to be compressed Copper sheet is pressed, the pressure copper sheet is provided with release key with the input lead place of abutting.

In above-mentioned technical method, protective door, including the two poles of the earth protective door are provided at the jack of the AC power supply module With three pole protective doors, the two poles of the earth protective door is provided with and the guide ramp along the extension of jack width direction, three poles The guide ramp extended along jack length direction, the length of the jack are provided on protective door jack corresponding with the pole E pin Degree is greater than width.

In above-mentioned technical method, the two poles of the earth protective door carries out mobile guide by intermediate supports, and described the two poles of the earth are protected Shield door can swing sideward dynamic relative to intermediate supports and carry out limit prevention protective door movement by retaining structure when swinging.

In above-mentioned technical method, the public transport is high-speed rail, automobile or ferry.

It the advantages of the utility model and has the beneficial effect that

AC power supply module temperature protection device can perceive rapidly the temperature rise of sleeve contact portion and screw connection portion point It is abnormal.It is serially connected with the copper strips circuit of the pole L and the pole N respectively, the abnormal temperature of sleeve, terminal can be transmitted to rapidly temperature protection Device.The ac input end of USB power supply module is designed using the integrated device that overcurrent protection and temperature protection are two-in-one in electricity The first of resource loop is extremely mounted on ac input end, is more than overcurrent protection value or temperature protection action value, protection device cutting master Loop power supply plays a protective role conscientiously.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model vibration resistance type safety socket.

Fig. 2 is the USB power supply module structural schematic diagram of the utility model vibration resistance type safety socket.

Fig. 3 is the partial structural diagram of the AC power supply module of the utility model；

Fig. 4 is that spring terminal input lead is not inserted into state structural schematic diagram；

Fig. 5 is spring terminal input lead insertion state structural schematic diagram；

Fig. 6 is USB interface structural schematic diagram；

Fig. 7 is socket protection door structure schematic diagram；

Fig. 8 is three pole protective door structural schematic diagrams.

Wherein:

1: copper strips sleeve, 2: connection wire, 3: wire interface, 4: temperature protection device；5: spring terminal；6: excess-current excess-temperature Protect device；7:USB interface；8: temperature detecting element, 50 connect shell, and 51 bottom copper sheets, 52 pressure copper sheets, 9 input leads, 53 release Put key, 31 guide sleeves；32 fastening screws；

Specific embodiment

In order to make those skilled in the art better understand the scheme of the utility model, combined with specific embodiments below into one Step illustrates the technical solution of the utility model.

Embodiment one

The vibration resistance type safety socket of the utility model, including shell, AC power supply module and USB power supply module, it is described AC power supply module includes the pole L and the pole N copper strips sleeve 1, the connection wire 2 being accordingly electrically connected with copper strips sleeve, and setting connects inside The wire interface 3 of terminal portions, on the connection wire, such as nearly sleeve side string is equipped with temperature protection device 4；Described USB power supply module includes spring terminal 5 corresponding with input lead, the excess-current excess-temperature protector being successively electrically connected with spring terminal Part 6, circuit board and USB interface 7 are provided with temperature detecting element 8 in the USB interface side.

It is preferred that the socket of the utility model includes a two-pole jack and a three pole jacks, on the copper strips sleeve of the pole L and N Corresponding the two poles of the earth sleeve and three pole sleeves are respectively included on the copper strips sleeve of pole, this is not reinflated herein to retouch similarly to the prior art It states.

Wherein, circuits, high frequency transformer, the output rectification filter USB interfaces such as input rectifying filtering are provided on circuit board Identification etc..Circuits, high frequency transformer and the output rectification filters such as the described input rectifying filtering respectively with power supply governor circuit or Auxiliary circuit controllably connects.Wherein, the temperature detecting element accesses power supply governor circuit after temperature detection protects circuit.

AC power supply module temperature protection device can perceive rapidly the temperature rise of sleeve contact portion and screw connection portion point It is abnormal.It is serially connected with the copper strips circuit of the pole L and the pole N respectively, the abnormal temperature of sleeve, terminal can be transmitted to rapidly temperature protection Device.The ac input end of USB power supply module is designed using the integrated device that overcurrent protection and temperature protection are two-in-one in electricity The first of resource loop is extremely mounted on ac input end, is more than overcurrent protection value or temperature protection action value, protection device cutting master Loop power supply plays a protective role conscientiously.

Wherein, the temperature detecting element 8 is mounted below the shell of USB interface 7 or is close to the outer of USB interface Other sides of shell.Temperature detecting element detects the temperature of USB interface, protects circuit by temperature detection, outputs signals to power supply Governor circuit, when temperature is more than setting value, power supply governor circuit stops working, and USB interface closes output；Temperature sensor installation In USB interface in the following, being close to the shell of USB interface, the temperature rise of USB interface is perceived, is more than setting value, then instead if there is exception It is fed back to road, issues a signal to Master control chip, is stopped working, output is closed, improves safety in utilization, meanwhile, the USB The shell of interface is wear-resisting manganese steel metal material, and resistance to plug number reaches 20000 times, efficiently solves fixing type socket (band Power supply adaptor) the problems such as wiring that encounters in use loosens, virtual connection, low plug number, it ensure that the safety of use process.

Embodiment two

For the connective stability for improving USB power supply module input terminal, the spring terminal includes the connection to form jack Shell 50, be inlaid in the connection shell it is interior and be formed with the bottom copper sheet 51 of pin and inlay card in the connection shell to The pressure copper sheet 52 that input lead and bottom copper sheet are compressed, the pressure copper sheet are provided with release key 53 with 9 place of abutting of input lead.

It is formed with nearly rectangle positioning chamber in the connection shell, the pressure copper sheet and bottom copper sheet are L-type or U-shaped set Meter reduces hardness and fixes to realize that inlay card positions and have elasticity, adapts to vibration environment using elasticity, improves connective stability, Wherein, described pressure copper sheet one end is directly fitted with bottom copper sheet connect, and the other end is elastic free end and connects with the holding of bottom copper sheet Touching can guarantee when input lead insertion and realize elastic compression while connection.Using release key, bottom copper sheet and pressure are pressed The elastic free end of copper sheet, can destroy the equilibrium state of contact, realize the extraction of input lead.Integrated connection is simple, Er Qiebao Permanent elasticity is held, the electrical connection stability of connective stability and input is improved.

Embodiment three

Specifically, the wire interface include the hollow guide sleeve 31 being fixedly connected with the shell and with institute The fastening screw 32 that the guide sleeve stated is threadedly coupled is coated with coating on fastening screw on the fastening screw.The coating For the glue-line or the engineering plastic bed of material whole or local coated in fastening screw screw thread.Bulk composition is nylon by plasma spray technology Engineering plastics are sprayed on thread, and when screw thread is in rundown process, this layer of engineering plastics or glue-line are extruded and generate powerful Reaction force and frictional force achieve the effect that locking so that screw be prevented to retreat, be effectively applicable to the vibration and punching of environment It hits, avoids overheating caused by virtual connection.

It further, further include the overcurrent protection member for being arranged on the shell and being serially connected in the pole the L circuit Part 18.Overflow protecting element is mounted on the pole the L circuit of socket, and short circuit occurs for protection rear end electrical equipment, or due to power mistake Overload caused by big.

Example IV

Further, protective door is provided at the jack of the AC power supply module, including the two poles of the earth protective door and three poles are protected Door is protected, the two poles of the earth protective door is provided with and in the guide ramp that jack width direction extends, the three pole protective doors It is provided with the guide ramp 11 extended with jack length direction, the length of the jack is greater than width, meanwhile, three poles A perforation 12 and evacuation slope surface 13 are additionally provided in protective door.By changing the direction of motion of protective door, guiding is increased Face slope, if guide ramp angle is at 45 ° -60 °, mobile 3mm, which can be realized, blocks/appears sleeve position, and protective door 3 is in sleeve Cover board 4, which slides over, avoids damage to plug bush structure influence contact engaging and separating force and service life.Wherein, the three pole protective doors and the pole E Be provided on the corresponding jack of pin along jack length direction extend guide ramp, the three pole protective doors be by the pole E into Row driving will not move protective door using the sheet metal insertion pole L and improve safety.The two poles of the earth protective door by intermediate supports into Row mobile guide, the two poles of the earth protective door can swing sideward with respect to intermediate supports it is dynamic and when swinging by retaining structure into Row limit prevents protective door mobile.Only it can just make protective door mobile and contact to charge position when the pole bolt L and N presses simultaneously Improving safety, wherein the intermediate supports are to be oriented to rib, and corresponding guide groove is arranged in the two poles of the earth protective door, The width of guide groove is slightly larger than the thickness for being oriented to rib, i.e., so that the two poles of the earth protective door can be swung, the detent machine Structure may be provided in the protective door of the two poles of the earth between guiding rib, such as opposite face is set as rough surface or setting groove, meanwhile, it is described Clamping mechanism can be also disposed between the two poles of the earth protective door and the inner wall of its mobile cavity, as opposite face is set as rough surface or sets Groove etc. is set, the mobile cavity is the chamber being arranged on Socket casing to the movement of guiding constraint protective door, the mobile cavity Setting similarly to the prior art, not reinflated description herein.

Two groups of jacks use different modes of doing exercises, and effectively save inner space, improve space utilization rate, reduce Overall volume guarantees running smoothly for each component.Certainly, the guide ramp of the two poles of the earth protective door can also be equally using along slotting The design that hole length direction extends.

Embodiment five

The utility model further simultaneously discloses application of the vibration resistance type safety socket in public transport, That is, disclosing a kind of public transport with the vibration resistance type safety socket, the public transport is high-speed rail, vapour Vehicle or ferry.Fixing type socket (electrification source adapter), including AC220V jack and USB charge two parts, are not only suitable for common Mounting location and environment, such as hotel public arena are also applied for reliability and safety that vehicle etc. has vibration and impact to require Property high environment and occasion.Solves the peace of virtual connection, temperature rise height encountered in fixing type socket (electrification source adapter) use etc. Full problem ensure that the safety of use process.

The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper". Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.

Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or Sequentially.

Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc. The protection scope of the utility model is each fallen with replacement.

Claims (10)

1. a kind of vibration resistance type safety socket, it is characterised in that: including shell, AC power supply module and USB power supply module are described AC power supply module includes the pole L and the pole N copper strips sleeve, the connection wire that is accordingly electrically connected with copper strips sleeve, and setting connects inside The wire interface of thread end, string is equipped with temperature protection device on the connection wire；The USB power supply module include with The corresponding spring terminal of input lead, excess-current excess-temperature protection device, circuit board and the USB being successively electrically connected with spring terminal connect Mouthful, the USB interface side is provided with temperature detecting element.

2. vibration resistance type safety socket as described in claim 1, it is characterised in that: the wire interface include with it is described The hollow guide sleeve that shell is fixedly connected and the fastening screw being threadedly coupled with the guide sleeve, the fastening screw tighten Gu being coated with coating on screw.

3. vibration resistance type safety socket as claimed in claim 2, it is characterised in that: the coating is coated in fastening screw Screw thread whole or local glue-line or the engineering plastic bed of material.

4. vibration resistance type safety socket as described in claim 1, it is characterised in that: further include be arranged on the shell and The overflow protecting element being serially connected in the pole the L circuit.

5. vibration resistance type safety socket as described in claim 1, it is characterised in that: the temperature detecting element is mounted on Below USB interface outer shell or other sides of shell of abutting USB interface.

6. vibration resistance type safety socket as described in claim 1, it is characterised in that: the shell of the USB interface is wear-resisting Manganese steel metal material.

7. vibration resistance type safety socket as described in claim 1, it is characterised in that: the spring terminal includes forming jack Connection shell, it is interior and be formed with the bottom copper sheet of pin and inlay card is used in the connection shell to be inlaid in the connection shell With the pressure copper sheet for compressing input lead and bottom copper sheet, the pressure copper sheet is provided with release key with the input lead place of abutting.

8. vibration resistance type safety socket as described in claim 1, it is characterised in that: set at the jack of the AC power supply module Protective door, including the two poles of the earth protective door and three pole protective doors are equipped with, the two poles of the earth protective door is provided with and along jack width direction The guide ramp of extension is provided on the three pole protective doors jack corresponding with the pole E pin and extends along jack length direction Guide ramp, the length of the jack is greater than width.

9. vibration resistance type safety socket as claimed in claim 8, it is characterised in that: the two poles of the earth protective door is by intermediate supports Mobile guide is carried out, the two poles of the earth protective door can swing sideward with respect to intermediate supports to be moved and when swinging by retaining structure Carrying out limit prevents protective door mobile.

10. a kind of installation is just like the public transport of the described in any item vibration resistance type safety sockets of claim 1-9, described Public transport be high-speed rail, automobile or ferry.