Fixing structure for circuit breaker, detection assembly and switch cabinet

Abstract

The utility model provides a fixing structure for a circuit breaker, a detection assembly and a switch cabinet, the circuit breaker comprises a static contact, a moving contact and an operating shaft, the operating shaft drives the moving contact and the static contact to contact or separate through rotation, the fixing structure is used for fixing a sensor and comprises a fixing part and a rotating part, the rotating part can rotate along with the operating shaft, and the rotating part can rotate along with the operating shaft. The fixing structure comprises a support member used for being fixed on the circuit breaker, the support member is provided with a sliding groove, and the side wall of the sliding groove is provided with a first concave part; the sliding piece can slide in the sliding groove, and the fixing part of the sensor can be fixed to the sliding piece; and at least part of the first elastic clamping part is fixed to the sliding piece, and the first elastic clamping part is used for being clamped in the first concave part so that the sliding piece can be fixed to the supporting piece. The fixing structure is small in overall occupied space, convenient to install and beneficial to fixing the sensor, and then intelligentization of the switch cabinet is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of switch cabinet, especially is used for the fixing structure, detection subassembly and switch cabinet of circuit breaker. BACKGROUND

[0002] With the development of switch cabinet intelligence, more and customer needs to install various sensors in switch cabinet, and requires being able to receive these data in real time to carry out subsequent analysis operation.

[0003] However, the switch cabinet has been provided with many components, and the space capable of installing sensor is very limited, especially the position of circuit breaker, its structure is complex, and there are many parts, but the circuit breaker is a key component and needs to be monitored, therefore, how to set a structure for installing sensor with small space occupation is an urgent problem to be solved. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a fixing structure for circuit breaker, the circuit breaker includes static contact, moving contact and operating shaft, the operating shaft drives the moving contact and static contact contact or separation through rotation, the fixing structure is used for fixing sensor, the sensor includes fixed part and rotating part, the rotating part can rotate with the operating shaft, and the fixing structure includes:

[0005] Supporting piece is used for fixing on the circuit breaker, and the supporting piece has a sliding groove, and the side wall of the sliding groove has a first recess;

[0006] Sliding part can slide in the sliding groove, and the fixed part of the sensor can be fixed to the sliding part;

[0007] First elastic clamping part is fixed at least partially on the sliding part, and the first elastic clamping part is used to be clamped in the first recess, so that the sliding part is fixed on the supporting piece.

[0008] The fixing structure for circuit breaker can realize the installation of sensor through supporting piece, sliding part and first elastic clamping part, and the fixing structure as a whole occupies small space, is convenient to install, is favorable to fixing sensor, and then realizes the intelligence of switch cabinet.

[0009] According to the fixing structure as described above, optionally, both side walls of the sliding groove have 1 first recess, and the first elastic clamping part has 2, which are distributed on both sides of the first elastic clamping part, and each first elastic clamping part can be clamped in one first recess. Two first elastic clamping parts can make the fixing between sliding part and supporting piece more reliable.

[0010] According to the fixing structure as described above, optionally, the first elastic clamping part protruding from the part of the first recess is in the shape of a spherical cap, and the first recess is a through hole. Such structure is simple to realize

[0011] According to the fixing structure as described above, optionally, further comprising: a housing assembly, the support is used to be fixed on the housing assembly, and the housing assembly is used to be fixed on the circuit breaker. The indirect fixing between the support and the circuit breaker is realized through the housing assembly, which is simple to realize and convenient to install.

[0012] According to the fixing structure as described above, optionally, the support comprises:

[0013] a ring body, an inner ring edge of the ring body has a ring-shaped convex edge, the housing assembly has a mounting hole, the ring body can be embedded in the mounting hole, and an outer diameter of the ring-shaped convex edge is greater than a diameter of the mounting hole;

[0014] a circular plate, which can be embedded and fixed in the ring body;

[0015] two protruding parts, the protruding parts are distributed side by side on the circular plate, a gap between the two protruding parts constitutes the sliding groove, and each protruding part has one first recess.

[0016] The support has a simple structure and is convenient to install.

[0017] According to the fixing structure as described above, optionally, the housing assembly comprises:

[0018] a body;

[0019] a track fixed on the body, a circuit board can slide on the track, and a fixing part of the sensor is fixed on the circuit board;

[0020] a fixing pin, the fixing pin is arranged through the body, and the fixing pin is used to fix the circuit board.

[0021] Such implementation is simple and has low cost.

[0022] According to the fixing structure as described above, optionally, the fixing pin comprises:

[0023] a pin body, which is arranged through the body;

[0024] a second elastic clamping part, which is arranged at least partially in the pin body, two sides of the circuit board are provided with second recesses, and the second elastic clamping part is used to be clamped in the second recesses.

[0025] In this way, the circuit board 3 can be prevented from sliding off the housing assembly 24 during the carrying process, and the reliability is ensured.

[0026] The utility model also provides a detection assembly for circuit breaker, including the fixing structure and sensor for circuit breaker as any above.

[0027] According to the detection assembly as described above, optionally, the sensor is an angle sensor.

[0028] The utility model also provides switchgear, including the fixing structure for circuit breaker as any above. BRIEF DESCRIPTION OF DRAWINGS

[0029] The preferred embodiments of the utility model will be described in detail below by referring to the drawings, so that the above and other features and advantages of the utility model are more apparent to those skilled in the art, and the drawings are as follows:

[0030] Figure 1 It is the structural schematic drawing of the fixing structure for circuit breaker according to an embodiment of the utility model.

[0031] Figure 2 It is the structural schematic drawing of the sensor fixed on the sliding piece and the sliding piece not fixed to the support piece.

[0032] Figure 3 It is the structural schematic drawing of another angle of the sensor fixed on the sliding piece and the sliding piece not fixed to the support piece. Figure 2

[0033] Figure 4 It is the structural schematic drawing of the sensor fixed on the sliding piece and the sliding piece fixed to the support piece.

[0034] Wherein, the reference signs are as follows:

[0035] 1-sensor

[0036] 11-fixing portion

[0037] 12-rotating portion

[0038] 21-support piece

[0039] 211-ring body

[0040] 212-circular plate

[0041] 213-protruding portion

[0042] 2131-slotted groove

[0043] 2132-first recessed portion

[0044] 22-sliding piece

[0045] 23-first elastic clamping portion

[0046] 24-housing assembly ​

[0047] 241-body

[0048] 242-rail

[0049] 243-fixing pin

[0050] 2431-pin body

[0051] 2432-second elastic clamping part

[0052] 3-circuit board DETAILED DESCRIPTION

[0053] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following examples further explain the utility model in detail. The nouns and pronouns about people in the patent application are not limited to specific gender.

[0054] The circuit breaker comprises an opening and closing assembly and an operating shaft. The opening and closing assembly comprises a static contact and a dynamic contact. The rotation of the operating shaft can drive the dynamic contact to contact the static contact, thereby realizing the closing of the circuit breaker. The rotation of the operating shaft can also drive the dynamic contact to separate from the static contact, thereby realizing the opening of the circuit breaker. Therefore, the rotation angle of the operating shaft can reflect whether the circuit breaker is closed in place or opened in place. In this way, a sensor 1 is installed on the operating shaft to monitor the relevant data in real time. The circuit breaker herein is, for example, a vacuum circuit breaker, and can also be a three-position circuit breaker, which is not limited herein.

[0055] The sensor 1 used in the utility model comprises a fixing part 11 and a rotating part 12. The fixing part 11 can be used to be fixed on other components, and the rotating part 12 can rotate with the rotation of the operating shaft. For example, the operating shaft can be arranged in the rotating part 12, so that the operating shaft can drive the rotating part 12 to rotate. The structure of the sensor 1 belongs to the prior art, Figure 1 which shows an implementation structure in which the rotating part is located in the middle of the fixing part 11.

[0056] As shown in Figure 1 and Figure 2 , it is a schematic view of a fixing structure for a circuit breaker according to the utility model. The fixing structure for the circuit breaker comprises a support 21, a sliding part 22 and a first elastic clamping part 23.

[0057] The support 21 is used to be fixed on the circuit breaker, and the support 21 has a sliding groove 2131. The side wall of the sliding groove 2131 has a first recess 2132. The support 21 can be directly fixed on the circuit breaker, or indirectly fixed on the circuit breaker, for example, Figs. Figure 2As shown in the middle, the support 21 is indirectly fixed on the circuit breaker through the shell. The support 21 can be made of hard plastic to reduce the overall weight. Optionally, each side wall of the sliding groove 2131 has one first recess 2132. There can be multiple, for example, two, three, etc., first recesses 2132 on each side wall.

[0058] The sliding member 22 can slide in the sliding groove 2131, and the fixed part 11 of the sensor 1 can be fixed to the sliding member 22. In this way, the sensor 1 can be fixed to the fixing structure. As shown in the left and right of the figure, Figure 1 and Figure 2 The sliding member 22 can be inserted into the fixed part 11.

[0059] At least a part of the first elastic clamping part 23 is fixed to the sliding member 22, and the first elastic clamping part 23 is used to be clamped in the first recess 2132 to fix the sliding member 22 in the support 21. The first elastic clamping part 23 is in the shape of a spherical cap, facilitating the sliding of the sliding member 22. When the sliding member 22 slides to the corresponding position, the first elastic clamping part 23 enters the first recess 2132, so that the sliding member 22 can be fixed to the support 21, and the fixation of the sensor 1 is realized.

[0060] The fixing structure for the circuit breaker can realize the installation of the sensor 1 through the support 21, the sliding member 22 and the first elastic clamping part 23. The fixing structure occupies a small overall space, is convenient to install, is conducive to the fixation of the sensor 1, and realizes the intelligentization of the switch cabinet.

[0061] Optionally, the first elastic clamping part 23 also has two, which are distributed on both sides of the first elastic clamping part 23, and each first elastic clamping part 23 can be clamped in one first recess 2132. The use of two first elastic clamping parts 23 can make the fixation between the sliding member 22 and the support 21 more secure.

[0062] Optionally, the part of the first elastic clamping part 23 that protrudes from the first recess 2132 is in the shape of a spherical cap, and the first recess 2132 is a through hole. Such a structure is relatively simple to implement. More specifically, the first elastic clamping part 23 includes a first spring and a first spherical cap body connected to the spring, and the first spring is arranged in the sliding member 22 and has a certain elastic force. When the sliding member 22 slides in the sliding groove 2131, the side wall of the sliding groove 2131 will apply pressure to the first elastic clamping part 23, and under the condition that the first spring is extruded, a pushing force can be applied to the first spherical cap body. In this way, the first elastic clamping part 23 slides to the corresponding position of the first recess 2132 along with the sliding member 22, and under the action of the first spring, the first spherical cap body enters the first recess 2132, so that the sliding member 22 is clamped in the support 21.

[0063] Optionally, the fixing structure further comprises a housing assembly 24, the support 21 is used to be fixed on the housing assembly 24, and the housing assembly 24 is used to be fixed on the circuit breaker. The indirect fixing between the support 21 and the circuit breaker is realized through the housing assembly 24, which is simple to realize and convenient to install. The housing assembly 24 can be installed on the circuit breaker by the staff through the fixing parts such as bolts or screws. It should be noted that the fixing between the housing assembly 24 and the circuit breaker can also be indirect fixing, for example, the relative positions between the housing assembly 24 and the circuit breaker are fixed through other structures of the switch cabinet.

[0064] Optionally, the support 21 comprises a ring body 211, a circular plate 212 and two protruding parts 213, wherein the inner ring edge of the ring body 211 has a ring-shaped convex edge, the housing assembly 24 has a mounting hole, the ring body 211 can be embedded in the mounting hole, and the outer diameter of the ring-shaped convex edge is greater than the diameter of the mounting hole. The circular plate 212 can be embedded in the ring body 211. The two protruding parts 213 are distributed side by side on the circular plate 212, and the gap between the two protruding parts 213 constitutes a sliding groove 2131, and each protruding part 213 has a first recessed part 2132. When installing the support 21, the support 21 is inserted into the mounting hole as a whole, and the ring body 211 is fixed on the housing assembly 24. In this way, the support 21 can be fixed on the housing assembly 24. The support 21 has a simple structure and is convenient to install. The support 21 can be made of plastic, which is light in weight and low in cost.

[0065] Optionally, the housing assembly 24 comprises a body 241, a track 242 and a fixing pin 243. The track 242 is fixed on the body 241. As an example, the track 242 is a U-shaped track 242, and the number of the tracks 242 is two, which are respectively fixed on the two sides of the body 241. The circuit board 3 can slide on the track 242. This implementation is simple and low in cost.

[0066] The fixing part 11 of the sensor 1 is fixed on the circuit board 3. In this way, the information collected by the sensor 1 can be sent to the corresponding receiving device through the circuit board 3 for analysis by the staff. The fixing pin 243 is arranged in the body 241 and is used to fix the circuit board 3. Although the sliding part 22 can be fixed on the support 21 through the first elastic clamping part 23, and the sensor 1 is indirectly fixed on the support 21, the overall structure not only has the first clamping part to realize the fixing between the circuit board 3 and the housing assembly 24, but also has the fixing pin 243 to realize the fixing between the circuit board 3 and the housing assembly 24, which can avoid the circuit board 3 from sliding off the housing assembly 24 during transportation and ensure the reliability.

[0067] Optionally, the fixing pin 243 comprises a pin body 2431 and a second elastic clamping portion 2432, at least part of the second elastic clamping portion 2432 is arranged in the pin body 2431. Two sides of the circuit board 3 are provided with second recesses (not shown in the figure), and the second elastic clamping portion 2432 is arranged in the second recess. The pin body 2431 is arranged in the body 241. The structure of the second elastic clamping portion 2432 can be similar to the first elastic clamping portion 23, comprising a second spring and a second spherical cap body connected with the spring, the second spring is arranged in the sliding piece 22, and the second spring has a certain elastic force. The position of the pin shaft has a larger space, so that the second spring can provide relatively large force, so as to better fix the circuit board 3.

[0068] The utility model further provides a detection assembly for circuit breaker, it includes any preceding embodiment's fixing structure and sensor 1 for circuit breaker. More specifically, the sensor 1 is angle sensor 1. The staff can obtain rotation angle and / or angular acceleration information etc. through the angle sensor 1, to be used for analyzing the specific situation of closing in place or opening in place, the working state of circuit breaker can be better monitored.

[0069] The utility model further includes switch cabinet, it includes any preceding embodiment's fixing structure for circuit breaker.

[0070] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fixing structure for a circuit breaker, the circuit breaker comprising a stationary contact, a movable contact, and an operating shaft, the operating shaft bringing the movable contact into contact with or separating from the stationary contact by rotation, the fixing structure being used to fix a sensor (1), the sensor (1) comprising a fixing portion (11) and a rotating portion (12), the rotating portion (12) being able to rotate with the operating shaft, characterized in that, The fixing structure comprises: a support (21) for fixing to the circuit breaker, the support (21) having a sliding groove (2131) with a first recess (2132) on the side wall of the sliding groove (2131); a sliding piece (22) capable of sliding in the sliding groove (2131), the fixing part (11) of the sensor (1) being capable of being fixed to the sliding piece (22); a first elastic clamping part (23) at least partially fixed to the sliding piece (22), the first elastic clamping part (23) being used for clamping in the first recess (2132) to fix the sliding piece (22) on the support (21).

2. The fixing structure according to claim 1, characterized in that, Both side walls of the sliding groove (2131) have one first recess (2132), and the first elastic clamping part (23) has two first elastic clamping parts (23) distributed on both sides of the first elastic clamping part (23), and each first elastic clamping part (23) is capable of clamping in one first recess (2132).

3. The fixture of claim 1, wherein The part of the first elastic clamping part (23) protruding from the first recess (2132) is in the shape of a spherical cap, and the first recess (2132) is a through hole.

4. The fixture of claim 1, wherein Further comprising: a shell assembly (24), the support (21) is used for fixing to the shell assembly (24), and the shell assembly (24) is used for fixing on the circuit breaker.

5. The fixture of claim 4, wherein The support (21) comprises: a ring body (211) with a ring-shaped convex edge on the inner ring edge, the shell assembly (24) has a mounting hole, the ring body (211) can be embedded in the mounting hole, and the outer diameter of the ring-shaped convex edge is greater than the diameter of the mounting hole; a circular plate (212) capable of being embedded and fixed in the ring body (211); two protruding parts (213) distributed side by side on the circular plate (212), the gap between the two protruding parts (213) constitutes the sliding groove (2131), and each protruding part (213) has one first recess (2132).

6. The fixture of claim 4, wherein The shell assembly (24) comprises: a body (241); a track (242) fixed to the body (241), a circuit board (3) capable of sliding on the track (242), and a fixing part (11) of the sensor (1) fixed to the circuit board (3); a fixing pin (243) penetrating the body (241), and the fixing pin (243) is used for fixing the circuit board (3).

7. The fixture of claim 6, wherein The fixing pin (243) comprises: a pin body (2431) penetrating the body (241); a second elastic clamping part (2432) at least partially arranged in the pin body (2431), and the two sides of the circuit board (3) are provided with a second recess, and the second elastic clamping part (2432) is used for clamping in the second recess.

8. A detection assembly for a circuit breaker, characterized by The fixing structure for the circuit breaker and the sensor (1) according to any one of claims 1-7 are included.

9. The detection assembly of claim 8, wherein, The sensor (1) is an angle sensor (1).

10. Switchgear cabinet, characterized in that The fixing structure for the circuit breaker according to any one of claims 1-9 is included.

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