CN103954446A - Operation force-displacement curve testing device of breaker and automatic detection system thereof - Google Patents
Operation force-displacement curve testing device of breaker and automatic detection system thereof Download PDFInfo
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- CN103954446A CN103954446A CN201410218884.8A CN201410218884A CN103954446A CN 103954446 A CN103954446 A CN 103954446A CN 201410218884 A CN201410218884 A CN 201410218884A CN 103954446 A CN103954446 A CN 103954446A
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- servomotor
- isolating switch
- power sensor
- force
- leading screw
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Abstract
The invention discloses an operation force-displacement curve testing device of a breaker and an automatic detection system thereof. The operation force-displacement curve testing device comprises the breaker, a first servo motor, a first lead screw, a first force sensor, a second servo motor, a second lead screw, a third lead screw, a second force sensor and a support. The device adopts the servo motors to drives the force sensors to perform switching off-switching on-re-trip operation on a breaker handle through the lead screws. The servo motors feeds force signals of moving displacement and force sensors back to a signal conditioning module, the signal conditioning module transmit conditioned information to an acquisition board card, the acquisition board card transmits the information to an industrial control machine, and the industrial control machine draws a force-displacement curve graph through a data processing module. The operation force-displacement curve testing device can clearly reflect force exerted through the handle under the dynamic conditions of a four-connecting-rod mechanism and a five-connecting-rod mechanism when the handle is at the switching-off and re-trip positions. Stress analysis of the whole mechanism is facilitated, and the operation reliability of an operation mechanism is improved by optimizing the operation mechanism.
Description
Technical field
The present invention relates to a kind of proving installation and detection system, particularly relate to device and the automatic checkout system thereof of the measurement of the relation between measurement and circuit breaker release tripping force and the displacement curve of the characteristic relation between a kind of operating physical force and displacement curve of isolating switch.
Background technology
Isolating switch is one of main element in low-voltage distribution system, and low-voltage electrical apparatus detection is an important step of qualification low-pressure electronic equipment product quality, and the object of detection is exactly the regulation whether checking properties of product meet relevant criterion; Check whether product exists the various defects of impact operation in research and development; In addition, by the analysis to testing result, can find out and improve design, improve technological approach.Only independent test both opens device separating brake of existing test, closes a floodgate, the more maximum operating physical force of detaining and threading off, and can not show the size of handle in the suffered power in each position, and this helps limited to present research and development and emulation.
Summary of the invention
The problems referred to above that exist for the operation force-displacement curve proving installation of isolating switch in prior art, meet upper circuit breaker handle separating brake, combined floodgate, detain again the measurement of power-displacement, the invention provides a kind of operation force-displacement curve proving installation and automatic checkout system thereof of isolating switch, by leading screw drive sensor, circuit breaker handle is carried out to the operation of the button of separating brake-combined floodgate-again with servomotor.Servomotor feeds back to signal condition module displacement and the power sensor of motion force signal, signal condition module conditioned communication to analog input card, collection is applied for card and is transferred to industrial computer, and industrial computer is drawn out force-displacement curve figure by data processing module.
Technical scheme of the present invention is:
The operation force-displacement curve proving installation of isolating switch, comprises isolating switch, the first servomotor, the first leading screw, the first power sensor, the second servomotor, the second leading screw, the 3rd leading screw, the second power sensor, support, described the first servomotor is connected with the first leading screw, the first power sensor is arranged on the first leading screw, the first power sensor under the effect of the first servomotor along the first guide screw movement, the handle of isolating switch is carried out to separating brake-combined floodgate-buckle again operation, described the second servomotor is connected with the second leading screw, the second power sensor is arranged on the second leading screw, the second power sensor under the effect of the second servomotor along the second guide screw movement, electrical apparatus release mechanism to isolating switch operates, described the 3rd leading screw is arranged on the second power sensor, position that can up-down adjustment the second power sensor.
Further, described support comprises outer gimbal support and strand type support, described outer gimbal support is the rectangle frame structure of upper end open, this device is arranged on outer gimbal support, described strand type support is arranged on outer gimbal support, described isolating switch is placed on strand type support, and strand type support can carry out up-down adjustment to isolating switch, reaches the position of the handle of required measurement isolating switch.
Further, described the first servomotor and the second servomotor, as driving force sensor, can carry out displacement measurement and transmission simultaneously.
An automatic checkout system for the operation force-displacement curve proving installation of above-mentioned isolating switch, comprises electric control module, measurement module and data processing module; Described electric control module comprises the industrial computer, drive system, the servomotor that connect and communicate by letter successively, described servomotor comprises the first servomotor and the second servomotor, described measurement module comprises the servomotor, power sensor, signal condition module and the data collecting plate card that connect and communicate by letter successively, and described power sensor comprises the first power sensor and the second power sensor; Described servomotor is also to signal condition module communication, described power sensor also with the intercommunication of isolating switch, described industrial computer also with the intercommunication of data collecting plate card, data after the conditioning of signal condition module are gathered by data collecting plate card, finally process and draw the curve map of synchronizeing of exerting oneself with displacement with data processing module at industrial computer, clearly show that isolating switch grasps lever operated power and the curve map of electrical apparatus release under different displacements.
Further, described electric control module is by industrial computer by the servomotor in data collecting card control-driven system, and servomotor expulsive force sensor is realized the mechanically actuated to isolating switch.
The invention has the beneficial effects as follows:
The present invention is by the curve map of drafting power-displacement, can clearly reflect handle at four-bar mechanism, five-bar mechanism handle the size of the power that applies under the current intelligence during in separating brake and buckle position.Can calculate upper connecting rod, the stressing conditions of lower link under different situations according to the dynamic force of its measurement, this is helpful to the force analysis in whole mechanism design.Research staff can pass through the stressing conditions analysis to different phase, optimize the operating mechanism of oneself, for example, can select corresponding thrermostatic bimetal-plate or magnetictrip, improve operating mechanism operational reliability, increase the mechanical life of product, reach the object of products perfection.
Brief description of the drawings
Fig. 1 is the structural representation of the operation force-displacement curve proving installation of isolating switch of the present invention;
Fig. 2 is the detecting electric schematic diagram of automatic checkout system of the present invention;
Fig. 3 is force-displacement curve figure;
Mechanism map when Fig. 4 is handle separating brake and buckle position;
Mechanism map when Fig. 5 is handle combined floodgate;
Mechanism map when Fig. 6 is isolating switch automatically jumping.
In figure: 1, outer gimbal support; 2, the first servomotor; 3, the second servomotor; 4, in the first leading screw; 5, the second leading screw; 6, the first power sensor; 7, signal condition module; 8, the second power sensor; 9, strand type support; 10, isolating switch; 11, the 3rd leading screw; 12, industrial computer; 13, data processing module; 14, force-displacement curve figure; 15, data collecting card.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
In order to meet the separating brake, combined floodgate of upper circuit breaker handle, the measurement of the power-displacement under button state again, the present invention carries out to circuit breaker handle by leading screw drive sensor with servomotor that separating brake-combined floodgates-button operates again.Servomotor feeds back to signal condition module displacement and the power sensor of motion force signal, and signal condition module is conditioned communication to analog input card, and gathering applies for card is transferred to industrial computer, and industrial computer is drawn out force-displacement curve figure (Fig. 3).
The structure of the operation force-displacement curve proving installation of isolating switch of the present invention as shown in Figure 1, comprises isolating switch 10, the first servomotor 2, the first leading screw 4, the first power sensor 6, the second servomotor 3, the second leading screw 5, the 3rd leading screw 11, the second power sensor 8, support.The first servomotor 2 is connected with the first leading screw 4, and the first power sensor 6 is arranged on the first leading screw 4, and the first power sensor 6 moves along the first leading screw 4 under the effect of the first servomotor 2, and the handle of isolating switch 10 is carried out to separating brake-combined floodgate-buckle again operation; The second servomotor 3 is connected with the second leading screw 5, the second power sensor 8 is arranged on the second leading screw 5, the second power sensor 8 moves along the second leading screw 5 under the effect of the second servomotor 3, electrical apparatus release mechanism to isolating switch 10 operates, the 3rd leading screw 11 is arranged on the second power sensor 8, position that can up-down adjustment the second power sensor 8.
As a kind of preferred version, the support in the present invention comprises outer gimbal support 1 and strand type support 9.The rectangle frame structure that outer gimbal support 1 is upper end open, this device is arranged on outer gimbal support 1; Strand type support 9 is arranged on outer gimbal support 1, and isolating switch 10 is placed on strand type support 9, and strand type support 9 can carry out up-down adjustment to isolating switch 10, reaches the position of the handle of required measurement isolating switch 10.
As a kind of preferred version, the first servomotor 2 and the second servomotor 3 not only have the function of driving force sensor, have displacement measurement and transfer function simultaneously.
The detecting electric schematic diagram of automatic checkout system of the present invention as shown in Figure 2, comprises electric control module, measurement module and data processing module 13.Wherein: electric control module comprises the industrial computer 12, drive system 11, the servomotor that connect and communicate by letter successively, and servomotor comprises the first servomotor 2 and the second servomotor 3; Measurement module comprise successively connect and the servomotor of communication, power sensor, signal condition module 7(the present embodiment in signal condition module 7 preferably adopt LabVIEW software) and data collecting plate card 15, power sensor comprises the first power sensor 6 and the second power sensor (8).Servomotor is also communicated by letter to signal condition module 7, power sensor also with the intercommunication of isolating switch 10, industrial computer 12 also with the intercommunication of data collecting plate card 15, data after 7 conditionings of signal condition module are gathered by data collecting plate card 15, finally process and draw out force-displacement curve Figure 14 at industrial computer 12 use data processing modules 13, clearly show that isolating switch grasps lever operated power and the curve map of electrical apparatus release under different displacements.Electric control module is by industrial computer 12 by the servomotor in data collecting card 15 control-driven systems, and servomotor expulsive force sensor is realized the mechanically actuated to isolating switch.
Power-displacement measurement process of circuit breaker handle combined floodgate-separating brake-detain again situation is as follows:
Isolating switch is fixed on strand type support 9, by regulating strand type support 9 to regulate the height of isolating switch 10, the handle height of isolating switch 10 is reached open behind the position that will measure industrial computer 12 to send combined floodgate-separating brake-buckle again instruction to the first servomotor 2, the first servomotor 2 starts to drive the first leading screw 4 to rotate, and leading screw 4 drives the first power sensor 6 to close a floodgate-separating brake of isolating switch 10 handles-buckle again operation.The first servomotor 2 and the first power sensor 6 are corresponding signal feedback to industrial computer 12 simultaneously, and industrial computer 12 is drawn out corresponding curve map according to signal.Wherein, mechanism map when handle closes a floodgate as shown in Figure 5; The mechanism map of handle separating brake-buckle position as shown in Figure 4.In figure, each English alphabet represents respectively isolating switch: L is handle, and T is tripping, and M is snap close, and K is contact, and CB is upper connecting rod, and BA is lower link, E is main spring (being tension spring).
Power-displacement measurement process of the tripping mechanism of isolating switch is as follows:
Regulate the 3rd leading screw 11 to move up and down, the 3rd leading screw 11 navigates to the second servomotor 3 and the second power sensor 8 will measure behind the position that electrical apparatus release need measure, open industrial computer 12 the second servomotor 3 is sent to operational order, the second servomotor 3 starts to drive the second leading screw 5 to rotate, and the second leading screw 5 drives the second power sensor 8 to carry out tripping mechanism motion to isolating switch 10.The second servomotor 3 and the second power sensor 8 are corresponding signal feedback to industrial computer 12 simultaneously, and industrial computer 12 is drawn out corresponding curve map according to signal.Mechanism map when the de-mouth of isolating switch as shown in Figure 6.In figure, each English alphabet represents respectively isolating switch: L is handle, and T is tripping, and M is snap close, and K is contact, and CB is upper connecting rod, and BA is lower link, E is main spring (being tension spring).
The present invention is by the curve map of drafting power-displacement, can clearly reflect handle at four-bar mechanism (Fig. 4, Fig. 5), five-bar mechanism (Fig. 6) handle the size of the power that applies under the current intelligence during in separating brake and buckle position.Can calculate upper connecting rod, the stressing conditions of lower link under different situations according to the dynamic force of its measurement, can reflect that towbar promotes the dynamic force of tripping under different displacements, this is helpful to the force analysis in whole mechanism design.Can pass through the stressing conditions analysis to different phase according to this force-displacement curve research staff, optimize the operating mechanism of oneself, select corresponding thrermostatic bimetal-plate or magnetictrip, improve operating mechanism operational reliability, increase the mechanical life of product, reach the object of products perfection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the operation force-displacement curve of isolating switch test, is characterized in that: comprise isolating switch (10), the first servomotor (2), the first leading screw (4), the first power sensor (6), the second servomotor (3), the second leading screw (5), the 3rd leading screw (11), the second power sensor (8), support, described the first servomotor (2) is connected with the first leading screw (4), the first power sensor (6) is arranged on the first leading screw (4), the first power sensor (6) moves along the first leading screw (4) under the effect of the first servomotor (2), the handle of isolating switch (10) is carried out to separating brake-combined floodgate-buckle again operation, described the second servomotor (3) is connected with the second leading screw (5), the second power sensor (8) is arranged on the second leading screw (5), the second power sensor (8) moves along the second leading screw (5) under the effect of the second servomotor (3), electrical apparatus release mechanism to isolating switch (10) operates, described the 3rd leading screw (11) is arranged on the second power sensor (8), position that can up-down adjustment the second power sensor (8).
