CN203984744U - Flashing type electronics fireplace control circuit - Google Patents
Flashing type electronics fireplace control circuit Download PDFInfo
- Publication number
- CN203984744U CN203984744U CN201420414884.0U CN201420414884U CN203984744U CN 203984744 U CN203984744 U CN 203984744U CN 201420414884 U CN201420414884 U CN 201420414884U CN 203984744 U CN203984744 U CN 203984744U
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- CN
- China
- Prior art keywords
- control circuit
- triode
- connects
- group
- flicker control
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Abstract
A kind of flashing type electronics fireplace control circuit, comprise the electro-heat equipment control circuit and the reduction voltage circuit that are electrically connected with city, reduction voltage circuit is the power supply of LED flicker control circuit, it is characterized in that: described LED flicker control circuit comprises that a road low-frequency oscillatory network is consistent with N group structure, and the random flicker control circuit being set up in parallel, wherein low-frequency oscillatory network sends low frequency pulse wave to random flicker control circuit described in each group; Described random flicker control circuit is provided with diode (D), the positive pole of this diode (D) connects described low-frequency oscillatory network, negative pole connects the base stage of triode (Q), the grounded emitter of this triode (Q), between the base stage of this triode (Q) and ground, be also connected with accumulate electric capacity (C4), between the base stage of this triode (Q) and collector electrode, be connected emitting ledly, this emitting led negative pole is connected with the collector electrode of triode (Q).In the utility model, LED glimmers at random, has simulated the visual effect that Mars glitters.
Description
Technical field
The utility model relates to heating fireplace, relates in particular to a kind of flashing type electronics fireplace control circuit.
Background technology
Electronics fireplace is a kind of taking electric energy as basic heating system, its clean, easy cleaning, and free of contamination advantage, has been substituted traditional firewood formula fireplace.But due to the needs of user's use habit and house ornamentation, still like seeing that in fireplace, firewood is vigorous, the visual effect that furnace wall is aglow, although someone has placed false bavin at electronics fireplace, and simulate flame effect, and installed red light source additional after false bavin or simulating flame, but these light sources are Chang Liang, cannot simulate the phenomenon that Mars glitters.
Summary of the invention
Main purpose of the present utility model is, a kind of flashing type electronics fireplace control circuit is provided, and can make red light source flicker.
To achieve these goals, the utility model has been explained a kind of flashing type electronics fireplace control circuit, comprise the electro-heat equipment control circuit and the reduction voltage circuit that are electrically connected with city, reduction voltage circuit is the power supply of LED flicker control circuit, described LED flicker control circuit comprises that a road low-frequency oscillatory network is consistent with N group structure, and the random flicker control circuit being set up in parallel, wherein low-frequency oscillatory network sends low frequency pulse wave to random flicker control circuit described in each group, and N is positive integer;
Described random flicker control circuit is provided with diode, the positive pole of this diode connects described low-frequency oscillatory network, negative pole connects the base stage of triode, the grounded emitter of this triode, between the base stage of this triode and ground, be also connected with accumulate electric capacity, between the base stage of this triode and collector electrode, be connected emitting ledly, this emitting led negative pole is connected with the collector electrode of triode.
In described each random flicker control circuit, the capacity value difference of accumulate electric capacity.
After diode current flow, accumulate capacitor charging, makes triode conducting, thereby emitting led conducting is luminous.Due to the accumulate capacitance difference of each random flicker control circuit, cause difference discharge time of each accumulate electric capacity, therefore, can produce the visual effect of the random flicker of LED.
In order to reach better control effect, described triode can replace with controllable silicon.
Described low-frequency oscillatory network is provided with pull-up resistor, reduction voltage circuit described in termination before this pull-up resistor, rear termination first electric capacity one end, after shaking, this first electric capacity other end shish-kebab connects the grid of switching tube, ground connection after grid string second resistance of this switching tube, the source ground of switching tube, drain electrode connects described pull-up resistor rear end, and this drain electrode also connects each described random flicker control circuit.
Ground connection after the second electric capacity is gone here and there in the drain electrode of described switching tube, ground connection after grid string the 3rd electric capacity.
Described low-frequency oscillatory network produces square wave.
Described reduction voltage circuit comprises transformer, and the positive limit of this transformer winding connects civil power, and secondary winding connects the input group of electric bridge, and the output group of electric bridge connects described LED flicker control circuit.
Described electro-heat equipment control circuit comprises that sky opens group, and each air switch that this sky is opened group is independently serially connected in the current supply circuit of one group of electro-heat equipment.
The beneficial effects of the utility model are: LED glimmers at random, have simulated the visual effect that Mars glitters.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Embodiment 1: as shown in Figure 1, a kind of flashing type electronics fireplace control circuit, comprise the electro-heat equipment control circuit and the reduction voltage circuit that are electrically connected with city, reduction voltage circuit is the power supply of LED flicker control circuit, described LED flicker control circuit comprises that a road low-frequency oscillatory network is consistent with N group structure, and the random flicker control circuit being set up in parallel, wherein low-frequency oscillatory network sends low frequency pulse wave to random flicker control circuit described in each group;
Described random flicker control circuit is provided with diode D, the positive pole of this diode D connects described low-frequency oscillatory network, negative pole connects the base stage of triode Q, the grounded emitter of this triode Q, between the base stage of this triode Q and ground, be also connected with accumulate capacitor C 4, between the base stage of this triode Q and collector electrode, be connected emitting ledly, this emitting led negative pole is connected with the collector electrode of triode Q.
Described low-frequency oscillatory network is provided with pull-up resistor R1, reduction voltage circuit described in termination before this pull-up resistor R1, rear termination first capacitor C 1 one end, this the first capacitor C 1 other end shish-kebab shakes and connects the grid of switch transistor T after XT, the rear ground connection of grid string the second resistance R 2 of this switch transistor T, the source ground of switch transistor T, drain electrode connects described pull-up resistor R1 rear end, and this drain electrode also connects each described random flicker control circuit.The rear ground connection of the second capacitor C 2 is gone here and there in the drain electrode of described switch transistor T, the rear ground connection of grid string the 3rd capacitor C 3.
Described reduction voltage circuit comprises transformer, and the positive limit of this transformer winding connects civil power, and secondary winding connects the input group of electric bridge, and the output group of electric bridge connects described LED flicker control circuit.
Described electro-heat equipment control circuit comprises that sky opens group, and each air switch K that this sky is opened group is independently serially connected in the current supply circuit of one group of electro-heat equipment.
Operation principle of the present utility model is as follows:
The work of electro-heat equipment control circuit control electro-heat equipment, reduction voltage circuit is the power supply of LED flicker control circuit, and wherein, transformer will be low-voltage AC by civil power, and electric bridge is direct current by low-voltage alternating-current electric rectification.
In described LED flicker control circuit, low-frequency oscillatory network sends low frequency pulse wave to random flicker control circuit described in each group.
Described low-frequency oscillatory network sends low frequency pulse wave to described random flicker control circuit, in the time of low frequency pulse wave output high level, diode D conducting, accumulate capacitor C 4 starts charging, and the base voltage of triode Q raises gradually simultaneously, in the time reaching the conducting voltage of this triode Q, triode Q conducting, make emitting led conducting luminous, emitting led off-load is complete, and accumulate capacitor C 4 is charged again.In the time of low frequency pulse wave output low level, accumulate capacitor C 4 stops charging.
Due to the accumulate capacitor C 4 capacity differences of each random flicker control circuit, cause difference discharge time of each accumulate capacitor C 4, therefore, can produce the visual effect of the random flicker of LED.
Claims (5)
1. a flashing type electronics fireplace control circuit, comprise the electro-heat equipment control circuit and the reduction voltage circuit that are electrically connected with city, reduction voltage circuit is the power supply of LED flicker control circuit, it is characterized in that: described LED flicker control circuit comprises that a road low-frequency oscillatory network is consistent with N group structure, and the random flicker control circuit being set up in parallel, wherein low-frequency oscillatory network sends low frequency pulse wave to random flicker control circuit described in each group;
Described random flicker control circuit is provided with diode (D), the positive pole of this diode (D) connects described low-frequency oscillatory network, negative pole connects the base stage of triode (Q), the grounded emitter of this triode (Q), between the base stage of this triode (Q) and ground, be also connected with accumulate electric capacity (C4), between the base stage of this triode (Q) and collector electrode, be connected emitting ledly, this emitting led negative pole is connected with the collector electrode of triode (Q).
2. flashing type electronics fireplace control circuit according to claim 1, it is characterized in that: described low-frequency oscillatory network is provided with pull-up resistor (R1), reduction voltage circuit described in the front termination of this pull-up resistor (R1), rear termination the first electric capacity (C1) one end, this the first electric capacity (C1) other end shish-kebab shakes and connects the grid of switching tube (T) after (XT), ground connection after grid string second resistance (R2) of this switching tube (T), the source ground of switching tube (T), drain electrode connects described pull-up resistor (R1) rear end, and this drain electrode also connects each described random flicker control circuit.
3. flashing type electronics fireplace control circuit according to claim 2, is characterized in that: ground connection after the second electric capacity (C2) is gone here and there in the drain electrode of described switching tube (T), ground connection after grid string the 3rd electric capacity (C3).
4. flashing type electronics fireplace control circuit according to claim 1, it is characterized in that: described reduction voltage circuit comprises transformer, the positive limit of this transformer winding connects civil power, and secondary winding connects the input group of electric bridge, and the output group of electric bridge connects described LED flicker control circuit.
5. flashing type electronics fireplace control circuit according to claim 1, is characterized in that: described electro-heat equipment control circuit comprises that sky opens group, and each air switch (K) that this sky is opened group is independently serially connected in the current supply circuit of one group of electro-heat equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414884.0U CN203984744U (en) | 2014-07-27 | 2014-07-27 | Flashing type electronics fireplace control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414884.0U CN203984744U (en) | 2014-07-27 | 2014-07-27 | Flashing type electronics fireplace control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203984744U true CN203984744U (en) | 2014-12-03 |
Family
ID=51982159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420414884.0U Expired - Fee Related CN203984744U (en) | 2014-07-27 | 2014-07-27 | Flashing type electronics fireplace control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203984744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10508785B2 (en) | 2017-06-30 | 2019-12-17 | Hni Technologies Inc. | Light system for fireplace including chaos circuit |
-
2014
- 2014-07-27 CN CN201420414884.0U patent/CN203984744U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10508785B2 (en) | 2017-06-30 | 2019-12-17 | Hni Technologies Inc. | Light system for fireplace including chaos circuit |
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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: 20141203 Termination date: 20150727 |
|
| EXPY | Termination of patent right or utility model |