Explosion-proof handheld terminal with replaceable functional module

Abstract

The utility model provides an explosion-proof handheld terminal with a replaceable functional module, which relates to the technical field of handheld terminals and comprises a host, a touch display screen arranged on the front side of a main shell of the host, a master control module connected with the touch display screen arranged in the host, a code scanning head connected with the master control module, a gas detector and an infrared thermal imaging module. One or two of the code scanning head, the gas detector and the infrared thermal imaging module are mounted on the host, and a mounting area for mounting the code scanning head or the gas detector is arranged on the rear side of the main shell. Compared with the prior art, the explosion-proof handheld terminal with the replaceable functional modules provided by the utility model takes the host as a basic model, and the three functional modules, namely the code scanning head, the gas detector and the infrared thermal imaging module, can be overlaid on the basic model according to requirements, so that the application range is expanded, and the explosion-proof handheld terminal is convenient to carry; and the DMR antenna and / or the RTK antenna can be detachably mounted according to communication requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to handheld terminal technical field, especially a replaceable function module's explosion -proof handheld terminal. BACKGROUND

[0002] Explosion -proof handheld terminal is a kind of mobile equipment specially designed for dangerous environment (such as petrochemical industry, mine, electric power, metallurgy etc.), it combines the functions such as smart phone, tablet computer, data acquisition equipment, can be safely used in explosive gas, dust and other dangerous gas environment.Explosion -proof handheld terminal not only has the function of ordinary handheld terminal, also has multiple safety protection functions such as explosion -proof, waterproof, dustproof.

[0003] However, the existing explosion -proof handheld terminal is usually single function, is divided into code scanning handheld terminal, gas detection handheld terminal, thermal imaging handheld terminal and intercom handheld terminal, when using, usually need to carry multiple detection terminals of different functions, carry troublesome, easy to forget. UTILITY MODEL CONTENT

[0004] In view of the above problem, the utility model provides a replaceable function module's explosion -proof handheld terminal, can equip the required function module according to the demand, simple and convenient, expand the scope of application, carry conveniently.

[0005] The technical scheme adopted by the utility model is:

[0006] A replaceable function module's explosion -proof handheld terminal, including host computer, the front side of the main casing of host computer is equipped with touch -sensitive display screen, is equipped with the main control module connected with touch -sensitive display screen in host computer, its characterized in that: still include the code scanning head, gas detector and infrared thermal imaging module connected with main control module, one or two of code scanning head, gas detector and infrared thermal imaging module are installed on host computer, wherein the rear side of the main casing is equipped with the installation area for installing code scanning head or gas detector.

[0007] Preferably, the installation area is equipped with the first contact terminal connected with main control module, the rear side of code scanning head and / or gas detector is equipped with the second contact terminal butting with first contact terminal.

[0008] Preferably, the top of the main casing is equipped with at least one hanging hole, and the shell of the code scanning head and / or the shell of the gas detector is equipped with a hook matched with the hanging hole;The installation area is also equipped with at least one guide hole, and the back of the shell of the code scanning head and / or the shell of the gas detector is equipped with a guide column matched with the guide hole.

[0009] More preferably, the gas detector is provided with at least one gas detection sensor, and the gas detection sensor is one or more of a hydrogen sulfide detection sensor, a carbon monoxide detection sensor, an oxygen detection sensor, and a combustible gas detection sensor; the front face of the gas detector housing is provided with an air inlet hole corresponding to the gas detection sensor.

[0010] More preferably, the code scanning head is provided with a code scanning lamp and a code scanning circuit board connected with the code scanning lamp, the code scanning circuit board is integrated with an image sensor, and the second contact terminal is connected with the code scanning circuit board; the code scanning head is provided with a code scanning port corresponding to the code scanning lamp and the image sensor.

[0011] More preferably, the front surface of the touch display screen is provided with a front camera, and the rear side of the housing is provided with a main camera module, an infrared night vision camera module, and a macro camera module connected with the main control module; the rear side of the main housing of the main machine is provided with a camera area, and the camera area is arranged side by side with the mounting area; the camera area is provided with mounting holes corresponding to the thermal imaging module, the main camera module, the infrared night vision camera module, and the macro camera module, and the camera area is provided with a camera lens.

[0012] More preferably, the main housing is provided with a module support and a mainboard support covering the module support, the thermal imaging module, the main camera module, the infrared night vision camera module, and the macro camera module are located between the module support and the mainboard support, the module support is divided into an installation support frame and a camera support frame, the camera support frame is provided with a first placement groove for placing the thermal imaging module, a first placement table for placing the macro camera module, a second placement groove for placing the main camera module, and a second placement table for placing the infrared night vision camera module in a matrix manner; the mainboard support is divided into an installation support area corresponding to the installation area and a camera support area corresponding to the camera area, the installation support area is provided with a placement opening, and the camera support area is provided with a first lens opening corresponding to the thermal imaging module, a second lens opening corresponding to the macro wide-angle camera, a third lens opening corresponding to the main camera, and a fourth lens opening corresponding to the infrared night vision camera in a matrix manner; the main camera flash is arranged between the first lens opening and the third lens opening, and the infrared night vision LED lamp is arranged between the second lens opening and the fourth lens opening.

[0013] Preferably, the explosion-proof handheld terminal further comprises a DMR antenna, and the top of the main housing of the main machine is provided with a first antenna hole for the DMR antenna to be movably inserted.

[0014] Preferably, the explosion-proof handheld terminal further comprises an RTK antenna, and the top of the main housing of the main machine is provided with a second antenna hole for the RTK antenna to be movably inserted.

[0015] Preferably, the main machine is provided with a strong light flashlight assembly, and the top of the main housing is provided with a strong light hole corresponding to the strong light flashlight assembly.

[0016] Compared with the prior art, the beneficial effects of the utility model lie in: the utility model provides a replaceable function module's explosion -proof handheld terminal, take the host computer as the basic model, can add three function modules of the code scanning head, gas detector and infrared thermal imaging module on the basic model according to demand, expand the scope of application, convenient to carry, and can be detachably installed DMR antenna and / or RTK antenna according to communication demand. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram Figure One .

[0018] Figure 2 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram Figure Two .

[0019] Figure 3 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram Figure Three .

[0020] Figure 4 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram.

[0021] Figure 5 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram.

[0022] Figure 6 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram.

[0023] Figure 7 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram.

[0024] Figure 8 The utility model provides a replaceable function module's explosion -proof handheld terminal's schematic diagram. DETAILED DESCRIPTION

[0025] The preferred embodiments provided by the utility model are specifically described according to the drawings.

[0026] Figures 1 to 8 The utility model provides a replaceable function module's explosion -proof handheld terminal's preferred embodiment. As Figures 1 to 6As shown, the replaceable function module of the explosion-proof handheld terminal includes a host 10, a front side of a main shell 11 of the host is provided with a touch display screen 12, the host is provided with a main control module 13 connected with the touch display screen 12, the explosion-proof handheld terminal further includes a code scanning head 20, a gas detector 30 and an infrared thermal imaging module 40 connected with the main control module, one or two of the code scanning head 20, the gas detector 30 and the infrared thermal imaging module 40 are installed on the host 10, wherein the rear side of the main shell 11 is provided with a mounting area 1101 for mounting the code scanning head 20 or the gas detector 30; in this way, different function modules can be equipped according to the needs of customers, which is simple and convenient, expands the application range and is convenient to carry. The code scanning head 20 supports one-dimensional and two-dimensional code scanning and has the characteristics of fast identification speed and high identification accuracy; the gas detector 30 supports hydrogen sulfide, carbon monoxide, oxygen and combustible gas detection; the thermal imaging module 40 supports infrared thermal imaging to facilitate the inspection of potential risks in each area.

[0027] The mounting area 1101 is provided with a first contact terminal 11011 connected with the main control module 13, the rear side of the code scanning head 20 and / or the gas detector 30 is provided with a second contact terminal 201 (301) matched with the first contact terminal, when the code scanning head 20 or the gas detector 30 is installed on the rear side of the main shell 11 of the mounting area 1101, the second contact terminal 201 (301) on the code scanning head 20 or the gas detector 30 is matched with the first contact terminal 11011 in the mounting area 1101, so that the code scanning head 20 or the gas detector 30 is connected with the main control module 13 of the host 10 and transmits information.

[0028] The top of the main shell 11 is provided with at least one hanging hole 1103, the shell of the code scanning head 20 and / or the shell of the gas detector 30 is provided with a hook 21 (31) matched with the hanging hole; the mounting area 1101 is further provided with at least one guide hole 11012, the back of the shell of the code scanning head and / or the shell of the gas detector is provided with a guide column 22 (32) matched with the guide hole, when the code scanning head 20 or the gas detector 30 is installed, the hook 21 (31) on the top of the code scanning head 20 or the gas detector 30 is matched with the hanging hole 1103, so that the code scanning head 20 or the gas detector 30 is hung on the main shell 11, and then the guide column 22 (32) is inserted into the corresponding guide hole 11012 to prevent the code scanning head 20 or the gas detector 30 from shifting.

[0029] The scanning terminal 20 supports both barcode and QR code scanning, featuring fast recognition speed and high recognition accuracy. The scanning terminal 20 includes a scanning light and a scanning circuit board connected to the light. An image sensor is integrated on the scanning circuit board, and a second contact terminal 201 is connected to the circuit board. During scanning, the scanning light illuminates the barcode or QR code, the image sensor captures the image of the barcode or QR code, and transmits it to the scanning circuit board, which then transmits it to the main control module 13 via the second contact terminal 201 and the first contact terminal 11011. The scanning terminal 20 has scanning ports 23 corresponding to the scanning light and image sensor. The internal structure of the scanning terminal 20 is not improved in this application and can be referenced from existing technologies.

[0030] The gas detector 30 is equipped with at least one gas detection sensor, which is one or more of the following: hydrogen sulfide detection sensor, carbon monoxide detection sensor, oxygen detection sensor, and combustible gas detection sensor. The front of the gas detector housing has air inlets 302 corresponding to the gas detection sensors. Thus, the gas detector 30 is used to monitor gas concentration in real time and can detect combustible gases (such as methane and propane), toxic gases (such as hydrogen sulfide and carbon monoxide), oxygen concentration, etc. Appropriate sensors can be selected and configured according to different monitoring needs.

[0031] A front-facing camera 14 is disposed above the touch display screen 12. A main camera module 15, an infrared night vision camera module 16, and a macro camera module 17 connected to the main control module 13 are mounted on the rear side of the housing. A camera area 1102 is provided on the rear side of the main housing of the host. The camera area 1102 is arranged side by side with the mounting area 1101. The camera area 1102 is provided with mounting holes 11021 corresponding to the thermal imaging module 40, the main camera module 15, the infrared night vision camera module 16, and the macro camera module 17. The camera area 1102 is fitted with a camera lens 11022.

[0032] The main shell 11 is provided with a module support 112 and a mainboard support 111 covering the module support 112, the thermal imaging module 40, the main camera module 15, the infrared night vision camera module 16 and the macro camera module 17 are between the module support 112 and the mainboard support 111, the module support 112 is divided into a mounting support 11201 and a camera support 11202, the camera support 11202 is provided with a first placing groove 1121 for placing the thermal imaging module 40, a first placing table 1122 for placing the macro camera module 17, a second placing groove 1123 for placing the main camera module 15 and a second placing table 1124 for placing the infrared night vision camera module 16 in a matrix manner; the mainboard support 111 is divided into a mounting support area 11101 corresponding to the mounting area and a camera support area 11102 corresponding to the camera area, the mounting support area 11101 is provided with a placing opening, the camera support area 11102 is provided with a first lens opening 1111 corresponding to the thermal imaging module, a second lens opening 1112 corresponding to the macro wide-angle camera, a third lens opening 1113 corresponding to the main camera and a fourth lens opening 1114 corresponding to the infrared night vision camera in a matrix manner, the main camera flash 151 is arranged between the first lens opening 1111 and the third lens opening 1113, and the infrared night vision LED lamp 161 is arranged between the second lens opening 1112 and the fourth lens opening 1114; in this way, the thermal imaging module 40, the macro camera module 17, the main camera module 15 and the infrared night vision camera module 16 are arranged in a matrix manner between the module support 112 and the mainboard support 111, preventing displacement; when the user does not need the function of the thermal imaging module 40, the first lens opening 1111 corresponding to the thermal imaging module 40 on the mainboard support 111 can be closed, so as not to affect the appearance of the whole main machine 11. The main camera flash 151 and the infrared night vision LED lamp 161 are connected with the main control module 13.

[0033] As shown in Figure 4 The top of the corresponding mounting area 1101 and camera area 1102 of the main shell 11 is provided with a hanging hole 1103, so that the idle code scanning head 20 or gas detector 30 can be hung on the hanging hole 1103 at the top of the camera area 1102 when not in use, preventing loss.

[0034] The anti-explosion handheld terminal further comprises a DMR antenna 50 connected with the master control module 13, the top of the main shell 11 is provided with a first antenna hole 1114 for the active insertion of the DMR antenna 50, the DMR antenna is used for transmitting and receiving wireless signals, realizing DMR intercom function, supporting 2W DMR digital intercom, being compatible with U section / V section digital intercom, intercom distance reaching 5KM, realizing remote cluster communication and command scheduling.

[0035] The main machine 11 is provided with a strong light flashlight assembly 70 connected with the master control module 13, and the top of the main shell 11 is provided with a strong light hole 1116 corresponding to the strong light flashlight assembly, which can illuminate in dark conditions.

