CN221766647U - A high voltage DC relay - Google Patents

Abstract

The present application relates to the field of relays and discloses a high-voltage DC relay, comprising a shell, the upper surface of which is fixedly connected with a connecting piece, the upper surface of which is fixedly connected with a ceramic cover through the connecting piece, both sides of the upper surface of the ceramic cover are fixedly connected with a static contact mechanism, and a slide groove is provided on one side of the interior of the static contact mechanism; the present application compresses the fixed block through a spring, limits the connecting rod inside the static contact mechanism through two limit blocks, connects with the conductive column through two moving contacts, connects the conductive column with the coil body through a connecting ring, and then pushes the connecting rod through the spring inside the static contact mechanism, thereby driving the conductive contact to contact the moving contact, so that the conductive contact and the moving contact are always in contact, achieving the effect of enabling the two conductive contacts to always contact the surface of the moving contact and preventing poor contact between the moving contact and the conductive contact.

Description

A high voltage DC relay

Technical Field

The present application relates to the field of relays, and in particular to a high-voltage direct current relay.

Background Art

A relay is an electronic control device, usually used in automatic control circuits. It is an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays the role of automatic adjustment, safety protection, and circuit conversion in the circuit. A high-voltage DC relay is a relay that can automatically handle high power. Under conditions of high voltage and high current, it still has the characteristics of reliability and long service life that conventional relays cannot match. It is widely used in various fields, such as in the field of new energy vehicles.

Existing high-voltage DC relays mostly control the circuit by driving the moving contact to contact the static contact through the coil body. However, after long-term use, the moving contact is prone to loosening, resulting in poor contact with the static contact.

The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field.

Utility Model Content

In order to solve the problem of poor contact between contacts, the present application provides a high-voltage DC relay.

The present application provides a high voltage DC relay adopting the following technical solution:

A high-voltage DC relay comprises a shell, the upper surface of the shell is fixedly connected with a connecting piece, the upper surface of the shell is fixedly connected with a ceramic cover through the connecting piece, both sides of the upper surface of the ceramic cover are fixedly connected with static contact mechanisms, one side of the interior of the static contact mechanism is provided with a slide groove, the interior of the static contact mechanism is provided with limiting grooves corresponding to both sides of the slide groove, one side of the interior of the limiting groove is slidably connected with a limiting block, one side of the interior of the static contact mechanism is fixedly connected with a spring, and the interior of the static contact mechanism is slidably connected with a connecting rod through the spring, the slide groove and the two limiting blocks.

Preferably, a fixing block is fixedly connected to one side of the connecting rod, and a conductive contact is fixedly connected to one side of the lower surface of the fixing block.

Preferably, a coil body is fixedly connected to one side of the interior of the shell, and a connecting ring is fixedly connected to the center position of the upper surface of the coil body.

Preferably, the upper surface of the coil body is fixedly connected to a conductive column via the connecting ring, and both sides of the outer wall of the conductive column are fixedly connected to moving contacts.

Preferably, a first positioning plate is fixedly connected to one side of the outer wall of the shell, and a second positioning plate is fixedly connected to the side of the outer wall of the shell corresponding to the first positioning plate.

In summary, this application includes the following beneficial technical effects:

The fixed block is squeezed by a spring, the connecting rod is restricted inside the static contact mechanism by two limit blocks, connected to the conductive column by two moving contacts, connected to the coil body by a connecting ring, and then the connecting rod is pushed by a spring inside the static contact mechanism, connected to the conductive contact by the connecting rod, thereby driving the conductive contact to contact the moving contact, so that the conductive contact and the moving contact are always in contact; compared with the prior art, the method has the effect of enabling the two conductive contacts to always contact the surface of the moving contact, thereby preventing poor contact between the moving contact and the conductive contact.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a relay according to an embodiment of the present invention;

FIG2 is a schematic structural diagram of a cross-section of a relay according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a cross section of a stationary contact mechanism according to an embodiment of the application.

Explanation of the accompanying drawings: 1. Shell; 2. First positioning plate; 3. Second positioning plate; 4. Connecting plate; 5. Ceramic cover; 6. Static contact mechanism; 7. Coil body; 8. Connecting ring; 9. Conductive column; 10. Moving contact; 11. Fixed block; 12. Conductive contact; 13. Spring; 14. Slide groove; 15. Limiting groove; 16. Limiting block; 17. Connecting rod.

DETAILED DESCRIPTION

The present application is further described in detail below in conjunction with Figures 1-3.

The embodiment of the present application discloses a high-voltage DC relay. Referring to Fig. 1, Fig. 2 and Fig. 3, a high-voltage DC relay, on the upper surface of the housing 1, a connecting piece 4 is fixedly connected through one side thereof, on the upper surface of the housing 1, a ceramic cover 5 is fixedly connected through one side thereof through the connecting piece 4, on the upper surface of the ceramic cover 5, a static contact mechanism 6 is fixedly connected through both sides thereof, in the interior of the static contact mechanism 6, a slide groove 14 is provided through one side thereof, in the interior of the static contact mechanism 6, a limiting groove 15 is provided through both sides thereof corresponding to the slide groove 14, in the interior of the limiting groove 15, a limiting block 16 is slidably connected through one side thereof, in the interior of the static contact mechanism 6, a spring 13 is fixedly connected through one side thereof, and in the interior of the static contact mechanism 6, a connecting rod 17 is slidably connected through the spring 13, the slide groove 14 and two limiting blocks 16.

2 and 3 , a fixing block 11 is fixedly connected to one side of the connecting rod 17, and a conductive contact 12 is fixedly connected to the lower surface of the fixing block 11 through one side thereof. The size of the limit block 16 is adapted to the size of the limit groove 15, and the connecting rod 17 is connected through two limit blocks 16, and the connecting rod 17 is connected through a spring 13, so that the spring 13 squeezes the fixing block 11, and the connecting rod 17 is restricted inside the static contact mechanism 6 through the two limit blocks 16, so as to avoid the connecting rod 17 from loosening and tilting after long-term use, thereby achieving the effect of avoiding the connecting rod 17 from tilting.

2 , a coil body 7 is fixedly connected to the inside of the housing 1 through one side thereof, and a connecting ring 8 is fixedly connected to the upper surface of the coil body 7 through the center position thereof.

2 , a conductive column 9 is fixedly connected to the upper surface of the coil body 7 via a connecting ring 8, and moving contacts 10 are fixedly connected to the outer wall of the conductive column 9 via both sides thereof. The two moving contacts 10 are connected to the conductive column 9, and the conductive column 9 is connected to the coil body 7 via the connecting ring 8. The connecting rod 17 is pushed by the spring 13 inside the static contact mechanism 6 to move the connecting rod 17, and is connected to the conductive contact 12 via the connecting rod 17, so as to drive the conductive contact 12 to contact the moving contact 10, so that the conductive contact 12 is always in contact with the moving contact 10, which facilitates the normal operation of the device and achieves the effect of facilitating the conductive contact 12 to always be in contact with the moving contact 10.

Referring to Figure 1, a first positioning plate 2 is fixedly connected to the outer wall of the shell 1 through one side thereof, and a second positioning plate 3 is fixedly connected to the outer wall of the shell 1 through the side corresponding to the first positioning plate 2. The first positioning plate 2 and the second positioning plate 3 are aligned so that the shell 1 is installed and fixed through the first positioning plate 2 and the second positioning plate 3.

The implementation principle of a high-voltage DC relay in an embodiment of the present application is as follows: the fixing block 11 is squeezed by a spring 13, and the connecting rod 17 is restricted inside the static contact mechanism 6 by two limit blocks 16 to prevent the connecting rod 17 from loosening and tilting after long-term use; the two moving contacts 10 are connected to the conductive column 9, and the conductive column 9 is connected to the coil body 7 by a connecting ring 8; the connecting rod 17 is pushed by the spring 13 inside the static contact mechanism 6 to push the connecting rod 17 to move, and the connecting rod 17 is connected to the conductive contact 12 to drive the conductive contact 12 to contact the moving contact 10, so that the conductive contact 12 and the moving contact 10 are always in contact.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims (5)

1. The utility model provides a high voltage direct current relay, includes casing (1), its characterized in that: the utility model discloses a high-voltage power supply device, including casing (1), connecting piece (4) of upper surface fixedly connected with of casing (1), the upper surface of casing (1) passes through connecting piece (4) fixedly connected with ceramic cover (5), all fixedly connected with stationary contact mechanism (6) in upper surface both sides of ceramic cover (5), spout (14) have been seted up to inside one side of stationary contact mechanism (6), limit groove (15) have all been seted up to inside of stationary contact mechanism (6) corresponding spout (14) both sides, inside one side sliding connection of limit groove (15) has stopper (16), inside one side fixedly connected with spring (13) of stationary contact mechanism (6), the inside of stationary contact mechanism (6) is passed through spring (13) spout (14) and two stopper (16) sliding connection has connecting rod (17).

2. A high voltage dc relay according to claim 1, wherein: one side of the connecting rod (17) is fixedly connected with a fixed block (11), and one side of the lower surface of the fixed block (11) is fixedly connected with a conductive contact (12).

3. A high voltage dc relay according to claim 1, wherein: the coil is characterized in that one side of the interior of the shell (1) is fixedly connected with a coil body (7), and a connecting ring (8) is fixedly connected to the center of the upper surface of the coil body (7).

4. A high voltage dc relay according to claim 3, wherein: the upper surface of the coil body (7) is fixedly connected with a conductive column (9) through the connecting ring (8), and both sides of the outer wall of the conductive column (9) are fixedly connected with movable contacts (10).

5. A high voltage dc relay according to claim 1, wherein: the novel portable electronic device is characterized in that a first locating plate (2) is fixedly connected to one side of the outer wall of the shell (1), and a second locating plate (3) is fixedly connected to one side of the outer wall of the shell (1) corresponding to the first locating plate (2).