Pluggable intermediate relay
The plug-in relay design with insulating features and secure locking mechanisms addresses insulation deficiencies, enhancing safety and system integrity by preventing moisture ingress and electrical hazards.
Patent Information
- Application Number
- CN202421946407.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The existing plug-in and unplugged intermediate relays lack insulation protection during the plug-in and unplugged process, resulting in a reduction in the safety of the electrical system, increasing the risk of electric shock, and endangering personnel safety.
A plug-in and unplugged intermediate relay with structures including insulating shell, split-line jack, rotational damping, inner insulating gasket, waterproof insertion seat, etc. is designed. The rotation of the positioning frame is restricted by rotary damping, and the inner insulating gasket clamps the relay body, and the waterproof insertion seat prevents humid gas from entering, ensuring insulation.
It improves the insulation protection effect of plug-in and unplugged intermediate relays, reduces the risk of current leakage, and ensures the safety of equipment and personnel.
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Figure CN223108781U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of intermediate relays and relates to a plug-in type intermediate relay. Background Art
[0002] The main function of the intermediate relay is to transmit signals and control multiple circuits at the same time. It can amplify low voltage (current) signals to control the output of high power loads and realize current separation, conversion and amplification. In addition, the intermediate relay can also isolate the input and output circuits so that they have independent power supplies to avoid mutual interference. When the intermediate relay loses its insulation protection effect during the plug-in process, it may cause a series of serious problems, which not only affect the normal operation of the equipment, but also pose a threat to personnel safety:
[0003] The lack of insulation protection will directly reduce the safety of the electrical system. The current may flow to the outside of the equipment, increasing the risk of electric shock. This is extremely dangerous for nearby workers, because electric shock may cause serious injuries or even life-threatening. Therefore, a plug-in intermediate relay is urgently needed to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a plug-in intermediate relay to solve the problems raised in the above-mentioned background technology.
[0005] The utility model is realized by the following technical scheme: a plug-in intermediate relay, comprising: an insulating housing and a control coil, wherein a group of branch line jacks for conducting current branch lines are provided at the upper left end of the insulating housing;
[0006] The upper right end of the branch line socket 1 is provided with a plurality of groups of branch line sockets 2 for conducting the current branch line, and the upper right end of the branch line socket 2 is provided with a group of branch line sockets 3 for conducting the current branch line;
[0007] A group of plug-in terminals are provided in the middle of the insulating shell to facilitate the plugging of the relay body, and a group of rotation damping for limiting the rotation of the positioning frame is provided on the front and back sides of the right side of the plug-in terminals. The rotation damping can limit the rotation of the positioning frame.
[0008] As a preferred embodiment, both groups of rotating outer sides are provided with a group of positioning frames for limiting the position of the outer side of the relay body, and a group of inner insulating gaskets for protectively clamping the relay body are provided on the inner side of the upper end of the middle position of the positioning frame, and the relay body can be protectively clamped by using the inner insulating gaskets.
[0009] As a preferred embodiment, a set of relay bodies for transmitting signals and simultaneously controlling multiple circuits is provided inside the lower end of the inner insulating gasket. A set of control coils for changing the working state of the control circuit is provided inside the relay bodies, and the working state of the control circuit can be changed by using the control coils.
[0010] As a preferred embodiment, a set of insulating bases for insulating protection of the lower end of the relay body is provided at the lower end of the relay body. A set of waterproof sockets for preventing the entry of humid gas is provided at the lower end of the middle position of the relay body, and the entry of humid gas can be prevented by using the waterproof sockets.
[0011] As a preferred embodiment, a number of plug connectors for plugging into the socket are provided at the lower end of the waterproof socket. A socket for mutually plugging with the relay body is provided inside the upper end of the plug connectors.
[0012] As a preferred embodiment, the positioning frame is made of an insulating carbon fiber material, and both the front and rear sides of the lower end of the positioning frame are respectively movably connected with a set of rotary dampers.
[0013] As a preferred embodiment, the specifications of the first wire-splitting jack, the second wire-splitting jack, and the third wire-splitting jack are the same, and they are all a kind of relay contacts. The internal conductive metal parts of the first wire-splitting jack, the second wire-splitting jack, and the third wire-splitting jack are all made of metal copper material.
[0014] After adopting the above technical solutions, the beneficial effects of the present utility model are: the rotation of the positioning frame is restricted by using the rotary damper, the relay body is protectively clamped by using the inner insulating gasket, the working state of the control circuit is changed by using the control coil, and the entry of humid gas is prevented by using the waterproof socket. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.
[0016] Figure 1 It is a left front oblique top view structural schematic diagram of a pluggable intermediate relay of the present utility model;
[0017] Figure 2 It is a rear top view structural schematic diagram of the positioning frame and the insulating housing in a pluggable intermediate relay of the present utility model;
[0018] Figure 3This is a schematic diagram of the front structure of a relay body in a plug-in intermediate relay of the utility model;
[0019] In the figure: 100-insulating shell, 110-branching socket one, 120-branching socket two, 130-branching socket three, 140-plug head, 150-rotation damper, 160-positioning frame, 170-relay body, 180-plug connector, 190-plug socket, 200-inner insulating gasket, 210-insulating lining seat, 220-waterproof embedded seat, 230-control coil. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figures 1 - 3 A plug-in intermediate relay comprises: an insulating housing 100 and a control coil 230, wherein a group of branch line jacks 110 for conducting current branch lines are provided at the upper left end of the insulating housing 100;
[0022] A plurality of groups of second branch line sockets 120 for conducting current branch lines are provided at the upper right end of the first branch line socket 110, and a group of third branch line sockets 130 for conducting current branch lines are provided at the upper right end of the second branch line socket 120;
[0023] A group of plug connectors 140 are provided in the middle of the insulating shell 100 for facilitating the plugging of the relay body 170 , and a group of rotation dampers 150 are provided on the front and rear sides of the right inner side of the plug connector 140 for limiting the rotation of the positioning frame 160 . The rotation dampers 150 can be used to limit the rotation of the positioning frame 160 .
[0024] Both rotating outer sides are provided with a positioning frame 160 for limiting the position of the outer side of the relay body 170, and the inner side of the upper end of the middle position of the positioning frame 160 is provided with a group of inner insulating gaskets 200 for protectively clamping the relay body 170. The relay body 170 can be protectively clamped by using the inner insulating gaskets 200.
[0025] A group of relay bodies 170 for transmitting signals and controlling multiple circuits simultaneously are provided on the inner side of the lower end of the inner insulating gasket 200. A group of control coils 230 for changing the working state of the control circuit are provided inside the relay body 170. The working state of the control circuit can be changed by using the control coils 230.
[0026] A set of insulating bases 210 for insulating protection of the lower end of the relay body 170 are provided at the lower end of the relay body 170, and a set of waterproof sockets 220 for preventing humid gas from entering are provided at the lower end of the middle position of the relay body 170, and the waterproof sockets 220 can be used to prevent humid gas from entering.
[0027] Several sets of plug connectors 180 for plugging into the socket 190 are provided at the lower end of the waterproof socket 220, and a socket 190 for mutually plugging with the relay body 170 is provided inside the upper end of the plug wire head 140.
[0028] The positioning frame 160 is made of an insulating carbon fiber material, and both the front and rear sides of the lower end of the positioning frame 160 are respectively movably connected to a set of rotary dampers 150.
[0029] The first split wire jack 110, the second split wire jack 120, and the third split wire jack 130 have the same specifications and are all a kind of relay contact, and the internal conductive metal parts of the first split wire jack, the second split wire jack 120, and the third split wire jack 130 are all made of metal copper material.
[0030] Please refer to Figures 1 - 3 , as the first embodiment of the present utility model: To solve the problem that the lack of insulation protection effect will directly reduce the safety of the electrical system. The current may leak to the outside of the device, increasing the risk of electric shock. For the nearby staff, this is extremely dangerous because electric shock may cause serious injuries or even life-threatening. When the user uses the present utility model, first insert the relay body 170 into the insertion hole inside the upper end of the plug wire head 140, and make several sets of plug connectors 180 correspond to several sets of sockets 190 for corresponding plugging. After the relay body 170 is inserted into the plug wire head 140 inside the insulating housing 100, its insulating main body can perform insulation operation externally. Since a set of inner insulating gaskets 200 for protectively clamping the relay body 170 are provided inside the upper end of the middle position of the positioning frame 160, the inner insulating gaskets 200 can be used to protectively clamp the relay body 170. When the user plugs and unpluggs the relay body 170, the same inner insulating gaskets 200 can reserve the safe plugging and unplugging length of the plug wire head 140 to prevent the user from getting an electric shock.
[0031] Please refer to Figures 1 - 3, as the second embodiment of the present utility model: based on the description in the above embodiments, further, after the relay body 170 is inserted into the plug hole inside the upper end of the plug head 140, the staff rotates and surrounds the positioning frame 160 from the right outer end of the relay body 170, and after the positioning frame 160 and the upper end of the relay body 170 are engaged with each other and positioned, the positioning frame 160 can limit the position of the relay body 170. At the same time, since a group of rotation dampers 150 for limiting the rotation of the positioning frame 160 are provided on the front and rear sides of the right side of the plug head 140, the two groups of rotation dampers 150 can reversely support the engagement force of the positioning frame 160 to ensure the stable use of the intermediate relay.
[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A pluggable intermediate relay, comprising: An insulating housing (100), a relay body (170), a plug connector (180) and a control coil (230), characterized in that: a group of branch line jacks (110) for conducting current branch lines are provided at the upper left end of the insulating housing (100); The upper right end of the branch line jack 1 (110) is provided with a plurality of groups of branch line jacks 2 (120) for conducting the current branch line, and the upper right end of the branch line jack 2 (120) is provided with a group of branch line jacks 3 (130) for conducting the current branch line; A group of plug-in heads (140) for facilitating the plugging of the relay body (170) is provided in the middle of the insulating housing (100), and a group of rotation dampers (150) for limiting the rotation of the positioning frame (160) are provided on both the front and rear sides of the right side of the plug-in head (140).
2. The pluggable intermediate relay according to claim 1, wherein: A group of positioning frames (160) for limiting the position of the outside of the relay body (170) is provided on the outside of the two groups of rotation dampers (150), and a group of inner insulating gaskets (200) for protectively clamping the relay body (170) is provided on the inner side of the upper end of the middle position of the positioning frames (160).
3. The pluggable intermediate relay according to claim 2, wherein: A group of relay bodies (170) for transmitting signals and controlling multiple circuits simultaneously are provided on the inner side of the lower end of the inner insulating gasket (200), and a group of control coils (230) for changing the working state of the control circuit are provided inside the relay body (170).
4. The pluggable intermediate relay according to claim 3, characterized in that: A group of insulating seats (210) for insulating and protecting the lower end of the relay body (170) is provided at the lower end of the relay body (170), and a group of waterproof inserts (220) for preventing moisture from entering is provided at the lower end of the middle position of the relay body (170).
5. A pluggable intermediate relay according to claim 4, characterized in that: The lower end of the waterproof insert (220) is provided with a plurality of groups of plug connectors (180) for plugging into the plug socket (190), and the upper end of the plug head (140) is provided with a plug socket (190) for plugging into the relay body (170).
6. The pluggable intermediate relay according to claim 2, wherein: The positioning frame (160) is made of an insulating carbon fiber material, and the front and rear sides of the lower end of the positioning frame (160) are movably connected to a set of rotation dampers (150) respectively.
7. The pluggable intermediate relay according to claim 1, characterized in that: The branch line jack one (110), the branch line jack two (120) and the branch line jack three (130) have the same specifications and are all relay contacts. The internal conductive metal parts of the branch line jack, the branch line jack two (120) and the branch line jack three (130) are all made of metal copper material.
Citation Information
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