CN110676729A

CN110676729A - Terminal block terminal of intelligence

Info

Publication number: CN110676729A
Application number: CN201911012424.9A
Authority: CN
Inventors: 刘文龙
Original assignee: Hangzhou Sifang Borui Technology Co Ltd
Current assignee: Hangzhou Sifang Borui Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-01-10

Abstract

The embodiment of the invention discloses an intelligent tail end distribution box which comprises a box, three power indicator lamps, a loop on-off indicator lamp, an automatic/bypass knob, a group Ethernet screen, a box door lock, an incoming/outgoing line sealing plate, a box heat dissipation window and a fan. By adopting the invention, a safe and stable electricity utilization environment can be provided for each electricity utilization loop.

Description

Terminal block terminal of intelligence

Technical Field

The invention relates to the technical field of electric power safety, in particular to an intelligent tail end distribution box.

Background

With the rapid development of economy, various power grid devices in the power field are increasing continuously, and the demand of power loads is also rapidly increasing, wherein a terminal distribution box is used as a terminal device in a power system and is required to have high reliability and high safety.

Disclosure of Invention

The embodiment of the invention provides an intelligent tail end distribution box which can provide a safe and stable electricity utilization environment for each electricity utilization loop.

The embodiment of the invention provides an intelligent tail end distribution box, which is characterized by comprising the following components: the device comprises a case, three power indicator lamps, a loop on-off indicator lamp, an automatic/bypass knob, a group screen, a case door lock, an incoming/outgoing line sealing plate, a case heat dissipation window and a fan;

the three power supply indicator lamps are distributed above the front face of the case;

the loop on-off indicating lamps are uniformly distributed below the three power supply indicating lamps, are adjacent to the lower parts of the three power supply indicating lamps and are positioned above the automatic/bypass knob;

the automatic/bypass knob is positioned below the loop on-off indicator lamp and above the group screen;

the group of the Ethernet screens is positioned in the middle of the front surface of the case;

the cabinet door lock is positioned on one side of the edge of the cabinet door on the front side of the cabinet;

the incoming/outgoing line sealing plates are distributed on the upper end and the lower end of one side face of the case and the upper face of the case;

the heat dissipation window of the case is positioned above the lower end incoming/outgoing wire sealing plate and below the fan;

the fan is positioned below the upper end incoming/outgoing line sealing plate and above the heat dissipation window;

the case comprises a case body, a power supply switch and a power supply switch, wherein a cavity is formed in the case body of the case and is divided into an upper layer, a middle layer and a lower layer; the electric monitoring module and the temperature monitoring module are positioned in the middle-layer cavity; the lower cavity is provided with an outlet air switch;

the power inlet switch is used as a main switch of the main distribution box; the power-on switch is connected with at least one alternating current contactor through a relay;

the output end of the alternating current contactor is connected with one electric monitoring module and one temperature monitoring module;

the automatic/bypass knob is connected with a relay; the relay is connected with the alternating current contactor; the automatic/bypass knob is used for controlling all the loop alternating-current contactors to be powered on at one time; the automatic/bypass knob loads voltage to the intermediate relay through the knob switch, and then loads the working voltage of the alternating current contactor to the control coils of all the alternating current contactors through the intermediate relay, so that the alternating current contactors work.

Furthermore, the three power indicator lamps comprise an A-phase power indicator lamp, a B-phase power indicator lamp and a C-phase power indicator lamp and are used for reflecting the connection states of all power supplies.

Further, the electric leakage sensor is connected to the electric monitoring module;

the control module is positioned on the inner side of the chassis door plate and is respectively and independently connected with each module.

The electrical monitoring module includes:

a current sensor and a voltage sensor;

the current sensor is used for detecting the current of the circuit;

the voltage sensor is used for detecting the voltage of the electricity utilization loop.

Furthermore, the configuration screen is used for displaying the on-off state of each loop and the one-way control state of each loop.

Further, the closing plates of the incoming/outgoing line closing plates can be detached independently.

Furthermore, the chassis wire inlet adopts a three-phase five-wire system or single three-wire system wire inlet mode.

Furthermore, the case is mounted in a wall-mounted mode, and can be subjected to upper wire feeding and lower wire feeding or left wire feeding and right wire feeding.

Furthermore, the four sides of the case are provided with openings, and each opening is provided with a sealing plate.

Furthermore, the intelligent tail end distribution box has a total voltage monitoring function, and each loop has independent current, leakage current, loop switch state detection and temperature acquisition functions;

and when the current, the leakage current and the temperature of each loop are within the range of the safety threshold, the loop is automatically switched on.

Furthermore, the intelligent terminal distribution box collects current waveform fingerprints of the load electric equipment for multiple times in unit time, and judges whether to cut off power supply of the load loop or not by comparing the current waveform fingerprints with the corresponding current waveform fingerprints in normal working.

In the embodiment of the invention, the intelligent terminal distribution box has independent leakage detection and electric shock single-circuit tripping protection functions for each output circuit; the output unit of each path has independent load current detection and overload one-path tripping protection functions; the outputs of each path are not interfered with each other, and the severe working condition of tripping the main brake can not be caused; in addition, zero-fire voltage and the internal temperature of the controller are detected in real time, and whether the protection ground wire is reliably connected or not is checked in real time; the planned control is realized by remotely timing and delaying the opening/closing of the power switch of any loop or the sequential opening/closing of the power switches of a plurality of loops. All collected loop information can be uploaded to the power consumption management system platform through a network, centralized management is carried out by the power consumption management system platform, and meanwhile, the operation of the loop of the intelligent terminal distribution box can be remotely controlled through the central server of the power consumption management system platform of the intelligent terminal distribution box so as to achieve the purpose of controlling the loop load operation. The purposes of personal safety power utilization, fire safety power utilization, energy conservation and consumption reduction are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of an intelligent terminal distribution box according to an embodiment of the present invention;

fig. 2 is a logic diagram of the present application.

The meaning of the reference symbols in the figures:

the device comprises a shell 1, a shell 2, an incoming switch, an alternating current contactor 3, a bypass switch 4, a current sensor 5, a leakage sensor 6, an outgoing air switch 7, a screen 8, a control module 9, a door plate 10 and a temperature sensor 11.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In an embodiment of the present invention, the intelligent end distribution box may be simply referred to as a distribution box.

The intelligent terminal distribution box provided by the embodiment of the invention will be described in detail below with reference to fig. 1.

Referring to fig. 1, a schematic structural diagram of an intelligent terminal distribution box is provided in an embodiment of the present invention. As shown in fig. 1, the intelligent terminal distribution box according to the embodiment of the present invention includes a chassis, three power indicator lamps, a circuit on/off indicator lamp, an automatic/bypass knob, a group screen, a chassis door lock, an incoming/outgoing line closing plate, a chassis heat dissipation window, and a fan.

In the embodiment of the present invention, the chassis 1 may further include a brand logo. Limited, the external dimensions of the cabinet 1 may be 670mm 800mm 230 mm. The inlet wire of the case 1 can adopt a three-phase five-wire system or single three-wire system inlet wire mode, a wall-mounted mounting mode is adopted, the inlet wire can be fed in and led out, the left inlet wire and the right inlet wire are led out, four sides are provided with holes, each hole is provided with a sealing plate, and a user can flexibly select and use the inlet wire according to the field condition.

The three power indicator lamps can comprise A-phase, B-phase and C-phase power indicator lamps and are used for reflecting the connection state of each power supply.

It can be understood that the distribution box can monitor the voltage fluctuation of a mains supply power grid in real time and simultaneously monitor the load current and the leakage current in real time. In a specific implementation, single/three-phase mains voltage as well as single/three-phase current and leakage current may be monitored. It should be noted that, when the monitored mains supply voltage, load current or leakage current exceeds the preset mains supply voltage, load current or leakage current, the electrical monitoring module may perform real-time alarm. The detected states of the voltages or currents can be reflected by the three power indicator lights 2.

And the loop on-off indicator light is used for indicating the on-off state of each loop, and the loop is turned on to show that the loop is opened, or the loop is closed.

And the automatic/bypass knob is used for realizing one-key switching of the automatic mode and the bypass mode of the distribution box.

It should be noted that, the automatic/bypass knob 3 can realize one-key bypass, that is, when the intelligent end distribution box fails and cannot work and the end load device needs to supply power urgently, the key is pressed down, all output loops are opened, and power can be temporarily supplied to the end load device.

As a specific embodiment, the distribution box is provided with a one-key bypass button (or a knob switch), the button (or the knob switch) can realize that all loop ac contactors are powered on at one time, so that when an intelligent controller in the distribution box is damaged, the one-key power can be turned on through the button (or the knob switch) without influencing the normal power supply of a customer, and the principle is that voltage is loaded to an intermediate relay through the button switch, and then the working voltage of the ac contactor is loaded to the control coils of all the ac contactors through the intermediate relay, so that the operation of the ac contactor is realized.

And the Ethernet combining screen is used for displaying the on-off state of each loop and the one-way control state of each loop.

It can be understood that the group of Taiwan screens can be a liquid crystal display screen, and can display the on-off state of each loop and the one-way control state of each loop in real time.

And the case door lock is used for controlling the locking of the case door.

The incoming/outgoing line sealing plate can be detached independently, and a user can freely select an incoming/outgoing line mode.

And the case heat dissipation window is used for heat dissipation of the case.

It can be understood that the wires in the distribution box need to be cooled through the heat dissipation window of the case when the temperature is too high. Optionally, the above-mentioned block terminal also can carry out real-time supervision to power transmission line temperature, and monitoring line temperature range can set up, surpasss the settlement scope and reports an emergency and asks for help or increased vigilance, and is further, reduces the harm that the overheated bringing of quick-witted case. In the embodiment of the invention, a digital temperature sensor for bus transmission is adopted as the power line temperature detection part, the intelligent distribution box produced by the department of China supports 50 power line temperature detection at most, the detection precision can reach +/-0.5 ℃, and the measurement range is from minus 20 ℃ to plus 100 ℃.

And the fan is used for being matched with the chassis heat dissipation window to dissipate heat of the chassis.

It should be noted that the distribution box provided by the embodiment of the invention can be used in combination with a user terminal, namely client software, through the wireless network, so as to realize remote intelligent management. The user can remotely monitor and check the working state and information of the electric equipment through the client software. After a user sets a monitoring threshold value through client software, intelligent management can be realized, various overrun conditions caused by load equipment faults are processed and alarmed in time, and electric equipment and personal safety are protected. It should be noted that the distribution box has a short message/GPRS function. Under the condition of no network coverage or network disconnection, remote monitoring can be realized, and monitoring information is uploaded to a remote monitoring center through GPRS.

It should be noted that above-mentioned block terminal still has commercial power and falls down and smoke and feel alarm monitoring function, can be to 1 way ac contactor of external control or alarm. The smoke alarm signal needs to be connected to the controller, and the alarm information is uploaded to a remote command center through a network or a GPRS (general packet radio service). Different warning messages can be displayed via the group screen 5.

The distribution box provided by the embodiment of the invention has a circuit state acquisition function, has a total voltage monitoring function, and has independent current, leakage current, loop switch state monitoring and temperature acquisition functions for each loop.

Optionally, the distribution box may further perform germination state detection, and when the electric loop device is aged or in poor contact, the control device of the loop may be repeatedly turned on and off to generate electric sparks, which may cause heating of the contact and cause an electric spark. The terminal block terminal of intelligence can gather the current waveform fingerprint of load consumer many times in unit interval, judges whether to cut off the power supply of load circuit through the current waveform fingerprint with the normal during operation that corresponds to eliminate the hidden danger that produces electric fire at the sprouting state.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims

1. An intelligent end distribution box, comprising: the device comprises a case, three power indicator lamps, a loop on-off indicator lamp, an automatic/bypass knob, a group screen, a case door lock, an incoming/outgoing line sealing plate, a case heat dissipation window and a fan;

2. The electrical box of claim 1, wherein:

the three power supply indicator lamps comprise A-phase, B-phase and C-phase power supply indicator lamps and are used for reflecting the connection states of all power supplies.

3. The electrical box of claim 1, wherein:

the electric leakage sensor is connected to the electric monitoring module;

the control module is positioned on the inner side of the chassis door plate and is respectively and independently connected with each module;

the electrical monitoring module includes:

a current sensor and a voltage sensor;

the current sensor is used for detecting the current of the circuit;

4. The electrical box of claim 1, wherein:

the configuration screen is used for displaying the on-off state of each loop and the single-path control state of each loop.

5. The electrical box of claim 1, wherein:

and the closing plates of the incoming/outgoing line closing plates are detached independently.

6. The electrical box of claim 1, wherein:

the case inlet wire adopts a three-phase five-wire system or single three-wire system inlet wire mode.

7. The electrical box of claim 1, wherein:

the case is mounted in a wall-mounted mode and can be subjected to line feeding and line discharging or left line feeding and right line discharging.

8. The electrical box of claim 1, wherein:

the four sides of the case are provided with openings, and each opening is provided with a sealing plate.

9. The electrical box of claim 1, wherein:

the intelligent tail end distribution box has total voltage monitoring, and each loop has independent current, leakage current, loop switch state detection and temperature acquisition functions;

10. The electrical box of claim 1, wherein:

the intelligent terminal distribution box collects current waveform fingerprints of the load electric equipment for multiple times in unit time, and judges whether to cut off power supply of a load loop or not by comparing the current waveform fingerprints with the corresponding current waveform fingerprints in normal working.