CN220552934U - High-voltage switch cabinet partial discharge monitoring device - Google Patents
High-voltage switch cabinet partial discharge monitoring device Download PDFInfo
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- CN220552934U CN220552934U CN202322216426.8U CN202322216426U CN220552934U CN 220552934 U CN220552934 U CN 220552934U CN 202322216426 U CN202322216426 U CN 202322216426U CN 220552934 U CN220552934 U CN 220552934U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052742 iron Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of monitoring of switch cabinets and discloses a high-voltage switch cabinet partial discharge monitoring device which comprises a base, wherein an electromagnet is fixedly arranged right above the base, two metal rods are fixedly connected to the top of the electromagnet, a metal annular cover is fixedly connected to the tops of the two metal rods together, a guide rod in a vertical axial direction is fixedly connected to the top of the base, an iron plate placed on the top surface of the base is sleeved on the guide rod, and a liftable annular limiting block is sleeved on the top of the guide rod. According to the utility model, the spring between the annular limiting block and the iron plate can be extruded through lifting of the annular limiting block, so that the elastic strength of the spring is changed, the lifting amplitude of the iron plate can be changed according to the current strength change on the electromagnet, when the strength of the spring is larger, stronger partial discharge is required to attract the iron plate upwards to give an alarm, and the effect of giving an alarm according to the corresponding partial discharge strength is achieved.
Description
Technical Field
The utility model relates to the technical field of switch cabinet monitoring, in particular to a high-voltage switch cabinet partial discharge monitoring device.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and other functions of the power system, and is used as an electric product with the voltage level of 3.6 KV-550 KV, and the high-voltage isolating switch, the grounding switch, the high-voltage load switch, the high-voltage automatic superposition and separation device, the high-voltage operating mechanism, the high-voltage explosion-proof power distribution device, the high-voltage switch cabinet and the like are of various types. The high-voltage switch cabinet can produce the electric current travelling wave that spreads fast to all directions when taking place partial discharge, in daily use, cable plug head contact failure and connection spring piece contact failure all can produce partial discharge, to the position design monitoring mechanism that easily produces partial discharge, be convenient for monitor the service condition of high-voltage switch cabinet, monitoring mechanism direct ground simultaneously leads to discharging easily and can't monitor when less.
The utility model discloses a high tension switchgear partial discharge monitoring devices in chinese patent of publication No. CN218896161U, including metal annular cover and base, the breach has been seted up to metal annular cover lateral wall, breach both ends all fixedly connected with rubber sleeve, rubber sleeve lateral wall is connected with the metal pole. Through the arrangement of the iron plate and the control rod, the iron plate can be moved upwards to drive the control rod to rotate to cause an alarm, so that alarm devices such as an inductor and the like are prevented from being disabled in a discharge environment due to current or a magnetic field, and the timeliness and the accuracy of monitoring the alarm are improved.
The degree of partial discharge is a reliable index for judging whether an insulation system is qualified or not, in the design, the control rod is driven to rotate by the lifting of the iron plate to cause an alarm, the iron plate can drive the control rod to rotate and give out the alarm when the intensity of partial discharge reaches a fixed value, but the intensity of partial discharge cannot be effectively monitored, so that the device cannot give an alarm to specific partial discharge intensity according to the requirement, and therefore, it is necessary to design a high-voltage switch cabinet partial discharge monitoring device to solve the problem.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide a high-voltage switch cabinet partial discharge monitoring device so as to solve the problems in the background technology.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a monitoring devices is put in high tension switchgear office, includes the base, the fixed electro-magnet that is provided with directly over the base, two metal poles of top fixedly connected with of electro-magnet, two the top of metal pole is a metal annular cover of fixedly connected with jointly, the top fixedly connected with of base is vertical axial guide bar, cup jointed on the guide bar and placed iron plate on the base top surface, the annular stopper of liftable has been cup jointed at the top of guide bar, just still cup jointed on the guide bar and be located spring between iron plate and the annular stopper, be provided with contact sensor and the bee calling organ that is located iron plate top one side on the base, bee calling organ can send the alarm when iron plate and contact sensor contact.
Preferably, one side fixedly connected with of base props up the piece, it is provided with to prop up to rotate on the piece and be fore-and-aft threaded rod, the sleeve has been cup jointed through screw-thread fit on the threaded rod, fixedly connected with connecting rod between sleeve and the annular stopper, just the top fixedly connected with knob of threaded rod.
Preferably, the bottom of threaded rod passes through the bearing and connects at the kicking block top to form the rotation connection along the horizontal plane direction, such design can be more reasonable.
Preferably, the top of base fixedly connected with two bilateral symmetry's backup pad, electro-magnet fixed connection is in two the top of backup pad for the electro-magnet can form the fixed connection in the base top.
Preferably, one side of the base is fixedly connected with an L-shaped block, and the contact sensor is fixedly connected to the bottom of the horizontal end of the L-shaped block.
Preferably, the buzzer is fixedly connected to the top of the L-shaped block, and is electrically connected with the contact sensor, so that the buzzer can immediately give out an alarm when the iron plate is in contact with the contact sensor.
Typically, the contact sensor is spaced from the iron plate by no more than 5mm.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
according to the utility model, the spring between the annular limiting block and the iron plate can be extruded through lifting of the annular limiting block, so that the elastic strength of the spring is changed, the lifting amplitude of the iron plate can be changed according to the current strength change on the electromagnet, when the strength of the spring is larger, stronger partial discharge is required to attract the iron plate upwards to give an alarm, and the effect of giving an alarm according to the corresponding partial discharge strength is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a second perspective view of the present utility model;
FIG. 3 is a schematic view of a partial structure of the present utility model;
fig. 4 is a schematic side view of the structure of the present utility model.
Description of the reference numerals
1. A base; 2. an electromagnet; 3. a metal rod; 4. a metal annular cover; 5. an iron plate; 6. an annular limiting block; 7. a spring; 8. a touch sensor; 9. a buzzer; 10. a support block; 11. a threaded rod; 12. a sleeve; 13. a connecting rod; 14. a knob; 15. an L-shaped block; 16. a support plate; 17. a guide rod.
Detailed Description
The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.
Example 1
Referring to fig. 1-4, the present utility model provides a high-voltage switch cabinet partial discharge monitoring device: comprises a base 1, an electromagnet 2 is fixedly arranged right above the base 1, two metal rods 3 are fixedly connected to the top of the electromagnet 2, a metal annular cover 4 is fixedly connected to the tops of the two metal rods 3, a guide rod 17 in a vertical axial direction is fixedly connected to the top of the base 1, an iron plate 5 placed on the top surface of the base 1 is sleeved on the guide rod 17, a liftable annular limiting block 6 is sleeved on the top of the guide rod 17, the guide rod 17 is also sleeved with a spring 7 positioned between the iron plate 5 and the annular limiting block 6, the base 1 is provided with a contact sensor 8 and a buzzer 9 positioned on one side above the iron plate 5, the buzzer 9 can give an alarm when the iron plate 5 contacts with the contact sensor 8, through the design, the metal annular cover 4 can be arranged at the positions of the cable plug head and the connecting spring piece which are easy to generate partial discharge, when partial discharge occurs, the metal rod 3 introduces current on the metal annular cover 4 to charge the electromagnet 2, at the moment, the iron plate 5 slides upwards under the action of magnetic attraction of the electromagnet 2, so that the iron plate 5 can be contacted with the contact sensor 8, thus, the buzzer 9 can give out an alarm, compared with the traditional alarm device, the alarm device can prevent the alarm from being disabled due to current or magnetic field in the discharge environment, improves the timeliness and the accuracy of monitoring the alarm, the spring 7 between the annular limiting block 6 and the iron plate 5 can be extruded through the lifting of the annular limiting block 6, so that the elastic strength of the spring 7 is changed, the lifting amplitude of the iron plate 5 can be changed according to the current strength change on the electromagnet 2, when the strength of the spring 7 is larger, stronger partial discharge is needed to attract the iron plate 5 upwards to give an alarm, and the effect of giving an alarm according to the corresponding partial discharge strength is achieved. Typically, the contact sensor 8 is spaced from the iron plate 5 by no more than 5mm.
As shown in FIG. 3, a support block 10 is fixedly connected to one side of the base 1, a longitudinal threaded rod 11 is rotatably arranged on the support block 10, a sleeve 12 is sleeved on the threaded rod 11 through threaded fit, a connecting rod 13 is fixedly connected between the sleeve 12 and the annular limiting block 6, a knob 14 is fixedly connected to the top of the threaded rod 11, the knob 14 is held by hands and rotated to drive the threaded rod 11 to rotate, and the sleeve 12 and the annular limiting block 6 can be driven to lift through threaded fit so as to change the distance between the annular limiting block 6 and the iron plate 5 and control the elasticity of the spring 7.
Furthermore, the bottom of the threaded rod 11 is connected to the top of the supporting block 10 through a bearing to form a rotational connection along the horizontal plane, which is more reasonable.
Specifically, the top of the base 1 is fixedly connected with two bilaterally symmetrical support plates 16, and the electromagnet 2 is fixedly connected to the tops of the two support plates 16, so that the electromagnet 2 can form a fixed connection above the base 1.
Referring to fig. 3 and 4, an L-shaped block 15 is fixedly connected to one side of the base 1, and the contact sensor 8 is fixedly connected to the bottom of the horizontal end of the L-shaped block 15, so that the iron plate 5 can be contacted with the contact sensor 8 when lifted.
Meanwhile, the buzzer 9 is fixedly connected to the top of the L-shaped block 15 and is electrically connected with the contact sensor 8, so that the buzzer 9 can immediately give out an alarm when the iron plate 5 is in contact with the contact sensor 8, and the effect of monitoring and alarming partial discharge is achieved.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a monitoring devices is put in office of high tension switchgear, includes the base, the fixed electro-magnet that is provided with directly over the base, the top fixedly connected with of electro-magnet two metal poles, two the common fixedly connected with metal annular cover in top of metal pole, its characterized in that: the top fixedly connected with of base is vertical axial guide bar, cup jointed on the guide bar and placed iron plate on the base top surface, the top of guide bar has cup jointed liftable annular stopper, just still cup jointed on the guide bar and has been located spring between iron plate and the annular stopper, be provided with on the base and be located contact sensor and the buzzer of iron plate top one side, buzzer can send the alarm when iron plate and contact sensor contact.
2. The high-voltage switchgear partial discharge monitoring device according to claim 1, wherein: one side fixedly connected with of base props up the piece, it is provided with to prop up to rotate on the piece and be fore-and-aft threaded rod, sleeve has been cup jointed through screw-thread fit on the threaded rod, fixedly connected with connecting rod between sleeve and the annular stopper, just the top fixedly connected with knob of threaded rod.
3. The high-voltage switchgear partial discharge monitoring device according to claim 2, wherein: the bottom of the threaded rod is connected to the top of the supporting block through a bearing so as to form a rotary connection along the horizontal plane direction.
4. The high-voltage switchgear partial discharge monitoring device according to claim 1, wherein: the top fixedly connected with of base two bilateral symmetry's backup pad, electro-magnet fixed connection is in the top of two the backup pad.
5. The high-voltage switchgear partial discharge monitoring device according to claim 1, wherein: one side of the base is fixedly connected with an L-shaped block, and the contact sensor is fixedly connected to the bottom of the horizontal end of the L-shaped block.
6. The high-voltage switchgear partial discharge monitoring device according to claim 5, wherein: the buzzer is fixedly connected to the top of the L-shaped block, and is electrically connected with the contact sensor.
7. The high-voltage switchgear partial discharge monitoring device according to claim 1, wherein: the distance between the contact sensor and the iron plate is not more than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216426.8U CN220552934U (en) | 2023-08-17 | 2023-08-17 | High-voltage switch cabinet partial discharge monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216426.8U CN220552934U (en) | 2023-08-17 | 2023-08-17 | High-voltage switch cabinet partial discharge monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552934U true CN220552934U (en) | 2024-03-01 |
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ID=90006918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322216426.8U Active CN220552934U (en) | 2023-08-17 | 2023-08-17 | High-voltage switch cabinet partial discharge monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552934U (en) |
-
2023
- 2023-08-17 CN CN202322216426.8U patent/CN220552934U/en active Active
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