CN2859469Y - Embedded intelligent control acquisition processor - Google Patents
Embedded intelligent control acquisition processor Download PDFInfo
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- CN2859469Y CN2859469Y CN 200620000722 CN200620000722U CN2859469Y CN 2859469 Y CN2859469 Y CN 2859469Y CN 200620000722 CN200620000722 CN 200620000722 CN 200620000722 U CN200620000722 U CN 200620000722U CN 2859469 Y CN2859469 Y CN 2859469Y
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Abstract
This utility model relates to an information transmission device which make use of two core bus lines without distinguishing the polarity, can be conveniently built-in other devices that have the embedded intelligent control collection processor with control function. It comprises of data communication circuit (1),valve control circuit (2),sensor signal collection partial (3)s, internal power source (4),data store circuit (5), power source detection and alarm circuit (6), liquid crystal displays circuit (7) and main processing chip (8) ,can complete the work of collection, measure, control, communication function for external signal, has simple structure, stable performance and antiinterference, the information transmission is accurate. Also, it has no adjustable element and is easy mass production.
Description
Technical field:
The utility model relates to two core buses that a kind of utilization is regardless of both positive and negative polarity as the information transmission channel, can easily be embedded into the embedded intelligence control Acquisition Processor that has control function in other devices.
Technical background:
The used flow meter (water meter, ammeter, gas meter, flow meter, heat energy table etc.) of the dwelling house of present stage mostly is mechanical type table tool, can only check meter to the doorstep with manual type, remote intelligent meter recording system appears in China since the nineties, but what great majority adopted is the mode of centralized automatic meter-reading, there is certain problem in this meter reading method, pulse is inaccurate, is disturbed easily, if the user bumps disconnected pulse because of carelessness or control line will occur counting or out of contior phenomenon.Secondly because line often can bring very big difficulty to installment work, increased cost virtually again.
Some other meter reading methods are also arranged at present,, embed direct readout etc., but cost is higher, concerning general dwelling house and be not suitable for such as GPRS.
The utility model content:
The purpose of this utility model is to utilize two core buses as the information transmission channel, can easily be embedded into that the circuit that has control function in other devices is simple, stable performance, antijamming capability are strong, information transmission Based Intelligent Control Acquisition Processor accurately, and can add the pre-payment correlation function as required, increase down Monitor Unit, when battery electric quantity is not enough, can report to the police.
The utility model is made up of collecting sensor signal circuit, valve controling circuit, data communication circuit, interior power supply circuit, data storage circuitry, power supply monitoring and warning circuit, liquid crystal display circuit and 8 parts of main process chip.The collecting sensor signal circuit passes through input isolation resistance R1 by the port one of the access terminal P3 of sensor signal, and add power supply biasing resistor R20, behind filter capacitor C3, divide 2 the tunnel, one the tunnel directly receives on the external interrupt mouth P1.3 of main process chip U1, another road is received on the external interrupt mouth P1.4 of main process chip U1 through phase inverter U3A, the port 2 of the access terminal P3 of sensor signal is by input isolation resistance R2, and add power supply biasing resistor R21, behind filter capacitor C4, divide 2 the tunnel, one the tunnel directly receives on the keyboard interrupt mouth P0.0 of main process chip U1, and another road is received on the keyboard interrupt mouth P0.1 of main process chip U1 through phase inverter U3B;
Valve controling circuit is made up of motor-driven and valve position detection two parts, motor-driven control is connected with decoupling capacitor C12 with over current of motor protection F2 by the port 8 of motor drive ic U4,7,3 ports of chip for driving U4 are connected with the P2.0-P2.1 mouth of main process chip U1 with resistance R 17 by input below-center offset resistance R 16, and the port one of U4,5 is connected with the access terminal P4 port one, 2 of motor drive signal; The access terminal P4 port 4 of valve location detection signal is by discharge resistance R3, capacitor C 5, pull-up resistor R23 is connected with the port P1.6 of main process chip U1, the C5 filtering is reached level sensor and is disturbed, insert terminal P4 port 3 by discharge resistance R4, capacitor C 6, pull-up resistor R22 is connected with the port P1.7 of main process chip U1, and the sensor disturbance that puts in place is closed in the C6 filtering;
The data communication circuit connects outside two core buses by inserting terminal P1, anti-thunder tube PS1 two ends are attempted by on the bus, insurance F1 is connected in the bus loop from resetting, transient suppressor TVS1 two ends are attempted by forms overcurrent-overvoltage protecting circuit on the bus, pass through the polar switching part again by diode D1, D2, D3, the bridge circuit that D4 forms, 22 pin of U1 are received 2 pin of photoelectrical coupler OP2, R6 is the current-limiting resistance of 1 pin of OP2,3 pin of OP2 connect the negative pole of bridge circuit, 4 pin of OP2 connect the positive pole of bridge circuit behind current-limiting resistance R7,21 pin of U1 are received 4 pin of photoelectrical coupler OP1, the 3 pin ground connection of OP1,2 pin of OP1 connect 2 pin of triode Q2,3 pin of Q2 connect the negative pole of bridge circuit, 1 of R15 and Q2,3 pin also connect, 1 pin of Q2 connects the D5 negative pole through R14, the D5 positive pole connects the positive pole of bridge circuit, and 1 pin of OP1 connects the positive pole of bridge circuit behind R10, by resistance R 19, capacitor C 8 is connected with 23 pin of U1;
Internal electric source part is by the Vin pin of battery P2 with access U5 after C13, C16 are in parallel, and C14, C15 are in parallel with Vout pin, the GND pin of U5;
Data storage is connected with 19,63 pin, the R13 of U1 by 5 pin of the erasable storage chip U2 of electricity, and 6 pin of U2 are connected with 18,64 pin, the R12 of U1, and 7 pin of U2 are connected with 17 pin, the R11 of U1, and C10 is the U2 decoupling capacitor;
Power supply monitoring part is by Vin pin, the GND pin of P2 and detection of power loss chip U6 and connect, the Vin pin of R26 and U6, Vout pin also connect, the Vout pin of U6 is through 4 pin of R25 access U1, and warning circuit is connected with amplification hummer LS1 through R8, triode Q1 by the 20 pin output signals of U1;
The LCDs LCD1 of liquid crystal display circuit is 58 sections special-purpose water, electricity, gas, warm table liquid crystal, and four public pole COM0～COM3 are connected on respectively on BP0～BP3 port of U1, and port S0～S13 is connected on respectively on output port S0～S13 of U1; Keyboard input S1 is connected with the P0.3 port of processor U1 by R5, C7, R24;
The P3.1-P3.0 port of main process chip U1 connects crystal oscillator Y1 and C1, C2, adopts internal reset, adds outside build-out resistor R18; Reset: adopt the processor internal reset, improve the anti-interference of processor, add outside build-out resistor R18, R27, R28, R29 are processor port pull-up resistor;
Wire jumper W1, W2, W3, W4 one end are connected with power supply by resistance R 18, R28, R29 respectively, and the other end is connected with P0.5, P0.4, VSS, P1.5, the vdd terminal mouth of U1 by the 1-5 port that inserts terminal P5 respectively.
This equipment adopts (1) bus communication over-voltage over-current protection: the PS1 two ends are attempted by on the bus, are used for high pressure pulse discharge, and F1 is connected in the bus loop, finish the overcurrent protection of bus, and the TVS1 two ends are attempted by on the bus, are used for clamper bus input voltage; (2) polar switching: form bridge circuit by D1, D2, D3, D4, no matter bus 1 for just still bus 2 for just, behind the bridge-type change-over circuit, it is that positive D2 is just very negative that bus signals all will become the D1 negative pole, the function of the nonpolarity connection of realization bus; (3) upstream data: the U1 output data is isolated output modulation bus electric current through OP2, and R6 is that OP2 input current-limiting resistance, R7 are the bus current-limiting resistances; (4) downlink data: D5 detects bus downgoing signal voltage, and R14, R15, Q1, R10 form amplifying circuit and promote OP1, and signal outputs to U1-RXD through the OP1 isolation, and R9 is the OP1 output load resistance; (5) active processor: the OP1 output signal is input to the activation of U1 keyboard through C8 and interrupts processor is waken up from sleep;
Counting processes sensor 1 input: R1 is the discharge resistance of sensor input isolation and C3; R20 provides the biasing resistor of power supply for sensor; C3 is a filter capacitor; Input directly connects the interruption 0 of U1, connects the interruption 1 of U1 through phase inverter U3A; Sensor 2 input: R2 are the discharge resistance of sensor input isolation and C4; R21 provides the biasing resistor of power supply for sensor; C4 is a filter capacitor; Input directly connects the keyboard interrupt 0 of U1, connects the keyboard interrupt 1 of U1 through phase inverter U3B.
The power supply of power unit is given altogether: U5 is low pressure reduction power supply voltage stabilizing chip, and C13, C14, C15, C16 are filter capacitor; The power unit that battery is directly given altogether has motor driving controling circuit, warning output circuit, and in addition through the U5 voltage stabilizing, C15, C14 filtering offer other parts; Detection of power loss: the detection of power loss part is the detection of power loss chip by U6, and R26 is a U6 output pull-up resistor, and R25 is an isolation resistance; The Vin of U6 connects anode, monitoring cell voltage, and the Vout output data of U6 is given processor P 0.2 pin when being lower than setting value, so that processor processing.
The motor-driven control of valve control: U4 is a motor drive ic, F2 is that the over current of motor protection is from recovering insurance, C12 is a decoupling capacitor, R16, R17 are chip for driving input below-center offset resistance, INA, INB output QA, the QB of processor P 2.0, P2.1 control U4, driver's valve door motor forward or reverse is finished the controlled valve action; Valve location detects: it is the C5 discharge resistance that valve location detects by R3, R23 is a pull-up resistor, the C5 filtering is reached level sensor and is disturbed, sensor reaches a signal is input to U1 through R3, C5 P1.6 port, R4 is the C6 discharge resistance, R22 is a pull-up resistor, and the sensor disturbance that puts in place is closed in the C6 filtering, and sensor closes the signal that puts in place is input to U1 through R4, C6 P1.7 port.
Data storage is 0 power consumption Serial E by U2
2PROM, operating voltage 1.8～6.0V adopts I
2C bus and processor communication are used for the storage of node module data.R12, R13 are respectively I
2The clock of C bus, data pull-up resistor, R11 are the write-protect pull-up resistors of U2, and C10 is the U2 decoupling capacitor.
Man-machine interface LCD shows: LCD shows and is made up of U1 inner drive and LCD1, LCD1 is 58 sections special-purpose water, electricity, gas, warm table liquid crystal, four public pole COM0～COM3 are connected on respectively on BP0～BP3 of U1, other section S0～S13 is connected on respectively on section output S0～S13 of U1, the inner liquid crystal driver of U1 drives LCD1, and the water meter internal information is shown to the user; The keyboard input: the keyboard input is the C7 discharge resistance by R5, and R24 is a pull-up resistor, and C7 filtering S1 shakes interference, and the user presses S1, is converted to the P0.3 port that information of voltage is input to processor U1 by R24, finishes the response to the user; Report to the police and export: the circuit that the P2.5 port output data of U1 is formed through R8, Q1 amplifies promotion LS1 hummer sounding, finishes the audible alarm function.
Processor U1 is inner integrated LCD driving circuit, processor output data employing exterior I
2C (software simulation) bus P2.2 (clock), P2.3 (data) are connected to the inner lcd driver pin of U1 SCLlcd, SDAlcd; Chip programming adopts ICP serial programming mode, form by clock line P5-2 (the P0.5 port of U1), data line P5-3 (the P0.4 port of U1), control line P5-4 (the RESET port of U1), programming power supply P5-1 (VDD of U1), P5-5 (VSS of U1), because these several ports all are multiplexing, so in the time will programming to processor, tripping wire jumper W1, W2, W3, W4 make circuit not influenced by application circuit, when the processor operate as normal, short circuit W1, W2, W3, W4; Processor clock: processor adopting medium-frequency oscillator 3.6864MHz, take into account operational performance and communication baud rate when reducing power consumption of processing unit, the P3.0 port of U1 is the amplification output of clapp oscillator when adopting external clock, is input to the P3.1 of clapp oscillator input port U1 through the Y1 frequency-selecting; Reset: adopt the processor internal reset, improve the anti-interference of processor, add outside build-out resistor R18, R27, R28, R29 are processor port pull-up resistor.
The utility model is convenient to standardized batch process, thereby has realized the requirement of its commodity.
No two positive and negative core buses connect, module is embedded in the table tool owing to use, and have reduced great amount of manpower and material resources in the practical installation and trial process, have reduced installation cost, also are convenient to later maintenance; Strengthen stability and reliability that data transmit, greatly reduced the loss rate and the bit error rate of signal; Strengthened the versatility of product, be convenient to be embedded in the product of difference in functionality and use, for example ammeter, water meter, gas meter, flow meter, calorimeter etc.
Description of drawings
Fig. 1 embedded intelligence control Acquisition Processor structured flowchart.
Fig. 2 embedded intelligence control Acquisition Processor circuit diagram.
Embodiment
Consult accompanying drawing
It is made up of data communication circuit (1), valve controling circuit (2), collecting sensor signal part (3), internal electric source (4), data storage circuitry (5), power supply detection and warning circuit (6), liquid crystal display circuit (7) and main process chip (8), it is characterized in that:
The collecting sensor signal circuit passes through input isolation resistance R1 by the port one of the access terminal P3 of sensor signal, and add power supply biasing resistor R20, behind filter capacitor C3, divide 2 the tunnel, one the tunnel directly receives on the external interrupt mouth P1.3 of main process chip U1 (LPC9401), and another road is received on the external interrupt mouth P1.4 of main process chip through phase inverter U3A (M74HC04MIR); The port 2 of the access terminal P3 of sensor signal is by input isolation resistance R2, and add power supply biasing resistor R21, behind filter capacitor C4, divide 2 the tunnel, one the tunnel directly receives on the keyboard interrupt mouth P0.0 of main process chip U1, receive on the keyboard interrupt mouth P0.1 of main process chip U1 through phase inverter U3B (M74HC04MIR) on another road, and U3C, U3D, U3E, U3F do not use.
Valve controling circuit is made up of motor-driven and valve position detection two parts, motor-driven control is connected with decoupling capacitor C12 with over current of motor protection F2 by the port 8 of motor drive ic U4 (BH3024), 7,3 ports of chip for driving U4 are connected with the P2.0-P2.1 mouth of main process chip U1 with resistance R 17 by input below-center offset resistance R 16, and the port one of U4,5 is connected with the access terminal P4 port one, 2 of motor drive signal; The access terminal P4 port 4 of valve location detection signal is by capacitor C 5 discharge resistance R3, and pull-up resistor R23 is connected with the port P1.6 of main process chip U1, and the C5 filtering is reached level sensor and disturbed; Insert terminal P4 port 3 by capacitor C 6 discharge resistance R4, pull-up resistor R22 is connected with the port P1.7 of main process chip U1, and the sensor disturbance that puts in place is closed in the C6 filtering.
The data communication circuit connects outside two core buses by inserting terminal P1, anti-thunder tube PS1 (M201) two ends are attempted by on the bus, reset certainly that insurance F1 (JK60017) is connected in the bus loop, transient suppressor TVS1 (SMBJ28CA) two ends are attempted by the overcurrent-overvoltage protecting circuit of forming on the bus, the bridge circuit of forming by diode D1, D2, D3, D4 by polar switching part again, again by resistance R 7, photoelectrical coupler OP2, resistance R 6, and 22 pin of U1 form the upstream data circuit; 22 pin of U1 are received 2 pin of OP2, and R6 is the current-limiting resistance of 1 pin of OP2, and 3 pin of OP2 connect the negative pole of bridge circuit, and 4 pin of OP2 connect the positive pole of bridge circuit behind current-limiting resistance R7; 21 pin by diode D5 (SK6V2), resistance R 14, resistance R 15, resistance R 10, triode Q1 (9013), photoelectrical coupler OP1, resistance R 9 and U1 are formed the downlink data circuit; 21 pin of U1 are received 4 pin of OP1, the 3 pin ground connection of OP1, and 2 pin of OP1 connect 2 pin of Q1,3 pin of Q1 connect the negative pole of bridge circuit, and 1,3 pin of R15 and Q1 also connect, and 1 pin of Q1 connects the D5 negative pole through R14, the D5 positive pole connects the positive pole of bridge circuit, and 1 pin of OP1 connects the positive pole of bridge circuit behind R10; Be connected with 23 pin of U1 by resistance R 19, capacitor C 8.
The internal electric source part is made up of battery P2 (3.6V), low pressure reduction power supply voltage stabilizing chip U5 (RH5R1.30AA), capacitor C 13, capacitor C 14, capacitor C 15, capacitor C 16; P2 and the Vin pin that inserts U5 after C13, C16 are in parallel, C14, C15 are in parallel with Vout pin, the GND of U5.
Data storage is made up of the erasable storage chip U2 of electricity (CS12402J), resistance R 11, resistance R 12, resistance R 13, capacitor C 10; 5 pin of U2 are connected with 19,63 pin, the R13 of U1, and 6 pin of U2 are connected with 18,64 pin, the R12 of U1, and 7 pin of U2 are connected with 17 pin, the R11 of U1, and R11, R12, R13 are pull-up resistor, and C10 is the U2 decoupling capacitor.
The power supply monitoring part is made up of detection of power loss chip U6 (R3111H331C), resistance R 25, resistance R 26; The Vin pin of P2 and U6, GND pin also connect, and the Vin pin of R26 and U6, Vout pin also connect, and the Vout pin of U6 inserts 4 pin of U1 through R25; Warning circuit is made up of R8, Q1, LS1, and the circuit that the 20 pin output signals of U1 are formed through R8, Q1 amplifies promotion LS1 hummer sounding.
Liquid crystal display circuit is made up of U1 internal drive and LCDs LCD1, LCD1 is 58 sections special-purpose water, electricity, gas, warm table liquid crystal, four public pole COM0～COM3 are connected on respectively on BP0～BP3 port of U1, port S0～S13 is connected on respectively on output port S0～S13 of U1, be used for the various information of indicator gauge tool, in realizing pre paid functionality, be even more important.The keyboard input is made up of S1, R5, R24, C7, and R5 is the C7 discharge resistance, and R24 is a pull-up resistor, and C7 filtering S1 shakes interference.The user presses S1, is converted to the P0.3 port that information of voltage is input to processor U1 by R24, finishes the response to the user.
Main process chip part connects crystal oscillator Y1 and C1, C2 by the P3.1-P3.0 port of U1, adopts internal reset, adds outside build-out resistor R18.
Wire jumper W1, W2, W3, W4 one end are connected with power supply by resistance R 18, R28, R29 respectively, and the other end is connected with P0.5, P0.4, VSS, P1.5, the vdd terminal mouth of U1 by the 1-5 port that inserts terminal P5 respectively.
Claims (1)
1, a kind of embedded intelligence control Acquisition Processor, it is by data communication circuit (1), valve controling circuit (2), collecting sensor signal circuit (3), internal electric source part (4), data storage circuitry (5), power supply detects and warning circuit (6), liquid crystal display circuit (7) and main process chip (8) are formed, it is characterized in that: the collecting sensor signal circuit passes through input isolation resistance R1 by the port one of the access terminal P3 of sensor signal, and add power supply biasing resistor R20, behind filter capacitor C3, divide 2 the tunnel, one the tunnel directly receives on the external interrupt mouth P1.3 of main process chip U1, another road is received on the external interrupt mouth P1.4 of main process chip U1 through phase inverter U3A, the port 2 of the access terminal P3 of sensor signal is by input isolation resistance R2, and add power supply biasing resistor R21, behind filter capacitor C4, divide 2 the tunnel, one the tunnel directly receives on the keyboard interrupt mouth P0.0 of main process chip U1, and another road is received on the keyboard interrupt mouth P0.1 of main process chip U1 through phase inverter U3B;
Valve controling circuit is made up of motor-driven and valve position detection two parts, motor-driven control is connected with decoupling capacitor C12 with over current of motor protection F2 by the port 8 of motor drive ic U4,7,3 ports of chip for driving U4 are connected with the P2.0-P2.1 mouth of main process chip U1 with resistance R 17 by input below-center offset resistance R 16, and the port one of U4,5 is connected with the access terminal P4 port one, 2 of motor drive signal; The access terminal P4 port 4 of valve location detection signal is by discharge resistance R3, capacitor C 5, pull-up resistor R23 is connected with the port P1.6 of main process chip U1, the C5 filtering is reached level sensor and is disturbed, insert terminal P4 port 3 by discharge resistance R4, capacitor C 6, pull-up resistor R22 is connected with the port P1.7 of main process chip U1, and the sensor disturbance that puts in place is closed in the C6 filtering;
The data communication circuit connects outside two core buses by inserting terminal P1, anti-thunder tube PS1 two ends are attempted by on the bus, insurance F1 is connected in the bus loop from resetting, transient suppressor TVS1 two ends are attempted by forms overcurrent-overvoltage protecting circuit on the bus, pass through the polar switching part again by diode D1, D2, D3, the bridge circuit that D4 forms, 22 pin of U1 are received 2 pin of photoelectrical coupler OP2, R6 is the current-limiting resistance of 1 pin of OP2,3 pin of OP2 connect the negative pole of bridge circuit, 4 pin of OP2 connect the positive pole of bridge circuit behind current-limiting resistance R7,21 pin of U1 are received 4 pin of photoelectrical coupler OP1, the 3 pin ground connection of OP1,2 pin of OP1 connect 2 pin of triode Q2,3 pin of Q2 connect the negative pole of bridge circuit, 1 of R15 and Q2,3 pin also connect, 1 pin of Q2 connects the D5 negative pole through R14, the D5 positive pole connects the positive pole of bridge circuit, and 1 pin of OP1 connects the positive pole of bridge circuit behind R10, by resistance R 19, capacitor C 8 is connected with 23 pin of U1;
Internal electric source part is by the Vin pin of battery P2 with access U5 after C13, C16 are in parallel, and C14, C15 are in parallel with Vout pin, the GND pin of U5;
Data storage is connected with 19,63 pin, the R13 of U1 by 5 pin of the erasable storage chip U2 of electricity, and 6 pin of U2 are connected with 18,64 pin, the R12 of U1, and 7 pin of U2 are connected with 17 pin, the R11 of U1, and C10 is the U2 decoupling capacitor;
Power supply monitoring part is by Vin pin, the GND pin of P2 and detection of power loss chip U6 and connect, the Vin pin of R26 and U6, Vout pin also connect, the Vout pin of U6 is through 4 pin of R25 access U1, and warning circuit is connected with amplification hummer LS1 through R8, triode Q1 by the 20 pin output signals of U1;
The LCDs LCD1 of liquid crystal display circuit is 58 sections special-purpose water, electricity, gas, warm table liquid crystal, and four public pole COM0～COM3 are connected on respectively on BP0～BP3 port of U1, and port S0～S13 is connected on respectively on output port S0～S13 of U1; Keyboard input S1 is connected with the P0.3 port of processor U1 by R5, C7, R24;
The P3.1-P3.0 port of main process chip U1 connects crystal oscillator Y1 and C1, C2, adopts internal reset, adds outside build-out resistor R18; Reset: adopt the processor internal reset, improve the anti-interference of processor, add outside build-out resistor R18, R27, R28, R29 are processor port pull-up resistor; Wire jumper W1, W2, W3, W4 one end are connected with power supply by resistance R 18, R28, R29 respectively, and the other end is connected with P0.5, P0.4, VSS, P1.5, the vdd terminal mouth of U1 by the 1-5 port that inserts terminal P5 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000722 CN2859469Y (en) | 2006-01-16 | 2006-01-16 | Embedded intelligent control acquisition processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000722 CN2859469Y (en) | 2006-01-16 | 2006-01-16 | Embedded intelligent control acquisition processor |
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| CN2859469Y true CN2859469Y (en) | 2007-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620000722 Expired - Fee Related CN2859469Y (en) | 2006-01-16 | 2006-01-16 | Embedded intelligent control acquisition processor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064768A (en) * | 2010-11-11 | 2011-05-18 | 苏州合欣美电子科技有限公司 | Humidity-frequency conversion circuit of ecological house |
| CN103425075A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Signal acquisition board |
| CN104791534A (en) * | 2015-04-20 | 2015-07-22 | 成都千嘉科技有限公司 | Valve control system for gas meter and gas meter |
| CN106504499A (en) * | 2016-11-23 | 2017-03-15 | 湖南威铭能源科技有限公司 | Civilian wireless watermeter meter register method |
| WO2017084002A1 (en) * | 2015-11-16 | 2017-05-26 | 海能达通信股份有限公司 | Data pull-up method in which uplink channel is dynamically allocated and communication device |
-
2006
- 2006-01-16 CN CN 200620000722 patent/CN2859469Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064768A (en) * | 2010-11-11 | 2011-05-18 | 苏州合欣美电子科技有限公司 | Humidity-frequency conversion circuit of ecological house |
| CN103425075A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Signal acquisition board |
| CN104791534A (en) * | 2015-04-20 | 2015-07-22 | 成都千嘉科技有限公司 | Valve control system for gas meter and gas meter |
| WO2017084002A1 (en) * | 2015-11-16 | 2017-05-26 | 海能达通信股份有限公司 | Data pull-up method in which uplink channel is dynamically allocated and communication device |
| CN106504499A (en) * | 2016-11-23 | 2017-03-15 | 湖南威铭能源科技有限公司 | Civilian wireless watermeter meter register method |
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