CN2557922Y - Electronic long distance transmitting meter - Google Patents
Electronic long distance transmitting meter Download PDFInfo
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- CN2557922Y CN2557922Y CN 02271635 CN02271635U CN2557922Y CN 2557922 Y CN2557922 Y CN 2557922Y CN 02271635 CN02271635 CN 02271635 CN 02271635 U CN02271635 U CN 02271635U CN 2557922 Y CN2557922 Y CN 2557922Y
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Abstract
Disclosed is an electronic remote transfer meter, relating to the electronic remote transfer measuring equipment, in particular to an electronic remote transfer meter for the water, electricity and gas. The meter comprises a meter body, magnetic material (1) arranged on a counting mechanism inside the meter body, and an active signaling device arranged on the position that can be matched with the magnetic material (1). The active signaling device comprises a sensor (2) , a signal processor (4) and a power supply converter (5); the output end of the sensor (2) is connected with the input end of the signal processor (4); the output end of the power supply converter (5) is connected with the input end of the power supply of the sensor (2) and the signal processor (4); and the output end of the signal processor (4) is connected with a signal line. The utility model has the following advantages: one output line is reduced, which makes the construction and line maintenance simple; the compatibility is good, and the collecting device that previously can only be connected with the passive pulse signaling remote transfer mete or other two input lines can be also used; and the pulse width of the pulse single is fixed and the pulse signal is stable with anti-interference function, which is easy for the collecting device to measure.
Description
Technical field
The utility model relates to the electronic long-distance transmission metering outfit, particularly electronic long-distance transmission water, electricity, gas table.
Background technology
The active sensor that the electronic long-distance transmission table adopts in the prior art mostly is Hall unit greatly, all is three-way and three-way above output, and basic lead-in wire is power input, signal output part, earth terminal.There is obvious defects in this mode: cause site operation, line upkeep complexity, also taken collecting device outer signal terminal, limited acquisition system capacity, waste resource, manufacturing cost, operation cost height; Signal output is unstable, and pulsewidth is directly determined by flow velocity.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned weak point that the electronic long-distance transmission that a kind of compatibility is good, pulse signal is stable table is provided.
The purpose of this utility model can realize like this, designs a kind of electronic long-distance transmission table, comprises the table body, is arranged on the magnetic material in this in-vivo counting of table mechanism and is arranged on the active signal transmitter that can match with this magnetic material and locate; Described active signal transmitter comprises sensor, also comprise signal processor and power supply changeover device, the output terminal of sensor links to each other with the input end of signal processor, the output terminal of power supply changeover device is connected with the power input of sensor and signal processor, and the output terminal of signal processor is connected with signal wire.
The utility model compared with prior art has the following advantages: output line reduces one, makes site operation, line upkeep simple, and manufacturing cost and operation cost reduce greatly; Compatible good, formerly can only insert the remote installed meter of passive pulse sender or the collecting device of other two line input also can compatiblely use; The pulsewidth of pulse signal is fixed, signal stabilization, and is anti-interference, is convenient to the collecting device metering.
Description of drawings
Fig. 1 is a logic block-diagram of the present utility model.
Fig. 2 is the circuit diagram of one of the utility model embodiment.
Fig. 3 is two the circuit diagram of the utility model embodiment.
Embodiment
The utility model will be further described below in conjunction with embodiment.
A kind of electronic long-distance transmission table comprises the table body, is arranged on the magnetic material 1 in this in-vivo counting of table mechanism and is arranged on the active signal transmitter that can match with this magnetic material 1 and locate; Described active signal transmitter comprises sensor 2, also comprise signal processor 4 and power supply changeover device 5, the output terminal of sensor 2 links to each other with the input end of signal processor 4, the output terminal of power supply changeover device 5 is connected with the power input of sensor 2 with signal processor 4, and the output terminal of signal processor 4 is connected with signal wire.
Described power supply changeover device 5 comprises diode, energy-storage travelling wave tube and voltage stabilizer, is that main element constitutes the input end that additional power circuit is connected voltage stabilizer with described diode and energy-storage travelling wave tube.
Described signal processor 4 comprises resistance, electric capacity, triode, and described electric capacity and resistance are formed integrating circuit, and forms the fixed pulse width output circuit with triode.
Energy-storage travelling wave tube has various ways to select for use, and described energy-storage travelling wave tube is electrochemical capacitor C1, or described energy-storage travelling wave tube is a rechargeable battery.
Described signal processor 4 also comprises reverser U3, and resistance and electric capacity are formed integration, differentiating circuit.The quantity of reverser 4 is one or more, and the quantity of reverser is 4 in the present embodiment.Integrating circuit can be located at the front of differentiating circuit, also can be located at the back of differentiating circuit.
Described sensor 2 is Hall element U2 or tongue tube.Sensor 2 because of with magnetic material 1 corresponding cooperation, so sensor 2 is a magneto sensor, can be elements such as Hall element, tongue tube.
The input of power supply and signal are exported shared a pair of line.Reduce by an output line, make site operation, line upkeep simple, manufacturing cost and operation cost reduce greatly.
As shown in Figure 2, the reverse input end of diode D1 is connected the power input of voltage stabilizer U1, and an end of electrochemical capacitor C1 and capacitor C 4 is connected other end ground connection with the power input of voltage stabilizer U1; The output terminal of voltage stabilizer U1 is connected with capacitor C 5, C3, the other end ground connection of capacitor C 5, C3, and the power output end of voltage stabilizer U1 also is connected with the power input of Hall unit U2 and an end of resistance R 1; The earth terminal ground connection of voltage stabilizer; The earth terminal ground connection of Hall unit U2, the signal output part of Hall unit U2 links to each other with the other end of resistance R 1 and an end of capacitor C 2, the other end of capacitor C 2 is connected with resistance R 2, the other end of resistance R 2 is connected to the base stage of triode Q1, the grounded collector of triode Q1, the emitter of triode Q1 is connected the positive input of diode, and resistance R 3 is arranged between base stage and the emitter; Two heart yearns, signal wire is connected with the positive input of diode, and is ground wire grounded.
As shown in Figure 3, the reverse input end of diode D1 is connected the power input of voltage stabilizer U1, and an end of electrochemical capacitor C1 and capacitor C 4 is connected other end ground connection with the power input of voltage stabilizer U1; The power output end of voltage stabilizer U1 is connected with capacitor C 5, C3, the other end ground connection of capacitor C 5, C3, and the power output end of voltage stabilizer U1 also is connected with the power input of Hall unit U2 and the end of resistance R 1, R3; The earth terminal ground connection of voltage stabilizer; The earth terminal ground connection of Hall unit U2, the signal output part of Hall unit U2 links to each other with the other end of resistance R 1 and the input end of reverser U3F, the output terminal of reverser U3F is connected the input end of reverser U3E through resistance R 2, the input end of reverser U3E is connected with capacitor C 6, the other end ground connection of capacitor C 1, the output terminal of reverser U3E is connected with capacitor C 2, the other end of capacitor C 2 inserts the input end of reverser U3D, this input end also is connected with the other end of resistance R 3, the output terminal of reverser U3D is connected to the base stage of triode Q1 through resistance R 4, the grounded emitter of triode Q1, the collector of triode Q1 is connected the positive input of diode; Two heart yearns, signal wire is connected with the positive input of diode, and is ground wire grounded.
Triode recited above can adopt PNP or NPN type, and both can exchange; When adopting positive-negative-positive, be connected a resistance between base stage and the emitter.
As shown in Figure 3, dotted portion is a collecting unit part (not in remote installed meter) among the figure, and remote installed meter two heart yearns are output as signal DATA and ground GND.Diode D1, electrochemical capacitor C1, capacitor C 4, capacitor C 5, capacitor C 3, stabilivolt U1 form power converting circuit, when triode Q1 ends, collecting unit charges to saturated for capacitor C 1 by the DATA signal wire, when triode Q1 conducting, diode D1 oppositely ends, and power unit is kept by capacitor C 1.The conducting of triode Q1 and by depending on Hall unit U2 and post processing electric circuit, as magnet steel 1 close Hall unit U2, Hall unit U2 conducting output step-down level, through reverser U3, resistance R 2, capacitor C 6, capacitor C 2, after the integration of resistance R 3 and differential are handled, high level pulse signal about the 8 pin output 250ms of reverser U3, pulsewidth is by resistance R 2, capacitor C 6, capacitor C 2, the resistance of resistance R 3 or amount of capacity decision, the also corresponding conducting 250ms left and right sides time of triode Q1, be the low level pulse signal output that signal wire and ground wire maintain a 250ms, thereby reach the active pulse sender of two-wire system.
Claims (10)
1, a kind of electronic long-distance transmission table comprises the table body, is arranged on the magnetic material (1) in this in-vivo counting of table mechanism and is arranged on the active signal transmitter that can match with this magnetic material (1) and locate; Described active signal transmitter comprises sensor (2), it is characterized in that: also comprise signal processor (4) and power supply changeover device (5), the output terminal of sensor (2) links to each other with the input end of signal processor (4), the output terminal of power supply changeover device (5) is connected with the power input of sensor (2) with signal processor (4), and the output terminal of signal processor (4) is connected with signal wire.
2, electronic long-distance transmission table according to claim 1, it is characterized in that: described power supply changeover device (5) comprises diode, energy-storage travelling wave tube and voltage stabilizer, is that main element constitutes the input end that additional power circuit is connected voltage stabilizer with described diode and energy-storage travelling wave tube.
3, electronic long-distance transmission table according to claim 1 is characterized in that: described signal processor (4) comprises resistance, electric capacity, triode, and described electric capacity and resistance are formed integrating circuit, and forms the fixed pulse width output circuit with triode.
4, electronic long-distance transmission table according to claim 2 is characterized in that: described energy-storage travelling wave tube is electrochemical capacitor C1.
5, electronic long-distance transmission table according to claim 2 is characterized in that: described energy-storage travelling wave tube is a rechargeable battery.
6, electronic long-distance transmission table according to claim 3 is characterized in that: described signal processor (4) also comprises reverser U3, and resistance and electric capacity are formed integration, differentiating circuit.
7, electronic long-distance transmission table according to claim 1 is characterized in that: described sensor (2) is Hall element U2 or tongue tube.
8, according to claim 2 or 3 described electronic long-distance transmission tables, it is characterized in that: the reverse input end of diode D1 is connected the power input of voltage stabilizer U1, and an end of electrochemical capacitor C1 and capacitor C 4 is connected other end ground connection with the power input of voltage stabilizer U1; The output terminal of voltage stabilizer U1 is connected with capacitor C 5, C3, the other end ground connection of capacitor C 5, C3, and the power output end of voltage stabilizer U1 also is connected with the power input of Hall unit U2 and an end of resistance R 1; The earth terminal ground connection of voltage stabilizer; The earth terminal ground connection of Hall unit U2, the signal output part of Hall unit U2 links to each other with the other end of resistance R 1 and an end of capacitor C 2, the other end of capacitor C 2 is connected with resistance R 2, the other end of resistance R 2 is connected to the base stage of triode Q1, the grounded collector of triode Q1, the emitter of triode Q1 is connected the positive input of diode, and resistance R 3 is arranged between base stage and the emitter; Two heart yearns, signal wire is connected with the positive input of diode, and is ground wire grounded.
9, electronic long-distance transmission table according to claim 6, it is characterized in that: the reverse input end of diode D1 is connected the power input of voltage stabilizer U1, and an end of electrochemical capacitor C1 and capacitor C 4 is connected other end ground connection with the power input of voltage stabilizer U1; The power output end of voltage stabilizer U1 is connected with capacitor C 5, C3, the other end ground connection of capacitor C 5, C3, and the power output end of voltage stabilizer U1 also is connected with the power input of Hall unit U2 and the end of resistance R 1, R3; The earth terminal ground connection of voltage stabilizer; The earth terminal ground connection of Hall unit U2, the signal output part of Hall unit U2 links to each other with the other end of resistance R 1 and the input end of reverser U3F, the output terminal of reverser U3F is connected the input end of reverser U3E through resistance R 2, the input end of reverser U3E is connected with capacitor C 6, the other end ground connection of capacitor C 1, the output terminal of reverser U3E is connected with capacitor C 2, the other end of capacitor C 2 inserts the input end of reverser U3D, this input end also is connected with the other end of resistance R 3, the output terminal of reverser U3D is connected to the base stage of triode Q1 through resistance R 4, the grounded emitter of triode Q1, the collector of triode Q1 is connected the positive input of diode; Two heart yearns, signal wire is connected with the positive input of diode, and is ground wire grounded.
10, according to claim 2,3 or 6 described electronic long-distance transmission tables, it is characterized in that: the input of power supply and signal are exported shared a pair of line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271635 CN2557922Y (en) | 2002-07-08 | 2002-07-08 | Electronic long distance transmitting meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271635 CN2557922Y (en) | 2002-07-08 | 2002-07-08 | Electronic long distance transmitting meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557922Y true CN2557922Y (en) | 2003-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02271635 Expired - Fee Related CN2557922Y (en) | 2002-07-08 | 2002-07-08 | Electronic long distance transmitting meter |
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| Country | Link |
|---|---|
| CN (1) | CN2557922Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837737A (en) * | 2012-11-27 | 2014-06-04 | 国际商业机器公司 | Method and device for measuring energy consumption of electronic equipment |
-
2002
- 2002-07-08 CN CN 02271635 patent/CN2557922Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837737A (en) * | 2012-11-27 | 2014-06-04 | 国际商业机器公司 | Method and device for measuring energy consumption of electronic equipment |
| CN103837737B (en) * | 2012-11-27 | 2016-12-21 | 国际商业机器公司 | The method and apparatus measuring the energy expenditure of electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030625 Termination date: 20100708 |