CN208833135U

CN208833135U - A kind of oil-water interface tool interfacial level automatic reading device

Info

Publication number: CN208833135U
Application number: CN201821939226.8U
Authority: CN
Inventors: 唐猛
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2019-05-07
Anticipated expiration: 2028-11-22

Abstract

The utility model relates to a kind of oil-water interface tool interfacial level automatic reading devices, mechanical device is read automatically including interfacial level, interface level measurement sensor and elevation carrection display module, it includes ruler rotation measuring wheel that interfacial level reads mechanical device automatically, ruler contact roller, ruler directive wheel, ruler contact roller adjusts spring, contact roller pressure adjusting nut and incremental optical-electricity encoder, interfacial level reads mechanical device for obtaining the ruler moving displacement during interface level measurement automatically, interface level measurement sensor is for detecting liquid mediums, elevation carrection display module is for calculating ruler movement value, and it shows its mobile data and calculates measurement interface value, elevation carrection display module includes MCU, LCD liquid crystal display and button.By can be automatic after repeatedly measuring get liquid surface height detected, and calculate remaining space and residual liquid level capacity, simplified operation improves measurement accuracy and efficiency.

Description

A kind of oil-water interface tool interfacial level automatic reading device

Technical field

The utility model relates to height measurement technique fields, and in particular to a kind of oil-water interface tool interfacial level is read automatically Device.

Background technique

For oil-water interface tool in survey room or when managing intracorporal grease vapor interface, traditional method passes through decentralization measurement mark Ruler, when detecting liquid surface, it would be desirable to by way of manually reading, the numerical value of scale is read, and records the number, Since the measurement range in cabin is larger, maximum to can achieve tens meters from measuring mouth to the bilge, this means that the ruler on scale Subscale mark will read out five figure digital (precision to grade) when reading.And the reading number on oil-water interface tool Limited according to window, this makes accurately to read the data complex, to move repeatedly several times；Again after readings, and need The data are recorded, are used so that interface can be calculated below, this virtually increases the complexity of operation and calculating, reduces instrument The convenience that device uses, this especially under the measurement lesser environment in space, increases time of measuring, also needs in practical applications It wants two people to cooperate to complete, increases human cost.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of oil-water interface tool interfacial level automatic reading device, Solve the problems, such as that the interfacial level measurement of oil-water interface tool is inconvenient.

The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of oil-water interface tool interfacial level is read automatically Device, including interfacial level is taken to read mechanical device, interface level measurement sensor and elevation carrection display module, the interface automatically Highly automated reading mechanical device includes ruler rotation measuring wheel, ruler contact roller, ruler directive wheel, ruler contact roller adjustment bullet Spring, contact roller pressure adjusting nut and incremental optical-electricity encoder, the interfacial level read mechanical device for obtaining automatically Ruler moving displacement during interface level measurement, the interface level measurement sensor is for detecting liquid mediums, the height Measurement display module shows its mobile data and calculates measurement interface value, the elevation carrection for calculating size movement value Display module includes MCU, LCD liquid crystal display and button, and the interface level measurement sensor passes through measurement ruler and interface instrument turntable phase Even, the interface instrument turntable is equipped with rotating handle and Interface detection circuit, the ruler that the measurement ruler passes through fixed setting Rotation measuring wheel, ruler directive wheel and ruler contact roller fix its moving direction, and the ruler rotation measuring wheel and ruler compress Wheel is close to setting, and described to be connected with contact roller pressure adjusting nut, the ruler rotation measuring wheel is coaxially set with photoelectric encoder It sets, the photoelectric encoder is connected by encoder power signal line with elevation carrection display module, the signal input of the MCU End be connected with photoelectric encoder and button, the signal output end of the MCU respectively with LCD liquid crystal display and wireless data transfer module It is connected, the MCU, button and LCD liquid crystal display are all connected with power supply.

Based on the above technical solution, the utility model can also do following improvement.

Further, the measurement ruler is wrapped in above ruler rotation measuring wheel, and the measuring scale subband moves ruler rotation Measurement wheel synchronous rotary, the ruler rotation measuring wheel is coaxially fixed in the rotary shaft of photoelectric encoder, and then drives photoelectricity Encoder rotation, to obtain angle of rotation angle value, the ruler contact roller adjusts spring by ruler contact roller and carries out pressure tune It is whole, guarantee non-slip between measurement ruler and ruler rotation measuring wheel.

Further, the model STM32F103C8T6 of the MCU, the model of the LCD liquid crystal display LCD12864G086P, 39 pins of the STM32F103C8T6 chip are connected with 8 pins of LCD12864G086P chip, institute 41 pins for stating STM32F103C8T6 chip are connected with 9 pins of LCD12864G086P chip, the STM32F103C8T6 core 33 pins of piece are connected with 10 pins of LCD12864G086P chip, 32 pins of the STM32F103C8T6 chip with 11 pins of LCD12864G086P chip are connected, 31 pins and LCD12864G086P core of the STM32F103C8T6 chip 12 pins of piece are connected, the drain electrode with one end of capacitor C1 and transistor Q1 respectively of 5 pins of the LCD12864G086P chip It is connected, the other end of capacitor C1 ground connection, the source electrode of transistor Q1 one end with one end of resistance R3, capacitor C2 respectively It connects, the other end ground connection of the capacitor C2, the grid of the other end connection transistor Q1 of the resistance R3, and passes through with power supply Resistance R2 is connected with 46 pins of STM32F103C8T6 chip.

Further, the model NRF24L01 of the wireless data transfer module, the 21 of the STM32F103C8T6 chip Pin is connected with 3 pins of NRF24L01 chip, 26 pins of the STM32F103C8T6 chip and the 5 of NRF24L01 chip Pin is connected, and 27 pins of the STM32F103C8T6 chip are connected with 7 pins of NRF24L01 chip, described 28 pins of STM32F103C8T6 chip are connected with 6 pins of NRF24L01 chip, and the 25 of the STM32F103C8T6 chip Pin is connected with 8 pins of NRF24L01 chip, 22 pins of the STM32F103C8T6 chip and the 4 of NRF24L01 chip Pin is connected, and the 1 pin ground connection of the NRF24L01 chip, 2 pins of the NRF24L01 chip connect power supply.

Further, 10 pins of the STM32F103C8T6 chip connect button key_bottom, described 11 pins of STM32F103C8T6 chip connect button key_water, the 12 pins connection of the STM32F103C8T6 chip 13 pins of button key_oil, the STM32F103C8T6 chip connect button key_base, the STM32F103C8T6 14 pins of chip connect button key_set, and 15 pins of the STM32F103C8T6 chip connect button key_back, 16 pins of the STM32F103C8T6 chip connect button key_ok, and 17 pins of the STM32F103C8T6 chip connect Button key_lcd is met, 29 pins and 30 pins of the STM32F103C8T6 chip are all connected with photoelectric encoder, button Key_lcd increases display effect, button key_base is for set interface measurement sensing for opening LCD backlight Device is located at measuring basis position, and button key_ok is used to select measurement pattern, and measurement pattern is including artificial mode really and automatically Recognition mode, button key_back is for checking a preceding measurement data, and button key_set is for being arranged new test wrapper Border, button key_oil are used to indicate that measurement position at this time to be pasta, and button key_water is used to indicate measurement at this time Position is the water surface, and button key_bottom is used to indicate that measurement position at this time to be the bilge.

Further, 34 pins of the STM32F103C8T6 chip are described by resistance R4 connection power supply 37 pins of STM32F103C8T6 chip are connected to ground, the 5 pins difference of the STM32F103C8T6 chip by resistance R5 It is connected with one end of one end of resistance R6, one end of crystal oscillator Y1 and capacitor C3,6 pins point of the STM32F103C8T6 chip It is not connected with one end of the other end of resistance R6, the other end of crystal oscillator Y1 and capacitor C5, the other end and capacitor of the capacitor C3 The other end of C5 is all connected to ground, and 44 pins of the STM32F103C8T6 chip are connected to ground by resistance R7, described 7 pins of STM32F103C8T6 chip are connected with one end of one end of capacitor C6 and resistance R8 respectively, and the capacitor C6's is another End is connected to ground, and the other end of the resistance R8 connects power supply, and 20 pins of the STM32F103C8T6 chip pass through resistance R1 It is connected to ground, 18 pins of the STM32F103C8T6 chip pass through the anode of resistance R11 connection LED1, and the LED1's is negative Pole is connected to ground, and 1 pin, 24 pins, 36 pins and 48 pins of the STM32F103C8T6 chip are all connected with power supply, described 23 pins, 35 pins, 47 pins and 8 pins of STM32F103C8T6 chip are all connected to ground, the STM32F103C8T6 core 9 pins of piece connect VDDA.

Further, the VDDA is connected with one end of one end of inductance L1, one end of capacitor C10 and capacitor C11 respectively, institute The other end for stating inductance L1 is connected with one end of capacitor C7, one end of capacitor C8, one end of inductance C9 and power supply respectively, the electricity The other end for holding the other end of C7, the other end of capacitor C8, the other end of capacitor C9, the other end of capacitor C10 and capacitor C11 is equal It is connected to ground.

Further, the model YCD-P type interfacial medium measurement sensor of the interface level measurement sensor.

The beneficial effects of the utility model are: in the present invention, including mechanical structure and control circuit, pass through rotation Handle keeps interface level measurement sensor mobile, after lower button, when interface level measurement sensor detects corresponding liquid material, Mechanical structure prevents measurement ruler sliding for fixed and preload measurement ruler, and control circuit is obtained for controlling the mechanical structure To the shift length of the measurement ruler, and by the data monitored in LCD liquid crystal screen display, by can oneself after repeatedly measuring It is so dynamic that get liquid surface height detected, and remaining space and residual liquid level capacity are calculated, simplified operation improves Measurement accuracy and efficiency.

Detailed description of the invention

Fig. 1 is the mechanical construction drawing of the utility model；

Fig. 2 is the utility model circuit module connection figure；

Fig. 3 is the circuit diagram of MCU in the utility model；

Fig. 4 is the circuit diagram of LCD liquid crystal display in the utility model；

Fig. 5 is the circuit diagram of wireless data transfer module in the utility model；

Fig. 6 is the circuit diagram of button in the utility model；

Fig. 7 is the circuit diagram of photoelectric encoder in the utility model；

Fig. 8 is the connection circuit diagram of LED light in the utility model；

Fig. 9 is the circuit diagram of VDDA in the utility model；

Figure 10 is the instrumentation plan of the utility model.

In attached drawing, parts list represented by the reference numerals are as follows:

1, interface level measurement sensor, 2, contact roller pressure adjusting nut, 3, contact roller adjustment spring, 4, ruler contact roller, 5, ruler rotation measuring wheel, 6, photoelectric encoder, 7, encoder power signal line, 8, ruler directive wheel, 9, measurement ruler, 10, Elevation carrection display module, 11, interface instrument turntable, 12, rotating handle.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

As Fig. 1 and Fig. 2 jointly shown in, a kind of device of automatic reading oil-water interface tool interfacial level, including interfacial level Automatic to read mechanical device, interface level measurement sensor 1 and elevation carrection display module 10, interfacial level reads mechanical device automatically Spring 3, contact roller pressure tune are adjusted including ruler rotation measuring wheel 5, ruler contact roller 4, ruler directive wheel 8, ruler contact roller Whole nut 2 and incremental optical-electricity encoder 6, interfacial level read mechanical device for obtaining the ruler during interface level measurement automatically Sub- moving displacement, interface level measurement sensor 1 is for detecting liquid mediums, and elevation carrection display module 10 is for calculating ruler Movement value, and show its mobile data and calculate measurement interface value, elevation carrection display module 10 include MCU, LCD liquid crystal display and Button, interface level measurement sensor 1 are connected by measuring ruler 9 with interface instrument turntable 11, and interface instrument turntable 11 is equipped with rotation hand Handle 12 and Interface detection circuit, ruler rotation measuring wheel 5, ruler directive wheel 8 and the ruler pressure that measurement ruler 9 passes through fixed setting Bearing up pulley 4 fixes its moving direction, and ruler rotation measuring wheel 5 is close to setting and contact roller pressure adjusting nut with ruler contact roller 4 2 are connected, and ruler rotation measuring wheel 5 and photoelectric encoder 6 are coaxially disposed, photoelectric encoder 6 by encoder power signal line 7 with Elevation carrection display module 10 is connected, and the signal input part of MCU is connected with photoelectric encoder 6 and button, the signal output end of MCU It is connected respectively with LCD liquid crystal display and wireless data transfer module, MCU, button and LCD liquid crystal display are all connected with power supply.

Measurement ruler 9 is wrapped in above ruler rotation measuring wheel 5, and measurement ruler 9 drives the synchronous rotation of ruler rotation measuring wheel 5 Turning, ruler rotation measuring wheel 5 is coaxially fixed in the rotary shaft of photoelectric encoder 6, and then photoelectric encoder 6 is driven to rotate, from And angle of rotation angle value is obtained, ruler contact roller 4 adjusts spring 3 by ruler contact roller and carries out pressure adjustment, guarantees measurement ruler 7 It is non-slip between ruler rotation measuring wheel 5.

Connection relationship such as Fig. 3 and Fig. 4 of MCU and LCD liquid crystal display are jointly shown, the model STM32F103C8T6 of MCU, 39 pins of model LCD12864G086P, the STM32F103C8T6 chip of LCD liquid crystal display and LCD12864G086P chip 8 pins are connected, and 41 pins of STM32F103C8T6 chip are connected with 9 pins of LCD12864G086P chip, 33 pins of STM32F103C8T6 chip are connected with 10 pins of LCD12864G086P chip, STM32F103C8T6 chip 32 pins are connected with 11 pins of LCD12864G086P chip, 31 pins of STM32F103C8T6 chip with 12 pins of LCD12864G086P chip are connected, 5 pins of LCD12864G086P chip respectively with one end of capacitor C1 and crystalline substance The drain electrode of body pipe Q1 is connected, the other end ground connection of capacitor C1, the source electrode of transistor Q1 respectively with one end of resistance R3, capacitor C2 One end is connected with power supply, the other end ground connection of capacitor C2, the grid of the other end connection transistor Q1 of resistance R3, and passes through resistance R2 is connected with 46 pins of STM32F103C8T6 chip.

The connection relationship of MCU and wireless data transfer module is as shown in Figure 3 and Figure 5, the model of wireless data transfer module For NRF24L01,21 pins of STM32F103C8T6 chip are connected with 3 pins of NRF24L01 chip, STM32F103C8T6 core 26 pins of piece are connected with 5 pins of NRF24L01 chip, 27 pins and the NRF24L01 chip of STM32F103C8T6 chip 7 pins are connected, and 28 pins of STM32F103C8T6 chip are connected with 6 pins of NRF24L01 chip, STM32F103C8T6 core 25 pins of piece are connected with 8 pins of NRF24L01 chip, 22 pins and the NRF24L01 chip of STM32F103C8T6 chip 4 pins are connected, and the 1 pin ground connection of NRF24L01 chip, 2 pins of NRF24L01 chip connect power supply.

The connection relationship of MCU and button is as shown in Figure 3 and Figure 6, and 10 pins of STM32F103C8T6 chip connect button 11 pins of key_bottom, STM32F103C8T6 chip connect button key_water, and the 12 of STM32F103C8T6 chip Pin connects button key_oil, and 13 pins of STM32F103C8T6 chip connect button key_base, STM32F103C8T6 14 pins of chip connect button key_set, and 15 pins of STM32F103C8T6 chip connect button key_back, 16 pins of STM32F103C8T6 chip connect button key_ok, and 17 pins of STM32F103C8T6 chip connect button Key_lcd, button key_bottom are connected with one end of one end of resistance R19 and capacitor C22 respectively, button key_water Be connected respectively with one end of one end of resistance R18 and capacitor C21, button key_oil respectively with one end of resistance R17 and capacitor One end of C20 is connected, and button key_base is connected with one end of one end of resistance R16 and capacitor C19 respectively, button key_ Set is connected with one end of one end of resistance R15 and capacitor C18 respectively, button key_back respectively with one end of resistance R14 and One end of capacitor C17 is connected, and button key_ok is connected with one end of one end of resistance R13 and capacitor C16 respectively, button key_ Lcd is connected with one end of one end of resistance R12 and capacitor C15 respectively, the other end of resistance R19, the other end of resistance R18, electricity Hinder the other end of the other end of R17, the other end of resistance R16, the other end of resistance R15, the other end of resistance R14, resistance R13 Be all connected with power supply with the other end of resistance R12, the other end of capacitor C22, the other end of capacitor C21, capacitor C20 the other end, The other end of capacitor C19, the other end of capacitor C18, the other end of capacitor C17, the other end of capacitor C16 and capacitor C15 it is another With being all connected to, the connection relationship of MCU and photoelectric encoder is as shown in Figure 3 and Figure 7 for one end, and the 29 of STM32F103C8T6 chip Pin and 30 pins are all connected with photoelectric encoder, and button key_lcd is used to open LCD backlight, increase display effect, Button key_base is located at measuring basis position for set interface measurement sensor, and button key_ok is for selecting measurement mould Formula, measurement pattern include that artificial mode and automatic identification model really are in automatic identification mould when pressing lower button key_ok Formula, when not pressing lower button key_ok, in artificial certain mode, button key_back is for one-shot measurement number before checking According to, button key_set is used to indicate that measurement position at this time to be pasta for new test environment, button key_oil to be arranged, Button key_water is used to indicate that measurement position at this time to be the water surface, and button key_bottom is used to indicate measurement at this time Position is the bilge.

As Fig. 3 and Fig. 8 jointly shown in, 34 pins of STM32F103C8T6 chip by resistance R4 connection power supply, 37 pins of STM32F103C8T6 chip by resistance R5 be connected to ground, 5 pins of STM32F103C8T6 chip respectively with electricity Hinder one end of R6, one end of crystal oscillator Y1 is connected with one end of capacitor C3,6 pins of STM32F103C8T6 chip respectively with resistance The other end of R6, the other end of crystal oscillator Y1 are connected with one end of capacitor C5, and the other end of capacitor C3 and the other end of capacitor C5 are equal It is connected to ground, 44 pins of STM32F103C8T6 chip are connected to ground, 7 pins of STM32F103C8T6 chip by resistance R7 It is connected respectively with one end of one end of capacitor C6 and resistance R8, the other end of capacitor C6 is connected to ground, and the other end of resistance R8 connects Power supply is connect, 20 pins of STM32F103C8T6 chip are connected to ground, 18 pins of STM32F103C8T6 chip by resistance R1 By the anode of resistance R11 connection LED1, the cathode of LED1 is connected to ground, 1 pin of STM32F103C8T6 chip, 24 pins, 36 pins and 48 pins are all connected with power supply, and 23 pins, 35 pins, 47 pins and 8 pins of STM32F103C8T6 chip are all connected with 9 pins to ground, STM32F103C8T6 chip connect VDDA.

As shown in figure 9, VDDA is connected with one end of one end of inductance L1, one end of capacitor C10 and capacitor C11 respectively, electricity The other end of sense L1 is connected with one end of capacitor C7, one end of capacitor C8, one end of inductance C9 and power supply respectively, and capacitor C7's is another One end, the other end of capacitor C8, the other end of capacitor C9, the other end of capacitor C10 and capacitor C11 the other end be all connected to Ground.

In the utility model embodiment, the voltage of power supply is 3.3V.

In the utility model embodiment, the model YCD-P type interfacial medium of interface level measurement sensor measures sensing Device.

As shown in Figure 1, the working process of the utility model is as follows: oil-water interface tool interfacial level automatic reading device is installed After on measured hole, tightening interface level measurement sensor to measuring scale subscale mark is 0 position, and presses " key_set " button； Rotating handle is rotated, interface instrument turntable is rotated, interface level measurement sensor is driven to move down；When interface level measurement sensor probe When touching pasta, photoelectric alarm in measuring circuit, the handle that stops rotating rotation is repeated multiple times, presses " key_oil " Button records the height value H1 of interface level measurement sensor at this time by elevation carrection display module, and shows on LCD liquid crystal display Show；Rotating handle is continued to rotate, when interface level measurement sensor probes contact is to the water surface, photoelectric alarm, stop rotating hand Handle rotation, it is repeated multiple times, " key_water " button is pressed, height value H2 at this time is recorded by elevation carrection display module, and In LCD liquid crystal screen display；Rotating handle is continued to rotate, when interface level measurement sensor probes contact is to the bilge, is stopped Rotating handle rotation, presses " key_bottom " button, by elevation carrection display module record height value H3 at this time, and LCD liquid crystal screen display；Calculate core intersection are as follows: H2-H1 calculates water layer thickness are as follows: H3-H2.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims

1. a kind of oil-water interface tool interfacial level automatic reading device, which is characterized in that read machinery automatically including interfacial level Device, interface level measurement sensor (1) and elevation carrection display module (10), the interfacial level read mechanical device automatically and include Ruler rotation measuring wheel (5), ruler directive wheel (8), ruler contact roller adjustment spring (3), compresses wheel load at ruler contact roller (4) Power adjusting nut (2) and incremental optical-electricity encoder (6), the interface level measurement sensor (1) are used to detect liquid mediums, The interfacial level reads mechanical device for obtaining the ruler moving displacement during interface level measurement, the elevation carrection automatically Display module (10) shows its mobile data and calculates measurement interface value, the elevation carrection for calculating ruler movement value Display module (10) includes MCU, LCD liquid crystal display and button, and the interface level measurement sensor (1) passes through measurement ruler (9) and boundary Face instrument turntable (11) is connected, and the interface instrument turntable (11) is equipped with rotating handle (12) and Interface detection circuit, the measurement Ruler (9) fixes its movement by ruler rotation measuring wheel (5), ruler directive wheel (8) and the ruler contact roller (4) of fixed setting Direction, the ruler rotation measuring wheel (5) are close to setting, described and contact roller pressure adjusting nut (2) with ruler contact roller (4) It is connected, the ruler rotation measuring wheel (5) and photoelectric encoder (6) are coaxially disposed, and the photoelectric encoder (6) passes through encoder Power signal line (7) is connected with elevation carrection display module (10), the signal input part of the MCU and photoelectric encoder (6) and Button is connected, and the signal output end of the MCU is connected with LCD liquid crystal display and wireless data transfer module respectively, the MCU, presses Button and LCD liquid crystal display are all connected with power supply.

2. oil-water interface tool interfacial level automatic reading device according to claim 1, which is characterized in that the measuring scale Sub (9) are wrapped in ruler rotation measuring wheel (5) above, and the measurement ruler (9) drives ruler rotation measuring wheel (5) synchronous rotation Turn, the ruler rotation measuring wheel (5) is coaxially fixed in the rotary shaft of photoelectric encoder (6), and then drives photoelectric encoder (6) it rotates, to obtain angle of rotation angle value, the ruler contact roller (4) carries out pressure by ruler contact roller adjustment spring (3) Adjustment guarantees non-slip between measurement ruler (9) and ruler rotation measuring wheel (5).

3. oil-water interface tool interfacial level automatic reading device according to claim 1, which is characterized in that the MCU's Model STM32F103C8T6, the model LCD12864G086P of the LCD liquid crystal display, the STM32F103C8T6 chip 39 pins be connected with 8 pins of LCD12864G086P chip, 41 pins of the STM32F103C8T6 chip with 9 pins of LCD12864G086P chip are connected, 33 pins and LCD12864G086P chip of the STM32F103C8T6 chip 10 pins be connected, 32 pins of the STM32F103C8T6 chip are connected with 11 pins of LCD12864G086P chip, institute 31 pins for stating STM32F103C8T6 chip are connected with 12 pins of LCD12864G086P chip, the LCD12864G086P 5 pins of chip are connected with the drain electrode of one end of capacitor C1 and transistor Q1 respectively, the other end ground connection of the capacitor C1, described The source electrode of transistor Q1 is connect with one end of resistance R3, one end of capacitor C2 and power supply respectively, another termination of the capacitor C2 Ground, the grid of the other end connection transistor Q1 of the resistance R3, and pass through 46 pipes of resistance R2 and STM32F103C8T6 chip Foot is connected.

4. oil-water interface tool interfacial level automatic reading device according to claim 3, which is characterized in that the no line number According to the model NRF24L01 of transmission module, 21 pins of the STM32F103C8T6 chip and 3 pins of NRF24L01 chip It is connected, 26 pins of the STM32F103C8T6 chip are connected with 5 pins of NRF24L01 chip, the STM32F103C8T6 27 pins of chip are connected with 7 pins of NRF24L01 chip, 28 pins and NRF24L01 of the STM32F103C8T6 chip 6 pins of chip are connected, and 25 pins of the STM32F103C8T6 chip are connected with 8 pins of NRF24L01 chip, described 22 pins of STM32F103C8T6 chip are connected with 4 pins of NRF24L01 chip, and 1 pin of the NRF24L01 chip connects 2 pins on ground, the NRF24L01 chip connect power supply.

5. oil-water interface tool interfacial level automatic reading device according to claim 3, which is characterized in that described 10 pins of STM32F103C8T6 chip connect button key_bottom, and 11 pins of the STM32F103C8T6 chip connect Button key_water is met, 12 pins of the STM32F103C8T6 chip connect button key_oil, described 13 pins of STM32F103C8T6 chip connect button key_base, the 14 pins connection of the STM32F103C8T6 chip 15 pins of button key_set, the STM32F103C8T6 chip connect button key_back, the STM32F103C8T6 16 pins of chip connect button key_ok, and 17 pins of the STM32F103C8T6 chip connect button key_lcd, institute 29 pins and 30 pins for stating STM32F103C8T6 chip are all connected with photoelectric encoder (6), and button key_lcd is for opening LCD backlight, increases display effect, and button key_base is located at measuring basis position for set interface measurement sensor It sets, for button key_ok for selecting measurement pattern, measurement pattern includes artificial mode and automatic identification model really, button Key_back is for checking a preceding measurement data, and button key_set is for being arranged new test environment, button key_oil For indicating that measurement position at this time is pasta, button key_water is used to indicate that measurement position at this time to be the water surface, button Key_bottom is used to indicate that measurement position at this time to be the bilge.

6. oil-water interface tool interfacial level automatic reading device according to claim 3, which is characterized in that described 34 pins of STM32F103C8T6 chip are passed through by resistance R4 connection power supply, 37 pins of the STM32F103C8T6 chip Resistance R5 be connected to ground, 5 pins of the STM32F103C8T6 chip respectively with one end of resistance R6, crystal oscillator Y1 one end and One end of capacitor C3 is connected, 6 pins of the STM32F103C8T6 chip respectively with the other end of resistance R6, crystal oscillator Y1 it is another One end is connected with one end of capacitor C5, and the other end of the capacitor C3 and the other end of capacitor C5 are all connected to ground, described 44 pins of STM32F103C8T6 chip are connected to ground, the 7 pins difference of the STM32F103C8T6 chip by resistance R7 It is connected with one end of one end of capacitor C6 and resistance R8, the other end of the capacitor C6 is connected to ground, and the resistance R8's is another End connection power supply, 20 pins of the STM32F103C8T6 chip are connected to ground, the STM32F103C8T6 by resistance R1 18 pins of chip pass through the anode of resistance R11 connection LED1, and the cathode of the LED1 is connected to ground, described 1 pin, 24 pins, 36 pins and 48 pins of STM32F103C8T6 chip are all connected with power supply, the STM32F103C8T6 core 23 pins, 35 pins, 47 pins and 8 pins of piece are all connected to ground, the 9 pins connection of the STM32F103C8T6 chip VDDA。

7. oil-water interface tool interfacial level automatic reading device according to claim 6, which is characterized in that the VDDA points Be not connected with one end of one end of inductance L1, one end of capacitor C10 and capacitor C11, the other end of the inductance L1 respectively with electricity Hold one end of C7, one end of capacitor C8, inductance C9 one end be connected with power supply, the other end of the capacitor C7, capacitor C8 it is another One end, the other end of capacitor C9, the other end of capacitor C10 and capacitor C11 the other end be all connected to ground.

8. oil-water interface tool interfacial level automatic reading device according to claim 1, which is characterized in that the interface is surveyed The model YCD-P type interfacial medium measurement sensor of quantity sensor (1).