Assembly type monitor

Abstract

The utility model discloses an assembly type monitor, which comprises an assembly type shell unit and an electronic unit arranged in the shell unit, the shell unit comprises a first shell and a second shell, two sides of the first shell and the second shell are provided with partition plates, and the first shell and the second shell are positioned with shaft holes of the partition plates; the electronic unit is in sliding positioning connection with the first shell / the second shell; the first shell is fixedly connected with the second shell; according to the utility model, the characteristics of structural design are flexibly applied, all the parts are firmly, reliably, quickly and accurately connected, the integral disassembly can be realized only by disassembling the fixed joint of the first shell and the second shell during disassembly, the mounting and the disassembly are simple and convenient, the cost is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring instruments, in particular to an assembled monitoring instrument. Background Art

[0002] A power distribution monitor is a device used to monitor parameters such as current, voltage, and power in a power system. It can monitor the operating status of the power system in real time, helping users to find problems in a timely manner and take measures to ensure the safe and stable operation of the power system. Power distribution monitors are usually used in industrial enterprises, commercial buildings, hospitals and other places to help users manage power consumption, improve energy efficiency, and reduce operating costs. At present, with the rapid development of the country's smart grid, the demand for smart meters is also increasing day by day. Due to the large number of power monitors, reliable assembly and lower cost must be required, which also seriously restricts the development of various manufacturers.

[0003] In the prior art, the following documents are mainly related to this application:

[0004] The document is a modular assembled monitoring instrument with a publication date of 2021.09.21 and publication number CN214252393U; after the base meter module and the communication module are moved to the appropriate position on the mounting rail, they are fixed by fixing buckles, and the fixing buckles cannot be adjusted. The locking method of this fixing buckle is not firm.

[0005] Moreover, in the prior art, modular structures are mainly fixed by riveting, which is complicated during assembly, increases the difficulty of assembly, and is not smooth in installation, causing great trouble and inconvenience to production. The assembly and use are not simplified enough, and the assembly connection of various components is unreliable, not firm, and inconvenient to use. At the same time, the manufacturing cost is relatively high, and the product design cost is high. Utility Model Content

[0006] The purpose of the utility model is to provide an assembled monitoring instrument, which solves the problems of unreliable and unstable assembly connection caused by the connection mode between modular structures in the prior art, as well as complex and unsmooth assembly.

[0007] The utility model is implemented as follows: an assembled monitoring instrument comprises an assembled shell unit and an electronic unit placed in the shell unit, wherein the shell unit comprises a first shell and a second shell, partitions are provided on both sides of the first shell and the second shell, and the first shell and the second shell are positioned with axis holes of the partitions; the electronic unit is slidably positioned and connected to the first shell / second shell; and the first shell and the second shell are fixedly connected.

[0008] When the monitor is assembled, the electronic unit is guided and connected to the inside of the shell unit by sliding, and stops after sliding into place, thereby realizing the connection and positioning of the electronic unit in the shell unit. In this process, the connection can be quickly realized and the positioning can be accurately achieved due to the guiding effect of the sliding. The use of the electronic unit and the shell unit in a sliding connection manner facilitates the installation, guidance, positioning and other issues of parts and components; the partitions on both sides of the shell unit use axial holes to achieve connection with the first shell and the second shell, and the connection and positioning are fast; in order to ensure assembly stability, the first shell and the second shell are fixedly connected, and under the fixed connection of the first shell and the second shell, the position of the partition and the electronic unit is fixed; the utility model flexibly uses the characteristics of structural design, and the connections between the various components are firm, reliable, fast and accurate. When disassembling, it is only necessary to disassemble the fixed connection between the first shell and the second shell to realize the overall disassembly. The utility model has the advantages of not only simplifying installation and disassembly, but also saving costs and improving production efficiency.

[0009] A further technical solution of the utility model is: a slide rail is provided inside the housing unit, a slide rail groove for sliding along the slide rail is provided on the electronic unit, and a limit block for sliding and positioning the electronic unit is provided inside the housing unit.

[0010] When the electronic unit and the housing unit are assembled, the slide rail groove on the electronic unit moves along the slide rail. In this process, the cooperation between the slide rail and the slide rail groove not only plays a guiding role but also can be accurately positioned to the set position in the housing unit under the action of the limit block. The installation of the electronic unit uses the design of slide rails, slide rail grooves and limit blocks, which makes the product assembly smooth and efficient, the process simple and the cost lower.

[0011] A further technical solution of the utility model is that the partitions on both sides of the shell unit cooperate with the positioning columns on the shell unit through positioning holes for connection and positioning.

[0012] The design of positioning columns and positioning holes ensures that the product can be installed accurately, precisely, correctly and efficiently, while also making the product more compact, firmer and more reliable.

[0013] A further technical solution of the utility model is: a stud is provided on the first shell, and the stud passes through the second shell to achieve fixed connection between the first shell and the second shell through screws.

[0014] The electronic unit is fastened by screws on the housing unit, which is more secure and less likely to cause the housing unit to be opened accidentally, making it safer and more reliable to use. When disassembling, you only need to remove the screws from the studs to quickly disassemble the monitor for easy maintenance.

[0015] A further technical solution of the utility model is: a slidable elastic fixing buckle is provided on the shell unit, and the fixing buckle is used to connect the shell unit with the guide rail.

[0016] The design of the fixing buckle is elastic and cleverly uses elastic technology to solve the problem of fixing the shell unit, making the installation of the monitor more flexible and the monitor and guide rail more firmly installed, simplifying the parts design, and making disassembly and assembly flexible and convenient, which is conducive to maintenance.

[0017] A further technical solution of the utility model is: the fixing buckle comprises an annular member and an elastic member, one end of the elastic member is connected to the annular member and the other end is in contact with the housing unit.

[0018] A further technical solution of the utility model is: a guide rail is provided on the housing unit, the fixing buckle can slide along the guide rail, and a positioning block is provided on the fixing buckle to cooperate with the positioning groove on the guide rail.

[0019] One end of the fixing buckle contacts the guide rail, and the other end of the fixing buckle contacts the shell unit elastically; when the shell unit is installed on the guide rail, the buckle end of the shell unit is clamped on the guide rail, and the shell unit is rotated until the shell unit is completely clamped on the guide rail. The fixing buckle has a certain elastic effect due to the presence of the elastic part, so when the shell unit is clamped, the elastic part of the fixing buckle elastically contracts under the action of external force, and the annular part in the fixing buckle slides in the guide rail. When the shell unit is completely clamped into the guide rail, the external force is released, and the elastic part rebounds to clamp the guide rail. During the whole process, the positioning block will also slide in the positioning groove to play a role in positioning and limiting, and avoid the deformation of the elastic part too much and failure. The design of the fixing buckle is elastic and cleverly uses elastic technology to solve the problem of fixing the shell unit, which can make the installation of the monitor more flexible, and the monitor and the guide rail are more firmly installed. It simplifies the design of parts, and is flexible and convenient to disassemble and assemble, which is conducive to maintenance.

[0020] Put the fixing buckle into the guide rail. Due to the presence of the positioning block, the positioning block can only be placed into the positioning groove, otherwise it cannot be installed. It not only plays the role of positioning and limiting, but also plays a fool-proof role to prevent wrong installation. The fool-proof design of the positioning block ensures that the product is simple and efficient during installation, prevents wrong installation, and is simple and clear. At the same time, it also ensures the safety of the product during use, which is simple and practical.

[0021] A further technical solution of the utility model is: a light guide column extending into the inner side of the housing unit is provided on the housing unit, and the light guide column is interference fit with the housing unit.

[0022] The use of light guides can not only save costs but also enhance the appearance of the product.

[0023] A further technical solution of the utility model is: the electronic unit comprises an upper printed board, a lower printed board and a side printed board, and the upper printed board is provided with a patch lamp.

[0024] The use of SMD lamps improves production efficiency, solves the potential risks of plug-in lamps, and reduces costs.

[0025] The assembly of the electronic unit and the shell unit utilizes mechanical features and structural design. The electronic unit is installed and positioned with the shell unit by sliding, and then the electronic unit is fixed in the shell unit through the shell unit. The electronic unit and the shell unit do not need to be fixed by other structures, and the installation is convenient and quick.

[0026] A further technical solution of the utility model is: the electronic unit includes a terminal module for connecting cables, and a limiting groove for limiting the terminal module is provided on the inner side of the housing unit.

[0027] The beneficial effects of the utility model are as follows: when the monitor is assembled, the electronic unit is guided and connected with the inside of the shell unit by sliding, and stops after sliding into place, thereby realizing the connection and positioning of the electronic unit in the shell unit. In this process, the connection can be quickly realized and the positioning can be accurately achieved due to the guiding effect of the sliding. The use of the electronic unit and the shell unit in a sliding connection manner facilitates the installation, guidance, positioning and other issues of parts and components; the partitions on both sides of the shell unit adopt the axial hole matching to realize the connection with the first shell and the second shell, and the connection is fast and the positioning is fast; in order to ensure the assembly stability, the first shell and the second shell are fixedly connected, and under the fixed connection of the first shell and the second shell, the position of the partition and the electronic unit is fixed; the utility model flexibly uses the characteristics of structural design, and the connections between the various components are firm, reliable, fast and accurate. When disassembling, it is only necessary to disassemble the fixed connection between the first shell and the second shell to realize the overall disassembly. The utility model has the advantages of both simplifying installation and disassembly and saving costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the external structure of an assembled monitoring instrument provided by the utility model;

[0029] Figure 2 It is a schematic diagram of the internal structure of an assembled monitoring instrument provided by the utility model;

[0030] Figure 3 This is a schematic diagram of the internal structure of an assembled monitoring device provided by the utility model from another perspective;

[0031] Figure 4 It is a structural schematic diagram of the fixing buckle provided by the utility model.

[0032] Reference numerals: 1. housing unit, 11. first housing, 111. slide rail, 112. slide rail groove, 113. limit block, 114. stud, 115. screw, 12. second housing, 13. end cover, 131. positioning hole, 132. positioning column, 14. buckle, 15. support bar, 16. partition,

[0033] 2. Electronic unit, 21. Upper printed circuit board, 22. Lower printed circuit board, 23. Side printed circuit board, 24. SMD lamp,

[0034] 3. Fixing buckle, 31. Ring part, 32. Elastic part, 33. Positioning block, 34. Positioning groove, 35. Handle groove, 4. Guide rail, 5. Terminal module, 6. Light guide column, 7. Guide block, 8. Guide rail, 9. Lead sealing hole. DETAILED DESCRIPTION

[0035] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0036] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of the present specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present utility model, should still fall within the scope of the technical contents disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the present specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present utility model. The change or adjustment of the relative relationship, without substantial change of the technical contents, should also be regarded as the scope of the implementation of the present utility model.

[0037] Embodiment 1:

[0038] Figure 1-4An assembled monitoring instrument is shown, including an assembled shell unit 1 and an electronic unit 2 placed in the shell unit 1, the shell unit 1 includes a first shell 11 and a second shell 12, partitions 16 are provided on both sides of the first shell 11 and the second shell 12, the first shell 11 and the second shell 12 are positioned with axial holes of the partition 16; the electronic unit 2 is slidably positioned and connected to the first shell 11 / the second shell 12; the first shell 11 and the second shell 12 are fixedly connected.

[0039] When the monitor is assembled, the electronic unit is guided and connected to the inside of the shell unit by sliding, and stops after sliding into place, thereby realizing the connection and positioning of the electronic unit in the shell unit. In this process, the connection can be quickly realized and the positioning can be accurately achieved due to the guiding effect of the sliding. The use of the electronic unit and the shell unit in a sliding connection manner facilitates the installation, guidance, positioning and other issues of parts and components; the partitions on both sides of the shell unit use axial holes to achieve connection with the first shell and the second shell, and the connection and positioning are fast; in order to ensure assembly stability, the first shell and the second shell are fixedly connected, and under the fixed connection of the first shell and the second shell, the position of the partition and the electronic unit is fixed; the utility model flexibly uses the characteristics of structural design, and the connections between the various components are firm, reliable, fast and accurate. When disassembling, it is only necessary to disassemble the fixed connection between the first shell and the second shell to realize the overall disassembly. The utility model has the advantages of not only simplifying installation and disassembly, but also saving costs and improving production efficiency.

[0040] In this embodiment, an end cover 13 is provided on the outer side of the partition.

[0041] In this embodiment, the partition is a terminal partition.

[0042] In this embodiment, a slide rail 111 is disposed inside the housing unit 1 , a slide rail groove 112 sliding along the slide rail 111 is disposed on the electronic unit 2 , and a limit block 113 for sliding and positioning the electronic unit 2 is disposed inside the housing unit 1 .

[0043] When the electronic unit and the housing unit are assembled, the slide rail groove on the electronic unit moves along the slide rail. In this process, the cooperation between the slide rail and the slide rail groove not only plays a guiding role but also can be accurately positioned to the set position in the housing unit under the action of the limit block. The installation of the electronic unit uses the design of slide rails, slide rail grooves and limit blocks, which makes the product assembly smooth and efficient, the process simple and the cost lower.

[0044] In this embodiment, the slide rail groove is U-shaped and the slide rail is strip-shaped.

[0045] In this embodiment, the partitions 16 on both sides of the housing unit 1 cooperate with the positioning posts 132 on the housing unit 1 through the positioning holes 131 for connection and positioning.

[0046] The design of positioning columns and positioning holes ensures that the product can be installed accurately, precisely, correctly and efficiently, while also making the product more compact, firmer and more reliable.

[0047] In this embodiment, a stud 114 is disposed on the first shell 11 , and the stud 114 passes through the second shell 12 to achieve fixed connection between the first shell 11 and the second shell 12 through a screw 115 .

[0048] The electronic unit is fastened by screws on the housing unit, which is more secure and less likely to cause the risk of the housing unit opening accidentally, making it safer and more reliable to use. When disassembling, you only need to remove the screws from the studs to quickly disassemble the monitor for easy maintenance.

[0049] In this embodiment, a slidable elastic fixing buckle 3 is provided on the housing unit 1 , and the fixing buckle 3 is used to connect the housing unit 1 with the guide rail 4 .

[0050] The design of the fixing buckle is elastic and cleverly uses elastic technology to solve the problem of fixing the shell unit, making the installation of the monitor more flexible and the monitor and guide rail more firmly installed, simplifying the parts design, and making disassembly and assembly flexible and convenient, which is conducive to maintenance.

[0051] In this embodiment, the fixing buckle 3 includes an annular member 31 and an elastic member 32 , wherein one end of the elastic member 32 is connected to the annular member 31 and the other end is in contact with the housing unit 1 .

[0052] In this embodiment, the housing unit 1 is provided with a guide rail 8, the fixing buckle 3 can slide along the guide rail, and the fixing buckle 3 is provided with a positioning block 33 that cooperates with a positioning groove 34 on the guide rail.

[0053] One end of the fixing buckle contacts the guide rail, and the other end of the fixing buckle contacts the shell unit elastically; when the shell unit is installed on the guide rail, the buckle 14 on the shell unit is clamped on the guide rail, and the shell unit is rotated until the shell unit is completely clamped on the guide rail. The fixing buckle has a certain elastic effect due to the presence of the elastic member, so when the shell unit is clamped, the elastic member of the fixing buckle elastically contracts under the action of external force, and the annular member in the fixing buckle slides in the guide rail. When the shell unit is completely clamped into the guide rail, the external force is released, and the elastic member rebounds to clamp the guide rail. During the whole process, the positioning block will also slide in the positioning groove 34 to play a role in positioning and limiting, and avoid the deformation of the elastic member too much and failure. The design of the fixing buckle is elastic and cleverly uses elastic technology to solve the problem of fixing the shell unit, which can make the installation of the monitor more flexible, and the monitor and the guide rail are more firmly installed, simplifying the design of parts, and making disassembly and assembly flexible and convenient, which is conducive to maintenance.

[0054] Put the fixing buckle into the guide rail. Due to the presence of the positioning block, the positioning block can only be placed in the positioning groove 34, otherwise it cannot be installed. It not only plays the role of positioning and limiting, but also plays a fool-proof role and will not be installed incorrectly. The fool-proof design of the positioning block ensures that the product is simple and efficient during installation, prevents wrong installation and reverse installation, is simple and clear, and also ensures the safety of the product during use, which is simple and practical.

[0055] In this embodiment, a buckle end is provided at the bottom of the housing unit, and a guide rail is provided at the bottom of the housing unit. The guide rail is used for sliding connection with the fixing buckle and a positioning groove 34 cooperating with the positioning block is provided on the guide rail.

[0056] In this embodiment, a handle groove 35 is provided at one end of the fixing buckle to facilitate installation and disassembly.

[0057] In this embodiment, the fixing buckles are placed on two sides of the buckle of the housing unit, that is, on two sides of the bottom of the housing unit.

[0058] In this embodiment, the housing unit 1 is provided with a light guide column 6 extending into the inner side of the housing unit 1 , and the light guide column 6 is interference fit with the housing unit 1 .

[0059] The use of light guides can not only save costs but also enhance the appearance of the product.

[0060] In this embodiment, the light guide column extends from the top of the housing unit into the inner side of the housing unit; it is pressed into the top of the housing unit by means of interference fit, so that it is firmly fixed in the housing unit.

[0061] In this embodiment, the electronic unit 2 includes an upper printed circuit board 21 , a lower printed circuit board 22 and a side printed circuit board 23 , and a SMD light 24 is disposed on the upper printed circuit board 21 .

[0062] The use of SMD lamps improves production efficiency, solves the potential risks of plug-in lamps, and reduces costs.

[0063] The assembly of the electronic unit and the shell unit utilizes mechanical features and structural design. The electronic unit is installed and positioned with the shell unit by sliding, and then the electronic unit is fixed in the shell unit through the shell unit. The electronic unit and the shell unit do not need to be fixed by other structures, and the installation is convenient and quick.

[0064] In this embodiment, the SMD lamp is welded on the upper printed circuit board, the terminal modules are welded on the side printed circuit board and the lower printed circuit board respectively, and then the upper printed circuit board, the side printed circuit board and the lower printed circuit board are welded and assembled together in sequence to form a whole for standby use.

[0065] In this embodiment, the electronic unit 2 includes a terminal module 5 for connecting cables, and a limiting groove for limiting the terminal module 5 is provided on the inner side of the housing unit 1 .

[0066] In this embodiment, a guide block 7 is provided in the limiting groove. When connecting the cable, the screw of the terminal module is loosened, and the terminal will slide on the guide block 7, which not only limits the position but also serves as a guide. The cable is inserted and the screw is tightened.

[0067] In this embodiment, a support bar 15 is provided in the housing unit. The support bar 15 is placed on the top of the inner side of the housing to prevent the housing unit from being deformed due to external force pressing on it.

[0068] The installation method of the utility model is:

[0069] First, install the electronic unit: solder the SMD lamp to the upper printed circuit board, solder the terminal module to the side printed circuit board and the lower printed circuit board respectively, and then solder and assemble the upper printed circuit board, the side printed circuit board and the lower printed circuit board in sequence to form a whole for standby use;

[0070] Next, install the housing unit: put the light guide column at the corresponding position on the top of the housing unit, and press it into the housing unit by interference fit, so that it is firmly fixed in the housing unit and ready for use;

[0071] Next, assemble the monitor: put the assembled electronic unit into the first shell / second shell. Through the cooperation of the slide rail groove and the slide rail, the electronic unit slides in smoothly. At the same time, the terminal module also slides into the limiting groove of the first shell / second shell until the side printed circuit board contacts the limiting block, indicating that it is installed in place. The limiting groove will limit and protect the terminal module. Through the cooperation of the positioning column and the positioning hole, install the terminal partition in place; put the fixing buckle into the guide rail. Due to the presence of the positioning block, it can not only play the role of positioning and limiting, but also play a role in preventing fooling. It will be installed incorrectly. The positioning block can only be put into the positioning groove 34, otherwise it cannot be installed. Close the first shell and the second shell, and install it in place through the precise cooperation of the positioning column and the positioning hole. At the same time, the support bar will also support the shell unit to prevent the shell unit from being deformed by pressing it with external force, affecting the appearance and use. Insert the screws and lock the screws on the studs, which is safe, reliable and firm. Install the end cover, and the lead seal wire passes through the lead seal hole 9 on the end cover and the corresponding lead seal hole 9 of the terminal partition in turn. A lead seal is applied, and the entire electronic unit is assembled to the shell unit, and the assembly is completed.

[0072] Finally, the assembly of the entire single-phase power distribution monitor for field application: clamp the buckle end of the shell unit on the guide bar, rotate the shell unit until the shell unit is completely clamped on the guide bar. The fixing buckle has a certain elastic effect due to the presence of the elastic part, so when the shell unit is clamped, the elastic arm of the fixing buckle elastically contracts under the action of external force, and the fixing buckle slides in the guide rail. When the shell unit is completely clamped into the guide bar, the external force is released, and the elastic part rebounds to clamp the guide bar. During the whole process, the positioning block will also slide in the positioning groove 34, playing a role of positioning and limiting, and avoiding the elastic part from deforming too much and failing. When connecting the cable, loosen the screws of the terminal module, the terminal will slide on the guide block, which not only limits the position but also plays a guiding role, insert the cable, and tighten the screws. When you want to remove the monitor, it is also very easy. You only need to gently pull the fixing buckle through the handle slot, the elastic part will shrink, and the shell unit can be removed by rotating it. The entire installation and disassembly is easy and smooth.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled monitoring instrument, comprising an assembled housing unit (1) and an electronic unit (2) disposed in the housing unit (1), characterized in that: The housing unit (1) comprises a first housing (11) and a second housing (12); partitions (16) are provided on both sides of the first housing (11) and the second housing (12); the first housing (11) and the second housing (12) are positioned with axial holes of the partitions (16); the electronic unit (2) is connected to the first housing (11) / the second housing (12) by sliding positioning; and the first housing (11) and the second housing (12) are fixedly connected.

2. The assembled monitoring device according to claim 1, characterized in that: A slide rail (111) is provided on the inner side of the housing unit (1), a slide rail groove (112) that slides along the slide rail (111) is provided on the electronic unit (2), and a limit block (113) that is used for sliding and positioning the electronic unit (2) is provided on the inner side of the housing unit (1).

3. The assembled monitoring device according to claim 1, characterized in that: The partitions (16) on both sides of the housing unit (1) cooperate with the positioning posts (132) on the housing unit (1) through the positioning holes (131) for connection and positioning.

4. The assembled monitoring device according to claim 1, characterized in that: The first shell (11) is provided with a stud (114), and the stud (114) passes through the second shell (12) and is fixedly connected to the first shell (11) and the second shell (12) by means of a screw (115).

5. The assembled monitoring device according to claim 1, characterized in that: The housing unit (1) is provided with a slidable elastic fixing buckle (3), and the fixing buckle (3) is used to connect the housing unit (1) with the guide rail (4).

6. The assembled monitoring device according to claim 5, characterized in that: The fixing buckle (3) comprises an annular member (31) and an elastic member (32); one end of the elastic member (32) is connected to the annular member (31) and the other end is in contact with the housing unit (1).

7. The assembled monitoring device according to claim 6, characterized in that: The housing unit (1) is provided with a guide rail (8), the fixing buckle (3) can slide along the guide rail (8), and the fixing buckle (3) is provided with a positioning block (33) that cooperates with a positioning groove (34) on the guide rail (8).

8. The assembled monitoring device according to claim 1, characterized in that: The housing unit (1) is provided with a light guide column (6) extending into the inner side of the housing unit (1); the light guide column (6) is interference fit with the housing unit (1).

9. The assembled monitoring device according to claim 1, characterized in that: The electronic unit (2) comprises an upper printed board (21), a lower printed board (22) and a side printed board (23), and a patch lamp (24) is provided on the upper printed board (21).

10. The assembled monitoring device according to claim 1, characterized in that: The electronic unit (2) comprises a terminal module (5) for connecting cables, and a limiting groove for limiting the terminal module (5) is provided on the inner side of the housing unit (1).

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