CN109617225B - Automatic power supply re-energizing device for mine - Google Patents
Automatic power supply re-energizing device for mine Download PDFInfo
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- CN109617225B CN109617225B CN201811549369.2A CN201811549369A CN109617225B CN 109617225 B CN109617225 B CN 109617225B CN 201811549369 A CN201811549369 A CN 201811549369A CN 109617225 B CN109617225 B CN 109617225B
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- triode
- relay
- charging
- power supply
- coupling tube
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- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- 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
- H02J7/00306—Overdischarge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an automatic power restoration device for a mining power supply, which comprises a rectification module, a magnetic latching relay, an STC singlechip, an infrared remote control receiving module, a nickel-metal hydride battery pack, a charging relay, a charging pulse circuit, a photoelectric coupling tube Q4, a triode Q3, a triode Q5, a triode Q6, a triode Q7, a resistor R1 and a capacitor C1. The self-resetting technology has extremely high switching speed and stable and reliable work. The invention thoroughly solves the defects of low battery voltage, poor switching reliability and the like in the later stage of discharging the battery pack.
Description
Technical Field
The invention relates to an automatic power supply re-electrifying device for a mine, and belongs to the technical field of mine equipment.
Background
The underground mining of the mine is not separated from the safety monitoring equipment, and the monitoring equipment must be powered by a power supply. The backup battery management is an important link, and in order to keep the activity of the battery, the battery needs to be charged and discharged periodically for maintenance. In the discharging maintenance process, when the voltage is too low, the discharging is stopped at a proper time, the alternating current power supply is automatically recovered, and the battery is automatically started to charge, so that the normal operation of the monitoring equipment is ensured, and the technology is the mining power supply automatic re-electricity technology. The method for discharging the nickel-hydrogen battery periodically can effectively eliminate and reduce the inherent memory effect of the battery, so that the capacity of the nickel-hydrogen battery is maintained at the standard capacity, and the service life of the battery is prolonged.
Disclosure of Invention
The invention aims to provide an automatic power recovery device for a mining power supply, which solves the technical problems that the switching process is slow in the automatic recovery alternating current power supply process, the battery voltage is low in the later stage of battery pack discharge, the switching reliability is poor and the like in the existing self-recovery technology.
The aim of the invention is realized by the following technical scheme:
the utility model provides a mining power supply automatic power restoration device, including rectifier module 1, magnetism keep relay 2, STC singlechip 3, infrared remote control receiving module 4, nickel-hydrogen battery 5, charging relay 6, charging pulse circuit 7, photoelectric coupling tube Q4, triode Q3, triode Q5, triode Q6, triode Q7, resistance R1, electric capacity C1, rectifier module 1's input termination alternating current power supply, rectifier module 1's output export this ampere of power after the contact of magnetism keep relay 2, infrared remote control receiving module 4 receives infrared remote control signal and links to each other with STC singlechip 3, rectifier module 1's output links to each other with STC singlechip 3 and is its power supply, STC singlechip 3 output magnetism keep relay off signal links to each other with triode Q7's base, STC singlechip 3 output magnetism keep relay actuation signal and triode Q6's base links to each other, triode Q6, triode Q7's collecting electrode links to each other with magnetism keep relay 2's attracting coil, disconnected coil one end, the end links to each other, the end of magnetism keep relay 2's the relay 2 is the end of the relay that keeps the coil is connected with STC singlechip 6, the positive contact of charging pulse circuit 6, the end that the end is connected with STC singlechip 3, the triode Q6 is that the charging pulse relay 6 is connected with the charging pulse circuit 3, the positive contact of the triode Q6, the end that the output end of rectifier module 1 is connected with STC singlechip 3 is the charging pulse relay 3, the positive contact of the charging pulse 6, the charging pulse circuit 5, the end that the charging pulse 6 is connected with the charging pulse 6, the triode Q6 that the charging end is connected with the charging pulse 6, the charging coil is the 6, the charging end that the charging pulse 6 is the charging pulse 6, the charging end that the charging relay 6 is the charging pulse 6, and the charging pulse 6 is the charging end, the end 3 is normally open, the voltage signal and the temperature signal of the nickel-metal hydride battery pack 5 are transmitted to the STC single chip microcomputer 3, the photoelectric triode collector of the photoelectric coupling tube Q4 is connected with the triode Q6 collector, the photoelectric triode emitter of the photoelectric coupling tube Q4 is grounded, the two ends of the coil of the charging relay 6 are connected with the two ends of the light emitting diode of the photoelectric coupling tube Q4, the collector of the triode Q3 is connected with the anode of the light emitting diode of the photoelectric coupling tube Q4, the emitter of the triode Q3 is grounded, the base of the triode Q3 is connected with the charging relay control signal sent by the STC single chip microcomputer 3, one end of the resistor R1 is connected with the light emitting diode cathode of the photoelectric coupling tube Q4, the other end of the resistor R1 is connected with the anode of the nickel-metal hydride battery pack 5, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the light emitting diode cathode of the photoelectric coupling tube Q4.
Compared with the prior art, the invention has the beneficial effects that: the invention uses the magnetic latching relay device, has no power loss during operation, can self-lock the working state and has small switching power. The novel self-reset technology is innovatively developed, and the switching action is completed instantaneously. The defect that the switching reliability is poor due to low battery voltage in the later discharging period of the battery pack is thoroughly overcome.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in figure 1, the mining power supply automatic power recovery device comprises a rectifying module 1, a magnetic latching relay 2, an STC single chip microcomputer 3, an infrared remote control receiving module 4, a nickel-hydrogen battery pack 5, a charging relay 6, a charging pulse circuit 7, a photoelectric coupling tube Q4, a triode Q3, a triode Q5, a triode Q6, a triode Q7, a resistor R1 and a capacitor C1, wherein the input end of the rectifying module 1 is connected with an alternating current power supply, the output end of the rectifying module 1 outputs an intrinsic safety power supply after passing through a contact of the magnetic latching relay 2, the infrared remote control receiving module 4 receives an infrared remote control signal and is connected with the STC single chip microcomputer 3, the output end of the rectifying module 1 is connected with the STC single chip microcomputer 3 to supply power, the STC single chip microcomputer 3 outputs a magnetic latching relay breaking signal to be connected with the base electrode of the triode Q7, the STC single chip microcomputer 3 outputs a magnetic latching relay sucking signal to be connected with the base electrode of the triode Q6, the collector of the triode Q6 and the collector of the triode Q7 are respectively connected with one end of the attracting coil and one end of the disconnecting coil of the magnetic latching relay 2, the other end of the attracting coil and the other end of the disconnecting coil of the magnetic latching relay 2 are connected with the output end of the rectifying module 1, the emitter of the triode Q6 and the emitter of the triode Q7 are grounded, the base of the triode Q5 is connected with the STC singlechip 3 and receives charging pulse sent by the STC singlechip 3, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected with the input end of the charging pulse circuit 7, the output end of the charging pulse circuit 7 is connected with the contact No. 1 end of the charging relay 6, the contact No. 2 end of the charging relay 6 outputs an intrinsic safety power supply, the contact No. 3 end of the charging relay 6 is connected with the positive electrode of the nickel-hydrogen battery pack 5, normally closed between the contact No. 1 end and the contact No. 3 end of the charging relay 6, the end 3 is normally open, the voltage signal and the temperature signal of the nickel-metal hydride battery pack 5 are transmitted to the STC single chip microcomputer 3, the photoelectric triode collector of the photoelectric coupling tube Q4 is connected with the triode Q6 collector, the photoelectric triode emitter of the photoelectric coupling tube Q4 is grounded, the two ends of the coil of the charging relay 6 are connected with the two ends of the light emitting diode of the photoelectric coupling tube Q4, the collector of the triode Q3 is connected with the anode of the light emitting diode of the photoelectric coupling tube Q4, the emitter of the triode Q3 is grounded, the base of the triode Q3 is connected with the charging relay control signal sent by the STC single chip microcomputer 3, one end of the resistor R1 is connected with the light emitting diode cathode of the photoelectric coupling tube Q4, the other end of the resistor R1 is connected with the anode of the nickel-metal hydride battery pack 5, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the light emitting diode cathode of the photoelectric coupling tube Q4.
The automatic power recovery device of the mining power supply is characterized in that an STC single chip microcomputer 3 detects battery voltage, battery temperature and battery current, and a load is switched to be powered by alternating current or battery according to an infrared remote control instruction.
When the battery maintenance mode is entered, the deep discharge of the battery needs to be controlled, firstly, the remote controller sends a command to turn off the alternating current power supply, and the load is automatically switched to the battery power supply. When the discharging voltage of the battery reaches a preset value (such as 20V), the discharging protection of the battery is triggered, the STC singlechip 3 controls the charging relay 6 to release and stop discharging, and the power supply mode of the battery for the load is switched back to the charging mode of the battery. Since the normal operation of the safety monitoring device is very important for underground safety, the power supply of the safety monitoring device is not allowed to be interrupted, and seamless switching is required when the power supply mode is switched, otherwise, safety accidents can be caused. This is not possible with the prior art. In the invention, when the charging relay 6 releases, the reverse induction voltage generated by the inductance coil of the relay turns on the photoelectric coupling tube Q4 to trigger the closing coil of the magnetic latching relay to work, and the magnetic latching relay is electrified, and the contact is conducted and is switched to an alternating current power supply state. This switching operation is completed in a moment, which is the self-reset function. The switching speed is extremely high, the operation is stable and reliable, the pulse triggering completely meets the working requirement of the magnetic latching relay, and meanwhile, the magnetic latching relay is selected and used, so that no power is consumed no matter what stable state the relay is in, the energy is only required at the switching moment, the working efficiency of the battery is greatly improved, and the consumption is reduced. The defect that the switching reliability is poor due to low battery voltage in the later discharging period of the battery pack is overcome.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (1)
1. The automatic power restoration device for the mining power supply is characterized by comprising a rectification module, a magnetic latching relay, an STC single chip microcomputer, an infrared remote control receiving module, a nickel-hydrogen battery pack, a charging relay, a charging pulse circuit, a photoelectric coupling tube Q4, a triode Q3, a triode Q5, a triode Q6, a triode Q7, a resistor R1 and a capacitor C1, wherein the input end of the rectification module is connected with an alternating current power supply, the output end of the rectification module outputs an intrinsic safety power supply after passing through the contact of the magnetic latching relay, the infrared remote control receiving module receives an infrared remote control signal and is connected with the STC single chip microcomputer, the output end of the rectification module is connected with the STC single chip microcomputer to supply power to the STC single chip microcomputer, the STC single chip microcomputer outputs a magnetic latching relay disconnection signal to be connected with the base electrode of the triode Q7, the STC single chip microcomputer outputs a magnetic latching relay attraction signal to be connected with the base electrode of the triode Q6, the collector of the triode Q6 and the collector of the triode Q7 are respectively connected with one end of a suction coil and one end of a breaking coil of the magnetic latching relay, the other end of the suction coil and the other end of the breaking coil of the magnetic latching relay are connected with the output end of the rectifying module, the emitter of the triode Q6 and the emitter of the triode Q7 are grounded, the base of the triode Q5 is connected with the STC singlechip and receives charging pulse sent by the STC singlechip, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected with the input end of a charging pulse circuit, the output end of the charging pulse circuit is connected with the contact No. 1 end of the charging relay, the contact No. 2 end of the charging relay outputs intrinsic safety power supply, the contact No. 3 end of the charging relay is connected with the positive electrode of the nickel-hydrogen battery pack, the contact No. 1 end and the contact No. 3 end of the charging relay are normally closed, the contact No. 2 end and the contact No. 3 end of the charging relay are normally open, the voltage signal of the nickel-hydrogen battery pack is normally open, the temperature signal is transmitted to the STC singlechip, the collector electrode of the photoelectric triode of the photoelectric coupling tube Q4 is connected with the collector electrode of the triode Q6, the emitter electrode of the photoelectric triode of the photoelectric coupling tube Q4 is grounded, the two ends of a coil of the charging relay are connected with the two ends of a light emitting diode of the photoelectric coupling tube Q4, the collector electrode of the triode Q3 is connected with the anode electrode of the light emitting diode of the photoelectric coupling tube Q4, the emitter electrode of the triode Q3 is grounded, the base electrode of the triode Q3 is connected with a charging relay control signal sent by the STC singlechip, one end of the resistor R1 is connected with the cathode electrode of the light emitting diode of the photoelectric coupling tube Q4, the other end of the resistor R1 is connected with the anode electrode of the nickel-hydrogen battery pack, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the cathode electrode of the light emitting diode of the photoelectric coupling tube Q4; when the discharging voltage of the battery reaches a preset value, triggering the discharging protection of the battery, controlling the charging relay to release and stop discharging by the STC singlechip, switching the power supply mode of the load by the battery back to the charging mode of the battery, and switching on the photoelectric coupling tube Q4 by the reverse induced voltage generated by the inductance coil of the relay at the moment of releasing the charging relay, triggering the closing coil of the magnetic latching relay to work, powering on the magnetic latching relay, switching the contact to an alternating current power supply state, wherein the switching operation is completed at one moment, namely the self-reset function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549369.2A CN109617225B (en) | 2018-12-18 | 2018-12-18 | Automatic power supply re-energizing device for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549369.2A CN109617225B (en) | 2018-12-18 | 2018-12-18 | Automatic power supply re-energizing device for mine |
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| Publication Number | Publication Date |
|---|---|
| CN109617225A CN109617225A (en) | 2019-04-12 |
| CN109617225B true CN109617225B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549369.2A Active CN109617225B (en) | 2018-12-18 | 2018-12-18 | Automatic power supply re-energizing device for mine |
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| CN (1) | CN109617225B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571880B (en) * | 2019-09-03 | 2023-09-26 | 深圳力维智联技术有限公司 | Power supply monitoring method and system of monitoring system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719687A (en) * | 2010-01-15 | 2010-06-02 | 山东高效能服务器和存储研究院 | Uninterrupted direct current (DC) power supply system |
| CN204131213U (en) * | 2014-08-01 | 2015-01-28 | 科立讯通信股份有限公司 | A kind of circuit realizing communication equipment main power supply and take over seamlessly |
| CN104466892A (en) * | 2014-12-25 | 2015-03-25 | 丁柳信 | Laboratory power supply protection device |
| CN206099396U (en) * | 2016-08-26 | 2017-04-12 | 李璐羽 | Automatic control circuit who changes over to charged state over to behind battery discharge |
-
2018
- 2018-12-18 CN CN201811549369.2A patent/CN109617225B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719687A (en) * | 2010-01-15 | 2010-06-02 | 山东高效能服务器和存储研究院 | Uninterrupted direct current (DC) power supply system |
| CN204131213U (en) * | 2014-08-01 | 2015-01-28 | 科立讯通信股份有限公司 | A kind of circuit realizing communication equipment main power supply and take over seamlessly |
| CN104466892A (en) * | 2014-12-25 | 2015-03-25 | 丁柳信 | Laboratory power supply protection device |
| CN206099396U (en) * | 2016-08-26 | 2017-04-12 | 李璐羽 | Automatic control circuit who changes over to charged state over to behind battery discharge |
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| Publication number | Publication date |
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| CN109617225A (en) | 2019-04-12 |
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