CN215523684U - Automatic start-stop control device for large-scale commercial and super air conditioner - Google Patents
Automatic start-stop control device for large-scale commercial and super air conditioner Download PDFInfo
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- CN215523684U CN215523684U CN202120517982.7U CN202120517982U CN215523684U CN 215523684 U CN215523684 U CN 215523684U CN 202120517982 U CN202120517982 U CN 202120517982U CN 215523684 U CN215523684 U CN 215523684U
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Abstract
The utility model discloses an automatic start-stop control device of a large-scale commercial super air conditioner, wherein a time control switch (8) is provided with a normally open node and a normally closed node, a main power supply is electrically connected with a main machine of the air conditioner after being connected in series through a power switch (7), a contactor (6) and a thermal relay (5), one end of a manual contact of a manual automatic transfer switch (1) is electrically connected with one end of a control power supply, the other end of the manual contact of the manual automatic transfer switch (1) is connected in series with a stop button (3), one end of a start button (2) is connected in series with the stop button (3) after being connected in parallel with the normally open contact of the contactor (6), and the other end of the start button (2) is connected in series with a coil of the contactor (6) after being connected in parallel with the normally open contact of the contactor (6). The utility model has the characteristics of simple control principle, various control modes, easy modification and the like, and the operation control does not need the manual start and stop of the air conditioner by the air conditioner operation and maintenance personnel, and only needs to set the automatic start and stop time, thereby greatly saving the manpower and having the beneficial effect of energy saving.
Description
Technical Field
The utility model relates to the field of power equipment control, in particular to an automatic start-stop control device for a large-scale commercial and super air conditioner.
Background
Along with the development of market economy, large-scale business super-equal distribution is in each big city, large-scale business super-equal heating and refrigeration generally adopt air conditioner control, at present, the air conditioner start-stop control has two control modes of manual control and automatic control, the manual control is controlled by manual start-stop control, the automatic control is controlled by a fire-fighting linkage control system, large-scale business super-equal air conditioner control boxes are more and are distributed around a market, the air conditioner start-stop needs air conditioner operators to enter each air conditioner room to manually start and stop, the time spent on starting and stopping the air conditioner is long, the whole control time not only needs a large amount of manpower, simultaneously, because the air conditioner start-stop is asynchronous among each air conditioner room, the heating or refrigeration of the market is asynchronous with a boiler or a refrigerator, and the like, and a large amount of energy is wasted.
Disclosure of Invention
The utility model aims to provide an automatic start-stop control device for a large-scale commercial super air conditioner, which can not only set the automatic start-stop time of the air conditioner at different time intervals, but also does not influence the fire-fighting interlocking control.
The technical scheme of the utility model is as follows: the utility model provides an automatic controlling means that stops that opens of large-scale merchant surpasses air conditioner which characterized in that: comprises a manual automatic transfer switch (1), a start button (2), a stop button (3), an operation indicator lamp (4), a contactor (6), a power switch (7), a time control switch (8), a thermal relay (5) and a box body (9), wherein the manual automatic transfer switch (1), the start button (2), the stop button (3) and the operation indicator lamp (4) are arranged on a panel of the box body (9), the contactor (6), the power switch (7), the time control switch (8) and the thermal relay (5) are arranged in the box body, the time control switch (8) is provided with a normally open node and a normally closed node, a main power supply is electrically connected with a main machine of an air conditioner after being connected in series through the power switch (7), the contactor (6) and the thermal relay (5), one end of a manual contact of the manual automatic transfer switch (1) is electrically connected with one end of a control power supply, the other end of the manual contact of the manual automatic transfer switch (1) is connected in series with the stop button (3), one end is established ties with stop button (3) after start button (2) and the normally open contact of contactor (6) are parallelly connected, the other end is established ties with contactor (6) coil after start button (2) and the normally open contact of contactor (6) are parallelly connected, the normally closed contact of contactor (6) coil other end and thermorelay (5) is established ties, the normally closed contact other end of thermorelay (5) connects to control power supply (L2), the automatic contact one end of manual automatic transfer switch (1) links to each other with the one end of control power supply (L2), the automatic contact other end of manual automatic transfer switch (1) is parallelly connected with manual start-up circuit again after establishing ties with the normally open contact of time control switch (8), circuit and contactor (6) coil connection after the parallelly connected, running indicator lamp (4) are parallelly connected with contactor (6) coil.
The time control switch (8) is powered by AC220V and adopts a model NKG 3-M.
The working principle of the utility model is as follows:
as shown in figure 2, in operation, the control loop power supply is switched on, the manual automatic change-over switch (1) rotates to an automatic position, after the automatic action and the automatic stop time of the time control switch are set, when the set start time is reached, the normally open node of the time control switch (8) is closed, the coil of the contactor (6) is electrified to switch on the main power supply loop of the air conditioner motor, the air conditioner operates, the operation indicator lamp (4) is electrified and lightened simultaneously, when the time reaches the automatic stop time set by the time control switch, the normally open node of the time control switch (8) is disconnected, the control loop is disconnected, the coil of the contactor loses power, the main power supply loop of the air conditioner motor is disconnected, the air conditioner stops, and the operation indicator lamp (4) loses power and is extinguished.
When special conditions need manual starting, the manual automatic change-over switch (1) rotates to a manual position, when an air conditioner is started, the starting button (2) is pressed to electrify the coil of the contactor (6), the air conditioner is started, meanwhile, the normally open contact of the contactor (6) is closed, the stroke self-maintaining loop is formed, the contactor is electrified all the time, the operation indicating lamp (4) is electrified and lightened simultaneously, when the air conditioner is stopped, the stopping button (3) is pressed, the normally closed contact of the stopping button (3) is disconnected, the manual control loop of the air conditioner is disconnected, the coil of the contactor is powered off, the main power supply loop of the air conditioner motor is disconnected, the air conditioner stops, and the operation indicating lamp (4) is powered off and is extinguished simultaneously.
When the thermal relay (5) acts due to a fault, the normally closed contact of the thermal relay (5) is disconnected, the manual control loop of the air conditioner is disconnected, the coil of the contactor loses power, the main power loop of the motor of the air conditioner is disconnected, the air conditioner stops, and the running indicator lamp (4) loses power and is extinguished.
The utility model realizes the function of automatically starting and stopping the air conditioner according to the set time.
The utility model has the technical effects that:
the utility model has the function of automatically starting and stopping the air conditioner according to the set time, and does not need operators to manually start and stop the air conditioner. The characteristics are as follows:
1. the control loop is simple and reliable, the automatic control of the time control switch can be connected with the fire-fighting interlocking control in parallel, and the control of the time control switch does not influence the fire-fighting interlocking control.
2. The manpower is saved, and the air conditioner is not required to be manually started and stopped by operators.
3. The existing air conditioner control loop is simple in modification and wiring, does not change the original control mode, and is easy to implement.
4. The automatic start-stop time of the air conditioner is adjusted according to the running time of the heating and refrigerating equipment, and energy is saved.
5. The equipment can be manually controlled during maintenance, the control mode is flexible, and the device is suitable for different operation conditions.
Drawings
FIG. 1 is a schematic view of the constitution of the present invention
FIG. 2 is a control schematic of the present invention
Detailed Description
An automatic start-stop control device of a large-scale commercial super air conditioner is shown in figure 1 and comprises a manual automatic change-over switch 1, a start button 2, a stop button 3, an operation indicator lamp 4, a contactor 6, a power switch 7, a time control switch 8, a thermal relay 5 and a box body 9, wherein the manual automatic change-over switch 1, the start button 2, the stop button 3 and the operation indicator lamp 4 are installed on a panel of the box body 9, the contactor 6, the power switch 7, the time control switch 8 and the thermal relay 5 are installed inside the box body, the time control switch 8 is provided with two nodes of normally open and normally closed, a main power supply is electrically connected with a main machine of the air conditioner after being connected in series through the power switch 7, the contactor 6 and the thermal relay 5, one end of a manual contact of the manual automatic change-over switch 1 is electrically connected with one end of a control power supply, the other end of the manual contact of the manual automatic change-over switch 1 is connected in series with the stop button 3, one end of the start button 2 and the normally open contact of the contactor 6 are connected in series with the stop button 3 after being connected in parallel, the other end is established ties with contactor 6 coil after start button 2 and contactor 6 normally open contact are parallelly connected, the contactor 6 coil other end is established ties with thermal relay 5's normally closed contact, the normally closed contact other end of thermal relay 5 connects to control power supply L2, manual automatic transfer switch 1's automatic contact one end links to each other with control power supply L2's one end, manual automatic transfer switch 1's the automatic contact other end is established ties with time control switch 8's normally open contact again after and is parallelly connected with manual start-up return circuit, circuit and contactor 6 coil connection after parallelly connected, operation pilot lamp 4 is parallelly connected with contactor 6 coil.
An automatic start-stop control device for a large-scale commercial super air conditioner is characterized in that a time control switch 8 is powered by AC220V and adopts a NKG3-M model.
The specific working process is as follows: as shown in fig. 2, in operation, after the control loop power supply is switched on and the automatic action and automatic stop time of the time control switch 8 are set, when the set start time is reached, the normally open node of the time control switch 8 is closed, the contactor coil is electrified to switch on the main power supply loop of the air conditioner motor, the air conditioner operates, when the time reaches the automatic stop time set by the time control switch, the normally open contact of the time control switch 8 is disconnected, the control loop is disconnected, the contactor coil is power-off and reset, the main power supply loop of the air conditioner motor is disconnected, and the air conditioner stops.
When special conditions need manual starting, the manual automatic change-over switch 1 rotates to a manual position, when an air conditioner is started, the starting button 2 is pressed to electrify the coil of the contactor 6, the air conditioner is started, meanwhile, the normally open contact of the contactor 6 is closed, the stroke self-holding loop enables the contactor to be electrified all the time, the operation indicator lamp 4 is electrified and lightened at the same time, when the air conditioner is stopped, the stopping button 3 is pressed, the normally closed contact of the stopping button 3 is disconnected, the manual control loop of the air conditioner is disconnected, the coil of the contactor loses power, the main power supply loop of the air conditioner motor is disconnected, the air conditioner is stopped, and the operation indicator lamp 4 loses power and is extinguished.
The working principle and the embodiment of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the above embodiment, and the present invention is based on the protection scope of the present invention in terms of simple modification and deformation of the circuit.
Claims (2)
1. The utility model provides an automatic controlling means that stops that opens of large-scale merchant surpasses air conditioner which characterized in that: comprises a manual automatic transfer switch (1), a start button (2), a stop button (3), an operation indicator lamp (4), a contactor (6), a power switch (7), a time control switch (8), a thermal relay (5) and a box body (9), wherein the manual automatic transfer switch (1), the start button (2), the stop button (3) and the operation indicator lamp (4) are arranged on a panel of the box body (9), the contactor (6), the power switch (7), the time control switch (8) and the thermal relay (5) are arranged in the box body, the time control switch (8) is provided with a normally open node and a normally closed node, a main power supply is electrically connected with a main machine of an air conditioner after being connected in series through the power switch (7), the contactor (6) and the thermal relay (5), one end of a manual contact of the manual automatic transfer switch (1) is electrically connected with one end of a control power supply, the other end of the manual contact of the manual automatic transfer switch (1) is connected in series with the stop button (3), one end is established ties with stop button (3) after start button (2) and the normally open contact of contactor (6) are parallelly connected, the other end is established ties with contactor (6) coil after start button (2) and the normally open contact of contactor (6) are parallelly connected, the normally closed contact of contactor (6) coil other end and thermorelay (5) is established ties, the normally closed contact other end of thermorelay (5) connects to control power supply (L2), the automatic contact one end of manual automatic transfer switch (1) links to each other with the one end of control power supply (L2), the automatic contact other end of manual automatic transfer switch (1) is parallelly connected with manual start-up circuit again after establishing ties with the normally open contact of time control switch (8), circuit and contactor (6) coil connection after the parallelly connected, running indicator lamp (4) are parallelly connected with contactor (6) coil.
2. The automatic start-stop control device for the large-scale commercial super air conditioner as claimed in claim 1, which is characterized in that: the time control switch (8) is powered by AC220V and adopts a model NKG 3-M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517982.7U CN215523684U (en) | 2021-03-12 | 2021-03-12 | Automatic start-stop control device for large-scale commercial and super air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517982.7U CN215523684U (en) | 2021-03-12 | 2021-03-12 | Automatic start-stop control device for large-scale commercial and super air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215523684U true CN215523684U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120517982.7U Active CN215523684U (en) | 2021-03-12 | 2021-03-12 | Automatic start-stop control device for large-scale commercial and super air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215523684U (en) |
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2021
- 2021-03-12 CN CN202120517982.7U patent/CN215523684U/en active Active
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