CN203812677U - Energy saver of electric mechanism - Google Patents
Energy saver of electric mechanism Download PDFInfo
- Publication number
- CN203812677U CN203812677U CN201420147891.9U CN201420147891U CN203812677U CN 203812677 U CN203812677 U CN 203812677U CN 201420147891 U CN201420147891 U CN 201420147891U CN 203812677 U CN203812677 U CN 203812677U
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- CN
- China
- Prior art keywords
- electromagnet
- electrically connected
- effect transistor
- field effect
- triode
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Abstract
The utility model relates to an energy saver of an electric mechanism, comprising an electromagnet L1 and an electromagnet L2, wherein the electromagnet L1 is connected with the shaft end of a first motor in an assembled manner; the electromagnet L2 is connected with the shaft end of a second motor in an assembled manner. The energy saver of the electric mechanism also comprises a P-type field effect transistor Q1, a P-type triode Q2 and resistors R1 and R2, wherein one end of the electromagnet L1 and one end of the electromagnet L2 are respectively electrically connected with the drain electrode D of the P-type field effect transistor Q1; the source electrode S of the P-type field effect transistor Q1 is electrically connected with the emitting electrode of the P-type triode Q2, and is connected with the positive pole of a power supply; the collector electrode of the P-type triode Q2 is simultaneously electrically connected with one end of the resistor R2 and the grid electrode G of the P-type field effect transistor Q1; the other end of the electromagnet L1, the other end of the electromagnet L2 and the other end of the resistor R2 are grounded simultaneously; the base electrode of the triode Q2 is electrically connected with one end of the resistor R1; the other end of the resistor R1 is the input terminal Vi of a PWM (Pulse-Width Modulation) chopper wave which is electrically connected with the PWM chopper wave. The energy saver of the electric mechanism is capable of effectively reducing the operation power consumption of the electromagnets.
Description
Technical field
The utility model relates to a kind of energy saver, is specifically related to a kind of energy saver of the motor drive mechanism for electric motor car or electric wheelchair.
Background technology
Motor drive mechanism described in the utility model refers to the motor drive mechanism for application scenarios such as electric motor car or electric wheelchairs.Described motor drive mechanism comprises the first motor, the second motor, the first gearbox, the second gearbox, electromagnet L1 and electromagnet L2, described electromagnet L1 is contained in the axle head of the first motor, electromagnet L2 is contained in the axle head of the second motor, and the first motor and the second motor are in transmission connection by the first gearbox and the second gearbox respectively, wherein, electromagnet is brake component.Certainly, some electric structures only include two motors, and with the axle head of two motors electromagnet of load respectively.
When electric motor car or electric wheelchair braking, electromagnet must not be electric; When electric motor car or electric wheelchair are under operating mode, when electromagnet obtains electric adhesive, need high voltage, and keep the voltage of attracting state relatively to reduce a lot.For example, if the rated voltage of motor is 24V, the power supply of electromagnet is also 24V, and electromagnet needed voltage when adhesive is greater than 20V so, and electromagnet after adhesive keeps the voltage of attracting state only to need 6V left and right; If the high voltage while keeping adhesive after electromagnetic actuation, just causes the power consumption of electromagnet larger always, the heat of generation is higher, therefore, not only not energy-conservation, and useful life is short.
Summary of the invention
The purpose of this utility model is: provide a kind of energy saver that can effectively reduce the motor drive mechanism of electromagnet power consumption, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model: a kind of energy saver of motor drive mechanism, comprise with the electromagnet L1 of the first motor shaft end load and with the electromagnet L2 of the second motor shaft end load, its innovative point is: the field effect transistor Q1 that also comprises P type, the triode Q2 of P type, resistance R 1 and resistance R 2, one end of one end of described electromagnet L1 and electromagnet L2 is electrically connected to the drain D of field effect transistor Q1 respectively, the source S of field effect transistor Q1 is electrically connected to and connects positive source with the emitter of triode Q2, the collector electrode while of described triode Q2 and one end of resistance R 2, the grid G of effect pipe Q1 is electrically connected to, the other end of described electromagnet L1, the other end of the other end of electromagnet L2 and resistance R 2 is ground connection simultaneously, the base stage of described triode Q2 is electrically connected to one end of resistance R 1, the other end of resistance R 1 is the PWM copped wave input terminal Vi being electrically connected to PWM copped wave.
The good effect that the utility model has is: adopt after above-mentioned energy saver, during use, PWM copped wave input terminal Vi access PWM of the present utility model copped wave, by the low and high level of PWM copped wave, make triode Q2 conducting or the cut-off of P type, thereby control the source S of P type field effect transistor Q1 and conducting or the cut-off of drain D, when regulating the duty ratio of this PWM copped wave, can control the time scale of conducting and the cut-off of field effect transistor, thereby can regulating magnet L1 and the height of the supply power voltage of electromagnet L2, guarantee that electromagnet L1 and electromagnet L2 use high voltage (for example 24v) conducting when initial turn-on, after electromagnet L1 and the complete conducting of electromagnet L2, adjust the duty ratio of PWM copped wave, just the high voltage drop of initial turn-on can be maintained to the low-voltage (for example 8-10v) of adhesive to electromagnet L1 and electromagnet L2, and then reduced the electrical current of electromagnet L1 and electromagnet L2, therefore, the utility model not only can reduce the operation power consumption of electromagnet, and the heat producing is also lower, make the long service life of electromagnet, reached energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited to this.
As shown in Figure 1, a kind of energy saver of motor drive mechanism, comprise with the electromagnet L1 of the first motor shaft end load and with the electromagnet L2 of the second motor shaft end load, the field effect transistor Q1 that also comprises P type, the triode Q2 of P type, resistance R 1 and resistance R 2, one end of one end of described electromagnet L1 and electromagnet L2 is electrically connected to the drain D of field effect transistor Q1 respectively, the source S of field effect transistor Q1 is electrically connected to and connects positive source with the emitter of triode Q2, the collector electrode while of described triode Q2 and one end of resistance R 2, the grid G of field effect transistor Q1 is electrically connected to, the other end of described electromagnet L1, the other end of the other end of electromagnet L2 and resistance R 2 is ground connection simultaneously, the base stage of described triode Q2 is electrically connected to one end of resistance R 1, the other end of resistance R 1 is the PWM copped wave input terminal Vi being electrically connected to PWM copped wave.
The field effect transistor Q1 of the utility model P type also can substitute with the triode of common positive-negative-positive, and source S, grid G, the drain D of P type field effect transistor Q1 correspond respectively to emitter e, base stage b and the collector electrode c of above-mentioned positive-negative-positive triode.
The course of work of the present utility model: during use, PWM copped wave input terminal Vi access PWM of the present utility model copped wave, by the low and high level of PWM copped wave, make triode Q2 conducting or the cut-off of P type, thereby control the source S of P type field effect transistor Q1 and conducting or the cut-off of drain D;
When regulating the duty ratio of this PWM copped wave, can regulating magnet L1 and the height of the supply power voltage of electromagnet L2, guarantee that electromagnet L1 and electromagnet L2 use high voltage (for example 24v) conducting when initial turn-on, after electromagnet L1 and the complete conducting of electromagnet L2, adjust the duty ratio of PWM copped wave, just the high voltage drop of initial turn-on can be maintained to the low-voltage (for example 8-10v) of adhesive to electromagnet L1 and electromagnet L2, and then reduced the electrical current of electromagnet L1 and electromagnet L2, therefore, the utility model not only can reduce the operation power consumption of electromagnet, and the heat producing is also lower, make the long service life of electromagnet, reached energy-conservation object.
Hence one can see that, and the utility model can effectively reduce the operation power consumption of electromagnet, and the heat producing while making electromagnet operation is low, reached energy-conservation object, and effect is remarkable.
Claims (1)
1. the energy saver of a motor drive mechanism, comprise with the electromagnet L1 of the first motor shaft end load and with the electromagnet L2 of the second motor shaft end load, it is characterized in that: the field effect transistor Q1 that also comprises P type, the triode Q2 of P type, resistance R 1 and resistance R 2, one end of one end of described electromagnet L1 and electromagnet L2 is electrically connected to the drain D of field effect transistor Q1 respectively, the source S of field effect transistor Q1 is electrically connected to and connects positive source with the emitter of triode Q2, the collector electrode while of described triode Q2 and one end of resistance R 2, the grid G of field effect transistor Q1 is electrically connected to, the other end of described electromagnet L1, the other end of the other end of electromagnet L2 and resistance R 2 is ground connection simultaneously, the base stage of described triode Q2 is electrically connected to one end of resistance R 1, the other end of resistance R 1 is the PWM copped wave input terminal Vi being electrically connected to PWM copped wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420147891.9U CN203812677U (en) | 2014-03-28 | 2014-03-28 | Energy saver of electric mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420147891.9U CN203812677U (en) | 2014-03-28 | 2014-03-28 | Energy saver of electric mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812677U true CN203812677U (en) | 2014-09-03 |
Family
ID=51451397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420147891.9U Expired - Fee Related CN203812677U (en) | 2014-03-28 | 2014-03-28 | Energy saver of electric mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354921A (en) * | 2015-10-30 | 2016-02-24 | 新达通科技股份有限公司 | Energy-saving electromagnet and automatic teller machine (ATM) cash box braking device |
| CN107517047A (en) * | 2016-06-15 | 2017-12-26 | 佛山市顺德区美的电热电器制造有限公司 | The drive device and driving method of electromagnet and the cooking apparatus with the device |
-
2014
- 2014-03-28 CN CN201420147891.9U patent/CN203812677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354921A (en) * | 2015-10-30 | 2016-02-24 | 新达通科技股份有限公司 | Energy-saving electromagnet and automatic teller machine (ATM) cash box braking device |
| CN107517047A (en) * | 2016-06-15 | 2017-12-26 | 佛山市顺德区美的电热电器制造有限公司 | The drive device and driving method of electromagnet and the cooking apparatus with the device |
| CN107517047B (en) * | 2016-06-15 | 2023-08-22 | 佛山市顺德区美的电热电器制造有限公司 | Driving device and driving method of electromagnet and cooking utensil with driving device |
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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: 20140903 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |