CN101540492B - Intelligent fuse - Google Patents
Intelligent fuse Download PDFInfo
- Publication number
- CN101540492B CN101540492B CN2009101165496A CN200910116549A CN101540492B CN 101540492 B CN101540492 B CN 101540492B CN 2009101165496 A CN2009101165496 A CN 2009101165496A CN 200910116549 A CN200910116549 A CN 200910116549A CN 101540492 B CN101540492 B CN 101540492B
- Authority
- CN
- China
- Prior art keywords
- pin
- lead
- chip
- draw
- power supply
- Prior art date
- 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
Links
- 238000004891 communication Methods 0.000 claims abstract description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to an intelligent fuse comprising a PIC singlechip, a power device, a power chip, a CAN communication interface driving chip, a temperature sensing chip, and the like; a power input terminal is connected with the power supply pin of the PIC singlechip by the power chip; the PIC singlechip is connected with the CAN communication interface driving chip; the pin of the PIC singlechip is also connected with the input terminal of the power device; the pin 2 of the PIC singlechip is a voltage signal input; the voltage signal is obtained directly from the power supply by a resistance divider; the pin 3 of the PIC singlechip is a temperature sensor signal input and connected with the output terminal of the power device; and the pin 4 of the PIC singlechip is a current signal input and the current signal is generated in the power device in the form of current mirror.
Description
Technical field:
The present invention relates to electronic technology field, a kind of specifically intelligent fuse.
Background technology:
Along with the complexity of electric product and improving constantly of class; circuit protection function wherein seems more and more important; especially will be higher to the requirement of the intellectuality of fuse, high-gradeization; and the traditional insurance silk is to rely on fuse heating open circuit protection electric equipment, and this processing mode will lag far behind the development progress of electronic product others.
Summary of the invention:
The purpose of this invention is to provide a kind of intelligent fuse, to solve the problem that existing fuse can't satisfy the modern electronic product demand.
In order to achieve the above object, the technical solution adopted in the present invention is:
Intelligent fuse, it is characterized in that: including model is the PIC single-chip microcomputer of 18F2480, the pin 1 of described PIC single-chip microcomputer is connected to power supply chip after being connected with pull-up resistor by lead again, pin 2 is connected to the voltage sampling signal importation by lead, pin 3 is connected to the temperature sensing chip by lead, pin 4 is connected to the power device part by lead, pin 8 ground connection, pin 9 and pin 10 are connected with ground connection behind the electric capacity respectively by lead, also be connected with crystal oscillator between described pin 9 and the pin 10 by lead, there is lead to draw on the pin 11, the described lead of drawing is divided into two-way, one the road is connected to the indicator light part, and another road is connected to the power device part, pin 19 ground connection, pin 20 is connected to power supply chip by lead, also be connected with electric capacity between described pin 19 and the pin 20, the pin 23 of described PIC single-chip microcomputer and pin 24 are connected to CAN communication interface chip for driving by lead respectively, and pin 27 and pin 28 are connected to plug connector by lead respectively;
Described power supply chip model is TLE-4264, there is lead to draw on the pin 1 of described power supply chip, described draw be in series with a diode and resistance on the lead after, be connected to external power supply again, described pin 1 and pin 2 between also be connected with a parallel branch by lead, described parallel branch comprises voltage stabilizing didoe parallel with one another and two electric capacity, also have lead to draw on the described pin 2, described drawing after lead is connected with an electric capacity, be connected to the pin 3 of described power supply chip again, the pin 4 of described power supply chip is by lead ground connection, also have lead to draw on the pin 3 of described power supply chip, describedly draw pin 1 and the pin 20 that lead is connected to described PIC single-chip microcomputer respectively, temperature sensor chip, CAN communication interface chip for driving and indicator light part;
Described voltage sampling signal importation includes series arm, described series arm comprises two resistance of series connection mutually, described series arm one end is connected to external power supply, other end ground connection, also have two leads to draw between two resistance of connecting mutually in the described series arm, be connected with ground connection behind the electric capacity on the lead, another root lead is connected to the pin 2 of described PIC single-chip microcomputer;
Described temperature sensing chip model is MCP9700, there are two leads to draw on the described temperature sensing pin of chip 1, draw the pin 3 that lead is connected to power supply chip for one, another root lead is connected with ground connection behind the electric capacity, described temperature sensing pin of chip 3 ground connection, have two leads to draw on the pin 2, one is connected with ground connection behind the electric capacity, and another root lead is connected to the pin 3 of described PIC single-chip microcomputer;
Described power device partly includes power device and triode that model is BTS555, there are two resistance to draw on the base stage of described triode, a lead is connected with the pin 11 that is connected to described PIC single-chip microcomputer behind the resistance again, another root lead is connected with ground connection behind the resistance, after the collector electrode base stage of described triode is connected with resistance by lead, be connected to the pin 2 of described power device again, there are two leads to draw on the emitter of described triode, a lead ground connection, after being connected with diode on another root lead, be connected to the collector electrode of described triode again, the pin 3 of described power device is connected to external power supply, after interconnecting by lead between pin 1 and the pin 5, be connected to the negative electrode of a voltage stabilizing didoe again by lead, the plus earth of described voltage stabilizing didoe, the pin 4 of described power device is connected with a branch road by lead, described branch road comprises the parallel circuits that a plurality of resistance are formed, after described parallel circuits one end is connected with a resistance by lead, be connected to the pin 4 of described PIC single-chip microcomputer again, there are three leads to draw on the described parallel circuits other end, draw lead ground connection for one, other two draw be connected with electric capacity and voltage stabilizing didoe respectively on the lead after, be connected to the pin 4 of described PIC single-chip microcomputer again;
Described indicator light partly comprises two light-emitting diodes, after the negative electrode of described two light-emitting diodes is connected with resistance respectively, again by lead ground connection, the anode of one of them light-emitting diode is connected to the pin 11 of described PIC single-chip microcomputer by lead, and the anode of another light-emitting diode is connected to the pin 3 of described power supply chip by lead;
Described CAN communication interface chip for driving model is AMIS-42700, the pin 4 of described CAN communication interface chip for driving and pin 7 are connected to the pin 23 and the pin 24 of described PIC single-chip microcomputer respectively by the lead correspondence, the pin 2 of described CAN communication interface chip for driving, pin 5, pin 6, pin 10, pin 15, pin 16, pin 17 is respectively by lead ground connection, there are two leads to draw on the pin 12, a lead is connected to the pin 3 of described power supply chip, another root lead is connected with after two electric capacity parallel branch that constitutes in parallel ground connection again, the pin 13 of described CAN communication interface chip for driving, pin 14, pin 19, there is lead to draw on the pin 18 respectively, draw lead and be connected in the described plug connector described pin 13 and described pin 14 respectively for described four, also be connected with resistance by lead respectively between described pin 18 and the described pin 19;
The pin of described plug connector has 12, the pin 5 of described plug connector and pin 4 are respectively by the pin 27 and pin 28 corresponding are connected of lead with described PIC single-chip microcomputer, and the pin 9 of described plug connector, pin 10, pin 11 and pin 12 are respectively by pin 13, pin 14, pin 19 and pin 18 corresponding are connected of lead with described CAN communication interface chip for driving;
Described intelligent fuse, it is characterized in that: also include switch sections, described switch sections comprises the resistance series circuit that two resistance of mutual series connection constitute, and the diode series circuit of two diodes formations of connecting mutually, there is lead to draw between described two resistance, the described lead of drawing is connected between two diodes, described resistance series circuit one end is connected to the pin 6 of described plug connector by lead, other end ground connection, described diode series circuit one end is connected to the pin 3 of described power supply chip, other end ground connection also has lead to draw between described two diodes, describedly draw the pin 13 that lead is connected to described PIC single-chip microcomputer.
The present invention relates to intelligent fuse, comprise the PIC single-chip microcomputer, power device, power supply chip, CAN communication interface chip for driving, composition power inputs such as temperature sensing chip are connected to PIC single-chip microcomputer energization pins by power supply chip, PIC single-chip microcomputer pin 23, pin 24 connects CAN communication interface chip for driving, the pin 11 of PIC single-chip microcomputer is also connected to the input of power device, 2 pins of PIC single-chip microcomputer are the voltage signal input, voltage signal is directly obtained from power supply by electric resistance partial pressure, 3 pins of PIC single-chip microcomputer are the temperature sensor signal input, be connected to the output of power device, 4 pins of PIC single-chip microcomputer are the current signal input, and current signal is produced by the current mirror mode by power device inside.
The present invention is the intelligent power fuse that utilizes controlled power device and logical circuit to form, and can be equipped with network interface (CAN network, LIN network or other network) as required.Be characterized in: the running parameters such as working temperature of electric current on can the sensing intelligent fuse and supply voltage, intelligent power fuse; can protect working curve by communication interface setting or current limit or the load startup of revising the equipment of protect according to load characteristic, can realize network control and management intelligent fuse by communication network.The present invention has from recovery characteristics, possesses defencive functions such as short circuit, overcurrent, under-voltage, overvoltage, excess temperature simultaneously.Utilize the communication network of high reliability, can realize electric current, voltage, temperature, operating state, the isoparametric real-time monitoring of fault word.
The present invention has the following advantages:
(1) for the first time the traditional insurance silk with intellectuality, informationalized mode realizes and expand its purposes.
(2) the traditional insurance silk is to rely on fuse heating open circuit protection electric equipment, and intelligent fuse is to rely on precise current to detect the protection electric equipment.Can change its operating state by the communication interface of intelligent fuse.Being one can be provided with, can change the protective current value, can change the protective current curve and protect other parameter intelligent fuse of (as voltage power supply restriction).Intelligent fuse can upload to control management system to the various parameters of its work by interface.
(3) protection is faster, more accurate.Fuse is in when fusing heating, because load characteristic, fuse characteristics is inconsistent, make that breaking time, length was difficult to control, and the MOSFET of electronic installation control can judge in the time of several ns and reflect;
(4) protective adaptation is strong.When equipment with load when changing, its protective current value will change, traditional insurance silk protective circuit will change the fuse specification, and intelligent fuse only need change the control program setting and can finish, and need not change device hardware;
(5) detect and export the various parameters (as parameters such as operating current, voltage, temperature, operating state, fault words) of protected equipment in real time;
(6) can set the protection parameter curve according to apparatus characteristic, thereby can satisfy such as electric currents such as electric motor starting variation equipment greatly.
(7) other protection parameter can be set as required,, limit parameters such as working temperature as limiting the upper and lower limit of operating voltage.
Description of drawings:
Fig. 1 is a circuit diagram of the present invention.
Embodiment:
Intelligent fuse, including model is the PIC single-chip microcomputer of 18F2480, the pin 1 of described PIC single-chip microcomputer is connected to power supply chip after being connected with pull-up resistor by lead again, pin 2 is connected to the voltage sampling signal importation by lead, pin 3 is connected to the temperature sensing chip by lead, pin 4 is connected to the power device part by lead, pin 8 ground connection, pin 9 and pin 10 are connected with ground connection behind the electric capacity respectively by lead, also be connected with crystal oscillator between described pin 9 and the pin 10 by lead, there is lead to draw on the pin 11, the described lead of drawing is divided into two-way, one the road is connected to the indicator light part, and another road is connected to the power device part, pin 19 ground connection, pin 20 is connected to power supply chip by lead, also be connected with electric capacity between described pin 19 and the pin 20, the pin 23 of described PIC single-chip microcomputer and pin 24 are connected to CAN communication interface chip for driving by lead respectively, and pin 27 and pin 28 are connected to plug connector by lead respectively;
Described power supply chip model is TLE-4264, there is lead to draw on the pin 1 of described power supply chip, described draw be in series with a diode and resistance on the lead after, be connected to external power supply again, described pin 1 and pin 2 between also be connected with a parallel branch by lead, described parallel branch comprises voltage stabilizing didoe parallel with one another and two electric capacity, also have lead to draw on the described pin 2, described drawing after lead is connected with an electric capacity, be connected to the pin 3 of described power supply chip again, the pin 4 of described power supply chip is by lead ground connection, also have lead to draw on the pin 3 of described power supply chip, describedly draw pin 1 and the pin 20 that lead is connected to described PIC single-chip microcomputer respectively, temperature sensor chip, CAN communication interface chip for driving and indicator light part;
Described voltage sampling signal importation includes series arm, described series arm comprises two resistance of series connection mutually, described series arm one end is connected to external power supply, other end ground connection, also have two leads to draw between two resistance of connecting mutually in the described series arm, be connected with ground connection behind the electric capacity on the lead, another root lead is connected to the pin 2 of described PIC single-chip microcomputer;
Described temperature sensing chip model is MCP9700, there are two leads to draw on the described temperature sensing pin of chip 1, draw the pin 3 that lead is connected to power supply chip for one, another root lead is connected with ground connection behind the electric capacity, described temperature sensing pin of chip 3 ground connection, have two leads to draw on the pin 2, one is connected with ground connection behind the electric capacity, and another root lead is connected to the pin 3 of described PIC single-chip microcomputer;
Described power device partly includes power device and triode that model is BTS555, there are two resistance to draw on the base stage of described triode, a lead is connected with the pin 11 that is connected to described PIC single-chip microcomputer behind the resistance again, another root lead is connected with ground connection behind the resistance, after the collector electrode base stage of described triode is connected with resistance by lead, be connected to the pin 2 of described power device again, there are two leads to draw on the emitter of described triode, a lead ground connection, after being connected with diode on another root lead, be connected to the collector electrode of described triode again, the pin 3 of described power device is connected to external power supply, after interconnecting by lead between pin 1 and the pin 5, be connected to the negative electrode of a voltage stabilizing didoe again by lead, the plus earth of described voltage stabilizing didoe, the pin 4 of described power device is connected with a branch road by lead, described branch road comprises the parallel circuits that a plurality of resistance are formed, after described parallel circuits one end is connected with a resistance by lead, be connected to the pin 4 of described PIC single-chip microcomputer again, there are three leads to draw on the described parallel circuits other end, draw lead ground connection for one, other two draw be connected with electric capacity and voltage stabilizing didoe respectively on the lead after, be connected to the pin 4 of described PIC single-chip microcomputer again;
Described indicator light partly comprises two light-emitting diodes, after the negative electrode of described two light-emitting diodes is connected with resistance respectively, again by lead ground connection, the anode of one of them light-emitting diode is connected to the pin 11 of described PIC single-chip microcomputer by lead, and the anode of another light-emitting diode is connected to the pin 3 of described power supply chip by lead;
Described CAN communication interface chip for driving model is AMIS-42700, the pin 4 of described CAN communication interface chip for driving and pin 7 are connected to the pin 23 and the pin 24 of described PIC single-chip microcomputer respectively by the lead correspondence, the pin 2 of described CAN communication interface chip for driving, pin 5, pin 6, pin 10, pin 15, pin 16, pin 17 is respectively by lead ground connection, there are two leads to draw on the pin 12, a lead is connected to the pin 3 of described power supply chip, another root lead is connected with after two electric capacity parallel branch that constitutes in parallel ground connection again, the pin 13 of described CAN communication interface chip for driving, pin 14, pin 19, there is lead to draw on the pin 18 respectively, draw lead and be connected in the described plug connector described pin 13 and described pin 14 respectively for described four, also be connected with resistance by lead respectively between described pin 18 and the described pin 19;
The pin of described plug connector has 12, the pin 5 of described plug connector and pin 4 are respectively by the pin 27 and pin 28 corresponding are connected of lead with described PIC single-chip microcomputer, and the pin 9 of described plug connector, pin 10, pin 11 and pin 12 are respectively by pin 13, pin 14, pin 19 and pin 18 corresponding are connected of lead with described CAN communication interface chip for driving;
Also include switch sections, described switch sections comprises the resistance series circuit that two resistance of mutual series connection constitute, and the diode series circuit of two diodes formations of connecting mutually, there is lead to draw between described two resistance, the described lead of drawing is connected between two diodes, described resistance series circuit one end is connected to the pin 6 of described plug connector by lead, other end ground connection, described diode series circuit one end is connected to the pin 3 of described power supply chip, other end ground connection, also have lead to draw between described two diodes, describedly draw the pin 13 that lead is connected to described PIC single-chip microcomputer.
Claims (1)
1. intelligent fuse, it is characterized in that: including model is the PIC single-chip microcomputer of 18F2480, the pin 1 of described PIC single-chip microcomputer is connected to power supply chip after being connected with pull-up resistor by lead again, pin 2 is connected to the voltage sampling signal importation by lead, pin 3 is connected to the temperature sensing chip by lead, pin 4 is connected to the power device part by lead, pin 8 ground connection, pin 9 and pin 10 are connected with ground connection behind the electric capacity respectively by lead, also be connected with crystal oscillator between described pin 9 and the pin 10 by lead, there is lead to draw on the pin 11, the described lead of drawing is divided into two-way, one the road is connected to the indicator light part, and another road is connected to the power device part, pin 19 ground connection, pin 20 is connected to power supply chip by lead, also be connected with electric capacity between described pin 19 and the pin 20, the pin 23 of described PIC single-chip microcomputer and pin 24 are connected to CAN communication interface chip for driving by lead respectively, and pin 27 and pin 28 are connected to plug connector by lead respectively;
Described power supply chip model is TLE-4264, has lead to draw on the pin 1 of described power supply chip, and this is connected to external power supply after drawing and being in series with a diode and resistance on the lead again;
Described power supply chip pin 1 and pin 2 between also be connected with a parallel branch by lead, described parallel branch comprises voltage stabilizing didoe parallel with one another and two electric capacity, also have lead to draw on the described power supply chip pin 2, this is drawn after lead is connected with an electric capacity, be connected to the pin 3 of described power supply chip again, the pin 4 of described power supply chip is by lead ground connection, also have lead to draw on the pin 3 of described power supply chip, pin 3 is drawn pin 1 and the pin 20 that lead is connected to described PIC single-chip microcomputer respectively, temperature sensor chip, CAN communication interface chip for driving and indicator light part;
Described voltage sampling signal importation includes series arm, described series arm comprises two resistance of series connection mutually, described series arm one end is connected to external power supply, other end ground connection, also have two leads to draw between two resistance of connecting mutually in the described series arm, be connected with ground connection behind the electric capacity on the lead, another root lead is connected to the pin 2 of described PIC single-chip microcomputer;
Described temperature sensing chip model is MCP9700, has two leads to draw on the described temperature sensing pin of chip 1, draws the pin 3 that lead is connected to power supply chip for one, and another root lead is connected with ground connection behind the electric capacity; Have two leads to draw on described temperature sensing pin of chip 3 ground connection, the pin 2, one is connected with ground connection behind the electric capacity, and another root lead is connected to the pin 3 of described PIC single-chip microcomputer;
Described power device partly includes power device and triode that model is BTS555, there are two resistance to draw on the base stage of described triode, a lead is connected with the pin 11 that is connected to described PIC single-chip microcomputer behind the resistance again, another root lead is connected with ground connection behind the resistance, after the collector electrode base stage of described triode is connected with resistance by lead, be connected to the pin 2 of described power device again, there are two leads to draw on the emitter of described triode, a lead ground connection, after being connected with diode on another root lead, be connected to the collector electrode of described triode again, the pin 3 of described power device is connected to external power supply, after interconnecting by lead between the pin 1 of the power device of BTS555 and the pin 5, be connected to the negative electrode of a voltage stabilizing didoe again by lead, the plus earth of described voltage stabilizing didoe, the pin 4 of described power device is connected with a branch road by lead, described branch road comprises the parallel circuits that a plurality of resistance are formed, after described parallel circuits one end is connected with a resistance by lead, be connected to the pin 4 of described PIC single-chip microcomputer again, there are three leads to draw on the described parallel circuits other end, draw lead ground connection for one, other two draw be connected with electric capacity and voltage stabilizing didoe respectively on the lead after, be connected to the pin 4 of described PIC single-chip microcomputer again;
Described indicator light partly comprises two light-emitting diodes, after the negative electrode of described two light-emitting diodes is connected with resistance respectively, again by lead ground connection, the anode of one of them light-emitting diode is connected to the pin 11 of described PIC single-chip microcomputer by lead, and the anode of another light-emitting diode is connected to the pin 3 of described power supply chip by lead;
Described CAN communication interface chip for driving model is AMIS-42700, the pin 4 of described CAN communication interface chip for driving and pin 7 are connected to the pin 23 and the pin 24 of described PIC single-chip microcomputer respectively by the lead correspondence, the pin 2 of described CAN communication interface chip for driving, pin 5, pin 6, pin 10, pin 15, pin 16, pin 17 is respectively by lead ground connection, there are two leads to draw on the pin 12 of described CAN communication interface chip for driving, a lead is connected to the pin 3 of described power supply chip, another root lead is connected with after two electric capacity parallel branch that constitutes in parallel ground connection again, the pin 13 of described CAN communication interface chip for driving, pin 14, pin 19, there is lead to draw on the pin 18 respectively, draw lead and be connected in the described plug connector pin 13 of described CAN communication interface chip for driving and pin 14 respectively for described four, also be connected with resistance by lead respectively between pin 18 and the pin 19;
The pin of described plug connector has 12, the pin 5 of described plug connector and pin 4 are respectively by the pin 27 and pin 28 corresponding are connected of lead with described PIC single-chip microcomputer, and the pin 9 of described plug connector, pin 10, pin 11 and pin 12 are respectively by pin 13, pin 14, pin 19 and pin 18 corresponding are connected of lead with described CAN communication interface chip for driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101165496A CN101540492B (en) | 2009-04-16 | 2009-04-16 | Intelligent fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101165496A CN101540492B (en) | 2009-04-16 | 2009-04-16 | Intelligent fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101540492A CN101540492A (en) | 2009-09-23 |
| CN101540492B true CN101540492B (en) | 2011-08-10 |
Family
ID=41123535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101165496A Expired - Fee Related CN101540492B (en) | 2009-04-16 | 2009-04-16 | Intelligent fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101540492B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701808B (en) * | 2013-12-04 | 2018-01-23 | 联想(北京)有限公司 | A kind of power protection chip |
| CN111973924B (en) * | 2020-07-20 | 2022-08-02 | 中国兵器装备集团上海电控研究所 | Power driving output device and method for fire fighting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543255Y (en) * | 2002-04-12 | 2003-04-02 | 哈尔滨新中新电子股份有限公司 | Metering controller for electric control cabinet |
| CN1960100A (en) * | 2006-08-01 | 2007-05-09 | 沙洋县鼎兴电力科技有限责任公司 | Multifunctional low voltage synthesized intellective protector |
-
2009
- 2009-04-16 CN CN2009101165496A patent/CN101540492B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543255Y (en) * | 2002-04-12 | 2003-04-02 | 哈尔滨新中新电子股份有限公司 | Metering controller for electric control cabinet |
| CN1960100A (en) * | 2006-08-01 | 2007-05-09 | 沙洋县鼎兴电力科技有限责任公司 | Multifunctional low voltage synthesized intellective protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101540492A (en) | 2009-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8582275B2 (en) | Electronic detonator control chip | |
| CN203482903U (en) | Touch control circuit and cigarette case circuit | |
| CN201383668Y (en) | Over-current protection circuit and motor controller applied to same | |
| CN207225099U (en) | Over-and under-voltage protects circuit | |
| CN102751714B (en) | Overvoltage protection circuit and current sampling device | |
| CN201674209U (en) | Bottom-cross, reverse-control and time-base circuit | |
| CN101540492B (en) | Intelligent fuse | |
| CN207677707U (en) | A kind of precisely reliable UART communications level shifting circuit | |
| CN104577961B (en) | Over-pressed power-off protecting circuit | |
| CN204855748U (en) | Treatment circuit is patrolled and examined to battery based on many channel switching of ARM platform | |
| CN107884666A (en) | MBUS bus short circuits detect circuit and its detection method | |
| CN208539561U (en) | Current foldback circuit | |
| CN110632524B (en) | Battery pack insulation detection system, battery pack system and working method | |
| CN209149135U (en) | Controllable constant-pressure output control circuit | |
| CN208753676U (en) | A kind of wireless connection type wiring board with USB interface | |
| CN206788596U (en) | Intelligent temperature and humidity Mersure Controler | |
| CN102176590B (en) | Wire holder for automatically managing household electric appliances by computer | |
| CN205986099U (en) | Bluetooth transmission module of tape light | |
| CN108880215A (en) | A kind of DC-DC power source low pressure switches off control circuit | |
| CN212811268U (en) | Programmable data link overcurrent protection system | |
| CN206619936U (en) | Batteries electric discharge device and discharge system | |
| CN205049686U (en) | A fault finding device for cutting off power supply tripping operation circuit | |
| CN219141655U (en) | Enabling control circuit, communication bus short circuit feedback circuit and detonation system | |
| CN204347489U (en) | A kind of simulation single choice control circuit | |
| CN205212406U (en) | Ammeter and be used for power output's current -limiting protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: HEFEI CHUANGYUAN AUTOMOBILE CONTROL TECHNOLOGY CO. Free format text: FORMER OWNER: CHUANGYUAN INTELLIGENT NETWORK CO LTD, HEFEI Effective date: 20110413 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230088 BUILDING F94, VENTURE CENTER, HIGH-TECH. ZONE, HEFEI CITY, ANHUI PROVINCE TO: 230088 JUNCTION OF FANHUA AVENUE AND HUASHAN ROAD, CHANG'AN INDUSTRIAL CLUSTER, TAOHUA TOWN, FEIXI COUNTY, HEFEI CITY, ANHUI PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20110413 Address after: 230088 intersection of prosperous Avenue and Huashan Road, Changan industrial gathering area, peach blossom Town, Hefei, Anhui, Feixi Applicant after: HEFEI CHUANGYUAN VEHICLE CONTROL TECHNOLOGY Co.,Ltd. Address before: 230088 building F94, Pioneer Center, hi tech Zone, Anhui, Hefei Applicant before: HEFEI CHUANYUAN INTELLIGENT NETWORK Co.,Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Huiming Inventor before: Mao Pingsheng |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170706 Address after: 075000 Zhangjiakou City, Hebei province Chongli County Shizuizi Xiang Cha small Lion Ditch Village Village No. 44 Tuo Luo sweat Patentee after: Yang Huiming Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170706 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 230088 intersection of prosperous Avenue and Huashan Road, Changan industrial gathering area, peach blossom Town, Hefei, Anhui, Feixi Patentee before: HEFEI CHUANGYUAN VEHICLE CONTROL TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20190416 |