CN204795734U - Emergency light circuit with fill discharge protection circuit - Google Patents
Emergency light circuit with fill discharge protection circuit Download PDFInfo
- Publication number
- CN204795734U CN204795734U CN201520432300.7U CN201520432300U CN204795734U CN 204795734 U CN204795734 U CN 204795734U CN 201520432300 U CN201520432300 U CN 201520432300U CN 204795734 U CN204795734 U CN 204795734U
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- circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Emergency light circuit with fill discharge protection circuit belongs to emergency light circuit field, and its characterized in that is including the rectifier module, charge protection module, electrical shutoff control module, discharge protection module and the emergency lighting module that connect gradually, wherein, the charge protection module be used for with the direct current after the rectification carry out the steady voltage, the accuracy sets up charging voltage and carries out the current -limiting, avoids the high voltage to lead to the fact the damage to the circuit, the discharge protection module is a self -sustaining circuit, after the outage, stores and to trigger the self -sustaining circuit by electric capacity, realizes the battery powered emergency lighting that carries on. Through adopting relay self -sustaining, steady voltage expansive flows circuit is dropped to as discharge voltage and was broken off the return circuit of discharging at 70% o'clock. Charging circuit adoption three terminal regulator can accurate output charging voltage. The effectual energy storage battery that has protected has prolonged the charge -discharge number of times, has prolonged the emergency light live time simultaneously, reduces the cost of maintenance in the use, has great spreading value.
Description
Technical field
The utility model belongs to emergency light circuit field, particularly relates to a kind of emergency light circuit with charge-discharge protection circuit.
Background technology
Emergency light is building and public place, and the indispensable facility of reply burst power-off condition, general this product adopts the rechargeable battery such as lead acid accumulator, ickel-cadmium cell as accumulation power supply.The product overwhelming majority in the market adopts discrete component circuit as control circuit, and because testing circuit wherein itself needs to consume certain electric current, when emergency light is long-time, the used time does not easily cause overdischarge, thus causes cell damage.Also have portioned product to exist when power failure emergency, quit work a little due to what there is no a careful design discharge loop, cause the battery discharge degree of depth to be crossed taking an advanced study into battery using cycle-index minimizing.Portioned product is in the design of charging circuit in addition, and the charging voltage of design is too high and easily cause and overcharge, and battery pole plates also can be caused to damage, thus has a strong impact on the stability of emergency light when practicality and reliability.
Summary of the invention
The utility model is intended to solve the problem, and provides the emergency light circuit with charge-discharge protection circuit of available protecting charge-discharge circuit and energy-storage battery.
Emergency light circuit with charge-discharge protection circuit described in the utility model, comprises the rectification filtering module, charging protecting module, power-off control module, discharge prevention module and the emergency lighting module that connect successively;
Wherein, described charging protecting module is used for the direct current after rectification to carry out voltage stabilizing, accurately arranges charging voltage and carry out current limliting, avoids too high voltages to cause damage to circuit;
When exchanging normal power supply, described power-off control module cuts off discharge loop and charges to energy storage capacitor;
Described discharge prevention module is a self-hold circuit, and when after power-off, energy storage capacitor triggers self-hold circuit work, realizes powered battery and carries out emergency lighting.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described rectification filtering module comprises rectifier bridge BR and electrochemical capacitor C1; The pin 1 of rectifier bridge is connected with 9V external power source with pin 3; Pin 2 and pin 4 are connected with electrochemical capacitor C1 two ends respectively;
Power-off control module comprises direct current relay J1 and current-limiting resistance R2; Direct current relay J1 is connected with current rectifying and wave filtering circuit after being connected with current-limiting resistance R2;
Discharge prevention module comprises storage battery BT, relay J 2, triode Q and voltage-stabiliser tube Z1; Described storage battery BT is connected with the emitter of triode Q, and relay J 2 is connected with the collector electrode of triode Q, and voltage-stabiliser tube Z1 is connected with the base stage of triode Q, and the other end of voltage-stabiliser tube Z1 is connected with relay J 2;
Charging protecting module comprises three terminal regulator, divider resistance R3, R4, filter capacitor C2 with, current-limiting resistance R5 and diode D1 is formed.Three terminal regulator and R3, R4 and electric capacity C2 form voltage stabilizing circuit unit, accurate for the direct voltage after rectification voltage stabilizing is realized trickle charge to 8.5V ± 0.1V, avoids too high voltages to cause damage to battery BT.Output is connected with current-limiting resistance R5, and current-limiting resistance R5 Main Function reduces transient high-current.Current-limiting resistance R5 connects the diode D1 preventing storage battery BT reverse irrigated current simultaneously;
Emergency lighting module comprises illuminating lamp LAMP, and illuminating lamp LAMP is directly connected with the normal battle of the relay J 2 of aforementioned discharge prevention module.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described relay J 1 is single-pole double throw.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described triode Q is NPN type triode.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described indicator light is LED.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described illuminating lamp is incandescent lamp or LED or fluorescent lamp.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described three terminal regulator is LM317.
Emergency light circuit with charge-discharge protection circuit described in the utility model; by adopting relay self-sustaining; the feature that current circuit utilizes the pressure drop of battery discharge band live low is cleverly expanded in voltage stabilizing; accurately discharge loop is disconnected, the current sinking hardly when loop disconnects when tension discharge voltage drop is low to moderate normal voltage 70%.Charging circuit adopts three terminal regulator accurately can export charging voltage, prevents that charging voltage is improper causes cell damage.Thus effectively protect energy-storage battery, extend discharge and recharge number of times, also extend the use work service time of emergency light simultaneously, reduce the maintenance cost in use procedure, and structure is simply easy to realize, and has larger promotional value.
Accompanying drawing explanation
Fig. 1 is schematic block diagram of the present utility model;
Fig. 2 is circuit structure diagram of the present utility model.
Embodiment
Emergency light circuit with charge-discharge protection circuit described in the utility model, as shown in Figure 1, comprises the rectification filtering module, charging protecting module, power-off control module, discharge prevention module and the emergency lighting module that connect successively;
Wherein, it is direct current that described rectification filtering module is used for the AC rectification through transformation, and carries out filtering;
Described charging protecting module is used for the direct current after rectification to carry out voltage stabilizing, accurately arranges charging voltage and carry out current limliting, avoids too high voltages to cause damage to circuit;
When exchanging normal power supply, described power-off control module cuts off discharge loop and charges to energy storage capacitor;
Described discharge prevention module is a self-hold circuit, when after power-off, energy storage capacitor triggers self-hold circuit work, realizes powered battery and carries out emergency lighting, when depth of discharge reaches normal voltage 70%, discharge protection circuit disconnects the object reaching protection battery automatically;
Emergency light circuit with charge-discharge protection circuit described in the utility model, as shown in Figure 2, described rectification filtering module comprises rectifier bridge BR and electrochemical capacitor C1; The pin 1 of rectifier bridge is connected with 9V external power source with pin 3; Pin 2 and pin 4 are connected with electrochemical capacitor C1 two ends respectively; From transformer, 220V alternating current is become 9V external power source, become direct current by rectifier bridge BR and C1 filtering.
Power-off control module comprises direct current relay J1 and current-limiting resistance R2; Direct current relay J1 is connected with current rectifying and wave filtering circuit after being connected with current-limiting resistance R2; Relay common point connects energy storage capacitor C3, and normally closed point is connected with switch.When alternating current is normal, J1 powers normally closed disconnection, and J2 line bag power-off discharge loop quits work.J1 often adhesive battle is that electric capacity C3 charges.
Discharge prevention module comprises storage battery BT, relay J 2, triode Q and voltage-stabiliser tube Z1; Described storage battery BT is connected with the emitter of triode Q, and relay J 2 is connected with the collector electrode of triode Q, and voltage-stabiliser tube Z1 is connected with the base stage of triode Q, and the other end of voltage-stabiliser tube Z1 is connected with relay J 2.When K switch closes AC outage, J1 normally closed some adhesive electric capacity C3 is powered to J2 line bag by Closing Switch, and lamp is lighted and to be powered realizing circuit self-sustaining to J2 line bag by diode D2 by J2 often adhesive battle.Be with live pressure to reduce when the battery BT tension discharge degree of depth increases, be that 7.8V, Q and Z1 form 3V voltage stabilizing expansion current circuit when being full of electricity, voltage wrapped by line is the adhesive of 2.8V relay.Depth of discharge increase, when voltage drops to 4.8V, line wrap voltage become 1V then relay J 2 disconnect, emergency light quits work, and realizes battery BT discharge prevention.
Charging protecting module comprises three terminal regulator, divider resistance R3, R4, filter capacitor C2, and current-limiting resistance R5 and diode D1 is formed.Accurate for direct voltage after rectification voltage stabilizing is realized trickle charge to 8.5V ± 0.1V by three terminal regulator and R3, R4 and electric capacity C2, avoids too high voltages to cause damage to battery BT.Current-limiting resistance R5 is for reducing transient high-current.When emergency light transfers incoming call charged state to by discharge lighting state, avoid, due to the less generation transient high-current of battery BT voltage lower battery BT internal resistance, battery BT and three terminal regulator being damaged.Diode D1 by battery BT and aforementioned charging protecting module, power-off control module and rectification filtering module isolated, prevent aforementioned each modular circuit generation current under power down mode, thus cause battery BT impaired.Thus effectively realize charging the battery, prevent overcharge and big current from causing damage to battery BT and other original paper again.
Emergency lighting module comprises illuminating lamp LAMP, and illuminating lamp LAMP is directly connected with the normal battle of the relay J 2 of aforementioned discharge prevention module, also comprises diode D2, electrochemical capacitor C3 and panel-switch K; The positive pole of diode D2 is connected with illuminating lamp LAMP, and negative pole is connected with electrochemical capacitor C3; Electrochemical capacitor C3 is connected with LAMP such as illuminations; For emergency lighting.Panel-switch K realizes function of emergency illumination when closing, and does not carry out emergency lighting during disconnection.Panel-switch K is connected in relay J 2 when illuminating lamp LAMP normally works.As shown in Figure 2, access the output of rectification filtering module after indicator light LED connects with resistance R2, indicator light indicator light when exchanging normal power supply is bright.
Emergency light circuit with charge-discharge protection circuit described in the utility model, described relay J 1 is single-pole double throw.Described triode Q is NPN type triode.Described indicator light is LED.Described illuminating lamp is incandescent lamp or LED or fluorescent lamp, uses during fluorescent lamp and needs to be equipped with corresponding inversion module.Described three terminal regulator is LM317.
Claims (6)
1., with the emergency light circuit of charge-discharge protection circuit, it is characterized in that comprising the rectification filtering module, charging protecting module, power-off control module, discharge prevention module and the emergency lighting module that connect successively;
Wherein, described charging protecting module is used for the direct current after rectification to carry out voltage stabilizing, accurately arranges charging voltage and carry out current limliting, avoids too high voltages to cause damage to circuit;
When exchanging normal power supply, described power-off control module cuts off discharge loop and charges to energy storage capacitor;
Described discharge prevention module is a self-hold circuit, and when after power-off, energy storage capacitor triggers self-hold circuit work, realizes powered battery and carries out emergency lighting.
2. the emergency light circuit with charge-discharge protection circuit according to claim 1, is characterized in that described rectification filtering module comprises rectifier bridge BR and electrochemical capacitor C1; The pin 1 of rectifier bridge is connected with 9V external power source with pin 3; Pin 2 and pin 4 are connected with electrochemical capacitor C1 two ends respectively;
Described power-off control module comprises direct current relay J1 and current-limiting resistance R2; Direct current relay J1 is connected with current rectifying and wave filtering circuit after being connected with current-limiting resistance R2;
Described discharge prevention module comprises storage battery BT, relay J 2, triode Q and voltage-stabiliser tube Z1; Described storage battery BT is connected with the emitter of triode Q, and relay J 2 is connected with the collector electrode of triode Q, and voltage-stabiliser tube Z1 is connected with the base stage of triode Q, and the other end of voltage-stabiliser tube Z1 is connected with relay J 2;
Described charging protecting module comprises three terminal regulator, divider resistance R3, R4, and filter capacitor C2, current-limiting resistance R5 and diode D1 are formed; Three terminal regulator, divider resistance R3, R4 and filter capacitor C2 form voltage stabilizing circuit unit, and output is connected with current-limiting resistance R5, and current-limiting resistance R5 connects the diode D1 preventing storage battery BT reverse irrigated current simultaneously;
Described emergency lighting module comprises illuminating lamp LAMP, and illuminating lamp LAMP is directly connected with the normal battle of the relay J 2 of aforementioned discharge prevention module.
3. the emergency light circuit with charge-discharge protection circuit according to claim 2, is characterized in that described relay J 1 is single-pole double throw.
4. the emergency light circuit with charge-discharge protection circuit according to Claims 2 or 3, is characterized in that described triode Q is NPN type triode.
5. the emergency light circuit with charge-discharge protection circuit according to claim 4, is characterized in that described illuminating lamp is incandescent lamp or LED or fluorescent lamp.
6. the emergency light circuit with charge-discharge protection circuit according to claim 5, is characterized in that described three terminal regulator is LM317.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432300.7U CN204795734U (en) | 2015-06-23 | 2015-06-23 | Emergency light circuit with fill discharge protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432300.7U CN204795734U (en) | 2015-06-23 | 2015-06-23 | Emergency light circuit with fill discharge protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204795734U true CN204795734U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432300.7U Expired - Fee Related CN204795734U (en) | 2015-06-23 | 2015-06-23 | Emergency light circuit with fill discharge protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204795734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339663A (en) * | 2017-08-22 | 2017-11-10 | 潘仁忠 | A kind of emergent lamp module based on electrical appliance |
| CN110248455A (en) * | 2019-07-05 | 2019-09-17 | 深圳迈睿智能科技有限公司 | Emergency light and its control circuit and control method and storage method |
-
2015
- 2015-06-23 CN CN201520432300.7U patent/CN204795734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339663A (en) * | 2017-08-22 | 2017-11-10 | 潘仁忠 | A kind of emergent lamp module based on electrical appliance |
| CN110248455A (en) * | 2019-07-05 | 2019-09-17 | 深圳迈睿智能科技有限公司 | Emergency light and its control circuit and control method and storage method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |