Direct current contactor capable of monitoring self load current

Abstract

The utility model provides a direct-current contactor capable of monitoring self load current, relates to the technical field of direct-current contactors, and aims to solve the problems that an existing direct-current contactor is usually directly fixed in a control circuit, so that temporary measurement needs to be carried out through an external universal meter when the load current is monitored, and the operation is inconvenient. However, the universal meter cannot be installed in a control circuit for a long time, so that the universal meter is inconvenient to carry out real-time monitoring and processing. A monitoring assembly is arranged at the bottom of the circuit assembly; and a connecting assembly is arranged outside the circuit assembly. A lower clamping groove is formed in the bottom of a main body, so that an electrified insertion block is conveniently restrained, the electrified insertion block is conveniently connected with a monitor in the stable process, the electrified main body is continuously measured through the monitor, and the load current of the main body is conveniently monitored; and the connecting device can be conveniently connected with the fixed underframe through the screw cap.

Description

Technical Field

[0001] The utility model belongs to the technical field of direct current contactors, and more specifically, particularly relates to a direct current contactor capable of monitoring its own load current. Background Art

[0002] A high-voltage DC contactor is an electrical device used to control a high-voltage DC circuit. Its main function is to realize switch control in a high-voltage DC circuit to ensure the normal operation of the circuit. In order to facilitate the monitoring of the contactor's own floating current, a DC contactor that can monitor the load current is required.

[0003] Based on the findings in the prior art, the existing DC contactor is usually directly fixed in the control circuit, which results in the need for temporary measurement of the load current through an external multimeter. However, since the multimeter cannot be installed in the control circuit for a long time, it is not convenient to perform real-time monitoring and processing. Utility Model Content

[0004] In order to solve the above technical problems, an embodiment of the present disclosure relates to a DC contactor that can monitor its own load current, so as to solve the problem that the existing DC contactor is usually directly fixed in the control circuit, resulting in the need for temporary measurement of the load current through an external multimeter, but because the multimeter cannot be installed in the control circuit for a long time, it is not convenient to perform real-time monitoring and processing.

[0005] In a first aspect of the present disclosure, a DC contactor capable of monitoring its own load current is provided, which is achieved by the following specific technical means:

[0006] A DC contactor capable of monitoring its own load current comprises: a circuit assembly; the circuit assembly comprises a main body, a conductive joint, a lower card slot and a connecting rod frame; the connecting rod frame is configured as a threaded rod-shaped structure, a disc-shaped protrusion is provided on the connecting rod frame, and the connecting rod frame is fixed to the bottom of the main body by screws; a monitoring assembly is provided at the bottom of the circuit assembly, and the monitoring assembly comprises a fixed base frame and a monitor; a connecting rod frame is inserted into the interior of the fixed base frame, and the main body is fixed to the top of the fixed base frame by screws; the fixed base frame is configured as a rectangular block structure, two groups of rectangular outer solid blocks are provided on the outer wall of the fixed base frame, and a circular through hole is provided in the middle position of the fixed base frame; a connecting assembly is provided on the outside of the circuit assembly, and the connecting assembly comprises an energizing ring and an energizing plug; the energizing ring is sleeved on the conductive joint, the energizing plug is inserted into the lower card slot, and the energizing plug is electrically connected to the monitor; the energizing ring is configured as a circular ring structure, a connecting port is provided on the outer wall of the energizing ring, and there are two groups of energizing rings in total.

[0007] At least in some embodiments, a control component is provided inside the main body, and two groups of circular through holes are provided on the main body; the conductive connector is configured as a threaded rod-shaped structure, and there are two groups of conductive connectors in total, which are respectively fixed on the top of the main body, and the two groups of conductive connectors are respectively electrically connected to the control component inside the main body.

[0008] At least in some embodiments, the lower card slots are configured as rectangular groove structures, and there are two groups of lower card slots, which are respectively opened at the bottom of the main body.

[0009] At least in some embodiments, the monitoring component also includes a plug-in slot; the plug-in slot is configured as a rectangular groove structure, the bottom of the plug-in slot is connected to a rectangular slot, the top of the plug-in slot is connected to a circular through hole, and there are two groups of plug-in slots, which are respectively opened on the outer wall of the fixed base frame.

[0010] At least in some embodiments, the monitoring component also includes a power plug; a current measuring component is provided inside the monitor, and connecting plugs are provided at the upper and lower ends of the monitor, respectively. There are two groups of monitors in total, and the two groups of monitors are respectively inserted into the plug slots; the power plug is connected to an external wire, and the power plug is inserted into the bottom connecting plug of the monitor.

[0011] At least in some embodiments, the connection assembly further includes connecting wires; the connecting wires are provided in two groups, and the two groups of connecting wires are respectively connected to the connecting ports of the two groups of power-on rings; the power-on plug-ins are provided in two groups, and the two groups of power-on plug-ins are respectively connected to the two groups of connecting wires.

[0012] The DC contactor capable of monitoring its own load current proposed by the utility model has the following beneficial effects:

[0013] 1. A lower card slot and a connecting rod frame are provided. By providing a lower card slot at the bottom of the main body, it is convenient to constrain the power plug block so that it can be connected to the monitor during the process of maintaining stability, so that the monitor can continuously measure the powered main body, which is convenient for monitoring the load current of the main body. By fixing the connecting rod frame at the bottom of the main body, it is convenient to connect it to the fixed base frame through a nut so that it can remain stable during the installation process;

[0014] 2. A fixed base frame and a plug-in slot are provided. The fixed base frame is fixed to the bottom of the main body under the action of the connecting rod frame, so that the main body can be kept stable after being connected to the circuit, so that the main body can be kept stable as a whole. By opening a plug-in slot on the outer wall of the fixed base frame, the monitor can be fixed conveniently, so that the main body can be powered on and monitored by connecting with the power-on plug block and the power-on plug while maintaining stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional upward-looking structural schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the exploded structure of the utility model when viewed from above.

[0019] Figure 5 It is a partial cutaway structural schematic diagram of the utility model.

[0020] Figure 6 The utility model is Figure 5 Schematic diagram of the enlarged structure of part A.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Circuit assembly; 101. Main body; 102. Conductive connector; 103. Lower card slot; 104. Connecting rod frame;

[0023] 2. Monitoring component; 201. Fixed chassis; 202. Plug slot; 203. Monitor; 204. Power plug;

[0024] 3. Connecting components; 301. Power-on connecting ring; 302. Connecting wires; 303. Power-on plug-in block. DETAILED DESCRIPTION

[0025] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0026] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 6As shown: The utility model provides a DC contactor capable of monitoring its own load current, comprising: a circuit assembly 1; the circuit assembly 1 comprises a main body 101, a conductive connector 102, a lower card slot 103 and a connecting rod frame 104; the connecting rod frame 104 is set as a threaded rod structure, and a disc-shaped protrusion is provided on the connecting rod frame 104, and the connecting rod frame 104 is fixed to the bottom of the main body 101 by screws; the connecting rod frame 104 is used to assist in fixing the main body 101, so as to maintain the stability between the main body 101 and the fixed base frame 201, so as to facilitate its use; a monitoring assembly 2 is provided at the bottom of the circuit assembly 1, and the monitoring assembly 2 comprises a fixed base frame 201 and a monitor 203; the connecting rod frame 104 is inserted into the fixed base frame 201, and the main body 101 is fixed to the top of the fixed base frame 201 by screws; the fixed base frame 201 is provided It is a rectangular block structure, and two groups of rectangular outer fixed blocks are provided on the outer wall of the fixed base frame 201, and a circular through hole is provided in the middle position of the fixed base frame 201; the fixed base frame 201 is used to assist in the installation and fixation of other structures of the device so as to maintain the stability of the device in the circuit; a connecting component 3 is provided on the outside of the circuit component 1, and the connecting component 3 includes a power-on ring 301 and a power-on plug 303; the power-on ring 301 is sleeved on the conductive connector 102, and the power-on plug 303 is inserted into the lower card slot 103, and the power-on plug 303 is electrically connected to the monitor 203; the power-on ring 301 is set as a circular ring structure, and a connecting port is provided on the outer wall of the power-on ring 301, and there are two groups of power-on rings 301; the power-on ring 301 is used to cooperate with the connecting wire 302 and the power-on plug 303 to energize the main body 101 for its use.

[0027] Embodiment 2: Based on Embodiment 1, Figure 3 As shown, a control component is provided inside the main body 101, and two groups of circular through holes are provided on the main body 101; the main body 101 is used to connect to the circuit so as to control the circuit; the conductive connector 102 is set as a threaded rod structure, and there are two groups of conductive connectors 102, which are respectively fixed on the top of the main body 101, and the two groups of conductive connectors 102 are respectively electrically connected to the control component inside the main body 101; the conductive connector 102 is used to connect with the power-on ring 301, so as to facilitate the power-on treatment of the main body 101; the lower card slot 103 is set as a rectangular groove structure, and there are two groups of lower card slots 103, which are respectively opened at the bottom of the main body 101; the lower card slot 103 is used to assist in fixing the power-on plug 303, so as to facilitate the power-on treatment of the main body 101.

[0028] In the embodiments of the present disclosure, Figure 3 and Figure 6As shown, the monitoring component 2 also includes a plug slot 202; the plug slot 202 is set as a rectangular groove structure, the bottom of the plug slot 202 is connected to a rectangular slot, the top of the plug slot 202 is connected to a circular through hole, and there are two groups of plug slots 202, which are respectively opened on the outer wall of the fixed base frame 201; the plug slot 202 is used to assist in fixing the monitor 203 so that it can remain stable as a whole; the monitoring component 2 also includes a power plug 204; the monitor 203 is provided with a power plug The monitor 203 is provided with connecting plugs at the upper and lower ends, and there are two groups of monitors 203, which are respectively inserted into the plug-in slots 202; the monitor 203 is used to be connected in series in the circuit, so that it is convenient to monitor the current received by the main body 101; the power plug 204 is connected to the external wire, and the power plug 204 is inserted into the bottom connecting plug of the monitor 203; the power plug 204 is used to power on the monitor 203 for its use.

[0029] In the embodiments of the present disclosure, Figure 3 and Figure 6 As shown, the connection assembly 3 also includes connecting wires 302; there are two groups of connecting wires 302, and the two groups of connecting wires 302 are respectively connected to the connection ports of the two groups of power-on rings 301; the connecting wires 302 are used to connect the power-on plug block 303 and the power-on ring 301, so as to power on the main body 101; there are two groups of power-on plug blocks 303, and the two groups of power-on plug blocks 303 are respectively connected to the two groups of connecting wires 302; the power-on plug blocks 303 are used to cooperate with the connecting wires 302 to connect the main body 101 with the monitor 203.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the present invention, during installation, the bottom of the main body 101 is fixed to the connecting rod frame 104 by screws, and then the connecting rod frame 104 is inserted into the top of the fixed base frame 201, and the connecting rod frame 104 is tightened under the action of the nut to maintain the stability of the connection between the main body 101 and the fixed base frame 201, and then the monitors 203 are respectively inserted into the plug slots 202, and after the fixation is completed, the power plug block 303 is inserted into the top of the monitor 203, and the connecting wire 302 and the power ring 301 are connected to the main body 101, so that the main body 101 and the two sets of monitors 203 are respectively kept in a series state;

[0032] When in use, two sets of power plugs 204 are respectively inserted into the bottom of two sets of monitors 203 to energize the circuit. When the current passes through the main body 101, the current of the main body 101 is measured in real time through the two sets of monitors 203 to monitor the main body 101.

[0033] In this article, there are a few points to note:

[0034] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0035] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0036] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A DC contactor capable of monitoring its own load current, characterized in that: include: A circuit assembly (1); the circuit assembly (1) comprises a main body (101), a conductive connector (102), a lower slot (103) and a connecting rod frame (104); the connecting rod frame (104) is configured as a threaded rod structure, a disc-shaped protrusion is provided on the connecting rod frame (104), and the connecting rod frame (104) is fixed to the bottom of the main body (101) by screws; a monitoring assembly (2) is provided at the bottom of the circuit assembly (1), and the monitoring assembly (2) comprises a fixed base frame (201) and a monitor (203); the connecting rod frame (104) is inserted into the interior of the fixed base frame (201), and the main body (101) is fixed to the top of the fixed base frame (201) by screws; the fixed base frame ( The circuit assembly (1) is provided with a rectangular block structure, two groups of rectangular outer fixed blocks are provided on the outer wall of the fixed base frame (201), and a circular through hole is provided in the middle of the fixed base frame (201); a connecting assembly (3) is provided on the outside of the circuit assembly (1), and the connecting assembly (3) comprises a power-on ring (301) and a power-on plug (303); the power-on ring (301) is sleeved on the conductive connector (102), the power-on plug (303) is inserted into the lower card slot (103), and the power-on plug (303) is electrically connected to the monitor (203); the power-on ring (301) is provided with a circular ring structure, a connecting port is provided on the outer wall of the power-on ring (301), and there are two groups of power-on rings (301) in total.

2. A DC contactor capable of monitoring its own load current according to claim 1, characterized in that: A control component is provided inside the main body (101), and two groups of circular through holes are provided on the main body (101); the conductive connector (102) is configured as a threaded rod-shaped structure, and there are two groups of conductive connectors (102) in total. The two groups of conductive connectors (102) are respectively fixed on the top of the main body (101), and the two groups of conductive connectors (102) are respectively electrically connected to the control component inside the main body (101).

3. A DC contactor capable of monitoring its own load current according to claim 1, characterized in that: The lower card slots (103) are configured as rectangular groove structures. There are two groups of lower card slots (103) in total. The two groups of lower card slots (103) are respectively opened at the bottom of the main body (101).

4. A DC contactor capable of monitoring its own load current according to claim 1, characterized in that: The monitoring component (2) further comprises a plug-in slot (202); the plug-in slot (202) is arranged as a rectangular groove structure, the bottom of the plug-in slot (202) is connected to a rectangular slot, the top of the plug-in slot (202) is connected to a circular through hole, and there are two groups of plug-in slots (202) in total, and the two groups of plug-in slots (202) are respectively arranged on the outer wall of the fixed base frame (201).

5. A DC contactor capable of monitoring its own load current according to claim 1, characterized in that: The monitoring component (2) further comprises a power plug (204); a current measuring component is provided inside the monitor (203); connection plugs are provided at the upper and lower ends of the monitor (203); there are two groups of monitors (203) in total, and the two groups of monitors (203) are respectively inserted into the plug slots (202); the power plug (204) is connected to an external wire, and the power plug (204) is inserted into the bottom connection plug of the monitor (203).

6. A DC contactor capable of monitoring its own load current according to claim 1, characterized in that: The connection assembly (3) further comprises connecting wires (302); the connecting wires (302) are provided in two groups, and the two groups of connecting wires (302) are respectively connected to the connection ports of the two groups of power-on rings (301); the power-on plug-in blocks (303) are provided in two groups, and the two groups of power-on plug-in blocks (303) are respectively connected to the two groups of connecting wires (302).

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