CN208291148U - A kind of power-supply controller of electric for police car warning lamp - Google Patents
A kind of power-supply controller of electric for police car warning lamp Download PDFInfo
- Publication number
- CN208291148U CN208291148U CN201820437205.XU CN201820437205U CN208291148U CN 208291148 U CN208291148 U CN 208291148U CN 201820437205 U CN201820437205 U CN 201820437205U CN 208291148 U CN208291148 U CN 208291148U
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- China
- Prior art keywords
- warning lamp
- power source
- contact
- backup power
- electromagnetic relay
- 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.)
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Abstract
The utility model is a kind of power-supply controller of electric for police car warning lamp, equipped with controller housing, it is switched on controller housing equipped with warning lamp, warning lamp switch is connected with warning lamp, and backup power source is equipped with outside controller housing, power supply switch circuit is housed inside controller housing, power supply switch circuit is connected with police car power supply and backup power source, it is parallel with the control circuit for preventing overdischarge on backup power source, electromagnetic relay T2 is connected in control circuit, electromagnetic relay T2 is equipped with control switch and connects with warning lamp；Power supply switch circuit mainly includes electromagnetic relay T1, and electromagnetic relay T1 is equipped with electromagnetic coil and the first contact change-over switch and the second contact change-over switch, electromagnetic coil input terminal are connected with police car positive pole；Second normally opened stationary contact is connected with police car positive pole, and the second movable contact is connected by control switch with warning lamp, and the first movable contact police car positive pole is connected, and the first normally opened stationary contact is connected with backup power source anode, and the second normally closed stationary contact is connected with backup power source anode.
Description
Technical field
The utility model relates to a kind of power-supply controller of electric, especially a kind of power-supply controller of electric for police car warning lamp.
Background technique
Police car is often parked in road surface when road surface is on duty by traffic police, and to keep warning lamp to flash, and is warned on road
Vehicle and pedestrian.This requires police cars to stop working, and car key cannot be pulled up, and car door cannot lock.When people's police get off on duty, vehicle
It is interior nobody, not only waste gasoline in this way, but also easily cause component wear, while there is also security risk, to cruelly probably molecule it can be multiplied
Machine.If the flame-out still bright warning lamp for a long time of police car, police car starting storage battery can burst electricity, will cause police car and do not start.
Summary of the invention
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of safe and reliable, tool
There is the power-supply controller of electric for police car warning lamp of power supply handoff functionality.
Technical problem to be solved in the utility model is realized by technical solution below.The utility model is
A kind of power-supply controller of electric for police car warning lamp, its main feature is that: it is equipped with controller housing, is switched on controller housing equipped with warning lamp
S, warning lamp switch S connect with warning lamp H, and the outside of controller housing is equipped with backup power source G, and the enclosed inside of controller housing has electricity
Source switching circuit, power supply switch circuit are connected with police car ACC power supply and backup power source G, be parallel on backup power source G prevent it is spare
The control circuit of power supply G overdischarge, electromagnetic relay T2 is connected in control circuit, and electromagnetic relay T2 is equipped with one group of control and opens
It closes, the control switch is connected with warning lamp H, controls the on-off between backup power source G and warning lamp H；The power supply switch circuit master
To include electromagnetic relay T1, the electromagnetic relay T1 be equipped with electromagnetic coil and controlled by the magnetic synchronous of electromagnetic coil the
One contact change-over switch and the second contact change-over switch, the input terminal of the electromagnetic coil pass through signal wire and police car ACC power supply
Anode be connected, output end ground connection, first contact change-over switch by the first movable contact, the first normally closed stationary contact and first often
Stationary contact composition is opened, the second contact change-over switch is by the second movable contact, the second normally closed stationary contact and the second normally opened stationary contact
It constitutes；Above-mentioned second normally opened stationary contact is connected by signal wire with the anode of police car ACC power supply, the second movable contact pass through electromagnetism after
Control switch set by electric appliance T2 is connected with warning lamp H, and the first movable contact is connected by signal wire with the anode of police car ACC power supply, the
One normally opened stationary contact is connected by signal wire with the anode of backup power source G, and the second normally closed stationary contact passes through signal wire and standby electricity
The anode of source G is connected.
Technical problem to be solved in the utility model can also be further realized by technical solution below.With
In a kind of upper power-supply controller of electric for police car warning lamp: the control circuit is by operational amplifier, diode D1, two poles
Pipe D2, variable resistance R1, divider resistance R2, divider resistance R3 and triode Q are constituted；
The anode of diode D1 is connected with the anode of backup power source, and the cathode of diode D1 and the VCC of operational amplifier draw
Foot is connected；The anode of diode D2 is connected with the cathode of backup power source G, the cathode of diode D2 and the IN(+ of operational amplifier)
Pin is connected；The R of variable resistance R1HEnd is connected with the VCC pin of operational amplifier, the R of variable resistance R1LEnd and operation amplifier
The GND pin of device is connected, the R of variable resistance R1WEnd is connected with the IN(- of operational amplifier) pin；The anode of divider resistance R2
It is connected with the OUT pin of operational amplifier, the cathode of divider resistance R2 is connected with the base stage of triode Q；Divider resistance R3 is just
The IN(+ of pole and operational amplifier) pin is connected, and the cathode of divider resistance R3 is connected with the VCC pin of operational amplifier；Three poles
The emitter of pipe Q is connected with the cathode of backup power source G, the coil output phase of the collector and electromagnetic relay T2 of triode Q
Even, the coil input end of electromagnetic relay T2 is connected with the VCC pin of operational amplifier；Control switch set by electromagnetic relay T2
It is made of a movable contact X, a normally opened contact Y and a normally-closed contact Z, movable contact X passes through signal wire and electromagnetic relay
The second movable contact of T1 is connected, and normally-closed contact Z is connected by signal wire with warning lamp H, realizes and moves to the second of electromagnetic relay T1
The control of connecting and disconnecting of the circuit between contact and warning lamp H, when movable contact X gets to normally-closed contact Z, backup power source G is pressed in height
Power mode is powered warning lamp H, and when movable contact X gets to normally opened contact Y, backup power source G is in low-voltage power-off mode to police
Lamp H stops power supply, prevents backup power source G overdischarge.
Technical problem to be solved in the utility model can also be further realized by technical solution below.With
In a kind of upper power-supply controller of electric for police car warning lamp: being parallel with vehicle-mounted image delivering system on warning lamp H.
The utility model with electromagnetic relay T1 and by way of being designed into that there is two groups of contact change-overs switch,
By special connection circuit, realize the flame-out rear warning lamp of police car by police car ACC power supply after backup power source power supply, police car starting to standby
It is powered with power supply and warning lamp, still bright warning lamp exhausts police car ACC power supply police car is caused not start for a long time after preventing police car flame-out；
Control circuit and electromagnetic relay T2 by the way that backup power source is arranged utilize electromagnetic relay T2 by special circuit design
Set control switch realizes two kinds of operating modes of backup power source electrion and low-voltage power-off, prevents backup power source overdischarge,
Extend backup power source service life.Compared with prior art, the utility model is novel, securely and reliably, has very strong reality
The property used.
Detailed description of the invention
Fig. 1 is a kind of line construction schematic diagram of the utility model；
In figure: 1, the first normally closed stationary contact；2, the second normally closed stationary contact；3, the first normally opened stationary contact；4, second is normally opened quiet
Contact；5, the first movable contact；6, the second movable contact；7, the electromagnetic coil output end of electromagnetic relay T1；8, electromagnetic relay T1
Electromagnetic coil input terminal；9, the coil input end of electromagnetic relay T2；10, the coil output of electromagnetic relay T2；11, vehicle
Carry image delivering system.
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 power-supply controller of electric for police car warning lamp is equipped with controller housing, is equipped on controller housing
Warning lamp switch S, warning lamp switch S connect with warning lamp H, and the outside of controller housing is equipped with backup power source G, the inside of controller housing
It is packaged with power supply switch circuit, power supply switch circuit is connected with police car ACC power supply and backup power source G, is parallel on backup power source G
The control circuit of backup power source G overdischarge is prevented, electromagnetic relay T2 is connected in control circuit, electromagnetic relay T2 is equipped with one
Group control switch, the control switch are connected with warning lamp H, control the on-off between backup power source G and warning lamp H；The power supply is cut
Changing circuit mainly includes electromagnetic relay T1, and the electromagnetic relay T1 is equipped with electromagnetic coil and the magnetic synchronous by electromagnetic coil
The the first contact change-over switch and the second contact change-over switch of control, the input terminal 8 of the electromagnetic coil pass through signal wire and police
The anode of vehicle ACC power supply is connected, output end 7 is grounded, and the first contact change-over switch is normally closed quiet by the first movable contact 5, first
Contact 1 and the first normally opened stationary contact 3 are constituted, and the second contact change-over switch is by the second movable contact 6, the second normally closed stationary contact 2
It is constituted with the second normally opened stationary contact 4；Above-mentioned second normally opened stationary contact 4 is connected by signal wire with the anode of police car ACC power supply, the
Two movable contacts 6 are connected by control switch set by electromagnetic relay T2 with warning lamp H, and the first movable contact 5 passes through signal wire and police car
The anode of ACC power supply is connected, and the first normally opened stationary contact 3 is connected by signal wire with the anode of backup power source G, the second normally closed stationary contact
Point 2 is connected by signal wire with the anode of backup power source G；
The control circuit is by operational amplifier, diode D1, diode D2, variable resistance R1, divider resistance R2, partial pressure
Resistance R3 and triode Q is constituted；
The anode of diode D1 is connected with the anode of backup power source, and the cathode of diode D1 and the VCC of operational amplifier draw
Foot (i.e. power pins) is connected；The anode of diode D2 is connected with the cathode of backup power source G, and cathode and the operation of diode D2 is put
The IN(+ of big device) pin (i.e. positive input pin) is connected；The R of variable resistance R1HHold the VCC pin phase with operational amplifier
Even, the R of variable resistance R1LEnd is connected with the GND pin (i.e. grounding pin) of operational amplifier, the R of variable resistance R1WEnd and fortune
Calculate amplifier IN(-) pin (i.e. reversed input pin) be connected；The OUT pin of the anode and operational amplifier of divider resistance R2
(i.e. output pin) is connected, and the cathode of divider resistance R2 is connected with the base stage (i.e. the pole b) of triode Q；The anode of divider resistance R3
It is connected with the IN(+ of operational amplifier) pin, the cathode of divider resistance R3 is connected with the VCC pin of operational amplifier；Triode Q
Emitter (i.e. the pole e) be connected with the cathode of backup power source G, the line of collector (i.e. the pole c) and electromagnetic relay T2 of triode Q
It encloses output end 10 to be connected, the coil input end 9 of electromagnetic relay T2 is connected with the VCC pin of operational amplifier；Electromagnetic relay
Control switch set by T2 is made of a movable contact X, a normally opened contact Y and a normally-closed contact Z, and movable contact X passes through signal
Line is connected with the second movable contact 6 of electromagnetic relay T1, and normally-closed contact Z is connected by signal wire with warning lamp H, realization to electromagnetism after
The control of connecting and disconnecting of the circuit between the second movable contact 6 and warning lamp H of electric appliance T1 is realized and is powered in backup power source G to warning lamp H
During control to the on-off of the power supply line between backup power source G and warning lamp H, when movable contact X gets to normally-closed contact Z
When, backup power source G is in electrion mode and is powered to warning lamp H, when movable contact X gets to normally opened contact Y, backup power source
G is in low-voltage power-off mode to be stopped powering to warning lamp H, prevents backup power source G overdischarge；
It is parallel with vehicle-mounted image delivering system 11 on warning lamp H, realizes the real-time Transmission of monitoring image.
After police car switch-off, the normally closed stationary contact 2 of the second of electromagnetic relay T1 and the second movable contact 6 are communicated, warning lamp H and
Vehicle-mounted image delivering system 11 is powered using backup power source G, and still bright warning lamp H exhausts police car for a long time after preventing police car flame-out
ACC power supply, causes police car not start；
After police car starting, the normally opened stationary contact 4 of the second of electromagnetic relay T1 and the second movable contact 6 are communicated, warning lamp H and vehicle-mounted
Image delivering system 11 is powered using police car ACC power supply；Meanwhile the first normally opened stationary contact 3 of electromagnetic relay T1 and
One movable contact 5 communicates, and police car ACC power supply charges to backup power source G.
By adjusting the resistance value of variable resistance R1, realize that backup power source G(is common and use lead-acid accumulator) voltage be higher than it is pre-
If critical value (such as 10.8V) when, the OUT pin of operational amplifier LM358 exports low level, and triode Q is not turned on, electromagnetism
Relay T2 coil no current, the movable contact X and normally-closed contact Z of electromagnetic relay T2 are communicated, i.e. backup power source G and warning lamp H it
Between power supply line conducting, can be achieved with after police car switch-off in this way, backup power source G is in electrion mode to warning lamp
H and vehicle-mounted image delivering system 11 are powered；When backup power source G voltage is lower than preset critical value (such as 10.8V), fortune
The OUT pin for calculating amplifier LM358 exports high level (9.3V or so), and triode Q conducting, electromagnetic relay T2 coil is powered,
The movable contact X and normally-closed contact Z of electromagnetic relay T2 is disconnected, and backup power source G and warning lamp H, vehicle-mounted image delivering system 11 disconnect,
Stop the power supply to warning lamp H and vehicle-mounted image delivering system 11, realization prevents backup power source G overdischarge, and extending backup power source G makes
With the service life, securely and reliably.
Claims (3)
1. a kind of power-supply controller of electric for police car warning lamp, it is characterised in that: be equipped with controller housing, be equipped on controller housing
Warning lamp switch S, warning lamp switch S connect with warning lamp H, and the outside of controller housing is equipped with backup power source G, the inside of controller housing
It is packaged with power supply switch circuit, power supply switch circuit is connected with police car ACC power supply and backup power source G, is parallel on backup power source G
The control circuit of backup power source G overdischarge is prevented, electromagnetic relay T2 is connected in control circuit, electromagnetic relay T2 is equipped with one
Group control switch, the control switch are connected with warning lamp H, control the on-off between backup power source G and warning lamp H；The power supply is cut
Changing circuit mainly includes electromagnetic relay T1, and the electromagnetic relay T1 is equipped with electromagnetic coil and the magnetic synchronous by electromagnetic coil
The the first contact change-over switch and the second contact change-over switch of control, the input terminal (8) of the electromagnetic coil by signal wire with
The anode of police car ACC power supply is connected, output end (7) is grounded, and the first contact change-over switch is by the first movable contact (5), first
Normally closed stationary contact (1) and the first normally opened stationary contact (3) are constituted, and the second contact change-over switch is by the second movable contact (6), second
Normally closed stationary contact (2) and the second normally opened stationary contact (4) are constituted；Above-mentioned second normally opened stationary contact (4) passes through signal wire and police car ACC
The anode of power supply is connected, and the second movable contact (6) is connected by control switch set by electromagnetic relay T2 with warning lamp H, the first dynamic touching
Point (5) is connected by signal wire with the anode of police car ACC power supply, and the first normally opened stationary contact (3) passes through signal wire and backup power source G
Anode be connected, the second normally closed stationary contact (2) is connected by signal wire with the anode of backup power source G.
2. a kind of power-supply controller of electric for police car warning lamp according to claim 1, it is characterised in that: the control circuit
It is made of operational amplifier, diode D1, diode D2, variable resistance R1, divider resistance R2, divider resistance R3 and triode Q；
The anode of diode D1 is connected with the anode of backup power source, the VCC pin phase of the cathode and operational amplifier of diode D1
Even；The anode of diode D2 is connected with the cathode of backup power source G, the IN+ pin phase of the cathode and operational amplifier of diode D2
Even；The R of variable resistance R1HEnd is connected with the VCC pin of operational amplifier, the R of variable resistance R1LThe GND at end and operational amplifier
Pin is connected, the R of variable resistance R1WEnd is connected with the IN- pin of operational amplifier；The anode and operation amplifier of divider resistance R2
The OUT pin of device is connected, and the cathode of divider resistance R2 is connected with the base stage of triode Q；The anode of divider resistance R3 is put with operation
The IN+ pin of big device is connected, and the cathode of divider resistance R3 is connected with the VCC pin of operational amplifier；The emitter of triode Q with
The cathode of backup power source G is connected, and the collector of triode Q is connected with the coil output (10) of electromagnetic relay T2, electromagnetism after
The coil input end (9) of electric appliance T2 is connected with the VCC pin of operational amplifier；Control switch set by electromagnetic relay T2 is by one
Movable contact X, a normally opened contact Y and normally-closed contact Z are constituted, movable contact X pass through signal wire and electromagnetic relay T1 the
Two movable contacts (6) are connected, and normally-closed contact Z is connected by signal wire with warning lamp H, realize the second movable contact to electromagnetic relay T1
(6) control of the connecting and disconnecting of the circuit between warning lamp H, when movable contact X gets to normally-closed contact Z, backup power source G is in electrion
Mode is powered warning lamp H, and when movable contact X gets to normally opened contact Y, backup power source G is in low-voltage power-off mode to warning lamp H
Stop power supply, prevents backup power source G overdischarge.
3. a kind of power-supply controller of electric for police car warning lamp according to claim 1, it is characterised in that: in parallel on warning lamp H
There are vehicle-mounted image delivering system (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437205.XU CN208291148U (en) | 2018-03-29 | 2018-03-29 | A kind of power-supply controller of electric for police car warning lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437205.XU CN208291148U (en) | 2018-03-29 | 2018-03-29 | A kind of power-supply controller of electric for police car warning lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208291148U true CN208291148U (en) | 2018-12-28 |
Family
ID=64695771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820437205.XU Expired - Fee Related CN208291148U (en) | 2018-03-29 | 2018-03-29 | A kind of power-supply controller of electric for police car warning lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208291148U (en) |
-
2018
- 2018-03-29 CN CN201820437205.XU patent/CN208291148U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20210329 |