CN205958995U - Wired teletransmission valve accuse direct - reading photoelectric water meter's electrical system - Google Patents
Wired teletransmission valve accuse direct - reading photoelectric water meter's electrical system Download PDFInfo
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- CN205958995U CN205958995U CN201620872280.XU CN201620872280U CN205958995U CN 205958995 U CN205958995 U CN 205958995U CN 201620872280 U CN201620872280 U CN 201620872280U CN 205958995 U CN205958995 U CN 205958995U
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Abstract
The utility model discloses a wired teletransmission valve accuse direct - reading photoelectric water meter's electrical system, including controller, communication module, communication interface, power module, photoelectric direct reading module and valve control module, the controller is a chip only, communication module, power module, valve control module and photoelectric direct reading module all are connected with the controller, and communication module passes through communication interface and external connection and communication, power module acquires the power supply through the communication interface externally. The utility model discloses a circuit topology structure's improvement and optimization adopt a control chip to accomplish two functions that control chip could accomplish before, consequently the utility model discloses compare in prior art and reduced the consumption, saved the cost, the easily production, adopt follow -on valve control circuit, effectively guaranteed the correct shutoff of valve and opened to the reliability of water gauge has been improved. The utility model discloses the energy consumption is low, with low costs, the reliability is high and production is simple relatively.
Description
Technical field
The utility model is specifically related to a kind of electric-control system of wired remote transmission valve control photoelectric direct-reading water meter.
Background technology
Wired remote transmission valve control photoelectric direct-reading water meter is a kind of support remotely real-time copy reading water yield data, also can support long-range reality
Apply water meter valve to open and close.For the clients such as Running-water Company provide very convenient check meter, charging function.This kind of water meter is no
Built-in power, working power is provided by uplink communication bus completely.Usually only checked meter or during valve control operation, upper row bus
Just provide power supply, remaining time does not need to provide power supply, the valve that water meter can be normally carried out water consumption measurement and keep last time operation
Door state.This water meter is due to no built-in power, and supports intermittence powered operation, is favored by clients such as the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties very much, and extensively
General it is applied to current water meter market.
The electric-control system functional block diagram of current wired remote transmission valve control photoelectric direct-reading water meter is as shown in Figure 1：M-bus photoelectricity
Direct-reading water meter, on the basis of multistream rotor water gauge, realizes water meter by way of being internally embedded photoelectricity acquisition circuit module
The automatic data collection of data on flows and the bidirectional data exchange with acquisition terminal.The discharge characteristic of this water meter, installation dimension with existing
Mechanical water meter is consistent.Photoelectricity acquisition circuit module comprises photoelectric sensor, CPU, M-BUS communication interface realize water yield data from
Dynamic collection, automatically storage, transmitted in both directions function.
But, the electric-control system components and parts of current wired remote transmission valve control photoelectric direct-reading water meter are more, directly result in separate unit
There are the following problems for water meter：1）Power consumption is high：Numerous components and parts, lead to water meter power consumption high, so that the separate unit of acquisition system is adopted
The water meter quantity that collection equipment has access to reduces；2）High cost；3）Produce complicated；4）Reliability is low.
Utility model content
The purpose of this utility model is to provide that a kind of energy consumption is low, low cost, reliability are high and produces and relatively simple has
The electric-control system of line teletransmission valve control photoelectric direct-reading water meter.
The electric-control system of this wired remote transmission valve control photoelectric direct-reading water meter that the utility model provides, including controller, leads to
Letter module, communication interface, power module, photoelectric direct reading module and valve control module, controller only has chip piece；Communication mould
Block, power module, valve control module and photoelectric direct reading module are all connected with controller, and communication module passes through communication interface with outward
Portion connects and communicates；Power module passes through communication interface and obtains power supply from outside.
Model MEGA16D4 of described controller.
Described communication module is M-BUS communication module.
Described M-BUS communication module is connected by serial ports with controller.
Described M-BUS communication module is the M-BUS telecommunication circuit of the chip composition of model DTS521.
Described power module is the power circuit of the chip composition of model LM507.
Described valve controling circuit includes the dynamic switch of valve opening, valve opens driving switch, valve closes activate switch, valve
Door closes driving switch, filter circuit, valve opens pull down resistor, valve closes pull down resistor, valve drives auxiliary switch and valve pass is auxiliary
Help switch；The control end that valve opening moves switch connects controller, and valve opening moves armature contact one end connecting valve of switch
Open the control end of driving switch, the other end drives the control end connection that current-limiting resistance connecting valve drives auxiliary switch, valve by valve
Movable end one end that door drives auxiliary switch is connected to ground, and the other end is the first pole of output signal, and valve opens the work of driving switch
Moved end one end is connected with positive source, and the other end is the second pole of output signal；Between first pole of output signal and the second pole
It is parallel with filter circuit；Valve closes activate switch, valve closes driving switch, valve closes auxiliary switch, valve pass pull down resistor is adopted
Access the control circuit of water meter valve with same circuit connecting mode.
Described photoelectric direct reading module is the photo-electronic directly reading circuit including light emitting diode and photoelectric receiving tube.
The electric-control system of this wired remote transmission valve control photoelectric direct-reading water meter that the utility model provides, is tied by circuit topology
The improvement of structure and optimization, the function that before being completed using one piece of control chip, two pieces of control chips just can complete, therefore this practicality
New reduce power consumption compared to prior art, save cost it is easy to produce；Using follow-on valve controling circuit, have
Effect ensure that the correct switching of valve, thus improve the reliability of water meter.The utility model energy consumption is low, low cost,
Reliability is high and produces relatively easy.
Brief description
Fig. 1 is the functional block diagram of the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter of background technology.
Fig. 2 is functional block diagram of the present utility model.
Fig. 3 is the circuit theory diagrams of controller of the present utility model.
Fig. 4 is the circuit theory diagrams of communication module of the present utility model.
Fig. 5 is the circuit theory diagrams of power module of the present utility model.
Fig. 6 is the circuit theory diagrams of valve controling circuit of the present utility model.
Fig. 7 is the circuit theory diagrams of photo-electronic directly reading circuit of the present utility model.
Specific embodiment
It is illustrated in figure 2 functional block diagram of the present utility model：This wired remote transmission valve control light that the utility model provides
The electric-control system of photoelectric direct reading water meter, including controller, communication module, communication interface, power module, photoelectric direct reading module and valve
Control module, controller only has chip piece；Communication module, power module, valve control module and photoelectric direct reading module all with
Controller connects, and communication module passes through communication interface and external connection and communication；Power module is obtained from outside by communication interface
Take power supply.
It is illustrated in figure 3 the circuit theory diagrams of controller of the present utility model：Model MEGA16D4 of controller chip；
No. 15 of chip, No. 16, No. 20 and No. 21 pins are the connection pin of valve control module, connecting valve control module；Chip
No. 23 pins and No. 22 pins be serial ports pin, be connected with communication module.LED0 ~ LED4, EN_R0 ~ EN_R3, AD0 ~ AD3 are
The pin of photoelectric direct reading module distribution；XTAL1, XTAL2 are system clock source input pin；DI, RST are used for systems soft ware and download
Mouthful；V3.3, GND are system power source voltage and earth signal.
It is illustrated in figure 4 the circuit theory diagrams of communication module of the present utility model：Communication module is M-BUS telecommunication circuit；
Model DTS521 of communication chip；1 pin of chip and 16 pin are output pin, export two-way MBUS signal；No. 12 of chip
Pin and No. 8 pins are serial communication pin, are connected with the rs 232 serial interface signal of controller by current-limiting resistance R5.R14 is that system is quiet
State power consumption（Quiescent dissipation：Refer to row bus to system electrification, but do not carry out the system mode of traffic operation）Regulation resistance,
Its size determines the main quiescent dissipation of system.This communication module is responsible for upper row bus M_BUS level signal and system TTL
Between level signal, level conversion and communication are paid.In order to reduce static system power consumption, cancel this communication module to system power supply,
It is only used for communication power consumption, selects a suitable R14 resistance value simultaneously, optimize communication power consumption to the full extent.
It is illustrated in figure 5 the circuit theory diagrams of power module of the present utility model：The model of the power supply chip of power module
For LM507；This module is passed through from M_BUS bus power taking source, bus high voltage is converted into operating voltage 3.3V of system.System
During quiescent operation, this power module is also at the static state of low-power consumption, and the power supply obtaining from bus is very low, reduces the upper limit
The load request of bus.When the system is operating, this module just can obtain substantially stabilized guarantee of power system from bus in time
Often run.
It is illustrated in figure 6 the circuit theory diagrams of valve controling circuit of the present utility model：Valve controling circuit includes valve
Open activate switch Q8, valve opens driving switch Q5, valve closes activate switch Q7, valve closes driving switch Q10, filter circuit（R32
And C17）, valve opens pull down resistor R33, valve closes that pull down resistor R36, valve open auxiliary switch Q9 and valve closes auxiliary switch
Q6；The control end that valve opening moves switch connects controller, and armature contact one end connecting valve that valve opening moves switch opens drive
The control end of dynamic switch, the other end opens the control end connection that current-limiting resistance R37 connecting valve drives auxiliary switch, valve by valve
The movable end one end driving auxiliary switch is connected to ground, and the other end is the first pole of output signal, and valve opens the activity of driving switch
End one end is connected with positive source, and the other end is the second pole of output signal；Between first pole of output signal and the second pole simultaneously
It is associated with filter circuit；Valve closes activate switch, valve closes driving switch, valve closes auxiliary switch, valve closes pull down resistor and adopts
Same circuit connecting mode accesses the control circuit of water meter valve.
Specifically, MOTOR_O, MOTOR_C are respectively open and close valve and put in place detection input pin, MOTO_O_CTR, MOTO_C_
CTR is respectively open and close valve and drives output pin.When system needs to open water meter valve, MOTO_O_CTR output high level drives
Dynamic signal, MOTOR_O real-time detection puts in place signal.When low level signal is detected then it represents that valve opening puts in place, now
MOTO_O_CTR exports low level signal, stops the driving of Open valve.When system needs to close water meter valve, MOTO_C_
CTR exports high level drive signal, and MOTOR_C real-time detection puts in place signal.When low level signal is detected then it represents that valve is opened
Open and put in place, now MOTO_C_CTR output low level signal, the driving of phase down valve.
It is illustrated in figure 7 the circuit theory diagrams of photo-electronic directly reading circuit of the present utility model：LEDX is light emitting diode and light
The driving pin of electric reception pipe, EN_RX is the enable pin of light emitting diode, and ADX draws for the collection of photoelectric receiving tube conducting electric current
Pin.When carrying out photoelectricity collection, LEDX exports high level, and EN_RX enables output low level, so that light emitting diode is lighted luminous, with
When ADX gather the conduction amount that affect in reception pipe of light, after having collected smooth conduction amount, closing light emitting diode.When system is copied
When reading the water meter number of degrees, open and close luminous tube, collect corresponding smooth conduction amount, to obtain the number of degrees of current water meter.
Claims (8)
1. a kind of electric-control system of wired remote transmission valve control photoelectric direct-reading water meter, including controller, communication module, communication interface, electricity
Source module, photoelectric direct reading module and valve control module are it is characterised in that controller only has chip piece；Communication module, power supply
Module, valve control module and photoelectric direct reading module are all connected with controller, and communication module passes through communication interface and external connection
And communication；Power module passes through communication interface and obtains power supply from outside.
2. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 1 is it is characterised in that described
Model MEGA16D4 of controller.
3. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 1 is it is characterised in that described
Communication module is M-BUS communication module.
4. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 1 is it is characterised in that described
M-BUS communication module is connected by serial ports with controller.
5. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 4 is it is characterised in that described
M-BUS communication module is the M-BUS telecommunication circuit of the chip composition of model DTS521.
6. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 1 is it is characterised in that described
Power module is the power circuit of the chip composition of model LM507.
7. the wired remote transmission valve control photoelectric direct-reading water meter according to one of claim 1 ~ 6 electric-control system it is characterised in that
Described valve controling circuit includes the dynamic switch of valve opening, valve opens driving switch, valve closes activate switch, valve closes and drives
Switch, filter circuit, valve leave pull down resistor, valve closes pull down resistor, valve drives auxiliary switch and valve closes auxiliary switch；Valve
The control end that door opens activate switch connects controller, and armature contact one end connecting valve that valve opening moves switch opens driving switch
Control end, the other end opens current-limiting resistance connecting valve by valve and opens the control end of auxiliary switch and connect, and valve opens auxiliary and open
The movable end one end closed is connected to ground, and the other end is the first pole of output signal, valve open movable end one end of driving switch with
Positive source connects, and the other end is the second pole of output signal；It is parallel with filtering between first pole of output signal and the second pole
Circuit；Valve closes activate switch, valve closes driving switch, valve closes auxiliary switch, valve closes pull down resistor and adopts same electricity
Road connected mode accesses the control circuit of water meter valve.
8. the electric-control system of wired remote transmission valve control photoelectric direct-reading water meter according to claim 1 is it is characterised in that described
Photoelectric direct reading module is the photo-electronic directly reading circuit including light emitting diode and photoelectric receiving tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872280.XU CN205958995U (en) | 2016-08-12 | 2016-08-12 | Wired teletransmission valve accuse direct - reading photoelectric water meter's electrical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872280.XU CN205958995U (en) | 2016-08-12 | 2016-08-12 | Wired teletransmission valve accuse direct - reading photoelectric water meter's electrical system |
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| CN205958995U true CN205958995U (en) | 2017-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240847A (en) * | 2018-01-25 | 2018-07-03 | 宁波水表股份有限公司 | A kind of light button with communication function and the intellectual water meter with light button |
-
2016
- 2016-08-12 CN CN201620872280.XU patent/CN205958995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240847A (en) * | 2018-01-25 | 2018-07-03 | 宁波水表股份有限公司 | A kind of light button with communication function and the intellectual water meter with light button |
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