CN216564131U - Office distribution box system - Google Patents

Office distribution box system Download PDF

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Publication number
CN216564131U
CN216564131U CN202122807217.1U CN202122807217U CN216564131U CN 216564131 U CN216564131 U CN 216564131U CN 202122807217 U CN202122807217 U CN 202122807217U CN 216564131 U CN216564131 U CN 216564131U
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loop
control loop
series
alternating current
phase alternating
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CN202122807217.1U
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郑吓忠
陈振业
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Xiamen Biad Construction Design Co ltd
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Xiamen Biad Construction Design Co ltd
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Abstract

The utility model provides an office distribution box system which comprises a power supply incoming line switch, a secondary control loop and a plurality of primary control loops. The secondary control loop comprises a coil of the three-phase alternating current contactor, an intermediate relay and a KT time relay, and the KT time relay is connected with and controls the coil of the three-phase alternating current contactor. The primary control loop comprises an illumination loop, a computer socket loop, an air conditioner socket loop and a water dispenser socket loop. And the primary control loop is connected with a power supply through a main contact of the three-phase alternating current contactor and a power supply inlet wire switch. And the secondary control loop is connected with a power supply through a power supply inlet wire switch. The state of the main contact of the three-phase alternating current contactor is controlled in a timing mode through the KT time relay in the secondary control loop, so that the primary control loop is controlled to be switched on/off in a timing mode through the secondary control loop, the electricity consumption cost of an office can be reduced, and an electrical fire caused by insulation aging and damage of electric appliances or lines can be greatly avoided.

Description

Office distribution box system
Technical Field
The utility model relates to an office distribution box system.
Background
The office space is visible and changeable everywhere, but the difference of the office electricity energy-saving control system is huge, if the unobtrusive electric equipment such as computer screens, split air conditioners and the like is in a standby electrified state, the equipment is large in quantity and cannot generate large electric energy loss to the office electricity for long-time standby, and meanwhile, an electrical fire can be caused due to the fact that the electric equipment or lines are aged and damaged due to insulation.
How to realize the energy-conserving of official working power consumption, solve traditional official working block terminal system not enough, provide the official working block terminal system of automatic switching on, outage, become new research topic.
SUMMERY OF THE UTILITY MODEL
The utility model provides an office power distribution system capable of solving the problem of electricity consumption of office equipment in a long-time standby mode to solve the technical problem.
An office distribution box system comprises a power supply incoming line switch, a secondary control loop and a plurality of primary control loops.
The secondary control loop comprises a coil of a three-phase alternating current contactor, an intermediate relay and a KT time relay, and the KT time relay is connected with and controls the coil of the three-phase alternating current contactor.
According to the office power demand, the primary control loop comprises an illumination loop, a computer socket loop, an air conditioner socket loop and a water dispenser socket loop.
The lighting circuit comprises a miniature circuit breaker and a lamp which are connected in series. The computer socket loop comprises a residual current operated protector and a computer socket which are connected in series. The air conditioner socket loop comprises a residual current operated protector and an air conditioner socket which are connected in series. The water dispenser socket loop comprises a residual current operated protector and a water dispenser socket which are connected in series.
And the primary control loop is connected with a power supply through a main contact of the three-phase alternating current contactor and a power supply inlet wire switch. And the secondary control loop is connected with a power supply through the power supply inlet wire switch.
The state of the main contact of the three-phase alternating current contactor is controlled in a timing mode through the KT time relay in the secondary control loop, so that the timing on/off of the primary control loop is controlled through the secondary control loop, some equipment which does not need to be continuously powered on in an office can be automatically powered off at night, the power consumption cost of the office is reduced, and an electrical fire caused by insulation aging and damage of electric appliances or lines can be greatly avoided.
Preferably, the secondary control loop further comprises an FU protection fuse, a KA1 intermediate relay, a KA2 intermediate relay, an SS1 automatic reset button switch for a key-off function, and an SS2 automatic reset button switch for a key-on restoration function.
And the normally closed auxiliary contacts of the KA1 intermediate relay and the KA2 intermediate relay and the normally closed auxiliary contact of the three-phase alternating current contactor are connected in series to form an on-off control circuit.
And a normally open auxiliary contact of the KA2 intermediate relay is connected in parallel with a normally open auxiliary contact of the KA1 intermediate relay and then is connected in series with the KA2 intermediate relay and the SS2 automatic reset button switch to form a one-key recovery power-on circuit.
And a normally open auxiliary contact of the three-phase alternating current contactor is connected with a normally open auxiliary contact of the KA1 intermediate relay in parallel and then is connected with a coil of the three-phase alternating current contactor and the SS1 automatic reset button switch in series to form a one-key circuit breaker.
The on-off control circuit, the one-key recovery on-off circuit and the one-key off-off circuit are connected in parallel and then are connected in series with a normally open auxiliary contact of the KT time relay to form a timing on-off circuit.
The timing on-off circuit is connected with the KT time relay in parallel and then connected with the FU protection fuse in series and connected with a power supply.
Preferably, the secondary control loop further comprises an HR power signal lamp, and the HR power signal lamp is connected with the KT time relay in parallel.
Preferably, the secondary control circuit further comprises an S rotary button switch for releasing the automatic power on and off function. And the S rotary button switch is connected with the FU protection fuse and a coil of the three-phase alternating current contactor in series and is connected with a power supply.
Preferably, the secondary control circuit further comprises an integrated button box capable of accommodating each control button.
Preferably, the lighting circuit has three paths. The miniature circuit breaker is C16A/1P.
Preferably, the residual current operated protector is a residual current operated protector C16A/2P30 mA.
Preferably, the primary control loop further comprises a socket backup loop, and the socket backup loop comprises a residual current operated protector and a backup socket which are connected in series.
As is apparent from the above description of the present invention, the present invention has the following advantageous effects:
1. the state of KT time relay timing control three-phase AC contactor's main contact through among the secondary control return circuit to the realization is passed through the timing of secondary control return circuit control primary control return circuit is switched on/off, can let some need not to last the equipment of circular telegram in the office at night auto-power-off, reduces the power consumption cost of office, can also avoid by a wide margin because of the electrical apparatus or the electric fire that the circuit insulation ageing damage takes place.
2. Through setting up parallelly connected on-off control circuit, a key resume power-on circuit and a key circuit-breaking circuit, make secondary control circuit's control mode more nimble, more humanized.
3. Through setting up S rotary button switch, can remove automatic expert, outage function at any time, make secondary control circuit' S control mode more humanized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Wherein:
FIG. 1 is a schematic diagram of the wiring connection of the present invention;
FIG. 2 is a schematic diagram of a secondary control loop;
reference numerals in fig. 1 and 2: the device comprises a power supply incoming line switch 1, a three-phase alternating current contactor 2, a coil 21 of the three-phase alternating current contactor 2, a normally closed auxiliary contact 22 of the three-phase alternating current contactor 2, a normally open auxiliary contact 23 of the three-phase alternating current contactor 2, a miniature circuit breaker 3, a residual current action protector 4, an FU protection fuse 5, an HR power signal lamp 6, a KT time relay 7, a normally open auxiliary contact 71 of the KT time relay 7, a KA1 intermediate relay 8, a normally open auxiliary contact 81 of a KA1 intermediate relay 8, a normally open auxiliary contact 82 of the KA1 intermediate relay 8, a KA2 intermediate relay 9, a normally open auxiliary contact 91 of the KA2 intermediate relay 9, a normally closed auxiliary contact 92 of the KA2 intermediate relay 9, a SS1 automatic reset button switch 10, a SS2 automatic reset button switch 11, an S rotary button switch 12 and an integrated button box 13.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2, an office distribution box system includes a power inlet switch 1, a secondary control loop and a plurality of primary control loops.
Secondary control circuit includes three-phase ac contactor 2's coil 21, KA1 auxiliary relay 8, KA2 auxiliary relay 9 and KT time relay 7, KT time relay 7 is connected and is controlled three-phase ac contactor 2's coil 21, in this embodiment, secondary control circuit still includes FU protection fuse 5, the button switch 10 of the SS1 automatic re-setting that plays a key outage function, the SS2 automatic re-setting's that plays a key recovery circular telegram function button switch 11.
And the normally closed auxiliary contacts 92 of the KA1 intermediate relay 8 and the KA2 intermediate relay 9 and the normally closed auxiliary contact 22 of the three-phase alternating current contactor 2 are connected in series to form an on-off control circuit.
And the normally open auxiliary contact 91 of the KA2 intermediate relay 9 is connected with the normally open auxiliary contact 81 of the KA1 intermediate relay 8 in parallel and then connected with the KA2 intermediate relay 9 and the SS2 automatic reset button switch 11 in series to form a one-key recovery power-on circuit.
The normally open auxiliary contact 23 of the three-phase AC contactor 2 is connected in parallel with the normally open auxiliary contact 82 of the KA1 intermediate relay 8 and then is connected in series with the coil 21 of the three-phase AC contactor 2 and the button switch 10 automatically reset by SS1 to form a one-key circuit breaking circuit.
The on-off control circuit, the one-key recovery on-off circuit and the one-key off-off circuit are connected in parallel and then are connected in series with the normally open auxiliary contact 71 of the KT time relay 7 to form a timing on-off circuit.
The timing on-off circuit is connected with the KT time relay 7 in parallel and then connected with the FU protection fuse 5 in series and connected with a power supply.
In other embodiments, the secondary control loop further includes the HR power signal lamp 6 and the S rotary push button switch 12. Wherein, HR power signal lamp 6 is parallelly connected with KT time relay 7. The S rotary button switch 12 plays a role of releasing automatic power on and off, and is connected in series with the FU protection fuse 5 and the coil 21 of the three-phase AC contactor 2 and is connected with a power supply.
The secondary control loop has the following operating modes:
1. when the KT time relay 7 is electrified regularly, a normally open auxiliary contact 71 of the KT time relay 7 is closed, a coil of the KA1 intermediate relay 8 is electrified, a normally open auxiliary contact 81 of the KA1 intermediate relay 8 and a normally open auxiliary contact 82 of the KA1 intermediate relay 8 are closed, and a coil of the KA2 intermediate relay 9 and a coil 21 of the three-phase alternating current contactor 2 are electrified; the normally open auxiliary contact 91 of the KA2 intermediate relay 9 is closed, the normally closed auxiliary contact 92 of the KA2 intermediate relay 9 is opened, the coil of the KA2 intermediate relay 9 is self-locked to be powered, the coil of the KA1 intermediate relay 8 is not powered, the normally open auxiliary contact 23 of the three-phase alternating current contactor 2 is closed, the normally closed auxiliary contact 22 of the three-phase alternating current contactor 2 is opened, the coil 21 of the three-phase alternating current contactor 2 is self-locked to be powered, the main contact of the three-phase alternating current contactor 2 is closed, and the primary control loop is powered on.
2. When the KT time relay 7 is powered off at fixed time, the normally open auxiliary contact 71 of the KT time relay 7 is disconnected; when the coil of the KA2 intermediate relay 9 is powered off, the coil 21 of the three-phase AC contactor 2 is powered off, the main contact of the three-phase AC contactor 2 is disconnected, and the primary control loop is powered off.
3. When the button switch 10 which is automatically reset by the SS1 is turned off in the timed electrifying process of the KT time relay 7, the coil 21 of the three-phase alternating current contactor 2 loses power, and the main contact of the three-phase alternating current contactor 2 is turned off, namely, one-key power failure.
4. In the timed electrifying process of the KT time relay 7, when the button switch 11 automatically reset by the SS2 is switched off, the coil of the KA2 intermediate relay 9 is electrified, and the coil of the KA1 intermediate relay 8 is electrified; the normally open auxiliary contact 82 of the KA1 intermediate relay 8 is closed, the coil 21 of the three-phase AC contactor 2 is electrified, the main contact of the three-phase AC contactor 2 is closed, and one key is electrified again.
5. And the S rotary button switch 12 is locked and closed in a rotary mode, a coil 21 of the three-phase alternating current contactor 2 is electrified, a main contact of the three-phase alternating current contactor 2 is closed, and the automatic timing electrification of a primary control loop is released. The S rotary button switch 12 is turned off by locking rotation, and the time relay is restored.
In this embodiment, in order to prevent confusion in button installation, an integrated button box 13 is provided to accommodate each control button.
According to the office power demand, the primary control loop comprises a lighting loop, a computer socket loop, an air conditioner socket loop, a water dispenser socket loop and a socket standby loop.
The lighting circuit comprises a miniature circuit breaker 3 and a lamp connected in series. The computer socket loop comprises a residual current operated protector and a computer socket which are connected in series. The air conditioner socket loop comprises a residual current operated protector 4 and an air conditioner socket which are connected in series. The water dispenser socket loop comprises a residual current operated protector 4 and a water dispenser socket which are connected in series. The socket standby loop comprises a residual current operated protector 4 and a standby socket which are connected in series.
In this embodiment, the miniature circuit breaker 3 is a miniature circuit breaker C16A/1P. The residual current operated protector 4 is selected from a residual current operated protector C16A/2P30 mA.
And the primary control loop is connected with a power supply through a main contact of the three-phase alternating current contactor and a power supply inlet wire switch 1. And the secondary control loop is connected with a power supply through the power supply inlet wire switch 1.
Corresponding to the working mode of the secondary control loop, the working state of the primary control loop is as follows:
before work, the KT time relay 7 is automatically electrified at regular time, the main contact of the three-phase alternating current contactor 2 is closed, and the lighting loop, the computer socket loop, the air conditioner socket loop, the water dispenser socket loop and the socket standby loop are all electrically communicated and electrified, so that electric equipment needing to be used can be normally started.
After work, the KT time relay 7 is automatically powered off at regular time, the main contact of the three-phase alternating current contactor 2 is disconnected, and the lighting loop, the computer socket loop, the air conditioner socket loop, the water dispenser socket loop and the socket standby loop are powered off.
During the timing power-on of the office, the manual button can be turned off in advance to cut off the power, the SS1 automatic reset button switch 10 on the integrated button box on the inner side of the entrance door is pressed, the main contact of the three-phase alternating current contactor 2 is turned off, and the power of a control loop is cut off once.
If the power is needed to be restored after the power is cut off, the manual button is turned on in advance, the SS2 on the integrated button box on the inner side of the entrance door is pressed to automatically reset the button switch 10, the main contact of the three-phase alternating current contactor 2 is turned on, and the primary control circuit is electrically connected and powered on.
Under the special working state of office, can cancel the regular power-on and power-off procedure, rotate the S rotary button switch 12 on the inboard integrated button box of entry door and realize the locking circular telegram, the main contact of three-phase ac contactor 2 is closed, and at this moment, the official working block terminal is in the on-state all the time, does not receive the control of regularly and manual shutoff outage button switch.
According to the utility model, the state of the main contact of the three-phase alternating current contactor 2 is controlled in the secondary control loop, so that the primary control loop is controlled by the secondary control loop to be flexibly or regularly powered on/off, some equipment which does not need to be powered on continuously in an office can be automatically powered off at night, the power consumption cost of the office is reduced, and an electrical fire caused by insulation aging and damage of electric appliances or lines can be greatly avoided.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims (8)

1. An office distribution box system is characterized by comprising a power supply incoming switch, a secondary control loop and a plurality of primary control loops;
the secondary control loop comprises a coil of a three-phase alternating current contactor, an intermediate relay and a KT time relay, and the KT time relay is connected with and controls the coil of the three-phase alternating current contactor;
the primary control loop comprises an illumination loop, a computer socket loop, an air conditioner socket loop and a water dispenser socket loop; the lighting circuit comprises a miniature circuit breaker and a lamp which are connected in series; the computer socket loop comprises a residual current operated protector and a computer socket which are connected in series; the air conditioner socket loop comprises a residual current operated protector and an air conditioner socket which are connected in series; the water dispenser socket loop comprises a residual current operated protector and a water dispenser socket which are connected in series;
the primary control loop is connected with a power supply through a main contact of the three-phase alternating current contactor and a power supply inlet wire switch; and the secondary control loop is connected with a power supply through the power supply incoming line switch.
2. The office power distribution cabinet system according to claim 1, wherein said secondary control loop comprises FU protection fuses, KA1 relay relays, KA2 relay relays, SS1 self-resetting push-button switches, SS2 self-resetting push-button switches;
the normally closed auxiliary contact of the KA1 intermediate relay, the normally closed auxiliary contact of the KA2 intermediate relay and the normally closed auxiliary contact of the three-phase alternating current contactor are connected in series to form an on-off control circuit;
the normally-open auxiliary contact of the KA2 intermediate relay is connected with the normally-open auxiliary contact of the KA1 intermediate relay in parallel and then connected with the KA2 intermediate relay and the SS2 automatic reset button switch in series to form a one-key recovery power-on circuit;
a normally open auxiliary contact of the three-phase alternating current contactor is connected with a normally open auxiliary contact of the KA1 intermediate relay in parallel and then is connected with a coil of the three-phase alternating current contactor and an SS1 automatic reset button switch in series to form a one-key circuit breaking circuit;
the on-off control circuit, the one-key recovery on-off circuit and the one-key off-off circuit are connected in parallel and then are connected in series with a normally open auxiliary contact of the KT time relay to form a timing on-off circuit;
the timing on-off circuit is connected with the KT time relay in parallel and then connected with the FU protection fuse in series and connected with a power supply.
3. An office power distribution box system as claimed in claim 2, wherein said secondary control loop further comprises an HR power signal lamp connected in parallel with a KT time relay.
4. The office panelboard system of claim 2 wherein said secondary control loop further includes an S-turn push button switch; and the S rotary button switch is connected with the FU protection fuse and a coil of the three-phase alternating current contactor in series and is connected with a power supply.
5. An office panelboard system according to claim 2 or claim 4 wherein said secondary control loop further includes an integrated button box.
6. An office panelboard system according to claim 1 wherein said lighting circuit is three-way; the miniature circuit breaker is C16A/1P.
7. The office power distribution box system of claim 1, wherein the residual current operated protector is selected from the group consisting of a residual current operated protector C16A/2P30 mA.
8. An office power distribution box system according to claim 1, wherein said primary control loop further comprises a receptacle backup loop, said receptacle backup loop comprising a residual current operated protector and a backup receptacle in series.
CN202122807217.1U 2021-11-16 2021-11-16 Office distribution box system Active CN216564131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122807217.1U CN216564131U (en) 2021-11-16 2021-11-16 Office distribution box system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122807217.1U CN216564131U (en) 2021-11-16 2021-11-16 Office distribution box system

Publications (1)

Publication Number Publication Date
CN216564131U true CN216564131U (en) 2022-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122807217.1U Active CN216564131U (en) 2021-11-16 2021-11-16 Office distribution box system

Country Status (1)

Country Link
CN (1) CN216564131U (en)

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