A drying device, drying system and air suspension

Abstract

The utility model relates to a kind of drying device, drying system and air suspension, and drying device includes shell, positive electrode conducting seat, negative electrode conducting seat, renewable desiccant and detection circuit;First desiccant baffle is opened with first air hole, second desiccant baffle is opened with second air hole;Renewable desiccant fills full chamber;The side of first desiccant baffle and second desiccant baffle opposite respectively with renewable desiccant contact;Detection circuit and positive electrode conducting seat and negative electrode conducting seat are electrically connected respectively, for detecting the adsorption state of desiccant.It is used in the present application, first desiccant baffle is opened with first air hole, second desiccant baffle is opened with second air hole;Renewable desiccant fills full chamber;The side of first desiccant baffle and second desiccant baffle opposite respectively with renewable desiccant contact;Detection circuit and positive electrode conducting seat and negative electrode conducting seat are electrically connected respectively, for detecting the adsorption state of desiccant.

Description

Technical Field

[0001] This utility model relates to the technical field of air drying, and in particular to a drying device, a drying system and an air suspension. Background Technology

[0002] Currently, traditional air suspension drying devices mostly use timed or differential pressure control regeneration methods, which have problems such as low desiccant regeneration efficiency and high energy consumption.

[0003] In existing technologies, the regeneration of desiccant molecular sieves typically relies on a preset time or a differential pressure sensor triggering the opening of the exhaust valve. This makes it impossible to determine the desiccant's adsorption saturation state in real time, leading to premature or delayed regeneration, resulting in energy waste or drying failure. To address this, existing patents disclose embedding positive and negative electrodes within the desiccant. The resistance value between the two electrodes determines whether regeneration is necessary. The electrodes are inserted into the desiccant to measure its current conductivity, providing feedback on whether the desiccant's current water absorption capacity is saturated. However, this structure has the following drawbacks:

[0004] 1. Measuring by inserting electrodes inside the molecular sieve may only reflect the conductivity of a local area and cannot fully reflect the water absorption status of the entire molecular sieve.

[0005] 2. Water absorption and expansion may cause gaps or loosening of contact between the molecular sieve and the electrode. Especially when the molecular sieve expands / contracts repeatedly due to humidity changes, the contact pressure is unstable, resulting in fluctuations in contact resistance and affecting measurement accuracy. In addition, the inserted electrode may generate mechanical stress due to the expansion / contraction of the molecular sieve. After long-term use, the electrode is prone to bending, wear, or loss of contact with the molecular sieve, resulting in a shortened device life.

[0006] 3. Insertion electrodes have a small contact area and high current density, which can easily cause electrode polarization (charge accumulation at the electrode interface) in DC measurements, resulting in current decay over time and distortion of steady-state measurement values. Utility Model Content

[0007] Based on this, a drying device, a drying system, and an air suspension are provided to improve the problem in the prior art where inserting the electrode into the middle of the desiccant leads to inaccurate judgment of the desiccant adsorption state.

[0008] On the one hand, this utility model provides a drying device, which includes:

[0009] The outer casing has sidewalls;

[0010] A positive electrode conductive base and a negative electrode conductive base are respectively disposed inside the outer casing and located at both ends of the side wall. The positive electrode conductive base includes a first desiccant baffle, and the negative electrode conductive base includes a second desiccant baffle. The first desiccant baffle and the second desiccant baffle cooperate with the side wall to form a chamber. A first vent hole is opened on the first desiccant baffle, and a second vent hole is opened on the second desiccant baffle.

[0011] The chamber is filled with renewable desiccant; the opposite sides of the first and second desiccant baffles are in contact with the renewable desiccant.

[0012] The detection circuit, electrically connected to the positive and negative conductive bases respectively, is used to detect the adsorption state of the desiccant.

[0013] Based on the above technical solution, the present invention can be further improved as follows.

[0014] In one implementation, the housing also includes end walls located at both ends of the sidewalls;

[0015] The first desiccant baffle, together with the end wall and the side wall located between the end wall and the first desiccant baffle, together form the first mounting cavity;

[0016] The second desiccant baffle, together with the other end wall and the side wall located between the other end wall and the second desiccant baffle, forms the second mounting cavity;

[0017] The outer casing has a first vent and a second vent on its side wall. The first vent is connected to the first mounting cavity, and the second vent is connected to the second mounting cavity.

[0018] In one implementation, the positive electrode conductive base further includes a first mounting base, which is disposed in the first mounting cavity. The large end of the first mounting base abuts against one end wall, and the small end of the first mounting base abuts against the first desiccant baffle.

[0019] The negative electrode conductive base also includes a second mounting base, which is disposed in the second mounting cavity. The large end of the second mounting base abuts against the other end wall, and the small end of the second mounting base abuts against the second desiccant baffle.

[0020] In one implementation, a receiving groove is provided in the middle of at least one of the small ends of the first mounting base and the second mounting base, and an elastic element is provided between the receiving groove and the first desiccant baffle and / or the second desiccant baffle. The elastic element is used to provide a compressive force to the regenerable desiccant in the chamber.

[0021] In one of the implementation methods,

[0022] The outer casing is made of insulating material;

[0023] Both the first and second desiccant baffles are made of conductive ceramic material.

[0024] The renewable desiccant is a molecular sieve; the molecular sieve is a porous aluminosilicate material.

[0025] In one implementation, the drying device further includes a heating element disposed on the inner wall of the sidewall.

[0026] In one implementation, the drying device also includes a temperature sensor, one end of which is connected to a positive or negative conductive base, and the other end of which extends into the chamber.

[0027] In one implementation, the detection circuit includes a first controller, which is electrically connected to the positive conductive base, the negative conductive base, and the temperature sensor via wires.

[0028] Secondly, this utility model also provides a drying system, which includes a drying device;

[0029] The drying system also includes a first exhaust check valve, an air tank, an air pump, an intake check valve, a filter, and a second exhaust check valve.

[0030] The first vent is connected to one end of the first pipe, and the other end of the first pipe is connected to the gas storage tank and the first exhaust check valve.

[0031] The second vent is connected to one end of the second pipe, and the other end of the second pipe is connected to the second exhaust check valve. The other end of the second pipe is also connected to the air pump, the air inlet check valve and the filter in sequence.

[0032] When in the drying working state, the gas flows sequentially through the filter, the inlet one-way valve, the air pump, the second vent, the second mounting cavity, the regenerable desiccant, the first mounting cavity, and the first vent into the gas storage tank;

[0033] When in regeneration mode, the gas flows sequentially through the gas storage tank, the first vent, the first mounting cavity, the regenerable desiccant, the second mounting cavity, and the second vent, and is discharged from the second exhaust check valve.

[0034] Thirdly, this utility model also provides an air suspension, including a drying system.

[0035] The beneficial effects of this utility model are as follows:

[0036] By placing the positive and negative conductive bases at both ends of the regenerable desiccant, the two ends of the desiccant are respectively connected to the positive and negative conductive bases and then connected to the detection circuit. This allows the detection circuit to measure the overall conductivity of the regenerable desiccant, improving measurement accuracy. Furthermore, the measurement results of the detection circuit can more accurately reflect the actual water absorption state of the regenerable desiccant, reducing the contact problems caused by the expansion or contraction of the regenerable desiccant in the prior art, thereby improving the reliability of the measurement.

[0037] A first vent hole is formed on the first desiccant baffle of the positive electrode conductive base, and a second vent hole is formed on the second desiccant baffle of the negative electrode conductive base. Gas can flow in and out along the first and second vent holes, ensuring that the gas, after entering the outer shell, completely passes through the regenerable desiccant between the two conductive bases. This ensures that every area of ​​the regenerable desiccant effectively contacts the gas, improving overall drying efficiency. The directional gas flow, combined with the distribution of vent holes, reduces dead zones inside the regenerable desiccant, lowering the proportion of unused regenerable desiccant. Furthermore, the directional gas flow shortens the gas diffusion path, increasing the adsorption / desorption rate of the regenerable desiccant.

[0038] Based on the above, the measurement of the current value of the detection circuit can provide better feedback on the actual water absorption state of the regenerable desiccant, thereby improving the accuracy of the regeneration judgment of the drying device. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the drying device in one embodiment;

[0040] Figure 2 This is a schematic diagram of the drying device in a drying state in one embodiment;

[0041] Figure 3 This is a schematic diagram of the drying device in a regeneration state in one embodiment.

[0042] In the attached diagram, the components represented by each number are as follows:

[0043] 110. Renewable desiccant;

[0044] 120. Outer shell; 121. End wall; 122. First vent; 123. Second vent;

[0045] 130. Chamber; 131. First mounting cavity; 132. Second mounting cavity;

[0046] 140. Positive electrode conductive base; 141. First vent hole; 142. First desiccant baffle; 143. First mounting base;

[0047] 150. Negative electrode conductive base; 151. Second vent hole; 152. Second desiccant baffle; 153. Second mounting base;

[0048] 160. Elastic element; 170. Heating element;

[0049] 181. Temperature sensor; 182. First controller; 183. Wire;

[0050] 200, First exhaust check valve; 300, Air tank; 400, Air pump; 500, Inlet check valve; 600, Filter; 700, Second exhaust check valve; 800, Second controller;

[0051] 910, First Pipeline; 920, Second Pipeline. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to limit its scope. It should be noted that the illustrations provided in this embodiment are only schematic representations of the basic concept of this utility model. Therefore, the drawings only show components relevant to this utility model and are not drawn according to the actual number, shape, and size of the components. In actual implementation, the form, quantity, and proportion of each component can be arbitrarily changed, and the component layout may be more complex. The structures, proportions, sizes, etc., depicted in the accompanying drawings are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model.

[0053] A drying apparatus, see Figure 1The drying device includes a housing 120, a positive electrode conductive base 140, a negative electrode conductive base 150, a regenerable desiccant 110, and a detection circuit. The housing 120 has side walls. The positive electrode conductive base 140 and the negative electrode conductive base 150 are respectively disposed inside the housing 120 and located at both ends of the side walls. The positive electrode conductive base 140 includes a first desiccant baffle 142, and the negative electrode conductive base 150 includes a second desiccant baffle 152. The first desiccant baffle 142 and the second desiccant baffle 152 are connected to the side walls. The walls fit together to form a chamber 130; a first vent hole 141 is provided on the first desiccant baffle 142, and a second vent hole 151 is provided on the second desiccant baffle 152; the chamber 130 is filled with regenerable desiccant 110; the opposite sides of the first desiccant baffle 142 and the second desiccant baffle 152 are in contact with the regenerable desiccant 110; the detection circuit is electrically connected to the positive electrode conductive base 140 and the negative electrode conductive base 150 respectively, and is used to detect the adsorption state of the desiccant.

[0054] Using the above solution, see [link / reference]. Figure 1 By placing the positive electrode conductive base 140 and the negative electrode conductive base 150 at the two ends of the regenerable desiccant 110, the two ends of the desiccant respectively abut against the positive electrode conductive base 140 and the negative electrode conductive base 150 and are connected to the detection circuit. This allows the detection circuit to measure the overall conductivity of the regenerable desiccant 110, improving measurement accuracy. Furthermore, the measurement results from the detection circuit can more accurately reflect the actual water absorption state of the regenerable desiccant 110, reducing the contact problems caused by the expansion or contraction of the regenerable desiccant 110 in the prior art, thus improving measurement reliability. A first vent hole 141 is opened on the first desiccant baffle 142 of the positive electrode conductive base 140, and a second vent hole 151 is opened on the second desiccant baffle 152 of the negative electrode conductive base 150, thereby enabling... Gas can flow in or out along the first vent 141 and the second vent 151, ensuring that after entering the outer casing 120, the gas completely passes through the regenerable desiccant 110 between the two conductive seats. This ensures that every area of ​​the regenerable desiccant 110 can effectively contact the gas, improving overall drying efficiency. The directional flow of gas, combined with the distribution of the vents, reduces dead zones inside the regenerable desiccant 110, lowering the proportion of unused regenerable desiccant 110. The directional flow of gas also shortens the gas diffusion path, increasing the adsorption / regeneration rate of the regenerable desiccant 110. Based on the above, combined with the measurement of the current value of the detection circuit, the true water absorption state of the regenerable desiccant 110 can be better fed back, improving the accuracy of the regeneration judgment of the drying device.

[0055] In the embodiment, the "dead zone" within the desiccant is the area not covered by the airflow.

[0056] In the embodiment, "the outer shell 120 has a sidewall". The direction of extension of the sidewall is not limited. In actual use, the sidewall can extend laterally or longitudinally, depending on the fixed angle and position of the outer shell 120. The shape of the sidewall is not limited, as long as it can form a surrounding wrap around the regenerable desiccant 110. The sidewall can be a regular cylindrical structure or a square cavity structure, or it can be an irregular structure.

[0057] In some embodiments, see Figure 1 The outer casing 120 also includes end walls 121 located at both ends of the side wall; the first desiccant baffle 142, together with the end wall 121 and the side wall located between the end wall 121 and the first desiccant baffle 142, together form a first mounting cavity 131; the second desiccant baffle 152, together with the other end wall 121 and the side wall located between the other end wall 121 and the second desiccant baffle 152, together form a second mounting cavity 132; the side wall of the outer casing 120 is provided with a first vent 122 and a second vent 123, the first vent 122 is connected to the first mounting cavity 131; the second vent 123 is connected to the second mounting cavity 132. Thus, the first vent 122 and the second vent 123 serve as interfaces for gas to enter and exit the outer casing 120. Since the first vent 122 is connected to the first mounting cavity 131, which is located on one side of the first desiccant baffle 142, and the second vent 122 is connected to the second mounting cavity 132, which is located on one side of the second desiccant baffle 152, the first vent 122 and the second vent 123 are respectively connected to the two opposite ends of the regenerable desiccant 110, allowing gas to flow in and out along the two opposite ends of the regenerable desiccant 110, thereby achieving a complete drying or regeneration operation of the regenerable desiccant 110.

[0058] In some embodiments, see Figure 1 The positive electrode conductive base 140 also includes a first mounting base 143, which is disposed in the first mounting cavity 131. The large end of the first mounting base 143 abuts against one end wall 121, and the small end of the first mounting base 143 abuts against the first desiccant baffle 142. The negative electrode conductive base 150 also includes a second mounting base 153, which is disposed in the second mounting cavity 132. The large end of the second mounting base 153 abuts against the other end wall 121, and the small end of the second mounting base 153 abuts against the second desiccant baffle 152. Thus, by having a large end and a small end structure, the first mounting base 143 provides a sufficient gap between one end wall 121 and the first desiccant baffle 142 to form a first mounting cavity 131; by having a large end and a small end structure, the second mounting base 153 provides a sufficient gap between the other end wall 121 and the second desiccant baffle 152 to form a second mounting cavity 132, thereby forming a flow channel for gas within the outer casing 120.

[0059] In some embodiments, see Figure 1 A receiving groove is provided in the middle of the small end of the first mounting base 143 and the small end of the second mounting base 153. An elastic element 160 is provided between the receiving groove and the first desiccant baffle 142 and / or the second desiccant baffle 152. The elastic element 160 is used to provide a compressive force to the regenerable desiccant 110 in the chamber 130. In this way, by setting the elastic element 160, the structure in contact with the two ends of the regenerable desiccant 110 and the first desiccant baffle 142 and the second desiccant baffle 152 respectively can automatically adjust the contact pressure as the regenerable desiccant 110 expands or contracts, thereby adjusting the distance between the first desiccant baffle 142 or the second desiccant baffle 152, ensuring that the regenerable desiccant 110 is in a tightly compacted state, ensuring the tightness of the internal structure of the regenerable desiccant 110, and giving the regenerable desiccant 110 a good electrical connection effect.

[0060] In the embodiments, see Figure 1 The elastic element 160 is placed in the receiving groove at the small end, which limits the size of the elastic element 160 and avoids the elastic element 160 occupying too much space, thereby ensuring that the first mounting cavity 131 and the second mounting cavity 132 have sufficient space.

[0061] In one embodiment, see Figure 1 The elastic element 160 is a spring, with a receiving groove only at the small end of the second mounting base 153. The two ends of the spring in the axial direction abut against the bottom of the receiving groove and the second desiccant baffle 152, respectively. The first mounting base 143 has an inverted T-shaped structure, with the large top end of the T-shape abutting against the end wall 121 and the small bottom end of the T-shape abutting against the first desiccant baffle 142.

[0062] In some embodiments, see Figure 1 The outer casing 120 is made of insulating material; the first desiccant baffle 142 and the second desiccant baffle 152 are both made of conductive ceramic material. Thus, the outer casing 120 is insulating, improving the accuracy of monitoring the conductivity of the regenerable desiccant 110; the conductive material used for the first desiccant baffle 142 and the second desiccant baffle 152 allows the regenerable desiccant 110 to be connected to the detection circuit; the conductive ceramic material has a honeycomb structure, combining breathability and conductivity.

[0063] The outer casing 120 is made of insulating material: If the outer casing 120 were made of conductive material, it would increase the risk of short circuits, affect the accuracy of molecular sieve conductivity measurement, and even damage the measuring equipment; a conductive outer casing 120 might interfere with the current measurement signal and reduce measurement accuracy; while an insulating outer casing 120 can effectively isolate external electromagnetic interference, ensuring the purity and accuracy of the measurement signal; the insulating outer casing 120 can prevent operators from accidentally getting electric shocks, providing better operational safety; the insulating outer casing 120 reduces current leakage or equipment damage caused by accidental contact, improving the stability of system operation.

[0064] Renewable desiccant 110 is a molecular sieve; the molecular sieve is a porous aluminosilicate material.

[0065] In the embodiment, when the elastic element 160 is not provided: when the molecular sieve absorbs water and expands, the density of the molecular sieve in the chamber 130 may be unevenly distributed. If there is local compression or local loosening, the impedance change of the conductive path between the positive and negative electrodes will be uncontrollable, and the correlation between the measured current value and the actual water absorption will be reduced.

[0066] In this embodiment, with the elastic element 160: the elastic element 160 provides continuous elastic pressure, adapting to the volume changes of the molecular sieve after water absorption, such as expansion or contraction, maintaining close contact between the positive and negative electrodes and the molecular sieve, and reducing contact resistance fluctuations; the compression of the elastic element 160 can maintain the uniform and dense state of the molecular sieve in the cavity, reducing gaps or density differences caused by expansion, making the current path more stable, and the measurement results more directly reflecting the true conductivity of the molecular sieve; the elastic buffering effect of the elastic element 160 can reduce mechanical wear, while the compression force maintains stable contact between the positive and negative electrodes and the molecular sieve, extending the device life; the compression structure of the elastic element 160 simplifies the assembly process, eliminating the need for precise electrode positioning, and the elastic element 160 itself can compensate for manufacturing tolerances, reducing production costs; the compression design of the elastic element 160 has a higher tolerance for volume changes of the molecular sieve, can adapt to a wider range of expansion / contraction, and broadens application scenarios, such as high humidity environments.

[0067] In some embodiments, see Figure 1 The drying device also includes a heating element 170, which is disposed on the inner wall of the side wall. In this way, by providing the heating element 170, heating is carried out during the regeneration of the regenerable desiccant 110, so that the regenerable desiccant 110 can remove the adsorbed moisture.

[0068] In this embodiment, the heating element 170 is a resistance wire; the heated resistance wire is wound around the outer periphery of the regenerable desiccant 110 to avoid overheating loss of the regenerable desiccant 110, and a gradient temperature control algorithm is used to improve thermal efficiency.

[0069] In one embodiment, the heating element 170 is connected to the inner wall of the housing 120 and surrounds the regenerable desiccant 110 circumferentially.

[0070] In some embodiments, see Figure 1 The drying device also includes a temperature sensor 181. One end of the temperature sensor 181 is connected to the positive conductive base 140 or the negative conductive base 150, and the other end of the temperature sensor 181 extends into the chamber 130. In this way, the temperature sensor 181 is used to measure the temperature of the regenerable desiccant 110 to determine whether the regenerable desiccant 110 has reached the target temperature. The target temperature corresponds to the point where most of the water molecules in the regenerable desiccant 110 will detach from adsorption and turn into water vapor. After detecting that the target temperature has been reached, the corresponding workpiece will be activated, and subsequent operations such as venting will be performed.

[0071] In some embodiments, see Figure 1 The detection circuit includes a first controller 182, which is electrically connected to the positive conductive base 140, the negative conductive base 150, and the temperature sensor 181 via wires 183. Thus, the first controller 182 is electrically connected to the relevant workpieces, forming a structure in which the positive conductive base 140, the regenerable desiccant 110, and the negative conductive base 150 are sequentially electrically connected, and also forming a control structure where the temperature sensor 181 is electrically connected to the first controller 182.

[0072] See Figure 2 and Figure 3 An embodiment discloses a drying system, which includes a drying device; the drying system also includes a first exhaust check valve 200, an air tank 300, an air pump 400, an intake check valve 500, a filter 600, and a second exhaust check valve 700; a first vent 122 is connected to one end of a first pipe 910, and the other end of the first pipe 910 is connected to the air tank 300 and the first exhaust check valve 200; a second vent 123 is connected to one end of a second pipe 920, and the other end of the second pipe 920 is connected to the second exhaust check valve 700, and the other end of the second pipe 920 is also connected to the air pump. 400, the inlet check valve 500, and the filter 600 are connected in sequence. In the drying operation, gas flows sequentially through the filter 600, the inlet check valve 500, the air pump 400, the second vent 123, the second mounting cavity 132, the regenerable desiccant 110, the first mounting cavity 131, and the first vent 122 into the gas storage tank 300. In the regeneration operation, gas flows sequentially through the gas storage tank 300, the first vent, the first mounting cavity 131, the regenerable desiccant 110, the second mounting cavity 132, and the second vent, and is discharged from the second exhaust check valve 700. Thus, by controlling the relevant valves or the workpiece, the drying or regeneration operation of the drying device can be achieved.

[0073] In the embodiments, see Figure 2 and Figure 3The arrows in the diagram indicate the direction of gas flow; a first exhaust check valve 200 is installed and connected next to the gas storage tank 300.

[0074] An air suspension system, including a drying system.

[0075] In this embodiment, molecular sieve is used as a regenerable desiccant 110 as an example for the following explanation: Because the molecular sieve has limited adsorption capacity, when it adsorbs enough moisture, the water molecules will aggregate into a liquid state and lose their ability to adsorb moisture from humid air. When the internal air pressure of the closed system is insufficient and air is replenished from the outside, the humid air, mixed with moisture from inside the molecular sieve, enters the air storage tank 300 or the air suspension, accelerating damage to rubber, shock absorbers, the first controller 182, etc., at which point the molecular sieve needs to be regenerated. The molecular sieve itself is a porous aluminosilicate material, which is an insulator in a dry state with a resistivity as high as 10⁻⁶. 12 When the molecular sieve adsorbs water, water molecules bind to the molecular sieve framework through H bonds, forming a continuous water film in the pores. The water molecules then dissociate to produce H+. + and OH - Ions form conductive pathways, significantly enhancing conductivity and reducing resistance to 10 ohms. 3 Ω; and near the dew point, water molecules are continuously distributed, the conductive path is more continuous, and the conductivity is further enhanced.

[0076] When the molecular sieve adsorbs moisture to a critical point, its resistance drops sharply. Under 12V voltage, the positive and negative terminals of the first controller 182 are connected through a detection circuit consisting of "positive wire 183 - first mounting base 143 - first desiccant baffle 142 - molecular sieve - second desiccant baffle 152 - elastic element 160 - second mounting base 153 - negative wire 183," generating a target current. Upon detecting this target current signal, the first controller 182 triggers a signal indicating that the molecular sieve needs to be degassed and regenerated. This signal is transmitted to the second controller 800, which then controls the air pump 400 to fill the air tank 300, increasing the air volume and pressure inside the tank in preparation for degaussing. When the air pressure inside the tank reaches the pressure required for water molecule regeneration, the intelligent drying device activates the heating element 1. In operation, the molecular sieve is heated by a thin-walled heat-conducting sleeve located on its outer periphery. Simultaneously, the temperature sensor 181 built into the molecular sieve monitors its temperature. When the molecular sieve reaches the target temperature, most of the water molecules adsorbed by the molecular sieve will detach and turn into water vapor, which diffuses into the outer shell 120 of the dryer. When the molecular sieve reaches the target temperature, the second controller 800 will open the second exhaust one-way valve 700, and the high-pressure gas in the gas storage tank 300 will pass through the intelligent drying device at high speed, quickly carrying out the water vapor diffused inside the outer shell 120 and venting it to the atmosphere through the second exhaust one-way valve 700. Afterward, the molecular sieve inside the drying device will be dried again after the water is discharged, regaining its adsorption capacity. The detection circuit will be disconnected due to the water discharge from the molecular sieve, and there will be no current in this circuit, thus completing the regeneration of the molecular sieve.

[0077] In this embodiment, the first controller 182 and the second controller 800 are electrically connected.

[0078] In this embodiment, when the current in the detection circuit reaches a set current threshold, the resistance of the regenerable desiccant 110 reaches a set resistance threshold, corresponding to the regenerable desiccant 110 being in a water-saturated state and needing to be regenerated.

[0079] The technical effects achieved by the above solutions are as follows:

[0080] 1. By monitoring the molecular sieve adsorption state in real time through the magnitude of the positive and negative electrode circuit current, the regeneration triggering accuracy is improved by more than 90%, avoiding more than 30% of ineffective regeneration times as in traditional timed control;

[0081] 2. The closed-loop temperature control system reduces heating energy consumption by 45% and extends the molecular sieve life to 2.5 times that of traditional solutions;

[0082] 3. Regeneration is achieved by utilizing the high-pressure gas within the suspension system itself, eliminating the need for an external air pump 400 device, reducing the overall weight by 15%, and making it suitable for closed suspension systems with limited space.

[0083] 4. Test data shows that in an environment with 90% humidity, the regeneration cycle is extended from the conventional 4 hours to 8 hours, while the drying efficiency remains above 95%.

[0084] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "joined," "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two components or an interaction between two components, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0085] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0086] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A drying apparatus, characterized in that, The drying device includes: The outer casing (120) has sidewalls; A positive electrode conductive base (140) and a negative electrode conductive base (150) are respectively disposed inside the outer shell (120) and located at both ends of the side wall. The positive electrode conductive base (140) includes a first desiccant baffle (142), and the negative electrode conductive base (150) includes a second desiccant baffle (152). The first desiccant baffle (142) and the second desiccant baffle (152) cooperate with the side wall to form a chamber (130). A first vent hole (141) is provided on the first desiccant baffle (142), and a second vent hole (151) is provided on the second desiccant baffle (152). A renewable desiccant (110) fills the chamber (130); the opposite sides of the first desiccant baffle (142) and the second desiccant baffle (152) are in contact with the renewable desiccant (110); The detection circuit is electrically connected to the positive electrode conductive base (140) and the negative electrode conductive base (150) respectively, and is used to detect the adsorption state of the desiccant.

2. The drying apparatus according to claim 1, characterized in that, The outer casing (120) also includes end walls (121) located at both ends of the side wall; The first desiccant baffle (142), the end wall (121), and the side wall located between the end wall (121) and the first desiccant baffle (142) together form a first mounting cavity (131). The second desiccant baffle (152), together with the other end wall (121) and the side wall located between the other end wall (121) and the second desiccant baffle (152), together form a second mounting cavity (132). The outer casing (120) has a first vent (122) and a second vent (123) on its side wall. The first vent (122) is connected to the first mounting cavity (131), and the second vent is connected to the second mounting cavity (132).

3. The drying apparatus according to claim 2, characterized in that, The positive electrode conductive base (140) further includes a first mounting base (143), which is disposed in the first mounting cavity (131). The large end of the first mounting base (143) abuts against an end wall (121), and the small end of the first mounting base (143) abuts against the first desiccant baffle (142). The negative electrode conductive base (150) further includes a second mounting base (153), which is disposed in the second mounting cavity (132). The large end of the second mounting base (153) abuts against the other end wall (121), and the small end of the second mounting base (153) abuts against the second desiccant baffle (152).

4. The drying apparatus according to claim 3, characterized in that, A receiving groove is provided in the middle of the small end of the first mounting base (143) and the small end of the second mounting base (153). An elastic element (160) is provided between the receiving groove and the first desiccant baffle (142) and / or the second desiccant baffle (152). The elastic element (160) is used to provide a clamping force to the regenerable desiccant (110) in the chamber (130).

5. The drying apparatus according to claim 4, characterized in that, The outer casing (120) is made of insulating material; Both the first desiccant baffle (142) and the second desiccant baffle (152) are made of conductive ceramic material; The renewable desiccant (110) is a molecular sieve; the molecular sieve is a porous aluminosilicate material.

6. The drying apparatus according to claim 1, characterized in that, The drying device further includes a heating element (170) disposed on the inner wall of the side wall.

7. The drying apparatus according to claim 6, characterized in that, The drying device also includes a temperature sensor (181), one end of which is connected to the positive electrode conductive base (140) or the negative electrode conductive base (150), and the other end of which extends into the chamber (130).

8. The drying apparatus according to claim 7, characterized in that, The detection circuit includes a first controller (182), which is electrically connected to the positive electrode conductive base (140), the negative electrode conductive base (150), and the temperature sensor (181) via wires (183).

9. A drying system, characterized in that, The drying system includes the drying apparatus as described in any one of claims 2-5; The drying system also includes a first exhaust check valve (200), an air tank (300), an air pump (400), an intake check valve (500), a filter (600), and a second exhaust check valve (700). The first vent (122) is connected to one end of the first pipe (910), and the other end of the first pipe (910) is connected to the gas storage tank (300) and the first exhaust check valve (200); The second vent (123) is connected to one end of the second pipe (920), the other end of the second pipe (920) is connected to the second exhaust check valve (700), and the other end of the second pipe (920) is connected in sequence to the air pump (400), the air inlet check valve (500) and the filter (600); When in the drying working state, the gas flows sequentially through the filter (600), the inlet one-way valve (500), the air pump (400), the second air inlet (123), the second mounting cavity (132), the regenerable desiccant (110), the first mounting cavity (131), and the first air inlet (122) into the gas storage tank (300). When in regeneration mode, the gas flows sequentially through the gas storage tank (300), the first vent, the first mounting cavity (131), the regenerable desiccant (110), the second mounting cavity (132), and the second vent, and is discharged from the second exhaust check valve (700).

10. An air suspension system, characterized in that, Includes the drying system as described in claim 9.

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