A power monitoring device

Abstract

The electric power monitoring device of the present invention has a plurality of tube bodies on the inner surface of the first shell, and a lead seal buckle is provided on the outer side of the top of the first shell; a slot for fixing and positioning the second circuit board is provided on the top of the inner side of the second shell, a guide groove for installing a protective cover is provided on the outer surface of the second shell, and a plurality of through holes corresponding to the tube bodies are provided on the outer surface of the second shell; a lead seal ring is provided on the top of the protective cover, and a guide rib is provided on the inner side of the protective cover; the first and second circuit boards are electrically connected through a connector, the first and second circuit boards are relatively vertical, the mutual inductor coil is installed on the first circuit board, the mutual inductor coil is electrically connected to the first circuit board, the first circuit board is provided with through holes corresponding to the tube bodies one by one, the through holes of the first circuit board and the mutual inductor coil are sequentially sleeved on the corresponding tube bodies, the first circuit board is installed on the inner surface of the first shell, the second circuit board is installed on the inner side of the first shell, the second and first shells are fixedly connected, the guide rib is inserted into the guide groove, and the lead seal ring and the lead seal buckle are buckled.

Description

Technical Field

[0001] The present invention relates to the technical field of power monitoring, and in particular to a power monitoring device. Background Art

[0002] In recent years, my country has implemented energy conservation and consumption reduction as a major national policy, and the acquisition of power data is the main source of energy data analysis. In order to achieve refined energy management and reduce costs and increase efficiency for enterprises, it is necessary to realize real-time monitoring of power data for each power supply circuit or equipment. Due to reasons such as size and cost, the existing monitoring solutions generally only monitor the main power supply circuit, but cannot realize the monitoring of each power supply branch. Summary of the invention

[0003] The present invention aims at solving the problems and shortcomings of the prior art and provides a novel power monitoring device.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] The present invention provides an electric power monitoring device, which is characterized in that it includes a first housing, a second housing, a protective cover, a plurality of mutual inductor coils, a first circuit board and a second circuit board;

[0006] The inner surface of the first shell is provided with a plurality of tubes arranged in a line, and the outer side of the top of the first shell is provided with a lead seal buckle;

[0007] A slot for fixing and positioning the second circuit board is provided on the inner top of the second housing, a guide slot for installing a protective cover is provided on the outer surface of the second housing, and a plurality of through holes corresponding to the tube bodies are provided on the outer surface of the second housing for passing cables;

[0008] A lead sealing ring matched with the lead sealing buckle is provided on the top of the protective cover, and a guide rib matched with the guide groove is provided on the inner side of the protective cover;

[0009] The first circuit board and the second circuit board are electrically connected through a connector. The first circuit board and the second circuit board are installed vertically relative to each other. The mutual inductor coil is installed on the first circuit board. The mutual inductor coil and the first circuit board are electrically connected through a connecting line. The first circuit board is provided with through holes corresponding to the tube body one by one. The through holes of the first circuit board and the mutual inductor coil are sequentially sleeved on the corresponding tube body. The first circuit board is installed on the inner surface of the first shell, and the second circuit board is installed on the inner side of the first shell. The second shell and the first shell are fixedly connected, the guide rib is inserted into the guide groove, the lead sealing ring is sleeved on the lead sealing buckle, and the lead sealing ring and the lead sealing buckle are buckled.

[0010] Preferably, the outer ring of the tube body is provided with supporting ribs for supporting the transformer coil along the circumferential direction.

[0011] Preferably, guide ribs for guiding the installed second circuit board are arranged on the top of the inner wall and the upper parts of the left and right sides of the inner wall of the first shell.

[0012] Preferably, four supporting ribs for supporting the first circuit board are provided at the bottom of the inner wall of the first shell.

[0013] Preferably, four buckles are provided at the opening of the inner wall of the first shell, and four buckle grooves corresponding to the buckles are opened on the side of the second shell, and the buckles are buckled with the corresponding buckle grooves.

[0014] Preferably, a support column for supporting the first circuit board is provided at the inner bottom of the second housing.

[0015] Preferably, a cable tie buckle is provided on the outer side surface of the second shell and between two adjacent through holes.

[0016] Preferably, the second circuit board is provided with two identical multi-position sockets and a micro USB interface.

[0017] Preferably, the sealing ring is sleeved on the sealing buckle to form a sealing structure, and the sealing process can be implemented.

[0018] Preferably, the lead seal structure is at a certain distance from the assembly point of the first shell and the second shell to increase the static discharge distance inside and outside the power monitoring device.

[0019] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0020] The positive and progressive effects of the present invention are:

[0021] The power monitoring device of the present invention is used to monitor the power parameters at the miniature circuit breaker end. It is small in size and has the same width as a three-phase miniature circuit breaker. It can be used in a control terminal where multiple miniature circuit breakers are densely arranged. It can be used normally even if multiple miniature circuit breakers are closely arranged at zero distance. When multiple power monitoring modules are arranged, the multi-sockets on both sides of the front are connected in series through connecting wires with corresponding plugs. There is no need to use tools for wiring, which saves a lot of wiring workload and layout space. The micro USB interface in the middle of the front can realize online programming, which is convenient and fast. After the wiring is completed, the protective cover can be used to cover the connecting wire end and the micro The protective cover increases the static discharge distance inside and outside the power monitoring device. The first circuit board is installed at the bottom of the first shell, and the assembly gap between the first shell and the second shell also has sufficient static discharge distance to improve safety. At this time, the first shell and the second shell are blocked by the protective cover and cannot be disassembled, thus realizing the shell anti-disassembly lead sealing function. The power monitoring module can be fixed on the cable by the front cable tie buckle using fixing tools such as cable ties. The fixing parts are easy to obtain and low in cost, and are easy to operate during use.

[0022] The present invention takes both volume and cost into consideration, can realize the monitoring of power parameters at the miniature circuit breaker end, simplifies installation, reduces wiring workload, and the width dimension of the power monitoring device is the same as that of the miniature circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 (a)-(b) is a schematic diagram of the first shell structure;

[0024] Figure 2 (a)-(b) is a schematic diagram of the second shell structure;

[0025] Figure 3 It is a schematic diagram of the protective cover structure;

[0026] Figure 4 It is a schematic diagram of an implementation scheme of the present invention;

[0027] Figure 5 (a)-(e) are schematic diagrams of the assembly process of an embodiment of the present invention;

[0028] Figure 6 This is the front view of the power monitoring device after installation;

[0029] Figure 7(a) shows Figure 6 AA cross-sectional view and schematic diagram of the installation position of the first circuit board;

[0030] Figure 7(b) shows Figure 6 The middle AA section view and the schematic diagram of the protective cover increasing the static discharge distance;

[0031] Figure 8 (a)-(c) is a schematic diagram of the wiring process of the power monitoring device;

[0032] Fig. 9 A schematic diagram of a series expansion of multiple miniature circuit breakers according to an embodiment of the present invention;

[0033] Fig.10 This is a partial enlarged schematic diagram of the lead sealing process;

[0034] Fig.11 This is a schematic diagram of the power monitoring device being fixed to the cable. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] As shown in Figure 1(a)-(b), the inner surface of the first shell 1 is provided with three tube bodies 1a for housing the mutual inductor coil 4 arranged in a straight line, the outer circle of the tube body 1a is provided with supporting ribs 1b for supporting the mutual inductor coil 4 along the circumferential direction, the upper side of the inner wall of the first shell 1 is provided with guide ribs 1c, the inner wall of the first shell 1 is provided with guide ribs 1d on both sides for installing the second circuit board 6, the bottom of the inner wall of the first shell 1 is provided with supporting ribs 1e for supporting the first circuit board 5, the inner wall opening of the first shell 1 is provided with four buckles 1f for matching and fixing with the second shell 2, and the top outer side of the first shell 1 is provided with a lead seal buckle 1g.

[0037] As shown in Figures 2(a)-(b), a support column 2a is provided at the inner bottom of the second shell 2 for supporting the first circuit board 5, a slot 2b is provided at the inner top of the second shell 2 for fixing and positioning the second circuit board 6, a guide groove 2c is provided on the outer side of the second shell 2 for installing the protective cover 3, three through-holes are provided on the outer surface of the second shell 2 for passing cables, a cable tie buckle 2d is provided on the outer surface of the second shell 2 and between two adjacent through-holes, and a fixing tool such as a cable tie can be used to fix the power monitoring device on the cable, and four buckle grooves 2e are provided on the side of the second shell 2 for cooperating and fixing with the first shell 1.

[0038] like Figure 3 As shown, a lead sealing ring 3a is provided on the top of the protective cover 3, and the lead sealing ring 3a is sleeved on the lead sealing buckle 1g above the first shell 1 and the lead sealing ring 3a is buckled with the lead sealing buckle 1g. A guide rib 3b is provided on the inner side of the protective cover 3 to cooperate with the guide groove 2c of the second shell 2.

[0039] like Figure 4As shown, the parts of the embodiment of the present invention are composed of a first shell 1, a second shell 2, a protective cover 3, a mutual inductor coil 4, a first circuit board 5 and a second circuit board 6.

[0040] like Figure 5a As shown, the first circuit board 5 and the second circuit board 6 are electrically connected through a connector such as a pin, the first circuit board 5 and the second circuit board 6 are relatively vertically installed, the mutual inductor coil 4 is installed toward the first circuit board 5, and the mutual inductor coil 4 and the first circuit board 5 are electrically connected through a connecting wire; Figure 5b As shown, the mutual inductor coil 4 together with the first circuit board 5 and the second circuit board 6 are installed into the first housing 1; Figure 5c As shown, the first circuit board 5 is provided with perforations corresponding to the tube body 1a one by one, the perforations of the first circuit board 5 and the mutual inductor coil 4 are sequentially sleeved on the corresponding tube body 1a, the first circuit board 5 is installed on the inner surface of the first shell 1, the second circuit board 6 is installed on the inner side of the first shell 1, the second shell 2 is installed to the first shell 1, and the main body of the power monitoring device is assembled; Figure 5d As shown, the protective cover 3 is installed toward the main body of the power monitoring device in the direction shown in the figure, and a guide rib 3b is provided on the inner side of the protective cover 3 to be inserted into the guide groove 2c of the second shell 2. A lead sealing ring 3a is provided above the protective cover 3 to be sleeved on the lead sealing buckle 1g of the first shell 1 after the protective cover 3 is installed in place. After the protective cover 3 is lead sealed, the lead sealing ring 3a is sleeved on the lead sealing buckle 1g and is completely fixed so that the protective cover 3 cannot move in any direction, and the disassembly path of the second shell 2 is blocked, so that the first shell 1 and the second shell 2 cannot be disassembled, thereby realizing the shell anti-disassembly lead sealing function, such as Figure 5e , combined with Figure 2, Figure 3 .

