CN208539607U - A kind of backup power source for movable police equipment - Google Patents
A kind of backup power source for movable police equipment Download PDFInfo
- Publication number
- CN208539607U CN208539607U CN201821084778.5U CN201821084778U CN208539607U CN 208539607 U CN208539607 U CN 208539607U CN 201821084778 U CN201821084778 U CN 201821084778U CN 208539607 U CN208539607 U CN 208539607U
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- China
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- power source
- backup power
- capacitor
- resistance
- shell
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model is a kind of backup power source for movable police equipment, uses ferric phosphate lithium cell B as rechargeable battery, and functional, the long-life when battery high-temperature, environmentally friendly and memory-less effect can high current 2C quick charge.Equipped with backup power source shell, switch S is housed on shell, the on-off as control acid lithium iron battery B and charging circuit and power supply circuit.The outside of backup power source shell is equipped with charging jacks C, charges to backup power source.Backup power source shell has voltmeter V, observes the charge condition of ferric phosphate lithium cell B at any time.Backup power source shell has fuse F, protects to ferric phosphate lithium cell B short circuit.There is ferric phosphate lithium cell B to overcharge in shell simultaneously, over-discharge protection circuit.Backup power source shell has 5V power supply to export V1, is used for law-enforcing recorder, shoulder lamp etc. using the police equipment of 5V power supply.Backup power source shell has 15V power supply to export V2, uses for the police intercom of 350M.
Description
Technical field
The utility model relates to a kind of backup power sources of movable police equipment.
Background technique
People's police will often use the police equipments such as law-enforcing recorder, shoulder lamp, police intercom when road surface is on duty.This is just
It is required that police equipment maintains electricity, make equipment in available mode.But as people's police handle the time used in different alerts difference,
Some used times are longer, and it is insufficient and cannot use often to will cause movable police equipment electric power, will cause communication it is unsmooth, should be by holding
Method recorder video recording evidence obtaining can not be collected evidence generation because of situations such as no electricity.
Summary of the invention
Technical problem to be solved in the utility model is the alternate power technologies for existing movable police equipment
Deficiency provides one kind securely and reliably, spare with that can be equipped with quick charge, safety and stability, the movable police ensured supply
Power supply.
Technical problem to be solved in the utility model is realized by technical solution below.The utility model is
A kind of backup power source for movable police equipment, its main feature is that: use ferric phosphate lithium cell B as rechargeable battery, the electricity
It is functional when the high temperature of pond, the long-life (cycle life reaches 2000 times or more), environmental protection and memory-less effect, can high current 2C it is fast
Speed charging, 1.5C charging can be such that battery is full of in 40 minutes under dedicated charger.Equipped with backup power source shell, filled on shell
There are switch S, switch S to connect with acid lithium iron battery B, the on-off as control acid lithium iron battery B and charging circuit and power supply circuit.
The outside of backup power source shell is equipped with charging jacks C, is charged by LiFePO4 list string charger to backup power source.Backup power source
Shell has voltmeter V, and the voltage of ferric phosphate lithium cell B is shown under switch S closed state, observes ferric phosphate lithium cell B at any time
Charge condition.Backup power source shell has fuse F, protects to ferric phosphate lithium cell B short circuit.There is ferric phosphate in shell simultaneously
Lithium battery B overcharges, over-discharge protection circuit.Backup power source shell has 5V power supply to export V1, for the use such as law-enforcing recorder, shoulder lamp
The police equipment of 5V power supply uses.Backup power source shell has 15V power supply to export V2, uses for the police intercom of 350M.
Technical problem to be solved in the utility model can also be further realized by technical solution below.With
In a kind of upper backup power source for movable police equipment: the protection circuit of the ferric phosphate lithium cell B is by protecting
Chip IC 1, resistance R1, resistance R2, capacitor C1, N-channel field effect transistor M1, N-channel field effect transistor M2 are constituted.
IC1 is persistently detected between cell voltage and CS and VSS between vdd and vss in normal operation
Voltage difference is charged and discharged to control.When cell voltage detects voltage 2.2v or more in over-discharge, and detection voltage is being overcharged
3.65v simultaneously turns on charge control with the M1 of M2 and control of discharge hereinafter, OC the and OD terminal of IC1 all exports high level,
Charging and discharging can be carried out freely.
During the charging process, when cell voltage overcharges detection voltage 3.65V, IC1 can charge closing control use
M2 (end OC), stop charging；During discharge, when cell voltage is lower than over-discharge detection voltage 2.2V, IC1 can be closed
The M1 (end OD) of control of discharge stops electric discharge.
For fuse F in ferric phosphate lithium cell B in accidental short circuit, quick fuse not only protects battery, but also can fire-proof
Accident occurs.
Technical problem to be solved in the utility model can also be further realized by technical solution below.With
In a kind of upper backup power source for movable police equipment: 5V power supply exports V1, is by synchronous rectified boost chip
IC2, resistance R4, resistance R5, resistance R6, resistance R10, capacitor C4, capacitor C5, capacitor C2, capacitor C11, inductance L1 are constituted.
1 foot of boost chip IC2 inputs 2.4v-4.5v, and 8 foot VO export 5v, and V1 has 5v output, for law-enforcing recorder,
Shoulder lamp etc. is used using the police equipment of 5V power supply.
Technical problem to be solved in the utility model can also be further realized by technical solution below.With
In a kind of upper backup power source for movable police equipment: 15V power supply exports V2, is by synchronous rectified boost chip
IC3, resistance R7, resistance R8, resistance R9, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, Schottky diode D6,
Inductance L2 is constituted.
8 feet of boost chip IC3 input 2.5v-3.65v, and changing R8 and R9 can make V2 export 15v, police for 350M
Intercom uses.
Compared with prior art, the utility model is novel, securely and reliably, has very strong practicability.
Detailed description of the invention
Fig. 1 is a kind of line construction schematic diagram of the utility model；
In figure: B is single string ferric phosphate battery；V is voltmeter；F glass tube fuse；V1 is the 5v output of USB interface；
V2 is 15v power output socket；C is charging socket；IC1 is ferric phosphate lithium cell super-charge super-discharge protection chip
Fig. 2 is a kind of shell schematic diagram of the utility model；
In figure: 1 is voltmeter V；2 be switch S；3 be insurance pipe insert seat；4 be charging socket C；5 be USB interface 5v output
V1；6 be 15v power output socket V2.
Specific embodiment
The specific technical solution of the utility model described further below, further in order to those skilled in the art
The utility model is understood, without constituting the limitation to its right.
Referring to Fig.1, a kind of backup power source for movable police equipment, uses ferric phosphate lithium cell B as chargeable electricity
Pond, functional, long-life (cycle life reaches 2000 times or more) when the battery high-temperature, environmental protection and memory-less effect, can be big
Electric current 2C quick charge, 1.5C charging can be such that battery is full of in 40 minutes under dedicated charger.Equipped with backup power source shell,
Switch S is housed, switch S connects with ferric phosphate lithium cell B, and backup power source shell has to battery charging hole C on backup power source shell.
The enclosed inside of backup power source shell has the overcharging of ferric phosphate lithium cell B, over-discharge protection circuit and battery short circuit protection device
F.The enclosed inside of backup power source shell has 5v and 15v two-way booster circuit.
The protection circuit of the ferric phosphate lithium cell B is by protection chip IC 1, resistance R1, resistance R2, capacitor C1, N-channel
Field effect transistor M1, N-channel field effect transistor M2 are constituted.
IC1 is persistently detected between cell voltage and CS and VSS between vdd and vss in normal operation
Voltage difference is charged and discharged to control.When cell voltage detects voltage 2.2v or more in over-discharge, and detection voltage is being overcharged
3.65v simultaneously turns on charge control with the M1 of M2 and control of discharge hereinafter, OC the and OD terminal of IC1 all exports high level,
Charging and discharging can be carried out freely.
During the charging process, when cell voltage overcharges detection voltage 3.65V, IC1 can charge closing control use
M2 (end OC), stop charging；During discharge, when cell voltage is lower than over-discharge detection voltage 2.2V, IC1 can be closed
The M1 (end OD) of control of discharge stops electric discharge.
For fuse F in ferric phosphate lithium cell B in accidental short circuit, quick fuse not only protects battery, but also can fire-proof
Accident occurs.
The 5V power supply exports V1, is by synchronous rectified boost chip IC 2, resistance R4, resistance R5, resistance R6, resistance
R10, capacitor C4, capacitor C5, capacitor C2, capacitor C11, inductance L1 are constituted.
1 foot of boost chip IC2 inputs 2.4v-4.5v, and 8 foot VO export 5v, and V1 has 5v output, for law-enforcing recorder,
Shoulder lamp etc. is used using the police equipment of 5V power supply.
The 15V power supply exports V2, is by synchronous rectified boost chip IC 3, resistance R7, resistance R8, resistance R9, capacitor
C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, Schottky diode D6, inductance L2 are constituted.
8 feet of boost chip IC3 input 2.5v-3.65v, and changing R8 and R9 can make V2 export 15v, police for 350M
Intercom uses.
Claims (3)
1. a kind of backup power source for movable police equipment, it is characterised in that: use ferric phosphate lithium cell B as chargeable electricity
Pond is equipped with backup power source shell, switch S is housed on backup power source shell, switch S connects with ferric phosphate lithium cell B, backup power source
The outside of shell is equipped with 5V and 15V voltage output, and the enclosed inside ferric phosphate lithium cell B super-charge super-discharge of backup power source shell is protected
Circuit, backup power source shell have anti-battery short-circuit protection fuse F；The circuit mainly includes battery protection chip IC1, boosting
Chip IC 2, boost chip IC3.
2. a kind of backup power source for movable police equipment according to claim 1, it is characterised in that: the protection electricity
The protection circuit for routing the ferric phosphate lithium cell B is by protection chip IC 1, resistance R1, resistance R2, capacitor C1, N-channel field effect
It is constituted with transistor M1, N-channel field effect transistor M2, IC1 is persistently detected between vdd and vss in normal operation
Cell voltage and CS and VSS between voltage difference, come control be charged and discharged, when cell voltage over-discharge detect voltage
2.2v or more, and detection voltage 3.65v is being overcharged hereinafter, OC the and OD terminal of IC1 all exports high level, make charge control M2
It being simultaneously turned on the M1 of control of discharge, charging and discharging can be carried out freely, during the charging process, once cell voltage is more than
When overcharging detection voltage 3.65V, the M2 of IC1 meeting charge closing control stops charging；During discharge, once battery is electric
It forces down when over-discharge detects voltage 2.2V, IC1 can close the M1 of control of discharge, stop electric discharge, fuse F is in LiFePO4 electricity
Pond B is in accidental short circuit, quick fuse, not only protects battery, but also can the generation of fire-proof accident.
3. a kind of backup power source for movable police equipment according to claim 1, it is characterised in that: booster circuit institute
State 5V power supply output V1, be by synchronous rectified boost chip IC 2, resistance R4, resistance R5, resistance R6, resistance R10, capacitor C4,
Capacitor C5, capacitor C2, capacitor C11, inductance L1 are constituted, and 1 foot of boost chip IC2 inputs 2.4v-4.5v, and 8 foot VO export 5v, V1
Have 5v output, used for law-enforcing recorder, shoulder lamp etc. using the police equipment of 5V power supply, the 15V power supply exports V2, be by
Synchronous rectified boost chip IC 3, resistance R7, resistance R8, resistance R9, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10,
Schottky diode D6, inductance L2 are constituted, and 8 feet of boost chip IC3 input 2.5v-3.65v, and changing R8 and R9 can make V2 defeated
15v out uses for the police intercom of 350M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084778.5U CN208539607U (en) | 2018-07-10 | 2018-07-10 | A kind of backup power source for movable police equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084778.5U CN208539607U (en) | 2018-07-10 | 2018-07-10 | A kind of backup power source for movable police equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539607U true CN208539607U (en) | 2019-02-22 |
Family
ID=65386970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821084778.5U Expired - Fee Related CN208539607U (en) | 2018-07-10 | 2018-07-10 | A kind of backup power source for movable police equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208539607U (en) |
-
2018
- 2018-07-10 CN CN201821084778.5U patent/CN208539607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |