CN201781262U - Intelligent electronic electric leakage protector - Google Patents
Intelligent electronic electric leakage protector Download PDFInfo
- Publication number
- CN201781262U CN201781262U CN200920215913XU CN200920215913U CN201781262U CN 201781262 U CN201781262 U CN 201781262U CN 200920215913X U CN200920215913X U CN 200920215913XU CN 200920215913 U CN200920215913 U CN 200920215913U CN 201781262 U CN201781262 U CN 201781262U
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Abstract
The utility model discloses an intelligent electronic electric leakage protector comprising a housing, and a high-current relay and a current transformer, which are arranged in the housing, wherein the current transformer is connected with the input end of the high-current relay, a single-phase multi-rate electric energy metering chip is further arranged in the housing, and an interface chip, a drain current sampling loop, a current sampling loop, a resistor divider sampling loop, a driving circuit and an outlet detection feedback loop are connected on the single-phase multi-rate electric energy metering chip. The intelligent electronic electric leakage protector can fully effectively use the information transmission function of an intelligent ammeter, lead a power utilization department to master power utilization situation of terminal residents and safety power utilization situation in time, and actively make a maintenance scheme, ensure the satisfaction of a customer and reduce the maintenance cost.
Description
Technical field
The utility model relates to a kind of device that is used for electric power system, a kind of specifically intelligent electronic leakage protector.
Background technology
Existing earth leakage protective device only has simple function; as basic creepage protection function, automatic switching-in function etc., but this protector can't be realized functions such as following leakage current detection, electric energy detection, current detecting, voltage detecting, power detection, tripping operation control, RS485 communication or the carrier communication of existing intelligent electric meter, sound and light alarm, manual test simultaneously.So the information transfer capability that existing earth leakage protective device can't effectively use intelligent electric meter to have makes electricity consumption department in time grasp terminal residential electricity consumption situation, safety utilization of electric power situation, initiatively make maintenance program, guarantee that the user is satisfied, reduces maintenance cost.
Summary of the invention
The purpose of this utility model is to design a kind of intelligent electronic leakage protector.
To be solved in the utility model is that existing earth leakage protective device function is simple; the information transfer capability that can't effectively use intelligent electric meter to have; make electricity consumption department in time grasp terminal residential electricity consumption situation, safety utilization of electric power situation, initiatively make maintenance program, guarantee the problem of user's satisfaction and reduction maintenance cost.
One of the technical solution of the utility model is: it comprises housing, be located at the high-current relay summation current transformer in the housing, current transformer is connected to the input of high-current relay, also be provided with single-phase multiple rate electric energy computation chip in the housing, be connected with the interface chip that is used to communicate by letter on this single-phase multiple rate electric energy computation chip, be used to gather the leakage current sampling circuit that A/D converter connects that passes through of leakage current, be used to gather the current sampling circuit of electric current, be used to gather the electric resistance partial pressure sampling circuit of voltage, the outlet that is used to drive the drive circuit of relay and is used for the relay output end current detecting detects feedback loop, and single-phase multiple rate electric energy computation chip is to from interface chip, the leakage current sampling circuit, current sampling circuit, the electric resistance partial pressure sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer, and current sampling circuit is connected with manganese copper diverter, and manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input
Two of the technical solution of the utility model is: it comprises housing, be located at the high-current relay summation current transformer in the housing, current transformer is connected to the input of high-current relay, also be provided with central processing unit in the housing, be connected with the electric energy computation chip of metering electric weight on the central processing unit, the interface chip that is used to communicate by letter, be used to gather the leakage current sampling circuit of leakage current, the outlet that is used to drive the drive circuit of relay and is used for the relay output end current detecting detects feedback loop, and central processing unit is used for from electric energy computation chip, interface chip, the leakage current sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer; Be connected with the current sampling circuit of gathering electric current and the electric resistance partial pressure sampling circuit of gathering voltage on the described electric energy computation chip, current sampling circuit is connected with manganese copper diverter, manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input.
The utility model has the advantages that: the information transfer capability that the utility model fully effectively uses intelligent electric meter to have, make electricity consumption department in time grasp terminal residential electricity consumption situation, safety utilization of electric power situation, initiatively make maintenance program, guarantee that the user is satisfied, reduces maintenance cost.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model scheme one.
Fig. 2 is the utility model surface structure schematic diagram.
Fig. 3 is the left surface schematic diagram of Fig. 2.
Fig. 4 is the schematic block circuit diagram of the utility model scheme two.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one
As Fig. 1, Fig. 2 and shown in Figure 3, intelligent electronic leakage protector of the present utility model comprises housing 1, is located at the high-current relay summation current transformer in the housing 1, and current transformer is connected to the input of high-current relay.Be provided with single-phase multiple rate electric energy computation chip in the housing 1, be connected with the interface chip that is used to communicate by letter on this single-phase multiple rate electric energy computation chip, be used to gather the leakage current sampling circuit (unit) that A/D converter connects that passes through of leakage current, be used to gather the current sampling circuit (unit) of electric current, be used to gather the electric resistance partial pressure sampling circuit (unit) of voltage, the outlet that is used to drive the drive circuit (unit) of relay and is used for the relay output end current detecting detects feedback loop (unit), and single-phase multiple rate electric energy computation chip is to from interface chip, the leakage current sampling circuit, current sampling circuit, the electric resistance partial pressure sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer, and current sampling circuit is connected with manganese copper diverter, and manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input.
Single-phase multiple rate electric energy computation chip is the single-phase multiple rate electric energy computation chip of band 8052MCU, transducer is 10 A/D converters, interface chip RS485 interface chip or carrier communication chip, high-current relay double-pole single-throw (D.P.S.T.) high-current relay, outlet detects the feedback loop photoelectrical coupler; Be connected with protective circuit on the RS485 interface chip, in order to be burnt out on the protection RS485 interface chip.
The eeprom memory that also is connected with on the single-phase multiple rate electric energy computation chip, the function of this memory are to be used to store data to take data at any time with power supply power meter reading terminal.
Also be provided with the resistance-capacitance depressurization electric power loop in the housing 1, be connected in the L end and the N end of power input; Be connected with the closing by hand switch on the high-current relay.Housing 1 is provided with communication terminal 2 and installing hole 3.
Power input is connected with power supply indicator.Be connected with on the single-phase multiple rate electric energy computation chip: alarm buzzer, the test button that is used to playback, communication indicator light, electric leakage indicator light, overload light, combined floodgate indicator light.
The utility model is Eco-power earth leakage protective device, has functions such as leakage current detection, electric energy detection, power detection, tripping operation control, RS485 communication, sound and light alarm, manual test.
Embodiment two
As shown in Figure 4, intelligent electronic leakage protector of the present utility model, comprise housing, be located at the high-current relay summation current transformer in the housing, current transformer is connected to the input of high-current relay, be provided with central processing unit in the housing, be connected with the electric energy computation chip of metering electric weight on the central processing unit, the interface chip that is used to communicate by letter, be used to gather the leakage current sampling circuit (unit) of leakage current, the outlet that is used to drive the drive circuit (unit) of relay and is used for the relay output end current detecting detects feedback loop (unit), and central processing unit is used for from electric energy computation chip, interface chip, the leakage current sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer; Be connected with the current sampling circuit (unit) of gathering electric current and the electric resistance partial pressure sampling circuit (unit) of gathering voltage on the described electric energy computation chip, current sampling circuit is connected with manganese copper diverter, manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input.
Central processing unit AVR risc processor, electric energy computation chip pulsed single-phase electric energy computation chip, interface chip RS485 interface chip, high-current relay detects the feedback loop photoelectrical coupler with double-pole single-throw (D.P.S.T.) high-current relay or two single-phase magnetic latching relays, outlet; Be connected with protective circuit on the RS485 interface chip, in order to be burnt out on the protection RS485 interface chip.
Also be provided with the resistance-capacitance depressurization electric power loop in the housing, be connected in the L end and the N end of power input; Power input is connected with power supply indicator; Be connected with the closing by hand switch on the high-current relay.Be connected with on the central processing unit: be used for alarm buzzer, the test button that is used to playback, communication indicator light, electric leakage indicator light, overload light, combined floodgate indicator light.
Claims (10)
1. intelligent electronic leakage protector, comprise housing, be located at the high-current relay summation current transformer in the housing, current transformer is connected to the input of high-current relay, it is characterized in that being provided with in the housing single-phase multiple rate electric energy computation chip, be connected with the interface chip that is used to communicate by letter on this single-phase multiple rate electric energy computation chip, be used to gather the leakage current sampling circuit that A/D converter connects that passes through of leakage current, be used to gather the current sampling circuit of electric current, be used to gather the electric resistance partial pressure sampling circuit of voltage, the outlet that is used to drive the drive circuit of relay and is used for the relay output end current detecting detects feedback loop, and single-phase multiple rate electric energy computation chip is to from interface chip, the leakage current sampling circuit, current sampling circuit, the electric resistance partial pressure sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer, and current sampling circuit is connected with manganese copper diverter, and manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input.
2. intelligent electronic leakage protector according to claim 1, it is characterized in that the single-phase multiple rate electric energy computation chip of single-phase multiple rate electric energy computation chip for band 8052MCU, transducer is 10 A/D converters, interface chip RS485 interface chip or carrier communication chip, high-current relay double-pole single-throw (D.P.S.T.) high-current relay, outlet detects the feedback loop photoelectrical coupler; Be connected with protective circuit on the RS485 interface chip, in order to be burnt out on the protection RS485 interface chip.
3. intelligent electronic leakage protector according to claim 1 is characterized in that the single-phase eeprom memory that also is connected with on the rate electric energy computation chip of answering, and the function of this memory is to be used to store data to take data at any time with power supply power meter reading terminal.
4. intelligent electronic leakage protector according to claim 1 is characterized in that also being provided with the resistance-capacitance depressurization electric power loop in the housing, is connected in the L end and the N end of power input; Be connected with the closing by hand switch on the high-current relay.
5. intelligent electronic leakage protector according to claim 1 is characterized in that power input is connected with power supply indicator.
6. intelligent electronic leakage protector according to claim 1 is characterized in that being connected with alarm buzzer on the single-phase multiple rate electric energy computation chip test button that is used to playback, communication indicator light, electric leakage indicator light, overload light, combined floodgate indicator light.
7. intelligent electronic leakage protector, comprise housing, be located at the high-current relay summation current transformer in the housing, current transformer is connected to the input of high-current relay, it is characterized in that being provided with in the housing central processing unit, be connected with the electric energy computation chip of metering electric weight on the central processing unit, the interface chip that is used to communicate by letter, be used to gather the leakage current sampling circuit of leakage current, the outlet that is used to drive the drive circuit of relay and is used for the relay output end current detecting detects feedback loop, and central processing unit is used for from electric energy computation chip, interface chip, the leakage current sampling circuit, drive circuit and outlet detect the signal of feedback loop and handle and control; The leakage current sampling circuit is connected with current transformer; Be connected with the current sampling circuit of gathering electric current and the electric resistance partial pressure sampling circuit of gathering voltage on the described electric energy computation chip, current sampling circuit is connected with manganese copper diverter, manganese copper diverter is connected with the N end of power input, and the electric resistance partial pressure sampling circuit is connected with the N end and the L end of power input.
8. intelligent electronic leakage protector according to claim 7, it is characterized in that central processing unit AVR risc processor, electric energy computation chip pulsed single-phase electric energy computation chip, interface chip RS485 interface chip, high-current relay detects the feedback loop photoelectrical coupler with double-pole single-throw (D.P.S.T.) high-current relay or two single-phase magnetic latching relays, outlet; Be connected with protective circuit on the RS485 interface chip, in order to be burnt out on the protection RS485 interface chip.
9. intelligent electronic leakage protector according to claim 7 is characterized in that also being provided with the resistance-capacitance depressurization electric power loop in the housing, is connected in the L end and the N end of power input; Power input is connected with power supply indicator; Be connected with the closing by hand switch on the high-current relay.
10. intelligent electronic leakage protector according to claim 7 is characterized in that being connected with on the central processing unit and is used for alarm buzzer, the test button that is used to playback, communication indicator light, electric leakage indicator light, overload light, combined floodgate indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920215913XU CN201781262U (en) | 2009-12-31 | 2009-12-31 | Intelligent electronic electric leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920215913XU CN201781262U (en) | 2009-12-31 | 2009-12-31 | Intelligent electronic electric leakage protector |
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| Publication Number | Publication Date |
|---|---|
| CN201781262U true CN201781262U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920215913XU Expired - Lifetime CN201781262U (en) | 2009-12-31 | 2009-12-31 | Intelligent electronic electric leakage protector |
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| Country | Link |
|---|---|
| CN (1) | CN201781262U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290861A (en) * | 2011-07-26 | 2011-12-21 | 大江控股集团有限公司 | Intelligent modular comprehensive terminal protector |
| CN102761173A (en) * | 2012-06-15 | 2012-10-31 | 王成楷 | Intelligent electric meter with functions of leakage remote monitoring and protection |
| CN101741059B (en) * | 2009-12-31 | 2012-11-21 | 嘉兴市永信电子有限公司 | Intelligent electronic leakage protector |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN102879637A (en) * | 2012-09-26 | 2013-01-16 | 杭州华三通信技术有限公司 | Acquisition device and method for energy consumption in POE (power over Ethernet) system |
| CN102879635A (en) * | 2012-09-19 | 2013-01-16 | 唐华 | Energy consumption monitoring, subentry measuring and analysis warning system |
| CN102879636A (en) * | 2012-09-19 | 2013-01-16 | 天津大学 | Office energy consumption collection and transmission ultralimit alarm device |
| CN104374964A (en) * | 2014-11-05 | 2015-02-25 | 江苏省电力公司常州供电公司 | Electric energy meter capable of measuring residual currents |
| CN105119109A (en) * | 2015-08-10 | 2015-12-02 | 珠海格力电器股份有限公司 | Electric leakage detection method and socket |
| WO2016070676A1 (en) * | 2014-11-05 | 2016-05-12 | 江苏省电力公司常州供电公司 | Smart electric meter capable of measuring residual current |
| CN106328450A (en) * | 2015-07-02 | 2017-01-11 | 国网天津市电力公司 | Intelligent circuit breaker |
| CN110676800A (en) * | 2019-09-28 | 2020-01-10 | 浙江潮达科技有限公司 | Intelligent purification and stability device |
-
2009
- 2009-12-31 CN CN200920215913XU patent/CN201781262U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741059B (en) * | 2009-12-31 | 2012-11-21 | 嘉兴市永信电子有限公司 | Intelligent electronic leakage protector |
| CN102290861A (en) * | 2011-07-26 | 2011-12-21 | 大江控股集团有限公司 | Intelligent modular comprehensive terminal protector |
| CN102761173B (en) * | 2012-06-15 | 2014-09-03 | 王成楷 | Intelligent electric meter with functions of leakage remote monitoring and protection |
| CN102761173A (en) * | 2012-06-15 | 2012-10-31 | 王成楷 | Intelligent electric meter with functions of leakage remote monitoring and protection |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN102830255B (en) * | 2012-08-23 | 2016-03-16 | 王金泽 | A kind of intelligent electric energy meter with electricity consumption malfunction monitoring defencive function |
| CN102879635B (en) * | 2012-09-19 | 2015-10-14 | 天津锐锟科技有限公司 | Energy consumption monitoring, metering separate and analyzing and alarming system |
| CN102879635A (en) * | 2012-09-19 | 2013-01-16 | 唐华 | Energy consumption monitoring, subentry measuring and analysis warning system |
| CN102879636A (en) * | 2012-09-19 | 2013-01-16 | 天津大学 | Office energy consumption collection and transmission ultralimit alarm device |
| CN102879636B (en) * | 2012-09-19 | 2015-09-16 | 天津大学 | Office energy consumption collect and transmit pressure out-of-limit alarming device |
| CN102879637A (en) * | 2012-09-26 | 2013-01-16 | 杭州华三通信技术有限公司 | Acquisition device and method for energy consumption in POE (power over Ethernet) system |
| CN102879637B (en) * | 2012-09-26 | 2015-11-25 | 杭州华三通信技术有限公司 | Energy consumption harvester and method in a kind of POE system |
| CN104374964A (en) * | 2014-11-05 | 2015-02-25 | 江苏省电力公司常州供电公司 | Electric energy meter capable of measuring residual currents |
| WO2016070676A1 (en) * | 2014-11-05 | 2016-05-12 | 江苏省电力公司常州供电公司 | Smart electric meter capable of measuring residual current |
| CN104374964B (en) * | 2014-11-05 | 2017-07-18 | 江苏省电力公司常州供电公司 | The electric energy meter of measurable residual current |
| CN107328969A (en) * | 2014-11-05 | 2017-11-07 | 江苏省电力公司常州供电公司 | A kind of electric energy meter of measurable residual current |
| CN106328450A (en) * | 2015-07-02 | 2017-01-11 | 国网天津市电力公司 | Intelligent circuit breaker |
| CN105119109A (en) * | 2015-08-10 | 2015-12-02 | 珠海格力电器股份有限公司 | Electric leakage detection method and socket |
| CN105119109B (en) * | 2015-08-10 | 2017-12-26 | 珠海格力电器股份有限公司 | Electric leakage detection method and socket |
| CN110676800A (en) * | 2019-09-28 | 2020-01-10 | 浙江潮达科技有限公司 | Intelligent purification and stability device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20091231 |
|
| RGAV | Abandon patent right to avoid regrant |