KR20170048884A - Apparatus for power save controlling of showcase and method thereof - Google Patents

Abstract

Use of door switch (s / w) to learn product usage frequency and pattern, set time of use and non-use time on the basis of learning results, and then realize power saving control of the showcase The present invention relates to an apparatus and a method thereof, the apparatus comprising: an operation unit for setting a power saving function; A door detecting unit for detecting a door state; When the power saving function is set by the operation unit, the door detection signal sensed by the door sensing unit is accumulated during the learning time, and the power saving is controlled by automatically setting the use time zone and the non-use time zone of the showcase based on the accumulated information By implementing the power saving control device of the showcase including the control part, it is possible to automatically set the use time zone and the non-use time zone with the door detection signal as a banner, and reduce the driving rate of the compressor do.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power saving control apparatus for a showcase,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power saving control of a showcase, and more particularly, to a method and apparatus for learning a product use frequency and a pattern using a door switch (s / w) And a method for controlling the power saving of a showcase in which optimal power saving can be realized through temperature control.

Typically, a showcase is used to display items in the showroom without opening the doors while displaying the items in the showroom. Such a showcase can be various for refrigeration, freezing, open without a door.

The various showcase compares the internal preset temperature set by the operator with the current internal temperature and controls the operation of the compressor by controlling the operation of the compressor. In addition, the set temperature is set to be high only in a predetermined time zone (for example, night time zone) for the power saving operation, and the power saving operation is performed by shortening the driving time of the compressor.

Conventional techniques for a showcase are disclosed in the following Patent Documents 1 to 3.

The prior art disclosed in Patent Document 1 is provided with a control device for controlling a plurality of showcases for illuminating a showroom where a product is displayed with an LED illuminating device and is provided at a position capable of sensing the approach of a person, And the illuminance of all the LED lighting devices of the plurality of showcases is brightened when the human detection sensor senses a human approach. As a result, it is possible to realize a high directing effect by the LED lighting device capable of securing a predetermined illuminance even in a low temperature environment.

The conventional art disclosed in Patent Document 2 includes a human body sensing unit for sensing a human body located in the vicinity of a display unit, a lighting unit provided on a rim of the display unit, and a lighting control unit for allowing a light to follow the customer's movement path , And when the customer approaches the interaction showcase, it lights according to the customer's movement route so that the light follows the customer's movement route.

In addition, in the prior art disclosed in Patent Document 3, a plurality of accommodating spaces are built up by a single compressor, and many commodities or foodstuffs can be displayed and sold using one refrigeration showcase.

Korean Patent Publication No. 10-2009-0053727 (Published on May 27, 2009) Korean Patent Publication No. 10-2013-0061345 (published on June 11, 2013) Korea Registered Utility Model Registration No. 20-0191863 (Registered May 30, 2000)

However, the above-mentioned conventional technique is to implement a power saving by controlling the driving of the compressor only by the set temperature and by shortening the driving time of the compressor by raising the internal preset temperature only in a preset time period in the power saving operation. There is a disadvantage that the power saving efficiency is low due to the simple method of performing power saving.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the related art, and it is an object of the present invention to provide a door switch system, And an object of the present invention is to provide a power saving control apparatus and method for a showcase which can realize optimal power saving through temperature control after setting a use time zone.

An object of the present invention is to provide a system and method for automatically setting a use time of a showcase through learning and setting a temperature of a showcase in accordance with a corresponding time zone so as to control the operation of the compressor so that the operation efficiency of the compressor is remarkably reduced A power saving control device for a showcase, and a method thereof.

It is another object of the present invention to provide a power saving control apparatus and method for a showcase in which the use time of a showcase is automatically set through learning and the power saving of the showcase is controlled based on the set use time period .

According to an aspect of the present invention, there is provided an apparatus for controlling power saving of a showcase comprising: an operation unit for setting a power saving function; A door detecting unit for detecting a door state; When the power saving function is set by the operation unit, the door detection signal sensed by the door sensing unit is accumulated during the learning time, and the power saving is controlled by automatically setting the use time zone and the non-use time zone of the showcase based on the accumulated information And a control unit.

According to another aspect of the present invention, there is provided an apparatus for controlling power saving of a showcase, the apparatus further comprising an illumination driving unit for performing power saving by lowering illumination of a showcase at an unused time according to the control of the controller.

In this case, the control unit analyzes the time zone in which the opening and closing of the door are detected, and automatically sets the use time zone and the non-use time zone.

The control unit may include a door detection module that detects a door detection signal sensed by the door sensing unit. A learning module that learns the frequency and pattern of use of the showcase for a predetermined time based on the door detection signal sensed by the door detection module; A usage time zone setting module for automatically setting a use time zone and a non-use time zone of the showcase based on the usage frequency and the pattern learned in the learning module; And a temperature setting module for setting a power saving control temperature for controlling the compressor in the non-use time period set by the utilization time period setting module.

The control unit may further include a power saving control module for controlling the compressor driving based on the utilization time zone set in the utilization time period setting module and the power saving control temperature set in the temperature setting module to perform power saving .

The power saving control module controls the power saving by shortening the driving time of the compressor by increasing the internal preset temperature by adding 5 [deg.] C to the high temperature setting temperature in the non-use time zone and decreasing the brightness of the interior lighting to the usage time zone Thereby realizing power saving.

According to an aspect of the present invention, there is provided a method of controlling power saving of a showcase according to the present invention, including the steps of: (a) performing initialization according to power supply and confirming whether a power saving function is input; (b) if the power-saving function is input as a result of the checking in step (a), detecting a door use state while controlling a compressor according to a set temperature for a predetermined period; (c) learning the usage frequency and the pattern using the detected door use state information; (d) automatically setting a usage time zone and a non-use time zone based on the learning result of the step (c); (e) setting a power saving control temperature in the non-use time period; (f) controlling the compressor drive according to the set temperature at the set use time zone; And (g) controlling the compressor drive according to the power saving control temperature in the set non-use time period.

In the step (g), the driving of the compressor is controlled according to the power saving control temperature in the non-use time period, and the brightness of the brightness of the interior lighting is lowered to reduce power.

In the above step (e), the power saving control temperature is set by adding 5 占 폚 to the temperature set in the use time zone.

According to the present invention, the use frequency and pattern of the product are learned by using the door switch (s / w), the usage time zone and the non-use time zone are set based on the learning result, It is possible to realize power saving by significantly lowering the driving rate of the display device.

In addition, according to the present invention, there is an advantage that the use time of the showcase can be automatically set through learning, and the brightness of the illumination of the showcase can be controlled to be low during the non-use time period.

1 is a configuration diagram of a power saving control device for a showcase according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the control unit of FIG. 1;
3 is a flowchart showing a power saving control method of a showcase according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A power saving control apparatus and method for a showcase according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of a showcase power saving control apparatus according to a preferred embodiment of the present invention.

The showcase power saving control apparatus according to the preferred embodiment of the present invention includes an operation unit 101, a door detection unit 102, a temperature detection unit 103, a power supply unit 104, a control unit 105, an illumination driving unit 106, 107, a compressor driving unit 108, a memory 109, and a timer 110.

The operation unit 101 is a key input device for the operator to set a power saving function, and can also set the temperature and time in the room.

The door sensing unit 102 senses the open / closed state of the door. In order to detect the door, it is preferable to provide a door switch (door s / w) at a portion for detecting the opening and closing of the door.

The temperature detector 103 detects the internal temperature and transmits the detected temperature to the controller 105, and it is preferable to use a conventional temperature sensor.

The power supply unit 104 supplies driving power to the control unit 105 and other parts required for the power supply.

The illumination driving unit 106 turns on / off the indoor lighting and advertisement lighting according to the control of the controller 105 or drives the illumination by dimming. In particular, when the power saving function is performed, the brightness of the illumination is lowered by the control of the control unit 105 in comparison with the usage time zone to perform power saving.

The fan driving unit 107 controls the rotation speed of the evaporator fan motor under the control of the control unit 105. The compressor driving unit 108 drives the compressor under the control of the control unit 105 Off.

The memory 109 stores a control program for controlling the showcase, a control program for power saving control, and the like, and also stores a learning algorithm for analyzing the frequency of use and the pattern.

The timer 110 generates a time clock for time information and provides the time clock to the controller 105. Based on the time clock, the control unit 105 can know the current time information.

When the power saving function is set by the operation unit 101, the control unit 150 accumulates the door detection signals sensed by the door sensing unit 102 during the learning time, and based on the accumulated information, It controls power saving by automatically setting the usage time zone.

2, the control unit 105 includes a door detection module 105a for detecting a door detection signal sensed by the door sensing unit 102; A learning module 105c for learning the usage frequency and pattern of the showcase for a predetermined time based on the door detection signal sensed by the door detection module 105a; A usage time zone setting module (105b) for automatically setting a use time zone and a nonuse time zone of the showcase based on the usage frequency and the pattern learned by the learning module (105c); A temperature setting module 105d for setting a power saving control temperature for controlling the compressor in the non-use time zone set by the use time zone setting module 105b; A power saving control module 105e for controlling the compressor driving based on the utilization time zone set by the utilization time period setting module 105b and the power saving control temperature in the non-use time zone set by the temperature setting module 105d to perform power saving .

Here, the power saving control module 105e controls the power saving by shortening the driving time of the compressor by increasing the high temperature setting temperature in the non-use time period by adding 5 deg. C to the high temperature setting temperature in the use time zone, It is desirable to realize power saving by lowering the contrast.

The operation of the power saving control device of the showcase according to the present invention will be described in detail as follows.

First, the operator sets the internal preset temperature through the operation unit 101, and operates the showcase.

When the operation of the showcase is started, the control unit 105 recognizes the temperature, detects the internal temperature through the temperature detector 103, compares the detected internal temperature with the set temperature set by the operator, And controls the driving.

If a separate power saving function is not set, the preset power saving time zone (for example, night time zone) is checked based on the set current time, and when the power saving time comes, the set temperature set by the operator is automatically set to the power saving temperature It is raised properly. As a result, the driving time of the compressor is reduced and the power saving is realized. Here, if the user sets the time in advance using the time setting method, the control unit 105 sets the current time in such a manner that the set time is increased with the lapse of time using the time clock generated from the timer 110 It is time.

The method of operating the showcase as described above is a general method of operating the showcase, and the present invention adds a separate power saving function to optimize the power saving of the showcase.

For example, the operator sets the power saving function through the operation unit 101 for power saving of the showcase. When the power saving function is set through the operation unit 101, the control unit 105 controls the driving of the compressor by the temperature control method as described above, and learns the frequency of use and patterns during a certain learning period, Setting.

To this end, the door switch of the door sensing unit 102 senses that the door of the showcase is opened or closed, and transmits the sensed result to the control unit 105 as a door sensing signal.

The control unit 105 receives the door detection signal transmitted from the door detection module 105a and transmits the door detection signal to the learning module 105c. Here, the door detection signal is divided into a door open signal and a door close signal. When the door open signal is detected once, the frequency of use is 1. The learning module 105c analyzes the frequency of use and the pattern on the basis of the frequency of use and the time information according to a pattern frequently opened by the door. Here, it is preferable that the usage frequency and the detection time are cumulatively stored for each detection of the door open signal. This process continues throughout the learning period.

At the end of the learning period, the learning module 105c analyzes the door opening timing and the time information cumulatively stored in the memory 109 by time zone, generates usage frequency and pattern information, and transmits the usage frequency and pattern information to the using time zone setting module 105 do. The usage time zone setting module 105b automatically sets the use time zone and the non-use time zone of the showcase based on the frequency of use and the pattern information. For example, if there is almost no use of the showcase in a specific time zone, the time is set as the non-use time zone, and the remaining time zone except for the non-use time zone is set as the use time zone.

And transmits the set use time zone and non-use time zone information to the temperature setting module 105d and the power saving control module 105e.

The temperature setting module 105d sets the in-use set temperature in the non-use time period by adding 5 [deg.] C to the in-use set temperature set by the operator in the in-use time zone. The set high temperature in the non-use time zone thus set is transmitted to the power saving control module 105e.

The power saving control module 105e controls power consumption and lighting of the compressor by using the time zone information and the unused time zone information, the high temperature setting time of the non-use time zone, and the illumination brightness control signal of the non-use time zone .

For example, the current time is compared with the time of use, and if the current time is the time of day, the power saving function is not performed and the compressor is controlled according to the preset temperature set by the operator. At this time, the brightness of the light is controlled as it is in the initial state. If the current time is not the usage time zone during the continuous comparison of the current time and the usage time zone time, it is determined as the non-use time zone. Then, when it is determined that the non-use time period is set, the in-use set temperature is changed to the in-use time set in-use temperature set by the temperature setting module 105d, and the in-use temperature detected by the temperature detecting unit 103 and the in- The temperature is compared and the operation of the compressor is controlled according to the difference. Here, the high temperature setting temperature of the non-use time zone becomes high by 5 占 폚 in comparison with the high setting temperature of the use time zone. As such, when the internal temperature is set to be higher, the driving time of the compressor becomes shorter, which results in lowering the driving rate of the compressor, thereby saving power. In addition, as described above, the driving of the compressor is controlled during the power saving function, and the brightness of the interior lighting is lowered through the lighting driver 106. Here, since the brightness of the interior illumination is made by the current, the consumption current is reduced in order to lower the brightness of the illumination. This results in power savings. It is preferable to set the current value for controlling the illumination brightness in the use time zone and the non-use time zone in advance in the memory.

In addition, it is also possible to reduce the number of revolutions of the evaporator fan motor during the power saving function to achieve additional power saving. When the number of revolutions (rpm) of the fan of the evaporator is reduced and driven by the fan driving unit 107, the driving power of the evaporator is reduced, which results in power saving.

The control unit 105 continuously compares the current time with the use time zone while performing the power saving control in the above-described process, and returns to the original state when the current time is in the usage time zone, thereby controlling the compressor, the fan, and the illumination.

3 is a flowchart showing a power saving control method of a showcase according to the present invention, wherein S represents a step.

The showcase power saving control method according to the present invention includes the steps of: (a) performing initialization according to power supply and confirming whether a power saving function is input (S101 to S103); (b) If the power saving function is not selected as a result of the checking in step (a), a normal control process for controlling the operation of the compressor according to the temperature detection and the temperature is performed. If the power saving function is inputted, (S104 to S107); (c) learning the usage frequency and the pattern using the detected door use state information (S108); (d) automatically setting a usage time zone and a non-use time zone based on the learning result of the step (c) (S109); (e) setting a power saving control temperature in the non-use time period (S110); (f) controlling the compressor drive according to the set temperature at the set use time period (S111 to S112); And (g) controlling the compressor driving according to the power saving control temperature in the set non-use time period (S113 to S114).

In the step (g), it is preferable to control the driving of the compressor according to the power saving control temperature at the non-use time, and reduce the brightness of the brightness of the interior lighting to save power.

In the step (e), it is preferable to set the power saving control temperature by adding 5 占 폚 to the temperature set in the use time zone.

The showcase power saving control method according to the present invention will now be described.

First, when power is supplied to the showcase as in step S101, the control unit 105 performs initialization in step S102, and moves to step S103 to confirm whether the power saving function is input.

If it is determined that the power saving function is not input, the process proceeds to step S104 to detect the in-room temperature through the temperature detector 103. In step S105, the detected in-room temperature is compared with the in- Thereby controlling the driving of the compressor.

If a separate power saving control function is not set, a preset power saving time zone (for example, night time zone) is checked based on the set current time, and when the power saving time comes, the set temperature set by the operator is automatically set to the power saving temperature . As a result, the driving time of the compressor is shortened and the power saving is realized.

On the other hand, if it is determined in step S103 that the power saving function is input, the control unit 105 moves to step S106 and controls the driving of the compressor by the temperature control method as described above, Set the usage time zone and the non-use time zone automatically.

To this end, the door switch of the door sensing unit 102 senses that the door of the showcase is opened or closed, and transmits the sensed result to the control unit 105 as a door sensing signal. In step S107, the controller 105 receives the door detection signal transmitted from the door detection module 105a and transmits the door detection signal to the learning module 105c. Here, the door detection signal is divided into a door open signal and a door close signal. When the door open signal is detected once, the frequency of use is 1.

The learning module 105c analyzes the frequency of use and the pattern in step S108 based on the frequency of use and the time information according to a pattern in which the door frequently opens. Here, it is preferable that the usage frequency and the detection time are cumulatively stored for each detection of the door open signal. This process continues throughout the learning period.

At the end of the learning period, the learning module 105c analyzes the door opening timing and the time information cumulatively stored in the memory 109 by time zone, generates usage frequency and pattern information, and transmits the usage frequency and pattern information to the using time zone setting module 105 do.

The usage time zone setting module 105b automatically sets the use time zone and the non-use time zone of the showcase based on the use frequency and the pattern information in step S109. For example, if there is almost no use of the showcase in a specific time zone, the time is set as the non-use time zone, and the remaining time zone except for the non-use time zone is set as the use time zone. And transmits the set use time zone and non-use time zone information to the temperature setting module 105d and the power saving control module 105e.

In step S110, the temperature setting module 105d sets the high temperature setting temperature in the non-use time period by adding 5 [deg.] C to the high temperature setting temperature set by the operator in the non-use time zone. The set high temperature in the non-use time zone thus set is transmitted to the power saving control module 105e.

In step S111 to step S114, the power saving control module 105e controls the driving and lighting of the compressor by braking the lighting time period information, the unused time zone information, the high temperature setting time of the non-use time zone, Thereby realizing power saving.

For example, in step S111, the current time is compared with the use time zone, and if the current time is in the use time zone, the power saving function is not performed and the process proceeds to step S112 to control the compressor according to the high temperature set by the operator. At this time, the brightness of the light is controlled as it is in the initial state.

If the current time is not the usage time zone during the continuous comparison of the current time and the usage time zone time, the flow advances to step S113 to determine the non-use time zone. If it is determined that the non-use time zone is not used, the process goes to step S114 to change the high temperature setting temperature to the non-use time zone high temperature setting temperature set by the temperature setting module 105d, Compares the set temperature within the time zone, and controls the operation of the compressor according to the difference. Here, the high temperature setting temperature of the non-use time zone becomes high by 5 占 폚 in comparison with the high setting temperature of the use time zone. As such, when the internal temperature is set to be higher, the driving time of the compressor becomes shorter, which results in lowering the driving rate of the compressor, thereby saving power. In addition, as described above, the driving of the compressor is controlled during the power saving function, and the brightness of the interior lighting is lowered through the lighting driver 106. Here, since the brightness of the interior illumination is made by the current, the consumption current is reduced in order to lower the brightness of the illumination. This results in power savings. It is preferable to set the current value for controlling the illumination brightness in the use time zone and the non-use time zone in advance in the memory.

In addition, it is also possible to reduce the number of revolutions of the evaporator fan motor during the power saving function to achieve additional power saving. When the number of revolutions (rpm) of the fan of the evaporator is reduced and driven by the fan driving unit 107, the driving power of the evaporator is reduced, which results in power saving.

The control unit 105 continuously compares the current time with the use time zone while performing the power saving control in the above-described process, and returns to the original state when the current time is in the usage time zone, thereby controlling the compressor, the fan, and the illumination.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

The present invention is applied to a technique of learning power consumption by analyzing a frequency of use and a pattern on the basis of a door detection signal and automatically setting a use time zone and an unused time zone based on the frequency and pattern.

101:
102: Door detection unit
103: Temperature detector
105:
105a: door detection module
105b: Time zone setting module
105c: learning module
105d: Temperature setting module
105e: power saving control module
106:
107:
108:

Claims (9)

An apparatus for controlling power saving in a showcase,
An operation unit for setting a power saving function;
A door detecting unit for detecting a door state;
When the power saving function is set by the operation unit, the door detection signal sensed by the door sensing unit is accumulated during the learning time, and the power saving is controlled by automatically setting the use time zone and the non-use time zone of the showcase based on the accumulated information And a controller for controlling the power saving of the showcase.
The apparatus according to claim 1, further comprising an illumination driving unit for performing a power saving by lowering a brightness of illumination of a showcase in an inactive time period under the control of the control unit.
The power saving control device of a showcase according to claim 1, wherein the controller automatically analyzes the time zone in which the opening and closing of the door are detected to automatically set the use time zone and the non-use time zone.
[2] The apparatus of claim 1, wherein the controller comprises: a door detection module for detecting a door detection signal sensed by the door sensing unit; A learning module that learns the frequency and pattern of use of the showcase for a predetermined time based on the door detection signal sensed by the door detection module; A usage time zone setting module for automatically setting a use time zone and a non-use time zone of the showcase based on the usage frequency and the pattern learned in the learning module; And a temperature setting module for setting a power saving control temperature for controlling the compressor in the non-use time zone set by the usage time zone setting module.
The control unit may further include a power saving control module for controlling the compressor driving based on the utilization time zone set by the utilization time period setting module and the power saving control temperature set in the temperature setting module to perform power saving The power saving control device of the showcase.
The power saving control module controls the power saving by shortening the driving time of the compressor by increasing the internal preset temperature by adding 5 [deg.] C to the high temperature set temperature of the in-use time zone, And the power saving is implemented by lowering the power consumption of the display device to a time zone.
As a method for controlling power saving of a showcase,
(a) performing initialization according to power supply and confirming whether a power saving function is input;
(b) detecting a door use state while controlling a compressor according to a set temperature for a predetermined period when the power saving function is inputted as a result of the checking in the step (a);
(c) learning the usage frequency and the pattern using the detected door use state information;
(d) automatically setting a usage time zone and a non-use time zone based on the learning result of the step (c);
(e) setting a power saving control temperature in the non-use time period;
(f) controlling the compressor drive according to the set temperature at the set use time zone; And
(g) controlling the compressor driving according to the power saving control temperature at the set non-use time period.
[7] The method of claim 7, wherein the step (g) controls driving of the compressor according to the power saving control temperature during the non-use time period, and lowers the illuminance of the brightness of the interior lighting to reduce power.
The method according to claim 7, wherein the step (e) sets the power saving control temperature by adding 5 캜 to the temperature set in the use time zone.

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