CN210142173U - Electric meter - Google Patents
Electric meter Download PDFInfo
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- CN210142173U CN210142173U CN201920578543.XU CN201920578543U CN210142173U CN 210142173 U CN210142173 U CN 210142173U CN 201920578543 U CN201920578543 U CN 201920578543U CN 210142173 U CN210142173 U CN 210142173U
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Abstract
The utility model relates to the technical field of electric leakage detection, in particular to an electric meter, wherein the electric meter comprises an automatic low-voltage line electric leakage identification and alarm device, and the device comprises an electric leakage detection mechanism and a warning mechanism; the electric leakage detection mechanism comprises a first Hall sensor, a second Hall sensor and an amplifier, wherein the first Hall sensor and the second Hall sensor are respectively arranged on a zero line and a live line of the output end or the input end of the power transmission line, the electric leakage detection mechanism is connected with the warning mechanism, and the warning mechanism comprises a warning signal lamp. The utility model provides an ammeter adopts above-mentioned structure, can effectually detect and the alarm to electric leakage trouble, has still improved maintainer's maintenance efficiency when promoting user's power consumption security moreover, in the ammeter case that contains a plurality of ammeters, can realize the concrete electric leakage branch road that accurate definite electric leakage trouble appears.
Description
Technical Field
The utility model relates to an electric leakage detection technical field, in particular to ammeter.
Background
The region of China is vast, the population is numerous, and the distribution area of residential power supply and industrial and agricultural power supply systems is huge. With the continuous and stable development of economy and the promotion of the industrialization process in China, the ever-increasing power demand is inevitably generated, and the electric meter box is widely applied as a device for centrally managing the metering instrument.
The electric meter box is a common electric appliance instrument device and is widely applied to industry and families. In daily life, the conditions of electric leakage, circuit damage, abnormal power supply and the like are frequently encountered, so that the inspection and maintenance are required to be carried out at variable time. However, the existing electric meters and electric meter boxes, especially the electric meter boxes in residential quarters, are basically the electric meter boxes with one multi-electric meter arranged below each building, when a fault occurs, the power-off protection cannot be timely and effectively performed, and in the maintenance process, a maintainer cannot quickly determine which user has a problem in the circuit, cannot quickly make an accurate judgment and repair, so that the electricity consumption of the user is delayed, and the maintenance efficiency is also influenced.
Application number is CN201010174650.X "an ammeter case and ammeter case group" discloses an ammeter case and ammeter case group, and the public day is 2011 11 months 16 days, and this ammeter case has the bayonet joint structure, through bayonet joint structure cooperation jack structure realizes the switch and is connected with the electricity of ammeter, through reducing table incasement interconnection node to realized reducing manufacturing cost, reduced accident potential, and then promoted ammeter safe and high-efficient operation. However, the electric meter box and the electric meter box set designed by the scheme can not be powered off in time when the electric leakage condition occurs in the circuit; for the meter box group, when the power failure can not be timely carried out, the user circuit with the fault is difficult to rapidly determine and implement the maintenance.
SUMMERY OF THE UTILITY MODEL
When the circuit breaks down, the circuit that the maintainer can't be rapidly accurate to make the judgement and repair the problem is mentioned for solving above-mentioned background art, the utility model provides a low voltage line electric leakage automatic identification, alarm device, including electric leakage detection mechanism and warning mechanism.
On the basis of the structure, further, the electric leakage detection mechanism is connected with the warning mechanism, the electric leakage detection mechanism comprises a first Hall sensor, a second Hall sensor and an amplifier, the first Hall sensor and the second Hall sensor are respectively arranged on a zero line and a live line of the output end or the input end of the power transmission line, and the first Hall sensor and the second Hall sensor are connected with the amplifier.
On the basis of the structure, further, the warning mechanism comprises a warning signal lamp.
On the basis of the structure, the leakage monitoring device further comprises a signal processing mechanism and a monitoring mechanism, wherein the signal processing mechanism is connected with the leakage detection mechanism, the monitoring mechanism is connected with the signal processing mechanism, the signal processing mechanism comprises a filter and an A/D converter, and the filter and the A/D converter are sequentially connected.
In addition to the above structure, the apparatus further comprises a wireless signal transmission mechanism, and the wireless signal transmission mechanism is connected to the signal processing mechanism.
On the basis of the structure, further, the warning signal lamp is an LED lamp.
On the basis of the structure, further, the warning mechanism further comprises a warning sounder.
The utility model also provides an ammeter, which adopts the automatic low-voltage line leakage identification and alarm device; the electric meter also comprises an electric meter body and an electric leakage breaker; the ammeter body is connected with the automatic low-voltage line electric leakage identification and alarm device, and the electric leakage circuit breaker is arranged on an input or output line of an electric transmission line of the ammeter.
The utility model also provides an electricity meter box, which adopts the automatic low-voltage line leakage identification and alarm device; still include ammeter case shell and electric leakage circuit breaker, electric leakage circuit breaker sets up on ammeter case total transmission line's input or output line, be provided with the ammeter body in the ammeter case shell.
The utility model provides a pair of automatic identification of low pressure circuit electric leakage, alarm device compares with prior art, has following advantage:
1. whether there is the difference through hall sensor detection load user's input and output end electric current to confirm whether there is the electric leakage phenomenon, and then communicate warning mechanism through the amplifier and realize warning, the maintenance is implemented to the maintainer accuracy of being convenient for.
2. When the electric leakage phenomenon appears, the electric signal is converted into digital information through the filter and the A/D converter, the digital information is transmitted to the monitoring mechanism in time, the specific problem-appearing area is accurately obtained through the digital information, meanwhile, the warning signal lamp prompts the specific problem-appearing structure, and then the electric leakage branch circuit is quickly and accurately found.
3. Through setting up wireless signal transport mechanism, can ensure not only can be through power line carrier signal transmission, can also transmit fault signal to monitoring mechanism rapidly through multiple mode.
4. The device sets up when ammeter, ammeter case, and collocation electric leakage circuit breaker when the electric leakage appears, can not only warn the electric leakage branch road, still can in time implement the outage to total circuit, realizes safer safeguard function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of module connection of an automatic low-voltage line leakage identification and alarm device provided by the present invention;
fig. 2 is a schematic diagram of module connection of another automatic low-voltage line leakage identification and alarm device provided by the present invention;
fig. 3 is the utility model provides a pair of ammeter case schematic diagram with automatic discernment of low voltage line electric leakage, alarm device and residual current circuit breaker.
Reference numerals:
100 electric leakage detection mechanism 200 warning mechanism 300 signal processing mechanism
400 monitoring mechanism 500 wireless signal transfer mechanism 600 ammeter body
900GPS positioner of 800 leakage circuit breaker of 700 electric meter box shell
110 first hall sensor 120 second hall sensor 130 amplifier
210 warning signal 220 warning sounder 310 filter
320A/D converter
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides an automatic identification and alarm device for low-voltage line leakage, as shown in figure 1, comprising a leakage detection mechanism 100 and a warning mechanism 200.
Specifically, the leakage detection mechanism 100 is connected to the warning mechanism 200, the leakage detection mechanism 100 includes a first hall sensor 110, a second hall sensor 120, and an amplifier 130, the first hall sensor 110 and the second hall sensor 120 are respectively disposed on a zero line and a live line at an output end or an input end of the power transmission line, and the first hall sensor 110 and the second hall sensor 120 are connected to the amplifier 130.
In specific implementation, as shown in fig. 1, the leakage detection mechanism 100 tests the zero line and the live line on the input end or the output end of the power transmission line through the first hall sensor 110 and the second hall sensor 120, and simultaneously detects whether the currents of the zero line and the live line at two ends of the load are the same, if the currents of the zero line and the live line are different, a leakage phenomenon exists, then the first hall sensor 110 and the second hall sensor 120 can generate different induced currents I1 and I2, according to kirchhoff's current law, the vector sum of the main currents is the leakage current, so that the hall device can output the currents, and the output currents are amplified to the warning mechanism 200 to supply power through the amplifier 130 and the corresponding external power supply, thereby achieving the warning effect. The Hall sensor has the characteristics of small volume, light weight, long service life, high sensitivity, strong anti-interference performance, high frequency, low power consumption and the like, and meets the increasingly compact requirement of the internal structure of the current electronic product while realizing high-efficiency detection.
Specifically, the warning mechanism 200 includes a warning signal 210.
During specific implementation, when the electric leakage does not occur on the line, the warning signal lamp 210 is in an off state, when the short circuit occurs on the line, a circuit exists on the connection line between the warning mechanism 200 and the electric leakage detection mechanism 100, and the warning signal lamp 210 is turned on to realize a warning function.
Preferably, the leakage detection device further comprises a signal processing mechanism 300 and a monitoring mechanism 400, wherein the signal processing mechanism 300 is connected with the leakage detection mechanism 100, the monitoring mechanism 600 is connected with the signal processing mechanism 300, and the signal processing mechanism 300 comprises a filter 310 and an a/D converter 320 which are connected in sequence. The signal processing mechanism 300 and the leakage detecting mechanism 100 are preferably connected by a signal, so that the purpose of remote monitoring can be achieved.
In specific implementation, as shown in fig. 2, when there is leakage current, the leakage detecting mechanism 100 connected to the leakage detecting mechanism 100 receives an electrical signal sent by the leakage detecting mechanism 100, where the electrical signal may be a power carrier signal, and filters out an impurity signal generated by the hall sensor through the filter 310, and then converts the analog quantity into a digital quantity through the a/D converter 320, and monitors the converted digital signal by the mechanism 400; according to the above transmission manner, the monitoring mechanism 400 can determine which specific device has an electric leakage fault corresponding to the digital signal through the transmitted digital signal, and then arrange the maintenance personnel to go to the corresponding electric leakage position for fault removal, and notify the related personnel of the specific device of the electric leakage fault rapidly.
In specific implementation, the monitoring mechanism 400 is mainly used as a signal receiving terminal of the signal processing mechanism 300, when the user circuit has an electric leakage condition, the signal processing mechanism 300 transmits the processed signal to the monitoring mechanism 400, and the monitoring mechanism 400 can contact maintenance personnel through the transmitted signal in an emergency, and arrange the maintenance personnel to go to a designated location for troubleshooting.
Preferably, a wireless signal transmission mechanism 500 is further included, and the wireless signal transmission mechanism 500 is connected with the signal processing mechanism 300.
In specific implementation, as shown in fig. 2, as a preferred scheme, a wireless signal transmission mechanism 500 may be further provided, the processed digital information is transmitted to the monitoring mechanism 400 through the wireless signal transmission mechanism 500, a parallel mode with a wired signal transmission mode is adopted, it is further ensured that the leakage information can be accurately and quickly transmitted to the monitoring mechanism 400, and maintenance delay due to failure of the electrical signal transmission is prevented.
Preferably, the warning signal lamp 210 is an LED lamp.
During the concrete implementation, warning signal lamp 210 can be the LED lamp, because the LED lamp luminous efficiency is high when night, the electric leakage trouble appears, can let the maintenance personal clear discovery fault point fast, and in addition, LED lamp voltage strong adaptability, electricity-saving lamp characteristics have especially increased its practicality.
Preferably, the warning mechanism 200 further includes a warning enunciator 220.
During specific implementation, warning mechanism 200 can also carry out sound prompt this regional circuit leakage fault through setting up warning generator 220, and collocation warning signal lamp 210 can realize finding the user that the leakage fault appears more fast.
Preferably, the utility model also provides an ammeter, which adopts the automatic low-voltage line leakage identification and alarm device; the electric meter also comprises an electric meter body 600 and an electric leakage breaker 800; the ammeter body 600 is connected with the automatic low-voltage line electric leakage identification and alarm device, and the electric leakage circuit breaker 800 is arranged on an input or output line of an ammeter power transmission line.
When the leakage circuit breaker 800 is arranged on an input or output circuit of an electric transmission line of an electric meter, the current of a zero line and the current of a live line are unequal in magnitude during leakage, an alternating magnetic field generated by alternating current cannot be offset, induced current exists in a coil, and the induced current is amplified by an amplifying circuit to drive an actuating mechanism to break a circuit. According to the above embodiment, when there is an electric leakage condition in the user circuit, the electric leakage breaker 800 may break the circuit to realize safety protection, and the electric leakage breaker 800 may be a CDL7 series electric leakage breaker, a DZL18 series electric leakage breaker, or the like, and may be set according to actual conditions.
Preferably, a GPS locator 900 is also provided in the electricity meter.
During specific implementation, still be provided with GPS locator 900 in the ammeter, GPS locator 900 and monitoring mechanism 400 remote signal are connected, and when breaking down, monitoring mechanism 400 and maintenance personal can be through the GPS locator 900 who sets up, and the concrete position of accurate location trouble circuit reduces the time of looking for trouble circuit, makes things convenient for maintenance personal to arrive the scene fast and overhauls, has improved work efficiency greatly.
Preferably, the utility model also provides an electricity meter box, which adopts the automatic low-voltage line leakage identification and alarm device; still include ammeter case shell 700 and residual-current circuit breaker 800, residual-current circuit breaker 800 sets up on ammeter case total transmission line's input or output line, be provided with ammeter body 600 in the ammeter case shell 700.
During specific implementation, as shown in fig. 3, the setting of ammeter case shell 700 can be effectual protects the ammeter, can also be through concentrating on an ammeter case with a plurality of ammeters in, convenience of customers inquires and reduce cost, increase space utilization.
In specific implementation, as shown in fig. 3, the residual current circuit breaker 800 is disposed on an input or output line of a power transmission line of an electricity meter box, when electric leakage occurs, the currents of a zero line and a live line are not equal, an alternating magnetic field generated by an alternating current cannot be offset, an induced current exists in a coil, and the induced current is amplified by an amplifying circuit to drive an actuating mechanism to open or close the circuit. According to the above embodiment, when the user circuit has an electric leakage condition, the electric leakage breaker 800 will disconnect the circuit, thereby realizing safety protection.
Moreover, as a preferred scheme, as shown in fig. 3, in the case that the residual current circuit breaker 800 is large in size, and in the electric meter box formed by a plurality of electric meters, only one residual current circuit breaker 800 may be disposed on the total power transmission line connected to the electric meter box, and when one of the electric meters indicates that there is a leakage fault, the whole circuit is disconnected, thereby achieving more effective safety protection.
Preferably, a GPS locator 900 can also be arranged in the electric meter box.
In specific implementation, when a plurality of electric meters are arranged in one electric meter box, only one GPS positioner 900 is required to be arranged in the electric meter box, and the arrangement of the GPS positioner 900 for all the electric meters is not required; GPS locator 900 and monitoring mechanism 400 remote signal are connected, and when breaking down, monitoring mechanism 400 and maintenance personal can be through the GPS locator 900 who sets up, and the concrete position of accurate positioning fault circuit reduces the time of looking for the fault circuit, makes things convenient for maintenance personal to arrive the scene fast and overhauls, has improved work efficiency greatly.
Finally, it should be pointed out that the inventive concept of the present invention is to combine specific components and connection relations to obtain an automatic low-voltage line leakage identification and alarm device, and the specific circuit connection modes of the related components are the technologies that can be realized by those skilled in the art according to the inventive concept of the present invention and the prior art, so that no description is needed in the present specification.
Although terms such as an electrical leakage detection mechanism, a warning mechanism, a signal processing register, a monitoring mechanism, a wireless signal transmission mechanism, a meter body, a meter box housing, an electrical leakage breaker, a GPS locator, a first hall sensor, a second hall sensor, an amplifier, a warning signal lamp, a warning generator, a filter, an a/D converter, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. An electricity meter, characterized by: comprises an automatic identification and alarm device for low-voltage line leakage;
the automatic low-voltage line leakage identification and alarm device comprises a leakage detection mechanism (100) and a warning mechanism (200);
the electric leakage detection mechanism (100) is connected with the warning mechanism (200), the electric leakage detection mechanism (100) comprises a first Hall sensor (110), a second Hall sensor (120) and an amplifier (130), the first Hall sensor (110) and the second Hall sensor (120) are respectively arranged on a zero line and a live line of the output end or the input end of the power transmission line, and the first Hall sensor (110) and the second Hall sensor (120) are connected with the amplifier (130);
the warning mechanism (200) comprises a warning signal lamp (210);
the electric meter also comprises an electric meter body (600) and an electric leakage breaker (800); the electric meter is characterized in that the electric meter body (600) is connected with the automatic low-voltage line electric leakage identification and alarm device, and the electric leakage circuit breaker (800) is arranged on an input or output line of an electric meter power transmission line.
2. An electricity meter in accordance with claim 1, wherein: still include signal processing mechanism (300) and monitoring mechanism (400), signal processing mechanism (300) are connected with electric leakage detection mechanism (100), signal processing mechanism (300) are connected in monitoring mechanism (400), signal processing mechanism (300) include wave filter (310) and AD converter (320), and the two connects in order.
3. An electricity meter in accordance with claim 2, wherein: the device also comprises a wireless signal transmission mechanism (500), wherein the wireless signal transmission mechanism (500) is connected with the signal processing mechanism (300).
4. An electricity meter in accordance with claim 1, wherein: the warning signal lamp (210) is an LED lamp.
5. An electricity meter in accordance with claim 1, wherein: the warning mechanism (200) further comprises a warning sounder (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578543.XU CN210142173U (en) | 2019-04-25 | 2019-04-25 | Electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578543.XU CN210142173U (en) | 2019-04-25 | 2019-04-25 | Electric meter |
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| Publication Number | Publication Date |
|---|---|
| CN210142173U true CN210142173U (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920578543.XU Active CN210142173U (en) | 2019-04-25 | 2019-04-25 | Electric meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782643A (en) * | 2021-03-26 | 2021-05-11 | 国家电网有限公司 | Electric energy meter abnormity detection equipment |
| CN113702787A (en) * | 2021-09-15 | 2021-11-26 | 广东电网有限责任公司 | Method and device for detecting insulated wire of low-voltage line |
| CN114089073A (en) * | 2021-11-22 | 2022-02-25 | 江苏兴宙微电子有限公司 | Leakage detection device and leakage detection method |
-
2019
- 2019-04-25 CN CN201920578543.XU patent/CN210142173U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782643A (en) * | 2021-03-26 | 2021-05-11 | 国家电网有限公司 | Electric energy meter abnormity detection equipment |
| CN113702787A (en) * | 2021-09-15 | 2021-11-26 | 广东电网有限责任公司 | Method and device for detecting insulated wire of low-voltage line |
| CN114089073A (en) * | 2021-11-22 | 2022-02-25 | 江苏兴宙微电子有限公司 | Leakage detection device and leakage detection method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 189, Lingdou North Road, Siming District, Xiamen City, Fujian Province 361008 Patentee after: Xiamen Smart Power New Energy Technology Co.,Ltd. Address before: No. 189, Lingdou North Road, Siming District, Xiamen City, Fujian Province 361008 Patentee before: XIAMEN ELECTRIC WHOLE SET EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |