CN205882678U - High -power DCDC converter protection device - Google Patents
High -power DCDC converter protection device Download PDFInfo
- Publication number
- CN205882678U CN205882678U CN201620825943.2U CN201620825943U CN205882678U CN 205882678 U CN205882678 U CN 205882678U CN 201620825943 U CN201620825943 U CN 201620825943U CN 205882678 U CN205882678 U CN 205882678U
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- CN
- China
- Prior art keywords
- processor module
- input
- changer
- converter
- high power
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high -power DCDC converter protection device, include: two sets of voltages, current sensor, and be located input, the output of DCDC converter respectively, the input of DCDC converter still is equipped with electronic switch, a processor module links to each other with two sets of voltages, current sensor to gather input, the voltage of output, current value respectively, when the electric current overflows perhaps voltage excessive pressure, processor module control electronic switch turn -offs the input of DCDC converter, it carries out analytical calculation through processor module to the information that voltage, electric current, temperature sensor gathered, and then control DCDC protects control, LED, radiator fan to make corresponding action, in case converter production trouble, this protection device can make the converter stop work rapidly to instruct through LED and inform converter failure cause, so that the quick accurate fault point that finds of maintenance person person maintains, labour saving and time saving, improvement work efficiency.
Description
Technical field
This utility model belongs to field of switch power, is specifically related to a kind of high power D C/DC converter protecting apparatus.
Background technology
Switching Power Supply is little with its volume, light weight, efficiency high, obtains in fields such as communication, network, Industry Control
It is widely applied.At present, the Switching Power Supply comparative maturity of the technology in terms of middle low power, high-power, high-frequency digital
It it is the developing direction in Switching Power Supply future.For powerful Switching Power Supply, protective measure is an important content in design,
Without protection reliably, once Switching Power Supply work runs into fault it would be possible to can bring to power supply itself and staff
The injury that can not estimate.The protective measure of high power switching power supply has much at present, but great majority can not read its fault message,
Can only the most slowly search, the most cumbersome and time consuming.
Utility model content
The purpose of this utility model is to provide a kind of high power D C/DC converter protecting apparatus, can monitor changer in real time
In voltage, electric current, temperature information, and to occur fault make rapidly protection act and indicate failure cause.
In order to solve above-mentioned technical problem, this utility model provides a kind of high power D C/DC converter protecting apparatus, bag
Include: two groups of voltages, current sensors, and lay respectively at the input of DC/DC changer, outfan；Described DC/DC changer defeated
Enter end and be additionally provided with electrical switch；One processor module and two groups of voltages, current sensors are connected, with Gather and input, output respectively
The voltage of end, current value；When overcurrent or electric voltage over press, described processor module controls electrical switch and turns off DC/DC
Changer inputs.
Further, described high power D C/DC converter protecting apparatus also includes: be used for detecting the internal temperature of DC/DC changer
The temperature sensor of degree, and for the fan that DC/DC changer is dispelled the heat；
Described processor module is suitable to by according to producing pwm signal to control the rotating speed of fan.
Further, described processor module detects that input undervoltage, output overcurrent, output overloading occurs in DC/DC changer
Or when continuing excess temperature, then the control signal that in output is suitable to make DC/DC changer, phase-shifting full-bridge control module is closed.
Further, described processor module is also associated with CAN transceiver.
Further, described processor module is also connected with LED failure display lamp group.
The beneficial effects of the utility model are, high power D C/DC converter protecting apparatus of the present utility model is by processing
The information that voltage, electric current, temperature sensor collect is analyzed calculating by device module, and then control DC/DC protection controls,
LED, radiator fan act accordingly.Once changer produces fault, and this protection device can make rapidly changer quit work,
And inform changer failure cause by LED instruction, in order to maintainer finds trouble point to keep in repair fast and accurately, saves time
Laborsaving, raising work efficiency.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the theory diagram of high power D C/DC converter protecting apparatus of the present utility model.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
As it is shown in figure 1, this utility model provides a kind of high power D C/DC converter protecting apparatus, including:
Two groups of voltages, current sensors, and lay respectively at the input of DC/DC changer, outfan；Described DC/DC converts
The input of device is additionally provided with electrical switch K；One processor module and two groups of voltages, current sensors are connected, defeated to gather respectively
Enter, the voltage of outfan, current value；When overcurrent or electric voltage over press, described processor module controls electrical switch K and closes
Disconnected DC/DC changer input.
Concrete, described processor module is suitably selected for A/D port, such as but not limited to using MC9S08DZ60.
Optionally, the current sensor of input is such as but not limited to using ACS712, and the current sensor of outfan such as but does not limits
In using ACS758.Electrical switch is also adopted by the switch contact of relay, and the coil of this relay is passed through by processor module
Drive circuit controls electric or dead electricity.
In order to realize further defencive function, described high power D C/DC converter protecting apparatus also includes: be used for detecting
The temperature sensor (temperature sensor employing NTC thermistor) of DC/DC changer internal temperature, and for DC/DC is become
Parallel operation carries out the fan dispelled the heat；Described processor module is suitable to by according to producing pwm signal to control the rotating speed of fan.
Preferably, described processor module detects that input undervoltage, output overcurrent, output overloading occurs in DC/DC changer
Or when continuing excess temperature, then in output is suitable to make DC/DC changer, phase-shifting full-bridge control module (such as but not limited to UCC2895) is closed
The control signal closed.
Further, in order to realize remotely controlling, described processor module is also associated with CAN transceiver, and CAN transceiver uses
TJA1040, speed is up to 1MBaud, and low-down standby current also can pass through bus remote activation.
Described processor module is also connected with LED failure display lamp group, represent respectively input overvoltage, inputted stream, input is owed
Pressure, output overcurrent, output overloading, lasting excess temperature.When DC/DC changer breaks down, can sentence rapidly according to the information of display lamp
Disconnected failure cause, finds out the source of trouble, saves time and effort.
High power D C/DC converter protecting apparatus has strong adaptability, regulates and controls rapid advantage, it is possible to farthest carry
The reliability of high power work and efficiency.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and amendment completely in the range of without departing from this utility model technological thought.This reality
The content being not limited in description by novel technical scope, it is necessary to determine its technology according to right
Property scope.
Claims (5)
1. a high power D C/DC converter protecting apparatus, it is characterised in that including:
Two groups of voltages, current sensors, and lay respectively at the input of DC/DC changer, outfan；
The input of described DC/DC changer is additionally provided with electrical switch；
One processor module and two groups of voltages, current sensors are connected, with Gather and input, the voltage of outfan, current value respectively；
When overcurrent or electric voltage over press, described processor module controls electrical switch and turns off the input of DC/DC changer.
High power D C/DC converter protecting apparatus the most according to claim 1, it is characterised in that
Described high power D C/DC converter protecting apparatus also includes: for detecting the temperature sensing of DC/DC changer internal temperature
Device, and for the fan that DC/DC changer is dispelled the heat；
Described processor module is suitable to by according to producing pwm signal to control the rotating speed of fan.
High power D C/DC converter protecting apparatus the most according to claim 2, it is characterised in that
Described processor module detects that input undervoltage, output overcurrent, output overloading or lasting excess temperature occurs in DC/DC changer
Time, then the control signal that in output is suitable to make DC/DC changer, phase-shifting full-bridge control module is closed.
High power D C/DC converter protecting apparatus the most according to claim 3, it is characterised in that described processor module
It is also associated with CAN transceiver.
High power D C/DC converter protecting apparatus the most according to claim 4, it is characterised in that described processor module
It is also connected with LED failure display lamp group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825943.2U CN205882678U (en) | 2016-08-02 | 2016-08-02 | High -power DCDC converter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825943.2U CN205882678U (en) | 2016-08-02 | 2016-08-02 | High -power DCDC converter protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882678U true CN205882678U (en) | 2017-01-11 |
Family
ID=57700845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620825943.2U Expired - Fee Related CN205882678U (en) | 2016-08-02 | 2016-08-02 | High -power DCDC converter protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041092A1 (en) * | 2017-08-28 | 2019-03-07 | 深圳市锐明技术股份有限公司 | Automobile power line protection device |
| CN114281058A (en) * | 2021-12-03 | 2022-04-05 | 上海宏英智能科技股份有限公司 | Control system and method |
-
2016
- 2016-08-02 CN CN201620825943.2U patent/CN205882678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041092A1 (en) * | 2017-08-28 | 2019-03-07 | 深圳市锐明技术股份有限公司 | Automobile power line protection device |
| CN114281058A (en) * | 2021-12-03 | 2022-04-05 | 上海宏英智能科技股份有限公司 | Control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |