CN210199258U - AC/DC two-purpose SF6 density relay calibrating apparatus - Google Patents
AC/DC two-purpose SF6 density relay calibrating apparatus Download PDFInfo
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- CN210199258U CN210199258U CN201920951928.6U CN201920951928U CN210199258U CN 210199258 U CN210199258 U CN 210199258U CN 201920951928 U CN201920951928 U CN 201920951928U CN 210199258 U CN210199258 U CN 210199258U
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Abstract
The utility model relates to an AC/DC dual-purpose SF6 density relay calibrating installation, which comprises a calibrating installation box body, a calibrating installation main body arranged on the calibrating installation box body, a gas storage structure arranged in the calibrating installation box body, and an installation moving structure arranged on the calibrating installation box body; the calibrating device main body comprises a plurality of relay detection mechanisms and a detection control mechanism, wherein the relay detection mechanisms are arranged in the calibrating device box body and connected with the gas storage structure; the gas storage structure comprises a gas storage bracket arranged in the box body of the calibrating device and an SF6 gas storage bottle arranged in the gas storage bracket, and the SF6 gas storage bottle is communicated with the relay detection mechanism; the device moving structure comprises a moving frame sleeved outside the box body of the calibrating device, a plurality of universal wheels arranged on the periphery of the bottom of the moving frame, and handles arranged on two sides of the top of the moving frame. The utility model discloses can inspect a plurality of SF6 density relay simultaneously, can use convenient operation in the nimble use of inspection scene moreover.
Description
Technical Field
The utility model relates to a high-tension apparatus detects technical field, especially relates to a dual-purpose SF6 density relay calibrating installation of alternating current-direct current.
Background
SF6The switch being a high voltage widely used in electric power systemsElectric appliance, SF6Reliable operation of the switch has become one of the most interesting issues for the supply and consumption sector. The SF6 density relay is used for monitoring SF in operation6The important element of SF6 gas density change in switch body, and the performance of the important element directly influences SF6The operation of the switch is safe. The SF6 density relay operated on site often has the phenomena of inflexible action, poor contact of contact points and the like after a period of time due to the unusual action, and the temperature compensation performance of the density relay is also deteriorated in some cases, so that the SF is often caused when the environmental temperature is suddenly changed6The density relay malfunctions. Therefore, DL/T596-1996 "preventive test procedure for Power plants" states: each SF6The switch usage unit should periodically verify the SF6 density relay. From the actual operation condition, the SF in the field operation is subjected to6It is also very necessary that the density relay and the pressure gauge are checked regularly.
Therefore, an intelligent SF6 density relay calibrator is provided at present, which adopts a high-precision pressure sensor and a high-speed A/D converter, can be combined with a 32-bit high-performance microprocessor to calibrate the performance of various SF6 density relays, can accurately measure the pressure value at the current temperature during signal action, and can automatically complete the conversion of any ambient temperature to the standard pressure at 20 ℃. However, the traditional check meter can only check one SF6 density relay at the same time, and the efficiency is low; moreover, the traditional check meter does not have an air storage tank, and the air storage tank needs to be additionally connected in the measuring process, so that the operation difficulty is increased; in addition, the conventional calibrator is generally fixed on the ground and cannot be flexibly used on a calibration site.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a dual-purpose SF6 density relay calibrating installation of alternating current-direct current can inspect a plurality of SF6 density relays simultaneously, can use convenient operation in the field of the inspection is nimble moreover.
In order to achieve the above object, the utility model provides a following technical scheme:
an AC/DC dual-purpose SF6 density relay calibrating device comprises a calibrating device box body, a calibrating device main body arranged on the calibrating device box body, a gas storage structure arranged in the calibrating device box body and a device moving structure arranged on the calibrating device box body;
the calibrating device main body comprises a plurality of relay detection mechanisms and a detection control mechanism, wherein the relay detection mechanisms are arranged in the calibrating device box body and connected with the gas storage structure;
the gas storage structure comprises a gas storage bracket arranged in the box body of the verification device and an SF6 gas storage bottle arranged in the gas storage bracket, and the SF6 gas storage bottle is communicated with the relay detection mechanism;
the device moving structure comprises a moving frame sleeved outside the calibrating device box body, a plurality of universal wheels arranged on the periphery of the bottom of the moving frame, and handles arranged on two sides of the top of the moving frame.
Optionally, the certification device box comprises a box body with a box cavity, and a box door arranged on the side surface of the box body.
Optionally, the gas storage support comprises an arc-shaped fixed half frame fixedly arranged in the box body, and an arc-shaped rotating half frame hinged to the arc-shaped fixed half frame, wherein the arc-shaped fixed half frame and the arc-shaped rotating half frame are arranged outside the SF6 gas storage bottle.
Optionally, the gas storage bracket further comprises a first buckle arranged on one side of the arc-shaped rotating half frame and a second buckle arranged on one side of the arc-shaped fixing half frame, and the first buckle and the second buckle are fastened.
Optionally, the movable frame comprises a frame bottom plate and frame guardrails arranged around the frame bottom plate, and the frame bottom plate and the frame guardrails are arranged outside the calibrating device box body in a surrounding manner.
Optionally, the frame guardrail comprises fixed guardrails respectively fixedly arranged at three edges of the frame bottom plate and a rotating guardrail arranged at the fourth edge of the frame bottom plate, wherein one side of the rotating guardrail is hinged to the adjacent side of one of the fixed guardrails, and the other side of the rotating guardrail is fastened with the adjacent other side of the fixed guardrail.
Optionally, the two handles are respectively arranged at the tops of the two opposite fixed guardrails;
the handle is designed into a U-shaped rod, and two ends of the U-shaped rod are respectively connected to two sides of the top of one fixed guardrail.
Optionally, the device moving structure includes universal wheels respectively disposed around the bottom of the frame bottom plate, and a braking structure disposed on the universal wheels.
Optionally, the relay detection mechanism comprises a gas path processor communicated with the SF6 gas cylinder, a gas control valve connected with the gas path processor, a pressure sensor and a temperature sensor connected with the gas control valve, and a relay connector connected with the pressure sensor and the temperature sensor, wherein the relay connector is used for connecting an SF6 density relay;
the detection control mechanism comprises a signal collector connected with the pressure sensor and the temperature sensor and a microprocessor connected with the signal collector, and the microprocessor is connected with the gas control valve.
Optionally, the relay detection mechanism further comprises a relay adapter detachably connected to the relay connector, and the relay adapter is connected to the SF6 density relay.
The utility model provides an among the technical scheme, through setting up gas storage structure in the calibrating installation box for the air supply forms as an organic wholely with the calibrating installation main part, need not external gas holder, and it is more convenient to operate and use. Moreover, the calibrating device box is provided with the device moving structure, so that the whole calibrating device can be freely moved, the calibrating device can be flexibly used on a checking site as required, and the calibrating device can be flexibly transported. Moreover, a plurality of relay detection mechanisms are arranged in the verification device, so that a plurality of SF6 density relays can be verified at the same time, and the efficiency is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic sketch of a three-dimensional structure of a calibration device for an ac/dc SF6 density relay according to an embodiment of the present invention;
fig. 2 is a schematic sketch of a three-dimensional structure of a calibrating apparatus box of the calibrating apparatus for the ac/dc dual-purpose SF6 density relay calibrating apparatus according to the embodiment of the present invention;
fig. 3 is a schematic sketch of the three-dimensional structure of the device moving structure of the ac/dc dual-purpose SF6 density relay calibration device according to the embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Calibrating |
200 | Calibrating apparatus |
| 300 | |
310 | |
| 400 | |
410 | |
| 420 | |
430 | Handle bar |
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the utility model provides a dual-purpose SF6 density relay calibrating installation of alternating current-direct current, including calibrating installation box 100, locate calibrating installation main part 200 on calibrating installation box 100, locate the gas storage structure 300 in calibrating installation box 100 to and locate the device removal structure 400 on calibrating installation box 100. By arranging the gas storage structure 300 in the calibrating device box 100, the gas source and the calibrating device main body 200 are integrated, an external gas storage tank is not needed, and the operation and the use are more convenient. Further, by providing the apparatus moving structure 400 on the certification apparatus case 100, the entire certification apparatus can be freely moved, that is, the certification apparatus can be flexibly used in a test site as needed, and can be flexibly transported.
Furthermore, the calibrating apparatus main body 200 may include a plurality of relay detecting mechanisms disposed in the calibrating apparatus case 100 and connected to the gas storage structure 300, and a detection control mechanism connected to the relay detecting mechanisms. The relay detection mechanism can be controlled by the detection control mechanism, so that the relay detection mechanism can normally detect the SF6 density relay. Moreover, a plurality of relay detection mechanisms are arranged in the verification device, so that a plurality of SF6 density relays can be verified at the same time, and the efficiency is higher.
Specifically, as shown in fig. 2, the calibrating device case 100 may include a case body having a case cavity, and a case door provided at a side of the case body. The box body cavity of the box body main body can be opened and closed through the box body door, so that the various structures can be conveniently installed in the box body main body, and the various structures in the box body main body can be conveniently overhauled and maintained. Also, the case body may be provided as a rectangular case, and the case door may be provided as a side-by-side door or a single door.
Furthermore, the gas storage structure 300 may include a gas storage bracket 310 disposed in the calibrating apparatus housing 100, and an SF6 gas cylinder disposed in the gas storage bracket, wherein the SF6 gas cylinder is communicated with the relay detection mechanism. The gas storage bracket 310 disposed in the calibrating apparatus case 100 can fix the SF6 gas cylinder, so that the SF6 gas cylinder does not shake or move during the movement of the calibrating apparatus 100. The SF6 gas cylinder can supply SF6 gas for detection to the relay detection mechanism; when a plurality of relay detection mechanisms are provided, the SF6 gas cylinder can simultaneously supply SF6 gas for detection to the plurality of relay detection mechanisms.
Further, the gas storage bracket 310 may include an arc-shaped fixed half frame fixedly disposed in the box body, and an arc-shaped rotating half frame hinged to the arc-shaped fixed half frame, wherein the arc-shaped fixed half frame and the arc-shaped rotating half frame are enclosed outside the SF6 gas cylinder. Through rotating the arc and rotating the half frame, can make the arc rotate half frame and the fixed half frame separation of arc, be convenient for place the gaseous gas bomb of SF6 in the fixed half frame of arc, or take out from the fixed half frame of arc. Through setting up half fixed frame of arc and half frame of arc rotation promptly, can enclose the gaseous gas bomb of SF6 and establish fixedly, two half frames are laminated with the body of the gaseous gas bomb of SF6 moreover, and is better to the fixed effect of the gaseous gas bomb of SF 6. Moreover, the gas storage bracket 310 may further include a first buckle disposed on one side of the arc-shaped rotating half frame and a second buckle disposed on one side of the arc-shaped fixing half frame, wherein the first buckle and the second buckle are fastened together. Through set up buckle structure between arc rotation half frame and the fixed half frame of arc, can easily fix the two buckle, also be convenient for part the two.
In addition, as shown in fig. 3, the apparatus moving structure 400 may include a moving frame sleeved outside the calibrating apparatus box 100, a plurality of universal wheels disposed around the bottom of the moving frame, and handles 430 disposed on two sides of the top of the moving frame. After the SF6 gas cylinder is installed in the certification apparatus box 100, the entire certification apparatus may be increased in volume and weight, and the certification apparatus may be conveniently moved by providing the apparatus moving structure 400 on the certification apparatus box 100. Moreover, the calibrating device case 100 can be placed by the moving frame, the whole calibrating device can be moved by the universal wheels arranged at the bottom of the moving frame, and the whole calibrating device can be pushed by the handle 430. Therefore, the whole calibrating device can be freely moved without being limited by sites.
Further, the movable frame may include a frame bottom plate 410, and a frame rail 420 surrounding the frame bottom plate 410, wherein the frame bottom plate 410 and the frame rail 420 are surrounded outside the calibrating apparatus box 100. The frame bottom plate 410 may provide support for the calibrating apparatus body 200, and the frame guard rails 420 surrounding the frame bottom plate 410 may limit the calibrating apparatus case 100 and the calibrating apparatus body 200 from the periphery, so that the calibrating apparatus case 100 and the calibrating apparatus body 200 may be kept stable during the moving process. Moreover, the frame guard rail 420 may include a fixed guard rail respectively fixed to three edges of the frame base plate 410, and a rotating guard rail arranged on a fourth edge of the frame base plate 410, wherein one side of the rotating guard rail is hinged to a side of an adjacent fixed guard rail, and the other side of the rotating guard rail is fastened to a side of another adjacent fixed guard rail. The frame guard rails 420 surrounding the four sides of the calibrating device case 100 are fixed guard rails with three fixed sides, and the other side is a rotatable rotating guard rail, so that the rotating guard rails can be opened, and the calibrating device case 100 and the calibrating device body 200 can be conveniently moved to the frame bottom plate 410. In addition, the box door of the calibrating device box 100 and the rotating guardrail of the frame guardrail 420 are arranged on the same surface, so that the box door can be conveniently opened.
Moreover, two handles 430 are respectively arranged on the top of two opposite fixed guardrails, and two handles 430 are respectively arranged on two sides of the top of the frame guardrail 420, so that the whole calibrating device can be pushed from two sides. Also, the handle 430 may be formed as a U-shaped bar, and both ends of the U-shaped bar are connected to both sides of the top of one fixed guard rail, respectively. By providing the handle 430 in a U-shaped rod configuration, the handle 430 is easily gripped. Moreover, the U-shaped rod is also inclined towards the outer side of the calibrating device box 100, so that the whole calibrating device is more convenient to push.
In addition, the device moving structure 400 may include a universal wheel respectively disposed around the bottom of the frame bottom plate 410, and a braking structure disposed on the universal wheel. Namely, four universal wheels are arranged at the bottom of the frame bottom plate 410, and the braking structure is arranged to brake the universal wheels, so that the whole calibrating device is convenient to fix.
In addition, the relay detection mechanism may include a gas path processor in communication with the SF6 gas cylinder, a gas control valve connected to the gas path processor, a pressure sensor and a temperature sensor connected to the gas control valve, and a relay connector connected to the pressure sensor and the temperature sensor for connection to an SF6 density relay. The detection control mechanism can comprise a signal collector connected with the pressure sensor and the temperature sensor and a microprocessor connected with the signal collector, and the microprocessor is connected with the gas control valve. The gas control valve can accurately control and adjust gas pressure, and the pressure sensor and the temperature sensor can respectively measure the pressure value and the temperature value of an SF6 density relay connected with the relay connecting joint. And the signal collector can collect the pressure value and the temperature value measured by the pressure sensor and the temperature sensor, and convey the collected pressure value and temperature value to the microprocessor for analysis and processing, thereby conveniently and accurately detecting the SF6 density relay.
Moreover, the relay detection mechanism can further comprise a relay adapter detachably connected with the relay connector, and the relay adapter is connected with the SF6 density relay. Through setting up relay crossover sub, can match the SF6 density relay of different grade type, be convenient for detect the SF6 density relay of different models.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An AC/DC dual-purpose SF6 density relay calibrating device is characterized by comprising a calibrating device box body, a calibrating device main body arranged on the calibrating device box body, a gas storage structure arranged in the calibrating device box body and a device moving structure arranged on the calibrating device box body;
the calibrating device main body comprises a plurality of relay detection mechanisms and a detection control mechanism, wherein the relay detection mechanisms are arranged in the calibrating device box body and connected with the gas storage structure;
the gas storage structure comprises a gas storage bracket arranged in the box body of the verification device and an SF6 gas storage bottle arranged in the gas storage bracket, and the SF6 gas storage bottle is communicated with the relay detection mechanism;
the device moving structure comprises a moving frame sleeved outside the calibrating device box body, a plurality of universal wheels arranged on the periphery of the bottom of the moving frame, and handles arranged on two sides of the top of the moving frame.
2. The calibrating apparatus for the AC/DC SF6 density relay of claim 1, wherein the calibrating apparatus box comprises a box body having a box cavity, and a box door disposed on a side of the box body.
3. The calibrating apparatus for the AC/DC SF6 density relay of claim 2, wherein the gas storage holder comprises a fixed arc half frame fixedly disposed in the box body and a rotating arc half frame hinged to the fixed arc half frame, and the fixed arc half frame and the rotating arc half frame are disposed around the outside of the SF6 gas cylinder.
4. The calibrating apparatus for the AC/DC SF6 density relay of claim 3, wherein the gas storage rack further comprises a first buckle disposed on one side of the arc-shaped rotating half frame and a second buckle disposed on one side of the arc-shaped fixing half frame, the first buckle and the second buckle are fastened together.
5. The calibrating apparatus for an SF6 density relay with both AC and DC power as claimed in claim 1, wherein said movable frame includes a frame base plate and frame rails surrounding said frame base plate, said frame base plate and said frame rails surrounding said calibrating apparatus case.
6. The calibrating apparatus for the SF6 density relay with both AC and DC according to claim 5, wherein the frame guard rail includes a fixed guard rail fixed on three sides of the frame bottom plate, and a rotating guard rail fixed on the fourth side of the frame bottom plate, one side of the rotating guard rail is hinged to the side of the adjacent fixed guard rail, and the other side of the rotating guard rail is fastened to the side of the adjacent fixed guard rail.
7. The calibrating device for the AC-DC SF6 density relay of claim 6, wherein two said handles are respectively disposed on top of two said opposite fixed guardrails;
the handle is designed into a U-shaped rod, and two ends of the U-shaped rod are respectively connected to two sides of the top of one fixed guardrail.
8. The calibrating apparatus for the SF6 density relay with both AC and DC power as claimed in claim 5, wherein said moving structure comprises said universal wheels and braking structures respectively disposed on the periphery of the bottom of said bottom plate of said frame.
9. The AC/DC SF6 density relay verification apparatus as claimed in claim 1, wherein said relay detection mechanism includes a gas path processor in communication with said SF6 gas cylinder, a gas control valve connected to said gas path processor, a pressure sensor and a temperature sensor connected to said gas control valve, and a relay connector connected to said pressure sensor and said temperature sensor, said relay connector for connection to an SF6 density relay;
the detection control mechanism comprises a signal collector connected with the pressure sensor and the temperature sensor and a microprocessor connected with the signal collector, and the microprocessor is connected with the gas control valve.
10. The calibrating apparatus for the AC/DC SF6 density relay of claim 9, wherein said relay testing mechanism further comprises a relay adapter removably connected to said relay adapter, said relay adapter being connected to an SF6 density relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951928.6U CN210199258U (en) | 2019-06-21 | 2019-06-21 | AC/DC two-purpose SF6 density relay calibrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951928.6U CN210199258U (en) | 2019-06-21 | 2019-06-21 | AC/DC two-purpose SF6 density relay calibrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210199258U true CN210199258U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920951928.6U Active CN210199258U (en) | 2019-06-21 | 2019-06-21 | AC/DC two-purpose SF6 density relay calibrating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210199258U (en) |
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2019
- 2019-06-21 CN CN201920951928.6U patent/CN210199258U/en active Active
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