CN209858721U - Indoor mutual inductor verification self-discharging device - Google Patents
Indoor mutual inductor verification self-discharging device Download PDFInfo
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- CN209858721U CN209858721U CN201920289677.XU CN201920289677U CN209858721U CN 209858721 U CN209858721 U CN 209858721U CN 201920289677 U CN201920289677 U CN 201920289677U CN 209858721 U CN209858721 U CN 209858721U
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Abstract
The utility model discloses an indoor mutual inductor verification self-discharge device, which comprises a current monitoring component, a motion control component, an insulation box, a lifting component, a discharge component and a remote control terminal; the remote control terminal is provided with a motion signal transmitter, the motion control assembly is provided with a motion signal receiver, and the motion signal transmitter in the remote control terminal is connected with the motion signal receiver in the motion control assembly through a wireless signal; the discharging assembly comprises a discharging capacitor and a discharging plate, the discharging capacitor is connected with the discharging plate in series, the discharging plate is connected with one end, far away from the insulating box, of the lifting assembly, and the discharging capacitor is arranged on one side, close to the lifting assembly, of the discharging plate. The utility model discloses a remote control terminal controls the discharge electrode and discharges to high-pressure sample, effectively avoids the potential safety hazard that current discharge mode exists, and this scheme introduces the discharge electrode and can more accurate contact test sample high pressure side.
Description
Technical Field
The utility model relates to a high voltage discharge device field, especially an indoor mutual-inductor examine and determine from discharge device.
Background
The current transformer and the voltage transformer need to be subjected to error verification and power frequency voltage tolerance tests, and if no error or discharge flashover occurs in the test process, the test is qualified. Because high voltage is applied to one side of the mutual inductor in the test, the voltage on the test sample is in the process of gradually descending after the test is finished. According to the regulations, after the error test and the withstand voltage test are finished, the test sample needs to be fully discharged, and then follow-up operations such as wire changing and the like are carried out. At present, after an error test and a voltage withstand test are completed, a manual hand is generally adopted to hold a grounding rod to contact the high-voltage side of a test sample for discharging the test sample, and residual charges on the high-voltage side of the test sample are gradually released to the ground, so that the potential of the high-voltage side of the test sample is equal to the ground potential. When the discharge rod is manually held, once the hand exceeds the protective ring of the handle part or the grounding wire on the discharge rod is not in good contact, insufficient discharge can be caused, and the tester has the risk of electric shock; meanwhile, the traditional discharge rod adopts the pointed metal contact to be in point contact with the high-voltage side of the test sample to realize discharge, but the contact area of the pointed metal contact is limited, so that the situation that the high-voltage side of the test sample cannot be accurately contacted when the test sample with a complicated shape is discharged may occur. In view of the above problems in the prior art, a new discharge device with higher safety and reliability needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor mutual-inductor examines and determine from discharge device for there is the potential safety hazard and the unable problem of accurate contact test sample high pressure side when discharging to test sample among the solution prior art.
In order to solve the problems, the utility model provides an indoor mutual inductor verification self-discharge device, which comprises a current monitoring component, a motion control component, an insulating box, a lifting component, a discharge component and a remote control terminal; one side of the insulating box is arranged on the ceiling, one side of the insulating box, which is far away from the ceiling, is communicated with the lifting assembly, and one side of the lifting assembly, which is far away from the insulating box, is connected with the discharging assembly; the current monitoring assembly is electrically connected with the motion control group, the motion control assembly is connected with and controls the lifting assembly, the current monitoring assembly is electrically connected with the discharging assembly through the lifting assembly, and the current monitoring assembly is provided with a grounding wire connected with a ceiling; the remote control terminal is provided with a motion signal transmitter, the motion control assembly is provided with a motion signal receiver, and the motion signal transmitter in the remote control terminal is connected with the motion signal receiver in the motion control assembly through a wireless signal; the discharging assembly comprises a discharging capacitor and a discharging plate, the discharging capacitor and the discharging plate are connected in series, the discharging plate is connected with one end, far away from the insulating box, of the lifting assembly, and the discharging capacitor is arranged on one side, close to the lifting assembly, of the discharging plate.
The remote control terminal comprises a motion signal emitter and a motion signal controller, and the motion signal emitter is electrically connected with the motion signal controller.
Wherein, current monitoring subassembly includes: the device comprises an ammeter, an early warning device and a protective resistor; the early warning device, the protection resistor and the grounding wire are respectively and electrically connected with the ammeter, one end of the protection resistor, which is connected with the ammeter, is also electrically connected with the motion control assembly, and the other end of the protection resistor, which is not connected with the ammeter, is electrically connected with the discharge plate through the lifting assembly.
Wherein, the motion control subassembly includes: the device comprises a driving mechanism, a positioning mechanism, a motion signal receiver and an external power supply; the driving mechanism, the motion signal receiver and the external power supply are respectively electrically connected with the positioning mechanism, and the driving mechanism is electrically connected with one end of the protection resistor connected with the ammeter; the driving mechanism is also connected with the lifting component and is used for driving the lifting component to operate.
Wherein, lifting unit includes a pair of the same and parallel arrangement's insulating lifter, and insulating lifter one end is connected with actuating mechanism through insulating case, and the insulating lifter other end is connected with the discharge electrode.
The insulating lifting rod comprises a plurality of cylinders which are sequentially nested, and each cylinder is provided with a cavity through which a lead can pass.
Wherein, in the vertical direction from the insulating box to the discharge plate, the diameters of the plurality of cylinders which are nested in sequence are reduced in sequence.
Wherein, the discharge capacitor is a high-voltage capacitor.
And one side of the discharge plate, which is far away from the discharge capacitor, is a conductive surface and is used for contacting and discharging with the high-voltage charged body.
The utility model has the advantages that: be different from the condition of prior art, the utility model provides an indoor mutual-inductor examines and determine from discharge device controls the discharge electrode through remote control terminal and discharges to high-pressure sample, effectively avoids the potential safety hazard that current discharge mode exists, and this scheme introduces the discharge electrode and can more accurate contact test sample high-pressure side.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the self-discharge device for calibrating the indoor mutual inductor of the utility model;
fig. 2 is a schematic structural diagram of a remote control terminal in an embodiment of the self-discharge device for verification of the indoor mutual inductor of the utility model;
in the figure: 1: a current monitoring component; 11: an ammeter; 12: an early warning device; 13: a protection resistor; 14: a ground line; 2: a motion control assembly; 21: a drive mechanism; 22: a positioning mechanism; 23: a motion signal receiver; 24: connecting an external power supply; 3: an insulating case; 4: a lifting assembly; 5: a discharge assembly; 51: a discharge capacitor; 52: a power generation panel; 6: a remote control terminal; 61: a motion signal transmitter; 62: a motion signal controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Please refer to fig. 1 and 2, fig. 1 is a schematic diagram of an embodiment of the self-discharging device for calibrating an indoor mutual inductor, fig. 2 is a schematic diagram of a remote control terminal in an embodiment of the self-discharging device for calibrating an indoor mutual inductor, wherein 1 is a current monitoring assembly, 11 is an ammeter, 12 is a pre-alarm, 13 is a protection resistor, 14 is a ground wire, 2 is a motion control assembly, 21 is a driving mechanism, 22 is a positioning mechanism, 23 is a motion signal receiver, 24 is an external power supply, 3 is an insulating box, 4 is a lifting assembly, 5 is a discharging assembly, 51 is a discharging capacitor, 52 is a power generation board, 6 is a remote control terminal, 61 is a motion signal transmitter, 62 is a motion signal controller. The utility model discloses well indoor mutual-inductor examination self-discharge device includes: the current monitoring component 1, the motion control component 2, the insulation box 3, the lifting component 4 and the discharging components 5 and 6 are remote control terminals; one side of the insulating box 3 is arranged on a ceiling, one side of the insulating box 3, which is far away from the ceiling, is communicated with the lifting assembly 4, and one side of the lifting assembly 4, which is far away from the insulating box 3, is connected with the discharging assembly 4; the insulation box 3 is internally provided with a current monitoring component 1 and a motion control component 2 which are connected in series, the motion control component 2 is connected with and controls a lifting component 4, the current monitoring component 1 is electrically connected with a discharging component 5 through the lifting component 4, and the current monitoring component 1 is provided with a grounding wire 14 connected with a ceiling; the discharging assembly 5 comprises a discharging capacitor 51 and a discharging plate 52 which are connected in series, the discharging plate 52 is connected with one end of the lifting assembly 4 far away from the insulating box 3, and the discharging capacitor 51 is arranged on one side of the discharging plate 52 close to the lifting assembly 4.
Specifically, the respective components of the indoor transformer verification self-discharge device in the present embodiment are explained in detail. The current monitoring assembly 1 includes: the device comprises an ammeter 11, an early warning device 12 and a protective resistor 13; the early warning device 12, the protective resistor 13 and the grounding wire 14 are respectively electrically connected with the ammeter 11; one end of the protection resistor 13 connected with the ammeter 11 is also electrically connected with the motion control assembly 2, and one end of the protection resistor 13 not connected with the ammeter 11 is electrically connected with the discharge plate 52 through the lifting assembly 4. Wherein, the early warning device 12 receives the electric signal from the current meter 11, when the received electric signal is greater than or equal to the preset value, the early warning device 12 will send out an alarm to prompt the user to get away from the discharging area, and when the received electric signal is less than the preset value, the early warning device 12 will stop the alarm; the pre-alarm 12 selected in this embodiment is a non-contact near-electricity pre-alarm, and in other embodiments, a pre-alarm having a similar function may be selected according to actual conditions, which is not limited herein.
The motion control assembly 2 includes: the device comprises a driving mechanism 21, a positioning mechanism 22, a motion signal receiver 23 and an external power supply 24; the driving mechanism 21, the motion signal receiver 23 and the external power supply 24 are respectively electrically connected with the positioning mechanism 22, and the driving mechanism 21 is electrically connected with one end of the protective resistor 13 connected with the ammeter 11; the driving mechanism 21 is also electrically connected to the lifting assembly 4 for driving the operation of the lifting assembly 4. In the present embodiment, the driving mechanism 21 is a two-stage transmission, and specifically includes a gear shifting mechanism and a screw nut transmission mechanism; the first-stage speed change adopts a gear speed change mechanism, the gear speed change mechanism comprises a gear set and a motor connected with the gear set, the gear set consists of 8 gears, and the motor with high rotating speed is controlled by the gear set to be reduced to a proper range; a screw nut transmission mechanism is adopted in the second stage, the screw nut transmission mechanism specifically comprises a nut and a push rod, one end of the push rod is connected with the nut, the other end of the push rod is connected with the lifting assembly, after the speed is changed through the gear speed change mechanism, the nut is driven by power output by a motor, the push rod is driven by the nut to move, the rotary motion of the motor is changed into the linear motion of the push rod, and finally the lifting assembly 4 is driven by the push rod to move, so that the driving mechanism 21 drives the lifting assembly 4 to perform reciprocating linear motion in the vertical direction; in other embodiments, a driving device with similar function may be selected according to actual conditions, and is not limited herein. A positioning mechanism 22 motion signal transmission function, which comprises receiving a motion signal from the driving mechanism 21 and a motion signal of the motion signal receiver 23, and can send a motion signal to the motion signal receiver 23, wherein the motion signal comprises data of the position of the discharge plate 52 and the like; any device capable of implementing the motion signal transmission function can be used as the positioning mechanism 22, and is not limited herein.
The lifting component 4 comprises a pair of insulating lifting rods which are identical and arranged in parallel, one end of each insulating lifting rod is connected with the driving mechanism 21 through the insulating box 3, and the other end of each insulating lifting rod is connected with the discharge plate 52; in the embodiment, a pair of insulating lifting rods which are the same and arranged in parallel is selected, and the reason is that the discharge plate 52 can stably move along with the insulating lifting rods, and the discharge plate 52 can maintain the original state under the supporting action of the double rods when contacting with a charged body, so that the discharge plate 52 does not shake or deflect, and the accurate contact of the discharge plate 52 and the high-voltage side of the charged body is ensured; each insulating lifting rod comprises a plurality of cylinders which are sequentially nested, a cavity for a lead to pass through is formed in each cylinder, and the adjacent cylinders can move in a telescopic mode.
The discharging assembly 5 comprises a discharging capacitor 51 and a discharging plate 52, the discharging capacitor 51 is connected with the discharging plate 52 in series, one side of the discharging plate 52 is connected with the insulating lifting rod and is provided with the discharging capacitor 51, the other side of the discharging plate 52 is a conductive surface and is used for contacting with a high-voltage charged body, the conductive surface is electrically connected with a protective resistor through a cavity of the insulating lifting rod by a lead, and the part of the discharging plate 52 except the conductive surface is covered by an insulating material; in the present embodiment, a high-voltage capacitor is used as the discharging capacitor 51, the discharging capacitor 51 is disposed between the two insulating lifting rods, and in other embodiments, the relative position between the discharging capacitor 51 and the two insulating lifting rods can be adjusted according to the circumstances, which is not limited herein; since copper has excellent conductivity and good cost performance, a copper plate is preferable as a material of the conductive surface of the discharge plate 52 in this embodiment, and the material of the conductive surface may be selected as appropriate in other embodiments, which is not limited herein.
The remote control terminal 6 comprises a motion signal transmitter 61 and a motion signal controller 62, and the motion signal transmitter 61 and the motion signal controller 62 are electrically connected; the movement signal emitter 61 is connected with the movement signal receiver 23 through a wireless signal, the movement signal emitter 61 emits a movement signal, and the movement signal receiver 23 receives the movement signal, wherein the movement signal comprises the movement position of the discharge plate; in the present embodiment, the motion signal controller 62 is controlled by a rocker, and by manually controlling the direction of the rocker, the motion signal is sequentially transmitted to the positioning mechanism 22 through the motion signal transmitter 61 and the motion signal receiver 23, and then the positioning mechanism 22 controls the operation of the driving mechanism 21 and drives the lifting mechanism 4 to make a corresponding linear motion in the vertical direction; in other embodiments, the functions of the motion signal controller 62 may be implemented by a key control method, a voice control method, or the like, which is not limited herein.
Further, a working process of the indoor transformer verification self-discharge device in the embodiment is explained. When the discharge is not required to be executed, the indoor mutual inductor verification self-discharge device is fixed on a ceiling, the insulating lifting rod of the lifting assembly 4 is in a contraction state, and all cylinders of the insulating lifting rod are contracted and overlapped; when the discharge needs to be executed, a sample to be detected is placed under the self-discharge device for verification of the indoor mutual inductor, an operator operates a rocker of a motion signal controller 62 in the remote control terminal 6 and sends a motion signal moving downwards, the motion signal passes through a motion signal emitter 61 and a motion signal receiver 23 in sequence and is transmitted to the positioning mechanism 22, then the positioning mechanism 22 controls the driving mechanism 21 to operate, the driving mechanism 21 drives an insulating lifting rod of the lifting mechanism 4 to vertically move downwards, and all cylinders of the insulating lifting rod gradually expand downwards until a conductive surface of the discharge plate 52 contacts with a high-voltage side of the sample to be detected; when the conductive surface of the discharge plate 52 contacts the high-voltage side of the sample to be detected, the current is led into the ground by the discharge plate 52 after sequentially passing through the discharge capacitor 51, the protection resistor 13, the ammeter 11 and the grounding wire 14 to execute discharge, and meanwhile, the early warning device 12 detects a high-voltage electric signal and starts to give an alarm, wherein an RC buffer circuit formed by the discharge capacitor 51 and the protection resistor 13 can provide protection for the circuit in the process of executing discharge; when the sample to be detected is discharged to be below the safe voltage, the early warning device 12 stops alarming, an operator operates a rocker of the motion signal controller 62 in the remote control terminal 6 and sends a motion signal moving upwards, the motion signal passes through the motion signal emitter 61 and the motion signal receiver 23 in sequence and is transmitted to the positioning mechanism 22, then the positioning mechanism 22 controls the driving mechanism 21 to operate, the driving mechanism 21 drives the insulating lifting rod of the lifting mechanism 4 to move vertically upwards, each cylinder of the insulating lifting rod gradually shrinks downwards, the discharge plate 52 is separated from the sample to be detected until each cylinder of the insulating lifting rod shrinks completely and overlaps together, and the whole working process of the indoor mutual inductor self-discharge device is completed.
Be different from the condition of prior art, the utility model provides an indoor mutual-inductor examines and determine from discharge device controls the discharge electrode through remote control terminal and discharges to high-pressure sample, effectively avoids the potential safety hazard that current discharge mode exists, and this scheme introduces the discharge electrode and can more accurate contact test sample high-pressure side.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. An indoor mutual inductor verification self-discharge device is characterized by comprising a current monitoring assembly, a motion control assembly, an insulation box, a lifting assembly, a discharge assembly and a remote control terminal;
one side of the insulating box is arranged on a ceiling, one side of the insulating box, which is far away from the ceiling, is communicated with the lifting assembly, and one side of the lifting assembly, which is far away from the insulating box, is connected with the discharging assembly; the current monitoring assembly and the motion control assembly are arranged in the insulation box, the current monitoring assembly is electrically connected with the motion control assembly, the motion control assembly is connected with and controls the lifting assembly, the current monitoring assembly is electrically connected with the discharging assembly through the lifting assembly, and the current monitoring assembly is provided with a grounding wire connected with a ceiling;
the remote control terminal is provided with a motion signal transmitter, the motion control assembly is provided with a motion signal receiver, and the motion signal transmitter in the remote control terminal is connected with the motion signal receiver in the motion control assembly through a wireless signal;
the discharging assembly comprises a discharging capacitor and a discharging plate, the discharging capacitor is connected with the discharging plate in series, the discharging plate is connected with one end, far away from the insulating box, of the lifting assembly, and the discharging capacitor is arranged on one side, close to the lifting assembly, of the discharging plate.
2. The indoor transformer verification self-discharge device according to claim 1, wherein the remote control terminal comprises the motion signal transmitter and a motion signal controller, and the motion signal transmitter and the motion signal controller are electrically connected.
3. The indoor transformer verification self-discharge device as claimed in claim 1, wherein the current monitoring assembly comprises: the device comprises an ammeter, an early warning device and a protective resistor; the early warning device, the protection resistor and the grounding wire are respectively electrically connected with the ammeter, one end of the protection resistor, which is connected with the ammeter, is also electrically connected with the motion control assembly, and the other end of the protection resistor, which is not connected with the ammeter, is electrically connected with the discharge plate through the lifting assembly.
4. The indoor transformer verification self-discharge device as claimed in claim 3, wherein the motion control assembly comprises: the device comprises a driving mechanism, a positioning mechanism, a motion signal receiver and an external power supply; the driving mechanism, the motion signal receiver and the external power supply are respectively electrically connected with the positioning mechanism, and the driving mechanism is electrically connected with one end of the protection resistor, which is connected with the ammeter; the driving mechanism is also connected with the lifting component and used for driving the lifting component to operate.
5. The apparatus for calibrating a self-discharge device of an indoor mutual inductor as claimed in claim 4, wherein the lifting assembly comprises a pair of insulating lifting rods which are identical and arranged in parallel, one end of each insulating lifting rod is connected with the driving mechanism through the insulating box, and the other end of each insulating lifting rod is connected with the discharge plate.
6. The apparatus for calibrating a self-discharge device of an indoor mutual inductor as claimed in claim 5, wherein the insulating lifting rod comprises a plurality of cylinders which are nested in sequence, and each cylinder is provided with a cavity for a lead to pass through.
7. The indoor mutual inductor verification self-discharge device as claimed in claim 6, wherein the diameters of the sequentially nested plurality of cylinders are sequentially reduced in a vertical direction from the insulation box to the discharge plate.
8. The indoor transformer verification self-discharge device according to claim 1, wherein the discharge capacitor is a high voltage capacitor.
9. The indoor transformer verification self-discharge device according to claim 1, wherein a side of the discharge plate away from the discharge capacitor is a conductive surface and is used for contact discharge with a high voltage charged body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289677.XU CN209858721U (en) | 2019-03-07 | 2019-03-07 | Indoor mutual inductor verification self-discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289677.XU CN209858721U (en) | 2019-03-07 | 2019-03-07 | Indoor mutual inductor verification self-discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858721U true CN209858721U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289677.XU Expired - Fee Related CN209858721U (en) | 2019-03-07 | 2019-03-07 | Indoor mutual inductor verification self-discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209858721U (en) |
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2019
- 2019-03-07 CN CN201920289677.XU patent/CN209858721U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |