TH70566A - Starters with protective devices when overheating - Google Patents

Abstract

DC60 (01/12/47) has revealed the starters that can be cut. Or cut off the motor circuit reliably and safely when the motor circuit Accept excessive thermal loads The motor circuit consists of a central assembly made of metal. And electrical connections Between the motor lead wire and the positive brush lead wire The middle assembly serves a molten fuse to cut the motor circuit. When the thermal load occurs Over thermal loads in applications. As usual in the circuit of the motor revealed the starters that can be cut. Or cut off the motor circuit reliably and safely when the motor circuit Accept excessive thermal loads The motor circuit consists of a central assembly made of metal. And electrical connections Between the motor lead wire and the positive brush lead wire The middle assembly serves a molten fuse to cut the motor circuit. When that thermal load occurs Over thermal loads in applications. Normally come up in the circuit of the motor

Claims (1)

1.Starters are included: an electric motor that generates rotation when it is supplied. Engine start current Where the electric motor has a frame and a cable ring Mounted on the frame; Motor circuit for the transmission of the start-up current from Battery to electric motor; And an electromagnetic switch placed in the circuit of the motor for Selecting a discharge and blocking the flow Of the starting current through the motor circuit, where the motor circuit is composed of: the motor leads through the ring And has a tip The first placed outside the frame and connected to the master switch and the second end positioned within the frame; The internal motor circuit is internally arranged of an electric motor and forms a current flow path through which the current is started. Supplied through the motor leads will flow through; And the middle assembly made of metal And electrical connections Between the motor leads and the motor's internal circuit or with the middle part of the motor's internal circuitry, where the middle assembly serves to interrupt the motor circuit. When the motor circuit receives a thermal load That is greater than the load oriented The heat in normal use is extremely high. 2. Stroller according to claim 1, where the internal circuit of The motor consists of connecting rods. That formed part of The current flow path, where the connecting rods are divided into one rod assembly And the second stick assembly And the middle assembly has been placed Between the first bar assembly and the second bar assembly, where the The first and second sticks Has been electrically connected to the piece. Assembled in the middle 3. Stroller according to claim 1, where the internal circuit of The motor consists of connecting rods that Forming part of Path of current flow And the middle assembly has been placed between the connecting rods. And the second end of the motor lead wire, where the connecting rod and section Second end of the line The motor lead wire is electrically connected to the center assembly. 4. Stroller according to claim 1, where the internal circuit of The motor consists of connecting rods that Forming part of Path of current flow And internal conductors arranged on the low potential side of the connecting rod And the middle assembly has been It is placed between the connecting rod and the internal conductor, where the connecting rod and the inner conductor are electrically connected to the piece. Assembled in the middle 5. Stroller according to claim 1, where the internal circuit of The motor consists of a lead wire. Of the brush that forms part Of the current flow path And connected to the positive brush of the electric motor, and the middle assembly piece has been arranged Between the brush lead wire and the The second end of the motor's lead wire, where the brush's lead wire and the second end of the motor's lead wire, are electrically connected to the center assembly 6.Straster according to claim 1. , Where the internal circuit of The motor consists of a field winding that Forming part of the line Way of flow And the middle assembly piece has been arranged between the field coils. And the second end of the motor's lead wire, where the field winding and the second end of the lead wire of The motor is electrically connected to the central assembly. 7. Strarter according to claim 1, where the assembly is straight. The medium has been formed from the material. With electrical resistance The greater the conductivity of the motor, and the internal circuitry of the motor and the lower the heat conductivity of the motor. And the internal circuit of the motor. 8. Strarter according to Clause 1, where the assembly meets In the middle there is a neck that forms part. Of the flow path The current through which the ignition current flows, with the said part having a smaller cross-section 9. Strarter according to claim 1 where the component is straight. The middle has a typical T-shaped morphology with three overhangs, one of the three overhangs forming the central rod of the T-shaped morphology and connected to each other the motor lead wires, the rest of the protrusions form the part. The arm of the T-shaped morphology and connected to the internal circuit of the motor, the central assembly has a T-shaped morphology. Came up between one filing and that filing that Left each overhang for the cohort formation, which forms part. One of the current flow paths extending between One filing and the rest of each filing, the size discount has a smaller cross-section of 1 0. Striker according to claim 1, where the assembly is straight. The middle is made of steel 1 1. Strarter according to claim 1, where the assembly is straight The middle is assembled with figure assembling pieces. Sheet with the resulting surface Connect the motor leads and / or part of the internal circuit. Of the motor is attached to 1 2. the stroller according to claim 11, where the surface of The piece is assembled in the middle of the sheet shape. Connect the surface to make Ensuring the required welding rigidity 1 3. Starter includes: an electric motor consisting of a field system, an armature, a commutator placed on an armature. And the brush placed on Commutator, where the motor generates rotational force by means of an armature when the starting current is supplied from the battery To Armager; An electromagnetic switch with a battery connector connected to the battery and a motor connector connected to the motor, where the electromagnetic switch can be operated in connection and disconnection. Connection way Electrical power of the battery connector and motor connector; Path of current flowing inside the starter For the flow through the start-up current; And a number of circuit segments that are electrically connected together To form a current flow path, where the selected part of the circuit is numbered One has to cut the lead function. Liquid tube for excision Way of flow When the current flow path experiences a thermal load greater than the thermal load in normal use. Excessively, the selected circuit segment has a small cross-sectional area. On a length greater than half of the total length of the circuit segment selected for the act of cutting the conductivity 1 4. Stroller according to claim 13, where the circuit segment The chosen one has been placed within the electric motor 1 5. Stroller according to claim 13, where the field system It consists of a magnetic circuit-forming yoke, a rigid field pole mounted on the inner outer portion of the yoke, and a field coil wrapped around each field pole. And the selected part of the circuit that has The conductive cutting function has been formed by the field winding 1 6. Stroller according to claim 15, where the field winding but Each wire bottle has a cross-sectional area at Smaller on the entire length of the curl Field wire for the act of cutting the conductivity 1 7. Strarter according to claim 15, where the field winding but Each coil has an initial end winding. And the end of the curl at On opposite sides of the beginning of the curl, where the tip begins to curl And at least one curled end will be made Pre-stressed by Acts on that part by pulling force 1 8. Stroller according to claim 13, where part of the band A number that does not include the part of the circuit. The selected part consists of Leagues avoid high temperatures placed near or exposed to combustible parts of the motor, where parts avoid the presence of High temperature has the largest cross-sectional area and the least current density among a number of circuit segments. 1 9. Stroller according to claim 18, where the density Of the current of the section, avoid having The high temperature is about half. One of the current density of a part of the selected circuit section with a smaller cross-sectional area 2 0. Stratters according to claim 18, where the circumferential Avoid high temperature components. Motor lead wire Supported by a ring made of rubber And formed into Combustible part, where the motor's lead wire has one part that Placed outside the motor And connected at the end to the motor connector and the second part placed inside the motor 2 1. Stroller according to Clause 18, where the avoidance Avoid high temperature components. Motor lead wire Supported by a ring made of rubber And form a combustible component and connecting rods held by the insulation that forms Formed from resin And forms a combustible part, where the motor's lead wire has a part arranged outside the motor. And connected at the end to the motor connector and the second part placed inside the motor, the connecting rod electrically connects the motor leads and the field windings.