阅读说明：本技术 一种流体计数无磁机电转换装置 (Fluid counting non-magnetic electromechanical conversion device ) 是由 郁建龙 单仁胜 童科吉 于 2020-05-15 设计创作，主要内容包括：本发明公开了一种流体计数无磁机电转换装置,包括供流体介质流通的流通体,所述流通体上设置有流体计数信号产生的发生装置和流体计数信号的接收装置,所述接收装置上设置有接收线圈,且所述接收装置下方设置有所述发生装置,所述接收装置连接有计数器,当在所述发生装置通过流体介质流通带动旋转运动时,旋转运动的所述发生装置与所述接收装置产生电平信号,则所述接收装置接收到电平信号,所述接收装置将电平信号传输给所述计数器,所述计数器则得出计量值。本发明其设计合理,结构简单,便于生产与安装,更好的消除了磁性计数元件因长期使用退磁而影响计量准确度的隐患。(The invention discloses a fluid counting nonmagnetic electromechanical conversion device, which comprises a circulating body for circulating a fluid medium, wherein a generating device for generating a fluid counting signal and a receiving device for the fluid counting signal are arranged on the circulating body, a receiving coil is arranged on the receiving device, the generating device is arranged below the receiving device, the receiving device is connected with a counter, when the generating device drives the generating device to rotate through the circulation of the fluid medium, the generating device and the receiving device which rotate generate a level signal, the receiving device receives the level signal, the receiving device transmits the level signal to the counter, and the counter obtains a metering value. The invention has reasonable design and simple structure, is convenient for production and installation, and better eliminates the hidden trouble that the measurement accuracy is influenced by the demagnetization of the magnetic counting element after long-term use.)

1. A fluid counting nonmagnetic electromechanical conversion device is characterized in that: the device comprises a circulating body (1) for circulating a fluid medium, wherein a generating device (2) for generating a fluid counting signal and a receiving device (3) for the fluid counting signal are arranged on the circulating body (1), a receiving coil (31) is arranged on the receiving device (3), the generating device (2) is arranged below the receiving device (3), the receiving device (3) is connected with a counter (4), when the generating device (2) drives the generating device to rotate through the circulation of the fluid medium, the generating device (2) and the receiving device (3) which rotate generate a level signal, the receiving device (3) receives the level signal, the receiving device (3) transmits the level signal to the counter (4), and the counter (4) obtains a metering value.

2. A fluid counting non-magnetic electromechanical transducer device according to claim 1, wherein: generating device (2) include semicircle piece (21) and the body of rod (22), semicircle piece (21) lower surface is provided with the body of rod (22), semicircle piece (21) and body of rod (22) are the plastics material preparation and form, just semicircle piece (21) surface coating has metal coating.

3. A fluid counting non-magnetic electromechanical transducer device according to claim 1, wherein: a certain gap exists between the generating device (2) and the receiving device (3), and the distance of the gap is 1-8 mm.

4. A fluid counting non-magnetic electromechanical transducer device according to claim 1, wherein: receiving arrangement (3) are PCB printed board, be provided with four on the PCB printed board receiving coil (31), receiving coil (31) are printing coil, four receiving coil (31) are in become 90 degrees equidistance evenly distributed on the PCB printed board plane.

5. A fluid counting non-magnetic electromechanical transducer device according to claim 4, wherein: the receiving device (3) is fixed to the flow body (1), in particular the PCB is fixed to the flow body (1).

6. A fluid counting non-magnetic electromechanical transducer device according to claim 4, wherein: the receiving device (3) on one side of the receiving coil (31) is provided with a signal output end (32), and the signal output end (32) is connected with the counter (4).

7. A fluid counting non-magnetic electromechanical transducer device according to claim 1, wherein: the circle of the generating device (2) and the circle of the receiving device (3) are on the same straight line.

Technical Field

The invention relates to the technical field of fluid counting data devices, in particular to a fluid counting nonmagnetic electromechanical conversion device.

Background

At present, with the development of fluid counting technology, there are various electromechanical conversion devices for fluid counting, such as metering instruments displayed by mechanical counters such as gas meters, water meters, and electricity meters, and the metering conversion modes thereof are two: one is carried out by adopting a reed switch device; the other method is carried out by adopting a full-polarity magnetic switch and a magnetic sheet. These are all based on whether to finish counting with permanent magnet actuation, all utilize magnetic characteristic to carry out, have the shortcoming as follows: firstly, potential safety hazards of magnetic materials are caused, and a metering error occurs when an external magnet attacks; secondly, the material cost is high; thirdly, after long-time use, the demagnetization phenomenon occurs, and the metering is slowed down; fourthly, the production and processing technology is complex, and the quality control difficulty is high.

There is therefore a need for improvements in the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a fluid counting nonmagnetic electromechanical conversion device.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a fluid counting nonmagnetic electromechanical conversion device comprises a circulating body for circulating a fluid medium, wherein a generating device for generating a fluid counting signal and a receiving device for the fluid counting signal are arranged on the circulating body, a receiving coil is arranged on the receiving device, the generating device is arranged below the receiving device, the receiving device is connected with a counter, when the generating device drives the generating device to rotate through the circulation of the fluid medium, the generating device and the receiving device which rotate generate a level signal, the receiving device receives the level signal, the receiving device transmits the level signal to the counter, and the counter obtains a metering value.

Preferably, generating device includes semicircle piece and body of rod, semicircle piece lower surface is provided with the body of rod, semicircle piece and body of rod are the plastics material preparation and form, and its material source is extensive, the production preparation of being convenient for, and the cost is dropped into, just semicircle piece surface coating has metal coating, is favorable to the rotatory operation in later stage.

Preferably, a certain gap exists between the generating device and the receiving device, and the distance of the gap is 1-8 mm, so that the generating device can rotate.

Preferably, receiving arrangement is PCB printed board, be provided with four on the PCB printed board receiving coil, specifically the printing has four on the PCB printed board receiving coil, receiving coil is printed coil, four receiving coil is in become 90 degrees equidistance evenly distributed on the PCB printed board plane. The design is reasonable, the cost is saved, and the stability is improved.

Preferably, the receiving device is fixed to the flow-through body, in particular the PCB printed board is fixed to the flow-through body.

Preferably, a signal output end is arranged on the receiving device on one side of the receiving coil, and the signal output end is connected with the counter.

Preferably, the generating means circle and the receiving means circle are collinear.

The invention has the beneficial effects that:

(1) according to the invention, the receiving device is provided with the receiving coil, the generating device is arranged below the receiving device, the receiving device is connected with the counter, when the generating device drives the generating device to rotate through the circulation of the fluid medium, the generating device and the receiving device which rotate generate level signals, then the receiving device receives the level signals, the receiving device transmits the level signals to the counter, and the counter obtains a metering value, so that the hidden danger that the metering accuracy is influenced due to demagnetization caused by long-term use of a magnetic counting element is eliminated, and the problem that the metering accuracy is influenced due to an additional magnet is greatly avoided;

(2) the fluid counting device comprises a circulating body for circulating fluid media, wherein a generating device for generating a fluid counting signal and a receiving device for the fluid counting signal are arranged on the circulating body, and a receiving coil is arranged on the receiving device, so that the fluid counting device is simple in structure, easy to produce, convenient to produce and manufacture, and greatly reduces the cost investment;

(3) the generating device comprises a semicircular block and a rod body, the lower surface of the semicircular block is provided with the rod body, the semicircular block and the rod body are made of plastic materials, the material source is wide, the production and the manufacture are convenient, the cost input is reduced, in addition, the metal coating is coated on the surface of the semicircular block, the material cost is low, meanwhile, the receiving device is a PCB (printed Circuit Board), four receiving coils are arranged on the PCB, the receiving coils are printing coils, the four receiving coils are uniformly distributed on the plane of the PCB in an equidistant mode of 90 degrees, the structure is simple, the production is easy, and the product cost is reduced;

(4) because there is certain clearance between generating device and the receiving arrangement, the distance in clearance is 1 ~ 8 millimeters, and when the generating device drives rotary motion through the fluid medium circulation at generating device, rotary motion's generating device and receiving arrangement produce level signal, then receiving arrangement receives level signal, and receiving arrangement gives the counter with level signal transmission, and the counter then reachs the metering value to be favorable to realizing calculating the circulation body of fluid medium circulation.

The invention has reasonable design and simple structure, is convenient for production and installation, solves the problem that the magnetic element is easy to attack in the use process, better eliminates the hidden trouble that the measurement accuracy is influenced by the demagnetization of the magnetic counting element due to long-term use, and is more beneficial to more accurate measurement.

The invention also provides a fluid metering instrument which comprises the fluid counting non-magnetic electromechanical conversion device and is mainly applied to gas meters, water meters and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a generating device and a receiving device according to the present invention;

FIG. 3 is a schematic diagram of a second embodiment of a generating device and a receiving device according to the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, a fluid counting non-magnetic electromechanical transducer comprises a fluid 1 for flowing fluid medium, a generator 2 for generating fluid counting signal and a receiver 3 for receiving fluid counting signal are arranged on the fluid 1, a receiving coil 31 is arranged on the receiver 3, and the generating device 2 is arranged below the receiving device 3, a certain gap exists between the generating device 2 and the receiving device 3, the distance of the gap is 1-8 mm, the circle of the generating device 2 and the circle of the receiving device 3 are on the same straight line, the receiving device 3 is connected with a counter 4, when the generating device 2 drives the rotating motion through the flowing of the fluid medium, the generating device 2 and the receiving device 3 of the rotating motion generate a level signal, the receiving means 3 receives the level signal and the receiving means 3 transmits the level signal to the counter 4, which counter 4 then derives the metering value.

The generating device 2 comprises a semicircular block 21 and a rod body 22, the lower surface of the semicircular block 21 is provided with the rod body 22, the semicircular block 21 and the rod body 22 are made of plastic materials, and the outer surface of the semicircular block 21 is coated with a metal coating. The receiving device 3 is fixed on the circulating body 1, specifically, the PCB printed board is fixed on the circulating body 1, the receiving device 3 is the PCB printed board, four receiving coils 31 are arranged on the PCB printed board, the receiving coils 31 are printed coils, the four receiving coils 31 are uniformly distributed on the plane of the PCB printed board at 90-degree intervals, a signal output end 32 is arranged on the receiving device 3 at one side of the receiving coils 31, and the signal output end 32 is connected with the counter 4.

The specific formula is as follows:

as shown in fig. 2, in the first embodiment, the receiving device 3 is fixed on the circulating body 1, specifically, the PCB printed board is fixed on the circulating body 1, the receiving device 3 is the PCB printed board, four printed coils are printed on the side edge of the PCB printed board, the four printed coils are uniformly distributed on the plane of the PCB printed board at equal intervals of 90 degrees, the receiving device 3 on one side of the receiving coil 31 is provided with a signal output end 32, the signal output end 32 is connected with the counter 4, the generating device 2 is arranged below the PCB printed board, a gap exists between the PCB printed board and the generating device 2, the distance of the gap is 1-8 mm, the generating device 2 comprises a semicircular block 21 and a rod body 22, the lower surface of the semicircular block 21 is provided with the rod body 22, the semicircular block 21 and the rod body 22 are made of plastic materials, and the outer surface of the semicircular.

As shown in fig. 3, in the second embodiment, the receiving device 3 is fixed on the circulating body 1, specifically, the PCB printed board is fixed on the circulating body 1, the receiving device 3 is the PCB printed board, four printed coils are printed on the lower surface of the PCB printed board, the four printed coils are uniformly distributed on the plane of the PCB printed board at equal intervals of 90 degrees, a signal output end 32 is arranged on the receiving device 3 on one side of the receiving coil 31, the signal output end 32 is connected with the counter 4, the generating device 2 is arranged below the PCB printed board, a gap exists between the PCB printed board and the generating device 2, the distance of the gap is 1-8 mm, the generating device 2 comprises a semicircular block 21 and a rod body 22, the lower surface of the semicircular block 21 is provided with the rod body 22, the semicircular block 21 and the rod body 22 are made of plastic materials, and the outer surface of the semicircular block.

When a medium (liquid or gas) flows in a flowing body 1, a generating device 2 is driven to rotate and comprises a semicircular block 21 and a rod body 22, the semicircular block 21 on the generating device 2 always has two printing coils overlapped with a receiving coil 31 on a receiving device 3 in the rotating process (the overlapped magnetic lines of force cut the two printing coils generate low level), the other two printing coils are not overlapped (the magnetic lines of force of the two non-overlapped coils are not cut, the coils generate high level), the two overlapped printing coils generate low level, the high level generated by the two non-overlapped printing coils is not overlapped, the pulse number, namely the metering value, is obtained through the number of the high level and the low level, so that the receiving device 3 transmits a level signal to a counter 4, the counter 4 obtains the metering value, and the rotating direction of the receiving coil 31 on the receiving device 3 can also be obtained through the sequence generated by the high level and the low level, i.e. the direction of flow (left or right) of the medium (liquid or gas)

The invention also provides a fluid metering instrument, which comprises the fluid counting non-magnetic electromechanical conversion device, is mainly applied to gas meters (such as GL16-25 gas meters), water meters and the like, and is also applicable to various industries needing fluid metering, such as the pharmaceutical industry and the like.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.