Head-up display module and vehicle

Abstract

The utility model discloses a head-up display module and a vehicle, the head-up display module comprises a head-up display, a detector and a drying device, the head-up display comprises a shell, and the shell is provided with an accommodating cavity; the detector is arranged in the shell and located in the containing cavity, and the detector is used for detecting the current humidity in the containing cavity; the drying device is arranged in the shell and communicates with the containing cavity, and the drying device is configured to introduce dry gas into the containing cavity and suck gas in the containing cavity when the current humidity in the containing cavity exceeds a preset threshold value. In this way, the drying device is used for pumping out the high-humidity gas in the containing cavity out of the shell while the containing cavity is filled with the dry gas, the humidity in the containing cavity can be reduced, normal work of the head-up display is facilitated, and use is convenient.

Description

Technical Field

[0001] The embodiments of the utility model relate to the automotive field, and in particular to a head-up display module and a vehicle. Background Art

[0002] In the automotive field, head-up displays are widely used. They project key driving information such as vehicle speed, navigation instructions, warning signals, etc. directly in front of the driver's line of sight, allowing the driver to quickly obtain the required information while keeping his line of sight unchanged, thereby improving driving safety and convenience.

[0003] However, in a foggy or humid environment, moisture in the air enters the interior of the head-up display, causing the reflective lenses in the head-up display to be in a humid working environment, which may affect the normal reflection of the lenses in the head-up display and cause the reflected image content to be unclear, causing inconvenience. Utility Model Content

[0004] In order to solve the above technical problems, the embodiments of the present utility model provide a head-up display module and a vehicle that are easy to use.

[0005] The utility model embodiment solves its technical problems by adopting the following technical solutions:

[0006] A head-up display module includes a head-up display, a detector and a drying device, wherein the head-up display includes a shell having a accommodating cavity; the detector is arranged in the shell and located in the accommodating cavity, and the detector is used to detect the current humidity in the accommodating cavity; the drying device is arranged in the shell and communicated with the accommodating cavity, and the drying device is configured to introduce dry gas into the accommodating cavity and absorb the gas in the accommodating cavity when the current humidity in the accommodating cavity exceeds a preset threshold.

[0007] Optionally, the drying device includes an air storage member, an air inlet assembly and an air outlet assembly, the air storage member is arranged in the shell, the air storage member includes a first cavity and a second cavity which are isolated from each other, the first cavity stores dry gas, one end of the air inlet assembly and the air outlet assembly are connected to the accommodating cavity, the other end of the air inlet assembly is connected to the first cavity, and the other end of the air outlet assembly is connected to the second cavity; when the current humidity in the accommodating cavity exceeds the preset threshold value, the dry gas in the first cavity can enter the accommodating cavity through the air inlet assembly, and the air outlet assembly draws the gas in the accommodating cavity into the second cavity.

[0008] Optionally, the air intake assembly includes a switch valve, a first air intake pipe and a second air intake pipe, the switch valve is arranged on the shell, two ends of the first air intake pipe are respectively connected to the accommodating cavity and the air outlet end of the switch valve, two ends of the second air intake pipe are respectively connected to the air intake end of the switch valve and the first cavity, and the switch valve is configured to open the airway between the accommodating cavity and the first cavity when the humidity in the current accommodating cavity exceeds a preset threshold value.

[0009] Optionally, the air outlet assembly includes a pump body, a first air outlet pipe and a second air outlet pipe. The pump body is arranged on the shell, and the two ends of the first air outlet pipe are respectively connected to the accommodating cavity and the air inlet end of the pump body, and the two ends of the second air outlet pipe are respectively connected to the air outlet end of the pump body and the second cavity. The pump body is used to suck the gas in the accommodating cavity and pass it into the second cavity.

[0010] Optionally, the drying device also includes a filter, and the first air outlet pipe includes a first pipe and a second pipe, the two ends of the first pipe are respectively connected to the accommodating cavity and the air inlet end of the filter, and the two ends of the second pipe are respectively connected to the air outlet end of the filter and the air inlet end of the pump body.

[0011] Optionally, the gas storage component includes an outer shell, a partition and a push plate, the partition is arranged in the outer shell and constructs the first cavity and the second cavity, and the push plate is sealed and connected to the partition and can move relative to the partition; when the gas outlet component sucks the gas in the accommodating cavity into the second cavity, the gas pressure in the second cavity gradually increases and pushes the push plate to squeeze the gas in the first cavity.

[0012] Optionally, the head-up display further includes a circuit board, which is disposed in the accommodating cavity, and is respectively connected to the detector and the drying device, and is used to control the drying device to introduce dry gas into the accommodating cavity and to extract the gas in the accommodating cavity.

[0013] Optionally, the head-up display also includes a light source module, a main lens assembly and a sub-lens assembly arranged in the accommodating cavity, the sub-lens of the sub-lens assembly faces the main lens of the main lens assembly, the light source module is used to emit light to the sub-lens assembly, the sub-lens assembly is used to reflect the light emitted by the light source module to the main lens assembly, and the main lens assembly is used to reflect the light reflected from the sub-lens assembly.

[0014] Optionally, the main lens assembly includes a main lens and a main bracket, the main lens is mounted on the main bracket, and the main bracket is connected to the inner wall surface of the shell.

[0015] The utility model embodiment also adopts the following technical solutions to solve its technical problems:

[0016] A means of transportation comprises the above-mentioned head-up display module.

[0017] The beneficial effects of the embodiment of the utility model are as follows: the head-up display module provided by the embodiment of the present application includes a head-up display, a detector and a drying device, the head-up display includes a shell, the shell has a receiving chamber; the detector is arranged in the shell and located in the receiving chamber, and the detector is used to detect the current humidity in the receiving chamber; the drying device is arranged in the shell and communicated with the receiving chamber, and the drying device is configured to introduce dry gas into the receiving chamber when the current humidity in the receiving chamber exceeds a preset threshold, and to extract the gas in the receiving chamber. In this way, the drying device is used to fill the receiving chamber with dry gas while extracting the gas with higher humidity in the receiving chamber out of the shell, which is beneficial to reducing the humidity in the receiving chamber, and is beneficial to the normal operation of the head-up display, and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0019] Figure 1 is a schematic structural diagram of a head-up display module of one embodiment of the present application;

[0020] Figure 2 yes Figure 1 Schematic diagram from another perspective;

[0021] Figure 3 yes Figure 2 The structural breakdown diagram of

[0022] Figure 4 It is a block diagram of the head-up display;

[0023] Figure 5 yes Figure 1 Enlarged view of part A in the middle;

[0024] Figure 6 yes Figure 5 A cross-sectional view of the middle gas storage member;

[0025] In the figure: 1. Head-up display module; 2. Head-up display; 3. Detector; 4. Drying device;

[0026] 21. Shell; 210. Accommodating cavity; 211. Shell body; 212. Shell cover; 213. Protrusion;

[0027] 22. Light source module; 23. Main lens assembly; 24. Sub-lens assembly; 25. Circuit board; 231. Main lens; 232. Main lens bracket;

[0028] 41. air storage component; 42. air inlet component; 43. air outlet component; 44. filter;

[0029] 41a, first cavity; 41b, second cavity; 411, housing; 412, partition; 413, push plate; 414, one-way conduction structure; 4141, elastic member; 4142, blocking member; 4101, first chamber; 4102, second chamber; 4103, communication port;

[0030] 421, switch valve; 422, first air inlet pipe; 423, second air inlet pipe;

[0031] 431, pump body; 432, first air outlet pipe; 433, second air outlet pipe;

[0032] 4321, first pipeline; 4322, second pipeline. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or there can be one or more centered elements therebetween. When an element is described as "connected" to another element, it can be directly connected to another element or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0035] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0036] like Figure 1-3 As shown, a head-up display module 1 provided in one embodiment of the present application includes a head-up display 2, a detector 3 and a drying device 4. The head-up display 2 includes a housing 21 having a housing chamber 210. The detector 3 is disposed in the housing chamber 210. The drying device 4 is disposed in the housing 21 and communicates with the housing chamber 210. The detector 3 is used to detect the humidity in the housing chamber 210. The drying device 4 is used to introduce dry gas into the housing chamber 210 when the current humidity in the housing chamber 210 exceeds a preset threshold value, and to extract the gas in the housing chamber 210.

[0037] In this way, by using the drying device 4 to fill the accommodating cavity 210 with dry gas and at the same time extracting the gas with high humidity in the accommodating cavity 210 out of the shell 21, a dry gas environment can be provided for the accommodating cavity 210 of the head-up display 2, which is beneficial to the normal operation of the head-up display 2 and improves the stability of the head-up display 2.

[0038] It should be noted here that, after the humidity in the receiving chamber 210 of the head-up display 2 decreases, the drying device 4 will continue to supply air to the receiving chamber 210, so that a certain pressure is maintained in the receiving chamber 210 of the head-up display 2. That is, when the humid air in the receiving chamber 210 is extracted from the receiving chamber 210, the air pressure in the receiving chamber 210 decreases, and dry air is introduced to increase the air pressure in the receiving chamber 210, and the drying device 4 is turned off after the air pressure in the receiving chamber 210 tends to be stable.

[0039] It is understandable that the drying gas may be an inert gas or other gas, which is not limited here, as long as it does not increase the humidity of the internal environment of the containing chamber.

[0040] In some embodiments, Figure 2 As shown, the housing 21 includes a housing body 211 and a housing cover 212, wherein the housing cover 212 is detachably connected to the housing body 211, and the housing body 211 is provided with a receiving cavity 210. The outer wall surface of the housing body 211 is provided with a protrusion 213, and the protrusion 213 is used to connect with the body of a vehicle. That is, the protrusion 213 provided on the outer wall surface of the housing body 211 is conducive to realizing the rapid positioning and installation of the head-up display 2.

[0041] In some embodiments, Figure 4As shown, the head-up display 2 also includes a light source module 22, a main lens assembly 23 and a sub-lens assembly 24 arranged in the accommodating cavity 210, the sub-lens of the sub-lens assembly 24 faces the main lens 231 of the main lens assembly 23, the light source module 22 is used to emit light to the sub-lens assembly 24, the sub-lens assembly 24 is used to reflect the light emitted from the light source module 22 to the main lens assembly 23, and the main lens assembly 23 is used to reflect the light reflected from the sub-lens assembly 24 to project an image.

[0042] In some embodiments, Figure 3 As shown, the main lens assembly 23 includes a main lens 231 and a main lens bracket 232 . The main lens 231 is mounted on the main lens bracket 232 . The main lens bracket 232 is connected to the housing 21 . The main lens 231 is used to reflect light reflected from the secondary lens assembly 24 .

[0043] Furthermore, the main lens assembly 23 also includes a main driving mechanism (not shown), the main lens bracket 232 is hinged in the housing 21, the main driving mechanism is arranged in the accommodating cavity 210 and connected to the main lens bracket 232, and the main driving mechanism is used to drive the main lens bracket 232 to rotate to adjust the position of the main lens 231 when reflecting light. It is understandable that the main driving mechanism can be any driving mechanism as long as it can drive the main lens bracket 232 to rotate. Exemplarily, the main driving mechanism is composed of a driving gear, a driven gear and a motor, the driven gear is fixedly mounted on the main lens bracket 232, the driving gear is meshed with the driven gear, and the motor is connected to the driving gear. When the motor drives the driving gear to rotate and drives the driven gear to rotate, the main lens bracket 232 can rotate with the driven gear, thereby adjusting the position of the main lens 231.

[0044] In some embodiments, the secondary lens assembly 24 includes a secondary lens (not shown) and a secondary lens bracket (not shown), the secondary lens is mounted on the secondary lens bracket, the secondary lens bracket is connected to the shell 21, and the secondary lens is used to reflect light reflected from the secondary lens assembly 24.

[0045] Furthermore, the secondary lens assembly 24 also includes a secondary driving mechanism (not shown), the secondary lens is mounted on the secondary lens bracket, the secondary lens bracket is rotatably mounted in the housing 21, the secondary driving mechanism is arranged in the accommodating cavity 210 and connected to the secondary lens bracket, and the secondary driving mechanism is used to drive the secondary lens bracket to rotate to adjust the position of the secondary lens when reflecting light. Similarly, the secondary driving mechanism can be any driving mechanism as long as it can realize the driving of the secondary lens bracket to rotate.

[0046] In some embodiments, Figure 3-4As shown, the probe display also includes a circuit board 25, which is arranged in the accommodating cavity 210, and the circuit board 25 is respectively connected to the detector 3 and the drying device 4. In this way, the circuit board 25 can control the working state of the drying device 4 by receiving the detection result of the detector 3. It can be understood that the circuit board 25 is integrated with components such as MCU, resistors, capacitors, etc. When the detector 3 detects that the current air humidity value in the accommodating cavity 210 is greater than the preset humidity value, the detector 3 will transmit a signal to the MCU of the circuit board 25 for data processing, and the MCU on the circuit board 25 sends a preset instruction to the drying device 4 according to the processed result, thereby controlling the drying device 4 to work, thereby achieving the drying of the environment in the accommodating cavity 210 of the head-up display 2, and reducing the impact on the working parts arranged in the head-up display 2.

[0047] The detector 3 may be a temperature and humidity sensor, or other devices for detecting temperature and humidity, as long as it can detect the humidity of the air in the housing 21. In this embodiment, the detector 3 is a temperature and humidity sensor, and is installed in the housing 21 at a position far from the light source module 22 to reduce the interference of the heat generated by the light source module 22 when it is working on the detection of the detector 3.

[0048] In some embodiments, please combine Figure 1 and Figure 5 The drying device 4 includes an air storage component 41, an air inlet component 42 and an air outlet component 43. The air storage component 41 is disposed on the housing 21. Figure 6 As shown, the gas storage member 41 includes an isolated first cavity 41a and a second cavity 41b, the first cavity 41a stores dry gas, one end of the air inlet component 42 and the air outlet component 43 are both connected to the accommodating cavity 210, the other end of the air inlet component 42 is connected to the first cavity 41a, and the other end of the air outlet component 43 is both connected to the second cavity 41b. When the detector 3 detects that the current humidity in the accommodating cavity 210 exceeds the preset threshold, the dry gas in the first cavity 41a can enter the accommodating cavity 210 through the air inlet component 42, and the air outlet component 43 draws the gas in the accommodating cavity 210 to the second cavity 41b, thereby drawing the gas with water vapor in the accommodating cavity 210 out of the accommodating cavity 210, thereby providing a suitable working environment for the shell 21.

[0049] In some embodiments, Figure 6As shown, the gas storage member 41 includes a shell 411, a partition 412 and a push plate 413. The partition 412 is arranged in the shell 411 and constructs a first cavity 41a and a second cavity 41b. The push plate 413 is sealed and connected to the partition 412 and can move relative to the partition 412. When the gas outlet component 43 draws the gas in the accommodating cavity 210 into the second cavity 41b, the gas pressure in the second cavity 41b gradually increases and pushes the push plate 413 to squeeze the gas in the first cavity 41a. In this embodiment, a one-way conduction structure 414 is provided in the second cavity 41b to ensure that the gas drawn from the accommodating cavity 210 by the gas outlet component 43 can enter the second cavity 41b in one direction. The one-way conduction structure 414 can be a one-way valve or other structure, as long as it can achieve one-way conduction of gas.

[0050] In some embodiments, Figure 6 As shown, the one-way conducting structure 414 includes an elastic member 4141 and a blocking member 4142. The blocking member 4142 is fixedly disposed at one end of the elastic member 4141, and the other end of the elastic member 4141 is fixedly connected to the housing 411. The second cavity 41b includes a first chamber 4101 and a second chamber 4102. A connecting port 4103 for connecting the first chamber 4101 and the second chamber 4102 is provided on the partition plate 412. The elastic member 4141 pushes the blocking member 4142 against the connecting port 4103. When the gas sucked by the gas outlet assembly 43 fills the first chamber 4101 and reaches a predetermined gas pressure, the blocking member 4142 can be pushed to temporarily detach from the communication port 4103, so that the gas in the first chamber 4101 can enter the second chamber 4102, until the gas pressure in the first chamber 4101 is insufficient to push open the blocking member 4142, the elastic member 4141 will restore its deformation and push against the plunger to block the communication port 4103. At the same time, the gas in the second chamber 4102 can accumulate to a predetermined gas pressure and then push the push plate 413 to move, thereby squeezing the dry gas in the first chamber 41a to increase the gas pressure in the first chamber 41a.

[0051] In some embodiments, Figure 5 As shown, the air intake assembly 42 includes a switch valve 421, a first air intake pipe 422 and a second air intake pipe 423. The switch valve 421 is arranged on the housing 21. The two ends of the first air intake pipe 422 are respectively connected to the accommodating chamber 210 and the air outlet end of the switch valve 421. The two ends of the second air intake pipe 423 are respectively connected to the air intake end of the switch valve 421 and the first cavity 41a. It can be understood that when the humidity in the current accommodating chamber 210 exceeds the preset threshold, the circuit board 25 will control the switch valve 421 to open the airway between the accommodating chamber 210 and the first cavity 41a. Under the action of the air pressure difference between the first cavity 41a and the accommodating chamber 210, the dry gas in the first cavity 41a can be filled into the accommodating chamber 210.

[0052] In some embodiments, Figure 5 As shown, the air outlet assembly 43 includes a pump body 431, a first air outlet pipe 432 and a second air outlet pipe 433. The pump body 431 is arranged on the shell 21. The two ends of the first air storage pipe are respectively connected to the accommodating cavity 210 and the air inlet end of the pump body 431. The two ends of the second air outlet pipe 433 are respectively connected to the air outlet end of the pump body 431 and the second cavity 41b. The pump body 431 is used to suck the gas in the accommodating cavity 210 and pass it into the second cavity 41b.

[0053] It is understandable that in actual use, when the humidity in the current receiving chamber 210 exceeds a preset threshold, the circuit board 25 can first control the switch valve 421 to open to fill the dry gas and then wait for a period of time before controlling the pump body 431 to work, or can control the switch valve 421 and the pump body 431 to work at the same time, as long as the gas in the receiving chamber 210 can be replaced. The specific settings can be made according to needs.

[0054] It should be noted here that when the humidity in the accommodating cavity 210 of the head-up display 2 decreases, the dry gas in the first cavity 41a will continue to enter the accommodating cavity 210 through the air intake assembly 42, so that a certain pressure is maintained in the accommodating cavity of the head-up display 2, that is, the closing of the switch valve 421 is delayed so that the gas pressure in the accommodating cavity 210 rises and becomes stable, and then the switch valve 421 is closed.

[0055] In some embodiments, Figure 5 As shown, the drying device 4 also includes a filter 44, and the first air outlet pipe 432 includes a first pipe 4321 and a second pipe 4322, and the two ends of the first pipe 4321 are respectively connected to the accommodating chamber 210 and the air inlet end of the filter 44, and the two ends of the second pipe 4322 are respectively connected to the air outlet end of the filter 44 and the air inlet end of the pump body 431, so that the gas extracted from the accommodating chamber 210 can be filtered by the filter 44 and then supplied to the pump body 431, so as to reduce the influence of the humid gas on the pump body 431.

[0056] The head-up display module 1 provided in the embodiment of the present application includes a head-up display 2, a detector 3 and a drying device 4. The head-up display 2 includes a housing 21, and the housing 21 has a receiving chamber 210; the detector 3 is arranged in the housing 21 and located in the receiving chamber 210, and the detector 3 is used to detect the current humidity in the receiving chamber 210; the drying device 4 is arranged in the housing 21 and communicated with the receiving chamber 210, and the drying device 4 is configured to pass dry gas into the receiving chamber 210 when the current humidity in the receiving chamber 210 exceeds a preset threshold, and to extract the gas in the receiving chamber 210. In this way, the drying device 4 is used to fill the receiving chamber 210 with dry gas while extracting the gas with high humidity in the receiving chamber 210 out of the housing 21, which is conducive to reducing the humidity in the receiving chamber 210, and is conducive to the normal operation of the head-up display 2, and is more convenient to use.

[0057] Another embodiment of the present application provides a means of transport, comprising the head-up display module 1 of the above embodiment. The means of transport include but are not limited to buses, cars, RVs, electric cars, and the like.

[0058] The above description is only an implementation method of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present utility model.

Claims

1. A head-up display module, characterized in that: include: A head-up display comprises a housing having a receiving cavity; A detector, disposed in the housing and located in the accommodating cavity, the detector being used to detect the current humidity in the accommodating cavity; A drying device is disposed in the shell and communicated with the accommodating chamber. The drying device is configured to introduce dry gas into the accommodating chamber and to extract the gas in the accommodating chamber when the current humidity in the accommodating chamber exceeds a preset threshold.

2. The head-up display module according to claim 1, characterized in that: The drying device comprises an air storage component, an air inlet component and an air outlet component, wherein the air storage component is arranged on the housing, and the air storage component comprises a first cavity and a second cavity which are isolated from each other, wherein the first cavity stores dry gas, one end of the air inlet component and the air outlet component are both connected to the accommodating cavity, the other end of the air inlet component is connected to the first cavity, and the other end of the air outlet component is both connected to the second cavity; When the current humidity in the accommodating chamber exceeds the preset threshold, the dry gas in the first chamber can enter the accommodating chamber through the air inlet component, and the air outlet component draws the gas in the accommodating chamber into the second chamber.

3. The head-up display module according to claim 2, characterized in that: The air intake assembly includes a switch valve, a first air intake pipe and a second air intake pipe. The switch valve is arranged on the shell. The two ends of the first air intake pipe are respectively connected to the accommodating cavity and the air outlet end of the switch valve. The two ends of the second air intake pipe are respectively connected to the air intake end of the switch valve and the first cavity. The switch valve is configured to open the airway between the accommodating cavity and the first cavity when the humidity in the current accommodating cavity exceeds a preset threshold.

4. The head-up display module according to claim 2, characterized in that: The air outlet assembly includes a pump body, a first air outlet pipe and a second air outlet pipe. The pump body is arranged on the shell. The two ends of the first air outlet pipe are respectively connected to the accommodating cavity and the air inlet end of the pump body. The two ends of the second air outlet pipe are respectively connected to the air outlet end of the pump body and the second cavity. The pump body is used to suck the gas in the accommodating cavity and pass it into the second cavity.

5. The head-up display module according to claim 4, characterized in that: The drying device also includes a filter, and the first air outlet pipe includes a first pipe and a second pipe, the two ends of the first pipe are respectively connected to the accommodating cavity and the air inlet end of the filter, and the two ends of the second pipe are respectively connected to the air outlet end of the filter and the air inlet end of the pump body.

6. The head-up display module according to claim 2, characterized in that: The gas storage element comprises a shell, a partition and a push plate, wherein the partition is arranged in the shell and forms the first cavity and the second cavity, and the push plate is sealed and connected to the partition and can move relative to the partition; When the gas outlet assembly draws the gas in the accommodating cavity into the second cavity, the gas pressure in the second cavity gradually increases and pushes the push plate to squeeze the gas in the first cavity.

7. The head-up display module according to claim 1, characterized in that: The head-up display also includes a circuit board, which is arranged in the accommodating cavity. The circuit board is respectively connected to the detector and the drying device, and the circuit board is used to control the drying device to pass dry gas into the accommodating cavity and to absorb the gas in the accommodating cavity.

8. The head-up display module according to any one of claims 1 to 7, characterized in that: The head-up display also includes a light source module, a main lens assembly and a sub-lens assembly arranged in the accommodating cavity, the sub-lens of the sub-lens assembly faces the main lens of the main lens assembly, the light source module is used to emit light to the sub-lens assembly, the sub-lens assembly is used to reflect the light emitted by the light source module to the main lens assembly, and the main lens assembly is used to reflect the light reflected from the sub-lens assembly.

9. The head-up display module according to claim 8, characterized in that: The main lens assembly comprises a main lens and a main bracket, the main lens is mounted on the main bracket, and the main bracket is connected to the inner wall surface of the shell.

10. A means of transport, characterized in that: It comprises a head-up display module as described in any one of claims 1 to 9.

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