CN109687414A - It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker - Google Patents
It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker Download PDFInfo
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- CN109687414A CN109687414A CN201910161538.3A CN201910161538A CN109687414A CN 109687414 A CN109687414 A CN 109687414A CN 201910161538 A CN201910161538 A CN 201910161538A CN 109687414 A CN109687414 A CN 109687414A
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- current transformer
- breaker
- electricity consumption
- consumption line
- industry
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- 230000005611 electricity Effects 0.000 title claims abstract description 58
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 238000004891 communication Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000004992 fission Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 235000006662 Lansium Nutrition 0.000 description 2
- 241001156382 Lansium Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
Abstract
The invention discloses a kind of to be used for industry and residential electricity consumption line protective devices based on breaker, comprising: is respectively used to temperature sensor, current transformer and the leakage current transformer of acquisition electricity consumption line temperature, electric current and the stream information that leaks electricity；The temperature sensor, current transformer and leakage current transformer pass through data acquisition module respectively and connect with processor.The invention has the advantages that: can the electric current of acquisition electric line, temperature and leakage current numerical value in real time, according to the alarm of collected Numerical Control or cut-off loop, to reach protection resident's productive life safety, protection electric line purpose.
Description
Technical field
The present invention relates to breaker technical fields, are used for industry and residence based on breaker in particular to a kind of
Civil electric wire line protection device.
Background technique
2011 to 2016, China's work occurred electrical fire 52.4 ten thousand, caused 3261 people death, 2063 people injured,
9,200,000,000 Yu Yuan of direct economic loss accounts for 30% or more of national fire total amount and casualty loss, wherein particularly serious electrical fire
17, account for the 70% of fire accidents sum.The principal element of initiation electrical fire is because excessively high for cable temperature, electric current mistake
It carries, residual current overload, the reasons such as sparking electric arc cause.It is more than 15 years or more office buildings and residents especially with the time limit
Building, the probability for electrical fire occur increased dramatically.
Along with the development of global intelligence manufacture and wisdom fire-fighting Internet of Things, either distribution and electricity consumption, it is proposed use
The detection visualization of electric line current temperature, partially with being automatically controlled after line fault, history electricity consumption data can inquire etc.
Intelligent requirements.Traditional breaker cannot achieve these functions, in order to meet the requirements, need on the basis of conventional circuit breaker
Upper increase wireline inspection protects equipment；There is problems for existing wireline inspection protection equipment on the market at present, such as:
(1) only the total input-wire of distribution box (including: control cabinet or electric cabinet etc.) is monitored, is cannot achieve to each point
The fine monitoring of circuit breaker；
(2) since the breaker quantity in distribution box is different, if it is desired to detect, then have to each circuit breaker
In the installation space of limit, the installation of each wireline inspection protection equipment causes layout chaotic.
(3) existing line monitoring device volume is excessive, cannot achieve and installs in distribution box；
(4) in narrow space, continuous multiple sensors cannot achieve parallel installation, need spatial position up and down
It is staggered；Occupied space is big, and installation difficulty is high, and when space is too small, may result in can not be installed.
(5) power supply power supply line and sensor connecting line are intricate, influence heat dissipation, beautiful and electrical overhaul etc. in cabinet；
(6) for pressure line monitoring device when being installed, field device power off time is long, erecting bed is chaotic, be easy to cause
Installation personnel safety accident.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of is used for industry and residential electricity consumption route guarantor based on breaker
Protection unit, the device use modularization and standardized designs, can have electricity consumption line temperature in conjunction with existing breaker body
Detection, electricity consumption line current detection, electricity consumption line electrical leakage stream detection and use electric line overtemperature, overcurrent alarm etc. functions.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of protecting for industry and residential electricity consumption route based on breaker disclosed in one or more embodiments
Protection unit, comprising: be respectively used to temperature sensor, the Current Mutual Inductance of acquisition electricity consumption line temperature, electric current and the stream information that leaks electricity
Device and leakage current transformer；The temperature sensor, current transformer and leakage current transformer pass through data acquisition module respectively
It is connect with processor；The protective device is mounted on the wiring position suitable for reading or lower mouth wiring position of breaker, using outside
Power supply power supply directly obtains power supply from breaker.
Further, it when the protective device directly obtains power supply from breaker, is connect by electricity getting device with breaker,
The electricity getting device includes: strong magnetic conductance electric probe, and the strong magnetic conductance electric probe is connect by spring with protective device, the spring
It is arranged in conductive axle sleeve, strong magnetic conductance electric probe under the action of the spring can be flexible along conductive axle sleeve.
Further, the difference between the current transformer internal diameter and outer diameter is less than setting value；It is mutual by increasing electric current
The height of sensor guarantees that operating current meets sets requirement；
Further, the coated insulating layer of spraying process is used on the iron core of current transformer.
Under normal conditions, the aperture of current transformer needs to meet the work electricity that certain size can reach required
Stream, this also just determines the occupied volume of current transformer；In order to reduce the volume of current transformer as far as possible, using reduction
Current transformer core thickness, simultaneously increase current transformer height mode, while reducing volume guarantee electric current it is mutual
The internal orifice dimension of sensor is met the requirements, to guarantee that operating current is constant.
In addition, iron core is that line is easy to interrupt on iron core since enameled wire is directly wound on by silicon steel coiling, it is existing
Scheme usually requires first to wrap one layer of Calusena lansium on iron core, can reduce the inner hole of current transformer core in this way；In the present solution, directly
One layer of insulated paint is sprayed on current transformer core, not only can solve coiling problem, but also can increase in current transformer core
Aperture.
It further, further include shell, the temperature sensor, current transformer and leakage current transformer are arranged at shell
In vivo.
Further, further include shell, several connecting terminals are set on the shell, the temperature sensor, electric current are mutual
The setting position outside shell is arranged at least one of sensor and leakage current transformer, and passes through lead and the connecting terminal
Connection；
Further, in hull outside, the current transformer is open-close type current mutual inductance for the current transformer setting
Device.
Further, the connecting terminal exempts from connecting terminal using the combined connecting terminal or standard of standard.
Further, further includes: display module；The display module is connect with processor, for real-time display electric wire
Circuit node temperature and line current.
Further, further includes: alarm module, the alarm module are connect with processor, according to the alarming value of setting or
Off value adjusts sound-light alarm flicker frequency or sound frequency in real time.
Further, further includes: communication module, the communication module are connect with processor；The communication module includes: to have
Line communication module and/or wireless communication module；Carried out data transmission by the communication module with central machine room.
Further, the processor is connect with graphic control panel, is acquired and is shown in real time by touch screen and uses electric line
Node temperature value, electricity consumption line electricity flow valuve and electricity consumption line electrical leakage flow valuve, while carrying out superthreshold alarm and/or shutdown report
It is alert.
Compared with prior art, the beneficial effects of the present invention are:
Can the electric current of acquisition electric line, temperature and leakage current numerical value in real time, according to collected Numerical Control report
Alert or cut-off loop, to reach protection resident's productive life safety, protection electric line purpose.
Using modularization and standardized designs, under the premise of not needing specialized maintenance personnel operation, field personnel
Can aforesaid operations voluntarily be completed according to operating instruction；To reduce the consumption of man power and material.
Protective device is small in size, can be directly installed in control cabinet according to actual needs.
The structure of current transformer increases inner hole, further increases the installation space of current transformer.
Protective device is mounted on the wiring position suitable for reading or lower mouth wiring position of breaker, directly obtains electricity from breaker
Source eliminates power supply line, reduces wiring error；It effectively shortens electrical equipment idle time, it is empty to save wiring in case
Between, reduce site operation cost.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is based on breaker in embodiment one for industry and residential electricity consumption line protective devices structural schematic diagram；
Fig. 2 is based on breaker in embodiment two for industry and residential electricity consumption line protective devices structural schematic diagram one；
Fig. 3 is based on breaker in embodiment two for industry and residential electricity consumption line protective devices structural schematic diagram two；
Fig. 4 is based on breaker in embodiment two for industry and residential electricity consumption line protective devices structural schematic diagram three；
Wherein, 1. shell, 2. connecting terminals, 3. current transformers, the seperated current transformer of 3-1. first, 3-2. second divide
Body current transformer, 4. temperature sensors, 5. leakage current transformers.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms that the present invention uses have logical with the application person of an ordinary skill in the technical field
The identical meanings understood.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Embodiment one
One kind is disclosed in one or more embodiments based on breaker for industry and residential electricity consumption route protection
Device, as shown in Figure 1, comprising: shell 1 is respectively arranged to acquisition electricity consumption line temperature, electric current and leakage in the shell 1
Temperature sensor 4, current transformer 3 and the leakage current transformer 5 of current information；The temperature sensor 4, current transformer 3
It is connect respectively by data acquisition module with high-speed CPU module with leakage current transformer 5.
As further scheme, the difference between 3 internal diameter of current transformer and outer diameter is less than setting value；Pass through increase
The height of current transformer 3 guarantees that operating current meets sets requirement；Also, using spraying work on the iron core of current transformer 3
The coated insulating layer of skill.
Under normal conditions, the aperture of current transformer needs to meet the work electricity that certain size can reach required
Stream, this also just determines the occupied volume of current transformer；In order to reduce the volume of current transformer as far as possible, using reduction
Current transformer core thickness, simultaneously increase current transformer height mode, while reducing volume guarantee electric current it is mutual
The internal orifice dimension of sensor is met the requirements, to guarantee that operating current is constant.
In addition, iron core is that line is easy to interrupt on iron core since enameled wire is directly wound on by silicon steel coiling, it is existing
Scheme usually requires first to wrap one layer of Calusena lansium on iron core, can reduce the inner hole of current transformer core in this way；In the present solution, directly
One layer of insulated paint is sprayed on current transformer core, not only can solve coiling problem, but also can increase in current transformer core
Aperture.
The structure of leakage current transformer 5 is identical as the structure of current transformer 3, in order to the installation of leakage current transformer 5.
In this way, just saving the installation space of entire line protective devices.
It can be reduced as far as connection line since above structure is provided entirely in shell 1, it is mixed to avoid the occurrence of wiring
Random problem；Installation space can satisfy require when, such scheme can be selected.
In some embodiments, protective device can be mounted on by breaker wiring suitable for reading according to actual installation environment
Position or lower mouth wiring position.Under this kind of mounting means, line protective devices can pass through good conductor or strong magnetic conductance electrical resistivity survey
The form of head and the connecting terminal 2 of breaker connect, and directly obtain power supply from breaker.
Using strong magnetic conductance electric probe structure type when, strong magnetic conductance electric probe passes through the voltage inside spring and protective device
Conversion equipment connection, spring are arranged in conductive axle sleeve, and strong magnetic conductance electric probe can stretch under the action of the spring along conductive axle sleeve
Contracting, to adapt to the installation in different size space.
In some embodiments, line protective devices have external LED or LCD display；It can be with real-time display route
Node temperature, real-time display electricity consumption line current.
Further, line protective devices have sound and light alarm module, and sound and light alarm module is connect with high-speed CPU module,
Sound-light alarm flashing or sound frequency can be adjusted in real time according to parameter setting alarming value or off value, remind user power utilization in time
Line fault situation.
Line protective devices have communication module, and communication module is connect with high-speed CPU module, can use wire transmission
And/or wireless transmission method, adequate transmission mode can be selected according to user demand, by data remote to central machine room.Wherein, nothing
Line transmission can select the wireless modes such as bluetooth, wifi, ZigBee, GPRS/GSM；Wire transmission can select 485 communication lines to adopt
It is connected with mode hand in hand.
Line protective devices can be connected with graphic control panel, and the route protection of acquisition display in real time can be programmed by touch screen
The electricity consumption line node temperature value of device, electricity consumption line electricity flow valuve, electricity consumption line electrical leakage flow valuve and superthreshold alarm, shutdown report
It is alert etc..
Embodiment two
One kind is disclosed in one or more embodiments based on breaker for industry and residential electricity consumption route protection
Device, comprising: shell 1 and the temperature sensing for being respectively arranged to acquisition electricity consumption line temperature, electric current and the stream information that leaks electricity
Device 4, current transformer 3 and leakage current transformer 5；Temperature sensor 4, current transformer 3 and leakage current transformer 5 pass through respectively
Data acquisition module is connect with high-speed CPU module；2 row of connecting terminal, temperature sensor 4, current transformer are set on shell 1
The setting position outside shell 1 is arranged at least one of 3 and leakage current transformer 5, and is connected by lead and connecting terminal 2
It connects.
Fig. 2 gives schematic diagram current transformer 3 and temperature sensor 4 being arranged in outside shell 1, leakage current transformer
5, data acquisition module and high-speed CPU module are arranged in shell 1；Wherein, current transformer 3 uses retractable structure, packet
It includes: the fission current transformer 3-2, the first fission current transformer 3-1 of the first fission current transformer 3-1 and second and second point
Body current transformer 3-2 Live wires road is lower to be fastened, so that it may the monitoring electric current of electric line；With peace can not be powered off
Dress, and feature easy for installation.Temperature mutual inductor is also directly installed on in electric line, current transformer 3 and temperature sensor 4
It is connect by outside lead with the connecting terminal 2 being arranged on shell 1.
As further scheme, the difference between 3 internal diameter of current transformer and outer diameter is less than setting value；Pass through increase
The height of current transformer 3 guarantees that operating current meets sets requirement；Also, using spraying work on the iron core of current transformer 3
The coated insulating layer of skill.The effect that the program is realized is identical with embodiment one.
Fig. 3 and Fig. 4, which gives, is arranged at temperature sensor 4, current transformer 3 and leakage current transformer 5 outside shell 1
The schematic diagram in portion, in figure, temperature sensor 4, current transformer 3 and leakage current transformer 5 are arranged at the route outside shell 1
On, and connect by lead with the connecting terminal 2 being arranged on shell 1.Wherein, the current transformer in Fig. 3 is using common
Current transformer form, the current transformer in Fig. 4 uses retractable structure.
The outlet structure of present embodiment is suitable for the limited situation in in-site installation space, and temperature sensor 4, electric current are mutual
Sensor 3 and the specific installation site of leakage current transformer 5 select according to the actual situation on site.
In some embodiments, protective device can be mounted on by breaker wiring suitable for reading according to actual installation environment
Position or lower mouth wiring position.Under this kind of mounting means, line protective devices can pass through good conductor or strong magnetic conductance electrical resistivity survey
The form of head and the connecting terminal 2 of breaker connect, and directly obtain power supply from breaker.
Using strong magnetic conductance electric probe structure type when, strong magnetic conductance electric probe passes through the voltage inside spring and protective device
Conversion equipment connection, spring are arranged in conductive axle sleeve, and strong magnetic conductance electric probe can stretch under the action of the spring along conductive axle sleeve
Contracting, to adapt to the installation in different size space.
In some embodiments, line protective devices have external LED or LCD display；It can be with real-time display route
Node temperature, real-time display electricity consumption line current.
Further, line protective devices have sound and light alarm module, and sound and light alarm module is connect with high-speed CPU module,
Sound-light alarm flashing or sound frequency can be adjusted in real time according to parameter setting alarming value or off value, remind user power utilization in time
Line fault situation.
Line protective devices have communication module, and communication module is connect with high-speed CPU module, can use wire transmission
And/or wireless transmission method, adequate transmission mode can be selected according to user demand, by data remote to central machine room.Wherein, nothing
Line transmission can select the wireless modes such as bluetooth, wifi, ZigBee, GPRS/GSM；Wire transmission can select 485 communication lines to adopt
It is connected with mode hand in hand.
Line protective devices can be connected with graphic control panel, and the route protection of acquisition display in real time can be programmed by touch screen
The electricity consumption line node temperature value of device, electricity consumption line electricity flow valuve, electricity consumption line electrical leakage flow valuve and superthreshold alarm, shutdown report
It is alert etc..
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of be used for industry and residential electricity consumption line protective devices based on breaker characterized by comprising be respectively used to
Acquire temperature sensor, current transformer and the leakage current transformer of electricity consumption line temperature, electric current and the stream information that leaks electricity；It is described
Temperature sensor, current transformer and leakage current transformer pass through data acquisition module respectively and connect with processor；The protection
Device is mounted on the wiring position suitable for reading of breaker, and perhaps lower mouth wiring position is powered using external power supply or directly from open circuit
Device obtains power supply.
2. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, when the protective device directly obtains power supply from breaker, is connect by electricity getting device with breaker, the electricity getting device
It include: strong magnetic conductance electric probe, the strong magnetic conductance electric probe is connect by spring with protective device, and the spring is arranged in conductive shaft
In set, strong magnetic conductance electric probe under the action of the spring can be flexible along conductive axle sleeve.
3. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, the difference between the current transformer internal diameter and outer diameter is less than setting value；Height by increasing current transformer is protected
Card operating current meets sets requirement；
Further,
The coated insulating layer of spraying process is used on the iron core of current transformer.
4. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, further includes shell, the temperature sensor, current transformer and leakage current transformer is arranged in shell.
5. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, further includes shell, several connecting terminals, the temperature sensor, current transformer and leakage current is set on the shell
The setting position outside shell is arranged at least one of mutual inductor, and is connect by lead with the connecting terminal；
Further, in hull outside, the current transformer is open-close type current transformer for the current transformer setting.
6. a kind of as claimed in claim 5 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, the connecting terminal exempts from connecting terminal using the combined connecting terminal or standard of standard.
7. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, further includes: display module；The display module is connect with processor, for real-time display electricity consumption line node temperature and
Line current.
8. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, further includes: alarm module, the alarm module are connect with processor, are adjusted in real time according to the alarming value of setting or off value
Save sound-light alarm flicker frequency or sound frequency.
9. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, further includes: communication module, the communication module are connect with processor；The communication module includes: wire communication module
And/or wireless communication module；Carried out data transmission by the communication module with central machine room.
10. a kind of as described in claim 1 be used for industry and residential electricity consumption line protective devices, feature based on breaker
It is, the processor is connect with graphic control panel, is acquired and is shown electricity consumption line node temperature value in real time by touch screen, uses
Electric line current value and electricity consumption line electrical leakage flow valuve, while carrying out superthreshold alarm and/or shutdown alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161538.3A CN109687414A (en) | 2019-03-04 | 2019-03-04 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161538.3A CN109687414A (en) | 2019-03-04 | 2019-03-04 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109687414A true CN109687414A (en) | 2019-04-26 |
Family
ID=66196400
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910161538.3A Pending CN109687414A (en) | 2019-03-04 | 2019-03-04 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
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| Country | Link |
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| CN (1) | CN109687414A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431279A (en) * | 2020-04-09 | 2020-07-17 | 智慧式有限公司 | Electricity consumption data acquisition and control device |
| CN115642567A (en) * | 2022-11-07 | 2023-01-24 | 黑龙江科技大学 | Circuit electric appliance protection method, device, equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174571Y (en) * | 2008-03-31 | 2008-12-31 | 林龙杰 | Micro circuit breaker having micro-computer protection and liquid crystal display |
| CN205911829U (en) * | 2016-06-28 | 2017-01-25 | 广西云涌科技有限公司 | Miniature circuit breaker who possesses temperature measurement function |
| CN209282827U (en) * | 2019-03-04 | 2019-08-20 | 山东优柏电子科技有限公司 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
-
2019
- 2019-03-04 CN CN201910161538.3A patent/CN109687414A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174571Y (en) * | 2008-03-31 | 2008-12-31 | 林龙杰 | Micro circuit breaker having micro-computer protection and liquid crystal display |
| CN205911829U (en) * | 2016-06-28 | 2017-01-25 | 广西云涌科技有限公司 | Miniature circuit breaker who possesses temperature measurement function |
| CN209282827U (en) * | 2019-03-04 | 2019-08-20 | 山东优柏电子科技有限公司 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431279A (en) * | 2020-04-09 | 2020-07-17 | 智慧式有限公司 | Electricity consumption data acquisition and control device |
| CN115642567A (en) * | 2022-11-07 | 2023-01-24 | 黑龙江科技大学 | Circuit electric appliance protection method, device, equipment and storage medium |
| CN115642567B (en) * | 2022-11-07 | 2024-04-05 | 黑龙江科技大学 | Circuit electrical appliance protection method, device, equipment and storage medium |
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