CN2864758Y - Control circuit for kneading machine - Google Patents
Control circuit for kneading machine Download PDFInfo
- Publication number
- CN2864758Y CN2864758Y CN 200620039172 CN200620039172U CN2864758Y CN 2864758 Y CN2864758 Y CN 2864758Y CN 200620039172 CN200620039172 CN 200620039172 CN 200620039172 U CN200620039172 U CN 200620039172U CN 2864758 Y CN2864758 Y CN 2864758Y
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- circuit
- diode
- triode
- control circuit
- rectification
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Abstract
The utility model discloses a control circuit for kneaders, comprising triodes, diodes, capacitors and resistors. The circuit includes a rectification circuit formed by connected resistors D1 to D4 and a trigger toggled motor operating circuit connected to the rectification circuit. The utility model is characterized in that thyristors are used instead of electromagnetic relays. A thyristor is concatenated in series with the rectified return circuit to form a high-voltage electric switch. A diode is provided in the return circuit to raise the voltage which assures the normal operation of the parallel circuit. And one to six diodes are further concatenated to the return circuit to provide working voltage for the parallel circuit and the sample voltage. Light-operated starting, delayed shutdown and over-current protection can be provided as needed. The circuit prevents the failure caused by the burnt-out contacts of the electromagnetic relays, and no voltage-reducing circuit or voltage regulator circuit is needed. The utility model is safe, reliable, with low cost in material and production, and has high production efficiency.
Description
Technical field
The utility model relates to a kind of control circuit, especially a kind of control circuit that is used for shredder.
Background technology
At present, the control of the cataclasm object of traditional shredder has two kinds: a kind of is mechanical delay, and its fraction defective is very high, influences production efficiency and product quality, and another kind is an electronic delay:
As shown in Figure 1, principle of work: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, makes switch SW 1 closure, capacitor C 3 chargings, and transistor Q1 conducting, relay closes makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 3 discharges stop machine time-delay running after 3 seconds;
As shown in Figure 3, principle of work: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, photron IR1 is disconnected, capacitor C 3 chargings, and transistor Q1 conducting, relay closes makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 3 discharges stop machine time-delay running after 3 seconds;
As shown in Figure 5, principle of work: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, photron IR1 is disconnected, capacitor C 3 chargings, and transistor Q1 conducting, relay closes makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 3 discharges stop machine time-delay running after 3 seconds; When the machine overload operation, increase by resistance R 2 electric currents, pressure drop raises, and makes photron TR1 conducting, and crystal visitor Q1 ends the machine overload protection.
Above-mentioned three kinds of its costs of electronic delay control circuit are higher, they need be with resistance R5, R6, capacitor C 2, form reduction voltage circuit, form mu balanced circuit with diode D3, D4, ZD1, capacitor C 4, obtain 24V DC power supply, make relay and other electronic component energy operate as normal.
Summary of the invention
The utility model is to have shredder control circuit cost now in order to reduce, and improves its quality, and provides a cover can satisfy the control circuit of shredder shredded paper different function requirements.
The technical solution adopted in the utility model is:
A kind of shredder control circuit, by triode, diode, electric capacity, resistance is formed.This circuit includes rectification circuit that one group of four diode D1 to D4 connects to form and the triggering starter motor operating circuit that joins with rectification circuit.
Trigger one of starter motor operating circuit by a touch-switch SW1 and a controllable silicon SCR 1 and two resistance R 3, R4, a triode Q1, a diode D7 connects to form, wherein between the base stage of triode Q1 and the emitter and contact a switch SW 1 and a capacitor C 1, resistance in series R4 is respectively extremely gone up in the base stage of triode Q1 and polar region, R3, and triode Q1 also connects electric capacity D7 composition delay circuit.
Trigger the starter motor operating circuit two by triode Q1, Q2, photron IR1, but keyholed back plate SCR1, resistance R 3, R4, R7 to R10, diode D5 to D7, D9, D10, capacitor C 1 connects and composes.Diode D5 in the loop after rectification, D6 and diode D7, controllable silicon SCR of series connection 1 is formed the forceful electric power switch between the D10; The diode D9 that connects again between triode Q2 and the photron IR1 in the loop after rectification is used for boosting, and the normal working voltage of parallel circuit is provided, and realizes the normal control of control circuit to the forceful electric power switch.
Trigger three of starter motor operating circuit and be after rectification series diode D5 in the loop, D6, D7, D10 forms booster circuit, provide the normal working voltage of parallel circuit, one group of photron IR1 in parallel again, four resistance R 3, R4, R9, R10, a diode D9 forms light-operated delay control circuit.
Trigger four of starter motor operating circuit and be the cement resistor R5 that in three loops of triggering the starter motor operating circuit, connects again and come sampling voltage; be connected in series a diode D8; and connect two resistance R 2; R6 and a capacitor C 2; a controllable silicon SCR 2; form the overload protection control circuit, start defencive function when realizing the overload of line work electric current.
The utility model replaces to controllable silicon with electromagnetic relay, and saves original reduction voltage circuit, mu balanced circuit, really realizes noncontacting switch, and is safe and reliable with light current control forceful electric power, effectively reduces and produces and material cost.
Description of drawings
Fig. 1 is existing traditional shredder switch delay circuit;
Fig. 2 is the utility model shredder switch delay circuit;
Fig. 3 is existing traditional shredder optically controlled delay circuit;
Fig. 4 is the utility model shredder optically controlled delay circuit;
Fig. 5 is the existing light-operated time-delay current-limiting circuit of traditional shredder;
Fig. 6 is the light-operated time-delay current-limiting circuit of the utility model shredder.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 2, a kind of shredder control circuit, by triode, diode, electric capacity, resistance is formed.This circuit includes rectification circuit that one group of four diode D1 to D4 connects to form and the triggering starter motor operating circuit that joins with rectification circuit.
Trigger one of starter motor operating circuit by a touch-switch SW1 and a controllable silicon SCR 1 and two resistance R 3, R4, a triode Q1, a diode D7 connects to form, wherein between the base stage of triode Q1 and the emitter and contact a switch SW 1 and a capacitor C 1, resistance in series R4 is respectively extremely gone up in the base stage of triode Q1 and polar region, R3, and triode Q1 also connects electric capacity D7 composition delay circuit.
Principle of work:: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, makes switch SW 1 closure, capacitor C 1 discharge, and triode Q1 ends, and controllable silicon SCR 1 conducting makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 1 charging stops machine time-delay running after 3 seconds.
As shown in Figure 4, trigger the starter motor operating circuit two by triode Q1, Q2, photron IR1, but keyholed back plate SCR1, resistance R 3, R4, R7 to R10, diode D5 to D7, D9, D10, capacitor C 1 connects and composes.Diode D5 in the loop after rectification, D6 and diode D7, controllable silicon SCR of series connection 1 is formed the forceful electric power switch between the D10; The diode D9 that connects again between triode Q2 and the photron IR1 in the loop after rectification is used for boosting, and the normal working voltage of parallel circuit is provided, and realizes the normal control of control circuit to the forceful electric power switch.
Principle of work: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, photron IR1 is disconnected, capacitor C 1 charging, and triode Q2 conducting, triode Q1 ends, and controllable silicon SCR 1 conducting makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 1 charging stops machine time-delay running after 3 seconds.
As shown in Figure 6, trigger the starter motor operating circuit three after rectification series diode D5 in the loop, D6, D7, D10 forms booster circuit, provide the normal working voltage of parallel circuit, one group of photron IR1 in parallel again, four resistance R 3, R4, R9, R10, a diode D9 forms light-operated delay control circuit.
Trigger four of starter motor operating circuit and be the cement resistor R5 that in three loops of triggering the starter motor operating circuit, connects again and come sampling voltage; be connected in series a diode D8; and connect two resistance R 2; R6 and a capacitor C 2; a controllable silicon SCR 2; form the overload protection control circuit, start defencive function when realizing the overload of line work electric current.
Principle of work: when slide switch pushed counter-rotating, motor made the machine counter-rotating; When slide switch pushes when just changeing, the shredder lamp is bright, enters holding state, when having paper to enter machine, photron IR1 is disconnected, capacitor C 1 charging, and triode Q2 conducting, triode Q1 ends, and controllable silicon SCR 1 conducting makes the machine work of just changing a job; Broken when intact when paper, switch SW 1 is opened, and capacitor C 1 charging stops machine time-delay running after 3 seconds; When the machine overload operation, increase by resistance R 2 electric currents, pressure drop raises, and makes photron TR1 conducting, and triode Q1 ends, the machine overload protection.
Claims (5)
1. shredder control circuit, by triode, diode, electric capacity, resistance is formed, and it is characterized in that: this circuit includes rectification circuit that one group four diodes (D1) to (D4) connect to form and the triggering starter motor operating circuit that joins with rectification circuit.
2. shredder control circuit according to claim 1, it is characterized in that, described triggering starter motor operating circuit is by a touch-switch (SW1) and a controllable silicon (SCR1) and two resistance (R3, R4), a triode (Q1), a diode (D7) connects to form, wherein between the base stage of triode (Q1) and the emitter and contact switch (SW1) and electric capacity (C1), resistance in series (R4 is respectively extremely gone up in the base stage of triode (Q1) and polar region, R3), triode (Q1) and connect electric capacity (D7) and form delay circuit.
3. shredder control circuit according to claim 1 is characterized in that, described triggering starter motor operating circuit is by triode (Q1, Q2), photron (IR1), but keyholed back plate (SCR1), resistance (R3, R4 is R7) to (R10), diode (D5) is to (D7), (D9, D10), electric capacity (C1) connects and composes, diode in the loop after rectification (D5, D6) and diode (D7, D10) between a controllable silicon of series connection (SCR1) form the forceful electric power switch; The diode (D9) of connecting again between triode Q2 and the photron (IR1) in the loop after rectification is used for boosting, and the normal working voltage of parallel circuit is provided, and realizes the normal control of control circuit to the forceful electric power switch.
4. according to claim 1 or 3 described shredder control circuits, it is characterized in that described triggering starter motor operating circuit series diode (D5 in the loop after rectification, D6, D7 D10) forms booster circuit, and the normal working voltage of parallel circuit is provided, one group of photron in parallel again (IR1), four resistance (R3, R4, R9, R10), a diode (D9) is formed light-operated delay control circuit.
5. shredder control circuit according to claim 3; it is characterized in that; the described triggering starter motor operating circuit cement resistor (R5) of connecting again in the loop after rectification comes sampling voltage; be connected in series a diode (D8); and meet two resistance (R2; R6) and an electric capacity (C2), a controllable silicon (SCR2) is formed the overload protection control circuit, starts defencive function when realizing the overload of line work electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039172 CN2864758Y (en) | 2006-01-24 | 2006-01-24 | Control circuit for kneading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039172 CN2864758Y (en) | 2006-01-24 | 2006-01-24 | Control circuit for kneading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864758Y true CN2864758Y (en) | 2007-01-31 |
Family
ID=37677209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620039172 Expired - Fee Related CN2864758Y (en) | 2006-01-24 | 2006-01-24 | Control circuit for kneading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864758Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008116350A1 (en) * | 2007-03-27 | 2008-10-02 | Fenqiang Zhong | A safety paper-shredder and its paper-inlet tactile sensing device |
-
2006
- 2006-01-24 CN CN 200620039172 patent/CN2864758Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008116350A1 (en) * | 2007-03-27 | 2008-10-02 | Fenqiang Zhong | A safety paper-shredder and its paper-inlet tactile sensing device |
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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: 20070131 |