CN103557910A - Intelligent water meter automatic detection device and method - Google Patents

Intelligent water meter automatic detection device and method Download PDF

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Publication number
CN103557910A
CN103557910A CN201310511081.7A CN201310511081A CN103557910A CN 103557910 A CN103557910 A CN 103557910A CN 201310511081 A CN201310511081 A CN 201310511081A CN 103557910 A CN103557910 A CN 103557910A
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China
Prior art keywords
circuit
valve
water meter
test
electric current
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CN201310511081.7A
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Inventor
费战波
刘胜利
董意德
杨昆峰
王海港
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SUNTRONT TECHNOLOGY Co Ltd
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SUNTRONT TECHNOLOGY Co Ltd
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Priority to CN201310511081.7A priority Critical patent/CN103557910A/en
Publication of CN103557910A publication Critical patent/CN103557910A/en
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Abstract

The invention discloses an intelligent water meter automatic detection device and method. The device comprises a cabinet and a surface board, the surface board is arranged on the cabinet and provided with a plurality of testing stations, every station is provided with a circuit board which is provided with a display, an LED (light emitting diode) indicator light, a tool coil, an electric magnet, a radio frequency card and connecting terminals. The method comprises the steps of voltage self-detection, fixture detection, power on current detection, power consumption detection, valve closing testing, card reading testing, valve opening testing, sampling test, low-temperature valve closing testing, loop detection and meter off detection. The intelligent water meter automatic detection device and method can effectively and reliably detect the performance of the circuit board of a water meter, all the detection steps can be performed automatically, so that manpower resources can be saved and the efficiency is improved.

Description

Intellectual water meter automatic detection device and detection method
Technical field
The present invention relates to a kind of pick-up unit and detection method, specifically relate to a kind of intellectual water meter automatic detection device and detection method.
Background technology
Along with the development of electronic technology, the integrated degree of electronic product is more and more higher, and operation is more and more, and manufacturing process becomes increasingly complex, and will produce the defect of hiding like this in manufacture process.To a good product, not only requiring has higher performance index, also will have higher stability.At present, generally adopt intelligent detection device to improve the reliability and stability of electronic product both at home and abroad, the product that assurance is dispatched from the factory is stood the check of time.Intellectual water meter pick-up unit can be checked the performance quality of water meter product, prevents underproof water meter product introduction market.But in the prior art, intellectual water meter product need to be distributed in check point in the different links of streamline according to Detection of content difference, needs more checkout equipment and personnel, and test process needs the long period to wait for simultaneously, lost labor's resource, production efficiency is low.
Summary of the invention
The object of the invention is to overcome existing intellectual water meter in process of production detection disperse, waste resource and manpower, problem that production efficiency is low, designed intellectual water meter automatic detection device and detection method.
Object of the present invention is achieved through the following technical solutions:
Intellectual water meter automatic detection device, comprise cabinet, panel, it is characterized in that: on cabinet, be provided with panel, on panel, be provided with a plurality of test station, a circuit board is set on each station, on circuit board, is provided with display screen, LED light, frock coil, electromagnet, radio-frequency card, connection terminal.The overlapping arrangement from inside to outside of described frock coil, electromagnet, radio-frequency card; Described intellectual water meter automatic detection device adopts the alternating current 220V power supply of isolation, by M-BUS interface and keypad, carries out data communication, by connection terminal, is connected with tested water meter.
Further, the hardware circuit of described intellectual water meter automatic detection device comprises microprocessor, power circuit, read-write card circuit, M-BUS circuit, valve state testing circuit, impulse sampling circuit, trigger winding circuit, voltage follower circuit, current measurement circuit, display circuit.Described power circuit is given whole circuit supply; Described read-write card circuit is connected respectively with micro processor leg P1.3, P1.4, P3.1 by port PWM, RFDATA, XQConter; Described M-BUS circuit is connected with microprocessor by semi-duplex serial port mode; Described valve state testing circuit is connected respectively with micro processor leg P2.5, P2.6 by port FMON, FMOFF; Described impulse sampling circuit is connected respectively with extended serial port TXD1, RXD1 with micro processor leg P5.6, P5.7 by port TXS1, TXS2, S1, S2, GNDmeter; Described trigger winding circuit is connected with micro processor leg P1.0 by port JDQKZ; Described voltage follower circuit is connected respectively with micro processor leg P6.2, P6.6 by port VREST, DAOUT; Described current measurement circuit is connected respectively with micro processor leg P6.3, P6.4, P6.5 by port ITEST0, ITEST1, ITEST2; Described display circuit comprises liquid crystal display display circuit and LED light display circuit, liquid crystal display display circuit adopts parallel join mode, LCD-RST, LCD-CS, data/command port, write port, read port are connected respectively with the pin P5.0-P5.4 of microprocessor, LCD-D7-LCD-D0 port is connected respectively with the pin P4.0-P4.7 of microprocessor, LCD-BK port is connected with micro processor leg P3.3, and LED light display circuit is connected respectively with micro processor leg P3.0, P3.2 by port LED1, LED2.
Further, the model of described microprocessor is the MSP430F2618 of 16.
Intellectual water meter automated detection method, is characterized in that comprising the following steps:
The first step: voltage self check, after agingtable initialization, export 3.6V voltage, actual output voltage and theoretical output voltage difference range are ± 0.1V that self check is qualified;
Second step: 3.6V tong-test ammeter detects, and at interval of 500ms once sampling electric current, is 0uA if sample current value, there is no tong-test ammeter; If current value within the electric current normal range 1-8mA that powers on, starts to carry out the current sample that 20 cycles are 50ms, the number of times that electric current samples within the scope of 1-10mA is no less than 15 times, and tong-test ammeter is normal;
The 3rd step: the 3.6V current detecting that powers on, records electric current qualified within the scope of 1-8mA;
The 4th step: 3.6V consumption detection, records quiescent dissipation electric current qualified within the scope of 3-20uA;
The 5th step: 3.6V is clear without electricity;
The 6th step: 3.6V closes valve test, carry out the valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to close valve detects, if effectively close valve, detect and to be no less than 2 times, close valve normal;
The 7th step: 3.6V Card Reader test, agingtable is to checking that writing surplus in card is 21845, then reads and check surplus in card, if the surplus data that read are not 21845, and Card Reader electric current within the scope of 1-8mA, water meter Card Reader is normal;
The 8th step: 3.6V opens valve test, to carry out 5 cycles be 2s opens valve state-detection, when the level that valve line two ends detected is consistent with positive normally open valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to open valve detects, if effectively open valve detection, be no less than 3 times, drive valve normal;
The 9th step: the 3.6V test of sampling, before detecting the output sampling pulse that agingtable reads and check after output sampling pulse whether card surplus difference is 1, and if it is sampling is normal;
The tenth step: 1.9V low pressure is closed valve test, adjust voltage and carry out to 1.9V the close valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 20-35mA, thinking once effectively to close valve detects, if detect, effectively close valve number of times and be no less than 2 times, low pressure pass valve is normal;
The 11 step: 2.5V is clear without electricity;
The 12 step: 2.5V closes valve test, closes valve electric current within the scope of 25-50mA;
The 13 step: the test of 2.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 14 step: 2.5V opens valve test, opens valve electric current within the scope of 25-50mA;
The 15 step: the 2.5V test of sampling;
The 16 step: the test of 4.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 17 step: 4.5V opens valve test, opens valve electric current within the scope of 45-70mA;
The 18 step: the 4.5V test of sampling;
The 19 step: cycle detection, the first round has been detected rear qualified, if now there is no following table, automatically starts the detection of a new round, circulates until following table detected with this;
The 20 step: following table detects, judgement water meter circuit board electric current, if be greater than 0uA, do not have following table and closes Voltage-output, take that this circulates until detect electric current as 0uA, thinks following table.
Beneficial effect of the present invention: intellectual water meter automatic detection device of the present invention and detection method can detect the performance of water meter circuit board efficiently, reliably, all detecting steps are realized automatic test, direct labor only need check when tong-test ammeter that whether water meter liquid crystal is entirely aobvious, during following table, check whether green indicating lamp is lighted, come decision circuitry plate whether qualified, saved human cost, raised the efficiency, create beneficial result.
Accompanying drawing explanation
Fig. 1 is the planimetric map of intellectual water meter automatic detection device of the present invention.
Fig. 2 is the hardware block diagram of intellectual water meter automatic detection device of the present invention.
Fig. 3 is the FB(flow block) of intellectual water meter automated detection method of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing explanation, technical scheme of the present invention is described in further detail.
As shown in Figure 1, intellectual water meter automatic detection device of the present invention, comprise cabinet 8 and panel 5, wherein, on cabinet 8, be provided with panel 5, on panel 5, be provided with a plurality of test station, a circuit board is set on each station, on circuit board, be provided with display screen 1, LED light 6, electromagnet 2, frock coil 3, radio-frequency card 4, connection terminal 7; Described intellectual water meter automatic detection device adopts the alternating current 220V power supply of isolation, and the Voltage-output of 1.9V, 2.5V, 3.6V, 4.5V is provided to water meter circuit board by power line terminal 7; Described intellectual water meter automatic detection device carries out data communication by M-BUS interface and keypad, is mainly used in changing the model that detects dash board; Described intellectual water meter automatic detection device is connected with sample line, power lead, the valve line of tested water meter by connection terminal 7, realizes voltage self check, tong-test ammeter detection, the current detecting that powers on, consumption detection, pass valve test, Card Reader test, opens the functions such as valve test, sampling test, low pressure pass valve test, cycle detection, following table detection; The mode that described intellectual water meter automatic detection device employing LCD160*160 type dot matrix liquid crystal display 1 coordinates with red green pilot lamp 6 is as the display section of system, and this display mode can demonstrate the status information of water meter circuit board in testing process intuitively.
As shown in Figure 2, the hardware circuit of described intellectual water meter automatic detection device comprises microprocessor, power circuit, read-write card circuit, M-BUS circuit, valve state testing circuit, impulse sampling circuit, trigger winding circuit, voltage follower circuit, current measurement circuit, display circuit.The model of described microprocessor is the MSP430F2618 of 16, has two serial ports, with 12 ADC and 12 DAC in sheet to meet the needs of product analog to digital conversion and digital-to-analog conversion; Described power circuit adopts isolation alternating current 220V, after step-down, rectification, exporting 17V direct current is system power supply, LM7812 output 12V is system power supply, provide-12V of MC33063 output, provide+3.3V of LM2575-3.3 voltage, just ,-12V voltage is used for as OP07 provides generating positive and negative voltage ,+12V is trigger winding power supply, 3.3V is microprocessor power supply; Described read-write card circuit is connected respectively with micro processor leg P1.3, P1.4, P3.1 by port PWM, RFDATA, XQConter, can be to checking that sticking into row data writes and read; Described M-BUS circuit is connected with microprocessor by semi-duplex serial port mode; Described valve state testing circuit is connected respectively with micro processor leg P2.5, P2.6 by port FMON, FMOFF, when valve event, can read the level at valve line two ends from FMON and two ports of FMOFF; Described impulse sampling circuit is connected respectively with extended serial port TXD1, RXD1 with micro processor leg P5.6, P5.7 by port TXS1, TXS2, S1, S2, GNDmeter, by optocoupler, provide sampling pulse for tested water meter, make-and-break time was determined according to dutycycle and the sampling period of water meter circuit board sampled signal; Described trigger winding circuit is connected with micro processor leg P1.0 by port JDQKZ, utilize the magnetic effect of coil to trigger tongue tube adhesive to trigger winding energising generation magnetic field, thereby trigger tested water meter Card Reader, hardware aspect is by triode control coil power on/off; Described voltage follower circuit is connected respectively with micro processor leg P6.2, P6.6 by port VREST, DAOUT, 12 DAC of microprocessor internal produce voltage signal, heel operational amplifier, output band power amplifier, output stage is by the inner ADC of follower input processor after electric resistance partial pressure, exportable 1.9V, 2.5V, 3.6V, 4.5V, provide the electric current of maximum 500mA; Described current measurement circuit is connected respectively with micro processor leg P6.3, P6.4, P6.5 by port ITEST0, ITEST1, ITEST2, adopt the static current of lcd of precision resistance sampling institute slowdown monitoring circuit plate, after by OP07, sample rate current being amplified, send into 12 AD of processor; Described display circuit comprises liquid crystal display display circuit and LED light display circuit, liquid crystal display display circuit adopts parallel join mode, LCD-RST, LCD-CS, data/command port, write port, read port are connected respectively with the pin P5.0-P5.4 of microprocessor, LCD-D7-LCD-D0 port is connected respectively with the pin P4.0-P4.7 of microprocessor, LCD-BK port is connected with micro processor leg P3.3, and LED light display circuit is connected respectively with micro processor leg P3.0, P3.2 by port LED1, LED2.
As shown in Figure 3, intellectual water meter automated detection method of the present invention is as follows:
The first step: voltage self check, after agingtable initialization, export 3.6V voltage, actual output voltage and theoretical output voltage difference range are ± 0.1V that self check is qualified;
Second step: 3.6V tong-test ammeter detects, and at interval of 500ms once sampling electric current, is 0uA if sample current value, there is no tong-test ammeter; If current value within the electric current normal range 1-8mA that powers on, starts to carry out the current sample that 20 cycles are 50ms, the number of times that electric current samples within the scope of 1-10mA is no less than 15 times, and tong-test ammeter is normal;
The 3rd step: the 3.6V current detecting that powers on, records electric current qualified within the scope of 1-8mA;
The 4th step: 3.6V consumption detection, records quiescent dissipation electric current qualified within the scope of 3-20uA;
The 5th step: 3.6V is clear without electricity;
The 6th step: 3.6V closes valve test, carry out the valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to close valve detects, if effectively close valve, detect and to be no less than 2 times, close valve normal;
The 7th step: 3.6V Card Reader test, agingtable is to checking that writing surplus in card is 21845, then reads and check surplus in card, if the surplus data that read are not 21845, and Card Reader electric current within the scope of 1-8mA, water meter Card Reader is normal;
The 8th step: 3.6V opens valve test, to carry out 5 cycles be 2s opens valve state-detection, when the level that valve line two ends detected is consistent with positive normally open valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to open valve detects, if effectively open valve detection, be no less than 3 times, drive valve normal;
The 9th step: the 3.6V test of sampling, before detecting the output sampling pulse that agingtable reads and check after output sampling pulse whether card surplus difference is 1, and if it is sampling is normal;
The tenth step: 1.9V low pressure is closed valve test, adjust voltage and carry out to 1.9V the close valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 20-35mA, thinking once effectively to close valve detects, if detect, effectively close valve number of times and be no less than 2 times, low pressure pass valve is normal;
The 11 step: 2.5V is clear without electricity;
The 12 step: 2.5V closes valve test, closes valve electric current within the scope of 25-50mA;
The 13 step: the test of 2.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 14 step: 2.5V opens valve test, opens valve electric current within the scope of 25-50mA;
The 15 step: the 2.5V test of sampling;
The 16 step: the test of 4.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 17 step: 4.5V opens valve test, opens valve electric current within the scope of 45-70mA;
The 18 step: the 4.5V test of sampling;
The 19 step: cycle detection, the first round has been detected rear qualified, if now there is no following table, automatically starts the detection of a new round, circulates until following table detected with this;
The 20 step: following table detects, judgement water meter circuit board electric current, if be greater than 0uA, do not have following table and closes Voltage-output, take that this circulates until detect electric current as 0uA, thinks following table; Having in addition reports to the police processes and sampling processing function.
Described intellectual water meter automatic detection device liquid crystal display in testing process shows below:
(1) time that voltage, electric current, the water meter circuit board of fixing demonstration output have detected;
(2) while waiting for tong-test ammeter, show " not tong-test ammeter ";
In process, show " just at XX, testing ... " when (3) normal inspection is shown
(4) voltage, electric current and fault item during display alarm during alarm condition;
(5) while powering on current anomaly, show " current anomaly powers on ";
(6) when quiescent current is abnormal, show " quiescent current is abnormal ";
(7) while closing valve fault, show " closing valve fault ";
(8) while opening valve fault, show " opening valve fault ";
(9) show " Card Reader fault " during Card Reader fault;
(10) while sampling fault, show " sampling fault ";
(11) when low pressure is closed valve fault, show " low pressure is closed valve fault ";
(12) show " frock Card Reader fault " during frock Card Reader fault;
(13) show " Voltage-output fault " during Voltage-output fault.
Described intellectual water meter automatic detection device LED light in testing process shows below:
(1) normally detect and when qualified, green light, red light goes out;
(2) when red during fault alarm, green light goes out.

Claims (4)

1. intellectual water meter automatic detection device, comprise cabinet, panel, it is characterized in that: on cabinet, be provided with panel, on panel, be provided with a plurality of test station, a circuit board is set on each station, on circuit board, is provided with display screen, LED light, frock coil, electromagnet, radio-frequency card, connection terminal.The overlapping arrangement from inside to outside of described frock coil, electromagnet, radio-frequency card; Described intellectual water meter automatic detection device adopts the alternating current 220V power supply of isolation, by M-BUS interface and keypad, carries out data communication, by connection terminal, is connected with tested water meter.
2. intellectual water meter automatic detection device according to claim 1, is characterized in that: the hardware circuit of described intellectual water meter automatic detection device comprises microprocessor, power circuit, read-write card circuit, M-BUS circuit, valve state testing circuit, impulse sampling circuit, trigger winding circuit, voltage follower circuit, current measurement circuit, display circuit.Described power circuit is given whole circuit supply; Described read-write card circuit is connected respectively with micro processor leg P1.3, P1.4, P3.1 by port PWM, RFDATA, XQConter; Described M-BUS circuit is connected with microprocessor by semi-duplex serial port mode; Described valve state testing circuit is connected respectively with micro processor leg P2.5, P2.6 by port FMON, FMOFF; Described impulse sampling circuit is connected respectively with extended serial port TXD1, RXD1 with micro processor leg P5.6, P5.7 by port TXS1, TXS2, S1, S2, GNDmeter; Described trigger winding circuit is connected with micro processor leg P1.0 by port JDQKZ; Described voltage follower circuit is connected respectively with micro processor leg P6.2, P6.6 by port VREST, DAOUT; Described current measurement circuit is connected respectively with micro processor leg P6.3, P6.4, P6.5 by port ITEST0, ITEST1, ITEST2; Described display circuit comprises liquid crystal display display circuit and LED light display circuit, liquid crystal display display circuit adopts parallel join mode, LCD-RST, LCD-CS, data/command port, write port, read port are connected respectively with the pin P5.0-P5.4 of microprocessor, LCD-D7-LCD-D0 port is connected respectively with the pin P4.0-P4.7 of microprocessor, LCD-BK port is connected with micro processor leg P3.3, and LED light display circuit is connected respectively with micro processor leg P3.0, P3.2 by port LED1, LED2.
3. according to claim 1 and intellectual water meter automatic detection device claimed in claim 2, it is characterized in that: the model of described microprocessor is the MSP430F2618 of 16.
4. intellectual water meter automated detection method, is characterized in that comprising the following steps:
The first step: voltage self check, after agingtable initialization, export 3.6V voltage, actual output voltage and theoretical output voltage difference range are ± 0.1V that self check is qualified;
Second step: 3.6V tong-test ammeter detects, and at interval of 500ms once sampling electric current, is 0uA if sample current value, there is no tong-test ammeter; If current value within the electric current normal range 1-8mA that powers on, starts to carry out the current sample that 20 cycles are 50ms, the number of times that electric current samples within the scope of 1-10mA is no less than 15 times, and tong-test ammeter is normal;
The 3rd step: the 3.6V current detecting that powers on, records electric current qualified within the scope of 1-8mA;
The 4th step: 3.6V consumption detection, records quiescent dissipation electric current qualified within the scope of 3-20uA;
The 5th step: 3.6V is clear without electricity;
The 6th step: 3.6V closes valve test, carry out the valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to close valve detects, if effectively close valve, detect and to be no less than 2 times, close valve normal;
The 7th step: 3.6V Card Reader test, agingtable is to checking that writing surplus in card is 21845, then reads and check surplus in card, if the surplus data that read are not 21845, and Card Reader electric current within the scope of 1-8mA, water meter Card Reader is normal;
The 8th step: 3.6V opens valve test, to carry out 5 cycles be 2s opens valve state-detection, when the level that valve line two ends detected is consistent with positive normally open valve level and water meter circuit board electric current within the scope of 40-60mA, thinking once effectively to open valve detects, if effectively open valve detection, be no less than 3 times, drive valve normal;
The 9th step: the 3.6V test of sampling, before detecting the output sampling pulse that agingtable reads and check after output sampling pulse whether card surplus difference is 1, and if it is sampling is normal;
The tenth step: 1.9V low pressure is closed valve test, adjust voltage and carry out to 1.9V the close valve state detection that 5 times the cycle is 2s, when the level that valve line two ends detected is consistent with positive normal close valve level and water meter circuit board electric current within the scope of 20-35mA, thinking once effectively to close valve detects, if detect, effectively close valve number of times and be no less than 2 times, low pressure pass valve is normal;
The 11 step: 2.5V is clear without electricity;
The 12 step: 2.5V closes valve test, closes valve electric current within the scope of 25-50mA;
The 13 step: the test of 2.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 14 step: 2.5V opens valve test, opens valve electric current within the scope of 25-50mA;
The 15 step: the 2.5V test of sampling;
The 16 step: the test of 4.5V Card Reader, Card Reader electric current is within the scope of 1-8mA;
The 17 step: 4.5V opens valve test, opens valve electric current within the scope of 45-70mA;
The 18 step: the 4.5V test of sampling;
The 19 step: cycle detection, the first round has been detected rear qualified, if now there is no following table, automatically starts the detection of a new round, circulates until following table detected with this;
The 20 step: following table detects, judgement water meter circuit board electric current, if be greater than 0uA, do not have following table and closes Voltage-output, take that this circulates until detect electric current as 0uA, thinks following table.
CN201310511081.7A 2013-10-26 2013-10-26 Intelligent water meter automatic detection device and method Pending CN103557910A (en)

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CN106441517A (en) * 2016-08-15 2017-02-22 安徽翼迈科技股份有限公司 Water-meter aging testing frame
CN108646122A (en) * 2018-07-25 2018-10-12 苏州润桐专利运营有限公司 A kind of charger charging head test method
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CN112305397A (en) * 2019-07-29 2021-02-02 上海肯特仪表股份有限公司 Automatic detection device for wireless meter

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CN106197621A (en) * 2016-07-19 2016-12-07 天津市炳华节能技术有限公司 A kind of remote transmitting water meter quickly detects line
CN106052813A (en) * 2016-08-15 2016-10-26 安徽翼迈科技股份有限公司 Watermeter calibration testing equipment
CN106441517A (en) * 2016-08-15 2017-02-22 安徽翼迈科技股份有限公司 Water-meter aging testing frame
CN106238346A (en) * 2016-09-27 2016-12-21 丹东科泰仪器仪表有限公司 A kind of device for detecting gas meter or water meter and using method thereof
CN106238346B (en) * 2016-09-27 2018-06-05 周杰 The device and its application method of gas meter or water meter are detected using robot
CN108646122A (en) * 2018-07-25 2018-10-12 苏州润桐专利运营有限公司 A kind of charger charging head test method
CN112305397A (en) * 2019-07-29 2021-02-02 上海肯特仪表股份有限公司 Automatic detection device for wireless meter
CN111879380A (en) * 2020-08-03 2020-11-03 邵东智能制造技术研究院有限公司 Water meter detection device and method

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Application publication date: 20140205