CN218767268U

CN218767268U - Plug-in detector, plug-in unit and ignition prevention system applied to battery replacement market of two-wheeled vehicle

Info

Publication number: CN218767268U
Application number: CN202221989931.5U
Authority: CN
Inventors: 邹克勤; 周为; 李湘泉; 何剑; 罗青; 鲁建军; 安湘
Original assignee: Hunan Fengyuan Yeshine Kingco New Energy Co ltd
Current assignee: Hunan Fengyuan Yeshine Kingco New Energy Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-03-28
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a plug detector, a plug-in unit and an anti-ignition system applied to the battery replacement market of a two-wheeled vehicle, wherein the plug detector comprises a detector stator, a detector rotor, a pressure sensor, at least one signal contact pin and a spring; one end of the signal contact pin is arranged on the detector rotor, and the other end of the signal contact pin can be inserted into a guide hole formed in the detector stator in a sliding manner; the pressure sensor is arranged at the bottom of the guide hole; the spring is sleeved on the signal contact pin; and under the non-compression state of the spring, the signal contact pin and the pressure sensor are in a non-contact state. Through setting up the plug detector, can be at the plug-in components plug-in state that trades the electric in-process to battery system BMS module transmission detected signal, disconnection discharge MOS pipe when not detecting detected signal opens discharge MOS pipe when detecting detected signal, can stop electrified plug completely, avoids trading the strike sparks that the live action was pulled out to the electric mortiser in-process, can avoid the outage problem of riding in the use simultaneously.

Description

Plug-in detector, plug-in unit and ignition prevention system applied to battery replacement market of two-wheeled vehicle

Technical Field

The utility model relates to a trade electric technical field, especially relate to a plug detector, plug-in components, prevent system of striking sparks who is applied to the bicycle trades electric market.

Background

With the vigorous development of clean energy in China, lithium ion power battery systems are developed very rapidly, and the degree of motorization of vehicles is promoted to be improved continuously. In the application of lithium ion power batteries, a battery replacement mode in a two-wheeled vehicle market is one of important development directions, and the battery replacement market has a difficulty and a pain point all the time, namely, the ignition problem caused by a large number of plugging and unplugging times in the battery replacement process is not a little and is easy to cause the following problems: 1. the butt joint plug-in components bring damages, strike sparks and will make the connector electric conductor cause and melt, have long existed the potential safety hazard. 2. Fear psychology and electric shock risk are caused to the navigating mate, because the striking sparks that the plug in-process caused can cause the frightening to the navigating mate. Therefore, the problem of sparking needs to be solved and radically treated in the field of battery replacement, so that the hidden danger in the aspect can be solved and better experience can be provided for users.

However, in the design process of the battery system, due to the fact that users have five doors and eight doors in the aspect of vehicles, the ignition prevention design is not good in practical application at present, and due to the fact that the control mode of the vehicles, the size of internal capacitors and the habits of batteries of all people are different, the batteries are regularly plugged and unplugged in a live-line mode in the battery replacement process, and therefore the ignition problem of connectors of the battery system is caused. Among the current technical scheme, generally use the mode of regularly cutting off load after the no current to solve the problem of striking sparks, but this scheme causes traffic lights such as easy or take-away guy in the application, after the process of having a dinner, the battery system power supply does not resume at once to frequently lead to the outage problem of riding of electric motor car again.

SUMMERY OF THE UTILITY MODEL

To the weak point of above-mentioned prior art, the utility model aims to provide a be applied to two-wheeled vehicle and trade plug detector, plug-in components, prevent system of striking sparks in electric market, stop because the vehicle trades the potential safety hazard of striking sparks that the electric live wire was pulled out and is leaded to in the electric power consumption process and can avoid the outage problem of riding in the use again.

The first aspect provides a plugging detector applied to a two-wheel vehicle battery replacement market, which comprises a detector stator, a detector rotor, a pressure sensor, at least one signal contact pin and a spring, wherein the detector rotor is arranged on the detector stator;

one end of the signal contact pin is arranged on the detector rotor, and the other end of the signal contact pin can be inserted into a guide hole formed in the detector stator in a sliding manner; the pressure sensor is arranged at the bottom of the guide hole; the spring is sleeved on the signal contact pin; and under the non-compression state of the spring, the signal contact pin and the pressure sensor are in a non-contact state.

When the battery system is implemented, the plugging detector is arranged on the plug-in unit for use, specifically can be arranged on a certain contact pin of the plug-in unit, and is used for connecting the pressure sensor with a BMS module of the battery system through a signal wire; when the insertion is carried out, the detector rotor is extruded by the male end plug-in unit, so that the spring can be compressed, the signal contact pins are pushed to slide to the bottoms of the guide holes, and when the signal contact pins are completely inserted, the signal contact pins reach the bottoms of the guide holes and apply pressure to the pressure sensor, so that the pressure sensor transmits detection signals to a BMS module of the battery system; when the plug-in unit is pulled out, the signal contact pin is reset under the action of the spring, the detection signal disappears firstly, and then the plug-in unit is separated from the high-voltage part of the male plug-in unit. Through the theory of operation of plug detector, the BMS module can break off battery system's the MOS pipe that discharges when not detecting detected signal, opens battery system's the MOS pipe that discharges when detecting detected signal to can realize avoiding exchanging the potential safety hazard of striking sparks that the live electric mortiser pull-out leads to and can avoid the outage problem of riding in the use again.

Furthermore, the number of the signal contact pins and the number of the matched springs are 2-4, the stator of the detector is provided with a corresponding number of guide holes, and the pressed detection surface of the pressure sensor covers the bottoms of all the guide holes. Through setting up many signal contact pins, can make plug detector structure more stable, and when arbitrary contact pin trouble wherein, all the other contact pins can also play a role.

Furthermore, the detector rotor comprises a detector rotor body and a signal contact pin fixing frame arranged on the detector rotor body, and one end of the signal contact pin is arranged on the signal contact pin fixing frame; and the detector rotor is provided with an opening matched with the plug-in pin.

The second aspect provides a plug-in unit applied to a two-wheel vehicle battery replacement market, which comprises a plug-in unit main body and the plug-in detector, wherein the plug-in detector is arranged on one contact pin of the plug-in unit main body.

Furthermore, the plug-in components main part is including gluing head, anodal contact pin, negative pole contact pin, and the detector stator is fixed in glues in the head and corresponds one of them contact pin, detector active cell cover establishes on the corresponding contact pin.

Furthermore, the device also comprises a signal line, a positive connecting line and a negative connecting line; the signal line with the pressure sensor output of plug detector is connected, anodal connecting wire with the anodal contact pin of plug-in components main part is connected, the negative pole connecting wire with the negative pole contact pin of plug-in components main part is connected.

Furthermore, the plug-in main body is a pin-type socket mother plug-in.

In a third aspect, an ignition prevention system applied to a two-wheel vehicle battery replacement market is provided, which comprises the plug detector and a battery system, wherein a pressure sensor of the plug detector is connected with a BMS module of the battery system through a signal line;

the BMS module is used for turning on a discharging MOS tube of the battery system when detecting the detection signal transmitted by the signal wire, and turning off the discharging MOS tube of the battery system when not detecting the detection signal transmitted by the signal wire.

Further, the system also comprises an electric quantity display board connected with the BMS module, wherein the electric quantity display board is used for displaying the electric quantity condition of the battery system and inputting an emergency rescue instruction;

the BMS module is also used for turning on a discharging MOS tube of the battery system when receiving the emergency rescue instruction, and turning off the discharging MOS tube when the current-free time of the battery system exceeds a first time threshold.

Further, the BMS module is also used for detecting the current-free time of the battery system after detecting the detection signal and turning on the discharge MOS tube, and enters the dormancy state when the current-free time exceeds a second time threshold value, and keeps the discharge MOS tube normally open.

Advantageous effects

The utility model provides a be applied to two wheeler and trade plug detector, plug-in components, prevent system of striking sparks in electricity market, through setting up the plug detector, can trade the electric in-process, detect the plug state of plug-in components to battery system's BMS module transmission detected signal, the BMS module breaks off battery system's the MOS pipe that discharges when not detecting detected signal, opens battery system's the MOS pipe that discharges when detecting detected signal. When having realized complete effective connection, battery system discharges, and when incomplete effective connection, battery system does not discharge, can stop hot plug completely, avoids trading the potential safety hazard of striking sparks that hot plug led to in-process hot plug, can avoid the outage problem of riding in the use simultaneously to can guarantee that the user can be simply swift trade the electric operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a plugging detector applied to a two-wheel vehicle battery replacement market according to an embodiment of the present invention;

FIG. 2 is an exploded view of a plug-in unit applied to the battery replacement market of a two-wheeled vehicle provided by the embodiment of the present invention;

fig. 3 is an overall schematic view of a plug-in unit applied to a two-wheel vehicle battery replacement market provided by the embodiment of the invention;

fig. 4 is a schematic structural view of an ignition prevention system applied to a two-wheel vehicle battery replacement market provided by the embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "center", "longitudinal", "lateral", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It is noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or order. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides a plugging detector applied to the battery replacement market of a two-wheeled vehicle, including a detector stator 41, a detector mover, a pressure sensor, and at least one signal pin 42 and a spring 43;

one end of the signal pin 42 is mounted on the detector mover, and the other end thereof is slidably inserted into a guide hole formed in the detector stator 41; the pressure sensor is arranged at the bottom of the guide hole; the spring 43 is sleeved on the signal pin 42; and under the non-compression state of the spring 43, the signal pin 42 and the pressure sensor are in a non-contact state.

In specific implementation, 2 to 4 signal pins 42 and matched springs 43 can be selectively arranged, a corresponding number of guide holes are formed in the detector stator 41, and the pressure detection surface of the pressure sensor covers the bottoms of all the guide holes. By arranging a plurality of signal pins 42, the plugging detector structure can be more stable, and when any signal pin fails, the other signal pins can also function, as shown in fig. 1, a structural schematic diagram of an embodiment including four signal pins is shown.

In this embodiment, the detector mover includes a detector mover body 44 and a signal pin fixing frame 45 disposed thereon, and one end of the signal pin 42 is mounted on the signal pin fixing frame 45; the detector rotor is provided with an opening matched with the plug-in pins 5, so that the detector rotor can slide along the plug-in pins 5. The detector mover body 44 may be formed integrally with the signal pin fixture 45, or as shown in fig. 1, the detector mover body 44 and the signal pin fixture 45 may be fixedly mounted to form a detector mover.

In implementation, the plugging detector 4 is arranged on the plug-in unit for use, specifically, the plugging detector can be arranged on a certain contact pin 5 of the plug-in unit, and the pressure sensor is connected with the BMS module of the battery system through a signal line, the plugging detector is used for detecting the plugging state during battery replacement, under the non-plugging state, the signal contact pin 42 is not contacted with the pressure sensor under the action of the spring 43, and at the moment, the pressure sensor does not output a detection signal; when the insertion is performed, the detector mover is pressed by the male plug, and then the spring 43 is compressed, and meanwhile, the signal pin 42 is pushed to slide towards the bottom of the guide hole, and when the signal pin 42 is completely inserted, the signal pin 42 reaches the bottom of the guide hole and applies pressure to the pressure sensor, so that the pressure sensor transmits a detection signal to the BMS module of the battery system; when the plug-in unit is pulled out, the signal pin 42 is reset under the action of the spring 43, the detection signal disappears, and then the plug-in unit 5 is separated from the high-voltage part of the male terminal plug-in unit. Through the theory of operation of plug detector, the BMS module can break off battery system's the MOS pipe that discharges when not detecting detected signal, opens battery system's the MOS pipe that discharges when detecting detected signal to can realize avoiding exchanging the potential safety hazard of striking sparks that the live electric mortiser pull-out leads to and can avoid the outage problem of riding in the use again.

Example 2

As shown in fig. 2 and 3, the present embodiment provides a plug-in unit applied to the two-wheel vehicle battery replacement market, which includes a plug-in unit main body and the plugging detector 4 as described in embodiment 1, wherein the plugging detector 4 is disposed on one pin 5 of the plug-in unit main body.

Specifically, the plug-in main body at least comprises a rubber head, a positive pin and a negative pin, the detector stator 41 is fixed in the rubber head and corresponds to one of the pins, and the detector rotor is sleeved on the corresponding pin. The device also comprises a signal wire 2, a positive connecting wire 1 and a negative connecting wire 3; the signal line 2 with the pressure sensor output of plug detector 4 is connected, anodal connecting wire 1 with the anodal contact pin of plug-in components main part is connected, negative pole connecting wire 3 with the negative pole contact pin of plug-in components main part is connected.

During implementation, the preferred article style of calligraphy seat box plug-in components of plug-in components main part, so, can need not change the condition of the current vehicle in market and the public end plug-in components of vehicle, reform transform with low costsly, the suitability is strong, can guarantee that the user can trade the electric operation simply swift.

Example 3

As shown in fig. 4, the present embodiment provides an ignition prevention system applied to a two-wheeled vehicle battery replacement market, comprising the plugging detector 4 and a battery system as described in embodiment 1, wherein a pressure sensor of the plugging detector 4 is connected to a BMS module 6 of the battery system through a signal line 2; the BMS module 6 is used for turning on the discharging MOS tube 7 of the battery system when detecting the detection signal transmitted by the signal wire 2, and turning off the discharging MOS tube 7 of the battery system when not detecting the detection signal transmitted by the signal wire. The circuit structure of the battery system is the prior art, and is not described herein again.

In this embodiment, the battery pack further comprises a battery capacity display board 8 connected to the BMS module 6, wherein the battery capacity display board 8 is used for displaying the battery capacity of the battery system and inputting an emergency rescue instruction; the BMS module 6 is also used for turning on the discharging MOS tube 7 of the battery system when receiving the emergency rescue instruction, and turning off the discharging MOS tube 7 when the current-free time of the battery system exceeds a first time threshold.

BMS module 6 is still used for detecting the detection signal and has opened the back of discharging MOS pipe 7, detects battery system no current time to get into the dormancy when no current time surpasses the second time threshold value, and keep discharging MOS pipe 7 and normally open, solve the tradition and prevent that the strategy of striking sparks probably causes the outage problem of riding.

The control principle of the anti-sparking system is as follows: when the system starts to operate, at first BMS (battery management system) module 6 carries out self-detection, detects whether to receive the detected signal of plugging detector 4, if detect detected signal, then opens discharge MOS pipe 7, activates BMS module 6, gets into the mode of discharging, discharges to external load through positive connecting wire 1, negative connecting wire 3. If the detection signal is not detected, the plugging detector may have a fault, and based on this, an emergency rescue function is designed in this embodiment, that is, an emergency rescue instruction is input through an additional current display panel, the input mode may be a set fixed mechanical button, or may be a current display panel touch input implemented on a touch display screen, the mode for activating the input of the emergency rescue instruction may be a preset time duration (e.g., 3 seconds) or a continuous click, and when the BMS module 6 receives the emergency rescue instruction, single discharge is allowed, that is, the BMS module 6 controls to turn on the discharge MOS transistor 7, and when the current-free time of the battery system exceeds a first time threshold (e.g., 30S), the discharge MOS transistor is turned off.

When the discharge MOS tube 7 is turned on and the BMS module 6 is activated, the discharge mode is started, whether the BMS module 6 detects a detection signal of the plug-in detector 4 or not is continuously detected, and when the BMS module 6 detects no detection signal, the plug-in is considered to be being pulled out or is abnormally loosened, the discharge MOS tube 7 is immediately disconnected, the sleep mode is started, the discharge is finished, and the ignition phenomenon can be avoided; if the plugging detector signal is continuously maintained, the next step is entered in which the BMS module 6 detects whether the current-free time of the battery system is greater than a second time threshold (e.g., 30S).

Judging whether BMS module 6 detects the current-free time of battery system and is greater than 30S, when the current-free time is not greater than 30S, return and detect whether BMS module 6 detects the detection signal step of plug detector 4, the circulation detects, when the current-free time is greater than 30S, then BMS module 6 gets into dormancy, discharge MOS pipe 7 is normally open, and continue to detect whether battery system current is greater than 50mA (50 mA is typical value, the current value can be defined according to vehicle actual conditions), when the current is not greater than 50mA, then keep BMS module 6 to get into dormancy, discharge MOS pipe 7 is normally open, the circulation detects the current condition, when the current is greater than 50mA, then activate BMS module 6, and return again whether BMS module 6 detects the detection signal step of plug detector 4, continue to operate. It should be noted that the first time threshold and the second time threshold can be adjusted according to actual requirements.

Because the system of preventing striking sparks can judge whether the battery system contact of this moment has been good through plug detector 4's detected signal, carries out the operation of closed discharge MOS pipe 7 again, so can guarantee can not appear hot plug and cause the phenomenon of striking sparks, secondly owing to can confirm that battery system socket is complete to connect the vehicle this moment after, design battery system discharge MOS opens dormancy normally to solve the tradition and prevent that the strategy of striking sparks probably causes the outage problem of riding. And if the connector is not completely connected with the battery system, the battery system is not electrified, so that the use safety of the battery system is ensured

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A plug-pull detector applied to a two-wheel vehicle battery replacement market is characterized by comprising a detector stator, a detector rotor, a pressure sensor, at least one signal contact pin and a spring;

2. The plugging detector applied to the two-wheel vehicle battery replacement market as claimed in claim 1, wherein the number of the signal pins and the number of the matched springs are 2-4, the stator of the detector is provided with a corresponding number of guide holes, and the pressure detection surface of the pressure sensor covers the bottoms of all the guide holes.

3. The plugging detector applied to the two-wheel vehicle battery replacement market as claimed in claim 1 or 2, wherein the detector mover comprises a detector mover body and a signal pin fixing frame arranged thereon, and one end of the signal pin is mounted on the signal pin fixing frame; and the detector rotor is provided with an opening matched with the plug-in pin.

4. A plug-in unit applied to the battery replacement market of two-wheeled vehicles, which is characterized by comprising a plug-in unit main body and the plug-in detector as claimed in any one of claims 1 to 3, wherein the plug-in detector is arranged on one plug pin of the plug-in unit main body.

5. The plug-in unit applied to the two-wheeled vehicle battery replacement market as claimed in claim 4, wherein the plug-in unit main body comprises a rubber head, a positive pin and a negative pin, the detector stator is fixed in the rubber head and corresponds to one of the pins, and the detector rotor is sleeved on the corresponding pin.

6. The insert applied to the battery replacement market of the two-wheeled vehicle as claimed in claim 4 or 5, further comprising a signal line, a positive connecting line and a negative connecting line; the signal line with the pressure sensor output of plug detector is connected, anodal connecting wire with the anodal contact pin of plug-in components main part is connected, the negative pole connecting wire with the negative pole contact pin of plug-in components main part is connected.

7. An insert for use in the two-wheeled vehicle battery replacement market as claimed in claim 4 or claim 5, wherein the insert body is a pin letter insert.

8. An ignition prevention system applied to a two-wheel vehicle battery replacement market, characterized by comprising the plug detector as claimed in any one of claims 1 to 3 and a battery system, wherein a pressure sensor of the plug detector is connected with a BMS module of the battery system through a signal line;

9. The system of claim 8, further comprising a charge display panel connected to the BMS module, the charge display panel being configured to display a charge status of the battery system and to input an emergency rescue command;

10. The system of claim 8, wherein the BMS module is further configured to detect a no current time of the battery system after detecting the detection signal and turning on the discharge MOS transistor, and to enter a sleep mode when the no current time exceeds a second time threshold and keep the discharge MOS normally on.