CN112994141A - Charging and discharging safety protection method for electronic detonator initiation controller - Google Patents
Charging and discharging safety protection method for electronic detonator initiation controller Download PDFInfo
- Publication number
- CN112994141A CN112994141A CN202110090938.7A CN202110090938A CN112994141A CN 112994141 A CN112994141 A CN 112994141A CN 202110090938 A CN202110090938 A CN 202110090938A CN 112994141 A CN112994141 A CN 112994141A
- Authority
- CN
- China
- Prior art keywords
- charger
- interface
- access
- charging
- circuit
- 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.)
- Pending
Links
- 230000000977 initiatory effect Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 title abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000037452 priming Effects 0.000 claims 2
- 239000003999 initiator Substances 0.000 abstract description 9
- 238000005422 blasting Methods 0.000 abstract description 5
- 238000005474 detonation Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging and discharging safety protection method of an electronic detonator initiation Controller, which comprises an initiator end Controller and a Charger end Charger, wherein the initiator end Controller is provided with an electronic detonator initiation Controller charging interface P1, the Charger end Charger is provided with a Charger interface P2, the P1 and the P2 are 4PIN interfaces, the P1 interface is respectively connected with a Charger ACCESS signal circuit ACCESS _ IN, a charging voltage input circuit POWER _ IN, a DATA communication circuit UART _ DATA and a ground wire GND, the charging and discharging safety protection method of the electronic detonator initiation Controller has the advantages that the charging interface has the functions of short-circuit hardware protection and software detection, the charging, communication, ACCESS and short-circuit detection are integrated, the circuit is simple, safe and reliable, the charging and short-circuit safety Controller is suitable for being used IN high-requirement blasting operation fields, the risk of accidents caused by charging short circuit is reduced, and the communication function of the Charger and the initiator can judge whether the Charger is legal or not through an encrypted communication protocol, the illegal charger cannot communicate with the detonator, and the reliable source of the charger is effectively ensured.
Description
Technical Field
The invention relates to the technical field of civil explosion, in particular to a charging and discharging safety protection method for an electronic detonator detonation controller.
Background
With the continuous development and improvement of the electronic detonator technology, the technical superiority of the electronic detonator is more and more widely known in the global blasting world, and the electronic detonator initiation controller plays an irreplaceable role in modifying an initiation control system as a core device for initiating the electronic detonator. The electronic detonator initiation controller bears the functions of communicating with an electronic detonator, charging and initiating an energy storage capacitor of the electronic detonator and the like, and in actual blasting field use, for the sake of safety, the technical requirement of charging and discharging the electronic detonator initiation controller is higher compared with the charging mode of the traditional electronic equipment.
Disclosure of Invention
The invention aims to overcome the technical problems in the prior art, and provides a charging and discharging safety protection method for an electronic detonator detonation controller.
In order to achieve the purpose, the invention provides the following technical scheme: a charging and discharging safety protection method for an electronic detonator detonation Controller comprises an initiator end Controller and a Charger end Charger, wherein the initiator end Controller is provided with an electronic detonator detonation Controller charging interface P1, the Charger end Charger is provided with a Charger interface P2, the P1 and the P2 are 4PIN interfaces, the P1 interface is respectively connected with a Charger ACCESS signal circuit ACCESS _ IN, a charging voltage input circuit POWER _ IN, a DATA communication circuit UART _ DATA and a ground wire GND, and the P2 interface is respectively connected with the Charger ACCESS signal circuit ACCESS _ IN, the charging voltage output circuit POWER _ OUT, the DATA communication circuit UART _ DATA and the ground wire GND.
As a preferred embodiment of the present invention, a charging voltage input module VBAT _ IN and a charging voltage input detection module CHARGE _ ON are disposed at a terminal of the charging voltage input circuit POWER _ IN the P1 interface, and a diode D3 and a fuse F1 are disposed ON the charging voltage input circuit POWER _ IN.
IN a preferred embodiment of the present invention, a terminal of the charger ACCESS signal circuit ACCESS _ IN the P1 interface is provided with a battery power supply positive electrode VBAT, and a resistor R4 is provided therebetween.
IN a preferred embodiment of the present invention, a diode D2 is disposed IN the charger ACCESS signal circuit ACCESS _ IN the P1 interface.
As a preferred technical solution of the present invention, the terminals of the charging voltage output circuit POWER _ OUT in the P2 interface are respectively provided with a POWER supply POWER and a charger POWER supply voltage output control module POWER _ EN, and a transistor Q3, a MOS transistor Q2, a resistor R8, and a resistor R9 are provided therebetween.
As a preferred technical solution of the present invention, a terminal of the charger ACCESS signal circuit ACCESS _ IN the P2 interface is respectively connected to the power supply VCC, the charger ACCESS module ACCESS _ ON, and the ground GND, and a transistor Q1, resistors R2, R3, and a diode D1 are disposed therebetween.
Compared with the prior art, the invention has the beneficial effects that: according to the charging and discharging safety protection method for the electronic detonator detonation controller, the charging interface has the functions of short-circuit hardware protection and software detection, the functions of charging, communication, access and short-circuit detection are integrated, the circuit is simple, safe and reliable, the method is suitable for being used in high-requirement blasting operation fields, the risk of accidents caused by charging short-circuit is reduced, the communication function of the charger and the detonator can judge whether the charger is legal or not through an encrypted communication protocol, the illegal charger cannot communicate with the detonator, and the reliable source of the charger is effectively guaranteed.
Drawings
FIG. 1 is a schematic diagram of a circuit structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a CHARGE-discharge safety protection method for an electronic detonator initiation Controller comprises an initiator end Controller and a Charger end Charger, wherein the initiator end Controller is provided with an electronic detonator initiation Controller charging interface P1, the Charger end Charger is provided with a Charger interface P2, P1 and P2 are 4PIN interfaces, the P1 interface is respectively connected with a Charger ACCESS signal circuit ACCESS _ IN, a charging voltage input circuit POWER _ IN, a DATA communication circuit UART _ DATA and a ground wire GND, a terminal of the charging voltage input circuit POWER _ IN IN a P1 interface is provided with a charging voltage input module VBAT _ IN and a charging voltage input detection module CHARGE _ ON, the charging voltage input circuit POWER _ IN is provided with a diode D3 and a fuse F1, a terminal of the Charger ACCESS signal ACCESS _ IN IN the P1 interface is provided with a battery POWER supply positive electrode VBAT, a resistor R4 is arranged between the two circuits, and a diode D2 is arranged on a charger ACCESS signal circuit ACCESS _ IN;
the P2 interface is respectively connected with a charger ACCESS signal circuit ACCESS _ IN, a charging voltage output circuit POWER _ OUT, a DATA communication circuit UART _ DATA and a ground wire GND, the terminal of the charging voltage output circuit POWER _ OUT IN the P2 interface is respectively provided with a POWER supply POWER and a charger POWER supply voltage output control module POWER _ EN, a triode Q3, an MOS tube Q2, a resistor R8 and a resistor R9 are arranged between the POWER supply POWER and the charger POWER supply voltage output control module POWER _ EN, the terminal of the charger ACCESS signal circuit ACCESS _ IN IN the P2 interface is respectively connected with a POWER supply VCC, a charger ACCESS module ACCESS _ ON and a ground wire GND, and the triode Q1, the resistor R2, the R3 and the diode D1 are arranged between the POWER supply VCC;
the P2 interface is disconnected with the P1 interface, the ACCESS _ IN signal at the charger end of P2 is suspended, after the signal flows through the resistor R2, the level is pulled down to the ground GND by the R3, the low level is input, the base of the triode Q1 is controlled, the triode Q1 is disconnected, the diode D1 is disconnected from the ground GND, the ACCESS _ ON signal is pulled up to the high level output by the POWER VCC through the R1, the charger is not connected, the POWER _ EN signal is controlled by the internal control chip of the charger to output the low level at the moment, the POWER _ EN signal is connected to the ground through the resistors R8 and R9, the base of the triode Q3 inputs the low level at the moment, the triode Q3 is not conducted, the base of the MOS tube Q2 is connected with the POWER POWER input high level through the R6, the MOS tube Q2 is disconnected and is not conducted, the POWER POWER is;
if the external short circuit of the P2 interface, that is, ACCESS _ IN is pulled down to ground GND all the time, as described above, the low level of ACCESS _ IN is input to the base of the transistor Q1 through the resistor R2, the transistor Q1 is controlled to be turned off, the diode D1 is turned off from ground GND, ACCESS _ ON is connected to the POWER VCC through the resistor R1 to output high level, which indicates that the charger is not connected, at this time, the processing method is the same as that IN the off state, the POWER _ EN is controlled by the internal chip to output low level, the transistor Q3 is not conducted, so that the MOS transistor Q2 is controlled not to output charging voltage, and the function of protecting the charging interface is achieved;
when the P1 interface is IN the initial state, the state P1 is not connected with P2, and is IN the off state, the ACCESS _ IN signal is pulled up to the positive electrode VBAT of the battery power supply through the resistor R4 and the diode D2, the diode D2 plays a role of reverse isolation, and the ACCESS _ IN interface is suspended outwards at this time, so that power consumption can not be generated even if the ACCESS _ IN interface is pulled up to VBAT;
if the P1 interface is short-circuited externally, when all 4 pins are short-circuited, the external part is the ground GND, the battery voltage VBAT is discharged to the ground through the pull-up resistor R4 and the diode D2, the power consumption is increased, and the power supply is not directly short-circuited to the ground GND;
when ACCESS _ IN and POWER _ IN are short-circuited, VBAT _ IN and POWER _ IN cannot be connected to VBAT due to reverse protection of diodes D2 and D3, and POWER supply damage cannot be caused;
when the charging interface P1 of the electronic detonator explosion controller is normally connected with the charger interface P2, the ACCESS _ IN signal at the interface end P1 is pulled up to the positive pole VBAT of the battery POWER supply through the resistor R4 and the diode D2 to output high level, the ACCESS _ IN signal at the interface end P2 is input high level, the high level is input to the base electrode of the triode Q1 after the voltage division is carried OUT through the resistors R2 and R3, the collector electrode and the emitter electrode of the triode Q1 are controlled to be conducted, the diode D1 is connected to the ground GND through the triode Q1, the ACCESS _ ON signal is pulled down to the ground GND to indicate that the charger is connected, the charger POWER supply voltage output control module POWER _ EN inside the charger is controlled by the chip to output high level signal, the high level control triode Q3 to be conducted through the voltage division of the resistors R8 and R9 to control the conduction of the MOS tube Q2, the POWER supply POWER voltage outputs charging voltage POWER _ OUT through the MOS tube Q2, the P1 end P1 and the reverse direction protection diode 3 for battery explosion protection, the internal chip of the charger controls the POWER _ EN to carry out protocol agreement communication with the initiator through a UART _ DATA communication DATA line before output, and controls the POWER _ EN to output charging voltage after successful communication, so that illegal charging equipment can be effectively excluded from charging by using the method;
when the charging interface P1 of the electronic detonator explosion controller and 4PIN IN the charger interface P2 are all short-circuited, all the partial states are low level states, ACCESS _ IN is low level, the triode Q1 is closed, ACCESS _ ON is pulled high, the POWER _ EN PIN is pulled low, the MOS tube Q2 is closed, and POWER _ OUT does not output voltage;
when the POWER _ OUT and the ACCESS _ IN at the end P2 of the charger interface are short-circuited, the ACCESS _ IN high level Q1 is opened, the ACCESS _ ON is pulled low, the POWER _ EN pin is pulled high, the MOS tube Q2 is opened, and the POWER _ OUT outputs voltage which is consistent with the normal output charging voltage control logic at the moment and cannot cause circuit damage;
the method solves the problem that when the direct charging mode is used for charging in the traditional market at present, the charging pin is short-circuited and the charging circuit of the electronic detonator initiator is easily damaged;
the multifunctional integration of charging, communication, access and short circuit detection has the advantages of simple circuit, safety and reliability, is suitable for being used in high-requirement blasting operation sites, and reduces the risk of accidents caused by charging short circuit;
the communication function of the charger and the detonator can judge whether the charger is legal or not through the encrypted communication protocol, and an illegal charger cannot communicate with the detonator, so that the reliable source of the charger is effectively ensured.
Claims (6)
1. The utility model provides a safety protection method of electronic detonator priming Controller charge-discharge, includes detonator end Controller and Charger end charge, and detonator end Controller is provided with electronic detonator priming Controller interface P1 that charges, and Charger end charge is provided with Charger interface P2, its characterized in that: the P1 and the P2 are 4PIN interfaces, the P1 interface is respectively connected with the charger ACCESS signal circuit ACCESS _ IN, the charging voltage input circuit POWER _ IN, the DATA communication circuit UART _ DATA and the ground line GND, and the P2 interface is respectively connected with the charger ACCESS signal circuit ACCESS _ IN, the charging voltage output circuit POWER _ OUT, the DATA communication circuit UART _ DATA and the ground line GND.
2. The charge-discharge safety protection method of the electronic detonator initiation controller according to claim 1, characterized in that: and a charging voltage input module VBAT _ IN and a charging voltage input detection module CHARGE _ ON are arranged at the terminal of a charging voltage input circuit POWER _ IN IN the P1 interface, and a diode D3 and a fuse F1 are arranged ON the charging voltage input circuit POWER _ IN.
3. The charge-discharge safety protection method of the electronic detonator initiation controller according to claim 1, characterized in that: the terminal of the charger ACCESS signal circuit ACCESS _ IN IN the P1 interface is provided with a battery power supply anode VBAT, and a resistor R4 is arranged between the battery power supply anode VBAT and the charger ACCESS signal circuit ACCESS _ IN.
4. The charge-discharge safety protection method of the electronic detonator initiation controller according to claim 1, characterized in that: and a diode D2 is arranged on a charger ACCESS signal circuit ACCESS _ IN IN the P1 interface.
5. The charge-discharge safety protection method of the electronic detonator initiation controller according to claim 1, characterized in that: the terminals of the charging voltage output circuit POWER _ OUT in the P2 interface are respectively provided with a POWER supply POWER and a charger POWER supply voltage output control module POWER _ EN, and a triode Q3, a MOS tube Q2, a resistor R8 and a resistor R9 are arranged between the POWER supply and the charger POWER supply voltage output control module POWER _ EN.
6. The charge-discharge safety protection method of the electronic detonator initiation controller according to claim 1, characterized in that: the terminal of the charger ACCESS signal circuit ACCESS _ IN IN the P2 interface is respectively connected with a power supply VCC, a charger ACCESS module ACCESS _ ON and a ground wire GND, and a triode Q1, resistors R2, R3 and a diode D1 are arranged between the terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090938.7A CN112994141A (en) | 2021-01-22 | 2021-01-22 | Charging and discharging safety protection method for electronic detonator initiation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090938.7A CN112994141A (en) | 2021-01-22 | 2021-01-22 | Charging and discharging safety protection method for electronic detonator initiation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112994141A true CN112994141A (en) | 2021-06-18 |
Family
ID=76344668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110090938.7A Pending CN112994141A (en) | 2021-01-22 | 2021-01-22 | Charging and discharging safety protection method for electronic detonator initiation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112994141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838635A (en) * | 2022-05-23 | 2022-08-02 | 华东光电集成器件研究所 | Digital detonator detonation control interface overcurrent short-circuit protection circuit and control method |
-
2021
- 2021-01-22 CN CN202110090938.7A patent/CN112994141A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838635A (en) * | 2022-05-23 | 2022-08-02 | 华东光电集成器件研究所 | Digital detonator detonation control interface overcurrent short-circuit protection circuit and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8582275B2 (en) | Electronic detonator control chip | |
| CN203933124U (en) | A kind of single interface portable power source, bluetooth keyboard and protective sleeve | |
| CN203800642U (en) | Charging Po and charging system | |
| CN109194317B (en) | Reset circuit and wearable equipment | |
| US10090689B2 (en) | Overcurrent protection circuit and method for limiting discharge current of battery within safety limiting value | |
| CN107246828A (en) | A kind of electric detonator networking structure and control method | |
| CN114777587B (en) | Electronic detonator module with fault diagnosis function and detonation method thereof | |
| CN206251066U (en) | Chip reset circuit and electronic equipment | |
| WO2019174415A1 (en) | Charging circuit and electronic cigarette | |
| CN104967156A (en) | System capable of releasing overcurrent protection state of battery | |
| CN206684514U (en) | A kind of vehicle power control circuit | |
| CN106972569A (en) | Intelligent battery terminal, intelligent power terminal and its matching detection method | |
| CN107346912B (en) | Charging and discharging management integrated IC | |
| CN112994141A (en) | Charging and discharging safety protection method for electronic detonator initiation controller | |
| AU2009242842A1 (en) | An electronic detonator control chip | |
| CN204290423U (en) | Lithium battery charging circuit | |
| CN202949249U (en) | Charging device | |
| CN218678488U (en) | Charging circuit and electronic atomization device | |
| CN204425000U (en) | A kind of portable power source | |
| WO2022222439A1 (en) | Communication device and system, and communication method | |
| CN206293889U (en) | A kind of load short-circuit protection circuit | |
| CN113071345B (en) | Charging management system suitable for various standard chargers of electric bicycles | |
| CN209231746U (en) | A kind of safe lithium electricity storage control system switching control system | |
| CN114421577A (en) | Charging detection circuit, charging control circuit, charging circuit and charging seat | |
| CN203520090U (en) | Hand-held terminal hard switching circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |