CN114120593B - Alarm method of fault alarm device for arrearage tripping of high-voltage pre-purchased ammeter - Google Patents
Alarm method of fault alarm device for arrearage tripping of high-voltage pre-purchased ammeter Download PDFInfo
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- CN114120593B CN114120593B CN202111307527.5A CN202111307527A CN114120593B CN 114120593 B CN114120593 B CN 114120593B CN 202111307527 A CN202111307527 A CN 202111307527A CN 114120593 B CN114120593 B CN 114120593B
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- ammeter
- time relay
- contact
- time
- alarm
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to an alarm method of a fault alarm device for arrearage tripping of a high-voltage pre-purchased ammeter, which comprises the following steps: ammeter, trip switch, time relay, audible and visual alarm and external power supply; the ammeter is established to purchase electric multifunctional ammeter in advance, includes: a normally open contact; the tripping switch is provided with an outgoing line side contact; a time relay, comprising: a trigger contact and an action contact; an audible and visual alarm comprising: a signal terminal; the external power supply is used for supplying power to the time relay and the dry access point; the normally open contact arranged on the ammeter, the trigger contact arranged on the time relay and the external power supply are electrically connected; the outgoing line side contact arranged on the tripping switch, the action contact arranged on the time relay and the signal terminal arranged on the audible and visual alarm are electrically connected. The alarm method of the fault alarm device for the arrearage tripping of the high-voltage pre-purchased ammeter monitors the tripped state of the switch and alarms and reminds.
Description
Technical Field
The invention relates to the technical field of alarm, in particular to an alarm method of a fault alarm device for arrearage tripping of a high-voltage pre-purchased ammeter.
Background
The pre-purchased ammeter is also called a pre-paid ammeter or a quantitative ammeter, has the metering function of a common ammeter, and adopts a buying-before-use mode at a user side. When the pre-purchased electricity is used up, the power supply is automatically cut off and the power supply is stopped. Accordingly, the pre-purchased electricity meter has been widely used.
At present, a switch tripping mode is generally adopted for the pre-purchased electricity meter, and the power supply side is disconnected from the user side to realize power failure. However, the conventional tripping and power-off manner of the switch cannot determine the state of the switch, that is, cannot confirm whether the switch is in a correct state.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an alarm method of the fault alarm device for arrearage tripping of the high-voltage pre-purchased ammeter, which is used for monitoring the tripped state of the switch and alarming and reminding.
The invention adopts the technical scheme that:
the fault alarm device of the arrearage tripping of the high-voltage pre-purchased ammeter comprises:
ammeter, trip switch, time relay, audible and visual alarm, external power supply.
The ammeter sets up to purchase electric multifunctional ammeter in advance, includes: a normally open contact;
the trip switch includes: a wire-outlet side contact;
the time relay includes: a trigger contact and an action contact;
the audible and visual annunciator comprises: a signal terminal;
the external power supply is used for supplying power to the time relay and the dry access point.
The normally open contact arranged on the ammeter and the trigger contact arranged on the time relay are connected in series and are electrically connected with an external power supply;
the outgoing line side contact arranged on the tripping switch, the action contact arranged on the time relay and the signal terminal arranged on the audible and visual alarm are connected in series.
Further, the audible and visual annunciator is set as a two-wire annunciator, and comprises:
and a power supply/signal terminal connected in series with the outgoing line side contact provided on the trip switch and the action contact provided on the time relay.
Further, the time relay further includes:
the time setting dial is used for setting trigger delay time and action recovery time.
Further, the trigger delay time is set to be T 1 。
Further, the action recovery time is set to T 2 。
The alarm method for the arrearage tripping fault of the high-voltage pre-purchased ammeter comprises the following steps:
and (3) alarming:
and the residual electricity consumption reading of the ammeter is less than or equal to zero.
