Circuit detection device
By designing that the wires are close to the base and the circuit board is close to the top cover in the circuit detection device, combined with the U-shaped structure and dislocation components, the problem of installation difficulties caused by large volume of the circuit detection device is solved, and a circuit detection device with a smaller volume and higher reliability is achieved.
Patent Information
- Application Number
- CN202422410139.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing circuit detection devices are large in size, making it difficult to install when installing on old power grids or equipment.
A circuit detection device is designed, in which the wire is arranged close to the base and the circuit board is arranged close to the top cover to form sufficient electrical gap to reduce the probability of short circuit, and save space through U-shaped structure and misaligned components such as current transformers, voltage transformers, transformers, etc.
It reduces the difficulty of installing the circuit detection device, reduces the device volume, improves the reliability of use and production cost-effectiveness.
Smart Images
Figure CN223229649U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of electrical equipment, and in particular to a circuit detection device. Background Art
[0002] With the digital transformation of the power industry, the demand for power consumption monitoring in power grid systems and equipment circuits is increasing. For older power grids and equipment, digital upgrades are not only costly but also extremely difficult. Adding circuit monitoring devices to older power grids or equipment is a very suitable and economical solution.
[0003] In the prior art, due to the large size of the circuit detection device, it is often difficult to install the circuit detection device when it is installed on an old power grid or equipment. Utility Model Content
[0004] The present application provides a circuit detection device to reduce the difficulty of installing the circuit detection device.
[0005] In a first aspect, the present application provides a circuit detection device comprising a housing, a wiring assembly, and a circuit board. The housing comprises a top cover and a base, which together form an installation space. The wiring assembly comprises a wiring board and wires connected to each other. The wiring board is disposed within the installation space, and the wires are partially disposed within the installation space, with the portion of the wires within the installation space disposed proximate to the base. A circuit board is disposed within the installation space and is electrically connected to the wiring assembly via a live wire. The circuit board is disposed proximate to the top cover, with an electrical gap between the circuit board and the wiring assembly.
[0006] With the above solution, the portion of the wires located within the installation space is positioned near the base, and the circuit board is positioned near the top cover. When the top cover and base are closed, a sufficient electrical gap is formed between the circuit board and the wiring assembly, thereby reducing the probability of short circuits within the circuit detection device. Furthermore, when sufficient electrical gaps are provided between the circuit board and the wiring assembly, there is no need to install a baffle between the circuit board and the wiring assembly to prevent short circuits. This not only reduces the production cost of the circuit detection device, but also reduces the size of the circuit detection device.
[0007] In one possible design, the wire includes a first end and a second end, and an extension plate is provided on the side of the terminal block facing the base. The first end passes through the housing and is located outside the installation space, while the second end is located within the installation space and is electrically connected to the extension plate.
[0008] With the above solution, an extension plate is provided on the side of the terminal block facing the base. When the wires are positioned near the base, the extension plate facilitates connection between the wires and the terminal block. Furthermore, because the extension plate extends from the terminal block, connecting the wires to the extension plate is equivalent to connecting the wires directly to the terminal block, thereby increasing the reliability of the wiring assembly and, consequently, the circuit detection device.
[0009] In one possible design, the wire includes a first end and a second end. The first end passes through the housing and is located outside the installation space, and the second end is located within the installation space and is electrically connected to the terminal block via a conductive member.
[0010] With the above solution, the terminal block can remain unchanged. When the wires are positioned near the base, a conductive member can be added between the terminal block and the wires, with one end of the conductive member electrically connected to the terminal block and the other end of the conductive member electrically connected to the wires, thereby achieving connection between the wires and the terminal block. This arrangement can reduce the production cost of the terminal block and eliminate the need to manufacture a completely new mold for the terminal block.
[0011] In one possible design, the wire includes a first segment and a second segment. The first segment is located outside the installation space, while the second segment is located inside the installation space. The first end is the end of the first segment away from the second segment. The second segment is U-shaped and includes a first segment, a second segment, and a third segment connected in sequence. The first segment is connected to the first segment, and the second end is the end of the third segment away from the second segment. The first end and the terminal block are located on the same side of the base.
[0012] Through the above solution, the first section, the second section and the third section can be connected in sequence to form a U-shaped structure of the second section. In this way, the original direction of the incoming and outgoing lines can be maintained, making the circuit detection device easier to set up.
[0013] In a possible design, the housing includes a first side plate and a second side plate connected to each other, the terminal block is provided on the first side plate, and the first section is provided close to the second side plate, wherein the first side plate is adjacent to the second side plate.
[0014] Through the above scheme, the terminal block is arranged on the first side panel, and the first section is arranged close to the second side panel. Combined with the U-shaped structure of the second section, this arrangement can reduce the area occupied by the wires located in the installation space, so that the volume of the circuit detection device can be smaller. When the volume of the circuit detection device is reduced, the installation of the circuit detection device can be more convenient.
[0015] In one possible design, the circuit detection device further includes a current transformer, which is disposed in the installation space, and is sheathed in the first section, or the second section, or the third section.
[0016] Through the above solution, the installation of the current transformer enables the circuit detection device to detect the current in the loop. Therefore, the current transformer can be installed on the first segment, the second segment, or the third segment. However, regardless of whether the current transformer is installed on the first segment, the second segment, or the third segment, it does not affect the current transformer's detection effect on the loop current. In addition, because the second segment has a U-shaped structure, when the current transformer is installed on the second segment, the space occupied by the current transformer during installation can be saved, thereby reducing the volume of the circuit detection device.
[0017] In a possible design, the circuit detection device further includes a voltage transformer, which is connected to a side of the circuit board facing the wiring assembly. The voltage transformer and the current transformer are staggered.
[0018] Through the above solution, the voltage transformer allows the circuit detection device to detect the voltage in the circuit. This, combined with the current transformer's detection of the circuit current, can derive parameters such as the circuit power. Because the circuit board is located near the top cover, the voltage transformer is connected to the side of the circuit board facing the wiring assembly. When the top cover and base are closed, the voltage transformer can be offset from the current transformer in the direction from the base to the top cover, thus saving space in the thickness direction of the circuit detection device.
[0019] In a possible design, the circuit detection device further includes a transformer, which is connected to a side of the circuit board facing the wiring assembly. The transformer and the current transformer are staggered.
[0020] With this solution, since the circuit board is positioned near the top cover, the transformer is connected to the side of the circuit board facing the wiring assembly. When the top cover is closed onto the base, the transformer can be offset from the base in the direction from the top cover, thus saving space in the thickness direction of the circuit testing device.
[0021] In one possible design, the top cover is provided with an isolation portion, the circuit board is provided with a notch, and the isolation portion is located in the notch to electrically isolate the circuit board from part of the wiring assembly.
[0022] Through the above solution, the gap on the circuit board can make installation space for the setting of the isolation part, and the setting of the isolation part can separate some wiring components from the circuit board, which can reduce the probability of short circuit problems between the wiring components and the circuit board, and reduce the probability of damage to the components on the circuit board, thereby improving the reliability of the circuit detection device.
[0023] In a possible design, the circuit detection device further includes an antenna, wherein the antenna portion is disposed in the installation space and electrically connected to the circuit board.
[0024] Through the above scheme, the setting of the antenna can transmit the detected data to the outside after the circuit detection device detects the loop data. In this way, the operator can understand the status of the loop at the first time. When a problem occurs in the loop, the problematic data can also be transmitted and recorded in time, thus ensuring the reliability of the circuit detection device. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is an exploded view of the circuit detection device provided in an embodiment of the present application.
[0026] Figure 2 This is a schematic diagram of the overall structure of the circuit detection device provided in an embodiment of the present application.
[0027] Figure 3 A schematic diagram of the structure of the circuit board provided in an embodiment of the present application.
[0028] Figure 4 A schematic diagram of the structure of the wire provided in an embodiment of the present application.
[0029] Figure 5 A schematic diagram of the structure of the wiring board provided in an embodiment of the present application.
[0030] Figure 6 A schematic diagram of the internal structure of the circuit detection device provided in an embodiment of the present application.
[0031] Figure 7 This is an assembly diagram of the wiring assembly and current transformer provided in an embodiment of the present application.
[0032] Figure 8 This is an exploded view of the top cover and circuit board provided in an embodiment of the present application.
[0033] Description of reference numerals:
[0034] 100, housing; 110, top cover; 111, isolation portion; 120, base; 121, first side panel; 122, second side panel;
[0035] 200, wiring assembly; 210, wiring board; 211, extension board; 220, wire; 221, first end; 222, second end; 223, first section; 224, second section; 225, third section;
[0036] 300, circuit board; 310, live wire; 320, notch;
[0037] 400, current transformer;
[0038] 500, voltage transformer;
[0039] 600, transformer;
[0040] 700. Antenna. DETAILED DESCRIPTION
[0041] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0043] The terms "comprises", "comprising" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover but not exclude other contents. The word "a" or "an" does not exclude the presence of a plurality.
[0044] References to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it necessarily refer to independent or alternative embodiments that are mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0045] The term "and / or" in this document simply describes a relationship between related objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone. Additionally, the character " / " in this document generally indicates that the related objects are in an "or" relationship.
[0046] The directional words appearing in the following description are all directions shown in the drawings, and do not limit the specific structure of the static contact of a circuit breaker and the circuit breaker of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.
[0047] In addition, the terms "first", "second", etc. in the description and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order, and may explicitly or implicitly include one or more such features.
[0048] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, the "connection" or "connection" of a mechanical structure may refer to a physical connection. For example, the physical connection may be a fixed connection, such as a fixed connection through a fixing member, such as a fixed connection through a screw, bolt, or other fixing member; the physical connection may also be a detachable connection, such as a mutual snap connection or snap connection; the physical connection may also be an integral connection, such as a connection formed by welding, bonding, or integral molding. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0049] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
[0050] Figure 1 This is an exploded view of the circuit detection device provided in an embodiment of the present application. Figure 2 This is a schematic diagram of the overall structure of the circuit detection device provided in an embodiment of the present application. Figure 3 A schematic diagram of the structure of the circuit board provided in an embodiment of the present application.
[0051] like Figures 1 to 3As shown, the present application provides a circuit detection device, including a housing 100, a wiring assembly 200 and a circuit board 300. The housing 100 includes a top cover 110 and a base 120, and the top cover 110 and the base 120 are covered to form an installation space. The wiring assembly 200 includes a wiring board 210 and a wire 220 that are connected to each other. The wiring board 210 is arranged in the installation space, and the wire 220 is partially arranged in the installation space. The part of the wire 220 located in the installation space is arranged near the base 120. The circuit board 300 is arranged in the installation space, and the circuit board 300 is electrically connected to the wiring assembly 200 through the live wire 310. The circuit board 300 is arranged near the top cover 110, and there is an electrical gap between the circuit board 300 and the wiring assembly 200.
[0052] The top cover 110 is provided with a receiving cavity, and the base 120 is also provided with a receiving cavity. When the top cover 110 and the base 120 are covered, the receiving cavity of the top cover 110 can be combined with the receiving cavity of the base 120 to form an installation space.
[0053] The terminal block 210 may be plate-shaped and located in the installation space. Since most external circuits are soft wires, the wires of the external circuits may extend into the installation space and be connected to the terminal block 210 .
[0054] The wire 220 may be a flexible wire, a portion of the wire 220 is located in the installation space and electrically connected to the wiring board 210 , and another portion of the wire 220 is located outside the installation space.
[0055] The circuit board 300 can be in the form of a plate, and multiple components can be mounted on the circuit board 300. One end of a live lead 310 can be soldered to the circuit board 300, and the other end of the live lead 310 can be soldered to the terminal block 210, thereby electrically connecting the circuit board 300 to the terminal assembly 200 via the live lead 310. The other end of the live lead 310 can also be soldered to the wire 220. To ensure normal operation of the circuit board 300, the circuit board 300 is also provided with a neutral lead. One end of the neutral lead can be soldered to the circuit board 300, and the other end of the neutral lead can be connected to an external neutral wire.
[0056] A portion of the wires 220 is disposed within the accommodating cavity of the base 120, and the portion of the wires 220 disposed within the accommodating cavity of the base 120 can be positioned adjacent to the inner bottom surface of the base 120. The inner bottom surface of the base 120 can be the surface of the base 120 facing the top cover 110. The circuit board 300 is disposed within the accommodating cavity of the top cover 110, and can be positioned adjacent to the inner bottom surface of the top cover 110. This ensures sufficient electrical clearance between the circuit board 300 and the wiring assembly 200 when the top cover 110 and the base 120 are closed.
[0057] To sum up, some of the wires 220 located in the installation space are arranged close to the base 120, and the circuit board 300 is arranged close to the top cover 110. When the top cover 110 and the base 120 are covered, a sufficient electrical gap can be formed between the circuit board 300 and the wiring assembly 200, thereby reducing the probability of short circuit problems occurring inside the circuit detection device.
[0058] Moreover, when there is a sufficient electrical gap between the circuit board 300 and the wiring assembly 200, there is no need to install a partition between the circuit board 300 and the wiring assembly 200 to avoid the occurrence of short circuit problems. This not only saves the production cost of the circuit detection device, but also reduces the volume of the circuit detection device.
[0059] Figure 4 A schematic diagram of the structure of the wire provided in an embodiment of the present application. Figure 5 This is a schematic diagram of the structure of the wiring board provided in the embodiment of the present application. Figure 1 、 Figure 4 as well as Figure 5 As shown, the wire 220 includes a first end 221 and a second end 222. An extension plate 211 is provided on the side of the terminal block 210 facing the base 120. The first end 221 passes through the housing 100 and is located outside the installation space, while the second end 222 is located within the installation space and is electrically connected to the extension plate 211.
[0060] The terminal block 210 is arranged in the installation space, but the setting position of the terminal block 210 is still a certain distance away from the inner bottom surface of the base 120, and the wire 220 is arranged close to the inner bottom surface of the base 120. In order to facilitate the connection between the wire 220 and the terminal block 210, the terminal block 210 is provided with an extension plate 211 in the direction toward the inner bottom surface of the base 120.
[0061] Through the above arrangement, an extension plate 211 is provided on the side of the terminal block 210 facing the base 120. When the wire 220 is placed near the base 120, the provision of the extension plate 211 facilitates the connection of the wire 220 to the terminal block 210. Furthermore, because the extension plate 211 extends from the terminal block 210, when the wire 220 is connected to the extension plate 211, it is equivalent to the wire 220 being directly connected to the terminal block 210, which can improve the reliability of the wiring assembly 200 and thus the reliability of the circuit detection device.
[0062] Please continue to refer to Figure 4 As shown, the wire 220 includes a first end 221 and a second end 222. The first end 221 passes through the housing 100 and is located outside the installation space, while the second end 222 is located inside the installation space and is electrically connected to the terminal block 210 via a conductive member.
[0063] With the above arrangement, the connection plate 210 does not need to be modified. When the wire 220 is positioned near the base 120, a conductive member can be added between the connection plate 210 and the wire 220, with one end of the conductive member electrically connected to the connection plate 210 and the other end of the conductive member electrically connected to the wire 220. This arrangement can reduce the production cost of the connection plate 210 and eliminate the need to manufacture a new mold for the connection plate 210.
[0064] Figure 6 This is a schematic diagram of the internal structure of the circuit detection device provided in the embodiment of the present application. Figure 4 as well as Figure 6 As shown, wire 220 includes a first segment and a second segment. The first segment is located outside the installation space, while the second segment is located inside the installation space. First end 221 is the end of the first segment away from the second segment. The second segment is U-shaped and includes a first segment 223, a second segment 224, and a third segment 225, which are connected in sequence. First segment 223 is connected to the first segment, and second end 222 is the end of third segment 225 away from second segment 224. First end 221 and terminal block 210 are located on the same side of base 120.
[0065] The first segment is electrically connected to the second segment. A first end 221 is provided on the first segment and can be electrically connected to an external circuit protection device. A second end 222 is provided on the second segment and is used to electrically connect to the terminal block 210. First end 221 can be the end of the first segment away from the second segment. Since the second segment is U-shaped, first end 221 and terminal block 210 are both located toward the opening of the U.
[0066] The first section 223 and the third section 225 can be arranged in parallel, with the second section 224 disposed between the first section 223 and the third section 225. The first section 223 is connected to the first subsection, and the third section 225 is connected to the terminal block 210. When the circuit detection device is connected in series with the external loop, current flows from the current protection device, sequentially passing through the terminal block 221, the first section 223, the second section 224, and the third section 225. The current then flows into the second subsection and finally flows into the circuit detection device from the second end 221.
[0067] In summary, the first section 223, the second section 224 and the third section 225 can be connected in sequence to form a U-shaped structure in the second section. In this way, the original direction of the incoming and outgoing lines can be maintained, making the circuit detection device easier to set up.
[0068] Please continue to refer to Figure 6As shown, the housing 100 includes a first side plate 121 and a second side plate 122 connected to each other, the terminal block 210 is disposed on the first side plate 121, and the first section 223 is disposed close to the second side plate 122. The first side plate 121 and the second side plate 122 are adjacent to each other.
[0069] The first side plate 121 and the second side plate 122 may have a non-zero angle therebetween. For example, the angle therebetween may be 85°, 87°, or 90°.
[0070] The terminal block 210 is connected to the first side panel 121, and the second end 222 is located in the third section 225. Therefore, the third section 225 is located near the first side panel 121, and the first section 223 is located near the second side panel 122. Because the second section has a U-shaped structure, the wire 220 located in the installation space can be located near a corner inside the base 120.
[0071] To sum up, the terminal block 210 is arranged on the first side panel 121, and the first section 223 is arranged close to the second side panel 122. Combined with the U-shaped structure of the second section, this arrangement can reduce the area occupied by the wire 220 located in the installation space, so that the volume of the circuit detection device can be smaller. When the volume of the circuit detection device is reduced, the installation of the circuit detection device can be more convenient.
[0072] Figure 7 This is an assembly diagram of the wiring assembly and current transformer provided in the embodiment of the present application. Figure 4 、 Figure 6 as well as Figure 7 As shown, the circuit detection device further includes a current transformer 400, which is disposed in the installation space and is sleeved on the first section 223, or sleeved on the second section 224, or sleeved on the third section 225.
[0073] The current transformer 400 is used to detect the current in the circuit detection device. Because the current transformer 400 is disposed in the installation space and is sleeved on the second segment, the current transformer 400 can detect the current in the conductor 220 .
[0074] The second segment is connected in sequence by the first segment 223, the second segment 224 and the third segment 225 to form a U-shaped structure. Regardless of whether the current transformer 400 is mounted on the first segment 223, or the current transformer 400 is mounted on the second segment 224, or the current transformer 400 is mounted on the third segment 225, the current can be detected by the current transformer 400.
[0075] Since the second segment is a U-shaped structure, when the current transformer 400 is mounted on the first segment 223, or the current transformer 400 is mounted on the second segment 224, or the current transformer 400 is mounted on the third segment 225, part of the current transformer 400 is located in the opening of the U-shaped structure.
[0076] In summary, the provision of the current transformer 400 enables the circuit detection device to detect the current in the external loop. The current transformer 400 can be mounted on the first section 223, the second section 224, or the third section 225. However, regardless of whether the current transformer 400 is mounted on the first section 223, the second section 224, or the third section 225, the loop current detection effect of the current transformer 400 is not affected. Furthermore, because the second section has a U-shaped structure, when the current transformer 400 is mounted on the second section, the space occupied by the current transformer 400 during installation can be saved, thereby reducing the volume of the circuit detection device.
[0077] like Figure 1 as well as Figure 3 As shown, the circuit detection device further includes a voltage transformer 500, which is connected to the side of the circuit board 300 facing the wiring assembly 200. The voltage transformer 500 and the current transformer 400 are staggered.
[0078] The voltage transformer 500 is mounted on the circuit board 300. Because the circuit board 300 is located near the top cover 110, it is positioned on the side of the circuit board 300 facing the base 120. The voltage transformer 500 can detect the voltage of the circuit. While the current transformer 400 detects the circuit current, the voltage transformer 500 detects the circuit voltage. The detected values can be used to determine parameters such as the circuit power.
[0079] Because there is an electrical gap between the circuit board 300 and the wiring assembly 200, the installation of the voltage transformer 500 does not affect the components installed in the base 120. Moreover, when the top cover 110 and the base 120 are covered, the voltage transformer 500 can be offset from the current transformer 400 in the direction from the base 120 to the top cover 110.
[0080] In summary, the provision of the voltage transformer 500 enables the circuit detection device to detect the voltage in the loop. Thus, combined with the detection of the loop current value by the current transformer 400, parameters such as the loop power can be derived. Because the circuit board 300 is positioned near the top cover 110, the voltage transformer 500 is connected to the side of the circuit board 300 facing the wiring assembly 200. When the top cover 110 and the base 120 are closed, the voltage transformer 500 can be offset from the current transformer 400 in the direction from the base 120 to the top cover 110. This saves space in the thickness direction of the circuit detection device.
[0081] like Figure 3 As shown, the circuit detection device further includes a transformer 600, which is connected to the side of the circuit board 300 facing the wiring assembly 200. The transformer 600 and the current transformer 400 are staggered.
[0082] The transformer 600 is disposed on the circuit board 300. Since the circuit board 300 is disposed close to the top cover 110, the transformer 600 is disposed on the side of the circuit board 300 facing the base 120. The transformer 600 can reduce the line voltage and can provide power to the circuit board 300.
[0083] Because there is a gap between the circuit board 300 and the wiring assembly 200, the installation of the transformer 600 does not affect the components installed in the base 120. Moreover, when the top cover 110 and the base 120 are covered, the transformer 600 can be offset from the current transformer 400 in the direction from the base 120 to the top cover 110.
[0084] In summary, because circuit board 300 is positioned near top cover 110, transformer 600 is connected to the side of circuit board 300 facing wiring assembly 200. When top cover 110 is closed onto base 120, transformer 600 can be offset from base 120 in the direction from top cover 110 to top cover 110, thereby saving space in the thickness direction of the circuit testing device.
[0085] Figure 8 This is an exploded view of the top cover and circuit board provided in the embodiment of the present application. Figure 1 as well as Figure 8 As shown, the top cover 110 is provided with an isolation portion 111 , and the circuit board 300 is provided with a notch 320 . The isolation portion 111 is located in the notch 320 to electrically isolate the circuit board 300 from a portion of the wiring assembly 200 .
[0086] The notch 320 may be a through groove provided on the circuit board 300 , and the notch 320 may be provided on one side of the circuit board 300 .
[0087] The isolation portion 111 may be an isolation plate disposed in the direction of the top cover 110 toward the base 120 , or an isolation block disposed in the direction of the top cover 110 toward the base 120 . The isolation portion 111 may be located between the circuit board 300 and part of the wiring assembly 200 .
[0088] A slot is defined on the base 120 . When the top cover 110 and the base 120 are covered, the side of the isolation portion 111 facing the base 120 is located in the slot.
[0089] To sum up, the notch 320 on the circuit board 300 can make installation space for the setting of the isolation part 111. The setting of the isolation part 111 can separate part of the wiring assembly 200 from the circuit board 300, thereby reducing the probability of a short circuit problem between the wiring assembly 200 and the circuit board 300, and reducing the probability of damage to the components on the circuit board 300, thereby improving the reliability of the circuit detection device.
[0090] like Figure 1 As shown, the circuit detection device further includes an antenna 700 , which is partially disposed in the installation space and electrically connected to the circuit board 300 .
[0091] After the current transformer 400 detects the loop current and the voltage transformer 500 detects the loop voltage, the data can be sent outward via the antenna 700 .
[0092] Through the above-mentioned setting, the setting of antenna 700 can transmit the detected data to the outside after the circuit detection device detects the loop data. In this way, the operator can understand the status of the loop at the first time. When a problem occurs in the loop, the problematic data can also be transmitted out in time for recording, thus ensuring the reliability of the circuit detection device.
Claims
1. A circuit detection device, characterized in that: include: The housing comprises a top cover and a base, wherein the top cover and the base are combined to form an installation space; A wiring assembly, comprising a wiring board and wires connected to each other, wherein the wiring board is arranged in the installation space, the wires are partially arranged in the installation space, and the portion of the wires located in the installation space is arranged close to the base; A circuit board is arranged in the installation space, the circuit board is electrically connected to the wiring assembly through a live wire, the circuit board is arranged close to the top cover, and an electrical gap is formed between the circuit board and the wiring assembly.
2. The circuit detection device according to claim 1, characterized in that: The wire includes a first end and a second end, and an extension plate is provided on a side of the wiring board facing the base; The first end passes through the housing and is located outside the installation space, the second end is located in the installation space, and the second end is electrically connected to the extension plate.
3. The circuit detection device according to claim 1, characterized in that: The wire includes a first end and a second end; the first end passes through the housing and is located outside the installation space, the second end is located in the installation space, and the second end is electrically connected to the terminal block through a conductive member.
4. The circuit detection device according to claim 2 or 3, characterized in that: The wire includes a first segment and a second segment, the first segment is located outside the installation space, and the second segment is located inside the installation space; The first end is an end of the first segment away from the second segment; The second segment is U-shaped, and includes a first segment, a second segment, and a third segment connected in sequence, the first segment is connected to the first segment, and the second end is an end of the third segment away from the second segment; The first end and the terminal block are located on the same side of the base.
5. The circuit detection device according to claim 4, characterized in that: The housing includes a first side plate and a second side plate connected to each other, the terminal block is provided on the first side plate, and the first section is provided close to the second side plate; Wherein, the first side panel is adjacent to the second side panel.
6. The circuit detection device according to claim 4, characterized in that: The circuit detection device further includes a current transformer, which is arranged in the installation space; The current transformer is mounted on the first section, or the current transformer is mounted on the second section, or the current transformer is mounted on the third section.
7. The circuit detection device according to claim 6, characterized in that: The circuit detection device further includes a voltage transformer connected to a side of the circuit board facing the wiring assembly; The voltage transformer and the current transformer are staggered.
8. The circuit detection device according to claim 6, characterized in that: The circuit detection device further includes a transformer connected to a side of the circuit board facing the wiring assembly; The transformer and the current transformer are staggered.
9. The circuit detection device according to claim 1, characterized in that: The top cover is provided with an isolation portion, the circuit board is provided with a notch, and the isolation portion is located in the notch to electrically isolate the circuit board from part of the wiring assembly.
10. The circuit detection device according to claim 1, characterized in that: The circuit detection device further includes an antenna, wherein the antenna portion is disposed in the installation space and is electrically connected to the circuit board.