CN206573949U - A kind of pressure controller - Google Patents
A kind of pressure controller Download PDFInfo
- Publication number
- CN206573949U CN206573949U CN201720341756.1U CN201720341756U CN206573949U CN 206573949 U CN206573949 U CN 206573949U CN 201720341756 U CN201720341756 U CN 201720341756U CN 206573949 U CN206573949 U CN 206573949U
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- Prior art keywords
- pressure
- circuit
- electric signal
- relay
- limit comparator
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Abstract
A kind of pressure controller, including power module, in addition to：Low pressure limit sensor, upper pressure limit sensor and main control unit；Low pressure limit sensor is used to produce the first electric signal when receiving optical signal according to pressure change, is additionally operable to produce the second electric signal when not receiving optical signal according to pressure change；Upper pressure limit sensor is used to produce the 3rd electric signal when receiving optical signal according to pressure change, and the 4th electric signal is produced when being additionally operable to not receive optical signal according to pressure change；When main control unit obtains the first electric signal and three electric signals simultaneously, for controlling power module to turn on, when main control unit obtains the second electric signal and four electric signals simultaneously, control power module shut-off is additionally operable to.According to pressure change by whether receiving whether optical signal automatically adjusts to pressure, when controlling water pump, start-up and shut-down control can be carried out to the water pump of full pressure and decompression state, control accuracy is high, reduces the start-stop time of water pump, extends the service life of water pump.
Description
Technical field
The utility model is related to water pump control technology field, and in particular to a kind of pressure controller.
Background technology
The raising required with people's living standard and to automation, the Automated condtrol of water pump is more and more universal, solution
The step of water pump of having determined needs to go start and stop manually in use, improves efficiency；Pressure controller can automatically control various
The start and stop of water pump, freely adjusting for Stress control is realized, is widely used, current Automated condtrol is mostly root
According to the pressure switch amount signal and/or water flow switch amount signal received, the start and stop to water pump are controlled；But because of this kind of sensing
Device structural factor itself influences, and causes accuracy of detection relatively low, service life is short.Or the frequent start-stop of water pump is caused, cause water pump
Service life is reduced.
The content of the invention
The problem of controlling water pump automatic start-stop for pressure controller, the application provides a kind of pressure controller, including electricity
Source module, in addition to low pressure limit sensor, upper pressure limit sensor and main control unit；
Low pressure limit sensor is used to, according to the first electric signal is produced when receiving optical signal, be additionally operable to basis and not receive
The second electric signal is produced during optical signal；
Upper pressure limit sensor is used to, according to optical signal the 3rd electric signal of generation is received, be additionally operable to basis and not receive light
The 4th electric signal is produced during signal；
When main control unit obtains the first electric signal and three electric signals simultaneously, for controlling power module to turn on, work as master
Unit is controlled while when obtaining the second electric signal and four electric signals, being additionally operable to control power module shut-off.
In a kind of embodiment, main control unit includes：Relay circuit, delay circuit and control circuit；
Pressure controller also includes the relay switch for being used to open and close power module, and relay circuit is used to turn on
With the shut-off relay switch, the input of relay circuit is coupled to the output end of delay circuit；
Output end of the input of circuit respectively with low pressure limit sensor and upper pressure limit sensor is controlled to couple, control
The output end of circuit is coupled with the input of delay circuit and the input of relay circuit respectively；
Control circuit is used to be driven indirectly by delay circuit according to the first electric signal and the 3rd electric signal that obtain simultaneously
Relay circuit turn-on relay switch, be additionally operable to according to and meanwhile obtain the second electric signal and the 4th electric signal direct drive after
Appliance circuit turns off the relay switch, is additionally operable to according to while the second electric signal obtained and the direct drive of the 3rd electric signal
Relay circuit turn-on relay is switched.
In a kind of embodiment, control circuit includes lower limit comparator and upper limit comparator；
The input of lower limit comparator is coupled to the output end of low pressure limit sensor, the input coupling of upper limit comparator
To the output end of upper pressure limit sensor, lower limit comparator and upper limit comparator respectively there is two-way to export, wherein, export all the way
Input after coupling again with relay circuit is coupled, and another road output coupling of lower limit comparator is electric to one group of reversal of diode
Road, the input of another road output coupling of upper limit comparator to delay circuit；
Lower limit comparator and upper limit comparator produce the first electricity respectively according to corresponding first electric signal and the 3rd electric signal
Pressure, and second voltage is produced according to corresponding second electric signal and the 4th electric signal respectively；
When lower limit comparator and upper limit comparator produce first voltage simultaneously, upper limit comparator, delay circuit, relay electricity
Road forms a turning circuit, and relay circuit turn-on relay switch, lower limit comparator and upper limit comparator produce second simultaneously
During voltage, relay circuit shut-off relay switch.
In a kind of embodiment, main control unit also includes reset key, the input connection of reset key and delay circuit.
In a kind of embodiment, main control unit also includes the output end of indicating lamp module, indicating lamp module and relay circuit
Connection.
In a kind of embodiment, in addition to zero-pressure force snesor, the input connection of zero-pressure force snesor and delay circuit.
In a kind of embodiment, low pressure limit sensor and upper pressure limit sensor are respectively infrared sensor.
According to the pressure controller of above-described embodiment, during due to the application according to pressure change, by whether receiving light
Whether signal carries out the purpose that break-make control reaches regulation pressure to power module, when pressure controller is used to control water pump,
Stop and start control can be carried out to the water pump of full pressure and decompression state, control accuracy is high, reduces the start-stop time of water pump, extends
The service life of water pump.
Brief description of the drawings
Fig. 1 is pressure controller schematic diagram；
Fig. 2 is pressure controller circuit diagram；
Fig. 3 is that pressure controller controls pump working circuit diagram.
Embodiment
The utility model is described in further detail below by embodiment combination accompanying drawing.
This example provides a kind of pressure controller, and its schematic diagram is as shown in figure 1, including power module 1, low pressure limit sensor
2nd, whether right upper pressure limit sensor 3 and main control unit 4, receive optical signal when the pressure controller of this example is according to pressure change
The break-make of power module 1 is controlled, and realizes the regulation of pressure.
Wherein, low pressure limit sensor 2 and upper pressure limit sensor 3 can be believed according to being received during pressure change or not receiving light
Number, it is preferred that low pressure limit sensor 2 and upper pressure limit sensor 3 are respectively infrared sensor, with receive infrared signal and
Launch the function of infrared signal.
The control principle of pressure controller is：Pre-set low pressure limit and upper pressure limit, pressure be located at low pressure limit and
When following, low pressure limit sensor 2 can receive optical signal, and otherwise low pressure limit sensor 2 does not receive optical signal, equally
, (not including upper pressure limit) when pressure is located at below upper pressure limit, upper pressure limit sensor 2 can receive optical signal, otherwise
Upper pressure limit sensor 2 does not receive optical signal；Moreover, low pressure limit sensor 2 can produce the first electricity when receiving optical signal
Signal, can produce the second electric signal when not receiving optical signal；Likewise, energy when upper pressure limit sensor 3 receives optical signal
The 3rd electric signal is produced, the 4th electric signal can be produced when not receiving optical signal；When simultaneously main control unit 4 obtains the first electric signal
During with three electric signals, illustrate that pressure is in low pressure limit and following, i.e. decompression state, now, the control power supply mould of main control unit 4
Block 1 is turned on, and regulation pressure rises, and when main control unit 4 obtains the second electric signal and four electric signals simultaneously, illustrates that pressure is in
Upper pressure limit, i.e. full pressure condition, now, the power module 1 of main control unit 4 is turned off, and pressure stops rising.
Further, main control unit 4 includes relay circuit 41, delay circuit 42 and control circuit 43, and pressure controller is also
Including the relay switch 5 for opening and closing power module 1, relay circuit 41 is used for turn-on and turn-off relay switch
5, the input of relay circuit 41 is coupled to the output end of delay circuit 42；Control circuit 43 input respectively with pressure
The output end coupling of sensor 2 and upper pressure limit sensor 3 is limited, controls the output end of circuit 43 defeated with delay circuit 42 respectively
The input for entering end and relay circuit is coupled；Circuit 43 is controlled to be used for according to the first electric signal and the 3rd telecommunications obtained simultaneously
Number by the driving relay circuit 41 turn-on relay switch 5 indirectly of delay circuit 42, therefore, during decompression state, power module 1
Conducting need delay；Further, control circuit 43 is additionally operable to according to while the second optical signal and the 4th optical signal that obtain are straight
The driving shut-off relay switch 5 of relay circuit 41 is connect, during full pressure condition, directly stops pressure and rises；Control circuit 43 is also used
5 are switched in directly driving the turn-on relay of relay circuit 41 according to the second electric signal and the 3rd electric signal that obtain simultaneously, with
Pressure is kept to continue to rise when being located between low pressure limit and upper pressure limit.
The circuit diagram of pressure controller is as shown in Fig. 2 wherein, control circuit 43 includes lower limit comparator 431 and upper limit ratio
Compared with device 432, the input of lower limit comparator 431 is coupled to the output end of low pressure limit sensor 2, upper limit comparator 432 it is defeated
Enter output end of the end coupled to upper pressure limit sensor 3, lower limit comparator 431 and upper limit comparator 432 have two-way defeated respectively
Go out, wherein, the input after output coupling again with relay circuit 41 is coupled all the way, another road output of lower limit comparator 431
Coupled to one group of reversal of diode circuit, the input of another road output coupling of upper limit comparator 432 to delay circuit 42；Under
Limit comparator 431 and upper limit comparator 432 produce first voltage respectively according to corresponding first electric signal and the 3rd electric signal, and
Second voltage is produced according to corresponding second electric signal and the 4th electric signal respectively；Lower limit comparator 431 and upper limit comparator 432
When exporting first voltage simultaneously, upper limit comparator 432, delay circuit 42, one turning circuit of formation of relay circuit 41, relay
When the turn-on relay of circuit 41 switch 5, lower limit comparator 431 and upper limit comparator 432 export second voltage simultaneously, relay electricity
Road 41 turns off relay switch 5.
Further, main control unit 4 also includes reset key 44 and indicating lamp module 45, reset key 44 and delay circuit 42
Input connection, the working condition of power module 1 is resetted by reset key 44, indicating lamp module 45 and relay
The output end connection of circuit 41, different light colors can be flashed according to the working station indicator module 45 of power module 1,
When such as turning on, the blinking green of indicating lamp module 45, and during off state, flash red.
Further, further, pressure controller also includes zero-pressure force snesor 6, zero-pressure force snesor 6 and delay circuit 42
Input connection, when it is zero that zero-pressure force snesor 6, which detects pressure, zero-pressure force snesor 6 pass through delay circuit 42 be delayed T
The power module 1 controlled after time is turned off, and excludes potential safety hazard.
Be the operation principle of pressure controller above, by the reception of optical signal whether, pressure is adjusted, below,
Exemplified by controlling water pump 7, further illustrate that pressure controller carries out the specific of automatic stop and start under water pump 7 completely pressure and decompression state
Working method, to reduce the frequent start-stop number of times of water pump 7, extends the service life of water pump.
Wherein, the low pressure limit and upper pressure limit of water pump 7, the pressure in water pump 7 are pre-set by bound rotating disk
During less than or equal to low pressure limit, then water pump 7 be in decompression state, when the pressure in water pump 7 limit under stress with upper pressure limit it
Between enter, then water pump 7 is in normal operating conditions, when the pressure in water pump 7 reaches upper pressure limit, and water pump 7 is in full pressure condition,
Then water pump 7 is stopped.
When further, due to 7 decompression of water pump, the pointer on bound rotating disk is operated to needed for low pressure limit from upper pressure limit
Time is to start water pump 7 after 3 seconds, i.e. main control unit 4 need delay 3 seconds, and when water pump 7 is completely pressed, main control unit 4 directly stops
The work of water pump 7, it is not necessary to be delayed；The pressure controller of this example can be in 7 decompression of water pump, the startup for the water pump 7 that is delayed, and completely presses
When directly control water pump 7 be stopped, specific electric operation control circuit figure is as shown in figure 3, low pressure limit sensor 2 and upper pressure limit are passed
Sensor 3 is specifically configured to：When the pressure in water pump 7 is less than or equal to low pressure limit, low pressure limit sensor 2 can receive light
Signal, and 0V voltage signal can be produced, and when the pressure in water pump 7 is more than low pressure limit, low pressure limit sensor 2 can not
Receive optical signal, and can produce 5V voltage signal, likewise, when the pressure in water pump 7 is less than upper pressure limit, on pressure
Limit sensor 3 can receive optical signal, and can produce 0V voltage signal, when the pressure in water pump 2 is more than or equal to upper pressure limit
When, upper pressure limit sensor 3 can not receive optical signal, and can produce 5V voltage signal.
According to above-mentioned setting, lower limit comparator 431 passes through the 0V voltages and reference voltage that export low pressure limit sensor 2
Verf exports 5V voltages after being compared, and the 5V voltages that low pressure limit sensor 2 is exported are compared with reference voltage verf
0V voltages are exported more afterwards；Accordingly, upper limit comparator 432 is electric by the 0V voltages for exporting upper pressure limit sensor 3 and reference
Pressure verf exports 5V voltages after being compared, and the 5V voltages that upper pressure limit sensor 3 is exported are carried out with reference voltage verf
0V voltages are exported more afterwards；When lower limit comparator 2 and upper limit comparator 3 export first voltage 5V simultaneously, upper limit comparator 3,
Delay circuit 42, one turning circuit of formation of relay circuit 41, the turn-on relay of relay circuit 41 switch 5；And when lower limit ratio
When exporting second voltage 0V simultaneously compared with device 2 and upper limit comparator 3, the shut-off relay switch 5 of relay circuit 41.
Further, pressure controller can also control water pump 7 to be stopped under the exsiccosis of water pump 7, specifically, water shortage shape
During state, zero-pressure force snesor 6 detects zero pressure, and zero-pressure force snesor 6 is delayed after T time by delay circuit 42 and controls to cut off
The power module 1 of water pump 7, excludes the potential safety hazard of water pump 7.
Use above specific case is illustrated to the utility model, is only intended to help and is understood the utility model, and
Not to limit the utility model.For the utility model person of ordinary skill in the field, think according to of the present utility model
Think, some simple deductions, deformation can also be made or replaced.
Claims (7)
1. a kind of pressure controller, including power module, it is characterised in that also include：Low pressure limit sensor, upper pressure limit are passed
Sensor and main control unit；
The low pressure limit sensor is used to produce the first electric signal when receiving optical signal according to pressure change, is additionally operable to basis
Pressure change produces the second electric signal when not receiving optical signal；
The upper pressure limit sensor is used to produce the 3rd electric signal when receiving optical signal according to pressure change, is additionally operable to basis
Pressure change produces the 4th electric signal when not receiving optical signal；
When the main control unit obtains first electric signal and three electric signals simultaneously, for controlling the power module to lead
Logical, regulation pressure rises, and when the main control unit obtains second electric signal and four electric signals simultaneously, is additionally operable to control
The power module shut-off, pressure stops rising.
2. pressure controller as claimed in claim 1, it is characterised in that the main control unit includes：Relay circuit, delay
Circuit and control circuit；
Pressure controller also includes the relay switch for being used to open and close the power module, and the relay circuit is used for
Relay switch described in turn-on and turn-off, the input of the relay circuit is coupled to the output end of the delay circuit；
Output end of the input of the control circuit respectively with the low pressure limit sensor and upper pressure limit sensor is coupled,
The output end of the control circuit is coupled with the input of the delay circuit and the input of relay circuit respectively；
The control circuit is used for indirect by the delay circuit according to the first electric signal and the 3rd electric signal that obtain simultaneously
Drive relay circuit to turn on the relay switch, be additionally operable to according to while the second optical signal and the 4th optical signal that obtain are straight
Connect driving relay circuit and turn off the relay switch, be additionally operable to according to while the second electric signal and the 3rd electric signal that obtain
Directly drive relay circuit and turn on the relay switch.
3. pressure controller as claimed in claim 2, it is characterised in that the control circuit includes lower limit comparator and the upper limit
Comparator；
The input of the lower limit comparator be coupled to the low pressure limit sensor output end, the upper limit comparator it is defeated
Enter output end of the end coupled to the upper pressure limit sensor, the lower limit comparator and upper limit comparator have two-way defeated respectively
Go out, wherein, the input after output coupling again with the relay circuit is coupled all the way, and another road of the lower limit comparator is defeated
Go out coupled to one group of reversal of diode circuit, the input of another road output coupling of the upper limit comparator to the delay circuit
End；
The lower limit comparator and upper limit comparator produce the respectively according to corresponding first electric signal and the 3rd electric signal
One voltage, and second voltage is produced according to corresponding second electric signal and the 4th electric signal respectively；
When the lower limit comparator and upper limit comparator export first voltage simultaneously, the upper limit comparator, delay circuit, relay
Device circuit one turning circuit of formation, the relay circuit turns on the relay switch, the lower limit comparator and upper limit ratio
When exporting second voltage simultaneously compared with device, the relay circuit turns off the relay switch.
4. pressure controller as claimed in claim 2, it is characterised in that the main control unit also includes reset key, described
Reset key is connected with the input of the delay circuit.
5. pressure controller as claimed in claim 2, it is characterised in that the main control unit also includes indicating lamp module, institute
The output end that indicating lamp module is stated with the relay circuit is connected.
6. pressure controller as claimed in claim 2, it is characterised in that also including zero-pressure force snesor, the zero pressure is passed
Sensor is connected with the input of the delay circuit.
7. pressure controller as claimed in claim 1, it is characterised in that the low pressure limit sensor and upper pressure limit sensing
Device is respectively infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341756.1U CN206573949U (en) | 2017-04-01 | 2017-04-01 | A kind of pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341756.1U CN206573949U (en) | 2017-04-01 | 2017-04-01 | A kind of pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573949U true CN206573949U (en) | 2017-10-20 |
Family
ID=60053197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720341756.1U Expired - Fee Related CN206573949U (en) | 2017-04-01 | 2017-04-01 | A kind of pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573949U (en) |
-
2017
- 2017-04-01 CN CN201720341756.1U patent/CN206573949U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190401 |