[0036] The main shell 11 of the main machine 10 comprises an outer shell and a shell body, the outer shell is sleeved on the shell body, and the whole main shell 11 is made of double-color injection molding and is anti-shock and wear-resistant.

[0037] The anti-explosion handheld terminal takes the main machine 10 as a basic model, and three functional modules can be stacked on the basic model according to needs, the three functional modules are a code scanning head 20, a gas detector 30 and an infrared thermal imaging module 40, wherein the code scanning head 20 and the gas detector 30 cannot be simultaneously installed on the main machine 10. In addition, the DMR antenna 50 and the RTK antenna 60 can be detachably installed according to communication needs.

[0038] In conclusion, the technical scheme of the anti-explosion handheld terminal can effectively realize the above-mentioned purposes, the structure and function principle of the anti-explosion handheld terminal have been fully verified in the embodiment, the expected effects and purposes can be achieved, and various changes or modifications can be made to the embodiment of the anti-explosion handheld terminal without departing from the principles and essence of the anti-explosion handheld terminal. Therefore, the anti-explosion handheld terminal includes all the alternatives mentioned in the patent application range, and any equivalent changes made in the patent application range are within the patent application range of the anti-explosion handheld terminal.

Claims

1. A replaceable function module of an explosion-proof handheld terminal, comprising a host, the front side of the main shell of the host is provided with a touch display screen, and the host is provided with a host control module connected with the touch display screen, characterized in that: Also include a code scanning head, gas detector and infrared thermal imaging module connected with the main control module, one or two of the code scanning head, gas detector and infrared thermal imaging module are installed on the host, wherein the rear side of the main housing is provided with a mounting area for mounting the code scanning head or the gas detector.

2. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The first contact terminal connected with the main control module is arranged in the mounting area, and the rear side of the code scanning head and / or the gas detector is provided with a second contact terminal for docking with the first contact terminal.

3. The replaceable function module-based explosion-proof hand-held terminal according to claim 2, characterized in that: The top of the main housing is provided with at least one hanging hole, and the housing of the code scanning head and / or the housing of the gas detector is provided with a hook matched with the hanging hole; the mounting area is also provided with at least one guide hole, and the back of the housing of the code scanning head and / or the housing of the gas detector is provided with a guide column matched with the guide hole.

4. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The gas detector is provided with at least one gas detection sensor, which is a hydrogen sulfide, carbon monoxide, oxygen or combustible gas detection sensor; the front surface of the gas detector housing is provided with an air inlet hole corresponding to the gas detection sensor.

5. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The top of the touch display screen is provided with a front camera, and the rear side of the housing is provided with a main camera module, an infrared night vision camera module and a macro camera module connected with the main control module; the rear side of the main housing of the host is provided with a camera area, and the camera area is arranged side by side with the mounting area, and the camera area is provided with a mounting hole corresponding to the thermal imaging module, the main camera module, the infrared night vision camera module and the macro camera module, and the camera area is matched with a camera lens.

6. The replaceable function module-based explosion-proof hand-held terminal according to claim 5, characterized in that: The main housing is provided with a module support and a mainboard support covering the module support, and the thermal imaging module, the main camera module, the infrared night vision camera module and the macro camera module are located between the module support and the mainboard support, the module support is divided into an installation support frame and a camera support frame, and the camera support frame is provided with a first placement groove for placing the thermal imaging module, a first placement table for placing the macro camera module, a second placement groove for placing the main camera module and a second placement table for placing the infrared night vision camera module in a matrix manner; the mainboard support is divided into an installation support area corresponding to the installation area and a camera support area corresponding to the camera area, the installation support area is provided with a placement opening, and the camera support area is provided with a first lens opening corresponding to the thermal imaging module, a second lens opening corresponding to the macro wide-angle camera, a third lens opening corresponding to the main camera and a fourth lens opening corresponding to the infrared night vision camera in a matrix manner, and the main camera flash is arranged between the first lens opening and the third lens opening, and the infrared night vision LED lamp is arranged between the second lens opening and the fourth lens opening.

7. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The explosion-proof handheld terminal also includes a DMR antenna, and the top of the main housing of the host is provided with a first antenna hole for the DMR antenna to be inserted.

8. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The explosion-proof handheld terminal also includes an RTK antenna, and the top of the main housing of the host is provided with a second antenna hole for the RTK antenna to be inserted.

9. The replaceable function module-based explosion-proof hand-held terminal according to claim 1, characterized in that: The main housing is provided with a strong light hole corresponding to the strong light flashlight assembly.

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