[0041] like Figure 6 The figure shows the front view of the power monitoring device after installation. At this time, the protective cover covers the micro USB interface 6b. Figure 7a As shown, the first circuit board 5 is installed at the bottom of the first housing 1, and the assembly gap between the first housing 1 and the second housing 2 has a sufficient static discharge distance a to improve safety. Figure 7b As shown, the protective cover 3 increases the static discharge distance b inside and outside the power monitoring module.

[0042] like Figure 8a As shown, the protective cover 3 is in an unmounted state before wiring. At this time, one end of the connecting wires 101 and 102 is respectively inserted into the multi-position sockets 6a on both sides of the second circuit board 6, as shown in FIG. Figure 8b After the connection is completed, install the protective cover 3. The completed status is as follows Figure 8c At this time, the other ends c and d of the connecting lines 101 and 102 can continue to be connected to other power monitoring devices, such as Fig. 9 .

[0043] like Fig.10 As shown, combined Figure 6 The power monitoring device can be sealed with a sealing material 103 through the sealing ring 3a of the protective cover 3 and the sealing buckle 1g above the first shell 1 to prevent plugging and unplugging of connecting wires and changing of programs.

[0044] like Fig.11 As shown, the power monitoring device can be fixed to the cable using a fixing tool such as a cable tie 104 through the cable tie buckle 2d on the front. The fixing part is easy to obtain and has low cost, and is easy to operate during use.

[0045] Although the specific embodiments of the present invention are described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A power monitoring device, characterized in that: It includes a first housing, a second housing, a protective cover, a plurality of mutual inductor coils, a first circuit board and a second circuit board; The inner surface of the first shell is provided with a plurality of tubes arranged in a line, and the outer side of the top of the first shell is provided with a lead seal buckle; A slot for fixing and positioning the second circuit board is provided on the inner top of the second housing, a guide slot for installing a protective cover is provided on the outer surface of the second housing, and a plurality of through holes corresponding to the tube bodies are provided on the outer surface of the second housing for passing cables; A lead sealing ring matched with the lead sealing buckle is provided on the top of the protective cover, and a guide rib matched with the guide groove is provided on the inner side of the protective cover; The first circuit board and the second circuit board are electrically connected through a connector, the first circuit board and the second circuit board are relatively vertically installed, the mutual inductor coil is installed on the first circuit board, the mutual inductor coil and the first circuit board are electrically connected through a connecting line, the first circuit board is provided with perforations corresponding to the tube body one by one, the perforations of the first circuit board and the mutual inductor coil are sequentially sleeved on the corresponding tube body, the first circuit board is installed on the inner surface of the first shell, the second circuit board is installed on the inner side of the first shell, the second shell and the first shell are fixedly connected, the guide rib is inserted into the guide groove, the lead sealing ring is sleeved on the lead sealing buckle, and the lead sealing ring and the lead sealing buckle are buckled; The lead sealing ring is put behind the lead sealing buckle to form a lead sealing structure, and the lead sealing process can be implemented; The lead seal structure is at a certain distance from the assembly position of the first shell and the second shell to increase the static discharge distance inside and outside the power monitoring device.

2. The power monitoring device according to claim 1, characterized in that: The outer ring of the tube body is provided with supporting ribs for supporting the mutual inductor coil along the circumferential direction.

3. The power monitoring device according to claim 1, characterized in that: The top of the inner wall of the first shell and the upper parts of the left and right sides of the inner wall are both provided with guide ribs for guiding the installed second circuit board.

4. The power monitoring device according to claim 1, characterized in that: Four supporting ribs for supporting the first circuit board are arranged at the bottom of the inner wall of the first shell.

5. The power monitoring device according to claim 1, characterized in that: Four buckles are arranged at the opening of the inner wall of the first shell, and four buckle grooves corresponding to the buckles are opened on the side of the second shell, and the buckles are buckled with the corresponding buckle grooves.

6. The power monitoring device according to claim 1, characterized in that: A supporting column for supporting the first circuit board is provided at the inner bottom of the second housing.

7. The power monitoring device according to claim 1, characterized in that: A cable tie buckle is provided on the outer side surface of the second shell and between two adjacent through holes.

8. The power monitoring device according to claim 1, characterized in that: The second circuit board is provided with two identical multi-position sockets and a micro USB port.

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