CN104569854A - Multi-channel power supply detecting system - Google Patents

Multi-channel power supply detecting system Download PDF

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Publication number
CN104569854A
CN104569854A CN201410849464.XA CN201410849464A CN104569854A CN 104569854 A CN104569854 A CN 104569854A CN 201410849464 A CN201410849464 A CN 201410849464A CN 104569854 A CN104569854 A CN 104569854A
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CN
China
Prior art keywords
power
module
signal
measured
voltage
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410849464.XA
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Chinese (zh)
Inventor
刘策
于庆栋
刘海霞
梁任岳
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Bitswave Suzhou Co Ltd
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Bitswave Suzhou Co Ltd
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Application filed by Bitswave Suzhou Co Ltd filed Critical Bitswave Suzhou Co Ltd
Priority to CN201410849464.XA priority Critical patent/CN104569854A/en
Publication of CN104569854A publication Critical patent/CN104569854A/en
Pending legal-status Critical Current

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Abstract

The invention provides a multi-channel power supply detecting system which comprises a high-temperature box, a control panel and an upper computer. A multiple channels of power supply modules to be detected are arranged in the high-temperature box, and connected with the control panel in normal-temperature environment, and the control panel is in communication with the upper computer. The detecting system can detect eight sets of power supply modules at most at a time, the measuring process is controlled by a single-chip microcomputer, cyclic measurement is achieved, and the detecting result covers input voltages and currents, output voltages and currents, temperature and power supply efficiency. The detecting range of the system is from -5 V to +36 V, and a frequently-used direct-current power supply voltage range is covered. The upper computer can display and record the voltage values and current values of eight power supplies at different moments and different temperatures at the same time, research personnel can analyze data conveniently, the time of the research personnel is saved through an automatic recording function, and automation and intellectualization of a high-temperature test are achieved.

Description

A kind of multiple power supplies detection system
Technical field
The present invention relates to well logging field, particularly relate to a kind of multiple power supplies detection system.
Background technology
The working temperature of oil well logging instrument is higher, and most of power supply chip at high temperature cannot normally work, and in order to find the power supply chip that can at high temperature work, just needs to do hot test; And the power module of having gone into operation also needs to do high temperature experiment before assembling, the magnitude of voltage that under record high temperature, power supply exports and current value, magnitude of voltage and the current value of the input of contrast power supply analyze power work efficiency, thus ensure product quality.
When using the multiple power modules of conventional method to design to carry out hot test, tester is needed manually to record magnitude of voltage and the current value of different electrical power under different temperatures, so that determine the maximum operating temperature of each power module, the recording process of this method is more numerous and diverse, and degree of intelligence is low, easily there is the problem such as incorrect posting, error of omission, also for the analysis for measurement result is made troubles.
Summary of the invention
Technical matters to be solved by this invention is to invent a kind of multiple power supplies detection system, described detection system can carry out hot test automatically, and the associated electrical value in hot test is recorded and shown, thus improve the intelligent of hot test, be conducive to the analysis of experimental result.
The present invention realizes like this, a kind of multiple power supplies detection system, comprises high-temperature cabinet, control panel and host computer, places multichannel power module to be measured in described high-temperature cabinet, described multichannel power module to be measured is connected with the control panel in normal temperature environment, and described control panel and described host computer carry out communication;
Described high-temperature cabinet is for heating power module to be measured to the temperature preset;
Described control panel comprises signal acquisition module, Signal-regulated kinase, single-chip microcomputer and the first communication module; The voltage signal that described signal acquisition module exports for gathering multichannel power supply to be measured, and by the Signal transmissions of collection to Signal-regulated kinase; Voltage signal after conditioning for nursing one's health the voltage signal of described collection, and is transferred to the A/D mouth of single-chip microcomputer by described Signal-regulated kinase; Described single-chip microcomputer obtains the digital signal of output voltage and output current according to described analog voltage signal and circuit structure, and described digital signal is transferred to described host computer by the first communication module; Described single-chip microcomputer also for controlling voltage signal and the current signal of described signal acquisition module touring collection multichannel power supply to be measured, and controls the break-make in loop, multichannel power module place to be measured;
Described host computer comprises data memory module, data disaply moudle and the second communication module, and described second communication module obtains the digital signal that described control panel exports, and by described digital data transmission to data memory module and data disaply moudle.
Preferably, temperature detecting module is provided with in described high-temperature cabinet, the temperature signal detected is transferred to described single-chip microcomputer by described temperature detecting module, and described single-chip microcomputer obtains temperature digital signal according to temperature signal, and by described temperature digital Signal transmissions to host computer.
Preferably, described power module to be measured comprises two kinds of power supplys, and one is 0-36V, and another kind is-5-0V.
Preferably, described Signal-regulated kinase is nursed one's health respectively for two kinds of power modules to be measured of 0-36V and-5-0V; For the power module to be measured of 0-36V, the voltage of described power module to be measured is transferred to after dividing potential drop the A/D mouth of single-chip microcomputer.
Preferably, described control panel also comprises voltage load module, and described voltage load module provides specified DC voltage to power module to be measured; Described control panel also for obtaining the input current of power module to be measured, and by the digital data transmission of input voltage and input current to host computer.
Preferably, described control panel also calculates the power-efficient of described power module to be measured according to input voltage, input current, output voltage and output current, and described power-efficient is transferred to host computer;
Preferably, described control panel is provided with power resistor mounting hole and connection terminal.
Preferably, each described connection terminal has 25 stitch, described connection terminal for obtaining power module output voltage to be measured and/or input current, with to described power module input rated voltage to be measured.
Preferably, described detection system is supported disposable collection and is shown voltage signal and the current signal of 8 road power modules outputs.
Preferably, described display module displaying contents comprises output voltage values and the output current of power module to be measured under time, temperature value, described temperature value.
Preferably, described host computer also shows the input voltage of power module to be measured, input current and power-efficient.
Implement the present invention, there is following beneficial effect:
The invention provides a kind of multiple power supplies detection system, described detection system at most can disposable measurement 8 groups of power modules, measuring process achieves tour inspection by Single-chip Controlling, testing result covers input voltage and electric current, output voltage and electric current, temperature and power-efficient, therefore, achieve robotization and the intellectuality of hot test, in addition, the present invention also tool has the following advantages:
Sensing range is-5V ~+36V, covers conventional direct current power source voltage scope;
Control panel is designed with power resistor mounting hole and connection terminal, according to the output current requirement of power supply to be measured, different power resistors can be changed;
Host computer can show in the lump and record 8 road power supplys at the magnitude of voltage not in the same time, under different temperatures and current value; Facilitate research staff to data analysis, automatic recording function saves the time of research staff;
Not only can detect output voltage values and the current value of multiple power supplies module, and its input voltage value and current value can be detected, therefore can calculate power-efficient.
Accompanying drawing explanation
Fig. 1 is the structural drawing of multiple power supplies detection system;
Fig. 2 is multiple power supplies detection system control panel logical diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
First embodiment of the invention provides a kind of multiple power supplies detection system, as shown in Figure 1, comprises high-temperature cabinet, control panel and host computer, places multichannel power module to be measured in described high-temperature cabinet, and described high-temperature cabinet is for heating power module to be measured to the temperature preset; Described multichannel power module to be measured is connected with the control panel in normal temperature environment, and described control panel and described host computer carry out communication;
Described control panel comprises signal acquisition module, Signal-regulated kinase, single-chip microcomputer and first serial; Described signal acquisition module is connected with described multichannel power module to be measured, for gathering the voltage signal that multichannel power supply to be measured exports, and by the Signal transmissions of collection to Signal-regulated kinase; Voltage signal after conditioning for nursing one's health the voltage signal of described collection, and is transferred to the A/D mouth of single-chip microcomputer by described Signal-regulated kinase; Described single-chip microcomputer obtains the digital signal of output voltage and output current according to described analog voltage signal and circuit structure, and described digital signal is transferred to described host computer by first serial; Described single-chip microcomputer also for controlling voltage signal and the current signal of described signal acquisition module touring collection multichannel power supply to be measured, and passes through control MOSFET thus the break-make in control loop, multichannel power module place to be measured;
Described host computer comprises data memory module, data disaply moudle and second serial, and described second serial obtains the digital signal that described control panel exports, and by described digital data transmission to data memory module and data disaply moudle;
Described high-temperature cabinet also comprises the temperature detecting module be made up of platinum resistance Pt100, the temperature signal detected is transferred to described single-chip microcomputer by described temperature detecting module, described single-chip microcomputer obtains temperature digital signal according to temperature signal, and by described temperature digital Signal transmissions to host computer.
Described power module to be measured comprises two kinds of power supplys, and one is 0-36V, and another kind is-5-0V.
Wherein, described Signal-regulated kinase is nursed one's health respectively for two kinds of power modules to be measured of 0-36V and-5-0V; Single-chip microcomputer can not the voltage of Direct Recognition 0 ~ 36V, so the voltage of 0 ~ 36V delivers to the AD mouth of single-chip microcomputer after needing dividing potential drop.Single-chip microcomputer can not the voltage of Direct Recognition-5V ~ 0V, so the voltage of-5V ~ 0V delivers to the AD mouth of single-chip microcomputer after needing to carry out signal condition.
Described control panel also comprises voltage load module, and described voltage load module provides the rated direct voltage of+30V to power module to be measured; Described control panel inside stores load voltage value in advance, and obtains the input current of power module to be measured by signal acquisition module, and by the digital data transmission of input voltage and input current to host computer.
Preferably, described control panel also calculates the power-efficient of described power module to be measured according to input voltage, input current, output voltage and output current, and described power-efficient is transferred to host computer;
Preferably, described control panel is provided with 8 pairs of power resistor mounting holes and 8 groups of connection terminals, described power resistor load current is restricted to 2A, can adjust according to the voltage of power module to be measured to power resistor, and power resistor mounting hole is for carrying out dismounting and the installation of power resistor; Each described connection terminal has 25 stitch, described connection terminal for obtaining power module output voltage to be measured and/or input current, with to described power module input rated voltage to be measured.
Preferably, described detection system is supported disposable collection and is shown voltage signal and the current signal of 8 road power modules outputs.
Described display module displaying contents comprises output voltage values and the output current of power module to be measured under time, temperature value, described temperature value, also shows the input voltage of power module to be measured, input current and power-efficient.
Another embodiment of the present invention, the present embodiment as shown in Figure 2, disposable two-way power module to be detected, each connection terminal of control panel has 25 stitch, described connection terminal has 8 groups, number consecutively is V0-V7, and load 1 is connected with one of them of V0-V3, and load 2 is connected with one of them of V4-V7; The nominal input voltage that described control panel is provided for load 1 and load 2 by connection terminal;
The single-chip microcomputer of described control panel controls the break-make of testing circuit by MOSFET;
Signal acquisition module in described control panel and Signal-regulated kinase are made up of output detection circuit and input detecting circuit.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims (10)

1. a multiple power supplies detection system, it is characterized in that, comprise high-temperature cabinet, control panel and host computer, in described high-temperature cabinet, place multichannel power module to be measured, described multichannel power module to be measured is connected with the control panel in normal temperature environment, and described control panel and described host computer carry out communication;
Described high-temperature cabinet is for heating power module to be measured to the temperature preset;
Described control panel comprises signal acquisition module, Signal-regulated kinase, single-chip microcomputer and the first communication module; The voltage signal that described signal acquisition module exports for gathering multichannel power supply to be measured, and by the Signal transmissions of collection to Signal-regulated kinase; Voltage signal after conditioning for nursing one's health the voltage signal of described collection, and is transferred to the A/D mouth of single-chip microcomputer by described Signal-regulated kinase; Described single-chip microcomputer obtains the digital signal of output voltage and output current according to described analog voltage signal and circuit structure, and described digital signal is transferred to described host computer by the first communication module; Described single-chip microcomputer also for controlling voltage signal and the current signal of described signal acquisition module touring collection multichannel power supply to be measured, and controls the break-make in loop, multichannel power module place to be measured;
Described host computer comprises data memory module, data disaply moudle and the second communication module, and described second communication module obtains the digital signal that described control panel exports, and by described digital data transmission to data memory module and data disaply moudle.
2. a kind of multiple power supplies detection system according to claim 1, it is characterized in that, temperature detecting module is provided with in described high-temperature cabinet, the temperature signal detected is transferred to described single-chip microcomputer by described temperature detecting module, described single-chip microcomputer obtains temperature digital signal according to temperature signal, and by described temperature digital Signal transmissions to host computer.
3. a kind of multiple power supplies detection system according to claim 1 and 2, is characterized in that, described power module to be measured comprises two kinds of power supplys, and one is 0-36V, and another kind is-5-0V.
4. a kind of multiple power supplies detection system according to claim 3, is characterized in that, described Signal-regulated kinase is nursed one's health respectively for two kinds of power modules to be measured of 0-36V and-5-0V; For the power module to be measured of 0-36V, the voltage of described power module to be measured is transferred to after dividing potential drop the A/D mouth of single-chip microcomputer.
5. according to a kind of multiple power supplies detection system in claim 1,2 or 4 described in any one, it is characterized in that, described control panel also comprises voltage load module, and described voltage load module provides specified DC voltage to power module to be measured; Described control panel also for obtaining the input current of power module to be measured, and by the digital data transmission of input voltage and input current to host computer.
6. a kind of multiple power supplies detection system according to claim 5, it is characterized in that, described control panel also calculates the power-efficient of described power module to be measured according to input voltage, input current, output voltage and output current, and described power-efficient is transferred to host computer.
7. a kind of multiple power supplies detection system according to claim 6, is characterized in that, described control panel is provided with power resistor mounting hole and connection terminal.
8. a kind of multiple power supplies detection system according to claim 6 or 7, is characterized in that, described detection system is supported disposable collection and shown voltage signal and the current signal of 8 road power modules outputs.
9. a kind of multiple power supplies detection system according to claim 8, is characterized in that, described display module displaying contents comprises output voltage values and the output current of power module to be measured under time, temperature value, described temperature value.
10. a kind of multiple power supplies detection system according to claim 9, is characterized in that, described host computer also shows the input voltage of power module to be measured, input current and power-efficient.
CN201410849464.XA 2014-12-31 2014-12-31 Multi-channel power supply detecting system Pending CN104569854A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201410849464.XA CN104569854A (en) 2014-12-31 2014-12-31 Multi-channel power supply detecting system

Publications (1)

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CN104569854A true CN104569854A (en) 2015-04-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105974334A (en) * 2016-08-02 2016-09-28 惠勇 Testing system for LED lamp drive power source
CN111273105A (en) * 2020-03-03 2020-06-12 海信集团有限公司 Intelligent household appliance and power supply detection method thereof
CN111273105B (en) * 2020-03-03 2021-12-14 海信集团有限公司 Intelligent household appliance and power supply detection method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105974334A (en) * 2016-08-02 2016-09-28 惠勇 Testing system for LED lamp drive power source
CN111273105A (en) * 2020-03-03 2020-06-12 海信集团有限公司 Intelligent household appliance and power supply detection method thereof
CN111273105B (en) * 2020-03-03 2021-12-14 海信集团有限公司 Intelligent household appliance and power supply detection method thereof

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Application publication date: 20150429