CN209707925U - A kind of spray valve-driving circuit - Google Patents
A kind of spray valve-driving circuit Download PDFInfo
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- CN209707925U CN209707925U CN201920367768.0U CN201920367768U CN209707925U CN 209707925 U CN209707925 U CN 209707925U CN 201920367768 U CN201920367768 U CN 201920367768U CN 209707925 U CN209707925 U CN 209707925U
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- spray valve
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Abstract
A kind of spray valve-driving circuit, comprising: for receiving the external spray valve drive signal of host computer generation to generate the photoelectric isolated chip of photoelectricity driving signal；For generating the pwm chip of pwm control signal based on the photoelectricity driving signal；For generating spray valve open signal based on the pwm control signal or spraying the PWM drive module of valve shutdown signal；Spray valve for being opened or closed based on the spray valve open signal or the spray valve shutdown signal；The photoelectric isolated chip communicates to connect the host computer and the pwm chip respectively, and the PWM drive module communicates to connect the pwm chip and the spray valve respectively.After host computer receives external spray valve drive signal, pwm chip will drive PWM drive module to be switched to pwm pattern, to maintain the actuation of spray valve with very small electric power, thus calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.
Description
Technical field
The utility model relates to ores to sort field, drive more specifically to a kind of spray valve for ore sorting
Circuit.
Background technique
Ore sort field, generally use spray valve-driving circuit eject gas mode come to concentrate and tailings carry out
Separation.However, traditional spray valve-driving circuit, does not account for and continues working bring negative effect for a long time to spray valve, therefore
Corresponding safeguard measure is not taken to spray valve-driving circuit, therefore after receiving driving signal, will lead to spray valve it is long when
Between operational heat, therefore be easy to cause spray valve damage.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of power saving section
It can and be capable of the spray valve-driving circuit of effective protection spray valve.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of spray valve-driving circuit, comprising:
For receiving the external spray valve drive signal of host computer generation to generate the photoelectric isolated chip of photoelectricity driving signal；
For generating the pwm chip of pwm control signal based on the photoelectricity driving signal；
For generating spray valve open signal based on the pwm control signal or spraying the PWM drive module of valve shutdown signal；
Spray valve for being opened or closed based on the spray valve open signal or the spray valve shutdown signal；
Wherein the photoelectric isolated chip communicates to connect the host computer and the pwm chip respectively, and the PWM drives
Dynamic model block communicates to connect the pwm chip and the spray valve respectively.
In spray valve-driving circuit described in the utility model, the host computer is electrically connected at least one described Phototube Coupling
Chip, each photoelectric isolated chip communicate to connect a pwm chip, and each pwm chip communication connection is at least
Valve is sprayed in one PWM drive module, each PWM drive module connection all the way.
In spray valve-driving circuit described in the utility model, the Phototube Coupling core of upper mechatronics four
Piece, each pwm chip communicate to connect four PWM drive modules.
In spray valve-driving circuit described in the utility model, the photoelectric isolated chip is TLP-291-4 chip, described
Pwm chip is STC15W408AS chip.
In spray valve-driving circuit described in the utility model, the PWM drive module includes the first metal-oxide-semiconductor, the 2nd MOS
Pipe, first resistor and second resistance, the pole G of first metal-oxide-semiconductor connect the of the pwm chip through the first resistor
One output end to receive first via pwm control signal, the pole S ground connection, the pole D connect the pole G of second metal-oxide-semiconductor, the 2nd MOS
Valve is sprayed in the pole the S ground connection of pipe, the connection of the pole D all the way, and the pole G of second metal-oxide-semiconductor also connects power supply through the second resistance.
It further comprise two poles that the spray valve both ends are set in spray valve-driving circuit described in the utility model
Pipe, LED light and 3rd resistor, power end, the anode that the cathode of the diode connects the spray valve connect second metal-oxide-semiconductor
The pole D, the first end of the LED light connects the power end of the spray valve through the 3rd resistor, second end connects two pole
The cathode of pipe.
The spray valve-driving circuit for implementing the utility model, after host computer receives external spray valve drive signal, PWM control
Coremaking piece will drive PWM drive module to be switched to pwm pattern, so that the actuation of spray valve is maintained with very small electric power, because
And calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.Further, it is controlled by PWM all the way
Chip can control multichannel spray valve, can greatly save the operating cost of equipment, reduce energy consumption, be conducive to industrial make
With.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the functional block diagram of the first embodiment of the spray valve-driving circuit of the utility model；
Fig. 2 is the circuit diagram of the second embodiment of the spray valve-driving circuit of the utility model；
Fig. 3 is the waveform diagram at the site 5 in embodiment illustrated in fig. 2；
Fig. 4 is the waveform diagram at the site 6 in embodiment illustrated in fig. 2；
Fig. 5 is the circuit diagram of the 3rd embodiment of the spray valve-driving circuit of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model relates to a kind of spray valve-driving circuits, comprising: for receiving the external spray valve driving of host computer generation
Signal is to generate the photoelectric isolated chip of photoelectricity driving signal；For generating pwm control signal based on the photoelectricity driving signal
Pwm chip；For generating spray valve open signal based on the pwm control signal or spraying the PWM driving of valve shutdown signal
Module；Spray valve for being opened or closed based on the spray valve open signal or the spray valve shutdown signal；The Phototube Coupling
Chip communicates to connect the host computer and the pwm chip respectively, described in the PWM drive module communicates to connect respectively
Pwm chip and the spray valve.The spray valve-driving circuit for implementing the utility model receives external spray valve driving in host computer
After signal, pwm chip will drive PWM drive module to be switched to pwm pattern, thus with the maintenance of very small electric power
The actuation of valve is sprayed, thus calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.
Fig. 1 is the functional block diagram of the first embodiment of the spray valve-driving circuit of the utility model.As shown in Figure 1, this is practical
Novel spray valve-driving circuit, comprising: photoelectric isolated chip 10, pwm chip 20, PWM drive module 30 and spray valve 40.In
In the present embodiment, the photoelectric isolated chip 10 is communicated to connect with host computer, for receiving the external spray that host computer generates
Valve drive signal is to generate photoelectricity driving signal.The pwm chip 20 and the photoelectric isolated chip 10 communicate to connect from
And the photoelectricity driving signal is received, and for generating pwm control signal based on the photoelectricity driving signal.The PWM driving
Module 30 and the pwm chip 20 are communicated to connect to receive the pwm control signal, and for being controlled based on the PWM
Signal generates spray valve open signal or spray valve shutdown signal.The spray valve 40 is communicated to connect with the PWM drive module 30, thus
Receive the spray valve open signal or spray valve shutdown signal from the PWM drive module 30, and based on the spray valve open signal or
The spray valve shutdown signal opens or closes.
In a preferred embodiment of the utility model, the host computer, which can be, can use various hardware-software moulds
Block judges concentrate and tailings, and the processor of external spray valve drive signal is generated based on the judgement, processing circuit or
Equipment, can use any method as known in the art, and module or unit carry out above-mentioned judgement.Here, the utility model
It is not limited by the type of host computer and judgment mode.The photoelectric isolated chip 10, pwm chip 20 can use ability
Known any photoelectric isolated chip, such as 4N25 type, VICT22 type, TLP type etc. in domain；Or any of PWM control
Chip, such as TL2842P chip, UC2525ADW chip, UC2842AN chip, UC3842N chip etc..It is any to can be realized
The photoelectric isolated chip and pwm chip of above-mentioned function may be used to the utility model.
In the further preferred embodiment of the utility model, the Phototube Coupling core of upper mechatronics one
Piece 10, each photoelectric isolated chip 10 communicate to connect a pwm chip 20, each 20 communication link of pwm chip
A PWM drive module 30 is connect, valve 40 is sprayed in each connection of PWM drive module 30 all the way.
In the further preferred embodiment of the utility model, the Phototube Coupling core of upper mechatronics four
Piece 10, each photoelectric isolated chip 10 communicate to connect a pwm chip 20, each 20 communication link of pwm chip
Four PWM drive modules 30 are connect, valve 40 is sprayed in each connection of PWM drive module 30 all the way.In the preferred embodiment, the photoelectricity
Isolating chip 10 is TLP-291-4 chip, and the pwm chip 20 is STC15W408AS chip.
The spray valve-driving circuit for implementing the utility model, after host computer receives external spray valve drive signal, PWM control
Coremaking piece will drive PWM drive module to be switched to pwm pattern, so that the actuation of spray valve is maintained with very small electric power, because
And calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.Further, it is controlled by PWM all the way
Chip can control multichannel spray valve, can greatly save the operating cost of equipment, reduce energy consumption, be conducive to industrial make
With.
Fig. 2 is the circuit diagram of the second embodiment of the spray valve-driving circuit of the utility model.As shown in Fig. 2, this reality
With novel spray valve-driving circuit, comprising: photoelectric isolated chip 10, pwm chip 20, PWM drive module 30 and spray valve 40.
In the present embodiment, the photoelectric isolated chip 10 is communicated to connect with host computer, for receiving the outside that host computer generates
Valve drive signal is sprayed to generate photoelectricity driving signal.The pwm chip 20 is communicated to connect with the photoelectric isolated chip 10
To receive the photoelectricity driving signal, and for generating pwm control signal based on the photoelectricity driving signal.The PWM drives
Dynamic model block 30 and the pwm chip 20 are communicated to connect to receive the pwm control signal, and for being controlled based on the PWM
Signal processed generates spray valve open signal or spray valve shutdown signal.The spray valve 40 is communicated to connect with the PWM drive module 30, from
And the spray valve open signal or spray valve shutdown signal are received from the PWM drive module 30, and be based on the spray valve open signal
Or the spray valve shutdown signal opens or closes.
In the embodiment depicted in figure 2, the photoelectric isolated chip 10 of the upper mechatronics one, each photoelectricity
Isolating chip 10 communicates to connect a pwm chip 20, and each pwm chip 20 communicates to connect four PWM drive modules
30, valve 40 is sprayed in each connection of PWM drive module 30 all the way.In the preferred embodiment, the photoelectric isolated chip 10 is TLP-
291-4 chip, the pwm chip 20 are STC15W408AS chip.
In the embodiment depicted in figure 2, each PWM drive module 30 include metal-oxide-semiconductor MOS-1, metal-oxide-semiconductor MOS-N, resistance R1 and
The pole G of resistance R2, the metal-oxide-semiconductor MOS-1 connect the first output end of the pwm chip 20 through the resistance R1 to receive
First via pwm control signal, the pole S ground connection, the pole D connect the pole G of the metal-oxide-semiconductor MOS-N, the pole the S ground connection of the metal-oxide-semiconductor MOS-N,
Valve is sprayed in the connection of the pole D all the way, and the pole G of the metal-oxide-semiconductor MOS-N is also through the resistance R2 connection 12V power supply.Further, in Fig. 2 institute
Show in embodiment, the spray valve-driving circuit further comprises the diode M7 that spray 40 both ends of valve are arranged in, LED light
LED1 and resistance R3,24V power end, the anode that the cathode of the diode M7 connects the spray valve 40 connect the metal-oxide-semiconductor
The pole D of MOS-N.The first end of the LED light LED1 connects the 24V power end of the spray valve through the resistance R3, second end connects
Connect the cathode of the diode M7.The pole G of the metal-oxide-semiconductor MOS-1 and the pole G of the metal-oxide-semiconductor MOS-N are respectively site 5 and 6.
Fig. 3 is the waveform diagram at the site 5 in embodiment illustrated in fig. 2.Fig. 4 is at the site 6 in embodiment illustrated in fig. 2
Waveform diagram.It is described as follows below with reference to the principle of the spray valve-driving circuit of Fig. 2-3 pairs of the utility model.
When host computer has high level output, high level is exported by site 1 of the 1K resistance to photoelectric isolated chip 10.
And the site 2 of photoelectric isolated chip 10 constitutes public 0 current potential of host computer.In this way, level shape of the level in site 1 through site 2
At circuit.The voltage meeting loci 3 of the 5V of pwm chip 20 generates high potential, when the site of photoelectric isolated chip 10 1 and 2
After generating electrical circuit, the photoelectricity driving signal is generated inside photoelectric isolated chip 10, is driven to realize based on external spray valve
Signal is moved to generate photoelectricity driving signal.It is formed into a loop between the pin 16 and 15 of photoelectric isolated chip 10 in this way, position will be dragged down
The current potential of point 3 generates triggering pwm chip 20 in this way when pwm chip 20 detects low level (pin 12)
Pwm control signal.
When site 5 is high level, the G electrode potential of metal-oxide-semiconductor MOS-1 is high, will be connected, and after being turned, by site 6
Level drags down, therefore the G electrode potential of metal-oxide-semiconductor MOS-N is low, will end, therefore sprays valve 40 and pass through without electric current, will close.In place
When point 5 is low level, the G electrode potential of metal-oxide-semiconductor MOS-1 is low, will end, and after cut-off, the level in site 6 is drawn high, because
The G electrode potential of this metal-oxide-semiconductor MOS-N is high, will be connected, therefore spraying valve 40 has electric current to pass through, and will open.As shown in Figure 3-4, at T1 weeks
Phase can be 2ms-20ms according to spray valve-type difference for the starting time for spraying valve 40.In the T2-T3 period, export a certain amount of
Duty ratio keeps spray valve to open, and duty ratio can adjust 5%-80% according to spray valve-type number.In this way, spray can be greatly lowered
Valve greatly extends the service life of spray valve because working long hours there is a phenomenon where overheating.Spray valve is set to work long hours simultaneously
In do not have to the output for maintaining big electric power, a large amount of electric power can be saved, enterprise's production is given to save power cost.
The spray valve-driving circuit for implementing the utility model, after host computer receives external spray valve drive signal, PWM control
Coremaking piece will drive PWM drive module to be switched to pwm pattern, so that the actuation of spray valve is maintained with very small electric power, because
And calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.Further, it is controlled by PWM all the way
Chip can control multichannel spray valve, can greatly save the operating cost of equipment, reduce energy consumption, be conducive to industrial make
With.
Fig. 5 is the circuit diagram of the 3rd embodiment of the spray valve-driving circuit of the utility model.Embodiment shown in Fig. 5
In, which includes multiple photoelectric isolated chips, and each photoelectric isolated chip communicates to connect a PWM control
Chip, each pwm chip communicate to connect four PWM drive modules, and valve is sprayed in each PWM drive module connection all the way.At this
In preferred embodiment, the photoelectric isolated chip 10 is TLP-291-4 chip, and the pwm chip 20 is STC15W408AS
Chip.It in the preferred embodiment of the utility model, such as may include 32 photoelectric isolated chips, each Phototube Coupling
Chip communication connects a pwm chip, and each pwm chip communicates to connect four PWM drive modules, and each PWM drives
Valve is sprayed in the connection of dynamic model block all the way, and such 32 photoelectric isolated chips and 32 pwm chips can control 128 tunnels spray valve.
In other preferred embodiments of the utility model, the photoelectric isolated chip of other quantity can also be set, this each falls within this reality
With novel protection scope.Spray valve-driving circuit shown in fig. 5 is referred to embodiment illustrated in fig. 2 and is constructed, herein just not
Tire out again and states.
The spray valve-driving circuit for implementing the utility model, after host computer receives external spray valve drive signal, PWM control
Coremaking piece will drive PWM drive module to be switched to pwm pattern, so that the actuation of spray valve is maintained with very small electric power, because
And calorific value is small, greatly prolongs the service life of spray valve and greatlys save power consumption.Further, it is controlled by PWM all the way
Chip can control multichannel spray valve, can greatly save the operating cost of equipment, reduce energy consumption, be conducive to industrial make
With.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of spray valve-driving circuit characterized by comprising
For receiving the external spray valve drive signal of host computer generation to generate the photoelectric isolated chip of photoelectricity driving signal；
For generating the pwm chip of pwm control signal based on the photoelectricity driving signal；
For generating spray valve open signal based on the pwm control signal or spraying the PWM drive module of valve shutdown signal；
Spray valve for being opened or closed based on the spray valve open signal or the spray valve shutdown signal；
Wherein the photoelectric isolated chip communicates to connect the host computer and the pwm chip respectively, and the PWM drives mould
Block communicates to connect the pwm chip and the spray valve respectively.
2. spray valve-driving circuit according to claim 1, which is characterized in that the host computer is electrically connected described at least one
Photoelectric isolated chip, each photoelectric isolated chip communicate to connect a pwm chip, each pwm chip communication
At least one PWM drive module is connected, valve is sprayed in each PWM drive module connection all the way.
3. spray valve-driving circuit according to claim 2, which is characterized in that described four photoelectricity of upper mechatronics
Isolating chip, each pwm chip communicate to connect four PWM drive modules.
4. spray valve-driving circuit according to claim 3, which is characterized in that the photoelectric isolated chip is TLP-291-4
Chip, the pwm chip are STC15W408AS chip.
5. spray valve-driving circuit described in any one of -4 claims according to claim 1, which is characterized in that the PWM
Drive module includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, first resistor and second resistance, and the pole G of first metal-oxide-semiconductor is through described the
One resistance connects the first output end of the pwm chip to receive first via pwm control signal, the pole S ground connection, the connection of the pole D
Valve, the pole G of second metal-oxide-semiconductor are sprayed in the pole G of second metal-oxide-semiconductor, the pole the S ground connection of second metal-oxide-semiconductor, the connection of the pole D all the way
Also power supply is connected through the second resistance.
6. spray valve-driving circuit according to claim 5, which is characterized in that further comprise being arranged at the spray valve both ends
Diode, LED light and 3rd resistor, the cathode of the diode connects the power end of the spray valve, anode connection described the
The pole D of two metal-oxide-semiconductors, the first end of the LED light connects the power end of the spray valve through the 3rd resistor, second end connects institute
State the cathode of diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920367768.0U CN209707925U (en) | 2019-03-22 | 2019-03-22 | A kind of spray valve-driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920367768.0U CN209707925U (en) | 2019-03-22 | 2019-03-22 | A kind of spray valve-driving circuit |
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| Publication Number | Publication Date |
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| CN209707925U true CN209707925U (en) | 2019-11-29 |
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ID=68645024
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920367768.0U Active CN209707925U (en) | 2019-03-22 | 2019-03-22 | A kind of spray valve-driving circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359544A (en) * | 2021-05-24 | 2021-09-07 | 赣州好朋友科技有限公司 | Spout valve drive control circuit |
-
2019
- 2019-03-22 CN CN201920367768.0U patent/CN209707925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359544A (en) * | 2021-05-24 | 2021-09-07 | 赣州好朋友科技有限公司 | Spout valve drive control circuit |
| CN113359544B (en) * | 2021-05-24 | 2022-05-17 | 赣州好朋友科技有限公司 | Spout valve drive control circuit |
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