CN106711807A - Intelligent control system for power distribution cabinet - Google Patents

Intelligent control system for power distribution cabinet Download PDF

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Publication number
CN106711807A
CN106711807A CN201611245573.6A CN201611245573A CN106711807A CN 106711807 A CN106711807 A CN 106711807A CN 201611245573 A CN201611245573 A CN 201611245573A CN 106711807 A CN106711807 A CN 106711807A
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CN
China
Prior art keywords
temperature
control unit
value
power distribution
distribution cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611245573.6A
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Chinese (zh)
Inventor
汤小五
钱勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu E-Conn Electronic Technology Co Ltd
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Wuhu E-Conn Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu E-Conn Electronic Technology Co Ltd filed Critical Wuhu E-Conn Electronic Technology Co Ltd
Priority to CN201611245573.6A priority Critical patent/CN106711807A/en
Publication of CN106711807A publication Critical patent/CN106711807A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1927Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/27Control of temperature characterised by the use of electric means with sensing element responsive to radiation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses an intelligent control system for a power distribution cabinet. A temperature collection unit comprises n temperature collection modules. A control unit obtains the time information through a timing unit. A temperature reduction unit selects different temperature reduction modes to reduce the temperature of the interior of the power distribution cabinet according to the instruction of the control unit. The interior of the control unit is provided with a first temperature value T1, a second temperature value T2 and a first time value t0 in advance. The control unit records the moments when the collection values of n temperature collection modules reach the first temperature value T1 as t1, t2,..., tn, and records the moments when the collection values of n temperature collection modules reach the second temperature value T2 as t1', t2',..., tn'. The control unit carries out the analysis of the moments t1, t2,..., tn and the moments t1', t2',..., tn', and respectively calculates the time difference delta t1 between t1 and t1', the time difference delta t2 between t2 and t2', ..., and the time difference delta tn between tn and tn', compares the time differences delta t1, t2,..., tn with t0, obtains the number m of values, less than t0, of n time differences delta t1, t2,..., tn, and carries out the instruction control of the temperature reduction unit to select the temperature reduction mode according to the size of m.

Description

A kind of power distribution cabinet intelligence control system
Technical field
The present invention relates to power distribution cabinet field of intelligent control technology, more particularly to a kind of power distribution cabinet intelligence control system.
Background technology
At present, power distribution cabinet has a very important role in factory and life.Power distribution cabinet is carried out with electric control, by electric energy Each load position is assigned to, and power-off protection, therefore power distribution cabinet are carried out built with very in short circuit, overload and when leaking electricity Many power electronic devices, can operationally produce many heats, when these heats cause distribution in-cabinet temperature too high, can influence The normal work of each device, or even cause electric power accident.Cause accident in order to avoid the temperature in power distribution cabinet is too high, it is now to adopt more With ventilating fan is installed on power distribution cabinet, ventilating fan is manually switched, power distribution cabinet is lowered the temperature.Northerly autumn and winter with And in workshop, relatively low temperature is always maintained at when power distribution cabinet is just started working, in power distribution cabinet, and ventilating fan still keeps work Make state, the unnecessary work of this cooling method one side ventilating fan can consume unnecessary electric energy, on the other hand due to ventilating fan Long-term use can influence its life-span, cause the waste of the energy and manpower.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of power distribution cabinet intelligence control system.
Power distribution cabinet intelligence control system proposed by the present invention, including:
Temperature collecting cell, including n temperature collect module, n temperature collect module are used to inside collection power distribution cabinet Temperature;
Timing unit, with control unit communication connection, control unit obtains temporal information by timing unit;
Temperature reducing unit, drops for the different cooling mode of the instruction selection according to control unit to power distribution cabinet inside Temperature;
Control unit, communicates to connect with temperature collecting cell, temperature reducing unit;
The first temperature value T is preset with control unit1, second temperature value T2, very first time value t0;Control unit is remembered respectively The collection value of the lower n temperature collect module of record reaches the first temperature value T1Moment, be designated as t1、t2………tn, and control unit The n collection value of temperature collect module is recorded respectively reaches second temperature value T2Moment, be designated as t1'、t2'……tn';
Control unit is to t1、t2……tnAnd t1'、t2'……tn' be analyzed, t is calculated respectively1To t1'、t2Extremely t2'……tnTo tn' time difference Δ t1、Δt2……Δtn, and by Δ t1、Δt2……ΔtnWith t0It is compared, draws Δt1、Δt2……ΔtnSmall Yu t in n numerical value0Numerical value number m, and according to the size of m instruction control temperature reducing unit choosing Select cooling mode.
Preferably, temperature reducing unit includes the first cooling module and the second cooling module;
The first numerical value m is preset with control unit1, second value m2, wherein, m1<m2
As m≤m1When, control unit instruction control temperature reducing unit selects the first cooling mode;
Work as m1<m<m2When, control unit instruction control temperature reducing unit selects the second cooling mode;
As m >=m2When, control unit instruction control temperature reducing unit selects the 3rd cooling mode;
Wherein, when temperature reducing unit selects the first cooling mode, the first cooling module and the second cooling module do not work;
When temperature reducing unit selects the second cooling mode, the first cooling module startup work, the second cooling module do not work;
When temperature reducing unit selects three cooling modes, the first cooling module and the second cooling module start work.
Preferably, also including prewarning unit, prewarning unit is communicated to connect and according to the instruction of control unit with control unit Carry out early warning;
Control unit obtains the n collection value of temperature collect module by temperature collecting cell, and calculates n temperature and adopt Collect the average value T of the detected value of modulee
Maximum temperature value T is preset with control unitmax;Work as Te>TmaxWhen, control unit sends instruction to prewarning unit.
Preferably, the prewarning unit includes sound warning module and light warning module.
Preferably, in n temperature collect module, any one temperature collect module at least includes a temperature sensor;Its In, the temperature sensor is infrared temperature sensor.
The present invention carries out precise acquisition to power distribution cabinet internal temperature first;Specifically, using n temperature collect module to matching somebody with somebody Electric cabinet internal temperature is acquired, and, each component can be according to the length of working time and each component due to power distribution cabinet operationally Physical characteristic and chemical characteristic and produce different temperature, and because the installation site of each component is different, therefore power distribution cabinet The temperature of interior diverse location has little bit different, therefore only detects that the temperature value at one in power distribution cabinet or a few places is more unilateral, it is impossible to Intuitively reflect the actual temperature in power distribution cabinet comprehensively, therefore, the present invention is provided with n temperature collect module and comes in power distribution cabinet The temperature of diverse location detected, and then analyzes the temperature in power distribution cabinet according to the n collection value of temperature collect module, is had Suitable cooling strategy is taken beneficial to the comprehensive and correct temperature conditions understood in power distribution cabinet and according to temperature conditions.Secondly, N the temperature variations and temperature of position in power distribution cabinet are understood by the n situation of change of the collection value of temperature collect module Degree transformation period, and temperature change time of n position is analyzed to obtain the speed that distribution in-cabinet temperature rises, so that Being that power distribution cabinet selects different cooling strategies, realization is carried out the speed of the speed risen according to distribution in-cabinet temperature to power distribution cabinet Targetedly lower the temperature, the waste of resource is avoided while cooling efficiency and effect is improved.In this way, first in power distribution cabinet Temperature carries out comprehensive and accurate collection, and the profiling temperatures in power distribution cabinet are analyzed further according to accurate temperature acquisition result And the temperature variations in power distribution cabinet, and then be that power distribution cabinet selects suitable drop according to the temperature variations in power distribution cabinet Warm strategy, is targetedly adjusted to the temperature in power distribution cabinet, it is ensured that the temperature in power distribution cabinet is maintained in the scope of stabilization.
Brief description of the drawings
Fig. 1 is a kind of structural representation of power distribution cabinet intelligence control system.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of power distribution cabinet intelligence control system proposed by the present invention.
Reference picture 1, power distribution cabinet intelligence control system proposed by the present invention, including:
Temperature collecting cell, including n temperature collect module, n temperature collect module are used to inside collection power distribution cabinet Temperature;In n temperature collect module, any one temperature collect module at least includes a temperature sensor, then any one temperature The collection value of acquisition module is the average value of the collection value of all temperature sensors in the temperature collect module;In this way, using many Individual temperature sensor improves the precision that temperature collect module is gathered to power distribution cabinet internal temperature;Wherein, the temperature sensor It is infrared temperature sensor, because the high precision of infrared temperature sensor, sensitivity are high, the reaction time is fast, is more beneficial for ensureing To the accuracy of actual temperature collection in power distribution cabinet.
Timing unit, with control unit communication connection, control unit obtains temporal information by timing unit;
Temperature reducing unit, drops for the different cooling mode of the instruction selection according to control unit to power distribution cabinet inside Temperature;
Control unit, communicates to connect with temperature collecting cell, temperature reducing unit;
The first temperature value T is preset with control unit1, second temperature value T2, very first time value t0;Control unit is remembered respectively The collection value of the lower n temperature collect module of record reaches the first temperature value T1Moment, be designated as t1、t2……tn, and control unit point The n collection value of temperature collect module is not recorded reaches second temperature value T2Moment, be designated as t1'、t2'……tn';
Control unit is to t1、t2……tnAnd t1'、t2'……tn' be analyzed, t is calculated respectively1To t1'、t2Extremely t2'……tnTo tn' time difference Δ t1、Δt2……Δtn, and by Δ t1、Δt2……ΔtnWith t0It is compared, draws Δt1、Δt2……ΔtnSmall Yu t in n numerical value0Numerical value number m, and according to the size of m instruction control temperature reducing unit choosing Select cooling mode.
Specifically:Temperature reducing unit includes the first cooling module and the second cooling module;
The first numerical value m is preset with control unit1, second value m2, wherein, m1<m2
As m≤m1When, the number of the time difference for showing to exceed very first time value is less, i.e., n temperature collect module Number in the time value that collection value changes to second temperature value from the first temperature value less than very first time value is less, i.e. power distribution cabinet Interior temperature rises relatively slowly, because distribution in-cabinet temperature rises relatively slowly, shows that distribution in-cabinet temperature does not have higher, is now in section The consideration of energy, control unit instruction control temperature reducing unit selects the first cooling mode;When temperature reducing unit selects the first cooling mode, First cooling module and the second cooling module do not work;Temperature reducing unit work is not started in the case where distribution in-cabinet temperature is relatively low Make, it is to avoid the waste of the energy.
Work as m1<m<m2When, the number of the time difference for showing to exceed very first time value is on the high side, i.e., n temperature collect module Number in the time value that collection value changes to second temperature value from the first temperature value less than very first time value is on the high side, i.e. power distribution cabinet The speed that interior temperature rises increases, now to avoid the temperature in power distribution cabinet from continuing to raise, it is necessary to drop power distribution cabinet inside Temperature, control unit instruction control temperature reducing unit selects the second cooling mode;When temperature reducing unit selects the second cooling mode, the first drop Warm module startup work, the second cooling module do not work;Because the speed that distribution in-cabinet temperature rises is moderate, therefore use one Cooling module is lowered the temperature to power distribution cabinet, can not only ensure for the temperature in power distribution cabinet to be reduced to optimum range, and avoid Worked simultaneously using two cooling modules and cause the waste of the energy.
As m >=m2When, the number of the time difference for showing to exceed very first time value is more, i.e., n temperature collect module Number in the time value that collection value changes to second temperature value from the first temperature value less than very first time value is more, i.e. power distribution cabinet Interior temperature rises very fast, now control unit instruction control temperature reducing unit the 3rd cooling mode of selection;Temperature reducing unit selection the 3rd During cooling mode, the first cooling module and the second cooling module start work;Because rate of rise in temperature is very fast in power distribution cabinet, Then actual temperature is higher in power distribution cabinet, now brings potential safety hazard to avoid distribution in-cabinet temperature from continuing rising, then using two Cooling module is lowered the temperature to power distribution cabinet simultaneously, to improve the cooling efficiency and cooling-down effect of temperature reducing unit.
Also include prewarning unit in present embodiment, prewarning unit is communicated to connect and according to control unit with control unit Instruction carries out early warning;
Control unit obtains the n collection value of temperature collect module by temperature collecting cell, and calculates n temperature and adopt Collect the average value T of the detected value of modulee
Maximum temperature value T is preset with control unitmax;Work as Te>TmaxWhen, show that the actual temperature in now power distribution cabinet is inclined Height, has been over maximum temperature value, to remind relevant staff to notice high-temperature condition in power distribution cabinet, control unit to Prewarning unit sends instruction, and prewarning unit is to carry out early warning according to the instruction of control unit;The prewarning unit includes that sound is pre- Alert module and light warning module, with from the sense of hearing and vision two in terms of to relevant staff to stimulate, raising prewarning unit it is pre- Alert effect, is conducive to reminding relevant staff that the situation in power distribution cabinet is checked and detected in time, it is to avoid dangerous hair It is raw.
Present embodiment carries out precise acquisition to power distribution cabinet internal temperature first, is ensureing to gather power distribution cabinet internal temperature Accuracy on the basis of power distribution cabinet is taken again targetedly lower the temperature strategy;Specifically, using n temperature collect module to matching somebody with somebody Electric cabinet internal temperature is acquired, and, each component can be according to the length of working time and each component due to power distribution cabinet operationally Physical characteristic and chemical characteristic and produce different temperature, and because the installation site of each component is different, therefore power distribution cabinet The temperature of interior diverse location has little bit different, therefore only detects that the temperature value at one in power distribution cabinet or a few places is more unilateral, it is impossible to Intuitively reflect the actual temperature in power distribution cabinet comprehensively, therefore, n temperature collect module is set and is come to different positions in power distribution cabinet The temperature put detected, and then analyzes the temperature in power distribution cabinet according to the n collection value of temperature collect module, is conducive to complete Face and the correct temperature conditions understood in power distribution cabinet simultaneously take suitable cooling strategy according to temperature conditions.Secondly, by n When the situation of change of the collection value of temperature collect module understands in power distribution cabinet the temperature variations and temperature change of n position Between, and temperature change time of n position is analyzed to obtain the speed of distribution in-cabinet temperature rising, so as to according to distribution The speed of the speed that in-cabinet temperature rises to select different cooling strategies for power distribution cabinet, and realization is carried out targetedly to power distribution cabinet Cooling, avoids the waste of resource while cooling efficiency and effect is improved.In this way, being carried out to the temperature in power distribution cabinet first Gather comprehensively and accurately, the profiling temperatures in power distribution cabinet and distribution are analyzed further according to accurate temperature acquisition result Temperature variations in cabinet, and then be that power distribution cabinet selects suitable cooling strategy according to the temperature variations in power distribution cabinet, Targetedly the temperature in power distribution cabinet is adjusted, it is ensured that the temperature in power distribution cabinet is maintained in the scope of stabilization.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.

Claims (5)

1. a kind of power distribution cabinet intelligence control system, it is characterised in that including:
Temperature collecting cell, including n temperature collect module, n temperature collect module are used to gather power distribution cabinet internal temperature;
Timing unit, with control unit communication connection, control unit obtains temporal information by timing unit;
Temperature reducing unit, lowers the temperature for the different cooling mode of the instruction selection according to control unit to power distribution cabinet inside;
Control unit, communicates to connect with temperature collecting cell, temperature reducing unit;
The first temperature value T is preset with control unit1, second temperature value T2, very first time value t0;Control unit records n respectively The collection value of individual temperature collect module reaches the first temperature value T1Moment, be designated as t1、t2……tn, and control unit remembers respectively The collection value of the lower n temperature collect module of record reaches second temperature value T2Moment, be designated as t1'、t2'……tn';
Control unit is to t1、t2……tnAnd t1'、t2'……tn' be analyzed, t is calculated respectively1To t1'、t2To t2'…… tnTo tn' time difference Δ t1、Δt2……Δtn, and by Δ t1、Δt2……ΔtnWith t0It is compared, draws Δ t1、Δ t2……ΔtnSmall Yu t in n numerical value0Numerical value number m, and according to the size of m instruction control temperature reducing unit selection cooling mould Formula.
2. power distribution cabinet intelligence control system according to claim 1, it is characterised in that temperature reducing unit includes the first cooling mould Block and the second cooling module;
The first numerical value m is preset with control unit1, second value m2, wherein, m1<m2
As m≤m1When, control unit instruction control temperature reducing unit selects the first cooling mode;
Work as m1<m<m2When, control unit instruction control temperature reducing unit selects the second cooling mode;
As m >=m2When, control unit instruction control temperature reducing unit selects the 3rd cooling mode;
Wherein, when temperature reducing unit selects the first cooling mode, the first cooling module and the second cooling module do not work;
When temperature reducing unit selects the second cooling mode, the first cooling module startup work, the second cooling module do not work;
When temperature reducing unit selects three cooling modes, the first cooling module and the second cooling module start work.
3. power distribution cabinet intelligence control system according to claim 1, it is characterised in that also including prewarning unit, early warning list Unit communicates to connect with control unit and carries out early warning according to the instruction of control unit;
Control unit obtains the n collection value of temperature collect module by temperature collecting cell, and calculates n temperature acquisition mould The average value T of the detected value of blocke
Maximum temperature value T is preset with control unitmax;Work as Te>TmaxWhen, control unit sends instruction to prewarning unit.
4. power distribution cabinet intelligence control system according to claim 3, it is characterised in that the prewarning unit includes that sound is pre- Alert module and light warning module.
5. power distribution cabinet intelligence control system according to claim 1, it is characterised in that any in n temperature collect module Individual temperature collect module at least includes a temperature sensor;Wherein, the temperature sensor is infrared temperature sensor.
CN201611245573.6A 2016-12-29 2016-12-29 Intelligent control system for power distribution cabinet Pending CN106711807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611245573.6A CN106711807A (en) 2016-12-29 2016-12-29 Intelligent control system for power distribution cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611245573.6A CN106711807A (en) 2016-12-29 2016-12-29 Intelligent control system for power distribution cabinet

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CN106711807A true CN106711807A (en) 2017-05-24

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CN201611245573.6A Pending CN106711807A (en) 2016-12-29 2016-12-29 Intelligent control system for power distribution cabinet

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114518775A (en) * 2022-01-14 2022-05-20 广州拓火科技有限公司 Projection lamp CPU temperature control system
CN114684468A (en) * 2022-04-18 2022-07-01 徐州工程学院 Cold chain logistics transportation equipment and monitoring system thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316610A (en) * 2010-06-29 2012-01-11 中兴通讯股份有限公司 Base station with equalized temperature and implementation method thereof
CN105929871A (en) * 2016-04-21 2016-09-07 陈丹燕 Power distribution cabinet monitoring system and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316610A (en) * 2010-06-29 2012-01-11 中兴通讯股份有限公司 Base station with equalized temperature and implementation method thereof
CN105929871A (en) * 2016-04-21 2016-09-07 陈丹燕 Power distribution cabinet monitoring system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114518775A (en) * 2022-01-14 2022-05-20 广州拓火科技有限公司 Projection lamp CPU temperature control system
CN114684468A (en) * 2022-04-18 2022-07-01 徐州工程学院 Cold chain logistics transportation equipment and monitoring system thereof

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Application publication date: 20170524