JPS5464310A - Safety device for electric motor vehicle - Google Patents

Safety device for electric motor vehicle

Info

Publication number
JPS5464310A
JPS5464310A JP13050777A JP13050777A JPS5464310A JP S5464310 A JPS5464310 A JP S5464310A JP 13050777 A JP13050777 A JP 13050777A JP 13050777 A JP13050777 A JP 13050777A JP S5464310 A JPS5464310 A JP S5464310A
Authority
JP
Japan
Prior art keywords
contact
electric motor
motor vehicle
cause
energized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13050777A
Other languages
Japanese (ja)
Inventor
Susumu Yoshida
Mineo Ozaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP13050777A priority Critical patent/JPS5464310A/en
Publication of JPS5464310A publication Critical patent/JPS5464310A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PURPOSE: To reversely move an electric motor vehicle when the vehicle collides with a wall during forward travel by operating a limit switch to engage an electric brake regardless of the position of an accelerator.
CONSTITUTION: When a manual forward switch LsAF is closed, a magnet coil MF is energized to cause a contact mf to make contact with contact b, a motor DM to normally rotate, and a vehicle to run forward. When an electric motor vehicle collides with a wall or the like, the limit switch LsHD is operated to cause its contact X2 to be disconnected, and its contacts X1 and X3 to be connected so as to deenergize the coil MF. Thus, the contact mf is closed with a contact a. Then, a magnet coil MR is energized to cause a contact mr to make contact with a contact b so as to reversely rotate a motor. Since the contact X3 is connected, the base potential of a transistor Tr1 is dropped via a resistor R3 regardless of the position of an accelerator resistor AR to control the gate of a chopper CH through an oscillator OSC.
COPYRIGHT: (C)1979,JPO&Japio
JP13050777A 1977-10-31 1977-10-31 Safety device for electric motor vehicle Pending JPS5464310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13050777A JPS5464310A (en) 1977-10-31 1977-10-31 Safety device for electric motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13050777A JPS5464310A (en) 1977-10-31 1977-10-31 Safety device for electric motor vehicle

Publications (1)

Publication Number Publication Date
JPS5464310A true JPS5464310A (en) 1979-05-24

Family

ID=15035925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13050777A Pending JPS5464310A (en) 1977-10-31 1977-10-31 Safety device for electric motor vehicle

Country Status (1)

Country Link
JP (1) JPS5464310A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS465258A (en) * 1970-04-25 1971-11-27
JPS4995513A (en) * 1973-01-13 1974-09-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS465258A (en) * 1970-04-25 1971-11-27
JPS4995513A (en) * 1973-01-13 1974-09-10

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