CN108630492B - High-voltage relay - Google Patents
High-voltage relay Download PDFInfo
- Publication number
- CN108630492B CN108630492B CN201810596752.7A CN201810596752A CN108630492B CN 108630492 B CN108630492 B CN 108630492B CN 201810596752 A CN201810596752 A CN 201810596752A CN 108630492 B CN108630492 B CN 108630492B
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- resistor
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- comparator
- transformer
- terminal
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- 239000003990 capacitor Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
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- Relay Circuits (AREA)
Abstract
The invention relates to the technical field of relays, in particular to a novel high-voltage relay which comprises a relay J, wherein the control end of the relay J is connected with the output end of a transformer T; the power supply circuit further comprises an anode terminal and a cathode terminal, the anode terminal and the cathode terminal are connected with the input end of a comparator, the output end of the comparator is connected with the input end of an oscillator, the output end of the oscillator is connected with the input end of a transistor Q, and the output end of the transistor Q is connected with the input end of a transformer T. By adopting the structure, the safety and stability of the high-voltage relay can be effectively improved by adding the combination of the comparator and the oscillator at the front end of the high-voltage relay; in addition, stability of the high-voltage relay can be further improved through the arrangement of the transformer.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a high-voltage relay.
Background
A high-voltage relay is an electric appliance in which a controlled amount is changed in a predetermined step in an electric output circuit when a change in an input amount (excitation amount) of a high-voltage circuit reaches a predetermined requirement.
The existing high-voltage direct-current relay comprises a movable contact point assembly and a stationary contact point assembly, wherein the movable contact point and the stationary contact point are positioned in a frame with an inner cavity, the frame is generally a plastic frame or a ceramic frame with the inner cavity, the lower edge of the frame is fixed with a yoke plate of the relay, and the stationary contact point assembly is supported on the frame. The plastic frame has supporting strength under normal temperature, and can support the static contact assembly, but when the high-voltage direct-current relay is used, the plastic frame is softened under the influence of temperature, parameters are changed, and the service life of the high-voltage direct-current relay using the plastic frame is short, so that the high-voltage direct-current relay is used under the influence of use; the ceramic frame has better supporting strength, but the ceramic frame is fixed with the yoke plate, and has complex structure, complex process and higher defective rate, so that the manufacturing cost is higher and the reliability is lower.
Chinese patent CN 105826131A discloses a high-voltage dc relay, which comprises a yoke plate, a stationary contact assembly and a movable contact assembly, wherein the stationary contact assembly is arranged above the yoke plate, the stationary contact assembly comprises a lead-out end and a stationary contact, the movable contact assembly comprises a reed and a movable contact, a positioning plate is arranged on the upper side of the yoke plate, the positioning plate forms an upwardly extending positioning frame, a metal magnetic conduction clamp with a surrounding structure is arranged on the periphery of the positioning frame, the upper end of the metal magnetic conduction clamp abuts against an insulating plate, the yoke plate and the insulating plate are fixed by a fastener so as to limit the metal magnetic conduction clamp between the yoke plate and the insulating plate, the metal magnetic conduction clamp and the yoke plate form a chamber for accommodating the stationary contact assembly and the movable contact assembly.
Disclosure of Invention
The invention aims to provide a high-voltage relay with high safety performance.
In order to solve the technical problems, the high-voltage relay comprises a relay J, wherein the control end of the relay J is connected with the output end of a transformer T; the power supply circuit further comprises an anode terminal and a cathode terminal, the anode terminal and the cathode terminal are connected with the input end of a comparator, the output end of the comparator is connected with the input end of an oscillator, the output end of the oscillator is connected with the input end of a transistor Q, and the output end of the transistor Q is connected with the input end of a transformer T.
Further, a series circuit of a resistor R1 and a resistor R2 is connected between the positive terminal and the negative terminal, and a middle connection point of the resistor R1 and the resistor R2 is connected with the positive input end of the comparator; and a series circuit of a resistor R3 and a zener diode D1 is connected between the positive terminal and the negative terminal, and the middle connection point of the resistor R3 and the zener diode D1 is connected with the negative input end of the comparator.
Further, the comparator is connected to the positive terminal through a resistor R4, and the comparator is connected to the negative terminal.
Further, the oscillator is connected to the positive terminal through a resistor R5, and the oscillator is connected to the negative terminal.
Further, the positive input end of the transformer T is connected with the positive terminal through a resistor Rp, and the negative input end of the transformer T is connected with the output end of the transistor Q.
Further, the positive electrode output end of the transformer T is connected with the positive electrode of the diode D2, and the negative electrode of the diode D2 and the negative electrode output end of the transformer T are connected with the control end of the relay J.
Furthermore, a capacitor C1 is connected in parallel with the control end of the relay J.
By adopting the structure, the safety and stability of the high-voltage relay can be effectively improved by adding the combination of the comparator and the oscillator at the front end of the high-voltage relay; in addition, stability of the high-voltage relay can be further improved through the arrangement of the transformer.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic circuit diagram of a high voltage relay of the present invention.
In the figure: 1 is a comparator, 2 is an oscillator
Detailed Description
As shown in fig. 1, the high-voltage relay comprises a relay J, wherein the control end of the relay J is connected with the output end of a transformer T; the high-voltage power supply circuit further comprises an anode terminal and a cathode terminal, the anode terminal and the cathode terminal are connected with the input end of the comparator 1, the output end of the comparator 1 is connected with the input end of the oscillator 2, the output end of the oscillator 2 is connected with the input end of the transistor Q, and the output end of the transistor Q is connected with the input end of the transformer T.
Further, a series circuit of a resistor R1 and a resistor R2 is connected between the positive terminal and the negative terminal, and a middle connection point of the resistor R1 and the resistor R2 is connected with the positive input end of the comparator; and a series circuit of a resistor R3 and a zener diode D1 is connected between the positive terminal and the negative terminal, and the middle connection point of the resistor R3 and the zener diode D1 is connected with the negative input end of the comparator.
Further, the comparator is connected to the positive terminal through a resistor R4, and the comparator is connected to the negative terminal. The oscillator is connected with the positive terminal through a resistor R5, and the oscillator is connected with the negative terminal.
Further, the positive input end of the transformer T is connected with the positive terminal through a resistor Rp, and the negative input end of the transformer T is connected with the output end of the transistor Q.
Further, the positive electrode output end of the transformer T is connected with the positive electrode of the diode D2, and the negative electrode of the diode D2 and the negative electrode output end of the transformer T are connected with the control end of the relay J. Furthermore, a capacitor C1 is connected in parallel with the control end of the relay J.
While particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely illustrative, and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined only by the appended claims.
Claims (6)
1. A high voltage relay, includes relay J, its characterized in that: the control end of the relay J is connected with the output end of the transformer T; the power supply circuit also comprises a positive terminal and a negative terminal, wherein the positive terminal and the negative terminal are connected with the input end of a comparator, the output end of the comparator is connected with the input end of an oscillator, the output end of the oscillator is connected with the input end of a transistor Q, and the output end of the transistor Q is connected with the input end of a transformer T;
A series circuit of a resistor R1 and a resistor R2 is connected between the positive terminal and the negative terminal, and the middle connection point of the resistor R1 and the resistor R2 is connected with the positive input end of the comparator; and a series circuit of a resistor R3 and a zener diode D1 is connected between the positive terminal and the negative terminal, and the middle connection point of the resistor R3 and the zener diode D1 is connected with the negative input end of the comparator.
2. The high voltage relay according to claim 1, wherein: the comparator is connected with the positive terminal through a resistor R4, and the comparator is connected with the negative terminal.
3. The high voltage relay according to claim 1, wherein: the oscillator is connected with the positive terminal through a resistor R5, and the oscillator is connected with the negative terminal.
4. The high voltage relay according to claim 1, wherein: the positive electrode input end of the transformer T is connected with the positive electrode terminal through a resistor Rp, and the negative electrode input end of the transformer T is connected with the output end of the transistor Q.
5. The high voltage relay according to claim 1, wherein: the positive electrode output end of the transformer T is connected with the positive electrode of the diode D2, and the negative electrode of the diode D2 and the negative electrode output end of the transformer T are connected with the control end of the relay J.
6. The high voltage relay according to claim 5, wherein: and a capacitor C1 is connected in parallel with the control end of the relay J.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596752.7A CN108630492B (en) | 2018-06-11 | 2018-06-11 | High-voltage relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596752.7A CN108630492B (en) | 2018-06-11 | 2018-06-11 | High-voltage relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108630492A CN108630492A (en) | 2018-10-09 |
| CN108630492B true CN108630492B (en) | 2024-04-26 |
Family
ID=63691642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596752.7A Active CN108630492B (en) | 2018-06-11 | 2018-06-11 | High-voltage relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108630492B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104797U (en) * | 1991-10-23 | 1992-05-20 | 上海铁道学院 | Electronic high voltage pulsive circuit devive of railway track |
| JPH1118321A (en) * | 1997-06-30 | 1999-01-22 | Fujitsu Denso Ltd | Output relay multiple operation detecting circuit |
| JP2001255946A (en) * | 2000-03-09 | 2001-09-21 | Tamagawa Seiki Co Ltd | Power source monitor circuit and power source monitor method |
| CN1376929A (en) * | 2002-01-18 | 2002-10-30 | 艾默生网络能源有限公司 | Monitor of electric cable breaking and its method |
| CN203909646U (en) * | 2014-06-30 | 2014-10-29 | 哈尔滨师范大学 | Crop automatic defrosting device |
| CN208225803U (en) * | 2018-06-11 | 2018-12-11 | 宁波星成电子股份有限公司 | Novel high-pressure relay |
-
2018
- 2018-06-11 CN CN201810596752.7A patent/CN108630492B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104797U (en) * | 1991-10-23 | 1992-05-20 | 上海铁道学院 | Electronic high voltage pulsive circuit devive of railway track |
| JPH1118321A (en) * | 1997-06-30 | 1999-01-22 | Fujitsu Denso Ltd | Output relay multiple operation detecting circuit |
| JP2001255946A (en) * | 2000-03-09 | 2001-09-21 | Tamagawa Seiki Co Ltd | Power source monitor circuit and power source monitor method |
| CN1376929A (en) * | 2002-01-18 | 2002-10-30 | 艾默生网络能源有限公司 | Monitor of electric cable breaking and its method |
| CN203909646U (en) * | 2014-06-30 | 2014-10-29 | 哈尔滨师范大学 | Crop automatic defrosting device |
| CN208225803U (en) * | 2018-06-11 | 2018-12-11 | 宁波星成电子股份有限公司 | Novel high-pressure relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108630492A (en) | 2018-10-09 |
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