A safety detection device for the drawer switch connector of a 0.4 kV distribution panel

Abstract

The present invention discloses a safety detection device for the plug-in connectors of a 0.4 kV distribution panel drawer switch, which includes a drawer switch and a busbar channel, and the busbar channel is supported on the front side of the drawer switch. A plurality of busbars are symmetrically connected to the front side of the busbar channel, and a quick detection mechanism is installed on the front side of the busbars; the quick detection mechanism includes a fixed busbar insulation bracket connected between the front sides of the plurality of busbars and a fixed chassis bracket supported between the busbars and the bottom of the drawer switch, and the two symmetric ends of the fixed chassis bracket are respectively located on both sides of the busbar channel. Fixed support insulators are connected between the two ends of the fixed chassis bracket and the corresponding sides of the fixed busbar insulation bracket. A plurality of plug-in connector static and dynamic contact observation windows are evenly opened in the lower part of the front side of the busbar channel. This safety detection device for the plug-in connectors of a 0.4 kV distribution panel drawer switch can effectively and quickly inspect the drawer switch plug-in components and molded case circuit breakers, and the installation and fixation operations are simple and convenient.

Description

Technical Field

[0001] The present invention belongs to the technical field of drawer switch detection, and in particular to a safety detection device for the plug - in connectors of 0.4kV distribution panel drawer switches. Background Technique

[0002] Since the drawer switch plug - in connectors are located inside the distribution panel and are covered by the busbar channel and insulating baffles, it is impossible to detect the drawer switch plug - in connectors separately. Only by completely powering off the distribution panel can the insulation resistance and DC resistance tests be carried out as a whole. It is impossible to detect each drawer switch separately, and only the overall evaluation of the distribution panel can be carried out.

[0003] The maintenance period is very important for maintenance. Saving time for tests and commissioning within the limited period will greatly improve the health level of the equipment and better serve the power grid. The safety detection device for the plug - in connectors of 0.4kV distribution panel drawer switches can conduct tests on the contact degree, insulation resistance, DC resistance, etc. of the drawer - type switches during the power - off maintenance of the drawer - type switches. It can effectively and quickly inspect the drawer switch plug - ins and molded case circuit breakers, reduce the power - off range and power - off time, can be tested offline, away from live equipment, and improve the safety of operators. The operation is simple, restoring the action process and locking principle of the drawer switch, and can be used as a teaching demonstration tool to improve the maintenance level of operation and maintenance personnel. Summary of the Invention

[0004] The purpose of the present invention is to provide a safety detection device for the plug - in connectors of 0.4kV distribution panel drawer switches to solve the problems raised in the background technique.

[0005] Technical Solution: A safety detection device for the plug - in connectors of 0.4kV distribution panel drawer switches includes:

[0006] A drawer switch and a busbar channel, and the busbar channel is supported on the front side of the drawer switch. A plurality of busbars are symmetrically connected to the front side of the busbar channel, and a quick - detection mechanism is installed on the front side of the busbars.

[0007] The quick - detection mechanism includes a fixed busbar insulation bracket connected between the front sides of a plurality of busbars and a fixed chassis bracket supported between the busbars and the bottom of the drawer switch. The two symmetric ends of the fixed chassis bracket are respectively located on both sides of the busbar channel. Fixed support insulators are connected between the two ends of the fixed chassis bracket and the corresponding sides of the fixed busbar insulation bracket. A plurality of plug - in connector moving - and - static contact observation windows are evenly opened in the lower part of the front side of the busbar channel. The center of the top of the fixed busbar insulation bracket is connected with a connecting plate, and a quick - fixing mechanism is installed on the rear side of the connecting plate.

[0008] In a further embodiment, the quick-fixing mechanism includes two insertion rods symmetrically connected to the rear side of the upper part of the connecting plate and a clamping plate movably sleeved between the two insertion rods, and a spring is sleeved on the side wall of the insertion rod.

[0009] In a further embodiment, both ends of the spring are connected with connecting rings, and the two connecting rings are respectively connected to the corresponding sides of the clamping plate and the connecting plate.

[0010] In a further embodiment, a limiting member is connected to the end of the insertion rod away from the connecting plate.

[0011] In a further embodiment, a rubber pad is adhered to the side of the clamping plate close to the connecting plate, and the rubber pad supports the inner wall of the corresponding side of the drawer switch.

[0012] In a further embodiment, the fixed bracket insulator includes an insulating member connected to the front side of the fixed chassis bracket and a fixing bolt screwed between the insulating member and the front side of the fixed busbar insulating bracket.

[0013] In a further embodiment, a rubber film is adhered to the top of the fixed chassis bracket, and the rubber film supports the bottom of the drawer switch.

[0014] The technical effects and advantages of the present invention are as follows:

[0015] The 0.4kV distribution panel drawer switch connector safety detection device can separately conduct tests on the contact degree, insulation resistance, DC resistance, etc. of the drawer switch during the power outage maintenance of the specified drawer switch, and can effectively and quickly check the drawer switch plug-in unit and the molded case circuit breaker, reducing the power outage range and power outage time; after fixing the fixed busbar insulating bracket in front of the busbar, pull the clamping plate away from the connecting plate and hold it, then move the drawer switch to the rear side of the busbar channel and release the clamping plate, and the clamping plate will reset due to the action of the spring and cooperate with the connecting plate to clamp and fix the drawer switch, and the device can be quickly fixed on the corresponding side of the drawer switch, and the operation is simple and convenient; the 0.4kV distribution panel drawer switch connector safety detection device can effectively and quickly check the drawer switch plug-in unit and the molded case circuit breaker, and the installation and fixing operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 is the front view of the present invention;

[0018] Figure 2 is the left side sectional view of the present invention;

[0019] Figure 3 is the present inventionFigure 2 Enlarged view at position A in the figure.

[0020] In the figure:

[0021] 1. Fixed busbar insulation bracket; 2. Busbar; 3. Busbar channel; 4. Fixed chassis bracket; 5. Fixed bracket insulator; 6. Observation window for moving and static contacts of the connector; 7. Screw hole; 8. Connecting bolt; 9. Connecting plate; 10. Insert rod; 11. Clamping plate; 12. Connecting ring; 13. Spring; 14. Rubber pad; 15. Limiting part. Specific implementation manner

[0022] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some well-known technical features in the art are not described.

[0023] In order to effectively and quickly inspect the drawer switch plug-in unit and the molded case circuit breaker, as Figure 1 and Figure 2 ,, a safety detection device for the 0.4 kV distribution panel drawer switch connector includes: a drawer switch and a busbar channel 3, and the busbar channel 3 is supported on the front side of the drawer switch. A plurality of busbars 2 are symmetrically connected to the front side of the busbar channel 3. A quick detection mechanism is installed on the front side of the busbar 2. The quick detection mechanism includes a fixed busbar insulation bracket 1 connected between the front sides of the plurality of busbars 2. Two screw holes 7 are symmetrically opened on the front side of the busbar 2. A plurality of connecting bolts 8 corresponding to the screw holes are screwed side by side on the fixed busbar insulation bracket 1, and the connecting bolts 8 are screwed into the corresponding screw holes. A fixed chassis bracket 4 is supported between the bottom of the busbar 2 and the drawer switch. A rubber film is bonded to the top of the fixed chassis bracket 4, and the rubber film supports the bottom of the drawer switch to prevent the bottom of the drawer switch from being worn. The two symmetric ends of the fixed chassis bracket 4 are respectively located on both sides of the busbar channel 3. A fixed bracket insulator 5 is connected between the two ends of the fixed chassis bracket 4 and the corresponding side of the fixed busbar insulation bracket 1. The fixed bracket insulator 5 includes an insulating part connected to the front side of the fixed chassis bracket 4 and a fixed bolt screwed between the insulating part and the front side of the fixed busbar insulation bracket 1, which plays an insulating role. A plurality of observation windows 6 for moving and static contacts of the connector are evenly opened at the lower part of the front side of the busbar channel 3. Through the observation windows 66 for moving and static contacts of the connector, it is checked whether the connector is normally connected, whether there is any deviation or inclination. A connecting plate 9 is connected to the center of the top of the fixed busbar insulation bracket 1.

[0024] For the installation and fixation to be simple and convenient, as Figure 2 and Figure 3, a quick-fixing mechanism is installed on the rear side of the connecting plate 9. The quick-fixing mechanism includes two plug rods 10 symmetrically and fixedly inserted into the rear side of the upper part of the connecting plate 9. A limiting member 15 is bonded to one end of the plug rod 10 away from the connecting plate 9. The limiting member 15 can prevent the clamping plate 11 from detaching from the plug rod 10. A clamping plate 11 is movably sleeved between the two plug rods 10. A rubber pad 14 is bonded to the side of the clamping plate 11 close to the connecting plate 9, and the rubber pad 14 supports the inner wall of the corresponding side of the drawer switch, which can prevent the inner wall of the corresponding side of the drawer switch from being worn. A spring 13 is sleeved on the side wall of the plug rod 10. Both ends of the spring 13 are connected with connecting rings 12, and the two connecting rings 12 are respectively connected to the corresponding sides of the clamping plate 11 and the connecting plate 9 by screws.

[0025] Working principle: For this 0.4kV distribution panel drawer switch connector safety detection device, after fixing the fixed busbar insulation bracket 1 to the front side of the busbar 2 through the connecting bolt 8, pull the clamping plate 11 away from the connecting plate 9 and hold it. At this time, the spring 13 is in a stretched state. Then, move the drawer switch to the rear side of the busbar channel 3 and release the clamping plate 11. The clamping plate 11 will reset due to the action of the spring and cooperate with the connecting plate to clamp and fix the drawer switch, and the device can be quickly fixed to the corresponding side of the drawer switch, with simple and convenient operation; check whether the connector is normally connected through the connector moving and static contact window 6, and perform detection through a DC resistance tester. When a specified drawer switch is powered off for maintenance alone, tests such as contact degree, insulation resistance, and DC resistance can be carried out on the drawer switch, which can effectively and quickly check the drawer switch plug-in unit and molded case circuit breaker, and reduce the power outage range and power outage time.

[0026] In the present invention, the terms "connection" and "fixation" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as a limitation of the present invention.

[0028] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A safety detection device for the plug-in connector of a 0.4 kV distribution panel drawer switch, comprising: Drawer switch and busbar channel (3), and the busbar channel (3) is supported on the front side of the drawer switch. A plurality of busbars (2) are symmetrically connected to the front side of the busbar channel (3), and a quick detection mechanism is installed on the front side of the busbar (2). It is characterized in that: the quick detection mechanism includes a fixed busbar insulating bracket (1) connected between the front sides of a plurality of busbars (2) and a fixed chassis bracket (4) supported between the busbar (2) and the bottom of the drawer switch. The two symmetrical ends of the fixed chassis bracket (4) are respectively located on both sides of the busbar channel (3). Fixed support insulators (5) are connected between the two ends of the fixed chassis bracket (4) and the corresponding sides of the fixed busbar insulating bracket (1). A plurality of plug-in unit moving and static contact observation windows (6) are evenly opened in the lower part of the front side of the busbar channel (3). The center of the top of the fixed busbar insulating bracket (1) is connected with a connecting plate (9). A quick fixing mechanism is installed on the rear side of the connecting plate (9). The quick fixing mechanism includes two plug rods (10) symmetrically connected to the rear side of the upper part of the connecting plate (9) and a clamping plate (11) movably sleeved between the two plug rods (10). A spring (13) is sleeved on the side wall of the plug rod (10). Both ends of the spring (13) are connected with connecting rings (12), and the two connecting rings (12) are respectively connected to the corresponding sides of the clamping plate (11) and the connecting plate (9). A limiting member (15) is connected to the end of the plug rod (10) away from the connecting plate (9). A rubber pad (14) is bonded to the side of the clamping plate (11) close to the connecting plate (9), and the rubber pad (14) supports the inner wall of the corresponding side of the drawer switch. The fixed support insulator (5) includes an insulating member connected to the front side of the fixed chassis bracket (4) and a fixing bolt screwed between the insulating member and the front side of the fixed busbar insulating bracket (1). A rubber film is bonded to the top of the fixed chassis bracket (4), and the rubber film supports the bottom of the drawer switch.

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