CN104763627B - A kind of water pump energy efficiency detection system - Google Patents
A kind of water pump energy efficiency detection system Download PDFInfo
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- CN104763627B CN104763627B CN201510200727.9A CN201510200727A CN104763627B CN 104763627 B CN104763627 B CN 104763627B CN 201510200727 A CN201510200727 A CN 201510200727A CN 104763627 B CN104763627 B CN 104763627B
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Abstract
The invention discloses a kind of water pump energy efficiency detection system, be mainly made up of microprocessor, A/D convertor circuit, flow sensing circuit, liquid level detection circuit and pressure detection circuit；Wherein, this flow sensing circuit is by lever construction, the measurement structure that one end is connected with water pump to be measured, the other end is connected with lever construction, the displacement detecting amplifier being connected with lever construction, and the electro-magnetic feedback structure composition being connected with lever construction and displacement detecting amplifier respectively；Described displacement detecting amplifier is then made up of mu balanced circuit, energy-saving circuit, displacement detecting circuit, seamless circuit.The invention provides a kind of water pump energy efficiency detection system, overcome that current detection difficulty is high with power consumption and problem that testing circuit service life is low with detection efficiency, improve stability and the service life of testing circuit, reduce the power consumption of testing circuit, and then save the difficulty of enterprise's detection and the cost of required input.
Description
Technical field
The present invention relates to a kind of energy efficiency detection system, particularly relate to a kind of water pump energy efficiency detection system.
Background technology
It is known that water pump general-purpose machine driven equipment is China's topmost terminal power consumption equipment, they
Total power consumption accounts for a sizable part for country's gross generation.According to rough Statistics, total power consumption of China's water pump
Amount accounts for the 15% of country's gross generation, but the actual operating efficiency of water pump is the highest, therefore has huge
Big energy conservation potential.In order to reduce the energy resource consumption of water pump, first the efficiency of water pump will be detected,
By being analyzed grasping the running status of water pump to the Efficiency testing of water pump, this is for improving the energy of water pump
Effect and optimization operation tool are of great significance.Prior art its detection power consumption during detection is higher,
And its less stable, the situation often occurring circuit to damage during detection, substantially increase detection difficulty
Degree and the persistence of detection, improve the testing cost of enterprise simultaneously, reduce the efficiency of detection.
Summary of the invention
The invention provides a kind of water pump energy efficiency detection system, overcome current detection difficulty high with power consumption and
The problem that testing circuit service life is low with detection efficiency, improves stability and the service life of testing circuit,
Reduce the power consumption of testing circuit, and then save the difficulty of enterprise's detection and the cost of required input.
The present invention is achieved through the following technical solutions:
A kind of water pump energy efficiency detection system, mainly by microprocessor, the AD conversion being connected with microprocessor
Circuit, and flow sensing circuit, liquid level detection circuit and the pressure inspection being connected with this A/D convertor circuit
Slowdown monitoring circuit forms；Wherein, this flow sensing circuit by lever construction, one end is connected with water pump to be measured,
The measurement structure that the other end is connected with lever construction, the displacement detecting amplifier being connected with lever construction,
And the electro-magnetic feedback structure composition being connected with lever construction and displacement detecting amplifier respectively；Described position
Shifting detection amplifier, then by mu balanced circuit, the energy-saving circuit being connected with mu balanced circuit, is connected with energy-saving circuit
The displacement detecting circuit connect, and the seamless circuit composition being connected with this displacement detecting circuit.
Described mu balanced circuit includes audion VT1, and the transformator T1 being connected with external power source, with transformator
The commutator U1 that the outfan of T1 is connected, is serially connected in the electric capacity C1 of commutator U1 outfan, is serially connected in
Diode D1 between audion VT1 emitter stage and base stage, and the emitter stage of one end and audion VT1
Be connected, inductance L3 that other end base stage with audion VT1 after electric capacity C2 is connected；Described three poles
The colelctor electrode of pipe VT1 is connected with the positive pole of electric capacity C1, its base stage then negative pole with electric capacity C1 is connected.
Described energy-saving circuit is by commutator U2, and negative pole is connected with the cathode output end of commutator U2, positive pole
Electric capacity C3, the resistance R2 in parallel with electric capacity C3 that positive pole with electric capacity C2 is connected after resistance R1, just
Pole is connected with the cathode output end of commutator U2, negative pole is defeated with the negative pole of commutator U2 after resistance R3
Go out the electric capacity C4 that is connected of end, and one end is connected with the positive pole of electric capacity C4, the other end is sequentially through two poles
The resistance R5 composition being connected with the negative pole of electric capacity C4 after pipe D2 and resistance R4；Described commutator U2's
Electrode input end is connected with the positive pole of electric capacity C2, its negative input then negative pole with electric capacity C2 is connected.
Institute's displacement detection circuit is by transformator T2, transformator T3, audion VT2, audion VT3, three
Pole pipe VT4, one end is connected with the emitter stage of audion VT2, the other end after resistance R13 with audion
The resistance R12 that the colelctor electrode of VT2 is connected, one end is connected with the base stage of audion VT2, the other end is suitable
Secondary through resistance R11, P pole that resistance R10 colelctor electrode with audion VT4 after electric capacity C9 is connected and electricity
The junction point of resistance R11 and resistance R10 is connected, N pole is sequentially through diode D7, diode D8 and two poles
The diode D6 that after pipe D9, base stage with audion VT2 is connected, the P pole phase of positive pole and diode D6
The base stage of the electric capacity C10 that connection, negative pole are connected with the base stage of audion VT2, one end and audion VT4
Be connected, electricity that the other end is sequentially connected through electric capacity C6 emitter stage with audion VT4 after electric capacity C5
Resistance R7, one end is connected with the base stage of audion VT4, the other end is through the transmitting of resistance R6 Yu audion VT4
The resistance R8 being extremely connected, one end and audion VT4, the other end are sequentially through resistance R9 and diode D5 and three
The switch K1 that the emitter stage of pole pipe VT4 is connected, negative pole is connected with the negative pole of electric capacity C6, positive pole is through electric capacity C8
The electric capacity C7 being connected with the positive pole of electric capacity C9, and one end is connected with the emitter stage of audion VT3, another
The diode D3 being connected through the negative pole of diode D4 with electric capacity C5 is held to form；The former limit of described transformator T3
The Same Name of Ends of coil is connected with the base stage of audion VT4, the non-same polarity of its secondary coil and electric capacity C8
Positive pole be connected；The Same Name of Ends of the primary coil of described transformator T2 is connected with the negative pole of electric capacity C6, its
The non-same polarity of secondary coil is connected with the negative pole of electric capacity C9；The Same Name of Ends of the primary coil of transformator T2
It is connected with the non-same polarity of the primary coil of transformator T3, the non-same polarity of its secondary coil and transformator
The Same Name of Ends of the secondary coil of T3 is connected；Meanwhile, the negative pole of described electric capacity C9 and the negative pole of electric capacity C10
Being connected, the P pole of diode D3 is extremely connected with the N of diode D5, the colelctor electrode of audion VT2 and three
The base stage of pole pipe VT3 is connected, and the emitter stage of audion VT2 is connected with the colelctor electrode of audion VT3, and two
The P pole of pole pipe D6 is connected with the junction point of resistance R12 and resistance R13, and the N pole of diode D4
Then it is connected with the N pole of diode D2.
Described seamless circuit is by the diode D10 being sequentially connected in series, inductance L1 and inductance L2, respectively with inductance
Diode D11, the diode D12 that L1 is in parallel, and diode D13 in parallel with inductance L2 respectively, two
Pole pipe D14 forms；Wherein, the P pole of diode D11 and diode D12 is both connected to diode D10
N extremely go up, the P pole of diode D13 and diode D14 is both connected to diode D11 and diode D12
N extremely go up, the P pole of diode D10 is connected to the P of diode D6 and extremely goes up.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) alternating current that power supply inputs can be become unidirectional current to provide whole by mu balanced circuit by the present invention
The operation of module, the electric current in this mu balanced circuit can also be amplified through audion, thus preferably prop up
Operation and the use of equipment are held；
(2) present invention can be good at reducing whole by the energy-saving circuit module being arranged in flow sensing circuit
The power consumption of individual circuit, thus reached to save the purpose of electric energy, preferably save the use cost of enterprise,
This energy-saving circuit module in liquid level detection circuit and pressure detection circuit, thus further can also drop simultaneously
The low power consumption of whole equipment；
(3) displacement signal of lever construction can be changed into telecommunications by the shifting testing circuit that position of the present invention is arranged
Number, by the amplification of this displacement detecting circuit, this signal of telecommunication is being amplified, so that the signal of telecommunication energy of output
Enough the most identified, and then make the detection of flow more accurately, improve the accuracy of Product checking
With using effect；
(4) present invention is provided with intrinsically safe circuit, and this intrinsically safe circuit can be good at protecting the operation of whole circuit,
Avoid circuit to damage in running, substantially increase the service life of circuit, reduce the frequency of maintenance
Rate, further increases reliability and the practicality of product, reduces the O&M cost of enterprise.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention.
Fig. 2 is the structured flowchart of the flow sensing circuit of the present invention.
Fig. 3 is the circuit diagram of the displacement detecting amplifier of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
Embodiment
As shown in Figure 1, 2, 3, the present invention mainly by microprocessor, A/D convertor circuit, flow sensing circuit,
Liquid level detection circuit and pressure detection circuit composition, A/D convertor circuit connects on the microprocessor, flow detection
Circuit, liquid level detection circuit and pressure detection circuit are connected on A/D convertor circuit；Flow detection electricity
One end, road is connected with water pump to be measured, the other end is connected the measurement structure having lever construction, with lever construction
The displacement detecting amplifier that the other end is connected, and be connected with lever construction and displacement detecting amplifier respectively
The electro-magnetic feedback structure composition connect；Described displacement detecting amplifier is again by the mu balanced circuit being sequentially connected, joint
Energy circuit, displacement detecting circuit and seamless circuit composition.Wherein the model of microprocessor is STM32, and
The chip model that A/D convertor circuit uses is AD1674AD.
Described mu balanced circuit by transformator T1, commutator U1, audion VT1, electric capacity C1, electric capacity C2,
Diode D1 and inductance L3 composition, transformator T1 is connected with external power source, commutator U1 and transformation
The outfan of device T1 is connected, and electric capacity C1 is serially connected in commutator U1 outfan, and diode D1 is serially connected in three
Between pole pipe VT1 emitter stage and base stage, inductance L3 one end is connected, separately with the emitter stage of audion VT1
One end base stage with audion VT1 after electric capacity C2 is connected；The colelctor electrode of described audion VT1 and electricity
The positive pole holding C1 is connected, its base stage then negative pole with electric capacity C1 is connected.The present invention passes through mu balanced circuit
The alternating current that power supply inputs can be become the unidirectional current operation with the whole module of offer, in this mu balanced circuit
Electric current can also be amplified through audion, thus preferably support operation and the use of equipment.
Energy-saving circuit by commutator U2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5,
Electric capacity C2, electric capacity C3, electric capacity C4, diode D2 form.During connection, the negative pole of this electric capacity C3 is with whole
The cathode output end of stream device U2 is connected, positive pole positive pole with electric capacity C2 after resistance R1 is connected, electricity
Holding C3 in parallel with resistance R2, the positive pole of electric capacity C4 is connected with the cathode output end of commutator U2, negative pole
After resistance R3, the cathode output end with commutator U2 is connected, and one end of resistance R5 is with electric capacity C4 just
Pole is connected, the other end is sequentially connected through diode D2 negative pole with electric capacity C4 after resistance R4；Institute
The positive pole of the electrode input end and electric capacity C2 of stating commutator U2 is connected, its negative input then with electric capacity C2
Negative pole be connected.This energy-saving circuit module is set in the present invention and can be good at reducing the consumption of whole circuit
Electricity, thus reached to save the purpose of electric energy, preferably save the use cost of enterprise.This joint simultaneously
Can also in liquid level detection circuit and pressure detection circuit, thus further reduce whole by circuit module
The power consumption of equipment.
Institute's displacement detection circuit is by transformator T2, transformator T3, audion VT2, audion VT3, three
Pole pipe VT4, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance
R12, resistance R13, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10,
Switch K1, diode D3, diode D4, diode D5, and diode D6 composition.During connection,
One end of this resistance R12 is connected with the emitter stage of audion VT2, the other end after resistance R13 with three poles
The colelctor electrode of pipe VT2 is connected, and one end of resistance R11 is connected with the base stage of audion VT2, the other end
Sequentially it is connected through resistance R10 colelctor electrode with audion VT4 after electric capacity C9, the P of diode D6
Pole is connected with the junction point of resistance R11 and resistance R10, N pole is sequentially through diode D7, diode D8
It is connected with base stage with audion VT2 after diode D9, the P of the positive pole of electric capacity C10 and diode D6
Pole is connected, negative pole is connected with the base stage of audion VT2, and one end of resistance R7 is with audion VT4's
Base stage is connected, the other end is sequentially connected through electric capacity C6 emitter stage with audion VT4 after electric capacity C5,
One end of resistance R8 is connected with the base stage of audion VT4, the other end is through resistance R6 and audion VT4
Emitter stage is connected, and one end of switch K1 and audion VT4, the other end are sequentially through resistance R9 and diode
D5 is connected with the emitter stage of audion VT4, and the negative pole of electric capacity C7 is connected with the negative pole of electric capacity C6, positive pole
It is connected through the positive pole of electric capacity C8 with electric capacity C9, the emitter stage phase of one end of diode D3 and audion VT3
Even, the other end is connected through the negative pole of diode D4 with electric capacity C5；The primary coil of described transformator T3
Same Name of Ends is connected with the base stage of audion VT4, the non-same polarity of its secondary coil and the positive pole of electric capacity C8
It is connected；The Same Name of Ends of the primary coil of described transformator T2 is connected with the negative pole of electric capacity C6, its secondary line
The non-same polarity of circle is connected with the negative pole of electric capacity C9；The Same Name of Ends of the primary coil of transformator T2 and transformation
The non-same polarity of the primary coil of device T3 is connected, the non-same polarity of its secondary coil and the pair of transformator T3
The Same Name of Ends of sideline circle is connected；Meanwhile, the negative pole of described electric capacity C9 is connected with the negative pole of electric capacity C10, and two
The P pole of pole pipe D3 is extremely connected with the N of diode D5, the colelctor electrode of audion VT2 and audion VT3
Base stage be connected, the emitter stage of audion VT2 is connected with the colelctor electrode of audion VT3, diode D6's
P pole is connected with the junction point of resistance R12 and resistance R13, the N pole of diode D4 then with diode
The N pole of D2 is connected.The displacement signal of lever construction can be changed into the signal of telecommunication by this displacement detecting circuit,
By the amplification of this displacement detecting circuit, this signal of telecommunication is being amplified, so that the signal of telecommunication of output can be very
Good is identified, and then makes the detection of flow more accurate, improves the accuracy of Product checking and makes
Use effect.
Seamless circuit is by inductance L1, inductance L2, diode D10, diode D11, diode D12, two
Pole pipe D13, diode D14 form.Wherein, diode D10, inductance L1 and inductance L2 are sequentially connected in series,
Diode D11, diode D12 are in parallel with inductance L1 respectively, and diode D13, diode D14 are respectively
In parallel with inductance L2；Wherein, the P pole of diode D11 and diode D12 is both connected to diode D10
N extremely go up, the P pole of diode D13 and diode D14 is both connected to diode D11 and diode D12
N extremely go up, the P pole of diode D10 is connected to the P of diode D6 and extremely goes up.Seamless circuit is preferably protected
Demonstrate,prove the stable operation of circuit, it is ensured that the stable transmission of the signal of telecommunication.
The positive pole of the N pole of diode D13 and electric capacity C2 constitutes the outfan of whole displacement detecting amplifier.
In sum, the present invention just can well be realized.
Claims (5)
1. a water pump energy efficiency detection system, it is characterised in that main by microprocessor, with microprocessor phase
Connect A/D convertor circuit, and be connected with this A/D convertor circuit flow sensing circuit, Level Detection
Circuit and pressure detection circuit composition；Wherein, this flow sensing circuit is by lever construction, and one end is with to be measured
The measurement structure that water pump is connected, the other end is connected with lever construction, the displacement being connected with lever construction
Detection amplifier, and the electro-magnetic feedback structure group being connected with lever construction and displacement detecting amplifier respectively
Become；Described displacement detecting amplifier then by mu balanced circuit, the energy-saving circuit being connected with mu balanced circuit, with
The displacement detecting circuit that energy-saving circuit is connected, and the seamless circuit group being connected with this displacement detecting circuit
Become.
A kind of water pump energy efficiency detection system the most according to claim 1, it is characterised in that described voltage stabilizing
Circuit includes audion VT1, the transformator T1 being connected with external power source, with the outfan of transformator T1
The commutator U1 being connected, is serially connected in the electric capacity C1 of commutator U1 outfan, is serially connected in audion VT1
Diode D1 between emitter stage and base stage, and one end is connected with the emitter stage of audion VT1, another
The inductance L3 that end base stage with audion VT1 after electric capacity C2 is connected；The current collection of described audion VT1
Pole is connected with the positive pole of electric capacity C1, its base stage then negative pole with electric capacity C1 is connected.
A kind of water pump energy efficiency detection system the most according to claim 2, it is characterised in that described energy-conservation
Circuit by commutator U2, negative pole is connected with the cathode output end of commutator U2, positive pole after resistance R1 with
The electric capacity C3 that the positive pole of electric capacity C2 is connected, the resistance R2 in parallel with electric capacity C3, positive pole and commutator U2
The electricity that cathode output end is connected, negative pole cathode output end with commutator U2 after resistance R3 is connected
Hold C4, and one end is connected with the positive pole of electric capacity C4, the other end is sequentially through diode D2 and resistance R4
The resistance R5 composition that negative pole with electric capacity C4 is connected afterwards；The electrode input end of described commutator U2 and electricity
The positive pole holding C2 is connected, its negative input then negative pole with electric capacity C2 is connected.
A kind of water pump energy efficiency detection system the most according to claim 3, it is characterised in that described displacement
Testing circuit by transformator T2, transformator T3, audion VT2, audion VT3, audion VT4,
One end is connected with the emitter stage of audion VT2, the other end after resistance R13 with the current collection of audion VT2
The resistance R12 that pole is connected, one end is connected with the base stage of audion VT2, the other end is sequentially through resistance R10
Resistance R11, the P pole being connected with colelctor electrode with audion VT4 after electric capacity C9 and resistance R11 and resistance
The junction point of R10 is connected, N pole sequentially after diode D7, diode D8 and diode D9 with three poles
The diode D6 that the base stage of pipe VT2 is connected, positive pole is connected with the P pole of diode D6, negative pole and three
The electric capacity C10 that the base stage of pole pipe VT2 is connected, one end is connected with the base stage of audion VT4, the other end
The resistance R7 being sequentially connected through electric capacity C6 emitter stage with audion VT4 after electric capacity C5, one end with
The resistance that the base stage of audion VT4 is connected, the other end is connected through the emitter stage of resistance R6 with audion VT4
R8, one end and audion VT4, the other end are sequentially through resistance R9 and diode D5 and audion VT4's
The switch K1 that emitter stage is connected, negative pole is connected with the negative pole of electric capacity C6, positive pole is through electric capacity C8 and electric capacity C9
The electric capacity C7 that is connected of positive pole, and one end is connected with the emitter stage of audion VT3, the other end is through diode
The diode D3 composition that the negative pole of D4 and electric capacity C5 is connected；The primary coil of described transformator T3 of the same name
End is connected with the base stage of audion VT4, and the non-same polarity of its secondary coil is connected with the positive pole of electric capacity C8
Connect；The Same Name of Ends of the primary coil of described transformator T2 is connected with the negative pole of electric capacity C6, its secondary coil
Non-same polarity is connected with the negative pole of electric capacity C9；The Same Name of Ends of the primary coil of transformator T2 and transformator T3
The non-same polarity of primary coil be connected, the secondary coil of the non-same polarity of its secondary coil and transformator T3
Same Name of Ends be connected；Meanwhile, the negative pole of described electric capacity C9 is connected with the negative pole of electric capacity C10, diode
The P pole of D3 is extremely connected with the N of diode D5, the colelctor electrode of audion VT2 and the base of audion VT3
The most connected, the emitter stage of audion VT2 is connected with the colelctor electrode of audion VT3, the P pole of diode D6
Be connected with the junction point of resistance R12 and resistance R13, the N pole of diode D4 then with diode D2
N pole be connected.
A kind of water pump energy efficiency detection system the most according to claim 4, it is characterised in that described seamless
Circuit is by the diode D10 being sequentially connected in series, inductance L1 and inductance L2, two poles in parallel with inductance L1 respectively
Pipe D11, diode D12, and diode D13, diode D14 composition in parallel with inductance L2 respectively；
Wherein, the P pole of diode D11 and diode D12 is both connected to the N of diode D10 and extremely goes up, two poles
The P pole of pipe D13 and diode D14 is both connected to the N of diode D11 and diode D12 and extremely goes up, and two
The P pole of pole pipe D10 is connected to the P of diode D6 and extremely goes up.
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| CN201510200727.9A CN104763627B (en) | 2015-04-24 | 2015-04-24 | A kind of water pump energy efficiency detection system |
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| CN201510200727.9A CN104763627B (en) | 2015-04-24 | 2015-04-24 | A kind of water pump energy efficiency detection system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352833A (en) * | 2011-08-15 | 2012-02-15 | 浙江大学 | Bus-type intelligentized digitalizer for detecting performances of swimming pool water pump |
| CN203822602U (en) * | 2014-03-13 | 2014-09-10 | 安徽国防科技职业学院 | Reciprocation pump unit efficiency detection system |
| CN203925973U (en) * | 2014-04-25 | 2014-11-05 | 苏州市计量测试研究所 | Pump class efficiency detects evaluating system online |
| JP2014228016A (en) * | 2013-05-20 | 2014-12-08 | マルマテクニカ株式会社 | Hydraulic test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011008874A1 (en) * | 2009-07-15 | 2011-01-20 | Integrated Designs, L.P. | System and method for determining pump pressure based on motor current |
-
2015
- 2015-04-24 CN CN201510200727.9A patent/CN104763627B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352833A (en) * | 2011-08-15 | 2012-02-15 | 浙江大学 | Bus-type intelligentized digitalizer for detecting performances of swimming pool water pump |
| JP2014228016A (en) * | 2013-05-20 | 2014-12-08 | マルマテクニカ株式会社 | Hydraulic test device |
| CN203822602U (en) * | 2014-03-13 | 2014-09-10 | 安徽国防科技职业学院 | Reciprocation pump unit efficiency detection system |
| CN203925973U (en) * | 2014-04-25 | 2014-11-05 | 苏州市计量测试研究所 | Pump class efficiency detects evaluating system online |
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Address after: 610041, Sichuan, Chengdu hi tech Zone, China (Sichuan) free trade test zone, Chengdu hi tech Zone, Tianfu Road North Section 1700, building 1, unit 13, building 1315, No. 8 Patentee after: Sichuan Wanjiang konglee Water Company Limited Address before: 610000 Sichuan Province, Chengdu hi tech Zone Tianfu street, No. 2, building 12, layer 4, No. four Patentee before: Chengdu Hui Zhikong water Science and Technology Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Xin Inventor after: Zhi Guoliang Inventor after: Luo Xiang Inventor after: Li Bo Inventor before: He Xin Inventor before: Zhi Guoliang Inventor before: Li Zhongzhi Inventor before: Luo Xiang Inventor before: Li Bo |