Insulation tester for backup power automatic switching device

Abstract

The application discloses a kind of self-provided device insulation test instruments, it is related to electrical equipment detection technical field.The cavity is cuboid shape, two opposite side walls of cavity are respectively hinged with No.1 door and No.2 door, and the top wall of cavity is respectively provided with No.1 screw hole and No.2 screw hole, and the top wall of cavity is further provided with two trigger cavities, the trigger cavity close to No.1 screw hole is communicated with No.1 screw hole, and the trigger cavity close to No.2 screw hole is communicated with No.2 screw hole;Two trigger cavities are all provided with trigger device;The free end of No.1 door and No.2 door is connected with No.1 screw hole, No.2 screw hole and the top wall of cavity by No.1 screw, No.2 screw.The application classifies and installs power equipment in insulation test instrument, effectively and safely detects installation state, triggers after installation is completed, avoids the security risk caused by misoperation, triggers by fiber optic microswitch, and trigger speed is fast.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electrical equipment detection, and particularly relates to an insulation tester for a backup power supply automatic switching device. BACKGROUND

[0002] The backup power supply automatic switching device, full name microcomputer line backup power supply automatic switching protection device, is a protection device, the core part of which is composed of a CPU module, a relay module, an alternating current power supply module and a man-machine dialogue module, etc., and has the advantages of strong anti-interference, stable reliability, convenient use, etc., and the liquid crystal digital display screen and the keys on the backup power supply automatic switching panel make the operation convenient and simple, and remote control can also be realized through the RS485 communication interface.

[0003] Insulation test is because electrical equipment is always under the action of various external factors during operation, and its performance will also change continuously, and under the influence of these adverse factors, power equipment is more likely to have unpredictable faults, and serious ones can even cause power operation interruption, so the power equipment should be subjected to insulation test before being put into operation to ensure the safe and stable operation of the power system, and the backup power supply automatic switching device also needs to be subjected to relevant insulation test.

[0004] The inventor finds that the existing insulation test device generally installs and removes the parts to be tested in a closed cavity, and since there may be residual electric arc in the closed cavity, it is dangerous and there is a risk of electric shock to the operator. The inventor also finds that in the prior art, insulation test is often performed through remote control, but during operation, it is found that there is a lack of safe and effective triggering device to detect whether the power equipment is installed, and generally, the operator needs to manually report after installation, which is very inconvenient, and the accuracy is difficult to guarantee. If the remote control platform takes insulation test due to receiving false information when the power equipment is not installed, the test device will be damaged and the safety of the operator will be at risk. SUMMARY

[0005] The purpose of the present application is to provide an insulation tester for a backup power supply automatic switching device, which can classify and install power equipment in the insulation tester, effectively and safely detect the installation state, trigger after installation is completed, further avoid safety hazards caused by misoperation of personnel, and trigger through a fiber optic micro switch, so that the triggering speed is fast.

[0006] To solve the above technical problems, the present application is implemented through the following technical scheme:

[0007] The application discloses a kind of self-provided device insulation test instruments, including cavity, the cavity is cuboid shape, the cavity opposite two side walls are respectively hinged with No. 1 door and No. 2 door, the top wall of the cavity two ends are respectively provided with No. 1 screw hole and No. 2 screw hole, the top wall of the cavity is also provided with two trigger cavities, trigger cavity close to No. 1 screw hole is communicated with No. 1 screw hole, trigger cavity close to No. 2 screw hole is communicated with No. 2 screw hole;Two described trigger cavities are all provided with trigger device;The free end of No. 1 door and No. 2 door is connected with No. 1 screw hole, No. 2 screw hole and the top wall of cavity by No. 1 screw and No. 2 screw.

[0008] Preferably, the trigger device includes a rotating rod disposed at the bottom of the trigger cavity and a trigger special-shaped block fixedly disposed on the rotating rod, the top of the rotating rod is fixedly connected with a connecting rod, the end of the connecting rod is connected with a rotating roller, and the rotating roller extends into the No. 1 screw hole or the No. 2 screw hole close to the trigger cavity.

[0009] Preferably, the trigger cavity is also provided with an optical fiber microswitch, the rotating roller is forced to tilt, the trigger special-shaped block is pressed to press the optical fiber microswitch, the optical fiber microswitch is deformed to generate a signal.

[0010] Preferably, the trigger special-shaped block is in the shape of an ellipse and is centrally symmetric along the center thereof.

[0011] Preferably, the optical fiber microswitch includes a base, the center of the base is disposed on the axis of the initial position of the connecting rod, and the two ends of the base are symmetrically provided with a left trigger optical fiber and a right trigger optical fiber.

[0012] Preferably, the top wall of the cavity is provided with a driving cavity, the driving cavity is provided with a motor, the output shaft of the motor is connected with a lead screw, the lead screw is slidably provided with a sliding block, and the sliding block is provided with a clamping device.

[0013] Preferably, the clamping device includes a square clamping device and an arc-shaped clamping device, the arc-shaped clamping device includes an upper clamping part and a lower clamping part, and the upper clamping part and the lower clamping part are used in cooperation with each other, the square clamping device includes a left clamping plate and a right clamping plate, and a pneumatic cylinder is arranged between the left clamping plate and the right clamping plate.

[0014] Preferably, the top of the left clamping plate and the right clamping plate is further provided with a pneumatic cylinder fixing plate, the pneumatic cylinder is detachably connected with the pneumatic cylinder fixing plate, and the left clamping plate and the pneumatic cylinder fixing plate and the right clamping plate and the pneumatic cylinder fixing plate are connected in a hinged manner.

[0015] Preferably, the inner concave surfaces of the upper clamping part and the lower clamping part are provided with a plurality of adjusting springs, and the adjusting springs are distributed in a circumferential array along the inner concave surfaces of the upper clamping part and the lower clamping part.

[0016] Preferably, the number of said cylinders is 2-4.

[0017] The present application has the following advantages:

[0018] 1、The present application can classify and install the power equipment in the insulation tester, clamps the equipment with arc surface by the upper clamping part and the lower clamping part, clamps the equipment with non-arc shape by the left clamping plate and the right clamping plate, so that the clamping effect is better;

[0019] 2、The adjusting spring of the concave surface in the upper clamping part and the lower clamping part can realize stable clamping of the different size arc-shaped equipment to be clamped, and provide an elastic self-adaptive clamping force;

[0020] 3、The present application can realize effective and safe detection of the installation state, and the detection means is very simple and easy to operate, only need the operator to close the first door and the second door after the equipment is installed, screw the first screw into the first screw hole, screw the second screw into the second screw hole, can accurately trigger remotely, the design is ingenious;

[0021] 4、The present application is triggered after installation, further avoids the safety hazard caused by the misoperation of the operator, and improves the safety factor;

[0022] 5、The trigger special-shaped block designed by the present application has a unique shape, cooperates with the symmetrically arranged fiber micro switch, can cleverly realize bidirectional triggering; at the same time, due to the symmetrical structure of the trigger special-shaped block designed by the present application, and the unique triggering mode of the present application by screwing the screw to trigger, the installation is more convenient, the rotating roller of the trigger device can be installed at any position near the center of the bottom of the first screw hole and the second screw hole;

[0023] 6、The present application triggers by the fiber micro switch, and the triggering speed is fast.

[0024] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0027] Figure 2 It is a schematic diagram of the overall structure of the present application;Figure 1 Structure enlarged view at A in FIG. 1;

[0028] Figure 3 Structure enlarged view at B in FIG. 1; Figure 1 Structure enlarged view at C in FIG. 1;

[0029] Figure 4 Structure enlarged view at D in FIG. 1;

[0030] Figure 5 Structure enlarged view at E in FIG. 1; Figure 4 Structure enlarged view at F in FIG. 1;

[0031] Figure 6 Structure enlarged view at G in FIG. 1.

[0032] Figure 7 Structure enlarged view at H in FIG. 1. Figure 7 Structure enlarged view at I in FIG. 1.

[0033] Figure 8 Structure enlarged view at J in FIG. 1. Figure 7 Structure enlarged view at K in FIG. 1.

[0034] Figure 9 Structure enlarged view at L in FIG. 1. Figure 7 Structure enlarged view at M in FIG. 1.

[0035] Figure 10 Structure enlarged view at N in FIG. 1.

[0036] Figure 11 Structure enlarged view at O in FIG. 1.

[0037] Figure 12 Structure enlarged view at P in FIG. 1.

[0038] Figure 13 Structure enlarged view at Q in FIG. 1. Figure 12 Structure enlarged view at R in FIG. 1.

[0039] In the drawings, the components represented by the respective reference numerals are listed as follows: 1 cavity, 2 first door, 3 second door, 4 first screw hole, 5 second screw hole, 6 trigger cavity, 7 trigger device, 8 rotating rod, 9 trigger special-shaped block, 10 connecting rod, 11 rotating roller, 12 optical fiber micro switch, 13 base, 14 left trigger optical fiber, 15 right trigger optical fiber, 16 driving cavity, 17 motor, 18 lead screw, 19 sliding block, 20 square clamping device, 21 arc-shaped clamping device, 22 upper clamping part, 23 lower clamping part, 24 left clamping plate, 25 right clamping plate, 26 air cylinder, 27 adjusting spring. DETAILED DESCRIPTION

[0040] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present application.

[0041] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner", "lower", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0042] Embodiment one:

[0043] Please refer to Figures 1-13 The present application is an insulation tester for backup power automatic switching device, which comprises a cavity 1, the cavity 1 is a cuboid shape, the cavity 1 has a hinge connection with a first door 2 and a second door 3 on the opposite two side walls, the top wall of the cavity 1 is provided with a first screw hole 4 and a second screw hole 5 at both ends, and the top wall of the cavity 1 is also provided with two trigger cavities 6, the trigger cavity 6 close to the first screw hole 4 is communicated with the first screw hole 4, and the trigger cavity 6 close to the second screw hole 5 is communicated with the second screw hole 5; the trigger device 7 is arranged in each of the two trigger cavities 6.

[0044] The free end of the first door 2 and the second door 3 is connected with the top wall of the cavity 1 through a first screw and a second screw, and in use, only the first screw is screwed into the first screw hole 4 and the second screw is screwed into the second screw hole 5, so that the fixed effect is realized. In the present application, the first screw and the second screw also have the function of triggering.

[0045] Further, the trigger device 7 comprises a rotating rod 8 arranged at the bottom of the trigger cavity 6 and a trigger special-shaped block 9 fixedly arranged on the rotating rod 8, the top of the rotating rod 8 is fixedly connected with a connecting rod 10, the end of the connecting rod 10 is connected with a rotating roller 11, and the rotating roller 11 extends into the first screw hole 4 or the second screw hole 5 close to the trigger cavity 6.

[0046] Further, the trigger cavity 6 is also provided with an optical fiber micro switch 12, the rotating roller 11 is forced to tilt, driving the trigger special-shaped block 9 to press the optical fiber micro switch 12, so that the optical fiber micro switch 12 is deformed to generate a signal.

[0047] Further, the shape of the trigger special-shaped block 9 is an oval shape which is symmetric along the center.

[0048] Further, the fiber optic microswitch 12 comprises a base 13, the center of the base 13 is arranged on the axis of the initial position of the connecting rod 10; the two ends of the base 13 are symmetrically provided with a left trigger fiber 14 and a right trigger fiber 15.

[0049] When the first screw and the second screw are screwed into the screw hole, as the first screw and the second screw are continuously screwed in, when the top of the first screw touches the rotating roller 11 and the top of the second screw touches the rotating roller 11, since the top of the screw is a sharp end, as the screw is screwed in, the sharp end gradually penetrates, and the cylindrical screw body will touch the rotating roller 11. At this time, an acting force will be generated on the rotating roller 11, causing the rotating roller 11 to displace, thereby driving the connecting rod 10 to displace, and the trigger special-shaped block 9 will rotate. Since in the initial position, the inner recess position of the trigger special-shaped block 9 is in a collinear position with the central axis of the fiber optic microswitch 12, when the trigger special-shaped block 9 rotates, it will drive the protruding position to trigger the left trigger fiber 14 or the right trigger fiber 15 of the fiber optic microswitch 12, thereby causing the left trigger fiber 14 or the right trigger fiber 15 to deform and generate a signal. According to the signal, certain logical operations are performed on the remote monitoring platform, thereby controlling the insulation test.

[0050] Further, the cavity 1 is provided with a driving cavity 16 in the top wall, the driving cavity 16 is provided with a motor 17, the output shaft of the motor 17 is connected with a lead screw 18, the lead screw 18 is slidably provided with a sliding block 19, and the sliding block 19 is provided with a clamping device.

[0051] Further, the clamping device comprises a square clamping device 20 and an arc-shaped clamping device 21; the arc-shaped clamping device 21 comprises an upper clamping part 22 and a lower clamping part 23, and the upper clamping part 22 and the lower clamping part 23 are used in cooperation; the square clamping device 20 comprises a left clamping plate 24 and a right clamping plate 25, and a pneumatic cylinder 26 is arranged between the left clamping plate 24 and the right clamping plate 25.

[0052] Further, the top of the left clamping plate 24 and the right clamping plate 25 is further provided with a pneumatic cylinder 26 fixing plate, and the pneumatic cylinder 26 is detachably connected with the pneumatic cylinder 26 fixing plate; the left clamping plate 24 and the pneumatic cylinder 26 fixing plate, and the right clamping plate 25 and the pneumatic cylinder 26 fixing plate are connected through a hinged mode, so as to realize the effect of stably clamping devices of different sizes by pushing the left clamping plate 24 and the right clamping plate 25 through the pneumatic cylinder 26.

[0053] Further, the inner recess surface of the upper clamping part 22 and the lower clamping part 23 is provided with a plurality of adjusting springs 27, and the adjusting springs 27 are distributed in a circumferential array along the inner recess surface of the upper clamping part 22 and the lower clamping part 23.

[0054] Further, the number of the cylinders 26 is three.

[0055] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Descriptive expressions of the above terms in the present specification do not necessarily refer to the same embodiment or example. Also, the specific feature, structure, material or characteristic described can be combined in an appropriate manner in any one or more embodiments or examples.

[0056] The preferred embodiments of the application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all of the details of the present application, nor limit the present application to the specific embodiments described. Obviously, many modifications and variations of the present application can be made in light of the teachings of the present specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited only by the claims and their full scope and equivalents.

Claims

1. An insulation tester for an automatic switching device, characterized in that, The device includes a cuboid-shaped cavity. A first door and a second door are hinged to two opposite side walls of the cavity. A first screw hole and a second screw hole are respectively provided at both ends of the top wall of the cavity. The top wall of the cavity also has two trigger chambers: the trigger chamber closer to the first screw hole is connected to the first screw hole, and the trigger chamber closer to the second screw hole is connected to the second screw hole. A triggering device is provided in each of the two trigger chambers. The free ends of both the first door and the second door are connected to the top wall of the cavity via a first screw and a second screw, respectively. When screws #1 and #2 are screwed into the screw holes, as they continue to be screwed deeper, when the top of screw #1 touches the rotating roller, and the top of screw #2 touches the rotating roller, the cylindrical screw body will touch the rotating roller as the screw tip gradually penetrates deeper. At this time, a force will be generated on the rotating roller, causing it to displace. This displacement of the rotating roller will in turn drive the connecting rod to move, thereby triggering the irregular block to rotate. Since the concave position of the trigger irregular block is collinear with the central axis of the fiber optic micro switch in the initial position, when the trigger irregular block rotates, it will drive its protruding position to trigger the left or right trigger fiber of the fiber optic micro switch, thereby causing deformation of the left or right trigger fiber and generating a signal. The fiber optic micro switch includes a base, the center of which is located on the axis of the connecting rod at its initial position; a left trigger fiber and a right trigger fiber are symmetrically arranged at both ends of the base.

2. The insulation tester for automatic switching devices according to claim 1, characterized in that, The triggering device includes a rotating rod disposed at the bottom of the triggering cavity and a triggering irregular block fixedly disposed on the rotating rod. A connecting rod is fixedly connected to the top of the rotating rod, and a rotating roller is connected to the end of the connecting rod. The rotating roller extends into the first or second screw hole close to the triggering cavity.

3. The insulation tester for automatic switching devices according to claim 2, characterized in that, The trigger cavity is also equipped with an optical fiber micro switch. When the rotating roller is tilted under force, it causes the trigger block to squeeze the optical fiber micro switch, causing the optical fiber micro switch to deform and generate a signal.

4. The insulation tester for automatic switching devices according to claim 2, characterized in that, The triggering irregular block is elliptical in shape and centrally symmetrical about its center.

5. The insulation tester for automatic switching devices according to claim 1, characterized in that, A drive cavity is provided inside the top wall of the cavity, and a motor is provided inside the drive cavity. The output shaft of the motor is connected to a lead screw, and a slider is slidably mounted on the lead screw. A clamping device is provided on the slider.

6. The insulation tester for automatic switching devices according to claim 5, characterized in that, The clamping device includes a square clamping device and an arc-shaped clamping device; the arc-shaped clamping device includes an upper clamping part and a lower clamping part, which cooperate with each other; the square clamping device includes a left clamping plate and a right clamping plate, and a cylinder is provided between the left clamping plate and the right clamping plate.

7. The insulation tester for automatic switching devices according to claim 6, characterized in that, The top of the left and right clamping plates is also provided with a cylinder fixing plate, and the cylinder is detachably connected to the cylinder fixing plate; the left clamping plate and the cylinder fixing plate, and the right clamping plate and the cylinder fixing plate are all connected by hinge.

8. The insulation tester for automatic switching devices according to claim 6, characterized in that, The upper clamping part and the lower clamping part are provided with a plurality of adjusting springs, which are arranged in a circumferential array along the inner concave surfaces of the upper clamping part and the lower clamping part.

9. The insulation tester for automatic switching devices according to claim 7, characterized in that, The number of cylinders is 2-4.

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