CN102665315A - Household emergency fluorescent lamp - Google Patents
Household emergency fluorescent lamp Download PDFInfo
- Publication number
- CN102665315A CN102665315A CN2012101699673A CN201210169967A CN102665315A CN 102665315 A CN102665315 A CN 102665315A CN 2012101699673 A CN2012101699673 A CN 2012101699673A CN 201210169967 A CN201210169967 A CN 201210169967A CN 102665315 A CN102665315 A CN 102665315A
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- circuit
- fluorescent lamp
- emergency
- power
- power switch
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a household emergency fluorescent lamp. The household emergency fluorescent lamp comprises a 6V direct current power supply, a self-excited oscillation circuit and a boosted illuminating circuit, wherein a power switch integrated circuit IC1 in the self-excited oscillation circuit has a model number of TWH8751. The household emergency fluorescent lamp is a spare illuminating device which is completely independent of the mains power grid, and storage batteries in most of the common emergency illuminating equipment serve as a power source to supply power. The household emergency fluorescent lamp is suitable to be matched with a 6-8W fluorescent lamp, can be used for emergency illumination during short power failure of a power supply line and is suitable for emergency illumination or firefighting emergency illumination in various public places, if four 1# Mn-Zn dry cells are used, the illuminating time of the emergency fluorescent lamp is more than 1.5 hours.
Description
Technical field
The invention belongs to electronic technology and emergency lighting technical field, relate to a kind of family expenses Emergency daylight lamp.
Background technology
People are also increasingly high to the dependency degree of power supply now, in case particularly to the power failure in night, bring very big influence maybe might cause some economic losses will for normal work, living and studying.The family expenses Emergency daylight lamp is the standby lighting device that is totally independent of outside the utility grid, emergency-lighting set commonly used many with storage battery power supply as power supply.
Family expenses Emergency daylight lamp of the present invention is fit to adapted 6～8W fluorescent lamp; It can tackle the emergency lighting of supply line's short time outage; It also is applicable to the emergency lighting or the fire emergency of various small-sized public places; If use 4 joint 1# MnZn dry cells, this emergency fluorescent lamp lighting time was greater than one and a half hours.
Below specify the related in force correlation technique content of this family expenses Emergency daylight lamp.
Summary of the invention
Goal of the invention and beneficial effect: the family expenses Emergency daylight lamp is the standby lighting device that is totally independent of outside the utility grid, emergency-lighting set commonly used many with storage battery power supply as power supply.Family expenses Emergency daylight lamp of the present invention is fit to adapted 6～8W fluorescent lamp; It can tackle the emergency lighting of supply line's short time outage; It also is applicable to the emergency lighting or the fire emergency of various small-sized public places; If use 4 joint 1# MnZn dry cells, this emergency fluorescent lamp lighting time was greater than one and a half hours.
Technical scheme: the family expenses Emergency daylight lamp, it comprises 6V DC power supply, self-maintained circuit, the lighting circuit that boosts, and it is characterized in that:
Self-maintained circuit: the vibration winding L 1 by power switch circuit IC1, resistance R 1, electric capacity of the dacron C1, potentiometer RP and transformer T is formed; The model that power switch circuit IC1 adopts is TWH8751; The anodal VCC of connection circuit behind the 5th pin series resistor R1 of power switch circuit IC1; The 1st pin of power switch circuit IC1 connects the end of electric capacity of the dacron C1 and the end of potentiometer RP; The 3rd pin connection circuit ground GND of the other end of electric capacity of the dacron C1 and power switch circuit IC1; The 4th pin of power switch circuit IC1 meets the other end of potentiometer RP and an end of lever arm and transformer T vibration winding L 1 thereof, the anodal VCC of other end connection circuit of transformer T vibration winding L 1;
Lighting circuit boosts: be made up of with fluorescent lamp RGD boost winding L 2 of transformer T, a boost end of winding L 2 of transformer T links to each other with the end of fluorescent lamp RGD, transformer T the boost other end of winding L 2 and the other end connection circuit ground GND of fluorescent lamp RGD.
The 6V dc power anode links to each other with circuit anode VCC, and the 6V dc power cathode links to each other with circuit ground GND.
The circuit working principle: it is core parts that the circuit of family expenses Emergency daylight lamp adopts power switch circuit IC1 (TWH8751); The internal circuit of this integrated circuit is made up of input stage, buffer amplifier and Darlington power output stage; And be provided with feedback control loop and subtract the flow pattern output protection circuit, very strong versatility is arranged.When the level of the gating end (the 2nd pin) of power switch circuit IC1 >=1.6V; The input of power switch circuit IC1 (the 1st pin) is to the no control action of output (the 4th pin); That is: internal circuit final stage Darlington transistor ends, the output of circuit no signal; When the 2nd pin of power switch circuit IC1 be low level (＜1.2V) time, be added in the signal level of power controlling switch integrated circuit IC1 output effectively on the power switch circuit IC1 input.
The family expenses Emergency daylight lamp selects for use power switch circuit IC1 (TWH8751) as the self-maintained circuit core parts; Its peripheral resistance R 1 is a current-limiting resistance; The frequency of oscillation of potentiometer RP, electric capacity of the dacron C1 decision-making circuit, electrochemical capacitor C2 is used for stablizing the voltage of 6V DC power supply.The vibration winding L 1 of transformer is determining the height of oscillating voltage, can induce very high alternating voltage in the winding L 2 of boosting of transformer, and the mercuryvapour and the fluorescent material that are used to pull the trigger in the fluorescent lamp make fluorescent lamp RGD luminous.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the present invention provides a family expenses Emergency daylight lamp.
Embodiment
Specification requirement according to the components and parts of the circuit working schematic diagram of the family expenses Emergency daylight lamp shown in the accompanying drawing 1 and description of drawings and the following stated is implemented, and can realize the present invention.
The selection of components and parts and technical parameter
IC1 is a power switch circuit; The model of selecting for use is TWH8751; Its packing forms is TOP-220, and the required Control current of TWH8751 input stage gating end is very little, only 100～200 μ A; Buffer amplifier and Darlington power are formed output stage, and are provided with feedback control loop and subtract the flow pattern output protection circuit in inside; Power switch circuit IC1 has 5 pins, and pin function is respectively: input (IN), gating end (ST), circuit ground (GND), output (OUT) and positive source (VCC);
The resistance of resistance R 1 is that 680 Ω, power are 1/2W; RP is a potentiometer, and resistance is 220K Ω;
C1 is an electric capacity of the dacron, and capacity is 0.01 μ F; C2 is an electrochemical capacitor, and capacity is 470 μ F/16V;
RGD is a fluorescent lamp, and selecting power for use is 6～8W fluorescent lamp;
The 6V DC power supply uses 4 joint 1# MnZn dry cells, also can select 6V, 4AH storage battery for use.
Circuit production main points and circuit debugging
The making of step-up transformer T: magnetic core is selected U type ferrite magnetic core or ring type magnetic core for use; Or with common EI type or the replacement of FF type silicon steel sheet; But conversion efficiency will reduce; Vibration winding L 1 usefulness ￠ 0.3～0.4mm enamelled wire is around 45～47 circles, and the winding L of boosting 2 usefulness ￠ 0.12～0.15mm enamelled wire is around 1600 circles;
The circuit of family expenses Emergency daylight lamp welds according to the components and parts annexation shown in the accompanying drawing 1 as long as the components and parts performance of using is intact, and to the physics wiring conscientiously check and check errorless after, the circuit of this Emergency daylight lamp must not debugged the work of getting final product;
During circuit debugging, in the middle of earlier adjustable potentiometer RP lever arm being placed, can make fluorescent lamp RGD luminous after connecting the 6V DC power supply, adjustment potentiometer RP makes the complete machine electric current about 260～300mA;
Use 4 joint 1# MnZn dry cells, family expenses Emergency daylight lamp lighting hours was greater than one and a half hours; When finding phenomenons such as the fluorescent lamp appearance is dim, flicker, should in time change dry cell, or immediately storage battery charged.
Claims (2)
1. family expenses Emergency daylight lamp, it comprises 6V DC power supply, self-maintained circuit, the lighting circuit that boosts, and it is characterized in that:
Self-maintained circuit is made up of the vibration winding L 1 of power switch circuit IC1, resistance R 1, electric capacity of the dacron C1, potentiometer RP and transformer T; The model that power switch circuit IC1 adopts is TWH8751; The anodal VCC of connection circuit behind the 5th pin series resistor R1 of power switch circuit IC1; The 1st pin of power switch circuit IC1 connects the end of electric capacity of the dacron C1 and the end of potentiometer RP; The 3rd pin connection circuit ground GND of the other end of electric capacity of the dacron C1 and power switch circuit IC1; The 4th pin of power switch circuit IC1 meets the other end of potentiometer RP and an end of lever arm and transformer T vibration winding L 1 thereof, the anodal VCC of other end connection circuit of transformer T vibration winding L 1;
Boost winding L 2 of the power for illumination routing transformer T that boosts is formed with fluorescent lamp RGD, and a boost end of winding L 2 of transformer T links to each other with the end of fluorescent lamp RGD, transformer T the boost other end of winding L 2 and the other end connection circuit ground GND of fluorescent lamp RGD.
2. family expenses Emergency daylight lamp according to claim 1 is characterized in that: the 6V dc power anode links to each other with circuit anode VCC, and the 6V dc power cathode links to each other with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101699673A CN102665315A (en) | 2012-05-29 | 2012-05-29 | Household emergency fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101699673A CN102665315A (en) | 2012-05-29 | 2012-05-29 | Household emergency fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102665315A true CN102665315A (en) | 2012-09-12 |
Family
ID=46774697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101699673A Withdrawn CN102665315A (en) | 2012-05-29 | 2012-05-29 | Household emergency fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102665315A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113957A (en) * | 2013-04-22 | 2014-10-22 | 欧普照明股份有限公司 | Self-excited oscillation driving circuit |
| CN104125673A (en) * | 2013-04-24 | 2014-10-29 | 欧普照明股份有限公司 | Self-excited oscillation drive circuit |
-
2012
- 2012-05-29 CN CN2012101699673A patent/CN102665315A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113957A (en) * | 2013-04-22 | 2014-10-22 | 欧普照明股份有限公司 | Self-excited oscillation driving circuit |
| CN104125673A (en) * | 2013-04-24 | 2014-10-29 | 欧普照明股份有限公司 | Self-excited oscillation drive circuit |
| CN104125673B (en) * | 2013-04-24 | 2017-03-22 | 欧普照明股份有限公司 | Self-excited oscillation drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20120912 |