Headgear, backpack and protective clothing system

Abstract

The present invention proposes a head-mounted device, a back-mounted device and a protective clothing system, wherein the head-mounted device comprises: a head-mounted body; a ventilation duct, wherein the inlet of the ventilation duct is connected to the back-mounted device of the protective clothing system, and the outlet of the ventilation duct is arranged on the head-mounted body. The ventilation duct is used to transport air provided by the back-mounted device, thereby providing air supply support to the wearer of the clothing, thereby improving the comfort and work efficiency of the wearer.

Description

Technical Field

[0001] The present invention relates to the technical field of clothing, and in particular to a head-mounted device, a carrying device and a protective clothing system. Background Art

[0002] With the frequent occurrence of major epidemics and public health emergencies, the research and development of protective clothing for workers in high-risk biological contamination has been further strengthened at home and abroad. The protective clothing in the relevant technology can play a certain role in protecting the workers, but the problem with the relevant technology is that the protective clothing is not comfortable and cannot provide air supply support to the protective clothing personnel, resulting in low working efficiency of the personnel wearing the clothing. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, the first purpose of the present invention is to provide a head-mounted device to provide air supply support to the wearer, thereby improving the wearer's comfort and work efficiency.

[0005] A second objective of the present invention is to provide a carrying device.

[0006] A third object of the present invention is to provide a protective clothing system.

[0007] To achieve the above-mentioned purpose, the first aspect of the present invention proposes a head-mounted device, comprising: a head-mounted body; a ventilation pipe, the inlet of the ventilation pipe is connected to the back device of the protective clothing system, the outlet of the ventilation pipe is arranged on the head-mounted body, and the ventilation pipe is used to transport the air provided by the back device.

[0008] According to the head-mounted device of the embodiment of the present invention, the inlet of the ventilation pipe is connected to the back device of the protective clothing system, the outlet of the ventilation pipe is arranged on the head-mounted body, and the ventilation pipe is used to transport the air provided by the back device. Therefore, the head-mounted device of the embodiment of the present invention can provide air supply support for the wearer, thereby improving the comfort and work efficiency of the wearer.

[0009] According to one embodiment of the present invention, the head-mounted device further comprises: a fan, which is disposed on the top of the head-mounted body and is used to extract air from the head and send it to the top structure of the protective clothing.

[0010] According to an embodiment of the present invention, the fan is separated from the overhead structure of the protective clothing by a breathable structure.

[0011] According to one embodiment of the present invention, the head-mounted device also includes: at least one of a camera, a communication component and a lighting fixture, wherein the camera, the communication component and the lighting fixture are all arranged on the head-mounted body, and the camera, the communication component and the lighting fixture are also all connected to the back-mounted device for communication.

[0012] According to one embodiment of the present invention, the head-mounted device further comprises: a bracket arranged on the head-mounted body, the bracket being used to support the communication component, and / or the bracket being used to support a nutrient solution straw for conveying nutrient solution.

[0013] To achieve the above-mentioned purpose, the second aspect of the present invention proposes a carrying device, comprising: a backpack body; a fan outlet duct, one end of which is connected to the head-mounted device of the protective clothing system; a fan inlet duct, one end of which is connected to the air inlet of the protective clothing through a connector and is connected to the outside world, wherein a filter element assembly is provided in the fan inlet duct to filter the air, or a filter element assembly is provided on the side of the air inlet of the protective clothing facing the outside world to filter the air; a fan, one end of which is connected to the other end of the fan inlet duct, and the other end of which is connected to the other end of the fan outlet duct.

[0014] According to the backpack device of the embodiment of the present invention, one end of the fan outlet pipe is connected to the headgear of the protective clothing system, and one end of the fan inlet pipe is connected to the air inlet of the protective clothing through a connector and communicated with the outside world, wherein a filter element assembly is provided in the fan inlet pipe to filter the air, or a filter element assembly is provided on the side of the air inlet of the protective clothing facing the outside world to filter the air. Therefore, the backpack device of the embodiment of the present invention can provide air supply support for the wearer, and improve the comfort and work efficiency of the wearer.

[0015] According to one embodiment of the present invention, the carrying device also includes: a display and operation unit, which is used to receive the user's operating instructions and also for displaying information; a sensor, which is used to detect the internal environmental parameters of the protective clothing; a control board, which is connected to the sensor, the display and operation unit and the fan, and the control board is used to obtain the user's operating instructions and the internal environmental parameters of the protective clothing, and control the rotation speed of the fan; and a battery assembly, which is connected to the control board to supply power to the control board.

[0016] According to one embodiment of the present invention, the control panel includes: a control chip; a receiving unit, the receiving unit is connected to the control chip and the display and operation unit, the receiving unit is used to identify the operation instructions received by the display and operation unit, and transmit the identification result to the control chip; a display driving unit, the display driving unit is connected to the control chip and the display and operation unit, the display driving unit is used to drive the display and operation unit to display information under the control of the control chip; a signal acquisition and processing unit, the signal acquisition and processing unit is connected to the control chip and the sensor, the signal acquisition and processing unit is used to process the internal environmental parameters detected by the sensor, and send the processing results to the control chip; a fan drive unit, the fan drive unit is connected to the control chip and the fan, the fan drive unit is used to control the speed of the fan under the control of the control chip; a power management unit, the power management unit is connected to the battery assembly and the control chip, the power management unit is used to process the power of the battery assembly and convert the voltage of the battery assembly.

[0017] According to an embodiment of the present invention, the control board is also connected to the fan of the head-mounted device, and is connected to at least one of the camera, call component and lighting of the head-mounted device, and the control board includes: a fan control unit, the fan control unit is connected to the control chip and the fan, and the fan control unit controls the fan under the control of the control chip; a wireless communication unit, the wireless communication unit is connected to the control chip; at least one of a lighting control unit, an image acquisition unit and a voice drive unit, the lighting control unit is connected to the control chip and the lighting, and the lighting control unit controls the lighting under the control of the control chip, the image acquisition unit is connected to the control chip and the camera, the image acquisition unit is used to acquire images through the camera and send the acquired images to the control chip, the voice drive unit is connected to the control chip and the call component, the voice drive unit is used to acquire voice through the call component and send the acquired voice to the control chip, and is also used to drive the call component to emit voice under the control of the control chip; wherein the control chip is also used to send the acquired images and / or voices through the wireless communication unit, and is also used to receive images and / or voices sent from the outside through the wireless communication unit.

[0018] According to an embodiment of the present invention, the display and operation unit is arranged outside the backpack body.

[0019] According to one embodiment of the present invention, the carrying device also includes: a nutrient solution storage unit, which is used to store nutrient solution; a nutrient solution straw, one end of which is connected to the nutrient solution storage unit, and the other end of which can extend to the head-mounted device, and the nutrient solution straw is used to transport the nutrient solution.

[0020] To achieve the above-mentioned purpose, a third aspect of the present invention provides a protective clothing system, comprising: a head-mounted device as described in the first aspect of the present invention; and a carrying device as described in the second aspect of the present invention.

[0021] The protective clothing system according to the embodiment of the present invention can provide air supply support for the wearer through the head-mounted device and the back-mounted device, thereby improving the comfort and work efficiency of the wearer.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0024] Figure 1 is a block diagram of a head mounted device according to an embodiment of the present invention;

[0025] Figure 2 is a schematic structural diagram of a head mounted device according to an embodiment of the present invention;

[0026] Figure 3 is a block diagram of a backpack device according to an embodiment of the present invention;

[0027] Figure 4 is a schematic structural diagram of a carrying device according to an embodiment of the present invention; and

[0028] Figure 5 FIG. 4 is a block diagram of a carrying device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] The head-mounted device, the backpack device and the protective clothing system according to the embodiments of the present invention are described below with reference to the accompanying drawings.

[0031] Figure 1 FIG. 1 is a block diagram of a head mounted device according to an embodiment of the present invention. Figure 1 As shown, the head-mounted device 1 according to the embodiment of the present invention comprises: a head-mounted body 10 and a ventilation tube 11 .

[0032] The inlet of the ventilation pipe 11 is connected to the back device 2 of the protective clothing system, and the outlet of the ventilation pipe 11 is arranged on the head-mounted body 10 . The ventilation pipe 11 is used to transport the air provided by the back device 2 .

[0033] It can be understood that the inlet of the ventilation pipe 11 is connected to the back device 2 of the protective clothing system, specifically, the inlet of the ventilation pipe 11 is connected to the fan outlet pipe 21 on the back device 2, and the outlet of the ventilation pipe 11 is arranged on the head-mounted body 10, specifically, the outlet of the ventilation pipe 11 is arranged on the forehead of the head-mounted body 10, and the ventilation pipe 11 is used to transport the air provided by the back device 2, so as to provide breathing air for the wearer, and at the same time, it can also play the role of defog the face window. It should be noted that the protective clothing of the embodiment of the present invention can be a positive pressure protective clothing.

[0034] Further, according to one embodiment of the present invention, Figure 2 As shown, the head-mounted device 1 further includes: a fan 12, which is disposed on the top of the head-mounted body 10, and is used to extract air from the head and deliver it to the top structure of the protective clothing.

[0035] According to one embodiment of the present invention, the fan 12 is separated from the top structure of the protective clothing by a breathable structure.

[0036] It can be understood that the fan 12 is separated from the top structure of the protective clothing by a breathable structure such as a breathable cloth, and the air flow direction of the fan 12 is from bottom to top, so that the hot air of the head can be extracted and sent to the top structure of the protective clothing. At the same time, in conjunction with the top structure of the protective clothing, the air can be rebounded to the face window area and the mouth and nose area, so that the fan 12 can play the role of heat dissipation of the head, defogging of the face window, and air circulation in the mouth and nose area. The fan 12 is powered by a DC power supply with a voltage not higher than 36V.

[0037] Further, according to one embodiment of the present invention, Figure 2 As shown, the head-mounted device 1 further includes: at least one of a camera 13, a call component 14 and a lighting lamp 15, which are all arranged on the head-mounted body 10, and are also connected to the back device 2 for communication. The call component 14 may be an earphone.

[0038] According to one embodiment of the present invention, Figure 2As shown, the head-mounted device 1 further includes: a bracket 16 disposed on the head-mounted body 10, the bracket 16 is used to support the communication component 14, and / or the bracket 16 is used to support a nutrient solution straw 28 for conveying nutrient solution.

[0039] In addition, in one embodiment of the present invention, Figure 2 As shown, the head-mounted device 1 also includes: a cable 17 arranged on the head-mounted body 10, and the cable 17 is connected to the cable 27 arranged on the back device 2, wherein the fan 12 and at least one of the camera 13, the call component 14 and the lighting lamp 15 are connected to the back device 2 via the cable 17 to communicate with the back device 2 via the cable 17.

[0040] In summary, according to the head-mounted device of the embodiment of the present invention, the inlet of the ventilation pipe is connected to the back device of the protective clothing system, the outlet of the ventilation pipe is arranged on the head-mounted body, and the ventilation pipe is used to transport the air provided by the back device. Therefore, the head-mounted device of the embodiment of the present invention can provide air supply support for the wearer, thereby improving the comfort and work efficiency of the wearer.

[0041] Based on the head-mounted device of the above embodiment, an embodiment of the present invention further provides a carrying device.

[0042] Figure 3 FIG. 2 is a block diagram of a carrying device according to an embodiment of the present invention. Figure 3 As shown, the backpack device 2 of the embodiment of the present invention includes: a backpack body 20, a fan air outlet pipe 21, a fan air inlet pipe 22 and a fan 23.

[0043] Among them, one end of the fan outlet duct 21 is connected to the head-mounted device 1 of the protective clothing system; one end of the fan inlet duct 22 is connected to the air inlet of the protective clothing through a connector 220 and is connected to the outside world, wherein a filter element assembly is arranged in the fan inlet duct 22 to filter the air, or a filter element assembly is arranged on the side of the air inlet of the protective clothing facing the outside world to filter the air; one end of the fan 23 is connected to the other end of the fan inlet duct 22, and the other end of the fan 23 is connected to the other end of the fan outlet duct 21.

[0044] It can be understood that after the fan 23 is started, the outside air can enter from the fan air inlet pipe 22, and after being filtered by the filter core assembly, enter the ventilation pipe 11 of the headgear 1 of the protective clothing system from the fan air outlet pipe 21, or the outside air can first be filtered by the filter core assembly, then enter from the fan air inlet pipe 22, and then enter the ventilation pipe 11 of the headgear 1 of the protective clothing system from the fan air outlet pipe 21, and the ventilation pipe 11 transports the air provided by the backpack 2, so as to provide breathing air for the wearer. Among them, the filter core assembly can filter viruses, bacteria or other particulate matter in the air, and the filter core assembly can be directly discarded with the disinfection of the protective clothing.

[0045] Further, according to one embodiment of the present invention, Figure 4 As shown, the backpack 2 also includes: a display and operation unit 24, a sensor 25, a control panel 26 and a battery assembly 27. The display and operation unit 24 is used to receive the user's operation instructions and also for information display; the sensor 25 is used to detect the internal environmental parameters of the protective clothing; the control panel 26 is connected to the sensor 25, the display and operation unit 24 and the fan 23, and the control panel 26 is used to obtain the user's operation instructions and the internal environmental parameters of the protective clothing, and control the rotation speed of the fan 23; and the battery assembly 27 is connected to the control panel 26 to supply power to the control panel 26.

[0046] It is understood that the user can input operation instructions for controlling the lighting 15, the fan 12 in the head-mounted device 1, and the blower 23 in the backpack 2 through the display and operation unit 24. In addition, the display and operation unit 24 can also display the time the user wears the protective clothing, the battery power, the sensor measurement data, and the working status of other devices.

[0047] The sensor 25 may include a temperature sensor, a humidity sensor, an air pressure sensor, a carbon dioxide content sensor, an oxygen content sensor, etc. The above sensors can be used to measure the internal environmental parameters of the protective clothing, such as temperature, humidity, carbon dioxide concentration, and oxygen concentration.

[0048] After the display and operation unit 24 receives the user's operation instructions and the sensor 25 detects the internal environmental parameters of the protective suit, the control panel 26 obtains the user's operation instructions and the internal environmental parameters of the protective suit, and controls the rotation speed of the fan 23 to control the ventilation volume and pressure inside the protective suit.

[0049] According to an embodiment of the present invention, the display and operation unit 24 is disposed outside the backpack body 20 .

[0050] It is understandable that the display and operation unit 24 can be made of a flexible material and can be tied to the wrist or forearm of the user when in use. In addition, when the battery power is low or the carbon dioxide concentration is too high, an alarm can be issued through the call component 14 and / or the display and operation unit 24 in the head-mounted device 1 to ensure the life safety of the user.

[0051] Specifically, according to one embodiment of the present invention, Figure 5As shown, the control board 26 includes: a control chip 260, a receiving unit 261, a display driving unit 262, a signal acquisition processing unit 263, a fan driving unit 264 and a power management unit 265. The receiving unit 261 is connected to the control chip 260 and the display and operation unit 24. The receiving unit 261 is used to identify the operation instructions received by the display and operation unit 24 and transmit the identification results to the control chip 260; the display driving unit 262 is connected to the control chip 260 and the display and operation unit 24. The display driving unit 262 is used to drive the display and operation unit 24 to display information under the control of the control chip 260; the signal The acquisition and processing unit 263 is connected to the control chip 260 and the sensor 25. The signal acquisition and processing unit 263 is used to process the internal environmental parameters detected by the sensor 25 and send the processing results to the control chip 260; the fan drive unit 264 is connected to the control chip 260 and the fan 23. The fan drive unit 264 is used to control the rotation speed of the fan 23 under the control of the control chip 260; the power management unit 265 is connected to the battery assembly 27 and the control chip 260. The power management unit 265 is used to process the power of the battery assembly 27 and convert the voltage of the battery assembly 27 to provide power supply voltage for each module.

[0052] Further, according to one embodiment of the present invention, the control panel 26 is also connected to the fan 12 of the head-mounted device 1 , and is connected to at least one of the camera 13 , the call component 14 and the lighting lamp 15 of the head-mounted device 1 .

[0053] like Figure 5 As shown, the control board 26 includes: a fan control unit 266, a wireless communication unit 267, and at least one of a lighting control unit 268, an image acquisition unit 269, and a voice drive unit 270. The fan control unit 266 is connected to the control chip 260 and the fan 12. The fan control unit 266 controls the fan 12 under the control of the control chip 260, such as controlling the start and stop of the fan 12; the wireless communication unit 267 is connected to the control chip 260; the lighting control unit 268 is connected to the control chip 260 and the lighting lamp 15, and the lighting control unit 268 is connected to the control chip The lighting lamp 15 is controlled under the control of 260, for example, the switch of the lighting lamp 15 is controlled; the image acquisition unit 269 is connected to the control chip 260 and the camera 13, the image acquisition unit 269 is used to acquire images through the camera 13, and send the acquired images to the control chip 260, the voice drive unit 270 is connected to the control chip 260 and the call component 14, the voice drive unit 270 is used to acquire voice through the call component 14, and send the acquired voice to the control chip 260, and is also used to drive the call component 14 to emit voice under the control of the control chip 260.

[0054] The control chip 260 is also used to send the collected images and / or voices through the wireless communication unit 267, and is also used to receive the images and / or voices sent from the outside through the wireless communication unit 267. The wireless communication unit 267 can be a wifi communication unit, or a 4G or 5G communication unit.

[0055] It can be understood that the image acquisition unit 269 acquires images through the camera 13 and sends the acquired images to the control chip 260. The control chip 260 then sends the received images to the control room through the wireless communication unit 267 so that the control room personnel can observe and record the user's operation.

[0056] Further, according to one embodiment of the present invention, Figure 4 As shown, the carrying device 2 also includes: a nutrient solution storage unit 27 and a nutrient solution straw 28, the nutrient solution storage unit 27 is used to store nutrient solution; one end of the nutrient solution straw 28 is connected to the nutrient solution storage unit 27, and the other end of the nutrient solution straw 28 can extend to the head-mounted device 1, and the nutrient solution straw 28 is used to transport nutrient solution.

[0057] In summary, according to the backpack device of the embodiment of the present invention, one end of the fan outlet duct is connected to the head-mounted device of the protective clothing system, and one end of the fan inlet duct is connected to the air inlet of the protective clothing through a connector and communicated with the outside world, wherein a filter element assembly is provided in the fan inlet duct to filter the air, or a filter element assembly is provided on the side of the air inlet of the protective clothing facing the outside world to filter the air. Therefore, the backpack device of the embodiment of the present invention can provide air supply support for the wearer, and improve the comfort and work efficiency of the wearer.

[0058] Based on the head-mounted device and the back-mounted device of the above-mentioned embodiment, the embodiment of the present invention further provides a protective clothing system, including the above-mentioned head-mounted device and the back-mounted device.

[0059] It can be understood that the wearing method of the protective clothing in the embodiment of the present invention is: first put on the back device and the head-mounted device, and fix the display and operation unit on the wrist or forearm, connect the cable on the head-mounted device with the cable on the back device, connect the ventilation pipe on the head-mounted device with the fan outlet pipe on the back device, fix the nutrient solution straw and the call component on the bracket, then put on the protective clothing, and connect one end of the fan inlet pipe to the air inlet of the protective clothing through a connector.

[0060] The protective clothing of the embodiment of the present invention is used as follows: the user inputs operating instructions through the display and operating unit and observes the display information of the display and operating unit as needed. In addition, the user can also directly communicate through the communication component and replenish energy through the nutrient solution straw.

[0061] In summary, the protective clothing system according to the embodiment of the present invention, through the set head-mounted device and back-carrying device, can provide the wearer with functions such as air supply support, nutritional support, communication support and environmental monitoring, thereby improving the comfort and work efficiency of the wearer.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0063] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0064] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present invention belong.

[0065] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute the instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purpose of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or more wires (electronic device), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or processing in other suitable ways if necessary, and then stored in a computer memory.

[0066] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0067] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0068] In addition, each functional unit in each embodiment of the present invention may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0069] The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, etc. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. A person of ordinary skill in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A head mounted device, characterized in that: include: Wear the main body on the head; A ventilation pipe, the inlet of which is connected to the back device of the protective clothing system, the outlet of which is arranged on the head-mounted body, and the ventilation pipe is used to transport air provided by the back device; The fan is arranged on the top of the head-mounted body, and the fan is separated from the top structure of the protective suit by a breathable structure. The airflow direction of the fan is from bottom to top, and is used to extract the hot air from the head and send it to the top structure of the protective suit, and cooperate with the top structure of the protective suit to rebound the air to the face window area and the mouth and nose.

2. The head-mounted device according to claim 1, characterized in that: Also includes: At least one of a camera, a communication component and a lighting lamp, wherein the camera, the communication component and the lighting lamp are all arranged on the head-mounted body, and the camera, the communication component and the lighting lamp are also connected to the carrying device for communication.

3. The head-mounted device according to claim 2, characterized in that: Also includes: A bracket is arranged on the head-mounted body, and the bracket is used to support the communication component, and / or the bracket is used to support a nutrient solution straw for conveying nutrient solution.

4. A carrying device, characterized in that: include: Backpack body; A fan outlet duct, one end of which is connected to the head-mounted device according to any one of claims 1 to 3 of the protective clothing system; A fan air inlet pipe, one end of which is connected to the air inlet of the protective suit through a connector and communicated with the outside world, wherein a filter element assembly is provided in the fan air inlet pipe to filter the air, or a filter element assembly is provided on the side of the air inlet of the protective suit facing the outside world to filter the air; A fan, one end of the fan is connected to the other end of the fan air inlet duct, and the other end of the fan is connected to the other end of the fan air outlet duct; A display and operation unit, the display and operation unit is used to receive operation instructions from the user and also to display information; Sensors, including temperature sensors, humidity sensors, air pressure sensors, carbon dioxide content sensors, and oxygen content sensors, are used to detect internal environmental parameters of the protective clothing, including temperature, humidity, carbon dioxide concentration, and oxygen concentration; A control panel, the control panel being connected to the sensor, the display and operation unit and the fan, the control panel being used to obtain the user's operation instructions and the internal environment parameters of the protective clothing, and to control the rotation speed of the fan; and A battery assembly is connected to the control board to supply power to the control board.

5. The carrying device according to claim 4, characterized in that: The control panel comprises: Control chip; A receiving unit, the receiving unit is connected to the control chip and the display and operation unit, and the receiving unit is used to identify the operation instructions received by the display and operation unit, and transmit the identification result to the control chip; A display driving unit, the display driving unit is connected to the control chip and the display and operation unit, and the display driving unit is used to drive the display and operation unit to display information under the control of the control chip; A signal acquisition processing unit, the signal acquisition processing unit is connected to the control chip and the sensor, the signal acquisition processing unit is used to process the internal environment parameters detected by the sensor and send the processing results to the control chip; A fan drive unit, the fan drive unit is connected to the control chip and the fan, and the fan drive unit is used to control the rotation speed of the fan under the control of the control chip; A power management unit is connected to the battery assembly and the control chip, and is used to process the power of the battery assembly and convert the voltage of the battery assembly.

6. The carrying device according to claim 5, characterized in that: The control panel is also connected to the fan of the head-mounted device, and is connected to at least one of the camera, the call component and the lighting of the head-mounted device, and the control panel includes: A fan control unit, the fan control unit is connected to the control chip and the fan, and the fan control unit controls the fan under the control of the control chip; A wireless communication unit, wherein the wireless communication unit is connected to the control chip; At least one of a lighting control unit, an image acquisition unit, and a voice drive unit, wherein the lighting control unit is connected to the control chip and the lighting lamp, and the lighting control unit controls the lighting lamp under the control of the control chip, the image acquisition unit is connected to the control chip and the camera, and the image acquisition unit is used to acquire images through the camera and send the acquired images to the control chip, the voice drive unit is connected to the control chip and the call component, and the voice drive unit is used to acquire voice through the call component and send the acquired voice to the control chip, and is also used to drive the call component to emit voice under the control of the control chip; The control chip is further used to send the collected images and / or voices through the wireless communication unit, and is also used to receive the images and / or voices sent from the outside through the wireless communication unit.

7. The carrying device according to claim 4, characterized in that: The display and operation unit is arranged outside the backpack body.

8. The carrying device according to claim 4, characterized in that: Also includes: A nutrient solution storage unit, wherein the nutrient solution storage unit is used to store the nutrient solution; A nutrient solution straw, one end of which is connected to the nutrient solution storage unit, and the other end of which can extend to the head-mounted device, and the nutrient solution straw is used to transport the nutrient solution.

9. A protective clothing system, characterized in that: include: A head mounted device as claimed in any one of claims 1 to 3; as well as A backpack as claimed in any one of claims 4 to 8.

Images