Digital display air pump and method for accurately obtaining air pressure of inflated device
The technology of an inflatable device and an air pump is applied in the direction of inflatable gas pressure measurement, measuring devices, pumps, etc. It can solve the problems of complicated relationships and the inability of the display device to accurately estimate the air pressure value, so as to achieve accurate real-time air pressure values, convenient judgment, and save manpower and The effect of working hours
Active Publication Date: 2015-02-04
NINGBO YINZHOU IKA AUTOMOTIVE MFG
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[0003] However, since the air compressor is connected to the inflated device through a trachea, the length of the trachea changes, and there is also a difference in whether there is a valve core at the gas inlet of the inflated device. At the same time, when the air pressure in the inflated device changes, the air is compressed. The motor speed of the machine also changes accordingly; the above factors all make the relationship between the air pressure value from the air pressure sensor to the inflated device complicated, so that when the air pump is working, the display device cannot accurately estimate the air pressure value detected by the air pressure sensor. The air pressure value of a tire or other pressure vessel
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[0026] The following are specific embodiments of the present invention in conjunction with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
[0027] Please refer to figure 1 , figure 1 It is a schematic diagram of the circuit principle of the first preferred embodiment of the digital display air pump of the present invention. figure 1 Among them, the digital display air pump includes a direct current input module 1 for receiving external input direct current; a direct current motor 2, an air compressor 3, and a direct current motor 2 drives the air compressor 3 to inflate the inflatable device 4, and the inflator 4 and The air compressor 3 is connected by the air pipe 5; the air pressure sensor 6 is connected between the air compressor 3 and the inflated device 4 for detecting the sampling air pressure value between the air compressor 3 and the inflated device 4; the contro...
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The invention provides a digital display air pump, belonging to the field of an air pump and solving the problem that the existing air pump cannot accurately display an inflating air pressure. The digital display air pump comprises a direct-current input module, a direct-current motor, an air compressor and an air pressure sensor, wherein the air pressure sensor is connected between the air compressor and an inflated device and is used for detecting a sampling air pressure value between the air compressor and the inflated device; and a control module is used for receiving the sampling air pressure value output by the air pressure sensor, processing the sampling air pressure value and outputting an accurate air pressure value to a display module. According to the digital display air pump, a sampling air pressure detected by the air pressure sensor is specially processed in the control module, so that a real-time air pressure value of the inflated device, which is output by the control module, is more accurate, and a user can conveniently judge. The invention further provides a method for accurately obtaining the air pressure of the inflated device.
Description
Technical field [0001] The invention relates to the technical field of inflation, in particular to a digital display air pump and a method for accurately obtaining the air pressure of an inflated device. Background technique [0002] An air pump is a commonly used accessory in automobiles, which uses electricity to drive an air compressor to generate air pressure to inflate the inflated device, such as a tire. During the use of the air pump, in order to understand the air pressure of the inflated device and prevent over-inflation from causing the inflated device to burst, the air pressure sensor is usually connected to the output end of the air compressor, and the inflated device is roughly calculated by detecting the air pressure at the output end of the air compressor , And display the pressure value through the display device. [0003] However, because the air compressor and the inflated device are connected by a trachea, the length of the air tube changes, and there is a diffe...
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IPC IPC(8): F04B35/04F04B49/08G01L17/00
Inventor 袁大明袁大勇
Owner NINGBO YINZHOU IKA AUTOMOTIVE MFG