CN218036935U

CN218036935U - Fixing clamp and detection system for relay protection device

Info

Publication number: CN218036935U
Application number: CN202221575789.XU
Authority: CN
Inventors: 曹祯; 李娟�; 孙宇; 吴世杰; 丁睿
Original assignee: Siemens Power Automation Ltd
Current assignee: Siemens Power Automation Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-13
Anticipated expiration: 2032-06-22

Abstract

The utility model provides a mounting fixture and detecting system for relay protection device, wherein mounting fixture includes: a frame (11); a support platform (12), wherein the support platform (12) is used for carrying a circuit board of a relay protection device; a lifting assembly (13), said lifting assembly (13) being secured to said frame (11); the fixing component (14) is connected with the lifting component (13), the lifting component (13) can drive the fixing component (14) to move towards the direction far away from or close to the supporting platform (12), one side, facing the supporting platform (12), of the fixing component (14) is provided with a plurality of pressing parts (141), and the pressing parts (141) are used for pressing the circuit board.

Description

Fixing clamp and detection system for relay protection device

Technical Field

The utility model relates to a relay protection device's production field, especially a mounting fixture and detecting system for relay protection device.

Background

When a power element (such as a generator, a line and the like) in a power system or the power system itself has a fault, which endangers the safe operation of the power system, the relay protection device can send out a warning signal to workers in time or directly send out a tripping command to a controlled breaker to terminate the automatic measures and equipment of the event development.

The relay protection device is provided with a plurality of circuit boards. Before the relay protection device leaves the factory, the circuit board needs to be detected, for example, whether a circuit on the circuit board can work normally is detected. In the prior art, when the circuit board is detected, a worker is required to manually fix the circuit board, but the labor is wasted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a mounting fixture for overload protection device, include:

a frame;

the supporting platform is used for bearing a circuit board of a relay protection device;

a lifting assembly secured to the frame;

the fixing component is connected with the lifting component, the lifting component can drive the fixing component to move towards the direction far away from or close to the supporting platform, one side of the fixing component, facing the supporting platform, is provided with a plurality of pressing parts, and the pressing parts are used for pressing against the circuit board.

Through the utility model discloses a mounting fixture can make the rigidity of circuit board motionless, need not like this that the staff is manual fixed, has saved manpower, convenient and fast.

The fixing clip according to the above, optionally, further comprising:

the box body is positioned below the supporting platform, a plurality of probes penetrate through the box body, the supporting platform is provided with at least one hollow-out part, and the probes are used for penetrating through the hollow-out part to contact with the measuring points of the circuit board;

and one end of the signal transmitter is electrically connected with each probe, the other end of the signal transmitter is connected with an external detection platform, and the signal transmitter is used for transmitting information obtained by the probes to the detection platform.

Through the structure, the detection data of the circuit board can be automatically transmitted and analyzed by an external detection platform, and the efficiency is high.

The fixing clip according to the above, optionally, further comprising: at least one elastic part, the elastic part is located between the box body and the supporting platform. At the in-process that fixed subassembly pressed the circuit board, this elasticity portion can play certain cushion effect, and then avoids destroying the circuit board, but also can make circuit board and probe carry out abundant contact, and then guarantee the accuracy that detects.

According to the fixing clip as described above, optionally, the lifting assembly comprises:

a handle hingedly connected at one end to said frame, said handle being capable of rotation about a first axis, said first axis being parallel to said support platform;

one end of the transition piece is connected with the handle, and the other end of the transition piece is connected with a pull rod;

one end of the pull rod is connected to the transition piece, and the other end of the pull rod is fixedly connected to the fixing component.

With the structure, the fixing component can be driven to move by less force.

According to the fixing clip as described above, optionally, the frame further comprises:

a sleeve, a second axis of the sleeve being perpendicular to the support platform, at least a portion of the drawbar being located in the sleeve. In this way, the pull rod can only move in the direction of the sleeve to ensure that the fixing component moves up and down when pressing against the circuit board, so that the fixing component does not displace and press against other positions on the circuit board when pressing against the circuit board.

According to the fixing clamp, optionally, the fixing assembly further includes a plate body, the other end of the pull rod is fixed to a side of the plate body away from the supporting platform, the pressing portion is fixed to a side of the plate body facing the supporting platform, and the plate body is a transparent plate. This facilitates the staff to observe the circuit board pressed.

According to the fixing clamp, optionally, the pressing part is a cylinder, and the pressing part corresponds to a blank of the circuit board. This can avoid damage to the circuitry on the circuit board.

According to the fixing clamp, optionally, the frame has a sliding rail perpendicular to the supporting platform, and the lifting assembly can slide along the sliding rail and can be fixed on the sliding rail. Therefore, before the fixing clamp is used, the position of the lifting component can be finely adjusted, so that the circuit board can be reliably fixed and is adaptive to the circuit boards with different thicknesses.

According to the fixing clamp, optionally, the material of the fixing clamp is an antistatic material. Therefore, the influence of static electricity on the performance of the circuit board can be avoided, and the detection result is more accurate.

The utility model also provides a detecting system, include as above arbitrary the mounting fixture and testing platform for relay protection device.

Drawings

The above and other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings in which:

fig. 1 is a schematic position structure diagram of a fixing clamp for a relay protection device according to an embodiment of the present invention.

Fig. 2 is another schematic position diagram of a fixing clamp for a relay protection device according to an embodiment of the present invention.

Fig. 3 is an explosion structure diagram of a fixing clamp for a relay protection device according to an embodiment of the present invention.

Fig. 4 is an exploded view of a fixing clamp for a relay protection device according to another embodiment of the present invention.

Wherein the reference numbers are as follows:

11-frame

111-barrel sleeve

112-sliding rail

12-support platform

121-hollowed-out part

13-lifting assembly

131-handle

132-transition piece

133-Pull rod

14-fixing assembly

141-compression part

142-plate body

15-Box body

151-Probe

152-grip part

17-elastic part

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail by referring to the following embodiments.

The utility model provides a mounting fixture for relay protection device, this mounting fixture are used for fixed circuit board for the circuit board can not take place the displacement when detecting.

As shown in fig. 1 and fig. 2, the present invention is a schematic structural diagram of a fixing clamp for a relay protection device according to an embodiment of the present invention. Fig. 3 is an exploded schematic view of a fixing clamp for a relay protection device according to an embodiment of the present invention. Fig. 4 is an exploded schematic view of a fixing clamp for a relay protection device according to another embodiment of the present invention.

The utility model discloses in, a fixed clamp for relay protection device includes a frame 11, a supporting platform 12, a lifting unit 13 and a fixed subassembly 14.

The supporting platform 12 is used for carrying a circuit board (not shown in the figure) of the relay protection device. It is envisioned that the upper surface of the support platform 12 is planar to facilitate placement of a circuit board.

The lifting assembly 13 is fixed on the frame 11, and the lifting assembly 13 can drive the fixing assembly 14 to move up and down, i.e. to move towards the supporting platform 12 or to move away from the supporting platform 12.

The fixing component 14 is connected with the lifting component 13, and the lifting component 13 can drive the fixing component 14 to move towards the direction far away from or close to the supporting platform 12. As shown in fig. 1, the securing assembly 14 is shown adjacent to the support platform 12. As shown in fig. 2, the securing assembly 14 is shown spaced apart from the support platform 12. The side of the fixing component 14 facing the supporting platform 12 has a plurality of pressing portions 141, and the pressing portions 141 are used for pressing against the circuit board. The distribution of the positions of the pressing portions 141 may be at positions corresponding to circuit board blank positions. The blank may be a portion of the circuit board where no electronic component is disposed, or a portion of the circuit board where no circuit is disposed, so as to prevent the compressing portion 141 from damaging components on the circuit board. As an exemplary illustration, the compressing portion 141 may be a cylinder, and a specific material may be an antistatic material or an insulating material, so that the compressing portion 141 can be prevented from affecting the circuit, and the measurement result is more accurate. In addition, the securing assembly 14 may be made of a transparent material so that the circuit board can be better viewed through the transparent material. Accordingly, several pressing portions 141 are employed to press the circuit board to fix it, so that there is enough space to observe the circuit board and even to operate the circuit board thereof.

When the fixing device is used, as shown in fig. 1, the fixing component 14 is firstly brought to a position far away from the supporting platform 12 by the lifting component 13, then a circuit board is placed on the supporting platform 12, then the fixing component 14 is moved to a position close to the circuit board by the lifting component 13, and the pressing part 141 is gradually pressed onto the circuit board, so that the position of the circuit board is fixed, as shown in fig. 2. The support platform 12 may be sized and shaped as desired, for example, to match the circuit board to be carried. Correspondingly, the distribution position of the pressing part 141 can be adjusted according to the circuit board to be detected, so as to avoid damage to the circuit board in the detection process.

Through the utility model discloses a mounting fixture can make the rigidity of circuit board motionless, need not like this that the staff is manual fixed, has saved the manpower, convenient and fast.

Optionally, as shown in fig. 1 and 2, the fixing clip of the present invention further includes a box body 15 and a signal transmitter (not shown in the figure). The box body 15 is located below the supporting platform 12, and the plurality of probes 151 are disposed through the box body 15, more specifically, the supporting platform 12 has at least one hollow portion 121, and the probes 151 are used to penetrate through the hollow portion 121 and contact a measurement point of the circuit board. As shown in fig. 2 to fig. 3, the number of the hollow portions 121 is 4, and as shown in fig. 4, the number of the hollow portions 121 is 1, and the shape of the hollow portions 121 may be set according to actual needs, which is not described herein again. As can be seen from fig. 2, the plurality of probes 151 are disposed through and fixed on the top cover of the box body 15, that is, one end of each probe 151 is located outside the box body 15, the other end is located inside the box body 15, and the other end is connected to the signal transmitter through a wire. One end of the signal transmitter is electrically connected to each probe 151, and the other end is electrically connected to an external testing platform, and the signal transmitter is used for transmitting information obtained through the probes 151 to the testing platform. The specific implementation manner of the signal transmitter may adopt any one of the prior art, such as a combination of a terminal and a line, and is not described herein again. The signal transmitter may be located inside the box body 15, and the wires may extend to the outside of the box body 15 through an interface on the box body 15 and connect to the detection platform. The detection platform can be a software platform for analyzing the data of the circuit board. Through the structure, the detection data of the circuit board can be automatically transmitted and analyzed by an external detection platform, and the efficiency is high. Optionally, the frame 11 may be fixed on the box body 15, two sides of the box body 15 further have two holding portions 152, the holding portions 152 may be hollow as shown in fig. 1 and fig. 2, and may also be handles, and specifically, the holding portions 152 may be set according to actual needs, so that the whole fixing clamp is convenient to carry.

Optionally, the fixing clamp of the present invention further comprises at least one elastic portion 17, wherein the elastic portion 17 is located between the box body 15 and the supporting platform 12. In the process that the fixing component 14 presses against the circuit board, the elastic part 17 can play a certain buffering force, so as to avoid damaging the circuit board, and can also make the circuit board fully contact with the probe 151, so as to ensure the accuracy of detection. As an exemplary illustration, the resilient portions 17 may be springs, and one resilient portion 17 may be provided near each corner of the support platform 12 to ensure balance.

Optionally, as shown in fig. 1 and 2, the lift assembly 13 includes a handle 131, a transition piece 132, and a pull rod 133. Wherein one end of the handle 131 is hinged to the frame 11, and the handle 131 can rotate around a first axis, which is parallel to the support platform 12; one end of the transition piece 132 is connected to the handle 131, and the other end is connected to a pull rod 133; the tie rod 133 is connected at one end to the transition piece 132 and at the other end fixedly connected to the stationary assembly 14. The transition piece 132 may be an annular body, such as an oval annular body, one end of which is connected to the handle 132 and the other end of which is connected to the handle 132. The transition piece 132 may be made of multiple pieces, as shown in fig. 1-4, to facilitate installation. With the handle 131 rotating about the first axis, the pull rod 133 can be moved up and down via the transition piece 132, and thus the fixing assembly 14, to move up and down to move away from or close to the support platform 12. With this configuration, the movement of the fixing member 14 can be carried out with a small force.

Optionally, the frame 11 further comprises a sleeve 111, the second axis of the sleeve 111 being perpendicular to the support platform 12, at least a portion of the tie rod 133 being located in the sleeve 111. As shown in fig. 1 and 2, the pull rod 133 is inserted into the sleeve 111. Thus, the pull rod 133 can only move in the direction of the sleeve 111 to ensure that the fixing assembly 14 moves in the up-down direction when pressed against the circuit board so that the fixing assembly 14 does not displace to press against other locations on the circuit board.

Optionally, the fixing assembly 14 further includes a plate 142, the other end of the pull rod 133 is fixed to a side of the plate 142 away from the supporting platform 12, the pressing portion 141 is fixed to a side of the plate 142 facing the supporting platform 12, and the plate 142 is made of a transparent material so that a worker can observe the pressed circuit board.

Optionally, the frame 11 has a slide rail 112, the slide rail 112 is perpendicular to the supporting platform 12, and the lifting assembly 13 can slide along the slide rail 112 and can be fixed on the slide rail 112. The fixing can be realized by a bolt fixing or clamping mode, and details are not repeated herein. Thus, before the fixing clamp is used, the position of the lifting component 13 can be finely adjusted to ensure that the circuit board can be reliably fixed and is adaptive to circuit boards with different thicknesses. In addition, the elastic member between the box body 15 and the supporting platform 12 allows the lifting assembly 13 to have a sufficient adjustment space. The sliding rail 112 can be implemented in various manners, for example, in the form of a rail, a stopping portion can be used to fix the position of the lifting assembly 13, and a long bar-shaped hole as shown in fig. 1 to 3 can also be used, and the lifting assembly 13 can be matched with the sliding rail 112 through a back plate and fixed through a bolt.

Optionally, the fixing clamp for the relay protection device of this embodiment may be made of an antistatic material, such as antistatic bakelite, so that the performance of the circuit board is prevented from being affected by static electricity, and the detection result is more accurate. The antistatic bakelite is a filler compound taking phenolic resin as a base material, and shows higher performance in the field of application of antistatic materials. Specifically, a portion close to or in close contact with the circuit board may be provided as an antistatic material, for example, the frame 11 and the support platform 12 may be provided as an antistatic material, and the case 15 may also be provided as an antistatic material. Of course, the plate 142 of the fixing member 14 may still be made of a transparent material, such as a transparent resin plate, for convenience of viewing, and since the plate 142 is spaced from the circuit board, even if the plate 142 is made of an antistatic material, the circuit board is not affected.

The utility model also provides a detecting system, this detecting system include aforementioned arbitrary mounting fixture and the testing platform who is used for relay protection device. The detection platform can comprise a data acquisition analyzer for collecting and analyzing data transmitted by the signal transmitter, and can also comprise a power supply, an oscilloscope, a relay board and other hardware equipment, wherein the hardware equipment can be connected with the data acquisition analyzer, for example, the power supply provides electric energy for the data acquisition analyzer or other hardware equipment, the oscilloscope can display related information for workers to check, the relay board is used for switching signals, and a channel to be measured can be selected by specifically switching on and off different relays on the relay board. The detection platform can be connected with a computer and sends the related data to the computer for storage, processing or analysis.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mounting fixture for relay protection device, its characterized in that includes:

a frame (11);

a support platform (12), wherein the support platform (12) is used for carrying a circuit board of a relay protection device;

a lifting assembly (13), said lifting assembly (13) being secured to said frame (11);

the fixing component (14) is connected with the lifting component (13), the lifting component (13) can drive the fixing component (14) to move towards the direction far away from or close to the supporting platform (12), one side, facing the supporting platform (12), of the fixing component (14) is provided with a plurality of pressing parts (141), and the pressing parts (141) are used for pressing the circuit board.

2. The tie down cleat of claim 1, further comprising:

a box body (15), wherein the box body (15) is positioned below the supporting platform (12), a plurality of probes (151) are arranged in the box body (15) in a penetrating manner, the supporting platform (12) is provided with at least one hollow-out part (121), and the probes (151) are used for contacting the measuring points of the circuit board through the hollow-out part (121);

a signal transmitter, one end of which is electrically connected to each of the probes (151) and the other end of which is connected to an external test platform, for transmitting information obtained by the probes (151) to the test platform.

3. The tie down cleat of claim 2, further comprising:

at least one elastic portion (17), said elastic portion (17) being located between said box (15) and said support platform (12).

4. A fixation clamp as claimed in claim 1, characterized in that said lifting assembly (13) comprises:

a handle (131) hinged at one end to said frame (11), said handle (131) being able to rotate about a first axis parallel to said support platform (12);

a transition piece (132), one end of the transition piece (132) is connected with the handle (131), and the other end is connected with a pull rod (133);

the pull rod (133) is connected to the transition piece (132) at one end and fixedly connected to the fixed component (14) at the other end.

5. A fixation clamp as claimed in claim 4, characterized in that the frame (11) further comprises:

a sleeve (111), a second axis of the sleeve (111) being perpendicular to the support platform (12), at least a portion of the pull rod (133) being located in the sleeve (111).

6. The holding jig of claim 4, characterized in that the holding assembly (14) further comprises a plate body (142), the other end of the tie rod (133) is fixed to the side of the plate body (142) away from the support platform (12), the pressing portion (141) is fixed to the side of the plate body (142) facing the support platform (12), and the plate body (142) is a transparent plate.

7. A fixing jig according to claim 1, wherein the pressing portion (141) is a cylindrical body, and the pressing portion (141) corresponds to a margin of the circuit board.

8. A fixation clamp as claimed in any one of claims 1 to 7, characterized in that the frame (11) has a slide rail (112), the slide rail (112) being perpendicular to the support platform (12), the lifting assembly (13) being slidable along the slide rail (112) and fixable on the slide rail (112).

9. A fixation clamp as claimed in any one of claims 1 to 7, characterized in that the material of the frame (11) and the support platform (12) is an antistatic material.

10. The detection system is characterized by comprising the fixing clamp for the relay protection device and the detection platform, wherein the fixing clamp is as claimed in any one of claims 1 to 9.