CN208026334U - A kind of adaptive power saving tongue tube pulsed counting device - Google Patents
A kind of adaptive power saving tongue tube pulsed counting device Download PDFInfo
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- CN208026334U CN208026334U CN201820416033.8U CN201820416033U CN208026334U CN 208026334 U CN208026334 U CN 208026334U CN 201820416033 U CN201820416033 U CN 201820416033U CN 208026334 U CN208026334 U CN 208026334U
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- tongue tube
- control circuit
- oxide
- semiconductor
- metal
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 32
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 238000013480 data collection Methods 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 239000007789 gas Substances 0.000 description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model provides a kind of adaptive power saving tongue tube pulsed counting device, including a current-limiting resistance, a tongue tube pulse counter, a metal-oxide-semiconductor and a control circuit, the first end of current-limiting resistance connects a power supply input terminal, the second end of first end connection current-limiting resistance of tongue tube pulse counter and the one of control circuit read metrical pulse data collection terminal, the drain electrode of a read states monitoring mark collection terminal and metal-oxide-semiconductor of the second end connection control circuit of tongue tube pulse counter；The one of the grid connection control circuit of metal-oxide-semiconductor writes control bit output end, and the source electrode of metal-oxide-semiconductor connects a ground terminal.A kind of adaptive power saving tongue tube pulsed counting device of the utility model, can automatic identification tongue tube pulsimeter measuring device state, automatically switch back into battery saving mode, restore quantitative model automatically, leakage current is not will produce, have the advantages that power and energy saving and gas meter, flow meter service life can be substantially improved.
Description
Technical field
The utility model is related to the metering device field of right gas more particularly to a kind of adaptive power saving tongue tube pulsed meters
Counting apparatus.
Background technology
In recent years, with the popularization and application of natural gas, universal range and number are comparatively fast developed.The metering of natural gas
It is continued to develop also with the extensive use of natural gas.Gas meter, flow meter becomes indispensable one between connection gas company and user
Ring, stability and accuracy are most important.Battery is also one of the factor for limiting gas meter, flow meter and further developing simultaneously.Gas meter, flow meter
Industry never stopped the pursuit of low-power consumption, power saving.
Fig. 1 is referred to, tongue tube pulsed counter is mainly by mechanical counter and tongue tube pulse-scaling circuit two
It is grouped as.Core components one of of the tongue tube pulsed counter D1 as gas meter, flow meter counts reliability and metering power consumption then
It is two important indicators for weighing its performance.For mechanical counter since it is machinework, life cycle is usually all million times
More than, while the rotational energy of its character wheel derives from the drive of gas meter, flow meter epithelium chamber, therefore its reliability is guaranteed, to electricity
The consumption of energy is even more to have reached surprising zero.And tongue tube pulse-scaling circuit is mainly by tongue tube pulsed counter D1 and outer
Enclose circuit composition.Tongue tube pulsed counter D1 is a kind of special key of magnetosensitive, due to Operation switch volume very little, thus
Without complicated cam or crank virtually limitless service life is ensure that so being not in metal fatigue phenomenon, so its
Reliability can ensure.Certainly it over gas meter, flow meter industry nearly twenty or thirty year, and is used in this, as metering always.Normal
When communication metering, since the rotation of its character wheel is turned around, tongue tube pulsed counter D1 is just attracted once, and overall power is also to meet
Demand.But but there are one fatal disadvantages for reed switch circuit, when gas meter, flow meter gas stops, the character wheel with magnet is just
When being parked in tongue tube actuation region, tongue tube pulsed counter D1 is attracted, and will produce leakage current over the ground, about 7.7uA.By
In normal home it is main with the gas time be three meals in a day when, when once with gas stop to next time again use gas when, lead to
Several hours are all often spent, therefore whole through calculating because the useless electricity for being attracted consumption of tongue tube pulsed counter D1 is also
Surprising.
Invention content
Deficiency in for the above-mentioned prior art, the utility model provide a kind of adaptive power saving tongue tube pulsed counting
Device, can automatic identification tongue tube pulsimeter measuring device state, automatically switch back into battery saving mode, restore quantitative model automatically, no
Leakage current is will produce, have the advantages that power and energy saving and gas meter, flow meter service life can be substantially improved.
To achieve the goals above, the utility model provides a kind of adaptive power saving tongue tube pulsed counting device, packet
Include a current-limiting resistance, a tongue tube pulse counter, a metal-oxide-semiconductor and a control circuit, the first end connection of the current-limiting resistance
The first end of one power supply input terminal, the tongue tube pulse counter connects the second end of the current-limiting resistance and the control
The one of circuit processed reads metrical pulse data collection terminal, and the second end of the tongue tube pulse counter connects the control circuit
The drain electrode of one read states monitoring mark collection terminal and the metal-oxide-semiconductor；What the grid of the metal-oxide-semiconductor connected the control circuit one writes
The source electrode of control bit output end, the metal-oxide-semiconductor connects a ground terminal；The control circuit is used for according to the reading metrical pulse number
Switching off and on for the MOS pipes is controlled according to the level signal of collection terminal and read states monitoring mark collection terminal, realizes institute
State the adaptive switching that tongue tube pulse counter saves dot pattern and quantitative model.
Preferably, the control circuit includes a MCU controllers, described in the reading metrical pulse data collection terminal connection
One the oneth I/O control mouths of MCU controllers, the read states monitoring mark collection terminal connect the one second of the MCU controllers
I/O control mouths, one the 3rd I/O control mouths write control bit output end and connect the MCU controllers.
Preferably, the control circuit further includes a crystal oscillating circuit, and the crystal oscillating circuit connects the MCU controllers
Clock crystal oscillator pin.
Preferably, the MCU controllers are by connecting a cell voltage input terminal.
Preferably, further include one first filter capacitor, first filter capacitor is connected to the second of the current-limiting resistance
Between end and the ground terminal.
Preferably, further including a filter circuit, the filter circuit includes the second filter capacitor of multiple parallel connections, and described
Two filter capacitors are connected between the cell voltage input terminal and the ground terminal.
The utility model makes it have following advantageous effect as a result of above technical scheme：
The cooperation of metal-oxide-semiconductor, control circuit, reading metrical pulse data collection terminal and read states monitoring mark collection terminal realizes
The shutdown of metal-oxide-semiconductor is controlled according to the level signal for reading metrical pulse data collection terminal and read states monitoring mark collection terminal and is led
It is logical, realize that tongue tube pulse counter saves the adaptive switching of dot pattern and quantitative model, energy saving, high degree of automation.
Crystal oscillating circuit provides clock for circuit in order to control.First filter capacitor and filter circuit are used to filter out the dry of corresponding power input
It disturbs.
Description of the drawings
Fig. 1 is existing tongue tube metering circuit；
Fig. 2 is a kind of main body circuit knot of adaptive power saving tongue tube pulsed counting device of the utility model embodiment
Structure schematic diagram；
Fig. 3 is the circuit diagram of the crystal oscillating circuit of the utility model embodiment；
Fig. 4 is the circuit diagram of the filter circuit of the utility model embodiment；
Fig. 5 is the flow chart of the adaptive tongue tube pulsed counter operation method of the utility model embodiment.
Specific implementation mode
Below according to 2~Fig. 5 of attached drawing, the preferred embodiment of the utility model is provided, and is described in detail, is enabled more preferable
Ground understands the function of the utility model, feature.
Please refer to Fig. 2~Fig. 4, a kind of adaptive power saving tongue tube pulsed counting device of the utility model embodiment,
Including a current-limiting resistance R0, a tongue tube pulse counter D1, a metal-oxide-semiconductor S1 and a control circuit 1, the first of current-limiting resistance R0
The second end of the first end connection current-limiting resistance R0 of end connection one power supply input terminal Vin, tongue tube pulse counter D1 and
The one of control circuit 1 reads metrical pulse data collection terminal 2, the second end connection control circuit 1 of tongue tube pulse counter D1
The drain electrode of one read states monitoring mark collection terminal 3 and metal-oxide-semiconductor S1；It is defeated that the one of the grid connection control circuit 1 of metal-oxide-semiconductor writes control bit
The source electrode of outlet 4, metal-oxide-semiconductor S1 connects a ground terminal GND；Control circuit 1 is used for according to reading metrical pulse data collection terminal 2 and reads
The level signal control MOS pipes S1's of status monitoring mark collection terminal 3 switches off and on, and realizes tongue tube pulse counter D1
Save the adaptive switching of dot pattern and quantitative model.
Metal-oxide-semiconductor S1, control circuit 1, the cooperation for reading metrical pulse data collection terminal 2 and read states monitoring mark collection terminal 3
It realizes according to the level signal control metal-oxide-semiconductor S1's for reading metrical pulse data collection terminal 2 and read states monitoring mark collection terminal 3
It switches off and on, realizes that tongue tube pulse counter D1 saves the adaptive switching of dot pattern and quantitative model.
Control circuit 1 includes a MCU controllers 11, reads metrical pulse data collection terminal 2 connects MCU controllers 11 one
First I/O control mouths (Input/Output input/output ports) PE2, read states monitoring mark collection terminal 3 connect MCU controllers 11
One the 2nd I/O control mouths (Input/Output input/output ports) PE1, write control bit output end 4 and connect MCU controllers 11
One the 3rd I/O control mouths (Input/Output input/output ports) PE0.
Control circuit 1 further includes a crystal oscillating circuit 12, and crystal oscillating circuit 12 connects the clock crystal oscillator pin of MCU controllers 11
PC14-OSC32_IN,PC15-OSC32_OUT.Crystal oscillating circuit 12 provides clock for circuit 1 in order to control.
In the present embodiment, MCU controllers 11 are by connecting a cell voltage input terminal VBAT.
Further include that one first filter capacitor C0, the first filter capacitor C0 is connected to the second end and ground terminal of current-limiting resistance R0
Between GND.
Further include a filter circuit 13, filter circuit 13 includes the second filter capacitor C3 of multiple parallel connections, the second filtered electrical
Hold C3 to be connected between cell voltage input terminal and ground terminal GND.First filter capacitor C0 and filter circuit 13 are for filtering
Except the interference of corresponding power input.
A kind of operation principle of adaptive power saving tongue tube pulsed counting device of the present embodiment is as follows：
1, it when tongue tube pulse counter D1 is worked normally, writes control bit output end 4 and enables, the S1 conductings of MOS pipes, this
When whole system it is consistent with existing tongue tube pulse counter circuit function.
2, when gas meter, flow meter gas stops, when the character wheel with magnet is just parked in tongue tube actuation region, MCU is controlled at this time
The reading metrical pulse data that device 11 processed reads the acquisition of metrical pulse data collection terminal 2 are low level, the read states prison read
The read states monitoring mark data that mark knows collection terminal 3 is also low level.When (preset time is according to combustion gas after preset time
The flow of table and ordinary user are accustomed to determining, be traditionally arranged to be 10 to 30 minutes with gas), metrical pulse data are read again and read shape
State monitors mark data, and when it is low level still to read all, MCU controllers 11 can automatically identify the character wheel with magnet
It has been parked in the actuation region of tongue tube.
3, the operation that MCU controllers 11 are made by writing control bit output end 4 at this time turns off metal-oxide-semiconductor S1, reads again reading
Status monitoring mark data.The value of the mark data of read states monitoring at this time is high level.Although tongue tube is under the action of magnet
Still it is closed, but since the access on tongue tube pulse counter D1 to ground is disconnected by metal-oxide-semiconductor S1, not will produce electric leakage at this time
Stream.Adaptive power-save operation is reached.
4, when user reuses combustion gas next time, with the rotation of character wheel, the character wheel of carry magnet can be slowly from
The actuation region of tongue tube pulse counter D1 is opened, tongue tube pulse counter D1 is off-state by attracting state variation, extensive
It is multiple to be measured to be normal.Read states monitoring at this time identifies the disconnection due to tongue tube pulse counter D1, and reverts to low level,
MCU controllers 11 receive this level conversion information, will write control position high level again, and metal-oxide-semiconductor S1 is connected again.It is at this time
System state comes back at the 1st point, has accomplished that adaptive slave power down mode is switched to normal metering state.
Refer to Fig. 2 and Fig. 5, a kind of a kind of adaptive power saving tongue tube pulse based on the present embodiment of the utility model
The adaptive tongue tube pulsed counter operation method of formula counting device, including step：
S1：MCU controllers 11 obtain the reading metrical pulse data for reading 2 acquisition of metrical pulse data collection terminal and read shape in real time
The read states of state monitoring mark collection terminal 3 monitor mark data；
S2：MCU controllers 11 are according to the pass for reading metrical pulse data and read states monitoring mark data control metal-oxide-semiconductor S1
Disconnected and conducting, realizes the adaptive switching that dot pattern and quantitative model are saved to tongue tube pulse counter D1.
Wherein, S2 steps further comprise step：
S21：When reading metrical pulse data and read states monitoring mark data is all low level, start timing；
S22：When timing time reaches a preset time, judge to read metrical pulse data and read states monitoring mark at this time
Whether data are all low level, are such as to continue with subsequent step；
S23：MCU controllers 11 control metal-oxide-semiconductor S1 shutdowns by writing control bit output end 4；
S24：When reading metrical pulse data are in low level in high level and read states monitoring mark data, MCU controllers
11 control metal-oxide-semiconductor S1 conductings by writing control bit output end 4；
S25：Return to step S21.
A kind of a kind of adaptive power saving tongue tube pulsed counting device based on the present embodiment of the present embodiment it is adaptive
Tongue tube pulsed counter operation method is answered, by optimization to original tongue tube metering circuit and increases feedback control system
System increases a metal-oxide-semiconductor breaking circuit, while (reading metrical pulse data using two feedback control signals and read states are supervised
Survey mark data) current drain under improper metering communication to tongue tube pulse counter, and processing side is greatly lowered
Formula is adaptive, does not need additional other operations.In addition, calculating one kind based on the present embodiment of the present embodiment by statistics
Adaptive power saving tongue tube pulsed counting device and adaptive tongue tube pulsed counter operation method, can save 25%
System energy consumption, reduce demand to lithium battery capacity, under same battery capacity, can significantly promote gas meter, flow meter uses the longevity
Life, can preferably ensure the policy of 10 years lithium electricity of gas meter, flow meter.
The utility model is described in detail above in association with attached drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not be constituted to this practicality
Novel restriction, the utility model will be using the ranges that the appended claims define as the scope of protection of the utility model.
Claims (6)
1. a kind of adaptive power saving tongue tube pulsed counting device, which is characterized in that including a current-limiting resistance, a tongue tube arteries and veins
Counter, a metal-oxide-semiconductor and a control circuit are rushed, the first end of the current-limiting resistance connects a power supply input terminal, described dry
The first end of reed pipe pulse counter connects the second end of the current-limiting resistance and the one of the control circuit reads metrical pulse number
According to collection terminal, the second end of the tongue tube pulse counter connects the read states monitoring mark collection terminal of the control circuit
With the drain electrode of the metal-oxide-semiconductor；The grid of the metal-oxide-semiconductor connects the one of the control circuit and writes control bit output end, the metal-oxide-semiconductor
Source electrode connect a ground terminal；The control circuit is used to be supervised according to the reading metrical pulse data collection terminal and the read states
The level signal that mark knows collection terminal controls switching off and on for the metal-oxide-semiconductor, realizes that the tongue tube pulse counter saves a little
The adaptive switching of pattern and quantitative model.
2. a kind of adaptive power saving tongue tube pulsed counting device according to claim 1, which is characterized in that the control
Circuit processed includes a MCU controllers, one the oneth I/O controls read metrical pulse data collection terminal and connect the MCU controllers
Donsole, the read states monitoring mark collection terminal connects one the 2nd I/O control mouths of the MCU controllers, described to write control bit
Output end connects one the 3rd I/O control mouths of the MCU controllers.
3. a kind of adaptive power saving tongue tube pulsed counting device according to claim 2, which is characterized in that the control
Circuit processed further includes a crystal oscillating circuit, and the crystal oscillating circuit connects the clock crystal oscillator pin of the MCU controllers.
4. a kind of adaptive power saving tongue tube pulsed counting device according to claim 3, which is characterized in that described
MCU controllers are by connecting a cell voltage input terminal.
5. a kind of adaptive power saving tongue tube pulsed counting device according to claim 4, which is characterized in that further include
One first filter capacitor, first filter capacitor are connected between the second end of the current-limiting resistance and the ground terminal.
6. a kind of adaptive power saving tongue tube pulsed counting device according to claim 5, which is characterized in that further include
One filter circuit, the filter circuit include the second filter capacitor of multiple parallel connections, and second filter capacitor is connected to
Between the cell voltage input terminal and the ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416033.8U CN208026334U (en) | 2018-03-27 | 2018-03-27 | A kind of adaptive power saving tongue tube pulsed counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416033.8U CN208026334U (en) | 2018-03-27 | 2018-03-27 | A kind of adaptive power saving tongue tube pulsed counting device |
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| Publication Number | Publication Date |
|---|---|
| CN208026334U true CN208026334U (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820416033.8U Withdrawn - After Issue CN208026334U (en) | 2018-03-27 | 2018-03-27 | A kind of adaptive power saving tongue tube pulsed counting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489566A (en) * | 2018-03-27 | 2018-09-04 | 上海飞奥燃气设备有限公司 | Adaptive tongue tube pulsed counter system and operation method |
-
2018
- 2018-03-27 CN CN201820416033.8U patent/CN208026334U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489566A (en) * | 2018-03-27 | 2018-09-04 | 上海飞奥燃气设备有限公司 | Adaptive tongue tube pulsed counter system and operation method |
| CN108489566B (en) * | 2018-03-27 | 2024-03-15 | 上海飞奥燃气设备有限公司 | Self-adaptive reed pipe pulse counter system and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181030 Effective date of abandoning: 20240315 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181030 Effective date of abandoning: 20240315 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |