CN114333220A - Temporary power utilization management method for construction site - Google Patents
Temporary power utilization management method for construction site Download PDFInfo
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- CN114333220A CN114333220A CN202210072224.8A CN202210072224A CN114333220A CN 114333220 A CN114333220 A CN 114333220A CN 202210072224 A CN202210072224 A CN 202210072224A CN 114333220 A CN114333220 A CN 114333220A
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Abstract
The invention discloses a temporary power management method for a construction site, which comprises the steps of wiring principle arrangement, a leakage protection mechanism, a smart idle switch and a cloud platform, wherein the Internet of things, the connection of a distribution box and an intelligent Bluetooth padlock are used for intelligently locking the distribution box and a switch box, preset values of ignition, overload, over-temperature and over-current are set, the power is automatically cut off after the preset values are exceeded, the Internet of things is connected with a smart smoke alarm, a circuit is timely alarmed, and an electrocardiogram is made for electrical equipment and circuits in real time by using the smart idle switch of the Tianchang's security department; the temporary power utilization management method for the construction site solves the problems that cross operation is serious, the construction site is disordered, personnel mobility is high, a construction period is short, a switch box and a distribution box are easy to age, maintenance is not in place, even wiring is not standard, and an electric appliance fire disaster is caused.
Description
Technical Field
The invention relates to the technical field of temporary power utilization management of a construction site, in particular to a temporary power utilization management method of the construction site.
Background
Because the building site workman self-restraint is poor, the installation is unreasonable, the operation is not standard, and cross operation is serious, and the building site is chaotic, and personnel mobility is big, and the time limit for a project is tight, has the risk that every aspect can not want to avoid, and the accident is sometimes or can't avoid, and switch box, block terminal are ageing easily, and the problem that the maintenance is out of place and causes the building site constructor to electrocute the death and death is more serious.
The current temporary power utilization planning of building site is difficult, does not have specific implementation scheme, and is fixed through artifical routine inspection and earth leakage protection threshold value, can not change according to actual conditions, and the switch closes a floodgate and leans on the tablet to warn, and the sequence of closing a floodgate depends on experience and consciousness, and the maloperation that should electrician easily leads to the consequence that the staff electrocuted, strikes sparks, transships etc. depend on manual inspection, can't inspect to earth leakage protector inside.
Therefore, the invention provides a temporary power utilization management method for a construction site, which solves the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a temporary power utilization management method for a construction site, which solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for temporary power management at a construction site, comprising: the method comprises the following steps:
the method comprises the following steps: the motor adopts a TN-S mode to arrange electricity, and realizes 'one machine, one gate, one drain and one box';
step two: the temporary construction site is arranged according to three-level power distribution;
step three: the temporary construction site adopts TN-S (three-phase five-line) arrangement;
step four: the intelligent air switch and cloud platform of the Tianchang safety department and the Internet of things are connected with a distribution box, so that the whole regional construction site is accurately positioned and monitored in real time;
step five: the exclusive permission of the leakage switch is set through the cloud platform, once the leakage threshold value is reduced, other people cannot change the leakage threshold value at will, and the automatic downward adjustment of the leakage switch threshold value can be set according to the requirement, but the automatic upward adjustment cannot be carried out;
step six: when the line of the electrical equipment needs to be maintained, the maintenance or the operation can be carried out only after an electrician operates or applies for the exclusive right of the switch, and after the operation is finished, the electricity can be recovered only by the electrician operating or canceling the exclusive right of the switch;
step seven: the switch box and the switch box are intelligently locked through an intelligent Bluetooth padlock after the switch box and the switch box do not need to be locked for one hour through monitoring of the cloud platform;
step eight: automatically performing switching-off and switching-on through automatic judgment of switching-off and switching-on conditions;
step nine: the power is automatically cut off after preset values of ignition, overload, over-temperature and over-current are set;
step ten: based on the intelligent space-time power supply of the Tianchang' an department, an electrocardiogram is made for the electrical equipment and the circuit in real time;
step eleven: if the circuit smokes, the intelligent smoke detector alarm is connected through the Internet of things, and the circuit is alarmed in time;
step twelve: when a fire disaster occurs, the fire door can be quickly opened through the Internet of things fire door magnet, and the fire disaster is extinguished.
Preferably, in the step one, "one machine, one gate, one leakage and one box" means that the total power distribution cabinet, the distribution electrical box and each branch circuit, the mobile power distribution box or the electrical gate are all provided with a leakage protector to form step-by-step leakage protection, and the TN-S power distribution in the step one and the step three means that a three-phase five-wire mode is adopted, that is, the exposed conductive part in the electrical device and the equipment in the electrical device are connected with different ground wires through leads, and the electrical device is connected with a live wire and a zero wire through leads.
Preferably, the third-level power distribution arrangement in the second step means that the main distribution box and the distribution box both adopt first-level leakage protection, the switch boxes corresponding to the distribution box all adopt second-level leakage protection devices, the distance between the distribution box and the corresponding switch boxes is less than or equal to thirty meters, and the distance between the switch boxes and the corresponding devices is less than or equal to three meters.
Preferably, in step four, the cloud platform, the internet of things and the distribution box can adopt WiFi or Lora wireless backhaul technology according to actual needs, and all switches are connected with the internet of things and the cloud platform.
Preferably, in the fourth step, the intelligent air mining thirty-two position high-performance ARM microprocessor is fixedly connected with a liquid crystal display, and electronic tripping is adopted inside the intelligent air mining thirty-two position high-performance ARM microprocessor.
Preferably, be provided with the two-dimensional code of unblanking in the step seven on the intelligent bluetooth padlock, the side has seted up and has reset and emergent power supply mouth, through pressing the key of awakening up, the code was swept to the accessible believe a little or the payment treasured and unblanked, can real-time supervision intelligent bluetooth padlock unblank and close the lock condition through the cloud platform, the accurate positioning is to the setting of unblanking.
Preferably, in the step eight, the condition of opening and closing the switch is that in the process of opening and closing the switches of each stage, the upper-stage switch cannot be opened before the lower-stage switch is forced to be opened, and the lower-stage switch cannot be closed before the upper-stage switch is opened.
Preferably, in the step nine, the temperature preset value is in the range of seventy degrees to ninety degrees, the warning is given when the temperature preset value exceeds seventy degrees and is lower than ninety degrees, the circuit is protected by breaking when the temperature preset value exceeds ninety degrees, the overcurrent preset value is 5%, 35% and 100% of rated current, when the current preset value exceeds 5% of rated current, the circuit is broken for 10 seconds, when the current preset value exceeds 35% of rated current, the circuit is broken when the current preset value exceeds 5% of rated current, and the circuit is broken when the current preset value exceeds 100% of rated current, the circuit is broken when the current preset value exceeds 1 second.
Preferably, the wisdom smoke detector alarm in the eleventh step comprises four bibliographic categories of wisdom smoke detector terminal, transmission network, wisdom fire control cloud platform and application system, and when the condition of a fire takes place, the smoke detector terminal starts local audible and visual alarm, goes up the cloud platform with warning information simultaneously, and platform linkage surveillance center still can report an emergency and ask for help or increased vigilance through the linkage of TTS pronunciation, SMS, APP little signal public signal, in time notifies managers.
Preferably, the ten-day-midday-constant-security-department intelligent air mining harmonic analysis is performed, sampling is performed 12000 times per second, electric harmonics are formed, electric fingerprints are established and identified, electric safety characteristics are accurately identified, and harmonic analysis is performed on operation of front-end equipment.
Advantageous effects
The invention provides a temporary power utilization management method for a construction site. Compared with the prior art, the method has the following beneficial effects:
the method provides an electricity utilization management method for temporary electricity utilization in a construction site, solves the problems of serious cross operation, disordered construction site, high personnel mobility, short construction period, easy aging of a switch box and a distribution box, improper maintenance and even nonstandard wiring, and causes fire of an electric appliance, and also solves the problems that the traditional power converter cannot monitor the electricity consumption in real time and cannot feed back the electricity utilization condition in an internet of things mode.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a wiring schematic in a third embodiment of the invention;
FIG. 3 is a wiring schematic in a second embodiment of the invention;
FIG. 4 is a wiring schematic in a third embodiment of the invention;
fig. 5 is a wiring diagram according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a method for managing temporary power consumption at a construction site includes the following steps:
the method comprises the following steps: the motor adopts a TN-S mode to arrange electricity, and realizes 'one machine, one gate, one drain and one box';
step two: the temporary construction site is arranged according to three-level power distribution;
step three: the temporary construction site adopts TN-S (three-phase five-line) arrangement;
step four: the intelligent air switch and cloud platform of the Tianchang safety department and the Internet of things are connected with a distribution box, so that the whole regional construction site is accurately positioned and monitored in real time;
step five: the exclusive permission of the leakage switch is set through the cloud platform, once the leakage threshold value is reduced, other people cannot change the leakage threshold value at will, and the automatic downward adjustment of the leakage switch threshold value can be set according to the requirement, but the automatic upward adjustment cannot be carried out;
step six: when the line of the electrical equipment needs to be maintained, the maintenance or the operation can be carried out only after an electrician operates or applies for the exclusive right of the switch, and after the operation is finished, the electricity can be recovered only by the electrician operating or canceling the exclusive right of the switch;
step seven: the switch box and the switch box are intelligently locked through an intelligent Bluetooth padlock after the switch box and the switch box do not need to be locked for one hour through monitoring of the cloud platform;
step eight: automatically performing switching-off and switching-on through automatic judgment of switching-off and switching-on conditions;
step nine: the power is automatically cut off after preset values of ignition, overload, over-temperature and over-current are set;
step ten: based on the intelligent space-time power supply of the Tianchang' an department, an electrocardiogram is made for the electrical equipment and the circuit in real time;
step eleven: if the circuit smokes, the intelligent smoke detector alarm is connected through the Internet of things, and the circuit is alarmed in time;
step twelve: when a fire disaster occurs, the fire door can be quickly opened through the Internet of things fire door magnet, and the fire disaster is extinguished.
In the ninth step, the preset temperature value is in the range of seventy degrees to ninety degrees, early warning is carried out when the preset temperature value exceeds seventy degrees and is lower than ninety degrees, circuit breaking protection is carried out when the preset temperature value exceeds ninety degrees and is lower than ninety degrees, the preset overcurrent value is 5%, 35% and 100% of rated current, when the preset temperature value exceeds 5% of rated current, the circuit is broken for 10 seconds, when the preset temperature value exceeds 35% of rated current, the circuit is broken for 5 seconds and exceeds 100% of rated current, the circuit is broken for 1 second, and the condition of switching-on in the eighth step is that each stage of switches are in the switching-on and switching-off process, the upper stage of switches cannot be switched on and the lower stage of switches cannot be switched on before being forced to be switched on, harmonic wave analysis is carried out for ten-day constant-safety intelligent air mining, the switching-on is carried out for 12000 times per second, electric harmonic waves are formed, electric fingerprints are established and identified accurately, and the electric safety characteristics are identified, and the harmonic wave analysis is carried out on the operation of the front-end equipment;
the intelligent air-raid mining uses thirty-two position high performance ARM microprocessor to process signal and intelligent control in real time, the intelligent air-raid is fixedly connected with liquid crystal display, menu type management, man-machine interface friendly, operation is simple, electronic tripping is adopted in the inside, it has long time delay, short time delay and instantaneous three-section protection function, it has high breaking capacity, it ensures the reliability of circuit short circuit protection, it can display and monitor the circuit residual current, three-phase power voltage, load power in real time, it can automatically adjust gear, ensure the operation rate and reliability of the product, according to the tripping type (residual current, locking, overload, undervoltage, overvoltage, open phase) identification, display, and can store, inquire, delete, trace the reason of tripping, it can realize accurate full electric quantity data acquisition, and safe electricity utilization alarm information matching with T3-805 collector, the functions of remote control and the like can be used for residual current protection and residual current gear setting, and the functions of reclosing and leakage protection are realized.
Example two:
please refer to fig. 3 and 5, cloud platform in step four, can adopt wiFi or the wireless passback technique of Lora between thing networking and the block terminal according to actual need, and all switches all are connected with thing networking and cloud platform, it is executable to fall to the ground depending on scientific and technical standard to the building site power consumption, supervision and inspection that lean on the manual work to go on in the past, through the cloud platform that the empty opening of wisdom and back support of day permanent ampere branch of branch, it is efficient to supervise the power consumption management of can directly carrying out on the net, no dead angle, it is meticulous, platform and APP can directly see the various power consumption data of every equipment, the electric leakage, strike sparks, overload and so on, can adjust the power consumption planning at any time in a flexible way as required, receive and release freely, the power consumption management mode of ancient board is to building group before changing, headquarters can more directly monitor all building sites, the highest level can directly obtain power consumption information on one hand.
Example three:
referring to fig. 2 and 4, the "one machine, one gate, one drain, one box" in the first step means that the main power distribution cabinet, the distribution box, each branch circuit, the mobile power distribution box or the electric gate are all provided with a leakage protector to form a step-by-step leakage protection, the TN-S power distribution in the first step and the third step means that a three-phase five-wire mode is adopted, namely, the exposed conductive part in the electric device and the equipment in the electric device are connected with different ground wires through leads, the electric device is connected with a live wire zero line through leads, the three-level distribution arrangement means that a main distribution box and a distribution box both adopt first-level leakage protection, switch boxes corresponding to the distribution box all adopt second-level leakage protection devices, therefore, the gradual leakage protection is formed, the distance between the distribution electric box and the corresponding switch box is less than or equal to thirty meters, and the distance between the switch box and the corresponding equipment is less than or equal to three meters.
Example four:
the intelligent smoke alarm in the eleventh step consists of four parts, namely an intelligent smoke sensing terminal, a transmission network, an intelligent fire-fighting cloud platform and an application system, wherein when a fire occurs, the smoke sensing terminal starts a local sound-light alarm and simultaneously uploads alarm information to the cloud platform, the platform is linked with a monitoring center, and the intelligent smoke sensing alarm can be timely notified to a manager through TTS voice, short messages and APP WeChat public number linkage alarm, based on intelligent smoke sensing, based on the Internet of things, big data storage and analysis, cloud computing and mobile Internet, combined with the characteristics of the fire detection alarm industry, the sales mode of a traditional single product is broken through, a brand new service channel is expanded, a systematized comprehensive alarm scheme is provided, a future intelligent smoke sensing system framework is created, value-added services are provided, and more social values are created;
be provided with the two-dimensional code of unblanking in the step seven on the intelligent bluetooth padlock, the side has been seted up and has been reset and emergent power supply mouth, through pressing the key of awakening up, the code is swept to accessible believe a little or the precious code of paying and unblank, but through cloud platform real-time supervision intelligence bluetooth padlock unblank and close the lock condition, the accurate positioning is to the setting of unblanking, the padlock if take place special extreme condition or unusual, can reset it according to following mode, will cause the padlock to lack of electricity and be difficult to network and open, accessible interface connection outside treasured that charges does emergent unblanking.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method for temporary power management at a construction site, comprising: the method comprises the following steps:
the method comprises the following steps: the motor adopts a TN-S mode to arrange electricity, and realizes 'one machine, one gate, one drain and one box';
step two: the temporary construction site is arranged according to three-level power distribution;
step three: adopting TN-S arrangement in the temporary construction site;
step four: the intelligent air switch and cloud platform of the Tianchang safety department and the Internet of things are connected with a distribution box, so that the whole regional construction site is accurately positioned and monitored in real time;
step five: the exclusive permission of the leakage switch is set through the cloud platform, once the leakage threshold value is reduced, other people cannot change the leakage threshold value at will, and the automatic downward adjustment of the leakage switch threshold value can be set according to the requirement, but the automatic upward adjustment cannot be carried out;
step six: when the line of the electrical equipment needs to be maintained, the maintenance or the operation can be carried out only after an electrician operates or applies for the exclusive right of the switch, and after the operation is finished, the electricity can be recovered only by the electrician operating or canceling the exclusive right of the switch;
step seven: the switch box and the switch box are intelligently locked through an intelligent Bluetooth padlock after the switch box and the switch box do not need to be locked for one hour through monitoring of the cloud platform;
step eight: automatically performing switching-off and switching-on through automatic judgment of switching-off and switching-on conditions;
step nine: the power is automatically cut off after preset values of ignition, overload, over-temperature and over-current are set;
step ten: based on the intelligent space-time power supply of the Tianchang' an department, an electrocardiogram is made for the electrical equipment and the circuit in real time;
step eleven: if the circuit smokes, the intelligent smoke detector alarm is connected through the Internet of things, and the circuit is alarmed in time;
step twelve: when a fire disaster occurs, the fire door can be quickly opened through the Internet of things fire door magnet, and the fire disaster is extinguished.
2. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: the step one and the step three of TN-S mode power distribution mean that a three-phase five-wire mode is adopted, namely, exposed conductive parts in an electrical device and equipment in the electrical device are connected with different ground wires through leads, and the electrical device is connected with a live wire and a zero wire through leads.
3. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: and in the second step, the third-level power distribution arrangement means that the main distribution box and the distribution box adopt first-level leakage protection, the switch boxes corresponding to the distribution box adopt second-level leakage protection devices, the distance between the distribution box and the corresponding switch boxes is less than or equal to thirty meters, and the distance between the switch boxes and the corresponding equipment is less than or equal to three meters.
4. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: in step four, WiFi or Lora wireless return technology can be adopted among the cloud platform, the Internet of things and the distribution box according to actual needs, and all switches are connected with the Internet of things and the cloud platform.
5. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: in the fourth step, the intelligent air mining thirty-two position high-performance ARM microprocessor is fixedly connected with a liquid crystal display on the intelligent air mining, and electronic tripping is adopted inside the intelligent air mining thirty-two position high-performance ARM microprocessor.
6. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: and seventhly, the intelligent Bluetooth padlock is provided with an unlocking two-dimensional code and the side face is provided with a reset and emergency power supply port, the code is swept to the micro-letter or payment treasure through pressing the awakening key, the intelligent Bluetooth padlock can be monitored in real time through the cloud platform to unlock and lock, and the unlocking setting is accurately positioned.
7. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: and the condition of switching on the lower layer switch in the step eight is that the upper layer switch cannot be switched off and the lower layer switch cannot be switched on before the lower layer switch is forced to be switched on and switched off in the switching-on and switching-off process of the switches at all levels.
8. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: in the step nine, the temperature preset value is in the range of seventy degrees to ninety degrees, warning is carried out when the temperature preset value exceeds seventy degrees and is lower than ninety degrees, circuit breaking protection is carried out when the temperature preset value exceeds seventy degrees and is lower than ninety degrees, overcurrent preset values are 5%, 35% and 100% of rated current, when the overcurrent preset value exceeds 5% of rated current, the circuit is broken for 10 seconds, when the overcurrent preset value exceeds 35% of rated current, the circuit is broken for 5 seconds, and when the overcurrent preset value exceeds 100% of rated current, the circuit is broken for 1 second.
9. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: the intelligent smoke alarm in the eleventh step is composed of four parts, namely, an intelligent smoke sensing terminal, a transmission network, an intelligent fire-fighting cloud platform and an application system, when a fire occurs, the smoke sensing terminal starts a local sound-light alarm, meanwhile, alarm information is uploaded to the cloud platform, the platform is linked with a monitoring center, and further, the alarm can be linked through TTS voice, short messages and APP WeChat public numbers to alarm so as to timely inform a manager.
10. The method for managing temporary electricity usage at a construction site according to claim 1, wherein: and in the step ten, harmonic analysis is performed for the intelligent air mining of the department of constant security in the heaven, electric harmonic is formed by sampling 12000 times per second, electric fingerprints are established and identified, the electric safety characteristics are accurately identified, and harmonic analysis is performed on the operation of front-end equipment.
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