CN215867008U - Performance detection device of vacuum arc-extinguishing chamber - Google Patents
Performance detection device of vacuum arc-extinguishing chamber Download PDFInfo
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- CN215867008U CN215867008U CN202121380378.0U CN202121380378U CN215867008U CN 215867008 U CN215867008 U CN 215867008U CN 202121380378 U CN202121380378 U CN 202121380378U CN 215867008 U CN215867008 U CN 215867008U
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- extinguishing chamber
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Abstract
The utility model provides a vacuum interrupter's performance detection device, includes the cabinet body, the cabinet body includes electric connection's installation department and detection portion, and the installation department is used for fixed vacuum interrupter, detection portion is including the motion portion and the operation portion of mutually supporting, the motion portion includes the self-closing power detection device who is connected with vacuum interrupter's movable conducting rod, and the operation portion is including resistance detection device and dielectric property detection device that are used for detecting vacuum interrupter's resistance and dielectric property, still is equipped with the function switching pole at the operation portion, realizes switching over the function between dielectric property detection device and resistance detection device, the self-closing power detection device through the operation function switching pole. The installation part and the operation part are arranged in the same cabinet body in a centralized manner, so that the integrated design is realized, the automatic performance detection is carried out on the vacuum arc-extinguishing chamber, and the operation is convenient and has higher operation safety through the function switching among the dielectric performance detection device, the resistance detection device and the self-closing force detection device of the function switching rod.
Description
Technical Field
The utility model relates to an arc extinguish chamber detection device, in particular to a performance detection device of a vacuum arc extinguish chamber.
Background
The vacuum arc extinguish chamber is used for connecting and breaking current, belongs to a core component of a vacuum contactor, and needs enough self-closing force to ensure the use performance due to the existence of the vacuum degree in the vacuum arc extinguish chamber and the initial pressure of a corrugated pipe, the pressure in the vacuum arc extinguish chamber is generally not higher than 5X10-4Pa, the contact distance in the vacuum arc extinguish chamber is small, the enough vacuum degree is needed to ensure the dielectric performance, and after the vacuum arc extinguish chamber is assembled, the vacuum arc extinguish chamber needs to be subjected to contact resistance, self-closing force and dielectric performance detection.
At present, the device for detecting the contact resistance, the self-closing force and the dielectric property of the vacuum arc-extinguishing chamber is two sets of independent equipment, the operation process is complex, manual operation is needed, and the operation safety is poor.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an integrated performance detection device of a vacuum arc-extinguishing chamber, which is simple and convenient to operate and high in operation safety.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a vacuum interrupter's performance detection device, includes the cabinet body, the cabinet body includes electric connection's installation department and detection portion, and the installation department is used for fixed vacuum interrupter, detection portion is including the motion portion and the operation portion of mutually supporting, the motion portion includes the self-closing power detection device who is connected with vacuum interrupter's movable conducting rod, and the operation portion is including resistance detection device and the dielectric property detection device that are used for detecting vacuum interrupter's resistance and dielectric property the operation portion still is equipped with the function switching pole, realizes switching over the function between dielectric property detection device and resistance detection device, the self-closing power detection device through the operation function switching pole.
Further, still be equipped with safety switch on the cabinet body, safety switch and the cabinet door cooperation of the cabinet body, trigger safety switch when the cabinet door is closed, make performance detection device can normally work, and when the cabinet door was opened, performance detection device can not work.
Further, be equipped with electrically conductive clamp on the installation department, vacuum interrupter passes through electrically conductive clamp and resistance detection device, dielectric property detection device cooperation.
Further, self-imposed power detection device includes stroke detection device, connecting rod and pressure measurement, stroke detection device passes through the connecting rod and is connected with vacuum interrupter's the conducting rod that moves, and stroke detection device drive connecting rod pulling moves the conducting rod, and pressure measurement obtains the pulling force value through cooperating with stroke detection device and detects in order to realize the self-imposed power to vacuum interrupter.
Further, when the connecting rod pulls the movable conducting rod to disconnect the static contact of the vacuum arc-extinguishing chamber, the pulling force value obtained by the pressure detection device is the initial self-closing force of the vacuum arc-extinguishing chamber, and after the connecting rod continues to pull the movable conducting rod for a certain distance, the pulling force value obtained by the pressure detection device is the final self-closing force of the vacuum arc-extinguishing chamber.
Further, the connecting rod is in threaded connection with the movable conducting rod; the stroke detection device is a vernier caliper or a micrometer.
Further, the installation department includes first support, second support, third support and fourth support, first support, second support set up the last downside at the cabinet body respectively, and third support and fourth support parallel arrangement are between first support and second support, reserve between third support and fourth support to have the installation space who is used for installing vacuum interrupter, and self-imposed power detection device sets up between fourth support and second support.
Further, be provided with first electrically conductive clamp on the third support, be equipped with the electrically conductive clamp of second on the fourth support, be equipped with the connecting hole on the electrically conductive clamp of second the connecting rod of self-imposed power detection device has worn to connect in the connecting hole, the one end of connecting rod is connected with vacuum interrupter's the conducting rod that moves, and the connecting rod drives and moves the conducting rod and the electrically conductive cooperation of pressing from both sides of second.
Furthermore, the operation portion is further provided with a power button, an emergency stop button, an indicator light and a display screen, the power button is operated to achieve power on or off, the emergency stop button is operated to stop the performance detection device, the indicator light is used for indicating that the power is in an on or off state, and the display screen is used for displaying detection results of the resistance detection device, the self-closing force detection device and the dielectric performance detection device.
Further, the operation part is a panel on one side of the closed cabinet body or a side wall on one side of the cabinet body.
According to the performance detection device of the vacuum arc-extinguishing chamber, the installation part and the detection part are arranged in the same cabinet body in a centralized manner, so that an integrated design is realized, the detection part is matched with the installation part to realize automatic performance detection of the vacuum arc-extinguishing chamber, the operation part is provided with the function switching rod, the function switching among the dielectric performance detection device, the resistance detection device and the self-closing force detection device is realized by operating the function switching rod, the operation is convenient, and the operation safety is high.
In addition, still be equipped with safety switch on the cabinet body, safety switch is used for with the cabinet door cooperation in order to show installation department and detection portion normal operating, triggers safety switch when opening and close the cabinet door, has further improved the operation security of device.
Drawings
FIG. 1 is a schematic structural diagram of a performance testing device for a vacuum interrupter according to the present invention;
FIG. 2 is a schematic structural diagram (operation part) of a performance detection device of a vacuum interrupter according to the present invention;
fig. 3 is a detection schematic diagram of a performance detection device of a vacuum arc-extinguishing chamber of the utility model.
Detailed Description
The following describes a specific embodiment of the performance detection device for a vacuum interrupter according to the present invention with reference to the embodiments shown in fig. 1 to 3. A performance detecting apparatus of a vacuum interrupter of the present invention is not limited to the description of the following embodiments.
The utility model provides a vacuum interrupter's performance detection device, includes the cabinet body, the cabinet body includes electric connection's installation department 1 and detection portion, and installation department 1 is used for fixed vacuum interrupter 6, detection portion is including the motion portion and the operation portion 3 of mutually supporting, the motion portion includes the self-closing force detection device who is connected with vacuum interrupter 6's movable conducting rod, and operation portion 3 is including resistance detection device 4 and dielectric property detection device 5 that are used for detecting vacuum interrupter 6's resistance and dielectric property operation portion 3 still is equipped with function switching rod 34, realizes switching over the function between dielectric property detection device 5 and resistance detection device 4, the self-closing force detection device through operation function switching rod 34.
According to the performance detection device of the vacuum arc-extinguishing chamber, the installation part 1 and the detection part are arranged in the same cabinet body in a centralized manner, so that an integrated design is realized, the detection part is matched with the installation part 1 to realize automatic performance detection on the vacuum arc-extinguishing chamber 6, the operation part 3 is provided with the function switching rod 34, the function switching among the dielectric performance detection device 5, the resistance detection device 4 and the self-closing force detection device 4 is realized through operating the function switching rod 34, the operation is convenient, and the operation safety is high.
With reference to fig. 1-3, an embodiment is described in detail, the performance detection device of the vacuum interrupter 6 includes a cabinet, the cabinet includes an installation portion 1 and a detection portion, the vacuum interrupter 6 is fixed on the installation portion 1 and is electrically connected to the detection portion, the detection portion includes a motion portion and an operation portion 3, the motion portion and the installation portion 1 are mutually matched, the motion portion and the installation portion 1 are jointly disposed in the middle of the cabinet, the installation portion 1 is disposed on the upper portion of the cabinet, a conductive clip is disposed on the installation portion 1, the conductive clip is matched with a conductive rod of the vacuum interrupter 6 to realize electrical connection, the motion portion is disposed below the installation portion 1, the motion portion 1 includes a self-closing force detection device, and the self-closing force detection device can drive the vacuum interrupter 6 to close and open for self-closing force detection; the operation part 3 is a panel on one side of a closed cabinet body or an operation panel directly formed by a side wall on one side of the cabinet body, the operation part 3 comprises a resistance detection device 4, a dielectric property detection device 5, a power button 31, a function switching rod 34 and a display screen 35, wherein the resistance detection device 4 and the dielectric property detection device 5 are respectively and electrically connected with the vacuum arc extinguish chamber 6 through a conductive clamp of the installation part 1, the power button 31 is used for switching on or off a working power supply of equipment, when the power supply is switched on, the resistance detection device 4, the self-closing force detection device and the dielectric property detection device 5 work through the operation part 3, the contact resistance, the self-closing force and the dielectric property of the vacuum arc extinguish chamber 6 are detected, wherein the resistance detection is carried out on the contact resistance of the vacuum arc extinguish chamber 6 in a contact closing state, the dielectric property detection is carried out in a contact opening state, therefore, the dielectric property detection is required after the self-closing force detection is completed, in the detection process, the function switching between the dielectric property detection device 5 and the resistance detection device 4 and the self-closing force detection device is realized through the function switching rod 34, and the display screen 35 is used for displaying the detection and analysis results of the self-closing force detection device, the resistance detection device 4 and the dielectric property detection device 5, the state of the vacuum arc-extinguishing chamber 6 and the like.
In this embodiment, the function switching lever 34 has two positions (M position and N position in the drawing), when the function switching lever 34 is pulled to the first position, i.e., the M position, the resistance detection device 4 and the self-closing force detection device can detect the resistance and the self-closing force of the vacuum interrupter 6, and when the function switching lever 34 is pulled to the second position, i.e., the N position, the dielectric property detection device 5 can be activated to perform power frequency withstand voltage detection during vacuum arc extinction. The performance of the vacuum interrupter 6 is preferably detected as shown in fig. 3, that is, after the vacuum interrupter 6 is assembled in the mounting portion 1, the function switching lever 34 is preferably switched to the M position, and after the resistance detection and the self-closing force detection are sequentially performed, the function switching lever 34 is switched to the N position to perform the power frequency withstand voltage detection, and in the power-on state, the mounting portion 1 and the detection portion are connected by a wire, so that the resistance detection device 4 and the dielectric property detection device 5 operate to automatically detect the vacuum interrupter 6.
In the present embodiment, the mounting portion 1 includes a first bracket 11, a second bracket 12, a third bracket 13 and a fourth bracket 14, the first bracket 11 and the second bracket 12 are respectively disposed on the upper side and the lower side of the cabinet, the third bracket 13 and the fourth bracket 14 are disposed in parallel between the first bracket 11 and the second bracket 12, the third bracket 13 and the fourth bracket 14 are located on the upper portion of the moving portion, the vacuum interrupter 6 is assembled in a mounting space reserved between the third bracket 13 and the fourth bracket 14, and the vacuum interrupter 6 is assembled in the mounting space, preferably vertically assembled between the third bracket 13 and the fourth bracket 14; be equipped with first electrically conductive clamp 15 on third support 13, first electrically conductive clamp 15 is used for the static conducting rod of centre gripping vacuum interrupter 6, is equipped with the electrically conductive clamp 16 of second on fourth support 14, and the electrically conductive central axis that presss from both sides 16 and first electrically conductive clamp 15 of second coincides with vacuum interrupter 6's the central axis, is equipped with the connecting hole at the middle part of the electrically conductive clamp 16 of second, the connecting hole cooperates with vacuum interrupter 6's the conducting rod that moves, makes resistance detection device 4 and dielectric property detection device 5 under the condition of switch-on power from this, detects vacuum interrupter 6.
The motion part comprises a self-closing force detection device connected with a movable conducting rod of the vacuum arc-extinguishing chamber 6, as shown in fig. 1, the mounting part 1 is arranged in the upper space in the cabinet body, and the self-closing force detection device is arranged below the mounting part 1, namely, between the second support 12 and the fourth support 14.
The self-closing force detection device comprises a connecting rod 23, a stroke detection device 22 and a pressure detection device 21, two ends of the connecting rod 23 are respectively connected with a movable conducting rod and the stroke detection device 22 of the vacuum arc-extinguishing chamber 6, a driving device is arranged inside the stroke detection device 22 and can be driven manually or electrically, the stroke detection device 22 can drive the connecting rod 23 to move axially, the connecting rod 23 can penetrate through a connecting hole in the second conducting clamp 16 to be connected with the movable conducting rod, the connecting rod 23 is preferably in threaded connection with the movable conducting rod, and in the embodiment, the stroke detection device 22 can be a vernier caliper or a micrometer.
The self-closing force detection is carried out in a contact closing state of the vacuum arc-extinguishing chamber 6, the function switching rod 34 needs to be switched to a first position, namely an M position, the pressure detection device 21 acquires a tension value through matching with the stroke detection device 22 to realize the self-closing force detection of the vacuum arc-extinguishing chamber 6, the stroke detection device 22 is driven to move along the direction for breaking the contact, the movable conducting rod of the vacuum arc-extinguishing chamber 6 is pulled downwards by the connecting rod 23, when the static contact of the vacuum arc-extinguishing chamber 6 is broken, the initial self-closing force is obtained at the position just disconnected, at the moment, the static contact of the vacuum arc-extinguishing chamber 6 is broken on the display screen 35, the tension value obtained by the pressure detection device 21 is the initial self-closing force of the vacuum arc-extinguishing chamber 6, after the connecting rod 23 continuously pulls the movable conducting rod for a distance, preferably, the stroke detection device 22 moves downwards at the speed of 10M/min, when the stroke is 2mm, the tension value obtained by the pressure detection device 21 is the final self-closing force of the vacuum arc-extinguishing chamber 6, and of course, when the final self-closing force is detected, the strokes of the vacuum arc-extinguishing chambers 6 of different specifications are different, and the movement speeds of the detection device 22 may also be different. After the self-closing force detection is finished, the driving device is not moved, the function switching rod 34 is moved to the second position, namely, the power frequency voltage withstand detection is carried out under the condition that the contact keeps the opening distance of 2mm, the contact does not need to be driven to be closed, and the original position is recovered after the power frequency voltage withstand detection is finished.
Other structures capable of guaranteeing operation safety can be further arranged in the embodiment, for example, a safety switch 18 shown in fig. 1 is additionally arranged, the safety switch 18 is preferably arranged on the cabinet body and is used for being matched with the cabinet door 17, the safety switch 18 is triggered when the cabinet door 17 is closed, so that the performance detection device can normally work, and when the cabinet door 17 is opened, the performance detection device cannot work. As shown in fig. 1, the safety switch 18 is connected in series in the power circuit of the performance detection device and is disposed at the edge of the cabinet body, when the cabinet door 17 is closed, the cabinet door 17 triggers the safety switch 18 to turn on the safety switch 18, at this time, the indicator lamp 32 and/or the display screen 35 can display that the installation part 1 and the detection part are normally operated, when the cabinet door 17 is opened, the cabinet door 17 is disengaged from the safety switch 18 to turn off the safety switch 18, and at this time, the installation part 1 and the detection part cannot normally operate.
Further, it is also possible to provide an emergency stop button 33 and an indicator lamp 32 in the operation portion 3, wherein the emergency stop button 33 stops the detection device when the detection device is out of order or otherwise, and the indicator lamp 32 is used to indicate whether the power supply of the detection device is turned on or off.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (10)
1. The utility model provides a vacuum interrupter's performance detection device, includes the cabinet body, the cabinet body includes electrical connection's installation department (1) and detection portion, and installation department (1) is used for fixed vacuum interrupter (6), its characterized in that: the utility model discloses a dielectric property detection device, including vacuum interrupter (6), operation portion (3) include the self-closing power detection device who is connected with the moving conducting rod of vacuum interrupter (6), operation portion (3) are including resistance detection device (4) and dielectric property detection device (5) that are used for detecting the resistance and the dielectric property of vacuum interrupter (6) operation portion (3) still are equipped with function switching rod (34), realize switching over the function between dielectric property detection device (5) and resistance detection device (4), the self-closing power detection device through operation function switching rod (34).
2. The performance testing device of the vacuum arc-extinguishing chamber according to claim 1, characterized in that: still be equipped with safety switch (18) on the cabinet body, safety switch (18) and cabinet door (17) cooperation of the cabinet body, trigger safety switch (18) when cabinet door (17) are closed, make performance detection device can normally work, when cabinet door (17) are opened, performance detection device can not work.
3. The performance testing device of the vacuum arc-extinguishing chamber according to claim 1, characterized in that: be equipped with on installation department (1) and electrically conduct the clamp, vacuum interrupter (6) are through electrically conducting clamp and resistance detection device (4), dielectric property detection device (5) cooperation.
4. The performance testing device of the vacuum arc-extinguishing chamber according to claim 1, characterized in that: self-imposed power detection device includes stroke detection device (22), connecting rod (23) and pressure measurement (21), stroke detection device (22) are connected with the movable conducting rod of vacuum interrupter (6) through connecting rod (23), and stroke detection device (22) drive connecting rod (23) pulling moves the conducting rod, and pressure measurement (21) obtain the pulling force value through cooperating with stroke detection device (22) and detect in order to realize the self-imposed power to vacuum interrupter (6).
5. The performance testing device of the vacuum arc-extinguishing chamber according to claim 4, characterized in that: when the connecting rod (23) pulls the movable conducting rod to disconnect the static contact of the vacuum arc-extinguishing chamber (6), the pulling force value obtained by the pressure detection device (21) is the initial self-closing force of the vacuum arc-extinguishing chamber (6), and after the connecting rod (23) continues to pull the movable conducting rod for a certain distance, the pulling force value obtained by the pressure detection device (21) is the final self-closing force of the vacuum arc-extinguishing chamber (6).
6. The performance testing device of the vacuum arc-extinguishing chamber according to claim 4, characterized in that: the connecting rod (23) is in threaded connection with the movable conducting rod; the stroke detection device (22) is a vernier caliper or a micrometer.
7. The performance testing device of the vacuum arc-extinguishing chamber according to claim 1, characterized in that: installation department (1) includes first support (11), second support (12), third support (13) and fourth support (14), first support (11), second support (12) set up the last downside at the cabinet body respectively, and third support (13) and fourth support (14) parallel arrangement are between first support (11) and second support (12), reserve the installation space who is used for installing vacuum interrupter (6) between third support (13) and fourth support (14), and self-imposed power detection device sets up between fourth support (14) and second support (12).
8. The performance testing device of claim 7, wherein: be provided with first electrically conductive clamp (15) on third support (13), be equipped with the electrically conductive clamp of second (16) on fourth support (14), be equipped with the connecting hole on the electrically conductive clamp of second (16) it has self-closing power detection device's connecting rod (23) to have worn to connect in the connecting hole, the one end of connecting rod (23) is connected with the conducting rod that moves of vacuum interrupter (6), and connecting rod (23) drive and move the conducting rod and electrically conduct clamp (16) cooperation with the second.
9. The performance testing device of the vacuum arc-extinguishing chamber according to claim 1, characterized in that: the operation part (3) is further provided with a power button (31), an emergency stop button (33), an indicator lamp (32) and a display screen (35), the power button (31) is operated to realize power on or off, the emergency stop button (33) is operated to stop the performance detection device, the indicator lamp (32) is used for indicating the power to be in an on or off state, and the display screen (35) is used for displaying detection results of the resistance detection device (4), the self-closing force detection device and the dielectric performance detection device (5).
10. The performance testing apparatus of the vacuum interrupter according to claim 1 or 9, wherein: the operating part (3) is a panel on one side of the closed cabinet body or a side wall on one side of the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380378.0U CN215867008U (en) | 2021-06-21 | 2021-06-21 | Performance detection device of vacuum arc-extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380378.0U CN215867008U (en) | 2021-06-21 | 2021-06-21 | Performance detection device of vacuum arc-extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867008U true CN215867008U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121380378.0U Active CN215867008U (en) | 2021-06-21 | 2021-06-21 | Performance detection device of vacuum arc-extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215867008U (en) |
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2021
- 2021-06-21 CN CN202121380378.0U patent/CN215867008U/en active Active
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