CN2445327Y

CN2445327Y - Digit alternating-current kilo-watt-hour meter

Info

Publication number: CN2445327Y
Application number: CN 00234154
Authority: CN
Inventors: 徐兆火
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-29
Filing date: 2000-04-29
Publication date: 2001-08-29
Anticipated expiration: 2010-04-29

Abstract

The utility model relates to a digit alternating-current kilo-watt-hour meter, which comprises a metal rotary disc, a light-emitting element, a light sensing element, a signal line and a signal transformation display device, wherein, the proper position of the board surface of the metal rotary disc is provided with a through hole; the light-emitting element and the light sensing element are respectively, mutually and correspondingly arranged on rotational paths of an upper and a lower hole edges of the through hole. When the metal rotary disc rotates one circle, the light sensing element can receive light ray signals coming from the light sensing element for one time; the light ray signals are transmitted into the signal transformation display device via the signal line, and then are converted into an electric power degree value to be output and displayed; thus, users or meter reading personnel of an electric power company can read the consumed electric power degrees.

Description

The digital type AC ammeter

The utility model system is relevant with the power consumption counting structure in the AC ammeter inside, be meant a kind of electronics numerical digit instrumentation structure of initiating on this AC ammeter especially, user's power consumption rate transition can be become numerical digit signal output by this structure, utilize the transmission of this numerical digit signal to impel the electric degree instrumentation in the AC ammeter more accurately to reach more simple and convenient application again.Belong to electricity consumption metrology and measurement equipment.

The inductive ac ammeter is that Utilities Electric Co. measures the main instrumentation instrument that each power consumer consumes the electric power number of degrees now, and consume the required expense of electric power in order to collect each user, Utilities Electric Co. all can send large quantities of meter reading personnel in the future in the time of one section, make a copy of the new electricity consumption data of each AC ammeter institute progression, for the foundation that is converted into charge, so traditional induction type AC ammeter all need cooperate the meter reading personnel can reach the function that real counting measures electric power numerical value, yet, in fact the meter reading personnel engages required personnel costs, be not to be to absorb voluntarily by Utilities Electric Co., but add all in the overall electric power cost, share again to the electricity consumption numerical value of each power consumer, make electricity rates improve constantly along with the increase of personnel costs.

Moreover, the conventional AC ammeter is a numerical value of counting electricity consumption in the mode that the mechanical wheel tumbler advances, but the electricity consumption numerical value that this kind counting mode is counted out often has great difference with the power consumption of reality, it is because of being: when the user begins electricity consumption, voltage magnet 11 in the inner structure of AC ammeter 10 (as shown in Figure 1) can produce a magnetic field of moving, and induction drives metal rotary disk 12 rotations that are positioned at these voltage magnet 11 tops, and central shaft 13 rotations of these metal rotary disk 12 central authorities of interlock, again by the gear set 151 on the 14 turn counters 15 of the worm screw on this central shaft 13, and the rotating speed that makes this metal rotary disk 12 is conveyed into to this counter 15, is reached the function of progression counting and switching and display digit again by the plurality of pins train group in the counter 15; But in fact power consumption speed owing to the manufacturing tolerance of transmission component existence itself and the error of engagement ratio, is actual power consumption and make non-by the numeral that demonstrates through these counter 15 conversions through regular meeting after so many mechanical component transmission.

Fundamental purpose of the present utility model is: a kind of digital type AC ammeter is provided, directly the power consumption rate transition is become an electronics numerical digit signal by light-emitting component in the ammeter and Photosensing Units, and this electronics numerical digit signal inputed in the processing unit, make ammeter can show the power consumption of multiple different kenels, as the electricity consumption number of degrees or the electricity consumption amount of money etc.; The numerical digit signal of exporting via this ammeter, can provide as engaging with local-area network, and then transfer to again in the Utilities Electric Co. for it and know the electric degree numerical value of each electricity consumer, and need not to send someone to make a copy of the electricity consumption numerical value of every electricity consumer, exempt employing of meter reading personnel fully, impel electric cost more to be reduced.

A kind of digital type AC ammeter of the utility model is to comprise:

One engine housing, its appropriate position, inner space is provided with a voltage magnet;

One metal rotary disk is the top that is placed in this voltage magnet, and its plate face appropriate position is provided with a vertical perforations at least, and its central authorities are installed with a central shaft, and the bottom of this central shaft system is hubbed on this engine housing;

One light-emitting component, system is fixedly arranged on this engine housing, and just corresponding to the wherein plate face of this metal rotary disk, and and this metal rotary disk between have a suitable distance and not being in contact with one another, the light system that sent of its light emitted end is projeced on the rotation path of this vertical perforations again;

One Photosensing Units, also be fixedly arranged on this engine housing, and be positioned at another plate face of this metal rotary disk, and and this metal rotary disk between have a suitable distance and not being in contact with one another, its light receiving end is corresponding across this metal rotary disk with the light emitted end of this light-emitting component again;

One signal wire, wherein end system is arranged on the signal output part of this Photosensing Units, and the other end is connected with a conversion of signals display device;

One conversion of signals display device is to be fixedly arranged on this appropriate position, engine housing inner space, and it receives the light signal from this signal wire, and is changed and demonstrate the electric degree numerical value that consumes.

Wherein, this conversion of signals display device system comprises a digit count unit, an one single-chip microprocessing unit and a numerical digit display unit, and this digit count unary system is connected on this signal wire, to receive from the light signal of this Photosensing Units and to convert a numerical digit signal to again behind the decoding counting, deliver in this single-chip microprocessing unit, to convert the electric degree numerical value that ammeter uses to, have a Control Software in again in the memory body of this single-chip microprocessing unit, to control the treatment scheme that whole conversion of signals display device is carried out, this numerical digit display unit is connected on this single-chip microprocessing unit, receiving, and convert thereof into electric degree numerical value and show from this single-chip microprocessing unit signal.

Wherein, more connect one parallel on the single-chip microprocessing unit of this conversion of signals display device to the tandem converting unit, make this single-chip microprocessing unit when signal is reached display unit, this is parallel also can receive same signal and convert the tandem data to the tandem converting unit, to see through telecommunication network route or other data transmission network, deliver to the Data acquisition, terminating machine of Utilities Electric Co..

Wherein, connect in addition on the single-chip microprocessing unit of this conversion of signals display device and set out a keyboard, this keyboard can be connected when practicality on this single-chip microprocessing unit, this single-chip microprocessing unit is carried out various setting replacement (reset).

Wherein, this keyboard more is made as a keyswitch.

Wherein, this single-chip microprocessing unit more is made as general micro computer wafer.

Wherein, this display unit system is constituted with light-emittingdiode LED.

Wherein, this display unit system is constituted with liquid crystal LCD.

The utility model has the advantages that: can directly measure the power consumption that shows multiple different kenels, the data of surveying accurately directly perceived and the power consumption data can be reached Utilities Electric Co., need not to send again that the special messenger removes every household makes a copy of ammeter power consumption value, save manpower, reduced electric cost.

The utlity model has following accompanying drawing:

Fig. 1 is traditional motor meter view before.

Fig. 2 is a structural profile synoptic diagram within traditional motor meter.

Fig. 3 is one of diagrammatic cross-section of the utility model.

Fig. 4 be the utility model diagrammatic cross-section two.

Fig. 5 is the circuit block diagram of conversion of signals display device in the utility model.

Fig. 6 is the start process flow diagram of the utility model.

Number in the figure is as follows:

10. AC ammeter 10 '. engine housing

11. voltage magnet 12. metal rotary disk

13. central shaft 14. worm screws

15. counter 151. gear sets

20. metal rotary disk 21. perforation

21 '. 22. central shafts of boring a hole

30. light-emitting component 31. light emission ends

40. Photosensing Units 41. light receiving ends

42. signal output part 50. signal wires

60. conversion of signals display device 61. digit count unit

62. single-chip microprocessing unit 63. numerical digit display units

64. it is parallel to tandem converting unit 65. keyboards

Now lift preferred embodiment and conjunction with figs. is described as follows:

