CN-121994141-A - High tension switchgear handcart contact depth of engagement measurement system

CN121994141ACN 121994141 ACN121994141 ACN 121994141ACN-121994141-A

Abstract

The invention discloses a high-voltage switch cabinet handcart contact engagement depth measurement system, in particular to the technical field of switch cabinet equipment, which comprises a cabinet body, an instrument room, a handcart room, a bus room, a cable room, a fixing mechanism and a vacuum circuit breaker arranged in the handcart room, wherein the instrument room, the handcart room, the bus room, the cable room and the vacuum circuit breaker are arranged on the cabinet body, the vacuum circuit breaker comprises a handcart room sliding rail in the handcart room, a resetting device, a pressure sensor for sectioning the handcart room sliding rail, a laser range finder for measuring displacement difference values of the vacuum circuit breaker, an inclination angle sensor for detecting inclination amount in the moving process of the vacuum circuit breaker and a vacuum circuit breaker sliding base, the pressure sensor, the laser range finder and the inclination sensor are connected with the control module through signals, the control module detects the moving state of the vacuum circuit breaker to judge whether each section of track is clean or not, and accurate judgment of the cleaning degree of the sliding rail of the car room is achieved, so that the moving accuracy of the vacuum circuit breaker is ensured, the vacuum circuit breaker reaches the working position, and good meshing of the movable contact and the fixed contact is ensured.

Inventors

WANG JIAN
FAN CHANGSHENG
FAN SHUNLONG
JIAO ZHIHAO
QI XIANGLIN
WANG LEI
XIE QINGSONG
YAN JUN
SHEN ZHONGLIANG
ZHANG LEI
GENG HENGJUN
HU JIE
HU JIAYU

Assignees

陕西赛普瑞电气有限公司

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (10)

1. The high-voltage switch cabinet handcart contact engagement depth measurement system comprises a cabinet body, wherein the cabinet body comprises an instrument room, a handcart room, a bus room, a cable room, a movable vacuum circuit breaker and a contact box, wherein the movable vacuum circuit breaker and the contact box are arranged in the handcart room; the vacuum circuit breaker comprises a vacuum circuit breaker pulley, a vacuum circuit breaker sliding base, a laser range finder for detecting the displacement of the vacuum circuit breaker, and an inclination angle sensor for detecting the inclination amount in the displacement process of the vacuum circuit breaker; The laser range finder, the inclination sensor and the pressure sensor are connected with a control module through signals, and the vacuum circuit breaker comprehensively judges whether to light a track cleaning lamp and whether the pneumatic valve resetting device pushes the vacuum circuit breaker outwards to the position of the last pressure sensor through the displacement difference value and the inclination amount when the vacuum circuit breaker moves on each section of sliding rail divided by the pressure sensor when the vacuum circuit breaker detects the vacuum circuit breaker to move by the control module, so that whether the section of handcart room sliding rail needs to be subjected to key cleaning is judged.
2. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 1, wherein the upper surface and the front elevation of the vacuum circuit breaker are used as bases, two laser rangefinders and an inclination sensor are installed on the upper surface of a laser sensor bracket, and the inclination sensor is installed on the upper surface of the inclination sensor bracket.
3. The system for measuring the meshing depth of the handcart contact of the high-voltage switch cabinet is characterized in that the laser range finder support comprises a laser range finder support panel, a laser range finder support bottom plate and a laser range finder support reinforcing plate, wherein laser range finder support connecting holes and laser range finder support fixing holes are formed in the laser range finder support panel, inclination sensor support fixing holes are formed in the laser range finder support bottom plate and are respectively connected with a vacuum circuit breaker through fixing bolts, and faces where two right-angle edges of the laser range finder support reinforcing plate are respectively fixedly connected with the laser range finder support panel and the laser range finder support bottom plate.
4. The system for measuring the meshing depth of the handcart contact of the high-voltage switch cabinet is characterized in that the inclination sensor support comprises an inclination sensor support panel, an inclination sensor support bottom plate and an inclination sensor support reinforcing plate, wherein an inclination sensor support connecting hole and an inclination sensor support fixing hole are formed in the inclination sensor support panel, the inclination sensor support bottom plate is provided with an inclination sensor support fixing hole which is connected with a vacuum circuit breaker through fixing bolts respectively, and the surfaces of two right-angle edges of the inclination sensor support reinforcing plate are fixedly connected with the inclination sensor support panel and the inclination sensor support bottom plate respectively.
5. The high-voltage switchgear trolley contact engagement depth measurement system of claim 1 wherein the control module comprises: the pressure detection unit is used for collecting the time when the front wheel of the vacuum circuit breaker passes through the pressure sensor; The distance detection unit is used for collecting the displacement difference value of the vacuum circuit breaker detected by the laser range finder; The inclination angle detection unit is used for collecting the inclination amount of the vacuum circuit breaker detected by the inclination angle sensor; The device comprises a data processing unit, wherein the pressure detection unit transmits the time for collecting the vacuum circuit breaker through a pressure sensor to the data processing unit, the distance detection unit transmits the displacement value of the vacuum circuit breaker detected by a collecting laser range finder to the data processing unit, the inclination detection unit transmits the inclination quantity of the vacuum circuit breaker detected by the collecting inclination sensor to the data processing unit, the data processing unit divides a handcart room slide rail into a plurality of sections according to the time for the front wheel of the vacuum circuit breaker to pass through the pressure sensor, and the data processing unit comprehensively judges whether a track cleaning lamp needs to be lightened or not according to the displacement difference value of the vacuum circuit breaker and the inclination quantity of the vacuum circuit breaker on each section and starts a reset device to push the vacuum circuit breaker out to the pressure sensor at the initial position of the handcart room slide rail of the section.
6. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 5, wherein the displacement difference value of the vacuum circuit breaker is a displacement distance difference value of two laser rangefinders relative to a contact box in the moving process of the vacuum circuit breaker.
7. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 1, wherein the sliding device comprises a handcart sliding rail arranged on the handcart and a limiting device fixedly connected to the outer side of the handcart sliding rail.
8. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 1, wherein a fixing mechanism is arranged on the contact surface of the front surface of the cabinet body and the handcart, a cross rod is arranged at the position corresponding to the front surface of the handcart and the fixing mechanism, and two ends of the cross rod are fixedly connected with the side surface of the handcart respectively.
9. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 1, wherein a reset device is arranged above the handcart room sliding rail, the tail part of the reset device is fixedly connected in the handcart room at the tail end of the handcart room sliding rail, and when the vacuum circuit breaker moves to the working position, the end part of the reset device is contacted with the sliding base of the vacuum circuit breaker.
10. The system for measuring the engagement depth of the handcart contact of the high-voltage switch cabinet according to claim 9, wherein a vacuum breaker handle is fixedly connected to the outer side of the sliding base of the vacuum breaker, and two vacuum breaker pulleys are respectively arranged on two sides of the sliding base of the vacuum breaker.

Description

High tension switchgear handcart contact depth of engagement measurement system Technical Field The invention relates to the technical field of handcart type switch cabinets, in particular to a handcart contact engagement depth measurement system of a high-voltage switch cabinet. Background The handcart-type switch cabinet is widely applied to the field of medium-high voltage power distribution, and has high safety requirements as key power distribution equipment therein. However, in the conventional handcart type switch cabinet, the movement and parking of the handcart only depend on the experience of an operator, the operator cannot accurately judge whether the vacuum circuit breaker reaches a working position or not in the moving-in process of the vacuum circuit breaker, and whether the moving contact and the static contact are in good contact or not, so that the operation of the handcart room switch cabinet is greatly influenced. The present invention proposes a solution to the above-mentioned problems. Disclosure of Invention In order to overcome the defects in the prior art, the embodiment of the invention provides a high-voltage switch cabinet handcart contact engagement depth measurement system, which solves the problems in the background art by arranging a fixing mechanism on the contact surface of a handcart and a cabinet body and arranging a handcart room sliding rail, a handcart sliding rail, a pressure sensor, a laser range finder, an inclination sensor and a resetting device. In order to achieve the above purpose, the present invention provides the following technical solutions: The high-voltage switch cabinet handcart contact engagement depth measurement system comprises a cabinet body, wherein the cabinet body comprises an instrument room, a handcart room, a bus room, a cable room, a movable vacuum circuit breaker and a contact box, the movable vacuum circuit breaker and the contact box are arranged in the handcart room, the handcart comprises a handcart pulley and a handcart handle, the handcart comprises a handcart room sliding rail arranged in the handcart room, a plurality of pressure sensors which are uniformly distributed on the handcart room sliding rail are arranged, a reset device which is arranged at the tail end of the handcart room sliding rail and is fixed in the handcart room is arranged on the reset device, the reset device comprises a sliding device arranged on the upper surface of the handcart, the vacuum circuit breaker comprises a vacuum circuit breaker pulley, a vacuum circuit breaker sliding base, a laser distance meter used for detecting the displacement of the vacuum circuit breaker, and an inclination sensor used for detecting the inclination amount in the displacement process, the laser distance meter, the inclination sensor and the pressure sensor are connected with a control module through signals, and the vacuum circuit breaker is used for comprehensively judging whether the displacement difference value and the inclination amount of each section of sliding rail divided by the pressure sensor are on the movement of the vacuum circuit breaker is on the basis of the control module when the vacuum circuit breaker is moved, and whether the vacuum circuit breaker is required to clear the vacuum circuit breaker is pushed out of the vacuum circuit breaker to the position of the reset device through the control module. In a preferred embodiment, the upper surface and the front elevation of the vacuum circuit breaker are used as bases, and two laser rangefinders and an inclination sensor are installed on the upper surface of a laser sensor bracket, and the inclination sensor is installed on the upper surface of the inclination sensor bracket. In a preferred embodiment, the laser range finder support comprises a laser range finder support panel, a laser range finder support bottom plate and a laser range finder support reinforcing plate, wherein a laser range finder support connecting hole and a laser range finder support fixing hole are formed in the laser range finder support panel, an inclination sensor support fixing hole is formed in the laser range finder support bottom plate and is connected with a vacuum circuit breaker through fixing bolts respectively, and the surfaces where two right-angle edges of the laser range finder support reinforcing plate are located are fixedly connected with the laser range finder support panel and the laser range finder support bottom plate respectively. In a preferred embodiment, the tilt sensor support comprises a tilt sensor support panel, a tilt sensor support bottom plate and a tilt sensor support reinforcing plate, wherein the tilt sensor support panel is provided with a tilt sensor support connecting hole and a tilt sensor support fixing hole, the tilt sensor support bottom plate is provided with a tilt sensor support fixing hole which is respectively connected with the vacuum circuit breaker through fixing bolts, and the faces