CN201069748Y - Jar device for controlling the close and open time of the high-voltage breaker - Google Patents
Jar device for controlling the close and open time of the high-voltage breaker Download PDFInfo
- Publication number
- CN201069748Y CN201069748Y CNU2007200905911U CN200720090591U CN201069748Y CN 201069748 Y CN201069748 Y CN 201069748Y CN U2007200905911 U CNU2007200905911 U CN U2007200905911U CN 200720090591 U CN200720090591 U CN 200720090591U CN 201069748 Y CN201069748 Y CN 201069748Y
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- cylinder body
- cylinder
- adjustment screw
- shape hole
- lid
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Abstract
The utility model provides a cylinder device for controlling close/separation time of a high voltage circuit breaker. The cylinder device includes a cylinder body, a valve block, an oil path passage arranged in the cylinder body, a piston valve rod positioned in the oil path passage, a left cylinder cover and a right cylinder cover arranged on the two ends of the cylinder body, and an oil path left inlet/outlet, wherein the left end of the piston valve rod sequentially passes through the valve block and the left cylinder cover, a T-shaped hole is arranged in the right cylinder cover, the left port of the T-shaped hole is arranged corresponding to the oil path passage, the lower port of the T-shaped hole is an oil path right inlet/outlet of the cylinder device, and an adjustment device used for controlling oil amount of the oil path right inlet/outlet is arranged in the T-shaped hole. The device is convenient for adjusting close/separation time, smart in structural design, and able to satisfy the operation requirement of close/separation time for the high-voltage circuit breaker without a timing relay.
Description
Technical field
The utility model relates to a kind of hydraulic control device, specifically, has related to a kind of cylinder apparatus that primary cut-out closes the branch time that is used to control.
Background technology
The closing of circuit breaker-minute time (Close-Open Time) is an important technology parameter that characterizes circuit breaker reclosing operation performance, close-minute time be electric power system for the stability that improves its operation requires circuit breaker must given operating characteristic parameter, also be the technical parameter that circuit breaker is rationally set when structural design, made and product must satisfy after delivery test.Close-minute action process from circuit breaker, the closing of circuit breaker-minute time was made up of two periods, be the intrinsic opening time of circuit breaker add multiple switching relay send sub-gate signal to switching winding be subjected to the electricity time, and the latter is depended on: 1, the operate time of relay protection of power system, will add certain time-delay sometimes and guarantee to close-minute time; 2, the change-over time of auxiliary switch, the release unit that has can be delayed time the auxiliary switch that switches to guarantee essential closing-minute time.Because operate time of relay protection of power system is shorter relatively, and electric power authorities from May, 2004 regulation do not allow the artificial time-delay that adds, so the closing of circuit breaker-minute time should be guaranteed by the structure of circuit breaker self;
For addressing this problem; the scheme that has occurred many these technology of solution in the prior art; such as; China Patent No. is " 200420086460.2 "; the utility model patent that name is called " primary cut-out closes branch time protective device " discloses a kind of simple in structure, reliable primary cut-out and closes branch time protective device; it mainly is that improvement by electrical structure reaches goal of the invention, and the intrinsic machinery of circuit breaker of the prior art closes-and minute time can't satisfy the requirement of prior art standard.
The utility model content
Goal of the invention of the present utility model is at the deficiencies in the prior art, thereby provide a kind of adjustment to close convenient, structural design of branch time and be used to control the cylinder apparatus that primary cut-out closes the branch time cleverly, this device guarantees primary cut-out under the situation of no time-delay relay, when satisfying operation primary cut-out is closed the requirement of branch time.
In order to realize the foregoing invention purpose, the utility model provides a kind of cylinder apparatus that primary cut-out closes the branch time that is used to control, comprise cylinder body, the valve piece, be arranged on the asphalt channel in the cylinder body, be arranged on the piston valve spindle in the asphalt channel, be arranged on the left cylinder lid and the right cylinder body lid at cylinder body two ends, an oil circuit left side that is arranged on the cylinder body is imported and exported, wherein, the left part of described piston valve spindle passes described valve piece successively and described left cylinder lid is provided with, in the described right cylinder body lid T shape hole is set, the asphalt channel setting of the corresponding described cylinder body of the left port in described T shape hole, the lower port in described T shape hole are the right import and export of the oil circuit of described cylinder apparatus, are provided with in the described T shape hole to be used to control the right adjusting device of importing and exporting the oil mass size of described oil circuit.
Be provided with one section internal thread in the right output port in described T shape hole, described adjusting device is an adjustment screw, described adjustment screw is provided with one section external screw thread, and described adjustment screw is arranged in the right output port in described T shape hole, the setting that matches with described internal thread of described external screw thread.
Described adjustment screw left part is arranged with sealing ring.
The end that described adjustment screw is exposed outside the described right cylinder body lid is equipped with clamp nut, and sheathed spring washer on the described adjustment screw, described spring washer are arranged between described right cylinder body lid and the described clamp nut.
The relative prior art of the utility model has substantive distinguishing features and progressive, specifically, the utility model is by adjusting the length of the adjustment screw in the right cylinder body lid, reach the right oil inlet quantity size of importing and exporting of control oil channel, and then the speed of control valve rod action, finally reach control the closing-minute time of primary cut-out, close to satisfy circuit breaker-the regulation requirement of minute time, guarantee that electric power system is to the requirement of operation stability and the requirement of the technical conditions of circuit breaker own.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model work syndeton schematic diagram.
Embodiment
Below by the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind ofly be used to control the cylinder apparatus that primary cut-out closes the branch time, comprise cylinder body 1, valve piece 12, be arranged on the asphalt channel in the cylinder body 1, be arranged on the piston valve spindle 4 in the asphalt channel, be arranged on the left cylinder lid 2 and the right cylinder body lid 3 at cylinder body 1 two ends, an oil circuit left side that is arranged on the cylinder body 1 imports and exports 16;
It is middle with left cylinder lid 2 that described valve piece 12 is installed in cylinder body 1, the left part of described piston valve spindle 4 passes described valve piece 12 successively and described left cylinder lid 2 is provided with, described piston valve spindle 4 passes the setting of described valve piece 12 centers and leads by valve piece 12, and the right part of described piston valve spindle 4 is arranged with sealing ring 11; Be provided with seal washer 14 in the described valve piece 12, described seal washer 14 is set on the described valve rod 4;
In the described right cylinder body lid 3 a T shape hole is set, the asphalt channel setting of the corresponding described cylinder body of the left port in described T shape hole, the lower port in described T shape hole is the right import and export 15 of the oil circuit of described cylinder apparatus, is provided with in the described T shape hole to be used to control the right adjusting device of importing and exporting 15 oil mass sizes of described oil circuit.
The left part of the right output port 5 in described T shape hole is the slide opening that described adjustment screw 7 leading sections are slided, right part is provided with one section internal thread 6 in it, described adjusting device is an adjustment screw 7, described adjustment screw 7 leading sections are Slide bar structures, thereafter the end is provided with one section external screw thread, described adjustment screw 7 is arranged in the right output port 5 in described T shape hole, the setting that matches with described internal thread 6 of described external screw thread; This structural design mainly is that to be convenient to described adjustment screw 7 easy to adjust.
Described adjustment screw 7 left parts are arranged with sealing ring 8.
The end that described adjustment screw 7 is exposed outside the described right cylinder body lid 3 is equipped with clamp nut 9, and sheathed spring washer 10 on the described adjustment screw 7, described spring washer 10 are arranged between described right cylinder body lid 3 and the described clamp nut 9.
Described cylinder body 1 is a cuboid, can directly be fixed on the valve piece 12, and inlet and outlet of fuel channel utilizes the sealing ring sealing, to realize the integrated package form, avoids adopting pipe joint structure, reduces leak source.
As shown in Figure 2, this is used to control the cylinder apparatus that primary cut-out closes the branch time, in hydraulic system, set up an adjusting device exactly, utilize this device to regulate the size of turnover oil mass, and then to primary cut-out close-minute time controls, specifically be the piston valve spindle 4 interlock transition block 17 of utilizing cylinder body 1 left end to stretch out, and pass through the crank 19 that connecting plate 18 drives auxiliary switches 20, reach with this branch that closes of primary cut-out is controlled by transition block 17.
When closing a floodgate, because the cross-sectional area of piston valve spindle 4 right-hand members is greater than left end, when hydraulic oil entered the right side through oil circuit right side import and export 15, piston valve spindle 4 was to left movement, and crank 19 actions of drive transition block 17, connecting plate 18 and auxiliary switch 20, realize that with this primary cut-out closes a floodgate;
When separating brake, the right side hydraulic oil enters fuel tank rapidly and release pressure by the right import and export 15 of oil circuit, import and export under the 16 hydraulic oil effects on a left side oil circuit left side, piston valve spindle 4 moves right, and crank 19 actions of drive transition block 17, connecting plate 18 and auxiliary switch 20, realize the primary cut-out separating brake with this.
Primary cut-out closes-assurance of minute time, be exactly by adjusting the length of the adjustment screw 7 in the right cylinder body lid 3, and then right 15 the oil inlet quantity size of importing and exporting of control oil channel, adjustment screw 7 is screwed into many, the right import and export of oil circuit 15 oil inlet quantities are little, delay the action of piston valve spindle 4, the branch time of closing of primary cut-out is just elongated; Otherwise, adjustment screw 7 is screwed into few, the right import and export of oil circuit 15 oil inlet quantities are big, the action of piston valve spindle 4 is fast, the branch time of closing of primary cut-out just shortens, so just can control the switching time of the contact of auxiliary switch 20, satisfy circuit breaker to close-the regulation requirement of minute time, guarantee that electric power system is to the requirement of operation stability and the requirement of circuit breaker technical conditions; After adjustment screw 7 adjustment are suitable, utilize clamp nut 9 fixing, after avoiding adjusting,, changed described closing-minute time because of the cylinder body vibration causes adjustment screw 7 loosening.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. one kind is used to control the cylinder apparatus that primary cut-out closes the branch time, comprise cylinder body, the valve piece, be arranged on the asphalt channel in the cylinder body, be arranged on the piston valve spindle in the asphalt channel, be arranged on the left cylinder lid and the right cylinder body lid at cylinder body two ends, an oil circuit left side that is arranged on the cylinder body is imported and exported, wherein, the left part of described piston valve spindle passes described valve piece successively and described left cylinder lid is provided with, it is characterized in that: in the described right cylinder body lid T shape hole is set, the asphalt channel setting of the corresponding described cylinder body of the left port in described T shape hole, the lower port in described T shape hole is the right import and export of the oil circuit of described cylinder apparatus, is provided with in the described T shape hole to be used to control the right adjusting device of importing and exporting the oil mass size of described oil circuit.
2. according to claim 1ly be used to control the valve means that primary cut-out closes the branch time, it is characterized in that: be provided with one section internal thread in the right output port in described T shape hole, described adjusting device is an adjustment screw, described adjustment screw is provided with one section external screw thread, described adjustment screw is arranged in the right output port in described T shape hole, the setting that matches with described internal thread of described external screw thread.
3. according to claim 2 being used to controlled the valve means that primary cut-out closes the branch time, it is characterized in that: described adjustment screw left part is arranged with sealing ring.
4. describedly be used to control the valve means that primary cut-out closes the branch time according to claim 2 or 3, it is characterized in that: the end that described adjustment screw is exposed outside the described right cylinder body lid is equipped with clamp nut, sheathed spring washer on the described adjustment screw, described spring washer are arranged between described right cylinder body lid and the described clamp nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200905911U CN201069748Y (en) | 2007-06-06 | 2007-06-06 | Jar device for controlling the close and open time of the high-voltage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200905911U CN201069748Y (en) | 2007-06-06 | 2007-06-06 | Jar device for controlling the close and open time of the high-voltage breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069748Y true CN201069748Y (en) | 2008-06-04 |
Family
ID=39491137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200905911U Expired - Lifetime CN201069748Y (en) | 2007-06-06 | 2007-06-06 | Jar device for controlling the close and open time of the high-voltage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069748Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814399A (en) * | 2010-05-18 | 2010-08-25 | 西安交通大学 | Buffer for intelligent operation of high-voltage circuit breaker |
| CN104134557A (en) * | 2013-06-09 | 2014-11-05 | 国家电网公司 | Spring operating mechanism buffer for circuit breaker |
| CN104143489A (en) * | 2013-11-13 | 2014-11-12 | 国家电网公司 | Signal cylinder and hydraulic operating mechanism with signal cylinder |
-
2007
- 2007-06-06 CN CNU2007200905911U patent/CN201069748Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814399A (en) * | 2010-05-18 | 2010-08-25 | 西安交通大学 | Buffer for intelligent operation of high-voltage circuit breaker |
| CN104134557A (en) * | 2013-06-09 | 2014-11-05 | 国家电网公司 | Spring operating mechanism buffer for circuit breaker |
| CN104143489A (en) * | 2013-11-13 | 2014-11-12 | 国家电网公司 | Signal cylinder and hydraulic operating mechanism with signal cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080604 |