A modular monitoring device

Abstract

The present invention provides a modular monitoring instrument, comprising: an upper box assembly, a bottom box assembly, a terminal row CT printed circuit board assembly and a module box assembly; the upper box assembly comprises an upper box body, a first upper end cover and a second upper end cover, the first upper end cover and the second upper end cover are respectively detachably connected to the two ends of the upper box body, and a first waterproof structure is provided at the connection between the two end covers and the upper box body; a radio frequency card slot is provided on the upper box body, and is integrally formed with the upper box body; the bottom box assembly comprises a bottom box body, and a first accommodating space and a second accommodating space are provided in the bottom box body; the terminal row CT printed circuit board assembly and the module box assembly are plug-in connected, and are respectively clamped in their corresponding accommodating spaces; the upper box assembly and the bottom box assembly are detachably buckled and connected; a sealing ring and a second waterproof structure are provided at the buckled connection between the upper box assembly and the bottom box assembly. The modular monitoring instrument of the present invention can be assembled quickly and reliably, and has a reliable waterproof function; and can also effectively reduce costs.

Description

Technical Field

[0001] The invention belongs to the technical field of monitoring instruments, and in particular relates to a multifunctional modular monitoring instrument for voltage, current, metering, etc. Background Art

[0002] At present, with the rapid development of the national smart grid, the demand for multifunctional monitoring instruments is also increasing day by day. Due to the large number of monitoring instruments, they must be assembled reliably, at a lower cost, and have a certain waterproof function. This is also a technical bottleneck for the development of various manufacturers. Conventional technical methods cannot effectively solve the problems of assembly process, assembly reliability and manufacturing cost control at the same time. It is even more difficult to have a waterproof function at the same time. The structure of the traditional monitoring instrument has the following problems:

[0003] 1. The complex design makes the assembly process complicated and the installation inconvenient, resulting in high product manufacturing costs and poor reliability;

[0004] 2. The dust and water resistance design is complex and not flexible enough, the product stability is not high, and the cost is high;

[0005] 3. The accessories of different models are not interchangeable, and they need to be disassembled and installed again for use in different occasions, which is very troublesome. At the same time, since the parts are not interchangeable, the number of materials is large, which is bound to increase the mold opening cost and material management cost.

[0006] Therefore, there is an urgent need for a modular monitoring instrument that can be assembled quickly and reliably, has reliable waterproof function, and can effectively control product costs and improve product market competitiveness. Summary of the invention

[0007] In order to solve the above problems, the present invention provides a modular monitoring instrument, which can be assembled quickly and reliably and has reliable waterproof function through modular design between various functional modules; at the same time, it can effectively control product costs and improve the market competitiveness of products.

[0008] In order to achieve the above-mentioned object, the present invention provides a modular monitoring instrument, comprising: an upper box assembly, a bottom box assembly, a terminal block CT printed circuit board assembly and a module box assembly;

[0009] The upper box assembly comprises an upper box body, a first upper end cover and a second upper end cover, wherein the first upper end cover and the second upper end cover are detachably connected to the two ends of the upper box body respectively, and a first waterproof structure is provided at the connection between the two end covers and the upper box body;

[0010] A radio frequency card slot is provided on the upper box body in a direction toward the bottom box assembly, and the radio frequency card slot is integrally formed with the upper box body;

[0011] The bottom box assembly includes a bottom box body, and the bottom box body is provided with a first accommodation space for accommodating the terminal row CT printed circuit board assembly, and a second accommodation space for accommodating the module box assembly; the terminal row CT printed circuit board assembly and the module box assembly are plug-in connected and are respectively detachably mounted in their corresponding accommodation spaces;

[0012] The upper box assembly and the bottom box assembly are detachably buckled and connected; a sealing ring and a second waterproof structure are provided at the buckled connection between the upper box assembly and the bottom box assembly.

[0013] As a further improvement of the above scheme, the first waterproof structure includes a first waterproof groove arranged at the end of the upper box body, and a waterproof wall arranged at the corresponding positions of the first upper end cover and the second upper end cover, and the waterproof wall is inserted in the corresponding waterproof groove to prevent external dust and water from entering the bottom box assembly.

[0014] As a further improvement of the above solution, the second waterproof structure includes a second waterproof groove arranged around the top of the bottom box body, and a waterproof fence arranged around the bottom of the upper box body and the second upper end cover;

[0015] The second waterproof groove is continuously arranged along the top contour of the bottom box body, and at least one guide hole is provided on the bottom of the second waterproof groove for guiding water to flow out;

[0016] The waterproof fence is continuously arranged along its corresponding bottom contour, and the waterproof fence envelops the outer edge of the second waterproof groove from top to bottom to prevent moisture from entering the bottom box assembly.

[0017] As a further improvement of the above solution, a sealing groove is provided on the top of the bottom box body, adjacent to the second waterproof groove and facing the inside of the bottom box assembly, and the sealing ring is provided in the sealing groove.

[0018] As a further improvement of the above scheme, the waterproof fence is an inverted U-shaped structure, including an inner enclosure and an outer enclosure, and an inverted U-shaped groove is formed between the inner enclosure and the outer enclosure; the inner enclosure is clamped in the sealing groove to compress the sealing ring; the inverted U-shaped groove is buckled above the second waterproof groove and envelopes the outer edge of the second waterproof groove.

[0019] As a further improvement of the above scheme, the first upper end cover is used to protect the terminal block in the terminal block CT printed circuit board assembly, and a knock-out plate is provided on one side of the corresponding terminal block so that the knock-out plate can be selectively knocked off according to the installation space on site to facilitate the installation of the terminal block.

[0020] As a further improvement of the above scheme, a positioning groove is provided on the inner wall of the first upper end cover, and correspondingly, a positioning frame matching the positioning groove is provided on the bottom box body, and the positioning groove is clamped in the positioning frame to achieve reliable positioning and installation between the two.

[0021] As a further improvement of the above scheme, the upper box body is provided with at least two extending arms, and correspondingly, the bottom box body is provided with a hook that is engaged with the two extending arms, and the extending arm and the hook are overlapped with each other to realize a detachable connection between the upper box body and the bottom box assembly.

[0022] As a further improvement of the above scheme, an external antenna passage hole is opened on the second end cover, and an antenna plug is arranged at the external antenna passage hole. The antenna plug includes a first plug end, a connecting piece and a second plug end which are connected in sequence. The first plug end completely matches the shape of the external antenna passage hole when no external antenna is arranged, and the second plug end matches the shape of the antenna passage hole formed when an external antenna is arranged.

[0023] As a further improvement of the above scheme, the terminal row CT printed board assembly includes a PCB printed board assembly, a CT assembly and a terminal row;

[0024] The PCB printed board assembly includes a PCB printed board body and a radio frequency module vertically connected to the PCB printed board body;

[0025] The CT component is welded at one end of the PCB printed board body, the terminal row is connected to the CT component by clamping, and is fixedly connected to the PCB printed board body by a fastening component.

[0026] As a further improvement of the above solution, the PCB printed board body is horizontally arranged in the bottom box assembly, and the radio frequency module is arranged corresponding to the radio frequency card slot of the upper box body.

[0027] As a further improvement of the above scheme, the module box assembly includes a module box base, a module box printed board and a module box cover, the bottom of the module box printed board is vertically clamped in the module box base, and the upper part is clamped in the module box cover;

[0028] The module box upper cover and the module box base are detachably buckled and connected.

[0029] As a further improvement of the above solution, a detachable SIM card door is also provided on the module box base to facilitate the installation of the SIM card.

[0030] As a further improvement of the above scheme, the module box base is a box body with an open top, at least two guide arms extend upward around the top of the box body, and the guide arms are provided with positioning holes. Correspondingly, the module box upper cover is provided with a guide groove matching the guide arm, and the bottom of the guide groove is provided with a positioning protrusion corresponding to the positioning hole.

[0031] As a further improvement of the above scheme, a built-in antenna is provided in the module box assembly, or an external antenna is provided at a corresponding position of the second upper cover. When it is an external antenna, a hole for the external antenna to pass through is also provided on the module box upper cover.

[0032] As a further improvement of the above scheme, a module box hand latch groove is provided on the module box upper cover and / or a module box hand latch protrusion is provided on the module box base to facilitate disassembly of the module box assembly.

[0033] As a further improvement of the above scheme, the module box printed board includes a module box printed board body and a pin header arranged on the module box printed board body. Correspondingly, the PCB printed board body is provided with a female header that matches and connects with the pin header to realize the communication connection between the module box assembly and the terminal row CT printed board assembly.

[0034] As a further improvement of the above scheme, the bottom box body includes a bottom plate and a surrounding plate, the surrounding plate is arranged around the outer edge of the bottom plate and has an opening on one side to facilitate the terminal discharge lines in the terminal row CT printed circuit board assembly; and a vertical partition is also arranged on the bottom plate, and the vertical partition divides the accommodating space of the bottom box body into a first accommodating space and a second accommodating space.

[0035] As a further improvement of the above scheme, the side of the base box body has two sides of the open end, and is respectively provided with a clamping plate for clamping the terminal row in the terminal row CT printed circuit board assembly, and the top of the clamping plate is provided with an insulating sheet clamping hole; the inner wall of the clamping plate is also provided with a buckle for clamping the terminal row in the terminal row CT printed circuit board assembly.

[0036] As a further improvement of the above solution, a CT printed board support block for supporting the terminal block CT printed board assembly is arranged in the first accommodating space; and module box guide ribs for installation guidance are arranged on the inner wall of the second accommodating space.

[0037] As a further improvement of the above scheme: a first perspective hole and a second perspective hole are provided on the upper box body, a first lens is provided in the first perspective hole, an infrared lens is provided in the second perspective hole, and the first lens and the infrared lens are connected to the perspective holes by ultrasonic welding.

[0038] As a further improvement of the above scheme: a button mounting hole is also provided on the upper box body, a button part is provided in the button mounting hole, the button part is sealed and connected to the upper box body through a spring, and a sealing ring is also provided at the joint between the button part and the upper box body, which is used for sealing between the button part and the upper box body to prevent water or dust from entering the interior of the monitor and reduce the probability of failure of the terminal block CT printed circuit board assembly.

[0039] As a further improvement of the above solution, a terminal compartment sealing gasket is provided at the corresponding terminal compartment on the upper box body, and a battery compartment sealing gasket is provided at the corresponding battery compartment to prevent water or dust from entering the interior of the monitor.

[0040] It should be noted that the first end cover and the upper box body are fixedly connected by a fastening assembly after assembly, the upper box body and the bottom box body are fixedly connected by a fastening assembly after assembly, and the second end cover and the bottom box body are fixedly connected by a fastening assembly after assembly, so as to increase the connection firmness between the upper box assembly and the lower box assembly and ensure the overall reliability of the monitor, and in some preferred embodiments, the fastening assembly uses screws and washers for a fastened and detachable connection.

[0041] Since the present invention adopts the above technical solution, the beneficial effects of this application are:

[0042] 1. A modular monitoring instrument of the present invention, the present invention provides a modular monitoring instrument, comprising: an upper box assembly, a bottom box assembly, a terminal row CT printed circuit board assembly and a module box assembly; the upper box assembly comprises an upper box body, a first upper end cover and a second upper end cover, the first upper end cover and the second upper end cover are respectively detachably connected to the two ends of the upper box body, and a first waterproof structure is provided at the connection between the two end covers and the upper box body; a radio frequency card slot is provided on the upper box body in the direction facing the bottom box assembly, and the radio frequency card slot is integrally formed with the upper box body; the bottom box assembly comprises a bottom box body, and a first accommodating space for accommodating the terminal row CT printed circuit board assembly and a second accommodating space for accommodating the module box assembly are provided in the bottom box body; the terminal row CT printed circuit board assembly and the module box assembly are plug-in connected and are respectively clamped in their corresponding accommodating spaces; the upper box assembly and the bottom box assembly are detachably buckled and connected; a sealing ring and a second waterproof structure are provided at the buckling connection between the upper box assembly and the bottom box assembly;

[0043] The modular monitor provided by the present invention adopts a modular approach, whether it is the internal functional components or the external protective shell, and the modules are connected by a card connection, so that the monitor is easy to assemble and easy to achieve the commonality of products between different models, reducing the management cost of accessories; in particular, the module box component and the terminal block CT printed circuit board component are designed separately and independently, and the module box component is installed in the second accommodating space in a plug-in manner, which is convenient for assembly and disassembly, and the module box component can be flexibly replaced according to different functional requirements, thereby improving the versatility of the product;

[0044] In addition, the present invention sets the upper box assembly separately, that is, the upper box body is set in the middle, and the first upper end cover and the second upper end cover are respectively clamped at the two ends of the upper box body, and all three are clamped in a clamping manner, which is convenient for installation and disassembly. Specifically, the second end cover is set at the upper part of the module box assembly to protect the module box assembly, and the first upper end cover is set at the terminal row in the terminal row CT printed circuit board assembly, and in some preferred embodiments, a knock-off plate is provided on the side of the first upper end cover to facilitate the selective wiring of the terminal row according to the on-site installation space; a radio frequency card slot is provided on the upper box body in the direction toward the bottom box assembly, and the radio frequency card slot is integrally formed with the upper box body. The integrated design of the radio frequency card slot and the upper box body makes it unnecessary to have an additional waterproof sealing design at the radio frequency card slot, saving manufacturing costs;

[0045] Furthermore, in order to improve the waterproof performance of the modular monitor, on the one hand, a first waterproof structure is provided at the split part of the upper box assembly, that is, the corresponding connection between the first end cover and the upper box body, and the corresponding connection between the second end cover and the upper box body; on the other hand, a second waterproof structure is provided at the connection between the upper box assembly and the bottom box assembly. The setting of the first waterproof structure and the second waterproof structure prevents water or dust from entering the monitor, thereby reducing the probability of failure of functional components inside the monitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

[0047] Figure 1 Schematic diagram of the explosion of the modular monitoring device of the present invention Figure 1 ;

[0048] Figure 2 Schematic diagram of the explosion of the modular monitoring device of the present invention Figure 2 ;

[0049] Figure 3 The main explosion route map of the modular monitor of the present invention;

[0050] Figure 4 is a three-dimensional schematic diagram of a modular monitoring instrument of the present invention;

[0051] Figure 5 This is a schematic diagram of the main view of the modular monitoring instrument of the present invention:

[0052] Figure 6 for Figure 5 AA section view;

[0053] Figure 7 for Figure 6 A partial view in the direction of I;

[0054] Figure 8 It is a three-dimensional schematic diagram of the antenna plug;

[0055] The reference numerals are as follows:

[0056] 1. Upper box assembly;

[0057] 11. Upper box body; 111. RF card slot; 112. Extended arm; 12. First upper end cover; 121. Knock-off plate; 122. Positioning groove; 13. Second upper end cover; 131. External antenna through hole; 14. Antenna plugging; 15. Terminal compartment sealing gasket; 16. Battery compartment sealing gasket;

[0058] 2. Bottom box assembly;

[0059] 21. bottom box body; 211. bottom plate; 212. enclosure; 213. vertical partition; 22. first accommodation space; 23. second accommodation space; 24. sealing groove; 25. positioning frame; 26. hook;

[0060] 3. Terminal block CT printed circuit board assembly;

[0061] 31. PCB printed board assembly; 311. PCB printed board body; 312. RF module; 32. CT assembly; 33. Terminal block;

[0062] 4. Module box assembly;

[0063] 41. Module box base; 42. Module box printed board; 43. Module box cover; 44. SIM card door; 45. Hole; 46. Module box hand grip groove; 47. Module box hand grip protrusion; 48. External antenna;

[0064] 5. The first waterproof structure;

[0065] 51. First waterproof groove; 52. Waterproof wall;

[0066] 6. Sealing ring;

[0067] 7. Second waterproof structure;

[0068] 71. Second waterproof groove; 72. Waterproof fence; 721. Inner enclosure; 722. Outer enclosure; 723. Inverted U-shaped groove; 73. Diversion hole;

[0069] 8. Radio frequency card. DETAILED DESCRIPTION

[0070] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0071] It should be noted that all directional indications in the embodiments of the present invention, such as first, second, up, down, left, right, front, back, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0072] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0073] The present invention will be further described below in conjunction with the accompanying drawings:

[0074] Reference Figure 1-Figure 8 , the present invention provides a modular monitoring instrument, comprising: an upper box assembly 1, a bottom box assembly 2, a terminal block CT printed board assembly 3 and a module box assembly 4;

[0075] The upper box assembly 1 includes an upper box body 11, a first upper end cover 12 and a second upper end cover 13, the first upper end cover 12 and the second upper end cover 13 are detachably connected to the two ends of the upper box body 11, and a first waterproof structure 5 is provided at the connection between the two end covers and the upper box body 11. Specifically, the first waterproof structure 5 includes a first waterproof groove 51 provided at the end of the upper box body 11, and a waterproof wall 52 provided at the corresponding position of the first upper end cover 12 and the second upper end cover 13, and the waterproof wall 52 is inserted in the corresponding waterproof groove to prevent external dust and water from entering the bottom box assembly 2;

[0076] The upper box body 11 is provided with a radio frequency card slot 111 in the direction toward the bottom box assembly 2, and the radio frequency card slot 111 is integrally formed with the upper box body 11; on the one hand, it is convenient to insert and remove the radio frequency card 8, and on the other hand, the integrated setting avoids the setting of an additional waterproof structure here;

[0077] The bottom box assembly 2 includes a bottom box body 21, and the bottom box body 21 is provided with a first accommodation space 22 for accommodating the terminal block CT printed circuit board assembly 3, and a second accommodation space 23 for accommodating the module box assembly 4; the terminal block CT printed circuit board assembly 3 and the module box assembly 4 are plug-in connected and are respectively clamped in their corresponding accommodation spaces;

[0078] The upper box assembly 1 and the bottom box assembly 2 are detachably buckled and connected; a sealing ring 6 and a second waterproof structure 7 are provided at the buckled connection between the upper box assembly 1 and the bottom box assembly 2; specifically, the second waterproof structure 7 includes a second waterproof groove 71 arranged around the top of the bottom box body 21, and a waterproof fence 72 arranged around the bottom of the upper box body 11 and the second upper end cover 13;

[0079] The second waterproof groove 71 is continuously arranged along the top contour of the bottom box body 21, and at least one guide hole 73 is provided on the bottom of the second waterproof groove 71 for guiding water to flow out;

[0080] The waterproof fence 72 is continuously arranged along its corresponding bottom contour, and the waterproof fence 72 envelops the outer edge of the second waterproof groove 71 from top to bottom to prevent moisture from entering the bottom box assembly 2. The setting of the first waterproof structure 5 and the second waterproof structure 7 prevents water or dust from entering the monitor, reducing the probability of failure of functional components inside the monitor.

[0081] The modular monitor provided by the present invention adopts a modular approach, whether it is the internal functional components or the external protective shell, and the modules are connected by a card connection, so that the monitor is easy to assemble and easy to achieve the commonality of products between different models, reducing the management cost of accessories; in particular, the module box component 4 and the terminal block CT printed circuit board component 3 are designed separately and independently, and the module box component 4 is installed in the second accommodating space 23 in a plug-in manner, which is convenient for assembly and disassembly, and the module box component 4 can be flexibly replaced according to different functional requirements, thereby improving the versatility of the product;

[0082] In addition, the present invention sets the upper box assembly 1 in a split manner, that is, it is divided into an upper box body 11 set in the middle, and a first upper end cover 12 and a second upper end cover 13 respectively clamped at the two ends of the upper box body 11, and all three are clamped in a clamping manner, which is convenient for installation and disassembly. Specifically, the second end cover is set on the upper part of the module box assembly 4 to protect the module box assembly 4, and the first upper end cover 12 covers the terminal row 33 in the terminal row CT printed circuit board assembly 3, and in some preferred embodiments, a knock-off plate 121 is provided on the side of the first upper end cover 12 to facilitate selective wiring of the terminal row 33 according to the on-site installation space; a radio frequency card slot 111 is provided on the upper box body 11 in the direction toward the bottom box assembly 2, and the radio frequency card slot 111 is integrally formed with the upper box body 11, and the integrated design of the radio frequency card slot 111 and the upper box body 11 makes it unnecessary to have an additional waterproof sealing design at the radio frequency card slot 111, thereby saving manufacturing costs.

[0083] As a preferred embodiment, in order to further improve the overall waterproof and dustproof sealing of the monitor, a sealing groove 24 is provided at the top of the base box body 21, adjacent to the second waterproof groove 71 and toward the interior of the base box assembly 2, and the sealing ring 6 is provided in the sealing groove 24.

[0084] As a preferred embodiment, in order to further improve the overall waterproof and dustproof sealing performance of the monitor, the waterproof fence 72 is an inverted U-shaped structure, including an inner enclosure 721 and an outer enclosure 722, and an inverted U-shaped groove 723 is formed between the inner enclosure 721 and the outer enclosure 722; the inner enclosure 721 is clamped in the sealing groove 24 to compress the sealing ring 6; the inverted U-shaped groove 723 is buckled above the second waterproof groove 71 and envelops the outer edge of the second waterproof groove 71; with such a configuration, the sealing ring 6 constitutes an internal waterproof and dustproof defense line; the second waterproof groove 71 constitutes a middle waterproof and dustproof defense line, especially in the second waterproof groove 71. A drainage hole is also provided at the bottom of the water tank 71. Even if a trace amount of moisture enters, it will be drained to the outside of the bottom box body 21 through the drainage hole and will not enter the interior of the monitor. The inverted U-shaped groove 723 is buckled above the second waterproof groove 71 and envelops the outer edge of the second waterproof groove 71, forming an external waterproof and dustproof external defense line, so that external moisture preferentially slides along the outer side of the upper box assembly 1, greatly reducing the probability of moisture entering the interior of the monitor. The setting of the inner, middle and outer three-layer waterproof and dustproof defense line ensures the dryness of the components inside the monitor, reduces the probability of failure of internal functional components, and thus improves the overall reliability of the monitor.

[0085] As a preferred embodiment, the first upper end cover 12 is used to protect the terminal block 33 in the terminal block CT printed circuit board assembly 3, and a knock-out plate 121 is provided on one side corresponding to the terminal block 33, so that the knock-out plate 121 can be selectively knocked off according to the installation space on site to facilitate the installation of the terminal block 33. The provision of the knock-out plate 121 on the first upper end cover 12 greatly improves the versatility of the monitor and the aesthetics of the whole.

[0086] As a preferred embodiment, a positioning groove 122 is provided on the inner wall of the first upper end cover 12, and correspondingly, a positioning frame 25 matching the positioning groove 122 is provided on the bottom box body 21, and the positioning groove 122 is clamped in the positioning frame 25 to realize reliable positioning and installation between the two. Specifically, the cross-section of the positioning frame 25 is U-shaped, and is arranged from top to bottom at a corresponding position of the bottom plate 211 of the bottom box body 21, and the U-shaped opening of the positioning frame 25 is arranged toward the second accommodating space 23. With such a setting, when the positioning groove 122 is clamped in the positioning frame 25, the first upper end cover 12 can be guided and positioned in the front and rear directions and away from the second accommodating space 23. At the same time, the setting of the positioning frame 25 also strengthens the strength here, making the installation more reliable, compact and firm.

[0087] As a preferred embodiment, the upper box body 11 is provided with at least two extending arms 112, and correspondingly, the bottom box body 21 is provided with a hook 26 engaged with the two extending arms 112, and the extending arms 112 and the hook 26 are overlapped up and down to realize the detachable connection between the upper box body 11 and the bottom box assembly 2.

[0088] As a preferred embodiment, an external antenna through hole 131 is opened on the second end cover, and an antenna plug 14 is arranged at the external antenna through hole 131, and the antenna plug 14 includes a first plug end, a connector and a second plug end connected in sequence, the first plug end completely matches the shape of the external antenna through hole 131 when the external antenna 48 is not provided, and the second plug end matches the shape of the external antenna through hole 131 formed when the external antenna 48 is provided; specifically, when a built-in antenna is provided in the module box assembly 4, the first plug end of the antenna plug 14 is blocked It is arranged at the external antenna passage hole 131, and at this time, the second plug end is hidden inside the second end cover; when the module box assembly 4 is arranged with an external antenna 48, the external antenna 48 is exposed to the outside of the second end cover through the external antenna passage hole 131, and at this time, the second plug end of the antenna plug 14 is blocked at the external antenna passage hole 131, and at this time, the first plug end is hidden inside the second end cover. Such an arrangement not only improves the versatility of the second end cover, but also effectively ensures the waterproof and dustproof of the internal functional components, thereby improving the reliability of the monitor.

[0089] As a preferred embodiment, the terminal row CT printed board assembly 3 includes a PCB printed board assembly 31, a CT assembly 32 and a terminal row 33;

[0090] The PCB printed board assembly includes a PCB printed board body 311 and a radio frequency module 312 vertically connected to the PCB printed board body 311;

[0091] The CT component 32 is welded to one end of the PCB printed board body 311, the terminal row 33 is connected to the CT component 32 by a clamping assembly, and is fixedly connected to the PCB printed board body 311 through a fastening assembly; during installation, the PCB printed board body 311 is horizontally arranged in the bottom box component 2, and the RF module is arranged corresponding to the RF card slot 111 of the upper box body 11.

[0092] As a preferred embodiment, the module box assembly 4 includes a module box base 41, a module box printed board 42 and a module box upper cover 43. The bottom of the module box printed board 42 is vertically clamped in the module box base 41, and the upper part is clamped in the module box upper cover 43; the module box upper cover 43 and the module box base 41 are detachably buckled and connected;

[0093] The module box base 41 is also provided with a detachable SIM card door 44 to facilitate installation of the SIM card.

[0094] As a preferred embodiment, the module box base 41 is a box body with an open top, at least two guide arms extend upward around the top of the box body, and the guide arms are provided with positioning holes. Correspondingly, the module box upper cover 43 is provided with a guide groove matching the guide arm, and the bottom of the guide groove is provided with a positioning protrusion corresponding to the positioning hole. The buckle connection between the guide arm and the positioning hole facilitates the assembly of the module box assembly 4 and the replacement of the functional module in the module box as needed.

[0095] Specifically, the module box upper cover 43 is also provided with a hole 45 for an external antenna 48 to pass through. When the module box assembly 4 is provided with an external antenna 48, the external antenna 48 passes through the hole 45 and is exposed to the outside of the second upper end cover 13; in some preferred embodiments, a built-in antenna is provided in the module box assembly 4; the setting of the hole 45 on the module box upper cover 43 facilitates the configuration of different types of antennas according to the needs of different customers, greatly increasing the versatility of the present monitor so as to reduce the mold opening and management costs of accessories.

[0096] As a preferred embodiment, a module box hand latch groove 46 is provided on the module box upper cover 43 and / or a module box hand latch protrusion 47 is provided on the module box base 41, which facilitates the disassembly of the module box assembly 4. Regardless of the setting of the module box hand latch groove 46 or the module box hand latch protrusion 47, the module box assembly 4 can be conveniently disassembled or assembled.

[0097] As a preferred embodiment, the module box printed board 42 includes a module box printed board 42 body and a pin header arranged on the module box printed board 42 body. Correspondingly, the PCB printed board body 311 is provided with a female header that matches and connects with the pin header to realize the communication connection between the module box assembly 4 and the terminal block CT printed board assembly 3.

[0098] As a preferred embodiment, the bottom box body 21 includes a bottom plate 211 and a surrounding plate 212, wherein the surrounding plate 212 is arranged around the outer edge of the bottom plate 211 and has an opening on one side so as to facilitate the outlet of the terminal row 33 in the terminal row CT printed circuit board assembly 3; and a vertical partition 213 is also arranged on the bottom plate 211, and the vertical partition 213 divides the accommodation space of the bottom box body 21 into a first accommodation space 22 and a second accommodation space 23;

[0099] The side of the bottom box body 21 has two sides of the open end, and is respectively provided with a clamping plate for clamping the terminal row 33 in the terminal row CT printed circuit board assembly 3, and the top of the clamping plate is provided with an insulating sheet clamping hole; the inner wall of the clamping plate is also provided with a buckle for clamping the terminal row 33 in the terminal row CT printed circuit board assembly 3.

[0100] As a preferred embodiment, a CT printed board support block for supporting the terminal block CT printed board assembly 3 is provided in the first accommodating space 22; and module box guide ribs for installation guidance are provided on the inner wall of the second accommodating space 23.

[0101] As a preferred embodiment, a first perspective hole and a second perspective hole are provided on the upper box body 11, a first lens is provided in the first perspective hole, an infrared lens is provided in the second perspective hole, and both the first lens and the infrared lens are connected to the perspective holes by ultrasonic welding.

[0102] As a preferred embodiment, a button mounting hole is further provided on the upper box body 11, and a button part is provided in the button mounting hole. The button part is sealed and connected to the upper box body 11 through a spring, and a sealing ring is also provided at the joint between the button part and the upper box body 11, which is used for sealing between the button part and the upper box body 11 to prevent water or dust from entering the interior of the monitor and reduce the probability of failure of the terminal block CT printed circuit board assembly 3.

[0103] As a preferred embodiment, a terminal compartment sealing gasket 15 is provided at the corresponding terminal compartment on the upper box body 11, and a battery compartment sealing gasket 16 is provided at the corresponding battery compartment to prevent water or dust from entering the interior of the monitor.

[0104] It should be noted that the first end cover and the upper box body 11 are fixedly connected by a fastening assembly after the assembly is completed, the upper box body 11 and the bottom box body 21 are fixedly connected by a fastening assembly after the assembly is completed, and the second end cover and the bottom box body 21 are fixedly connected by a fastening assembly after the assembly is completed, so as to increase the connection firmness between the upper box assembly 1 and the lower box assembly and ensure the overall reliability of the monitor, and in some preferred embodiments, the fastening assembly uses screws and washers for a fastened and detachable connection.

[0105] The steps for assembling this monitor are as follows:

[0106] S1: Assembling the upper box body 11: ultrasonically weld the first lens and the infrared lens to the corresponding positions of the upper box body 11 respectively; then install the button to the corresponding position through the spring and the sealing ring, and install the terminal compartment sealing gasket 15 at the corresponding terminal compartment of the upper box body 11, and install the battery compartment sealing gasket 16 at the corresponding battery compartment. The practicality of the sealing and the sealing gasket improves the sealing performance of the monitor, thereby achieving the effect of waterproof and dustproof;

[0107] S2: Assembling the bottom box assembly 2: installing the sealing ring 6 in the second waterproof groove 71;

[0108] S3: Assembling the terminal row CT printed board assembly 3: welding the electronic components such as the video module to the PCB printed board assembly 31, then welding the CT assembly 32 to one end of the PCB printed board body 311, and then clamping and connecting the terminal row 33 to the CT assembly 32, and fixing the terminal row 33 to the PCB printed board body 311 through a fastening assembly;

[0109] S4: Assembling the module box assembly 4: first clamp the bottom of the module box printed board 42 on the module box base 41, snap the module box cover 43 onto the module box base 41, and then install the SIM card door 44;

[0110] S5: assembling the second end cover: ultrasonically weld the module lens at the corresponding position of the second end cover, and install the antenna plug at the external antenna through hole 131 according to the use of the antenna. Specifically, when the internal antenna is used, the first plug end of the antenna plug is plugged at the external antenna through hole 131; when the external antenna 48 is used, the second plug end of the antenna plug is plugged at the external antenna through hole 131;

[0111] S6: Install one end of the terminal block CT printed circuit board assembly 3 assembled in step S3 onto the CT printed circuit board support block of the bottom box body 21, rotate the terminal block CT printed circuit board assembly 3, and the other end of the terminal block CT printed circuit board assembly 3 will slide along the guide ribs on the inner wall of the bottom box body 21 until the PCB printed circuit board body 311 is installed in the bottom box assembly 2 in a horizontal state;

[0112] S7: Overlap the extended arm 112 of the upper box body 11 assembled in step S1 with the hook 26 of the bottom box body 21 to achieve a detachable connection between the upper box body 11 and the bottom box assembly 2; at the same time, the waterproof fence 72 of the upper box body 11 envelops the outer edge of the second waterproof groove 71 on the bottom box body 21 to protect the bottom box body 21, and the inner layer enclosure 721 of the waterproof fence 72 will press the sealing ring 6 set in the corresponding sealing groove 24, and the battery compartment sealing gasket 16 and the terminal compartment sealing gasket 15 will also press the surface of the PCB printed board body 311 at the same time to play a waterproof role. Even if water enters the sealing groove 24 on the bottom box body 21, the water will be guided away through the guide hole 73 and flow out of the shell;

[0113] S8: inserting the module box assembly 4 assembled in step S4 into the second accommodation space 23 of the bottom box assembly 2, and inserting the pin headers on the module box assembly 4 into the female headers on the PCB printed board body 311;

[0114] S9: insert the waterproof wall 52 of the second end cover assembled in step S5 into the first waterproof groove 51 at one end of the upper box body 11 and install it in place. At the same time, the waterproof fence 72 arranged on the second end cover envelops the outer edge of the second waterproof groove 71 of the bottom box body 21 to protect the bottom box body 21; at the same time, the second end cover and the antenna plug will press the sealing ring 6 arranged in the sealing groove 24 of the bottom box body 21;

[0115] S10: Insert the waterproof wall 52 of the first end cover into the first waterproof groove 51 at the other end of the upper box body 11, and insert the positioning groove 122 of the first end cover into the positioning frame 25 of the lower box body to complete the assembly.

[0116] It should be noted that lead sealing devices need to be installed between the first end cover and the bottom box body 21, between the upper box body 11 and the bottom box body 21, and between the second end cover and the bottom box body 21 to prevent theft.

[0117] Through the above steps, it can be seen that the monitor is quick and convenient to assemble, and the assembly is firm and efficient, while the monitor has the functions of being waterproof and dustproof.

[0118] The above is a detailed introduction to the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the methods and core ideas of the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A modular monitoring instrument, characterized in that: include: Upper box assembly, bottom box assembly, terminal block CT printed circuit board assembly and module box assembly; The upper box assembly comprises an upper box body, a first upper end cover and a second upper end cover, wherein the first upper end cover and the second upper end cover are detachably connected to the two ends of the upper box body respectively, and a first waterproof structure is provided at the connection between the two end covers and the upper box body; the first waterproof structure comprises a first waterproof groove provided at the two ends of the upper box body, and a waterproof wall provided at the corresponding positions of the first upper end cover and the second upper end cover, and the waterproof wall is inserted into the corresponding waterproof groove; A radio frequency card slot is provided on the upper box body in a direction toward the bottom box assembly, and the radio frequency card slot is integrally formed with the upper box body; The bottom box assembly includes a bottom box body, and the bottom box body is provided with a first accommodation space for accommodating the terminal row CT printed circuit board assembly, and a second accommodation space for accommodating the module box assembly; the terminal row CT printed circuit board assembly and the module box assembly are plug-in connected and are respectively detachably mounted in their corresponding accommodation spaces; The upper box assembly and the bottom box assembly are detachably snap-fitted; a sealing ring and a second waterproof structure are provided at the snap-fitting connection between the upper box assembly and the bottom box assembly; the second waterproof structure comprises a second waterproof groove arranged around the top of the bottom box body, and a waterproof fence arranged around the bottom of the upper box body and the second upper end cover; the second waterproof groove is continuously arranged along the top contour of the bottom box body, and at least one guide hole is provided on the bottom of the second waterproof groove; the waterproof fence is continuously arranged along the corresponding bottom contour, and the waterproof fence envelops the outer edge of the second waterproof groove from top to bottom; The waterproof fence is an inverted U-shaped structure, including an inner enclosure and an outer enclosure, and an inverted U-shaped groove is formed between the inner enclosure and the outer enclosure; the inner enclosure is clamped in the sealing groove to compress the sealing ring; the inverted U-shaped groove is buckled above the second waterproof groove and envelopes the outer edge of the second waterproof groove.

2. A modular monitoring instrument according to claim 1, characterized in that: A sealing groove is provided on the top of the bottom box body, adjacent to the second waterproof groove and facing the inside of the bottom box assembly, and the sealing ring is provided in the sealing groove.

3. A modular monitoring instrument according to claim 1 or 2, characterized in that: The module box assembly includes a module box base, a module box printed board and a module box cover. The bottom of the module box printed board is vertically clamped in the module box base, and the upper part is clamped in the module box cover. The module box cover and the module box base are detachably snap-fitted.

4. A modular monitoring instrument according to claim 1 or 2, characterized in that: A positioning groove is provided on the inner wall of the first upper end cover, and correspondingly, a positioning frame matching the positioning groove is provided on the bottom box body, and the positioning groove is clamped in the positioning frame.

5. A modular monitoring instrument according to claim 1 or 2, characterized in that: The upper box body is provided with at least two extending arms, and correspondingly, the bottom box body is provided with a hook that is engaged with the two extending arms, and the extending arms and the hooks are overlapped to achieve a detachable connection between the upper box body and the bottom box assembly.

6. A modular monitoring instrument according to claim 1 or 2, characterized in that: An external antenna passage hole is provided on the second upper end cover, and an antenna plug is provided at the external antenna passage hole. The antenna plug includes a first plug end, a connector and a second plug end which are connected in sequence. The first plug end completely matches the shape of the external antenna passage hole when no external antenna is provided, and the second plug end matches the shape of the antenna passage hole formed when an external antenna is provided.

7. A modular monitoring instrument according to claim 1 or 2, characterized in that: The terminal row CT printed board assembly comprises a PCB printed board assembly, a CT assembly and a terminal row; The PCB printed board assembly includes a PCB printed board body and a radio frequency module vertically connected to the PCB printed board body; The CT component is welded at one end of the PCB printed board body, the terminal row is connected with the CT component by clamping, and is fixedly connected with the PCB printed board body by a fastening component; The PCB printed board body is horizontally arranged in the bottom box assembly, and the radio frequency module is arranged corresponding to the radio frequency card slot of the upper box body.

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