2. the operation force-displacement curve proving installation of a kind of isolating switch according to claim 1, it is characterized in that: described support comprises outer gimbal support (1) and strand type support (9), the rectangle frame structure that described outer gimbal support (1) is upper end open, this device is arranged on outer gimbal support (1), described strand type support (9) is arranged on outer gimbal support (1), described isolating switch (10) is placed on strand type support (9), (9 can carry out up-down adjustment to isolating switch (10) to strand type support, reach the position of the handle of required measurement isolating switch (10).
3. the operation force-displacement curve proving installation of a kind of isolating switch according to claim 1, is characterized in that: described the first servomotor (2) and the second servomotor (3), as driving force sensor, can carry out displacement measurement and transmission simultaneously.
4. an automatic checkout system for the operation force-displacement curve proving installation of isolating switch described in any one in claims 1 to 3, is characterized in that: comprise electric control module, measurement module and data processing module (13); Described electric control module comprises the industrial computer (12), drive system (11), the servomotor that connect and communicate by letter successively, described servomotor comprises the first servomotor (2) and the second servomotor (3), described measurement module comprises the servomotor, power sensor, signal condition module (7) and the data collecting plate card (15) that connect and communicate by letter successively, and described power sensor comprises the first power sensor (6) and the second power sensor (8); Described servomotor is also communicated by letter to signal condition module (7), described power sensor also with the intercommunication of isolating switch (10), described industrial computer (12) also with the intercommunication of data collecting plate card (15), data after signal condition module (7) conditioning are gathered by data collecting plate card (15), finally process and draw the displacement curve figure (14) that exerts oneself with data processing module (13) at industrial computer (12), clearly show that isolating switch grasps lever operated power and the curve map of electrical apparatus release under different displacements.
5. according to the automatic checkout system described in claim, it is characterized in that: described electric control module is by industrial computer (12) by the servomotor in data collecting card (15) control-driven system, and servomotor expulsive force sensor is realized the mechanically actuated to isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218884.8A CN103954446B (en) | 2014-05-22 | 2014-05-22 | The operation force-displacement curve test device of chopper and automatic checkout system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218884.8A CN103954446B (en) | 2014-05-22 | 2014-05-22 | The operation force-displacement curve test device of chopper and automatic checkout system thereof |
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| CN103954446A true CN103954446A (en) | 2014-07-30 |
| CN103954446B CN103954446B (en) | 2016-06-29 |
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| CN201410218884.8A Active CN103954446B (en) | 2014-05-22 | 2014-05-22 | The operation force-displacement curve test device of chopper and automatic checkout system thereof |
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| CN103954446B (en) | 2016-06-29 |
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Effective date of registration: 20160108 Address after: 211106 Jiangning economic and Technological Development Zone, Jiangsu, Hidden Dragon Road, No. 28, No. Applicant after: NANJING DAQO ELECTRIC INSTITUTE CO., LTD. Address before: 212211 Jiangsu city of Zhenjiang province Yangzhong city new town of New South Road, No. 66 Applicant before: Daquan Group Co., Ltd. |
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Effective date of registration: 20170913 Address after: Xinba Daquan 212200 Yangzhong Road, Zhenjiang City, Jiangsu province 66 Patentee after: Jiangsu Daquan Kai Kai switch Co., Ltd. Address before: 211106 Jiangning economic and Technological Development Zone, Jiangsu, Hidden Dragon Road, No. 28, No. Patentee before: NANJING DAQO ELECTRIC INSTITUTE CO., LTD. |
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| TR01 | Transfer of patent right | ||
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Address after: 212200 No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Daquan Kaifan switch Co.,Ltd. Address before: 212200 No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Daquan Kaifan Switch Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |