CN203623827U

CN203623827U - Electric bicycle saddle with power-off protection function

Info

Publication number: CN203623827U
Application number: CN201320779890.1U
Authority: CN
Inventors: 王永娣
Original assignee: CHONGQING QIYUAN MACHINERY PARTS Co Ltd
Current assignee: CHONGQING QIYUAN MACHINERY PARTS Co Ltd
Priority date: 2013-11-30
Filing date: 2013-11-30
Publication date: 2014-06-04
Anticipated expiration: 2023-11-30

Abstract

The utility model relates to an electric bicycle saddle with a power-off protection function. The electric bicycle saddle comprises a saddle body and a skin, and is characterized in that a pressure sensor is fixed in the internal space of a damping spring of the saddle body; an upper press plate is arranged above the sensor; the skin is arranged on the outer surface of the saddle body; the upper press plate is made of a rigid material, and the area of the upper press plate is larger than that of the pressure-bearing surface of the pressure sensor; the pressure-bearing surface of the pressure sensor is contacted with the inner surface of the upper press plate; the pressure sensor is connected with a controller; the pressure applying to the saddle body is converted into a digital signal by a circuit, and then the digital signal is input into the controller of an electric bicycle; a PLC (programmable logic controller) arranged in the controller is used for judging whether the digital signal of the pressure sensor is larger than a certain preset threshold value; if the digital signal is larger than or equal to the preset threshold value, an on-off switch connected with a power circuit in series is controlled to be closed; if the digital signal is smaller than the preset threshold value, the on-off switch is maintained to be disconnected; after a rider sits on the electric bicycle saddle, the pressure caused by gravity acts on the pressure sensor and is converted into the pressure digital signal, the digital signal is input into the controlled so as to be judged, and the preset threshold value is the body weight of a person who can safely ride the electric bicycle. Therefore the safety of the rider is guaranteed, and the rider is protected from accidental injury.

Description

A kind of electric bicycle saddle with power-off protection function

Technical field

The utility model relates to the fool proof electric bicycle saddle of a kind of tool, belongs to Electrical Bicycle safety guard technical field.

Background technology

Along with the raising of people's living standard, Electrical Bicycle has progressed into common people family, because the cost of its operation and maintenance is significantly less than motor bike, is therefore more and more subject to people's favor.

Electrical Bicycle is driven by special motor, complete power supply by battery, realize the control to whole Electrical Bicycle by the controller of installing on car, the people who uses Electrical Bicycle can realize and controls Electrical Bicycle and ride according to the speed of own needs by rotating handle; But kinsfolk; or often curious and can drive battery-driven car compared with little minor in other crowds; and less minor does not have regulation speed; protect the ability of oneself, need household to protect by bus, in order to prevent that this unsafe driving from causing safety misadventure; bring huge injury to end user; need a kind of battery-driven car that can prevent that non-security chaufeur from using battery-driven car to give it the gun, prevent potential safety hazard, do not there is at present the battery-driven car of actv. safety.Although there is at present the technology that pressure sensor is set on electric bicycle saddle comes control circuit,, driving when the pressure sensor object not arranging is to prevent go-cart, and do not limit safe driving personnel's function.

Utility model content

The utility model overcomes the deficiency that prior art exists, technical matters to be solved is: a kind of electric bicycle saddle with power-off protection function, comprise: vehicle seat body and covering, it is characterized in that, the damping spring inner space of vehicle seat body is fixed with pressure sensor, sensor top is provided with top board, and covering is positioned at the outside face of vehicle seat body; Described top board is rigid material, area is greater than pressure sensor load bearing face, the load bearing face of described pressure sensor is conflicted on the inside face of top board, pressure sensor is connected with controller, the pressure bearing is converted into digital signal input controller for electric vehicle by circuit, the built-in PLC of controller judges whether the digital signal of pressure sensor is greater than certain default threshold value, if be more than or equal to this threshold value, control the on and off switch closure of connecting with motor circuit, if be less than threshold value, keep described on and off switch to disconnect; After bicyclist sits on vehicle seat, the pressure-acting that gravity causes, on described pressure sensor, converts pressure on the number signal to, and input control device judges, described default threshold value is the value that personnel's that can safe driving battery-driven car body weight produces.

The utility model compared with prior art, the beneficial effect having is: by series connection access circuit switch in the motor circuit of Electrical Bicycle, and the control button of this switch is arranged on vehicle seat, in the time that the bicycle end user of safety keeps correct riding posture, under pressure-acting, press described button, described motor circuit is communicated with, and Electrical Bicycle normally uses; In the time that minor uses Electrical Bicycle, because pupillary body weight is generally lighter, the pressure out of reach threshold value producing, motor circuit power-off, even if less minor grasps key etc., can start Electrical Bicycle, but due to the reason of body weight control, bicycle also can not produce power and accelerate generation accident, brings personal injury to end user.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the schematic diagram of the battery-driven car that contains vehicle seat of the present utility model.

In figure: 1 is that battery-driven car body, 2 is that pressure sensor mechanism, 3 is that control panel, 4 is that handle, 5 is battery.

The specific embodiment

As shown in Figure 1, a kind of electric bicycle saddle with power-off protection function, comprising: vehicle seat body and covering, it is characterized in that, the damping spring inner space of vehicle seat body is fixed with pressure sensor, and sensor top is provided with top board, and covering is positioned at the outside face of vehicle seat body; Described top board is rigid material, area is greater than pressure sensor load bearing face, the load bearing face of described pressure sensor is conflicted on the inside face of top board, pressure sensor is connected with controller, the pressure bearing is converted into digital signal input controller for electric vehicle by circuit, the built-in PLC of controller judges whether the digital signal of pressure sensor is greater than certain default threshold value, if be more than or equal to this threshold value, control the on and off switch closure of connecting with motor circuit, if be less than threshold value, keep described on and off switch to disconnect; After bicyclist sits on vehicle seat, the pressure-acting that gravity causes, on described pressure sensor, converts pressure on the number signal to, and input control device judges, described default threshold value is the value that personnel's that can safe driving battery-driven car body weight produces.

Working process of the present utility model is:

By series connection access circuit switch in the motor circuit of Electrical Bicycle, and the control button of this switch is arranged on vehicle seat, in the time that the bicycle end user of safety keeps correct riding posture, under pressure-acting, press described button, described motor circuit is communicated with, and Electrical Bicycle normally uses; In the time that minor uses Electrical Bicycle, because pupillary body weight is generally lighter, the pressure out of reach threshold value producing, motor circuit power-off, even if less minor grasps key etc., can start Electrical Bicycle, but due to the reason of body weight control, bicycle also can not produce power and accelerate generation accident, brings personal injury to end user.

The battery of battery-driven car is whole Electrical Bicycle power supply, controller is for controlling the normal work of Electrical Bicycle, motor turns round under the control of controller, drive bicycle running, handle carries out speed change to bicycle under the control of controller, makes Electrical Bicycle according to using human needs speed change to travel; In power loop, pass through sequential circuit on and off switch simultaneously, realize the controlled control power output of end user, Accident prevention occurs.

By reference to the accompanying drawings the utility model is explained in detail above, but the utility model is not limited in above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.

Claims

1. one kind has the electric bicycle saddle of power-off protection function, comprise: vehicle seat body and covering, it is characterized in that, the damping spring inner space of vehicle seat body is fixed with pressure sensor, sensor top is provided with top board, and covering is positioned at the outside face of vehicle seat body; Described top board is rigid material, area is greater than pressure sensor load bearing face, the load bearing face of described pressure sensor is conflicted on the inside face of top board, pressure sensor is connected with controller, the pressure bearing is converted into digital signal input controller for electric vehicle by circuit, the built-in PLC of controller judges whether the digital signal of pressure sensor is greater than certain default threshold value, if be more than or equal to this threshold value, control the on and off switch closure of connecting with motor circuit, if be less than threshold value, keep described on and off switch to disconnect; After bicyclist sits on vehicle seat, the pressure-acting that gravity causes, on described pressure sensor, converts pressure on the number signal to, and input control device judges, described default threshold value is the value that personnel's that can safe driving battery-driven car body weight produces.