CN208444781U

CN208444781U - System is protected based on 4G network/EC20 charging heap over-current and -load

Info

Publication number: CN208444781U
Application number: CN201821192030.7U
Authority: CN
Inventors: 黄恒; 何平; 陈爽
Original assignee: Luzhou Energy Investment Co Ltd
Current assignee: Luzhou Energy Investment Co Ltd
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2019-01-29
Anticipated expiration: 2028-07-25

Abstract

The utility model discloses protect system based on 4G network/EC20 charging heap over-current and -load; including first segment line and second segment line; it further include shell, copper core, shaft, rotary connector, the first equalizing feature, detection part; shell is cylindrical, and first segment line and second segment line are respectively and movably connected to the both ends of shell；Copper core has two, is arranged at the inside of shell；The central axes of two copper cores are overlapped with the central axes of shell；Rotary connector is cylindrical structure, and rotary connector is arranged between two copper cores, and two are realized face contact between copper core and rotary connector.The utility model realizes power down process in the first time of over-current and -load, avoids the damage of route and equipment, while can be set on the route of any need detection, and flexibility is good；The utility model applies the cold gas property to rise of pyrocondensation, and high sensitivity improves safety coefficient.

Description

System is protected based on 4G network/EC20 charging heap over-current and -load

Technical field

The utility model relates to the fields of charging, and in particular to protect system based on 4G network/EC20 charging heap over-current and -load System.

Background technique

Charging pile, the fuel charger being functionally similar to inside gas station can be fixed on ground or wall, be installed on public It builds in (public building, market, Public Parking etc.) and residential area parking lot or charging station, it can be according to different voltage Grade is that the electric car of various models charges.The input terminal of charging pile is directly connected to AC network, and output end, which is equipped with, to be filled Plug is used to charge for electric car.But charging pile power solidifies, therefore poor compatibility, it can not be to different capacity demand Vehicle charging, secondly, charging pile bad adaptability, can not adapt to the demand of battery technology rapid development, to be easy to cause investment Charging equipment can not continue to use, and in order to change above-mentioned circumstances, charging heap occur, charging heap is not the collection of multiple charging piles The characteristics of conjunction, charging heap, is that power is shared, i.e., concentrates power all in charging station, each charging terminal can be from this The power of needs is obtained in a power stack；Flexibility charging, according to the charge requirement that vehicle BMS is issued, electrical power of distributing according to need； Smooth extension, as the power of the promotion of battery rate of charge, the increase of charge power demand, extendible power stack is filled with meeting The demand of electricity；It is energy-efficient, no matter charge requirement, it all should ensure that charging equipment can work in optimal load factor area Between.Charging heap can be simultaneously for the device of more electric cars charging, and charge power is larger, and charge power is bigger, if there is The problem of over-current and -load, will lead to the damage of route and equipment, cope with asking for overload flow using breaker etc. in the prior art Topic, mode is single, can be only installed on the route near power supply, can not be mounted on middle line.

Utility model content

Technical problem to be solved in the utility model is to cope with asking for overload flow using breaker etc. in the prior art Topic, mode is single, can be only installed on the route near power supply, can not be mounted on middle line, and it is an object of the present invention to provide being based on 4G network/EC20 charging heap over-current and -load protects system, can be mounted on any one section of conductive track, expand overload flow Detection range and protection scope.

The utility model is achieved through the following technical solutions:

System, including first segment line and second segment line are protected based on 4G network/EC20 charging heap over-current and -load, further includes Shell, copper core, shaft, rotary connector, the first equalizing feature, detection part, the shell is cylindrical, the first segment line The both ends of shell are respectively and movably connected to second segment line；The copper core has two, is arranged at the inside of shell；Two copper cores Central axes be overlapped with the central axes of shell；The rotary connector is cylindrical structure, and the rotary connector is arranged at two Between copper core, two are realized face contact between copper core and rotary connector, when first segment line and second segment line are from the both ends of shell Face contact is realized with corresponding copper core after insertion；The rotary connector, two copper cores, first segment line and the common structure of second segment line At a section lead；The middle part of rotary connector is arranged in the shaft, and the central axes of shaft and the central axes of rotary connector are hung down Directly, the rotary connector, which encloses, rotates around the axis；

First equalizing feature includes the first pedestal, spring, piston, support column, and first pedestal is arranged in shaft The inner surface of the shell of upward face；One end of the spring is connected to the downside of the first pedestal, and the other end is connected to rotation and connects The outer surface of fitting；The side surface of the end of rotary connector is arranged in the support column；The spring and rotary connector Tie point is adjacent with support column；The surface of support column, the movable end of the piston and the top of support column is arranged in the piston Portion's contact is not connected to；The internal piston is equipped with the cold gas to rise of pyrocondensation；Central axes and two copper core weights when rotary connector When conjunction, spring is in tensioning state；

The detection part includes the second pedestal, gyroscope, microcontroller, wireless base station apparatus, and second pedestal is set It sets in the outer surface of rotary connector, the gyroscope is mounted on the second pedestal, the gyroscope and micro-controller communications list To connection, the microcontroller is unidirectionally connect with wireless base station apparatus communication.

It in the prior art, is overcurrent protector, overload protective device for the counter-measure that over-current and -load is taken, and overcurrent is protected Shield device and overload protective device are arranged at equipment nearby or near power supply line, and for that cannot be visited on other routes Survey, and route occur the route position that occurs damaging after overload and overcurrent be it is uncertain, use overcurrent protector and overload to protect Device is protected, after overcurrent protector and overload protective device movement, it is also necessary to investigation one by one be carried out to route and be just able to achieve entire route Detection, not only inefficiency in this way, but also passive, only after serious problems occurs in route, overcurrent protector and overload are protected Shield device can just act, and act not prompt enough.The utility model is dependent on shell, copper core, shaft, rotary connector, the first balance Component, detection part realize that energization connection and protection between first segment line and second segment line disconnect two processes, wherein outside Both ends copper core is set in shell, is powered respectively with first segment line and second segment wire attachment, passes through rotation between two copper cores Connector is powered；There are two states for rotary connector, and one is switched on state, the other is obstructed electricity condition；In logical When electricity condition, the central axis of rotary connector is overlapped with the central axes of two copper cores, the first pedestal in the first equalizing feature with It is connected between rotary connector by spring, at this point, spring is in tensioning state, tension force of spring has rotary connector The trend of (upward) rotation, and support column and piston are set, exactly for the trend for balancing this rotation, support column and piston it Between there is an active force, the active force on support column promotes rotary connector to be rotated down, at this point, rotary connector is supporting Balance is kept under the action of column, piston and spring, at this point, copper core and rotary connector can play the role of electrified wire； When overload occurs in the conducting wire in copper core and rotary connector and the phenomenon that overcurrent, can elevate the temperature, and what is stored in piston is The cold gas to rise of pyrocondensation, temperature increase, and gas volume reduces, so that the contact between piston and support column is unstable, work as gas After volume is lower than certain value, without active force between piston and support column, only spring is acted on rotary connector, of spring Power rotates rotary connector around shaft, contactless between rotary connector and copper core after rotation, realizes power operation.It is disconnected After electrically operated, only lead to route again by the balance between manual adjustment rotary connector, support column, piston and spring Electricity.In order to come out the position mark for open circuit occur, the movement of rotary connector is detected by gyroscope, when rotary connector is dynamic After work, gyroscope issues a signal to microcontroller, which is sent to phase by wireless base station apparatus by microcontroller Close the line maintenance that equipment reminds related personnel to carry out the route.The utility model is realized in the first time of over-current and -load and is resolved Electric treatment avoids the damage of route and equipment, while the utility model can be set on the route of any need detection, spirit Activity is good；The utility model applies the cold gas property to rise of pyrocondensation, and high sensitivity indirectly improves safety coefficient.

Further, shell includes rotation case, hand-held housing, and the rotation case is cylindrical shape, the rotation case Both ends be internally provided with internal diameter whorl in the same direction, the end of the first segment line and second segment thread end be provided with outer diameter The internal diameter whorl of screw thread, the outer-diameter threads at both ends both ends corresponding with rotation case respectively matches；The hand-held housing setting In the outer surface of rotation case, being recessed inwardly for outer surface corresponding with hand-held housing exists hand-held housing clamp on rotation case The middle part of rotation case.

Using the both ends of rotation case as the connection structure of connection first segment line and second segment line, and the internal diameter whorl at both ends It is consistent with corresponding outer-diameter threads direction, then hand-held housing is depended on, when fixing first segment line and second segment line, it is only necessary to One hand holds hand-held housing, and another hand twists rotation case, can simultaneously connect first segment line and second segment line simultaneously On, the time is saved, while reducing the torsion of route.

Further, the first pedestal is wedge shape, and inclined-plane is towards support column.Can by adjusting wedge shape angle, thus Adjust tension force of spring size.

Further, downside corresponding with the first pedestal is provided with the second equalizing feature, the second equalizing feature and first flat Weighing apparatus component is centrosymmetric about shaft.Two equalizing features are set, the accuracy of the utility model is helped to improve.

Further, wireless base station apparatus uses 4G module EC20.

The utility model compared with prior art, has the following advantages and benefits: the utility model is flowed through excessively The first time of load realizes power down process, avoids the damage of route and equipment, at the same the utility model can be set it is in office It what is the need on the route to be detected, flexibility is good；The utility model applies the cold gas property to rise of pyrocondensation, high sensitivity, What is connect improves safety coefficient.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram that the utility model piston and support column cooperate；

Fig. 3 is the structural schematic diagram of the utility model rotation case；

Fig. 4 is the structural schematic diagram of the utility model hand-held housing and rotation case.

Label and corresponding parts title in attached drawing:

11- first segment line, 12- second segment line, 2- rotation case, 3- hand-held housing, 4- copper core, 5- shaft, 6- rotation connect Fitting, the first pedestal of 71-, 72- spring, 73- piston, 74- support column, the second pedestal of 81-, 82- gyroscope, 83- microcontroller, 84- wireless base station apparatus.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment

As shown in Figures 1 to 4, system, including first segment line 11 are protected based on 4G network/EC20 charging heap over-current and -load It further include shell, copper core 4, shaft 5, rotary connector 6, the first equalizing feature, detection part with second segment line 12, it is described outer Shell is cylindrical, and the first segment line 11 and second segment line 12 are respectively and movably connected to the both ends of shell；The copper core 4 has two Root is arranged at the inside of shell；The central axes of two copper cores 4 are overlapped with the central axes of shell；The rotary connector 6 is circle Rod structure, the rotary connector 6 are arranged between two copper cores 4, realize that face connects between two copper cores 4 and rotary connector 6 Touching realizes face contact with corresponding copper core 4 after first segment line and second segment line 12 are inserted into from the both ends of shell；The rotation connects 6, two copper cores 4 of fitting, first segment line 11 and second segment line 12 collectively form a section lead；The setting of shaft 5 connects in rotation The central axes at the middle part of fitting 6, shaft 5 are vertical with the central axes of rotary connector 6, and the rotary connector 6 surrounds 5 turns of shaft It is dynamic；

First equalizing feature includes the first pedestal 71, spring 72, piston 73, support column 74, first pedestal 71 The inner surface of the shell of the upward face of shaft 5 is set；One end of the spring 72 is connected to the downside of the first pedestal 71, another End is connected to the outer surface of rotary connector 6；The side surface of the end of rotary connector 6 is arranged in the support column 74；It is described Spring 72 is adjacent with support column 74 with the tie point of rotary connector 6；The surface of support column 74, institute is arranged in the piston 73 The movable end for stating piston 73 is contacted with the top of support column 74 to be not connected to；The pyrocondensation cold gas to rise is housed inside the piston 73； When the central axes of rotary connector 6 are overlapped with two copper cores 4, spring 72 is in tensioning state；

The detection part includes the second pedestal 81, gyroscope 82, microcontroller 83, wireless base station apparatus 84, and described the The outer surface of rotary connector 6 is arranged in two pedestals 81, and the gyroscope 82 is mounted on the second pedestal 81, the gyroscope 82 Unidirectional connection is communicated with microcontroller 83, the microcontroller 83 communicates unidirectional connection with wireless base station apparatus 84.The present embodiment In microcontroller 83 use AT89C51, the gyroscope 82 uses MEMS gyroscope, gyroscope 82, micro-control in the present embodiment Connection type, communication mode and communication process between device 83 processed, wireless base station apparatus 84 all rely on conventional technical means reality It is existing.

It in the prior art, is overcurrent protector, overload protective device for the counter-measure that over-current and -load is taken, and overcurrent is protected Shield device and overload protective device are arranged at equipment nearby or near power supply line, and for that cannot be visited on other routes Survey, and route occur the route position that occurs damaging after overload and overcurrent be it is uncertain, use overcurrent protector and overload to protect Device is protected, after overcurrent protector and overload protective device movement, it is also necessary to investigation one by one be carried out to route and be just able to achieve entire route Detection, not only inefficiency in this way, but also passive, only after serious problems occurs in route, overcurrent protector and overload are protected Shield device can just act, and act not prompt enough.The utility model is flat dependent on shell, copper core 4, shaft 5, rotary connector 6, first The energization connection and protection two processes of disconnection weighed between component, detection part realization first segment line 11 and second segment line 12, In both ends copper core 4 is set in the shell, connect and be powered with first segment line 11 and 12 face of second segment line respectively, two copper cores 4 Between be powered by rotary connector 6；There are two states for rotary connector 6, and one is switched on state, the other is obstructed Electricity condition；When in energized state, the central axis of rotary connector 6 is overlapped with the central axes of two copper cores 4, the first equalizing feature In the first pedestal 71 and rotary connector 6 between connected by spring 72, at this point, spring 72 is in tensioning state, spring 72 Tension make rotary connector 6 have the tendency that (upward) rotation, and support column 74 and piston 73 are set, exactly in order to balance this The trend of kind rotation, has an active force between support column 74 and piston 73, the active force on support column 74 promotes rotation to connect Fitting 6 is rotated down, at this point, rotary connector 6 keeps balance under the action of support column 74, piston 73 and spring 72, this When, copper core 4 and rotary connector 6 can play the role of electrified wire；When the conducting wire in copper core 4 and rotary connector 6 occurs It the phenomenon that overload and overcurrent, can elevate the temperature, and what is stored in piston 73 is the cold gas to rise of pyrocondensation, temperature increases, gas Volume reduces so that the contact between piston 73 and support column 74 is unstable, after gas volume is lower than certain value, piston 73 with Without active force between support column 74, only spring 72 is acted on rotary connector 6, and the tension of spring 72 makes rotary connector 6 It is rotated around shaft 5, it is contactless between rotary connector 6 and copper core 4 after rotation, realize power operation.After power operation, only Having is re-energised route by the balance between manual adjustment rotary connector 6, support column 74, piston 73 and spring 72. In order to come out the position mark for open circuit occur, the movement of rotary connector 6 is detected by gyroscope 82, when rotary connector 6 After movement, gyroscope 82 issues a signal to microcontroller 83, which is passed through wireless base station apparatus by microcontroller 83 84 are sent to the line maintenance that relevant device reminds related personnel to carry out the route.The utility model is in the first of over-current and -load Between realize power down process, avoid the damage of route and equipment, while the utility model can be set and detect in any need Route on, flexibility is good；The utility model applies the cold gas property to rise of pyrocondensation, and high sensitivity indirectly improves Safety coefficient.

Further, shell includes rotation case 2, hand-held housing 3, and the rotation case 2 is cylindric, outside the rotation The both ends of shell 2 are internally provided with internal diameter whorl in the same direction, and the end and 12 end of second segment line of the first segment line 11 are all provided with It is equipped with outer-diameter threads, the internal diameter whorl at the outer-diameter threads at both ends both ends corresponding with rotation case 2 respectively matches；It is described hand-held The outer surface of rotation case 2 is arranged in shell 3, and outer surface corresponding with hand-held housing 3 is recessed inwardly hand on rotation case 2 3 clamp of shell are held at the middle part of rotation case 2.

Using the both ends of rotation case 2 as the connection structure of connection first segment line 11 and second segment line 12, and both ends is interior Diameter screw thread is consistent with corresponding outer-diameter threads direction, then depends on hand-held housing 3, when fixing first segment line 11 and second segment line When 12, it is only necessary to which a hand holds hand-held housing 3, and another hand twists rotation case 2, can be simultaneously by first segment line 11 and the Two sections of lines 12 save the time, while reducing the torsion of route on connecting simultaneously.

