A smart temperature and humidity control cabinet for long-term preservation of ancient books

Abstract

This invention discloses an intelligent constant temperature and humidity hardware cabinet for the long-term preservation of ancient books, belonging to the technical field of ancient book and document preservation equipment. The cabinet adopts a partitioned, independent storage design, with each storage space equipped with a drawer-type airtight structure. Airtight sealing is achieved through magnetic sealing strips and locking handles, and the closure status is accurately detected using magnetic sensors. When the drawer is fully closed, the controller can activate temperature control, humidity adjustment, and gas circulation components based on real-time data collected by the detection components. This allows for independent temperature and humidity control and low-oxygen replacement in each storage space. This partitioned control mode effectively avoids disturbance to the environment of other storage spaces when ancient books are retrieved or placed, significantly improving the stability and safety of the long-term preservation environment for ancient books, while simultaneously reducing energy consumption and nitrogen consumption.

Description

Technical Field

[0001] This invention relates to the field of ancient book and document preservation equipment, specifically an intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books. Background Technology

[0002] Ancient books are typically composed of paper, thread-bound materials, plant fibers, adhesives, and ink, and their materials are quite sensitive to the preservation environment. During long-term storage, significant fluctuations in temperature and humidity can easily lead to paper brittleness, deformation, mold, insect infestation, or ink diffusion. High oxygen levels in the air can also accelerate the oxidation and aging of paper fibers and some organic components, affecting the lifespan of the ancient books. Therefore, libraries, archives, museums, and private collections usually require temperature and humidity control equipment to provide a relatively stable preservation environment for ancient books.

[0003] Most existing temperature and humidity control cabinets adopt a one-piece cabinet structure, with multiple ancient book storage areas typically located within the same preservation space. When staff need to retrieve one or a small number of ancient books, the entire cabinet door often needs to be opened, allowing outside air to quickly enter the cabinet. This causes fluctuations in the overall temperature, humidity, and gas environment, affecting not only the area being retrieved but also the other unretrieved books. For precious ancient books requiring long-term stable preservation, the environmental disturbance caused by frequent cabinet opening reduces the preservation effect.

[0004] Furthermore, existing equipment typically only monitors and adjusts the overall environment of the cabinet, making it difficult to independently control the preservation status of ancient books in different storage spaces. When humidity is too high, oxygen concentration is elevated, or the sealing condition is abnormal in a certain area, traditional equipment struggles to identify and adjust it in a timely manner, easily leading to energy waste or delayed regulation. Additionally, existing cabinets may still initiate gas circulation or replenishment processes when drawers or doors are not fully closed, resulting in nitrogen leakage, reduced temperature and humidity regulation efficiency, and further impacting the stability of the ancient book preservation environment.

[0005] Therefore, it is necessary to provide an intelligent constant temperature and humidity cabinet for the long-term preservation of ancient books that can realize zoned sealing, zoned detection, zoned gas circulation, and closed-state linkage control, in order to solve the problems of large disturbances during handling, weak local control capabilities, and unstable low-oxygen preservation environment of existing integrated constant temperature and humidity cabinets. Summary of the Invention

[0006] The purpose of this invention is to provide an intelligent constant temperature and humidity hardware cabinet for the long-term preservation of ancient books, so as to solve the problems raised in the prior art.

[0007] To achieve the above objectives, this invention provides the following technical solution: The main body of the constant temperature cabinet is divided into several independent storage spaces, each forming a relatively independent sealed preservation chamber through a drawer-type airtight structure. Each drawer uses a magnetic flexible sealing strip in conjunction with a mechanical locking handle to form a micro-positive pressure sealing structure, with the closed state detected by a magnetic induction device. When the drawer is not fully closed, the corresponding electronically controlled valve of the storage space remains closed to prevent nitrogen leakage and environmental fluctuations. When the drawer is closed and locked, the controller activates the temperature control component, humidity adjustment component, and gas circulation component based on temperature, humidity, and oxygen concentration data collected by the detection components, independently regulating each storage space to achieve a low-oxygen, constant-temperature, and constant-humidity environment. Through zoned gas circulation and closed-loop linkage control, the removal or placement of ancient books in one or a few drawers will not affect the preservation environment of other storage spaces, thus ensuring the long-term stable preservation of ancient books.

[0008] The constant temperature cabinet body has several storage spaces, each of which is equipped with a sealed structure. A locking structure is provided between the sealed structure and the constant temperature cabinet body. The constant temperature cabinet body is equipped with a temperature control component, a humidity control component, a gas circulation component, and several detection components. The detection components cooperate with the sealed structure and the storage spaces. The temperature control component cooperates with each sealed structure. The gas circulation component cooperates with each sealed structure. The locking structure and the gas circulation component are respectively connected to the controller via electrical signals.

[0009] Furthermore, the gas circulation assembly includes a nitrogen storage cylinder, a micro air pump, an adjustment chamber, a gas supply pipe, a gas return pipe, a gas supply interface, and a gas return interface. The micro air pump is installed below the main body of the constant temperature cabinet and is electrically connected to the controller. The micro air pump is equipped with a gas replenishment valve and is connected to the nitrogen storage cylinder through the gas replenishment valve. A gas return pipe is installed at the input end of the micro air pump, and a gas supply pipe is installed at the output end of the micro air pump. The gas supply pipe is connected to the adjustment chamber, which houses the temperature control component and the humidity control component. The gas supply pipe is connected to the gas supply interface corresponding to each storage space through several gas supply branch pipes, and the gas return pipe is connected to the gas return interface corresponding to each storage space through several gas return branch pipes. Electrically controlled valves connected to the controller are installed on the gas supply branch pipes and the gas return branch pipes to achieve zoned gas supply and zoned gas return for different storage spaces.

[0010] Furthermore, the locking structure includes a locking handle, a magnetic sealing strip, and a magnetic sensing element. The locking handle is installed on the outside of the sealed structure, the magnetic sealing strip is disposed inside the sealed structure, and the storage space is provided with a magnetic sensing element. When the sealed structure enters the storage space, the magnetic sealing strip and the magnetic sensing element cooperate.

[0011] Furthermore, the magnetic sensing element is used to detect the position of the magnetic sealing strip. When the sealing structure is not completely closed, the magnetic sensing element cannot detect the preset magnetic field signal of the magnetic sealing strip, and the controller controls the electronically controlled valve of the corresponding storage space to remain closed. When the sealed structure is fully closed and locked by the locking structure, the magnetic induction element detects the preset magnetic field signal of the magnetic sealing strip, or the detected magnetic field strength reaches the preset threshold, and sends a closing completion signal to the controller. The controller opens the electric control valve of the corresponding storage space according to the real-time environmental parameters collected by the detection component, and at the same time controls the temperature control component, humidity adjustment component and gas circulation structure to work.

[0012] Furthermore, the sealed structure includes a drawer and a slide rail. The drawer has sliders on both sides, and slide rails are provided on both horizontal sides inside the storage space. The drawer is slidably connected to the storage space through the slide rails. The magnetic sealing strip is installed at the front end of the drawer. When the drawer is pushed into the storage space, it forms an airtight connection with the main body of the constant temperature cabinet. The drawer has a breathable support plate inside.

[0013] Furthermore, the detection components include temperature sensors, humidity sensors, and oxygen concentration detectors distributed in each storage space. The detection components are periodically installed on the inner wall of the sealed structure to obtain environmental parameters at different height positions within the corresponding sealed storage cavity.

[0014] Furthermore, the temperature control component includes a thermoelectric cooler, cooling fins, heat dissipation fins, and a fan. The thermoelectric cooler is mounted on the main body of the constant temperature cabinet. The cold end of the thermoelectric cooler is provided with cooling fins, which are installed in the regulating chamber. The hot end of the thermoelectric cooler is provided with heat dissipation fins, which are installed on the outside of the main body of the constant temperature cabinet. A fan is mounted on the heat dissipation fins.

[0015] Furthermore, the humidity regulating component includes an ultrasonic humidifier and an atomizing tube. The ultrasonic humidifier is equipped with an atomizing tube, and a one-way valve is installed inside the atomizing tube. The output end of the ultrasonic humidifier is connected to the regulating chamber through the atomizing tube.

[0016] Furthermore, the main body of the constant temperature cabinet includes an inner layer plate, an outer layer plate, and an insulation layer disposed between the inner layer plate and the outer layer plate. The inner layer plate is a stainless steel plate or a corrosion-resistant coated steel plate, the outer layer plate is a cold-rolled steel plate, and the insulation layer is at least one of a polyurethane foam layer, a vacuum insulation board, or an aerogel insulation layer. The air supply interface, air return interface, sensor mounting hole, cable penetration hole, and drain pipe penetration hole are all provided with sealing elements.

[0017] Furthermore, a control panel is provided on the outside of the constant temperature cabinet body, and the controller is electrically connected to the locking structure, temperature control component, humidity adjustment component, gas circulation component and detection component respectively.

[0018] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention sets up several storage spaces inside the constant temperature cabinet and sets up a drawer-type airtight structure in each storage space, so that each storage space can form a relatively independent airtight preservation chamber. When only a certain layer or a certain ancient book needs to be taken out, only the corresponding drawer needs to be opened, without disturbing the stable temperature, humidity and low oxygen environment in other storage spaces, thereby reducing the environmental impact caused by opening the whole cabinet and improving the stability of long-term preservation of ancient books.

[0019] 2. This invention uses a magnetic sealing strip, a locking handle, and a magnetic induction element to achieve an airtight seal after the drawer is closed, and automatically detects whether the sealing structure is completely closed and locked. When the sealing structure is not fully closed, the controller controls the corresponding electronic valve to remain closed, preventing nitrogen leakage and outside air from entering the corresponding storage space. This ensures that gas circulation and low-oxygen replacement processes are carried out only under a reliable sealed condition, improving the safety and control reliability of the storage environment.

[0020] 3. This invention, through the coordinated design of nitrogen storage cylinders, micro air pumps, regulating chambers, air supply pipes, air return pipes, electronically controlled valves, temperature control components, humidity regulation components, and detection components, can perform zoned air supply, zoned air return, temperature and humidity regulation, and low-oxygen replacement based on temperature, humidity, and oxygen concentration data in each storage space. This allows for rapid restoration of the preservation environment in localized abnormal spaces without requiring overall adjustment of the entire cabinet, reducing energy and nitrogen consumption, and improving the precise control of the ancient book preservation environment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a side cross-sectional view of the present invention; Figure 3 This is a planar schematic diagram of the present invention; Figure 4 This is a schematic diagram of the open state of the sealed structure of the present invention; Figure 5 This is a schematic diagram of the closed state structure of the sealed structure of the present invention; Figure 6 This is a schematic diagram of the gas circulation structure of the present invention; Figure 7 This is a plan view of the temperature control component of the present invention; Figure 8This is a schematic diagram of the temperature control component of the present invention; In the diagram: 1. Main body of the constant temperature cabinet; 2. Gas circulation assembly; 21. Nitrogen storage cylinder; 22. Miniature air pump; 23. Adjustment chamber; 24. Gas supply pipe; 25. Gas return pipe; 26. Gas supply interface; 27. Gas return interface; 3. Locking structure; 31. Locking handle; 32. Magnetic sealing strip; 33. Magnetic induction element; 4. Sealed structure; 41. Drawer; 42. Slide rail; 43. Ventilation support plate; 5. Temperature control assembly; 51. Semiconductor cooling chip; 52. Cooling fins; 53. Heat dissipation fins; 54. Fan; 6. Humidity control assembly; 61. Ultrasonic humidifier; 62. Atomizing tube; 7. Controller; 8. Control panel; 9. Detection assembly. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Example: Figures 1-8 As shown, the present invention provides a technical solution for an intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books. The cabinet body 1 has several storage spaces, and each storage space is equipped with a sealed structure 4. A locking structure 3 is provided between the sealed structure 4 and the cabinet body 1. The cabinet body 1 is equipped with a temperature control component 5, a humidity adjustment component 6, a gas circulation component 2 and several detection components 9. The detection components 9 cooperate with the sealed structure 4 and the storage spaces. The temperature control component 5 cooperates with the sealed structure 4, the gas circulation component 2 cooperates with the sealed structure 4, and the locking structure 3 and the gas circulation component 2 are electrically connected to the controller 7. Therefore, this device allows for independent control of different storage spaces for ancient books. When only one or a few books need to be retrieved, only the corresponding drawer 41's sealed structure 4 needs to be opened, without affecting the preservation environment of books in other storage spaces. This avoids the significant changes in temperature, humidity, and gas environment that occur when the door of a traditional integrated cabinet is opened, which could impact the environmental conditions of other stored books. Through the detection method of magnetic induction element 33 and magnetic sealing strip 32, it can automatically identify whether the sealed structure 4 is fully closed and locked. If it is not fully closed, the controller 7 will not open the circulation air path of the corresponding storage space, avoiding gas leakage and waste of nitrogen. At the same time, it avoids damage to the preservation of ancient books due to failure to maintain the set temperature, humidity, and gas environment. Through the partitioned circulation design of the gas circulation component 2, it can independently manage each storage space. The system regulates temperature, humidity, and oxygen concentration, replacing oxygen in the storage space with nitrogen to reduce oxygen levels and prevent oxidation of the ancient books. It also inhibits the growth of aerobic microorganisms, reducing their corrosive damage. Temperature and humidity are uniformly regulated in chamber 23 before being distributed to the corresponding storage spaces, eliminating the need for separate temperature and humidity control components in each space. This simplifies the structure, reduces production costs, and facilitates maintenance. The detection component 9 collects environmental parameters from each storage space in real time, and the controller 7 automatically adjusts the corresponding components to maintain a stable storage environment, meeting the requirements for a constant temperature, humidity, and low oxygen environment for long-term preservation of ancient books. The cabinet's multi-layered insulation structure, combined with sealing treatment at all perforations, reduces the interference of external ambient temperature on the internal storage environment, lowers energy consumption, and improves environmental stability.

[0024] like Figures 6-8 As shown, in this embodiment, specifically, the gas circulation component 2 includes a nitrogen storage cylinder 21, a micro air pump 22, an adjustment chamber 23, a gas supply pipe 24, a gas return pipe 25, a gas supply interface 26, and a gas return interface 27. The micro air pump 22 is installed below the main body 1 of the constant temperature cabinet. The micro air pump 22 is electrically connected to the controller 7. The micro air pump 22 is equipped with a gas replenishment valve, which connects the micro air pump 22 to the nitrogen storage cylinder 21. A gas return pipe 25 is installed at the input end of the micro air pump 22. An air supply pipe 24 is installed at the outlet, which is connected to the regulating chamber 23. The regulating chamber 23 is equipped with a temperature control component 5 and a humidity regulating component 6. The air supply pipe 24 is connected to the air supply interface 26 corresponding to each storage space through several air supply branch pipes. The return air pipe 25 is connected to the return air interface 27 corresponding to each storage space through several return air branch pipes. The air supply branch pipe and the return air branch pipe are equipped with an electrically controlled valve that is electrically connected to the controller 7 to realize the zoned air supply and zoned air return for different storage spaces. When in use, the gas circulation component 2 uses a micro air pump 22 to drive gas circulation, drawing the original gas in the storage space out along the return air pipe 25 and sending it into the regulating chamber 23. After the temperature and humidity are adjusted in the regulating chamber 23, the gas is sent back to the storage space along the supply air pipe 24, forming a closed loop. This reduces the exchange with the outside air and lowers the energy consumption for maintaining environmental parameters. When the oxygen concentration in the storage space exceeds the set threshold, the gas replenishment valve opens, replenishing nitrogen and sending it into the circulation loop to gradually reduce the oxygen concentration in the storage space and maintain a low-oxygen storage environment. After a single storage space is opened to retrieve or place ancient books, the system can independently circulate and adjust the parameters of that storage space without affecting other storage spaces that are in a stable state.

[0025] like Figures 1-5 As shown, in this embodiment, the locking structure 3 specifically includes a locking handle 31, a magnetic sealing strip 32, and a magnetic sensing element 33. The locking handle 31 is installed on the outside of the sealed structure 4, the magnetic sealing strip 32 is installed inside the sealed structure 4, and the magnetic sensing element 33 is provided in the storage space. When the sealed structure 4 enters the storage space, the magnetic sealing strip 32 cooperates with the magnetic sensing element 33. The locking structure 3 of this device can automatically identify the closed state of the sealed structure 4. It uses the magnetic field of the magnetic sealing strip 32 itself as the detection signal, eliminating the need for an additional trigger switch. The structure is simpler and more reliable. Combined with the airtight effect of the magnetic sealing strip 32, it achieves both sealing and position detection, reducing structural complexity. When the sealed structure 4 is not fully pushed in and locked, the magnetic induction element 33 cannot receive a magnetic field signal that meets the preset requirements. The controller 7 will maintain the closed state of the corresponding storage space's electric control valve to avoid unnecessary gas leakage. At the same time, it can also issue a prompt through the control panel 8 to remind the user to confirm the closed state, ensuring the safety and stability of the storage environment.

[0026] like Figures 4-5 As shown, in this embodiment, specifically, the magnetic sensing element 33 is used to detect the position state of the magnetic sealing strip 32. When the sealing structure 4 is not completely closed, the magnetic sensing element 33 cannot detect the preset magnetic field signal of the magnetic sealing strip 32, and the controller 7 controls the corresponding storage space's electronic control valve to remain closed. When the sealed structure 4 is fully closed and locked by the locking structure 3, the magnetic induction element 33 detects the preset magnetic field signal of the magnetic sealing strip 32, or the detected magnetic field strength reaches the preset threshold, and sends a closing completion signal to the controller 7. The controller 7 opens the electric control valve of the corresponding storage space according to the real-time environmental parameters collected by the detection component 9, and at the same time controls the temperature control component 5, humidity adjustment component 6 and gas circulation structure to work.

[0027] like Figures 4-5As shown, in this embodiment, specifically, the sealed structure 4 includes a drawer 41 and a slide rail 42. The drawer 41 is provided with sliders on both sides, and the slide rail 42 is provided on both horizontal sides inside the storage space. The drawer 41 is slidably connected to the storage space through the slide rail 42. A magnetic sealing strip 32 is installed at the front end of the drawer 41. When the drawer 41 is pushed into the storage space, it forms an airtight connection with the body 1 of the constant temperature cabinet. A breathable support plate 43 is provided inside the drawer 41. The drawer 41 design makes it easy to access a single or a few ancient books without interfering with the preservation environment of other storage spaces. The breathable support plate 43 can elevate the ancient books, allowing circulating gas to flow from below them, ensuring uniform temperature, humidity, and gas concentration throughout the drawer 41, and preventing damage to the ancient books caused by unsuitable local environmental parameters.

[0028] like Figures 4-5 As shown, in this embodiment, specifically, the detection component 9 includes a temperature sensor, a humidity sensor, and an oxygen concentration detector distributed in each storage space. The detection component 9 is periodically installed on the inner wall of the sealed structure 4 to obtain environmental parameters at different height positions in the corresponding sealed storage cavity. The detection component 9 can collect environmental parameters at different locations within the storage space, avoiding control deviations caused by monitoring only a single point parameter, ensuring that the environmental parameters at all locations within the entire storage space meet the requirements for ancient book preservation, and improving preservation stability.

[0029] like Figures 6-8 As shown, in this embodiment, the temperature control component 5 specifically includes a semiconductor cooling chip 51, a cooling fin 52, a heat dissipation fin 53, and a fan 54. The semiconductor cooling chip 51 is mounted on the main body 1 of the constant temperature cabinet. The cold end of the semiconductor cooling chip 51 is provided with a cooling fin 52, which is installed in the regulating chamber 23. The hot end of the semiconductor cooling chip 51 is provided with a heat dissipation fin 53, which is installed on the outside of the main body 1 of the constant temperature cabinet. The fan 54 is mounted on the heat dissipation fin 53. When cooling is required, the temperature control component 5 of the device is powered on by the semiconductor cooling chip 51. The cold end cools the circulating gas in the regulating chamber 23 through the cooling fins 52, while the heat generated at the hot end is discharged to the outside of the cabinet by the fan 54 through the heat dissipation fins 53, thus avoiding heat accumulation inside the cabinet and affecting the temperature control effect. When heating is required, the hot and cold ends can be switched by changing the polarity of the semiconductor cooling chip 51 to heat the circulating gas. The temperature control can be completed with only one set of components. The structure is simple and the temperature control response is fast, which makes it easy to accurately maintain the gas temperature in the regulating chamber 23.

[0030] like Figure 6As shown, in this embodiment, the humidity regulating component 6 specifically includes an ultrasonic humidifier 61 and an atomizing tube 62. The ultrasonic humidifier 61 is provided with an atomizing tube 62, and a one-way valve is provided inside the atomizing tube 62. The output end of the ultrasonic humidifier 61 is connected to the regulating chamber 23 through the atomizing tube 62. The humidity control component 6 of this device converts water into tiny water mists through ultrasonic atomization and sends them into the control chamber 23, which can accurately and quickly increase the humidity of the circulating gas. The one-way valve can prevent the high-pressure gas in the control chamber 23 from flowing back into the humidifier, ensuring a stable and safe humidification process. When the detection component 9 detects that the humidity in the storage space is lower than the set threshold, the controller 7 starts the ultrasonic humidifier 61, and the water mist is sent into the storage space with the circulating gas to quickly increase the humidity. If the humidity is higher than the set threshold, the excess moisture in the gas can be condensed and discharged by setting a condensation dehumidification structure in the control chamber 23, thereby accurately maintaining a constant humidity in the storage space and meeting the humidity requirements for the preservation of ancient books.

[0031] like Figure 1-8 As shown in this embodiment, specifically, the main body 1 of the constant temperature cabinet includes an inner layer plate, an outer layer plate, and an insulation layer disposed between the inner layer plate and the outer layer plate. The inner layer plate is a stainless steel plate or a corrosion-resistant coated steel plate, the outer layer plate is a cold-rolled steel plate, and the insulation layer is at least one of a polyurethane foam layer, a vacuum insulation board, or an aerogel insulation layer. Sealing elements are provided at the air supply interface 26, the air return interface 27, the sensor mounting hole, the cable hole, and the drain pipe hole. This multi-layered structure, combined with insulation materials, effectively blocks heat exchange between the cabinet interior and the external environment, reduces the impact of external temperature fluctuations on the internal environment of the storage space, lowers the workload of the temperature control component 5, and reduces energy consumption. At the same time, the inner anti-corrosion board prevents the cabinet itself from rusting and producing harmful substances that affect the preservation of ancient books. The sealing treatment at each perforation prevents outside air from seeping into the storage space through gaps, ensuring overall airtightness and helping to maintain a low-oxygen constant temperature environment.

[0032] like Figure 1-3 As shown in this embodiment, specifically, the main body 1 of the constant temperature cabinet is provided with a control panel 8, and the controller 7 is electrically connected to the locking structure 3, the temperature control component 5, the humidity adjustment component 6, the gas circulation component 2 and the detection component 9 respectively. Users can directly view the real-time environmental parameters of each storage space through the control panel 8, and can also adjust the temperature, humidity and oxygen concentration settings of the corresponding storage space according to the preservation needs of different ancient books. The operation is intuitive and convenient.

[0033] Working principle: In use, ancient books are first classified and placed into different sealed structures 4, i.e., drawers 41. After the drawers 41 are closed, the magnetic induction element 33 of the locking structure 3 detects the magnetic field signal of the magnetic sealing strip 32. After confirming that the drawers 41 are completely closed, the controller 7 opens the electronic control valve of the corresponding storage space, starting the gas circulation component 2. In the gas circulation component 2, the micro air pump 22 drives the gas in the storage space to be sent into the regulating chamber 23 along the return air pipe 25. The temperature control component 5 cools or heats the gas in the regulating chamber 23 according to the set temperature, and the humidity control component 6 humidifies or dehumidifies the gas according to the set humidity. The gas after parameter adjustment is then sent back to the storage space along the air supply pipe 24 to form a sealed... In a closed-loop system, the detection component 9 collects temperature, humidity, and oxygen concentration parameters at different locations within the storage space in real time and feeds them back to the controller 7 to dynamically adjust the operation of each component, maintaining stable storage environment parameters. When the oxygen concentration exceeds the set threshold, the gas replenishment valve opens, replenishing nitrogen from the nitrogen storage cylinder 21 into the circulation loop, gradually displacing and reducing the oxygen concentration in the storage space to maintain a low-oxygen storage environment. When a specific ancient book needs to be retrieved, simply open the corresponding drawer 41, and the electronically controlled valve of that storage space will automatically close, without affecting the environmental stability of other storage spaces. After the retrieval or placement is completed and the drawer 41 is closed, the controller 7 automatically adjusts the parameters of that storage space individually to quickly restore a storage environment that meets the requirements.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A smart constant temperature and humidity hardware cabinet for long-term preservation of ancient books, comprising a constant temperature cabinet body (1) and a controller (7), characterized in that: The constant temperature cabinet body (1) is provided with several storage spaces. Each storage space is equipped with a sealed structure (4). A locking structure (3) is provided between the sealed structure (4) and the constant temperature cabinet body (1). The constant temperature cabinet body (1) is provided with a temperature control component (5), a humidity control component (6), a gas circulation component (2) and several detection components (9). The detection components (9) cooperate with the sealed structure (4) and the storage spaces. The temperature control component (5) cooperates with the sealed structure (4). The gas circulation component (2) cooperates with the sealed structure (4). The locking structure (3) and the gas circulation component (2) are electrically connected to the controller (7).

2. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 1, characterized in that: The gas circulation assembly (2) includes a nitrogen storage cylinder (21), a micro air pump (22), an adjustment chamber (23), a gas supply pipe (24), a gas return pipe (25), a gas supply interface (26), and a gas return interface (27). The micro air pump (22) is installed below the main body (1) of the constant temperature cabinet. The micro air pump (22) is electrically connected to the controller (7). The micro air pump (22) is equipped with a gas replenishment valve. The micro air pump (22) is connected to the nitrogen storage cylinder (21) through the gas replenishment valve. The micro air pump (22) is equipped with a gas return pipe (25) at its input end. The output end is equipped with an air supply pipe (24), which is connected to the regulating chamber (23). The regulating chamber (23) is equipped with the temperature control component (5) and the humidity regulating component (6). The air supply pipe (24) is connected to the air supply interface (26) of each storage space through several air supply branches. The return air pipe (25) is connected to the return air interface (27) of each storage space through several return air branches. The air supply branches and return air branches are equipped with electrically controlled valves that are electrically connected to the controller (7) to realize the zoned air supply and zoned air return of the corresponding storage space.

3. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 2, characterized in that: The locking structure (3) includes a locking handle (31), a magnetic sealing strip (32), and a magnetic sensing element (33). The locking handle (31) is installed on the outside of the sealed structure (4), the magnetic sealing strip (32) is installed inside the sealed structure (4), and the magnetic sensing element (33) is provided in the storage space. When the sealed structure (4) enters the storage space, the magnetic sealing strip (32) cooperates with the magnetic sensing element (33).

4. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 3, characterized in that: The magnetic sensing element (33) is used to detect the position of the magnetic sealing strip (32). When the sealed structure (4) is not completely closed, the magnetic sensing element (33) cannot detect the preset magnetic field signal of the magnetic sealing strip (32), and the controller (7) controls the electric control valve of the corresponding storage space to remain closed. When the sealed structure (4) is fully closed and locked by the locking structure (3), the magnetic induction element (33) detects the preset magnetic field signal of the magnetic sealing strip (32). The detected magnetic field strength reaches the preset threshold and sends a closing completion signal to the controller (7). The controller (7) opens the electric control valve of the corresponding storage space according to the real-time environmental parameters collected by the detection component (9), and at the same time controls the temperature control component (5), humidity adjustment component (6) and gas circulation structure to work.

5. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 4, characterized in that: The sealed structure (4) includes a drawer (41) and a slide rail (42). The drawer (41) has sliders on both sides and slide rails (42) on both sides of the storage space. The drawer (41) is slidably connected to the storage space through the slide rails (42). The magnetic sealing strip (32) is installed at the front end of the drawer (41). When the drawer (41) is pushed into the storage space, it forms an airtight connection with the main body (1) of the constant temperature cabinet. The drawer (41) has a breathable support plate (43) inside.

6. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 5, characterized in that: The detection component (9) includes a temperature sensor, a humidity sensor, and an oxygen concentration detector distributed within the storage space. The detection component (9) is periodically installed on the inner wall of the sealed structure (4) to obtain environmental parameters at different height positions within the sealed storage cavity.

7. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 6, characterized in that: The temperature control component (5) includes a thermoelectric cooler (51), a cooling fin (52), a heat dissipation fin (53), and a fan (54). The thermoelectric cooler (51) is mounted on the main body (1) of the constant temperature cabinet. The cold end of the thermoelectric cooler (51) is provided with a cooling fin (52), which is installed in the regulating chamber (23). The hot end of the thermoelectric cooler (51) is provided with a heat dissipation fin (53), which is installed on the outside of the main body (1) of the constant temperature cabinet. The heat dissipation fin (53) is provided with a fan (54).

8. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 7, characterized in that: The humidity control assembly (6) includes an ultrasonic humidifier (61) and an atomizing tube (62). The ultrasonic humidifier (61) is provided with an atomizing tube (62), and a one-way valve is provided inside the atomizing tube (62). The output end of the ultrasonic humidifier (61) is connected to the control chamber (23) through the atomizing tube (62).

9. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 8, characterized in that: The main body (1) of the constant temperature cabinet includes an inner layer plate, an outer layer plate and an insulation layer disposed between the inner layer plate and the outer layer plate. The inner layer plate is a corrosion-resistant coated steel plate, the outer layer plate is a cold-rolled steel plate, and the insulation layer is at least one of a polyurethane foam layer, a vacuum insulation board and an aerogel insulation layer. The gas supply interface (26), the gas return interface (27), the sensor mounting hole and the cable through hole are all provided with sealing elements.

10. The intelligent constant temperature and humidity hardware cabinet for long-term preservation of ancient books according to claim 9, characterized in that: The main body (1) of the constant temperature cabinet is provided with an operating panel (8), and the controller (7) is electrically connected to the locking structure (3), temperature control component (5), humidity adjustment component (6), gas circulation component (2) and detection component (9).

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