CN109586248A - A kind of solenoid valve driving module for realizing overcurrent protection - Google Patents
A kind of solenoid valve driving module for realizing overcurrent protection Download PDFInfo
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- CN109586248A CN109586248A CN201811532826.7A CN201811532826A CN109586248A CN 109586248 A CN109586248 A CN 109586248A CN 201811532826 A CN201811532826 A CN 201811532826A CN 109586248 A CN109586248 A CN 109586248A
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- 239000003990 capacitor Substances 0.000 claims description 8
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/008—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for protective arrangements according to this subclass
Abstract
The invention discloses a kind of solenoid valve driving modules for realizing overcurrent protection, including toggle switch, 1~pin of pin 8 of the toggle switch is grounded, the pin 9 of the toggle switch is connect with the one end resistance R26, the resistance R26 other end is connect with+24V power supply, the toggle switch pin 9 is connect with the end COM1 in channel 1, the channel 1 is equipped with the end IN1, the end output signal OUT1, the end LED1, the end O1 and the end OF1, the pin 18 of the end the IN1 connection chip in the channel 1, the pin 9 of the chip is connect with the end output signal OUT1 in channel 1, the end LED1 in the channel 1 and the pin 17 of single-chip microcontroller connect, the end O1 in the channel 1 and the pin 3 of single-chip microcontroller connect, the end OF1 in the channel 1 and the pin 23 of single-chip microcontroller Connection.Inside of the invention is monitored each channel current, and when channel, output electric current is greater than rated current, which is exported automatically and cut off by system, respective channel indicator light fast blink, the load faulty that prompt user channel is driven.
Description
Technical field
The present invention relates to drive module fields, and in particular to a kind of solenoid valve driving module for realizing overcurrent protection.
Background technique
The common relay of existing market does not have default detection and protection function, in fact when user uses solenoid valve, gas
When cylinder solenoid valve or hydraulic buttery valve, a possibility that coil is very big can quality problems itself or it is other due to cause to burn
Short circuit is ruined, very big electric current can be generated in case of such situation, to burn relay contact or Switching Power Supply, situation is tighter
The route that can even burn of weight causes fire.
Summary of the invention
The purpose of the present invention is to provide a kind of solenoid valve driving module for realizing overcurrent protection is planted, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of solenoid-driven for realizing overcurrent protection
1~pin of pin 8 of module, including toggle switch, the toggle switch is grounded, the pin 9 and resistance R26 of the toggle switch
One end connection, the resistance R26 other end are connect with+24V power supply, and the toggle switch pin 9 and the end COM1 in channel 1 connect
It connects, the channel 1 is equipped with the end IN1, the end output signal OUT1, the end LED1, the end O1 and the end OF1, and the end IN1 in the channel 1 connects
The pin 18 of chip, the pin 9 of the chip are connect with the end output signal OUT1 in channel 1, and the pin 10 of the chip connects
+ 24V power supply, the end LED1 in the channel 1 and the pin 17 of single-chip microcontroller connect, the pin 3 and triode Q13's of the single-chip microcontroller
Collector is connected, and the end O1 in the channel 1 and the pin 3 of single-chip microcontroller connect, the end OF1 in the channel 1 and drawing for single-chip microcontroller
Foot 23 connects, and pin 14, pin 16, pin 15, the pin 12 of the single-chip microcontroller are connect with the pin 1~4 of chip II respectively, institute
The pin 1 for stating chip II is grounded.
The channel 1 includes the end COM1, and the end COM1 connect with rectifier bridge B1 pin 3, the rectifier bridge B1 pin 1 and
It is connect after R1 series connection with the end IN1, the end IN1 is connect with the one end capacitor C1, the capacitor C1 other end ground connection, the rectifier bridge
B1 pin 2 is connect with optocoupler U1 pin 1, and the optocoupler U1 pin 1 is connect with the collector of triode Q5, the triode Q5
Emitter ground connection, the base stage of the triode Q5 connect with the one end resistance R66, the resistance R66 other end and the end OF1 company
It connecing, the optocoupler U1 pin 2 is connect with rectifier bridge B1 pin 4, and the optocoupler U1 pin 3 is connect with transistor U9 pin 1 (B),
The optocoupler U1 pin 4 is connect with the one end resistance R9, and the resistance R9 other end is connect with+24V power supply, the transistor U9
Pin 3 (E) is connect with one end of resistance R34 and resistance R35, the resistance R34 other end ground connection, the resistance R35 other end
The base stage of connecting triode Q13, the emitter ground connection of the pole pipe Q13, the collector of the pole pipe Q13 connects the end O1, described
Transistor U9 pin 2 (C) is connect with diode D1 anode and the end output signal OUT1, the diode D1 cathode and+24V electricity
Source and Light-emitting diode LED 1 connect, and the Light-emitting diode LED 1 is connect with the one end resistance R17 and the one end resistance R36, described
The R36 other end is connect with the collector of triode Q1, and the base stage of the triode Q1 is connect with the one end resistance R38, the resistance
The R38 other end is connect with LED1, the emitter ground connection of the triode Q1, the resistance R17 other end and output signal OUT1
End connection.
Further, a kind of solenoid valve driving module for realizing overcurrent protection contains 8 identical channels, point
Not Wei channel 1, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7 and channel 8, the 8~channel of channel 1 output letter
Number OUT terminal is separately connected 9~pin of pin 2 of chip, and the end IN in 8~channel of channel 1 is separately connected the pin 11 of chip~draw
Foot 18, the end COM in 8~channel of channel 1 are separately connected 16~pin of toggle switch pin 9, the end O in the 1~channel of channel 8
It is separately connected 3~pin of single-chip microcontroller pin 10, the end OF in the 1~channel of channel 8 is separately connected single-chip microcontroller 23~pin of pin
28 and pin 1 and pin 2, the end LED in the 1~channel of channel 8 be separately connected 17~pin of single-chip microcontroller pin 22 and pin 11
With pin 13.
Further, it is grounded after the equal series resistance of 9~pin of the toggle switch pin 16, and resistance value is 20k.
Further, the resistance R34 resistance value in the channel 1 is 0.22 ohm, and resistance R35 resistance value is 1k, other resistance
It is 10k.
Further, the single-chip microcontroller model STC15W408AS.
Technical effect and advantage of the invention: the present invention is internal to be monitored each channel current, when channel exports electricity
When stream is greater than rated current, which is exported automatically and is cut off by system, respective channel indicator light fast blink, prompts user that should lead to
The load faulty that road is driven, user cut off the power after the load more renewed re-powers, and module recovery works normally.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention；
Fig. 2 is 1 circuit structure diagram of channel of the invention；
Fig. 3 is chip pin schematic diagram of the invention；
Fig. 4 is single-chip microcontroller pin schematic diagram of the invention；
Fig. 5 is chip II and single-chip microcontroller connection schematic diagram of the invention.
In figure: 1- toggle switch, the channel 201- 1,3- chip, 4- single-chip microcontroller, 5- chip II.
Specific embodiment
In order to make implement technical means of the invention, creation characteristic, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained, in the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " installation ", " company ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected to be mechanical connection, it is also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, can connection inside two elements.
Embodiment 1
A kind of solenoid valve driving module for realizing overcurrent protection as shown in fig. 1~fig. 5, including toggle switch 1, it is described
1~pin of pin 8 of toggle switch 1 is grounded, and the pin 9 of the toggle switch 1 is connect with the one end resistance R26, the resistance R26
The other end is connect with+24V power supply, and 1 pin 9 of toggle switch is connect with the end COM1 in channel 1201, and the channel 1201 is set
There are the end IN1, the end output signal OUT1, the end LED1, the end O1 and the end OF1, the pin of the end the IN1 connection chip 3 in the channel 1201
18, the pin 9 of the chip 3 is connect with the end output signal OUT1 in channel 1, the 10 connection+24V power supply of pin of the chip 3,
The end LED1 in the channel 1201 is connect with the pin 17 of single-chip microcontroller 4, the pin 3 of the single-chip microcontroller 4 and the current collection of triode Q13
Extremely it is connected, the end O1 in the channel 1201 is connect with the pin 3 of single-chip microcontroller 4, the end OF1 in the channel 1201 and single-chip microcontroller 4
Pin 23 connect, the pin 14 of the single-chip microcontroller 4, pin 16, pin 15, pin 12 respectively with the pin 1~4 of chip II 5
The pin 1 of connection, the chip II 5 is grounded.
The channel 1201 includes the end COM1, and the end COM1 is connect with rectifier bridge B1 pin 3, and the rectifier bridge B1 draws
Foot 1 is connect after connecting with R1 with the end IN1, and the end IN1 is connect with the one end capacitor C1, the capacitor C1 other end ground connection, described
Rectifier bridge B1 pin 2 is connect with optocoupler U1 pin 1, and the optocoupler U1 pin 1 is connect with the collector of triode Q5, three pole
The emitter of pipe Q5 is grounded, and the base stage of the triode Q5 is connect with the one end resistance R66, the resistance R66 other end and the end OF1
Connection, the optocoupler U1 pin 2 are connect with rectifier bridge B1 pin 4, and the optocoupler U1 pin 3 connects with transistor U9 pin 1 (B)
It connects, the optocoupler U1 pin 4 is connect with the one end resistance R9, and the resistance R9 other end is connect with+24V power supply, the transistor
U9 pin 3 (E) is connect with one end of resistance R34 and resistance R35, the resistance R34 other end ground connection, and the resistance R35 is another
The base stage of one end connecting triode Q13, the emitter ground connection of the pole pipe Q13, the collector of the pole pipe Q13 connect the end O1,
The transistor U9 pin 2 (C) connect with diode D1 anode and the end output signal OUT1, the diode D1 cathode with+
24V power supply and Light-emitting diode LED 1 connect, and the Light-emitting diode LED 1 is connect with the one end resistance R17 and the one end resistance R36,
The R36 other end is connect with the collector of triode Q1, and the base stage of the triode Q1 is connect with the one end resistance R38, described
The resistance R38 other end is connect with LED1, the emitter ground connection of the triode Q1, the resistance R17 other end and output signal
The connection of the end OUT1.
Embodiment 2
A kind of solenoid valve driving module for realizing overcurrent protection as shown in fig. 1~fig. 5, including toggle switch 1, it is described
1~pin of pin 8 of toggle switch 1 is grounded, and the pin 9 of the toggle switch 1 is connect with the one end resistance R26, the resistance R26
The other end is connect with+24V power supply, and 1 pin 9 of toggle switch is connect with the end COM1 in channel 1201, and the channel 1201 is set
There are the end IN1, the end output signal OUT1, the end LED1, the end O1 and the end OF1, the pin of the end the IN1 connection chip 3 in the channel 1201
18, the pin 9 of the chip 3 is connect with the end output signal OUT1 in channel 1, the 10 connection+24V power supply of pin of the chip 3,
The end LED1 in the channel 1201 is connect with the pin 17 of single-chip microcontroller 4, the pin 3 of the single-chip microcontroller 4 and the current collection of triode Q13
Extremely it is connected, the end O1 in the channel 1201 is connect with the pin 3 of single-chip microcontroller 4, the end OF1 in the channel 1201 and single-chip microcontroller 4
Pin 23 connect, the pin 14 of the single-chip microcontroller 4, pin 16, pin 15, pin 12 respectively with the pin 1~4 of chip II 5
The pin 1 of connection, the chip II 5 is grounded.
The channel 1201 includes the end COM1, and the end COM1 is connect with rectifier bridge B1 pin 3, and the rectifier bridge B1 draws
Foot 1 is connect after connecting with R1 with the end IN1, and the end IN1 is connect with the one end capacitor C1, the capacitor C1 other end ground connection, described
Rectifier bridge B1 pin 2 is connect with optocoupler U1 pin 1, and the optocoupler U1 pin 1 is connect with the collector of triode Q5, three pole
The emitter of pipe Q5 is grounded, and the base stage of the triode Q5 is connect with the one end resistance R66, the resistance R66 other end and the end OF1
Connection, the optocoupler U1 pin 2 are connect with rectifier bridge B1 pin 4, and the optocoupler U1 pin 3 connects with transistor U9 pin 1 (B)
It connects, the optocoupler U1 pin 4 is connect with the one end resistance R9, and the resistance R9 other end is connect with+24V power supply, the transistor
U9 pin 3 (E) is connect with one end of resistance R34 and resistance R35, the resistance R34 other end ground connection, and the resistance R35 is another
The base stage of one end connecting triode Q13, the emitter ground connection of the pole pipe Q13, the collector of the pole pipe Q13 connect the end O1,
The transistor U9 pin 2 (C) connect with diode D1 anode and the end output signal OUT1, the diode D1 cathode with+
24V power supply and Light-emitting diode LED 1 connect, and the Light-emitting diode LED 1 is connect with the one end resistance R17 and the one end resistance R36,
The R36 other end is connect with the collector of triode Q1, and the base stage of the triode Q1 is connect with the one end resistance R38, described
The resistance R38 other end is connect with LED1, the emitter ground connection of the triode Q1, the resistance R17 other end and output signal
The connection of the end OUT1.
Further, a kind of solenoid valve driving module for realizing overcurrent protection contains 8 identical channels, point
Not Wei channel 1 201, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7 and channel 8, the 8~channel of channel 12
01 output signal OUT terminal is separately connected 9~pin of pin 2 of chip 2, and the end IN in 8~channel of channel 1 201 is separately connected
11~pin of pin 18 of chip 2, the end COM in 8~channel of channel 1201 are separately connected 1 16~pin of pin 9 of toggle switch,
The end O in the 1 201~channel of channel 8 is separately connected 4 3~pin of pin 10 of single-chip microcontroller, the 1 201~channel of channel 8
The end OF is separately connected 4 23~pin of pin 28 of single-chip microcontroller and pin 1 and pin 2, the end LED in the 1 201~channel of channel 8
It is separately connected 4 17~pin of pin 22 of single-chip microcontroller and pin 11 and pin 13.
Further, it is grounded after the equal series resistance of the 1 9~pin of pin of toggle switch 16, and resistance value is 20k.
Further, the resistance R34 resistance value in the channel 1 201 is 0.22 ohm, and resistance R35 resistance value is 1k, other
Resistance is 10k.
Further, the 4 model STC15W408AS of single-chip microcontroller.
Working principle of the present invention are as follows: it is added to a very small resistance when being supported on output, is herein 0.15 Ω,
Certainly when flowing through the electric current of this resistance more than or equal to 4A, voltage=electric current * resistance is defined according to ohm, then 0.15 Ω *
The voltage of 4A=0.6V, 0.6V are added to the ground level of triode, and then triode ON, 4 input port of single-chip microcontroller are drawn by triode at this time
Low, single-chip microcontroller 4 detects that then enter load overcurrent judgement delay when this foot is low judges (preventing surge) when certain again
When then show that overcurrent events have occurred in this foot really when to judge this foot still be low.Then single-chip microcontroller 4 will control optocoupler
The end VCC voltage pull-down, examination optocoupler loses power supply, and optocoupler rear class disconnects, and stops power supply, large power triode is because of out of hand
Voltage and disconnect access.Load stops working because electric current is lost.
Such as when the generation short trouble of channel 1 201, when CPU detects electric current overrate, input is triggered at once
Signal cut, to cut off the output in channel 1 201.And indicator light is become into fast blink.
After module is re-powered, program is answered the protection circuit that last time locks in first scan period
Position could remove protection only after module is powered on again if still overcurrent will repeat the protection act of last time, extensive
Multiple normal driving work.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of solenoid valve driving module for realizing overcurrent protection, including toggle switch (1), it is characterised in that: the dial-up
1~the pin of pin 8 for switching (1) is grounded, and the pin 9 of the toggle switch (1) is connect with the one end resistance R26, the resistance R26
The other end is connect with+24V power supply, and toggle switch (1) pin 9 is connect with the end COM1 in channel 1201, the channel 1
(201) it is equipped with the end IN1, the end output signal OUT1, the end LED1, the end O1 and the end OF1, the end IN1 of the channel 1 (201) connects core
The pin 18 of piece (3), the pin 9 of the chip (3) are connect with the end output signal OUT1 in channel 1, the pin of the chip (3)
The end LED1 of 10 connection+24V power supplys, the channel 1 (201) is connect with the pin 17 of single-chip microcontroller (4), the single-chip microcontroller (4)
Pin 3 is connected with the collector of triode Q13, and the end O1 in the channel 1 (201) is connect with the pin 3 of single-chip microcontroller (4), institute
The end OF1 for stating channel 1 (201) is connect with the pin 23 of single-chip microcontroller (4), pin 14, the pin 16, pin of the single-chip microcontroller (4)
15, pin 12 is connect with the pin 1~4 of chip II (5) respectively, and the pin 1 of the chip II 5 is grounded.
2. a kind of solenoid valve driving module for realizing overcurrent protection according to claim 1, it is characterised in that: described logical
Road 1 (201) includes the end COM1, and the end COM1 is connect with rectifier bridge B1 pin 3, after the rectifier bridge B1 pin 1 is connected with R1
It is connect with the end IN1, the end IN1 is connect with the one end capacitor C1, the capacitor C1 other end ground connection, the rectifier bridge B1 pin 2
It is connect with optocoupler U1 pin 1, the optocoupler U1 pin 1 is connect with the collector of triode Q5, the emitter of the triode Q5
Ground connection, the base stage of the triode Q5 are connect with the one end resistance R66, and the resistance R66 other end is connect with the end OF1, the light
Coupling U1 pin 2 is connect with rectifier bridge B1 pin 4, and the optocoupler U1 pin 3 is connect with transistor U9 pin 1 (B), the optocoupler U1
Pin 4 is connect with the one end resistance R9, and the resistance R9 other end is connect with+24V power supply, the transistor U9 pin 3 (E) and electricity
Resistance R34 is connected with one end of resistance R35, the resistance R34 other end ground connection, the resistance R35 other end connecting triode Q13
Base stage, the emitter ground connection of the pole pipe Q13, the collector of the pole pipe Q13 connects the end O1, the transistor U9 pin 2
(C) it is connect with diode D1 anode and the end output signal OUT1, the diode D1 cathode and+24V power supply and light emitting diode
LED1 connection, the Light-emitting diode LED 1 are connect with the one end resistance R17 and the one end resistance R36, the R36 other end and three poles
The collector of pipe Q1 connects, and the base stage of the triode Q1 is connect with the one end resistance R38, the resistance R38 other end and LED1
Connection, the emitter ground connection of the triode Q1, the resistance R17 other end are connect with the end output signal OUT1.
3. a kind of solenoid valve driving module for realizing overcurrent protection according to claim 1, it is characterised in that: described one
Kind realizes that the solenoid valve driving module of overcurrent protection contains 8 identical channels, respectively channel 1 (201), channel 2, channel
3, the output signal OUT terminal in channel 4, channel 5, channel 6, channel 7 and channel 8, the 8~channel of channel 1 (201) is separately connected
9~pin of pin 2 of chip (2), the end IN in 8~channel of channel 1 (201) are separately connected 11~pin of pin 18 of chip (2),
The end COM in 8~channel of channel 1 (201) is separately connected toggle switch (1) 16~pin of pin 9, channel 1 (201)~channel
8 end O is separately connected single-chip microcontroller (4) 3~pin of pin 10, and the end OF in channel 1 (201)~channel 8 is separately connected monolithic
Machine (4) 23~pin of pin 28 and pin 1 and pin 2, the end LED in channel 1 (201)~channel 8 are separately connected single-chip microcontroller
(4) 17~pin of pin 22 and pin 11 and pin 13.
4. a kind of solenoid valve driving module for realizing overcurrent protection according to claim 1, it is characterised in that: described logical
Resistance R34 resistance value in road 1 (201) is 0.22 ohm, and resistance R35 resistance value is 1k, and other resistance are 10k.
5. a kind of solenoid valve driving module for realizing overcurrent protection according to claim 1, it is characterised in that: the list
Piece machine (4) model STC15W408AS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532826.7A CN109586248A (en) | 2018-12-14 | 2018-12-14 | A kind of solenoid valve driving module for realizing overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532826.7A CN109586248A (en) | 2018-12-14 | 2018-12-14 | A kind of solenoid valve driving module for realizing overcurrent protection |
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| Publication Number | Publication Date |
|---|---|
| CN109586248A true CN109586248A (en) | 2019-04-05 |
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ID=65929552
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811532826.7A Pending CN109586248A (en) | 2018-12-14 | 2018-12-14 | A kind of solenoid valve driving module for realizing overcurrent protection |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587463A (en) * | 2009-06-22 | 2009-11-25 | 天津理工大学 | DeviceNet fieldbus input/output device with short-circuit protection and self-diagnostic function |
| KR20100006608A (en) * | 2008-07-10 | 2010-01-21 | 세빈기술주식회사 | Wireless data acquisition control device |
| CN101783741A (en) * | 2010-03-03 | 2010-07-21 | 天津理工大学 | CANopen field bus input/output device with short-circuit protection and self-diagnosis function |
| US20130314100A1 (en) * | 2011-02-12 | 2013-11-28 | Zte Corporation | Device and Method for Detecting State of Overload and Overcurrent Protector |
| CN108092361A (en) * | 2017-12-26 | 2018-05-29 | 深圳市恒浩伟业科技有限公司 | The battery protecting circuit of low standby power loss and car emergency startup power supply |
-
2018
- 2018-12-14 CN CN201811532826.7A patent/CN109586248A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100006608A (en) * | 2008-07-10 | 2010-01-21 | 세빈기술주식회사 | Wireless data acquisition control device |
| CN101587463A (en) * | 2009-06-22 | 2009-11-25 | 天津理工大学 | DeviceNet fieldbus input/output device with short-circuit protection and self-diagnostic function |
| CN101783741A (en) * | 2010-03-03 | 2010-07-21 | 天津理工大学 | CANopen field bus input/output device with short-circuit protection and self-diagnosis function |
| US20130314100A1 (en) * | 2011-02-12 | 2013-11-28 | Zte Corporation | Device and Method for Detecting State of Overload and Overcurrent Protector |
| CN108092361A (en) * | 2017-12-26 | 2018-05-29 | 深圳市恒浩伟业科技有限公司 | The battery protecting circuit of low standby power loss and car emergency startup power supply |
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