阅读说明：本技术 一种具有散热除尘功能的电气柜系统 (Electrical cabinet system with heat dissipation and dust removal functions ) 是由 杨科科 范乐 任宁宁 李名莉 梁硕 于 2021-02-26 设计创作，主要内容包括：本发明属于电气设备技术领域,公开了一种具有散热除尘功能的电气柜系统,包括：参数预设模块、摄像模块、数据监控模块、通风模块、散热模块、除尘模块、照明模块、显示模块、报警模块、灭火模块、中央控制和处理模块。本发明通过排气扇、热交换器、空调进行降温提高了降温的效率,同时,安装有烟雾传感器以及灭火装置有效的提高了电气柜的安全性,另外,本发明还设置有除尘器对电气柜内的尘粒进行除尘作业,使电气柜同时具备了散热和除尘功能,解决了传统的清洁方式中存在的工作人员进行人工手动清理,清理时间较长,清理效果较低,加大了工作人员劳动强度的同时,降低了工作人员的工作效率的问题,在一定程度上延长了电气柜的使用寿命。(The invention belongs to the technical field of electrical equipment, and discloses an electrical cabinet system with a heat dissipation and dust removal function, which comprises: the device comprises a parameter presetting module, a camera module, a data monitoring module, a ventilation module, a heat dissipation module, a dust removal module, an illumination module, a display module, an alarm module, a fire extinguishing module and a central control and processing module. The electric cabinet temperature-reducing device has the advantages that the temperature-reducing efficiency is improved through the exhaust fan, the heat exchanger and the air conditioner, meanwhile, the safety of the electric cabinet is effectively improved through the smoke sensor and the fire extinguishing device, in addition, the dust remover is further arranged for carrying out dust-removing operation on dust particles in the electric cabinet, so that the electric cabinet has the heat-radiating and dust-removing functions at the same time, the problems that workers carry out manual cleaning in the traditional cleaning mode, the cleaning time is long, the cleaning effect is low, the labor intensity of the workers is increased, the working efficiency of the workers is reduced are solved, and the service life of the electric cabinet is prolonged to a certain extent.)

1. The utility model provides an electrical cabinet system with heat dissipation dust removal function which characterized in that, the electrical cabinet system with heat dissipation dust removal function includes:

the parameter presetting module is connected with the central control and processing module and is used for presetting temperature, humidity and dust control parameters in the related normal electric appliance cabinet;

the camera module is connected with the central control and processing module and used for acquiring related video data in the electric appliance cabinet through camera equipment;

the data monitoring module is connected with the central control and processing module and is used for acquiring temperature, humidity and dust data by using the temperature sensor, the humidity sensor and the dust detector and sensing whether fire hazard exists in the electric appliance cabinet by using the smoke sensor;

the fractional low-order fuzzy function of the digital modulation signal x (t) of the humidity sensor is expressed as:

where τ is the delay shift, f is the Doppler shift, 0<a,b<α/2，x^*(t) denotes the conjugate of x (t), when x (t) is a real signal, x (t)^<p>＝|x(t)|^<p>sgn (x (t)); when x (t) is a complex signal, [ x (t)]^<p>＝|x(t)|^p-1x^*(t)；

The detection signal y (t) using the smoke sensor is represented as:

y(t)＝X(t)+n(t)；

wherein, x (t) is a digital modulation signal, n (t) is pulse noise distributed according to standard S alpha S, and the analytic form of x (t) is expressed as:

wherein N is the number of sampling points, a_nFor the transmitted information symbols, in the MASK signal, a_n0,1,2, …, M-1, M being the modulation order, a_n＝e^j2πε/MWhere e is 0,1,2, …, M-1, g (T) denotes a rectangular shaping pulse, T_bDenotes the symbol period, f_cIndicating carrier frequency, carrier initial phaseIs at [0,2 π]Random numbers uniformly distributed therein;

the ventilation module is connected with the central control and processing module and is used for ventilating through an exhaust fan;

the heat dissipation module is connected with the central control and processing module and is used for cooling and dissipating heat of the electrical cabinet;

and the central control and processing module is connected with the parameter presetting module, the camera module, the data monitoring module, the ventilation module and the heat dissipation module and is used for controlling the operation of each connecting module through the main control computer and ensuring the normal operation of each module.

2. The electrical cabinet system with heat dissipation and dust removal functions as claimed in claim 1, wherein the electrical cabinet system with heat dissipation and dust removal functions further comprises:

the dust removal module is connected with the central control and processing module and is used for carrying out dust removal operation in the electric cabinet through a dust remover;

the central control and processing module is connected with the lighting module and is used for providing necessary lighting requirements for operation in the electrical cabinet;

the display module is connected with the central control and processing module and is used for displaying relevant humidity, temperature and dust parameters in the electrical cabinet and monitoring pictures in real time;

the alarm module is connected with the central control and processing module and is used for alarming the abnormal phenomenon in the electrical cabinet by using the alarm device;

and the fire extinguishing module is connected with the central control and processing module and is used for extinguishing fire in the electrical cabinet by using dry powder.

3. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 1, wherein the acquiring of the related video data in the electrical cabinet by the camera device comprises: utilizing camera equipment to obtain a face image, comparing and identifying the face image with a prestored face image, and opening the electric cabinet door if the face image passes the identification; otherwise, the cabinet door is not opened.

4. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 1, wherein the sensing whether a fire hazard exists in the electrical cabinet by using the smoke sensor comprises:

(1) acquiring smoke information by using a smoke sensor to obtain smoke data information in the electric appliance cabinet;

(2) acquiring fire initiation probability corresponding to the smoke amount from a webpage;

(3) analyzing the fire initiation probability information corresponding to the obtained smoke amount to obtain a smoke amount safety value;

(4) and judging whether fire hazard exists in the electric appliance cabinet or not through the acquired smoke data information and the smoke quantity safety value in the electric appliance cabinet.

5. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 4, wherein the probability of fire initiation corresponding to the smoke amount from the webpage comprises:

the method comprises the steps that mobile nodes form a network, a data ID in the network defines data of one type, the mobile nodes which can provide the data of the same type in the network form a k-anycast group, the k-anycast group is uniquely identified by the data ID defining the data of the type, and the mobile nodes in the k-anycast group are called backbone nodes;

in a k-anycast group which comprises X backbone nodes and can provide data C, wherein X is more than or equal to 2, backbone nodes B_xBy a unique network prefix M_xIdentification, the k-anycast group is defined by the set of network prefixes G, as follows:

wherein X is more than or equal to X is more than or equal to 1;

the address of a backbone node or mobile node comprises two parts: a network prefix of i bits and a node ID of j bits; the network prefix comprises a data ID of k bits and a backbone ID of (i-k) bits, the node ID comprises a data ID of k bits and an internal ID of (j-k) bits, and i, j and k are positive integers smaller than 64;

after a backbone node B is started, a temporary address is created, the network prefix of the temporary address is an i-bit random number, and the node ID is a j-bit random number; backbone node B_xBroadcasting an address creation message, wherein the source address of the message is a temporary address, and the load is a random number and a data ID c; backbone node B_xWaiting for a certain time, judging the backbone node B after receiving the address creation information broadcast by other X-1 backbone nodes in the same k-anycast group_y1And backbone node B_y2Wherein y1 ≠ y 2;

backbone node B_xWill be the same k-X backbone nodes in the anycast group are ordered in increasing order of priority if backbone node B_xThe priority of (2) is p in the ordering value of X backbone nodes, X is more than or equal to p and more than or equal to 1, and backbone node B_xThen set its backbone ID to p_xSimultaneously constructing an address, wherein the data ID in the network prefix of the address is c, the node ID is zero, and simultaneously constructing an address according to a formulaConstructing a network prefix set G;

backbone node with network prefix of y according to formula Obtaining an internal ID space [ L (y), U (y)]，X≥y≥1。

6. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 1, wherein the heat dissipation module comprises a heat exchanger cooling unit and an air conditioner cooling unit; the heat exchanger unit is used for reducing the temperature in the electrical cabinet by using a heat exchanger; the air conditioner cooling unit is used for cooling in the electrical cabinet by utilizing an air conditioner.

7. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 1, wherein the controlling of the operation of each connection module by the main control computer comprises:

the method comprises the steps that a main PID controller and an auxiliary PID controller are connected in series, a first variable coefficient is introduced into a proportional coefficient of the main PID controller, a second variable coefficient is introduced into a differential coefficient of the main PID controller, and a low-pass filter is connected in a differential term of the auxiliary PID controller in series;

calculating a control deviation value at the current moment, judging whether the control deviation value at the current moment is greater than a threshold value of an adjustment target value, and calculating a current control quantity through a main PID controller and an auxiliary PID controller which are connected in series if the control deviation value at the current moment is greater than the threshold value of the adjustment target value;

and the secondary PID controller outputs the current control quantity to the controlled object.

8. The electrical cabinet system with the heat dissipation and dust removal functions as claimed in claim 1, wherein the alarming of the abnormal phenomenon in the electrical cabinet by using the alarming device comprises: and when the temperature, the humidity and the dust values exceed the threshold values, alarming is carried out.

9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to apply the electrical cabinet system with heat dissipation and dust removal functions as claimed in any one of claims 1 to 8 when the computer program product is executed on an electronic device.

10. A computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to apply the electrical cabinet system with heat dissipation and dust removal functions as claimed in any one of claims 1 to 8.

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to an electrical cabinet system with a heat dissipation and dust removal function.

Background

At present: the electrical cabinet is used for bearing various electrical components and can play a role in protecting the electrical components. When the components work, more heat can be generated, so that the temperature inside and outside the electrical cabinet can rise; if not in time dispel the heat to the regulator cubicle, the inside components and parts of regulator cubicle just receive the damage easily. Therefore, the heat dissipation system is important for the electrical cabinet. Due to the pollution of the use environment, a large amount of dust can enter the electrical cabinet in the long-term use process of the electrical cabinet, the failure phenomena of a contactor and a change-over switch are often caused, and the safe operation of equipment and a power grid is seriously threatened.

The heat dissipation mode of current regulator cubicle, come to dispel the heat to regulator cubicle inside through seting up the heat dissipation through-hole, but in the radiating, often lead to the dust attached on the dustproof otter board of heat dissipation window easily, in the past for a long time, the surface of dustproof otter board and the condition of jam appears easily in the past, traditional clean mode, all be the staff, manual work is cleared up, cleaning time is longer, and the clearance effect is lower, when having strengthened staff intensity of labour, staff's work efficiency has been reduced, the radiating effect of regulator cubicle has also been influenced simultaneously, the life of regulator cubicle has been shortened to a certain extent.

Through the above analysis, the problems and defects of the prior art are as follows: the dust is attached to the dustproof screen plate of the heat dissipation window while heat is dissipated in the conventional electric cabinet, so that the service life of the electric cabinet is shortened.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an electrical cabinet system with a heat dissipation and dust removal function.

The invention is realized in this way, an electrical cabinet system with heat dissipation and dust removal functions comprises:

the parameter presetting module is connected with the central control and processing module and is used for presetting temperature, humidity and dust control parameters in the related normal electric appliance cabinet;

the camera module is connected with the central control and processing module and used for acquiring related video data in the electric appliance cabinet through camera equipment;

the data monitoring module is connected with the central control and processing module and is used for acquiring temperature, humidity and dust data by using the temperature sensor, the humidity sensor and the dust detector and sensing whether fire hazard exists in the electric appliance cabinet by using the smoke sensor;

the fractional low-order fuzzy function of the digital modulation signal x (t) of the humidity sensor is expressed as:

where τ is the delay shift, f is the Doppler shift, 0<a,b<α/2，x^*(t) denotes the conjugate of x (t), when x (t) is a real signal, x (t)^<p>＝|x(t)|^<p>sgn (x (t)); when x (t) is a complex signal, [ x (t)]^<p>＝|x(t)|^p-1x^*(t)；

The detection signal y (t) using the smoke sensor is represented as:

y(t)＝X(t)+n(t)；

wherein, x (t) is a digital modulation signal, n (t) is pulse noise distributed according to standard S alpha S, and the analytic form of x (t) is expressed as:

wherein N is the number of sampling points, a_nFor the transmitted information symbols, in the MASK signal, a_n0,1,2, …, M-1, M being the modulation order, a_n＝e^j2πε/MWhere e is 0,1,2, …, M-1, g (T) denotes a rectangular shaping pulse, T_bDenotes the symbol period, f_cIndicating carrier frequency, carrier initial phaseIs at [0,2 π]Random numbers uniformly distributed therein;

the ventilation module is connected with the central control and processing module and is used for ventilating through an exhaust fan;

the heat dissipation module is connected with the central control and processing module and is used for cooling and dissipating heat of the electrical cabinet;

and the central control and processing module is connected with the parameter presetting module, the camera module, the data monitoring module, the ventilation module and the heat dissipation module and is used for controlling the operation of each connecting module through the main control computer and ensuring the normal operation of each module.

Further, the electrical cabinet system with heat dissipation and dust removal functions further comprises:

the dust removal module is connected with the central control and processing module and is used for carrying out dust removal operation in the electric cabinet through a dust remover;

the central control and processing module is connected with the lighting module and is used for providing necessary lighting requirements for operation in the electrical cabinet;

the display module is connected with the central control and processing module and is used for displaying relevant humidity, temperature and dust parameters in the electrical cabinet and monitoring pictures in real time;

the alarm module is connected with the central control and processing module and is used for alarming the abnormal phenomenon in the electrical cabinet by using the alarm device;

and the fire extinguishing module is connected with the central control and processing module and is used for extinguishing fire in the electrical cabinet by using dry powder.

Further, the obtaining of the related video data in the electric appliance cabinet through the camera device includes: utilizing camera equipment to obtain a face image, comparing and identifying the face image with a prestored face image, and opening the electric cabinet door if the face image passes the identification; otherwise, the cabinet door is not opened.

Further, whether utilize smoke transducer perception electric appliance cabinet to exist the conflagration hidden danger in, include:

(1) acquiring smoke information by using a smoke sensor to obtain smoke data information in the electric appliance cabinet;

(2) acquiring fire initiation probability corresponding to the smoke amount from a webpage;

(3) analyzing the fire initiation probability information corresponding to the obtained smoke amount to obtain a smoke amount safety value;

(4) and judging whether fire hazard exists in the electric appliance cabinet or not through the acquired smoke data information and the smoke quantity safety value in the electric appliance cabinet.

Further, the performing of the fire initiation probability corresponding to the smoke amount from the webpage includes:

the method comprises the steps that mobile nodes form a network, a data ID in the network defines data of one type, the mobile nodes which can provide the data of the same type in the network form a k-anycast group, the k-anycast group is uniquely identified by the data ID defining the data of the type, and the mobile nodes in the k-anycast group are called backbone nodes;

in a k-anycast group which comprises X backbone nodes and can provide data C, wherein X is more than or equal to 2, backbone nodes B_xBy a unique network prefix M_xIdentification, the k-anycast group is defined by the set of network prefixes G, as follows:

wherein X is more than or equal to X is more than or equal to 1;

the address of a backbone node or mobile node comprises two parts: a network prefix of i bits and a node ID of j bits; the network prefix comprises a data ID of k bits and a backbone ID of (i-k) bits, the node ID comprises a data ID of k bits and an internal ID of (j-k) bits, and i, j and k are positive integers smaller than 64;

after a backbone node B is started, a temporary address is created, the network prefix of the temporary address is an i-bit random number, and the node ID is a j-bit random number; backbone node B_xBroadcasting an address creation message, wherein the source address of the message is a temporary address, and the load is a random number and a data ID c; backbone node B_xWaiting for a certain time, judging the backbone node B after receiving the address creation information broadcast by other X-1 backbone nodes in the same k-anycast group_y1And backbone node B_y2Wherein y1 ≠ y 2;

backbone node B_xThe X backbone nodes in the same k-anycast group are sorted according to the priority level in an increasing way, if the backbone node B_xThe priority of (2) is p in the ordering value of X backbone nodes, X is more than or equal to p and more than or equal to 1, and backbone node B_xThen set its backbone ID to p_xSimultaneously constructing an address, wherein the data ID in the network prefix of the address is c, the node ID is zero, and simultaneously constructing an address according to a formulaConstructing a network prefix set G;

backbone node with network prefix of y according to formula Obtaining an internal ID space [ L (y), U (y)]，X≥y≥1。

Further, the heat dissipation module comprises a heat exchanger cooling unit and an air conditioner cooling unit; the heat exchanger unit is used for reducing the temperature in the electrical cabinet by using a heat exchanger; the air conditioner cooling unit is used for cooling in the electrical cabinet by utilizing an air conditioner.

Further, the controlling the operation of each connection module by the main control computer includes:

the method comprises the steps that a main PID controller and an auxiliary PID controller are connected in series, a first variable coefficient is introduced into a proportional coefficient of the main PID controller, a second variable coefficient is introduced into a differential coefficient of the main PID controller, and a low-pass filter is connected in a differential term of the auxiliary PID controller in series;

calculating a control deviation value at the current moment, judging whether the control deviation value at the current moment is greater than a threshold value of an adjustment target value, and calculating a current control quantity through a main PID controller and an auxiliary PID controller which are connected in series if the control deviation value at the current moment is greater than the threshold value of the adjustment target value;

and the secondary PID controller outputs the current control quantity to the controlled object.

Further, the alarm device for alarming abnormal phenomena in the electrical cabinet comprises: and when the temperature, the humidity and the dust values exceed the threshold values, alarming is carried out.

Another object of the present invention is to provide a computer program product stored on a computer readable medium, which includes a computer readable program, when the computer readable program is executed on an electronic device, a user input interface is provided to apply the electrical cabinet system with heat dissipation and dust removal functions.

Another object of the present invention is to provide a computer-readable storage medium, which stores instructions that, when executed on a computer, cause the computer to apply the electrical cabinet system with heat dissipation and dust removal functions.

By combining all the technical schemes, the invention has the advantages and positive effects that: the electric cabinet temperature-reducing device has the advantages that the temperature-reducing efficiency is improved through the exhaust fan, the heat exchanger and the air conditioner, meanwhile, the safety of the electric cabinet is effectively improved through the smoke sensor and the fire extinguishing device, in addition, the dust remover is further arranged for carrying out dust-removing operation on dust particles in the electric cabinet, so that the electric cabinet has the heat-radiating and dust-removing functions at the same time, the problems that workers carry out manual cleaning in the traditional cleaning mode, the cleaning time is long, the cleaning effect is low, the labor intensity of the workers is increased, the working efficiency of the workers is reduced are solved, and the service life of the electric cabinet is prolonged to a certain extent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a block diagram of an electrical cabinet system with heat dissipation and dust removal functions according to an embodiment of the present invention.

Fig. 2 is a flowchart of a method for dissipating heat and removing dust of an electrical cabinet with a heat dissipation and dust removal function according to an embodiment of the present invention.

Fig. 3 is a flowchart for sensing whether a fire hazard exists in an electrical cabinet by using a smoke sensor according to an embodiment of the present invention.

Fig. 4 is a block diagram of a heat dissipation module according to an embodiment of the present invention.

Fig. 5 is a flowchart for controlling the operation of each connection module through the master controller according to the embodiment of the present invention.

In the figure: 1. a parameter presetting module; 2. a camera module; 3. a data monitoring module; 4. a ventilation module; 5. A heat dissipation module; 6. a central control and processing module; 7. a dust removal module; 8. a lighting module; 9. a display module; 10. an alarm module; 11. a fire extinguishing module; 12. a heat exchanger cooling unit; 13. an air-conditioning cooling unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Aiming at the problems in the prior art, the invention provides an electrical cabinet system with a heat dissipation and dust removal function, and the technical scheme of the invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1, an electrical cabinet system with heat dissipation and dust removal functions provided in an embodiment of the present invention includes:

the parameter presetting module 1 is connected with the central control and processing module 6 and is used for presetting temperature, humidity and dust control parameters in a related normal electric appliance cabinet;

the camera module 2 is connected with the central control and processing module 6 and used for acquiring related video data in the electric appliance cabinet through camera equipment;

the data monitoring module 3 is connected with the central control and processing module 6 and is used for acquiring temperature, humidity and dust data by using a temperature sensor, a humidity sensor and a dust detector and sensing whether fire hazard exists in the electric appliance cabinet by using a smoke sensor;

the ventilation module 4 is connected with the central control and processing module 6 and is used for ventilating through an exhaust fan;

the heat dissipation module 5 is connected with the central control and processing module 6 and used for cooling and dissipating heat of the electrical cabinet;

the central control and processing module 6 is connected with the parameter presetting module 1, the camera module 2, the data monitoring module 3, the ventilation module 4, the heat dissipation module 5, the dust removal module 7, the illumination module 8, the display module 9, the alarm module 10 and the fire extinguishing module 11, and is used for controlling the operation of each connecting module through a main control machine and ensuring the normal operation of each module;

the dust removal module 7 is connected with the central control and processing module 6 and is used for carrying out dust removal operation in the electrical cabinet through a dust remover;

the lighting module 8 is connected with the central control and processing module 6 and is used for providing necessary lighting requirements for operation in the electrical cabinet;

the display module 9 is connected with the central control and processing module 6 and is used for displaying relevant humidity, temperature and dust parameters in the electrical cabinet and monitoring pictures in real time;

the alarm module 10 is connected with the central control and processing module 6 and used for alarming the abnormal phenomenon in the electrical cabinet by using an alarm device;

and the fire extinguishing module 11 is connected with the central control and processing module 6 and is used for extinguishing fire in the electrical cabinet by using dry powder.

As shown in fig. 2, a method for dissipating heat and removing dust of an electrical cabinet with a heat dissipation and dust removal function provided by an embodiment of the present invention includes:

s101, presetting temperature, humidity and dust control parameters in a related normal electric appliance cabinet through a parameter presetting module; acquiring related video data in the electric appliance cabinet by using camera equipment through a camera module;

s102, acquiring temperature, humidity and dust data by using a temperature sensor, a humidity sensor and a dust detector through a data monitoring module, and sensing whether fire hazard exists in the electric appliance cabinet by using a smoke sensor;

s103, ventilating by using an exhaust fan through a ventilation module; the cooling and heat dissipation of the electrical cabinet are carried out through the heat dissipation module;

s104, the central control and processing module controls the operation of each connecting module by using a main control machine to ensure the normal operation of each module;

s105, the dust removal module utilizes a dust remover to perform dust removal operation in the electrical cabinet; the lighting module provides necessary lighting requirements for operation in the electrical cabinet;

s106, the display module displays relevant humidity, temperature and dust parameters in the electrical cabinet and a real-time monitoring picture; the alarm module alarms the abnormal phenomenon in the electrical cabinet by using the alarm device; the fire extinguishing module extinguishes fire in the electrical cabinet by using dry powder.

The embodiment of the invention provides a method for acquiring related video data in an electric appliance cabinet through camera equipment, which comprises the following steps: utilizing camera equipment to obtain a face image, comparing and identifying the face image with a prestored face image, and opening the electric cabinet door if the face image passes the identification; otherwise, the cabinet door is not opened.

The fractional low-order fuzzy function of the digital modulation signal x (t) of the humidity sensor provided by the embodiment of the invention is expressed as follows:

where τ is the delay shift, f is the Doppler shift, 0<a,b<α/2，x^*(t) representsConjugate of x (t), when x (t) is real signal, x (t)^<p>＝|x(t)|^<p>sgn (x (t)); when x (t) is a complex signal, [ x (t)]^<p>＝|x(t)|^p-1x^*(t)。

The detection signal y (t) using the smoke sensor provided by the embodiment of the present invention is represented as:

y(t)＝X(t)+n(t)；

wherein, x (t) is a digital modulation signal, n (t) is pulse noise distributed according to standard S alpha S, and the analytic form of x (t) is expressed as:

wherein N is the number of sampling points, a_nFor the transmitted information symbols, in the MASK signal, a_n0,1,2, …, M-1, M being the modulation order, a_n＝e^j2πε/MWhere e is 0,1,2, …, M-1, g (T) denotes a rectangular shaping pulse, T_bDenotes the symbol period, f_cIndicating carrier frequency, carrier initial phaseIs at [0,2 π]Random numbers uniformly distributed therein;

as shown in fig. 3, the sensing whether a fire hazard exists in an electrical cabinet by using a smoke sensor according to an embodiment of the present invention includes:

s201, acquiring smoke information by using a smoke sensor to obtain smoke data information in the electric appliance cabinet;

s202, acquiring fire initiation probability corresponding to smoke amount from a webpage;

s203, analyzing the fire initiation probability information corresponding to the obtained smoke amount to obtain a smoke amount safety value;

and S204, judging whether fire hazard exists in the electric appliance cabinet or not according to the acquired smoke data information and the smoke quantity safety value in the electric appliance cabinet.

The fire initiation probability corresponding to the smoke amount from the webpage provided by the embodiment of the invention comprises the following steps:

the method comprises the steps that mobile nodes form a network, a data ID in the network defines data of one type, the mobile nodes which can provide the data of the same type in the network form a k-anycast group, the k-anycast group is uniquely identified by the data ID defining the data of the type, and the mobile nodes in the k-anycast group are called backbone nodes;

in a k-anycast group which comprises X backbone nodes and can provide data C, wherein X is more than or equal to 2, backbone nodes B_xBy a unique network prefix M_xIdentification, the k-anycast group is defined by the set of network prefixes G, as follows:

wherein X is more than or equal to X is more than or equal to 1;

the address of a backbone node or mobile node comprises two parts: a network prefix of i bits and a node ID of j bits; the network prefix comprises a data ID of k bits and a backbone ID of (i-k) bits, the node ID comprises a data ID of k bits and an internal ID of (j-k) bits, and i, j and k are positive integers smaller than 64;

after a backbone node B is started, a temporary address is created, the network prefix of the temporary address is an i-bit random number, and the node ID is a j-bit random number; backbone node B_xBroadcasting an address creation message, wherein the source address of the message is a temporary address, and the load is a random number and a data ID c; backbone node B_xWaiting for a certain time, judging the backbone node B after receiving the address creation information broadcast by other X-1 backbone nodes in the same k-anycast group_y1And backbone node B_y2Wherein y1 ≠ y 2;

backbone node B_xThe X backbone nodes in the same k-anycast group are sorted according to the priority level in an increasing way, if the backbone node B_xThe priority of (2) is p in the ordering value of X backbone nodes, X is more than or equal to p and more than or equal to 1, and backbone node B_xThen set its backbone ID to p_xSimultaneously constructing an address, saidThe data ID in the network prefix of the address is c, the node ID is zero, and the data ID and the node ID are calculated according to a formulaConstructing a network prefix set G;

backbone node with network prefix of y according to formula Obtaining an internal ID space [ L (y), U (y)]，X≥y≥1。

As shown in fig. 4, the heat dissipation module according to the embodiment of the present invention includes a heat exchanger cooling unit 12 and an air conditioner cooling unit 13; the heat exchanger unit is used for reducing the temperature in the electrical cabinet by using a heat exchanger; the air conditioner cooling unit is used for cooling in the electrical cabinet by utilizing an air conditioner.

As shown in fig. 5, the controlling the operation of each connection module by the master controller according to the embodiment of the present invention includes:

s301, a main PID controller and an auxiliary PID controller are connected in series, a first variable coefficient is introduced into a proportional coefficient of the main PID controller, a second variable coefficient is introduced into a differential coefficient of the main PID controller, and a low-pass filter is connected in series in a differential term of the auxiliary PID controller;

s302, calculating a control deviation value at the current moment, judging whether the control deviation value at the current moment is greater than a threshold of an adjustment target value, and calculating a current control quantity through a main PID controller and an auxiliary PID controller which are connected in series if the control deviation value at the current moment is greater than the threshold of the adjustment target value;

and S303, the secondary PID controller outputs the current control quantity to the controlled object.

The alarm device for alarming the abnormal phenomenon in the electrical cabinet provided by the embodiment of the invention comprises: and when the temperature, the humidity and the dust values exceed the threshold values, alarming is carried out.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.