CN202565507U - Household emergency daylight lamp - Google Patents
Household emergency daylight lamp Download PDFInfo
- Publication number
- CN202565507U CN202565507U CN2012202448790U CN201220244879U CN202565507U CN 202565507 U CN202565507 U CN 202565507U CN 2012202448790 U CN2012202448790 U CN 2012202448790U CN 201220244879 U CN201220244879 U CN 201220244879U CN 202565507 U CN202565507 U CN 202565507U
- Authority
- CN
- China
- Prior art keywords
- circuit
- emergency
- lighting
- daylight lamp
- power switch
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Abstract
The utility model discloses a household emergency daylight lamp which comprises a 6 volt direct-current source, a self-excitation oscillating circuit and a boost lighting circuit, wherein the model utilized for a power switch integrated circuit (IC) 1of the self-excitation oscillating circuit is 8751terawatthour (TWH). The household emergency daylight lamp serves as a reserved lighting device which is completely independent of an electric supply grid, and common emergency lighting devices mostly utilize storage batteries as power sources. The household emergency daylight lamp can be provided with 6-8 watt daylight lamps in matched mode, and is not only capable of being used for emergency lighting during a short-time power outage period of a charging line, but also suitable for emergency lighting or fire-fighting emergency lighting of various small public places. In addition, the lighting time of the household emergency daylight lamp is more than an hour and a half if four first manganese-zinc dry batteries are used.
Description
Technical field
The utility model belongs to electronic technology and emergency lighting technical field, relates 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.
The described family expenses Emergency daylight lamp of the utility model 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.
The utility model content
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.The described family expenses Emergency daylight lamp of the utility model 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 utility model 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 utility model.
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 |
|---|---|---|---|
| CN2012202448790U CN202565507U (en) | 2012-05-29 | 2012-05-29 | Household emergency daylight lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202448790U CN202565507U (en) | 2012-05-29 | 2012-05-29 | Household emergency daylight lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565507U true CN202565507U (en) | 2012-11-28 |
Family
ID=47215101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202448790U Expired - Fee Related CN202565507U (en) | 2012-05-29 | 2012-05-29 | Household emergency daylight lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202565507U (en) |
-
2012
- 2012-05-29 CN CN2012202448790U patent/CN202565507U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130529 |