CN106711814A - Power distribution cabinet and temperature adjustment method thereof - Google Patents
Power distribution cabinet and temperature adjustment method thereof Download PDFInfo
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- CN106711814A CN106711814A CN201710128136.4A CN201710128136A CN106711814A CN 106711814 A CN106711814 A CN 106711814A CN 201710128136 A CN201710128136 A CN 201710128136A CN 106711814 A CN106711814 A CN 106711814A
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- temperature
- power distribution
- distribution cabinet
- control unit
- sensor group
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a power distribution cabinet and a temperature adjustment method thereof. The power distribution cabinet comprises a cabinet body, a temperature adjustment module, a temperature sensor, a micro-control unit, a display module, a communication module and a storage device, wherein the temperature sensor, the micro-control unit, the display module, the communication module and the storage device are arranged in the cabinet body; the temperature sensor, the display module, the temperature adjustment module, the communication module and the storage module are electrically connected with the micro-control unit separately; the temperature sensor comprises a first temperature sensor group, a second temperature sensor group and a third temperature sensor group; the first temperature sensor group is arranged at the position, close to the bottom surface, of the cabinet body; the third temperature sensor group is arranged at the position, close to the top surface, of the cabinet body; the second temperature sensor group is arranged between the first sensor group and the second sensor group; and the display module comprises normal, warming and alarming three-color background lights. According to the power distribution cabinet, the internal temperature can be accurately displayed and measured, the temperature is intelligently adjusted, and the work stability and reliability of the power distribution cabinet are improved.
Description
Technical field
The present invention relates to power supply technique field, more particularly to it is a kind of can be with the power distribution cabinet of Intelligent adjustment in-cabinet temperature and its temperature
Degree adjusting method.
Background technology
Power distribution cabinet is widely used in the power consumers such as power plant, transformer station, enterprise, due to the particularity of its purposes, distribution
The stable operation of cabinet is the important guarantee for ensureing power consumer safety point.
During the use of power distribution cabinet, because the node of its inside contact, winding displacement head is chronically at high voltage, high current
Working condition under, reason causes resistance because surface oxidation, burn into contact be aging etc. for the junction and winding displacement junction of contact
Increase, so as to cause temperature to raise, heat is constantly accumulated, and the temperature for being easily caused electronic component in power distribution cabinet gradually rises,
Cause electronic component failure, influence the normal work of power distribution cabinet.Therefore, the temperature in power distribution cabinet how is adjusted, it is ensured that electronics
Component normal work turns into power distribution cabinet and designs the major issue faced during production.
The content of the invention
The technical problems to be solved by the invention are to provide one kind can be with Intelligent adjustment internal temperature, accurate display, alarm
The power distribution cabinet in temperature anomaly region and the method for control power distribution cabinet internal temperature.
To achieve these goals, power distribution cabinet of the present invention uses following technical scheme：
A kind of power distribution cabinet, including cabinet, also including temperature-regulating module and the temperature sensor being arranged in the cabinet, miniature control
Unit processed, display module, communication module, storage device；The temperature sensor is electrically connected with the miniature control unit；It is described
Temperature sensor includes the first temperature sensor group, second temperature sensor group and three-temperature sensor group；Described first
Temperature sensor is arranged at the cabinet near basal surface position, and the three-temperature sensor group is arranged at the cabinet and is close to
Top side location, the second temperature sensor group is arranged between the first sensor group and the second sensor group；Institute
State display module to be electrically connected with the miniature control unit, the display module includes normal, warning, three color background lights of alarm；
The temperature-regulating module, communication module, the memory module are electrically connected with the miniature control unit respectively.
As a kind of perferred technical scheme, the power distribution cabinet also includes being arranged at the external sense outside the power distribution cabinet
Device group, the external sensor group is electrically connected with the miniature control unit.
Used as further preferred scheme, the external sensor group includes temperature sensor and humidity sensor.
Used as the preferred technical scheme of another kind, the display module is normal, alert, three color background light colors of alarm are distinguished
Correspond to green, yellow, red trichromatism.
Used as another preferred technical scheme, the communication module includes wire communication module and/or radio communication mold
Block.
Used as another preferred technical scheme, the temperature-regulating module is fan.
As another preferred technical scheme, the temperature-regulating module air-conditioning and/or fan.
Used as further preferred scheme, when temperature-regulating module is provided with fan, the fan is arranged on the cabinet,
The cabinet correspondence fan is provided with avoidance hole；The fan includes the first fan and the second fan；First fan
Position of the cabinet near bottom surface is arranged at, the second fan correspondence first fan is arranged at the cabinet diagonally opposing corner
Near the position of top surface；First fan is supply fan, and second fan is exhaust fan.
Power distribution cabinet of the invention, using three groups of temperature sensors, three groups of temperature sensors are respectively arranged in power distribution cabinet and lean on
Nearly bottom surface, near top surface and it is arranged between foregoing two groups of temperature sensors, can be with each position in accurate measurement power distribution cabinet
Temperature, it is to avoid report situation during only with one group of temperature sensor caused by correspondence position hot-spot by mistake, power distribution cabinet inside temperature
Degree monitoring is more accurate.Meanwhile, three groups of settings of temperature sensor can be with accurate temperature measurements abnormal area, when the event of local component
Barrier can be explicitly shown failure exception region when causing local temperature to overheat, for the maintenance of power distribution cabinet internal electronic component provides position
Put reference.Also, display module includes normal, warning, three color background lights of alarm, can be with intuitive judgment power distribution cabinet working condition.
Being provided with communication module can make the derivation of power distribution cabinet internal monitoring data more convenient, be conducive to the long-term prison of power distribution cabinet working condition
Control, the temperature-regulating module of setting can be adjusted when power distribution cabinet internal temperature is abnormal to power distribution cabinet internal temperature, improve distribution
The reliability of cabinet application.
Used as preferred scheme, power distribution cabinet of the present invention can also set external sensor group, and external sensor group can be monitored
The data such as external work environment temperature, humidity, accommodation is carried out for external environment condition data to power distribution cabinet internal temperature, when
Power distribution cabinet can correspond to adjustment power distribution cabinet internal temp. mechanism when being applied in the environment of the high-temperature high-humidities such as warmhouse booth, it is ensured that
The normal work of power distribution cabinet, improves the popularity of power distribution cabinet application；If external environment condition extreme, normally bears beyond power distribution cabinet
Scope, then power distribution cabinet Suspend Job, to protect internal electronic element, improves power distribution cabinet reliability.
In order to improve the efficiency of power distribution cabinet monitoring temperature, regulation, the invention allows for a kind of temperature control method, bag
Include：
The pickup of S1, the first temperature sensor group, the second temperature sensor group and the three-temperature sensor group
Three groups of temperature informations, the temperature information is transferred to the miniature control unit；
S2, miniature control unit three groups of temperature informations, if three groups of temperature information temperature difference difference numerical value are less than
A, then obtain three groups of average value b of temperature information；If have in three groups of temperature informations one group of temperature information or two groups of temperature informations with
The remaining two groups or one group numerical differences of remaining information are more than a, then miniature control unit sends warning message to the communication module,
Simultaneously on the display module one group or two groups too high temperature information of displays temperature group and temperature, the display module
Alarm background light is opened；
S3, the miniature control unit by the average value b tried to achieve in step S2 and the optimum working temperature scope for prestoring and
Limit of working temperature scope compares, miniature if b is not in the range of optimum working temperature but in the range of the limit of working temperature
Control unit sends working signal to the temperature-regulating module, and the temperature-regulating module is started working, while miniature control unit is controlled
The display module shows average real time temperature in the power distribution cabinet, and the display module warning background light is opened；If b is not pre-
In the range of the limit of working temperature for first storing, then miniature control unit suspends the powering shelf work, by warning message send to
The communication module, and working signal is sent to the temperature-regulating module, the temperature-regulating module is started working, while control is described aobvious
Show that module shows average real time temperature in the power distribution cabinet, the display module alarm background light is opened.
The job information of above-mentioned three groups of temperature informations and judgement is stored in the storage mould by S4, the miniature control unit
Block, the communication module is by all information transmissions to external equipment.
Used as a kind of preferred scheme, when external sensor group is provided with, the temperature control method also includes：External sense
The external environment condition data transfer that device group works the power distribution cabinet is to the miniature control unit；The miniature control unit according to
Optimum working temperature scope described in the external environment condition data point reuse and the limit of working temperature scope；The miniature control list
With default work environment data be compared external environment condition data by unit, if external environment condition data are located at default working environment
Outside data area, then miniature control unit suspends the powering shelf work, and warning message is sent to the communication module, while
External environment condition data are shown on the display module, the display module alarm background light is opened.
By using above structure and method, power distribution cabinet of the invention can accurately be shown, measure internal temperature, and intelligence is adjusted
Section temperature, improves the stability and reliability of power distribution cabinet work.
Brief description of the drawings
Fig. 1 is the high-level schematic functional block diagram of power distribution cabinet embodiment one of the present invention；
Fig. 2 is power distribution cabinet stereoscopic figure shown in Fig. 1；
Fig. 3 is another view stereo figure of power distribution cabinet shown in Fig. 2；
Fig. 4 is power distribution cabinet internal temperature sensor distribution schematic diagram shown in Fig. 1；
Fig. 5 is the high-level schematic functional block diagram of power distribution cabinet embodiment two of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the concrete structure and method for regulating temperature of power distribution cabinet of the present invention are described in detail.
Embodiment one：
As shown in figure 1, the power distribution cabinet of the present embodiment include temperature sensor, miniature control unit, temperature-regulating module, display module,
Communication module and memory module.Wherein, temperature sensor include the first temperature sensor group, second temperature sensor group and
Three-temperature sensor group, three groups of temperature sensor groups are electrically connected with miniature control unit, and temperature is provided to miniature control unit
Degrees of data.Miniature control unit is electrically connected with temperature-regulating module, display module, communication module and memory module, miniature control
Unit is according to temperature sensor data, control temperature-regulating module, display module, communication module and memory module work.
As shown in Fig. 2 the power distribution cabinet 1 of the present embodiment is cuboid, display module 3 is provided with the front cabinet of power distribution cabinet 1
And communication module 4, in order to intuitively show power distribution cabinet information and and external device communication.As shown in figure 4, Fig. 4 is this
Embodiment power distribution cabinet internal temperature sensor and cabinet combination distribution schematic diagram, temperature sensor include the first temperature sensor group
21, second temperature sensor group 22 and three-temperature sensor group 23.First temperature sensor group 21 is arranged on cabinet to be leaned on
The basal surface position of nearly cuboid cabinet, three-temperature sensor group 23 is arranged on cabinet near the top surface position of cuboid cabinet
Put, second temperature sensor group sets 22 and is placed between the first temperature sensor group 21 and three-temperature sensor group 23.So arrange
Three groups of temperature sensor groups of cloth can respectively monitor the actual temp in orientation of upper, middle and lower three in power distribution cabinet, improve temperature prison
The reliability of survey, it is to avoid local temperature overheat produces wrong report, when local component failure causes temperature too high, it is also possible to be directed to
Property alarm, intuitively show fault zone, improve maintenance specific aim.Certainly, three groups of temperature sensor groups of the present embodiment are arranged only
For explaining present inventive concept, in actual applications, the first temperature sensor group can be directly arranged at power distribution cabinet bottom surface, the 3rd
Temperature sensor group can be directly arranged at power distribution cabinet top surface, not influence power distribution cabinet advantage of the present invention to embody, and belong to the present invention
The protection domain of power distribution cabinet.In actual application, three groups of temperature sensor groups can include one or more TEMPs
Device, further to improve the degree of accuracy of temperature monitoring.
The display module 3 of power distribution cabinet of the present invention includes normal mark, three kinds of three color background lights of state of warning and alarm,
When the working condition of power distribution cabinet is corresponding states, the background light of display module 3 is corresponding color.Preferably, in reality
In the application of border, can using green, yellow and red background beacon light show normally, warning, three kinds of states of alarming.
Preferably, it is real-time, the accurate delivery of raising power distribution cabinet warning message；Power distribution cabinet is worked shape simultaneously
The data transfers such as state, internal temperature carry out the monitoring of data, analysis to exterior terminal, and communication module 4 could be arranged to cable modem
Letter module and/or wireless communication module.
In order to avoid power distribution cabinet internal temperature is too high, the temperature-regulating module of power distribution cabinet of the present invention can be air-conditioning or fan or two
The combination of person.Certainly, for reducing energy consumption and thermoregulation effect is ensured, on the premise of external environment condition is allowed, preferably
The scheme coordinated using air-conditioning and cooling fan.Air-conditioning and cooling fan, can independent works under the control of miniature control unit
Make, it is also possible to cooperating.As shown in Figures 2 and 3, the present embodiment power distribution cabinet gives a kind of preferred fan distribution scheme.
The temp.-adjustable fan of the power distribution cabinet of the present embodiment is arranged on cabinet, and cabinet is correspondingly arranged on avoidance hole, and fan is installed on the cabinet
Body is avoided in hole.Fan includes the first fan 51 and the second fan 52, as shown in Fig. 2 the first fan 51 is arranged at cabinet and leans on
The position of nearly bottom surface, as shown in figure 3, the second fan 52 and the diagonally opposing corner of the first fan 51 are arranged at cabinet near the position of top surface,
First fan 51 is supply fan, and the second fan 52 is exhaust fan.Typically, since cold air overweights hot-air, the sky of bottom
Temperature degree can be slightly below the air themperature at top, therefore, first fan 51 of the cabinet near bottom surface will be arranged at and be set to air inlet
Fan, power distribution cabinet is pumped into by cold air, and the second fan 52 that will be arranged at cabinet near top side location is set to exhaust fan, by distribution
Hot-air discharge inside cabinet.The first fan 51 and the second fan 52 that diagonally opposing corner is set make the air circulation distance in power distribution cabinet
Maximize as far as possible, the heat inside power distribution cabinet is taken away by air-flow, improve cooling-down effect.
In order to improve monitoring temperature accuracy, temperature adjustment efficiency, the present embodiment power distribution cabinet monitoring temperature, regulation side are improved
Method is：
The pickup of S1, the first temperature sensor group, the second temperature sensor group and the three-temperature sensor group
Three groups of temperature informations, the temperature information is transferred to the miniature control unit；
S2, miniature control unit three groups of temperature informations, if three groups of temperature information temperature difference difference numerical value are less than
A, then obtain three groups of average value b of temperature information；If have in three groups of temperature informations one group of temperature information or two groups of temperature informations with
The remaining two groups or one group numerical differences of remaining information are more than a, then miniature control unit sends warning message to the communication module,
Simultaneously on the display module one group or two groups too high temperature information of displays temperature group and temperature, the display module
Alarm background light is opened；
S3, the miniature control unit by the average value b tried to achieve in step S2 and the optimum working temperature scope for prestoring and
Limit of working temperature scope compares, miniature if b is not in the range of optimum working temperature but in the range of the limit of working temperature
Control unit sends working signal to the temperature-regulating module, and the temperature-regulating module is started working, while miniature control unit is controlled
The display module shows average real time temperature in the power distribution cabinet, and the display module warning background light is opened；If b is not pre-
In the range of the limit of working temperature for first storing, then miniature control unit suspends the powering shelf work, by warning message send to
The communication module, and working signal is sent to the temperature-regulating module, the temperature-regulating module is started working, while control is described aobvious
Show that module shows average real time temperature in the power distribution cabinet, the display module alarm background light is opened.
The job information of above-mentioned three groups of temperature informations and judgement is stored in the storage mould by S4, the miniature control unit
Block, the communication module is by all information transmissions to external equipment.
" the numerical value a ", " optimum working temperature scope " and " limit of working temperature scope " being related in the above method can be with
It is adjusted according to power distribution cabinet internal electronic component situation and power distribution cabinet job category, working environment, to improve power distribution cabinet
The popularity and high efficiency of application.
Power distribution cabinet of the invention can accurately monitor power distribution cabinet internal temperature, be alarmed for local abnormal conditions,
Bulk temperature needs efficiently carry out temperature adjusting when adjustment in time inside power distribution cabinet, improves power distribution cabinet work effect
Rate, improves the reliability of power distribution cabinet and the popularity of application.
Embodiment two
As shown in figure 5, the power distribution cabinet of the present embodiment is compared with the power distribution cabinet disclosed in embodiment one, there is provided external sensor
Group, external sensor group is electrically connected with miniature control unit.The external environment condition data that external sensor group will be monitored are supplied to
Miniature control unit, miniature control unit judges that the situation of power distribution cabinet working environment carries out specific aim adjustment to internal temperature, can
To significantly improve the popularity of power distribution cabinet application.Preferably, external sensor group includes temperature sensor and humidity sensor.
The power distribution cabinet temperature control method of the present embodiment with the addition of for outside on the basis of the adjusting method of embodiment one
The adjustment of environmental data：The external environment condition data transfer that external sensor group works the power distribution cabinet is to the miniature control list
Unit；The miniature control unit optimum working temperature scope and maximal work according to the external environment condition data point reuse
Temperature range；With default work environment data be compared external environment condition data by the miniature control unit, if external rings
Border data are located at outside default work environment data scope, then miniature control unit suspends the powering shelf work, by alarm signal
Breath is sent to the communication module, while external environment condition data are shown on the display module, the display module alarm back of the body
Scape lamp is opened.
The power distribution cabinet of the present embodiment is provided with external sensor group, and external sensor group can monitor external operating environment temperature
The data such as degree, humidity, accommodation is carried out for external environment condition data to power distribution cabinet internal temperature, when power distribution cabinet is applied to temperature
Adjustment power distribution cabinet internal temp. mechanism can be corresponded to when in the environment of the high-temperature high-humidities such as room greenhouse, it is ensured that the normal work of power distribution cabinet
Make, improve the popularity of power distribution cabinet application；If external environment condition extreme, beyond the scope that power distribution cabinet normally bears, then distribution
Cabinet Suspend Job, to protect internal electronic element, improves power distribution cabinet reliability.
These are only case study on implementation of the present invention, be not intended to limit the invention, as long as those of ordinary skill in the art according to
Equivalent modification or change that disclosed content is made, should all include in the protection domain described in claims.
Claims (10)
1. a kind of power distribution cabinet, including cabinet, it is characterised in that also including temperature-regulating module and the temperature being arranged in the cabinet
Sensor, miniature control unit, display module, communication module, storage device；
The temperature sensor is electrically connected with the miniature control unit；The temperature sensor includes the first temperature sensor
Group, second temperature sensor group and three-temperature sensor group；First temperature sensor is arranged at the cabinet and is close to
Basal surface position, the three-temperature sensor group is arranged at the cabinet near top side location, the second temperature sensor group
It is arranged between the first sensor group and the second sensor group；
The display module is electrically connected with the miniature control unit, and the display module includes normal, warning, the alarm three colors back of the body
Scape lamp；
The temperature-regulating module, communication module, the memory module are electrically connected with the miniature control unit respectively.
2. power distribution cabinet according to claim 1, it is characterised in that the power distribution cabinet also includes being arranged at outside the power distribution cabinet
The external sensor group in portion, the external sensor group is electrically connected with the miniature control unit.
3. power distribution cabinet according to claim 2, it is characterised in that the external sensor group includes temperature sensor and wet
Degree sensor.
4. power distribution cabinet according to claim 1 and 2, it is characterised in that the display module is normal, warning, three colors of alarm
Background light color corresponds to green, yellow, red trichromatism respectively.
5. power distribution cabinet according to claim 1 and 2, it is characterised in that the communication module include wire communication module and/
Or wireless communication module.
6. power distribution cabinet according to claim 1 and 2, it is characterised in that the temperature-regulating module is fan.
7. power distribution cabinet according to claim 1 and 2, it is characterised in that the temperature-regulating module is air-conditioning and/or fan.
8. power distribution cabinet according to claim 6, it is characterised in that the fan is arranged on the cabinet, the cabinet
The correspondence fan is provided with avoidance hole；The fan includes the first fan and the second fan；First fan is arranged at institute
Position of the cabinet near bottom surface is stated, the second fan correspondence first fan is arranged at the cabinet diagonally opposing corner near top surface
Position；First fan is supply fan, and second fan is exhaust fan.
9. power distribution cabinet according to claim 1, its temperature control method includes：
The pickup of S1, the first temperature sensor group, the second temperature sensor group and the three-temperature sensor group
Three groups of temperature informations, the temperature information is transferred to the miniature control unit；
S2, miniature control unit three groups of temperature informations, if three groups of temperature information temperature difference difference numerical value are less than
A, then obtain three groups of average value b of temperature information；If have in three groups of temperature informations one group of temperature information or two groups of temperature informations with
The remaining two groups or one group numerical differences of remaining information are more than a, then miniature control unit sends warning message to the communication module,
Simultaneously on the display module one group or two groups too high temperature information of displays temperature group and temperature, the display module
Alarm background light is opened；
S3, the miniature control unit by the average value b tried to achieve in step S2 and the optimum working temperature scope for prestoring and
Limit of working temperature scope compares, miniature if b is not in the range of optimum working temperature but in the range of the limit of working temperature
Control unit sends working signal to the temperature-regulating module, and the temperature-regulating module is started working, while miniature control unit is controlled
The display module shows average real time temperature in the power distribution cabinet, and the display module warning background light is opened；If b is not pre-
In the range of the limit of working temperature for first storing, then miniature control unit suspends the powering shelf work, by warning message send to
The communication module, and working signal is sent to the temperature-regulating module, the temperature-regulating module is started working, while control is described aobvious
Show that module shows average real time temperature in the power distribution cabinet, the display module alarm background light is opened；
The job information of above-mentioned three groups of temperature informations and judgement is stored in the memory module by S4, the miniature control unit,
The communication module is by all information transmissions to external equipment.
10. temperature control method according to claim 9, it is characterised in that the power distribution cabinet also includes external sensor
Group；The external environment condition data transfer that the external sensor group works the power distribution cabinet is to the miniature control unit；It is described
Miniature control unit optimum working temperature scope and limit of working temperature model according to the external environment condition data point reuse
Enclose；With default work environment data be compared external environment condition data by the miniature control unit, if external environment condition data
Outside default work environment data scope, then miniature control unit suspends the powering shelf work, and warning message is sent
To the communication module, while showing external environment condition data on the display module, the display module alarm background light is beaten
Open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128136.4A CN106711814B (en) | 2017-03-06 | 2017-03-06 | Power distribution cabinet temperature control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128136.4A CN106711814B (en) | 2017-03-06 | 2017-03-06 | Power distribution cabinet temperature control method |
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| CN106711814A true CN106711814A (en) | 2017-05-24 |
| CN106711814B CN106711814B (en) | 2018-10-09 |
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| CN110850919A (en) * | 2019-11-26 | 2020-02-28 | 重庆望变电气（集团）股份有限公司 | Online operation and maintenance system and method for power distribution room |
| CN111834942A (en) * | 2020-01-18 | 2020-10-27 | 湖南城市学院 | Pre-alarm device for low-voltage power distribution cabinet |
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| CN111834942A (en) * | 2020-01-18 | 2020-10-27 | 湖南城市学院 | Pre-alarm device for low-voltage power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106711814B (en) | 2018-10-09 |
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