CN201282396Y - Motor with switch constant voltage power source - Google Patents
Motor with switch constant voltage power source Download PDFInfo
- Publication number
- CN201282396Y CN201282396Y CNU2008201667652U CN200820166765U CN201282396Y CN 201282396 Y CN201282396 Y CN 201282396Y CN U2008201667652 U CNU2008201667652 U CN U2008201667652U CN 200820166765 U CN200820166765 U CN 200820166765U CN 201282396 Y CN201282396 Y CN 201282396Y
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- circuit
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- motor
- power supply
- voltage
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Abstract
The utility model relates to the field of motor manufacture, in particular to a motor equipped with a switch stabilized voltage supply applied on a financial mechanical tool product. The utility model is characterized in that a support is arranged in the space of a frame and a back cap based on the prior motor structure; a switch stabilized voltage supply circuit board is arranged inside the support; the circuit board comprises a rectifier circuit, a filter circuit, a transformation circuit, a switching circuit, a reactive circuit, a half-wave control circuit, a motor control circuit, a control signal circuit and an output DC voltage circuit. The switch stabilized voltage supply is a pulse width modulated control switch stabilized voltage supply. The switch stabilized voltage supply has the characteristics of high efficiency, compactness, low cost and capability of being used for currency movement of a currency count machine as a drive control power supply and providing a half-wave rectification power supply for the currency count machine, as well as providing good conditions for the steady operation and the special requirements of the currency count machine.
Description
Technical field
The utility model relates to field of motor manufacturing, particularly is applied to the motor that switching power supply is housed on the financial machine and tool product.
Background technology
Motor in the past, because stabilized voltage power supply is not installed, jiggly situation appears in motor in the running, influences the functional reliability of equipment.Especially be applied on financial machine and tool such as the paper money counter,, thereby influence the precision of counting because motor rotation is not steady.
The utility model content
The purpose of this utility model is at above-mentioned defective, and a kind of motor that switching power supply is housed is provided.
The technical solution of the utility model is the motor that switching power supply is housed, comprise protecgulum 1, casing 2, bonnet 3, motor shaft 4, movement 5, support 6, bearing 7, it is characterized in that in the space of support 6 and bonnet 3, support 8 being installed, switching power supply wiring board 9 is installed in it.
On the said switching power supply wiring board 9, comprise rectification circuit, filter circuit, transforming circuit, switching circuit, feedback circuit, half-wave control circuit, motor control circuit, control signal circuit, output DC volt circuit; The output of said rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of said output DC volt circuit output, positive 5V and positive 12V voltage.
Said feedback and switching circuit are electrically connected by voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel to be formed; Said half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.
The utility model has the advantages that because this is a kind of pulse width modulation control switch stabilized voltage power supply, the characteristics of this power supply be efficient, volume is little, cost is low, offer paper money counter and cross the paper money direct current machine and make drive control power supply, provide the halfwave rectifier power supply to paper money counter simultaneously; Steady operation and specific (special) requirements for paper money counter provide good condition.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the circuit block diagram of switching power supply.
Fig. 3 is the circuit theory diagrams of switching power supply.
Embodiment
Further specify embodiment below in conjunction with accompanying drawing.
With reference to Fig. 1,1-protecgulum, 2-casing, 3-bonnet, 4-motor shaft, 5-movement, 6-support, 7-bearing, 8-support, 9-switching power supply wiring board.As shown, in the space of support 6 and bonnet 3, support 8 is installed, switching power supply wiring board 9 is installed in the support 8.
With reference to Fig. 2, the block diagram of display switch voltage-stabilized power supply circuit.Whole circuit is made up of rectification circuit, filter circuit, transforming circuit, feedback and switching circuit, half-wave control circuit, motor control circuit, control signal circuit and output dc voltage circuit.Its operation principle is mains ac power supply 220V, through bridge rectifier is high direct voltage through DC filtering again, be modulated to high-frequency pulse voltage through pulsewidth, operating frequency is 60KHZ, just transformation is controlled through the sampling feedback linearization again, and voltage stabilizing is finished in controlled pulse-width modulation, to the direct current machine drive controlling, again power supply is carried out half-wave alternating current output Linear Control.
With reference to Fig. 3 is the circuit theory diagrams of switching power supply.Chart display the type and spec of each electronic devices and components.As shown, civil power alternating current 220V input interface J1, through the bridge rectifier rectification, input filter circuit filtering, just the output of rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of output DC volt circuit output, positive 5V and positive 12V voltage.Feedback and switching circuit are made up of voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel electrical connection; The half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.Three kinds of power supplys of output DC volt circuit output: the one, negative 5V, the 2nd, positive 5V, the 3rd, positive 12V power supply offers paper money counter and uses.This power supply is the pulse width modulating switch stabilized voltage power supply, as is used on the paper money counter of financial machine and tool product to be again paper money small machine drive control power supply, and also to be the special-purpose halfwave rectifier power supply of paper money counter.
Claims (3)
1, the motor of switching power supply is housed, comprise protecgulum (1), casing (2), bonnet (3), motor shaft (4), movement (5), support (6), bearing (7), it is characterized in that in the space of support (6) and bonnet (3), support (8) being installed, switching power supply wiring board (9) is installed in it.
2, according to the said motor that switching power supply is housed of claim 1, it is characterized in that comprising rectification circuit, filter circuit, transforming circuit, switching circuit, feedback circuit, half-wave control circuit, motor control circuit, control signal circuit, output DC volt circuit on the said switching power supply wiring board (9); The output of said rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of said output DC volt circuit output, positive 5V and positive 12V voltage.
3,, it is characterized in that said feedback and switching circuit are electrically connected by voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel to form according to the said motor that switching power supply is housed of claim 2; Said half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201667652U CN201282396Y (en) | 2008-10-20 | 2008-10-20 | Motor with switch constant voltage power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201667652U CN201282396Y (en) | 2008-10-20 | 2008-10-20 | Motor with switch constant voltage power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201282396Y true CN201282396Y (en) | 2009-07-29 |
Family
ID=40929262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201667652U Expired - Fee Related CN201282396Y (en) | 2008-10-20 | 2008-10-20 | Motor with switch constant voltage power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201282396Y (en) |
-
2008
- 2008-10-20 CN CNU2008201667652U patent/CN201282396Y/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: 20090729 Termination date: 20101020 |