CN107543589A - Metering device - Google Patents
Metering device Download PDFInfo
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- CN107543589A CN107543589A CN201710431457.1A CN201710431457A CN107543589A CN 107543589 A CN107543589 A CN 107543589A CN 201710431457 A CN201710431457 A CN 201710431457A CN 107543589 A CN107543589 A CN 107543589A
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Abstract
Metering device, under the situation for such as continuing to send contact signal from instrument, it is reset also not perform even if installation's power source and counts up, it is thus possible to realize the improvement of usability.When in contacts status storage with the contacts status stored in memory from the case that "off" is changed into " on ", when the contacts status for being only limitted to store in additional storage is "off", counted up to being performed in count value storage with the count value stored in memory.
Description
Technical field
The meterings pair such as measurement combustion gas, running water can be remotely obtained the present invention relates to the scene for being provided with instrument need not be gone to
The metering device of the instrument value of the instrument of the usage amount of elephant.
Background technology
Making for the metering objects such as measurement combustion gas, running water can be remotely obtained as the scene for being provided with instrument need not be gone to
The metering device of the instrument value of the instrument of dosage, proposed kinds of schemes in the past (for example, referring to patent document 1).In addition, conduct
One of this metering device, the quantity of the pulse sent by the instrument of the usage amount to measuring object from measurement are carried out
Count and the metering device of the usage amount of metering object can be estimated.
【Patent document】
【Patent document 1】Japanese Unexamined Patent Application 60-104267 publications
The content of the invention
Problems to be solved by the invention
Here, for the difference between clear and definite metering device of the invention and the metering device for applying prior art, ginseng
Illustrate the metering device using prior art according to Fig. 3 and Fig. 4.
Fig. 3 is the structure chart for showing the metering system with the metering device 20 for applying prior art.Fig. 3 metering system
System has：Instrument 10, it measures the usage amount of the metering object such as combustion gas, running water；And metering device 20, it is to from instrument 10
The quantity of the pulse of transmission is counted.
Instrument 10 has：Meter body 11, it measures the usage amount of metering object；And switch 12, it is by reed switch
(reed switch) etc. is formed, and is switched to connect (ON) by meter body 11 and is disconnected (OFF).
Meter body 11 is configured to include the rotary body for being flowed through and being rotated due to metering object and is installed on the rotary body
Magnet, whenever the metering object of ormal weight is flowed through, switch 12 is connected and is sent the pulse as contact signal.Switching
In the case that 12 contacts status is to turn on, contact signal is sent from instrument 10, is the feelings disconnected in the contacts status of switch 12
Under condition, contact signal is not sent from instrument 10.
The process circuit such as the CPU and system LSI by performing the program of storage in memory of metering device 20 is Lai real
It is existing.In addition, metering device 20 has：Acceptance division 21, it receives the contact signal sent from instrument 10；Count section 22, it is performed
Count up；Memory 23 is used in contacts status storage, and it stores the contacts status of the switch 12 of instrument 10；And count value storage
With memory 24, it stores the count value after count section 22 is counted up.
Contacts status storage is by the use of memory 23 using any one party in " on " and "off" as according to metering object
The contacts status that usage amount sends the switch 12 of the instrument 10 of contact signal is stored.
Acceptance division 21 will be deposited during contact signal is received from instrument 10 in contacts status storage with memory 23
The contacts status of storage is set to " on ", during contact signal is not received from instrument 10, will be stored in contacts status with depositing
The contacts status stored in reservoir 23 is set to "off".
So, acceptance division 21 receives the contact signal from instrument 10 according to whetheing there is, and will be stored in contacts status with depositing
The contacts status stored in reservoir 23 is set to any one party in " on " and "off".
Also, acceptance division 21 is configured to, in the case where the installation's power source of metering device 20 is reset, come from structure
Say, by after contacts status storage is set to "off" for the time being with the contacts status stored in memory 23, received according to whetheing there is
Contact signal from instrument 10, update in contacts status storage with the contacts status stored in memory 23.
Count section 22 reads contacts status storage memory 23, and monitors and deposited in contacts status storage with memory 23
The change of the contacts status of storage.Also, become when in contacts status storage with the contacts status stored in memory 23 from "off"
In the case of turning to " on ", count section 22 reads the current count value stored in count value storage memory 24, from this
Count value plays execution and counted up, and the newest count value after counting up is stored in count value storage memory 24.
So, when contacts status storage with the contacts status stored in memory 23 from "off" become turn to " on "
In the case of, count section 22 counts up to being performed in count value storage with the count value stored in memory 24, will count up
Count value afterwards is stored in count value storage memory 24 and is updated again.
Here, it is configured to be shown in count value storage with the counting stored in memory 24 by display device (not shown)
Value, it is thus possible to confirm the count value, even if not going to the scene for being provided with instrument 10, can also be grasped and counted according to the count value
Measure the usage amount of object.
Below, the action counted up is performed on applying the metering device 20 of prior art, reference picture 4 is said
It is bright.Fig. 4 is for illustrating that Fig. 3 metering device 20 performs the explanation figure of the action counted up.
As shown in figure 4, if acceptance division 21 switches to connection and from instrument 10 by the contacts status of switch 12 from disconnection
Contact signal is received, then will be rewritten as " connecing from "off" with the contacts status stored in memory 23 in contacts status storage
It is logical ".Also, due to being changed into " on " from "off" with the contacts status stored in memory 23 in contacts status storage, thus
Count section 22 is performed plus 1 counts up, and the count value after this is counted up is stored in count value storage memory 24.
Here, in the case where the contacts status of switch 12 is to turn on, the use for measuring object stops, and metering object is no longer
Meter body 11 is flowed through, from structure, 12 states for maintaining to connect are switched as shown in the figure, as a result, continuing from instrument 10
Send contact signal.
When reset apparatus power supply under the condition as mentioned above, acceptance division 21 will be in contacts status storage memory 23
After the contacts status of middle storage is set to "off" for the time being, it will be set in contacts status storage with the contacts status stored in memory 23
For " on ", the contact signal from instrument 10 is received to reflect.
On the other hand, be reset in installation's power source, acceptance division 21 by contacts status storage with storing in memory 23
When contacts status is set to "off" for the time being, if not receiving contact signal from instrument 10, make in contacts status storage with depositing
The contacts status stored in reservoir 23 maintains "off".
So, acceptance division 21 will be deposited in the case where installation's power source is reset in contacts status storage with memory 23
After the contacts status of storage is set to "off" for the time being, the contact signal from instrument 10 is received according to whetheing there is, is updated in contact shape
State storage is with the contacts status stored in memory 23.
In the case where acceptance division 21 carries out this action, count section 22 is thought in contacts status storage memory 23
The contacts status of storage is changed into " on " from "off", and performs and count up.
That is, counted up although should not perform originally, because installation's power source is reset, and cause to perform upwards
Count, as a result, the count value of mistake is stored in count value storage memory 24.
In this case, because the count value according to mistake calculates the usage amount of metering object, thus cannot recognize that
The correct usage amount of object is measured, and then in the case where being collected the charges according to the usage amount of metering object, produces mistake and receives
Take.
So, the metering device of prior art is applied under the situation for such as continuing to send contact signal from instrument,
It when installation's power source is reset, will cause mistakenly to perform to count up, thus the problem of usability is poor be present.
Therefore, in the metering device of the present invention, improved structure is passed through so that such as continuing to send contact letter from instrument
Number situation under, counted up even also not performed when installation's power source is reset, realize the improvement of usability.
The present invention precisely in order to solve the above problems and complete, its object is to, there is provided it is a kind of to continue to send out from instrument
Send under the situation of contact signal, counted up even installation's power source is reset also not perform, it is thus possible to realize usability
Improved metering device.
The means used to solve the problem
The metering device of the present invention has：Contacts status storage memory, it stores times in " on " and "off"
Anticipate contacts status of the side as the switch of instrument, the instrument sends contact signal according to the usage amount of metering object；Count value
Storage memory, its stored count value；Acceptance division, it receives the contact signal from instrument according to whetheing there is, will be
Contacts status storage is set to any one party in " on " and "off" with the contacts status stored in memory；And count
Portion, when in contacts status storage with the contacts status stored in memory from the case that "off" is changed into " on ", the counting
Portion is counted up to being performed in count value storage with the count value stored in memory, and the count value after counting up is deposited again
In count value storage memory, acceptance division will be deposited when installation's power source is reset in contacts status storage with memory for storage
After the contacts status of storage is set to the "off" for the time being, the contact signal from instrument is received according to whetheing there is, is updated in contact
State storage with the contacts status stored in memory, wherein, metering device also has appointing in storage " on " and "off"
Anticipate additional storage of the side as contacts status, count section when in contacts status storage with the contacts status stored in memory
In the case that "off" is changed into " on ", the contacts status stored in additional storage is set to " on ", when in contact
State storage, from the case that " on " is changed into "off", will be deposited with the contacts status stored in memory in additional storage
The contacts status of storage is set to "off", count section when in contacts status storage with the contacts status stored in memory from "off"
Perform and count up in the case of being changed into " on ", when the contacts status for being only limitted to store in additional storage is "off".
Invention effect
Even if in accordance with the invention it is possible to obtain continuing to be reset from installation's power source under the situation of instrument transmission contact signal
The metering device that counts up thus can improve usability is not performed yet.
Brief description of the drawings
Fig. 1 is the structure chart for showing to have the metering system of the metering device of embodiments of the present invention 1.
Fig. 2 is for illustrating that Fig. 1 metering device performs the explanation figure of the action counted up.
Fig. 3 is the structure chart for showing the metering system with the metering device for applying prior art.
Fig. 4 is for illustrating that Fig. 3 metering device performs the explanation figure of the action counted up.
Label declaration
10 instrument；11 meter bodies；12 switches；20 metering devices；21 acceptance divisions；22 count sections；23 contacts status store
Use memory；24 count value storage memories；25 additional storages.
Embodiment
Below, with reference to the metering device of preferred embodiment and the utilization brief description of the drawings present invention.In addition, in the explanation of accompanying drawing
In, identical label is marked to identical part or suitable part, and omit repeat specification.
Embodiment 1
Below, reference picture 1 and Fig. 2 illustrate the metering device 20 of present embodiment 1.In addition, in present embodiment 1, save
Slightly with the explanation of the above-mentioned metering device identical content for applying prior art, with apply prior art metering fill
Put and illustrate centered on different contents.
Fig. 1 is the structure chart of the metering system for the metering device 20 for showing to have embodiments of the present invention 1.Fig. 1 meter
Amount system has instrument 10 and metering device 20, and instrument 10 has meter body 11 and switch 12, and metering device 20, which has, to be received
Portion 21, count section 22, contacts status storage memory 23, count value storage memory 24 and storage instrument 10 are opened
Close the additional storage 25 of 12 contacts status.
Additional storage 25 stores contact shape of any one party as the switch 12 of instrument 10 in " on " and "off"
State.
Count section 22 reads contacts status storage memory 23, and monitors and deposited in contacts status storage with memory 23
The change of the contacts status of storage.
When in contacts status storage with the contacts status stored in memory 23 from the case that "off" is changed into " on ",
The contacts status stored in additional storage 25 is set to " on " by count section 22.
That is, when the situation for being changed into " on " from "off" with the contacts status stored in memory 23 in contacts status storage
Under, if the contacts status stored in additional storage 25 is "off", the contacts status is rewritten as " connecing by count section 22
It is logical ", and if the contacts status stored in additional storage 25 is " on ", then the contacts status is maintained the shape of " on "
State.
In addition, when the feelings for being changed into "off" from " on " with the contacts status stored in memory 23 in contacts status storage
Under condition, the contacts status stored in additional storage 25 is set to "off" by count section 22.
That is, when the situation for being changed into "off" from " on " with the contacts status stored in memory 23 in contacts status storage
Under, if the contacts status stored in additional storage 25 is " on ", the contacts status is rewritten as " disconnected by count section 22
Open ", and if the contacts status stored in additional storage 25 is "off", then the contacts status is maintained the shape of "off"
State.
When in contacts status storage with the contacts status stored in memory 23 from the case that "off" is changed into " on ",
If the contacts status stored in additional storage 25 is "off", count section 22 is performed and counted up.
On the other hand, even being changed into contacts status storage with the contacts status stored in memory 23 from "off"
In the case of " on ", if the contacts status stored in additional storage 25 is " on ", count section 22 does not also perform
Count up.
So, when the feelings for being changed into " on " from "off" with the contacts status stored in memory 23 in contacts status storage
Under condition, when the contacts status for being only limitted to store in additional storage 25 is "off", count section 22 is performed and counted up.
Below, the metering device 20 on present embodiment 1 performs the action counted up, and reference picture 2 illustrates.Figure
2 be for illustrating that Fig. 1 metering device 20 performs the explanation figure of the action counted up.
As shown in Fig. 2 in moment t1, connection is switched to from disconnection by the contacts status of switch 12, acceptance division 20 is from instrument
Table 10 receives contact signal, thus will be rewritten in contacts status storage with the contacts status stored in memory 23 from "off"
For " on ".
In moment t1, with the contacts status stored in memory 23 be changed into " on " from "off" in contacts status storage and
And the contacts status stored in additional storage 25 is "off", thus count section 22 is performed and counted up.
Also, in moment t1, it is changed into " connecing from "off" with the contacts status stored in memory 23 in contacts status storage
It is logical ", thus count section 22 after the time tl at the time of, the contacts status stored in additional storage 25 is set to " connect
It is logical ".
In moment t2, connection is switched to from disconnection by the contacts status of switch 12, acceptance division 21 no longer connects from instrument 10
Contact signal is received, thus will be rewritten as " breaking from " on " with the contacts status stored in memory 23 in contacts status storage
Open ".
In moment t2, it is changed into "off" from " on " with the contacts status stored in memory 23 in contacts status storage,
Thus count section 22 after the time t 2 at the time of, the contacts status stored in additional storage 25 is set to "off".
In moment t3, connection is switched to from disconnection by the contacts status of switch 12, acceptance division 21 receives from instrument 10
Contact signal, thus " on " will be rewritten as from "off" with the contacts status stored in memory 23 in contacts status storage.
In moment t3, contacts status storage with the contacts status stored in memory 23 from "off" be changed into " on " and
The contacts status stored in additional storage 25 is "off", thus count section 22 is performed and counted up.
Also, in moment t3, it is changed into " connecing from "off" with the contacts status stored in memory 23 in contacts status storage
It is logical ", thus count section 22 after t 3 at the time of, the contacts status stored in additional storage 25 is set to " connect
It is logical ".
Here, from moment t3, as Fig. 4 above, in the case of being to turn in the contacts status of switch 12, meter
The use for measuring object stops, and when metering object is no longer flow through meter body 11, from structure, switchs 12 as shown in the figure and maintains to connect
Logical state, as a result, continuing to send contact signal from instrument 10.
When installation's power source is reset under the condition as mentioned above, as described above, acceptance division 21 will store in contacts status
After being set to "off" for the time being with the contacts status stored in memory 23, by contacts status storage with storing in memory 23
Contacts status is set to " on ", to reflect the reception of the contact signal from instrument 10.
But in the metering device 20 of present embodiment 1, be configured to as described above with additional storage 25, and
Action to count section 22 is improved, thus is not performed and counted up by what count section 22 was carried out.
That is, although as shown in Fig. 2 being changed into contacts status storage with the contacts status stored in memory 23 from "off"
" on ", but because the contacts status stored in additional storage 25 is " on ", thus count section 22 does not perform upwards
Count.
Therefore, it is different from applying the metering device of prior art, under the situation for continuing to send contact signal from instrument,
Even if installation's power source is reset, it also will not mistakenly perform and count up.
In addition, in present embodiment 1, setting corresponding 1 instrument 10 and 1 metering device 20 one to one are illustrated
To form the situation of metering system, but not limited to this, can also set N groups (N be more than 2 integer) by including one to one
Corresponding 1 instrument 10 and the group of 1 metering device 20 form metering system.
Alternatively, it is also possible to set N platforms instrument 10 and 1 metering device 20 to form metering system.In this case, count
Amount device 20 is configured to manage count value according to every instrument 10.
Present embodiment 1 in accordance with the above is configured to, when in contacts status storage with the contact stored in memory
State is from the case that "off" is changed into " on ", when the contacts status for being only limitted to store in additional storage is "off",
Counted up to being performed in count value storage with the count value stored in memory.
Therefore, under the situation for such as continuing to send contact signal from instrument, it is reset even if installation's power source and does not also perform
Count up, it is thus possible to realize the improvement of usability.In addition, in the prior art, by perform mistake count up and
Obtained count value is wrong, needs to carry out the adjustment such as the reading check and correction operation of instrument, the pre-adjusting operation of instrument therewith
Operation, and in the present invention, due to correct count value can be obtained, it is thus possible to operation as omission.
Claims (1)
1. a kind of metering device, the metering device has：
Contacts status storage memory, it stores contact of any one party as the switch of instrument in " on " and "off"
State, the instrument send contact signal according to the usage amount of metering object；
Count value storage memory, its stored count value；
Acceptance division, its basis, which whether there is, receives the contact signal from the instrument, will store and use in the contacts status
The contacts status stored in memory is set to any one party in the " on " and the "off"；And
Count section, it is changed into when in the contacts status storage with the contacts status stored in memory from the "off"
In the case of " on ", the count section with the count value stored in memory in the count value storage to performing meter upwards
Number, the count value after described count up is stored in the count value storage memory again,
The acceptance division when installation's power source is reset by the contacts status storage with the contact stored in memory
After state is set to the "off" for the time being, the contact signal from the instrument is received according to whetheing there is, is updated described
Contacts status storage with the contacts status stored in memory, wherein,
The metering device also has any one party in the storage " on " and the "off" as the contacts status
Additional storage,
The count section is worked as to be become in the contacts status storage with the contacts status stored in memory from the "off"
In the case of for the " on ", the contacts status stored in the additional storage is set to the " on ", when
It is changed into the feelings of the "off" from the " on " with the contacts status stored in memory in the contacts status storage
Under condition, the contacts status stored in the additional storage is set to the "off",
The count section is worked as to be become in the contacts status storage with the contacts status stored in memory from the "off"
In the case of for " on ", the contacts status for being only limitted to store in the additional storage performs when being the "off"
It is described to count up.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-124412 | 2016-06-23 | ||
| JP2016124412A JP6373305B2 (en) | 2016-06-23 | 2016-06-23 | Weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543589A true CN107543589A (en) | 2018-01-05 |
| CN107543589B CN107543589B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710431457.1A Active CN107543589B (en) | 2016-06-23 | 2017-06-09 | Metering device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6373305B2 (en) |
| CN (1) | CN107543589B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD255402A1 (en) * | 1986-12-22 | 1988-03-30 | Freiberg Brennstoffinst | CIRCUIT ARRANGEMENT FOR COUNT RATE MEASUREMENT |
| JP2000235052A (en) * | 1999-02-16 | 2000-08-29 | Mitsubishi Electric Corp | Pulse counter and pulse counting method |
| JP2001165747A (en) * | 1999-12-14 | 2001-06-22 | Matsushita Electric Ind Co Ltd | Gas shutoff apparatus |
| CN2442244Y (en) * | 2000-09-21 | 2001-08-08 | 马钢(集团)控股有限公司规划设计研究院 | Double dry-reed flow sensor of water meter |
| CN1911658A (en) * | 2005-08-08 | 2007-02-14 | 小森公司 | Abnormal state determination method and apparatus |
| CN101063687A (en) * | 2006-04-28 | 2007-10-31 | 株式会社东芝 | Metrical instrument |
| CN101223422A (en) * | 2005-06-03 | 2008-07-16 | 罗斯蒙特雷达液位股份公司 | Energy storage in a radar level gauge |
| JP2011089829A (en) * | 2009-10-21 | 2011-05-06 | Tokyo Gas Co Ltd | Gas meter |
| CN102323565A (en) * | 2011-08-09 | 2012-01-18 | 华立仪表集团股份有限公司 | A kind of electric energy measurement instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4970646A (en) * | 1972-11-08 | 1974-07-09 | ||
| JPS63148752A (en) * | 1986-12-11 | 1988-06-21 | Hitachi Heating Appliance Co Ltd | Automatic communication equipment |
| GB2257522B (en) * | 1991-07-06 | 1995-03-22 | Wessex Electronics Consultants | Utility meters |
| JP3019938B2 (en) * | 1994-03-11 | 2000-03-15 | 株式会社日立画像情報システム | Water treatment equipment |
| JPH10134291A (en) * | 1996-10-31 | 1998-05-22 | Ricoh Elemex Corp | Voltage pulse converting repeater for remote water supply meter-reading |
-
2016
- 2016-06-23 JP JP2016124412A patent/JP6373305B2/en active Active
-
2017
- 2017-06-09 CN CN201710431457.1A patent/CN107543589B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD255402A1 (en) * | 1986-12-22 | 1988-03-30 | Freiberg Brennstoffinst | CIRCUIT ARRANGEMENT FOR COUNT RATE MEASUREMENT |
| JP2000235052A (en) * | 1999-02-16 | 2000-08-29 | Mitsubishi Electric Corp | Pulse counter and pulse counting method |
| JP2001165747A (en) * | 1999-12-14 | 2001-06-22 | Matsushita Electric Ind Co Ltd | Gas shutoff apparatus |
| CN2442244Y (en) * | 2000-09-21 | 2001-08-08 | 马钢(集团)控股有限公司规划设计研究院 | Double dry-reed flow sensor of water meter |
| CN101223422A (en) * | 2005-06-03 | 2008-07-16 | 罗斯蒙特雷达液位股份公司 | Energy storage in a radar level gauge |
| CN1911658A (en) * | 2005-08-08 | 2007-02-14 | 小森公司 | Abnormal state determination method and apparatus |
| CN101063687A (en) * | 2006-04-28 | 2007-10-31 | 株式会社东芝 | Metrical instrument |
| JP2011089829A (en) * | 2009-10-21 | 2011-05-06 | Tokyo Gas Co Ltd | Gas meter |
| CN102323565A (en) * | 2011-08-09 | 2012-01-18 | 华立仪表集团股份有限公司 | A kind of electric energy measurement instrument |
Non-Patent Citations (1)
| Title |
|---|
| 郭金光: "罐群参量分布式光纤检测系统研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017227553A (en) | 2017-12-28 |
| JP6373305B2 (en) | 2018-08-15 |
| CN107543589B (en) | 2020-08-14 |
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