JP2016129568A - Method and system for controlling environment inside display case arranged in display chamber having air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a system for controlling an environment inside a display case arranged in a display chamber having an air-conditioner, capable of solving the problem of the increase of a manufacturing cost and a maintenance cost of the display case provided with the conventional technique by allowing air quality inside a display space of a displayed object to be excellent without complicating the configuration of the display case through the use of purified air inside the display chamber.SOLUTION: A display space S1 inside a display case 1 arranged in a display chamber 3 is sealed when the display chamber 3 having an air-conditioner 4 is in use. When the display chamber 3 is not in use, ventilation is performed between air inside the display space S1 and air inside an interior space S0 of the display chamber 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an environmental control method and system in an exhibition case arranged in an exhibition room provided with an air conditioner in an art museum, a museum, a cultural property preservation museum, or the like.

  A display case used in a conventional art museum or the like encloses and encloses a storage space for storing exhibits with a transparent glass plate or the like, and cleans the air in the storage space with an air cleaning means having a fan or a filter. Generally, it is made to circulate through the provided circulation path (for example, refer patent document 1).

  The circulation path as described above can be expanded or contracted, humidity control means is provided in the circulation path (see, for example, Patent Document 2), or nitrogen gas can be supplied to the accommodation space (for example, (See Patent Document 3).

Japanese Patent No. 2902359 Japanese Patent No. 38882473 JP 2004-81306 A

In the display cases used in the conventional art museums as described above, the air in the storage space is repeatedly circulated. Therefore, when there is a contamination source in the storage space, the storage space and the entire circulation path are highly concentrated. Even if a contaminated and expensive chemical filter is used, the capacity of the chemical filter that can be accommodated in the display case is limited, so that the contamination may not be sufficiently removed.
Many of these sources of pollution are emitted gas from interior materials of exhibition stands and caulking materials to ensure airtightness in the containment space, and such emitted gases are generated even after the exhibition starts. There is.
There are aldehydes (formaldehyde, acetaldehyde), organic acids (acetic acid, formic acid), ammonia, and the like as a problem gas.

  Therefore, for newly produced display cases, the storage space is opened and the doors are opened in a state in which the exhibits are not stored, and waiting for exhausted gas from these interior materials to be exhausted, that is, “withered” However, in many cases, it is not possible to secure the time required for such “withering”.

  In addition, in the conventional display cases as described above, mass production is difficult and expensive materials are often used, so that not only the manufacturing cost is high, but also expensive chemical filters and dust filters must be replaced frequently. If it becomes necessary, there will be problems such as soaring maintenance costs.

  On the other hand, the air conditioning equipment of exhibition rooms such as art museums and museums with display cases has evolved significantly in recent years, and some of them are equipped with chemical filters as well as temperature and humidity control. Therefore, although the air quality in the exhibition room deteriorates, the air quality in the exhibition room is very clean during closing, especially during the time before the next opening.

  The present invention pays attention to such purified air in the exhibition room, and uses this to improve the air quality in the exhibition space of the exhibition without complicating the structure of the exhibition case. Therefore, the environment in the display case provided in the display room provided with an air conditioner that can solve the problems such as the increase in the manufacturing cost and maintenance cost of the display case as described above which the conventional technology has It is an object to provide a control method and system.

According to the present invention, the above problem is solved as follows.
(1) In an environmental control method in an exhibition case provided in an exhibition room provided with an air conditioner, the exhibition space in the display case is sealed when the exhibition room is used, and the exhibition space is sealed when the exhibition room is not used. Ventilate the air inside the room with the air in the exhibition room.

According to such a method, when the visitor visits the exhibition room where the display case is arranged, and the exhibition space in the display case is observed, the exhibition space in the display case is sealed, so the visitor It is possible to prevent the air in the exhibition room whose air quality has deteriorated due to the passage of the doorway from entering the display case and adversely affecting the exhibits.
At night or closed days when visitors do not visit the exhibition room, the air in the exhibition room is purified by the air conditioner, and the air quality is improved.
When such an exhibition room is not used, especially after a certain amount of time has passed since the exhibition room was not used, the air in the exhibition space is ventilated with the air in the interior space of the exhibition room, thereby displaying the display case. During the period when the display was sealed, a small amount of emitted gas generated from pollution sources such as interior materials and caulking materials in the display case was also discharged outside the display case, and the inside of the display case was filled with purified air in the display room At the same time, the emitted gas generated during the ventilation period is immediately discharged.
Even if harmful gas generated from the pollution source in the display case is diffused into the display room by such ventilation in the display case, it is when the display room is not in use, There is no risk that visitors will inhale the harmful gas, and such harmful gas is quickly removed by the air conditioner in the exhibition room. Purified during the period of use.
Therefore, without providing an expensive air purification device in the display case itself, it is possible to improve the air quality in the display case even if the display item is accommodated by simply providing a ventilation device, It is possible to maintain the temperature and humidity, and thus it is possible to solve problems such as the increase in the manufacturing cost and the maintenance cost of the display case as described above which the conventional technology has. In addition, it is possible to promote withering even when the exhibits are accommodated.

(2) In the above item (1), after the exhibition room is not in use, ventilation of the exhibition space is started after the purification time longer than the purification time in the exhibition room by the air conditioner.

  According to such a method, immediately after the exhibition room is not in use, the air in the exhibition room has not been sufficiently cleaned, and such poor indoor air enters the exhibition space. It is possible to prevent the indoor air of poor air quality from being purified by the air conditioner and to supply only the calmed air into the exhibition space.

(3) In the above item (2), before the exhibition room enters the next use state, the ventilation of the exhibition space is ended, and the ventilation time is started by calculating backward the predetermined ventilation time from the end time. .

  According to such a method, it is possible to ventilate only the shortest predetermined time based on ventilation performance, etc., using room air immediately before the next use of the exhibition room, where the exhibition room is most clean. It is possible to minimize the wind perception to the exhibits that may be deteriorated by the wind.

(4) In any one of the above items (1) to (3), the display case is provided with a circulation path for circulating the air in the display space through the air cleaning means, and the display space is blocked from the indoor space. In the state, the air in the exhibition space is circulated along the circulation path.

  According to such a method, when the exhibition room is used, the air in the exhibition space is circulated along the circulation path, and thus newly generated from interior materials and caulking materials in the sealed exhibition space. A small amount of emitted gas or the like can also be removed by an air cleaning means provided in the circulation path.

(5) An environmental control system in an exhibition case provided in an exhibition room provided with an air conditioner, the air in the exhibition space provided in the display case and sealed in the display case is transferred into the indoor space of the exhibition room The optimal ventilation time is determined outside the exhibition room usage time based on the ventilation time of the exhibition room and the ventilation time of the exhibition room, and the ventilation device is controlled to operate the ventilation device at the optimal ventilation time It is assumed that a control device is provided.

According to such a configuration, when the ventilation device provided in the display case is controlled by the control device and is operated at an optimal time when the exhibition room is not used, and is cleaned in the indoor space of the exhibition room. Only the air in the exhibition space can be supplied into the exhibition space to clean the exhibition space.
Therefore, it is possible to improve the air quality in the display case containing the exhibits by simply providing a simple ventilation device without providing an expensive air purification device in the display case itself. Problems such as a rise in manufacturing cost and maintenance cost of the display case as described above, which the technology has, can be solved.

(6) An environmental control system in an exhibition case arranged in an exhibition room provided with an air conditioner, and is provided in the exhibition case and air in the exhibition space sealed in the display case is transferred into the indoor space of the exhibition room. A ventilator for ventilating air, an input means for setting the usage time of the exhibition room, a real-time clock, and a control device for controlling the operation of the ventilator, wherein the control device is input by the input means. Based on the usage time of the exhibition room, the optimal ventilation time determining means for determining the optimal ventilation time outside the usage time of the exhibition room, and when the time indicated by the real-time clock coincides with the optimal ventilation time, Program control means having output means for operating the ventilator is provided.

According to such a configuration, the ventilation device provided in the display case is controlled by the program control means of the control device simply by inputting the usage time of the exhibition room by the input means, and is optimal when the exhibition room is not used. Only the air that is operated at a certain time and is being cleaned in the interior space of the exhibition room can be supplied into the exhibition space to clean the interior of the exhibition space.
Therefore, it is possible to improve the air quality in the display case containing the exhibits by simply providing a simple ventilation device without providing an expensive air purification device in the display case itself. Problems such as a rise in manufacturing cost and maintenance cost of the display case as described above, which the technology has, can be solved.

(7) In item (6) above, the display case is provided with a circulation path for circulating the air in the display space through the air cleaning means, and the ventilator is opened and closed to open and close the opening communicating with the outside of the display case. A valve is provided, and when the time indicated by the real-time clock coincides with the usage time of the exhibition room input by the input means, the on-off valve is closed to cause the program control means to perform air circulation through the circulation path. An operation output means is provided.

According to such a configuration, the exhibition space can be sealed during use of the exhibition room, and the air in the exhibition space can be purified by the air cleaning means by circulating it through the circulation path.
Therefore, in the sealed exhibition space, a small amount of emitted gas newly generated from the interior material, the caulking material, and the like can be removed by the air cleaning means provided in the circulation path.

(8) In any of the above items (5) to (7), a first temperature / humidity sensor for detecting the temperature and / or humidity is provided in the indoor space, and the temperature and / or humidity is detected in the exhibition space. And a difference between the temperature or humidity detected by the first temperature / humidity sensor and the temperature or humidity detected by the second temperature / humidity sensor is determined based on a predetermined set value. When it becomes large, a temperature / humidity difference control means for stopping the operation of the ventilator is provided.

  According to such a configuration, when the temperature / humidity difference control means is operated, air having an extremely different temperature and / or humidity from the air in the exhibition space enters the exhibition space and adversely affects the exhibits in the exhibition space. Can be prevented.

  According to the present invention, by using the clean air in the exhibition room, the air quality in the exhibition space of the exhibit can be improved without complicating the configuration of the display case. An environment control method and system in a display case provided in an exhibition room provided with an air conditioner capable of solving the problems such as the increase in manufacturing cost and maintenance cost of the display case as described above in be able to.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic longitudinal front view schematically showing an exhibition room in which an exhibition case to which a first embodiment of an environmental control system in an exhibition case of the present invention is applied is arranged. It is a block diagram of a 1st embodiment of an environment control system in an exhibition case of the present invention. It is a flowchart which shows the basic flow of the 1st implementation point of the environmental control method in the display case of this invention. It is a flowchart which shows the additional flow of the 1st implementation point of the environmental control method in the display case of this invention. It is a schematic longitudinal front view which shows typically the display case to which 2nd Embodiment of the environmental control system in the display case of this invention is applied. It is a block diagram of 2nd Embodiment of the environment control system in the display case of this invention. It is a flowchart which shows the basic flow of the 2nd implementation point of the environmental control method in the display case of this invention. It is a flowchart which shows the additional flow of the 2nd implementation point of the environmental control method in the display case of this invention.

Hereinafter, an embodiment of an environment control system in an exhibition case of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic longitudinal sectional front view schematically showing an exhibition room 3 in which a first display case 1 having a row lamp type and a second display case 2 having a wall surface type are arranged.
As shown in FIG. 1, the exhibition room 3 includes an air conditioner 4.
As the air conditioner 4, an existing building provided with the exhibition room 3 can be used. Here, the main body 5, one end is connected to the main body 5, and via the return air fan 6 a, A return air duct 6 having the other end opened to the ceiling and the lower part of the side wall of the exhibition room 3, an air supply duct 7 having one end connected to the main body 5 and the other end opened to the ceiling of the exhibition room 3, and one end being the main body 5 and the other end opens to the outside via the outside air introduction pipe 8 and the exhaust pipe 9 and flows through the circulation path 10 from the return air duct 6 through the main body 5 to the air supply duct 7. Alternatively, a heat exchanger 11 that heats or cools the outside air taken into the main body 5 by heat exchange with a heat medium (not shown) is provided.
The opening on the display room 3 side of the return air duct 6 and the opening on the display room 3 side of the air supply duct 7 are provided so as to be separated from each other so as not to form a short circuit.

  The main body 5 is provided with an air cleaning means 12 for cleaning the air flowing in the circulation path 10 and a blower 13 for feeding air along the circulation path 10.

  The air cleaning means 12 includes a pre-filter 14 that is a coarse dustproof filter, a chemical filter 15, and a medium performance filter 16 that is a fine dustproof filter.

  By the air conditioner 4, the inside of the exhibition room 3 is always temperature-controlled at an appropriate temperature (the temperature control means may be known or well-known, and illustration and detailed description thereof are omitted) and cleaned. ing. The air conditioner 4 may be provided with humidity adjusting means (not shown).

  The display case 1 is provided on the base 20 placed on the floor surface 3 a in the display room 3, and is provided on the base 20. At least a part of the outer peripheral portion is formed of a transparent material, and the upper surface of the base 20. A case main body 23 that encloses the exhibit 22 arranged on the display stand 21 formed in a sealed state, an air passage 24 that communicates the display space S1 of the case main body 23 and the indoor space S0 of the exhibition room 3, and an air passage 24, provided in the ventilation path 24, and a blower 25 for supplying the air in the exhibition space S1 of the case body 23 to the indoor space S0 of the exhibition room 3 and / or the air of the indoor space S0 to the exhibition space S1. Damper-type on-off valves 26 and 27 for opening and closing the air passage 24 are provided.

  The case body 23 has four side surfaces made of transparent glass, and a lighting device (not shown) is disposed on the top plate. However, since the configuration thereof is not directly related to the present invention, detailed description thereof is omitted. To do.

In the display case 1, the ventilation path 24 includes an exhaust path 28 that exhausts the air in the display space S 1 of the case body 23 to the indoor space S 0, and an air supply path 29 that supplies the air in the indoor space S 0 to the display space S 1. The exhaust passage 28 is provided with an opening / closing valve 26, and the air supply passage 29 is provided with an opening / closing valve 27, a blower 25, and an air cleaning means 30.
Specifically, the air cleaning means 30 is preferably a chemical filter and / or a dustproof filter.

  The exhaust path 28 and the air supply path 29, and the on-off valves 26 and 27, the blower 25, and the air cleaning means 30 provided in them are all disposed in the base 20, and the intake port 29a of the air supply path 29 has an intake port 29a. In addition, an opening to the indoor space S0 of the exhibition room 3 is made from one side of the base 20.

The exhaust port 28 a of the exhaust path 28 is disposed so as to open inside the base 20, and exhaust from the exhaust path 28 passes through the base 20 and is discharged from the lower end opening of the base 20. ing. In addition, an exhaust port (not shown) is provided on the side surface opposite to the side surface of the base 20 where the intake port 29a is provided, and the exhaust from the exhaust path 28 is exhausted through the inside of the base 20 from here. Sometimes.
The exhaust port 28a of the exhaust path 28 and the intake port 29a of the air supply path 29 are preferably arranged apart from each other, and when arranging a plurality of display cases 1 on the floor surface 3a. Is preferably arranged so that the exhaust port 28a of one display case 1 does not face or close to the intake port 29a of the other display case 1.

  In the display case 1, the display case 1 is provided by the ventilation path 24 including the exhaust path 28 and the air supply path 29, the blower 25, the opening / closing valves 26 and 27, and the air cleaning means 30. A ventilation device 31 is formed to ventilate the air in the sealed exhibition space S1 with the air in the indoor space S0 of the exhibition room.

  A temperature / humidity sensor 32 for detecting the temperature and / or humidity C1 in the exhibition space S1 is provided at the end of the exhaust passage 28 on the display space S1 side, and the end of the air supply passage 29 on the indoor space S0 side is provided at the end. A temperature / humidity sensor 33 for detecting the temperature and / or humidity C2 in the indoor space S0 is provided.

  In addition, a human sensor 34 that is activated when a person approaches is provided at an appropriate position on the outer surface of the display case 1.

FIG. 2 is a block diagram showing an embodiment of the environmental control system in the display case 1 of the present invention.
As shown in FIG. 2, the environment control system 35 operates the ventilation device 31 in the display case 1, the input means 36 for setting the usage time Tx of the exhibition room 3, the real-time clock 37, and the ventilation device 31. And a control device 38 for controlling.

  The input unit 36 includes a usage time setting unit 36a for setting the usage time Tx and the like of the exhibition room 3, a temperature / humidity difference setting unit 36b, and an air volume setting unit 36c for setting the air volume of the blower 25.

The control device 38 is set by the use time Tx of the exhibition room 3 set by the use time setting means 36a in the input means 36, the set temperature / humidity difference Cx set by the temperature / humidity difference setting means 36b, and the air volume setting means 36c. Based on the memory 39a for storing the air volume Vx and the like and the use time Tx of the exhibition room 3 stored in the memory 39a, the optimum ventilation time Ty is determined outside the use time Tx of the exhibition room 3 A program control means 39 having means 39b and output means 39c for operating the ventilator 31 when the time T0 indicated by the real time clock 37 coincides with the optimum ventilation time Ty is provided.
Although not shown in the figure, the control device 38 indicates the absolute value of the difference between the temperature or humidity C1 detected by the temperature / humidity sensor 32 and the temperature or humidity C2 detected by the temperature / humidity sensor 33. There is provided a temperature / humidity difference control means for stopping the operation of the ventilator 31 when the temperature / humidity difference Cx set by the difference setting means 36b becomes larger.

Next, together with the operation of the environment control system 35, one implementation point of the environment control method in the display case provided in the display room provided with the air conditioner according to the present invention will be described with reference to the flowchart shown in FIG. .
As shown in FIG. 3, first, in the input means 36, the use time Tx of the exhibition room 3 is set by the use time setting means 36a (S1), and the temperature / humidity difference Cx is set by the temperature / humidity difference setting means 36b. Further, the air volume setting means 36c sets the air volume Vx of the blower 25 so as to select, for example, strong, medium, weak, or light wind (S3).

  When the use time Tx, temperature / humidity difference Cx, and air volume Vx are all set and stored in the memory 39a (S4), the set values and the arithmetic expressions stored in the memory 39a in advance are used. Based on this, the optimum ventilation time Ty is calculated in the optimum ventilation time determining means 39b (S5), and the calculated optimum ventilation time Ty is stored in the memory 39a (S6).

For example, when the usage time Tx is set to be closed on Tuesday to Saturday from 10:00 to 18:00, Sunday from 10:00 to 19:00, and Monday, the exhibition room 3 is not used for a certain period of time, for example, 2 The time is the time for the air in the exhibition room 3 to calm down and the air in the exhibition room 3 to be purified by the air conditioner 4, so that ventilation is not performed during that time, and the next use is started. For example, during the time period from 1 hour to 1 hour before, since the entrance / exit of the persons involved with the use of the exhibition room 3 becomes frequent, ventilation is not performed even during this time period.
Further, it is preferable that the ventilation of the exhibition space is terminated before the exhibition room is in the next use state, and that ventilation is started by calculating back a predetermined ventilation time from the end time.
If it does in this way, it can ventilate only for the shortest time defined beforehand based on ventilation performance etc. using room air immediately before the next use of exhibition room 3 where the inside of exhibition room 3 is the most clean. As a result, it is possible to minimize the amount of wind per unit that is likely to deteriorate due to wind.

  Assuming that the optimum continuous ventilation time is 1 hour based on the performance of the ventilator 31, for example, in the above example, the optimum ventilation time Ty is 8am to 9am from Tuesday to Sunday.

  When the time T0 indicated by the real-time clock 37 does not coincide with the optimum ventilation time Ty (S7), a non-ventilation signal is sent from the optimum ventilation time determining means 39b to the output means 39c (S8), and the output means 39c. As a result, the actuators 26a and 27a of the on-off valves 26 and 27 in the display case 1 are closed, and the on-off valves 26 and 27 are kept closed (S9).

  Further, a stop command is issued to the controller 25a of the blower 25 in the display case 1 by the output means 39c, and the blower 25 is kept stopped (S10).

  Thus, in a state where the operation of the blower 25 is stopped and the on-off valves 26 and 27 are closed, a visitor visits the exhibition room 3, and the air in the exhibition room 3 by the visitor's passage or the like Even if the quality deteriorates, the air whose air quality has deteriorated does not enter the case main body 23 and can prevent the display 22 from being adversely affected.

  Thereafter, when the time T0 indicated by the real-time clock 37 coincides with the optimum ventilation time Ty (S11), a ventilation signal is sent to the output means 39c (S12), and the output means 39c causes the on-off valves 26 and 27 of the display case 1 to be opened. The actuators 26a and 27a are opened, and the on-off valves 26 and 27 are opened and maintained open (S13).

  Further, an operation command is issued by the output means 39c to the controller 25a of the blower 25 in the display case 1, and the blower 25 is operated so that the blown air volume becomes the air volume Vx set by the air volume setting means 36c. (S14).

At night or closed days when visitors or the like do not visit the exhibition room 3, the air in the exhibition room 3 is purified by the air conditioner 4, and the air quality is good.
The optimum ventilation time Ty determined by the optimum ventilation time determining means 39b is set when the exhibition room 3 is not used, particularly after a certain period of time has elapsed since the exhibition room 3 was not used. Therefore, when the on-off valves 26 and 27 in the display case 1 are opened and the blower 25 is activated at the optimal ventilation time Ty determined by the optimal ventilation time determining means 39b, the air in the display space S1 of the case main body 23 is Then, it is ventilated with the air in the cleaned indoor space S0.

  As a result, a small amount of emitted gas, etc. generated from a contamination source such as interior material and caulking material in the case body 23 during the period when the case body 23 was sealed is also discharged to the outside of the case body 23. While being filled with the cleaned air in the chamber 3, the emitted gas generated during the ventilation period is immediately discharged.

  Therefore, the air quality in the case main body 23 accommodating the exhibit 22 can be improved only by providing a simple ventilation device in the display case 1 itself without providing an expensive air purification device. In addition, problems such as an increase in manufacturing costs and maintenance costs can be solved.

  Thereafter, when the optimum ventilation time Ty has passed and the time T0 indicated by the real-time clock 37 does not coincide with the optimum ventilation time Ty, the process returns to step (S7), and the optimum ventilation time determining means 39b to the output means 39c, A non-ventilation signal is sent (S8), the process proceeds to steps (S9) and (S10), the on-off valves 26 and 27 are closed, and the blower 25 is stopped to enter a non-ventilated state.

  As shown in FIG. 4, in the middle of ventilation of the air in the exhibition space S1 and the air in the indoor space S0 in the display case 1 by the steps (S11) to (S14), the exhibition room 3 is detected by the human sensor 34 (S15), or the temperature and / or humidity C1 in the exhibition space S1 detected by the temperature / humidity sensor 32 and the temperature / humidity sensor 33 detect it. When the difference between the temperature in the indoor space S0 and / or the humidity C2 exceeds the set temperature / humidity difference Cx set by the temperature / humidity difference setting means 36b (| C1-C2 |> Cx) (S16) Immediately, a non-ventilation signal is sent from the optimum ventilation time determining means 39b to the output means 39c (S17), and the actuators 26a and 27a of the on-off valves 26 and 27 in the display case 1 are closed by the output means 39c. Let open and close 26 and 27 are closed, while being kept closed (S18), the output unit 39c, the stop command to the controller 25a of the blower 25 in the display case 1 is issued, the blower 25 is stopped (S19).

  Therefore, a person enters the exhibition room 3 and turbulence occurs in the air in the indoor space S0, dust or a small amount of emitted gas is generated from the clothes of the person, and the air quality of the indoor space S0 deteriorates. Even when a person enters the exhibition room 3, the human sensor 34 senses this and immediately enters a non-ventilated state. Therefore, the air in the indoor space S0 having deteriorated air quality Supply to the exhibition space S1 in the display case 1 is prevented.

  Further, it is possible to prevent the air in the exhibition space S1 from having an extremely different temperature and / or humidity from entering the exhibition space S1 and adversely affecting the exhibits in the exhibition space.

  Thereafter, the human sensor 34 is turned off (S20), and the difference between the temperature and / or humidity C1 in the exhibition space S1 and the temperature and / or humidity C2 in the indoor space S0 is determined by the temperature / humidity difference setting means 36b. It becomes equal to or smaller than the set temperature / humidity difference Cx (| C1-C2 | ≦ Cx) (S21), and further, when a predetermined delay time Td has passed (S22), the original state, ie, Return to step (S7).

  That is, at this time, when the optimum ventilation time Ty has already passed (T0 ≠ Ty) (S7), a non-ventilation signal is sent from the optimum ventilation time determining means 39b to the output means 39c (S8), and the output The actuators 39a, 27a of the on-off valves 26, 27 in the display case 1 are closed by means 39c, and the on-off valves 26, 27 are kept closed (S9). 1 is issued to the controller 25a of the blower 25, and the blower 25 is kept stopped (S10).

  In step (S7), when the time T0 indicated by the real-time clock 37 is still within the optimum ventilation time Ty (T0 = Ty), the process proceeds from step (S7) to steps (S11) to (S14). The air in the exhibition space S1 of the main body 23 is ventilated with the air in the cleaned indoor space S0.

  Thereafter, when the optimum ventilation time Ty elapses and T0 ≠ Ty, the process returns to step (S7), and the non-ventilation signal is sent from the optimum ventilation time determining means 39b to the output means 39c (S8), and step (S9). ) (S10), the on-off valves 26 and 27 are closed, and the blower 25 is stopped to enter a non-ventilated state.

  Although not shown, the display case 1 is provided with a main power switch, and when this is turned on, the flowcharts shown in FIGS. 3 and 4 start and the main power switch is turned off. In the state where the on-off valves 26 and 27 are closed, all the power supply to the display case 1 is stopped.

  Returning to FIG. 1, the display case 2 is provided along the wall surface 3 b in the display room 3, the base 40 placed on the floor surface 3 a, the base 40, and at least one of the outer peripheral portions. A case main body 43 hermetically surrounding the exhibit 42 that is formed of a transparent material and that is disposed on the display stand 41 placed on the upper surface of the base 40, and the display space S2 and the indoor space S0 of the case main body 43. Are provided in the ventilation path 44, and the air in the exhibition space S2 of the case body 43 is supplied to the indoor space S0 of the exhibition room 3, and / or the air of the indoor space S0 is supplied to the exhibition space S2. And a damper-type opening / closing valve 46 and 47 provided in the ventilation path 44 for opening and closing the ventilation path 44.

  The case main body 43 is formed of transparent glass only in the middle part in the vertical direction of the surface facing the inside of the exhibition room 3, the other is formed of an opaque material, and a lighting device (not shown) is disposed on the upper part. ing.

  The ventilation path 44 is provided in the base 40 so as to open to the upper surface of the base 40 and the inner side surface of the base 40, and the exhaust path for discharging the air in the exhibition space S2 of the case body 43 to the indoor space S0. 48 and an air supply passage 49 that is disposed in the opaque portion so as to open to the ceiling surface of the upper portion of the case main body 43 and the inner side surface of the opaque portion, and supplies the air in the indoor space S0 to the exhibition space S2. The exhaust passage 48 is provided with an opening / closing valve 46, and the air supply passage 49 is provided with an opening / closing valve 47, a blower 45, and more specifically, an air cleaning means 50 as a filter. 48 a is an exhaust port of the exhaust passage 48 provided on the side surface of the base 40, and 49 a is an intake port of the air supply passage 49 provided on the side surface of the ceiling portion of the case main body 43.

  A humidity control agent 52 is provided in the recess 51 provided in the back of the upper surface of the base 40.

  In the display case 2, the ventilation device 31 similar to that in the display case 1 is formed by the ventilation path 44 including the exhaust path 48 and the air supply path 49, the blower 45, the on-off valves 46 and 47, and the air cleaning means 50. Has been.

  The display case 2 is also provided with the same temperature and humidity sensors 32 and 33, the human sensor 34, the control device 38, and the like as in the display case 1 in the arrangement shown in FIG.

  Further, regarding the display case 2, an environment control system 35 similar to that shown in FIG. 2 is provided, and in the same manner as shown in FIGS. 3 and 4, the display case 1 is independent of the display case 1. Although the environmental control method in the display case disposed in the display room provided with the air conditioner can be carried out, the configuration and aspect thereof are the same as those described above with respect to the display case 1, so that the illustration and details are shown. The detailed explanation is omitted.

FIG. 5 is a schematic longitudinal sectional front view schematically showing the display case to which the second embodiment of the environmental control system in the display case of the present invention is applied.
This row lamp type display case 59 includes the base 20, the display stand 21, the exhibit 22, the case main body 23, the air passage 24, the blower 25, the opening / closing valves 26 and 27, and the exhaust port 28a in the display case 1 shown in FIG. The exhaust path 28 provided, the air supply path 29 provided with the intake port 29a, and the base 60, the display 61, the display 62, the case main body 63, the ventilation path 64, the blower 65, the opening / closing valve 66, which correspond to the air cleaning means 30, 67, an exhaust path 68 having an exhaust port 68a, an air supply path 69 having an intake port 69a, and an air cleaning means 70.

  However, in the display case 59, unlike the display case 1, the display space S <b> 3-the exhaust path of the case body 63 is provided by providing a bypass path 71 that connects the intermediate portions of the exhaust path 68 and the air supply path 69. 68-bypass path 71-air supply path 69-exhibition space S3, and a circulation path 72 is formed for sucking the air in the exhibition space S3 of the case body 63 and returning it to the exhibition space S3. A third open / close valve 73 having the shape is provided.

The blower 65 is provided between the end of the exhaust path 68 on the side of the exhibition space S3 and the bypass path 71, and the air cleaning means 70 is the end of the air supply path 69 on the side of the bypass path 71 and the display space S3. Between the two parts.
Further, a humidity control agent 74 is disposed between the bypass passage 71 in the air supply passage 69 and the end portion on the display space S3 side.

  According to this display case 59, in addition to the effects and effects similar to those in the display case 1, visitors can visit the exhibition room 3 and observe the exhibits 62 and the like in the display case 59. At this time, by closing the on-off valves 66 and 67, opening the on-off valve 73, and operating the blower 65, the display space S3 of the case main body 63 is not ventilated, but instead of the case main body 63 via the circulation path 72. The air in the exhibition space S3 is circulated, and the air purifying means 70 adsorbs a small amount of diffused gas generated from a contamination source in the case main body 63, thereby purifying the case main body 63.

  In the display case 59, an air passage 64 including an exhaust passage 68 and an air supply passage 69, a blower 65, on-off valves 66 and 67, an air cleaning means 70, a circulation passage 72 including a bypass passage 71, and an on-off valve 73, A ventilation device 31 is formed which is provided in the display case 59 and ventilates the air in the sealed display space S3 in the display case 59 with the air in the indoor space S0 of the display room.

  Further, the circulation path 72 including the bypass path 71, the blower 65, the air cleaning means 70, and the on-off valve 73 can circulate the air in the exhibition space S3 through the air cleaning means 70. Yes.

  Further, the display case 59 is provided with the same temperature and humidity sensors 32 and 33, the human sensor 34, the control device 38 and the like as in the display case 1 in the arrangement shown in FIG.

  The display case 59 is provided with an environment control system 35 as shown in FIG. 6, and in the form shown in FIGS. 7 and 8, the environment in the display case provided in the display room provided with the air conditioner of the present invention. A control method can be implemented.

The environment control system 35 shown in FIG. 6 is the same as the environment control system 35 shown in FIG. 2 except for the following points.
That is, in the environment control system 35 shown in FIG. 6, the input means 36 is provided with a circulation selection switch 36d, and the program control means 39 has the circulation selection switch 36d turned on, and the time indicated by the real-time clock 37. When T0 coincides with the usage time Tx of the exhibition room 3 input by the input means 36, the actuator 73a of the on-off valve 73 is opened, and the actuators 66a, 67a of the on-off valves 66, 67 are closed. In addition, a circulation operation output means 39d adapted to issue an operation command to the controller 65a of the blower 65 is provided.

The flowcharts shown in FIGS. 7 and 8 are the same as the flowcharts shown in FIGS. 3 and 4 except for the following points.
That is, as shown in FIG. 7, in step (S7), the time T0 indicated by the real time clock 37 does not coincide with the optimum ventilation time Ty, and at that time, the circulation selection switch 36d is ON ( S30), the non-ventilation and circulation signal is sent from the optimum ventilation time determining means 39b to the circulation operation output means 39d (S31), and the actuator 66a of the on-off valves 66 and 67 in the display case 59 is sent by the circulation operation output means 39d. 67a is closed, the on-off valves 66 and 67 are kept closed, the actuator 73a of the on-off valve 73 is opened, and the on-off valve 73 is kept open (S32).

  Further, the circulation operation output means 39d issues an operation command to the controller 65a of the blower 65 in the display case 59 so that the blower 65 has the air volume Vx set by the air volume setting means 36c. Operated (S33).

Thus, in the state where the on-off valves 66 and 67 are closed and the ventilation is stopped, the on-off valve 73 is opened and the blower 65 is operated, so that the air in the exhibition space S3 flows into the circulation path 72. It is circulated along and is purified by the air cleaning means 70 in the middle.
Therefore, a small amount of emitted gas newly generated from the interior material, caulking material, etc. in the sealed exhibition space S3 can be removed by the air cleaning means 70 provided in the circulation path 72.

  In step (S30), if the circulation selection switch 36d is OFF, the non-ventilation signal is output from the optimum ventilation time determining means 39b to the output means 39c as in steps (S8) to (S10) in FIG. Then, the output means 39c causes the actuators 66a, 67a, 73a of the on-off valves 66, 67, 73 in the display case 59 to be closed, and the on-off valves 66, 67, 73 are all kept closed. (S35). At this time, the on-off valve 73 may be kept open.

  Further, the output means 39c issues a stop command to the controller 65a of the blower 65 in the display case 59, and the blower 65 is maintained stopped (S36).

  Thus, in a state where the operation of the blower 65 is stopped and the on-off valves 66, 67, 73 are closed, a visitor visits the exhibition room 3, and the air in the exhibition room 3 is passed by the visitor's passage or the like. Even if the air quality deteriorates, the air whose air quality has deteriorated does not enter the case main body 63 and can prevent the display 62 from being adversely affected.

  When the time T0 indicated by the real time clock 37 coincides with the optimum ventilation time Ty (S11), a ventilation signal is sent to the output means 39c (S12), and the actuator 66a of the on-off valves 66 and 67 in the display case 59 is sent by the output means 39c. 67a is opened, the on-off valves 66 and 67 are opened and maintained open, the actuator 73a of the on-off valve 73 is closed, and the on-off valve 73 is closed and closed. It is maintained as it is (S13 ').

  Further, an operation command is issued to the controller 65a of the blower 65 in the display case 59 by the output means 39c, and the blower 65 is operated so that the blown air volume becomes the air volume Vx set by the air volume setting means 36c. (S14).

  In this state, as in the first embodiment, the air in the exhibition space S1 of the case main body 63 is ventilated with the air in the cleaned indoor space S0.

  During the ventilation, as shown in FIG. 8, in the unlikely event that a person enters the exhibition room 3, the human sensor 34 senses this (S15) or the exhibition space detected by the temperature / humidity sensor 32. The difference between the temperature and / or humidity C1 in S3 and the temperature and / or humidity C2 in the indoor space S0 detected by the temperature / humidity sensor 33 is the set temperature / humidity difference Cx set by the temperature / humidity difference setting means 36b. (| C1-C2 |> Cx) (S16), when the circulation selection switch 36d is ON (S37), the optimum ventilation time determining means is the same as in steps (S31) to (S33). 39b, a non-ventilation and circulation signal is sent to the circulation operation output means 39d (S38), and the actuators 66a and 67a of the on-off valves 66 and 67 in the display case 59 are closed by the circulation operation output means 39d. On-off valves 66, 67 Is kept closed, the actuator 73a of the on-off valve 73 is opened, the on-off valve 73 is kept open (S39), and the controller 65a of the blower 65 in the display case 59 is sent to the controller 65a by the output means 39c. An operation command is issued, and the blower 65 is operated so that the air flow becomes the air volume Vx set by the air volume setting means 36c (S40).

Thus, in the state where the on-off valves 66 and 67 are closed and the ventilation is stopped, the on-off valve 73 is opened and the blower 65 is operated, so that the air in the exhibition space S3 flows into the circulation path 72. It is circulated along and is purified by the air cleaning means 70 in the middle.
Therefore, a small amount of emitted gas newly generated from the interior material, caulking material, etc. in the sealed exhibition space S3 can be removed by the air cleaning means 70 provided in the circulation path 72.

  In step (S37), if the circulation selection switch 36d is OFF, the non-ventilation signal is sent from the optimum ventilation time determining means 39b to the output means 39c as in steps (S34) to (S36) ( S41), the actuators 66a, 67a, 73a of the on-off valves 66, 67, 73 in the display case 59 are closed by the output means 39c, and the on-off valves 66, 67, 73 are all kept closed (S41). S42).

  Further, the output means 39c issues a stop command to the controller 65a of the blower 65 in the display case 59, and the blower 65 is kept stopped (S43).

  Thus, in a state where the operation of the blower 65 is stopped and the on-off valves 66, 67, 73 are closed, a visitor visits the exhibition room 3, and the air in the exhibition room 3 is passed by the visitor's passage or the like. Even if the air quality deteriorates, the air whose air quality has deteriorated does not enter the case main body 63 and can prevent the display 62 from being adversely affected.

  Thereafter, the human sensor 34 is turned off (S20), and the difference between the temperature and / or humidity C1 in the exhibition space S3 and the temperature and / or humidity C2 in the indoor space S0 is determined by the temperature / humidity difference setting means 36b. It becomes equal to or smaller than the set temperature / humidity difference Cx (| C1-C2 | ≦ Cx) (S21), and further, when a predetermined delay time Td has passed (S22), the original state, ie, Return to step (S7).

As described above, according to the second embodiment of the environmental control system in the display case of the present invention, the blower 65 is automatically operated in a state where the display room 3 is in use and the ventilation device 31 is stopped. Then, the air in the exhibition space S3 is circulated along the circulation path 72, and the air in the exhibition space S3 being circulated is purified by the air cleaning means 70 in the middle thereof.
Therefore, a small amount of emitted gas newly generated from the interior material, caulking material, etc. in the sealed exhibition space S3 can be removed by the air cleaning means 70 provided in the circulation path 72.

  In the first to fourth embodiments of the display case of the present invention, rectifiers such as louvers are provided at the opening ends of the exhaust passages 28, 48, 68 and the supply passages 29, 49, 69, respectively. However, in order to simplify the explanation, those louvers and the like are only schematically shown in each drawing without reference numerals.

The present invention is not limited only to the above-described embodiments, and can be implemented in the following modified modes, for example, without departing from the scope of the claims.
(1) Based on the usage time of the exhibition room 3, the control device 38 determines the optimal ventilation time outside the usage time of the exhibition room 3, and controls the ventilation device 31 so that the ventilation device 31 is operated during the optimal ventilation time. To timer.
(2) A wall-type display case such as the display case 2 shown in FIG. 1 is also provided with the same circulation path 72 in the display case 59 shown in FIG. 5, and the display case of the present invention as shown in FIG. The second embodiment of the environmental control system is applied.
(3) Blowers 25, 45, 65 are provided in the exhaust passages 28, 48, 68. Alternatively, it is provided in both the exhaust passages 28, 48, 68 and the air supply passages 29, 49, 69.
(4) The exhaust port 28a and the like of the exhaust path 28 are provided so as to open on the side surface of the base 20 where the intake port 29a is provided and the side surface facing away from the side surface.

(5) An illuminance sensor (not shown) is provided in a part of the display case or in the display room, and ventilation is performed until a certain time has elapsed after the output of the illuminance sensor falls below the threshold value for turning off the illumination in the display room. Stop the operation of the device.
(6) The blower 65 provided in the circulation path 72 is omitted or left stopped, and the air circulation through the circulation path 72 is made natural circulation.
(7) The fact that the exhibition room 3 is not in use is detected when a certain period of time has elapsed since the human sensor 34 is deactivated.
(8) The input means 36 is provided with an operation mode changeover switch (not shown) that allows the ventilation device 31 to be switched to a normal stop mode, a normal operation mode, and an optimal ventilation mode, and the air volume setting means 36c When the operation mode changeover switch is set to the optimum ventilation mode, the air volume setting means 36c is set to any one of 1, 2, and 3 that does not affect the exhibit. When setting is possible and the operation mode changeover switch is always in the operation mode, the air volume setting means 36c can be strongly switched, and before putting the exhibit in the display cases 1 and 2, when performing “withering” In this normal operation mode, the air volume setting means 36c can be made strong.
(9) A protection control means (not shown) for stopping the operation of the ventilation device 31 by receiving a failure signal such as failure of the blower 13 in the air conditioner 4 or clogging of the filters 14 to 16 is provided by the control device 38. Provided.
(10) In the above item (9), when the protection control means receives the failure signal, the protection control means operates the circulation operation output means 39d to circulate the air in the exhibition space S3 through the circulation path 72. The air is purified by the air cleaning means 70.

C1 Temperature and / or humidity in the exhibition space S1 C2 Temperature and / or humidity in the indoor space S0 Cx Temperature / humidity difference S0 Indoor space S1, S2, S3 Exhibition space T0 Time indicated by the real-time clock 37 Tx Usage time Ty Optimal ventilation time Td delay time 1, 2 display case 3 exhibition room 3a floor surface 3b wall surface 4 air conditioner 5 body 6 return air duct 7 air supply duct 8 outside air introduction pipe 9 exhaust pipe 10 circulation path 11 heat exchanger 12 air purifier 13 blower 14 Pre-filter 15 Medium performance filter 16 Chemical filter 20 Base 21 Exhibition stand 22 Exhibit 23 Case body 24 Air passage 25 Blower 25a Controller 26, 27 On-off valve 26a, 27a Actuator 28 Exhaust passage 28a Exhaust port 29 Intake passage 29a Intake port 30 Air Cleaner 31 Ventilator 32, 33 Temperature / Humidity Sensor 34 Human Sensation Sensor 35 Environmental control system 36 Input means 36a Usage time setting means 36b Temperature / humidity difference setting means 36c Air volume setting means 36d Circulation selection switch 37 Real time clock 38 Controller 39 Program control means 39a Memory 39b Optimal ventilation time determination means 39c Output means 39d Circulation Actuation output means 40 Base 41 Exhibition stand 42 Exhibit 43 Case body 44 Ventilation path 45 Blowers 46, 47 On-off valve 48 Exhaust path 48a Exhaust port 49 Air supply path 49a Inlet port 50 Air purifying means 51 Recess 52 Hygroscopic agent 59 Display case 60 Base 61 Display stand 62 Exhibit 63 Case body 64 Ventilation path 65 Blower 65a Controller 66, 67 Open / close valve 66a, 67a Actuator 68 Exhaust path 68a Exhaust port 69 Supply path 69a Inlet port 70 Air purifying means 71 Bypass path 72 Circulation path 73 On-off valve 7 a actuator 74 humidity control agent

Claims (8)

  When using an exhibition room equipped with an air conditioner, the exhibition space in the exhibition case disposed in the exhibition room is sealed, and when the exhibition room is not used, the air in the exhibition space is replaced with the air in the indoor space of the exhibition room. An environmental control method in an exhibition case arranged in an exhibition room equipped with an air conditioner, characterized by ventilating.   2. The display room equipped with an air conditioner according to claim 1, wherein ventilation of the display space is started after elapse of more than the purification time in the display room by the air conditioner after the display room is not in use. Environmental control method in the display case.   The ventilation of the exhibition space is ended before the exhibition room is in the next use state, and ventilation is started by back-calculating a predetermined ventilation time from the end time. An environmental control method in an exhibition case arranged in an exhibition room provided with an air conditioner.   A circulation path for circulating the air in the exhibition space through the air cleaning means is provided in the display case, and the air in the exhibition space is circulated along the circulation path in a state where the exhibition space is blocked from the indoor space. The environmental control method in the display case arrange | positioned in the display room provided with the air conditioner in any one of Claims 1-3 characterized by these. An environmental control system in an exhibition case arranged in an exhibition room equipped with an air conditioner,
A ventilator provided in the display case and for ventilating the air in the sealed display space in the display case with the air in the indoor space of the display room;
And a control device that controls the ventilation device so as to determine an optimal ventilation time outside the usage time of the exhibition room based on the usage time of the exhibition room and to operate the ventilation device during the optimal ventilation time. An environmental control system in an exhibition case arranged in an exhibition room equipped with an air conditioner. An environmental control system in an exhibition case arranged in an exhibition room equipped with an air conditioner,
A ventilator provided in the display case and for ventilating the air in the sealed display space in the display case with the air in the indoor space of the display room;
An input means for setting the usage time of the exhibition room;
Real time clock,
A control device for controlling the operation of the ventilation device;
The control device includes: an optimal ventilation time determining means for determining an optimal ventilation time outside the usage time of the exhibition room based on the usage time of the exhibition room input by the input means; and a time indicated by the real-time clock. And environmental control in an exhibition case arranged in an exhibition room provided with an air conditioner, comprising program control means having output means for operating the ventilator when the optimum ventilation time is reached. system.   The exhibition case is provided with a circulation path for circulating the air in the exhibition space through the air cleaning means, and the ventilator is provided with an opening / closing valve for opening and closing the opening communicating with the outside of the exhibition case, and the program control means is provided in real time. When the time indicated by the clock coincides with the usage time of the exhibition room input by the input means, the circulation operation output means is provided to close the on-off valve and perform air circulation through the circulation path. An environmental control system in an exhibition case disposed in an exhibition room comprising the air conditioner according to claim 6.   A first temperature / humidity sensor for detecting the temperature and / or humidity is provided in the indoor space, a second temperature / humidity sensor for detecting the temperature and / or humidity is provided in the exhibition space, and the control device includes a first temperature / humidity sensor. Temperature / humidity difference control means for stopping the operation of the ventilator when the difference between the temperature or humidity detected by the temperature / humidity sensor and the temperature / humidity detected by the second temperature / humidity sensor becomes larger than a preset value. The environmental control system in the display case arrange | positioned in the display room provided with the air conditioner in any one of Claims 5-7 provided.

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