CN205945504U

CN205945504U - Visit pipe power saving circuit

Info

Publication number: CN205945504U
Application number: CN201620839375.1U
Authority: CN
Inventors: 吴岚; 邓科
Original assignee: BEIJING LIUHE GREATNESS TECHNOLOGY Co Ltd
Current assignee: Shangqiu Rui control instrument and Instrument Co., Ltd.
Priority date: 2016-08-04
Filing date: 2016-08-04
Publication date: 2017-02-08
Anticipated expiration: 2026-08-04

Abstract

The utility model provides a visit pipe power saving circuit, include: transformer, the sharp formula circuit of turning over, SHDN make ability module, singlechip, detection pulse module, detecting pulse module's input and connecting the pulser, its output is connected the input of singlechip, the output of singlechip is connected SHDN makes the input of ability module, SHDN makes the output of ability module connect turn over and swash the input of formula circuit, the output that swashs the formula circuit of turning over passes through the MOS union coupling the input of transformer, the messenger that SHDN made the ability module connect the power supply of directional sensing ware can hold, the power end of directional sensing ware is connected to the transformer. The utility model discloses make the power supply of directional sensing ware be the intermittent type power supply, after gathering valid data, the power supply is drawn lowly, and the energy saving probably calculates according to the duty cycle, can practice thrift the electric quantity more than 50%.

Description

Inserting tube power-saving circuit

Technical field

This utility model is related to down-hole detecting devices technical field, particularly to a kind of inserting tube power-saving circuit.

Background technology

Now, use logger in the geologic prospect drilling process such as the such as hydrology, engineering, coalfield, metallic ore more, this Logger comprises log well main frame and well logging inserting tube two parts, in well logging, by well logging inserting tube in subsurface investigation, collection letter Number, then by well logging main frame display signal data, translate into required first-hand geologic information, carry out subsequently further according to gained data Drilling well work, therefore logger plays the effect of key in whole prospecting drilling process.At present, the most of well logging of China Instrument is all that well logging inserting tube is gone into the well and is acquired signal, and using uninterrupted power supply, its power consumption is big, not energy-conserving and environment-protective.

If China Patent Publication No. is the utility model patent of CN 105604539 A, disclose a kind of Multi-parameter Combined Tool and survey Exploratory shaft sinking pipe, but the well logging inserting tube of this utility model adopts uninterrupted power supply, its power consumption is big, not energy-conserving and environment-protective.

Utility model content

The purpose of this utility model is intended at least solve one of described technological deficiency.

For this reason, the purpose of this utility model is to propose a kind of inserting tube power-saving circuit, using intermittent power supply, energy saving.

To achieve these goals, this utility model provides a kind of inserting tube power-saving circuit, including：Transformator, inverse-excitation type electricity Road, SHDN enable module, single-chip microcomputer, detection pulse module；

The input of described detection pulse module connects pulser, and its outfan connects the input of described single-chip microcomputer, institute The outfan stating single-chip microcomputer connects the input that described SHDN enables module, and the outfan connection that described SHDN enables module is described The input of reverse excitation circuit, the outfan of described reverse excitation circuit connects the input of described transformator by metal-oxide-semiconductor；

Described SHDN enables module and connects the Enable Pin that orientation sensor is powered；

Described transformator connects the power end of orientation sensor.

Further, described reverse excitation circuit include inverse-excitation type chip, the first stabilivolt, first resistor, second resistance, One to the 3rd electric capacity, one end of input termination the first electric capacity of described inverse-excitation type chip, one end of first resistor, the first stabilivolt Negative electrode and all connect+28V voltage, its outfan connects transformator by metal-oxide-semiconductor, its power supply terminate the 3rd electric capacity one end, it connects Ground terminal be grounded, one end of another termination second electric capacity of described first electric capacity, the other end of first resistor, the one of second resistance End, the other end of another termination second resistance of described second electric capacity and being all grounded, the anode of described first stabilivolt meets+28V Voltage.

Further, the grid of described metal-oxide-semiconductor connects the outfan of described reverse excitation circuit, and its drain electrode connects the input of transformator End, its source electrode connects two parallel connections and the resistance of other end ground connection, and the grid of described metal-oxide-semiconductor and source electrode connect feedback resistance two respectively End, the grid of described metal-oxide-semiconductor also connects the electric capacity of an other end ground connection.

Further, each outfan of described transformator all connects a stabilivolt, the outfan of each described stabilivolt Capacitance connection all with multiple other ends ground connection.

Further, described transformator adopts high temperature energy-storage transformator.

This utility model passes through circuits improvement, using reverse excitation circuit, reduces circuit components, also increases algorithm switch (metal-oxide-semiconductor) circuit control function, then goes operational control algorithm to switch by single-chip microcomputer, and realizes power supply according to algorithm switch, Read orientation sensor data front opening power, send orientation sensor data after close power supply so that circuit and Control matches, and jointly completes this function.It is intermittent power supply that this utility model makes the power supply of orientation sensor, is collecting After valid data, power supply drags down, and energy saving probably calculates according to dutycycle, can save more than 50% electricity.

Employing inverse-excitation type chip collocation high temperature energy-storage transformator of the present utility model and the design of metal-oxide-semiconductor, efficiency under high temperature Ratio up to 85%, a road input 28V, two-way exports positive and negative 9V, has reached integrated level height, power saving space-efficient effect.This practicality New structure is simple, low cost of manufacture, is easy to large-scale production and sells.

The aspect that this utility model adds and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or recognized by practice of the present utility model.

Brief description

Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below Become obvious and easy to understand, wherein：

Fig. 1 is structured flowchart of the present utility model；

Fig. 2 is the circuit theory diagrams of reverse excitation circuit of the present utility model；

Fig. 3 is workflow diagram of the present utility model；

Fig. 4 is waveform testing figure of the present utility model.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model Restriction.

A kind of this utility model inserting tube power-saving circuit of offer, refer to the attached drawing 1, including：Transformator 6, reverse excitation circuit 5, SHDN enables module 4, single-chip microcomputer 3, detection pulse module 2；

The input of detection pulse module 2 connects pulser 1, and its outfan connects the input of single-chip microcomputer 3, single-chip microcomputer 3 Outfan connect SHDN enable module 4 input, SHDN enable module 4 outfan connect reverse excitation circuit 5 input End, the outfan of reverse excitation circuit 5 passes through the input of metal-oxide-semiconductor connection transformer 6；

SHDN enables the Enable Pin that module 4 connects orientation sensor 7 power supply；

Transformator 6 connects the power end of orientation sensor 7.

Transformator of the present utility model preferably employs high temperature energy-storage transformator.

Below reverse excitation circuit is specifically described, as shown in Figure 2：

Reverse excitation circuit 5 include inverse-excitation type chip U16, the first stabilivolt D1, first resistor R54, second resistance R41, One to the 3rd electric capacity (C65, C64, C42), one end of input termination the first electric capacity C65 of inverse-excitation type chip U16, first resistor One end of R54, the negative electrode of the first stabilivolt D1 and all connect+28V voltage, its outfan meets transformator T1 by metal-oxide-semiconductor Q1, its electricity Source connects one end of the 3rd electric capacity C42, and its earth terminal is grounded, one end of another termination the second electric capacity C64 of the first electric capacity C65, The other end of first resistor R54, one end of second resistance R41, another termination second resistance R41 of the second electric capacity C64 another Hold and be all grounded, the anode of the first stabilivolt D1 connects+28V voltage.

Wherein, the grid of metal-oxide-semiconductor Q1 connects the outfan of reverse excitation circuit, and its drain electrode connects the input of transformator T1, its source Pole connects two parallel connections and the resistance (R49, R50) of other end ground connection, the reversed feed R51 resistance respectively of the grid of metal-oxide-semiconductor Q1 and source electrode Two ends, the grid of metal-oxide-semiconductor Q1 also meets the electric capacity C65 of an other end ground connection.

Additionally, each outfan of transformator T1 all connects a stabilivolt (D17, D16), the outfan of each stabilivolt With the capacitance connection of multiple other ends ground connection, in Fig. 2, two outfans of transformator T1 meet stabilivolt D17, stabilivolt D16 respectively, Stabilivolt D17 (or stabilivolt D16) outfan meets electric capacity C67, C68, C58 (or electric capacity C60 of 3 other ends ground connection respectively C62).

Fig. 3 is workflow diagram of the present utility model.

Operation principle：When data is issued inserting tube by orientation sensor, SHDN enables the data that module reads orientation sensor, Then the data transfer of reading is processed to single-chip microcomputer by SHDN enable module and is stored, single-chip microcomputer by referred to as read cycle Control the break-make of MOS by reverse excitation circuit, and then control transformator to give to sensor power, open orientation sensor, knot Bundle park mode；After data is issued inserting tube by orientation sensor, single-chip microcomputer passes through to detect that pulse module controls pulse by data Send, referred to as send the cycle, Single-chip Controlling controls the break-make of MOS, control transformator to disconnect the power supply of orientation sensor, Close orientation sensor, enter park mode, realize to orientation sensor intermittent power supply, energy saving.

Fig. 4 is waveform testing figure of the present utility model.

The waveform of label 2 is the Enable Pin that orientation sensor is powered as shown in Figure 4, and high level opens power supply, and low level is closed Close power supply it can be seen that power supply is intermittent power supply, after collecting valid data, power supply drags down, energy saving, according to accounting for The general calculating of empty ratio, can save more than 50% electricity.

Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, change, replace and Modification.Scope of the present utility model is limited by claims are extremely equivalent.

Claims

1. a kind of inserting tube power-saving circuit is it is characterised in that include：Transformator, reverse excitation circuit, SHDN enable module, single-chip microcomputer, Detection pulse module；

The input of described detection pulse module connects pulser, and its outfan connects the input of described single-chip microcomputer, described list The outfan of piece machine connects the input that described SHDN enables module, and the outfan that described SHDN enables module connects described flyback The input of formula circuit, the outfan of described reverse excitation circuit connects the input of described transformator by metal-oxide-semiconductor；

Described transformator connects the power end of orientation sensor.

2. inserting tube power-saving circuit as claimed in claim 1 it is characterised in that：Described reverse excitation circuit include inverse-excitation type chip, First stabilivolt, first resistor, second resistance, the first to the 3rd electric capacity, the input of described inverse-excitation type chip terminates the first electric capacity One end, one end of first resistor, the negative electrode of the first stabilivolt and all connect+28V voltage, its outfan connects transformation by metal-oxide-semiconductor Device, its power supply terminates one end of the 3rd electric capacity, and its earth terminal is grounded, and the one of another termination second electric capacity of described first electric capacity End, the other end of first resistor, one end of second resistance, the other end of another termination second resistance of described second electric capacity and all Ground connection, the anode of described first stabilivolt connects+28V voltage.

3. inserting tube power-saving circuit as claimed in claim 1 or 2 it is characterised in that：The grid of described metal-oxide-semiconductor connects described inverse-excitation type The outfan of circuit, its drain electrode connects the input of transformator, and its source electrode connects two parallel connections and the resistance of other end ground connection, described The grid of metal-oxide-semiconductor and source electrode connect feedback resistance two ends respectively, and the grid of described metal-oxide-semiconductor also connects the electric capacity of an other end ground connection.

4. inserting tube power-saving circuit as claimed in claim 1 it is characterised in that：Each outfan of described transformator all connects one Stabilivolt, the capacitance connection that the outfan of each described stabilivolt is grounded with multiple other ends.

5. inserting tube power-saving circuit as claimed in claim 1 it is characterised in that：Described transformator adopts high temperature energy-storage transformator.