CN108318733B - Intelligent building property control system - Google Patents
Intelligent building property control system Download PDFInfo
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- CN108318733B CN108318733B CN201810250097.XA CN201810250097A CN108318733B CN 108318733 B CN108318733 B CN 108318733B CN 201810250097 A CN201810250097 A CN 201810250097A CN 108318733 B CN108318733 B CN 108318733B
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- rechargeable battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
- G01R21/07—Arrangements for measuring electric power or power factor by measuring current and voltage in circuits having distributed constants
Abstract
The invention provides an intelligent building property control system, which is based on a current sensor for monitoring the current of a line at a monitoring point of energy consumption to be monitored and a temperature sensor for detecting the temperature of the line, wherein the current sensor and the temperature sensor are respectively powered by a first rechargeable battery and a second rechargeable battery which are arranged in an electric power meter, and the intelligent building property control system comprises: the first monitoring unit is used for acquiring the electric power consumed by a certain monitoring point of the intelligent building through the first power consumption acquisition module when the residual electric quantity of the first rechargeable battery is larger than a preset second threshold value; the second monitoring unit is used for acquiring the electric power consumed by a certain monitoring point in the building through the second power consumption acquisition module when the residual electric quantity of the first rechargeable battery is smaller than a preset second threshold; and the control unit is used for giving alarm information in the form of short messages and reducing the power consumption of line transmission to the monitoring point when the electric power consumed by the monitoring point exceeds a preset threshold value.
Description
Technical Field
The invention belongs to the technical field of electrical monitoring for intelligent buildings, and particularly relates to an intelligent building property control system.
Background
With the development of science and technology, intelligent building management systems are developed more and more rapidly. The existing intelligent building management systems in the market all have respective limitations. At present, most manufacturers adopt a hardware coding scheme for management to realize unidirectional wireless control, and the control result cannot be guaranteed. The method cannot effectively control interference between radios, and cannot well ensure the safety and confidentiality of data. In the aspect of remote control, a wap or web communication mode is generally adopted, so that a user can only operate under one platform, and the operation is inconvenient in the actual operation process. In addition, many developers only consider unilateral control requirements, and remote intelligent control and close-range intelligent remote control in buildings are rarely involved, so that inconvenience is further increased. However, the related art cannot reliably obtain power consumption information.
Disclosure of Invention
In view of the above analysis, in order to provide a reliable power consumption monitoring service, the present invention provides an intelligent building property control system, a current sensor for monitoring based on a current of a line at a monitoring point of energy consumption to be monitored and a temperature sensor for detecting a temperature of the line, the current sensor and the temperature sensor being respectively powered by a first rechargeable battery and a second rechargeable battery provided in an electric power meter, and the first rechargeable battery being charged in turn with the second rechargeable battery, comprising:
the first monitoring unit is used for acquiring the electric power consumed by a certain monitoring point of the intelligent building through the first power consumption acquisition module when the residual electric quantity of the first rechargeable battery is larger than a preset second threshold value;
the second monitoring unit is used for acquiring the electric power consumed by a certain monitoring point in the building through the second power consumption acquisition module when the residual electric quantity of the first rechargeable battery is smaller than a preset second threshold;
and the control unit is used for giving alarm information in the form of short messages and reducing the power consumption of line transmission to the monitoring point when the electric power consumed by the monitoring point exceeds a preset threshold value.
Further, the first monitoring unit includes:
the electrical parameter monitoring subunit is used for monitoring the output voltage and the output current of the first rechargeable battery;
the voltage integral value calculating operator unit is used for integrating the voltage value to obtain a voltage integral value;
the first internal resistance calculating subunit is used for calculating a first internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in a first time;
the second internal resistance calculation subunit is used for calculating second internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in second time;
a first rechargeable battery internal resistance determining subunit, configured to use a geometric average of the first internal resistance and the second internal resistance as the first rechargeable battery internal resistance;
a current integral value calculating operator unit for taking an inverse number between the internal resistance of the first rechargeable battery and the voltage integral value as a current integral value;
a first rechargeable battery remaining capacity determining subunit operable to calculate a remaining capacity of the first rechargeable battery from the current integrated value.
Further, the first power consumption acquisition module is used for determining the electric power consumed by the monitoring point according to the current value detected by the current sensor.
Further, the second power consumption obtaining module includes:
the second rechargeable battery number acquiring subunit is used for acquiring the numbers of N second rechargeable batteries which are nearest to the first rechargeable battery around the first rechargeable battery when the remaining electric quantity of the first rechargeable battery is smaller than a first preset threshold, wherein the first preset threshold is larger than a second preset threshold, and N is a natural number larger than 5;
the temperature value acquisition subunit is used for acquiring the temperature value detected by the temperature sensor through the serial number;
and a highest electric power consumption line determination subunit for indirectly obtaining the position of the line with the highest electric power consumption based on the temperature information provided by the second rechargeable battery when the remaining capacity of the first rechargeable battery is less than a second predetermined threshold.
Further, the highest electric power consumption line determination subunit includes:
and the two-dimensional matrix construction module is used for constructing a second rechargeable battery current-temperature state two-dimensional matrix D as follows:
wherein d isijRepresenting the current, p, of the second rechargeable batteries i and jijRepresenting a temperature state estimate of the second rechargeable battery i versus the second rechargeable battery j at time t;
the temperature state estimation module is used for calculating the temperature state estimation p 'of the second rechargeable battery i to the second rechargeable battery j at the moment t + 1'ij：
in the formula
A corresponding line position acquisition module for acquiring the position of the second rechargeable battery with highest electric power consumption as Xi＝(x1,x2,…,xm) M represents an analysis depth and is a natural number greater than 5, where the values of the respective elements correspond to respective values obtained by arranging the currents of the second rechargeable battery i and the second rechargeable battery adjacent to the second rechargeable battery from small to large at time t, and the coordinate matrix to be obtained as the second rechargeable battery with the highest electric power consumption is X ═ X (X is a natural number greater than 5)1,X2,…,Xn)T，
Wherein g iskRepresents pijCentered on the second rechargeable battery k,
Eigenvalues, h, of a matrix of elements in the neighbourhood of the rangekIs represented by p'ijCentered on the second rechargeable battery k,
Zeta denotes the characteristic value of a matrix of elements in the neighbourhood of the range, i being less than k and j being less than kijCovariance matrix of constructed matrix andp 'of i less than k and j less than k'ijCovariance matrix of the constructed matrix the geometric mean of the moduli of the two covariance matrices.
The technical scheme of the invention has the following advantages:
the intelligent building property control system can accurately and reliably know the electric power consumed by the monitoring point under the condition that the electric parameter sensor fails, and improves the energy-saving and emission-reducing effects of intelligent buildings and the level of electric safety.
Drawings
Fig. 1 shows a block diagram of the present system.
Detailed Description
As shown in fig. 1, the intelligent building property control system of the present invention, a current sensor for monitoring a current of a line at a monitoring point where energy consumption is to be monitored and a temperature sensor for detecting a temperature of the line, the current sensor and the temperature sensor being respectively powered by a first rechargeable battery and a second rechargeable battery provided in an electric power meter, the first rechargeable battery and the second rechargeable battery being charged in turn, comprises:
the first monitoring unit is used for acquiring the electric power consumed by a certain monitoring point of the intelligent building through the first power consumption acquisition module when the residual electric quantity of the first rechargeable battery is larger than a preset second threshold value;
the second monitoring unit is used for acquiring the electric power consumed by a certain monitoring point in the building through the second power consumption acquisition module when the residual electric quantity of the first rechargeable battery is smaller than a preset second threshold;
and the control unit is used for giving alarm information in the form of short messages and reducing the power consumption of line transmission to the monitoring point when the electric power consumed by the monitoring point exceeds a preset threshold value.
Preferably, the first monitoring unit includes:
the electrical parameter monitoring subunit is used for monitoring the output voltage and the output current of the first rechargeable battery;
the voltage integral value calculating operator unit is used for integrating the voltage value to obtain a voltage integral value;
the first internal resistance calculating subunit is used for calculating a first internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in a first time;
the second internal resistance calculation subunit is used for calculating second internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in second time;
a first rechargeable battery internal resistance determining subunit, configured to use a geometric average of the first internal resistance and the second internal resistance as the first rechargeable battery internal resistance;
a current integral value calculating operator unit for taking an inverse number between the internal resistance of the first rechargeable battery and the voltage integral value as a current integral value;
a first rechargeable battery remaining capacity determining subunit operable to calculate a remaining capacity of the first rechargeable battery from the current integrated value.
Preferably, the first power consumption obtaining module is configured to determine the electric power consumed by the monitoring point according to the current value detected by the current sensor.
Preferably, the second power consumption obtaining module includes:
the second rechargeable battery number acquiring subunit is used for acquiring the numbers of N second rechargeable batteries which are nearest to the first rechargeable battery around the first rechargeable battery when the remaining electric quantity of the first rechargeable battery is smaller than a first preset threshold, wherein the first preset threshold is larger than a second preset threshold, and N is a natural number larger than 5;
the temperature value acquisition subunit is used for acquiring the temperature value detected by the temperature sensor through the serial number;
and a highest electric power consumption line determination subunit for indirectly obtaining the position of the line with the highest electric power consumption based on the temperature information provided by the second rechargeable battery when the remaining capacity of the first rechargeable battery is less than a second predetermined threshold.
Preferably, the highest electric power consumption line determination subunit includes:
and the two-dimensional matrix construction module is used for constructing a second rechargeable battery current-temperature state two-dimensional matrix D as follows:
wherein d isijRepresenting the current, p, of the second rechargeable batteries i and jijRepresenting a temperature state estimate of the second rechargeable battery i versus the second rechargeable battery j at time t;
the temperature state estimation module is used for calculating the temperature state estimation p 'of the second rechargeable battery i to the second rechargeable battery j at the moment t + 1'ij：
in the formula
A corresponding line position acquisition module for acquiring the position of the second rechargeable battery with highest electric power consumption as Xi＝(x1,x2,…,xm) M represents an analysis depth and is a natural number greater than 5, where the values of the respective elements correspond to respective values obtained by arranging the currents of the second rechargeable battery i and the second rechargeable battery adjacent to the second rechargeable battery from small to large at time t, and the coordinate matrix to be obtained as the second rechargeable battery with the highest electric power consumption is X ═ X (X is a natural number greater than 5)1,X2,…,Xn)T，
Wherein g iskRepresents pijCentered on the second rechargeable battery k,
Eigenvalues, h, of a matrix of elements in the neighbourhood of the rangekIs represented by p'ijCentered on the second rechargeable battery k,
Zeta denotes the characteristic value of a matrix of elements in the neighbourhood of the range, i being less than k and j being less than kijCovariance matrix of constructed matrix and p 'of i less than k and j less than k'ijCovariance matrix of the constructed matrix the geometric mean of the moduli of the two covariance matrices.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. The utility model provides an intelligent building property control system, carries out the current sensor who monitors and the temperature sensor who detects to the temperature of circuit based on the electric current to the circuit, the circuit is the circuit of the monitoring point department that waits to carry out the energy consumption monitoring, current sensor and temperature sensor are respectively by setting up first rechargeable battery and the rechargeable battery power supply of second in the electric power table, and first rechargeable battery and the rechargeable battery of second charge in turn charge, include:
the first monitoring unit is used for acquiring the electric power consumed by a certain monitoring point of the intelligent building through the first power consumption acquisition module when the residual electric quantity of the first rechargeable battery is larger than a preset second threshold value;
the second monitoring unit is used for acquiring the position of a line with the highest consumed electric power through the second power consumption acquisition module when the residual electric quantity of the first rechargeable battery is smaller than a preset second threshold value for a certain monitoring point in the building;
a control unit for giving an alarm message in the form of a short message and reducing power consumption transmitted to a line at the monitoring point when the electric power consumed by the monitoring point exceeds a preset threshold;
the first monitoring unit includes:
the electrical parameter monitoring subunit is used for monitoring the output voltage and the output current of the first rechargeable battery;
the voltage integral value calculating operator unit is used for integrating the voltage value to obtain a voltage integral value;
the first internal resistance calculating subunit is used for calculating a first internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in a first time;
the second internal resistance calculation subunit is used for calculating second internal resistance according to the average value of the voltage value and the current value of the first rechargeable battery in second time;
a first rechargeable battery internal resistance determining subunit, configured to use a geometric average of the first internal resistance and the second internal resistance as the first rechargeable battery internal resistance;
a current integral value calculating operator unit for taking an inverse number between the internal resistance of the first rechargeable battery and the voltage integral value as a current integral value;
a first rechargeable battery remaining capacity determining subunit operable to calculate a remaining capacity of the first rechargeable battery from the current integrated value;
the first power consumption acquisition module is used for determining the electric power consumed by the monitoring point according to the current value detected by the current sensor;
the second power consumption obtaining module includes:
the second rechargeable battery number acquiring subunit is used for acquiring the numbers of N second rechargeable batteries which are nearest to the first rechargeable battery around the first rechargeable battery when the remaining electric quantity of the first rechargeable battery is smaller than a first preset threshold, wherein the first preset threshold is larger than a second preset threshold, and N is a natural number larger than 5;
the temperature value acquisition subunit is used for acquiring the temperature value detected by the temperature sensor through the serial number;
a highest electric power consumption line determination subunit for indirectly obtaining the position of the line that consumes the highest electric power based on the temperature information provided by the second rechargeable battery when the first rechargeable battery remaining capacity is less than a second predetermined threshold;
characterized in that the highest electric power consumption line determining subunit includes:
and the two-dimensional matrix construction module is used for constructing a second rechargeable battery current-temperature state two-dimensional matrix D as follows:
wherein d isijRepresents the current state estimation, p, of the second rechargeable battery i to the second rechargeable battery j at time tijRepresenting a temperature state estimate of the second rechargeable battery i versus the second rechargeable battery j at time t;
the temperature state estimation module is used for calculating the temperature state estimation p 'of the second rechargeable battery i to the second rechargeable battery j at the moment t + 1'ij：
in the formula
A line position acquisition module corresponding to a second rechargeable battery position with highest electric power consumption for setting an ith second rechargeable battery positionThe rechargeable battery has X coordinate1＝(x1，x2，…，xn) M represents an analysis depth and is a natural number greater than 5, where the values of the respective elements correspond to respective values obtained by arranging the currents of the second rechargeable battery i and the second rechargeable battery adjacent to the second rechargeable battery from small to large at time t, and the coordinate matrix to be obtained as the second rechargeable battery with the highest electric power consumption is X ═ X (X is a natural number greater than 5)1，X2，…，Xn)，
Wherein g iskRepresents pijCentered on the second rechargeable battery k,
Eigenvalues, h, of a matrix of elements in the neighbourhood of the rangekIs represented by p'ijCentered on the second rechargeable battery k,
Zeta denotes the characteristic value of a matrix of elements in the neighbourhood of the range, i being less than k and j being less than kijCovariance matrix of the formed matrix and p with i less than k and j less than kijCovariance matrix of the constructed matrix the geometric mean of the moduli of the two covariance matrices.
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Effective date of registration: 20200415 Address after: Room 702, building F, Sanlian Jade Culture Industrial Park, No.2 Songyuan Road, Jihua street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Tianpeng Construction Engineering Co., Ltd Address before: 610041 702, 5 building 399, Fucheng Avenue, Chengdu high tech Zone, Sichuan Applicant before: SICHUAN FLY-TOP SYSTEM INTEGRATION Co.,Ltd. |
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