External heating type dryer and automobile air supply unit

Abstract

The utility model discloses an external heating type dryer and an automobile air supply unit, which comprise a shell, a drying agent is filled in the shell, an air inlet and an air outlet are arranged on the shell, an external heating component is arranged on the outer side of the shell corresponding to the drying agent, and the external heating component is arranged on the outer side of the shell corresponding to the drying agent. The external heating assembly comprises a heating part arranged on the side wall of the shell and a heat insulation sleeve wrapping the heating part, the heating part is connected with an external power source through a conductive part, and the drying agent in the shell can be heated from outside to inside by arranging the external heating assembly on the outer side of the shell; the heat insulation sleeve can isolate the internal temperature of the drying agent from the external temperature, the regeneration heating effect of the drying agent is improved, and the heating component can achieve one-way heating of the drying agent.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of external heating type dryers and automobile air supply units, and specifically is a kind of external heating type dryers and automobile air supply units. BACKGROUND

[0002] Closed air supply unit for automobile is gradually valued by terminal customer due to higher inflation efficiency and shorter inflation time.In the whole life cycle of closed air spring,high pressure gas in the inside is mainly internal circulation (from air spring to gas tank, or from gas tank to air spring), and less direct inflation with external air, i.e.open condition.However, once open condition is used, moisture in external air will immediately enter the system, thus the dryer is an indispensable part of air supply unit.In open condition, the amount of drying agent cannot be too large to meet the requirements of use condition and vehicle weight, thus there is a risk of saturation of the dryer.Once saturated, moisture will enter the system and corrode the internal parts prone to rust.Meanwhile, the sealing of the dryer is difficult due to high internal pressure, and the sealing design of the dryer is also one of the difficulties.Currently, the dryer is mainly placed close to heat source, such as motor of the system, air pump, etc., or regenerated by pressure swing adsorption principle, but the regeneration effect is limited, and the water absorption efficiency of the dryer is poor due to poor sealing of some heating schemes. SUMMARY

[0003] The utility model provides a kind of external heating type dryers and automobile air supply units, can solve the risk that the drying agent in the dryer of existing air supply unit is easily saturated and the problem that existing regeneration means is limited and cannot meet the requirements.

[0004] To achieve the above object, in the first aspect, the utility model provides the following technical scheme: an external heating type dryer, comprising a shell, the inside of the shell is filled with drying agent, an air inlet and an air outlet are installed on the shell, an external heating assembly is installed on the position corresponding to the drying agent on the outside of the shell, the external heating assembly comprises a heating component arranged on the side wall of the shell and a heat insulation sleeve wrapping the heating component, the heating component is connected with external power supply through conductive component, the drying agent inside the shell can be heated from outside to inside by setting external heating assembly on the outside of the shell, the temperature inside the drying agent can be insulated from the outside by the heat insulation sleeve, the regeneration and heating effect of the drying agent is improved, and the heating component can realize one-way heating of the drying agent.

[0005] Preferably, the heating component is a heating resistance wire wrapped around the outer side wall of the shell.The heating resistance wire is relatively thin and flexible, and can be laid in various shapes on the outer side wall of the shell to improve the coverage area of heating.

[0006] As preferred, the heating component is coated on the outer surface of the shell by printing, so that the manufacturing and assembling process is simple and flexible.

[0007] As preferred, the heat insulation sleeve is provided with an electric connection plug interface, and the conductive component is a plurality of PIN pins connecting the electric connection plug interface and the heating component, so that the heating component is conveniently connected with an external power source through the electric connection plug interface and the PIN pins.

[0008] As preferred, the inner side of the heat insulation sleeve is further provided with a temperature sensor connected with the conductive component, so that the temperature sensor can monitor the temperature of the dryer cavity, acquire the temperature information of the dryer cavity, avoid damage of components caused by excessively high temperature, and reduce power loss.

[0009] As preferred, the temperature sensor comprises a sensor element and at least one conductive connecting piece connecting the sensor element and the PIN pin, and the conductive connecting piece is provided with a mounting support block, so that the sensor element is connected and mounted on the mounting support block through the conductive connecting piece, and the mounting support block facilitates fixation of the conductive connecting piece.

[0010] As preferred, the outer side of the shell is provided with at least one connecting and mounting component, so that the entire dryer is conveniently mounted and fixed in the air supply unit.

[0011] As preferred, the desiccant is provided with an air passage gasket at one end close to the air inlet, one side of the air passage gasket is connected with one end of a compression spring, and the other end of the compression spring is provided with an end cover, so that the compression spring can apply pressure to the air passage gasket, compact the desiccant, and improve the regeneration efficiency.

[0012] As preferred, the desiccant is provided with a needled felt and a plastic pad at one end close to the air outlet, and the middle part of the plastic pad is provided with a hollow hole corresponding to the air outlet, so that the desiccant cannot block the air outlet, and the air passing is smooth.

[0013] In the second aspect, the utility model further relates to an automobile air supply unit, which comprises an integrated valve body and an ECU assembly arranged on one side of the integrated valve body, a booster pump assembly and a switching valve assembly are arranged on the integrated valve body, a driving motor matched with the booster pump assembly is arranged on one side of the integrated valve body, and the external heating type dryer described in the first aspect is connected with the integrated valve body.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The simple structure can heat the desiccant inside the shell from outside to inside by arranging the external heating assembly outside the shell, the heat insulation sleeve can insulate the temperature inside the desiccant from the outside, the heating part can realize one-way heating of the desiccant, the moisture absorbed by the desiccant particles can be separated from the particles due to high temperature, and the regeneration effect of the desiccant is good. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a perspective view of the utility model after removing the heat insulation sleeve;

[0019] Figure 4 It is a perspective view of the temperature sensor of the utility model.

[0020] Reference signs:

[0021] 1, shell, 11, plastic pad, 2, external heating assembly, 21, connecting electric connection plug interface, 22, PIN needle, 23, temperature sensor, 231, sensor element, 232, mounting support block, 233, conductive connecting piece, 24, heating part, 25, heat insulation sleeve, 3, air inlet, 4, connecting mounting part, 5, end cover, 6, compression spring, 7, vent gasket, 8, desiccant, 9, needle felt, 10, air outlet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0023] As Figures 1-4The utility model discloses to solve the risk that the drier in the existing air supply unit's drying agent is easy to saturate and the problem that the existing regeneration means is limited and cannot satisfy the requirement, provide the following technical scheme: a kind of external heating type drier, the inside of the shell 1 is filled with drying agent 8, the shell 1 is equipped with air inlet 3 and air outlet 10, the shell 1 is equipped with external heating assembly 2 on the position corresponding with drying agent 8 on the outside, the external heating assembly 2 includes heating component 24 arranged on the side wall of shell 1 and heat insulation sleeve 25 wrapping heating component 24, the heating component 24 is connected with external power supply by conducting component, the drying agent 8 in the shell 1 can be heated from outside to inside by setting external heating assembly 2 on the outside of shell 1, the temperature in the drying agent 8 can be isolated from outside by heat insulation sleeve 25, improve the regeneration heating effect of drying agent 8, and heating component 24 can realize the one-way heating of drying agent 8.

[0024] Specifically, the shell 1 adopts an integrated shell, which has good overall sealing performance. The drier is connected with the air supply unit through the air inlet 3 and the air outlet 10, for drying the air with humidity entering the air supply unit. The installation area of the heating component 24 needs to be as large as possible to heat the shell 1 in all directions. The drying agent 8 is evenly heated, and the drying effect is good.

[0025] In the embodiment, as shown in the figure, Figure 3 The heating component 24 is a heating resistance wire wrapped around the outer sidewall of the shell 1. The heating resistance wire is relatively thin and flexible, and can be laid in various shapes on the outer sidewall of the shell 1 to increase the coverage area of heating. The heating resistance wire can be wrapped around the outer side of the shell 1 in many S-shaped loops, which are evenly arranged and have good heating effect. At the same time, the heating component 24 is coated on the outer surface of the shell 1 by printing, which is simple and flexible in manufacturing and assembly process.

[0026] In the embodiment, as shown in the figure, Figure 3 The heat insulation sleeve 25 is provided with an electrical connection plug interface 21, and the conducting component is a plurality of PIN pins 22 connecting the electrical connection plug interface 21 and the heating component 24. The heating component 24 is connected with the external power supply through the electrical connection plug interface 21 and the PIN pins 22, and the electrical connection plug interface 21 can adopt a standard electrical socket, which has good universality.

[0027] In the embodiment, as shown in the figure, Figure 3 The inner side of the heat insulation sleeve 25 is also provided with a temperature sensor 23, which is connected with the conducting component. The temperature sensor 23 can monitor the temperature of the drier cavity, obtain the temperature information of the drier cavity, avoid damage to components due to excessive temperature, and reduce power consumption.

[0028] In the embodiment, the temperature sensor 23 comprises a sensor element 231 and at least one conductive connecting piece 233 connecting the sensor element 231 with the PIN needle 22, the conductive connecting piece 233 is provided with a mounting support block 232, the sensor element 231 is connected and mounted on the support block 232 through the conductive connecting piece 233, and the mounting support block 232 facilitates the fixation of the conductive connecting piece 233. The shell 1 is externally provided with at least one connecting mounting component 4, which facilitates the mounting and fixation of the entire dryer in the air supply unit, the connecting mounting component 4 can be mounted at the upper end and the lower end of the shell 1 respectively, and the connecting mounting component 4 is provided with a mounting hole.

[0029] In the embodiment, the air vent gasket 7 is mounted at one end of the desiccant 8 close to the air inlet 3, one side of the air vent gasket 7 is connected with one end of the compression spring 6, and the other end of the compression spring 6 is mounted with the end cover 5, the compression spring can apply pressure to the air vent gasket, compact the desiccant, and improve the regeneration efficiency.

[0030] In the embodiment, as shown in the figure, Figure 2 The needle felt 9 and the plastic pad 11 are sequentially arranged at one end of the desiccant 8 close to the air outlet 10, the middle part of the plastic pad 11 is provided with a hollow hole corresponding to the air outlet 10, the desiccant 8 is prevented from blocking the air outlet 10, and the smoothness of the air passing through is ensured.

[0031] The embodiment further comprises an automobile air supply unit, which comprises an integrated valve body and an ECU assembly arranged on one side of the integrated valve body, the integrated valve body is mounted with a booster pump assembly and a switching valve assembly, one side of the integrated valve body is mounted with a driving motor matched with the booster pump assembly, the external heating type dryer described above is communicated with the integrated valve body, the external heating type dryer and the integrated valve body can be connected through an air pipe to form a loop, or the internal heating type dryer can be directly mounted on the integrated valve body and communicated with the internal air duct of the integrated valve body.

[0032] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indications will also change accordingly.

[0033] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0034] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

Claims

1. An external heating type dryer comprising a housing (1) whose inside is filled with a drying agent (8), and an air inlet (3) and an air outlet (10) installed on the housing (1), characterized in that, The outer side of the shell (1) is provided with an external heating assembly (2) corresponding to the position of the desiccant (8), the external heating assembly (2) comprises a heating component (24) arranged on the side wall of the shell (1) and a heat insulation sleeve (25) wrapping the heating component (24), the heating component (24) is connected with the external power supply through a conductive component.

2. The external heating dryer according to claim 1, characterized in that: The heating component (24) is a heating resistance wire wrapped around the outer side wall of the shell (1).

3. The external heating dryer according to claim 2, characterized in that: The heating component (24) is coated on the outer surface of the shell (1) by printing.

4. The external heating dryer according to claim 2, wherein: The heat insulation sleeve (25) is provided with an electrical connection plug interface (21), and the conductive component is a plurality of PIN pins (22) connecting the electrical connection plug interface (21) and the heating component (24).

5. The external heating dryer according to claim 4, characterized in that: The inner side of the heat insulation sleeve (25) is further provided with a temperature sensor (23), and the temperature sensor (23) is connected with the conductive component.

6. The external heating dryer according to claim 5, characterized in that: The temperature sensor (23) comprises a sensor element (231) and at least one conductive connecting piece (233) connecting the sensor element (231) and the PIN pin (22), and the conductive connecting piece (233) is provided with a mounting support block (232).

7. The external heating dryer according to claim 1, wherein: The outer side of the shell (1) is provided with at least one connecting mounting component (4).

8. The external heating dryer of claim 1, wherein: The desiccant (8) is provided with an air vent gasket (7) at one end close to the air inlet (3), one side of the air vent gasket (7) is connected with one end of a compression spring (6), and the other end of the compression spring (6) is provided with an end cover (5).

9. The external heating dryer according to claim 8, characterized in that: The desiccant (8) is provided with a needle felt (9) and a plastic pad (11) at one end close to the air outlet (10) in sequence, and the plastic pad (11) is provided with a hollow hole corresponding to the air outlet (10) in the middle.

10. An automotive air supply unit, characterized by, The integrated valve body is provided with a booster pump assembly and a switching valve assembly, one side of the integrated valve body is provided with a drive motor matched with the booster pump assembly, and the external heating type desiccator as claimed in any one of claims 1-9 is connected with the integrated valve body.

Images