CN201503274U

CN201503274U - Device for realizing sending of forward and reverse metering signals by one or more magnetoelectric sensors

Info

Publication number: CN201503274U
Application number: CN200920087063XU
Authority: CN
Inventors: 汪涛
Original assignee: WUHAN DAYANG AUTOMATIC INSTRUMENT CO Ltd
Current assignee: WUHAN DAYANG AUTOMATIC INSTRUMENT CO Ltd
Priority date: 2009-07-01
Filing date: 2009-07-01
Publication date: 2010-06-09
Anticipated expiration: 2019-07-01

Abstract

The utility model relates to a device for realizing the sending of forward and reverse metering signals by one or more magnetoelectric sensors. A long pointer is additionally arranged on a center gear of an instrument. A magnet is additionally arranged at a tail end of the long pointer. Circuit boards respectively provided with one or more magnetoelectric sensors are fixed in a cavity. The cavity is arranged in a shell. A control circuit consists of a power switch S1, an interface J1, a stabilized voltage chip U1 (7533), the magnetoelectric sensors Q1, Q2 and Q3 (MRSS23E) and the like. The utility model realizes the control of electrical signals sent by the magnetoelectric sensors by the action of the magnet, and has wide application range and stable and reliable working. The sensors are separated from the instrument and can be disassembled at any time, thus, the later maintenance is convenient, the service life of electronic equipment is long, and the normal use of the instrument is not influenced. The device also can be made into a totally-enclosed structure and has strong waterproof capacity, moistureproof capacity, heat-insulating capacity and capacity of adapting to the environment.

Description

Realize the device that forward and reverse metering signal send by one or more magnetoelectric transducers

Technical field

The utility model relates to a kind of instrument that can realize that forward and reverse metering signal send.

Background technology

Magnetoelectric transducer is a kind of magneto-resistor reaction principle of utilizing, ferromagnetism emtal alloy film evaporation at the magnetic switch device on the IC circuit, it has high sensitivity and stable magnetic field induction characteristic, littler than common mechanical volume of switch, sample rate height, long working life, compare with other electronic switches, it has the characteristics of anti-load shock ability again, and functional reliability is very high.

Originally instrument must insert three break-make equipment in the automation equipment access procedure, judges its positive and negative motion state.

Summary of the invention

The purpose of this utility model is at above-mentioned present situation, aim to provide a kind of motion state of instrument and the continuous data mode with electric signal can being reflected, stable and reliable operation realizes forwards and the reverse device that sends of metering signal by one or more magnetoelectric transducers.

The implementation of the utility model purpose is, realize the device that forward and reverse metering signal send by one or more magnetoelectric transducers, on the central gear of instrument, install Long pointer additional, tail end at Long pointer installs magnet additional, to be equipped with one respectively, the circuit board of two or three magnetoelectric transducers is fixed in the cavity, cavity is contained in the housing, 2 pin of the external power supply switch S 1 of circuit board link to each other with 2 pin of voltage stabilizing chip U1,3 pin of voltage stabilizing chip U1 are by resistance R 1, R2, R3 respectively with magnetoelectric transducer Q1, Q2,3 pin of Q3 link to each other, Q1, Q2,1 pin of Q3 is by filter capacitor C1, C2, C3 respectively with 1 of interface JI, 2,3 pin link to each other.

The utility model is by the action of magnet, and magnetoelectric transducer is responded to, and the motion state and the continuous data of instrument come out state response in the mode of electric signal.

The utility model adopts the structure of instrument is made amendment, action by magnet realizes control to the electric signal that magnetoelectric transducer sends, magnetoelectric transducer can realize being no less than the signal output of three kinds of metering instrument units, widely applicable, also improved the stability and the long-term reliability of telltale greatly; The design of sensor and instrument separate type can be dismantled at any time, later period maintenance and easy to maintenance, and can guarantee serviceable life of electronic equipment does not influence the normal use of instrument as a kind of mechanical measuring apparatus; And structural separation, can make totally enclosed structure fully, waterproof, protection against the tide, insulation, heat insulation can strengthen the ability that conforms of equipment greatly.

The utility model is applicable to remote transmission instrument, IC-card instrument, GSM, the big table of GPRS etc., and it and diversified automation equipment or device achieve a butt joint, and have ensured the needs to the metering appliance information management.

Description of drawings

Fig. 1 is the utility model electrical schematic diagram,

Fig. 2 installs the utility model structural representation of adorning three magnetoelectric transducers on magnet, the stationary housing additional on the instrument Long pointer,

Fig. 3 a, b, c are the counting principle figure that adorns a magnetoelectric transducer on the stationary housing,

Fig. 4 a, b, c, d are the fundamental diagrams of realizing the dispensing device of forward metering signal by two magnetoelectric transducers,

Fig. 5 a, b, c, d, e are the fundamental diagrams of realizing the dispensing device of forward metering signal by two magnetoelectric transducers,

Fig. 6 a, b, c, d, e are the fundamental diagrams of realizing the dispensing device of forward metering and reverse metering signal by three magnetoelectric transducers.

Embodiment

With reference to Fig. 1, control circuit of the present utility model is made up of power switch S1, interface J1, voltage stabilizing chip U1 (7533), magnetoelectric transducer Q1, Q2, Q3 (MRSS23E) etc.2 pin of the external power supply switch S 1 of circuit board link to each other with 2 pin of voltage stabilizing chip U1,3 pin of voltage stabilizing chip U1 link to each other with 3 pin of triode Q1, Q2, Q3 respectively by resistance R 1, R2, R3, and 1 pin of Q1, Q2, Q3 links to each other with 1,2,3 pin of interface JI respectively by filter capacitor C1, C2, C3.

During work, power switch S1 closure, when Long pointer magnet that tail end is adorned, or little finger of toe pin magnet is during through Q1, Q2, Q3, and Q1, Q2, Q3 can export an electric signal respectively and give the J1 mouth, carry out data processing at last.

With reference to Fig. 2, on the central gear of instrument, install Long pointer 1 additional, tail end at Long pointer installs magnet 2 additional, motion by the instrument Long pointer, with fixed housing of instrument matching design, on stationary housing 3, adorn three magnetoelectric transducer Q1, Q2, Q3, realize the output of signal by three magnetoelectric transducers.

With reference to Fig. 3 a, b, c, on the central gear of instrument, install Long pointer 1 additional, install magnet 2 additional at the tail end of Long pointer, on stationary housing 3, adorn three magnetoelectric transducer Q1, Q2, Q3, realize the transmission of forward metering signal by a magnetoelectric transducer.

Long pointer 1 setting in motion, (Fig. 3 is a) time not enter the induction region of magnetoelectric transducer, the Q1 magnetoelectric transducer is in off-state, when the magnet 2 of Long pointer enters into the induction region (Fig. 3 b) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produces closed pulse signal output, after the magnet 2 of Long pointer left the induction region (Fig. 3 c) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer returned to off-state.So promptly expression is finished one is just changeed the count cycle.With reference to Fig. 4 a, b, c, d, on stationary housing 3, adorn two magnetoelectric transducer Q1, Q2, realize the transmission of forward metering signal by two magnetoelectric transducers.

When Long pointer 1 setting in motion, do not enter the induction region of magnetoelectric transducer, Q1, Q2 magnetoelectric transducer all are in off-state, (Fig. 4 is a) time when the magnet 2 of Long pointer enters into the induction region of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produces closed pulse signal output, after the magnet 2 of Long pointer left the induction region (Fig. 4 d) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer returned to off-state.Long pointer rotates and enters into Q2 magnetoelectric transducer induction region (Fig. 4 b, c), and the Q2 magnetoelectric transducer produces closed pulse signal output.Long pointer leaves Q2 magnetoelectric transducer induction region, and the Q2 magnetoelectric transducer returns to off-state.So promptly expression is finished one is just changeed the count cycle.

With reference to Fig. 5 a, b, c, d, e, on stationary housing 3, adorn two magnetoelectric transducer Q1, Q2, realize forward metering signal and the oppositely transmission of metering signal by two magnetoelectric transducers.Instrument begins forward metering, and during Long pointer 1 setting in motion, (Fig. 5 a), two magnetoelectric transducers all belong to normally open not enter the adhesive zone of magnetoelectric transducer.When the magnet of Long pointer enters into the adhesive zone (Fig. 5 b) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produces the make pulse signal, leave the adhesive zone of Q1 magnetoelectric transducer when magnet 2 motions of Long pointer, when entering the zone (Fig. 5 c) of two magnetoelectric transducer common sense, two magnetoelectric transducers produce the pulse signal of adhesive simultaneously, when the magnet of Long pointer enters into the adhesive zone (Fig. 5 d) of Q2 magnetoelectric transducer, the Q2 magnetoelectric transducer produces the make pulse signal, the Q1 magnetoelectric transducer has the pulse signal of disconnection, the magnet of Long pointer leaves the adhesive zone of Q2 magnetoelectric transducer, Q1, the Q2 magnetoelectric transducer all returns to normally open.So promptly expression is finished one is just changeed the count cycle.

Instrument begins reverse metering, during the Long pointer setting in motion, the magnet 2 of Long pointer does not enter the adhesive zone (Fig. 5 e) of two magnetoelectric transducers, two magnetoelectric transducers belong to normally open, when the magnet 2 of Long pointer enters into the induction region (Fig. 5 d) of Q2 magnetoelectric transducer, the Q2 magnetoelectric transducer produces the make pulse signal, and the Q1 magnetoelectric transducer has the pulse signal of disconnection.When the magnet of the big pointer in center entered the common induction region (Fig. 5 c) of two magnetoelectric transducers, Q1, Q2 produced the adhesive pulse signal simultaneously.When the magnet of the big pointer in center enters the induction region of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produces the make pulse signal, and the Q2 magnetoelectric transducer has the pulse signal of disconnection.Leave the induction region (Fig. 5 b) of Q1 magnetoelectric transducer when the magnet of the big pointer in center, the Q1 magnetoelectric transducer has the pulse signal of disconnection, the magnet of Long pointer leaves the adhesive zone of Q1 magnetoelectric transducer, and (Fig. 5 a), Q1, Q2 magnetoelectric transducer all return to normally open.A counter-rotating count cycle is finished in expression so promptly.

With reference to accompanying drawing 6a, b, c, d, e, on stationary housing 3, adorn three magnetoelectric transducer Q1, Q2, Q3, realize forward and the oppositely output of metering signal by three magnetoelectric transducers.

The metering of the forward of instrument, during Long pointer 1 setting in motion, (Fig. 6 a), three magnetoelectric transducers all belong to normally open not enter the induction region of magnetoelectric transducer.When the magnet 2 of Long pointer entered into the induction region (Fig. 6 b) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produced the output of make pulse signal.Leave the induction region of Q1 magnetoelectric transducer when the magnet 2 of Long pointer, when entering Q2 magnetoelectric transducer induction region (Fig. 6 c), the Q2 magnetoelectric transducer produces the output of make pulse signal, leave the induction region of Q2 magnetoelectric transducer when the magnet 2 of Long pointer, when entering into the induction region (Fig. 6 d) of Q3 magnetoelectric transducer, the Q3 magnetoelectric transducer produces the output of make pulse signal, and so promptly expression is finished one is just changeed the count cycle.

The reverse metering of instrument during the Long pointer setting in motion, does not enter the induction region (Fig. 6 e) of magnetoelectric transducer, and three magnetoelectric transducers all belong to normally open.When the magnet 2 of Long pointer entered into the induction region (Fig. 6 d) of Q3 magnetoelectric transducer, the Q3 magnetoelectric transducer produced the output of make pulse signal.Leave the induction region of Q3 magnetoelectric transducer when the magnet 2 of Long pointer, when entering Q2 magnetoelectric transducer induction region (Fig. 6 c), the Q2 magnetoelectric transducer produces the output of make pulse signal, leave the induction region of Q2 magnetoelectric transducer when the magnet 2 of Long pointer, when entering into the induction region (Fig. 6 b) of Q1 magnetoelectric transducer, the Q1 magnetoelectric transducer produces the output of make pulse signal, and a counter-rotating count cycle is finished in expression so promptly.

Claims

1. realize the device that forward and reverse metering signal send by one or more magnetoelectric transducers, it is characterized in that on the central gear of instrument, installing Long pointer additional, tail end at Long pointer installs magnet additional, to be equipped with one respectively, the circuit board of two or three magnetoelectric transducers is fixed in the cavity, cavity is contained in the housing, 2 pin of the external power supply switch S 1 of circuit board link to each other with 2 pin of voltage stabilizing chip U1,3 pin of voltage stabilizing chip U1 are by resistance R 1, R2, R3 respectively with magnetoelectric transducer Q1, Q2,3 pin of Q3 link to each other, Q1, Q2,1 pin of Q3 is by filter capacitor C1, C2, C3 respectively with 1 of interface JI, 2,3 pin link to each other.