CN103728042A - Temperature itinerant detecting device for power supply unit - Google Patents
Temperature itinerant detecting device for power supply unit Download PDFInfo
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- CN103728042A CN103728042A CN201210381774.4A CN201210381774A CN103728042A CN 103728042 A CN103728042 A CN 103728042A CN 201210381774 A CN201210381774 A CN 201210381774A CN 103728042 A CN103728042 A CN 103728042A
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- switch
- resistance
- temperature
- connection terminal
- supply unit
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Abstract
The invention discloses a temperature itinerant detecting device for a power supply unit. The device comprises a temperature sensor, a wiring terminal, a first resistor, a second resistor, a third resistor, a first switch, a second switch, a third switch, a fourth switch, a conversion device, a control chip and a battery. The temperature sensor is arranged to induct the temperature of each channel connected to the wiring terminal, a temperature itinerant detecting instrument is controlled by the control chip to work, lead errors caused when thermal resistance is switched in are eliminated, and channel switch and data acquisition are convenient and fast to achieve; the conversion device does not include voltage drop on electronic switch on resistance, so temperature characteristics of hardware are promoted to the maximum degree. Accordingly, the temperatures of transformers, electric terminals and other devices in the electric power supply unit can be monitored and controlled, market needs are met, and defects of existing equipment are made up for.
Description
Technical field
The present invention relates to a kind of auxiliary equipment for power-supply unit, relate in particular to a kind of temperature patrol inspection device for power-supply unit.
Background technology
In existing power-supply unit, temperature parameter is one of most important non-electrical parameter, temperature monitoring and control for equipment such as the transformer in power supply, electric terminals, determined that can whole power supply equipment normally move, therefore, if lack the fault that will cause power equipment for the temperature measurement and control of power equipment, impact is operation normally.
Summary of the invention
Object of the present invention provides a kind of temperature patrol inspection device for power-supply unit with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes temperature sensor, connection terminal, the first resistance, the second resistance, the 3rd resistance, the first switch, second switch, the 3rd switch, the 4th switch, conversion equipment, control chip and battery, the first end of described temperature sensor is connected with the first end of described the first resistance, the second end of described temperature sensor is connected with the first end of described the 3rd resistance with the first end of described the second resistance simultaneously, the second end of described the first resistance is connected with the first end of described connection terminal outer end, the second end of described the second resistance is connected with the second end of described connection terminal outer end, the second end of described the 3rd resistance is connected with the 3rd end of described connection terminal outer end, the first end of described connection terminal the inner is connected with the first end of described the first switch and the first end of described second switch simultaneously, second end of described connection terminal the inner is connected with the first end of described the 3rd switch, the 3rd end of described connection terminal the inner is connected with the first end of described conversion equipment output terminal and the positive pole of described battery simultaneously, the second end of described the first switch is connected with the negative pole of described battery, the second end of described second switch is connected with the first end of described the 4th switch, the second end of described the 3rd switch is connected with the second end of described the 4th switch, the center link of described the 4th switch is connected with the second end of described conversion equipment output terminal, the two ends of the control input end of described conversion equipment all with the corresponding connection in two ends of the control output end of described control chip.
Beneficial effect of the present invention is:
The present invention is connected to the temperature in each passage on connection terminal by set temperature sensor sensing, by described control chip, controlled the work of temperature polling instrument, thereby realize lead-in wire error, passage switching, data acquisition fast and easy while eliminating thermal resistance access; And the pressure drop in electronic switch conducting resistance is got rid of outside conversion equipment collection, at utmost promoted the temperature characterisitic of hardware.
Therefore, temperature monitoring and control that the present invention can be to equipment such as the transformer in power supply equipment, electric terminals, meet the needs in market, makes up the deficiency of existing equipment.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes temperature sensor RTD, connection terminal JX, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the first K switch 1, second switch K2, the 3rd K switch 3, the 4th K switch 4, conversion equipment ZH, control chip IC and battery E, the first end of temperature sensor RTD is connected with the first end of the first resistance R 1, the second end of temperature sensor RTD is connected with the first end of the 3rd resistance R 3 with the first end of the second resistance R 2 simultaneously, the second end of the first resistance R 1 is connected with the first end of connection terminal JX outer end, the second end of the second resistance R 2 is connected with the second end of connection terminal JX outer end, the second end of the 3rd resistance R 3 is connected with the 3rd end of connection terminal JX outer end, the first end of connection terminal JX the inner is connected with the first end of second switch K2 with the first end of the first K switch 1 simultaneously, second end of connection terminal JX the inner is connected with the first end of the 3rd K switch 3, the 3rd end of connection terminal JX the inner is connected with the positive pole of battery E with the first end of conversion equipment ZH output terminal simultaneously, the second end of the first K switch 1 is connected with the negative pole of battery E, the second end of second switch K2 is connected with the first end of the 4th K switch 4, the second end of the 3rd K switch 3 is connected with the second end of the 4th K switch 4, the center link of the 4th K switch 4 is connected with the second end of conversion equipment ZH output terminal, the two ends of the control input end of conversion equipment ZH all with the corresponding connection in two ends of the control output end of control chip IC.
