CN217642165U

CN217642165U - Intelligence LED display screen block terminal control circuit

Info

Publication number: CN217642165U
Application number: CN202221367755.1U
Authority: CN
Inventors: 宁琼
Original assignee: Shenzhen Tengyuan Electrical Equipment Co ltd
Current assignee: Shenzhen Tengyuan Electrical Equipment Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-21
Anticipated expiration: 2032-06-01

Abstract

The utility model belongs to the technical field of the block terminal control circuit, a intelligence LED display screen block terminal control circuit is disclosed, including circuit breaker QF, power indicator HW, manual automatic change over switch SA, first the control unit, the second the control unit, third the control unit and fourth the control unit, the power is connected to circuit breaker QF's one end, power indicator HW's one end and manual automatic change over switch SA's one end are connected to circuit breaker QF's the other end, output control power is connected to power indicator HW's the other end, first the control unit is connected to manual automatic change over switch SA's the other end, the second the control unit, third the control unit and fourth the control unit's one end, first the control unit, the second the control unit, the power is connected to third the control unit and fourth the control unit's the other end, power indicator HW, first the control unit, the second the control unit, third the control unit and fourth the control unit connect in parallel in proper order, this circuit has realized the automatic control that drops into to the time delay substep of LED display screen block terminal.

Description

Intelligence LED display screen block terminal control circuit

Technical Field

The utility model belongs to the technical field of the block terminal control circuit, especially, relate to an intelligence LED display screen block terminal control circuit.

Background

The LED display screen is more and more widely used at present, and the high-power LED display screen is visible everywhere. Traditional LED display screen block terminal needs operating personnel to the block terminal scene, through instant button or circuit breaker handle, opens/stops the block terminal. This is inconvenient and prone to arcing, posing a threat to the personal safety of the operator. Meanwhile, the distribution box cannot detect the running state and the working environment of the distribution box in the running process, and potential safety hazards such as out-of-point, high temperature, fire and the like are very easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intelligence LED display screen block terminal control circuit aims at realizing the time delay control to the LED display screen block terminal to improve the operation security of LED display screen block terminal.

For realizing the purpose of the above utility model, the technical scheme adopted is as follows:

the utility model provides an intelligence LED display screen block terminal control circuit, includes circuit breaker QF, power indicator HW, manual change over switch SA, first the control unit, second the control unit, third the control unit and fourth the control unit, the power is connected to circuit breaker QF's one end, circuit breaker QF's the other end is connected power indicator HW's one end with manual change over switch SA's one end, power indicator HW's the other end is connected the power, manual change over switch SA's the other end is connected first the control unit second the control unit third the control unit with fourth the control unit's one end, first the control unit second the control unit third the control unit with fourth the control unit's the other end is connected the power, power indicator HW first the control unit second the control unit third the control unit with fourth the control unit connects in parallel in proper order.

The utility model discloses further set up to: hand automatic change over switch SA control the intercommunication in first control unit a return circuit and b return circuit, the a return circuit includes time relay normally closed contact KT1, first stop button SS1, first start button SF1, first contactor contact KM1, first contactor coil KM1 and first pilot lamp HR1, one side of hand automatic change over switch SA establishes ties in proper order time relay normally closed contact KT1 first stop button SS1 first start button SF1 reaches connect behind the first contactor coil KM1 the power, first start button SF1 connects in parallel first contactor contact KM1, first contactor contact KM1 establishes ties connect behind the first pilot lamp HR1 the power, the b return circuit includes signal relay contact, first contactor contact KM1, first time relay coil KT1 and signal relay coil KS, the opposite side of hand automatic change over switch SA connects signal contact KS, first contactor KS 1 with the one end of signal relay coil KS, the other end of signal relay contact KM, first time relay coil KM1 and signal relay coil KS connect behind the first relay coil HR contact KM1 the first relay coil KM and connect first time relay coil KM1 the first relay contact.

The utility model discloses further set up to: hand automatic transfer switch SA control the intercommunication in second control unit c return circuit and d return circuit, the c return circuit includes second stop button SS2, second start button SF2, second contactor contact KM2, second contactor coil KM2 and second pilot lamp HR2, one side of hand automatic transfer switch SA is connected the one end of second stop button SS2, the other end of second stop button SS2 is connected second start button SF2 with the one end of second contactor contact KM2, the other end of second start button SF2 is connected the other end of second contactor contact KM2 is connected the second contactor coil KM2 and the one end of second pilot lamp HR2, second contactor coil KM2 with the other end of second pilot lamp HR2 is connected the power, the d return circuit includes normally open contact KT21, first time delay contact KT1 and second time relay KT2, the opposite side of hand automatic transfer switch SA is connected normally open contact KT21 with the one end of first time delay lamp, the other end of second time relay KT2 is connected the second time relay KT2 after the normally open contact KT21, the other end of second time relay KT2 is connected the normally open contact KT 2.

The utility model discloses further set up to: the manual-automatic transfer switch SA control the intercommunication in third control unit e return circuit and f return circuit, the e return circuit includes third stop button SS3, third start button SF3, third contactor contact KM3, third contactor coil KM3 and third pilot lamp HR3, one side of manual-automatic transfer switch SA is connected the one end of third stop button SS3, the other end of third stop button SS3 is connected third start button SF3 with the one end of third contactor contact KM3, the other end of third start button SF3 is connected the other end of third contactor contact KM3 is connected the third contactor coil KM3 and the one end of third pilot lamp HR3, third contactor coil KM3 with the other end of third pilot lamp HR3 is connected the power, the f return circuit includes normally open contact KT31, second time delay contact KT2 and third time relay coil KT3, the opposite side of manual-automatic transfer switch SA is connected normally open contact KT31 with the one end of second time delay HR3, the other end of third pilot lamp KT3 is connected the third time relay coil KT3 and the other end of second time relay KT3 is connected after the normally open contact KT 3.

The utility model discloses further set up to: the manual-automatic transfer switch SA controls the communication of a g loop and an h loop of the fourth control unit, the g loop comprises a fourth stop button SS4, a fourth start button SF4, a fourth contactor contact KM4, a fourth contactor coil KM4 and a fourth indicator light HR4, one side of the transfer switch SA is connected with one end of the fourth stop button SS4, the other end of the fourth stop button SS4 is connected with one end of the fourth start button SF4 and one end of the fourth contactor contact KM4, the other end of the fourth start button SF4 is connected with the other end of the fourth contactor contact KM4 and one end of the fourth indicator light HR4, the other end of the fourth contactor coil KM4 and the other end of the fourth indicator light HR4 are connected with the power supply, the h loop comprises a third delay normally-open contact KT3, the other side of the manual-automatic transfer switch SA is connected with one end of the third delay normally-open contact KT3, and the other end of the second delay normally-open contact 2 is connected with one end of the fourth indicator light HR 4.

The utility model discloses further set up to: the manual-automatic change-over switch SA is a SAC change-over switch.

The utility model discloses further set up to: the breaker QF is a DZ47 breaker.

The utility model discloses further set up to: the first time-delay normally-open contact KT1 is a time-delay closed instant-disconnection normally-open contact, and the second indicator light HR2 is a red indicator light.

The utility model discloses further set up to: the second time-delay normally-open contact KT2 is a time-delay closed instant-disconnection normally-open contact, and the third indicator light HR3 is a red indicator light.

The utility model discloses further set up to: the third time-delay normally-open contact KT3 is a time-delay closed instant-disconnection normally-open contact, and the fourth indicator light HR4 is a red indicator light.

To sum up, compare with prior art, the utility model discloses an intelligence LED display screen block terminal control circuit has realized the time delay substep auto-throw control to the LED display screen block terminal, has improved the stability of electric wire netting and the operation security of LED display screen block terminal.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic circuit connection diagram of a control circuit of an intelligent LED display panel distribution box according to this embodiment;

fig. 2 is a schematic circuit connection diagram ii of a control circuit of an intelligent LED display panel distribution box according to this embodiment;

fig. 3 is a schematic circuit connection diagram three of the control circuit of the intelligent LED display power distribution box provided in this embodiment.

Reference numerals are as follows: 1. a first control unit; 2. a second control unit; 3. a third control unit; 4. a fourth control unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other.

The utility model provides an intelligence LED display screen block terminal control circuit, as shown in fig. 1, fig. 2 and fig. 3, including circuit breaker QF, power indicator HW, manual change over switch SA, first control unit 1, second control unit 2, third control unit 3 and fourth control unit 4, the one end of circuit breaker QF is connected with the power, the other end of circuit breaker QF connects the one end of power indicator HW and the one end of manual change over switch SA, the other end of power indicator HW is connected with the power, the other end of manual change over switch SA connects the one end of first control unit 1, second control unit 2, third control unit 3 and fourth control unit 4, the other end of first control unit 1, second control unit 2, first control unit 3 and fourth control unit 4 is connected with the power, power indicator HW, first control unit 1, second control unit 2, third control unit 3 and fourth control unit 4 connect in parallel in proper order, in the specific implementation, each closed power indicator HW of first control unit 1, second control unit 2, third control unit 3 and fourth control unit 4 respectively, the power protection circuit breaker adopts the closed state that this embodiment's of this embodiment is LED display screen protection circuit breaker.

Further, the manual-automatic change-over switch SA adopts a SAC change-over switch, and in a specific implementation, when the handle of the manual-automatic change-over switch SA is located at the left position, the contacts (1) and (2) are conducted, that is, the loops a, c, e and g are communicated, and when the handle of the manual-automatic change-over switch SA is located at the right position, the contacts (3) and (4) are conducted, that is, the loops b, d, f and h are communicated.

In the specific implementation process, the a loop comprises a time relay normally closed contact KT1, a first stop button SS1, a first start button SF1, a first contactor contact KM1, a first contactor coil KM1 and a first indicator light HR1, one side (left side) of a manual-automatic transfer switch SA is sequentially connected with the time relay normally closed contact KT1, the first stop button SS1, the first start button SF1 and the first contactor coil KM1 in series and then connected with a power supply, the first start button SF1 is connected with the first contactor contact KM1 in parallel, the first contactor contact KM1 is connected with the first indicator light HR1 in series and then connected with the power supply, the b loop comprises a signal relay contact KS, a first contactor contact KM1, a first time relay coil KT1 and a signal relay coil KS, the other side (right side) of the manual-automatic transfer switch SA is connected with the signal relay contact KS, one ends of the first contactor KM1 and the signal relay coil KS, the other end of the first contactor KM1 and the signal relay coil KS is connected with one end of the first contactor KM1, the second contactor contact KM2, the other end of the manual-automatic transfer switch SA is connected with the second contactor coil KM2, the second stop button contact KM2 and the other end of the second contactor, the second contactor after the second contactor coil is connected with the start button SF2, the second contactor coil KM2, the start button contact KM2, the second contactor coil, the start button contact of the second contactor and the second contactor, the second contactor coil, the second contactor contact of the second contactor contact KM2, the second contactor contact of the second contactor contact KM2, the second contactor contact of the second contactor are connected with the second contactor contact KM2, the second contactor and the second contactor, the second contactor contact of the second contactor in series, the other ends of the second contactor coil KM2 and the second indicator lamp HR2 are connected with a power supply, the d loop comprises a normally open contact KT21, a first time-delay normally open contact KT1 and a second time relay coil KT2, the other side (right side) of the manual-automatic transfer switch SA is connected with one ends of the normally open contact KT21 and the first time-delay normally open contact KT1, the other end of the normally open contact KT21 is connected with one end of the second indicator lamp HR2, the other end of the first time-delay normally open contact KT1 is connected with the second time relay coil KT2 in series and then is connected with the power supply, the e loop comprises a third stop button SS3, a third start button SF3, a third contactor contact KM3, a third contactor coil KM3 and a third indicator lamp HR3, one side (left side) of the manual-automatic transfer switch SA is connected with one end of a third stop button SS3, the other end of the third stop button SS3 is connected with one ends of the third start button SF3 and the third contactor contact KM3, the other end of a third start button SF3 is connected with the other end of a third contactor contact KM3 and one end of a third contactor coil KM3 and one end of a third indicator lamp HR3, the other ends of the third contactor coil KM3 and the third indicator lamp HR3 are connected with a power supply, an f loop comprises a normally open contact KT31, a second time-delay normally open contact KT2 and a third time relay coil KT3, the other side (right side) of a manual-automatic transfer switch SA is connected with one end of the normally open contact KT31 and one end of the second time-delay normally open contact KT2, the other end of the normally open contact KT31 is connected with one end of the third time relay coil KT3 in series and then is connected with the power supply, a g loop comprises a fourth stop button SS4, a fourth start button SF4, a fourth contactor KM4, a fourth contactor coil KM4 and a fourth indicator lamp HR4, one side (left side) of the manual-automatic transfer switch SA is connected with one end of the fourth stop button SS4, the other end of a fourth stop button SS4 is connected with one end of a fourth start button SF4 and one end of a fourth contactor contact KM4, the other end of the fourth start button SF4 is connected with the other end of the fourth contactor contact KM4 and one end of a fourth contactor coil KM4 and one end of a fourth indicator lamp HR4, the other ends of the fourth contactor coil KM4 and the fourth indicator lamp HR4 are connected with a power supply, an h loop comprises a third time-delay normally-open contact KT3, the other side (right side) of a manual-automatic transfer switch SA is connected with one end of the third time-delay normally-open contact KT3, the other end of a second time-delay normally-open contact KT2 is connected with one end of the fourth indicator lamp HR4, the first indicator lamp HR1, the second indicator lamp HR2, the third indicator lamp HR3 and the fourth indicator lamp HR4 are red indicator lamps, and the first time-delay normally-open contact KT1, the second time-delay normally-open contact KT2 and the third time-delay normally-open contact KT3 are time-delay normally-open contacts which are time-delay normally-close.

To sum up, the utility model discloses a this circuit setting has realized the time delay substep automatic throw control to the LED display screen block terminal, has improved the stability of electric wire netting and the operation security of LED display screen block terminal, simultaneously, the utility model discloses possess the function of time delay substep power supply to reduced because the too big impact to the electric wire netting of pick-up current, in addition, the utility model discloses still have according to beneficial effect such as chronogenesis subsection automatic feed and cut-by-force function.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an intelligence LED display screen block terminal control circuit which characterized in that: including circuit breaker QF, power indicator HW, manual automatic change over switch SA, first control unit (1), second control unit (2), third control unit (3) and fourth control unit (4), the power is connected to the one end of circuit breaker QF, the other end of circuit breaker QF is connected the one end of power indicator HW with the one end of manual automatic change over switch SA, the other end of power indicator HW is connected the power, the other end of manual automatic change over switch SA is connected first control unit (1), second control unit (2), third control unit (3) with the one end of fourth control unit (4), first control unit (1), second control unit (2), third control unit (3) with the other end of fourth control unit (4) is connected the power, power indicator HW first control unit (1), second control unit (2), third control unit (3) and fourth control unit (4) connect in parallel in proper order.

2. The control circuit of claim 1, wherein the manual-automatic transfer switch SA controls the first control unit (1) to communicate with a loop a and a loop b, the loop a comprises a time relay normally closed contact KT1, a first stop button SS1, a first start button SF1, a first contactor contact KM1, a first contactor coil KM1 and a first indicator light KM1, one side of the manual-automatic transfer switch SA is connected in series in sequence with the time relay normally closed contact KT1, the first stop button SS1, the first start button SF1 and the first contactor coil KM1 to be connected with the power supply, the first start button SF1 is connected in parallel with the first contactor contact KM1, the first contactor contact KM1 is connected in series with the first indicator light HR1 to be connected with the power supply, the loop b comprises a signal relay contact KS, a first contactor KT1, a first relay coil KS 1 and a signal relay coil KS, the other side of the manual-automatic transfer switch SA is connected with the signal relay KM, the first indicator light HR1 to be connected with the first time relay coil KM, the first start button KM1, the first time relay contact KM1, the first relay and the first time relay coil.

3. The control circuit of claim 1, wherein the manual-automatic transfer switch SA controls the communication between the second control unit (2) c-loop and d-loop, the c-loop includes a second stop button SS2, a second start button SF2, a second contactor contact KM2, a second contactor coil KM2 and a second indicator light HR2, one side of the transfer switch SA is connected to one end of the second stop button SS2, the other end of the second stop button SS2 is connected to one end of the second start button SF2 and one end of the second contactor contact KM2, the other end of the second start button SF2 is connected to the other end of the second contactor contact KM2 and one end of the second contactor coil KM2 and one end of the second indicator light HR2, the other end of the second contactor coil KM2 and the other end of the second indicator light HR2 are connected to the power supply, the d-loop includes a normally open contact 21, a first normally open contact SA 1 and a second time relay coil HR2, the other end of the manual-automatic transfer switch SA is connected to the other end of the second contactor contact KT2, and the other end of the second contactor contact KT2 are connected to the normally open contact of the normally open contact.

4. The control circuit of claim 1, wherein the manual-automatic transfer switch SA controls communication between an e-loop and an f-loop of the third control unit (3), the e-loop includes a third stop button SS3, a third start button SS3, a third contactor contact KM3, a third contactor coil KM3, and a third indicator HR3, one side of the manual-automatic transfer switch SA is connected to one end of the third stop button SS3, the other end of the third stop button SS3 is connected to one ends of the third start button SF3 and the third contactor contact KM3, the other end of the third start button SF3 is connected to the other end of the third contactor contact KM3 and one end of the third contactor coil KM3, the other end of the third start button SF3 is connected to the other end of the third contactor contact KM3 and one end of the third indicator HR3, the third contactor coil KM3 and the other end of the third indicator KT3 are connected to the power supply, the f-loop includes a normally open contact 31, a second time-delay contact KM2 and a third time-delay coil KT3, the other end of the manual-automatic transfer switch KT and the other end of the manual-automatic transfer switch KT are connected to the normally open relay KT3 and the other end of the second indicator HR2, and the normally open relay are connected to the normally open time-delay relay contact KT3, and the normally-delay relay are connected to the other end of the second contactor contact KT 3.

5. A smart LED display panel distribution box control circuit as claimed in claim 4, wherein said manual-automatic transfer switch SA controls the communication of said fourth control unit (4) g-loop and h-loop, said g-loop comprises a fourth stop button SS4, a fourth start button SF4, a fourth contactor contact KM4, a fourth contactor coil KM4 and a fourth indicator light HR4, one side of said manual-automatic transfer switch SA is connected to one end of said fourth stop button SS4, the other end of said fourth stop button SS4 is connected to one end of said fourth start button SF4 and one end of said fourth contactor contact KM4, the other end of said fourth start button SF4 is connected to the other end of said fourth contactor contact KM4 and one end of said fourth indicator light HR4, said fourth contactor coil KM4 and the other end of said fourth indicator light KT 4 are connected to said power source, said h-loop comprises a third delay normally open contact SA 3, the other end of said manual-automatic transfer switch HR is connected to one end of said third contactor HR3, the other end of said fourth indicator light KT 4 is connected to the other end of said fourth relay contact KT 2.

6. The control circuit of claim 1, wherein the manual-automatic transfer switch SA is a SAC transfer switch.

7. The intelligent LED display screen power distribution box control circuit of claim 1, wherein the circuit breaker QF is a DZ47 circuit breaker.

8. The control circuit of the distribution box of the intelligent LED display screen as set forth in claim 3, wherein the first time-delay normally-open contact KT1 is a time-delay closing instant-opening normally-open contact, and the second indicator light HR2 is a red indicator light.

9. The control circuit of the distribution box of the intelligent LED display screen as claimed in claim 4, wherein the second time-delay normally-open contact KT2 is a time-delay closing instant-opening normally-open contact, and the third indicator light HR3 is a red indicator light.

10. The control circuit of the distribution box of the intelligent LED display screen of claim 5, wherein the third time-delay normally-open contact KT3 is a time-delay closing instant-opening normally-open contact, and the fourth indicator light HR4 is a red indicator light.