CN204287416U - One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device - Google Patents
One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device Download PDFInfo
- Publication number
- CN204287416U CN204287416U CN201420758228.2U CN201420758228U CN204287416U CN 204287416 U CN204287416 U CN 204287416U CN 201420758228 U CN201420758228 U CN 201420758228U CN 204287416 U CN204287416 U CN 204287416U
- Authority
- CN
- China
- Prior art keywords
- force value
- isolating switch
- sensor
- circuit breaker
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of equipped hydraulic mechanism of the utility model isolating switch single-pole circuit breaker force value and displacement measuring device, comprise strain bridge force value sensor and stay wire displacement sensor, and access the testing and control case of two sensor output signals simultaneously; Strain bridge force value sensor comprises pin and the locknut of built-in foil gauge, and pin is through arranging perforation of coordinating the upper clamping piece of isolating switch and the lower clamping piece of operating mechanism; Pin ends connects locknut, and head end is connected with stay wire displacement sensor by bracing wire; Stay wire displacement sensor is arranged on the underframe flange of isolating switch.Measured assembling force value by the strain bridge force value sensor being set directly at isolating switch and operating mechanism connecting portion, can use when not changing assembling process of products, measuring accuracy is high, and easy installation and removal is quick; The stay wire displacement sensor linked together is set by bracing wire, realizes single-pole circuit breaker force value and measure with the corresponding relation of displacement, thus form homologous thread relation.
Description
Technical field
The utility model belongs to high pressure sulfur hexafluoride breaker product scope, is specially a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device.
Background technology
Power equipment is the most important core of intelligent grid, and its normal operation is the basic assurance of power grid security, and the dependence of society to electric energy is also more and more higher, it is also proposed higher requirement to the safety of power-supply unit and reliability.Therefore, along with developing rapidly of power industry and power grid construction, the demand of the high pressure sulfur hexafluoride breaker of equipped hydraulic Die Huang mechanism is increasing, user is more and more high to the performance requirement of power equipment, and increasing power consumer wishes that Long-Time Service reliability is high and the product that combination property is more excellent.
The excellent mechanical property performance of high pressure sulfur hexafluoride breaker is the important guarantee of product quality, is also the prerequisite that product high reliability is run, and the size of divide-shut brake force value after single-pole circuit breaker assembling, be also the key factor affecting breaker mechanic property.But cannot measure for high pressure sulfur hexafluoride breaker single-pole circuit breaker assembling force value at present, also there is product mechanical property bad dispersibility and the low problem of reliability.
Utility model content
For problems of the prior art, the utility model provides a kind of easy to use, measuring accuracy is high, and testing reliability is strong, the equipped hydraulic mechanism isolating switch single-pole circuit breaker force value can measured high pressure sulfur hexafluoride breaker single-pole circuit breaker assembling force value and displacement measuring device.
The utility model is achieved through the following technical solutions:
A kind of equipped hydraulic mechanism of the utility model isolating switch single-pole circuit breaker force value and displacement measuring device, comprise strain bridge force value sensor and stay wire displacement sensor, and access the testing and control case of two sensor output signals simultaneously; Described strain bridge force value sensor comprises pin and the locknut of built-in foil gauge, and pin is through arranging perforation of coordinating the upper clamping piece of isolating switch and the lower clamping piece of operating mechanism; Pin ends connects locknut, and head end is connected with stay wire displacement sensor by bracing wire; Stay wire displacement sensor is arranged on the underframe flange of isolating switch.
Preferably, the middle part of pin circumferentially offers guide groove, and the termination of head end is that column is arranged and setting T-shaped with pin main body; Radially offer installation through hole in guide groove, foil gauge is arranged on to be installed in through hole, and the signal cable of foil gauge is drawn the input end being connected to testing and control case by head end.
Preferably, locknut and pin head end and between boring a hole, be respectively arranged with the anti-rotation pad be set on pin.
Preferably, stay wire displacement sensor by magnet adsorption on the underframe flange of isolating switch; Bracing wire is connected by screw with strain bridge force value sensor.
Preferably, testing and control case comprises casing, and is arranged on high-speed data acquisition card, capture card power supply, control out-put supply and the industrial computer in casing; Capture card power supply is used for providing electric power for high-speed data acquisition card, and the I/O port of high-speed data acquisition card connects industrial computer; High-speed data acquisition card output terminal connects operating mechanism through controlling out-put supply, and input end connects the output terminal of strain bridge force value sensor and stay wire displacement sensor respectively.
Further, high-speed data acquisition card comprises modulate circuit, A/D conversion chip, drives energy storage control chip, single-chip microcomputer and connection terminal; The collection signal of modulate circuit access strain bridge force value sensor and stay wire displacement sensor, modulate circuit output terminal connects the input end of single-chip microcomputer, single-chip microcomputer is connected with industrial computer and communicates, output terminal connection control out-put supply and the driving energy storage control chip successively of single-chip microcomputer, drives the output terminal of energy storage control chip to connect operating mechanism.
Further, high-speed data acquisition card also comprises two fracture input ends, for the divide-shut brake synchronism of the firm conjunction and firm branch and left and right sides arc-chutes of measuring isolating switch.
Compared with prior art, the utility model has following useful technique effect:
The utility model is measured assembling force value by the strain bridge force value sensor being set directly at isolating switch and operating mechanism connecting portion, and can use when not changing assembling process of products, measuring accuracy is high, and easy installation and removal is quick; The stay wire displacement sensor linked together is set by bracing wire, displacement can be detected in one-shot measurement simultaneously, thus single-pole circuit breaker force value can be realized measure with the corresponding relation of displacement, thus form homologous thread relation, be convenient to carry out technical Analysis to circuit breaker mechanical property; One-piece construction is simple, and compact, the scene of being easy to is carried, and can alleviate tester's labour intensity.
Further, strain bridge force value sensor design is become pin feature, it is identical with product pin that it installs external diameter.When testing, replace product pin with strain bridge force value sensor, it is convenient to change, and does not need to change the existing assembly technology of product; Utilize the guide groove arranged at middle part can provide space and position for the installation of foil gauge with installation through hole simultaneously, arranged by the column of opponent's g. slice header, while ensureing that folder from top to bottom connects.It can be the extraction headspace of signal cable.
Further, force value sensor is furnished with anti-rotation pad, is close to after lower bracket is installed and fixes with nut, can preventing strain bridge force value sensor from rotating when testing, improving measuring accuracy.
Further, be furnished with magnet bottom stay wire displacement sensor, be directly adsorbed on isolating switch underframe during installation, installing/dismounting is extremely convenient.
Further, carried out unifying to arrange and install by testing and control parts by casing, take up room little, protective capacities is good.The control to operating mechanism is met while utilizing separately power supply to ensure high-speed data acquisition card use; Utilize the industrial computer arranged, the visual curve that can realize testing force value and displacement shows, and can carry out curve reading; Control out-put supply and carry out order input by industrial computer, realize accurately controlling single-pole circuit breaker hydraulic mechanism, make the shortest unit interval of machine operation be 0.1S.
Further, high-speed data acquisition card utilizes regulations circuit to process the signal gathered, then is input in single-chip microcomputer through A/D conversion chip, processes; By two the breaker fracture input ends arranged, the divide-shut brake synchronism of firm conjunction, just branch and the left and right sides arc-chutes measuring isolating switch can be realized.
Accompanying drawing explanation
Fig. 1 is the use structural representation of the utility model transducing part.
Fig. 2 is the testing and control case schematic diagram described in the utility model example; 2a is front elevation, and 2b is front cross-sectional block diagram.
Fig. 3 always schemes for the structure described in the utility model embodiment.
Fig. 4 is the structural principle block diagram described in the utility model embodiment.
In figure: 1 is strain bridge force value sensor, and 2 is stay wire displacement sensor, and 3 is testing and control case, pin 4, anti-rotation pad 5, locknut 6,7 for installing through hole, 8 be magnet 9 is high-speed data acquisition card, 10 for controlling out-put supply, and 11 is upper clamping piece, and 12 is lower clamping piece, 13 is isolating switch, and 14 is operating mechanism.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.
A kind of equipped hydraulic mechanism of the utility model isolating switch single-pole circuit breaker force value and displacement measuring device, as shown in Figure 3, it comprises strain bridge force value sensor 1 and stay wire displacement sensor 2, and accesses the testing and control case 3 of two sensor output signals simultaneously; As shown in Figure 1, strain bridge force value sensor 1 comprises pin 4 and the locknut 6 of built-in foil gauge, and pin 4 is through arranging perforation of coordinating the upper clamping piece 11 of isolating switch 13 and the lower clamping piece 12 of operating mechanism; Pin 4 end connects locknut 6, and head end is connected with stay wire displacement sensor 2 by bracing wire; Stay wire displacement sensor 2 is arranged on the underframe flange of isolating switch 13.Wherein, as shown in Figure 1, the middle part of pin 4 circumferentially offers guide groove, and the termination of head end is that column is arranged and setting T-shaped with pin main body; Radially offer in guide groove and install through hole 7, foil gauge is arranged on to be installed in through hole 7, and the signal cable of foil gauge is drawn the input end being connected to testing and control case 3 by head end.The head end of locknut 6 and pin 3 and be respectively arranged with the anti-rotation pad 5 be set on pin 3 between boring a hole.
In this preferred embodiment, as shown in Figure 1, stay wire displacement sensor 2 is adsorbed on the underframe flange of isolating switch 13 by magnet 8; Bracing wire is connected by screw with strain bridge force value sensor 1.
As shown in Figure 2 and Figure 4, testing and control case 3 comprises casing, and is arranged on high-speed data acquisition card 9, capture card power supply, control out-put supply 10 and the industrial computer in casing; Capture card power supply is used for providing electric power for high-speed data acquisition card 9, and the I/O port of high-speed data acquisition card 9 connects industrial computer; High-speed data acquisition card 9 output terminal connects operating mechanism 14 through controlling out-put supply 10, and input end connects the output terminal of strain bridge force value sensor 1 and stay wire displacement sensor 2 respectively.High-speed data acquisition card 9 comprises modulate circuit, A/D conversion chip, drives energy storage control chip, single-chip microcomputer and connection terminal; The collection signal of modulate circuit access strain bridge force value sensor 1 and stay wire displacement sensor 2, modulate circuit output terminal connects the input end of single-chip microcomputer, single-chip microcomputer is connected with industrial computer 11 and communicates, output terminal connection control out-put supply 10 and the driving energy storage control chip successively of single-chip microcomputer, drives the output terminal of energy storage control chip to connect operating mechanism 14.High-speed data acquisition card 9 also comprises two fracture input ends, for the divide-shut brake synchronism of the firm conjunction and firm branch and left and right sides arc-chutes of measuring isolating switch.
Concrete, as shown in Figure 3, adopt hydraulic pressure Die Huang mechanism as operating mechanism 14, the utility model comprises transducing part and testing and control part.As shown in Figure 1, transducing part comprises strain bridge force value sensor 1 and stay wire displacement sensor 2.The pin that peg type force snesor 1 assembles mutually with isolating switch 13 and operating mechanism 14 is measure-alike, replace pin to be installed to during test and connect Die Huang mechanism and single-pole circuit breaker body translation seal bar and hydraulic mechanism junction, as shown in Figure 1, namely be arranged on upper clamping piece 11 and lower clamping piece 12 that piston rod is interconnected cooperation, and be fixed with anti-rotation pad 5; Stay wire displacement sensor 2 bottom belt magnet 8, is adsorbed onto during use on the underframe of isolating switch 13, and bracing wire is connected with strain bridge force value sensor 1; As shown in Figure 1, when piston rod moves up and down, strain bridge force value sensor 1 also moves up and down with piston rod, and the institute's stress value signal collected; The bracing wire of stay wire displacement sensor 2 is moved with strain bridge force value sensor 1 and is moved.The electric signal of two sensors is sent into testing and control case 3 by cable and carries out data acquisition, record and storage, thus determine the corresponding relation of force value and displacement.
Wherein, strain bridge force value sensor 1 through product folder from top to bottom to perforation, its two ends contact with the lower clamping piece 12 of operating mechanism 14, and middle part contacts with the upper clamping piece 11 of isolating switch 13; The lower clamping piece 12 that operating mechanism 14 is close to by anti-rotation pad 5 is arranged, and prevents strain bridge force value sensor 1 from rotating; The signal output part of strain bridge force value sensor 1 is connected with the high-speed data acquisition card 9 in testing and control case 3.
As shown in Figure 2, testing and control part is used for control voltage and the input in control time, and part of detecting comprises high-speed data acquisition card 9 and industrial control computer, and existing control statistical software is embedded in industrial computer, each several part is all integrated in casing, as shown in Figure 2.During test, the motor power of hydraulic pressure Die Huang mechanism, divide-shut brake solenoid valve, strain bridge force value sensor 1 and stay wire displacement sensor 2 are passed through rapid-acting coupling wiring with Survey control case respectively.
Wherein, control out-put supply 10 to be made up of inner AC/DC buffer circuit, technical grade chip, electronic devices and components, connection terminal, radioshielding housing etc.; Control out-put supply 10 to be connected with high-speed data acquisition card 9 by signal cable one end, the other end is connected with single-pole circuit breaker hydraulic mechanism by driving energy storage control chip; Be provided with the industrial computer of existing test procedure by 8 cun of TFT industry flat-panel monitor, graphic control panel, Intel NM10 high-speed chip group, memory bars, hard disk, almag structure casing, Windows XP operating system and Labview testing software form; Industrial computer is connected with high-speed data acquisition card 9 by signal cable.
Opening power, arranges motor operating time and electromagnet bounce time by industrial computer.Startup optimization, motor continues to suppress to hydraulic mechanism, reaches electromagnet bounce time and namely beats, piston rod action.Motor continues to suppress, and lead agency piston rod continues point (conjunction) lock, thus drives single-pole circuit breaker divide-shut brake.In divide-shut brake process, the signal of strain bridge force value sensor 1 and stay wire displacement sensor 2 synchronously passes industrial computer back, after treatment, is obtained the curve display of force value, displacement by display interface.The result of force value displacement curve display can carry out preserving, inquiring about and can be derived by USB, be convenient to technician's accumulation and carry out data research, can for the curve of various running status in test process, comprise force value, displacement, just chalaza, just close the stroke after just dividing, and can consult historical data.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (7)
1. an equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device, it is characterized in that, comprise strain bridge force value sensor (1) and stay wire displacement sensor (2), and access the testing and control case (3) of two sensor output signals simultaneously; Described strain bridge force value sensor (1) comprises pin (4) and the locknut (6) of built-in foil gauge, and pin (4) is through arranging perforation of coordinating the upper clamping piece (11) of isolating switch (13) and the lower clamping piece (12) of operating mechanism; Pin (4) end connects locknut (6), and head end is connected with stay wire displacement sensor (2) by bracing wire; Stay wire displacement sensor (2) is arranged on the underframe flange of isolating switch (13).
2. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 1 and displacement measuring device, it is characterized in that, the middle part of described pin (4) circumferentially offers guide groove, and the termination of head end is that column is arranged and setting T-shaped with pin main body; Radially offer in guide groove and install through hole (7), foil gauge is arranged on to be installed in through hole (7), and the signal cable of foil gauge is drawn the input end being connected to testing and control case (3) by head end.
3. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 1 and displacement measuring device, it is characterized in that, the head end of locknut (6) and pin (3) and be respectively arranged with the anti-rotation pad (5) be set on pin (3) between boring a hole.
4. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 1 and displacement measuring device, it is characterized in that, described stay wire displacement sensor (2) is adsorbed on by magnet (8) on the underframe flange of isolating switch (13); Bracing wire is connected by screw with strain bridge force value sensor (1).
5. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 1 and displacement measuring device, it is characterized in that, described testing and control case (3) comprises casing, and is arranged on high-speed data acquisition card (9) in casing, capture card power supply, controls out-put supply (10) and industrial computer; Capture card power supply is used for providing electric power for high-speed data acquisition card (9), and the I/O port of high-speed data acquisition card (9) connects industrial computer; High-speed data acquisition card (9) output terminal connects operating mechanism (14) through controlling out-put supply (10), and input end connects the output terminal of strain bridge force value sensor (1) and stay wire displacement sensor (2) respectively.
6. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 5 and displacement measuring device, it is characterized in that, described high-speed data acquisition card (9) comprises modulate circuit, A/D conversion chip, drives energy storage control chip, single-chip microcomputer and connection terminal; The collection signal of modulate circuit access strain bridge force value sensor (1) and stay wire displacement sensor (2), modulate circuit output terminal connects the input end of single-chip microcomputer, single-chip microcomputer is connected with industrial computer (11) and communicates, output terminal connection control out-put supply (10) and the driving energy storage control chip successively of single-chip microcomputer, drives the output terminal of energy storage control chip to connect operating mechanism (14).
7. a kind of equipped hydraulic mechanism isolating switch single-pole circuit breaker force value according to claim 5 and displacement measuring device, it is characterized in that, described high-speed data acquisition card (9) also comprises two fracture input ends, for the divide-shut brake synchronism of the firm conjunction and firm branch and left and right sides arc-chutes of measuring isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758228.2U CN204287416U (en) | 2014-12-04 | 2014-12-04 | One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758228.2U CN204287416U (en) | 2014-12-04 | 2014-12-04 | One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287416U true CN204287416U (en) | 2015-04-22 |
Family
ID=52870565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758228.2U Active CN204287416U (en) | 2014-12-04 | 2014-12-04 | One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204287416U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423887A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | System for collecting displacements of breaker contact terminal and method for collecting displacements of breaker contact terminal |
| CN105424525A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | Acquisition system, judgment system, acquisition method and judgment method for circuit breaker contact wear |
| CN110044418A (en) * | 2019-04-28 | 2019-07-23 | 深圳市力准传感技术有限公司 | Combined type is displaced dynamometer |
-
2014
- 2014-12-04 CN CN201420758228.2U patent/CN204287416U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423887A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | System for collecting displacements of breaker contact terminal and method for collecting displacements of breaker contact terminal |
| CN105424525A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | Acquisition system, judgment system, acquisition method and judgment method for circuit breaker contact wear |
| CN105424525B (en) * | 2015-12-18 | 2019-03-26 | 江苏森源电气股份有限公司 | Contact of breaker abrasion acquisition system judges system, acquisition method and judgment method |
| CN110044418A (en) * | 2019-04-28 | 2019-07-23 | 深圳市力准传感技术有限公司 | Combined type is displaced dynamometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101515520B (en) | Intelligent self-diagnosis medium-pressure vacuum circuit breaker | |
| CN201465883U (en) | Medium voltage vacuum breaker with function of state on-line monitoring | |
| CN204536502U (en) | High-pressure vacuum contactor mechanical property on-line monitoring system | |
| CN108196118A (en) | A kind of disconnecting switch output power of motor detection device | |
| CN204287416U (en) | One equipped hydraulic mechanism isolating switch single-pole circuit breaker force value and displacement measuring device | |
| CN205844484U (en) | A kind of portable high-pressure breaker mechanic property tester | |
| CN103592615B (en) | The intelligent test device of the built-in on-load switch of a kind of electric energy meter | |
| CN201965204U (en) | Comprehensive test system for mechanical properties of intelligent high-voltage switch | |
| CN205719524U (en) | A kind of push-button service-life detection instrument | |
| CN203117711U (en) | Portable type multifunctional data recorder | |
| CN205427140U (en) | High voltage circuit breaker stroke test testing system based on DSP | |
| CN202003227U (en) | Electrical measurement and control system with signal switching function | |
| CN201828236U (en) | Cable testing circuit | |
| CN212007767U (en) | Power transformer mechanical state detection system | |
| CN209167527U (en) | A kind of complete compatible assembly line electricity consumption energy table detection device | |
| CN206095489U (en) | A dynamometry contact for measuring twin columns level opens and shuts isolator and touches finger clamp force | |
| CN208255339U (en) | A kind of automobile ABS wiring harness detection table | |
| CN205229412U (en) | Visual portable circuit breaker operating device state detection device | |
| CN208254793U (en) | Mechanical Failure of HV Circuit Breaker vibration monitoring device | |
| CN217032989U (en) | Automatic detection device for railway hydraulic brake clamp | |
| CN109342992A (en) | A kind of complete compatible assembly line electricity consumption energy table detection device | |
| CN204649928U (en) | A kind of fault state of circuit breaker diagnostic device | |
| CN205067691U (en) | Circuit breaker detection device | |
| CN204020910U (en) | A kind of block of bow collector of electric locomotive proving installation | |
| CN2401709Y (en) | Work state intelligent monitoring instrument for oil well pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |