CN212959677U - Safety structure matched with vibration damping piece and compressor - Google Patents
Safety structure matched with vibration damping piece and compressor Download PDFInfo
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- CN212959677U CN212959677U CN202020694184.7U CN202020694184U CN212959677U CN 212959677 U CN212959677 U CN 212959677U CN 202020694184 U CN202020694184 U CN 202020694184U CN 212959677 U CN212959677 U CN 212959677U
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Abstract
The utility model provides a with damping piece complex safety structure and compressor relates to compressor technical field, has solved and has adopted rubber class damping piece to connect compressor and sports equipment usually among the prior art, and lacks the technical problem that is used for carrying out the safety structure who protects damping piece and compressor. The device comprises a safety structure part, wherein a support on the equipment to be supported is supported on the base through a vibration damping part, the safety structure part is connected with the base and is used for limiting the shaking range of the equipment to be supported. The utility model is used for improve the security of compressor, improve the life of damping piece.
Description
Technical Field
The utility model belongs to the technical field of the compressor technique and specifically relates to a with damping piece complex safety structure and compressor.
Background
At present, a compressor is installed on a moving device in the industry, and most of the compressor is installed by adopting a rubber part such as a vibration damping part, so that the vibration transmitted to the compressor by the moving device can be effectively reduced, and the normal work of the compressor can be further favorably ensured. However, the rubber part is used for installation to replace the original rigid connection, so that the connection safety is reduced to a certain extent, because the tensile strength of the rubber part is lower than that of the metal part. Referring to the attached drawings of the specification, fig. 1-3 show that the compressor is mounted on the moving equipment (here, a fixed plate) in the industry, and most of the compressor is mounted by adopting a damping part (the damping part is a damping part bonded by metal and rubber), so that the vibration transmitted to the compressor by the moving equipment can be effectively reduced, and the normal operation of the compressor can be further favorably ensured.
In addition, by taking the vehicle-mounted compressor as an example, the national standard has a corresponding vibration resistance test, an accelerated life test during vehicle mounting is simulated, and the connection safety deficiency is amplified to a certain extent in consideration of the conditions of bumpy road sections and bad road conditions which the compressor faces along with the running of the vehicle and the simulated extreme conditions.
According to the above situation, if the vibration damping piece which is not suitable or qualified is used, the service life of the vibration damping piece is influenced in a high-strength vibration-resistant test and a vehicle-mounted installation use, so that the compressor cannot be fixed and violently shakes due to the breakage of rubber, the refrigeration of the air conditioning system is abnormal, and a driving safety event can even occur in a severe state.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a with damping piece complex safety structure and compressor, solved and adopted rubber class damping piece to connect compressor and sports equipment usually among the prior art, lacked the technical problem that is used for carrying out the safety structure who protects damping piece and compressor. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of with damping piece complex safety structure, including the safety structure spare, wherein, treat the support on the support equipment and pass through damping piece support on the base, the safety structure spare with the base is connected just the safety structure spare is used for the restriction treat the scope that the support equipment rocked.
Further, the safety structure comprises an upper limit part used for limiting the upward movement range of the support, and the upper limit part is positioned above the support and spaced from the support.
Further, the distance between the upper limit part and the bracket is h1The maximum axial elastic stretching amount of the damping piece is Ymax1The maximum axial plastic elongation of the damping element is Ymax2The compression amount of the damping piece under installation is delta h, wherein h1-△h≤Ymax1Or, Ymax1<h1-△h<Ymax2Or, h1-△h≥Ymax2(ii) a And when h is1-△h≤Ymax1When in use, the damping piece is protected in a normal use state; when Y ismax1<h1-△h<Ymax2In order to protect the vibration damping piece in a damaged but unbroken state; when h is generated1-△h≥Ymax2In this case, the damping member is protected in a broken state.
Further, the spacing of the upper limit part relative to the bracket is adjustable.
Further, the safety structure is inserted into a mounting hole on the bracket, and the diameter of a section of the safety structure inserted into the mounting hole is d1The diameter of the mounting hole is L1The maximum radial elastic deformation of the damping member is Xmax1Said damping memberHas a maximum plastic deformation in the radial direction of Xmax2Wherein, 0.5 × (L)1-d1)≤Xmax1Or, Xmax1＜0.5*(L1-d1)<Xmax2Or, 0.5 × (L)1-d1)≥Xmax2(ii) a And when 0.5X (L)1-d1)≤Xmax1When in use, the damping piece is protected in a normal use state; when X is presentmax1＜0.5*(L1-d1)<Xmax2In order to protect the vibration damping piece in a damaged but unbroken state; when 0.5X (L)1-d1)≥Xmax2In this case, the damping member is protected in a broken state.
Further, the safety structure comprises a lower limiting part used for limiting the downward movement range of the support, and the lower limiting part is located below the support and spaced from the support.
Further, the distance between the lower limiting part and the bracket is h2The maximum axial elastic compression of the damping member is Zmax1The maximum axial plastic compression of the damping member is Zmax2The compression amount of the damping piece under installation is delta h, wherein h2+△h≤Zmax1Or, Zmax1<h2+△h<Zmax2Or, h2+△h≥Zmax2(ii) a And when h is2+△h≤Zmax1When in use, the damping piece is protected in a normal use state; when Z ismax1<h2+△h<Zmax2In order to protect the vibration damping piece when the vibration damping piece is damaged but not crushed; when h is generated2+△h≥Zmax2In this case, the vibration damping member is protected in a crushed state.
Further, the spacing of the lower retainer relative to the bracket is adjustable.
Furthermore, a sensor for detecting the position of the safety structure and the position of the support in real time is arranged on the safety structure, the sensor is connected with a detection feedback system, and the detection feedback system can process a signal value obtained from the sensor and compare the processed signal value with an initial value stored by the system so as to judge the safety state of the vibration damping piece and the equipment to be supported.
Furthermore, the sensor is arranged on the upper positioning part of the safety structure and is a first sensor, the first sensor is used for monitoring the distance between the upper positioning part and the bracket, and a signal value H obtained when a signal of the first sensor is processed1The initial value h of the distance between the upper limit part and the bracket stored by the system1Satisfy H1/h1<θ1It is determined unsafe, wherein θ1A reliability percentage value is stored for the system.
Further, the sensor is arranged on the lower limiting part of the safety structure and is a second sensor, the second sensor is used for monitoring the distance between the lower limiting part and the bracket, and when a signal value H obtained by processing the second sensor is processed2The initial value h of the distance between the lower limit part and the bracket stored by the system2Satisfy H2/h2<θ2It is determined unsafe, wherein θ2A reliability percentage value is stored for the system.
Further, the system storage value further includes a period T, and the processed signal value is an average value of Z signal values detected by the sensor in the period T
And the Z signal values are Z minimum values of all the signal values detected by the sensor in the period T; or, the processed signal value is the minimum value h of the N signal values detected by the sensor in the period Tmin。
Furthermore, the safety structure part comprises a jack part and a limiting part connected with the jack part, the jack part penetrates through the support and is connected with the base, the limiting part is arranged above and/or below the support, and the limiting part is detachably connected with the jack part.
Further, the supports are arranged on two sides of the bottom of the device to be supported, and at least one safety structure member is arranged on each support.
A safety structure matched with a vibration damping piece is arranged between a support and a base of the compressor.
The utility model provides a with damping piece complex safety structure, safety structure can restrict the scope that the compressor rocked, is favorable to improving the security of compressor and damping piece, and then avoids the compressor to produce acutely and rocks as far as possible, has solved and has adopted rubber class damping piece to connect compressor and sports equipment usually among the prior art, lacks the technical problem that is used for carrying out the safety structure who protects damping piece and compressor.
A safety structure is arranged between a support and a base of the compressor to increase protection of the compressor and improve safety.
The utility model discloses preferred technical scheme can also produce following technological effect at least:
the upper limit part is arranged and the space between the upper limit part and the bracket is limited, so that the vibration damping piece is prevented from being failed due to stretching as much as possible, and the vibration damping piece is prevented from being broken due to overlarge stretching amount as much as possible;
through setting up spacing portion down and the spacing between spacing portion and the support down of injecing, prevent as far as possible that damping spare from because of the compression inefficacy, avoid as far as possible damping spare because the compression volume is too big and appear the fracture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a bracket and a base of a compressor in the prior art;
FIG. 2 is a schematic front view of a bracket and a base of a compressor in the prior art;
FIG. 3 is a partial enlarged view A of FIG. 2;
fig. 4 is a schematic structural view illustrating a connection between a bracket and a base of a compressor according to an embodiment of the present invention (only an upper limit portion is disposed on a safety structure);
fig. 5 is a schematic front view of a connection between a bracket and a base of a compressor according to an embodiment of the present invention (only an upper limit portion is disposed on a safety structure);
fig. 6 is a schematic top view of a connection between a bracket and a base of a compressor according to an embodiment of the present invention (only an upper limit portion is provided on a safety structure);
fig. 7 is a left side view schematically illustrating a connection between a bracket and a base of a compressor according to an embodiment of the present invention (only an upper limit portion is provided on a safety structure);
fig. 8 is a schematic structural view illustrating a connection between a bracket and a base of a compressor according to an embodiment of the present invention (an upper limit portion and a lower limit portion are provided on a safety structure);
fig. 9 is a schematic front view of a connection between a bracket and a base of a compressor according to an embodiment of the present invention (an upper limit portion and a lower limit portion are provided on a safety structure);
fig. 10 is a schematic top view of a bracket and a base of a compressor according to an embodiment of the present invention (an upper limit portion and a lower limit portion are provided on a safety structure member);
fig. 11 is a left side view schematically illustrating a connection between a bracket and a base of a compressor according to an embodiment of the present invention (an upper limit portion and a lower limit portion are provided on a safety structure);
fig. 12 is a flow chart of monitoring feedback for detection by using the safety structure according to the present invention.
Figure 1-safety structure; 11-a limiting part; 111-upper limit portion; 112-a lower retainer; 12-a socket portion; 2-equipment to be supported; 3-a scaffold; 31-mounting holes; 4-a vibration damping member; 41-rubber; 42-a metal piece; 5-a sensor; 6-fixing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-12, the utility model provides a with damping piece complex safety structure, including safety structure 1, wherein, treat support 3 on the support equipment 2 and support on the base (fixed plate 6 shows the base in the picture) through damping piece 4, treat that support equipment 2 can be the compressor, safety structure 1 is connected with the base and safety structure 1 is used for restricting the scope of treating support equipment 2 and rocking. In the prior art, if an inappropriate or unqualified vibration damping piece 4 is used for the vibration damping piece 4 between the compressor and the support 3, and the degree of working conditions is relatively severe, the rubber position of the vibration damping piece 4 is possibly broken, or the metal and rubber bonding part of the vibration damping piece 4 is broken, so that the compressor cannot be fixed, severe shaking is generated, the refrigeration of an air conditioning system is abnormal, and a driving safety event (the compressor is a vehicle-mounted compressor) even occurs in severe cases; to above-mentioned potential safety hazard, the utility model provides a with damping piece complex safety structure, see fig. 4-11, safety structure spare 1 can restrict the scope that the compressor rocked, is favorable to improving the security of compressor and damping piece 4, and then avoids the compressor to produce acutely and rocks as far as possible.
As the embodiment of the present invention can be optionally implemented, the specific structure of the safety structure 1 can be as follows: referring to fig. 4 to 8, the safety structure 1 includes an upper positioning portion 111 for limiting the upward movement range of the bracket 3, and the upper positioning portion 111 is located above the bracket 3 and spaced from the bracket 3. For the upper limit part 111, the compressor is allowed to reasonably shake upwards under the action of the vibration damping piece 4, the vibration damping piece 4 is protected, the vibration damping piece 4 is prevented from being failed due to stretching as much as possible, and the vibration damping piece 4 is prevented from being broken due to overlarge stretching amount as much as possible; if the vibration damping piece 4 breaks, the limiting part 11 can limit the compressor to move continuously in the direction away from the fixing plate 6, so that the shaking range of the compressor can be limited, and the compressor is prevented from shaking violently.
As the embodiment of the present invention can be optionally implemented, considering that the working condition causes the deformation of the damping member, the following limitation can be made to the distance between the upper positioning portion 111 and the bracket 3: the distance between the upper limit part 111 and the bracket 3 is h1(h1As an initial value of the interval at the time of installation), the axial maximum elastic stretching amount of the damper 4 is Ymax1The maximum axial plastic elongation of the damping element 4 is Ymax2The compression amount of the damper 4 in the attached state is Δ h (the compression amount Δ h is the deformation amount of the damper 4 in the attached state compared with the non-attached state), where h is1-△h≤Ymax1Or, Ymax1<h1-△h<Ymax2Or, h1-△h≥Ymax2(ii) a And when h is1-△h≤Ymax1When the damping piece is used, the damping piece is protected in a normal use state, namely, the upper limit part 111 limits the movement of the damping piece 4 within the maximum elastic stretching amount in the axial direction so as to protect the damping piece 4; when Y ismax1<h1-△h<Ymax2In order to protect the vibration damping piece in a damaged but unbroken state; when h is generated1-△h≥Ymax2In order to protect the vibration damper in a broken state, the vibration damper 4 is allowed to have a short-term or instantaneous axial elongation greater than Y in the case of expanding the use range of the vibration damper 4max2To protect the vibration reduction member and the compressor.
As embodiment of the utility model provides an optional implementation mode, the interval of upper limit portion 111 for support 3 is adjustable, through the interval of adjusting upper limit portion 111 and support 3 to the realization is to the protection of damping piece 4 under different user state.
As the embodiment of the utility model provides an optional implementation mode, consider that the operating mode leads to the circumstances such as damping piece deflection, insert mounting hole 31 on safe structure spare 1The diameter of the section can be defined as follows: the safety structure 1 is inserted into the mounting hole 31 of the bracket 3, and the section of the safety structure 1 inserted into the mounting hole 31 has a diameter d1The diameter of the mounting hole 31 is L1The maximum radial elastic deformation of the damping part 4 is Xmax1The maximum radial plastic deformation of the damping part 4 is Xmax2Wherein, 0.5 × (L)1-d1)≤Xmax1Or, Xmax1＜0.5*(L1-d1)<Xmax2Or, 0.5 × (L)1-d1)≥Xmax2(ii) a And when 0.5X (L)1-d1)≤Xmax1When in use, the damping piece is protected in a normal use state; when X is presentmax1＜0.5*(L1-d1)<Xmax2In order to protect the vibration damping piece in a damaged but unbroken state; when 0.5X (L)1-d1)≥Xmax2In this case, the damping member is protected in a broken state.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 8-11, the safety structure 1 includes a lower limiting portion 112 for limiting the downward movement range of the support 3, the lower limiting portion 112 is located below the support 3 and has a distance with the support 3, for the lower limiting portion 112, the compressor is allowed to reasonably shake downward under the effect of the vibration damping member 4, and has a protection effect on the vibration damping member 4, so as to avoid the vibration damping member 4 from failing due to compression as much as possible, and avoid the vibration damping member 4 from breaking due to too large compression amount as much as possible.
As an optional implementation manner of the embodiment of the present invention, the distance between the lower limiting portion 112 and the bracket 3 is h2(h2As an initial value of the pitch upon installation), the damping member 4 has an axial maximum elastic compression amount Zmax1The maximum axial plastic compression of the damping element 4 is Zmax2The compression amount of the damper 4 in the attached state is Δ h (the compression amount Δ h is the deformation amount of the damper 4 in the attached state compared with the non-attached state), where h is2+△h≤Zmax1Or, Zmax1<h2+△h<Zmax2Or, h2+△h≥Zmax2(ii) a And when h is2+△h≤Zmax1In the meantime, the purpose is to protect the vibration damping member in a normal use state, that is, the lower limit portion 112 limits the movement of the vibration damping member 4 within the maximum elastic compression amount in the axial direction, so as to protect the vibration damping member 4; when Z ismax1<h2+△h<Zmax2In order to protect the vibration damping piece when the vibration damping piece is damaged but not crushed; when h is generated2+△h≥Zmax2In the process, the vibration damper is protected in a crushing state so as to allow the vibration damper 4 to generate a short-term or instant axial compression amount larger than Z under the condition of expanding the use range of the vibration damper 4max2。
As the embodiment of the present invention can be optionally implemented, the distance between the lower limiting portion 112 and the bracket 3 is adjustable, and the damping member 4 is protected in different use states by adjusting the distance between the lower limiting portion 112 and the bracket 3.
As the embodiment of the utility model provides an optional embodiment, be provided with on the safety structure spare 1 and be used for the sensor 5 of real-time detection safety structure spare 1 and support 3 positions, sensor 5 is connected with detection feedback system, and detection feedback system can handle the signal value who obtains from sensor 5 to can contrast the initial value of signal value after handling and system storage, be used for judging the safe state of damping 4 and waiting to support equipment 2. Through the arrangement of the sensor and the detection feedback system, the conditions of the compressor and the vibration damping piece 4 can be monitored, so that the safety is improved.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 4-7, the upper limit portion 111 of the safety structure member 1 is provided with a sensor 5, and the sensor 5 is a first sensor, the first sensor may be a displacement sensor, the first sensor is used to monitor the distance between the upper limit portion 111 and the bracket 3, and a signal value H obtained when processing the signal of the first sensor1The initial value h of the distance between the upper limit part 111 and the bracket 3 stored by the system1Satisfy H1/h1<θ1If the judgment is unsafe, the vibration damping piece 4 is possibly damaged, and the judgment result is fed back to the user to remind the user; in addition, θ1Reliability for system storageFractional value of theta1The value range of (a) is more than 0 and less than 100%.
As the embodiment of the present invention can be optionally implemented, the lower limiting portion 112 of the safety structure member 1 is provided with the sensor 5, and the sensor 5 is a second sensor, the second sensor can be a displacement sensor, the second sensor is used to monitor the distance between the lower limiting portion 112 and the bracket 3, and the signal value H obtained when the second sensor is processed2The initial value h of the distance between the lower limit part 112 and the bracket 3 stored by the system2Satisfy H2/h2<θ2If the judgment is unsafe, the vibration damping piece 4 is possibly damaged, and the judgment result is fed back to the user to remind the user; in addition, θ2For the reliability percentage value, theta, stored by the system2The value range of (a) is more than 0 and less than 100%.
As an optional implementation manner of the embodiment of the present invention, for the processed signal value H, there is the following description: the system storage value further comprises a period T, and the processed signal value H is the average of Z signal values detected by the sensor 5 during the period T
The Z signal values are Z minimum values of all the signal values detected by the sensor 5 in the period T, and for the Z signal values, the Z signal values are partial signal values of all the signal values detected by the sensor 5 in the period T, that is, all the signal values detected by the sensor 5 in the period T are not averaged; or, the processed signal value h0For the minimum value h of the N signal values detected by the sensor 5 during the period TminThe nth signal value is all signal values detected by the sensor 5 during the period T.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 4-7, the safety structure 1 further includes a socket portion 12, the limiting portion 11 (upper limiting portion 111) is disposed at one end of the socket portion 12 and connected to the socket portion 12, the circumferential sides of the limiting portion 11 (upper limiting portion 111) and the socket portion 12 are cylindrical surfaces, the cross-sectional diameter of the socket portion 12 is smaller than the diameter of the mounting hole 31, and the cross-sectional diameter of the limiting portion 11 (upper limiting portion 111) is larger than the diameter of the mounting hole 31The diameter of dress hole 31, the one end that the spacing portion 11 is kept away from to jack portion 12 is fixed on the sports equipment, can be provided with the screw thread on jack portion 12 for realize the threaded connection with the base. The bracket 3 of the compressor is installed on the fixing plate 6 by connecting the two ends of the vibration damping piece 4 according to the original installation. Wherein, the bracket 3 is used for installing and connecting the compressor; the function of the damping member 4 is to insulate, retard combustion, and effectively reduce the vibration transmitted from the moving equipment