CN2309027Y - Comprehensive protector - Google Patents
Comprehensive protector Download PDFInfo
- Publication number
- CN2309027Y CN2309027Y CN 96208324 CN96208324U CN2309027Y CN 2309027 Y CN2309027 Y CN 2309027Y CN 96208324 CN96208324 CN 96208324 CN 96208324 U CN96208324 U CN 96208324U CN 2309027 Y CN2309027 Y CN 2309027Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- fluorescent tube
- triode
- diode
- resistance
- 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
Links
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to a comprehensive protector, comprising a voltage-reducing rectification circuit, a charging voltage clamp circuit, a discharge voltage monitoring switch circuit, a high frequency lamp tube glow starting circuit and transfer switches Ka, kb. The voltage clamp circuit comprises the electronic components of (T< 5 >, T< 6 >), (D< 4 >), (R< 9 >, R< 8 >). The voltage monitoring switch circuit comprises the electronic components of (T< 2 >, T< 3 >), (R< 0 >, R< 3 >, R< 4 >, R< 5 >), (C< 5 >, C< 6 >), (w), (D< 2 >), etc. The two circuits provide the charge and discharge protection for batteries. A lamp-filament heating circuit is composed of a B, an L< 4 > and a Q in a high-frequency inverter lighting circuit. A switching circuit is composed of the components of T< 4 >, D< 3 >, C< 7 >, R< 6 > and R< 7 >. The lamp-filament heating circuit and the switching circuit are used for controlling heating current in order to protect the longevity of the lamp.
Description
The utility model relates to a kind of light fixture protector, particularly a kind of comprehensive protection device.
The control that discharges and recharges of existing battery illuminating lamp is that road by electronic circuit control mechanical contact (relay contact) breaks and controls charge volume and discharge capacity, there is the cost height, the circuit complexity, produce gas during charging, electrolyte is easily done shortcomings such as solid, fluorescent tube does not have the heat filament circuitry measures simultaneously, and the black easily pin of fluorescent tube is aging, and useful life is not long.
The purpose of this utility model is to provide a kind of can protect storage battery, and fluorescent tube is lengthened the life, the comprehensive protection device of the friendship that can discharge and recharge, straight dual-purpose lamp.
The purpose of this utility model realizes as follows: be provided with one and can effectively avoid the closed secondary battery premature failure between the step-down rectifying circuit of handling AC power and fluorescent tube lighting circuit, the secondary battery protection circuit of being made up of charging voltage clamp circuit and discharge voltage pilot switch circuit that prolongs its useful life; In the high frequency starting circuit of routine, set up the tube filament heater circuit in addition, in order to tube starting with prevent that the black pin of fluorescent tube is aging, prolonging lamp tube useful life.
The existing AC/DC fluorescent tube illumination of the utility model emergency light has storage battery and fluorescent tube long service life, advantage such as durable in use.
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Accompanying drawing is circuit theory diagrams of the present utility model.
In the accompanying drawing: P-step-down rectifying circuit, Q-fluorescent tube, B-transformer K
a, K
b-duplex change over switch has 1,2,3,4 contacts (fourth gear) ,+V
Cc1Be Voltage pulsating direct-current supply, V
Cc2Be the battery DC power supply, W-potentiometer, D
1, D
2, D
4Be voltage stabilizing crystal diode, D
3-rectifier diode, R
0, R
1, R
2, R
4, R
5, R
6, R
8, R
9Be divider resistance, R
3, R
7Be shunt resistance, C
1, C
4Be filter capacitor, C
5, C
7For starting electric capacity, C
2, C
3, be coupling capacitance, C
6-delay electric capacity, transistor T
1-T
6Remove T
2Outside the positive-negative-positive pipe, all the other are NPN type pipe, T
5, T
6Be multiple tube, NPN type triode of equivalence, L
1-L
4Winding coil for transformer B.
Referring to accompanying drawing, the utility model is by step-down rectifying circuit P, the charging voltage clamp circuit, and discharge voltage pilot switch circuit and high frequency starting circuit are formed, and the discharge voltage pilot switch circuit in the discharge circuit is by triode (T
2, T
3), resistance (R
0, R
3, R
4, R
5), electric capacity (C
5, C
6), potentiometer (W), diode (D
2) wait electronic component to form, in DC power supply (battery) when voltage is reduced to set point, T
2End, the high-frequency inversion lighting circuit is quit work, thereby protection DC power supply (battery) and fluorescent tube are avoided damaging T
2Be positive-negative-positive, T
3Be the NPN type, if T
2Be NPN type, T
3Be the positive-negative-positive triode, will be with power supply, electrical appliance incoming line, D
2, C
5Positive and negative polarity change simultaneously.Voltage clamp circuit in the charge circuit is by triode T
5, T
6, diode D
4, resistance R
8, R
9Form, its battery maximum charging voltage is by diode D
4Determine.From the pulsating direct current of step-down rectifying circuit P output, by voltage clamp circuit after change over switch Kb3 point charge the battery.By triode T
1, high frequency transformer B, resistance R
1, R
2, capacitor C
2, C
3, C
4, diode D
1, the high-frequency inversion lighting circuit that electronic components such as fluorescent tube Q are formed is triode T
2The direct current that transports converts high frequency voltage to, through B level of transformer L
3Export to fluorescent tube Q electric energy is provided, on the other hand, coil L
4Be connected into the loop with tube filament, for filament provides heating current.L
4Usually from L
3Tap obtains, and changes L
4The number of turn can change the size that flows through heater current, can control heater current and be no more than predetermined value.Coil L
4Can directly connect into the loop with tube filament, also can (X) from figure disconnect, electronic switching element T
4Press place in circuit shown in the dotted line among the figure.Electronic component T
4, D
3, C
7, R
6, R
7The electronic switch of forming is by L
4The signal controlling work of output.The switching circuit of protection fluorescent tube Q control tube filament heating current is by triode T
4, second tube sheet D
3, capacitor C
7, resistance R
6, R
7Form Deng element.
Claims (3)
1, a kind of comprehensive protection device, by step-down rectifying circuit P, charging voltage clamp circuit, discharge voltage pilot switch circuit and high frequency fluorescent tube starting circuit and duplex change over switch K
a, K
bForm, it is characterized in that: the charging voltage clamp circuit of protection storage battery is by triode T in the charge circuit
5, T
6, diode D
4, resistance R
8, R
9Form in electronic component, the discharge voltage pilot switch circuit of protection storage battery is by triode T in the discharge loop
2, T
3, resistance R
0, R
3, R
4, R
5, capacitor C
5, C
6, potentiometer W and diode D
2Form; High frequency fluorescent tube starting circuit, by high frequency transformer B, tapping L
4, fluorescent tube Q forms.
2, a kind of comprehensive protection device as claimed in claim 1 is characterized in that: the switching circuit of protection fluorescent tube Q control filament heating current is by triode T
4, diode D
3, capacitor C
7, resistance R
6, R
7Form Deng element.
3, a kind of comprehensive protection device as claimed in claim 1 is characterized in that: in the fluorescent lighting loop by winding L
4The electronic switch of output signal Control work is by triode T
4, diode D
3, capacitor C
7, resistance R
6, R
7Form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96208324 CN2309027Y (en) | 1996-04-01 | 1996-04-01 | Comprehensive protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96208324 CN2309027Y (en) | 1996-04-01 | 1996-04-01 | Comprehensive protector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2309027Y true CN2309027Y (en) | 1999-02-24 |
Family
ID=33892369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 96208324 Expired - Fee Related CN2309027Y (en) | 1996-04-01 | 1996-04-01 | Comprehensive protector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2309027Y (en) |
-
1996
- 1996-04-01 CN CN 96208324 patent/CN2309027Y/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 | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |