CN206759353U - Stepping motor control circuit, electric machine controller and vehicle - Google Patents
Stepping motor control circuit, electric machine controller and vehicle Download PDFInfo
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- CN206759353U CN206759353U CN201720439228.XU CN201720439228U CN206759353U CN 206759353 U CN206759353 U CN 206759353U CN 201720439228 U CN201720439228 U CN 201720439228U CN 206759353 U CN206759353 U CN 206759353U
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- impedance matching
- matching circuit
- motor control
- stepping motor
- branch road
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Abstract
The utility model discloses stepping motor control circuit, electric machine controller and vehicle, the stepping motor control circuit includes：Power supply；Motor drive ic for Driving Stepping Motor；Impedance matching circuit, the impedance matching circuit is between the power supply and the motor drive ic, the impedance matching circuit includes the mutually different impedance matching circuit branch road of multiple impedances, to selectively turn at least one impedance matching circuit branch road in the multiple impedance matching circuit branch road according to the voltage of the power supply, to realize the voltage matches between the power supply and the motor drive ic.The following advantage of step motor control system of the present utility model：Replace the BUCK circuits in correlation technique to carry out voltage matches with new impedance matching circuit, greatly reduce hardware cost.
Description
Technical field
It the utility model is related to technical field of vehicle, and in particular to stepping motor control circuit, electric machine controller and vehicle.
Background technology
More low-power stepper motors is applied as in vehicle, the accurate control of stepper motor has great significance.
The low-power stepper motor that Current vehicle uses, its energy input are provided by vehicle accumulator, pass through BUCK circuits
(high voltage variable low pressure) increases power input terminal impedance, makes arrival driving chip voltage stabilization.But carry out impedance using BUCK circuits
It is higher to match cost.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem.
Therefore, a purpose of the present utility model is to propose a kind of stepping motor control circuit, impedance match portion is reduced
The hardware cost divided.
To achieve these goals, embodiment of the present utility model discloses a kind of stepping motor control circuit, including：Electricity
Source；Motor drive ic for Driving Stepping Motor；Impedance matching circuit, the impedance matching circuit be located at the power supply and
Between the motor drive ic, the impedance matching circuit includes the mutually different impedance matching circuit branch road of multiple impedances,
To selectively turn at least one impedance matching in the multiple impedance matching circuit branch road according to the voltage of the power supply
Circuit branch, to realize the voltage matches between the power supply and the motor drive ic.
According to the stepping motor control circuit of the utility model embodiment, related skill is replaced with new impedance matching circuit
BUCK circuits in art carry out impedance matching, and very big impedance circuit part reduces cost.
In addition, according to the stepping motor control circuit of the utility model above-described embodiment, can also have what is added as follows
Technical characteristic：
Further, the impedance matching circuit includes on-off circuit, and the on-off circuit is according to the voltage of the power supply
At least one impedance matching circuit branch road in the multiple impedance matching circuit branch road is controlled to turn on.
Further, the on-off circuit includes multiple switch pipe, and the multiple switching tube is arranged on institute correspondingly
State in multiple impedance matching circuit branch roads.
Further, the on-off circuit includes：Contact switch, one end of the contact switch and the power supply or described
Motor drive ic connects, and the contact switch includes multiple contacts, the multiple contact correspondingly with the multiple resistance
Anti- match circuit branch road is connected.
Further, the impedance matching circuit branch road is four.
Further, an impedance matching circuit branch road in four impedance matching circuit branch roads is wire.
Further, three impedance matching circuit branch roads of residue in four impedance matching circuit branch roads are three resistances
The anti-build-out resistor and resistance of three impedance matching resistors is different.
Further, the motor drive ic is L9935 chips.
Another purpose of the present utility model is to propose a kind of electric machine controller, reduces the hard of stepping motor control circuit
Part cost.
To achieve these goals, embodiment of the present utility model discloses a kind of electric machine controller, including above-mentioned implementation
The stepping motor control circuit of example.
The electric machine controller of the utility model embodiment, the BUCK in correlation technique is replaced with new impedance matching circuit
Circuit carries out impedance matching, and very big impedance circuit part reduces cost.
Another purpose of the present utility model is to propose a kind of vehicle, including the motor control according to above-described embodiment
Device.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structured flowchart of the step motor control system of the utility model embodiment；
Fig. 2 is the circuit diagram of the impedance matching circuit of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
With reference to following description and accompanying drawing, it will be clear that these and other aspects of embodiment of the present utility model.At these
In description and accompanying drawing, some particular implementations in embodiment of the present utility model are specifically disclosed, to represent to implement this reality
With some modes of the principle of new embodiment, but it is to be understood that the scope of embodiment of the present utility model is not limited
System.On the contrary, embodiment of the present utility model includes all changes fallen into the range of the spirit and intension of attached claims
Change, modification and equivalent.
The utility model is described below in conjunction with accompanying drawing.
Fig. 1 is the structured flowchart of the step motor control system of the utility model embodiment.As shown in figure 1, this practicality is new
The step motor control system of type embodiment, including：Power supply 100, impedance matching circuit 200 and the electricity for Driving Stepping Motor
Machine driving chip 300.Impedance matching circuit 200 is between power supply 100 and motor drive ic 300, impedance matching circuit 200
Including the mutually different impedance matching circuit branch road of multiple impedances, to selectively turn on multiple resistances according to the voltage of power supply 100
At least one impedance matching circuit branch road in anti-match circuit branch road, to realize between power supply 100 and motor drive ic 300
Voltage matches, make the voltage stabilization of motor drive ic 300 in preset voltage value.
Stepping motor control circuit of the present utility model, by optionally making the mutually different impedance matching of multiple impedances
At least one conducting in circuit branch, so as to realize the voltage matches between power supply 100 and motor drive ic 300, substitute existing
There are the BUCK circuits of technology, reduce hardware cost.
In one embodiment of the present utility model, impedance matching circuit 200 includes on-off circuit.On-off circuit is according to electricity
The voltage in source 100 controls at least one impedance matching circuit branch road conducting in multiple impedance matching circuit branch roads.Due to multiple
The impedance of impedance matching circuit branch road is different, when the voltage difference of power supply 100, makes corresponding impedance matching circuit branch road
Conducting, realizes the voltage matches between power supply 100 and motor drive ic 300.
In one embodiment of the present utility model, multiple impedance matching circuit branch circuit parallel connections, on-off circuit includes multiple
Switching tube, multiple switch pipe are arranged in multiple impedance matching circuit branch roads correspondingly.By making pipe conducting control of opening the light
Respective impedance match circuit branch road, control is flexible, hardware cost is low.
In one embodiment of the present utility model, impedance matching circuit branch road is four.
In one embodiment of the present utility model, an impedance matching circuit branch in four impedance matching circuit branch roads
Road is wire, the resistance value of remaining multiple impedance matching circuits is different.Further, four impedance matching circuit branch roads
In three impedance matching circuit branch roads of residue for three impedance matching resistors and three impedance matching resistors the mutual not phase of resistance
Together.It will be understood by those in the art that using other electricity devices can also, only need to ensure that the impedance of each branch road is different i.e.
Can.Fig. 2 is the circuit diagram of the impedance matching circuit of the utility model one embodiment.As shown in Fig. 2 impedance matching circuit 200
The access point on the left side is connected with power supply 100, and the leading point on the right is connected with motor drive ic 300.Wherein, first switch Q1,
Impedance matching circuit branch road where 3rd switch Q3, the 5th switch the switches of Q5 and the 7th Q7 is respectively the first impedance matching circuit
Branch road, the second impedance matching circuit branch road, the 3rd impedance matching circuit branch road and the 4th impedance matching circuit branch road.In this implementation
In example, the impedance matching unit of the first impedance matching circuit branch road is wire, i.e. impedance is zero, and certain those skilled in the art can also
As needed impedance matching resistor is also provided with the first impedance matching circuit branch road；The impedance matching list of second impedance matching unit
Member is the first impedance matching resistor R1；The impedance matching unit of 3rd impedance matching unit is the second impedance matching resistor R2；The
The impedance matching unit of four impedance matching units is the 3rd impedance matching resistor R3, and resistance value R1<R2<R3.
In an example of the present utility model, the voltage needed for stepper motor is 10V.When the voltage of power supply 100 is 9-
During 10.5V, first switch Q1 and second switch Q2 conductings (needing to give EN1 enable signals)；When the voltage of power supply 100 is 10.5-
During 12V, the 3rd switch Q3 and the 4th switch Q4 conductings (needing to give EN2 enable signals)；When the voltage of power supply 100 is 12-14V
When, the 5th switch Q5 and the 6th switch Q6 turn on (needing to give EN3 enable signals)；When the voltage of power supply 100 is 14-16V, the
7 switch Q7 and the 8th switch Q8 conductings (needing to give EN4 enable signals).In 100 output voltage difference of power supply, by turning on not
Same impedance matching circuit branch road causes motor drive ic 300 to obtain the voltage of required stabilization, and then can accurately control
Stepper motor processed.It should be noted that in the present embodiment, it is also an option that multiple impedance matching circuit branch roads simultaneously turn on
(such as the 3rd switch Q3, the 4th switch Q4, the 5th switch Q5 and the 6th switch Q6 are simultaneously turned on) is it is hereby achieved that more
Impedance carries out voltage matches.
In another embodiment of the present utility model, on-off circuit includes contact switch.One end of contact switch and electricity
Source 100 or motor drive ic 300 connect, and contact switch includes multiple contacts, multiple contacts correspondingly with multiple impedances
Match circuit branch road is connected.
Specifically, according to the different voltages of power supply 100, selecting the different contacts of contact switch makes one or more impedances
Match circuit branch road turns on, and so as to obtain different impedance values, and then realizes the voltage of motor drive ic 300 and power supply 100
Matching.
In one embodiment of the present utility model, motor drive ic 300 is L9935 chips, and L9935 chips are a
Stepper motor driver chip, its input terminal voltage are output end voltage, can lift stepper motor displacement and step number control
Accuracy.
The stepping motor control circuit of the utility model embodiment, replaced with new impedance matching circuit in correlation technique
BUCK circuits carry out voltage matches, greatly reduce hardware cost.
In addition, embodiment of the present utility model also discloses a kind of electric machine controller, include the stepping electricity of above-described embodiment
Machine control circuit, greatly reduces hardware cost.
In addition, embodiment of the present utility model also discloses a kind of vehicle, include the electric machine controller of above-described embodiment, should
Vehicle greatly reduces hardware cost.
In addition, other compositions of the vehicle of the utility model embodiment and effect are for a person skilled in the art
All it is known, in order to reduce redundancy, does not repeat.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model is by claim and its equivalent limits.
Claims (10)
- A kind of 1. stepping motor control circuit, it is characterised in that including：Power supply (100)；Motor drive ic (300) for Driving Stepping Motor；Impedance matching circuit (200), the impedance matching circuit (200) are located at the power supply (100) and motor driving core Between piece (300), the impedance matching circuit (200) includes the mutually different impedance matching circuit branch road of multiple impedances, with root At least one impedance matching in the multiple impedance matching circuit branch road is selectively turned on according to the voltage of the power supply (100) Circuit branch, to realize the voltage matches between the power supply (100) and the motor drive ic (300).
- 2. stepping motor control circuit according to claim 1, it is characterised in that impedance matching circuit (200) bag On-off circuit is included, the on-off circuit is controlled in the multiple impedance matching circuit branch road according to the voltage of the power supply (100) At least one impedance matching circuit branch road conducting.
- 3. stepping motor control circuit according to claim 2, it is characterised in that the on-off circuit includes multiple switch Pipe, the multiple switching tube are arranged in the multiple impedance matching circuit branch road correspondingly.
- 4. stepping motor control circuit according to claim 2, it is characterised in that the on-off circuit includes：Contact switch, one end of the contact switch are connected with the power supply (100) or the motor drive ic (300), institute Stating contact switch includes multiple contacts, and the multiple contact is connected with the multiple impedance matching circuit branch road correspondingly.
- 5. according to the stepping motor control circuit described in claim any one of 1-4, it is characterised in that the impedance matching circuit Branch road is four.
- 6. stepping motor control circuit according to claim 5, it is characterised in that four impedance matching circuit branch roads In an impedance matching circuit branch road be wire.
- 7. stepping motor control circuit according to claim 5, it is characterised in that four impedance matching circuit branch roads In three impedance matching circuit branch roads of residue it is mutual for the resistance of three impedance matching resistors and three impedance matching resistors Differ.
- 8. stepping motor control circuit according to claim 1, it is characterised in that the motor drive ic (300) is L9935 chips.
- 9. a kind of electric machine controller, it is characterised in that including the step motor control according to any one of claim 1-8 Circuit.
- 10. a kind of vehicle, it is characterised in that including electric machine controller according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439228.XU CN206759353U (en) | 2017-04-24 | 2017-04-24 | Stepping motor control circuit, electric machine controller and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439228.XU CN206759353U (en) | 2017-04-24 | 2017-04-24 | Stepping motor control circuit, electric machine controller and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759353U true CN206759353U (en) | 2017-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439228.XU Expired - Fee Related CN206759353U (en) | 2017-04-24 | 2017-04-24 | Stepping motor control circuit, electric machine controller and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128960A1 (en) * | 2017-12-26 | 2019-07-04 | Zhejiang Dahua Technology Co., Ltd. | Methods and systems for identifying camera lens |
-
2017
- 2017-04-24 CN CN201720439228.XU patent/CN206759353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128960A1 (en) * | 2017-12-26 | 2019-07-04 | Zhejiang Dahua Technology Co., Ltd. | Methods and systems for identifying camera lens |
| US11632491B2 (en) | 2017-12-26 | 2023-04-18 | Zhejiang Dahua Technology Co., Ltd. | Methods and systems for identifying camera lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stepping motor control circuit, motor controller and vehicle Effective date of registration: 20211213 Granted publication date: 20171215 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231201 Granted publication date: 20171215 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |