CN219696353U - High-voltage direct-current relay adopting magnetic steel driving reed switch as auxiliary contact - Google Patents
High-voltage direct-current relay adopting magnetic steel driving reed switch as auxiliary contact Download PDFInfo
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- CN219696353U CN219696353U CN202321323347.0U CN202321323347U CN219696353U CN 219696353 U CN219696353 U CN 219696353U CN 202321323347 U CN202321323347 U CN 202321323347U CN 219696353 U CN219696353 U CN 219696353U
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- auxiliary contact
- reed pipe
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- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 239000000919 ceramic Substances 0.000 claims abstract description 39
- 230000004308 accommodation Effects 0.000 claims 2
- 230000003068 static effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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Abstract
The utility model relates to a high-voltage direct-current relay adopting a magnetic steel driving reed switch as an auxiliary contact, which comprises a shell, an electromagnetic driving mechanism, a ceramic cover arranged on the electromagnetic driving mechanism and a contact assembly arranged in the ceramic cover, wherein the contact assembly comprises a bracket in linkage fit with the electromagnetic driving mechanism, a moving contact and two fixed contacts which are arranged on the bracket in linkage, the bracket is provided with magnetic steel in linkage, the outer wall of the ceramic cover is provided with a reed switch assembly matched with the magnetic steel, and when the bracket performs opening and closing actions, the magnetic steel acts along with the bracket and can trigger the reed switch assembly to realize the connection or disconnection of the reed switch assembly. The utility model has the advantages of simple structure, stable and reliable performance, large creepage distance, good insulating property and high safety.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to a high-voltage direct-current relay adopting a magnetic steel driving reed switch as an auxiliary contact.
Background
The relay is used as an electronic control device, and the medium (tool) used has electricity, light, magnetism, heat and the like (i.e. input quantity), and the transmission and control are circuits or signals (i.e. output quantity), and the relay is provided with a control system (also known as an input loop) and a controlled system (also known as an output loop), and the two loops are coupled through an internal mechanical or electronic device to realize linkage of states of the two loops. Relays are commonly used in automatic control circuits. The automatic switch is equivalent to an automatic switch, and plays roles of automatic adjustment, safety protection, circuit switching and the like in a circuit. Along with the rapid development of new energy industry, the high-voltage direct-current relay is widely applied to the fields of new energy automobiles, charging corollary equipment, photovoltaic/wind power generation systems, engineering vehicles, UPS and the like. At present, auxiliary contact requirements are met for a charging pile and a high-voltage direct-current relay for energy storage. For example, chinese patent 202122302244.3 discloses a high-voltage direct current relay with auxiliary contacts, wherein the auxiliary contact structure is that two auxiliary contacts are arranged in a sealed cavity of a ceramic cover, leading-out ends of the two auxiliary contacts are fixed on a top wall of the ceramic cover, and the bottom ends of leading-out ends outside the ceramic cover need to be extended into the sealed cavity of the ceramic cover, so that the two auxiliary contacts can be connected with the inside and the outside of the leading-out ends, and the auxiliary contact structure has the defects that the auxiliary contacts (low-voltage part) cannot be separated from a contact assembly (high-voltage part) in the ceramic cover, the creepage distance is not well controlled, and meanwhile, the ceramic cover also has a leakage risk and low safety performance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the high-voltage direct-current relay which adopts the magnetic steel driving reed switch as an auxiliary contact and has the advantages of simple structure, stable and reliable performance, large creepage distance, good insulating property and high safety.
In order to achieve the above purpose, the utility model adopts the high-voltage direct current relay adopting the magnetic steel to drive the reed pipe as the auxiliary contact, and the high-voltage direct current relay comprises a shell, an electromagnetic driving mechanism, a ceramic cover arranged on the electromagnetic driving mechanism and a contact component arranged in the ceramic cover, wherein the contact component comprises a bracket in linkage fit with the electromagnetic driving mechanism, a moving contact and two fixed contacts which are arranged on the bracket in linkage, the bracket is provided with the magnetic steel in linkage, the outer wall of the ceramic cover is provided with the reed pipe component matched with the magnetic steel, and when the bracket executes opening and closing actions, the magnetic steel acts along with the bracket and can trigger the reed pipe component to realize the connection or disconnection of the reed pipe component.
The beneficial effects of the structure are as follows: the magnetic steel is adopted to trigger the reed pipe, so that the reed pipe is connected or disconnected, the auxiliary contact function of the high-voltage direct-current relay can be realized, the magnetic steel and the reed pipe assembly are separated inside and outside the ceramic cover, the reed pipe assembly (low-voltage part) is separated from the contact assembly (high-voltage part) in the ceramic cover, the creepage distance is large, the insulating property is better, the magnetic steel is not connected with the reed pipe assembly through a leading-out end, the sealing property of the ceramic cover is better, the leakage risk is avoided, and the safety performance is higher. Therefore, the high-voltage direct-current relay has the advantages of simple structure, stable and reliable performance, large creepage distance, good insulating property and high safety.
The reed pipe assembly comprises a fixed frame, a reed pipe and a lead-out wire, wherein the fixed frame is arranged on the outer wall of the ceramic cover at the position between the two fixed contacts, the reed pipe is arranged in the fixed frame, one end of the lead-out wire is connected to the reed pipe, and the other end of the lead-out wire extends out of the shell. The reed pipe assembly adopts a modularized structural design, so that the reed pipe assembly and the ceramic cover are convenient to assemble, and the assembly efficiency is higher.
Particularly, the fixing frame is provided with a positioning groove matched with the reed pipe, the reed pipe is clamped in the positioning groove, and the reed pipe is clamped and matched with the fixing frame. The reed switch is clamped in the positioning groove of the fixing frame, so that the reed switch and the fixing frame are convenient to assemble, and the assembling efficiency is higher.
Specifically, two ends of the fixing frame are respectively provided with a clamping arm, and the two clamping arms are respectively clamped on two sides of the ceramic cover and form clamping fit between the fixing frame and the ceramic cover. The fixing frame and the ceramic cover are assembled in a clamping and matching mode, so that the modular assembly of the reed switch assembly and the ceramic cover can be realized, and the assembly is more convenient.
Particularly, a shielding plate for placing magnetic steel is arranged on the bracket. The shielding plate can play a shielding role, can avoid magnetic steel from interfering other parts of the relay, and is beneficial to improving the working reliability of the high-voltage direct-current relay.
Particularly, the shielding plate is provided with a containing groove matched with the magnetic steel, the magnetic steel is clamped in the containing groove, and the magnetic steel is matched with the shielding plate in a clamping way. The magnetic steel and the shielding plate are assembled in a clamping and matching mode, so that the assembly is more convenient.
Drawings
Fig. 1 is an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of an embodiment of the present utility model.
Fig. 3 is an exploded view of an embodiment of the present utility model.
Fig. 4 is an internal structural diagram of an embodiment of the present utility model.
Fig. 5 is a perspective view of a reed switch assembly according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 5, the embodiment of the utility model is a high-voltage direct current relay adopting a magnetic steel driving reed pipe as an auxiliary contact, which comprises a shell 10, an electromagnetic driving mechanism 11, a ceramic cover 12 arranged on the electromagnetic driving mechanism 11 and a contact assembly 20 arranged in the ceramic cover 12, wherein the contact assembly 20 comprises a bracket 21 in linkage fit with the electromagnetic driving mechanism 11, a moving contact 22 and two fixed contacts 23 in linkage arranged on the bracket 21, the bracket 21 is provided with magnetic steel 24 in linkage, the outer wall of the ceramic cover 12 is provided with a reed pipe assembly 30 matched with the magnetic steel 24, and when the bracket 21 performs opening and closing actions, the magnetic steel 24 acts along with the bracket 21 and can trigger the reed pipe assembly 30 to realize the connection or disconnection of the reed pipe assembly 30. The reed pipe assembly 30 comprises a fixed frame 31 arranged on the outer wall of the ceramic cover 12 corresponding to the position between the two fixed contacts 23, a reed pipe 32 arranged in the fixed frame 31, and a lead-out wire 33, wherein one end of the lead-out wire 33 is connected to the reed pipe 32, and the other end of the lead-out wire 33 extends out of the shell 10. The reed pipe assembly adopts a modularized structural design, so that the reed pipe assembly and the ceramic cover are convenient to assemble, and the assembly efficiency is higher. The fixing frame 31 is provided with a positioning groove 311 matched with the reed pipe 32, the reed pipe 32 is clamped in the positioning groove 311, and the reed pipe 32 is matched with the fixing frame 31 in a clamping way. The reed switch is clamped in the positioning groove of the fixing frame, so that the reed switch and the fixing frame are convenient to assemble, and the assembling efficiency is higher. The two ends of the fixing frame 31 are respectively provided with a clamping arm 312, and the two clamping arms 312 are respectively clamped on the two sides of the ceramic cover 12 and form clamping fit between the fixing frame and the ceramic cover. The fixing frame and the ceramic cover are assembled in a clamping and matching mode, so that the modular assembly of the reed switch assembly and the ceramic cover can be realized, and the assembly is more convenient.
As shown in fig. 2 and 4, the support 21 is provided with a shielding plate 25 for placing the magnetic steel 24. The shielding plate can play a shielding role, can avoid magnetic steel from interfering other parts of the relay, and is beneficial to improving the working reliability of the high-voltage direct-current relay. The shielding plate 25 is provided with a containing groove 251 matched with the magnetic steel 24, the magnetic steel 24 is clamped in the containing groove 251, and the magnetic steel 24 is matched with the shielding plate 25 in a clamping way. The magnetic steel and the shielding plate are assembled in a clamping and matching mode, so that the assembly is more convenient.
The magnetic steel is adopted to trigger the reed pipe, so that the reed pipe is connected or disconnected, the auxiliary contact function of the high-voltage direct-current relay can be realized, the magnetic steel and the reed pipe assembly are separated inside and outside the ceramic cover, the reed pipe assembly (low-voltage part) is separated from the contact assembly (high-voltage part) in the ceramic cover, the creepage distance is large, the insulating property is better, the magnetic steel is not connected with the reed pipe assembly through a leading-out end, the sealing property of the ceramic cover is better, the leakage risk is avoided, and the safety performance is higher. Therefore, the high-voltage direct-current relay has the advantages of simple structure, stable and reliable performance, large creepage distance, good insulating property and high safety.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides an adopt magnet steel drive tongue tube to be high-voltage direct current relay of auxiliary contact, includes casing, electromagnetic drive mechanism, sets up ceramic cover on electromagnetic drive mechanism, sets up the contact assembly in ceramic cover, contact assembly include with electromagnetic drive mechanism linkage complex support, linkage set up moving contact, two static contacts on the support, its characterized in that: the support on the linkage be provided with the magnet steel, ceramic cover outer wall on be provided with magnet steel matched with tongue tube assembly, the support when carrying out the divide-shut brake action, the magnet steel move and can trigger tongue tube assembly along with the support, realize the switch-on or the switch-off of tongue tube assembly.
2. The high voltage dc relay using a magnetic steel driven reed switch as an auxiliary contact according to claim 1, wherein: the reed pipe assembly comprises a fixed frame, a reed pipe and a lead-out wire, wherein the fixed frame is arranged on the outer wall of the ceramic cover, the reed pipe is arranged in the fixed frame, one end of the lead-out wire is connected to the reed pipe, and the other end of the lead-out wire extends out of the shell.
3. The high voltage direct current relay adopting the magnetic steel driving reed switch as an auxiliary contact according to claim 2, wherein: the fixing frame is provided with a positioning groove matched with the reed pipe, the reed pipe is clamped in the positioning groove, and the reed pipe is clamped and matched with the fixing frame.
4. The high voltage direct current relay adopting the magnetic steel driving reed switch as an auxiliary contact according to claim 2, wherein: the two ends of the fixing frame are respectively provided with a clamping arm, and the two clamping arms are respectively clamped on the two sides of the ceramic cover and form clamping fit between the fixing frame and the ceramic cover.
5. The high-voltage direct-current relay adopting the magnetic steel driving reed switch as an auxiliary contact according to claim 1 or 2, wherein: the support on be provided with the shield plate that is used for placing the magnet steel.
6. The high voltage dc relay using a magnetic steel driven reed switch as an auxiliary contact according to claim 5, wherein: the shielding plate on be provided with magnet steel matched with accommodation groove, the magnet steel block in the accommodation groove, and constitute magnet steel and shielding plate's joint cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323347.0U CN219696353U (en) | 2023-05-27 | 2023-05-27 | High-voltage direct-current relay adopting magnetic steel driving reed switch as auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323347.0U CN219696353U (en) | 2023-05-27 | 2023-05-27 | High-voltage direct-current relay adopting magnetic steel driving reed switch as auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696353U true CN219696353U (en) | 2023-09-15 |
Family
ID=87939675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321323347.0U Active CN219696353U (en) | 2023-05-27 | 2023-05-27 | High-voltage direct-current relay adopting magnetic steel driving reed switch as auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696353U (en) |
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2023
- 2023-05-27 CN CN202321323347.0U patent/CN219696353U/en active Active
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