CN217129754U - Inflator pump calibrating device - Google Patents
Inflator pump calibrating device Download PDFInfo
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- CN217129754U CN217129754U CN202220123558.9U CN202220123558U CN217129754U CN 217129754 U CN217129754 U CN 217129754U CN 202220123558 U CN202220123558 U CN 202220123558U CN 217129754 U CN217129754 U CN 217129754U
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Abstract
The utility model discloses an inflator pump calibrating device, including power module, a controller, connect in the control panel module of controller, power module is connected with the gas storage module, be equipped with pressure sensor between power module and the gas storage module in order to detect pressure, control panel module includes first mode and second mode, first mode and second mode are used for calibrating pressure sensor, be equipped with first mode and second mode through control panel, the record with predetermine the AD value that pressure value P1 gas storage module links to each other and with the communicating AD value of external atmosphere and pressure value P2, calculate the slope, and calculate real-time pressure value by the slope. The utility model discloses a do not have the participation of host computer, can realize quick simple pressure sensor and the purpose of cost reduction of maring.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an inflator pump, in particular to inflator pump calibrating device.
[ background of the invention ]
The tyre is an important part for the safe running of the automobile, and if the tyre is flat, it is very dangerous, so that many vehicles are equipped with vehicle-mounted inflator pumps, so that they can be kept running under the correct tyre pressure at any time, and it is very beneficial to the personal safety of the vehicle owner and the maintenance of the vehicle. However, the air pressure calibration step of the vehicle-mounted inflator pump in the current market is complex, an upper computer is arranged, the cost is high, and the operation is required to be carried out with a special tool in a bare plate state. Therefore, in order to meet the functional requirements of pressure feedback and inflation in the container, the pressure sensor of the inflation pump needs to be calibrated.
[ Utility model ] content
To the not enough of prior art, the utility model aims to provide a can realize quick simple calibration pump calibrating device.
The utility model provides a prior art problem can adopt following technical scheme: an inflator calibration device comprising: power module, controller, connect in the control panel module, the power module of controller, the power module is connected with the gas storage module, the power module with be equipped with pressure sensor between the gas storage module in order to detect pressure, its characterized in that: the control panel module comprises a first mode and a second mode, the first mode and the second mode are used for calibrating the pressure sensor, when in the first mode, the power module is communicated with the gas storage module with a preset pressure value P1, and the AD value of the pressure sensor is recorded as AD 1; and in the second mode, the power module is disconnected with the gas storage module, the pressure sensor is directly communicated with the outside atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the slope is used for calculating the real-time pressure value.
The further improvement scheme is as follows: the power module includes motor, gear box, locate in the gear box and with drive assembly, piston, cylinder and the check valve that the motor is connected, drive assembly include connecting rod, driving gear, with the driving gear meshes mutually and is located its inboard driven gear, driven gear with one of them one end of connecting rod is connected, the other end of connecting rod with the motor is connected, the gas storage module includes trachea, charging connector and steady pressure air supply, steady pressure air supply passes through the charging connector with the trachea links to each other, the check valve sets up tracheal income gas port department.
The further improvement scheme is as follows: the control panel module further includes an indicator light.
The further improvement scheme is as follows: the control panel module comprises a display screen and keys.
The further improvement scheme is as follows: the keys comprise a pressurizing key, a pressure reducing key, a power supply key, an illuminating key and a mode key.
The further improvement scheme is as follows: the first mode or the second mode is to press more than one key or to press one and more than one key for more than one second.
The further improvement scheme is as follows: the first mode is that the pressurizing key and the pressure reducing key are pressed simultaneously, the power module is communicated with the gas storage module with a preset pressure value P1, and the AD value of the pressure sensor is recorded as AD 1; the second mode is that the lighting key and the mode key are pressed simultaneously, the power module is disconnected with the gas storage module, the pressure sensor is directly communicated with the outside atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the real-time pressure value is calculated according to the slope.
The further improvement scheme is as follows: the first mode is that the mode key is pressed for 1.5-3 seconds, the power module is communicated with the gas storage module with a preset value P1, and the AD value of the pressure sensor is recorded as AD 1; and in the second mode, the mode key is pressed for more than 3.5 seconds simultaneously, the pressure sensor is disconnected with the pressure stabilizing air source, the pressure sensor and the pressure stabilizing air source are directly communicated with the external atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the slope is used for calculating the real-time pressure value.
The further improvement scheme is as follows: the pressing key can also be a touch key to achieve the effect of the key.
The further improvement scheme is as follows: the air pressure value of the pressure stabilizing air source is set to be more than 2 bar.
The further improvement scheme is as follows: the air pressure value of the pressure stabilizing air source is set to be 2.5 bar.
The further improvement scheme is as follows: and the indicator lamp flickers in the first mode and the second mode. For example, when the pressurizing key and the depressurizing key are pressed simultaneously, the indicator light flickers; when the lighting key and the mode key are pressed simultaneously, the indicator lamp flickers; when only one key is pressed, the indicator light does not flicker.
The further improvement scheme is as follows: the number of times of flashing of the indicator light is different between the first mode and the second mode. For example, but not limiting of, in the first mode, the indicator light flashes 3 times; in the second mode, the indicator light is flashed 4 times.
Compared with the prior art, the utility model discloses following beneficial effect has: the control panel is provided with a first mode and a second mode, an AD value connected with the preset pressure value P1 gas storage module, an AD value communicated with the outside atmosphere and a pressure value P2 are recorded, the slope is calculated, the real-time pressure value is calculated through the slope, the pressure value is measured without the participation of an upper computer such as a non-digital module, and the purposes of quickly and simply calibrating the pressure sensor and reducing the cost can be achieved.
[ description of the drawings ]
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
FIG. 1 is an overall view of the inflator calibration apparatus of the present invention;
FIG. 2 is a perspective view of the inflator calibration device according to the present invention;
fig. 3 is a control circuit diagram of the inflator calibration device according to the present invention.
The meaning of the reference symbols in the figures:
100. inflator pump calibration device 1, power module 11, 12V battery pack 2, controller 3, control panel module 31, indicator lamp 32, display screen 33, pressurizing key 34 and pressure reducing key
35. The device comprises a power supply key 36, an illumination key 37, a mode key 4, a power module 41, a motor 42, a gear box 43, a transmission assembly 431, a connecting rod 432, a driving gear 433, a driven gear 44, a piston 45, a cylinder 46, a one-way valve 5, an air storage module 51, an air pipe 52, an inflating nozzle 53, a 2.5bar pressure-stabilizing air source 6, a pressure sensor 7 and a sensor signal wire
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 and fig. 2, which are illustrations of the present invention, the air pump calibration apparatus 100 of the present invention includes a power module 1, a controller 2, a control panel module 3 connected to the controller 2, and a power module 4, wherein the power module 4 is connected to a gas storage module 5, a pressure sensor 6 is disposed between the power module 4 and the gas storage module 5 to detect pressure, in this embodiment, the power module 1 includes a 12V battery pack; the power module 4 comprises a motor 41, a gear box 42, a transmission assembly 43 arranged in the gear box and connected with the motor, a piston 44, a cylinder 45 and a one-way valve 46, wherein the transmission assembly comprises a connecting rod 431, a driving gear 432 and a driven gear 433 engaged with the driving gear and positioned on the inner side of the driving gear, the driven gear 433 is connected with one end of the connecting rod 431, and the other end of the connecting rod 431 is connected with the motor 41; the gas storage module 5 comprises a gas pipe 51, an inflation nozzle 52 and a pressure-stabilizing gas source 53, the pressure-stabilizing gas source 53 is connected with the gas pipe 51 through the inflation nozzle 52, and the one-way valve 46 is arranged at the gas inlet of the gas pipe 51.
In this embodiment, the control panel module 3 further includes an indicator 31, a display screen 32, a pressure button 33, a pressure release button 34, a power button 35, an illumination button 36, and a mode button 37.
The first mode is that the pressurizing button 33 and the depressurizing button 34 are pressed simultaneously, the power module 4 is communicated with the gas storage module 5 with a preset pressure value P1, and the AD value of the pressure sensor 6 is marked as AD 1; in the second mode, the illumination button 36 and the mode button 37 are pressed simultaneously, the power module 4 is disconnected from the gas storage module 5, the pressure sensor 6 is directly communicated with the outside atmosphere, the pressure value at this time is recorded as P2, and the AD value of the pressure sensor 6 is recorded as AD 2.
Please refer to fig. 3, which is a control circuit diagram of an embodiment of the present invention, when the power button (i.e. power switch) 35 is closed, the controller 2, the control panel module 3 connected to the controller 2, the pressure sensor 6 connected to the controller 2 is powered on, the controller 2 starts to read the electrical signal of the pressure sensor 6 in real time, the electrical signal is converted into an AD value by the controller 2, the charging nozzle 52 is connected to the 2.5bar regulated air source 53, the pressure button 33 and the pressure reduction button 34 are pressed for a long time, the controller 2 reads a plurality of AD values under 2.5bar pressure, the AD values are stored in a fixed address of the EEPROM of the controller 2 after being filtered, and are used as the value of the AD1, at this time, the indicator lamp 31 is powered on and starts to flash, and the indicator lamp 31 is powered off after flashing for 3 times;
disconnecting the inflation nozzle 52 from the 2.5bar pressure-stabilizing air source 53, connecting the inflation nozzle 52 to atmospheric pressure, pressing the illumination key 36 and the mode key 37 for a long time, reading a plurality of AD values under the pressure of 0bar by the controller 2, performing filtering processing, storing the AD values in another fixed address of the EEPROM of the controller 2 as the value of the AD2, starting flashing when the indicator lamp 31 is powered on, and powering off the indicator lamp 31 after flashing for 4 times;
the AD2 is used as a zero point value of the pressure sensor 6, and the calibration is completed by calculating a slope k value through the following formula:
K＝(AD1-AD2)/(P1-P2)；
when detecting the pressure, the controller 2 reads the current AD value of the pressure sensor 6, subtracts the value of AD2, and divides the value by the slope k to obtain the air pressure value of the space where the charging nozzle 52 is connected.
The upper computer is used for calibrating, the upper computer reads the air pressure value of the connected space by using the digital pressure sensor and sends an actual air pressure value to the controller, and the controller reads the AD value of the analog sensor connected to the controller and combines the AD value with the actual air pressure value; repeating the operation after changing the air pressure value to obtain two groups of actual pressure values and the AD value read by the sensor, and calculating the pressure zero point and the slope;
however, because the digital sensor used by the upper computer and the analog sensor connected with the controller have errors, the existing errors are superposed, so that the errors become large, the calibration is influenced, the work procedure of the upper computer is increased, the cost is increased, and the batch production is not facilitated.
Use a plurality of buttons on the control panel module to carry out calibration processing, through whether the pilot lamp 31 visual display calibration succeeds, the in-process only uses a pressure sensor, does not have the superimposed influence of a plurality of sensor errors, and operating procedure is simple, and cost reduction is favorable to batch production.
The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that there are numerous other alternatives to the air compressor disclosed herein without departing from the spirit and scope of the invention. The protection scope of the present invention is subject to the content of the claims.
Claims (10)
1. An inflator calibration device comprising: power module, controller, connect in the control panel module, the power module of controller, the power module is connected with the gas storage module, the power module with be equipped with pressure sensor between the gas storage module in order to detect pressure, its characterized in that: the control panel module comprises a first mode and a second mode, the first mode and the second mode are used for calibrating the pressure sensor, when in the first mode, the power module is communicated with the gas storage module with a preset pressure value P1, and the AD value of the pressure sensor is recorded as AD 1; and in the second mode, the power module is disconnected with the gas storage module, the pressure sensor is directly communicated with the outside atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the slope is used for calculating the real-time pressure value.
2. The inflator calibration device of claim 1, wherein: the power module includes motor, gear box, locates transmission assembly, piston, cylinder and the check valve that just is connected with the motor in the gear box, transmission assembly include connecting rod, driving gear, with the driving gear meshes mutually and is located its inboard driven gear, driven gear with one of them one end of connecting rod is connected, the other end of connecting rod with the motor is connected, the gas storage module includes trachea, charging connector and steady voltage air supply, steady voltage air supply passes through the charging connector with the trachea links to each other, the check valve sets up tracheal income gas port department.
3. The inflator calibration device of claim 1, wherein: the control panel module further includes an indicator light.
4. The inflator calibration device of claim 1, wherein: the control panel module comprises a display screen and keys.
5. The inflator calibration device of claim 4, wherein: the keys comprise a pressurizing key, a pressure reducing key, a power supply key, an illuminating key and a mode key.
6. The inflator calibration device of claim 5 wherein the first mode or the second mode is one or more key presses or one and more key presses for one or more seconds.
7. The inflator calibration device of claim 6 wherein the first mode is a simultaneous depression of the pressurization button and the depressurization button, the power module is in communication with the gas storage module having a predetermined pressure value P1, and the AD value of the pressure sensor is designated as AD 1; the second mode is that the lighting key and the mode key are pressed simultaneously, the power module is disconnected with the gas storage module, the pressure sensor is directly communicated with the outside atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the real-time pressure value is calculated according to the slope.
8. The inflator calibration device according to claim 6, wherein the first mode is a long press of the mode button for 1.5-3 seconds, the power module is communicated with the gas storage module having a preset value P1, and the AD value of the pressure sensor is recorded as AD 1; and in the second mode, the mode key is pressed for more than 3.5 seconds simultaneously, the pressure sensor is disconnected with the pressure stabilizing air source, the pressure sensor and the pressure stabilizing air source are directly communicated with the external atmosphere, the pressure value at the moment is recorded as P2, the AD value of the pressure sensor is recorded as AD2, the controller calculates the slope according to the pressure values and the AD values of the first mode and the second mode, and the slope is used for calculating the real-time pressure value.
9. The inflator calibration device of claim 2, wherein: the air pressure value of the pressure stabilizing air source is set to be more than 2 bar.
10. The inflator calibration device according to claim 7 or 8, wherein: and the indicator lamp flickers in the first mode and the second mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123558.9U CN217129754U (en) | 2022-01-17 | 2022-01-17 | Inflator pump calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123558.9U CN217129754U (en) | 2022-01-17 | 2022-01-17 | Inflator pump calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129754U true CN217129754U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220123558.9U Active CN217129754U (en) | 2022-01-17 | 2022-01-17 | Inflator pump calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129754U (en) |
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2022
- 2022-01-17 CN CN202220123558.9U patent/CN217129754U/en active Active
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