CN204730684U - A kind of electrical kiln digital display type electrical kiln circuit - Google Patents
A kind of electrical kiln digital display type electrical kiln circuit Download PDFInfo
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- CN204730684U CN204730684U CN201520379905.4U CN201520379905U CN204730684U CN 204730684 U CN204730684 U CN 204730684U CN 201520379905 U CN201520379905 U CN 201520379905U CN 204730684 U CN204730684 U CN 204730684U
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- electrical kiln
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Abstract
The utility model discloses a kind of electrical kiln digital display type electrical kiln circuit, the ON-OFF control circuit of the first triode and the second triode is comprised by design, filter out the significantly voltage pulsation in supply voltage, ON-OFF control circuit is connected with feedback branch and filter branch simultaneously, feedback branch is by the feedback regulation to voltage signal, realize ON-OFF control circuit to adjust in real time along with voltage change, filter branch filters elimination again to low-frequency oscillation residual in supply voltage.The utility model can improve the deficiencies in the prior art, is ensureing, under the prerequisite that drive circuit exports for power good, to simplify drive circuit.
Description
Technical field
The utility model relates to a kind of display driver circuit of digital display electrical kiln, especially a kind of electrical kiln digital display type electrical kiln circuit.
Background technology
Electrical kiln is a kind of high temp sintering device of potting.For the ease of operation and control, present electrical kiln generally uses the course of work of digital display control panel to electrical kiln show and regulate.The driving circuit structure of existing digital display panel is complicated, and manufacturing cost is high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electrical kiln digital display type electrical kiln circuit, can solve the deficiencies in the prior art, is ensureing, under the prerequisite that drive circuit exports for power good, to simplify drive circuit.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of electrical kiln digital display type electrical kiln circuit, power input is connected to the base stage of the first triode by the first resistance, power input is connected to the colelctor electrode of the first triode by the second resistance, three resistance of emitter stage by connecting of the first triode, 4th resistance and the first inductance ground connection, the colelctor electrode of the first triode is connected to the base stage of the second triode by the first electric capacity, the colelctor electrode of the second triode is connected between the 3rd resistance and the 4th resistance by the 5th resistance, the emitter stage of the second triode is by the second capacity earth, second inductance of emitter stage by connecting of the second triode, 6th resistance is connected with feedback branch in parallel and filter branch, feedback branch comprises the first amplifier, the positive input of the first amplifier is connected to the 6th resistance by the 7th resistance, the positive input of the first amplifier is by the 3rd capacity earth, the reverse input end of the first amplifier is by the 8th resistance eutral grounding, the reverse input end of the first amplifier is connected to the output of the first amplifier by the 4th electric capacity, the output of the first amplifier is connected to the base stage of the second triode by the 9th resistance, filter branch comprises the second amplifier, 6th resistance is connected to the positive input of the second amplifier by the 5th electric capacity and the 6th electric capacity, be connected to the output of the second amplifier by the 13 resistance between 5th electric capacity and the 6th electric capacity, the positive input of the second amplifier is by the tenth resistance eutral grounding, the reverse input end of the second amplifier is by the 11 resistance eutral grounding, the reverse input end of the second amplifier is connected to the output of the second amplifier by the 12 resistance, the output of the second amplifier is as power output end.
The beneficial effect adopting technique scheme to bring is: the utility model changes in prior art the parallel drive structure of employing of powering for digital display display module, and this drive circuit can connect multiple digital display module simultaneously, realizes for stable electrical.The significantly voltage pulsation that power supply place occurs can be cut off by the ON-OFF control circuit of the first triode and the second triode composition in time, then on the LC filter circuit of the second electric capacity and the second inductance composition, preliminary filtration is carried out by the supply voltage of ON-OFF control circuit, filter result feeds back on ON-OFF control circuit by the first amplifier, makes the control voltage of ON-OFF control circuit can carry out real-time change according to filter result.Under the filtration again of the second amplifier, eliminate low-frequency oscillation through the preliminary voltage filtered, finally export.The utility model structure is simple, can drive multiple digital display module simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model detailed description of the invention.
In figure: IN, power input; R1, the first resistance; R2, the second resistance; R3, the 3rd resistance; R4, the 4th resistance; R5, the 5th resistance; R6, the 6th resistance; R7, the 7th resistance; R8, the 8th resistance; R9, the 9th resistance; R10, the tenth resistance; R11, the 11 resistance; R12, the 12 resistance; R13, the 13 resistance; C1, the first electric capacity; C2, the second electric capacity; C3, the 3rd electric capacity; C4, the 4th electric capacity; C5, the 5th electric capacity; C6, the 6th electric capacity; L1, the first inductance; L2, the second inductance; A1, the first amplifier; A2, the second amplifier; Q1, the first triode; Q2, the second triode; OUT, power output end.
Detailed description of the invention
With reference to Fig. 1, the power input IN of the utility model detailed description of the invention is connected to the base stage of the first triode Q1 by the first resistance R1, power input IN is connected to the colelctor electrode of the first triode Q1 by the second resistance R2, the three resistance R3 of emitter stage by connecting of the first triode Q1, 4th resistance R4 and the first inductance L 1 ground connection, the colelctor electrode of the first triode Q1 is connected to the base stage of the second triode Q2 by the first electric capacity C1, the colelctor electrode of the second triode Q2 is connected between the 3rd resistance R3 and the 4th resistance R4 by the 5th resistance R5, the emitter stage of the second triode Q2 is by the second electric capacity C2 ground connection, second inductance L 2 of emitter stage by connecting of the second triode Q2, 6th resistance R6 is connected with feedback branch in parallel and filter branch, feedback branch comprises the first amplifier A1, the positive input of the first amplifier A1 is connected to the 6th resistance R6 by the 7th resistance R7, the positive input of the first amplifier A1 is by the 3rd electric capacity C3 ground connection, the reverse input end of the first amplifier A1 is by the 8th resistance R8 ground connection, the reverse input end of the first amplifier A1 is connected to the output of the first amplifier A1 by the 4th electric capacity C4, the output of the first amplifier A1 is connected to the base stage of the second triode Q2 by the 9th resistance R9, filter branch comprises the second amplifier A2,6th resistance R6 is connected to the positive input of the second amplifier A2 by the 5th electric capacity C5 and the 6th electric capacity C6, be connected to the output of the second amplifier A2 by the 13 resistance R13 between 5th electric capacity C5 and the 6th electric capacity C6, the positive input of the second amplifier A2 is by the tenth resistance R10 ground connection, the reverse input end of the second amplifier A2 is by the 11 resistance R11 ground connection, the reverse input end of the second amplifier A2 is connected to the output of the second amplifier A2 by the 12 resistance R12, the output of the second amplifier A2 is as power output end OUT.The significantly voltage pulsation that power supply place occurs can be cut off by ON-OFF control circuit that the first triode Q1 and the second triode Q2 forms in time, then on the LC filter circuit of the second electric capacity C2 and the second inductance L 2 composition, preliminary filtration is carried out by the supply voltage of ON-OFF control circuit, filter result feeds back on ON-OFF control circuit by the first amplifier A1, makes the control voltage of ON-OFF control circuit can carry out real-time change according to filter result.Under the filtration again of the second amplifier A2, eliminate low-frequency oscillation through the preliminary voltage filtered, finally export.
Wherein, first resistance R1 is 170k Ω, and the second resistance R2 is 200k Ω, and the 3rd resistance R3 is 200k Ω, 4th resistance R4 is 300k Ω, 5th resistance R5 is 75k Ω, the 6th resistance R6 is 100k Ω, and the 7th resistance R7 is 50k Ω, and the 8th resistance R8 is 100 k Ω, 9th resistance R9 is 80k Ω, tenth resistance R10 and the 11 resistance R11 is 110 k Ω, and the 12 resistance R12 is 150 k Ω, and the 13 resistance R13 is 60 k Ω.First electric capacity C1 is 100 μ F, and the second electric capacity C2 is 250 μ F, and the 3rd electric capacity is 100 μ F, and the 4th electric capacity C4 is 75 μ F, the 5th electric capacity C5 and be 300 μ F, and the 6th electric capacity C6 is 400 μ F, and the first inductance L 1 is 1mH, and the second inductance L 2 is 1.5mH.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. an electrical kiln digital display type electrical kiln circuit, it is characterized in that: power input (IN) is connected to the base stage of the first triode (Q1) by the first resistance (R1), power input (IN) is connected to the colelctor electrode of the first triode (Q1) by the second resistance (R2), three resistance (R3) of emitter stage by connecting of the first triode (Q1), 4th resistance (R4) and the first inductance (L1) ground connection, the colelctor electrode of the first triode (Q1) is connected to the base stage of the second triode (Q2) by the first electric capacity (C1), the colelctor electrode of the second triode (Q2) is connected between the 3rd resistance (R3) and the 4th resistance (R4) by the 5th resistance (R5), the emitter stage of the second triode (Q2) is by the second electric capacity (C2) ground connection, second inductance (L2) of emitter stage by connecting of the second triode (Q2), 6th resistance (R6) is connected with feedback branch in parallel and filter branch, feedback branch comprises the first amplifier (A1), the positive input of the first amplifier (A1) is connected to the 6th resistance (R6) by the 7th resistance (R7), the positive input of the first amplifier (A1) is by the 3rd electric capacity (C3) ground connection, the reverse input end of the first amplifier (A1) is by the 8th resistance (R8) ground connection, the reverse input end of the first amplifier (A1) is connected to the output of the first amplifier (A1) by the 4th electric capacity (C4), the output of the first amplifier (A1) is connected to the base stage of the second triode (Q2) by the 9th resistance (R9), filter branch comprises the second amplifier (A2), 6th resistance (R6) is connected to the positive input of the second amplifier (A2) by the 5th electric capacity (C5) and the 6th electric capacity (C6), be connected to the output of the second amplifier (A2) by the 13 resistance (R13) between 5th electric capacity (C5) and the 6th electric capacity (C6), the positive input of the second amplifier (A2) is by the tenth resistance (R10) ground connection, the reverse input end of the second amplifier (A2) is by the 11 resistance (R11) ground connection, the reverse input end of the second amplifier (A2) is connected to the output of the second amplifier (A2) by the 12 resistance (R12), the output of the second amplifier (A2) is as power output end (OUT).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379905.4U CN204730684U (en) | 2015-06-05 | 2015-06-05 | A kind of electrical kiln digital display type electrical kiln circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379905.4U CN204730684U (en) | 2015-06-05 | 2015-06-05 | A kind of electrical kiln digital display type electrical kiln circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204730684U true CN204730684U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520379905.4U Expired - Fee Related CN204730684U (en) | 2015-06-05 | 2015-06-05 | A kind of electrical kiln digital display type electrical kiln circuit |
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| CN (1) | CN204730684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979342A (en) * | 2017-11-23 | 2018-05-01 | 西安电子科技大学 | The electromagnetic interference compensation circuit of integrated circuit |
-
2015
- 2015-06-05 CN CN201520379905.4U patent/CN204730684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979342A (en) * | 2017-11-23 | 2018-05-01 | 西安电子科技大学 | The electromagnetic interference compensation circuit of integrated 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: 20151028 Termination date: 20180605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |