WO2014101890A1

WO2014101890A1 - Helmet-type thermal imaging apparatus

Info

Publication number: WO2014101890A1
Application number: PCT/CN2013/091149
Authority: WO
Inventors: 王浩
Original assignee: Wang Hao
Priority date: 2012-12-31
Filing date: 2013-12-31
Publication date: 2014-07-03
Also published as: CN204128687U

Abstract

A helmet-type thermal imaging apparatus comprises a helmet (300) provided with a hole-opening portion; and a thermal imaging apparatus (100) used to obtain infrared data through photographing, and the thermal imaging apparatus (100) or a main body part is installed inside the helmet (300), and performs photographing through the hole-opening portion of the helmet (300). The thermal imaging apparatus or the main body part is installed inside the helmet, so as to solve problems in the prior art that a thermal imaging apparatus is installed outside a helmet which easily results in that the comfortableness of helmet wearing is reduced, the helmet weight is increased and the helmet is easily damaged.

Description

Helmet thermal imaging device

Technical field

The helmet type thermal imaging device of the present invention relates to the field of application of infrared thermal imaging.

Background technique

There is such a technique that the thermal image device is mounted on the outside of the helmet, the eyepiece is used for observation, and the operation related to the infrared image is taken to perform infrared shooting, and the user wears such a helmet to liberate the user's hands. The power, fire, defense and other industries have been well applied. Such a helmet type thermal imaging device is disclosed in, for example, the patent document 201210164072.0, see the prior art helmet type thermal imaging device shown in Fig. 2.

However, the prior art has problems in the following aspects:

1) Installation on the outside of the helmet may cause uneven load on the user's head, which affects the comfort of the helmet;

2) Installation on the outside of the helmet requires consideration of factors such as the thermal protection device's own protection and other factors, resulting in an increase in the weight of the thermal image device;

3) The thermal image device mounted on the outside of the helmet is easily damaged due to the user's handling and connection lines, etc. The above problems affect the use of the helmet type thermal imaging device, and in special industries, the thermal imaging device of the above-mentioned manner The heat generated causes the concealability of the user to deteriorate.

Therefore, it is understood that there is a need for a helmet type thermal imaging device that solves the above problems.

Summary of the invention

The present invention provides a helmet type thermal imaging device which can solve the above problems existing in the prior art and is convenient to use.

To this end, the present invention adopts the following technical solutions, a helmet type thermal imaging device, including:

a helmet, wherein the helmet has an opening portion;

a thermal image device for obtaining infrared data by photographing;

Wherein, the thermal image device is mounted inside the helmet and is photographed through the opening portion of the helmet.

Further, the helmet type thermal imaging device includes an infrared window disposed in the opening portion.

Further, the infrared window is fixed to the opening portion through the mounting frame.

Further, the opening portion is provided at a front portion of the helmet.

Further, the mounting frame has a first mounting portion for mounting the infrared window on the mounting frame, and a second mounting portion for mounting the mounting frame to the opening portion of the helmet.

Further, the second mounting portion is configured to mount the mounting frame on the opening portion of the helmet through the sealant and/or the thread on the mounting frame and the corresponding nut.

Further, the infrared window is a material that can transmit infrared light.

Further, the infrared window is a single crystal germanium as a window material, and an antireflection film is added on the infrared window to enhance the transmittance of infrared light.

Further, the helmet is provided with a pad, and the thermal image device is disposed in a space between the top of the helmet and the pad. Further, the helmet is internally provided with a partition connected to the helmet for isolating the thermal image device from the human head.

Further, the helmet is provided with a partition, and the thermal image device is disposed between the inner wall of the helmet and the partition.

Further, the thermal image device is fixedly coupled to the helmet by a connector that secures the thermal image device to the top and/or sides of the interior of the helmet.

Further, the helmet type thermal imaging device includes display means for observing the infrared thermal image generated by the infrared data captured by the thermal image device. Further, the display device is connected to the thermal image device by wire or wirelessly.

Further, the size of the display device is 0.5 to 6 inches; the overall thickness of the foregoing display screen is less than 15 inches.

Further, the display device is provided with a detachable hood.

Further, the inside of the helmet is provided with a partition connected to the helmet, and the partition is used to isolate the thermal image device from the human head. Further, the main body portion of the thermal image device is mounted on the spacer, and the main portion of the thermal imaging device includes an infrared sensor and a circuit board.

Further, the display is an eyepiece.

Further, the thermal image device includes an alarm portion for outputting an alarm signal.

Further, the helmet type thermal imaging device includes an operation portion and a recording portion for operation, and recording infrared data obtained by photographing.

Further, the thermal image device includes an operation portion and a recording portion for operation while recording infrared data obtained by photographing.

Further, the helmet includes a suspension system, and the suspension system is provided with a friction pad that increases friction and wearing comfort. Further, the friction pad is provided in a combination of one or more positions of the suspension system.

Further, the suspension system includes a cap and the aforementioned friction pad.

The present invention also provides a helmet type thermal imaging device, comprising: a helmet; a thermal imaging device for obtaining infrared data by photographing; wherein the main body of the thermal image device is mounted inside the helmet, Some or all of the optical components of the thermal imaging device are located outside the helmet and are connected to the thermal image device through the opening of the helmet.

In the present invention, the conventional mounting method of the helmet type thermal image device is broken, and the thermal image device is disposed inside the helmet, so that the thermal image device 100 itself is in the protective internal environment of the helmet, compared to the conventional thermal imaging device. Protection against protection is no longer required, so that the protection technology for the thermal imaging device is simple, and even the thermal imaging device 100 does not require a protective casing. The weight and cost of the thermal image device 100 can be greatly reduced; the overall comfort is improved for the worker wearing the helmet type thermal imaging device of the present invention.

In order to further enhance the wearing comfort, the present invention can design a special helmet suspension system, and a friction pad which increases friction and wearing comfort at the contact point of the suspension system with the head, considering the overall thermal imaging device of the helmet. The weight is reduced, and the position of the friction pad can be placed at any position according to the overall center of gravity of the helmet, thereby facilitating adjustment of the center of gravity of the helmet suspension system, so that the wearing comfort is further improved.

BRIEF DESCRIPTION OF THE DRAWINGS:

Fig. 1 is a perspective view showing the helmet type thermal imaging device of the first embodiment.

2 is an external view of a prior art helmet type thermal imaging device.

Fig. 3 is a view showing the configuration of a helmet type thermal imaging device in the first embodiment.

Fig. 4 is a schematic view showing a portable display device.

Fig. 5 is a view showing the configuration of a helmet type thermal imaging device of the second embodiment.

Fig. 6 is a schematic structural view showing a helmet type thermal imaging device according to still another embodiment.

Figure 7 is a schematic illustration of the infrared window installation.

Fig. 8 is a circuit block diagram showing a thermal imaging device and a display device connected thereto according to a first embodiment of the present invention. Fig. 9 is a circuit block diagram showing another thermal imaging device and a display device connected thereto according to a third embodiment of the present invention. Figure 10 is a block diagram showing the circuit principle of still another thermal imaging device and a display device connected thereto according to a fourth embodiment of the present invention. Figure 11 is a block diagram showing the circuit principle of a thermal imaging device according to a fifth embodiment of the present invention. Fig. 12 is a view showing the external structure of the helmet type thermal imaging device of the sixth embodiment.

Figure 13 is a schematic view showing the internal outline structure of the helmet type thermal imaging device of Embodiment 6;

Fig. 14 is a schematic view showing a suspension system of the helmet type thermal imaging device of the sixth embodiment. detailed description

Exemplary embodiments of the present invention will now be described in detail in accordance with the accompanying drawings. It is to be noted that the embodiments described below are intended to better understand the present invention, and thus the scope of the present invention is not limited, and various forms within the scope of the present invention may be changed.

2 is an external view of a prior art helmet-type thermal imaging device including a helmet 602, an eyepiece 603, and a thermal imaging device 601 mounted on the outside of the helmet.

Example 1 (refer to Figures 1, 3, 4, 7):

1 is an external view of a first embodiment of a helmet type thermal image device according to the present invention.

The appearance of the helmet type thermal image device includes a helmet 300 (with the thermal image device 100 mounted therein), an infrared window 200 mounted at the opening portion of the helmet, and an eyepiece 400 for the user to observe the infrared thermal image.

As shown in Fig. 3, a schematic view of the mounting of the thermal imaging device 100 of the present invention in a helmet is shown. In Fig. 3, the thermal image device 100 of the embodiment 1 is of a unitary structure and is mounted on the top of the inside of the helmet.

The helmet is provided with a pad 301 for protecting the user's head and wearing a cushion.

a connector 101 for connecting the thermal image device 100 to the helmet 300; the connector 101 may be a screw (the inner wall of the helmet 300 has a corresponding screw mounting hole), an adhesive, and a helmet-connected clamp inside the helmet A fixed connection member that connects the thermal image device 100 to the helmet 300.

The thermal imaging device 100 can be configured according to the space between the top of the helmet and the pad 301, and the composition of each functional component. The thermal image device 100 can be configured to be curved according to the curvature of the top of the inside of the helmet, and The connecting member 101 is connected to the top of the inner portion of the helmet, and the optical member 105 of the thermal image device 100 receives infrared light from the outside through the opening portion of the helmet 300. And, in a preferred embodiment, an infrared window is provided at the opening portion. 200 is used to receive infrared light; for example, an infrared window 200 is installed at the opening portion for protection (such as waterproofing, dustproofing, etc.).

The eyepiece 400 described above is for the user to observe the infrared thermal image, but is not limited to the eyepiece, and a display device wired or wirelessly connected to the thermal image device 100 may be used. The portable display device 401 shown in Fig. 4 includes a display portion, or further includes an operation portion for the user to issue an operation instruction, or a recording portion for recording the infrared data obtained by the shooting. The display device coupled to the helmet type thermal imaging device can be, for example, an eyepiece 400, and/or other type of display device, such as a portable display device 401. Further, the display device is not essential, and the display device may not be provided.

Referring to Fig. 7, a schematic view of the mounting of the infrared window 200 to the opening portion of the helmet will be described.

As shown in FIG. 7, the infrared window 200 can be fixed to the opening portion through the mounting frame 201. The mounting frame 201 has a first mounting portion and a second mounting portion. The first mounting portion is used for mounting the infrared window 200 on the mounting frame 201, such as by the internal thread of the mounting frame 201 and the nut 203 matched thereto. The infrared window 200 is fixed to the mounting frame 201, and further has a sealant 204 or the like (or a rubber pad, a gasket, etc.) at the contact portion. The second mounting portion is used to mount the mounting frame 201 to the opening portion of the helmet 300, such as the mounting frame 201 is mounted on the opening portion of the helmet by the threads on the sealant and/or the mounting frame 201 and the corresponding nut 202. The mounting frame 201, the inner nut 202, and the outer nut 203 constitute a component in which the helmet and the infrared window 200 are coupled to each other; the foregoing sealant may be replaced by a rubber pad, a gasket or the like. In this embodiment, the mounting frame 201 is used to install the infrared window. In other embodiments, the infrared window is not limited to being installed through the mounting frame, and the infrared window may be installed in other manners, for example, The infrared window is attached to the opening portion with an adhesive.

In this embodiment, the infrared window is installed at the position of the opening portion, and is not limited to the installation of the infrared window at the opening portion. In other embodiments, for example, the optical portion may be mounted at the opening portion. Component 105, as shown in Figure 6; or in the manner in which an infrared window is mounted directly on the optical component is also within the scope of the present invention.

A preferred mode in this embodiment is that the thermal image device 100 is mounted inside the helmet, and the optical component is also disposed inside the helmet; and, preferably, the shape of the helmet can be adjusted to wrap the optical component.

Further, as a modified form of the embodiment, the main body portion of the thermal image device 100 is mounted inside the helmet, and the optical member (lens) is partially or entirely disposed outside the helmet corresponding to the opening portion (as shown in FIG. 6). It is also possible to position the lens substantially flush with the opening of the helmet (in a form located inside the helmet).

In FIG. 3, the thermal image device 100 has a single structure, but is not limited thereto, and may be configured as a plurality of separate components to constitute the thermal image device 100, and the plurality of separate components pass through. Corresponding communication cables and the like are connected to each other to form a thermal image device 100, such as the thermal image device 100 shown in Fig. 5 (constructed by separate components 1, 2, 3, 4, 5, and the illustrations are omitted between the components Cables such as dedicated cables, etc.). It will be apparent that the separate components described above may be provided with respective housings and/or partitions that are isolated from the pads 301 and the like.

In the present embodiment, the thermal image device 100 is mounted on the top of the interior of the helmet, but is not limited thereto, and may be configured to be mounted on any helmet inner wall between the top of the helmet and the pad 301 in contact with the human head. When the helmet pad 301 has a support structure design, it is also conceivable to mount the thermal image device 100 to the support structure. The support structure may be, for example, a rigid mechanism connected to the pad 301, and the support structure is located on the pad. Above 301. Also, in some applications, the thermal image device 100 or components constituting the thermal image device 100 may be mounted to other parts of the interior of the helmet 100. The members 1, 5 as shown in Fig. 5 are arranged to be fixed to the front and rear inner walls and the like inside the helmet.

The aforementioned infrared window may be various infrared light-transmitting materials, such as an artificial crystal material. Preferably, a single crystal germanium is used as a window material, and the transmittance of infrared light of 3-5 or 8-14 micrometers is 95%. Further, in addition, an antireflection film or the like is further plated on the window material to enhance the transmittance of infrared light or to enhance the abrasion resistance.

The openings may be openings of various shapes and sizes, such as circular, square, diamond, etc.; the openings include at least one hole. Preferably, the shape and size of the opening are configured according to the lens size and the aperture.

Example 2 (refer to Figure 5):

The second embodiment differs from the first embodiment in that the thermal imaging device 100 is composed of a plurality of separate components, and when the thermal imaging device 100 is configured as a plurality of separate components, the separate components of the thermal imaging device 100 are constructed. At least one of them is coupled to the helmet 300.

The plurality of separate components are connected to each other by a corresponding communication cable or the like to constitute the thermal image device 100, such as the thermal image device 100 shown in Fig. 5 (constructed by separate components 1, 2, 3, 4, 5, The connection lines between the components such as a dedicated cable are omitted.

In the present embodiment, the members 1, 5 as shown in FIG. 5 are disposed to be fixed to the front and rear inner walls and the like inside the helmet, but are not limited thereto, and the members 1-5 may be configured to be mounted on the top of the helmet and The position of any inner wall of the helmet between the pads 301 can also be considered to mount the thermal image device 100 or parts to the support structure when the pad of the helmet has a design of the support structure.

Obviously, installing the thermal image device 100 inside the helmet can achieve the following beneficial effects: 1) Mounted inside the helmet, the components constituting the thermal image device 100 can be made as a whole, or can be made into a plurality of separate components, and load balancing can be easily arranged, which improves the wearing of the helmet compared with the prior art. Comfort.

2) Mounted inside the helmet, the thermal image device 100 itself is in a highly shielded interior environment of the helmet, and since the protection is much simpler than in the prior art, even the thermal image device 100 does not require a protective casing. The weight and cost of the thermal imaging device 100 can be greatly reduced.

3) The thermal image device 100 mounted inside the helmet can reduce or even eliminate the need for user installation and wiring, and the failure rate and damage rate are reduced.

The above problem solves the main problems of the prior art helmet type thermal imaging device; and, in a special industry, the heat generated by the thermal imaging device 100 of the above-described manner is located inside the helmet, and is solved together with the concealability of the helmet, using The concealment of the person is improved.

A schematic block diagram of a plurality of constituent embodiments of the hardware configuration of the thermal image device 100 mounted inside the helmet as shown in FIGS. 3, 5, and the like will be described with reference to FIGS. 8 to 11, and FIGS. 8-10 also illustrate The configuration of the display device 400 to which the thermal imaging device 100 is connected.

Fig. 8 is a circuit block diagram showing the thermal imaging device 100 mounted in the helmet in the first embodiment of the present invention.

The thermal image device 100 of the first embodiment is mounted inside the helmet and outputs infrared data obtained by photographing. The infrared data may be thermal image data (AD value) obtained by the photographing section 20, or data obtained by photographing the obtained thermal image data subjected to prescribed processing, such as image data of an infrared thermal image.

Specifically, the thermal imaging device 100 has a communication interface 10, an imaging unit 20, a flash memory 30, a temporary storage unit 40, and a CPU 50. The CPU 50 is connected to the corresponding portion of the data bus via control, and is responsible for the overall thermal imaging device 100. control.

The communication interface 10 is configured to continuously output the infrared data obtained by the thermal image device 100. At the same time, a communication interface for controlling the thermal imaging device 100 can be received. Here, the communication interface 10 includes one or more of various wired or wireless communication interfaces with the thermal imaging device 100, such as a network interface, a USB interface, a 1394 interface, a video interface, and the like.

The imaging unit 20 is composed of an optical member 105 (not shown), an infrared detector, a signal preprocessing circuit, and the like. The optical component 105 is composed of an infrared optical lens for focusing the received infrared radiation to the infrared detector, and the optical component is, for example, a wide-angle lens that does not require focusing. Infrared detectors, such as infrared or non-cooling type infrared focal plane detectors, convert infrared radiation through optical components into electrical signals. The signal pre-processing circuit includes a sampling circuit, an AD conversion circuit, and the like, and performs signal processing such as sampling from an infrared detector in a predetermined period, and converts it into digital thermal image data by an AD conversion circuit, for example, the thermal image data. It is 14-bit or 16-bit binary data (also known as AD value). Further, when the infrared detector used incorporates the signal pre-processing circuit, the imaging section 20 can be composed of an optical component and an infrared detector.

Further, when a motorized lens is used, or a lens of a field of view can be switched, the thermal image device 100 further includes a lens driving part that drives a lens to perform a focusing or zooming operation according to a control signal of the CPU 50; it is noted that when the optical component 105 is not When infrared radiation is received through the infrared window, it can also be a manually adjusted optical component.

The flash memory 30 stores programs for control and various data used in the control of each part, and other types of storage media can be used.

The temporary storage unit 40 is a buffer memory that temporarily stores thermal image data output from the imaging unit 20, such as a volatile storage medium such as a RAM or a DRAM. For example, the processing is repeated as follows, and the acquired thermal image data is temporarily stored for a predetermined time. When new thermal image data (frame) is obtained by shooting, new thermal image data (frame) is stored after deleting the old frame; A work memory such as the CPU 50 functions to temporarily store data processed by the CPU 50. Not limited to this, a memory or a register or the like included in the corresponding processor of the CPU 50 or the like can also be interpreted as a temporary storage medium.

The CPU 50 controls the overall operation of the thermal imaging device 100, and a program for control and various data used for control of each part are stored in a storage medium such as the flash memory 30. Further, the functions of the CPU 50 can be realized by, for example, an MPU, an SOC, a programmable FPGA, or the like.

Further, the CPU 50 has an image processing unit for performing predetermined processing on the thermal image data obtained by the imaging unit 20, for example, every time the display timing comes, from a predetermined time temporarily stored in the temporary storage unit 2 In the thermal image data, the thermal image data (frame) of each predetermined time interval is selected and read out; the processing of the image processing unit such as correction, interpolation, pseudo color, synthesis, compression, decompression, etc. is converted into a suitable display Processing of data such as use and transmission. The image processing unit is integrated with the CPU 50, and may be implemented by a processing device that is not integrated with the CPU 50. For example, it may be implemented by a DSP or other microprocessor or a programmable FPGA.

The image processing unit is configured to perform predetermined processing on the obtained thermal image data to obtain image data of the infrared thermal image. Specifically, for example, the image processing unit performs predetermined processing such as non-uniformity correction and interpolation on the thermal image data obtained by the thermal imaging device 100, and performs pseudo color processing on the thermal image data after the predetermined processing to obtain an image of the infrared thermal image. Data; an embodiment of the pseudo color processing, for example, determining a corresponding pseudo color plate range according to a range of thermal image data (AD value) or a setting range of an AD value, and corresponding to the thermal image data in the pseudo color plate range The specific color value is taken as the image data of the corresponding pixel position in the infrared thermal image, where the grayscale image is a special form of pseudo color.

Therefore, the infrared data output by the communication interface 10 may be data obtained by the thermal image data or the thermal image data, such as compressed thermal image data, and infrared thermal image data. The communication interface 10 has a signal generating unit. Based on the image data of the infrared thermal image stored in the temporary storage unit 40, data such as a digital video format may be generated, or a video signal of an analog video format or the like may be generated. Further, the present invention is not limited to a video signal, and an interface for connecting and relaying the helmet thermal imaging device to an external device in accordance with a communication specification such as USB, 1394, or network may be used as an external device, and examples thereof include a personal computer and a server. PDA (Personal Digital Assistant), other thermal imaging device, visible light imaging device, storage device, display device 400, and the like.

The display device 400 in FIG. 8 (not limited to the eyepiece 400 is also applicable to the portable display device 401 connected to the helmet device 100), and includes a CPU 1, a display unit 2, a temporary storage unit 3, a communication interface 4, a hard disk 5, and an auxiliary device. Memory 6, operation unit 7.

The display unit 2, such as a liquid crystal display device, displays an interface related to the infrared thermal image. In addition, various related setting information can be displayed based on the control of the CPU 1.

The temporary storage unit 3 is a buffer memory such as a RAM or a DRAM, and functions as a buffer memory for temporarily storing infrared data received through the communication interface 4, and functions as a work memory of the CPU 1, and temporarily stores data processed by the CPU 1. . Not limited to this, a memory or a register or the like included in the processor such as the CPU 1 can also be interpreted as a temporary storage unit.

The communication interface 4 is configured to continuously receive the infrared data output by the thermal image device 100. At the same time, it can be used as a communication interface for controlling the thermal imaging device 100. Here, the communication interface 4 includes various wired or wireless communication interfaces on the display device 400, such as a network interface, a USB interface, a 1394 interface, a video interface, and the like.

The hard disk 5 stores programs for control and various data used in the control.

The auxiliary storage unit 6, for example, a memory card interface, a memory card, or the like, is used to record data obtained by infrared data and/or infrared data specifying processing on a memory card, or to read infrared data stored in, for example, a memory card. The operation unit 7 is configured to allow the user to give an instruction to the display device 400 or input setting information, and the operation unit 7 is configured by, for example, a keyboard or a mouse. The operation may be performed by using a touch panel or a voice control unit.

The CPU 1 controls the overall operation of the thermal image device 8, and the control program stored in the hard disk 5 causes the CPU 1 to perform predetermined processing of infrared data received through the communication interface 4, and the processing of the CPU 1 is corrected, interpolated, and pseudo. Color, synthesis, compression, decompression, etc., are converted into processing suitable for display, recording, and the like.

The CPU 1 is configured to perform a predetermined process on the infrared data received by the communication interface to obtain an infrared thermal image. For example, when the received data is the compressed thermal image data, the predetermined processing such as the CPU 1 decompresses the pseudo infrared data received by the thermal image acquiring unit, and pseudo color processing.

Example 3:

Referring to Fig. 9, a circuit block diagram of a third embodiment of the thermal imaging device 100 is shown.

The difference between the present embodiment and the circuit principle diagram of the thermal imaging device 100 of the first embodiment is that the communication interface 10 has a video signal generating unit, and under the control of the CPU 50, the image data is periodically read out from the temporary storage unit 40 to generate a video signal output. . For example, an infrared thermal image video signal of PAL is output, and the display device 400 is a liquid crystal display eyepiece, and is displayed based on the video signal.

Example 4:

Referring to Fig. 10, a circuit block diagram of Embodiment 4 of the thermal image device 100 will be described.

The communication interface 4 is, for example, an interface circuit that receives an AD value signal, receives thermal image data captured by the imaging unit 20, and transmits a control signal that the CPU 1 controls the imaging unit 20. The received thermal image data is transmitted to the temporary storage unit 3, and image data of the infrared thermal image is obtained based on the processing of the image processing unit of the CPU 1, and the image data is displayed on the display unit 2. In Fig. 10, the photographing section 20 is taken as an example of the thermal image device 100.

Example 5

A circuit block diagram of Embodiment 6 of the thermal image device 100 will be described with reference to FIG.

In the thermal imaging device 100, the display device is not provided; the CPU 50 has a detecting unit that performs various detections on the thermal image data obtained by the imaging, for example, converting the thermal image data into a temperature value to determine whether or not the threshold temperature is exceeded. For example, it is judged whether or not there is an AD value or the like exceeding a predetermined threshold value based on the AD value, and conditions for judgment such as a threshold value or the like are prepared in advance (may be stored in advance in the flash memory 3). And, based on the detection result of the CPU 50, the alarm device issues an alarm, such as an audible and visual alarm.

As described above, the thermal imaging device 100 mounted inside the helmet preferably comprises at least the basic structural structure of the optical component 105, the infrared detector, the signal preprocessing circuit, etc.; and wherein the optical component can also be partially or All located outside the helmet. Moreover, depending on the application industry, the thermal imaging device 100 can be configured in various different configurations. Preferably, the communication interface 10, the imaging unit 20, and the temporary storage unit 40 can be configured, and the flash memory 30 and the CPU 50 can be configured as one body or The separate component is mounted in the helmet as the configuration of the thermal imaging device 100, or the imaging unit 20 may be disposed as a unitary or separate component in the helmet as the thermal imaging device 100.

Further, in the helmet thermal imaging device, the display eyepiece 400 can also be removed, that is, the control unit 10 has an alarm control unit that issues an alarm signal when a specific condition is detected, for example, based on the detected temperature being too high, an alarm is issued. , such as an audible alarm;

Further, a preferred embodiment, having an operation portion and a recording portion for recording, may be disposed outside the helmet and/or inside the helmet, or may be disposed other than the helmet, such as a display device.

Example 6 The helmet type thermal image device of the embodiment 6 will be described with reference to Fig. 12, and Fig. 12 is a schematic view showing the external structure of the helmet type thermal image device. The helmet type thermal image device includes a helmet 1201 and a thermal image device 100 mounted inside the helmet (not shown). The infrared optical lens 1202, the connecting member 1203 of the helmet 1201 and the display device 1204, and the display device 1204.

The connecting member 1203 preferably adopts an adjusting member that can be bent and shaped by the user, and is used for adjusting the angles of the upper and lower sides, the left and right sides, the distance, and the line of sight and the display device between the display device 1204 and the helmet wearer's eyes. It is advisable to use a serpentine tube that is easy to bend and shape, has a good shape, and has no bending and sound, and the serpentine tube should conform to a hollow diameter that is easy to pass through the cable wire. The outer wall of the serpentine tube can be wrapped with rubber and heat insulation. Set of sheaths. The display device 1204 can be disposed outside the normal line of the human eye, and by adjusting the connecting member 1203, the display device 1204 can be disposed between the human eye and the eye can be disposed between about 8 cm and 30 _cm , and can be disposed not to the human eye. The length of the connecting member 1203 is, for example, between 8CM and 30CM. Preferably, the connecting member 1203 has a length of, for example, between 20CM and 30CM.

The advantage of the above design is that the structure is simple, the serpentine tube can wrap various communication and power connection lines, and the adjustment is also universal, the structure is simple and the cost is low; and if the two ends of the connecting part 1203 adopt a common electrical interface, for example, With the plug-in electrical interface, the flexible connection with the helmet 1201 or the display device 1204 can be separately configured according to different needs, thereby achieving modular assembly. The above pluggable electrical interface, according to the needs of the power supply and video signals, for example, a Lemo (LEMO) connector with more than 4 cores (for example, LM.SG767, FGG 0B 305, etc., including plugs for use) And socket). Obviously, the plugs at the two ends of the connecting member 1203 can adopt the same or different plugs, and the corresponding contacts of the helmet 1201 and the display device 1204 are correspondingly used. Further, the portions of the connecting member 1203 which are respectively connected to the helmet 1201 and the display device 1204 may be configured as a rotating mechanism such as a rotating mechanism with damping for flexible use.

The display device 1204 may be a conventional TFT liquid crystal display, or may be a display screen of the type of STN, 0 LED, LED, etc.; may be a liquid crystal display of various sizes, preferably 1. 5 inches - 5 inches according to the actual application. Liquid crystal display; and, preferably, an ultra-thin liquid crystal screen (such as a liquid crystal screen having an overall thickness of less than 10 Å). In order to facilitate the user's observation of both eyes, the display device 1204 has a hood, and the hood is detachable. The above design combines a large display display, easy viewing and no interference from the sun. Obviously, display device 1204 may also not include a hood. Preferably, the display device 1204 can be attached with a touch operation function such as a touch screen. Preferably, the display device 1204 can be attached with an optical lens such as a Fresnel lens for close observation.

Referring to Fig. 13, an embodiment of the internal structure of the helmet type thermal imaging device of Embodiment 6 will be described. Fig. 13 is a schematic view showing the internal schematic structure. The thermal imaging device 100 includes an infrared sensor 1304, a circuit board 1301, and a lens 1202. The partition 1 302 is used to achieve isolation from a human head or the like.

In FIG. 13, the main body portion of the thermal image device 100 such as the infrared sensor 1304, the circuit board 1301, and the like is mounted on the spacer 1302 connected to the helmet 1201, and is separated from the pad 1303 by the spacer 1302 to realize the human head. Isolation of the part; etc., wherein the lens 1202 is installed at the opening of the helmet (for example, the thread on the outer wall of the lens is tightened by a nut, or a glued hoop), and the external light is received through the opening in the helmet. This mounting method enables the thermal image device 100 to be mounted between the upper portion of the helmet 1201 and the pad 1303 of the helmet suspension system.

Further, the thermal image device 100 may be configured as a plurality of separate members, and the separate members may be connected to the inner wall of the helmet to be separated from the human head or the like by the partition plate; further, the thermal image device 100 or the thermal image device 100 Each of the separate components has a housing, or is also separated from the human head by a spacer; further, each of the separate components of the thermal imaging device 100 or the thermal imaging device 100 has a housing, and the housing and the spacer are An integral structure for achieving isolation from a human head or the like; the partition may be configured in a specific shape to fit the mounted separate member, for example, configured to form a mounting separation member with the inner wall of the helmet. The cavity is configured to be isolated from a human head or the like; the spacer may be of various shapes that do not affect the user's wearing and suspension system assembly, such as may be configured to facilitate mounting of the thermal imaging device 100 or the thermal imaging device 100. Separate the parts and match the curvature of the inner wall of the helmet. The partition plate may be coupled to the inner wall of the helmet by means of a screw or a buckle, and the inner wall of the helmet correspondingly has a screw hole or a card slot matched thereto; and, not limited to, a partition plate is disposed on the upper portion of the helmet interior, A partition may be provided in other parts of the interior of the helmet.

A preferred configuration of the cap of the suspension system embodiment 6 of the helmet type thermal imaging device will be described with reference to FIG.

Although an electronic device such as a thermal image device is built in the helmet type thermal image device, the weight of the helmet type thermal image device can be facilitated; however, when the display device 1204 is connected by a long connecting member such as a serpentine tube, the human eye can be observed. The comfort of the sufficient distance of the display device 1204 may affect the comfort of the strap. In this embodiment, a special helmet suspension system 1301 (including the cap 1302, the pad 1303, etc.) is designed, such as the suspension system 1301. The utility model may include a cap 1302, a pad 1303 and a fastening tape. Different from the internal suspension system of the ordinary helmet, the friction pad and the wearing comfort friction pad can be added to the contact portion of the suspension system 1301 with the head 1302. To reduce the weight of the overall weight of the helmet type thermal image device, the position of the friction pad may be a combination of one or more of the positions of 1401 to 1406 in FIG. 14, in this embodiment, since the display device 1204 is in use. In the state of the helmet, the center of gravity of the helmet may deviate from the front, so it can be 1402, 1403, 1404 in Figure 14. The position is increased by the friction pad, and further considering the weight reduction, the preferred embodiment of the present embodiment is to add a friction pad at the position of the first two sides of the 1402 and 1404; in view of the comfort of wearing, the friction referenced in this embodiment The surface material of the pad is preferably sheepskin, and other materials such as artificial leather may be used as the friction pad; preferably, the hook and the band may be connected and adjusted between the friction pad and the cap. In addition, the cap may be integrally wrapped with sheepskin or the like as an integral friction pad for increased friction and comfort.

Preferably, when designing the internal suspension system, the distance of the pad of the suspension system in FIG. 14 to the distance of the thermal image device or the distance of the partition plate (when the thermal image device is installed between the inner wall of the helmet and the partition plate) is not less than 21 hidden. .

It is apparent that the power supply portion of the thermal image device 100 in the above embodiment may be built in the interior of the helmet 300 or may be external to the helmet 300 and connected to the thermal image device 100.

Of course, in order to further enhance the wearing comfort, the present invention can design a special helmet suspension system, a friction pad that increases friction and wearing comfort at the contact point of the suspension system with the head, considering the helmet type thermal image. The overall weight of the device is reduced, and the position of the friction pad can be placed at any position according to the overall center of gravity of the helmet, thereby facilitating adjustment of the center of gravity of the helmet suspension system, so that the wearing comfort is further improved.

Further, in the above embodiment, the opening portion is provided at the front portion of the helmet, for example, at a position substantially centered on the front portion of the helmet; obviously, the opening portion may be provided at other portions of the helmet depending on the application.

The above description is only specific examples (embodiments) of the invention, and various exemplary embodiments are not intended to limit the scope of the invention, and various embodiments may be substituted and combined to form further embodiments. Other modifications and changes may be made to the embodiments without departing from the spirit and scope of the invention.

Claims

, helmet-type thermal imaging device, including:

a helmet having an opening portion;

a thermal image device for obtaining infrared data by photographing;

The helmet type thermal imaging device according to claim 1, wherein the helmet type thermal imaging device includes an infrared window provided in the opening portion.

The helmet type thermal imaging device according to claim 1, wherein the opening portion is provided at a front portion of the helmet. The helmet type thermal imaging device according to claim 2, wherein the infrared window is fixed to the opening portion through a mounting frame; the mounting frame has a first mounting portion and a second mounting portion, and the first mounting portion It is used to install the infrared window in the mounting frame; the second mounting part is used to mount the mounting frame on the opening portion of the helmet.

The helmet type thermal imaging device according to claim 4, wherein the second mounting portion is configured to mount the mounting frame to the opening of the helmet through the sealant and/or the thread on the mounting frame and the corresponding nut. Hole part.

The helmet type thermal imaging device according to claim 2, wherein the infrared window is a material that transmits infrared light.

The helmet type thermal imaging device according to claim 6, wherein the infrared window is a single crystal germanium as a window material, and an antireflection film is applied on the infrared window to enhance the transmittance of the infrared light.

The helmet type thermal imaging device according to claim 1, wherein the helmet is provided with a pad, and the thermal image device is provided in a space between the top of the helmet and the pad.

The helmet type thermal imaging device according to claim 1, wherein the helmet is provided with a partition plate connected to the helmet, and the partition plate is used to isolate the thermal image device from the human head.

The helmet type thermal imaging device according to claim 9, wherein the helmet is provided with a partition, and the thermal image device is disposed between the inner wall of the helmet and the partition.

1. The helmet type thermal imaging device according to claim 1, wherein the thermal image device is fixedly coupled to the helmet by a connecting member that fixes the thermal image device to the top and/or the side of the helmet interior. unit.

2. The helmet-mounted thermal imaging device according to claim 1, wherein the thermal imaging device comprises a plurality of separate components, at least one of the separate components of the thermal imaging device being coupled to the helmet.

The helmet type thermal imaging device according to claim 1, wherein the helmet type thermal imaging device includes a display device for observing an infrared thermal image generated by infrared data captured by the thermal image device, The display device is connected to the thermal image device by wire or wirelessly.

The helmet type thermal imaging device according to claim 11, wherein the helmet and the display device are connected by a connecting member, and the connecting member can be bent and shaped by the user to adjust the display device and The angle between the upper and lower sides, the left and right, the distance, the line of sight and the display device between the wearer's eyes.

The helmet type thermal imaging device according to claim 12, wherein the connecting member is a serpentine tube, the serpentine tube has a hollow diameter, and the outer wall of the serpentine tube is sheathed.

The helmet-type thermal imaging device according to claim 11, wherein the display device has a size of 0.5 to 6 inches; and the overall thickness of the display screen is less than 15 inches.

7. The helmet type thermal imaging device according to claim 14, wherein the display device is provided with a detachable hood. The helmet type thermal imaging device according to claim 1, wherein the thermal imaging device includes an alarm portion for outputting an alarm signal.

19. The helmet-type thermal imaging device according to claim 1, wherein the helmet comprises a suspension system, the suspension system comprises a cap and a pad, and the suspension system is provided with increased friction and wearing comfort. Friction pad.

20. The helmet-type thermal imaging device of claim 1, wherein the helmet comprises a suspension system, the suspension system comprising a cap and a pad, the cap being provided with increased friction and wearing comfort Friction pad.

The helmet type thermal imaging device according to claim 1, wherein the helmet type thermal imaging device comprises a communication interface, an imaging unit, a storage medium, and a central processing unit, and the central processing unit performs the corresponding portions The connection is responsible for the overall control of the thermal image device.

The helmet type thermal imaging device according to claim 1, wherein the thermal imaging device includes at least a photographing portion, and the photographing portion includes at least an optical member and an infrared detector.

23. Helmet thermal imaging device, including:

Helmet

a thermal image device for obtaining infrared data by photographing;

Wherein, the main body of the thermal image device is mounted inside the helmet, and part or all of the optical components of the thermal image device are located outside the helmet and are connected to the thermal image device through the opening portion of the helmet.

The helmet type thermal imaging device according to claim 23, wherein the helmet is provided with a pad, and the thermal image device is disposed in a space between the top of the helmet and the pad.

The helmet type thermal imaging device according to claim 23, wherein the helmet is provided with a partition connected to the helmet, and the partition is used to isolate the thermal image device from the human head.

The helmet type thermal imaging device according to claim 23, wherein the helmet is provided with a partition, and the thermal image device is disposed between the inner wall of the helmet and the partition.

The helmet type thermal imaging device according to claim 23, wherein the opening portion is provided at a front portion of the helmet.

The helmet type thermal imaging device according to claim 23, wherein the thermal image device is fixedly coupled to the helmet by a connecting member, and the connecting member fixes the thermal image device to the top or the side of the helmet interior. .

The helmet type thermal imaging device according to claim 23, wherein the helmet type thermal imaging device includes a display device for observing an infrared thermal image generated by infrared data captured by the thermal image device; The display device is connected to the thermal image device by wire or wirelessly.

The helmet type thermal imaging device according to claim 23, wherein the helmet and the display device are connected by a connecting member, and the connecting member can be bent and shaped by the user to adjust the display device and The angle between the upper and lower sides, the left and right, the distance, the line of sight and the display device between the wearer's eyes.

The helmet type thermal imaging device according to claim 29, wherein the connecting member is a serpentine tube, the serpentine tube has a hollow diameter, and the outer wall of the serpentine tube is sheathed.

The helmet-type thermal imaging device according to claim 23, wherein the display device has a size of 0.5 to 6 inches; and the overall thickness of the display screen is less than 15 inches.

The helmet type thermal imaging device according to claim 23, wherein the thermal imaging device includes an alarm portion for outputting an alarm signal. The helmet type thermal imaging device according to claim 23, wherein the helmet includes a suspension system, the suspension system includes a cap and a pad, and the suspension system is provided with friction for increasing friction and wearing comfort. Pad.

The helmet type thermal imaging device according to claim 23, wherein the helmet includes a suspension system, the suspension system includes a cap and a pad, and the cap is provided with friction for increasing friction and wearing comfort Pad. The helmet type thermal imaging device according to claim 23, wherein the thermal imaging device includes at least a photographing portion, and the photographing portion includes at least an optical member and an infrared detector.

The helmet type thermal imaging device according to claim 23, wherein the helmet type thermal imaging device includes an imaging unit, a storage medium, and a central processing unit, and the central processor is connected to each of the corresponding portions to be responsible for the thermal image. Overall control of the device.