See also Fig. 3 and shown in Figure 4, a kind of digital type AC ammeter of the utility model, system comprises an engine housing 10 ', one metal rotary disk 20, one light-emitting component 30, one Photosensing Units 40, one signal wire 50 and a conversion of signals display device 60, wherein, the appropriate position, inner space of this engine housing 10 ' is provided with a voltage magnet 11, and this metal rotary disk 20 is placed in the top of this voltage magnet 11, its plate face appropriate position is provided with a vertical perforations 21, or more than one vertical perforations 21 ' (as shown in Figure 4), and its central authorities are installed with a central shaft 22, and the bottom of this central shaft 22 system is hubbed at this engine housing 10 ' upward (shown in imaginary line among Fig. 3), make this metal rotary disk 20 when the magnetic field induction that is subjected to voltage magnet 11 rotates, this central shaft 22 can be done synchronous rotation with metal rotary disk 20; This light-emitting component 30 and this Photosensing Units 40 all are fixedly arranged on this engine housing 10 ', and this light-emitting component 30 is just corresponding to the wherein plate face of this metal rotary disk 20, and and 20 of this metal rotary disk have a suitable distance and not being in contact with one another, the light system that its light emitted end 31 is sent is projeced on the path of rotation of this vertical perforations 21; This Photosensing Units 40 is another plate face that is positioned at this metal rotary disk 20, and and 20 of this metal rotary disk have a suitable distance and not being in contact with one another, its light receiving end 41 is then corresponding across this metal rotary disk 20 with the light emitted end 31 of this light-emitting component 30, the wherein end system of this signal wire 50 is arranged on the signal output part 42 of this Photosensing Units 40, its other end then is connected with this conversion of signals display device 60, this conversion of signals display device 60 is the appropriate position, inner space that is fixedly arranged on this engine housing 10 ', it receives the light signal from this signal wire 50, is changed and demonstrate the electric degree numerical value that consumes;

Again as shown in Figure 5, this conversion of signals display device 60 is to comprise a digit count unit 61, an one single-chip microprocessing unit 62 and a numerical digit display unit 63, wherein, this digit count unit 61 is to be connected on this signal wire 50, to convert a numerical digit signal from the light signal of this Photosensing Units 40 to again behind the decoding counting, deliver in this single-chip microprocessing unit 62, to convert the electric degree numerical value that ammeter uses to, and owing to have a Control Software in the memory body of this single-chip microprocessing unit 62, controlling the flow process that whole conversion of signals display device 60 is carried out, and above-mentioned control also can adopt general micro computer wafer to replace; This numerical digit display unit 63 is to be connected on this single-chip microprocessing unit 62, to receive from these single-chip microprocessing unit 62 signals, and the conversion of signals that is received become electric degree numerical value and shown, can learn the actual electrical number of degrees that consumed for the meter reading personnel of user or Utilities Electric Co..

See also shown in Figure 6, when the user begins electricity consumption, this metal rotary disk 20 promptly is subjected to the field drives of this voltage magnet 11 and rotates, this moment this light-emitting component 30 the light that sent of light emitted end 31, promptly can be incident upon on the plate face of this metal rotary disk 20 continuously, perforation 21 on these metal rotary disk 20 cards is gone to the position of this light-emitting component 30, the light that its light emitted end 31 is sent can penetrate the perforation 21 of this metal rotary disk 20, and the light receiving end 41 that order is positioned at this Photosensing Units 40 can receive light signal once, be rotated further and position that its perforation 21 is left this light-emitting component 30 in metal rotary disk 20, the light signal that this light-emitting component 30 is sent promptly is subjected to the blocking of the plate face of metal rotary disk 20, and make this Photosensing Units 40 no longer receive any light signal, anticipate when promptly this metal rotary disk 20 whenever turns around, this Photosensing Units 40 can receive light signal once, again in these metal rotary disk 20 continuous rotation processes, this Photosensing Units 40 can receive light signal continuously, and convert the signal of a digitisation to, export to synchronously again on this signal wire 50, by this signal wire 50 signal after the digitisation is conveyed in the digit count unit 61 of this conversion of signals display device 60 and begins counting, when the signal of progression arrives certain certain value, be resent on this single-chip microprocessing unit 62, and this single-chip microprocessing unit 62 converts the numerical value of progression to consumed electric degree numerical value, and transfer on this numerical digit display unit 63 to show, reach the conventional approaches that replaces physical construction with the method for electronics digit count, significantly reduce volume and the weight and the cost of ammeter, and this numerical digit display unit 63 can be that the mode for light-emittingdiode LED or liquid crystal LCD shows, the numeral that demonstrates with order is more accurately understandable, and then the difficult clear machinery of separating that dries in the air of replacement tradition is represented mode, make user's a glance can cheer and brightly learn the electricity consumption count value, again because the transmission of basic no any mechanical component in the process of whole transmission signals, enable to get rid of fully the error of bringing because of mechanical drive in traditional ammeter, impel the shown electric degree numerical value can be more accurate, increase confidence level.

The continuous Fig. 5 and shown in Figure 6 that sees also, in order to make Utilities Electric Co. exempt meter reading personnel's the cost of employing, and reach the target of the robotization of checking meter, be more on the single-chip microprocessing unit 62 of this conversion of signals display device 60, connect again one parallel to tandem converting unit 64, because the mode that this single-chip microprocessing unit 62 is parallel output is sent data, cause this single-chip microprocessing unit 62 when signal is reached numerical digit display unit 63, this is parallel also can receive same signal and convert the tandem data to tandem converting unit 64, see through telecommunication network route or other data transmission network again, reach on the Data acquisition, terminating machine (not shown) of Utilities Electric Co., can reach the automation function of checking meter; Moreover, can connect in addition on the single-chip microprocessing unit 62 of this conversion of signals display device 60 and set out a keyboard 65, so that can carry out various setting or replacement (reset) to this single-chip microprocessing unit 62, but in order to save the space, this keyboard 65 can be not attached on this single-chip microprocessing unit 62 when usual, treat just to connect up when the personnel of Utilities Electric Co. need 62 settings of this single-chip microprocessing unit, utilize the setting such as reset of 65 pairs of these single-chip microprocessing units 62 of this keyboard again, or numerical digit display unit 63 correlation function such as set, if and the ammeter required function is few, also can use the mode of keyswitch to replace this keyboard 65, for example use a reset switch etc.; Also can not use this keyboard 65 in the ammeter design, and remove the keyswitch of design fully according to actual demand again.

Claims

1, a kind of digital type AC ammeter, it is characterized in that: it is to comprise:

2, a kind of digital type AC ammeter according to claim 1, it is characterized in that: wherein, this conversion of signals display device system comprises a digit count unit, an one single-chip microprocessing unit and a numerical digit display unit, and this digit count unary system is connected on this signal wire, to receive from the light signal of this Photosensing Units and to convert a numerical digit signal to again behind the decoding counting, deliver in this single-chip microprocessing unit, to convert the electric degree numerical value that ammeter uses to, have a Control Software in again in the memory body of this single-chip microprocessing unit, to control the treatment scheme that whole conversion of signals display device is carried out, this numerical digit display unit is connected on this single-chip microprocessing unit, receiving, and convert thereof into electric degree numerical value and show from this single-chip microprocessing unit signal.

3, a kind of digital type AC ammeter according to claim 2, it is characterized in that: wherein, more connect one parallel on the single-chip microprocessing unit of this conversion of signals display device to the tandem converting unit, make this single-chip microprocessing unit when signal is reached display unit, this is parallel also can receive same signal and convert the tandem data to the tandem converting unit, to see through telecommunication network route or other data transmission network, deliver to the Data acquisition, terminating machine of Utilities Electric Co..

4, a kind of digital type AC ammeter according to claim 2, it is characterized in that: wherein, set out a keyboard in addition on the single-chip microprocessing unit of this conversion of signals display device, this keyboard can be connected when practicality on this single-chip microprocessing unit, this single-chip microprocessing unit is carried out various setting replacement (reset).

5, a kind of digital type AC ammeter according to claim 3, it is characterized in that: wherein, connect in addition on the single-chip microprocessing unit of this conversion of signals display device and set out a keyboard, this keyboard can be connected when practicality on this single-chip microprocessing unit, this single-chip microprocessing unit is carried out various setting replacement (reset).

6, a kind of digital type AC ammeter according to claim 2, it is characterized in that: wherein, this keyboard more is made as a keyswitch.

7, a kind of digital type AC ammeter according to claim 3, it is characterized in that: wherein, this keyboard more is made as a keyswitch.

8, a kind of digital type AC ammeter according to claim 2, it is characterized in that: wherein, this single-chip microprocessing unit more is made as general micro computer wafer.

9, a kind of digital type AC ammeter according to claim 2 is characterized in that: wherein, this display unit system is constituted with light-emittingdiode LED.

10, a kind of digital type AC ammeter according to claim 2 is characterized in that: wherein, this display unit system is constituted with liquid crystal LCD.