CN202918229U - Energy saving circuit for dual drive DC motor - Google Patents
Energy saving circuit for dual drive DC motor Download PDFInfo
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- CN202918229U CN202918229U CN 201220576834 CN201220576834U CN202918229U CN 202918229 U CN202918229 U CN 202918229U CN 201220576834 CN201220576834 CN 201220576834 CN 201220576834 U CN201220576834 U CN 201220576834U CN 202918229 U CN202918229 U CN 202918229U
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- field effect
- effect transistor
- electromagnet
- electrically connected
- resistance
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Abstract
The utility model relates to an energy saving circuit for a dual drive DC motor. The energy saving circuit comprises electromagnets L1, and L2, field effect transistors Q1, and Q3, a diode D2, and resistors R1, and R3; one end of the electromagnet L2 is electrically connected with a source electrode of the field effect transistor Q1 and is an anode end of a power supply, a grid electrode of the field effect transistor Q1 is electrically connected with one end of the resistor R1, a drain electrode of the field effect transistor Q1 and a cathode of the diode D2 are simultaneously and electrically connected with one end of the electromagnet L1, an anode of the diode D2 and the other end of the electromagnet L2 are simultaneously and electrically connected with a drain electrode of the field effect transistor Q3, a grid electrode of the field effect transistor Q3 is electrically connected with one end of the resistor R3, a source electrode of the field effect transistor Q3 and the other end of the electromagnet L1 are grounded, the other end of the resistor R1 is the control input end Vi1 of the field effect transistor Q1, and the other end of the resistor R3 is the control input end Vi3 of the field effect transistor Q3. The energy saving circuit has the advantage that power consumption is effectively reduced.
Description
Technical field
The utility model relates to a kind of energy-saving circuit, is specifically related to a kind of energy-saving circuit for two driving direct current machines.
Background technology
The application scenarios such as existing electric motor car, electric wheelchair have comprised that two drive direct current motor system, and each motor of this system needs to be equipped with an electromagnet.The included electromagnet required voltage when adhesive of direct current machine is higher, and keeps the voltage relative reduce of attracting state a lot.For example, rated voltage is that direct current machine required voltage when electromagnetic actuation of 24V is 20V, but, electromagnet after the adhesive keeps the voltage of attracting state only to need about 6V, high voltage in the time of can always keeping adhesive behind the electromagnetic actuation of existing pair of driving direct current machine has so just caused the power consumption of direct current machine larger.
Summary of the invention
The purpose of this utility model is: provide a kind of energy-saving circuit that is used for two driving direct current machines that can effectively reduce 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-saving circuit for two driving direct current machines, its innovative point is: comprise electromagnet L1, L2, field effect transistor Q1, Q3, diode D2, resistance R 1, R3; The end of described electromagnet L2 and the source electrode of field effect transistor Q1 are electrically connected and are power positive end, the grid of field effect transistor Q1 is electrically connected with an end of resistance R 1, the drain electrode of field effect transistor Q1 is electrically connected with the end of electromagnet L1 with the negative pole of diode D2 simultaneously, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q3 with the other end of electromagnet L2 simultaneously, the grid of field effect transistor Q3 is electrically connected with an end of resistance R 3, the other end ground connection of the source electrode of field effect transistor Q3 and electromagnet L1, the other end of resistance R 1 is the control input end Vi1 of field effect transistor Q1, and the other end of resistance R 3 is the control input end Vi3 of field effect transistor Q3.
In technique scheme, also comprise field effect transistor Q2 and resistance R 2, the grid of described field effect transistor Q2 is electrically connected with an end of resistance R 2, the drain electrode of field effect transistor Q2 also is electrically connected with the other end of electromagnet L1, the source ground of field effect transistor Q2, the other end of resistance R 2 are the control input end Vi2 of field effect transistor Q2.
The good effect that the utility model has is: after adopting said structure, the electromagnet of two direct current machines adopts in parallel when adhesive, so that each electromagnet obtains the highest pick-up voltage, behind two magnet attractions, two electromagnet change series connection into by parallel connection, have increased the resistance in whole loop, and electric current also can reduce owing to the increase of resistance, therefore, also greatly reduce the power consumption of two direct current machines, reached energy-conservation purpose.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model the first embodiment;
Fig. 2 is the circuit theory diagrams of the utility model the second embodiment.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited to this.
Embodiment 1
As shown in Figure 1, a kind of energy-saving circuit for two driving direct current machines comprises electromagnet L1, L2, field effect transistor Q1, Q3, diode D2, resistance R 1, R3; The end of described electromagnet L2 and the source electrode of field effect transistor Q1 are electrically connected and are power positive end, the grid of field effect transistor Q1 is electrically connected with an end of resistance R 1, the drain electrode of field effect transistor Q1 is electrically connected with the end of electromagnet L1 with the negative pole of diode D2 simultaneously, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q3 with the other end of electromagnet L2 simultaneously, the grid of field effect transistor Q3 is electrically connected with an end of resistance R 3, the other end ground connection of the source electrode of field effect transistor Q3 and electromagnet L1, the other end of resistance R 1 is the control input end Vi1 of field effect transistor Q1, and the other end of resistance R 3 is the control input end Vi3 of field effect transistor Q3.
Embodiment 1 course of work: during use, during beginning, the whole conductings of field effect transistor Q1, Q3, this moment, electromagnet L1 and L2 were in parallel.The rated voltage of supposing direct current machine is 24V, and the internal resistance of each electromagnet is 24 Ω, and then the internal resistance after the parallel connection is 12 Ω, electric current I=24 ÷ 12=2A, power consumption W=IV=2 * 24=48w; Behind two electromagnetic actuations, field effect transistor Q1, Q3 turn-offs, at this moment, electric current is by 1 pin of the positive pole of 3 pin of positive source → electromagnet L2 → diode D2 → electromagnet L1 → power cathode, so that two electromagnet L1, L2 changes series connection into, and make electromagnet L1, L2 continues to remain on attracting state, the rated voltage of supposing power supply is 24V, the internal resistance of each electromagnet is 24 Ω, then the internal resistance after the series connection is 48 Ω, electric current I=24 ÷ 48=0.5A, power consumption W=IV=0.5 * 24=12w, hence one can see that, two electromagnet L1 after the series connection, the power consumption of L2 only is two electromagnet L1 after the parallel connection, / 4th of a L2 power consumption.The utility model can effectively reduce power consumption, reaches energy-conservation purpose.
As shown in Figure 2, a kind of energy-saving circuit for two driving direct current machines comprises electromagnet L1, L2, field effect transistor Q1, Q3, diode D2, resistance R 1, R3; The end of described electromagnet L2 and the source electrode of field effect transistor Q1 are electrically connected and are power positive end, the grid of field effect transistor Q1 is electrically connected with an end of resistance R 1, the drain electrode of field effect transistor Q1 is electrically connected with the end of electromagnet L1 with the negative pole of diode D2 simultaneously, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q3 with the other end of electromagnet L2 simultaneously, the grid of field effect transistor Q3 is electrically connected with an end of resistance R 3, the other end ground connection of the source electrode of field effect transistor Q3 and electromagnet L1, the other end of resistance R 1 is the control input end Vi1 of field effect transistor Q1, and the other end of resistance R 3 is the control input end Vi3 of field effect transistor Q3.
As shown in Figure 2, in order to control more flexibly and easily the break-make of electromagnet L1, also comprise field effect transistor Q2 and resistance R 2, the grid of described field effect transistor Q2 is electrically connected with an end of resistance R 2, the drain electrode of field effect transistor Q2 also is electrically connected with the other end of electromagnet L1, the source ground of field effect transistor Q2, the other end of resistance R 2 are the control input end Vi2 of field effect transistor Q2.
By embodiment 1 and 2 as can be known, the utility model can effectively reduce power consumption, reach energy-conservation purpose, and effect is remarkable.
Claims (2)
1. an energy-saving circuit that is used for two driving direct current machines is characterized in that: comprise electromagnet L1, L2, field effect transistor Q1, Q3, diode D2, resistance R 1, R3; The end of described electromagnet L2 and the source electrode of field effect transistor Q1 are electrically connected and are power positive end, the grid of field effect transistor Q1 is electrically connected with an end of resistance R 1, the drain electrode of field effect transistor Q1 is electrically connected with the end of electromagnet L1 with the negative pole of diode D2 simultaneously, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q3 with the other end of electromagnet L2 simultaneously, the grid of field effect transistor Q3 is electrically connected with an end of resistance R 3, the other end ground connection of the source electrode of field effect transistor Q3 and electromagnet L1, the other end of resistance R 1 is the control input end Vi1 of field effect transistor Q1, and the other end of resistance R 3 is the control input end Vi3 of field effect transistor Q3.
2. the energy-saving circuit for two driving direct current machines according to claim 1, it is characterized in that: also comprise field effect transistor Q2 and resistance R 2, the grid of described field effect transistor Q2 is electrically connected with an end of resistance R 2, the drain electrode of field effect transistor Q2 also is electrically connected with the other end of electromagnet L1, the source ground of field effect transistor Q2, the other end of resistance R 2 are the control input end Vi2 of field effect transistor Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576834 CN202918229U (en) | 2012-11-05 | 2012-11-05 | Energy saving circuit for dual drive DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576834 CN202918229U (en) | 2012-11-05 | 2012-11-05 | Energy saving circuit for dual drive DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918229U true CN202918229U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220576834 Expired - Lifetime CN202918229U (en) | 2012-11-05 | 2012-11-05 | Energy saving circuit for dual drive DC motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN202918229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533836A (en) * | 2020-04-15 | 2021-10-22 | 纬湃汽车电子(长春)有限公司 | Circuit for monitoring current of electromagnet, current monitoring method and vehicle |
-
2012
- 2012-11-05 CN CN 201220576834 patent/CN202918229U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533836A (en) * | 2020-04-15 | 2021-10-22 | 纬湃汽车电子(长春)有限公司 | Circuit for monitoring current of electromagnet, current monitoring method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |