WO2011003289A1

WO2011003289A1 - Intelligent metrical instrument for liquid

Info

Publication number: WO2011003289A1
Application number: PCT/CN2010/070716
Authority: WO
Inventors: 吴茂庭
Original assignee: 深圳天地通汽车科技有限公司
Priority date: 2009-07-10
Filing date: 2010-02-23
Publication date: 2011-01-13

Abstract

An intelligent metrical instrument for liquid comprises a floating device (l), a liquid level sensing and amplifying device (2), a signal conversion device (4), and a signal processing and displaying device (6), wherein the floating device(l) is connected to the liquid level sensing and amplifying device (2), the signal from the floating device (l) is transmitted to the liquid level sensing and amplifying device (2), the signal conversion device (4) and the signal processing and displaying device (6) in turn, the signal processing and displaying device (6) processes the signal and displays the information of liquid.

Description

Intelligent liquid metering technology

The utility model relates to an intelligent liquid measuring instrument, in particular to a measuring device for fuel oil of a fuel tank of an automobile.

Background technique

Since the shape of the liquid container, including the automobile fuel tank, varies widely, it is impossible to accurately measure the liquid in the container, and only a relatively fuzzy capacity ratio can be provided to the user or the driver. With the continuous reduction of non-renewable petroleum resources and rising prices, people are paying more and more attention to fuel consumption of their own or their vehicles and equipment. More and more people, especially car owners or drivers, are increasingly A meter is needed that accurately measures the amount of oil in the tank.

Utility model content

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an intelligent liquid meter which, when applied to an automobile fuel tank, can measure the fuel of the fuel tank of the automobile and display the amount of oil in a digital or/and graphic form.

Another object of the present invention is to provide a prompting and alarming device when the fuel consumption is too large, including stealing oil. In order to achieve the above object, the solution of the present invention is:

The utility model relates to a smart liquid meter, which is used in combination with a liquid container, which comprises a floating device, a liquid level lifting induction amplifying device, a signal conversion device and a signal processing display device. a floating device, a liquid level elevation induction amplifying device, and a signal conversion device are installed in the liquid container, wherein the floating device is connected to the liquid level lifting induction amplifying device; the floating device collects a signal of the liquid in the liquid container, and the collected information is collected The signal is transmitted to the liquid level lifting induction amplifying device, and the liquid level lifting induction amplifying device transmits the signal to the signal conversion device, and the signal conversion device converts the signal and amplifies the signal to the signal processing display device, and the signal processing display device processes the signal to the liquid The liquid information in the container is displayed.

The above signal conversion device is a device capable of converting a displacement signal of a liquid level change obtained by a liquid level elevation induction amplifying device into a countable signal.

The above signal conversion device may be a variable resistance device. A variable resistance device is a device that converts the displacement signal into a countable signal with a change in resistance value. The variable resistance device includes a contact head, a resistor sheet, a signal transmission line and a socket group. The contact head and the resistor sheet are respectively connected to the liquid level elevation induction amplifying device, and the signal transmission line is disposed on the resistor sheet and connected to the socket group.

Preferably, the variable resistance device may further be configured to include a contact head, a resistor group, a signal transmission line, and a socket group, wherein the contact head and the resistor group are respectively connected to the liquid level elevation induction amplifying device. The contact head and the socket group are connected by a signal transmission line.

Further, the above signal conversion device may be a photoelectric signal conversion amplifying device. The photoelectric signal conversion amplifying device is a device that converts a displacement signal into a countable signal by a change in the displacement signal collected by the liquid level elevation induction amplifying device.

The above photoelectric signal conversion amplifying device includes an illuminant, a photoelectric signal conversion amplifier, a circuit board, and a signal transmission line. The illuminant and the photoelectric signal conversion amplifier are mounted on the circuit board, and the circuit board is connected to a socket group through a signal transmission line, and the signal output/input interface on the socket group and the signal processing display device is connected through a signal transmission line.

The above meter may further include a distance adjusting device connected to the liquid level lifting induction amplifying device.

The above distance adjusting device comprises a fixing seat, a sliding block, a sliding groove and a fixing member. The fixing seat is connected with the sliding block, and the sliding block is connected with the liquid level lifting induction amplifying device through the fixing member, and the sliding block slides in the sliding groove, and the sliding groove is connected with the liquid level lifting induction amplifying device.

The floating device includes a float and a connecting rod, the float is raised and lowered with the liquid surface, and the connecting rod is connected to the liquid level lifting induction amplifying device.

The liquid level elevation induction amplifying device comprises a frame body and a gear train, wherein the gear system is mounted on the frame body and connected to the floating device. The resistor piece of the variable resistance device is disposed on the frame.

The gear train includes a driving gear, an amplifying gear set and a signal gear. The driving gear is mounted on the frame and connected to the floating device, and the driving gear, the amplifying gear set and the signal gear are sequentially engaged.

The rotating shaft of the driving gear is vertically connected to the floating device connecting rod.

A small pinion is fixed to the center of the signal gear, and a certain number of regularly arranged holes are formed in the circumferential portion of the signal gear.

The amplifying gear set is composed of a plurality of amplifying gears, preferably two, that is, preferably, the amplification The gear set includes three enlarged gears. Each of the amplifying gears includes a pinion gear and a large gear with a fixed number of teeth, and the pinion gear is fixed at a central portion of the large gear, and the number of teeth of the large gear is more than that of the pinion gear, or is several times the number of teeth of the pinion gear. And the large gear of the first amplifying gear meshes with the pinion of the driving gear, the pinion of the first amplifying gear drives the large gear of the second amplifying gear, and so on, and the large gear and the signal gear of the last amplifying gear d, gear meshing.

When the signal conversion device is a variable resistance device, the resistor group of the variable resistance device may be mounted on the frame, and correspondingly, a contact head is mounted on the signal gear or/and the amplification gear; the variable resistance device The resistor body group can also be mounted on the signal gear or/and the amplification gear, and accordingly, the contact head is mounted on the frame.

When the signal conversion device is a photoelectric signal conversion amplifying device, the photoelectric signal conversion amplifying device can be mounted on the frame, and correspondingly, a set of one of the signal gear, the driving gear or/and the amplifying gear is arranged in a circle. Or a certain number of regularly arranged holes; a contact head may be mounted on the driving gear and a resistor piece may be mounted on the frame body; when the signal gear, the driving gear and/or the amplifying gear are provided with a hole, the There are circuit boards on both sides of the hole, and the circuit board has equal complex illumination or photoelectric conversion devices. The circuit board is disposed on the frame. .

The above signal processing display device includes a fixing device and a microcomputer mounted on the fixing device, a display, a set of input/output interfaces, a button, and an electric horn. The microcomputer is disposed inside the fixing device, the display is disposed on the surface of the fixing device, the signal input/output interface is disposed on the fixing device, and the photoelectric signal conversion amplifying device is connected to the signal processing display device through the signal input/output interface, The button is disposed on the fixing device and connected to the microcomputer by a signal transmission line, and the electric horn is disposed on the fixing device and connected to the microcomputer by the signal transmission line. In addition, the above signal output input interface can also be connected to an external system, such as reading and writing data in the microcomputer through the USB interface, or connecting to the vehicle monitoring device through the interface.

The fixing device comprises a base, a fixing body and a pinion, and the base and the fixing body are connected by a pinion. The base is a plate-shaped body, and includes a fixing ear, and the fixing ear is provided with a perforation.

The pinion includes a stop, a stud and a set screw and a nut, and the stop can function as a baffle, and the stud can be used with the perforation on the fixed ear of the base.

When the signal conversion device is a photoelectric signal conversion amplifying device, including a variable resistance device and a photoelectric signal conversion amplifying device, the debugged smart liquid meter is variable after being powered on The resistance device, the photoelectric signal conversion amplifying device, and the signal processing display device start working, and the display can display the liquid proportion and the number of liquids in the liquid container at that time to display the amount of liquid in the liquid container at that time; when the liquid in the container increases, the float of the floating device As the liquid level rises, the float drives the driving gear of the liquid level lifting induction amplifying device through the connecting rod, the amplifying gear and the signal gear rotate counterclockwise (or clockwise), and the light emitted by the illuminant of the photoelectric signal conversion amplifying device passes through the signal gear. One of the holes is received by the amplifier of the photoelectric signal conversion device and converted into an electrical signal for transmission to the main chip of the signal processing display device through the signal transmission line. Or the contact on the contact head, the liquid level in the liquid container is directly displayed on the display after being processed by the signal processing display device.

When the signal conversion device is provided with a photoelectric signal conversion amplifying device for each of the signal gear and the amplifying gear, after the debugged smart liquid meter is powered on, the photoelectric signal conversion amplifying device and the signal processing display device start to work, and the display device The image can be used to display the proportion and number of liquids in the liquid container at that time to display the amount of liquid in the liquid container at that time; when the liquid in the container increases, the float of the floating device rises with the liquid surface, and the float passes through the connection. The driving gear, the amplifying gear and the signal gear that drive the liquid level lifting induction amplifying device rotate counterclockwise (or clockwise), and the light emitted by the illuminant of the photoelectric signal converting and amplifying device passes through the signal gear and the upper hole on the amplifying gear. The amplifier that is converted by the photoelectric signal receives and becomes an electrical signal and is sent to the main chip of the signal processing display device through the signal transmission line; the liquid level in the liquid container is directly displayed on the display after being processed by the signal processing display device.

In addition, the signal conversion device may also be a magnetoelectric signal conversion amplifying device. The magnetoelectric signal conversion amplification device is a device capable of converting a displacement signal into a countable signal by a magnetic force change of a displacement signal collected by a liquid level elevation induction amplifying device.

When the signal conversion device is a magnetoelectric signal conversion amplifying device, the magnetoelectric signal conversion amplifying device may be mounted on the driving gear or may be mounted on the amplifying gear. Accordingly, a magnetic signal generating member (e.g., a permanent magnet block) is disposed in the circumferential direction on the magnifying gear and/or the driving wheel.

When the signal conversion device includes a photoelectric signal conversion amplifying device included in the signal gear and a magnetoelectric signal conversion amplifying device on the amplifying gear, after the debugged intelligent liquid meter is powered on, the photoelectric signal conversion amplifying device and the magnetoelectric device Signal conversion amplifying device and signal processing display device When starting work, the display can display the proportion and number of liquids in the liquid container at that time to display the amount of liquid in the liquid container at that time; when the liquid in the container increases, the float of the floating device rises with the liquid surface, and the float is driven by the connecting rod. The driving gear, the amplifying gear and the signal gear of the liquid level lifting induction amplifying device rotate counterclockwise (or clockwise), and the light emitted by the illuminant of the photoelectric signal converting and amplifying device passes through a hole in the signal gear, and is received by the photoelectric signal conversion amplifier. And converted into an electrical signal sent to the main chip of the signal processing display device through the signal transmission line; the rotation of the amplifying gear causes the magnetic signal generating member to rotate accordingly, and the change of the magnetic signal caused by the rotation of the magnetic signal generating member is received by the magnetic sensing element After being sent to the magnetoelectric signal conversion amplifying device, the magnetoelectric signal converting and amplifying device converts the countable magnetoelectric signal into a countable signal, and sends the signal to the main chip of the signal processing display device; the liquid level in the liquid container passes the signal After the processing device is processed, it is displayed directly on the display. On.

The same type of intelligent liquid meter of the new model can be used for liquid containers of all shapes and capacities. Simply input the liquid volume data corresponding to each liquid level of the liquid container that needs to be installed with the smart liquid meter into the microcomputer, and the microcomputer can memorize the data and then return the liquid to the liquid. When the liquid is added to the container, the microcomputer can accurately display the volume of the liquid level on the display; the smaller the liquid level measurement unit, the more accurate the liquid volume displayed by the intelligent liquid meter. It can realize the purpose of measuring the fuel of the fuel tank of the automobile and displaying the amount of oil by digital. In addition, it can also provide the driver with the proportion of the fuel in the fuel tank.

DRAWINGS

1 is a schematic structural view of a first embodiment of the present invention;

2 is a schematic structural view of a second embodiment of the present invention;

Figure 3 is a schematic view showing the structure of the floating device of the utility model;

4 is a schematic structural view of a liquid level lifting induction amplifying device according to a first embodiment of the present invention; FIG. 5 is a schematic structural view of a liquid level lifting induction amplifying device according to a second embodiment of the present invention; Schematic diagram of a gear train of an embodiment;

Figure 7 is a schematic view showing the structure of a gear train of a second embodiment of the present invention;

Figure 8 is a schematic view 1 of the driving gear and the connecting rod of the utility model;

Figure 9 is a schematic view 2 of the driving gear and the connecting rod of the utility model;

Figure 10 is a schematic view showing an enlarged gear of the first embodiment of the present invention;

Figure 11 is a schematic view showing an enlarged gear of a second embodiment of the present invention; Figure 12 is a schematic view showing an enlarged gear of a third embodiment of the present invention;

Figure 13 is a schematic view of the signal gear of the present invention;

Figure 14 is a schematic structural view of a variable resistance device according to a first embodiment of the present invention;

15 is a schematic structural view of a variable resistance contact head according to a first embodiment of the present invention; FIG. 16 is a schematic structural view of a variable resistance sheet according to a first embodiment of the present invention;

Figure 17 is a schematic view showing the cooperation of the variable resistor piece and the contact head according to the first embodiment of the present invention; Figure 18A is a schematic view showing the cooperation of the variable resistance device and the gear of the third embodiment of the present invention; FIG. 19A is a schematic view showing the installation of the photoelectric signal conversion amplifying device of the present invention; FIG.

19B is a schematic view showing the installation of the photoelectric signal conversion amplifying device of the present invention;

20A is a schematic diagram of the cooperation of the signal gear and the photoelectric signal conversion amplifying device of the present invention; FIG. 20B is a schematic diagram of the cooperation of the amplifying gear and the photoelectric signal conversion amplifying device of the present invention; FIG. 21 is a schematic diagram of the distance adjusting device of the present invention;

Figure 22 is a schematic structural view of the fixing device of the distance adjusting device of the present invention;

23 is a schematic structural view of a sliding device of the distance adjusting device of the present invention;

Figure 24 is a schematic structural view showing a combination of a sliding groove and a liquid level lifting induction amplifying device of the distance adjusting device of the present invention;

Figure 25 is a schematic diagram of a signal processing display device of the present invention;

Figure 26 is an external view of the signal processing display device of the present invention.

detailed description

In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. It is to be understood that the present invention has been described by the embodiment of the invention The invention is not intended to limit the scope of the invention.

Embodiment 1 Referring to FIG. 1 , the utility model discloses a smart liquid meter, which comprises a floating device 1 , a liquid level lifting induction amplifying device 2 , a signal conversion device (including a variable resistance device 3 and a photoelectric signal). a conversion amplifying device 4), a distance adjusting device 5, and a signal processing display device 6, wherein: As shown in Fig. 3, the floating device 1 includes a float 11 and a connecting rod 12 which can be raised and lowered with the liquid level.

4 and 6, the liquid level elevation induction amplifying device 2 includes a frame body 21 and a gear train 22, and the gear train 22 includes a driving gear 221, an amplifying gear set formed by the amplifying gears 222 and 223, and a signal gear 224, a driving gear. The rotating shaft 2251 of the 221 is connected to the connecting rod 12 of the floating device 1 at 90 degrees, and the driving gear 221 is mounted below the frame 21 (refer to FIG. 1 or FIG. 4).

As shown in FIG. 8 and FIG. 9, the driving gear 221 is connected to the connecting rod 12 via a connecting body 225. The connecting body 225 includes a rotating shaft 2251 integrated with the driving gear 221, a contact head fixing base 2252, a sealing groove 2253, and a sealing.圏 2254, fixed connection 4 dry 12 hole 2255, can achieve the purpose of amplifying the liquid level lifting distance, easy to measure, measure, calculate.

As shown in FIG. 10, the amplifying gear set includes two amplifying gears 222 and 223, each of which includes a pinion having a small number of teeth and a large gear having a large number of teeth, and the pinion 2221 is fixed at the center of the large gear 2222. The pinion 2231 is fixed to the center of the large gear 2232.

As shown in Fig. 13, the signal gear 224 is composed of a light transmission hole 2241, a pinion gear 2242, and a large circle 2243. The light transmission hole 2241 is covered with a large circle 2243, and the pinion gear 2242 is meshed with the large gear 2232 of the amplification gear 223. Through the signal gear, the effect of converting a continuous optical signal into a measurable optical signal can be achieved.

In use, the linear motion of the float 11 of the floating device 1 with the liquid surface is changed by the driving gear 221 to a circular motion of an equidistant distance of 1:1; a circular motion of 1:1 is amplified by the transmission of the gear set, and then amplified. The gear set 222, 223, the signal of the distance of the liquid level lifting is amplified to a required multiple, that is, the clockwise or counterclockwise equidistance rotation of the driving gear 1:1 is amplified to a multiple of 1:1X and transmitted to the signal gear 224; It is then transmitted by the signal gear 224. Through the liquid level elevation induction amplifying device 2, the liquid level lifting signal can be collected to amplify the original 1:1 equidistant motion into a multiple of 1 : 1X and convert it into a quantifiable signal.

As shown in Figs. 4 and 14, the variable resistance device 3 includes a contact head 31 mounted on the contact pad holder 2252 of the driving gear 221, a variable resistor piece 32 mounted on the frame 21, and a signal transmission line 33.

As shown in FIG. 15, the contact head 31 includes a contact point 311, a contact head body 312, a fixed card 313, and a spring 314. As shown in FIGS. 16 and 17, the variable resistor piece 32 includes a substrate 321 , a resistor group 322 of different resistance values, and a conductive slide 323 . The float 11 of the floating device 1 moves linearly with the liquid surface through the driving gear. The 221 is converted into an equidistant distance, that is, a circular motion of 1:1, and the two contact points 311 of the contact head 31 fixed to the contact gear holder 2252 of the driving gear 221 also perform the same circular motion, and the two contact points 311 are elastic at the spring 314. Under the action, respectively, the resistor group 322 and the conductive slide 323 which are composed of different resistance values of the variable resistor piece 32 fixed on the frame 21 are in contact with each other, and the float 11 of the floating device 1 is lifted to different positions with the liquid surface, and then passes. The driving gear 221 drives the contact point 311 to move to a corresponding resistance value on the resistor group 322 of different resistance values on the variable resistance piece 32. The current signal input through the signal transmission line 33 first enters the conductive chute 323 and enters through the contact point 311. The resistor group 322 composed of different resistance values correspondingly output electrical signals of different values according to different resistance values, and electrical signals of different values are transmitted to the signal processing display device 6 through the signal transmission line 33. It shows the scale of the height of the liquid in the liquid container.

19A, 20A, 22, 25, the photoelectric signal conversion amplifying device 4 includes an illuminant 41, a photoelectric signal conversion amplifier 42, a circuit board 43, and a signal transmission line 44. The signal transmission line 44 is connected to the socket group 511, and the socket group 511 and the signal output input interface 64 on the signal processing display device 6 are connected by a signal transmission line, the illuminant 41, the photoelectric signal conversion amplifier 42 is mounted on the circuit board 43, and the circuit board 43 is connected to the socket group 511 through the signal transmission line 44, through the photoelectric The signal conversion amplifying device 4 can convert the optical signal into an electrical signal and amplify and transmit it over a long distance. The continuous light source from the illuminant 41 is cut by the light-transmitting hole 2241 of the rotating signal gear 224 into a meterable light which is converted into a countable pulse signal by the photosensitive sensing component.

21, 22, 23, 24, the present invention further includes a distance adjusting device 5 connected to the liquid level lifting induction amplifying device, which comprises a fixing base 51, a sliding block 52, and a liquid level lifting induction amplifying device The frame body 21 of the 2 is integrally connected with the sliding groove 53 and the fixing screws 54 and 55. The fixing base 51 is mounted on the liquid container. The fixing base 51 has a socket set 511. The fixing base 51 and the sliding block 52 are connected by a fixing screw 54. A long hole 521 is defined in the middle of the 52, and the fixing screw 55 passes through the long hole 521 at a suitable position. The slide 52 slides in the sliding groove 53 and is fixed at a certain position by the screw 55, and the sliding groove 53 and the frame 21 of the liquid level elevation induction amplifying device 2 are fixed, so that the liquid level lifting induction amplifying device 2 is suitable in the container. Position, to achieve the purpose of adapting to the use of different specifications of the fuel tank. Referring to Fig. 25, the signal processing display device 6 includes a fixing device 61, a display 62, a button 63, a signal output input interface 64, and a microcomputer (not shown) fixed in the body.

As shown in Fig. 26, the fixing device 61 includes a base 611, a fixed body 612 and a pinion 613. The base 611 and the fixed body 612 are connected by a pinion 613.

The teeth of the pinion 613, the teeth of the perforations of the base 611 and the teeth in the perforations of the fixed body 612 can adjust the display 62 on the fixed body 612 between 0 and 180 degrees to suit different usage habits. And the purpose of the environment.

In use, the signal processing display device 6 can process the information transmitted from the photoelectric signal conversion amplifying device 4 and the variable resistance device 3 to display the volume of the liquid in the liquid container.

In summary, after the debugged smart liquid meter is powered on, the variable resistance device 3, the photoelectric signal conversion amplifying device 4, and the signal processing display device 6 start to work, and the display 62 can display the liquid in the liquid container at that time. The ratio and the number show the amount of liquid in the liquid container at that time; when the liquid in the container increases, the float 11 of the floating device 1 rises with the liquid surface, and the float 11 drives the driving gear 221 of the liquid level lifting induction amplifying device 2 through the connection 4 dry 12 The amplifying gears 222, 223 and the signal gear 224 are rotated counterclockwise (or clockwise), and the light emitted by the illuminant 41 of the photoelectric signal converting and amplifying device 4 passes through a hole in the signal gear 224, and is received by the photoelectric signal converting amplifier 42 and The electrical signal is converted into an electrical signal, which is sent to the main chip of the signal processing display device 6 through the signal transmission line 44; the contact point on the contact head 31 is different from the resistance group 322 composed of different resistance values of the variable resistor 32. On the resistor body, the liquid level in the liquid container is processed by the signal processing display device 6 Displayed directly on display 62.

Embodiment 2: Referring to FIG. 2, the utility model discloses another intelligent liquid measuring instrument with a structure, which comprises a floating device 1, a liquid level lifting induction amplifying device 2, a photoelectric signal conversion amplifying device 4, and a distance adjusting device. 5, the signal processing display device 6 and the photoelectric signal conversion amplifying device 7, wherein the floating device 1, the distance adjusting device 5 and the signal processing display device 6 are the same as the first embodiment, and will not be further described herein.

As shown in FIGS. 5 and 7, the liquid level elevation induction amplifying device 2 includes a frame body 21 and a gear train 22, and the gear train 22 includes a driving gear 221, an amplifying gear set formed by the amplifying gears 222 and 223, and a signal gear 224, and a driving gear 221 The rotating shaft 2251 is connected to the connecting rod 12 of the floating device 1 at 90 degrees (refer to FIG. 2), and the driving gear 221 is mounted below the frame 21. As shown in FIG. 11, the amplifying gear set includes two amplifying gears 222 and 223, each of which includes a pinion having a small number of teeth and a large gear having a large number of teeth, and the pinion 2221 is fixed at the center of the large gear 2222. The pinion 2231 is fixed to a central portion of the large gear 2232, and the enlarged gear 222 is further provided with a through hole 2223. By amplifying the gear 222, the photoelectric signal conversion amplifying means 7 can realize a function of converting a continuous optical signal into an electric signal which can be recognized by a computer.

As shown in Fig. 13, the signal gear 224 is composed of a light transmission hole 2241, a pinion gear 2242, and a large circle 2243. The light transmission hole 2241 is covered with a large circle 2243, and the pinion gear 2242 is meshed with the large gear 2232 of the amplification gear 223. Through the signal gear, the photoelectric signal conversion amplifying device 4 can realize the function of converting a continuous optical signal into a measurable optical signal.

As shown in Figs. 13, 19A, and 20A, the photoelectric signal conversion amplifying device 4 includes an illuminator 41, a photoelectric signal conversion amplifier 42, a circuit board 43, and a signal transmission line 44. The signal transmission line 44 is connected to the socket group 511. The socket group 511 and the signal output input interface 64 on the signal processing display device 6 are connected by a signal transmission line 44. The illuminant 41 and the photoelectric signal conversion amplifier 42 are mounted on the circuit board 43, and the circuit board 43 is mounted on the circuit board 43. The signal transmission line 44 is connected to the socket group 511, and the photoelectric signal conversion amplifying device 4 can convert the optical signal into an electrical signal and amplify and transmit it over a long distance. The continuous light source from the illuminant 41 is cut into a measurable light by the light-transmitting hole 2241 of the rotating signal gear 224, and is converted into a pulse signal which can be recognized by the light-sensitive component.

As shown in Figs. 11, 19B, and 20B, the photoelectric signal conversion amplifying device 7 includes an illuminator 71, a photoelectric signal conversion amplifier 72, a circuit board 73, and a signal transmission line 74. The signal transmission line 74 is connected to the socket group 511. The socket group 511 and the signal output input interface 64 on the signal processing display device 6 are connected by a signal transmission line 74. The illuminant 71 and the photoelectric signal conversion amplifier 72 are mounted on the circuit board 73. The circuit board 73 The signal transmission line 74 is connected to the outlet group 511, and the photoelectric signal conversion amplifying device 7 functions the same as the photoelectric signal conversion amplifying device 4.

In use, the signal processing display device 6 can process the information transmitted from the photoelectric signal conversion amplifying device 4 and the photoelectric signal conversion amplifying device 7 to display the volume of the liquid in the liquid container.

In summary, after the debugged smart liquid meter is powered on, the photoelectric signal conversion amplifying device 4, the photoelectric signal conversion amplifying device 7, and the signal processing display device 6 start to work, and the display 62 can display the liquid container at that time. The liquid ratio and number show the amount of liquid in the liquid container at that time; When the liquid in the container increases, the float 11 of the floating device 1 rises with the liquid surface, and the float 11 drives the driving gear 221 of the liquid level lifting induction amplifying device 2 through the connecting rod 12, the amplifying gears 222, 223 and the signal gear 224 counterclockwise ( Or clockwise rotation, the light emitted by the illuminant 41 of the photoelectric signal conversion amplifying device 4 passes through a hole in the signal gear 224, is received by the photoelectric signal conversion amplifier 42 and becomes an electrical signal transmitted to the signal processing display through the signal transmission line 44. The main chip processing of the device 6; the light emitted by the illuminant 71 of the photoelectric signal conversion amplifying device 7 passes through a hole in the amplifying gear 222, is received by the photoelectric signal converting amplifier 72, and becomes an electric signal transmitted to the signal processing through the signal transmission line 74. The main chip processing of the display device 6; the liquid level in the liquid container is directly displayed on the display 62 after being processed by the signal processing display device 6.

The more the liquid is increased, the higher the float 11 is lifted, the float 11 drives the driving gear 221 of the liquid level lifting induction amplifying device 2 through the connecting rod 12, the amplifying gear set composed of the amplifying gears 222 and 223, the signal gear 224 counterclockwise or The greater the angle of clockwise rotation, the more times the light emitted by the illuminant 41 of the photoelectric signal conversion amplifying device 4 passes through the light transmitting hole 2241 on the signal gear 224, and the more the optical signal received by the photoelectric signal converting amplifier 42 is converted and amplified. The more electric signals are, the more signals are processed by the main chip sent to the signal processing display device 6 through the signal transmission line 44, and the processed signals are digitally displayed on the display 62; likewise, the photoelectric signal conversion amplifying device The more times the light emitted by the illuminator 71 of the seventh light passes through the light-transmitting hole 2223 on the amplifying gear 222, the more optical signals are received by the photoelectric signal converting amplifier 72, the more electric signals are converted and amplified, and are transmitted through the signal transmission line 74. The more signals processed by the main chip of the signal processing display device 6, the liquid level in the liquid container After being processed by the signal processing display device 6, the image is directly displayed on the display 62.

On the contrary, the liquid in the container drops, the float 11 of the floating device 1 falls with the liquid surface, and the float 11 drives the driving gear 221 of the liquid level lifting induction amplifying device 2 and the amplifying gear composed of the amplifying gears 222 and 223 through the connecting rod 12. The group and signal gears 224 are rotated clockwise (or counterclockwise), and the electrical signals converted into optical signals are amplified and transmitted to a microcomputer for processing and digitally displayed on the display 62.

The more the liquid increases, the faster or more the liquid level rises, the faster or the more information is transmitted and processed; the more the liquid is reduced, the faster and faster the information is transmitted and processed. Embodiment 3: Referring to FIG. 12 and FIG. 18, the utility model discloses a third intelligent liquid meter, which comprises a floating device 1, a liquid level lifting induction amplifying device 2, a photoelectric signal conversion amplifying device 4, and a distance adjusting device. 5 and the signal processing display device 6 and the variable resistance device 8, wherein the floating device 1, the photoelectric signal conversion amplifying device 4, the distance adjusting device 5, and the signal processing display device 6 are the same as the first embodiment, and will not be described herein again. :

As shown in FIG. 12, the amplifying gear set includes two amplifying gears 222 and 223, each of which includes a pinion having a small number of teeth and a large gear having a large number of teeth, and the pinion 2221 is fixed at the center of the large gear 2222. The pinion 2231 is fixed to a central portion of the large gear 2232. The amplification gear 222 is further provided with a resistor group 225, which is composed of a plurality of resistor bodies distributed in a circumferential direction.

As shown in Fig. 18A, the variable resistance device 8 includes a contact head 81, a contact head 82, a resistor body group (not shown), a signal transmission line 84, and a socket group 511.

As shown in Fig. 18B, the contact head 81 includes a contact 811, a contact head body 812, a fixed card 813, and a spring 814. The contact head 82 includes a contact 821, a contact head body 822, a fixed card 823, and a spring 824.

The resistor body set on the amplifying gear 222 is mounted on the amplifying gear 222, and the two electrical connecting terminals of the resistor body are separated from the two sides of the amplifying gear 222, and the contact head 81 is in contact with an electrical connection terminal of the resistor body. The contact head 82 is in contact with another electrical connection terminal of the resistor body, and the two contact points are respectively different in the variable resistor group fixed on the amplification gear 222 by the spring force. The resistor is connected tightly.

The linear motion of the float 11 of the floating device 1 as it rises and falls with the liquid surface is converted into a circular motion by the amplifying gear 222, and the contact point 811 of the contact head 81 fixed to the frame 21 and the contact point 821 of the contact head 82 and the resistor group 83 are The resistors of different resistances are in contact with each other, and the change of the liquid level becomes a countable signal after the change of the resistance value, and is transmitted to the signal processing display device 6 through the signal transmission line 84 and the socket group 511 for processing. The proportion of liquid in the liquid container is high.

There are other different modifications of the present invention, such as replacing the variable resistance device 3 and/or the photoelectric signal conversion amplifying device 4 in the above embodiments with a magnetoelectric signal conversion amplifying device, or the variable resistance device 8 and the photoelectric signal. The replacement and replacement of the cartridges between the conversion amplifying devices 7 are all variants or replacements of the conventional technical means of the technical solution of the present invention, and all fall within the protection scope of the present invention. It should be noted that the method of replacing the variable resistance device 3 with the magnetoelectric signal conversion device is very simple, and it is only necessary to provide a plurality of permanent magnets distributed in the circumferential direction on the enlarged gear shown in FIG. The block, the contact head is replaced by a magnetic sensing element, the rotation of the amplifying gear drives the rotation of the permanent magnet, and the change of the magnetic signal caused by the rotation of the permanent magnet is received by the magnetic sensing element and sent to the magnetoelectric signal conversion device, and the magnetoelectric signal is converted. The device converts the changed magnetic signal into a countable signal, and the signal is amplified and sent to the main chip of the signal processing display device 6 for processing; the liquid level in the liquid container is directly displayed on the display 62 after being processed by the signal processing display device 6. on.

Similarly, the method of replacing the photoelectric signal conversion device 7 using the magnetoelectric signal conversion device is very simple, and it is only necessary to replace a light-transmissive hole on the enlarged gear shown in FIG. 11 with a circular ring shape in the circumferential direction. The plurality of permanent magnet blocks, the illuminant 71 is replaced by a magnetic sensing element, the rotation of the amplifying gear 222 drives the rotation of the permanent magnet, and the change of the magnetic signal caused by the rotation of the permanent magnet is received by the magnetic sensing element and sent to the magnetoelectric signal. a conversion device, the magnetoelectric signal conversion device converts the changed magnetic signal into a countable signal, and the signal is amplified and sent to the main chip of the signal processing display device 6 for processing; the liquid level in the liquid container is processed by the signal processing display device 6 It is then displayed directly on display 62.

The above-mentioned several are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be It is included in the scope of protection of the present invention.

Claims

Claim

1. An intelligent liquid meter for use with a liquid container, comprising: a floating device, a liquid level elevation induction amplifying device, a signal conversion device and a signal processing display device; the floating device and the liquid level lifting induction Amplifying means connected to collect a signal of the liquid in the liquid container, and transmitting the collected signal to the liquid level lifting induction amplifying device; the liquid level lifting inductive amplifying device transmitting a signal to the signal converting device; The converting means converts the signal to the signal processing display means, and the signal processing display means displays the liquid information in the liquid container after being processed.

2. The intelligent liquid meter according to claim 1, wherein: said signal conversion means is a variable resistance means, a photoelectric signal conversion amplifying means or a magnetoelectric signal conversion amplifying means.

3. The intelligent liquid meter according to claim 1 or 2, wherein: the liquid level elevation induction amplifying device comprises a frame body and a gear train, the gear system is mounted on the frame body, the gear train is Floating devices are connected.

4. The intelligent liquid meter according to claim 3, wherein: the gear train comprises a driving gear, an amplifying gear set and a signal gear, wherein the driving gear is mounted on the frame, and the rotating shaft and the floating gear of the driving gear The connecting rods of the device are vertically connected, and the driving gear, the amplifying gear set and the signal gear are sequentially engaged.

5. The intelligent liquid meter according to claim 4, wherein: the signal gear, the driving gear and/or the amplifying gear are provided with one or a set of holes, the holes are for transmitting light, and the resistor body is mounted. Or a magnet is mounted. When the signal gear, the driving gear and/or the amplifying gear set are provided with a hole, the two sides of the hole are respectively provided with a circuit board, and the circuit board has a plurality of light-emitting or photoelectric conversion devices.

6. The intelligent liquid meter according to claim 2, wherein: the variable resistance device comprises a contact head, a resistor sheet, a signal transmission line, and a socket group, wherein the contact head and the resistor sheet respectively Connected to the liquid level lifting induction amplifying device, the resistor piece and the socket group are connected by a signal transmission line, and the resistor piece is disposed on the frame body or the signal gear or the amplifying gear or the driving gear.

7. The intelligent liquid meter according to claim 2, wherein: the variable resistance device comprises a contact head, a resistor group, a signal transmission line, and a socket group, wherein the contact head and the resistor group are respectively liquid The surface lifting induction amplifying device is connected, the contact head and the socket group are connected by the signal transmission line; the resistor body group is a set of resistors with different resistance values arranged in holes in the amplifying gear and/or the signal gear Body composition.

8. The intelligent liquid meter according to claim 2, wherein: said photoelectric signal conversion amplifying device comprises an illuminant, a photoelectric signal conversion amplifier, a circuit board and a signal transmission line; said illuminant and photoelectric signal conversion amplifier are mounted On the circuit board, the circuit board is connected to a socket group through a signal transmission line, and the signal output input interface on the socket group and the signal processing display device is connected through a signal transmission line.

9. The intelligent liquid meter according to claim 1 or 2, wherein: said meter further comprises distance adjusting means connected to said liquid level elevation induction amplifying means.

10. The intelligent liquid meter according to claim 9, wherein: the distance adjusting device comprises a fixing seat, a sliding block, a sliding groove and a fixing member, wherein the fixing seat is connected with the sliding block, and the sliding block slides in the sliding groove and a fixing position is fixed in the sliding groove; the sliding groove is connected to the liquid level lifting induction amplifying device.

11. The intelligent liquid meter according to claim 2, wherein: said signal processing display device comprises: a fixing device and a microcomputer mounted on the fixing device, a display, a set of signal input and output interfaces, and buttons, a microcomputer is disposed inside the fixing device, the display is disposed on a surface of the fixing device, the signal input/output interface is disposed on the fixing device, and the photoelectric signal conversion amplifying device passes through the signal input/output interface and the signal processing display The device is connected, and the button is disposed on the surface of the fixture and connected to the microcomputer by a signal transmission line.

The intelligent liquid meter according to claim 1 or 11, wherein: the signal processing display device further comprises an electric horn, wherein the electric horn is disposed on the fixing device and connected to the microcomputer by a signal transmission line. .

13. The intelligent liquid meter according to claim 11, wherein: the fixing device comprises a base, a fixing body and a pinion, and the base and the fixing body are connected by a pinion.