CN205175679U - In put cabinet handcart bite intellectual detection system device - Google Patents
In put cabinet handcart bite intellectual detection system device Download PDFInfo
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- CN205175679U CN205175679U CN201521004038.2U CN201521004038U CN205175679U CN 205175679 U CN205175679 U CN 205175679U CN 201521004038 U CN201521004038 U CN 201521004038U CN 205175679 U CN205175679 U CN 205175679U
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Abstract
The utility model discloses an in put cabinet handcart bite intellectual detection system device, characterized by, detection device includes operating torque measuring device and stroke measuring device, and the electric signal transfer that operating torque measuring device and stroke measuring device will gather is for data processing and control system, a method of in put cabinet handcart bite intellectual detection system device carries on through operating torque measuring device and stroke measuring device that mechanical properties detects, the analysis, and can objective, accurate centering put the cabinet handcart state of marcing and judge, the hidden danger of analysis trouble early, the installation of sensor does not influence the original performance and the reliability of equipment, measures simply, do not increase on -the -spot maintenance work volume.
Description
Technical field
The utility model relates to a kind of middle-placed switch cabinet handcart bite intelligent detection device.
Background technology
In 10kV electric system, be equiped with a large amount of high-voltage intermediate switch cabinets, be divided into breaker chamber, low-voltage variation room, bus-bar room and outlet cable room etc. according to the function difference that it realizes.Its isolating switch is one of most important unit, it for the line maintenance time-division, close line load form visible safe insulation fracture; The rapid line disconnection when faults such as circuit are short-circuited, avoids fault spread.It is in the industry " mid-hands injured " primarily of cabinet, bus, isolating switch and drive disk assembly composition or claims " middle-placed switch cabinet ".
Visible insulation fracture is formed after making circuit breaker trip line load, often isolating switch is arranged in a moveable mechanism be made up of screw mandrel, nut, when circuit connected by needs, moving contact can be inserted static contact by rotary screw rod isolating switch slowly, connects circuit (combined floodgate).Equally, when needs open-circuit line (separating brake), rotating backward screw mandrel isolating switch can extract moving contact slowly, and circuit disconnects.
For the sake of security, after isolating switch extracts contact, also automatically hide needing to continue charged static contact, in order to avoid maintainer touches electricity by mistake, these parts hidden are named in the industry " valve ".According to its effect, when isolating switch advances combined floodgate to static contact, valve must be opened automatically; During breaker open operation, valve must be closed automatically.
Automatic " opening " and " closedown " of realizing valve needs multiple drive disk assembly to form, and there will be bite etc. unavoidably and do not open the fault of not closing in Long-Time Service process.And valve is inboard at cabinet, and operating personnel cannot observe the state of valve; Meanwhile, contact, due to long-play, also can make contact burn due to faults such as heating, arcings, and deciliter resistance is increased, and even do not open and do not close, operating personnel also cannot observe the variable condition of contact; The drive disk assembly Long-Time Service such as screw mandrel, nut and mechanical latching can not be safeguarded in time and transmission resistance also can be made to increase even bite.These all progressively develop extremely, have a process from quantitative change to qualitative change.
Therefore, the traveling characteristics of the mid-handcart of high-tension switch cabinet directly reflects that high-voltage switch gear handcart mechanical latching, valve, handcart moving contact coordinate situation with the action of switch cubicle static contact.Handcart is advanced the quality of conditions characteristic, directly reflects the operating mode quality of high-tension switch cabinet, and directly threatens the life security of operating personnel.At present, the state-detection means of high-tension switch cabinet mainly rely on infrared, contact resistance, ultrasonic and earth potential office puts, and only handcart traveling characteristics (mechanical bite) goes back the effective monitoring means of neither one.The existing quality of product and structural behaviour can only be relied on, field personnel's subjective feel micro-judgment ability.The utility model tries hard to realize detecting switch cabinet handcart mechanical property (i.e. bite state), analyzing, and can objective, accurate rival car travel condition judge.Install in this, as equipment, overhaul final mass calibrating means, as equipment day-to-day operation state evaluation foundation.
Also not yet find similar application at home and abroad at present, this device belongs to fills up domestic and international industry blank.
Utility model content
For the current present situation mid-cabinet-type air conditioner tool performance not being had to checkout equipment, by developing the sensors such as special operational torque, stroke, the important parameters such as the operation operational torque of middle-placed switch cabinet are measured, automatically operational torque, cabinet travel relationships curve is drawn out, and automatic analysis goes out the difference of this device parameter and canonical parameter and history parameters, thus provide scientific basis for repair based on condition of component, as equipment installation, batch production AB class maintenance final mass calibrating means, also can be used as equipment day-to-day operation state evaluation foundation.
For achieving the above object, the technical solution of the utility model is as follows: a kind of middle-placed switch cabinet handcart bite intelligent detection device, it is characterized in that, comprise operational torque measurement mechanism and stroke measuring device, described stroke measuring device is made up of revolution counter and counting circuit, described operational torque measurement mechanism is the simulation crank that torque sensor and circuit are housed, and operational torque measurement mechanism and stroke measuring device send the electric signal collected to data processing and control system respectively.
Further, described revolution counter is made up of shadow shield and photoelectric sensor, and described photoelectric sensor connects photoelectric tube, photoelectric sensor is fixed on above support, frame bottom is equipped with magnet, and magnet can inhale the optional position at cabinet, and photoelectric sensor can be aimed at shadow shield by adjusting pole.
Further, described shadow shield is fixed on torque sensor, and described shadow shield rotates with torque sensor.
Further, the joint of torque sensor end is square opening or sexangle, why the handcart of middle-placed switch cabinet can move, because filled a screw mandrel-nut gearing bottom handcart, rotary screw rod, namely nut can move linearly, and the end of screw mandrel is processed into square or sexangle and is convenient to insert crank operation, the joint of torque sensor end is processed into square opening, can insert leading screw end simulation crank and operate.
Further, data processing and control system connect warning device, and the hidden danger that breaks down is convenient to and alarm.
Further, described support is gimbals.
A kind of middle-placed switch cabinet handcart bite intelligent detecting method, is characterized in that, comprise the following steps:
Step one:. middle-placed switch cabinet moves in cabinet traveling process, and operational torque measurement mechanism and stroke measuring device send the electric signal collected to data processing and control system;
Step 2: by instant analysis, draws out operational torque-travel relationships curve to measurement gained operational torque and stroke variable quantity by coordinate system;
Step 3: Criterion diagram database, by measuring gained operational torque-stroke curve and same model, the typical curve of same specification compares in the same coordinate system;
Step 4: apparatus for establishing diagram database, compares the history curve measuring gained operational torque-stroke curve and same in the same coordinate system;
Step 5: difference and the handling suggestion of diagnosing out this product and same model same specification standardized product or this product historical data, and export test report and diagnosis.
In step one, stroke measuring device collection signal method is that photoelectric sensor connects photoelectric tube, when the hole of shadow shield is passed through in the middle part of photoelectric sensor, the light of reception is produced as electric signal by photoelectric tube, when shadow shield turns over 0.5 circle, light is blocked, it is zero that photoelectric tube exports, during shadow shield continuous rotation, photoelectric tube will produce the electric pulse relevant with revolution, this succession of electrical pulses amplifies after shaping through oversampling circuit, by cable transfer to metering circuit, then by software, revolution N is multiplied by the pitch S of operating axis, the computing formula obtaining stroke is: L=S*N.
The beneficial effect that the utility model reaches: a kind of middle-placed switch cabinet handcart bite intelligent detection device described in the utility model carries out mechanical property by operational torque measurement mechanism and stroke measuring device and carries out detecting, analyzing, can objective, accurately middle-placed switch cabinet handcart travel condition is judged, analysis of failure hidden danger early, the installation of sensor does not affect original performance and the reliability of equipment.Measuring method is simple, does not increase site examining and repairing workload.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model stroke measuring device;
Fig. 3 is the structural representation of the utility model operational torque measurement mechanism;
Fig. 4 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figures 1 to 4, a kind of middle-placed switch cabinet handcart bite intelligent detection device, it is characterized in that, comprise operational torque measurement mechanism 2 and stroke measuring device 3, described stroke measuring device 3 is made up of revolution counter and counting circuit, described revolution counter is made up of shadow shield 4 and photoelectric sensor 6, described shadow shield 4 is fixed on torque sensor 5, the joint of torque sensor end is square opening, described shadow shield 4 rotates with torque sensor 5, described photoelectric sensor 6 connects photoelectric tube, photoelectric sensor is fixed on above gimbals 11, magnet 10 is housed bottom gimbals, magnet 10 is provided with magnet contactor 11, described operational torque measurement mechanism 2 is for being equipped with the simulation crank of torque sensor and circuit, when carrying out moment inspecting to middle-placed switch cabinet 1, substitute first wife with this simulation crank to simulate crank and carry out breaking-closing operating, operational torque measurement mechanism 2 and stroke measuring device 3 send the electric signal collected to data processing and control system 8 respectively, data processing and control system 8 connect warning device.
Data processing and control system 8 are a set of diagnostic tool software, by the isoparametric arrangement of bite intelligence to a large amount of middle-placed switch cabinet, analysis, checking, draw the threshold value of the various parameters affecting middle-placed switch cabinet safe operation, founding mathematical models.As long as user's typing test data, inputs corresponding instruction, data processing and the automatic diagnosis of control system 8 energy go out difference and the handling suggestion of this product and same model same specification standardized product or this product historical data, and export test report.
A kind of middle-placed switch cabinet handcart bite intelligent detecting method, is characterized in that, comprise the following steps:
Step one:. middle-placed switch cabinet moves in cabinet traveling process, and operational torque measurement mechanism 2 and stroke measuring device 3 send the electric signal collected to data processing and control system 8.
Step 2: by instant analysis, draws out operational torque-travel relationships curve to measurement gained operational torque 2 and stroke variable quantity 3 by coordinate system.
Step 3: Criterion diagram database, by measuring gained operational torque-stroke curve and same model, the typical curve of same specification compares in the same coordinate system.
Step 4: apparatus for establishing diagram database, compares the history curve measuring gained operational torque-stroke curve and same in the same coordinate system.
Step 5: difference and the handling suggestion of diagnosing out this product and same model same specification standardized product or this product historical data, and export test report and diagnosis.
In step one, stroke measuring device collection signal method is that photoelectric sensor 6 connects photoelectric tube, when the hole of shadow shield 4 is passed through in the middle part of photoelectric sensor 6, the light of reception is produced as electric signal by photoelectric tube, when shadow shield 4 turns over 0.5 circle, light is blocked, it is zero that photoelectric tube exports, during shadow shield continuous rotation, photoelectric tube will produce the electric pulse relevant with revolution, this succession of electrical pulses is after oversampling circuit 7 amplifies shaping, by cable transfer to metering circuit, then by software, revolution N is multiplied by the pitch S of operating axis, the computing formula obtaining stroke is: L=S*N.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. a middle-placed switch cabinet handcart bite intelligent detection device, it is characterized in that, comprise operational torque measurement mechanism and stroke measuring device, described stroke measuring device is made up of revolution counter and counting circuit, described operational torque measurement mechanism is the simulation crank that torque sensor and circuit are housed, and operational torque measurement mechanism and stroke measuring device send the electric signal collected to data processing and control system respectively.
2. a kind of middle-placed switch cabinet handcart bite intelligent detection device according to claim 1, it is characterized in that, described revolution counter is made up of shadow shield and photoelectric sensor, and described photoelectric sensor connects photoelectric tube, photoelectric sensor is fixed on above support, and frame bottom is equipped with magnet.
3. a kind of middle-placed switch cabinet handcart bite intelligent detection device according to claim 2, it is characterized in that, described shadow shield is fixed on torque sensor, and described shadow shield rotates with torque sensor.
4. a kind of middle-placed switch cabinet handcart bite intelligent detection device according to claim 1, it is characterized in that, the joint of torque sensor end is square opening or sexangle.
5. a kind of middle-placed switch cabinet handcart bite intelligent detection device according to claim 1, is characterized in that, data processing and control system connect warning device.
6. a kind of middle-placed switch cabinet handcart bite intelligent detection device according to claim 2, it is characterized in that, described support is gimbals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004038.2U CN205175679U (en) | 2015-12-07 | 2015-12-07 | In put cabinet handcart bite intellectual detection system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004038.2U CN205175679U (en) | 2015-12-07 | 2015-12-07 | In put cabinet handcart bite intellectual detection system device |
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| CN205175679U true CN205175679U (en) | 2016-04-20 |
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| CN201521004038.2U Active CN205175679U (en) | 2015-12-07 | 2015-12-07 | In put cabinet handcart bite intellectual detection system device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372053A (en) * | 2015-12-07 | 2016-03-02 | 江苏省电力公司检修分公司 | Centrally installed switchgear handcart stagnation intelligent detection apparatus and detection method |
| CN111641150A (en) * | 2020-06-04 | 2020-09-08 | 山东中安电力科技有限公司 | Convenient handcart rocking handle device for upper limit position and lower limit position of switch cabinet |
-
2015
- 2015-12-07 CN CN201521004038.2U patent/CN205175679U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372053A (en) * | 2015-12-07 | 2016-03-02 | 江苏省电力公司检修分公司 | Centrally installed switchgear handcart stagnation intelligent detection apparatus and detection method |
| CN111641150A (en) * | 2020-06-04 | 2020-09-08 | 山东中安电力科技有限公司 | Convenient handcart rocking handle device for upper limit position and lower limit position of switch cabinet |
| CN111641150B (en) * | 2020-06-04 | 2021-05-18 | 山东中安电力科技有限公司 | Convenient handcart rocking handle device for upper limit position and lower limit position of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee after: State Grid Corporation of China Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Address before: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee before: State Grid Corporation of China Patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee after: State Grid Corporation of China Patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Address before: 210000 Su Yuan Road, Jiangning Development Zone, Nanjing City, Nanjing, Jiangsu Province, -5 58 Co-patentee before: State Grid Corporation of China Patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH |