CN107687416A - The probe circuit and its method of water pump controller - Google Patents
The probe circuit and its method of water pump controller Download PDFInfo
- Publication number
- CN107687416A CN107687416A CN201710923518.6A CN201710923518A CN107687416A CN 107687416 A CN107687416 A CN 107687416A CN 201710923518 A CN201710923518 A CN 201710923518A CN 107687416 A CN107687416 A CN 107687416A
- Authority
- CN
- China
- Prior art keywords
- circuit
- probe
- water level
- low
- pump controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The present invention relates to a kind of probe circuit of water pump controller.Including power supply, the power supply is electrically connected with low probe, middle probe and high probe, the low probe, middle probe and high probe are provided with pressure sensor, the low probe is electrically connected with detects circuit for the low water level of sensed water level height, the middle probe and high probe are electrically connected with detects circuit for the high water level of sensed water level height, also include anti-jamming circuit, optical coupling isolation circuit and half-wave rectifying circuit, the anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and half-wave rectifying circuit respectively with the low probe, middle probe and high probe are electrically connected with.Circuit design is reasonable, and structure is relatively easy, the strong antijamming capability of circuit, and detection signal is accurate.
Description
Technical field
The present invention relates to water pump field, more particularly to the probe circuit and its method of a kind of water pump controller.
Background technology
Water pump controller starts or stopped water pump according to the water source state detected, at present, most on the market
Water pump controller be all by a triode and a relay group into circuit power, pass through the side for detection signal of popping one's head in
Formula judges water source situation, but such circuit anti-interference ability, signal sensitivity be not high.Now propose a kind of circuit structure
Simply, the probe circuit of the water pump controller of strong antijamming capability.
The content of the invention
To achieve the above object, the present invention adopts the following technical scheme that：A kind of probe circuit of water pump controller, including：
Power supply, the power supply are electrically connected with low probe, middle probe and high probe, and the low probe, middle probe and high probe are provided with pressure
Force snesor, the low probe is electrically connected with detects circuit, the middle probe and height for the low water level of sensed water level height
Probe is electrically connected with detects circuit for the high water level of sensed water level height, also includes anti-jamming circuit, light-coupled isolation electricity
Road and half-wave rectifying circuit, the anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and half-wave rectifying circuit respectively with
The low probe, middle probe and high probe are electrically connected with.
The present invention operation principle be：Power supply, the power supply is electrically connected with low probe, middle probe and high probe, described
Low probe, middle probe and high probe are provided with pressure sensor, and the low probe is electrically connected with for the low of sensed water level height
Water level detection circuit, the middle probe and high probe are electrically connected with and detect circuit for the high water level of sensed water level height, also
Include anti-jamming circuit, optical coupling isolation circuit and half-wave rectifying circuit, the anti-jamming circuit, signal amplification circuit, optocoupler
Isolation circuit and half-wave rectifying circuit are electrically connected with the low probe, middle probe and high probe respectively.
Circuit is powered with one group of low-voltage alternating-current 50Hz power supply, by being set on low probe, middle probe and high probe
Pressure sensor and corresponding low water level detection circuit and high water level detection circuit carry out signal transacting, put by signal
Big circuit is amplified processing to the signal detected, and the electrical equipment for realizing input/output signal by optical coupling isolation circuit is isolated,
Suppress voltage endurance noise, strengthen anti-electromagnetic interference capability, 50Hz AC signal is shaped to by 50Hz by half-wave rectifying circuit
Pulse signal.
Further, also include and open stopping detecting circuit, the stopping detecting circuit that opens has input and output end, passes through
The rising edge and trailing edge of detection input signal, corresponding detection signal is exported from the output end.
The frequent starting of water pump and stopping can cause motor to burn out, and by opening stopping detecting circuit, setting is within a certain period of time
Forbid repeatedly starting, or start overlong time to be automatically stopped, avoid water pump frequent starting or water filling excessive.
Further, the optical coupling isolation circuit is made up of a diode and a phototriode.
The optical coupling isolation circuit being made up of diode and a phototriode realizes the electrical equipment of input/output signal
Isolation, suppress voltage endurance noise, strengthen anti-electromagnetic interference capability.
Present invention also offers a kind of probe circuit of water pump controller and its method, comprise the following steps：
S1：Low probe, middle probe and high probe are respectively arranged at the corresponding position in pond；
S2：Water is injected to pond, when the pressure sensor of low probe detects hydraulic pressure, sending detection to low water level detection circuit believes
Number；
S3：Low water level detect circuit by detection signal respectively by anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and
The signal handled well is sent to water pump controller after half-wave rectifying circuit；
S4：The pressure sensor of central water level and high water level probe detects hydraulic pressure, and detection letter is sent to high water level detection circuit
Number；
S5：High water level detect circuit by detection signal respectively by anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and
The signal handled well is sent to water pump controller after half-wave rectifying circuit；
S6：After water pump controller receives the detection signal of high water level detection circuit, stop water filling.
Beneficial effects of the present invention are：Circuit design is reasonable, and structure is relatively easy, the strong antijamming capability of circuit, detection
Signal is accurate.
Brief description of the drawings
The invention will be further described for accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the schematic block circuit diagram that one embodiment of the invention provides.
Embodiment
As shown in fig. 1, the probe circuit for a kind of water pump controller that one embodiment of the invention provides.
In one embodiment, the probe circuit of the water pump controller, power supply 1, the power supply 1 is electrically connected with low probe
71st, middle probe 72 and high probe 73, the low probe 71, middle probe 72 and high probe 73 are provided with pressure sensor, the low spy
First 71 are electrically connected with the low water level detection circuit 61 for sensed water level height, and the middle probe 72 and high probe 73 electrically connect
It is connected to and detects circuit 62 for the high water level of sensed water level height, also includes anti-jamming circuit 4 and half-wave rectifying circuit 2, institute
State anti-jamming circuit 4, signal amplification circuit 5, optical coupling isolation circuit 3 and half-wave rectifying circuit 2 respectively with it is described it is low probe 71, in
Probe 72 and high probe 73 are electrically connected with.
Circuit is powered with one group of low-voltage alternating-current 50Hz power supply 1, passes through low probe 71, middle probe 72 and high probe 73
The pressure sensor of upper setting and corresponding low water level detection circuit 61 and high water level detection circuit 62 carry out signal transacting,
Processing is amplified to the signal detected by signal amplification circuit 5, input/output signal is realized by optical coupling isolation circuit 3
Electrical equipment isolation, suppress voltage endurance noise, strengthen anti-electromagnetic interference capability, believed 50Hz exchange by half-wave rectifying circuit 2
Number it is shaped to 50Hz pulse signal.
In one embodiment, also include and open stopping detecting circuit, the stopping detecting circuit that opens has input and output end, leads to
The rising edge and trailing edge of detection input signal are crossed, corresponding detection signal is exported from the output end.
The frequent starting of water pump and stopping can cause motor to burn out, and by opening stopping detecting circuit, setting is within a certain period of time
Forbid repeatedly starting, or start overlong time to be automatically stopped, avoid water pump frequent starting or water filling excessive.
In one embodiment, the optical coupling isolation circuit 3 is made up of a diode and a phototriode.
The optical coupling isolation circuit 3 being made up of diode and a phototriode realizes the electrical equipment of input/output signal
Isolation, suppress voltage endurance noise, strengthen anti-electromagnetic interference capability.
Present invention also offers a kind of probe circuit of water pump controller and its method, comprise the following steps：
S1：Low probe 71, middle probe 72 and high probe 73 are respectively arranged at the corresponding position in pond；
S2：Water is injected to pond, when the pressure sensor of low probe 71 detects hydraulic pressure, detecting circuit 61 to low water level sends inspection
Survey signal；
S3：Low water level detects circuit 61 by detection signal respectively by anti-jamming circuit 4, signal amplification circuit 5, light-coupled isolation electricity
The signal handled well is sent to water pump controller after road 3 and half-wave rectifying circuit 2；
S4：The pressure sensor of central water level and high water level probe detects hydraulic pressure, and detection is sent to high water level detection circuit 62
Signal；
S5：High water level detects circuit 62 by detection signal respectively by anti-jamming circuit 4, signal amplification circuit 5, light-coupled isolation electricity
The signal handled well is sent to water pump controller after road 3 and half-wave rectifying circuit 2；
S6：After water pump controller receives the detection signal of high water level detection circuit 62, stop water filling.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
- A kind of 1. probe circuit of water pump controller, it is characterised in that：Including power supply, the power supply be electrically connected with it is low probe, Middle probe and high probe, the low probe, middle probe and high probe are provided with pressure sensor, and the low probe is electrically connected with useful Circuit is detected in the low water level of sensed water level height, the middle probe and high probe are electrically connected with for sensed water level height High water level detects circuit, also includes anti-jamming circuit, optical coupling isolation circuit and half-wave rectifying circuit, the anti-jamming circuit, Signal amplification circuit, optical coupling isolation circuit and half-wave rectifying circuit electrically connect with the low probe, middle probe and high probe respectively Connect.
- 2. the probe circuit of water pump controller according to claim 1, it is characterised in that：Also include and open stopping detecting circuit, The stopping detecting circuit that opens has input and output end, by the rising edge and trailing edge of detection input signal, from described Output end exports corresponding detection signal.
- 3. the probe circuit of water pump controller according to claim 1, it is characterised in that：The optical coupling isolation circuit is by one Diode and a phototriode composition.
- 4. the probe circuit and its method of a kind of water pump controller, according to the probe of claim 1 ~ 4 water pump controller electricity Road, comprise the following steps：S1：Low probe, middle probe and high probe are respectively arranged at the corresponding position in pond；S2：Water is injected to pond, when the pressure sensor of low probe detects hydraulic pressure, sending detection to low water level detection circuit believes Number；S3：Low water level detect circuit by detection signal respectively by anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and The signal handled well is sent to water pump controller after half-wave rectifying circuit；S4：The pressure sensor of central water level and high water level probe detects hydraulic pressure, and detection letter is sent to high water level detection circuit Number；S5：High water level detect circuit by detection signal respectively by anti-jamming circuit, signal amplification circuit, optical coupling isolation circuit and The signal handled well is sent to water pump controller after half-wave rectifying circuit；S6：After water pump controller receives the detection signal of high water level detection circuit, stop water filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923518.6A CN107687416A (en) | 2017-09-30 | 2017-09-30 | The probe circuit and its method of water pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923518.6A CN107687416A (en) | 2017-09-30 | 2017-09-30 | The probe circuit and its method of water pump controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107687416A true CN107687416A (en) | 2018-02-13 |
Family
ID=61154180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710923518.6A Pending CN107687416A (en) | 2017-09-30 | 2017-09-30 | The probe circuit and its method of water pump controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107687416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162912A (en) * | 2018-09-10 | 2019-01-08 | 贵州省水利水电勘测设计研究院 | A kind of water plug monitoring and control method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201739150U (en) * | 2010-08-04 | 2011-02-09 | 奚君辉 | Probe circuit of water pump controller |
| CN203364919U (en) * | 2013-07-22 | 2013-12-25 | 中交第四航务工程局有限公司 | Water-level automatic monitoring system for large caisson |
| CN203520173U (en) * | 2013-05-07 | 2014-04-02 | 苏州优德通力电气有限公司 | Probe-type electronic switch |
| CN206144770U (en) * | 2016-10-19 | 2017-05-03 | 台州索月电子科技有限公司 | Pump control ware circuit, open and stop control circuit |
-
2017
- 2017-09-30 CN CN201710923518.6A patent/CN107687416A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201739150U (en) * | 2010-08-04 | 2011-02-09 | 奚君辉 | Probe circuit of water pump controller |
| CN203520173U (en) * | 2013-05-07 | 2014-04-02 | 苏州优德通力电气有限公司 | Probe-type electronic switch |
| CN203364919U (en) * | 2013-07-22 | 2013-12-25 | 中交第四航务工程局有限公司 | Water-level automatic monitoring system for large caisson |
| CN206144770U (en) * | 2016-10-19 | 2017-05-03 | 台州索月电子科技有限公司 | Pump control ware circuit, open and stop control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162912A (en) * | 2018-09-10 | 2019-01-08 | 贵州省水利水电勘测设计研究院 | A kind of water plug monitoring and control method and system |
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Application publication date: 20180213 |