CN113300452B - Bullet cabinet power control circuit - Google Patents
Bullet cabinet power control circuit Download PDFInfo
- Publication number
- CN113300452B CN113300452B CN202110359632.7A CN202110359632A CN113300452B CN 113300452 B CN113300452 B CN 113300452B CN 202110359632 A CN202110359632 A CN 202110359632A CN 113300452 B CN113300452 B CN 113300452B
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- circuit
- power supply
- external power
- switching
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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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
- H02J9/061—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 for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power supply control circuit of a gun and bullet cabinet, which comprises a master control circuit, a gun cabinet door lock state detection circuit, an external power supply circuit, a power supply switching circuit, a lithium battery charging circuit and a communication circuit, wherein the master control circuit is connected with the gun cabinet door lock state detection circuit; the gun cabinet door lock state detection circuit is used for detecting the switch states of a gun cabinet door and each gun lock, the external power supply circuit is used for converting alternating current mains supply into voltage required by each power utilization module, the lithium battery charging circuit is used for charging the lithium battery, the lithium battery is used for supplying power for each power utilization circuit when the voltage provided by the external power supply circuit is lower than the standard voltage of the lithium battery, and the power supply switching circuit is used for switching the power supply for the lithium battery after the voltage provided by the external power supply circuit is lower than the standard voltage used by each power utilization circuit. According to the invention, after the bullet cabinet door is locked, under the condition that the external power supply of the bullet cabinet is powered off, the internal battery supplies power, and when the voltage of the internal battery is too low, the internal battery is automatically charged through the external power supply, so that the normal work of the bullet cabinet is ensured.
Description
Technical Field
The invention relates to the technical field of bullet cabinets, in particular to a bullet cabinet power supply control circuit.
Background
The bullet cabinet specifically refers to the special safe deposit box of intelligent gun ammunition, and present bullet cabinet is the automation management system who organically combines technologies such as security protection, automation, database and warning, and the bullet cabinet is inside to be provided with automatically controlled formula rifle lock and electronic lock, and the power supply system of general bullet cabinet all adopts external power supply, but under the circumstances of external power outage, will cause the inside bullet management of bullet cabinet to be malfunctioning.
Disclosure of Invention
In order to solve the problems, the invention provides a power supply control circuit of a bullet cabinet, which can not only solve the problem that the bullet cabinet cannot be managed when the external power supply of the bullet cabinet is powered off, but also improve the problem that the power supply can be provided for the bullet cabinet for a long time under the condition that the external power supply is powered off.
The technical scheme of the invention is as follows:
the utility model provides a bullet cabinet power control circuit which characterized in that: the system comprises a main control circuit, a gun cabinet door lock state detection circuit, an external power supply circuit, a power supply switching circuit, a lithium battery charging circuit and a communication circuit; the gun cabinet door lock state detection circuit comprises a plurality of input ends and corresponding output ends, each input end is respectively connected with a gun cabinet door and a switch state relay of each gun lock, the corresponding output ends are respectively connected with a main control, the gun cabinet door lock state detection circuit is used for detecting the switch states of the gun cabinet door and each gun lock and transmitting state information to the main control, the main control transmits the state information to a background, the external power supply circuit is used for converting alternating current mains supply into voltage required by each power utilization module, the lithium battery is used for supplying power to each power utilization circuit when the voltage provided by the external power supply circuit is lower than the standard voltage of each power utilization module, the power supply switching circuit is used for supplying power to the lithium battery after the voltage provided by the external power supply circuit is lower than the standard voltage used by each power utilization circuit, and the communication circuit, and the main control unit is connected with the main control unit and is used for transmitting the information that the voltage provided by the external power supply circuit is lower than the standard voltage used by each circuit to the background alarm.
Preferably, the master control adopts a control chip with the model number of M051 and a peripheral circuit thereof.
Preferably, rifle cabinet lock state detection circuitry's each way all includes first photoelectric coupler, and the input of first photoelectric coupler is connected with the on-off relay of rifle cabinet lock for receive the on-off state of rifle cabinet door, and the output and the main control of first photoelectric coupler are connected, and the main control receives lock state information, and gives the backstage with state information transmission through communication circuit.
Further, the external power supply circuit includes a rectifier tube and a power supply detection circuitry, the output of external power supply circuit is connected to the input of rectifier tube, the output of rectifier tube is the output of external power supply circuit, power supply detection circuitry includes second optoelectronic coupler, and the input of external power supply circuit is connected to the input of second optoelectronic coupler, and the master control is connected to the output of second optoelectronic coupler.
Preferably, the power supply switching circuit comprises a switching tube and a switching relay for switching and connecting the power supply, the control end of the switching tube is connected with the main control, the output end of the switching tube is connected with a coil of the switching relay, and a static contact and a movable contact of the switching relay are respectively connected with the output end of the external power supply circuit or the output end of the lithium battery circuit.
Further, the switching relay adopts a relay with the model number of HK14F-DC12V-SHG 1C, wherein 4 pins of the relay are connected with the output end of the switching tube, and 1 pin and 5 pins of the relay are respectively connected with the output end of an external power supply circuit or the output end of a lithium battery circuit.
Further, the lithium battery charging circuit comprises a power management chip with the model number of CN3763 and a peripheral circuit thereof.
Further, the communication circuit adopts an RS485 communication module.
The invention has the beneficial effects that: according to the invention, after the bullet cabinet door is locked, and under the condition that the external power supply of the bullet cabinet is powered off, the internal battery supplies power, and when the voltage of the internal battery is too low, the internal battery is automatically charged through the external power supply, so that the normal work of the bullet cabinet is ensured.
Drawings
FIG. 1 is a circuit for detecting the status of a cabinet door and a gun lock according to an embodiment of the present invention;
FIG. 2 is an external power circuit according to an embodiment of the present invention;
FIG. 3 is a power switching circuit according to an embodiment of the present invention;
FIG. 4 is a lithium battery charging circuit according to an embodiment of the present invention;
fig. 5 is a communication circuit according to an embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the features of the following embodiments and examples may be combined with each other without conflict.
A power supply control circuit of a gun and bullet cabinet comprises a main control circuit, a gun cabinet door lock state detection circuit, an external power supply circuit, a power supply switching circuit, a lithium battery charging circuit and a communication circuit; the gun cabinet door lock state detection circuit comprises a plurality of input ends and corresponding output ends, each input end is respectively connected with a gun cabinet door and a switch state relay of each gun lock, the corresponding output ends are respectively connected with a main control, the gun cabinet door lock state detection circuit is used for detecting the switch states of the gun cabinet door and each gun lock and transmitting state information to the main control, the main control transmits the state information to a background, the external power supply circuit is used for converting alternating current mains supply into voltage required by each power utilization module, the lithium battery is used for supplying power to each power utilization circuit when the voltage provided by the external power supply circuit is lower than the standard voltage of each power utilization module, the power supply switching circuit is used for supplying power to the lithium battery after the voltage provided by the external power supply circuit is lower than the standard voltage used by each power utilization circuit, and the communication circuit, and the main control unit is connected with the main control unit and is used for transmitting the information that the voltage provided by the external power supply circuit is lower than the standard voltage used by each circuit to the background alarm.
The master control adopts a control chip with the model number of M051 and a peripheral circuit thereof.
As shown in fig. 1, 3 circuits of the cabinet door and the gun lock state detection circuit are listed here, the circuit structures of the cabinet door and the gun lock state detection circuit can be the same, one circuit is listed here for explanation, the circuit comprises a first resistor R21, a second resistor R22, a third resistor R23 and a first photocoupler U6, an on-off signal in a circuit of the cabinet door or the gun lock is collected through a relay during detection, J4-J6 in the figure is a connecting terminal, the relay is connected with a first end of the third resistor R23 through the connecting terminal, a second end of the third resistor R23 and a first end of the first resistor R21 are connected with an output end of a 12V power supply, a first end of the third resistor R23de and a second end of the first resistor R21 are respectively connected with two ends of a diode of the first photocoupler, an output end X3-1 of the first photocoupler is connected with a main control chip, the main control chip receives the on-off signal, and transmits a signal capable of representing information of the on-off state of the gun lock to a background through a communication circuit, similarly, the detection circuits with the same structure are connected with the output ends of the similar photoelectric couplers and are respectively connected with the main control chip.
As shown in fig. 2, external power supply circuit includes a rectifier tube U10 and a power supply detection circuitry 1, the input of rectifier tube connects external power supply's output after through a plurality of resistance, the output of rectifier tube is external power supply circuit's output, because external power supply connects be outside alternating current, be direct current 12V direct current output with the alternating current rectification through external power supply circuit, power supply detection circuitry 21 includes second optoelectronic coupler U11, and external power supply's input is connected to second optoelectronic coupler U11's input, and main control chip is connected to second optoelectronic coupler's output, and when external power supply outage or voltage were crossed lowly, can give the master control with outage signal or the too low signal transmission of voltage, switch over to the lithium cell power supply by main control power supply.
Specifically, as shown in fig. 3, the power supply switching circuit 3 includes a switching tube and a switching relay K3 for switching and connecting the power supply, the switching tube is an NPN type triode, as shown in fig. 3 as Q6, a base of the triode is connected to the main control chip, a collector of the triode is connected to a coil of the switching relay, and a stationary contact and a moving contact of the switching relay are respectively connected to an output terminal of the external power supply circuit or an output terminal of the lithium battery circuit.
The switching relay adopts a relay with the model number of HK14F-DC12V-SHG 1C, wherein 4 pins of the relay are connected with the output end of the switching tube, and 1 pin and 5 pins of the relay are respectively connected with the output end of an external power supply circuit or the output end of a lithium battery circuit.
When the external power supply circuit is disconnected, the main control chip outputs a control signal to the switching tube to switch on or off the switching tube, and then the switching relay K3 selects whether the pin 1 is switched on or the pin 5 is switched on, so that the switching of the power supply circuit is realized.
As shown in fig. 4, the lithium battery charging circuit 4 includes a power management chip with a model of CN3763 and peripheral circuits thereof, wherein the lithium battery is a three-section lithium battery, an output end of the lithium battery charging circuit is further connected with an electric quantity detection circuit 41, an output end of the electric quantity detection circuit 41 is connected with a main control chip, and the main control chip detects electric quantity of the lithium battery in real time and transmits the electric quantity information to the background through a communication circuit.
As shown in fig. 5, the communication circuit 5 adopts an RS485 communication module, but is not limited to the communication module, and the communication circuit can transmit the cabinet door and lock state information acquired by the main control to the background for the background to check monitoring or alarm, and can also transmit the electric quantity information of the lithium battery or the power supply information of the external power supply to the background for the background to check or send.
The above embodiments are merely representative of the centralized embodiments of the present invention, and the description thereof is specific and detailed, but it should not be understood as the limitation of the scope of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the spirit of the present invention, and these changes and modifications all fall into the protection scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (6)
1. The utility model provides a bullet cabinet power control circuit which characterized in that: the system comprises a main control circuit, a gun cabinet door lock state detection circuit, an external power supply circuit, a power supply switching circuit, a lithium battery charging circuit and a communication circuit; the gun cabinet door lock state detection circuit comprises a plurality of input ends and corresponding output ends, each input end is respectively connected with a gun cabinet door and a switch state relay of each gun lock, the corresponding output ends are respectively connected with a main control, the gun cabinet door lock state detection circuit is used for detecting the switch states of the gun cabinet door and each gun lock and transmitting state information to the main control, the main control transmits the state information to a background, the external power supply circuit is used for converting alternating current mains supply into voltage required by each power utilization module, the lithium battery is used for supplying power to each power utilization circuit when the voltage provided by the external power supply circuit is lower than the standard voltage of each power utilization module, the power supply switching circuit is used for supplying power to the lithium battery after the voltage provided by the external power supply circuit is lower than the standard voltage used by each power utilization circuit, and the communication circuit, the main control unit is connected with the main control unit and is used for transmitting information that the voltage provided by the external power supply circuit is lower than the standard voltage used by each circuit to the background alarm;
the external power supply circuit comprises a rectifier tube and a power supply detection circuit, the input end of the rectifier tube is connected with the output end of the external power supply circuit, the output end of the rectifier tube is the output end of the external power supply circuit, the power supply detection circuit comprises a second photoelectric coupler, the input end of the second photoelectric coupler is connected with the input end of the external power supply circuit, and the output end of the second photoelectric coupler is connected with the master control;
the power supply switching circuit comprises a switching tube and a switching relay for switching and connecting a power supply, the control end of the switching tube is connected with the master control, the output end of the switching tube is connected with a coil of the switching relay, and a static contact and a movable contact of the switching relay are respectively connected with the output end of an external power supply circuit or the output end of a lithium battery circuit.
2. The bullet cabinet power control circuit of claim 1 wherein: the master control adopts a control chip with the model number of M051 and a peripheral circuit thereof.
3. The bullet cabinet power control circuit of claim 1 wherein: each way of rifle cabinet lock state detection circuitry all includes first photoelectric coupler, and the input of first photoelectric coupler is connected with the on-off relay of rifle cabinet lock for receive the on-off state of rifle cabinet door, the output and the main control of first photoelectric coupler are connected, and lock state information is received in the main control, and gives the backstage with state information transmission through communication circuit.
4. The bullet cabinet power control circuit of claim 1 wherein: the switching relay adopts a relay with the model number of HK14F-DC12V-SHG 1C, wherein 4 pins of the relay are connected with the output end of the switching tube, and 1 pin and 5 pins of the relay are respectively connected with the output end of an external power supply circuit or the output end of a lithium battery circuit.
5. The bullet cabinet power control circuit of claim 1 wherein: the lithium battery charging circuit comprises a power management chip with the model number of CN3763 and a peripheral circuit thereof.
6. The bullet cabinet power control circuit of claim 1 wherein: and the communication circuit adopts an RS485 communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359632.7A CN113300452B (en) | 2021-04-02 | 2021-04-02 | Bullet cabinet power control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359632.7A CN113300452B (en) | 2021-04-02 | 2021-04-02 | Bullet cabinet power control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN113300452A CN113300452A (en) | 2021-08-24 |
| CN113300452B true CN113300452B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110359632.7A Active CN113300452B (en) | 2021-04-02 | 2021-04-02 | Bullet cabinet power control circuit |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7379305B2 (en) * | 2004-01-23 | 2008-05-27 | American Power Conversion Corporation | Modular UPS |
| CN202308648U (en) * | 2011-11-09 | 2012-07-04 | 金陵科技学院 | Infrared intelligent socket being able to realize automatic on-off of power |
| CN103728887B (en) * | 2012-10-10 | 2016-03-16 | 天津赛思科技发展有限公司 | A kind of controller for preventing illegal use of electricity |
| CN206079725U (en) * | 2016-07-01 | 2017-04-12 | 中安创科（深圳）技术有限公司 | Intelligence rifle cabinet |
| CN106066619A (en) * | 2016-08-16 | 2016-11-02 | 惠州市耐利普科技有限公司 | A kind of intelligent switch controller of band electrical parameters detection |
| CN207382047U (en) * | 2017-10-17 | 2018-05-18 | 河北师范大学 | Power-down detection and main-standby power switching system in smart home system |
| CN108378594A (en) * | 2018-04-25 | 2018-08-10 | 长春鸿达光电子与生物统计识别技术有限公司 | A kind of intelligence arms locker main control unit method and device |
| CN110051146A (en) * | 2019-04-24 | 2019-07-26 | 江西远大保险设备实业集团有限公司 | A kind of bullet cabinet of alternate power technologies and preparation method thereof |
| CN210864912U (en) * | 2020-02-20 | 2020-06-26 | 苏宁云计算有限公司 | Power supply circuit of intelligent container |
| CN111404263B (en) * | 2020-04-29 | 2025-01-17 | 重庆步航科技有限公司 | Intelligent power management system |
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Denomination of invention: A Power Control Circuit for Gun Ammunition Cabinet Effective date of registration: 20231016 Granted publication date: 20220809 Pledgee: Bank of Jiangsu Limited by Share Ltd. Shenzhen branch Pledgor: ZHONGAN CHUANGKE (SHENZHEN) TECHNOLOGY CO.,LTD. Registration number: Y2023980061338 |
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