CN112684258A - Converter valve capacitance detection device and detection method - Google Patents
Converter valve capacitance detection device and detection method Download PDFInfo
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- CN112684258A CN112684258A CN202011359601.3A CN202011359601A CN112684258A CN 112684258 A CN112684258 A CN 112684258A CN 202011359601 A CN202011359601 A CN 202011359601A CN 112684258 A CN112684258 A CN 112684258A
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Abstract
The invention provides a converter valve capacitance detection device and a detection method, which belong to the technical field of capacitance detection and comprise a plurality of connecting rods, a plurality of adjusting blocks, a plurality of discharge sheets and a plurality of detection sheets. Two pairs of the discharge sheets are fixed on the connecting rods, and four discharge sheets on two adjacent connecting rods are in two-to-two contact. The detection sheets are fixed on the connecting rods in pairs, and four detection sheets on two adjacent connecting rods are contacted in pairs; two discharging pieces on the connecting rod on one side of the edge are used for connecting a resistor, and two detecting pieces are used for connecting a capacitance meter. The detection piece is used for contacting with the discharge piece or the detection piece by the sliding of the adjusting block. The application further aims to provide a converter valve capacitance detection method. The converter valve capacitor detection device and the detection method greatly shorten the time for waiting capacitor discharge, and can detect the capacitance value by sliding the adjusting block, so that frequent disassembly is not needed, and the working efficiency is greatly improved.
Description
Technical Field
The invention belongs to the technical field of capacitance detection, and particularly relates to a converter valve capacitance detection device and a detection method.
Background
The converter valve is an electric device for realizing alternating current-direct current conversion, the capacitor is one of electronic elements which are used in the converter valve in large quantity, and the capacitor is widely applied to aspects of blocking direct current and alternating current, coupling, bypassing, filtering, tuning loops, energy conversion, control and the like in a circuit. The thyristor is a core element of the converter valve, the thyristor electronic board is a core device for triggering and protecting the thyristor in the thyristor converter valve, high-voltage devices such as a high-voltage capacitor and the like are directly exposed in the air at present, and the high-voltage damping capacitor is the most weak device in the whole thyristor level.
Therefore, in the using process, the capacitor needs to be detected, the capacitor needs to be discharged before being detected, due to the fact that the number of the capacitors on the converter valve is large and the like, the capacitor value is easy to detect under the condition of no discharge, certain potential safety hazards exist in normal operation of the capacitor and the converter valve, and meanwhile in the actual capacitor detecting process, due to the fact that the structure of the existing detecting device is complex, in addition, frequent switching between the discharging mode and the detecting mode is needed, and the detecting efficiency is low.
Disclosure of Invention
The invention aims to provide a converter valve capacitance detection device, and aims to solve the problem that the detection efficiency is low due to the fact that the detection device is complex in structure and needs to be frequently switched between a discharging mode and a detection mode.
In order to achieve the purpose, the invention adopts the technical scheme that: the converter valve capacitance detection device comprises:
the two ends of the connecting rods are fixedly provided with contacts which are used for being clamped at the two ends of the capacitor;
the adjusting blocks correspond to the connecting rods one by one and are arranged on the connecting rods in a sliding manner; the adjusting block is provided with two contact pieces which are electrically connected with the contact;
the discharging pieces are fixed on the connecting rods in pairs, and four discharging pieces on two adjacent connecting rods are contacted in pairs;
the four detection sheets on two adjacent connecting rods are contacted in pairs; the two discharge sheets on the connecting rod positioned on one side of the edge are used for connecting a resistor, and the two detection sheets are used for connecting a capacitance meter;
the detection piece is used for contacting with the discharge piece or the detection piece by means of the sliding of the adjusting block.
As another embodiment of the present application, the detecting plate and the discharging plate both extend to two sides of the corresponding connecting rod, and a clamping groove is formed on the detecting plate and the discharging plate on one side of the connecting rod, and a clamping block is formed on the detecting plate and the discharging plate on the other side of the connecting rod; the fixture blocks are used for being in clamping fit with the corresponding clamping grooves on the adjacent connecting rods.
As another embodiment of the application, the two detection pieces and the two discharge pieces on the same connecting rod are distributed on two sides of the adjusting block.
As another embodiment of the application, an elastic piece is connected between the adjusting block and the connecting rod, and the elastic piece is used for enabling the adjusting block to reset from one side of the detection piece.
As another embodiment of the application, two the contact offers the fixed slot that is used for joint electric capacity tip.
As another embodiment of the application, a sliding groove used for the sliding of the adjusting block is formed in the connecting rod.
As another embodiment of this application, the terminal surface of contact piece is located the outside of adjusting block, the discharge piece with detect the piece and extend to in the spout, just the contact piece detect the piece with all be provided with the lead angle on the contact piece.
As another embodiment of the application, the side of the adjusting block is provided with a sliding block, and the sliding block is in sliding fit with the sliding groove.
As another embodiment of the application, the outer side surface of the adjusting block is provided with a non-slip mat.
The converter valve capacitance detection device provided by the invention has the beneficial effects that: compared with the prior art, the converter valve capacitance detection device has the advantages that the contacts at two ends of the connecting rods are used for being clamped at two ends of the capacitors, the connecting rods correspond to the adjusting blocks one by one, and the adjusting blocks are arranged on the connecting rods in a sliding mode. The adjusting block is provided with a plurality of contact pieces, and the two contact pieces are electrically connected with the two contacts. Four discharging pieces and four detection pieces are fixed on the connecting rods, the four discharging pieces between two adjacent connecting rods are in two-to-two contact, the four detection pieces between the adjacent connecting rods are in two-to-two contact, the two discharging pieces on the connecting rods on one side of the edge are connected with a resistor, and the two detection pieces on the connecting rods are used for being connected with a capacitance meter.
During actual detection, the contacts on the connecting rods are sequentially clamped at two ends of the capacitor. Because the discharging of the capacitor needs a certain time, the adjusting block can be slid after the two contacts of the first connecting rod are clamped on the capacitor, so that the two contact pieces are contacted with the two discharging pieces on the first connecting rod, and the capacitor is discharged through the two contacts. At the in-process that first electric capacity was discharged, connect next connecting rod for two discharge pieces on first connecting rod and the second connecting rod contact each other, and two detection piece contacts promote the adjusting block on the second connecting rod, make the electric capacity of second connecting rod joint discharge, analogize in proper order.
After all the capacitors are discharged, resetting all the adjusting blocks, then sliding the adjusting blocks in sequence to enable the two contact pieces to be in contact with the two detection pieces, and resetting the sliding adjusting blocks after the capacitance values are recorded until the capacitance values of all the capacitors are detected.
In this application, last electric capacity discharge's in-process can make next electric capacity discharge, has greatly shortened the time of waiting for the electric capacity discharge, can detect the capacitance value through the slip adjusting block simultaneously, consequently need not frequent dismantlement to very big improvement work efficiency.
Another object of the present application is to provide a converter valve capacitance detection method, including:
connecting the contacts at the two ends of the connecting rod with the two contact pieces of the adjusting block on the connecting rod; clamping the two contacts at two ends of a plurality of capacitors; two discharging sheets and two detecting sheets are arranged on the connecting rod;
connecting the two discharge sheets on the first connecting rod with a resistor, and connecting the two detection sheets with a capacitance meter; sequentially clamping a plurality of connecting rods on a capacitor, enabling two discharge sheets on two adjacent connecting rods to be contacted with each other, enabling two detection sheets on two adjacent connecting rods to be contacted with each other, and sliding an adjusting block on the connecting rod when the next connecting rod is connected to enable two contact sheets to be contacted with two corresponding discharge sheets to enable the capacitor to discharge;
resetting the plurality of adjusting blocks, sliding the adjusting blocks in sequence to enable the two contact pieces to contact the two detection pieces, and resetting the adjusting blocks after recording capacitance values of corresponding capacitors;
and after the capacitance values of all the capacitors are detected, disassembling the connecting rods.
The converter valve capacitance detection method provided by the invention has the beneficial effects that: compared with the prior art, the converter valve capacitance detection method firstly clamps the contacts on the connecting rods at the two ends of the capacitor in sequence. Because the discharging of the capacitor needs a certain time, the adjusting block can be slid after the two contacts of the first connecting rod are clamped on the capacitor, so that the two contact pieces are contacted with the two discharging pieces on the first connecting rod, and the capacitor is discharged through the two contacts. At the in-process that first electric capacity was discharged, connect next connecting rod for two discharge pieces on first connecting rod and the second connecting rod contact each other, and two detection piece contacts promote the adjusting block on the second connecting rod, make the electric capacity of second connecting rod joint discharge, analogize in proper order.
After all the capacitors are discharged, resetting all the adjusting blocks, then sliding the adjusting blocks in sequence to enable the two contact pieces to be in contact with the two detection pieces, and resetting the sliding adjusting blocks after the capacitance values are recorded until the capacitance values of all the capacitors are detected.
In this application, last electric capacity discharge's in-process can make next electric capacity discharge, has greatly shortened the time of waiting for the electric capacity discharge, can detect the capacitance value through the slip adjusting block simultaneously, consequently need not frequent dismantlement to very big improvement work efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a converter valve capacitance detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of two connecting rods according to a second embodiment of the present invention;
FIG. 3 is a schematic connection diagram of the detection piece and the contact piece when they are connected according to the embodiment of the present invention;
fig. 4 is a schematic connection diagram of a connection rod and a contact according to an embodiment of the present invention.
In the figure: 1. a connecting rod; 2. an adjusting block; 3. a contact piece; 4. a wire; 5. a discharge sheet; 6. detecting a sheet; 7. an elastic member; 8. and a contact.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 4, a description will now be given of a converter valve capacitance detection apparatus according to the present invention. A converter valve capacitance detection device comprises a plurality of connecting rods 1, a plurality of adjusting blocks 2, a plurality of discharging sheets 5 and a plurality of detection sheets 6. Two ends of the connecting rod 1 are fixed with contacts 8 which are used for being clamped at two ends of the capacitor. The adjusting blocks 2 correspond to the connecting rods 1 one by one and are arranged on the connecting rods 1 in a sliding manner; the adjusting block 2 is mounted with two contact pieces 3 for electrical connection with the contacts 8. Every two of a plurality of discharge pieces 5 are fixed on connecting rod 1, and every two of four discharge pieces 5 on two adjacent connecting rods 1 contact. The detection pieces 6 are fixed on the connecting rods 1 in pairs, and the four detection pieces 6 on the two adjacent connecting rods 1 are contacted in pairs; two discharging sheets 5 on the connecting rod 1 positioned on one side of the edge are used for connecting a resistor and two detecting sheets 6 are used for connecting a capacitance meter. The detection piece 6 is used to contact the discharge piece 5 or the detection piece 6 by the sliding of the adjusting block 2.
The converter valve capacitance detection device provided by the invention has the beneficial effects that: compared with the prior art, the converter valve capacitance detection device has the advantages that the contacts 8 at two ends of the connecting rods 1 are used for being clamped at two ends of the capacitors, the connecting rods 1 correspond to the adjusting blocks 2 one by one, and the adjusting blocks 2 are arranged on the connecting rods 1 in a sliding mode. The adjustment block 2 is provided with a plurality of contact pieces 3, and two contact pieces 3 are electrically connected to two contacts 8. Simultaneously be fixed with four discharge pieces 5 and four on connecting rod 1 and detect piece 6, two liang of contacts of four discharge pieces 5 between two adjacent connecting rods 1, two liang of contacts of four detection pieces 6 between adjacent connecting rod 1 to two discharge pieces 5 and the resistance connection on the connecting rod 1 that is located edge one side, two detection pieces 6 on this connecting rod 1 are used for having the electric capacity table to connect.
In actual detection, the contacts 8 on the connecting rods 1 are sequentially clamped at two ends of the capacitor. Since the capacitor needs a certain time to discharge, after the two contacts 8 of the first connecting rod 1 are clamped on the capacitor, the adjusting block 2 can be slid, so that the two contact pieces 3 are in contact with the two discharge pieces 5 on the first connecting rod 1, and the capacitor is discharged through the two contacts 8. At the in-process that first electric capacity discharged, connect next connecting rod 1 for two discharge pieces 5 on first connecting rod 1 and the second connecting rod 1 contact each other, and two are detected 6 contacts, promote adjusting block 2 on the second connecting rod 1, make the electric capacity of 1 joint of second connecting rod discharge, analogize in proper order.
After all the capacitors are discharged, resetting all the adjusting blocks 2, then sliding the adjusting blocks 2 in sequence to enable the two contact pieces 3 to be in contact with the two detection pieces 6, and resetting the sliding adjusting blocks 2 after the capacitance values are recorded until the capacitance values of all the capacitors are detected.
In this application, last electric capacity discharge's in-process can make next electric capacity discharge, has greatly shortened the time of waiting for the electric capacity discharge, can detect the capacitance value through slip adjusting block 2 simultaneously, consequently need not frequent dismantlement to very big improvement work efficiency. The number of the discharge sheets 5 and the number of the detection sheets 6 are two in the application, and the discharge sheets and the detection sheets are used for switching on the positive and negative poles of a resistor or a capacitance meter to realize conduction.
As a specific embodiment of the converter valve capacitance detection device provided by the invention, please refer to fig. 1, fig. 2 and fig. 3, the detection piece 6 and the discharge piece 5 both extend to two sides of the corresponding connecting rod 1, and the detection piece 6 and the discharge piece 5 located at one side of the connecting rod 1 are provided with a clamping groove, and the detection piece 6 and the discharge piece 5 located at the other side of the connecting rod 1 are provided with a clamping block; the fixture blocks are used for being matched with the corresponding fixture grooves on the adjacent connecting rods 1 in a clamping mode.
In this application, can dismantle the connection between a plurality of connecting rods 1, connect fixed back at two connecting rods 1 simultaneously, two discharge piece 5 mutual contacts on two connecting rods 1, two detection piece 6 mutual contacts to form parallelly connected structure.
In order to stably connect the two opposite discharge sheets 5 and the two detection sheets 6, the discharge sheets 5 and the detection sheets 6 on one side of the connecting rod 1 are provided with clamping grooves, and the discharge sheets 5 and the detection sheets 6 on the other side of the connecting rod 1 are provided with clamping blocks. The discharging piece 5 and the detecting piece 6 are made of conductive materials, so that connection is realized, and after the next connecting rod 1 is connected and fixed, discharging and detecting can be realized by sliding the adjusting block 2 of the next connecting rod 1.
The clamping groove can be a dovetail groove, and the clamping block is used for being clamped and matched with the clamping groove on the other connecting rod 1.
Referring to fig. 1, 2 and 3, as a specific embodiment of a converter valve capacitance detection device provided by the present invention, two detection plates 6 and two discharge plates 5 on the same connecting rod 1 are distributed on two sides of an adjustment block 2.
In this application, the quantity that discharges piece 5 and detect piece 6 on same connecting rod 1 is two, and two discharge piece 5 and two detect piece 6 and distribute in the both sides of adjusting block 2 to two discharge piece 5 and two on the same connecting rod 1 detect 6 intervals of piece and set up, set gradually on the 1 length direction of connecting rod simultaneously.
Referring to fig. 1, 2 and 3, an elastic member 7 is connected between the adjusting block 2 and the connecting rod 1, and the elastic member 7 is used for resetting the adjusting block 2 from one side of the detecting piece 6.
In this application, need promote the motion of adjusting block 2 by the detection personnel with the hand, thereby realize the conversion of discharge and two kinds of forms of detection, at first when detecting a capacitance value to a electric capacity simultaneously, need carry out similar operation to next electric capacity after detecting the completion, because electric capacity is in a large quantity in the converter valve, thereby need slide adjusting block 2 many times when detecting, avoid simultaneously when needs detect the detection personnel forget slide adjusting block 2 and connect two contact pieces 3 on detecting the contact for the convenience of operation, cause short circuit or even a series of problems such as electric capacity burns out, consequently be connected with elastic component 7 between adjusting block 2 and connecting rod 1, elastic component 7 locates in the spout, make adjusting block 2 reset through elastic component 7, elastic component 7 is the spring.
In order to avoid the influence of other capacitors during detection, it should be ensured that the two contact pieces 3 on the adjusting block 2 can slide out of the detection piece 6 under the action of the elastic member 7, that is, after the capacitance value detection is completed, the two contact pieces 3 and the two detection pieces 6 can be separated.
Because the time of capacitance detection is short, namely after two contact pieces 3 contact two detection pieces 6 respectively, can read out the capacitance value of this electric capacity within two contact 8 contact electric capacity seconds, consequently when detecting the capacitance value, need slide adjusting block 2 and extrude elastic component 7, after elastic component 7 pressurized, by the detection personnel record capacitance value. After the capacitance detection is finished, the adjusting block 2 is loosened, the adjusting block 2 is reset under the action of the elastic piece 7, and the connection of the contact piece 3 with the discharging piece 5 and the detection piece 6 is interrupted.
Referring to fig. 1, 2 and 3, two contacts 8 are provided with fixing grooves for clamping ends of capacitors, in order to provide a specific embodiment of the converter valve capacitor detection apparatus according to the present invention.
In order to stabilize the contact 8 on the capacitor and prevent the connection rod 1 from slipping off, although the connection between the discharge plate 5 and the detection plate 6 between two adjacent connection rods 1 is detachable, after the connection of a plurality of connection rods 1 is completed, the connection rod can be stabilized on the capacitor. And the contact 8 can be ensured to be connected with the output end of the capacitor and the output end tightly by arranging the clamping groove.
Referring to fig. 1 and 2, a connecting rod 1 is provided with a sliding groove for sliding an adjusting block 2.
In this application, in order to make adjusting block 2 can slide between two discharge pieces 5 and two detection pieces 6, at first seted up the spout on connecting rod 1, the spout is the uncovered setting that makes progress, and adjusting block 2 slides and sets up in the spout, in order to prevent that adjusting block 2 from dropping from the spout, the spout can be for the dovetail of binding off.
Contacts 8 are fixed at both ends of the connecting rod 1, and the two contacts 8 are connected with the two contact pieces 3 through leads 4. Two contact pieces 3 on adjusting block 2 all imbed in adjusting block 2, and two contact pieces 3 all are located the bottom surface of adjusting block 2, and two discharge pieces 5 and two detection contact pieces are all fixed on connecting rod 1, and all are close to contact piece 3 and set up.
The adjusting block 2 drives the two contact pieces 3 to move, and the two contact pieces 3 are simultaneously contacted with the two discharging pieces 5 or the two detection contact pieces respectively by means of the movement of the adjusting block 2. When the two detection sheets 6 contact the two discharge contact sheets, the two contacts 8 can discharge the capacitor after contacting the two ends of the capacitor. When the two detection sheets 6 contact the two detection contact sheets, the capacitance value of the capacitor is detected.
Because after discharging, need detect the capacitance value of electric capacity, if a plurality of electric capacities are established ties simultaneously or parallelly connected and are influential to the final measured capacitance value, be provided with the position of blocking for this reason in the spout, after adjusting block 2 slided to the position of blocking, two adjusting blocks 2 and discharge 5 and detection piece 6 all do not contact to can avoid the influence to electric capacity testing result.
Referring to fig. 1, 2 and 3, as a specific embodiment of the converter valve capacitance detection device provided by the present invention, an end surface of the contact piece 3 is disposed outside the adjusting block 2, the discharge piece 5 and the detection piece 6 extend into the chute, and the contact piece 3, the detection piece 6 and the contact piece 3 are all provided with a guide angle.
In this application, since it is necessary for the contact piece 3 to be able to effectively contact the discharge piece 5 and the detection piece 6, it is necessary for the contact piece 3 to slide between the discharge contact piece and the detection piece 6. The outer side surfaces of the two contact pieces 3 can be arranged outside the adjusting block 2, and the two discharging pieces 5 and the two detecting pieces 6 are conductive blocks and the end parts of the two discharging pieces and the two detecting pieces extend into the sliding groove.
Chamfers are arranged on the discharge sheet 5 and the detection sheet 6, so that the contact sheet 3 can smoothly slide in from one side of the discharge sheet 5 and the detection sheet 6.
In this application, the resistance is adjustable discharge resistance, and adjustable discharge resistance's both ends are connected with the voltmeter. Whether the capacitor is completely discharged can be determined through the change of the pointer on the voltmeter.
As a specific implementation manner of the converter valve capacitance detection device provided by the invention, a sliding block is arranged on the side surface of the adjusting block 2, and the sliding block is in sliding fit with the sliding groove.
In this application, since it is necessary to make the two contact pieces 3 stably contact the two discharge pieces 5 or the two detection pieces 6, it is necessary to ensure that the adjustment block 2 can slide at the preset position of the connecting rod 1. Therefore, the two sides of the adjusting block 2 are provided with sliding blocks, the two sliding blocks and the adjusting block 2 are integrally formed, and the two sliding blocks are in sliding fit with specific positions on the sliding groove.
In order to reduce the sliding resistance of the sliding block along the sliding groove, lubricating oil can be coated on the sliding block, and the adjusting block 2 can be a hard insulating material part.
As a specific embodiment of the converter valve capacitance detection device provided by the invention, an anti-slip pad is arranged on the outer side surface of the adjusting block 2.
In this application, in order to increase the frictional force with adjusting block 2, avoid the slippage of adjusting block 2, can set up the recess at adjusting block 2's lateral surface, the drive adjusting block 2 of being more convenient for through seting up the recess and slide, be connected with the slipmat in the recess, the slipmat is flexible rubber material finished piece.
Because the number of the capacitors on the converter valve is large, a detector needs to slide the adjusting block 2 for multiple times, so that the position of the adjusting block 2 is convenient to operate and fatigue is prevented, and meanwhile, the elastic modulus of the elastic piece 7 needs to be as small as possible on the basis of being capable of pushing the adjusting block 2.
Another object of the present application is to provide a converter valve capacitance detection method, including:
connecting the contacts 8 at the two ends of the connecting rod 1 with the two contact pieces 3 of the adjusting block 2 on the connecting rod 1; two contacts 8 are clamped at two ends of a plurality of capacitors; two discharging sheets 5 and two detecting sheets 6 are arranged on the connecting rod 1.
Two discharge sheets 5 on the first connecting rod 1 are connected with a resistor, and two detection sheets 6 are connected with a capacitance meter; with a plurality of connecting rods 1 joint in proper order on electric capacity, make two 5 mutual contacts of discharging on two adjacent connecting rods 1, two on two adjacent connecting rods 1 detect piece 6 mutual contact, and when connecting next connecting rod 1, adjusting block 2 on the sliding connection pole 1 makes two corresponding 5 of discharging of contact piece 3 contact, makes electric capacity discharge.
Resetting the plurality of adjusting blocks 2, sliding the adjusting blocks 2 in sequence to enable the two contact pieces 3 to contact the two detection pieces 6, and resetting the adjusting blocks 2 after recording the capacitance values of the corresponding capacitors.
And after the capacitance values of all the capacitors are detected, the connecting rods 1 are disassembled.
The converter valve capacitance detection method provided by the invention has the beneficial effects that: compared with the prior art, the converter valve capacitance detection method firstly clamps the contacts 8 on the connecting rods 1 at two ends of the capacitor in sequence. Since the capacitor needs a certain time to discharge, after the two contacts 8 of the first connecting rod 1 are clamped on the capacitor, the adjusting block 2 can be slid, so that the two contact pieces 3 are in contact with the two discharge pieces 5 on the first connecting rod 1, and the capacitor is discharged through the two contacts 8. At the in-process that first electric capacity discharged, connect next connecting rod 1 for two discharge pieces 5 on first connecting rod 1 and the second connecting rod 1 contact each other, and two are detected 6 contacts, promote adjusting block 2 on the second connecting rod 1, make the electric capacity of 1 joint of second connecting rod discharge, analogize in proper order.
After all the capacitors are discharged, resetting all the adjusting blocks 2, then sliding the adjusting blocks 2 in sequence to enable the two contact pieces 3 to be in contact with the two detection pieces 6, and resetting the sliding adjusting blocks 2 after the capacitance values are recorded until the capacitance values of all the capacitors are detected.
In this application, last electric capacity discharge's in-process can make next electric capacity discharge, has greatly shortened the time of waiting for the electric capacity discharge, can detect the capacitance value through slip adjusting block 2 simultaneously, consequently need not frequent dismantlement to very big improvement work efficiency.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A converter valve capacitance detection device, comprising:
the two ends of the connecting rods are fixedly provided with contacts which are used for being clamped at the two ends of the capacitor;
the adjusting blocks correspond to the connecting rods one by one and are arranged on the connecting rods in a sliding manner; the adjusting block is provided with two contact pieces which are electrically connected with the contact;
the discharging pieces are fixed on the connecting rods in pairs, and four discharging pieces on two adjacent connecting rods are contacted in pairs;
the four detection sheets on two adjacent connecting rods are contacted in pairs; the two discharge sheets on the connecting rod positioned on one side of the edge are used for connecting a resistor, and the two detection sheets are used for connecting a capacitance meter;
the detection piece is used for contacting with the discharge piece or the detection piece by means of the sliding of the adjusting block.
2. The converter valve capacitance detection device according to claim 1, wherein the detection piece and the discharge piece both extend to both sides of the corresponding connecting rod, and a clamping groove is formed on the detection piece and the discharge piece on one side of the connecting rod, and a clamping block is formed on the detection piece and the discharge piece on the other side of the connecting rod; the fixture blocks are used for being in clamping fit with the corresponding clamping grooves on the adjacent connecting rods.
3. The converter valve capacitance detection device according to claim 1, wherein two detection plates and two discharge plates on the same connecting rod are distributed on two sides of the adjusting block.
4. The converter valve capacitance detection device according to claim 1, wherein an elastic member is connected between the adjusting block and the connecting rod, and the elastic member is used for resetting the adjusting block from one side of the detection piece.
5. The converter valve capacitance detection device as claimed in claim 1, wherein two of the contacts are provided with fixing grooves for clamping ends of the capacitor.
6. The converter valve capacitance detection device according to claim 1, wherein a chute for sliding the adjusting block is formed on the connecting rod.
7. The converter valve capacitance detection device according to claim 6, wherein an end surface of the contact piece is arranged outside the adjusting block, the discharge piece and the detection piece extend into the sliding groove, and guide angles are arranged on the contact piece, the detection piece and the contact piece.
8. The converter valve capacitance detection device according to claim 6, wherein a slider is arranged on a side surface of the adjusting block, and the slider is in sliding fit with the sliding groove.
9. The converter valve capacitance detection device as claimed in claim 1, wherein an anti-slip pad is disposed on an outer side surface of the adjusting block.
10. The converter valve capacitance detection method is characterized by comprising the following steps:
connecting the contacts at the two ends of the connecting rod with the two contact pieces of the adjusting block on the connecting rod; clamping the two contacts at two ends of a plurality of capacitors; two discharging sheets and two detecting sheets are arranged on the connecting rod;
connecting the two discharge sheets on the first connecting rod with a resistor, and connecting the two detection sheets with a capacitance meter; sequentially clamping a plurality of connecting rods on a capacitor, enabling two discharge sheets on two adjacent connecting rods to be contacted with each other, enabling two detection sheets on two adjacent connecting rods to be contacted with each other, and sliding an adjusting block on the connecting rod when the next connecting rod is connected to enable two contact sheets to be contacted with two corresponding discharge sheets to enable the capacitor to discharge;
resetting the plurality of adjusting blocks, sliding the adjusting blocks in sequence to enable the two contact pieces to contact the two detection pieces, and resetting the adjusting blocks after recording capacitance values of corresponding capacitors;
and after the capacitance values of all the capacitors are detected, disassembling the connecting rods.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113985225A (en) * | 2021-10-13 | 2022-01-28 | 中国南方电网有限责任公司超高压输电公司昆明局 | Capacitor discharge and measurement device |
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