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Braking air pump, manufacture method for same and control method for same

A brake air pump and technology of an air pump, applied to a brake air pump for a vehicle, the manufacturing method and control field of the above brake air pump, can solve the problems of affecting the air pump, not being able to guarantee the safety of the driver, and being unable to control the electromagnetic clutch, etc., so as to save electric energy , prolong life, use safe and reliable effect

Inactive Publication Date: 2014-12-17
LONGKOU ZHONGYU MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the power supply system of the electromagnetic clutch fails when the vehicle is running, there is a sudden power failure, or other failures occur in the electromagnetic clutch, then the electromagnetic clutch cannot control the work of the air pump at this time, which will affect the function of the air pump and cause the braking system to fail. If it cannot work normally, it may bring a series of serious consequences, and cannot provide a safety guarantee for the driver; of course, some existing vehicles are also equipped with safety structures to prevent the failure of the air pump control system, but the use of these safety structures cannot be guaranteed. Requires parking and manual activation of the fail-safe structure, which has certain limitations

Method used

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  • Braking air pump, manufacture method for same and control method for same
  • Braking air pump, manufacture method for same and control method for same
  • Braking air pump, manufacture method for same and control method for same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Such as figure 2 As shown, an electromagnetic transmission device includes a transmission disc 102 (such as Figure 4 shown), also includes the first transmission device, the second transmission device and the first electric control device, such as image 3 , Figure 7 , Figure 8 As shown, wherein the first transmission device includes three transmission pieces 106, and the three transmission pieces 106 are hinged on the protrusion 117 on the circumferential position of the transmission disc 102 by a pin shaft 124, and the shape of the transmission pieces 106 is arc (such as Figure 5 As shown), the outer surface of the transmission plate 106 is provided with a layer of arc-shaped friction plate 106a bonded on the transmission plate 106 through pressing; the second transmission device is a transmission cylinder 107 (such as Figure 9 , Figure 10 As shown), the transmission cylinder 107 has an opposite end surface with the transmission disk 102 on the outside of t...

Embodiment 2

[0077] Such as Figure 11 shown in Figure 2-10 Under the premise that the other structures in the first embodiment shown in the figure remain unchanged, the difference between the two-speed electromagnetic fan clutch in this embodiment and the first embodiment is that it also includes a magnet fixing plate 210, which is located on the fan The cavity of the fixed disk 209 is installed on the transmission shaft 201 through the transmission sleeve 233. The position of the opposite end surface of the magnet fixed disk 210 and the fan fixed disk 209 is inlaid with a number of first soft irons 215, and the first soft iron 215 is magnetically adsorbed. The permanent magnet 214 and the second soft iron 216 are inlaid on the corresponding position of the permanent magnet 214 on the fan fixing plate 209 .

[0078] Such as Figure 11 As shown, the specific working process of an electromagnetic transmission device of the present invention in a two-speed electromagnetic fan clutch is as...

Embodiment 3

[0087] Such as Figure 12 shown in Figure 11 Under the premise that the other structures in the second embodiment shown in the figure remain unchanged, the difference between the three-speed electromagnetic fan clutch in this embodiment and the first embodiment is that the magnet fixed disk 310 passes through the third bearing 311 (replacing the third bearing 311 in the embodiment The transmission sleeve 233) in the second is installed on the transmission disc 302, and the electromagnet core 303 is provided with inner and outer coil embedding grooves 303a, 303b (such as Figure 15As shown), the outer coil 304a (the first electric control device, which is equivalent to the coil 204 in the second embodiment) is arranged in the outer coil inlay groove 303a, and the direction of the magnetic conduction opening of the outer coil inlay groove 303a points to the circumference of the transmission disc 302 To the position, the inner coil 304b (the second electric control device) is a...

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Abstract

The invention relates to an air pump device for a vehicular pneumatic braking system, in particular to an air pump, which is simple in structure, safe, reliable and capable of working under the accidental outage condition. The braking air pump comprises driving discs, air pump rotating shafts, first driving devices, second driving devices and electric control devices, wherein the driving discs are mounted on the air pump rotating shafts through bearings, and the second driving devices are fixedly connected with the air pump rotating shafts. When powered on, the electric control devices drive the first driving devices so that the second driving devices are separated from the driving discs; and when powered off, the electric control devices drive the first driving devices so that the second driving devices are connected with the driving discs. The braking air pump can be ensured to be in the working state and to brake when a vehicle is in accidental outage, thereby being safe and reliable. The invention further provides a manufacture method and a control method for the braking air pump.

Description

technical field [0001] The invention relates to a brake air pump for a vehicle, in particular to a brake air pump whose work is controlled by an electromagnetic clutch. The present invention also relates to a manufacturing method and a control method of the above-mentioned brake air pump. Background technique [0002] At present, the electromagnetic fan clutch used in automobiles controls the speed of the fan according to the change of the water temperature of the engine, so as to keep the automobile engine in the best state during operation. Specifically, by controlling the energization or power-off of the coil on the electromagnet core to control the attraction and separation of the suction plate on the magnet fixed plate or the fan fixed plate and the transmission plate, thereby controlling the speed of the fan on the fan fixed plate to achieve The effect of making the fan cool down the engine at an appropriate speed. [0003] The existing electromagnetic fan clutch (ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/66B60T13/16B60T17/18
Inventor 王兆宇邢子义吕守卫
Owner LONGKOU ZHONGYU MACHINERY