CN212969675U - Communication module and inverter - Google Patents

Abstract

The utility model discloses a communication module and dc-to-ac converter, communication module include casing and a sealed section of thick bamboo, wherein, casing and sealed section of thick bamboo joint, and be provided with the joint structure with sealed section of thick bamboo joint on the tail end face of casing. In the communication module disclosed by the utility model, the shell is clamped with the sealing cylinder, so that the installation and the disassembly are effectively simplified compared with the prior shell and sealing cylinder in threaded fit, thereby facilitating the installation and the disassembly; moreover, be provided with the joint structure with sealed section of thick bamboo joint on the tail end face of casing, then the joint structure need not to occupy the inner space of casing, then printed circuit board need not to process into opposite sex, has reduced printed circuit board's the processing degree of difficulty, has also effectively improved casing inner space's utilization ratio.

Description

Communication module and inverter

Technical Field

The utility model relates to an inverter communication technical field, more specifically say, relate to a communication module and dc-to-ac converter.

Background

The communication module is mainly used for data extraction, storage, information transmission and the like of the inverter, and personnel can use terminal equipment such as a mobile phone or a computer to receive and inquire real-time information transmitted by the communication module so as to know the running condition of the inverter.

The communication module has two types of wireless connection and wired connection. For wired communication modules, the sealing structure of the connection network wire is generally similar to a screw-type waterproof terminal. Specifically, as shown in fig. 1, the communication module includes a housing 02 and a sealing cylinder 01 screw-fitted to the housing 02.

In the above structure, the sealing cylinder 01 is in threaded fit with the housing 02, and in the assembling and disassembling processes, the housing 02 or the sealing cylinder 01 needs to be rotated, which causes inconvenience in assembly and disassembly.

In addition, the printed circuit board 03 is arranged in the shell 02, and a cable connecting port of the printed circuit board 03 needs to be inserted into a part of the shell 02 provided with the external thread, so that the printed circuit board 03 is deformed, and the processing difficulty of the printed circuit board 03 is high; and results in a low utilization of the space inside the housing 02.

In addition, the sealing cylinder 01 is cylindrical, and the shell 02 is non-cylindrical, so that the whole communication module is abrupt in shape and poor in attractiveness.

In addition, the sealing cylinder 01 and the shell 02 are sealed through a sealing ring, the sealing ring is sleeved on the shell 02, sealing is achieved by screwing the sealing cylinder 01, and due to the fact that the assembling force of manual assembly is difficult to quantify, the pressing amount of the sealing ring cannot be guaranteed, and the sealing performance of the communication module is affected.

To sum up, how to design a communication module so as to facilitate installation and disassembly, reduce the processing difficulty of a printed circuit board, and improve the utilization rate of the internal space of a housing is a problem to be solved urgently by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a communication module to in installation and dismantlement and reduce printed circuit board's the processing degree of difficulty, improve casing inner space's utilization ratio. Another object of the present invention is to provide an inverter having the above communication module.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a communication module, includes casing and a sealed section of thick bamboo, wherein, the casing with a sealed section of thick bamboo joint, just be provided with on the tail end face of casing with the joint structure of a sealed section of thick bamboo joint.

Preferably, the clamping structure is a buckle, and a clamping hole matched with the buckle in a clamping mode is formed in the sealing cylinder.

Preferably, the number of the buckles is two, and the buckles are sequentially distributed along the length direction of the tail end face of the shell.

Preferably, the housing and the sealing barrel are matched, and the outer side wall of the sealing barrel for connecting with the housing is coplanar with the outer side wall of the housing.

Preferably, the printed circuit board in the housing has a cable connection port on a rear face of the housing, the sealing cylinder being capable of passing the cable therethrough.

Preferably, the housing is provided with a sealing ring positioned at the periphery of the cable connection port, and the sealing cylinder is connected with the housing in a sealing manner through the sealing ring.

Preferably, a limit groove capable of limiting the sealing ring is arranged on the tail end face of the shell.

Preferably, the stopper groove includes: the inner plate is arranged on the periphery of the cable connecting port, and the outer plate is arranged on the outer side of the inner plate; wherein the seal ring is located between the inner plate and the outer plate.

Preferably, the sealing cylinder comprises a connecting outer cylinder and a sealing inner cylinder which are sleeved; the connection outer barrel is connected with the shell in a clamped mode, and the sealing inner barrel is connected with the shell in a sealing mode through the sealing ring.

Preferably, the connection outer cylinder is provided with a drain hole, and the drain hole is positioned at the bottom side of the clamping joint of the shell and the connection outer cylinder.

Preferably, the communication module further comprises a cable fixing assembly capable of allowing the cable to pass through and fixing the cable, and the cable fixing assembly is fixedly connected with the sealing barrel.

Preferably, the cable fixing assembly includes: the rubber plug, the clamping claw and the fixing cover can be used for the cable to pass through;

wherein, sealed cylinder is kept away from the tail end of casing with fixed lid fixed connection, sealed cylinder's tail end face is provided with and holds the holding tank of pressing from both sides tight claw, it can press from both sides tight to press from both sides tight claw the rubber buffer so that the rubber buffer presss from both sides tightly the cable, fixed lid overcoat in press from both sides tight claw, the rubber buffer with press from both sides tight claw and pass through fixed lid with sealed cylinder's fixed connection is compressed tightly on the sealed cylinder.

Preferably, the fixed cover is in threaded fit with the sealing cylinder;

the rubber buffer is provided with: a through hole through which the cable passes, and an opening communicating with the through hole; wherein the opening extends to an outer side wall of the rubber stopper.

Preferably, the cable fixing assembly has a channel through which the cable can pass, and the communication module further includes a blocking member capable of blocking the channel at a rear end of the channel.

Based on the communication module that above-mentioned provided, the utility model also provides an inverter, this inverter include communication module, communication module is above-mentioned arbitrary communication module.

In the communication module provided by the utility model, the shell is clamped with the sealing cylinder, so that the installation and the disassembly are effectively simplified compared with the prior shell and sealing cylinder which are matched by screw threads, thereby facilitating the installation and the disassembly; moreover, be provided with the joint structure with sealed section of thick bamboo joint on the tail end face of casing, then the joint structure need not to occupy the inner space of casing, then printed circuit board need not to process into opposite sex, has reduced printed circuit board's the processing degree of difficulty, has also effectively improved casing inner space's utilization ratio.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a communication module provided in the prior art;

fig. 2 is a schematic structural diagram of a communication module according to an embodiment of the present invention during wired connection;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a partial cross-sectional view of FIG. 2;

fig. 5 is an installation schematic of the telecommunications module shown in fig. 2;

fig. 6 is a schematic structural diagram of the communication module according to the embodiment of the present invention during wireless connection;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a partial cross-sectional view of FIG. 6;

fig. 9 is a cross-sectional view of a communication module provided by an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a housing and a sealing cylinder in a communication module according to an embodiment of the present invention;

FIG. 11 is an exploded view of the structure shown in FIG. 10;

FIG. 12 is a partial cross-sectional view of the structure shown in FIG. 10;

fig. 13 is a schematic structural diagram of a housing in a communication module according to an embodiment of the present invention;

fig. 14 is an exploded view of a housing in a communication module according to an embodiment of the present invention;

fig. 15 is a front view of a sealing cartridge in a communication module according to an embodiment of the present invention;

fig. 16 is a side view of a sealing sleeve in a communication module according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2-16, the embodiment of the present invention provides a communication module, including casing 1 and a sealing barrel 2, wherein, casing 1 and sealing barrel 2 joint, and be provided with the joint structure with sealing barrel 2 joint on the tail end face of casing 1.

Among the above-mentioned communication module, because the joint structure is located the tail end face of casing 1, then the joint structure can not occupy casing 1's inner space for casing 1's inner space is regular shape in tail end department, and the printed circuit board 9 that is located casing 1 this moment can normally process, and for example printed circuit board 9 is the rectangle, as shown in fig. 9, need not to process into opposite sex.

In the communication module provided by the embodiment, the shell 1 is clamped with the sealing cylinder 2, so that compared with the prior art that the shell is in threaded fit with the sealing cylinder, the installation and the disassembly are effectively simplified, and the installation and the disassembly are convenient; moreover, be provided with the joint structure with 2 joints of a sealed section of thick bamboo on casing 1's the tail end face, then the joint structure need not to occupy casing 1's inner space, and then printed circuit board 9 that is located casing 1 need not to process into opposite sex, has simplified printed circuit board 9's structure, has reduced printed circuit board 9's the processing degree of difficulty, has also effectively improved casing 1 inner space's utilization ratio.

The specific structure of the clamping connection of the shell 1 and the sealing cylinder 2 is selected according to actual needs. Preferably, the clamping structure is a buckle 11, and a clamping hole 21 which is in clamping fit with the buckle 11 is formed in the sealing cylinder 2.

Of course, the buckle 11 may be disposed on the sealing cylinder 2 and the buckle hole 21 may be disposed on the housing 1, which is not limited to the above embodiment.

The end surface of the housing 1 is an end surface of the end where the housing 1 and the seal cylinder 2 are connected. Generally, the rear end surface of the case 1 is in a waist shape, which means a shape of a waist-shaped hole. In order to avoid increasing the volume of the whole communication module, the two buckles 11 are sequentially distributed along the length direction of the tail end face of the housing 1.

It can be understood that the above-mentioned card holes 21 correspond one-to-one to the cards 11. If the fastening holes 21 are formed in the housing 1, the two fastening holes 21 are sequentially formed along the length direction of the rear end surface of the housing 1.

Of course, one or more than three of the buckles 11 may be selected, and the invention is not limited to the above limitation.

The shell 1 and the sealing cylinder 2 can be sleeved and matched or can be directly butted and matched. For the convenience of installation, it is preferable that the housing 1 and the sealing cylinder 2 are sleeved and matched, for example, the sealing cylinder 2 is sleeved outside the housing 1 or the sealing cylinder 2 is sleeved inside the housing 1. In order to avoid occupying the inner space of the housing 1, the sealing cylinder 2 is preferably sheathed on the housing 1.

Further, the outer side wall of the sealing cylinder 2 for connecting with the housing 1 is coplanar with the outer side wall of the housing 1. Therefore, the appearance of one end, connected with the shell 1, of the sealing cylinder 2 is consistent with that of the shell 1, the whole communication module is uniform in shape, and the attractiveness of the whole communication module is improved.

The communication module may be a wired connection type, and specifically, the printed circuit board 9 in the housing 1 has a cable connection port 91, the cable connection port 91 is located on a rear end face of the housing 1, and the sealing cylinder 2 can be penetrated by the cable 4.

The cable connector 91 is used for connecting with a cable, and the sealing performance of the cable connector 91 needs to be ensured to prevent water from entering the cable connector 91. For sealing, the housing 1 is provided with a sealing ring 7 at the periphery of the cable connection port 91, and the sealing cylinder 2 is connected with the housing 1 in a sealing manner through the sealing ring 7.

In the communication module, the sealing ring 7 is arranged on the tail end face of the shell 1, and the shell 1 is clamped with the sealing cylinder 2, so that the sealing ring 7 is tightly pressed between the shell 1 and the sealing cylinder 2 in the process of clamping the shell 1 and the sealing cylinder 2, and the compression amount of the sealing ring 7 can be controlled by adjusting the clamping structure of the shell 1 and the sealing cylinder 2, namely, the sealing ring 7 adopts a plane vertical pressing mode, the compression amount of the sealing ring 7 is controllable, and the sealing performance and the sealing stability are improved; moreover, the service life of the sealing ring 7 is prolonged under the condition of repeated disassembly.

It will be appreciated that the above-mentioned sealing ring 7 is located on the rear end face of the housing 1.

In the mounting process, in order to avoid the influence of the movement of the seal ring 7 on the sealing performance, a limit groove capable of limiting the seal ring 7 is arranged on the tail end surface of the shell 1.

The shape and size of the limiting groove are designed according to the sealing ring 7, and the shape and size are not limited in the embodiment.

Specifically, as shown in fig. 13 and 14, the stopper groove includes: an inner plate 13 disposed on the periphery of the cable connection port 91, and an outer plate 12 disposed outside the inner plate 13; wherein the sealing ring 7 is located between the inner plate 13 and the outer plate 12.

It can be understood that the inner plate 13 and the outer plate 12 protrude from the outer end surface of the housing 1, so that the inner space of the housing 1 is prevented from being occupied; moreover, the outer plate 12 also has a rainwater blocking effect, so that rainwater can be prevented from directly impacting the sealing ring 7 in the using process, and the waterproof performance is improved.

Preferably, the inner plate 13 is annular to improve the position limiting effect.

The tail end surface of the shell 1 is in a waist shape, and the waist shape is a shape of a waist-shaped hole. In order to avoid increasing the volume of the whole communication module, the outer plate 12 includes two side plates respectively located at two sides of the inner plate 13, and the two side plates are sequentially distributed along the length direction of the tail end face of the housing 1. Further, the side plates are provided with drainage surfaces which can guide rainwater to slide to the periphery of the sealing ring 7.

Of course, the outer plate 12 may be selected to have a ring shape, and is not limited to the above embodiment.

In practical applications, the limiting groove may be formed by directly forming a groove on the outer end surface of the housing 1, and is not limited to the above embodiment.

In order to ensure clamping and sealing, the sealing cylinder 2 comprises a connecting outer cylinder 23 and a sealing inner cylinder 24 which are sleeved; the connecting outer cylinder 23 is clamped with the shell 1, and the sealing inner cylinder 24 is connected with the shell 1 in a sealing mode through the sealing ring 7. It will be appreciated that the outer coupling cylinder 23 is sheathed on the inner sealing cylinder 24.

Specifically, the tail end of the connecting outer cylinder 23 is connected to the tail end of the sealing inner cylinder 24, and a gap is provided between the head end of the connecting outer cylinder 23 and the head end of the sealing inner cylinder 24. The tail end of the connecting outer cylinder 23 is the end of the connecting outer cylinder 23 far away from the shell 1, and the head end of the connecting outer cylinder 23 is the end of the connecting outer cylinder 23 close to the shell 1; the tail end of the sealing inner cylinder 24 is the end of the sealing inner cylinder 24 far away from the shell 1, and the head end of the sealing inner cylinder 24 is the end of the sealing inner cylinder 24 close to the shell 1.

In the above communication module, because the sealing inner cylinder 24 is connected with the housing 1 in a sealing manner, and the connecting outer cylinder 23 is connected with the housing 1 in a clamping manner, water is easy to enter the non-sealing cavity a formed by the sealing inner cylinder 24, the sealing outer cylinder 23 and the tail end face of the housing 1 at the clamping position, and in order to prevent accumulated water in the non-sealing cavity a from corroding the communication module and influencing the service life of the whole communication module, the water in the non-sealing cavity a needs to be discharged. Specifically, the above-mentioned connecting outer cylinder 23 is provided with a water discharge hole 231 as shown in fig. 12.

Since the housing 1 is located at the top and the sealing cylinder 2 is located at the bottom during the actual use, the drainage hole 231 is located at the bottom side of the joint between the housing 1 and the connecting outer cylinder 23 to drain the water in the non-sealing chamber a. Further, the drain hole 231 is located at the bottom of the connection outer cylinder 23.

When the communication module is of a wired connection type, in order to fix the cable 4, the communication module further includes a cable fixing assembly through which the cable 4 can pass and fix the cable 4, and the cable fixing assembly is fixedly connected to the sealing cylinder 2. It can be understood that the cable fixing assembly is located at one end of the sealing cylinder 2 far away from the housing 1, i.e. the housing 1 is located at the top end of the sealing cylinder 2, and the cable fixing assembly is located at the bottom end of the sealing cylinder 2.

The specific structure of the cable fixing component is selected according to actual needs. Preferably, the cable fixing assembly includes: a rubber plug 6, a clamping claw 5 and a fixed cover 3 which can be penetrated by the cable 4; wherein, the tail end and the fixed 3 fixed connection of lid of casing 1 are kept away from to sealed 2, and the tail end face of sealed 2 is provided with the holding tank that holds clamping jaw 5, and clamping jaw 5 can press from both sides tight rubber buffer 6 so that rubber buffer 6 presss from both sides tight cable 4, and 3 overcoat of fixed lid are in clamping jaw 5, and above-mentioned rubber buffer 6 is compressed tightly on sealed 2 with clamping jaw 5 through the fixed connection of fixed 3 and sealed 2 of lid.

In the above-mentioned structure, rubber buffer 6 has also realized sealed connection cable 4 and fixed lid 3 and sealed connection cable 4 and sealed section of thick bamboo 2, has improved sealing performance.

The fixing cover 3 is fixedly connected with the sealing cylinder 2, and for convenience of installation and disassembly, the fixing cover 3 is preferably detachably and fixedly connected with the sealing cylinder 2. For example, the fixing cap 3 is screwed with the sealing cylinder 2, or the fixing cap 3 is clamped with the sealing cylinder 2.

In order to facilitate the installation of the cable 4, the rubber stopper 6 is provided with: a through hole through which the cable 4 passes, and an opening communicating with the through hole; wherein the opening extends to the outer side wall of the rubber plug 6.

The communication module is a wired connection type, and in order to improve the versatility, the communication module may be a wireless connection type, and at this time, the cable 4 does not need to be connected, and therefore, a passage through which the cable 4 passes needs to be blocked. Specifically, the cable fixing assembly has a channel through which the cable 4 can pass, and the communication module further includes a blocking member 8 capable of blocking the channel at a rear end of the channel.

It will be appreciated that the end of the passage is the end of the passage remote from the housing 1. The plugging piece 8 is arranged at the tail end of the channel, so that plugging is facilitated. When above-mentioned fixed subassembly of cable includes rubber buffer 6, clamping jaw 5 and fixed lid 3, the through-hole that supplies cable 4 to pass on the fixed lid 3 of above-mentioned shutoff piece 8 shutoff.

The above-mentioned shutoff piece 8 detachably shutoff above-mentioned passageway, be convenient for change communication module's type.

The type of the plugging member 8 is selected according to actual needs, for example, the plugging member 8 is a rubber plug, which is not limited in this embodiment.

In the communication module, the sealing cylinder 2 has the connecting cylinder section 22 connected with the fixed cover 3, the connecting outer cylinder 23 and the sealing inner cylinder 24 are both fixedly connected with the connecting cylinder section 22, and further, the connecting cylinder section 22, the connecting outer cylinder 23 and the sealing inner cylinder 24 are of an integrated structure.

The communication module is compatible with wired connection and wireless connection, specifically, when the wired connection is used, a cable 4 needs to sequentially pass through the fixed cover 3, the clamping claw 5 and the sealing cylinder 2, then the cable connection port 91 is inserted, the rubber plug 6 is clamped into the cable 4 between the fixed cover 3 and the clamping claw 5, and then the sealing cylinder 2, the clamping claw 5, the rubber plug 6 and the fixed cover 3 are sequentially installed on the housing 1, as shown in fig. 2-4; when the wireless connection is used, the through hole of the fixing cover 3 can be sealed by using the plugging piece 8 to perform the integral sealing, as shown in fig. 6-8.

Based on the communication module provided in the foregoing embodiment, the present embodiment further provides an inverter, where the inverter includes a communication module, and the communication module is the communication module described in the foregoing embodiment.

Since the communication module provided by the above embodiment has the above technical effects, the inverter includes the above communication module, and the inverter also has corresponding technical effects, which are not described herein again.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (15)

1. The utility model provides a communication module, its characterized in that includes casing (1) and a sealed section of thick bamboo (2), wherein, casing (1) with a sealed section of thick bamboo (2) joint, just be provided with on the tail end face of casing (1) with the joint structure of a sealed section of thick bamboo (2) joint.

2. The communication module according to claim 1, wherein the clamping structure is a buckle (11), and the sealing cylinder (2) is provided with a clamping hole (21) which is in clamping fit with the buckle (11).

3. The communication module according to claim 2, wherein the number of the snap-in hooks (11) is two and is distributed in sequence along the length direction of the rear end face of the housing (1).

4. The communication module according to claim 1, wherein the housing (1) and the sealing cylinder (2) are in sleeved engagement, and an outer side wall of the sealing cylinder (2) for connection with the housing (1) is coplanar with an outer side wall of the housing (1).

5. Telecommunications module according to any of claims 1 to 4, characterized in that the printed circuit board (9) in the housing (1) has a cable connection opening (91), which cable connection opening (91) is located on the rear face of the housing (1), the sealing cylinder (2) being able to be penetrated by the cable (4).

6. The communication module according to claim 5, wherein the housing (1) is provided with a sealing ring (7) at the periphery of the cable connection port (91), and the sealing cylinder (2) is connected with the housing (1) in a sealing manner through the sealing ring (7).

7. A telecommunications module according to claim 6, characterized in that the rear end face of the housing (1) is provided with a retaining groove capable of retaining the sealing ring (7).

8. The communication module of claim 7, wherein the retaining groove comprises: an inner plate (13) arranged on the periphery of the cable connecting port (91), and an outer plate (12) arranged on the outer side of the inner plate (13); wherein the sealing ring (7) is located between the inner plate (13) and the outer plate (12).

9. The communication module according to claim 6, wherein the sealing cylinder (2) comprises a sleeved connection outer cylinder (23) and a sealing inner cylinder (24); connect urceolus (23) with casing (1) joint, sealed inner tube (24) pass through sealing washer (7) with casing (1) sealing connection.

10. The communication module according to claim 9, wherein the connection outer cylinder (23) is provided with a drainage hole (231), and the drainage hole (231) is located at the bottom side where the housing (1) and the connection outer cylinder (23) are clamped.

11. The telecommunications module according to claim 5, further comprising a cable fixing assembly through which the cable (4) can be passed and which fixes the cable (4), the cable fixing assembly being fixedly connected to the sealing cylinder (2).

12. The telecommunications module of claim 11, wherein the cable securing assembly includes: a rubber plug (6), a clamping claw (5) and a fixed cover (3) which can be penetrated by the cable (4);

wherein, sealed section of thick bamboo (2) are kept away from the tail end of casing (1) with fixed lid (3) fixed connection, the tail end face of sealed section of thick bamboo (2) is provided with and holds the holding tank of tight claw (5), it can press from both sides tight claw (5) the rubber buffer (6) so that rubber buffer (6) press from both sides tightly cable (4), fixed lid (3) overcoat in press from both sides tight claw (5), rubber buffer (6) with press from both sides tight claw (5) and pass through fixed lid (3) with the fixed connection of a sealed section of thick bamboo (2) is compressed tightly on sealed section of thick bamboo (2).

13. The communication module of claim 12,

the fixed cover (3) is in threaded fit with the sealing cylinder (2);

the rubber buffer (6) is provided with: a through hole through which the cable (4) passes, and an opening communicating with the through hole; wherein the opening extends to the outer side wall of the rubber plug (6).

14. The telecommunications module according to claim 11, wherein the cable fixing assembly has a passage through which the cable (4) can pass, the telecommunications module further comprising a closure (8) capable of closing off the passage at a rear end of the passage.

15. An inverter comprising a communication module, characterized in that the communication module is according to any of claims 1-14.

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