The normally open contact arranged on the ammeter is closed, so that the normally open contact arranged on the ammeter, the trigger contact arranged on the time relay and the loop of the power supply are conducted, the trigger contact arranged on the time relay is electrified, the time relay is triggered, time delay is started, and T is achieved 1 After the time, the action contact arranged on the time relay is closed, so that a loop of the outgoing line side contact arranged on the tripping switch, the action contact arranged on the time relay and the signal terminal arranged on the audible and visual alarm is conducted, and the signal terminal arranged on the audible and visual alarm is electrified, so that the audible and visual alarm is triggered and alarms.
And (5) recovering:
the reading of the remaining electricity consumption of the electricity meter is greater than zero.
The normally open contact arranged on the ammeter is restored to a normally open state, the normally open contact arranged on the ammeter, the trigger contact arranged on the time relay and the loop of the power supply are opened, the trigger contact arranged on the time relay is powered off, the internal contact of the time relay is switched, and time delay is started, T 2 After the time, the action contact arranged on the time relay is disconnected, so that the outgoing line side contact arranged on the tripping switch is arranged on the time relayThe loop circuit of the signal terminal arranged on the sound-light alarm is broken, and the signal terminal arranged on the sound-light alarm is deenergized, so that the sound-light alarm stops alarming and returns to the initial state.
Further, the trigger delay time T 1 Greater than 3 minutes.
Further, the action recovery time T 2 Greater than 10 minutes.
The alarm method of the fault alarm device for arrearage tripping of the high-voltage pre-purchased ammeter has the advantages that:
1. the method comprises the steps of confirming whether the pre-purchased electric quantity in an electric meter is zero or not through a normally open contact arranged on the electric meter, a trigger contact arranged on a time relay and a loop of a power supply;
2. the audible and visual alarm is triggered to alarm through a loop of an outgoing line side contact arranged on the tripping switch, an action contact arranged on the time relay and a signal terminal arranged on the audible and visual alarm;
3. through the time relay, the false alarm is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, and the drawings in the following description are embodiments of the present invention.
Fig. 1 is a schematic electrical connection diagram of a fault alerting device providing arrearage tripping of a high voltage pre-purchased electricity meter in accordance with an example of the present invention.
In the figure:
10. the electric meter is used for the control of the electric,
20. the trip switch is operated by a user,
30. the time relay is used for controlling the time relay,
40. an audible and visual alarm device, a sound and visual alarm device,
50. an external power source.
Detailed Description
In order to more clearly and clearly describe the specific implementation objects and embodiments of the present invention, the following description will fully describe the technical solutions of the present invention, and the described embodiments are some, but not all, embodiments of the present invention. All other embodiments based on the described embodiments of the invention fall within the scope of the invention without making inventive efforts.
The invention relates to a fault alarm device for arrearage tripping of a high-voltage pre-purchased ammeter, which is shown in figure 1 and comprises:
an electricity meter 10, a trip switch 20, a time relay 30, an audible and visual alarm 40, and an external power source 50.
The electric meter 10 is configured as a pre-purchased multifunctional electric meter, and includes: a normally open contact;
the trip switch 20 includes: a wire-outlet side contact;
the time relay 30 includes: a trigger contact and an action contact;
the time relay 30 further includes: the time setting dial is used for setting trigger delay time and action recovery time. Wherein the trigger delay time is set as T 1 The action recovery time is set as T 2 ；
The audible and visual annunciator 40 is configured as a two-wire annunciator, and comprises: a power supply/signal terminal connected in series with an outgoing line side contact provided on the trip switch 20 and an action contact provided on the time relay 30;
the external power source 50 is used to power the time relay 30, the dry contact.
The normally open contact arranged on the ammeter 10 and the trigger contact arranged on the time relay 30 are connected in series and are electrically connected with an external power supply 50;
the outgoing line side contact provided on the trip switch 20, the operation contact provided on the time relay 30, and the signal terminal provided on the audible and visual alarm 40 are connected in series.
According to the specific structure of the embodiment of the fault alarm device for arrearage tripping of the high-voltage pre-purchase ammeter, the following further describes an alarm method for arrearage tripping faults of the high-voltage pre-purchase ammeter:
and (3) alarming:
the remaining power reading of the electricity meter 10 is zero or less.
The normally open contact arranged on the ammeter 10 is closed, so that the normally open contact and the time arranged on the ammeter 10The trigger contact arranged on the time relay 30 is conducted with the loop of the power supply 50, the trigger contact arranged on the time relay 30 is electrified to trigger the time relay 30, and the time delay is started, T 1 After the time, the action contact arranged on the time relay 30 is closed, so that the loop of the outgoing line side contact arranged on the tripping switch 20, the action contact arranged on the time relay 30 and the signal terminal arranged on the audible and visual alarm 40 is conducted, and the signal terminal arranged on the audible and visual alarm 40 is electrified, so that the audible and visual alarm 40 is triggered and alarms.
And (5) recovering:
the remaining power consumption of the electricity meter 10 is read to be greater than zero.
The normally open contact arranged on the ammeter 10 is restored to a normally open state, the normally open contact arranged on the ammeter 10, the trigger contact arranged on the time relay 30 and the loop circuit of the power supply 50 are broken, the trigger contact arranged on the time relay 30 is powered off, the internal contact of the time relay 30 is switched, and the time delay is started, T 2 After the time, the action contact arranged on the time relay 30 is disconnected, so that the loop circuit of the outgoing line side contact arranged on the tripping switch 20, the action contact arranged on the time relay 30 and the signal terminal arranged on the audible and visual alarm 40 is disconnected, the signal terminal arranged on the audible and visual alarm 40 is deenergized, the audible and visual alarm 40 stops alarming, and the initial state is restored.
Based on the above, the embodiment of the fault alarm device for arrearage tripping of the high-voltage pre-purchased electricity meter is taught, and related staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the invention through the above description. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. The alarm method of the fault alarm device for arrearage tripping of the high-voltage pre-purchased ammeter is characterized by comprising the following steps of:
the fault alarm device comprises:
an ammeter (10), a tripping switch (20), a time relay (30), an audible and visual alarm (40) and an external power supply (50),
the electric meter (10) is configured as a pre-electricity-purchase type multifunctional electric meter, comprising: a normally open contact is provided for the contact,
the trip switch (20) comprises: the outgoing line side contact point,
the time relay (30) comprises: a trigger contact, an action contact and a time setting dial, wherein the time setting dial is used for setting trigger delay time and action recovery time,
the audible and visual annunciator (40) is configured as a two-wire annunciator, comprising: a signal terminal connected in series with an outgoing line side contact provided on the trip switch (20) and an action contact provided on the time relay (30),
the external power supply (50) is used for supplying power to the time relay (30) and the dry contact point;
a normally open contact arranged on the ammeter (10) and a trigger contact arranged on the time relay (30) are connected in series and are electrically connected with an external power supply (50),
the outgoing line side contact arranged on the tripping switch (20), the action contact arranged on the time relay (30) and the signal terminal arranged on the audible and visual alarm (40) are connected in series;
the alarm method comprises the following steps:
and (3) alarming:
the residual electricity consumption reading of the ammeter (10) is less than or equal to zero,
the normally open contact arranged on the ammeter (10) is closed, so that the normally open contact arranged on the ammeter (10), the trigger contact arranged on the time relay (30) and the loop of the power supply (50) are conducted, the trigger contact arranged on the time relay (30) is electrified, the time relay (30) is triggered, and the time delay is started, and T 1 After the time, an action contact arranged on the time relay (30) is closed, so that a wire outlet side contact arranged on the tripping switch (20), the action contact arranged on the time relay (30) and a loop of a signal terminal arranged on the audible and visual alarm (40) are conducted, and the signal terminal arranged on the audible and visual alarm (40) is electrified, so that the audible and visual alarm (40) is triggered and alarms;
and (5) recovering:
the reading of the remaining power consumption of the electricity meter (10) is greater than zero,
on an ammeter (10)The normally open contact is restored to a normally open state, the normally open contact arranged on the ammeter (10), the trigger contact arranged on the time relay (30) and the loop of the power supply (50) are broken, the trigger contact arranged on the time relay (30) is powered off, the internal contact of the time relay (30) is switched, and time delay is started, T 2 After the time, an action contact arranged on the time relay (30) is disconnected, so that a loop circuit of an outgoing line side contact arranged on the tripping switch (20), an action contact arranged on the time relay (30) and a signal terminal arranged on the audible and visual alarm (40) is disconnected, the signal terminal arranged on the audible and visual alarm (40) is powered off, and the audible and visual alarm (40) stops alarming and returns to an initial state.
2. The alarm method of the fault alarm device for arrearage tripping of the high-voltage pre-purchased electricity meter according to claim 1, wherein the alarm method comprises the following steps:
the trigger delay time is set as T 1 。
3. The alarm method of the fault alarm device for arrearage tripping of the high-voltage pre-purchased electricity meter according to claim 1, wherein the alarm method comprises the following steps:
the action recovery time is set as T 2 。
4. The alarm method of the high-voltage pre-purchase ammeter arrearage tripping fault alarm device according to claim 2, wherein the alarm method comprises the following steps:
the trigger delay time T 1 Greater than 3 minutes.
5. The alarm method of the high-voltage pre-purchase ammeter arrearage tripping fault alarm device according to claim 3, wherein the alarm method comprises the following steps:
the action recovery time T 2 Greater than 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307527.5A CN114120593B (en) | 2021-11-05 | 2021-11-05 | Alarm method of fault alarm device for arrearage tripping of high-voltage pre-purchased ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307527.5A CN114120593B (en) | 2021-11-05 | 2021-11-05 | Alarm method of fault alarm device for arrearage tripping of high-voltage pre-purchased ammeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114120593A CN114120593A (en) | 2022-03-01 |
| CN114120593B true CN114120593B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111307527.5A Active CN114120593B (en) | 2021-11-05 | 2021-11-05 | Alarm method of fault alarm device for arrearage tripping of high-voltage pre-purchased ammeter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698696A (en) * | 2013-12-18 | 2014-04-02 | 国家电网公司 | Money-owning tripping switch detection device |
| CN204269703U (en) * | 2014-12-16 | 2015-04-15 | 天津天保电力有限公司 | Electricity charge arrearage sound and light alarm resetting system |
| CN204835489U (en) * | 2015-06-26 | 2015-12-02 | 国家电网公司 | Transformer isolative protection time delay trip protections device of reporting to police that opens door on fence |
| CN204966990U (en) * | 2015-09-30 | 2016-01-13 | 东盟电气集团南京股份有限公司 | A arrearage alarm device for european style case becomes |
| KR20180081478A (en) * | 2018-06-25 | 2018-07-16 | 주식회사 나은에너지 | Electric failure master detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9236209B2 (en) * | 2013-04-03 | 2016-01-12 | Tektronix, Inc. | Relay failure detection system |
| US10229577B2 (en) * | 2017-02-01 | 2019-03-12 | Florida Power & Light Company | Proactive power outage alerts management system and methods |
-
2021
- 2021-11-05 CN CN202111307527.5A patent/CN114120593B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698696A (en) * | 2013-12-18 | 2014-04-02 | 国家电网公司 | Money-owning tripping switch detection device |
| CN204269703U (en) * | 2014-12-16 | 2015-04-15 | 天津天保电力有限公司 | Electricity charge arrearage sound and light alarm resetting system |
| CN204835489U (en) * | 2015-06-26 | 2015-12-02 | 国家电网公司 | Transformer isolative protection time delay trip protections device of reporting to police that opens door on fence |
| CN204966990U (en) * | 2015-09-30 | 2016-01-13 | 东盟电气集团南京股份有限公司 | A arrearage alarm device for european style case becomes |
| KR20180081478A (en) * | 2018-06-25 | 2018-07-16 | 주식회사 나은에너지 | Electric failure master detector |
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| Publication number | Publication date |
|---|---|
| CN114120593A (en) | 2022-03-01 |
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