CN204875952U - Constant pressure water supply control system - Google Patents
Constant pressure water supply control system Download PDFInfo
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- CN204875952U CN204875952U CN201520642211.5U CN201520642211U CN204875952U CN 204875952 U CN204875952 U CN 204875952U CN 201520642211 U CN201520642211 U CN 201520642211U CN 204875952 U CN204875952 U CN 204875952U
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- water supply
- hydraulic pressure
- water
- pressure value
- circuit
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Abstract
The utility model provides a constant pressure water supply control system, includes a water supply water pump that is used for improving or reducing the water pressure value of its water, one is used for predetermineeing the standard of water supply water pump goes out the standard water pressure preinstalled circuit of the size of water water pressure value, one be used for detecting and the phase detecting circuit of water supply water pump electric connection's input voltage's phase place, one is used for detecting the water pressure detection circuitry of the size of the instant water pressure value of play water of water supply water pump, one is used for the comparison the standard goes out the water pressure comparison circuit of water water pressure value and instant water pressure value, and one is used for the input the phase place of the voltage of water supply water pump carry out eager looks so that instant water pressure value equals the standard goes out the power converting output circuit of water water pressure value. Constant pressure water supply control system does not adopt converter etc. To cause severe contamination, the spare part that costs an arm and a leg again simultaneously to the meeting electric wire netting for whole intelligence control system simple structure, and the price is lower, is favorable to popularizing and applying on a large scale.
Description
Technical field
The utility model relates to water system, particularly relates to a kind of constant pressure water supply control system.
Background technology
At present, constant pressure water supply mode mainly contains air pressure tank mode and frequency control way.Compared with air pressure tank mode, frequency control way has the advantage such as energy conservation, stable and reliable operation, and economic benefit and social benefit obviously, become the main flow of constant pressure water supply mode.
Domestic at present have many companies doing the engineering of constant pressure water supply, but selecting at controller, all adopt programmable logic controller, in the practical application of constant pressure water supply, frequency converter is general only as executing agency, need pressure controller to realize closed-loop control, and a frequency converter only drives a water pump assembly, almost do not have a frequency converter to drag the situation of multiple water pump assembly, thus the cost of investment of controller and frequency converter is high.And the SPWM control technology that adopts of general frequency converter can produce higher hamonic wave and causes severe contamination to electrical network, simultaneously due to the structure of frequency converter and principle more complicated, cost intensive, general water pump can not joined, and is unfavorable for applying.
Summary of the invention
In view of this, be necessary to provide a kind of little to electric network pollution, the constant pressure water supply control system that cost is low, to solve above-mentioned deficiency.
A kind of constant pressure water supply control system, it is characterized in that, described constant pressure water supply control system comprises: a water supply pump, for improving or reduce the hydraulic pressure value of its water outlet; A standard hydraulic pressure preinstalled circuit, for presetting the size of the standard water outlet hydraulic pressure value of described water supply pump; A phase detecting circuit, for detecting the phase place of the input voltage be electrically connected with described water supply pump; A hydraulic pressure testing circuit, the size of the instant hydraulic pressure value of the water outlet for detecting described water supply pump; A hydraulic pressure comparison circuit, for more described standard water outlet hydraulic pressure value and instant hydraulic pressure value; A power transfer output circuit, for the output according to described hydraulic pressure comparison circuit and the current phase place that recorded by described phase detecting circuit, the phase place to the voltage of the described water supply pump of input carries out cut to change the input power of described water supply pump and then to make described instant hydraulic pressure value equal described standard water outlet hydraulic pressure value.
Further, described water supply pump comprises a motor, and described motor and civil power are electrically connected with the power output received from civil power.
Further, described power transfer output circuit and civil power are electrically connected and carry out cut to change the input power of water supply pump described in this with the output according to hydraulic pressure comparison circuit to the phase place of the output voltage of this civil power.
Further, described power transfer output circuit comprises a control of silicion controlled voltage regulator device, and a computing module be electrically connected with this control of silicion controlled voltage regulator device, described computing module and described hydraulic pressure comparison circuit are electrically connected and send cut instruction according to the current phase place that output and the described phase detecting circuit of this hydraulic pressure comparison circuit detect to described control of silicion controlled voltage regulator device.
Further, described constant pressure water supply control system also comprises a personal-machine interactive module, and this human-computer interaction module and described standard hydraulic pressure preinstalled circuit are electrically connected for inputting described standard water outlet hydraulic pressure value.Further, described human-computer interaction module also comprises a display unit, and this display unit is for showing current standard water outlet hydraulic pressure value.
Compared with prior art, described constant pressure water supply control system does not adopt frequency converter etc. to causing severe contamination by electrical network, simultaneously expensive component again, make whole Structure of intelligent control system simple, and price is lower, is conducive to applying on a large scale.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is the theory diagram of a kind of constant pressure water supply control system provided by the invention.
Fig. 2 is the oscillogram of constant pressure water supply control system at the input voltage of Different periods of Fig. 1.
Detailed description of the invention
Based on accompanying drawing, specific embodiments of the invention are further elaborated below.Should be appreciated that specific embodiment described herein is only as embodiment, the protection domain be not intended to limit the present invention.
Refer to Fig. 1 and Fig. 2, it is the theory diagram of a kind of constant pressure water supply control system 100 provided by the invention.Described constant pressure water supply control system 100 comprises a water supply pump 10, a standard hydraulic pressure preinstalled circuit 11, a phase detecting circuit 12 be electrically connected with described water supply pump 10, a hydraulic pressure testing circuit 13 be electrically connected with described water supply pump 10, a hydraulic pressure comparison circuit 14 be electrically connected with described standard hydraulic pressure preinstalled circuit 11 and hydraulic pressure testing circuit 13, and a power transfer output circuit 15 be electrically connected with described hydraulic pressure comparison circuit 14 and phase detecting circuit 12.It is envisioned that described constant pressure water supply control system 15 also includes other functional modules known by those skilled in the art, such as button, leakage protection module etc.
Described water supply pump 10 is known by those skilled in the art, and it comprises at least one motor, and this motor and civil power are electrically connected with the power output received from civil power.The output rotating shaft of this motor drives the impeller high-speed rotation in the pump housing thus increases the current discharge pressure of delivery port.This motor is undertaken powering and providing power by described civil power.Civil power is known by those skilled in the art, and it is the alternating current of 220 volts, as shown in a curve of Fig. 2, it is a kind of sinusoidal wave, and under normal circumstances, civil power is that full power inputs to motor, motor also full lift output under this full power, at this moment water outlet hydraulic pressure also reach maximum.But user does not but need so large water outlet hydraulic pressure sometimes, what at this moment first expect is exactly the power output reducing this civil power, thus reduces described power input to a machine, and then reaches the object reducing water outlet hydraulic pressure.In addition, user needs the water outlet hydraulic pressure arranging described water supply pump 10 according to actual needs, at this moment also needs the power output regulating motor.In the actual moving process of motor, when hydraulic pressure declines, the rotating speed that motor will improve water pump allows hydraulic pressure go back up to setting pressure to reach, and when hydraulic pressure rises, motor then will reduce pump rotary speed and return setting pressure by hydraulic pressure.And the power output change that will complete required for above-mentioned motor, then need following several functional modules to coordinate.
Described standard hydraulic pressure preinstalled circuit 11 is for presetting the size of the standard water outlet hydraulic pressure value of described water supply pump 10.This standard hydraulic pressure preinstalled circuit 11 can need according to user the setting carrying out hydraulic pressure value, reaches the object of man-machine interaction.Described standard hydraulic pressure preinstalled circuit 11 has function digital information being converted to analog information, and the digital information by user's input is converted to analog signal so that whole system reads.
Described phase detecting circuit 12 is for detecting the phase place of the input voltage of described water supply pump 10 electric connection, i.e. the instant phase place of civil power.The circuit output signal of described phase detecting circuit 12 can directly be connected with computer interface, also can be passed through low pass filter and digital voltage list catenation, thus reaches the object allowing other functional modules gather.In case of need, user also can be allowed to check.
Described hydraulic pressure testing circuit 13 is for detecting the size of the instant hydraulic pressure value of water outlet of described water supply pump 10, and it can form primarily of pressure sensor.The difference of certain sensor, circuit design also may be different, and " the water-pressure survey circuit design based on XTR105 " delivered by " Electronic Testing " such as in August, 2010 proposes the circuit that a kind of hydraulic pressure detects, and it can as one embodiment of the invention.Data-signal detected by described hydraulic pressure testing circuit 13 also can directly be connected with computer interface, to reach the object allowing other functional modules gather the data detected by it.
Described hydraulic pressure comparison circuit 14 is for more described standard water outlet hydraulic pressure value and instant hydraulic pressure value, itself and described standard hydraulic pressure preinstalled circuit 11 and hydraulic pressure testing circuit 13 are electrically connected to receive the data of these two functional modules and make comparisons to it, be greater than described standard water outlet hydraulic pressure value with the instant hydraulic pressure value of the water outlet calculating water supply pump 10 or be less than described standard water outlet hydraulic pressure value, then result being exported to following power transfer output circuit 15.Comparison circuit adopts embedded logic compute chip.Comparing whole system and just can know the rotating speed improving water pump or the rotating speed reducing water pump through described hydraulic pressure comparison circuit 14 pairs of instant hydraulic pressure values of water outlet and described standard water outlet hydraulic pressure value.This order is then performed by power transfer output circuit 15.
Described power transfer output circuit 15 for the output according to described hydraulic pressure comparison circuit 14 and the current phase place that recorded by described phase detecting circuit 12 phase place to the voltage of the described water supply pump 10 of input carry out cut to change the input power of described water supply pump 10 and then to make described instant hydraulic pressure value equal described standard water outlet hydraulic pressure value.Therefore, described power transfer output circuit 15 is electrically connected with described hydraulic pressure comparison circuit 14, phase detecting circuit 12 and civil power and carries out cut to change the input power of water supply pump 10 described in this with the output according to hydraulic pressure comparison circuit 14 to the phase place of the output voltage of this civil power.Described power transfer output circuit 15 can comprise a control of silicion controlled voltage regulator device 151, and a computing module 152 be electrically connected with this control of silicion controlled voltage regulator device.Described computing module 152 is electrically connected with described hydraulic pressure comparison circuit 14 and sends cut instruction according to the current phase place that output and the described phase detecting circuit 12 of this hydraulic pressure comparison circuit 14 detect to described control of silicion controlled voltage regulator device 151.Described control of silicion controlled voltage regulator device 151 is a kind of based on controllable silicon (power electronic power device), and the power control apparatus being core with intelligent digital control circuit, it, known by art technology, does not repeat them here.By described power transfer output circuit 15 to the cut of inputted civil power, as shown in the b curve of Fig. 2, wherein dash area is the phase place of cutting away, the input power of described water supply pump 10 reduces or increases, rotating speed also reduces or improves, thus can reach the object reducing or raise instant water outlet hydraulic pressure.And described power transfer output circuit 15 is how many to the cut of inputted civil power, is to compare with the data of hydraulic pressure testing circuit 12 according to standard hydraulic pressure preinstalled circuit 11 to operate, thus reaches intelligent object.
Further, described constant pressure water supply control system 100 also comprises a personal-machine interactive module 16.This human-computer interaction module 16 is electrically connected for inputting described standard water outlet hydraulic pressure value with described standard hydraulic pressure preinstalled circuit 11.Certainly, described human-computer interaction module also comprises a display unit 161, this display unit 161 for showing the standard water outlet hydraulic pressure value of current setting so that user knows current water outlet hydraulic pressure value.
Compared with prior art, described constant pressure water supply control system 100 does not adopt frequency converter etc. to causing severe contamination by electrical network, simultaneously expensive component again, makes whole Structure of intelligent control system simple, and price is lower, be conducive to applying on a large scale.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all do in the spirit and principles in the present invention any amendment, equivalent to replace and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a constant pressure water supply control system, is characterized in that, described constant pressure water supply control system comprises:
A water supply pump, improves or reduces the hydraulic pressure value of its water outlet;
A standard hydraulic pressure preinstalled circuit, for presetting the size of the standard water outlet hydraulic pressure value of described water supply pump;
A phase detecting circuit, for detecting the phase place of the input voltage be electrically connected with described water supply pump;
A hydraulic pressure testing circuit, the size of the instant hydraulic pressure value of the water outlet for detecting described water supply pump;
A hydraulic pressure comparison circuit, for more described standard water outlet hydraulic pressure value and instant hydraulic pressure value;
A power transfer output circuit, for the output according to described hydraulic pressure comparison circuit and the current phase place that recorded by described phase detecting circuit, the phase place to the voltage of the described water supply pump of input carries out cut to change the input power of described water supply pump and then to make described instant hydraulic pressure value equal described standard water outlet hydraulic pressure value.
2. constant pressure water supply control system as claimed in claim 1, it is characterized in that: described water supply pump comprises a motor, described motor and civil power are electrically connected with the power output received from civil power.
3. constant pressure water supply control system as claimed in claim 2, is characterized in that: described power transfer output circuit and civil power are electrically connected and carry out cut to change the input power of water supply pump described in this with the output according to hydraulic pressure comparison circuit to the phase place of the output voltage of this civil power.
4. constant pressure water supply control system as claimed in claim 1, it is characterized in that: described power transfer output circuit comprises a control of silicion controlled voltage regulator device, and a computing module be electrically connected with this control of silicion controlled voltage regulator device, described computing module and described hydraulic pressure comparison circuit are electrically connected and send cut instruction according to the current phase place that output and the described phase detecting circuit of this hydraulic pressure comparison circuit detect to described control of silicion controlled voltage regulator device.
5. constant pressure water supply control system as claimed in claim 1, it is characterized in that: described constant pressure water supply control system also comprises a personal-machine interactive module, this human-computer interaction module and described standard hydraulic pressure preinstalled circuit are electrically connected for inputting described standard water outlet hydraulic pressure value.
6. constant pressure water supply control system as claimed in claim 5, it is characterized in that: described human-computer interaction module also comprises a display unit, this display unit is for showing current standard water outlet hydraulic pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642211.5U CN204875952U (en) | 2015-08-24 | 2015-08-24 | Constant pressure water supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642211.5U CN204875952U (en) | 2015-08-24 | 2015-08-24 | Constant pressure water supply control system |
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| CN204875952U true CN204875952U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520642211.5U Expired - Fee Related CN204875952U (en) | 2015-08-24 | 2015-08-24 | Constant pressure water supply control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
-
2015
- 2015-08-24 CN CN201520642211.5U patent/CN204875952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151216 Termination date: 20160824 |