CN218035597U - Vibration simulator - Google Patents

Abstract

The utility model discloses a vibration simulation device, vibration simulation device includes: a supporting base; the vibration simulation mechanism is arranged on the surface of the supporting seat; the fixing seat is suitable for fixing the equipment to be tested and movably mounted on the vibration simulation mechanism so that the fixing seat can move relative to the supporting seat along a first direction and a second direction of the vibration simulation device, wherein the first direction is vertical to the second direction. From this, through set up vibration simulation mechanism so that the fixing base is portable along vibration simulation device's first direction, the relative supporting seat of second direction between fixing base and supporting seat, compare with prior art, be difficult to the jamming when fixing base relative supporting seat removes to can improve vibration simulation device's vibration simulation effect.

Description

Vibration simulator

Technical Field

The invention relates to the field of test devices, in particular to a vibration simulation device.

Background

In the related art, in the existing vibration simulation device, the supporting seat is configured as a plurality of supporting frames, the fixing seat is installed in one of the supporting frames, and the plurality of supporting frames are sequentially sleeved and matched with each other, the fixing seat is movable relative to the supporting frames, and any two supporting frames are movable.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a vibration simulator, in which the fixing base of the vibration simulator is not easily jammed when moving relative to the supporting base, thereby improving the vibration simulation effect of the vibration simulator.

According to the utility model discloses a vibration simulation device includes: a supporting seat; the vibration simulation mechanism is arranged on the surface of the supporting seat; the fixed seat is suitable for fixing equipment to be tested and movably mounted on the vibration simulation mechanism so that the fixed seat can move relative to the supporting seat along a first direction and a second direction of the vibration simulation device, wherein the first direction is vertical to the second direction.

In some examples of the invention, the vibration simulation mechanism is adapted to generate a driving force to drive the fixing base to move relative to the support base when the fixing base moves in the first direction and/or when the fixing base moves in the second direction.

In some examples of the present invention, the vibration simulation mechanism includes a first guide member, a second guide member, and a first elastic member, the first guide member is provided with a first guide shaft, the first guide shaft extends along the first direction, the second guide member is connected to the fixing base, and the second guide member is in guiding fit with both the first guide member and the first guide shaft; the first elastic piece is sleeved outside the first guide shaft, the first elastic piece is arranged between the first guide piece and the second guide piece, and the first elastic piece is suitable for generating reverse driving force when the fixed seat moves relative to the supporting seat along the first direction.

In some examples of the present invention, the vibration simulation apparatus further comprises: the first driving assembly is suitable for driving the fixed seat to move along the first direction relative to the supporting seat.

In some examples of the present invention, the first driving assembly includes a first driving member, a first driving cam and a first roller, one of the first driving member and the first roller is disposed on the supporting seat, the other of the first driving member and the first roller is disposed on the fixing seat, the first driving member is connected to the first driving cam and adapted to drive the first driving cam to rotate, the first driving cam is adapted to stop against the first roller to drive the fixing seat to move along the first direction.

In some examples of the present invention, the vibration simulation mechanism further includes a third guide member and a second elastic member, the second guide member is provided with a second guide shaft, the second guide shaft extends along the second direction, the third guide member is connected to the fixing base, and the third guide member is in guiding fit with the second guide shaft; the second elastic piece is sleeved on the outer side of the second guide shaft, the second elastic piece is arranged between the second guide piece and the third guide piece, and the second elastic piece is suitable for generating reverse driving force when the fixed seat moves relative to the supporting seat along the second direction.

In some examples of the present invention, the vibration simulation apparatus further comprises: the second driving assembly is suitable for driving the fixed seat to move along the second direction relative to the supporting seat.

In some examples of the present invention, the second driving assembly includes a second driving member, a second driving cam and a second roller, the second driving member and one of the second roller are disposed on the supporting seat, the second driving member and the other of the second roller are disposed on the fixing seat, the second driving member is connected to the second driving cam and adapted to drive the second driving cam to rotate, the second driving cam is adapted to stop against the second roller to drive the fixing seat to move along the second direction.

In some examples of the present invention, the vibration simulation apparatus further comprises: the first driving assembly is suitable for driving the fixing seat to move relative to the supporting seat along the first direction, the second driving assembly is suitable for driving the fixing seat to move relative to the supporting seat along the second direction, and the controller is in communication connection with the first driving assembly and the second driving assembly to control the first driving assembly and the second driving assembly to work.

In some examples of the present invention, the controller includes a first relay, a first control circuit, a second relay, and a second control circuit, the first relay is connected to both the first driving member of the first driving assembly and the first control circuit, and when the first control circuit is triggered, the first relay is closed to allow the controller to supply power to the first driving member; the second relay is connected with a second driving piece of the second driving assembly and the second control circuit, and when the second control circuit is triggered, the second relay is closed so that the controller supplies power to the second driving piece.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a vibration simulation apparatus according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partial structure of a vibration simulation apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of another angle of the partial structure of the vibration simulation apparatus according to the embodiment of the present invention;

fig. 4 is a schematic view illustrating the driving engagement between the first driving assembly and the fixing base according to the embodiment of the present invention;

fig. 5 is a schematic view of a vibration simulation mechanism according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an internal circuit of a controller according to an embodiment of the present invention.

Reference numerals:

a vibration simulation device 100;

a support base 10; a traveling wheel 101; a relief hole 102;

a vibration simulation mechanism 20; a first guide 201; a second guide 202; a first elastic member 203; a first guide shaft 204; a third guide 205; a second elastic member 206; a first guide groove 207; a second guide groove 208; a second guide shaft 209;

a fixed seat 30; a connecting plate 301;

a first drive assembly 40; a first driving member 401; a first drive cam 402; a first roller 403;

a second drive assembly 50; a second driving member 501; a second drive cam 502; a second roller 503;

a controller 60; a first relay 601; a first control circuit 602; a second relay 603; a second control circuit 604; a first switch 605; a first relay coil 606; a first auxiliary normally open contact 607; a second switch 608; a second relay coil 609; and a second auxiliary normally open contact 610.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The vibration simulation device 100 according to the embodiment of the invention is described below with reference to fig. 1 to 6, and the vibration simulation device 100 can be used for providing a vibration environment for the performance test of the power battery, so that the performance test result of the power battery can be more accurate.

As shown in fig. 1 to 6, a vibration simulation apparatus 100 according to an embodiment of the present invention includes: a support base 10, a vibration simulation mechanism 20 and a fixing base 30, wherein the support base 10 can be placed on a ground plane, the support base 10 is used for supporting various components of the vibration simulation device 100, the vibration simulation mechanism 20 is disposed on the surface of the support base 10, preferably, as shown in fig. 2, the vibration simulation mechanism 20 can be disposed on the upper surface of the support base 10, and the surface of the support base 10 away from the vibration simulation mechanism 20 (i.e., the lower surface of the support base 10 in fig. 2) can be in contact with the ground. Further, the surface of the supporting seat 10 far away from the vibration simulation mechanism 20 can also be provided with a plurality of walking wheels 101, and the plurality of walking wheels 101 can make the supporting seat 10 move conveniently, so that the vibration simulation device 100 can provide a vibration environment for the equipment to be tested in different places. And, a plurality of walking wheels 101 all can be at supporting seat 10 and remove the locking behind the suitable position to can avoid vibration simulation device 100 to produce in the equipment under test and rock.

And, the fixing seat 30 is adapted to fix a device under test, the fixing seat 30 is movably mounted to the vibration simulation mechanism 20 so that the fixing seat 30 moves relative to the supporting seat 10 along the first direction and the second direction of the vibration simulation apparatus 100, that is, the vibration simulation mechanism 20 may be connected between the supporting seat 10 and the fixing seat 30, and the supporting seat 10 and the fixing seat 30 may be spaced apart from each other, that is, the supporting seat 10 and the fixing seat 30 do not directly contact each other. Wherein the first direction and the second direction are perpendicular. As shown in fig. 2, the first direction of the vibration simulation apparatus 100 may refer to an up-down direction in fig. 2, and the second direction of the vibration simulation apparatus 100 may refer to a front-back direction in fig. 2, so that the vibration simulation mechanism 20 may cyclically reciprocate the fixing base 30 in the up-down direction and the left-right direction in fig. 2 to simulate a vibration environment, and the device under test fixed on the fixing base 30 may perform a performance test in the vibration environment.

From this, through set up vibration simulation mechanism 20 between fixing base 30 and supporting seat 10 so that fixing base 30 is portable along the relative supporting seat 10 of first direction, the second direction of vibration simulation device 100, compare with prior art, be difficult to the jamming when fixing base 30 moves relative supporting seat 10 to can improve the vibration simulation effect of vibration simulation device 100.

In some embodiments of the present invention, as shown in fig. 2-5, the vibration simulation mechanism 20 is adapted to generate a driving force to drive the fixing base 30 to move relative to the supporting base 10 when the fixing base 30 moves in the first direction and/or when the fixing base 30 moves in the second direction. It should be noted that the vibration simulation mechanism 20 is suitable for generating a driving force opposite to the moving direction of the fixing base 30, under the driving force of the vibration simulation mechanism 20, the fixing base 30 can move in the opposite direction, the driving force direction of the vibration simulation mechanism 20 changes constantly, the moving direction of the fixing base 30 changes constantly, and the fixing base 30 can reciprocate to simulate a vibration environment, so that the device to be tested on the fixing base 30 can complete a performance test in the vibration environment.

Further, as shown in fig. 5, the vibration simulation mechanism 20 includes a first guide 201, a second guide 202, and a first elastic member 203, the first guide 201 may be fixedly connected to the support base 10, the first guide 201 may be extended in an up-down direction in fig. 2, the first guide 201 has a first guide groove 207, and the first guide groove 207 coincides with an extending direction of the first guide 201. The first guide member 201 may be provided with a first guide shaft 204, and preferably, the first guide shaft 204 may be provided in the first guide groove 207, the first guide shaft 204 extends along the first direction of the vibration simulation apparatus 100, the second guide member 202 is connected to the fixing base 30, and the second guide member 202 is in guiding engagement with both the first guide member 201 and the first guide shaft 204. Specifically, the second guide 202 may pass through the first guide 201 from the first guide groove 207, the second guide 202 may be provided with a second guide groove 208, a side wall of the first guide 201 may extend into the second guide groove 208, and the second guide 202 may be precisely moved relative to the first guide 201 along the first direction of the vibration simulator 100 by guiding and matching the second guide 202 with the first guide groove 207 and guiding and matching the first guide 201 with the second guide groove 208, so that the second guide 202 may drive the fixing base 30 to move in the first direction of the vibration simulator 100.

Moreover, the first guide shaft 204 can pass through the second guide member 202, and the second guide member 202 can move along the extending direction of the first guide shaft 204, that is, the second guide member 202 can move along the up-down direction in fig. 2, so that the stability of the second guide member 202 moving relative to the first guide member 201 can be further improved through the guiding fit of the second guide member 202 and the first guide shaft 204, and the inaccurate performance test result of the device to be tested caused by the deviation of the second guide member 202 moving relative to the first guide member 201 can be avoided as much as possible.

Meanwhile, the first elastic element 203 is sleeved outside the first guide shaft 204, and the first elastic element 203 is disposed between the first guide 201 and the second guide 202, and the first elastic element 203 is adapted to generate a reverse driving force when the fixing base 30 moves along the first direction relative to the supporting base 10. Preferably, the first elastic member 203 may be a coil spring, one end of the coil spring may be fixed to an inner wall of the first guide groove 207, the other end of the coil spring may be fixed to the second guide member 202, when the second guide member 202 moves toward the first elastic member 203, the second guide member 202 and the first guide member 201 may press the first elastic member 203 together, the first elastic member 203 may be pressed to generate an elastic force, the elastic force may act on the second guide member 202, and the elastic force may drive the second guide member 202 to move in a direction away from the first elastic member 203, so that the second guide member 202 may be moved.

When the second guide 202 moves away from the first elastic member 203, the second guide 202 and the first guide 201 may jointly stretch the first elastic member 203, the first elastic member 203 may be pulled to generate an elastic force, the elastic force may act on the second guide 202, and the elastic force may drive the second guide 202 to move toward the direction close to the first elastic member 203, so that the second guide 202 may be moved to change the movement direction. Thus, the vibration simulation device 100 can simulate a vibration environment in the vertical direction of fig. 2 by causing the first elastic member 203 to drive the second guide 202 to reciprocate in the first direction of the vibration simulation device 100.

In some embodiments of the present invention, as shown in fig. 2-4, the vibration simulation device 100 may further include: the first driving assembly 40, the first driving assembly 40 is adapted to drive the fixing seat 30 to move along a first direction relative to the supporting seat 10. By driving the fixing base 30 to move along the first direction of the vibration simulation apparatus 100 by the first driving assembly 40, the fixing base 30 can have an initial speed along the first direction of the vibration simulation apparatus 100 by the first driving assembly 40, so that the fixing base 30 can drive the second guiding element 202 to move towards or away from the first elastic element 203, and the first elastic element 203 can generate an elastic force.

Further, as shown in fig. 4, the first driving assembly 40 includes a first driving member 401, a first driving cam 402 and a first roller 403, wherein the first driving member 401 may be configured as a first motor, one of the first driving member 401 and the first roller 403 may be disposed on the supporting seat 10, and the other of the first driving member 401 and the first roller 403 may be disposed on the fixing seat 30, for example, as shown in fig. 4, the first driving member 401 is disposed on the supporting seat 10 and the first roller 403 is disposed on the fixing seat 30, or in some other specific embodiments, the first roller 403 is disposed on the supporting seat 10 and the first driving member 401 is disposed on the fixing seat 30. The first driving member 401 is connected to the first driving cam 402 and adapted to drive the first driving cam 402 to rotate, specifically, an output end of the first motor is connected to the first driving cam 402, the first driving cam 402 can rotate around a first rotation axis, and the first driving cam 402 is adapted to stop against the first roller 403 to drive the fixing base 30 to move along the first direction.

When the protruding portion of the first driving cam 402 rotates from a side far from the first roller 403 to a side near the first roller 403, the first driving cam 402 abuts against the first roller 403, and a distance between an edge of the first roller 403 and the first rotation axis is smaller than a distance between the first rotation axis and an edge of the protruding portion of the first driving cam 402, so that after the first driving cam 402 abuts against the first roller 403, the first driving cam 402 can push the first roller 403 to move towards a direction far from the supporting seat 10, the first roller 403 can drive the fixing seat 30 to move towards a direction far from the supporting seat 10, and when the fixing seat 30 moves, the second guiding element 202 can be driven to move so that the first elastic element 203 generates an elastic force.

Further, when the protrusion of the first driving cam 402 rotates from the side close to the first roller 403 to the side away from the first roller 403, the first driving cam 402 is separated from the first roller 403, and the distance between the edge of the first roller 403 and the first rotation axis is smaller than the base radius of the first driving cam 402, so that after the first driving cam 402 is separated from the first roller 403, a gap exists between the first driving cam 402 and the first roller 403, the elastic force generated by the first elastic member 203 can act on the second guide member 202, and the elastic force can make the second guide member 202 reciprocate in the first direction of the vibration simulation apparatus 100, so that the fixing base 30 can simulate the vibration environment along the first direction of the vibration simulation apparatus 100. In addition, the first roller 403 is not in contact with the first driving cam 402 during the reciprocating motion of the fixed seat 30, so that the limitation of the simulated vibration of the fixed seat 30 caused by the interference between the first driving cam 402 and the first roller 403 can be avoided.

It should be noted that, when the first driving assembly 40 is disposed between the fixing seat 30 and the supporting seat 10, the supporting seat 10 may be provided with an avoiding hole 102, and the avoiding hole 102 may avoid the first driving cam 402, so as to avoid the first driving cam 402 from interfering with the supporting seat 10. In addition, the first driving cam 402 may be provided in plural, so that the bearing capacity of the first driving cam 402 may be improved, and the first driving cam 402 may smoothly drive the fixing base 30 to move along the first direction of the vibration simulation apparatus 100.

In some embodiments of the present invention, as shown in fig. 5, the vibration simulation mechanism 20 further includes a third guiding element 205 and a second elastic element 206, the second guiding element 202 is provided with a second guiding shaft 209, the second guiding shaft 209 extends along the second direction, the third guiding element 205 is connected with the fixing base 30, and the third guiding element 205 is in guiding fit with the second guiding shaft 209. Specifically, the second guide shaft 209 may pass through the third guide 205, and the third guide 205 may move along the extending direction of the second guide shaft 209, that is, the third guide 205 may move along the front-back direction in fig. 2, so that the third guide 205 may accurately move along the second direction of the vibration simulator 100 relative to the second guide 202 through the guiding engagement of the third guide 205 and the second guide shaft 209, and further, the third guide 205 may drive the fixing base 30 to move in the second direction of the vibration simulator 100.

Moreover, the second elastic element 206 is sleeved outside the second guide shaft 209, the second elastic element 206 is disposed between the second guide element 202 and the third guide element 205, and the second elastic element 206 is suitable for generating a reverse driving force when the fixing base 30 moves along the second direction relative to the supporting base 10. Preferably, the second elastic member 206 may be a coil spring, one end of the coil spring may be fixed to an inner wall of the second guide groove 208, the other end of the coil spring may be fixed to the third guide 205, further, the second elastic member 206 may be provided in two, one of the second elastic members 206 may be near a front side of a partial structure of the third guide 205 in guiding engagement with the second guide shaft 209, the other second elastic member 206 may be near a rear side of the partial structure of the third guide 205 in guiding engagement with the second guide shaft 209, when the third guide 205 moves forward in the front-rear direction in fig. 2, the third guide 205 and the second guide 202 may press the second elastic member 206 located at the front side of the third guide 205 together, and the third guide 205 and the second guide 202 may stretch the second elastic member 206 located at the rear side of the third guide 205 together, both the second elastic members 206 may generate elastic force, and the elastic force may drive the third guide 205 to move forward and backward in fig. 2, thereby converting the third guide 205 into the front-rear direction.

Meanwhile, when the third guide 205 moves backward in the front-rear direction in fig. 2, the third guide 205 and the second guide 202 may press the second elastic member 206 located at the rear side of the third guide 205 together, and the third guide 205 and the second guide 202 may stretch the second elastic member 206 located at the front side of the third guide 205 together, and both the second elastic members 206 may generate elastic force that may drive the third guide 205 to move forward in the front-rear direction in fig. 2, so that the third guide 205 may be changed in the movement direction. Thus, by causing the second elastic member 206 to drive the third guide 205 to reciprocate in the second direction of the vibration simulation device 100, the vibration simulation device 100 can be made to simulate a vibration environment in the front-rear direction of fig. 2.

In some embodiments of the present invention, as shown in fig. 2 and 3, the vibration simulator 100 may further include: and the second driving assembly 50, the second driving assembly 50 is adapted to drive the fixed seat 30 to move along the second direction relative to the supporting seat 10. By driving the fixing base 30 to move along the second direction of the vibration simulation apparatus 100 by the second driving assembly 50, the fixing base 30 can have an initial speed along the second direction of the vibration simulation apparatus 100 by the second driving assembly 50, so that the fixing base 30 can drive the third guiding element 205 to move along the second direction of the vibration simulation apparatus 100, and the second elastic element 206 can generate an elastic force.

Further, as shown in fig. 3, the second driving assembly 50 includes a second driving member 501, a second driving cam 502 and a second roller 503, and preferably, the second driving member 501 may be configured as a second motor. One of the second driving element 501 and the second roller 503 may be disposed on the supporting base 10, and the other of the second driving element 501 and the first roller 403 may be disposed on the fixing base 30, for example, as shown in fig. 3, the second driving element 501 is disposed on the supporting base 10, and the second roller 503 is disposed on the fixing base 30, or in other specific embodiments, the second roller 503 is disposed on the supporting base 10, and the second driving element 501 is disposed on the fixing base 30. The second driving member 501 is connected to the second driving cam 502 and adapted to drive the second driving cam 502 to rotate, specifically, an output end of the second motor is connected to the second driving cam 502, the second driving cam 502 can rotate around a second rotation axis, and the second driving cam 502 is adapted to stop against the second roller 503 to drive the fixing base 30 to move along the second direction.

When the protruding portion of the second driving cam 502 rotates from the two sides far away from the second roller 503 to the one side near the second roller 503, the second driving cam 502 abuts against the second roller 503, and the distance between the edge of the second roller 503 and the second rotation axis is smaller than the distance between the second rotation axis and the edge of the protruding portion of the second driving cam 502, so that after the second driving cam 502 abuts against the second roller 503, the second driving cam 502 can push the second roller 503 to move towards the direction far away from the second driving member 501, and then the second roller 503 can drive the fixing base 30 to move towards the direction far away from the second driving member 501, and when the fixing base 30 moves, the second guiding member 202 can be driven to move so that the second elastic member 206 generates elastic force.

Further, when the protruding portion of the second driving cam 502 rotates from the side close to the second roller 503 to the side away from the second roller 503, the second driving cam 502 is separated from the second roller 503, and the distance between the edge of the second roller 503 and the second rotation axis is smaller than the base radius of the second driving cam 502, so that after the second driving cam 502 is separated from the second roller 503, a gap exists between the second driving cam 502 and the second roller 503, the elastic force generated by the second elastic member 206 can act on the third guide 205, and the elastic force can make the third guide 205 reciprocate in the second direction of the vibration simulation apparatus 100, so that the fixing base 30 can simulate a vibration environment along the second direction of the vibration simulation apparatus 100. In addition, the second roller 503 is not in contact with the second driving cam 502 during the reciprocating motion of the fixed seat 30, so that the limitation of the simulated vibration of the fixed seat 30 caused by the interference of the second driving cam 502 and the second roller 503 can be avoided.

In some embodiments of the present invention, as shown in fig. 1, the vibration simulator 100 may further include: and the controller 60 is in communication connection with the first driving assembly 40 and the second driving assembly 50 so as to control the first driving assembly 40 and the second driving assembly 50 to work. The controller 60 may be connected to the first driving element 401 of the first driving assembly 40 and the second driving element 501 of the second driving assembly 50, and the controller 60 may control the first driving element 401 and the second driving element 501 to work independently, so that the first driving element 401 and the second driving element 501 may drive the fixing base 30 to move in the first direction and/or the second direction of the vibration simulation apparatus 100, and the vibration provided by the vibration simulation apparatus 100 for the device to be tested may meet the test requirement of the device to be tested, thereby making the performance test result of the device to be tested more accurate.

Further, as shown in fig. 6, the controller 60 includes a first relay 601 and a first control circuit 602, the first relay 601 is connected to both the first driving member 401 of the first driving assembly 40 and the first control circuit 602, and when the first control circuit 602 is triggered, the first relay 601 is closed to enable the controller 60 to supply power to the first driving member 401. Specifically, the first relay 601 may be instantaneously closed and opened with a delay, the first relay 601 may be connected to the main power supply circuit, and when the first relay 601 is closed, the first relay 601 may communicate the first driver 401 and the main power supply circuit, and the main power supply circuit may supply power to the first driver 401, so that the first driver 401 may be operated according to the delay-opened time period of the first relay 601 to drive the fixing base 30 to move in the first direction of the vibration simulation apparatus 100.

The first control circuit 602 may include a first switch 605, a first relay coil 606 and a first auxiliary normally open contact 607, wherein the first switch 605 is connected in series with the first relay coil 606, the first switch 605 is connected in parallel with the first auxiliary normally open contact 607, when the operator presses and triggers the first switch 605, the first auxiliary normally open contact 607 may be closed, the first auxiliary normally open contact 607 may enable current to be supplied to the first relay coil 606, and the first relay coil 606 may control the first relay 601 to be closed, so that the first relay 601 may communicate the first driving member 401 and the main power supply circuit. When the energization time of the first auxiliary normally-open contact 607 is longer than the delay time of the first auxiliary normally-open contact 607, the first auxiliary normally-open contact 607 is disconnected, the first relay coil 606 is powered off, so that the first relay 601 is disconnected, the first relay 601 can block the first driving part 401 and the main power supply circuit, and the first driving part 401 no longer drives the fixing base 30 to move along the first direction of the vibration simulation device 100.

Further, as shown in fig. 6, the controller 60 includes a second relay 603 and a second control circuit 604, the second relay 603 is connected to both the second driving member 501 and the second control circuit 604 of the second driving assembly 50, and when the second control circuit 604 is triggered, the second relay 603 is closed to enable the controller 60 to supply power to the second driving member 501. Specifically, the second relay 603 may be instantaneously closed and delayed to be opened, the second relay 603 may be connected to the main power supply circuit, and when the second relay 603 is closed, the second relay 603 may communicate the second driving member 501 and the main power supply circuit, and the main power supply circuit may supply power to the second driving member 501, so that the second driving member 501 may operate according to the delayed opening period of the second relay 603 to drive the fixing base 30 to move in the second direction of the vibration simulation apparatus 100.

The second control circuit 604 may include a second switch 608, a second relay coil 609, and a second auxiliary normally open contact 610, wherein the second switch 608 is connected in series with the second relay coil 609, the second switch 608 is connected in parallel with the second auxiliary normally open contact 610, when the operator presses the second switch 608, the second auxiliary normally open contact 610 may be closed, the second auxiliary normally open contact 610 may enable current to be supplied to the second relay coil 609, and the second relay coil 609 may control the second relay 603 to be closed, so that the second relay 603 may communicate the second driver 501 and the main power supply circuit. When the power-on duration of the second auxiliary normally open contact 610 is longer than the delay duration of the second auxiliary normally open contact 610, the second auxiliary normally open contact 610 is disconnected, the second relay coil 609 is powered off, so that the second relay 603 is disconnected, the second relay 603 can block the second driving member 501 and the main power supply circuit, and the second driving member 501 no longer drives the fixing base 30 to move along the first direction of the vibration simulation device 100.

In addition, the first relay 601 and the second relay 603, and the first control circuit 602 and the second control circuit 604 are connected in parallel, so that the first driving member 401 and the second driving member 501 can operate independently, and the fixing base 30 can move only along the first direction of the vibration simulator 100, only along the second direction of the vibration simulator 100, or along both the first direction and the second direction of the vibration simulator 100, so that the simulated vibration directions of the vibration simulator 100 can be diversified, and the product quality of the vibration simulator 100 can be improved.

According to some specific embodiments of the present invention, when the distance between the fixing base 30 and the first driving member 401 and/or the distance between the fixing base 30 and the vibration simulation mechanism 20 is far away, the connecting plate 301 may be connected between the fixing base 30 and the first driving member 401 and/or between the fixing base 30 and the vibration simulation mechanism 20, the connecting plate 301 may transmit displacement between the fixing base 30 and the first driving member 401 and/or between the fixing base 30 and the vibration simulation mechanism 20, so that the fixing base 30 and the first driving member 401, the fixing base 30 and the vibration simulation mechanism 20 indirectly contact, the first driving member 401 may drive the fixing base 30 to move through the connecting plate 301, and the vibration simulation mechanism 20 may drive the fixing base 30 to move through the connecting plate 301.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

In the description of the present invention, "a plurality" means two or more.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vibration simulating apparatus comprising:

a supporting seat;

the vibration simulation mechanism is arranged on the surface of the supporting seat;

the fixed seat is suitable for fixing equipment to be tested and movably mounted on the vibration simulation mechanism so that the fixed seat can move relative to the supporting seat along a first direction and a second direction of the vibration simulation device, wherein the first direction is vertical to the second direction.

2. A vibration simulating assembly according to claim 1 wherein the vibration simulating mechanism is adapted to generate a driving force to drive the mount to move relative to the support mount when the mount is moved in the first direction and/or when the mount is moved in the second direction.

3. The vibration simulating assembly according to claim 2 wherein the vibration simulating mechanism includes a first guide member, a second guide member and a first resilient member, the first guide member having a first guide axis extending in the first direction, the second guide member being connected to the mount and the second guide member being in guiding engagement with both the first guide member and the first guide axis;

the first elastic piece is sleeved outside the first guide shaft, the first elastic piece is arranged between the first guide piece and the second guide piece, and the first elastic piece is suitable for generating reverse driving force when the fixed seat moves relative to the supporting seat along the first direction.

4. The vibration simulator of claim 1, further comprising: the first driving assembly is suitable for driving the fixed seat to move along the first direction relative to the supporting seat.

5. The vibration simulator of claim 4, wherein the first driving assembly comprises a first driving member, a first driving cam and a first roller, one of the first driving member and the first roller is disposed on the supporting base, the other of the first driving member and the first roller is disposed on the fixing base, the first driving member is connected to the first driving cam and adapted to drive the first driving cam to rotate, and the first driving cam is adapted to abut against the first roller to drive the fixing base to move along the first direction.

6. The vibration simulating assembly of claim 3 wherein the vibration simulating mechanism further includes a third guide member and a second resilient member, the second guide member having a second guide axis extending in the second direction, the third guide member being connected to the mount and being in guiding engagement with the second guide axis;

the second elastic piece is sleeved on the outer side of the second guide shaft, the second elastic piece is arranged between the second guide piece and the third guide piece, and the second elastic piece is suitable for generating reverse driving force when the fixed seat moves relative to the supporting seat along the second direction.

7. The vibration simulator of claim 1, further comprising: the second driving assembly is suitable for driving the fixed seat to move along the second direction relative to the supporting seat.

8. The vibration simulator of claim 7, wherein said second driving assembly comprises a second driving member, a second driving cam and a second roller, one of said second driving member and said second roller is disposed on said supporting base, and the other of said second driving member and said second roller is disposed on said fixing base, said second driving member is connected to said second driving cam and adapted to drive said second driving cam to rotate, said second driving cam is adapted to abut against said second roller to drive said fixing base to move along said second direction.

9. The vibration simulating assembly of claim 1 further comprising: the first driving assembly is suitable for driving the fixing seat to move relative to the supporting seat along the first direction, the second driving assembly is suitable for driving the fixing seat to move relative to the supporting seat along the second direction, and the controller is in communication connection with the first driving assembly and the second driving assembly to control the first driving assembly and the second driving assembly to work.

10. A vibration simulating assembly according to claim 9 wherein the controller includes a first relay, a first control circuit, a second relay and a second control circuit, the first relay being connected to both the first driver of the first drive assembly and the first control circuit, the first relay being closed when the first control circuit is triggered to cause the controller to supply power to the first driver;

the second relay is connected with a second driving piece of the second driving assembly and the second control circuit, and when the second control circuit is triggered, the second relay is closed to enable the controller to supply power to the second driving piece.

Images