to the compressor. Then, the safety structure member 1 is installed, when the safety structure member 1 is installed, the safety structure member 1 is inserted into the installation hole 31, then the safety structure member 1 is rotated to realize the threaded connection between the safety structure member 1 and the base, and meanwhile, the spacing value h between the limiting part 11 (the upper limiting part 111) and the support 3 is adjusted1May be limited to h1≤Ymax1Or Y ismax1≤h1<Ymax2Or, h1 ≧ Ymax2To (c) to (d); the spacing between the limiting part 11 (upper limiting part 111) and the bracket 3 can be adjusted, i.e. the two can be screwed together to adjust the required spacing value h1. For the axial distance R between the safety structure 1 and the damping element 41With the cross-sectional diameter r of the damping member1In relation to (A), (B), (C) and (C), R1>r1。
As an optional implementation manner of the embodiment of the present invention, referring to fig. 8-11, the safety structure member 1 includes a jack portion 12 and a limiting portion 11 connected to the jack portion 12, the jack portion 12 passes through the bracket 3 and is connected to the base, preferably, the limiting portion 11 is disposed above and below the bracket 3 (or the limiting portion may be disposed below the bracket 3), the cross-sectional diameter of the jack portion 12 is smaller than the diameter of the mounting hole 31, the cross-sectional diameter of the limiting portion 11 is larger than the diameter of the mounting hole 31, the limiting portion 11 is detachably connected to the jack portion 12, and the limiting portion 11 and the jack portion 12 may be in threaded connection. The stopper 11 provided above the holder 3 is an upper stopper 111, the stopper 11 provided below the holder 3 is a lower stopper 112, and the distance h between the upper stopper 111 and the holder 3 is the same as the distance h between the upper stopper 111 and the holder 31May be limited to h1≤Ymax1Or Y ismax1≤h1<Ymax2Or, h1 ≧ Ymax2To (c) to (d); corresponding to the distance h between the lower limiting part 112 and the bracket 32Can limitIs fixed at h2≤Zmax1Or, Zmax1<h2<Zmax2Or, h2≥Zmax2。
As the embodiment of the utility model provides an optional embodiment, the bottom both sides of treating support device 2 all are provided with support 3, are provided with at least one safety structure 1 on every support 3. Referring to fig. 4-11, it is shown that two safety structure members 1 are provided on each bracket 3, and two safety structure members 1 are located between the respective two damping members 4.
A safety structure matched with a vibration damping piece 4 is arranged between a support 3 and a base of the compressor to increase the protection to the compressor and improve the safety. Referring to fig. 3 to 7, the safety structure member 1 including the upper limit portion 111 is installed between the bracket 3 and the base of the compressor, and the distance between the upper limit portion 111 and the bracket 3 is defined differently, so that the vibration damping member 4 can be effectively prevented from being failed due to stretching, the vibration damping member 4 can be prevented from being broken due to too large stretching amount, the upward shaking range of the compressor is limited, and the radial deformation of the vibration damping member 4 by the safety structure member 1 can be limited; referring to fig. 8 to 11, it is illustrated that the safety structure 1 including the upper limit portion 111 and the lower limit portion 112 is installed between the bracket 3 and the base of the compressor, so as to protect not only the extension of the vibration damping member 4, but also the compression of the vibration damping member 4, and to limit the shaking range of the compressor.
A monitoring feedback method for detection by using a safety structure comprises the following steps of monitoring the position relation of a safety structure member 1 and a support 3, and judging the safety states of a vibration damping member 4 and equipment to be supported 2, wherein the equipment to be supported 2 can be a compressor. Namely, the distance value between the limiting part 11 of the safety structure member 1 and the bracket 3 can be monitored in real time, the detected distance value is processed and compared with the initial distance value between the limiting part 11 and the bracket 3 stored in the system, and the safety state of the compressor is judged.
Referring to fig. 12, the monitoring feedback method may specifically include the following,
starting a detection system, and inputting a parameter value period T and a reliability percentage theta;
the sensor 5 of the safety structure part 1 detects the spacing value hi between the limiting part 11 and the bracket 3 in real time;
processing the distance value hi in the period T to obtain a processed signal value H, and judging the relation between the H and the initial distance value H between the limiting part 11 and the bracket 3;
if H/H < theta, judging that the situation is unsafe, namely the compressor vibration damping piece is possibly damaged in the period T, feeding information back to a front-end operation interface, selecting whether to continue monitoring or not through manual processing, wherein the default of the system is to continue monitoring, if the manual processing is not carried out, the detection system is closed, and if the manual processing is not carried out, the system automatically enters the judgment of the relation between H and H obtained through calculation in the next period T;
if no Hh < theta exists, the calculation is returned to calculate the H value of the next period T, and then the relation between H and H is continuously judged.
Referring to fig. 8 to 11, taking the safety structure 1 provided with the upper limit portion 111 and the lower limit portion 112 as an example, after the compressor, the bracket 3, the vibration damper 4, the safety structure 1, and the base are assembled, the initial value h of the distance between the upper limit portion 111 and the bracket 3 measured by the sensor 5 (first sensor) on the upper limit portion 111 at this time is the initial value h1The lower limit measured by the sensor 5 (second sensor) on the lower limit portion 112 is an initial value h of the distance between the portion 112 and the holder 32Wherein h is1Preferably in the value range of Ymax1<h1-△h<Ymax2Or, h1-△h≥Ymax2；h2Preferably in the range of Zmax1<h2+△h<Zmax2Or, h2+△h≥Zmax2。
For the processed signal value H, the processed signal value H is the average value of Z signal values detected by the sensor 5 in the period T
And the Z signal values are Z minimum values of all signal values detected by the sensor 5 in the period T, or the processed signal value h0For the sensor 5 during the period TMinimum h of detected N signal valuesmin。
For the reliability percentage θ, may be 0<θ<Value in 100%, reliability percentage θ corresponding to the upper limit portion 1111(ii) a The lower limit portion 112 corresponds to a reliability percentage of θ2，θ1And theta2The same or different.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (14)
1. Safety structure cooperating with a damping element, characterised in that it comprises a safety structure (1) in which,
the support (3) on the equipment (2) to be supported is supported on the base through a vibration reduction piece (4), the safety structure piece (1) is connected with the base, and the safety structure piece (1) is used for limiting the shaking range of the equipment (2) to be supported.
2. Safety structure cooperating with a damping element according to claim 1, characterized in that the safety structure (1) comprises an upper stop (111) for limiting the upward movement of the carrier (3), the upper stop (111) being located above the carrier (3) and spaced from the carrier (3).
3. Safety structure associated with a shock-absorbing element, according to claim 2, characterized in that the upper limit (111) and the bracket (3) are spaced apart by a distance h1The maximum axial elastic stretching amount of the vibration damping piece (4) is Ymax1The maximum plastic elongation in the axial direction of the damping element (4) is Ymax2The compression amount of the damping piece (4) under installation is△h, wherein,
h1-△h≤Ymax1or, Ymax1＜h1-△h＜Ymax2Or, h1-△h≥Ymax2；
And when h is1-△h≤Ymax1When in use, the damping piece is protected in a normal use state;
when Y ismax1＜h1-△h＜Ymax2In order to protect the vibration damping piece in a damaged but unbroken state;
when h is generated1-△h≥Ymax2In this case, the damping member is protected in a broken state.
4. Safety structure cooperating with a damping member according to claim 2, characterised in that the spacing of the upper limit stop (111) with respect to the bracket (3) is adjustable.
5. Safety structure cooperating with a shock absorber according to claim 2, characterized in that the safety structure (1) is inserted into a mounting hole (31) in the bracket (3) and that the section of the safety structure (1) inserted into the mounting hole (31) has a diameter d1The diameter of the mounting hole (31) is L1The maximum radial elastic deformation of the damping part (4) is Xmax1The maximum radial plastic deformation of the damping part (4) is Xmax2Wherein, in the step (A),
0.5*(L1-d1)≤Xmax1or, Xmax1＜0.5*(L1-d1)＜Xmax2Or, 0.5 × (L)1-d1)≥Xmax2；
And when 0.5X (L)1-d1)≤Xmax1When in use, the damping piece is protected in a normal use state;
when X is presentmax1＜0.5*(L1-d1)＜Xmax2In order to protect the vibration damping piece in a damaged but unbroken state;
when 0.5X (L)1-d1)≥Xmax2In this case, the damping member is protected in a broken state.
6. Safety structure cooperating with a damping element according to claim 1, characterized in that the safety structure (1) comprises a lower stop (112) for limiting the downward movement of the bracket (3), the lower stop (112) being located below the bracket (3) and spaced from the bracket (3).
7. Safety structure associated with a shock absorber according to claim 6, characterized in that the distance between the lower limit portion (112) and the bracket (3) is h2The maximum axial elastic compression of the damping element (4) is Zmax1The maximum plastic compression of the damping element (4) in the axial direction is Zmax2The compression amount of the damping piece (4) under installation is△h, wherein,
h2+△h≤Zmax1or, Zmax1＜h2+△h＜Zmax2Or, h2+△h≥Zmax2；
And when h is2+△h≤Zmax1When in use, the damping piece is protected in a normal use state;
when Z ismax1＜h2+△h＜Zmax2In order to protect the vibration damping piece when the vibration damping piece is damaged but not crushed;
when h is generated2+△h≥Zmax2In this case, the vibration damping member is protected in a crushed state.
8. Safety structure cooperating with a damping member according to claim 6, characterised in that the spacing of the lower limit portion (112) with respect to the bracket (3) is adjustable.
9. Safety structure associated with a shock absorber according to any one of claims 1 to 8, characterized in that the safety structure (1) is provided with a sensor (5) for detecting in real time the position of the safety structure (1) and of the support (3), said sensor (5) being connected to a detection and feedback system capable of processing the signal values obtained from said sensor (5) and comparing the processed signal values with initial values stored in the system for determining the safety status of the shock absorber (4) and of the equipment to be supported (2).
10. A safety arrangement in cooperation with a damping member according to claim 9, wherein the sensor (5) is arranged on the upper positioning portion (111) of the safety structure (1) and the sensor (5) is a first sensor for monitoring the distance between the upper positioning portion (111) and the bracket (3), and wherein a signal value H obtained when processing a signal of the first sensor1The initial value h of the distance between the upper limit part (111) and the bracket (3) stored by the system1Satisfy H1/h1＜θ1It is determined unsafe, wherein θ1A reliability percentage value is stored for the system.
11. Safety structure in cooperation with a damping element according to claim 9, characterized in that the sensor (5) is arranged on the lower limit portion (112) of the safety structure (1) and the sensor (5) is a second sensor for monitoring the distance between the lower limit portion (112) and the bracket (3), and that the signal value H obtained when processing the second sensor is a value2The initial value h of the distance between the lower limit part (112) and the bracket (3) stored by the system2Satisfy H2/h2＜θ2It is determined unsafe, wherein θ2A reliability percentage value is stored for the system.
12. Safety structure in cooperation with a damping element according to any one of claims 1-8, characterized in that the safety structure (1) comprises a receptacle portion (12) and a limiting portion (11) connected to the receptacle portion (12), the receptacle portion (12) is connected to the base through the bracket (3), the limiting portion (11) is provided above and/or below the bracket (3), and the limiting portion (11) is detachably connected to the receptacle portion (12).
13. Safety structure cooperating with a shock absorber according to any of claims 1-8, characterized in that the brackets (3) are arranged on both sides of the bottom of the device (2) to be supported, at least one safety structure (1) being arranged on each bracket (3).
14. Compressor, characterized in that a safety structure cooperating with a damping element according to any of claims 1-13 is provided between the bracket (3) and the base of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694184.7U CN212959677U (en) | 2020-04-28 | 2020-04-28 | Safety structure matched with vibration damping piece and compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694184.7U CN212959677U (en) | 2020-04-28 | 2020-04-28 | Safety structure matched with vibration damping piece and compressor |
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| CN212959677U true CN212959677U (en) | 2021-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970068A (en) * | 2021-10-25 | 2022-01-25 | 珠海格力电器股份有限公司 | Spacing subassembly, base subassembly and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970068A (en) * | 2021-10-25 | 2022-01-25 | 珠海格力电器股份有限公司 | Spacing subassembly, base subassembly and compressor |
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