CN1289046A - Method of installing an on-off and control treatment unit on electric power meter - Google Patents
Method of installing an on-off and control treatment unit on electric power meter Download PDFInfo
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- CN1289046A CN1289046A CN 99119186 CN99119186A CN1289046A CN 1289046 A CN1289046 A CN 1289046A CN 99119186 CN99119186 CN 99119186 CN 99119186 A CN99119186 A CN 99119186A CN 1289046 A CN1289046 A CN 1289046A
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Abstract
The method for mounting on-off and control processing unit on the kilowatt-hour meter is characterized by that the terminal and terminal base of kilowatt-hour meter are extended, and an independent on-off and control processing unit is added on the upper portion of the terminal and terminal base of kilowatt-hour meter, and the breakpoint of output terminal of phase wire, wiring point and connecting wire coming into interior of kilowatt-hour meter are designed under said unit. Said invention overcomes the contradiction between high interior temp. or kilowatt-hour meter, electronic circuit maintenance and metering management, its structure is simple and convenient for use, so that is can be extensively used in the place having need of adding on-off and control processing unit in kilowall-hour meter.
Description
The method of power on/off and controlled processing unit is installed on a kind of watt-hour meter.
Solve watt-hour meter meterage problem, power on/off and controlled processing unit need be installed on watt-hour meter, known watt-hour meter is not with power on/off and controlled processing unit, money drawing plat and magnetic card watchband power on/off unit, but all with the metering body design of watt-hour meter in metering lead sealing body.This method has a lot of shortcomings, and one is because in the watt-hour meter, temperature height under the heavy load can reduce the life-span and the reliability of power on/off and controlled processing unit greatly.They are two years old, because power on/off topworks--relay is responsible for the break-make of main current supply circuit, the failure rate height, workover rig can be many, from the angle of management, watt-hour meter has jural seriousness as a kind of measurement instrument simultaneously, be by measuring control division management of assert and lead sealing, and the maintenance management of electronics such as relay, electric equipment belong to common electrical equipment maintenance department management.Like this power on/off and controlled processing unit are installed in the metered body,, do not open the maintenance influence and use, brought serious problem to measuring control and open lead sealing in case break down.Its three, in original stem-winder, reequip, can destroy original design, and verification is brought difficulty.
Purpose of the present invention, be the method for on a kind of watt-hour meter of invention power on/off and controlled processing unit being installed, the method for temperature effect in the device that this method makes the maintenance management of power on/off and controlled processing unit can separate, install power on/off and controlled processing unit convenience, power on/off and controlled processing unit easily with measuring control is not shown.
The present invention is achieved in that existing watt-hour meter input and output terminal and terminal base lengthening, in watt-hour meter metering main body outside, the input and output terminal that is lengthened out and the terminal base of metrological service's lead sealing shell above a device (hereinafter to be referred as " device ") that power on/off and controlled processing unit independently are installed is installed
The output terminal of watt-hour meter input/output terminal behind current coil disconnects in " device " below, and one of the terminal of a wherein disconnection links to each other with meter current coil, another butt of disconnection, and an end stretches out the off-balancesheet end, as user's lead-out terminal.The terminal two ends that " device " below disconnects respectively with " device " in power on/off topworks--relay links to each other.Connect like this and guarantee to realize following target:
First when the power on/off topworks in the device--and when relay disconnected, user's power supply can reliably have a power failure.
The second, above device is installed in, and when sealing, the user can't be after the outage of power on/off topworks energized voluntarily.
The power on/off of installing on the watt-hour meter and the device of controlled processing unit have some places that need be connected with the watt-hour meter input and output terminal, so method of the present invention, when " device " when not installing, having on " device " lower position can be by the convenient design that is connected with the input and output terminal conductor of conductors such as metal bolts.An embodiment has screw thread on the input and output conductor.An embodiment, the watt-hour meter input and output terminal exposes in one section zone of " device " below.But after " device " installed, the user can't touch device below input and output terminal.
The terminal and the lead of user installation input-output line is sealed on the place ahead of " device ".After " device " installed, the user who does not influence is used.
A kind of method that power on/off and controlled processing unit are installed on watt-hour meter, outside at watt-hour meter metering agent set lead sealing body, there is a device that power on/off and controlled processing unit independently are installed the top of input and output binding post, base and the post that the input and output connection terminal is installed arranged at the bottom, it is characterized in that:
A., the device that power on/off and controlled processing unit are installed is at watt-hour meter metering agent set, i.e. watt-hour meter casing cover outside, and input and output connection terminal top,
B. the output terminal of watt-hour meter input end behind current coil disconnects below the device that power on/off and controlled processing unit are installed, and cut-off point is to be connected with the main control end of relay in power on/off and the controlled processing unit,
C. have in the device bottom that go side electricity and controlled processing unit are installed can with the direct-connected position of input and output connection terminal and the place of needs.
Method of the present invention, device that watt-hour meter power on/off and controlled processing unit are installed is installed in the leading-out terminal that extended and the top of terminal base independently, make electronic component leave the inside of watt-hour meter metering main body, reduced environment temperature, the main body of " device " is separated with the metering section main body of table meter, be convenient to administering and maintaining of different competent authorities; Therefore the normal terminal box part of watt-hour meter user does not change the characteristic of original table meter installation and maintenance management in " device " the place ahead; Device is an independent subject, is connected with the watt-hour meter conductor all in " device " below, and more reasonable structure, installation and maintenance are more convenient, can be widely used in the occasion that need install the power on/off controlled processing unit additional at watt-hour meter and use.
Fig. 1 is one embodiment of the present of invention synoptic diagram, [1] is power on/off and controlled processing unit, [2] be the device that power on/off and controlled processing unit are installed, [3] by the place ahead terminal block Lead sealed box after the present invention's improvement, [4] be watt-hour meter input/output terminal stroma [5] power on/off topworks--relay, [6] be the printed circuit board (PCB) that stretches into " device " below in the table, [7] watt-hour meter zero line input and output binding post, [8] are the binding posts through current coil output that end points is arranged in " device " below.
Fig. 2 is further specifying of this embodiment, [9] be watt-hour meter zero line output wiring terminal, [10] zero line short circuit connecting line, [11] zero line lead-in clamp, [12] be the output terminal of watt-hour meter input end behind current coil, [13] be through the output wiring terminal behind breakpoint of the output terminal behind the current coil, terminal of [14] user installation input-output line and lead sealing lid.
Fig. 3 is further specifying of an embodiment, and [15] are the printed circuit board (PCB)s that has put in the table, and [16] are the positions that no longer enters the zero line binding post in the table.
After watt-hour meter is equipped with the device of power on/off and controlled processing unit, also have some samplings, be provided with like this that the needed lead-in wire of some functions need enter watt-hour meter inside from " device ", such as the connecting line of the sample circuit connection of inside.Embodiment is that with single-phase watt-hour meter two are from the port to Biao Nei and the zero line lead-in clamp that links together with short-circuit conductor in table, with in the zero line output wiring terminal one, no longer enter watt-hour meter inside and link together, and short circuit links together in the terminal box in " device " the place ahead with the conductor short circuit.An original like this binding post that always enters in the table by " device " below has only arrived the place ahead of " device ", has just vacated the position of original installation binding post below " device " in show.This position just in time becomes sampled signal line in " device " and other control lines enter watt-hour meter inside from " device " passage.
An embodiment, the method that the device of installation power on/off and controlled processing unit is connected with the watt-hour meter lead terminal on watt-hour meter is in " device " below one printed circuit board to be installed.The connector that is connected with power on/off and the controlled processing unit lead-in wire by there being printed circuit board (PCB) that power on/off and controlled processing unit are connected with device in the table is arranged on the printed circuit board (PCB).
An embodiment, some is by there being a position that no longer enters the zero line binding post in the table to put in the watt-hour meter for a printed circuit board (PCB).
Claims (4)
1. method that power on/off and controlled processing unit are installed on watt-hour meter, outside at watt-hour meter metering agent set lead sealing body, there is a device that power on/off and controlled processing unit independently are installed the top of input and output binding post, base and the post that the input and output connection terminal is installed arranged at the bottom, it is characterized in that:
A., the device that power on/off and controlled processing unit are installed is at watt-hour meter metering agent set, i.e. watt-hour meter casing cover outside, and input and output connection terminal top,
B. the output terminal of watt-hour meter input end behind current coil disconnects below the device that power on/off and controlled processing unit are installed, and cut-off point is to be connected with the main control end of relay in power on/off and the controlled processing unit,
C. have in the device bottom that go side electricity and controlled processing unit are installed can with the direct-connected position of input and output connection terminal and the place of needs.
2. the base of input and output connection terminal is installed according to the described method middle and lower part that power on/off and controlled processing unit are installed on watt-hour meter of claim 1, and the feature of connection terminal is: single-phase watt-hour meter zero line input and output binding post, brace with another root wherein, not at watt-hour meter metering main body enclosing cover inner face, and side is covered in terminal and the lead sealing near the user installation input and output below the device that power on/off and controlled processing unit are installed, the zero line inlet wire that originally was installed in the table no longer enters in the table, and the position of vacating is as the sampling lead that is connected in power on/off and control and treatment device being installed and watt-hour meter being measured main body and the inlet wire passage of other control lines.
3. according to the device of described installation power on/off of claim 1 and controlled processing unit, it is characterized in that:
A., there is a printed circuit board device below that power on/off and controlled processing unit are installed,
B. there is connector to be connected on the printed circuit board (PCB), the circuit that power on/off and controlled processing unit are connected with device in the table is also arranged with power on/off and controlled processing unit.
4. according to the described printed circuit board (PCB) of claim 3, it is characterized in that: some is by there being a position that no longer enters the zero line binding post in the table to put in the watt-hour meter for a P.e.c..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99119186 CN1289046A (en) | 1999-09-20 | 1999-09-20 | Method of installing an on-off and control treatment unit on electric power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99119186 CN1289046A (en) | 1999-09-20 | 1999-09-20 | Method of installing an on-off and control treatment unit on electric power meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1289046A true CN1289046A (en) | 2001-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99119186 Pending CN1289046A (en) | 1999-09-20 | 1999-09-20 | Method of installing an on-off and control treatment unit on electric power meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1289046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915861A (en) * | 2010-08-04 | 2010-12-15 | 威胜集团有限公司 | Relay and PCB assembly of electric energy meter |
-
1999
- 1999-09-20 CN CN 99119186 patent/CN1289046A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915861A (en) * | 2010-08-04 | 2010-12-15 | 威胜集团有限公司 | Relay and PCB assembly of electric energy meter |
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Addressee: Beijing Haitong Jia Xun Technology Co., Ltd. Document name: Notification before expiration of term |
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Addressee: Haitong Jiaxun Science & Technology Co., Ltd., Beijing Document name: Deemed as a notice of withdrawal |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |