Electricity utilization acquisition equipment

Abstract

The utility model belongs to the technical field of electricity testing equipment, and discloses electricity utilization acquisition equipment, which comprises a shell and a circuit board, the shell is provided with an inner cavity, a first side wall of the inner cavity is provided with at least two slots, the at least two slots are arranged at intervals along a first direction and extend along a second direction, the circuit board is arranged corresponding to the slots, and the circuit board is arranged on the first side wall of the inner cavity. The circuit boards are fixedly inserted into the corresponding slots, and the two adjacent circuit boards and the inner cavity jointly form a first cavity which is used for glue pouring. According to the electricity utilization acquisition equipment provided by the utility model, the circuit board is fast and convenient to install, the circuit board can be prevented from deformation caused by glue shrinkage after glue pouring, and reliable and stable strength of the circuit board is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electricity measuring equipment, especially to a power consumption collection equipment. BACKGROUND

[0002] The power consumption collection equipment is used for collecting voltage, current, power, temperature, residual current and other parameters in the power consumption circuit. Specifically, to avoid the influence of external harsh environment, the inside of the power consumption collection equipment needs to be filled with glue to protect the electronic elements of the key parts in the internal circuit board from environmental humidity, gas corrosion and the like.

[0003] In the related art, after filling the glue in the circuit board inside the power consumption collection equipment, the glue completely covers the circuit board. When the glue shrinks after being filled, the circuit board will be deformed by the force of the glue, which will cause the interface connected to the circuit board to be displaced and deviated, and will also affect the reliability and working stability of the circuit board. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a power consumption collection equipment, which is quick and convenient to install, can avoid the deformation of the circuit board caused by the shrinkage of the glue after being filled, and ensures the reliable and stable strength of the circuit board.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A power consumption collection equipment comprises:

[0007] A shell has an inner cavity, at least two insertion slots are arranged on the first side wall of the inner cavity, the at least two insertion slots are arranged at intervals along a first direction, and the insertion slots are arranged along a second direction;

[0008] A circuit board is arranged correspondingly to the insertion slots, the circuit board is fixedly inserted into the corresponding insertion slots, and two adjacent circuit boards and the inner cavity jointly form a first cavity, and the first cavity is used for filling glue.

[0009] As a preferred, the circuit board close to one side wall of the shell along the first direction and the inner cavity jointly form a second cavity;

[0010] The first cavities that need to be filled with glue are arranged in communication with each other, and one of the first cavities is arranged in communication with the second cavity.

[0011] As a preferred, a communication hole and / or a communication slot are arranged on the circuit board, the communication hole and / or the communication slot are used for communicating the two adjacent first cavities, and the communication hole and / or the communication slot are used for communicating the first cavity and the second cavity.

[0012] As preferably, along the second direction, the two side slot walls opposite to each other of the slot are arranged to approach each other in a direction away from the slot opening.

[0013] As preferably, the second side wall opposite to the first side wall of the inner cavity is provided with at least two slots, and the slots of the first side wall and the slots of the second side wall are arranged in one-to-one correspondence, and the two ends of the circuit board are fixedly inserted into the corresponding two slots.

[0014] As preferably, the two side edges opposite to each other of the circuit board respectively comprise a support part, a transition part and an insertion part arranged in sequence along the second direction, the width of the support part is greater than the width of the insertion part, the support part is smoothly connected with the insertion part through the transition part, and the support part abuts against the slot when the circuit board is inserted into the slot.

[0015] As preferably, all the circuit boards in the inner cavity are fixedly connected through a fixing member.

[0016] As preferably, the fixing member comprises a fixing cylinder and a screw;

[0017] When the number of the circuit boards is two, the two end portions of the fixing cylinder abut against the corresponding circuit boards, and the screw is threadedly connected with the corresponding end of the fixing cylinder and the circuit board;

[0018] When the number of the circuit boards is greater than two, the two end portions of the fixing cylinder abut against the two circuit boards placed at the outermost sides, and the remaining circuit boards are fixedly sleeved on the fixing cylinder, and the screw is threadedly connected with the fixing cylinder and the circuit board placed at the outermost side.

[0019] As preferably, among the two adjacent circuit boards, one is provided with an insertion terminal, and the other is provided with a socket, and the two adjacent circuit boards are electrically connected through the insertion between the insertion terminal and the socket.

[0020] As preferably, the shell comprises a lower shell and an upper shell arranged on the lower shell, and the lower shell and the upper shell jointly form the inner cavity.

[0021] The lower shell is provided with a partition plate, and the partition plate and the inner cavity jointly form a third cavity.

[0022] Advantages:

[0023] The power consumption collecting equipment provided by the utility model, the first side wall of the inner cavity of the shell is provided with a slot for inserting the circuit board, the slot provides reliable installation and positioning for the circuit board, so that the circuit board installation process is fast and convenient. In addition, after the circuit board is inserted into the corresponding slot, the two adjacent circuit boards and the inner cavity jointly form a first cavity. For the first cavity which needs to be filled with glue, the glue filling work can be carried out. During the glue shrinkage process after the glue filling, the circuit board can avoid deformation under the insertion and positioning effect of the slot, so as to ensure the reliability and stability of the circuit board working in the shell.

[0024] In addition, the at least two slots are arranged at intervals along the first direction and extend along the second direction, after the circuit board is inserted into the corresponding slot, the at least two circuit boards are also arranged at intervals along the first direction and extend along the second direction, that is, the at least two circuit boards are arranged in parallel at intervals along the first direction, so that the inner cavity space can be fully and reasonably utilized, as many circuit boards as possible are arranged, and the electrical connecting pieces between the adjacent circuit boards are convenient to arrange. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic view of the power consumption collecting equipment provided by the utility model;

[0026] Figure 2 It is a partial structure schematic view of the power consumption collecting equipment provided by the utility model;

[0027] Figure 3 It is a partial structure top view schematic view of the power consumption collecting equipment provided by the utility model;

[0028] Figure 4 It is a partial structure section view schematic view of the power consumption collecting equipment provided by the utility model;

[0029] Figure 5 It is a partial structure explosion schematic view of the power consumption collecting equipment provided by the utility model;

[0030] Figure 6 It is a lower shell structure schematic view of the power consumption collecting equipment provided by the utility model;

[0031] Figure 7 It is a partial circuit board connection schematic view of the power consumption collecting equipment provided by the utility model;

[0032] Figure 8 It is a schematic view of the circuit board of the power consumption collecting equipment provided by the utility model;

[0033] Figure 9 It is a structure front view of the circuit board of the power consumption collecting equipment provided by the utility model.

[0034] In the drawings:

[0035] 1, shell; 101, lower shell; 1011, plug-in board; 102, upper shell; 11, slot; 12, partition;

[0036] 2, circuit board; 201, communication hole; 202, communication slot; 21, support part; 22, transition part; 23, plug-in part; 24, interface;

[0037] 31, first cavity; 32, second cavity; 33, third cavity;

[0038] 4, fixing member; 41, fixing cylinder; 42, screw;

[0039] 51, plug-in terminal; 52, socket;

[0040] 6, expansion board. DETAILED DESCRIPTION

[0041] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0042] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the direct contact of the first and second features, or the contact of the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0044] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0045] The present embodiment provides a power consumption collection device. Referring to Figures 1 to 9 The power consumption collection device includes a housing 1 and a circuit board 2, the housing 1 has an inner cavity, a first side wall of the inner cavity is provided with at least two slots 11, the at least two slots 11 are arranged in a first direction, and the slots 11 are arranged in a second direction. The circuit board 2 is arranged corresponding to the slot 11, and the circuit board 2 is fixedly inserted into the corresponding slot 11, and the adjacent two circuit boards 2 form a first cavity 31 with the inner cavity, and the first cavity 31 is used for pouring glue.

[0046] In the present embodiment, the first side wall of the inner cavity of the housing 1 is provided with a slot 11 for inserting the circuit board 2, which provides reliable mounting and positioning for the circuit board 2, making the mounting process of the circuit board 2 fast and convenient. In addition, after the circuit board 2 is inserted into the corresponding slot 11, the adjacent two circuit boards 2 form a first cavity 31 with the inner cavity. For part of the first cavity 31 that needs to be poured with glue, the first cavity 31 can be poured with glue. During the glue shrinkage process after pouring glue, the circuit board 2 can avoid deformation under the inserting and positioning action of the slot 11, ensuring the reliability and stability of the circuit board 2 working in the housing 1.

[0047] Optionally, for part of the first cavity 31 that needs to be poured with glue, a glue pouring device can be placed in the first cavity 31 to perform the glue pouring work.

[0048] In addition, the at least two slots 11 are arranged in a first direction and extend in a second direction, and after the circuit board 2 is inserted into the corresponding slot 11, the at least two circuit boards 2 are also arranged in the first direction and extend in the second direction, that is, the at least two circuit boards 2 are arranged in parallel in the first direction. Such arrangement can fully and reasonably utilize the space of the inner cavity, and as many circuit boards 2 as possible can be arranged, and the setting of electrical connectors between adjacent circuit boards 2 is facilitated.

[0049] In the present embodiment, the first direction in the figure can be the length direction of the power consumption collection device, and the second direction can be the height direction of the power consumption collection device.

[0050] Exemplarily, five circuit boards 2 are installed in the embodiment, and the five circuit boards 2 and the inner cavity of the shell 1 enclose four first cavities 31. Specifically, along the first direction from the first end to the second end of the shell 1, the first circuit board 2 is an auxiliary power input and voltage sampling board. The interfaces 24 arranged on the auxiliary power input and voltage sampling board are auxiliary power L interface and N interface, and three-phase voltage input UA interface, UB interface, UC interface and UN interface. The second circuit board 2 is a metering board. The interfaces 24 arranged on the metering board are three-phase current input interface, 2-way residual current input interface, signal interface of a wireless module. Specifically, the three-phase current input adopts 2*4P fast plug terminal; the residual current interface 24 adopts 2P fast plug interface. The third circuit board 2 is a communication interface board. The interfaces 24 of the communication interface board are RJ11 RS485_2 communication interface, switching value input and RS485_1 interface, and Ethernet interface. The fourth circuit board 2 is a temperature relay output circuit board. The interfaces 24 on the temperature relay output circuit board are 4P phoenix terminal interface of 2-way relay output and 4 2P fast plug temperature sampling interfaces. The fifth circuit board 2 is a display board, which is used for metering state and communication state of the device. Exemplarily, the five circuit boards 2 are arranged in parallel with each other.

[0051] In the embodiment, the circuit board 2 close to one side wall of the shell 1 along the first direction and the inner cavity jointly form a second cavity 32. At least two first cavities 31 which need to be filled with glue are arranged in communication with each other, and one of the first cavities 31 is arranged in communication with the second cavity 32. Exemplarily, the second cavity 32 is arranged at one end of the auxiliary power input and voltage sampling board, the first cavities 31 between the second cavity 32, the auxiliary power input and voltage sampling board and the metering board, and the first cavities 31 between the metering board and the communication interface 24 board all need to be filled with glue. Specifically, the second cavity 32 is arranged in communication with the two first cavities 31, so that when the device fills glue in one of the first cavities 31, the glue can flow into the second cavity 32 and the other first cavity 31, thereby realizing filling of all cavities which need to be filled with glue.

[0052] In the embodiment, the circuit board 2 is provided with a communication hole 201 and / or a communication groove 202, which are used for communication between two adjacent first cavities 31 and communication between the first cavity 31 and the second cavity 32. Specifically, the communication hole 201 is arranged in the middle of the circuit board 2, and the communication groove 202 is arranged at the bottom end of the circuit board 2. The arrangement of the communication hole 201 and the communication groove 202 can provide a passage for the glue to flow into the second cavity 32 and all first cavities 31 which need to be filled with glue when filling glue.

[0053] In the embodiment, the two side slot walls of the slot 11 opposite to each other are arranged to approach each other in a direction away from the slot opening of the slot 11 in the second direction. In this way, when the circuit board 2 is inserted, the two side slot walls of the slot 11 opposite to each other can guide the circuit board 2 to be inserted into the corresponding slot 11, so that the circuit board 2 can be inserted into the corresponding slot 11 more quickly and reliably. Specifically, the two side slot walls of the slot 11 opposite to each other can be arranged to tilt towards each other in a direction away from the slot opening of the slot 11.

[0054] In the embodiment, the second side wall opposite to the first side wall of the inner cavity is provided with at least two slots 11, and the slots 11 of the first side wall and the slots 11 of the second side wall are arranged one by one, and the two ends of the circuit board 2 are fixedly inserted into the corresponding two slots 11. Each circuit board 2 is correspondingly inserted into the two slots 11, and the two slots 11 are arranged on the first side wall and the second side wall opposite to each other in the inner cavity. Specifically, the first side wall and the second side wall are arranged at intervals in a third direction. The third direction can be the width direction of the power collection device. In this way, the two opposite sides of the circuit board 2 can be fixed by the slots 11, further enhancing the connection strength of the circuit board 2, and further improving the ability of the circuit board 2 to resist deformation, ensuring the reliability and stability of the circuit board 2 working in the shell 1.

[0055] Specifically, the two opposite side edges of the circuit board 2 respectively include a support portion 21, a transition portion 22 and an insertion portion 23 arranged in sequence in the second direction, the width of the support portion 21 is greater than the width of the insertion portion 23, and the support portion 21 is smoothly connected with the insertion portion 23 through the transition portion 22, and the support portion 21 abuts against the slot 11 when the circuit board 2 is inserted into the slot 11. Specifically, when the circuit board 2 is inserted into the corresponding slot 11 in the second direction, one side of the insertion portion 23 faces the bottom of the inner cavity, the support portion 21 and the slot 11 are arranged in interference fit, and the insertion portion 23 and the slot 11 are arranged in clearance fit. In this way, the support portion 21 at the top of the circuit board 2 can be reliably and stably fixed on the corresponding slot 11, and the insertion portion 23 at the bottom of the circuit board 2 can leave a gap with the slot 11. The existence of the gap can further provide space for the circuit board 2 to release force, and improve the ability of the circuit board 2 to resist deformation. In addition, the support portion 21 and the insertion portion 23 are smoothly connected through the transition portion 22, and the arrangement of the transition portion 22 can avoid obvious stress concentration between the support portion 21 and the insertion portion 23, and ensure the reliability and stability of the circuit board 2 as a whole.

[0056] In the embodiment, all the circuit boards 2 in the inner cavity are fixedly connected through the fixing member 4. The arrangement of the fixing member 4 can ensure that the positions of the at least two circuit boards 2 can be fixed relative to each other, ensure positioning, and improve the overall strength of the device.

[0057] In the embodiment, the fixing member 4 includes a fixing cylinder 41 and a screw 42.

[0058] Exemplarily, when the number of the circuit boards 2 is two, the two end portions of the fixing cylinder 41 abut against the corresponding circuit boards 2, and the screws 42 are screwed into the corresponding ends of the fixing cylinder 41 through the circuit boards 2. Specifically, the two circuit boards 2 are both provided with through holes, and the opposite ends of the fixing cylinder 41 are both provided with threaded holes. The screws 42 are screwed into the threaded holes of the corresponding ends of the fixing cylinder 41 through the through holes, so as to fix the fixing cylinder 41 and the circuit boards 2.

[0059] Exemplarily, when the number of the circuit boards 2 is more than two, the two end portions of the fixing cylinder 41 abut against the two circuit boards 2 located at the outermost sides, and the remaining circuit boards 2 are fixed on the fixing cylinder 41. The screws 42 are screwed into the fixing cylinder 41 through the two circuit boards 2 located at the outermost sides. Specifically, the two circuit boards 2 located at the edges are both provided with first through holes, and the remaining circuit boards 2 except the edges are provided with second through holes. The opposite ends of the fixing cylinder 41 are both provided with threaded holes. The remaining circuit boards 2 except the edges are fixed on the fixing cylinder 41 through the second through holes, and the screws 42 are screwed into the threaded holes of the corresponding ends of the fixing cylinder 41 through the first through holes, so as to fix the fixing cylinder 41 and the circuit boards 2.

[0060] The above structure can realize the pre-positioning of two or more circuit boards 2, and ensure that the relative positions of the plurality of circuit boards 2 are fixed. As long as one circuit board 2 is installed in place between the corresponding slot 11, the positioning of the remaining circuit boards 2 can be ensured, and the convenience and reliability of the installation of the circuit boards 2 are improved.

[0061] In the embodiment, one of the two adjacent circuit boards 2 is provided with the plug-in terminal 51, and the other is provided with the socket 52. The two adjacent circuit boards 2 are electrically connected through the plug-in between the plug-in terminal 51 and the socket 52. The plug-in terminal 51 and the socket 52 can serve as a communication medium between the two adjacent circuit boards 2, and realize reliable electrical communication between the two adjacent circuit boards 2.

[0062] Exemplarily, the inner cavity is further provided with a partition plate 12, and the partition plate 12 and the inner cavity jointly form a third cavity 33. Optionally, an expansion board 6 is detachably plugged into the third cavity 33. Specifically, the third cavity 33 is arranged at one end of the shell 1 away from the second cavity 32 in the first direction. The expansion board 6 is a 4G wireless expansion board 6, which can be plugged in or out relative to the third cavity 33. The signal of the 4G wireless expansion board 6 is electrically connected through a communication line and a metering board. Exemplarily, the expansion board 6 can be a SIM card. Exemplarily, the signal interface of the wireless module on the metering board is connected to the 4G wireless expansion board 6 through the communication line, for providing power supply and signal interaction for the 4G wireless expansion board 6.

[0063] In addition, the partition plate 12 is arranged to form a separate third cavity 33 in the inner cavity, and the third cavity 33 is arranged to be inserted with the expansion plate 6 as required, and when the remaining part of the inner cavity needs to be filled with glue, the third cavity 33 does not need to be filled with glue, and the other glue filling areas can be effectively isolated through the partition plate 12, so as to save the glue filling amount inside the inner cavity.

[0064] In the embodiment, the shell 1 comprises a lower shell 101 and an upper shell 102 arranged on the lower shell 101, and the lower shell 101 and the upper shell 102 jointly form an inner cavity. Specifically, an outer edge of the lower shell 101 is provided with a plug-in plate 1011, and the upper shell 102 is plugged on the lower shell 101 through the plug-in plate 1011. An avoiding hole structure is arranged on the upper shell 102 for the interface 24 of the circuit board 2 to pass through, so that each interface 24 of the plurality of circuit boards 2 can extend out of the upper shell 102 for external wiring terminal plug-in.

[0065] In the embodiment, the bottom of the lower shell 101 can be outwardly protruding according to actual use requirements, further utilizing the space, and more electronic components can be installed under the same size.

[0066] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An electricity collection apparatus, characterized by comprising: The application relates to a shell (1) with an inner cavity, a first side wall of the inner cavity being provided with at least two insertion slots (11), the at least two insertion slots (11) being arranged at intervals along a first direction, and the insertion slots (11) extending along a second direction. A circuit board (2) is arranged corresponding to the insertion slots (11), the circuit board (2) is fixedly inserted into the corresponding insertion slots (11), and two adjacent circuit boards (2) and the inner cavity jointly form a first cavity (31) for glue pouring. The circuit board (2) close to one side wall of the shell (1) along the first direction and the inner cavity jointly form a second cavity (32).

2. The power consumption collection device according to claim 1, wherein The at least two first cavities (31) for glue pouring are arranged in communication with each other, and one of the first cavities (31) is arranged in communication with the second cavity (32). The circuit board (2) is provided with a communication hole (201) and / or a communication slot (202) for communication between two adjacent first cavities (31) and communication between the first cavity (31) and the second cavity (32).

3. The power consumption collecting device according to claim 2, wherein Along the second direction, the two opposite side slot walls of the insertion slot (11) are arranged close to each other in a direction away from the slot opening of the insertion slot (11).

4. The power consumption collection device according to claim 1, wherein The second side wall opposite to the first side wall of the inner cavity is provided with at least two insertion slots (11), and the insertion slots (11) of the first side wall and the insertion slots (11) of the second side wall are arranged in one-to-one correspondence, and the two ends of the circuit board (2) are fixedly inserted into the corresponding two insertion slots (11).

5. The power consumption collection device according to claim 1, wherein The two opposite side edges of the circuit board (2) respectively comprise a supporting portion (21), a transition portion (22) and an insertion portion (23) arranged in sequence along the second direction, the width of the supporting portion (21) is greater than the width of the insertion portion (23), the supporting portion (21) is smoothly and transitionally connected with the insertion portion (23) through the transition portion (22), and the supporting portion (21) abuts against the insertion slot (11) when the circuit board (2) is inserted into the insertion slot (11).

6. The power consumption collection device according to claim 1, wherein All the circuit boards (2) in the inner cavity are fixedly connected through a fixing member (4).

7. The power consumption collection device according to claim 1, wherein The fixing member (4) comprises a fixing cylinder (41) and a screw (42).

8. The power consumption collection device according to claim 7, wherein When the number of the circuit boards (2) is two, the two end portions of the fixing cylinder (41) abut against the corresponding circuit boards (2), and the screw (42) is threadedly connected with the corresponding end of the fixing cylinder (41) penetrating through the circuit board (2). When the number of the circuit boards (2) is greater than two, the two end portions of the fixing cylinder (41) abut against the two circuit boards (2) arranged at the outermost sides, the remaining circuit boards (2) are fixedly sleeved on the fixing cylinder (41), and the screw (42) is threadedly connected with the fixing cylinder (41) penetrating through the circuit board (2) arranged at the outermost side. ​ 9. The power consumption collection device of claim 1, wherein, Among two adjacent circuit boards (2), one is provided with a plug-in terminal (51), and the other is provided with a socket (52), and the two adjacent circuit boards (2) are electrically connected through plug-in between the plug-in terminal (51) and the socket (52).

10. The power consumption collection device of claim 1, wherein, The shell (1) comprises a lower shell (101) and an upper shell (102) arranged on the lower shell (101), and the lower shell (101) and the upper shell (102) jointly form the inner cavity. A partition plate (12) is arranged in the lower shell (101), and the partition plate (12) and the inner cavity jointly form a third cavity (33).

Images