CN2539154Y - Large flow water-meter controller of code exchange water repayment data - Google Patents
Large flow water-meter controller of code exchange water repayment data Download PDFInfo
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- CN2539154Y CN2539154Y CN 02233411 CN02233411U CN2539154Y CN 2539154 Y CN2539154 Y CN 2539154Y CN 02233411 CN02233411 CN 02233411 CN 02233411 U CN02233411 U CN 02233411U CN 2539154 Y CN2539154 Y CN 2539154Y
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Abstract
The utility model relates to a large flow water meter control device with a code exchange data of pre-payment water fee, comprising a signal acquisition circuit, an input device, a central processing unit, with which a memory is connected, a drive circuit and a display unit; the utility model is characterized in that the signal acquisition circuit is connected with the central processing unit, which is connected with the drive circuit. The input device is connected with the central processing unit, with which the display unit is connected; the signal acquisition circuit is provided with a dry reed switch as the acquisition unit, and the output of the dry reed switch is connected with the signal acquisition circuit; in addition, the control device also comprises a preventative dithering circuit and a power circuit of the control device; the preventative dithering circuit is connected with the dry reed switch in parallel. The console of the power circuit of the control device simultaneously keeps the signal with the power of the central processing unit and is connected with the output end of the signal acquisition circuit; the input of the power circuit of the control device is the power supply, and the output is the working power supply of the control device. The utility model has the advantages of increasing the accuracy and the reliability of the counting of the control device, adopting the periodic working mode and saving the electric energy.
Description
Technical field:
The utility model relates to the big flow water meter control device that a kind of code exchanges advance water rate data, is meant a kind of based on utilizing code to exchange the big flow water supply control apparatus of advance water rate data especially.
Background technology:
At present, most of tap water users' charge method still is manual charge method basically, the common process of this charge method is: at first, property personnel must register one's residence and check meter, open the document of paying dues according to the current number of walking to represent then, remove to pay water rate, time and effort consuming to bank or other departments of paying dues voluntarily by the user; Simultaneously, as user when especially water rate is in arrears with by unit, the property management personnel can only remove manual-lock total lock that supplies water, and can't in time He effectively control and manage water resource.In addition, the mechanical type water meter also exists counting out of true, easy major defect such as disturbed, and also can cause when serious the dispute of both sides of supply and demand influences social stability.
Along with developing rapidly of electronic technology, the IC-card technology is applied to more and more such as among the field that collects charges for electricity in advance.But find through practice for many years: the data security confidentiality of existing IC-card prepaid device is lower, and is decrypted easily; Simultaneously, because the bayonet socket pollution problem that can't solve the IC-card water meter can't used aspect water meter charging and the control; And the IC-card water meter generally is applied to resident resident family, and is not suitable for the by-pass valve control in large flow pipe road; In addition, the IC-card device does not still solve the user and must be in person pays dues to the bank of supply department's appointment or other paying spots and write the problem of card.
In order to solve the problem that prior art cann't be solved, industry is developed the big flow water meter control device that a kind of code exchanges advance water rate data, this control device and measuring apparatus are installed on user's the water supply line together, purchase the water number certificate by the keyboard input, and by the microswitch input counting pulse signal that is installed on the measuring apparatus, its counting pulse signal is used for accumulative total user's water consumption, in case this aggregate-value has reached user's pairing numerical value of paying dues in advance, and when the user did not also import new purchase code, this control device then cut out water supply valve automatically.
When the user has the water meter of this control device in use, can pre-pay water rate by multiple forms of paying dues such as online payments, and after will paying dues, the code that charge department is provided is input in this control device, realize that water rate supplements with money, thereby pay dues easily, water; And administration departments has also saved on-the-spot the loaded down with trivial details of charging and switching control pilot door of checking meter.And this control device has overcome the unvanquishable many defectives of IC-card device.
But this control device still exists following problem:
1, because this control device relies on the microswitch input counting pulse signal that is installed on the dial plate, if microswitch is malfunctioning or be damaged, then this device just can't be closed water supply valve.
2, this control device is in the state of working on power all the time, and both consume electric power can make the electron device of control device be easy to wear out again, and reliability reduces, and shorten serviceable life.
Summary of the invention:
Fundamental purpose of the present utility model is to provide a kind of code to exchange the big flow water meter control device of advance water rate data, and it adopts counting circuit more reliably, to improve the accuracy and the reliability of control device counting.
Another purpose of the present utility model is to provide a kind of code to exchange the big flow water meter control device of advance water rate data, this device is only just opened working power when count signal is imported, count processing, in case dispose, powered-down voluntarily then, saves energy.
Another purpose of the present utility model is to provide a kind of code to exchange the big flow water meter control device of advance water rate data, and this device has defencive function, but when this control device is interfered or improper operating position occurs automatic-closing valve.
The purpose of this utility model is achieved in that
A kind of code exchanges the big flow water meter control device of advance water rate data, at least comprise: the signal acquisition circuit that is used to import count signal, be used to import the input media of pre-paying the water rate code, be used to handle the central processing unit and the connected storer of count signal and input data, be used to operate the water source valve driving circuit, be used to show the display unit of input data and pre-paying remaining sum; The output of this signal acquisition circuit is connected to the acquired signal input end of central processing unit; The control signal of this central processing unit output is connected to the control end of driving circuit, and this input media is connected to the IO interface of central processing unit, and this display unit is connected to the video data output terminal of central processing unit; The collecting unit of this signal acquisition circuit is the control end of switching tube that its output of tongue tube is connected to signal acquisition circuit; And this control device also comprises: the preventing jittering circuit that is used to prevent the input of malfunction signal; The control device circuit that powers on; This preventing jittering circuit is in parallel with tongue tube, this control device power on circuit control end simultaneously with the power on holding signal and the signal acquisition circuit of central processing unit output terminal be connected; The power on power supply that is input as of circuit of control device, it is output as the working power of this control device.
This control device is provided with two signal acquisition circuits, and its output terminal is connected respectively to the corresponding with it signal input part of central processing unit, and is connected to the power on control end of circuit of control device simultaneously.
This control device also comprises low-voltage testing circuit, and it imports power supply, and output is connected to the voltage detection signal input end of central processing unit.
This control device also is provided with holding circuit, and the control end of two saturated switches of this holding circuit is cross connected to the output terminal of the other side's signal acquisition circuit separately.
This control device also comprises the valve testing circuit that puts in place, the valve that this detection signal that puts in place the is connected to central processing unit signal input part that puts in place.
This detection signal that puts in place comprises that at least valve reaches a signal and valve closes the signal that puts in place.
Described control device also is provided with booster circuit, and the control end of this booster circuit is connected with the boost drive signals of central processing unit, and its output is connected to driving circuit.
Described to be used to import the input media of pre-paying the water rate code be input keyboard, the parallel input/output port line that is connected to central processing unit of its key assignments output signal.
Described storer passes through I
2The C bus is connected to central processing unit.
The described control device circuit that powers on is provided with a gauge tap and a power switch at least, and the control signal end of this gauge tap is the power on control end of circuit of this control device, and its output terminal is the control signal end of power switch; The major loop of this power switch is input as power supply, and it is output as the working power of this control device.
Described control device also is provided with the start-up circuit that comprises hand switch, and this hand switch is connected with the control end of power switch.
Described driving circuit is provided with the moving circuit and of a unlatching driving and cuts out the moving circuit of driving; Wherein, the input control end of opening driving circuit is connected to the unlatching control signal of central processing unit, and the input control end of closing driving circuit is connected to the closing control signal of central processing unit.
The utlity model has following advantage:
1) counting accurately, the utility model has been removed jitter phenomenon by the count signal of tongue tube input by the time-lag action of preventing jittering circuit, has guaranteed the accuracy and the reliability of device counting;
2) signal acquisition circuit of the present utility model cooperates electrifying control circuit, has guaranteed only just central processing unit and display unit to be powered when sampled signal is imported, and has saved electric energy;
3) the utility model is by the setting of double dry-reed pipe, but effectively avoided the disturbing factor of counting and automatic-closing valve when this control device is interfered or improper operating position occurs.
Description of drawings:
Fig. 1 is an electrical principle block diagram of the present utility model;
Fig. 2 is the electrical schematic diagram of an embodiment of the present utility model;
Embodiment:
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further and to be described in detail:
As shown in Figure 1, a kind of code exchanges the big flow water meter control device of advance water rate data, at least comprise: the signal acquisition circuit that is used to import count signal, be used to import the input media of pre-paying the water rate code, be used to handle the central processing unit and the connected storer of count signal and input data, be used for the operating electrical machines valve driving circuit, be used to show the display unit of input data and pre-paying remaining sum; The output of this signal acquisition circuit is connected to the acquired signal input end of central processing unit; The control signal of this central processing unit output is connected to the control end of driving circuit, and this input media is connected to the IO interface of central processing unit, and this display unit is connected to the video data output terminal of central processing unit; The collecting unit of this signal acquisition circuit is the control end of switching tube that its output of tongue tube is connected to signal acquisition circuit; And this control device also comprises: the preventing jittering circuit that is used to prevent the input of malfunction signal; The control device circuit that powers on; This preventing jittering circuit is in parallel with tongue tube, this control device power on circuit control end simultaneously with the power on holding signal and the signal acquisition circuit of central processing unit output terminal be connected; The power on power supply that is input as of circuit of control device, it is output as the working power of this control device.
This control device is provided with two signal acquisition circuits, and its output terminal is connected respectively to the corresponding with it signal input part of central processing unit, and is connected to the power on control end of circuit of control device simultaneously.
This control device also comprises low-voltage testing circuit, and it imports power supply, and output is connected to the voltage detection signal input end of central processing unit.
This control device also is provided with holding circuit, and the control end of two saturated switches of this holding circuit is cross connected to the output terminal of the other side's signal acquisition circuit separately.
This control device also comprises the valve testing circuit that puts in place, the valve that this detection signal that puts in place the is connected to central processing unit signal input part that puts in place.
This detection signal that puts in place comprises that at least electric machine valve reaches a signal and the pass signal that puts in place.
Described control device also is provided with booster circuit, and the control end of this booster circuit is connected with the boost drive signals of central processing unit, and its output is connected to driving circuit.
Described to be used to import the input media of pre-paying the water rate code be input keyboard, the parallel input/output port line that is connected to central processing unit of its key assignments output signal.
Described storer passes through I
2The C bus is connected to central processing unit.
The described control device circuit that powers on is provided with a gauge tap and a power switch at least, and the control signal end of this gauge tap is the power on control end of circuit of this control device, and its output terminal is the control signal end of power switch; The major loop of this power switch is input as power supply, and it is output as the working power of this control device.
Described control device also is provided with the start-up circuit that comprises hand switch, and this hand switch is connected with the control end of power switch.
Described driving circuit is provided with the moving circuit and of a unlatching driving and cuts out the moving circuit of driving; Wherein, the input control end of opening driving circuit is connected to the unlatching control signal of central processing unit, and the input control end of closing driving circuit is connected to the closing control signal of central processing unit.
Referring to Fig. 2, of the present utility model one buys Shi Lizhong, one route tongue tube SP1 of signal acquisition circuit, resistance R 37, capacitor C 11, resistance R 35 and triode T15 constitute, tongue tube SP1 one termination power BAT, when it is subjected to the external magnetic field effect to produce switch motion, produces pulse signal and pass through triode T15 output.This output signal is divided into two-way, and one the tunnel is connected to the base stage of triode T2 through capacitor C 5, diode D1, controls the switching of this triode T2; Another road is connected to the collector of triode T9 through resistance R 22, and this triode T9 will be linked into the input end IN1 of this central processing unit IC1 by the pulse signal that this tongue tube SP1 is produced by the enabling signal START control on-off of central processing unit IC1 output.
Equally, another route tongue tube SP2 of signal acquisition circuit, resistance R 38, capacitor C 12, resistance R 36 and triode T16 constitute, tongue tube SP2 one termination power BAT when it is subjected to the external magnetic field effect to produce switch motion, produces pulse signal and passes through triode T16 output.This output signal is divided into two-way, and one the tunnel is connected to the base stage of triode T2 through capacitor C 7, diode D2, controls the switching of this triode T2; Another road is connected to the collector of triode T10 through resistance R 24, this triode T10 will be linked into the input end IN2 of this central processing unit IC1 by the pulse signal that this tongue tube SP2 is produced by the enabling signal START control on-off of central processing unit IC1 output.
The collector of this triode T2 is connected to the base stage of triode T1 through a resistance R 3, controls the conducting of this triode T1; The on-off of this triode T1 is then correspondingly controlled the access of power supply BAT, forms the control device circuit that powers on thus.In addition, the base stage of this triode T2 also is connected to the enabling signal START of central processing unit IC1 output by resistance R 2, and the effect of this signal is the conducting of control triode T2 equally; Base stage at triode T1 also is connected with a keyboard button QD, and this keyboard button QD controls the conducting of triode T1 equally.When importing by the switching signal of tongue tube SP1 or SP2, the conducting of this triode T2, further make also conducting of triode T2, the The whole control device obtains power supply, central processing unit IC1 exports the holding signal that powers on/counting acquired signal START control triode T9, T10 conducting, the switching signal that input is imported by tongue tube SP1 or SP2, and handle accordingly; This holding signal that powers on/counting acquired signal START control triode T2 conducting makes triode T1 also keep conducting simultaneously, and this control device obtains power supply always.When this central processing unit IC1 finishes after inferior metering, control operation, electric holding signal/counting acquired signal START is changed to low level, and triode T2 ends, and therefore triode T1 also ends, make The whole control device dead electricity, this central processing unit IC1 quits work; Realized the low-power consumption of this control device thus.
Display unit IC3 is connected with central processing unit IC1 by signal wire DATA, WR, shows the information that central processing unit IC1 sends.
Resistance R 1, R13 and triode V2 constitute voltage detecting circuit, when the voltage of working power VCC is lower than setting voltage value, output one low voltage signal of triode V2 is to the voltage detection signal input end of central processing unit IC1, judged and handled by this central processing unit IC1.
Central processing unit IC1 is connected respectively to two input ends of the driving circuit that is made of triode T3, T4, T5, T6, T7, T8 by its output terminal OUT1, OUT2, control this driving circuit output drive signal M+, M-, the open and close action of control electric machine valve.
Tongue tube SP1 in foregoing circuit or SP2 adhesive, triode T1 and T2 conducting, power supply BAT becomes the power supply VCC of central processing unit IC1 and display unit IC3 by triode T1, simultaneously, triode T15, T9 or T16, T10 conducting, the input signal IN1 of central processing unit IC1 or IN2 end obtain input signal, and this central processing unit IC1 counts processing to this signal.
In parallel after resistance R 37 is connected with capacitor C 11 with tongue tube SP1, constitute preventing jittering circuit corresponding to tongue tube SP1; In parallel after resistance R 38 is connected with capacitor C 12 with tongue tube SP2, constitute preventing jittering circuit corresponding to tongue tube SP2; When shake took place the signal of tongue tube SP1 or SP2, resistance R 37 and capacitor C 11 or resistance R 38 were not gathered dither signal with the delay circuit that capacitor C 12 is formed, and have therefore improved the accuracy of this device acquired signal.
As shown in Figure 2, the utility model can also be provided with holding circuit, and it is made of triode T11, T12 and resistance R 30, R31; The end of the base stage connecting resistance R31 of triode T11 wherein, the emitter of another termination triode T15 of resistance R 31 and the collector of triode T9, the grounded emitter of triode T11; The end of the base stage connecting resistance R30 of triode T12, the emitter of another termination triode T16 of resistance R 30 and the collector of triode T10, the grounded emitter of triode T12.When the external world produces the magnetic interference signal; tongue tube SP1, SP2 adhesive simultaneously, and make by above-mentioned holding circuit and to cause the input signal IN1, the IN2 that are input to central processing unit IC1 to be high level simultaneously that central processing unit IC1 sends the pass valve signal in view of the above; valve-off is realized defencive function.
Referring to Fig. 2, (it is technology well known to those skilled in the art also to be provided with the testing circuit that puts in place at the utility model, so it is not shown in the figures), this put in place testing circuit respectively output valve reach a signal XT1 and close and the signal XT2 that puts in place, this signal outputs to central processing unit IC1 signal input part correspondingly.Central processing unit IC1 by-pass valve control open or close make receive the signal that puts in place that foregoing circuit sends after, stop immediately transmission is driven valve or closed valve signal.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical scheme that the utility model disclosed; And all do not break away from the modification and the replacement of the spirit and scope of technical solutions of the utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (12)
1, a kind of code exchanges the big flow water meter control device of advance water rate data, at least comprise: the signal acquisition circuit that is used to import count signal, be used to handle the central processing unit and the connected storer of count signal and input data, be used to operate the water source valve driving circuit, be used to show the display unit of input data and pre-paying remaining sum; The output of this signal acquisition circuit is connected to the acquired signal input end of central processing unit; The control signal of this central processing unit output is connected to the control end of driving circuit, it is characterized in that: be used to import the input media of pre-paying the water rate code, be used to prevent the preventing jittering circuit of malfunction signal input; The control device circuit that powers on; This input media is connected to the IO interface of central processing unit, and this display unit is connected to the video data output terminal of central processing unit; The collecting unit of this signal acquisition circuit is the control end of switching tube that its output of tongue tube is connected to signal acquisition circuit; This preventing jittering circuit is in parallel with tongue tube, this control device power on circuit control end simultaneously with the power on holding signal and the signal acquisition circuit of central processing unit output terminal be connected; The power on power supply that is input as of circuit of control device, it is output as the working power of this control device.
2, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: this control device is provided with two signal acquisition circuits, its output terminal is connected respectively to the corresponding with it signal input part of central processing unit, and is connected to the power on control end of circuit of control device simultaneously.
3, code according to claim 2 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: this control device also comprises low-voltage testing circuit, it imports power supply, and output is connected to the voltage detection signal input end of central processing unit.
4, code according to claim 2 exchanges the big flow water meter control device of advance water rate data; it is characterized in that: this control device also is provided with holding circuit, and the control end of two saturated switches of this holding circuit is cross connected to the output terminal of the other side's signal acquisition circuit separately.
5, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: it also comprises the valve testing circuit that puts in place, the valve that this detection signal that puts in place the is connected to central processing unit signal input part that puts in place.
6, code according to claim 5 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: this detection signal that puts in place comprises that at least valve reaches a signal and valve closes the signal that puts in place.
7, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: described control device also is provided with booster circuit, the control end of this booster circuit is connected with the boost drive signals of central processing unit, and its output is connected to driving circuit.
8, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: described to be used to import the input media of pre-paying the water rate code be input keyboard, the parallel input/output port line that is connected to central processing unit of its key assignments output signal.
9, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, and it is characterized in that: described storer passes through I
2The C bus is connected to central processing unit.
10, code according to claim 1 exchanges the big flow water meter control device of advance water rate data, it is characterized in that: the described control device circuit that powers on is provided with a gauge tap and a power switch at least, the control signal end of this gauge tap is the power on control end of circuit of this control device, and its output terminal is the control signal end of power switch; The major loop of this power switch is input as power supply, and it is output as the working power of this control device.
11, code according to claim 10 exchanges the big flow water meter control device of advance water rate data, and it is characterized in that: described control device also is provided with the start-up circuit that comprises hand switch, and this hand switch is connected with the control end of power switch.
12, exchange the big flow water meter control device of advance water rate data according to claim 1 or 7 described codes, it is characterized in that: described driving circuit is provided with one and opens and drive moving circuit and and cut out and drive moving circuit; Wherein, the input control end of opening driving circuit is connected to the unlatching control signal of central processing unit, and the input control end of closing driving circuit is connected to the closing control signal of central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233411 CN2539154Y (en) | 2002-04-30 | 2002-04-30 | Large flow water-meter controller of code exchange water repayment data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233411 CN2539154Y (en) | 2002-04-30 | 2002-04-30 | Large flow water-meter controller of code exchange water repayment data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539154Y true CN2539154Y (en) | 2003-03-05 |
Family
ID=33708555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233411 Expired - Fee Related CN2539154Y (en) | 2002-04-30 | 2002-04-30 | Large flow water-meter controller of code exchange water repayment data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539154Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033227A (en) * | 2012-12-14 | 2013-04-10 | 中国电子科技集团公司第四十七研究所 | Special integrated circuit for flow detection |
| CN103033228A (en) * | 2012-12-14 | 2013-04-10 | 中国电子科技集团公司第四十七研究所 | Two-line flow detection electronic device |
-
2002
- 2002-04-30 CN CN 02233411 patent/CN2539154Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033227A (en) * | 2012-12-14 | 2013-04-10 | 中国电子科技集团公司第四十七研究所 | Special integrated circuit for flow detection |
| CN103033228A (en) * | 2012-12-14 | 2013-04-10 | 中国电子科技集团公司第四十七研究所 | Two-line flow detection electronic device |
| CN103033228B (en) * | 2012-12-14 | 2016-06-01 | 中国电子科技集团公司第四十七研究所 | A kind of two-line flow detection electronic device |
| CN103033227B (en) * | 2012-12-14 | 2016-06-01 | 中国电子科技集团公司第四十七研究所 | Flow detection application specific integrated circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LIANYI ZHIHENG HIGH TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: DAQINGLIANYI WEIHUA HIGH-SCIENCE + TECHNOLOGY CO. LTD. Effective date: 20070126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070126 Address after: The city of Beijing in 100076 and three in Fengtai District East District No. 9 Patentee after: Beijing Lianyi Hi Tech Co., Ltd. Address before: The city of Beijing in 100076 and three in Fengtai District East District No. 9 Patentee before: Lianyi Weihua High Technologies Co., Ltd., Daqing City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030305 Termination date: 20100430 |