Claims (1)
1. the temperature patrol inspection device for power-supply unit, it is characterized in that: comprise temperature sensor, connection terminal, the first resistance, the second resistance, the 3rd resistance, the first switch, second switch, the 3rd switch, the 4th switch, conversion equipment, control chip and battery, the first end of described temperature sensor is connected with the first end of described the first resistance, the second end of described temperature sensor is connected with the first end of described the 3rd resistance with the first end of described the second resistance simultaneously, the second end of described the first resistance is connected with the first end of described connection terminal outer end, the second end of described the second resistance is connected with the second end of described connection terminal outer end, the second end of described the 3rd resistance is connected with the 3rd end of described connection terminal outer end, the first end of described connection terminal the inner is connected with the first end of described the first switch and the first end of described second switch simultaneously, second end of described connection terminal the inner is connected with the first end of described the 3rd switch, the 3rd end of described connection terminal the inner is connected with the first end of described conversion equipment output terminal and the positive pole of described battery simultaneously, the second end of described the first switch is connected with the negative pole of described battery, the second end of described second switch is connected with the first end of described the 4th switch, the second end of described the 3rd switch is connected with the second end of described the 4th switch, the center link of described the 4th switch is connected with the second end of described conversion equipment output terminal, the two ends of the control input end of described conversion equipment all with the corresponding connection in two ends of the control output end of described control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381774.4A CN103728042A (en) | 2012-10-10 | 2012-10-10 | Temperature itinerant detecting device for power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381774.4A CN103728042A (en) | 2012-10-10 | 2012-10-10 | Temperature itinerant detecting device for power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103728042A true CN103728042A (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210381774.4A Pending CN103728042A (en) | 2012-10-10 | 2012-10-10 | Temperature itinerant detecting device for power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103728042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63273026A (en) * | 1987-05-01 | 1988-11-10 | Yamatake Honeywell Co Ltd | Input circuit of temperature measuring instrument |
| CN101169341A (en) * | 2006-10-25 | 2008-04-30 | 深圳迈瑞生物医疗电子股份有限公司 | Temperature measuring circuit |
| CN101467013A (en) * | 2006-07-17 | 2009-06-24 | 梅特勒-托利多公开股份有限公司 | Method and apparatus for measuring temperature |
| CN201575872U (en) * | 2009-12-03 | 2010-09-08 | 上海梅山钢铁股份有限公司 | Compensating circuit of thermal resistor capable of implementing temperature measurement correction |
| DE102009058387A1 (en) * | 2009-12-15 | 2011-06-16 | Abb Ag | Method for measurement of line resistors of connecting lines from resistance thermometers in three wire switch to spatially remote power supply, involves calculating resistances of conductive wires from measured resistances |
-
2012
- 2012-10-10 CN CN201210381774.4A patent/CN103728042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63273026A (en) * | 1987-05-01 | 1988-11-10 | Yamatake Honeywell Co Ltd | Input circuit of temperature measuring instrument |
| CN101467013A (en) * | 2006-07-17 | 2009-06-24 | 梅特勒-托利多公开股份有限公司 | Method and apparatus for measuring temperature |
| CN101169341A (en) * | 2006-10-25 | 2008-04-30 | 深圳迈瑞生物医疗电子股份有限公司 | Temperature measuring circuit |
| CN201575872U (en) * | 2009-12-03 | 2010-09-08 | 上海梅山钢铁股份有限公司 | Compensating circuit of thermal resistor capable of implementing temperature measurement correction |
| DE102009058387A1 (en) * | 2009-12-15 | 2011-06-16 | Abb Ag | Method for measurement of line resistors of connecting lines from resistance thermometers in three wire switch to spatially remote power supply, involves calculating resistances of conductive wires from measured resistances |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140416 |