CN201418052Y - Device for controlling power supply of DC motor - Google Patents
Device for controlling power supply of DC motor Download PDFInfo
- Publication number
- CN201418052Y CN201418052Y CN200920132244XU CN200920132244U CN201418052Y CN 201418052 Y CN201418052 Y CN 201418052Y CN 200920132244X U CN200920132244X U CN 200920132244XU CN 200920132244 U CN200920132244 U CN 200920132244U CN 201418052 Y CN201418052 Y CN 201418052Y
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- direct current
- power supply
- positive
- module
- supply module
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Abstract
The utility model provides a device for controlling the power supply of a DC (direct-current) motor. The device includes a DC power supplying module, an anode and cathode reversing module connected with the DC power supplying module, a reversing operation switch connected with the anode and cathode reversing module, and a power output interface connected with the anode and cathode reversing module. The DC power generated by the DC power supplying module passes through the anode and cathode reversing module and is output from the power output interface under the control of the reversing operation switch, so as to realize the anode and cathode reversing of the power output interface. The device for controlling the power supply of the DC motor integrates the DC power supplying module and theanode and cathode reversing module onto the same PCB and into the same housing, one reversing device used for connection in the prior art is eliminated, and the cost and the device power consumption are reduced; and the part volume is reduced, thereby facilitating the optimization of product structure and assembly process.
Description
Technical field
The utility model relates to a kind of DC power supply, particularly a kind of dc motor power feeding controller of may command output commutation.
Background technology
Direct current machine has the advantages that accurately to control rotary speed or torque, is used widely, and direct current machine is equipped with DC power supply usually, so that its working power to be provided.For the direct current machine that need to be used to rotating work, for example be used for massage armchair as occasions such as power sources, be provided with both positive and negative polarity reversing arrangement or module between direct current machine and DC power supply, the both positive and negative polarity by this both positive and negative polarity reversing arrangement or module controls dc motor power input two ends commutates and realizes that direct current machine turns to switching.Yet, outside DC power supply, connect a both positive and negative polarity reversing arrangement or module again and realize the both positive and negative polarity commutation of dc motor power input two ends, its cost height, and energy consumption is also high.
The utility model content
The purpose of this utility model is to provide a kind of dc motor power feeding controller, it is by inserting the both positive and negative polarity inverting module in DC power supply, thereby can realize the power supply supply of direct current machine and turn to control by single equipment, reduce cost, and energy efficient.
For achieving the above object, the utility model dc motor power feeding controller comprises: the power output interface of direct current power supply module, the both positive and negative polarity inverting module that connects the direct current power supply module, the switch operation switch that connects the both positive and negative polarity inverting module and connection both positive and negative polarity inverting module.The DC power supply that the direct current power supply module produces is exported from power output interface under the control of switch operation switch via the both positive and negative polarity inverting module, thereby realizes the both positive and negative polarity commutation of power output interface.
Described direct current power supply module is a Switching Power Supply.
Described both positive and negative polarity inverting module adopts relay as control element.
Described relay is two conversion hysteria relays, and the moving contact of relay is connected with power output interface, and two fixed contacts connect the both positive and negative polarity of direct current power supply module respectively; When the coil of relay is not switched on, moving contact and the fixed contact closure that is connected direct current power supply module negative pole, during the relay coil energising, moving contact and the fixed contact closure that is connected direct current power supply module positive pole; Relay coil one end is connected with the direct current power supply module is anodal, and the other end connects an ON-OFF control circuit.
Described ON-OFF control circuit is a control element with NPN type triode, is connected with direct current power supply module negative pole at the emitter of triode, and collector electrode is connected with coil, is connected in series a resistance between the external resistance of base stage, base stage and emitter.
Described both positive and negative polarity inverting module adopts metal-oxide-semiconductor as control element.
Described metal-oxide-semiconductor is the four NMOS pipe, and the source electrode s of two NMOS pipes is connected with the direct current power supply module is anodal in the four NMOS pipe, and drain electrode is connected with output port of power source; The drain electrode d of two other NMOS pipe and direct current power supply module negative pole, source electrode is connected with output port.
Described four NMOS pipe connects and composes the H bridge circuit.
Adopt wired connection between described switch operation switch and the both positive and negative polarity inverting module.
Adopt wireless connections between described switch operation switch and the both positive and negative polarity inverting module.
Described power output interface and direct current machine two ends electrically connect.
Dc motor power feeding controller of the present utility model, be integrated into direct current power supply module and both positive and negative polarity inverting module on the same PCB wiring board and same shell in, reduce connection than prior art and use a reversing arrangement, reduced cost and reduced plant energy consumption; Dwindle piece volumes, helped the optimization of product structure and assembly technology.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effect apparent by embodiment of the present utility model is described in detail.
Fig. 1 is the theory diagram of the utility model dc motor power feeding controller.
Fig. 2 is that the utility model one embodiment both positive and negative polarity inverting module adopts the schematic diagram of relay as control element.
Fig. 3 is that the utility model one embodiment both positive and negative polarity inverting module adopts the schematic diagram of metal-oxide-semiconductor as control element.
Embodiment
For further setting forth technological means and the effect thereof that the utility model is taked, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
As shown in Figure 1, the utility model dc motor power feeding controller comprises: the power output interface 8 of direct current power supply module 2, the both positive and negative polarity inverting module 4 that connects direct current power supply module 2, the switch operation switch 6 that connects both positive and negative polarity inverting module 4 and connection both positive and negative polarity inverting module 4.The DC power supply that direct current power supply module 2 produces is exported from power output interface 8 under the control of switch operation switch 6 via both positive and negative polarity inverting module 4, thereby realizes the both positive and negative polarity commutation of power output interface 8.
The both positive and negative polarity inverting module 4 of the utility model one embodiment adopts relay as control element.As shown in Figure 2, direct current power supply module 2 is a Switching Power Supply, output voltage V cc, both positive and negative polarity inverting module 4 comprises 43,44 and four resistance 45,46,47,48 of 41,42, two triodes of two relays, switch operation switch 6 comprises two control switchs 62,64, power output interface 8 can connect direct current machine 3, and direct current machine 3 comprises two power inputs 32,34.
The dynamic contact 412 of relay 41 is connected with power output interface 8, and then is connected with the input 32 of direct current machine 3; The static contact 414 of relay 41 is connected with the positive pole of direct current power supply module 2; The static contact 416 of relay 41 is connected with the negative pole of direct current power supply module 2; Coil 418, one ends of relay 41 are connected with the positive pole of direct current power supply module 2, and the other end is connected with the collector electrode c of triode 43; The collector electrode c of triode 43 is connected with coil 418, emitter e is connected with the negative pole of direct current power supply module 2, base stage b is connected with an end of control switch 62, be connected in series a resistance 45 between base stage b and the emitter e, be connected in series a resistance 47 between base stage b and the control switch 62, constitute an ON-OFF control circuit; Control switch 62 1 ends are connected with the base stage b of triode 43, and the other end is connected with the positive pole of direct current power supply module 2.The dynamic contact 422 of relay 42 connects 8 mouthfuls with power supply output and is connected, and then is connected with the input 34 of direct current machine 3; The static contact 424 of relay 42 is connected with the positive pole of direct current power supply module 2; The static contact 426 of relay 42 is connected with the negative pole of direct current power supply module 2; Coil 428, one ends of relay 42 are connected with the positive pole of direct current power supply module 2, and the other end is connected with the collector electrode c of triode 44; The collector electrode c of triode 44 is connected with coil 428, emitter e is connected with the negative pole of stream power supply module 2, and base stage b is connected with an end of control switch 64, is connected in series a resistance 46 between base stage b and the emitter e, be connected in series a resistance 48 between base stage b and the control switch 64, constitute an ON-OFF control circuit; Control switch 64 1 ends are connected with the base stage b of triode 44, and the other end is connected with the positive pole of direct current power supply module 2.
When control switch 62,64 all disconnects, no-voltage is added on the base stage b of triode 43,44, the collector electrode c of triode 43,44 and the neither conducting of emitter e, thereby the coil 418,428 of relay 41,42 does not have electric current to pass through, dynamic contact 412 and static contact 416 closures, dynamic contact 422 and static contact 426 closures, the input 32,34 of direct current machine 3 all is connected to the negative pole of direct current power supply module 2 at this moment, no-voltage is poor between the input 32,34 of direct current machine 3, and direct current machine 3 does not rotate.
When control switch 62 closures, 64 disconnect, voltage vcc is added on the base stage b of triode 43, its collector electrode c and emitter e conducting, there is electric current to pass through coil 418, dynamic contact 412 and static contact 416 are disconnected, with static contact 414 closures, dynamic contact 412 is connected with the positive pole of direct current power supply module 2, and promptly the input 32 of direct current machine 3 is connected with the positive pole of direct current power supply module 2; No-voltage is added on the base stage b of triode 44, its collector electrode c and not conducting of emitter e, there is not electric current to pass through coil 428, so dynamic contact 422 is connected with the negative pole of direct current power supply module 2, be that the input 34 of direct current machine 3 connects with the negative pole of direct current power supply module 2 and is connected, produce voltage difference between the input 32,34 of direct current machine 3, direct current machine 3 begins to rotate.
When control switch 62 disconnections, 64 closures, voltage vcc is added on the base stage b of triode 44, its collector electrode c and emitter e conducting, there is electric current to pass through coil 428, dynamic contact 422 and static contact 426 are disconnected, with static contact 424 closures, dynamic contact 422 is connected with the positive pole of direct current power supply module 2, and promptly the input 34 of direct current machine 3 is connected with the positive pole of direct current power supply module 2; No-voltage is added on the base stage b of triode 43, its collector electrode c and not conducting of emitter e, there is not electric current to pass through coil 418, so dynamic contact 412 is connected with the negative pole of direct current power supply module 2, be that the input 32 of direct current machine 3 connects with the negative pole of direct current power supply module 2 and is connected, voltage both positive and negative polarity commutation between the input 32,34 of direct current machine 3, direct current machine 3 turns to switching.
When control switch 62,64 is all closed, voltage vcc is added on the base stage b of triode 43,44, the collector electrode c of triode 43,44 and all conductings of emitter e, there is electric current to pass through coil 418,428, make dynamic contact 412 and static contact 414 closures, dynamic contact 422 and static contact 424 closures, dynamic contact 412,422 all is connected with the positive pole of direct current power supply module 2, the input 32,34 that is direct current machine 3 all is connected with the positive pole of direct current power supply module 2, no-voltage is poor between the input 32,34 of direct current machine 3, and direct current machine 3 stops operating.
Both positive and negative polarity inverting module 4 as the another embodiment of the utility model adopts metal-oxide-semiconductor as control element.As shown in Figure 3, direct current power supply module 2 is a Switching Power Supply, output voltage V cc, both positive and negative polarity inverting module 4 comprises 51,52,53,54 and four resistance 55,56,57,58 of four metal-oxide-semiconductors, switch operation switch 6 comprises control switch 66,68, power output interface 8 connects direct current machine 3, and direct current machine 3 comprises two power inputs 32,34.
The source electrode s of metal-oxide-semiconductor 51 is connected with the positive pole of direct current power supply module 2, and drain electrode d is connected with the input 32 of direct current machine 3, and grid g is connected with control switch 68 1 ends, is connected in series a resistance 55 between grid g and the control switch 68; The drain electrode d of metal-oxide-semiconductor 53 is connected with the negative pole of direct current power supply module 2, and source electrode s is connected with the input 32 of direct current machine 3, and grid g is connected with control switch 66 1 ends, is connected in series a resistance 56 between grid g and the control switch 66; The source electrode s of metal-oxide-semiconductor 52 is connected with the positive pole of direct current power supply module 2, and drain electrode d is connected with the input 34 of direct current machine 3, and grid g is connected with control switch 66 1 ends, is connected in series a resistance 57 between grid g and the control switch 66; The drain electrode d of metal-oxide-semiconductor 54 is connected with the negative pole of direct current power supply module 2, and source electrode s is connected with the input 34 of direct current machine 3, and grid g is connected with control switch 68 1 ends, is connected in series a resistance 58 between grid g and the control switch 68; Control switch 66,68, one ends are connected with the grid g of metal-oxide-semiconductor, and the other end inserts cut-in voltage U, and metal-oxide- semiconductor 51,52,53,54 constitutes the H bridge circuit.
When control switch 66,68 all disconnected, no cut-in voltage was added on the grid g of metal-oxide- semiconductor 51,52,53,54, the source electrode s of metal-oxide- semiconductor 51,52,53,54 and the neither conducting of drain electrode d, and no-voltage is added on the input 32,34 of direct current machine 3, and direct current machine 3 does not rotate;
When control switch 66 closures, 68 disconnect, cut-in voltage U is added on the grid g of metal-oxide- semiconductor 52,53, the source electrode s of metal-oxide- semiconductor 52,53 and drain electrode d conducting, then the input 32 of direct current machine 3 is connected with the negative pole of direct current power supply module 2, the positive pole of input 34 direct current power supply modules 2 connects, produce voltage difference between the input 32,34 of direct current machine 3, direct current machine 3 rotates;
When control switch 66 disconnects, 68 closures, cut-in voltage is added on the grid g of metal-oxide- semiconductor 51,54, the source electrode s of metal-oxide- semiconductor 51,54 and drain electrode d conducting, then the positive pole of the input 32 direct current power supply modules 2 of direct current machine 3 connects the negative pole connection of Ei, input 34 direct current power supply modules 2, voltage both positive and negative polarity commutation between the input 32,34 of direct current machine 3, direct current machine 3 turns to switching.
When control switch 66,68 was all closed, cut-in voltage was added on the grid g of metal-oxide- semiconductor 51,52,53,54, the source electrode s of metal-oxide- semiconductor 51,52,53,54 and drain electrode d conducting, and no-voltage is poor between the input 32,34 of direct current machine 3, and direct current machine 3 stops operating.
Above among described all embodiment, directly be connected with connecting line between switch operation switch and the both positive and negative polarity inverting module, i.e. wired connection.
The another embodiment that the switch operation switch is connected with the both positive and negative polarity inverting module, switch operation switch and both positive and negative polarity inverting module adopt wireless connections, promptly wireless signal transmitter is set, the operational order of switch operation switch is changed into wireless signal at the switch operation switch; At both positive and negative polarity inverting module signalization receiver, accept the instruction of switch operation switch, to realize aligning the control of negative commutation segment module.
In sum, the utility model dc motor power feeding controller, be integrated into direct current power supply module and both positive and negative polarity inverting module on the same PCB wiring board and same shell in, reduce to connect than prior art and use a reversing arrangement, reduced cost and reduced plant energy consumption; Dwindle piece volumes, helped the optimization of product structure and assembly technology.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.
Claims (10)
1, a kind of dc motor power feeding controller, it is characterized in that, comprising: the power output interface of direct current power supply module, the both positive and negative polarity inverting module that connects the direct current power supply module, the switch operation switch that connects the both positive and negative polarity inverting module and connection both positive and negative polarity inverting module; The DC power supply that the direct current power supply module produces is exported from power output interface under the control of switch operation switch via the both positive and negative polarity inverting module, thereby realizes the both positive and negative polarity commutation of power output interface.
2, dc motor power feeding controller as claimed in claim 1 is characterized in that, described direct current power supply module is a Switching Power Supply.
3, dc motor power feeding controller as claimed in claim 1 is characterized in that, described both positive and negative polarity inverting module adopts relay as control element.
4, dc motor power feeding controller as claimed in claim 3, it is characterized in that, described relay is two conversion hysteria relays, and the moving contact of relay is connected with power output interface, and two fixed contacts connect the both positive and negative polarity of direct current power supply module respectively; When the coil of relay is not switched on, moving contact and the fixed contact closure that is connected direct current power supply module negative pole, during the relay coil energising, moving contact and the fixed contact closure that is connected direct current power supply module positive pole; Relay coil one end is connected with the direct current power supply module is anodal, and the other end connects an ON-OFF control circuit.
5, dc motor power feeding controller as claimed in claim 4, it is characterized in that, described ON-OFF control circuit is a control element with NPN type triode, emitter at triode is connected with direct current power supply module negative pole, collector electrode is connected with coil, be connected in series a resistance between the external resistance of base stage, base stage and emitter.
6, dc motor power feeding controller as claimed in claim 1 is characterized in that, described both positive and negative polarity inverting module adopts metal-oxide-semiconductor as control element.
7, dc motor power feeding controller as claimed in claim 6 is characterized in that, described metal-oxide-semiconductor is the four NMOS pipe, and the source electrode of two NMOS pipes is connected with the direct current power supply module is anodal in the four NMOS pipe, and drain electrode is connected with output port of power source; The drain electrode of two other NMOS pipe and direct current power supply module negative pole, source electrode is connected with output port.
8, dc motor power feeding controller as claimed in claim 7 is characterized in that, described four NMOS pipe connects and composes the H bridge circuit.
9, dc motor power feeding controller as claimed in claim 1 is characterized in that, adopts wired connection or wireless connections between described switch operation switch and the both positive and negative polarity inverting module.
10, dc motor power feeding controller as claimed in claim 1 is characterized in that, described power output interface and direct current machine two ends electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920132244XU CN201418052Y (en) | 2009-05-27 | 2009-05-27 | Device for controlling power supply of DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920132244XU CN201418052Y (en) | 2009-05-27 | 2009-05-27 | Device for controlling power supply of DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201418052Y true CN201418052Y (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920132244XU Expired - Fee Related CN201418052Y (en) | 2009-05-27 | 2009-05-27 | Device for controlling power supply of DC motor |
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| Country | Link |
|---|---|
| CN (1) | CN201418052Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781248A (en) * | 2014-01-20 | 2014-05-07 | 南京云泰电气制造有限公司 | Bi-directional driving LED circuit |
| CN111246112A (en) * | 2020-03-04 | 2020-06-05 | 维沃移动通信有限公司 | Power supply circuit and power supply method of camera module and electronic equipment |
-
2009
- 2009-05-27 CN CN200920132244XU patent/CN201418052Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781248A (en) * | 2014-01-20 | 2014-05-07 | 南京云泰电气制造有限公司 | Bi-directional driving LED circuit |
| CN111246112A (en) * | 2020-03-04 | 2020-06-05 | 维沃移动通信有限公司 | Power supply circuit and power supply method of camera module and electronic equipment |
| CN111246112B (en) * | 2020-03-04 | 2021-03-23 | 维沃移动通信有限公司 | Power supply circuit and power supply method of camera module and electronic equipment |
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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: 20100303 Termination date: 20130527 |