CN111012114A - Constant-temperature and constant-humidity display cabinet and control method thereof - Google Patents
Constant-temperature and constant-humidity display cabinet and control method thereof Download PDFInfo
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- CN111012114A CN111012114A CN201911291651.XA CN201911291651A CN111012114A CN 111012114 A CN111012114 A CN 111012114A CN 201911291651 A CN201911291651 A CN 201911291651A CN 111012114 A CN111012114 A CN 111012114A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/005—Show cases or show cabinets with glass panels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/001—Devices for lighting, humidifying, heating, ventilation
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0478—Control or safety arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a constant temperature and humidity showcase and a control method thereof, wherein the constant temperature and humidity showcase comprises: the air conditioning system comprises an air conditioning unit, an air supply pipe and a return air pipe; the air conditioning unit is used for acquiring a temperature and humidity value detected by the temperature and humidity sensor and carrying out constant temperature and humidity control according to the temperature and humidity value; and the air supply pipe and the air return pipe are respectively used for supplying air and returning air to the display cabinet area. The constant-temperature and constant-humidity display cabinet disclosed by the invention adopts an integrated design of the display cabinet and the air conditioning unit, so that the airtightness of the display cabinet is favorably improved, the installation and construction difficulty is reduced, the influence of construction on the whole structure of the display cabinet is reduced, and the on-site construction period is favorably shortened; the constant-temperature constant-humidity display cabinet can reduce the damage of environmental factors to cultural relics to the maximum extent, is favorable for preventing the cultural relics from being damaged, and achieves the purpose of storing the cultural relics for a long time.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a constant-temperature and constant-humidity display cabinet and a control method thereof.
Background
Cultural relics in museums comprise paper cultural relics, porcelain, bronze ware and the like, the control of the temperature and the humidity in the exhibition cabinet is always used as the primary condition for controlling the cultural relic preservation environment in the museums, the standard of the cultural relic preservation environment in partial areas at present is that the temperature is required to be 18-22 +/-2 ℃, the humidity is required to be 35-65 +/-5%, and the humidity is required to be less than 45% in the preservation environment of iron and bronze. The change of temperature or humidity not only brings the weakening of physical strength of the cultural relic and the deformation which cannot be recovered, but also plays a direct role and an indirect synergistic effect in the damaged processes of corrosion, mildew and the like of the cultural relic.
In the prior art, an air conditioning unit is usually additionally arranged in an existing display cabinet, the installation process consumes time and labor, and the airtightness of the display cabinet is affected once the structure of the display cabinet is damaged in the process of installing the air conditioning unit; because the length of part of the showcase is longer, the temperature distribution in the showcase is uneven, and the long-term storage of cultural relics in the showcase is influenced; in addition, the humiture monitoring point of air conditioner is located return air department mostly in the present showcase, but the humiture monitoring value of return air department only reflects the state of air conditioning unit return air department, and the actual conditions with in the showcase has the deviation, is not suitable as the basis of control.
Disclosure of Invention
In view of this, the present invention provides a constant temperature and humidity showcase and a control method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: a constant temperature and humidity showcase, comprising:
a cabinet body;
the first display cabinet internal partition plate is arranged in the cabinet body and divides the cabinet body into a display cabinet area and an air conditioning area;
the temperature and humidity sensor is arranged in the showcase area;
the air conditioning system comprises an air conditioning unit, an air supply pipe and a return air pipe;
the air conditioning unit is arranged in the air conditioning area and used for acquiring a temperature and humidity value detected by the temperature and humidity sensor and performing constant temperature and humidity control according to the temperature and humidity value;
the air supply pipe and the air return pipe penetrate through the display cabinet area, are connected with the air conditioning unit and are used for conveying air supply and air return respectively.
Optionally, the air supply pipe is located at the upper end of the showcase area, and the air supply pipe is communicated with an air supply outlet of the air conditioning unit;
the air return pipe is located at the lower end of the showcase area and communicated with an air return opening of the air conditioning unit.
Optionally, a plurality of monitoring points are arranged in the showcase region at different distances from the air conditioning unit;
the temperature and humidity sensors are arranged on each monitoring point and used for collecting temperature and humidity values of the monitoring points.
Optionally, the monitoring points include: the monitoring system comprises a first monitoring point, a second monitoring point and a third monitoring point;
the first monitoring point is a farthest point away from the air conditioning unit, the second monitoring point is a closest point away from the air conditioning unit, and the third monitoring point is a middle point between the first monitoring point and the second monitoring point.
Optionally, the showcase further includes:
the second display cabinet internal partition plate is arranged at the upper end of the display cabinet area;
the third display cabinet internal partition plate is arranged at the lower end of the display cabinet area and is parallel to the second display cabinet internal partition plate;
the inside baffle of second showcase with the inside baffle of third showcase will the showcase region is cut apart into three subregion, wherein, the blast pipe runs through to be located in first subregion, the return air pipe runs through to be located in the second subregion, the third subregion is used for placing the showpiece.
Optionally, a plurality of branch air pipes are further arranged on the air supply pipe and the air return pipe, one ends of the branch air pipes are communicated with the air supply pipe or the air return pipe, the other ends of the branch air pipes are air ports of the branch air pipes, and the air ports of the branch air pipes are communicated with the third sub-area;
and an air valve is also arranged at one end of the branch air pipe.
Optionally, the air opening of the first branch air pipe is an adjustable double-layer shutter air opening; and/or the presence of a gas in the gas,
the air ports of the second branch air pipes are adjustable single-layer shutter air ports;
wherein, the first branch tuber pipe is: the branch air pipe is communicated with the air supply pipe; the second branch air pipe comprises: and the branch air pipe is communicated with the air return pipe.
Optionally, a plenum box is further disposed at a communication position between the air supply pipe and the air supply outlet, and a communication position between the return air pipe and the return air inlet.
Optionally, the showcase further includes:
if the temperature and humidity sensors are multiple, the air conditioning unit is specifically configured to:
and calculating the average value of the temperature and humidity values detected by the temperature and humidity sensors, and performing constant temperature and humidity control according to the average value.
The invention also provides a control method of the constant temperature and humidity showcase, which comprises the following steps:
acquiring temperature and humidity values inside the showcase;
carrying out constant temperature and humidity control according to the temperature and humidity value;
wherein, acquire the inside humiture value of showcase, include:
acquiring temperature and humidity values of a plurality of monitoring points at different distances between the inside of the showcase and the air conditioning unit;
and calculating the average value of the temperature and humidity values of the plurality of monitoring points, and taking the average value as the temperature and humidity value in the display cabinet.
Optionally, the controlling constant temperature and humidity according to the temperature and humidity value includes:
if the temperature and humidity values in the showcase are in respective preset ranges, adjusting the air conditioning unit to operate in a frequency reduction mode;
otherwise, the air conditioning unit keeps running at the current frequency until the temperature and humidity values in the showcase are all in respective preset ranges.
By adopting the technical scheme, the constant-temperature constant-humidity display cabinet comprises: a cabinet body; the first display cabinet internal partition plate is arranged in the cabinet body and divides the cabinet body into a display cabinet area and an air conditioning area; the temperature and humidity sensor is arranged in the showcase area; the air conditioning system comprises an air conditioning unit, an air supply pipe and a return air pipe; the air conditioning unit is arranged in the air conditioning area and used for acquiring a temperature and humidity value detected by the temperature and humidity sensor and performing constant temperature and humidity control according to the temperature and humidity value; the air supply pipe and the air return pipe penetrate through the display cabinet area, are connected with the air conditioning unit and are used for conveying air supply and air return respectively. The constant-temperature and constant-humidity display cabinet disclosed by the invention is designed by integrating the display cabinet and the air conditioning unit, and the air supply and return pipes and the air supply and return openings are reserved by a manufacturer before the display cabinet and the air conditioning unit leave a factory, so that the display cabinet and the air conditioning unit are quickly spliced on site, the overall appearance of the display cabinet is not influenced, the airtightness of the display cabinet is favorably improved, the mounting and construction difficulty is reduced, the influence of construction on the overall structure of the display cabinet is reduced, and the on-site construction period is favorably shortened; the constant-temperature constant-humidity display cabinet can reduce the damage of environmental factors to cultural relics to the maximum extent, is favorable for preventing the cultural relics from being damaged, and achieves the purpose of storing the cultural relics for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the constant temperature and humidity showcase of the present invention;
FIG. 2 is a schematic structural diagram of an air supply subsystem of the constant temperature and humidity showcase of the present invention;
FIG. 3 is a schematic view of the structure of the air return subsystem of the constant temperature and humidity display cabinet of the present invention;
fig. 4 is a schematic flow chart provided by the control method of the constant temperature and humidity showcase of the present invention.
In the figure: 1. a cabinet body; 2. a first showcase inner partition plate; 3. a temperature and humidity sensor; 4. an air conditioning unit; 5. an air supply pipe; 6. a return air duct; 7. a second showcase inner partition plate; 8. a partition board inside the third showcase; 9. an air valve; 10. a first branch air duct; 11. the double-layer shutter air port can be adjusted; 12. a second branch air duct; 13. the single-layer louver air opening can be adjusted; 14. and (4) a static pressure box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1 to fig. 3, the constant temperature and humidity showcase of the present embodiment includes:
a cabinet body 1;
the first display cabinet internal partition plate 2 is arranged in the cabinet body 1 and divides the cabinet body 1 into a display cabinet area and an air conditioning area;
the temperature and humidity sensor 3 is arranged in the showcase area;
the air conditioning system comprises an air conditioning unit 4, an air supply subsystem and an air return subsystem;
the air supply system comprises an air supply pipe 5, and the air return system comprises an air return pipe 6;
the air conditioning unit 4 is arranged in the air conditioning area and used for acquiring a temperature and humidity value detected by the temperature and humidity sensor 3 and performing constant temperature and humidity control according to the temperature and humidity value;
the air supply pipe 5 and the air return pipe 6 penetrate through the display cabinet area, are connected with the air conditioning unit 4 and are used for conveying air supply and air return respectively.
Further, the air supply pipe 5 is positioned at the upper end of the showcase area, and the air supply pipe 5 is communicated with an air supply outlet of the air conditioning unit 4;
the air return pipe 6 is located at the lower end of the showcase area, and the air return pipe 6 is communicated with an air return opening of the air conditioning unit 4.
Furthermore, a plurality of monitoring points are arranged in the showcase area at different distances from the air conditioning unit 4;
the temperature and humidity sensors 3 are multiple and are respectively arranged on each monitoring point, and the temperature and humidity sensors 3 are used for collecting temperature and humidity values of the monitoring points.
Further, the monitoring points comprise: the monitoring system comprises a first monitoring point, a second monitoring point and a third monitoring point;
the first monitoring point is a farthest point away from the air conditioning unit 4, the second monitoring point is a closest point away from the air conditioning unit 4, and the third monitoring point is a middle point between the first monitoring point and the second monitoring point.
Further, the showcase further includes:
the second display cabinet internal partition plate 7 is arranged at the upper end of the display cabinet area;
the third display cabinet internal partition plate 8 is arranged at the lower end of the display cabinet area and is parallel to the second display cabinet internal partition plate 7;
the inside baffle 7 of second showcase with the inside baffle 8 of third showcase will the showcase region is cut apart into three subregion, wherein, blast pipe 5 runs through to be located in first subregion, return air pipe 6 runs through to be located in the second subregion, the third subregion is used for placing the showpiece.
Furthermore, a plurality of branch air pipes are arranged on the air supply pipe 5 and the air return pipe 6, one ends of the branch air pipes are communicated with the air supply pipe 5 or the air return pipe 6, the other ends of the branch air pipes are air ports of the branch air pipes, and the air ports of the branch air pipes are communicated with the third sub-area;
and an air valve 9 is also arranged at one end of the branch air pipe.
Further, the air ports of the first branch air pipes 10 are adjustable double-layer louver air ports 11; and/or the presence of a gas in the gas,
the air ports of the second branch air pipes 12 are adjustable single-layer louver air ports 13;
wherein, the first branch air duct 10 is: a branch air pipe communicated with the air supply pipe 5; the second branch air duct 12 is: and the branch air pipe is communicated with the air return pipe 6.
Furthermore, a static pressure box 14 is arranged at the communication position of the blast pipe 5 and the blast opening and the communication position of the return air pipe 6 and the return air inlet.
Further, the showcase further includes:
if the temperature and humidity sensors 3 are multiple, the air conditioning unit 4 is specifically configured to:
and calculating an average value of temperature and humidity values detected by the temperature and humidity sensors 3, and performing constant temperature and humidity control according to the average value.
The constant temperature and humidity showcase of this embodiment adopt the humiture in the constant temperature and humidity air conditioning unit 4 control showcase, air conditioning unit 4 possesses four kinds of functions of independent refrigeration, heating, humidification, dehumidification, can accurate regulation ambient temperature and humidity, realizes the precision control of temperature 0.5 ℃, humidity 5% in the showcase region.
The constant temperature and humidity display cabinet adopts an upper air supply and lower air return flow organization mode, and air treated by the air conditioning unit 4 is sent to a display cabinet area through the static pressure box 14 and the air supply pipe 5; the air in the showcase area is sent back to the air conditioning unit 4 through the air return pipe 6 and the static pressure box 14. In order to achieve uniform flow field and stable temperature and humidity field, the air supply speed of the air conditioning unit 4 is controlled within the range of 0.25-0.35 m/s, and the value is an empirical value and can be adjusted according to specific use scenes. The inside return air of showcase is through constant temperature and humidity unit surface cold treatment to the machine dew point, after removing the moisture load, sends into the surplus humidity of waste heat in the inside absorption showcase space of showcase region, air conditioning unit 4 acquires the humiture value in the showcase region automatically, and according to humiture value control unit condenser reheat recovery, carries out the precision control by electrical heating to guarantee the regional interior constant temperature and humidity requirement of showcase, the concrete constant temperature and humidity control method of air conditioning unit 4 adopts prior art.
In this embodiment, the air ports of the branch air pipes are adjustable double-layer louver air ports 11 or adjustable single-layer louver air ports 13, and an air valve 9 is further disposed at one end of each branch air pipe to ensure that the air supply volume of each air port is uniform, so that the whole air flow inside the showcase is uniformly distributed.
This embodiment constant temperature and humidity showcase with the humiture monitoring point setting inside the showcase, respectively with air conditioning unit 4 is farthest, nearest and middle distance department sets up three monitoring point, get the humiture monitoring value's of three monitoring point average value as the inside temperature and humidity value of showcase, thereby makes air conditioning unit 4 carries out temperature and humidity control. This setting is located return air department with the humiture monitoring point of current most unit and compares, and the actual conditions in the performance showcase that can be more accurate is favorable to realizing the accurate control of the humiture to the showcase internal environment.
The embodiment carries out air conditioning system design to the showcase, for guaranteeing that historical relic/showpiece are in certain temperature, humidity environment, does not produce violent humiture fluctuation round the clock, constant temperature and humidity air conditioning unit 4 in the showcase needs 24 hours uninterrupted operation all the year round. The high-precision temperature and humidity sensor 3, the reasonable air flow organization form and the control method are adopted, so that the damage of the cultural relics is effectively prevented, and the purpose of preserving the cultural relics for a long time is achieved.
The constant-temperature and constant-humidity display cabinet adopts the integrated design of the display cabinet and the air conditioning unit 4, so that the airtightness of the display cabinet is improved, the installation and construction difficulty is reduced, the influence of construction on the whole structure of the display cabinet is reduced, and the on-site construction period is shortened; the embodiment adopts constant temperature and humidity showcase can furthest slow down the destruction of environmental factor to the historical relic, is favorable to preventing that the historical relic is impaired, reaches the purpose of preserving the historical relic for a long time.
Fig. 4 is a schematic flow chart provided by the control method of the constant temperature and humidity showcase of the present invention.
As shown in fig. 4, the method for controlling a constant temperature and humidity display cabinet in this embodiment includes:
s41: acquiring temperature and humidity values inside the showcase;
further, acquire inside humiture value of showcase, include:
acquiring temperature and humidity values of a plurality of monitoring points at different distances between the inside of the showcase and the air conditioning unit;
respectively calculate the temperature average value and the humidity average value of a plurality of monitoring points, and will the temperature average value with the humidity average value is as inside temperature value and the humidity value of showcase.
In actual use, the number of the monitoring points is three and is corresponding, in the display cabinet area, three temperature and humidity sensors are arranged at different distances from the air conditioning unit, a first temperature and humidity sensor is arranged at the farthest position from the air conditioning unit, a second temperature and humidity sensor is arranged at the nearest position from the air conditioning unit, a third temperature and humidity sensor is arranged at the middle point position of the first temperature and humidity sensor and the middle point position of the second temperature and humidity sensor, the average value of the temperature and humidity monitoring values of the three temperature and humidity sensors is taken as the temperature and humidity value inside the display cabinet, and therefore the air conditioning unit is subjected to temperature and humidity control.
S42: judging whether the temperature value and the humidity value in the showcase are both in respective preset ranges;
s43: if the temperature value and the humidity value in the showcase are both in respective preset ranges, the air conditioning unit is adjusted to perform frequency reduction operation so as to maintain the constant temperature and humidity condition in the showcase;
s44: otherwise, the air conditioning unit keeps running at the current frequency until the constant temperature and humidity conditions in the display cabinet are met, namely the temperature value and the humidity value in the display cabinet are both in respective preset ranges.
The working principle of the control method of the constant temperature and humidity showcase in this embodiment refers to the above description, and is not described herein again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. The utility model provides a constant temperature and humidity showcase which characterized in that includes:
a cabinet body;
the first display cabinet internal partition plate is arranged in the cabinet body and divides the cabinet body into a display cabinet area and an air conditioning area;
the temperature and humidity sensor is arranged in the showcase area;
the air conditioning system comprises an air conditioning unit, an air supply pipe and a return air pipe;
the air conditioning unit is arranged in the air conditioning area and used for acquiring a temperature and humidity value detected by the temperature and humidity sensor and performing constant temperature and humidity control according to the temperature and humidity value;
the air supply pipe and the air return pipe penetrate through the display cabinet area, are connected with the air conditioning unit and are used for conveying air supply and air return respectively.
2. The constant-temperature and constant-humidity display cabinet as claimed in claim 1, wherein the air supply pipe is positioned at the upper end of the display cabinet area, and the air supply pipe is communicated with an air supply outlet of the air conditioning unit;
the air return pipe is located at the lower end of the showcase area and communicated with an air return opening of the air conditioning unit.
3. The constant-temperature and constant-humidity display cabinet as claimed in claim 1, wherein a plurality of monitoring points are arranged in the display cabinet area at different distances from the air conditioning unit;
the temperature and humidity sensors are arranged on each monitoring point and used for collecting temperature and humidity values of the monitoring points.
4. The constant temperature and humidity cabinet according to claim 3, wherein the monitoring points comprise: the monitoring system comprises a first monitoring point, a second monitoring point and a third monitoring point;
the first monitoring point is a farthest point away from the air conditioning unit, the second monitoring point is a closest point away from the air conditioning unit, and the third monitoring point is a middle point between the first monitoring point and the second monitoring point.
5. The constant temperature and humidity showcase of claim 1, further comprising:
the second display cabinet internal partition plate is arranged at the upper end of the display cabinet area;
the third display cabinet internal partition plate is arranged at the lower end of the display cabinet area and is parallel to the second display cabinet internal partition plate;
the inside baffle of second showcase with the inside baffle of third showcase will the showcase region is cut apart into three subregion, wherein, the blast pipe runs through and is located first subregion, the return air pipe runs through and is located the second subregion, and the third subregion is used for placing the showpiece.
6. The constant temperature and humidity showcase of claim 5, wherein a plurality of branch air ducts are further provided on the air supply duct and the air return duct, one end of each branch air duct is communicated with the air supply duct or the air return duct, the other end of each branch air duct is an air opening of the branch air duct, and the air openings of the branch air ducts are communicated with the third sub-area;
and an air valve is also arranged at one end of the branch air pipe.
7. The constant temperature and humidity showcase of claim 6, wherein the air opening of the first branch air duct is an adjustable double-layer louver air opening; and/or the presence of a gas in the gas,
the air ports of the second branch air pipes are adjustable single-layer shutter air ports;
wherein, the first branch tuber pipe is: the branch air pipe is communicated with the air supply pipe; the second branch air pipe comprises: and the branch air pipe is communicated with the air return pipe.
8. The constant temperature and humidity showcase according to claim 2, wherein static pressure boxes are further provided at a communication position of the blast pipe and the blast opening, and at a communication position of the return air pipe and the return air opening.
9. The constant temperature and humidity showcase according to any one of claims 1 to 8, further comprising:
if the temperature and humidity sensors are multiple, the air conditioning unit is specifically configured to:
and calculating the average value of the temperature and humidity values detected by the temperature and humidity sensors, and performing constant temperature and humidity control according to the average value.
10. A control method of a constant temperature and humidity showcase is characterized by comprising the following steps:
acquiring temperature and humidity values inside the showcase;
carrying out constant temperature and humidity control according to the temperature and humidity value;
wherein, acquire the inside humiture value of showcase, include:
acquiring temperature and humidity values of a plurality of monitoring points at different distances between the inside of the showcase and the air conditioning unit;
and calculating the average value of the temperature and humidity values of the plurality of monitoring points, and taking the average value as the temperature and humidity value in the display cabinet.
11. The control method according to claim 10, wherein the performing constant temperature and humidity control according to the temperature and humidity value includes:
if the temperature and humidity values in the showcase are in respective preset ranges, adjusting the air conditioning unit to operate in a frequency reduction mode;
otherwise, the air conditioning unit keeps running at the current frequency until the temperature and humidity values in the showcase are all in respective preset ranges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911291651.XA CN111012114A (en) | 2019-12-16 | 2019-12-16 | Constant-temperature and constant-humidity display cabinet and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911291651.XA CN111012114A (en) | 2019-12-16 | 2019-12-16 | Constant-temperature and constant-humidity display cabinet and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932193A (en) * | 2021-03-08 | 2021-06-11 | 浙江省博物馆 | Historical relic showcase air current distributor |
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