CN110442013A - A kind of drive module - Google Patents
A kind of drive module Download PDFInfo
- Publication number
- CN110442013A CN110442013A CN201910948001.1A CN201910948001A CN110442013A CN 110442013 A CN110442013 A CN 110442013A CN 201910948001 A CN201910948001 A CN 201910948001A CN 110442013 A CN110442013 A CN 110442013A
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- Prior art keywords
- drive module
- logical trigger
- darlington
- darlington transistor
- output end
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- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 230000004224 protection Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
- G05B11/16—Two-step controllers, e.g. with on/off action
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to automatic industrial control fields, more particularly to a kind of drive module, it automatically moves back and forth for driving equipment, the drive module includes logical trigger and at least two Darlington transistors, the input terminal of the logical trigger receives control signal, the base stage of described two Darlington transistors is separately connected two output ends of the logical trigger, and the logical trigger controls described two Darlington transistor sequence conductings and equipment is driven to move back and forth.The present invention solves the problems, such as in the prior art because using relay control solenoid valve to drive service life of structure short, to reduce equipment failure rate, rejection rate.
Description
Technical field
The present invention relates to automatic industrial control fields, and in particular to a kind of drive module is done past for automatic control equipment
Multiple movement.
Background technique
In industrial control field, needs to control solenoid valve and equipment and do high-frequency reciprocating movement, existing skill in certain stroke
Controlling solenoid valve by controller collocation relay in art drives equipment back and forth to run, but when high-frequency reciprocating movement, relay
It works 1 time within average every 1 second, in terms of daily 10 hours, accumulative movement 36000 times daily, the service life of relay
Mainly influenced by on-off times and current value, general relay mechanical life be 100,000 times or so, then will reach within 3-4 days after
The service life of electric appliance, therefore will cause the problems such as generating equipment fault, high rejection rate and low output.
Summary of the invention
The present invention is to solve to drive equipment to run using relay control solenoid valve in the prior art, and the service life is short, easily causes
The problem of equipment fault, the present invention provide a kind of drive module, are hardly damaged.
A kind of drive module, comprising:
Logical trigger, the input terminal of the logical trigger receive control signal；
At least two Darlington transistors, the base stage of described two Darlington transistors are separately connected two outputs of the logical trigger
End, the logical trigger control described two Darlington transistor sequence conductings and equipment are driven to move back and forth.
Further, drive module further includes power circuit, and the power circuit includes voltage stabilizing chip, the voltage stabilizing chip
Input terminal connect power supply, the output end of the voltage stabilizing chip is used to power for the drive module.
Further, the logical trigger is RS logical trigger, and the first input end of the logical trigger receives
First control signal, second input terminal receive second control signal.
Further, the first input end of the logical trigger connect the power supply through resistance respectively with the second input terminal
Circuit output end.
Further, drive module further includes two power indicating circuits, and described two power indicating circuits are connected respectively
Between the collector and the power supply of described two Darlington transistors.
Further, described two Darlington transistors are respectively configured as the first Darlington transistor and the second Darlington transistor, described
The base stage of first Darlington transistor and the second Darlington transistor connects two output ends of the logical trigger through resistance respectively, described
The emitter of first Darlington transistor and the second Darlington transistor ground connection.
Further, two output ends of the logical trigger are respectively configured as the first output end and second output terminal,
First output end connects the output end of the power circuit, the second output terminal resistance grounded through resistance.
Further, drive module further includes two RC filter circuits, and two RC filter circuits are connected to institute
It states between the first input end of logical trigger and the second input terminal.
Further, drive module further includes two protection diodes, and two diode protections are connected on institute respectively
It states between power supply and the collector of described two Darlington transistors.
Further, the model LM2576T5.0 of the voltage stabilizing chip.
Compared with prior art, beneficial effects of the present invention:
The present invention controls two Darlington transistor sequences by using logical trigger and is connected, so that control is connected to Darlington transistor
Solenoid valve sequential working is back and forth run to control equipment, is solved in the prior art because using relay to control solenoid valve band
The short problem of dynamic service life of structure, to reduce equipment failure rate, rejection rate.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of drive module provided in an embodiment of the present invention；
Fig. 2 is the circuit diagram of drive module provided in an embodiment of the present invention；
Fig. 3 is the workflow block diagram of drive module provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of invention protection.
As the embodiment of the present invention, a kind of drive module is present embodiments provided, as shown in Figure 1, the drive module packet
Include logical trigger, at least two Darlington transistors and power circuit, wherein power circuit is logical trigger and two Darlingtons
Pipe power supply.
The specific embodiment of power circuit as the present embodiment, as shown in Fig. 2, power circuit includes voltage stabilizing chip U1,
The input terminal of voltage stabilizing chip U1 connects power supply, which is+24V DC voltage, and the output end of voltage stabilizing chip U1 is subsequent electricity
Road power supply, DC voltage needed for voltage stabilizing chip U1 provided in this embodiment is used to+24V DC voltage being down to subsequent conditioning circuit,
This certain implementation can also use other power supply chips, not describe excessively to this.
As the specific embodiment of logical trigger provided in this embodiment, as shown in Fig. 2, the type that logical trigger uses
Number be SN74C00N, the logical trigger be rest-set flip-flop, the logical trigger include two input terminals and two output ends, two
A input terminal is respectively configured as first input end and the second input terminal, and 1 foot of logical trigger is first input end, logical triggering
5 feet of device are the second input terminal, and two output ends are respectively configured as the first output end and second output terminal, the 3 of logical trigger
Foot is the first output end, and 6 feet of logical trigger are second output terminal, and specifically, the circuit connection of logical trigger is as follows:
The first input end of logical trigger is through resistance R2 connection first control signal output end IN1, while logical trigger
First input end is by the output end of resistance R1 connection power circuit, when first control signal output end exports low level, power supply
The output end and first control signal output end IN1 of circuit form potential difference, to generate current signal input logic trigger
It is interior, so that the first output end of logical trigger be made to export high level.
To make logical trigger preferably work, the present embodiment further includes monolithic capacitor C1, monolithic capacitor C2, monolithic capacitor
C1, monolithic capacitor C2 and resistance R2 form filter network.
Second input terminal of logical trigger is through resistance R4 connection second control signal output end IN2, while logical triggering
Output end of second input terminal of device through resistance R3 connection power circuit, when second control signal output end exports low level,
The output end and second control signal output end IN1 of power circuit form potential difference, to generate the touching of current signal input logic
It sends out in device, so that the second output terminal of logical trigger be made to export high level.
To make logical trigger preferably work, the present embodiment further includes monolithic capacitor C3, monolithic capacitor C4, monolithic capacitor
C3, monolithic capacitor C4 and resistance R4 form filter network.
The specific embodiment of Darlington transistor as the present embodiment, as shown in Fig. 2, present embodiments providing two Darlingtons
Pipe, two Darlington transistors are respectively the first Darlington transistor Q1 and the second Darlington transistor Q2, specifically, the circuit of two Darlington transistors
It connects as follows:
First output end of the base stage of first Darlington transistor Q1 through resistance R5 connection logical trigger, while the of logical trigger
Output end of one output end through resistance R15 connection power circuit, the collector of the first Darlington transistor Q1 through resistance R7 connection power supply,
The emitting stage of first Darlington transistor Q1 is grounded, when the first output end of logical trigger exports high level, the first Darlington transistor
Q1 is exported from output end V1 after amplifying the electric signal and is given solenoid-driven equipment moving.
To make circuit preferably work, the present embodiment further includes protection diode D1, and the cathode of protection diode D1 connects
Power supply is connect, the anode of protection diode D1 connects the collector of the first Darlington transistor Q1, prevents that the first Darlington transistor Q1's is defeated
The excessive damage power supply of signal out.
To make circuit preferably work, the present embodiment further includes power indicating circuit, which includes shining
The cathode of diode DS1, light emitting diode DS1 connect the collector of the first Darlington transistor Q1, the anode of light emitting diode DS1
Resistance R7 is connected, when there is power input the first Darlington transistor Q1, light emitting diode DS1 is bright, is used to indicate the first Darlington transistor
Whether Q1 works normally.
Second output terminal of the base stage of second Darlington transistor Q2 through resistance R6 connection logical trigger, while logical trigger
Second output terminal be grounded through resistance R16, the collector of the second Darlington transistor Q2 is through resistance R8 connection power supply, the second Darlington transistor
The emitting stage of Q2 is grounded, and when the second output terminal of logical trigger exports high level, the second Darlington transistor Q2 is by the electric signal
It is exported after amplifying from output end V2 and gives solenoid-driven equipment moving.
To make circuit preferably work, the present embodiment further includes protection diode D2, and the cathode of protection diode D2 connects
Power supply is connect, the anode of protection diode D2 connects the collector of the second Darlington transistor Q2, prevents that the second Darlington transistor Q2's is defeated
The excessive damage power supply of signal out.
To make circuit preferably work, the present embodiment further includes power indicating circuit, which includes shining
The cathode of diode DS2, light emitting diode DS2 connect the collector of the second Darlington transistor Q2, the anode of light emitting diode DS2
Resistance R8 is connected, when there is power input the second Darlington transistor Q2, light emitting diode DS2 is bright, is used to indicate the second Darlington transistor
Whether Q2 works normally.
As shown in figure 3, the working principle of the present embodiment is as follows:
When the received control signal of logical trigger is 01, i.e. first control signal output end IN1 moment electric signal input logic
Controller, logical trigger latches electric signal at this time, and the first output end of logical trigger is high level, second output terminal at this time
For low level, so that the second Darlington transistor Q2 stops working, output end V2 stops output signal, and the first Darlington transistor Q1 work exists
Magnifying state, output end V1 export electric signal and drive equipment moving to solenoid valve；
When the received control signal of logical trigger is 10, i.e. second control signal output end IN2 moment electric signal input logic
Controller, logical trigger latches electric signal at this time, and the first output end of logical trigger is low level, second output terminal at this time
For high level, so that the first Darlington transistor Q1 stops working, output end V1 stops output signal, and the second Darlington transistor Q2 work exists
Magnifying state, output end V2 export electric signal and drive equipment moving to solenoid valve.
As a concrete application of the present embodiment, the output end V1 and output end V2 of drive module provided in this embodiment
Respectively one solenoid valve of connection, two solenoid valves are respectively used to control motor forward or reverse, so that equipment is driven to move reciprocatingly,
Certain the present embodiment can also be applied to other circuit drives equipment and work, and not do excessive limitation to this.
To sum up, drive module provided in this embodiment, the controller by controlling input logic trigger are followed successively by 01 He
10, it sequentially turns on so as to control the first Darlington transistor Q1 and the second Darlington transistor Q2 and amplifies input signal, from
And it controls solenoid valve and equipment is driven to move reciprocatingly.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of drive module characterized by comprising
Logical trigger, the input terminal of the logical trigger receive control signal；
At least two Darlington transistors, the base stage of described two Darlington transistors are separately connected two outputs of the logical trigger
End, the logical trigger control described two Darlington transistor sequence conductings and equipment are driven to move back and forth.
2. drive module according to claim 1, which is characterized in that the drive module further includes power circuit, described
Power circuit includes voltage stabilizing chip, and the input terminal of the voltage stabilizing chip connects power supply, and the output end of the voltage stabilizing chip is for being
The drive module power supply.
3. drive module according to claim 2, which is characterized in that the logical trigger is RS logical trigger, institute
The first input end for stating logical trigger receives first control signal, and second input terminal receives second control signal.
4. drive module according to claim 3, which is characterized in that the first input end of the logical trigger and second
Input terminal connects the power circuit output end through resistance respectively.
5. drive module according to claim 2, which is characterized in that the drive module further includes two power supply instruction electricity
Road, described two power indicating circuits are connected on respectively between the collector of described two Darlington transistors and the power supply.
6. drive module according to claim 5, which is characterized in that described two Darlington transistors are respectively configured as first
Described in the base stage of Darlington transistor and the second Darlington transistor, first Darlington transistor and the second Darlington transistor is connected through resistance respectively
The emitter of two output ends of logical trigger, first Darlington transistor and the second Darlington transistor is grounded.
7. drive module according to claim 6, which is characterized in that two output ends of the logical trigger are matched respectively
It is set to the first output end and second output terminal, first output end connects the output end of the power circuit through resistance, described
Second output terminal resistance grounded.
8. drive module according to claim 4, which is characterized in that the drive module further includes two RC filtered electricals
Road, two RC filter circuits are connected between the first input end of the logical trigger and the second input terminal.
9. drive module according to claim 2, which is characterized in that the drive module further includes two two poles of protection
Pipe, two protection diodes are connected on respectively between the power supply and the collector of described two Darlington transistors.
10. drive module according to claim 2, which is characterized in that the model LM2576T5.0 of the voltage stabilizing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948001.1A CN110442013A (en) | 2019-10-08 | 2019-10-08 | A kind of drive module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948001.1A CN110442013A (en) | 2019-10-08 | 2019-10-08 | A kind of drive module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110442013A true CN110442013A (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948001.1A Pending CN110442013A (en) | 2019-10-08 | 2019-10-08 | A kind of drive module |
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| Country | Link |
|---|---|
| CN (1) | CN110442013A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3224372A1 (en) * | 1982-06-30 | 1984-01-12 | Johann-Marius Dipl.-Ing. 8520 Erlangen Milosiu | DC voltage converter, without a transformer, having quasi-electrical isolation between the input and output |
| US4474542A (en) * | 1980-08-30 | 1984-10-02 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Operation control method and device for a vehicle air conditioning compressor |
| JPH098631A (en) * | 1995-06-21 | 1997-01-10 | Yazaki Corp | Led driving circuit |
| CN2560264Y (en) * | 2002-07-23 | 2003-07-16 | 王年其 | Hanging-arm full-floating electromagnetic rocking bed |
| CN105406714A (en) * | 2015-12-23 | 2016-03-16 | 重庆中科芯亿达电子有限公司 | DC-DC converter integrated circuit and application circuit thereof |
-
2019
- 2019-10-08 CN CN201910948001.1A patent/CN110442013A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474542A (en) * | 1980-08-30 | 1984-10-02 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Operation control method and device for a vehicle air conditioning compressor |
| DE3224372A1 (en) * | 1982-06-30 | 1984-01-12 | Johann-Marius Dipl.-Ing. 8520 Erlangen Milosiu | DC voltage converter, without a transformer, having quasi-electrical isolation between the input and output |
| JPH098631A (en) * | 1995-06-21 | 1997-01-10 | Yazaki Corp | Led driving circuit |
| CN2560264Y (en) * | 2002-07-23 | 2003-07-16 | 王年其 | Hanging-arm full-floating electromagnetic rocking bed |
| CN105406714A (en) * | 2015-12-23 | 2016-03-16 | 重庆中科芯亿达电子有限公司 | DC-DC converter integrated circuit and application circuit thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |