CN112986897B - Metering control loop and fee control alarm method - Google Patents
Metering control loop and fee control alarm method Download PDFInfo
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- CN112986897B CN112986897B CN202110477359.8A CN202110477359A CN112986897B CN 112986897 B CN112986897 B CN 112986897B CN 202110477359 A CN202110477359 A CN 202110477359A CN 112986897 B CN112986897 B CN 112986897B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 41
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract 1
- 238000002788 crimping Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/066—Arrangements for avoiding or indicating fraudulent use
Abstract
The invention provides a metering control loop and a fee control warning method. The measurement control circuit includes photoelectric relay, first and second auxiliary relay, audible alarm ware, trip coil, charges of electricity metering device and is used for the first and second light emitting component who uses with photoelectric relay cooperation, wherein: the electricity charge metering device can calculate the electricity charge balance of the power consumer in real time, control the first light-emitting element to emit light when the electricity charge balance of the power consumer is insufficient, and control the second light-emitting element to emit light when the electricity charge balance of the power consumer is over zero; the first normally open contact of photoelectric relay is established ties with first auxiliary relay, and photoelectric relay's second normally open contact is established ties with second auxiliary relay, and first auxiliary relay's normally open contact and audible alarm establish ties, and second auxiliary relay's normally open contact and tripping coil establish ties. The fee control alarm method is based on a metering control loop. The invention is used for avoiding the realization of balance alarm and arrearage tripping action from the terminal row lead wire at the tail of the meter.
Description
Technical Field
The invention relates to the field of electric power charging, in particular to a metering control loop and a fee control warning method.
Background
When the metering device is checked and accepted, a tripping and alarming device is required to be installed, balance alarming and arrearage tripping actions are completed, and prepayment is realized.
At present, the functions of alarming and tripping are realized by connecting a control loop from a multifunctional terminal strip lead at the tail of a meter to finish alarming and tripping.
The two functions of alarming and tripping can be successfully realized by using the wired mode, but through years of application, the following defects exist:
1. is inconvenient to install
The wiring hole that multi-functional binding post arranged is less, and the installation is inconvenient, and the inefficacy that drops easily, and installation space is more narrow, and the ammeter is when highly higher, more inconvenient.
2. Are not suitable for parallel use
In the field use process, most of the terminals share the power supply with the cost control terminal and are used in parallel, but when two wires are connected into the wiring hole, the crimping is difficult, and the screw can slip after the crimping is carried out for many times, so that the terminals cannot be normally used.
3. Influencing field calibration work of electric energy meter
In the field calibration process of the electric energy meter, a wiring clamp for calibration needs to be clamped on a voltage screw and a current wire of the electric energy meter. The control line of the electric energy meter is added by accessing the lead wire of the multifunctional terminal row at the tail of the meter into the control loop, so that the control line of the electric energy meter is often dense, the clamping of a jointing clamp during the field calibration of workers is seriously hindered, and the current clamp is not favorable for clamping the control line.
4. With hidden danger of electricity stealing
The control line of the electric energy meter is added to the control circuit by leading the lead wire of the multifunctional terminal row at the tail of the meter, so that a plurality of control lines at the tail of the electric energy meter are provided, the tail cover of the meter cannot be smoothly installed, namely, the tail of the meter cannot be normally sealed, and the hidden trouble of electricity stealing is caused.
5. Potential safety hazard
Because there is the power cord on the electric energy meter tail control line, when the staff goes up the lead wire access control circuit from the multi-functional terminal row of meter tail, easily the mistake bumps electrified wire, causes harm to personal safety.
Therefore, the invention provides a metering control loop and a fee control warning method, which are used for solving the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a metering control loop and a fee control warning method, which are used for avoiding balance warning and arrearage tripping actions from a terminal row lead at the tail of a meter.
The invention provides a metering control circuit, which comprises a photoelectric relay, an intermediate relay, an audible alarm, a tripping coil, an electric charge metering device, a first light-emitting element and a second light-emitting element, wherein the first light-emitting element and the second light-emitting element are matched with the photoelectric relay for use, and the metering control circuit comprises a first light-emitting element, a second light-emitting element and a first relay, wherein the first light-emitting element and the second light-emitting element are arranged on the same side of the photoelectric relay, and are respectively matched with the intermediate relay for use, and the first light-emitting element and the second light-emitting element are respectively matched with the intermediate relay, and the second light-emitting element and the first light-emitting element are respectively matched with the intermediate relay, and the second light-emitting element are respectively matched with the first light-emitting elements, and the second light-emitting elements, and the first light-emitting elements and the second light-emitting elements are respectively, and the second light-emitting elements are respectively arranged on the first light-emitting elements, and the second light-emitting elements and the first light-emitting elements and the second light-emitting elements are respectively, the second light-emitting elements and the second light-emitting elements are respectively, and the second light-emitting elements and the first light-emitting elements are respectively, and the second light-emitting elements are respectively, and the first light-emitting elements are respectively, and the second light-emitting elements are respectively, and the first light-emitting elements are respectively, and the second:
the electricity charge metering device can calculate the electricity charge balance of the power consumer in real time, can control the first light-emitting element to emit light when the electricity charge balance of the power consumer is insufficient, and can also control the second light-emitting element to emit light when the electricity charge balance of the power consumer is too zero;
a first light emitting element and a second light emitting element which are different in light emission color and are integrated on the electricity fee metering device;
the power end of the photoelectric relay is connected with a power supply;
a first normally open contact of the photoelectric relay is connected in series with a first intermediate relay, a second normally open contact of the photoelectric relay is connected in series with a second intermediate relay, the normally open contact of the first intermediate relay is connected in series with the audible alarm, and the normally open contact of the second intermediate relay is connected in series with the trip coil;
after the photoelectric relay senses the light emitted by the first light-emitting element, a first normally open contact of the photoelectric relay is closed, and a coil of the first intermediate relay is electrified; after the photoelectric relay senses the light emitted by the second light-emitting element, the second normally-open contact of the photoelectric relay is closed, and the coil of the second intermediate relay is electrified.
Further, the electricity fee metering device controls the light emission of the first light emitting element by using the first relay control circuit, and controls the light emission of the second light emitting element by using the second relay control circuit.
Further, the first relay control circuit comprises an insufficient balance alarm relay and a first light-emitting circuit, the insufficient balance alarm relay is controlled by the electric charge metering device, and the first light-emitting circuit is connected with a first power supply, the first light-emitting element and a normally open contact of the insufficient balance alarm relay in series.
Further, the second relay control circuit comprises a tripping relay and a second light-emitting circuit, the tripping relay is controlled by the electric charge metering device, and the second light-emitting circuit is connected with a second power supply, the second light-emitting element and a normally open contact of the tripping relay in series.
Furthermore, the power input end of the sound alarm is connected in series with a sound alarm silencing button.
Furthermore, the sound alarm adopts an electric bell.
Further, the electric charge metering device is a smart meter.
Further, the first light emitting element is a component emitting yellow light, and the second light emitting element is a component emitting red light.
In a second aspect, the present invention provides a fee-based alarm method based on the metering control loop of the above aspects, the fee-based alarm method comprising the steps of:
the electric charge metering device meters the electric charge balance of the user in real time and executes the following steps: when the current measured electricity charge balance reaches a preset alarm threshold, controlling a first light-emitting element to emit light; when the balance of the current measured electric charge is too zero, controlling the second light-emitting element to emit light; when the current measured electricity charge balance is higher than the preset alarm threshold, controlling the first light-emitting element and the second light-emitting element to keep not emitting light or stop emitting light according to the latest working state of the first light-emitting element and the second light-emitting element; the value of the alarm threshold is greater than 0;
when the first light-emitting element emits light, the first normally open contact of the photoelectric relay is closed, and then the coil of the first intermediate relay is electrified, so that the normally open contact of the first intermediate relay is controlled to be closed, and at the moment, the sound alarm gives an alarm;
when the second light-emitting element emits light, the second normally open contact of the photoelectric relay is closed, then the coil of the second intermediate relay is electrified, so that the normally open contact of the second intermediate relay is closed, and the tripping coil is electrified to execute tripping action.
The beneficial effect of the invention is that,
the metering control loop and the fee control warning method adopt a photoelectric access mode to replace wire access, take the light emitted by the first light-emitting element and the second light-emitting element as a trigger instruction, through photoelectric relay, first auxiliary relay and second auxiliary relay's control, carry out corresponding warning or tripping command by audible alarm and tripping coil at last, avoided arranging the lead wire from the multi-functional terminal in table tail, the problem of the smooth silk of screw easily causes after crimping difficulty and the crimping is many times avoided the wiring hole of arranging of table tail to bring when inserting two wires has avoided the increase to the electric energy meter control line to the influence of electric energy meter field check-up work, avoided appearing in the background art unable normal situation of sealing the table tail, help reducing to a certain extent and steal electric hidden danger, in addition still can avoid bumping electrified wire from the mistake when arranging the lead wire from the multi-functional terminal in table tail.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a metering control loop of one embodiment of the present invention.
Wherein: the method comprises the following steps of 1-an electric charge metering device, 2-a first intermediate relay, 3-a second intermediate relay, 4-a first light-emitting element, 5-a second light-emitting element, 6-a photoelectric relay, 7-an audible alarm and 8-a tripping coil.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is an embodiment of a metering control loop of one embodiment of the present invention.
The metering control loop in the embodiment avoids the use of a wired mode in the background technology to realize two functions of alarming and tripping.
As shown in fig. 1, the metering control circuit includes an optoelectronic relay 6, a first intermediate relay 2, a second intermediate relay 3, an audible alarm 7, a trip coil 8, an electricity rate metering device 1, and a first light emitting element 4 and a second light emitting element 5 for cooperating with the optoelectronic relay 6. The first light emitting element 4 and the second light emitting element 5, which emit light of different colors, are integrated on the electricity bill metering device 1.
The electricity rate measuring device 1 can calculate the electricity rate balance of the electricity consumer in real time, control the first light emitting element 4 to emit light when the electricity rate balance of the electricity consumer is insufficient, and control the second light emitting element 5 to emit light when the electricity rate balance of the electricity consumer is too low.
The power supply end of the photoelectric relay 6 is connected with a power supply. The first normally open contact of photoelectric relay 6 is established ties with first auxiliary relay 2, and the second normally open contact of photoelectric relay 6 is established ties with second auxiliary relay 3, and the normally open contact of first auxiliary relay 2 is established ties with audible alarm 7, and the normally open contact of second auxiliary relay 3 is established ties with trip coil 8.
After the photoelectric relay 6 senses the light emitted by the first light-emitting element 4, a first normally open contact of the photoelectric relay is closed, and a coil of the first intermediate relay 2 is electrified. After the coil of the first intermediate relay 2 is electrified, the normally open contact of the first intermediate relay 2 is closed, and then the audible alarm 7 is electrified to give an alarm.
After the photoelectric relay 6 senses the light emitted by the second light-emitting element 5, the second normally open contact of the photoelectric relay is closed, and the coil of the second intermediate relay 3 is electrified. After the coil of the second intermediate relay 3 is electrified, the normally open contact of the second intermediate relay 3 is closed, and then the tripping coil 8 is electrified to work.
Alternatively, as an embodiment of the present invention, the electricity fee metering device 1 controls the light emission of the first light emitting element 4 using a first relay control circuit, and controls the light emission of the second light emitting element 5 using a second relay control circuit.
In specific implementation, a person skilled in the art can select any related relay control circuit in the prior art to implement the first relay control circuit and the second relay control circuit according to actual conditions.
In this embodiment, the first relay control circuit includes an insufficient balance alarm relay controlled by the electricity fee metering device 1, and a first light emitting circuit connected in series with a first power supply, the first light emitting element 4, and a normally open contact of the insufficient balance alarm relay. When the electricity charge metering device is used, the electricity charge metering device 1 controls the connection and disconnection of the first light-emitting circuit through the insufficient balance alarm relay. When the first light-emitting circuit is turned on, the first power supply supplies power to the whole first light-emitting circuit, and at the moment, the first light-emitting element 4 is powered to emit light to the photoelectric relay 6. When the first light emitting circuit is controlled to be open, no current flows through the first light emitting element 4, and no light is emitted.
In the present embodiment, the second relay control circuit includes a trip relay controlled by the electricity rate metering device 1 and a second light emitting circuit connected in series with the second power source, the second light emitting element 5 and the normally open contact of the trip relay. When the electric charge metering device 1 is used, the second light-emitting circuit is controlled to be switched on and off through the tripping relay. When the second light-emitting circuit is controlled to be conducted, the second power supply supplies power to the whole second light-emitting circuit, and at the moment, the second light-emitting element 5 is powered to emit light to the photoelectric relay 6. When the second light-emitting circuit is disconnected or controlled to be disconnected, no current flows through the second light-emitting element 5, and no light is emitted.
As another exemplary embodiment of the present invention, an audible alarm mute button is connected in series to the power input terminal of the audible alarm 7. When in use, the sound alarm silencing button is pressed, and the alarm of the sound alarm 7 can be cut off.
As another exemplary embodiment of the present invention, the audible alarm 7 is an electric bell. The electric bell is relatively common and convenient to realize.
As another exemplary embodiment of the present invention, the electricity rate measuring device 1 is a smart meter. The invention can avoid the use of the free control terminal, and further avoid the connection of the control line between the free control terminal and the ammeter.
As another exemplary embodiment of the present invention, the first light emitting element 4 is a yellow light emitting component, and the second light emitting element 5 is a red light emitting component. In particular, light emitting devices emitting light of other colors in the related art may be selected as the first light emitting element 4 and the second light emitting element 5 on the premise that the first light emitting element 4 and the second light emitting element 5 emit light of different colors.
The invention provides a fee control warning method based on the metering control loop in each aspect, which comprises the following steps:
the electric charge metering device meters the electric charge balance of the user in real time and executes the following steps: when the current measured electricity charge balance reaches a preset alarm threshold, controlling a first light-emitting element to emit light; when the balance of the current measured electric charge is too zero, controlling the second light-emitting element to emit light; when the current measured electricity charge balance is higher than the preset alarm threshold, controlling the first light-emitting element and the second light-emitting element to keep not emitting light or stop emitting light according to the latest working state of the first light-emitting element and the second light-emitting element; the value of the alarm threshold is greater than 0;
when the first light-emitting element emits light, the first normally open contact of the photoelectric relay is closed, and then the coil of the first intermediate relay is electrified, so that the normally open contact of the first intermediate relay is controlled to be closed, and at the moment, the sound alarm gives an alarm;
when the second light-emitting element emits light, the second normally open contact of the photoelectric relay is closed, then the coil of the second intermediate relay is electrified, so that the normally open contact of the second intermediate relay is closed, and the tripping coil is electrified to execute tripping action.
The same and similar parts in the various embodiments in this specification may be referred to each other.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A metering control circuit, characterized in that, this metering control circuit includes photoelectric relay, first auxiliary relay, second auxiliary relay, audible alarm ware, trip coil, charges of electricity metering device and is used for with photoelectric relay cooperation first light emitting component and the second light emitting component of use, wherein:
the electricity charge metering device can calculate the electricity charge balance of the power consumer in real time, can control the first light-emitting element to emit light when the electricity charge balance of the power consumer is insufficient, and can also control the second light-emitting element to emit light when the electricity charge balance of the power consumer is too zero;
a first light emitting element and a second light emitting element which are different in light emission color and are integrated on the electricity fee metering device;
the power end of the photoelectric relay is connected with a power supply;
a first normally open contact of the photoelectric relay is connected in series with a first intermediate relay, a second normally open contact of the photoelectric relay is connected in series with a second intermediate relay, the normally open contact of the first intermediate relay is connected in series with the audible alarm, and the normally open contact of the second intermediate relay is connected in series with the trip coil;
after the photoelectric relay senses the light emitted by the first light-emitting element, a first normally open contact of the photoelectric relay is closed, and a coil of the first intermediate relay is electrified; after the photoelectric relay senses light emitted by the second light-emitting element, a second normally open contact of the photoelectric relay is closed, and a coil of the second intermediate relay is electrified;
the electric charge metering device adopts a first relay control circuit to control the first light-emitting element to emit light, and adopts a second relay control circuit to control the second light-emitting element to emit light;
the first relay control circuit comprises an insufficient balance alarm relay and a first light-emitting circuit, the insufficient balance alarm relay is controlled by the electric charge metering device, and the first light-emitting circuit is connected with a first power supply, a first light-emitting element and a normally open contact of the insufficient balance alarm relay in series;
the second relay control circuit comprises a tripping relay and a second light-emitting circuit, the tripping relay is controlled by the electric charge metering device, and the second light-emitting circuit is connected with a second power supply, the second light-emitting element and a normally open contact of the tripping relay in series.
2. The metering control loop of claim 1, wherein the power input end of the audible alarm is connected in series with an audible alarm mute button.
3. The metering control circuit of claim 1, wherein the audible alarm is an electric bell.
4. The metering control circuit of claim 1 wherein the electricity charge metering device is a smart meter.
5. The metering control circuit of claim 1, wherein the first light emitting element is a yellow light emitting component and the second light emitting element is a red light emitting component.
6. A fee control alarm method based on the metering control loop of claim 1, characterized in that the fee control alarm method comprises the steps of:
the electric charge metering device meters the electric charge balance of the user in real time and executes the following steps: when the current measured electricity charge balance reaches a preset alarm threshold, controlling a first light-emitting element to emit light; when the balance of the current measured electric charge is too zero, controlling the second light-emitting element to emit light; when the current measured electricity charge balance is higher than the preset alarm threshold, controlling the first light-emitting element and the second light-emitting element to keep not emitting light or stop emitting light according to the latest working state of the first light-emitting element and the second light-emitting element; the value of the alarm threshold is greater than 0;
when the first light-emitting element emits light, the first normally open contact of the photoelectric relay is closed, and then the coil of the first intermediate relay is electrified, so that the normally open contact of the first intermediate relay is controlled to be closed, and at the moment, the sound alarm gives an alarm;
when the second light-emitting element emits light, the second normally open contact of the photoelectric relay is closed, then the coil of the second intermediate relay is electrified, so that the normally open contact of the second intermediate relay is closed, and the tripping coil is electrified to execute tripping action.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110477359.8A CN112986897B (en) | 2021-04-30 | 2021-04-30 | Metering control loop and fee control alarm method |
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| CN202110477359.8A CN112986897B (en) | 2021-04-30 | 2021-04-30 | Metering control loop and fee control alarm method |
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| CN112986897B true CN112986897B (en) | 2021-12-10 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203812325U (en) * | 2014-03-31 | 2014-09-03 | 国家电网公司 | Cost control backup switching-on device of electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3329825A (en) * | 1964-05-11 | 1967-07-04 | Gen Electric | Meter relay using photoelectric relay elements controlled by an annular shutter mounted on the meter movement assembly |
| CN101794480B (en) * | 2010-02-01 | 2011-11-23 | 合肥工业大学 | Pre-purchased power controller |
| CN103489259B (en) * | 2013-08-16 | 2016-06-29 | 国家电网公司 | A kind of high-voltage user local cost control intelligent electric energy meter |
| CN204462252U (en) * | 2015-04-07 | 2015-07-08 | 浙江正泰仪器仪表有限责任公司 | A kind of intelligent electric meter control circuit |
| CN109581047B (en) * | 2018-12-03 | 2020-02-07 | 国网山东省电力公司乳山市供电公司 | Arrearage power failure early warning device, using method and arrearage early warning prompting method |
| CN109389758A (en) * | 2018-12-18 | 2019-02-26 | 杭州吉租科技有限公司 | A kind of intelligent building power-supply management system and its management method |
| CN212305726U (en) * | 2020-07-23 | 2021-01-05 | 胡忠良 | Illumination control equipment capable of automatically setting time and automatically adjusting energy of illumination control equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203812325U (en) * | 2014-03-31 | 2014-09-03 | 国家电网公司 | Cost control backup switching-on device of electric energy meter |
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