WO2012006789A1 - Counting device - Google Patents

Abstract

A counting device comprises a signal wheel (1) driven by an equipment to be measured. The signal wheel (1) is coaxially provided with at least one group of holes. Each group of holes is composed of multiple holes, and the holes are provided with the inductors (11) which have different numerical values. An induction mechanism is provided with contacts (31) which have the same number as hole groups on the signal wheel (1), and is used for sensing the inductors (11) and acquiring the inducted signal, and the signal is transferred to a signal processor by a signal wire (2). According to the accepted single signal value and/or continuous signal values, the signal processor is able to determine the number of movement unit distance and movement direction of the equipment to be measured.

Description

 Counting device

Technical collar area

The utility model relates to the field of measurement and measurement, in particular to a counting device for measuring and measuring.

Background technique

Counting technology is widely used in many fields, such as measurement, measurement, etc. Currently, there are various counters on the market, but they generally have problems such as complicated structure, inability to achieve accurate counting, and inability to achieve direction judgment.

Therefore, how to realize the structure of the counting device is simple, practical, accurate, and distinguishing the direction is a technical problem to be solved in the industry. The patent applicant has applied for the patent of “smart liquid counter” and has now expanded on the original patent technology.

Utility model content

The main object of the present invention is to provide a counting device, which aims to realize that the counting device can accurately record an infinite number of numbers, identify the direction of change of the number, and transmit the direction of the recorded digital and digital changes.

The technical solution provided by the utility model is: a counting device, comprising:

a signal wheel driven by the device under test, wherein the signal wheel is provided with at least one set of holes coaxial with the signal wheel, each set of holes being composed of a plurality of holes, the holes being provided with different values of the sensing body;

The sensing mechanism is provided with the same number of contacts as the number of holes on the signal wheel for sensing the sensing body and collecting the sensed signal, and transmitting the signal to the signal processor through the signal line.

Preferably, the holes are through holes or blind holes.

Preferably, the sensing body is a resistor, and the resistance of the resistor is different. The sensing mechanism includes one or more metal domes, and the contacts of the metal dome are in close contact with different ends of different sets of the same resistor.

Preferably, the resistance is a constant resistance.

Preferably, the sensing body is a magnet, and the magnets have different magnetic induction intensities, and the sensing mechanism includes a magnetic sensing device capable of sensing the magnetic induction intensity of the magnet, and each group of sensing bodies is compatible with one of the magnetic sensing devices. Match.

Preferably, the magnet is a permanent magnet.

Preferably, the signal wheel is provided with a driving wheel coaxial with the same.

Preferably, the driving wheel is a pinion gear.

When the signal wheel is driven by the gear of the device to be measured, the information of the sensing body is collected by the sensing mechanism in a unit time, and the result value required by the measuring device is processed by the signal processor, and then displayed through the display screen. The structure is simple, and the counting measurement is more accurate by processing the electrical signal, and the value of the measured device in different directions can also be discerned.

DRAWINGS

1 is a schematic structural view of an example of a counting device of the present invention;

2 is a schematic structural view of an example of a signal wheel of the counting device of the present invention;

3 is a schematic structural view of an example of a metal dome of the counting device of the present invention;

4 is a schematic structural view of another example of the counting device of the present invention;

FIG. 5 is a schematic structural view of still another example of the counting device of the present invention.

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

detailed description

The present invention will be further described in detail below with reference to the drawings and a specific embodiment. It should be understood that the present invention is to be understood by the embodiment of the invention The present invention is not intended to limit the scope of the present invention.

A counting device comprising:

The signal wheel 1 driven by the device under test is provided with at least one set of holes coaxial with the signal wheel 1 on the signal wheel 1. Each group of holes is composed of a plurality of holes, and the holes are provided with different values of the sensing body 11.

The sensing mechanism is provided with the same number of contacts 31 as the number of holes on the signal wheel 1 for sensing the sensing body 11 and collecting the sensed signal, and transmitting the signal to the signal processor through the signal line 2 .

When the signal wheel 1 is driven by the gear of the device to be measured, the information of the sensing body is collected by the sensing mechanism in a unit time, and processed by the signal processor to obtain the result value required by the device to be measured, and then displayed through the display screen.

As shown in FIG. 1 , the signal wheel 1 is provided with two sets of holes, and the sensing body 11 in the hole has 1-n and n1-nn numbers having specific and different values, and the contact points 31 of the two sets of the sensing mechanisms are respectively and outside. The two ends of the sensing body 11 in the two sets of round and inner circles are in close contact; then the value of the sensing body 11 in the outer circle of one set of holes is equivalent to the X-axis in the coordinate system, and a set of holes in the inner circle The value of the sensing body 11 corresponds to the Y-axis in the coordinate system, and any point on the X-axis and any point on the Y-axis are unique points, so that different values can be determined.

The hole is a through hole or a blind hole. The through hole can place both ends of the sensing body 11 on both sides of the signal wheel 1. The blind hole can place both ends of the sensing body 11 on the same side of the signal wheel 1. As an example of the signal wheel 1, the hole is provided as a through hole as shown in FIG.

The sensing body 11 is a resistor, and the resistance of the resistor is different. The sensing mechanism includes two metal domes 3. As shown in FIG. 3, the two contacts 31 of each metal dome 3 have the same resistance of different groups. The two ends of the metal shrapnel 3 and the resistor form a circuit loop.

As shown in FIG. 4, in another embodiment of the present invention, the signal wheel 1 is provided with two sets of holes and distributed along two coaxial circles, the outer circle is provided with a plurality of holes, the inner circle is provided with three holes, and the inner circle is provided. The holes and the outer holes are staggered, and the resistors are fixed with different resistances. The sensing mechanism is an inductive device capable of detecting the resistance of each of the resistors, and the sensing mechanism includes two metals in series with a DC power source. The elastic piece 3 and the two metal elastic pieces 3 are fixed on the fixing structure 4, and each of the metal elastic pieces 3 is provided with two contacts 31, and the contacts 31 of the two metal elastic pieces 3 are respectively disposed on both sides of the signal wheel 1 and In contact with the same resistor, each of the metal domes 3 is provided with two contacts 31, and the two contacts 31 can respectively move along two coaxial circles on the signal wheel 1, and the sensing mechanism will collect the resistance information. Transfer to the desired place, such as to the corresponding processor, through the signal processing to get the corresponding value.

The above resistors are constant resistors, and each resistor is fixed to correspond to a specific value for convenient recording.

As shown in FIG. 5, in another embodiment of the present invention, the signal wheel 1 can also be provided with a set of holes and distributed along a coaxial circle, and a plurality of holes are provided, and constant resistances with different resistance values are fixed in the holes. The two metal domes 3 of the sensing mechanism are respectively provided with an inductive contact 31. The principle and method are the same as those in the above example, and will not be repeated.

The sensing body 11 is a magnet having different magnetic induction intensities, and the sensing mechanism includes a magnetic sensing device capable of sensing the magnetic induction intensity of the magnet, and each of the sensing bodies 11 is in contact with one of the magnetic sensing devices. The magnetic induction device converts information that detects the magnitude of the magnetic induction into an electrical signal for transmission to a desired place.

The above magnet is a permanent magnet, and it is not fixed for a long time and corresponds to a value.

Preferably, as shown in FIG. 3 and FIG. 4, the signal wheel 1 is provided with two sets of holes and distributed along two coaxial circles, the outer circle is provided with a plurality of holes, the inner circle is provided with three holes, and the inner circle is provided. The hole and the outer hole are staggered, and the permanent magnets with different magnetic induction strengths are fixed in the holes, and the magnetic sensing device is provided with two sensing contacts 31 to respectively sense the two sets of coaxial inductors 11.

The signal wheel 1 is provided with a pinion 12 coaxial with it or a small round wheel (ie, a driving wheel) driven by the device under test, the pinion 12 meshes with the gear of the device to be measured, or the small wheel and the small wheel The belt of the device to be measured is adapted, when the pinion gear 12 or the small round wheel is driven, thereby driving the signal wheel 1 to rotate, and the information of the sensing body 11 is collected by the induction mechanism in a unit time, and processed by the signal processor to be measured. The result value required by the device is displayed on the display. The structure is simple, the counting of the counting is more accurate by processing the electrical signal, and the values of the measured device in different directions can also be discerned.

In a preferred embodiment, the utility model is installed in the device to be tested, the pinion gear 12 is meshed with the gear of the device to be tested, and the gear of the rotating device to be detected drives the rotation of the induction wheel through the pinion 12, the metal dome The contact point 31 on the 3 is first in contact with the first sensing body 11 placed in the hole, the signal value of the sensing body 11 represents a number, and the sensed signal value passes through the contact 31, the metal dome 3 and the signal line. 2 transmission to the desired place, such as to the processor that can handle the signal; the signal value obtained by sensing the second to the last sensor 11 is the same principle representing different numbers, transmitted in the same way; When the contact point 31 on the metal dome 3 is in contact with the sensing body 11 placed in the hole, the signal value of the sensing body 11 is also transmitted by the same principle and method; and according to the sum of the signal values of the different sensing bodies 11. / or the order of transmission can be judged by the direction of rotation of the induction circle theory, and the direction and number of rotations of the induction circle theory can also be judged by recording the number of occurrences of a fixed signal value.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation using the specification and the drawings of the present invention may be directly or indirectly applied to Other related technical fields are equally included in the scope of patent protection of the present invention.

Claims (8)

1.  A counting device, comprising:

   a signal wheel driven by the device under test, wherein the signal wheel is provided with at least one set of holes coaxial with the signal wheel, each set of holes being composed of a plurality of holes, the holes being provided with different values of the sensing body;

   The sensing mechanism is provided with the same number of contacts as the number of holes on the signal wheel for sensing the sensing body and collecting the sensed signal, and transmitting the signal to the signal processor through the signal line.
2. The counting device according to claim 1, wherein the hole is a through hole or a blind hole.
3. The counting device according to claim 2, wherein the sensing body is a resistor, and the resistance of the resistor is different. The sensing mechanism includes one or more metal domes, and the contacts on the metal dome are respectively The opposite ends of the same resistor of different groups are in close contact.
4. The counting device according to claim 3, wherein said resistance is a constant resistance.
5. The counting device according to claim 2, wherein the sensing body is a magnet, and the magnets have different magnetic induction intensities, and the sensing mechanism includes a magnetic sensing device that can sense the magnetic induction intensity of the magnet, each The group of sensing bodies is adapted to a magnetic sensing device.
6. The counting device according to claim 5, wherein the magnet is a permanent magnet.
7. The counting device according to any one of claims 1 to 6, wherein the signal wheel is provided with a driving wheel coaxial therewith.
8. The counting device according to claim 7, wherein the driving wheel is a pinion or a small round wheel.

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