Further, the first pedestal 71 is wedge shape, and inclined-plane is towards support column 74.Can by adjusting wedge shape angle, So as to adjust the Tensity size of spring 72.

Further, downside corresponding with the first pedestal 71 is provided with the second equalizing feature, the second equalizing feature and first Equalizing feature is centrosymmetric about shaft 5.Two equalizing features are set, the accuracy of the utility model is helped to improve.

Further, wireless base station apparatus 84 uses 4G module EC20.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims

1. system, including first segment line (11) and second segment line (12) are protected based on 4G network/EC20 charging heap over-current and -load, It is characterized in that, further including shell, copper core (4), shaft (5), rotary connector (6), the first equalizing feature, detection part, institute State that shell is cylindrical, the first segment line (11) and second segment line (12) are respectively and movably connected to the both ends of shell；The copper Core (4) has two, is arranged at the inside of shell；The central axes of two copper cores (4) are overlapped with the central axes of shell；The rotation Connector (6) is cylindrical structure, and the rotary connector (6) is arranged between two copper cores (4), two copper cores (4) and rotation Face contact is realized between connector (6), forms face contact, when first segment line (11) and second segment line (12) are slotting from the both ends of shell Face contact is realized with corresponding copper core (4) after entering；The rotary connector (6), two copper cores (4), first segment line (11) and Two sections of lines (12) collectively form a section lead；The shaft (5) is arranged in the middle part of rotary connector (6), the axis of shaft (5) Line is vertical with the central axes of rotary connector (6), and the rotary connector (6) rotates around shaft (5)；

First equalizing feature includes the first pedestal (71), spring (72), piston (73), support column (74), first base Inner surface of seat (71) setting in the shell of the upward face of shaft (5)；One end of the spring (72) is connected to the first pedestal (71) downside, the other end are connected to the outer surface of rotary connector (6)；The support column (74) is arranged in rotary connector (6) side surface of end；The spring (72) is adjacent with support column (74) with the tie point of rotary connector (6)；The work It fills in (73) to be arranged in the surface of support column (74), the movable end of the piston (73) is contacted with the top of support column (74) not to be connected It connects；The pyrocondensation cold gas to rise is housed inside the piston (73)；Central axes and two copper core (4) weights when rotary connector (6) When conjunction, spring (72) is in tensioning state；

The detection part includes the second pedestal (81), gyroscope (82), microcontroller (83), wireless base station apparatus (84), institute The second pedestal (81) to be stated to be arranged in the outer surface of rotary connector (6), the gyroscope (82) is mounted on the second pedestal (81), The gyroscope (82) unidirectionally connect with microcontroller (83) communication, and the microcontroller (83) and wireless base station apparatus (84) are logical The unidirectional connection of letter.

2. according to claim 1 protect system based on 4G network/EC20 charging heap over-current and -load, which is characterized in that The shell includes rotation case (2), hand-held housing (3), and the rotation case (2) is cylindrical shape, the rotation case (2) Both ends are internally provided with internal diameter whorl in the same direction, and the end and second segment line (12) end of the first segment line (11) are respectively provided with There are an outer-diameter threads, the internal diameter whorl at the outer-diameter threads at both ends both ends corresponding with rotation case (2) respectively matches；It is described hand-held Shell (3) is arranged on the outer surface of rotation case (2), rotation case (2) outer surface corresponding with hand-held housing (3) and concaves Fall by hand-held housing (3) clamp rotation case (2) middle part.

3. according to claim 1 protect system based on 4G network/EC20 charging heap over-current and -load, which is characterized in that First pedestal (71) is wedge shape, and inclined-plane is towards support column (74).

4. according to claim 1 protect system based on 4G network/EC20 charging heap over-current and -load, which is characterized in that Downside corresponding with the first pedestal (71) is provided with the second equalizing feature, and the second equalizing feature and the first equalizing feature are about shaft (5) it is centrosymmetric.

5. according to claim 1 protect system based on 4G network/EC20 charging heap over-current and -load, which is characterized in that The wireless base station apparatus (84) uses 4G module EC20.